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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> |
dea3101e | 40 | |
91886523 | 41 | #include <scsi/scsi.h> |
dea3101e JB |
42 | #include <scsi/scsi_device.h> |
43 | #include <scsi/scsi_host.h> | |
44 | #include <scsi/scsi_transport_fc.h> | |
86c67379 JS |
45 | #include <scsi/scsi_tcq.h> |
46 | #include <scsi/fc/fc_fs.h> | |
47 | ||
48 | #include <linux/nvme-fc-driver.h> | |
dea3101e | 49 | |
da0436e9 | 50 | #include "lpfc_hw4.h" |
dea3101e JB |
51 | #include "lpfc_hw.h" |
52 | #include "lpfc_sli.h" | |
da0436e9 | 53 | #include "lpfc_sli4.h" |
ea2151b4 | 54 | #include "lpfc_nl.h" |
dea3101e | 55 | #include "lpfc_disc.h" |
dea3101e | 56 | #include "lpfc.h" |
895427bd JS |
57 | #include "lpfc_scsi.h" |
58 | #include "lpfc_nvme.h" | |
86c67379 | 59 | #include "lpfc_nvmet.h" |
dea3101e JB |
60 | #include "lpfc_logmsg.h" |
61 | #include "lpfc_crtn.h" | |
92d7f7b0 | 62 | #include "lpfc_vport.h" |
dea3101e | 63 | #include "lpfc_version.h" |
12f44457 | 64 | #include "lpfc_ids.h" |
dea3101e | 65 | |
81301a9b JS |
66 | char *_dump_buf_data; |
67 | unsigned long _dump_buf_data_order; | |
68 | char *_dump_buf_dif; | |
69 | unsigned long _dump_buf_dif_order; | |
70 | spinlock_t _dump_buf_lock; | |
71 | ||
7bb03bbf | 72 | /* Used when mapping IRQ vectors in a driver centric manner */ |
b246de17 JS |
73 | uint16_t *lpfc_used_cpu; |
74 | uint32_t lpfc_present_cpu; | |
7bb03bbf | 75 | |
dea3101e JB |
76 | static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *); |
77 | static int lpfc_post_rcv_buf(struct lpfc_hba *); | |
5350d872 | 78 | static int lpfc_sli4_queue_verify(struct lpfc_hba *); |
da0436e9 JS |
79 | static int lpfc_create_bootstrap_mbox(struct lpfc_hba *); |
80 | static int lpfc_setup_endian_order(struct lpfc_hba *); | |
da0436e9 | 81 | static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba *); |
8a9d2e80 | 82 | static void lpfc_free_els_sgl_list(struct lpfc_hba *); |
f358dd0c | 83 | static void lpfc_free_nvmet_sgl_list(struct lpfc_hba *); |
8a9d2e80 | 84 | static void lpfc_init_sgl_list(struct lpfc_hba *); |
da0436e9 JS |
85 | static int lpfc_init_active_sgl_array(struct lpfc_hba *); |
86 | static void lpfc_free_active_sgl(struct lpfc_hba *); | |
87 | static int lpfc_hba_down_post_s3(struct lpfc_hba *phba); | |
88 | static int lpfc_hba_down_post_s4(struct lpfc_hba *phba); | |
89 | static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba *); | |
90 | static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *); | |
91 | static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *); | |
618a5230 JS |
92 | static void lpfc_sli4_disable_intr(struct lpfc_hba *); |
93 | static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba *, uint32_t); | |
1ba981fd | 94 | static void lpfc_sli4_oas_verify(struct lpfc_hba *phba); |
dea3101e JB |
95 | |
96 | static struct scsi_transport_template *lpfc_transport_template = NULL; | |
92d7f7b0 | 97 | static struct scsi_transport_template *lpfc_vport_transport_template = NULL; |
dea3101e | 98 | static DEFINE_IDR(lpfc_hba_index); |
f358dd0c | 99 | #define LPFC_NVMET_BUF_POST 254 |
dea3101e | 100 | |
e59058c4 | 101 | /** |
3621a710 | 102 | * lpfc_config_port_prep - Perform lpfc initialization prior to config port |
e59058c4 JS |
103 | * @phba: pointer to lpfc hba data structure. |
104 | * | |
105 | * This routine will do LPFC initialization prior to issuing the CONFIG_PORT | |
106 | * mailbox command. It retrieves the revision information from the HBA and | |
107 | * collects the Vital Product Data (VPD) about the HBA for preparing the | |
108 | * configuration of the HBA. | |
109 | * | |
110 | * Return codes: | |
111 | * 0 - success. | |
112 | * -ERESTART - requests the SLI layer to reset the HBA and try again. | |
113 | * Any other value - indicates an error. | |
114 | **/ | |
dea3101e | 115 | int |
2e0fef85 | 116 | lpfc_config_port_prep(struct lpfc_hba *phba) |
dea3101e JB |
117 | { |
118 | lpfc_vpd_t *vp = &phba->vpd; | |
119 | int i = 0, rc; | |
120 | LPFC_MBOXQ_t *pmb; | |
121 | MAILBOX_t *mb; | |
122 | char *lpfc_vpd_data = NULL; | |
123 | uint16_t offset = 0; | |
124 | static char licensed[56] = | |
125 | "key unlock for use with gnu public licensed code only\0"; | |
65a29c16 | 126 | static int init_key = 1; |
dea3101e JB |
127 | |
128 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
129 | if (!pmb) { | |
2e0fef85 | 130 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
131 | return -ENOMEM; |
132 | } | |
133 | ||
04c68496 | 134 | mb = &pmb->u.mb; |
2e0fef85 | 135 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e JB |
136 | |
137 | if (lpfc_is_LC_HBA(phba->pcidev->device)) { | |
65a29c16 JS |
138 | if (init_key) { |
139 | uint32_t *ptext = (uint32_t *) licensed; | |
dea3101e | 140 | |
65a29c16 JS |
141 | for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) |
142 | *ptext = cpu_to_be32(*ptext); | |
143 | init_key = 0; | |
144 | } | |
dea3101e JB |
145 | |
146 | lpfc_read_nv(phba, pmb); | |
147 | memset((char*)mb->un.varRDnvp.rsvd3, 0, | |
148 | sizeof (mb->un.varRDnvp.rsvd3)); | |
149 | memcpy((char*)mb->un.varRDnvp.rsvd3, licensed, | |
150 | sizeof (licensed)); | |
151 | ||
152 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
153 | ||
154 | if (rc != MBX_SUCCESS) { | |
ed957684 | 155 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
e8b62011 | 156 | "0324 Config Port initialization " |
dea3101e JB |
157 | "error, mbxCmd x%x READ_NVPARM, " |
158 | "mbxStatus x%x\n", | |
dea3101e JB |
159 | mb->mbxCommand, mb->mbxStatus); |
160 | mempool_free(pmb, phba->mbox_mem_pool); | |
161 | return -ERESTART; | |
162 | } | |
163 | memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename, | |
2e0fef85 JS |
164 | sizeof(phba->wwnn)); |
165 | memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname, | |
166 | sizeof(phba->wwpn)); | |
dea3101e JB |
167 | } |
168 | ||
92d7f7b0 JS |
169 | phba->sli3_options = 0x0; |
170 | ||
dea3101e JB |
171 | /* Setup and issue mailbox READ REV command */ |
172 | lpfc_read_rev(phba, pmb); | |
173 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
174 | if (rc != MBX_SUCCESS) { | |
ed957684 | 175 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 176 | "0439 Adapter failed to init, mbxCmd x%x " |
dea3101e | 177 | "READ_REV, mbxStatus x%x\n", |
dea3101e JB |
178 | mb->mbxCommand, mb->mbxStatus); |
179 | mempool_free( pmb, phba->mbox_mem_pool); | |
180 | return -ERESTART; | |
181 | } | |
182 | ||
92d7f7b0 | 183 | |
1de933f3 JSEC |
184 | /* |
185 | * The value of rr must be 1 since the driver set the cv field to 1. | |
186 | * This setting requires the FW to set all revision fields. | |
dea3101e | 187 | */ |
1de933f3 | 188 | if (mb->un.varRdRev.rr == 0) { |
dea3101e | 189 | vp->rev.rBit = 0; |
1de933f3 | 190 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 JS |
191 | "0440 Adapter failed to init, READ_REV has " |
192 | "missing revision information.\n"); | |
dea3101e JB |
193 | mempool_free(pmb, phba->mbox_mem_pool); |
194 | return -ERESTART; | |
dea3101e JB |
195 | } |
196 | ||
495a714c JS |
197 | if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) { |
198 | mempool_free(pmb, phba->mbox_mem_pool); | |
ed957684 | 199 | return -EINVAL; |
495a714c | 200 | } |
ed957684 | 201 | |
dea3101e | 202 | /* Save information as VPD data */ |
1de933f3 | 203 | vp->rev.rBit = 1; |
92d7f7b0 | 204 | memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t)); |
1de933f3 JSEC |
205 | vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; |
206 | memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16); | |
207 | vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; | |
208 | memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16); | |
dea3101e JB |
209 | vp->rev.biuRev = mb->un.varRdRev.biuRev; |
210 | vp->rev.smRev = mb->un.varRdRev.smRev; | |
211 | vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; | |
212 | vp->rev.endecRev = mb->un.varRdRev.endecRev; | |
213 | vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; | |
214 | vp->rev.fcphLow = mb->un.varRdRev.fcphLow; | |
215 | vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; | |
216 | vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; | |
217 | vp->rev.postKernRev = mb->un.varRdRev.postKernRev; | |
218 | vp->rev.opFwRev = mb->un.varRdRev.opFwRev; | |
219 | ||
92d7f7b0 JS |
220 | /* If the sli feature level is less then 9, we must |
221 | * tear down all RPIs and VPIs on link down if NPIV | |
222 | * is enabled. | |
223 | */ | |
224 | if (vp->rev.feaLevelHigh < 9) | |
225 | phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN; | |
226 | ||
dea3101e JB |
227 | if (lpfc_is_LC_HBA(phba->pcidev->device)) |
228 | memcpy(phba->RandomData, (char *)&mb->un.varWords[24], | |
229 | sizeof (phba->RandomData)); | |
230 | ||
dea3101e | 231 | /* Get adapter VPD information */ |
dea3101e JB |
232 | lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); |
233 | if (!lpfc_vpd_data) | |
d7c255b2 | 234 | goto out_free_mbox; |
dea3101e | 235 | do { |
a0c87cbd | 236 | lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD); |
dea3101e JB |
237 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
238 | ||
239 | if (rc != MBX_SUCCESS) { | |
240 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 | 241 | "0441 VPD not present on adapter, " |
dea3101e | 242 | "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", |
dea3101e | 243 | mb->mbxCommand, mb->mbxStatus); |
74b72a59 | 244 | mb->un.varDmp.word_cnt = 0; |
dea3101e | 245 | } |
04c68496 JS |
246 | /* dump mem may return a zero when finished or we got a |
247 | * mailbox error, either way we are done. | |
248 | */ | |
249 | if (mb->un.varDmp.word_cnt == 0) | |
250 | break; | |
74b72a59 JW |
251 | if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset) |
252 | mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset; | |
d7c255b2 JS |
253 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, |
254 | lpfc_vpd_data + offset, | |
92d7f7b0 | 255 | mb->un.varDmp.word_cnt); |
dea3101e | 256 | offset += mb->un.varDmp.word_cnt; |
74b72a59 JW |
257 | } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE); |
258 | lpfc_parse_vpd(phba, lpfc_vpd_data, offset); | |
dea3101e JB |
259 | |
260 | kfree(lpfc_vpd_data); | |
dea3101e JB |
261 | out_free_mbox: |
262 | mempool_free(pmb, phba->mbox_mem_pool); | |
263 | return 0; | |
264 | } | |
265 | ||
e59058c4 | 266 | /** |
3621a710 | 267 | * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd |
e59058c4 JS |
268 | * @phba: pointer to lpfc hba data structure. |
269 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
270 | * | |
271 | * This is the completion handler for driver's configuring asynchronous event | |
272 | * mailbox command to the device. If the mailbox command returns successfully, | |
273 | * it will set internal async event support flag to 1; otherwise, it will | |
274 | * set internal async event support flag to 0. | |
275 | **/ | |
57127f15 JS |
276 | static void |
277 | lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
278 | { | |
04c68496 | 279 | if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS) |
57127f15 JS |
280 | phba->temp_sensor_support = 1; |
281 | else | |
282 | phba->temp_sensor_support = 0; | |
283 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
284 | return; | |
285 | } | |
286 | ||
97207482 | 287 | /** |
3621a710 | 288 | * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler |
97207482 JS |
289 | * @phba: pointer to lpfc hba data structure. |
290 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
291 | * | |
292 | * This is the completion handler for dump mailbox command for getting | |
293 | * wake up parameters. When this command complete, the response contain | |
294 | * Option rom version of the HBA. This function translate the version number | |
295 | * into a human readable string and store it in OptionROMVersion. | |
296 | **/ | |
297 | static void | |
298 | lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) | |
299 | { | |
300 | struct prog_id *prg; | |
301 | uint32_t prog_id_word; | |
302 | char dist = ' '; | |
303 | /* character array used for decoding dist type. */ | |
304 | char dist_char[] = "nabx"; | |
305 | ||
04c68496 | 306 | if (pmboxq->u.mb.mbxStatus != MBX_SUCCESS) { |
9f1e1b50 | 307 | mempool_free(pmboxq, phba->mbox_mem_pool); |
97207482 | 308 | return; |
9f1e1b50 | 309 | } |
97207482 JS |
310 | |
311 | prg = (struct prog_id *) &prog_id_word; | |
312 | ||
313 | /* word 7 contain option rom version */ | |
04c68496 | 314 | prog_id_word = pmboxq->u.mb.un.varWords[7]; |
97207482 JS |
315 | |
316 | /* Decode the Option rom version word to a readable string */ | |
317 | if (prg->dist < 4) | |
318 | dist = dist_char[prg->dist]; | |
319 | ||
320 | if ((prg->dist == 3) && (prg->num == 0)) | |
a2fc4aef | 321 | snprintf(phba->OptionROMVersion, 32, "%d.%d%d", |
97207482 JS |
322 | prg->ver, prg->rev, prg->lev); |
323 | else | |
a2fc4aef | 324 | snprintf(phba->OptionROMVersion, 32, "%d.%d%d%c%d", |
97207482 JS |
325 | prg->ver, prg->rev, prg->lev, |
326 | dist, prg->num); | |
9f1e1b50 | 327 | mempool_free(pmboxq, phba->mbox_mem_pool); |
97207482 JS |
328 | return; |
329 | } | |
330 | ||
0558056c JS |
331 | /** |
332 | * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname, | |
333 | * cfg_soft_wwnn, cfg_soft_wwpn | |
334 | * @vport: pointer to lpfc vport data structure. | |
335 | * | |
336 | * | |
337 | * Return codes | |
338 | * None. | |
339 | **/ | |
340 | void | |
341 | lpfc_update_vport_wwn(struct lpfc_vport *vport) | |
342 | { | |
aeb3c817 JS |
343 | uint8_t vvvl = vport->fc_sparam.cmn.valid_vendor_ver_level; |
344 | u32 *fawwpn_key = (u32 *)&vport->fc_sparam.un.vendorVersion[0]; | |
345 | ||
0558056c JS |
346 | /* If the soft name exists then update it using the service params */ |
347 | if (vport->phba->cfg_soft_wwnn) | |
348 | u64_to_wwn(vport->phba->cfg_soft_wwnn, | |
349 | vport->fc_sparam.nodeName.u.wwn); | |
350 | if (vport->phba->cfg_soft_wwpn) | |
351 | u64_to_wwn(vport->phba->cfg_soft_wwpn, | |
352 | vport->fc_sparam.portName.u.wwn); | |
353 | ||
354 | /* | |
355 | * If the name is empty or there exists a soft name | |
356 | * then copy the service params name, otherwise use the fc name | |
357 | */ | |
358 | if (vport->fc_nodename.u.wwn[0] == 0 || vport->phba->cfg_soft_wwnn) | |
359 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, | |
360 | sizeof(struct lpfc_name)); | |
361 | else | |
362 | memcpy(&vport->fc_sparam.nodeName, &vport->fc_nodename, | |
363 | sizeof(struct lpfc_name)); | |
364 | ||
aeb3c817 JS |
365 | /* |
366 | * If the port name has changed, then set the Param changes flag | |
367 | * to unreg the login | |
368 | */ | |
369 | if (vport->fc_portname.u.wwn[0] != 0 && | |
370 | memcmp(&vport->fc_portname, &vport->fc_sparam.portName, | |
371 | sizeof(struct lpfc_name))) | |
372 | vport->vport_flag |= FAWWPN_PARAM_CHG; | |
373 | ||
374 | if (vport->fc_portname.u.wwn[0] == 0 || | |
375 | vport->phba->cfg_soft_wwpn || | |
376 | (vvvl == 1 && cpu_to_be32(*fawwpn_key) == FAPWWN_KEY_VENDOR) || | |
377 | vport->vport_flag & FAWWPN_SET) { | |
0558056c JS |
378 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, |
379 | sizeof(struct lpfc_name)); | |
aeb3c817 JS |
380 | vport->vport_flag &= ~FAWWPN_SET; |
381 | if (vvvl == 1 && cpu_to_be32(*fawwpn_key) == FAPWWN_KEY_VENDOR) | |
382 | vport->vport_flag |= FAWWPN_SET; | |
383 | } | |
0558056c JS |
384 | else |
385 | memcpy(&vport->fc_sparam.portName, &vport->fc_portname, | |
386 | sizeof(struct lpfc_name)); | |
387 | } | |
388 | ||
e59058c4 | 389 | /** |
3621a710 | 390 | * lpfc_config_port_post - Perform lpfc initialization after config port |
e59058c4 JS |
391 | * @phba: pointer to lpfc hba data structure. |
392 | * | |
393 | * This routine will do LPFC initialization after the CONFIG_PORT mailbox | |
394 | * command call. It performs all internal resource and state setups on the | |
395 | * port: post IOCB buffers, enable appropriate host interrupt attentions, | |
396 | * ELS ring timers, etc. | |
397 | * | |
398 | * Return codes | |
399 | * 0 - success. | |
400 | * Any other value - error. | |
401 | **/ | |
dea3101e | 402 | int |
2e0fef85 | 403 | lpfc_config_port_post(struct lpfc_hba *phba) |
dea3101e | 404 | { |
2e0fef85 | 405 | struct lpfc_vport *vport = phba->pport; |
a257bf90 | 406 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e JB |
407 | LPFC_MBOXQ_t *pmb; |
408 | MAILBOX_t *mb; | |
409 | struct lpfc_dmabuf *mp; | |
410 | struct lpfc_sli *psli = &phba->sli; | |
411 | uint32_t status, timeout; | |
2e0fef85 JS |
412 | int i, j; |
413 | int rc; | |
dea3101e | 414 | |
7af67051 JS |
415 | spin_lock_irq(&phba->hbalock); |
416 | /* | |
417 | * If the Config port completed correctly the HBA is not | |
418 | * over heated any more. | |
419 | */ | |
420 | if (phba->over_temp_state == HBA_OVER_TEMP) | |
421 | phba->over_temp_state = HBA_NORMAL_TEMP; | |
422 | spin_unlock_irq(&phba->hbalock); | |
423 | ||
dea3101e JB |
424 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
425 | if (!pmb) { | |
2e0fef85 | 426 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
427 | return -ENOMEM; |
428 | } | |
04c68496 | 429 | mb = &pmb->u.mb; |
dea3101e | 430 | |
dea3101e | 431 | /* Get login parameters for NID. */ |
9f1177a3 JS |
432 | rc = lpfc_read_sparam(phba, pmb, 0); |
433 | if (rc) { | |
434 | mempool_free(pmb, phba->mbox_mem_pool); | |
435 | return -ENOMEM; | |
436 | } | |
437 | ||
ed957684 | 438 | pmb->vport = vport; |
dea3101e | 439 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 440 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 441 | "0448 Adapter failed init, mbxCmd x%x " |
dea3101e | 442 | "READ_SPARM mbxStatus x%x\n", |
dea3101e | 443 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 444 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 445 | mp = (struct lpfc_dmabuf *) pmb->context1; |
9f1177a3 | 446 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e JB |
447 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
448 | kfree(mp); | |
449 | return -EIO; | |
450 | } | |
451 | ||
452 | mp = (struct lpfc_dmabuf *) pmb->context1; | |
453 | ||
2e0fef85 | 454 | memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); |
dea3101e JB |
455 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
456 | kfree(mp); | |
457 | pmb->context1 = NULL; | |
0558056c | 458 | lpfc_update_vport_wwn(vport); |
a257bf90 JS |
459 | |
460 | /* Update the fc_host data structures with new wwn. */ | |
461 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); | |
462 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
21e9a0a5 | 463 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
a257bf90 | 464 | |
dea3101e JB |
465 | /* If no serial number in VPD data, use low 6 bytes of WWNN */ |
466 | /* This should be consolidated into parse_vpd ? - mr */ | |
467 | if (phba->SerialNumber[0] == 0) { | |
468 | uint8_t *outptr; | |
469 | ||
2e0fef85 | 470 | outptr = &vport->fc_nodename.u.s.IEEE[0]; |
dea3101e JB |
471 | for (i = 0; i < 12; i++) { |
472 | status = *outptr++; | |
473 | j = ((status & 0xf0) >> 4); | |
474 | if (j <= 9) | |
475 | phba->SerialNumber[i] = | |
476 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
477 | else | |
478 | phba->SerialNumber[i] = | |
479 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
480 | i++; | |
481 | j = (status & 0xf); | |
482 | if (j <= 9) | |
483 | phba->SerialNumber[i] = | |
484 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
485 | else | |
486 | phba->SerialNumber[i] = | |
487 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
488 | } | |
489 | } | |
490 | ||
dea3101e | 491 | lpfc_read_config(phba, pmb); |
ed957684 | 492 | pmb->vport = vport; |
dea3101e | 493 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 494 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 495 | "0453 Adapter failed to init, mbxCmd x%x " |
dea3101e | 496 | "READ_CONFIG, mbxStatus x%x\n", |
dea3101e | 497 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 498 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
499 | mempool_free( pmb, phba->mbox_mem_pool); |
500 | return -EIO; | |
501 | } | |
502 | ||
a0c87cbd JS |
503 | /* Check if the port is disabled */ |
504 | lpfc_sli_read_link_ste(phba); | |
505 | ||
dea3101e | 506 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ |
572709e2 JS |
507 | i = (mb->un.varRdConfig.max_xri + 1); |
508 | if (phba->cfg_hba_queue_depth > i) { | |
509 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
510 | "3359 HBA queue depth changed from %d to %d\n", | |
511 | phba->cfg_hba_queue_depth, i); | |
512 | phba->cfg_hba_queue_depth = i; | |
513 | } | |
514 | ||
515 | /* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3) */ | |
516 | i = (mb->un.varRdConfig.max_xri >> 3); | |
517 | if (phba->pport->cfg_lun_queue_depth > i) { | |
518 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
519 | "3360 LUN queue depth changed from %d to %d\n", | |
520 | phba->pport->cfg_lun_queue_depth, i); | |
521 | phba->pport->cfg_lun_queue_depth = i; | |
522 | } | |
dea3101e JB |
523 | |
524 | phba->lmt = mb->un.varRdConfig.lmt; | |
74b72a59 JW |
525 | |
526 | /* Get the default values for Model Name and Description */ | |
527 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
528 | ||
2e0fef85 | 529 | phba->link_state = LPFC_LINK_DOWN; |
dea3101e | 530 | |
0b727fea | 531 | /* Only process IOCBs on ELS ring till hba_state is READY */ |
895427bd JS |
532 | if (psli->sli3_ring[LPFC_EXTRA_RING].sli.sli3.cmdringaddr) |
533 | psli->sli3_ring[LPFC_EXTRA_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
534 | if (psli->sli3_ring[LPFC_FCP_RING].sli.sli3.cmdringaddr) | |
535 | psli->sli3_ring[LPFC_FCP_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
dea3101e JB |
536 | |
537 | /* Post receive buffers for desired rings */ | |
ed957684 JS |
538 | if (phba->sli_rev != 3) |
539 | lpfc_post_rcv_buf(phba); | |
dea3101e | 540 | |
9399627f JS |
541 | /* |
542 | * Configure HBA MSI-X attention conditions to messages if MSI-X mode | |
543 | */ | |
544 | if (phba->intr_type == MSIX) { | |
545 | rc = lpfc_config_msi(phba, pmb); | |
546 | if (rc) { | |
547 | mempool_free(pmb, phba->mbox_mem_pool); | |
548 | return -EIO; | |
549 | } | |
550 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
551 | if (rc != MBX_SUCCESS) { | |
552 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
553 | "0352 Config MSI mailbox command " | |
554 | "failed, mbxCmd x%x, mbxStatus x%x\n", | |
04c68496 JS |
555 | pmb->u.mb.mbxCommand, |
556 | pmb->u.mb.mbxStatus); | |
9399627f JS |
557 | mempool_free(pmb, phba->mbox_mem_pool); |
558 | return -EIO; | |
559 | } | |
560 | } | |
561 | ||
04c68496 | 562 | spin_lock_irq(&phba->hbalock); |
9399627f JS |
563 | /* Initialize ERATT handling flag */ |
564 | phba->hba_flag &= ~HBA_ERATT_HANDLED; | |
565 | ||
dea3101e | 566 | /* Enable appropriate host interrupts */ |
9940b97b JS |
567 | if (lpfc_readl(phba->HCregaddr, &status)) { |
568 | spin_unlock_irq(&phba->hbalock); | |
569 | return -EIO; | |
570 | } | |
dea3101e JB |
571 | status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; |
572 | if (psli->num_rings > 0) | |
573 | status |= HC_R0INT_ENA; | |
574 | if (psli->num_rings > 1) | |
575 | status |= HC_R1INT_ENA; | |
576 | if (psli->num_rings > 2) | |
577 | status |= HC_R2INT_ENA; | |
578 | if (psli->num_rings > 3) | |
579 | status |= HC_R3INT_ENA; | |
580 | ||
875fbdfe JSEC |
581 | if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && |
582 | (phba->cfg_poll & DISABLE_FCP_RING_INT)) | |
9399627f | 583 | status &= ~(HC_R0INT_ENA); |
875fbdfe | 584 | |
dea3101e JB |
585 | writel(status, phba->HCregaddr); |
586 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 587 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 588 | |
9399627f JS |
589 | /* Set up ring-0 (ELS) timer */ |
590 | timeout = phba->fc_ratov * 2; | |
256ec0d0 JS |
591 | mod_timer(&vport->els_tmofunc, |
592 | jiffies + msecs_to_jiffies(1000 * timeout)); | |
9399627f | 593 | /* Set up heart beat (HB) timer */ |
256ec0d0 JS |
594 | mod_timer(&phba->hb_tmofunc, |
595 | jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); | |
858c9f6c JS |
596 | phba->hb_outstanding = 0; |
597 | phba->last_completion_time = jiffies; | |
9399627f | 598 | /* Set up error attention (ERATT) polling timer */ |
256ec0d0 | 599 | mod_timer(&phba->eratt_poll, |
65791f1f | 600 | jiffies + msecs_to_jiffies(1000 * phba->eratt_poll_interval)); |
dea3101e | 601 | |
a0c87cbd JS |
602 | if (phba->hba_flag & LINK_DISABLED) { |
603 | lpfc_printf_log(phba, | |
604 | KERN_ERR, LOG_INIT, | |
605 | "2598 Adapter Link is disabled.\n"); | |
606 | lpfc_down_link(phba, pmb); | |
607 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
608 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
609 | if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) { | |
610 | lpfc_printf_log(phba, | |
611 | KERN_ERR, LOG_INIT, | |
612 | "2599 Adapter failed to issue DOWN_LINK" | |
613 | " mbox command rc 0x%x\n", rc); | |
614 | ||
615 | mempool_free(pmb, phba->mbox_mem_pool); | |
616 | return -EIO; | |
617 | } | |
e40a02c1 | 618 | } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) { |
026abb87 JS |
619 | mempool_free(pmb, phba->mbox_mem_pool); |
620 | rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); | |
621 | if (rc) | |
622 | return rc; | |
dea3101e JB |
623 | } |
624 | /* MBOX buffer will be freed in mbox compl */ | |
57127f15 | 625 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
9f1177a3 JS |
626 | if (!pmb) { |
627 | phba->link_state = LPFC_HBA_ERROR; | |
628 | return -ENOMEM; | |
629 | } | |
630 | ||
57127f15 JS |
631 | lpfc_config_async(phba, pmb, LPFC_ELS_RING); |
632 | pmb->mbox_cmpl = lpfc_config_async_cmpl; | |
633 | pmb->vport = phba->pport; | |
634 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
dea3101e | 635 | |
57127f15 JS |
636 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { |
637 | lpfc_printf_log(phba, | |
638 | KERN_ERR, | |
639 | LOG_INIT, | |
640 | "0456 Adapter failed to issue " | |
e4e74273 | 641 | "ASYNCEVT_ENABLE mbox status x%x\n", |
57127f15 JS |
642 | rc); |
643 | mempool_free(pmb, phba->mbox_mem_pool); | |
644 | } | |
97207482 JS |
645 | |
646 | /* Get Option rom version */ | |
647 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
9f1177a3 JS |
648 | if (!pmb) { |
649 | phba->link_state = LPFC_HBA_ERROR; | |
650 | return -ENOMEM; | |
651 | } | |
652 | ||
97207482 JS |
653 | lpfc_dump_wakeup_param(phba, pmb); |
654 | pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl; | |
655 | pmb->vport = phba->pport; | |
656 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
657 | ||
658 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { | |
659 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed " | |
e4e74273 | 660 | "to get Option ROM version status x%x\n", rc); |
97207482 JS |
661 | mempool_free(pmb, phba->mbox_mem_pool); |
662 | } | |
663 | ||
d7c255b2 | 664 | return 0; |
ce8b3ce5 JS |
665 | } |
666 | ||
84d1b006 JS |
667 | /** |
668 | * lpfc_hba_init_link - Initialize the FC link | |
669 | * @phba: pointer to lpfc hba data structure. | |
6e7288d9 | 670 | * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT |
84d1b006 JS |
671 | * |
672 | * This routine will issue the INIT_LINK mailbox command call. | |
673 | * It is available to other drivers through the lpfc_hba data | |
674 | * structure for use as a delayed link up mechanism with the | |
675 | * module parameter lpfc_suppress_link_up. | |
676 | * | |
677 | * Return code | |
678 | * 0 - success | |
679 | * Any other value - error | |
680 | **/ | |
e399b228 | 681 | static int |
6e7288d9 | 682 | lpfc_hba_init_link(struct lpfc_hba *phba, uint32_t flag) |
1b51197d JS |
683 | { |
684 | return lpfc_hba_init_link_fc_topology(phba, phba->cfg_topology, flag); | |
685 | } | |
686 | ||
687 | /** | |
688 | * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology | |
689 | * @phba: pointer to lpfc hba data structure. | |
690 | * @fc_topology: desired fc topology. | |
691 | * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT | |
692 | * | |
693 | * This routine will issue the INIT_LINK mailbox command call. | |
694 | * It is available to other drivers through the lpfc_hba data | |
695 | * structure for use as a delayed link up mechanism with the | |
696 | * module parameter lpfc_suppress_link_up. | |
697 | * | |
698 | * Return code | |
699 | * 0 - success | |
700 | * Any other value - error | |
701 | **/ | |
702 | int | |
703 | lpfc_hba_init_link_fc_topology(struct lpfc_hba *phba, uint32_t fc_topology, | |
704 | uint32_t flag) | |
84d1b006 JS |
705 | { |
706 | struct lpfc_vport *vport = phba->pport; | |
707 | LPFC_MBOXQ_t *pmb; | |
708 | MAILBOX_t *mb; | |
709 | int rc; | |
710 | ||
711 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
712 | if (!pmb) { | |
713 | phba->link_state = LPFC_HBA_ERROR; | |
714 | return -ENOMEM; | |
715 | } | |
716 | mb = &pmb->u.mb; | |
717 | pmb->vport = vport; | |
718 | ||
026abb87 JS |
719 | if ((phba->cfg_link_speed > LPFC_USER_LINK_SPEED_MAX) || |
720 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_1G) && | |
721 | !(phba->lmt & LMT_1Gb)) || | |
722 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_2G) && | |
723 | !(phba->lmt & LMT_2Gb)) || | |
724 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_4G) && | |
725 | !(phba->lmt & LMT_4Gb)) || | |
726 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_8G) && | |
727 | !(phba->lmt & LMT_8Gb)) || | |
728 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_10G) && | |
729 | !(phba->lmt & LMT_10Gb)) || | |
730 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G) && | |
d38dd52c JS |
731 | !(phba->lmt & LMT_16Gb)) || |
732 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_32G) && | |
733 | !(phba->lmt & LMT_32Gb))) { | |
026abb87 JS |
734 | /* Reset link speed to auto */ |
735 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
736 | "1302 Invalid speed for this board:%d " | |
737 | "Reset link speed to auto.\n", | |
738 | phba->cfg_link_speed); | |
739 | phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO; | |
740 | } | |
1b51197d | 741 | lpfc_init_link(phba, pmb, fc_topology, phba->cfg_link_speed); |
84d1b006 | 742 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
1b51197d JS |
743 | if (phba->sli_rev < LPFC_SLI_REV4) |
744 | lpfc_set_loopback_flag(phba); | |
6e7288d9 | 745 | rc = lpfc_sli_issue_mbox(phba, pmb, flag); |
76a95d75 | 746 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { |
84d1b006 JS |
747 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
748 | "0498 Adapter failed to init, mbxCmd x%x " | |
749 | "INIT_LINK, mbxStatus x%x\n", | |
750 | mb->mbxCommand, mb->mbxStatus); | |
76a95d75 JS |
751 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
752 | /* Clear all interrupt enable conditions */ | |
753 | writel(0, phba->HCregaddr); | |
754 | readl(phba->HCregaddr); /* flush */ | |
755 | /* Clear all pending interrupts */ | |
756 | writel(0xffffffff, phba->HAregaddr); | |
757 | readl(phba->HAregaddr); /* flush */ | |
758 | } | |
84d1b006 | 759 | phba->link_state = LPFC_HBA_ERROR; |
6e7288d9 | 760 | if (rc != MBX_BUSY || flag == MBX_POLL) |
84d1b006 JS |
761 | mempool_free(pmb, phba->mbox_mem_pool); |
762 | return -EIO; | |
763 | } | |
e40a02c1 | 764 | phba->cfg_suppress_link_up = LPFC_INITIALIZE_LINK; |
6e7288d9 JS |
765 | if (flag == MBX_POLL) |
766 | mempool_free(pmb, phba->mbox_mem_pool); | |
84d1b006 JS |
767 | |
768 | return 0; | |
769 | } | |
770 | ||
771 | /** | |
772 | * lpfc_hba_down_link - this routine downs the FC link | |
6e7288d9 JS |
773 | * @phba: pointer to lpfc hba data structure. |
774 | * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT | |
84d1b006 JS |
775 | * |
776 | * This routine will issue the DOWN_LINK mailbox command call. | |
777 | * It is available to other drivers through the lpfc_hba data | |
778 | * structure for use to stop the link. | |
779 | * | |
780 | * Return code | |
781 | * 0 - success | |
782 | * Any other value - error | |
783 | **/ | |
e399b228 | 784 | static int |
6e7288d9 | 785 | lpfc_hba_down_link(struct lpfc_hba *phba, uint32_t flag) |
84d1b006 JS |
786 | { |
787 | LPFC_MBOXQ_t *pmb; | |
788 | int rc; | |
789 | ||
790 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
791 | if (!pmb) { | |
792 | phba->link_state = LPFC_HBA_ERROR; | |
793 | return -ENOMEM; | |
794 | } | |
795 | ||
796 | lpfc_printf_log(phba, | |
797 | KERN_ERR, LOG_INIT, | |
798 | "0491 Adapter Link is disabled.\n"); | |
799 | lpfc_down_link(phba, pmb); | |
800 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
6e7288d9 | 801 | rc = lpfc_sli_issue_mbox(phba, pmb, flag); |
84d1b006 JS |
802 | if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) { |
803 | lpfc_printf_log(phba, | |
804 | KERN_ERR, LOG_INIT, | |
805 | "2522 Adapter failed to issue DOWN_LINK" | |
806 | " mbox command rc 0x%x\n", rc); | |
807 | ||
808 | mempool_free(pmb, phba->mbox_mem_pool); | |
809 | return -EIO; | |
810 | } | |
6e7288d9 JS |
811 | if (flag == MBX_POLL) |
812 | mempool_free(pmb, phba->mbox_mem_pool); | |
813 | ||
84d1b006 JS |
814 | return 0; |
815 | } | |
816 | ||
e59058c4 | 817 | /** |
3621a710 | 818 | * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset |
e59058c4 JS |
819 | * @phba: pointer to lpfc HBA data structure. |
820 | * | |
821 | * This routine will do LPFC uninitialization before the HBA is reset when | |
822 | * bringing down the SLI Layer. | |
823 | * | |
824 | * Return codes | |
825 | * 0 - success. | |
826 | * Any other value - error. | |
827 | **/ | |
dea3101e | 828 | int |
2e0fef85 | 829 | lpfc_hba_down_prep(struct lpfc_hba *phba) |
dea3101e | 830 | { |
1b32f6aa JS |
831 | struct lpfc_vport **vports; |
832 | int i; | |
3772a991 JS |
833 | |
834 | if (phba->sli_rev <= LPFC_SLI_REV3) { | |
835 | /* Disable interrupts */ | |
836 | writel(0, phba->HCregaddr); | |
837 | readl(phba->HCregaddr); /* flush */ | |
838 | } | |
dea3101e | 839 | |
1b32f6aa JS |
840 | if (phba->pport->load_flag & FC_UNLOADING) |
841 | lpfc_cleanup_discovery_resources(phba->pport); | |
842 | else { | |
843 | vports = lpfc_create_vport_work_array(phba); | |
844 | if (vports != NULL) | |
3772a991 JS |
845 | for (i = 0; i <= phba->max_vports && |
846 | vports[i] != NULL; i++) | |
1b32f6aa JS |
847 | lpfc_cleanup_discovery_resources(vports[i]); |
848 | lpfc_destroy_vport_work_array(phba, vports); | |
7f5f3d0d JS |
849 | } |
850 | return 0; | |
dea3101e JB |
851 | } |
852 | ||
68e814f5 JS |
853 | /** |
854 | * lpfc_sli4_free_sp_events - Cleanup sp_queue_events to free | |
855 | * rspiocb which got deferred | |
856 | * | |
857 | * @phba: pointer to lpfc HBA data structure. | |
858 | * | |
859 | * This routine will cleanup completed slow path events after HBA is reset | |
860 | * when bringing down the SLI Layer. | |
861 | * | |
862 | * | |
863 | * Return codes | |
864 | * void. | |
865 | **/ | |
866 | static void | |
867 | lpfc_sli4_free_sp_events(struct lpfc_hba *phba) | |
868 | { | |
869 | struct lpfc_iocbq *rspiocbq; | |
870 | struct hbq_dmabuf *dmabuf; | |
871 | struct lpfc_cq_event *cq_event; | |
872 | ||
873 | spin_lock_irq(&phba->hbalock); | |
874 | phba->hba_flag &= ~HBA_SP_QUEUE_EVT; | |
875 | spin_unlock_irq(&phba->hbalock); | |
876 | ||
877 | while (!list_empty(&phba->sli4_hba.sp_queue_event)) { | |
878 | /* Get the response iocb from the head of work queue */ | |
879 | spin_lock_irq(&phba->hbalock); | |
880 | list_remove_head(&phba->sli4_hba.sp_queue_event, | |
881 | cq_event, struct lpfc_cq_event, list); | |
882 | spin_unlock_irq(&phba->hbalock); | |
883 | ||
884 | switch (bf_get(lpfc_wcqe_c_code, &cq_event->cqe.wcqe_cmpl)) { | |
885 | case CQE_CODE_COMPL_WQE: | |
886 | rspiocbq = container_of(cq_event, struct lpfc_iocbq, | |
887 | cq_event); | |
888 | lpfc_sli_release_iocbq(phba, rspiocbq); | |
889 | break; | |
890 | case CQE_CODE_RECEIVE: | |
891 | case CQE_CODE_RECEIVE_V1: | |
892 | dmabuf = container_of(cq_event, struct hbq_dmabuf, | |
893 | cq_event); | |
894 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
895 | } | |
896 | } | |
897 | } | |
898 | ||
e59058c4 | 899 | /** |
bcece5f5 | 900 | * lpfc_hba_free_post_buf - Perform lpfc uninitialization after HBA reset |
e59058c4 JS |
901 | * @phba: pointer to lpfc HBA data structure. |
902 | * | |
bcece5f5 JS |
903 | * This routine will cleanup posted ELS buffers after the HBA is reset |
904 | * when bringing down the SLI Layer. | |
905 | * | |
e59058c4 JS |
906 | * |
907 | * Return codes | |
bcece5f5 | 908 | * void. |
e59058c4 | 909 | **/ |
bcece5f5 JS |
910 | static void |
911 | lpfc_hba_free_post_buf(struct lpfc_hba *phba) | |
41415862 JW |
912 | { |
913 | struct lpfc_sli *psli = &phba->sli; | |
914 | struct lpfc_sli_ring *pring; | |
915 | struct lpfc_dmabuf *mp, *next_mp; | |
07eab624 JS |
916 | LIST_HEAD(buflist); |
917 | int count; | |
41415862 | 918 | |
92d7f7b0 JS |
919 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) |
920 | lpfc_sli_hbqbuf_free_all(phba); | |
921 | else { | |
922 | /* Cleanup preposted buffers on the ELS ring */ | |
895427bd | 923 | pring = &psli->sli3_ring[LPFC_ELS_RING]; |
07eab624 JS |
924 | spin_lock_irq(&phba->hbalock); |
925 | list_splice_init(&pring->postbufq, &buflist); | |
926 | spin_unlock_irq(&phba->hbalock); | |
927 | ||
928 | count = 0; | |
929 | list_for_each_entry_safe(mp, next_mp, &buflist, list) { | |
92d7f7b0 | 930 | list_del(&mp->list); |
07eab624 | 931 | count++; |
92d7f7b0 JS |
932 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
933 | kfree(mp); | |
934 | } | |
07eab624 JS |
935 | |
936 | spin_lock_irq(&phba->hbalock); | |
937 | pring->postbufq_cnt -= count; | |
bcece5f5 | 938 | spin_unlock_irq(&phba->hbalock); |
41415862 | 939 | } |
bcece5f5 JS |
940 | } |
941 | ||
942 | /** | |
943 | * lpfc_hba_clean_txcmplq - Perform lpfc uninitialization after HBA reset | |
944 | * @phba: pointer to lpfc HBA data structure. | |
945 | * | |
946 | * This routine will cleanup the txcmplq after the HBA is reset when bringing | |
947 | * down the SLI Layer. | |
948 | * | |
949 | * Return codes | |
950 | * void | |
951 | **/ | |
952 | static void | |
953 | lpfc_hba_clean_txcmplq(struct lpfc_hba *phba) | |
954 | { | |
955 | struct lpfc_sli *psli = &phba->sli; | |
895427bd | 956 | struct lpfc_queue *qp = NULL; |
bcece5f5 JS |
957 | struct lpfc_sli_ring *pring; |
958 | LIST_HEAD(completions); | |
959 | int i; | |
960 | ||
895427bd JS |
961 | if (phba->sli_rev != LPFC_SLI_REV4) { |
962 | for (i = 0; i < psli->num_rings; i++) { | |
963 | pring = &psli->sli3_ring[i]; | |
bcece5f5 | 964 | spin_lock_irq(&phba->hbalock); |
895427bd JS |
965 | /* At this point in time the HBA is either reset or DOA |
966 | * Nothing should be on txcmplq as it will | |
967 | * NEVER complete. | |
968 | */ | |
969 | list_splice_init(&pring->txcmplq, &completions); | |
970 | pring->txcmplq_cnt = 0; | |
bcece5f5 | 971 | spin_unlock_irq(&phba->hbalock); |
09372820 | 972 | |
895427bd JS |
973 | lpfc_sli_abort_iocb_ring(phba, pring); |
974 | } | |
a257bf90 | 975 | /* Cancel all the IOCBs from the completions list */ |
895427bd JS |
976 | lpfc_sli_cancel_iocbs(phba, &completions, |
977 | IOSTAT_LOCAL_REJECT, IOERR_SLI_ABORTED); | |
978 | return; | |
979 | } | |
980 | list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { | |
981 | pring = qp->pring; | |
982 | if (!pring) | |
983 | continue; | |
984 | spin_lock_irq(&pring->ring_lock); | |
985 | list_splice_init(&pring->txcmplq, &completions); | |
986 | pring->txcmplq_cnt = 0; | |
987 | spin_unlock_irq(&pring->ring_lock); | |
41415862 JW |
988 | lpfc_sli_abort_iocb_ring(phba, pring); |
989 | } | |
895427bd JS |
990 | /* Cancel all the IOCBs from the completions list */ |
991 | lpfc_sli_cancel_iocbs(phba, &completions, | |
992 | IOSTAT_LOCAL_REJECT, IOERR_SLI_ABORTED); | |
bcece5f5 | 993 | } |
41415862 | 994 | |
bcece5f5 JS |
995 | /** |
996 | * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset | |
997 | int i; | |
998 | * @phba: pointer to lpfc HBA data structure. | |
999 | * | |
1000 | * This routine will do uninitialization after the HBA is reset when bring | |
1001 | * down the SLI Layer. | |
1002 | * | |
1003 | * Return codes | |
1004 | * 0 - success. | |
1005 | * Any other value - error. | |
1006 | **/ | |
1007 | static int | |
1008 | lpfc_hba_down_post_s3(struct lpfc_hba *phba) | |
1009 | { | |
1010 | lpfc_hba_free_post_buf(phba); | |
1011 | lpfc_hba_clean_txcmplq(phba); | |
41415862 JW |
1012 | return 0; |
1013 | } | |
5af5eee7 | 1014 | |
da0436e9 JS |
1015 | /** |
1016 | * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset | |
1017 | * @phba: pointer to lpfc HBA data structure. | |
1018 | * | |
1019 | * This routine will do uninitialization after the HBA is reset when bring | |
1020 | * down the SLI Layer. | |
1021 | * | |
1022 | * Return codes | |
af901ca1 | 1023 | * 0 - success. |
da0436e9 JS |
1024 | * Any other value - error. |
1025 | **/ | |
1026 | static int | |
1027 | lpfc_hba_down_post_s4(struct lpfc_hba *phba) | |
1028 | { | |
1029 | struct lpfc_scsi_buf *psb, *psb_next; | |
86c67379 | 1030 | struct lpfc_nvmet_rcv_ctx *ctxp, *ctxp_next; |
da0436e9 | 1031 | LIST_HEAD(aborts); |
895427bd | 1032 | LIST_HEAD(nvme_aborts); |
86c67379 | 1033 | LIST_HEAD(nvmet_aborts); |
da0436e9 | 1034 | unsigned long iflag = 0; |
0f65ff68 JS |
1035 | struct lpfc_sglq *sglq_entry = NULL; |
1036 | ||
895427bd JS |
1037 | |
1038 | lpfc_sli_hbqbuf_free_all(phba); | |
bcece5f5 JS |
1039 | lpfc_hba_clean_txcmplq(phba); |
1040 | ||
da0436e9 JS |
1041 | /* At this point in time the HBA is either reset or DOA. Either |
1042 | * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be | |
895427bd | 1043 | * on the lpfc_els_sgl_list so that it can either be freed if the |
da0436e9 JS |
1044 | * driver is unloading or reposted if the driver is restarting |
1045 | * the port. | |
1046 | */ | |
895427bd | 1047 | spin_lock_irq(&phba->hbalock); /* required for lpfc_els_sgl_list and */ |
da0436e9 | 1048 | /* scsl_buf_list */ |
895427bd | 1049 | /* sgl_list_lock required because worker thread uses this |
da0436e9 JS |
1050 | * list. |
1051 | */ | |
895427bd | 1052 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
0f65ff68 JS |
1053 | list_for_each_entry(sglq_entry, |
1054 | &phba->sli4_hba.lpfc_abts_els_sgl_list, list) | |
1055 | sglq_entry->state = SGL_FREED; | |
1056 | ||
da0436e9 | 1057 | list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list, |
895427bd JS |
1058 | &phba->sli4_hba.lpfc_els_sgl_list); |
1059 | ||
f358dd0c | 1060 | |
895427bd | 1061 | spin_unlock(&phba->sli4_hba.sgl_list_lock); |
da0436e9 JS |
1062 | /* abts_scsi_buf_list_lock required because worker thread uses this |
1063 | * list. | |
1064 | */ | |
895427bd JS |
1065 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { |
1066 | spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
1067 | list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list, | |
1068 | &aborts); | |
1069 | spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
1070 | } | |
1071 | ||
1072 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { | |
1073 | spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock); | |
1074 | list_splice_init(&phba->sli4_hba.lpfc_abts_nvme_buf_list, | |
1075 | &nvme_aborts); | |
86c67379 JS |
1076 | list_splice_init(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list, |
1077 | &nvmet_aborts); | |
895427bd JS |
1078 | spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); |
1079 | } | |
1080 | ||
da0436e9 JS |
1081 | spin_unlock_irq(&phba->hbalock); |
1082 | ||
1083 | list_for_each_entry_safe(psb, psb_next, &aborts, list) { | |
1084 | psb->pCmd = NULL; | |
1085 | psb->status = IOSTAT_SUCCESS; | |
1086 | } | |
a40fc5f0 JS |
1087 | spin_lock_irqsave(&phba->scsi_buf_list_put_lock, iflag); |
1088 | list_splice(&aborts, &phba->lpfc_scsi_buf_list_put); | |
1089 | spin_unlock_irqrestore(&phba->scsi_buf_list_put_lock, iflag); | |
68e814f5 | 1090 | |
86c67379 JS |
1091 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { |
1092 | list_for_each_entry_safe(psb, psb_next, &nvme_aborts, list) { | |
1093 | psb->pCmd = NULL; | |
1094 | psb->status = IOSTAT_SUCCESS; | |
1095 | } | |
1096 | spin_lock_irqsave(&phba->nvme_buf_list_put_lock, iflag); | |
1097 | list_splice(&nvme_aborts, &phba->lpfc_nvme_buf_list_put); | |
1098 | spin_unlock_irqrestore(&phba->nvme_buf_list_put_lock, iflag); | |
1099 | ||
1100 | list_for_each_entry_safe(ctxp, ctxp_next, &nvmet_aborts, list) { | |
1101 | ctxp->flag &= ~(LPFC_NVMET_XBUSY | LPFC_NVMET_ABORT_OP); | |
6c621a22 | 1102 | lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); |
86c67379 | 1103 | } |
895427bd | 1104 | } |
895427bd | 1105 | |
68e814f5 | 1106 | lpfc_sli4_free_sp_events(phba); |
da0436e9 JS |
1107 | return 0; |
1108 | } | |
1109 | ||
1110 | /** | |
1111 | * lpfc_hba_down_post - Wrapper func for hba down post routine | |
1112 | * @phba: pointer to lpfc HBA data structure. | |
1113 | * | |
1114 | * This routine wraps the actual SLI3 or SLI4 routine for performing | |
1115 | * uninitialization after the HBA is reset when bring down the SLI Layer. | |
1116 | * | |
1117 | * Return codes | |
af901ca1 | 1118 | * 0 - success. |
da0436e9 JS |
1119 | * Any other value - error. |
1120 | **/ | |
1121 | int | |
1122 | lpfc_hba_down_post(struct lpfc_hba *phba) | |
1123 | { | |
1124 | return (*phba->lpfc_hba_down_post)(phba); | |
1125 | } | |
41415862 | 1126 | |
e59058c4 | 1127 | /** |
3621a710 | 1128 | * lpfc_hb_timeout - The HBA-timer timeout handler |
e59058c4 JS |
1129 | * @ptr: unsigned long holds the pointer to lpfc hba data structure. |
1130 | * | |
1131 | * This is the HBA-timer timeout handler registered to the lpfc driver. When | |
1132 | * this timer fires, a HBA timeout event shall be posted to the lpfc driver | |
1133 | * work-port-events bitmap and the worker thread is notified. This timeout | |
1134 | * event will be used by the worker thread to invoke the actual timeout | |
1135 | * handler routine, lpfc_hb_timeout_handler. Any periodical operations will | |
1136 | * be performed in the timeout handler and the HBA timeout event bit shall | |
1137 | * be cleared by the worker thread after it has taken the event bitmap out. | |
1138 | **/ | |
a6ababd2 | 1139 | static void |
858c9f6c JS |
1140 | lpfc_hb_timeout(unsigned long ptr) |
1141 | { | |
1142 | struct lpfc_hba *phba; | |
5e9d9b82 | 1143 | uint32_t tmo_posted; |
858c9f6c JS |
1144 | unsigned long iflag; |
1145 | ||
1146 | phba = (struct lpfc_hba *)ptr; | |
9399627f JS |
1147 | |
1148 | /* Check for heart beat timeout conditions */ | |
858c9f6c | 1149 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); |
5e9d9b82 JS |
1150 | tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO; |
1151 | if (!tmo_posted) | |
858c9f6c JS |
1152 | phba->pport->work_port_events |= WORKER_HB_TMO; |
1153 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
1154 | ||
9399627f | 1155 | /* Tell the worker thread there is work to do */ |
5e9d9b82 JS |
1156 | if (!tmo_posted) |
1157 | lpfc_worker_wake_up(phba); | |
858c9f6c JS |
1158 | return; |
1159 | } | |
1160 | ||
19ca7609 JS |
1161 | /** |
1162 | * lpfc_rrq_timeout - The RRQ-timer timeout handler | |
1163 | * @ptr: unsigned long holds the pointer to lpfc hba data structure. | |
1164 | * | |
1165 | * This is the RRQ-timer timeout handler registered to the lpfc driver. When | |
1166 | * this timer fires, a RRQ timeout event shall be posted to the lpfc driver | |
1167 | * work-port-events bitmap and the worker thread is notified. This timeout | |
1168 | * event will be used by the worker thread to invoke the actual timeout | |
1169 | * handler routine, lpfc_rrq_handler. Any periodical operations will | |
1170 | * be performed in the timeout handler and the RRQ timeout event bit shall | |
1171 | * be cleared by the worker thread after it has taken the event bitmap out. | |
1172 | **/ | |
1173 | static void | |
1174 | lpfc_rrq_timeout(unsigned long ptr) | |
1175 | { | |
1176 | struct lpfc_hba *phba; | |
19ca7609 JS |
1177 | unsigned long iflag; |
1178 | ||
1179 | phba = (struct lpfc_hba *)ptr; | |
1180 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); | |
06918ac5 JS |
1181 | if (!(phba->pport->load_flag & FC_UNLOADING)) |
1182 | phba->hba_flag |= HBA_RRQ_ACTIVE; | |
1183 | else | |
1184 | phba->hba_flag &= ~HBA_RRQ_ACTIVE; | |
19ca7609 | 1185 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); |
06918ac5 JS |
1186 | |
1187 | if (!(phba->pport->load_flag & FC_UNLOADING)) | |
1188 | lpfc_worker_wake_up(phba); | |
19ca7609 JS |
1189 | } |
1190 | ||
e59058c4 | 1191 | /** |
3621a710 | 1192 | * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function |
e59058c4 JS |
1193 | * @phba: pointer to lpfc hba data structure. |
1194 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
1195 | * | |
1196 | * This is the callback function to the lpfc heart-beat mailbox command. | |
1197 | * If configured, the lpfc driver issues the heart-beat mailbox command to | |
1198 | * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the | |
1199 | * heart-beat mailbox command is issued, the driver shall set up heart-beat | |
1200 | * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks | |
1201 | * heart-beat outstanding state. Once the mailbox command comes back and | |
1202 | * no error conditions detected, the heart-beat mailbox command timer is | |
1203 | * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding | |
1204 | * state is cleared for the next heart-beat. If the timer expired with the | |
1205 | * heart-beat outstanding state set, the driver will put the HBA offline. | |
1206 | **/ | |
858c9f6c JS |
1207 | static void |
1208 | lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
1209 | { | |
1210 | unsigned long drvr_flag; | |
1211 | ||
1212 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
1213 | phba->hb_outstanding = 0; | |
1214 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
1215 | ||
9399627f | 1216 | /* Check and reset heart-beat timer is necessary */ |
858c9f6c JS |
1217 | mempool_free(pmboxq, phba->mbox_mem_pool); |
1218 | if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && | |
1219 | !(phba->link_state == LPFC_HBA_ERROR) && | |
51ef4c26 | 1220 | !(phba->pport->load_flag & FC_UNLOADING)) |
858c9f6c | 1221 | mod_timer(&phba->hb_tmofunc, |
256ec0d0 JS |
1222 | jiffies + |
1223 | msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); | |
858c9f6c JS |
1224 | return; |
1225 | } | |
1226 | ||
e59058c4 | 1227 | /** |
3621a710 | 1228 | * lpfc_hb_timeout_handler - The HBA-timer timeout handler |
e59058c4 JS |
1229 | * @phba: pointer to lpfc hba data structure. |
1230 | * | |
1231 | * This is the actual HBA-timer timeout handler to be invoked by the worker | |
1232 | * thread whenever the HBA timer fired and HBA-timeout event posted. This | |
1233 | * handler performs any periodic operations needed for the device. If such | |
1234 | * periodic event has already been attended to either in the interrupt handler | |
1235 | * or by processing slow-ring or fast-ring events within the HBA-timer | |
1236 | * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets | |
1237 | * the timer for the next timeout period. If lpfc heart-beat mailbox command | |
1238 | * is configured and there is no heart-beat mailbox command outstanding, a | |
1239 | * heart-beat mailbox is issued and timer set properly. Otherwise, if there | |
1240 | * has been a heart-beat mailbox command outstanding, the HBA shall be put | |
1241 | * to offline. | |
1242 | **/ | |
858c9f6c JS |
1243 | void |
1244 | lpfc_hb_timeout_handler(struct lpfc_hba *phba) | |
1245 | { | |
45ed1190 | 1246 | struct lpfc_vport **vports; |
858c9f6c | 1247 | LPFC_MBOXQ_t *pmboxq; |
0ff10d46 | 1248 | struct lpfc_dmabuf *buf_ptr; |
45ed1190 | 1249 | int retval, i; |
858c9f6c | 1250 | struct lpfc_sli *psli = &phba->sli; |
0ff10d46 | 1251 | LIST_HEAD(completions); |
0cf07f84 JS |
1252 | struct lpfc_queue *qp; |
1253 | unsigned long time_elapsed; | |
1254 | uint32_t tick_cqe, max_cqe, val; | |
1255 | uint64_t tot, data1, data2, data3; | |
1256 | struct lpfc_register reg_data; | |
1257 | void __iomem *eqdreg = phba->sli4_hba.u.if_type2.EQDregaddr; | |
858c9f6c | 1258 | |
45ed1190 JS |
1259 | vports = lpfc_create_vport_work_array(phba); |
1260 | if (vports != NULL) | |
4258e98e | 1261 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
45ed1190 | 1262 | lpfc_rcv_seq_check_edtov(vports[i]); |
4258e98e JS |
1263 | lpfc_fdmi_num_disc_check(vports[i]); |
1264 | } | |
45ed1190 JS |
1265 | lpfc_destroy_vport_work_array(phba, vports); |
1266 | ||
858c9f6c | 1267 | if ((phba->link_state == LPFC_HBA_ERROR) || |
51ef4c26 | 1268 | (phba->pport->load_flag & FC_UNLOADING) || |
858c9f6c JS |
1269 | (phba->pport->fc_flag & FC_OFFLINE_MODE)) |
1270 | return; | |
1271 | ||
0cf07f84 JS |
1272 | if (phba->cfg_auto_imax) { |
1273 | if (!phba->last_eqdelay_time) { | |
1274 | phba->last_eqdelay_time = jiffies; | |
1275 | goto skip_eqdelay; | |
1276 | } | |
1277 | time_elapsed = jiffies - phba->last_eqdelay_time; | |
1278 | phba->last_eqdelay_time = jiffies; | |
1279 | ||
1280 | tot = 0xffff; | |
1281 | /* Check outstanding IO count */ | |
1282 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { | |
1283 | if (phba->nvmet_support) { | |
966bb5b7 JS |
1284 | spin_lock(&phba->sli4_hba.nvmet_ctx_get_lock); |
1285 | spin_lock(&phba->sli4_hba.nvmet_ctx_put_lock); | |
0cf07f84 | 1286 | tot = phba->sli4_hba.nvmet_xri_cnt - |
966bb5b7 JS |
1287 | (phba->sli4_hba.nvmet_ctx_get_cnt + |
1288 | phba->sli4_hba.nvmet_ctx_put_cnt); | |
1289 | spin_unlock(&phba->sli4_hba.nvmet_ctx_put_lock); | |
1290 | spin_unlock(&phba->sli4_hba.nvmet_ctx_get_lock); | |
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 JS |
3050 | struct lpfc_vport **vports; |
3051 | int i; | |
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); | |
da0436e9 | 3075 | } else { |
895427bd | 3076 | lpfc_sli_queue_init(phba); |
da0436e9 JS |
3077 | if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */ |
3078 | lpfc_unblock_mgmt_io(phba); | |
3079 | return 1; | |
3080 | } | |
46fa311e | 3081 | } |
dea3101e | 3082 | |
549e55cd | 3083 | vports = lpfc_create_vport_work_array(phba); |
aeb6641f | 3084 | if (vports != NULL) { |
da0436e9 | 3085 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd JS |
3086 | struct Scsi_Host *shost; |
3087 | shost = lpfc_shost_from_vport(vports[i]); | |
3088 | spin_lock_irq(shost->host_lock); | |
3089 | vports[i]->fc_flag &= ~FC_OFFLINE_MODE; | |
3090 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
3091 | vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
16a3a208 | 3092 | if (phba->sli_rev == LPFC_SLI_REV4) { |
1c6834a7 | 3093 | vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; |
16a3a208 JS |
3094 | if ((vpis_cleared) && |
3095 | (vports[i]->port_type != | |
3096 | LPFC_PHYSICAL_PORT)) | |
3097 | vports[i]->vpi = 0; | |
3098 | } | |
549e55cd JS |
3099 | spin_unlock_irq(shost->host_lock); |
3100 | } | |
aeb6641f AB |
3101 | } |
3102 | lpfc_destroy_vport_work_array(phba, vports); | |
dea3101e | 3103 | |
46fa311e | 3104 | lpfc_unblock_mgmt_io(phba); |
dea3101e JB |
3105 | return 0; |
3106 | } | |
3107 | ||
e59058c4 | 3108 | /** |
3621a710 | 3109 | * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked |
e59058c4 JS |
3110 | * @phba: pointer to lpfc hba data structure. |
3111 | * | |
3112 | * This routine marks a HBA's management interface as not blocked. Once the | |
3113 | * HBA's management interface is marked as not blocked, all the user space | |
3114 | * access to the HBA, whether they are from sysfs interface or libdfc | |
3115 | * interface will be allowed. The HBA is set to block the management interface | |
3116 | * when the driver prepares the HBA interface for online or offline and then | |
3117 | * set to unblock the management interface afterwards. | |
3118 | **/ | |
46fa311e JS |
3119 | void |
3120 | lpfc_unblock_mgmt_io(struct lpfc_hba * phba) | |
3121 | { | |
3122 | unsigned long iflag; | |
3123 | ||
2e0fef85 JS |
3124 | spin_lock_irqsave(&phba->hbalock, iflag); |
3125 | phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO; | |
3126 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
46fa311e JS |
3127 | } |
3128 | ||
e59058c4 | 3129 | /** |
3621a710 | 3130 | * lpfc_offline_prep - Prepare a HBA to be brought offline |
e59058c4 JS |
3131 | * @phba: pointer to lpfc hba data structure. |
3132 | * | |
3133 | * This routine is invoked to prepare a HBA to be brought offline. It performs | |
3134 | * unregistration login to all the nodes on all vports and flushes the mailbox | |
3135 | * queue to make it ready to be brought offline. | |
3136 | **/ | |
46fa311e | 3137 | void |
618a5230 | 3138 | lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action) |
46fa311e | 3139 | { |
2e0fef85 | 3140 | struct lpfc_vport *vport = phba->pport; |
46fa311e | 3141 | struct lpfc_nodelist *ndlp, *next_ndlp; |
87af33fe | 3142 | struct lpfc_vport **vports; |
72100cc4 | 3143 | struct Scsi_Host *shost; |
87af33fe | 3144 | int i; |
dea3101e | 3145 | |
2e0fef85 | 3146 | if (vport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 3147 | return; |
dea3101e | 3148 | |
618a5230 | 3149 | lpfc_block_mgmt_io(phba, mbx_action); |
dea3101e JB |
3150 | |
3151 | lpfc_linkdown(phba); | |
3152 | ||
87af33fe JS |
3153 | /* Issue an unreg_login to all nodes on all vports */ |
3154 | vports = lpfc_create_vport_work_array(phba); | |
3155 | if (vports != NULL) { | |
da0436e9 | 3156 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
a8adb832 JS |
3157 | if (vports[i]->load_flag & FC_UNLOADING) |
3158 | continue; | |
72100cc4 JS |
3159 | shost = lpfc_shost_from_vport(vports[i]); |
3160 | spin_lock_irq(shost->host_lock); | |
c868595d | 3161 | vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED; |
695a814e JS |
3162 | vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
3163 | vports[i]->fc_flag &= ~FC_VFI_REGISTERED; | |
72100cc4 | 3164 | spin_unlock_irq(shost->host_lock); |
695a814e | 3165 | |
87af33fe JS |
3166 | shost = lpfc_shost_from_vport(vports[i]); |
3167 | list_for_each_entry_safe(ndlp, next_ndlp, | |
3168 | &vports[i]->fc_nodes, | |
3169 | nlp_listp) { | |
e47c9093 JS |
3170 | if (!NLP_CHK_NODE_ACT(ndlp)) |
3171 | continue; | |
87af33fe JS |
3172 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
3173 | continue; | |
3174 | if (ndlp->nlp_type & NLP_FABRIC) { | |
3175 | lpfc_disc_state_machine(vports[i], ndlp, | |
3176 | NULL, NLP_EVT_DEVICE_RECOVERY); | |
3177 | lpfc_disc_state_machine(vports[i], ndlp, | |
3178 | NULL, NLP_EVT_DEVICE_RM); | |
3179 | } | |
3180 | spin_lock_irq(shost->host_lock); | |
3181 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
401ee0c1 | 3182 | spin_unlock_irq(shost->host_lock); |
6b5151fd JS |
3183 | /* |
3184 | * Whenever an SLI4 port goes offline, free the | |
401ee0c1 JS |
3185 | * RPI. Get a new RPI when the adapter port |
3186 | * comes back online. | |
6b5151fd | 3187 | */ |
be6bb941 JS |
3188 | if (phba->sli_rev == LPFC_SLI_REV4) { |
3189 | lpfc_printf_vlog(ndlp->vport, | |
3190 | KERN_INFO, LOG_NODE, | |
3191 | "0011 lpfc_offline: " | |
3192 | "ndlp:x%p did %x " | |
3193 | "usgmap:x%x rpi:%x\n", | |
3194 | ndlp, ndlp->nlp_DID, | |
3195 | ndlp->nlp_usg_map, | |
3196 | ndlp->nlp_rpi); | |
3197 | ||
6b5151fd | 3198 | lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi); |
be6bb941 | 3199 | } |
87af33fe JS |
3200 | lpfc_unreg_rpi(vports[i], ndlp); |
3201 | } | |
3202 | } | |
3203 | } | |
09372820 | 3204 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 3205 | |
618a5230 | 3206 | lpfc_sli_mbox_sys_shutdown(phba, mbx_action); |
46fa311e JS |
3207 | } |
3208 | ||
e59058c4 | 3209 | /** |
3621a710 | 3210 | * lpfc_offline - Bring a HBA offline |
e59058c4 JS |
3211 | * @phba: pointer to lpfc hba data structure. |
3212 | * | |
3213 | * This routine actually brings a HBA offline. It stops all the timers | |
3214 | * associated with the HBA, brings down the SLI layer, and eventually | |
3215 | * marks the HBA as in offline state for the upper layer protocol. | |
3216 | **/ | |
46fa311e | 3217 | void |
2e0fef85 | 3218 | lpfc_offline(struct lpfc_hba *phba) |
46fa311e | 3219 | { |
549e55cd JS |
3220 | struct Scsi_Host *shost; |
3221 | struct lpfc_vport **vports; | |
3222 | int i; | |
46fa311e | 3223 | |
549e55cd | 3224 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 3225 | return; |
688a8863 | 3226 | |
da0436e9 JS |
3227 | /* stop port and all timers associated with this hba */ |
3228 | lpfc_stop_port(phba); | |
4b40d02b DK |
3229 | |
3230 | /* Tear down the local and target port registrations. The | |
3231 | * nvme transports need to cleanup. | |
3232 | */ | |
3233 | lpfc_nvmet_destroy_targetport(phba); | |
3234 | lpfc_nvme_destroy_localport(phba->pport); | |
3235 | ||
51ef4c26 JS |
3236 | vports = lpfc_create_vport_work_array(phba); |
3237 | if (vports != NULL) | |
da0436e9 | 3238 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) |
51ef4c26 | 3239 | lpfc_stop_vport_timers(vports[i]); |
09372820 | 3240 | lpfc_destroy_vport_work_array(phba, vports); |
92d7f7b0 | 3241 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 3242 | "0460 Bring Adapter offline\n"); |
dea3101e JB |
3243 | /* Bring down the SLI Layer and cleanup. The HBA is offline |
3244 | now. */ | |
3245 | lpfc_sli_hba_down(phba); | |
92d7f7b0 | 3246 | spin_lock_irq(&phba->hbalock); |
7054a606 | 3247 | phba->work_ha = 0; |
92d7f7b0 | 3248 | spin_unlock_irq(&phba->hbalock); |
549e55cd JS |
3249 | vports = lpfc_create_vport_work_array(phba); |
3250 | if (vports != NULL) | |
da0436e9 | 3251 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd | 3252 | shost = lpfc_shost_from_vport(vports[i]); |
549e55cd JS |
3253 | spin_lock_irq(shost->host_lock); |
3254 | vports[i]->work_port_events = 0; | |
3255 | vports[i]->fc_flag |= FC_OFFLINE_MODE; | |
3256 | spin_unlock_irq(shost->host_lock); | |
3257 | } | |
09372820 | 3258 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e JB |
3259 | } |
3260 | ||
e59058c4 | 3261 | /** |
3621a710 | 3262 | * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists |
e59058c4 JS |
3263 | * @phba: pointer to lpfc hba data structure. |
3264 | * | |
3265 | * This routine is to free all the SCSI buffers and IOCBs from the driver | |
3266 | * list back to kernel. It is called from lpfc_pci_remove_one to free | |
3267 | * the internal resources before the device is removed from the system. | |
e59058c4 | 3268 | **/ |
8a9d2e80 | 3269 | static void |
2e0fef85 | 3270 | lpfc_scsi_free(struct lpfc_hba *phba) |
dea3101e JB |
3271 | { |
3272 | struct lpfc_scsi_buf *sb, *sb_next; | |
dea3101e | 3273 | |
895427bd JS |
3274 | if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP)) |
3275 | return; | |
3276 | ||
2e0fef85 | 3277 | spin_lock_irq(&phba->hbalock); |
a40fc5f0 | 3278 | |
dea3101e | 3279 | /* Release all the lpfc_scsi_bufs maintained by this host. */ |
a40fc5f0 JS |
3280 | |
3281 | spin_lock(&phba->scsi_buf_list_put_lock); | |
3282 | list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_put, | |
3283 | list) { | |
dea3101e | 3284 | list_del(&sb->list); |
771db5c0 | 3285 | dma_pool_free(phba->lpfc_sg_dma_buf_pool, sb->data, |
92d7f7b0 | 3286 | sb->dma_handle); |
dea3101e JB |
3287 | kfree(sb); |
3288 | phba->total_scsi_bufs--; | |
3289 | } | |
a40fc5f0 JS |
3290 | spin_unlock(&phba->scsi_buf_list_put_lock); |
3291 | ||
3292 | spin_lock(&phba->scsi_buf_list_get_lock); | |
3293 | list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_get, | |
3294 | list) { | |
dea3101e | 3295 | list_del(&sb->list); |
771db5c0 | 3296 | dma_pool_free(phba->lpfc_sg_dma_buf_pool, sb->data, |
92d7f7b0 | 3297 | sb->dma_handle); |
dea3101e JB |
3298 | kfree(sb); |
3299 | phba->total_scsi_bufs--; | |
3300 | } | |
a40fc5f0 | 3301 | spin_unlock(&phba->scsi_buf_list_get_lock); |
2e0fef85 | 3302 | spin_unlock_irq(&phba->hbalock); |
8a9d2e80 | 3303 | } |
895427bd JS |
3304 | /** |
3305 | * lpfc_nvme_free - Free all the NVME buffers and IOCBs from driver lists | |
3306 | * @phba: pointer to lpfc hba data structure. | |
3307 | * | |
3308 | * This routine is to free all the NVME buffers and IOCBs from the driver | |
3309 | * list back to kernel. It is called from lpfc_pci_remove_one to free | |
3310 | * the internal resources before the device is removed from the system. | |
3311 | **/ | |
3312 | static void | |
3313 | lpfc_nvme_free(struct lpfc_hba *phba) | |
3314 | { | |
3315 | struct lpfc_nvme_buf *lpfc_ncmd, *lpfc_ncmd_next; | |
895427bd JS |
3316 | |
3317 | if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) | |
3318 | return; | |
3319 | ||
3320 | spin_lock_irq(&phba->hbalock); | |
3321 | ||
3322 | /* Release all the lpfc_nvme_bufs maintained by this host. */ | |
3323 | spin_lock(&phba->nvme_buf_list_put_lock); | |
3324 | list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, | |
3325 | &phba->lpfc_nvme_buf_list_put, list) { | |
3326 | list_del(&lpfc_ncmd->list); | |
771db5c0 | 3327 | dma_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data, |
895427bd JS |
3328 | lpfc_ncmd->dma_handle); |
3329 | kfree(lpfc_ncmd); | |
3330 | phba->total_nvme_bufs--; | |
3331 | } | |
3332 | spin_unlock(&phba->nvme_buf_list_put_lock); | |
3333 | ||
3334 | spin_lock(&phba->nvme_buf_list_get_lock); | |
3335 | list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, | |
3336 | &phba->lpfc_nvme_buf_list_get, list) { | |
3337 | list_del(&lpfc_ncmd->list); | |
771db5c0 | 3338 | dma_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data, |
895427bd JS |
3339 | lpfc_ncmd->dma_handle); |
3340 | kfree(lpfc_ncmd); | |
3341 | phba->total_nvme_bufs--; | |
3342 | } | |
3343 | spin_unlock(&phba->nvme_buf_list_get_lock); | |
895427bd JS |
3344 | spin_unlock_irq(&phba->hbalock); |
3345 | } | |
8a9d2e80 | 3346 | /** |
895427bd | 3347 | * lpfc_sli4_els_sgl_update - update ELS xri-sgl sizing and mapping |
8a9d2e80 JS |
3348 | * @phba: pointer to lpfc hba data structure. |
3349 | * | |
3350 | * This routine first calculates the sizes of the current els and allocated | |
3351 | * scsi sgl lists, and then goes through all sgls to updates the physical | |
3352 | * XRIs assigned due to port function reset. During port initialization, the | |
3353 | * current els and allocated scsi sgl lists are 0s. | |
3354 | * | |
3355 | * Return codes | |
3356 | * 0 - successful (for now, it always returns 0) | |
3357 | **/ | |
3358 | int | |
895427bd | 3359 | lpfc_sli4_els_sgl_update(struct lpfc_hba *phba) |
8a9d2e80 JS |
3360 | { |
3361 | struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL; | |
895427bd | 3362 | uint16_t i, lxri, xri_cnt, els_xri_cnt; |
8a9d2e80 | 3363 | LIST_HEAD(els_sgl_list); |
8a9d2e80 JS |
3364 | int rc; |
3365 | ||
3366 | /* | |
3367 | * update on pci function's els xri-sgl list | |
3368 | */ | |
3369 | els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); | |
895427bd | 3370 | |
8a9d2e80 JS |
3371 | if (els_xri_cnt > phba->sli4_hba.els_xri_cnt) { |
3372 | /* els xri-sgl expanded */ | |
3373 | xri_cnt = els_xri_cnt - phba->sli4_hba.els_xri_cnt; | |
3374 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3375 | "3157 ELS xri-sgl count increased from " | |
3376 | "%d to %d\n", phba->sli4_hba.els_xri_cnt, | |
3377 | els_xri_cnt); | |
3378 | /* allocate the additional els sgls */ | |
3379 | for (i = 0; i < xri_cnt; i++) { | |
3380 | sglq_entry = kzalloc(sizeof(struct lpfc_sglq), | |
3381 | GFP_KERNEL); | |
3382 | if (sglq_entry == NULL) { | |
3383 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3384 | "2562 Failure to allocate an " | |
3385 | "ELS sgl entry:%d\n", i); | |
3386 | rc = -ENOMEM; | |
3387 | goto out_free_mem; | |
3388 | } | |
3389 | sglq_entry->buff_type = GEN_BUFF_TYPE; | |
3390 | sglq_entry->virt = lpfc_mbuf_alloc(phba, 0, | |
3391 | &sglq_entry->phys); | |
3392 | if (sglq_entry->virt == NULL) { | |
3393 | kfree(sglq_entry); | |
3394 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3395 | "2563 Failure to allocate an " | |
3396 | "ELS mbuf:%d\n", i); | |
3397 | rc = -ENOMEM; | |
3398 | goto out_free_mem; | |
3399 | } | |
3400 | sglq_entry->sgl = sglq_entry->virt; | |
3401 | memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE); | |
3402 | sglq_entry->state = SGL_FREED; | |
3403 | list_add_tail(&sglq_entry->list, &els_sgl_list); | |
3404 | } | |
38c20673 | 3405 | spin_lock_irq(&phba->hbalock); |
895427bd JS |
3406 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
3407 | list_splice_init(&els_sgl_list, | |
3408 | &phba->sli4_hba.lpfc_els_sgl_list); | |
3409 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
38c20673 | 3410 | spin_unlock_irq(&phba->hbalock); |
8a9d2e80 JS |
3411 | } else if (els_xri_cnt < phba->sli4_hba.els_xri_cnt) { |
3412 | /* els xri-sgl shrinked */ | |
3413 | xri_cnt = phba->sli4_hba.els_xri_cnt - els_xri_cnt; | |
3414 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3415 | "3158 ELS xri-sgl count decreased from " | |
3416 | "%d to %d\n", phba->sli4_hba.els_xri_cnt, | |
3417 | els_xri_cnt); | |
3418 | spin_lock_irq(&phba->hbalock); | |
895427bd JS |
3419 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
3420 | list_splice_init(&phba->sli4_hba.lpfc_els_sgl_list, | |
3421 | &els_sgl_list); | |
8a9d2e80 JS |
3422 | /* release extra els sgls from list */ |
3423 | for (i = 0; i < xri_cnt; i++) { | |
3424 | list_remove_head(&els_sgl_list, | |
3425 | sglq_entry, struct lpfc_sglq, list); | |
3426 | if (sglq_entry) { | |
895427bd JS |
3427 | __lpfc_mbuf_free(phba, sglq_entry->virt, |
3428 | sglq_entry->phys); | |
8a9d2e80 JS |
3429 | kfree(sglq_entry); |
3430 | } | |
3431 | } | |
895427bd JS |
3432 | list_splice_init(&els_sgl_list, |
3433 | &phba->sli4_hba.lpfc_els_sgl_list); | |
3434 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
8a9d2e80 JS |
3435 | spin_unlock_irq(&phba->hbalock); |
3436 | } else | |
3437 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3438 | "3163 ELS xri-sgl count unchanged: %d\n", | |
3439 | els_xri_cnt); | |
3440 | phba->sli4_hba.els_xri_cnt = els_xri_cnt; | |
3441 | ||
3442 | /* update xris to els sgls on the list */ | |
3443 | sglq_entry = NULL; | |
3444 | sglq_entry_next = NULL; | |
3445 | list_for_each_entry_safe(sglq_entry, sglq_entry_next, | |
895427bd | 3446 | &phba->sli4_hba.lpfc_els_sgl_list, list) { |
8a9d2e80 JS |
3447 | lxri = lpfc_sli4_next_xritag(phba); |
3448 | if (lxri == NO_XRI) { | |
3449 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3450 | "2400 Failed to allocate xri for " | |
3451 | "ELS sgl\n"); | |
3452 | rc = -ENOMEM; | |
3453 | goto out_free_mem; | |
3454 | } | |
3455 | sglq_entry->sli4_lxritag = lxri; | |
3456 | sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri]; | |
3457 | } | |
895427bd JS |
3458 | return 0; |
3459 | ||
3460 | out_free_mem: | |
3461 | lpfc_free_els_sgl_list(phba); | |
3462 | return rc; | |
3463 | } | |
3464 | ||
f358dd0c JS |
3465 | /** |
3466 | * lpfc_sli4_nvmet_sgl_update - update xri-sgl sizing and mapping | |
3467 | * @phba: pointer to lpfc hba data structure. | |
3468 | * | |
3469 | * This routine first calculates the sizes of the current els and allocated | |
3470 | * scsi sgl lists, and then goes through all sgls to updates the physical | |
3471 | * XRIs assigned due to port function reset. During port initialization, the | |
3472 | * current els and allocated scsi sgl lists are 0s. | |
3473 | * | |
3474 | * Return codes | |
3475 | * 0 - successful (for now, it always returns 0) | |
3476 | **/ | |
3477 | int | |
3478 | lpfc_sli4_nvmet_sgl_update(struct lpfc_hba *phba) | |
3479 | { | |
3480 | struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL; | |
3481 | uint16_t i, lxri, xri_cnt, els_xri_cnt; | |
6c621a22 | 3482 | uint16_t nvmet_xri_cnt; |
f358dd0c JS |
3483 | LIST_HEAD(nvmet_sgl_list); |
3484 | int rc; | |
3485 | ||
3486 | /* | |
3487 | * update on pci function's nvmet xri-sgl list | |
3488 | */ | |
3489 | els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); | |
61f3d4bf | 3490 | |
6c621a22 JS |
3491 | /* For NVMET, ALL remaining XRIs are dedicated for IO processing */ |
3492 | nvmet_xri_cnt = phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt; | |
f358dd0c JS |
3493 | if (nvmet_xri_cnt > phba->sli4_hba.nvmet_xri_cnt) { |
3494 | /* els xri-sgl expanded */ | |
3495 | xri_cnt = nvmet_xri_cnt - phba->sli4_hba.nvmet_xri_cnt; | |
3496 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3497 | "6302 NVMET xri-sgl cnt grew from %d to %d\n", | |
3498 | phba->sli4_hba.nvmet_xri_cnt, nvmet_xri_cnt); | |
3499 | /* allocate the additional nvmet sgls */ | |
3500 | for (i = 0; i < xri_cnt; i++) { | |
3501 | sglq_entry = kzalloc(sizeof(struct lpfc_sglq), | |
3502 | GFP_KERNEL); | |
3503 | if (sglq_entry == NULL) { | |
3504 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3505 | "6303 Failure to allocate an " | |
3506 | "NVMET sgl entry:%d\n", i); | |
3507 | rc = -ENOMEM; | |
3508 | goto out_free_mem; | |
3509 | } | |
3510 | sglq_entry->buff_type = NVMET_BUFF_TYPE; | |
3511 | sglq_entry->virt = lpfc_nvmet_buf_alloc(phba, 0, | |
3512 | &sglq_entry->phys); | |
3513 | if (sglq_entry->virt == NULL) { | |
3514 | kfree(sglq_entry); | |
3515 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3516 | "6304 Failure to allocate an " | |
3517 | "NVMET buf:%d\n", i); | |
3518 | rc = -ENOMEM; | |
3519 | goto out_free_mem; | |
3520 | } | |
3521 | sglq_entry->sgl = sglq_entry->virt; | |
3522 | memset(sglq_entry->sgl, 0, | |
3523 | phba->cfg_sg_dma_buf_size); | |
3524 | sglq_entry->state = SGL_FREED; | |
3525 | list_add_tail(&sglq_entry->list, &nvmet_sgl_list); | |
3526 | } | |
3527 | spin_lock_irq(&phba->hbalock); | |
3528 | spin_lock(&phba->sli4_hba.sgl_list_lock); | |
3529 | list_splice_init(&nvmet_sgl_list, | |
3530 | &phba->sli4_hba.lpfc_nvmet_sgl_list); | |
3531 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
3532 | spin_unlock_irq(&phba->hbalock); | |
3533 | } else if (nvmet_xri_cnt < phba->sli4_hba.nvmet_xri_cnt) { | |
3534 | /* nvmet xri-sgl shrunk */ | |
3535 | xri_cnt = phba->sli4_hba.nvmet_xri_cnt - nvmet_xri_cnt; | |
3536 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3537 | "6305 NVMET xri-sgl count decreased from " | |
3538 | "%d to %d\n", phba->sli4_hba.nvmet_xri_cnt, | |
3539 | nvmet_xri_cnt); | |
3540 | spin_lock_irq(&phba->hbalock); | |
3541 | spin_lock(&phba->sli4_hba.sgl_list_lock); | |
3542 | list_splice_init(&phba->sli4_hba.lpfc_nvmet_sgl_list, | |
3543 | &nvmet_sgl_list); | |
3544 | /* release extra nvmet sgls from list */ | |
3545 | for (i = 0; i < xri_cnt; i++) { | |
3546 | list_remove_head(&nvmet_sgl_list, | |
3547 | sglq_entry, struct lpfc_sglq, list); | |
3548 | if (sglq_entry) { | |
3549 | lpfc_nvmet_buf_free(phba, sglq_entry->virt, | |
3550 | sglq_entry->phys); | |
3551 | kfree(sglq_entry); | |
3552 | } | |
3553 | } | |
3554 | list_splice_init(&nvmet_sgl_list, | |
3555 | &phba->sli4_hba.lpfc_nvmet_sgl_list); | |
3556 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
3557 | spin_unlock_irq(&phba->hbalock); | |
3558 | } else | |
3559 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3560 | "6306 NVMET xri-sgl count unchanged: %d\n", | |
3561 | nvmet_xri_cnt); | |
3562 | phba->sli4_hba.nvmet_xri_cnt = nvmet_xri_cnt; | |
3563 | ||
3564 | /* update xris to nvmet sgls on the list */ | |
3565 | sglq_entry = NULL; | |
3566 | sglq_entry_next = NULL; | |
3567 | list_for_each_entry_safe(sglq_entry, sglq_entry_next, | |
3568 | &phba->sli4_hba.lpfc_nvmet_sgl_list, list) { | |
3569 | lxri = lpfc_sli4_next_xritag(phba); | |
3570 | if (lxri == NO_XRI) { | |
3571 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3572 | "6307 Failed to allocate xri for " | |
3573 | "NVMET sgl\n"); | |
3574 | rc = -ENOMEM; | |
3575 | goto out_free_mem; | |
3576 | } | |
3577 | sglq_entry->sli4_lxritag = lxri; | |
3578 | sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri]; | |
3579 | } | |
3580 | return 0; | |
3581 | ||
3582 | out_free_mem: | |
3583 | lpfc_free_nvmet_sgl_list(phba); | |
3584 | return rc; | |
3585 | } | |
3586 | ||
895427bd JS |
3587 | /** |
3588 | * lpfc_sli4_scsi_sgl_update - update xri-sgl sizing and mapping | |
3589 | * @phba: pointer to lpfc hba data structure. | |
3590 | * | |
3591 | * This routine first calculates the sizes of the current els and allocated | |
3592 | * scsi sgl lists, and then goes through all sgls to updates the physical | |
3593 | * XRIs assigned due to port function reset. During port initialization, the | |
3594 | * current els and allocated scsi sgl lists are 0s. | |
3595 | * | |
3596 | * Return codes | |
3597 | * 0 - successful (for now, it always returns 0) | |
3598 | **/ | |
3599 | int | |
3600 | lpfc_sli4_scsi_sgl_update(struct lpfc_hba *phba) | |
3601 | { | |
3602 | struct lpfc_scsi_buf *psb, *psb_next; | |
3603 | uint16_t i, lxri, els_xri_cnt, scsi_xri_cnt; | |
3604 | LIST_HEAD(scsi_sgl_list); | |
3605 | int rc; | |
8a9d2e80 JS |
3606 | |
3607 | /* | |
895427bd | 3608 | * update on pci function's els xri-sgl list |
8a9d2e80 | 3609 | */ |
895427bd | 3610 | els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); |
8a9d2e80 JS |
3611 | phba->total_scsi_bufs = 0; |
3612 | ||
895427bd JS |
3613 | /* |
3614 | * update on pci function's allocated scsi xri-sgl list | |
3615 | */ | |
8a9d2e80 JS |
3616 | /* maximum number of xris available for scsi buffers */ |
3617 | phba->sli4_hba.scsi_xri_max = phba->sli4_hba.max_cfg_param.max_xri - | |
3618 | els_xri_cnt; | |
3619 | ||
895427bd JS |
3620 | if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP)) |
3621 | return 0; | |
3622 | ||
3623 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) | |
3624 | phba->sli4_hba.scsi_xri_max = /* Split them up */ | |
3625 | (phba->sli4_hba.scsi_xri_max * | |
3626 | phba->cfg_xri_split) / 100; | |
8a9d2e80 | 3627 | |
a40fc5f0 | 3628 | spin_lock_irq(&phba->scsi_buf_list_get_lock); |
164cecd1 | 3629 | spin_lock(&phba->scsi_buf_list_put_lock); |
a40fc5f0 JS |
3630 | list_splice_init(&phba->lpfc_scsi_buf_list_get, &scsi_sgl_list); |
3631 | list_splice(&phba->lpfc_scsi_buf_list_put, &scsi_sgl_list); | |
164cecd1 | 3632 | spin_unlock(&phba->scsi_buf_list_put_lock); |
a40fc5f0 | 3633 | spin_unlock_irq(&phba->scsi_buf_list_get_lock); |
8a9d2e80 | 3634 | |
e8c0a779 JS |
3635 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
3636 | "6060 Current allocated SCSI xri-sgl count:%d, " | |
3637 | "maximum SCSI xri count:%d (split:%d)\n", | |
3638 | phba->sli4_hba.scsi_xri_cnt, | |
3639 | phba->sli4_hba.scsi_xri_max, phba->cfg_xri_split); | |
3640 | ||
8a9d2e80 JS |
3641 | if (phba->sli4_hba.scsi_xri_cnt > phba->sli4_hba.scsi_xri_max) { |
3642 | /* max scsi xri shrinked below the allocated scsi buffers */ | |
3643 | scsi_xri_cnt = phba->sli4_hba.scsi_xri_cnt - | |
3644 | phba->sli4_hba.scsi_xri_max; | |
3645 | /* release the extra allocated scsi buffers */ | |
3646 | for (i = 0; i < scsi_xri_cnt; i++) { | |
3647 | list_remove_head(&scsi_sgl_list, psb, | |
3648 | struct lpfc_scsi_buf, list); | |
a2fc4aef | 3649 | if (psb) { |
771db5c0 | 3650 | dma_pool_free(phba->lpfc_sg_dma_buf_pool, |
a2fc4aef JS |
3651 | psb->data, psb->dma_handle); |
3652 | kfree(psb); | |
3653 | } | |
8a9d2e80 | 3654 | } |
a40fc5f0 | 3655 | spin_lock_irq(&phba->scsi_buf_list_get_lock); |
8a9d2e80 | 3656 | phba->sli4_hba.scsi_xri_cnt -= scsi_xri_cnt; |
a40fc5f0 | 3657 | spin_unlock_irq(&phba->scsi_buf_list_get_lock); |
8a9d2e80 JS |
3658 | } |
3659 | ||
3660 | /* update xris associated to remaining allocated scsi buffers */ | |
3661 | psb = NULL; | |
3662 | psb_next = NULL; | |
3663 | list_for_each_entry_safe(psb, psb_next, &scsi_sgl_list, list) { | |
3664 | lxri = lpfc_sli4_next_xritag(phba); | |
3665 | if (lxri == NO_XRI) { | |
3666 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3667 | "2560 Failed to allocate xri for " | |
3668 | "scsi buffer\n"); | |
3669 | rc = -ENOMEM; | |
3670 | goto out_free_mem; | |
3671 | } | |
3672 | psb->cur_iocbq.sli4_lxritag = lxri; | |
3673 | psb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri]; | |
3674 | } | |
a40fc5f0 | 3675 | spin_lock_irq(&phba->scsi_buf_list_get_lock); |
164cecd1 | 3676 | spin_lock(&phba->scsi_buf_list_put_lock); |
a40fc5f0 JS |
3677 | list_splice_init(&scsi_sgl_list, &phba->lpfc_scsi_buf_list_get); |
3678 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put); | |
164cecd1 | 3679 | spin_unlock(&phba->scsi_buf_list_put_lock); |
a40fc5f0 | 3680 | spin_unlock_irq(&phba->scsi_buf_list_get_lock); |
dea3101e | 3681 | return 0; |
8a9d2e80 JS |
3682 | |
3683 | out_free_mem: | |
8a9d2e80 JS |
3684 | lpfc_scsi_free(phba); |
3685 | return rc; | |
dea3101e JB |
3686 | } |
3687 | ||
96418b5e JS |
3688 | static uint64_t |
3689 | lpfc_get_wwpn(struct lpfc_hba *phba) | |
3690 | { | |
3691 | uint64_t wwn; | |
3692 | int rc; | |
3693 | LPFC_MBOXQ_t *mboxq; | |
3694 | MAILBOX_t *mb; | |
3695 | ||
96418b5e JS |
3696 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, |
3697 | GFP_KERNEL); | |
3698 | if (!mboxq) | |
3699 | return (uint64_t)-1; | |
3700 | ||
3701 | /* First get WWN of HBA instance */ | |
3702 | lpfc_read_nv(phba, mboxq); | |
3703 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
3704 | if (rc != MBX_SUCCESS) { | |
3705 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3706 | "6019 Mailbox failed , mbxCmd x%x " | |
3707 | "READ_NV, mbxStatus x%x\n", | |
3708 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
3709 | bf_get(lpfc_mqe_status, &mboxq->u.mqe)); | |
3710 | mempool_free(mboxq, phba->mbox_mem_pool); | |
3711 | return (uint64_t) -1; | |
3712 | } | |
3713 | mb = &mboxq->u.mb; | |
3714 | memcpy(&wwn, (char *)mb->un.varRDnvp.portname, sizeof(uint64_t)); | |
3715 | /* wwn is WWPN of HBA instance */ | |
3716 | mempool_free(mboxq, phba->mbox_mem_pool); | |
3717 | if (phba->sli_rev == LPFC_SLI_REV4) | |
3718 | return be64_to_cpu(wwn); | |
3719 | else | |
3720 | return (((wwn & 0xffffffff00000000) >> 32) | | |
3721 | ((wwn & 0x00000000ffffffff) << 32)); | |
3722 | ||
3723 | } | |
3724 | ||
895427bd JS |
3725 | /** |
3726 | * lpfc_sli4_nvme_sgl_update - update xri-sgl sizing and mapping | |
3727 | * @phba: pointer to lpfc hba data structure. | |
3728 | * | |
3729 | * This routine first calculates the sizes of the current els and allocated | |
3730 | * scsi sgl lists, and then goes through all sgls to updates the physical | |
3731 | * XRIs assigned due to port function reset. During port initialization, the | |
3732 | * current els and allocated scsi sgl lists are 0s. | |
3733 | * | |
3734 | * Return codes | |
3735 | * 0 - successful (for now, it always returns 0) | |
3736 | **/ | |
3737 | int | |
3738 | lpfc_sli4_nvme_sgl_update(struct lpfc_hba *phba) | |
3739 | { | |
3740 | struct lpfc_nvme_buf *lpfc_ncmd = NULL, *lpfc_ncmd_next = NULL; | |
3741 | uint16_t i, lxri, els_xri_cnt; | |
3742 | uint16_t nvme_xri_cnt, nvme_xri_max; | |
3743 | LIST_HEAD(nvme_sgl_list); | |
3744 | int rc; | |
3745 | ||
3746 | phba->total_nvme_bufs = 0; | |
3747 | ||
3748 | if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) | |
3749 | return 0; | |
3750 | /* | |
3751 | * update on pci function's allocated nvme xri-sgl list | |
3752 | */ | |
3753 | ||
3754 | /* maximum number of xris available for nvme buffers */ | |
3755 | els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); | |
3756 | nvme_xri_max = phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt; | |
3757 | phba->sli4_hba.nvme_xri_max = nvme_xri_max; | |
3758 | phba->sli4_hba.nvme_xri_max -= phba->sli4_hba.scsi_xri_max; | |
3759 | ||
3760 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3761 | "6074 Current allocated NVME xri-sgl count:%d, " | |
3762 | "maximum NVME xri count:%d\n", | |
3763 | phba->sli4_hba.nvme_xri_cnt, | |
3764 | phba->sli4_hba.nvme_xri_max); | |
3765 | ||
3766 | spin_lock_irq(&phba->nvme_buf_list_get_lock); | |
3767 | spin_lock(&phba->nvme_buf_list_put_lock); | |
3768 | list_splice_init(&phba->lpfc_nvme_buf_list_get, &nvme_sgl_list); | |
3769 | list_splice(&phba->lpfc_nvme_buf_list_put, &nvme_sgl_list); | |
3770 | spin_unlock(&phba->nvme_buf_list_put_lock); | |
3771 | spin_unlock_irq(&phba->nvme_buf_list_get_lock); | |
3772 | ||
3773 | if (phba->sli4_hba.nvme_xri_cnt > phba->sli4_hba.nvme_xri_max) { | |
3774 | /* max nvme xri shrunk below the allocated nvme buffers */ | |
3775 | spin_lock_irq(&phba->nvme_buf_list_get_lock); | |
3776 | nvme_xri_cnt = phba->sli4_hba.nvme_xri_cnt - | |
3777 | phba->sli4_hba.nvme_xri_max; | |
3778 | spin_unlock_irq(&phba->nvme_buf_list_get_lock); | |
3779 | /* release the extra allocated nvme buffers */ | |
3780 | for (i = 0; i < nvme_xri_cnt; i++) { | |
3781 | list_remove_head(&nvme_sgl_list, lpfc_ncmd, | |
3782 | struct lpfc_nvme_buf, list); | |
3783 | if (lpfc_ncmd) { | |
771db5c0 | 3784 | dma_pool_free(phba->lpfc_sg_dma_buf_pool, |
895427bd JS |
3785 | lpfc_ncmd->data, |
3786 | lpfc_ncmd->dma_handle); | |
3787 | kfree(lpfc_ncmd); | |
3788 | } | |
3789 | } | |
3790 | spin_lock_irq(&phba->nvme_buf_list_get_lock); | |
3791 | phba->sli4_hba.nvme_xri_cnt -= nvme_xri_cnt; | |
3792 | spin_unlock_irq(&phba->nvme_buf_list_get_lock); | |
3793 | } | |
3794 | ||
3795 | /* update xris associated to remaining allocated nvme buffers */ | |
3796 | lpfc_ncmd = NULL; | |
3797 | lpfc_ncmd_next = NULL; | |
3798 | list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, | |
3799 | &nvme_sgl_list, list) { | |
3800 | lxri = lpfc_sli4_next_xritag(phba); | |
3801 | if (lxri == NO_XRI) { | |
3802 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3803 | "6075 Failed to allocate xri for " | |
3804 | "nvme buffer\n"); | |
3805 | rc = -ENOMEM; | |
3806 | goto out_free_mem; | |
3807 | } | |
3808 | lpfc_ncmd->cur_iocbq.sli4_lxritag = lxri; | |
3809 | lpfc_ncmd->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri]; | |
3810 | } | |
3811 | spin_lock_irq(&phba->nvme_buf_list_get_lock); | |
3812 | spin_lock(&phba->nvme_buf_list_put_lock); | |
3813 | list_splice_init(&nvme_sgl_list, &phba->lpfc_nvme_buf_list_get); | |
3814 | INIT_LIST_HEAD(&phba->lpfc_nvme_buf_list_put); | |
3815 | spin_unlock(&phba->nvme_buf_list_put_lock); | |
3816 | spin_unlock_irq(&phba->nvme_buf_list_get_lock); | |
3817 | return 0; | |
3818 | ||
3819 | out_free_mem: | |
3820 | lpfc_nvme_free(phba); | |
3821 | return rc; | |
3822 | } | |
3823 | ||
e59058c4 | 3824 | /** |
3621a710 | 3825 | * lpfc_create_port - Create an FC port |
e59058c4 JS |
3826 | * @phba: pointer to lpfc hba data structure. |
3827 | * @instance: a unique integer ID to this FC port. | |
3828 | * @dev: pointer to the device data structure. | |
3829 | * | |
3830 | * This routine creates a FC port for the upper layer protocol. The FC port | |
3831 | * can be created on top of either a physical port or a virtual port provided | |
3832 | * by the HBA. This routine also allocates a SCSI host data structure (shost) | |
3833 | * and associates the FC port created before adding the shost into the SCSI | |
3834 | * layer. | |
3835 | * | |
3836 | * Return codes | |
3837 | * @vport - pointer to the virtual N_Port data structure. | |
3838 | * NULL - port create failed. | |
3839 | **/ | |
2e0fef85 | 3840 | struct lpfc_vport * |
3de2a653 | 3841 | lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) |
47a8617c | 3842 | { |
2e0fef85 | 3843 | struct lpfc_vport *vport; |
895427bd | 3844 | struct Scsi_Host *shost = NULL; |
2e0fef85 | 3845 | int error = 0; |
96418b5e JS |
3846 | int i; |
3847 | uint64_t wwn; | |
3848 | bool use_no_reset_hba = false; | |
56bc8028 | 3849 | int rc; |
96418b5e | 3850 | |
56bc8028 JS |
3851 | if (lpfc_no_hba_reset_cnt) { |
3852 | if (phba->sli_rev < LPFC_SLI_REV4 && | |
3853 | dev == &phba->pcidev->dev) { | |
3854 | /* Reset the port first */ | |
3855 | lpfc_sli_brdrestart(phba); | |
3856 | rc = lpfc_sli_chipset_init(phba); | |
3857 | if (rc) | |
3858 | return NULL; | |
3859 | } | |
3860 | wwn = lpfc_get_wwpn(phba); | |
3861 | } | |
96418b5e JS |
3862 | |
3863 | for (i = 0; i < lpfc_no_hba_reset_cnt; i++) { | |
3864 | if (wwn == lpfc_no_hba_reset[i]) { | |
3865 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3866 | "6020 Setting use_no_reset port=%llx\n", | |
3867 | wwn); | |
3868 | use_no_reset_hba = true; | |
3869 | break; | |
3870 | } | |
3871 | } | |
47a8617c | 3872 | |
895427bd JS |
3873 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { |
3874 | if (dev != &phba->pcidev->dev) { | |
3875 | shost = scsi_host_alloc(&lpfc_vport_template, | |
3876 | sizeof(struct lpfc_vport)); | |
3877 | } else { | |
96418b5e | 3878 | if (!use_no_reset_hba) |
895427bd JS |
3879 | shost = scsi_host_alloc(&lpfc_template, |
3880 | sizeof(struct lpfc_vport)); | |
3881 | else | |
96418b5e | 3882 | shost = scsi_host_alloc(&lpfc_template_no_hr, |
895427bd JS |
3883 | sizeof(struct lpfc_vport)); |
3884 | } | |
3885 | } else if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { | |
3886 | shost = scsi_host_alloc(&lpfc_template_nvme, | |
ea4142f6 JS |
3887 | sizeof(struct lpfc_vport)); |
3888 | } | |
2e0fef85 JS |
3889 | if (!shost) |
3890 | goto out; | |
47a8617c | 3891 | |
2e0fef85 JS |
3892 | vport = (struct lpfc_vport *) shost->hostdata; |
3893 | vport->phba = phba; | |
2e0fef85 | 3894 | vport->load_flag |= FC_LOADING; |
92d7f7b0 | 3895 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
7f5f3d0d | 3896 | vport->fc_rscn_flush = 0; |
3de2a653 | 3897 | lpfc_get_vport_cfgparam(vport); |
895427bd | 3898 | |
2e0fef85 JS |
3899 | shost->unique_id = instance; |
3900 | shost->max_id = LPFC_MAX_TARGET; | |
3de2a653 | 3901 | shost->max_lun = vport->cfg_max_luns; |
2e0fef85 JS |
3902 | shost->this_id = -1; |
3903 | shost->max_cmd_len = 16; | |
8b0dff14 | 3904 | shost->nr_hw_queues = phba->cfg_fcp_io_channel; |
da0436e9 | 3905 | if (phba->sli_rev == LPFC_SLI_REV4) { |
28baac74 | 3906 | shost->dma_boundary = |
cb5172ea | 3907 | phba->sli4_hba.pc_sli4_params.sge_supp_len-1; |
da0436e9 JS |
3908 | shost->sg_tablesize = phba->cfg_sg_seg_cnt; |
3909 | } | |
81301a9b | 3910 | |
47a8617c | 3911 | /* |
2e0fef85 JS |
3912 | * Set initial can_queue value since 0 is no longer supported and |
3913 | * scsi_add_host will fail. This will be adjusted later based on the | |
3914 | * max xri value determined in hba setup. | |
47a8617c | 3915 | */ |
2e0fef85 | 3916 | shost->can_queue = phba->cfg_hba_queue_depth - 10; |
3de2a653 | 3917 | if (dev != &phba->pcidev->dev) { |
92d7f7b0 JS |
3918 | shost->transportt = lpfc_vport_transport_template; |
3919 | vport->port_type = LPFC_NPIV_PORT; | |
3920 | } else { | |
3921 | shost->transportt = lpfc_transport_template; | |
3922 | vport->port_type = LPFC_PHYSICAL_PORT; | |
3923 | } | |
47a8617c | 3924 | |
2e0fef85 JS |
3925 | /* Initialize all internally managed lists. */ |
3926 | INIT_LIST_HEAD(&vport->fc_nodes); | |
da0436e9 | 3927 | INIT_LIST_HEAD(&vport->rcv_buffer_list); |
2e0fef85 | 3928 | spin_lock_init(&vport->work_port_lock); |
47a8617c | 3929 | |
33cc559a TJ |
3930 | setup_timer(&vport->fc_disctmo, lpfc_disc_timeout, |
3931 | (unsigned long)vport); | |
47a8617c | 3932 | |
33cc559a TJ |
3933 | setup_timer(&vport->els_tmofunc, lpfc_els_timeout, |
3934 | (unsigned long)vport); | |
92494144 | 3935 | |
33cc559a TJ |
3936 | setup_timer(&vport->delayed_disc_tmo, lpfc_delayed_disc_tmo, |
3937 | (unsigned long)vport); | |
92494144 | 3938 | |
d139b9bd | 3939 | error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev); |
2e0fef85 JS |
3940 | if (error) |
3941 | goto out_put_shost; | |
47a8617c | 3942 | |
549e55cd | 3943 | spin_lock_irq(&phba->hbalock); |
2e0fef85 | 3944 | list_add_tail(&vport->listentry, &phba->port_list); |
549e55cd | 3945 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 3946 | return vport; |
47a8617c | 3947 | |
2e0fef85 JS |
3948 | out_put_shost: |
3949 | scsi_host_put(shost); | |
3950 | out: | |
3951 | return NULL; | |
47a8617c JS |
3952 | } |
3953 | ||
e59058c4 | 3954 | /** |
3621a710 | 3955 | * destroy_port - destroy an FC port |
e59058c4 JS |
3956 | * @vport: pointer to an lpfc virtual N_Port data structure. |
3957 | * | |
3958 | * This routine destroys a FC port from the upper layer protocol. All the | |
3959 | * resources associated with the port are released. | |
3960 | **/ | |
2e0fef85 JS |
3961 | void |
3962 | destroy_port(struct lpfc_vport *vport) | |
47a8617c | 3963 | { |
92d7f7b0 JS |
3964 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3965 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 3966 | |
858c9f6c | 3967 | lpfc_debugfs_terminate(vport); |
92d7f7b0 JS |
3968 | fc_remove_host(shost); |
3969 | scsi_remove_host(shost); | |
47a8617c | 3970 | |
92d7f7b0 JS |
3971 | spin_lock_irq(&phba->hbalock); |
3972 | list_del_init(&vport->listentry); | |
3973 | spin_unlock_irq(&phba->hbalock); | |
47a8617c | 3974 | |
92d7f7b0 | 3975 | lpfc_cleanup(vport); |
47a8617c | 3976 | return; |
47a8617c JS |
3977 | } |
3978 | ||
e59058c4 | 3979 | /** |
3621a710 | 3980 | * lpfc_get_instance - Get a unique integer ID |
e59058c4 JS |
3981 | * |
3982 | * This routine allocates a unique integer ID from lpfc_hba_index pool. It | |
3983 | * uses the kernel idr facility to perform the task. | |
3984 | * | |
3985 | * Return codes: | |
3986 | * instance - a unique integer ID allocated as the new instance. | |
3987 | * -1 - lpfc get instance failed. | |
3988 | **/ | |
92d7f7b0 JS |
3989 | int |
3990 | lpfc_get_instance(void) | |
3991 | { | |
ab516036 TH |
3992 | int ret; |
3993 | ||
3994 | ret = idr_alloc(&lpfc_hba_index, NULL, 0, 0, GFP_KERNEL); | |
3995 | return ret < 0 ? -1 : ret; | |
47a8617c JS |
3996 | } |
3997 | ||
e59058c4 | 3998 | /** |
3621a710 | 3999 | * lpfc_scan_finished - method for SCSI layer to detect whether scan is done |
e59058c4 JS |
4000 | * @shost: pointer to SCSI host data structure. |
4001 | * @time: elapsed time of the scan in jiffies. | |
4002 | * | |
4003 | * This routine is called by the SCSI layer with a SCSI host to determine | |
4004 | * whether the scan host is finished. | |
4005 | * | |
4006 | * Note: there is no scan_start function as adapter initialization will have | |
4007 | * asynchronously kicked off the link initialization. | |
4008 | * | |
4009 | * Return codes | |
4010 | * 0 - SCSI host scan is not over yet. | |
4011 | * 1 - SCSI host scan is over. | |
4012 | **/ | |
47a8617c JS |
4013 | int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) |
4014 | { | |
2e0fef85 JS |
4015 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4016 | struct lpfc_hba *phba = vport->phba; | |
858c9f6c | 4017 | int stat = 0; |
47a8617c | 4018 | |
858c9f6c JS |
4019 | spin_lock_irq(shost->host_lock); |
4020 | ||
51ef4c26 | 4021 | if (vport->load_flag & FC_UNLOADING) { |
858c9f6c JS |
4022 | stat = 1; |
4023 | goto finished; | |
4024 | } | |
256ec0d0 | 4025 | if (time >= msecs_to_jiffies(30 * 1000)) { |
2e0fef85 | 4026 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 JS |
4027 | "0461 Scanning longer than 30 " |
4028 | "seconds. Continuing initialization\n"); | |
858c9f6c | 4029 | stat = 1; |
47a8617c | 4030 | goto finished; |
2e0fef85 | 4031 | } |
256ec0d0 JS |
4032 | if (time >= msecs_to_jiffies(15 * 1000) && |
4033 | phba->link_state <= LPFC_LINK_DOWN) { | |
2e0fef85 | 4034 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 JS |
4035 | "0465 Link down longer than 15 " |
4036 | "seconds. Continuing initialization\n"); | |
858c9f6c | 4037 | stat = 1; |
47a8617c | 4038 | goto finished; |
2e0fef85 | 4039 | } |
47a8617c | 4040 | |
2e0fef85 | 4041 | if (vport->port_state != LPFC_VPORT_READY) |
858c9f6c | 4042 | goto finished; |
2e0fef85 | 4043 | if (vport->num_disc_nodes || vport->fc_prli_sent) |
858c9f6c | 4044 | goto finished; |
256ec0d0 | 4045 | if (vport->fc_map_cnt == 0 && time < msecs_to_jiffies(2 * 1000)) |
858c9f6c | 4046 | goto finished; |
2e0fef85 | 4047 | if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) |
858c9f6c JS |
4048 | goto finished; |
4049 | ||
4050 | stat = 1; | |
47a8617c JS |
4051 | |
4052 | finished: | |
858c9f6c JS |
4053 | spin_unlock_irq(shost->host_lock); |
4054 | return stat; | |
92d7f7b0 | 4055 | } |
47a8617c | 4056 | |
e59058c4 | 4057 | /** |
3621a710 | 4058 | * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port |
e59058c4 JS |
4059 | * @shost: pointer to SCSI host data structure. |
4060 | * | |
4061 | * This routine initializes a given SCSI host attributes on a FC port. The | |
4062 | * SCSI host can be either on top of a physical port or a virtual port. | |
4063 | **/ | |
92d7f7b0 JS |
4064 | void lpfc_host_attrib_init(struct Scsi_Host *shost) |
4065 | { | |
4066 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
4067 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 4068 | /* |
2e0fef85 | 4069 | * Set fixed host attributes. Must done after lpfc_sli_hba_setup(). |
47a8617c JS |
4070 | */ |
4071 | ||
2e0fef85 JS |
4072 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); |
4073 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
47a8617c JS |
4074 | fc_host_supported_classes(shost) = FC_COS_CLASS3; |
4075 | ||
4076 | memset(fc_host_supported_fc4s(shost), 0, | |
2e0fef85 | 4077 | sizeof(fc_host_supported_fc4s(shost))); |
47a8617c JS |
4078 | fc_host_supported_fc4s(shost)[2] = 1; |
4079 | fc_host_supported_fc4s(shost)[7] = 1; | |
4080 | ||
92d7f7b0 JS |
4081 | lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), |
4082 | sizeof fc_host_symbolic_name(shost)); | |
47a8617c JS |
4083 | |
4084 | fc_host_supported_speeds(shost) = 0; | |
d38dd52c JS |
4085 | if (phba->lmt & LMT_32Gb) |
4086 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_32GBIT; | |
88a2cfbb JS |
4087 | if (phba->lmt & LMT_16Gb) |
4088 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_16GBIT; | |
47a8617c JS |
4089 | if (phba->lmt & LMT_10Gb) |
4090 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; | |
a8adb832 JS |
4091 | if (phba->lmt & LMT_8Gb) |
4092 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT; | |
47a8617c JS |
4093 | if (phba->lmt & LMT_4Gb) |
4094 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; | |
4095 | if (phba->lmt & LMT_2Gb) | |
4096 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; | |
4097 | if (phba->lmt & LMT_1Gb) | |
4098 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; | |
4099 | ||
4100 | fc_host_maxframe_size(shost) = | |
2e0fef85 JS |
4101 | (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | |
4102 | (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb; | |
47a8617c | 4103 | |
0af5d708 MC |
4104 | fc_host_dev_loss_tmo(shost) = vport->cfg_devloss_tmo; |
4105 | ||
47a8617c JS |
4106 | /* This value is also unchanging */ |
4107 | memset(fc_host_active_fc4s(shost), 0, | |
2e0fef85 | 4108 | sizeof(fc_host_active_fc4s(shost))); |
47a8617c JS |
4109 | fc_host_active_fc4s(shost)[2] = 1; |
4110 | fc_host_active_fc4s(shost)[7] = 1; | |
4111 | ||
92d7f7b0 | 4112 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
47a8617c | 4113 | spin_lock_irq(shost->host_lock); |
51ef4c26 | 4114 | vport->load_flag &= ~FC_LOADING; |
47a8617c | 4115 | spin_unlock_irq(shost->host_lock); |
47a8617c | 4116 | } |
dea3101e | 4117 | |
e59058c4 | 4118 | /** |
da0436e9 | 4119 | * lpfc_stop_port_s3 - Stop SLI3 device port |
e59058c4 JS |
4120 | * @phba: pointer to lpfc hba data structure. |
4121 | * | |
da0436e9 JS |
4122 | * This routine is invoked to stop an SLI3 device port, it stops the device |
4123 | * from generating interrupts and stops the device driver's timers for the | |
4124 | * device. | |
e59058c4 | 4125 | **/ |
da0436e9 JS |
4126 | static void |
4127 | lpfc_stop_port_s3(struct lpfc_hba *phba) | |
db2378e0 | 4128 | { |
da0436e9 JS |
4129 | /* Clear all interrupt enable conditions */ |
4130 | writel(0, phba->HCregaddr); | |
4131 | readl(phba->HCregaddr); /* flush */ | |
4132 | /* Clear all pending interrupts */ | |
4133 | writel(0xffffffff, phba->HAregaddr); | |
4134 | readl(phba->HAregaddr); /* flush */ | |
db2378e0 | 4135 | |
da0436e9 JS |
4136 | /* Reset some HBA SLI setup states */ |
4137 | lpfc_stop_hba_timers(phba); | |
4138 | phba->pport->work_port_events = 0; | |
4139 | } | |
db2378e0 | 4140 | |
da0436e9 JS |
4141 | /** |
4142 | * lpfc_stop_port_s4 - Stop SLI4 device port | |
4143 | * @phba: pointer to lpfc hba data structure. | |
4144 | * | |
4145 | * This routine is invoked to stop an SLI4 device port, it stops the device | |
4146 | * from generating interrupts and stops the device driver's timers for the | |
4147 | * device. | |
4148 | **/ | |
4149 | static void | |
4150 | lpfc_stop_port_s4(struct lpfc_hba *phba) | |
4151 | { | |
4152 | /* Reset some HBA SLI4 setup states */ | |
4153 | lpfc_stop_hba_timers(phba); | |
4154 | phba->pport->work_port_events = 0; | |
4155 | phba->sli4_hba.intr_enable = 0; | |
da0436e9 | 4156 | } |
9399627f | 4157 | |
da0436e9 JS |
4158 | /** |
4159 | * lpfc_stop_port - Wrapper function for stopping hba port | |
4160 | * @phba: Pointer to HBA context object. | |
4161 | * | |
4162 | * This routine wraps the actual SLI3 or SLI4 hba stop port routine from | |
4163 | * the API jump table function pointer from the lpfc_hba struct. | |
4164 | **/ | |
4165 | void | |
4166 | lpfc_stop_port(struct lpfc_hba *phba) | |
4167 | { | |
4168 | phba->lpfc_stop_port(phba); | |
4169 | } | |
db2378e0 | 4170 | |
ecfd03c6 JS |
4171 | /** |
4172 | * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer | |
4173 | * @phba: Pointer to hba for which this call is being executed. | |
4174 | * | |
4175 | * This routine starts the timer waiting for the FCF rediscovery to complete. | |
4176 | **/ | |
4177 | void | |
4178 | lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba) | |
4179 | { | |
4180 | unsigned long fcf_redisc_wait_tmo = | |
4181 | (jiffies + msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO)); | |
4182 | /* Start fcf rediscovery wait period timer */ | |
4183 | mod_timer(&phba->fcf.redisc_wait, fcf_redisc_wait_tmo); | |
4184 | spin_lock_irq(&phba->hbalock); | |
4185 | /* Allow action to new fcf asynchronous event */ | |
4186 | phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE); | |
4187 | /* Mark the FCF rediscovery pending state */ | |
4188 | phba->fcf.fcf_flag |= FCF_REDISC_PEND; | |
4189 | spin_unlock_irq(&phba->hbalock); | |
4190 | } | |
4191 | ||
4192 | /** | |
4193 | * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout | |
4194 | * @ptr: Map to lpfc_hba data structure pointer. | |
4195 | * | |
4196 | * This routine is invoked when waiting for FCF table rediscover has been | |
4197 | * timed out. If new FCF record(s) has (have) been discovered during the | |
4198 | * wait period, a new FCF event shall be added to the FCOE async event | |
4199 | * list, and then worker thread shall be waked up for processing from the | |
4200 | * worker thread context. | |
4201 | **/ | |
e399b228 | 4202 | static void |
ecfd03c6 JS |
4203 | lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr) |
4204 | { | |
4205 | struct lpfc_hba *phba = (struct lpfc_hba *)ptr; | |
4206 | ||
4207 | /* Don't send FCF rediscovery event if timer cancelled */ | |
4208 | spin_lock_irq(&phba->hbalock); | |
4209 | if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) { | |
4210 | spin_unlock_irq(&phba->hbalock); | |
4211 | return; | |
4212 | } | |
4213 | /* Clear FCF rediscovery timer pending flag */ | |
4214 | phba->fcf.fcf_flag &= ~FCF_REDISC_PEND; | |
4215 | /* FCF rediscovery event to worker thread */ | |
4216 | phba->fcf.fcf_flag |= FCF_REDISC_EVT; | |
4217 | spin_unlock_irq(&phba->hbalock); | |
0c9ab6f5 | 4218 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a | 4219 | "2776 FCF rediscover quiescent timer expired\n"); |
ecfd03c6 JS |
4220 | /* wake up worker thread */ |
4221 | lpfc_worker_wake_up(phba); | |
4222 | } | |
4223 | ||
e59058c4 | 4224 | /** |
da0436e9 | 4225 | * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code |
e59058c4 | 4226 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 4227 | * @acqe_link: pointer to the async link completion queue entry. |
e59058c4 | 4228 | * |
da0436e9 JS |
4229 | * This routine is to parse the SLI4 link-attention link fault code and |
4230 | * translate it into the base driver's read link attention mailbox command | |
4231 | * status. | |
4232 | * | |
4233 | * Return: Link-attention status in terms of base driver's coding. | |
e59058c4 | 4234 | **/ |
da0436e9 JS |
4235 | static uint16_t |
4236 | lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba, | |
4237 | struct lpfc_acqe_link *acqe_link) | |
db2378e0 | 4238 | { |
da0436e9 | 4239 | uint16_t latt_fault; |
9399627f | 4240 | |
da0436e9 JS |
4241 | switch (bf_get(lpfc_acqe_link_fault, acqe_link)) { |
4242 | case LPFC_ASYNC_LINK_FAULT_NONE: | |
4243 | case LPFC_ASYNC_LINK_FAULT_LOCAL: | |
4244 | case LPFC_ASYNC_LINK_FAULT_REMOTE: | |
4245 | latt_fault = 0; | |
4246 | break; | |
4247 | default: | |
4248 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4249 | "0398 Invalid link fault code: x%x\n", | |
4250 | bf_get(lpfc_acqe_link_fault, acqe_link)); | |
4251 | latt_fault = MBXERR_ERROR; | |
4252 | break; | |
4253 | } | |
4254 | return latt_fault; | |
db2378e0 JS |
4255 | } |
4256 | ||
5b75da2f | 4257 | /** |
da0436e9 | 4258 | * lpfc_sli4_parse_latt_type - Parse sli4 link attention type |
5b75da2f | 4259 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 4260 | * @acqe_link: pointer to the async link completion queue entry. |
5b75da2f | 4261 | * |
da0436e9 JS |
4262 | * This routine is to parse the SLI4 link attention type and translate it |
4263 | * into the base driver's link attention type coding. | |
5b75da2f | 4264 | * |
da0436e9 JS |
4265 | * Return: Link attention type in terms of base driver's coding. |
4266 | **/ | |
4267 | static uint8_t | |
4268 | lpfc_sli4_parse_latt_type(struct lpfc_hba *phba, | |
4269 | struct lpfc_acqe_link *acqe_link) | |
5b75da2f | 4270 | { |
da0436e9 | 4271 | uint8_t att_type; |
5b75da2f | 4272 | |
da0436e9 JS |
4273 | switch (bf_get(lpfc_acqe_link_status, acqe_link)) { |
4274 | case LPFC_ASYNC_LINK_STATUS_DOWN: | |
4275 | case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN: | |
76a95d75 | 4276 | att_type = LPFC_ATT_LINK_DOWN; |
da0436e9 JS |
4277 | break; |
4278 | case LPFC_ASYNC_LINK_STATUS_UP: | |
4279 | /* Ignore physical link up events - wait for logical link up */ | |
76a95d75 | 4280 | att_type = LPFC_ATT_RESERVED; |
da0436e9 JS |
4281 | break; |
4282 | case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP: | |
76a95d75 | 4283 | att_type = LPFC_ATT_LINK_UP; |
da0436e9 JS |
4284 | break; |
4285 | default: | |
4286 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4287 | "0399 Invalid link attention type: x%x\n", | |
4288 | bf_get(lpfc_acqe_link_status, acqe_link)); | |
76a95d75 | 4289 | att_type = LPFC_ATT_RESERVED; |
da0436e9 | 4290 | break; |
5b75da2f | 4291 | } |
da0436e9 | 4292 | return att_type; |
5b75da2f JS |
4293 | } |
4294 | ||
8b68cd52 JS |
4295 | /** |
4296 | * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed | |
4297 | * @phba: pointer to lpfc hba data structure. | |
4298 | * | |
4299 | * This routine is to get an SLI3 FC port's link speed in Mbps. | |
4300 | * | |
4301 | * Return: link speed in terms of Mbps. | |
4302 | **/ | |
4303 | uint32_t | |
4304 | lpfc_sli_port_speed_get(struct lpfc_hba *phba) | |
4305 | { | |
4306 | uint32_t link_speed; | |
4307 | ||
4308 | if (!lpfc_is_link_up(phba)) | |
4309 | return 0; | |
4310 | ||
a085e87c JS |
4311 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
4312 | switch (phba->fc_linkspeed) { | |
4313 | case LPFC_LINK_SPEED_1GHZ: | |
4314 | link_speed = 1000; | |
4315 | break; | |
4316 | case LPFC_LINK_SPEED_2GHZ: | |
4317 | link_speed = 2000; | |
4318 | break; | |
4319 | case LPFC_LINK_SPEED_4GHZ: | |
4320 | link_speed = 4000; | |
4321 | break; | |
4322 | case LPFC_LINK_SPEED_8GHZ: | |
4323 | link_speed = 8000; | |
4324 | break; | |
4325 | case LPFC_LINK_SPEED_10GHZ: | |
4326 | link_speed = 10000; | |
4327 | break; | |
4328 | case LPFC_LINK_SPEED_16GHZ: | |
4329 | link_speed = 16000; | |
4330 | break; | |
4331 | default: | |
4332 | link_speed = 0; | |
4333 | } | |
4334 | } else { | |
4335 | if (phba->sli4_hba.link_state.logical_speed) | |
4336 | link_speed = | |
4337 | phba->sli4_hba.link_state.logical_speed; | |
4338 | else | |
4339 | link_speed = phba->sli4_hba.link_state.speed; | |
8b68cd52 JS |
4340 | } |
4341 | return link_speed; | |
4342 | } | |
4343 | ||
4344 | /** | |
4345 | * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed | |
4346 | * @phba: pointer to lpfc hba data structure. | |
4347 | * @evt_code: asynchronous event code. | |
4348 | * @speed_code: asynchronous event link speed code. | |
4349 | * | |
4350 | * This routine is to parse the giving SLI4 async event link speed code into | |
4351 | * value of Mbps for the link speed. | |
4352 | * | |
4353 | * Return: link speed in terms of Mbps. | |
4354 | **/ | |
4355 | static uint32_t | |
4356 | lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code, | |
4357 | uint8_t speed_code) | |
4358 | { | |
4359 | uint32_t port_speed; | |
4360 | ||
4361 | switch (evt_code) { | |
4362 | case LPFC_TRAILER_CODE_LINK: | |
4363 | switch (speed_code) { | |
26d830ec | 4364 | case LPFC_ASYNC_LINK_SPEED_ZERO: |
8b68cd52 JS |
4365 | port_speed = 0; |
4366 | break; | |
26d830ec | 4367 | case LPFC_ASYNC_LINK_SPEED_10MBPS: |
8b68cd52 JS |
4368 | port_speed = 10; |
4369 | break; | |
26d830ec | 4370 | case LPFC_ASYNC_LINK_SPEED_100MBPS: |
8b68cd52 JS |
4371 | port_speed = 100; |
4372 | break; | |
26d830ec | 4373 | case LPFC_ASYNC_LINK_SPEED_1GBPS: |
8b68cd52 JS |
4374 | port_speed = 1000; |
4375 | break; | |
26d830ec | 4376 | case LPFC_ASYNC_LINK_SPEED_10GBPS: |
8b68cd52 JS |
4377 | port_speed = 10000; |
4378 | break; | |
26d830ec JS |
4379 | case LPFC_ASYNC_LINK_SPEED_20GBPS: |
4380 | port_speed = 20000; | |
4381 | break; | |
4382 | case LPFC_ASYNC_LINK_SPEED_25GBPS: | |
4383 | port_speed = 25000; | |
4384 | break; | |
4385 | case LPFC_ASYNC_LINK_SPEED_40GBPS: | |
4386 | port_speed = 40000; | |
4387 | break; | |
8b68cd52 JS |
4388 | default: |
4389 | port_speed = 0; | |
4390 | } | |
4391 | break; | |
4392 | case LPFC_TRAILER_CODE_FC: | |
4393 | switch (speed_code) { | |
26d830ec | 4394 | case LPFC_FC_LA_SPEED_UNKNOWN: |
8b68cd52 JS |
4395 | port_speed = 0; |
4396 | break; | |
26d830ec | 4397 | case LPFC_FC_LA_SPEED_1G: |
8b68cd52 JS |
4398 | port_speed = 1000; |
4399 | break; | |
26d830ec | 4400 | case LPFC_FC_LA_SPEED_2G: |
8b68cd52 JS |
4401 | port_speed = 2000; |
4402 | break; | |
26d830ec | 4403 | case LPFC_FC_LA_SPEED_4G: |
8b68cd52 JS |
4404 | port_speed = 4000; |
4405 | break; | |
26d830ec | 4406 | case LPFC_FC_LA_SPEED_8G: |
8b68cd52 JS |
4407 | port_speed = 8000; |
4408 | break; | |
26d830ec | 4409 | case LPFC_FC_LA_SPEED_10G: |
8b68cd52 JS |
4410 | port_speed = 10000; |
4411 | break; | |
26d830ec | 4412 | case LPFC_FC_LA_SPEED_16G: |
8b68cd52 JS |
4413 | port_speed = 16000; |
4414 | break; | |
d38dd52c JS |
4415 | case LPFC_FC_LA_SPEED_32G: |
4416 | port_speed = 32000; | |
4417 | break; | |
8b68cd52 JS |
4418 | default: |
4419 | port_speed = 0; | |
4420 | } | |
4421 | break; | |
4422 | default: | |
4423 | port_speed = 0; | |
4424 | } | |
4425 | return port_speed; | |
4426 | } | |
4427 | ||
da0436e9 | 4428 | /** |
70f3c073 | 4429 | * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event |
da0436e9 JS |
4430 | * @phba: pointer to lpfc hba data structure. |
4431 | * @acqe_link: pointer to the async link completion queue entry. | |
4432 | * | |
70f3c073 | 4433 | * This routine is to handle the SLI4 asynchronous FCoE link event. |
da0436e9 JS |
4434 | **/ |
4435 | static void | |
4436 | lpfc_sli4_async_link_evt(struct lpfc_hba *phba, | |
4437 | struct lpfc_acqe_link *acqe_link) | |
4438 | { | |
4439 | struct lpfc_dmabuf *mp; | |
4440 | LPFC_MBOXQ_t *pmb; | |
4441 | MAILBOX_t *mb; | |
76a95d75 | 4442 | struct lpfc_mbx_read_top *la; |
da0436e9 | 4443 | uint8_t att_type; |
76a95d75 | 4444 | int rc; |
da0436e9 JS |
4445 | |
4446 | att_type = lpfc_sli4_parse_latt_type(phba, acqe_link); | |
76a95d75 | 4447 | if (att_type != LPFC_ATT_LINK_DOWN && att_type != LPFC_ATT_LINK_UP) |
da0436e9 | 4448 | return; |
32b9793f | 4449 | phba->fcoe_eventtag = acqe_link->event_tag; |
da0436e9 JS |
4450 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4451 | if (!pmb) { | |
4452 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4453 | "0395 The mboxq allocation failed\n"); | |
4454 | return; | |
4455 | } | |
4456 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
4457 | if (!mp) { | |
4458 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4459 | "0396 The lpfc_dmabuf allocation failed\n"); | |
4460 | goto out_free_pmb; | |
4461 | } | |
4462 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
4463 | if (!mp->virt) { | |
4464 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4465 | "0397 The mbuf allocation failed\n"); | |
4466 | goto out_free_dmabuf; | |
4467 | } | |
4468 | ||
4469 | /* Cleanup any outstanding ELS commands */ | |
4470 | lpfc_els_flush_all_cmd(phba); | |
4471 | ||
4472 | /* Block ELS IOCBs until we have done process link event */ | |
895427bd | 4473 | phba->sli4_hba.els_wq->pring->flag |= LPFC_STOP_IOCB_EVENT; |
da0436e9 JS |
4474 | |
4475 | /* Update link event statistics */ | |
4476 | phba->sli.slistat.link_event++; | |
4477 | ||
76a95d75 JS |
4478 | /* Create lpfc_handle_latt mailbox command from link ACQE */ |
4479 | lpfc_read_topology(phba, pmb, mp); | |
4480 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; | |
da0436e9 JS |
4481 | pmb->vport = phba->pport; |
4482 | ||
da0436e9 JS |
4483 | /* Keep the link status for extra SLI4 state machine reference */ |
4484 | phba->sli4_hba.link_state.speed = | |
8b68cd52 JS |
4485 | lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_LINK, |
4486 | bf_get(lpfc_acqe_link_speed, acqe_link)); | |
da0436e9 JS |
4487 | phba->sli4_hba.link_state.duplex = |
4488 | bf_get(lpfc_acqe_link_duplex, acqe_link); | |
4489 | phba->sli4_hba.link_state.status = | |
4490 | bf_get(lpfc_acqe_link_status, acqe_link); | |
70f3c073 JS |
4491 | phba->sli4_hba.link_state.type = |
4492 | bf_get(lpfc_acqe_link_type, acqe_link); | |
4493 | phba->sli4_hba.link_state.number = | |
4494 | bf_get(lpfc_acqe_link_number, acqe_link); | |
da0436e9 JS |
4495 | phba->sli4_hba.link_state.fault = |
4496 | bf_get(lpfc_acqe_link_fault, acqe_link); | |
65467b6b | 4497 | phba->sli4_hba.link_state.logical_speed = |
8b68cd52 JS |
4498 | bf_get(lpfc_acqe_logical_link_speed, acqe_link) * 10; |
4499 | ||
70f3c073 | 4500 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
c31098ce JS |
4501 | "2900 Async FC/FCoE Link event - Speed:%dGBit " |
4502 | "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d " | |
4503 | "Logical speed:%dMbps Fault:%d\n", | |
70f3c073 JS |
4504 | phba->sli4_hba.link_state.speed, |
4505 | phba->sli4_hba.link_state.topology, | |
4506 | phba->sli4_hba.link_state.status, | |
4507 | phba->sli4_hba.link_state.type, | |
4508 | phba->sli4_hba.link_state.number, | |
8b68cd52 | 4509 | phba->sli4_hba.link_state.logical_speed, |
70f3c073 | 4510 | phba->sli4_hba.link_state.fault); |
76a95d75 JS |
4511 | /* |
4512 | * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch | |
4513 | * topology info. Note: Optional for non FC-AL ports. | |
4514 | */ | |
4515 | if (!(phba->hba_flag & HBA_FCOE_MODE)) { | |
4516 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
4517 | if (rc == MBX_NOT_FINISHED) | |
4518 | goto out_free_dmabuf; | |
4519 | return; | |
4520 | } | |
4521 | /* | |
4522 | * For FCoE Mode: fill in all the topology information we need and call | |
4523 | * the READ_TOPOLOGY completion routine to continue without actually | |
4524 | * sending the READ_TOPOLOGY mailbox command to the port. | |
4525 | */ | |
4526 | /* Parse and translate status field */ | |
4527 | mb = &pmb->u.mb; | |
4528 | mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link); | |
4529 | ||
4530 | /* Parse and translate link attention fields */ | |
4531 | la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop; | |
4532 | la->eventTag = acqe_link->event_tag; | |
4533 | bf_set(lpfc_mbx_read_top_att_type, la, att_type); | |
4534 | bf_set(lpfc_mbx_read_top_link_spd, la, | |
a085e87c | 4535 | (bf_get(lpfc_acqe_link_speed, acqe_link))); |
76a95d75 JS |
4536 | |
4537 | /* Fake the the following irrelvant fields */ | |
4538 | bf_set(lpfc_mbx_read_top_topology, la, LPFC_TOPOLOGY_PT_PT); | |
4539 | bf_set(lpfc_mbx_read_top_alpa_granted, la, 0); | |
4540 | bf_set(lpfc_mbx_read_top_il, la, 0); | |
4541 | bf_set(lpfc_mbx_read_top_pb, la, 0); | |
4542 | bf_set(lpfc_mbx_read_top_fa, la, 0); | |
4543 | bf_set(lpfc_mbx_read_top_mm, la, 0); | |
da0436e9 JS |
4544 | |
4545 | /* Invoke the lpfc_handle_latt mailbox command callback function */ | |
76a95d75 | 4546 | lpfc_mbx_cmpl_read_topology(phba, pmb); |
da0436e9 | 4547 | |
5b75da2f | 4548 | return; |
da0436e9 JS |
4549 | |
4550 | out_free_dmabuf: | |
4551 | kfree(mp); | |
4552 | out_free_pmb: | |
4553 | mempool_free(pmb, phba->mbox_mem_pool); | |
4554 | } | |
4555 | ||
70f3c073 JS |
4556 | /** |
4557 | * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event | |
4558 | * @phba: pointer to lpfc hba data structure. | |
4559 | * @acqe_fc: pointer to the async fc completion queue entry. | |
4560 | * | |
4561 | * This routine is to handle the SLI4 asynchronous FC event. It will simply log | |
4562 | * that the event was received and then issue a read_topology mailbox command so | |
4563 | * that the rest of the driver will treat it the same as SLI3. | |
4564 | **/ | |
4565 | static void | |
4566 | lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc) | |
4567 | { | |
4568 | struct lpfc_dmabuf *mp; | |
4569 | LPFC_MBOXQ_t *pmb; | |
7bdedb34 JS |
4570 | MAILBOX_t *mb; |
4571 | struct lpfc_mbx_read_top *la; | |
70f3c073 JS |
4572 | int rc; |
4573 | ||
4574 | if (bf_get(lpfc_trailer_type, acqe_fc) != | |
4575 | LPFC_FC_LA_EVENT_TYPE_FC_LINK) { | |
4576 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4577 | "2895 Non FC link Event detected.(%d)\n", | |
4578 | bf_get(lpfc_trailer_type, acqe_fc)); | |
4579 | return; | |
4580 | } | |
4581 | /* Keep the link status for extra SLI4 state machine reference */ | |
4582 | phba->sli4_hba.link_state.speed = | |
8b68cd52 JS |
4583 | lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC, |
4584 | bf_get(lpfc_acqe_fc_la_speed, acqe_fc)); | |
70f3c073 JS |
4585 | phba->sli4_hba.link_state.duplex = LPFC_ASYNC_LINK_DUPLEX_FULL; |
4586 | phba->sli4_hba.link_state.topology = | |
4587 | bf_get(lpfc_acqe_fc_la_topology, acqe_fc); | |
4588 | phba->sli4_hba.link_state.status = | |
4589 | bf_get(lpfc_acqe_fc_la_att_type, acqe_fc); | |
4590 | phba->sli4_hba.link_state.type = | |
4591 | bf_get(lpfc_acqe_fc_la_port_type, acqe_fc); | |
4592 | phba->sli4_hba.link_state.number = | |
4593 | bf_get(lpfc_acqe_fc_la_port_number, acqe_fc); | |
4594 | phba->sli4_hba.link_state.fault = | |
4595 | bf_get(lpfc_acqe_link_fault, acqe_fc); | |
4596 | phba->sli4_hba.link_state.logical_speed = | |
8b68cd52 | 4597 | bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10; |
70f3c073 JS |
4598 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
4599 | "2896 Async FC event - Speed:%dGBaud Topology:x%x " | |
4600 | "LA Type:x%x Port Type:%d Port Number:%d Logical speed:" | |
4601 | "%dMbps Fault:%d\n", | |
4602 | phba->sli4_hba.link_state.speed, | |
4603 | phba->sli4_hba.link_state.topology, | |
4604 | phba->sli4_hba.link_state.status, | |
4605 | phba->sli4_hba.link_state.type, | |
4606 | phba->sli4_hba.link_state.number, | |
8b68cd52 | 4607 | phba->sli4_hba.link_state.logical_speed, |
70f3c073 JS |
4608 | phba->sli4_hba.link_state.fault); |
4609 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4610 | if (!pmb) { | |
4611 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4612 | "2897 The mboxq allocation failed\n"); | |
4613 | return; | |
4614 | } | |
4615 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
4616 | if (!mp) { | |
4617 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4618 | "2898 The lpfc_dmabuf allocation failed\n"); | |
4619 | goto out_free_pmb; | |
4620 | } | |
4621 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
4622 | if (!mp->virt) { | |
4623 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4624 | "2899 The mbuf allocation failed\n"); | |
4625 | goto out_free_dmabuf; | |
4626 | } | |
4627 | ||
4628 | /* Cleanup any outstanding ELS commands */ | |
4629 | lpfc_els_flush_all_cmd(phba); | |
4630 | ||
4631 | /* Block ELS IOCBs until we have done process link event */ | |
895427bd | 4632 | phba->sli4_hba.els_wq->pring->flag |= LPFC_STOP_IOCB_EVENT; |
70f3c073 JS |
4633 | |
4634 | /* Update link event statistics */ | |
4635 | phba->sli.slistat.link_event++; | |
4636 | ||
4637 | /* Create lpfc_handle_latt mailbox command from link ACQE */ | |
4638 | lpfc_read_topology(phba, pmb, mp); | |
4639 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; | |
4640 | pmb->vport = phba->pport; | |
4641 | ||
7bdedb34 | 4642 | if (phba->sli4_hba.link_state.status != LPFC_FC_LA_TYPE_LINK_UP) { |
ae9e28f3 JS |
4643 | phba->link_flag &= ~(LS_MDS_LINK_DOWN | LS_MDS_LOOPBACK); |
4644 | ||
4645 | switch (phba->sli4_hba.link_state.status) { | |
4646 | case LPFC_FC_LA_TYPE_MDS_LINK_DOWN: | |
4647 | phba->link_flag |= LS_MDS_LINK_DOWN; | |
4648 | break; | |
4649 | case LPFC_FC_LA_TYPE_MDS_LOOPBACK: | |
4650 | phba->link_flag |= LS_MDS_LOOPBACK; | |
4651 | break; | |
4652 | default: | |
4653 | break; | |
4654 | } | |
4655 | ||
7bdedb34 JS |
4656 | /* Parse and translate status field */ |
4657 | mb = &pmb->u.mb; | |
4658 | mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, | |
4659 | (void *)acqe_fc); | |
4660 | ||
4661 | /* Parse and translate link attention fields */ | |
4662 | la = (struct lpfc_mbx_read_top *)&pmb->u.mb.un.varReadTop; | |
4663 | la->eventTag = acqe_fc->event_tag; | |
7bdedb34 | 4664 | |
aeb3c817 JS |
4665 | if (phba->sli4_hba.link_state.status == |
4666 | LPFC_FC_LA_TYPE_UNEXP_WWPN) { | |
4667 | bf_set(lpfc_mbx_read_top_att_type, la, | |
4668 | LPFC_FC_LA_TYPE_UNEXP_WWPN); | |
4669 | } else { | |
4670 | bf_set(lpfc_mbx_read_top_att_type, la, | |
4671 | LPFC_FC_LA_TYPE_LINK_DOWN); | |
4672 | } | |
7bdedb34 JS |
4673 | /* Invoke the mailbox command callback function */ |
4674 | lpfc_mbx_cmpl_read_topology(phba, pmb); | |
4675 | ||
4676 | return; | |
4677 | } | |
4678 | ||
70f3c073 JS |
4679 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
4680 | if (rc == MBX_NOT_FINISHED) | |
4681 | goto out_free_dmabuf; | |
4682 | return; | |
4683 | ||
4684 | out_free_dmabuf: | |
4685 | kfree(mp); | |
4686 | out_free_pmb: | |
4687 | mempool_free(pmb, phba->mbox_mem_pool); | |
4688 | } | |
4689 | ||
4690 | /** | |
4691 | * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event | |
4692 | * @phba: pointer to lpfc hba data structure. | |
4693 | * @acqe_fc: pointer to the async SLI completion queue entry. | |
4694 | * | |
4695 | * This routine is to handle the SLI4 asynchronous SLI events. | |
4696 | **/ | |
4697 | static void | |
4698 | lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli) | |
4699 | { | |
4b8bae08 | 4700 | char port_name; |
8c1312e1 | 4701 | char message[128]; |
4b8bae08 | 4702 | uint8_t status; |
946727dc | 4703 | uint8_t evt_type; |
448193b5 | 4704 | uint8_t operational = 0; |
946727dc | 4705 | struct temp_event temp_event_data; |
4b8bae08 | 4706 | struct lpfc_acqe_misconfigured_event *misconfigured; |
946727dc JS |
4707 | struct Scsi_Host *shost; |
4708 | ||
4709 | evt_type = bf_get(lpfc_trailer_type, acqe_sli); | |
4b8bae08 | 4710 | |
448193b5 JS |
4711 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
4712 | "2901 Async SLI event - Event Data1:x%08x Event Data2:" | |
4713 | "x%08x SLI Event Type:%d\n", | |
4714 | acqe_sli->event_data1, acqe_sli->event_data2, | |
4715 | evt_type); | |
4b8bae08 JS |
4716 | |
4717 | port_name = phba->Port[0]; | |
4718 | if (port_name == 0x00) | |
4719 | port_name = '?'; /* get port name is empty */ | |
4720 | ||
946727dc JS |
4721 | switch (evt_type) { |
4722 | case LPFC_SLI_EVENT_TYPE_OVER_TEMP: | |
4723 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
4724 | temp_event_data.event_code = LPFC_THRESHOLD_TEMP; | |
4725 | temp_event_data.data = (uint32_t)acqe_sli->event_data1; | |
4726 | ||
4727 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
4728 | "3190 Over Temperature:%d Celsius- Port Name %c\n", | |
4729 | acqe_sli->event_data1, port_name); | |
4730 | ||
310429ef | 4731 | phba->sfp_warning |= LPFC_TRANSGRESSION_HIGH_TEMPERATURE; |
946727dc JS |
4732 | shost = lpfc_shost_from_vport(phba->pport); |
4733 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
4734 | sizeof(temp_event_data), | |
4735 | (char *)&temp_event_data, | |
4736 | SCSI_NL_VID_TYPE_PCI | |
4737 | | PCI_VENDOR_ID_EMULEX); | |
4738 | break; | |
4739 | case LPFC_SLI_EVENT_TYPE_NORM_TEMP: | |
4740 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
4741 | temp_event_data.event_code = LPFC_NORMAL_TEMP; | |
4742 | temp_event_data.data = (uint32_t)acqe_sli->event_data1; | |
4743 | ||
4744 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
4745 | "3191 Normal Temperature:%d Celsius - Port Name %c\n", | |
4746 | acqe_sli->event_data1, port_name); | |
4747 | ||
4748 | shost = lpfc_shost_from_vport(phba->pport); | |
4749 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
4750 | sizeof(temp_event_data), | |
4751 | (char *)&temp_event_data, | |
4752 | SCSI_NL_VID_TYPE_PCI | |
4753 | | PCI_VENDOR_ID_EMULEX); | |
4754 | break; | |
4755 | case LPFC_SLI_EVENT_TYPE_MISCONFIGURED: | |
4756 | misconfigured = (struct lpfc_acqe_misconfigured_event *) | |
4b8bae08 JS |
4757 | &acqe_sli->event_data1; |
4758 | ||
946727dc JS |
4759 | /* fetch the status for this port */ |
4760 | switch (phba->sli4_hba.lnk_info.lnk_no) { | |
4761 | case LPFC_LINK_NUMBER_0: | |
448193b5 JS |
4762 | status = bf_get(lpfc_sli_misconfigured_port0_state, |
4763 | &misconfigured->theEvent); | |
4764 | operational = bf_get(lpfc_sli_misconfigured_port0_op, | |
4b8bae08 | 4765 | &misconfigured->theEvent); |
946727dc JS |
4766 | break; |
4767 | case LPFC_LINK_NUMBER_1: | |
448193b5 JS |
4768 | status = bf_get(lpfc_sli_misconfigured_port1_state, |
4769 | &misconfigured->theEvent); | |
4770 | operational = bf_get(lpfc_sli_misconfigured_port1_op, | |
4b8bae08 | 4771 | &misconfigured->theEvent); |
946727dc JS |
4772 | break; |
4773 | case LPFC_LINK_NUMBER_2: | |
448193b5 JS |
4774 | status = bf_get(lpfc_sli_misconfigured_port2_state, |
4775 | &misconfigured->theEvent); | |
4776 | operational = bf_get(lpfc_sli_misconfigured_port2_op, | |
4b8bae08 | 4777 | &misconfigured->theEvent); |
946727dc JS |
4778 | break; |
4779 | case LPFC_LINK_NUMBER_3: | |
448193b5 JS |
4780 | status = bf_get(lpfc_sli_misconfigured_port3_state, |
4781 | &misconfigured->theEvent); | |
4782 | operational = bf_get(lpfc_sli_misconfigured_port3_op, | |
4b8bae08 | 4783 | &misconfigured->theEvent); |
946727dc JS |
4784 | break; |
4785 | default: | |
448193b5 JS |
4786 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
4787 | "3296 " | |
4788 | "LPFC_SLI_EVENT_TYPE_MISCONFIGURED " | |
4789 | "event: Invalid link %d", | |
4790 | phba->sli4_hba.lnk_info.lnk_no); | |
4791 | return; | |
946727dc | 4792 | } |
4b8bae08 | 4793 | |
448193b5 JS |
4794 | /* Skip if optic state unchanged */ |
4795 | if (phba->sli4_hba.lnk_info.optic_state == status) | |
4796 | return; | |
4797 | ||
946727dc JS |
4798 | switch (status) { |
4799 | case LPFC_SLI_EVENT_STATUS_VALID: | |
448193b5 JS |
4800 | sprintf(message, "Physical Link is functional"); |
4801 | break; | |
946727dc JS |
4802 | case LPFC_SLI_EVENT_STATUS_NOT_PRESENT: |
4803 | sprintf(message, "Optics faulted/incorrectly " | |
4804 | "installed/not installed - Reseat optics, " | |
4805 | "if issue not resolved, replace."); | |
4806 | break; | |
4807 | case LPFC_SLI_EVENT_STATUS_WRONG_TYPE: | |
4808 | sprintf(message, | |
4809 | "Optics of two types installed - Remove one " | |
4810 | "optic or install matching pair of optics."); | |
4811 | break; | |
4812 | case LPFC_SLI_EVENT_STATUS_UNSUPPORTED: | |
4813 | sprintf(message, "Incompatible optics - Replace with " | |
292098be | 4814 | "compatible optics for card to function."); |
946727dc | 4815 | break; |
448193b5 JS |
4816 | case LPFC_SLI_EVENT_STATUS_UNQUALIFIED: |
4817 | sprintf(message, "Unqualified optics - Replace with " | |
4818 | "Avago optics for Warranty and Technical " | |
4819 | "Support - Link is%s operational", | |
2ea259ee | 4820 | (operational) ? " not" : ""); |
448193b5 JS |
4821 | break; |
4822 | case LPFC_SLI_EVENT_STATUS_UNCERTIFIED: | |
4823 | sprintf(message, "Uncertified optics - Replace with " | |
4824 | "Avago-certified optics to enable link " | |
4825 | "operation - Link is%s operational", | |
2ea259ee | 4826 | (operational) ? " not" : ""); |
448193b5 | 4827 | break; |
946727dc JS |
4828 | default: |
4829 | /* firmware is reporting a status we don't know about */ | |
4830 | sprintf(message, "Unknown event status x%02x", status); | |
4831 | break; | |
4832 | } | |
448193b5 | 4833 | phba->sli4_hba.lnk_info.optic_state = status; |
946727dc | 4834 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
448193b5 | 4835 | "3176 Port Name %c %s\n", port_name, message); |
946727dc JS |
4836 | break; |
4837 | case LPFC_SLI_EVENT_TYPE_REMOTE_DPORT: | |
4838 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
4839 | "3192 Remote DPort Test Initiated - " | |
4840 | "Event Data1:x%08x Event Data2: x%08x\n", | |
4841 | acqe_sli->event_data1, acqe_sli->event_data2); | |
4b8bae08 JS |
4842 | break; |
4843 | default: | |
946727dc JS |
4844 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
4845 | "3193 Async SLI event - Event Data1:x%08x Event Data2:" | |
4846 | "x%08x SLI Event Type:%d\n", | |
4847 | acqe_sli->event_data1, acqe_sli->event_data2, | |
4848 | evt_type); | |
4b8bae08 JS |
4849 | break; |
4850 | } | |
70f3c073 JS |
4851 | } |
4852 | ||
fc2b989b JS |
4853 | /** |
4854 | * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport | |
4855 | * @vport: pointer to vport data structure. | |
4856 | * | |
4857 | * This routine is to perform Clear Virtual Link (CVL) on a vport in | |
4858 | * response to a CVL event. | |
4859 | * | |
4860 | * Return the pointer to the ndlp with the vport if successful, otherwise | |
4861 | * return NULL. | |
4862 | **/ | |
4863 | static struct lpfc_nodelist * | |
4864 | lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport) | |
4865 | { | |
4866 | struct lpfc_nodelist *ndlp; | |
4867 | struct Scsi_Host *shost; | |
4868 | struct lpfc_hba *phba; | |
4869 | ||
4870 | if (!vport) | |
4871 | return NULL; | |
fc2b989b JS |
4872 | phba = vport->phba; |
4873 | if (!phba) | |
4874 | return NULL; | |
78730cfe JS |
4875 | ndlp = lpfc_findnode_did(vport, Fabric_DID); |
4876 | if (!ndlp) { | |
4877 | /* Cannot find existing Fabric ndlp, so allocate a new one */ | |
9d3d340d | 4878 | ndlp = lpfc_nlp_init(vport, Fabric_DID); |
78730cfe JS |
4879 | if (!ndlp) |
4880 | return 0; | |
78730cfe JS |
4881 | /* Set the node type */ |
4882 | ndlp->nlp_type |= NLP_FABRIC; | |
4883 | /* Put ndlp onto node list */ | |
4884 | lpfc_enqueue_node(vport, ndlp); | |
4885 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { | |
4886 | /* re-setup ndlp without removing from node list */ | |
4887 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); | |
4888 | if (!ndlp) | |
4889 | return 0; | |
4890 | } | |
63e801ce JS |
4891 | if ((phba->pport->port_state < LPFC_FLOGI) && |
4892 | (phba->pport->port_state != LPFC_VPORT_FAILED)) | |
fc2b989b JS |
4893 | return NULL; |
4894 | /* If virtual link is not yet instantiated ignore CVL */ | |
63e801ce JS |
4895 | if ((vport != phba->pport) && (vport->port_state < LPFC_FDISC) |
4896 | && (vport->port_state != LPFC_VPORT_FAILED)) | |
fc2b989b JS |
4897 | return NULL; |
4898 | shost = lpfc_shost_from_vport(vport); | |
4899 | if (!shost) | |
4900 | return NULL; | |
4901 | lpfc_linkdown_port(vport); | |
4902 | lpfc_cleanup_pending_mbox(vport); | |
4903 | spin_lock_irq(shost->host_lock); | |
4904 | vport->fc_flag |= FC_VPORT_CVL_RCVD; | |
4905 | spin_unlock_irq(shost->host_lock); | |
4906 | ||
4907 | return ndlp; | |
4908 | } | |
4909 | ||
4910 | /** | |
4911 | * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports | |
4912 | * @vport: pointer to lpfc hba data structure. | |
4913 | * | |
4914 | * This routine is to perform Clear Virtual Link (CVL) on all vports in | |
4915 | * response to a FCF dead event. | |
4916 | **/ | |
4917 | static void | |
4918 | lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba) | |
4919 | { | |
4920 | struct lpfc_vport **vports; | |
4921 | int i; | |
4922 | ||
4923 | vports = lpfc_create_vport_work_array(phba); | |
4924 | if (vports) | |
4925 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) | |
4926 | lpfc_sli4_perform_vport_cvl(vports[i]); | |
4927 | lpfc_destroy_vport_work_array(phba, vports); | |
4928 | } | |
4929 | ||
da0436e9 | 4930 | /** |
76a95d75 | 4931 | * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event |
da0436e9 JS |
4932 | * @phba: pointer to lpfc hba data structure. |
4933 | * @acqe_link: pointer to the async fcoe completion queue entry. | |
4934 | * | |
4935 | * This routine is to handle the SLI4 asynchronous fcoe event. | |
4936 | **/ | |
4937 | static void | |
76a95d75 | 4938 | lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, |
70f3c073 | 4939 | struct lpfc_acqe_fip *acqe_fip) |
da0436e9 | 4940 | { |
70f3c073 | 4941 | uint8_t event_type = bf_get(lpfc_trailer_type, acqe_fip); |
da0436e9 | 4942 | int rc; |
6669f9bb JS |
4943 | struct lpfc_vport *vport; |
4944 | struct lpfc_nodelist *ndlp; | |
4945 | struct Scsi_Host *shost; | |
695a814e JS |
4946 | int active_vlink_present; |
4947 | struct lpfc_vport **vports; | |
4948 | int i; | |
da0436e9 | 4949 | |
70f3c073 JS |
4950 | phba->fc_eventTag = acqe_fip->event_tag; |
4951 | phba->fcoe_eventtag = acqe_fip->event_tag; | |
da0436e9 | 4952 | switch (event_type) { |
70f3c073 JS |
4953 | case LPFC_FIP_EVENT_TYPE_NEW_FCF: |
4954 | case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD: | |
4955 | if (event_type == LPFC_FIP_EVENT_TYPE_NEW_FCF) | |
999d813f JS |
4956 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | |
4957 | LOG_DISCOVERY, | |
a93ff37a JS |
4958 | "2546 New FCF event, evt_tag:x%x, " |
4959 | "index:x%x\n", | |
70f3c073 JS |
4960 | acqe_fip->event_tag, |
4961 | acqe_fip->index); | |
999d813f JS |
4962 | else |
4963 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | | |
4964 | LOG_DISCOVERY, | |
a93ff37a JS |
4965 | "2788 FCF param modified event, " |
4966 | "evt_tag:x%x, index:x%x\n", | |
70f3c073 JS |
4967 | acqe_fip->event_tag, |
4968 | acqe_fip->index); | |
38b92ef8 | 4969 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) { |
0c9ab6f5 JS |
4970 | /* |
4971 | * During period of FCF discovery, read the FCF | |
4972 | * table record indexed by the event to update | |
a93ff37a | 4973 | * FCF roundrobin failover eligible FCF bmask. |
0c9ab6f5 JS |
4974 | */ |
4975 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | | |
4976 | LOG_DISCOVERY, | |
a93ff37a JS |
4977 | "2779 Read FCF (x%x) for updating " |
4978 | "roundrobin FCF failover bmask\n", | |
70f3c073 JS |
4979 | acqe_fip->index); |
4980 | rc = lpfc_sli4_read_fcf_rec(phba, acqe_fip->index); | |
0c9ab6f5 | 4981 | } |
38b92ef8 JS |
4982 | |
4983 | /* If the FCF discovery is in progress, do nothing. */ | |
3804dc84 | 4984 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 4985 | if (phba->hba_flag & FCF_TS_INPROG) { |
38b92ef8 JS |
4986 | spin_unlock_irq(&phba->hbalock); |
4987 | break; | |
4988 | } | |
4989 | /* If fast FCF failover rescan event is pending, do nothing */ | |
4990 | if (phba->fcf.fcf_flag & FCF_REDISC_EVT) { | |
4991 | spin_unlock_irq(&phba->hbalock); | |
4992 | break; | |
4993 | } | |
4994 | ||
c2b9712e JS |
4995 | /* If the FCF has been in discovered state, do nothing. */ |
4996 | if (phba->fcf.fcf_flag & FCF_SCAN_DONE) { | |
3804dc84 JS |
4997 | spin_unlock_irq(&phba->hbalock); |
4998 | break; | |
4999 | } | |
5000 | spin_unlock_irq(&phba->hbalock); | |
38b92ef8 | 5001 | |
0c9ab6f5 JS |
5002 | /* Otherwise, scan the entire FCF table and re-discover SAN */ |
5003 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, | |
a93ff37a JS |
5004 | "2770 Start FCF table scan per async FCF " |
5005 | "event, evt_tag:x%x, index:x%x\n", | |
70f3c073 | 5006 | acqe_fip->event_tag, acqe_fip->index); |
0c9ab6f5 JS |
5007 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, |
5008 | LPFC_FCOE_FCF_GET_FIRST); | |
da0436e9 | 5009 | if (rc) |
0c9ab6f5 JS |
5010 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
5011 | "2547 Issue FCF scan read FCF mailbox " | |
a93ff37a | 5012 | "command failed (x%x)\n", rc); |
da0436e9 JS |
5013 | break; |
5014 | ||
70f3c073 | 5015 | case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL: |
da0436e9 | 5016 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e4e74273 | 5017 | "2548 FCF Table full count 0x%x tag 0x%x\n", |
70f3c073 JS |
5018 | bf_get(lpfc_acqe_fip_fcf_count, acqe_fip), |
5019 | acqe_fip->event_tag); | |
da0436e9 JS |
5020 | break; |
5021 | ||
70f3c073 | 5022 | case LPFC_FIP_EVENT_TYPE_FCF_DEAD: |
80c17849 | 5023 | phba->fcoe_cvl_eventtag = acqe_fip->event_tag; |
0c9ab6f5 | 5024 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
a93ff37a | 5025 | "2549 FCF (x%x) disconnected from network, " |
70f3c073 | 5026 | "tag:x%x\n", acqe_fip->index, acqe_fip->event_tag); |
38b92ef8 JS |
5027 | /* |
5028 | * If we are in the middle of FCF failover process, clear | |
5029 | * the corresponding FCF bit in the roundrobin bitmap. | |
da0436e9 | 5030 | */ |
fc2b989b | 5031 | spin_lock_irq(&phba->hbalock); |
a1cadfef JS |
5032 | if ((phba->fcf.fcf_flag & FCF_DISCOVERY) && |
5033 | (phba->fcf.current_rec.fcf_indx != acqe_fip->index)) { | |
fc2b989b | 5034 | spin_unlock_irq(&phba->hbalock); |
0c9ab6f5 | 5035 | /* Update FLOGI FCF failover eligible FCF bmask */ |
70f3c073 | 5036 | lpfc_sli4_fcf_rr_index_clear(phba, acqe_fip->index); |
fc2b989b JS |
5037 | break; |
5038 | } | |
38b92ef8 JS |
5039 | spin_unlock_irq(&phba->hbalock); |
5040 | ||
5041 | /* If the event is not for currently used fcf do nothing */ | |
70f3c073 | 5042 | if (phba->fcf.current_rec.fcf_indx != acqe_fip->index) |
38b92ef8 JS |
5043 | break; |
5044 | ||
5045 | /* | |
5046 | * Otherwise, request the port to rediscover the entire FCF | |
5047 | * table for a fast recovery from case that the current FCF | |
5048 | * is no longer valid as we are not in the middle of FCF | |
5049 | * failover process already. | |
5050 | */ | |
c2b9712e JS |
5051 | spin_lock_irq(&phba->hbalock); |
5052 | /* Mark the fast failover process in progress */ | |
5053 | phba->fcf.fcf_flag |= FCF_DEAD_DISC; | |
5054 | spin_unlock_irq(&phba->hbalock); | |
5055 | ||
5056 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, | |
5057 | "2771 Start FCF fast failover process due to " | |
5058 | "FCF DEAD event: evt_tag:x%x, fcf_index:x%x " | |
5059 | "\n", acqe_fip->event_tag, acqe_fip->index); | |
5060 | rc = lpfc_sli4_redisc_fcf_table(phba); | |
5061 | if (rc) { | |
5062 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | | |
5063 | LOG_DISCOVERY, | |
5064 | "2772 Issue FCF rediscover mabilbox " | |
5065 | "command failed, fail through to FCF " | |
5066 | "dead event\n"); | |
5067 | spin_lock_irq(&phba->hbalock); | |
5068 | phba->fcf.fcf_flag &= ~FCF_DEAD_DISC; | |
5069 | spin_unlock_irq(&phba->hbalock); | |
5070 | /* | |
5071 | * Last resort will fail over by treating this | |
5072 | * as a link down to FCF registration. | |
5073 | */ | |
5074 | lpfc_sli4_fcf_dead_failthrough(phba); | |
5075 | } else { | |
5076 | /* Reset FCF roundrobin bmask for new discovery */ | |
5077 | lpfc_sli4_clear_fcf_rr_bmask(phba); | |
5078 | /* | |
5079 | * Handling fast FCF failover to a DEAD FCF event is | |
5080 | * considered equalivant to receiving CVL to all vports. | |
5081 | */ | |
5082 | lpfc_sli4_perform_all_vport_cvl(phba); | |
5083 | } | |
da0436e9 | 5084 | break; |
70f3c073 | 5085 | case LPFC_FIP_EVENT_TYPE_CVL: |
80c17849 | 5086 | phba->fcoe_cvl_eventtag = acqe_fip->event_tag; |
0c9ab6f5 | 5087 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
6669f9bb | 5088 | "2718 Clear Virtual Link Received for VPI 0x%x" |
70f3c073 | 5089 | " tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag); |
6d368e53 | 5090 | |
6669f9bb | 5091 | vport = lpfc_find_vport_by_vpid(phba, |
5248a749 | 5092 | acqe_fip->index); |
fc2b989b | 5093 | ndlp = lpfc_sli4_perform_vport_cvl(vport); |
6669f9bb JS |
5094 | if (!ndlp) |
5095 | break; | |
695a814e JS |
5096 | active_vlink_present = 0; |
5097 | ||
5098 | vports = lpfc_create_vport_work_array(phba); | |
5099 | if (vports) { | |
5100 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; | |
5101 | i++) { | |
5102 | if ((!(vports[i]->fc_flag & | |
5103 | FC_VPORT_CVL_RCVD)) && | |
5104 | (vports[i]->port_state > LPFC_FDISC)) { | |
5105 | active_vlink_present = 1; | |
5106 | break; | |
5107 | } | |
5108 | } | |
5109 | lpfc_destroy_vport_work_array(phba, vports); | |
5110 | } | |
5111 | ||
cc82355a JS |
5112 | /* |
5113 | * Don't re-instantiate if vport is marked for deletion. | |
5114 | * If we are here first then vport_delete is going to wait | |
5115 | * for discovery to complete. | |
5116 | */ | |
5117 | if (!(vport->load_flag & FC_UNLOADING) && | |
5118 | active_vlink_present) { | |
695a814e JS |
5119 | /* |
5120 | * If there are other active VLinks present, | |
5121 | * re-instantiate the Vlink using FDISC. | |
5122 | */ | |
256ec0d0 JS |
5123 | mod_timer(&ndlp->nlp_delayfunc, |
5124 | jiffies + msecs_to_jiffies(1000)); | |
fc2b989b | 5125 | shost = lpfc_shost_from_vport(vport); |
6669f9bb JS |
5126 | spin_lock_irq(shost->host_lock); |
5127 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
5128 | spin_unlock_irq(shost->host_lock); | |
695a814e JS |
5129 | ndlp->nlp_last_elscmd = ELS_CMD_FDISC; |
5130 | vport->port_state = LPFC_FDISC; | |
5131 | } else { | |
ecfd03c6 JS |
5132 | /* |
5133 | * Otherwise, we request port to rediscover | |
5134 | * the entire FCF table for a fast recovery | |
5135 | * from possible case that the current FCF | |
0c9ab6f5 JS |
5136 | * is no longer valid if we are not already |
5137 | * in the FCF failover process. | |
ecfd03c6 | 5138 | */ |
fc2b989b | 5139 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 5140 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) { |
fc2b989b JS |
5141 | spin_unlock_irq(&phba->hbalock); |
5142 | break; | |
5143 | } | |
5144 | /* Mark the fast failover process in progress */ | |
0c9ab6f5 | 5145 | phba->fcf.fcf_flag |= FCF_ACVL_DISC; |
fc2b989b | 5146 | spin_unlock_irq(&phba->hbalock); |
0c9ab6f5 JS |
5147 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | |
5148 | LOG_DISCOVERY, | |
a93ff37a | 5149 | "2773 Start FCF failover per CVL, " |
70f3c073 | 5150 | "evt_tag:x%x\n", acqe_fip->event_tag); |
ecfd03c6 | 5151 | rc = lpfc_sli4_redisc_fcf_table(phba); |
fc2b989b | 5152 | if (rc) { |
0c9ab6f5 JS |
5153 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | |
5154 | LOG_DISCOVERY, | |
5155 | "2774 Issue FCF rediscover " | |
5156 | "mabilbox command failed, " | |
5157 | "through to CVL event\n"); | |
fc2b989b | 5158 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 5159 | phba->fcf.fcf_flag &= ~FCF_ACVL_DISC; |
fc2b989b | 5160 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
5161 | /* |
5162 | * Last resort will be re-try on the | |
5163 | * the current registered FCF entry. | |
5164 | */ | |
5165 | lpfc_retry_pport_discovery(phba); | |
38b92ef8 JS |
5166 | } else |
5167 | /* | |
5168 | * Reset FCF roundrobin bmask for new | |
5169 | * discovery. | |
5170 | */ | |
7d791df7 | 5171 | lpfc_sli4_clear_fcf_rr_bmask(phba); |
6669f9bb JS |
5172 | } |
5173 | break; | |
da0436e9 JS |
5174 | default: |
5175 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
5176 | "0288 Unknown FCoE event type 0x%x event tag " | |
70f3c073 | 5177 | "0x%x\n", event_type, acqe_fip->event_tag); |
da0436e9 JS |
5178 | break; |
5179 | } | |
5180 | } | |
5181 | ||
5182 | /** | |
5183 | * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event | |
5184 | * @phba: pointer to lpfc hba data structure. | |
5185 | * @acqe_link: pointer to the async dcbx completion queue entry. | |
5186 | * | |
5187 | * This routine is to handle the SLI4 asynchronous dcbx event. | |
5188 | **/ | |
5189 | static void | |
5190 | lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba, | |
5191 | struct lpfc_acqe_dcbx *acqe_dcbx) | |
5192 | { | |
4d9ab994 | 5193 | phba->fc_eventTag = acqe_dcbx->event_tag; |
da0436e9 JS |
5194 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
5195 | "0290 The SLI4 DCBX asynchronous event is not " | |
5196 | "handled yet\n"); | |
5197 | } | |
5198 | ||
b19a061a JS |
5199 | /** |
5200 | * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event | |
5201 | * @phba: pointer to lpfc hba data structure. | |
5202 | * @acqe_link: pointer to the async grp5 completion queue entry. | |
5203 | * | |
5204 | * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event | |
5205 | * is an asynchronous notified of a logical link speed change. The Port | |
5206 | * reports the logical link speed in units of 10Mbps. | |
5207 | **/ | |
5208 | static void | |
5209 | lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba, | |
5210 | struct lpfc_acqe_grp5 *acqe_grp5) | |
5211 | { | |
5212 | uint16_t prev_ll_spd; | |
5213 | ||
5214 | phba->fc_eventTag = acqe_grp5->event_tag; | |
5215 | phba->fcoe_eventtag = acqe_grp5->event_tag; | |
5216 | prev_ll_spd = phba->sli4_hba.link_state.logical_speed; | |
5217 | phba->sli4_hba.link_state.logical_speed = | |
8b68cd52 | 5218 | (bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5)) * 10; |
b19a061a JS |
5219 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
5220 | "2789 GRP5 Async Event: Updating logical link speed " | |
8b68cd52 JS |
5221 | "from %dMbps to %dMbps\n", prev_ll_spd, |
5222 | phba->sli4_hba.link_state.logical_speed); | |
b19a061a JS |
5223 | } |
5224 | ||
da0436e9 JS |
5225 | /** |
5226 | * lpfc_sli4_async_event_proc - Process all the pending asynchronous event | |
5227 | * @phba: pointer to lpfc hba data structure. | |
5228 | * | |
5229 | * This routine is invoked by the worker thread to process all the pending | |
5230 | * SLI4 asynchronous events. | |
5231 | **/ | |
5232 | void lpfc_sli4_async_event_proc(struct lpfc_hba *phba) | |
5233 | { | |
5234 | struct lpfc_cq_event *cq_event; | |
5235 | ||
5236 | /* First, declare the async event has been handled */ | |
5237 | spin_lock_irq(&phba->hbalock); | |
5238 | phba->hba_flag &= ~ASYNC_EVENT; | |
5239 | spin_unlock_irq(&phba->hbalock); | |
5240 | /* Now, handle all the async events */ | |
5241 | while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) { | |
5242 | /* Get the first event from the head of the event queue */ | |
5243 | spin_lock_irq(&phba->hbalock); | |
5244 | list_remove_head(&phba->sli4_hba.sp_asynce_work_queue, | |
5245 | cq_event, struct lpfc_cq_event, list); | |
5246 | spin_unlock_irq(&phba->hbalock); | |
5247 | /* Process the asynchronous event */ | |
5248 | switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) { | |
5249 | case LPFC_TRAILER_CODE_LINK: | |
5250 | lpfc_sli4_async_link_evt(phba, | |
5251 | &cq_event->cqe.acqe_link); | |
5252 | break; | |
5253 | case LPFC_TRAILER_CODE_FCOE: | |
70f3c073 | 5254 | lpfc_sli4_async_fip_evt(phba, &cq_event->cqe.acqe_fip); |
da0436e9 JS |
5255 | break; |
5256 | case LPFC_TRAILER_CODE_DCBX: | |
5257 | lpfc_sli4_async_dcbx_evt(phba, | |
5258 | &cq_event->cqe.acqe_dcbx); | |
5259 | break; | |
b19a061a JS |
5260 | case LPFC_TRAILER_CODE_GRP5: |
5261 | lpfc_sli4_async_grp5_evt(phba, | |
5262 | &cq_event->cqe.acqe_grp5); | |
5263 | break; | |
70f3c073 JS |
5264 | case LPFC_TRAILER_CODE_FC: |
5265 | lpfc_sli4_async_fc_evt(phba, &cq_event->cqe.acqe_fc); | |
5266 | break; | |
5267 | case LPFC_TRAILER_CODE_SLI: | |
5268 | lpfc_sli4_async_sli_evt(phba, &cq_event->cqe.acqe_sli); | |
5269 | break; | |
da0436e9 JS |
5270 | default: |
5271 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
5272 | "1804 Invalid asynchrous event code: " | |
5273 | "x%x\n", bf_get(lpfc_trailer_code, | |
5274 | &cq_event->cqe.mcqe_cmpl)); | |
5275 | break; | |
5276 | } | |
5277 | /* Free the completion event processed to the free pool */ | |
5278 | lpfc_sli4_cq_event_release(phba, cq_event); | |
5279 | } | |
5280 | } | |
5281 | ||
ecfd03c6 JS |
5282 | /** |
5283 | * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event | |
5284 | * @phba: pointer to lpfc hba data structure. | |
5285 | * | |
5286 | * This routine is invoked by the worker thread to process FCF table | |
5287 | * rediscovery pending completion event. | |
5288 | **/ | |
5289 | void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba) | |
5290 | { | |
5291 | int rc; | |
5292 | ||
5293 | spin_lock_irq(&phba->hbalock); | |
5294 | /* Clear FCF rediscovery timeout event */ | |
5295 | phba->fcf.fcf_flag &= ~FCF_REDISC_EVT; | |
5296 | /* Clear driver fast failover FCF record flag */ | |
5297 | phba->fcf.failover_rec.flag = 0; | |
5298 | /* Set state for FCF fast failover */ | |
5299 | phba->fcf.fcf_flag |= FCF_REDISC_FOV; | |
5300 | spin_unlock_irq(&phba->hbalock); | |
5301 | ||
5302 | /* Scan FCF table from the first entry to re-discover SAN */ | |
0c9ab6f5 | 5303 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, |
a93ff37a | 5304 | "2777 Start post-quiescent FCF table scan\n"); |
0c9ab6f5 | 5305 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); |
ecfd03c6 | 5306 | if (rc) |
0c9ab6f5 JS |
5307 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
5308 | "2747 Issue FCF scan read FCF mailbox " | |
5309 | "command failed 0x%x\n", rc); | |
ecfd03c6 JS |
5310 | } |
5311 | ||
da0436e9 JS |
5312 | /** |
5313 | * lpfc_api_table_setup - Set up per hba pci-device group func api jump table | |
5314 | * @phba: pointer to lpfc hba data structure. | |
5315 | * @dev_grp: The HBA PCI-Device group number. | |
5316 | * | |
5317 | * This routine is invoked to set up the per HBA PCI-Device group function | |
5318 | * API jump table entries. | |
5319 | * | |
5320 | * Return: 0 if success, otherwise -ENODEV | |
5321 | **/ | |
5322 | int | |
5323 | lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
5324 | { | |
5325 | int rc; | |
5326 | ||
5327 | /* Set up lpfc PCI-device group */ | |
5328 | phba->pci_dev_grp = dev_grp; | |
5329 | ||
5330 | /* The LPFC_PCI_DEV_OC uses SLI4 */ | |
5331 | if (dev_grp == LPFC_PCI_DEV_OC) | |
5332 | phba->sli_rev = LPFC_SLI_REV4; | |
5333 | ||
5334 | /* Set up device INIT API function jump table */ | |
5335 | rc = lpfc_init_api_table_setup(phba, dev_grp); | |
5336 | if (rc) | |
5337 | return -ENODEV; | |
5338 | /* Set up SCSI API function jump table */ | |
5339 | rc = lpfc_scsi_api_table_setup(phba, dev_grp); | |
5340 | if (rc) | |
5341 | return -ENODEV; | |
5342 | /* Set up SLI API function jump table */ | |
5343 | rc = lpfc_sli_api_table_setup(phba, dev_grp); | |
5344 | if (rc) | |
5345 | return -ENODEV; | |
5346 | /* Set up MBOX API function jump table */ | |
5347 | rc = lpfc_mbox_api_table_setup(phba, dev_grp); | |
5348 | if (rc) | |
5349 | return -ENODEV; | |
5350 | ||
5351 | return 0; | |
5b75da2f JS |
5352 | } |
5353 | ||
5354 | /** | |
3621a710 | 5355 | * lpfc_log_intr_mode - Log the active interrupt mode |
5b75da2f JS |
5356 | * @phba: pointer to lpfc hba data structure. |
5357 | * @intr_mode: active interrupt mode adopted. | |
5358 | * | |
5359 | * This routine it invoked to log the currently used active interrupt mode | |
5360 | * to the device. | |
3772a991 JS |
5361 | **/ |
5362 | static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode) | |
5b75da2f JS |
5363 | { |
5364 | switch (intr_mode) { | |
5365 | case 0: | |
5366 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5367 | "0470 Enable INTx interrupt mode.\n"); | |
5368 | break; | |
5369 | case 1: | |
5370 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5371 | "0481 Enabled MSI interrupt mode.\n"); | |
5372 | break; | |
5373 | case 2: | |
5374 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5375 | "0480 Enabled MSI-X interrupt mode.\n"); | |
5376 | break; | |
5377 | default: | |
5378 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5379 | "0482 Illegal interrupt mode.\n"); | |
5380 | break; | |
5381 | } | |
5382 | return; | |
5383 | } | |
5384 | ||
5b75da2f | 5385 | /** |
3772a991 | 5386 | * lpfc_enable_pci_dev - Enable a generic PCI device. |
5b75da2f JS |
5387 | * @phba: pointer to lpfc hba data structure. |
5388 | * | |
3772a991 JS |
5389 | * This routine is invoked to enable the PCI device that is common to all |
5390 | * PCI devices. | |
5b75da2f JS |
5391 | * |
5392 | * Return codes | |
af901ca1 | 5393 | * 0 - successful |
3772a991 | 5394 | * other values - error |
5b75da2f | 5395 | **/ |
3772a991 JS |
5396 | static int |
5397 | lpfc_enable_pci_dev(struct lpfc_hba *phba) | |
5b75da2f | 5398 | { |
3772a991 | 5399 | struct pci_dev *pdev; |
5b75da2f | 5400 | |
3772a991 JS |
5401 | /* Obtain PCI device reference */ |
5402 | if (!phba->pcidev) | |
5403 | goto out_error; | |
5404 | else | |
5405 | pdev = phba->pcidev; | |
3772a991 JS |
5406 | /* Enable PCI device */ |
5407 | if (pci_enable_device_mem(pdev)) | |
5408 | goto out_error; | |
5409 | /* Request PCI resource for the device */ | |
e0c0483c | 5410 | if (pci_request_mem_regions(pdev, LPFC_DRIVER_NAME)) |
3772a991 JS |
5411 | goto out_disable_device; |
5412 | /* Set up device as PCI master and save state for EEH */ | |
5413 | pci_set_master(pdev); | |
5414 | pci_try_set_mwi(pdev); | |
5415 | pci_save_state(pdev); | |
5b75da2f | 5416 | |
0558056c | 5417 | /* PCIe EEH recovery on powerpc platforms needs fundamental reset */ |
453193e0 | 5418 | if (pci_is_pcie(pdev)) |
0558056c JS |
5419 | pdev->needs_freset = 1; |
5420 | ||
3772a991 | 5421 | return 0; |
5b75da2f | 5422 | |
3772a991 JS |
5423 | out_disable_device: |
5424 | pci_disable_device(pdev); | |
5425 | out_error: | |
079b5c91 | 5426 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e0c0483c | 5427 | "1401 Failed to enable pci device\n"); |
3772a991 | 5428 | return -ENODEV; |
5b75da2f JS |
5429 | } |
5430 | ||
5431 | /** | |
3772a991 | 5432 | * lpfc_disable_pci_dev - Disable a generic PCI device. |
5b75da2f JS |
5433 | * @phba: pointer to lpfc hba data structure. |
5434 | * | |
3772a991 JS |
5435 | * This routine is invoked to disable the PCI device that is common to all |
5436 | * PCI devices. | |
5b75da2f JS |
5437 | **/ |
5438 | static void | |
3772a991 | 5439 | lpfc_disable_pci_dev(struct lpfc_hba *phba) |
5b75da2f | 5440 | { |
3772a991 | 5441 | struct pci_dev *pdev; |
5b75da2f | 5442 | |
3772a991 JS |
5443 | /* Obtain PCI device reference */ |
5444 | if (!phba->pcidev) | |
5445 | return; | |
5446 | else | |
5447 | pdev = phba->pcidev; | |
3772a991 | 5448 | /* Release PCI resource and disable PCI device */ |
e0c0483c | 5449 | pci_release_mem_regions(pdev); |
3772a991 | 5450 | pci_disable_device(pdev); |
5b75da2f JS |
5451 | |
5452 | return; | |
5453 | } | |
5454 | ||
e59058c4 | 5455 | /** |
3772a991 JS |
5456 | * lpfc_reset_hba - Reset a hba |
5457 | * @phba: pointer to lpfc hba data structure. | |
e59058c4 | 5458 | * |
3772a991 JS |
5459 | * This routine is invoked to reset a hba device. It brings the HBA |
5460 | * offline, performs a board restart, and then brings the board back | |
5461 | * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up | |
5462 | * on outstanding mailbox commands. | |
e59058c4 | 5463 | **/ |
3772a991 JS |
5464 | void |
5465 | lpfc_reset_hba(struct lpfc_hba *phba) | |
dea3101e | 5466 | { |
3772a991 JS |
5467 | /* If resets are disabled then set error state and return. */ |
5468 | if (!phba->cfg_enable_hba_reset) { | |
5469 | phba->link_state = LPFC_HBA_ERROR; | |
5470 | return; | |
5471 | } | |
ee62021a JS |
5472 | if (phba->sli.sli_flag & LPFC_SLI_ACTIVE) |
5473 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); | |
5474 | else | |
5475 | lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); | |
3772a991 JS |
5476 | lpfc_offline(phba); |
5477 | lpfc_sli_brdrestart(phba); | |
5478 | lpfc_online(phba); | |
5479 | lpfc_unblock_mgmt_io(phba); | |
5480 | } | |
dea3101e | 5481 | |
0a96e975 JS |
5482 | /** |
5483 | * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions | |
5484 | * @phba: pointer to lpfc hba data structure. | |
5485 | * | |
5486 | * This function enables the PCI SR-IOV virtual functions to a physical | |
5487 | * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to | |
5488 | * enable the number of virtual functions to the physical function. As | |
5489 | * not all devices support SR-IOV, the return code from the pci_enable_sriov() | |
5490 | * API call does not considered as an error condition for most of the device. | |
5491 | **/ | |
5492 | uint16_t | |
5493 | lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *phba) | |
5494 | { | |
5495 | struct pci_dev *pdev = phba->pcidev; | |
5496 | uint16_t nr_virtfn; | |
5497 | int pos; | |
5498 | ||
0a96e975 JS |
5499 | pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV); |
5500 | if (pos == 0) | |
5501 | return 0; | |
5502 | ||
5503 | pci_read_config_word(pdev, pos + PCI_SRIOV_TOTAL_VF, &nr_virtfn); | |
5504 | return nr_virtfn; | |
5505 | } | |
5506 | ||
912e3acd JS |
5507 | /** |
5508 | * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions | |
5509 | * @phba: pointer to lpfc hba data structure. | |
5510 | * @nr_vfn: number of virtual functions to be enabled. | |
5511 | * | |
5512 | * This function enables the PCI SR-IOV virtual functions to a physical | |
5513 | * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to | |
5514 | * enable the number of virtual functions to the physical function. As | |
5515 | * not all devices support SR-IOV, the return code from the pci_enable_sriov() | |
5516 | * API call does not considered as an error condition for most of the device. | |
5517 | **/ | |
5518 | int | |
5519 | lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn) | |
5520 | { | |
5521 | struct pci_dev *pdev = phba->pcidev; | |
0a96e975 | 5522 | uint16_t max_nr_vfn; |
912e3acd JS |
5523 | int rc; |
5524 | ||
0a96e975 JS |
5525 | max_nr_vfn = lpfc_sli_sriov_nr_virtfn_get(phba); |
5526 | if (nr_vfn > max_nr_vfn) { | |
5527 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5528 | "3057 Requested vfs (%d) greater than " | |
5529 | "supported vfs (%d)", nr_vfn, max_nr_vfn); | |
5530 | return -EINVAL; | |
5531 | } | |
5532 | ||
912e3acd JS |
5533 | rc = pci_enable_sriov(pdev, nr_vfn); |
5534 | if (rc) { | |
5535 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
5536 | "2806 Failed to enable sriov on this device " | |
5537 | "with vfn number nr_vf:%d, rc:%d\n", | |
5538 | nr_vfn, rc); | |
5539 | } else | |
5540 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
5541 | "2807 Successful enable sriov on this device " | |
5542 | "with vfn number nr_vf:%d\n", nr_vfn); | |
5543 | return rc; | |
5544 | } | |
5545 | ||
3772a991 | 5546 | /** |
895427bd | 5547 | * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources. |
3772a991 JS |
5548 | * @phba: pointer to lpfc hba data structure. |
5549 | * | |
895427bd JS |
5550 | * This routine is invoked to set up the driver internal resources before the |
5551 | * device specific resource setup to support the HBA device it attached to. | |
3772a991 JS |
5552 | * |
5553 | * Return codes | |
895427bd JS |
5554 | * 0 - successful |
5555 | * other values - error | |
3772a991 JS |
5556 | **/ |
5557 | static int | |
895427bd | 5558 | lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba) |
3772a991 | 5559 | { |
895427bd | 5560 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 5561 | |
2e0fef85 | 5562 | /* |
895427bd | 5563 | * Driver resources common to all SLI revisions |
2e0fef85 | 5564 | */ |
895427bd JS |
5565 | atomic_set(&phba->fast_event_count, 0); |
5566 | spin_lock_init(&phba->hbalock); | |
dea3101e | 5567 | |
895427bd JS |
5568 | /* Initialize ndlp management spinlock */ |
5569 | spin_lock_init(&phba->ndlp_lock); | |
5570 | ||
5571 | INIT_LIST_HEAD(&phba->port_list); | |
5572 | INIT_LIST_HEAD(&phba->work_list); | |
5573 | init_waitqueue_head(&phba->wait_4_mlo_m_q); | |
5574 | ||
5575 | /* Initialize the wait queue head for the kernel thread */ | |
5576 | init_waitqueue_head(&phba->work_waitq); | |
5577 | ||
5578 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
f358dd0c | 5579 | "1403 Protocols supported %s %s %s\n", |
895427bd JS |
5580 | ((phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) ? |
5581 | "SCSI" : " "), | |
5582 | ((phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) ? | |
f358dd0c JS |
5583 | "NVME" : " "), |
5584 | (phba->nvmet_support ? "NVMET" : " ")); | |
895427bd JS |
5585 | |
5586 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { | |
5587 | /* Initialize the scsi buffer list used by driver for scsi IO */ | |
5588 | spin_lock_init(&phba->scsi_buf_list_get_lock); | |
5589 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get); | |
5590 | spin_lock_init(&phba->scsi_buf_list_put_lock); | |
5591 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put); | |
5592 | } | |
5593 | ||
5594 | if ((phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) && | |
5595 | (phba->nvmet_support == 0)) { | |
5596 | /* Initialize the NVME buffer list used by driver for NVME IO */ | |
5597 | spin_lock_init(&phba->nvme_buf_list_get_lock); | |
5598 | INIT_LIST_HEAD(&phba->lpfc_nvme_buf_list_get); | |
5599 | spin_lock_init(&phba->nvme_buf_list_put_lock); | |
5600 | INIT_LIST_HEAD(&phba->lpfc_nvme_buf_list_put); | |
5601 | } | |
5602 | ||
5603 | /* Initialize the fabric iocb list */ | |
5604 | INIT_LIST_HEAD(&phba->fabric_iocb_list); | |
5605 | ||
5606 | /* Initialize list to save ELS buffers */ | |
5607 | INIT_LIST_HEAD(&phba->elsbuf); | |
5608 | ||
5609 | /* Initialize FCF connection rec list */ | |
5610 | INIT_LIST_HEAD(&phba->fcf_conn_rec_list); | |
5611 | ||
5612 | /* Initialize OAS configuration list */ | |
5613 | spin_lock_init(&phba->devicelock); | |
5614 | INIT_LIST_HEAD(&phba->luns); | |
858c9f6c | 5615 | |
3772a991 | 5616 | /* MBOX heartbeat timer */ |
33cc559a | 5617 | setup_timer(&psli->mbox_tmo, lpfc_mbox_timeout, (unsigned long)phba); |
3772a991 | 5618 | /* Fabric block timer */ |
33cc559a TJ |
5619 | setup_timer(&phba->fabric_block_timer, lpfc_fabric_block_timeout, |
5620 | (unsigned long)phba); | |
3772a991 | 5621 | /* EA polling mode timer */ |
33cc559a TJ |
5622 | setup_timer(&phba->eratt_poll, lpfc_poll_eratt, |
5623 | (unsigned long)phba); | |
895427bd | 5624 | /* Heartbeat timer */ |
33cc559a | 5625 | setup_timer(&phba->hb_tmofunc, lpfc_hb_timeout, (unsigned long)phba); |
895427bd JS |
5626 | |
5627 | return 0; | |
5628 | } | |
5629 | ||
5630 | /** | |
5631 | * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev | |
5632 | * @phba: pointer to lpfc hba data structure. | |
5633 | * | |
5634 | * This routine is invoked to set up the driver internal resources specific to | |
5635 | * support the SLI-3 HBA device it attached to. | |
5636 | * | |
5637 | * Return codes | |
5638 | * 0 - successful | |
5639 | * other values - error | |
5640 | **/ | |
5641 | static int | |
5642 | lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) | |
5643 | { | |
5644 | int rc; | |
5645 | ||
5646 | /* | |
5647 | * Initialize timers used by driver | |
5648 | */ | |
5649 | ||
5650 | /* FCP polling mode timer */ | |
33cc559a TJ |
5651 | setup_timer(&phba->fcp_poll_timer, lpfc_poll_timeout, |
5652 | (unsigned long)phba); | |
dea3101e | 5653 | |
3772a991 JS |
5654 | /* Host attention work mask setup */ |
5655 | phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT); | |
5656 | phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); | |
dea3101e | 5657 | |
3772a991 JS |
5658 | /* Get all the module params for configuring this host */ |
5659 | lpfc_get_cfgparam(phba); | |
895427bd JS |
5660 | /* Set up phase-1 common device driver resources */ |
5661 | ||
5662 | rc = lpfc_setup_driver_resource_phase1(phba); | |
5663 | if (rc) | |
5664 | return -ENODEV; | |
5665 | ||
49198b37 JS |
5666 | if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) { |
5667 | phba->menlo_flag |= HBA_MENLO_SUPPORT; | |
5668 | /* check for menlo minimum sg count */ | |
5669 | if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT) | |
5670 | phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT; | |
5671 | } | |
5672 | ||
895427bd JS |
5673 | if (!phba->sli.sli3_ring) |
5674 | phba->sli.sli3_ring = kzalloc(LPFC_SLI3_MAX_RING * | |
2a76a283 | 5675 | sizeof(struct lpfc_sli_ring), GFP_KERNEL); |
895427bd | 5676 | if (!phba->sli.sli3_ring) |
2a76a283 JS |
5677 | return -ENOMEM; |
5678 | ||
dea3101e | 5679 | /* |
96f7077f | 5680 | * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size |
3772a991 | 5681 | * used to create the sg_dma_buf_pool must be dynamically calculated. |
dea3101e | 5682 | */ |
3772a991 | 5683 | |
96f7077f JS |
5684 | /* Initialize the host templates the configured values. */ |
5685 | lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
96418b5e JS |
5686 | lpfc_template_no_hr.sg_tablesize = phba->cfg_sg_seg_cnt; |
5687 | lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
96f7077f JS |
5688 | |
5689 | /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */ | |
3772a991 | 5690 | if (phba->cfg_enable_bg) { |
96f7077f JS |
5691 | /* |
5692 | * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd, | |
5693 | * the FCP rsp, and a BDE for each. Sice we have no control | |
5694 | * over how many protection data segments the SCSI Layer | |
5695 | * will hand us (ie: there could be one for every block | |
5696 | * in the IO), we just allocate enough BDEs to accomidate | |
5697 | * our max amount and we need to limit lpfc_sg_seg_cnt to | |
5698 | * minimize the risk of running out. | |
5699 | */ | |
5700 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
5701 | sizeof(struct fcp_rsp) + | |
5702 | (LPFC_MAX_SG_SEG_CNT * sizeof(struct ulp_bde64)); | |
5703 | ||
5704 | if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SEG_CNT_DIF) | |
5705 | phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT_DIF; | |
5706 | ||
5707 | /* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */ | |
5708 | phba->cfg_total_seg_cnt = LPFC_MAX_SG_SEG_CNT; | |
5709 | } else { | |
5710 | /* | |
5711 | * The scsi_buf for a regular I/O will hold the FCP cmnd, | |
5712 | * the FCP rsp, a BDE for each, and a BDE for up to | |
5713 | * cfg_sg_seg_cnt data segments. | |
5714 | */ | |
5715 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
5716 | sizeof(struct fcp_rsp) + | |
5717 | ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64)); | |
5718 | ||
5719 | /* Total BDEs in BPL for scsi_sg_list */ | |
5720 | phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2; | |
901a920f | 5721 | } |
dea3101e | 5722 | |
96f7077f JS |
5723 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP, |
5724 | "9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n", | |
5725 | phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size, | |
5726 | phba->cfg_total_seg_cnt); | |
dea3101e | 5727 | |
3772a991 JS |
5728 | phba->max_vpi = LPFC_MAX_VPI; |
5729 | /* This will be set to correct value after config_port mbox */ | |
5730 | phba->max_vports = 0; | |
dea3101e | 5731 | |
3772a991 JS |
5732 | /* |
5733 | * Initialize the SLI Layer to run with lpfc HBAs. | |
5734 | */ | |
5735 | lpfc_sli_setup(phba); | |
895427bd | 5736 | lpfc_sli_queue_init(phba); |
ed957684 | 5737 | |
3772a991 JS |
5738 | /* Allocate device driver memory */ |
5739 | if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ)) | |
5740 | return -ENOMEM; | |
51ef4c26 | 5741 | |
912e3acd JS |
5742 | /* |
5743 | * Enable sr-iov virtual functions if supported and configured | |
5744 | * through the module parameter. | |
5745 | */ | |
5746 | if (phba->cfg_sriov_nr_virtfn > 0) { | |
5747 | rc = lpfc_sli_probe_sriov_nr_virtfn(phba, | |
5748 | phba->cfg_sriov_nr_virtfn); | |
5749 | if (rc) { | |
5750 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
5751 | "2808 Requested number of SR-IOV " | |
5752 | "virtual functions (%d) is not " | |
5753 | "supported\n", | |
5754 | phba->cfg_sriov_nr_virtfn); | |
5755 | phba->cfg_sriov_nr_virtfn = 0; | |
5756 | } | |
5757 | } | |
5758 | ||
3772a991 JS |
5759 | return 0; |
5760 | } | |
ed957684 | 5761 | |
3772a991 JS |
5762 | /** |
5763 | * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev | |
5764 | * @phba: pointer to lpfc hba data structure. | |
5765 | * | |
5766 | * This routine is invoked to unset the driver internal resources set up | |
5767 | * specific for supporting the SLI-3 HBA device it attached to. | |
5768 | **/ | |
5769 | static void | |
5770 | lpfc_sli_driver_resource_unset(struct lpfc_hba *phba) | |
5771 | { | |
5772 | /* Free device driver memory allocated */ | |
5773 | lpfc_mem_free_all(phba); | |
3163f725 | 5774 | |
3772a991 JS |
5775 | return; |
5776 | } | |
dea3101e | 5777 | |
3772a991 | 5778 | /** |
da0436e9 | 5779 | * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev |
3772a991 JS |
5780 | * @phba: pointer to lpfc hba data structure. |
5781 | * | |
da0436e9 JS |
5782 | * This routine is invoked to set up the driver internal resources specific to |
5783 | * support the SLI-4 HBA device it attached to. | |
3772a991 JS |
5784 | * |
5785 | * Return codes | |
af901ca1 | 5786 | * 0 - successful |
da0436e9 | 5787 | * other values - error |
3772a991 JS |
5788 | **/ |
5789 | static int | |
da0436e9 | 5790 | lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) |
3772a991 | 5791 | { |
28baac74 | 5792 | LPFC_MBOXQ_t *mboxq; |
f358dd0c | 5793 | MAILBOX_t *mb; |
895427bd | 5794 | int rc, i, max_buf_size; |
28baac74 JS |
5795 | uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0}; |
5796 | struct lpfc_mqe *mqe; | |
09294d46 | 5797 | int longs; |
1ba981fd | 5798 | int fof_vectors = 0; |
f358dd0c | 5799 | uint64_t wwn; |
da0436e9 | 5800 | |
895427bd JS |
5801 | phba->sli4_hba.num_online_cpu = num_online_cpus(); |
5802 | phba->sli4_hba.num_present_cpu = lpfc_present_cpu; | |
5803 | phba->sli4_hba.curr_disp_cpu = 0; | |
5804 | ||
716d3bc5 JS |
5805 | /* Get all the module params for configuring this host */ |
5806 | lpfc_get_cfgparam(phba); | |
5807 | ||
895427bd JS |
5808 | /* Set up phase-1 common device driver resources */ |
5809 | rc = lpfc_setup_driver_resource_phase1(phba); | |
5810 | if (rc) | |
5811 | return -ENODEV; | |
5812 | ||
da0436e9 JS |
5813 | /* Before proceed, wait for POST done and device ready */ |
5814 | rc = lpfc_sli4_post_status_check(phba); | |
5815 | if (rc) | |
5816 | return -ENODEV; | |
5817 | ||
3772a991 | 5818 | /* |
da0436e9 | 5819 | * Initialize timers used by driver |
3772a991 | 5820 | */ |
3772a991 | 5821 | |
33cc559a | 5822 | setup_timer(&phba->rrq_tmr, lpfc_rrq_timeout, (unsigned long)phba); |
3772a991 | 5823 | |
ecfd03c6 | 5824 | /* FCF rediscover timer */ |
33cc559a TJ |
5825 | setup_timer(&phba->fcf.redisc_wait, lpfc_sli4_fcf_redisc_wait_tmo, |
5826 | (unsigned long)phba); | |
ecfd03c6 | 5827 | |
7ad20aa9 JS |
5828 | /* |
5829 | * Control structure for handling external multi-buffer mailbox | |
5830 | * command pass-through. | |
5831 | */ | |
5832 | memset((uint8_t *)&phba->mbox_ext_buf_ctx, 0, | |
5833 | sizeof(struct lpfc_mbox_ext_buf_ctx)); | |
5834 | INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list); | |
5835 | ||
da0436e9 | 5836 | phba->max_vpi = LPFC_MAX_VPI; |
67d12733 | 5837 | |
da0436e9 JS |
5838 | /* This will be set to correct value after the read_config mbox */ |
5839 | phba->max_vports = 0; | |
3772a991 | 5840 | |
da0436e9 JS |
5841 | /* Program the default value of vlan_id and fc_map */ |
5842 | phba->valid_vlan = 0; | |
5843 | phba->fc_map[0] = LPFC_FCOE_FCF_MAP0; | |
5844 | phba->fc_map[1] = LPFC_FCOE_FCF_MAP1; | |
5845 | phba->fc_map[2] = LPFC_FCOE_FCF_MAP2; | |
3772a991 | 5846 | |
2a76a283 JS |
5847 | /* |
5848 | * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands | |
895427bd JS |
5849 | * we will associate a new ring, for each EQ/CQ/WQ tuple. |
5850 | * The WQ create will allocate the ring. | |
2a76a283 | 5851 | */ |
09294d46 | 5852 | |
da0436e9 | 5853 | /* |
09294d46 JS |
5854 | * It doesn't matter what family our adapter is in, we are |
5855 | * limited to 2 Pages, 512 SGEs, for our SGL. | |
5856 | * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp | |
5857 | */ | |
5858 | max_buf_size = (2 * SLI4_PAGE_SIZE); | |
5859 | if (phba->cfg_sg_seg_cnt > LPFC_MAX_SGL_SEG_CNT - 2) | |
5860 | phba->cfg_sg_seg_cnt = LPFC_MAX_SGL_SEG_CNT - 2; | |
09294d46 | 5861 | |
da0436e9 | 5862 | /* |
895427bd JS |
5863 | * Since lpfc_sg_seg_cnt is module param, the sg_dma_buf_size |
5864 | * used to create the sg_dma_buf_pool must be calculated. | |
da0436e9 | 5865 | */ |
96f7077f JS |
5866 | if (phba->cfg_enable_bg) { |
5867 | /* | |
895427bd JS |
5868 | * The scsi_buf for a T10-DIF I/O holds the FCP cmnd, |
5869 | * the FCP rsp, and a SGE. Sice we have no control | |
5870 | * over how many protection segments the SCSI Layer | |
96f7077f | 5871 | * will hand us (ie: there could be one for every block |
895427bd JS |
5872 | * in the IO), just allocate enough SGEs to accomidate |
5873 | * our max amount and we need to limit lpfc_sg_seg_cnt | |
5874 | * to minimize the risk of running out. | |
96f7077f JS |
5875 | */ |
5876 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
895427bd | 5877 | sizeof(struct fcp_rsp) + max_buf_size; |
96f7077f JS |
5878 | |
5879 | /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */ | |
5880 | phba->cfg_total_seg_cnt = LPFC_MAX_SGL_SEG_CNT; | |
5881 | ||
5882 | if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SLI4_SEG_CNT_DIF) | |
895427bd JS |
5883 | phba->cfg_sg_seg_cnt = |
5884 | LPFC_MAX_SG_SLI4_SEG_CNT_DIF; | |
96f7077f JS |
5885 | } else { |
5886 | /* | |
895427bd | 5887 | * The scsi_buf for a regular I/O holds the FCP cmnd, |
96f7077f JS |
5888 | * the FCP rsp, a SGE for each, and a SGE for up to |
5889 | * cfg_sg_seg_cnt data segments. | |
5890 | */ | |
5891 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
895427bd JS |
5892 | sizeof(struct fcp_rsp) + |
5893 | ((phba->cfg_sg_seg_cnt + 2) * | |
5894 | sizeof(struct sli4_sge)); | |
96f7077f JS |
5895 | |
5896 | /* Total SGEs for scsi_sg_list */ | |
5897 | phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2; | |
895427bd | 5898 | |
96f7077f | 5899 | /* |
895427bd JS |
5900 | * NOTE: if (phba->cfg_sg_seg_cnt + 2) <= 256 we only |
5901 | * need to post 1 page for the SGL. | |
96f7077f | 5902 | */ |
085c647c | 5903 | } |
acd6859b | 5904 | |
96f7077f JS |
5905 | /* Initialize the host templates with the updated values. */ |
5906 | lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
5907 | lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
96418b5e | 5908 | lpfc_template_no_hr.sg_tablesize = phba->cfg_sg_seg_cnt; |
96f7077f JS |
5909 | |
5910 | if (phba->cfg_sg_dma_buf_size <= LPFC_MIN_SG_SLI4_BUF_SZ) | |
5911 | phba->cfg_sg_dma_buf_size = LPFC_MIN_SG_SLI4_BUF_SZ; | |
5912 | else | |
5913 | phba->cfg_sg_dma_buf_size = | |
5914 | SLI4_PAGE_ALIGN(phba->cfg_sg_dma_buf_size); | |
5915 | ||
5916 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP, | |
5917 | "9087 sg_tablesize:%d dmabuf_size:%d total_sge:%d\n", | |
5918 | phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size, | |
5919 | phba->cfg_total_seg_cnt); | |
3772a991 | 5920 | |
da0436e9 | 5921 | /* Initialize buffer queue management fields */ |
895427bd | 5922 | INIT_LIST_HEAD(&phba->hbqs[LPFC_ELS_HBQ].hbq_buffer_list); |
da0436e9 JS |
5923 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc; |
5924 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free; | |
3772a991 | 5925 | |
da0436e9 JS |
5926 | /* |
5927 | * Initialize the SLI Layer to run with lpfc SLI4 HBAs. | |
5928 | */ | |
895427bd JS |
5929 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { |
5930 | /* Initialize the Abort scsi buffer list used by driver */ | |
5931 | spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
5932 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list); | |
5933 | } | |
5934 | ||
5935 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { | |
5936 | /* Initialize the Abort nvme buffer list used by driver */ | |
5937 | spin_lock_init(&phba->sli4_hba.abts_nvme_buf_list_lock); | |
5938 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvme_buf_list); | |
86c67379 | 5939 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list); |
966bb5b7 JS |
5940 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_ctx_get_list); |
5941 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_ctx_put_list); | |
a8cf5dfe | 5942 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_io_wait_list); |
6c621a22 | 5943 | |
318083ad JS |
5944 | /* Fast-path XRI aborted CQ Event work queue list */ |
5945 | INIT_LIST_HEAD(&phba->sli4_hba.sp_nvme_xri_aborted_work_queue); | |
895427bd JS |
5946 | } |
5947 | ||
da0436e9 | 5948 | /* This abort list used by worker thread */ |
895427bd | 5949 | spin_lock_init(&phba->sli4_hba.sgl_list_lock); |
966bb5b7 JS |
5950 | spin_lock_init(&phba->sli4_hba.nvmet_ctx_get_lock); |
5951 | spin_lock_init(&phba->sli4_hba.nvmet_ctx_put_lock); | |
a8cf5dfe | 5952 | spin_lock_init(&phba->sli4_hba.nvmet_io_wait_lock); |
3772a991 | 5953 | |
da0436e9 | 5954 | /* |
6d368e53 | 5955 | * Initialize driver internal slow-path work queues |
da0436e9 | 5956 | */ |
3772a991 | 5957 | |
da0436e9 JS |
5958 | /* Driver internel slow-path CQ Event pool */ |
5959 | INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool); | |
5960 | /* Response IOCB work queue list */ | |
45ed1190 | 5961 | INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event); |
da0436e9 JS |
5962 | /* Asynchronous event CQ Event work queue list */ |
5963 | INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue); | |
5964 | /* Fast-path XRI aborted CQ Event work queue list */ | |
5965 | INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue); | |
5966 | /* Slow-path XRI aborted CQ Event work queue list */ | |
5967 | INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue); | |
5968 | /* Receive queue CQ Event work queue list */ | |
5969 | INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue); | |
5970 | ||
6d368e53 JS |
5971 | /* Initialize extent block lists. */ |
5972 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_blk_list); | |
5973 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_xri_blk_list); | |
5974 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_vfi_blk_list); | |
5975 | INIT_LIST_HEAD(&phba->lpfc_vpi_blk_list); | |
5976 | ||
d1f525aa JS |
5977 | /* Initialize mboxq lists. If the early init routines fail |
5978 | * these lists need to be correctly initialized. | |
5979 | */ | |
5980 | INIT_LIST_HEAD(&phba->sli.mboxq); | |
5981 | INIT_LIST_HEAD(&phba->sli.mboxq_cmpl); | |
5982 | ||
448193b5 JS |
5983 | /* initialize optic_state to 0xFF */ |
5984 | phba->sli4_hba.lnk_info.optic_state = 0xff; | |
5985 | ||
da0436e9 JS |
5986 | /* Allocate device driver memory */ |
5987 | rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ); | |
5988 | if (rc) | |
5989 | return -ENOMEM; | |
5990 | ||
2fcee4bf JS |
5991 | /* IF Type 2 ports get initialized now. */ |
5992 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == | |
5993 | LPFC_SLI_INTF_IF_TYPE_2) { | |
5994 | rc = lpfc_pci_function_reset(phba); | |
895427bd JS |
5995 | if (unlikely(rc)) { |
5996 | rc = -ENODEV; | |
5997 | goto out_free_mem; | |
5998 | } | |
946727dc | 5999 | phba->temp_sensor_support = 1; |
2fcee4bf JS |
6000 | } |
6001 | ||
da0436e9 JS |
6002 | /* Create the bootstrap mailbox command */ |
6003 | rc = lpfc_create_bootstrap_mbox(phba); | |
6004 | if (unlikely(rc)) | |
6005 | goto out_free_mem; | |
6006 | ||
6007 | /* Set up the host's endian order with the device. */ | |
6008 | rc = lpfc_setup_endian_order(phba); | |
6009 | if (unlikely(rc)) | |
6010 | goto out_free_bsmbx; | |
6011 | ||
6012 | /* Set up the hba's configuration parameters. */ | |
6013 | rc = lpfc_sli4_read_config(phba); | |
cff261f6 JS |
6014 | if (unlikely(rc)) |
6015 | goto out_free_bsmbx; | |
6016 | rc = lpfc_mem_alloc_active_rrq_pool_s4(phba); | |
da0436e9 JS |
6017 | if (unlikely(rc)) |
6018 | goto out_free_bsmbx; | |
6019 | ||
2fcee4bf JS |
6020 | /* IF Type 0 ports get initialized now. */ |
6021 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == | |
6022 | LPFC_SLI_INTF_IF_TYPE_0) { | |
6023 | rc = lpfc_pci_function_reset(phba); | |
6024 | if (unlikely(rc)) | |
6025 | goto out_free_bsmbx; | |
6026 | } | |
da0436e9 | 6027 | |
cb5172ea JS |
6028 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, |
6029 | GFP_KERNEL); | |
6030 | if (!mboxq) { | |
6031 | rc = -ENOMEM; | |
6032 | goto out_free_bsmbx; | |
6033 | } | |
6034 | ||
f358dd0c | 6035 | /* Check for NVMET being configured */ |
895427bd | 6036 | phba->nvmet_support = 0; |
f358dd0c JS |
6037 | if (lpfc_enable_nvmet_cnt) { |
6038 | ||
6039 | /* First get WWN of HBA instance */ | |
6040 | lpfc_read_nv(phba, mboxq); | |
6041 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
6042 | if (rc != MBX_SUCCESS) { | |
6043 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6044 | "6016 Mailbox failed , mbxCmd x%x " | |
6045 | "READ_NV, mbxStatus x%x\n", | |
6046 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
6047 | bf_get(lpfc_mqe_status, &mboxq->u.mqe)); | |
d1f525aa | 6048 | mempool_free(mboxq, phba->mbox_mem_pool); |
f358dd0c JS |
6049 | rc = -EIO; |
6050 | goto out_free_bsmbx; | |
6051 | } | |
6052 | mb = &mboxq->u.mb; | |
6053 | memcpy(&wwn, (char *)mb->un.varRDnvp.nodename, | |
6054 | sizeof(uint64_t)); | |
6055 | wwn = cpu_to_be64(wwn); | |
6056 | phba->sli4_hba.wwnn.u.name = wwn; | |
6057 | memcpy(&wwn, (char *)mb->un.varRDnvp.portname, | |
6058 | sizeof(uint64_t)); | |
6059 | /* wwn is WWPN of HBA instance */ | |
6060 | wwn = cpu_to_be64(wwn); | |
6061 | phba->sli4_hba.wwpn.u.name = wwn; | |
6062 | ||
6063 | /* Check to see if it matches any module parameter */ | |
6064 | for (i = 0; i < lpfc_enable_nvmet_cnt; i++) { | |
6065 | if (wwn == lpfc_enable_nvmet[i]) { | |
7d708033 | 6066 | #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) |
3c603be9 JS |
6067 | if (lpfc_nvmet_mem_alloc(phba)) |
6068 | break; | |
6069 | ||
6070 | phba->nvmet_support = 1; /* a match */ | |
6071 | ||
f358dd0c JS |
6072 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
6073 | "6017 NVME Target %016llx\n", | |
6074 | wwn); | |
7d708033 JS |
6075 | #else |
6076 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6077 | "6021 Can't enable NVME Target." | |
6078 | " NVME_TARGET_FC infrastructure" | |
6079 | " is not in kernel\n"); | |
6080 | #endif | |
3c603be9 | 6081 | break; |
f358dd0c JS |
6082 | } |
6083 | } | |
6084 | } | |
895427bd JS |
6085 | |
6086 | lpfc_nvme_mod_param_dep(phba); | |
6087 | ||
fedd3b7b | 6088 | /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */ |
cb5172ea JS |
6089 | lpfc_supported_pages(mboxq); |
6090 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
fedd3b7b JS |
6091 | if (!rc) { |
6092 | mqe = &mboxq->u.mqe; | |
6093 | memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3), | |
6094 | LPFC_MAX_SUPPORTED_PAGES); | |
6095 | for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) { | |
6096 | switch (pn_page[i]) { | |
6097 | case LPFC_SLI4_PARAMETERS: | |
6098 | phba->sli4_hba.pc_sli4_params.supported = 1; | |
6099 | break; | |
6100 | default: | |
6101 | break; | |
6102 | } | |
6103 | } | |
6104 | /* Read the port's SLI4 Parameters capabilities if supported. */ | |
6105 | if (phba->sli4_hba.pc_sli4_params.supported) | |
6106 | rc = lpfc_pc_sli4_params_get(phba, mboxq); | |
6107 | if (rc) { | |
6108 | mempool_free(mboxq, phba->mbox_mem_pool); | |
6109 | rc = -EIO; | |
6110 | goto out_free_bsmbx; | |
cb5172ea JS |
6111 | } |
6112 | } | |
65791f1f | 6113 | |
fedd3b7b JS |
6114 | /* |
6115 | * Get sli4 parameters that override parameters from Port capabilities. | |
6d368e53 JS |
6116 | * If this call fails, it isn't critical unless the SLI4 parameters come |
6117 | * back in conflict. | |
fedd3b7b | 6118 | */ |
6d368e53 JS |
6119 | rc = lpfc_get_sli4_parameters(phba, mboxq); |
6120 | if (rc) { | |
6121 | if (phba->sli4_hba.extents_in_use && | |
6122 | phba->sli4_hba.rpi_hdrs_in_use) { | |
6123 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6124 | "2999 Unsupported SLI4 Parameters " | |
6125 | "Extents and RPI headers enabled.\n"); | |
6d368e53 | 6126 | } |
895427bd JS |
6127 | mempool_free(mboxq, phba->mbox_mem_pool); |
6128 | goto out_free_bsmbx; | |
6d368e53 | 6129 | } |
895427bd | 6130 | |
cb5172ea | 6131 | mempool_free(mboxq, phba->mbox_mem_pool); |
1ba981fd JS |
6132 | |
6133 | /* Verify OAS is supported */ | |
6134 | lpfc_sli4_oas_verify(phba); | |
6135 | if (phba->cfg_fof) | |
6136 | fof_vectors = 1; | |
6137 | ||
5350d872 JS |
6138 | /* Verify all the SLI4 queues */ |
6139 | rc = lpfc_sli4_queue_verify(phba); | |
da0436e9 JS |
6140 | if (rc) |
6141 | goto out_free_bsmbx; | |
6142 | ||
6143 | /* Create driver internal CQE event pool */ | |
6144 | rc = lpfc_sli4_cq_event_pool_create(phba); | |
6145 | if (rc) | |
5350d872 | 6146 | goto out_free_bsmbx; |
da0436e9 | 6147 | |
8a9d2e80 JS |
6148 | /* Initialize sgl lists per host */ |
6149 | lpfc_init_sgl_list(phba); | |
6150 | ||
6151 | /* Allocate and initialize active sgl array */ | |
da0436e9 JS |
6152 | rc = lpfc_init_active_sgl_array(phba); |
6153 | if (rc) { | |
6154 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6155 | "1430 Failed to initialize sgl list.\n"); | |
8a9d2e80 | 6156 | goto out_destroy_cq_event_pool; |
da0436e9 | 6157 | } |
da0436e9 JS |
6158 | rc = lpfc_sli4_init_rpi_hdrs(phba); |
6159 | if (rc) { | |
6160 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6161 | "1432 Failed to initialize rpi headers.\n"); | |
6162 | goto out_free_active_sgl; | |
6163 | } | |
6164 | ||
a93ff37a | 6165 | /* Allocate eligible FCF bmask memory for FCF roundrobin failover */ |
0c9ab6f5 JS |
6166 | longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG; |
6167 | phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long), | |
6168 | GFP_KERNEL); | |
6169 | if (!phba->fcf.fcf_rr_bmask) { | |
6170 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6171 | "2759 Failed allocate memory for FCF round " | |
6172 | "robin failover bmask\n"); | |
0558056c | 6173 | rc = -ENOMEM; |
0c9ab6f5 JS |
6174 | goto out_remove_rpi_hdrs; |
6175 | } | |
6176 | ||
895427bd JS |
6177 | phba->sli4_hba.hba_eq_hdl = kcalloc(fof_vectors + phba->io_channel_irqs, |
6178 | sizeof(struct lpfc_hba_eq_hdl), | |
6179 | GFP_KERNEL); | |
6180 | if (!phba->sli4_hba.hba_eq_hdl) { | |
67d12733 JS |
6181 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
6182 | "2572 Failed allocate memory for " | |
6183 | "fast-path per-EQ handle array\n"); | |
6184 | rc = -ENOMEM; | |
6185 | goto out_free_fcf_rr_bmask; | |
da0436e9 JS |
6186 | } |
6187 | ||
895427bd JS |
6188 | phba->sli4_hba.cpu_map = kcalloc(phba->sli4_hba.num_present_cpu, |
6189 | sizeof(struct lpfc_vector_map_info), | |
6190 | GFP_KERNEL); | |
7bb03bbf JS |
6191 | if (!phba->sli4_hba.cpu_map) { |
6192 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6193 | "3327 Failed allocate memory for msi-x " | |
6194 | "interrupt vector mapping\n"); | |
6195 | rc = -ENOMEM; | |
895427bd | 6196 | goto out_free_hba_eq_hdl; |
7bb03bbf | 6197 | } |
b246de17 | 6198 | if (lpfc_used_cpu == NULL) { |
895427bd JS |
6199 | lpfc_used_cpu = kcalloc(lpfc_present_cpu, sizeof(uint16_t), |
6200 | GFP_KERNEL); | |
b246de17 JS |
6201 | if (!lpfc_used_cpu) { |
6202 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6203 | "3335 Failed allocate memory for msi-x " | |
6204 | "interrupt vector mapping\n"); | |
6205 | kfree(phba->sli4_hba.cpu_map); | |
6206 | rc = -ENOMEM; | |
895427bd | 6207 | goto out_free_hba_eq_hdl; |
b246de17 JS |
6208 | } |
6209 | for (i = 0; i < lpfc_present_cpu; i++) | |
6210 | lpfc_used_cpu[i] = LPFC_VECTOR_MAP_EMPTY; | |
6211 | } | |
6212 | ||
912e3acd JS |
6213 | /* |
6214 | * Enable sr-iov virtual functions if supported and configured | |
6215 | * through the module parameter. | |
6216 | */ | |
6217 | if (phba->cfg_sriov_nr_virtfn > 0) { | |
6218 | rc = lpfc_sli_probe_sriov_nr_virtfn(phba, | |
6219 | phba->cfg_sriov_nr_virtfn); | |
6220 | if (rc) { | |
6221 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6222 | "3020 Requested number of SR-IOV " | |
6223 | "virtual functions (%d) is not " | |
6224 | "supported\n", | |
6225 | phba->cfg_sriov_nr_virtfn); | |
6226 | phba->cfg_sriov_nr_virtfn = 0; | |
6227 | } | |
6228 | } | |
6229 | ||
5248a749 | 6230 | return 0; |
da0436e9 | 6231 | |
895427bd JS |
6232 | out_free_hba_eq_hdl: |
6233 | kfree(phba->sli4_hba.hba_eq_hdl); | |
0c9ab6f5 JS |
6234 | out_free_fcf_rr_bmask: |
6235 | kfree(phba->fcf.fcf_rr_bmask); | |
da0436e9 JS |
6236 | out_remove_rpi_hdrs: |
6237 | lpfc_sli4_remove_rpi_hdrs(phba); | |
6238 | out_free_active_sgl: | |
6239 | lpfc_free_active_sgl(phba); | |
da0436e9 JS |
6240 | out_destroy_cq_event_pool: |
6241 | lpfc_sli4_cq_event_pool_destroy(phba); | |
da0436e9 JS |
6242 | out_free_bsmbx: |
6243 | lpfc_destroy_bootstrap_mbox(phba); | |
6244 | out_free_mem: | |
6245 | lpfc_mem_free(phba); | |
6246 | return rc; | |
6247 | } | |
6248 | ||
6249 | /** | |
6250 | * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev | |
6251 | * @phba: pointer to lpfc hba data structure. | |
6252 | * | |
6253 | * This routine is invoked to unset the driver internal resources set up | |
6254 | * specific for supporting the SLI-4 HBA device it attached to. | |
6255 | **/ | |
6256 | static void | |
6257 | lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba) | |
6258 | { | |
6259 | struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry; | |
6260 | ||
7bb03bbf JS |
6261 | /* Free memory allocated for msi-x interrupt vector to CPU mapping */ |
6262 | kfree(phba->sli4_hba.cpu_map); | |
6263 | phba->sli4_hba.num_present_cpu = 0; | |
6264 | phba->sli4_hba.num_online_cpu = 0; | |
76fd07a6 | 6265 | phba->sli4_hba.curr_disp_cpu = 0; |
7bb03bbf | 6266 | |
da0436e9 | 6267 | /* Free memory allocated for fast-path work queue handles */ |
895427bd | 6268 | kfree(phba->sli4_hba.hba_eq_hdl); |
da0436e9 JS |
6269 | |
6270 | /* Free the allocated rpi headers. */ | |
6271 | lpfc_sli4_remove_rpi_hdrs(phba); | |
d11e31dd | 6272 | lpfc_sli4_remove_rpis(phba); |
da0436e9 | 6273 | |
0c9ab6f5 JS |
6274 | /* Free eligible FCF index bmask */ |
6275 | kfree(phba->fcf.fcf_rr_bmask); | |
6276 | ||
da0436e9 JS |
6277 | /* Free the ELS sgl list */ |
6278 | lpfc_free_active_sgl(phba); | |
8a9d2e80 | 6279 | lpfc_free_els_sgl_list(phba); |
f358dd0c | 6280 | lpfc_free_nvmet_sgl_list(phba); |
da0436e9 | 6281 | |
da0436e9 JS |
6282 | /* Free the completion queue EQ event pool */ |
6283 | lpfc_sli4_cq_event_release_all(phba); | |
6284 | lpfc_sli4_cq_event_pool_destroy(phba); | |
6285 | ||
6d368e53 JS |
6286 | /* Release resource identifiers. */ |
6287 | lpfc_sli4_dealloc_resource_identifiers(phba); | |
6288 | ||
da0436e9 JS |
6289 | /* Free the bsmbx region. */ |
6290 | lpfc_destroy_bootstrap_mbox(phba); | |
6291 | ||
6292 | /* Free the SLI Layer memory with SLI4 HBAs */ | |
6293 | lpfc_mem_free_all(phba); | |
6294 | ||
6295 | /* Free the current connect table */ | |
6296 | list_for_each_entry_safe(conn_entry, next_conn_entry, | |
4d9ab994 JS |
6297 | &phba->fcf_conn_rec_list, list) { |
6298 | list_del_init(&conn_entry->list); | |
da0436e9 | 6299 | kfree(conn_entry); |
4d9ab994 | 6300 | } |
da0436e9 JS |
6301 | |
6302 | return; | |
6303 | } | |
6304 | ||
6305 | /** | |
25985edc | 6306 | * lpfc_init_api_table_setup - Set up init api function jump table |
da0436e9 JS |
6307 | * @phba: The hba struct for which this call is being executed. |
6308 | * @dev_grp: The HBA PCI-Device group number. | |
6309 | * | |
6310 | * This routine sets up the device INIT interface API function jump table | |
6311 | * in @phba struct. | |
6312 | * | |
6313 | * Returns: 0 - success, -ENODEV - failure. | |
6314 | **/ | |
6315 | int | |
6316 | lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
6317 | { | |
84d1b006 JS |
6318 | phba->lpfc_hba_init_link = lpfc_hba_init_link; |
6319 | phba->lpfc_hba_down_link = lpfc_hba_down_link; | |
7f86059a | 6320 | phba->lpfc_selective_reset = lpfc_selective_reset; |
da0436e9 JS |
6321 | switch (dev_grp) { |
6322 | case LPFC_PCI_DEV_LP: | |
6323 | phba->lpfc_hba_down_post = lpfc_hba_down_post_s3; | |
6324 | phba->lpfc_handle_eratt = lpfc_handle_eratt_s3; | |
6325 | phba->lpfc_stop_port = lpfc_stop_port_s3; | |
6326 | break; | |
6327 | case LPFC_PCI_DEV_OC: | |
6328 | phba->lpfc_hba_down_post = lpfc_hba_down_post_s4; | |
6329 | phba->lpfc_handle_eratt = lpfc_handle_eratt_s4; | |
6330 | phba->lpfc_stop_port = lpfc_stop_port_s4; | |
6331 | break; | |
6332 | default: | |
6333 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6334 | "1431 Invalid HBA PCI-device group: 0x%x\n", | |
6335 | dev_grp); | |
6336 | return -ENODEV; | |
6337 | break; | |
6338 | } | |
6339 | return 0; | |
6340 | } | |
6341 | ||
da0436e9 JS |
6342 | /** |
6343 | * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources. | |
6344 | * @phba: pointer to lpfc hba data structure. | |
6345 | * | |
6346 | * This routine is invoked to set up the driver internal resources after the | |
6347 | * device specific resource setup to support the HBA device it attached to. | |
6348 | * | |
6349 | * Return codes | |
af901ca1 | 6350 | * 0 - successful |
da0436e9 JS |
6351 | * other values - error |
6352 | **/ | |
6353 | static int | |
6354 | lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba) | |
6355 | { | |
6356 | int error; | |
6357 | ||
6358 | /* Startup the kernel thread for this host adapter. */ | |
6359 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
6360 | "lpfc_worker_%d", phba->brd_no); | |
6361 | if (IS_ERR(phba->worker_thread)) { | |
6362 | error = PTR_ERR(phba->worker_thread); | |
6363 | return error; | |
3772a991 JS |
6364 | } |
6365 | ||
6366 | return 0; | |
6367 | } | |
6368 | ||
6369 | /** | |
6370 | * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources. | |
6371 | * @phba: pointer to lpfc hba data structure. | |
6372 | * | |
6373 | * This routine is invoked to unset the driver internal resources set up after | |
6374 | * the device specific resource setup for supporting the HBA device it | |
6375 | * attached to. | |
6376 | **/ | |
6377 | static void | |
6378 | lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba) | |
6379 | { | |
6380 | /* Stop kernel worker thread */ | |
6381 | kthread_stop(phba->worker_thread); | |
6382 | } | |
6383 | ||
6384 | /** | |
6385 | * lpfc_free_iocb_list - Free iocb list. | |
6386 | * @phba: pointer to lpfc hba data structure. | |
6387 | * | |
6388 | * This routine is invoked to free the driver's IOCB list and memory. | |
6389 | **/ | |
6c621a22 | 6390 | void |
3772a991 JS |
6391 | lpfc_free_iocb_list(struct lpfc_hba *phba) |
6392 | { | |
6393 | struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; | |
6394 | ||
6395 | spin_lock_irq(&phba->hbalock); | |
6396 | list_for_each_entry_safe(iocbq_entry, iocbq_next, | |
6397 | &phba->lpfc_iocb_list, list) { | |
6398 | list_del(&iocbq_entry->list); | |
6399 | kfree(iocbq_entry); | |
6400 | phba->total_iocbq_bufs--; | |
98c9ea5c | 6401 | } |
3772a991 JS |
6402 | spin_unlock_irq(&phba->hbalock); |
6403 | ||
6404 | return; | |
6405 | } | |
6406 | ||
6407 | /** | |
6408 | * lpfc_init_iocb_list - Allocate and initialize iocb list. | |
6409 | * @phba: pointer to lpfc hba data structure. | |
6410 | * | |
6411 | * This routine is invoked to allocate and initizlize the driver's IOCB | |
6412 | * list and set up the IOCB tag array accordingly. | |
6413 | * | |
6414 | * Return codes | |
af901ca1 | 6415 | * 0 - successful |
3772a991 JS |
6416 | * other values - error |
6417 | **/ | |
6c621a22 | 6418 | int |
3772a991 JS |
6419 | lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count) |
6420 | { | |
6421 | struct lpfc_iocbq *iocbq_entry = NULL; | |
6422 | uint16_t iotag; | |
6423 | int i; | |
dea3101e JB |
6424 | |
6425 | /* Initialize and populate the iocb list per host. */ | |
6426 | INIT_LIST_HEAD(&phba->lpfc_iocb_list); | |
3772a991 | 6427 | for (i = 0; i < iocb_count; i++) { |
dd00cc48 | 6428 | iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); |
dea3101e JB |
6429 | if (iocbq_entry == NULL) { |
6430 | printk(KERN_ERR "%s: only allocated %d iocbs of " | |
6431 | "expected %d count. Unloading driver.\n", | |
cadbd4a5 | 6432 | __func__, i, LPFC_IOCB_LIST_CNT); |
dea3101e JB |
6433 | goto out_free_iocbq; |
6434 | } | |
6435 | ||
604a3e30 JB |
6436 | iotag = lpfc_sli_next_iotag(phba, iocbq_entry); |
6437 | if (iotag == 0) { | |
3772a991 | 6438 | kfree(iocbq_entry); |
604a3e30 | 6439 | printk(KERN_ERR "%s: failed to allocate IOTAG. " |
3772a991 | 6440 | "Unloading driver.\n", __func__); |
604a3e30 JB |
6441 | goto out_free_iocbq; |
6442 | } | |
6d368e53 | 6443 | iocbq_entry->sli4_lxritag = NO_XRI; |
3772a991 | 6444 | iocbq_entry->sli4_xritag = NO_XRI; |
2e0fef85 JS |
6445 | |
6446 | spin_lock_irq(&phba->hbalock); | |
dea3101e JB |
6447 | list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); |
6448 | phba->total_iocbq_bufs++; | |
2e0fef85 | 6449 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
6450 | } |
6451 | ||
3772a991 | 6452 | return 0; |
dea3101e | 6453 | |
3772a991 JS |
6454 | out_free_iocbq: |
6455 | lpfc_free_iocb_list(phba); | |
dea3101e | 6456 | |
3772a991 JS |
6457 | return -ENOMEM; |
6458 | } | |
5e9d9b82 | 6459 | |
3772a991 | 6460 | /** |
8a9d2e80 | 6461 | * lpfc_free_sgl_list - Free a given sgl list. |
da0436e9 | 6462 | * @phba: pointer to lpfc hba data structure. |
8a9d2e80 | 6463 | * @sglq_list: pointer to the head of sgl list. |
3772a991 | 6464 | * |
8a9d2e80 | 6465 | * This routine is invoked to free a give sgl list and memory. |
3772a991 | 6466 | **/ |
8a9d2e80 JS |
6467 | void |
6468 | lpfc_free_sgl_list(struct lpfc_hba *phba, struct list_head *sglq_list) | |
3772a991 | 6469 | { |
da0436e9 | 6470 | struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; |
8a9d2e80 JS |
6471 | |
6472 | list_for_each_entry_safe(sglq_entry, sglq_next, sglq_list, list) { | |
6473 | list_del(&sglq_entry->list); | |
6474 | lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys); | |
6475 | kfree(sglq_entry); | |
6476 | } | |
6477 | } | |
6478 | ||
6479 | /** | |
6480 | * lpfc_free_els_sgl_list - Free els sgl list. | |
6481 | * @phba: pointer to lpfc hba data structure. | |
6482 | * | |
6483 | * This routine is invoked to free the driver's els sgl list and memory. | |
6484 | **/ | |
6485 | static void | |
6486 | lpfc_free_els_sgl_list(struct lpfc_hba *phba) | |
6487 | { | |
da0436e9 | 6488 | LIST_HEAD(sglq_list); |
dea3101e | 6489 | |
8a9d2e80 | 6490 | /* Retrieve all els sgls from driver list */ |
da0436e9 | 6491 | spin_lock_irq(&phba->hbalock); |
895427bd JS |
6492 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
6493 | list_splice_init(&phba->sli4_hba.lpfc_els_sgl_list, &sglq_list); | |
6494 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
da0436e9 | 6495 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 6496 | |
8a9d2e80 JS |
6497 | /* Now free the sgl list */ |
6498 | lpfc_free_sgl_list(phba, &sglq_list); | |
da0436e9 | 6499 | } |
92d7f7b0 | 6500 | |
f358dd0c JS |
6501 | /** |
6502 | * lpfc_free_nvmet_sgl_list - Free nvmet sgl list. | |
6503 | * @phba: pointer to lpfc hba data structure. | |
6504 | * | |
6505 | * This routine is invoked to free the driver's nvmet sgl list and memory. | |
6506 | **/ | |
6507 | static void | |
6508 | lpfc_free_nvmet_sgl_list(struct lpfc_hba *phba) | |
6509 | { | |
6510 | struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; | |
6511 | LIST_HEAD(sglq_list); | |
6512 | ||
6513 | /* Retrieve all nvmet sgls from driver list */ | |
6514 | spin_lock_irq(&phba->hbalock); | |
6515 | spin_lock(&phba->sli4_hba.sgl_list_lock); | |
6516 | list_splice_init(&phba->sli4_hba.lpfc_nvmet_sgl_list, &sglq_list); | |
6517 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
6518 | spin_unlock_irq(&phba->hbalock); | |
6519 | ||
6520 | /* Now free the sgl list */ | |
6521 | list_for_each_entry_safe(sglq_entry, sglq_next, &sglq_list, list) { | |
6522 | list_del(&sglq_entry->list); | |
6523 | lpfc_nvmet_buf_free(phba, sglq_entry->virt, sglq_entry->phys); | |
6524 | kfree(sglq_entry); | |
6525 | } | |
4b40d02b DK |
6526 | |
6527 | /* Update the nvmet_xri_cnt to reflect no current sgls. | |
6528 | * The next initialization cycle sets the count and allocates | |
6529 | * the sgls over again. | |
6530 | */ | |
6531 | phba->sli4_hba.nvmet_xri_cnt = 0; | |
f358dd0c JS |
6532 | } |
6533 | ||
da0436e9 JS |
6534 | /** |
6535 | * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs. | |
6536 | * @phba: pointer to lpfc hba data structure. | |
6537 | * | |
6538 | * This routine is invoked to allocate the driver's active sgl memory. | |
6539 | * This array will hold the sglq_entry's for active IOs. | |
6540 | **/ | |
6541 | static int | |
6542 | lpfc_init_active_sgl_array(struct lpfc_hba *phba) | |
6543 | { | |
6544 | int size; | |
6545 | size = sizeof(struct lpfc_sglq *); | |
6546 | size *= phba->sli4_hba.max_cfg_param.max_xri; | |
6547 | ||
6548 | phba->sli4_hba.lpfc_sglq_active_list = | |
6549 | kzalloc(size, GFP_KERNEL); | |
6550 | if (!phba->sli4_hba.lpfc_sglq_active_list) | |
6551 | return -ENOMEM; | |
6552 | return 0; | |
3772a991 JS |
6553 | } |
6554 | ||
6555 | /** | |
da0436e9 | 6556 | * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs. |
3772a991 JS |
6557 | * @phba: pointer to lpfc hba data structure. |
6558 | * | |
da0436e9 JS |
6559 | * This routine is invoked to walk through the array of active sglq entries |
6560 | * and free all of the resources. | |
6561 | * This is just a place holder for now. | |
3772a991 JS |
6562 | **/ |
6563 | static void | |
da0436e9 | 6564 | lpfc_free_active_sgl(struct lpfc_hba *phba) |
3772a991 | 6565 | { |
da0436e9 | 6566 | kfree(phba->sli4_hba.lpfc_sglq_active_list); |
3772a991 JS |
6567 | } |
6568 | ||
6569 | /** | |
da0436e9 | 6570 | * lpfc_init_sgl_list - Allocate and initialize sgl list. |
3772a991 JS |
6571 | * @phba: pointer to lpfc hba data structure. |
6572 | * | |
da0436e9 JS |
6573 | * This routine is invoked to allocate and initizlize the driver's sgl |
6574 | * list and set up the sgl xritag tag array accordingly. | |
3772a991 | 6575 | * |
3772a991 | 6576 | **/ |
8a9d2e80 | 6577 | static void |
da0436e9 | 6578 | lpfc_init_sgl_list(struct lpfc_hba *phba) |
3772a991 | 6579 | { |
da0436e9 | 6580 | /* Initialize and populate the sglq list per host/VF. */ |
895427bd | 6581 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_els_sgl_list); |
da0436e9 | 6582 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list); |
f358dd0c | 6583 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_sgl_list); |
86c67379 | 6584 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list); |
da0436e9 | 6585 | |
8a9d2e80 JS |
6586 | /* els xri-sgl book keeping */ |
6587 | phba->sli4_hba.els_xri_cnt = 0; | |
0ff10d46 | 6588 | |
8a9d2e80 | 6589 | /* scsi xri-buffer book keeping */ |
da0436e9 | 6590 | phba->sli4_hba.scsi_xri_cnt = 0; |
895427bd JS |
6591 | |
6592 | /* nvme xri-buffer book keeping */ | |
6593 | phba->sli4_hba.nvme_xri_cnt = 0; | |
da0436e9 JS |
6594 | } |
6595 | ||
6596 | /** | |
6597 | * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port | |
6598 | * @phba: pointer to lpfc hba data structure. | |
6599 | * | |
6600 | * This routine is invoked to post rpi header templates to the | |
88a2cfbb | 6601 | * port for those SLI4 ports that do not support extents. This routine |
da0436e9 | 6602 | * posts a PAGE_SIZE memory region to the port to hold up to |
88a2cfbb JS |
6603 | * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine |
6604 | * and should be called only when interrupts are disabled. | |
da0436e9 JS |
6605 | * |
6606 | * Return codes | |
af901ca1 | 6607 | * 0 - successful |
88a2cfbb | 6608 | * -ERROR - otherwise. |
da0436e9 JS |
6609 | **/ |
6610 | int | |
6611 | lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba) | |
6612 | { | |
6613 | int rc = 0; | |
da0436e9 JS |
6614 | struct lpfc_rpi_hdr *rpi_hdr; |
6615 | ||
6616 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list); | |
ff78d8f9 | 6617 | if (!phba->sli4_hba.rpi_hdrs_in_use) |
6d368e53 | 6618 | return rc; |
6d368e53 JS |
6619 | if (phba->sli4_hba.extents_in_use) |
6620 | return -EIO; | |
da0436e9 JS |
6621 | |
6622 | rpi_hdr = lpfc_sli4_create_rpi_hdr(phba); | |
6623 | if (!rpi_hdr) { | |
6624 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6625 | "0391 Error during rpi post operation\n"); | |
6626 | lpfc_sli4_remove_rpis(phba); | |
6627 | rc = -ENODEV; | |
6628 | } | |
6629 | ||
6630 | return rc; | |
6631 | } | |
6632 | ||
6633 | /** | |
6634 | * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region | |
6635 | * @phba: pointer to lpfc hba data structure. | |
6636 | * | |
6637 | * This routine is invoked to allocate a single 4KB memory region to | |
6638 | * support rpis and stores them in the phba. This single region | |
6639 | * provides support for up to 64 rpis. The region is used globally | |
6640 | * by the device. | |
6641 | * | |
6642 | * Returns: | |
6643 | * A valid rpi hdr on success. | |
6644 | * A NULL pointer on any failure. | |
6645 | **/ | |
6646 | struct lpfc_rpi_hdr * | |
6647 | lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba) | |
6648 | { | |
6649 | uint16_t rpi_limit, curr_rpi_range; | |
6650 | struct lpfc_dmabuf *dmabuf; | |
6651 | struct lpfc_rpi_hdr *rpi_hdr; | |
6652 | ||
6d368e53 JS |
6653 | /* |
6654 | * If the SLI4 port supports extents, posting the rpi header isn't | |
6655 | * required. Set the expected maximum count and let the actual value | |
6656 | * get set when extents are fully allocated. | |
6657 | */ | |
6658 | if (!phba->sli4_hba.rpi_hdrs_in_use) | |
6659 | return NULL; | |
6660 | if (phba->sli4_hba.extents_in_use) | |
6661 | return NULL; | |
6662 | ||
6663 | /* The limit on the logical index is just the max_rpi count. */ | |
845d9e8d | 6664 | rpi_limit = phba->sli4_hba.max_cfg_param.max_rpi; |
da0436e9 JS |
6665 | |
6666 | spin_lock_irq(&phba->hbalock); | |
6d368e53 JS |
6667 | /* |
6668 | * Establish the starting RPI in this header block. The starting | |
6669 | * rpi is normalized to a zero base because the physical rpi is | |
6670 | * port based. | |
6671 | */ | |
97f2ecf1 | 6672 | curr_rpi_range = phba->sli4_hba.next_rpi; |
da0436e9 JS |
6673 | spin_unlock_irq(&phba->hbalock); |
6674 | ||
845d9e8d JS |
6675 | /* Reached full RPI range */ |
6676 | if (curr_rpi_range == rpi_limit) | |
6d368e53 | 6677 | return NULL; |
845d9e8d | 6678 | |
da0436e9 JS |
6679 | /* |
6680 | * First allocate the protocol header region for the port. The | |
6681 | * port expects a 4KB DMA-mapped memory region that is 4K aligned. | |
6682 | */ | |
6683 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
6684 | if (!dmabuf) | |
6685 | return NULL; | |
6686 | ||
1aee383d JP |
6687 | dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev, |
6688 | LPFC_HDR_TEMPLATE_SIZE, | |
6689 | &dmabuf->phys, GFP_KERNEL); | |
da0436e9 JS |
6690 | if (!dmabuf->virt) { |
6691 | rpi_hdr = NULL; | |
6692 | goto err_free_dmabuf; | |
6693 | } | |
6694 | ||
da0436e9 JS |
6695 | if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) { |
6696 | rpi_hdr = NULL; | |
6697 | goto err_free_coherent; | |
6698 | } | |
6699 | ||
6700 | /* Save the rpi header data for cleanup later. */ | |
6701 | rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL); | |
6702 | if (!rpi_hdr) | |
6703 | goto err_free_coherent; | |
6704 | ||
6705 | rpi_hdr->dmabuf = dmabuf; | |
6706 | rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE; | |
6707 | rpi_hdr->page_count = 1; | |
6708 | spin_lock_irq(&phba->hbalock); | |
6d368e53 JS |
6709 | |
6710 | /* The rpi_hdr stores the logical index only. */ | |
6711 | rpi_hdr->start_rpi = curr_rpi_range; | |
845d9e8d | 6712 | rpi_hdr->next_rpi = phba->sli4_hba.next_rpi + LPFC_RPI_HDR_COUNT; |
da0436e9 JS |
6713 | list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list); |
6714 | ||
da0436e9 JS |
6715 | spin_unlock_irq(&phba->hbalock); |
6716 | return rpi_hdr; | |
6717 | ||
6718 | err_free_coherent: | |
6719 | dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE, | |
6720 | dmabuf->virt, dmabuf->phys); | |
6721 | err_free_dmabuf: | |
6722 | kfree(dmabuf); | |
6723 | return NULL; | |
6724 | } | |
6725 | ||
6726 | /** | |
6727 | * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions | |
6728 | * @phba: pointer to lpfc hba data structure. | |
6729 | * | |
6730 | * This routine is invoked to remove all memory resources allocated | |
6d368e53 JS |
6731 | * to support rpis for SLI4 ports not supporting extents. This routine |
6732 | * presumes the caller has released all rpis consumed by fabric or port | |
6733 | * logins and is prepared to have the header pages removed. | |
da0436e9 JS |
6734 | **/ |
6735 | void | |
6736 | lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba) | |
6737 | { | |
6738 | struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr; | |
6739 | ||
6d368e53 JS |
6740 | if (!phba->sli4_hba.rpi_hdrs_in_use) |
6741 | goto exit; | |
6742 | ||
da0436e9 JS |
6743 | list_for_each_entry_safe(rpi_hdr, next_rpi_hdr, |
6744 | &phba->sli4_hba.lpfc_rpi_hdr_list, list) { | |
6745 | list_del(&rpi_hdr->list); | |
6746 | dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len, | |
6747 | rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys); | |
6748 | kfree(rpi_hdr->dmabuf); | |
6749 | kfree(rpi_hdr); | |
6750 | } | |
6d368e53 JS |
6751 | exit: |
6752 | /* There are no rpis available to the port now. */ | |
6753 | phba->sli4_hba.next_rpi = 0; | |
da0436e9 JS |
6754 | } |
6755 | ||
6756 | /** | |
6757 | * lpfc_hba_alloc - Allocate driver hba data structure for a device. | |
6758 | * @pdev: pointer to pci device data structure. | |
6759 | * | |
6760 | * This routine is invoked to allocate the driver hba data structure for an | |
6761 | * HBA device. If the allocation is successful, the phba reference to the | |
6762 | * PCI device data structure is set. | |
6763 | * | |
6764 | * Return codes | |
af901ca1 | 6765 | * pointer to @phba - successful |
da0436e9 JS |
6766 | * NULL - error |
6767 | **/ | |
6768 | static struct lpfc_hba * | |
6769 | lpfc_hba_alloc(struct pci_dev *pdev) | |
6770 | { | |
6771 | struct lpfc_hba *phba; | |
6772 | ||
6773 | /* Allocate memory for HBA structure */ | |
6774 | phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL); | |
6775 | if (!phba) { | |
e34ccdfe | 6776 | dev_err(&pdev->dev, "failed to allocate hba struct\n"); |
da0436e9 JS |
6777 | return NULL; |
6778 | } | |
6779 | ||
6780 | /* Set reference to PCI device in HBA structure */ | |
6781 | phba->pcidev = pdev; | |
6782 | ||
6783 | /* Assign an unused board number */ | |
6784 | phba->brd_no = lpfc_get_instance(); | |
6785 | if (phba->brd_no < 0) { | |
6786 | kfree(phba); | |
6787 | return NULL; | |
6788 | } | |
65791f1f | 6789 | phba->eratt_poll_interval = LPFC_ERATT_POLL_INTERVAL; |
da0436e9 | 6790 | |
4fede78f | 6791 | spin_lock_init(&phba->ct_ev_lock); |
f1c3b0fc JS |
6792 | INIT_LIST_HEAD(&phba->ct_ev_waiters); |
6793 | ||
da0436e9 JS |
6794 | return phba; |
6795 | } | |
6796 | ||
6797 | /** | |
6798 | * lpfc_hba_free - Free driver hba data structure with a device. | |
6799 | * @phba: pointer to lpfc hba data structure. | |
6800 | * | |
6801 | * This routine is invoked to free the driver hba data structure with an | |
6802 | * HBA device. | |
6803 | **/ | |
6804 | static void | |
6805 | lpfc_hba_free(struct lpfc_hba *phba) | |
6806 | { | |
6807 | /* Release the driver assigned board number */ | |
6808 | idr_remove(&lpfc_hba_index, phba->brd_no); | |
6809 | ||
895427bd JS |
6810 | /* Free memory allocated with sli3 rings */ |
6811 | kfree(phba->sli.sli3_ring); | |
6812 | phba->sli.sli3_ring = NULL; | |
2a76a283 | 6813 | |
da0436e9 JS |
6814 | kfree(phba); |
6815 | return; | |
6816 | } | |
6817 | ||
6818 | /** | |
6819 | * lpfc_create_shost - Create hba physical port with associated scsi host. | |
6820 | * @phba: pointer to lpfc hba data structure. | |
6821 | * | |
6822 | * This routine is invoked to create HBA physical port and associate a SCSI | |
6823 | * host with it. | |
6824 | * | |
6825 | * Return codes | |
af901ca1 | 6826 | * 0 - successful |
da0436e9 JS |
6827 | * other values - error |
6828 | **/ | |
6829 | static int | |
6830 | lpfc_create_shost(struct lpfc_hba *phba) | |
6831 | { | |
6832 | struct lpfc_vport *vport; | |
6833 | struct Scsi_Host *shost; | |
6834 | ||
6835 | /* Initialize HBA FC structure */ | |
6836 | phba->fc_edtov = FF_DEF_EDTOV; | |
6837 | phba->fc_ratov = FF_DEF_RATOV; | |
6838 | phba->fc_altov = FF_DEF_ALTOV; | |
6839 | phba->fc_arbtov = FF_DEF_ARBTOV; | |
6840 | ||
d7c47992 | 6841 | atomic_set(&phba->sdev_cnt, 0); |
2cee7808 JS |
6842 | atomic_set(&phba->fc4ScsiInputRequests, 0); |
6843 | atomic_set(&phba->fc4ScsiOutputRequests, 0); | |
6844 | atomic_set(&phba->fc4ScsiControlRequests, 0); | |
6845 | atomic_set(&phba->fc4ScsiIoCmpls, 0); | |
6846 | atomic_set(&phba->fc4NvmeInputRequests, 0); | |
6847 | atomic_set(&phba->fc4NvmeOutputRequests, 0); | |
6848 | atomic_set(&phba->fc4NvmeControlRequests, 0); | |
6849 | atomic_set(&phba->fc4NvmeIoCmpls, 0); | |
6850 | atomic_set(&phba->fc4NvmeLsRequests, 0); | |
6851 | atomic_set(&phba->fc4NvmeLsCmpls, 0); | |
da0436e9 JS |
6852 | vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); |
6853 | if (!vport) | |
6854 | return -ENODEV; | |
6855 | ||
6856 | shost = lpfc_shost_from_vport(vport); | |
6857 | phba->pport = vport; | |
2ea259ee | 6858 | |
f358dd0c JS |
6859 | if (phba->nvmet_support) { |
6860 | /* Only 1 vport (pport) will support NVME target */ | |
6861 | if (phba->txrdy_payload_pool == NULL) { | |
771db5c0 RP |
6862 | phba->txrdy_payload_pool = dma_pool_create( |
6863 | "txrdy_pool", &phba->pcidev->dev, | |
f358dd0c JS |
6864 | TXRDY_PAYLOAD_LEN, 16, 0); |
6865 | if (phba->txrdy_payload_pool) { | |
6866 | phba->targetport = NULL; | |
6867 | phba->cfg_enable_fc4_type = LPFC_ENABLE_NVME; | |
6868 | lpfc_printf_log(phba, KERN_INFO, | |
6869 | LOG_INIT | LOG_NVME_DISC, | |
6870 | "6076 NVME Target Found\n"); | |
6871 | } | |
6872 | } | |
6873 | } | |
6874 | ||
da0436e9 JS |
6875 | lpfc_debugfs_initialize(vport); |
6876 | /* Put reference to SCSI host to driver's device private data */ | |
6877 | pci_set_drvdata(phba->pcidev, shost); | |
2e0fef85 | 6878 | |
4258e98e JS |
6879 | /* |
6880 | * At this point we are fully registered with PSA. In addition, | |
6881 | * any initial discovery should be completed. | |
6882 | */ | |
6883 | vport->load_flag |= FC_ALLOW_FDMI; | |
8663cbbe JS |
6884 | if (phba->cfg_enable_SmartSAN || |
6885 | (phba->cfg_fdmi_on == LPFC_FDMI_SUPPORT)) { | |
4258e98e JS |
6886 | |
6887 | /* Setup appropriate attribute masks */ | |
6888 | vport->fdmi_hba_mask = LPFC_FDMI2_HBA_ATTR; | |
8663cbbe | 6889 | if (phba->cfg_enable_SmartSAN) |
4258e98e JS |
6890 | vport->fdmi_port_mask = LPFC_FDMI2_SMART_ATTR; |
6891 | else | |
6892 | vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR; | |
6893 | } | |
3772a991 JS |
6894 | return 0; |
6895 | } | |
db2378e0 | 6896 | |
3772a991 JS |
6897 | /** |
6898 | * lpfc_destroy_shost - Destroy hba physical port with associated scsi host. | |
6899 | * @phba: pointer to lpfc hba data structure. | |
6900 | * | |
6901 | * This routine is invoked to destroy HBA physical port and the associated | |
6902 | * SCSI host. | |
6903 | **/ | |
6904 | static void | |
6905 | lpfc_destroy_shost(struct lpfc_hba *phba) | |
6906 | { | |
6907 | struct lpfc_vport *vport = phba->pport; | |
6908 | ||
6909 | /* Destroy physical port that associated with the SCSI host */ | |
6910 | destroy_port(vport); | |
6911 | ||
6912 | return; | |
6913 | } | |
6914 | ||
6915 | /** | |
6916 | * lpfc_setup_bg - Setup Block guard structures and debug areas. | |
6917 | * @phba: pointer to lpfc hba data structure. | |
6918 | * @shost: the shost to be used to detect Block guard settings. | |
6919 | * | |
6920 | * This routine sets up the local Block guard protocol settings for @shost. | |
6921 | * This routine also allocates memory for debugging bg buffers. | |
6922 | **/ | |
6923 | static void | |
6924 | lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost) | |
6925 | { | |
bbeb79b9 JS |
6926 | uint32_t old_mask; |
6927 | uint32_t old_guard; | |
6928 | ||
3772a991 | 6929 | int pagecnt = 10; |
b3b98b74 | 6930 | if (phba->cfg_prot_mask && phba->cfg_prot_guard) { |
3772a991 JS |
6931 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
6932 | "1478 Registering BlockGuard with the " | |
6933 | "SCSI layer\n"); | |
bbeb79b9 | 6934 | |
b3b98b74 JS |
6935 | old_mask = phba->cfg_prot_mask; |
6936 | old_guard = phba->cfg_prot_guard; | |
bbeb79b9 JS |
6937 | |
6938 | /* Only allow supported values */ | |
b3b98b74 | 6939 | phba->cfg_prot_mask &= (SHOST_DIF_TYPE1_PROTECTION | |
bbeb79b9 JS |
6940 | SHOST_DIX_TYPE0_PROTECTION | |
6941 | SHOST_DIX_TYPE1_PROTECTION); | |
b3b98b74 JS |
6942 | phba->cfg_prot_guard &= (SHOST_DIX_GUARD_IP | |
6943 | SHOST_DIX_GUARD_CRC); | |
bbeb79b9 JS |
6944 | |
6945 | /* DIF Type 1 protection for profiles AST1/C1 is end to end */ | |
b3b98b74 JS |
6946 | if (phba->cfg_prot_mask == SHOST_DIX_TYPE1_PROTECTION) |
6947 | phba->cfg_prot_mask |= SHOST_DIF_TYPE1_PROTECTION; | |
bbeb79b9 | 6948 | |
b3b98b74 JS |
6949 | if (phba->cfg_prot_mask && phba->cfg_prot_guard) { |
6950 | if ((old_mask != phba->cfg_prot_mask) || | |
6951 | (old_guard != phba->cfg_prot_guard)) | |
bbeb79b9 JS |
6952 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
6953 | "1475 Registering BlockGuard with the " | |
6954 | "SCSI layer: mask %d guard %d\n", | |
b3b98b74 JS |
6955 | phba->cfg_prot_mask, |
6956 | phba->cfg_prot_guard); | |
bbeb79b9 | 6957 | |
b3b98b74 JS |
6958 | scsi_host_set_prot(shost, phba->cfg_prot_mask); |
6959 | scsi_host_set_guard(shost, phba->cfg_prot_guard); | |
bbeb79b9 JS |
6960 | } else |
6961 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6962 | "1479 Not Registering BlockGuard with the SCSI " | |
6963 | "layer, Bad protection parameters: %d %d\n", | |
6964 | old_mask, old_guard); | |
3772a991 | 6965 | } |
bbeb79b9 | 6966 | |
3772a991 JS |
6967 | if (!_dump_buf_data) { |
6968 | while (pagecnt) { | |
6969 | spin_lock_init(&_dump_buf_lock); | |
6970 | _dump_buf_data = | |
6971 | (char *) __get_free_pages(GFP_KERNEL, pagecnt); | |
6972 | if (_dump_buf_data) { | |
6a9c52cf JS |
6973 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
6974 | "9043 BLKGRD: allocated %d pages for " | |
3772a991 JS |
6975 | "_dump_buf_data at 0x%p\n", |
6976 | (1 << pagecnt), _dump_buf_data); | |
6977 | _dump_buf_data_order = pagecnt; | |
6978 | memset(_dump_buf_data, 0, | |
6979 | ((1 << PAGE_SHIFT) << pagecnt)); | |
6980 | break; | |
6981 | } else | |
6982 | --pagecnt; | |
6983 | } | |
6984 | if (!_dump_buf_data_order) | |
6a9c52cf JS |
6985 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
6986 | "9044 BLKGRD: ERROR unable to allocate " | |
3772a991 JS |
6987 | "memory for hexdump\n"); |
6988 | } else | |
6a9c52cf JS |
6989 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
6990 | "9045 BLKGRD: already allocated _dump_buf_data=0x%p" | |
3772a991 JS |
6991 | "\n", _dump_buf_data); |
6992 | if (!_dump_buf_dif) { | |
6993 | while (pagecnt) { | |
6994 | _dump_buf_dif = | |
6995 | (char *) __get_free_pages(GFP_KERNEL, pagecnt); | |
6996 | if (_dump_buf_dif) { | |
6a9c52cf JS |
6997 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
6998 | "9046 BLKGRD: allocated %d pages for " | |
3772a991 JS |
6999 | "_dump_buf_dif at 0x%p\n", |
7000 | (1 << pagecnt), _dump_buf_dif); | |
7001 | _dump_buf_dif_order = pagecnt; | |
7002 | memset(_dump_buf_dif, 0, | |
7003 | ((1 << PAGE_SHIFT) << pagecnt)); | |
7004 | break; | |
7005 | } else | |
7006 | --pagecnt; | |
7007 | } | |
7008 | if (!_dump_buf_dif_order) | |
6a9c52cf JS |
7009 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
7010 | "9047 BLKGRD: ERROR unable to allocate " | |
3772a991 JS |
7011 | "memory for hexdump\n"); |
7012 | } else | |
6a9c52cf JS |
7013 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
7014 | "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n", | |
3772a991 JS |
7015 | _dump_buf_dif); |
7016 | } | |
7017 | ||
7018 | /** | |
7019 | * lpfc_post_init_setup - Perform necessary device post initialization setup. | |
7020 | * @phba: pointer to lpfc hba data structure. | |
7021 | * | |
7022 | * This routine is invoked to perform all the necessary post initialization | |
7023 | * setup for the device. | |
7024 | **/ | |
7025 | static void | |
7026 | lpfc_post_init_setup(struct lpfc_hba *phba) | |
7027 | { | |
7028 | struct Scsi_Host *shost; | |
7029 | struct lpfc_adapter_event_header adapter_event; | |
7030 | ||
7031 | /* Get the default values for Model Name and Description */ | |
7032 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
7033 | ||
7034 | /* | |
7035 | * hba setup may have changed the hba_queue_depth so we need to | |
7036 | * adjust the value of can_queue. | |
7037 | */ | |
7038 | shost = pci_get_drvdata(phba->pcidev); | |
7039 | shost->can_queue = phba->cfg_hba_queue_depth - 10; | |
7040 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) | |
7041 | lpfc_setup_bg(phba, shost); | |
7042 | ||
7043 | lpfc_host_attrib_init(shost); | |
7044 | ||
7045 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { | |
7046 | spin_lock_irq(shost->host_lock); | |
7047 | lpfc_poll_start_timer(phba); | |
7048 | spin_unlock_irq(shost->host_lock); | |
7049 | } | |
7050 | ||
7051 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7052 | "0428 Perform SCSI scan\n"); | |
7053 | /* Send board arrival event to upper layer */ | |
7054 | adapter_event.event_type = FC_REG_ADAPTER_EVENT; | |
7055 | adapter_event.subcategory = LPFC_EVENT_ARRIVAL; | |
7056 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
7057 | sizeof(adapter_event), | |
7058 | (char *) &adapter_event, | |
7059 | LPFC_NL_VENDOR_ID); | |
7060 | return; | |
7061 | } | |
7062 | ||
7063 | /** | |
7064 | * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space. | |
7065 | * @phba: pointer to lpfc hba data structure. | |
7066 | * | |
7067 | * This routine is invoked to set up the PCI device memory space for device | |
7068 | * with SLI-3 interface spec. | |
7069 | * | |
7070 | * Return codes | |
af901ca1 | 7071 | * 0 - successful |
3772a991 JS |
7072 | * other values - error |
7073 | **/ | |
7074 | static int | |
7075 | lpfc_sli_pci_mem_setup(struct lpfc_hba *phba) | |
7076 | { | |
7077 | struct pci_dev *pdev; | |
7078 | unsigned long bar0map_len, bar2map_len; | |
7079 | int i, hbq_count; | |
7080 | void *ptr; | |
7081 | int error = -ENODEV; | |
7082 | ||
7083 | /* Obtain PCI device reference */ | |
7084 | if (!phba->pcidev) | |
7085 | return error; | |
7086 | else | |
7087 | pdev = phba->pcidev; | |
7088 | ||
7089 | /* Set the device DMA mask size */ | |
8e68597d MR |
7090 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0 |
7091 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) { | |
7092 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0 | |
7093 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) { | |
3772a991 | 7094 | return error; |
8e68597d MR |
7095 | } |
7096 | } | |
3772a991 JS |
7097 | |
7098 | /* Get the bus address of Bar0 and Bar2 and the number of bytes | |
7099 | * required by each mapping. | |
7100 | */ | |
7101 | phba->pci_bar0_map = pci_resource_start(pdev, 0); | |
7102 | bar0map_len = pci_resource_len(pdev, 0); | |
7103 | ||
7104 | phba->pci_bar2_map = pci_resource_start(pdev, 2); | |
7105 | bar2map_len = pci_resource_len(pdev, 2); | |
7106 | ||
7107 | /* Map HBA SLIM to a kernel virtual address. */ | |
7108 | phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); | |
7109 | if (!phba->slim_memmap_p) { | |
7110 | dev_printk(KERN_ERR, &pdev->dev, | |
7111 | "ioremap failed for SLIM memory.\n"); | |
7112 | goto out; | |
7113 | } | |
7114 | ||
7115 | /* Map HBA Control Registers to a kernel virtual address. */ | |
7116 | phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); | |
7117 | if (!phba->ctrl_regs_memmap_p) { | |
7118 | dev_printk(KERN_ERR, &pdev->dev, | |
7119 | "ioremap failed for HBA control registers.\n"); | |
7120 | goto out_iounmap_slim; | |
7121 | } | |
7122 | ||
7123 | /* Allocate memory for SLI-2 structures */ | |
1aee383d JP |
7124 | phba->slim2p.virt = dma_zalloc_coherent(&pdev->dev, SLI2_SLIM_SIZE, |
7125 | &phba->slim2p.phys, GFP_KERNEL); | |
3772a991 JS |
7126 | if (!phba->slim2p.virt) |
7127 | goto out_iounmap; | |
7128 | ||
3772a991 | 7129 | phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx); |
7a470277 JS |
7130 | phba->mbox_ext = (phba->slim2p.virt + |
7131 | offsetof(struct lpfc_sli2_slim, mbx_ext_words)); | |
3772a991 JS |
7132 | phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb)); |
7133 | phba->IOCBs = (phba->slim2p.virt + | |
7134 | offsetof(struct lpfc_sli2_slim, IOCBs)); | |
7135 | ||
7136 | phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev, | |
7137 | lpfc_sli_hbq_size(), | |
7138 | &phba->hbqslimp.phys, | |
7139 | GFP_KERNEL); | |
7140 | if (!phba->hbqslimp.virt) | |
7141 | goto out_free_slim; | |
7142 | ||
7143 | hbq_count = lpfc_sli_hbq_count(); | |
7144 | ptr = phba->hbqslimp.virt; | |
7145 | for (i = 0; i < hbq_count; ++i) { | |
7146 | phba->hbqs[i].hbq_virt = ptr; | |
7147 | INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); | |
7148 | ptr += (lpfc_hbq_defs[i]->entry_count * | |
7149 | sizeof(struct lpfc_hbq_entry)); | |
7150 | } | |
7151 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc; | |
7152 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free; | |
7153 | ||
7154 | memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); | |
7155 | ||
3772a991 JS |
7156 | phba->MBslimaddr = phba->slim_memmap_p; |
7157 | phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; | |
7158 | phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; | |
7159 | phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; | |
7160 | phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; | |
7161 | ||
7162 | return 0; | |
7163 | ||
7164 | out_free_slim: | |
7165 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
7166 | phba->slim2p.virt, phba->slim2p.phys); | |
7167 | out_iounmap: | |
7168 | iounmap(phba->ctrl_regs_memmap_p); | |
7169 | out_iounmap_slim: | |
7170 | iounmap(phba->slim_memmap_p); | |
7171 | out: | |
7172 | return error; | |
7173 | } | |
7174 | ||
7175 | /** | |
7176 | * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space. | |
7177 | * @phba: pointer to lpfc hba data structure. | |
7178 | * | |
7179 | * This routine is invoked to unset the PCI device memory space for device | |
7180 | * with SLI-3 interface spec. | |
7181 | **/ | |
7182 | static void | |
7183 | lpfc_sli_pci_mem_unset(struct lpfc_hba *phba) | |
7184 | { | |
7185 | struct pci_dev *pdev; | |
7186 | ||
7187 | /* Obtain PCI device reference */ | |
7188 | if (!phba->pcidev) | |
7189 | return; | |
7190 | else | |
7191 | pdev = phba->pcidev; | |
7192 | ||
7193 | /* Free coherent DMA memory allocated */ | |
7194 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), | |
7195 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
7196 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
7197 | phba->slim2p.virt, phba->slim2p.phys); | |
7198 | ||
7199 | /* I/O memory unmap */ | |
7200 | iounmap(phba->ctrl_regs_memmap_p); | |
7201 | iounmap(phba->slim_memmap_p); | |
7202 | ||
7203 | return; | |
7204 | } | |
7205 | ||
7206 | /** | |
da0436e9 | 7207 | * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status |
3772a991 JS |
7208 | * @phba: pointer to lpfc hba data structure. |
7209 | * | |
da0436e9 JS |
7210 | * This routine is invoked to wait for SLI4 device Power On Self Test (POST) |
7211 | * done and check status. | |
3772a991 | 7212 | * |
da0436e9 | 7213 | * Return 0 if successful, otherwise -ENODEV. |
3772a991 | 7214 | **/ |
da0436e9 JS |
7215 | int |
7216 | lpfc_sli4_post_status_check(struct lpfc_hba *phba) | |
3772a991 | 7217 | { |
2fcee4bf JS |
7218 | struct lpfc_register portsmphr_reg, uerrlo_reg, uerrhi_reg; |
7219 | struct lpfc_register reg_data; | |
7220 | int i, port_error = 0; | |
7221 | uint32_t if_type; | |
3772a991 | 7222 | |
9940b97b JS |
7223 | memset(&portsmphr_reg, 0, sizeof(portsmphr_reg)); |
7224 | memset(®_data, 0, sizeof(reg_data)); | |
2fcee4bf | 7225 | if (!phba->sli4_hba.PSMPHRregaddr) |
da0436e9 | 7226 | return -ENODEV; |
3772a991 | 7227 | |
da0436e9 JS |
7228 | /* Wait up to 30 seconds for the SLI Port POST done and ready */ |
7229 | for (i = 0; i < 3000; i++) { | |
9940b97b JS |
7230 | if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr, |
7231 | &portsmphr_reg.word0) || | |
7232 | (bf_get(lpfc_port_smphr_perr, &portsmphr_reg))) { | |
2fcee4bf | 7233 | /* Port has a fatal POST error, break out */ |
da0436e9 JS |
7234 | port_error = -ENODEV; |
7235 | break; | |
7236 | } | |
2fcee4bf JS |
7237 | if (LPFC_POST_STAGE_PORT_READY == |
7238 | bf_get(lpfc_port_smphr_port_status, &portsmphr_reg)) | |
da0436e9 | 7239 | break; |
da0436e9 | 7240 | msleep(10); |
3772a991 JS |
7241 | } |
7242 | ||
2fcee4bf JS |
7243 | /* |
7244 | * If there was a port error during POST, then don't proceed with | |
7245 | * other register reads as the data may not be valid. Just exit. | |
7246 | */ | |
7247 | if (port_error) { | |
da0436e9 | 7248 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
2fcee4bf JS |
7249 | "1408 Port Failed POST - portsmphr=0x%x, " |
7250 | "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, " | |
7251 | "scr2=x%x, hscratch=x%x, pstatus=x%x\n", | |
7252 | portsmphr_reg.word0, | |
7253 | bf_get(lpfc_port_smphr_perr, &portsmphr_reg), | |
7254 | bf_get(lpfc_port_smphr_sfi, &portsmphr_reg), | |
7255 | bf_get(lpfc_port_smphr_nip, &portsmphr_reg), | |
7256 | bf_get(lpfc_port_smphr_ipc, &portsmphr_reg), | |
7257 | bf_get(lpfc_port_smphr_scr1, &portsmphr_reg), | |
7258 | bf_get(lpfc_port_smphr_scr2, &portsmphr_reg), | |
7259 | bf_get(lpfc_port_smphr_host_scratch, &portsmphr_reg), | |
7260 | bf_get(lpfc_port_smphr_port_status, &portsmphr_reg)); | |
7261 | } else { | |
28baac74 | 7262 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
2fcee4bf JS |
7263 | "2534 Device Info: SLIFamily=0x%x, " |
7264 | "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, " | |
7265 | "SLIHint_2=0x%x, FT=0x%x\n", | |
28baac74 JS |
7266 | bf_get(lpfc_sli_intf_sli_family, |
7267 | &phba->sli4_hba.sli_intf), | |
7268 | bf_get(lpfc_sli_intf_slirev, | |
7269 | &phba->sli4_hba.sli_intf), | |
085c647c JS |
7270 | bf_get(lpfc_sli_intf_if_type, |
7271 | &phba->sli4_hba.sli_intf), | |
7272 | bf_get(lpfc_sli_intf_sli_hint1, | |
28baac74 | 7273 | &phba->sli4_hba.sli_intf), |
085c647c JS |
7274 | bf_get(lpfc_sli_intf_sli_hint2, |
7275 | &phba->sli4_hba.sli_intf), | |
7276 | bf_get(lpfc_sli_intf_func_type, | |
28baac74 | 7277 | &phba->sli4_hba.sli_intf)); |
2fcee4bf JS |
7278 | /* |
7279 | * Check for other Port errors during the initialization | |
7280 | * process. Fail the load if the port did not come up | |
7281 | * correctly. | |
7282 | */ | |
7283 | if_type = bf_get(lpfc_sli_intf_if_type, | |
7284 | &phba->sli4_hba.sli_intf); | |
7285 | switch (if_type) { | |
7286 | case LPFC_SLI_INTF_IF_TYPE_0: | |
7287 | phba->sli4_hba.ue_mask_lo = | |
7288 | readl(phba->sli4_hba.u.if_type0.UEMASKLOregaddr); | |
7289 | phba->sli4_hba.ue_mask_hi = | |
7290 | readl(phba->sli4_hba.u.if_type0.UEMASKHIregaddr); | |
7291 | uerrlo_reg.word0 = | |
7292 | readl(phba->sli4_hba.u.if_type0.UERRLOregaddr); | |
7293 | uerrhi_reg.word0 = | |
7294 | readl(phba->sli4_hba.u.if_type0.UERRHIregaddr); | |
7295 | if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) || | |
7296 | (~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) { | |
7297 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7298 | "1422 Unrecoverable Error " | |
7299 | "Detected during POST " | |
7300 | "uerr_lo_reg=0x%x, " | |
7301 | "uerr_hi_reg=0x%x, " | |
7302 | "ue_mask_lo_reg=0x%x, " | |
7303 | "ue_mask_hi_reg=0x%x\n", | |
7304 | uerrlo_reg.word0, | |
7305 | uerrhi_reg.word0, | |
7306 | phba->sli4_hba.ue_mask_lo, | |
7307 | phba->sli4_hba.ue_mask_hi); | |
7308 | port_error = -ENODEV; | |
7309 | } | |
7310 | break; | |
7311 | case LPFC_SLI_INTF_IF_TYPE_2: | |
7312 | /* Final checks. The port status should be clean. */ | |
9940b97b JS |
7313 | if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, |
7314 | ®_data.word0) || | |
0558056c JS |
7315 | (bf_get(lpfc_sliport_status_err, ®_data) && |
7316 | !bf_get(lpfc_sliport_status_rn, ®_data))) { | |
2fcee4bf JS |
7317 | phba->work_status[0] = |
7318 | readl(phba->sli4_hba.u.if_type2. | |
7319 | ERR1regaddr); | |
7320 | phba->work_status[1] = | |
7321 | readl(phba->sli4_hba.u.if_type2. | |
7322 | ERR2regaddr); | |
7323 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8fcb8acd JS |
7324 | "2888 Unrecoverable port error " |
7325 | "following POST: port status reg " | |
7326 | "0x%x, port_smphr reg 0x%x, " | |
2fcee4bf JS |
7327 | "error 1=0x%x, error 2=0x%x\n", |
7328 | reg_data.word0, | |
7329 | portsmphr_reg.word0, | |
7330 | phba->work_status[0], | |
7331 | phba->work_status[1]); | |
7332 | port_error = -ENODEV; | |
7333 | } | |
7334 | break; | |
7335 | case LPFC_SLI_INTF_IF_TYPE_1: | |
7336 | default: | |
7337 | break; | |
7338 | } | |
28baac74 | 7339 | } |
da0436e9 JS |
7340 | return port_error; |
7341 | } | |
3772a991 | 7342 | |
da0436e9 JS |
7343 | /** |
7344 | * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map. | |
7345 | * @phba: pointer to lpfc hba data structure. | |
2fcee4bf | 7346 | * @if_type: The SLI4 interface type getting configured. |
da0436e9 JS |
7347 | * |
7348 | * This routine is invoked to set up SLI4 BAR0 PCI config space register | |
7349 | * memory map. | |
7350 | **/ | |
7351 | static void | |
2fcee4bf JS |
7352 | lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type) |
7353 | { | |
7354 | switch (if_type) { | |
7355 | case LPFC_SLI_INTF_IF_TYPE_0: | |
7356 | phba->sli4_hba.u.if_type0.UERRLOregaddr = | |
7357 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_LO; | |
7358 | phba->sli4_hba.u.if_type0.UERRHIregaddr = | |
7359 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_HI; | |
7360 | phba->sli4_hba.u.if_type0.UEMASKLOregaddr = | |
7361 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_LO; | |
7362 | phba->sli4_hba.u.if_type0.UEMASKHIregaddr = | |
7363 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_HI; | |
7364 | phba->sli4_hba.SLIINTFregaddr = | |
7365 | phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF; | |
7366 | break; | |
7367 | case LPFC_SLI_INTF_IF_TYPE_2: | |
0cf07f84 JS |
7368 | phba->sli4_hba.u.if_type2.EQDregaddr = |
7369 | phba->sli4_hba.conf_regs_memmap_p + | |
7370 | LPFC_CTL_PORT_EQ_DELAY_OFFSET; | |
2fcee4bf | 7371 | phba->sli4_hba.u.if_type2.ERR1regaddr = |
88a2cfbb JS |
7372 | phba->sli4_hba.conf_regs_memmap_p + |
7373 | LPFC_CTL_PORT_ER1_OFFSET; | |
2fcee4bf | 7374 | phba->sli4_hba.u.if_type2.ERR2regaddr = |
88a2cfbb JS |
7375 | phba->sli4_hba.conf_regs_memmap_p + |
7376 | LPFC_CTL_PORT_ER2_OFFSET; | |
2fcee4bf | 7377 | phba->sli4_hba.u.if_type2.CTRLregaddr = |
88a2cfbb JS |
7378 | phba->sli4_hba.conf_regs_memmap_p + |
7379 | LPFC_CTL_PORT_CTL_OFFSET; | |
2fcee4bf | 7380 | phba->sli4_hba.u.if_type2.STATUSregaddr = |
88a2cfbb JS |
7381 | phba->sli4_hba.conf_regs_memmap_p + |
7382 | LPFC_CTL_PORT_STA_OFFSET; | |
2fcee4bf JS |
7383 | phba->sli4_hba.SLIINTFregaddr = |
7384 | phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF; | |
7385 | phba->sli4_hba.PSMPHRregaddr = | |
88a2cfbb JS |
7386 | phba->sli4_hba.conf_regs_memmap_p + |
7387 | LPFC_CTL_PORT_SEM_OFFSET; | |
2fcee4bf | 7388 | phba->sli4_hba.RQDBregaddr = |
962bc51b JS |
7389 | phba->sli4_hba.conf_regs_memmap_p + |
7390 | LPFC_ULP0_RQ_DOORBELL; | |
2fcee4bf | 7391 | phba->sli4_hba.WQDBregaddr = |
962bc51b JS |
7392 | phba->sli4_hba.conf_regs_memmap_p + |
7393 | LPFC_ULP0_WQ_DOORBELL; | |
2fcee4bf JS |
7394 | phba->sli4_hba.EQCQDBregaddr = |
7395 | phba->sli4_hba.conf_regs_memmap_p + LPFC_EQCQ_DOORBELL; | |
7396 | phba->sli4_hba.MQDBregaddr = | |
7397 | phba->sli4_hba.conf_regs_memmap_p + LPFC_MQ_DOORBELL; | |
7398 | phba->sli4_hba.BMBXregaddr = | |
7399 | phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX; | |
7400 | break; | |
7401 | case LPFC_SLI_INTF_IF_TYPE_1: | |
7402 | default: | |
7403 | dev_printk(KERN_ERR, &phba->pcidev->dev, | |
7404 | "FATAL - unsupported SLI4 interface type - %d\n", | |
7405 | if_type); | |
7406 | break; | |
7407 | } | |
da0436e9 | 7408 | } |
3772a991 | 7409 | |
da0436e9 JS |
7410 | /** |
7411 | * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map. | |
7412 | * @phba: pointer to lpfc hba data structure. | |
7413 | * | |
7414 | * This routine is invoked to set up SLI4 BAR1 control status register (CSR) | |
7415 | * memory map. | |
7416 | **/ | |
7417 | static void | |
7418 | lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba) | |
7419 | { | |
2fcee4bf JS |
7420 | phba->sli4_hba.PSMPHRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
7421 | LPFC_SLIPORT_IF0_SMPHR; | |
da0436e9 | 7422 | phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
2fcee4bf | 7423 | LPFC_HST_ISR0; |
da0436e9 | 7424 | phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
2fcee4bf | 7425 | LPFC_HST_IMR0; |
da0436e9 | 7426 | phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
2fcee4bf | 7427 | LPFC_HST_ISCR0; |
3772a991 JS |
7428 | } |
7429 | ||
7430 | /** | |
da0436e9 | 7431 | * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map. |
3772a991 | 7432 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 7433 | * @vf: virtual function number |
3772a991 | 7434 | * |
da0436e9 JS |
7435 | * This routine is invoked to set up SLI4 BAR2 doorbell register memory map |
7436 | * based on the given viftual function number, @vf. | |
7437 | * | |
7438 | * Return 0 if successful, otherwise -ENODEV. | |
3772a991 | 7439 | **/ |
da0436e9 JS |
7440 | static int |
7441 | lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf) | |
3772a991 | 7442 | { |
da0436e9 JS |
7443 | if (vf > LPFC_VIR_FUNC_MAX) |
7444 | return -ENODEV; | |
3772a991 | 7445 | |
da0436e9 | 7446 | phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + |
962bc51b JS |
7447 | vf * LPFC_VFR_PAGE_SIZE + |
7448 | LPFC_ULP0_RQ_DOORBELL); | |
da0436e9 | 7449 | phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + |
962bc51b JS |
7450 | vf * LPFC_VFR_PAGE_SIZE + |
7451 | LPFC_ULP0_WQ_DOORBELL); | |
da0436e9 JS |
7452 | phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + |
7453 | vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL); | |
7454 | phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
7455 | vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL); | |
7456 | phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
7457 | vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX); | |
7458 | return 0; | |
3772a991 JS |
7459 | } |
7460 | ||
7461 | /** | |
da0436e9 | 7462 | * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox |
3772a991 JS |
7463 | * @phba: pointer to lpfc hba data structure. |
7464 | * | |
da0436e9 JS |
7465 | * This routine is invoked to create the bootstrap mailbox |
7466 | * region consistent with the SLI-4 interface spec. This | |
7467 | * routine allocates all memory necessary to communicate | |
7468 | * mailbox commands to the port and sets up all alignment | |
7469 | * needs. No locks are expected to be held when calling | |
7470 | * this routine. | |
3772a991 JS |
7471 | * |
7472 | * Return codes | |
af901ca1 | 7473 | * 0 - successful |
d439d286 | 7474 | * -ENOMEM - could not allocated memory. |
da0436e9 | 7475 | **/ |
3772a991 | 7476 | static int |
da0436e9 | 7477 | lpfc_create_bootstrap_mbox(struct lpfc_hba *phba) |
3772a991 | 7478 | { |
da0436e9 JS |
7479 | uint32_t bmbx_size; |
7480 | struct lpfc_dmabuf *dmabuf; | |
7481 | struct dma_address *dma_address; | |
7482 | uint32_t pa_addr; | |
7483 | uint64_t phys_addr; | |
7484 | ||
7485 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
7486 | if (!dmabuf) | |
7487 | return -ENOMEM; | |
3772a991 | 7488 | |
da0436e9 JS |
7489 | /* |
7490 | * The bootstrap mailbox region is comprised of 2 parts | |
7491 | * plus an alignment restriction of 16 bytes. | |
7492 | */ | |
7493 | bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1); | |
1aee383d JP |
7494 | dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev, bmbx_size, |
7495 | &dmabuf->phys, GFP_KERNEL); | |
da0436e9 JS |
7496 | if (!dmabuf->virt) { |
7497 | kfree(dmabuf); | |
7498 | return -ENOMEM; | |
3772a991 JS |
7499 | } |
7500 | ||
da0436e9 JS |
7501 | /* |
7502 | * Initialize the bootstrap mailbox pointers now so that the register | |
7503 | * operations are simple later. The mailbox dma address is required | |
7504 | * to be 16-byte aligned. Also align the virtual memory as each | |
7505 | * maibox is copied into the bmbx mailbox region before issuing the | |
7506 | * command to the port. | |
7507 | */ | |
7508 | phba->sli4_hba.bmbx.dmabuf = dmabuf; | |
7509 | phba->sli4_hba.bmbx.bmbx_size = bmbx_size; | |
7510 | ||
7511 | phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt, | |
7512 | LPFC_ALIGN_16_BYTE); | |
7513 | phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys, | |
7514 | LPFC_ALIGN_16_BYTE); | |
7515 | ||
7516 | /* | |
7517 | * Set the high and low physical addresses now. The SLI4 alignment | |
7518 | * requirement is 16 bytes and the mailbox is posted to the port | |
7519 | * as two 30-bit addresses. The other data is a bit marking whether | |
7520 | * the 30-bit address is the high or low address. | |
7521 | * Upcast bmbx aphys to 64bits so shift instruction compiles | |
7522 | * clean on 32 bit machines. | |
7523 | */ | |
7524 | dma_address = &phba->sli4_hba.bmbx.dma_address; | |
7525 | phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys; | |
7526 | pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff); | |
7527 | dma_address->addr_hi = (uint32_t) ((pa_addr << 2) | | |
7528 | LPFC_BMBX_BIT1_ADDR_HI); | |
7529 | ||
7530 | pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff); | |
7531 | dma_address->addr_lo = (uint32_t) ((pa_addr << 2) | | |
7532 | LPFC_BMBX_BIT1_ADDR_LO); | |
7533 | return 0; | |
3772a991 JS |
7534 | } |
7535 | ||
7536 | /** | |
da0436e9 | 7537 | * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources |
3772a991 JS |
7538 | * @phba: pointer to lpfc hba data structure. |
7539 | * | |
da0436e9 JS |
7540 | * This routine is invoked to teardown the bootstrap mailbox |
7541 | * region and release all host resources. This routine requires | |
7542 | * the caller to ensure all mailbox commands recovered, no | |
7543 | * additional mailbox comands are sent, and interrupts are disabled | |
7544 | * before calling this routine. | |
7545 | * | |
7546 | **/ | |
3772a991 | 7547 | static void |
da0436e9 | 7548 | lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba) |
3772a991 | 7549 | { |
da0436e9 JS |
7550 | dma_free_coherent(&phba->pcidev->dev, |
7551 | phba->sli4_hba.bmbx.bmbx_size, | |
7552 | phba->sli4_hba.bmbx.dmabuf->virt, | |
7553 | phba->sli4_hba.bmbx.dmabuf->phys); | |
7554 | ||
7555 | kfree(phba->sli4_hba.bmbx.dmabuf); | |
7556 | memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx)); | |
3772a991 JS |
7557 | } |
7558 | ||
7559 | /** | |
da0436e9 | 7560 | * lpfc_sli4_read_config - Get the config parameters. |
3772a991 JS |
7561 | * @phba: pointer to lpfc hba data structure. |
7562 | * | |
da0436e9 JS |
7563 | * This routine is invoked to read the configuration parameters from the HBA. |
7564 | * The configuration parameters are used to set the base and maximum values | |
7565 | * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource | |
7566 | * allocation for the port. | |
3772a991 JS |
7567 | * |
7568 | * Return codes | |
af901ca1 | 7569 | * 0 - successful |
25985edc | 7570 | * -ENOMEM - No available memory |
d439d286 | 7571 | * -EIO - The mailbox failed to complete successfully. |
3772a991 | 7572 | **/ |
ff78d8f9 | 7573 | int |
da0436e9 | 7574 | lpfc_sli4_read_config(struct lpfc_hba *phba) |
3772a991 | 7575 | { |
da0436e9 JS |
7576 | LPFC_MBOXQ_t *pmb; |
7577 | struct lpfc_mbx_read_config *rd_config; | |
912e3acd JS |
7578 | union lpfc_sli4_cfg_shdr *shdr; |
7579 | uint32_t shdr_status, shdr_add_status; | |
7580 | struct lpfc_mbx_get_func_cfg *get_func_cfg; | |
7581 | struct lpfc_rsrc_desc_fcfcoe *desc; | |
8aa134a8 | 7582 | char *pdesc_0; |
c691816e JS |
7583 | uint16_t forced_link_speed; |
7584 | uint32_t if_type; | |
8aa134a8 | 7585 | int length, i, rc = 0, rc2; |
3772a991 | 7586 | |
da0436e9 JS |
7587 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
7588 | if (!pmb) { | |
7589 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
7590 | "2011 Unable to allocate memory for issuing " | |
7591 | "SLI_CONFIG_SPECIAL mailbox command\n"); | |
7592 | return -ENOMEM; | |
3772a991 JS |
7593 | } |
7594 | ||
da0436e9 | 7595 | lpfc_read_config(phba, pmb); |
3772a991 | 7596 | |
da0436e9 JS |
7597 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
7598 | if (rc != MBX_SUCCESS) { | |
7599 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
7600 | "2012 Mailbox failed , mbxCmd x%x " | |
7601 | "READ_CONFIG, mbxStatus x%x\n", | |
7602 | bf_get(lpfc_mqe_command, &pmb->u.mqe), | |
7603 | bf_get(lpfc_mqe_status, &pmb->u.mqe)); | |
7604 | rc = -EIO; | |
7605 | } else { | |
7606 | rd_config = &pmb->u.mqe.un.rd_config; | |
ff78d8f9 JS |
7607 | if (bf_get(lpfc_mbx_rd_conf_lnk_ldv, rd_config)) { |
7608 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL; | |
7609 | phba->sli4_hba.lnk_info.lnk_tp = | |
7610 | bf_get(lpfc_mbx_rd_conf_lnk_type, rd_config); | |
7611 | phba->sli4_hba.lnk_info.lnk_no = | |
7612 | bf_get(lpfc_mbx_rd_conf_lnk_numb, rd_config); | |
7613 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
7614 | "3081 lnk_type:%d, lnk_numb:%d\n", | |
7615 | phba->sli4_hba.lnk_info.lnk_tp, | |
7616 | phba->sli4_hba.lnk_info.lnk_no); | |
7617 | } else | |
7618 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
7619 | "3082 Mailbox (x%x) returned ldv:x0\n", | |
7620 | bf_get(lpfc_mqe_command, &pmb->u.mqe)); | |
6d368e53 JS |
7621 | phba->sli4_hba.extents_in_use = |
7622 | bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config); | |
da0436e9 JS |
7623 | phba->sli4_hba.max_cfg_param.max_xri = |
7624 | bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); | |
7625 | phba->sli4_hba.max_cfg_param.xri_base = | |
7626 | bf_get(lpfc_mbx_rd_conf_xri_base, rd_config); | |
7627 | phba->sli4_hba.max_cfg_param.max_vpi = | |
7628 | bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config); | |
7629 | phba->sli4_hba.max_cfg_param.vpi_base = | |
7630 | bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config); | |
7631 | phba->sli4_hba.max_cfg_param.max_rpi = | |
7632 | bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config); | |
7633 | phba->sli4_hba.max_cfg_param.rpi_base = | |
7634 | bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config); | |
7635 | phba->sli4_hba.max_cfg_param.max_vfi = | |
7636 | bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config); | |
7637 | phba->sli4_hba.max_cfg_param.vfi_base = | |
7638 | bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config); | |
7639 | phba->sli4_hba.max_cfg_param.max_fcfi = | |
7640 | bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config); | |
da0436e9 JS |
7641 | phba->sli4_hba.max_cfg_param.max_eq = |
7642 | bf_get(lpfc_mbx_rd_conf_eq_count, rd_config); | |
7643 | phba->sli4_hba.max_cfg_param.max_rq = | |
7644 | bf_get(lpfc_mbx_rd_conf_rq_count, rd_config); | |
7645 | phba->sli4_hba.max_cfg_param.max_wq = | |
7646 | bf_get(lpfc_mbx_rd_conf_wq_count, rd_config); | |
7647 | phba->sli4_hba.max_cfg_param.max_cq = | |
7648 | bf_get(lpfc_mbx_rd_conf_cq_count, rd_config); | |
7649 | phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config); | |
7650 | phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base; | |
7651 | phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base; | |
7652 | phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base; | |
5ffc266e JS |
7653 | phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ? |
7654 | (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0; | |
da0436e9 JS |
7655 | phba->max_vports = phba->max_vpi; |
7656 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
6d368e53 JS |
7657 | "2003 cfg params Extents? %d " |
7658 | "XRI(B:%d M:%d), " | |
da0436e9 JS |
7659 | "VPI(B:%d M:%d) " |
7660 | "VFI(B:%d M:%d) " | |
7661 | "RPI(B:%d M:%d) " | |
2ea259ee | 7662 | "FCFI:%d EQ:%d CQ:%d WQ:%d RQ:%d\n", |
6d368e53 | 7663 | phba->sli4_hba.extents_in_use, |
da0436e9 JS |
7664 | phba->sli4_hba.max_cfg_param.xri_base, |
7665 | phba->sli4_hba.max_cfg_param.max_xri, | |
7666 | phba->sli4_hba.max_cfg_param.vpi_base, | |
7667 | phba->sli4_hba.max_cfg_param.max_vpi, | |
7668 | phba->sli4_hba.max_cfg_param.vfi_base, | |
7669 | phba->sli4_hba.max_cfg_param.max_vfi, | |
7670 | phba->sli4_hba.max_cfg_param.rpi_base, | |
7671 | phba->sli4_hba.max_cfg_param.max_rpi, | |
2ea259ee JS |
7672 | phba->sli4_hba.max_cfg_param.max_fcfi, |
7673 | phba->sli4_hba.max_cfg_param.max_eq, | |
7674 | phba->sli4_hba.max_cfg_param.max_cq, | |
7675 | phba->sli4_hba.max_cfg_param.max_wq, | |
7676 | phba->sli4_hba.max_cfg_param.max_rq); | |
7677 | ||
3772a991 | 7678 | } |
912e3acd JS |
7679 | |
7680 | if (rc) | |
7681 | goto read_cfg_out; | |
da0436e9 | 7682 | |
c691816e JS |
7683 | /* Update link speed if forced link speed is supported */ |
7684 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
7685 | if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { | |
7686 | forced_link_speed = | |
7687 | bf_get(lpfc_mbx_rd_conf_link_speed, rd_config); | |
7688 | if (forced_link_speed) { | |
7689 | phba->hba_flag |= HBA_FORCED_LINK_SPEED; | |
7690 | ||
7691 | switch (forced_link_speed) { | |
7692 | case LINK_SPEED_1G: | |
7693 | phba->cfg_link_speed = | |
7694 | LPFC_USER_LINK_SPEED_1G; | |
7695 | break; | |
7696 | case LINK_SPEED_2G: | |
7697 | phba->cfg_link_speed = | |
7698 | LPFC_USER_LINK_SPEED_2G; | |
7699 | break; | |
7700 | case LINK_SPEED_4G: | |
7701 | phba->cfg_link_speed = | |
7702 | LPFC_USER_LINK_SPEED_4G; | |
7703 | break; | |
7704 | case LINK_SPEED_8G: | |
7705 | phba->cfg_link_speed = | |
7706 | LPFC_USER_LINK_SPEED_8G; | |
7707 | break; | |
7708 | case LINK_SPEED_10G: | |
7709 | phba->cfg_link_speed = | |
7710 | LPFC_USER_LINK_SPEED_10G; | |
7711 | break; | |
7712 | case LINK_SPEED_16G: | |
7713 | phba->cfg_link_speed = | |
7714 | LPFC_USER_LINK_SPEED_16G; | |
7715 | break; | |
7716 | case LINK_SPEED_32G: | |
7717 | phba->cfg_link_speed = | |
7718 | LPFC_USER_LINK_SPEED_32G; | |
7719 | break; | |
7720 | case 0xffff: | |
7721 | phba->cfg_link_speed = | |
7722 | LPFC_USER_LINK_SPEED_AUTO; | |
7723 | break; | |
7724 | default: | |
7725 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
7726 | "0047 Unrecognized link " | |
7727 | "speed : %d\n", | |
7728 | forced_link_speed); | |
7729 | phba->cfg_link_speed = | |
7730 | LPFC_USER_LINK_SPEED_AUTO; | |
7731 | } | |
7732 | } | |
7733 | } | |
7734 | ||
da0436e9 | 7735 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ |
572709e2 JS |
7736 | length = phba->sli4_hba.max_cfg_param.max_xri - |
7737 | lpfc_sli4_get_els_iocb_cnt(phba); | |
7738 | if (phba->cfg_hba_queue_depth > length) { | |
7739 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
7740 | "3361 HBA queue depth changed from %d to %d\n", | |
7741 | phba->cfg_hba_queue_depth, length); | |
7742 | phba->cfg_hba_queue_depth = length; | |
7743 | } | |
912e3acd JS |
7744 | |
7745 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
7746 | LPFC_SLI_INTF_IF_TYPE_2) | |
7747 | goto read_cfg_out; | |
7748 | ||
7749 | /* get the pf# and vf# for SLI4 if_type 2 port */ | |
7750 | length = (sizeof(struct lpfc_mbx_get_func_cfg) - | |
7751 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
7752 | lpfc_sli4_config(phba, pmb, LPFC_MBOX_SUBSYSTEM_COMMON, | |
7753 | LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG, | |
7754 | length, LPFC_SLI4_MBX_EMBED); | |
7755 | ||
8aa134a8 | 7756 | rc2 = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
912e3acd JS |
7757 | shdr = (union lpfc_sli4_cfg_shdr *) |
7758 | &pmb->u.mqe.un.sli4_config.header.cfg_shdr; | |
7759 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
7760 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
8aa134a8 | 7761 | if (rc2 || shdr_status || shdr_add_status) { |
912e3acd JS |
7762 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
7763 | "3026 Mailbox failed , mbxCmd x%x " | |
7764 | "GET_FUNCTION_CONFIG, mbxStatus x%x\n", | |
7765 | bf_get(lpfc_mqe_command, &pmb->u.mqe), | |
7766 | bf_get(lpfc_mqe_status, &pmb->u.mqe)); | |
912e3acd JS |
7767 | goto read_cfg_out; |
7768 | } | |
7769 | ||
7770 | /* search for fc_fcoe resrouce descriptor */ | |
7771 | get_func_cfg = &pmb->u.mqe.un.get_func_cfg; | |
912e3acd | 7772 | |
8aa134a8 JS |
7773 | pdesc_0 = (char *)&get_func_cfg->func_cfg.desc[0]; |
7774 | desc = (struct lpfc_rsrc_desc_fcfcoe *)pdesc_0; | |
7775 | length = bf_get(lpfc_rsrc_desc_fcfcoe_length, desc); | |
7776 | if (length == LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD) | |
7777 | length = LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH; | |
7778 | else if (length != LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH) | |
7779 | goto read_cfg_out; | |
7780 | ||
912e3acd | 7781 | for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) { |
8aa134a8 | 7782 | desc = (struct lpfc_rsrc_desc_fcfcoe *)(pdesc_0 + length * i); |
912e3acd | 7783 | if (LPFC_RSRC_DESC_TYPE_FCFCOE == |
8aa134a8 | 7784 | bf_get(lpfc_rsrc_desc_fcfcoe_type, desc)) { |
912e3acd JS |
7785 | phba->sli4_hba.iov.pf_number = |
7786 | bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc); | |
7787 | phba->sli4_hba.iov.vf_number = | |
7788 | bf_get(lpfc_rsrc_desc_fcfcoe_vfnum, desc); | |
7789 | break; | |
7790 | } | |
7791 | } | |
7792 | ||
7793 | if (i < LPFC_RSRC_DESC_MAX_NUM) | |
7794 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
7795 | "3027 GET_FUNCTION_CONFIG: pf_number:%d, " | |
7796 | "vf_number:%d\n", phba->sli4_hba.iov.pf_number, | |
7797 | phba->sli4_hba.iov.vf_number); | |
8aa134a8 | 7798 | else |
912e3acd JS |
7799 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
7800 | "3028 GET_FUNCTION_CONFIG: failed to find " | |
7801 | "Resrouce Descriptor:x%x\n", | |
7802 | LPFC_RSRC_DESC_TYPE_FCFCOE); | |
912e3acd JS |
7803 | |
7804 | read_cfg_out: | |
7805 | mempool_free(pmb, phba->mbox_mem_pool); | |
da0436e9 | 7806 | return rc; |
3772a991 JS |
7807 | } |
7808 | ||
7809 | /** | |
2fcee4bf | 7810 | * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port. |
3772a991 JS |
7811 | * @phba: pointer to lpfc hba data structure. |
7812 | * | |
2fcee4bf JS |
7813 | * This routine is invoked to setup the port-side endian order when |
7814 | * the port if_type is 0. This routine has no function for other | |
7815 | * if_types. | |
da0436e9 JS |
7816 | * |
7817 | * Return codes | |
af901ca1 | 7818 | * 0 - successful |
25985edc | 7819 | * -ENOMEM - No available memory |
d439d286 | 7820 | * -EIO - The mailbox failed to complete successfully. |
3772a991 | 7821 | **/ |
da0436e9 JS |
7822 | static int |
7823 | lpfc_setup_endian_order(struct lpfc_hba *phba) | |
3772a991 | 7824 | { |
da0436e9 | 7825 | LPFC_MBOXQ_t *mboxq; |
2fcee4bf | 7826 | uint32_t if_type, rc = 0; |
da0436e9 JS |
7827 | uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0, |
7828 | HOST_ENDIAN_HIGH_WORD1}; | |
3772a991 | 7829 | |
2fcee4bf JS |
7830 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
7831 | switch (if_type) { | |
7832 | case LPFC_SLI_INTF_IF_TYPE_0: | |
7833 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, | |
7834 | GFP_KERNEL); | |
7835 | if (!mboxq) { | |
7836 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7837 | "0492 Unable to allocate memory for " | |
7838 | "issuing SLI_CONFIG_SPECIAL mailbox " | |
7839 | "command\n"); | |
7840 | return -ENOMEM; | |
7841 | } | |
3772a991 | 7842 | |
2fcee4bf JS |
7843 | /* |
7844 | * The SLI4_CONFIG_SPECIAL mailbox command requires the first | |
7845 | * two words to contain special data values and no other data. | |
7846 | */ | |
7847 | memset(mboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
7848 | memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data)); | |
7849 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7850 | if (rc != MBX_SUCCESS) { | |
7851 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7852 | "0493 SLI_CONFIG_SPECIAL mailbox " | |
7853 | "failed with status x%x\n", | |
7854 | rc); | |
7855 | rc = -EIO; | |
7856 | } | |
7857 | mempool_free(mboxq, phba->mbox_mem_pool); | |
7858 | break; | |
7859 | case LPFC_SLI_INTF_IF_TYPE_2: | |
7860 | case LPFC_SLI_INTF_IF_TYPE_1: | |
7861 | default: | |
7862 | break; | |
da0436e9 | 7863 | } |
da0436e9 | 7864 | return rc; |
3772a991 JS |
7865 | } |
7866 | ||
7867 | /** | |
895427bd | 7868 | * lpfc_sli4_queue_verify - Verify and update EQ counts |
3772a991 JS |
7869 | * @phba: pointer to lpfc hba data structure. |
7870 | * | |
895427bd JS |
7871 | * This routine is invoked to check the user settable queue counts for EQs. |
7872 | * After this routine is called the counts will be set to valid values that | |
5350d872 JS |
7873 | * adhere to the constraints of the system's interrupt vectors and the port's |
7874 | * queue resources. | |
da0436e9 JS |
7875 | * |
7876 | * Return codes | |
af901ca1 | 7877 | * 0 - successful |
25985edc | 7878 | * -ENOMEM - No available memory |
3772a991 | 7879 | **/ |
da0436e9 | 7880 | static int |
5350d872 | 7881 | lpfc_sli4_queue_verify(struct lpfc_hba *phba) |
3772a991 | 7882 | { |
895427bd | 7883 | int io_channel; |
1ba981fd | 7884 | int fof_vectors = phba->cfg_fof ? 1 : 0; |
3772a991 | 7885 | |
da0436e9 | 7886 | /* |
67d12733 | 7887 | * Sanity check for configured queue parameters against the run-time |
da0436e9 JS |
7888 | * device parameters |
7889 | */ | |
3772a991 | 7890 | |
67d12733 | 7891 | /* Sanity check on HBA EQ parameters */ |
895427bd | 7892 | io_channel = phba->io_channel_irqs; |
67d12733 | 7893 | |
895427bd | 7894 | if (phba->sli4_hba.num_online_cpu < io_channel) { |
82c3e9ba JS |
7895 | lpfc_printf_log(phba, |
7896 | KERN_ERR, LOG_INIT, | |
90695ee0 | 7897 | "3188 Reducing IO channels to match number of " |
7bb03bbf | 7898 | "online CPUs: from %d to %d\n", |
895427bd JS |
7899 | io_channel, phba->sli4_hba.num_online_cpu); |
7900 | io_channel = phba->sli4_hba.num_online_cpu; | |
90695ee0 JS |
7901 | } |
7902 | ||
895427bd | 7903 | if (io_channel + fof_vectors > phba->sli4_hba.max_cfg_param.max_eq) { |
82c3e9ba JS |
7904 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
7905 | "2575 Reducing IO channels to match number of " | |
7906 | "available EQs: from %d to %d\n", | |
895427bd | 7907 | io_channel, |
82c3e9ba | 7908 | phba->sli4_hba.max_cfg_param.max_eq); |
895427bd | 7909 | io_channel = phba->sli4_hba.max_cfg_param.max_eq - fof_vectors; |
da0436e9 | 7910 | } |
67d12733 | 7911 | |
895427bd JS |
7912 | /* The actual number of FCP / NVME event queues adopted */ |
7913 | if (io_channel != phba->io_channel_irqs) | |
7914 | phba->io_channel_irqs = io_channel; | |
7915 | if (phba->cfg_fcp_io_channel > io_channel) | |
7916 | phba->cfg_fcp_io_channel = io_channel; | |
7917 | if (phba->cfg_nvme_io_channel > io_channel) | |
7918 | phba->cfg_nvme_io_channel = io_channel; | |
2d7dbc4c JS |
7919 | if (phba->cfg_nvme_io_channel < phba->cfg_nvmet_mrq) |
7920 | phba->cfg_nvmet_mrq = phba->cfg_nvme_io_channel; | |
895427bd JS |
7921 | |
7922 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2d7dbc4c | 7923 | "2574 IO channels: irqs %d fcp %d nvme %d MRQ: %d\n", |
895427bd | 7924 | phba->io_channel_irqs, phba->cfg_fcp_io_channel, |
2d7dbc4c | 7925 | phba->cfg_nvme_io_channel, phba->cfg_nvmet_mrq); |
3772a991 | 7926 | |
da0436e9 JS |
7927 | /* Get EQ depth from module parameter, fake the default for now */ |
7928 | phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B; | |
7929 | phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT; | |
3772a991 | 7930 | |
5350d872 JS |
7931 | /* Get CQ depth from module parameter, fake the default for now */ |
7932 | phba->sli4_hba.cq_esize = LPFC_CQE_SIZE; | |
7933 | phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT; | |
895427bd JS |
7934 | return 0; |
7935 | } | |
7936 | ||
7937 | static int | |
7938 | lpfc_alloc_nvme_wq_cq(struct lpfc_hba *phba, int wqidx) | |
7939 | { | |
7940 | struct lpfc_queue *qdesc; | |
7941 | int cnt; | |
5350d872 | 7942 | |
895427bd JS |
7943 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, |
7944 | phba->sli4_hba.cq_ecount); | |
7945 | if (!qdesc) { | |
7946 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7947 | "0508 Failed allocate fast-path NVME CQ (%d)\n", | |
7948 | wqidx); | |
7949 | return 1; | |
7950 | } | |
7951 | phba->sli4_hba.nvme_cq[wqidx] = qdesc; | |
7952 | ||
7953 | cnt = LPFC_NVME_WQSIZE; | |
7954 | qdesc = lpfc_sli4_queue_alloc(phba, LPFC_WQE128_SIZE, cnt); | |
7955 | if (!qdesc) { | |
7956 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7957 | "0509 Failed allocate fast-path NVME WQ (%d)\n", | |
7958 | wqidx); | |
7959 | return 1; | |
7960 | } | |
7961 | phba->sli4_hba.nvme_wq[wqidx] = qdesc; | |
7962 | list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list); | |
7963 | return 0; | |
7964 | } | |
7965 | ||
7966 | static int | |
7967 | lpfc_alloc_fcp_wq_cq(struct lpfc_hba *phba, int wqidx) | |
7968 | { | |
7969 | struct lpfc_queue *qdesc; | |
7970 | uint32_t wqesize; | |
7971 | ||
7972 | /* Create Fast Path FCP CQs */ | |
7973 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
7974 | phba->sli4_hba.cq_ecount); | |
7975 | if (!qdesc) { | |
7976 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7977 | "0499 Failed allocate fast-path FCP CQ (%d)\n", wqidx); | |
7978 | return 1; | |
7979 | } | |
7980 | phba->sli4_hba.fcp_cq[wqidx] = qdesc; | |
7981 | ||
7982 | /* Create Fast Path FCP WQs */ | |
7983 | wqesize = (phba->fcp_embed_io) ? | |
d1f525aa | 7984 | LPFC_WQE128_SIZE : phba->sli4_hba.wq_esize; |
895427bd JS |
7985 | qdesc = lpfc_sli4_queue_alloc(phba, wqesize, phba->sli4_hba.wq_ecount); |
7986 | if (!qdesc) { | |
7987 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7988 | "0503 Failed allocate fast-path FCP WQ (%d)\n", | |
7989 | wqidx); | |
7990 | return 1; | |
7991 | } | |
7992 | phba->sli4_hba.fcp_wq[wqidx] = qdesc; | |
7993 | list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list); | |
5350d872 | 7994 | return 0; |
5350d872 JS |
7995 | } |
7996 | ||
7997 | /** | |
7998 | * lpfc_sli4_queue_create - Create all the SLI4 queues | |
7999 | * @phba: pointer to lpfc hba data structure. | |
8000 | * | |
8001 | * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA | |
8002 | * operation. For each SLI4 queue type, the parameters such as queue entry | |
8003 | * count (queue depth) shall be taken from the module parameter. For now, | |
8004 | * we just use some constant number as place holder. | |
8005 | * | |
8006 | * Return codes | |
4907cb7b | 8007 | * 0 - successful |
5350d872 JS |
8008 | * -ENOMEM - No availble memory |
8009 | * -EIO - The mailbox failed to complete successfully. | |
8010 | **/ | |
8011 | int | |
8012 | lpfc_sli4_queue_create(struct lpfc_hba *phba) | |
8013 | { | |
8014 | struct lpfc_queue *qdesc; | |
d1f525aa | 8015 | int idx, io_channel; |
5350d872 JS |
8016 | |
8017 | /* | |
67d12733 | 8018 | * Create HBA Record arrays. |
895427bd | 8019 | * Both NVME and FCP will share that same vectors / EQs |
5350d872 | 8020 | */ |
895427bd JS |
8021 | io_channel = phba->io_channel_irqs; |
8022 | if (!io_channel) | |
67d12733 | 8023 | return -ERANGE; |
5350d872 | 8024 | |
67d12733 JS |
8025 | phba->sli4_hba.mq_esize = LPFC_MQE_SIZE; |
8026 | phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT; | |
8027 | phba->sli4_hba.wq_esize = LPFC_WQE_SIZE; | |
8028 | phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT; | |
8029 | phba->sli4_hba.rq_esize = LPFC_RQE_SIZE; | |
8030 | phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT; | |
895427bd JS |
8031 | phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B; |
8032 | phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT; | |
8033 | phba->sli4_hba.cq_esize = LPFC_CQE_SIZE; | |
8034 | phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT; | |
67d12733 | 8035 | |
895427bd JS |
8036 | phba->sli4_hba.hba_eq = kcalloc(io_channel, |
8037 | sizeof(struct lpfc_queue *), | |
8038 | GFP_KERNEL); | |
67d12733 JS |
8039 | if (!phba->sli4_hba.hba_eq) { |
8040 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8041 | "2576 Failed allocate memory for " | |
8042 | "fast-path EQ record array\n"); | |
8043 | goto out_error; | |
8044 | } | |
8045 | ||
895427bd JS |
8046 | if (phba->cfg_fcp_io_channel) { |
8047 | phba->sli4_hba.fcp_cq = kcalloc(phba->cfg_fcp_io_channel, | |
8048 | sizeof(struct lpfc_queue *), | |
8049 | GFP_KERNEL); | |
8050 | if (!phba->sli4_hba.fcp_cq) { | |
8051 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8052 | "2577 Failed allocate memory for " | |
8053 | "fast-path CQ record array\n"); | |
8054 | goto out_error; | |
8055 | } | |
8056 | phba->sli4_hba.fcp_wq = kcalloc(phba->cfg_fcp_io_channel, | |
8057 | sizeof(struct lpfc_queue *), | |
8058 | GFP_KERNEL); | |
8059 | if (!phba->sli4_hba.fcp_wq) { | |
8060 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8061 | "2578 Failed allocate memory for " | |
8062 | "fast-path FCP WQ record array\n"); | |
8063 | goto out_error; | |
8064 | } | |
8065 | /* | |
8066 | * Since the first EQ can have multiple CQs associated with it, | |
8067 | * this array is used to quickly see if we have a FCP fast-path | |
8068 | * CQ match. | |
8069 | */ | |
8070 | phba->sli4_hba.fcp_cq_map = kcalloc(phba->cfg_fcp_io_channel, | |
8071 | sizeof(uint16_t), | |
8072 | GFP_KERNEL); | |
8073 | if (!phba->sli4_hba.fcp_cq_map) { | |
8074 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8075 | "2545 Failed allocate memory for " | |
8076 | "fast-path CQ map\n"); | |
8077 | goto out_error; | |
8078 | } | |
67d12733 JS |
8079 | } |
8080 | ||
895427bd JS |
8081 | if (phba->cfg_nvme_io_channel) { |
8082 | phba->sli4_hba.nvme_cq = kcalloc(phba->cfg_nvme_io_channel, | |
8083 | sizeof(struct lpfc_queue *), | |
8084 | GFP_KERNEL); | |
8085 | if (!phba->sli4_hba.nvme_cq) { | |
8086 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8087 | "6077 Failed allocate memory for " | |
8088 | "fast-path CQ record array\n"); | |
8089 | goto out_error; | |
8090 | } | |
da0436e9 | 8091 | |
895427bd JS |
8092 | phba->sli4_hba.nvme_wq = kcalloc(phba->cfg_nvme_io_channel, |
8093 | sizeof(struct lpfc_queue *), | |
8094 | GFP_KERNEL); | |
8095 | if (!phba->sli4_hba.nvme_wq) { | |
8096 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8097 | "2581 Failed allocate memory for " | |
8098 | "fast-path NVME WQ record array\n"); | |
8099 | goto out_error; | |
8100 | } | |
8101 | ||
8102 | /* | |
8103 | * Since the first EQ can have multiple CQs associated with it, | |
8104 | * this array is used to quickly see if we have a NVME fast-path | |
8105 | * CQ match. | |
8106 | */ | |
8107 | phba->sli4_hba.nvme_cq_map = kcalloc(phba->cfg_nvme_io_channel, | |
8108 | sizeof(uint16_t), | |
8109 | GFP_KERNEL); | |
8110 | if (!phba->sli4_hba.nvme_cq_map) { | |
8111 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8112 | "6078 Failed allocate memory for " | |
8113 | "fast-path CQ map\n"); | |
8114 | goto out_error; | |
8115 | } | |
2d7dbc4c JS |
8116 | |
8117 | if (phba->nvmet_support) { | |
8118 | phba->sli4_hba.nvmet_cqset = kcalloc( | |
8119 | phba->cfg_nvmet_mrq, | |
8120 | sizeof(struct lpfc_queue *), | |
8121 | GFP_KERNEL); | |
8122 | if (!phba->sli4_hba.nvmet_cqset) { | |
8123 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8124 | "3121 Fail allocate memory for " | |
8125 | "fast-path CQ set array\n"); | |
8126 | goto out_error; | |
8127 | } | |
8128 | phba->sli4_hba.nvmet_mrq_hdr = kcalloc( | |
8129 | phba->cfg_nvmet_mrq, | |
8130 | sizeof(struct lpfc_queue *), | |
8131 | GFP_KERNEL); | |
8132 | if (!phba->sli4_hba.nvmet_mrq_hdr) { | |
8133 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8134 | "3122 Fail allocate memory for " | |
8135 | "fast-path RQ set hdr array\n"); | |
8136 | goto out_error; | |
8137 | } | |
8138 | phba->sli4_hba.nvmet_mrq_data = kcalloc( | |
8139 | phba->cfg_nvmet_mrq, | |
8140 | sizeof(struct lpfc_queue *), | |
8141 | GFP_KERNEL); | |
8142 | if (!phba->sli4_hba.nvmet_mrq_data) { | |
8143 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8144 | "3124 Fail allocate memory for " | |
8145 | "fast-path RQ set data array\n"); | |
8146 | goto out_error; | |
8147 | } | |
8148 | } | |
da0436e9 | 8149 | } |
67d12733 | 8150 | |
895427bd | 8151 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_wq_list); |
67d12733 | 8152 | |
895427bd JS |
8153 | /* Create HBA Event Queues (EQs) */ |
8154 | for (idx = 0; idx < io_channel; idx++) { | |
67d12733 | 8155 | /* Create EQs */ |
da0436e9 JS |
8156 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize, |
8157 | phba->sli4_hba.eq_ecount); | |
8158 | if (!qdesc) { | |
8159 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
67d12733 JS |
8160 | "0497 Failed allocate EQ (%d)\n", idx); |
8161 | goto out_error; | |
da0436e9 | 8162 | } |
67d12733 | 8163 | phba->sli4_hba.hba_eq[idx] = qdesc; |
895427bd | 8164 | } |
67d12733 | 8165 | |
895427bd | 8166 | /* FCP and NVME io channels are not required to be balanced */ |
67d12733 | 8167 | |
895427bd JS |
8168 | for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) |
8169 | if (lpfc_alloc_fcp_wq_cq(phba, idx)) | |
67d12733 | 8170 | goto out_error; |
da0436e9 | 8171 | |
895427bd JS |
8172 | for (idx = 0; idx < phba->cfg_nvme_io_channel; idx++) |
8173 | if (lpfc_alloc_nvme_wq_cq(phba, idx)) | |
8174 | goto out_error; | |
67d12733 | 8175 | |
2d7dbc4c JS |
8176 | if (phba->nvmet_support) { |
8177 | for (idx = 0; idx < phba->cfg_nvmet_mrq; idx++) { | |
8178 | qdesc = lpfc_sli4_queue_alloc(phba, | |
8179 | phba->sli4_hba.cq_esize, | |
8180 | phba->sli4_hba.cq_ecount); | |
8181 | if (!qdesc) { | |
8182 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8183 | "3142 Failed allocate NVME " | |
8184 | "CQ Set (%d)\n", idx); | |
8185 | goto out_error; | |
8186 | } | |
8187 | phba->sli4_hba.nvmet_cqset[idx] = qdesc; | |
8188 | } | |
8189 | } | |
8190 | ||
da0436e9 | 8191 | /* |
67d12733 | 8192 | * Create Slow Path Completion Queues (CQs) |
da0436e9 JS |
8193 | */ |
8194 | ||
da0436e9 JS |
8195 | /* Create slow-path Mailbox Command Complete Queue */ |
8196 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
8197 | phba->sli4_hba.cq_ecount); | |
8198 | if (!qdesc) { | |
8199 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8200 | "0500 Failed allocate slow-path mailbox CQ\n"); | |
67d12733 | 8201 | goto out_error; |
da0436e9 JS |
8202 | } |
8203 | phba->sli4_hba.mbx_cq = qdesc; | |
8204 | ||
8205 | /* Create slow-path ELS Complete Queue */ | |
8206 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
8207 | phba->sli4_hba.cq_ecount); | |
8208 | if (!qdesc) { | |
8209 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8210 | "0501 Failed allocate slow-path ELS CQ\n"); | |
67d12733 | 8211 | goto out_error; |
da0436e9 JS |
8212 | } |
8213 | phba->sli4_hba.els_cq = qdesc; | |
8214 | ||
da0436e9 | 8215 | |
5350d872 | 8216 | /* |
67d12733 | 8217 | * Create Slow Path Work Queues (WQs) |
5350d872 | 8218 | */ |
da0436e9 JS |
8219 | |
8220 | /* Create Mailbox Command Queue */ | |
da0436e9 JS |
8221 | |
8222 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize, | |
8223 | phba->sli4_hba.mq_ecount); | |
8224 | if (!qdesc) { | |
8225 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8226 | "0505 Failed allocate slow-path MQ\n"); | |
67d12733 | 8227 | goto out_error; |
da0436e9 JS |
8228 | } |
8229 | phba->sli4_hba.mbx_wq = qdesc; | |
8230 | ||
8231 | /* | |
67d12733 | 8232 | * Create ELS Work Queues |
da0436e9 | 8233 | */ |
da0436e9 JS |
8234 | |
8235 | /* Create slow-path ELS Work Queue */ | |
8236 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize, | |
8237 | phba->sli4_hba.wq_ecount); | |
8238 | if (!qdesc) { | |
8239 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8240 | "0504 Failed allocate slow-path ELS WQ\n"); | |
67d12733 | 8241 | goto out_error; |
da0436e9 JS |
8242 | } |
8243 | phba->sli4_hba.els_wq = qdesc; | |
895427bd JS |
8244 | list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list); |
8245 | ||
8246 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { | |
8247 | /* Create NVME LS Complete Queue */ | |
8248 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
8249 | phba->sli4_hba.cq_ecount); | |
8250 | if (!qdesc) { | |
8251 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8252 | "6079 Failed allocate NVME LS CQ\n"); | |
8253 | goto out_error; | |
8254 | } | |
8255 | phba->sli4_hba.nvmels_cq = qdesc; | |
8256 | ||
8257 | /* Create NVME LS Work Queue */ | |
8258 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize, | |
8259 | phba->sli4_hba.wq_ecount); | |
8260 | if (!qdesc) { | |
8261 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8262 | "6080 Failed allocate NVME LS WQ\n"); | |
8263 | goto out_error; | |
8264 | } | |
8265 | phba->sli4_hba.nvmels_wq = qdesc; | |
8266 | list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list); | |
8267 | } | |
da0436e9 | 8268 | |
da0436e9 JS |
8269 | /* |
8270 | * Create Receive Queue (RQ) | |
8271 | */ | |
da0436e9 JS |
8272 | |
8273 | /* Create Receive Queue for header */ | |
8274 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, | |
8275 | phba->sli4_hba.rq_ecount); | |
8276 | if (!qdesc) { | |
8277 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8278 | "0506 Failed allocate receive HRQ\n"); | |
67d12733 | 8279 | goto out_error; |
da0436e9 JS |
8280 | } |
8281 | phba->sli4_hba.hdr_rq = qdesc; | |
8282 | ||
8283 | /* Create Receive Queue for data */ | |
8284 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, | |
8285 | phba->sli4_hba.rq_ecount); | |
8286 | if (!qdesc) { | |
8287 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8288 | "0507 Failed allocate receive DRQ\n"); | |
67d12733 | 8289 | goto out_error; |
da0436e9 JS |
8290 | } |
8291 | phba->sli4_hba.dat_rq = qdesc; | |
8292 | ||
2d7dbc4c JS |
8293 | if (phba->nvmet_support) { |
8294 | for (idx = 0; idx < phba->cfg_nvmet_mrq; idx++) { | |
8295 | /* Create NVMET Receive Queue for header */ | |
8296 | qdesc = lpfc_sli4_queue_alloc(phba, | |
8297 | phba->sli4_hba.rq_esize, | |
61f3d4bf | 8298 | LPFC_NVMET_RQE_DEF_COUNT); |
2d7dbc4c JS |
8299 | if (!qdesc) { |
8300 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8301 | "3146 Failed allocate " | |
8302 | "receive HRQ\n"); | |
8303 | goto out_error; | |
8304 | } | |
8305 | phba->sli4_hba.nvmet_mrq_hdr[idx] = qdesc; | |
8306 | ||
8307 | /* Only needed for header of RQ pair */ | |
8308 | qdesc->rqbp = kzalloc(sizeof(struct lpfc_rqb), | |
8309 | GFP_KERNEL); | |
8310 | if (qdesc->rqbp == NULL) { | |
8311 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8312 | "6131 Failed allocate " | |
8313 | "Header RQBP\n"); | |
8314 | goto out_error; | |
8315 | } | |
8316 | ||
4b40d02b DK |
8317 | /* Put list in known state in case driver load fails. */ |
8318 | INIT_LIST_HEAD(&qdesc->rqbp->rqb_buffer_list); | |
8319 | ||
2d7dbc4c JS |
8320 | /* Create NVMET Receive Queue for data */ |
8321 | qdesc = lpfc_sli4_queue_alloc(phba, | |
8322 | phba->sli4_hba.rq_esize, | |
61f3d4bf | 8323 | LPFC_NVMET_RQE_DEF_COUNT); |
2d7dbc4c JS |
8324 | if (!qdesc) { |
8325 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8326 | "3156 Failed allocate " | |
8327 | "receive DRQ\n"); | |
8328 | goto out_error; | |
8329 | } | |
8330 | phba->sli4_hba.nvmet_mrq_data[idx] = qdesc; | |
8331 | } | |
8332 | } | |
8333 | ||
1ba981fd JS |
8334 | /* Create the Queues needed for Flash Optimized Fabric operations */ |
8335 | if (phba->cfg_fof) | |
8336 | lpfc_fof_queue_create(phba); | |
da0436e9 JS |
8337 | return 0; |
8338 | ||
da0436e9 | 8339 | out_error: |
67d12733 | 8340 | lpfc_sli4_queue_destroy(phba); |
da0436e9 JS |
8341 | return -ENOMEM; |
8342 | } | |
8343 | ||
895427bd JS |
8344 | static inline void |
8345 | __lpfc_sli4_release_queue(struct lpfc_queue **qp) | |
8346 | { | |
8347 | if (*qp != NULL) { | |
8348 | lpfc_sli4_queue_free(*qp); | |
8349 | *qp = NULL; | |
8350 | } | |
8351 | } | |
8352 | ||
8353 | static inline void | |
8354 | lpfc_sli4_release_queues(struct lpfc_queue ***qs, int max) | |
8355 | { | |
8356 | int idx; | |
8357 | ||
8358 | if (*qs == NULL) | |
8359 | return; | |
8360 | ||
8361 | for (idx = 0; idx < max; idx++) | |
8362 | __lpfc_sli4_release_queue(&(*qs)[idx]); | |
8363 | ||
8364 | kfree(*qs); | |
8365 | *qs = NULL; | |
8366 | } | |
8367 | ||
8368 | static inline void | |
8369 | lpfc_sli4_release_queue_map(uint16_t **qmap) | |
8370 | { | |
8371 | if (*qmap != NULL) { | |
8372 | kfree(*qmap); | |
8373 | *qmap = NULL; | |
8374 | } | |
8375 | } | |
8376 | ||
da0436e9 JS |
8377 | /** |
8378 | * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues | |
8379 | * @phba: pointer to lpfc hba data structure. | |
8380 | * | |
8381 | * This routine is invoked to release all the SLI4 queues with the FCoE HBA | |
8382 | * operation. | |
8383 | * | |
8384 | * Return codes | |
af901ca1 | 8385 | * 0 - successful |
25985edc | 8386 | * -ENOMEM - No available memory |
d439d286 | 8387 | * -EIO - The mailbox failed to complete successfully. |
da0436e9 | 8388 | **/ |
5350d872 | 8389 | void |
da0436e9 JS |
8390 | lpfc_sli4_queue_destroy(struct lpfc_hba *phba) |
8391 | { | |
1ba981fd JS |
8392 | if (phba->cfg_fof) |
8393 | lpfc_fof_queue_destroy(phba); | |
8394 | ||
895427bd JS |
8395 | /* Release HBA eqs */ |
8396 | lpfc_sli4_release_queues(&phba->sli4_hba.hba_eq, phba->io_channel_irqs); | |
8397 | ||
8398 | /* Release FCP cqs */ | |
8399 | lpfc_sli4_release_queues(&phba->sli4_hba.fcp_cq, | |
d1f525aa | 8400 | phba->cfg_fcp_io_channel); |
895427bd JS |
8401 | |
8402 | /* Release FCP wqs */ | |
8403 | lpfc_sli4_release_queues(&phba->sli4_hba.fcp_wq, | |
d1f525aa | 8404 | phba->cfg_fcp_io_channel); |
895427bd JS |
8405 | |
8406 | /* Release FCP CQ mapping array */ | |
8407 | lpfc_sli4_release_queue_map(&phba->sli4_hba.fcp_cq_map); | |
8408 | ||
8409 | /* Release NVME cqs */ | |
8410 | lpfc_sli4_release_queues(&phba->sli4_hba.nvme_cq, | |
8411 | phba->cfg_nvme_io_channel); | |
8412 | ||
8413 | /* Release NVME wqs */ | |
8414 | lpfc_sli4_release_queues(&phba->sli4_hba.nvme_wq, | |
8415 | phba->cfg_nvme_io_channel); | |
8416 | ||
8417 | /* Release NVME CQ mapping array */ | |
8418 | lpfc_sli4_release_queue_map(&phba->sli4_hba.nvme_cq_map); | |
8419 | ||
2d7dbc4c JS |
8420 | lpfc_sli4_release_queues(&phba->sli4_hba.nvmet_cqset, |
8421 | phba->cfg_nvmet_mrq); | |
8422 | ||
8423 | lpfc_sli4_release_queues(&phba->sli4_hba.nvmet_mrq_hdr, | |
8424 | phba->cfg_nvmet_mrq); | |
8425 | lpfc_sli4_release_queues(&phba->sli4_hba.nvmet_mrq_data, | |
8426 | phba->cfg_nvmet_mrq); | |
8427 | ||
895427bd JS |
8428 | /* Release mailbox command work queue */ |
8429 | __lpfc_sli4_release_queue(&phba->sli4_hba.mbx_wq); | |
8430 | ||
8431 | /* Release ELS work queue */ | |
8432 | __lpfc_sli4_release_queue(&phba->sli4_hba.els_wq); | |
8433 | ||
8434 | /* Release ELS work queue */ | |
8435 | __lpfc_sli4_release_queue(&phba->sli4_hba.nvmels_wq); | |
8436 | ||
8437 | /* Release unsolicited receive queue */ | |
8438 | __lpfc_sli4_release_queue(&phba->sli4_hba.hdr_rq); | |
8439 | __lpfc_sli4_release_queue(&phba->sli4_hba.dat_rq); | |
8440 | ||
8441 | /* Release ELS complete queue */ | |
8442 | __lpfc_sli4_release_queue(&phba->sli4_hba.els_cq); | |
8443 | ||
8444 | /* Release NVME LS complete queue */ | |
8445 | __lpfc_sli4_release_queue(&phba->sli4_hba.nvmels_cq); | |
8446 | ||
8447 | /* Release mailbox command complete queue */ | |
8448 | __lpfc_sli4_release_queue(&phba->sli4_hba.mbx_cq); | |
8449 | ||
8450 | /* Everything on this list has been freed */ | |
8451 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_wq_list); | |
8452 | } | |
8453 | ||
895427bd JS |
8454 | int |
8455 | lpfc_free_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *rq) | |
8456 | { | |
8457 | struct lpfc_rqb *rqbp; | |
8458 | struct lpfc_dmabuf *h_buf; | |
8459 | struct rqb_dmabuf *rqb_buffer; | |
8460 | ||
8461 | rqbp = rq->rqbp; | |
8462 | while (!list_empty(&rqbp->rqb_buffer_list)) { | |
8463 | list_remove_head(&rqbp->rqb_buffer_list, h_buf, | |
8464 | struct lpfc_dmabuf, list); | |
8465 | ||
8466 | rqb_buffer = container_of(h_buf, struct rqb_dmabuf, hbuf); | |
8467 | (rqbp->rqb_free_buffer)(phba, rqb_buffer); | |
8468 | rqbp->buffer_count--; | |
67d12733 | 8469 | } |
895427bd JS |
8470 | return 1; |
8471 | } | |
67d12733 | 8472 | |
895427bd JS |
8473 | static int |
8474 | lpfc_create_wq_cq(struct lpfc_hba *phba, struct lpfc_queue *eq, | |
8475 | struct lpfc_queue *cq, struct lpfc_queue *wq, uint16_t *cq_map, | |
8476 | int qidx, uint32_t qtype) | |
8477 | { | |
8478 | struct lpfc_sli_ring *pring; | |
8479 | int rc; | |
8480 | ||
8481 | if (!eq || !cq || !wq) { | |
8482 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8483 | "6085 Fast-path %s (%d) not allocated\n", | |
8484 | ((eq) ? ((cq) ? "WQ" : "CQ") : "EQ"), qidx); | |
8485 | return -ENOMEM; | |
8486 | } | |
8487 | ||
8488 | /* create the Cq first */ | |
8489 | rc = lpfc_cq_create(phba, cq, eq, | |
8490 | (qtype == LPFC_MBOX) ? LPFC_MCQ : LPFC_WCQ, qtype); | |
8491 | if (rc) { | |
8492 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8493 | "6086 Failed setup of CQ (%d), rc = 0x%x\n", | |
8494 | qidx, (uint32_t)rc); | |
8495 | return rc; | |
67d12733 JS |
8496 | } |
8497 | ||
895427bd JS |
8498 | if (qtype != LPFC_MBOX) { |
8499 | /* Setup nvme_cq_map for fast lookup */ | |
8500 | if (cq_map) | |
8501 | *cq_map = cq->queue_id; | |
da0436e9 | 8502 | |
895427bd JS |
8503 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
8504 | "6087 CQ setup: cq[%d]-id=%d, parent eq[%d]-id=%d\n", | |
8505 | qidx, cq->queue_id, qidx, eq->queue_id); | |
da0436e9 | 8506 | |
895427bd JS |
8507 | /* create the wq */ |
8508 | rc = lpfc_wq_create(phba, wq, cq, qtype); | |
8509 | if (rc) { | |
8510 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8511 | "6123 Fail setup fastpath WQ (%d), rc = 0x%x\n", | |
8512 | qidx, (uint32_t)rc); | |
8513 | /* no need to tear down cq - caller will do so */ | |
8514 | return rc; | |
8515 | } | |
da0436e9 | 8516 | |
895427bd JS |
8517 | /* Bind this CQ/WQ to the NVME ring */ |
8518 | pring = wq->pring; | |
8519 | pring->sli.sli4.wqp = (void *)wq; | |
8520 | cq->pring = pring; | |
da0436e9 | 8521 | |
895427bd JS |
8522 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
8523 | "2593 WQ setup: wq[%d]-id=%d assoc=%d, cq[%d]-id=%d\n", | |
8524 | qidx, wq->queue_id, wq->assoc_qid, qidx, cq->queue_id); | |
8525 | } else { | |
8526 | rc = lpfc_mq_create(phba, wq, cq, LPFC_MBOX); | |
8527 | if (rc) { | |
8528 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8529 | "0539 Failed setup of slow-path MQ: " | |
8530 | "rc = 0x%x\n", rc); | |
8531 | /* no need to tear down cq - caller will do so */ | |
8532 | return rc; | |
8533 | } | |
da0436e9 | 8534 | |
895427bd JS |
8535 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
8536 | "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n", | |
8537 | phba->sli4_hba.mbx_wq->queue_id, | |
8538 | phba->sli4_hba.mbx_cq->queue_id); | |
67d12733 | 8539 | } |
da0436e9 | 8540 | |
895427bd | 8541 | return 0; |
da0436e9 JS |
8542 | } |
8543 | ||
8544 | /** | |
8545 | * lpfc_sli4_queue_setup - Set up all the SLI4 queues | |
8546 | * @phba: pointer to lpfc hba data structure. | |
8547 | * | |
8548 | * This routine is invoked to set up all the SLI4 queues for the FCoE HBA | |
8549 | * operation. | |
8550 | * | |
8551 | * Return codes | |
af901ca1 | 8552 | * 0 - successful |
25985edc | 8553 | * -ENOMEM - No available memory |
d439d286 | 8554 | * -EIO - The mailbox failed to complete successfully. |
da0436e9 JS |
8555 | **/ |
8556 | int | |
8557 | lpfc_sli4_queue_setup(struct lpfc_hba *phba) | |
8558 | { | |
962bc51b JS |
8559 | uint32_t shdr_status, shdr_add_status; |
8560 | union lpfc_sli4_cfg_shdr *shdr; | |
8561 | LPFC_MBOXQ_t *mboxq; | |
895427bd JS |
8562 | int qidx; |
8563 | uint32_t length, io_channel; | |
8564 | int rc = -ENOMEM; | |
962bc51b JS |
8565 | |
8566 | /* Check for dual-ULP support */ | |
8567 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
8568 | if (!mboxq) { | |
8569 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8570 | "3249 Unable to allocate memory for " | |
8571 | "QUERY_FW_CFG mailbox command\n"); | |
8572 | return -ENOMEM; | |
8573 | } | |
8574 | length = (sizeof(struct lpfc_mbx_query_fw_config) - | |
8575 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
8576 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
8577 | LPFC_MBOX_OPCODE_QUERY_FW_CFG, | |
8578 | length, LPFC_SLI4_MBX_EMBED); | |
8579 | ||
8580 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
8581 | ||
8582 | shdr = (union lpfc_sli4_cfg_shdr *) | |
8583 | &mboxq->u.mqe.un.sli4_config.header.cfg_shdr; | |
8584 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
8585 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
8586 | if (shdr_status || shdr_add_status || rc) { | |
8587 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8588 | "3250 QUERY_FW_CFG mailbox failed with status " | |
8589 | "x%x add_status x%x, mbx status x%x\n", | |
8590 | shdr_status, shdr_add_status, rc); | |
8591 | if (rc != MBX_TIMEOUT) | |
8592 | mempool_free(mboxq, phba->mbox_mem_pool); | |
8593 | rc = -ENXIO; | |
8594 | goto out_error; | |
8595 | } | |
8596 | ||
8597 | phba->sli4_hba.fw_func_mode = | |
8598 | mboxq->u.mqe.un.query_fw_cfg.rsp.function_mode; | |
8599 | phba->sli4_hba.ulp0_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp0_mode; | |
8600 | phba->sli4_hba.ulp1_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp1_mode; | |
8b017a30 JS |
8601 | phba->sli4_hba.physical_port = |
8602 | mboxq->u.mqe.un.query_fw_cfg.rsp.physical_port; | |
962bc51b JS |
8603 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
8604 | "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, " | |
8605 | "ulp1_mode:x%x\n", phba->sli4_hba.fw_func_mode, | |
8606 | phba->sli4_hba.ulp0_mode, phba->sli4_hba.ulp1_mode); | |
8607 | ||
8608 | if (rc != MBX_TIMEOUT) | |
8609 | mempool_free(mboxq, phba->mbox_mem_pool); | |
da0436e9 JS |
8610 | |
8611 | /* | |
67d12733 | 8612 | * Set up HBA Event Queues (EQs) |
da0436e9 | 8613 | */ |
895427bd | 8614 | io_channel = phba->io_channel_irqs; |
da0436e9 | 8615 | |
67d12733 | 8616 | /* Set up HBA event queue */ |
895427bd | 8617 | if (io_channel && !phba->sli4_hba.hba_eq) { |
2e90f4b5 JS |
8618 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
8619 | "3147 Fast-path EQs not allocated\n"); | |
1b51197d | 8620 | rc = -ENOMEM; |
67d12733 | 8621 | goto out_error; |
2e90f4b5 | 8622 | } |
895427bd JS |
8623 | for (qidx = 0; qidx < io_channel; qidx++) { |
8624 | if (!phba->sli4_hba.hba_eq[qidx]) { | |
da0436e9 JS |
8625 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
8626 | "0522 Fast-path EQ (%d) not " | |
895427bd | 8627 | "allocated\n", qidx); |
1b51197d | 8628 | rc = -ENOMEM; |
895427bd | 8629 | goto out_destroy; |
da0436e9 | 8630 | } |
895427bd JS |
8631 | rc = lpfc_eq_create(phba, phba->sli4_hba.hba_eq[qidx], |
8632 | phba->cfg_fcp_imax); | |
da0436e9 JS |
8633 | if (rc) { |
8634 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8635 | "0523 Failed setup of fast-path EQ " | |
895427bd | 8636 | "(%d), rc = 0x%x\n", qidx, |
a2fc4aef | 8637 | (uint32_t)rc); |
895427bd | 8638 | goto out_destroy; |
da0436e9 JS |
8639 | } |
8640 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
895427bd JS |
8641 | "2584 HBA EQ setup: queue[%d]-id=%d\n", |
8642 | qidx, phba->sli4_hba.hba_eq[qidx]->queue_id); | |
67d12733 JS |
8643 | } |
8644 | ||
895427bd JS |
8645 | if (phba->cfg_nvme_io_channel) { |
8646 | if (!phba->sli4_hba.nvme_cq || !phba->sli4_hba.nvme_wq) { | |
67d12733 | 8647 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
895427bd JS |
8648 | "6084 Fast-path NVME %s array not allocated\n", |
8649 | (phba->sli4_hba.nvme_cq) ? "CQ" : "WQ"); | |
67d12733 | 8650 | rc = -ENOMEM; |
895427bd | 8651 | goto out_destroy; |
67d12733 JS |
8652 | } |
8653 | ||
895427bd JS |
8654 | for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) { |
8655 | rc = lpfc_create_wq_cq(phba, | |
8656 | phba->sli4_hba.hba_eq[ | |
8657 | qidx % io_channel], | |
8658 | phba->sli4_hba.nvme_cq[qidx], | |
8659 | phba->sli4_hba.nvme_wq[qidx], | |
8660 | &phba->sli4_hba.nvme_cq_map[qidx], | |
8661 | qidx, LPFC_NVME); | |
8662 | if (rc) { | |
8663 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8664 | "6123 Failed to setup fastpath " | |
8665 | "NVME WQ/CQ (%d), rc = 0x%x\n", | |
8666 | qidx, (uint32_t)rc); | |
8667 | goto out_destroy; | |
8668 | } | |
8669 | } | |
67d12733 JS |
8670 | } |
8671 | ||
895427bd JS |
8672 | if (phba->cfg_fcp_io_channel) { |
8673 | /* Set up fast-path FCP Response Complete Queue */ | |
8674 | if (!phba->sli4_hba.fcp_cq || !phba->sli4_hba.fcp_wq) { | |
67d12733 | 8675 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
895427bd JS |
8676 | "3148 Fast-path FCP %s array not allocated\n", |
8677 | phba->sli4_hba.fcp_cq ? "WQ" : "CQ"); | |
67d12733 | 8678 | rc = -ENOMEM; |
895427bd | 8679 | goto out_destroy; |
67d12733 JS |
8680 | } |
8681 | ||
895427bd JS |
8682 | for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++) { |
8683 | rc = lpfc_create_wq_cq(phba, | |
8684 | phba->sli4_hba.hba_eq[ | |
8685 | qidx % io_channel], | |
8686 | phba->sli4_hba.fcp_cq[qidx], | |
8687 | phba->sli4_hba.fcp_wq[qidx], | |
8688 | &phba->sli4_hba.fcp_cq_map[qidx], | |
8689 | qidx, LPFC_FCP); | |
8690 | if (rc) { | |
8691 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8692 | "0535 Failed to setup fastpath " | |
8693 | "FCP WQ/CQ (%d), rc = 0x%x\n", | |
8694 | qidx, (uint32_t)rc); | |
8695 | goto out_destroy; | |
8696 | } | |
8697 | } | |
67d12733 | 8698 | } |
895427bd | 8699 | |
da0436e9 | 8700 | /* |
895427bd | 8701 | * Set up Slow Path Complete Queues (CQs) |
da0436e9 JS |
8702 | */ |
8703 | ||
895427bd | 8704 | /* Set up slow-path MBOX CQ/MQ */ |
da0436e9 | 8705 | |
895427bd | 8706 | if (!phba->sli4_hba.mbx_cq || !phba->sli4_hba.mbx_wq) { |
da0436e9 | 8707 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
895427bd JS |
8708 | "0528 %s not allocated\n", |
8709 | phba->sli4_hba.mbx_cq ? | |
d1f525aa | 8710 | "Mailbox WQ" : "Mailbox CQ"); |
1b51197d | 8711 | rc = -ENOMEM; |
895427bd | 8712 | goto out_destroy; |
da0436e9 | 8713 | } |
da0436e9 | 8714 | |
895427bd | 8715 | rc = lpfc_create_wq_cq(phba, phba->sli4_hba.hba_eq[0], |
d1f525aa JS |
8716 | phba->sli4_hba.mbx_cq, |
8717 | phba->sli4_hba.mbx_wq, | |
8718 | NULL, 0, LPFC_MBOX); | |
da0436e9 JS |
8719 | if (rc) { |
8720 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
895427bd JS |
8721 | "0529 Failed setup of mailbox WQ/CQ: rc = 0x%x\n", |
8722 | (uint32_t)rc); | |
8723 | goto out_destroy; | |
da0436e9 | 8724 | } |
2d7dbc4c JS |
8725 | if (phba->nvmet_support) { |
8726 | if (!phba->sli4_hba.nvmet_cqset) { | |
8727 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8728 | "3165 Fast-path NVME CQ Set " | |
8729 | "array not allocated\n"); | |
8730 | rc = -ENOMEM; | |
8731 | goto out_destroy; | |
8732 | } | |
8733 | if (phba->cfg_nvmet_mrq > 1) { | |
8734 | rc = lpfc_cq_create_set(phba, | |
8735 | phba->sli4_hba.nvmet_cqset, | |
8736 | phba->sli4_hba.hba_eq, | |
8737 | LPFC_WCQ, LPFC_NVMET); | |
8738 | if (rc) { | |
8739 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8740 | "3164 Failed setup of NVME CQ " | |
8741 | "Set, rc = 0x%x\n", | |
8742 | (uint32_t)rc); | |
8743 | goto out_destroy; | |
8744 | } | |
8745 | } else { | |
8746 | /* Set up NVMET Receive Complete Queue */ | |
8747 | rc = lpfc_cq_create(phba, phba->sli4_hba.nvmet_cqset[0], | |
8748 | phba->sli4_hba.hba_eq[0], | |
8749 | LPFC_WCQ, LPFC_NVMET); | |
8750 | if (rc) { | |
8751 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8752 | "6089 Failed setup NVMET CQ: " | |
8753 | "rc = 0x%x\n", (uint32_t)rc); | |
8754 | goto out_destroy; | |
8755 | } | |
8756 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8757 | "6090 NVMET CQ setup: cq-id=%d, " | |
8758 | "parent eq-id=%d\n", | |
8759 | phba->sli4_hba.nvmet_cqset[0]->queue_id, | |
8760 | phba->sli4_hba.hba_eq[0]->queue_id); | |
8761 | } | |
8762 | } | |
da0436e9 | 8763 | |
895427bd JS |
8764 | /* Set up slow-path ELS WQ/CQ */ |
8765 | if (!phba->sli4_hba.els_cq || !phba->sli4_hba.els_wq) { | |
da0436e9 | 8766 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
895427bd JS |
8767 | "0530 ELS %s not allocated\n", |
8768 | phba->sli4_hba.els_cq ? "WQ" : "CQ"); | |
1b51197d | 8769 | rc = -ENOMEM; |
895427bd | 8770 | goto out_destroy; |
da0436e9 | 8771 | } |
895427bd JS |
8772 | rc = lpfc_create_wq_cq(phba, phba->sli4_hba.hba_eq[0], |
8773 | phba->sli4_hba.els_cq, | |
8774 | phba->sli4_hba.els_wq, | |
8775 | NULL, 0, LPFC_ELS); | |
da0436e9 JS |
8776 | if (rc) { |
8777 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
895427bd JS |
8778 | "0529 Failed setup of ELS WQ/CQ: rc = 0x%x\n", |
8779 | (uint32_t)rc); | |
8780 | goto out_destroy; | |
da0436e9 JS |
8781 | } |
8782 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8783 | "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n", | |
8784 | phba->sli4_hba.els_wq->queue_id, | |
8785 | phba->sli4_hba.els_cq->queue_id); | |
8786 | ||
895427bd JS |
8787 | if (phba->cfg_nvme_io_channel) { |
8788 | /* Set up NVME LS Complete Queue */ | |
8789 | if (!phba->sli4_hba.nvmels_cq || !phba->sli4_hba.nvmels_wq) { | |
8790 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8791 | "6091 LS %s not allocated\n", | |
8792 | phba->sli4_hba.nvmels_cq ? "WQ" : "CQ"); | |
8793 | rc = -ENOMEM; | |
8794 | goto out_destroy; | |
8795 | } | |
8796 | rc = lpfc_create_wq_cq(phba, phba->sli4_hba.hba_eq[0], | |
8797 | phba->sli4_hba.nvmels_cq, | |
8798 | phba->sli4_hba.nvmels_wq, | |
8799 | NULL, 0, LPFC_NVME_LS); | |
8800 | if (rc) { | |
8801 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8802 | "0529 Failed setup of NVVME LS WQ/CQ: " | |
8803 | "rc = 0x%x\n", (uint32_t)rc); | |
8804 | goto out_destroy; | |
8805 | } | |
8806 | ||
8807 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8808 | "6096 ELS WQ setup: wq-id=%d, " | |
8809 | "parent cq-id=%d\n", | |
8810 | phba->sli4_hba.nvmels_wq->queue_id, | |
8811 | phba->sli4_hba.nvmels_cq->queue_id); | |
8812 | } | |
8813 | ||
2d7dbc4c JS |
8814 | /* |
8815 | * Create NVMET Receive Queue (RQ) | |
8816 | */ | |
8817 | if (phba->nvmet_support) { | |
8818 | if ((!phba->sli4_hba.nvmet_cqset) || | |
8819 | (!phba->sli4_hba.nvmet_mrq_hdr) || | |
8820 | (!phba->sli4_hba.nvmet_mrq_data)) { | |
8821 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8822 | "6130 MRQ CQ Queues not " | |
8823 | "allocated\n"); | |
8824 | rc = -ENOMEM; | |
8825 | goto out_destroy; | |
8826 | } | |
8827 | if (phba->cfg_nvmet_mrq > 1) { | |
8828 | rc = lpfc_mrq_create(phba, | |
8829 | phba->sli4_hba.nvmet_mrq_hdr, | |
8830 | phba->sli4_hba.nvmet_mrq_data, | |
8831 | phba->sli4_hba.nvmet_cqset, | |
8832 | LPFC_NVMET); | |
8833 | if (rc) { | |
8834 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8835 | "6098 Failed setup of NVMET " | |
8836 | "MRQ: rc = 0x%x\n", | |
8837 | (uint32_t)rc); | |
8838 | goto out_destroy; | |
8839 | } | |
8840 | ||
8841 | } else { | |
8842 | rc = lpfc_rq_create(phba, | |
8843 | phba->sli4_hba.nvmet_mrq_hdr[0], | |
8844 | phba->sli4_hba.nvmet_mrq_data[0], | |
8845 | phba->sli4_hba.nvmet_cqset[0], | |
8846 | LPFC_NVMET); | |
8847 | if (rc) { | |
8848 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8849 | "6057 Failed setup of NVMET " | |
8850 | "Receive Queue: rc = 0x%x\n", | |
8851 | (uint32_t)rc); | |
8852 | goto out_destroy; | |
8853 | } | |
8854 | ||
8855 | lpfc_printf_log( | |
8856 | phba, KERN_INFO, LOG_INIT, | |
8857 | "6099 NVMET RQ setup: hdr-rq-id=%d, " | |
8858 | "dat-rq-id=%d parent cq-id=%d\n", | |
8859 | phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id, | |
8860 | phba->sli4_hba.nvmet_mrq_data[0]->queue_id, | |
8861 | phba->sli4_hba.nvmet_cqset[0]->queue_id); | |
8862 | ||
8863 | } | |
8864 | } | |
8865 | ||
da0436e9 JS |
8866 | if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) { |
8867 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8868 | "0540 Receive Queue not allocated\n"); | |
1b51197d | 8869 | rc = -ENOMEM; |
895427bd | 8870 | goto out_destroy; |
da0436e9 | 8871 | } |
73d91e50 | 8872 | |
da0436e9 | 8873 | rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq, |
4d9ab994 | 8874 | phba->sli4_hba.els_cq, LPFC_USOL); |
da0436e9 JS |
8875 | if (rc) { |
8876 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8877 | "0541 Failed setup of Receive Queue: " | |
a2fc4aef | 8878 | "rc = 0x%x\n", (uint32_t)rc); |
895427bd | 8879 | goto out_destroy; |
da0436e9 | 8880 | } |
73d91e50 | 8881 | |
da0436e9 JS |
8882 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
8883 | "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d " | |
8884 | "parent cq-id=%d\n", | |
8885 | phba->sli4_hba.hdr_rq->queue_id, | |
8886 | phba->sli4_hba.dat_rq->queue_id, | |
4d9ab994 | 8887 | phba->sli4_hba.els_cq->queue_id); |
1ba981fd JS |
8888 | |
8889 | if (phba->cfg_fof) { | |
8890 | rc = lpfc_fof_queue_setup(phba); | |
8891 | if (rc) { | |
8892 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8893 | "0549 Failed setup of FOF Queues: " | |
8894 | "rc = 0x%x\n", rc); | |
895427bd | 8895 | goto out_destroy; |
1ba981fd JS |
8896 | } |
8897 | } | |
2c9c5a00 | 8898 | |
43140ca6 | 8899 | for (qidx = 0; qidx < io_channel; qidx += LPFC_MAX_EQ_DELAY_EQID_CNT) |
0cf07f84 JS |
8900 | lpfc_modify_hba_eq_delay(phba, qidx, LPFC_MAX_EQ_DELAY_EQID_CNT, |
8901 | phba->cfg_fcp_imax); | |
43140ca6 | 8902 | |
da0436e9 JS |
8903 | return 0; |
8904 | ||
895427bd JS |
8905 | out_destroy: |
8906 | lpfc_sli4_queue_unset(phba); | |
da0436e9 JS |
8907 | out_error: |
8908 | return rc; | |
8909 | } | |
8910 | ||
8911 | /** | |
8912 | * lpfc_sli4_queue_unset - Unset all the SLI4 queues | |
8913 | * @phba: pointer to lpfc hba data structure. | |
8914 | * | |
8915 | * This routine is invoked to unset all the SLI4 queues with the FCoE HBA | |
8916 | * operation. | |
8917 | * | |
8918 | * Return codes | |
af901ca1 | 8919 | * 0 - successful |
25985edc | 8920 | * -ENOMEM - No available memory |
d439d286 | 8921 | * -EIO - The mailbox failed to complete successfully. |
da0436e9 JS |
8922 | **/ |
8923 | void | |
8924 | lpfc_sli4_queue_unset(struct lpfc_hba *phba) | |
8925 | { | |
895427bd | 8926 | int qidx; |
da0436e9 | 8927 | |
1ba981fd JS |
8928 | /* Unset the queues created for Flash Optimized Fabric operations */ |
8929 | if (phba->cfg_fof) | |
8930 | lpfc_fof_queue_destroy(phba); | |
895427bd | 8931 | |
da0436e9 | 8932 | /* Unset mailbox command work queue */ |
895427bd JS |
8933 | if (phba->sli4_hba.mbx_wq) |
8934 | lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq); | |
8935 | ||
8936 | /* Unset NVME LS work queue */ | |
8937 | if (phba->sli4_hba.nvmels_wq) | |
8938 | lpfc_wq_destroy(phba, phba->sli4_hba.nvmels_wq); | |
8939 | ||
da0436e9 | 8940 | /* Unset ELS work queue */ |
019c0d66 | 8941 | if (phba->sli4_hba.els_wq) |
895427bd JS |
8942 | lpfc_wq_destroy(phba, phba->sli4_hba.els_wq); |
8943 | ||
da0436e9 | 8944 | /* Unset unsolicited receive queue */ |
895427bd JS |
8945 | if (phba->sli4_hba.hdr_rq) |
8946 | lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, | |
8947 | phba->sli4_hba.dat_rq); | |
8948 | ||
da0436e9 | 8949 | /* Unset FCP work queue */ |
895427bd JS |
8950 | if (phba->sli4_hba.fcp_wq) |
8951 | for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++) | |
8952 | lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[qidx]); | |
8953 | ||
8954 | /* Unset NVME work queue */ | |
8955 | if (phba->sli4_hba.nvme_wq) { | |
8956 | for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) | |
8957 | lpfc_wq_destroy(phba, phba->sli4_hba.nvme_wq[qidx]); | |
67d12733 | 8958 | } |
895427bd | 8959 | |
da0436e9 | 8960 | /* Unset mailbox command complete queue */ |
895427bd JS |
8961 | if (phba->sli4_hba.mbx_cq) |
8962 | lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq); | |
8963 | ||
da0436e9 | 8964 | /* Unset ELS complete queue */ |
895427bd JS |
8965 | if (phba->sli4_hba.els_cq) |
8966 | lpfc_cq_destroy(phba, phba->sli4_hba.els_cq); | |
8967 | ||
8968 | /* Unset NVME LS complete queue */ | |
8969 | if (phba->sli4_hba.nvmels_cq) | |
8970 | lpfc_cq_destroy(phba, phba->sli4_hba.nvmels_cq); | |
8971 | ||
8972 | /* Unset NVME response complete queue */ | |
8973 | if (phba->sli4_hba.nvme_cq) | |
8974 | for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) | |
8975 | lpfc_cq_destroy(phba, phba->sli4_hba.nvme_cq[qidx]); | |
8976 | ||
2d7dbc4c JS |
8977 | /* Unset NVMET MRQ queue */ |
8978 | if (phba->sli4_hba.nvmet_mrq_hdr) { | |
8979 | for (qidx = 0; qidx < phba->cfg_nvmet_mrq; qidx++) | |
8980 | lpfc_rq_destroy(phba, | |
8981 | phba->sli4_hba.nvmet_mrq_hdr[qidx], | |
8982 | phba->sli4_hba.nvmet_mrq_data[qidx]); | |
8983 | } | |
8984 | ||
8985 | /* Unset NVMET CQ Set complete queue */ | |
8986 | if (phba->sli4_hba.nvmet_cqset) { | |
8987 | for (qidx = 0; qidx < phba->cfg_nvmet_mrq; qidx++) | |
8988 | lpfc_cq_destroy(phba, | |
8989 | phba->sli4_hba.nvmet_cqset[qidx]); | |
8990 | } | |
8991 | ||
da0436e9 | 8992 | /* Unset FCP response complete queue */ |
895427bd JS |
8993 | if (phba->sli4_hba.fcp_cq) |
8994 | for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++) | |
8995 | lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[qidx]); | |
8996 | ||
da0436e9 | 8997 | /* Unset fast-path event queue */ |
895427bd JS |
8998 | if (phba->sli4_hba.hba_eq) |
8999 | for (qidx = 0; qidx < phba->io_channel_irqs; qidx++) | |
9000 | lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[qidx]); | |
da0436e9 JS |
9001 | } |
9002 | ||
9003 | /** | |
9004 | * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool | |
9005 | * @phba: pointer to lpfc hba data structure. | |
9006 | * | |
9007 | * This routine is invoked to allocate and set up a pool of completion queue | |
9008 | * events. The body of the completion queue event is a completion queue entry | |
9009 | * CQE. For now, this pool is used for the interrupt service routine to queue | |
9010 | * the following HBA completion queue events for the worker thread to process: | |
9011 | * - Mailbox asynchronous events | |
9012 | * - Receive queue completion unsolicited events | |
9013 | * Later, this can be used for all the slow-path events. | |
9014 | * | |
9015 | * Return codes | |
af901ca1 | 9016 | * 0 - successful |
25985edc | 9017 | * -ENOMEM - No available memory |
da0436e9 JS |
9018 | **/ |
9019 | static int | |
9020 | lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba) | |
9021 | { | |
9022 | struct lpfc_cq_event *cq_event; | |
9023 | int i; | |
9024 | ||
9025 | for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) { | |
9026 | cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL); | |
9027 | if (!cq_event) | |
9028 | goto out_pool_create_fail; | |
9029 | list_add_tail(&cq_event->list, | |
9030 | &phba->sli4_hba.sp_cqe_event_pool); | |
9031 | } | |
9032 | return 0; | |
9033 | ||
9034 | out_pool_create_fail: | |
9035 | lpfc_sli4_cq_event_pool_destroy(phba); | |
9036 | return -ENOMEM; | |
9037 | } | |
9038 | ||
9039 | /** | |
9040 | * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool | |
9041 | * @phba: pointer to lpfc hba data structure. | |
9042 | * | |
9043 | * This routine is invoked to free the pool of completion queue events at | |
9044 | * driver unload time. Note that, it is the responsibility of the driver | |
9045 | * cleanup routine to free all the outstanding completion-queue events | |
9046 | * allocated from this pool back into the pool before invoking this routine | |
9047 | * to destroy the pool. | |
9048 | **/ | |
9049 | static void | |
9050 | lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba) | |
9051 | { | |
9052 | struct lpfc_cq_event *cq_event, *next_cq_event; | |
9053 | ||
9054 | list_for_each_entry_safe(cq_event, next_cq_event, | |
9055 | &phba->sli4_hba.sp_cqe_event_pool, list) { | |
9056 | list_del(&cq_event->list); | |
9057 | kfree(cq_event); | |
9058 | } | |
9059 | } | |
9060 | ||
9061 | /** | |
9062 | * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool | |
9063 | * @phba: pointer to lpfc hba data structure. | |
9064 | * | |
9065 | * This routine is the lock free version of the API invoked to allocate a | |
9066 | * completion-queue event from the free pool. | |
9067 | * | |
9068 | * Return: Pointer to the newly allocated completion-queue event if successful | |
9069 | * NULL otherwise. | |
9070 | **/ | |
9071 | struct lpfc_cq_event * | |
9072 | __lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba) | |
9073 | { | |
9074 | struct lpfc_cq_event *cq_event = NULL; | |
9075 | ||
9076 | list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event, | |
9077 | struct lpfc_cq_event, list); | |
9078 | return cq_event; | |
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 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; | |
9095 | unsigned long iflags; | |
9096 | ||
9097 | spin_lock_irqsave(&phba->hbalock, iflags); | |
9098 | cq_event = __lpfc_sli4_cq_event_alloc(phba); | |
9099 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
9100 | return cq_event; | |
9101 | } | |
9102 | ||
9103 | /** | |
9104 | * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool | |
9105 | * @phba: pointer to lpfc hba data structure. | |
9106 | * @cq_event: pointer to the completion queue event to be freed. | |
9107 | * | |
9108 | * This routine is the lock free version of the API invoked to release a | |
9109 | * completion-queue event back into the free pool. | |
9110 | **/ | |
9111 | void | |
9112 | __lpfc_sli4_cq_event_release(struct lpfc_hba *phba, | |
9113 | struct lpfc_cq_event *cq_event) | |
9114 | { | |
9115 | list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool); | |
9116 | } | |
9117 | ||
9118 | /** | |
9119 | * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool | |
9120 | * @phba: pointer to lpfc hba data structure. | |
9121 | * @cq_event: pointer to the completion queue event to be freed. | |
9122 | * | |
9123 | * This routine is the lock version of the API invoked to release a | |
9124 | * completion-queue event back into the free pool. | |
9125 | **/ | |
9126 | void | |
9127 | lpfc_sli4_cq_event_release(struct lpfc_hba *phba, | |
9128 | struct lpfc_cq_event *cq_event) | |
9129 | { | |
9130 | unsigned long iflags; | |
9131 | spin_lock_irqsave(&phba->hbalock, iflags); | |
9132 | __lpfc_sli4_cq_event_release(phba, cq_event); | |
9133 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
9134 | } | |
9135 | ||
9136 | /** | |
9137 | * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool | |
9138 | * @phba: pointer to lpfc hba data structure. | |
9139 | * | |
9140 | * This routine is to free all the pending completion-queue events to the | |
9141 | * back into the free pool for device reset. | |
9142 | **/ | |
9143 | static void | |
9144 | lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba) | |
9145 | { | |
9146 | LIST_HEAD(cqelist); | |
9147 | struct lpfc_cq_event *cqe; | |
9148 | unsigned long iflags; | |
9149 | ||
9150 | /* Retrieve all the pending WCQEs from pending WCQE lists */ | |
9151 | spin_lock_irqsave(&phba->hbalock, iflags); | |
9152 | /* Pending FCP XRI abort events */ | |
9153 | list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue, | |
9154 | &cqelist); | |
9155 | /* Pending ELS XRI abort events */ | |
9156 | list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue, | |
9157 | &cqelist); | |
318083ad JS |
9158 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { |
9159 | /* Pending NVME XRI abort events */ | |
9160 | list_splice_init(&phba->sli4_hba.sp_nvme_xri_aborted_work_queue, | |
9161 | &cqelist); | |
9162 | } | |
da0436e9 JS |
9163 | /* Pending asynnc events */ |
9164 | list_splice_init(&phba->sli4_hba.sp_asynce_work_queue, | |
9165 | &cqelist); | |
9166 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
9167 | ||
9168 | while (!list_empty(&cqelist)) { | |
9169 | list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list); | |
9170 | lpfc_sli4_cq_event_release(phba, cqe); | |
9171 | } | |
9172 | } | |
9173 | ||
9174 | /** | |
9175 | * lpfc_pci_function_reset - Reset pci function. | |
9176 | * @phba: pointer to lpfc hba data structure. | |
9177 | * | |
9178 | * This routine is invoked to request a PCI function reset. It will destroys | |
9179 | * all resources assigned to the PCI function which originates this request. | |
9180 | * | |
9181 | * Return codes | |
af901ca1 | 9182 | * 0 - successful |
25985edc | 9183 | * -ENOMEM - No available memory |
d439d286 | 9184 | * -EIO - The mailbox failed to complete successfully. |
da0436e9 JS |
9185 | **/ |
9186 | int | |
9187 | lpfc_pci_function_reset(struct lpfc_hba *phba) | |
9188 | { | |
9189 | LPFC_MBOXQ_t *mboxq; | |
2fcee4bf | 9190 | uint32_t rc = 0, if_type; |
da0436e9 | 9191 | uint32_t shdr_status, shdr_add_status; |
2f6fa2c9 JS |
9192 | uint32_t rdy_chk; |
9193 | uint32_t port_reset = 0; | |
da0436e9 | 9194 | union lpfc_sli4_cfg_shdr *shdr; |
2fcee4bf | 9195 | struct lpfc_register reg_data; |
2b81f942 | 9196 | uint16_t devid; |
da0436e9 | 9197 | |
2fcee4bf JS |
9198 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
9199 | switch (if_type) { | |
9200 | case LPFC_SLI_INTF_IF_TYPE_0: | |
9201 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, | |
9202 | GFP_KERNEL); | |
9203 | if (!mboxq) { | |
9204 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9205 | "0494 Unable to allocate memory for " | |
9206 | "issuing SLI_FUNCTION_RESET mailbox " | |
9207 | "command\n"); | |
9208 | return -ENOMEM; | |
9209 | } | |
da0436e9 | 9210 | |
2fcee4bf JS |
9211 | /* Setup PCI function reset mailbox-ioctl command */ |
9212 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
9213 | LPFC_MBOX_OPCODE_FUNCTION_RESET, 0, | |
9214 | LPFC_SLI4_MBX_EMBED); | |
9215 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
9216 | shdr = (union lpfc_sli4_cfg_shdr *) | |
9217 | &mboxq->u.mqe.un.sli4_config.header.cfg_shdr; | |
9218 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
9219 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
9220 | &shdr->response); | |
9221 | if (rc != MBX_TIMEOUT) | |
9222 | mempool_free(mboxq, phba->mbox_mem_pool); | |
9223 | if (shdr_status || shdr_add_status || rc) { | |
9224 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9225 | "0495 SLI_FUNCTION_RESET mailbox " | |
9226 | "failed with status x%x add_status x%x," | |
9227 | " mbx status x%x\n", | |
9228 | shdr_status, shdr_add_status, rc); | |
9229 | rc = -ENXIO; | |
9230 | } | |
9231 | break; | |
9232 | case LPFC_SLI_INTF_IF_TYPE_2: | |
2f6fa2c9 JS |
9233 | wait: |
9234 | /* | |
9235 | * Poll the Port Status Register and wait for RDY for | |
9236 | * up to 30 seconds. If the port doesn't respond, treat | |
9237 | * it as an error. | |
9238 | */ | |
77d093fb | 9239 | for (rdy_chk = 0; rdy_chk < 1500; rdy_chk++) { |
2f6fa2c9 JS |
9240 | if (lpfc_readl(phba->sli4_hba.u.if_type2. |
9241 | STATUSregaddr, ®_data.word0)) { | |
9242 | rc = -ENODEV; | |
9243 | goto out; | |
9244 | } | |
9245 | if (bf_get(lpfc_sliport_status_rdy, ®_data)) | |
9246 | break; | |
9247 | msleep(20); | |
9248 | } | |
9249 | ||
9250 | if (!bf_get(lpfc_sliport_status_rdy, ®_data)) { | |
9251 | phba->work_status[0] = readl( | |
9252 | phba->sli4_hba.u.if_type2.ERR1regaddr); | |
9253 | phba->work_status[1] = readl( | |
9254 | phba->sli4_hba.u.if_type2.ERR2regaddr); | |
9255 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9256 | "2890 Port not ready, port status reg " | |
9257 | "0x%x error 1=0x%x, error 2=0x%x\n", | |
9258 | reg_data.word0, | |
9259 | phba->work_status[0], | |
9260 | phba->work_status[1]); | |
9261 | rc = -ENODEV; | |
9262 | goto out; | |
9263 | } | |
9264 | ||
9265 | if (!port_reset) { | |
9266 | /* | |
9267 | * Reset the port now | |
9268 | */ | |
2fcee4bf JS |
9269 | reg_data.word0 = 0; |
9270 | bf_set(lpfc_sliport_ctrl_end, ®_data, | |
9271 | LPFC_SLIPORT_LITTLE_ENDIAN); | |
9272 | bf_set(lpfc_sliport_ctrl_ip, ®_data, | |
9273 | LPFC_SLIPORT_INIT_PORT); | |
9274 | writel(reg_data.word0, phba->sli4_hba.u.if_type2. | |
9275 | CTRLregaddr); | |
8fcb8acd | 9276 | /* flush */ |
2b81f942 JS |
9277 | pci_read_config_word(phba->pcidev, |
9278 | PCI_DEVICE_ID, &devid); | |
2fcee4bf | 9279 | |
2f6fa2c9 JS |
9280 | port_reset = 1; |
9281 | msleep(20); | |
9282 | goto wait; | |
9283 | } else if (bf_get(lpfc_sliport_status_rn, ®_data)) { | |
9284 | rc = -ENODEV; | |
9285 | goto out; | |
2fcee4bf JS |
9286 | } |
9287 | break; | |
2f6fa2c9 | 9288 | |
2fcee4bf JS |
9289 | case LPFC_SLI_INTF_IF_TYPE_1: |
9290 | default: | |
9291 | break; | |
da0436e9 | 9292 | } |
2fcee4bf | 9293 | |
73d91e50 | 9294 | out: |
2fcee4bf | 9295 | /* Catch the not-ready port failure after a port reset. */ |
2f6fa2c9 | 9296 | if (rc) { |
229adb0e JS |
9297 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
9298 | "3317 HBA not functional: IP Reset Failed " | |
2f6fa2c9 | 9299 | "try: echo fw_reset > board_mode\n"); |
2fcee4bf | 9300 | rc = -ENODEV; |
229adb0e | 9301 | } |
2fcee4bf | 9302 | |
da0436e9 JS |
9303 | return rc; |
9304 | } | |
9305 | ||
da0436e9 JS |
9306 | /** |
9307 | * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space. | |
9308 | * @phba: pointer to lpfc hba data structure. | |
9309 | * | |
9310 | * This routine is invoked to set up the PCI device memory space for device | |
9311 | * with SLI-4 interface spec. | |
9312 | * | |
9313 | * Return codes | |
af901ca1 | 9314 | * 0 - successful |
da0436e9 JS |
9315 | * other values - error |
9316 | **/ | |
9317 | static int | |
9318 | lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) | |
9319 | { | |
9320 | struct pci_dev *pdev; | |
9321 | unsigned long bar0map_len, bar1map_len, bar2map_len; | |
9322 | int error = -ENODEV; | |
2fcee4bf | 9323 | uint32_t if_type; |
da0436e9 JS |
9324 | |
9325 | /* Obtain PCI device reference */ | |
9326 | if (!phba->pcidev) | |
9327 | return error; | |
9328 | else | |
9329 | pdev = phba->pcidev; | |
9330 | ||
9331 | /* Set the device DMA mask size */ | |
8e68597d MR |
9332 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0 |
9333 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) { | |
9334 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0 | |
9335 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) { | |
da0436e9 | 9336 | return error; |
8e68597d MR |
9337 | } |
9338 | } | |
da0436e9 | 9339 | |
2fcee4bf JS |
9340 | /* |
9341 | * The BARs and register set definitions and offset locations are | |
9342 | * dependent on the if_type. | |
9343 | */ | |
9344 | if (pci_read_config_dword(pdev, LPFC_SLI_INTF, | |
9345 | &phba->sli4_hba.sli_intf.word0)) { | |
9346 | return error; | |
9347 | } | |
9348 | ||
9349 | /* There is no SLI3 failback for SLI4 devices. */ | |
9350 | if (bf_get(lpfc_sli_intf_valid, &phba->sli4_hba.sli_intf) != | |
9351 | LPFC_SLI_INTF_VALID) { | |
9352 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9353 | "2894 SLI_INTF reg contents invalid " | |
9354 | "sli_intf reg 0x%x\n", | |
9355 | phba->sli4_hba.sli_intf.word0); | |
9356 | return error; | |
9357 | } | |
9358 | ||
9359 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
9360 | /* | |
9361 | * Get the bus address of SLI4 device Bar regions and the | |
9362 | * number of bytes required by each mapping. The mapping of the | |
9363 | * particular PCI BARs regions is dependent on the type of | |
9364 | * SLI4 device. | |
da0436e9 | 9365 | */ |
f5ca6f2e JS |
9366 | if (pci_resource_start(pdev, PCI_64BIT_BAR0)) { |
9367 | phba->pci_bar0_map = pci_resource_start(pdev, PCI_64BIT_BAR0); | |
9368 | bar0map_len = pci_resource_len(pdev, PCI_64BIT_BAR0); | |
2fcee4bf JS |
9369 | |
9370 | /* | |
9371 | * Map SLI4 PCI Config Space Register base to a kernel virtual | |
9372 | * addr | |
9373 | */ | |
9374 | phba->sli4_hba.conf_regs_memmap_p = | |
9375 | ioremap(phba->pci_bar0_map, bar0map_len); | |
9376 | if (!phba->sli4_hba.conf_regs_memmap_p) { | |
9377 | dev_printk(KERN_ERR, &pdev->dev, | |
9378 | "ioremap failed for SLI4 PCI config " | |
9379 | "registers.\n"); | |
9380 | goto out; | |
9381 | } | |
f5ca6f2e | 9382 | phba->pci_bar0_memmap_p = phba->sli4_hba.conf_regs_memmap_p; |
2fcee4bf JS |
9383 | /* Set up BAR0 PCI config space register memory map */ |
9384 | lpfc_sli4_bar0_register_memmap(phba, if_type); | |
1dfb5a47 JS |
9385 | } else { |
9386 | phba->pci_bar0_map = pci_resource_start(pdev, 1); | |
9387 | bar0map_len = pci_resource_len(pdev, 1); | |
2fcee4bf JS |
9388 | if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { |
9389 | dev_printk(KERN_ERR, &pdev->dev, | |
9390 | "FATAL - No BAR0 mapping for SLI4, if_type 2\n"); | |
9391 | goto out; | |
9392 | } | |
9393 | phba->sli4_hba.conf_regs_memmap_p = | |
da0436e9 | 9394 | ioremap(phba->pci_bar0_map, bar0map_len); |
2fcee4bf JS |
9395 | if (!phba->sli4_hba.conf_regs_memmap_p) { |
9396 | dev_printk(KERN_ERR, &pdev->dev, | |
9397 | "ioremap failed for SLI4 PCI config " | |
9398 | "registers.\n"); | |
9399 | goto out; | |
9400 | } | |
9401 | lpfc_sli4_bar0_register_memmap(phba, if_type); | |
da0436e9 JS |
9402 | } |
9403 | ||
c31098ce | 9404 | if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) && |
f5ca6f2e | 9405 | (pci_resource_start(pdev, PCI_64BIT_BAR2))) { |
2fcee4bf JS |
9406 | /* |
9407 | * Map SLI4 if type 0 HBA Control Register base to a kernel | |
9408 | * virtual address and setup the registers. | |
9409 | */ | |
f5ca6f2e JS |
9410 | phba->pci_bar1_map = pci_resource_start(pdev, PCI_64BIT_BAR2); |
9411 | bar1map_len = pci_resource_len(pdev, PCI_64BIT_BAR2); | |
2fcee4bf | 9412 | phba->sli4_hba.ctrl_regs_memmap_p = |
da0436e9 | 9413 | ioremap(phba->pci_bar1_map, bar1map_len); |
2fcee4bf JS |
9414 | if (!phba->sli4_hba.ctrl_regs_memmap_p) { |
9415 | dev_printk(KERN_ERR, &pdev->dev, | |
da0436e9 | 9416 | "ioremap failed for SLI4 HBA control registers.\n"); |
2fcee4bf JS |
9417 | goto out_iounmap_conf; |
9418 | } | |
f5ca6f2e | 9419 | phba->pci_bar2_memmap_p = phba->sli4_hba.ctrl_regs_memmap_p; |
2fcee4bf | 9420 | lpfc_sli4_bar1_register_memmap(phba); |
da0436e9 JS |
9421 | } |
9422 | ||
c31098ce | 9423 | if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) && |
f5ca6f2e | 9424 | (pci_resource_start(pdev, PCI_64BIT_BAR4))) { |
2fcee4bf JS |
9425 | /* |
9426 | * Map SLI4 if type 0 HBA Doorbell Register base to a kernel | |
9427 | * virtual address and setup the registers. | |
9428 | */ | |
f5ca6f2e JS |
9429 | phba->pci_bar2_map = pci_resource_start(pdev, PCI_64BIT_BAR4); |
9430 | bar2map_len = pci_resource_len(pdev, PCI_64BIT_BAR4); | |
2fcee4bf | 9431 | phba->sli4_hba.drbl_regs_memmap_p = |
da0436e9 | 9432 | ioremap(phba->pci_bar2_map, bar2map_len); |
2fcee4bf JS |
9433 | if (!phba->sli4_hba.drbl_regs_memmap_p) { |
9434 | dev_printk(KERN_ERR, &pdev->dev, | |
da0436e9 | 9435 | "ioremap failed for SLI4 HBA doorbell registers.\n"); |
2fcee4bf JS |
9436 | goto out_iounmap_ctrl; |
9437 | } | |
f5ca6f2e | 9438 | phba->pci_bar4_memmap_p = phba->sli4_hba.drbl_regs_memmap_p; |
2fcee4bf JS |
9439 | error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0); |
9440 | if (error) | |
9441 | goto out_iounmap_all; | |
da0436e9 JS |
9442 | } |
9443 | ||
da0436e9 JS |
9444 | return 0; |
9445 | ||
9446 | out_iounmap_all: | |
9447 | iounmap(phba->sli4_hba.drbl_regs_memmap_p); | |
9448 | out_iounmap_ctrl: | |
9449 | iounmap(phba->sli4_hba.ctrl_regs_memmap_p); | |
9450 | out_iounmap_conf: | |
9451 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
9452 | out: | |
9453 | return error; | |
9454 | } | |
9455 | ||
9456 | /** | |
9457 | * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space. | |
9458 | * @phba: pointer to lpfc hba data structure. | |
9459 | * | |
9460 | * This routine is invoked to unset the PCI device memory space for device | |
9461 | * with SLI-4 interface spec. | |
9462 | **/ | |
9463 | static void | |
9464 | lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba) | |
9465 | { | |
2e90f4b5 JS |
9466 | uint32_t if_type; |
9467 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
da0436e9 | 9468 | |
2e90f4b5 JS |
9469 | switch (if_type) { |
9470 | case LPFC_SLI_INTF_IF_TYPE_0: | |
9471 | iounmap(phba->sli4_hba.drbl_regs_memmap_p); | |
9472 | iounmap(phba->sli4_hba.ctrl_regs_memmap_p); | |
9473 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
9474 | break; | |
9475 | case LPFC_SLI_INTF_IF_TYPE_2: | |
9476 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
9477 | break; | |
9478 | case LPFC_SLI_INTF_IF_TYPE_1: | |
9479 | default: | |
9480 | dev_printk(KERN_ERR, &phba->pcidev->dev, | |
9481 | "FATAL - unsupported SLI4 interface type - %d\n", | |
9482 | if_type); | |
9483 | break; | |
9484 | } | |
da0436e9 JS |
9485 | } |
9486 | ||
9487 | /** | |
9488 | * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device | |
9489 | * @phba: pointer to lpfc hba data structure. | |
9490 | * | |
9491 | * This routine is invoked to enable the MSI-X interrupt vectors to device | |
45ffac19 | 9492 | * with SLI-3 interface specs. |
da0436e9 JS |
9493 | * |
9494 | * Return codes | |
af901ca1 | 9495 | * 0 - successful |
da0436e9 JS |
9496 | * other values - error |
9497 | **/ | |
9498 | static int | |
9499 | lpfc_sli_enable_msix(struct lpfc_hba *phba) | |
9500 | { | |
45ffac19 | 9501 | int rc; |
da0436e9 JS |
9502 | LPFC_MBOXQ_t *pmb; |
9503 | ||
9504 | /* Set up MSI-X multi-message vectors */ | |
45ffac19 CH |
9505 | rc = pci_alloc_irq_vectors(phba->pcidev, |
9506 | LPFC_MSIX_VECTORS, LPFC_MSIX_VECTORS, PCI_IRQ_MSIX); | |
9507 | if (rc < 0) { | |
da0436e9 JS |
9508 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
9509 | "0420 PCI enable MSI-X failed (%d)\n", rc); | |
029165ac | 9510 | goto vec_fail_out; |
da0436e9 | 9511 | } |
45ffac19 | 9512 | |
da0436e9 JS |
9513 | /* |
9514 | * Assign MSI-X vectors to interrupt handlers | |
9515 | */ | |
9516 | ||
9517 | /* vector-0 is associated to slow-path handler */ | |
45ffac19 | 9518 | rc = request_irq(pci_irq_vector(phba->pcidev, 0), |
ed243d37 | 9519 | &lpfc_sli_sp_intr_handler, 0, |
da0436e9 JS |
9520 | LPFC_SP_DRIVER_HANDLER_NAME, phba); |
9521 | if (rc) { | |
9522 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
9523 | "0421 MSI-X slow-path request_irq failed " | |
9524 | "(%d)\n", rc); | |
9525 | goto msi_fail_out; | |
9526 | } | |
9527 | ||
9528 | /* vector-1 is associated to fast-path handler */ | |
45ffac19 | 9529 | rc = request_irq(pci_irq_vector(phba->pcidev, 1), |
ed243d37 | 9530 | &lpfc_sli_fp_intr_handler, 0, |
da0436e9 JS |
9531 | LPFC_FP_DRIVER_HANDLER_NAME, phba); |
9532 | ||
9533 | if (rc) { | |
9534 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
9535 | "0429 MSI-X fast-path request_irq failed " | |
9536 | "(%d)\n", rc); | |
9537 | goto irq_fail_out; | |
9538 | } | |
9539 | ||
9540 | /* | |
9541 | * Configure HBA MSI-X attention conditions to messages | |
9542 | */ | |
9543 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
9544 | ||
9545 | if (!pmb) { | |
9546 | rc = -ENOMEM; | |
9547 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9548 | "0474 Unable to allocate memory for issuing " | |
9549 | "MBOX_CONFIG_MSI command\n"); | |
9550 | goto mem_fail_out; | |
9551 | } | |
9552 | rc = lpfc_config_msi(phba, pmb); | |
9553 | if (rc) | |
9554 | goto mbx_fail_out; | |
9555 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
9556 | if (rc != MBX_SUCCESS) { | |
9557 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, | |
9558 | "0351 Config MSI mailbox command failed, " | |
9559 | "mbxCmd x%x, mbxStatus x%x\n", | |
9560 | pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus); | |
9561 | goto mbx_fail_out; | |
9562 | } | |
9563 | ||
9564 | /* Free memory allocated for mailbox command */ | |
9565 | mempool_free(pmb, phba->mbox_mem_pool); | |
9566 | return rc; | |
9567 | ||
9568 | mbx_fail_out: | |
9569 | /* Free memory allocated for mailbox command */ | |
9570 | mempool_free(pmb, phba->mbox_mem_pool); | |
9571 | ||
9572 | mem_fail_out: | |
9573 | /* free the irq already requested */ | |
45ffac19 | 9574 | free_irq(pci_irq_vector(phba->pcidev, 1), phba); |
da0436e9 JS |
9575 | |
9576 | irq_fail_out: | |
9577 | /* free the irq already requested */ | |
45ffac19 | 9578 | free_irq(pci_irq_vector(phba->pcidev, 0), phba); |
da0436e9 JS |
9579 | |
9580 | msi_fail_out: | |
9581 | /* Unconfigure MSI-X capability structure */ | |
45ffac19 | 9582 | pci_free_irq_vectors(phba->pcidev); |
029165ac AG |
9583 | |
9584 | vec_fail_out: | |
da0436e9 JS |
9585 | return rc; |
9586 | } | |
9587 | ||
da0436e9 JS |
9588 | /** |
9589 | * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device. | |
9590 | * @phba: pointer to lpfc hba data structure. | |
9591 | * | |
9592 | * This routine is invoked to enable the MSI interrupt mode to device with | |
9593 | * SLI-3 interface spec. The kernel function pci_enable_msi() is called to | |
9594 | * enable the MSI vector. The device driver is responsible for calling the | |
9595 | * request_irq() to register MSI vector with a interrupt the handler, which | |
9596 | * is done in this function. | |
9597 | * | |
9598 | * Return codes | |
af901ca1 | 9599 | * 0 - successful |
da0436e9 JS |
9600 | * other values - error |
9601 | */ | |
9602 | static int | |
9603 | lpfc_sli_enable_msi(struct lpfc_hba *phba) | |
9604 | { | |
9605 | int rc; | |
9606 | ||
9607 | rc = pci_enable_msi(phba->pcidev); | |
9608 | if (!rc) | |
9609 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
9610 | "0462 PCI enable MSI mode success.\n"); | |
9611 | else { | |
9612 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
9613 | "0471 PCI enable MSI mode failed (%d)\n", rc); | |
9614 | return rc; | |
9615 | } | |
9616 | ||
9617 | rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler, | |
ed243d37 | 9618 | 0, LPFC_DRIVER_NAME, phba); |
da0436e9 JS |
9619 | if (rc) { |
9620 | pci_disable_msi(phba->pcidev); | |
9621 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
9622 | "0478 MSI request_irq failed (%d)\n", rc); | |
9623 | } | |
9624 | return rc; | |
9625 | } | |
9626 | ||
da0436e9 JS |
9627 | /** |
9628 | * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device. | |
9629 | * @phba: pointer to lpfc hba data structure. | |
9630 | * | |
9631 | * This routine is invoked to enable device interrupt and associate driver's | |
9632 | * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface | |
9633 | * spec. Depends on the interrupt mode configured to the driver, the driver | |
9634 | * will try to fallback from the configured interrupt mode to an interrupt | |
9635 | * mode which is supported by the platform, kernel, and device in the order | |
9636 | * of: | |
9637 | * MSI-X -> MSI -> IRQ. | |
9638 | * | |
9639 | * Return codes | |
af901ca1 | 9640 | * 0 - successful |
da0436e9 JS |
9641 | * other values - error |
9642 | **/ | |
9643 | static uint32_t | |
9644 | lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) | |
9645 | { | |
9646 | uint32_t intr_mode = LPFC_INTR_ERROR; | |
9647 | int retval; | |
9648 | ||
9649 | if (cfg_mode == 2) { | |
9650 | /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */ | |
9651 | retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3); | |
9652 | if (!retval) { | |
9653 | /* Now, try to enable MSI-X interrupt mode */ | |
9654 | retval = lpfc_sli_enable_msix(phba); | |
9655 | if (!retval) { | |
9656 | /* Indicate initialization to MSI-X mode */ | |
9657 | phba->intr_type = MSIX; | |
9658 | intr_mode = 2; | |
9659 | } | |
9660 | } | |
9661 | } | |
9662 | ||
9663 | /* Fallback to MSI if MSI-X initialization failed */ | |
9664 | if (cfg_mode >= 1 && phba->intr_type == NONE) { | |
9665 | retval = lpfc_sli_enable_msi(phba); | |
9666 | if (!retval) { | |
9667 | /* Indicate initialization to MSI mode */ | |
9668 | phba->intr_type = MSI; | |
9669 | intr_mode = 1; | |
9670 | } | |
9671 | } | |
9672 | ||
9673 | /* Fallback to INTx if both MSI-X/MSI initalization failed */ | |
9674 | if (phba->intr_type == NONE) { | |
9675 | retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler, | |
9676 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
9677 | if (!retval) { | |
9678 | /* Indicate initialization to INTx mode */ | |
9679 | phba->intr_type = INTx; | |
9680 | intr_mode = 0; | |
9681 | } | |
9682 | } | |
9683 | return intr_mode; | |
9684 | } | |
9685 | ||
9686 | /** | |
9687 | * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device. | |
9688 | * @phba: pointer to lpfc hba data structure. | |
9689 | * | |
9690 | * This routine is invoked to disable device interrupt and disassociate the | |
9691 | * driver's interrupt handler(s) from interrupt vector(s) to device with | |
9692 | * SLI-3 interface spec. Depending on the interrupt mode, the driver will | |
9693 | * release the interrupt vector(s) for the message signaled interrupt. | |
9694 | **/ | |
9695 | static void | |
9696 | lpfc_sli_disable_intr(struct lpfc_hba *phba) | |
9697 | { | |
45ffac19 CH |
9698 | int nr_irqs, i; |
9699 | ||
da0436e9 | 9700 | if (phba->intr_type == MSIX) |
45ffac19 CH |
9701 | nr_irqs = LPFC_MSIX_VECTORS; |
9702 | else | |
9703 | nr_irqs = 1; | |
9704 | ||
9705 | for (i = 0; i < nr_irqs; i++) | |
9706 | free_irq(pci_irq_vector(phba->pcidev, i), phba); | |
9707 | pci_free_irq_vectors(phba->pcidev); | |
da0436e9 JS |
9708 | |
9709 | /* Reset interrupt management states */ | |
9710 | phba->intr_type = NONE; | |
9711 | phba->sli.slistat.sli_intr = 0; | |
da0436e9 JS |
9712 | } |
9713 | ||
7bb03bbf | 9714 | /** |
895427bd | 9715 | * lpfc_cpu_affinity_check - Check vector CPU affinity mappings |
7bb03bbf | 9716 | * @phba: pointer to lpfc hba data structure. |
895427bd JS |
9717 | * @vectors: number of msix vectors allocated. |
9718 | * | |
9719 | * The routine will figure out the CPU affinity assignment for every | |
9720 | * MSI-X vector allocated for the HBA. The hba_eq_hdl will be updated | |
9721 | * with a pointer to the CPU mask that defines ALL the CPUs this vector | |
9722 | * can be associated with. If the vector can be unquely associated with | |
9723 | * a single CPU, that CPU will be recorded in hba_eq_hdl[index].cpu. | |
9724 | * In addition, the CPU to IO channel mapping will be calculated | |
9725 | * and the phba->sli4_hba.cpu_map array will reflect this. | |
7bb03bbf | 9726 | */ |
895427bd JS |
9727 | static void |
9728 | lpfc_cpu_affinity_check(struct lpfc_hba *phba, int vectors) | |
7bb03bbf JS |
9729 | { |
9730 | struct lpfc_vector_map_info *cpup; | |
895427bd JS |
9731 | int index = 0; |
9732 | int vec = 0; | |
7bb03bbf | 9733 | int cpu; |
7bb03bbf JS |
9734 | #ifdef CONFIG_X86 |
9735 | struct cpuinfo_x86 *cpuinfo; | |
9736 | #endif | |
7bb03bbf JS |
9737 | |
9738 | /* Init cpu_map array */ | |
9739 | memset(phba->sli4_hba.cpu_map, 0xff, | |
9740 | (sizeof(struct lpfc_vector_map_info) * | |
895427bd | 9741 | phba->sli4_hba.num_present_cpu)); |
7bb03bbf JS |
9742 | |
9743 | /* Update CPU map with physical id and core id of each CPU */ | |
9744 | cpup = phba->sli4_hba.cpu_map; | |
9745 | for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) { | |
9746 | #ifdef CONFIG_X86 | |
9747 | cpuinfo = &cpu_data(cpu); | |
9748 | cpup->phys_id = cpuinfo->phys_proc_id; | |
9749 | cpup->core_id = cpuinfo->cpu_core_id; | |
9750 | #else | |
9751 | /* No distinction between CPUs for other platforms */ | |
9752 | cpup->phys_id = 0; | |
9753 | cpup->core_id = 0; | |
9754 | #endif | |
895427bd JS |
9755 | cpup->channel_id = index; /* For now round robin */ |
9756 | cpup->irq = pci_irq_vector(phba->pcidev, vec); | |
9757 | vec++; | |
9758 | if (vec >= vectors) | |
9759 | vec = 0; | |
9760 | index++; | |
9761 | if (index >= phba->cfg_fcp_io_channel) | |
9762 | index = 0; | |
7bb03bbf JS |
9763 | cpup++; |
9764 | } | |
7bb03bbf JS |
9765 | } |
9766 | ||
9767 | ||
da0436e9 JS |
9768 | /** |
9769 | * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device | |
9770 | * @phba: pointer to lpfc hba data structure. | |
9771 | * | |
9772 | * This routine is invoked to enable the MSI-X interrupt vectors to device | |
45ffac19 | 9773 | * with SLI-4 interface spec. |
da0436e9 JS |
9774 | * |
9775 | * Return codes | |
af901ca1 | 9776 | * 0 - successful |
da0436e9 JS |
9777 | * other values - error |
9778 | **/ | |
9779 | static int | |
9780 | lpfc_sli4_enable_msix(struct lpfc_hba *phba) | |
9781 | { | |
75baf696 | 9782 | int vectors, rc, index; |
b83d005e | 9783 | char *name; |
da0436e9 JS |
9784 | |
9785 | /* Set up MSI-X multi-message vectors */ | |
895427bd | 9786 | vectors = phba->io_channel_irqs; |
45ffac19 | 9787 | if (phba->cfg_fof) |
1ba981fd | 9788 | vectors++; |
45ffac19 | 9789 | |
f358dd0c JS |
9790 | rc = pci_alloc_irq_vectors(phba->pcidev, |
9791 | (phba->nvmet_support) ? 1 : 2, | |
9792 | vectors, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY); | |
4f871e1b | 9793 | if (rc < 0) { |
da0436e9 JS |
9794 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
9795 | "0484 PCI enable MSI-X failed (%d)\n", rc); | |
029165ac | 9796 | goto vec_fail_out; |
da0436e9 | 9797 | } |
4f871e1b | 9798 | vectors = rc; |
75baf696 | 9799 | |
7bb03bbf | 9800 | /* Assign MSI-X vectors to interrupt handlers */ |
67d12733 | 9801 | for (index = 0; index < vectors; index++) { |
b83d005e JS |
9802 | name = phba->sli4_hba.hba_eq_hdl[index].handler_name; |
9803 | memset(name, 0, LPFC_SLI4_HANDLER_NAME_SZ); | |
9804 | snprintf(name, LPFC_SLI4_HANDLER_NAME_SZ, | |
4305f183 | 9805 | LPFC_DRIVER_HANDLER_NAME"%d", index); |
da0436e9 | 9806 | |
895427bd JS |
9807 | phba->sli4_hba.hba_eq_hdl[index].idx = index; |
9808 | phba->sli4_hba.hba_eq_hdl[index].phba = phba; | |
9809 | atomic_set(&phba->sli4_hba.hba_eq_hdl[index].hba_eq_in_use, 1); | |
1ba981fd | 9810 | if (phba->cfg_fof && (index == (vectors - 1))) |
45ffac19 | 9811 | rc = request_irq(pci_irq_vector(phba->pcidev, index), |
ed243d37 | 9812 | &lpfc_sli4_fof_intr_handler, 0, |
b83d005e | 9813 | name, |
895427bd | 9814 | &phba->sli4_hba.hba_eq_hdl[index]); |
1ba981fd | 9815 | else |
45ffac19 | 9816 | rc = request_irq(pci_irq_vector(phba->pcidev, index), |
ed243d37 | 9817 | &lpfc_sli4_hba_intr_handler, 0, |
b83d005e | 9818 | name, |
895427bd | 9819 | &phba->sli4_hba.hba_eq_hdl[index]); |
da0436e9 JS |
9820 | if (rc) { |
9821 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
9822 | "0486 MSI-X fast-path (%d) " | |
9823 | "request_irq failed (%d)\n", index, rc); | |
9824 | goto cfg_fail_out; | |
9825 | } | |
9826 | } | |
9827 | ||
1ba981fd JS |
9828 | if (phba->cfg_fof) |
9829 | vectors--; | |
9830 | ||
895427bd | 9831 | if (vectors != phba->io_channel_irqs) { |
82c3e9ba JS |
9832 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
9833 | "3238 Reducing IO channels to match number of " | |
9834 | "MSI-X vectors, requested %d got %d\n", | |
895427bd JS |
9835 | phba->io_channel_irqs, vectors); |
9836 | if (phba->cfg_fcp_io_channel > vectors) | |
9837 | phba->cfg_fcp_io_channel = vectors; | |
9838 | if (phba->cfg_nvme_io_channel > vectors) | |
9839 | phba->cfg_nvme_io_channel = vectors; | |
9840 | if (phba->cfg_fcp_io_channel > phba->cfg_nvme_io_channel) | |
9841 | phba->io_channel_irqs = phba->cfg_fcp_io_channel; | |
9842 | else | |
9843 | phba->io_channel_irqs = phba->cfg_nvme_io_channel; | |
82c3e9ba | 9844 | } |
895427bd | 9845 | lpfc_cpu_affinity_check(phba, vectors); |
7bb03bbf | 9846 | |
da0436e9 JS |
9847 | return rc; |
9848 | ||
9849 | cfg_fail_out: | |
9850 | /* free the irq already requested */ | |
895427bd JS |
9851 | for (--index; index >= 0; index--) |
9852 | free_irq(pci_irq_vector(phba->pcidev, index), | |
9853 | &phba->sli4_hba.hba_eq_hdl[index]); | |
da0436e9 | 9854 | |
da0436e9 | 9855 | /* Unconfigure MSI-X capability structure */ |
45ffac19 | 9856 | pci_free_irq_vectors(phba->pcidev); |
029165ac AG |
9857 | |
9858 | vec_fail_out: | |
da0436e9 JS |
9859 | return rc; |
9860 | } | |
9861 | ||
da0436e9 JS |
9862 | /** |
9863 | * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device | |
9864 | * @phba: pointer to lpfc hba data structure. | |
9865 | * | |
9866 | * This routine is invoked to enable the MSI interrupt mode to device with | |
9867 | * SLI-4 interface spec. The kernel function pci_enable_msi() is called | |
9868 | * to enable the MSI vector. The device driver is responsible for calling | |
9869 | * the request_irq() to register MSI vector with a interrupt the handler, | |
9870 | * which is done in this function. | |
9871 | * | |
9872 | * Return codes | |
af901ca1 | 9873 | * 0 - successful |
da0436e9 JS |
9874 | * other values - error |
9875 | **/ | |
9876 | static int | |
9877 | lpfc_sli4_enable_msi(struct lpfc_hba *phba) | |
9878 | { | |
9879 | int rc, index; | |
9880 | ||
9881 | rc = pci_enable_msi(phba->pcidev); | |
9882 | if (!rc) | |
9883 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
9884 | "0487 PCI enable MSI mode success.\n"); | |
9885 | else { | |
9886 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
9887 | "0488 PCI enable MSI mode failed (%d)\n", rc); | |
9888 | return rc; | |
9889 | } | |
9890 | ||
9891 | rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler, | |
ed243d37 | 9892 | 0, LPFC_DRIVER_NAME, phba); |
da0436e9 JS |
9893 | if (rc) { |
9894 | pci_disable_msi(phba->pcidev); | |
9895 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
9896 | "0490 MSI request_irq failed (%d)\n", rc); | |
75baf696 | 9897 | return rc; |
da0436e9 JS |
9898 | } |
9899 | ||
895427bd JS |
9900 | for (index = 0; index < phba->io_channel_irqs; index++) { |
9901 | phba->sli4_hba.hba_eq_hdl[index].idx = index; | |
9902 | phba->sli4_hba.hba_eq_hdl[index].phba = phba; | |
da0436e9 JS |
9903 | } |
9904 | ||
1ba981fd | 9905 | if (phba->cfg_fof) { |
895427bd JS |
9906 | phba->sli4_hba.hba_eq_hdl[index].idx = index; |
9907 | phba->sli4_hba.hba_eq_hdl[index].phba = phba; | |
1ba981fd | 9908 | } |
75baf696 | 9909 | return 0; |
da0436e9 JS |
9910 | } |
9911 | ||
da0436e9 JS |
9912 | /** |
9913 | * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device | |
9914 | * @phba: pointer to lpfc hba data structure. | |
9915 | * | |
9916 | * This routine is invoked to enable device interrupt and associate driver's | |
9917 | * interrupt handler(s) to interrupt vector(s) to device with SLI-4 | |
9918 | * interface spec. Depends on the interrupt mode configured to the driver, | |
9919 | * the driver will try to fallback from the configured interrupt mode to an | |
9920 | * interrupt mode which is supported by the platform, kernel, and device in | |
9921 | * the order of: | |
9922 | * MSI-X -> MSI -> IRQ. | |
9923 | * | |
9924 | * Return codes | |
af901ca1 | 9925 | * 0 - successful |
da0436e9 JS |
9926 | * other values - error |
9927 | **/ | |
9928 | static uint32_t | |
9929 | lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) | |
9930 | { | |
9931 | uint32_t intr_mode = LPFC_INTR_ERROR; | |
895427bd | 9932 | int retval, idx; |
da0436e9 JS |
9933 | |
9934 | if (cfg_mode == 2) { | |
9935 | /* Preparation before conf_msi mbox cmd */ | |
9936 | retval = 0; | |
9937 | if (!retval) { | |
9938 | /* Now, try to enable MSI-X interrupt mode */ | |
9939 | retval = lpfc_sli4_enable_msix(phba); | |
9940 | if (!retval) { | |
9941 | /* Indicate initialization to MSI-X mode */ | |
9942 | phba->intr_type = MSIX; | |
9943 | intr_mode = 2; | |
9944 | } | |
9945 | } | |
9946 | } | |
9947 | ||
9948 | /* Fallback to MSI if MSI-X initialization failed */ | |
9949 | if (cfg_mode >= 1 && phba->intr_type == NONE) { | |
9950 | retval = lpfc_sli4_enable_msi(phba); | |
9951 | if (!retval) { | |
9952 | /* Indicate initialization to MSI mode */ | |
9953 | phba->intr_type = MSI; | |
9954 | intr_mode = 1; | |
9955 | } | |
9956 | } | |
9957 | ||
9958 | /* Fallback to INTx if both MSI-X/MSI initalization failed */ | |
9959 | if (phba->intr_type == NONE) { | |
9960 | retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler, | |
9961 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
9962 | if (!retval) { | |
895427bd JS |
9963 | struct lpfc_hba_eq_hdl *eqhdl; |
9964 | ||
da0436e9 JS |
9965 | /* Indicate initialization to INTx mode */ |
9966 | phba->intr_type = INTx; | |
9967 | intr_mode = 0; | |
895427bd JS |
9968 | |
9969 | for (idx = 0; idx < phba->io_channel_irqs; idx++) { | |
9970 | eqhdl = &phba->sli4_hba.hba_eq_hdl[idx]; | |
9971 | eqhdl->idx = idx; | |
9972 | eqhdl->phba = phba; | |
9973 | atomic_set(&eqhdl->hba_eq_in_use, 1); | |
da0436e9 | 9974 | } |
1ba981fd | 9975 | if (phba->cfg_fof) { |
895427bd JS |
9976 | eqhdl = &phba->sli4_hba.hba_eq_hdl[idx]; |
9977 | eqhdl->idx = idx; | |
9978 | eqhdl->phba = phba; | |
9979 | atomic_set(&eqhdl->hba_eq_in_use, 1); | |
1ba981fd | 9980 | } |
da0436e9 JS |
9981 | } |
9982 | } | |
9983 | return intr_mode; | |
9984 | } | |
9985 | ||
9986 | /** | |
9987 | * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device | |
9988 | * @phba: pointer to lpfc hba data structure. | |
9989 | * | |
9990 | * This routine is invoked to disable device interrupt and disassociate | |
9991 | * the driver's interrupt handler(s) from interrupt vector(s) to device | |
9992 | * with SLI-4 interface spec. Depending on the interrupt mode, the driver | |
9993 | * will release the interrupt vector(s) for the message signaled interrupt. | |
9994 | **/ | |
9995 | static void | |
9996 | lpfc_sli4_disable_intr(struct lpfc_hba *phba) | |
9997 | { | |
9998 | /* Disable the currently initialized interrupt mode */ | |
45ffac19 CH |
9999 | if (phba->intr_type == MSIX) { |
10000 | int index; | |
10001 | ||
10002 | /* Free up MSI-X multi-message vectors */ | |
895427bd JS |
10003 | for (index = 0; index < phba->io_channel_irqs; index++) |
10004 | free_irq(pci_irq_vector(phba->pcidev, index), | |
10005 | &phba->sli4_hba.hba_eq_hdl[index]); | |
45ffac19 CH |
10006 | |
10007 | if (phba->cfg_fof) | |
895427bd JS |
10008 | free_irq(pci_irq_vector(phba->pcidev, index), |
10009 | &phba->sli4_hba.hba_eq_hdl[index]); | |
45ffac19 | 10010 | } else { |
da0436e9 | 10011 | free_irq(phba->pcidev->irq, phba); |
45ffac19 CH |
10012 | } |
10013 | ||
10014 | pci_free_irq_vectors(phba->pcidev); | |
da0436e9 JS |
10015 | |
10016 | /* Reset interrupt management states */ | |
10017 | phba->intr_type = NONE; | |
10018 | phba->sli.slistat.sli_intr = 0; | |
da0436e9 JS |
10019 | } |
10020 | ||
10021 | /** | |
10022 | * lpfc_unset_hba - Unset SLI3 hba device initialization | |
10023 | * @phba: pointer to lpfc hba data structure. | |
10024 | * | |
10025 | * This routine is invoked to unset the HBA device initialization steps to | |
10026 | * a device with SLI-3 interface spec. | |
10027 | **/ | |
10028 | static void | |
10029 | lpfc_unset_hba(struct lpfc_hba *phba) | |
10030 | { | |
10031 | struct lpfc_vport *vport = phba->pport; | |
10032 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
10033 | ||
10034 | spin_lock_irq(shost->host_lock); | |
10035 | vport->load_flag |= FC_UNLOADING; | |
10036 | spin_unlock_irq(shost->host_lock); | |
10037 | ||
72859909 JS |
10038 | kfree(phba->vpi_bmask); |
10039 | kfree(phba->vpi_ids); | |
10040 | ||
da0436e9 JS |
10041 | lpfc_stop_hba_timers(phba); |
10042 | ||
10043 | phba->pport->work_port_events = 0; | |
10044 | ||
10045 | lpfc_sli_hba_down(phba); | |
10046 | ||
10047 | lpfc_sli_brdrestart(phba); | |
10048 | ||
10049 | lpfc_sli_disable_intr(phba); | |
10050 | ||
10051 | return; | |
10052 | } | |
10053 | ||
5af5eee7 JS |
10054 | /** |
10055 | * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy | |
10056 | * @phba: Pointer to HBA context object. | |
10057 | * | |
10058 | * This function is called in the SLI4 code path to wait for completion | |
10059 | * of device's XRIs exchange busy. It will check the XRI exchange busy | |
10060 | * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after | |
10061 | * that, it will check the XRI exchange busy on outstanding FCP and ELS | |
10062 | * I/Os every 30 seconds, log error message, and wait forever. Only when | |
10063 | * all XRI exchange busy complete, the driver unload shall proceed with | |
10064 | * invoking the function reset ioctl mailbox command to the CNA and the | |
10065 | * the rest of the driver unload resource release. | |
10066 | **/ | |
10067 | static void | |
10068 | lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba) | |
10069 | { | |
10070 | int wait_time = 0; | |
895427bd | 10071 | int nvme_xri_cmpl = 1; |
86c67379 | 10072 | int nvmet_xri_cmpl = 1; |
895427bd | 10073 | int fcp_xri_cmpl = 1; |
5af5eee7 JS |
10074 | int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list); |
10075 | ||
895427bd JS |
10076 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) |
10077 | fcp_xri_cmpl = | |
10078 | list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list); | |
86c67379 | 10079 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { |
895427bd JS |
10080 | nvme_xri_cmpl = |
10081 | list_empty(&phba->sli4_hba.lpfc_abts_nvme_buf_list); | |
86c67379 JS |
10082 | nvmet_xri_cmpl = |
10083 | list_empty(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list); | |
10084 | } | |
895427bd | 10085 | |
f358dd0c JS |
10086 | while (!fcp_xri_cmpl || !els_xri_cmpl || !nvme_xri_cmpl || |
10087 | !nvmet_xri_cmpl) { | |
5af5eee7 | 10088 | if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) { |
895427bd JS |
10089 | if (!nvme_xri_cmpl) |
10090 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10091 | "6100 NVME XRI exchange busy " | |
10092 | "wait time: %d seconds.\n", | |
10093 | wait_time/1000); | |
5af5eee7 JS |
10094 | if (!fcp_xri_cmpl) |
10095 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10096 | "2877 FCP XRI exchange busy " | |
10097 | "wait time: %d seconds.\n", | |
10098 | wait_time/1000); | |
10099 | if (!els_xri_cmpl) | |
10100 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10101 | "2878 ELS XRI exchange busy " | |
10102 | "wait time: %d seconds.\n", | |
10103 | wait_time/1000); | |
10104 | msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2); | |
10105 | wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2; | |
10106 | } else { | |
10107 | msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1); | |
10108 | wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1; | |
10109 | } | |
86c67379 | 10110 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { |
895427bd JS |
10111 | nvme_xri_cmpl = list_empty( |
10112 | &phba->sli4_hba.lpfc_abts_nvme_buf_list); | |
86c67379 JS |
10113 | nvmet_xri_cmpl = list_empty( |
10114 | &phba->sli4_hba.lpfc_abts_nvmet_ctx_list); | |
10115 | } | |
895427bd JS |
10116 | |
10117 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) | |
10118 | fcp_xri_cmpl = list_empty( | |
10119 | &phba->sli4_hba.lpfc_abts_scsi_buf_list); | |
10120 | ||
5af5eee7 JS |
10121 | els_xri_cmpl = |
10122 | list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list); | |
f358dd0c | 10123 | |
5af5eee7 JS |
10124 | } |
10125 | } | |
10126 | ||
da0436e9 JS |
10127 | /** |
10128 | * lpfc_sli4_hba_unset - Unset the fcoe hba | |
10129 | * @phba: Pointer to HBA context object. | |
10130 | * | |
10131 | * This function is called in the SLI4 code path to reset the HBA's FCoE | |
10132 | * function. The caller is not required to hold any lock. This routine | |
10133 | * issues PCI function reset mailbox command to reset the FCoE function. | |
10134 | * At the end of the function, it calls lpfc_hba_down_post function to | |
10135 | * free any pending commands. | |
10136 | **/ | |
10137 | static void | |
10138 | lpfc_sli4_hba_unset(struct lpfc_hba *phba) | |
10139 | { | |
10140 | int wait_cnt = 0; | |
10141 | LPFC_MBOXQ_t *mboxq; | |
912e3acd | 10142 | struct pci_dev *pdev = phba->pcidev; |
da0436e9 JS |
10143 | |
10144 | lpfc_stop_hba_timers(phba); | |
10145 | phba->sli4_hba.intr_enable = 0; | |
10146 | ||
10147 | /* | |
10148 | * Gracefully wait out the potential current outstanding asynchronous | |
10149 | * mailbox command. | |
10150 | */ | |
10151 | ||
10152 | /* First, block any pending async mailbox command from posted */ | |
10153 | spin_lock_irq(&phba->hbalock); | |
10154 | phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; | |
10155 | spin_unlock_irq(&phba->hbalock); | |
10156 | /* Now, trying to wait it out if we can */ | |
10157 | while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
10158 | msleep(10); | |
10159 | if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT) | |
10160 | break; | |
10161 | } | |
10162 | /* Forcefully release the outstanding mailbox command if timed out */ | |
10163 | if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
10164 | spin_lock_irq(&phba->hbalock); | |
10165 | mboxq = phba->sli.mbox_active; | |
10166 | mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED; | |
10167 | __lpfc_mbox_cmpl_put(phba, mboxq); | |
10168 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
10169 | phba->sli.mbox_active = NULL; | |
10170 | spin_unlock_irq(&phba->hbalock); | |
10171 | } | |
10172 | ||
5af5eee7 JS |
10173 | /* Abort all iocbs associated with the hba */ |
10174 | lpfc_sli_hba_iocb_abort(phba); | |
10175 | ||
10176 | /* Wait for completion of device XRI exchange busy */ | |
10177 | lpfc_sli4_xri_exchange_busy_wait(phba); | |
10178 | ||
da0436e9 JS |
10179 | /* Disable PCI subsystem interrupt */ |
10180 | lpfc_sli4_disable_intr(phba); | |
10181 | ||
912e3acd JS |
10182 | /* Disable SR-IOV if enabled */ |
10183 | if (phba->cfg_sriov_nr_virtfn) | |
10184 | pci_disable_sriov(pdev); | |
10185 | ||
da0436e9 JS |
10186 | /* Stop kthread signal shall trigger work_done one more time */ |
10187 | kthread_stop(phba->worker_thread); | |
10188 | ||
d1f525aa JS |
10189 | /* Unset the queues shared with the hardware then release all |
10190 | * allocated resources. | |
10191 | */ | |
10192 | lpfc_sli4_queue_unset(phba); | |
10193 | lpfc_sli4_queue_destroy(phba); | |
10194 | ||
3677a3a7 JS |
10195 | /* Reset SLI4 HBA FCoE function */ |
10196 | lpfc_pci_function_reset(phba); | |
10197 | ||
da0436e9 JS |
10198 | /* Stop the SLI4 device port */ |
10199 | phba->pport->work_port_events = 0; | |
10200 | } | |
10201 | ||
28baac74 JS |
10202 | /** |
10203 | * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities. | |
10204 | * @phba: Pointer to HBA context object. | |
10205 | * @mboxq: Pointer to the mailboxq memory for the mailbox command response. | |
10206 | * | |
10207 | * This function is called in the SLI4 code path to read the port's | |
10208 | * sli4 capabilities. | |
10209 | * | |
10210 | * This function may be be called from any context that can block-wait | |
10211 | * for the completion. The expectation is that this routine is called | |
10212 | * typically from probe_one or from the online routine. | |
10213 | **/ | |
10214 | int | |
10215 | lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
10216 | { | |
10217 | int rc; | |
10218 | struct lpfc_mqe *mqe; | |
10219 | struct lpfc_pc_sli4_params *sli4_params; | |
10220 | uint32_t mbox_tmo; | |
10221 | ||
10222 | rc = 0; | |
10223 | mqe = &mboxq->u.mqe; | |
10224 | ||
10225 | /* Read the port's SLI4 Parameters port capabilities */ | |
fedd3b7b | 10226 | lpfc_pc_sli4_params(mboxq); |
28baac74 JS |
10227 | if (!phba->sli4_hba.intr_enable) |
10228 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
10229 | else { | |
a183a15f | 10230 | mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); |
28baac74 JS |
10231 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); |
10232 | } | |
10233 | ||
10234 | if (unlikely(rc)) | |
10235 | return 1; | |
10236 | ||
10237 | sli4_params = &phba->sli4_hba.pc_sli4_params; | |
10238 | sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params); | |
10239 | sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params); | |
10240 | sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params); | |
10241 | sli4_params->featurelevel_1 = bf_get(featurelevel_1, | |
10242 | &mqe->un.sli4_params); | |
10243 | sli4_params->featurelevel_2 = bf_get(featurelevel_2, | |
10244 | &mqe->un.sli4_params); | |
10245 | sli4_params->proto_types = mqe->un.sli4_params.word3; | |
10246 | sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len; | |
10247 | sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params); | |
10248 | sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params); | |
10249 | sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params); | |
10250 | sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params); | |
10251 | sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params); | |
10252 | sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params); | |
10253 | sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params); | |
10254 | sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params); | |
10255 | sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params); | |
10256 | sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params); | |
10257 | sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params); | |
10258 | sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params); | |
10259 | sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params); | |
10260 | sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params); | |
10261 | sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params); | |
10262 | sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params); | |
10263 | sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params); | |
10264 | sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params); | |
10265 | sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params); | |
0558056c JS |
10266 | |
10267 | /* Make sure that sge_supp_len can be handled by the driver */ | |
10268 | if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE) | |
10269 | sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE; | |
10270 | ||
28baac74 JS |
10271 | return rc; |
10272 | } | |
10273 | ||
fedd3b7b JS |
10274 | /** |
10275 | * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS. | |
10276 | * @phba: Pointer to HBA context object. | |
10277 | * @mboxq: Pointer to the mailboxq memory for the mailbox command response. | |
10278 | * | |
10279 | * This function is called in the SLI4 code path to read the port's | |
10280 | * sli4 capabilities. | |
10281 | * | |
10282 | * This function may be be called from any context that can block-wait | |
10283 | * for the completion. The expectation is that this routine is called | |
10284 | * typically from probe_one or from the online routine. | |
10285 | **/ | |
10286 | int | |
10287 | lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
10288 | { | |
10289 | int rc; | |
10290 | struct lpfc_mqe *mqe = &mboxq->u.mqe; | |
10291 | struct lpfc_pc_sli4_params *sli4_params; | |
a183a15f | 10292 | uint32_t mbox_tmo; |
fedd3b7b JS |
10293 | int length; |
10294 | struct lpfc_sli4_parameters *mbx_sli4_parameters; | |
10295 | ||
6d368e53 JS |
10296 | /* |
10297 | * By default, the driver assumes the SLI4 port requires RPI | |
10298 | * header postings. The SLI4_PARAM response will correct this | |
10299 | * assumption. | |
10300 | */ | |
10301 | phba->sli4_hba.rpi_hdrs_in_use = 1; | |
10302 | ||
fedd3b7b JS |
10303 | /* Read the port's SLI4 Config Parameters */ |
10304 | length = (sizeof(struct lpfc_mbx_get_sli4_parameters) - | |
10305 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
10306 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
10307 | LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS, | |
10308 | length, LPFC_SLI4_MBX_EMBED); | |
10309 | if (!phba->sli4_hba.intr_enable) | |
10310 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
a183a15f JS |
10311 | else { |
10312 | mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); | |
10313 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); | |
10314 | } | |
fedd3b7b JS |
10315 | if (unlikely(rc)) |
10316 | return rc; | |
10317 | sli4_params = &phba->sli4_hba.pc_sli4_params; | |
10318 | mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters; | |
10319 | sli4_params->if_type = bf_get(cfg_if_type, mbx_sli4_parameters); | |
10320 | sli4_params->sli_rev = bf_get(cfg_sli_rev, mbx_sli4_parameters); | |
10321 | sli4_params->sli_family = bf_get(cfg_sli_family, mbx_sli4_parameters); | |
10322 | sli4_params->featurelevel_1 = bf_get(cfg_sli_hint_1, | |
10323 | mbx_sli4_parameters); | |
10324 | sli4_params->featurelevel_2 = bf_get(cfg_sli_hint_2, | |
10325 | mbx_sli4_parameters); | |
10326 | if (bf_get(cfg_phwq, mbx_sli4_parameters)) | |
10327 | phba->sli3_options |= LPFC_SLI4_PHWQ_ENABLED; | |
10328 | else | |
10329 | phba->sli3_options &= ~LPFC_SLI4_PHWQ_ENABLED; | |
10330 | sli4_params->sge_supp_len = mbx_sli4_parameters->sge_supp_len; | |
10331 | sli4_params->loopbk_scope = bf_get(loopbk_scope, mbx_sli4_parameters); | |
1ba981fd | 10332 | sli4_params->oas_supported = bf_get(cfg_oas, mbx_sli4_parameters); |
fedd3b7b JS |
10333 | sli4_params->cqv = bf_get(cfg_cqv, mbx_sli4_parameters); |
10334 | sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters); | |
10335 | sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters); | |
10336 | sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters); | |
0c651878 | 10337 | sli4_params->wqsize = bf_get(cfg_wqsize, mbx_sli4_parameters); |
fedd3b7b JS |
10338 | sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt, |
10339 | mbx_sli4_parameters); | |
895427bd | 10340 | sli4_params->wqpcnt = bf_get(cfg_wqpcnt, mbx_sli4_parameters); |
fedd3b7b JS |
10341 | sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align, |
10342 | mbx_sli4_parameters); | |
6d368e53 JS |
10343 | phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters); |
10344 | phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters); | |
895427bd JS |
10345 | phba->nvme_support = (bf_get(cfg_nvme, mbx_sli4_parameters) && |
10346 | bf_get(cfg_xib, mbx_sli4_parameters)); | |
10347 | ||
10348 | if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP) || | |
10349 | !phba->nvme_support) { | |
10350 | phba->nvme_support = 0; | |
10351 | phba->nvmet_support = 0; | |
2d7dbc4c | 10352 | phba->cfg_nvmet_mrq = 0; |
895427bd JS |
10353 | phba->cfg_nvme_io_channel = 0; |
10354 | phba->io_channel_irqs = phba->cfg_fcp_io_channel; | |
10355 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_NVME, | |
10356 | "6101 Disabling NVME support: " | |
10357 | "Not supported by firmware: %d %d\n", | |
10358 | bf_get(cfg_nvme, mbx_sli4_parameters), | |
10359 | bf_get(cfg_xib, mbx_sli4_parameters)); | |
10360 | ||
10361 | /* If firmware doesn't support NVME, just use SCSI support */ | |
10362 | if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP)) | |
10363 | return -ENODEV; | |
10364 | phba->cfg_enable_fc4_type = LPFC_ENABLE_FCP; | |
10365 | } | |
0558056c | 10366 | |
f358dd0c JS |
10367 | if (bf_get(cfg_xib, mbx_sli4_parameters) && phba->cfg_suppress_rsp) |
10368 | phba->sli.sli_flag |= LPFC_SLI_SUPPRESS_RSP; | |
10369 | ||
0cf07f84 JS |
10370 | if (bf_get(cfg_eqdr, mbx_sli4_parameters)) |
10371 | phba->sli.sli_flag |= LPFC_SLI_USE_EQDR; | |
10372 | ||
0558056c JS |
10373 | /* Make sure that sge_supp_len can be handled by the driver */ |
10374 | if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE) | |
10375 | sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE; | |
10376 | ||
b5c53958 JS |
10377 | /* |
10378 | * Issue IOs with CDB embedded in WQE to minimized the number | |
10379 | * of DMAs the firmware has to do. Setting this to 1 also forces | |
10380 | * the driver to use 128 bytes WQEs for FCP IOs. | |
10381 | */ | |
10382 | if (bf_get(cfg_ext_embed_cb, mbx_sli4_parameters)) | |
10383 | phba->fcp_embed_io = 1; | |
10384 | else | |
10385 | phba->fcp_embed_io = 0; | |
7bdedb34 JS |
10386 | |
10387 | /* | |
10388 | * Check if the SLI port supports MDS Diagnostics | |
10389 | */ | |
10390 | if (bf_get(cfg_mds_diags, mbx_sli4_parameters)) | |
10391 | phba->mds_diags_support = 1; | |
10392 | else | |
10393 | phba->mds_diags_support = 0; | |
fedd3b7b JS |
10394 | return 0; |
10395 | } | |
10396 | ||
da0436e9 JS |
10397 | /** |
10398 | * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem. | |
10399 | * @pdev: pointer to PCI device | |
10400 | * @pid: pointer to PCI device identifier | |
10401 | * | |
10402 | * This routine is to be called to attach a device with SLI-3 interface spec | |
10403 | * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is | |
10404 | * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific | |
10405 | * information of the device and driver to see if the driver state that it can | |
10406 | * support this kind of device. If the match is successful, the driver core | |
10407 | * invokes this routine. If this routine determines it can claim the HBA, it | |
10408 | * does all the initialization that it needs to do to handle the HBA properly. | |
10409 | * | |
10410 | * Return code | |
10411 | * 0 - driver can claim the device | |
10412 | * negative value - driver can not claim the device | |
10413 | **/ | |
6f039790 | 10414 | static int |
da0436e9 JS |
10415 | lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid) |
10416 | { | |
10417 | struct lpfc_hba *phba; | |
10418 | struct lpfc_vport *vport = NULL; | |
6669f9bb | 10419 | struct Scsi_Host *shost = NULL; |
da0436e9 JS |
10420 | int error; |
10421 | uint32_t cfg_mode, intr_mode; | |
10422 | ||
10423 | /* Allocate memory for HBA structure */ | |
10424 | phba = lpfc_hba_alloc(pdev); | |
10425 | if (!phba) | |
10426 | return -ENOMEM; | |
10427 | ||
10428 | /* Perform generic PCI device enabling operation */ | |
10429 | error = lpfc_enable_pci_dev(phba); | |
079b5c91 | 10430 | if (error) |
da0436e9 | 10431 | goto out_free_phba; |
da0436e9 JS |
10432 | |
10433 | /* Set up SLI API function jump table for PCI-device group-0 HBAs */ | |
10434 | error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP); | |
10435 | if (error) | |
10436 | goto out_disable_pci_dev; | |
10437 | ||
10438 | /* Set up SLI-3 specific device PCI memory space */ | |
10439 | error = lpfc_sli_pci_mem_setup(phba); | |
10440 | if (error) { | |
10441 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10442 | "1402 Failed to set up pci memory space.\n"); | |
10443 | goto out_disable_pci_dev; | |
10444 | } | |
10445 | ||
da0436e9 JS |
10446 | /* Set up SLI-3 specific device driver resources */ |
10447 | error = lpfc_sli_driver_resource_setup(phba); | |
10448 | if (error) { | |
10449 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10450 | "1404 Failed to set up driver resource.\n"); | |
10451 | goto out_unset_pci_mem_s3; | |
10452 | } | |
10453 | ||
10454 | /* Initialize and populate the iocb list per host */ | |
d1f525aa | 10455 | |
da0436e9 JS |
10456 | error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT); |
10457 | if (error) { | |
10458 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10459 | "1405 Failed to initialize iocb list.\n"); | |
10460 | goto out_unset_driver_resource_s3; | |
10461 | } | |
10462 | ||
10463 | /* Set up common device driver resources */ | |
10464 | error = lpfc_setup_driver_resource_phase2(phba); | |
10465 | if (error) { | |
10466 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10467 | "1406 Failed to set up driver resource.\n"); | |
10468 | goto out_free_iocb_list; | |
10469 | } | |
10470 | ||
079b5c91 JS |
10471 | /* Get the default values for Model Name and Description */ |
10472 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
10473 | ||
da0436e9 JS |
10474 | /* Create SCSI host to the physical port */ |
10475 | error = lpfc_create_shost(phba); | |
10476 | if (error) { | |
10477 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10478 | "1407 Failed to create scsi host.\n"); | |
10479 | goto out_unset_driver_resource; | |
10480 | } | |
10481 | ||
10482 | /* Configure sysfs attributes */ | |
10483 | vport = phba->pport; | |
10484 | error = lpfc_alloc_sysfs_attr(vport); | |
10485 | if (error) { | |
10486 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10487 | "1476 Failed to allocate sysfs attr\n"); | |
10488 | goto out_destroy_shost; | |
10489 | } | |
10490 | ||
6669f9bb | 10491 | shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */ |
da0436e9 JS |
10492 | /* Now, trying to enable interrupt and bring up the device */ |
10493 | cfg_mode = phba->cfg_use_msi; | |
10494 | while (true) { | |
10495 | /* Put device to a known state before enabling interrupt */ | |
10496 | lpfc_stop_port(phba); | |
10497 | /* Configure and enable interrupt */ | |
10498 | intr_mode = lpfc_sli_enable_intr(phba, cfg_mode); | |
10499 | if (intr_mode == LPFC_INTR_ERROR) { | |
10500 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10501 | "0431 Failed to enable interrupt.\n"); | |
10502 | error = -ENODEV; | |
10503 | goto out_free_sysfs_attr; | |
10504 | } | |
10505 | /* SLI-3 HBA setup */ | |
10506 | if (lpfc_sli_hba_setup(phba)) { | |
10507 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10508 | "1477 Failed to set up hba\n"); | |
10509 | error = -ENODEV; | |
10510 | goto out_remove_device; | |
10511 | } | |
10512 | ||
10513 | /* Wait 50ms for the interrupts of previous mailbox commands */ | |
10514 | msleep(50); | |
10515 | /* Check active interrupts on message signaled interrupts */ | |
10516 | if (intr_mode == 0 || | |
10517 | phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) { | |
10518 | /* Log the current active interrupt mode */ | |
10519 | phba->intr_mode = intr_mode; | |
10520 | lpfc_log_intr_mode(phba, intr_mode); | |
10521 | break; | |
10522 | } else { | |
10523 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
10524 | "0447 Configure interrupt mode (%d) " | |
10525 | "failed active interrupt test.\n", | |
10526 | intr_mode); | |
10527 | /* Disable the current interrupt mode */ | |
10528 | lpfc_sli_disable_intr(phba); | |
10529 | /* Try next level of interrupt mode */ | |
10530 | cfg_mode = --intr_mode; | |
10531 | } | |
10532 | } | |
10533 | ||
10534 | /* Perform post initialization setup */ | |
10535 | lpfc_post_init_setup(phba); | |
10536 | ||
10537 | /* Check if there are static vports to be created. */ | |
10538 | lpfc_create_static_vport(phba); | |
10539 | ||
10540 | return 0; | |
10541 | ||
10542 | out_remove_device: | |
10543 | lpfc_unset_hba(phba); | |
10544 | out_free_sysfs_attr: | |
10545 | lpfc_free_sysfs_attr(vport); | |
10546 | out_destroy_shost: | |
10547 | lpfc_destroy_shost(phba); | |
10548 | out_unset_driver_resource: | |
10549 | lpfc_unset_driver_resource_phase2(phba); | |
10550 | out_free_iocb_list: | |
10551 | lpfc_free_iocb_list(phba); | |
10552 | out_unset_driver_resource_s3: | |
10553 | lpfc_sli_driver_resource_unset(phba); | |
10554 | out_unset_pci_mem_s3: | |
10555 | lpfc_sli_pci_mem_unset(phba); | |
10556 | out_disable_pci_dev: | |
10557 | lpfc_disable_pci_dev(phba); | |
6669f9bb JS |
10558 | if (shost) |
10559 | scsi_host_put(shost); | |
da0436e9 JS |
10560 | out_free_phba: |
10561 | lpfc_hba_free(phba); | |
10562 | return error; | |
10563 | } | |
10564 | ||
10565 | /** | |
10566 | * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem. | |
10567 | * @pdev: pointer to PCI device | |
10568 | * | |
10569 | * This routine is to be called to disattach a device with SLI-3 interface | |
10570 | * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is | |
10571 | * removed from PCI bus, it performs all the necessary cleanup for the HBA | |
10572 | * device to be removed from the PCI subsystem properly. | |
10573 | **/ | |
6f039790 | 10574 | static void |
da0436e9 JS |
10575 | lpfc_pci_remove_one_s3(struct pci_dev *pdev) |
10576 | { | |
10577 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10578 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
10579 | struct lpfc_vport **vports; | |
10580 | struct lpfc_hba *phba = vport->phba; | |
10581 | int i; | |
da0436e9 JS |
10582 | |
10583 | spin_lock_irq(&phba->hbalock); | |
10584 | vport->load_flag |= FC_UNLOADING; | |
10585 | spin_unlock_irq(&phba->hbalock); | |
10586 | ||
10587 | lpfc_free_sysfs_attr(vport); | |
10588 | ||
10589 | /* Release all the vports against this physical port */ | |
10590 | vports = lpfc_create_vport_work_array(phba); | |
10591 | if (vports != NULL) | |
587a37f6 JS |
10592 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
10593 | if (vports[i]->port_type == LPFC_PHYSICAL_PORT) | |
10594 | continue; | |
da0436e9 | 10595 | fc_vport_terminate(vports[i]->fc_vport); |
587a37f6 | 10596 | } |
da0436e9 JS |
10597 | lpfc_destroy_vport_work_array(phba, vports); |
10598 | ||
10599 | /* Remove FC host and then SCSI host with the physical port */ | |
10600 | fc_remove_host(shost); | |
10601 | scsi_remove_host(shost); | |
d613b6a7 | 10602 | |
da0436e9 JS |
10603 | lpfc_cleanup(vport); |
10604 | ||
10605 | /* | |
10606 | * Bring down the SLI Layer. This step disable all interrupts, | |
10607 | * clears the rings, discards all mailbox commands, and resets | |
10608 | * the HBA. | |
10609 | */ | |
10610 | ||
48e34d0f | 10611 | /* HBA interrupt will be disabled after this call */ |
da0436e9 JS |
10612 | lpfc_sli_hba_down(phba); |
10613 | /* Stop kthread signal shall trigger work_done one more time */ | |
10614 | kthread_stop(phba->worker_thread); | |
10615 | /* Final cleanup of txcmplq and reset the HBA */ | |
10616 | lpfc_sli_brdrestart(phba); | |
10617 | ||
72859909 JS |
10618 | kfree(phba->vpi_bmask); |
10619 | kfree(phba->vpi_ids); | |
10620 | ||
da0436e9 JS |
10621 | lpfc_stop_hba_timers(phba); |
10622 | spin_lock_irq(&phba->hbalock); | |
10623 | list_del_init(&vport->listentry); | |
10624 | spin_unlock_irq(&phba->hbalock); | |
10625 | ||
10626 | lpfc_debugfs_terminate(vport); | |
10627 | ||
912e3acd JS |
10628 | /* Disable SR-IOV if enabled */ |
10629 | if (phba->cfg_sriov_nr_virtfn) | |
10630 | pci_disable_sriov(pdev); | |
10631 | ||
da0436e9 JS |
10632 | /* Disable interrupt */ |
10633 | lpfc_sli_disable_intr(phba); | |
10634 | ||
da0436e9 JS |
10635 | scsi_host_put(shost); |
10636 | ||
10637 | /* | |
10638 | * Call scsi_free before mem_free since scsi bufs are released to their | |
10639 | * corresponding pools here. | |
10640 | */ | |
10641 | lpfc_scsi_free(phba); | |
10642 | lpfc_mem_free_all(phba); | |
10643 | ||
10644 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), | |
10645 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
10646 | ||
10647 | /* Free resources associated with SLI2 interface */ | |
10648 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
10649 | phba->slim2p.virt, phba->slim2p.phys); | |
10650 | ||
10651 | /* unmap adapter SLIM and Control Registers */ | |
10652 | iounmap(phba->ctrl_regs_memmap_p); | |
10653 | iounmap(phba->slim_memmap_p); | |
10654 | ||
10655 | lpfc_hba_free(phba); | |
10656 | ||
e0c0483c | 10657 | pci_release_mem_regions(pdev); |
da0436e9 JS |
10658 | pci_disable_device(pdev); |
10659 | } | |
10660 | ||
10661 | /** | |
10662 | * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt | |
10663 | * @pdev: pointer to PCI device | |
10664 | * @msg: power management message | |
10665 | * | |
10666 | * This routine is to be called from the kernel's PCI subsystem to support | |
10667 | * system Power Management (PM) to device with SLI-3 interface spec. When | |
10668 | * PM invokes this method, it quiesces the device by stopping the driver's | |
10669 | * worker thread for the device, turning off device's interrupt and DMA, | |
10670 | * and bring the device offline. Note that as the driver implements the | |
10671 | * minimum PM requirements to a power-aware driver's PM support for the | |
10672 | * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE) | |
10673 | * to the suspend() method call will be treated as SUSPEND and the driver will | |
10674 | * fully reinitialize its device during resume() method call, the driver will | |
10675 | * set device to PCI_D3hot state in PCI config space instead of setting it | |
10676 | * according to the @msg provided by the PM. | |
10677 | * | |
10678 | * Return code | |
10679 | * 0 - driver suspended the device | |
10680 | * Error otherwise | |
10681 | **/ | |
10682 | static int | |
10683 | lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg) | |
10684 | { | |
10685 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10686 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10687 | ||
10688 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
10689 | "0473 PCI device Power Management suspend.\n"); | |
10690 | ||
10691 | /* Bring down the device */ | |
618a5230 | 10692 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
da0436e9 JS |
10693 | lpfc_offline(phba); |
10694 | kthread_stop(phba->worker_thread); | |
10695 | ||
10696 | /* Disable interrupt from device */ | |
10697 | lpfc_sli_disable_intr(phba); | |
10698 | ||
10699 | /* Save device state to PCI config space */ | |
10700 | pci_save_state(pdev); | |
10701 | pci_set_power_state(pdev, PCI_D3hot); | |
10702 | ||
10703 | return 0; | |
10704 | } | |
10705 | ||
10706 | /** | |
10707 | * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt | |
10708 | * @pdev: pointer to PCI device | |
10709 | * | |
10710 | * This routine is to be called from the kernel's PCI subsystem to support | |
10711 | * system Power Management (PM) to device with SLI-3 interface spec. When PM | |
10712 | * invokes this method, it restores the device's PCI config space state and | |
10713 | * fully reinitializes the device and brings it online. Note that as the | |
10714 | * driver implements the minimum PM requirements to a power-aware driver's | |
10715 | * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, | |
10716 | * FREEZE) to the suspend() method call will be treated as SUSPEND and the | |
10717 | * driver will fully reinitialize its device during resume() method call, | |
10718 | * the device will be set to PCI_D0 directly in PCI config space before | |
10719 | * restoring the state. | |
10720 | * | |
10721 | * Return code | |
10722 | * 0 - driver suspended the device | |
10723 | * Error otherwise | |
10724 | **/ | |
10725 | static int | |
10726 | lpfc_pci_resume_one_s3(struct pci_dev *pdev) | |
10727 | { | |
10728 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10729 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10730 | uint32_t intr_mode; | |
10731 | int error; | |
10732 | ||
10733 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
10734 | "0452 PCI device Power Management resume.\n"); | |
10735 | ||
10736 | /* Restore device state from PCI config space */ | |
10737 | pci_set_power_state(pdev, PCI_D0); | |
10738 | pci_restore_state(pdev); | |
0d878419 | 10739 | |
1dfb5a47 JS |
10740 | /* |
10741 | * As the new kernel behavior of pci_restore_state() API call clears | |
10742 | * device saved_state flag, need to save the restored state again. | |
10743 | */ | |
10744 | pci_save_state(pdev); | |
10745 | ||
da0436e9 JS |
10746 | if (pdev->is_busmaster) |
10747 | pci_set_master(pdev); | |
10748 | ||
10749 | /* Startup the kernel thread for this host adapter. */ | |
10750 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
10751 | "lpfc_worker_%d", phba->brd_no); | |
10752 | if (IS_ERR(phba->worker_thread)) { | |
10753 | error = PTR_ERR(phba->worker_thread); | |
10754 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10755 | "0434 PM resume failed to start worker " | |
10756 | "thread: error=x%x.\n", error); | |
10757 | return error; | |
10758 | } | |
10759 | ||
10760 | /* Configure and enable interrupt */ | |
10761 | intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode); | |
10762 | if (intr_mode == LPFC_INTR_ERROR) { | |
10763 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10764 | "0430 PM resume Failed to enable interrupt\n"); | |
10765 | return -EIO; | |
10766 | } else | |
10767 | phba->intr_mode = intr_mode; | |
10768 | ||
10769 | /* Restart HBA and bring it online */ | |
10770 | lpfc_sli_brdrestart(phba); | |
10771 | lpfc_online(phba); | |
10772 | ||
10773 | /* Log the current active interrupt mode */ | |
10774 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
10775 | ||
10776 | return 0; | |
10777 | } | |
10778 | ||
891478a2 JS |
10779 | /** |
10780 | * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover | |
10781 | * @phba: pointer to lpfc hba data structure. | |
10782 | * | |
10783 | * This routine is called to prepare the SLI3 device for PCI slot recover. It | |
e2af0d2e | 10784 | * aborts all the outstanding SCSI I/Os to the pci device. |
891478a2 JS |
10785 | **/ |
10786 | static void | |
10787 | lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba) | |
10788 | { | |
10789 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10790 | "2723 PCI channel I/O abort preparing for recovery\n"); | |
e2af0d2e JS |
10791 | |
10792 | /* | |
10793 | * There may be errored I/Os through HBA, abort all I/Os on txcmplq | |
10794 | * and let the SCSI mid-layer to retry them to recover. | |
10795 | */ | |
db55fba8 | 10796 | lpfc_sli_abort_fcp_rings(phba); |
891478a2 JS |
10797 | } |
10798 | ||
0d878419 JS |
10799 | /** |
10800 | * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset | |
10801 | * @phba: pointer to lpfc hba data structure. | |
10802 | * | |
10803 | * This routine is called to prepare the SLI3 device for PCI slot reset. It | |
10804 | * disables the device interrupt and pci device, and aborts the internal FCP | |
10805 | * pending I/Os. | |
10806 | **/ | |
10807 | static void | |
10808 | lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba) | |
10809 | { | |
0d878419 | 10810 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
891478a2 | 10811 | "2710 PCI channel disable preparing for reset\n"); |
e2af0d2e | 10812 | |
75baf696 | 10813 | /* Block any management I/Os to the device */ |
618a5230 | 10814 | lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT); |
75baf696 | 10815 | |
e2af0d2e JS |
10816 | /* Block all SCSI devices' I/Os on the host */ |
10817 | lpfc_scsi_dev_block(phba); | |
10818 | ||
ea714f3d JS |
10819 | /* Flush all driver's outstanding SCSI I/Os as we are to reset */ |
10820 | lpfc_sli_flush_fcp_rings(phba); | |
10821 | ||
e2af0d2e JS |
10822 | /* stop all timers */ |
10823 | lpfc_stop_hba_timers(phba); | |
10824 | ||
0d878419 JS |
10825 | /* Disable interrupt and pci device */ |
10826 | lpfc_sli_disable_intr(phba); | |
10827 | pci_disable_device(phba->pcidev); | |
0d878419 JS |
10828 | } |
10829 | ||
10830 | /** | |
10831 | * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable | |
10832 | * @phba: pointer to lpfc hba data structure. | |
10833 | * | |
10834 | * This routine is called to prepare the SLI3 device for PCI slot permanently | |
10835 | * disabling. It blocks the SCSI transport layer traffic and flushes the FCP | |
10836 | * pending I/Os. | |
10837 | **/ | |
10838 | static void | |
75baf696 | 10839 | lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba) |
0d878419 JS |
10840 | { |
10841 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
891478a2 | 10842 | "2711 PCI channel permanent disable for failure\n"); |
e2af0d2e JS |
10843 | /* Block all SCSI devices' I/Os on the host */ |
10844 | lpfc_scsi_dev_block(phba); | |
10845 | ||
10846 | /* stop all timers */ | |
10847 | lpfc_stop_hba_timers(phba); | |
10848 | ||
0d878419 JS |
10849 | /* Clean up all driver's outstanding SCSI I/Os */ |
10850 | lpfc_sli_flush_fcp_rings(phba); | |
10851 | } | |
10852 | ||
da0436e9 JS |
10853 | /** |
10854 | * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error | |
10855 | * @pdev: pointer to PCI device. | |
10856 | * @state: the current PCI connection state. | |
10857 | * | |
10858 | * This routine is called from the PCI subsystem for I/O error handling to | |
10859 | * device with SLI-3 interface spec. This function is called by the PCI | |
10860 | * subsystem after a PCI bus error affecting this device has been detected. | |
10861 | * When this function is invoked, it will need to stop all the I/Os and | |
10862 | * interrupt(s) to the device. Once that is done, it will return | |
10863 | * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery | |
10864 | * as desired. | |
10865 | * | |
10866 | * Return codes | |
0d878419 | 10867 | * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link |
da0436e9 JS |
10868 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery |
10869 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
10870 | **/ | |
10871 | static pci_ers_result_t | |
10872 | lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state) | |
10873 | { | |
10874 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10875 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
da0436e9 | 10876 | |
0d878419 JS |
10877 | switch (state) { |
10878 | case pci_channel_io_normal: | |
891478a2 JS |
10879 | /* Non-fatal error, prepare for recovery */ |
10880 | lpfc_sli_prep_dev_for_recover(phba); | |
0d878419 JS |
10881 | return PCI_ERS_RESULT_CAN_RECOVER; |
10882 | case pci_channel_io_frozen: | |
10883 | /* Fatal error, prepare for slot reset */ | |
10884 | lpfc_sli_prep_dev_for_reset(phba); | |
10885 | return PCI_ERS_RESULT_NEED_RESET; | |
10886 | case pci_channel_io_perm_failure: | |
10887 | /* Permanent failure, prepare for device down */ | |
75baf696 | 10888 | lpfc_sli_prep_dev_for_perm_failure(phba); |
da0436e9 | 10889 | return PCI_ERS_RESULT_DISCONNECT; |
0d878419 JS |
10890 | default: |
10891 | /* Unknown state, prepare and request slot reset */ | |
10892 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10893 | "0472 Unknown PCI error state: x%x\n", state); | |
10894 | lpfc_sli_prep_dev_for_reset(phba); | |
10895 | return PCI_ERS_RESULT_NEED_RESET; | |
da0436e9 | 10896 | } |
da0436e9 JS |
10897 | } |
10898 | ||
10899 | /** | |
10900 | * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch. | |
10901 | * @pdev: pointer to PCI device. | |
10902 | * | |
10903 | * This routine is called from the PCI subsystem for error handling to | |
10904 | * device with SLI-3 interface spec. This is called after PCI bus has been | |
10905 | * reset to restart the PCI card from scratch, as if from a cold-boot. | |
10906 | * During the PCI subsystem error recovery, after driver returns | |
10907 | * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error | |
10908 | * recovery and then call this routine before calling the .resume method | |
10909 | * to recover the device. This function will initialize the HBA device, | |
10910 | * enable the interrupt, but it will just put the HBA to offline state | |
10911 | * without passing any I/O traffic. | |
10912 | * | |
10913 | * Return codes | |
10914 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered | |
10915 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
10916 | */ | |
10917 | static pci_ers_result_t | |
10918 | lpfc_io_slot_reset_s3(struct pci_dev *pdev) | |
10919 | { | |
10920 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10921 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10922 | struct lpfc_sli *psli = &phba->sli; | |
10923 | uint32_t intr_mode; | |
10924 | ||
10925 | dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); | |
10926 | if (pci_enable_device_mem(pdev)) { | |
10927 | printk(KERN_ERR "lpfc: Cannot re-enable " | |
10928 | "PCI device after reset.\n"); | |
10929 | return PCI_ERS_RESULT_DISCONNECT; | |
10930 | } | |
10931 | ||
10932 | pci_restore_state(pdev); | |
1dfb5a47 JS |
10933 | |
10934 | /* | |
10935 | * As the new kernel behavior of pci_restore_state() API call clears | |
10936 | * device saved_state flag, need to save the restored state again. | |
10937 | */ | |
10938 | pci_save_state(pdev); | |
10939 | ||
da0436e9 JS |
10940 | if (pdev->is_busmaster) |
10941 | pci_set_master(pdev); | |
10942 | ||
10943 | spin_lock_irq(&phba->hbalock); | |
10944 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; | |
10945 | spin_unlock_irq(&phba->hbalock); | |
10946 | ||
10947 | /* Configure and enable interrupt */ | |
10948 | intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode); | |
10949 | if (intr_mode == LPFC_INTR_ERROR) { | |
10950 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10951 | "0427 Cannot re-enable interrupt after " | |
10952 | "slot reset.\n"); | |
10953 | return PCI_ERS_RESULT_DISCONNECT; | |
10954 | } else | |
10955 | phba->intr_mode = intr_mode; | |
10956 | ||
75baf696 | 10957 | /* Take device offline, it will perform cleanup */ |
618a5230 | 10958 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
da0436e9 JS |
10959 | lpfc_offline(phba); |
10960 | lpfc_sli_brdrestart(phba); | |
10961 | ||
10962 | /* Log the current active interrupt mode */ | |
10963 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
10964 | ||
10965 | return PCI_ERS_RESULT_RECOVERED; | |
10966 | } | |
10967 | ||
10968 | /** | |
10969 | * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device. | |
10970 | * @pdev: pointer to PCI device | |
10971 | * | |
10972 | * This routine is called from the PCI subsystem for error handling to device | |
10973 | * with SLI-3 interface spec. It is called when kernel error recovery tells | |
10974 | * the lpfc driver that it is ok to resume normal PCI operation after PCI bus | |
10975 | * error recovery. After this call, traffic can start to flow from this device | |
10976 | * again. | |
10977 | */ | |
10978 | static void | |
10979 | lpfc_io_resume_s3(struct pci_dev *pdev) | |
10980 | { | |
10981 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10982 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
3772a991 | 10983 | |
e2af0d2e | 10984 | /* Bring device online, it will be no-op for non-fatal error resume */ |
da0436e9 | 10985 | lpfc_online(phba); |
0d878419 JS |
10986 | |
10987 | /* Clean up Advanced Error Reporting (AER) if needed */ | |
10988 | if (phba->hba_flag & HBA_AER_ENABLED) | |
10989 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
da0436e9 | 10990 | } |
3772a991 | 10991 | |
da0436e9 JS |
10992 | /** |
10993 | * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve | |
10994 | * @phba: pointer to lpfc hba data structure. | |
10995 | * | |
10996 | * returns the number of ELS/CT IOCBs to reserve | |
10997 | **/ | |
10998 | int | |
10999 | lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba) | |
11000 | { | |
11001 | int max_xri = phba->sli4_hba.max_cfg_param.max_xri; | |
11002 | ||
f1126688 JS |
11003 | if (phba->sli_rev == LPFC_SLI_REV4) { |
11004 | if (max_xri <= 100) | |
6a9c52cf | 11005 | return 10; |
f1126688 | 11006 | else if (max_xri <= 256) |
6a9c52cf | 11007 | return 25; |
f1126688 | 11008 | else if (max_xri <= 512) |
6a9c52cf | 11009 | return 50; |
f1126688 | 11010 | else if (max_xri <= 1024) |
6a9c52cf | 11011 | return 100; |
8a9d2e80 | 11012 | else if (max_xri <= 1536) |
6a9c52cf | 11013 | return 150; |
8a9d2e80 JS |
11014 | else if (max_xri <= 2048) |
11015 | return 200; | |
11016 | else | |
11017 | return 250; | |
f1126688 JS |
11018 | } else |
11019 | return 0; | |
3772a991 JS |
11020 | } |
11021 | ||
895427bd JS |
11022 | /** |
11023 | * lpfc_sli4_get_iocb_cnt - Calculate the # of total IOCBs to reserve | |
11024 | * @phba: pointer to lpfc hba data structure. | |
11025 | * | |
f358dd0c | 11026 | * returns the number of ELS/CT + NVMET IOCBs to reserve |
895427bd JS |
11027 | **/ |
11028 | int | |
11029 | lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba) | |
11030 | { | |
11031 | int max_xri = lpfc_sli4_get_els_iocb_cnt(phba); | |
11032 | ||
f358dd0c JS |
11033 | if (phba->nvmet_support) |
11034 | max_xri += LPFC_NVMET_BUF_POST; | |
895427bd JS |
11035 | return max_xri; |
11036 | } | |
11037 | ||
11038 | ||
52d52440 JS |
11039 | /** |
11040 | * lpfc_write_firmware - attempt to write a firmware image to the port | |
52d52440 | 11041 | * @fw: pointer to firmware image returned from request_firmware. |
ce396282 | 11042 | * @phba: pointer to lpfc hba data structure. |
52d52440 | 11043 | * |
52d52440 | 11044 | **/ |
ce396282 JS |
11045 | static void |
11046 | lpfc_write_firmware(const struct firmware *fw, void *context) | |
52d52440 | 11047 | { |
ce396282 | 11048 | struct lpfc_hba *phba = (struct lpfc_hba *)context; |
6b5151fd | 11049 | char fwrev[FW_REV_STR_SIZE]; |
ce396282 | 11050 | struct lpfc_grp_hdr *image; |
52d52440 JS |
11051 | struct list_head dma_buffer_list; |
11052 | int i, rc = 0; | |
11053 | struct lpfc_dmabuf *dmabuf, *next; | |
11054 | uint32_t offset = 0, temp_offset = 0; | |
6b6ef5db | 11055 | uint32_t magic_number, ftype, fid, fsize; |
52d52440 | 11056 | |
c71ab861 | 11057 | /* It can be null in no-wait mode, sanity check */ |
ce396282 JS |
11058 | if (!fw) { |
11059 | rc = -ENXIO; | |
11060 | goto out; | |
11061 | } | |
11062 | image = (struct lpfc_grp_hdr *)fw->data; | |
11063 | ||
6b6ef5db JS |
11064 | magic_number = be32_to_cpu(image->magic_number); |
11065 | ftype = bf_get_be32(lpfc_grp_hdr_file_type, image); | |
11066 | fid = bf_get_be32(lpfc_grp_hdr_id, image), | |
11067 | fsize = be32_to_cpu(image->size); | |
11068 | ||
52d52440 | 11069 | INIT_LIST_HEAD(&dma_buffer_list); |
6b6ef5db JS |
11070 | if ((magic_number != LPFC_GROUP_OJECT_MAGIC_G5 && |
11071 | magic_number != LPFC_GROUP_OJECT_MAGIC_G6) || | |
11072 | ftype != LPFC_FILE_TYPE_GROUP || fsize != fw->size) { | |
52d52440 JS |
11073 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
11074 | "3022 Invalid FW image found. " | |
efe583c6 | 11075 | "Magic:%x Type:%x ID:%x Size %d %zd\n", |
6b6ef5db | 11076 | magic_number, ftype, fid, fsize, fw->size); |
ce396282 JS |
11077 | rc = -EINVAL; |
11078 | goto release_out; | |
52d52440 JS |
11079 | } |
11080 | lpfc_decode_firmware_rev(phba, fwrev, 1); | |
88a2cfbb | 11081 | if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) { |
52d52440 | 11082 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
ce396282 | 11083 | "3023 Updating Firmware, Current Version:%s " |
52d52440 | 11084 | "New Version:%s\n", |
88a2cfbb | 11085 | fwrev, image->revision); |
52d52440 JS |
11086 | for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) { |
11087 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), | |
11088 | GFP_KERNEL); | |
11089 | if (!dmabuf) { | |
11090 | rc = -ENOMEM; | |
ce396282 | 11091 | goto release_out; |
52d52440 JS |
11092 | } |
11093 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, | |
11094 | SLI4_PAGE_SIZE, | |
11095 | &dmabuf->phys, | |
11096 | GFP_KERNEL); | |
11097 | if (!dmabuf->virt) { | |
11098 | kfree(dmabuf); | |
11099 | rc = -ENOMEM; | |
ce396282 | 11100 | goto release_out; |
52d52440 JS |
11101 | } |
11102 | list_add_tail(&dmabuf->list, &dma_buffer_list); | |
11103 | } | |
11104 | while (offset < fw->size) { | |
11105 | temp_offset = offset; | |
11106 | list_for_each_entry(dmabuf, &dma_buffer_list, list) { | |
079b5c91 | 11107 | if (temp_offset + SLI4_PAGE_SIZE > fw->size) { |
52d52440 JS |
11108 | memcpy(dmabuf->virt, |
11109 | fw->data + temp_offset, | |
079b5c91 JS |
11110 | fw->size - temp_offset); |
11111 | temp_offset = fw->size; | |
52d52440 JS |
11112 | break; |
11113 | } | |
52d52440 JS |
11114 | memcpy(dmabuf->virt, fw->data + temp_offset, |
11115 | SLI4_PAGE_SIZE); | |
88a2cfbb | 11116 | temp_offset += SLI4_PAGE_SIZE; |
52d52440 JS |
11117 | } |
11118 | rc = lpfc_wr_object(phba, &dma_buffer_list, | |
11119 | (fw->size - offset), &offset); | |
ce396282 JS |
11120 | if (rc) |
11121 | goto release_out; | |
52d52440 JS |
11122 | } |
11123 | rc = offset; | |
11124 | } | |
ce396282 JS |
11125 | |
11126 | release_out: | |
52d52440 JS |
11127 | list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) { |
11128 | list_del(&dmabuf->list); | |
11129 | dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE, | |
11130 | dmabuf->virt, dmabuf->phys); | |
11131 | kfree(dmabuf); | |
11132 | } | |
ce396282 JS |
11133 | release_firmware(fw); |
11134 | out: | |
11135 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
c71ab861 | 11136 | "3024 Firmware update done: %d.\n", rc); |
ce396282 | 11137 | return; |
52d52440 JS |
11138 | } |
11139 | ||
c71ab861 JS |
11140 | /** |
11141 | * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade | |
11142 | * @phba: pointer to lpfc hba data structure. | |
11143 | * | |
11144 | * This routine is called to perform Linux generic firmware upgrade on device | |
11145 | * that supports such feature. | |
11146 | **/ | |
11147 | int | |
11148 | lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade) | |
11149 | { | |
11150 | uint8_t file_name[ELX_MODEL_NAME_SIZE]; | |
11151 | int ret; | |
11152 | const struct firmware *fw; | |
11153 | ||
11154 | /* Only supported on SLI4 interface type 2 for now */ | |
11155 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
11156 | LPFC_SLI_INTF_IF_TYPE_2) | |
11157 | return -EPERM; | |
11158 | ||
11159 | snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp", phba->ModelName); | |
11160 | ||
11161 | if (fw_upgrade == INT_FW_UPGRADE) { | |
11162 | ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG, | |
11163 | file_name, &phba->pcidev->dev, | |
11164 | GFP_KERNEL, (void *)phba, | |
11165 | lpfc_write_firmware); | |
11166 | } else if (fw_upgrade == RUN_FW_UPGRADE) { | |
11167 | ret = request_firmware(&fw, file_name, &phba->pcidev->dev); | |
11168 | if (!ret) | |
11169 | lpfc_write_firmware(fw, (void *)phba); | |
11170 | } else { | |
11171 | ret = -EINVAL; | |
11172 | } | |
11173 | ||
11174 | return ret; | |
11175 | } | |
11176 | ||
3772a991 | 11177 | /** |
da0436e9 | 11178 | * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys |
3772a991 JS |
11179 | * @pdev: pointer to PCI device |
11180 | * @pid: pointer to PCI device identifier | |
11181 | * | |
da0436e9 JS |
11182 | * This routine is called from the kernel's PCI subsystem to device with |
11183 | * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is | |
3772a991 | 11184 | * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific |
da0436e9 JS |
11185 | * information of the device and driver to see if the driver state that it |
11186 | * can support this kind of device. If the match is successful, the driver | |
11187 | * core invokes this routine. If this routine determines it can claim the HBA, | |
11188 | * it does all the initialization that it needs to do to handle the HBA | |
11189 | * properly. | |
3772a991 JS |
11190 | * |
11191 | * Return code | |
11192 | * 0 - driver can claim the device | |
11193 | * negative value - driver can not claim the device | |
11194 | **/ | |
6f039790 | 11195 | static int |
da0436e9 | 11196 | lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) |
3772a991 JS |
11197 | { |
11198 | struct lpfc_hba *phba; | |
11199 | struct lpfc_vport *vport = NULL; | |
6669f9bb | 11200 | struct Scsi_Host *shost = NULL; |
6c621a22 | 11201 | int error; |
3772a991 JS |
11202 | uint32_t cfg_mode, intr_mode; |
11203 | ||
11204 | /* Allocate memory for HBA structure */ | |
11205 | phba = lpfc_hba_alloc(pdev); | |
11206 | if (!phba) | |
11207 | return -ENOMEM; | |
11208 | ||
11209 | /* Perform generic PCI device enabling operation */ | |
11210 | error = lpfc_enable_pci_dev(phba); | |
079b5c91 | 11211 | if (error) |
3772a991 | 11212 | goto out_free_phba; |
3772a991 | 11213 | |
da0436e9 JS |
11214 | /* Set up SLI API function jump table for PCI-device group-1 HBAs */ |
11215 | error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC); | |
3772a991 JS |
11216 | if (error) |
11217 | goto out_disable_pci_dev; | |
11218 | ||
da0436e9 JS |
11219 | /* Set up SLI-4 specific device PCI memory space */ |
11220 | error = lpfc_sli4_pci_mem_setup(phba); | |
3772a991 JS |
11221 | if (error) { |
11222 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 11223 | "1410 Failed to set up pci memory space.\n"); |
3772a991 JS |
11224 | goto out_disable_pci_dev; |
11225 | } | |
11226 | ||
da0436e9 JS |
11227 | /* Set up SLI-4 Specific device driver resources */ |
11228 | error = lpfc_sli4_driver_resource_setup(phba); | |
3772a991 JS |
11229 | if (error) { |
11230 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 JS |
11231 | "1412 Failed to set up driver resource.\n"); |
11232 | goto out_unset_pci_mem_s4; | |
3772a991 JS |
11233 | } |
11234 | ||
19ca7609 | 11235 | INIT_LIST_HEAD(&phba->active_rrq_list); |
7d791df7 | 11236 | INIT_LIST_HEAD(&phba->fcf.fcf_pri_list); |
19ca7609 | 11237 | |
3772a991 JS |
11238 | /* Set up common device driver resources */ |
11239 | error = lpfc_setup_driver_resource_phase2(phba); | |
11240 | if (error) { | |
11241 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 11242 | "1414 Failed to set up driver resource.\n"); |
6c621a22 | 11243 | goto out_unset_driver_resource_s4; |
3772a991 JS |
11244 | } |
11245 | ||
079b5c91 JS |
11246 | /* Get the default values for Model Name and Description */ |
11247 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
11248 | ||
3772a991 JS |
11249 | /* Create SCSI host to the physical port */ |
11250 | error = lpfc_create_shost(phba); | |
11251 | if (error) { | |
11252 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 11253 | "1415 Failed to create scsi host.\n"); |
3772a991 JS |
11254 | goto out_unset_driver_resource; |
11255 | } | |
9399627f | 11256 | |
5b75da2f | 11257 | /* Configure sysfs attributes */ |
3772a991 JS |
11258 | vport = phba->pport; |
11259 | error = lpfc_alloc_sysfs_attr(vport); | |
11260 | if (error) { | |
9399627f | 11261 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
da0436e9 | 11262 | "1416 Failed to allocate sysfs attr\n"); |
3772a991 | 11263 | goto out_destroy_shost; |
98c9ea5c | 11264 | } |
875fbdfe | 11265 | |
6669f9bb | 11266 | shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */ |
3772a991 | 11267 | /* Now, trying to enable interrupt and bring up the device */ |
5b75da2f | 11268 | cfg_mode = phba->cfg_use_msi; |
5b75da2f | 11269 | |
7b15db32 JS |
11270 | /* Put device to a known state before enabling interrupt */ |
11271 | lpfc_stop_port(phba); | |
895427bd | 11272 | |
7b15db32 JS |
11273 | /* Configure and enable interrupt */ |
11274 | intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode); | |
11275 | if (intr_mode == LPFC_INTR_ERROR) { | |
11276 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11277 | "0426 Failed to enable interrupt.\n"); | |
11278 | error = -ENODEV; | |
11279 | goto out_free_sysfs_attr; | |
11280 | } | |
11281 | /* Default to single EQ for non-MSI-X */ | |
895427bd JS |
11282 | if (phba->intr_type != MSIX) { |
11283 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) | |
11284 | phba->cfg_fcp_io_channel = 1; | |
2d7dbc4c | 11285 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { |
895427bd | 11286 | phba->cfg_nvme_io_channel = 1; |
2d7dbc4c JS |
11287 | if (phba->nvmet_support) |
11288 | phba->cfg_nvmet_mrq = 1; | |
11289 | } | |
895427bd JS |
11290 | phba->io_channel_irqs = 1; |
11291 | } | |
11292 | ||
7b15db32 JS |
11293 | /* Set up SLI-4 HBA */ |
11294 | if (lpfc_sli4_hba_setup(phba)) { | |
11295 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11296 | "1421 Failed to set up hba\n"); | |
11297 | error = -ENODEV; | |
11298 | goto out_disable_intr; | |
98c9ea5c | 11299 | } |
858c9f6c | 11300 | |
7b15db32 JS |
11301 | /* Log the current active interrupt mode */ |
11302 | phba->intr_mode = intr_mode; | |
11303 | lpfc_log_intr_mode(phba, intr_mode); | |
11304 | ||
3772a991 JS |
11305 | /* Perform post initialization setup */ |
11306 | lpfc_post_init_setup(phba); | |
dea3101e | 11307 | |
01649561 JS |
11308 | /* NVME support in FW earlier in the driver load corrects the |
11309 | * FC4 type making a check for nvme_support unnecessary. | |
11310 | */ | |
11311 | if ((phba->nvmet_support == 0) && | |
11312 | (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) { | |
11313 | /* Create NVME binding with nvme_fc_transport. This | |
d1f525aa JS |
11314 | * ensures the vport is initialized. If the localport |
11315 | * create fails, it should not unload the driver to | |
11316 | * support field issues. | |
01649561 JS |
11317 | */ |
11318 | error = lpfc_nvme_create_localport(vport); | |
11319 | if (error) { | |
11320 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11321 | "6004 NVME registration failed, " | |
11322 | "error x%x\n", | |
11323 | error); | |
01649561 JS |
11324 | } |
11325 | } | |
895427bd | 11326 | |
c71ab861 JS |
11327 | /* check for firmware upgrade or downgrade */ |
11328 | if (phba->cfg_request_firmware_upgrade) | |
db6f1c2f | 11329 | lpfc_sli4_request_firmware_update(phba, INT_FW_UPGRADE); |
52d52440 | 11330 | |
1c6834a7 JS |
11331 | /* Check if there are static vports to be created. */ |
11332 | lpfc_create_static_vport(phba); | |
dea3101e JB |
11333 | return 0; |
11334 | ||
da0436e9 JS |
11335 | out_disable_intr: |
11336 | lpfc_sli4_disable_intr(phba); | |
5b75da2f JS |
11337 | out_free_sysfs_attr: |
11338 | lpfc_free_sysfs_attr(vport); | |
3772a991 JS |
11339 | out_destroy_shost: |
11340 | lpfc_destroy_shost(phba); | |
11341 | out_unset_driver_resource: | |
11342 | lpfc_unset_driver_resource_phase2(phba); | |
da0436e9 JS |
11343 | out_unset_driver_resource_s4: |
11344 | lpfc_sli4_driver_resource_unset(phba); | |
11345 | out_unset_pci_mem_s4: | |
11346 | lpfc_sli4_pci_mem_unset(phba); | |
3772a991 JS |
11347 | out_disable_pci_dev: |
11348 | lpfc_disable_pci_dev(phba); | |
6669f9bb JS |
11349 | if (shost) |
11350 | scsi_host_put(shost); | |
2e0fef85 | 11351 | out_free_phba: |
3772a991 | 11352 | lpfc_hba_free(phba); |
dea3101e JB |
11353 | return error; |
11354 | } | |
11355 | ||
e59058c4 | 11356 | /** |
da0436e9 | 11357 | * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem |
e59058c4 JS |
11358 | * @pdev: pointer to PCI device |
11359 | * | |
da0436e9 JS |
11360 | * This routine is called from the kernel's PCI subsystem to device with |
11361 | * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is | |
3772a991 JS |
11362 | * removed from PCI bus, it performs all the necessary cleanup for the HBA |
11363 | * device to be removed from the PCI subsystem properly. | |
e59058c4 | 11364 | **/ |
6f039790 | 11365 | static void |
da0436e9 | 11366 | lpfc_pci_remove_one_s4(struct pci_dev *pdev) |
dea3101e | 11367 | { |
da0436e9 | 11368 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2e0fef85 | 11369 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
eada272d | 11370 | struct lpfc_vport **vports; |
da0436e9 | 11371 | struct lpfc_hba *phba = vport->phba; |
eada272d | 11372 | int i; |
8a4df120 | 11373 | |
da0436e9 | 11374 | /* Mark the device unloading flag */ |
549e55cd | 11375 | spin_lock_irq(&phba->hbalock); |
51ef4c26 | 11376 | vport->load_flag |= FC_UNLOADING; |
549e55cd | 11377 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 11378 | |
da0436e9 | 11379 | /* Free the HBA sysfs attributes */ |
858c9f6c JS |
11380 | lpfc_free_sysfs_attr(vport); |
11381 | ||
eada272d JS |
11382 | /* Release all the vports against this physical port */ |
11383 | vports = lpfc_create_vport_work_array(phba); | |
11384 | if (vports != NULL) | |
587a37f6 JS |
11385 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
11386 | if (vports[i]->port_type == LPFC_PHYSICAL_PORT) | |
11387 | continue; | |
eada272d | 11388 | fc_vport_terminate(vports[i]->fc_vport); |
587a37f6 | 11389 | } |
eada272d JS |
11390 | lpfc_destroy_vport_work_array(phba, vports); |
11391 | ||
11392 | /* Remove FC host and then SCSI host with the physical port */ | |
858c9f6c JS |
11393 | fc_remove_host(shost); |
11394 | scsi_remove_host(shost); | |
da0436e9 | 11395 | |
d613b6a7 JS |
11396 | /* Perform ndlp cleanup on the physical port. The nvme and nvmet |
11397 | * localports are destroyed after to cleanup all transport memory. | |
895427bd | 11398 | */ |
87af33fe | 11399 | lpfc_cleanup(vport); |
d613b6a7 JS |
11400 | lpfc_nvmet_destroy_targetport(phba); |
11401 | lpfc_nvme_destroy_localport(vport); | |
87af33fe | 11402 | |
2e0fef85 | 11403 | /* |
da0436e9 | 11404 | * Bring down the SLI Layer. This step disables all interrupts, |
2e0fef85 | 11405 | * clears the rings, discards all mailbox commands, and resets |
da0436e9 | 11406 | * the HBA FCoE function. |
2e0fef85 | 11407 | */ |
da0436e9 JS |
11408 | lpfc_debugfs_terminate(vport); |
11409 | lpfc_sli4_hba_unset(phba); | |
a257bf90 | 11410 | |
858c9f6c JS |
11411 | spin_lock_irq(&phba->hbalock); |
11412 | list_del_init(&vport->listentry); | |
11413 | spin_unlock_irq(&phba->hbalock); | |
11414 | ||
3677a3a7 | 11415 | /* Perform scsi free before driver resource_unset since scsi |
da0436e9 | 11416 | * buffers are released to their corresponding pools here. |
2e0fef85 JS |
11417 | */ |
11418 | lpfc_scsi_free(phba); | |
895427bd | 11419 | lpfc_nvme_free(phba); |
01649561 | 11420 | lpfc_free_iocb_list(phba); |
67d12733 | 11421 | |
da0436e9 | 11422 | lpfc_sli4_driver_resource_unset(phba); |
ed957684 | 11423 | |
da0436e9 JS |
11424 | /* Unmap adapter Control and Doorbell registers */ |
11425 | lpfc_sli4_pci_mem_unset(phba); | |
2e0fef85 | 11426 | |
da0436e9 JS |
11427 | /* Release PCI resources and disable device's PCI function */ |
11428 | scsi_host_put(shost); | |
11429 | lpfc_disable_pci_dev(phba); | |
2e0fef85 | 11430 | |
da0436e9 | 11431 | /* Finally, free the driver's device data structure */ |
3772a991 | 11432 | lpfc_hba_free(phba); |
2e0fef85 | 11433 | |
da0436e9 | 11434 | return; |
dea3101e JB |
11435 | } |
11436 | ||
3a55b532 | 11437 | /** |
da0436e9 | 11438 | * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt |
3a55b532 JS |
11439 | * @pdev: pointer to PCI device |
11440 | * @msg: power management message | |
11441 | * | |
da0436e9 JS |
11442 | * This routine is called from the kernel's PCI subsystem to support system |
11443 | * Power Management (PM) to device with SLI-4 interface spec. When PM invokes | |
11444 | * this method, it quiesces the device by stopping the driver's worker | |
11445 | * thread for the device, turning off device's interrupt and DMA, and bring | |
11446 | * the device offline. Note that as the driver implements the minimum PM | |
11447 | * requirements to a power-aware driver's PM support for suspend/resume -- all | |
11448 | * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend() | |
11449 | * method call will be treated as SUSPEND and the driver will fully | |
11450 | * reinitialize its device during resume() method call, the driver will set | |
11451 | * device to PCI_D3hot state in PCI config space instead of setting it | |
3772a991 | 11452 | * according to the @msg provided by the PM. |
3a55b532 JS |
11453 | * |
11454 | * Return code | |
3772a991 JS |
11455 | * 0 - driver suspended the device |
11456 | * Error otherwise | |
3a55b532 JS |
11457 | **/ |
11458 | static int | |
da0436e9 | 11459 | lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg) |
3a55b532 JS |
11460 | { |
11461 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
11462 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
11463 | ||
11464 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
75baf696 | 11465 | "2843 PCI device Power Management suspend.\n"); |
3a55b532 JS |
11466 | |
11467 | /* Bring down the device */ | |
618a5230 | 11468 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
3a55b532 JS |
11469 | lpfc_offline(phba); |
11470 | kthread_stop(phba->worker_thread); | |
11471 | ||
11472 | /* Disable interrupt from device */ | |
da0436e9 | 11473 | lpfc_sli4_disable_intr(phba); |
5350d872 | 11474 | lpfc_sli4_queue_destroy(phba); |
3a55b532 JS |
11475 | |
11476 | /* Save device state to PCI config space */ | |
11477 | pci_save_state(pdev); | |
11478 | pci_set_power_state(pdev, PCI_D3hot); | |
11479 | ||
11480 | return 0; | |
11481 | } | |
11482 | ||
11483 | /** | |
da0436e9 | 11484 | * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt |
3a55b532 JS |
11485 | * @pdev: pointer to PCI device |
11486 | * | |
da0436e9 JS |
11487 | * This routine is called from the kernel's PCI subsystem to support system |
11488 | * Power Management (PM) to device with SLI-4 interface spac. When PM invokes | |
11489 | * this method, it restores the device's PCI config space state and fully | |
11490 | * reinitializes the device and brings it online. Note that as the driver | |
11491 | * implements the minimum PM requirements to a power-aware driver's PM for | |
11492 | * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE) | |
11493 | * to the suspend() method call will be treated as SUSPEND and the driver | |
11494 | * will fully reinitialize its device during resume() method call, the device | |
11495 | * will be set to PCI_D0 directly in PCI config space before restoring the | |
11496 | * state. | |
3a55b532 JS |
11497 | * |
11498 | * Return code | |
3772a991 JS |
11499 | * 0 - driver suspended the device |
11500 | * Error otherwise | |
3a55b532 JS |
11501 | **/ |
11502 | static int | |
da0436e9 | 11503 | lpfc_pci_resume_one_s4(struct pci_dev *pdev) |
3a55b532 JS |
11504 | { |
11505 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
11506 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
5b75da2f | 11507 | uint32_t intr_mode; |
3a55b532 JS |
11508 | int error; |
11509 | ||
11510 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
da0436e9 | 11511 | "0292 PCI device Power Management resume.\n"); |
3a55b532 JS |
11512 | |
11513 | /* Restore device state from PCI config space */ | |
11514 | pci_set_power_state(pdev, PCI_D0); | |
11515 | pci_restore_state(pdev); | |
1dfb5a47 JS |
11516 | |
11517 | /* | |
11518 | * As the new kernel behavior of pci_restore_state() API call clears | |
11519 | * device saved_state flag, need to save the restored state again. | |
11520 | */ | |
11521 | pci_save_state(pdev); | |
11522 | ||
3a55b532 JS |
11523 | if (pdev->is_busmaster) |
11524 | pci_set_master(pdev); | |
11525 | ||
da0436e9 | 11526 | /* Startup the kernel thread for this host adapter. */ |
3a55b532 JS |
11527 | phba->worker_thread = kthread_run(lpfc_do_work, phba, |
11528 | "lpfc_worker_%d", phba->brd_no); | |
11529 | if (IS_ERR(phba->worker_thread)) { | |
11530 | error = PTR_ERR(phba->worker_thread); | |
11531 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 11532 | "0293 PM resume failed to start worker " |
3a55b532 JS |
11533 | "thread: error=x%x.\n", error); |
11534 | return error; | |
11535 | } | |
11536 | ||
5b75da2f | 11537 | /* Configure and enable interrupt */ |
da0436e9 | 11538 | intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); |
5b75da2f | 11539 | if (intr_mode == LPFC_INTR_ERROR) { |
3a55b532 | 11540 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
da0436e9 | 11541 | "0294 PM resume Failed to enable interrupt\n"); |
5b75da2f JS |
11542 | return -EIO; |
11543 | } else | |
11544 | phba->intr_mode = intr_mode; | |
3a55b532 JS |
11545 | |
11546 | /* Restart HBA and bring it online */ | |
11547 | lpfc_sli_brdrestart(phba); | |
11548 | lpfc_online(phba); | |
11549 | ||
5b75da2f JS |
11550 | /* Log the current active interrupt mode */ |
11551 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
11552 | ||
3a55b532 JS |
11553 | return 0; |
11554 | } | |
11555 | ||
75baf696 JS |
11556 | /** |
11557 | * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover | |
11558 | * @phba: pointer to lpfc hba data structure. | |
11559 | * | |
11560 | * This routine is called to prepare the SLI4 device for PCI slot recover. It | |
11561 | * aborts all the outstanding SCSI I/Os to the pci device. | |
11562 | **/ | |
11563 | static void | |
11564 | lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba) | |
11565 | { | |
75baf696 JS |
11566 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
11567 | "2828 PCI channel I/O abort preparing for recovery\n"); | |
11568 | /* | |
11569 | * There may be errored I/Os through HBA, abort all I/Os on txcmplq | |
11570 | * and let the SCSI mid-layer to retry them to recover. | |
11571 | */ | |
db55fba8 | 11572 | lpfc_sli_abort_fcp_rings(phba); |
75baf696 JS |
11573 | } |
11574 | ||
11575 | /** | |
11576 | * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset | |
11577 | * @phba: pointer to lpfc hba data structure. | |
11578 | * | |
11579 | * This routine is called to prepare the SLI4 device for PCI slot reset. It | |
11580 | * disables the device interrupt and pci device, and aborts the internal FCP | |
11581 | * pending I/Os. | |
11582 | **/ | |
11583 | static void | |
11584 | lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba) | |
11585 | { | |
11586 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11587 | "2826 PCI channel disable preparing for reset\n"); | |
11588 | ||
11589 | /* Block any management I/Os to the device */ | |
618a5230 | 11590 | lpfc_block_mgmt_io(phba, LPFC_MBX_NO_WAIT); |
75baf696 JS |
11591 | |
11592 | /* Block all SCSI devices' I/Os on the host */ | |
11593 | lpfc_scsi_dev_block(phba); | |
11594 | ||
ea714f3d JS |
11595 | /* Flush all driver's outstanding SCSI I/Os as we are to reset */ |
11596 | lpfc_sli_flush_fcp_rings(phba); | |
11597 | ||
75baf696 JS |
11598 | /* stop all timers */ |
11599 | lpfc_stop_hba_timers(phba); | |
11600 | ||
11601 | /* Disable interrupt and pci device */ | |
11602 | lpfc_sli4_disable_intr(phba); | |
5350d872 | 11603 | lpfc_sli4_queue_destroy(phba); |
75baf696 | 11604 | pci_disable_device(phba->pcidev); |
75baf696 JS |
11605 | } |
11606 | ||
11607 | /** | |
11608 | * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable | |
11609 | * @phba: pointer to lpfc hba data structure. | |
11610 | * | |
11611 | * This routine is called to prepare the SLI4 device for PCI slot permanently | |
11612 | * disabling. It blocks the SCSI transport layer traffic and flushes the FCP | |
11613 | * pending I/Os. | |
11614 | **/ | |
11615 | static void | |
11616 | lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba) | |
11617 | { | |
11618 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11619 | "2827 PCI channel permanent disable for failure\n"); | |
11620 | ||
11621 | /* Block all SCSI devices' I/Os on the host */ | |
11622 | lpfc_scsi_dev_block(phba); | |
11623 | ||
11624 | /* stop all timers */ | |
11625 | lpfc_stop_hba_timers(phba); | |
11626 | ||
11627 | /* Clean up all driver's outstanding SCSI I/Os */ | |
11628 | lpfc_sli_flush_fcp_rings(phba); | |
11629 | } | |
11630 | ||
8d63f375 | 11631 | /** |
da0436e9 | 11632 | * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device |
e59058c4 JS |
11633 | * @pdev: pointer to PCI device. |
11634 | * @state: the current PCI connection state. | |
8d63f375 | 11635 | * |
da0436e9 JS |
11636 | * This routine is called from the PCI subsystem for error handling to device |
11637 | * with SLI-4 interface spec. This function is called by the PCI subsystem | |
11638 | * after a PCI bus error affecting this device has been detected. When this | |
11639 | * function is invoked, it will need to stop all the I/Os and interrupt(s) | |
11640 | * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET | |
11641 | * for the PCI subsystem to perform proper recovery as desired. | |
e59058c4 JS |
11642 | * |
11643 | * Return codes | |
3772a991 JS |
11644 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery |
11645 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
e59058c4 | 11646 | **/ |
3772a991 | 11647 | static pci_ers_result_t |
da0436e9 | 11648 | lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state) |
8d63f375 | 11649 | { |
75baf696 JS |
11650 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
11651 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
11652 | ||
11653 | switch (state) { | |
11654 | case pci_channel_io_normal: | |
11655 | /* Non-fatal error, prepare for recovery */ | |
11656 | lpfc_sli4_prep_dev_for_recover(phba); | |
11657 | return PCI_ERS_RESULT_CAN_RECOVER; | |
11658 | case pci_channel_io_frozen: | |
11659 | /* Fatal error, prepare for slot reset */ | |
11660 | lpfc_sli4_prep_dev_for_reset(phba); | |
11661 | return PCI_ERS_RESULT_NEED_RESET; | |
11662 | case pci_channel_io_perm_failure: | |
11663 | /* Permanent failure, prepare for device down */ | |
11664 | lpfc_sli4_prep_dev_for_perm_failure(phba); | |
11665 | return PCI_ERS_RESULT_DISCONNECT; | |
11666 | default: | |
11667 | /* Unknown state, prepare and request slot reset */ | |
11668 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11669 | "2825 Unknown PCI error state: x%x\n", state); | |
11670 | lpfc_sli4_prep_dev_for_reset(phba); | |
11671 | return PCI_ERS_RESULT_NEED_RESET; | |
11672 | } | |
8d63f375 LV |
11673 | } |
11674 | ||
11675 | /** | |
da0436e9 | 11676 | * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch |
e59058c4 JS |
11677 | * @pdev: pointer to PCI device. |
11678 | * | |
da0436e9 JS |
11679 | * This routine is called from the PCI subsystem for error handling to device |
11680 | * with SLI-4 interface spec. It is called after PCI bus has been reset to | |
11681 | * restart the PCI card from scratch, as if from a cold-boot. During the | |
11682 | * PCI subsystem error recovery, after the driver returns | |
3772a991 | 11683 | * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error |
da0436e9 JS |
11684 | * recovery and then call this routine before calling the .resume method to |
11685 | * recover the device. This function will initialize the HBA device, enable | |
11686 | * the interrupt, but it will just put the HBA to offline state without | |
11687 | * passing any I/O traffic. | |
8d63f375 | 11688 | * |
e59058c4 | 11689 | * Return codes |
3772a991 JS |
11690 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered |
11691 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
8d63f375 | 11692 | */ |
3772a991 | 11693 | static pci_ers_result_t |
da0436e9 | 11694 | lpfc_io_slot_reset_s4(struct pci_dev *pdev) |
8d63f375 | 11695 | { |
75baf696 JS |
11696 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
11697 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
11698 | struct lpfc_sli *psli = &phba->sli; | |
11699 | uint32_t intr_mode; | |
11700 | ||
11701 | dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); | |
11702 | if (pci_enable_device_mem(pdev)) { | |
11703 | printk(KERN_ERR "lpfc: Cannot re-enable " | |
11704 | "PCI device after reset.\n"); | |
11705 | return PCI_ERS_RESULT_DISCONNECT; | |
11706 | } | |
11707 | ||
11708 | pci_restore_state(pdev); | |
0a96e975 JS |
11709 | |
11710 | /* | |
11711 | * As the new kernel behavior of pci_restore_state() API call clears | |
11712 | * device saved_state flag, need to save the restored state again. | |
11713 | */ | |
11714 | pci_save_state(pdev); | |
11715 | ||
75baf696 JS |
11716 | if (pdev->is_busmaster) |
11717 | pci_set_master(pdev); | |
11718 | ||
11719 | spin_lock_irq(&phba->hbalock); | |
11720 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; | |
11721 | spin_unlock_irq(&phba->hbalock); | |
11722 | ||
11723 | /* Configure and enable interrupt */ | |
11724 | intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); | |
11725 | if (intr_mode == LPFC_INTR_ERROR) { | |
11726 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11727 | "2824 Cannot re-enable interrupt after " | |
11728 | "slot reset.\n"); | |
11729 | return PCI_ERS_RESULT_DISCONNECT; | |
11730 | } else | |
11731 | phba->intr_mode = intr_mode; | |
11732 | ||
11733 | /* Log the current active interrupt mode */ | |
11734 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
11735 | ||
8d63f375 LV |
11736 | return PCI_ERS_RESULT_RECOVERED; |
11737 | } | |
11738 | ||
11739 | /** | |
da0436e9 | 11740 | * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device |
e59058c4 | 11741 | * @pdev: pointer to PCI device |
8d63f375 | 11742 | * |
3772a991 | 11743 | * This routine is called from the PCI subsystem for error handling to device |
da0436e9 | 11744 | * with SLI-4 interface spec. It is called when kernel error recovery tells |
3772a991 JS |
11745 | * the lpfc driver that it is ok to resume normal PCI operation after PCI bus |
11746 | * error recovery. After this call, traffic can start to flow from this device | |
11747 | * again. | |
da0436e9 | 11748 | **/ |
3772a991 | 11749 | static void |
da0436e9 | 11750 | lpfc_io_resume_s4(struct pci_dev *pdev) |
8d63f375 | 11751 | { |
75baf696 JS |
11752 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
11753 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
11754 | ||
11755 | /* | |
11756 | * In case of slot reset, as function reset is performed through | |
11757 | * mailbox command which needs DMA to be enabled, this operation | |
11758 | * has to be moved to the io resume phase. Taking device offline | |
11759 | * will perform the necessary cleanup. | |
11760 | */ | |
11761 | if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) { | |
11762 | /* Perform device reset */ | |
618a5230 | 11763 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
75baf696 JS |
11764 | lpfc_offline(phba); |
11765 | lpfc_sli_brdrestart(phba); | |
11766 | /* Bring the device back online */ | |
11767 | lpfc_online(phba); | |
11768 | } | |
11769 | ||
11770 | /* Clean up Advanced Error Reporting (AER) if needed */ | |
11771 | if (phba->hba_flag & HBA_AER_ENABLED) | |
11772 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
8d63f375 LV |
11773 | } |
11774 | ||
3772a991 JS |
11775 | /** |
11776 | * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem | |
11777 | * @pdev: pointer to PCI device | |
11778 | * @pid: pointer to PCI device identifier | |
11779 | * | |
11780 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
11781 | * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks | |
11782 | * at PCI device-specific information of the device and driver to see if the | |
11783 | * driver state that it can support this kind of device. If the match is | |
11784 | * successful, the driver core invokes this routine. This routine dispatches | |
11785 | * the action to the proper SLI-3 or SLI-4 device probing routine, which will | |
11786 | * do all the initialization that it needs to do to handle the HBA device | |
11787 | * properly. | |
11788 | * | |
11789 | * Return code | |
11790 | * 0 - driver can claim the device | |
11791 | * negative value - driver can not claim the device | |
11792 | **/ | |
6f039790 | 11793 | static int |
3772a991 JS |
11794 | lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) |
11795 | { | |
11796 | int rc; | |
8fa38513 | 11797 | struct lpfc_sli_intf intf; |
3772a991 | 11798 | |
28baac74 | 11799 | if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0)) |
3772a991 JS |
11800 | return -ENODEV; |
11801 | ||
8fa38513 | 11802 | if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) && |
28baac74 | 11803 | (bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4)) |
da0436e9 | 11804 | rc = lpfc_pci_probe_one_s4(pdev, pid); |
8fa38513 | 11805 | else |
3772a991 | 11806 | rc = lpfc_pci_probe_one_s3(pdev, pid); |
8fa38513 | 11807 | |
3772a991 JS |
11808 | return rc; |
11809 | } | |
11810 | ||
11811 | /** | |
11812 | * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem | |
11813 | * @pdev: pointer to PCI device | |
11814 | * | |
11815 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
11816 | * Emulex HBA is removed from PCI bus, the driver core invokes this routine. | |
11817 | * This routine dispatches the action to the proper SLI-3 or SLI-4 device | |
11818 | * remove routine, which will perform all the necessary cleanup for the | |
11819 | * device to be removed from the PCI subsystem properly. | |
11820 | **/ | |
6f039790 | 11821 | static void |
3772a991 JS |
11822 | lpfc_pci_remove_one(struct pci_dev *pdev) |
11823 | { | |
11824 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
11825 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
11826 | ||
11827 | switch (phba->pci_dev_grp) { | |
11828 | case LPFC_PCI_DEV_LP: | |
11829 | lpfc_pci_remove_one_s3(pdev); | |
11830 | break; | |
da0436e9 JS |
11831 | case LPFC_PCI_DEV_OC: |
11832 | lpfc_pci_remove_one_s4(pdev); | |
11833 | break; | |
3772a991 JS |
11834 | default: |
11835 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11836 | "1424 Invalid PCI device group: 0x%x\n", | |
11837 | phba->pci_dev_grp); | |
11838 | break; | |
11839 | } | |
11840 | return; | |
11841 | } | |
11842 | ||
11843 | /** | |
11844 | * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management | |
11845 | * @pdev: pointer to PCI device | |
11846 | * @msg: power management message | |
11847 | * | |
11848 | * This routine is to be registered to the kernel's PCI subsystem to support | |
11849 | * system Power Management (PM). When PM invokes this method, it dispatches | |
11850 | * the action to the proper SLI-3 or SLI-4 device suspend routine, which will | |
11851 | * suspend the device. | |
11852 | * | |
11853 | * Return code | |
11854 | * 0 - driver suspended the device | |
11855 | * Error otherwise | |
11856 | **/ | |
11857 | static int | |
11858 | lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg) | |
11859 | { | |
11860 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
11861 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
11862 | int rc = -ENODEV; | |
11863 | ||
11864 | switch (phba->pci_dev_grp) { | |
11865 | case LPFC_PCI_DEV_LP: | |
11866 | rc = lpfc_pci_suspend_one_s3(pdev, msg); | |
11867 | break; | |
da0436e9 JS |
11868 | case LPFC_PCI_DEV_OC: |
11869 | rc = lpfc_pci_suspend_one_s4(pdev, msg); | |
11870 | break; | |
3772a991 JS |
11871 | default: |
11872 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11873 | "1425 Invalid PCI device group: 0x%x\n", | |
11874 | phba->pci_dev_grp); | |
11875 | break; | |
11876 | } | |
11877 | return rc; | |
11878 | } | |
11879 | ||
11880 | /** | |
11881 | * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management | |
11882 | * @pdev: pointer to PCI device | |
11883 | * | |
11884 | * This routine is to be registered to the kernel's PCI subsystem to support | |
11885 | * system Power Management (PM). When PM invokes this method, it dispatches | |
11886 | * the action to the proper SLI-3 or SLI-4 device resume routine, which will | |
11887 | * resume the device. | |
11888 | * | |
11889 | * Return code | |
11890 | * 0 - driver suspended the device | |
11891 | * Error otherwise | |
11892 | **/ | |
11893 | static int | |
11894 | lpfc_pci_resume_one(struct pci_dev *pdev) | |
11895 | { | |
11896 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
11897 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
11898 | int rc = -ENODEV; | |
11899 | ||
11900 | switch (phba->pci_dev_grp) { | |
11901 | case LPFC_PCI_DEV_LP: | |
11902 | rc = lpfc_pci_resume_one_s3(pdev); | |
11903 | break; | |
da0436e9 JS |
11904 | case LPFC_PCI_DEV_OC: |
11905 | rc = lpfc_pci_resume_one_s4(pdev); | |
11906 | break; | |
3772a991 JS |
11907 | default: |
11908 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11909 | "1426 Invalid PCI device group: 0x%x\n", | |
11910 | phba->pci_dev_grp); | |
11911 | break; | |
11912 | } | |
11913 | return rc; | |
11914 | } | |
11915 | ||
11916 | /** | |
11917 | * lpfc_io_error_detected - lpfc method for handling PCI I/O error | |
11918 | * @pdev: pointer to PCI device. | |
11919 | * @state: the current PCI connection state. | |
11920 | * | |
11921 | * This routine is registered to the PCI subsystem for error handling. This | |
11922 | * function is called by the PCI subsystem after a PCI bus error affecting | |
11923 | * this device has been detected. When this routine is invoked, it dispatches | |
11924 | * the action to the proper SLI-3 or SLI-4 device error detected handling | |
11925 | * routine, which will perform the proper error detected operation. | |
11926 | * | |
11927 | * Return codes | |
11928 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery | |
11929 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
11930 | **/ | |
11931 | static pci_ers_result_t | |
11932 | lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
11933 | { | |
11934 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
11935 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
11936 | pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT; | |
11937 | ||
11938 | switch (phba->pci_dev_grp) { | |
11939 | case LPFC_PCI_DEV_LP: | |
11940 | rc = lpfc_io_error_detected_s3(pdev, state); | |
11941 | break; | |
da0436e9 JS |
11942 | case LPFC_PCI_DEV_OC: |
11943 | rc = lpfc_io_error_detected_s4(pdev, state); | |
11944 | break; | |
3772a991 JS |
11945 | default: |
11946 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11947 | "1427 Invalid PCI device group: 0x%x\n", | |
11948 | phba->pci_dev_grp); | |
11949 | break; | |
11950 | } | |
11951 | return rc; | |
11952 | } | |
11953 | ||
11954 | /** | |
11955 | * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch | |
11956 | * @pdev: pointer to PCI device. | |
11957 | * | |
11958 | * This routine is registered to the PCI subsystem for error handling. This | |
11959 | * function is called after PCI bus has been reset to restart the PCI card | |
11960 | * from scratch, as if from a cold-boot. When this routine is invoked, it | |
11961 | * dispatches the action to the proper SLI-3 or SLI-4 device reset handling | |
11962 | * routine, which will perform the proper device reset. | |
11963 | * | |
11964 | * Return codes | |
11965 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered | |
11966 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
11967 | **/ | |
11968 | static pci_ers_result_t | |
11969 | lpfc_io_slot_reset(struct pci_dev *pdev) | |
11970 | { | |
11971 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
11972 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
11973 | pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT; | |
11974 | ||
11975 | switch (phba->pci_dev_grp) { | |
11976 | case LPFC_PCI_DEV_LP: | |
11977 | rc = lpfc_io_slot_reset_s3(pdev); | |
11978 | break; | |
da0436e9 JS |
11979 | case LPFC_PCI_DEV_OC: |
11980 | rc = lpfc_io_slot_reset_s4(pdev); | |
11981 | break; | |
3772a991 JS |
11982 | default: |
11983 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11984 | "1428 Invalid PCI device group: 0x%x\n", | |
11985 | phba->pci_dev_grp); | |
11986 | break; | |
11987 | } | |
11988 | return rc; | |
11989 | } | |
11990 | ||
11991 | /** | |
11992 | * lpfc_io_resume - lpfc method for resuming PCI I/O operation | |
11993 | * @pdev: pointer to PCI device | |
11994 | * | |
11995 | * This routine is registered to the PCI subsystem for error handling. It | |
11996 | * is called when kernel error recovery tells the lpfc driver that it is | |
11997 | * OK to resume normal PCI operation after PCI bus error recovery. When | |
11998 | * this routine is invoked, it dispatches the action to the proper SLI-3 | |
11999 | * or SLI-4 device io_resume routine, which will resume the device operation. | |
12000 | **/ | |
12001 | static void | |
12002 | lpfc_io_resume(struct pci_dev *pdev) | |
12003 | { | |
12004 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
12005 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
12006 | ||
12007 | switch (phba->pci_dev_grp) { | |
12008 | case LPFC_PCI_DEV_LP: | |
12009 | lpfc_io_resume_s3(pdev); | |
12010 | break; | |
da0436e9 JS |
12011 | case LPFC_PCI_DEV_OC: |
12012 | lpfc_io_resume_s4(pdev); | |
12013 | break; | |
3772a991 JS |
12014 | default: |
12015 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
12016 | "1429 Invalid PCI device group: 0x%x\n", | |
12017 | phba->pci_dev_grp); | |
12018 | break; | |
12019 | } | |
12020 | return; | |
12021 | } | |
12022 | ||
1ba981fd JS |
12023 | /** |
12024 | * lpfc_sli4_oas_verify - Verify OAS is supported by this adapter | |
12025 | * @phba: pointer to lpfc hba data structure. | |
12026 | * | |
12027 | * This routine checks to see if OAS is supported for this adapter. If | |
12028 | * supported, the configure Flash Optimized Fabric flag is set. Otherwise, | |
12029 | * the enable oas flag is cleared and the pool created for OAS device data | |
12030 | * is destroyed. | |
12031 | * | |
12032 | **/ | |
12033 | void | |
12034 | lpfc_sli4_oas_verify(struct lpfc_hba *phba) | |
12035 | { | |
12036 | ||
12037 | if (!phba->cfg_EnableXLane) | |
12038 | return; | |
12039 | ||
12040 | if (phba->sli4_hba.pc_sli4_params.oas_supported) { | |
12041 | phba->cfg_fof = 1; | |
12042 | } else { | |
f38fa0bb | 12043 | phba->cfg_fof = 0; |
1ba981fd JS |
12044 | if (phba->device_data_mem_pool) |
12045 | mempool_destroy(phba->device_data_mem_pool); | |
12046 | phba->device_data_mem_pool = NULL; | |
12047 | } | |
12048 | ||
12049 | return; | |
12050 | } | |
12051 | ||
12052 | /** | |
12053 | * lpfc_fof_queue_setup - Set up all the fof queues | |
12054 | * @phba: pointer to lpfc hba data structure. | |
12055 | * | |
12056 | * This routine is invoked to set up all the fof queues for the FC HBA | |
12057 | * operation. | |
12058 | * | |
12059 | * Return codes | |
12060 | * 0 - successful | |
12061 | * -ENOMEM - No available memory | |
12062 | **/ | |
12063 | int | |
12064 | lpfc_fof_queue_setup(struct lpfc_hba *phba) | |
12065 | { | |
895427bd | 12066 | struct lpfc_sli_ring *pring; |
1ba981fd JS |
12067 | int rc; |
12068 | ||
12069 | rc = lpfc_eq_create(phba, phba->sli4_hba.fof_eq, LPFC_MAX_IMAX); | |
12070 | if (rc) | |
12071 | return -ENOMEM; | |
12072 | ||
f38fa0bb | 12073 | if (phba->cfg_fof) { |
1ba981fd JS |
12074 | |
12075 | rc = lpfc_cq_create(phba, phba->sli4_hba.oas_cq, | |
12076 | phba->sli4_hba.fof_eq, LPFC_WCQ, LPFC_FCP); | |
12077 | if (rc) | |
12078 | goto out_oas_cq; | |
12079 | ||
12080 | rc = lpfc_wq_create(phba, phba->sli4_hba.oas_wq, | |
12081 | phba->sli4_hba.oas_cq, LPFC_FCP); | |
12082 | if (rc) | |
12083 | goto out_oas_wq; | |
12084 | ||
895427bd JS |
12085 | /* Bind this CQ/WQ to the NVME ring */ |
12086 | pring = phba->sli4_hba.oas_wq->pring; | |
12087 | pring->sli.sli4.wqp = | |
12088 | (void *)phba->sli4_hba.oas_wq; | |
12089 | phba->sli4_hba.oas_cq->pring = pring; | |
1ba981fd JS |
12090 | } |
12091 | ||
12092 | return 0; | |
12093 | ||
12094 | out_oas_wq: | |
f38fa0bb | 12095 | lpfc_cq_destroy(phba, phba->sli4_hba.oas_cq); |
1ba981fd JS |
12096 | out_oas_cq: |
12097 | lpfc_eq_destroy(phba, phba->sli4_hba.fof_eq); | |
12098 | return rc; | |
12099 | ||
12100 | } | |
12101 | ||
12102 | /** | |
12103 | * lpfc_fof_queue_create - Create all the fof queues | |
12104 | * @phba: pointer to lpfc hba data structure. | |
12105 | * | |
12106 | * This routine is invoked to allocate all the fof queues for the FC HBA | |
12107 | * operation. For each SLI4 queue type, the parameters such as queue entry | |
12108 | * count (queue depth) shall be taken from the module parameter. For now, | |
12109 | * we just use some constant number as place holder. | |
12110 | * | |
12111 | * Return codes | |
12112 | * 0 - successful | |
12113 | * -ENOMEM - No availble memory | |
12114 | * -EIO - The mailbox failed to complete successfully. | |
12115 | **/ | |
12116 | int | |
12117 | lpfc_fof_queue_create(struct lpfc_hba *phba) | |
12118 | { | |
12119 | struct lpfc_queue *qdesc; | |
7e04e21a | 12120 | uint32_t wqesize; |
1ba981fd JS |
12121 | |
12122 | /* Create FOF EQ */ | |
12123 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize, | |
12124 | phba->sli4_hba.eq_ecount); | |
12125 | if (!qdesc) | |
12126 | goto out_error; | |
12127 | ||
12128 | phba->sli4_hba.fof_eq = qdesc; | |
12129 | ||
f38fa0bb | 12130 | if (phba->cfg_fof) { |
1ba981fd JS |
12131 | |
12132 | /* Create OAS CQ */ | |
12133 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
12134 | phba->sli4_hba.cq_ecount); | |
12135 | if (!qdesc) | |
12136 | goto out_error; | |
12137 | ||
12138 | phba->sli4_hba.oas_cq = qdesc; | |
12139 | ||
12140 | /* Create OAS WQ */ | |
7e04e21a JS |
12141 | wqesize = (phba->fcp_embed_io) ? |
12142 | LPFC_WQE128_SIZE : phba->sli4_hba.wq_esize; | |
12143 | qdesc = lpfc_sli4_queue_alloc(phba, wqesize, | |
1ba981fd | 12144 | phba->sli4_hba.wq_ecount); |
7e04e21a | 12145 | |
1ba981fd JS |
12146 | if (!qdesc) |
12147 | goto out_error; | |
12148 | ||
12149 | phba->sli4_hba.oas_wq = qdesc; | |
895427bd | 12150 | list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list); |
1ba981fd JS |
12151 | |
12152 | } | |
12153 | return 0; | |
12154 | ||
12155 | out_error: | |
12156 | lpfc_fof_queue_destroy(phba); | |
12157 | return -ENOMEM; | |
12158 | } | |
12159 | ||
12160 | /** | |
12161 | * lpfc_fof_queue_destroy - Destroy all the fof queues | |
12162 | * @phba: pointer to lpfc hba data structure. | |
12163 | * | |
12164 | * This routine is invoked to release all the SLI4 queues with the FC HBA | |
12165 | * operation. | |
12166 | * | |
12167 | * Return codes | |
12168 | * 0 - successful | |
12169 | **/ | |
12170 | int | |
12171 | lpfc_fof_queue_destroy(struct lpfc_hba *phba) | |
12172 | { | |
12173 | /* Release FOF Event queue */ | |
12174 | if (phba->sli4_hba.fof_eq != NULL) { | |
12175 | lpfc_sli4_queue_free(phba->sli4_hba.fof_eq); | |
12176 | phba->sli4_hba.fof_eq = NULL; | |
12177 | } | |
12178 | ||
12179 | /* Release OAS Completion queue */ | |
12180 | if (phba->sli4_hba.oas_cq != NULL) { | |
12181 | lpfc_sli4_queue_free(phba->sli4_hba.oas_cq); | |
12182 | phba->sli4_hba.oas_cq = NULL; | |
12183 | } | |
12184 | ||
12185 | /* Release OAS Work queue */ | |
12186 | if (phba->sli4_hba.oas_wq != NULL) { | |
12187 | lpfc_sli4_queue_free(phba->sli4_hba.oas_wq); | |
12188 | phba->sli4_hba.oas_wq = NULL; | |
12189 | } | |
12190 | return 0; | |
12191 | } | |
12192 | ||
dea3101e JB |
12193 | MODULE_DEVICE_TABLE(pci, lpfc_id_table); |
12194 | ||
a55b2d21 | 12195 | static const struct pci_error_handlers lpfc_err_handler = { |
8d63f375 LV |
12196 | .error_detected = lpfc_io_error_detected, |
12197 | .slot_reset = lpfc_io_slot_reset, | |
12198 | .resume = lpfc_io_resume, | |
12199 | }; | |
12200 | ||
dea3101e JB |
12201 | static struct pci_driver lpfc_driver = { |
12202 | .name = LPFC_DRIVER_NAME, | |
12203 | .id_table = lpfc_id_table, | |
12204 | .probe = lpfc_pci_probe_one, | |
6f039790 | 12205 | .remove = lpfc_pci_remove_one, |
85e8a239 | 12206 | .shutdown = lpfc_pci_remove_one, |
3a55b532 | 12207 | .suspend = lpfc_pci_suspend_one, |
3772a991 | 12208 | .resume = lpfc_pci_resume_one, |
2e0fef85 | 12209 | .err_handler = &lpfc_err_handler, |
dea3101e JB |
12210 | }; |
12211 | ||
3ef6d24c | 12212 | static const struct file_operations lpfc_mgmt_fop = { |
858feacd | 12213 | .owner = THIS_MODULE, |
3ef6d24c JS |
12214 | }; |
12215 | ||
12216 | static struct miscdevice lpfc_mgmt_dev = { | |
12217 | .minor = MISC_DYNAMIC_MINOR, | |
12218 | .name = "lpfcmgmt", | |
12219 | .fops = &lpfc_mgmt_fop, | |
12220 | }; | |
12221 | ||
e59058c4 | 12222 | /** |
3621a710 | 12223 | * lpfc_init - lpfc module initialization routine |
e59058c4 JS |
12224 | * |
12225 | * This routine is to be invoked when the lpfc module is loaded into the | |
12226 | * kernel. The special kernel macro module_init() is used to indicate the | |
12227 | * role of this routine to the kernel as lpfc module entry point. | |
12228 | * | |
12229 | * Return codes | |
12230 | * 0 - successful | |
12231 | * -ENOMEM - FC attach transport failed | |
12232 | * all others - failed | |
12233 | */ | |
dea3101e JB |
12234 | static int __init |
12235 | lpfc_init(void) | |
12236 | { | |
12237 | int error = 0; | |
12238 | ||
12239 | printk(LPFC_MODULE_DESC "\n"); | |
c44ce173 | 12240 | printk(LPFC_COPYRIGHT "\n"); |
dea3101e | 12241 | |
3ef6d24c JS |
12242 | error = misc_register(&lpfc_mgmt_dev); |
12243 | if (error) | |
12244 | printk(KERN_ERR "Could not register lpfcmgmt device, " | |
12245 | "misc_register returned with status %d", error); | |
12246 | ||
458c083e JS |
12247 | lpfc_transport_functions.vport_create = lpfc_vport_create; |
12248 | lpfc_transport_functions.vport_delete = lpfc_vport_delete; | |
dea3101e JB |
12249 | lpfc_transport_template = |
12250 | fc_attach_transport(&lpfc_transport_functions); | |
7ee5d43e | 12251 | if (lpfc_transport_template == NULL) |
dea3101e | 12252 | return -ENOMEM; |
458c083e JS |
12253 | lpfc_vport_transport_template = |
12254 | fc_attach_transport(&lpfc_vport_transport_functions); | |
12255 | if (lpfc_vport_transport_template == NULL) { | |
12256 | fc_release_transport(lpfc_transport_template); | |
12257 | return -ENOMEM; | |
7ee5d43e | 12258 | } |
7bb03bbf JS |
12259 | |
12260 | /* Initialize in case vector mapping is needed */ | |
b246de17 | 12261 | lpfc_used_cpu = NULL; |
2ea259ee | 12262 | lpfc_present_cpu = num_present_cpus(); |
7bb03bbf | 12263 | |
dea3101e | 12264 | error = pci_register_driver(&lpfc_driver); |
92d7f7b0 | 12265 | if (error) { |
dea3101e | 12266 | fc_release_transport(lpfc_transport_template); |
458c083e | 12267 | fc_release_transport(lpfc_vport_transport_template); |
92d7f7b0 | 12268 | } |
dea3101e JB |
12269 | |
12270 | return error; | |
12271 | } | |
12272 | ||
e59058c4 | 12273 | /** |
3621a710 | 12274 | * lpfc_exit - lpfc module removal routine |
e59058c4 JS |
12275 | * |
12276 | * This routine is invoked when the lpfc module is removed from the kernel. | |
12277 | * The special kernel macro module_exit() is used to indicate the role of | |
12278 | * this routine to the kernel as lpfc module exit point. | |
12279 | */ | |
dea3101e JB |
12280 | static void __exit |
12281 | lpfc_exit(void) | |
12282 | { | |
3ef6d24c | 12283 | misc_deregister(&lpfc_mgmt_dev); |
dea3101e JB |
12284 | pci_unregister_driver(&lpfc_driver); |
12285 | fc_release_transport(lpfc_transport_template); | |
458c083e | 12286 | fc_release_transport(lpfc_vport_transport_template); |
81301a9b | 12287 | if (_dump_buf_data) { |
6a9c52cf JS |
12288 | printk(KERN_ERR "9062 BLKGRD: freeing %lu pages for " |
12289 | "_dump_buf_data at 0x%p\n", | |
81301a9b JS |
12290 | (1L << _dump_buf_data_order), _dump_buf_data); |
12291 | free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order); | |
12292 | } | |
12293 | ||
12294 | if (_dump_buf_dif) { | |
6a9c52cf JS |
12295 | printk(KERN_ERR "9049 BLKGRD: freeing %lu pages for " |
12296 | "_dump_buf_dif at 0x%p\n", | |
81301a9b JS |
12297 | (1L << _dump_buf_dif_order), _dump_buf_dif); |
12298 | free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order); | |
12299 | } | |
b246de17 | 12300 | kfree(lpfc_used_cpu); |
7973967f | 12301 | idr_destroy(&lpfc_hba_index); |
dea3101e JB |
12302 | } |
12303 | ||
12304 | module_init(lpfc_init); | |
12305 | module_exit(lpfc_exit); | |
12306 | MODULE_LICENSE("GPL"); | |
12307 | MODULE_DESCRIPTION(LPFC_MODULE_DESC); | |
d080abe0 | 12308 | MODULE_AUTHOR("Broadcom"); |
dea3101e | 12309 | MODULE_VERSION("0:" LPFC_DRIVER_VERSION); |