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dea3101e JB |
1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
d080abe0 JS |
4 | * Copyright (C) 2017 Broadcom. All Rights Reserved. The term * |
5 | * “Broadcom” refers to Broadcom Limited and/or its subsidiaries. * | |
50611577 | 6 | * Copyright (C) 2004-2016 Emulex. All rights reserved. * |
c44ce173 | 7 | * EMULEX and SLI are trademarks of Emulex. * |
d080abe0 | 8 | * www.broadcom.com * |
c44ce173 | 9 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e JB |
10 | * * |
11 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
12 | * modify it under the terms of version 2 of the GNU General * |
13 | * Public License as published by the Free Software Foundation. * | |
14 | * This program is distributed in the hope that it will be useful. * | |
15 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
16 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
17 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
18 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
19 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
20 | * more details, a copy of which can be found in the file COPYING * | |
21 | * included with this package. * | |
dea3101e JB |
22 | *******************************************************************/ |
23 | ||
dea3101e JB |
24 | #include <linux/blkdev.h> |
25 | #include <linux/delay.h> | |
26 | #include <linux/dma-mapping.h> | |
27 | #include <linux/idr.h> | |
28 | #include <linux/interrupt.h> | |
acf3368f | 29 | #include <linux/module.h> |
dea3101e JB |
30 | #include <linux/kthread.h> |
31 | #include <linux/pci.h> | |
32 | #include <linux/spinlock.h> | |
92d7f7b0 | 33 | #include <linux/ctype.h> |
0d878419 | 34 | #include <linux/aer.h> |
5a0e3ad6 | 35 | #include <linux/slab.h> |
52d52440 | 36 | #include <linux/firmware.h> |
3ef6d24c | 37 | #include <linux/miscdevice.h> |
7bb03bbf | 38 | #include <linux/percpu.h> |
895427bd | 39 | #include <linux/msi.h> |
286871a6 | 40 | #include <linux/bitops.h> |
dea3101e | 41 | |
91886523 | 42 | #include <scsi/scsi.h> |
dea3101e JB |
43 | #include <scsi/scsi_device.h> |
44 | #include <scsi/scsi_host.h> | |
45 | #include <scsi/scsi_transport_fc.h> | |
86c67379 JS |
46 | #include <scsi/scsi_tcq.h> |
47 | #include <scsi/fc/fc_fs.h> | |
48 | ||
49 | #include <linux/nvme-fc-driver.h> | |
dea3101e | 50 | |
da0436e9 | 51 | #include "lpfc_hw4.h" |
dea3101e JB |
52 | #include "lpfc_hw.h" |
53 | #include "lpfc_sli.h" | |
da0436e9 | 54 | #include "lpfc_sli4.h" |
ea2151b4 | 55 | #include "lpfc_nl.h" |
dea3101e | 56 | #include "lpfc_disc.h" |
dea3101e | 57 | #include "lpfc.h" |
895427bd JS |
58 | #include "lpfc_scsi.h" |
59 | #include "lpfc_nvme.h" | |
86c67379 | 60 | #include "lpfc_nvmet.h" |
dea3101e JB |
61 | #include "lpfc_logmsg.h" |
62 | #include "lpfc_crtn.h" | |
92d7f7b0 | 63 | #include "lpfc_vport.h" |
dea3101e | 64 | #include "lpfc_version.h" |
12f44457 | 65 | #include "lpfc_ids.h" |
dea3101e | 66 | |
81301a9b JS |
67 | char *_dump_buf_data; |
68 | unsigned long _dump_buf_data_order; | |
69 | char *_dump_buf_dif; | |
70 | unsigned long _dump_buf_dif_order; | |
71 | spinlock_t _dump_buf_lock; | |
72 | ||
7bb03bbf | 73 | /* Used when mapping IRQ vectors in a driver centric manner */ |
b246de17 JS |
74 | uint16_t *lpfc_used_cpu; |
75 | uint32_t lpfc_present_cpu; | |
7bb03bbf | 76 | |
dea3101e JB |
77 | static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *); |
78 | static int lpfc_post_rcv_buf(struct lpfc_hba *); | |
5350d872 | 79 | static int lpfc_sli4_queue_verify(struct lpfc_hba *); |
da0436e9 JS |
80 | static int lpfc_create_bootstrap_mbox(struct lpfc_hba *); |
81 | static int lpfc_setup_endian_order(struct lpfc_hba *); | |
da0436e9 | 82 | static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba *); |
8a9d2e80 | 83 | static void lpfc_free_els_sgl_list(struct lpfc_hba *); |
f358dd0c | 84 | static void lpfc_free_nvmet_sgl_list(struct lpfc_hba *); |
8a9d2e80 | 85 | static void lpfc_init_sgl_list(struct lpfc_hba *); |
da0436e9 JS |
86 | static int lpfc_init_active_sgl_array(struct lpfc_hba *); |
87 | static void lpfc_free_active_sgl(struct lpfc_hba *); | |
88 | static int lpfc_hba_down_post_s3(struct lpfc_hba *phba); | |
89 | static int lpfc_hba_down_post_s4(struct lpfc_hba *phba); | |
90 | static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba *); | |
91 | static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *); | |
92 | static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *); | |
618a5230 JS |
93 | static void lpfc_sli4_disable_intr(struct lpfc_hba *); |
94 | static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba *, uint32_t); | |
1ba981fd | 95 | static void lpfc_sli4_oas_verify(struct lpfc_hba *phba); |
dea3101e JB |
96 | |
97 | static struct scsi_transport_template *lpfc_transport_template = NULL; | |
92d7f7b0 | 98 | static struct scsi_transport_template *lpfc_vport_transport_template = NULL; |
dea3101e | 99 | static DEFINE_IDR(lpfc_hba_index); |
f358dd0c | 100 | #define LPFC_NVMET_BUF_POST 254 |
dea3101e | 101 | |
e59058c4 | 102 | /** |
3621a710 | 103 | * lpfc_config_port_prep - Perform lpfc initialization prior to config port |
e59058c4 JS |
104 | * @phba: pointer to lpfc hba data structure. |
105 | * | |
106 | * This routine will do LPFC initialization prior to issuing the CONFIG_PORT | |
107 | * mailbox command. It retrieves the revision information from the HBA and | |
108 | * collects the Vital Product Data (VPD) about the HBA for preparing the | |
109 | * configuration of the HBA. | |
110 | * | |
111 | * Return codes: | |
112 | * 0 - success. | |
113 | * -ERESTART - requests the SLI layer to reset the HBA and try again. | |
114 | * Any other value - indicates an error. | |
115 | **/ | |
dea3101e | 116 | int |
2e0fef85 | 117 | lpfc_config_port_prep(struct lpfc_hba *phba) |
dea3101e JB |
118 | { |
119 | lpfc_vpd_t *vp = &phba->vpd; | |
120 | int i = 0, rc; | |
121 | LPFC_MBOXQ_t *pmb; | |
122 | MAILBOX_t *mb; | |
123 | char *lpfc_vpd_data = NULL; | |
124 | uint16_t offset = 0; | |
125 | static char licensed[56] = | |
126 | "key unlock for use with gnu public licensed code only\0"; | |
65a29c16 | 127 | static int init_key = 1; |
dea3101e JB |
128 | |
129 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
130 | if (!pmb) { | |
2e0fef85 | 131 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
132 | return -ENOMEM; |
133 | } | |
134 | ||
04c68496 | 135 | mb = &pmb->u.mb; |
2e0fef85 | 136 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e JB |
137 | |
138 | if (lpfc_is_LC_HBA(phba->pcidev->device)) { | |
65a29c16 JS |
139 | if (init_key) { |
140 | uint32_t *ptext = (uint32_t *) licensed; | |
dea3101e | 141 | |
65a29c16 JS |
142 | for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) |
143 | *ptext = cpu_to_be32(*ptext); | |
144 | init_key = 0; | |
145 | } | |
dea3101e JB |
146 | |
147 | lpfc_read_nv(phba, pmb); | |
148 | memset((char*)mb->un.varRDnvp.rsvd3, 0, | |
149 | sizeof (mb->un.varRDnvp.rsvd3)); | |
150 | memcpy((char*)mb->un.varRDnvp.rsvd3, licensed, | |
151 | sizeof (licensed)); | |
152 | ||
153 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
154 | ||
155 | if (rc != MBX_SUCCESS) { | |
ed957684 | 156 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
e8b62011 | 157 | "0324 Config Port initialization " |
dea3101e JB |
158 | "error, mbxCmd x%x READ_NVPARM, " |
159 | "mbxStatus x%x\n", | |
dea3101e JB |
160 | mb->mbxCommand, mb->mbxStatus); |
161 | mempool_free(pmb, phba->mbox_mem_pool); | |
162 | return -ERESTART; | |
163 | } | |
164 | memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename, | |
2e0fef85 JS |
165 | sizeof(phba->wwnn)); |
166 | memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname, | |
167 | sizeof(phba->wwpn)); | |
dea3101e JB |
168 | } |
169 | ||
92d7f7b0 JS |
170 | phba->sli3_options = 0x0; |
171 | ||
dea3101e JB |
172 | /* Setup and issue mailbox READ REV command */ |
173 | lpfc_read_rev(phba, pmb); | |
174 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
175 | if (rc != MBX_SUCCESS) { | |
ed957684 | 176 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 177 | "0439 Adapter failed to init, mbxCmd x%x " |
dea3101e | 178 | "READ_REV, mbxStatus x%x\n", |
dea3101e JB |
179 | mb->mbxCommand, mb->mbxStatus); |
180 | mempool_free( pmb, phba->mbox_mem_pool); | |
181 | return -ERESTART; | |
182 | } | |
183 | ||
92d7f7b0 | 184 | |
1de933f3 JSEC |
185 | /* |
186 | * The value of rr must be 1 since the driver set the cv field to 1. | |
187 | * This setting requires the FW to set all revision fields. | |
dea3101e | 188 | */ |
1de933f3 | 189 | if (mb->un.varRdRev.rr == 0) { |
dea3101e | 190 | vp->rev.rBit = 0; |
1de933f3 | 191 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 JS |
192 | "0440 Adapter failed to init, READ_REV has " |
193 | "missing revision information.\n"); | |
dea3101e JB |
194 | mempool_free(pmb, phba->mbox_mem_pool); |
195 | return -ERESTART; | |
dea3101e JB |
196 | } |
197 | ||
495a714c JS |
198 | if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) { |
199 | mempool_free(pmb, phba->mbox_mem_pool); | |
ed957684 | 200 | return -EINVAL; |
495a714c | 201 | } |
ed957684 | 202 | |
dea3101e | 203 | /* Save information as VPD data */ |
1de933f3 | 204 | vp->rev.rBit = 1; |
92d7f7b0 | 205 | memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t)); |
1de933f3 JSEC |
206 | vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; |
207 | memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16); | |
208 | vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; | |
209 | memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16); | |
dea3101e JB |
210 | vp->rev.biuRev = mb->un.varRdRev.biuRev; |
211 | vp->rev.smRev = mb->un.varRdRev.smRev; | |
212 | vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; | |
213 | vp->rev.endecRev = mb->un.varRdRev.endecRev; | |
214 | vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; | |
215 | vp->rev.fcphLow = mb->un.varRdRev.fcphLow; | |
216 | vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; | |
217 | vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; | |
218 | vp->rev.postKernRev = mb->un.varRdRev.postKernRev; | |
219 | vp->rev.opFwRev = mb->un.varRdRev.opFwRev; | |
220 | ||
92d7f7b0 JS |
221 | /* If the sli feature level is less then 9, we must |
222 | * tear down all RPIs and VPIs on link down if NPIV | |
223 | * is enabled. | |
224 | */ | |
225 | if (vp->rev.feaLevelHigh < 9) | |
226 | phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN; | |
227 | ||
dea3101e JB |
228 | if (lpfc_is_LC_HBA(phba->pcidev->device)) |
229 | memcpy(phba->RandomData, (char *)&mb->un.varWords[24], | |
230 | sizeof (phba->RandomData)); | |
231 | ||
dea3101e | 232 | /* Get adapter VPD information */ |
dea3101e JB |
233 | lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); |
234 | if (!lpfc_vpd_data) | |
d7c255b2 | 235 | goto out_free_mbox; |
dea3101e | 236 | do { |
a0c87cbd | 237 | lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD); |
dea3101e JB |
238 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
239 | ||
240 | if (rc != MBX_SUCCESS) { | |
241 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 | 242 | "0441 VPD not present on adapter, " |
dea3101e | 243 | "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", |
dea3101e | 244 | mb->mbxCommand, mb->mbxStatus); |
74b72a59 | 245 | mb->un.varDmp.word_cnt = 0; |
dea3101e | 246 | } |
04c68496 JS |
247 | /* dump mem may return a zero when finished or we got a |
248 | * mailbox error, either way we are done. | |
249 | */ | |
250 | if (mb->un.varDmp.word_cnt == 0) | |
251 | break; | |
74b72a59 JW |
252 | if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset) |
253 | mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset; | |
d7c255b2 JS |
254 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, |
255 | lpfc_vpd_data + offset, | |
92d7f7b0 | 256 | mb->un.varDmp.word_cnt); |
dea3101e | 257 | offset += mb->un.varDmp.word_cnt; |
74b72a59 JW |
258 | } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE); |
259 | lpfc_parse_vpd(phba, lpfc_vpd_data, offset); | |
dea3101e JB |
260 | |
261 | kfree(lpfc_vpd_data); | |
dea3101e JB |
262 | out_free_mbox: |
263 | mempool_free(pmb, phba->mbox_mem_pool); | |
264 | return 0; | |
265 | } | |
266 | ||
e59058c4 | 267 | /** |
3621a710 | 268 | * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd |
e59058c4 JS |
269 | * @phba: pointer to lpfc hba data structure. |
270 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
271 | * | |
272 | * This is the completion handler for driver's configuring asynchronous event | |
273 | * mailbox command to the device. If the mailbox command returns successfully, | |
274 | * it will set internal async event support flag to 1; otherwise, it will | |
275 | * set internal async event support flag to 0. | |
276 | **/ | |
57127f15 JS |
277 | static void |
278 | lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
279 | { | |
04c68496 | 280 | if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS) |
57127f15 JS |
281 | phba->temp_sensor_support = 1; |
282 | else | |
283 | phba->temp_sensor_support = 0; | |
284 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
285 | return; | |
286 | } | |
287 | ||
97207482 | 288 | /** |
3621a710 | 289 | * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler |
97207482 JS |
290 | * @phba: pointer to lpfc hba data structure. |
291 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
292 | * | |
293 | * This is the completion handler for dump mailbox command for getting | |
294 | * wake up parameters. When this command complete, the response contain | |
295 | * Option rom version of the HBA. This function translate the version number | |
296 | * into a human readable string and store it in OptionROMVersion. | |
297 | **/ | |
298 | static void | |
299 | lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) | |
300 | { | |
301 | struct prog_id *prg; | |
302 | uint32_t prog_id_word; | |
303 | char dist = ' '; | |
304 | /* character array used for decoding dist type. */ | |
305 | char dist_char[] = "nabx"; | |
306 | ||
04c68496 | 307 | if (pmboxq->u.mb.mbxStatus != MBX_SUCCESS) { |
9f1e1b50 | 308 | mempool_free(pmboxq, phba->mbox_mem_pool); |
97207482 | 309 | return; |
9f1e1b50 | 310 | } |
97207482 JS |
311 | |
312 | prg = (struct prog_id *) &prog_id_word; | |
313 | ||
314 | /* word 7 contain option rom version */ | |
04c68496 | 315 | prog_id_word = pmboxq->u.mb.un.varWords[7]; |
97207482 JS |
316 | |
317 | /* Decode the Option rom version word to a readable string */ | |
318 | if (prg->dist < 4) | |
319 | dist = dist_char[prg->dist]; | |
320 | ||
321 | if ((prg->dist == 3) && (prg->num == 0)) | |
a2fc4aef | 322 | snprintf(phba->OptionROMVersion, 32, "%d.%d%d", |
97207482 JS |
323 | prg->ver, prg->rev, prg->lev); |
324 | else | |
a2fc4aef | 325 | snprintf(phba->OptionROMVersion, 32, "%d.%d%d%c%d", |
97207482 JS |
326 | prg->ver, prg->rev, prg->lev, |
327 | dist, prg->num); | |
9f1e1b50 | 328 | mempool_free(pmboxq, phba->mbox_mem_pool); |
97207482 JS |
329 | return; |
330 | } | |
331 | ||
0558056c JS |
332 | /** |
333 | * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname, | |
334 | * cfg_soft_wwnn, cfg_soft_wwpn | |
335 | * @vport: pointer to lpfc vport data structure. | |
336 | * | |
337 | * | |
338 | * Return codes | |
339 | * None. | |
340 | **/ | |
341 | void | |
342 | lpfc_update_vport_wwn(struct lpfc_vport *vport) | |
343 | { | |
aeb3c817 JS |
344 | uint8_t vvvl = vport->fc_sparam.cmn.valid_vendor_ver_level; |
345 | u32 *fawwpn_key = (u32 *)&vport->fc_sparam.un.vendorVersion[0]; | |
346 | ||
0558056c JS |
347 | /* If the soft name exists then update it using the service params */ |
348 | if (vport->phba->cfg_soft_wwnn) | |
349 | u64_to_wwn(vport->phba->cfg_soft_wwnn, | |
350 | vport->fc_sparam.nodeName.u.wwn); | |
351 | if (vport->phba->cfg_soft_wwpn) | |
352 | u64_to_wwn(vport->phba->cfg_soft_wwpn, | |
353 | vport->fc_sparam.portName.u.wwn); | |
354 | ||
355 | /* | |
356 | * If the name is empty or there exists a soft name | |
357 | * then copy the service params name, otherwise use the fc name | |
358 | */ | |
359 | if (vport->fc_nodename.u.wwn[0] == 0 || vport->phba->cfg_soft_wwnn) | |
360 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, | |
361 | sizeof(struct lpfc_name)); | |
362 | else | |
363 | memcpy(&vport->fc_sparam.nodeName, &vport->fc_nodename, | |
364 | sizeof(struct lpfc_name)); | |
365 | ||
aeb3c817 JS |
366 | /* |
367 | * If the port name has changed, then set the Param changes flag | |
368 | * to unreg the login | |
369 | */ | |
370 | if (vport->fc_portname.u.wwn[0] != 0 && | |
371 | memcmp(&vport->fc_portname, &vport->fc_sparam.portName, | |
372 | sizeof(struct lpfc_name))) | |
373 | vport->vport_flag |= FAWWPN_PARAM_CHG; | |
374 | ||
375 | if (vport->fc_portname.u.wwn[0] == 0 || | |
376 | vport->phba->cfg_soft_wwpn || | |
377 | (vvvl == 1 && cpu_to_be32(*fawwpn_key) == FAPWWN_KEY_VENDOR) || | |
378 | vport->vport_flag & FAWWPN_SET) { | |
0558056c JS |
379 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, |
380 | sizeof(struct lpfc_name)); | |
aeb3c817 JS |
381 | vport->vport_flag &= ~FAWWPN_SET; |
382 | if (vvvl == 1 && cpu_to_be32(*fawwpn_key) == FAPWWN_KEY_VENDOR) | |
383 | vport->vport_flag |= FAWWPN_SET; | |
384 | } | |
0558056c JS |
385 | else |
386 | memcpy(&vport->fc_sparam.portName, &vport->fc_portname, | |
387 | sizeof(struct lpfc_name)); | |
388 | } | |
389 | ||
e59058c4 | 390 | /** |
3621a710 | 391 | * lpfc_config_port_post - Perform lpfc initialization after config port |
e59058c4 JS |
392 | * @phba: pointer to lpfc hba data structure. |
393 | * | |
394 | * This routine will do LPFC initialization after the CONFIG_PORT mailbox | |
395 | * command call. It performs all internal resource and state setups on the | |
396 | * port: post IOCB buffers, enable appropriate host interrupt attentions, | |
397 | * ELS ring timers, etc. | |
398 | * | |
399 | * Return codes | |
400 | * 0 - success. | |
401 | * Any other value - error. | |
402 | **/ | |
dea3101e | 403 | int |
2e0fef85 | 404 | lpfc_config_port_post(struct lpfc_hba *phba) |
dea3101e | 405 | { |
2e0fef85 | 406 | struct lpfc_vport *vport = phba->pport; |
a257bf90 | 407 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e JB |
408 | LPFC_MBOXQ_t *pmb; |
409 | MAILBOX_t *mb; | |
410 | struct lpfc_dmabuf *mp; | |
411 | struct lpfc_sli *psli = &phba->sli; | |
412 | uint32_t status, timeout; | |
2e0fef85 JS |
413 | int i, j; |
414 | int rc; | |
dea3101e | 415 | |
7af67051 JS |
416 | spin_lock_irq(&phba->hbalock); |
417 | /* | |
418 | * If the Config port completed correctly the HBA is not | |
419 | * over heated any more. | |
420 | */ | |
421 | if (phba->over_temp_state == HBA_OVER_TEMP) | |
422 | phba->over_temp_state = HBA_NORMAL_TEMP; | |
423 | spin_unlock_irq(&phba->hbalock); | |
424 | ||
dea3101e JB |
425 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
426 | if (!pmb) { | |
2e0fef85 | 427 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
428 | return -ENOMEM; |
429 | } | |
04c68496 | 430 | mb = &pmb->u.mb; |
dea3101e | 431 | |
dea3101e | 432 | /* Get login parameters for NID. */ |
9f1177a3 JS |
433 | rc = lpfc_read_sparam(phba, pmb, 0); |
434 | if (rc) { | |
435 | mempool_free(pmb, phba->mbox_mem_pool); | |
436 | return -ENOMEM; | |
437 | } | |
438 | ||
ed957684 | 439 | pmb->vport = vport; |
dea3101e | 440 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 441 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 442 | "0448 Adapter failed init, mbxCmd x%x " |
dea3101e | 443 | "READ_SPARM mbxStatus x%x\n", |
dea3101e | 444 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 445 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 446 | mp = (struct lpfc_dmabuf *) pmb->context1; |
9f1177a3 | 447 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e JB |
448 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
449 | kfree(mp); | |
450 | return -EIO; | |
451 | } | |
452 | ||
453 | mp = (struct lpfc_dmabuf *) pmb->context1; | |
454 | ||
2e0fef85 | 455 | memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); |
dea3101e JB |
456 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
457 | kfree(mp); | |
458 | pmb->context1 = NULL; | |
0558056c | 459 | lpfc_update_vport_wwn(vport); |
a257bf90 JS |
460 | |
461 | /* Update the fc_host data structures with new wwn. */ | |
462 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); | |
463 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
21e9a0a5 | 464 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
a257bf90 | 465 | |
dea3101e JB |
466 | /* If no serial number in VPD data, use low 6 bytes of WWNN */ |
467 | /* This should be consolidated into parse_vpd ? - mr */ | |
468 | if (phba->SerialNumber[0] == 0) { | |
469 | uint8_t *outptr; | |
470 | ||
2e0fef85 | 471 | outptr = &vport->fc_nodename.u.s.IEEE[0]; |
dea3101e JB |
472 | for (i = 0; i < 12; i++) { |
473 | status = *outptr++; | |
474 | j = ((status & 0xf0) >> 4); | |
475 | if (j <= 9) | |
476 | phba->SerialNumber[i] = | |
477 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
478 | else | |
479 | phba->SerialNumber[i] = | |
480 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
481 | i++; | |
482 | j = (status & 0xf); | |
483 | if (j <= 9) | |
484 | phba->SerialNumber[i] = | |
485 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
486 | else | |
487 | phba->SerialNumber[i] = | |
488 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
489 | } | |
490 | } | |
491 | ||
dea3101e | 492 | lpfc_read_config(phba, pmb); |
ed957684 | 493 | pmb->vport = vport; |
dea3101e | 494 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 495 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 496 | "0453 Adapter failed to init, mbxCmd x%x " |
dea3101e | 497 | "READ_CONFIG, mbxStatus x%x\n", |
dea3101e | 498 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 499 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
500 | mempool_free( pmb, phba->mbox_mem_pool); |
501 | return -EIO; | |
502 | } | |
503 | ||
a0c87cbd JS |
504 | /* Check if the port is disabled */ |
505 | lpfc_sli_read_link_ste(phba); | |
506 | ||
dea3101e | 507 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ |
572709e2 JS |
508 | i = (mb->un.varRdConfig.max_xri + 1); |
509 | if (phba->cfg_hba_queue_depth > i) { | |
510 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
511 | "3359 HBA queue depth changed from %d to %d\n", | |
512 | phba->cfg_hba_queue_depth, i); | |
513 | phba->cfg_hba_queue_depth = i; | |
514 | } | |
515 | ||
516 | /* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3) */ | |
517 | i = (mb->un.varRdConfig.max_xri >> 3); | |
518 | if (phba->pport->cfg_lun_queue_depth > i) { | |
519 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
520 | "3360 LUN queue depth changed from %d to %d\n", | |
521 | phba->pport->cfg_lun_queue_depth, i); | |
522 | phba->pport->cfg_lun_queue_depth = i; | |
523 | } | |
dea3101e JB |
524 | |
525 | phba->lmt = mb->un.varRdConfig.lmt; | |
74b72a59 JW |
526 | |
527 | /* Get the default values for Model Name and Description */ | |
528 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
529 | ||
2e0fef85 | 530 | phba->link_state = LPFC_LINK_DOWN; |
dea3101e | 531 | |
0b727fea | 532 | /* Only process IOCBs on ELS ring till hba_state is READY */ |
895427bd JS |
533 | if (psli->sli3_ring[LPFC_EXTRA_RING].sli.sli3.cmdringaddr) |
534 | psli->sli3_ring[LPFC_EXTRA_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
535 | if (psli->sli3_ring[LPFC_FCP_RING].sli.sli3.cmdringaddr) | |
536 | psli->sli3_ring[LPFC_FCP_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
dea3101e JB |
537 | |
538 | /* Post receive buffers for desired rings */ | |
ed957684 JS |
539 | if (phba->sli_rev != 3) |
540 | lpfc_post_rcv_buf(phba); | |
dea3101e | 541 | |
9399627f JS |
542 | /* |
543 | * Configure HBA MSI-X attention conditions to messages if MSI-X mode | |
544 | */ | |
545 | if (phba->intr_type == MSIX) { | |
546 | rc = lpfc_config_msi(phba, pmb); | |
547 | if (rc) { | |
548 | mempool_free(pmb, phba->mbox_mem_pool); | |
549 | return -EIO; | |
550 | } | |
551 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
552 | if (rc != MBX_SUCCESS) { | |
553 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
554 | "0352 Config MSI mailbox command " | |
555 | "failed, mbxCmd x%x, mbxStatus x%x\n", | |
04c68496 JS |
556 | pmb->u.mb.mbxCommand, |
557 | pmb->u.mb.mbxStatus); | |
9399627f JS |
558 | mempool_free(pmb, phba->mbox_mem_pool); |
559 | return -EIO; | |
560 | } | |
561 | } | |
562 | ||
04c68496 | 563 | spin_lock_irq(&phba->hbalock); |
9399627f JS |
564 | /* Initialize ERATT handling flag */ |
565 | phba->hba_flag &= ~HBA_ERATT_HANDLED; | |
566 | ||
dea3101e | 567 | /* Enable appropriate host interrupts */ |
9940b97b JS |
568 | if (lpfc_readl(phba->HCregaddr, &status)) { |
569 | spin_unlock_irq(&phba->hbalock); | |
570 | return -EIO; | |
571 | } | |
dea3101e JB |
572 | status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; |
573 | if (psli->num_rings > 0) | |
574 | status |= HC_R0INT_ENA; | |
575 | if (psli->num_rings > 1) | |
576 | status |= HC_R1INT_ENA; | |
577 | if (psli->num_rings > 2) | |
578 | status |= HC_R2INT_ENA; | |
579 | if (psli->num_rings > 3) | |
580 | status |= HC_R3INT_ENA; | |
581 | ||
875fbdfe JSEC |
582 | if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && |
583 | (phba->cfg_poll & DISABLE_FCP_RING_INT)) | |
9399627f | 584 | status &= ~(HC_R0INT_ENA); |
875fbdfe | 585 | |
dea3101e JB |
586 | writel(status, phba->HCregaddr); |
587 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 588 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 589 | |
9399627f JS |
590 | /* Set up ring-0 (ELS) timer */ |
591 | timeout = phba->fc_ratov * 2; | |
256ec0d0 JS |
592 | mod_timer(&vport->els_tmofunc, |
593 | jiffies + msecs_to_jiffies(1000 * timeout)); | |
9399627f | 594 | /* Set up heart beat (HB) timer */ |
256ec0d0 JS |
595 | mod_timer(&phba->hb_tmofunc, |
596 | jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); | |
858c9f6c JS |
597 | phba->hb_outstanding = 0; |
598 | phba->last_completion_time = jiffies; | |
9399627f | 599 | /* Set up error attention (ERATT) polling timer */ |
256ec0d0 | 600 | mod_timer(&phba->eratt_poll, |
65791f1f | 601 | jiffies + msecs_to_jiffies(1000 * phba->eratt_poll_interval)); |
dea3101e | 602 | |
a0c87cbd JS |
603 | if (phba->hba_flag & LINK_DISABLED) { |
604 | lpfc_printf_log(phba, | |
605 | KERN_ERR, LOG_INIT, | |
606 | "2598 Adapter Link is disabled.\n"); | |
607 | lpfc_down_link(phba, pmb); | |
608 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
609 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
610 | if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) { | |
611 | lpfc_printf_log(phba, | |
612 | KERN_ERR, LOG_INIT, | |
613 | "2599 Adapter failed to issue DOWN_LINK" | |
614 | " mbox command rc 0x%x\n", rc); | |
615 | ||
616 | mempool_free(pmb, phba->mbox_mem_pool); | |
617 | return -EIO; | |
618 | } | |
e40a02c1 | 619 | } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) { |
026abb87 JS |
620 | mempool_free(pmb, phba->mbox_mem_pool); |
621 | rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); | |
622 | if (rc) | |
623 | return rc; | |
dea3101e JB |
624 | } |
625 | /* MBOX buffer will be freed in mbox compl */ | |
57127f15 | 626 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
9f1177a3 JS |
627 | if (!pmb) { |
628 | phba->link_state = LPFC_HBA_ERROR; | |
629 | return -ENOMEM; | |
630 | } | |
631 | ||
57127f15 JS |
632 | lpfc_config_async(phba, pmb, LPFC_ELS_RING); |
633 | pmb->mbox_cmpl = lpfc_config_async_cmpl; | |
634 | pmb->vport = phba->pport; | |
635 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
dea3101e | 636 | |
57127f15 JS |
637 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { |
638 | lpfc_printf_log(phba, | |
639 | KERN_ERR, | |
640 | LOG_INIT, | |
641 | "0456 Adapter failed to issue " | |
e4e74273 | 642 | "ASYNCEVT_ENABLE mbox status x%x\n", |
57127f15 JS |
643 | rc); |
644 | mempool_free(pmb, phba->mbox_mem_pool); | |
645 | } | |
97207482 JS |
646 | |
647 | /* Get Option rom version */ | |
648 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
9f1177a3 JS |
649 | if (!pmb) { |
650 | phba->link_state = LPFC_HBA_ERROR; | |
651 | return -ENOMEM; | |
652 | } | |
653 | ||
97207482 JS |
654 | lpfc_dump_wakeup_param(phba, pmb); |
655 | pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl; | |
656 | pmb->vport = phba->pport; | |
657 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
658 | ||
659 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { | |
660 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed " | |
e4e74273 | 661 | "to get Option ROM version status x%x\n", rc); |
97207482 JS |
662 | mempool_free(pmb, phba->mbox_mem_pool); |
663 | } | |
664 | ||
d7c255b2 | 665 | return 0; |
ce8b3ce5 JS |
666 | } |
667 | ||
84d1b006 JS |
668 | /** |
669 | * lpfc_hba_init_link - Initialize the FC link | |
670 | * @phba: pointer to lpfc hba data structure. | |
6e7288d9 | 671 | * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT |
84d1b006 JS |
672 | * |
673 | * This routine will issue the INIT_LINK mailbox command call. | |
674 | * It is available to other drivers through the lpfc_hba data | |
675 | * structure for use as a delayed link up mechanism with the | |
676 | * module parameter lpfc_suppress_link_up. | |
677 | * | |
678 | * Return code | |
679 | * 0 - success | |
680 | * Any other value - error | |
681 | **/ | |
e399b228 | 682 | static int |
6e7288d9 | 683 | lpfc_hba_init_link(struct lpfc_hba *phba, uint32_t flag) |
1b51197d JS |
684 | { |
685 | return lpfc_hba_init_link_fc_topology(phba, phba->cfg_topology, flag); | |
686 | } | |
687 | ||
688 | /** | |
689 | * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology | |
690 | * @phba: pointer to lpfc hba data structure. | |
691 | * @fc_topology: desired fc topology. | |
692 | * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT | |
693 | * | |
694 | * This routine will issue the INIT_LINK mailbox command call. | |
695 | * It is available to other drivers through the lpfc_hba data | |
696 | * structure for use as a delayed link up mechanism with the | |
697 | * module parameter lpfc_suppress_link_up. | |
698 | * | |
699 | * Return code | |
700 | * 0 - success | |
701 | * Any other value - error | |
702 | **/ | |
703 | int | |
704 | lpfc_hba_init_link_fc_topology(struct lpfc_hba *phba, uint32_t fc_topology, | |
705 | uint32_t flag) | |
84d1b006 JS |
706 | { |
707 | struct lpfc_vport *vport = phba->pport; | |
708 | LPFC_MBOXQ_t *pmb; | |
709 | MAILBOX_t *mb; | |
710 | int rc; | |
711 | ||
712 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
713 | if (!pmb) { | |
714 | phba->link_state = LPFC_HBA_ERROR; | |
715 | return -ENOMEM; | |
716 | } | |
717 | mb = &pmb->u.mb; | |
718 | pmb->vport = vport; | |
719 | ||
026abb87 JS |
720 | if ((phba->cfg_link_speed > LPFC_USER_LINK_SPEED_MAX) || |
721 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_1G) && | |
722 | !(phba->lmt & LMT_1Gb)) || | |
723 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_2G) && | |
724 | !(phba->lmt & LMT_2Gb)) || | |
725 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_4G) && | |
726 | !(phba->lmt & LMT_4Gb)) || | |
727 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_8G) && | |
728 | !(phba->lmt & LMT_8Gb)) || | |
729 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_10G) && | |
730 | !(phba->lmt & LMT_10Gb)) || | |
731 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G) && | |
d38dd52c JS |
732 | !(phba->lmt & LMT_16Gb)) || |
733 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_32G) && | |
734 | !(phba->lmt & LMT_32Gb))) { | |
026abb87 JS |
735 | /* Reset link speed to auto */ |
736 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
737 | "1302 Invalid speed for this board:%d " | |
738 | "Reset link speed to auto.\n", | |
739 | phba->cfg_link_speed); | |
740 | phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO; | |
741 | } | |
1b51197d | 742 | lpfc_init_link(phba, pmb, fc_topology, phba->cfg_link_speed); |
84d1b006 | 743 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
1b51197d JS |
744 | if (phba->sli_rev < LPFC_SLI_REV4) |
745 | lpfc_set_loopback_flag(phba); | |
6e7288d9 | 746 | rc = lpfc_sli_issue_mbox(phba, pmb, flag); |
76a95d75 | 747 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { |
84d1b006 JS |
748 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
749 | "0498 Adapter failed to init, mbxCmd x%x " | |
750 | "INIT_LINK, mbxStatus x%x\n", | |
751 | mb->mbxCommand, mb->mbxStatus); | |
76a95d75 JS |
752 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
753 | /* Clear all interrupt enable conditions */ | |
754 | writel(0, phba->HCregaddr); | |
755 | readl(phba->HCregaddr); /* flush */ | |
756 | /* Clear all pending interrupts */ | |
757 | writel(0xffffffff, phba->HAregaddr); | |
758 | readl(phba->HAregaddr); /* flush */ | |
759 | } | |
84d1b006 | 760 | phba->link_state = LPFC_HBA_ERROR; |
6e7288d9 | 761 | if (rc != MBX_BUSY || flag == MBX_POLL) |
84d1b006 JS |
762 | mempool_free(pmb, phba->mbox_mem_pool); |
763 | return -EIO; | |
764 | } | |
e40a02c1 | 765 | phba->cfg_suppress_link_up = LPFC_INITIALIZE_LINK; |
6e7288d9 JS |
766 | if (flag == MBX_POLL) |
767 | mempool_free(pmb, phba->mbox_mem_pool); | |
84d1b006 JS |
768 | |
769 | return 0; | |
770 | } | |
771 | ||
772 | /** | |
773 | * lpfc_hba_down_link - this routine downs the FC link | |
6e7288d9 JS |
774 | * @phba: pointer to lpfc hba data structure. |
775 | * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT | |
84d1b006 JS |
776 | * |
777 | * This routine will issue the DOWN_LINK mailbox command call. | |
778 | * It is available to other drivers through the lpfc_hba data | |
779 | * structure for use to stop the link. | |
780 | * | |
781 | * Return code | |
782 | * 0 - success | |
783 | * Any other value - error | |
784 | **/ | |
e399b228 | 785 | static int |
6e7288d9 | 786 | lpfc_hba_down_link(struct lpfc_hba *phba, uint32_t flag) |
84d1b006 JS |
787 | { |
788 | LPFC_MBOXQ_t *pmb; | |
789 | int rc; | |
790 | ||
791 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
792 | if (!pmb) { | |
793 | phba->link_state = LPFC_HBA_ERROR; | |
794 | return -ENOMEM; | |
795 | } | |
796 | ||
797 | lpfc_printf_log(phba, | |
798 | KERN_ERR, LOG_INIT, | |
799 | "0491 Adapter Link is disabled.\n"); | |
800 | lpfc_down_link(phba, pmb); | |
801 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
6e7288d9 | 802 | rc = lpfc_sli_issue_mbox(phba, pmb, flag); |
84d1b006 JS |
803 | if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) { |
804 | lpfc_printf_log(phba, | |
805 | KERN_ERR, LOG_INIT, | |
806 | "2522 Adapter failed to issue DOWN_LINK" | |
807 | " mbox command rc 0x%x\n", rc); | |
808 | ||
809 | mempool_free(pmb, phba->mbox_mem_pool); | |
810 | return -EIO; | |
811 | } | |
6e7288d9 JS |
812 | if (flag == MBX_POLL) |
813 | mempool_free(pmb, phba->mbox_mem_pool); | |
814 | ||
84d1b006 JS |
815 | return 0; |
816 | } | |
817 | ||
e59058c4 | 818 | /** |
3621a710 | 819 | * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset |
e59058c4 JS |
820 | * @phba: pointer to lpfc HBA data structure. |
821 | * | |
822 | * This routine will do LPFC uninitialization before the HBA is reset when | |
823 | * bringing down the SLI Layer. | |
824 | * | |
825 | * Return codes | |
826 | * 0 - success. | |
827 | * Any other value - error. | |
828 | **/ | |
dea3101e | 829 | int |
2e0fef85 | 830 | lpfc_hba_down_prep(struct lpfc_hba *phba) |
dea3101e | 831 | { |
1b32f6aa JS |
832 | struct lpfc_vport **vports; |
833 | int i; | |
3772a991 JS |
834 | |
835 | if (phba->sli_rev <= LPFC_SLI_REV3) { | |
836 | /* Disable interrupts */ | |
837 | writel(0, phba->HCregaddr); | |
838 | readl(phba->HCregaddr); /* flush */ | |
839 | } | |
dea3101e | 840 | |
1b32f6aa JS |
841 | if (phba->pport->load_flag & FC_UNLOADING) |
842 | lpfc_cleanup_discovery_resources(phba->pport); | |
843 | else { | |
844 | vports = lpfc_create_vport_work_array(phba); | |
845 | if (vports != NULL) | |
3772a991 JS |
846 | for (i = 0; i <= phba->max_vports && |
847 | vports[i] != NULL; i++) | |
1b32f6aa JS |
848 | lpfc_cleanup_discovery_resources(vports[i]); |
849 | lpfc_destroy_vport_work_array(phba, vports); | |
7f5f3d0d JS |
850 | } |
851 | return 0; | |
dea3101e JB |
852 | } |
853 | ||
68e814f5 JS |
854 | /** |
855 | * lpfc_sli4_free_sp_events - Cleanup sp_queue_events to free | |
856 | * rspiocb which got deferred | |
857 | * | |
858 | * @phba: pointer to lpfc HBA data structure. | |
859 | * | |
860 | * This routine will cleanup completed slow path events after HBA is reset | |
861 | * when bringing down the SLI Layer. | |
862 | * | |
863 | * | |
864 | * Return codes | |
865 | * void. | |
866 | **/ | |
867 | static void | |
868 | lpfc_sli4_free_sp_events(struct lpfc_hba *phba) | |
869 | { | |
870 | struct lpfc_iocbq *rspiocbq; | |
871 | struct hbq_dmabuf *dmabuf; | |
872 | struct lpfc_cq_event *cq_event; | |
873 | ||
874 | spin_lock_irq(&phba->hbalock); | |
875 | phba->hba_flag &= ~HBA_SP_QUEUE_EVT; | |
876 | spin_unlock_irq(&phba->hbalock); | |
877 | ||
878 | while (!list_empty(&phba->sli4_hba.sp_queue_event)) { | |
879 | /* Get the response iocb from the head of work queue */ | |
880 | spin_lock_irq(&phba->hbalock); | |
881 | list_remove_head(&phba->sli4_hba.sp_queue_event, | |
882 | cq_event, struct lpfc_cq_event, list); | |
883 | spin_unlock_irq(&phba->hbalock); | |
884 | ||
885 | switch (bf_get(lpfc_wcqe_c_code, &cq_event->cqe.wcqe_cmpl)) { | |
886 | case CQE_CODE_COMPL_WQE: | |
887 | rspiocbq = container_of(cq_event, struct lpfc_iocbq, | |
888 | cq_event); | |
889 | lpfc_sli_release_iocbq(phba, rspiocbq); | |
890 | break; | |
891 | case CQE_CODE_RECEIVE: | |
892 | case CQE_CODE_RECEIVE_V1: | |
893 | dmabuf = container_of(cq_event, struct hbq_dmabuf, | |
894 | cq_event); | |
895 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
896 | } | |
897 | } | |
898 | } | |
899 | ||
e59058c4 | 900 | /** |
bcece5f5 | 901 | * lpfc_hba_free_post_buf - Perform lpfc uninitialization after HBA reset |
e59058c4 JS |
902 | * @phba: pointer to lpfc HBA data structure. |
903 | * | |
bcece5f5 JS |
904 | * This routine will cleanup posted ELS buffers after the HBA is reset |
905 | * when bringing down the SLI Layer. | |
906 | * | |
e59058c4 JS |
907 | * |
908 | * Return codes | |
bcece5f5 | 909 | * void. |
e59058c4 | 910 | **/ |
bcece5f5 JS |
911 | static void |
912 | lpfc_hba_free_post_buf(struct lpfc_hba *phba) | |
41415862 JW |
913 | { |
914 | struct lpfc_sli *psli = &phba->sli; | |
915 | struct lpfc_sli_ring *pring; | |
916 | struct lpfc_dmabuf *mp, *next_mp; | |
07eab624 JS |
917 | LIST_HEAD(buflist); |
918 | int count; | |
41415862 | 919 | |
92d7f7b0 JS |
920 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) |
921 | lpfc_sli_hbqbuf_free_all(phba); | |
922 | else { | |
923 | /* Cleanup preposted buffers on the ELS ring */ | |
895427bd | 924 | pring = &psli->sli3_ring[LPFC_ELS_RING]; |
07eab624 JS |
925 | spin_lock_irq(&phba->hbalock); |
926 | list_splice_init(&pring->postbufq, &buflist); | |
927 | spin_unlock_irq(&phba->hbalock); | |
928 | ||
929 | count = 0; | |
930 | list_for_each_entry_safe(mp, next_mp, &buflist, list) { | |
92d7f7b0 | 931 | list_del(&mp->list); |
07eab624 | 932 | count++; |
92d7f7b0 JS |
933 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
934 | kfree(mp); | |
935 | } | |
07eab624 JS |
936 | |
937 | spin_lock_irq(&phba->hbalock); | |
938 | pring->postbufq_cnt -= count; | |
bcece5f5 | 939 | spin_unlock_irq(&phba->hbalock); |
41415862 | 940 | } |
bcece5f5 JS |
941 | } |
942 | ||
943 | /** | |
944 | * lpfc_hba_clean_txcmplq - Perform lpfc uninitialization after HBA reset | |
945 | * @phba: pointer to lpfc HBA data structure. | |
946 | * | |
947 | * This routine will cleanup the txcmplq after the HBA is reset when bringing | |
948 | * down the SLI Layer. | |
949 | * | |
950 | * Return codes | |
951 | * void | |
952 | **/ | |
953 | static void | |
954 | lpfc_hba_clean_txcmplq(struct lpfc_hba *phba) | |
955 | { | |
956 | struct lpfc_sli *psli = &phba->sli; | |
895427bd | 957 | struct lpfc_queue *qp = NULL; |
bcece5f5 JS |
958 | struct lpfc_sli_ring *pring; |
959 | LIST_HEAD(completions); | |
960 | int i; | |
961 | ||
895427bd JS |
962 | if (phba->sli_rev != LPFC_SLI_REV4) { |
963 | for (i = 0; i < psli->num_rings; i++) { | |
964 | pring = &psli->sli3_ring[i]; | |
bcece5f5 | 965 | spin_lock_irq(&phba->hbalock); |
895427bd JS |
966 | /* At this point in time the HBA is either reset or DOA |
967 | * Nothing should be on txcmplq as it will | |
968 | * NEVER complete. | |
969 | */ | |
970 | list_splice_init(&pring->txcmplq, &completions); | |
971 | pring->txcmplq_cnt = 0; | |
bcece5f5 | 972 | spin_unlock_irq(&phba->hbalock); |
09372820 | 973 | |
895427bd JS |
974 | lpfc_sli_abort_iocb_ring(phba, pring); |
975 | } | |
a257bf90 | 976 | /* Cancel all the IOCBs from the completions list */ |
895427bd JS |
977 | lpfc_sli_cancel_iocbs(phba, &completions, |
978 | IOSTAT_LOCAL_REJECT, IOERR_SLI_ABORTED); | |
979 | return; | |
980 | } | |
981 | list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { | |
982 | pring = qp->pring; | |
983 | if (!pring) | |
984 | continue; | |
985 | spin_lock_irq(&pring->ring_lock); | |
986 | list_splice_init(&pring->txcmplq, &completions); | |
987 | pring->txcmplq_cnt = 0; | |
988 | spin_unlock_irq(&pring->ring_lock); | |
41415862 JW |
989 | lpfc_sli_abort_iocb_ring(phba, pring); |
990 | } | |
895427bd JS |
991 | /* Cancel all the IOCBs from the completions list */ |
992 | lpfc_sli_cancel_iocbs(phba, &completions, | |
993 | IOSTAT_LOCAL_REJECT, IOERR_SLI_ABORTED); | |
bcece5f5 | 994 | } |
41415862 | 995 | |
bcece5f5 JS |
996 | /** |
997 | * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset | |
998 | int i; | |
999 | * @phba: pointer to lpfc HBA data structure. | |
1000 | * | |
1001 | * This routine will do uninitialization after the HBA is reset when bring | |
1002 | * down the SLI Layer. | |
1003 | * | |
1004 | * Return codes | |
1005 | * 0 - success. | |
1006 | * Any other value - error. | |
1007 | **/ | |
1008 | static int | |
1009 | lpfc_hba_down_post_s3(struct lpfc_hba *phba) | |
1010 | { | |
1011 | lpfc_hba_free_post_buf(phba); | |
1012 | lpfc_hba_clean_txcmplq(phba); | |
41415862 JW |
1013 | return 0; |
1014 | } | |
5af5eee7 | 1015 | |
da0436e9 JS |
1016 | /** |
1017 | * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset | |
1018 | * @phba: pointer to lpfc HBA data structure. | |
1019 | * | |
1020 | * This routine will do uninitialization after the HBA is reset when bring | |
1021 | * down the SLI Layer. | |
1022 | * | |
1023 | * Return codes | |
af901ca1 | 1024 | * 0 - success. |
da0436e9 JS |
1025 | * Any other value - error. |
1026 | **/ | |
1027 | static int | |
1028 | lpfc_hba_down_post_s4(struct lpfc_hba *phba) | |
1029 | { | |
1030 | struct lpfc_scsi_buf *psb, *psb_next; | |
86c67379 | 1031 | struct lpfc_nvmet_rcv_ctx *ctxp, *ctxp_next; |
da0436e9 | 1032 | LIST_HEAD(aborts); |
895427bd | 1033 | LIST_HEAD(nvme_aborts); |
86c67379 | 1034 | LIST_HEAD(nvmet_aborts); |
da0436e9 | 1035 | unsigned long iflag = 0; |
0f65ff68 JS |
1036 | struct lpfc_sglq *sglq_entry = NULL; |
1037 | ||
895427bd JS |
1038 | |
1039 | lpfc_sli_hbqbuf_free_all(phba); | |
bcece5f5 JS |
1040 | lpfc_hba_clean_txcmplq(phba); |
1041 | ||
da0436e9 JS |
1042 | /* At this point in time the HBA is either reset or DOA. Either |
1043 | * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be | |
895427bd | 1044 | * on the lpfc_els_sgl_list so that it can either be freed if the |
da0436e9 JS |
1045 | * driver is unloading or reposted if the driver is restarting |
1046 | * the port. | |
1047 | */ | |
895427bd | 1048 | spin_lock_irq(&phba->hbalock); /* required for lpfc_els_sgl_list and */ |
da0436e9 | 1049 | /* scsl_buf_list */ |
895427bd | 1050 | /* sgl_list_lock required because worker thread uses this |
da0436e9 JS |
1051 | * list. |
1052 | */ | |
895427bd | 1053 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
0f65ff68 JS |
1054 | list_for_each_entry(sglq_entry, |
1055 | &phba->sli4_hba.lpfc_abts_els_sgl_list, list) | |
1056 | sglq_entry->state = SGL_FREED; | |
1057 | ||
da0436e9 | 1058 | list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list, |
895427bd JS |
1059 | &phba->sli4_hba.lpfc_els_sgl_list); |
1060 | ||
f358dd0c | 1061 | |
895427bd | 1062 | spin_unlock(&phba->sli4_hba.sgl_list_lock); |
da0436e9 JS |
1063 | /* abts_scsi_buf_list_lock required because worker thread uses this |
1064 | * list. | |
1065 | */ | |
895427bd JS |
1066 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { |
1067 | spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
1068 | list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list, | |
1069 | &aborts); | |
1070 | spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
1071 | } | |
1072 | ||
1073 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { | |
1074 | spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock); | |
1075 | list_splice_init(&phba->sli4_hba.lpfc_abts_nvme_buf_list, | |
1076 | &nvme_aborts); | |
86c67379 JS |
1077 | list_splice_init(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list, |
1078 | &nvmet_aborts); | |
895427bd JS |
1079 | spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); |
1080 | } | |
1081 | ||
da0436e9 JS |
1082 | spin_unlock_irq(&phba->hbalock); |
1083 | ||
1084 | list_for_each_entry_safe(psb, psb_next, &aborts, list) { | |
1085 | psb->pCmd = NULL; | |
1086 | psb->status = IOSTAT_SUCCESS; | |
1087 | } | |
a40fc5f0 JS |
1088 | spin_lock_irqsave(&phba->scsi_buf_list_put_lock, iflag); |
1089 | list_splice(&aborts, &phba->lpfc_scsi_buf_list_put); | |
1090 | spin_unlock_irqrestore(&phba->scsi_buf_list_put_lock, iflag); | |
68e814f5 | 1091 | |
86c67379 JS |
1092 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { |
1093 | list_for_each_entry_safe(psb, psb_next, &nvme_aborts, list) { | |
1094 | psb->pCmd = NULL; | |
1095 | psb->status = IOSTAT_SUCCESS; | |
1096 | } | |
1097 | spin_lock_irqsave(&phba->nvme_buf_list_put_lock, iflag); | |
1098 | list_splice(&nvme_aborts, &phba->lpfc_nvme_buf_list_put); | |
1099 | spin_unlock_irqrestore(&phba->nvme_buf_list_put_lock, iflag); | |
1100 | ||
1101 | list_for_each_entry_safe(ctxp, ctxp_next, &nvmet_aborts, list) { | |
1102 | ctxp->flag &= ~(LPFC_NVMET_XBUSY | LPFC_NVMET_ABORT_OP); | |
6c621a22 | 1103 | lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); |
86c67379 | 1104 | } |
895427bd | 1105 | } |
895427bd | 1106 | |
68e814f5 | 1107 | lpfc_sli4_free_sp_events(phba); |
da0436e9 JS |
1108 | return 0; |
1109 | } | |
1110 | ||
1111 | /** | |
1112 | * lpfc_hba_down_post - Wrapper func for hba down post routine | |
1113 | * @phba: pointer to lpfc HBA data structure. | |
1114 | * | |
1115 | * This routine wraps the actual SLI3 or SLI4 routine for performing | |
1116 | * uninitialization after the HBA is reset when bring down the SLI Layer. | |
1117 | * | |
1118 | * Return codes | |
af901ca1 | 1119 | * 0 - success. |
da0436e9 JS |
1120 | * Any other value - error. |
1121 | **/ | |
1122 | int | |
1123 | lpfc_hba_down_post(struct lpfc_hba *phba) | |
1124 | { | |
1125 | return (*phba->lpfc_hba_down_post)(phba); | |
1126 | } | |
41415862 | 1127 | |
e59058c4 | 1128 | /** |
3621a710 | 1129 | * lpfc_hb_timeout - The HBA-timer timeout handler |
e59058c4 JS |
1130 | * @ptr: unsigned long holds the pointer to lpfc hba data structure. |
1131 | * | |
1132 | * This is the HBA-timer timeout handler registered to the lpfc driver. When | |
1133 | * this timer fires, a HBA timeout event shall be posted to the lpfc driver | |
1134 | * work-port-events bitmap and the worker thread is notified. This timeout | |
1135 | * event will be used by the worker thread to invoke the actual timeout | |
1136 | * handler routine, lpfc_hb_timeout_handler. Any periodical operations will | |
1137 | * be performed in the timeout handler and the HBA timeout event bit shall | |
1138 | * be cleared by the worker thread after it has taken the event bitmap out. | |
1139 | **/ | |
a6ababd2 | 1140 | static void |
f22eb4d3 | 1141 | lpfc_hb_timeout(struct timer_list *t) |
858c9f6c JS |
1142 | { |
1143 | struct lpfc_hba *phba; | |
5e9d9b82 | 1144 | uint32_t tmo_posted; |
858c9f6c JS |
1145 | unsigned long iflag; |
1146 | ||
f22eb4d3 | 1147 | phba = from_timer(phba, t, hb_tmofunc); |
9399627f JS |
1148 | |
1149 | /* Check for heart beat timeout conditions */ | |
858c9f6c | 1150 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); |
5e9d9b82 JS |
1151 | tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO; |
1152 | if (!tmo_posted) | |
858c9f6c JS |
1153 | phba->pport->work_port_events |= WORKER_HB_TMO; |
1154 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
1155 | ||
9399627f | 1156 | /* Tell the worker thread there is work to do */ |
5e9d9b82 JS |
1157 | if (!tmo_posted) |
1158 | lpfc_worker_wake_up(phba); | |
858c9f6c JS |
1159 | return; |
1160 | } | |
1161 | ||
19ca7609 JS |
1162 | /** |
1163 | * lpfc_rrq_timeout - The RRQ-timer timeout handler | |
1164 | * @ptr: unsigned long holds the pointer to lpfc hba data structure. | |
1165 | * | |
1166 | * This is the RRQ-timer timeout handler registered to the lpfc driver. When | |
1167 | * this timer fires, a RRQ timeout event shall be posted to the lpfc driver | |
1168 | * work-port-events bitmap and the worker thread is notified. This timeout | |
1169 | * event will be used by the worker thread to invoke the actual timeout | |
1170 | * handler routine, lpfc_rrq_handler. Any periodical operations will | |
1171 | * be performed in the timeout handler and the RRQ timeout event bit shall | |
1172 | * be cleared by the worker thread after it has taken the event bitmap out. | |
1173 | **/ | |
1174 | static void | |
f22eb4d3 | 1175 | lpfc_rrq_timeout(struct timer_list *t) |
19ca7609 JS |
1176 | { |
1177 | struct lpfc_hba *phba; | |
19ca7609 JS |
1178 | unsigned long iflag; |
1179 | ||
f22eb4d3 | 1180 | phba = from_timer(phba, t, rrq_tmr); |
19ca7609 | 1181 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); |
06918ac5 JS |
1182 | if (!(phba->pport->load_flag & FC_UNLOADING)) |
1183 | phba->hba_flag |= HBA_RRQ_ACTIVE; | |
1184 | else | |
1185 | phba->hba_flag &= ~HBA_RRQ_ACTIVE; | |
19ca7609 | 1186 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); |
06918ac5 JS |
1187 | |
1188 | if (!(phba->pport->load_flag & FC_UNLOADING)) | |
1189 | lpfc_worker_wake_up(phba); | |
19ca7609 JS |
1190 | } |
1191 | ||
e59058c4 | 1192 | /** |
3621a710 | 1193 | * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function |
e59058c4 JS |
1194 | * @phba: pointer to lpfc hba data structure. |
1195 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
1196 | * | |
1197 | * This is the callback function to the lpfc heart-beat mailbox command. | |
1198 | * If configured, the lpfc driver issues the heart-beat mailbox command to | |
1199 | * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the | |
1200 | * heart-beat mailbox command is issued, the driver shall set up heart-beat | |
1201 | * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks | |
1202 | * heart-beat outstanding state. Once the mailbox command comes back and | |
1203 | * no error conditions detected, the heart-beat mailbox command timer is | |
1204 | * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding | |
1205 | * state is cleared for the next heart-beat. If the timer expired with the | |
1206 | * heart-beat outstanding state set, the driver will put the HBA offline. | |
1207 | **/ | |
858c9f6c JS |
1208 | static void |
1209 | lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
1210 | { | |
1211 | unsigned long drvr_flag; | |
1212 | ||
1213 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
1214 | phba->hb_outstanding = 0; | |
1215 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
1216 | ||
9399627f | 1217 | /* Check and reset heart-beat timer is necessary */ |
858c9f6c JS |
1218 | mempool_free(pmboxq, phba->mbox_mem_pool); |
1219 | if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && | |
1220 | !(phba->link_state == LPFC_HBA_ERROR) && | |
51ef4c26 | 1221 | !(phba->pport->load_flag & FC_UNLOADING)) |
858c9f6c | 1222 | mod_timer(&phba->hb_tmofunc, |
256ec0d0 JS |
1223 | jiffies + |
1224 | msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); | |
858c9f6c JS |
1225 | return; |
1226 | } | |
1227 | ||
e59058c4 | 1228 | /** |
3621a710 | 1229 | * lpfc_hb_timeout_handler - The HBA-timer timeout handler |
e59058c4 JS |
1230 | * @phba: pointer to lpfc hba data structure. |
1231 | * | |
1232 | * This is the actual HBA-timer timeout handler to be invoked by the worker | |
1233 | * thread whenever the HBA timer fired and HBA-timeout event posted. This | |
1234 | * handler performs any periodic operations needed for the device. If such | |
1235 | * periodic event has already been attended to either in the interrupt handler | |
1236 | * or by processing slow-ring or fast-ring events within the HBA-timer | |
1237 | * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets | |
1238 | * the timer for the next timeout period. If lpfc heart-beat mailbox command | |
1239 | * is configured and there is no heart-beat mailbox command outstanding, a | |
1240 | * heart-beat mailbox is issued and timer set properly. Otherwise, if there | |
1241 | * has been a heart-beat mailbox command outstanding, the HBA shall be put | |
1242 | * to offline. | |
1243 | **/ | |
858c9f6c JS |
1244 | void |
1245 | lpfc_hb_timeout_handler(struct lpfc_hba *phba) | |
1246 | { | |
45ed1190 | 1247 | struct lpfc_vport **vports; |
858c9f6c | 1248 | LPFC_MBOXQ_t *pmboxq; |
0ff10d46 | 1249 | struct lpfc_dmabuf *buf_ptr; |
45ed1190 | 1250 | int retval, i; |
858c9f6c | 1251 | struct lpfc_sli *psli = &phba->sli; |
0ff10d46 | 1252 | LIST_HEAD(completions); |
0cf07f84 JS |
1253 | struct lpfc_queue *qp; |
1254 | unsigned long time_elapsed; | |
1255 | uint32_t tick_cqe, max_cqe, val; | |
1256 | uint64_t tot, data1, data2, data3; | |
66d7ce93 | 1257 | struct lpfc_nvmet_tgtport *tgtp; |
0cf07f84 JS |
1258 | struct lpfc_register reg_data; |
1259 | void __iomem *eqdreg = phba->sli4_hba.u.if_type2.EQDregaddr; | |
858c9f6c | 1260 | |
45ed1190 JS |
1261 | vports = lpfc_create_vport_work_array(phba); |
1262 | if (vports != NULL) | |
4258e98e | 1263 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
45ed1190 | 1264 | lpfc_rcv_seq_check_edtov(vports[i]); |
4258e98e JS |
1265 | lpfc_fdmi_num_disc_check(vports[i]); |
1266 | } | |
45ed1190 JS |
1267 | lpfc_destroy_vport_work_array(phba, vports); |
1268 | ||
858c9f6c | 1269 | if ((phba->link_state == LPFC_HBA_ERROR) || |
51ef4c26 | 1270 | (phba->pport->load_flag & FC_UNLOADING) || |
858c9f6c JS |
1271 | (phba->pport->fc_flag & FC_OFFLINE_MODE)) |
1272 | return; | |
1273 | ||
0cf07f84 JS |
1274 | if (phba->cfg_auto_imax) { |
1275 | if (!phba->last_eqdelay_time) { | |
1276 | phba->last_eqdelay_time = jiffies; | |
1277 | goto skip_eqdelay; | |
1278 | } | |
1279 | time_elapsed = jiffies - phba->last_eqdelay_time; | |
1280 | phba->last_eqdelay_time = jiffies; | |
1281 | ||
1282 | tot = 0xffff; | |
1283 | /* Check outstanding IO count */ | |
1284 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { | |
1285 | if (phba->nvmet_support) { | |
66d7ce93 DK |
1286 | tgtp = phba->targetport->private; |
1287 | /* Calculate outstanding IOs */ | |
1288 | tot = atomic_read(&tgtp->rcv_fcp_cmd_drop); | |
1289 | tot += atomic_read(&tgtp->xmt_fcp_release); | |
1290 | tot = atomic_read(&tgtp->rcv_fcp_cmd_in) - tot; | |
0cf07f84 JS |
1291 | } else { |
1292 | tot = atomic_read(&phba->fc4NvmeIoCmpls); | |
1293 | data1 = atomic_read( | |
1294 | &phba->fc4NvmeInputRequests); | |
1295 | data2 = atomic_read( | |
1296 | &phba->fc4NvmeOutputRequests); | |
1297 | data3 = atomic_read( | |
1298 | &phba->fc4NvmeControlRequests); | |
1299 | tot = (data1 + data2 + data3) - tot; | |
1300 | } | |
1301 | } | |
1302 | ||
1303 | /* Interrupts per sec per EQ */ | |
1304 | val = phba->cfg_fcp_imax / phba->io_channel_irqs; | |
1305 | tick_cqe = val / CONFIG_HZ; /* Per tick per EQ */ | |
1306 | ||
1307 | /* Assume 1 CQE/ISR, calc max CQEs allowed for time duration */ | |
1308 | max_cqe = time_elapsed * tick_cqe; | |
1309 | ||
1310 | for (i = 0; i < phba->io_channel_irqs; i++) { | |
1311 | /* Fast-path EQ */ | |
1312 | qp = phba->sli4_hba.hba_eq[i]; | |
1313 | if (!qp) | |
1314 | continue; | |
1315 | ||
1316 | /* Use no EQ delay if we don't have many outstanding | |
1317 | * IOs, or if we are only processing 1 CQE/ISR or less. | |
1318 | * Otherwise, assume we can process up to lpfc_fcp_imax | |
1319 | * interrupts per HBA. | |
1320 | */ | |
1321 | if (tot < LPFC_NODELAY_MAX_IO || | |
1322 | qp->EQ_cqe_cnt <= max_cqe) | |
1323 | val = 0; | |
1324 | else | |
1325 | val = phba->cfg_fcp_imax; | |
1326 | ||
1327 | if (phba->sli.sli_flag & LPFC_SLI_USE_EQDR) { | |
1328 | /* Use EQ Delay Register method */ | |
1329 | ||
1330 | /* Convert for EQ Delay register */ | |
1331 | if (val) { | |
1332 | /* First, interrupts per sec per EQ */ | |
1333 | val = phba->cfg_fcp_imax / | |
1334 | phba->io_channel_irqs; | |
1335 | ||
1336 | /* us delay between each interrupt */ | |
1337 | val = LPFC_SEC_TO_USEC / val; | |
1338 | } | |
1339 | if (val != qp->q_mode) { | |
1340 | reg_data.word0 = 0; | |
1341 | bf_set(lpfc_sliport_eqdelay_id, | |
1342 | ®_data, qp->queue_id); | |
1343 | bf_set(lpfc_sliport_eqdelay_delay, | |
1344 | ®_data, val); | |
1345 | writel(reg_data.word0, eqdreg); | |
1346 | } | |
1347 | } else { | |
1348 | /* Use mbox command method */ | |
1349 | if (val != qp->q_mode) | |
1350 | lpfc_modify_hba_eq_delay(phba, i, | |
1351 | 1, val); | |
1352 | } | |
1353 | ||
1354 | /* | |
1355 | * val is cfg_fcp_imax or 0 for mbox delay or us delay | |
1356 | * between interrupts for EQDR. | |
1357 | */ | |
1358 | qp->q_mode = val; | |
1359 | qp->EQ_cqe_cnt = 0; | |
1360 | } | |
1361 | } | |
1362 | ||
1363 | skip_eqdelay: | |
858c9f6c | 1364 | spin_lock_irq(&phba->pport->work_port_lock); |
858c9f6c | 1365 | |
256ec0d0 JS |
1366 | if (time_after(phba->last_completion_time + |
1367 | msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL), | |
1368 | jiffies)) { | |
858c9f6c JS |
1369 | spin_unlock_irq(&phba->pport->work_port_lock); |
1370 | if (!phba->hb_outstanding) | |
1371 | mod_timer(&phba->hb_tmofunc, | |
256ec0d0 JS |
1372 | jiffies + |
1373 | msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); | |
858c9f6c JS |
1374 | else |
1375 | mod_timer(&phba->hb_tmofunc, | |
256ec0d0 JS |
1376 | jiffies + |
1377 | msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT)); | |
858c9f6c JS |
1378 | return; |
1379 | } | |
1380 | spin_unlock_irq(&phba->pport->work_port_lock); | |
1381 | ||
0ff10d46 JS |
1382 | if (phba->elsbuf_cnt && |
1383 | (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) { | |
1384 | spin_lock_irq(&phba->hbalock); | |
1385 | list_splice_init(&phba->elsbuf, &completions); | |
1386 | phba->elsbuf_cnt = 0; | |
1387 | phba->elsbuf_prev_cnt = 0; | |
1388 | spin_unlock_irq(&phba->hbalock); | |
1389 | ||
1390 | while (!list_empty(&completions)) { | |
1391 | list_remove_head(&completions, buf_ptr, | |
1392 | struct lpfc_dmabuf, list); | |
1393 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
1394 | kfree(buf_ptr); | |
1395 | } | |
1396 | } | |
1397 | phba->elsbuf_prev_cnt = phba->elsbuf_cnt; | |
1398 | ||
858c9f6c | 1399 | /* If there is no heart beat outstanding, issue a heartbeat command */ |
13815c83 JS |
1400 | if (phba->cfg_enable_hba_heartbeat) { |
1401 | if (!phba->hb_outstanding) { | |
bc73905a JS |
1402 | if ((!(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) && |
1403 | (list_empty(&psli->mboxq))) { | |
1404 | pmboxq = mempool_alloc(phba->mbox_mem_pool, | |
1405 | GFP_KERNEL); | |
1406 | if (!pmboxq) { | |
1407 | mod_timer(&phba->hb_tmofunc, | |
1408 | jiffies + | |
256ec0d0 JS |
1409 | msecs_to_jiffies(1000 * |
1410 | LPFC_HB_MBOX_INTERVAL)); | |
bc73905a JS |
1411 | return; |
1412 | } | |
1413 | ||
1414 | lpfc_heart_beat(phba, pmboxq); | |
1415 | pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; | |
1416 | pmboxq->vport = phba->pport; | |
1417 | retval = lpfc_sli_issue_mbox(phba, pmboxq, | |
1418 | MBX_NOWAIT); | |
1419 | ||
1420 | if (retval != MBX_BUSY && | |
1421 | retval != MBX_SUCCESS) { | |
1422 | mempool_free(pmboxq, | |
1423 | phba->mbox_mem_pool); | |
1424 | mod_timer(&phba->hb_tmofunc, | |
1425 | jiffies + | |
256ec0d0 JS |
1426 | msecs_to_jiffies(1000 * |
1427 | LPFC_HB_MBOX_INTERVAL)); | |
bc73905a JS |
1428 | return; |
1429 | } | |
1430 | phba->skipped_hb = 0; | |
1431 | phba->hb_outstanding = 1; | |
1432 | } else if (time_before_eq(phba->last_completion_time, | |
1433 | phba->skipped_hb)) { | |
1434 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
1435 | "2857 Last completion time not " | |
1436 | " updated in %d ms\n", | |
1437 | jiffies_to_msecs(jiffies | |
1438 | - phba->last_completion_time)); | |
1439 | } else | |
1440 | phba->skipped_hb = jiffies; | |
1441 | ||
858c9f6c | 1442 | mod_timer(&phba->hb_tmofunc, |
256ec0d0 JS |
1443 | jiffies + |
1444 | msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT)); | |
858c9f6c | 1445 | return; |
13815c83 JS |
1446 | } else { |
1447 | /* | |
1448 | * If heart beat timeout called with hb_outstanding set | |
dcf2a4e0 JS |
1449 | * we need to give the hb mailbox cmd a chance to |
1450 | * complete or TMO. | |
13815c83 | 1451 | */ |
dcf2a4e0 JS |
1452 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
1453 | "0459 Adapter heartbeat still out" | |
1454 | "standing:last compl time was %d ms.\n", | |
1455 | jiffies_to_msecs(jiffies | |
1456 | - phba->last_completion_time)); | |
1457 | mod_timer(&phba->hb_tmofunc, | |
256ec0d0 JS |
1458 | jiffies + |
1459 | msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT)); | |
858c9f6c | 1460 | } |
4258e98e JS |
1461 | } else { |
1462 | mod_timer(&phba->hb_tmofunc, | |
1463 | jiffies + | |
1464 | msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); | |
858c9f6c JS |
1465 | } |
1466 | } | |
1467 | ||
e59058c4 | 1468 | /** |
3621a710 | 1469 | * lpfc_offline_eratt - Bring lpfc offline on hardware error attention |
e59058c4 JS |
1470 | * @phba: pointer to lpfc hba data structure. |
1471 | * | |
1472 | * This routine is called to bring the HBA offline when HBA hardware error | |
1473 | * other than Port Error 6 has been detected. | |
1474 | **/ | |
09372820 JS |
1475 | static void |
1476 | lpfc_offline_eratt(struct lpfc_hba *phba) | |
1477 | { | |
1478 | struct lpfc_sli *psli = &phba->sli; | |
1479 | ||
1480 | spin_lock_irq(&phba->hbalock); | |
f4b4c68f | 1481 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
09372820 | 1482 | spin_unlock_irq(&phba->hbalock); |
618a5230 | 1483 | lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); |
09372820 JS |
1484 | |
1485 | lpfc_offline(phba); | |
1486 | lpfc_reset_barrier(phba); | |
f4b4c68f | 1487 | spin_lock_irq(&phba->hbalock); |
09372820 | 1488 | lpfc_sli_brdreset(phba); |
f4b4c68f | 1489 | spin_unlock_irq(&phba->hbalock); |
09372820 JS |
1490 | lpfc_hba_down_post(phba); |
1491 | lpfc_sli_brdready(phba, HS_MBRDY); | |
1492 | lpfc_unblock_mgmt_io(phba); | |
1493 | phba->link_state = LPFC_HBA_ERROR; | |
1494 | return; | |
1495 | } | |
1496 | ||
da0436e9 JS |
1497 | /** |
1498 | * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention | |
1499 | * @phba: pointer to lpfc hba data structure. | |
1500 | * | |
1501 | * This routine is called to bring a SLI4 HBA offline when HBA hardware error | |
1502 | * other than Port Error 6 has been detected. | |
1503 | **/ | |
a88dbb6a | 1504 | void |
da0436e9 JS |
1505 | lpfc_sli4_offline_eratt(struct lpfc_hba *phba) |
1506 | { | |
946727dc JS |
1507 | spin_lock_irq(&phba->hbalock); |
1508 | phba->link_state = LPFC_HBA_ERROR; | |
1509 | spin_unlock_irq(&phba->hbalock); | |
1510 | ||
618a5230 | 1511 | lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); |
da0436e9 | 1512 | lpfc_offline(phba); |
da0436e9 | 1513 | lpfc_hba_down_post(phba); |
da0436e9 | 1514 | lpfc_unblock_mgmt_io(phba); |
da0436e9 JS |
1515 | } |
1516 | ||
a257bf90 JS |
1517 | /** |
1518 | * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler | |
1519 | * @phba: pointer to lpfc hba data structure. | |
1520 | * | |
1521 | * This routine is invoked to handle the deferred HBA hardware error | |
1522 | * conditions. This type of error is indicated by HBA by setting ER1 | |
1523 | * and another ER bit in the host status register. The driver will | |
1524 | * wait until the ER1 bit clears before handling the error condition. | |
1525 | **/ | |
1526 | static void | |
1527 | lpfc_handle_deferred_eratt(struct lpfc_hba *phba) | |
1528 | { | |
1529 | uint32_t old_host_status = phba->work_hs; | |
a257bf90 JS |
1530 | struct lpfc_sli *psli = &phba->sli; |
1531 | ||
f4b4c68f JS |
1532 | /* If the pci channel is offline, ignore possible errors, |
1533 | * since we cannot communicate with the pci card anyway. | |
1534 | */ | |
1535 | if (pci_channel_offline(phba->pcidev)) { | |
1536 | spin_lock_irq(&phba->hbalock); | |
1537 | phba->hba_flag &= ~DEFER_ERATT; | |
1538 | spin_unlock_irq(&phba->hbalock); | |
1539 | return; | |
1540 | } | |
1541 | ||
a257bf90 JS |
1542 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
1543 | "0479 Deferred Adapter Hardware Error " | |
1544 | "Data: x%x x%x x%x\n", | |
1545 | phba->work_hs, | |
1546 | phba->work_status[0], phba->work_status[1]); | |
1547 | ||
1548 | spin_lock_irq(&phba->hbalock); | |
f4b4c68f | 1549 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
a257bf90 JS |
1550 | spin_unlock_irq(&phba->hbalock); |
1551 | ||
1552 | ||
1553 | /* | |
1554 | * Firmware stops when it triggred erratt. That could cause the I/Os | |
1555 | * dropped by the firmware. Error iocb (I/O) on txcmplq and let the | |
1556 | * SCSI layer retry it after re-establishing link. | |
1557 | */ | |
db55fba8 | 1558 | lpfc_sli_abort_fcp_rings(phba); |
a257bf90 JS |
1559 | |
1560 | /* | |
1561 | * There was a firmware error. Take the hba offline and then | |
1562 | * attempt to restart it. | |
1563 | */ | |
618a5230 | 1564 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
a257bf90 JS |
1565 | lpfc_offline(phba); |
1566 | ||
1567 | /* Wait for the ER1 bit to clear.*/ | |
1568 | while (phba->work_hs & HS_FFER1) { | |
1569 | msleep(100); | |
9940b97b JS |
1570 | if (lpfc_readl(phba->HSregaddr, &phba->work_hs)) { |
1571 | phba->work_hs = UNPLUG_ERR ; | |
1572 | break; | |
1573 | } | |
a257bf90 JS |
1574 | /* If driver is unloading let the worker thread continue */ |
1575 | if (phba->pport->load_flag & FC_UNLOADING) { | |
1576 | phba->work_hs = 0; | |
1577 | break; | |
1578 | } | |
1579 | } | |
1580 | ||
1581 | /* | |
1582 | * This is to ptrotect against a race condition in which | |
1583 | * first write to the host attention register clear the | |
1584 | * host status register. | |
1585 | */ | |
1586 | if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING))) | |
1587 | phba->work_hs = old_host_status & ~HS_FFER1; | |
1588 | ||
3772a991 | 1589 | spin_lock_irq(&phba->hbalock); |
a257bf90 | 1590 | phba->hba_flag &= ~DEFER_ERATT; |
3772a991 | 1591 | spin_unlock_irq(&phba->hbalock); |
a257bf90 JS |
1592 | phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); |
1593 | phba->work_status[1] = readl(phba->MBslimaddr + 0xac); | |
1594 | } | |
1595 | ||
3772a991 JS |
1596 | static void |
1597 | lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba) | |
1598 | { | |
1599 | struct lpfc_board_event_header board_event; | |
1600 | struct Scsi_Host *shost; | |
1601 | ||
1602 | board_event.event_type = FC_REG_BOARD_EVENT; | |
1603 | board_event.subcategory = LPFC_EVENT_PORTINTERR; | |
1604 | shost = lpfc_shost_from_vport(phba->pport); | |
1605 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1606 | sizeof(board_event), | |
1607 | (char *) &board_event, | |
1608 | LPFC_NL_VENDOR_ID); | |
1609 | } | |
1610 | ||
e59058c4 | 1611 | /** |
3772a991 | 1612 | * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler |
e59058c4 JS |
1613 | * @phba: pointer to lpfc hba data structure. |
1614 | * | |
1615 | * This routine is invoked to handle the following HBA hardware error | |
1616 | * conditions: | |
1617 | * 1 - HBA error attention interrupt | |
1618 | * 2 - DMA ring index out of range | |
1619 | * 3 - Mailbox command came back as unknown | |
1620 | **/ | |
3772a991 JS |
1621 | static void |
1622 | lpfc_handle_eratt_s3(struct lpfc_hba *phba) | |
dea3101e | 1623 | { |
2e0fef85 | 1624 | struct lpfc_vport *vport = phba->pport; |
2e0fef85 | 1625 | struct lpfc_sli *psli = &phba->sli; |
d2873e4c | 1626 | uint32_t event_data; |
57127f15 JS |
1627 | unsigned long temperature; |
1628 | struct temp_event temp_event_data; | |
92d7f7b0 | 1629 | struct Scsi_Host *shost; |
2e0fef85 | 1630 | |
8d63f375 | 1631 | /* If the pci channel is offline, ignore possible errors, |
3772a991 JS |
1632 | * since we cannot communicate with the pci card anyway. |
1633 | */ | |
1634 | if (pci_channel_offline(phba->pcidev)) { | |
1635 | spin_lock_irq(&phba->hbalock); | |
1636 | phba->hba_flag &= ~DEFER_ERATT; | |
1637 | spin_unlock_irq(&phba->hbalock); | |
8d63f375 | 1638 | return; |
3772a991 JS |
1639 | } |
1640 | ||
13815c83 JS |
1641 | /* If resets are disabled then leave the HBA alone and return */ |
1642 | if (!phba->cfg_enable_hba_reset) | |
1643 | return; | |
dea3101e | 1644 | |
ea2151b4 | 1645 | /* Send an internal error event to mgmt application */ |
3772a991 | 1646 | lpfc_board_errevt_to_mgmt(phba); |
ea2151b4 | 1647 | |
a257bf90 JS |
1648 | if (phba->hba_flag & DEFER_ERATT) |
1649 | lpfc_handle_deferred_eratt(phba); | |
1650 | ||
dcf2a4e0 JS |
1651 | if ((phba->work_hs & HS_FFER6) || (phba->work_hs & HS_FFER8)) { |
1652 | if (phba->work_hs & HS_FFER6) | |
1653 | /* Re-establishing Link */ | |
1654 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
1655 | "1301 Re-establishing Link " | |
1656 | "Data: x%x x%x x%x\n", | |
1657 | phba->work_hs, phba->work_status[0], | |
1658 | phba->work_status[1]); | |
1659 | if (phba->work_hs & HS_FFER8) | |
1660 | /* Device Zeroization */ | |
1661 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
1662 | "2861 Host Authentication device " | |
1663 | "zeroization Data:x%x x%x x%x\n", | |
1664 | phba->work_hs, phba->work_status[0], | |
1665 | phba->work_status[1]); | |
58da1ffb | 1666 | |
92d7f7b0 | 1667 | spin_lock_irq(&phba->hbalock); |
f4b4c68f | 1668 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
92d7f7b0 | 1669 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1670 | |
1671 | /* | |
1672 | * Firmware stops when it triggled erratt with HS_FFER6. | |
1673 | * That could cause the I/Os dropped by the firmware. | |
1674 | * Error iocb (I/O) on txcmplq and let the SCSI layer | |
1675 | * retry it after re-establishing link. | |
1676 | */ | |
db55fba8 | 1677 | lpfc_sli_abort_fcp_rings(phba); |
dea3101e | 1678 | |
dea3101e JB |
1679 | /* |
1680 | * There was a firmware error. Take the hba offline and then | |
1681 | * attempt to restart it. | |
1682 | */ | |
618a5230 | 1683 | lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); |
dea3101e | 1684 | lpfc_offline(phba); |
41415862 | 1685 | lpfc_sli_brdrestart(phba); |
dea3101e | 1686 | if (lpfc_online(phba) == 0) { /* Initialize the HBA */ |
46fa311e | 1687 | lpfc_unblock_mgmt_io(phba); |
dea3101e JB |
1688 | return; |
1689 | } | |
46fa311e | 1690 | lpfc_unblock_mgmt_io(phba); |
57127f15 JS |
1691 | } else if (phba->work_hs & HS_CRIT_TEMP) { |
1692 | temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET); | |
1693 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
1694 | temp_event_data.event_code = LPFC_CRIT_TEMP; | |
1695 | temp_event_data.data = (uint32_t)temperature; | |
1696 | ||
1697 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 1698 | "0406 Adapter maximum temperature exceeded " |
57127f15 JS |
1699 | "(%ld), taking this port offline " |
1700 | "Data: x%x x%x x%x\n", | |
1701 | temperature, phba->work_hs, | |
1702 | phba->work_status[0], phba->work_status[1]); | |
1703 | ||
1704 | shost = lpfc_shost_from_vport(phba->pport); | |
1705 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1706 | sizeof(temp_event_data), | |
1707 | (char *) &temp_event_data, | |
1708 | SCSI_NL_VID_TYPE_PCI | |
1709 | | PCI_VENDOR_ID_EMULEX); | |
1710 | ||
7af67051 | 1711 | spin_lock_irq(&phba->hbalock); |
7af67051 JS |
1712 | phba->over_temp_state = HBA_OVER_TEMP; |
1713 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 1714 | lpfc_offline_eratt(phba); |
57127f15 | 1715 | |
dea3101e JB |
1716 | } else { |
1717 | /* The if clause above forces this code path when the status | |
9399627f JS |
1718 | * failure is a value other than FFER6. Do not call the offline |
1719 | * twice. This is the adapter hardware error path. | |
dea3101e JB |
1720 | */ |
1721 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 | 1722 | "0457 Adapter Hardware Error " |
dea3101e | 1723 | "Data: x%x x%x x%x\n", |
e8b62011 | 1724 | phba->work_hs, |
dea3101e JB |
1725 | phba->work_status[0], phba->work_status[1]); |
1726 | ||
d2873e4c | 1727 | event_data = FC_REG_DUMP_EVENT; |
92d7f7b0 | 1728 | shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1729 | fc_host_post_vendor_event(shost, fc_get_event_number(), |
d2873e4c JS |
1730 | sizeof(event_data), (char *) &event_data, |
1731 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
1732 | ||
09372820 | 1733 | lpfc_offline_eratt(phba); |
dea3101e | 1734 | } |
9399627f | 1735 | return; |
dea3101e JB |
1736 | } |
1737 | ||
618a5230 JS |
1738 | /** |
1739 | * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg | |
1740 | * @phba: pointer to lpfc hba data structure. | |
1741 | * @mbx_action: flag for mailbox shutdown action. | |
1742 | * | |
1743 | * This routine is invoked to perform an SLI4 port PCI function reset in | |
1744 | * response to port status register polling attention. It waits for port | |
1745 | * status register (ERR, RDY, RN) bits before proceeding with function reset. | |
1746 | * During this process, interrupt vectors are freed and later requested | |
1747 | * for handling possible port resource change. | |
1748 | **/ | |
1749 | static int | |
e10b2022 JS |
1750 | lpfc_sli4_port_sta_fn_reset(struct lpfc_hba *phba, int mbx_action, |
1751 | bool en_rn_msg) | |
618a5230 JS |
1752 | { |
1753 | int rc; | |
1754 | uint32_t intr_mode; | |
1755 | ||
65791f1f JS |
1756 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == |
1757 | LPFC_SLI_INTF_IF_TYPE_2) { | |
1758 | /* | |
1759 | * On error status condition, driver need to wait for port | |
1760 | * ready before performing reset. | |
1761 | */ | |
1762 | rc = lpfc_sli4_pdev_status_reg_wait(phba); | |
0e916ee7 | 1763 | if (rc) |
65791f1f JS |
1764 | return rc; |
1765 | } | |
0e916ee7 | 1766 | |
65791f1f JS |
1767 | /* need reset: attempt for port recovery */ |
1768 | if (en_rn_msg) | |
1769 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1770 | "2887 Reset Needed: Attempting Port " | |
1771 | "Recovery...\n"); | |
1772 | lpfc_offline_prep(phba, mbx_action); | |
1773 | lpfc_offline(phba); | |
1774 | /* release interrupt for possible resource change */ | |
1775 | lpfc_sli4_disable_intr(phba); | |
1776 | lpfc_sli_brdrestart(phba); | |
1777 | /* request and enable interrupt */ | |
1778 | intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); | |
1779 | if (intr_mode == LPFC_INTR_ERROR) { | |
1780 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1781 | "3175 Failed to enable interrupt\n"); | |
1782 | return -EIO; | |
618a5230 | 1783 | } |
65791f1f JS |
1784 | phba->intr_mode = intr_mode; |
1785 | rc = lpfc_online(phba); | |
1786 | if (rc == 0) | |
1787 | lpfc_unblock_mgmt_io(phba); | |
1788 | ||
618a5230 JS |
1789 | return rc; |
1790 | } | |
1791 | ||
da0436e9 JS |
1792 | /** |
1793 | * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler | |
1794 | * @phba: pointer to lpfc hba data structure. | |
1795 | * | |
1796 | * This routine is invoked to handle the SLI4 HBA hardware error attention | |
1797 | * conditions. | |
1798 | **/ | |
1799 | static void | |
1800 | lpfc_handle_eratt_s4(struct lpfc_hba *phba) | |
1801 | { | |
1802 | struct lpfc_vport *vport = phba->pport; | |
1803 | uint32_t event_data; | |
1804 | struct Scsi_Host *shost; | |
2fcee4bf | 1805 | uint32_t if_type; |
2e90f4b5 JS |
1806 | struct lpfc_register portstat_reg = {0}; |
1807 | uint32_t reg_err1, reg_err2; | |
1808 | uint32_t uerrlo_reg, uemasklo_reg; | |
65791f1f | 1809 | uint32_t smphr_port_status = 0, pci_rd_rc1, pci_rd_rc2; |
e10b2022 | 1810 | bool en_rn_msg = true; |
946727dc | 1811 | struct temp_event temp_event_data; |
65791f1f JS |
1812 | struct lpfc_register portsmphr_reg; |
1813 | int rc, i; | |
da0436e9 JS |
1814 | |
1815 | /* If the pci channel is offline, ignore possible errors, since | |
1816 | * we cannot communicate with the pci card anyway. | |
1817 | */ | |
1818 | if (pci_channel_offline(phba->pcidev)) | |
1819 | return; | |
da0436e9 | 1820 | |
65791f1f | 1821 | memset(&portsmphr_reg, 0, sizeof(portsmphr_reg)); |
2fcee4bf JS |
1822 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
1823 | switch (if_type) { | |
1824 | case LPFC_SLI_INTF_IF_TYPE_0: | |
2e90f4b5 JS |
1825 | pci_rd_rc1 = lpfc_readl( |
1826 | phba->sli4_hba.u.if_type0.UERRLOregaddr, | |
1827 | &uerrlo_reg); | |
1828 | pci_rd_rc2 = lpfc_readl( | |
1829 | phba->sli4_hba.u.if_type0.UEMASKLOregaddr, | |
1830 | &uemasklo_reg); | |
1831 | /* consider PCI bus read error as pci_channel_offline */ | |
1832 | if (pci_rd_rc1 == -EIO && pci_rd_rc2 == -EIO) | |
1833 | return; | |
65791f1f JS |
1834 | if (!(phba->hba_flag & HBA_RECOVERABLE_UE)) { |
1835 | lpfc_sli4_offline_eratt(phba); | |
1836 | return; | |
1837 | } | |
1838 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1839 | "7623 Checking UE recoverable"); | |
1840 | ||
1841 | for (i = 0; i < phba->sli4_hba.ue_to_sr / 1000; i++) { | |
1842 | if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr, | |
1843 | &portsmphr_reg.word0)) | |
1844 | continue; | |
1845 | ||
1846 | smphr_port_status = bf_get(lpfc_port_smphr_port_status, | |
1847 | &portsmphr_reg); | |
1848 | if ((smphr_port_status & LPFC_PORT_SEM_MASK) == | |
1849 | LPFC_PORT_SEM_UE_RECOVERABLE) | |
1850 | break; | |
1851 | /*Sleep for 1Sec, before checking SEMAPHORE */ | |
1852 | msleep(1000); | |
1853 | } | |
1854 | ||
1855 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1856 | "4827 smphr_port_status x%x : Waited %dSec", | |
1857 | smphr_port_status, i); | |
1858 | ||
1859 | /* Recoverable UE, reset the HBA device */ | |
1860 | if ((smphr_port_status & LPFC_PORT_SEM_MASK) == | |
1861 | LPFC_PORT_SEM_UE_RECOVERABLE) { | |
1862 | for (i = 0; i < 20; i++) { | |
1863 | msleep(1000); | |
1864 | if (!lpfc_readl(phba->sli4_hba.PSMPHRregaddr, | |
1865 | &portsmphr_reg.word0) && | |
1866 | (LPFC_POST_STAGE_PORT_READY == | |
1867 | bf_get(lpfc_port_smphr_port_status, | |
1868 | &portsmphr_reg))) { | |
1869 | rc = lpfc_sli4_port_sta_fn_reset(phba, | |
1870 | LPFC_MBX_NO_WAIT, en_rn_msg); | |
1871 | if (rc == 0) | |
1872 | return; | |
1873 | lpfc_printf_log(phba, | |
1874 | KERN_ERR, LOG_INIT, | |
1875 | "4215 Failed to recover UE"); | |
1876 | break; | |
1877 | } | |
1878 | } | |
1879 | } | |
1880 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1881 | "7624 Firmware not ready: Failing UE recovery," | |
1882 | " waited %dSec", i); | |
2fcee4bf JS |
1883 | lpfc_sli4_offline_eratt(phba); |
1884 | break; | |
946727dc | 1885 | |
2fcee4bf | 1886 | case LPFC_SLI_INTF_IF_TYPE_2: |
2e90f4b5 JS |
1887 | pci_rd_rc1 = lpfc_readl( |
1888 | phba->sli4_hba.u.if_type2.STATUSregaddr, | |
1889 | &portstat_reg.word0); | |
1890 | /* consider PCI bus read error as pci_channel_offline */ | |
6b5151fd JS |
1891 | if (pci_rd_rc1 == -EIO) { |
1892 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1893 | "3151 PCI bus read access failure: x%x\n", | |
1894 | readl(phba->sli4_hba.u.if_type2.STATUSregaddr)); | |
2e90f4b5 | 1895 | return; |
6b5151fd | 1896 | } |
2e90f4b5 JS |
1897 | reg_err1 = readl(phba->sli4_hba.u.if_type2.ERR1regaddr); |
1898 | reg_err2 = readl(phba->sli4_hba.u.if_type2.ERR2regaddr); | |
2fcee4bf | 1899 | if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) { |
2fcee4bf JS |
1900 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
1901 | "2889 Port Overtemperature event, " | |
946727dc JS |
1902 | "taking port offline Data: x%x x%x\n", |
1903 | reg_err1, reg_err2); | |
1904 | ||
310429ef | 1905 | phba->sfp_alarm |= LPFC_TRANSGRESSION_HIGH_TEMPERATURE; |
946727dc JS |
1906 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; |
1907 | temp_event_data.event_code = LPFC_CRIT_TEMP; | |
1908 | temp_event_data.data = 0xFFFFFFFF; | |
1909 | ||
1910 | shost = lpfc_shost_from_vport(phba->pport); | |
1911 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1912 | sizeof(temp_event_data), | |
1913 | (char *)&temp_event_data, | |
1914 | SCSI_NL_VID_TYPE_PCI | |
1915 | | PCI_VENDOR_ID_EMULEX); | |
1916 | ||
2fcee4bf JS |
1917 | spin_lock_irq(&phba->hbalock); |
1918 | phba->over_temp_state = HBA_OVER_TEMP; | |
1919 | spin_unlock_irq(&phba->hbalock); | |
1920 | lpfc_sli4_offline_eratt(phba); | |
946727dc | 1921 | return; |
2fcee4bf | 1922 | } |
2e90f4b5 | 1923 | if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && |
e10b2022 | 1924 | reg_err2 == SLIPORT_ERR2_REG_FW_RESTART) { |
2e90f4b5 | 1925 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e10b2022 JS |
1926 | "3143 Port Down: Firmware Update " |
1927 | "Detected\n"); | |
1928 | en_rn_msg = false; | |
1929 | } else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && | |
2e90f4b5 JS |
1930 | reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP) |
1931 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1932 | "3144 Port Down: Debug Dump\n"); | |
1933 | else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && | |
1934 | reg_err2 == SLIPORT_ERR2_REG_FUNC_PROVISON) | |
1935 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1936 | "3145 Port Down: Provisioning\n"); | |
618a5230 | 1937 | |
946727dc JS |
1938 | /* If resets are disabled then leave the HBA alone and return */ |
1939 | if (!phba->cfg_enable_hba_reset) | |
1940 | return; | |
1941 | ||
618a5230 | 1942 | /* Check port status register for function reset */ |
e10b2022 JS |
1943 | rc = lpfc_sli4_port_sta_fn_reset(phba, LPFC_MBX_NO_WAIT, |
1944 | en_rn_msg); | |
618a5230 JS |
1945 | if (rc == 0) { |
1946 | /* don't report event on forced debug dump */ | |
1947 | if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && | |
1948 | reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP) | |
1949 | return; | |
1950 | else | |
1951 | break; | |
2fcee4bf | 1952 | } |
618a5230 | 1953 | /* fall through for not able to recover */ |
6b5151fd JS |
1954 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
1955 | "3152 Unrecoverable error, bring the port " | |
1956 | "offline\n"); | |
2fcee4bf JS |
1957 | lpfc_sli4_offline_eratt(phba); |
1958 | break; | |
1959 | case LPFC_SLI_INTF_IF_TYPE_1: | |
1960 | default: | |
1961 | break; | |
1962 | } | |
2e90f4b5 JS |
1963 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
1964 | "3123 Report dump event to upper layer\n"); | |
1965 | /* Send an internal error event to mgmt application */ | |
1966 | lpfc_board_errevt_to_mgmt(phba); | |
1967 | ||
1968 | event_data = FC_REG_DUMP_EVENT; | |
1969 | shost = lpfc_shost_from_vport(vport); | |
1970 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1971 | sizeof(event_data), (char *) &event_data, | |
1972 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
da0436e9 JS |
1973 | } |
1974 | ||
1975 | /** | |
1976 | * lpfc_handle_eratt - Wrapper func for handling hba error attention | |
1977 | * @phba: pointer to lpfc HBA data structure. | |
1978 | * | |
1979 | * This routine wraps the actual SLI3 or SLI4 hba error attention handling | |
1980 | * routine from the API jump table function pointer from the lpfc_hba struct. | |
1981 | * | |
1982 | * Return codes | |
af901ca1 | 1983 | * 0 - success. |
da0436e9 JS |
1984 | * Any other value - error. |
1985 | **/ | |
1986 | void | |
1987 | lpfc_handle_eratt(struct lpfc_hba *phba) | |
1988 | { | |
1989 | (*phba->lpfc_handle_eratt)(phba); | |
1990 | } | |
1991 | ||
e59058c4 | 1992 | /** |
3621a710 | 1993 | * lpfc_handle_latt - The HBA link event handler |
e59058c4 JS |
1994 | * @phba: pointer to lpfc hba data structure. |
1995 | * | |
1996 | * This routine is invoked from the worker thread to handle a HBA host | |
895427bd | 1997 | * attention link event. SLI3 only. |
e59058c4 | 1998 | **/ |
dea3101e | 1999 | void |
2e0fef85 | 2000 | lpfc_handle_latt(struct lpfc_hba *phba) |
dea3101e | 2001 | { |
2e0fef85 JS |
2002 | struct lpfc_vport *vport = phba->pport; |
2003 | struct lpfc_sli *psli = &phba->sli; | |
dea3101e JB |
2004 | LPFC_MBOXQ_t *pmb; |
2005 | volatile uint32_t control; | |
2006 | struct lpfc_dmabuf *mp; | |
09372820 | 2007 | int rc = 0; |
dea3101e JB |
2008 | |
2009 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
09372820 JS |
2010 | if (!pmb) { |
2011 | rc = 1; | |
dea3101e | 2012 | goto lpfc_handle_latt_err_exit; |
09372820 | 2013 | } |
dea3101e JB |
2014 | |
2015 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
09372820 JS |
2016 | if (!mp) { |
2017 | rc = 2; | |
dea3101e | 2018 | goto lpfc_handle_latt_free_pmb; |
09372820 | 2019 | } |
dea3101e JB |
2020 | |
2021 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
09372820 JS |
2022 | if (!mp->virt) { |
2023 | rc = 3; | |
dea3101e | 2024 | goto lpfc_handle_latt_free_mp; |
09372820 | 2025 | } |
dea3101e | 2026 | |
6281bfe0 | 2027 | /* Cleanup any outstanding ELS commands */ |
549e55cd | 2028 | lpfc_els_flush_all_cmd(phba); |
dea3101e JB |
2029 | |
2030 | psli->slistat.link_event++; | |
76a95d75 JS |
2031 | lpfc_read_topology(phba, pmb, mp); |
2032 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; | |
2e0fef85 | 2033 | pmb->vport = vport; |
0d2b6b83 | 2034 | /* Block ELS IOCBs until we have processed this mbox command */ |
895427bd | 2035 | phba->sli.sli3_ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; |
0b727fea | 2036 | rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT); |
09372820 JS |
2037 | if (rc == MBX_NOT_FINISHED) { |
2038 | rc = 4; | |
14691150 | 2039 | goto lpfc_handle_latt_free_mbuf; |
09372820 | 2040 | } |
dea3101e JB |
2041 | |
2042 | /* Clear Link Attention in HA REG */ | |
2e0fef85 | 2043 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
2044 | writel(HA_LATT, phba->HAregaddr); |
2045 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 2046 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
2047 | |
2048 | return; | |
2049 | ||
14691150 | 2050 | lpfc_handle_latt_free_mbuf: |
895427bd | 2051 | phba->sli.sli3_ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; |
14691150 | 2052 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e JB |
2053 | lpfc_handle_latt_free_mp: |
2054 | kfree(mp); | |
2055 | lpfc_handle_latt_free_pmb: | |
1dcb58e5 | 2056 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e JB |
2057 | lpfc_handle_latt_err_exit: |
2058 | /* Enable Link attention interrupts */ | |
2e0fef85 | 2059 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
2060 | psli->sli_flag |= LPFC_PROCESS_LA; |
2061 | control = readl(phba->HCregaddr); | |
2062 | control |= HC_LAINT_ENA; | |
2063 | writel(control, phba->HCregaddr); | |
2064 | readl(phba->HCregaddr); /* flush */ | |
2065 | ||
2066 | /* Clear Link Attention in HA REG */ | |
2067 | writel(HA_LATT, phba->HAregaddr); | |
2068 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 2069 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2070 | lpfc_linkdown(phba); |
2e0fef85 | 2071 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 2072 | |
09372820 JS |
2073 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
2074 | "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc); | |
dea3101e JB |
2075 | |
2076 | return; | |
2077 | } | |
2078 | ||
e59058c4 | 2079 | /** |
3621a710 | 2080 | * lpfc_parse_vpd - Parse VPD (Vital Product Data) |
e59058c4 JS |
2081 | * @phba: pointer to lpfc hba data structure. |
2082 | * @vpd: pointer to the vital product data. | |
2083 | * @len: length of the vital product data in bytes. | |
2084 | * | |
2085 | * This routine parses the Vital Product Data (VPD). The VPD is treated as | |
2086 | * an array of characters. In this routine, the ModelName, ProgramType, and | |
2087 | * ModelDesc, etc. fields of the phba data structure will be populated. | |
2088 | * | |
2089 | * Return codes | |
2090 | * 0 - pointer to the VPD passed in is NULL | |
2091 | * 1 - success | |
2092 | **/ | |
3772a991 | 2093 | int |
2e0fef85 | 2094 | lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) |
dea3101e JB |
2095 | { |
2096 | uint8_t lenlo, lenhi; | |
07da60c1 | 2097 | int Length; |
dea3101e JB |
2098 | int i, j; |
2099 | int finished = 0; | |
2100 | int index = 0; | |
2101 | ||
2102 | if (!vpd) | |
2103 | return 0; | |
2104 | ||
2105 | /* Vital Product */ | |
ed957684 | 2106 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 | 2107 | "0455 Vital Product Data: x%x x%x x%x x%x\n", |
dea3101e JB |
2108 | (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], |
2109 | (uint32_t) vpd[3]); | |
74b72a59 | 2110 | while (!finished && (index < (len - 4))) { |
dea3101e JB |
2111 | switch (vpd[index]) { |
2112 | case 0x82: | |
74b72a59 | 2113 | case 0x91: |
dea3101e JB |
2114 | index += 1; |
2115 | lenlo = vpd[index]; | |
2116 | index += 1; | |
2117 | lenhi = vpd[index]; | |
2118 | index += 1; | |
2119 | i = ((((unsigned short)lenhi) << 8) + lenlo); | |
2120 | index += i; | |
2121 | break; | |
2122 | case 0x90: | |
2123 | index += 1; | |
2124 | lenlo = vpd[index]; | |
2125 | index += 1; | |
2126 | lenhi = vpd[index]; | |
2127 | index += 1; | |
2128 | Length = ((((unsigned short)lenhi) << 8) + lenlo); | |
74b72a59 JW |
2129 | if (Length > len - index) |
2130 | Length = len - index; | |
dea3101e JB |
2131 | while (Length > 0) { |
2132 | /* Look for Serial Number */ | |
2133 | if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { | |
2134 | index += 2; | |
2135 | i = vpd[index]; | |
2136 | index += 1; | |
2137 | j = 0; | |
2138 | Length -= (3+i); | |
2139 | while(i--) { | |
2140 | phba->SerialNumber[j++] = vpd[index++]; | |
2141 | if (j == 31) | |
2142 | break; | |
2143 | } | |
2144 | phba->SerialNumber[j] = 0; | |
2145 | continue; | |
2146 | } | |
2147 | else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { | |
2148 | phba->vpd_flag |= VPD_MODEL_DESC; | |
2149 | index += 2; | |
2150 | i = vpd[index]; | |
2151 | index += 1; | |
2152 | j = 0; | |
2153 | Length -= (3+i); | |
2154 | while(i--) { | |
2155 | phba->ModelDesc[j++] = vpd[index++]; | |
2156 | if (j == 255) | |
2157 | break; | |
2158 | } | |
2159 | phba->ModelDesc[j] = 0; | |
2160 | continue; | |
2161 | } | |
2162 | else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { | |
2163 | phba->vpd_flag |= VPD_MODEL_NAME; | |
2164 | index += 2; | |
2165 | i = vpd[index]; | |
2166 | index += 1; | |
2167 | j = 0; | |
2168 | Length -= (3+i); | |
2169 | while(i--) { | |
2170 | phba->ModelName[j++] = vpd[index++]; | |
2171 | if (j == 79) | |
2172 | break; | |
2173 | } | |
2174 | phba->ModelName[j] = 0; | |
2175 | continue; | |
2176 | } | |
2177 | else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { | |
2178 | phba->vpd_flag |= VPD_PROGRAM_TYPE; | |
2179 | index += 2; | |
2180 | i = vpd[index]; | |
2181 | index += 1; | |
2182 | j = 0; | |
2183 | Length -= (3+i); | |
2184 | while(i--) { | |
2185 | phba->ProgramType[j++] = vpd[index++]; | |
2186 | if (j == 255) | |
2187 | break; | |
2188 | } | |
2189 | phba->ProgramType[j] = 0; | |
2190 | continue; | |
2191 | } | |
2192 | else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { | |
2193 | phba->vpd_flag |= VPD_PORT; | |
2194 | index += 2; | |
2195 | i = vpd[index]; | |
2196 | index += 1; | |
2197 | j = 0; | |
2198 | Length -= (3+i); | |
2199 | while(i--) { | |
cd1c8301 JS |
2200 | if ((phba->sli_rev == LPFC_SLI_REV4) && |
2201 | (phba->sli4_hba.pport_name_sta == | |
2202 | LPFC_SLI4_PPNAME_GET)) { | |
2203 | j++; | |
2204 | index++; | |
2205 | } else | |
2206 | phba->Port[j++] = vpd[index++]; | |
2207 | if (j == 19) | |
2208 | break; | |
dea3101e | 2209 | } |
cd1c8301 JS |
2210 | if ((phba->sli_rev != LPFC_SLI_REV4) || |
2211 | (phba->sli4_hba.pport_name_sta == | |
2212 | LPFC_SLI4_PPNAME_NON)) | |
2213 | phba->Port[j] = 0; | |
dea3101e JB |
2214 | continue; |
2215 | } | |
2216 | else { | |
2217 | index += 2; | |
2218 | i = vpd[index]; | |
2219 | index += 1; | |
2220 | index += i; | |
2221 | Length -= (3 + i); | |
2222 | } | |
2223 | } | |
2224 | finished = 0; | |
2225 | break; | |
2226 | case 0x78: | |
2227 | finished = 1; | |
2228 | break; | |
2229 | default: | |
2230 | index ++; | |
2231 | break; | |
2232 | } | |
74b72a59 | 2233 | } |
dea3101e JB |
2234 | |
2235 | return(1); | |
2236 | } | |
2237 | ||
e59058c4 | 2238 | /** |
3621a710 | 2239 | * lpfc_get_hba_model_desc - Retrieve HBA device model name and description |
e59058c4 JS |
2240 | * @phba: pointer to lpfc hba data structure. |
2241 | * @mdp: pointer to the data structure to hold the derived model name. | |
2242 | * @descp: pointer to the data structure to hold the derived description. | |
2243 | * | |
2244 | * This routine retrieves HBA's description based on its registered PCI device | |
2245 | * ID. The @descp passed into this function points to an array of 256 chars. It | |
2246 | * shall be returned with the model name, maximum speed, and the host bus type. | |
2247 | * The @mdp passed into this function points to an array of 80 chars. When the | |
2248 | * function returns, the @mdp will be filled with the model name. | |
2249 | **/ | |
dea3101e | 2250 | static void |
2e0fef85 | 2251 | lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) |
dea3101e JB |
2252 | { |
2253 | lpfc_vpd_t *vp; | |
fefcb2b6 | 2254 | uint16_t dev_id = phba->pcidev->device; |
74b72a59 | 2255 | int max_speed; |
84774a4d | 2256 | int GE = 0; |
da0436e9 | 2257 | int oneConnect = 0; /* default is not a oneConnect */ |
74b72a59 | 2258 | struct { |
a747c9ce JS |
2259 | char *name; |
2260 | char *bus; | |
2261 | char *function; | |
2262 | } m = {"<Unknown>", "", ""}; | |
74b72a59 JW |
2263 | |
2264 | if (mdp && mdp[0] != '\0' | |
2265 | && descp && descp[0] != '\0') | |
2266 | return; | |
2267 | ||
d38dd52c JS |
2268 | if (phba->lmt & LMT_32Gb) |
2269 | max_speed = 32; | |
2270 | else if (phba->lmt & LMT_16Gb) | |
c0c11512 JS |
2271 | max_speed = 16; |
2272 | else if (phba->lmt & LMT_10Gb) | |
74b72a59 JW |
2273 | max_speed = 10; |
2274 | else if (phba->lmt & LMT_8Gb) | |
2275 | max_speed = 8; | |
2276 | else if (phba->lmt & LMT_4Gb) | |
2277 | max_speed = 4; | |
2278 | else if (phba->lmt & LMT_2Gb) | |
2279 | max_speed = 2; | |
4169d868 | 2280 | else if (phba->lmt & LMT_1Gb) |
74b72a59 | 2281 | max_speed = 1; |
4169d868 JS |
2282 | else |
2283 | max_speed = 0; | |
dea3101e JB |
2284 | |
2285 | vp = &phba->vpd; | |
dea3101e | 2286 | |
e4adb204 | 2287 | switch (dev_id) { |
06325e74 | 2288 | case PCI_DEVICE_ID_FIREFLY: |
12222f4f JS |
2289 | m = (typeof(m)){"LP6000", "PCI", |
2290 | "Obsolete, Unsupported Fibre Channel Adapter"}; | |
06325e74 | 2291 | break; |
dea3101e JB |
2292 | case PCI_DEVICE_ID_SUPERFLY: |
2293 | if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) | |
12222f4f | 2294 | m = (typeof(m)){"LP7000", "PCI", ""}; |
dea3101e | 2295 | else |
12222f4f JS |
2296 | m = (typeof(m)){"LP7000E", "PCI", ""}; |
2297 | m.function = "Obsolete, Unsupported Fibre Channel Adapter"; | |
dea3101e JB |
2298 | break; |
2299 | case PCI_DEVICE_ID_DRAGONFLY: | |
a747c9ce | 2300 | m = (typeof(m)){"LP8000", "PCI", |
12222f4f | 2301 | "Obsolete, Unsupported Fibre Channel Adapter"}; |
dea3101e JB |
2302 | break; |
2303 | case PCI_DEVICE_ID_CENTAUR: | |
2304 | if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) | |
12222f4f | 2305 | m = (typeof(m)){"LP9002", "PCI", ""}; |
dea3101e | 2306 | else |
12222f4f JS |
2307 | m = (typeof(m)){"LP9000", "PCI", ""}; |
2308 | m.function = "Obsolete, Unsupported Fibre Channel Adapter"; | |
dea3101e JB |
2309 | break; |
2310 | case PCI_DEVICE_ID_RFLY: | |
a747c9ce | 2311 | m = (typeof(m)){"LP952", "PCI", |
12222f4f | 2312 | "Obsolete, Unsupported Fibre Channel Adapter"}; |
dea3101e JB |
2313 | break; |
2314 | case PCI_DEVICE_ID_PEGASUS: | |
a747c9ce | 2315 | m = (typeof(m)){"LP9802", "PCI-X", |
12222f4f | 2316 | "Obsolete, Unsupported Fibre Channel Adapter"}; |
dea3101e JB |
2317 | break; |
2318 | case PCI_DEVICE_ID_THOR: | |
a747c9ce | 2319 | m = (typeof(m)){"LP10000", "PCI-X", |
12222f4f | 2320 | "Obsolete, Unsupported Fibre Channel Adapter"}; |
dea3101e JB |
2321 | break; |
2322 | case PCI_DEVICE_ID_VIPER: | |
a747c9ce | 2323 | m = (typeof(m)){"LPX1000", "PCI-X", |
12222f4f | 2324 | "Obsolete, Unsupported Fibre Channel Adapter"}; |
dea3101e JB |
2325 | break; |
2326 | case PCI_DEVICE_ID_PFLY: | |
a747c9ce | 2327 | m = (typeof(m)){"LP982", "PCI-X", |
12222f4f | 2328 | "Obsolete, Unsupported Fibre Channel Adapter"}; |
dea3101e JB |
2329 | break; |
2330 | case PCI_DEVICE_ID_TFLY: | |
a747c9ce | 2331 | m = (typeof(m)){"LP1050", "PCI-X", |
12222f4f | 2332 | "Obsolete, Unsupported Fibre Channel Adapter"}; |
dea3101e JB |
2333 | break; |
2334 | case PCI_DEVICE_ID_HELIOS: | |
a747c9ce | 2335 | m = (typeof(m)){"LP11000", "PCI-X2", |
12222f4f | 2336 | "Obsolete, Unsupported Fibre Channel Adapter"}; |
dea3101e | 2337 | break; |
e4adb204 | 2338 | case PCI_DEVICE_ID_HELIOS_SCSP: |
a747c9ce | 2339 | m = (typeof(m)){"LP11000-SP", "PCI-X2", |
12222f4f | 2340 | "Obsolete, Unsupported Fibre Channel Adapter"}; |
e4adb204 JSEC |
2341 | break; |
2342 | case PCI_DEVICE_ID_HELIOS_DCSP: | |
a747c9ce | 2343 | m = (typeof(m)){"LP11002-SP", "PCI-X2", |
12222f4f | 2344 | "Obsolete, Unsupported Fibre Channel Adapter"}; |
e4adb204 JSEC |
2345 | break; |
2346 | case PCI_DEVICE_ID_NEPTUNE: | |
12222f4f JS |
2347 | m = (typeof(m)){"LPe1000", "PCIe", |
2348 | "Obsolete, Unsupported Fibre Channel Adapter"}; | |
e4adb204 JSEC |
2349 | break; |
2350 | case PCI_DEVICE_ID_NEPTUNE_SCSP: | |
12222f4f JS |
2351 | m = (typeof(m)){"LPe1000-SP", "PCIe", |
2352 | "Obsolete, Unsupported Fibre Channel Adapter"}; | |
e4adb204 JSEC |
2353 | break; |
2354 | case PCI_DEVICE_ID_NEPTUNE_DCSP: | |
12222f4f JS |
2355 | m = (typeof(m)){"LPe1002-SP", "PCIe", |
2356 | "Obsolete, Unsupported Fibre Channel Adapter"}; | |
e4adb204 | 2357 | break; |
dea3101e | 2358 | case PCI_DEVICE_ID_BMID: |
a747c9ce | 2359 | m = (typeof(m)){"LP1150", "PCI-X2", "Fibre Channel Adapter"}; |
dea3101e JB |
2360 | break; |
2361 | case PCI_DEVICE_ID_BSMB: | |
12222f4f JS |
2362 | m = (typeof(m)){"LP111", "PCI-X2", |
2363 | "Obsolete, Unsupported Fibre Channel Adapter"}; | |
dea3101e JB |
2364 | break; |
2365 | case PCI_DEVICE_ID_ZEPHYR: | |
a747c9ce | 2366 | m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"}; |
dea3101e | 2367 | break; |
e4adb204 | 2368 | case PCI_DEVICE_ID_ZEPHYR_SCSP: |
a747c9ce | 2369 | m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 JSEC |
2370 | break; |
2371 | case PCI_DEVICE_ID_ZEPHYR_DCSP: | |
a747c9ce | 2372 | m = (typeof(m)){"LP2105", "PCIe", "FCoE Adapter"}; |
a257bf90 | 2373 | GE = 1; |
e4adb204 | 2374 | break; |
dea3101e | 2375 | case PCI_DEVICE_ID_ZMID: |
a747c9ce | 2376 | m = (typeof(m)){"LPe1150", "PCIe", "Fibre Channel Adapter"}; |
dea3101e JB |
2377 | break; |
2378 | case PCI_DEVICE_ID_ZSMB: | |
a747c9ce | 2379 | m = (typeof(m)){"LPe111", "PCIe", "Fibre Channel Adapter"}; |
dea3101e JB |
2380 | break; |
2381 | case PCI_DEVICE_ID_LP101: | |
12222f4f JS |
2382 | m = (typeof(m)){"LP101", "PCI-X", |
2383 | "Obsolete, Unsupported Fibre Channel Adapter"}; | |
dea3101e JB |
2384 | break; |
2385 | case PCI_DEVICE_ID_LP10000S: | |
12222f4f JS |
2386 | m = (typeof(m)){"LP10000-S", "PCI", |
2387 | "Obsolete, Unsupported Fibre Channel Adapter"}; | |
06325e74 | 2388 | break; |
e4adb204 | 2389 | case PCI_DEVICE_ID_LP11000S: |
12222f4f JS |
2390 | m = (typeof(m)){"LP11000-S", "PCI-X2", |
2391 | "Obsolete, Unsupported Fibre Channel Adapter"}; | |
18a3b596 | 2392 | break; |
e4adb204 | 2393 | case PCI_DEVICE_ID_LPE11000S: |
12222f4f JS |
2394 | m = (typeof(m)){"LPe11000-S", "PCIe", |
2395 | "Obsolete, Unsupported Fibre Channel Adapter"}; | |
5cc36b3c | 2396 | break; |
b87eab38 | 2397 | case PCI_DEVICE_ID_SAT: |
a747c9ce | 2398 | m = (typeof(m)){"LPe12000", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
2399 | break; |
2400 | case PCI_DEVICE_ID_SAT_MID: | |
a747c9ce | 2401 | m = (typeof(m)){"LPe1250", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
2402 | break; |
2403 | case PCI_DEVICE_ID_SAT_SMB: | |
a747c9ce | 2404 | m = (typeof(m)){"LPe121", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
2405 | break; |
2406 | case PCI_DEVICE_ID_SAT_DCSP: | |
a747c9ce | 2407 | m = (typeof(m)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
2408 | break; |
2409 | case PCI_DEVICE_ID_SAT_SCSP: | |
a747c9ce | 2410 | m = (typeof(m)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
2411 | break; |
2412 | case PCI_DEVICE_ID_SAT_S: | |
a747c9ce | 2413 | m = (typeof(m)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 | 2414 | break; |
84774a4d | 2415 | case PCI_DEVICE_ID_HORNET: |
12222f4f JS |
2416 | m = (typeof(m)){"LP21000", "PCIe", |
2417 | "Obsolete, Unsupported FCoE Adapter"}; | |
84774a4d JS |
2418 | GE = 1; |
2419 | break; | |
2420 | case PCI_DEVICE_ID_PROTEUS_VF: | |
a747c9ce | 2421 | m = (typeof(m)){"LPev12000", "PCIe IOV", |
12222f4f | 2422 | "Obsolete, Unsupported Fibre Channel Adapter"}; |
84774a4d JS |
2423 | break; |
2424 | case PCI_DEVICE_ID_PROTEUS_PF: | |
a747c9ce | 2425 | m = (typeof(m)){"LPev12000", "PCIe IOV", |
12222f4f | 2426 | "Obsolete, Unsupported Fibre Channel Adapter"}; |
84774a4d JS |
2427 | break; |
2428 | case PCI_DEVICE_ID_PROTEUS_S: | |
a747c9ce | 2429 | m = (typeof(m)){"LPemv12002-S", "PCIe IOV", |
12222f4f | 2430 | "Obsolete, Unsupported Fibre Channel Adapter"}; |
84774a4d | 2431 | break; |
da0436e9 JS |
2432 | case PCI_DEVICE_ID_TIGERSHARK: |
2433 | oneConnect = 1; | |
a747c9ce | 2434 | m = (typeof(m)){"OCe10100", "PCIe", "FCoE"}; |
da0436e9 | 2435 | break; |
a747c9ce | 2436 | case PCI_DEVICE_ID_TOMCAT: |
6669f9bb | 2437 | oneConnect = 1; |
a747c9ce JS |
2438 | m = (typeof(m)){"OCe11100", "PCIe", "FCoE"}; |
2439 | break; | |
2440 | case PCI_DEVICE_ID_FALCON: | |
2441 | m = (typeof(m)){"LPSe12002-ML1-E", "PCIe", | |
2442 | "EmulexSecure Fibre"}; | |
6669f9bb | 2443 | break; |
98fc5dd9 JS |
2444 | case PCI_DEVICE_ID_BALIUS: |
2445 | m = (typeof(m)){"LPVe12002", "PCIe Shared I/O", | |
12222f4f | 2446 | "Obsolete, Unsupported Fibre Channel Adapter"}; |
98fc5dd9 | 2447 | break; |
085c647c | 2448 | case PCI_DEVICE_ID_LANCER_FC: |
c0c11512 | 2449 | m = (typeof(m)){"LPe16000", "PCIe", "Fibre Channel Adapter"}; |
085c647c | 2450 | break; |
12222f4f JS |
2451 | case PCI_DEVICE_ID_LANCER_FC_VF: |
2452 | m = (typeof(m)){"LPe16000", "PCIe", | |
2453 | "Obsolete, Unsupported Fibre Channel Adapter"}; | |
2454 | break; | |
085c647c JS |
2455 | case PCI_DEVICE_ID_LANCER_FCOE: |
2456 | oneConnect = 1; | |
079b5c91 | 2457 | m = (typeof(m)){"OCe15100", "PCIe", "FCoE"}; |
085c647c | 2458 | break; |
12222f4f JS |
2459 | case PCI_DEVICE_ID_LANCER_FCOE_VF: |
2460 | oneConnect = 1; | |
2461 | m = (typeof(m)){"OCe15100", "PCIe", | |
2462 | "Obsolete, Unsupported FCoE"}; | |
2463 | break; | |
d38dd52c JS |
2464 | case PCI_DEVICE_ID_LANCER_G6_FC: |
2465 | m = (typeof(m)){"LPe32000", "PCIe", "Fibre Channel Adapter"}; | |
2466 | break; | |
f8cafd38 JS |
2467 | case PCI_DEVICE_ID_SKYHAWK: |
2468 | case PCI_DEVICE_ID_SKYHAWK_VF: | |
2469 | oneConnect = 1; | |
2470 | m = (typeof(m)){"OCe14000", "PCIe", "FCoE"}; | |
2471 | break; | |
5cc36b3c | 2472 | default: |
a747c9ce | 2473 | m = (typeof(m)){"Unknown", "", ""}; |
e4adb204 | 2474 | break; |
dea3101e | 2475 | } |
74b72a59 JW |
2476 | |
2477 | if (mdp && mdp[0] == '\0') | |
2478 | snprintf(mdp, 79,"%s", m.name); | |
c0c11512 JS |
2479 | /* |
2480 | * oneConnect hba requires special processing, they are all initiators | |
da0436e9 JS |
2481 | * and we put the port number on the end |
2482 | */ | |
2483 | if (descp && descp[0] == '\0') { | |
2484 | if (oneConnect) | |
2485 | snprintf(descp, 255, | |
4169d868 | 2486 | "Emulex OneConnect %s, %s Initiator %s", |
a747c9ce | 2487 | m.name, m.function, |
da0436e9 | 2488 | phba->Port); |
4169d868 JS |
2489 | else if (max_speed == 0) |
2490 | snprintf(descp, 255, | |
290237d2 | 2491 | "Emulex %s %s %s", |
4169d868 | 2492 | m.name, m.bus, m.function); |
da0436e9 JS |
2493 | else |
2494 | snprintf(descp, 255, | |
2495 | "Emulex %s %d%s %s %s", | |
a747c9ce JS |
2496 | m.name, max_speed, (GE) ? "GE" : "Gb", |
2497 | m.bus, m.function); | |
da0436e9 | 2498 | } |
dea3101e JB |
2499 | } |
2500 | ||
e59058c4 | 2501 | /** |
3621a710 | 2502 | * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring |
e59058c4 JS |
2503 | * @phba: pointer to lpfc hba data structure. |
2504 | * @pring: pointer to a IOCB ring. | |
2505 | * @cnt: the number of IOCBs to be posted to the IOCB ring. | |
2506 | * | |
2507 | * This routine posts a given number of IOCBs with the associated DMA buffer | |
2508 | * descriptors specified by the cnt argument to the given IOCB ring. | |
2509 | * | |
2510 | * Return codes | |
2511 | * The number of IOCBs NOT able to be posted to the IOCB ring. | |
2512 | **/ | |
dea3101e | 2513 | int |
495a714c | 2514 | lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) |
dea3101e JB |
2515 | { |
2516 | IOCB_t *icmd; | |
0bd4ca25 | 2517 | struct lpfc_iocbq *iocb; |
dea3101e JB |
2518 | struct lpfc_dmabuf *mp1, *mp2; |
2519 | ||
2520 | cnt += pring->missbufcnt; | |
2521 | ||
2522 | /* While there are buffers to post */ | |
2523 | while (cnt > 0) { | |
2524 | /* Allocate buffer for command iocb */ | |
0bd4ca25 | 2525 | iocb = lpfc_sli_get_iocbq(phba); |
dea3101e JB |
2526 | if (iocb == NULL) { |
2527 | pring->missbufcnt = cnt; | |
2528 | return cnt; | |
2529 | } | |
dea3101e JB |
2530 | icmd = &iocb->iocb; |
2531 | ||
2532 | /* 2 buffers can be posted per command */ | |
2533 | /* Allocate buffer to post */ | |
2534 | mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
2535 | if (mp1) | |
98c9ea5c JS |
2536 | mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys); |
2537 | if (!mp1 || !mp1->virt) { | |
c9475cb0 | 2538 | kfree(mp1); |
604a3e30 | 2539 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e JB |
2540 | pring->missbufcnt = cnt; |
2541 | return cnt; | |
2542 | } | |
2543 | ||
2544 | INIT_LIST_HEAD(&mp1->list); | |
2545 | /* Allocate buffer to post */ | |
2546 | if (cnt > 1) { | |
2547 | mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
2548 | if (mp2) | |
2549 | mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, | |
2550 | &mp2->phys); | |
98c9ea5c | 2551 | if (!mp2 || !mp2->virt) { |
c9475cb0 | 2552 | kfree(mp2); |
dea3101e JB |
2553 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); |
2554 | kfree(mp1); | |
604a3e30 | 2555 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e JB |
2556 | pring->missbufcnt = cnt; |
2557 | return cnt; | |
2558 | } | |
2559 | ||
2560 | INIT_LIST_HEAD(&mp2->list); | |
2561 | } else { | |
2562 | mp2 = NULL; | |
2563 | } | |
2564 | ||
2565 | icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); | |
2566 | icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); | |
2567 | icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; | |
2568 | icmd->ulpBdeCount = 1; | |
2569 | cnt--; | |
2570 | if (mp2) { | |
2571 | icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); | |
2572 | icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); | |
2573 | icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; | |
2574 | cnt--; | |
2575 | icmd->ulpBdeCount = 2; | |
2576 | } | |
2577 | ||
2578 | icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; | |
2579 | icmd->ulpLe = 1; | |
2580 | ||
3772a991 JS |
2581 | if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) == |
2582 | IOCB_ERROR) { | |
dea3101e JB |
2583 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); |
2584 | kfree(mp1); | |
2585 | cnt++; | |
2586 | if (mp2) { | |
2587 | lpfc_mbuf_free(phba, mp2->virt, mp2->phys); | |
2588 | kfree(mp2); | |
2589 | cnt++; | |
2590 | } | |
604a3e30 | 2591 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 2592 | pring->missbufcnt = cnt; |
dea3101e JB |
2593 | return cnt; |
2594 | } | |
dea3101e | 2595 | lpfc_sli_ringpostbuf_put(phba, pring, mp1); |
92d7f7b0 | 2596 | if (mp2) |
dea3101e | 2597 | lpfc_sli_ringpostbuf_put(phba, pring, mp2); |
dea3101e JB |
2598 | } |
2599 | pring->missbufcnt = 0; | |
2600 | return 0; | |
2601 | } | |
2602 | ||
e59058c4 | 2603 | /** |
3621a710 | 2604 | * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring |
e59058c4 JS |
2605 | * @phba: pointer to lpfc hba data structure. |
2606 | * | |
2607 | * This routine posts initial receive IOCB buffers to the ELS ring. The | |
2608 | * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is | |
895427bd | 2609 | * set to 64 IOCBs. SLI3 only. |
e59058c4 JS |
2610 | * |
2611 | * Return codes | |
2612 | * 0 - success (currently always success) | |
2613 | **/ | |
dea3101e | 2614 | static int |
2e0fef85 | 2615 | lpfc_post_rcv_buf(struct lpfc_hba *phba) |
dea3101e JB |
2616 | { |
2617 | struct lpfc_sli *psli = &phba->sli; | |
2618 | ||
2619 | /* Ring 0, ELS / CT buffers */ | |
895427bd | 2620 | lpfc_post_buffer(phba, &psli->sli3_ring[LPFC_ELS_RING], LPFC_BUF_RING0); |
dea3101e JB |
2621 | /* Ring 2 - FCP no buffers needed */ |
2622 | ||
2623 | return 0; | |
2624 | } | |
2625 | ||
2626 | #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) | |
2627 | ||
e59058c4 | 2628 | /** |
3621a710 | 2629 | * lpfc_sha_init - Set up initial array of hash table entries |
e59058c4 JS |
2630 | * @HashResultPointer: pointer to an array as hash table. |
2631 | * | |
2632 | * This routine sets up the initial values to the array of hash table entries | |
2633 | * for the LC HBAs. | |
2634 | **/ | |
dea3101e JB |
2635 | static void |
2636 | lpfc_sha_init(uint32_t * HashResultPointer) | |
2637 | { | |
2638 | HashResultPointer[0] = 0x67452301; | |
2639 | HashResultPointer[1] = 0xEFCDAB89; | |
2640 | HashResultPointer[2] = 0x98BADCFE; | |
2641 | HashResultPointer[3] = 0x10325476; | |
2642 | HashResultPointer[4] = 0xC3D2E1F0; | |
2643 | } | |
2644 | ||
e59058c4 | 2645 | /** |
3621a710 | 2646 | * lpfc_sha_iterate - Iterate initial hash table with the working hash table |
e59058c4 JS |
2647 | * @HashResultPointer: pointer to an initial/result hash table. |
2648 | * @HashWorkingPointer: pointer to an working hash table. | |
2649 | * | |
2650 | * This routine iterates an initial hash table pointed by @HashResultPointer | |
2651 | * with the values from the working hash table pointeed by @HashWorkingPointer. | |
2652 | * The results are putting back to the initial hash table, returned through | |
2653 | * the @HashResultPointer as the result hash table. | |
2654 | **/ | |
dea3101e JB |
2655 | static void |
2656 | lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) | |
2657 | { | |
2658 | int t; | |
2659 | uint32_t TEMP; | |
2660 | uint32_t A, B, C, D, E; | |
2661 | t = 16; | |
2662 | do { | |
2663 | HashWorkingPointer[t] = | |
2664 | S(1, | |
2665 | HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - | |
2666 | 8] ^ | |
2667 | HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); | |
2668 | } while (++t <= 79); | |
2669 | t = 0; | |
2670 | A = HashResultPointer[0]; | |
2671 | B = HashResultPointer[1]; | |
2672 | C = HashResultPointer[2]; | |
2673 | D = HashResultPointer[3]; | |
2674 | E = HashResultPointer[4]; | |
2675 | ||
2676 | do { | |
2677 | if (t < 20) { | |
2678 | TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; | |
2679 | } else if (t < 40) { | |
2680 | TEMP = (B ^ C ^ D) + 0x6ED9EBA1; | |
2681 | } else if (t < 60) { | |
2682 | TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; | |
2683 | } else { | |
2684 | TEMP = (B ^ C ^ D) + 0xCA62C1D6; | |
2685 | } | |
2686 | TEMP += S(5, A) + E + HashWorkingPointer[t]; | |
2687 | E = D; | |
2688 | D = C; | |
2689 | C = S(30, B); | |
2690 | B = A; | |
2691 | A = TEMP; | |
2692 | } while (++t <= 79); | |
2693 | ||
2694 | HashResultPointer[0] += A; | |
2695 | HashResultPointer[1] += B; | |
2696 | HashResultPointer[2] += C; | |
2697 | HashResultPointer[3] += D; | |
2698 | HashResultPointer[4] += E; | |
2699 | ||
2700 | } | |
2701 | ||
e59058c4 | 2702 | /** |
3621a710 | 2703 | * lpfc_challenge_key - Create challenge key based on WWPN of the HBA |
e59058c4 JS |
2704 | * @RandomChallenge: pointer to the entry of host challenge random number array. |
2705 | * @HashWorking: pointer to the entry of the working hash array. | |
2706 | * | |
2707 | * This routine calculates the working hash array referred by @HashWorking | |
2708 | * from the challenge random numbers associated with the host, referred by | |
2709 | * @RandomChallenge. The result is put into the entry of the working hash | |
2710 | * array and returned by reference through @HashWorking. | |
2711 | **/ | |
dea3101e JB |
2712 | static void |
2713 | lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) | |
2714 | { | |
2715 | *HashWorking = (*RandomChallenge ^ *HashWorking); | |
2716 | } | |
2717 | ||
e59058c4 | 2718 | /** |
3621a710 | 2719 | * lpfc_hba_init - Perform special handling for LC HBA initialization |
e59058c4 JS |
2720 | * @phba: pointer to lpfc hba data structure. |
2721 | * @hbainit: pointer to an array of unsigned 32-bit integers. | |
2722 | * | |
2723 | * This routine performs the special handling for LC HBA initialization. | |
2724 | **/ | |
dea3101e JB |
2725 | void |
2726 | lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) | |
2727 | { | |
2728 | int t; | |
2729 | uint32_t *HashWorking; | |
2e0fef85 | 2730 | uint32_t *pwwnn = (uint32_t *) phba->wwnn; |
dea3101e | 2731 | |
bbfbbbc1 | 2732 | HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL); |
dea3101e JB |
2733 | if (!HashWorking) |
2734 | return; | |
2735 | ||
dea3101e JB |
2736 | HashWorking[0] = HashWorking[78] = *pwwnn++; |
2737 | HashWorking[1] = HashWorking[79] = *pwwnn; | |
2738 | ||
2739 | for (t = 0; t < 7; t++) | |
2740 | lpfc_challenge_key(phba->RandomData + t, HashWorking + t); | |
2741 | ||
2742 | lpfc_sha_init(hbainit); | |
2743 | lpfc_sha_iterate(hbainit, HashWorking); | |
2744 | kfree(HashWorking); | |
2745 | } | |
2746 | ||
e59058c4 | 2747 | /** |
3621a710 | 2748 | * lpfc_cleanup - Performs vport cleanups before deleting a vport |
e59058c4 JS |
2749 | * @vport: pointer to a virtual N_Port data structure. |
2750 | * | |
2751 | * This routine performs the necessary cleanups before deleting the @vport. | |
2752 | * It invokes the discovery state machine to perform necessary state | |
2753 | * transitions and to release the ndlps associated with the @vport. Note, | |
2754 | * the physical port is treated as @vport 0. | |
2755 | **/ | |
87af33fe | 2756 | void |
2e0fef85 | 2757 | lpfc_cleanup(struct lpfc_vport *vport) |
dea3101e | 2758 | { |
87af33fe | 2759 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2760 | struct lpfc_nodelist *ndlp, *next_ndlp; |
a8adb832 | 2761 | int i = 0; |
dea3101e | 2762 | |
87af33fe JS |
2763 | if (phba->link_state > LPFC_LINK_DOWN) |
2764 | lpfc_port_link_failure(vport); | |
2765 | ||
2766 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
e47c9093 JS |
2767 | if (!NLP_CHK_NODE_ACT(ndlp)) { |
2768 | ndlp = lpfc_enable_node(vport, ndlp, | |
2769 | NLP_STE_UNUSED_NODE); | |
2770 | if (!ndlp) | |
2771 | continue; | |
2772 | spin_lock_irq(&phba->ndlp_lock); | |
2773 | NLP_SET_FREE_REQ(ndlp); | |
2774 | spin_unlock_irq(&phba->ndlp_lock); | |
2775 | /* Trigger the release of the ndlp memory */ | |
2776 | lpfc_nlp_put(ndlp); | |
2777 | continue; | |
2778 | } | |
2779 | spin_lock_irq(&phba->ndlp_lock); | |
2780 | if (NLP_CHK_FREE_REQ(ndlp)) { | |
2781 | /* The ndlp should not be in memory free mode already */ | |
2782 | spin_unlock_irq(&phba->ndlp_lock); | |
2783 | continue; | |
2784 | } else | |
2785 | /* Indicate request for freeing ndlp memory */ | |
2786 | NLP_SET_FREE_REQ(ndlp); | |
2787 | spin_unlock_irq(&phba->ndlp_lock); | |
2788 | ||
58da1ffb JS |
2789 | if (vport->port_type != LPFC_PHYSICAL_PORT && |
2790 | ndlp->nlp_DID == Fabric_DID) { | |
2791 | /* Just free up ndlp with Fabric_DID for vports */ | |
2792 | lpfc_nlp_put(ndlp); | |
2793 | continue; | |
2794 | } | |
2795 | ||
eff4a01b JS |
2796 | /* take care of nodes in unused state before the state |
2797 | * machine taking action. | |
2798 | */ | |
2799 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) { | |
2800 | lpfc_nlp_put(ndlp); | |
2801 | continue; | |
2802 | } | |
2803 | ||
87af33fe JS |
2804 | if (ndlp->nlp_type & NLP_FABRIC) |
2805 | lpfc_disc_state_machine(vport, ndlp, NULL, | |
2806 | NLP_EVT_DEVICE_RECOVERY); | |
e47c9093 | 2807 | |
87af33fe JS |
2808 | lpfc_disc_state_machine(vport, ndlp, NULL, |
2809 | NLP_EVT_DEVICE_RM); | |
2810 | } | |
2811 | ||
a8adb832 JS |
2812 | /* At this point, ALL ndlp's should be gone |
2813 | * because of the previous NLP_EVT_DEVICE_RM. | |
2814 | * Lets wait for this to happen, if needed. | |
2815 | */ | |
87af33fe | 2816 | while (!list_empty(&vport->fc_nodes)) { |
a8adb832 | 2817 | if (i++ > 3000) { |
87af33fe | 2818 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
a8adb832 | 2819 | "0233 Nodelist not empty\n"); |
e47c9093 JS |
2820 | list_for_each_entry_safe(ndlp, next_ndlp, |
2821 | &vport->fc_nodes, nlp_listp) { | |
2822 | lpfc_printf_vlog(ndlp->vport, KERN_ERR, | |
2823 | LOG_NODE, | |
d7c255b2 | 2824 | "0282 did:x%x ndlp:x%p " |
e47c9093 JS |
2825 | "usgmap:x%x refcnt:%d\n", |
2826 | ndlp->nlp_DID, (void *)ndlp, | |
2827 | ndlp->nlp_usg_map, | |
2c935bc5 | 2828 | kref_read(&ndlp->kref)); |
e47c9093 | 2829 | } |
a8adb832 | 2830 | break; |
87af33fe | 2831 | } |
a8adb832 JS |
2832 | |
2833 | /* Wait for any activity on ndlps to settle */ | |
2834 | msleep(10); | |
87af33fe | 2835 | } |
1151e3ec | 2836 | lpfc_cleanup_vports_rrqs(vport, NULL); |
dea3101e JB |
2837 | } |
2838 | ||
e59058c4 | 2839 | /** |
3621a710 | 2840 | * lpfc_stop_vport_timers - Stop all the timers associated with a vport |
e59058c4 JS |
2841 | * @vport: pointer to a virtual N_Port data structure. |
2842 | * | |
2843 | * This routine stops all the timers associated with a @vport. This function | |
2844 | * is invoked before disabling or deleting a @vport. Note that the physical | |
2845 | * port is treated as @vport 0. | |
2846 | **/ | |
92d7f7b0 JS |
2847 | void |
2848 | lpfc_stop_vport_timers(struct lpfc_vport *vport) | |
dea3101e | 2849 | { |
92d7f7b0 | 2850 | del_timer_sync(&vport->els_tmofunc); |
92494144 | 2851 | del_timer_sync(&vport->delayed_disc_tmo); |
92d7f7b0 JS |
2852 | lpfc_can_disctmo(vport); |
2853 | return; | |
dea3101e JB |
2854 | } |
2855 | ||
ecfd03c6 JS |
2856 | /** |
2857 | * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer | |
2858 | * @phba: pointer to lpfc hba data structure. | |
2859 | * | |
2860 | * This routine stops the SLI4 FCF rediscover wait timer if it's on. The | |
2861 | * caller of this routine should already hold the host lock. | |
2862 | **/ | |
2863 | void | |
2864 | __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba) | |
2865 | { | |
5ac6b303 JS |
2866 | /* Clear pending FCF rediscovery wait flag */ |
2867 | phba->fcf.fcf_flag &= ~FCF_REDISC_PEND; | |
2868 | ||
ecfd03c6 JS |
2869 | /* Now, try to stop the timer */ |
2870 | del_timer(&phba->fcf.redisc_wait); | |
2871 | } | |
2872 | ||
2873 | /** | |
2874 | * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer | |
2875 | * @phba: pointer to lpfc hba data structure. | |
2876 | * | |
2877 | * This routine stops the SLI4 FCF rediscover wait timer if it's on. It | |
2878 | * checks whether the FCF rediscovery wait timer is pending with the host | |
2879 | * lock held before proceeding with disabling the timer and clearing the | |
2880 | * wait timer pendig flag. | |
2881 | **/ | |
2882 | void | |
2883 | lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba) | |
2884 | { | |
2885 | spin_lock_irq(&phba->hbalock); | |
2886 | if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) { | |
2887 | /* FCF rediscovery timer already fired or stopped */ | |
2888 | spin_unlock_irq(&phba->hbalock); | |
2889 | return; | |
2890 | } | |
2891 | __lpfc_sli4_stop_fcf_redisc_wait_timer(phba); | |
5ac6b303 JS |
2892 | /* Clear failover in progress flags */ |
2893 | phba->fcf.fcf_flag &= ~(FCF_DEAD_DISC | FCF_ACVL_DISC); | |
ecfd03c6 JS |
2894 | spin_unlock_irq(&phba->hbalock); |
2895 | } | |
2896 | ||
e59058c4 | 2897 | /** |
3772a991 | 2898 | * lpfc_stop_hba_timers - Stop all the timers associated with an HBA |
e59058c4 JS |
2899 | * @phba: pointer to lpfc hba data structure. |
2900 | * | |
2901 | * This routine stops all the timers associated with a HBA. This function is | |
2902 | * invoked before either putting a HBA offline or unloading the driver. | |
2903 | **/ | |
3772a991 JS |
2904 | void |
2905 | lpfc_stop_hba_timers(struct lpfc_hba *phba) | |
dea3101e | 2906 | { |
51ef4c26 | 2907 | lpfc_stop_vport_timers(phba->pport); |
2e0fef85 | 2908 | del_timer_sync(&phba->sli.mbox_tmo); |
92d7f7b0 | 2909 | del_timer_sync(&phba->fabric_block_timer); |
9399627f | 2910 | del_timer_sync(&phba->eratt_poll); |
3772a991 | 2911 | del_timer_sync(&phba->hb_tmofunc); |
1151e3ec JS |
2912 | if (phba->sli_rev == LPFC_SLI_REV4) { |
2913 | del_timer_sync(&phba->rrq_tmr); | |
2914 | phba->hba_flag &= ~HBA_RRQ_ACTIVE; | |
2915 | } | |
3772a991 JS |
2916 | phba->hb_outstanding = 0; |
2917 | ||
2918 | switch (phba->pci_dev_grp) { | |
2919 | case LPFC_PCI_DEV_LP: | |
2920 | /* Stop any LightPulse device specific driver timers */ | |
2921 | del_timer_sync(&phba->fcp_poll_timer); | |
2922 | break; | |
2923 | case LPFC_PCI_DEV_OC: | |
2924 | /* Stop any OneConnect device sepcific driver timers */ | |
ecfd03c6 | 2925 | lpfc_sli4_stop_fcf_redisc_wait_timer(phba); |
3772a991 JS |
2926 | break; |
2927 | default: | |
2928 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2929 | "0297 Invalid device group (x%x)\n", | |
2930 | phba->pci_dev_grp); | |
2931 | break; | |
2932 | } | |
2e0fef85 | 2933 | return; |
dea3101e JB |
2934 | } |
2935 | ||
e59058c4 | 2936 | /** |
3621a710 | 2937 | * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked |
e59058c4 JS |
2938 | * @phba: pointer to lpfc hba data structure. |
2939 | * | |
2940 | * This routine marks a HBA's management interface as blocked. Once the HBA's | |
2941 | * management interface is marked as blocked, all the user space access to | |
2942 | * the HBA, whether they are from sysfs interface or libdfc interface will | |
2943 | * all be blocked. The HBA is set to block the management interface when the | |
2944 | * driver prepares the HBA interface for online or offline. | |
2945 | **/ | |
a6ababd2 | 2946 | static void |
618a5230 | 2947 | lpfc_block_mgmt_io(struct lpfc_hba *phba, int mbx_action) |
a6ababd2 AB |
2948 | { |
2949 | unsigned long iflag; | |
6e7288d9 JS |
2950 | uint8_t actcmd = MBX_HEARTBEAT; |
2951 | unsigned long timeout; | |
2952 | ||
a6ababd2 AB |
2953 | spin_lock_irqsave(&phba->hbalock, iflag); |
2954 | phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; | |
618a5230 JS |
2955 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
2956 | if (mbx_action == LPFC_MBX_NO_WAIT) | |
2957 | return; | |
2958 | timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies; | |
2959 | spin_lock_irqsave(&phba->hbalock, iflag); | |
a183a15f | 2960 | if (phba->sli.mbox_active) { |
6e7288d9 | 2961 | actcmd = phba->sli.mbox_active->u.mb.mbxCommand; |
a183a15f JS |
2962 | /* Determine how long we might wait for the active mailbox |
2963 | * command to be gracefully completed by firmware. | |
2964 | */ | |
2965 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, | |
2966 | phba->sli.mbox_active) * 1000) + jiffies; | |
2967 | } | |
a6ababd2 | 2968 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a183a15f | 2969 | |
6e7288d9 JS |
2970 | /* Wait for the outstnading mailbox command to complete */ |
2971 | while (phba->sli.mbox_active) { | |
2972 | /* Check active mailbox complete status every 2ms */ | |
2973 | msleep(2); | |
2974 | if (time_after(jiffies, timeout)) { | |
2975 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2976 | "2813 Mgmt IO is Blocked %x " | |
2977 | "- mbox cmd %x still active\n", | |
2978 | phba->sli.sli_flag, actcmd); | |
2979 | break; | |
2980 | } | |
2981 | } | |
a6ababd2 AB |
2982 | } |
2983 | ||
6b5151fd JS |
2984 | /** |
2985 | * lpfc_sli4_node_prep - Assign RPIs for active nodes. | |
2986 | * @phba: pointer to lpfc hba data structure. | |
2987 | * | |
2988 | * Allocate RPIs for all active remote nodes. This is needed whenever | |
2989 | * an SLI4 adapter is reset and the driver is not unloading. Its purpose | |
2990 | * is to fixup the temporary rpi assignments. | |
2991 | **/ | |
2992 | void | |
2993 | lpfc_sli4_node_prep(struct lpfc_hba *phba) | |
2994 | { | |
2995 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2996 | struct lpfc_vport **vports; | |
9d3d340d JS |
2997 | int i, rpi; |
2998 | unsigned long flags; | |
6b5151fd JS |
2999 | |
3000 | if (phba->sli_rev != LPFC_SLI_REV4) | |
3001 | return; | |
3002 | ||
3003 | vports = lpfc_create_vport_work_array(phba); | |
9d3d340d JS |
3004 | if (vports == NULL) |
3005 | return; | |
6b5151fd | 3006 | |
9d3d340d JS |
3007 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
3008 | if (vports[i]->load_flag & FC_UNLOADING) | |
3009 | continue; | |
3010 | ||
3011 | list_for_each_entry_safe(ndlp, next_ndlp, | |
3012 | &vports[i]->fc_nodes, | |
3013 | nlp_listp) { | |
3014 | if (!NLP_CHK_NODE_ACT(ndlp)) | |
3015 | continue; | |
3016 | rpi = lpfc_sli4_alloc_rpi(phba); | |
3017 | if (rpi == LPFC_RPI_ALLOC_ERROR) { | |
3018 | spin_lock_irqsave(&phba->ndlp_lock, flags); | |
3019 | NLP_CLR_NODE_ACT(ndlp); | |
3020 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
3021 | continue; | |
6b5151fd | 3022 | } |
9d3d340d JS |
3023 | ndlp->nlp_rpi = rpi; |
3024 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE, | |
3025 | "0009 rpi:%x DID:%x " | |
3026 | "flg:%x map:%x %p\n", ndlp->nlp_rpi, | |
3027 | ndlp->nlp_DID, ndlp->nlp_flag, | |
3028 | ndlp->nlp_usg_map, ndlp); | |
6b5151fd JS |
3029 | } |
3030 | } | |
3031 | lpfc_destroy_vport_work_array(phba, vports); | |
3032 | } | |
3033 | ||
e59058c4 | 3034 | /** |
3621a710 | 3035 | * lpfc_online - Initialize and bring a HBA online |
e59058c4 JS |
3036 | * @phba: pointer to lpfc hba data structure. |
3037 | * | |
3038 | * This routine initializes the HBA and brings a HBA online. During this | |
3039 | * process, the management interface is blocked to prevent user space access | |
3040 | * to the HBA interfering with the driver initialization. | |
3041 | * | |
3042 | * Return codes | |
3043 | * 0 - successful | |
3044 | * 1 - failed | |
3045 | **/ | |
dea3101e | 3046 | int |
2e0fef85 | 3047 | lpfc_online(struct lpfc_hba *phba) |
dea3101e | 3048 | { |
372bd282 | 3049 | struct lpfc_vport *vport; |
549e55cd | 3050 | struct lpfc_vport **vports; |
a145fda3 | 3051 | int i, error = 0; |
16a3a208 | 3052 | bool vpis_cleared = false; |
2e0fef85 | 3053 | |
dea3101e JB |
3054 | if (!phba) |
3055 | return 0; | |
372bd282 | 3056 | vport = phba->pport; |
dea3101e | 3057 | |
2e0fef85 | 3058 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) |
dea3101e JB |
3059 | return 0; |
3060 | ||
ed957684 | 3061 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 3062 | "0458 Bring Adapter online\n"); |
dea3101e | 3063 | |
618a5230 | 3064 | lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT); |
46fa311e | 3065 | |
da0436e9 JS |
3066 | if (phba->sli_rev == LPFC_SLI_REV4) { |
3067 | if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */ | |
3068 | lpfc_unblock_mgmt_io(phba); | |
3069 | return 1; | |
3070 | } | |
16a3a208 JS |
3071 | spin_lock_irq(&phba->hbalock); |
3072 | if (!phba->sli4_hba.max_cfg_param.vpi_used) | |
3073 | vpis_cleared = true; | |
3074 | spin_unlock_irq(&phba->hbalock); | |
a145fda3 DK |
3075 | |
3076 | /* Reestablish the local initiator port. | |
3077 | * The offline process destroyed the previous lport. | |
3078 | */ | |
3079 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME && | |
3080 | !phba->nvmet_support) { | |
3081 | error = lpfc_nvme_create_localport(phba->pport); | |
3082 | if (error) | |
3083 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3084 | "6132 NVME restore reg failed " | |
3085 | "on nvmei error x%x\n", error); | |
3086 | } | |
da0436e9 | 3087 | } else { |
895427bd | 3088 | lpfc_sli_queue_init(phba); |
da0436e9 JS |
3089 | if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */ |
3090 | lpfc_unblock_mgmt_io(phba); | |
3091 | return 1; | |
3092 | } | |
46fa311e | 3093 | } |
dea3101e | 3094 | |
549e55cd | 3095 | vports = lpfc_create_vport_work_array(phba); |
aeb6641f | 3096 | if (vports != NULL) { |
da0436e9 | 3097 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd JS |
3098 | struct Scsi_Host *shost; |
3099 | shost = lpfc_shost_from_vport(vports[i]); | |
3100 | spin_lock_irq(shost->host_lock); | |
3101 | vports[i]->fc_flag &= ~FC_OFFLINE_MODE; | |
3102 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
3103 | vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
16a3a208 | 3104 | if (phba->sli_rev == LPFC_SLI_REV4) { |
1c6834a7 | 3105 | vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; |
16a3a208 JS |
3106 | if ((vpis_cleared) && |
3107 | (vports[i]->port_type != | |
3108 | LPFC_PHYSICAL_PORT)) | |
3109 | vports[i]->vpi = 0; | |
3110 | } | |
549e55cd JS |
3111 | spin_unlock_irq(shost->host_lock); |
3112 | } | |
aeb6641f AB |
3113 | } |
3114 | lpfc_destroy_vport_work_array(phba, vports); | |
dea3101e | 3115 | |
46fa311e | 3116 | lpfc_unblock_mgmt_io(phba); |
dea3101e JB |
3117 | return 0; |
3118 | } | |
3119 | ||
e59058c4 | 3120 | /** |
3621a710 | 3121 | * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked |
e59058c4 JS |
3122 | * @phba: pointer to lpfc hba data structure. |
3123 | * | |
3124 | * This routine marks a HBA's management interface as not blocked. Once the | |
3125 | * HBA's management interface is marked as not blocked, all the user space | |
3126 | * access to the HBA, whether they are from sysfs interface or libdfc | |
3127 | * interface will be allowed. The HBA is set to block the management interface | |
3128 | * when the driver prepares the HBA interface for online or offline and then | |
3129 | * set to unblock the management interface afterwards. | |
3130 | **/ | |
46fa311e JS |
3131 | void |
3132 | lpfc_unblock_mgmt_io(struct lpfc_hba * phba) | |
3133 | { | |
3134 | unsigned long iflag; | |
3135 | ||
2e0fef85 JS |
3136 | spin_lock_irqsave(&phba->hbalock, iflag); |
3137 | phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO; | |
3138 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
46fa311e JS |
3139 | } |
3140 | ||
e59058c4 | 3141 | /** |
3621a710 | 3142 | * lpfc_offline_prep - Prepare a HBA to be brought offline |
e59058c4 JS |
3143 | * @phba: pointer to lpfc hba data structure. |
3144 | * | |
3145 | * This routine is invoked to prepare a HBA to be brought offline. It performs | |
3146 | * unregistration login to all the nodes on all vports and flushes the mailbox | |
3147 | * queue to make it ready to be brought offline. | |
3148 | **/ | |
46fa311e | 3149 | void |
618a5230 | 3150 | lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action) |
46fa311e | 3151 | { |
2e0fef85 | 3152 | struct lpfc_vport *vport = phba->pport; |
46fa311e | 3153 | struct lpfc_nodelist *ndlp, *next_ndlp; |
87af33fe | 3154 | struct lpfc_vport **vports; |
72100cc4 | 3155 | struct Scsi_Host *shost; |
87af33fe | 3156 | int i; |
dea3101e | 3157 | |
2e0fef85 | 3158 | if (vport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 3159 | return; |
dea3101e | 3160 | |
618a5230 | 3161 | lpfc_block_mgmt_io(phba, mbx_action); |
dea3101e JB |
3162 | |
3163 | lpfc_linkdown(phba); | |
3164 | ||
87af33fe JS |
3165 | /* Issue an unreg_login to all nodes on all vports */ |
3166 | vports = lpfc_create_vport_work_array(phba); | |
3167 | if (vports != NULL) { | |
da0436e9 | 3168 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
a8adb832 JS |
3169 | if (vports[i]->load_flag & FC_UNLOADING) |
3170 | continue; | |
72100cc4 JS |
3171 | shost = lpfc_shost_from_vport(vports[i]); |
3172 | spin_lock_irq(shost->host_lock); | |
c868595d | 3173 | vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED; |
695a814e JS |
3174 | vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
3175 | vports[i]->fc_flag &= ~FC_VFI_REGISTERED; | |
72100cc4 | 3176 | spin_unlock_irq(shost->host_lock); |
695a814e | 3177 | |
87af33fe JS |
3178 | shost = lpfc_shost_from_vport(vports[i]); |
3179 | list_for_each_entry_safe(ndlp, next_ndlp, | |
3180 | &vports[i]->fc_nodes, | |
3181 | nlp_listp) { | |
e47c9093 JS |
3182 | if (!NLP_CHK_NODE_ACT(ndlp)) |
3183 | continue; | |
87af33fe JS |
3184 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
3185 | continue; | |
3186 | if (ndlp->nlp_type & NLP_FABRIC) { | |
3187 | lpfc_disc_state_machine(vports[i], ndlp, | |
3188 | NULL, NLP_EVT_DEVICE_RECOVERY); | |
3189 | lpfc_disc_state_machine(vports[i], ndlp, | |
3190 | NULL, NLP_EVT_DEVICE_RM); | |
3191 | } | |
3192 | spin_lock_irq(shost->host_lock); | |
3193 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
401ee0c1 | 3194 | spin_unlock_irq(shost->host_lock); |
6b5151fd JS |
3195 | /* |
3196 | * Whenever an SLI4 port goes offline, free the | |
401ee0c1 JS |
3197 | * RPI. Get a new RPI when the adapter port |
3198 | * comes back online. | |
6b5151fd | 3199 | */ |
be6bb941 JS |
3200 | if (phba->sli_rev == LPFC_SLI_REV4) { |
3201 | lpfc_printf_vlog(ndlp->vport, | |
3202 | KERN_INFO, LOG_NODE, | |
3203 | "0011 lpfc_offline: " | |
3204 | "ndlp:x%p did %x " | |
3205 | "usgmap:x%x rpi:%x\n", | |
3206 | ndlp, ndlp->nlp_DID, | |
3207 | ndlp->nlp_usg_map, | |
3208 | ndlp->nlp_rpi); | |
3209 | ||
6b5151fd | 3210 | lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi); |
be6bb941 | 3211 | } |
87af33fe JS |
3212 | lpfc_unreg_rpi(vports[i], ndlp); |
3213 | } | |
3214 | } | |
3215 | } | |
09372820 | 3216 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 3217 | |
618a5230 | 3218 | lpfc_sli_mbox_sys_shutdown(phba, mbx_action); |
f485c18d DK |
3219 | |
3220 | if (phba->wq) | |
3221 | flush_workqueue(phba->wq); | |
46fa311e JS |
3222 | } |
3223 | ||
e59058c4 | 3224 | /** |
3621a710 | 3225 | * lpfc_offline - Bring a HBA offline |
e59058c4 JS |
3226 | * @phba: pointer to lpfc hba data structure. |
3227 | * | |
3228 | * This routine actually brings a HBA offline. It stops all the timers | |
3229 | * associated with the HBA, brings down the SLI layer, and eventually | |
3230 | * marks the HBA as in offline state for the upper layer protocol. | |
3231 | **/ | |
46fa311e | 3232 | void |
2e0fef85 | 3233 | lpfc_offline(struct lpfc_hba *phba) |
46fa311e | 3234 | { |
549e55cd JS |
3235 | struct Scsi_Host *shost; |
3236 | struct lpfc_vport **vports; | |
3237 | int i; | |
46fa311e | 3238 | |
549e55cd | 3239 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 3240 | return; |
688a8863 | 3241 | |
da0436e9 JS |
3242 | /* stop port and all timers associated with this hba */ |
3243 | lpfc_stop_port(phba); | |
4b40d02b DK |
3244 | |
3245 | /* Tear down the local and target port registrations. The | |
3246 | * nvme transports need to cleanup. | |
3247 | */ | |
3248 | lpfc_nvmet_destroy_targetport(phba); | |
3249 | lpfc_nvme_destroy_localport(phba->pport); | |
3250 | ||
51ef4c26 JS |
3251 | vports = lpfc_create_vport_work_array(phba); |
3252 | if (vports != NULL) | |
da0436e9 | 3253 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) |
51ef4c26 | 3254 | lpfc_stop_vport_timers(vports[i]); |
09372820 | 3255 | lpfc_destroy_vport_work_array(phba, vports); |
92d7f7b0 | 3256 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 3257 | "0460 Bring Adapter offline\n"); |
dea3101e JB |
3258 | /* Bring down the SLI Layer and cleanup. The HBA is offline |
3259 | now. */ | |
3260 | lpfc_sli_hba_down(phba); | |
92d7f7b0 | 3261 | spin_lock_irq(&phba->hbalock); |
7054a606 | 3262 | phba->work_ha = 0; |
92d7f7b0 | 3263 | spin_unlock_irq(&phba->hbalock); |
549e55cd JS |
3264 | vports = lpfc_create_vport_work_array(phba); |
3265 | if (vports != NULL) | |
da0436e9 | 3266 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd | 3267 | shost = lpfc_shost_from_vport(vports[i]); |
549e55cd JS |
3268 | spin_lock_irq(shost->host_lock); |
3269 | vports[i]->work_port_events = 0; | |
3270 | vports[i]->fc_flag |= FC_OFFLINE_MODE; | |
3271 | spin_unlock_irq(shost->host_lock); | |
3272 | } | |
09372820 | 3273 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e JB |
3274 | } |
3275 | ||
e59058c4 | 3276 | /** |
3621a710 | 3277 | * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists |
e59058c4 JS |
3278 | * @phba: pointer to lpfc hba data structure. |
3279 | * | |
3280 | * This routine is to free all the SCSI buffers and IOCBs from the driver | |
3281 | * list back to kernel. It is called from lpfc_pci_remove_one to free | |
3282 | * the internal resources before the device is removed from the system. | |
e59058c4 | 3283 | **/ |
8a9d2e80 | 3284 | static void |
2e0fef85 | 3285 | lpfc_scsi_free(struct lpfc_hba *phba) |
dea3101e JB |
3286 | { |
3287 | struct lpfc_scsi_buf *sb, *sb_next; | |
dea3101e | 3288 | |
895427bd JS |
3289 | if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP)) |
3290 | return; | |
3291 | ||
2e0fef85 | 3292 | spin_lock_irq(&phba->hbalock); |
a40fc5f0 | 3293 | |
dea3101e | 3294 | /* Release all the lpfc_scsi_bufs maintained by this host. */ |
a40fc5f0 JS |
3295 | |
3296 | spin_lock(&phba->scsi_buf_list_put_lock); | |
3297 | list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_put, | |
3298 | list) { | |
dea3101e | 3299 | list_del(&sb->list); |
771db5c0 | 3300 | dma_pool_free(phba->lpfc_sg_dma_buf_pool, sb->data, |
92d7f7b0 | 3301 | sb->dma_handle); |
dea3101e JB |
3302 | kfree(sb); |
3303 | phba->total_scsi_bufs--; | |
3304 | } | |
a40fc5f0 JS |
3305 | spin_unlock(&phba->scsi_buf_list_put_lock); |
3306 | ||
3307 | spin_lock(&phba->scsi_buf_list_get_lock); | |
3308 | list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_get, | |
3309 | list) { | |
dea3101e | 3310 | list_del(&sb->list); |
771db5c0 | 3311 | dma_pool_free(phba->lpfc_sg_dma_buf_pool, sb->data, |
92d7f7b0 | 3312 | sb->dma_handle); |
dea3101e JB |
3313 | kfree(sb); |
3314 | phba->total_scsi_bufs--; | |
3315 | } | |
a40fc5f0 | 3316 | spin_unlock(&phba->scsi_buf_list_get_lock); |
2e0fef85 | 3317 | spin_unlock_irq(&phba->hbalock); |
8a9d2e80 | 3318 | } |
895427bd JS |
3319 | /** |
3320 | * lpfc_nvme_free - Free all the NVME buffers and IOCBs from driver lists | |
3321 | * @phba: pointer to lpfc hba data structure. | |
3322 | * | |
3323 | * This routine is to free all the NVME buffers and IOCBs from the driver | |
3324 | * list back to kernel. It is called from lpfc_pci_remove_one to free | |
3325 | * the internal resources before the device is removed from the system. | |
3326 | **/ | |
3327 | static void | |
3328 | lpfc_nvme_free(struct lpfc_hba *phba) | |
3329 | { | |
3330 | struct lpfc_nvme_buf *lpfc_ncmd, *lpfc_ncmd_next; | |
895427bd JS |
3331 | |
3332 | if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) | |
3333 | return; | |
3334 | ||
3335 | spin_lock_irq(&phba->hbalock); | |
3336 | ||
3337 | /* Release all the lpfc_nvme_bufs maintained by this host. */ | |
3338 | spin_lock(&phba->nvme_buf_list_put_lock); | |
3339 | list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, | |
3340 | &phba->lpfc_nvme_buf_list_put, list) { | |
3341 | list_del(&lpfc_ncmd->list); | |
771db5c0 | 3342 | dma_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data, |
895427bd JS |
3343 | lpfc_ncmd->dma_handle); |
3344 | kfree(lpfc_ncmd); | |
3345 | phba->total_nvme_bufs--; | |
3346 | } | |
3347 | spin_unlock(&phba->nvme_buf_list_put_lock); | |
3348 | ||
3349 | spin_lock(&phba->nvme_buf_list_get_lock); | |
3350 | list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, | |
3351 | &phba->lpfc_nvme_buf_list_get, list) { | |
3352 | list_del(&lpfc_ncmd->list); | |
771db5c0 | 3353 | dma_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data, |
895427bd JS |
3354 | lpfc_ncmd->dma_handle); |
3355 | kfree(lpfc_ncmd); | |
3356 | phba->total_nvme_bufs--; | |
3357 | } | |
3358 | spin_unlock(&phba->nvme_buf_list_get_lock); | |
895427bd JS |
3359 | spin_unlock_irq(&phba->hbalock); |
3360 | } | |
8a9d2e80 | 3361 | /** |
895427bd | 3362 | * lpfc_sli4_els_sgl_update - update ELS xri-sgl sizing and mapping |
8a9d2e80 JS |
3363 | * @phba: pointer to lpfc hba data structure. |
3364 | * | |
3365 | * This routine first calculates the sizes of the current els and allocated | |
3366 | * scsi sgl lists, and then goes through all sgls to updates the physical | |
3367 | * XRIs assigned due to port function reset. During port initialization, the | |
3368 | * current els and allocated scsi sgl lists are 0s. | |
3369 | * | |
3370 | * Return codes | |
3371 | * 0 - successful (for now, it always returns 0) | |
3372 | **/ | |
3373 | int | |
895427bd | 3374 | lpfc_sli4_els_sgl_update(struct lpfc_hba *phba) |
8a9d2e80 JS |
3375 | { |
3376 | struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL; | |
895427bd | 3377 | uint16_t i, lxri, xri_cnt, els_xri_cnt; |
8a9d2e80 | 3378 | LIST_HEAD(els_sgl_list); |
8a9d2e80 JS |
3379 | int rc; |
3380 | ||
3381 | /* | |
3382 | * update on pci function's els xri-sgl list | |
3383 | */ | |
3384 | els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); | |
895427bd | 3385 | |
8a9d2e80 JS |
3386 | if (els_xri_cnt > phba->sli4_hba.els_xri_cnt) { |
3387 | /* els xri-sgl expanded */ | |
3388 | xri_cnt = els_xri_cnt - phba->sli4_hba.els_xri_cnt; | |
3389 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3390 | "3157 ELS xri-sgl count increased from " | |
3391 | "%d to %d\n", phba->sli4_hba.els_xri_cnt, | |
3392 | els_xri_cnt); | |
3393 | /* allocate the additional els sgls */ | |
3394 | for (i = 0; i < xri_cnt; i++) { | |
3395 | sglq_entry = kzalloc(sizeof(struct lpfc_sglq), | |
3396 | GFP_KERNEL); | |
3397 | if (sglq_entry == NULL) { | |
3398 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3399 | "2562 Failure to allocate an " | |
3400 | "ELS sgl entry:%d\n", i); | |
3401 | rc = -ENOMEM; | |
3402 | goto out_free_mem; | |
3403 | } | |
3404 | sglq_entry->buff_type = GEN_BUFF_TYPE; | |
3405 | sglq_entry->virt = lpfc_mbuf_alloc(phba, 0, | |
3406 | &sglq_entry->phys); | |
3407 | if (sglq_entry->virt == NULL) { | |
3408 | kfree(sglq_entry); | |
3409 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3410 | "2563 Failure to allocate an " | |
3411 | "ELS mbuf:%d\n", i); | |
3412 | rc = -ENOMEM; | |
3413 | goto out_free_mem; | |
3414 | } | |
3415 | sglq_entry->sgl = sglq_entry->virt; | |
3416 | memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE); | |
3417 | sglq_entry->state = SGL_FREED; | |
3418 | list_add_tail(&sglq_entry->list, &els_sgl_list); | |
3419 | } | |
38c20673 | 3420 | spin_lock_irq(&phba->hbalock); |
895427bd JS |
3421 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
3422 | list_splice_init(&els_sgl_list, | |
3423 | &phba->sli4_hba.lpfc_els_sgl_list); | |
3424 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
38c20673 | 3425 | spin_unlock_irq(&phba->hbalock); |
8a9d2e80 JS |
3426 | } else if (els_xri_cnt < phba->sli4_hba.els_xri_cnt) { |
3427 | /* els xri-sgl shrinked */ | |
3428 | xri_cnt = phba->sli4_hba.els_xri_cnt - els_xri_cnt; | |
3429 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3430 | "3158 ELS xri-sgl count decreased from " | |
3431 | "%d to %d\n", phba->sli4_hba.els_xri_cnt, | |
3432 | els_xri_cnt); | |
3433 | spin_lock_irq(&phba->hbalock); | |
895427bd JS |
3434 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
3435 | list_splice_init(&phba->sli4_hba.lpfc_els_sgl_list, | |
3436 | &els_sgl_list); | |
8a9d2e80 JS |
3437 | /* release extra els sgls from list */ |
3438 | for (i = 0; i < xri_cnt; i++) { | |
3439 | list_remove_head(&els_sgl_list, | |
3440 | sglq_entry, struct lpfc_sglq, list); | |
3441 | if (sglq_entry) { | |
895427bd JS |
3442 | __lpfc_mbuf_free(phba, sglq_entry->virt, |
3443 | sglq_entry->phys); | |
8a9d2e80 JS |
3444 | kfree(sglq_entry); |
3445 | } | |
3446 | } | |
895427bd JS |
3447 | list_splice_init(&els_sgl_list, |
3448 | &phba->sli4_hba.lpfc_els_sgl_list); | |
3449 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
8a9d2e80 JS |
3450 | spin_unlock_irq(&phba->hbalock); |
3451 | } else | |
3452 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3453 | "3163 ELS xri-sgl count unchanged: %d\n", | |
3454 | els_xri_cnt); | |
3455 | phba->sli4_hba.els_xri_cnt = els_xri_cnt; | |
3456 | ||
3457 | /* update xris to els sgls on the list */ | |
3458 | sglq_entry = NULL; | |
3459 | sglq_entry_next = NULL; | |
3460 | list_for_each_entry_safe(sglq_entry, sglq_entry_next, | |
895427bd | 3461 | &phba->sli4_hba.lpfc_els_sgl_list, list) { |
8a9d2e80 JS |
3462 | lxri = lpfc_sli4_next_xritag(phba); |
3463 | if (lxri == NO_XRI) { | |
3464 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3465 | "2400 Failed to allocate xri for " | |
3466 | "ELS sgl\n"); | |
3467 | rc = -ENOMEM; | |
3468 | goto out_free_mem; | |
3469 | } | |
3470 | sglq_entry->sli4_lxritag = lxri; | |
3471 | sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri]; | |
3472 | } | |
895427bd JS |
3473 | return 0; |
3474 | ||
3475 | out_free_mem: | |
3476 | lpfc_free_els_sgl_list(phba); | |
3477 | return rc; | |
3478 | } | |
3479 | ||
f358dd0c JS |
3480 | /** |
3481 | * lpfc_sli4_nvmet_sgl_update - update xri-sgl sizing and mapping | |
3482 | * @phba: pointer to lpfc hba data structure. | |
3483 | * | |
3484 | * This routine first calculates the sizes of the current els and allocated | |
3485 | * scsi sgl lists, and then goes through all sgls to updates the physical | |
3486 | * XRIs assigned due to port function reset. During port initialization, the | |
3487 | * current els and allocated scsi sgl lists are 0s. | |
3488 | * | |
3489 | * Return codes | |
3490 | * 0 - successful (for now, it always returns 0) | |
3491 | **/ | |
3492 | int | |
3493 | lpfc_sli4_nvmet_sgl_update(struct lpfc_hba *phba) | |
3494 | { | |
3495 | struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL; | |
3496 | uint16_t i, lxri, xri_cnt, els_xri_cnt; | |
6c621a22 | 3497 | uint16_t nvmet_xri_cnt; |
f358dd0c JS |
3498 | LIST_HEAD(nvmet_sgl_list); |
3499 | int rc; | |
3500 | ||
3501 | /* | |
3502 | * update on pci function's nvmet xri-sgl list | |
3503 | */ | |
3504 | els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); | |
61f3d4bf | 3505 | |
6c621a22 JS |
3506 | /* For NVMET, ALL remaining XRIs are dedicated for IO processing */ |
3507 | nvmet_xri_cnt = phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt; | |
f358dd0c JS |
3508 | if (nvmet_xri_cnt > phba->sli4_hba.nvmet_xri_cnt) { |
3509 | /* els xri-sgl expanded */ | |
3510 | xri_cnt = nvmet_xri_cnt - phba->sli4_hba.nvmet_xri_cnt; | |
3511 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3512 | "6302 NVMET xri-sgl cnt grew from %d to %d\n", | |
3513 | phba->sli4_hba.nvmet_xri_cnt, nvmet_xri_cnt); | |
3514 | /* allocate the additional nvmet sgls */ | |
3515 | for (i = 0; i < xri_cnt; i++) { | |
3516 | sglq_entry = kzalloc(sizeof(struct lpfc_sglq), | |
3517 | GFP_KERNEL); | |
3518 | if (sglq_entry == NULL) { | |
3519 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3520 | "6303 Failure to allocate an " | |
3521 | "NVMET sgl entry:%d\n", i); | |
3522 | rc = -ENOMEM; | |
3523 | goto out_free_mem; | |
3524 | } | |
3525 | sglq_entry->buff_type = NVMET_BUFF_TYPE; | |
3526 | sglq_entry->virt = lpfc_nvmet_buf_alloc(phba, 0, | |
3527 | &sglq_entry->phys); | |
3528 | if (sglq_entry->virt == NULL) { | |
3529 | kfree(sglq_entry); | |
3530 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3531 | "6304 Failure to allocate an " | |
3532 | "NVMET buf:%d\n", i); | |
3533 | rc = -ENOMEM; | |
3534 | goto out_free_mem; | |
3535 | } | |
3536 | sglq_entry->sgl = sglq_entry->virt; | |
3537 | memset(sglq_entry->sgl, 0, | |
3538 | phba->cfg_sg_dma_buf_size); | |
3539 | sglq_entry->state = SGL_FREED; | |
3540 | list_add_tail(&sglq_entry->list, &nvmet_sgl_list); | |
3541 | } | |
3542 | spin_lock_irq(&phba->hbalock); | |
3543 | spin_lock(&phba->sli4_hba.sgl_list_lock); | |
3544 | list_splice_init(&nvmet_sgl_list, | |
3545 | &phba->sli4_hba.lpfc_nvmet_sgl_list); | |
3546 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
3547 | spin_unlock_irq(&phba->hbalock); | |
3548 | } else if (nvmet_xri_cnt < phba->sli4_hba.nvmet_xri_cnt) { | |
3549 | /* nvmet xri-sgl shrunk */ | |
3550 | xri_cnt = phba->sli4_hba.nvmet_xri_cnt - nvmet_xri_cnt; | |
3551 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3552 | "6305 NVMET xri-sgl count decreased from " | |
3553 | "%d to %d\n", phba->sli4_hba.nvmet_xri_cnt, | |
3554 | nvmet_xri_cnt); | |
3555 | spin_lock_irq(&phba->hbalock); | |
3556 | spin_lock(&phba->sli4_hba.sgl_list_lock); | |
3557 | list_splice_init(&phba->sli4_hba.lpfc_nvmet_sgl_list, | |
3558 | &nvmet_sgl_list); | |
3559 | /* release extra nvmet sgls from list */ | |
3560 | for (i = 0; i < xri_cnt; i++) { | |
3561 | list_remove_head(&nvmet_sgl_list, | |
3562 | sglq_entry, struct lpfc_sglq, list); | |
3563 | if (sglq_entry) { | |
3564 | lpfc_nvmet_buf_free(phba, sglq_entry->virt, | |
3565 | sglq_entry->phys); | |
3566 | kfree(sglq_entry); | |
3567 | } | |
3568 | } | |
3569 | list_splice_init(&nvmet_sgl_list, | |
3570 | &phba->sli4_hba.lpfc_nvmet_sgl_list); | |
3571 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
3572 | spin_unlock_irq(&phba->hbalock); | |
3573 | } else | |
3574 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3575 | "6306 NVMET xri-sgl count unchanged: %d\n", | |
3576 | nvmet_xri_cnt); | |
3577 | phba->sli4_hba.nvmet_xri_cnt = nvmet_xri_cnt; | |
3578 | ||
3579 | /* update xris to nvmet sgls on the list */ | |
3580 | sglq_entry = NULL; | |
3581 | sglq_entry_next = NULL; | |
3582 | list_for_each_entry_safe(sglq_entry, sglq_entry_next, | |
3583 | &phba->sli4_hba.lpfc_nvmet_sgl_list, list) { | |
3584 | lxri = lpfc_sli4_next_xritag(phba); | |
3585 | if (lxri == NO_XRI) { | |
3586 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3587 | "6307 Failed to allocate xri for " | |
3588 | "NVMET sgl\n"); | |
3589 | rc = -ENOMEM; | |
3590 | goto out_free_mem; | |
3591 | } | |
3592 | sglq_entry->sli4_lxritag = lxri; | |
3593 | sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri]; | |
3594 | } | |
3595 | return 0; | |
3596 | ||
3597 | out_free_mem: | |
3598 | lpfc_free_nvmet_sgl_list(phba); | |
3599 | return rc; | |
3600 | } | |
3601 | ||
895427bd JS |
3602 | /** |
3603 | * lpfc_sli4_scsi_sgl_update - update xri-sgl sizing and mapping | |
3604 | * @phba: pointer to lpfc hba data structure. | |
3605 | * | |
3606 | * This routine first calculates the sizes of the current els and allocated | |
3607 | * scsi sgl lists, and then goes through all sgls to updates the physical | |
3608 | * XRIs assigned due to port function reset. During port initialization, the | |
3609 | * current els and allocated scsi sgl lists are 0s. | |
3610 | * | |
3611 | * Return codes | |
3612 | * 0 - successful (for now, it always returns 0) | |
3613 | **/ | |
3614 | int | |
3615 | lpfc_sli4_scsi_sgl_update(struct lpfc_hba *phba) | |
3616 | { | |
3617 | struct lpfc_scsi_buf *psb, *psb_next; | |
3618 | uint16_t i, lxri, els_xri_cnt, scsi_xri_cnt; | |
3619 | LIST_HEAD(scsi_sgl_list); | |
3620 | int rc; | |
8a9d2e80 JS |
3621 | |
3622 | /* | |
895427bd | 3623 | * update on pci function's els xri-sgl list |
8a9d2e80 | 3624 | */ |
895427bd | 3625 | els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); |
8a9d2e80 JS |
3626 | phba->total_scsi_bufs = 0; |
3627 | ||
895427bd JS |
3628 | /* |
3629 | * update on pci function's allocated scsi xri-sgl list | |
3630 | */ | |
8a9d2e80 JS |
3631 | /* maximum number of xris available for scsi buffers */ |
3632 | phba->sli4_hba.scsi_xri_max = phba->sli4_hba.max_cfg_param.max_xri - | |
3633 | els_xri_cnt; | |
3634 | ||
895427bd JS |
3635 | if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP)) |
3636 | return 0; | |
3637 | ||
3638 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) | |
3639 | phba->sli4_hba.scsi_xri_max = /* Split them up */ | |
3640 | (phba->sli4_hba.scsi_xri_max * | |
3641 | phba->cfg_xri_split) / 100; | |
8a9d2e80 | 3642 | |
a40fc5f0 | 3643 | spin_lock_irq(&phba->scsi_buf_list_get_lock); |
164cecd1 | 3644 | spin_lock(&phba->scsi_buf_list_put_lock); |
a40fc5f0 JS |
3645 | list_splice_init(&phba->lpfc_scsi_buf_list_get, &scsi_sgl_list); |
3646 | list_splice(&phba->lpfc_scsi_buf_list_put, &scsi_sgl_list); | |
164cecd1 | 3647 | spin_unlock(&phba->scsi_buf_list_put_lock); |
a40fc5f0 | 3648 | spin_unlock_irq(&phba->scsi_buf_list_get_lock); |
8a9d2e80 | 3649 | |
e8c0a779 JS |
3650 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
3651 | "6060 Current allocated SCSI xri-sgl count:%d, " | |
3652 | "maximum SCSI xri count:%d (split:%d)\n", | |
3653 | phba->sli4_hba.scsi_xri_cnt, | |
3654 | phba->sli4_hba.scsi_xri_max, phba->cfg_xri_split); | |
3655 | ||
8a9d2e80 JS |
3656 | if (phba->sli4_hba.scsi_xri_cnt > phba->sli4_hba.scsi_xri_max) { |
3657 | /* max scsi xri shrinked below the allocated scsi buffers */ | |
3658 | scsi_xri_cnt = phba->sli4_hba.scsi_xri_cnt - | |
3659 | phba->sli4_hba.scsi_xri_max; | |
3660 | /* release the extra allocated scsi buffers */ | |
3661 | for (i = 0; i < scsi_xri_cnt; i++) { | |
3662 | list_remove_head(&scsi_sgl_list, psb, | |
3663 | struct lpfc_scsi_buf, list); | |
a2fc4aef | 3664 | if (psb) { |
771db5c0 | 3665 | dma_pool_free(phba->lpfc_sg_dma_buf_pool, |
a2fc4aef JS |
3666 | psb->data, psb->dma_handle); |
3667 | kfree(psb); | |
3668 | } | |
8a9d2e80 | 3669 | } |
a40fc5f0 | 3670 | spin_lock_irq(&phba->scsi_buf_list_get_lock); |
8a9d2e80 | 3671 | phba->sli4_hba.scsi_xri_cnt -= scsi_xri_cnt; |
a40fc5f0 | 3672 | spin_unlock_irq(&phba->scsi_buf_list_get_lock); |
8a9d2e80 JS |
3673 | } |
3674 | ||
3675 | /* update xris associated to remaining allocated scsi buffers */ | |
3676 | psb = NULL; | |
3677 | psb_next = NULL; | |
3678 | list_for_each_entry_safe(psb, psb_next, &scsi_sgl_list, list) { | |
3679 | lxri = lpfc_sli4_next_xritag(phba); | |
3680 | if (lxri == NO_XRI) { | |
3681 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3682 | "2560 Failed to allocate xri for " | |
3683 | "scsi buffer\n"); | |
3684 | rc = -ENOMEM; | |
3685 | goto out_free_mem; | |
3686 | } | |
3687 | psb->cur_iocbq.sli4_lxritag = lxri; | |
3688 | psb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri]; | |
3689 | } | |
a40fc5f0 | 3690 | spin_lock_irq(&phba->scsi_buf_list_get_lock); |
164cecd1 | 3691 | spin_lock(&phba->scsi_buf_list_put_lock); |
a40fc5f0 JS |
3692 | list_splice_init(&scsi_sgl_list, &phba->lpfc_scsi_buf_list_get); |
3693 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put); | |
164cecd1 | 3694 | spin_unlock(&phba->scsi_buf_list_put_lock); |
a40fc5f0 | 3695 | spin_unlock_irq(&phba->scsi_buf_list_get_lock); |
dea3101e | 3696 | return 0; |
8a9d2e80 JS |
3697 | |
3698 | out_free_mem: | |
8a9d2e80 JS |
3699 | lpfc_scsi_free(phba); |
3700 | return rc; | |
dea3101e JB |
3701 | } |
3702 | ||
96418b5e JS |
3703 | static uint64_t |
3704 | lpfc_get_wwpn(struct lpfc_hba *phba) | |
3705 | { | |
3706 | uint64_t wwn; | |
3707 | int rc; | |
3708 | LPFC_MBOXQ_t *mboxq; | |
3709 | MAILBOX_t *mb; | |
3710 | ||
96418b5e JS |
3711 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, |
3712 | GFP_KERNEL); | |
3713 | if (!mboxq) | |
3714 | return (uint64_t)-1; | |
3715 | ||
3716 | /* First get WWN of HBA instance */ | |
3717 | lpfc_read_nv(phba, mboxq); | |
3718 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
3719 | if (rc != MBX_SUCCESS) { | |
3720 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3721 | "6019 Mailbox failed , mbxCmd x%x " | |
3722 | "READ_NV, mbxStatus x%x\n", | |
3723 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
3724 | bf_get(lpfc_mqe_status, &mboxq->u.mqe)); | |
3725 | mempool_free(mboxq, phba->mbox_mem_pool); | |
3726 | return (uint64_t) -1; | |
3727 | } | |
3728 | mb = &mboxq->u.mb; | |
3729 | memcpy(&wwn, (char *)mb->un.varRDnvp.portname, sizeof(uint64_t)); | |
3730 | /* wwn is WWPN of HBA instance */ | |
3731 | mempool_free(mboxq, phba->mbox_mem_pool); | |
3732 | if (phba->sli_rev == LPFC_SLI_REV4) | |
3733 | return be64_to_cpu(wwn); | |
3734 | else | |
286871a6 | 3735 | return rol64(wwn, 32); |
96418b5e JS |
3736 | } |
3737 | ||
895427bd JS |
3738 | /** |
3739 | * lpfc_sli4_nvme_sgl_update - update xri-sgl sizing and mapping | |
3740 | * @phba: pointer to lpfc hba data structure. | |
3741 | * | |
3742 | * This routine first calculates the sizes of the current els and allocated | |
3743 | * scsi sgl lists, and then goes through all sgls to updates the physical | |
3744 | * XRIs assigned due to port function reset. During port initialization, the | |
3745 | * current els and allocated scsi sgl lists are 0s. | |
3746 | * | |
3747 | * Return codes | |
3748 | * 0 - successful (for now, it always returns 0) | |
3749 | **/ | |
3750 | int | |
3751 | lpfc_sli4_nvme_sgl_update(struct lpfc_hba *phba) | |
3752 | { | |
3753 | struct lpfc_nvme_buf *lpfc_ncmd = NULL, *lpfc_ncmd_next = NULL; | |
3754 | uint16_t i, lxri, els_xri_cnt; | |
3755 | uint16_t nvme_xri_cnt, nvme_xri_max; | |
3756 | LIST_HEAD(nvme_sgl_list); | |
3757 | int rc; | |
3758 | ||
3759 | phba->total_nvme_bufs = 0; | |
3760 | ||
3761 | if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) | |
3762 | return 0; | |
3763 | /* | |
3764 | * update on pci function's allocated nvme xri-sgl list | |
3765 | */ | |
3766 | ||
3767 | /* maximum number of xris available for nvme buffers */ | |
3768 | els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); | |
3769 | nvme_xri_max = phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt; | |
3770 | phba->sli4_hba.nvme_xri_max = nvme_xri_max; | |
3771 | phba->sli4_hba.nvme_xri_max -= phba->sli4_hba.scsi_xri_max; | |
3772 | ||
3773 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3774 | "6074 Current allocated NVME xri-sgl count:%d, " | |
3775 | "maximum NVME xri count:%d\n", | |
3776 | phba->sli4_hba.nvme_xri_cnt, | |
3777 | phba->sli4_hba.nvme_xri_max); | |
3778 | ||
3779 | spin_lock_irq(&phba->nvme_buf_list_get_lock); | |
3780 | spin_lock(&phba->nvme_buf_list_put_lock); | |
3781 | list_splice_init(&phba->lpfc_nvme_buf_list_get, &nvme_sgl_list); | |
3782 | list_splice(&phba->lpfc_nvme_buf_list_put, &nvme_sgl_list); | |
3783 | spin_unlock(&phba->nvme_buf_list_put_lock); | |
3784 | spin_unlock_irq(&phba->nvme_buf_list_get_lock); | |
3785 | ||
3786 | if (phba->sli4_hba.nvme_xri_cnt > phba->sli4_hba.nvme_xri_max) { | |
3787 | /* max nvme xri shrunk below the allocated nvme buffers */ | |
3788 | spin_lock_irq(&phba->nvme_buf_list_get_lock); | |
3789 | nvme_xri_cnt = phba->sli4_hba.nvme_xri_cnt - | |
3790 | phba->sli4_hba.nvme_xri_max; | |
3791 | spin_unlock_irq(&phba->nvme_buf_list_get_lock); | |
3792 | /* release the extra allocated nvme buffers */ | |
3793 | for (i = 0; i < nvme_xri_cnt; i++) { | |
3794 | list_remove_head(&nvme_sgl_list, lpfc_ncmd, | |
3795 | struct lpfc_nvme_buf, list); | |
3796 | if (lpfc_ncmd) { | |
771db5c0 | 3797 | dma_pool_free(phba->lpfc_sg_dma_buf_pool, |
895427bd JS |
3798 | lpfc_ncmd->data, |
3799 | lpfc_ncmd->dma_handle); | |
3800 | kfree(lpfc_ncmd); | |
3801 | } | |
3802 | } | |
3803 | spin_lock_irq(&phba->nvme_buf_list_get_lock); | |
3804 | phba->sli4_hba.nvme_xri_cnt -= nvme_xri_cnt; | |
3805 | spin_unlock_irq(&phba->nvme_buf_list_get_lock); | |
3806 | } | |
3807 | ||
3808 | /* update xris associated to remaining allocated nvme buffers */ | |
3809 | lpfc_ncmd = NULL; | |
3810 | lpfc_ncmd_next = NULL; | |
3811 | list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, | |
3812 | &nvme_sgl_list, list) { | |
3813 | lxri = lpfc_sli4_next_xritag(phba); | |
3814 | if (lxri == NO_XRI) { | |
3815 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3816 | "6075 Failed to allocate xri for " | |
3817 | "nvme buffer\n"); | |
3818 | rc = -ENOMEM; | |
3819 | goto out_free_mem; | |
3820 | } | |
3821 | lpfc_ncmd->cur_iocbq.sli4_lxritag = lxri; | |
3822 | lpfc_ncmd->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri]; | |
3823 | } | |
3824 | spin_lock_irq(&phba->nvme_buf_list_get_lock); | |
3825 | spin_lock(&phba->nvme_buf_list_put_lock); | |
3826 | list_splice_init(&nvme_sgl_list, &phba->lpfc_nvme_buf_list_get); | |
3827 | INIT_LIST_HEAD(&phba->lpfc_nvme_buf_list_put); | |
3828 | spin_unlock(&phba->nvme_buf_list_put_lock); | |
3829 | spin_unlock_irq(&phba->nvme_buf_list_get_lock); | |
3830 | return 0; | |
3831 | ||
3832 | out_free_mem: | |
3833 | lpfc_nvme_free(phba); | |
3834 | return rc; | |
3835 | } | |
3836 | ||
e59058c4 | 3837 | /** |
3621a710 | 3838 | * lpfc_create_port - Create an FC port |
e59058c4 JS |
3839 | * @phba: pointer to lpfc hba data structure. |
3840 | * @instance: a unique integer ID to this FC port. | |
3841 | * @dev: pointer to the device data structure. | |
3842 | * | |
3843 | * This routine creates a FC port for the upper layer protocol. The FC port | |
3844 | * can be created on top of either a physical port or a virtual port provided | |
3845 | * by the HBA. This routine also allocates a SCSI host data structure (shost) | |
3846 | * and associates the FC port created before adding the shost into the SCSI | |
3847 | * layer. | |
3848 | * | |
3849 | * Return codes | |
3850 | * @vport - pointer to the virtual N_Port data structure. | |
3851 | * NULL - port create failed. | |
3852 | **/ | |
2e0fef85 | 3853 | struct lpfc_vport * |
3de2a653 | 3854 | lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) |
47a8617c | 3855 | { |
2e0fef85 | 3856 | struct lpfc_vport *vport; |
895427bd | 3857 | struct Scsi_Host *shost = NULL; |
2e0fef85 | 3858 | int error = 0; |
96418b5e JS |
3859 | int i; |
3860 | uint64_t wwn; | |
3861 | bool use_no_reset_hba = false; | |
56bc8028 | 3862 | int rc; |
96418b5e | 3863 | |
56bc8028 JS |
3864 | if (lpfc_no_hba_reset_cnt) { |
3865 | if (phba->sli_rev < LPFC_SLI_REV4 && | |
3866 | dev == &phba->pcidev->dev) { | |
3867 | /* Reset the port first */ | |
3868 | lpfc_sli_brdrestart(phba); | |
3869 | rc = lpfc_sli_chipset_init(phba); | |
3870 | if (rc) | |
3871 | return NULL; | |
3872 | } | |
3873 | wwn = lpfc_get_wwpn(phba); | |
3874 | } | |
96418b5e JS |
3875 | |
3876 | for (i = 0; i < lpfc_no_hba_reset_cnt; i++) { | |
3877 | if (wwn == lpfc_no_hba_reset[i]) { | |
3878 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3879 | "6020 Setting use_no_reset port=%llx\n", | |
3880 | wwn); | |
3881 | use_no_reset_hba = true; | |
3882 | break; | |
3883 | } | |
3884 | } | |
47a8617c | 3885 | |
895427bd JS |
3886 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { |
3887 | if (dev != &phba->pcidev->dev) { | |
3888 | shost = scsi_host_alloc(&lpfc_vport_template, | |
3889 | sizeof(struct lpfc_vport)); | |
3890 | } else { | |
96418b5e | 3891 | if (!use_no_reset_hba) |
895427bd JS |
3892 | shost = scsi_host_alloc(&lpfc_template, |
3893 | sizeof(struct lpfc_vport)); | |
3894 | else | |
96418b5e | 3895 | shost = scsi_host_alloc(&lpfc_template_no_hr, |
895427bd JS |
3896 | sizeof(struct lpfc_vport)); |
3897 | } | |
3898 | } else if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { | |
3899 | shost = scsi_host_alloc(&lpfc_template_nvme, | |
ea4142f6 JS |
3900 | sizeof(struct lpfc_vport)); |
3901 | } | |
2e0fef85 JS |
3902 | if (!shost) |
3903 | goto out; | |
47a8617c | 3904 | |
2e0fef85 JS |
3905 | vport = (struct lpfc_vport *) shost->hostdata; |
3906 | vport->phba = phba; | |
2e0fef85 | 3907 | vport->load_flag |= FC_LOADING; |
92d7f7b0 | 3908 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
7f5f3d0d | 3909 | vport->fc_rscn_flush = 0; |
3de2a653 | 3910 | lpfc_get_vport_cfgparam(vport); |
895427bd | 3911 | |
2e0fef85 JS |
3912 | shost->unique_id = instance; |
3913 | shost->max_id = LPFC_MAX_TARGET; | |
3de2a653 | 3914 | shost->max_lun = vport->cfg_max_luns; |
2e0fef85 JS |
3915 | shost->this_id = -1; |
3916 | shost->max_cmd_len = 16; | |
8b0dff14 | 3917 | shost->nr_hw_queues = phba->cfg_fcp_io_channel; |
da0436e9 | 3918 | if (phba->sli_rev == LPFC_SLI_REV4) { |
28baac74 | 3919 | shost->dma_boundary = |
cb5172ea | 3920 | phba->sli4_hba.pc_sli4_params.sge_supp_len-1; |
da0436e9 JS |
3921 | shost->sg_tablesize = phba->cfg_sg_seg_cnt; |
3922 | } | |
81301a9b | 3923 | |
47a8617c | 3924 | /* |
2e0fef85 JS |
3925 | * Set initial can_queue value since 0 is no longer supported and |
3926 | * scsi_add_host will fail. This will be adjusted later based on the | |
3927 | * max xri value determined in hba setup. | |
47a8617c | 3928 | */ |
2e0fef85 | 3929 | shost->can_queue = phba->cfg_hba_queue_depth - 10; |
3de2a653 | 3930 | if (dev != &phba->pcidev->dev) { |
92d7f7b0 JS |
3931 | shost->transportt = lpfc_vport_transport_template; |
3932 | vport->port_type = LPFC_NPIV_PORT; | |
3933 | } else { | |
3934 | shost->transportt = lpfc_transport_template; | |
3935 | vport->port_type = LPFC_PHYSICAL_PORT; | |
3936 | } | |
47a8617c | 3937 | |
2e0fef85 JS |
3938 | /* Initialize all internally managed lists. */ |
3939 | INIT_LIST_HEAD(&vport->fc_nodes); | |
da0436e9 | 3940 | INIT_LIST_HEAD(&vport->rcv_buffer_list); |
2e0fef85 | 3941 | spin_lock_init(&vport->work_port_lock); |
47a8617c | 3942 | |
f22eb4d3 | 3943 | timer_setup(&vport->fc_disctmo, lpfc_disc_timeout, 0); |
47a8617c | 3944 | |
f22eb4d3 | 3945 | timer_setup(&vport->els_tmofunc, lpfc_els_timeout, 0); |
92494144 | 3946 | |
f22eb4d3 | 3947 | timer_setup(&vport->delayed_disc_tmo, lpfc_delayed_disc_tmo, 0); |
92494144 | 3948 | |
d139b9bd | 3949 | error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev); |
2e0fef85 JS |
3950 | if (error) |
3951 | goto out_put_shost; | |
47a8617c | 3952 | |
549e55cd | 3953 | spin_lock_irq(&phba->hbalock); |
2e0fef85 | 3954 | list_add_tail(&vport->listentry, &phba->port_list); |
549e55cd | 3955 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 3956 | return vport; |
47a8617c | 3957 | |
2e0fef85 JS |
3958 | out_put_shost: |
3959 | scsi_host_put(shost); | |
3960 | out: | |
3961 | return NULL; | |
47a8617c JS |
3962 | } |
3963 | ||
e59058c4 | 3964 | /** |
3621a710 | 3965 | * destroy_port - destroy an FC port |
e59058c4 JS |
3966 | * @vport: pointer to an lpfc virtual N_Port data structure. |
3967 | * | |
3968 | * This routine destroys a FC port from the upper layer protocol. All the | |
3969 | * resources associated with the port are released. | |
3970 | **/ | |
2e0fef85 JS |
3971 | void |
3972 | destroy_port(struct lpfc_vport *vport) | |
47a8617c | 3973 | { |
92d7f7b0 JS |
3974 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3975 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 3976 | |
858c9f6c | 3977 | lpfc_debugfs_terminate(vport); |
92d7f7b0 JS |
3978 | fc_remove_host(shost); |
3979 | scsi_remove_host(shost); | |
47a8617c | 3980 | |
92d7f7b0 JS |
3981 | spin_lock_irq(&phba->hbalock); |
3982 | list_del_init(&vport->listentry); | |
3983 | spin_unlock_irq(&phba->hbalock); | |
47a8617c | 3984 | |
92d7f7b0 | 3985 | lpfc_cleanup(vport); |
47a8617c | 3986 | return; |
47a8617c JS |
3987 | } |
3988 | ||
e59058c4 | 3989 | /** |
3621a710 | 3990 | * lpfc_get_instance - Get a unique integer ID |
e59058c4 JS |
3991 | * |
3992 | * This routine allocates a unique integer ID from lpfc_hba_index pool. It | |
3993 | * uses the kernel idr facility to perform the task. | |
3994 | * | |
3995 | * Return codes: | |
3996 | * instance - a unique integer ID allocated as the new instance. | |
3997 | * -1 - lpfc get instance failed. | |
3998 | **/ | |
92d7f7b0 JS |
3999 | int |
4000 | lpfc_get_instance(void) | |
4001 | { | |
ab516036 TH |
4002 | int ret; |
4003 | ||
4004 | ret = idr_alloc(&lpfc_hba_index, NULL, 0, 0, GFP_KERNEL); | |
4005 | return ret < 0 ? -1 : ret; | |
47a8617c JS |
4006 | } |
4007 | ||
e59058c4 | 4008 | /** |
3621a710 | 4009 | * lpfc_scan_finished - method for SCSI layer to detect whether scan is done |
e59058c4 JS |
4010 | * @shost: pointer to SCSI host data structure. |
4011 | * @time: elapsed time of the scan in jiffies. | |
4012 | * | |
4013 | * This routine is called by the SCSI layer with a SCSI host to determine | |
4014 | * whether the scan host is finished. | |
4015 | * | |
4016 | * Note: there is no scan_start function as adapter initialization will have | |
4017 | * asynchronously kicked off the link initialization. | |
4018 | * | |
4019 | * Return codes | |
4020 | * 0 - SCSI host scan is not over yet. | |
4021 | * 1 - SCSI host scan is over. | |
4022 | **/ | |
47a8617c JS |
4023 | int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) |
4024 | { | |
2e0fef85 JS |
4025 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4026 | struct lpfc_hba *phba = vport->phba; | |
858c9f6c | 4027 | int stat = 0; |
47a8617c | 4028 | |
858c9f6c JS |
4029 | spin_lock_irq(shost->host_lock); |
4030 | ||
51ef4c26 | 4031 | if (vport->load_flag & FC_UNLOADING) { |
858c9f6c JS |
4032 | stat = 1; |
4033 | goto finished; | |
4034 | } | |
256ec0d0 | 4035 | if (time >= msecs_to_jiffies(30 * 1000)) { |
2e0fef85 | 4036 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 JS |
4037 | "0461 Scanning longer than 30 " |
4038 | "seconds. Continuing initialization\n"); | |
858c9f6c | 4039 | stat = 1; |
47a8617c | 4040 | goto finished; |
2e0fef85 | 4041 | } |
256ec0d0 JS |
4042 | if (time >= msecs_to_jiffies(15 * 1000) && |
4043 | phba->link_state <= LPFC_LINK_DOWN) { | |
2e0fef85 | 4044 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 JS |
4045 | "0465 Link down longer than 15 " |
4046 | "seconds. Continuing initialization\n"); | |
858c9f6c | 4047 | stat = 1; |
47a8617c | 4048 | goto finished; |
2e0fef85 | 4049 | } |
47a8617c | 4050 | |
2e0fef85 | 4051 | if (vport->port_state != LPFC_VPORT_READY) |
858c9f6c | 4052 | goto finished; |
2e0fef85 | 4053 | if (vport->num_disc_nodes || vport->fc_prli_sent) |
858c9f6c | 4054 | goto finished; |
256ec0d0 | 4055 | if (vport->fc_map_cnt == 0 && time < msecs_to_jiffies(2 * 1000)) |
858c9f6c | 4056 | goto finished; |
2e0fef85 | 4057 | if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) |
858c9f6c JS |
4058 | goto finished; |
4059 | ||
4060 | stat = 1; | |
47a8617c JS |
4061 | |
4062 | finished: | |
858c9f6c JS |
4063 | spin_unlock_irq(shost->host_lock); |
4064 | return stat; | |
92d7f7b0 | 4065 | } |
47a8617c | 4066 | |
e59058c4 | 4067 | /** |
3621a710 | 4068 | * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port |
e59058c4 JS |
4069 | * @shost: pointer to SCSI host data structure. |
4070 | * | |
4071 | * This routine initializes a given SCSI host attributes on a FC port. The | |
4072 | * SCSI host can be either on top of a physical port or a virtual port. | |
4073 | **/ | |
92d7f7b0 JS |
4074 | void lpfc_host_attrib_init(struct Scsi_Host *shost) |
4075 | { | |
4076 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
4077 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 4078 | /* |
2e0fef85 | 4079 | * Set fixed host attributes. Must done after lpfc_sli_hba_setup(). |
47a8617c JS |
4080 | */ |
4081 | ||
2e0fef85 JS |
4082 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); |
4083 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
47a8617c JS |
4084 | fc_host_supported_classes(shost) = FC_COS_CLASS3; |
4085 | ||
4086 | memset(fc_host_supported_fc4s(shost), 0, | |
2e0fef85 | 4087 | sizeof(fc_host_supported_fc4s(shost))); |
47a8617c JS |
4088 | fc_host_supported_fc4s(shost)[2] = 1; |
4089 | fc_host_supported_fc4s(shost)[7] = 1; | |
4090 | ||
92d7f7b0 JS |
4091 | lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), |
4092 | sizeof fc_host_symbolic_name(shost)); | |
47a8617c JS |
4093 | |
4094 | fc_host_supported_speeds(shost) = 0; | |
d38dd52c JS |
4095 | if (phba->lmt & LMT_32Gb) |
4096 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_32GBIT; | |
88a2cfbb JS |
4097 | if (phba->lmt & LMT_16Gb) |
4098 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_16GBIT; | |
47a8617c JS |
4099 | if (phba->lmt & LMT_10Gb) |
4100 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; | |
a8adb832 JS |
4101 | if (phba->lmt & LMT_8Gb) |
4102 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT; | |
47a8617c JS |
4103 | if (phba->lmt & LMT_4Gb) |
4104 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; | |
4105 | if (phba->lmt & LMT_2Gb) | |
4106 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; | |
4107 | if (phba->lmt & LMT_1Gb) | |
4108 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; | |
4109 | ||
4110 | fc_host_maxframe_size(shost) = | |
2e0fef85 JS |
4111 | (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | |
4112 | (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb; | |
47a8617c | 4113 | |
0af5d708 MC |
4114 | fc_host_dev_loss_tmo(shost) = vport->cfg_devloss_tmo; |
4115 | ||
47a8617c JS |
4116 | /* This value is also unchanging */ |
4117 | memset(fc_host_active_fc4s(shost), 0, | |
2e0fef85 | 4118 | sizeof(fc_host_active_fc4s(shost))); |
47a8617c JS |
4119 | fc_host_active_fc4s(shost)[2] = 1; |
4120 | fc_host_active_fc4s(shost)[7] = 1; | |
4121 | ||
92d7f7b0 | 4122 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
47a8617c | 4123 | spin_lock_irq(shost->host_lock); |
51ef4c26 | 4124 | vport->load_flag &= ~FC_LOADING; |
47a8617c | 4125 | spin_unlock_irq(shost->host_lock); |
47a8617c | 4126 | } |
dea3101e | 4127 | |
e59058c4 | 4128 | /** |
da0436e9 | 4129 | * lpfc_stop_port_s3 - Stop SLI3 device port |
e59058c4 JS |
4130 | * @phba: pointer to lpfc hba data structure. |
4131 | * | |
da0436e9 JS |
4132 | * This routine is invoked to stop an SLI3 device port, it stops the device |
4133 | * from generating interrupts and stops the device driver's timers for the | |
4134 | * device. | |
e59058c4 | 4135 | **/ |
da0436e9 JS |
4136 | static void |
4137 | lpfc_stop_port_s3(struct lpfc_hba *phba) | |
db2378e0 | 4138 | { |
da0436e9 JS |
4139 | /* Clear all interrupt enable conditions */ |
4140 | writel(0, phba->HCregaddr); | |
4141 | readl(phba->HCregaddr); /* flush */ | |
4142 | /* Clear all pending interrupts */ | |
4143 | writel(0xffffffff, phba->HAregaddr); | |
4144 | readl(phba->HAregaddr); /* flush */ | |
db2378e0 | 4145 | |
da0436e9 JS |
4146 | /* Reset some HBA SLI setup states */ |
4147 | lpfc_stop_hba_timers(phba); | |
4148 | phba->pport->work_port_events = 0; | |
4149 | } | |
db2378e0 | 4150 | |
da0436e9 JS |
4151 | /** |
4152 | * lpfc_stop_port_s4 - Stop SLI4 device port | |
4153 | * @phba: pointer to lpfc hba data structure. | |
4154 | * | |
4155 | * This routine is invoked to stop an SLI4 device port, it stops the device | |
4156 | * from generating interrupts and stops the device driver's timers for the | |
4157 | * device. | |
4158 | **/ | |
4159 | static void | |
4160 | lpfc_stop_port_s4(struct lpfc_hba *phba) | |
4161 | { | |
4162 | /* Reset some HBA SLI4 setup states */ | |
4163 | lpfc_stop_hba_timers(phba); | |
4164 | phba->pport->work_port_events = 0; | |
4165 | phba->sli4_hba.intr_enable = 0; | |
da0436e9 | 4166 | } |
9399627f | 4167 | |
da0436e9 JS |
4168 | /** |
4169 | * lpfc_stop_port - Wrapper function for stopping hba port | |
4170 | * @phba: Pointer to HBA context object. | |
4171 | * | |
4172 | * This routine wraps the actual SLI3 or SLI4 hba stop port routine from | |
4173 | * the API jump table function pointer from the lpfc_hba struct. | |
4174 | **/ | |
4175 | void | |
4176 | lpfc_stop_port(struct lpfc_hba *phba) | |
4177 | { | |
4178 | phba->lpfc_stop_port(phba); | |
f485c18d DK |
4179 | |
4180 | if (phba->wq) | |
4181 | flush_workqueue(phba->wq); | |
da0436e9 | 4182 | } |
db2378e0 | 4183 | |
ecfd03c6 JS |
4184 | /** |
4185 | * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer | |
4186 | * @phba: Pointer to hba for which this call is being executed. | |
4187 | * | |
4188 | * This routine starts the timer waiting for the FCF rediscovery to complete. | |
4189 | **/ | |
4190 | void | |
4191 | lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba) | |
4192 | { | |
4193 | unsigned long fcf_redisc_wait_tmo = | |
4194 | (jiffies + msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO)); | |
4195 | /* Start fcf rediscovery wait period timer */ | |
4196 | mod_timer(&phba->fcf.redisc_wait, fcf_redisc_wait_tmo); | |
4197 | spin_lock_irq(&phba->hbalock); | |
4198 | /* Allow action to new fcf asynchronous event */ | |
4199 | phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE); | |
4200 | /* Mark the FCF rediscovery pending state */ | |
4201 | phba->fcf.fcf_flag |= FCF_REDISC_PEND; | |
4202 | spin_unlock_irq(&phba->hbalock); | |
4203 | } | |
4204 | ||
4205 | /** | |
4206 | * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout | |
4207 | * @ptr: Map to lpfc_hba data structure pointer. | |
4208 | * | |
4209 | * This routine is invoked when waiting for FCF table rediscover has been | |
4210 | * timed out. If new FCF record(s) has (have) been discovered during the | |
4211 | * wait period, a new FCF event shall be added to the FCOE async event | |
4212 | * list, and then worker thread shall be waked up for processing from the | |
4213 | * worker thread context. | |
4214 | **/ | |
e399b228 | 4215 | static void |
f22eb4d3 | 4216 | lpfc_sli4_fcf_redisc_wait_tmo(struct timer_list *t) |
ecfd03c6 | 4217 | { |
f22eb4d3 | 4218 | struct lpfc_hba *phba = from_timer(phba, t, fcf.redisc_wait); |
ecfd03c6 JS |
4219 | |
4220 | /* Don't send FCF rediscovery event if timer cancelled */ | |
4221 | spin_lock_irq(&phba->hbalock); | |
4222 | if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) { | |
4223 | spin_unlock_irq(&phba->hbalock); | |
4224 | return; | |
4225 | } | |
4226 | /* Clear FCF rediscovery timer pending flag */ | |
4227 | phba->fcf.fcf_flag &= ~FCF_REDISC_PEND; | |
4228 | /* FCF rediscovery event to worker thread */ | |
4229 | phba->fcf.fcf_flag |= FCF_REDISC_EVT; | |
4230 | spin_unlock_irq(&phba->hbalock); | |
0c9ab6f5 | 4231 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a | 4232 | "2776 FCF rediscover quiescent timer expired\n"); |
ecfd03c6 JS |
4233 | /* wake up worker thread */ |
4234 | lpfc_worker_wake_up(phba); | |
4235 | } | |
4236 | ||
e59058c4 | 4237 | /** |
da0436e9 | 4238 | * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code |
e59058c4 | 4239 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 4240 | * @acqe_link: pointer to the async link completion queue entry. |
e59058c4 | 4241 | * |
da0436e9 JS |
4242 | * This routine is to parse the SLI4 link-attention link fault code and |
4243 | * translate it into the base driver's read link attention mailbox command | |
4244 | * status. | |
4245 | * | |
4246 | * Return: Link-attention status in terms of base driver's coding. | |
e59058c4 | 4247 | **/ |
da0436e9 JS |
4248 | static uint16_t |
4249 | lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba, | |
4250 | struct lpfc_acqe_link *acqe_link) | |
db2378e0 | 4251 | { |
da0436e9 | 4252 | uint16_t latt_fault; |
9399627f | 4253 | |
da0436e9 JS |
4254 | switch (bf_get(lpfc_acqe_link_fault, acqe_link)) { |
4255 | case LPFC_ASYNC_LINK_FAULT_NONE: | |
4256 | case LPFC_ASYNC_LINK_FAULT_LOCAL: | |
4257 | case LPFC_ASYNC_LINK_FAULT_REMOTE: | |
4258 | latt_fault = 0; | |
4259 | break; | |
4260 | default: | |
4261 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4262 | "0398 Invalid link fault code: x%x\n", | |
4263 | bf_get(lpfc_acqe_link_fault, acqe_link)); | |
4264 | latt_fault = MBXERR_ERROR; | |
4265 | break; | |
4266 | } | |
4267 | return latt_fault; | |
db2378e0 JS |
4268 | } |
4269 | ||
5b75da2f | 4270 | /** |
da0436e9 | 4271 | * lpfc_sli4_parse_latt_type - Parse sli4 link attention type |
5b75da2f | 4272 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 4273 | * @acqe_link: pointer to the async link completion queue entry. |
5b75da2f | 4274 | * |
da0436e9 JS |
4275 | * This routine is to parse the SLI4 link attention type and translate it |
4276 | * into the base driver's link attention type coding. | |
5b75da2f | 4277 | * |
da0436e9 JS |
4278 | * Return: Link attention type in terms of base driver's coding. |
4279 | **/ | |
4280 | static uint8_t | |
4281 | lpfc_sli4_parse_latt_type(struct lpfc_hba *phba, | |
4282 | struct lpfc_acqe_link *acqe_link) | |
5b75da2f | 4283 | { |
da0436e9 | 4284 | uint8_t att_type; |
5b75da2f | 4285 | |
da0436e9 JS |
4286 | switch (bf_get(lpfc_acqe_link_status, acqe_link)) { |
4287 | case LPFC_ASYNC_LINK_STATUS_DOWN: | |
4288 | case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN: | |
76a95d75 | 4289 | att_type = LPFC_ATT_LINK_DOWN; |
da0436e9 JS |
4290 | break; |
4291 | case LPFC_ASYNC_LINK_STATUS_UP: | |
4292 | /* Ignore physical link up events - wait for logical link up */ | |
76a95d75 | 4293 | att_type = LPFC_ATT_RESERVED; |
da0436e9 JS |
4294 | break; |
4295 | case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP: | |
76a95d75 | 4296 | att_type = LPFC_ATT_LINK_UP; |
da0436e9 JS |
4297 | break; |
4298 | default: | |
4299 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4300 | "0399 Invalid link attention type: x%x\n", | |
4301 | bf_get(lpfc_acqe_link_status, acqe_link)); | |
76a95d75 | 4302 | att_type = LPFC_ATT_RESERVED; |
da0436e9 | 4303 | break; |
5b75da2f | 4304 | } |
da0436e9 | 4305 | return att_type; |
5b75da2f JS |
4306 | } |
4307 | ||
8b68cd52 JS |
4308 | /** |
4309 | * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed | |
4310 | * @phba: pointer to lpfc hba data structure. | |
4311 | * | |
4312 | * This routine is to get an SLI3 FC port's link speed in Mbps. | |
4313 | * | |
4314 | * Return: link speed in terms of Mbps. | |
4315 | **/ | |
4316 | uint32_t | |
4317 | lpfc_sli_port_speed_get(struct lpfc_hba *phba) | |
4318 | { | |
4319 | uint32_t link_speed; | |
4320 | ||
4321 | if (!lpfc_is_link_up(phba)) | |
4322 | return 0; | |
4323 | ||
a085e87c JS |
4324 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
4325 | switch (phba->fc_linkspeed) { | |
4326 | case LPFC_LINK_SPEED_1GHZ: | |
4327 | link_speed = 1000; | |
4328 | break; | |
4329 | case LPFC_LINK_SPEED_2GHZ: | |
4330 | link_speed = 2000; | |
4331 | break; | |
4332 | case LPFC_LINK_SPEED_4GHZ: | |
4333 | link_speed = 4000; | |
4334 | break; | |
4335 | case LPFC_LINK_SPEED_8GHZ: | |
4336 | link_speed = 8000; | |
4337 | break; | |
4338 | case LPFC_LINK_SPEED_10GHZ: | |
4339 | link_speed = 10000; | |
4340 | break; | |
4341 | case LPFC_LINK_SPEED_16GHZ: | |
4342 | link_speed = 16000; | |
4343 | break; | |
4344 | default: | |
4345 | link_speed = 0; | |
4346 | } | |
4347 | } else { | |
4348 | if (phba->sli4_hba.link_state.logical_speed) | |
4349 | link_speed = | |
4350 | phba->sli4_hba.link_state.logical_speed; | |
4351 | else | |
4352 | link_speed = phba->sli4_hba.link_state.speed; | |
8b68cd52 JS |
4353 | } |
4354 | return link_speed; | |
4355 | } | |
4356 | ||
4357 | /** | |
4358 | * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed | |
4359 | * @phba: pointer to lpfc hba data structure. | |
4360 | * @evt_code: asynchronous event code. | |
4361 | * @speed_code: asynchronous event link speed code. | |
4362 | * | |
4363 | * This routine is to parse the giving SLI4 async event link speed code into | |
4364 | * value of Mbps for the link speed. | |
4365 | * | |
4366 | * Return: link speed in terms of Mbps. | |
4367 | **/ | |
4368 | static uint32_t | |
4369 | lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code, | |
4370 | uint8_t speed_code) | |
4371 | { | |
4372 | uint32_t port_speed; | |
4373 | ||
4374 | switch (evt_code) { | |
4375 | case LPFC_TRAILER_CODE_LINK: | |
4376 | switch (speed_code) { | |
26d830ec | 4377 | case LPFC_ASYNC_LINK_SPEED_ZERO: |
8b68cd52 JS |
4378 | port_speed = 0; |
4379 | break; | |
26d830ec | 4380 | case LPFC_ASYNC_LINK_SPEED_10MBPS: |
8b68cd52 JS |
4381 | port_speed = 10; |
4382 | break; | |
26d830ec | 4383 | case LPFC_ASYNC_LINK_SPEED_100MBPS: |
8b68cd52 JS |
4384 | port_speed = 100; |
4385 | break; | |
26d830ec | 4386 | case LPFC_ASYNC_LINK_SPEED_1GBPS: |
8b68cd52 JS |
4387 | port_speed = 1000; |
4388 | break; | |
26d830ec | 4389 | case LPFC_ASYNC_LINK_SPEED_10GBPS: |
8b68cd52 JS |
4390 | port_speed = 10000; |
4391 | break; | |
26d830ec JS |
4392 | case LPFC_ASYNC_LINK_SPEED_20GBPS: |
4393 | port_speed = 20000; | |
4394 | break; | |
4395 | case LPFC_ASYNC_LINK_SPEED_25GBPS: | |
4396 | port_speed = 25000; | |
4397 | break; | |
4398 | case LPFC_ASYNC_LINK_SPEED_40GBPS: | |
4399 | port_speed = 40000; | |
4400 | break; | |
8b68cd52 JS |
4401 | default: |
4402 | port_speed = 0; | |
4403 | } | |
4404 | break; | |
4405 | case LPFC_TRAILER_CODE_FC: | |
4406 | switch (speed_code) { | |
26d830ec | 4407 | case LPFC_FC_LA_SPEED_UNKNOWN: |
8b68cd52 JS |
4408 | port_speed = 0; |
4409 | break; | |
26d830ec | 4410 | case LPFC_FC_LA_SPEED_1G: |
8b68cd52 JS |
4411 | port_speed = 1000; |
4412 | break; | |
26d830ec | 4413 | case LPFC_FC_LA_SPEED_2G: |
8b68cd52 JS |
4414 | port_speed = 2000; |
4415 | break; | |
26d830ec | 4416 | case LPFC_FC_LA_SPEED_4G: |
8b68cd52 JS |
4417 | port_speed = 4000; |
4418 | break; | |
26d830ec | 4419 | case LPFC_FC_LA_SPEED_8G: |
8b68cd52 JS |
4420 | port_speed = 8000; |
4421 | break; | |
26d830ec | 4422 | case LPFC_FC_LA_SPEED_10G: |
8b68cd52 JS |
4423 | port_speed = 10000; |
4424 | break; | |
26d830ec | 4425 | case LPFC_FC_LA_SPEED_16G: |
8b68cd52 JS |
4426 | port_speed = 16000; |
4427 | break; | |
d38dd52c JS |
4428 | case LPFC_FC_LA_SPEED_32G: |
4429 | port_speed = 32000; | |
4430 | break; | |
8b68cd52 JS |
4431 | default: |
4432 | port_speed = 0; | |
4433 | } | |
4434 | break; | |
4435 | default: | |
4436 | port_speed = 0; | |
4437 | } | |
4438 | return port_speed; | |
4439 | } | |
4440 | ||
da0436e9 | 4441 | /** |
70f3c073 | 4442 | * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event |
da0436e9 JS |
4443 | * @phba: pointer to lpfc hba data structure. |
4444 | * @acqe_link: pointer to the async link completion queue entry. | |
4445 | * | |
70f3c073 | 4446 | * This routine is to handle the SLI4 asynchronous FCoE link event. |
da0436e9 JS |
4447 | **/ |
4448 | static void | |
4449 | lpfc_sli4_async_link_evt(struct lpfc_hba *phba, | |
4450 | struct lpfc_acqe_link *acqe_link) | |
4451 | { | |
4452 | struct lpfc_dmabuf *mp; | |
4453 | LPFC_MBOXQ_t *pmb; | |
4454 | MAILBOX_t *mb; | |
76a95d75 | 4455 | struct lpfc_mbx_read_top *la; |
da0436e9 | 4456 | uint8_t att_type; |
76a95d75 | 4457 | int rc; |
da0436e9 JS |
4458 | |
4459 | att_type = lpfc_sli4_parse_latt_type(phba, acqe_link); | |
76a95d75 | 4460 | if (att_type != LPFC_ATT_LINK_DOWN && att_type != LPFC_ATT_LINK_UP) |
da0436e9 | 4461 | return; |
32b9793f | 4462 | phba->fcoe_eventtag = acqe_link->event_tag; |
da0436e9 JS |
4463 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4464 | if (!pmb) { | |
4465 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4466 | "0395 The mboxq allocation failed\n"); | |
4467 | return; | |
4468 | } | |
4469 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
4470 | if (!mp) { | |
4471 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4472 | "0396 The lpfc_dmabuf allocation failed\n"); | |
4473 | goto out_free_pmb; | |
4474 | } | |
4475 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
4476 | if (!mp->virt) { | |
4477 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4478 | "0397 The mbuf allocation failed\n"); | |
4479 | goto out_free_dmabuf; | |
4480 | } | |
4481 | ||
4482 | /* Cleanup any outstanding ELS commands */ | |
4483 | lpfc_els_flush_all_cmd(phba); | |
4484 | ||
4485 | /* Block ELS IOCBs until we have done process link event */ | |
895427bd | 4486 | phba->sli4_hba.els_wq->pring->flag |= LPFC_STOP_IOCB_EVENT; |
da0436e9 JS |
4487 | |
4488 | /* Update link event statistics */ | |
4489 | phba->sli.slistat.link_event++; | |
4490 | ||
76a95d75 JS |
4491 | /* Create lpfc_handle_latt mailbox command from link ACQE */ |
4492 | lpfc_read_topology(phba, pmb, mp); | |
4493 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; | |
da0436e9 JS |
4494 | pmb->vport = phba->pport; |
4495 | ||
da0436e9 JS |
4496 | /* Keep the link status for extra SLI4 state machine reference */ |
4497 | phba->sli4_hba.link_state.speed = | |
8b68cd52 JS |
4498 | lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_LINK, |
4499 | bf_get(lpfc_acqe_link_speed, acqe_link)); | |
da0436e9 JS |
4500 | phba->sli4_hba.link_state.duplex = |
4501 | bf_get(lpfc_acqe_link_duplex, acqe_link); | |
4502 | phba->sli4_hba.link_state.status = | |
4503 | bf_get(lpfc_acqe_link_status, acqe_link); | |
70f3c073 JS |
4504 | phba->sli4_hba.link_state.type = |
4505 | bf_get(lpfc_acqe_link_type, acqe_link); | |
4506 | phba->sli4_hba.link_state.number = | |
4507 | bf_get(lpfc_acqe_link_number, acqe_link); | |
da0436e9 JS |
4508 | phba->sli4_hba.link_state.fault = |
4509 | bf_get(lpfc_acqe_link_fault, acqe_link); | |
65467b6b | 4510 | phba->sli4_hba.link_state.logical_speed = |
8b68cd52 JS |
4511 | bf_get(lpfc_acqe_logical_link_speed, acqe_link) * 10; |
4512 | ||
70f3c073 | 4513 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
c31098ce JS |
4514 | "2900 Async FC/FCoE Link event - Speed:%dGBit " |
4515 | "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d " | |
4516 | "Logical speed:%dMbps Fault:%d\n", | |
70f3c073 JS |
4517 | phba->sli4_hba.link_state.speed, |
4518 | phba->sli4_hba.link_state.topology, | |
4519 | phba->sli4_hba.link_state.status, | |
4520 | phba->sli4_hba.link_state.type, | |
4521 | phba->sli4_hba.link_state.number, | |
8b68cd52 | 4522 | phba->sli4_hba.link_state.logical_speed, |
70f3c073 | 4523 | phba->sli4_hba.link_state.fault); |
76a95d75 JS |
4524 | /* |
4525 | * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch | |
4526 | * topology info. Note: Optional for non FC-AL ports. | |
4527 | */ | |
4528 | if (!(phba->hba_flag & HBA_FCOE_MODE)) { | |
4529 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
4530 | if (rc == MBX_NOT_FINISHED) | |
4531 | goto out_free_dmabuf; | |
4532 | return; | |
4533 | } | |
4534 | /* | |
4535 | * For FCoE Mode: fill in all the topology information we need and call | |
4536 | * the READ_TOPOLOGY completion routine to continue without actually | |
4537 | * sending the READ_TOPOLOGY mailbox command to the port. | |
4538 | */ | |
4539 | /* Parse and translate status field */ | |
4540 | mb = &pmb->u.mb; | |
4541 | mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link); | |
4542 | ||
4543 | /* Parse and translate link attention fields */ | |
4544 | la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop; | |
4545 | la->eventTag = acqe_link->event_tag; | |
4546 | bf_set(lpfc_mbx_read_top_att_type, la, att_type); | |
4547 | bf_set(lpfc_mbx_read_top_link_spd, la, | |
a085e87c | 4548 | (bf_get(lpfc_acqe_link_speed, acqe_link))); |
76a95d75 JS |
4549 | |
4550 | /* Fake the the following irrelvant fields */ | |
4551 | bf_set(lpfc_mbx_read_top_topology, la, LPFC_TOPOLOGY_PT_PT); | |
4552 | bf_set(lpfc_mbx_read_top_alpa_granted, la, 0); | |
4553 | bf_set(lpfc_mbx_read_top_il, la, 0); | |
4554 | bf_set(lpfc_mbx_read_top_pb, la, 0); | |
4555 | bf_set(lpfc_mbx_read_top_fa, la, 0); | |
4556 | bf_set(lpfc_mbx_read_top_mm, la, 0); | |
da0436e9 JS |
4557 | |
4558 | /* Invoke the lpfc_handle_latt mailbox command callback function */ | |
76a95d75 | 4559 | lpfc_mbx_cmpl_read_topology(phba, pmb); |
da0436e9 | 4560 | |
5b75da2f | 4561 | return; |
da0436e9 JS |
4562 | |
4563 | out_free_dmabuf: | |
4564 | kfree(mp); | |
4565 | out_free_pmb: | |
4566 | mempool_free(pmb, phba->mbox_mem_pool); | |
4567 | } | |
4568 | ||
70f3c073 JS |
4569 | /** |
4570 | * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event | |
4571 | * @phba: pointer to lpfc hba data structure. | |
4572 | * @acqe_fc: pointer to the async fc completion queue entry. | |
4573 | * | |
4574 | * This routine is to handle the SLI4 asynchronous FC event. It will simply log | |
4575 | * that the event was received and then issue a read_topology mailbox command so | |
4576 | * that the rest of the driver will treat it the same as SLI3. | |
4577 | **/ | |
4578 | static void | |
4579 | lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc) | |
4580 | { | |
4581 | struct lpfc_dmabuf *mp; | |
4582 | LPFC_MBOXQ_t *pmb; | |
7bdedb34 JS |
4583 | MAILBOX_t *mb; |
4584 | struct lpfc_mbx_read_top *la; | |
70f3c073 JS |
4585 | int rc; |
4586 | ||
4587 | if (bf_get(lpfc_trailer_type, acqe_fc) != | |
4588 | LPFC_FC_LA_EVENT_TYPE_FC_LINK) { | |
4589 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4590 | "2895 Non FC link Event detected.(%d)\n", | |
4591 | bf_get(lpfc_trailer_type, acqe_fc)); | |
4592 | return; | |
4593 | } | |
4594 | /* Keep the link status for extra SLI4 state machine reference */ | |
4595 | phba->sli4_hba.link_state.speed = | |
8b68cd52 JS |
4596 | lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC, |
4597 | bf_get(lpfc_acqe_fc_la_speed, acqe_fc)); | |
70f3c073 JS |
4598 | phba->sli4_hba.link_state.duplex = LPFC_ASYNC_LINK_DUPLEX_FULL; |
4599 | phba->sli4_hba.link_state.topology = | |
4600 | bf_get(lpfc_acqe_fc_la_topology, acqe_fc); | |
4601 | phba->sli4_hba.link_state.status = | |
4602 | bf_get(lpfc_acqe_fc_la_att_type, acqe_fc); | |
4603 | phba->sli4_hba.link_state.type = | |
4604 | bf_get(lpfc_acqe_fc_la_port_type, acqe_fc); | |
4605 | phba->sli4_hba.link_state.number = | |
4606 | bf_get(lpfc_acqe_fc_la_port_number, acqe_fc); | |
4607 | phba->sli4_hba.link_state.fault = | |
4608 | bf_get(lpfc_acqe_link_fault, acqe_fc); | |
4609 | phba->sli4_hba.link_state.logical_speed = | |
8b68cd52 | 4610 | bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10; |
70f3c073 JS |
4611 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
4612 | "2896 Async FC event - Speed:%dGBaud Topology:x%x " | |
4613 | "LA Type:x%x Port Type:%d Port Number:%d Logical speed:" | |
4614 | "%dMbps Fault:%d\n", | |
4615 | phba->sli4_hba.link_state.speed, | |
4616 | phba->sli4_hba.link_state.topology, | |
4617 | phba->sli4_hba.link_state.status, | |
4618 | phba->sli4_hba.link_state.type, | |
4619 | phba->sli4_hba.link_state.number, | |
8b68cd52 | 4620 | phba->sli4_hba.link_state.logical_speed, |
70f3c073 JS |
4621 | phba->sli4_hba.link_state.fault); |
4622 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4623 | if (!pmb) { | |
4624 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4625 | "2897 The mboxq allocation failed\n"); | |
4626 | return; | |
4627 | } | |
4628 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
4629 | if (!mp) { | |
4630 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4631 | "2898 The lpfc_dmabuf allocation failed\n"); | |
4632 | goto out_free_pmb; | |
4633 | } | |
4634 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
4635 | if (!mp->virt) { | |
4636 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4637 | "2899 The mbuf allocation failed\n"); | |
4638 | goto out_free_dmabuf; | |
4639 | } | |
4640 | ||
4641 | /* Cleanup any outstanding ELS commands */ | |
4642 | lpfc_els_flush_all_cmd(phba); | |
4643 | ||
4644 | /* Block ELS IOCBs until we have done process link event */ | |
895427bd | 4645 | phba->sli4_hba.els_wq->pring->flag |= LPFC_STOP_IOCB_EVENT; |
70f3c073 JS |
4646 | |
4647 | /* Update link event statistics */ | |
4648 | phba->sli.slistat.link_event++; | |
4649 | ||
4650 | /* Create lpfc_handle_latt mailbox command from link ACQE */ | |
4651 | lpfc_read_topology(phba, pmb, mp); | |
4652 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; | |
4653 | pmb->vport = phba->pport; | |
4654 | ||
7bdedb34 | 4655 | if (phba->sli4_hba.link_state.status != LPFC_FC_LA_TYPE_LINK_UP) { |
ae9e28f3 JS |
4656 | phba->link_flag &= ~(LS_MDS_LINK_DOWN | LS_MDS_LOOPBACK); |
4657 | ||
4658 | switch (phba->sli4_hba.link_state.status) { | |
4659 | case LPFC_FC_LA_TYPE_MDS_LINK_DOWN: | |
4660 | phba->link_flag |= LS_MDS_LINK_DOWN; | |
4661 | break; | |
4662 | case LPFC_FC_LA_TYPE_MDS_LOOPBACK: | |
4663 | phba->link_flag |= LS_MDS_LOOPBACK; | |
4664 | break; | |
4665 | default: | |
4666 | break; | |
4667 | } | |
4668 | ||
7bdedb34 JS |
4669 | /* Parse and translate status field */ |
4670 | mb = &pmb->u.mb; | |
4671 | mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, | |
4672 | (void *)acqe_fc); | |
4673 | ||
4674 | /* Parse and translate link attention fields */ | |
4675 | la = (struct lpfc_mbx_read_top *)&pmb->u.mb.un.varReadTop; | |
4676 | la->eventTag = acqe_fc->event_tag; | |
7bdedb34 | 4677 | |
aeb3c817 JS |
4678 | if (phba->sli4_hba.link_state.status == |
4679 | LPFC_FC_LA_TYPE_UNEXP_WWPN) { | |
4680 | bf_set(lpfc_mbx_read_top_att_type, la, | |
4681 | LPFC_FC_LA_TYPE_UNEXP_WWPN); | |
4682 | } else { | |
4683 | bf_set(lpfc_mbx_read_top_att_type, la, | |
4684 | LPFC_FC_LA_TYPE_LINK_DOWN); | |
4685 | } | |
7bdedb34 JS |
4686 | /* Invoke the mailbox command callback function */ |
4687 | lpfc_mbx_cmpl_read_topology(phba, pmb); | |
4688 | ||
4689 | return; | |
4690 | } | |
4691 | ||
70f3c073 JS |
4692 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
4693 | if (rc == MBX_NOT_FINISHED) | |
4694 | goto out_free_dmabuf; | |
4695 | return; | |
4696 | ||
4697 | out_free_dmabuf: | |
4698 | kfree(mp); | |
4699 | out_free_pmb: | |
4700 | mempool_free(pmb, phba->mbox_mem_pool); | |
4701 | } | |
4702 | ||
4703 | /** | |
4704 | * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event | |
4705 | * @phba: pointer to lpfc hba data structure. | |
4706 | * @acqe_fc: pointer to the async SLI completion queue entry. | |
4707 | * | |
4708 | * This routine is to handle the SLI4 asynchronous SLI events. | |
4709 | **/ | |
4710 | static void | |
4711 | lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli) | |
4712 | { | |
4b8bae08 | 4713 | char port_name; |
8c1312e1 | 4714 | char message[128]; |
4b8bae08 | 4715 | uint8_t status; |
946727dc | 4716 | uint8_t evt_type; |
448193b5 | 4717 | uint8_t operational = 0; |
946727dc | 4718 | struct temp_event temp_event_data; |
4b8bae08 | 4719 | struct lpfc_acqe_misconfigured_event *misconfigured; |
946727dc JS |
4720 | struct Scsi_Host *shost; |
4721 | ||
4722 | evt_type = bf_get(lpfc_trailer_type, acqe_sli); | |
4b8bae08 | 4723 | |
448193b5 JS |
4724 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
4725 | "2901 Async SLI event - Event Data1:x%08x Event Data2:" | |
4726 | "x%08x SLI Event Type:%d\n", | |
4727 | acqe_sli->event_data1, acqe_sli->event_data2, | |
4728 | evt_type); | |
4b8bae08 JS |
4729 | |
4730 | port_name = phba->Port[0]; | |
4731 | if (port_name == 0x00) | |
4732 | port_name = '?'; /* get port name is empty */ | |
4733 | ||
946727dc JS |
4734 | switch (evt_type) { |
4735 | case LPFC_SLI_EVENT_TYPE_OVER_TEMP: | |
4736 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
4737 | temp_event_data.event_code = LPFC_THRESHOLD_TEMP; | |
4738 | temp_event_data.data = (uint32_t)acqe_sli->event_data1; | |
4739 | ||
4740 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
4741 | "3190 Over Temperature:%d Celsius- Port Name %c\n", | |
4742 | acqe_sli->event_data1, port_name); | |
4743 | ||
310429ef | 4744 | phba->sfp_warning |= LPFC_TRANSGRESSION_HIGH_TEMPERATURE; |
946727dc JS |
4745 | shost = lpfc_shost_from_vport(phba->pport); |
4746 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
4747 | sizeof(temp_event_data), | |
4748 | (char *)&temp_event_data, | |
4749 | SCSI_NL_VID_TYPE_PCI | |
4750 | | PCI_VENDOR_ID_EMULEX); | |
4751 | break; | |
4752 | case LPFC_SLI_EVENT_TYPE_NORM_TEMP: | |
4753 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
4754 | temp_event_data.event_code = LPFC_NORMAL_TEMP; | |
4755 | temp_event_data.data = (uint32_t)acqe_sli->event_data1; | |
4756 | ||
4757 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
4758 | "3191 Normal Temperature:%d Celsius - Port Name %c\n", | |
4759 | acqe_sli->event_data1, port_name); | |
4760 | ||
4761 | shost = lpfc_shost_from_vport(phba->pport); | |
4762 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
4763 | sizeof(temp_event_data), | |
4764 | (char *)&temp_event_data, | |
4765 | SCSI_NL_VID_TYPE_PCI | |
4766 | | PCI_VENDOR_ID_EMULEX); | |
4767 | break; | |
4768 | case LPFC_SLI_EVENT_TYPE_MISCONFIGURED: | |
4769 | misconfigured = (struct lpfc_acqe_misconfigured_event *) | |
4b8bae08 JS |
4770 | &acqe_sli->event_data1; |
4771 | ||
946727dc JS |
4772 | /* fetch the status for this port */ |
4773 | switch (phba->sli4_hba.lnk_info.lnk_no) { | |
4774 | case LPFC_LINK_NUMBER_0: | |
448193b5 JS |
4775 | status = bf_get(lpfc_sli_misconfigured_port0_state, |
4776 | &misconfigured->theEvent); | |
4777 | operational = bf_get(lpfc_sli_misconfigured_port0_op, | |
4b8bae08 | 4778 | &misconfigured->theEvent); |
946727dc JS |
4779 | break; |
4780 | case LPFC_LINK_NUMBER_1: | |
448193b5 JS |
4781 | status = bf_get(lpfc_sli_misconfigured_port1_state, |
4782 | &misconfigured->theEvent); | |
4783 | operational = bf_get(lpfc_sli_misconfigured_port1_op, | |
4b8bae08 | 4784 | &misconfigured->theEvent); |
946727dc JS |
4785 | break; |
4786 | case LPFC_LINK_NUMBER_2: | |
448193b5 JS |
4787 | status = bf_get(lpfc_sli_misconfigured_port2_state, |
4788 | &misconfigured->theEvent); | |
4789 | operational = bf_get(lpfc_sli_misconfigured_port2_op, | |
4b8bae08 | 4790 | &misconfigured->theEvent); |
946727dc JS |
4791 | break; |
4792 | case LPFC_LINK_NUMBER_3: | |
448193b5 JS |
4793 | status = bf_get(lpfc_sli_misconfigured_port3_state, |
4794 | &misconfigured->theEvent); | |
4795 | operational = bf_get(lpfc_sli_misconfigured_port3_op, | |
4b8bae08 | 4796 | &misconfigured->theEvent); |
946727dc JS |
4797 | break; |
4798 | default: | |
448193b5 JS |
4799 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
4800 | "3296 " | |
4801 | "LPFC_SLI_EVENT_TYPE_MISCONFIGURED " | |
4802 | "event: Invalid link %d", | |
4803 | phba->sli4_hba.lnk_info.lnk_no); | |
4804 | return; | |
946727dc | 4805 | } |
4b8bae08 | 4806 | |
448193b5 JS |
4807 | /* Skip if optic state unchanged */ |
4808 | if (phba->sli4_hba.lnk_info.optic_state == status) | |
4809 | return; | |
4810 | ||
946727dc JS |
4811 | switch (status) { |
4812 | case LPFC_SLI_EVENT_STATUS_VALID: | |
448193b5 JS |
4813 | sprintf(message, "Physical Link is functional"); |
4814 | break; | |
946727dc JS |
4815 | case LPFC_SLI_EVENT_STATUS_NOT_PRESENT: |
4816 | sprintf(message, "Optics faulted/incorrectly " | |
4817 | "installed/not installed - Reseat optics, " | |
4818 | "if issue not resolved, replace."); | |
4819 | break; | |
4820 | case LPFC_SLI_EVENT_STATUS_WRONG_TYPE: | |
4821 | sprintf(message, | |
4822 | "Optics of two types installed - Remove one " | |
4823 | "optic or install matching pair of optics."); | |
4824 | break; | |
4825 | case LPFC_SLI_EVENT_STATUS_UNSUPPORTED: | |
4826 | sprintf(message, "Incompatible optics - Replace with " | |
292098be | 4827 | "compatible optics for card to function."); |
946727dc | 4828 | break; |
448193b5 JS |
4829 | case LPFC_SLI_EVENT_STATUS_UNQUALIFIED: |
4830 | sprintf(message, "Unqualified optics - Replace with " | |
4831 | "Avago optics for Warranty and Technical " | |
4832 | "Support - Link is%s operational", | |
2ea259ee | 4833 | (operational) ? " not" : ""); |
448193b5 JS |
4834 | break; |
4835 | case LPFC_SLI_EVENT_STATUS_UNCERTIFIED: | |
4836 | sprintf(message, "Uncertified optics - Replace with " | |
4837 | "Avago-certified optics to enable link " | |
4838 | "operation - Link is%s operational", | |
2ea259ee | 4839 | (operational) ? " not" : ""); |
448193b5 | 4840 | break; |
946727dc JS |
4841 | default: |
4842 | /* firmware is reporting a status we don't know about */ | |
4843 | sprintf(message, "Unknown event status x%02x", status); | |
4844 | break; | |
4845 | } | |
448193b5 | 4846 | phba->sli4_hba.lnk_info.optic_state = status; |
946727dc | 4847 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
448193b5 | 4848 | "3176 Port Name %c %s\n", port_name, message); |
946727dc JS |
4849 | break; |
4850 | case LPFC_SLI_EVENT_TYPE_REMOTE_DPORT: | |
4851 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
4852 | "3192 Remote DPort Test Initiated - " | |
4853 | "Event Data1:x%08x Event Data2: x%08x\n", | |
4854 | acqe_sli->event_data1, acqe_sli->event_data2); | |
4b8bae08 JS |
4855 | break; |
4856 | default: | |
946727dc JS |
4857 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
4858 | "3193 Async SLI event - Event Data1:x%08x Event Data2:" | |
4859 | "x%08x SLI Event Type:%d\n", | |
4860 | acqe_sli->event_data1, acqe_sli->event_data2, | |
4861 | evt_type); | |
4b8bae08 JS |
4862 | break; |
4863 | } | |
70f3c073 JS |
4864 | } |
4865 | ||
fc2b989b JS |
4866 | /** |
4867 | * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport | |
4868 | * @vport: pointer to vport data structure. | |
4869 | * | |
4870 | * This routine is to perform Clear Virtual Link (CVL) on a vport in | |
4871 | * response to a CVL event. | |
4872 | * | |
4873 | * Return the pointer to the ndlp with the vport if successful, otherwise | |
4874 | * return NULL. | |
4875 | **/ | |
4876 | static struct lpfc_nodelist * | |
4877 | lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport) | |
4878 | { | |
4879 | struct lpfc_nodelist *ndlp; | |
4880 | struct Scsi_Host *shost; | |
4881 | struct lpfc_hba *phba; | |
4882 | ||
4883 | if (!vport) | |
4884 | return NULL; | |
fc2b989b JS |
4885 | phba = vport->phba; |
4886 | if (!phba) | |
4887 | return NULL; | |
78730cfe JS |
4888 | ndlp = lpfc_findnode_did(vport, Fabric_DID); |
4889 | if (!ndlp) { | |
4890 | /* Cannot find existing Fabric ndlp, so allocate a new one */ | |
9d3d340d | 4891 | ndlp = lpfc_nlp_init(vport, Fabric_DID); |
78730cfe JS |
4892 | if (!ndlp) |
4893 | return 0; | |
78730cfe JS |
4894 | /* Set the node type */ |
4895 | ndlp->nlp_type |= NLP_FABRIC; | |
4896 | /* Put ndlp onto node list */ | |
4897 | lpfc_enqueue_node(vport, ndlp); | |
4898 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { | |
4899 | /* re-setup ndlp without removing from node list */ | |
4900 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); | |
4901 | if (!ndlp) | |
4902 | return 0; | |
4903 | } | |
63e801ce JS |
4904 | if ((phba->pport->port_state < LPFC_FLOGI) && |
4905 | (phba->pport->port_state != LPFC_VPORT_FAILED)) | |
fc2b989b JS |
4906 | return NULL; |
4907 | /* If virtual link is not yet instantiated ignore CVL */ | |
63e801ce JS |
4908 | if ((vport != phba->pport) && (vport->port_state < LPFC_FDISC) |
4909 | && (vport->port_state != LPFC_VPORT_FAILED)) | |
fc2b989b JS |
4910 | return NULL; |
4911 | shost = lpfc_shost_from_vport(vport); | |
4912 | if (!shost) | |
4913 | return NULL; | |
4914 | lpfc_linkdown_port(vport); | |
4915 | lpfc_cleanup_pending_mbox(vport); | |
4916 | spin_lock_irq(shost->host_lock); | |
4917 | vport->fc_flag |= FC_VPORT_CVL_RCVD; | |
4918 | spin_unlock_irq(shost->host_lock); | |
4919 | ||
4920 | return ndlp; | |
4921 | } | |
4922 | ||
4923 | /** | |
4924 | * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports | |
4925 | * @vport: pointer to lpfc hba data structure. | |
4926 | * | |
4927 | * This routine is to perform Clear Virtual Link (CVL) on all vports in | |
4928 | * response to a FCF dead event. | |
4929 | **/ | |
4930 | static void | |
4931 | lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba) | |
4932 | { | |
4933 | struct lpfc_vport **vports; | |
4934 | int i; | |
4935 | ||
4936 | vports = lpfc_create_vport_work_array(phba); | |
4937 | if (vports) | |
4938 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) | |
4939 | lpfc_sli4_perform_vport_cvl(vports[i]); | |
4940 | lpfc_destroy_vport_work_array(phba, vports); | |
4941 | } | |
4942 | ||
da0436e9 | 4943 | /** |
76a95d75 | 4944 | * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event |
da0436e9 JS |
4945 | * @phba: pointer to lpfc hba data structure. |
4946 | * @acqe_link: pointer to the async fcoe completion queue entry. | |
4947 | * | |
4948 | * This routine is to handle the SLI4 asynchronous fcoe event. | |
4949 | **/ | |
4950 | static void | |
76a95d75 | 4951 | lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, |
70f3c073 | 4952 | struct lpfc_acqe_fip *acqe_fip) |
da0436e9 | 4953 | { |
70f3c073 | 4954 | uint8_t event_type = bf_get(lpfc_trailer_type, acqe_fip); |
da0436e9 | 4955 | int rc; |
6669f9bb JS |
4956 | struct lpfc_vport *vport; |
4957 | struct lpfc_nodelist *ndlp; | |
4958 | struct Scsi_Host *shost; | |
695a814e JS |
4959 | int active_vlink_present; |
4960 | struct lpfc_vport **vports; | |
4961 | int i; | |
da0436e9 | 4962 | |
70f3c073 JS |
4963 | phba->fc_eventTag = acqe_fip->event_tag; |
4964 | phba->fcoe_eventtag = acqe_fip->event_tag; | |
da0436e9 | 4965 | switch (event_type) { |
70f3c073 JS |
4966 | case LPFC_FIP_EVENT_TYPE_NEW_FCF: |
4967 | case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD: | |
4968 | if (event_type == LPFC_FIP_EVENT_TYPE_NEW_FCF) | |
999d813f JS |
4969 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | |
4970 | LOG_DISCOVERY, | |
a93ff37a JS |
4971 | "2546 New FCF event, evt_tag:x%x, " |
4972 | "index:x%x\n", | |
70f3c073 JS |
4973 | acqe_fip->event_tag, |
4974 | acqe_fip->index); | |
999d813f JS |
4975 | else |
4976 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | | |
4977 | LOG_DISCOVERY, | |
a93ff37a JS |
4978 | "2788 FCF param modified event, " |
4979 | "evt_tag:x%x, index:x%x\n", | |
70f3c073 JS |
4980 | acqe_fip->event_tag, |
4981 | acqe_fip->index); | |
38b92ef8 | 4982 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) { |
0c9ab6f5 JS |
4983 | /* |
4984 | * During period of FCF discovery, read the FCF | |
4985 | * table record indexed by the event to update | |
a93ff37a | 4986 | * FCF roundrobin failover eligible FCF bmask. |
0c9ab6f5 JS |
4987 | */ |
4988 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | | |
4989 | LOG_DISCOVERY, | |
a93ff37a JS |
4990 | "2779 Read FCF (x%x) for updating " |
4991 | "roundrobin FCF failover bmask\n", | |
70f3c073 JS |
4992 | acqe_fip->index); |
4993 | rc = lpfc_sli4_read_fcf_rec(phba, acqe_fip->index); | |
0c9ab6f5 | 4994 | } |
38b92ef8 JS |
4995 | |
4996 | /* If the FCF discovery is in progress, do nothing. */ | |
3804dc84 | 4997 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 4998 | if (phba->hba_flag & FCF_TS_INPROG) { |
38b92ef8 JS |
4999 | spin_unlock_irq(&phba->hbalock); |
5000 | break; | |
5001 | } | |
5002 | /* If fast FCF failover rescan event is pending, do nothing */ | |
5003 | if (phba->fcf.fcf_flag & FCF_REDISC_EVT) { | |
5004 | spin_unlock_irq(&phba->hbalock); | |
5005 | break; | |
5006 | } | |
5007 | ||
c2b9712e JS |
5008 | /* If the FCF has been in discovered state, do nothing. */ |
5009 | if (phba->fcf.fcf_flag & FCF_SCAN_DONE) { | |
3804dc84 JS |
5010 | spin_unlock_irq(&phba->hbalock); |
5011 | break; | |
5012 | } | |
5013 | spin_unlock_irq(&phba->hbalock); | |
38b92ef8 | 5014 | |
0c9ab6f5 JS |
5015 | /* Otherwise, scan the entire FCF table and re-discover SAN */ |
5016 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, | |
a93ff37a JS |
5017 | "2770 Start FCF table scan per async FCF " |
5018 | "event, evt_tag:x%x, index:x%x\n", | |
70f3c073 | 5019 | acqe_fip->event_tag, acqe_fip->index); |
0c9ab6f5 JS |
5020 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, |
5021 | LPFC_FCOE_FCF_GET_FIRST); | |
da0436e9 | 5022 | if (rc) |
0c9ab6f5 JS |
5023 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
5024 | "2547 Issue FCF scan read FCF mailbox " | |
a93ff37a | 5025 | "command failed (x%x)\n", rc); |
da0436e9 JS |
5026 | break; |
5027 | ||
70f3c073 | 5028 | case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL: |
da0436e9 | 5029 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e4e74273 | 5030 | "2548 FCF Table full count 0x%x tag 0x%x\n", |
70f3c073 JS |
5031 | bf_get(lpfc_acqe_fip_fcf_count, acqe_fip), |
5032 | acqe_fip->event_tag); | |
da0436e9 JS |
5033 | break; |
5034 | ||
70f3c073 | 5035 | case LPFC_FIP_EVENT_TYPE_FCF_DEAD: |
80c17849 | 5036 | phba->fcoe_cvl_eventtag = acqe_fip->event_tag; |
0c9ab6f5 | 5037 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
a93ff37a | 5038 | "2549 FCF (x%x) disconnected from network, " |
70f3c073 | 5039 | "tag:x%x\n", acqe_fip->index, acqe_fip->event_tag); |
38b92ef8 JS |
5040 | /* |
5041 | * If we are in the middle of FCF failover process, clear | |
5042 | * the corresponding FCF bit in the roundrobin bitmap. | |
da0436e9 | 5043 | */ |
fc2b989b | 5044 | spin_lock_irq(&phba->hbalock); |
a1cadfef JS |
5045 | if ((phba->fcf.fcf_flag & FCF_DISCOVERY) && |
5046 | (phba->fcf.current_rec.fcf_indx != acqe_fip->index)) { | |
fc2b989b | 5047 | spin_unlock_irq(&phba->hbalock); |
0c9ab6f5 | 5048 | /* Update FLOGI FCF failover eligible FCF bmask */ |
70f3c073 | 5049 | lpfc_sli4_fcf_rr_index_clear(phba, acqe_fip->index); |
fc2b989b JS |
5050 | break; |
5051 | } | |
38b92ef8 JS |
5052 | spin_unlock_irq(&phba->hbalock); |
5053 | ||
5054 | /* If the event is not for currently used fcf do nothing */ | |
70f3c073 | 5055 | if (phba->fcf.current_rec.fcf_indx != acqe_fip->index) |
38b92ef8 JS |
5056 | break; |
5057 | ||
5058 | /* | |
5059 | * Otherwise, request the port to rediscover the entire FCF | |
5060 | * table for a fast recovery from case that the current FCF | |
5061 | * is no longer valid as we are not in the middle of FCF | |
5062 | * failover process already. | |
5063 | */ | |
c2b9712e JS |
5064 | spin_lock_irq(&phba->hbalock); |
5065 | /* Mark the fast failover process in progress */ | |
5066 | phba->fcf.fcf_flag |= FCF_DEAD_DISC; | |
5067 | spin_unlock_irq(&phba->hbalock); | |
5068 | ||
5069 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, | |
5070 | "2771 Start FCF fast failover process due to " | |
5071 | "FCF DEAD event: evt_tag:x%x, fcf_index:x%x " | |
5072 | "\n", acqe_fip->event_tag, acqe_fip->index); | |
5073 | rc = lpfc_sli4_redisc_fcf_table(phba); | |
5074 | if (rc) { | |
5075 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | | |
5076 | LOG_DISCOVERY, | |
5077 | "2772 Issue FCF rediscover mabilbox " | |
5078 | "command failed, fail through to FCF " | |
5079 | "dead event\n"); | |
5080 | spin_lock_irq(&phba->hbalock); | |
5081 | phba->fcf.fcf_flag &= ~FCF_DEAD_DISC; | |
5082 | spin_unlock_irq(&phba->hbalock); | |
5083 | /* | |
5084 | * Last resort will fail over by treating this | |
5085 | * as a link down to FCF registration. | |
5086 | */ | |
5087 | lpfc_sli4_fcf_dead_failthrough(phba); | |
5088 | } else { | |
5089 | /* Reset FCF roundrobin bmask for new discovery */ | |
5090 | lpfc_sli4_clear_fcf_rr_bmask(phba); | |
5091 | /* | |
5092 | * Handling fast FCF failover to a DEAD FCF event is | |
5093 | * considered equalivant to receiving CVL to all vports. | |
5094 | */ | |
5095 | lpfc_sli4_perform_all_vport_cvl(phba); | |
5096 | } | |
da0436e9 | 5097 | break; |
70f3c073 | 5098 | case LPFC_FIP_EVENT_TYPE_CVL: |
80c17849 | 5099 | phba->fcoe_cvl_eventtag = acqe_fip->event_tag; |
0c9ab6f5 | 5100 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
6669f9bb | 5101 | "2718 Clear Virtual Link Received for VPI 0x%x" |
70f3c073 | 5102 | " tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag); |
6d368e53 | 5103 | |
6669f9bb | 5104 | vport = lpfc_find_vport_by_vpid(phba, |
5248a749 | 5105 | acqe_fip->index); |
fc2b989b | 5106 | ndlp = lpfc_sli4_perform_vport_cvl(vport); |
6669f9bb JS |
5107 | if (!ndlp) |
5108 | break; | |
695a814e JS |
5109 | active_vlink_present = 0; |
5110 | ||
5111 | vports = lpfc_create_vport_work_array(phba); | |
5112 | if (vports) { | |
5113 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; | |
5114 | i++) { | |
5115 | if ((!(vports[i]->fc_flag & | |
5116 | FC_VPORT_CVL_RCVD)) && | |
5117 | (vports[i]->port_state > LPFC_FDISC)) { | |
5118 | active_vlink_present = 1; | |
5119 | break; | |
5120 | } | |
5121 | } | |
5122 | lpfc_destroy_vport_work_array(phba, vports); | |
5123 | } | |
5124 | ||
cc82355a JS |
5125 | /* |
5126 | * Don't re-instantiate if vport is marked for deletion. | |
5127 | * If we are here first then vport_delete is going to wait | |
5128 | * for discovery to complete. | |
5129 | */ | |
5130 | if (!(vport->load_flag & FC_UNLOADING) && | |
5131 | active_vlink_present) { | |
695a814e JS |
5132 | /* |
5133 | * If there are other active VLinks present, | |
5134 | * re-instantiate the Vlink using FDISC. | |
5135 | */ | |
256ec0d0 JS |
5136 | mod_timer(&ndlp->nlp_delayfunc, |
5137 | jiffies + msecs_to_jiffies(1000)); | |
fc2b989b | 5138 | shost = lpfc_shost_from_vport(vport); |
6669f9bb JS |
5139 | spin_lock_irq(shost->host_lock); |
5140 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
5141 | spin_unlock_irq(shost->host_lock); | |
695a814e JS |
5142 | ndlp->nlp_last_elscmd = ELS_CMD_FDISC; |
5143 | vport->port_state = LPFC_FDISC; | |
5144 | } else { | |
ecfd03c6 JS |
5145 | /* |
5146 | * Otherwise, we request port to rediscover | |
5147 | * the entire FCF table for a fast recovery | |
5148 | * from possible case that the current FCF | |
0c9ab6f5 JS |
5149 | * is no longer valid if we are not already |
5150 | * in the FCF failover process. | |
ecfd03c6 | 5151 | */ |
fc2b989b | 5152 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 5153 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) { |
fc2b989b JS |
5154 | spin_unlock_irq(&phba->hbalock); |
5155 | break; | |
5156 | } | |
5157 | /* Mark the fast failover process in progress */ | |
0c9ab6f5 | 5158 | phba->fcf.fcf_flag |= FCF_ACVL_DISC; |
fc2b989b | 5159 | spin_unlock_irq(&phba->hbalock); |
0c9ab6f5 JS |
5160 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | |
5161 | LOG_DISCOVERY, | |
a93ff37a | 5162 | "2773 Start FCF failover per CVL, " |
70f3c073 | 5163 | "evt_tag:x%x\n", acqe_fip->event_tag); |
ecfd03c6 | 5164 | rc = lpfc_sli4_redisc_fcf_table(phba); |
fc2b989b | 5165 | if (rc) { |
0c9ab6f5 JS |
5166 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | |
5167 | LOG_DISCOVERY, | |
5168 | "2774 Issue FCF rediscover " | |
5169 | "mabilbox command failed, " | |
5170 | "through to CVL event\n"); | |
fc2b989b | 5171 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 5172 | phba->fcf.fcf_flag &= ~FCF_ACVL_DISC; |
fc2b989b | 5173 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
5174 | /* |
5175 | * Last resort will be re-try on the | |
5176 | * the current registered FCF entry. | |
5177 | */ | |
5178 | lpfc_retry_pport_discovery(phba); | |
38b92ef8 JS |
5179 | } else |
5180 | /* | |
5181 | * Reset FCF roundrobin bmask for new | |
5182 | * discovery. | |
5183 | */ | |
7d791df7 | 5184 | lpfc_sli4_clear_fcf_rr_bmask(phba); |
6669f9bb JS |
5185 | } |
5186 | break; | |
da0436e9 JS |
5187 | default: |
5188 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
5189 | "0288 Unknown FCoE event type 0x%x event tag " | |
70f3c073 | 5190 | "0x%x\n", event_type, acqe_fip->event_tag); |
da0436e9 JS |
5191 | break; |
5192 | } | |
5193 | } | |
5194 | ||
5195 | /** | |
5196 | * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event | |
5197 | * @phba: pointer to lpfc hba data structure. | |
5198 | * @acqe_link: pointer to the async dcbx completion queue entry. | |
5199 | * | |
5200 | * This routine is to handle the SLI4 asynchronous dcbx event. | |
5201 | **/ | |
5202 | static void | |
5203 | lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba, | |
5204 | struct lpfc_acqe_dcbx *acqe_dcbx) | |
5205 | { | |
4d9ab994 | 5206 | phba->fc_eventTag = acqe_dcbx->event_tag; |
da0436e9 JS |
5207 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
5208 | "0290 The SLI4 DCBX asynchronous event is not " | |
5209 | "handled yet\n"); | |
5210 | } | |
5211 | ||
b19a061a JS |
5212 | /** |
5213 | * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event | |
5214 | * @phba: pointer to lpfc hba data structure. | |
5215 | * @acqe_link: pointer to the async grp5 completion queue entry. | |
5216 | * | |
5217 | * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event | |
5218 | * is an asynchronous notified of a logical link speed change. The Port | |
5219 | * reports the logical link speed in units of 10Mbps. | |
5220 | **/ | |
5221 | static void | |
5222 | lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba, | |
5223 | struct lpfc_acqe_grp5 *acqe_grp5) | |
5224 | { | |
5225 | uint16_t prev_ll_spd; | |
5226 | ||
5227 | phba->fc_eventTag = acqe_grp5->event_tag; | |
5228 | phba->fcoe_eventtag = acqe_grp5->event_tag; | |
5229 | prev_ll_spd = phba->sli4_hba.link_state.logical_speed; | |
5230 | phba->sli4_hba.link_state.logical_speed = | |
8b68cd52 | 5231 | (bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5)) * 10; |
b19a061a JS |
5232 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
5233 | "2789 GRP5 Async Event: Updating logical link speed " | |
8b68cd52 JS |
5234 | "from %dMbps to %dMbps\n", prev_ll_spd, |
5235 | phba->sli4_hba.link_state.logical_speed); | |
b19a061a JS |
5236 | } |
5237 | ||
da0436e9 JS |
5238 | /** |
5239 | * lpfc_sli4_async_event_proc - Process all the pending asynchronous event | |
5240 | * @phba: pointer to lpfc hba data structure. | |
5241 | * | |
5242 | * This routine is invoked by the worker thread to process all the pending | |
5243 | * SLI4 asynchronous events. | |
5244 | **/ | |
5245 | void lpfc_sli4_async_event_proc(struct lpfc_hba *phba) | |
5246 | { | |
5247 | struct lpfc_cq_event *cq_event; | |
5248 | ||
5249 | /* First, declare the async event has been handled */ | |
5250 | spin_lock_irq(&phba->hbalock); | |
5251 | phba->hba_flag &= ~ASYNC_EVENT; | |
5252 | spin_unlock_irq(&phba->hbalock); | |
5253 | /* Now, handle all the async events */ | |
5254 | while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) { | |
5255 | /* Get the first event from the head of the event queue */ | |
5256 | spin_lock_irq(&phba->hbalock); | |
5257 | list_remove_head(&phba->sli4_hba.sp_asynce_work_queue, | |
5258 | cq_event, struct lpfc_cq_event, list); | |
5259 | spin_unlock_irq(&phba->hbalock); | |
5260 | /* Process the asynchronous event */ | |
5261 | switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) { | |
5262 | case LPFC_TRAILER_CODE_LINK: | |
5263 | lpfc_sli4_async_link_evt(phba, | |
5264 | &cq_event->cqe.acqe_link); | |
5265 | break; | |
5266 | case LPFC_TRAILER_CODE_FCOE: | |
70f3c073 | 5267 | lpfc_sli4_async_fip_evt(phba, &cq_event->cqe.acqe_fip); |
da0436e9 JS |
5268 | break; |
5269 | case LPFC_TRAILER_CODE_DCBX: | |
5270 | lpfc_sli4_async_dcbx_evt(phba, | |
5271 | &cq_event->cqe.acqe_dcbx); | |
5272 | break; | |
b19a061a JS |
5273 | case LPFC_TRAILER_CODE_GRP5: |
5274 | lpfc_sli4_async_grp5_evt(phba, | |
5275 | &cq_event->cqe.acqe_grp5); | |
5276 | break; | |
70f3c073 JS |
5277 | case LPFC_TRAILER_CODE_FC: |
5278 | lpfc_sli4_async_fc_evt(phba, &cq_event->cqe.acqe_fc); | |
5279 | break; | |
5280 | case LPFC_TRAILER_CODE_SLI: | |
5281 | lpfc_sli4_async_sli_evt(phba, &cq_event->cqe.acqe_sli); | |
5282 | break; | |
da0436e9 JS |
5283 | default: |
5284 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
5285 | "1804 Invalid asynchrous event code: " | |
5286 | "x%x\n", bf_get(lpfc_trailer_code, | |
5287 | &cq_event->cqe.mcqe_cmpl)); | |
5288 | break; | |
5289 | } | |
5290 | /* Free the completion event processed to the free pool */ | |
5291 | lpfc_sli4_cq_event_release(phba, cq_event); | |
5292 | } | |
5293 | } | |
5294 | ||
ecfd03c6 JS |
5295 | /** |
5296 | * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event | |
5297 | * @phba: pointer to lpfc hba data structure. | |
5298 | * | |
5299 | * This routine is invoked by the worker thread to process FCF table | |
5300 | * rediscovery pending completion event. | |
5301 | **/ | |
5302 | void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba) | |
5303 | { | |
5304 | int rc; | |
5305 | ||
5306 | spin_lock_irq(&phba->hbalock); | |
5307 | /* Clear FCF rediscovery timeout event */ | |
5308 | phba->fcf.fcf_flag &= ~FCF_REDISC_EVT; | |
5309 | /* Clear driver fast failover FCF record flag */ | |
5310 | phba->fcf.failover_rec.flag = 0; | |
5311 | /* Set state for FCF fast failover */ | |
5312 | phba->fcf.fcf_flag |= FCF_REDISC_FOV; | |
5313 | spin_unlock_irq(&phba->hbalock); | |
5314 | ||
5315 | /* Scan FCF table from the first entry to re-discover SAN */ | |
0c9ab6f5 | 5316 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, |
a93ff37a | 5317 | "2777 Start post-quiescent FCF table scan\n"); |
0c9ab6f5 | 5318 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); |
ecfd03c6 | 5319 | if (rc) |
0c9ab6f5 JS |
5320 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
5321 | "2747 Issue FCF scan read FCF mailbox " | |
5322 | "command failed 0x%x\n", rc); | |
ecfd03c6 JS |
5323 | } |
5324 | ||
da0436e9 JS |
5325 | /** |
5326 | * lpfc_api_table_setup - Set up per hba pci-device group func api jump table | |
5327 | * @phba: pointer to lpfc hba data structure. | |
5328 | * @dev_grp: The HBA PCI-Device group number. | |
5329 | * | |
5330 | * This routine is invoked to set up the per HBA PCI-Device group function | |
5331 | * API jump table entries. | |
5332 | * | |
5333 | * Return: 0 if success, otherwise -ENODEV | |
5334 | **/ | |
5335 | int | |
5336 | lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
5337 | { | |
5338 | int rc; | |
5339 | ||
5340 | /* Set up lpfc PCI-device group */ | |
5341 | phba->pci_dev_grp = dev_grp; | |
5342 | ||
5343 | /* The LPFC_PCI_DEV_OC uses SLI4 */ | |
5344 | if (dev_grp == LPFC_PCI_DEV_OC) | |
5345 | phba->sli_rev = LPFC_SLI_REV4; | |
5346 | ||
5347 | /* Set up device INIT API function jump table */ | |
5348 | rc = lpfc_init_api_table_setup(phba, dev_grp); | |
5349 | if (rc) | |
5350 | return -ENODEV; | |
5351 | /* Set up SCSI API function jump table */ | |
5352 | rc = lpfc_scsi_api_table_setup(phba, dev_grp); | |
5353 | if (rc) | |
5354 | return -ENODEV; | |
5355 | /* Set up SLI API function jump table */ | |
5356 | rc = lpfc_sli_api_table_setup(phba, dev_grp); | |
5357 | if (rc) | |
5358 | return -ENODEV; | |
5359 | /* Set up MBOX API function jump table */ | |
5360 | rc = lpfc_mbox_api_table_setup(phba, dev_grp); | |
5361 | if (rc) | |
5362 | return -ENODEV; | |
5363 | ||
5364 | return 0; | |
5b75da2f JS |
5365 | } |
5366 | ||
5367 | /** | |
3621a710 | 5368 | * lpfc_log_intr_mode - Log the active interrupt mode |
5b75da2f JS |
5369 | * @phba: pointer to lpfc hba data structure. |
5370 | * @intr_mode: active interrupt mode adopted. | |
5371 | * | |
5372 | * This routine it invoked to log the currently used active interrupt mode | |
5373 | * to the device. | |
3772a991 JS |
5374 | **/ |
5375 | static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode) | |
5b75da2f JS |
5376 | { |
5377 | switch (intr_mode) { | |
5378 | case 0: | |
5379 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5380 | "0470 Enable INTx interrupt mode.\n"); | |
5381 | break; | |
5382 | case 1: | |
5383 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5384 | "0481 Enabled MSI interrupt mode.\n"); | |
5385 | break; | |
5386 | case 2: | |
5387 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5388 | "0480 Enabled MSI-X interrupt mode.\n"); | |
5389 | break; | |
5390 | default: | |
5391 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5392 | "0482 Illegal interrupt mode.\n"); | |
5393 | break; | |
5394 | } | |
5395 | return; | |
5396 | } | |
5397 | ||
5b75da2f | 5398 | /** |
3772a991 | 5399 | * lpfc_enable_pci_dev - Enable a generic PCI device. |
5b75da2f JS |
5400 | * @phba: pointer to lpfc hba data structure. |
5401 | * | |
3772a991 JS |
5402 | * This routine is invoked to enable the PCI device that is common to all |
5403 | * PCI devices. | |
5b75da2f JS |
5404 | * |
5405 | * Return codes | |
af901ca1 | 5406 | * 0 - successful |
3772a991 | 5407 | * other values - error |
5b75da2f | 5408 | **/ |
3772a991 JS |
5409 | static int |
5410 | lpfc_enable_pci_dev(struct lpfc_hba *phba) | |
5b75da2f | 5411 | { |
3772a991 | 5412 | struct pci_dev *pdev; |
5b75da2f | 5413 | |
3772a991 JS |
5414 | /* Obtain PCI device reference */ |
5415 | if (!phba->pcidev) | |
5416 | goto out_error; | |
5417 | else | |
5418 | pdev = phba->pcidev; | |
3772a991 JS |
5419 | /* Enable PCI device */ |
5420 | if (pci_enable_device_mem(pdev)) | |
5421 | goto out_error; | |
5422 | /* Request PCI resource for the device */ | |
e0c0483c | 5423 | if (pci_request_mem_regions(pdev, LPFC_DRIVER_NAME)) |
3772a991 JS |
5424 | goto out_disable_device; |
5425 | /* Set up device as PCI master and save state for EEH */ | |
5426 | pci_set_master(pdev); | |
5427 | pci_try_set_mwi(pdev); | |
5428 | pci_save_state(pdev); | |
5b75da2f | 5429 | |
0558056c | 5430 | /* PCIe EEH recovery on powerpc platforms needs fundamental reset */ |
453193e0 | 5431 | if (pci_is_pcie(pdev)) |
0558056c JS |
5432 | pdev->needs_freset = 1; |
5433 | ||
3772a991 | 5434 | return 0; |
5b75da2f | 5435 | |
3772a991 JS |
5436 | out_disable_device: |
5437 | pci_disable_device(pdev); | |
5438 | out_error: | |
079b5c91 | 5439 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e0c0483c | 5440 | "1401 Failed to enable pci device\n"); |
3772a991 | 5441 | return -ENODEV; |
5b75da2f JS |
5442 | } |
5443 | ||
5444 | /** | |
3772a991 | 5445 | * lpfc_disable_pci_dev - Disable a generic PCI device. |
5b75da2f JS |
5446 | * @phba: pointer to lpfc hba data structure. |
5447 | * | |
3772a991 JS |
5448 | * This routine is invoked to disable the PCI device that is common to all |
5449 | * PCI devices. | |
5b75da2f JS |
5450 | **/ |
5451 | static void | |
3772a991 | 5452 | lpfc_disable_pci_dev(struct lpfc_hba *phba) |
5b75da2f | 5453 | { |
3772a991 | 5454 | struct pci_dev *pdev; |
5b75da2f | 5455 | |
3772a991 JS |
5456 | /* Obtain PCI device reference */ |
5457 | if (!phba->pcidev) | |
5458 | return; | |
5459 | else | |
5460 | pdev = phba->pcidev; | |
3772a991 | 5461 | /* Release PCI resource and disable PCI device */ |
e0c0483c | 5462 | pci_release_mem_regions(pdev); |
3772a991 | 5463 | pci_disable_device(pdev); |
5b75da2f JS |
5464 | |
5465 | return; | |
5466 | } | |
5467 | ||
e59058c4 | 5468 | /** |
3772a991 JS |
5469 | * lpfc_reset_hba - Reset a hba |
5470 | * @phba: pointer to lpfc hba data structure. | |
e59058c4 | 5471 | * |
3772a991 JS |
5472 | * This routine is invoked to reset a hba device. It brings the HBA |
5473 | * offline, performs a board restart, and then brings the board back | |
5474 | * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up | |
5475 | * on outstanding mailbox commands. | |
e59058c4 | 5476 | **/ |
3772a991 JS |
5477 | void |
5478 | lpfc_reset_hba(struct lpfc_hba *phba) | |
dea3101e | 5479 | { |
3772a991 JS |
5480 | /* If resets are disabled then set error state and return. */ |
5481 | if (!phba->cfg_enable_hba_reset) { | |
5482 | phba->link_state = LPFC_HBA_ERROR; | |
5483 | return; | |
5484 | } | |
ee62021a JS |
5485 | if (phba->sli.sli_flag & LPFC_SLI_ACTIVE) |
5486 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); | |
5487 | else | |
5488 | lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); | |
3772a991 JS |
5489 | lpfc_offline(phba); |
5490 | lpfc_sli_brdrestart(phba); | |
5491 | lpfc_online(phba); | |
5492 | lpfc_unblock_mgmt_io(phba); | |
5493 | } | |
dea3101e | 5494 | |
0a96e975 JS |
5495 | /** |
5496 | * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions | |
5497 | * @phba: pointer to lpfc hba data structure. | |
5498 | * | |
5499 | * This function enables the PCI SR-IOV virtual functions to a physical | |
5500 | * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to | |
5501 | * enable the number of virtual functions to the physical function. As | |
5502 | * not all devices support SR-IOV, the return code from the pci_enable_sriov() | |
5503 | * API call does not considered as an error condition for most of the device. | |
5504 | **/ | |
5505 | uint16_t | |
5506 | lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *phba) | |
5507 | { | |
5508 | struct pci_dev *pdev = phba->pcidev; | |
5509 | uint16_t nr_virtfn; | |
5510 | int pos; | |
5511 | ||
0a96e975 JS |
5512 | pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV); |
5513 | if (pos == 0) | |
5514 | return 0; | |
5515 | ||
5516 | pci_read_config_word(pdev, pos + PCI_SRIOV_TOTAL_VF, &nr_virtfn); | |
5517 | return nr_virtfn; | |
5518 | } | |
5519 | ||
912e3acd JS |
5520 | /** |
5521 | * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions | |
5522 | * @phba: pointer to lpfc hba data structure. | |
5523 | * @nr_vfn: number of virtual functions to be enabled. | |
5524 | * | |
5525 | * This function enables the PCI SR-IOV virtual functions to a physical | |
5526 | * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to | |
5527 | * enable the number of virtual functions to the physical function. As | |
5528 | * not all devices support SR-IOV, the return code from the pci_enable_sriov() | |
5529 | * API call does not considered as an error condition for most of the device. | |
5530 | **/ | |
5531 | int | |
5532 | lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn) | |
5533 | { | |
5534 | struct pci_dev *pdev = phba->pcidev; | |
0a96e975 | 5535 | uint16_t max_nr_vfn; |
912e3acd JS |
5536 | int rc; |
5537 | ||
0a96e975 JS |
5538 | max_nr_vfn = lpfc_sli_sriov_nr_virtfn_get(phba); |
5539 | if (nr_vfn > max_nr_vfn) { | |
5540 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5541 | "3057 Requested vfs (%d) greater than " | |
5542 | "supported vfs (%d)", nr_vfn, max_nr_vfn); | |
5543 | return -EINVAL; | |
5544 | } | |
5545 | ||
912e3acd JS |
5546 | rc = pci_enable_sriov(pdev, nr_vfn); |
5547 | if (rc) { | |
5548 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
5549 | "2806 Failed to enable sriov on this device " | |
5550 | "with vfn number nr_vf:%d, rc:%d\n", | |
5551 | nr_vfn, rc); | |
5552 | } else | |
5553 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
5554 | "2807 Successful enable sriov on this device " | |
5555 | "with vfn number nr_vf:%d\n", nr_vfn); | |
5556 | return rc; | |
5557 | } | |
5558 | ||
3772a991 | 5559 | /** |
895427bd | 5560 | * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources. |
3772a991 JS |
5561 | * @phba: pointer to lpfc hba data structure. |
5562 | * | |
895427bd JS |
5563 | * This routine is invoked to set up the driver internal resources before the |
5564 | * device specific resource setup to support the HBA device it attached to. | |
3772a991 JS |
5565 | * |
5566 | * Return codes | |
895427bd JS |
5567 | * 0 - successful |
5568 | * other values - error | |
3772a991 JS |
5569 | **/ |
5570 | static int | |
895427bd | 5571 | lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba) |
3772a991 | 5572 | { |
895427bd | 5573 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 5574 | |
2e0fef85 | 5575 | /* |
895427bd | 5576 | * Driver resources common to all SLI revisions |
2e0fef85 | 5577 | */ |
895427bd JS |
5578 | atomic_set(&phba->fast_event_count, 0); |
5579 | spin_lock_init(&phba->hbalock); | |
dea3101e | 5580 | |
895427bd JS |
5581 | /* Initialize ndlp management spinlock */ |
5582 | spin_lock_init(&phba->ndlp_lock); | |
5583 | ||
5584 | INIT_LIST_HEAD(&phba->port_list); | |
5585 | INIT_LIST_HEAD(&phba->work_list); | |
5586 | init_waitqueue_head(&phba->wait_4_mlo_m_q); | |
5587 | ||
5588 | /* Initialize the wait queue head for the kernel thread */ | |
5589 | init_waitqueue_head(&phba->work_waitq); | |
5590 | ||
5591 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
f358dd0c | 5592 | "1403 Protocols supported %s %s %s\n", |
895427bd JS |
5593 | ((phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) ? |
5594 | "SCSI" : " "), | |
5595 | ((phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) ? | |
f358dd0c JS |
5596 | "NVME" : " "), |
5597 | (phba->nvmet_support ? "NVMET" : " ")); | |
895427bd JS |
5598 | |
5599 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { | |
5600 | /* Initialize the scsi buffer list used by driver for scsi IO */ | |
5601 | spin_lock_init(&phba->scsi_buf_list_get_lock); | |
5602 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get); | |
5603 | spin_lock_init(&phba->scsi_buf_list_put_lock); | |
5604 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put); | |
5605 | } | |
5606 | ||
5607 | if ((phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) && | |
5608 | (phba->nvmet_support == 0)) { | |
5609 | /* Initialize the NVME buffer list used by driver for NVME IO */ | |
5610 | spin_lock_init(&phba->nvme_buf_list_get_lock); | |
5611 | INIT_LIST_HEAD(&phba->lpfc_nvme_buf_list_get); | |
5612 | spin_lock_init(&phba->nvme_buf_list_put_lock); | |
5613 | INIT_LIST_HEAD(&phba->lpfc_nvme_buf_list_put); | |
5614 | } | |
5615 | ||
5616 | /* Initialize the fabric iocb list */ | |
5617 | INIT_LIST_HEAD(&phba->fabric_iocb_list); | |
5618 | ||
5619 | /* Initialize list to save ELS buffers */ | |
5620 | INIT_LIST_HEAD(&phba->elsbuf); | |
5621 | ||
5622 | /* Initialize FCF connection rec list */ | |
5623 | INIT_LIST_HEAD(&phba->fcf_conn_rec_list); | |
5624 | ||
5625 | /* Initialize OAS configuration list */ | |
5626 | spin_lock_init(&phba->devicelock); | |
5627 | INIT_LIST_HEAD(&phba->luns); | |
858c9f6c | 5628 | |
3772a991 | 5629 | /* MBOX heartbeat timer */ |
f22eb4d3 | 5630 | timer_setup(&psli->mbox_tmo, lpfc_mbox_timeout, 0); |
3772a991 | 5631 | /* Fabric block timer */ |
f22eb4d3 | 5632 | timer_setup(&phba->fabric_block_timer, lpfc_fabric_block_timeout, 0); |
3772a991 | 5633 | /* EA polling mode timer */ |
f22eb4d3 | 5634 | timer_setup(&phba->eratt_poll, lpfc_poll_eratt, 0); |
895427bd | 5635 | /* Heartbeat timer */ |
f22eb4d3 | 5636 | timer_setup(&phba->hb_tmofunc, lpfc_hb_timeout, 0); |
895427bd JS |
5637 | |
5638 | return 0; | |
5639 | } | |
5640 | ||
5641 | /** | |
5642 | * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev | |
5643 | * @phba: pointer to lpfc hba data structure. | |
5644 | * | |
5645 | * This routine is invoked to set up the driver internal resources specific to | |
5646 | * support the SLI-3 HBA device it attached to. | |
5647 | * | |
5648 | * Return codes | |
5649 | * 0 - successful | |
5650 | * other values - error | |
5651 | **/ | |
5652 | static int | |
5653 | lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) | |
5654 | { | |
5655 | int rc; | |
5656 | ||
5657 | /* | |
5658 | * Initialize timers used by driver | |
5659 | */ | |
5660 | ||
5661 | /* FCP polling mode timer */ | |
f22eb4d3 | 5662 | timer_setup(&phba->fcp_poll_timer, lpfc_poll_timeout, 0); |
dea3101e | 5663 | |
3772a991 JS |
5664 | /* Host attention work mask setup */ |
5665 | phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT); | |
5666 | phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); | |
dea3101e | 5667 | |
3772a991 JS |
5668 | /* Get all the module params for configuring this host */ |
5669 | lpfc_get_cfgparam(phba); | |
895427bd JS |
5670 | /* Set up phase-1 common device driver resources */ |
5671 | ||
5672 | rc = lpfc_setup_driver_resource_phase1(phba); | |
5673 | if (rc) | |
5674 | return -ENODEV; | |
5675 | ||
49198b37 JS |
5676 | if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) { |
5677 | phba->menlo_flag |= HBA_MENLO_SUPPORT; | |
5678 | /* check for menlo minimum sg count */ | |
5679 | if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT) | |
5680 | phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT; | |
5681 | } | |
5682 | ||
895427bd JS |
5683 | if (!phba->sli.sli3_ring) |
5684 | phba->sli.sli3_ring = kzalloc(LPFC_SLI3_MAX_RING * | |
2a76a283 | 5685 | sizeof(struct lpfc_sli_ring), GFP_KERNEL); |
895427bd | 5686 | if (!phba->sli.sli3_ring) |
2a76a283 JS |
5687 | return -ENOMEM; |
5688 | ||
dea3101e | 5689 | /* |
96f7077f | 5690 | * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size |
3772a991 | 5691 | * used to create the sg_dma_buf_pool must be dynamically calculated. |
dea3101e | 5692 | */ |
3772a991 | 5693 | |
96f7077f JS |
5694 | /* Initialize the host templates the configured values. */ |
5695 | lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
96418b5e JS |
5696 | lpfc_template_no_hr.sg_tablesize = phba->cfg_sg_seg_cnt; |
5697 | lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
96f7077f JS |
5698 | |
5699 | /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */ | |
3772a991 | 5700 | if (phba->cfg_enable_bg) { |
96f7077f JS |
5701 | /* |
5702 | * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd, | |
5703 | * the FCP rsp, and a BDE for each. Sice we have no control | |
5704 | * over how many protection data segments the SCSI Layer | |
5705 | * will hand us (ie: there could be one for every block | |
5706 | * in the IO), we just allocate enough BDEs to accomidate | |
5707 | * our max amount and we need to limit lpfc_sg_seg_cnt to | |
5708 | * minimize the risk of running out. | |
5709 | */ | |
5710 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
5711 | sizeof(struct fcp_rsp) + | |
5712 | (LPFC_MAX_SG_SEG_CNT * sizeof(struct ulp_bde64)); | |
5713 | ||
5714 | if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SEG_CNT_DIF) | |
5715 | phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT_DIF; | |
5716 | ||
5717 | /* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */ | |
5718 | phba->cfg_total_seg_cnt = LPFC_MAX_SG_SEG_CNT; | |
5719 | } else { | |
5720 | /* | |
5721 | * The scsi_buf for a regular I/O will hold the FCP cmnd, | |
5722 | * the FCP rsp, a BDE for each, and a BDE for up to | |
5723 | * cfg_sg_seg_cnt data segments. | |
5724 | */ | |
5725 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
5726 | sizeof(struct fcp_rsp) + | |
5727 | ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64)); | |
5728 | ||
5729 | /* Total BDEs in BPL for scsi_sg_list */ | |
5730 | phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2; | |
901a920f | 5731 | } |
dea3101e | 5732 | |
96f7077f JS |
5733 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP, |
5734 | "9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n", | |
5735 | phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size, | |
5736 | phba->cfg_total_seg_cnt); | |
dea3101e | 5737 | |
3772a991 JS |
5738 | phba->max_vpi = LPFC_MAX_VPI; |
5739 | /* This will be set to correct value after config_port mbox */ | |
5740 | phba->max_vports = 0; | |
dea3101e | 5741 | |
3772a991 JS |
5742 | /* |
5743 | * Initialize the SLI Layer to run with lpfc HBAs. | |
5744 | */ | |
5745 | lpfc_sli_setup(phba); | |
895427bd | 5746 | lpfc_sli_queue_init(phba); |
ed957684 | 5747 | |
3772a991 JS |
5748 | /* Allocate device driver memory */ |
5749 | if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ)) | |
5750 | return -ENOMEM; | |
51ef4c26 | 5751 | |
912e3acd JS |
5752 | /* |
5753 | * Enable sr-iov virtual functions if supported and configured | |
5754 | * through the module parameter. | |
5755 | */ | |
5756 | if (phba->cfg_sriov_nr_virtfn > 0) { | |
5757 | rc = lpfc_sli_probe_sriov_nr_virtfn(phba, | |
5758 | phba->cfg_sriov_nr_virtfn); | |
5759 | if (rc) { | |
5760 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
5761 | "2808 Requested number of SR-IOV " | |
5762 | "virtual functions (%d) is not " | |
5763 | "supported\n", | |
5764 | phba->cfg_sriov_nr_virtfn); | |
5765 | phba->cfg_sriov_nr_virtfn = 0; | |
5766 | } | |
5767 | } | |
5768 | ||
3772a991 JS |
5769 | return 0; |
5770 | } | |
ed957684 | 5771 | |
3772a991 JS |
5772 | /** |
5773 | * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev | |
5774 | * @phba: pointer to lpfc hba data structure. | |
5775 | * | |
5776 | * This routine is invoked to unset the driver internal resources set up | |
5777 | * specific for supporting the SLI-3 HBA device it attached to. | |
5778 | **/ | |
5779 | static void | |
5780 | lpfc_sli_driver_resource_unset(struct lpfc_hba *phba) | |
5781 | { | |
5782 | /* Free device driver memory allocated */ | |
5783 | lpfc_mem_free_all(phba); | |
3163f725 | 5784 | |
3772a991 JS |
5785 | return; |
5786 | } | |
dea3101e | 5787 | |
3772a991 | 5788 | /** |
da0436e9 | 5789 | * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev |
3772a991 JS |
5790 | * @phba: pointer to lpfc hba data structure. |
5791 | * | |
da0436e9 JS |
5792 | * This routine is invoked to set up the driver internal resources specific to |
5793 | * support the SLI-4 HBA device it attached to. | |
3772a991 JS |
5794 | * |
5795 | * Return codes | |
af901ca1 | 5796 | * 0 - successful |
da0436e9 | 5797 | * other values - error |
3772a991 JS |
5798 | **/ |
5799 | static int | |
da0436e9 | 5800 | lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) |
3772a991 | 5801 | { |
28baac74 | 5802 | LPFC_MBOXQ_t *mboxq; |
f358dd0c | 5803 | MAILBOX_t *mb; |
895427bd | 5804 | int rc, i, max_buf_size; |
28baac74 JS |
5805 | uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0}; |
5806 | struct lpfc_mqe *mqe; | |
09294d46 | 5807 | int longs; |
1ba981fd | 5808 | int fof_vectors = 0; |
f358dd0c | 5809 | uint64_t wwn; |
da0436e9 | 5810 | |
895427bd JS |
5811 | phba->sli4_hba.num_online_cpu = num_online_cpus(); |
5812 | phba->sli4_hba.num_present_cpu = lpfc_present_cpu; | |
5813 | phba->sli4_hba.curr_disp_cpu = 0; | |
5814 | ||
716d3bc5 JS |
5815 | /* Get all the module params for configuring this host */ |
5816 | lpfc_get_cfgparam(phba); | |
5817 | ||
895427bd JS |
5818 | /* Set up phase-1 common device driver resources */ |
5819 | rc = lpfc_setup_driver_resource_phase1(phba); | |
5820 | if (rc) | |
5821 | return -ENODEV; | |
5822 | ||
da0436e9 JS |
5823 | /* Before proceed, wait for POST done and device ready */ |
5824 | rc = lpfc_sli4_post_status_check(phba); | |
5825 | if (rc) | |
5826 | return -ENODEV; | |
5827 | ||
3772a991 | 5828 | /* |
da0436e9 | 5829 | * Initialize timers used by driver |
3772a991 | 5830 | */ |
3772a991 | 5831 | |
f22eb4d3 | 5832 | timer_setup(&phba->rrq_tmr, lpfc_rrq_timeout, 0); |
3772a991 | 5833 | |
ecfd03c6 | 5834 | /* FCF rediscover timer */ |
f22eb4d3 | 5835 | timer_setup(&phba->fcf.redisc_wait, lpfc_sli4_fcf_redisc_wait_tmo, 0); |
ecfd03c6 | 5836 | |
7ad20aa9 JS |
5837 | /* |
5838 | * Control structure for handling external multi-buffer mailbox | |
5839 | * command pass-through. | |
5840 | */ | |
5841 | memset((uint8_t *)&phba->mbox_ext_buf_ctx, 0, | |
5842 | sizeof(struct lpfc_mbox_ext_buf_ctx)); | |
5843 | INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list); | |
5844 | ||
da0436e9 | 5845 | phba->max_vpi = LPFC_MAX_VPI; |
67d12733 | 5846 | |
da0436e9 JS |
5847 | /* This will be set to correct value after the read_config mbox */ |
5848 | phba->max_vports = 0; | |
3772a991 | 5849 | |
da0436e9 JS |
5850 | /* Program the default value of vlan_id and fc_map */ |
5851 | phba->valid_vlan = 0; | |
5852 | phba->fc_map[0] = LPFC_FCOE_FCF_MAP0; | |
5853 | phba->fc_map[1] = LPFC_FCOE_FCF_MAP1; | |
5854 | phba->fc_map[2] = LPFC_FCOE_FCF_MAP2; | |
3772a991 | 5855 | |
2a76a283 JS |
5856 | /* |
5857 | * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands | |
895427bd JS |
5858 | * we will associate a new ring, for each EQ/CQ/WQ tuple. |
5859 | * The WQ create will allocate the ring. | |
2a76a283 | 5860 | */ |
09294d46 | 5861 | |
da0436e9 | 5862 | /* |
09294d46 JS |
5863 | * It doesn't matter what family our adapter is in, we are |
5864 | * limited to 2 Pages, 512 SGEs, for our SGL. | |
5865 | * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp | |
5866 | */ | |
5867 | max_buf_size = (2 * SLI4_PAGE_SIZE); | |
5868 | if (phba->cfg_sg_seg_cnt > LPFC_MAX_SGL_SEG_CNT - 2) | |
5869 | phba->cfg_sg_seg_cnt = LPFC_MAX_SGL_SEG_CNT - 2; | |
09294d46 | 5870 | |
da0436e9 | 5871 | /* |
895427bd JS |
5872 | * Since lpfc_sg_seg_cnt is module param, the sg_dma_buf_size |
5873 | * used to create the sg_dma_buf_pool must be calculated. | |
da0436e9 | 5874 | */ |
96f7077f JS |
5875 | if (phba->cfg_enable_bg) { |
5876 | /* | |
895427bd JS |
5877 | * The scsi_buf for a T10-DIF I/O holds the FCP cmnd, |
5878 | * the FCP rsp, and a SGE. Sice we have no control | |
5879 | * over how many protection segments the SCSI Layer | |
96f7077f | 5880 | * will hand us (ie: there could be one for every block |
895427bd JS |
5881 | * in the IO), just allocate enough SGEs to accomidate |
5882 | * our max amount and we need to limit lpfc_sg_seg_cnt | |
5883 | * to minimize the risk of running out. | |
96f7077f JS |
5884 | */ |
5885 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
895427bd | 5886 | sizeof(struct fcp_rsp) + max_buf_size; |
96f7077f JS |
5887 | |
5888 | /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */ | |
5889 | phba->cfg_total_seg_cnt = LPFC_MAX_SGL_SEG_CNT; | |
5890 | ||
5891 | if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SLI4_SEG_CNT_DIF) | |
895427bd JS |
5892 | phba->cfg_sg_seg_cnt = |
5893 | LPFC_MAX_SG_SLI4_SEG_CNT_DIF; | |
96f7077f JS |
5894 | } else { |
5895 | /* | |
895427bd | 5896 | * The scsi_buf for a regular I/O holds the FCP cmnd, |
96f7077f JS |
5897 | * the FCP rsp, a SGE for each, and a SGE for up to |
5898 | * cfg_sg_seg_cnt data segments. | |
5899 | */ | |
5900 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
895427bd JS |
5901 | sizeof(struct fcp_rsp) + |
5902 | ((phba->cfg_sg_seg_cnt + 2) * | |
5903 | sizeof(struct sli4_sge)); | |
96f7077f JS |
5904 | |
5905 | /* Total SGEs for scsi_sg_list */ | |
5906 | phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2; | |
895427bd | 5907 | |
96f7077f | 5908 | /* |
895427bd JS |
5909 | * NOTE: if (phba->cfg_sg_seg_cnt + 2) <= 256 we only |
5910 | * need to post 1 page for the SGL. | |
96f7077f | 5911 | */ |
085c647c | 5912 | } |
acd6859b | 5913 | |
96f7077f JS |
5914 | /* Initialize the host templates with the updated values. */ |
5915 | lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
5916 | lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
96418b5e | 5917 | lpfc_template_no_hr.sg_tablesize = phba->cfg_sg_seg_cnt; |
96f7077f JS |
5918 | |
5919 | if (phba->cfg_sg_dma_buf_size <= LPFC_MIN_SG_SLI4_BUF_SZ) | |
5920 | phba->cfg_sg_dma_buf_size = LPFC_MIN_SG_SLI4_BUF_SZ; | |
5921 | else | |
5922 | phba->cfg_sg_dma_buf_size = | |
5923 | SLI4_PAGE_ALIGN(phba->cfg_sg_dma_buf_size); | |
5924 | ||
5925 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP, | |
5926 | "9087 sg_tablesize:%d dmabuf_size:%d total_sge:%d\n", | |
5927 | phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size, | |
5928 | phba->cfg_total_seg_cnt); | |
3772a991 | 5929 | |
da0436e9 | 5930 | /* Initialize buffer queue management fields */ |
895427bd | 5931 | INIT_LIST_HEAD(&phba->hbqs[LPFC_ELS_HBQ].hbq_buffer_list); |
da0436e9 JS |
5932 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc; |
5933 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free; | |
3772a991 | 5934 | |
da0436e9 JS |
5935 | /* |
5936 | * Initialize the SLI Layer to run with lpfc SLI4 HBAs. | |
5937 | */ | |
895427bd JS |
5938 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { |
5939 | /* Initialize the Abort scsi buffer list used by driver */ | |
5940 | spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
5941 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list); | |
5942 | } | |
5943 | ||
5944 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { | |
5945 | /* Initialize the Abort nvme buffer list used by driver */ | |
5946 | spin_lock_init(&phba->sli4_hba.abts_nvme_buf_list_lock); | |
5947 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvme_buf_list); | |
86c67379 | 5948 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list); |
a8cf5dfe | 5949 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_io_wait_list); |
6c621a22 | 5950 | |
318083ad JS |
5951 | /* Fast-path XRI aborted CQ Event work queue list */ |
5952 | INIT_LIST_HEAD(&phba->sli4_hba.sp_nvme_xri_aborted_work_queue); | |
895427bd JS |
5953 | } |
5954 | ||
da0436e9 | 5955 | /* This abort list used by worker thread */ |
895427bd | 5956 | spin_lock_init(&phba->sli4_hba.sgl_list_lock); |
a8cf5dfe | 5957 | spin_lock_init(&phba->sli4_hba.nvmet_io_wait_lock); |
3772a991 | 5958 | |
da0436e9 | 5959 | /* |
6d368e53 | 5960 | * Initialize driver internal slow-path work queues |
da0436e9 | 5961 | */ |
3772a991 | 5962 | |
da0436e9 JS |
5963 | /* Driver internel slow-path CQ Event pool */ |
5964 | INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool); | |
5965 | /* Response IOCB work queue list */ | |
45ed1190 | 5966 | INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event); |
da0436e9 JS |
5967 | /* Asynchronous event CQ Event work queue list */ |
5968 | INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue); | |
5969 | /* Fast-path XRI aborted CQ Event work queue list */ | |
5970 | INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue); | |
5971 | /* Slow-path XRI aborted CQ Event work queue list */ | |
5972 | INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue); | |
5973 | /* Receive queue CQ Event work queue list */ | |
5974 | INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue); | |
5975 | ||
6d368e53 JS |
5976 | /* Initialize extent block lists. */ |
5977 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_blk_list); | |
5978 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_xri_blk_list); | |
5979 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_vfi_blk_list); | |
5980 | INIT_LIST_HEAD(&phba->lpfc_vpi_blk_list); | |
5981 | ||
d1f525aa JS |
5982 | /* Initialize mboxq lists. If the early init routines fail |
5983 | * these lists need to be correctly initialized. | |
5984 | */ | |
5985 | INIT_LIST_HEAD(&phba->sli.mboxq); | |
5986 | INIT_LIST_HEAD(&phba->sli.mboxq_cmpl); | |
5987 | ||
448193b5 JS |
5988 | /* initialize optic_state to 0xFF */ |
5989 | phba->sli4_hba.lnk_info.optic_state = 0xff; | |
5990 | ||
da0436e9 JS |
5991 | /* Allocate device driver memory */ |
5992 | rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ); | |
5993 | if (rc) | |
5994 | return -ENOMEM; | |
5995 | ||
2fcee4bf JS |
5996 | /* IF Type 2 ports get initialized now. */ |
5997 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == | |
5998 | LPFC_SLI_INTF_IF_TYPE_2) { | |
5999 | rc = lpfc_pci_function_reset(phba); | |
895427bd JS |
6000 | if (unlikely(rc)) { |
6001 | rc = -ENODEV; | |
6002 | goto out_free_mem; | |
6003 | } | |
946727dc | 6004 | phba->temp_sensor_support = 1; |
2fcee4bf JS |
6005 | } |
6006 | ||
da0436e9 JS |
6007 | /* Create the bootstrap mailbox command */ |
6008 | rc = lpfc_create_bootstrap_mbox(phba); | |
6009 | if (unlikely(rc)) | |
6010 | goto out_free_mem; | |
6011 | ||
6012 | /* Set up the host's endian order with the device. */ | |
6013 | rc = lpfc_setup_endian_order(phba); | |
6014 | if (unlikely(rc)) | |
6015 | goto out_free_bsmbx; | |
6016 | ||
6017 | /* Set up the hba's configuration parameters. */ | |
6018 | rc = lpfc_sli4_read_config(phba); | |
cff261f6 JS |
6019 | if (unlikely(rc)) |
6020 | goto out_free_bsmbx; | |
6021 | rc = lpfc_mem_alloc_active_rrq_pool_s4(phba); | |
da0436e9 JS |
6022 | if (unlikely(rc)) |
6023 | goto out_free_bsmbx; | |
6024 | ||
2fcee4bf JS |
6025 | /* IF Type 0 ports get initialized now. */ |
6026 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == | |
6027 | LPFC_SLI_INTF_IF_TYPE_0) { | |
6028 | rc = lpfc_pci_function_reset(phba); | |
6029 | if (unlikely(rc)) | |
6030 | goto out_free_bsmbx; | |
6031 | } | |
da0436e9 | 6032 | |
cb5172ea JS |
6033 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, |
6034 | GFP_KERNEL); | |
6035 | if (!mboxq) { | |
6036 | rc = -ENOMEM; | |
6037 | goto out_free_bsmbx; | |
6038 | } | |
6039 | ||
f358dd0c | 6040 | /* Check for NVMET being configured */ |
895427bd | 6041 | phba->nvmet_support = 0; |
f358dd0c JS |
6042 | if (lpfc_enable_nvmet_cnt) { |
6043 | ||
6044 | /* First get WWN of HBA instance */ | |
6045 | lpfc_read_nv(phba, mboxq); | |
6046 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
6047 | if (rc != MBX_SUCCESS) { | |
6048 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6049 | "6016 Mailbox failed , mbxCmd x%x " | |
6050 | "READ_NV, mbxStatus x%x\n", | |
6051 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
6052 | bf_get(lpfc_mqe_status, &mboxq->u.mqe)); | |
d1f525aa | 6053 | mempool_free(mboxq, phba->mbox_mem_pool); |
f358dd0c JS |
6054 | rc = -EIO; |
6055 | goto out_free_bsmbx; | |
6056 | } | |
6057 | mb = &mboxq->u.mb; | |
6058 | memcpy(&wwn, (char *)mb->un.varRDnvp.nodename, | |
6059 | sizeof(uint64_t)); | |
6060 | wwn = cpu_to_be64(wwn); | |
6061 | phba->sli4_hba.wwnn.u.name = wwn; | |
6062 | memcpy(&wwn, (char *)mb->un.varRDnvp.portname, | |
6063 | sizeof(uint64_t)); | |
6064 | /* wwn is WWPN of HBA instance */ | |
6065 | wwn = cpu_to_be64(wwn); | |
6066 | phba->sli4_hba.wwpn.u.name = wwn; | |
6067 | ||
6068 | /* Check to see if it matches any module parameter */ | |
6069 | for (i = 0; i < lpfc_enable_nvmet_cnt; i++) { | |
6070 | if (wwn == lpfc_enable_nvmet[i]) { | |
7d708033 | 6071 | #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) |
3c603be9 JS |
6072 | if (lpfc_nvmet_mem_alloc(phba)) |
6073 | break; | |
6074 | ||
6075 | phba->nvmet_support = 1; /* a match */ | |
6076 | ||
f358dd0c JS |
6077 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
6078 | "6017 NVME Target %016llx\n", | |
6079 | wwn); | |
7d708033 JS |
6080 | #else |
6081 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6082 | "6021 Can't enable NVME Target." | |
6083 | " NVME_TARGET_FC infrastructure" | |
6084 | " is not in kernel\n"); | |
6085 | #endif | |
3c603be9 | 6086 | break; |
f358dd0c JS |
6087 | } |
6088 | } | |
6089 | } | |
895427bd JS |
6090 | |
6091 | lpfc_nvme_mod_param_dep(phba); | |
6092 | ||
fedd3b7b | 6093 | /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */ |
cb5172ea JS |
6094 | lpfc_supported_pages(mboxq); |
6095 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
fedd3b7b JS |
6096 | if (!rc) { |
6097 | mqe = &mboxq->u.mqe; | |
6098 | memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3), | |
6099 | LPFC_MAX_SUPPORTED_PAGES); | |
6100 | for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) { | |
6101 | switch (pn_page[i]) { | |
6102 | case LPFC_SLI4_PARAMETERS: | |
6103 | phba->sli4_hba.pc_sli4_params.supported = 1; | |
6104 | break; | |
6105 | default: | |
6106 | break; | |
6107 | } | |
6108 | } | |
6109 | /* Read the port's SLI4 Parameters capabilities if supported. */ | |
6110 | if (phba->sli4_hba.pc_sli4_params.supported) | |
6111 | rc = lpfc_pc_sli4_params_get(phba, mboxq); | |
6112 | if (rc) { | |
6113 | mempool_free(mboxq, phba->mbox_mem_pool); | |
6114 | rc = -EIO; | |
6115 | goto out_free_bsmbx; | |
cb5172ea JS |
6116 | } |
6117 | } | |
65791f1f | 6118 | |
fedd3b7b JS |
6119 | /* |
6120 | * Get sli4 parameters that override parameters from Port capabilities. | |
6d368e53 JS |
6121 | * If this call fails, it isn't critical unless the SLI4 parameters come |
6122 | * back in conflict. | |
fedd3b7b | 6123 | */ |
6d368e53 JS |
6124 | rc = lpfc_get_sli4_parameters(phba, mboxq); |
6125 | if (rc) { | |
6126 | if (phba->sli4_hba.extents_in_use && | |
6127 | phba->sli4_hba.rpi_hdrs_in_use) { | |
6128 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6129 | "2999 Unsupported SLI4 Parameters " | |
6130 | "Extents and RPI headers enabled.\n"); | |
6d368e53 | 6131 | } |
895427bd | 6132 | mempool_free(mboxq, phba->mbox_mem_pool); |
5c756065 | 6133 | rc = -EIO; |
895427bd | 6134 | goto out_free_bsmbx; |
6d368e53 | 6135 | } |
895427bd | 6136 | |
cb5172ea | 6137 | mempool_free(mboxq, phba->mbox_mem_pool); |
1ba981fd JS |
6138 | |
6139 | /* Verify OAS is supported */ | |
6140 | lpfc_sli4_oas_verify(phba); | |
6141 | if (phba->cfg_fof) | |
6142 | fof_vectors = 1; | |
6143 | ||
5350d872 JS |
6144 | /* Verify all the SLI4 queues */ |
6145 | rc = lpfc_sli4_queue_verify(phba); | |
da0436e9 JS |
6146 | if (rc) |
6147 | goto out_free_bsmbx; | |
6148 | ||
6149 | /* Create driver internal CQE event pool */ | |
6150 | rc = lpfc_sli4_cq_event_pool_create(phba); | |
6151 | if (rc) | |
5350d872 | 6152 | goto out_free_bsmbx; |
da0436e9 | 6153 | |
8a9d2e80 JS |
6154 | /* Initialize sgl lists per host */ |
6155 | lpfc_init_sgl_list(phba); | |
6156 | ||
6157 | /* Allocate and initialize active sgl array */ | |
da0436e9 JS |
6158 | rc = lpfc_init_active_sgl_array(phba); |
6159 | if (rc) { | |
6160 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6161 | "1430 Failed to initialize sgl list.\n"); | |
8a9d2e80 | 6162 | goto out_destroy_cq_event_pool; |
da0436e9 | 6163 | } |
da0436e9 JS |
6164 | rc = lpfc_sli4_init_rpi_hdrs(phba); |
6165 | if (rc) { | |
6166 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6167 | "1432 Failed to initialize rpi headers.\n"); | |
6168 | goto out_free_active_sgl; | |
6169 | } | |
6170 | ||
a93ff37a | 6171 | /* Allocate eligible FCF bmask memory for FCF roundrobin failover */ |
0c9ab6f5 JS |
6172 | longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG; |
6173 | phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long), | |
6174 | GFP_KERNEL); | |
6175 | if (!phba->fcf.fcf_rr_bmask) { | |
6176 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6177 | "2759 Failed allocate memory for FCF round " | |
6178 | "robin failover bmask\n"); | |
0558056c | 6179 | rc = -ENOMEM; |
0c9ab6f5 JS |
6180 | goto out_remove_rpi_hdrs; |
6181 | } | |
6182 | ||
895427bd JS |
6183 | phba->sli4_hba.hba_eq_hdl = kcalloc(fof_vectors + phba->io_channel_irqs, |
6184 | sizeof(struct lpfc_hba_eq_hdl), | |
6185 | GFP_KERNEL); | |
6186 | if (!phba->sli4_hba.hba_eq_hdl) { | |
67d12733 JS |
6187 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
6188 | "2572 Failed allocate memory for " | |
6189 | "fast-path per-EQ handle array\n"); | |
6190 | rc = -ENOMEM; | |
6191 | goto out_free_fcf_rr_bmask; | |
da0436e9 JS |
6192 | } |
6193 | ||
895427bd JS |
6194 | phba->sli4_hba.cpu_map = kcalloc(phba->sli4_hba.num_present_cpu, |
6195 | sizeof(struct lpfc_vector_map_info), | |
6196 | GFP_KERNEL); | |
7bb03bbf JS |
6197 | if (!phba->sli4_hba.cpu_map) { |
6198 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6199 | "3327 Failed allocate memory for msi-x " | |
6200 | "interrupt vector mapping\n"); | |
6201 | rc = -ENOMEM; | |
895427bd | 6202 | goto out_free_hba_eq_hdl; |
7bb03bbf | 6203 | } |
b246de17 | 6204 | if (lpfc_used_cpu == NULL) { |
895427bd JS |
6205 | lpfc_used_cpu = kcalloc(lpfc_present_cpu, sizeof(uint16_t), |
6206 | GFP_KERNEL); | |
b246de17 JS |
6207 | if (!lpfc_used_cpu) { |
6208 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6209 | "3335 Failed allocate memory for msi-x " | |
6210 | "interrupt vector mapping\n"); | |
6211 | kfree(phba->sli4_hba.cpu_map); | |
6212 | rc = -ENOMEM; | |
895427bd | 6213 | goto out_free_hba_eq_hdl; |
b246de17 JS |
6214 | } |
6215 | for (i = 0; i < lpfc_present_cpu; i++) | |
6216 | lpfc_used_cpu[i] = LPFC_VECTOR_MAP_EMPTY; | |
6217 | } | |
6218 | ||
912e3acd JS |
6219 | /* |
6220 | * Enable sr-iov virtual functions if supported and configured | |
6221 | * through the module parameter. | |
6222 | */ | |
6223 | if (phba->cfg_sriov_nr_virtfn > 0) { | |
6224 | rc = lpfc_sli_probe_sriov_nr_virtfn(phba, | |
6225 | phba->cfg_sriov_nr_virtfn); | |
6226 | if (rc) { | |
6227 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6228 | "3020 Requested number of SR-IOV " | |
6229 | "virtual functions (%d) is not " | |
6230 | "supported\n", | |
6231 | phba->cfg_sriov_nr_virtfn); | |
6232 | phba->cfg_sriov_nr_virtfn = 0; | |
6233 | } | |
6234 | } | |
6235 | ||
5248a749 | 6236 | return 0; |
da0436e9 | 6237 | |
895427bd JS |
6238 | out_free_hba_eq_hdl: |
6239 | kfree(phba->sli4_hba.hba_eq_hdl); | |
0c9ab6f5 JS |
6240 | out_free_fcf_rr_bmask: |
6241 | kfree(phba->fcf.fcf_rr_bmask); | |
da0436e9 JS |
6242 | out_remove_rpi_hdrs: |
6243 | lpfc_sli4_remove_rpi_hdrs(phba); | |
6244 | out_free_active_sgl: | |
6245 | lpfc_free_active_sgl(phba); | |
da0436e9 JS |
6246 | out_destroy_cq_event_pool: |
6247 | lpfc_sli4_cq_event_pool_destroy(phba); | |
da0436e9 JS |
6248 | out_free_bsmbx: |
6249 | lpfc_destroy_bootstrap_mbox(phba); | |
6250 | out_free_mem: | |
6251 | lpfc_mem_free(phba); | |
6252 | return rc; | |
6253 | } | |
6254 | ||
6255 | /** | |
6256 | * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev | |
6257 | * @phba: pointer to lpfc hba data structure. | |
6258 | * | |
6259 | * This routine is invoked to unset the driver internal resources set up | |
6260 | * specific for supporting the SLI-4 HBA device it attached to. | |
6261 | **/ | |
6262 | static void | |
6263 | lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba) | |
6264 | { | |
6265 | struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry; | |
6266 | ||
7bb03bbf JS |
6267 | /* Free memory allocated for msi-x interrupt vector to CPU mapping */ |
6268 | kfree(phba->sli4_hba.cpu_map); | |
6269 | phba->sli4_hba.num_present_cpu = 0; | |
6270 | phba->sli4_hba.num_online_cpu = 0; | |
76fd07a6 | 6271 | phba->sli4_hba.curr_disp_cpu = 0; |
7bb03bbf | 6272 | |
da0436e9 | 6273 | /* Free memory allocated for fast-path work queue handles */ |
895427bd | 6274 | kfree(phba->sli4_hba.hba_eq_hdl); |
da0436e9 JS |
6275 | |
6276 | /* Free the allocated rpi headers. */ | |
6277 | lpfc_sli4_remove_rpi_hdrs(phba); | |
d11e31dd | 6278 | lpfc_sli4_remove_rpis(phba); |
da0436e9 | 6279 | |
0c9ab6f5 JS |
6280 | /* Free eligible FCF index bmask */ |
6281 | kfree(phba->fcf.fcf_rr_bmask); | |
6282 | ||
da0436e9 JS |
6283 | /* Free the ELS sgl list */ |
6284 | lpfc_free_active_sgl(phba); | |
8a9d2e80 | 6285 | lpfc_free_els_sgl_list(phba); |
f358dd0c | 6286 | lpfc_free_nvmet_sgl_list(phba); |
da0436e9 | 6287 | |
da0436e9 JS |
6288 | /* Free the completion queue EQ event pool */ |
6289 | lpfc_sli4_cq_event_release_all(phba); | |
6290 | lpfc_sli4_cq_event_pool_destroy(phba); | |
6291 | ||
6d368e53 JS |
6292 | /* Release resource identifiers. */ |
6293 | lpfc_sli4_dealloc_resource_identifiers(phba); | |
6294 | ||
da0436e9 JS |
6295 | /* Free the bsmbx region. */ |
6296 | lpfc_destroy_bootstrap_mbox(phba); | |
6297 | ||
6298 | /* Free the SLI Layer memory with SLI4 HBAs */ | |
6299 | lpfc_mem_free_all(phba); | |
6300 | ||
6301 | /* Free the current connect table */ | |
6302 | list_for_each_entry_safe(conn_entry, next_conn_entry, | |
4d9ab994 JS |
6303 | &phba->fcf_conn_rec_list, list) { |
6304 | list_del_init(&conn_entry->list); | |
da0436e9 | 6305 | kfree(conn_entry); |
4d9ab994 | 6306 | } |
da0436e9 JS |
6307 | |
6308 | return; | |
6309 | } | |
6310 | ||
6311 | /** | |
25985edc | 6312 | * lpfc_init_api_table_setup - Set up init api function jump table |
da0436e9 JS |
6313 | * @phba: The hba struct for which this call is being executed. |
6314 | * @dev_grp: The HBA PCI-Device group number. | |
6315 | * | |
6316 | * This routine sets up the device INIT interface API function jump table | |
6317 | * in @phba struct. | |
6318 | * | |
6319 | * Returns: 0 - success, -ENODEV - failure. | |
6320 | **/ | |
6321 | int | |
6322 | lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
6323 | { | |
84d1b006 JS |
6324 | phba->lpfc_hba_init_link = lpfc_hba_init_link; |
6325 | phba->lpfc_hba_down_link = lpfc_hba_down_link; | |
7f86059a | 6326 | phba->lpfc_selective_reset = lpfc_selective_reset; |
da0436e9 JS |
6327 | switch (dev_grp) { |
6328 | case LPFC_PCI_DEV_LP: | |
6329 | phba->lpfc_hba_down_post = lpfc_hba_down_post_s3; | |
6330 | phba->lpfc_handle_eratt = lpfc_handle_eratt_s3; | |
6331 | phba->lpfc_stop_port = lpfc_stop_port_s3; | |
6332 | break; | |
6333 | case LPFC_PCI_DEV_OC: | |
6334 | phba->lpfc_hba_down_post = lpfc_hba_down_post_s4; | |
6335 | phba->lpfc_handle_eratt = lpfc_handle_eratt_s4; | |
6336 | phba->lpfc_stop_port = lpfc_stop_port_s4; | |
6337 | break; | |
6338 | default: | |
6339 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6340 | "1431 Invalid HBA PCI-device group: 0x%x\n", | |
6341 | dev_grp); | |
6342 | return -ENODEV; | |
6343 | break; | |
6344 | } | |
6345 | return 0; | |
6346 | } | |
6347 | ||
da0436e9 JS |
6348 | /** |
6349 | * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources. | |
6350 | * @phba: pointer to lpfc hba data structure. | |
6351 | * | |
6352 | * This routine is invoked to set up the driver internal resources after the | |
6353 | * device specific resource setup to support the HBA device it attached to. | |
6354 | * | |
6355 | * Return codes | |
af901ca1 | 6356 | * 0 - successful |
da0436e9 JS |
6357 | * other values - error |
6358 | **/ | |
6359 | static int | |
6360 | lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba) | |
6361 | { | |
6362 | int error; | |
6363 | ||
6364 | /* Startup the kernel thread for this host adapter. */ | |
6365 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
6366 | "lpfc_worker_%d", phba->brd_no); | |
6367 | if (IS_ERR(phba->worker_thread)) { | |
6368 | error = PTR_ERR(phba->worker_thread); | |
6369 | return error; | |
3772a991 JS |
6370 | } |
6371 | ||
f485c18d DK |
6372 | /* workqueue for deferred irq use */ |
6373 | phba->wq = alloc_workqueue("lpfc_wq", WQ_MEM_RECLAIM, 0); | |
6374 | ||
3772a991 JS |
6375 | return 0; |
6376 | } | |
6377 | ||
6378 | /** | |
6379 | * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources. | |
6380 | * @phba: pointer to lpfc hba data structure. | |
6381 | * | |
6382 | * This routine is invoked to unset the driver internal resources set up after | |
6383 | * the device specific resource setup for supporting the HBA device it | |
6384 | * attached to. | |
6385 | **/ | |
6386 | static void | |
6387 | lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba) | |
6388 | { | |
f485c18d DK |
6389 | if (phba->wq) { |
6390 | flush_workqueue(phba->wq); | |
6391 | destroy_workqueue(phba->wq); | |
6392 | phba->wq = NULL; | |
6393 | } | |
6394 | ||
3772a991 JS |
6395 | /* Stop kernel worker thread */ |
6396 | kthread_stop(phba->worker_thread); | |
6397 | } | |
6398 | ||
6399 | /** | |
6400 | * lpfc_free_iocb_list - Free iocb list. | |
6401 | * @phba: pointer to lpfc hba data structure. | |
6402 | * | |
6403 | * This routine is invoked to free the driver's IOCB list and memory. | |
6404 | **/ | |
6c621a22 | 6405 | void |
3772a991 JS |
6406 | lpfc_free_iocb_list(struct lpfc_hba *phba) |
6407 | { | |
6408 | struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; | |
6409 | ||
6410 | spin_lock_irq(&phba->hbalock); | |
6411 | list_for_each_entry_safe(iocbq_entry, iocbq_next, | |
6412 | &phba->lpfc_iocb_list, list) { | |
6413 | list_del(&iocbq_entry->list); | |
6414 | kfree(iocbq_entry); | |
6415 | phba->total_iocbq_bufs--; | |
98c9ea5c | 6416 | } |
3772a991 JS |
6417 | spin_unlock_irq(&phba->hbalock); |
6418 | ||
6419 | return; | |
6420 | } | |
6421 | ||
6422 | /** | |
6423 | * lpfc_init_iocb_list - Allocate and initialize iocb list. | |
6424 | * @phba: pointer to lpfc hba data structure. | |
6425 | * | |
6426 | * This routine is invoked to allocate and initizlize the driver's IOCB | |
6427 | * list and set up the IOCB tag array accordingly. | |
6428 | * | |
6429 | * Return codes | |
af901ca1 | 6430 | * 0 - successful |
3772a991 JS |
6431 | * other values - error |
6432 | **/ | |
6c621a22 | 6433 | int |
3772a991 JS |
6434 | lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count) |
6435 | { | |
6436 | struct lpfc_iocbq *iocbq_entry = NULL; | |
6437 | uint16_t iotag; | |
6438 | int i; | |
dea3101e JB |
6439 | |
6440 | /* Initialize and populate the iocb list per host. */ | |
6441 | INIT_LIST_HEAD(&phba->lpfc_iocb_list); | |
3772a991 | 6442 | for (i = 0; i < iocb_count; i++) { |
dd00cc48 | 6443 | iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); |
dea3101e JB |
6444 | if (iocbq_entry == NULL) { |
6445 | printk(KERN_ERR "%s: only allocated %d iocbs of " | |
6446 | "expected %d count. Unloading driver.\n", | |
cadbd4a5 | 6447 | __func__, i, LPFC_IOCB_LIST_CNT); |
dea3101e JB |
6448 | goto out_free_iocbq; |
6449 | } | |
6450 | ||
604a3e30 JB |
6451 | iotag = lpfc_sli_next_iotag(phba, iocbq_entry); |
6452 | if (iotag == 0) { | |
3772a991 | 6453 | kfree(iocbq_entry); |
604a3e30 | 6454 | printk(KERN_ERR "%s: failed to allocate IOTAG. " |
3772a991 | 6455 | "Unloading driver.\n", __func__); |
604a3e30 JB |
6456 | goto out_free_iocbq; |
6457 | } | |
6d368e53 | 6458 | iocbq_entry->sli4_lxritag = NO_XRI; |
3772a991 | 6459 | iocbq_entry->sli4_xritag = NO_XRI; |
2e0fef85 JS |
6460 | |
6461 | spin_lock_irq(&phba->hbalock); | |
dea3101e JB |
6462 | list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); |
6463 | phba->total_iocbq_bufs++; | |
2e0fef85 | 6464 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
6465 | } |
6466 | ||
3772a991 | 6467 | return 0; |
dea3101e | 6468 | |
3772a991 JS |
6469 | out_free_iocbq: |
6470 | lpfc_free_iocb_list(phba); | |
dea3101e | 6471 | |
3772a991 JS |
6472 | return -ENOMEM; |
6473 | } | |
5e9d9b82 | 6474 | |
3772a991 | 6475 | /** |
8a9d2e80 | 6476 | * lpfc_free_sgl_list - Free a given sgl list. |
da0436e9 | 6477 | * @phba: pointer to lpfc hba data structure. |
8a9d2e80 | 6478 | * @sglq_list: pointer to the head of sgl list. |
3772a991 | 6479 | * |
8a9d2e80 | 6480 | * This routine is invoked to free a give sgl list and memory. |
3772a991 | 6481 | **/ |
8a9d2e80 JS |
6482 | void |
6483 | lpfc_free_sgl_list(struct lpfc_hba *phba, struct list_head *sglq_list) | |
3772a991 | 6484 | { |
da0436e9 | 6485 | struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; |
8a9d2e80 JS |
6486 | |
6487 | list_for_each_entry_safe(sglq_entry, sglq_next, sglq_list, list) { | |
6488 | list_del(&sglq_entry->list); | |
6489 | lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys); | |
6490 | kfree(sglq_entry); | |
6491 | } | |
6492 | } | |
6493 | ||
6494 | /** | |
6495 | * lpfc_free_els_sgl_list - Free els sgl list. | |
6496 | * @phba: pointer to lpfc hba data structure. | |
6497 | * | |
6498 | * This routine is invoked to free the driver's els sgl list and memory. | |
6499 | **/ | |
6500 | static void | |
6501 | lpfc_free_els_sgl_list(struct lpfc_hba *phba) | |
6502 | { | |
da0436e9 | 6503 | LIST_HEAD(sglq_list); |
dea3101e | 6504 | |
8a9d2e80 | 6505 | /* Retrieve all els sgls from driver list */ |
da0436e9 | 6506 | spin_lock_irq(&phba->hbalock); |
895427bd JS |
6507 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
6508 | list_splice_init(&phba->sli4_hba.lpfc_els_sgl_list, &sglq_list); | |
6509 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
da0436e9 | 6510 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 6511 | |
8a9d2e80 JS |
6512 | /* Now free the sgl list */ |
6513 | lpfc_free_sgl_list(phba, &sglq_list); | |
da0436e9 | 6514 | } |
92d7f7b0 | 6515 | |
f358dd0c JS |
6516 | /** |
6517 | * lpfc_free_nvmet_sgl_list - Free nvmet sgl list. | |
6518 | * @phba: pointer to lpfc hba data structure. | |
6519 | * | |
6520 | * This routine is invoked to free the driver's nvmet sgl list and memory. | |
6521 | **/ | |
6522 | static void | |
6523 | lpfc_free_nvmet_sgl_list(struct lpfc_hba *phba) | |
6524 | { | |
6525 | struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; | |
6526 | LIST_HEAD(sglq_list); | |
6527 | ||
6528 | /* Retrieve all nvmet sgls from driver list */ | |
6529 | spin_lock_irq(&phba->hbalock); | |
6530 | spin_lock(&phba->sli4_hba.sgl_list_lock); | |
6531 | list_splice_init(&phba->sli4_hba.lpfc_nvmet_sgl_list, &sglq_list); | |
6532 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
6533 | spin_unlock_irq(&phba->hbalock); | |
6534 | ||
6535 | /* Now free the sgl list */ | |
6536 | list_for_each_entry_safe(sglq_entry, sglq_next, &sglq_list, list) { | |
6537 | list_del(&sglq_entry->list); | |
6538 | lpfc_nvmet_buf_free(phba, sglq_entry->virt, sglq_entry->phys); | |
6539 | kfree(sglq_entry); | |
6540 | } | |
4b40d02b DK |
6541 | |
6542 | /* Update the nvmet_xri_cnt to reflect no current sgls. | |
6543 | * The next initialization cycle sets the count and allocates | |
6544 | * the sgls over again. | |
6545 | */ | |
6546 | phba->sli4_hba.nvmet_xri_cnt = 0; | |
f358dd0c JS |
6547 | } |
6548 | ||
da0436e9 JS |
6549 | /** |
6550 | * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs. | |
6551 | * @phba: pointer to lpfc hba data structure. | |
6552 | * | |
6553 | * This routine is invoked to allocate the driver's active sgl memory. | |
6554 | * This array will hold the sglq_entry's for active IOs. | |
6555 | **/ | |
6556 | static int | |
6557 | lpfc_init_active_sgl_array(struct lpfc_hba *phba) | |
6558 | { | |
6559 | int size; | |
6560 | size = sizeof(struct lpfc_sglq *); | |
6561 | size *= phba->sli4_hba.max_cfg_param.max_xri; | |
6562 | ||
6563 | phba->sli4_hba.lpfc_sglq_active_list = | |
6564 | kzalloc(size, GFP_KERNEL); | |
6565 | if (!phba->sli4_hba.lpfc_sglq_active_list) | |
6566 | return -ENOMEM; | |
6567 | return 0; | |
3772a991 JS |
6568 | } |
6569 | ||
6570 | /** | |
da0436e9 | 6571 | * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs. |
3772a991 JS |
6572 | * @phba: pointer to lpfc hba data structure. |
6573 | * | |
da0436e9 JS |
6574 | * This routine is invoked to walk through the array of active sglq entries |
6575 | * and free all of the resources. | |
6576 | * This is just a place holder for now. | |
3772a991 JS |
6577 | **/ |
6578 | static void | |
da0436e9 | 6579 | lpfc_free_active_sgl(struct lpfc_hba *phba) |
3772a991 | 6580 | { |
da0436e9 | 6581 | kfree(phba->sli4_hba.lpfc_sglq_active_list); |
3772a991 JS |
6582 | } |
6583 | ||
6584 | /** | |
da0436e9 | 6585 | * lpfc_init_sgl_list - Allocate and initialize sgl list. |
3772a991 JS |
6586 | * @phba: pointer to lpfc hba data structure. |
6587 | * | |
da0436e9 JS |
6588 | * This routine is invoked to allocate and initizlize the driver's sgl |
6589 | * list and set up the sgl xritag tag array accordingly. | |
3772a991 | 6590 | * |
3772a991 | 6591 | **/ |
8a9d2e80 | 6592 | static void |
da0436e9 | 6593 | lpfc_init_sgl_list(struct lpfc_hba *phba) |
3772a991 | 6594 | { |
da0436e9 | 6595 | /* Initialize and populate the sglq list per host/VF. */ |
895427bd | 6596 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_els_sgl_list); |
da0436e9 | 6597 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list); |
f358dd0c | 6598 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_sgl_list); |
86c67379 | 6599 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list); |
da0436e9 | 6600 | |
8a9d2e80 JS |
6601 | /* els xri-sgl book keeping */ |
6602 | phba->sli4_hba.els_xri_cnt = 0; | |
0ff10d46 | 6603 | |
8a9d2e80 | 6604 | /* scsi xri-buffer book keeping */ |
da0436e9 | 6605 | phba->sli4_hba.scsi_xri_cnt = 0; |
895427bd JS |
6606 | |
6607 | /* nvme xri-buffer book keeping */ | |
6608 | phba->sli4_hba.nvme_xri_cnt = 0; | |
da0436e9 JS |
6609 | } |
6610 | ||
6611 | /** | |
6612 | * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port | |
6613 | * @phba: pointer to lpfc hba data structure. | |
6614 | * | |
6615 | * This routine is invoked to post rpi header templates to the | |
88a2cfbb | 6616 | * port for those SLI4 ports that do not support extents. This routine |
da0436e9 | 6617 | * posts a PAGE_SIZE memory region to the port to hold up to |
88a2cfbb JS |
6618 | * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine |
6619 | * and should be called only when interrupts are disabled. | |
da0436e9 JS |
6620 | * |
6621 | * Return codes | |
af901ca1 | 6622 | * 0 - successful |
88a2cfbb | 6623 | * -ERROR - otherwise. |
da0436e9 JS |
6624 | **/ |
6625 | int | |
6626 | lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba) | |
6627 | { | |
6628 | int rc = 0; | |
da0436e9 JS |
6629 | struct lpfc_rpi_hdr *rpi_hdr; |
6630 | ||
6631 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list); | |
ff78d8f9 | 6632 | if (!phba->sli4_hba.rpi_hdrs_in_use) |
6d368e53 | 6633 | return rc; |
6d368e53 JS |
6634 | if (phba->sli4_hba.extents_in_use) |
6635 | return -EIO; | |
da0436e9 JS |
6636 | |
6637 | rpi_hdr = lpfc_sli4_create_rpi_hdr(phba); | |
6638 | if (!rpi_hdr) { | |
6639 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6640 | "0391 Error during rpi post operation\n"); | |
6641 | lpfc_sli4_remove_rpis(phba); | |
6642 | rc = -ENODEV; | |
6643 | } | |
6644 | ||
6645 | return rc; | |
6646 | } | |
6647 | ||
6648 | /** | |
6649 | * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region | |
6650 | * @phba: pointer to lpfc hba data structure. | |
6651 | * | |
6652 | * This routine is invoked to allocate a single 4KB memory region to | |
6653 | * support rpis and stores them in the phba. This single region | |
6654 | * provides support for up to 64 rpis. The region is used globally | |
6655 | * by the device. | |
6656 | * | |
6657 | * Returns: | |
6658 | * A valid rpi hdr on success. | |
6659 | * A NULL pointer on any failure. | |
6660 | **/ | |
6661 | struct lpfc_rpi_hdr * | |
6662 | lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba) | |
6663 | { | |
6664 | uint16_t rpi_limit, curr_rpi_range; | |
6665 | struct lpfc_dmabuf *dmabuf; | |
6666 | struct lpfc_rpi_hdr *rpi_hdr; | |
6667 | ||
6d368e53 JS |
6668 | /* |
6669 | * If the SLI4 port supports extents, posting the rpi header isn't | |
6670 | * required. Set the expected maximum count and let the actual value | |
6671 | * get set when extents are fully allocated. | |
6672 | */ | |
6673 | if (!phba->sli4_hba.rpi_hdrs_in_use) | |
6674 | return NULL; | |
6675 | if (phba->sli4_hba.extents_in_use) | |
6676 | return NULL; | |
6677 | ||
6678 | /* The limit on the logical index is just the max_rpi count. */ | |
845d9e8d | 6679 | rpi_limit = phba->sli4_hba.max_cfg_param.max_rpi; |
da0436e9 JS |
6680 | |
6681 | spin_lock_irq(&phba->hbalock); | |
6d368e53 JS |
6682 | /* |
6683 | * Establish the starting RPI in this header block. The starting | |
6684 | * rpi is normalized to a zero base because the physical rpi is | |
6685 | * port based. | |
6686 | */ | |
97f2ecf1 | 6687 | curr_rpi_range = phba->sli4_hba.next_rpi; |
da0436e9 JS |
6688 | spin_unlock_irq(&phba->hbalock); |
6689 | ||
845d9e8d JS |
6690 | /* Reached full RPI range */ |
6691 | if (curr_rpi_range == rpi_limit) | |
6d368e53 | 6692 | return NULL; |
845d9e8d | 6693 | |
da0436e9 JS |
6694 | /* |
6695 | * First allocate the protocol header region for the port. The | |
6696 | * port expects a 4KB DMA-mapped memory region that is 4K aligned. | |
6697 | */ | |
6698 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
6699 | if (!dmabuf) | |
6700 | return NULL; | |
6701 | ||
1aee383d JP |
6702 | dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev, |
6703 | LPFC_HDR_TEMPLATE_SIZE, | |
6704 | &dmabuf->phys, GFP_KERNEL); | |
da0436e9 JS |
6705 | if (!dmabuf->virt) { |
6706 | rpi_hdr = NULL; | |
6707 | goto err_free_dmabuf; | |
6708 | } | |
6709 | ||
da0436e9 JS |
6710 | if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) { |
6711 | rpi_hdr = NULL; | |
6712 | goto err_free_coherent; | |
6713 | } | |
6714 | ||
6715 | /* Save the rpi header data for cleanup later. */ | |
6716 | rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL); | |
6717 | if (!rpi_hdr) | |
6718 | goto err_free_coherent; | |
6719 | ||
6720 | rpi_hdr->dmabuf = dmabuf; | |
6721 | rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE; | |
6722 | rpi_hdr->page_count = 1; | |
6723 | spin_lock_irq(&phba->hbalock); | |
6d368e53 JS |
6724 | |
6725 | /* The rpi_hdr stores the logical index only. */ | |
6726 | rpi_hdr->start_rpi = curr_rpi_range; | |
845d9e8d | 6727 | rpi_hdr->next_rpi = phba->sli4_hba.next_rpi + LPFC_RPI_HDR_COUNT; |
da0436e9 JS |
6728 | list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list); |
6729 | ||
da0436e9 JS |
6730 | spin_unlock_irq(&phba->hbalock); |
6731 | return rpi_hdr; | |
6732 | ||
6733 | err_free_coherent: | |
6734 | dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE, | |
6735 | dmabuf->virt, dmabuf->phys); | |
6736 | err_free_dmabuf: | |
6737 | kfree(dmabuf); | |
6738 | return NULL; | |
6739 | } | |
6740 | ||
6741 | /** | |
6742 | * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions | |
6743 | * @phba: pointer to lpfc hba data structure. | |
6744 | * | |
6745 | * This routine is invoked to remove all memory resources allocated | |
6d368e53 JS |
6746 | * to support rpis for SLI4 ports not supporting extents. This routine |
6747 | * presumes the caller has released all rpis consumed by fabric or port | |
6748 | * logins and is prepared to have the header pages removed. | |
da0436e9 JS |
6749 | **/ |
6750 | void | |
6751 | lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba) | |
6752 | { | |
6753 | struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr; | |
6754 | ||
6d368e53 JS |
6755 | if (!phba->sli4_hba.rpi_hdrs_in_use) |
6756 | goto exit; | |
6757 | ||
da0436e9 JS |
6758 | list_for_each_entry_safe(rpi_hdr, next_rpi_hdr, |
6759 | &phba->sli4_hba.lpfc_rpi_hdr_list, list) { | |
6760 | list_del(&rpi_hdr->list); | |
6761 | dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len, | |
6762 | rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys); | |
6763 | kfree(rpi_hdr->dmabuf); | |
6764 | kfree(rpi_hdr); | |
6765 | } | |
6d368e53 JS |
6766 | exit: |
6767 | /* There are no rpis available to the port now. */ | |
6768 | phba->sli4_hba.next_rpi = 0; | |
da0436e9 JS |
6769 | } |
6770 | ||
6771 | /** | |
6772 | * lpfc_hba_alloc - Allocate driver hba data structure for a device. | |
6773 | * @pdev: pointer to pci device data structure. | |
6774 | * | |
6775 | * This routine is invoked to allocate the driver hba data structure for an | |
6776 | * HBA device. If the allocation is successful, the phba reference to the | |
6777 | * PCI device data structure is set. | |
6778 | * | |
6779 | * Return codes | |
af901ca1 | 6780 | * pointer to @phba - successful |
da0436e9 JS |
6781 | * NULL - error |
6782 | **/ | |
6783 | static struct lpfc_hba * | |
6784 | lpfc_hba_alloc(struct pci_dev *pdev) | |
6785 | { | |
6786 | struct lpfc_hba *phba; | |
6787 | ||
6788 | /* Allocate memory for HBA structure */ | |
6789 | phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL); | |
6790 | if (!phba) { | |
e34ccdfe | 6791 | dev_err(&pdev->dev, "failed to allocate hba struct\n"); |
da0436e9 JS |
6792 | return NULL; |
6793 | } | |
6794 | ||
6795 | /* Set reference to PCI device in HBA structure */ | |
6796 | phba->pcidev = pdev; | |
6797 | ||
6798 | /* Assign an unused board number */ | |
6799 | phba->brd_no = lpfc_get_instance(); | |
6800 | if (phba->brd_no < 0) { | |
6801 | kfree(phba); | |
6802 | return NULL; | |
6803 | } | |
65791f1f | 6804 | phba->eratt_poll_interval = LPFC_ERATT_POLL_INTERVAL; |
da0436e9 | 6805 | |
4fede78f | 6806 | spin_lock_init(&phba->ct_ev_lock); |
f1c3b0fc JS |
6807 | INIT_LIST_HEAD(&phba->ct_ev_waiters); |
6808 | ||
da0436e9 JS |
6809 | return phba; |
6810 | } | |
6811 | ||
6812 | /** | |
6813 | * lpfc_hba_free - Free driver hba data structure with a device. | |
6814 | * @phba: pointer to lpfc hba data structure. | |
6815 | * | |
6816 | * This routine is invoked to free the driver hba data structure with an | |
6817 | * HBA device. | |
6818 | **/ | |
6819 | static void | |
6820 | lpfc_hba_free(struct lpfc_hba *phba) | |
6821 | { | |
6822 | /* Release the driver assigned board number */ | |
6823 | idr_remove(&lpfc_hba_index, phba->brd_no); | |
6824 | ||
895427bd JS |
6825 | /* Free memory allocated with sli3 rings */ |
6826 | kfree(phba->sli.sli3_ring); | |
6827 | phba->sli.sli3_ring = NULL; | |
2a76a283 | 6828 | |
da0436e9 JS |
6829 | kfree(phba); |
6830 | return; | |
6831 | } | |
6832 | ||
6833 | /** | |
6834 | * lpfc_create_shost - Create hba physical port with associated scsi host. | |
6835 | * @phba: pointer to lpfc hba data structure. | |
6836 | * | |
6837 | * This routine is invoked to create HBA physical port and associate a SCSI | |
6838 | * host with it. | |
6839 | * | |
6840 | * Return codes | |
af901ca1 | 6841 | * 0 - successful |
da0436e9 JS |
6842 | * other values - error |
6843 | **/ | |
6844 | static int | |
6845 | lpfc_create_shost(struct lpfc_hba *phba) | |
6846 | { | |
6847 | struct lpfc_vport *vport; | |
6848 | struct Scsi_Host *shost; | |
6849 | ||
6850 | /* Initialize HBA FC structure */ | |
6851 | phba->fc_edtov = FF_DEF_EDTOV; | |
6852 | phba->fc_ratov = FF_DEF_RATOV; | |
6853 | phba->fc_altov = FF_DEF_ALTOV; | |
6854 | phba->fc_arbtov = FF_DEF_ARBTOV; | |
6855 | ||
d7c47992 | 6856 | atomic_set(&phba->sdev_cnt, 0); |
2cee7808 JS |
6857 | atomic_set(&phba->fc4ScsiInputRequests, 0); |
6858 | atomic_set(&phba->fc4ScsiOutputRequests, 0); | |
6859 | atomic_set(&phba->fc4ScsiControlRequests, 0); | |
6860 | atomic_set(&phba->fc4ScsiIoCmpls, 0); | |
6861 | atomic_set(&phba->fc4NvmeInputRequests, 0); | |
6862 | atomic_set(&phba->fc4NvmeOutputRequests, 0); | |
6863 | atomic_set(&phba->fc4NvmeControlRequests, 0); | |
6864 | atomic_set(&phba->fc4NvmeIoCmpls, 0); | |
6865 | atomic_set(&phba->fc4NvmeLsRequests, 0); | |
6866 | atomic_set(&phba->fc4NvmeLsCmpls, 0); | |
da0436e9 JS |
6867 | vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); |
6868 | if (!vport) | |
6869 | return -ENODEV; | |
6870 | ||
6871 | shost = lpfc_shost_from_vport(vport); | |
6872 | phba->pport = vport; | |
2ea259ee | 6873 | |
f358dd0c JS |
6874 | if (phba->nvmet_support) { |
6875 | /* Only 1 vport (pport) will support NVME target */ | |
6876 | if (phba->txrdy_payload_pool == NULL) { | |
771db5c0 RP |
6877 | phba->txrdy_payload_pool = dma_pool_create( |
6878 | "txrdy_pool", &phba->pcidev->dev, | |
f358dd0c JS |
6879 | TXRDY_PAYLOAD_LEN, 16, 0); |
6880 | if (phba->txrdy_payload_pool) { | |
6881 | phba->targetport = NULL; | |
6882 | phba->cfg_enable_fc4_type = LPFC_ENABLE_NVME; | |
6883 | lpfc_printf_log(phba, KERN_INFO, | |
6884 | LOG_INIT | LOG_NVME_DISC, | |
6885 | "6076 NVME Target Found\n"); | |
6886 | } | |
6887 | } | |
6888 | } | |
6889 | ||
da0436e9 JS |
6890 | lpfc_debugfs_initialize(vport); |
6891 | /* Put reference to SCSI host to driver's device private data */ | |
6892 | pci_set_drvdata(phba->pcidev, shost); | |
2e0fef85 | 6893 | |
4258e98e JS |
6894 | /* |
6895 | * At this point we are fully registered with PSA. In addition, | |
6896 | * any initial discovery should be completed. | |
6897 | */ | |
6898 | vport->load_flag |= FC_ALLOW_FDMI; | |
8663cbbe JS |
6899 | if (phba->cfg_enable_SmartSAN || |
6900 | (phba->cfg_fdmi_on == LPFC_FDMI_SUPPORT)) { | |
4258e98e JS |
6901 | |
6902 | /* Setup appropriate attribute masks */ | |
6903 | vport->fdmi_hba_mask = LPFC_FDMI2_HBA_ATTR; | |
8663cbbe | 6904 | if (phba->cfg_enable_SmartSAN) |
4258e98e JS |
6905 | vport->fdmi_port_mask = LPFC_FDMI2_SMART_ATTR; |
6906 | else | |
6907 | vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR; | |
6908 | } | |
3772a991 JS |
6909 | return 0; |
6910 | } | |
db2378e0 | 6911 | |
3772a991 JS |
6912 | /** |
6913 | * lpfc_destroy_shost - Destroy hba physical port with associated scsi host. | |
6914 | * @phba: pointer to lpfc hba data structure. | |
6915 | * | |
6916 | * This routine is invoked to destroy HBA physical port and the associated | |
6917 | * SCSI host. | |
6918 | **/ | |
6919 | static void | |
6920 | lpfc_destroy_shost(struct lpfc_hba *phba) | |
6921 | { | |
6922 | struct lpfc_vport *vport = phba->pport; | |
6923 | ||
6924 | /* Destroy physical port that associated with the SCSI host */ | |
6925 | destroy_port(vport); | |
6926 | ||
6927 | return; | |
6928 | } | |
6929 | ||
6930 | /** | |
6931 | * lpfc_setup_bg - Setup Block guard structures and debug areas. | |
6932 | * @phba: pointer to lpfc hba data structure. | |
6933 | * @shost: the shost to be used to detect Block guard settings. | |
6934 | * | |
6935 | * This routine sets up the local Block guard protocol settings for @shost. | |
6936 | * This routine also allocates memory for debugging bg buffers. | |
6937 | **/ | |
6938 | static void | |
6939 | lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost) | |
6940 | { | |
bbeb79b9 JS |
6941 | uint32_t old_mask; |
6942 | uint32_t old_guard; | |
6943 | ||
3772a991 | 6944 | int pagecnt = 10; |
b3b98b74 | 6945 | if (phba->cfg_prot_mask && phba->cfg_prot_guard) { |
3772a991 JS |
6946 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
6947 | "1478 Registering BlockGuard with the " | |
6948 | "SCSI layer\n"); | |
bbeb79b9 | 6949 | |
b3b98b74 JS |
6950 | old_mask = phba->cfg_prot_mask; |
6951 | old_guard = phba->cfg_prot_guard; | |
bbeb79b9 JS |
6952 | |
6953 | /* Only allow supported values */ | |
b3b98b74 | 6954 | phba->cfg_prot_mask &= (SHOST_DIF_TYPE1_PROTECTION | |
bbeb79b9 JS |
6955 | SHOST_DIX_TYPE0_PROTECTION | |
6956 | SHOST_DIX_TYPE1_PROTECTION); | |
b3b98b74 JS |
6957 | phba->cfg_prot_guard &= (SHOST_DIX_GUARD_IP | |
6958 | SHOST_DIX_GUARD_CRC); | |
bbeb79b9 JS |
6959 | |
6960 | /* DIF Type 1 protection for profiles AST1/C1 is end to end */ | |
b3b98b74 JS |
6961 | if (phba->cfg_prot_mask == SHOST_DIX_TYPE1_PROTECTION) |
6962 | phba->cfg_prot_mask |= SHOST_DIF_TYPE1_PROTECTION; | |
bbeb79b9 | 6963 | |
b3b98b74 JS |
6964 | if (phba->cfg_prot_mask && phba->cfg_prot_guard) { |
6965 | if ((old_mask != phba->cfg_prot_mask) || | |
6966 | (old_guard != phba->cfg_prot_guard)) | |
bbeb79b9 JS |
6967 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
6968 | "1475 Registering BlockGuard with the " | |
6969 | "SCSI layer: mask %d guard %d\n", | |
b3b98b74 JS |
6970 | phba->cfg_prot_mask, |
6971 | phba->cfg_prot_guard); | |
bbeb79b9 | 6972 | |
b3b98b74 JS |
6973 | scsi_host_set_prot(shost, phba->cfg_prot_mask); |
6974 | scsi_host_set_guard(shost, phba->cfg_prot_guard); | |
bbeb79b9 JS |
6975 | } else |
6976 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6977 | "1479 Not Registering BlockGuard with the SCSI " | |
6978 | "layer, Bad protection parameters: %d %d\n", | |
6979 | old_mask, old_guard); | |
3772a991 | 6980 | } |
bbeb79b9 | 6981 | |
3772a991 JS |
6982 | if (!_dump_buf_data) { |
6983 | while (pagecnt) { | |
6984 | spin_lock_init(&_dump_buf_lock); | |
6985 | _dump_buf_data = | |
6986 | (char *) __get_free_pages(GFP_KERNEL, pagecnt); | |
6987 | if (_dump_buf_data) { | |
6a9c52cf JS |
6988 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
6989 | "9043 BLKGRD: allocated %d pages for " | |
3772a991 JS |
6990 | "_dump_buf_data at 0x%p\n", |
6991 | (1 << pagecnt), _dump_buf_data); | |
6992 | _dump_buf_data_order = pagecnt; | |
6993 | memset(_dump_buf_data, 0, | |
6994 | ((1 << PAGE_SHIFT) << pagecnt)); | |
6995 | break; | |
6996 | } else | |
6997 | --pagecnt; | |
6998 | } | |
6999 | if (!_dump_buf_data_order) | |
6a9c52cf JS |
7000 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
7001 | "9044 BLKGRD: ERROR unable to allocate " | |
3772a991 JS |
7002 | "memory for hexdump\n"); |
7003 | } else | |
6a9c52cf JS |
7004 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
7005 | "9045 BLKGRD: already allocated _dump_buf_data=0x%p" | |
3772a991 JS |
7006 | "\n", _dump_buf_data); |
7007 | if (!_dump_buf_dif) { | |
7008 | while (pagecnt) { | |
7009 | _dump_buf_dif = | |
7010 | (char *) __get_free_pages(GFP_KERNEL, pagecnt); | |
7011 | if (_dump_buf_dif) { | |
6a9c52cf JS |
7012 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
7013 | "9046 BLKGRD: allocated %d pages for " | |
3772a991 JS |
7014 | "_dump_buf_dif at 0x%p\n", |
7015 | (1 << pagecnt), _dump_buf_dif); | |
7016 | _dump_buf_dif_order = pagecnt; | |
7017 | memset(_dump_buf_dif, 0, | |
7018 | ((1 << PAGE_SHIFT) << pagecnt)); | |
7019 | break; | |
7020 | } else | |
7021 | --pagecnt; | |
7022 | } | |
7023 | if (!_dump_buf_dif_order) | |
6a9c52cf JS |
7024 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
7025 | "9047 BLKGRD: ERROR unable to allocate " | |
3772a991 JS |
7026 | "memory for hexdump\n"); |
7027 | } else | |
6a9c52cf JS |
7028 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
7029 | "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n", | |
3772a991 JS |
7030 | _dump_buf_dif); |
7031 | } | |
7032 | ||
7033 | /** | |
7034 | * lpfc_post_init_setup - Perform necessary device post initialization setup. | |
7035 | * @phba: pointer to lpfc hba data structure. | |
7036 | * | |
7037 | * This routine is invoked to perform all the necessary post initialization | |
7038 | * setup for the device. | |
7039 | **/ | |
7040 | static void | |
7041 | lpfc_post_init_setup(struct lpfc_hba *phba) | |
7042 | { | |
7043 | struct Scsi_Host *shost; | |
7044 | struct lpfc_adapter_event_header adapter_event; | |
7045 | ||
7046 | /* Get the default values for Model Name and Description */ | |
7047 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
7048 | ||
7049 | /* | |
7050 | * hba setup may have changed the hba_queue_depth so we need to | |
7051 | * adjust the value of can_queue. | |
7052 | */ | |
7053 | shost = pci_get_drvdata(phba->pcidev); | |
7054 | shost->can_queue = phba->cfg_hba_queue_depth - 10; | |
7055 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) | |
7056 | lpfc_setup_bg(phba, shost); | |
7057 | ||
7058 | lpfc_host_attrib_init(shost); | |
7059 | ||
7060 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { | |
7061 | spin_lock_irq(shost->host_lock); | |
7062 | lpfc_poll_start_timer(phba); | |
7063 | spin_unlock_irq(shost->host_lock); | |
7064 | } | |
7065 | ||
7066 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7067 | "0428 Perform SCSI scan\n"); | |
7068 | /* Send board arrival event to upper layer */ | |
7069 | adapter_event.event_type = FC_REG_ADAPTER_EVENT; | |
7070 | adapter_event.subcategory = LPFC_EVENT_ARRIVAL; | |
7071 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
7072 | sizeof(adapter_event), | |
7073 | (char *) &adapter_event, | |
7074 | LPFC_NL_VENDOR_ID); | |
7075 | return; | |
7076 | } | |
7077 | ||
7078 | /** | |
7079 | * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space. | |
7080 | * @phba: pointer to lpfc hba data structure. | |
7081 | * | |
7082 | * This routine is invoked to set up the PCI device memory space for device | |
7083 | * with SLI-3 interface spec. | |
7084 | * | |
7085 | * Return codes | |
af901ca1 | 7086 | * 0 - successful |
3772a991 JS |
7087 | * other values - error |
7088 | **/ | |
7089 | static int | |
7090 | lpfc_sli_pci_mem_setup(struct lpfc_hba *phba) | |
7091 | { | |
7092 | struct pci_dev *pdev; | |
7093 | unsigned long bar0map_len, bar2map_len; | |
7094 | int i, hbq_count; | |
7095 | void *ptr; | |
7096 | int error = -ENODEV; | |
7097 | ||
7098 | /* Obtain PCI device reference */ | |
7099 | if (!phba->pcidev) | |
7100 | return error; | |
7101 | else | |
7102 | pdev = phba->pcidev; | |
7103 | ||
7104 | /* Set the device DMA mask size */ | |
8e68597d MR |
7105 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0 |
7106 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) { | |
7107 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0 | |
7108 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) { | |
3772a991 | 7109 | return error; |
8e68597d MR |
7110 | } |
7111 | } | |
3772a991 JS |
7112 | |
7113 | /* Get the bus address of Bar0 and Bar2 and the number of bytes | |
7114 | * required by each mapping. | |
7115 | */ | |
7116 | phba->pci_bar0_map = pci_resource_start(pdev, 0); | |
7117 | bar0map_len = pci_resource_len(pdev, 0); | |
7118 | ||
7119 | phba->pci_bar2_map = pci_resource_start(pdev, 2); | |
7120 | bar2map_len = pci_resource_len(pdev, 2); | |
7121 | ||
7122 | /* Map HBA SLIM to a kernel virtual address. */ | |
7123 | phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); | |
7124 | if (!phba->slim_memmap_p) { | |
7125 | dev_printk(KERN_ERR, &pdev->dev, | |
7126 | "ioremap failed for SLIM memory.\n"); | |
7127 | goto out; | |
7128 | } | |
7129 | ||
7130 | /* Map HBA Control Registers to a kernel virtual address. */ | |
7131 | phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); | |
7132 | if (!phba->ctrl_regs_memmap_p) { | |
7133 | dev_printk(KERN_ERR, &pdev->dev, | |
7134 | "ioremap failed for HBA control registers.\n"); | |
7135 | goto out_iounmap_slim; | |
7136 | } | |
7137 | ||
7138 | /* Allocate memory for SLI-2 structures */ | |
1aee383d JP |
7139 | phba->slim2p.virt = dma_zalloc_coherent(&pdev->dev, SLI2_SLIM_SIZE, |
7140 | &phba->slim2p.phys, GFP_KERNEL); | |
3772a991 JS |
7141 | if (!phba->slim2p.virt) |
7142 | goto out_iounmap; | |
7143 | ||
3772a991 | 7144 | phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx); |
7a470277 JS |
7145 | phba->mbox_ext = (phba->slim2p.virt + |
7146 | offsetof(struct lpfc_sli2_slim, mbx_ext_words)); | |
3772a991 JS |
7147 | phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb)); |
7148 | phba->IOCBs = (phba->slim2p.virt + | |
7149 | offsetof(struct lpfc_sli2_slim, IOCBs)); | |
7150 | ||
7151 | phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev, | |
7152 | lpfc_sli_hbq_size(), | |
7153 | &phba->hbqslimp.phys, | |
7154 | GFP_KERNEL); | |
7155 | if (!phba->hbqslimp.virt) | |
7156 | goto out_free_slim; | |
7157 | ||
7158 | hbq_count = lpfc_sli_hbq_count(); | |
7159 | ptr = phba->hbqslimp.virt; | |
7160 | for (i = 0; i < hbq_count; ++i) { | |
7161 | phba->hbqs[i].hbq_virt = ptr; | |
7162 | INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); | |
7163 | ptr += (lpfc_hbq_defs[i]->entry_count * | |
7164 | sizeof(struct lpfc_hbq_entry)); | |
7165 | } | |
7166 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc; | |
7167 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free; | |
7168 | ||
7169 | memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); | |
7170 | ||
3772a991 JS |
7171 | phba->MBslimaddr = phba->slim_memmap_p; |
7172 | phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; | |
7173 | phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; | |
7174 | phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; | |
7175 | phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; | |
7176 | ||
7177 | return 0; | |
7178 | ||
7179 | out_free_slim: | |
7180 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
7181 | phba->slim2p.virt, phba->slim2p.phys); | |
7182 | out_iounmap: | |
7183 | iounmap(phba->ctrl_regs_memmap_p); | |
7184 | out_iounmap_slim: | |
7185 | iounmap(phba->slim_memmap_p); | |
7186 | out: | |
7187 | return error; | |
7188 | } | |
7189 | ||
7190 | /** | |
7191 | * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space. | |
7192 | * @phba: pointer to lpfc hba data structure. | |
7193 | * | |
7194 | * This routine is invoked to unset the PCI device memory space for device | |
7195 | * with SLI-3 interface spec. | |
7196 | **/ | |
7197 | static void | |
7198 | lpfc_sli_pci_mem_unset(struct lpfc_hba *phba) | |
7199 | { | |
7200 | struct pci_dev *pdev; | |
7201 | ||
7202 | /* Obtain PCI device reference */ | |
7203 | if (!phba->pcidev) | |
7204 | return; | |
7205 | else | |
7206 | pdev = phba->pcidev; | |
7207 | ||
7208 | /* Free coherent DMA memory allocated */ | |
7209 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), | |
7210 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
7211 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
7212 | phba->slim2p.virt, phba->slim2p.phys); | |
7213 | ||
7214 | /* I/O memory unmap */ | |
7215 | iounmap(phba->ctrl_regs_memmap_p); | |
7216 | iounmap(phba->slim_memmap_p); | |
7217 | ||
7218 | return; | |
7219 | } | |
7220 | ||
7221 | /** | |
da0436e9 | 7222 | * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status |
3772a991 JS |
7223 | * @phba: pointer to lpfc hba data structure. |
7224 | * | |
da0436e9 JS |
7225 | * This routine is invoked to wait for SLI4 device Power On Self Test (POST) |
7226 | * done and check status. | |
3772a991 | 7227 | * |
da0436e9 | 7228 | * Return 0 if successful, otherwise -ENODEV. |
3772a991 | 7229 | **/ |
da0436e9 JS |
7230 | int |
7231 | lpfc_sli4_post_status_check(struct lpfc_hba *phba) | |
3772a991 | 7232 | { |
2fcee4bf JS |
7233 | struct lpfc_register portsmphr_reg, uerrlo_reg, uerrhi_reg; |
7234 | struct lpfc_register reg_data; | |
7235 | int i, port_error = 0; | |
7236 | uint32_t if_type; | |
3772a991 | 7237 | |
9940b97b JS |
7238 | memset(&portsmphr_reg, 0, sizeof(portsmphr_reg)); |
7239 | memset(®_data, 0, sizeof(reg_data)); | |
2fcee4bf | 7240 | if (!phba->sli4_hba.PSMPHRregaddr) |
da0436e9 | 7241 | return -ENODEV; |
3772a991 | 7242 | |
da0436e9 JS |
7243 | /* Wait up to 30 seconds for the SLI Port POST done and ready */ |
7244 | for (i = 0; i < 3000; i++) { | |
9940b97b JS |
7245 | if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr, |
7246 | &portsmphr_reg.word0) || | |
7247 | (bf_get(lpfc_port_smphr_perr, &portsmphr_reg))) { | |
2fcee4bf | 7248 | /* Port has a fatal POST error, break out */ |
da0436e9 JS |
7249 | port_error = -ENODEV; |
7250 | break; | |
7251 | } | |
2fcee4bf JS |
7252 | if (LPFC_POST_STAGE_PORT_READY == |
7253 | bf_get(lpfc_port_smphr_port_status, &portsmphr_reg)) | |
da0436e9 | 7254 | break; |
da0436e9 | 7255 | msleep(10); |
3772a991 JS |
7256 | } |
7257 | ||
2fcee4bf JS |
7258 | /* |
7259 | * If there was a port error during POST, then don't proceed with | |
7260 | * other register reads as the data may not be valid. Just exit. | |
7261 | */ | |
7262 | if (port_error) { | |
da0436e9 | 7263 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
2fcee4bf JS |
7264 | "1408 Port Failed POST - portsmphr=0x%x, " |
7265 | "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, " | |
7266 | "scr2=x%x, hscratch=x%x, pstatus=x%x\n", | |
7267 | portsmphr_reg.word0, | |
7268 | bf_get(lpfc_port_smphr_perr, &portsmphr_reg), | |
7269 | bf_get(lpfc_port_smphr_sfi, &portsmphr_reg), | |
7270 | bf_get(lpfc_port_smphr_nip, &portsmphr_reg), | |
7271 | bf_get(lpfc_port_smphr_ipc, &portsmphr_reg), | |
7272 | bf_get(lpfc_port_smphr_scr1, &portsmphr_reg), | |
7273 | bf_get(lpfc_port_smphr_scr2, &portsmphr_reg), | |
7274 | bf_get(lpfc_port_smphr_host_scratch, &portsmphr_reg), | |
7275 | bf_get(lpfc_port_smphr_port_status, &portsmphr_reg)); | |
7276 | } else { | |
28baac74 | 7277 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
2fcee4bf JS |
7278 | "2534 Device Info: SLIFamily=0x%x, " |
7279 | "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, " | |
7280 | "SLIHint_2=0x%x, FT=0x%x\n", | |
28baac74 JS |
7281 | bf_get(lpfc_sli_intf_sli_family, |
7282 | &phba->sli4_hba.sli_intf), | |
7283 | bf_get(lpfc_sli_intf_slirev, | |
7284 | &phba->sli4_hba.sli_intf), | |
085c647c JS |
7285 | bf_get(lpfc_sli_intf_if_type, |
7286 | &phba->sli4_hba.sli_intf), | |
7287 | bf_get(lpfc_sli_intf_sli_hint1, | |
28baac74 | 7288 | &phba->sli4_hba.sli_intf), |
085c647c JS |
7289 | bf_get(lpfc_sli_intf_sli_hint2, |
7290 | &phba->sli4_hba.sli_intf), | |
7291 | bf_get(lpfc_sli_intf_func_type, | |
28baac74 | 7292 | &phba->sli4_hba.sli_intf)); |
2fcee4bf JS |
7293 | /* |
7294 | * Check for other Port errors during the initialization | |
7295 | * process. Fail the load if the port did not come up | |
7296 | * correctly. | |
7297 | */ | |
7298 | if_type = bf_get(lpfc_sli_intf_if_type, | |
7299 | &phba->sli4_hba.sli_intf); | |
7300 | switch (if_type) { | |
7301 | case LPFC_SLI_INTF_IF_TYPE_0: | |
7302 | phba->sli4_hba.ue_mask_lo = | |
7303 | readl(phba->sli4_hba.u.if_type0.UEMASKLOregaddr); | |
7304 | phba->sli4_hba.ue_mask_hi = | |
7305 | readl(phba->sli4_hba.u.if_type0.UEMASKHIregaddr); | |
7306 | uerrlo_reg.word0 = | |
7307 | readl(phba->sli4_hba.u.if_type0.UERRLOregaddr); | |
7308 | uerrhi_reg.word0 = | |
7309 | readl(phba->sli4_hba.u.if_type0.UERRHIregaddr); | |
7310 | if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) || | |
7311 | (~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) { | |
7312 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7313 | "1422 Unrecoverable Error " | |
7314 | "Detected during POST " | |
7315 | "uerr_lo_reg=0x%x, " | |
7316 | "uerr_hi_reg=0x%x, " | |
7317 | "ue_mask_lo_reg=0x%x, " | |
7318 | "ue_mask_hi_reg=0x%x\n", | |
7319 | uerrlo_reg.word0, | |
7320 | uerrhi_reg.word0, | |
7321 | phba->sli4_hba.ue_mask_lo, | |
7322 | phba->sli4_hba.ue_mask_hi); | |
7323 | port_error = -ENODEV; | |
7324 | } | |
7325 | break; | |
7326 | case LPFC_SLI_INTF_IF_TYPE_2: | |
7327 | /* Final checks. The port status should be clean. */ | |
9940b97b JS |
7328 | if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, |
7329 | ®_data.word0) || | |
0558056c JS |
7330 | (bf_get(lpfc_sliport_status_err, ®_data) && |
7331 | !bf_get(lpfc_sliport_status_rn, ®_data))) { | |
2fcee4bf JS |
7332 | phba->work_status[0] = |
7333 | readl(phba->sli4_hba.u.if_type2. | |
7334 | ERR1regaddr); | |
7335 | phba->work_status[1] = | |
7336 | readl(phba->sli4_hba.u.if_type2. | |
7337 | ERR2regaddr); | |
7338 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8fcb8acd JS |
7339 | "2888 Unrecoverable port error " |
7340 | "following POST: port status reg " | |
7341 | "0x%x, port_smphr reg 0x%x, " | |
2fcee4bf JS |
7342 | "error 1=0x%x, error 2=0x%x\n", |
7343 | reg_data.word0, | |
7344 | portsmphr_reg.word0, | |
7345 | phba->work_status[0], | |
7346 | phba->work_status[1]); | |
7347 | port_error = -ENODEV; | |
7348 | } | |
7349 | break; | |
7350 | case LPFC_SLI_INTF_IF_TYPE_1: | |
7351 | default: | |
7352 | break; | |
7353 | } | |
28baac74 | 7354 | } |
da0436e9 JS |
7355 | return port_error; |
7356 | } | |
3772a991 | 7357 | |
da0436e9 JS |
7358 | /** |
7359 | * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map. | |
7360 | * @phba: pointer to lpfc hba data structure. | |
2fcee4bf | 7361 | * @if_type: The SLI4 interface type getting configured. |
da0436e9 JS |
7362 | * |
7363 | * This routine is invoked to set up SLI4 BAR0 PCI config space register | |
7364 | * memory map. | |
7365 | **/ | |
7366 | static void | |
2fcee4bf JS |
7367 | lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type) |
7368 | { | |
7369 | switch (if_type) { | |
7370 | case LPFC_SLI_INTF_IF_TYPE_0: | |
7371 | phba->sli4_hba.u.if_type0.UERRLOregaddr = | |
7372 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_LO; | |
7373 | phba->sli4_hba.u.if_type0.UERRHIregaddr = | |
7374 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_HI; | |
7375 | phba->sli4_hba.u.if_type0.UEMASKLOregaddr = | |
7376 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_LO; | |
7377 | phba->sli4_hba.u.if_type0.UEMASKHIregaddr = | |
7378 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_HI; | |
7379 | phba->sli4_hba.SLIINTFregaddr = | |
7380 | phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF; | |
7381 | break; | |
7382 | case LPFC_SLI_INTF_IF_TYPE_2: | |
0cf07f84 JS |
7383 | phba->sli4_hba.u.if_type2.EQDregaddr = |
7384 | phba->sli4_hba.conf_regs_memmap_p + | |
7385 | LPFC_CTL_PORT_EQ_DELAY_OFFSET; | |
2fcee4bf | 7386 | phba->sli4_hba.u.if_type2.ERR1regaddr = |
88a2cfbb JS |
7387 | phba->sli4_hba.conf_regs_memmap_p + |
7388 | LPFC_CTL_PORT_ER1_OFFSET; | |
2fcee4bf | 7389 | phba->sli4_hba.u.if_type2.ERR2regaddr = |
88a2cfbb JS |
7390 | phba->sli4_hba.conf_regs_memmap_p + |
7391 | LPFC_CTL_PORT_ER2_OFFSET; | |
2fcee4bf | 7392 | phba->sli4_hba.u.if_type2.CTRLregaddr = |
88a2cfbb JS |
7393 | phba->sli4_hba.conf_regs_memmap_p + |
7394 | LPFC_CTL_PORT_CTL_OFFSET; | |
2fcee4bf | 7395 | phba->sli4_hba.u.if_type2.STATUSregaddr = |
88a2cfbb JS |
7396 | phba->sli4_hba.conf_regs_memmap_p + |
7397 | LPFC_CTL_PORT_STA_OFFSET; | |
2fcee4bf JS |
7398 | phba->sli4_hba.SLIINTFregaddr = |
7399 | phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF; | |
7400 | phba->sli4_hba.PSMPHRregaddr = | |
88a2cfbb JS |
7401 | phba->sli4_hba.conf_regs_memmap_p + |
7402 | LPFC_CTL_PORT_SEM_OFFSET; | |
2fcee4bf | 7403 | phba->sli4_hba.RQDBregaddr = |
962bc51b JS |
7404 | phba->sli4_hba.conf_regs_memmap_p + |
7405 | LPFC_ULP0_RQ_DOORBELL; | |
2fcee4bf | 7406 | phba->sli4_hba.WQDBregaddr = |
962bc51b JS |
7407 | phba->sli4_hba.conf_regs_memmap_p + |
7408 | LPFC_ULP0_WQ_DOORBELL; | |
2fcee4bf JS |
7409 | phba->sli4_hba.EQCQDBregaddr = |
7410 | phba->sli4_hba.conf_regs_memmap_p + LPFC_EQCQ_DOORBELL; | |
7411 | phba->sli4_hba.MQDBregaddr = | |
7412 | phba->sli4_hba.conf_regs_memmap_p + LPFC_MQ_DOORBELL; | |
7413 | phba->sli4_hba.BMBXregaddr = | |
7414 | phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX; | |
7415 | break; | |
7416 | case LPFC_SLI_INTF_IF_TYPE_1: | |
7417 | default: | |
7418 | dev_printk(KERN_ERR, &phba->pcidev->dev, | |
7419 | "FATAL - unsupported SLI4 interface type - %d\n", | |
7420 | if_type); | |
7421 | break; | |
7422 | } | |
da0436e9 | 7423 | } |
3772a991 | 7424 | |
da0436e9 JS |
7425 | /** |
7426 | * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map. | |
7427 | * @phba: pointer to lpfc hba data structure. | |
7428 | * | |
7429 | * This routine is invoked to set up SLI4 BAR1 control status register (CSR) | |
7430 | * memory map. | |
7431 | **/ | |
7432 | static void | |
7433 | lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba) | |
7434 | { | |
2fcee4bf JS |
7435 | phba->sli4_hba.PSMPHRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
7436 | LPFC_SLIPORT_IF0_SMPHR; | |
da0436e9 | 7437 | phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
2fcee4bf | 7438 | LPFC_HST_ISR0; |
da0436e9 | 7439 | phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
2fcee4bf | 7440 | LPFC_HST_IMR0; |
da0436e9 | 7441 | phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
2fcee4bf | 7442 | LPFC_HST_ISCR0; |
3772a991 JS |
7443 | } |
7444 | ||
7445 | /** | |
da0436e9 | 7446 | * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map. |
3772a991 | 7447 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 7448 | * @vf: virtual function number |
3772a991 | 7449 | * |
da0436e9 JS |
7450 | * This routine is invoked to set up SLI4 BAR2 doorbell register memory map |
7451 | * based on the given viftual function number, @vf. | |
7452 | * | |
7453 | * Return 0 if successful, otherwise -ENODEV. | |
3772a991 | 7454 | **/ |
da0436e9 JS |
7455 | static int |
7456 | lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf) | |
3772a991 | 7457 | { |
da0436e9 JS |
7458 | if (vf > LPFC_VIR_FUNC_MAX) |
7459 | return -ENODEV; | |
3772a991 | 7460 | |
da0436e9 | 7461 | phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + |
962bc51b JS |
7462 | vf * LPFC_VFR_PAGE_SIZE + |
7463 | LPFC_ULP0_RQ_DOORBELL); | |
da0436e9 | 7464 | phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + |
962bc51b JS |
7465 | vf * LPFC_VFR_PAGE_SIZE + |
7466 | LPFC_ULP0_WQ_DOORBELL); | |
da0436e9 JS |
7467 | phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + |
7468 | vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL); | |
7469 | phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
7470 | vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL); | |
7471 | phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
7472 | vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX); | |
7473 | return 0; | |
3772a991 JS |
7474 | } |
7475 | ||
7476 | /** | |
da0436e9 | 7477 | * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox |
3772a991 JS |
7478 | * @phba: pointer to lpfc hba data structure. |
7479 | * | |
da0436e9 JS |
7480 | * This routine is invoked to create the bootstrap mailbox |
7481 | * region consistent with the SLI-4 interface spec. This | |
7482 | * routine allocates all memory necessary to communicate | |
7483 | * mailbox commands to the port and sets up all alignment | |
7484 | * needs. No locks are expected to be held when calling | |
7485 | * this routine. | |
3772a991 JS |
7486 | * |
7487 | * Return codes | |
af901ca1 | 7488 | * 0 - successful |
d439d286 | 7489 | * -ENOMEM - could not allocated memory. |
da0436e9 | 7490 | **/ |
3772a991 | 7491 | static int |
da0436e9 | 7492 | lpfc_create_bootstrap_mbox(struct lpfc_hba *phba) |
3772a991 | 7493 | { |
da0436e9 JS |
7494 | uint32_t bmbx_size; |
7495 | struct lpfc_dmabuf *dmabuf; | |
7496 | struct dma_address *dma_address; | |
7497 | uint32_t pa_addr; | |
7498 | uint64_t phys_addr; | |
7499 | ||
7500 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
7501 | if (!dmabuf) | |
7502 | return -ENOMEM; | |
3772a991 | 7503 | |
da0436e9 JS |
7504 | /* |
7505 | * The bootstrap mailbox region is comprised of 2 parts | |
7506 | * plus an alignment restriction of 16 bytes. | |
7507 | */ | |
7508 | bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1); | |
1aee383d JP |
7509 | dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev, bmbx_size, |
7510 | &dmabuf->phys, GFP_KERNEL); | |
da0436e9 JS |
7511 | if (!dmabuf->virt) { |
7512 | kfree(dmabuf); | |
7513 | return -ENOMEM; | |
3772a991 JS |
7514 | } |
7515 | ||
da0436e9 JS |
7516 | /* |
7517 | * Initialize the bootstrap mailbox pointers now so that the register | |
7518 | * operations are simple later. The mailbox dma address is required | |
7519 | * to be 16-byte aligned. Also align the virtual memory as each | |
7520 | * maibox is copied into the bmbx mailbox region before issuing the | |
7521 | * command to the port. | |
7522 | */ | |
7523 | phba->sli4_hba.bmbx.dmabuf = dmabuf; | |
7524 | phba->sli4_hba.bmbx.bmbx_size = bmbx_size; | |
7525 | ||
7526 | phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt, | |
7527 | LPFC_ALIGN_16_BYTE); | |
7528 | phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys, | |
7529 | LPFC_ALIGN_16_BYTE); | |
7530 | ||
7531 | /* | |
7532 | * Set the high and low physical addresses now. The SLI4 alignment | |
7533 | * requirement is 16 bytes and the mailbox is posted to the port | |
7534 | * as two 30-bit addresses. The other data is a bit marking whether | |
7535 | * the 30-bit address is the high or low address. | |
7536 | * Upcast bmbx aphys to 64bits so shift instruction compiles | |
7537 | * clean on 32 bit machines. | |
7538 | */ | |
7539 | dma_address = &phba->sli4_hba.bmbx.dma_address; | |
7540 | phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys; | |
7541 | pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff); | |
7542 | dma_address->addr_hi = (uint32_t) ((pa_addr << 2) | | |
7543 | LPFC_BMBX_BIT1_ADDR_HI); | |
7544 | ||
7545 | pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff); | |
7546 | dma_address->addr_lo = (uint32_t) ((pa_addr << 2) | | |
7547 | LPFC_BMBX_BIT1_ADDR_LO); | |
7548 | return 0; | |
3772a991 JS |
7549 | } |
7550 | ||
7551 | /** | |
da0436e9 | 7552 | * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources |
3772a991 JS |
7553 | * @phba: pointer to lpfc hba data structure. |
7554 | * | |
da0436e9 JS |
7555 | * This routine is invoked to teardown the bootstrap mailbox |
7556 | * region and release all host resources. This routine requires | |
7557 | * the caller to ensure all mailbox commands recovered, no | |
7558 | * additional mailbox comands are sent, and interrupts are disabled | |
7559 | * before calling this routine. | |
7560 | * | |
7561 | **/ | |
3772a991 | 7562 | static void |
da0436e9 | 7563 | lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba) |
3772a991 | 7564 | { |
da0436e9 JS |
7565 | dma_free_coherent(&phba->pcidev->dev, |
7566 | phba->sli4_hba.bmbx.bmbx_size, | |
7567 | phba->sli4_hba.bmbx.dmabuf->virt, | |
7568 | phba->sli4_hba.bmbx.dmabuf->phys); | |
7569 | ||
7570 | kfree(phba->sli4_hba.bmbx.dmabuf); | |
7571 | memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx)); | |
3772a991 JS |
7572 | } |
7573 | ||
7574 | /** | |
da0436e9 | 7575 | * lpfc_sli4_read_config - Get the config parameters. |
3772a991 JS |
7576 | * @phba: pointer to lpfc hba data structure. |
7577 | * | |
da0436e9 JS |
7578 | * This routine is invoked to read the configuration parameters from the HBA. |
7579 | * The configuration parameters are used to set the base and maximum values | |
7580 | * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource | |
7581 | * allocation for the port. | |
3772a991 JS |
7582 | * |
7583 | * Return codes | |
af901ca1 | 7584 | * 0 - successful |
25985edc | 7585 | * -ENOMEM - No available memory |
d439d286 | 7586 | * -EIO - The mailbox failed to complete successfully. |
3772a991 | 7587 | **/ |
ff78d8f9 | 7588 | int |
da0436e9 | 7589 | lpfc_sli4_read_config(struct lpfc_hba *phba) |
3772a991 | 7590 | { |
da0436e9 JS |
7591 | LPFC_MBOXQ_t *pmb; |
7592 | struct lpfc_mbx_read_config *rd_config; | |
912e3acd JS |
7593 | union lpfc_sli4_cfg_shdr *shdr; |
7594 | uint32_t shdr_status, shdr_add_status; | |
7595 | struct lpfc_mbx_get_func_cfg *get_func_cfg; | |
7596 | struct lpfc_rsrc_desc_fcfcoe *desc; | |
8aa134a8 | 7597 | char *pdesc_0; |
c691816e JS |
7598 | uint16_t forced_link_speed; |
7599 | uint32_t if_type; | |
8aa134a8 | 7600 | int length, i, rc = 0, rc2; |
3772a991 | 7601 | |
da0436e9 JS |
7602 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
7603 | if (!pmb) { | |
7604 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
7605 | "2011 Unable to allocate memory for issuing " | |
7606 | "SLI_CONFIG_SPECIAL mailbox command\n"); | |
7607 | return -ENOMEM; | |
3772a991 JS |
7608 | } |
7609 | ||
da0436e9 | 7610 | lpfc_read_config(phba, pmb); |
3772a991 | 7611 | |
da0436e9 JS |
7612 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
7613 | if (rc != MBX_SUCCESS) { | |
7614 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
7615 | "2012 Mailbox failed , mbxCmd x%x " | |
7616 | "READ_CONFIG, mbxStatus x%x\n", | |
7617 | bf_get(lpfc_mqe_command, &pmb->u.mqe), | |
7618 | bf_get(lpfc_mqe_status, &pmb->u.mqe)); | |
7619 | rc = -EIO; | |
7620 | } else { | |
7621 | rd_config = &pmb->u.mqe.un.rd_config; | |
ff78d8f9 JS |
7622 | if (bf_get(lpfc_mbx_rd_conf_lnk_ldv, rd_config)) { |
7623 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL; | |
7624 | phba->sli4_hba.lnk_info.lnk_tp = | |
7625 | bf_get(lpfc_mbx_rd_conf_lnk_type, rd_config); | |
7626 | phba->sli4_hba.lnk_info.lnk_no = | |
7627 | bf_get(lpfc_mbx_rd_conf_lnk_numb, rd_config); | |
7628 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
7629 | "3081 lnk_type:%d, lnk_numb:%d\n", | |
7630 | phba->sli4_hba.lnk_info.lnk_tp, | |
7631 | phba->sli4_hba.lnk_info.lnk_no); | |
7632 | } else | |
7633 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
7634 | "3082 Mailbox (x%x) returned ldv:x0\n", | |
7635 | bf_get(lpfc_mqe_command, &pmb->u.mqe)); | |
44fd7fe3 JS |
7636 | if (bf_get(lpfc_mbx_rd_conf_bbscn_def, rd_config)) { |
7637 | phba->bbcredit_support = 1; | |
7638 | phba->sli4_hba.bbscn_params.word0 = rd_config->word8; | |
7639 | } | |
7640 | ||
6d368e53 JS |
7641 | phba->sli4_hba.extents_in_use = |
7642 | bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config); | |
da0436e9 JS |
7643 | phba->sli4_hba.max_cfg_param.max_xri = |
7644 | bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); | |
7645 | phba->sli4_hba.max_cfg_param.xri_base = | |
7646 | bf_get(lpfc_mbx_rd_conf_xri_base, rd_config); | |
7647 | phba->sli4_hba.max_cfg_param.max_vpi = | |
7648 | bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config); | |
7649 | phba->sli4_hba.max_cfg_param.vpi_base = | |
7650 | bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config); | |
7651 | phba->sli4_hba.max_cfg_param.max_rpi = | |
7652 | bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config); | |
7653 | phba->sli4_hba.max_cfg_param.rpi_base = | |
7654 | bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config); | |
7655 | phba->sli4_hba.max_cfg_param.max_vfi = | |
7656 | bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config); | |
7657 | phba->sli4_hba.max_cfg_param.vfi_base = | |
7658 | bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config); | |
7659 | phba->sli4_hba.max_cfg_param.max_fcfi = | |
7660 | bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config); | |
da0436e9 JS |
7661 | phba->sli4_hba.max_cfg_param.max_eq = |
7662 | bf_get(lpfc_mbx_rd_conf_eq_count, rd_config); | |
7663 | phba->sli4_hba.max_cfg_param.max_rq = | |
7664 | bf_get(lpfc_mbx_rd_conf_rq_count, rd_config); | |
7665 | phba->sli4_hba.max_cfg_param.max_wq = | |
7666 | bf_get(lpfc_mbx_rd_conf_wq_count, rd_config); | |
7667 | phba->sli4_hba.max_cfg_param.max_cq = | |
7668 | bf_get(lpfc_mbx_rd_conf_cq_count, rd_config); | |
7669 | phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config); | |
7670 | phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base; | |
7671 | phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base; | |
7672 | phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base; | |
5ffc266e JS |
7673 | phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ? |
7674 | (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0; | |
da0436e9 JS |
7675 | phba->max_vports = phba->max_vpi; |
7676 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
6d368e53 JS |
7677 | "2003 cfg params Extents? %d " |
7678 | "XRI(B:%d M:%d), " | |
da0436e9 JS |
7679 | "VPI(B:%d M:%d) " |
7680 | "VFI(B:%d M:%d) " | |
7681 | "RPI(B:%d M:%d) " | |
2ea259ee | 7682 | "FCFI:%d EQ:%d CQ:%d WQ:%d RQ:%d\n", |
6d368e53 | 7683 | phba->sli4_hba.extents_in_use, |
da0436e9 JS |
7684 | phba->sli4_hba.max_cfg_param.xri_base, |
7685 | phba->sli4_hba.max_cfg_param.max_xri, | |
7686 | phba->sli4_hba.max_cfg_param.vpi_base, | |
7687 | phba->sli4_hba.max_cfg_param.max_vpi, | |
7688 | phba->sli4_hba.max_cfg_param.vfi_base, | |
7689 | phba->sli4_hba.max_cfg_param.max_vfi, | |
7690 | phba->sli4_hba.max_cfg_param.rpi_base, | |
7691 | phba->sli4_hba.max_cfg_param.max_rpi, | |
2ea259ee JS |
7692 | phba->sli4_hba.max_cfg_param.max_fcfi, |
7693 | phba->sli4_hba.max_cfg_param.max_eq, | |
7694 | phba->sli4_hba.max_cfg_param.max_cq, | |
7695 | phba->sli4_hba.max_cfg_param.max_wq, | |
7696 | phba->sli4_hba.max_cfg_param.max_rq); | |
7697 | ||
3772a991 | 7698 | } |
912e3acd JS |
7699 | |
7700 | if (rc) | |
7701 | goto read_cfg_out; | |
da0436e9 | 7702 | |
c691816e JS |
7703 | /* Update link speed if forced link speed is supported */ |
7704 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
7705 | if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { | |
7706 | forced_link_speed = | |
7707 | bf_get(lpfc_mbx_rd_conf_link_speed, rd_config); | |
7708 | if (forced_link_speed) { | |
7709 | phba->hba_flag |= HBA_FORCED_LINK_SPEED; | |
7710 | ||
7711 | switch (forced_link_speed) { | |
7712 | case LINK_SPEED_1G: | |
7713 | phba->cfg_link_speed = | |
7714 | LPFC_USER_LINK_SPEED_1G; | |
7715 | break; | |
7716 | case LINK_SPEED_2G: | |
7717 | phba->cfg_link_speed = | |
7718 | LPFC_USER_LINK_SPEED_2G; | |
7719 | break; | |
7720 | case LINK_SPEED_4G: | |
7721 | phba->cfg_link_speed = | |
7722 | LPFC_USER_LINK_SPEED_4G; | |
7723 | break; | |
7724 | case LINK_SPEED_8G: | |
7725 | phba->cfg_link_speed = | |
7726 | LPFC_USER_LINK_SPEED_8G; | |
7727 | break; | |
7728 | case LINK_SPEED_10G: | |
7729 | phba->cfg_link_speed = | |
7730 | LPFC_USER_LINK_SPEED_10G; | |
7731 | break; | |
7732 | case LINK_SPEED_16G: | |
7733 | phba->cfg_link_speed = | |
7734 | LPFC_USER_LINK_SPEED_16G; | |
7735 | break; | |
7736 | case LINK_SPEED_32G: | |
7737 | phba->cfg_link_speed = | |
7738 | LPFC_USER_LINK_SPEED_32G; | |
7739 | break; | |
7740 | case 0xffff: | |
7741 | phba->cfg_link_speed = | |
7742 | LPFC_USER_LINK_SPEED_AUTO; | |
7743 | break; | |
7744 | default: | |
7745 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
7746 | "0047 Unrecognized link " | |
7747 | "speed : %d\n", | |
7748 | forced_link_speed); | |
7749 | phba->cfg_link_speed = | |
7750 | LPFC_USER_LINK_SPEED_AUTO; | |
7751 | } | |
7752 | } | |
7753 | } | |
7754 | ||
da0436e9 | 7755 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ |
572709e2 JS |
7756 | length = phba->sli4_hba.max_cfg_param.max_xri - |
7757 | lpfc_sli4_get_els_iocb_cnt(phba); | |
7758 | if (phba->cfg_hba_queue_depth > length) { | |
7759 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
7760 | "3361 HBA queue depth changed from %d to %d\n", | |
7761 | phba->cfg_hba_queue_depth, length); | |
7762 | phba->cfg_hba_queue_depth = length; | |
7763 | } | |
912e3acd JS |
7764 | |
7765 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
7766 | LPFC_SLI_INTF_IF_TYPE_2) | |
7767 | goto read_cfg_out; | |
7768 | ||
7769 | /* get the pf# and vf# for SLI4 if_type 2 port */ | |
7770 | length = (sizeof(struct lpfc_mbx_get_func_cfg) - | |
7771 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
7772 | lpfc_sli4_config(phba, pmb, LPFC_MBOX_SUBSYSTEM_COMMON, | |
7773 | LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG, | |
7774 | length, LPFC_SLI4_MBX_EMBED); | |
7775 | ||
8aa134a8 | 7776 | rc2 = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
912e3acd JS |
7777 | shdr = (union lpfc_sli4_cfg_shdr *) |
7778 | &pmb->u.mqe.un.sli4_config.header.cfg_shdr; | |
7779 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
7780 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
8aa134a8 | 7781 | if (rc2 || shdr_status || shdr_add_status) { |
912e3acd JS |
7782 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
7783 | "3026 Mailbox failed , mbxCmd x%x " | |
7784 | "GET_FUNCTION_CONFIG, mbxStatus x%x\n", | |
7785 | bf_get(lpfc_mqe_command, &pmb->u.mqe), | |
7786 | bf_get(lpfc_mqe_status, &pmb->u.mqe)); | |
912e3acd JS |
7787 | goto read_cfg_out; |
7788 | } | |
7789 | ||
7790 | /* search for fc_fcoe resrouce descriptor */ | |
7791 | get_func_cfg = &pmb->u.mqe.un.get_func_cfg; | |
912e3acd | 7792 | |
8aa134a8 JS |
7793 | pdesc_0 = (char *)&get_func_cfg->func_cfg.desc[0]; |
7794 | desc = (struct lpfc_rsrc_desc_fcfcoe *)pdesc_0; | |
7795 | length = bf_get(lpfc_rsrc_desc_fcfcoe_length, desc); | |
7796 | if (length == LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD) | |
7797 | length = LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH; | |
7798 | else if (length != LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH) | |
7799 | goto read_cfg_out; | |
7800 | ||
912e3acd | 7801 | for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) { |
8aa134a8 | 7802 | desc = (struct lpfc_rsrc_desc_fcfcoe *)(pdesc_0 + length * i); |
912e3acd | 7803 | if (LPFC_RSRC_DESC_TYPE_FCFCOE == |
8aa134a8 | 7804 | bf_get(lpfc_rsrc_desc_fcfcoe_type, desc)) { |
912e3acd JS |
7805 | phba->sli4_hba.iov.pf_number = |
7806 | bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc); | |
7807 | phba->sli4_hba.iov.vf_number = | |
7808 | bf_get(lpfc_rsrc_desc_fcfcoe_vfnum, desc); | |
7809 | break; | |
7810 | } | |
7811 | } | |
7812 | ||
7813 | if (i < LPFC_RSRC_DESC_MAX_NUM) | |
7814 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
7815 | "3027 GET_FUNCTION_CONFIG: pf_number:%d, " | |
7816 | "vf_number:%d\n", phba->sli4_hba.iov.pf_number, | |
7817 | phba->sli4_hba.iov.vf_number); | |
8aa134a8 | 7818 | else |
912e3acd JS |
7819 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
7820 | "3028 GET_FUNCTION_CONFIG: failed to find " | |
7821 | "Resrouce Descriptor:x%x\n", | |
7822 | LPFC_RSRC_DESC_TYPE_FCFCOE); | |
912e3acd JS |
7823 | |
7824 | read_cfg_out: | |
7825 | mempool_free(pmb, phba->mbox_mem_pool); | |
da0436e9 | 7826 | return rc; |
3772a991 JS |
7827 | } |
7828 | ||
7829 | /** | |
2fcee4bf | 7830 | * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port. |
3772a991 JS |
7831 | * @phba: pointer to lpfc hba data structure. |
7832 | * | |
2fcee4bf JS |
7833 | * This routine is invoked to setup the port-side endian order when |
7834 | * the port if_type is 0. This routine has no function for other | |
7835 | * if_types. | |
da0436e9 JS |
7836 | * |
7837 | * Return codes | |
af901ca1 | 7838 | * 0 - successful |
25985edc | 7839 | * -ENOMEM - No available memory |
d439d286 | 7840 | * -EIO - The mailbox failed to complete successfully. |
3772a991 | 7841 | **/ |
da0436e9 JS |
7842 | static int |
7843 | lpfc_setup_endian_order(struct lpfc_hba *phba) | |
3772a991 | 7844 | { |
da0436e9 | 7845 | LPFC_MBOXQ_t *mboxq; |
2fcee4bf | 7846 | uint32_t if_type, rc = 0; |
da0436e9 JS |
7847 | uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0, |
7848 | HOST_ENDIAN_HIGH_WORD1}; | |
3772a991 | 7849 | |
2fcee4bf JS |
7850 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
7851 | switch (if_type) { | |
7852 | case LPFC_SLI_INTF_IF_TYPE_0: | |
7853 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, | |
7854 | GFP_KERNEL); | |
7855 | if (!mboxq) { | |
7856 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7857 | "0492 Unable to allocate memory for " | |
7858 | "issuing SLI_CONFIG_SPECIAL mailbox " | |
7859 | "command\n"); | |
7860 | return -ENOMEM; | |
7861 | } | |
3772a991 | 7862 | |
2fcee4bf JS |
7863 | /* |
7864 | * The SLI4_CONFIG_SPECIAL mailbox command requires the first | |
7865 | * two words to contain special data values and no other data. | |
7866 | */ | |
7867 | memset(mboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
7868 | memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data)); | |
7869 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7870 | if (rc != MBX_SUCCESS) { | |
7871 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7872 | "0493 SLI_CONFIG_SPECIAL mailbox " | |
7873 | "failed with status x%x\n", | |
7874 | rc); | |
7875 | rc = -EIO; | |
7876 | } | |
7877 | mempool_free(mboxq, phba->mbox_mem_pool); | |
7878 | break; | |
7879 | case LPFC_SLI_INTF_IF_TYPE_2: | |
7880 | case LPFC_SLI_INTF_IF_TYPE_1: | |
7881 | default: | |
7882 | break; | |
da0436e9 | 7883 | } |
da0436e9 | 7884 | return rc; |
3772a991 JS |
7885 | } |
7886 | ||
7887 | /** | |
895427bd | 7888 | * lpfc_sli4_queue_verify - Verify and update EQ counts |
3772a991 JS |
7889 | * @phba: pointer to lpfc hba data structure. |
7890 | * | |
895427bd JS |
7891 | * This routine is invoked to check the user settable queue counts for EQs. |
7892 | * After this routine is called the counts will be set to valid values that | |
5350d872 JS |
7893 | * adhere to the constraints of the system's interrupt vectors and the port's |
7894 | * queue resources. | |
da0436e9 JS |
7895 | * |
7896 | * Return codes | |
af901ca1 | 7897 | * 0 - successful |
25985edc | 7898 | * -ENOMEM - No available memory |
3772a991 | 7899 | **/ |
da0436e9 | 7900 | static int |
5350d872 | 7901 | lpfc_sli4_queue_verify(struct lpfc_hba *phba) |
3772a991 | 7902 | { |
895427bd | 7903 | int io_channel; |
1ba981fd | 7904 | int fof_vectors = phba->cfg_fof ? 1 : 0; |
3772a991 | 7905 | |
da0436e9 | 7906 | /* |
67d12733 | 7907 | * Sanity check for configured queue parameters against the run-time |
da0436e9 JS |
7908 | * device parameters |
7909 | */ | |
3772a991 | 7910 | |
67d12733 | 7911 | /* Sanity check on HBA EQ parameters */ |
895427bd | 7912 | io_channel = phba->io_channel_irqs; |
67d12733 | 7913 | |
895427bd | 7914 | if (phba->sli4_hba.num_online_cpu < io_channel) { |
82c3e9ba JS |
7915 | lpfc_printf_log(phba, |
7916 | KERN_ERR, LOG_INIT, | |
90695ee0 | 7917 | "3188 Reducing IO channels to match number of " |
7bb03bbf | 7918 | "online CPUs: from %d to %d\n", |
895427bd JS |
7919 | io_channel, phba->sli4_hba.num_online_cpu); |
7920 | io_channel = phba->sli4_hba.num_online_cpu; | |
90695ee0 JS |
7921 | } |
7922 | ||
895427bd | 7923 | if (io_channel + fof_vectors > phba->sli4_hba.max_cfg_param.max_eq) { |
82c3e9ba JS |
7924 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
7925 | "2575 Reducing IO channels to match number of " | |
7926 | "available EQs: from %d to %d\n", | |
895427bd | 7927 | io_channel, |
82c3e9ba | 7928 | phba->sli4_hba.max_cfg_param.max_eq); |
895427bd | 7929 | io_channel = phba->sli4_hba.max_cfg_param.max_eq - fof_vectors; |
da0436e9 | 7930 | } |
67d12733 | 7931 | |
895427bd JS |
7932 | /* The actual number of FCP / NVME event queues adopted */ |
7933 | if (io_channel != phba->io_channel_irqs) | |
7934 | phba->io_channel_irqs = io_channel; | |
7935 | if (phba->cfg_fcp_io_channel > io_channel) | |
7936 | phba->cfg_fcp_io_channel = io_channel; | |
7937 | if (phba->cfg_nvme_io_channel > io_channel) | |
7938 | phba->cfg_nvme_io_channel = io_channel; | |
2d7dbc4c JS |
7939 | if (phba->cfg_nvme_io_channel < phba->cfg_nvmet_mrq) |
7940 | phba->cfg_nvmet_mrq = phba->cfg_nvme_io_channel; | |
895427bd JS |
7941 | |
7942 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2d7dbc4c | 7943 | "2574 IO channels: irqs %d fcp %d nvme %d MRQ: %d\n", |
895427bd | 7944 | phba->io_channel_irqs, phba->cfg_fcp_io_channel, |
2d7dbc4c | 7945 | phba->cfg_nvme_io_channel, phba->cfg_nvmet_mrq); |
3772a991 | 7946 | |
da0436e9 JS |
7947 | /* Get EQ depth from module parameter, fake the default for now */ |
7948 | phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B; | |
7949 | phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT; | |
3772a991 | 7950 | |
5350d872 JS |
7951 | /* Get CQ depth from module parameter, fake the default for now */ |
7952 | phba->sli4_hba.cq_esize = LPFC_CQE_SIZE; | |
7953 | phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT; | |
895427bd JS |
7954 | return 0; |
7955 | } | |
7956 | ||
7957 | static int | |
7958 | lpfc_alloc_nvme_wq_cq(struct lpfc_hba *phba, int wqidx) | |
7959 | { | |
7960 | struct lpfc_queue *qdesc; | |
7961 | int cnt; | |
5350d872 | 7962 | |
895427bd JS |
7963 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, |
7964 | phba->sli4_hba.cq_ecount); | |
7965 | if (!qdesc) { | |
7966 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7967 | "0508 Failed allocate fast-path NVME CQ (%d)\n", | |
7968 | wqidx); | |
7969 | return 1; | |
7970 | } | |
7971 | phba->sli4_hba.nvme_cq[wqidx] = qdesc; | |
7972 | ||
7973 | cnt = LPFC_NVME_WQSIZE; | |
7974 | qdesc = lpfc_sli4_queue_alloc(phba, LPFC_WQE128_SIZE, cnt); | |
7975 | if (!qdesc) { | |
7976 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7977 | "0509 Failed allocate fast-path NVME WQ (%d)\n", | |
7978 | wqidx); | |
7979 | return 1; | |
7980 | } | |
7981 | phba->sli4_hba.nvme_wq[wqidx] = qdesc; | |
7982 | list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list); | |
7983 | return 0; | |
7984 | } | |
7985 | ||
7986 | static int | |
7987 | lpfc_alloc_fcp_wq_cq(struct lpfc_hba *phba, int wqidx) | |
7988 | { | |
7989 | struct lpfc_queue *qdesc; | |
7990 | uint32_t wqesize; | |
7991 | ||
7992 | /* Create Fast Path FCP CQs */ | |
7993 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
7994 | phba->sli4_hba.cq_ecount); | |
7995 | if (!qdesc) { | |
7996 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7997 | "0499 Failed allocate fast-path FCP CQ (%d)\n", wqidx); | |
7998 | return 1; | |
7999 | } | |
8000 | phba->sli4_hba.fcp_cq[wqidx] = qdesc; | |
8001 | ||
8002 | /* Create Fast Path FCP WQs */ | |
8003 | wqesize = (phba->fcp_embed_io) ? | |
d1f525aa | 8004 | LPFC_WQE128_SIZE : phba->sli4_hba.wq_esize; |
895427bd JS |
8005 | qdesc = lpfc_sli4_queue_alloc(phba, wqesize, phba->sli4_hba.wq_ecount); |
8006 | if (!qdesc) { | |
8007 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8008 | "0503 Failed allocate fast-path FCP WQ (%d)\n", | |
8009 | wqidx); | |
8010 | return 1; | |
8011 | } | |
8012 | phba->sli4_hba.fcp_wq[wqidx] = qdesc; | |
8013 | list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list); | |
5350d872 | 8014 | return 0; |
5350d872 JS |
8015 | } |
8016 | ||
8017 | /** | |
8018 | * lpfc_sli4_queue_create - Create all the SLI4 queues | |
8019 | * @phba: pointer to lpfc hba data structure. | |
8020 | * | |
8021 | * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA | |
8022 | * operation. For each SLI4 queue type, the parameters such as queue entry | |
8023 | * count (queue depth) shall be taken from the module parameter. For now, | |
8024 | * we just use some constant number as place holder. | |
8025 | * | |
8026 | * Return codes | |
4907cb7b | 8027 | * 0 - successful |
5350d872 JS |
8028 | * -ENOMEM - No availble memory |
8029 | * -EIO - The mailbox failed to complete successfully. | |
8030 | **/ | |
8031 | int | |
8032 | lpfc_sli4_queue_create(struct lpfc_hba *phba) | |
8033 | { | |
8034 | struct lpfc_queue *qdesc; | |
d1f525aa | 8035 | int idx, io_channel; |
5350d872 JS |
8036 | |
8037 | /* | |
67d12733 | 8038 | * Create HBA Record arrays. |
895427bd | 8039 | * Both NVME and FCP will share that same vectors / EQs |
5350d872 | 8040 | */ |
895427bd JS |
8041 | io_channel = phba->io_channel_irqs; |
8042 | if (!io_channel) | |
67d12733 | 8043 | return -ERANGE; |
5350d872 | 8044 | |
67d12733 JS |
8045 | phba->sli4_hba.mq_esize = LPFC_MQE_SIZE; |
8046 | phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT; | |
8047 | phba->sli4_hba.wq_esize = LPFC_WQE_SIZE; | |
8048 | phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT; | |
8049 | phba->sli4_hba.rq_esize = LPFC_RQE_SIZE; | |
8050 | phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT; | |
895427bd JS |
8051 | phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B; |
8052 | phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT; | |
8053 | phba->sli4_hba.cq_esize = LPFC_CQE_SIZE; | |
8054 | phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT; | |
67d12733 | 8055 | |
895427bd JS |
8056 | phba->sli4_hba.hba_eq = kcalloc(io_channel, |
8057 | sizeof(struct lpfc_queue *), | |
8058 | GFP_KERNEL); | |
67d12733 JS |
8059 | if (!phba->sli4_hba.hba_eq) { |
8060 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8061 | "2576 Failed allocate memory for " | |
8062 | "fast-path EQ record array\n"); | |
8063 | goto out_error; | |
8064 | } | |
8065 | ||
895427bd JS |
8066 | if (phba->cfg_fcp_io_channel) { |
8067 | phba->sli4_hba.fcp_cq = kcalloc(phba->cfg_fcp_io_channel, | |
8068 | sizeof(struct lpfc_queue *), | |
8069 | GFP_KERNEL); | |
8070 | if (!phba->sli4_hba.fcp_cq) { | |
8071 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8072 | "2577 Failed allocate memory for " | |
8073 | "fast-path CQ record array\n"); | |
8074 | goto out_error; | |
8075 | } | |
8076 | phba->sli4_hba.fcp_wq = kcalloc(phba->cfg_fcp_io_channel, | |
8077 | sizeof(struct lpfc_queue *), | |
8078 | GFP_KERNEL); | |
8079 | if (!phba->sli4_hba.fcp_wq) { | |
8080 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8081 | "2578 Failed allocate memory for " | |
8082 | "fast-path FCP WQ record array\n"); | |
8083 | goto out_error; | |
8084 | } | |
8085 | /* | |
8086 | * Since the first EQ can have multiple CQs associated with it, | |
8087 | * this array is used to quickly see if we have a FCP fast-path | |
8088 | * CQ match. | |
8089 | */ | |
8090 | phba->sli4_hba.fcp_cq_map = kcalloc(phba->cfg_fcp_io_channel, | |
8091 | sizeof(uint16_t), | |
8092 | GFP_KERNEL); | |
8093 | if (!phba->sli4_hba.fcp_cq_map) { | |
8094 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8095 | "2545 Failed allocate memory for " | |
8096 | "fast-path CQ map\n"); | |
8097 | goto out_error; | |
8098 | } | |
67d12733 JS |
8099 | } |
8100 | ||
895427bd JS |
8101 | if (phba->cfg_nvme_io_channel) { |
8102 | phba->sli4_hba.nvme_cq = kcalloc(phba->cfg_nvme_io_channel, | |
8103 | sizeof(struct lpfc_queue *), | |
8104 | GFP_KERNEL); | |
8105 | if (!phba->sli4_hba.nvme_cq) { | |
8106 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8107 | "6077 Failed allocate memory for " | |
8108 | "fast-path CQ record array\n"); | |
8109 | goto out_error; | |
8110 | } | |
da0436e9 | 8111 | |
895427bd JS |
8112 | phba->sli4_hba.nvme_wq = kcalloc(phba->cfg_nvme_io_channel, |
8113 | sizeof(struct lpfc_queue *), | |
8114 | GFP_KERNEL); | |
8115 | if (!phba->sli4_hba.nvme_wq) { | |
8116 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8117 | "2581 Failed allocate memory for " | |
8118 | "fast-path NVME WQ record array\n"); | |
8119 | goto out_error; | |
8120 | } | |
8121 | ||
8122 | /* | |
8123 | * Since the first EQ can have multiple CQs associated with it, | |
8124 | * this array is used to quickly see if we have a NVME fast-path | |
8125 | * CQ match. | |
8126 | */ | |
8127 | phba->sli4_hba.nvme_cq_map = kcalloc(phba->cfg_nvme_io_channel, | |
8128 | sizeof(uint16_t), | |
8129 | GFP_KERNEL); | |
8130 | if (!phba->sli4_hba.nvme_cq_map) { | |
8131 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8132 | "6078 Failed allocate memory for " | |
8133 | "fast-path CQ map\n"); | |
8134 | goto out_error; | |
8135 | } | |
2d7dbc4c JS |
8136 | |
8137 | if (phba->nvmet_support) { | |
8138 | phba->sli4_hba.nvmet_cqset = kcalloc( | |
8139 | phba->cfg_nvmet_mrq, | |
8140 | sizeof(struct lpfc_queue *), | |
8141 | GFP_KERNEL); | |
8142 | if (!phba->sli4_hba.nvmet_cqset) { | |
8143 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8144 | "3121 Fail allocate memory for " | |
8145 | "fast-path CQ set array\n"); | |
8146 | goto out_error; | |
8147 | } | |
8148 | phba->sli4_hba.nvmet_mrq_hdr = kcalloc( | |
8149 | phba->cfg_nvmet_mrq, | |
8150 | sizeof(struct lpfc_queue *), | |
8151 | GFP_KERNEL); | |
8152 | if (!phba->sli4_hba.nvmet_mrq_hdr) { | |
8153 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8154 | "3122 Fail allocate memory for " | |
8155 | "fast-path RQ set hdr array\n"); | |
8156 | goto out_error; | |
8157 | } | |
8158 | phba->sli4_hba.nvmet_mrq_data = kcalloc( | |
8159 | phba->cfg_nvmet_mrq, | |
8160 | sizeof(struct lpfc_queue *), | |
8161 | GFP_KERNEL); | |
8162 | if (!phba->sli4_hba.nvmet_mrq_data) { | |
8163 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8164 | "3124 Fail allocate memory for " | |
8165 | "fast-path RQ set data array\n"); | |
8166 | goto out_error; | |
8167 | } | |
8168 | } | |
da0436e9 | 8169 | } |
67d12733 | 8170 | |
895427bd | 8171 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_wq_list); |
67d12733 | 8172 | |
895427bd JS |
8173 | /* Create HBA Event Queues (EQs) */ |
8174 | for (idx = 0; idx < io_channel; idx++) { | |
67d12733 | 8175 | /* Create EQs */ |
da0436e9 JS |
8176 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize, |
8177 | phba->sli4_hba.eq_ecount); | |
8178 | if (!qdesc) { | |
8179 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
67d12733 JS |
8180 | "0497 Failed allocate EQ (%d)\n", idx); |
8181 | goto out_error; | |
da0436e9 | 8182 | } |
67d12733 | 8183 | phba->sli4_hba.hba_eq[idx] = qdesc; |
895427bd | 8184 | } |
67d12733 | 8185 | |
895427bd | 8186 | /* FCP and NVME io channels are not required to be balanced */ |
67d12733 | 8187 | |
895427bd JS |
8188 | for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) |
8189 | if (lpfc_alloc_fcp_wq_cq(phba, idx)) | |
67d12733 | 8190 | goto out_error; |
da0436e9 | 8191 | |
895427bd JS |
8192 | for (idx = 0; idx < phba->cfg_nvme_io_channel; idx++) |
8193 | if (lpfc_alloc_nvme_wq_cq(phba, idx)) | |
8194 | goto out_error; | |
67d12733 | 8195 | |
2d7dbc4c JS |
8196 | if (phba->nvmet_support) { |
8197 | for (idx = 0; idx < phba->cfg_nvmet_mrq; idx++) { | |
8198 | qdesc = lpfc_sli4_queue_alloc(phba, | |
8199 | phba->sli4_hba.cq_esize, | |
8200 | phba->sli4_hba.cq_ecount); | |
8201 | if (!qdesc) { | |
8202 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8203 | "3142 Failed allocate NVME " | |
8204 | "CQ Set (%d)\n", idx); | |
8205 | goto out_error; | |
8206 | } | |
8207 | phba->sli4_hba.nvmet_cqset[idx] = qdesc; | |
8208 | } | |
8209 | } | |
8210 | ||
da0436e9 | 8211 | /* |
67d12733 | 8212 | * Create Slow Path Completion Queues (CQs) |
da0436e9 JS |
8213 | */ |
8214 | ||
da0436e9 JS |
8215 | /* Create slow-path Mailbox Command Complete Queue */ |
8216 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
8217 | phba->sli4_hba.cq_ecount); | |
8218 | if (!qdesc) { | |
8219 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8220 | "0500 Failed allocate slow-path mailbox CQ\n"); | |
67d12733 | 8221 | goto out_error; |
da0436e9 JS |
8222 | } |
8223 | phba->sli4_hba.mbx_cq = qdesc; | |
8224 | ||
8225 | /* Create slow-path ELS Complete Queue */ | |
8226 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
8227 | phba->sli4_hba.cq_ecount); | |
8228 | if (!qdesc) { | |
8229 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8230 | "0501 Failed allocate slow-path ELS CQ\n"); | |
67d12733 | 8231 | goto out_error; |
da0436e9 JS |
8232 | } |
8233 | phba->sli4_hba.els_cq = qdesc; | |
8234 | ||
da0436e9 | 8235 | |
5350d872 | 8236 | /* |
67d12733 | 8237 | * Create Slow Path Work Queues (WQs) |
5350d872 | 8238 | */ |
da0436e9 JS |
8239 | |
8240 | /* Create Mailbox Command Queue */ | |
da0436e9 JS |
8241 | |
8242 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize, | |
8243 | phba->sli4_hba.mq_ecount); | |
8244 | if (!qdesc) { | |
8245 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8246 | "0505 Failed allocate slow-path MQ\n"); | |
67d12733 | 8247 | goto out_error; |
da0436e9 JS |
8248 | } |
8249 | phba->sli4_hba.mbx_wq = qdesc; | |
8250 | ||
8251 | /* | |
67d12733 | 8252 | * Create ELS Work Queues |
da0436e9 | 8253 | */ |
da0436e9 JS |
8254 | |
8255 | /* Create slow-path ELS Work Queue */ | |
8256 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize, | |
8257 | phba->sli4_hba.wq_ecount); | |
8258 | if (!qdesc) { | |
8259 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8260 | "0504 Failed allocate slow-path ELS WQ\n"); | |
67d12733 | 8261 | goto out_error; |
da0436e9 JS |
8262 | } |
8263 | phba->sli4_hba.els_wq = qdesc; | |
895427bd JS |
8264 | list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list); |
8265 | ||
8266 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { | |
8267 | /* Create NVME LS Complete Queue */ | |
8268 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
8269 | phba->sli4_hba.cq_ecount); | |
8270 | if (!qdesc) { | |
8271 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8272 | "6079 Failed allocate NVME LS CQ\n"); | |
8273 | goto out_error; | |
8274 | } | |
8275 | phba->sli4_hba.nvmels_cq = qdesc; | |
8276 | ||
8277 | /* Create NVME LS Work Queue */ | |
8278 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize, | |
8279 | phba->sli4_hba.wq_ecount); | |
8280 | if (!qdesc) { | |
8281 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8282 | "6080 Failed allocate NVME LS WQ\n"); | |
8283 | goto out_error; | |
8284 | } | |
8285 | phba->sli4_hba.nvmels_wq = qdesc; | |
8286 | list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list); | |
8287 | } | |
da0436e9 | 8288 | |
da0436e9 JS |
8289 | /* |
8290 | * Create Receive Queue (RQ) | |
8291 | */ | |
da0436e9 JS |
8292 | |
8293 | /* Create Receive Queue for header */ | |
8294 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, | |
8295 | phba->sli4_hba.rq_ecount); | |
8296 | if (!qdesc) { | |
8297 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8298 | "0506 Failed allocate receive HRQ\n"); | |
67d12733 | 8299 | goto out_error; |
da0436e9 JS |
8300 | } |
8301 | phba->sli4_hba.hdr_rq = qdesc; | |
8302 | ||
8303 | /* Create Receive Queue for data */ | |
8304 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, | |
8305 | phba->sli4_hba.rq_ecount); | |
8306 | if (!qdesc) { | |
8307 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8308 | "0507 Failed allocate receive DRQ\n"); | |
67d12733 | 8309 | goto out_error; |
da0436e9 JS |
8310 | } |
8311 | phba->sli4_hba.dat_rq = qdesc; | |
8312 | ||
2d7dbc4c JS |
8313 | if (phba->nvmet_support) { |
8314 | for (idx = 0; idx < phba->cfg_nvmet_mrq; idx++) { | |
8315 | /* Create NVMET Receive Queue for header */ | |
8316 | qdesc = lpfc_sli4_queue_alloc(phba, | |
8317 | phba->sli4_hba.rq_esize, | |
61f3d4bf | 8318 | LPFC_NVMET_RQE_DEF_COUNT); |
2d7dbc4c JS |
8319 | if (!qdesc) { |
8320 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8321 | "3146 Failed allocate " | |
8322 | "receive HRQ\n"); | |
8323 | goto out_error; | |
8324 | } | |
8325 | phba->sli4_hba.nvmet_mrq_hdr[idx] = qdesc; | |
8326 | ||
8327 | /* Only needed for header of RQ pair */ | |
8328 | qdesc->rqbp = kzalloc(sizeof(struct lpfc_rqb), | |
8329 | GFP_KERNEL); | |
8330 | if (qdesc->rqbp == NULL) { | |
8331 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8332 | "6131 Failed allocate " | |
8333 | "Header RQBP\n"); | |
8334 | goto out_error; | |
8335 | } | |
8336 | ||
4b40d02b DK |
8337 | /* Put list in known state in case driver load fails. */ |
8338 | INIT_LIST_HEAD(&qdesc->rqbp->rqb_buffer_list); | |
8339 | ||
2d7dbc4c JS |
8340 | /* Create NVMET Receive Queue for data */ |
8341 | qdesc = lpfc_sli4_queue_alloc(phba, | |
8342 | phba->sli4_hba.rq_esize, | |
61f3d4bf | 8343 | LPFC_NVMET_RQE_DEF_COUNT); |
2d7dbc4c JS |
8344 | if (!qdesc) { |
8345 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8346 | "3156 Failed allocate " | |
8347 | "receive DRQ\n"); | |
8348 | goto out_error; | |
8349 | } | |
8350 | phba->sli4_hba.nvmet_mrq_data[idx] = qdesc; | |
8351 | } | |
8352 | } | |
8353 | ||
1ba981fd JS |
8354 | /* Create the Queues needed for Flash Optimized Fabric operations */ |
8355 | if (phba->cfg_fof) | |
8356 | lpfc_fof_queue_create(phba); | |
da0436e9 JS |
8357 | return 0; |
8358 | ||
da0436e9 | 8359 | out_error: |
67d12733 | 8360 | lpfc_sli4_queue_destroy(phba); |
da0436e9 JS |
8361 | return -ENOMEM; |
8362 | } | |
8363 | ||
895427bd JS |
8364 | static inline void |
8365 | __lpfc_sli4_release_queue(struct lpfc_queue **qp) | |
8366 | { | |
8367 | if (*qp != NULL) { | |
8368 | lpfc_sli4_queue_free(*qp); | |
8369 | *qp = NULL; | |
8370 | } | |
8371 | } | |
8372 | ||
8373 | static inline void | |
8374 | lpfc_sli4_release_queues(struct lpfc_queue ***qs, int max) | |
8375 | { | |
8376 | int idx; | |
8377 | ||
8378 | if (*qs == NULL) | |
8379 | return; | |
8380 | ||
8381 | for (idx = 0; idx < max; idx++) | |
8382 | __lpfc_sli4_release_queue(&(*qs)[idx]); | |
8383 | ||
8384 | kfree(*qs); | |
8385 | *qs = NULL; | |
8386 | } | |
8387 | ||
8388 | static inline void | |
8389 | lpfc_sli4_release_queue_map(uint16_t **qmap) | |
8390 | { | |
8391 | if (*qmap != NULL) { | |
8392 | kfree(*qmap); | |
8393 | *qmap = NULL; | |
8394 | } | |
8395 | } | |
8396 | ||
da0436e9 JS |
8397 | /** |
8398 | * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues | |
8399 | * @phba: pointer to lpfc hba data structure. | |
8400 | * | |
8401 | * This routine is invoked to release all the SLI4 queues with the FCoE HBA | |
8402 | * operation. | |
8403 | * | |
8404 | * Return codes | |
af901ca1 | 8405 | * 0 - successful |
25985edc | 8406 | * -ENOMEM - No available memory |
d439d286 | 8407 | * -EIO - The mailbox failed to complete successfully. |
da0436e9 | 8408 | **/ |
5350d872 | 8409 | void |
da0436e9 JS |
8410 | lpfc_sli4_queue_destroy(struct lpfc_hba *phba) |
8411 | { | |
1ba981fd JS |
8412 | if (phba->cfg_fof) |
8413 | lpfc_fof_queue_destroy(phba); | |
8414 | ||
895427bd JS |
8415 | /* Release HBA eqs */ |
8416 | lpfc_sli4_release_queues(&phba->sli4_hba.hba_eq, phba->io_channel_irqs); | |
8417 | ||
8418 | /* Release FCP cqs */ | |
8419 | lpfc_sli4_release_queues(&phba->sli4_hba.fcp_cq, | |
d1f525aa | 8420 | phba->cfg_fcp_io_channel); |
895427bd JS |
8421 | |
8422 | /* Release FCP wqs */ | |
8423 | lpfc_sli4_release_queues(&phba->sli4_hba.fcp_wq, | |
d1f525aa | 8424 | phba->cfg_fcp_io_channel); |
895427bd JS |
8425 | |
8426 | /* Release FCP CQ mapping array */ | |
8427 | lpfc_sli4_release_queue_map(&phba->sli4_hba.fcp_cq_map); | |
8428 | ||
8429 | /* Release NVME cqs */ | |
8430 | lpfc_sli4_release_queues(&phba->sli4_hba.nvme_cq, | |
8431 | phba->cfg_nvme_io_channel); | |
8432 | ||
8433 | /* Release NVME wqs */ | |
8434 | lpfc_sli4_release_queues(&phba->sli4_hba.nvme_wq, | |
8435 | phba->cfg_nvme_io_channel); | |
8436 | ||
8437 | /* Release NVME CQ mapping array */ | |
8438 | lpfc_sli4_release_queue_map(&phba->sli4_hba.nvme_cq_map); | |
8439 | ||
2d7dbc4c JS |
8440 | lpfc_sli4_release_queues(&phba->sli4_hba.nvmet_cqset, |
8441 | phba->cfg_nvmet_mrq); | |
8442 | ||
8443 | lpfc_sli4_release_queues(&phba->sli4_hba.nvmet_mrq_hdr, | |
8444 | phba->cfg_nvmet_mrq); | |
8445 | lpfc_sli4_release_queues(&phba->sli4_hba.nvmet_mrq_data, | |
8446 | phba->cfg_nvmet_mrq); | |
8447 | ||
895427bd JS |
8448 | /* Release mailbox command work queue */ |
8449 | __lpfc_sli4_release_queue(&phba->sli4_hba.mbx_wq); | |
8450 | ||
8451 | /* Release ELS work queue */ | |
8452 | __lpfc_sli4_release_queue(&phba->sli4_hba.els_wq); | |
8453 | ||
8454 | /* Release ELS work queue */ | |
8455 | __lpfc_sli4_release_queue(&phba->sli4_hba.nvmels_wq); | |
8456 | ||
8457 | /* Release unsolicited receive queue */ | |
8458 | __lpfc_sli4_release_queue(&phba->sli4_hba.hdr_rq); | |
8459 | __lpfc_sli4_release_queue(&phba->sli4_hba.dat_rq); | |
8460 | ||
8461 | /* Release ELS complete queue */ | |
8462 | __lpfc_sli4_release_queue(&phba->sli4_hba.els_cq); | |
8463 | ||
8464 | /* Release NVME LS complete queue */ | |
8465 | __lpfc_sli4_release_queue(&phba->sli4_hba.nvmels_cq); | |
8466 | ||
8467 | /* Release mailbox command complete queue */ | |
8468 | __lpfc_sli4_release_queue(&phba->sli4_hba.mbx_cq); | |
8469 | ||
8470 | /* Everything on this list has been freed */ | |
8471 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_wq_list); | |
8472 | } | |
8473 | ||
895427bd JS |
8474 | int |
8475 | lpfc_free_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *rq) | |
8476 | { | |
8477 | struct lpfc_rqb *rqbp; | |
8478 | struct lpfc_dmabuf *h_buf; | |
8479 | struct rqb_dmabuf *rqb_buffer; | |
8480 | ||
8481 | rqbp = rq->rqbp; | |
8482 | while (!list_empty(&rqbp->rqb_buffer_list)) { | |
8483 | list_remove_head(&rqbp->rqb_buffer_list, h_buf, | |
8484 | struct lpfc_dmabuf, list); | |
8485 | ||
8486 | rqb_buffer = container_of(h_buf, struct rqb_dmabuf, hbuf); | |
8487 | (rqbp->rqb_free_buffer)(phba, rqb_buffer); | |
8488 | rqbp->buffer_count--; | |
67d12733 | 8489 | } |
895427bd JS |
8490 | return 1; |
8491 | } | |
67d12733 | 8492 | |
895427bd JS |
8493 | static int |
8494 | lpfc_create_wq_cq(struct lpfc_hba *phba, struct lpfc_queue *eq, | |
8495 | struct lpfc_queue *cq, struct lpfc_queue *wq, uint16_t *cq_map, | |
8496 | int qidx, uint32_t qtype) | |
8497 | { | |
8498 | struct lpfc_sli_ring *pring; | |
8499 | int rc; | |
8500 | ||
8501 | if (!eq || !cq || !wq) { | |
8502 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8503 | "6085 Fast-path %s (%d) not allocated\n", | |
8504 | ((eq) ? ((cq) ? "WQ" : "CQ") : "EQ"), qidx); | |
8505 | return -ENOMEM; | |
8506 | } | |
8507 | ||
8508 | /* create the Cq first */ | |
8509 | rc = lpfc_cq_create(phba, cq, eq, | |
8510 | (qtype == LPFC_MBOX) ? LPFC_MCQ : LPFC_WCQ, qtype); | |
8511 | if (rc) { | |
8512 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8513 | "6086 Failed setup of CQ (%d), rc = 0x%x\n", | |
8514 | qidx, (uint32_t)rc); | |
8515 | return rc; | |
67d12733 JS |
8516 | } |
8517 | ||
895427bd JS |
8518 | if (qtype != LPFC_MBOX) { |
8519 | /* Setup nvme_cq_map for fast lookup */ | |
8520 | if (cq_map) | |
8521 | *cq_map = cq->queue_id; | |
da0436e9 | 8522 | |
895427bd JS |
8523 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
8524 | "6087 CQ setup: cq[%d]-id=%d, parent eq[%d]-id=%d\n", | |
8525 | qidx, cq->queue_id, qidx, eq->queue_id); | |
da0436e9 | 8526 | |
895427bd JS |
8527 | /* create the wq */ |
8528 | rc = lpfc_wq_create(phba, wq, cq, qtype); | |
8529 | if (rc) { | |
8530 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8531 | "6123 Fail setup fastpath WQ (%d), rc = 0x%x\n", | |
8532 | qidx, (uint32_t)rc); | |
8533 | /* no need to tear down cq - caller will do so */ | |
8534 | return rc; | |
8535 | } | |
da0436e9 | 8536 | |
895427bd JS |
8537 | /* Bind this CQ/WQ to the NVME ring */ |
8538 | pring = wq->pring; | |
8539 | pring->sli.sli4.wqp = (void *)wq; | |
8540 | cq->pring = pring; | |
da0436e9 | 8541 | |
895427bd JS |
8542 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
8543 | "2593 WQ setup: wq[%d]-id=%d assoc=%d, cq[%d]-id=%d\n", | |
8544 | qidx, wq->queue_id, wq->assoc_qid, qidx, cq->queue_id); | |
8545 | } else { | |
8546 | rc = lpfc_mq_create(phba, wq, cq, LPFC_MBOX); | |
8547 | if (rc) { | |
8548 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8549 | "0539 Failed setup of slow-path MQ: " | |
8550 | "rc = 0x%x\n", rc); | |
8551 | /* no need to tear down cq - caller will do so */ | |
8552 | return rc; | |
8553 | } | |
da0436e9 | 8554 | |
895427bd JS |
8555 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
8556 | "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n", | |
8557 | phba->sli4_hba.mbx_wq->queue_id, | |
8558 | phba->sli4_hba.mbx_cq->queue_id); | |
67d12733 | 8559 | } |
da0436e9 | 8560 | |
895427bd | 8561 | return 0; |
da0436e9 JS |
8562 | } |
8563 | ||
8564 | /** | |
8565 | * lpfc_sli4_queue_setup - Set up all the SLI4 queues | |
8566 | * @phba: pointer to lpfc hba data structure. | |
8567 | * | |
8568 | * This routine is invoked to set up all the SLI4 queues for the FCoE HBA | |
8569 | * operation. | |
8570 | * | |
8571 | * Return codes | |
af901ca1 | 8572 | * 0 - successful |
25985edc | 8573 | * -ENOMEM - No available memory |
d439d286 | 8574 | * -EIO - The mailbox failed to complete successfully. |
da0436e9 JS |
8575 | **/ |
8576 | int | |
8577 | lpfc_sli4_queue_setup(struct lpfc_hba *phba) | |
8578 | { | |
962bc51b JS |
8579 | uint32_t shdr_status, shdr_add_status; |
8580 | union lpfc_sli4_cfg_shdr *shdr; | |
8581 | LPFC_MBOXQ_t *mboxq; | |
895427bd JS |
8582 | int qidx; |
8583 | uint32_t length, io_channel; | |
8584 | int rc = -ENOMEM; | |
962bc51b JS |
8585 | |
8586 | /* Check for dual-ULP support */ | |
8587 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
8588 | if (!mboxq) { | |
8589 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8590 | "3249 Unable to allocate memory for " | |
8591 | "QUERY_FW_CFG mailbox command\n"); | |
8592 | return -ENOMEM; | |
8593 | } | |
8594 | length = (sizeof(struct lpfc_mbx_query_fw_config) - | |
8595 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
8596 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
8597 | LPFC_MBOX_OPCODE_QUERY_FW_CFG, | |
8598 | length, LPFC_SLI4_MBX_EMBED); | |
8599 | ||
8600 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
8601 | ||
8602 | shdr = (union lpfc_sli4_cfg_shdr *) | |
8603 | &mboxq->u.mqe.un.sli4_config.header.cfg_shdr; | |
8604 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
8605 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
8606 | if (shdr_status || shdr_add_status || rc) { | |
8607 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8608 | "3250 QUERY_FW_CFG mailbox failed with status " | |
8609 | "x%x add_status x%x, mbx status x%x\n", | |
8610 | shdr_status, shdr_add_status, rc); | |
8611 | if (rc != MBX_TIMEOUT) | |
8612 | mempool_free(mboxq, phba->mbox_mem_pool); | |
8613 | rc = -ENXIO; | |
8614 | goto out_error; | |
8615 | } | |
8616 | ||
8617 | phba->sli4_hba.fw_func_mode = | |
8618 | mboxq->u.mqe.un.query_fw_cfg.rsp.function_mode; | |
8619 | phba->sli4_hba.ulp0_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp0_mode; | |
8620 | phba->sli4_hba.ulp1_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp1_mode; | |
8b017a30 JS |
8621 | phba->sli4_hba.physical_port = |
8622 | mboxq->u.mqe.un.query_fw_cfg.rsp.physical_port; | |
962bc51b JS |
8623 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
8624 | "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, " | |
8625 | "ulp1_mode:x%x\n", phba->sli4_hba.fw_func_mode, | |
8626 | phba->sli4_hba.ulp0_mode, phba->sli4_hba.ulp1_mode); | |
8627 | ||
8628 | if (rc != MBX_TIMEOUT) | |
8629 | mempool_free(mboxq, phba->mbox_mem_pool); | |
da0436e9 JS |
8630 | |
8631 | /* | |
67d12733 | 8632 | * Set up HBA Event Queues (EQs) |
da0436e9 | 8633 | */ |
895427bd | 8634 | io_channel = phba->io_channel_irqs; |
da0436e9 | 8635 | |
67d12733 | 8636 | /* Set up HBA event queue */ |
895427bd | 8637 | if (io_channel && !phba->sli4_hba.hba_eq) { |
2e90f4b5 JS |
8638 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
8639 | "3147 Fast-path EQs not allocated\n"); | |
1b51197d | 8640 | rc = -ENOMEM; |
67d12733 | 8641 | goto out_error; |
2e90f4b5 | 8642 | } |
895427bd JS |
8643 | for (qidx = 0; qidx < io_channel; qidx++) { |
8644 | if (!phba->sli4_hba.hba_eq[qidx]) { | |
da0436e9 JS |
8645 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
8646 | "0522 Fast-path EQ (%d) not " | |
895427bd | 8647 | "allocated\n", qidx); |
1b51197d | 8648 | rc = -ENOMEM; |
895427bd | 8649 | goto out_destroy; |
da0436e9 | 8650 | } |
895427bd JS |
8651 | rc = lpfc_eq_create(phba, phba->sli4_hba.hba_eq[qidx], |
8652 | phba->cfg_fcp_imax); | |
da0436e9 JS |
8653 | if (rc) { |
8654 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8655 | "0523 Failed setup of fast-path EQ " | |
895427bd | 8656 | "(%d), rc = 0x%x\n", qidx, |
a2fc4aef | 8657 | (uint32_t)rc); |
895427bd | 8658 | goto out_destroy; |
da0436e9 JS |
8659 | } |
8660 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
895427bd JS |
8661 | "2584 HBA EQ setup: queue[%d]-id=%d\n", |
8662 | qidx, phba->sli4_hba.hba_eq[qidx]->queue_id); | |
67d12733 JS |
8663 | } |
8664 | ||
895427bd JS |
8665 | if (phba->cfg_nvme_io_channel) { |
8666 | if (!phba->sli4_hba.nvme_cq || !phba->sli4_hba.nvme_wq) { | |
67d12733 | 8667 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
895427bd JS |
8668 | "6084 Fast-path NVME %s array not allocated\n", |
8669 | (phba->sli4_hba.nvme_cq) ? "CQ" : "WQ"); | |
67d12733 | 8670 | rc = -ENOMEM; |
895427bd | 8671 | goto out_destroy; |
67d12733 JS |
8672 | } |
8673 | ||
895427bd JS |
8674 | for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) { |
8675 | rc = lpfc_create_wq_cq(phba, | |
8676 | phba->sli4_hba.hba_eq[ | |
8677 | qidx % io_channel], | |
8678 | phba->sli4_hba.nvme_cq[qidx], | |
8679 | phba->sli4_hba.nvme_wq[qidx], | |
8680 | &phba->sli4_hba.nvme_cq_map[qidx], | |
8681 | qidx, LPFC_NVME); | |
8682 | if (rc) { | |
8683 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8684 | "6123 Failed to setup fastpath " | |
8685 | "NVME WQ/CQ (%d), rc = 0x%x\n", | |
8686 | qidx, (uint32_t)rc); | |
8687 | goto out_destroy; | |
8688 | } | |
8689 | } | |
67d12733 JS |
8690 | } |
8691 | ||
895427bd JS |
8692 | if (phba->cfg_fcp_io_channel) { |
8693 | /* Set up fast-path FCP Response Complete Queue */ | |
8694 | if (!phba->sli4_hba.fcp_cq || !phba->sli4_hba.fcp_wq) { | |
67d12733 | 8695 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
895427bd JS |
8696 | "3148 Fast-path FCP %s array not allocated\n", |
8697 | phba->sli4_hba.fcp_cq ? "WQ" : "CQ"); | |
67d12733 | 8698 | rc = -ENOMEM; |
895427bd | 8699 | goto out_destroy; |
67d12733 JS |
8700 | } |
8701 | ||
895427bd JS |
8702 | for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++) { |
8703 | rc = lpfc_create_wq_cq(phba, | |
8704 | phba->sli4_hba.hba_eq[ | |
8705 | qidx % io_channel], | |
8706 | phba->sli4_hba.fcp_cq[qidx], | |
8707 | phba->sli4_hba.fcp_wq[qidx], | |
8708 | &phba->sli4_hba.fcp_cq_map[qidx], | |
8709 | qidx, LPFC_FCP); | |
8710 | if (rc) { | |
8711 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8712 | "0535 Failed to setup fastpath " | |
8713 | "FCP WQ/CQ (%d), rc = 0x%x\n", | |
8714 | qidx, (uint32_t)rc); | |
8715 | goto out_destroy; | |
8716 | } | |
8717 | } | |
67d12733 | 8718 | } |
895427bd | 8719 | |
da0436e9 | 8720 | /* |
895427bd | 8721 | * Set up Slow Path Complete Queues (CQs) |
da0436e9 JS |
8722 | */ |
8723 | ||
895427bd | 8724 | /* Set up slow-path MBOX CQ/MQ */ |
da0436e9 | 8725 | |
895427bd | 8726 | if (!phba->sli4_hba.mbx_cq || !phba->sli4_hba.mbx_wq) { |
da0436e9 | 8727 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
895427bd JS |
8728 | "0528 %s not allocated\n", |
8729 | phba->sli4_hba.mbx_cq ? | |
d1f525aa | 8730 | "Mailbox WQ" : "Mailbox CQ"); |
1b51197d | 8731 | rc = -ENOMEM; |
895427bd | 8732 | goto out_destroy; |
da0436e9 | 8733 | } |
da0436e9 | 8734 | |
895427bd | 8735 | rc = lpfc_create_wq_cq(phba, phba->sli4_hba.hba_eq[0], |
d1f525aa JS |
8736 | phba->sli4_hba.mbx_cq, |
8737 | phba->sli4_hba.mbx_wq, | |
8738 | NULL, 0, LPFC_MBOX); | |
da0436e9 JS |
8739 | if (rc) { |
8740 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
895427bd JS |
8741 | "0529 Failed setup of mailbox WQ/CQ: rc = 0x%x\n", |
8742 | (uint32_t)rc); | |
8743 | goto out_destroy; | |
da0436e9 | 8744 | } |
2d7dbc4c JS |
8745 | if (phba->nvmet_support) { |
8746 | if (!phba->sli4_hba.nvmet_cqset) { | |
8747 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8748 | "3165 Fast-path NVME CQ Set " | |
8749 | "array not allocated\n"); | |
8750 | rc = -ENOMEM; | |
8751 | goto out_destroy; | |
8752 | } | |
8753 | if (phba->cfg_nvmet_mrq > 1) { | |
8754 | rc = lpfc_cq_create_set(phba, | |
8755 | phba->sli4_hba.nvmet_cqset, | |
8756 | phba->sli4_hba.hba_eq, | |
8757 | LPFC_WCQ, LPFC_NVMET); | |
8758 | if (rc) { | |
8759 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8760 | "3164 Failed setup of NVME CQ " | |
8761 | "Set, rc = 0x%x\n", | |
8762 | (uint32_t)rc); | |
8763 | goto out_destroy; | |
8764 | } | |
8765 | } else { | |
8766 | /* Set up NVMET Receive Complete Queue */ | |
8767 | rc = lpfc_cq_create(phba, phba->sli4_hba.nvmet_cqset[0], | |
8768 | phba->sli4_hba.hba_eq[0], | |
8769 | LPFC_WCQ, LPFC_NVMET); | |
8770 | if (rc) { | |
8771 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8772 | "6089 Failed setup NVMET CQ: " | |
8773 | "rc = 0x%x\n", (uint32_t)rc); | |
8774 | goto out_destroy; | |
8775 | } | |
8776 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8777 | "6090 NVMET CQ setup: cq-id=%d, " | |
8778 | "parent eq-id=%d\n", | |
8779 | phba->sli4_hba.nvmet_cqset[0]->queue_id, | |
8780 | phba->sli4_hba.hba_eq[0]->queue_id); | |
8781 | } | |
8782 | } | |
da0436e9 | 8783 | |
895427bd JS |
8784 | /* Set up slow-path ELS WQ/CQ */ |
8785 | if (!phba->sli4_hba.els_cq || !phba->sli4_hba.els_wq) { | |
da0436e9 | 8786 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
895427bd JS |
8787 | "0530 ELS %s not allocated\n", |
8788 | phba->sli4_hba.els_cq ? "WQ" : "CQ"); | |
1b51197d | 8789 | rc = -ENOMEM; |
895427bd | 8790 | goto out_destroy; |
da0436e9 | 8791 | } |
895427bd JS |
8792 | rc = lpfc_create_wq_cq(phba, phba->sli4_hba.hba_eq[0], |
8793 | phba->sli4_hba.els_cq, | |
8794 | phba->sli4_hba.els_wq, | |
8795 | NULL, 0, LPFC_ELS); | |
da0436e9 JS |
8796 | if (rc) { |
8797 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
895427bd JS |
8798 | "0529 Failed setup of ELS WQ/CQ: rc = 0x%x\n", |
8799 | (uint32_t)rc); | |
8800 | goto out_destroy; | |
da0436e9 JS |
8801 | } |
8802 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8803 | "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n", | |
8804 | phba->sli4_hba.els_wq->queue_id, | |
8805 | phba->sli4_hba.els_cq->queue_id); | |
8806 | ||
895427bd JS |
8807 | if (phba->cfg_nvme_io_channel) { |
8808 | /* Set up NVME LS Complete Queue */ | |
8809 | if (!phba->sli4_hba.nvmels_cq || !phba->sli4_hba.nvmels_wq) { | |
8810 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8811 | "6091 LS %s not allocated\n", | |
8812 | phba->sli4_hba.nvmels_cq ? "WQ" : "CQ"); | |
8813 | rc = -ENOMEM; | |
8814 | goto out_destroy; | |
8815 | } | |
8816 | rc = lpfc_create_wq_cq(phba, phba->sli4_hba.hba_eq[0], | |
8817 | phba->sli4_hba.nvmels_cq, | |
8818 | phba->sli4_hba.nvmels_wq, | |
8819 | NULL, 0, LPFC_NVME_LS); | |
8820 | if (rc) { | |
8821 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8822 | "0529 Failed setup of NVVME LS WQ/CQ: " | |
8823 | "rc = 0x%x\n", (uint32_t)rc); | |
8824 | goto out_destroy; | |
8825 | } | |
8826 | ||
8827 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8828 | "6096 ELS WQ setup: wq-id=%d, " | |
8829 | "parent cq-id=%d\n", | |
8830 | phba->sli4_hba.nvmels_wq->queue_id, | |
8831 | phba->sli4_hba.nvmels_cq->queue_id); | |
8832 | } | |
8833 | ||
2d7dbc4c JS |
8834 | /* |
8835 | * Create NVMET Receive Queue (RQ) | |
8836 | */ | |
8837 | if (phba->nvmet_support) { | |
8838 | if ((!phba->sli4_hba.nvmet_cqset) || | |
8839 | (!phba->sli4_hba.nvmet_mrq_hdr) || | |
8840 | (!phba->sli4_hba.nvmet_mrq_data)) { | |
8841 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8842 | "6130 MRQ CQ Queues not " | |
8843 | "allocated\n"); | |
8844 | rc = -ENOMEM; | |
8845 | goto out_destroy; | |
8846 | } | |
8847 | if (phba->cfg_nvmet_mrq > 1) { | |
8848 | rc = lpfc_mrq_create(phba, | |
8849 | phba->sli4_hba.nvmet_mrq_hdr, | |
8850 | phba->sli4_hba.nvmet_mrq_data, | |
8851 | phba->sli4_hba.nvmet_cqset, | |
8852 | LPFC_NVMET); | |
8853 | if (rc) { | |
8854 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8855 | "6098 Failed setup of NVMET " | |
8856 | "MRQ: rc = 0x%x\n", | |
8857 | (uint32_t)rc); | |
8858 | goto out_destroy; | |
8859 | } | |
8860 | ||
8861 | } else { | |
8862 | rc = lpfc_rq_create(phba, | |
8863 | phba->sli4_hba.nvmet_mrq_hdr[0], | |
8864 | phba->sli4_hba.nvmet_mrq_data[0], | |
8865 | phba->sli4_hba.nvmet_cqset[0], | |
8866 | LPFC_NVMET); | |
8867 | if (rc) { | |
8868 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8869 | "6057 Failed setup of NVMET " | |
8870 | "Receive Queue: rc = 0x%x\n", | |
8871 | (uint32_t)rc); | |
8872 | goto out_destroy; | |
8873 | } | |
8874 | ||
8875 | lpfc_printf_log( | |
8876 | phba, KERN_INFO, LOG_INIT, | |
8877 | "6099 NVMET RQ setup: hdr-rq-id=%d, " | |
8878 | "dat-rq-id=%d parent cq-id=%d\n", | |
8879 | phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id, | |
8880 | phba->sli4_hba.nvmet_mrq_data[0]->queue_id, | |
8881 | phba->sli4_hba.nvmet_cqset[0]->queue_id); | |
8882 | ||
8883 | } | |
8884 | } | |
8885 | ||
da0436e9 JS |
8886 | if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) { |
8887 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8888 | "0540 Receive Queue not allocated\n"); | |
1b51197d | 8889 | rc = -ENOMEM; |
895427bd | 8890 | goto out_destroy; |
da0436e9 | 8891 | } |
73d91e50 | 8892 | |
da0436e9 | 8893 | rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq, |
4d9ab994 | 8894 | phba->sli4_hba.els_cq, LPFC_USOL); |
da0436e9 JS |
8895 | if (rc) { |
8896 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8897 | "0541 Failed setup of Receive Queue: " | |
a2fc4aef | 8898 | "rc = 0x%x\n", (uint32_t)rc); |
895427bd | 8899 | goto out_destroy; |
da0436e9 | 8900 | } |
73d91e50 | 8901 | |
da0436e9 JS |
8902 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
8903 | "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d " | |
8904 | "parent cq-id=%d\n", | |
8905 | phba->sli4_hba.hdr_rq->queue_id, | |
8906 | phba->sli4_hba.dat_rq->queue_id, | |
4d9ab994 | 8907 | phba->sli4_hba.els_cq->queue_id); |
1ba981fd JS |
8908 | |
8909 | if (phba->cfg_fof) { | |
8910 | rc = lpfc_fof_queue_setup(phba); | |
8911 | if (rc) { | |
8912 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8913 | "0549 Failed setup of FOF Queues: " | |
8914 | "rc = 0x%x\n", rc); | |
895427bd | 8915 | goto out_destroy; |
1ba981fd JS |
8916 | } |
8917 | } | |
2c9c5a00 | 8918 | |
43140ca6 | 8919 | for (qidx = 0; qidx < io_channel; qidx += LPFC_MAX_EQ_DELAY_EQID_CNT) |
0cf07f84 JS |
8920 | lpfc_modify_hba_eq_delay(phba, qidx, LPFC_MAX_EQ_DELAY_EQID_CNT, |
8921 | phba->cfg_fcp_imax); | |
43140ca6 | 8922 | |
da0436e9 JS |
8923 | return 0; |
8924 | ||
895427bd JS |
8925 | out_destroy: |
8926 | lpfc_sli4_queue_unset(phba); | |
da0436e9 JS |
8927 | out_error: |
8928 | return rc; | |
8929 | } | |
8930 | ||
8931 | /** | |
8932 | * lpfc_sli4_queue_unset - Unset all the SLI4 queues | |
8933 | * @phba: pointer to lpfc hba data structure. | |
8934 | * | |
8935 | * This routine is invoked to unset all the SLI4 queues with the FCoE HBA | |
8936 | * operation. | |
8937 | * | |
8938 | * Return codes | |
af901ca1 | 8939 | * 0 - successful |
25985edc | 8940 | * -ENOMEM - No available memory |
d439d286 | 8941 | * -EIO - The mailbox failed to complete successfully. |
da0436e9 JS |
8942 | **/ |
8943 | void | |
8944 | lpfc_sli4_queue_unset(struct lpfc_hba *phba) | |
8945 | { | |
895427bd | 8946 | int qidx; |
da0436e9 | 8947 | |
1ba981fd JS |
8948 | /* Unset the queues created for Flash Optimized Fabric operations */ |
8949 | if (phba->cfg_fof) | |
8950 | lpfc_fof_queue_destroy(phba); | |
895427bd | 8951 | |
da0436e9 | 8952 | /* Unset mailbox command work queue */ |
895427bd JS |
8953 | if (phba->sli4_hba.mbx_wq) |
8954 | lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq); | |
8955 | ||
8956 | /* Unset NVME LS work queue */ | |
8957 | if (phba->sli4_hba.nvmels_wq) | |
8958 | lpfc_wq_destroy(phba, phba->sli4_hba.nvmels_wq); | |
8959 | ||
da0436e9 | 8960 | /* Unset ELS work queue */ |
019c0d66 | 8961 | if (phba->sli4_hba.els_wq) |
895427bd JS |
8962 | lpfc_wq_destroy(phba, phba->sli4_hba.els_wq); |
8963 | ||
da0436e9 | 8964 | /* Unset unsolicited receive queue */ |
895427bd JS |
8965 | if (phba->sli4_hba.hdr_rq) |
8966 | lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, | |
8967 | phba->sli4_hba.dat_rq); | |
8968 | ||
da0436e9 | 8969 | /* Unset FCP work queue */ |
895427bd JS |
8970 | if (phba->sli4_hba.fcp_wq) |
8971 | for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++) | |
8972 | lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[qidx]); | |
8973 | ||
8974 | /* Unset NVME work queue */ | |
8975 | if (phba->sli4_hba.nvme_wq) { | |
8976 | for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) | |
8977 | lpfc_wq_destroy(phba, phba->sli4_hba.nvme_wq[qidx]); | |
67d12733 | 8978 | } |
895427bd | 8979 | |
da0436e9 | 8980 | /* Unset mailbox command complete queue */ |
895427bd JS |
8981 | if (phba->sli4_hba.mbx_cq) |
8982 | lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq); | |
8983 | ||
da0436e9 | 8984 | /* Unset ELS complete queue */ |
895427bd JS |
8985 | if (phba->sli4_hba.els_cq) |
8986 | lpfc_cq_destroy(phba, phba->sli4_hba.els_cq); | |
8987 | ||
8988 | /* Unset NVME LS complete queue */ | |
8989 | if (phba->sli4_hba.nvmels_cq) | |
8990 | lpfc_cq_destroy(phba, phba->sli4_hba.nvmels_cq); | |
8991 | ||
8992 | /* Unset NVME response complete queue */ | |
8993 | if (phba->sli4_hba.nvme_cq) | |
8994 | for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) | |
8995 | lpfc_cq_destroy(phba, phba->sli4_hba.nvme_cq[qidx]); | |
8996 | ||
2d7dbc4c JS |
8997 | /* Unset NVMET MRQ queue */ |
8998 | if (phba->sli4_hba.nvmet_mrq_hdr) { | |
8999 | for (qidx = 0; qidx < phba->cfg_nvmet_mrq; qidx++) | |
9000 | lpfc_rq_destroy(phba, | |
9001 | phba->sli4_hba.nvmet_mrq_hdr[qidx], | |
9002 | phba->sli4_hba.nvmet_mrq_data[qidx]); | |
9003 | } | |
9004 | ||
9005 | /* Unset NVMET CQ Set complete queue */ | |
9006 | if (phba->sli4_hba.nvmet_cqset) { | |
9007 | for (qidx = 0; qidx < phba->cfg_nvmet_mrq; qidx++) | |
9008 | lpfc_cq_destroy(phba, | |
9009 | phba->sli4_hba.nvmet_cqset[qidx]); | |
9010 | } | |
9011 | ||
da0436e9 | 9012 | /* Unset FCP response complete queue */ |
895427bd JS |
9013 | if (phba->sli4_hba.fcp_cq) |
9014 | for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++) | |
9015 | lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[qidx]); | |
9016 | ||
da0436e9 | 9017 | /* Unset fast-path event queue */ |
895427bd JS |
9018 | if (phba->sli4_hba.hba_eq) |
9019 | for (qidx = 0; qidx < phba->io_channel_irqs; qidx++) | |
9020 | lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[qidx]); | |
da0436e9 JS |
9021 | } |
9022 | ||
9023 | /** | |
9024 | * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool | |
9025 | * @phba: pointer to lpfc hba data structure. | |
9026 | * | |
9027 | * This routine is invoked to allocate and set up a pool of completion queue | |
9028 | * events. The body of the completion queue event is a completion queue entry | |
9029 | * CQE. For now, this pool is used for the interrupt service routine to queue | |
9030 | * the following HBA completion queue events for the worker thread to process: | |
9031 | * - Mailbox asynchronous events | |
9032 | * - Receive queue completion unsolicited events | |
9033 | * Later, this can be used for all the slow-path events. | |
9034 | * | |
9035 | * Return codes | |
af901ca1 | 9036 | * 0 - successful |
25985edc | 9037 | * -ENOMEM - No available memory |
da0436e9 JS |
9038 | **/ |
9039 | static int | |
9040 | lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba) | |
9041 | { | |
9042 | struct lpfc_cq_event *cq_event; | |
9043 | int i; | |
9044 | ||
9045 | for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) { | |
9046 | cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL); | |
9047 | if (!cq_event) | |
9048 | goto out_pool_create_fail; | |
9049 | list_add_tail(&cq_event->list, | |
9050 | &phba->sli4_hba.sp_cqe_event_pool); | |
9051 | } | |
9052 | return 0; | |
9053 | ||
9054 | out_pool_create_fail: | |
9055 | lpfc_sli4_cq_event_pool_destroy(phba); | |
9056 | return -ENOMEM; | |
9057 | } | |
9058 | ||
9059 | /** | |
9060 | * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool | |
9061 | * @phba: pointer to lpfc hba data structure. | |
9062 | * | |
9063 | * This routine is invoked to free the pool of completion queue events at | |
9064 | * driver unload time. Note that, it is the responsibility of the driver | |
9065 | * cleanup routine to free all the outstanding completion-queue events | |
9066 | * allocated from this pool back into the pool before invoking this routine | |
9067 | * to destroy the pool. | |
9068 | **/ | |
9069 | static void | |
9070 | lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba) | |
9071 | { | |
9072 | struct lpfc_cq_event *cq_event, *next_cq_event; | |
9073 | ||
9074 | list_for_each_entry_safe(cq_event, next_cq_event, | |
9075 | &phba->sli4_hba.sp_cqe_event_pool, list) { | |
9076 | list_del(&cq_event->list); | |
9077 | kfree(cq_event); | |
9078 | } | |
9079 | } | |
9080 | ||
9081 | /** | |
9082 | * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool | |
9083 | * @phba: pointer to lpfc hba data structure. | |
9084 | * | |
9085 | * This routine is the lock free version of the API invoked to allocate a | |
9086 | * completion-queue event from the free pool. | |
9087 | * | |
9088 | * Return: Pointer to the newly allocated completion-queue event if successful | |
9089 | * NULL otherwise. | |
9090 | **/ | |
9091 | struct lpfc_cq_event * | |
9092 | __lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba) | |
9093 | { | |
9094 | struct lpfc_cq_event *cq_event = NULL; | |
9095 | ||
9096 | list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event, | |
9097 | struct lpfc_cq_event, list); | |
9098 | return cq_event; | |
9099 | } | |
9100 | ||
9101 | /** | |
9102 | * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool | |
9103 | * @phba: pointer to lpfc hba data structure. | |
9104 | * | |
9105 | * This routine is the lock version of the API invoked to allocate a | |
9106 | * completion-queue event from the free pool. | |
9107 | * | |
9108 | * Return: Pointer to the newly allocated completion-queue event if successful | |
9109 | * NULL otherwise. | |
9110 | **/ | |
9111 | struct lpfc_cq_event * | |
9112 | lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba) | |
9113 | { | |
9114 | struct lpfc_cq_event *cq_event; | |
9115 | unsigned long iflags; | |
9116 | ||
9117 | spin_lock_irqsave(&phba->hbalock, iflags); | |
9118 | cq_event = __lpfc_sli4_cq_event_alloc(phba); | |
9119 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
9120 | return cq_event; | |
9121 | } | |
9122 | ||
9123 | /** | |
9124 | * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool | |
9125 | * @phba: pointer to lpfc hba data structure. | |
9126 | * @cq_event: pointer to the completion queue event to be freed. | |
9127 | * | |
9128 | * This routine is the lock free version of the API invoked to release a | |
9129 | * completion-queue event back into the free pool. | |
9130 | **/ | |
9131 | void | |
9132 | __lpfc_sli4_cq_event_release(struct lpfc_hba *phba, | |
9133 | struct lpfc_cq_event *cq_event) | |
9134 | { | |
9135 | list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool); | |
9136 | } | |
9137 | ||
9138 | /** | |
9139 | * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool | |
9140 | * @phba: pointer to lpfc hba data structure. | |
9141 | * @cq_event: pointer to the completion queue event to be freed. | |
9142 | * | |
9143 | * This routine is the lock version of the API invoked to release a | |
9144 | * completion-queue event back into the free pool. | |
9145 | **/ | |
9146 | void | |
9147 | lpfc_sli4_cq_event_release(struct lpfc_hba *phba, | |
9148 | struct lpfc_cq_event *cq_event) | |
9149 | { | |
9150 | unsigned long iflags; | |
9151 | spin_lock_irqsave(&phba->hbalock, iflags); | |
9152 | __lpfc_sli4_cq_event_release(phba, cq_event); | |
9153 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
9154 | } | |
9155 | ||
9156 | /** | |
9157 | * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool | |
9158 | * @phba: pointer to lpfc hba data structure. | |
9159 | * | |
9160 | * This routine is to free all the pending completion-queue events to the | |
9161 | * back into the free pool for device reset. | |
9162 | **/ | |
9163 | static void | |
9164 | lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba) | |
9165 | { | |
9166 | LIST_HEAD(cqelist); | |
9167 | struct lpfc_cq_event *cqe; | |
9168 | unsigned long iflags; | |
9169 | ||
9170 | /* Retrieve all the pending WCQEs from pending WCQE lists */ | |
9171 | spin_lock_irqsave(&phba->hbalock, iflags); | |
9172 | /* Pending FCP XRI abort events */ | |
9173 | list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue, | |
9174 | &cqelist); | |
9175 | /* Pending ELS XRI abort events */ | |
9176 | list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue, | |
9177 | &cqelist); | |
318083ad JS |
9178 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { |
9179 | /* Pending NVME XRI abort events */ | |
9180 | list_splice_init(&phba->sli4_hba.sp_nvme_xri_aborted_work_queue, | |
9181 | &cqelist); | |
9182 | } | |
da0436e9 JS |
9183 | /* Pending asynnc events */ |
9184 | list_splice_init(&phba->sli4_hba.sp_asynce_work_queue, | |
9185 | &cqelist); | |
9186 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
9187 | ||
9188 | while (!list_empty(&cqelist)) { | |
9189 | list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list); | |
9190 | lpfc_sli4_cq_event_release(phba, cqe); | |
9191 | } | |
9192 | } | |
9193 | ||
9194 | /** | |
9195 | * lpfc_pci_function_reset - Reset pci function. | |
9196 | * @phba: pointer to lpfc hba data structure. | |
9197 | * | |
9198 | * This routine is invoked to request a PCI function reset. It will destroys | |
9199 | * all resources assigned to the PCI function which originates this request. | |
9200 | * | |
9201 | * Return codes | |
af901ca1 | 9202 | * 0 - successful |
25985edc | 9203 | * -ENOMEM - No available memory |
d439d286 | 9204 | * -EIO - The mailbox failed to complete successfully. |
da0436e9 JS |
9205 | **/ |
9206 | int | |
9207 | lpfc_pci_function_reset(struct lpfc_hba *phba) | |
9208 | { | |
9209 | LPFC_MBOXQ_t *mboxq; | |
2fcee4bf | 9210 | uint32_t rc = 0, if_type; |
da0436e9 | 9211 | uint32_t shdr_status, shdr_add_status; |
2f6fa2c9 JS |
9212 | uint32_t rdy_chk; |
9213 | uint32_t port_reset = 0; | |
da0436e9 | 9214 | union lpfc_sli4_cfg_shdr *shdr; |
2fcee4bf | 9215 | struct lpfc_register reg_data; |
2b81f942 | 9216 | uint16_t devid; |
da0436e9 | 9217 | |
2fcee4bf JS |
9218 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
9219 | switch (if_type) { | |
9220 | case LPFC_SLI_INTF_IF_TYPE_0: | |
9221 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, | |
9222 | GFP_KERNEL); | |
9223 | if (!mboxq) { | |
9224 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9225 | "0494 Unable to allocate memory for " | |
9226 | "issuing SLI_FUNCTION_RESET mailbox " | |
9227 | "command\n"); | |
9228 | return -ENOMEM; | |
9229 | } | |
da0436e9 | 9230 | |
2fcee4bf JS |
9231 | /* Setup PCI function reset mailbox-ioctl command */ |
9232 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
9233 | LPFC_MBOX_OPCODE_FUNCTION_RESET, 0, | |
9234 | LPFC_SLI4_MBX_EMBED); | |
9235 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
9236 | shdr = (union lpfc_sli4_cfg_shdr *) | |
9237 | &mboxq->u.mqe.un.sli4_config.header.cfg_shdr; | |
9238 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
9239 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
9240 | &shdr->response); | |
9241 | if (rc != MBX_TIMEOUT) | |
9242 | mempool_free(mboxq, phba->mbox_mem_pool); | |
9243 | if (shdr_status || shdr_add_status || rc) { | |
9244 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9245 | "0495 SLI_FUNCTION_RESET mailbox " | |
9246 | "failed with status x%x add_status x%x," | |
9247 | " mbx status x%x\n", | |
9248 | shdr_status, shdr_add_status, rc); | |
9249 | rc = -ENXIO; | |
9250 | } | |
9251 | break; | |
9252 | case LPFC_SLI_INTF_IF_TYPE_2: | |
2f6fa2c9 JS |
9253 | wait: |
9254 | /* | |
9255 | * Poll the Port Status Register and wait for RDY for | |
9256 | * up to 30 seconds. If the port doesn't respond, treat | |
9257 | * it as an error. | |
9258 | */ | |
77d093fb | 9259 | for (rdy_chk = 0; rdy_chk < 1500; rdy_chk++) { |
2f6fa2c9 JS |
9260 | if (lpfc_readl(phba->sli4_hba.u.if_type2. |
9261 | STATUSregaddr, ®_data.word0)) { | |
9262 | rc = -ENODEV; | |
9263 | goto out; | |
9264 | } | |
9265 | if (bf_get(lpfc_sliport_status_rdy, ®_data)) | |
9266 | break; | |
9267 | msleep(20); | |
9268 | } | |
9269 | ||
9270 | if (!bf_get(lpfc_sliport_status_rdy, ®_data)) { | |
9271 | phba->work_status[0] = readl( | |
9272 | phba->sli4_hba.u.if_type2.ERR1regaddr); | |
9273 | phba->work_status[1] = readl( | |
9274 | phba->sli4_hba.u.if_type2.ERR2regaddr); | |
9275 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9276 | "2890 Port not ready, port status reg " | |
9277 | "0x%x error 1=0x%x, error 2=0x%x\n", | |
9278 | reg_data.word0, | |
9279 | phba->work_status[0], | |
9280 | phba->work_status[1]); | |
9281 | rc = -ENODEV; | |
9282 | goto out; | |
9283 | } | |
9284 | ||
9285 | if (!port_reset) { | |
9286 | /* | |
9287 | * Reset the port now | |
9288 | */ | |
2fcee4bf JS |
9289 | reg_data.word0 = 0; |
9290 | bf_set(lpfc_sliport_ctrl_end, ®_data, | |
9291 | LPFC_SLIPORT_LITTLE_ENDIAN); | |
9292 | bf_set(lpfc_sliport_ctrl_ip, ®_data, | |
9293 | LPFC_SLIPORT_INIT_PORT); | |
9294 | writel(reg_data.word0, phba->sli4_hba.u.if_type2. | |
9295 | CTRLregaddr); | |
8fcb8acd | 9296 | /* flush */ |
2b81f942 JS |
9297 | pci_read_config_word(phba->pcidev, |
9298 | PCI_DEVICE_ID, &devid); | |
2fcee4bf | 9299 | |
2f6fa2c9 JS |
9300 | port_reset = 1; |
9301 | msleep(20); | |
9302 | goto wait; | |
9303 | } else if (bf_get(lpfc_sliport_status_rn, ®_data)) { | |
9304 | rc = -ENODEV; | |
9305 | goto out; | |
2fcee4bf JS |
9306 | } |
9307 | break; | |
2f6fa2c9 | 9308 | |
2fcee4bf JS |
9309 | case LPFC_SLI_INTF_IF_TYPE_1: |
9310 | default: | |
9311 | break; | |
da0436e9 | 9312 | } |
2fcee4bf | 9313 | |
73d91e50 | 9314 | out: |
2fcee4bf | 9315 | /* Catch the not-ready port failure after a port reset. */ |
2f6fa2c9 | 9316 | if (rc) { |
229adb0e JS |
9317 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
9318 | "3317 HBA not functional: IP Reset Failed " | |
2f6fa2c9 | 9319 | "try: echo fw_reset > board_mode\n"); |
2fcee4bf | 9320 | rc = -ENODEV; |
229adb0e | 9321 | } |
2fcee4bf | 9322 | |
da0436e9 JS |
9323 | return rc; |
9324 | } | |
9325 | ||
da0436e9 JS |
9326 | /** |
9327 | * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space. | |
9328 | * @phba: pointer to lpfc hba data structure. | |
9329 | * | |
9330 | * This routine is invoked to set up the PCI device memory space for device | |
9331 | * with SLI-4 interface spec. | |
9332 | * | |
9333 | * Return codes | |
af901ca1 | 9334 | * 0 - successful |
da0436e9 JS |
9335 | * other values - error |
9336 | **/ | |
9337 | static int | |
9338 | lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) | |
9339 | { | |
9340 | struct pci_dev *pdev; | |
9341 | unsigned long bar0map_len, bar1map_len, bar2map_len; | |
9342 | int error = -ENODEV; | |
2fcee4bf | 9343 | uint32_t if_type; |
da0436e9 JS |
9344 | |
9345 | /* Obtain PCI device reference */ | |
9346 | if (!phba->pcidev) | |
9347 | return error; | |
9348 | else | |
9349 | pdev = phba->pcidev; | |
9350 | ||
9351 | /* Set the device DMA mask size */ | |
8e68597d MR |
9352 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0 |
9353 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) { | |
9354 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0 | |
9355 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) { | |
da0436e9 | 9356 | return error; |
8e68597d MR |
9357 | } |
9358 | } | |
da0436e9 | 9359 | |
2fcee4bf JS |
9360 | /* |
9361 | * The BARs and register set definitions and offset locations are | |
9362 | * dependent on the if_type. | |
9363 | */ | |
9364 | if (pci_read_config_dword(pdev, LPFC_SLI_INTF, | |
9365 | &phba->sli4_hba.sli_intf.word0)) { | |
9366 | return error; | |
9367 | } | |
9368 | ||
9369 | /* There is no SLI3 failback for SLI4 devices. */ | |
9370 | if (bf_get(lpfc_sli_intf_valid, &phba->sli4_hba.sli_intf) != | |
9371 | LPFC_SLI_INTF_VALID) { | |
9372 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9373 | "2894 SLI_INTF reg contents invalid " | |
9374 | "sli_intf reg 0x%x\n", | |
9375 | phba->sli4_hba.sli_intf.word0); | |
9376 | return error; | |
9377 | } | |
9378 | ||
9379 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
9380 | /* | |
9381 | * Get the bus address of SLI4 device Bar regions and the | |
9382 | * number of bytes required by each mapping. The mapping of the | |
9383 | * particular PCI BARs regions is dependent on the type of | |
9384 | * SLI4 device. | |
da0436e9 | 9385 | */ |
f5ca6f2e JS |
9386 | if (pci_resource_start(pdev, PCI_64BIT_BAR0)) { |
9387 | phba->pci_bar0_map = pci_resource_start(pdev, PCI_64BIT_BAR0); | |
9388 | bar0map_len = pci_resource_len(pdev, PCI_64BIT_BAR0); | |
2fcee4bf JS |
9389 | |
9390 | /* | |
9391 | * Map SLI4 PCI Config Space Register base to a kernel virtual | |
9392 | * addr | |
9393 | */ | |
9394 | phba->sli4_hba.conf_regs_memmap_p = | |
9395 | ioremap(phba->pci_bar0_map, bar0map_len); | |
9396 | if (!phba->sli4_hba.conf_regs_memmap_p) { | |
9397 | dev_printk(KERN_ERR, &pdev->dev, | |
9398 | "ioremap failed for SLI4 PCI config " | |
9399 | "registers.\n"); | |
9400 | goto out; | |
9401 | } | |
f5ca6f2e | 9402 | phba->pci_bar0_memmap_p = phba->sli4_hba.conf_regs_memmap_p; |
2fcee4bf JS |
9403 | /* Set up BAR0 PCI config space register memory map */ |
9404 | lpfc_sli4_bar0_register_memmap(phba, if_type); | |
1dfb5a47 JS |
9405 | } else { |
9406 | phba->pci_bar0_map = pci_resource_start(pdev, 1); | |
9407 | bar0map_len = pci_resource_len(pdev, 1); | |
2fcee4bf JS |
9408 | if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { |
9409 | dev_printk(KERN_ERR, &pdev->dev, | |
9410 | "FATAL - No BAR0 mapping for SLI4, if_type 2\n"); | |
9411 | goto out; | |
9412 | } | |
9413 | phba->sli4_hba.conf_regs_memmap_p = | |
da0436e9 | 9414 | ioremap(phba->pci_bar0_map, bar0map_len); |
2fcee4bf JS |
9415 | if (!phba->sli4_hba.conf_regs_memmap_p) { |
9416 | dev_printk(KERN_ERR, &pdev->dev, | |
9417 | "ioremap failed for SLI4 PCI config " | |
9418 | "registers.\n"); | |
9419 | goto out; | |
9420 | } | |
9421 | lpfc_sli4_bar0_register_memmap(phba, if_type); | |
da0436e9 JS |
9422 | } |
9423 | ||
c31098ce | 9424 | if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) && |
f5ca6f2e | 9425 | (pci_resource_start(pdev, PCI_64BIT_BAR2))) { |
2fcee4bf JS |
9426 | /* |
9427 | * Map SLI4 if type 0 HBA Control Register base to a kernel | |
9428 | * virtual address and setup the registers. | |
9429 | */ | |
f5ca6f2e JS |
9430 | phba->pci_bar1_map = pci_resource_start(pdev, PCI_64BIT_BAR2); |
9431 | bar1map_len = pci_resource_len(pdev, PCI_64BIT_BAR2); | |
2fcee4bf | 9432 | phba->sli4_hba.ctrl_regs_memmap_p = |
da0436e9 | 9433 | ioremap(phba->pci_bar1_map, bar1map_len); |
2fcee4bf JS |
9434 | if (!phba->sli4_hba.ctrl_regs_memmap_p) { |
9435 | dev_printk(KERN_ERR, &pdev->dev, | |
da0436e9 | 9436 | "ioremap failed for SLI4 HBA control registers.\n"); |
2fcee4bf JS |
9437 | goto out_iounmap_conf; |
9438 | } | |
f5ca6f2e | 9439 | phba->pci_bar2_memmap_p = phba->sli4_hba.ctrl_regs_memmap_p; |
2fcee4bf | 9440 | lpfc_sli4_bar1_register_memmap(phba); |
da0436e9 JS |
9441 | } |
9442 | ||
c31098ce | 9443 | if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) && |
f5ca6f2e | 9444 | (pci_resource_start(pdev, PCI_64BIT_BAR4))) { |
2fcee4bf JS |
9445 | /* |
9446 | * Map SLI4 if type 0 HBA Doorbell Register base to a kernel | |
9447 | * virtual address and setup the registers. | |
9448 | */ | |
f5ca6f2e JS |
9449 | phba->pci_bar2_map = pci_resource_start(pdev, PCI_64BIT_BAR4); |
9450 | bar2map_len = pci_resource_len(pdev, PCI_64BIT_BAR4); | |
2fcee4bf | 9451 | phba->sli4_hba.drbl_regs_memmap_p = |
da0436e9 | 9452 | ioremap(phba->pci_bar2_map, bar2map_len); |
2fcee4bf JS |
9453 | if (!phba->sli4_hba.drbl_regs_memmap_p) { |
9454 | dev_printk(KERN_ERR, &pdev->dev, | |
da0436e9 | 9455 | "ioremap failed for SLI4 HBA doorbell registers.\n"); |
2fcee4bf JS |
9456 | goto out_iounmap_ctrl; |
9457 | } | |
f5ca6f2e | 9458 | phba->pci_bar4_memmap_p = phba->sli4_hba.drbl_regs_memmap_p; |
2fcee4bf JS |
9459 | error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0); |
9460 | if (error) | |
9461 | goto out_iounmap_all; | |
da0436e9 JS |
9462 | } |
9463 | ||
da0436e9 JS |
9464 | return 0; |
9465 | ||
9466 | out_iounmap_all: | |
9467 | iounmap(phba->sli4_hba.drbl_regs_memmap_p); | |
9468 | out_iounmap_ctrl: | |
9469 | iounmap(phba->sli4_hba.ctrl_regs_memmap_p); | |
9470 | out_iounmap_conf: | |
9471 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
9472 | out: | |
9473 | return error; | |
9474 | } | |
9475 | ||
9476 | /** | |
9477 | * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space. | |
9478 | * @phba: pointer to lpfc hba data structure. | |
9479 | * | |
9480 | * This routine is invoked to unset the PCI device memory space for device | |
9481 | * with SLI-4 interface spec. | |
9482 | **/ | |
9483 | static void | |
9484 | lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba) | |
9485 | { | |
2e90f4b5 JS |
9486 | uint32_t if_type; |
9487 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
da0436e9 | 9488 | |
2e90f4b5 JS |
9489 | switch (if_type) { |
9490 | case LPFC_SLI_INTF_IF_TYPE_0: | |
9491 | iounmap(phba->sli4_hba.drbl_regs_memmap_p); | |
9492 | iounmap(phba->sli4_hba.ctrl_regs_memmap_p); | |
9493 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
9494 | break; | |
9495 | case LPFC_SLI_INTF_IF_TYPE_2: | |
9496 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
9497 | break; | |
9498 | case LPFC_SLI_INTF_IF_TYPE_1: | |
9499 | default: | |
9500 | dev_printk(KERN_ERR, &phba->pcidev->dev, | |
9501 | "FATAL - unsupported SLI4 interface type - %d\n", | |
9502 | if_type); | |
9503 | break; | |
9504 | } | |
da0436e9 JS |
9505 | } |
9506 | ||
9507 | /** | |
9508 | * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device | |
9509 | * @phba: pointer to lpfc hba data structure. | |
9510 | * | |
9511 | * This routine is invoked to enable the MSI-X interrupt vectors to device | |
45ffac19 | 9512 | * with SLI-3 interface specs. |
da0436e9 JS |
9513 | * |
9514 | * Return codes | |
af901ca1 | 9515 | * 0 - successful |
da0436e9 JS |
9516 | * other values - error |
9517 | **/ | |
9518 | static int | |
9519 | lpfc_sli_enable_msix(struct lpfc_hba *phba) | |
9520 | { | |
45ffac19 | 9521 | int rc; |
da0436e9 JS |
9522 | LPFC_MBOXQ_t *pmb; |
9523 | ||
9524 | /* Set up MSI-X multi-message vectors */ | |
45ffac19 CH |
9525 | rc = pci_alloc_irq_vectors(phba->pcidev, |
9526 | LPFC_MSIX_VECTORS, LPFC_MSIX_VECTORS, PCI_IRQ_MSIX); | |
9527 | if (rc < 0) { | |
da0436e9 JS |
9528 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
9529 | "0420 PCI enable MSI-X failed (%d)\n", rc); | |
029165ac | 9530 | goto vec_fail_out; |
da0436e9 | 9531 | } |
45ffac19 | 9532 | |
da0436e9 JS |
9533 | /* |
9534 | * Assign MSI-X vectors to interrupt handlers | |
9535 | */ | |
9536 | ||
9537 | /* vector-0 is associated to slow-path handler */ | |
45ffac19 | 9538 | rc = request_irq(pci_irq_vector(phba->pcidev, 0), |
ed243d37 | 9539 | &lpfc_sli_sp_intr_handler, 0, |
da0436e9 JS |
9540 | LPFC_SP_DRIVER_HANDLER_NAME, phba); |
9541 | if (rc) { | |
9542 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
9543 | "0421 MSI-X slow-path request_irq failed " | |
9544 | "(%d)\n", rc); | |
9545 | goto msi_fail_out; | |
9546 | } | |
9547 | ||
9548 | /* vector-1 is associated to fast-path handler */ | |
45ffac19 | 9549 | rc = request_irq(pci_irq_vector(phba->pcidev, 1), |
ed243d37 | 9550 | &lpfc_sli_fp_intr_handler, 0, |
da0436e9 JS |
9551 | LPFC_FP_DRIVER_HANDLER_NAME, phba); |
9552 | ||
9553 | if (rc) { | |
9554 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
9555 | "0429 MSI-X fast-path request_irq failed " | |
9556 | "(%d)\n", rc); | |
9557 | goto irq_fail_out; | |
9558 | } | |
9559 | ||
9560 | /* | |
9561 | * Configure HBA MSI-X attention conditions to messages | |
9562 | */ | |
9563 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
9564 | ||
9565 | if (!pmb) { | |
9566 | rc = -ENOMEM; | |
9567 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9568 | "0474 Unable to allocate memory for issuing " | |
9569 | "MBOX_CONFIG_MSI command\n"); | |
9570 | goto mem_fail_out; | |
9571 | } | |
9572 | rc = lpfc_config_msi(phba, pmb); | |
9573 | if (rc) | |
9574 | goto mbx_fail_out; | |
9575 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
9576 | if (rc != MBX_SUCCESS) { | |
9577 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, | |
9578 | "0351 Config MSI mailbox command failed, " | |
9579 | "mbxCmd x%x, mbxStatus x%x\n", | |
9580 | pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus); | |
9581 | goto mbx_fail_out; | |
9582 | } | |
9583 | ||
9584 | /* Free memory allocated for mailbox command */ | |
9585 | mempool_free(pmb, phba->mbox_mem_pool); | |
9586 | return rc; | |
9587 | ||
9588 | mbx_fail_out: | |
9589 | /* Free memory allocated for mailbox command */ | |
9590 | mempool_free(pmb, phba->mbox_mem_pool); | |
9591 | ||
9592 | mem_fail_out: | |
9593 | /* free the irq already requested */ | |
45ffac19 | 9594 | free_irq(pci_irq_vector(phba->pcidev, 1), phba); |
da0436e9 JS |
9595 | |
9596 | irq_fail_out: | |
9597 | /* free the irq already requested */ | |
45ffac19 | 9598 | free_irq(pci_irq_vector(phba->pcidev, 0), phba); |
da0436e9 JS |
9599 | |
9600 | msi_fail_out: | |
9601 | /* Unconfigure MSI-X capability structure */ | |
45ffac19 | 9602 | pci_free_irq_vectors(phba->pcidev); |
029165ac AG |
9603 | |
9604 | vec_fail_out: | |
da0436e9 JS |
9605 | return rc; |
9606 | } | |
9607 | ||
da0436e9 JS |
9608 | /** |
9609 | * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device. | |
9610 | * @phba: pointer to lpfc hba data structure. | |
9611 | * | |
9612 | * This routine is invoked to enable the MSI interrupt mode to device with | |
9613 | * SLI-3 interface spec. The kernel function pci_enable_msi() is called to | |
9614 | * enable the MSI vector. The device driver is responsible for calling the | |
9615 | * request_irq() to register MSI vector with a interrupt the handler, which | |
9616 | * is done in this function. | |
9617 | * | |
9618 | * Return codes | |
af901ca1 | 9619 | * 0 - successful |
da0436e9 JS |
9620 | * other values - error |
9621 | */ | |
9622 | static int | |
9623 | lpfc_sli_enable_msi(struct lpfc_hba *phba) | |
9624 | { | |
9625 | int rc; | |
9626 | ||
9627 | rc = pci_enable_msi(phba->pcidev); | |
9628 | if (!rc) | |
9629 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
9630 | "0462 PCI enable MSI mode success.\n"); | |
9631 | else { | |
9632 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
9633 | "0471 PCI enable MSI mode failed (%d)\n", rc); | |
9634 | return rc; | |
9635 | } | |
9636 | ||
9637 | rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler, | |
ed243d37 | 9638 | 0, LPFC_DRIVER_NAME, phba); |
da0436e9 JS |
9639 | if (rc) { |
9640 | pci_disable_msi(phba->pcidev); | |
9641 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
9642 | "0478 MSI request_irq failed (%d)\n", rc); | |
9643 | } | |
9644 | return rc; | |
9645 | } | |
9646 | ||
da0436e9 JS |
9647 | /** |
9648 | * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device. | |
9649 | * @phba: pointer to lpfc hba data structure. | |
9650 | * | |
9651 | * This routine is invoked to enable device interrupt and associate driver's | |
9652 | * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface | |
9653 | * spec. Depends on the interrupt mode configured to the driver, the driver | |
9654 | * will try to fallback from the configured interrupt mode to an interrupt | |
9655 | * mode which is supported by the platform, kernel, and device in the order | |
9656 | * of: | |
9657 | * MSI-X -> MSI -> IRQ. | |
9658 | * | |
9659 | * Return codes | |
af901ca1 | 9660 | * 0 - successful |
da0436e9 JS |
9661 | * other values - error |
9662 | **/ | |
9663 | static uint32_t | |
9664 | lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) | |
9665 | { | |
9666 | uint32_t intr_mode = LPFC_INTR_ERROR; | |
9667 | int retval; | |
9668 | ||
9669 | if (cfg_mode == 2) { | |
9670 | /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */ | |
9671 | retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3); | |
9672 | if (!retval) { | |
9673 | /* Now, try to enable MSI-X interrupt mode */ | |
9674 | retval = lpfc_sli_enable_msix(phba); | |
9675 | if (!retval) { | |
9676 | /* Indicate initialization to MSI-X mode */ | |
9677 | phba->intr_type = MSIX; | |
9678 | intr_mode = 2; | |
9679 | } | |
9680 | } | |
9681 | } | |
9682 | ||
9683 | /* Fallback to MSI if MSI-X initialization failed */ | |
9684 | if (cfg_mode >= 1 && phba->intr_type == NONE) { | |
9685 | retval = lpfc_sli_enable_msi(phba); | |
9686 | if (!retval) { | |
9687 | /* Indicate initialization to MSI mode */ | |
9688 | phba->intr_type = MSI; | |
9689 | intr_mode = 1; | |
9690 | } | |
9691 | } | |
9692 | ||
9693 | /* Fallback to INTx if both MSI-X/MSI initalization failed */ | |
9694 | if (phba->intr_type == NONE) { | |
9695 | retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler, | |
9696 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
9697 | if (!retval) { | |
9698 | /* Indicate initialization to INTx mode */ | |
9699 | phba->intr_type = INTx; | |
9700 | intr_mode = 0; | |
9701 | } | |
9702 | } | |
9703 | return intr_mode; | |
9704 | } | |
9705 | ||
9706 | /** | |
9707 | * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device. | |
9708 | * @phba: pointer to lpfc hba data structure. | |
9709 | * | |
9710 | * This routine is invoked to disable device interrupt and disassociate the | |
9711 | * driver's interrupt handler(s) from interrupt vector(s) to device with | |
9712 | * SLI-3 interface spec. Depending on the interrupt mode, the driver will | |
9713 | * release the interrupt vector(s) for the message signaled interrupt. | |
9714 | **/ | |
9715 | static void | |
9716 | lpfc_sli_disable_intr(struct lpfc_hba *phba) | |
9717 | { | |
45ffac19 CH |
9718 | int nr_irqs, i; |
9719 | ||
da0436e9 | 9720 | if (phba->intr_type == MSIX) |
45ffac19 CH |
9721 | nr_irqs = LPFC_MSIX_VECTORS; |
9722 | else | |
9723 | nr_irqs = 1; | |
9724 | ||
9725 | for (i = 0; i < nr_irqs; i++) | |
9726 | free_irq(pci_irq_vector(phba->pcidev, i), phba); | |
9727 | pci_free_irq_vectors(phba->pcidev); | |
da0436e9 JS |
9728 | |
9729 | /* Reset interrupt management states */ | |
9730 | phba->intr_type = NONE; | |
9731 | phba->sli.slistat.sli_intr = 0; | |
da0436e9 JS |
9732 | } |
9733 | ||
7bb03bbf | 9734 | /** |
895427bd | 9735 | * lpfc_cpu_affinity_check - Check vector CPU affinity mappings |
7bb03bbf | 9736 | * @phba: pointer to lpfc hba data structure. |
895427bd JS |
9737 | * @vectors: number of msix vectors allocated. |
9738 | * | |
9739 | * The routine will figure out the CPU affinity assignment for every | |
9740 | * MSI-X vector allocated for the HBA. The hba_eq_hdl will be updated | |
9741 | * with a pointer to the CPU mask that defines ALL the CPUs this vector | |
9742 | * can be associated with. If the vector can be unquely associated with | |
9743 | * a single CPU, that CPU will be recorded in hba_eq_hdl[index].cpu. | |
9744 | * In addition, the CPU to IO channel mapping will be calculated | |
9745 | * and the phba->sli4_hba.cpu_map array will reflect this. | |
7bb03bbf | 9746 | */ |
895427bd JS |
9747 | static void |
9748 | lpfc_cpu_affinity_check(struct lpfc_hba *phba, int vectors) | |
7bb03bbf JS |
9749 | { |
9750 | struct lpfc_vector_map_info *cpup; | |
895427bd JS |
9751 | int index = 0; |
9752 | int vec = 0; | |
7bb03bbf | 9753 | int cpu; |
7bb03bbf JS |
9754 | #ifdef CONFIG_X86 |
9755 | struct cpuinfo_x86 *cpuinfo; | |
9756 | #endif | |
7bb03bbf JS |
9757 | |
9758 | /* Init cpu_map array */ | |
9759 | memset(phba->sli4_hba.cpu_map, 0xff, | |
9760 | (sizeof(struct lpfc_vector_map_info) * | |
895427bd | 9761 | phba->sli4_hba.num_present_cpu)); |
7bb03bbf JS |
9762 | |
9763 | /* Update CPU map with physical id and core id of each CPU */ | |
9764 | cpup = phba->sli4_hba.cpu_map; | |
9765 | for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) { | |
9766 | #ifdef CONFIG_X86 | |
9767 | cpuinfo = &cpu_data(cpu); | |
9768 | cpup->phys_id = cpuinfo->phys_proc_id; | |
9769 | cpup->core_id = cpuinfo->cpu_core_id; | |
9770 | #else | |
9771 | /* No distinction between CPUs for other platforms */ | |
9772 | cpup->phys_id = 0; | |
9773 | cpup->core_id = 0; | |
9774 | #endif | |
895427bd JS |
9775 | cpup->channel_id = index; /* For now round robin */ |
9776 | cpup->irq = pci_irq_vector(phba->pcidev, vec); | |
9777 | vec++; | |
9778 | if (vec >= vectors) | |
9779 | vec = 0; | |
9780 | index++; | |
9781 | if (index >= phba->cfg_fcp_io_channel) | |
9782 | index = 0; | |
7bb03bbf JS |
9783 | cpup++; |
9784 | } | |
7bb03bbf JS |
9785 | } |
9786 | ||
9787 | ||
da0436e9 JS |
9788 | /** |
9789 | * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device | |
9790 | * @phba: pointer to lpfc hba data structure. | |
9791 | * | |
9792 | * This routine is invoked to enable the MSI-X interrupt vectors to device | |
45ffac19 | 9793 | * with SLI-4 interface spec. |
da0436e9 JS |
9794 | * |
9795 | * Return codes | |
af901ca1 | 9796 | * 0 - successful |
da0436e9 JS |
9797 | * other values - error |
9798 | **/ | |
9799 | static int | |
9800 | lpfc_sli4_enable_msix(struct lpfc_hba *phba) | |
9801 | { | |
75baf696 | 9802 | int vectors, rc, index; |
b83d005e | 9803 | char *name; |
da0436e9 JS |
9804 | |
9805 | /* Set up MSI-X multi-message vectors */ | |
895427bd | 9806 | vectors = phba->io_channel_irqs; |
45ffac19 | 9807 | if (phba->cfg_fof) |
1ba981fd | 9808 | vectors++; |
45ffac19 | 9809 | |
f358dd0c JS |
9810 | rc = pci_alloc_irq_vectors(phba->pcidev, |
9811 | (phba->nvmet_support) ? 1 : 2, | |
9812 | vectors, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY); | |
4f871e1b | 9813 | if (rc < 0) { |
da0436e9 JS |
9814 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
9815 | "0484 PCI enable MSI-X failed (%d)\n", rc); | |
029165ac | 9816 | goto vec_fail_out; |
da0436e9 | 9817 | } |
4f871e1b | 9818 | vectors = rc; |
75baf696 | 9819 | |
7bb03bbf | 9820 | /* Assign MSI-X vectors to interrupt handlers */ |
67d12733 | 9821 | for (index = 0; index < vectors; index++) { |
b83d005e JS |
9822 | name = phba->sli4_hba.hba_eq_hdl[index].handler_name; |
9823 | memset(name, 0, LPFC_SLI4_HANDLER_NAME_SZ); | |
9824 | snprintf(name, LPFC_SLI4_HANDLER_NAME_SZ, | |
4305f183 | 9825 | LPFC_DRIVER_HANDLER_NAME"%d", index); |
da0436e9 | 9826 | |
895427bd JS |
9827 | phba->sli4_hba.hba_eq_hdl[index].idx = index; |
9828 | phba->sli4_hba.hba_eq_hdl[index].phba = phba; | |
9829 | atomic_set(&phba->sli4_hba.hba_eq_hdl[index].hba_eq_in_use, 1); | |
1ba981fd | 9830 | if (phba->cfg_fof && (index == (vectors - 1))) |
45ffac19 | 9831 | rc = request_irq(pci_irq_vector(phba->pcidev, index), |
ed243d37 | 9832 | &lpfc_sli4_fof_intr_handler, 0, |
b83d005e | 9833 | name, |
895427bd | 9834 | &phba->sli4_hba.hba_eq_hdl[index]); |
1ba981fd | 9835 | else |
45ffac19 | 9836 | rc = request_irq(pci_irq_vector(phba->pcidev, index), |
ed243d37 | 9837 | &lpfc_sli4_hba_intr_handler, 0, |
b83d005e | 9838 | name, |
895427bd | 9839 | &phba->sli4_hba.hba_eq_hdl[index]); |
da0436e9 JS |
9840 | if (rc) { |
9841 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
9842 | "0486 MSI-X fast-path (%d) " | |
9843 | "request_irq failed (%d)\n", index, rc); | |
9844 | goto cfg_fail_out; | |
9845 | } | |
9846 | } | |
9847 | ||
1ba981fd JS |
9848 | if (phba->cfg_fof) |
9849 | vectors--; | |
9850 | ||
895427bd | 9851 | if (vectors != phba->io_channel_irqs) { |
82c3e9ba JS |
9852 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
9853 | "3238 Reducing IO channels to match number of " | |
9854 | "MSI-X vectors, requested %d got %d\n", | |
895427bd JS |
9855 | phba->io_channel_irqs, vectors); |
9856 | if (phba->cfg_fcp_io_channel > vectors) | |
9857 | phba->cfg_fcp_io_channel = vectors; | |
9858 | if (phba->cfg_nvme_io_channel > vectors) | |
9859 | phba->cfg_nvme_io_channel = vectors; | |
9860 | if (phba->cfg_fcp_io_channel > phba->cfg_nvme_io_channel) | |
9861 | phba->io_channel_irqs = phba->cfg_fcp_io_channel; | |
9862 | else | |
9863 | phba->io_channel_irqs = phba->cfg_nvme_io_channel; | |
82c3e9ba | 9864 | } |
895427bd | 9865 | lpfc_cpu_affinity_check(phba, vectors); |
7bb03bbf | 9866 | |
da0436e9 JS |
9867 | return rc; |
9868 | ||
9869 | cfg_fail_out: | |
9870 | /* free the irq already requested */ | |
895427bd JS |
9871 | for (--index; index >= 0; index--) |
9872 | free_irq(pci_irq_vector(phba->pcidev, index), | |
9873 | &phba->sli4_hba.hba_eq_hdl[index]); | |
da0436e9 | 9874 | |
da0436e9 | 9875 | /* Unconfigure MSI-X capability structure */ |
45ffac19 | 9876 | pci_free_irq_vectors(phba->pcidev); |
029165ac AG |
9877 | |
9878 | vec_fail_out: | |
da0436e9 JS |
9879 | return rc; |
9880 | } | |
9881 | ||
da0436e9 JS |
9882 | /** |
9883 | * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device | |
9884 | * @phba: pointer to lpfc hba data structure. | |
9885 | * | |
9886 | * This routine is invoked to enable the MSI interrupt mode to device with | |
9887 | * SLI-4 interface spec. The kernel function pci_enable_msi() is called | |
9888 | * to enable the MSI vector. The device driver is responsible for calling | |
9889 | * the request_irq() to register MSI vector with a interrupt the handler, | |
9890 | * which is done in this function. | |
9891 | * | |
9892 | * Return codes | |
af901ca1 | 9893 | * 0 - successful |
da0436e9 JS |
9894 | * other values - error |
9895 | **/ | |
9896 | static int | |
9897 | lpfc_sli4_enable_msi(struct lpfc_hba *phba) | |
9898 | { | |
9899 | int rc, index; | |
9900 | ||
9901 | rc = pci_enable_msi(phba->pcidev); | |
9902 | if (!rc) | |
9903 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
9904 | "0487 PCI enable MSI mode success.\n"); | |
9905 | else { | |
9906 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
9907 | "0488 PCI enable MSI mode failed (%d)\n", rc); | |
9908 | return rc; | |
9909 | } | |
9910 | ||
9911 | rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler, | |
ed243d37 | 9912 | 0, LPFC_DRIVER_NAME, phba); |
da0436e9 JS |
9913 | if (rc) { |
9914 | pci_disable_msi(phba->pcidev); | |
9915 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
9916 | "0490 MSI request_irq failed (%d)\n", rc); | |
75baf696 | 9917 | return rc; |
da0436e9 JS |
9918 | } |
9919 | ||
895427bd JS |
9920 | for (index = 0; index < phba->io_channel_irqs; index++) { |
9921 | phba->sli4_hba.hba_eq_hdl[index].idx = index; | |
9922 | phba->sli4_hba.hba_eq_hdl[index].phba = phba; | |
da0436e9 JS |
9923 | } |
9924 | ||
1ba981fd | 9925 | if (phba->cfg_fof) { |
895427bd JS |
9926 | phba->sli4_hba.hba_eq_hdl[index].idx = index; |
9927 | phba->sli4_hba.hba_eq_hdl[index].phba = phba; | |
1ba981fd | 9928 | } |
75baf696 | 9929 | return 0; |
da0436e9 JS |
9930 | } |
9931 | ||
da0436e9 JS |
9932 | /** |
9933 | * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device | |
9934 | * @phba: pointer to lpfc hba data structure. | |
9935 | * | |
9936 | * This routine is invoked to enable device interrupt and associate driver's | |
9937 | * interrupt handler(s) to interrupt vector(s) to device with SLI-4 | |
9938 | * interface spec. Depends on the interrupt mode configured to the driver, | |
9939 | * the driver will try to fallback from the configured interrupt mode to an | |
9940 | * interrupt mode which is supported by the platform, kernel, and device in | |
9941 | * the order of: | |
9942 | * MSI-X -> MSI -> IRQ. | |
9943 | * | |
9944 | * Return codes | |
af901ca1 | 9945 | * 0 - successful |
da0436e9 JS |
9946 | * other values - error |
9947 | **/ | |
9948 | static uint32_t | |
9949 | lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) | |
9950 | { | |
9951 | uint32_t intr_mode = LPFC_INTR_ERROR; | |
895427bd | 9952 | int retval, idx; |
da0436e9 JS |
9953 | |
9954 | if (cfg_mode == 2) { | |
9955 | /* Preparation before conf_msi mbox cmd */ | |
9956 | retval = 0; | |
9957 | if (!retval) { | |
9958 | /* Now, try to enable MSI-X interrupt mode */ | |
9959 | retval = lpfc_sli4_enable_msix(phba); | |
9960 | if (!retval) { | |
9961 | /* Indicate initialization to MSI-X mode */ | |
9962 | phba->intr_type = MSIX; | |
9963 | intr_mode = 2; | |
9964 | } | |
9965 | } | |
9966 | } | |
9967 | ||
9968 | /* Fallback to MSI if MSI-X initialization failed */ | |
9969 | if (cfg_mode >= 1 && phba->intr_type == NONE) { | |
9970 | retval = lpfc_sli4_enable_msi(phba); | |
9971 | if (!retval) { | |
9972 | /* Indicate initialization to MSI mode */ | |
9973 | phba->intr_type = MSI; | |
9974 | intr_mode = 1; | |
9975 | } | |
9976 | } | |
9977 | ||
9978 | /* Fallback to INTx if both MSI-X/MSI initalization failed */ | |
9979 | if (phba->intr_type == NONE) { | |
9980 | retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler, | |
9981 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
9982 | if (!retval) { | |
895427bd JS |
9983 | struct lpfc_hba_eq_hdl *eqhdl; |
9984 | ||
da0436e9 JS |
9985 | /* Indicate initialization to INTx mode */ |
9986 | phba->intr_type = INTx; | |
9987 | intr_mode = 0; | |
895427bd JS |
9988 | |
9989 | for (idx = 0; idx < phba->io_channel_irqs; idx++) { | |
9990 | eqhdl = &phba->sli4_hba.hba_eq_hdl[idx]; | |
9991 | eqhdl->idx = idx; | |
9992 | eqhdl->phba = phba; | |
9993 | atomic_set(&eqhdl->hba_eq_in_use, 1); | |
da0436e9 | 9994 | } |
1ba981fd | 9995 | if (phba->cfg_fof) { |
895427bd JS |
9996 | eqhdl = &phba->sli4_hba.hba_eq_hdl[idx]; |
9997 | eqhdl->idx = idx; | |
9998 | eqhdl->phba = phba; | |
9999 | atomic_set(&eqhdl->hba_eq_in_use, 1); | |
1ba981fd | 10000 | } |
da0436e9 JS |
10001 | } |
10002 | } | |
10003 | return intr_mode; | |
10004 | } | |
10005 | ||
10006 | /** | |
10007 | * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device | |
10008 | * @phba: pointer to lpfc hba data structure. | |
10009 | * | |
10010 | * This routine is invoked to disable device interrupt and disassociate | |
10011 | * the driver's interrupt handler(s) from interrupt vector(s) to device | |
10012 | * with SLI-4 interface spec. Depending on the interrupt mode, the driver | |
10013 | * will release the interrupt vector(s) for the message signaled interrupt. | |
10014 | **/ | |
10015 | static void | |
10016 | lpfc_sli4_disable_intr(struct lpfc_hba *phba) | |
10017 | { | |
10018 | /* Disable the currently initialized interrupt mode */ | |
45ffac19 CH |
10019 | if (phba->intr_type == MSIX) { |
10020 | int index; | |
10021 | ||
10022 | /* Free up MSI-X multi-message vectors */ | |
895427bd JS |
10023 | for (index = 0; index < phba->io_channel_irqs; index++) |
10024 | free_irq(pci_irq_vector(phba->pcidev, index), | |
10025 | &phba->sli4_hba.hba_eq_hdl[index]); | |
45ffac19 CH |
10026 | |
10027 | if (phba->cfg_fof) | |
895427bd JS |
10028 | free_irq(pci_irq_vector(phba->pcidev, index), |
10029 | &phba->sli4_hba.hba_eq_hdl[index]); | |
45ffac19 | 10030 | } else { |
da0436e9 | 10031 | free_irq(phba->pcidev->irq, phba); |
45ffac19 CH |
10032 | } |
10033 | ||
10034 | pci_free_irq_vectors(phba->pcidev); | |
da0436e9 JS |
10035 | |
10036 | /* Reset interrupt management states */ | |
10037 | phba->intr_type = NONE; | |
10038 | phba->sli.slistat.sli_intr = 0; | |
da0436e9 JS |
10039 | } |
10040 | ||
10041 | /** | |
10042 | * lpfc_unset_hba - Unset SLI3 hba device initialization | |
10043 | * @phba: pointer to lpfc hba data structure. | |
10044 | * | |
10045 | * This routine is invoked to unset the HBA device initialization steps to | |
10046 | * a device with SLI-3 interface spec. | |
10047 | **/ | |
10048 | static void | |
10049 | lpfc_unset_hba(struct lpfc_hba *phba) | |
10050 | { | |
10051 | struct lpfc_vport *vport = phba->pport; | |
10052 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
10053 | ||
10054 | spin_lock_irq(shost->host_lock); | |
10055 | vport->load_flag |= FC_UNLOADING; | |
10056 | spin_unlock_irq(shost->host_lock); | |
10057 | ||
72859909 JS |
10058 | kfree(phba->vpi_bmask); |
10059 | kfree(phba->vpi_ids); | |
10060 | ||
da0436e9 JS |
10061 | lpfc_stop_hba_timers(phba); |
10062 | ||
10063 | phba->pport->work_port_events = 0; | |
10064 | ||
10065 | lpfc_sli_hba_down(phba); | |
10066 | ||
10067 | lpfc_sli_brdrestart(phba); | |
10068 | ||
10069 | lpfc_sli_disable_intr(phba); | |
10070 | ||
10071 | return; | |
10072 | } | |
10073 | ||
5af5eee7 JS |
10074 | /** |
10075 | * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy | |
10076 | * @phba: Pointer to HBA context object. | |
10077 | * | |
10078 | * This function is called in the SLI4 code path to wait for completion | |
10079 | * of device's XRIs exchange busy. It will check the XRI exchange busy | |
10080 | * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after | |
10081 | * that, it will check the XRI exchange busy on outstanding FCP and ELS | |
10082 | * I/Os every 30 seconds, log error message, and wait forever. Only when | |
10083 | * all XRI exchange busy complete, the driver unload shall proceed with | |
10084 | * invoking the function reset ioctl mailbox command to the CNA and the | |
10085 | * the rest of the driver unload resource release. | |
10086 | **/ | |
10087 | static void | |
10088 | lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba) | |
10089 | { | |
10090 | int wait_time = 0; | |
895427bd | 10091 | int nvme_xri_cmpl = 1; |
86c67379 | 10092 | int nvmet_xri_cmpl = 1; |
895427bd | 10093 | int fcp_xri_cmpl = 1; |
5af5eee7 JS |
10094 | int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list); |
10095 | ||
895427bd JS |
10096 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) |
10097 | fcp_xri_cmpl = | |
10098 | list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list); | |
86c67379 | 10099 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { |
895427bd JS |
10100 | nvme_xri_cmpl = |
10101 | list_empty(&phba->sli4_hba.lpfc_abts_nvme_buf_list); | |
86c67379 JS |
10102 | nvmet_xri_cmpl = |
10103 | list_empty(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list); | |
10104 | } | |
895427bd | 10105 | |
f358dd0c JS |
10106 | while (!fcp_xri_cmpl || !els_xri_cmpl || !nvme_xri_cmpl || |
10107 | !nvmet_xri_cmpl) { | |
5af5eee7 | 10108 | if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) { |
895427bd JS |
10109 | if (!nvme_xri_cmpl) |
10110 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10111 | "6100 NVME XRI exchange busy " | |
10112 | "wait time: %d seconds.\n", | |
10113 | wait_time/1000); | |
5af5eee7 JS |
10114 | if (!fcp_xri_cmpl) |
10115 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10116 | "2877 FCP XRI exchange busy " | |
10117 | "wait time: %d seconds.\n", | |
10118 | wait_time/1000); | |
10119 | if (!els_xri_cmpl) | |
10120 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10121 | "2878 ELS XRI exchange busy " | |
10122 | "wait time: %d seconds.\n", | |
10123 | wait_time/1000); | |
10124 | msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2); | |
10125 | wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2; | |
10126 | } else { | |
10127 | msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1); | |
10128 | wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1; | |
10129 | } | |
86c67379 | 10130 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { |
895427bd JS |
10131 | nvme_xri_cmpl = list_empty( |
10132 | &phba->sli4_hba.lpfc_abts_nvme_buf_list); | |
86c67379 JS |
10133 | nvmet_xri_cmpl = list_empty( |
10134 | &phba->sli4_hba.lpfc_abts_nvmet_ctx_list); | |
10135 | } | |
895427bd JS |
10136 | |
10137 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) | |
10138 | fcp_xri_cmpl = list_empty( | |
10139 | &phba->sli4_hba.lpfc_abts_scsi_buf_list); | |
10140 | ||
5af5eee7 JS |
10141 | els_xri_cmpl = |
10142 | list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list); | |
f358dd0c | 10143 | |
5af5eee7 JS |
10144 | } |
10145 | } | |
10146 | ||
da0436e9 JS |
10147 | /** |
10148 | * lpfc_sli4_hba_unset - Unset the fcoe hba | |
10149 | * @phba: Pointer to HBA context object. | |
10150 | * | |
10151 | * This function is called in the SLI4 code path to reset the HBA's FCoE | |
10152 | * function. The caller is not required to hold any lock. This routine | |
10153 | * issues PCI function reset mailbox command to reset the FCoE function. | |
10154 | * At the end of the function, it calls lpfc_hba_down_post function to | |
10155 | * free any pending commands. | |
10156 | **/ | |
10157 | static void | |
10158 | lpfc_sli4_hba_unset(struct lpfc_hba *phba) | |
10159 | { | |
10160 | int wait_cnt = 0; | |
10161 | LPFC_MBOXQ_t *mboxq; | |
912e3acd | 10162 | struct pci_dev *pdev = phba->pcidev; |
da0436e9 JS |
10163 | |
10164 | lpfc_stop_hba_timers(phba); | |
10165 | phba->sli4_hba.intr_enable = 0; | |
10166 | ||
10167 | /* | |
10168 | * Gracefully wait out the potential current outstanding asynchronous | |
10169 | * mailbox command. | |
10170 | */ | |
10171 | ||
10172 | /* First, block any pending async mailbox command from posted */ | |
10173 | spin_lock_irq(&phba->hbalock); | |
10174 | phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; | |
10175 | spin_unlock_irq(&phba->hbalock); | |
10176 | /* Now, trying to wait it out if we can */ | |
10177 | while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
10178 | msleep(10); | |
10179 | if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT) | |
10180 | break; | |
10181 | } | |
10182 | /* Forcefully release the outstanding mailbox command if timed out */ | |
10183 | if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
10184 | spin_lock_irq(&phba->hbalock); | |
10185 | mboxq = phba->sli.mbox_active; | |
10186 | mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED; | |
10187 | __lpfc_mbox_cmpl_put(phba, mboxq); | |
10188 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
10189 | phba->sli.mbox_active = NULL; | |
10190 | spin_unlock_irq(&phba->hbalock); | |
10191 | } | |
10192 | ||
5af5eee7 JS |
10193 | /* Abort all iocbs associated with the hba */ |
10194 | lpfc_sli_hba_iocb_abort(phba); | |
10195 | ||
10196 | /* Wait for completion of device XRI exchange busy */ | |
10197 | lpfc_sli4_xri_exchange_busy_wait(phba); | |
10198 | ||
da0436e9 JS |
10199 | /* Disable PCI subsystem interrupt */ |
10200 | lpfc_sli4_disable_intr(phba); | |
10201 | ||
912e3acd JS |
10202 | /* Disable SR-IOV if enabled */ |
10203 | if (phba->cfg_sriov_nr_virtfn) | |
10204 | pci_disable_sriov(pdev); | |
10205 | ||
da0436e9 JS |
10206 | /* Stop kthread signal shall trigger work_done one more time */ |
10207 | kthread_stop(phba->worker_thread); | |
10208 | ||
d1f525aa JS |
10209 | /* Unset the queues shared with the hardware then release all |
10210 | * allocated resources. | |
10211 | */ | |
10212 | lpfc_sli4_queue_unset(phba); | |
10213 | lpfc_sli4_queue_destroy(phba); | |
10214 | ||
3677a3a7 JS |
10215 | /* Reset SLI4 HBA FCoE function */ |
10216 | lpfc_pci_function_reset(phba); | |
10217 | ||
da0436e9 JS |
10218 | /* Stop the SLI4 device port */ |
10219 | phba->pport->work_port_events = 0; | |
10220 | } | |
10221 | ||
28baac74 JS |
10222 | /** |
10223 | * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities. | |
10224 | * @phba: Pointer to HBA context object. | |
10225 | * @mboxq: Pointer to the mailboxq memory for the mailbox command response. | |
10226 | * | |
10227 | * This function is called in the SLI4 code path to read the port's | |
10228 | * sli4 capabilities. | |
10229 | * | |
10230 | * This function may be be called from any context that can block-wait | |
10231 | * for the completion. The expectation is that this routine is called | |
10232 | * typically from probe_one or from the online routine. | |
10233 | **/ | |
10234 | int | |
10235 | lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
10236 | { | |
10237 | int rc; | |
10238 | struct lpfc_mqe *mqe; | |
10239 | struct lpfc_pc_sli4_params *sli4_params; | |
10240 | uint32_t mbox_tmo; | |
10241 | ||
10242 | rc = 0; | |
10243 | mqe = &mboxq->u.mqe; | |
10244 | ||
10245 | /* Read the port's SLI4 Parameters port capabilities */ | |
fedd3b7b | 10246 | lpfc_pc_sli4_params(mboxq); |
28baac74 JS |
10247 | if (!phba->sli4_hba.intr_enable) |
10248 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
10249 | else { | |
a183a15f | 10250 | mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); |
28baac74 JS |
10251 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); |
10252 | } | |
10253 | ||
10254 | if (unlikely(rc)) | |
10255 | return 1; | |
10256 | ||
10257 | sli4_params = &phba->sli4_hba.pc_sli4_params; | |
10258 | sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params); | |
10259 | sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params); | |
10260 | sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params); | |
10261 | sli4_params->featurelevel_1 = bf_get(featurelevel_1, | |
10262 | &mqe->un.sli4_params); | |
10263 | sli4_params->featurelevel_2 = bf_get(featurelevel_2, | |
10264 | &mqe->un.sli4_params); | |
10265 | sli4_params->proto_types = mqe->un.sli4_params.word3; | |
10266 | sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len; | |
10267 | sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params); | |
10268 | sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params); | |
10269 | sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params); | |
10270 | sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params); | |
10271 | sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params); | |
10272 | sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params); | |
10273 | sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params); | |
10274 | sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params); | |
10275 | sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params); | |
10276 | sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params); | |
10277 | sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params); | |
10278 | sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params); | |
10279 | sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params); | |
10280 | sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params); | |
10281 | sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params); | |
10282 | sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params); | |
10283 | sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params); | |
10284 | sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params); | |
10285 | sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params); | |
0558056c JS |
10286 | |
10287 | /* Make sure that sge_supp_len can be handled by the driver */ | |
10288 | if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE) | |
10289 | sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE; | |
10290 | ||
28baac74 JS |
10291 | return rc; |
10292 | } | |
10293 | ||
fedd3b7b JS |
10294 | /** |
10295 | * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS. | |
10296 | * @phba: Pointer to HBA context object. | |
10297 | * @mboxq: Pointer to the mailboxq memory for the mailbox command response. | |
10298 | * | |
10299 | * This function is called in the SLI4 code path to read the port's | |
10300 | * sli4 capabilities. | |
10301 | * | |
10302 | * This function may be be called from any context that can block-wait | |
10303 | * for the completion. The expectation is that this routine is called | |
10304 | * typically from probe_one or from the online routine. | |
10305 | **/ | |
10306 | int | |
10307 | lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
10308 | { | |
10309 | int rc; | |
10310 | struct lpfc_mqe *mqe = &mboxq->u.mqe; | |
10311 | struct lpfc_pc_sli4_params *sli4_params; | |
a183a15f | 10312 | uint32_t mbox_tmo; |
fedd3b7b JS |
10313 | int length; |
10314 | struct lpfc_sli4_parameters *mbx_sli4_parameters; | |
10315 | ||
6d368e53 JS |
10316 | /* |
10317 | * By default, the driver assumes the SLI4 port requires RPI | |
10318 | * header postings. The SLI4_PARAM response will correct this | |
10319 | * assumption. | |
10320 | */ | |
10321 | phba->sli4_hba.rpi_hdrs_in_use = 1; | |
10322 | ||
fedd3b7b JS |
10323 | /* Read the port's SLI4 Config Parameters */ |
10324 | length = (sizeof(struct lpfc_mbx_get_sli4_parameters) - | |
10325 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
10326 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
10327 | LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS, | |
10328 | length, LPFC_SLI4_MBX_EMBED); | |
10329 | if (!phba->sli4_hba.intr_enable) | |
10330 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
a183a15f JS |
10331 | else { |
10332 | mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); | |
10333 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); | |
10334 | } | |
fedd3b7b JS |
10335 | if (unlikely(rc)) |
10336 | return rc; | |
10337 | sli4_params = &phba->sli4_hba.pc_sli4_params; | |
10338 | mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters; | |
10339 | sli4_params->if_type = bf_get(cfg_if_type, mbx_sli4_parameters); | |
10340 | sli4_params->sli_rev = bf_get(cfg_sli_rev, mbx_sli4_parameters); | |
10341 | sli4_params->sli_family = bf_get(cfg_sli_family, mbx_sli4_parameters); | |
10342 | sli4_params->featurelevel_1 = bf_get(cfg_sli_hint_1, | |
10343 | mbx_sli4_parameters); | |
10344 | sli4_params->featurelevel_2 = bf_get(cfg_sli_hint_2, | |
10345 | mbx_sli4_parameters); | |
10346 | if (bf_get(cfg_phwq, mbx_sli4_parameters)) | |
10347 | phba->sli3_options |= LPFC_SLI4_PHWQ_ENABLED; | |
10348 | else | |
10349 | phba->sli3_options &= ~LPFC_SLI4_PHWQ_ENABLED; | |
10350 | sli4_params->sge_supp_len = mbx_sli4_parameters->sge_supp_len; | |
10351 | sli4_params->loopbk_scope = bf_get(loopbk_scope, mbx_sli4_parameters); | |
1ba981fd | 10352 | sli4_params->oas_supported = bf_get(cfg_oas, mbx_sli4_parameters); |
fedd3b7b JS |
10353 | sli4_params->cqv = bf_get(cfg_cqv, mbx_sli4_parameters); |
10354 | sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters); | |
10355 | sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters); | |
10356 | sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters); | |
0c651878 | 10357 | sli4_params->wqsize = bf_get(cfg_wqsize, mbx_sli4_parameters); |
fedd3b7b JS |
10358 | sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt, |
10359 | mbx_sli4_parameters); | |
895427bd | 10360 | sli4_params->wqpcnt = bf_get(cfg_wqpcnt, mbx_sli4_parameters); |
fedd3b7b JS |
10361 | sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align, |
10362 | mbx_sli4_parameters); | |
6d368e53 JS |
10363 | phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters); |
10364 | phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters); | |
895427bd JS |
10365 | phba->nvme_support = (bf_get(cfg_nvme, mbx_sli4_parameters) && |
10366 | bf_get(cfg_xib, mbx_sli4_parameters)); | |
10367 | ||
10368 | if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP) || | |
10369 | !phba->nvme_support) { | |
10370 | phba->nvme_support = 0; | |
10371 | phba->nvmet_support = 0; | |
2d7dbc4c | 10372 | phba->cfg_nvmet_mrq = 0; |
895427bd JS |
10373 | phba->cfg_nvme_io_channel = 0; |
10374 | phba->io_channel_irqs = phba->cfg_fcp_io_channel; | |
10375 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_NVME, | |
10376 | "6101 Disabling NVME support: " | |
10377 | "Not supported by firmware: %d %d\n", | |
10378 | bf_get(cfg_nvme, mbx_sli4_parameters), | |
10379 | bf_get(cfg_xib, mbx_sli4_parameters)); | |
10380 | ||
10381 | /* If firmware doesn't support NVME, just use SCSI support */ | |
10382 | if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP)) | |
10383 | return -ENODEV; | |
10384 | phba->cfg_enable_fc4_type = LPFC_ENABLE_FCP; | |
10385 | } | |
0558056c | 10386 | |
f358dd0c JS |
10387 | if (bf_get(cfg_xib, mbx_sli4_parameters) && phba->cfg_suppress_rsp) |
10388 | phba->sli.sli_flag |= LPFC_SLI_SUPPRESS_RSP; | |
10389 | ||
0cf07f84 JS |
10390 | if (bf_get(cfg_eqdr, mbx_sli4_parameters)) |
10391 | phba->sli.sli_flag |= LPFC_SLI_USE_EQDR; | |
10392 | ||
0558056c JS |
10393 | /* Make sure that sge_supp_len can be handled by the driver */ |
10394 | if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE) | |
10395 | sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE; | |
10396 | ||
b5c53958 JS |
10397 | /* |
10398 | * Issue IOs with CDB embedded in WQE to minimized the number | |
10399 | * of DMAs the firmware has to do. Setting this to 1 also forces | |
10400 | * the driver to use 128 bytes WQEs for FCP IOs. | |
10401 | */ | |
10402 | if (bf_get(cfg_ext_embed_cb, mbx_sli4_parameters)) | |
10403 | phba->fcp_embed_io = 1; | |
10404 | else | |
10405 | phba->fcp_embed_io = 0; | |
7bdedb34 JS |
10406 | |
10407 | /* | |
10408 | * Check if the SLI port supports MDS Diagnostics | |
10409 | */ | |
10410 | if (bf_get(cfg_mds_diags, mbx_sli4_parameters)) | |
10411 | phba->mds_diags_support = 1; | |
10412 | else | |
10413 | phba->mds_diags_support = 0; | |
fedd3b7b JS |
10414 | return 0; |
10415 | } | |
10416 | ||
da0436e9 JS |
10417 | /** |
10418 | * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem. | |
10419 | * @pdev: pointer to PCI device | |
10420 | * @pid: pointer to PCI device identifier | |
10421 | * | |
10422 | * This routine is to be called to attach a device with SLI-3 interface spec | |
10423 | * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is | |
10424 | * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific | |
10425 | * information of the device and driver to see if the driver state that it can | |
10426 | * support this kind of device. If the match is successful, the driver core | |
10427 | * invokes this routine. If this routine determines it can claim the HBA, it | |
10428 | * does all the initialization that it needs to do to handle the HBA properly. | |
10429 | * | |
10430 | * Return code | |
10431 | * 0 - driver can claim the device | |
10432 | * negative value - driver can not claim the device | |
10433 | **/ | |
6f039790 | 10434 | static int |
da0436e9 JS |
10435 | lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid) |
10436 | { | |
10437 | struct lpfc_hba *phba; | |
10438 | struct lpfc_vport *vport = NULL; | |
6669f9bb | 10439 | struct Scsi_Host *shost = NULL; |
da0436e9 JS |
10440 | int error; |
10441 | uint32_t cfg_mode, intr_mode; | |
10442 | ||
10443 | /* Allocate memory for HBA structure */ | |
10444 | phba = lpfc_hba_alloc(pdev); | |
10445 | if (!phba) | |
10446 | return -ENOMEM; | |
10447 | ||
10448 | /* Perform generic PCI device enabling operation */ | |
10449 | error = lpfc_enable_pci_dev(phba); | |
079b5c91 | 10450 | if (error) |
da0436e9 | 10451 | goto out_free_phba; |
da0436e9 JS |
10452 | |
10453 | /* Set up SLI API function jump table for PCI-device group-0 HBAs */ | |
10454 | error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP); | |
10455 | if (error) | |
10456 | goto out_disable_pci_dev; | |
10457 | ||
10458 | /* Set up SLI-3 specific device PCI memory space */ | |
10459 | error = lpfc_sli_pci_mem_setup(phba); | |
10460 | if (error) { | |
10461 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10462 | "1402 Failed to set up pci memory space.\n"); | |
10463 | goto out_disable_pci_dev; | |
10464 | } | |
10465 | ||
da0436e9 JS |
10466 | /* Set up SLI-3 specific device driver resources */ |
10467 | error = lpfc_sli_driver_resource_setup(phba); | |
10468 | if (error) { | |
10469 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10470 | "1404 Failed to set up driver resource.\n"); | |
10471 | goto out_unset_pci_mem_s3; | |
10472 | } | |
10473 | ||
10474 | /* Initialize and populate the iocb list per host */ | |
d1f525aa | 10475 | |
da0436e9 JS |
10476 | error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT); |
10477 | if (error) { | |
10478 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10479 | "1405 Failed to initialize iocb list.\n"); | |
10480 | goto out_unset_driver_resource_s3; | |
10481 | } | |
10482 | ||
10483 | /* Set up common device driver resources */ | |
10484 | error = lpfc_setup_driver_resource_phase2(phba); | |
10485 | if (error) { | |
10486 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10487 | "1406 Failed to set up driver resource.\n"); | |
10488 | goto out_free_iocb_list; | |
10489 | } | |
10490 | ||
079b5c91 JS |
10491 | /* Get the default values for Model Name and Description */ |
10492 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
10493 | ||
da0436e9 JS |
10494 | /* Create SCSI host to the physical port */ |
10495 | error = lpfc_create_shost(phba); | |
10496 | if (error) { | |
10497 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10498 | "1407 Failed to create scsi host.\n"); | |
10499 | goto out_unset_driver_resource; | |
10500 | } | |
10501 | ||
10502 | /* Configure sysfs attributes */ | |
10503 | vport = phba->pport; | |
10504 | error = lpfc_alloc_sysfs_attr(vport); | |
10505 | if (error) { | |
10506 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10507 | "1476 Failed to allocate sysfs attr\n"); | |
10508 | goto out_destroy_shost; | |
10509 | } | |
10510 | ||
6669f9bb | 10511 | shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */ |
da0436e9 JS |
10512 | /* Now, trying to enable interrupt and bring up the device */ |
10513 | cfg_mode = phba->cfg_use_msi; | |
10514 | while (true) { | |
10515 | /* Put device to a known state before enabling interrupt */ | |
10516 | lpfc_stop_port(phba); | |
10517 | /* Configure and enable interrupt */ | |
10518 | intr_mode = lpfc_sli_enable_intr(phba, cfg_mode); | |
10519 | if (intr_mode == LPFC_INTR_ERROR) { | |
10520 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10521 | "0431 Failed to enable interrupt.\n"); | |
10522 | error = -ENODEV; | |
10523 | goto out_free_sysfs_attr; | |
10524 | } | |
10525 | /* SLI-3 HBA setup */ | |
10526 | if (lpfc_sli_hba_setup(phba)) { | |
10527 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10528 | "1477 Failed to set up hba\n"); | |
10529 | error = -ENODEV; | |
10530 | goto out_remove_device; | |
10531 | } | |
10532 | ||
10533 | /* Wait 50ms for the interrupts of previous mailbox commands */ | |
10534 | msleep(50); | |
10535 | /* Check active interrupts on message signaled interrupts */ | |
10536 | if (intr_mode == 0 || | |
10537 | phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) { | |
10538 | /* Log the current active interrupt mode */ | |
10539 | phba->intr_mode = intr_mode; | |
10540 | lpfc_log_intr_mode(phba, intr_mode); | |
10541 | break; | |
10542 | } else { | |
10543 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
10544 | "0447 Configure interrupt mode (%d) " | |
10545 | "failed active interrupt test.\n", | |
10546 | intr_mode); | |
10547 | /* Disable the current interrupt mode */ | |
10548 | lpfc_sli_disable_intr(phba); | |
10549 | /* Try next level of interrupt mode */ | |
10550 | cfg_mode = --intr_mode; | |
10551 | } | |
10552 | } | |
10553 | ||
10554 | /* Perform post initialization setup */ | |
10555 | lpfc_post_init_setup(phba); | |
10556 | ||
10557 | /* Check if there are static vports to be created. */ | |
10558 | lpfc_create_static_vport(phba); | |
10559 | ||
10560 | return 0; | |
10561 | ||
10562 | out_remove_device: | |
10563 | lpfc_unset_hba(phba); | |
10564 | out_free_sysfs_attr: | |
10565 | lpfc_free_sysfs_attr(vport); | |
10566 | out_destroy_shost: | |
10567 | lpfc_destroy_shost(phba); | |
10568 | out_unset_driver_resource: | |
10569 | lpfc_unset_driver_resource_phase2(phba); | |
10570 | out_free_iocb_list: | |
10571 | lpfc_free_iocb_list(phba); | |
10572 | out_unset_driver_resource_s3: | |
10573 | lpfc_sli_driver_resource_unset(phba); | |
10574 | out_unset_pci_mem_s3: | |
10575 | lpfc_sli_pci_mem_unset(phba); | |
10576 | out_disable_pci_dev: | |
10577 | lpfc_disable_pci_dev(phba); | |
6669f9bb JS |
10578 | if (shost) |
10579 | scsi_host_put(shost); | |
da0436e9 JS |
10580 | out_free_phba: |
10581 | lpfc_hba_free(phba); | |
10582 | return error; | |
10583 | } | |
10584 | ||
10585 | /** | |
10586 | * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem. | |
10587 | * @pdev: pointer to PCI device | |
10588 | * | |
10589 | * This routine is to be called to disattach a device with SLI-3 interface | |
10590 | * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is | |
10591 | * removed from PCI bus, it performs all the necessary cleanup for the HBA | |
10592 | * device to be removed from the PCI subsystem properly. | |
10593 | **/ | |
6f039790 | 10594 | static void |
da0436e9 JS |
10595 | lpfc_pci_remove_one_s3(struct pci_dev *pdev) |
10596 | { | |
10597 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10598 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
10599 | struct lpfc_vport **vports; | |
10600 | struct lpfc_hba *phba = vport->phba; | |
10601 | int i; | |
da0436e9 JS |
10602 | |
10603 | spin_lock_irq(&phba->hbalock); | |
10604 | vport->load_flag |= FC_UNLOADING; | |
10605 | spin_unlock_irq(&phba->hbalock); | |
10606 | ||
10607 | lpfc_free_sysfs_attr(vport); | |
10608 | ||
10609 | /* Release all the vports against this physical port */ | |
10610 | vports = lpfc_create_vport_work_array(phba); | |
10611 | if (vports != NULL) | |
587a37f6 JS |
10612 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
10613 | if (vports[i]->port_type == LPFC_PHYSICAL_PORT) | |
10614 | continue; | |
da0436e9 | 10615 | fc_vport_terminate(vports[i]->fc_vport); |
587a37f6 | 10616 | } |
da0436e9 JS |
10617 | lpfc_destroy_vport_work_array(phba, vports); |
10618 | ||
10619 | /* Remove FC host and then SCSI host with the physical port */ | |
10620 | fc_remove_host(shost); | |
10621 | scsi_remove_host(shost); | |
d613b6a7 | 10622 | |
da0436e9 JS |
10623 | lpfc_cleanup(vport); |
10624 | ||
10625 | /* | |
10626 | * Bring down the SLI Layer. This step disable all interrupts, | |
10627 | * clears the rings, discards all mailbox commands, and resets | |
10628 | * the HBA. | |
10629 | */ | |
10630 | ||
48e34d0f | 10631 | /* HBA interrupt will be disabled after this call */ |
da0436e9 JS |
10632 | lpfc_sli_hba_down(phba); |
10633 | /* Stop kthread signal shall trigger work_done one more time */ | |
10634 | kthread_stop(phba->worker_thread); | |
10635 | /* Final cleanup of txcmplq and reset the HBA */ | |
10636 | lpfc_sli_brdrestart(phba); | |
10637 | ||
72859909 JS |
10638 | kfree(phba->vpi_bmask); |
10639 | kfree(phba->vpi_ids); | |
10640 | ||
da0436e9 JS |
10641 | lpfc_stop_hba_timers(phba); |
10642 | spin_lock_irq(&phba->hbalock); | |
10643 | list_del_init(&vport->listentry); | |
10644 | spin_unlock_irq(&phba->hbalock); | |
10645 | ||
10646 | lpfc_debugfs_terminate(vport); | |
10647 | ||
912e3acd JS |
10648 | /* Disable SR-IOV if enabled */ |
10649 | if (phba->cfg_sriov_nr_virtfn) | |
10650 | pci_disable_sriov(pdev); | |
10651 | ||
da0436e9 JS |
10652 | /* Disable interrupt */ |
10653 | lpfc_sli_disable_intr(phba); | |
10654 | ||
da0436e9 JS |
10655 | scsi_host_put(shost); |
10656 | ||
10657 | /* | |
10658 | * Call scsi_free before mem_free since scsi bufs are released to their | |
10659 | * corresponding pools here. | |
10660 | */ | |
10661 | lpfc_scsi_free(phba); | |
10662 | lpfc_mem_free_all(phba); | |
10663 | ||
10664 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), | |
10665 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
10666 | ||
10667 | /* Free resources associated with SLI2 interface */ | |
10668 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
10669 | phba->slim2p.virt, phba->slim2p.phys); | |
10670 | ||
10671 | /* unmap adapter SLIM and Control Registers */ | |
10672 | iounmap(phba->ctrl_regs_memmap_p); | |
10673 | iounmap(phba->slim_memmap_p); | |
10674 | ||
10675 | lpfc_hba_free(phba); | |
10676 | ||
e0c0483c | 10677 | pci_release_mem_regions(pdev); |
da0436e9 JS |
10678 | pci_disable_device(pdev); |
10679 | } | |
10680 | ||
10681 | /** | |
10682 | * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt | |
10683 | * @pdev: pointer to PCI device | |
10684 | * @msg: power management message | |
10685 | * | |
10686 | * This routine is to be called from the kernel's PCI subsystem to support | |
10687 | * system Power Management (PM) to device with SLI-3 interface spec. When | |
10688 | * PM invokes this method, it quiesces the device by stopping the driver's | |
10689 | * worker thread for the device, turning off device's interrupt and DMA, | |
10690 | * and bring the device offline. Note that as the driver implements the | |
10691 | * minimum PM requirements to a power-aware driver's PM support for the | |
10692 | * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE) | |
10693 | * to the suspend() method call will be treated as SUSPEND and the driver will | |
10694 | * fully reinitialize its device during resume() method call, the driver will | |
10695 | * set device to PCI_D3hot state in PCI config space instead of setting it | |
10696 | * according to the @msg provided by the PM. | |
10697 | * | |
10698 | * Return code | |
10699 | * 0 - driver suspended the device | |
10700 | * Error otherwise | |
10701 | **/ | |
10702 | static int | |
10703 | lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg) | |
10704 | { | |
10705 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10706 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10707 | ||
10708 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
10709 | "0473 PCI device Power Management suspend.\n"); | |
10710 | ||
10711 | /* Bring down the device */ | |
618a5230 | 10712 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
da0436e9 JS |
10713 | lpfc_offline(phba); |
10714 | kthread_stop(phba->worker_thread); | |
10715 | ||
10716 | /* Disable interrupt from device */ | |
10717 | lpfc_sli_disable_intr(phba); | |
10718 | ||
10719 | /* Save device state to PCI config space */ | |
10720 | pci_save_state(pdev); | |
10721 | pci_set_power_state(pdev, PCI_D3hot); | |
10722 | ||
10723 | return 0; | |
10724 | } | |
10725 | ||
10726 | /** | |
10727 | * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt | |
10728 | * @pdev: pointer to PCI device | |
10729 | * | |
10730 | * This routine is to be called from the kernel's PCI subsystem to support | |
10731 | * system Power Management (PM) to device with SLI-3 interface spec. When PM | |
10732 | * invokes this method, it restores the device's PCI config space state and | |
10733 | * fully reinitializes the device and brings it online. Note that as the | |
10734 | * driver implements the minimum PM requirements to a power-aware driver's | |
10735 | * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, | |
10736 | * FREEZE) to the suspend() method call will be treated as SUSPEND and the | |
10737 | * driver will fully reinitialize its device during resume() method call, | |
10738 | * the device will be set to PCI_D0 directly in PCI config space before | |
10739 | * restoring the state. | |
10740 | * | |
10741 | * Return code | |
10742 | * 0 - driver suspended the device | |
10743 | * Error otherwise | |
10744 | **/ | |
10745 | static int | |
10746 | lpfc_pci_resume_one_s3(struct pci_dev *pdev) | |
10747 | { | |
10748 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10749 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10750 | uint32_t intr_mode; | |
10751 | int error; | |
10752 | ||
10753 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
10754 | "0452 PCI device Power Management resume.\n"); | |
10755 | ||
10756 | /* Restore device state from PCI config space */ | |
10757 | pci_set_power_state(pdev, PCI_D0); | |
10758 | pci_restore_state(pdev); | |
0d878419 | 10759 | |
1dfb5a47 JS |
10760 | /* |
10761 | * As the new kernel behavior of pci_restore_state() API call clears | |
10762 | * device saved_state flag, need to save the restored state again. | |
10763 | */ | |
10764 | pci_save_state(pdev); | |
10765 | ||
da0436e9 JS |
10766 | if (pdev->is_busmaster) |
10767 | pci_set_master(pdev); | |
10768 | ||
10769 | /* Startup the kernel thread for this host adapter. */ | |
10770 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
10771 | "lpfc_worker_%d", phba->brd_no); | |
10772 | if (IS_ERR(phba->worker_thread)) { | |
10773 | error = PTR_ERR(phba->worker_thread); | |
10774 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10775 | "0434 PM resume failed to start worker " | |
10776 | "thread: error=x%x.\n", error); | |
10777 | return error; | |
10778 | } | |
10779 | ||
10780 | /* Configure and enable interrupt */ | |
10781 | intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode); | |
10782 | if (intr_mode == LPFC_INTR_ERROR) { | |
10783 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10784 | "0430 PM resume Failed to enable interrupt\n"); | |
10785 | return -EIO; | |
10786 | } else | |
10787 | phba->intr_mode = intr_mode; | |
10788 | ||
10789 | /* Restart HBA and bring it online */ | |
10790 | lpfc_sli_brdrestart(phba); | |
10791 | lpfc_online(phba); | |
10792 | ||
10793 | /* Log the current active interrupt mode */ | |
10794 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
10795 | ||
10796 | return 0; | |
10797 | } | |
10798 | ||
891478a2 JS |
10799 | /** |
10800 | * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover | |
10801 | * @phba: pointer to lpfc hba data structure. | |
10802 | * | |
10803 | * This routine is called to prepare the SLI3 device for PCI slot recover. It | |
e2af0d2e | 10804 | * aborts all the outstanding SCSI I/Os to the pci device. |
891478a2 JS |
10805 | **/ |
10806 | static void | |
10807 | lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba) | |
10808 | { | |
10809 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10810 | "2723 PCI channel I/O abort preparing for recovery\n"); | |
e2af0d2e JS |
10811 | |
10812 | /* | |
10813 | * There may be errored I/Os through HBA, abort all I/Os on txcmplq | |
10814 | * and let the SCSI mid-layer to retry them to recover. | |
10815 | */ | |
db55fba8 | 10816 | lpfc_sli_abort_fcp_rings(phba); |
891478a2 JS |
10817 | } |
10818 | ||
0d878419 JS |
10819 | /** |
10820 | * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset | |
10821 | * @phba: pointer to lpfc hba data structure. | |
10822 | * | |
10823 | * This routine is called to prepare the SLI3 device for PCI slot reset. It | |
10824 | * disables the device interrupt and pci device, and aborts the internal FCP | |
10825 | * pending I/Os. | |
10826 | **/ | |
10827 | static void | |
10828 | lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba) | |
10829 | { | |
0d878419 | 10830 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
891478a2 | 10831 | "2710 PCI channel disable preparing for reset\n"); |
e2af0d2e | 10832 | |
75baf696 | 10833 | /* Block any management I/Os to the device */ |
618a5230 | 10834 | lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT); |
75baf696 | 10835 | |
e2af0d2e JS |
10836 | /* Block all SCSI devices' I/Os on the host */ |
10837 | lpfc_scsi_dev_block(phba); | |
10838 | ||
ea714f3d JS |
10839 | /* Flush all driver's outstanding SCSI I/Os as we are to reset */ |
10840 | lpfc_sli_flush_fcp_rings(phba); | |
10841 | ||
e2af0d2e JS |
10842 | /* stop all timers */ |
10843 | lpfc_stop_hba_timers(phba); | |
10844 | ||
0d878419 JS |
10845 | /* Disable interrupt and pci device */ |
10846 | lpfc_sli_disable_intr(phba); | |
10847 | pci_disable_device(phba->pcidev); | |
0d878419 JS |
10848 | } |
10849 | ||
10850 | /** | |
10851 | * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable | |
10852 | * @phba: pointer to lpfc hba data structure. | |
10853 | * | |
10854 | * This routine is called to prepare the SLI3 device for PCI slot permanently | |
10855 | * disabling. It blocks the SCSI transport layer traffic and flushes the FCP | |
10856 | * pending I/Os. | |
10857 | **/ | |
10858 | static void | |
75baf696 | 10859 | lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba) |
0d878419 JS |
10860 | { |
10861 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
891478a2 | 10862 | "2711 PCI channel permanent disable for failure\n"); |
e2af0d2e JS |
10863 | /* Block all SCSI devices' I/Os on the host */ |
10864 | lpfc_scsi_dev_block(phba); | |
10865 | ||
10866 | /* stop all timers */ | |
10867 | lpfc_stop_hba_timers(phba); | |
10868 | ||
0d878419 JS |
10869 | /* Clean up all driver's outstanding SCSI I/Os */ |
10870 | lpfc_sli_flush_fcp_rings(phba); | |
10871 | } | |
10872 | ||
da0436e9 JS |
10873 | /** |
10874 | * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error | |
10875 | * @pdev: pointer to PCI device. | |
10876 | * @state: the current PCI connection state. | |
10877 | * | |
10878 | * This routine is called from the PCI subsystem for I/O error handling to | |
10879 | * device with SLI-3 interface spec. This function is called by the PCI | |
10880 | * subsystem after a PCI bus error affecting this device has been detected. | |
10881 | * When this function is invoked, it will need to stop all the I/Os and | |
10882 | * interrupt(s) to the device. Once that is done, it will return | |
10883 | * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery | |
10884 | * as desired. | |
10885 | * | |
10886 | * Return codes | |
0d878419 | 10887 | * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link |
da0436e9 JS |
10888 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery |
10889 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
10890 | **/ | |
10891 | static pci_ers_result_t | |
10892 | lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state) | |
10893 | { | |
10894 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10895 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
da0436e9 | 10896 | |
0d878419 JS |
10897 | switch (state) { |
10898 | case pci_channel_io_normal: | |
891478a2 JS |
10899 | /* Non-fatal error, prepare for recovery */ |
10900 | lpfc_sli_prep_dev_for_recover(phba); | |
0d878419 JS |
10901 | return PCI_ERS_RESULT_CAN_RECOVER; |
10902 | case pci_channel_io_frozen: | |
10903 | /* Fatal error, prepare for slot reset */ | |
10904 | lpfc_sli_prep_dev_for_reset(phba); | |
10905 | return PCI_ERS_RESULT_NEED_RESET; | |
10906 | case pci_channel_io_perm_failure: | |
10907 | /* Permanent failure, prepare for device down */ | |
75baf696 | 10908 | lpfc_sli_prep_dev_for_perm_failure(phba); |
da0436e9 | 10909 | return PCI_ERS_RESULT_DISCONNECT; |
0d878419 JS |
10910 | default: |
10911 | /* Unknown state, prepare and request slot reset */ | |
10912 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10913 | "0472 Unknown PCI error state: x%x\n", state); | |
10914 | lpfc_sli_prep_dev_for_reset(phba); | |
10915 | return PCI_ERS_RESULT_NEED_RESET; | |
da0436e9 | 10916 | } |
da0436e9 JS |
10917 | } |
10918 | ||
10919 | /** | |
10920 | * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch. | |
10921 | * @pdev: pointer to PCI device. | |
10922 | * | |
10923 | * This routine is called from the PCI subsystem for error handling to | |
10924 | * device with SLI-3 interface spec. This is called after PCI bus has been | |
10925 | * reset to restart the PCI card from scratch, as if from a cold-boot. | |
10926 | * During the PCI subsystem error recovery, after driver returns | |
10927 | * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error | |
10928 | * recovery and then call this routine before calling the .resume method | |
10929 | * to recover the device. This function will initialize the HBA device, | |
10930 | * enable the interrupt, but it will just put the HBA to offline state | |
10931 | * without passing any I/O traffic. | |
10932 | * | |
10933 | * Return codes | |
10934 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered | |
10935 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
10936 | */ | |
10937 | static pci_ers_result_t | |
10938 | lpfc_io_slot_reset_s3(struct pci_dev *pdev) | |
10939 | { | |
10940 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10941 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10942 | struct lpfc_sli *psli = &phba->sli; | |
10943 | uint32_t intr_mode; | |
10944 | ||
10945 | dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); | |
10946 | if (pci_enable_device_mem(pdev)) { | |
10947 | printk(KERN_ERR "lpfc: Cannot re-enable " | |
10948 | "PCI device after reset.\n"); | |
10949 | return PCI_ERS_RESULT_DISCONNECT; | |
10950 | } | |
10951 | ||
10952 | pci_restore_state(pdev); | |
1dfb5a47 JS |
10953 | |
10954 | /* | |
10955 | * As the new kernel behavior of pci_restore_state() API call clears | |
10956 | * device saved_state flag, need to save the restored state again. | |
10957 | */ | |
10958 | pci_save_state(pdev); | |
10959 | ||
da0436e9 JS |
10960 | if (pdev->is_busmaster) |
10961 | pci_set_master(pdev); | |
10962 | ||
10963 | spin_lock_irq(&phba->hbalock); | |
10964 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; | |
10965 | spin_unlock_irq(&phba->hbalock); | |
10966 | ||
10967 | /* Configure and enable interrupt */ | |
10968 | intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode); | |
10969 | if (intr_mode == LPFC_INTR_ERROR) { | |
10970 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10971 | "0427 Cannot re-enable interrupt after " | |
10972 | "slot reset.\n"); | |
10973 | return PCI_ERS_RESULT_DISCONNECT; | |
10974 | } else | |
10975 | phba->intr_mode = intr_mode; | |
10976 | ||
75baf696 | 10977 | /* Take device offline, it will perform cleanup */ |
618a5230 | 10978 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
da0436e9 JS |
10979 | lpfc_offline(phba); |
10980 | lpfc_sli_brdrestart(phba); | |
10981 | ||
10982 | /* Log the current active interrupt mode */ | |
10983 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
10984 | ||
10985 | return PCI_ERS_RESULT_RECOVERED; | |
10986 | } | |
10987 | ||
10988 | /** | |
10989 | * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device. | |
10990 | * @pdev: pointer to PCI device | |
10991 | * | |
10992 | * This routine is called from the PCI subsystem for error handling to device | |
10993 | * with SLI-3 interface spec. It is called when kernel error recovery tells | |
10994 | * the lpfc driver that it is ok to resume normal PCI operation after PCI bus | |
10995 | * error recovery. After this call, traffic can start to flow from this device | |
10996 | * again. | |
10997 | */ | |
10998 | static void | |
10999 | lpfc_io_resume_s3(struct pci_dev *pdev) | |
11000 | { | |
11001 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
11002 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
3772a991 | 11003 | |
e2af0d2e | 11004 | /* Bring device online, it will be no-op for non-fatal error resume */ |
da0436e9 | 11005 | lpfc_online(phba); |
0d878419 JS |
11006 | |
11007 | /* Clean up Advanced Error Reporting (AER) if needed */ | |
11008 | if (phba->hba_flag & HBA_AER_ENABLED) | |
11009 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
da0436e9 | 11010 | } |
3772a991 | 11011 | |
da0436e9 JS |
11012 | /** |
11013 | * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve | |
11014 | * @phba: pointer to lpfc hba data structure. | |
11015 | * | |
11016 | * returns the number of ELS/CT IOCBs to reserve | |
11017 | **/ | |
11018 | int | |
11019 | lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba) | |
11020 | { | |
11021 | int max_xri = phba->sli4_hba.max_cfg_param.max_xri; | |
11022 | ||
f1126688 JS |
11023 | if (phba->sli_rev == LPFC_SLI_REV4) { |
11024 | if (max_xri <= 100) | |
6a9c52cf | 11025 | return 10; |
f1126688 | 11026 | else if (max_xri <= 256) |
6a9c52cf | 11027 | return 25; |
f1126688 | 11028 | else if (max_xri <= 512) |
6a9c52cf | 11029 | return 50; |
f1126688 | 11030 | else if (max_xri <= 1024) |
6a9c52cf | 11031 | return 100; |
8a9d2e80 | 11032 | else if (max_xri <= 1536) |
6a9c52cf | 11033 | return 150; |
8a9d2e80 JS |
11034 | else if (max_xri <= 2048) |
11035 | return 200; | |
11036 | else | |
11037 | return 250; | |
f1126688 JS |
11038 | } else |
11039 | return 0; | |
3772a991 JS |
11040 | } |
11041 | ||
895427bd JS |
11042 | /** |
11043 | * lpfc_sli4_get_iocb_cnt - Calculate the # of total IOCBs to reserve | |
11044 | * @phba: pointer to lpfc hba data structure. | |
11045 | * | |
f358dd0c | 11046 | * returns the number of ELS/CT + NVMET IOCBs to reserve |
895427bd JS |
11047 | **/ |
11048 | int | |
11049 | lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba) | |
11050 | { | |
11051 | int max_xri = lpfc_sli4_get_els_iocb_cnt(phba); | |
11052 | ||
f358dd0c JS |
11053 | if (phba->nvmet_support) |
11054 | max_xri += LPFC_NVMET_BUF_POST; | |
895427bd JS |
11055 | return max_xri; |
11056 | } | |
11057 | ||
11058 | ||
52d52440 JS |
11059 | /** |
11060 | * lpfc_write_firmware - attempt to write a firmware image to the port | |
52d52440 | 11061 | * @fw: pointer to firmware image returned from request_firmware. |
ce396282 | 11062 | * @phba: pointer to lpfc hba data structure. |
52d52440 | 11063 | * |
52d52440 | 11064 | **/ |
ce396282 JS |
11065 | static void |
11066 | lpfc_write_firmware(const struct firmware *fw, void *context) | |
52d52440 | 11067 | { |
ce396282 | 11068 | struct lpfc_hba *phba = (struct lpfc_hba *)context; |
6b5151fd | 11069 | char fwrev[FW_REV_STR_SIZE]; |
ce396282 | 11070 | struct lpfc_grp_hdr *image; |
52d52440 JS |
11071 | struct list_head dma_buffer_list; |
11072 | int i, rc = 0; | |
11073 | struct lpfc_dmabuf *dmabuf, *next; | |
11074 | uint32_t offset = 0, temp_offset = 0; | |
6b6ef5db | 11075 | uint32_t magic_number, ftype, fid, fsize; |
52d52440 | 11076 | |
c71ab861 | 11077 | /* It can be null in no-wait mode, sanity check */ |
ce396282 JS |
11078 | if (!fw) { |
11079 | rc = -ENXIO; | |
11080 | goto out; | |
11081 | } | |
11082 | image = (struct lpfc_grp_hdr *)fw->data; | |
11083 | ||
6b6ef5db JS |
11084 | magic_number = be32_to_cpu(image->magic_number); |
11085 | ftype = bf_get_be32(lpfc_grp_hdr_file_type, image); | |
11086 | fid = bf_get_be32(lpfc_grp_hdr_id, image), | |
11087 | fsize = be32_to_cpu(image->size); | |
11088 | ||
52d52440 | 11089 | INIT_LIST_HEAD(&dma_buffer_list); |
6b6ef5db JS |
11090 | if ((magic_number != LPFC_GROUP_OJECT_MAGIC_G5 && |
11091 | magic_number != LPFC_GROUP_OJECT_MAGIC_G6) || | |
11092 | ftype != LPFC_FILE_TYPE_GROUP || fsize != fw->size) { | |
52d52440 JS |
11093 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
11094 | "3022 Invalid FW image found. " | |
efe583c6 | 11095 | "Magic:%x Type:%x ID:%x Size %d %zd\n", |
6b6ef5db | 11096 | magic_number, ftype, fid, fsize, fw->size); |
ce396282 JS |
11097 | rc = -EINVAL; |
11098 | goto release_out; | |
52d52440 JS |
11099 | } |
11100 | lpfc_decode_firmware_rev(phba, fwrev, 1); | |
88a2cfbb | 11101 | if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) { |
52d52440 | 11102 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
ce396282 | 11103 | "3023 Updating Firmware, Current Version:%s " |
52d52440 | 11104 | "New Version:%s\n", |
88a2cfbb | 11105 | fwrev, image->revision); |
52d52440 JS |
11106 | for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) { |
11107 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), | |
11108 | GFP_KERNEL); | |
11109 | if (!dmabuf) { | |
11110 | rc = -ENOMEM; | |
ce396282 | 11111 | goto release_out; |
52d52440 JS |
11112 | } |
11113 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, | |
11114 | SLI4_PAGE_SIZE, | |
11115 | &dmabuf->phys, | |
11116 | GFP_KERNEL); | |
11117 | if (!dmabuf->virt) { | |
11118 | kfree(dmabuf); | |
11119 | rc = -ENOMEM; | |
ce396282 | 11120 | goto release_out; |
52d52440 JS |
11121 | } |
11122 | list_add_tail(&dmabuf->list, &dma_buffer_list); | |
11123 | } | |
11124 | while (offset < fw->size) { | |
11125 | temp_offset = offset; | |
11126 | list_for_each_entry(dmabuf, &dma_buffer_list, list) { | |
079b5c91 | 11127 | if (temp_offset + SLI4_PAGE_SIZE > fw->size) { |
52d52440 JS |
11128 | memcpy(dmabuf->virt, |
11129 | fw->data + temp_offset, | |
079b5c91 JS |
11130 | fw->size - temp_offset); |
11131 | temp_offset = fw->size; | |
52d52440 JS |
11132 | break; |
11133 | } | |
52d52440 JS |
11134 | memcpy(dmabuf->virt, fw->data + temp_offset, |
11135 | SLI4_PAGE_SIZE); | |
88a2cfbb | 11136 | temp_offset += SLI4_PAGE_SIZE; |
52d52440 JS |
11137 | } |
11138 | rc = lpfc_wr_object(phba, &dma_buffer_list, | |
11139 | (fw->size - offset), &offset); | |
ce396282 JS |
11140 | if (rc) |
11141 | goto release_out; | |
52d52440 JS |
11142 | } |
11143 | rc = offset; | |
11144 | } | |
ce396282 JS |
11145 | |
11146 | release_out: | |
52d52440 JS |
11147 | list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) { |
11148 | list_del(&dmabuf->list); | |
11149 | dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE, | |
11150 | dmabuf->virt, dmabuf->phys); | |
11151 | kfree(dmabuf); | |
11152 | } | |
ce396282 JS |
11153 | release_firmware(fw); |
11154 | out: | |
11155 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
c71ab861 | 11156 | "3024 Firmware update done: %d.\n", rc); |
ce396282 | 11157 | return; |
52d52440 JS |
11158 | } |
11159 | ||
c71ab861 JS |
11160 | /** |
11161 | * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade | |
11162 | * @phba: pointer to lpfc hba data structure. | |
11163 | * | |
11164 | * This routine is called to perform Linux generic firmware upgrade on device | |
11165 | * that supports such feature. | |
11166 | **/ | |
11167 | int | |
11168 | lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade) | |
11169 | { | |
11170 | uint8_t file_name[ELX_MODEL_NAME_SIZE]; | |
11171 | int ret; | |
11172 | const struct firmware *fw; | |
11173 | ||
11174 | /* Only supported on SLI4 interface type 2 for now */ | |
11175 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
11176 | LPFC_SLI_INTF_IF_TYPE_2) | |
11177 | return -EPERM; | |
11178 | ||
11179 | snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp", phba->ModelName); | |
11180 | ||
11181 | if (fw_upgrade == INT_FW_UPGRADE) { | |
11182 | ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG, | |
11183 | file_name, &phba->pcidev->dev, | |
11184 | GFP_KERNEL, (void *)phba, | |
11185 | lpfc_write_firmware); | |
11186 | } else if (fw_upgrade == RUN_FW_UPGRADE) { | |
11187 | ret = request_firmware(&fw, file_name, &phba->pcidev->dev); | |
11188 | if (!ret) | |
11189 | lpfc_write_firmware(fw, (void *)phba); | |
11190 | } else { | |
11191 | ret = -EINVAL; | |
11192 | } | |
11193 | ||
11194 | return ret; | |
11195 | } | |
11196 | ||
3772a991 | 11197 | /** |
da0436e9 | 11198 | * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys |
3772a991 JS |
11199 | * @pdev: pointer to PCI device |
11200 | * @pid: pointer to PCI device identifier | |
11201 | * | |
da0436e9 JS |
11202 | * This routine is called from the kernel's PCI subsystem to device with |
11203 | * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is | |
3772a991 | 11204 | * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific |
da0436e9 JS |
11205 | * information of the device and driver to see if the driver state that it |
11206 | * can support this kind of device. If the match is successful, the driver | |
11207 | * core invokes this routine. If this routine determines it can claim the HBA, | |
11208 | * it does all the initialization that it needs to do to handle the HBA | |
11209 | * properly. | |
3772a991 JS |
11210 | * |
11211 | * Return code | |
11212 | * 0 - driver can claim the device | |
11213 | * negative value - driver can not claim the device | |
11214 | **/ | |
6f039790 | 11215 | static int |
da0436e9 | 11216 | lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) |
3772a991 JS |
11217 | { |
11218 | struct lpfc_hba *phba; | |
11219 | struct lpfc_vport *vport = NULL; | |
6669f9bb | 11220 | struct Scsi_Host *shost = NULL; |
6c621a22 | 11221 | int error; |
3772a991 JS |
11222 | uint32_t cfg_mode, intr_mode; |
11223 | ||
11224 | /* Allocate memory for HBA structure */ | |
11225 | phba = lpfc_hba_alloc(pdev); | |
11226 | if (!phba) | |
11227 | return -ENOMEM; | |
11228 | ||
11229 | /* Perform generic PCI device enabling operation */ | |
11230 | error = lpfc_enable_pci_dev(phba); | |
079b5c91 | 11231 | if (error) |
3772a991 | 11232 | goto out_free_phba; |
3772a991 | 11233 | |
da0436e9 JS |
11234 | /* Set up SLI API function jump table for PCI-device group-1 HBAs */ |
11235 | error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC); | |
3772a991 JS |
11236 | if (error) |
11237 | goto out_disable_pci_dev; | |
11238 | ||
da0436e9 JS |
11239 | /* Set up SLI-4 specific device PCI memory space */ |
11240 | error = lpfc_sli4_pci_mem_setup(phba); | |
3772a991 JS |
11241 | if (error) { |
11242 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 11243 | "1410 Failed to set up pci memory space.\n"); |
3772a991 JS |
11244 | goto out_disable_pci_dev; |
11245 | } | |
11246 | ||
da0436e9 JS |
11247 | /* Set up SLI-4 Specific device driver resources */ |
11248 | error = lpfc_sli4_driver_resource_setup(phba); | |
3772a991 JS |
11249 | if (error) { |
11250 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 JS |
11251 | "1412 Failed to set up driver resource.\n"); |
11252 | goto out_unset_pci_mem_s4; | |
3772a991 JS |
11253 | } |
11254 | ||
19ca7609 | 11255 | INIT_LIST_HEAD(&phba->active_rrq_list); |
7d791df7 | 11256 | INIT_LIST_HEAD(&phba->fcf.fcf_pri_list); |
19ca7609 | 11257 | |
3772a991 JS |
11258 | /* Set up common device driver resources */ |
11259 | error = lpfc_setup_driver_resource_phase2(phba); | |
11260 | if (error) { | |
11261 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 11262 | "1414 Failed to set up driver resource.\n"); |
6c621a22 | 11263 | goto out_unset_driver_resource_s4; |
3772a991 JS |
11264 | } |
11265 | ||
079b5c91 JS |
11266 | /* Get the default values for Model Name and Description */ |
11267 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
11268 | ||
3772a991 JS |
11269 | /* Create SCSI host to the physical port */ |
11270 | error = lpfc_create_shost(phba); | |
11271 | if (error) { | |
11272 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 11273 | "1415 Failed to create scsi host.\n"); |
3772a991 JS |
11274 | goto out_unset_driver_resource; |
11275 | } | |
9399627f | 11276 | |
5b75da2f | 11277 | /* Configure sysfs attributes */ |
3772a991 JS |
11278 | vport = phba->pport; |
11279 | error = lpfc_alloc_sysfs_attr(vport); | |
11280 | if (error) { | |
9399627f | 11281 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
da0436e9 | 11282 | "1416 Failed to allocate sysfs attr\n"); |
3772a991 | 11283 | goto out_destroy_shost; |
98c9ea5c | 11284 | } |
875fbdfe | 11285 | |
6669f9bb | 11286 | shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */ |
3772a991 | 11287 | /* Now, trying to enable interrupt and bring up the device */ |
5b75da2f | 11288 | cfg_mode = phba->cfg_use_msi; |
5b75da2f | 11289 | |
7b15db32 JS |
11290 | /* Put device to a known state before enabling interrupt */ |
11291 | lpfc_stop_port(phba); | |
895427bd | 11292 | |
7b15db32 JS |
11293 | /* Configure and enable interrupt */ |
11294 | intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode); | |
11295 | if (intr_mode == LPFC_INTR_ERROR) { | |
11296 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11297 | "0426 Failed to enable interrupt.\n"); | |
11298 | error = -ENODEV; | |
11299 | goto out_free_sysfs_attr; | |
11300 | } | |
11301 | /* Default to single EQ for non-MSI-X */ | |
895427bd JS |
11302 | if (phba->intr_type != MSIX) { |
11303 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) | |
11304 | phba->cfg_fcp_io_channel = 1; | |
2d7dbc4c | 11305 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { |
895427bd | 11306 | phba->cfg_nvme_io_channel = 1; |
2d7dbc4c JS |
11307 | if (phba->nvmet_support) |
11308 | phba->cfg_nvmet_mrq = 1; | |
11309 | } | |
895427bd JS |
11310 | phba->io_channel_irqs = 1; |
11311 | } | |
11312 | ||
7b15db32 JS |
11313 | /* Set up SLI-4 HBA */ |
11314 | if (lpfc_sli4_hba_setup(phba)) { | |
11315 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11316 | "1421 Failed to set up hba\n"); | |
11317 | error = -ENODEV; | |
11318 | goto out_disable_intr; | |
98c9ea5c | 11319 | } |
858c9f6c | 11320 | |
7b15db32 JS |
11321 | /* Log the current active interrupt mode */ |
11322 | phba->intr_mode = intr_mode; | |
11323 | lpfc_log_intr_mode(phba, intr_mode); | |
11324 | ||
3772a991 JS |
11325 | /* Perform post initialization setup */ |
11326 | lpfc_post_init_setup(phba); | |
dea3101e | 11327 | |
01649561 JS |
11328 | /* NVME support in FW earlier in the driver load corrects the |
11329 | * FC4 type making a check for nvme_support unnecessary. | |
11330 | */ | |
11331 | if ((phba->nvmet_support == 0) && | |
11332 | (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) { | |
11333 | /* Create NVME binding with nvme_fc_transport. This | |
d1f525aa JS |
11334 | * ensures the vport is initialized. If the localport |
11335 | * create fails, it should not unload the driver to | |
11336 | * support field issues. | |
01649561 JS |
11337 | */ |
11338 | error = lpfc_nvme_create_localport(vport); | |
11339 | if (error) { | |
11340 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11341 | "6004 NVME registration failed, " | |
11342 | "error x%x\n", | |
11343 | error); | |
01649561 JS |
11344 | } |
11345 | } | |
895427bd | 11346 | |
c71ab861 JS |
11347 | /* check for firmware upgrade or downgrade */ |
11348 | if (phba->cfg_request_firmware_upgrade) | |
db6f1c2f | 11349 | lpfc_sli4_request_firmware_update(phba, INT_FW_UPGRADE); |
52d52440 | 11350 | |
1c6834a7 JS |
11351 | /* Check if there are static vports to be created. */ |
11352 | lpfc_create_static_vport(phba); | |
dea3101e JB |
11353 | return 0; |
11354 | ||
da0436e9 JS |
11355 | out_disable_intr: |
11356 | lpfc_sli4_disable_intr(phba); | |
5b75da2f JS |
11357 | out_free_sysfs_attr: |
11358 | lpfc_free_sysfs_attr(vport); | |
3772a991 JS |
11359 | out_destroy_shost: |
11360 | lpfc_destroy_shost(phba); | |
11361 | out_unset_driver_resource: | |
11362 | lpfc_unset_driver_resource_phase2(phba); | |
da0436e9 JS |
11363 | out_unset_driver_resource_s4: |
11364 | lpfc_sli4_driver_resource_unset(phba); | |
11365 | out_unset_pci_mem_s4: | |
11366 | lpfc_sli4_pci_mem_unset(phba); | |
3772a991 JS |
11367 | out_disable_pci_dev: |
11368 | lpfc_disable_pci_dev(phba); | |
6669f9bb JS |
11369 | if (shost) |
11370 | scsi_host_put(shost); | |
2e0fef85 | 11371 | out_free_phba: |
3772a991 | 11372 | lpfc_hba_free(phba); |
dea3101e JB |
11373 | return error; |
11374 | } | |
11375 | ||
e59058c4 | 11376 | /** |
da0436e9 | 11377 | * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem |
e59058c4 JS |
11378 | * @pdev: pointer to PCI device |
11379 | * | |
da0436e9 JS |
11380 | * This routine is called from the kernel's PCI subsystem to device with |
11381 | * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is | |
3772a991 JS |
11382 | * removed from PCI bus, it performs all the necessary cleanup for the HBA |
11383 | * device to be removed from the PCI subsystem properly. | |
e59058c4 | 11384 | **/ |
6f039790 | 11385 | static void |
da0436e9 | 11386 | lpfc_pci_remove_one_s4(struct pci_dev *pdev) |
dea3101e | 11387 | { |
da0436e9 | 11388 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2e0fef85 | 11389 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
eada272d | 11390 | struct lpfc_vport **vports; |
da0436e9 | 11391 | struct lpfc_hba *phba = vport->phba; |
eada272d | 11392 | int i; |
8a4df120 | 11393 | |
da0436e9 | 11394 | /* Mark the device unloading flag */ |
549e55cd | 11395 | spin_lock_irq(&phba->hbalock); |
51ef4c26 | 11396 | vport->load_flag |= FC_UNLOADING; |
549e55cd | 11397 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 11398 | |
da0436e9 | 11399 | /* Free the HBA sysfs attributes */ |
858c9f6c JS |
11400 | lpfc_free_sysfs_attr(vport); |
11401 | ||
eada272d JS |
11402 | /* Release all the vports against this physical port */ |
11403 | vports = lpfc_create_vport_work_array(phba); | |
11404 | if (vports != NULL) | |
587a37f6 JS |
11405 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
11406 | if (vports[i]->port_type == LPFC_PHYSICAL_PORT) | |
11407 | continue; | |
eada272d | 11408 | fc_vport_terminate(vports[i]->fc_vport); |
587a37f6 | 11409 | } |
eada272d JS |
11410 | lpfc_destroy_vport_work_array(phba, vports); |
11411 | ||
11412 | /* Remove FC host and then SCSI host with the physical port */ | |
858c9f6c JS |
11413 | fc_remove_host(shost); |
11414 | scsi_remove_host(shost); | |
1234a6d5 DK |
11415 | /* |
11416 | * Bring down the SLI Layer. This step disables all interrupts, | |
11417 | * clears the rings, discards all mailbox commands, and resets | |
11418 | * the HBA FCoE function. | |
11419 | */ | |
11420 | lpfc_debugfs_terminate(vport); | |
11421 | lpfc_sli4_hba_unset(phba); | |
da0436e9 | 11422 | |
d613b6a7 JS |
11423 | /* Perform ndlp cleanup on the physical port. The nvme and nvmet |
11424 | * localports are destroyed after to cleanup all transport memory. | |
895427bd | 11425 | */ |
87af33fe | 11426 | lpfc_cleanup(vport); |
d613b6a7 JS |
11427 | lpfc_nvmet_destroy_targetport(phba); |
11428 | lpfc_nvme_destroy_localport(vport); | |
87af33fe | 11429 | |
a257bf90 | 11430 | |
1901762f | 11431 | lpfc_stop_hba_timers(phba); |
858c9f6c JS |
11432 | spin_lock_irq(&phba->hbalock); |
11433 | list_del_init(&vport->listentry); | |
11434 | spin_unlock_irq(&phba->hbalock); | |
11435 | ||
3677a3a7 | 11436 | /* Perform scsi free before driver resource_unset since scsi |
da0436e9 | 11437 | * buffers are released to their corresponding pools here. |
2e0fef85 JS |
11438 | */ |
11439 | lpfc_scsi_free(phba); | |
895427bd | 11440 | lpfc_nvme_free(phba); |
01649561 | 11441 | lpfc_free_iocb_list(phba); |
67d12733 | 11442 | |
da0436e9 | 11443 | lpfc_sli4_driver_resource_unset(phba); |
ed957684 | 11444 | |
da0436e9 JS |
11445 | /* Unmap adapter Control and Doorbell registers */ |
11446 | lpfc_sli4_pci_mem_unset(phba); | |
2e0fef85 | 11447 | |
da0436e9 JS |
11448 | /* Release PCI resources and disable device's PCI function */ |
11449 | scsi_host_put(shost); | |
11450 | lpfc_disable_pci_dev(phba); | |
2e0fef85 | 11451 | |
da0436e9 | 11452 | /* Finally, free the driver's device data structure */ |
3772a991 | 11453 | lpfc_hba_free(phba); |
2e0fef85 | 11454 | |
da0436e9 | 11455 | return; |
dea3101e JB |
11456 | } |
11457 | ||
3a55b532 | 11458 | /** |
da0436e9 | 11459 | * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt |
3a55b532 JS |
11460 | * @pdev: pointer to PCI device |
11461 | * @msg: power management message | |
11462 | * | |
da0436e9 JS |
11463 | * This routine is called from the kernel's PCI subsystem to support system |
11464 | * Power Management (PM) to device with SLI-4 interface spec. When PM invokes | |
11465 | * this method, it quiesces the device by stopping the driver's worker | |
11466 | * thread for the device, turning off device's interrupt and DMA, and bring | |
11467 | * the device offline. Note that as the driver implements the minimum PM | |
11468 | * requirements to a power-aware driver's PM support for suspend/resume -- all | |
11469 | * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend() | |
11470 | * method call will be treated as SUSPEND and the driver will fully | |
11471 | * reinitialize its device during resume() method call, the driver will set | |
11472 | * device to PCI_D3hot state in PCI config space instead of setting it | |
3772a991 | 11473 | * according to the @msg provided by the PM. |
3a55b532 JS |
11474 | * |
11475 | * Return code | |
3772a991 JS |
11476 | * 0 - driver suspended the device |
11477 | * Error otherwise | |
3a55b532 JS |
11478 | **/ |
11479 | static int | |
da0436e9 | 11480 | lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg) |
3a55b532 JS |
11481 | { |
11482 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
11483 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
11484 | ||
11485 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
75baf696 | 11486 | "2843 PCI device Power Management suspend.\n"); |
3a55b532 JS |
11487 | |
11488 | /* Bring down the device */ | |
618a5230 | 11489 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
3a55b532 JS |
11490 | lpfc_offline(phba); |
11491 | kthread_stop(phba->worker_thread); | |
11492 | ||
11493 | /* Disable interrupt from device */ | |
da0436e9 | 11494 | lpfc_sli4_disable_intr(phba); |
5350d872 | 11495 | lpfc_sli4_queue_destroy(phba); |
3a55b532 JS |
11496 | |
11497 | /* Save device state to PCI config space */ | |
11498 | pci_save_state(pdev); | |
11499 | pci_set_power_state(pdev, PCI_D3hot); | |
11500 | ||
11501 | return 0; | |
11502 | } | |
11503 | ||
11504 | /** | |
da0436e9 | 11505 | * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt |
3a55b532 JS |
11506 | * @pdev: pointer to PCI device |
11507 | * | |
da0436e9 JS |
11508 | * This routine is called from the kernel's PCI subsystem to support system |
11509 | * Power Management (PM) to device with SLI-4 interface spac. When PM invokes | |
11510 | * this method, it restores the device's PCI config space state and fully | |
11511 | * reinitializes the device and brings it online. Note that as the driver | |
11512 | * implements the minimum PM requirements to a power-aware driver's PM for | |
11513 | * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE) | |
11514 | * to the suspend() method call will be treated as SUSPEND and the driver | |
11515 | * will fully reinitialize its device during resume() method call, the device | |
11516 | * will be set to PCI_D0 directly in PCI config space before restoring the | |
11517 | * state. | |
3a55b532 JS |
11518 | * |
11519 | * Return code | |
3772a991 JS |
11520 | * 0 - driver suspended the device |
11521 | * Error otherwise | |
3a55b532 JS |
11522 | **/ |
11523 | static int | |
da0436e9 | 11524 | lpfc_pci_resume_one_s4(struct pci_dev *pdev) |
3a55b532 JS |
11525 | { |
11526 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
11527 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
5b75da2f | 11528 | uint32_t intr_mode; |
3a55b532 JS |
11529 | int error; |
11530 | ||
11531 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
da0436e9 | 11532 | "0292 PCI device Power Management resume.\n"); |
3a55b532 JS |
11533 | |
11534 | /* Restore device state from PCI config space */ | |
11535 | pci_set_power_state(pdev, PCI_D0); | |
11536 | pci_restore_state(pdev); | |
1dfb5a47 JS |
11537 | |
11538 | /* | |
11539 | * As the new kernel behavior of pci_restore_state() API call clears | |
11540 | * device saved_state flag, need to save the restored state again. | |
11541 | */ | |
11542 | pci_save_state(pdev); | |
11543 | ||
3a55b532 JS |
11544 | if (pdev->is_busmaster) |
11545 | pci_set_master(pdev); | |
11546 | ||
da0436e9 | 11547 | /* Startup the kernel thread for this host adapter. */ |
3a55b532 JS |
11548 | phba->worker_thread = kthread_run(lpfc_do_work, phba, |
11549 | "lpfc_worker_%d", phba->brd_no); | |
11550 | if (IS_ERR(phba->worker_thread)) { | |
11551 | error = PTR_ERR(phba->worker_thread); | |
11552 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 11553 | "0293 PM resume failed to start worker " |
3a55b532 JS |
11554 | "thread: error=x%x.\n", error); |
11555 | return error; | |
11556 | } | |
11557 | ||
5b75da2f | 11558 | /* Configure and enable interrupt */ |
da0436e9 | 11559 | intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); |
5b75da2f | 11560 | if (intr_mode == LPFC_INTR_ERROR) { |
3a55b532 | 11561 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
da0436e9 | 11562 | "0294 PM resume Failed to enable interrupt\n"); |
5b75da2f JS |
11563 | return -EIO; |
11564 | } else | |
11565 | phba->intr_mode = intr_mode; | |
3a55b532 JS |
11566 | |
11567 | /* Restart HBA and bring it online */ | |
11568 | lpfc_sli_brdrestart(phba); | |
11569 | lpfc_online(phba); | |
11570 | ||
5b75da2f JS |
11571 | /* Log the current active interrupt mode */ |
11572 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
11573 | ||
3a55b532 JS |
11574 | return 0; |
11575 | } | |
11576 | ||
75baf696 JS |
11577 | /** |
11578 | * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover | |
11579 | * @phba: pointer to lpfc hba data structure. | |
11580 | * | |
11581 | * This routine is called to prepare the SLI4 device for PCI slot recover. It | |
11582 | * aborts all the outstanding SCSI I/Os to the pci device. | |
11583 | **/ | |
11584 | static void | |
11585 | lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba) | |
11586 | { | |
75baf696 JS |
11587 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
11588 | "2828 PCI channel I/O abort preparing for recovery\n"); | |
11589 | /* | |
11590 | * There may be errored I/Os through HBA, abort all I/Os on txcmplq | |
11591 | * and let the SCSI mid-layer to retry them to recover. | |
11592 | */ | |
db55fba8 | 11593 | lpfc_sli_abort_fcp_rings(phba); |
75baf696 JS |
11594 | } |
11595 | ||
11596 | /** | |
11597 | * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset | |
11598 | * @phba: pointer to lpfc hba data structure. | |
11599 | * | |
11600 | * This routine is called to prepare the SLI4 device for PCI slot reset. It | |
11601 | * disables the device interrupt and pci device, and aborts the internal FCP | |
11602 | * pending I/Os. | |
11603 | **/ | |
11604 | static void | |
11605 | lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba) | |
11606 | { | |
11607 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11608 | "2826 PCI channel disable preparing for reset\n"); | |
11609 | ||
11610 | /* Block any management I/Os to the device */ | |
618a5230 | 11611 | lpfc_block_mgmt_io(phba, LPFC_MBX_NO_WAIT); |
75baf696 JS |
11612 | |
11613 | /* Block all SCSI devices' I/Os on the host */ | |
11614 | lpfc_scsi_dev_block(phba); | |
11615 | ||
ea714f3d JS |
11616 | /* Flush all driver's outstanding SCSI I/Os as we are to reset */ |
11617 | lpfc_sli_flush_fcp_rings(phba); | |
11618 | ||
75baf696 JS |
11619 | /* stop all timers */ |
11620 | lpfc_stop_hba_timers(phba); | |
11621 | ||
11622 | /* Disable interrupt and pci device */ | |
11623 | lpfc_sli4_disable_intr(phba); | |
5350d872 | 11624 | lpfc_sli4_queue_destroy(phba); |
75baf696 | 11625 | pci_disable_device(phba->pcidev); |
75baf696 JS |
11626 | } |
11627 | ||
11628 | /** | |
11629 | * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable | |
11630 | * @phba: pointer to lpfc hba data structure. | |
11631 | * | |
11632 | * This routine is called to prepare the SLI4 device for PCI slot permanently | |
11633 | * disabling. It blocks the SCSI transport layer traffic and flushes the FCP | |
11634 | * pending I/Os. | |
11635 | **/ | |
11636 | static void | |
11637 | lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba) | |
11638 | { | |
11639 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11640 | "2827 PCI channel permanent disable for failure\n"); | |
11641 | ||
11642 | /* Block all SCSI devices' I/Os on the host */ | |
11643 | lpfc_scsi_dev_block(phba); | |
11644 | ||
11645 | /* stop all timers */ | |
11646 | lpfc_stop_hba_timers(phba); | |
11647 | ||
11648 | /* Clean up all driver's outstanding SCSI I/Os */ | |
11649 | lpfc_sli_flush_fcp_rings(phba); | |
11650 | } | |
11651 | ||
8d63f375 | 11652 | /** |
da0436e9 | 11653 | * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device |
e59058c4 JS |
11654 | * @pdev: pointer to PCI device. |
11655 | * @state: the current PCI connection state. | |
8d63f375 | 11656 | * |
da0436e9 JS |
11657 | * This routine is called from the PCI subsystem for error handling to device |
11658 | * with SLI-4 interface spec. This function is called by the PCI subsystem | |
11659 | * after a PCI bus error affecting this device has been detected. When this | |
11660 | * function is invoked, it will need to stop all the I/Os and interrupt(s) | |
11661 | * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET | |
11662 | * for the PCI subsystem to perform proper recovery as desired. | |
e59058c4 JS |
11663 | * |
11664 | * Return codes | |
3772a991 JS |
11665 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery |
11666 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
e59058c4 | 11667 | **/ |
3772a991 | 11668 | static pci_ers_result_t |
da0436e9 | 11669 | lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state) |
8d63f375 | 11670 | { |
75baf696 JS |
11671 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
11672 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
11673 | ||
11674 | switch (state) { | |
11675 | case pci_channel_io_normal: | |
11676 | /* Non-fatal error, prepare for recovery */ | |
11677 | lpfc_sli4_prep_dev_for_recover(phba); | |
11678 | return PCI_ERS_RESULT_CAN_RECOVER; | |
11679 | case pci_channel_io_frozen: | |
11680 | /* Fatal error, prepare for slot reset */ | |
11681 | lpfc_sli4_prep_dev_for_reset(phba); | |
11682 | return PCI_ERS_RESULT_NEED_RESET; | |
11683 | case pci_channel_io_perm_failure: | |
11684 | /* Permanent failure, prepare for device down */ | |
11685 | lpfc_sli4_prep_dev_for_perm_failure(phba); | |
11686 | return PCI_ERS_RESULT_DISCONNECT; | |
11687 | default: | |
11688 | /* Unknown state, prepare and request slot reset */ | |
11689 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11690 | "2825 Unknown PCI error state: x%x\n", state); | |
11691 | lpfc_sli4_prep_dev_for_reset(phba); | |
11692 | return PCI_ERS_RESULT_NEED_RESET; | |
11693 | } | |
8d63f375 LV |
11694 | } |
11695 | ||
11696 | /** | |
da0436e9 | 11697 | * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch |
e59058c4 JS |
11698 | * @pdev: pointer to PCI device. |
11699 | * | |
da0436e9 JS |
11700 | * This routine is called from the PCI subsystem for error handling to device |
11701 | * with SLI-4 interface spec. It is called after PCI bus has been reset to | |
11702 | * restart the PCI card from scratch, as if from a cold-boot. During the | |
11703 | * PCI subsystem error recovery, after the driver returns | |
3772a991 | 11704 | * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error |
da0436e9 JS |
11705 | * recovery and then call this routine before calling the .resume method to |
11706 | * recover the device. This function will initialize the HBA device, enable | |
11707 | * the interrupt, but it will just put the HBA to offline state without | |
11708 | * passing any I/O traffic. | |
8d63f375 | 11709 | * |
e59058c4 | 11710 | * Return codes |
3772a991 JS |
11711 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered |
11712 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
8d63f375 | 11713 | */ |
3772a991 | 11714 | static pci_ers_result_t |
da0436e9 | 11715 | lpfc_io_slot_reset_s4(struct pci_dev *pdev) |
8d63f375 | 11716 | { |
75baf696 JS |
11717 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
11718 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
11719 | struct lpfc_sli *psli = &phba->sli; | |
11720 | uint32_t intr_mode; | |
11721 | ||
11722 | dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); | |
11723 | if (pci_enable_device_mem(pdev)) { | |
11724 | printk(KERN_ERR "lpfc: Cannot re-enable " | |
11725 | "PCI device after reset.\n"); | |
11726 | return PCI_ERS_RESULT_DISCONNECT; | |
11727 | } | |
11728 | ||
11729 | pci_restore_state(pdev); | |
0a96e975 JS |
11730 | |
11731 | /* | |
11732 | * As the new kernel behavior of pci_restore_state() API call clears | |
11733 | * device saved_state flag, need to save the restored state again. | |
11734 | */ | |
11735 | pci_save_state(pdev); | |
11736 | ||
75baf696 JS |
11737 | if (pdev->is_busmaster) |
11738 | pci_set_master(pdev); | |
11739 | ||
11740 | spin_lock_irq(&phba->hbalock); | |
11741 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; | |
11742 | spin_unlock_irq(&phba->hbalock); | |
11743 | ||
11744 | /* Configure and enable interrupt */ | |
11745 | intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); | |
11746 | if (intr_mode == LPFC_INTR_ERROR) { | |
11747 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11748 | "2824 Cannot re-enable interrupt after " | |
11749 | "slot reset.\n"); | |
11750 | return PCI_ERS_RESULT_DISCONNECT; | |
11751 | } else | |
11752 | phba->intr_mode = intr_mode; | |
11753 | ||
11754 | /* Log the current active interrupt mode */ | |
11755 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
11756 | ||
8d63f375 LV |
11757 | return PCI_ERS_RESULT_RECOVERED; |
11758 | } | |
11759 | ||
11760 | /** | |
da0436e9 | 11761 | * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device |
e59058c4 | 11762 | * @pdev: pointer to PCI device |
8d63f375 | 11763 | * |
3772a991 | 11764 | * This routine is called from the PCI subsystem for error handling to device |
da0436e9 | 11765 | * with SLI-4 interface spec. It is called when kernel error recovery tells |
3772a991 JS |
11766 | * the lpfc driver that it is ok to resume normal PCI operation after PCI bus |
11767 | * error recovery. After this call, traffic can start to flow from this device | |
11768 | * again. | |
da0436e9 | 11769 | **/ |
3772a991 | 11770 | static void |
da0436e9 | 11771 | lpfc_io_resume_s4(struct pci_dev *pdev) |
8d63f375 | 11772 | { |
75baf696 JS |
11773 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
11774 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
11775 | ||
11776 | /* | |
11777 | * In case of slot reset, as function reset is performed through | |
11778 | * mailbox command which needs DMA to be enabled, this operation | |
11779 | * has to be moved to the io resume phase. Taking device offline | |
11780 | * will perform the necessary cleanup. | |
11781 | */ | |
11782 | if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) { | |
11783 | /* Perform device reset */ | |
618a5230 | 11784 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
75baf696 JS |
11785 | lpfc_offline(phba); |
11786 | lpfc_sli_brdrestart(phba); | |
11787 | /* Bring the device back online */ | |
11788 | lpfc_online(phba); | |
11789 | } | |
11790 | ||
11791 | /* Clean up Advanced Error Reporting (AER) if needed */ | |
11792 | if (phba->hba_flag & HBA_AER_ENABLED) | |
11793 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
8d63f375 LV |
11794 | } |
11795 | ||
3772a991 JS |
11796 | /** |
11797 | * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem | |
11798 | * @pdev: pointer to PCI device | |
11799 | * @pid: pointer to PCI device identifier | |
11800 | * | |
11801 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
11802 | * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks | |
11803 | * at PCI device-specific information of the device and driver to see if the | |
11804 | * driver state that it can support this kind of device. If the match is | |
11805 | * successful, the driver core invokes this routine. This routine dispatches | |
11806 | * the action to the proper SLI-3 or SLI-4 device probing routine, which will | |
11807 | * do all the initialization that it needs to do to handle the HBA device | |
11808 | * properly. | |
11809 | * | |
11810 | * Return code | |
11811 | * 0 - driver can claim the device | |
11812 | * negative value - driver can not claim the device | |
11813 | **/ | |
6f039790 | 11814 | static int |
3772a991 JS |
11815 | lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) |
11816 | { | |
11817 | int rc; | |
8fa38513 | 11818 | struct lpfc_sli_intf intf; |
3772a991 | 11819 | |
28baac74 | 11820 | if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0)) |
3772a991 JS |
11821 | return -ENODEV; |
11822 | ||
8fa38513 | 11823 | if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) && |
28baac74 | 11824 | (bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4)) |
da0436e9 | 11825 | rc = lpfc_pci_probe_one_s4(pdev, pid); |
8fa38513 | 11826 | else |
3772a991 | 11827 | rc = lpfc_pci_probe_one_s3(pdev, pid); |
8fa38513 | 11828 | |
3772a991 JS |
11829 | return rc; |
11830 | } | |
11831 | ||
11832 | /** | |
11833 | * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem | |
11834 | * @pdev: pointer to PCI device | |
11835 | * | |
11836 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
11837 | * Emulex HBA is removed from PCI bus, the driver core invokes this routine. | |
11838 | * This routine dispatches the action to the proper SLI-3 or SLI-4 device | |
11839 | * remove routine, which will perform all the necessary cleanup for the | |
11840 | * device to be removed from the PCI subsystem properly. | |
11841 | **/ | |
6f039790 | 11842 | static void |
3772a991 JS |
11843 | lpfc_pci_remove_one(struct pci_dev *pdev) |
11844 | { | |
11845 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
11846 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
11847 | ||
11848 | switch (phba->pci_dev_grp) { | |
11849 | case LPFC_PCI_DEV_LP: | |
11850 | lpfc_pci_remove_one_s3(pdev); | |
11851 | break; | |
da0436e9 JS |
11852 | case LPFC_PCI_DEV_OC: |
11853 | lpfc_pci_remove_one_s4(pdev); | |
11854 | break; | |
3772a991 JS |
11855 | default: |
11856 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11857 | "1424 Invalid PCI device group: 0x%x\n", | |
11858 | phba->pci_dev_grp); | |
11859 | break; | |
11860 | } | |
11861 | return; | |
11862 | } | |
11863 | ||
11864 | /** | |
11865 | * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management | |
11866 | * @pdev: pointer to PCI device | |
11867 | * @msg: power management message | |
11868 | * | |
11869 | * This routine is to be registered to the kernel's PCI subsystem to support | |
11870 | * system Power Management (PM). When PM invokes this method, it dispatches | |
11871 | * the action to the proper SLI-3 or SLI-4 device suspend routine, which will | |
11872 | * suspend the device. | |
11873 | * | |
11874 | * Return code | |
11875 | * 0 - driver suspended the device | |
11876 | * Error otherwise | |
11877 | **/ | |
11878 | static int | |
11879 | lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg) | |
11880 | { | |
11881 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
11882 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
11883 | int rc = -ENODEV; | |
11884 | ||
11885 | switch (phba->pci_dev_grp) { | |
11886 | case LPFC_PCI_DEV_LP: | |
11887 | rc = lpfc_pci_suspend_one_s3(pdev, msg); | |
11888 | break; | |
da0436e9 JS |
11889 | case LPFC_PCI_DEV_OC: |
11890 | rc = lpfc_pci_suspend_one_s4(pdev, msg); | |
11891 | break; | |
3772a991 JS |
11892 | default: |
11893 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11894 | "1425 Invalid PCI device group: 0x%x\n", | |
11895 | phba->pci_dev_grp); | |
11896 | break; | |
11897 | } | |
11898 | return rc; | |
11899 | } | |
11900 | ||
11901 | /** | |
11902 | * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management | |
11903 | * @pdev: pointer to PCI device | |
11904 | * | |
11905 | * This routine is to be registered to the kernel's PCI subsystem to support | |
11906 | * system Power Management (PM). When PM invokes this method, it dispatches | |
11907 | * the action to the proper SLI-3 or SLI-4 device resume routine, which will | |
11908 | * resume the device. | |
11909 | * | |
11910 | * Return code | |
11911 | * 0 - driver suspended the device | |
11912 | * Error otherwise | |
11913 | **/ | |
11914 | static int | |
11915 | lpfc_pci_resume_one(struct pci_dev *pdev) | |
11916 | { | |
11917 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
11918 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
11919 | int rc = -ENODEV; | |
11920 | ||
11921 | switch (phba->pci_dev_grp) { | |
11922 | case LPFC_PCI_DEV_LP: | |
11923 | rc = lpfc_pci_resume_one_s3(pdev); | |
11924 | break; | |
da0436e9 JS |
11925 | case LPFC_PCI_DEV_OC: |
11926 | rc = lpfc_pci_resume_one_s4(pdev); | |
11927 | break; | |
3772a991 JS |
11928 | default: |
11929 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11930 | "1426 Invalid PCI device group: 0x%x\n", | |
11931 | phba->pci_dev_grp); | |
11932 | break; | |
11933 | } | |
11934 | return rc; | |
11935 | } | |
11936 | ||
11937 | /** | |
11938 | * lpfc_io_error_detected - lpfc method for handling PCI I/O error | |
11939 | * @pdev: pointer to PCI device. | |
11940 | * @state: the current PCI connection state. | |
11941 | * | |
11942 | * This routine is registered to the PCI subsystem for error handling. This | |
11943 | * function is called by the PCI subsystem after a PCI bus error affecting | |
11944 | * this device has been detected. When this routine is invoked, it dispatches | |
11945 | * the action to the proper SLI-3 or SLI-4 device error detected handling | |
11946 | * routine, which will perform the proper error detected operation. | |
11947 | * | |
11948 | * Return codes | |
11949 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery | |
11950 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
11951 | **/ | |
11952 | static pci_ers_result_t | |
11953 | lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
11954 | { | |
11955 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
11956 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
11957 | pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT; | |
11958 | ||
11959 | switch (phba->pci_dev_grp) { | |
11960 | case LPFC_PCI_DEV_LP: | |
11961 | rc = lpfc_io_error_detected_s3(pdev, state); | |
11962 | break; | |
da0436e9 JS |
11963 | case LPFC_PCI_DEV_OC: |
11964 | rc = lpfc_io_error_detected_s4(pdev, state); | |
11965 | break; | |
3772a991 JS |
11966 | default: |
11967 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11968 | "1427 Invalid PCI device group: 0x%x\n", | |
11969 | phba->pci_dev_grp); | |
11970 | break; | |
11971 | } | |
11972 | return rc; | |
11973 | } | |
11974 | ||
11975 | /** | |
11976 | * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch | |
11977 | * @pdev: pointer to PCI device. | |
11978 | * | |
11979 | * This routine is registered to the PCI subsystem for error handling. This | |
11980 | * function is called after PCI bus has been reset to restart the PCI card | |
11981 | * from scratch, as if from a cold-boot. When this routine is invoked, it | |
11982 | * dispatches the action to the proper SLI-3 or SLI-4 device reset handling | |
11983 | * routine, which will perform the proper device reset. | |
11984 | * | |
11985 | * Return codes | |
11986 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered | |
11987 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
11988 | **/ | |
11989 | static pci_ers_result_t | |
11990 | lpfc_io_slot_reset(struct pci_dev *pdev) | |
11991 | { | |
11992 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
11993 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
11994 | pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT; | |
11995 | ||
11996 | switch (phba->pci_dev_grp) { | |
11997 | case LPFC_PCI_DEV_LP: | |
11998 | rc = lpfc_io_slot_reset_s3(pdev); | |
11999 | break; | |
da0436e9 JS |
12000 | case LPFC_PCI_DEV_OC: |
12001 | rc = lpfc_io_slot_reset_s4(pdev); | |
12002 | break; | |
3772a991 JS |
12003 | default: |
12004 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
12005 | "1428 Invalid PCI device group: 0x%x\n", | |
12006 | phba->pci_dev_grp); | |
12007 | break; | |
12008 | } | |
12009 | return rc; | |
12010 | } | |
12011 | ||
12012 | /** | |
12013 | * lpfc_io_resume - lpfc method for resuming PCI I/O operation | |
12014 | * @pdev: pointer to PCI device | |
12015 | * | |
12016 | * This routine is registered to the PCI subsystem for error handling. It | |
12017 | * is called when kernel error recovery tells the lpfc driver that it is | |
12018 | * OK to resume normal PCI operation after PCI bus error recovery. When | |
12019 | * this routine is invoked, it dispatches the action to the proper SLI-3 | |
12020 | * or SLI-4 device io_resume routine, which will resume the device operation. | |
12021 | **/ | |
12022 | static void | |
12023 | lpfc_io_resume(struct pci_dev *pdev) | |
12024 | { | |
12025 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
12026 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
12027 | ||
12028 | switch (phba->pci_dev_grp) { | |
12029 | case LPFC_PCI_DEV_LP: | |
12030 | lpfc_io_resume_s3(pdev); | |
12031 | break; | |
da0436e9 JS |
12032 | case LPFC_PCI_DEV_OC: |
12033 | lpfc_io_resume_s4(pdev); | |
12034 | break; | |
3772a991 JS |
12035 | default: |
12036 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
12037 | "1429 Invalid PCI device group: 0x%x\n", | |
12038 | phba->pci_dev_grp); | |
12039 | break; | |
12040 | } | |
12041 | return; | |
12042 | } | |
12043 | ||
1ba981fd JS |
12044 | /** |
12045 | * lpfc_sli4_oas_verify - Verify OAS is supported by this adapter | |
12046 | * @phba: pointer to lpfc hba data structure. | |
12047 | * | |
12048 | * This routine checks to see if OAS is supported for this adapter. If | |
12049 | * supported, the configure Flash Optimized Fabric flag is set. Otherwise, | |
12050 | * the enable oas flag is cleared and the pool created for OAS device data | |
12051 | * is destroyed. | |
12052 | * | |
12053 | **/ | |
12054 | void | |
12055 | lpfc_sli4_oas_verify(struct lpfc_hba *phba) | |
12056 | { | |
12057 | ||
12058 | if (!phba->cfg_EnableXLane) | |
12059 | return; | |
12060 | ||
12061 | if (phba->sli4_hba.pc_sli4_params.oas_supported) { | |
12062 | phba->cfg_fof = 1; | |
12063 | } else { | |
f38fa0bb | 12064 | phba->cfg_fof = 0; |
1ba981fd JS |
12065 | if (phba->device_data_mem_pool) |
12066 | mempool_destroy(phba->device_data_mem_pool); | |
12067 | phba->device_data_mem_pool = NULL; | |
12068 | } | |
12069 | ||
12070 | return; | |
12071 | } | |
12072 | ||
12073 | /** | |
12074 | * lpfc_fof_queue_setup - Set up all the fof queues | |
12075 | * @phba: pointer to lpfc hba data structure. | |
12076 | * | |
12077 | * This routine is invoked to set up all the fof queues for the FC HBA | |
12078 | * operation. | |
12079 | * | |
12080 | * Return codes | |
12081 | * 0 - successful | |
12082 | * -ENOMEM - No available memory | |
12083 | **/ | |
12084 | int | |
12085 | lpfc_fof_queue_setup(struct lpfc_hba *phba) | |
12086 | { | |
895427bd | 12087 | struct lpfc_sli_ring *pring; |
1ba981fd JS |
12088 | int rc; |
12089 | ||
12090 | rc = lpfc_eq_create(phba, phba->sli4_hba.fof_eq, LPFC_MAX_IMAX); | |
12091 | if (rc) | |
12092 | return -ENOMEM; | |
12093 | ||
f38fa0bb | 12094 | if (phba->cfg_fof) { |
1ba981fd JS |
12095 | |
12096 | rc = lpfc_cq_create(phba, phba->sli4_hba.oas_cq, | |
12097 | phba->sli4_hba.fof_eq, LPFC_WCQ, LPFC_FCP); | |
12098 | if (rc) | |
12099 | goto out_oas_cq; | |
12100 | ||
12101 | rc = lpfc_wq_create(phba, phba->sli4_hba.oas_wq, | |
12102 | phba->sli4_hba.oas_cq, LPFC_FCP); | |
12103 | if (rc) | |
12104 | goto out_oas_wq; | |
12105 | ||
895427bd JS |
12106 | /* Bind this CQ/WQ to the NVME ring */ |
12107 | pring = phba->sli4_hba.oas_wq->pring; | |
12108 | pring->sli.sli4.wqp = | |
12109 | (void *)phba->sli4_hba.oas_wq; | |
12110 | phba->sli4_hba.oas_cq->pring = pring; | |
1ba981fd JS |
12111 | } |
12112 | ||
12113 | return 0; | |
12114 | ||
12115 | out_oas_wq: | |
f38fa0bb | 12116 | lpfc_cq_destroy(phba, phba->sli4_hba.oas_cq); |
1ba981fd JS |
12117 | out_oas_cq: |
12118 | lpfc_eq_destroy(phba, phba->sli4_hba.fof_eq); | |
12119 | return rc; | |
12120 | ||
12121 | } | |
12122 | ||
12123 | /** | |
12124 | * lpfc_fof_queue_create - Create all the fof queues | |
12125 | * @phba: pointer to lpfc hba data structure. | |
12126 | * | |
12127 | * This routine is invoked to allocate all the fof queues for the FC HBA | |
12128 | * operation. For each SLI4 queue type, the parameters such as queue entry | |
12129 | * count (queue depth) shall be taken from the module parameter. For now, | |
12130 | * we just use some constant number as place holder. | |
12131 | * | |
12132 | * Return codes | |
12133 | * 0 - successful | |
12134 | * -ENOMEM - No availble memory | |
12135 | * -EIO - The mailbox failed to complete successfully. | |
12136 | **/ | |
12137 | int | |
12138 | lpfc_fof_queue_create(struct lpfc_hba *phba) | |
12139 | { | |
12140 | struct lpfc_queue *qdesc; | |
7e04e21a | 12141 | uint32_t wqesize; |
1ba981fd JS |
12142 | |
12143 | /* Create FOF EQ */ | |
12144 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize, | |
12145 | phba->sli4_hba.eq_ecount); | |
12146 | if (!qdesc) | |
12147 | goto out_error; | |
12148 | ||
12149 | phba->sli4_hba.fof_eq = qdesc; | |
12150 | ||
f38fa0bb | 12151 | if (phba->cfg_fof) { |
1ba981fd JS |
12152 | |
12153 | /* Create OAS CQ */ | |
12154 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
12155 | phba->sli4_hba.cq_ecount); | |
12156 | if (!qdesc) | |
12157 | goto out_error; | |
12158 | ||
12159 | phba->sli4_hba.oas_cq = qdesc; | |
12160 | ||
12161 | /* Create OAS WQ */ | |
7e04e21a JS |
12162 | wqesize = (phba->fcp_embed_io) ? |
12163 | LPFC_WQE128_SIZE : phba->sli4_hba.wq_esize; | |
12164 | qdesc = lpfc_sli4_queue_alloc(phba, wqesize, | |
1ba981fd | 12165 | phba->sli4_hba.wq_ecount); |
7e04e21a | 12166 | |
1ba981fd JS |
12167 | if (!qdesc) |
12168 | goto out_error; | |
12169 | ||
12170 | phba->sli4_hba.oas_wq = qdesc; | |
895427bd | 12171 | list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list); |
1ba981fd JS |
12172 | |
12173 | } | |
12174 | return 0; | |
12175 | ||
12176 | out_error: | |
12177 | lpfc_fof_queue_destroy(phba); | |
12178 | return -ENOMEM; | |
12179 | } | |
12180 | ||
12181 | /** | |
12182 | * lpfc_fof_queue_destroy - Destroy all the fof queues | |
12183 | * @phba: pointer to lpfc hba data structure. | |
12184 | * | |
12185 | * This routine is invoked to release all the SLI4 queues with the FC HBA | |
12186 | * operation. | |
12187 | * | |
12188 | * Return codes | |
12189 | * 0 - successful | |
12190 | **/ | |
12191 | int | |
12192 | lpfc_fof_queue_destroy(struct lpfc_hba *phba) | |
12193 | { | |
12194 | /* Release FOF Event queue */ | |
12195 | if (phba->sli4_hba.fof_eq != NULL) { | |
12196 | lpfc_sli4_queue_free(phba->sli4_hba.fof_eq); | |
12197 | phba->sli4_hba.fof_eq = NULL; | |
12198 | } | |
12199 | ||
12200 | /* Release OAS Completion queue */ | |
12201 | if (phba->sli4_hba.oas_cq != NULL) { | |
12202 | lpfc_sli4_queue_free(phba->sli4_hba.oas_cq); | |
12203 | phba->sli4_hba.oas_cq = NULL; | |
12204 | } | |
12205 | ||
12206 | /* Release OAS Work queue */ | |
12207 | if (phba->sli4_hba.oas_wq != NULL) { | |
12208 | lpfc_sli4_queue_free(phba->sli4_hba.oas_wq); | |
12209 | phba->sli4_hba.oas_wq = NULL; | |
12210 | } | |
12211 | return 0; | |
12212 | } | |
12213 | ||
dea3101e JB |
12214 | MODULE_DEVICE_TABLE(pci, lpfc_id_table); |
12215 | ||
a55b2d21 | 12216 | static const struct pci_error_handlers lpfc_err_handler = { |
8d63f375 LV |
12217 | .error_detected = lpfc_io_error_detected, |
12218 | .slot_reset = lpfc_io_slot_reset, | |
12219 | .resume = lpfc_io_resume, | |
12220 | }; | |
12221 | ||
dea3101e JB |
12222 | static struct pci_driver lpfc_driver = { |
12223 | .name = LPFC_DRIVER_NAME, | |
12224 | .id_table = lpfc_id_table, | |
12225 | .probe = lpfc_pci_probe_one, | |
6f039790 | 12226 | .remove = lpfc_pci_remove_one, |
85e8a239 | 12227 | .shutdown = lpfc_pci_remove_one, |
3a55b532 | 12228 | .suspend = lpfc_pci_suspend_one, |
3772a991 | 12229 | .resume = lpfc_pci_resume_one, |
2e0fef85 | 12230 | .err_handler = &lpfc_err_handler, |
dea3101e JB |
12231 | }; |
12232 | ||
3ef6d24c | 12233 | static const struct file_operations lpfc_mgmt_fop = { |
858feacd | 12234 | .owner = THIS_MODULE, |
3ef6d24c JS |
12235 | }; |
12236 | ||
12237 | static struct miscdevice lpfc_mgmt_dev = { | |
12238 | .minor = MISC_DYNAMIC_MINOR, | |
12239 | .name = "lpfcmgmt", | |
12240 | .fops = &lpfc_mgmt_fop, | |
12241 | }; | |
12242 | ||
e59058c4 | 12243 | /** |
3621a710 | 12244 | * lpfc_init - lpfc module initialization routine |
e59058c4 JS |
12245 | * |
12246 | * This routine is to be invoked when the lpfc module is loaded into the | |
12247 | * kernel. The special kernel macro module_init() is used to indicate the | |
12248 | * role of this routine to the kernel as lpfc module entry point. | |
12249 | * | |
12250 | * Return codes | |
12251 | * 0 - successful | |
12252 | * -ENOMEM - FC attach transport failed | |
12253 | * all others - failed | |
12254 | */ | |
dea3101e JB |
12255 | static int __init |
12256 | lpfc_init(void) | |
12257 | { | |
12258 | int error = 0; | |
12259 | ||
12260 | printk(LPFC_MODULE_DESC "\n"); | |
c44ce173 | 12261 | printk(LPFC_COPYRIGHT "\n"); |
dea3101e | 12262 | |
3ef6d24c JS |
12263 | error = misc_register(&lpfc_mgmt_dev); |
12264 | if (error) | |
12265 | printk(KERN_ERR "Could not register lpfcmgmt device, " | |
12266 | "misc_register returned with status %d", error); | |
12267 | ||
458c083e JS |
12268 | lpfc_transport_functions.vport_create = lpfc_vport_create; |
12269 | lpfc_transport_functions.vport_delete = lpfc_vport_delete; | |
dea3101e JB |
12270 | lpfc_transport_template = |
12271 | fc_attach_transport(&lpfc_transport_functions); | |
7ee5d43e | 12272 | if (lpfc_transport_template == NULL) |
dea3101e | 12273 | return -ENOMEM; |
458c083e JS |
12274 | lpfc_vport_transport_template = |
12275 | fc_attach_transport(&lpfc_vport_transport_functions); | |
12276 | if (lpfc_vport_transport_template == NULL) { | |
12277 | fc_release_transport(lpfc_transport_template); | |
12278 | return -ENOMEM; | |
7ee5d43e | 12279 | } |
7bb03bbf JS |
12280 | |
12281 | /* Initialize in case vector mapping is needed */ | |
b246de17 | 12282 | lpfc_used_cpu = NULL; |
2ea259ee | 12283 | lpfc_present_cpu = num_present_cpus(); |
7bb03bbf | 12284 | |
dea3101e | 12285 | error = pci_register_driver(&lpfc_driver); |
92d7f7b0 | 12286 | if (error) { |
dea3101e | 12287 | fc_release_transport(lpfc_transport_template); |
458c083e | 12288 | fc_release_transport(lpfc_vport_transport_template); |
92d7f7b0 | 12289 | } |
dea3101e JB |
12290 | |
12291 | return error; | |
12292 | } | |
12293 | ||
e59058c4 | 12294 | /** |
3621a710 | 12295 | * lpfc_exit - lpfc module removal routine |
e59058c4 JS |
12296 | * |
12297 | * This routine is invoked when the lpfc module is removed from the kernel. | |
12298 | * The special kernel macro module_exit() is used to indicate the role of | |
12299 | * this routine to the kernel as lpfc module exit point. | |
12300 | */ | |
dea3101e JB |
12301 | static void __exit |
12302 | lpfc_exit(void) | |
12303 | { | |
3ef6d24c | 12304 | misc_deregister(&lpfc_mgmt_dev); |
dea3101e JB |
12305 | pci_unregister_driver(&lpfc_driver); |
12306 | fc_release_transport(lpfc_transport_template); | |
458c083e | 12307 | fc_release_transport(lpfc_vport_transport_template); |
81301a9b | 12308 | if (_dump_buf_data) { |
6a9c52cf JS |
12309 | printk(KERN_ERR "9062 BLKGRD: freeing %lu pages for " |
12310 | "_dump_buf_data at 0x%p\n", | |
81301a9b JS |
12311 | (1L << _dump_buf_data_order), _dump_buf_data); |
12312 | free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order); | |
12313 | } | |
12314 | ||
12315 | if (_dump_buf_dif) { | |
6a9c52cf JS |
12316 | printk(KERN_ERR "9049 BLKGRD: freeing %lu pages for " |
12317 | "_dump_buf_dif at 0x%p\n", | |
81301a9b JS |
12318 | (1L << _dump_buf_dif_order), _dump_buf_dif); |
12319 | free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order); | |
12320 | } | |
b246de17 | 12321 | kfree(lpfc_used_cpu); |
7973967f | 12322 | idr_destroy(&lpfc_hba_index); |
dea3101e JB |
12323 | } |
12324 | ||
12325 | module_init(lpfc_init); | |
12326 | module_exit(lpfc_exit); | |
12327 | MODULE_LICENSE("GPL"); | |
12328 | MODULE_DESCRIPTION(LPFC_MODULE_DESC); | |
d080abe0 | 12329 | MODULE_AUTHOR("Broadcom"); |
dea3101e | 12330 | MODULE_VERSION("0:" LPFC_DRIVER_VERSION); |