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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. * |
d4379acd | 4 | * Copyright (C) 2004-2012 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e JB |
8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e JB |
20 | *******************************************************************/ |
21 | ||
dea3101e JB |
22 | #include <linux/blkdev.h> |
23 | #include <linux/delay.h> | |
24 | #include <linux/dma-mapping.h> | |
25 | #include <linux/idr.h> | |
26 | #include <linux/interrupt.h> | |
acf3368f | 27 | #include <linux/module.h> |
dea3101e JB |
28 | #include <linux/kthread.h> |
29 | #include <linux/pci.h> | |
30 | #include <linux/spinlock.h> | |
92d7f7b0 | 31 | #include <linux/ctype.h> |
0d878419 | 32 | #include <linux/aer.h> |
5a0e3ad6 | 33 | #include <linux/slab.h> |
52d52440 | 34 | #include <linux/firmware.h> |
3ef6d24c | 35 | #include <linux/miscdevice.h> |
7bb03bbf | 36 | #include <linux/percpu.h> |
dea3101e | 37 | |
91886523 | 38 | #include <scsi/scsi.h> |
dea3101e JB |
39 | #include <scsi/scsi_device.h> |
40 | #include <scsi/scsi_host.h> | |
41 | #include <scsi/scsi_transport_fc.h> | |
42 | ||
da0436e9 | 43 | #include "lpfc_hw4.h" |
dea3101e JB |
44 | #include "lpfc_hw.h" |
45 | #include "lpfc_sli.h" | |
da0436e9 | 46 | #include "lpfc_sli4.h" |
ea2151b4 | 47 | #include "lpfc_nl.h" |
dea3101e JB |
48 | #include "lpfc_disc.h" |
49 | #include "lpfc_scsi.h" | |
50 | #include "lpfc.h" | |
51 | #include "lpfc_logmsg.h" | |
52 | #include "lpfc_crtn.h" | |
92d7f7b0 | 53 | #include "lpfc_vport.h" |
dea3101e JB |
54 | #include "lpfc_version.h" |
55 | ||
81301a9b JS |
56 | char *_dump_buf_data; |
57 | unsigned long _dump_buf_data_order; | |
58 | char *_dump_buf_dif; | |
59 | unsigned long _dump_buf_dif_order; | |
60 | spinlock_t _dump_buf_lock; | |
61 | ||
7bb03bbf JS |
62 | /* Used when mapping IRQ vectors in a driver centric manner */ |
63 | uint16_t lpfc_used_cpu[LPFC_MAX_CPU]; | |
64 | ||
dea3101e JB |
65 | static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *); |
66 | static int lpfc_post_rcv_buf(struct lpfc_hba *); | |
5350d872 | 67 | static int lpfc_sli4_queue_verify(struct lpfc_hba *); |
da0436e9 JS |
68 | static int lpfc_create_bootstrap_mbox(struct lpfc_hba *); |
69 | static int lpfc_setup_endian_order(struct lpfc_hba *); | |
da0436e9 | 70 | static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba *); |
8a9d2e80 JS |
71 | static void lpfc_free_els_sgl_list(struct lpfc_hba *); |
72 | static void lpfc_init_sgl_list(struct lpfc_hba *); | |
da0436e9 JS |
73 | static int lpfc_init_active_sgl_array(struct lpfc_hba *); |
74 | static void lpfc_free_active_sgl(struct lpfc_hba *); | |
75 | static int lpfc_hba_down_post_s3(struct lpfc_hba *phba); | |
76 | static int lpfc_hba_down_post_s4(struct lpfc_hba *phba); | |
77 | static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba *); | |
78 | static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *); | |
79 | static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *); | |
618a5230 JS |
80 | static void lpfc_sli4_disable_intr(struct lpfc_hba *); |
81 | static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba *, uint32_t); | |
dea3101e JB |
82 | |
83 | static struct scsi_transport_template *lpfc_transport_template = NULL; | |
92d7f7b0 | 84 | static struct scsi_transport_template *lpfc_vport_transport_template = NULL; |
dea3101e JB |
85 | static DEFINE_IDR(lpfc_hba_index); |
86 | ||
e59058c4 | 87 | /** |
3621a710 | 88 | * lpfc_config_port_prep - Perform lpfc initialization prior to config port |
e59058c4 JS |
89 | * @phba: pointer to lpfc hba data structure. |
90 | * | |
91 | * This routine will do LPFC initialization prior to issuing the CONFIG_PORT | |
92 | * mailbox command. It retrieves the revision information from the HBA and | |
93 | * collects the Vital Product Data (VPD) about the HBA for preparing the | |
94 | * configuration of the HBA. | |
95 | * | |
96 | * Return codes: | |
97 | * 0 - success. | |
98 | * -ERESTART - requests the SLI layer to reset the HBA and try again. | |
99 | * Any other value - indicates an error. | |
100 | **/ | |
dea3101e | 101 | int |
2e0fef85 | 102 | lpfc_config_port_prep(struct lpfc_hba *phba) |
dea3101e JB |
103 | { |
104 | lpfc_vpd_t *vp = &phba->vpd; | |
105 | int i = 0, rc; | |
106 | LPFC_MBOXQ_t *pmb; | |
107 | MAILBOX_t *mb; | |
108 | char *lpfc_vpd_data = NULL; | |
109 | uint16_t offset = 0; | |
110 | static char licensed[56] = | |
111 | "key unlock for use with gnu public licensed code only\0"; | |
65a29c16 | 112 | static int init_key = 1; |
dea3101e JB |
113 | |
114 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
115 | if (!pmb) { | |
2e0fef85 | 116 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
117 | return -ENOMEM; |
118 | } | |
119 | ||
04c68496 | 120 | mb = &pmb->u.mb; |
2e0fef85 | 121 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e JB |
122 | |
123 | if (lpfc_is_LC_HBA(phba->pcidev->device)) { | |
65a29c16 JS |
124 | if (init_key) { |
125 | uint32_t *ptext = (uint32_t *) licensed; | |
dea3101e | 126 | |
65a29c16 JS |
127 | for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) |
128 | *ptext = cpu_to_be32(*ptext); | |
129 | init_key = 0; | |
130 | } | |
dea3101e JB |
131 | |
132 | lpfc_read_nv(phba, pmb); | |
133 | memset((char*)mb->un.varRDnvp.rsvd3, 0, | |
134 | sizeof (mb->un.varRDnvp.rsvd3)); | |
135 | memcpy((char*)mb->un.varRDnvp.rsvd3, licensed, | |
136 | sizeof (licensed)); | |
137 | ||
138 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
139 | ||
140 | if (rc != MBX_SUCCESS) { | |
ed957684 | 141 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
e8b62011 | 142 | "0324 Config Port initialization " |
dea3101e JB |
143 | "error, mbxCmd x%x READ_NVPARM, " |
144 | "mbxStatus x%x\n", | |
dea3101e JB |
145 | mb->mbxCommand, mb->mbxStatus); |
146 | mempool_free(pmb, phba->mbox_mem_pool); | |
147 | return -ERESTART; | |
148 | } | |
149 | memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename, | |
2e0fef85 JS |
150 | sizeof(phba->wwnn)); |
151 | memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname, | |
152 | sizeof(phba->wwpn)); | |
dea3101e JB |
153 | } |
154 | ||
92d7f7b0 JS |
155 | phba->sli3_options = 0x0; |
156 | ||
dea3101e JB |
157 | /* Setup and issue mailbox READ REV command */ |
158 | lpfc_read_rev(phba, pmb); | |
159 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
160 | if (rc != MBX_SUCCESS) { | |
ed957684 | 161 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 162 | "0439 Adapter failed to init, mbxCmd x%x " |
dea3101e | 163 | "READ_REV, mbxStatus x%x\n", |
dea3101e JB |
164 | mb->mbxCommand, mb->mbxStatus); |
165 | mempool_free( pmb, phba->mbox_mem_pool); | |
166 | return -ERESTART; | |
167 | } | |
168 | ||
92d7f7b0 | 169 | |
1de933f3 JSEC |
170 | /* |
171 | * The value of rr must be 1 since the driver set the cv field to 1. | |
172 | * This setting requires the FW to set all revision fields. | |
dea3101e | 173 | */ |
1de933f3 | 174 | if (mb->un.varRdRev.rr == 0) { |
dea3101e | 175 | vp->rev.rBit = 0; |
1de933f3 | 176 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 JS |
177 | "0440 Adapter failed to init, READ_REV has " |
178 | "missing revision information.\n"); | |
dea3101e JB |
179 | mempool_free(pmb, phba->mbox_mem_pool); |
180 | return -ERESTART; | |
dea3101e JB |
181 | } |
182 | ||
495a714c JS |
183 | if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) { |
184 | mempool_free(pmb, phba->mbox_mem_pool); | |
ed957684 | 185 | return -EINVAL; |
495a714c | 186 | } |
ed957684 | 187 | |
dea3101e | 188 | /* Save information as VPD data */ |
1de933f3 | 189 | vp->rev.rBit = 1; |
92d7f7b0 | 190 | memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t)); |
1de933f3 JSEC |
191 | vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; |
192 | memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16); | |
193 | vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; | |
194 | memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16); | |
dea3101e JB |
195 | vp->rev.biuRev = mb->un.varRdRev.biuRev; |
196 | vp->rev.smRev = mb->un.varRdRev.smRev; | |
197 | vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; | |
198 | vp->rev.endecRev = mb->un.varRdRev.endecRev; | |
199 | vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; | |
200 | vp->rev.fcphLow = mb->un.varRdRev.fcphLow; | |
201 | vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; | |
202 | vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; | |
203 | vp->rev.postKernRev = mb->un.varRdRev.postKernRev; | |
204 | vp->rev.opFwRev = mb->un.varRdRev.opFwRev; | |
205 | ||
92d7f7b0 JS |
206 | /* If the sli feature level is less then 9, we must |
207 | * tear down all RPIs and VPIs on link down if NPIV | |
208 | * is enabled. | |
209 | */ | |
210 | if (vp->rev.feaLevelHigh < 9) | |
211 | phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN; | |
212 | ||
dea3101e JB |
213 | if (lpfc_is_LC_HBA(phba->pcidev->device)) |
214 | memcpy(phba->RandomData, (char *)&mb->un.varWords[24], | |
215 | sizeof (phba->RandomData)); | |
216 | ||
dea3101e | 217 | /* Get adapter VPD information */ |
dea3101e JB |
218 | lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); |
219 | if (!lpfc_vpd_data) | |
d7c255b2 | 220 | goto out_free_mbox; |
dea3101e | 221 | do { |
a0c87cbd | 222 | lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD); |
dea3101e JB |
223 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
224 | ||
225 | if (rc != MBX_SUCCESS) { | |
226 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 | 227 | "0441 VPD not present on adapter, " |
dea3101e | 228 | "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", |
dea3101e | 229 | mb->mbxCommand, mb->mbxStatus); |
74b72a59 | 230 | mb->un.varDmp.word_cnt = 0; |
dea3101e | 231 | } |
04c68496 JS |
232 | /* dump mem may return a zero when finished or we got a |
233 | * mailbox error, either way we are done. | |
234 | */ | |
235 | if (mb->un.varDmp.word_cnt == 0) | |
236 | break; | |
74b72a59 JW |
237 | if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset) |
238 | mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset; | |
d7c255b2 JS |
239 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, |
240 | lpfc_vpd_data + offset, | |
92d7f7b0 | 241 | mb->un.varDmp.word_cnt); |
dea3101e | 242 | offset += mb->un.varDmp.word_cnt; |
74b72a59 JW |
243 | } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE); |
244 | lpfc_parse_vpd(phba, lpfc_vpd_data, offset); | |
dea3101e JB |
245 | |
246 | kfree(lpfc_vpd_data); | |
dea3101e JB |
247 | out_free_mbox: |
248 | mempool_free(pmb, phba->mbox_mem_pool); | |
249 | return 0; | |
250 | } | |
251 | ||
e59058c4 | 252 | /** |
3621a710 | 253 | * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd |
e59058c4 JS |
254 | * @phba: pointer to lpfc hba data structure. |
255 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
256 | * | |
257 | * This is the completion handler for driver's configuring asynchronous event | |
258 | * mailbox command to the device. If the mailbox command returns successfully, | |
259 | * it will set internal async event support flag to 1; otherwise, it will | |
260 | * set internal async event support flag to 0. | |
261 | **/ | |
57127f15 JS |
262 | static void |
263 | lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
264 | { | |
04c68496 | 265 | if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS) |
57127f15 JS |
266 | phba->temp_sensor_support = 1; |
267 | else | |
268 | phba->temp_sensor_support = 0; | |
269 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
270 | return; | |
271 | } | |
272 | ||
97207482 | 273 | /** |
3621a710 | 274 | * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler |
97207482 JS |
275 | * @phba: pointer to lpfc hba data structure. |
276 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
277 | * | |
278 | * This is the completion handler for dump mailbox command for getting | |
279 | * wake up parameters. When this command complete, the response contain | |
280 | * Option rom version of the HBA. This function translate the version number | |
281 | * into a human readable string and store it in OptionROMVersion. | |
282 | **/ | |
283 | static void | |
284 | lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) | |
285 | { | |
286 | struct prog_id *prg; | |
287 | uint32_t prog_id_word; | |
288 | char dist = ' '; | |
289 | /* character array used for decoding dist type. */ | |
290 | char dist_char[] = "nabx"; | |
291 | ||
04c68496 | 292 | if (pmboxq->u.mb.mbxStatus != MBX_SUCCESS) { |
9f1e1b50 | 293 | mempool_free(pmboxq, phba->mbox_mem_pool); |
97207482 | 294 | return; |
9f1e1b50 | 295 | } |
97207482 JS |
296 | |
297 | prg = (struct prog_id *) &prog_id_word; | |
298 | ||
299 | /* word 7 contain option rom version */ | |
04c68496 | 300 | prog_id_word = pmboxq->u.mb.un.varWords[7]; |
97207482 JS |
301 | |
302 | /* Decode the Option rom version word to a readable string */ | |
303 | if (prg->dist < 4) | |
304 | dist = dist_char[prg->dist]; | |
305 | ||
306 | if ((prg->dist == 3) && (prg->num == 0)) | |
307 | sprintf(phba->OptionROMVersion, "%d.%d%d", | |
308 | prg->ver, prg->rev, prg->lev); | |
309 | else | |
310 | sprintf(phba->OptionROMVersion, "%d.%d%d%c%d", | |
311 | prg->ver, prg->rev, prg->lev, | |
312 | dist, prg->num); | |
9f1e1b50 | 313 | mempool_free(pmboxq, phba->mbox_mem_pool); |
97207482 JS |
314 | return; |
315 | } | |
316 | ||
0558056c JS |
317 | /** |
318 | * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname, | |
319 | * cfg_soft_wwnn, cfg_soft_wwpn | |
320 | * @vport: pointer to lpfc vport data structure. | |
321 | * | |
322 | * | |
323 | * Return codes | |
324 | * None. | |
325 | **/ | |
326 | void | |
327 | lpfc_update_vport_wwn(struct lpfc_vport *vport) | |
328 | { | |
329 | /* If the soft name exists then update it using the service params */ | |
330 | if (vport->phba->cfg_soft_wwnn) | |
331 | u64_to_wwn(vport->phba->cfg_soft_wwnn, | |
332 | vport->fc_sparam.nodeName.u.wwn); | |
333 | if (vport->phba->cfg_soft_wwpn) | |
334 | u64_to_wwn(vport->phba->cfg_soft_wwpn, | |
335 | vport->fc_sparam.portName.u.wwn); | |
336 | ||
337 | /* | |
338 | * If the name is empty or there exists a soft name | |
339 | * then copy the service params name, otherwise use the fc name | |
340 | */ | |
341 | if (vport->fc_nodename.u.wwn[0] == 0 || vport->phba->cfg_soft_wwnn) | |
342 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, | |
343 | sizeof(struct lpfc_name)); | |
344 | else | |
345 | memcpy(&vport->fc_sparam.nodeName, &vport->fc_nodename, | |
346 | sizeof(struct lpfc_name)); | |
347 | ||
348 | if (vport->fc_portname.u.wwn[0] == 0 || vport->phba->cfg_soft_wwpn) | |
349 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, | |
350 | sizeof(struct lpfc_name)); | |
351 | else | |
352 | memcpy(&vport->fc_sparam.portName, &vport->fc_portname, | |
353 | sizeof(struct lpfc_name)); | |
354 | } | |
355 | ||
e59058c4 | 356 | /** |
3621a710 | 357 | * lpfc_config_port_post - Perform lpfc initialization after config port |
e59058c4 JS |
358 | * @phba: pointer to lpfc hba data structure. |
359 | * | |
360 | * This routine will do LPFC initialization after the CONFIG_PORT mailbox | |
361 | * command call. It performs all internal resource and state setups on the | |
362 | * port: post IOCB buffers, enable appropriate host interrupt attentions, | |
363 | * ELS ring timers, etc. | |
364 | * | |
365 | * Return codes | |
366 | * 0 - success. | |
367 | * Any other value - error. | |
368 | **/ | |
dea3101e | 369 | int |
2e0fef85 | 370 | lpfc_config_port_post(struct lpfc_hba *phba) |
dea3101e | 371 | { |
2e0fef85 | 372 | struct lpfc_vport *vport = phba->pport; |
a257bf90 | 373 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e JB |
374 | LPFC_MBOXQ_t *pmb; |
375 | MAILBOX_t *mb; | |
376 | struct lpfc_dmabuf *mp; | |
377 | struct lpfc_sli *psli = &phba->sli; | |
378 | uint32_t status, timeout; | |
2e0fef85 JS |
379 | int i, j; |
380 | int rc; | |
dea3101e | 381 | |
7af67051 JS |
382 | spin_lock_irq(&phba->hbalock); |
383 | /* | |
384 | * If the Config port completed correctly the HBA is not | |
385 | * over heated any more. | |
386 | */ | |
387 | if (phba->over_temp_state == HBA_OVER_TEMP) | |
388 | phba->over_temp_state = HBA_NORMAL_TEMP; | |
389 | spin_unlock_irq(&phba->hbalock); | |
390 | ||
dea3101e JB |
391 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
392 | if (!pmb) { | |
2e0fef85 | 393 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
394 | return -ENOMEM; |
395 | } | |
04c68496 | 396 | mb = &pmb->u.mb; |
dea3101e | 397 | |
dea3101e | 398 | /* Get login parameters for NID. */ |
9f1177a3 JS |
399 | rc = lpfc_read_sparam(phba, pmb, 0); |
400 | if (rc) { | |
401 | mempool_free(pmb, phba->mbox_mem_pool); | |
402 | return -ENOMEM; | |
403 | } | |
404 | ||
ed957684 | 405 | pmb->vport = vport; |
dea3101e | 406 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 407 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 408 | "0448 Adapter failed init, mbxCmd x%x " |
dea3101e | 409 | "READ_SPARM mbxStatus x%x\n", |
dea3101e | 410 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 411 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 412 | mp = (struct lpfc_dmabuf *) pmb->context1; |
9f1177a3 | 413 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e JB |
414 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
415 | kfree(mp); | |
416 | return -EIO; | |
417 | } | |
418 | ||
419 | mp = (struct lpfc_dmabuf *) pmb->context1; | |
420 | ||
2e0fef85 | 421 | memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); |
dea3101e JB |
422 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
423 | kfree(mp); | |
424 | pmb->context1 = NULL; | |
0558056c | 425 | lpfc_update_vport_wwn(vport); |
a257bf90 JS |
426 | |
427 | /* Update the fc_host data structures with new wwn. */ | |
428 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); | |
429 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
21e9a0a5 | 430 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
a257bf90 | 431 | |
dea3101e JB |
432 | /* If no serial number in VPD data, use low 6 bytes of WWNN */ |
433 | /* This should be consolidated into parse_vpd ? - mr */ | |
434 | if (phba->SerialNumber[0] == 0) { | |
435 | uint8_t *outptr; | |
436 | ||
2e0fef85 | 437 | outptr = &vport->fc_nodename.u.s.IEEE[0]; |
dea3101e JB |
438 | for (i = 0; i < 12; i++) { |
439 | status = *outptr++; | |
440 | j = ((status & 0xf0) >> 4); | |
441 | if (j <= 9) | |
442 | phba->SerialNumber[i] = | |
443 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
444 | else | |
445 | phba->SerialNumber[i] = | |
446 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
447 | i++; | |
448 | j = (status & 0xf); | |
449 | if (j <= 9) | |
450 | phba->SerialNumber[i] = | |
451 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
452 | else | |
453 | phba->SerialNumber[i] = | |
454 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
455 | } | |
456 | } | |
457 | ||
dea3101e | 458 | lpfc_read_config(phba, pmb); |
ed957684 | 459 | pmb->vport = vport; |
dea3101e | 460 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 461 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 462 | "0453 Adapter failed to init, mbxCmd x%x " |
dea3101e | 463 | "READ_CONFIG, mbxStatus x%x\n", |
dea3101e | 464 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 465 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
466 | mempool_free( pmb, phba->mbox_mem_pool); |
467 | return -EIO; | |
468 | } | |
469 | ||
a0c87cbd JS |
470 | /* Check if the port is disabled */ |
471 | lpfc_sli_read_link_ste(phba); | |
472 | ||
dea3101e JB |
473 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ |
474 | if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1)) | |
475 | phba->cfg_hba_queue_depth = | |
f1126688 JS |
476 | (mb->un.varRdConfig.max_xri + 1) - |
477 | lpfc_sli4_get_els_iocb_cnt(phba); | |
dea3101e JB |
478 | |
479 | phba->lmt = mb->un.varRdConfig.lmt; | |
74b72a59 JW |
480 | |
481 | /* Get the default values for Model Name and Description */ | |
482 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
483 | ||
2e0fef85 | 484 | phba->link_state = LPFC_LINK_DOWN; |
dea3101e | 485 | |
0b727fea | 486 | /* Only process IOCBs on ELS ring till hba_state is READY */ |
7e56aa25 | 487 | if (psli->ring[psli->extra_ring].sli.sli3.cmdringaddr) |
a4bc3379 | 488 | psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT; |
7e56aa25 | 489 | if (psli->ring[psli->fcp_ring].sli.sli3.cmdringaddr) |
dea3101e | 490 | psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; |
7e56aa25 | 491 | if (psli->ring[psli->next_ring].sli.sli3.cmdringaddr) |
dea3101e JB |
492 | psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT; |
493 | ||
494 | /* Post receive buffers for desired rings */ | |
ed957684 JS |
495 | if (phba->sli_rev != 3) |
496 | lpfc_post_rcv_buf(phba); | |
dea3101e | 497 | |
9399627f JS |
498 | /* |
499 | * Configure HBA MSI-X attention conditions to messages if MSI-X mode | |
500 | */ | |
501 | if (phba->intr_type == MSIX) { | |
502 | rc = lpfc_config_msi(phba, pmb); | |
503 | if (rc) { | |
504 | mempool_free(pmb, phba->mbox_mem_pool); | |
505 | return -EIO; | |
506 | } | |
507 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
508 | if (rc != MBX_SUCCESS) { | |
509 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
510 | "0352 Config MSI mailbox command " | |
511 | "failed, mbxCmd x%x, mbxStatus x%x\n", | |
04c68496 JS |
512 | pmb->u.mb.mbxCommand, |
513 | pmb->u.mb.mbxStatus); | |
9399627f JS |
514 | mempool_free(pmb, phba->mbox_mem_pool); |
515 | return -EIO; | |
516 | } | |
517 | } | |
518 | ||
04c68496 | 519 | spin_lock_irq(&phba->hbalock); |
9399627f JS |
520 | /* Initialize ERATT handling flag */ |
521 | phba->hba_flag &= ~HBA_ERATT_HANDLED; | |
522 | ||
dea3101e | 523 | /* Enable appropriate host interrupts */ |
9940b97b JS |
524 | if (lpfc_readl(phba->HCregaddr, &status)) { |
525 | spin_unlock_irq(&phba->hbalock); | |
526 | return -EIO; | |
527 | } | |
dea3101e JB |
528 | status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; |
529 | if (psli->num_rings > 0) | |
530 | status |= HC_R0INT_ENA; | |
531 | if (psli->num_rings > 1) | |
532 | status |= HC_R1INT_ENA; | |
533 | if (psli->num_rings > 2) | |
534 | status |= HC_R2INT_ENA; | |
535 | if (psli->num_rings > 3) | |
536 | status |= HC_R3INT_ENA; | |
537 | ||
875fbdfe JSEC |
538 | if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && |
539 | (phba->cfg_poll & DISABLE_FCP_RING_INT)) | |
9399627f | 540 | status &= ~(HC_R0INT_ENA); |
875fbdfe | 541 | |
dea3101e JB |
542 | writel(status, phba->HCregaddr); |
543 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 544 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 545 | |
9399627f JS |
546 | /* Set up ring-0 (ELS) timer */ |
547 | timeout = phba->fc_ratov * 2; | |
256ec0d0 JS |
548 | mod_timer(&vport->els_tmofunc, |
549 | jiffies + msecs_to_jiffies(1000 * timeout)); | |
9399627f | 550 | /* Set up heart beat (HB) timer */ |
256ec0d0 JS |
551 | mod_timer(&phba->hb_tmofunc, |
552 | jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); | |
858c9f6c JS |
553 | phba->hb_outstanding = 0; |
554 | phba->last_completion_time = jiffies; | |
9399627f | 555 | /* Set up error attention (ERATT) polling timer */ |
256ec0d0 JS |
556 | mod_timer(&phba->eratt_poll, |
557 | jiffies + msecs_to_jiffies(1000 * LPFC_ERATT_POLL_INTERVAL)); | |
dea3101e | 558 | |
a0c87cbd JS |
559 | if (phba->hba_flag & LINK_DISABLED) { |
560 | lpfc_printf_log(phba, | |
561 | KERN_ERR, LOG_INIT, | |
562 | "2598 Adapter Link is disabled.\n"); | |
563 | lpfc_down_link(phba, pmb); | |
564 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
565 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
566 | if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) { | |
567 | lpfc_printf_log(phba, | |
568 | KERN_ERR, LOG_INIT, | |
569 | "2599 Adapter failed to issue DOWN_LINK" | |
570 | " mbox command rc 0x%x\n", rc); | |
571 | ||
572 | mempool_free(pmb, phba->mbox_mem_pool); | |
573 | return -EIO; | |
574 | } | |
e40a02c1 | 575 | } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) { |
026abb87 JS |
576 | mempool_free(pmb, phba->mbox_mem_pool); |
577 | rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); | |
578 | if (rc) | |
579 | return rc; | |
dea3101e JB |
580 | } |
581 | /* MBOX buffer will be freed in mbox compl */ | |
57127f15 | 582 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
9f1177a3 JS |
583 | if (!pmb) { |
584 | phba->link_state = LPFC_HBA_ERROR; | |
585 | return -ENOMEM; | |
586 | } | |
587 | ||
57127f15 JS |
588 | lpfc_config_async(phba, pmb, LPFC_ELS_RING); |
589 | pmb->mbox_cmpl = lpfc_config_async_cmpl; | |
590 | pmb->vport = phba->pport; | |
591 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
dea3101e | 592 | |
57127f15 JS |
593 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { |
594 | lpfc_printf_log(phba, | |
595 | KERN_ERR, | |
596 | LOG_INIT, | |
597 | "0456 Adapter failed to issue " | |
e4e74273 | 598 | "ASYNCEVT_ENABLE mbox status x%x\n", |
57127f15 JS |
599 | rc); |
600 | mempool_free(pmb, phba->mbox_mem_pool); | |
601 | } | |
97207482 JS |
602 | |
603 | /* Get Option rom version */ | |
604 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
9f1177a3 JS |
605 | if (!pmb) { |
606 | phba->link_state = LPFC_HBA_ERROR; | |
607 | return -ENOMEM; | |
608 | } | |
609 | ||
97207482 JS |
610 | lpfc_dump_wakeup_param(phba, pmb); |
611 | pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl; | |
612 | pmb->vport = phba->pport; | |
613 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
614 | ||
615 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { | |
616 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed " | |
e4e74273 | 617 | "to get Option ROM version status x%x\n", rc); |
97207482 JS |
618 | mempool_free(pmb, phba->mbox_mem_pool); |
619 | } | |
620 | ||
d7c255b2 | 621 | return 0; |
ce8b3ce5 JS |
622 | } |
623 | ||
84d1b006 JS |
624 | /** |
625 | * lpfc_hba_init_link - Initialize the FC link | |
626 | * @phba: pointer to lpfc hba data structure. | |
6e7288d9 | 627 | * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT |
84d1b006 JS |
628 | * |
629 | * This routine will issue the INIT_LINK mailbox command call. | |
630 | * It is available to other drivers through the lpfc_hba data | |
631 | * structure for use as a delayed link up mechanism with the | |
632 | * module parameter lpfc_suppress_link_up. | |
633 | * | |
634 | * Return code | |
635 | * 0 - success | |
636 | * Any other value - error | |
637 | **/ | |
638 | int | |
6e7288d9 | 639 | lpfc_hba_init_link(struct lpfc_hba *phba, uint32_t flag) |
1b51197d JS |
640 | { |
641 | return lpfc_hba_init_link_fc_topology(phba, phba->cfg_topology, flag); | |
642 | } | |
643 | ||
644 | /** | |
645 | * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology | |
646 | * @phba: pointer to lpfc hba data structure. | |
647 | * @fc_topology: desired fc topology. | |
648 | * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT | |
649 | * | |
650 | * This routine will issue the INIT_LINK mailbox command call. | |
651 | * It is available to other drivers through the lpfc_hba data | |
652 | * structure for use as a delayed link up mechanism with the | |
653 | * module parameter lpfc_suppress_link_up. | |
654 | * | |
655 | * Return code | |
656 | * 0 - success | |
657 | * Any other value - error | |
658 | **/ | |
659 | int | |
660 | lpfc_hba_init_link_fc_topology(struct lpfc_hba *phba, uint32_t fc_topology, | |
661 | uint32_t flag) | |
84d1b006 JS |
662 | { |
663 | struct lpfc_vport *vport = phba->pport; | |
664 | LPFC_MBOXQ_t *pmb; | |
665 | MAILBOX_t *mb; | |
666 | int rc; | |
667 | ||
668 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
669 | if (!pmb) { | |
670 | phba->link_state = LPFC_HBA_ERROR; | |
671 | return -ENOMEM; | |
672 | } | |
673 | mb = &pmb->u.mb; | |
674 | pmb->vport = vport; | |
675 | ||
026abb87 JS |
676 | if ((phba->cfg_link_speed > LPFC_USER_LINK_SPEED_MAX) || |
677 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_1G) && | |
678 | !(phba->lmt & LMT_1Gb)) || | |
679 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_2G) && | |
680 | !(phba->lmt & LMT_2Gb)) || | |
681 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_4G) && | |
682 | !(phba->lmt & LMT_4Gb)) || | |
683 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_8G) && | |
684 | !(phba->lmt & LMT_8Gb)) || | |
685 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_10G) && | |
686 | !(phba->lmt & LMT_10Gb)) || | |
687 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G) && | |
688 | !(phba->lmt & LMT_16Gb))) { | |
689 | /* Reset link speed to auto */ | |
690 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
691 | "1302 Invalid speed for this board:%d " | |
692 | "Reset link speed to auto.\n", | |
693 | phba->cfg_link_speed); | |
694 | phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO; | |
695 | } | |
1b51197d | 696 | lpfc_init_link(phba, pmb, fc_topology, phba->cfg_link_speed); |
84d1b006 | 697 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
1b51197d JS |
698 | if (phba->sli_rev < LPFC_SLI_REV4) |
699 | lpfc_set_loopback_flag(phba); | |
6e7288d9 | 700 | rc = lpfc_sli_issue_mbox(phba, pmb, flag); |
76a95d75 | 701 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { |
84d1b006 JS |
702 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
703 | "0498 Adapter failed to init, mbxCmd x%x " | |
704 | "INIT_LINK, mbxStatus x%x\n", | |
705 | mb->mbxCommand, mb->mbxStatus); | |
76a95d75 JS |
706 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
707 | /* Clear all interrupt enable conditions */ | |
708 | writel(0, phba->HCregaddr); | |
709 | readl(phba->HCregaddr); /* flush */ | |
710 | /* Clear all pending interrupts */ | |
711 | writel(0xffffffff, phba->HAregaddr); | |
712 | readl(phba->HAregaddr); /* flush */ | |
713 | } | |
84d1b006 | 714 | phba->link_state = LPFC_HBA_ERROR; |
6e7288d9 | 715 | if (rc != MBX_BUSY || flag == MBX_POLL) |
84d1b006 JS |
716 | mempool_free(pmb, phba->mbox_mem_pool); |
717 | return -EIO; | |
718 | } | |
e40a02c1 | 719 | phba->cfg_suppress_link_up = LPFC_INITIALIZE_LINK; |
6e7288d9 JS |
720 | if (flag == MBX_POLL) |
721 | mempool_free(pmb, phba->mbox_mem_pool); | |
84d1b006 JS |
722 | |
723 | return 0; | |
724 | } | |
725 | ||
726 | /** | |
727 | * lpfc_hba_down_link - this routine downs the FC link | |
6e7288d9 JS |
728 | * @phba: pointer to lpfc hba data structure. |
729 | * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT | |
84d1b006 JS |
730 | * |
731 | * This routine will issue the DOWN_LINK mailbox command call. | |
732 | * It is available to other drivers through the lpfc_hba data | |
733 | * structure for use to stop the link. | |
734 | * | |
735 | * Return code | |
736 | * 0 - success | |
737 | * Any other value - error | |
738 | **/ | |
739 | int | |
6e7288d9 | 740 | lpfc_hba_down_link(struct lpfc_hba *phba, uint32_t flag) |
84d1b006 JS |
741 | { |
742 | LPFC_MBOXQ_t *pmb; | |
743 | int rc; | |
744 | ||
745 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
746 | if (!pmb) { | |
747 | phba->link_state = LPFC_HBA_ERROR; | |
748 | return -ENOMEM; | |
749 | } | |
750 | ||
751 | lpfc_printf_log(phba, | |
752 | KERN_ERR, LOG_INIT, | |
753 | "0491 Adapter Link is disabled.\n"); | |
754 | lpfc_down_link(phba, pmb); | |
755 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
6e7288d9 | 756 | rc = lpfc_sli_issue_mbox(phba, pmb, flag); |
84d1b006 JS |
757 | if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) { |
758 | lpfc_printf_log(phba, | |
759 | KERN_ERR, LOG_INIT, | |
760 | "2522 Adapter failed to issue DOWN_LINK" | |
761 | " mbox command rc 0x%x\n", rc); | |
762 | ||
763 | mempool_free(pmb, phba->mbox_mem_pool); | |
764 | return -EIO; | |
765 | } | |
6e7288d9 JS |
766 | if (flag == MBX_POLL) |
767 | mempool_free(pmb, phba->mbox_mem_pool); | |
768 | ||
84d1b006 JS |
769 | return 0; |
770 | } | |
771 | ||
e59058c4 | 772 | /** |
3621a710 | 773 | * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset |
e59058c4 JS |
774 | * @phba: pointer to lpfc HBA data structure. |
775 | * | |
776 | * This routine will do LPFC uninitialization before the HBA is reset when | |
777 | * bringing down the SLI Layer. | |
778 | * | |
779 | * Return codes | |
780 | * 0 - success. | |
781 | * Any other value - error. | |
782 | **/ | |
dea3101e | 783 | int |
2e0fef85 | 784 | lpfc_hba_down_prep(struct lpfc_hba *phba) |
dea3101e | 785 | { |
1b32f6aa JS |
786 | struct lpfc_vport **vports; |
787 | int i; | |
3772a991 JS |
788 | |
789 | if (phba->sli_rev <= LPFC_SLI_REV3) { | |
790 | /* Disable interrupts */ | |
791 | writel(0, phba->HCregaddr); | |
792 | readl(phba->HCregaddr); /* flush */ | |
793 | } | |
dea3101e | 794 | |
1b32f6aa JS |
795 | if (phba->pport->load_flag & FC_UNLOADING) |
796 | lpfc_cleanup_discovery_resources(phba->pport); | |
797 | else { | |
798 | vports = lpfc_create_vport_work_array(phba); | |
799 | if (vports != NULL) | |
3772a991 JS |
800 | for (i = 0; i <= phba->max_vports && |
801 | vports[i] != NULL; i++) | |
1b32f6aa JS |
802 | lpfc_cleanup_discovery_resources(vports[i]); |
803 | lpfc_destroy_vport_work_array(phba, vports); | |
7f5f3d0d JS |
804 | } |
805 | return 0; | |
dea3101e JB |
806 | } |
807 | ||
e59058c4 | 808 | /** |
3772a991 | 809 | * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset |
e59058c4 JS |
810 | * @phba: pointer to lpfc HBA data structure. |
811 | * | |
812 | * This routine will do uninitialization after the HBA is reset when bring | |
813 | * down the SLI Layer. | |
814 | * | |
815 | * Return codes | |
af901ca1 | 816 | * 0 - success. |
e59058c4 JS |
817 | * Any other value - error. |
818 | **/ | |
3772a991 JS |
819 | static int |
820 | lpfc_hba_down_post_s3(struct lpfc_hba *phba) | |
41415862 JW |
821 | { |
822 | struct lpfc_sli *psli = &phba->sli; | |
823 | struct lpfc_sli_ring *pring; | |
824 | struct lpfc_dmabuf *mp, *next_mp; | |
09372820 | 825 | LIST_HEAD(completions); |
41415862 JW |
826 | int i; |
827 | ||
92d7f7b0 JS |
828 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) |
829 | lpfc_sli_hbqbuf_free_all(phba); | |
830 | else { | |
831 | /* Cleanup preposted buffers on the ELS ring */ | |
832 | pring = &psli->ring[LPFC_ELS_RING]; | |
833 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { | |
834 | list_del(&mp->list); | |
835 | pring->postbufq_cnt--; | |
836 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
837 | kfree(mp); | |
838 | } | |
41415862 JW |
839 | } |
840 | ||
09372820 | 841 | spin_lock_irq(&phba->hbalock); |
41415862 JW |
842 | for (i = 0; i < psli->num_rings; i++) { |
843 | pring = &psli->ring[i]; | |
09372820 JS |
844 | |
845 | /* At this point in time the HBA is either reset or DOA. Either | |
846 | * way, nothing should be on txcmplq as it will NEVER complete. | |
847 | */ | |
848 | list_splice_init(&pring->txcmplq, &completions); | |
09372820 JS |
849 | spin_unlock_irq(&phba->hbalock); |
850 | ||
a257bf90 JS |
851 | /* Cancel all the IOCBs from the completions list */ |
852 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
853 | IOERR_SLI_ABORTED); | |
09372820 | 854 | |
41415862 | 855 | lpfc_sli_abort_iocb_ring(phba, pring); |
09372820 | 856 | spin_lock_irq(&phba->hbalock); |
41415862 | 857 | } |
09372820 | 858 | spin_unlock_irq(&phba->hbalock); |
41415862 JW |
859 | |
860 | return 0; | |
861 | } | |
5af5eee7 | 862 | |
da0436e9 JS |
863 | /** |
864 | * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset | |
865 | * @phba: pointer to lpfc HBA data structure. | |
866 | * | |
867 | * This routine will do uninitialization after the HBA is reset when bring | |
868 | * down the SLI Layer. | |
869 | * | |
870 | * Return codes | |
af901ca1 | 871 | * 0 - success. |
da0436e9 JS |
872 | * Any other value - error. |
873 | **/ | |
874 | static int | |
875 | lpfc_hba_down_post_s4(struct lpfc_hba *phba) | |
876 | { | |
877 | struct lpfc_scsi_buf *psb, *psb_next; | |
878 | LIST_HEAD(aborts); | |
879 | int ret; | |
880 | unsigned long iflag = 0; | |
0f65ff68 JS |
881 | struct lpfc_sglq *sglq_entry = NULL; |
882 | ||
da0436e9 JS |
883 | ret = lpfc_hba_down_post_s3(phba); |
884 | if (ret) | |
885 | return ret; | |
886 | /* At this point in time the HBA is either reset or DOA. Either | |
887 | * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be | |
888 | * on the lpfc_sgl_list so that it can either be freed if the | |
889 | * driver is unloading or reposted if the driver is restarting | |
890 | * the port. | |
891 | */ | |
892 | spin_lock_irq(&phba->hbalock); /* required for lpfc_sgl_list and */ | |
893 | /* scsl_buf_list */ | |
894 | /* abts_sgl_list_lock required because worker thread uses this | |
895 | * list. | |
896 | */ | |
897 | spin_lock(&phba->sli4_hba.abts_sgl_list_lock); | |
0f65ff68 JS |
898 | list_for_each_entry(sglq_entry, |
899 | &phba->sli4_hba.lpfc_abts_els_sgl_list, list) | |
900 | sglq_entry->state = SGL_FREED; | |
901 | ||
da0436e9 JS |
902 | list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list, |
903 | &phba->sli4_hba.lpfc_sgl_list); | |
904 | spin_unlock(&phba->sli4_hba.abts_sgl_list_lock); | |
905 | /* abts_scsi_buf_list_lock required because worker thread uses this | |
906 | * list. | |
907 | */ | |
908 | spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
909 | list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list, | |
910 | &aborts); | |
911 | spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
912 | spin_unlock_irq(&phba->hbalock); | |
913 | ||
914 | list_for_each_entry_safe(psb, psb_next, &aborts, list) { | |
915 | psb->pCmd = NULL; | |
916 | psb->status = IOSTAT_SUCCESS; | |
917 | } | |
a40fc5f0 JS |
918 | spin_lock_irqsave(&phba->scsi_buf_list_put_lock, iflag); |
919 | list_splice(&aborts, &phba->lpfc_scsi_buf_list_put); | |
920 | spin_unlock_irqrestore(&phba->scsi_buf_list_put_lock, iflag); | |
da0436e9 JS |
921 | return 0; |
922 | } | |
923 | ||
924 | /** | |
925 | * lpfc_hba_down_post - Wrapper func for hba down post routine | |
926 | * @phba: pointer to lpfc HBA data structure. | |
927 | * | |
928 | * This routine wraps the actual SLI3 or SLI4 routine for performing | |
929 | * uninitialization after the HBA is reset when bring down the SLI Layer. | |
930 | * | |
931 | * Return codes | |
af901ca1 | 932 | * 0 - success. |
da0436e9 JS |
933 | * Any other value - error. |
934 | **/ | |
935 | int | |
936 | lpfc_hba_down_post(struct lpfc_hba *phba) | |
937 | { | |
938 | return (*phba->lpfc_hba_down_post)(phba); | |
939 | } | |
41415862 | 940 | |
e59058c4 | 941 | /** |
3621a710 | 942 | * lpfc_hb_timeout - The HBA-timer timeout handler |
e59058c4 JS |
943 | * @ptr: unsigned long holds the pointer to lpfc hba data structure. |
944 | * | |
945 | * This is the HBA-timer timeout handler registered to the lpfc driver. When | |
946 | * this timer fires, a HBA timeout event shall be posted to the lpfc driver | |
947 | * work-port-events bitmap and the worker thread is notified. This timeout | |
948 | * event will be used by the worker thread to invoke the actual timeout | |
949 | * handler routine, lpfc_hb_timeout_handler. Any periodical operations will | |
950 | * be performed in the timeout handler and the HBA timeout event bit shall | |
951 | * be cleared by the worker thread after it has taken the event bitmap out. | |
952 | **/ | |
a6ababd2 | 953 | static void |
858c9f6c JS |
954 | lpfc_hb_timeout(unsigned long ptr) |
955 | { | |
956 | struct lpfc_hba *phba; | |
5e9d9b82 | 957 | uint32_t tmo_posted; |
858c9f6c JS |
958 | unsigned long iflag; |
959 | ||
960 | phba = (struct lpfc_hba *)ptr; | |
9399627f JS |
961 | |
962 | /* Check for heart beat timeout conditions */ | |
858c9f6c | 963 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); |
5e9d9b82 JS |
964 | tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO; |
965 | if (!tmo_posted) | |
858c9f6c JS |
966 | phba->pport->work_port_events |= WORKER_HB_TMO; |
967 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
968 | ||
9399627f | 969 | /* Tell the worker thread there is work to do */ |
5e9d9b82 JS |
970 | if (!tmo_posted) |
971 | lpfc_worker_wake_up(phba); | |
858c9f6c JS |
972 | return; |
973 | } | |
974 | ||
19ca7609 JS |
975 | /** |
976 | * lpfc_rrq_timeout - The RRQ-timer timeout handler | |
977 | * @ptr: unsigned long holds the pointer to lpfc hba data structure. | |
978 | * | |
979 | * This is the RRQ-timer timeout handler registered to the lpfc driver. When | |
980 | * this timer fires, a RRQ timeout event shall be posted to the lpfc driver | |
981 | * work-port-events bitmap and the worker thread is notified. This timeout | |
982 | * event will be used by the worker thread to invoke the actual timeout | |
983 | * handler routine, lpfc_rrq_handler. Any periodical operations will | |
984 | * be performed in the timeout handler and the RRQ timeout event bit shall | |
985 | * be cleared by the worker thread after it has taken the event bitmap out. | |
986 | **/ | |
987 | static void | |
988 | lpfc_rrq_timeout(unsigned long ptr) | |
989 | { | |
990 | struct lpfc_hba *phba; | |
19ca7609 JS |
991 | unsigned long iflag; |
992 | ||
993 | phba = (struct lpfc_hba *)ptr; | |
994 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); | |
1151e3ec | 995 | phba->hba_flag |= HBA_RRQ_ACTIVE; |
19ca7609 | 996 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); |
1151e3ec | 997 | lpfc_worker_wake_up(phba); |
19ca7609 JS |
998 | } |
999 | ||
e59058c4 | 1000 | /** |
3621a710 | 1001 | * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function |
e59058c4 JS |
1002 | * @phba: pointer to lpfc hba data structure. |
1003 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
1004 | * | |
1005 | * This is the callback function to the lpfc heart-beat mailbox command. | |
1006 | * If configured, the lpfc driver issues the heart-beat mailbox command to | |
1007 | * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the | |
1008 | * heart-beat mailbox command is issued, the driver shall set up heart-beat | |
1009 | * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks | |
1010 | * heart-beat outstanding state. Once the mailbox command comes back and | |
1011 | * no error conditions detected, the heart-beat mailbox command timer is | |
1012 | * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding | |
1013 | * state is cleared for the next heart-beat. If the timer expired with the | |
1014 | * heart-beat outstanding state set, the driver will put the HBA offline. | |
1015 | **/ | |
858c9f6c JS |
1016 | static void |
1017 | lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
1018 | { | |
1019 | unsigned long drvr_flag; | |
1020 | ||
1021 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
1022 | phba->hb_outstanding = 0; | |
1023 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
1024 | ||
9399627f | 1025 | /* Check and reset heart-beat timer is necessary */ |
858c9f6c JS |
1026 | mempool_free(pmboxq, phba->mbox_mem_pool); |
1027 | if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && | |
1028 | !(phba->link_state == LPFC_HBA_ERROR) && | |
51ef4c26 | 1029 | !(phba->pport->load_flag & FC_UNLOADING)) |
858c9f6c | 1030 | mod_timer(&phba->hb_tmofunc, |
256ec0d0 JS |
1031 | jiffies + |
1032 | msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); | |
858c9f6c JS |
1033 | return; |
1034 | } | |
1035 | ||
e59058c4 | 1036 | /** |
3621a710 | 1037 | * lpfc_hb_timeout_handler - The HBA-timer timeout handler |
e59058c4 JS |
1038 | * @phba: pointer to lpfc hba data structure. |
1039 | * | |
1040 | * This is the actual HBA-timer timeout handler to be invoked by the worker | |
1041 | * thread whenever the HBA timer fired and HBA-timeout event posted. This | |
1042 | * handler performs any periodic operations needed for the device. If such | |
1043 | * periodic event has already been attended to either in the interrupt handler | |
1044 | * or by processing slow-ring or fast-ring events within the HBA-timer | |
1045 | * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets | |
1046 | * the timer for the next timeout period. If lpfc heart-beat mailbox command | |
1047 | * is configured and there is no heart-beat mailbox command outstanding, a | |
1048 | * heart-beat mailbox is issued and timer set properly. Otherwise, if there | |
1049 | * has been a heart-beat mailbox command outstanding, the HBA shall be put | |
1050 | * to offline. | |
1051 | **/ | |
858c9f6c JS |
1052 | void |
1053 | lpfc_hb_timeout_handler(struct lpfc_hba *phba) | |
1054 | { | |
45ed1190 | 1055 | struct lpfc_vport **vports; |
858c9f6c | 1056 | LPFC_MBOXQ_t *pmboxq; |
0ff10d46 | 1057 | struct lpfc_dmabuf *buf_ptr; |
45ed1190 | 1058 | int retval, i; |
858c9f6c | 1059 | struct lpfc_sli *psli = &phba->sli; |
0ff10d46 | 1060 | LIST_HEAD(completions); |
858c9f6c | 1061 | |
45ed1190 JS |
1062 | vports = lpfc_create_vport_work_array(phba); |
1063 | if (vports != NULL) | |
1064 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) | |
1065 | lpfc_rcv_seq_check_edtov(vports[i]); | |
1066 | lpfc_destroy_vport_work_array(phba, vports); | |
1067 | ||
858c9f6c | 1068 | if ((phba->link_state == LPFC_HBA_ERROR) || |
51ef4c26 | 1069 | (phba->pport->load_flag & FC_UNLOADING) || |
858c9f6c JS |
1070 | (phba->pport->fc_flag & FC_OFFLINE_MODE)) |
1071 | return; | |
1072 | ||
1073 | spin_lock_irq(&phba->pport->work_port_lock); | |
858c9f6c | 1074 | |
256ec0d0 JS |
1075 | if (time_after(phba->last_completion_time + |
1076 | msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL), | |
1077 | jiffies)) { | |
858c9f6c JS |
1078 | spin_unlock_irq(&phba->pport->work_port_lock); |
1079 | if (!phba->hb_outstanding) | |
1080 | mod_timer(&phba->hb_tmofunc, | |
256ec0d0 JS |
1081 | jiffies + |
1082 | msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); | |
858c9f6c JS |
1083 | else |
1084 | mod_timer(&phba->hb_tmofunc, | |
256ec0d0 JS |
1085 | jiffies + |
1086 | msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT)); | |
858c9f6c JS |
1087 | return; |
1088 | } | |
1089 | spin_unlock_irq(&phba->pport->work_port_lock); | |
1090 | ||
0ff10d46 JS |
1091 | if (phba->elsbuf_cnt && |
1092 | (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) { | |
1093 | spin_lock_irq(&phba->hbalock); | |
1094 | list_splice_init(&phba->elsbuf, &completions); | |
1095 | phba->elsbuf_cnt = 0; | |
1096 | phba->elsbuf_prev_cnt = 0; | |
1097 | spin_unlock_irq(&phba->hbalock); | |
1098 | ||
1099 | while (!list_empty(&completions)) { | |
1100 | list_remove_head(&completions, buf_ptr, | |
1101 | struct lpfc_dmabuf, list); | |
1102 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
1103 | kfree(buf_ptr); | |
1104 | } | |
1105 | } | |
1106 | phba->elsbuf_prev_cnt = phba->elsbuf_cnt; | |
1107 | ||
858c9f6c | 1108 | /* If there is no heart beat outstanding, issue a heartbeat command */ |
13815c83 JS |
1109 | if (phba->cfg_enable_hba_heartbeat) { |
1110 | if (!phba->hb_outstanding) { | |
bc73905a JS |
1111 | if ((!(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) && |
1112 | (list_empty(&psli->mboxq))) { | |
1113 | pmboxq = mempool_alloc(phba->mbox_mem_pool, | |
1114 | GFP_KERNEL); | |
1115 | if (!pmboxq) { | |
1116 | mod_timer(&phba->hb_tmofunc, | |
1117 | jiffies + | |
256ec0d0 JS |
1118 | msecs_to_jiffies(1000 * |
1119 | LPFC_HB_MBOX_INTERVAL)); | |
bc73905a JS |
1120 | return; |
1121 | } | |
1122 | ||
1123 | lpfc_heart_beat(phba, pmboxq); | |
1124 | pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; | |
1125 | pmboxq->vport = phba->pport; | |
1126 | retval = lpfc_sli_issue_mbox(phba, pmboxq, | |
1127 | MBX_NOWAIT); | |
1128 | ||
1129 | if (retval != MBX_BUSY && | |
1130 | retval != MBX_SUCCESS) { | |
1131 | mempool_free(pmboxq, | |
1132 | phba->mbox_mem_pool); | |
1133 | mod_timer(&phba->hb_tmofunc, | |
1134 | jiffies + | |
256ec0d0 JS |
1135 | msecs_to_jiffies(1000 * |
1136 | LPFC_HB_MBOX_INTERVAL)); | |
bc73905a JS |
1137 | return; |
1138 | } | |
1139 | phba->skipped_hb = 0; | |
1140 | phba->hb_outstanding = 1; | |
1141 | } else if (time_before_eq(phba->last_completion_time, | |
1142 | phba->skipped_hb)) { | |
1143 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
1144 | "2857 Last completion time not " | |
1145 | " updated in %d ms\n", | |
1146 | jiffies_to_msecs(jiffies | |
1147 | - phba->last_completion_time)); | |
1148 | } else | |
1149 | phba->skipped_hb = jiffies; | |
1150 | ||
858c9f6c | 1151 | mod_timer(&phba->hb_tmofunc, |
256ec0d0 JS |
1152 | jiffies + |
1153 | msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT)); | |
858c9f6c | 1154 | return; |
13815c83 JS |
1155 | } else { |
1156 | /* | |
1157 | * If heart beat timeout called with hb_outstanding set | |
dcf2a4e0 JS |
1158 | * we need to give the hb mailbox cmd a chance to |
1159 | * complete or TMO. | |
13815c83 | 1160 | */ |
dcf2a4e0 JS |
1161 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
1162 | "0459 Adapter heartbeat still out" | |
1163 | "standing:last compl time was %d ms.\n", | |
1164 | jiffies_to_msecs(jiffies | |
1165 | - phba->last_completion_time)); | |
1166 | mod_timer(&phba->hb_tmofunc, | |
256ec0d0 JS |
1167 | jiffies + |
1168 | msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT)); | |
858c9f6c | 1169 | } |
858c9f6c JS |
1170 | } |
1171 | } | |
1172 | ||
e59058c4 | 1173 | /** |
3621a710 | 1174 | * lpfc_offline_eratt - Bring lpfc offline on hardware error attention |
e59058c4 JS |
1175 | * @phba: pointer to lpfc hba data structure. |
1176 | * | |
1177 | * This routine is called to bring the HBA offline when HBA hardware error | |
1178 | * other than Port Error 6 has been detected. | |
1179 | **/ | |
09372820 JS |
1180 | static void |
1181 | lpfc_offline_eratt(struct lpfc_hba *phba) | |
1182 | { | |
1183 | struct lpfc_sli *psli = &phba->sli; | |
1184 | ||
1185 | spin_lock_irq(&phba->hbalock); | |
f4b4c68f | 1186 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
09372820 | 1187 | spin_unlock_irq(&phba->hbalock); |
618a5230 | 1188 | lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); |
09372820 JS |
1189 | |
1190 | lpfc_offline(phba); | |
1191 | lpfc_reset_barrier(phba); | |
f4b4c68f | 1192 | spin_lock_irq(&phba->hbalock); |
09372820 | 1193 | lpfc_sli_brdreset(phba); |
f4b4c68f | 1194 | spin_unlock_irq(&phba->hbalock); |
09372820 JS |
1195 | lpfc_hba_down_post(phba); |
1196 | lpfc_sli_brdready(phba, HS_MBRDY); | |
1197 | lpfc_unblock_mgmt_io(phba); | |
1198 | phba->link_state = LPFC_HBA_ERROR; | |
1199 | return; | |
1200 | } | |
1201 | ||
da0436e9 JS |
1202 | /** |
1203 | * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention | |
1204 | * @phba: pointer to lpfc hba data structure. | |
1205 | * | |
1206 | * This routine is called to bring a SLI4 HBA offline when HBA hardware error | |
1207 | * other than Port Error 6 has been detected. | |
1208 | **/ | |
a88dbb6a | 1209 | void |
da0436e9 JS |
1210 | lpfc_sli4_offline_eratt(struct lpfc_hba *phba) |
1211 | { | |
618a5230 | 1212 | lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); |
da0436e9 JS |
1213 | lpfc_offline(phba); |
1214 | lpfc_sli4_brdreset(phba); | |
1215 | lpfc_hba_down_post(phba); | |
1216 | lpfc_sli4_post_status_check(phba); | |
1217 | lpfc_unblock_mgmt_io(phba); | |
1218 | phba->link_state = LPFC_HBA_ERROR; | |
1219 | } | |
1220 | ||
a257bf90 JS |
1221 | /** |
1222 | * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler | |
1223 | * @phba: pointer to lpfc hba data structure. | |
1224 | * | |
1225 | * This routine is invoked to handle the deferred HBA hardware error | |
1226 | * conditions. This type of error is indicated by HBA by setting ER1 | |
1227 | * and another ER bit in the host status register. The driver will | |
1228 | * wait until the ER1 bit clears before handling the error condition. | |
1229 | **/ | |
1230 | static void | |
1231 | lpfc_handle_deferred_eratt(struct lpfc_hba *phba) | |
1232 | { | |
1233 | uint32_t old_host_status = phba->work_hs; | |
1234 | struct lpfc_sli_ring *pring; | |
1235 | struct lpfc_sli *psli = &phba->sli; | |
1236 | ||
f4b4c68f JS |
1237 | /* If the pci channel is offline, ignore possible errors, |
1238 | * since we cannot communicate with the pci card anyway. | |
1239 | */ | |
1240 | if (pci_channel_offline(phba->pcidev)) { | |
1241 | spin_lock_irq(&phba->hbalock); | |
1242 | phba->hba_flag &= ~DEFER_ERATT; | |
1243 | spin_unlock_irq(&phba->hbalock); | |
1244 | return; | |
1245 | } | |
1246 | ||
a257bf90 JS |
1247 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
1248 | "0479 Deferred Adapter Hardware Error " | |
1249 | "Data: x%x x%x x%x\n", | |
1250 | phba->work_hs, | |
1251 | phba->work_status[0], phba->work_status[1]); | |
1252 | ||
1253 | spin_lock_irq(&phba->hbalock); | |
f4b4c68f | 1254 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
a257bf90 JS |
1255 | spin_unlock_irq(&phba->hbalock); |
1256 | ||
1257 | ||
1258 | /* | |
1259 | * Firmware stops when it triggred erratt. That could cause the I/Os | |
1260 | * dropped by the firmware. Error iocb (I/O) on txcmplq and let the | |
1261 | * SCSI layer retry it after re-establishing link. | |
1262 | */ | |
1263 | pring = &psli->ring[psli->fcp_ring]; | |
1264 | lpfc_sli_abort_iocb_ring(phba, pring); | |
1265 | ||
1266 | /* | |
1267 | * There was a firmware error. Take the hba offline and then | |
1268 | * attempt to restart it. | |
1269 | */ | |
618a5230 | 1270 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
a257bf90 JS |
1271 | lpfc_offline(phba); |
1272 | ||
1273 | /* Wait for the ER1 bit to clear.*/ | |
1274 | while (phba->work_hs & HS_FFER1) { | |
1275 | msleep(100); | |
9940b97b JS |
1276 | if (lpfc_readl(phba->HSregaddr, &phba->work_hs)) { |
1277 | phba->work_hs = UNPLUG_ERR ; | |
1278 | break; | |
1279 | } | |
a257bf90 JS |
1280 | /* If driver is unloading let the worker thread continue */ |
1281 | if (phba->pport->load_flag & FC_UNLOADING) { | |
1282 | phba->work_hs = 0; | |
1283 | break; | |
1284 | } | |
1285 | } | |
1286 | ||
1287 | /* | |
1288 | * This is to ptrotect against a race condition in which | |
1289 | * first write to the host attention register clear the | |
1290 | * host status register. | |
1291 | */ | |
1292 | if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING))) | |
1293 | phba->work_hs = old_host_status & ~HS_FFER1; | |
1294 | ||
3772a991 | 1295 | spin_lock_irq(&phba->hbalock); |
a257bf90 | 1296 | phba->hba_flag &= ~DEFER_ERATT; |
3772a991 | 1297 | spin_unlock_irq(&phba->hbalock); |
a257bf90 JS |
1298 | phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); |
1299 | phba->work_status[1] = readl(phba->MBslimaddr + 0xac); | |
1300 | } | |
1301 | ||
3772a991 JS |
1302 | static void |
1303 | lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba) | |
1304 | { | |
1305 | struct lpfc_board_event_header board_event; | |
1306 | struct Scsi_Host *shost; | |
1307 | ||
1308 | board_event.event_type = FC_REG_BOARD_EVENT; | |
1309 | board_event.subcategory = LPFC_EVENT_PORTINTERR; | |
1310 | shost = lpfc_shost_from_vport(phba->pport); | |
1311 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1312 | sizeof(board_event), | |
1313 | (char *) &board_event, | |
1314 | LPFC_NL_VENDOR_ID); | |
1315 | } | |
1316 | ||
e59058c4 | 1317 | /** |
3772a991 | 1318 | * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler |
e59058c4 JS |
1319 | * @phba: pointer to lpfc hba data structure. |
1320 | * | |
1321 | * This routine is invoked to handle the following HBA hardware error | |
1322 | * conditions: | |
1323 | * 1 - HBA error attention interrupt | |
1324 | * 2 - DMA ring index out of range | |
1325 | * 3 - Mailbox command came back as unknown | |
1326 | **/ | |
3772a991 JS |
1327 | static void |
1328 | lpfc_handle_eratt_s3(struct lpfc_hba *phba) | |
dea3101e | 1329 | { |
2e0fef85 | 1330 | struct lpfc_vport *vport = phba->pport; |
2e0fef85 | 1331 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 1332 | struct lpfc_sli_ring *pring; |
d2873e4c | 1333 | uint32_t event_data; |
57127f15 JS |
1334 | unsigned long temperature; |
1335 | struct temp_event temp_event_data; | |
92d7f7b0 | 1336 | struct Scsi_Host *shost; |
2e0fef85 | 1337 | |
8d63f375 | 1338 | /* If the pci channel is offline, ignore possible errors, |
3772a991 JS |
1339 | * since we cannot communicate with the pci card anyway. |
1340 | */ | |
1341 | if (pci_channel_offline(phba->pcidev)) { | |
1342 | spin_lock_irq(&phba->hbalock); | |
1343 | phba->hba_flag &= ~DEFER_ERATT; | |
1344 | spin_unlock_irq(&phba->hbalock); | |
8d63f375 | 1345 | return; |
3772a991 JS |
1346 | } |
1347 | ||
13815c83 JS |
1348 | /* If resets are disabled then leave the HBA alone and return */ |
1349 | if (!phba->cfg_enable_hba_reset) | |
1350 | return; | |
dea3101e | 1351 | |
ea2151b4 | 1352 | /* Send an internal error event to mgmt application */ |
3772a991 | 1353 | lpfc_board_errevt_to_mgmt(phba); |
ea2151b4 | 1354 | |
a257bf90 JS |
1355 | if (phba->hba_flag & DEFER_ERATT) |
1356 | lpfc_handle_deferred_eratt(phba); | |
1357 | ||
dcf2a4e0 JS |
1358 | if ((phba->work_hs & HS_FFER6) || (phba->work_hs & HS_FFER8)) { |
1359 | if (phba->work_hs & HS_FFER6) | |
1360 | /* Re-establishing Link */ | |
1361 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
1362 | "1301 Re-establishing Link " | |
1363 | "Data: x%x x%x x%x\n", | |
1364 | phba->work_hs, phba->work_status[0], | |
1365 | phba->work_status[1]); | |
1366 | if (phba->work_hs & HS_FFER8) | |
1367 | /* Device Zeroization */ | |
1368 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
1369 | "2861 Host Authentication device " | |
1370 | "zeroization Data:x%x x%x x%x\n", | |
1371 | phba->work_hs, phba->work_status[0], | |
1372 | phba->work_status[1]); | |
58da1ffb | 1373 | |
92d7f7b0 | 1374 | spin_lock_irq(&phba->hbalock); |
f4b4c68f | 1375 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
92d7f7b0 | 1376 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1377 | |
1378 | /* | |
1379 | * Firmware stops when it triggled erratt with HS_FFER6. | |
1380 | * That could cause the I/Os dropped by the firmware. | |
1381 | * Error iocb (I/O) on txcmplq and let the SCSI layer | |
1382 | * retry it after re-establishing link. | |
1383 | */ | |
1384 | pring = &psli->ring[psli->fcp_ring]; | |
1385 | lpfc_sli_abort_iocb_ring(phba, pring); | |
1386 | ||
dea3101e JB |
1387 | /* |
1388 | * There was a firmware error. Take the hba offline and then | |
1389 | * attempt to restart it. | |
1390 | */ | |
618a5230 | 1391 | lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); |
dea3101e | 1392 | lpfc_offline(phba); |
41415862 | 1393 | lpfc_sli_brdrestart(phba); |
dea3101e | 1394 | if (lpfc_online(phba) == 0) { /* Initialize the HBA */ |
46fa311e | 1395 | lpfc_unblock_mgmt_io(phba); |
dea3101e JB |
1396 | return; |
1397 | } | |
46fa311e | 1398 | lpfc_unblock_mgmt_io(phba); |
57127f15 JS |
1399 | } else if (phba->work_hs & HS_CRIT_TEMP) { |
1400 | temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET); | |
1401 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
1402 | temp_event_data.event_code = LPFC_CRIT_TEMP; | |
1403 | temp_event_data.data = (uint32_t)temperature; | |
1404 | ||
1405 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 1406 | "0406 Adapter maximum temperature exceeded " |
57127f15 JS |
1407 | "(%ld), taking this port offline " |
1408 | "Data: x%x x%x x%x\n", | |
1409 | temperature, phba->work_hs, | |
1410 | phba->work_status[0], phba->work_status[1]); | |
1411 | ||
1412 | shost = lpfc_shost_from_vport(phba->pport); | |
1413 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1414 | sizeof(temp_event_data), | |
1415 | (char *) &temp_event_data, | |
1416 | SCSI_NL_VID_TYPE_PCI | |
1417 | | PCI_VENDOR_ID_EMULEX); | |
1418 | ||
7af67051 | 1419 | spin_lock_irq(&phba->hbalock); |
7af67051 JS |
1420 | phba->over_temp_state = HBA_OVER_TEMP; |
1421 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 1422 | lpfc_offline_eratt(phba); |
57127f15 | 1423 | |
dea3101e JB |
1424 | } else { |
1425 | /* The if clause above forces this code path when the status | |
9399627f JS |
1426 | * failure is a value other than FFER6. Do not call the offline |
1427 | * twice. This is the adapter hardware error path. | |
dea3101e JB |
1428 | */ |
1429 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 | 1430 | "0457 Adapter Hardware Error " |
dea3101e | 1431 | "Data: x%x x%x x%x\n", |
e8b62011 | 1432 | phba->work_hs, |
dea3101e JB |
1433 | phba->work_status[0], phba->work_status[1]); |
1434 | ||
d2873e4c | 1435 | event_data = FC_REG_DUMP_EVENT; |
92d7f7b0 | 1436 | shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1437 | fc_host_post_vendor_event(shost, fc_get_event_number(), |
d2873e4c JS |
1438 | sizeof(event_data), (char *) &event_data, |
1439 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
1440 | ||
09372820 | 1441 | lpfc_offline_eratt(phba); |
dea3101e | 1442 | } |
9399627f | 1443 | return; |
dea3101e JB |
1444 | } |
1445 | ||
618a5230 JS |
1446 | /** |
1447 | * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg | |
1448 | * @phba: pointer to lpfc hba data structure. | |
1449 | * @mbx_action: flag for mailbox shutdown action. | |
1450 | * | |
1451 | * This routine is invoked to perform an SLI4 port PCI function reset in | |
1452 | * response to port status register polling attention. It waits for port | |
1453 | * status register (ERR, RDY, RN) bits before proceeding with function reset. | |
1454 | * During this process, interrupt vectors are freed and later requested | |
1455 | * for handling possible port resource change. | |
1456 | **/ | |
1457 | static int | |
1458 | lpfc_sli4_port_sta_fn_reset(struct lpfc_hba *phba, int mbx_action) | |
1459 | { | |
1460 | int rc; | |
1461 | uint32_t intr_mode; | |
1462 | ||
1463 | /* | |
1464 | * On error status condition, driver need to wait for port | |
1465 | * ready before performing reset. | |
1466 | */ | |
1467 | rc = lpfc_sli4_pdev_status_reg_wait(phba); | |
1468 | if (!rc) { | |
1469 | /* need reset: attempt for port recovery */ | |
1470 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1471 | "2887 Reset Needed: Attempting Port " | |
1472 | "Recovery...\n"); | |
1473 | lpfc_offline_prep(phba, mbx_action); | |
1474 | lpfc_offline(phba); | |
1475 | /* release interrupt for possible resource change */ | |
1476 | lpfc_sli4_disable_intr(phba); | |
1477 | lpfc_sli_brdrestart(phba); | |
1478 | /* request and enable interrupt */ | |
1479 | intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); | |
1480 | if (intr_mode == LPFC_INTR_ERROR) { | |
1481 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1482 | "3175 Failed to enable interrupt\n"); | |
1483 | return -EIO; | |
1484 | } else { | |
1485 | phba->intr_mode = intr_mode; | |
1486 | } | |
1487 | rc = lpfc_online(phba); | |
1488 | if (rc == 0) | |
1489 | lpfc_unblock_mgmt_io(phba); | |
1490 | } | |
1491 | return rc; | |
1492 | } | |
1493 | ||
da0436e9 JS |
1494 | /** |
1495 | * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler | |
1496 | * @phba: pointer to lpfc hba data structure. | |
1497 | * | |
1498 | * This routine is invoked to handle the SLI4 HBA hardware error attention | |
1499 | * conditions. | |
1500 | **/ | |
1501 | static void | |
1502 | lpfc_handle_eratt_s4(struct lpfc_hba *phba) | |
1503 | { | |
1504 | struct lpfc_vport *vport = phba->pport; | |
1505 | uint32_t event_data; | |
1506 | struct Scsi_Host *shost; | |
2fcee4bf | 1507 | uint32_t if_type; |
2e90f4b5 JS |
1508 | struct lpfc_register portstat_reg = {0}; |
1509 | uint32_t reg_err1, reg_err2; | |
1510 | uint32_t uerrlo_reg, uemasklo_reg; | |
1511 | uint32_t pci_rd_rc1, pci_rd_rc2; | |
73d91e50 | 1512 | int rc; |
da0436e9 JS |
1513 | |
1514 | /* If the pci channel is offline, ignore possible errors, since | |
1515 | * we cannot communicate with the pci card anyway. | |
1516 | */ | |
1517 | if (pci_channel_offline(phba->pcidev)) | |
1518 | return; | |
1519 | /* If resets are disabled then leave the HBA alone and return */ | |
1520 | if (!phba->cfg_enable_hba_reset) | |
1521 | return; | |
1522 | ||
2fcee4bf JS |
1523 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
1524 | switch (if_type) { | |
1525 | case LPFC_SLI_INTF_IF_TYPE_0: | |
2e90f4b5 JS |
1526 | pci_rd_rc1 = lpfc_readl( |
1527 | phba->sli4_hba.u.if_type0.UERRLOregaddr, | |
1528 | &uerrlo_reg); | |
1529 | pci_rd_rc2 = lpfc_readl( | |
1530 | phba->sli4_hba.u.if_type0.UEMASKLOregaddr, | |
1531 | &uemasklo_reg); | |
1532 | /* consider PCI bus read error as pci_channel_offline */ | |
1533 | if (pci_rd_rc1 == -EIO && pci_rd_rc2 == -EIO) | |
1534 | return; | |
2fcee4bf JS |
1535 | lpfc_sli4_offline_eratt(phba); |
1536 | break; | |
1537 | case LPFC_SLI_INTF_IF_TYPE_2: | |
2e90f4b5 JS |
1538 | pci_rd_rc1 = lpfc_readl( |
1539 | phba->sli4_hba.u.if_type2.STATUSregaddr, | |
1540 | &portstat_reg.word0); | |
1541 | /* consider PCI bus read error as pci_channel_offline */ | |
6b5151fd JS |
1542 | if (pci_rd_rc1 == -EIO) { |
1543 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1544 | "3151 PCI bus read access failure: x%x\n", | |
1545 | readl(phba->sli4_hba.u.if_type2.STATUSregaddr)); | |
2e90f4b5 | 1546 | return; |
6b5151fd | 1547 | } |
2e90f4b5 JS |
1548 | reg_err1 = readl(phba->sli4_hba.u.if_type2.ERR1regaddr); |
1549 | reg_err2 = readl(phba->sli4_hba.u.if_type2.ERR2regaddr); | |
2fcee4bf JS |
1550 | if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) { |
1551 | /* TODO: Register for Overtemp async events. */ | |
1552 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1553 | "2889 Port Overtemperature event, " | |
026abb87 | 1554 | "taking port offline\n"); |
2fcee4bf JS |
1555 | spin_lock_irq(&phba->hbalock); |
1556 | phba->over_temp_state = HBA_OVER_TEMP; | |
1557 | spin_unlock_irq(&phba->hbalock); | |
1558 | lpfc_sli4_offline_eratt(phba); | |
2e90f4b5 | 1559 | break; |
2fcee4bf | 1560 | } |
2e90f4b5 JS |
1561 | if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && |
1562 | reg_err2 == SLIPORT_ERR2_REG_FW_RESTART) | |
1563 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1564 | "3143 Port Down: Firmware Restarted\n"); | |
1565 | else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && | |
1566 | reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP) | |
1567 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1568 | "3144 Port Down: Debug Dump\n"); | |
1569 | else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && | |
1570 | reg_err2 == SLIPORT_ERR2_REG_FUNC_PROVISON) | |
1571 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1572 | "3145 Port Down: Provisioning\n"); | |
618a5230 JS |
1573 | |
1574 | /* Check port status register for function reset */ | |
1575 | rc = lpfc_sli4_port_sta_fn_reset(phba, LPFC_MBX_NO_WAIT); | |
1576 | if (rc == 0) { | |
1577 | /* don't report event on forced debug dump */ | |
1578 | if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && | |
1579 | reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP) | |
1580 | return; | |
1581 | else | |
1582 | break; | |
2fcee4bf | 1583 | } |
618a5230 | 1584 | /* fall through for not able to recover */ |
6b5151fd JS |
1585 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
1586 | "3152 Unrecoverable error, bring the port " | |
1587 | "offline\n"); | |
2fcee4bf JS |
1588 | lpfc_sli4_offline_eratt(phba); |
1589 | break; | |
1590 | case LPFC_SLI_INTF_IF_TYPE_1: | |
1591 | default: | |
1592 | break; | |
1593 | } | |
2e90f4b5 JS |
1594 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
1595 | "3123 Report dump event to upper layer\n"); | |
1596 | /* Send an internal error event to mgmt application */ | |
1597 | lpfc_board_errevt_to_mgmt(phba); | |
1598 | ||
1599 | event_data = FC_REG_DUMP_EVENT; | |
1600 | shost = lpfc_shost_from_vport(vport); | |
1601 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1602 | sizeof(event_data), (char *) &event_data, | |
1603 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
da0436e9 JS |
1604 | } |
1605 | ||
1606 | /** | |
1607 | * lpfc_handle_eratt - Wrapper func for handling hba error attention | |
1608 | * @phba: pointer to lpfc HBA data structure. | |
1609 | * | |
1610 | * This routine wraps the actual SLI3 or SLI4 hba error attention handling | |
1611 | * routine from the API jump table function pointer from the lpfc_hba struct. | |
1612 | * | |
1613 | * Return codes | |
af901ca1 | 1614 | * 0 - success. |
da0436e9 JS |
1615 | * Any other value - error. |
1616 | **/ | |
1617 | void | |
1618 | lpfc_handle_eratt(struct lpfc_hba *phba) | |
1619 | { | |
1620 | (*phba->lpfc_handle_eratt)(phba); | |
1621 | } | |
1622 | ||
e59058c4 | 1623 | /** |
3621a710 | 1624 | * lpfc_handle_latt - The HBA link event handler |
e59058c4 JS |
1625 | * @phba: pointer to lpfc hba data structure. |
1626 | * | |
1627 | * This routine is invoked from the worker thread to handle a HBA host | |
1628 | * attention link event. | |
1629 | **/ | |
dea3101e | 1630 | void |
2e0fef85 | 1631 | lpfc_handle_latt(struct lpfc_hba *phba) |
dea3101e | 1632 | { |
2e0fef85 JS |
1633 | struct lpfc_vport *vport = phba->pport; |
1634 | struct lpfc_sli *psli = &phba->sli; | |
dea3101e JB |
1635 | LPFC_MBOXQ_t *pmb; |
1636 | volatile uint32_t control; | |
1637 | struct lpfc_dmabuf *mp; | |
09372820 | 1638 | int rc = 0; |
dea3101e JB |
1639 | |
1640 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
09372820 JS |
1641 | if (!pmb) { |
1642 | rc = 1; | |
dea3101e | 1643 | goto lpfc_handle_latt_err_exit; |
09372820 | 1644 | } |
dea3101e JB |
1645 | |
1646 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
09372820 JS |
1647 | if (!mp) { |
1648 | rc = 2; | |
dea3101e | 1649 | goto lpfc_handle_latt_free_pmb; |
09372820 | 1650 | } |
dea3101e JB |
1651 | |
1652 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
09372820 JS |
1653 | if (!mp->virt) { |
1654 | rc = 3; | |
dea3101e | 1655 | goto lpfc_handle_latt_free_mp; |
09372820 | 1656 | } |
dea3101e | 1657 | |
6281bfe0 | 1658 | /* Cleanup any outstanding ELS commands */ |
549e55cd | 1659 | lpfc_els_flush_all_cmd(phba); |
dea3101e JB |
1660 | |
1661 | psli->slistat.link_event++; | |
76a95d75 JS |
1662 | lpfc_read_topology(phba, pmb, mp); |
1663 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; | |
2e0fef85 | 1664 | pmb->vport = vport; |
0d2b6b83 JS |
1665 | /* Block ELS IOCBs until we have processed this mbox command */ |
1666 | phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
0b727fea | 1667 | rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT); |
09372820 JS |
1668 | if (rc == MBX_NOT_FINISHED) { |
1669 | rc = 4; | |
14691150 | 1670 | goto lpfc_handle_latt_free_mbuf; |
09372820 | 1671 | } |
dea3101e JB |
1672 | |
1673 | /* Clear Link Attention in HA REG */ | |
2e0fef85 | 1674 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
1675 | writel(HA_LATT, phba->HAregaddr); |
1676 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 1677 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1678 | |
1679 | return; | |
1680 | ||
14691150 | 1681 | lpfc_handle_latt_free_mbuf: |
0d2b6b83 | 1682 | phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; |
14691150 | 1683 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e JB |
1684 | lpfc_handle_latt_free_mp: |
1685 | kfree(mp); | |
1686 | lpfc_handle_latt_free_pmb: | |
1dcb58e5 | 1687 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e JB |
1688 | lpfc_handle_latt_err_exit: |
1689 | /* Enable Link attention interrupts */ | |
2e0fef85 | 1690 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
1691 | psli->sli_flag |= LPFC_PROCESS_LA; |
1692 | control = readl(phba->HCregaddr); | |
1693 | control |= HC_LAINT_ENA; | |
1694 | writel(control, phba->HCregaddr); | |
1695 | readl(phba->HCregaddr); /* flush */ | |
1696 | ||
1697 | /* Clear Link Attention in HA REG */ | |
1698 | writel(HA_LATT, phba->HAregaddr); | |
1699 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 1700 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1701 | lpfc_linkdown(phba); |
2e0fef85 | 1702 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 1703 | |
09372820 JS |
1704 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
1705 | "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc); | |
dea3101e JB |
1706 | |
1707 | return; | |
1708 | } | |
1709 | ||
e59058c4 | 1710 | /** |
3621a710 | 1711 | * lpfc_parse_vpd - Parse VPD (Vital Product Data) |
e59058c4 JS |
1712 | * @phba: pointer to lpfc hba data structure. |
1713 | * @vpd: pointer to the vital product data. | |
1714 | * @len: length of the vital product data in bytes. | |
1715 | * | |
1716 | * This routine parses the Vital Product Data (VPD). The VPD is treated as | |
1717 | * an array of characters. In this routine, the ModelName, ProgramType, and | |
1718 | * ModelDesc, etc. fields of the phba data structure will be populated. | |
1719 | * | |
1720 | * Return codes | |
1721 | * 0 - pointer to the VPD passed in is NULL | |
1722 | * 1 - success | |
1723 | **/ | |
3772a991 | 1724 | int |
2e0fef85 | 1725 | lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) |
dea3101e JB |
1726 | { |
1727 | uint8_t lenlo, lenhi; | |
07da60c1 | 1728 | int Length; |
dea3101e JB |
1729 | int i, j; |
1730 | int finished = 0; | |
1731 | int index = 0; | |
1732 | ||
1733 | if (!vpd) | |
1734 | return 0; | |
1735 | ||
1736 | /* Vital Product */ | |
ed957684 | 1737 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 | 1738 | "0455 Vital Product Data: x%x x%x x%x x%x\n", |
dea3101e JB |
1739 | (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], |
1740 | (uint32_t) vpd[3]); | |
74b72a59 | 1741 | while (!finished && (index < (len - 4))) { |
dea3101e JB |
1742 | switch (vpd[index]) { |
1743 | case 0x82: | |
74b72a59 | 1744 | case 0x91: |
dea3101e JB |
1745 | index += 1; |
1746 | lenlo = vpd[index]; | |
1747 | index += 1; | |
1748 | lenhi = vpd[index]; | |
1749 | index += 1; | |
1750 | i = ((((unsigned short)lenhi) << 8) + lenlo); | |
1751 | index += i; | |
1752 | break; | |
1753 | case 0x90: | |
1754 | index += 1; | |
1755 | lenlo = vpd[index]; | |
1756 | index += 1; | |
1757 | lenhi = vpd[index]; | |
1758 | index += 1; | |
1759 | Length = ((((unsigned short)lenhi) << 8) + lenlo); | |
74b72a59 JW |
1760 | if (Length > len - index) |
1761 | Length = len - index; | |
dea3101e JB |
1762 | while (Length > 0) { |
1763 | /* Look for Serial Number */ | |
1764 | if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { | |
1765 | index += 2; | |
1766 | i = vpd[index]; | |
1767 | index += 1; | |
1768 | j = 0; | |
1769 | Length -= (3+i); | |
1770 | while(i--) { | |
1771 | phba->SerialNumber[j++] = vpd[index++]; | |
1772 | if (j == 31) | |
1773 | break; | |
1774 | } | |
1775 | phba->SerialNumber[j] = 0; | |
1776 | continue; | |
1777 | } | |
1778 | else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { | |
1779 | phba->vpd_flag |= VPD_MODEL_DESC; | |
1780 | index += 2; | |
1781 | i = vpd[index]; | |
1782 | index += 1; | |
1783 | j = 0; | |
1784 | Length -= (3+i); | |
1785 | while(i--) { | |
1786 | phba->ModelDesc[j++] = vpd[index++]; | |
1787 | if (j == 255) | |
1788 | break; | |
1789 | } | |
1790 | phba->ModelDesc[j] = 0; | |
1791 | continue; | |
1792 | } | |
1793 | else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { | |
1794 | phba->vpd_flag |= VPD_MODEL_NAME; | |
1795 | index += 2; | |
1796 | i = vpd[index]; | |
1797 | index += 1; | |
1798 | j = 0; | |
1799 | Length -= (3+i); | |
1800 | while(i--) { | |
1801 | phba->ModelName[j++] = vpd[index++]; | |
1802 | if (j == 79) | |
1803 | break; | |
1804 | } | |
1805 | phba->ModelName[j] = 0; | |
1806 | continue; | |
1807 | } | |
1808 | else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { | |
1809 | phba->vpd_flag |= VPD_PROGRAM_TYPE; | |
1810 | index += 2; | |
1811 | i = vpd[index]; | |
1812 | index += 1; | |
1813 | j = 0; | |
1814 | Length -= (3+i); | |
1815 | while(i--) { | |
1816 | phba->ProgramType[j++] = vpd[index++]; | |
1817 | if (j == 255) | |
1818 | break; | |
1819 | } | |
1820 | phba->ProgramType[j] = 0; | |
1821 | continue; | |
1822 | } | |
1823 | else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { | |
1824 | phba->vpd_flag |= VPD_PORT; | |
1825 | index += 2; | |
1826 | i = vpd[index]; | |
1827 | index += 1; | |
1828 | j = 0; | |
1829 | Length -= (3+i); | |
1830 | while(i--) { | |
cd1c8301 JS |
1831 | if ((phba->sli_rev == LPFC_SLI_REV4) && |
1832 | (phba->sli4_hba.pport_name_sta == | |
1833 | LPFC_SLI4_PPNAME_GET)) { | |
1834 | j++; | |
1835 | index++; | |
1836 | } else | |
1837 | phba->Port[j++] = vpd[index++]; | |
1838 | if (j == 19) | |
1839 | break; | |
dea3101e | 1840 | } |
cd1c8301 JS |
1841 | if ((phba->sli_rev != LPFC_SLI_REV4) || |
1842 | (phba->sli4_hba.pport_name_sta == | |
1843 | LPFC_SLI4_PPNAME_NON)) | |
1844 | phba->Port[j] = 0; | |
dea3101e JB |
1845 | continue; |
1846 | } | |
1847 | else { | |
1848 | index += 2; | |
1849 | i = vpd[index]; | |
1850 | index += 1; | |
1851 | index += i; | |
1852 | Length -= (3 + i); | |
1853 | } | |
1854 | } | |
1855 | finished = 0; | |
1856 | break; | |
1857 | case 0x78: | |
1858 | finished = 1; | |
1859 | break; | |
1860 | default: | |
1861 | index ++; | |
1862 | break; | |
1863 | } | |
74b72a59 | 1864 | } |
dea3101e JB |
1865 | |
1866 | return(1); | |
1867 | } | |
1868 | ||
e59058c4 | 1869 | /** |
3621a710 | 1870 | * lpfc_get_hba_model_desc - Retrieve HBA device model name and description |
e59058c4 JS |
1871 | * @phba: pointer to lpfc hba data structure. |
1872 | * @mdp: pointer to the data structure to hold the derived model name. | |
1873 | * @descp: pointer to the data structure to hold the derived description. | |
1874 | * | |
1875 | * This routine retrieves HBA's description based on its registered PCI device | |
1876 | * ID. The @descp passed into this function points to an array of 256 chars. It | |
1877 | * shall be returned with the model name, maximum speed, and the host bus type. | |
1878 | * The @mdp passed into this function points to an array of 80 chars. When the | |
1879 | * function returns, the @mdp will be filled with the model name. | |
1880 | **/ | |
dea3101e | 1881 | static void |
2e0fef85 | 1882 | lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) |
dea3101e JB |
1883 | { |
1884 | lpfc_vpd_t *vp; | |
fefcb2b6 | 1885 | uint16_t dev_id = phba->pcidev->device; |
74b72a59 | 1886 | int max_speed; |
84774a4d | 1887 | int GE = 0; |
da0436e9 | 1888 | int oneConnect = 0; /* default is not a oneConnect */ |
74b72a59 | 1889 | struct { |
a747c9ce JS |
1890 | char *name; |
1891 | char *bus; | |
1892 | char *function; | |
1893 | } m = {"<Unknown>", "", ""}; | |
74b72a59 JW |
1894 | |
1895 | if (mdp && mdp[0] != '\0' | |
1896 | && descp && descp[0] != '\0') | |
1897 | return; | |
1898 | ||
c0c11512 JS |
1899 | if (phba->lmt & LMT_16Gb) |
1900 | max_speed = 16; | |
1901 | else if (phba->lmt & LMT_10Gb) | |
74b72a59 JW |
1902 | max_speed = 10; |
1903 | else if (phba->lmt & LMT_8Gb) | |
1904 | max_speed = 8; | |
1905 | else if (phba->lmt & LMT_4Gb) | |
1906 | max_speed = 4; | |
1907 | else if (phba->lmt & LMT_2Gb) | |
1908 | max_speed = 2; | |
4169d868 | 1909 | else if (phba->lmt & LMT_1Gb) |
74b72a59 | 1910 | max_speed = 1; |
4169d868 JS |
1911 | else |
1912 | max_speed = 0; | |
dea3101e JB |
1913 | |
1914 | vp = &phba->vpd; | |
dea3101e | 1915 | |
e4adb204 | 1916 | switch (dev_id) { |
06325e74 | 1917 | case PCI_DEVICE_ID_FIREFLY: |
a747c9ce | 1918 | m = (typeof(m)){"LP6000", "PCI", "Fibre Channel Adapter"}; |
06325e74 | 1919 | break; |
dea3101e JB |
1920 | case PCI_DEVICE_ID_SUPERFLY: |
1921 | if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) | |
a747c9ce JS |
1922 | m = (typeof(m)){"LP7000", "PCI", |
1923 | "Fibre Channel Adapter"}; | |
dea3101e | 1924 | else |
a747c9ce JS |
1925 | m = (typeof(m)){"LP7000E", "PCI", |
1926 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1927 | break; |
1928 | case PCI_DEVICE_ID_DRAGONFLY: | |
a747c9ce JS |
1929 | m = (typeof(m)){"LP8000", "PCI", |
1930 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1931 | break; |
1932 | case PCI_DEVICE_ID_CENTAUR: | |
1933 | if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) | |
a747c9ce JS |
1934 | m = (typeof(m)){"LP9002", "PCI", |
1935 | "Fibre Channel Adapter"}; | |
dea3101e | 1936 | else |
a747c9ce JS |
1937 | m = (typeof(m)){"LP9000", "PCI", |
1938 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1939 | break; |
1940 | case PCI_DEVICE_ID_RFLY: | |
a747c9ce JS |
1941 | m = (typeof(m)){"LP952", "PCI", |
1942 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1943 | break; |
1944 | case PCI_DEVICE_ID_PEGASUS: | |
a747c9ce JS |
1945 | m = (typeof(m)){"LP9802", "PCI-X", |
1946 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1947 | break; |
1948 | case PCI_DEVICE_ID_THOR: | |
a747c9ce JS |
1949 | m = (typeof(m)){"LP10000", "PCI-X", |
1950 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1951 | break; |
1952 | case PCI_DEVICE_ID_VIPER: | |
a747c9ce JS |
1953 | m = (typeof(m)){"LPX1000", "PCI-X", |
1954 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1955 | break; |
1956 | case PCI_DEVICE_ID_PFLY: | |
a747c9ce JS |
1957 | m = (typeof(m)){"LP982", "PCI-X", |
1958 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1959 | break; |
1960 | case PCI_DEVICE_ID_TFLY: | |
a747c9ce JS |
1961 | m = (typeof(m)){"LP1050", "PCI-X", |
1962 | "Fibre Channel Adapter"}; | |
dea3101e JB |
1963 | break; |
1964 | case PCI_DEVICE_ID_HELIOS: | |
a747c9ce JS |
1965 | m = (typeof(m)){"LP11000", "PCI-X2", |
1966 | "Fibre Channel Adapter"}; | |
dea3101e | 1967 | break; |
e4adb204 | 1968 | case PCI_DEVICE_ID_HELIOS_SCSP: |
a747c9ce JS |
1969 | m = (typeof(m)){"LP11000-SP", "PCI-X2", |
1970 | "Fibre Channel Adapter"}; | |
e4adb204 JSEC |
1971 | break; |
1972 | case PCI_DEVICE_ID_HELIOS_DCSP: | |
a747c9ce JS |
1973 | m = (typeof(m)){"LP11002-SP", "PCI-X2", |
1974 | "Fibre Channel Adapter"}; | |
e4adb204 JSEC |
1975 | break; |
1976 | case PCI_DEVICE_ID_NEPTUNE: | |
a747c9ce | 1977 | m = (typeof(m)){"LPe1000", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 JSEC |
1978 | break; |
1979 | case PCI_DEVICE_ID_NEPTUNE_SCSP: | |
a747c9ce | 1980 | m = (typeof(m)){"LPe1000-SP", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 JSEC |
1981 | break; |
1982 | case PCI_DEVICE_ID_NEPTUNE_DCSP: | |
a747c9ce | 1983 | m = (typeof(m)){"LPe1002-SP", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 | 1984 | break; |
dea3101e | 1985 | case PCI_DEVICE_ID_BMID: |
a747c9ce | 1986 | m = (typeof(m)){"LP1150", "PCI-X2", "Fibre Channel Adapter"}; |
dea3101e JB |
1987 | break; |
1988 | case PCI_DEVICE_ID_BSMB: | |
a747c9ce | 1989 | m = (typeof(m)){"LP111", "PCI-X2", "Fibre Channel Adapter"}; |
dea3101e JB |
1990 | break; |
1991 | case PCI_DEVICE_ID_ZEPHYR: | |
a747c9ce | 1992 | m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"}; |
dea3101e | 1993 | break; |
e4adb204 | 1994 | case PCI_DEVICE_ID_ZEPHYR_SCSP: |
a747c9ce | 1995 | m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 JSEC |
1996 | break; |
1997 | case PCI_DEVICE_ID_ZEPHYR_DCSP: | |
a747c9ce | 1998 | m = (typeof(m)){"LP2105", "PCIe", "FCoE Adapter"}; |
a257bf90 | 1999 | GE = 1; |
e4adb204 | 2000 | break; |
dea3101e | 2001 | case PCI_DEVICE_ID_ZMID: |
a747c9ce | 2002 | m = (typeof(m)){"LPe1150", "PCIe", "Fibre Channel Adapter"}; |
dea3101e JB |
2003 | break; |
2004 | case PCI_DEVICE_ID_ZSMB: | |
a747c9ce | 2005 | m = (typeof(m)){"LPe111", "PCIe", "Fibre Channel Adapter"}; |
dea3101e JB |
2006 | break; |
2007 | case PCI_DEVICE_ID_LP101: | |
a747c9ce | 2008 | m = (typeof(m)){"LP101", "PCI-X", "Fibre Channel Adapter"}; |
dea3101e JB |
2009 | break; |
2010 | case PCI_DEVICE_ID_LP10000S: | |
a747c9ce | 2011 | m = (typeof(m)){"LP10000-S", "PCI", "Fibre Channel Adapter"}; |
06325e74 | 2012 | break; |
e4adb204 | 2013 | case PCI_DEVICE_ID_LP11000S: |
a747c9ce | 2014 | m = (typeof(m)){"LP11000-S", "PCI-X2", "Fibre Channel Adapter"}; |
18a3b596 | 2015 | break; |
e4adb204 | 2016 | case PCI_DEVICE_ID_LPE11000S: |
a747c9ce | 2017 | m = (typeof(m)){"LPe11000-S", "PCIe", "Fibre Channel Adapter"}; |
5cc36b3c | 2018 | break; |
b87eab38 | 2019 | case PCI_DEVICE_ID_SAT: |
a747c9ce | 2020 | m = (typeof(m)){"LPe12000", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
2021 | break; |
2022 | case PCI_DEVICE_ID_SAT_MID: | |
a747c9ce | 2023 | m = (typeof(m)){"LPe1250", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
2024 | break; |
2025 | case PCI_DEVICE_ID_SAT_SMB: | |
a747c9ce | 2026 | m = (typeof(m)){"LPe121", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
2027 | break; |
2028 | case PCI_DEVICE_ID_SAT_DCSP: | |
a747c9ce | 2029 | m = (typeof(m)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
2030 | break; |
2031 | case PCI_DEVICE_ID_SAT_SCSP: | |
a747c9ce | 2032 | m = (typeof(m)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
2033 | break; |
2034 | case PCI_DEVICE_ID_SAT_S: | |
a747c9ce | 2035 | m = (typeof(m)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 | 2036 | break; |
84774a4d | 2037 | case PCI_DEVICE_ID_HORNET: |
a747c9ce | 2038 | m = (typeof(m)){"LP21000", "PCIe", "FCoE Adapter"}; |
84774a4d JS |
2039 | GE = 1; |
2040 | break; | |
2041 | case PCI_DEVICE_ID_PROTEUS_VF: | |
a747c9ce JS |
2042 | m = (typeof(m)){"LPev12000", "PCIe IOV", |
2043 | "Fibre Channel Adapter"}; | |
84774a4d JS |
2044 | break; |
2045 | case PCI_DEVICE_ID_PROTEUS_PF: | |
a747c9ce JS |
2046 | m = (typeof(m)){"LPev12000", "PCIe IOV", |
2047 | "Fibre Channel Adapter"}; | |
84774a4d JS |
2048 | break; |
2049 | case PCI_DEVICE_ID_PROTEUS_S: | |
a747c9ce JS |
2050 | m = (typeof(m)){"LPemv12002-S", "PCIe IOV", |
2051 | "Fibre Channel Adapter"}; | |
84774a4d | 2052 | break; |
da0436e9 JS |
2053 | case PCI_DEVICE_ID_TIGERSHARK: |
2054 | oneConnect = 1; | |
a747c9ce | 2055 | m = (typeof(m)){"OCe10100", "PCIe", "FCoE"}; |
da0436e9 | 2056 | break; |
a747c9ce | 2057 | case PCI_DEVICE_ID_TOMCAT: |
6669f9bb | 2058 | oneConnect = 1; |
a747c9ce JS |
2059 | m = (typeof(m)){"OCe11100", "PCIe", "FCoE"}; |
2060 | break; | |
2061 | case PCI_DEVICE_ID_FALCON: | |
2062 | m = (typeof(m)){"LPSe12002-ML1-E", "PCIe", | |
2063 | "EmulexSecure Fibre"}; | |
6669f9bb | 2064 | break; |
98fc5dd9 JS |
2065 | case PCI_DEVICE_ID_BALIUS: |
2066 | m = (typeof(m)){"LPVe12002", "PCIe Shared I/O", | |
2067 | "Fibre Channel Adapter"}; | |
2068 | break; | |
085c647c | 2069 | case PCI_DEVICE_ID_LANCER_FC: |
c0c11512 JS |
2070 | case PCI_DEVICE_ID_LANCER_FC_VF: |
2071 | m = (typeof(m)){"LPe16000", "PCIe", "Fibre Channel Adapter"}; | |
085c647c JS |
2072 | break; |
2073 | case PCI_DEVICE_ID_LANCER_FCOE: | |
c0c11512 | 2074 | case PCI_DEVICE_ID_LANCER_FCOE_VF: |
085c647c | 2075 | oneConnect = 1; |
079b5c91 | 2076 | m = (typeof(m)){"OCe15100", "PCIe", "FCoE"}; |
085c647c | 2077 | break; |
f8cafd38 JS |
2078 | case PCI_DEVICE_ID_SKYHAWK: |
2079 | case PCI_DEVICE_ID_SKYHAWK_VF: | |
2080 | oneConnect = 1; | |
2081 | m = (typeof(m)){"OCe14000", "PCIe", "FCoE"}; | |
2082 | break; | |
5cc36b3c | 2083 | default: |
a747c9ce | 2084 | m = (typeof(m)){"Unknown", "", ""}; |
e4adb204 | 2085 | break; |
dea3101e | 2086 | } |
74b72a59 JW |
2087 | |
2088 | if (mdp && mdp[0] == '\0') | |
2089 | snprintf(mdp, 79,"%s", m.name); | |
c0c11512 JS |
2090 | /* |
2091 | * oneConnect hba requires special processing, they are all initiators | |
da0436e9 JS |
2092 | * and we put the port number on the end |
2093 | */ | |
2094 | if (descp && descp[0] == '\0') { | |
2095 | if (oneConnect) | |
2096 | snprintf(descp, 255, | |
4169d868 | 2097 | "Emulex OneConnect %s, %s Initiator %s", |
a747c9ce | 2098 | m.name, m.function, |
da0436e9 | 2099 | phba->Port); |
4169d868 JS |
2100 | else if (max_speed == 0) |
2101 | snprintf(descp, 255, | |
2102 | "Emulex %s %s %s ", | |
2103 | m.name, m.bus, m.function); | |
da0436e9 JS |
2104 | else |
2105 | snprintf(descp, 255, | |
2106 | "Emulex %s %d%s %s %s", | |
a747c9ce JS |
2107 | m.name, max_speed, (GE) ? "GE" : "Gb", |
2108 | m.bus, m.function); | |
da0436e9 | 2109 | } |
dea3101e JB |
2110 | } |
2111 | ||
e59058c4 | 2112 | /** |
3621a710 | 2113 | * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring |
e59058c4 JS |
2114 | * @phba: pointer to lpfc hba data structure. |
2115 | * @pring: pointer to a IOCB ring. | |
2116 | * @cnt: the number of IOCBs to be posted to the IOCB ring. | |
2117 | * | |
2118 | * This routine posts a given number of IOCBs with the associated DMA buffer | |
2119 | * descriptors specified by the cnt argument to the given IOCB ring. | |
2120 | * | |
2121 | * Return codes | |
2122 | * The number of IOCBs NOT able to be posted to the IOCB ring. | |
2123 | **/ | |
dea3101e | 2124 | int |
495a714c | 2125 | lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) |
dea3101e JB |
2126 | { |
2127 | IOCB_t *icmd; | |
0bd4ca25 | 2128 | struct lpfc_iocbq *iocb; |
dea3101e JB |
2129 | struct lpfc_dmabuf *mp1, *mp2; |
2130 | ||
2131 | cnt += pring->missbufcnt; | |
2132 | ||
2133 | /* While there are buffers to post */ | |
2134 | while (cnt > 0) { | |
2135 | /* Allocate buffer for command iocb */ | |
0bd4ca25 | 2136 | iocb = lpfc_sli_get_iocbq(phba); |
dea3101e JB |
2137 | if (iocb == NULL) { |
2138 | pring->missbufcnt = cnt; | |
2139 | return cnt; | |
2140 | } | |
dea3101e JB |
2141 | icmd = &iocb->iocb; |
2142 | ||
2143 | /* 2 buffers can be posted per command */ | |
2144 | /* Allocate buffer to post */ | |
2145 | mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
2146 | if (mp1) | |
98c9ea5c JS |
2147 | mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys); |
2148 | if (!mp1 || !mp1->virt) { | |
c9475cb0 | 2149 | kfree(mp1); |
604a3e30 | 2150 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e JB |
2151 | pring->missbufcnt = cnt; |
2152 | return cnt; | |
2153 | } | |
2154 | ||
2155 | INIT_LIST_HEAD(&mp1->list); | |
2156 | /* Allocate buffer to post */ | |
2157 | if (cnt > 1) { | |
2158 | mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
2159 | if (mp2) | |
2160 | mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, | |
2161 | &mp2->phys); | |
98c9ea5c | 2162 | if (!mp2 || !mp2->virt) { |
c9475cb0 | 2163 | kfree(mp2); |
dea3101e JB |
2164 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); |
2165 | kfree(mp1); | |
604a3e30 | 2166 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e JB |
2167 | pring->missbufcnt = cnt; |
2168 | return cnt; | |
2169 | } | |
2170 | ||
2171 | INIT_LIST_HEAD(&mp2->list); | |
2172 | } else { | |
2173 | mp2 = NULL; | |
2174 | } | |
2175 | ||
2176 | icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); | |
2177 | icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); | |
2178 | icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; | |
2179 | icmd->ulpBdeCount = 1; | |
2180 | cnt--; | |
2181 | if (mp2) { | |
2182 | icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); | |
2183 | icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); | |
2184 | icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; | |
2185 | cnt--; | |
2186 | icmd->ulpBdeCount = 2; | |
2187 | } | |
2188 | ||
2189 | icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; | |
2190 | icmd->ulpLe = 1; | |
2191 | ||
3772a991 JS |
2192 | if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) == |
2193 | IOCB_ERROR) { | |
dea3101e JB |
2194 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); |
2195 | kfree(mp1); | |
2196 | cnt++; | |
2197 | if (mp2) { | |
2198 | lpfc_mbuf_free(phba, mp2->virt, mp2->phys); | |
2199 | kfree(mp2); | |
2200 | cnt++; | |
2201 | } | |
604a3e30 | 2202 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 2203 | pring->missbufcnt = cnt; |
dea3101e JB |
2204 | return cnt; |
2205 | } | |
dea3101e | 2206 | lpfc_sli_ringpostbuf_put(phba, pring, mp1); |
92d7f7b0 | 2207 | if (mp2) |
dea3101e | 2208 | lpfc_sli_ringpostbuf_put(phba, pring, mp2); |
dea3101e JB |
2209 | } |
2210 | pring->missbufcnt = 0; | |
2211 | return 0; | |
2212 | } | |
2213 | ||
e59058c4 | 2214 | /** |
3621a710 | 2215 | * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring |
e59058c4 JS |
2216 | * @phba: pointer to lpfc hba data structure. |
2217 | * | |
2218 | * This routine posts initial receive IOCB buffers to the ELS ring. The | |
2219 | * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is | |
2220 | * set to 64 IOCBs. | |
2221 | * | |
2222 | * Return codes | |
2223 | * 0 - success (currently always success) | |
2224 | **/ | |
dea3101e | 2225 | static int |
2e0fef85 | 2226 | lpfc_post_rcv_buf(struct lpfc_hba *phba) |
dea3101e JB |
2227 | { |
2228 | struct lpfc_sli *psli = &phba->sli; | |
2229 | ||
2230 | /* Ring 0, ELS / CT buffers */ | |
495a714c | 2231 | lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0); |
dea3101e JB |
2232 | /* Ring 2 - FCP no buffers needed */ |
2233 | ||
2234 | return 0; | |
2235 | } | |
2236 | ||
2237 | #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) | |
2238 | ||
e59058c4 | 2239 | /** |
3621a710 | 2240 | * lpfc_sha_init - Set up initial array of hash table entries |
e59058c4 JS |
2241 | * @HashResultPointer: pointer to an array as hash table. |
2242 | * | |
2243 | * This routine sets up the initial values to the array of hash table entries | |
2244 | * for the LC HBAs. | |
2245 | **/ | |
dea3101e JB |
2246 | static void |
2247 | lpfc_sha_init(uint32_t * HashResultPointer) | |
2248 | { | |
2249 | HashResultPointer[0] = 0x67452301; | |
2250 | HashResultPointer[1] = 0xEFCDAB89; | |
2251 | HashResultPointer[2] = 0x98BADCFE; | |
2252 | HashResultPointer[3] = 0x10325476; | |
2253 | HashResultPointer[4] = 0xC3D2E1F0; | |
2254 | } | |
2255 | ||
e59058c4 | 2256 | /** |
3621a710 | 2257 | * lpfc_sha_iterate - Iterate initial hash table with the working hash table |
e59058c4 JS |
2258 | * @HashResultPointer: pointer to an initial/result hash table. |
2259 | * @HashWorkingPointer: pointer to an working hash table. | |
2260 | * | |
2261 | * This routine iterates an initial hash table pointed by @HashResultPointer | |
2262 | * with the values from the working hash table pointeed by @HashWorkingPointer. | |
2263 | * The results are putting back to the initial hash table, returned through | |
2264 | * the @HashResultPointer as the result hash table. | |
2265 | **/ | |
dea3101e JB |
2266 | static void |
2267 | lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) | |
2268 | { | |
2269 | int t; | |
2270 | uint32_t TEMP; | |
2271 | uint32_t A, B, C, D, E; | |
2272 | t = 16; | |
2273 | do { | |
2274 | HashWorkingPointer[t] = | |
2275 | S(1, | |
2276 | HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - | |
2277 | 8] ^ | |
2278 | HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); | |
2279 | } while (++t <= 79); | |
2280 | t = 0; | |
2281 | A = HashResultPointer[0]; | |
2282 | B = HashResultPointer[1]; | |
2283 | C = HashResultPointer[2]; | |
2284 | D = HashResultPointer[3]; | |
2285 | E = HashResultPointer[4]; | |
2286 | ||
2287 | do { | |
2288 | if (t < 20) { | |
2289 | TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; | |
2290 | } else if (t < 40) { | |
2291 | TEMP = (B ^ C ^ D) + 0x6ED9EBA1; | |
2292 | } else if (t < 60) { | |
2293 | TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; | |
2294 | } else { | |
2295 | TEMP = (B ^ C ^ D) + 0xCA62C1D6; | |
2296 | } | |
2297 | TEMP += S(5, A) + E + HashWorkingPointer[t]; | |
2298 | E = D; | |
2299 | D = C; | |
2300 | C = S(30, B); | |
2301 | B = A; | |
2302 | A = TEMP; | |
2303 | } while (++t <= 79); | |
2304 | ||
2305 | HashResultPointer[0] += A; | |
2306 | HashResultPointer[1] += B; | |
2307 | HashResultPointer[2] += C; | |
2308 | HashResultPointer[3] += D; | |
2309 | HashResultPointer[4] += E; | |
2310 | ||
2311 | } | |
2312 | ||
e59058c4 | 2313 | /** |
3621a710 | 2314 | * lpfc_challenge_key - Create challenge key based on WWPN of the HBA |
e59058c4 JS |
2315 | * @RandomChallenge: pointer to the entry of host challenge random number array. |
2316 | * @HashWorking: pointer to the entry of the working hash array. | |
2317 | * | |
2318 | * This routine calculates the working hash array referred by @HashWorking | |
2319 | * from the challenge random numbers associated with the host, referred by | |
2320 | * @RandomChallenge. The result is put into the entry of the working hash | |
2321 | * array and returned by reference through @HashWorking. | |
2322 | **/ | |
dea3101e JB |
2323 | static void |
2324 | lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) | |
2325 | { | |
2326 | *HashWorking = (*RandomChallenge ^ *HashWorking); | |
2327 | } | |
2328 | ||
e59058c4 | 2329 | /** |
3621a710 | 2330 | * lpfc_hba_init - Perform special handling for LC HBA initialization |
e59058c4 JS |
2331 | * @phba: pointer to lpfc hba data structure. |
2332 | * @hbainit: pointer to an array of unsigned 32-bit integers. | |
2333 | * | |
2334 | * This routine performs the special handling for LC HBA initialization. | |
2335 | **/ | |
dea3101e JB |
2336 | void |
2337 | lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) | |
2338 | { | |
2339 | int t; | |
2340 | uint32_t *HashWorking; | |
2e0fef85 | 2341 | uint32_t *pwwnn = (uint32_t *) phba->wwnn; |
dea3101e | 2342 | |
bbfbbbc1 | 2343 | HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL); |
dea3101e JB |
2344 | if (!HashWorking) |
2345 | return; | |
2346 | ||
dea3101e JB |
2347 | HashWorking[0] = HashWorking[78] = *pwwnn++; |
2348 | HashWorking[1] = HashWorking[79] = *pwwnn; | |
2349 | ||
2350 | for (t = 0; t < 7; t++) | |
2351 | lpfc_challenge_key(phba->RandomData + t, HashWorking + t); | |
2352 | ||
2353 | lpfc_sha_init(hbainit); | |
2354 | lpfc_sha_iterate(hbainit, HashWorking); | |
2355 | kfree(HashWorking); | |
2356 | } | |
2357 | ||
e59058c4 | 2358 | /** |
3621a710 | 2359 | * lpfc_cleanup - Performs vport cleanups before deleting a vport |
e59058c4 JS |
2360 | * @vport: pointer to a virtual N_Port data structure. |
2361 | * | |
2362 | * This routine performs the necessary cleanups before deleting the @vport. | |
2363 | * It invokes the discovery state machine to perform necessary state | |
2364 | * transitions and to release the ndlps associated with the @vport. Note, | |
2365 | * the physical port is treated as @vport 0. | |
2366 | **/ | |
87af33fe | 2367 | void |
2e0fef85 | 2368 | lpfc_cleanup(struct lpfc_vport *vport) |
dea3101e | 2369 | { |
87af33fe | 2370 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2371 | struct lpfc_nodelist *ndlp, *next_ndlp; |
a8adb832 | 2372 | int i = 0; |
dea3101e | 2373 | |
87af33fe JS |
2374 | if (phba->link_state > LPFC_LINK_DOWN) |
2375 | lpfc_port_link_failure(vport); | |
2376 | ||
2377 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
e47c9093 JS |
2378 | if (!NLP_CHK_NODE_ACT(ndlp)) { |
2379 | ndlp = lpfc_enable_node(vport, ndlp, | |
2380 | NLP_STE_UNUSED_NODE); | |
2381 | if (!ndlp) | |
2382 | continue; | |
2383 | spin_lock_irq(&phba->ndlp_lock); | |
2384 | NLP_SET_FREE_REQ(ndlp); | |
2385 | spin_unlock_irq(&phba->ndlp_lock); | |
2386 | /* Trigger the release of the ndlp memory */ | |
2387 | lpfc_nlp_put(ndlp); | |
2388 | continue; | |
2389 | } | |
2390 | spin_lock_irq(&phba->ndlp_lock); | |
2391 | if (NLP_CHK_FREE_REQ(ndlp)) { | |
2392 | /* The ndlp should not be in memory free mode already */ | |
2393 | spin_unlock_irq(&phba->ndlp_lock); | |
2394 | continue; | |
2395 | } else | |
2396 | /* Indicate request for freeing ndlp memory */ | |
2397 | NLP_SET_FREE_REQ(ndlp); | |
2398 | spin_unlock_irq(&phba->ndlp_lock); | |
2399 | ||
58da1ffb JS |
2400 | if (vport->port_type != LPFC_PHYSICAL_PORT && |
2401 | ndlp->nlp_DID == Fabric_DID) { | |
2402 | /* Just free up ndlp with Fabric_DID for vports */ | |
2403 | lpfc_nlp_put(ndlp); | |
2404 | continue; | |
2405 | } | |
2406 | ||
eff4a01b JS |
2407 | /* take care of nodes in unused state before the state |
2408 | * machine taking action. | |
2409 | */ | |
2410 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) { | |
2411 | lpfc_nlp_put(ndlp); | |
2412 | continue; | |
2413 | } | |
2414 | ||
87af33fe JS |
2415 | if (ndlp->nlp_type & NLP_FABRIC) |
2416 | lpfc_disc_state_machine(vport, ndlp, NULL, | |
2417 | NLP_EVT_DEVICE_RECOVERY); | |
e47c9093 | 2418 | |
87af33fe JS |
2419 | lpfc_disc_state_machine(vport, ndlp, NULL, |
2420 | NLP_EVT_DEVICE_RM); | |
2421 | } | |
2422 | ||
a8adb832 JS |
2423 | /* At this point, ALL ndlp's should be gone |
2424 | * because of the previous NLP_EVT_DEVICE_RM. | |
2425 | * Lets wait for this to happen, if needed. | |
2426 | */ | |
87af33fe | 2427 | while (!list_empty(&vport->fc_nodes)) { |
a8adb832 | 2428 | if (i++ > 3000) { |
87af33fe | 2429 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
a8adb832 | 2430 | "0233 Nodelist not empty\n"); |
e47c9093 JS |
2431 | list_for_each_entry_safe(ndlp, next_ndlp, |
2432 | &vport->fc_nodes, nlp_listp) { | |
2433 | lpfc_printf_vlog(ndlp->vport, KERN_ERR, | |
2434 | LOG_NODE, | |
d7c255b2 | 2435 | "0282 did:x%x ndlp:x%p " |
e47c9093 JS |
2436 | "usgmap:x%x refcnt:%d\n", |
2437 | ndlp->nlp_DID, (void *)ndlp, | |
2438 | ndlp->nlp_usg_map, | |
2439 | atomic_read( | |
2440 | &ndlp->kref.refcount)); | |
2441 | } | |
a8adb832 | 2442 | break; |
87af33fe | 2443 | } |
a8adb832 JS |
2444 | |
2445 | /* Wait for any activity on ndlps to settle */ | |
2446 | msleep(10); | |
87af33fe | 2447 | } |
1151e3ec | 2448 | lpfc_cleanup_vports_rrqs(vport, NULL); |
dea3101e JB |
2449 | } |
2450 | ||
e59058c4 | 2451 | /** |
3621a710 | 2452 | * lpfc_stop_vport_timers - Stop all the timers associated with a vport |
e59058c4 JS |
2453 | * @vport: pointer to a virtual N_Port data structure. |
2454 | * | |
2455 | * This routine stops all the timers associated with a @vport. This function | |
2456 | * is invoked before disabling or deleting a @vport. Note that the physical | |
2457 | * port is treated as @vport 0. | |
2458 | **/ | |
92d7f7b0 JS |
2459 | void |
2460 | lpfc_stop_vport_timers(struct lpfc_vport *vport) | |
dea3101e | 2461 | { |
92d7f7b0 JS |
2462 | del_timer_sync(&vport->els_tmofunc); |
2463 | del_timer_sync(&vport->fc_fdmitmo); | |
92494144 | 2464 | del_timer_sync(&vport->delayed_disc_tmo); |
92d7f7b0 JS |
2465 | lpfc_can_disctmo(vport); |
2466 | return; | |
dea3101e JB |
2467 | } |
2468 | ||
ecfd03c6 JS |
2469 | /** |
2470 | * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer | |
2471 | * @phba: pointer to lpfc hba data structure. | |
2472 | * | |
2473 | * This routine stops the SLI4 FCF rediscover wait timer if it's on. The | |
2474 | * caller of this routine should already hold the host lock. | |
2475 | **/ | |
2476 | void | |
2477 | __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba) | |
2478 | { | |
5ac6b303 JS |
2479 | /* Clear pending FCF rediscovery wait flag */ |
2480 | phba->fcf.fcf_flag &= ~FCF_REDISC_PEND; | |
2481 | ||
ecfd03c6 JS |
2482 | /* Now, try to stop the timer */ |
2483 | del_timer(&phba->fcf.redisc_wait); | |
2484 | } | |
2485 | ||
2486 | /** | |
2487 | * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer | |
2488 | * @phba: pointer to lpfc hba data structure. | |
2489 | * | |
2490 | * This routine stops the SLI4 FCF rediscover wait timer if it's on. It | |
2491 | * checks whether the FCF rediscovery wait timer is pending with the host | |
2492 | * lock held before proceeding with disabling the timer and clearing the | |
2493 | * wait timer pendig flag. | |
2494 | **/ | |
2495 | void | |
2496 | lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba) | |
2497 | { | |
2498 | spin_lock_irq(&phba->hbalock); | |
2499 | if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) { | |
2500 | /* FCF rediscovery timer already fired or stopped */ | |
2501 | spin_unlock_irq(&phba->hbalock); | |
2502 | return; | |
2503 | } | |
2504 | __lpfc_sli4_stop_fcf_redisc_wait_timer(phba); | |
5ac6b303 JS |
2505 | /* Clear failover in progress flags */ |
2506 | phba->fcf.fcf_flag &= ~(FCF_DEAD_DISC | FCF_ACVL_DISC); | |
ecfd03c6 JS |
2507 | spin_unlock_irq(&phba->hbalock); |
2508 | } | |
2509 | ||
e59058c4 | 2510 | /** |
3772a991 | 2511 | * lpfc_stop_hba_timers - Stop all the timers associated with an HBA |
e59058c4 JS |
2512 | * @phba: pointer to lpfc hba data structure. |
2513 | * | |
2514 | * This routine stops all the timers associated with a HBA. This function is | |
2515 | * invoked before either putting a HBA offline or unloading the driver. | |
2516 | **/ | |
3772a991 JS |
2517 | void |
2518 | lpfc_stop_hba_timers(struct lpfc_hba *phba) | |
dea3101e | 2519 | { |
51ef4c26 | 2520 | lpfc_stop_vport_timers(phba->pport); |
2e0fef85 | 2521 | del_timer_sync(&phba->sli.mbox_tmo); |
92d7f7b0 | 2522 | del_timer_sync(&phba->fabric_block_timer); |
9399627f | 2523 | del_timer_sync(&phba->eratt_poll); |
3772a991 | 2524 | del_timer_sync(&phba->hb_tmofunc); |
1151e3ec JS |
2525 | if (phba->sli_rev == LPFC_SLI_REV4) { |
2526 | del_timer_sync(&phba->rrq_tmr); | |
2527 | phba->hba_flag &= ~HBA_RRQ_ACTIVE; | |
2528 | } | |
3772a991 JS |
2529 | phba->hb_outstanding = 0; |
2530 | ||
2531 | switch (phba->pci_dev_grp) { | |
2532 | case LPFC_PCI_DEV_LP: | |
2533 | /* Stop any LightPulse device specific driver timers */ | |
2534 | del_timer_sync(&phba->fcp_poll_timer); | |
2535 | break; | |
2536 | case LPFC_PCI_DEV_OC: | |
2537 | /* Stop any OneConnect device sepcific driver timers */ | |
ecfd03c6 | 2538 | lpfc_sli4_stop_fcf_redisc_wait_timer(phba); |
3772a991 JS |
2539 | break; |
2540 | default: | |
2541 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2542 | "0297 Invalid device group (x%x)\n", | |
2543 | phba->pci_dev_grp); | |
2544 | break; | |
2545 | } | |
2e0fef85 | 2546 | return; |
dea3101e JB |
2547 | } |
2548 | ||
e59058c4 | 2549 | /** |
3621a710 | 2550 | * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked |
e59058c4 JS |
2551 | * @phba: pointer to lpfc hba data structure. |
2552 | * | |
2553 | * This routine marks a HBA's management interface as blocked. Once the HBA's | |
2554 | * management interface is marked as blocked, all the user space access to | |
2555 | * the HBA, whether they are from sysfs interface or libdfc interface will | |
2556 | * all be blocked. The HBA is set to block the management interface when the | |
2557 | * driver prepares the HBA interface for online or offline. | |
2558 | **/ | |
a6ababd2 | 2559 | static void |
618a5230 | 2560 | lpfc_block_mgmt_io(struct lpfc_hba *phba, int mbx_action) |
a6ababd2 AB |
2561 | { |
2562 | unsigned long iflag; | |
6e7288d9 JS |
2563 | uint8_t actcmd = MBX_HEARTBEAT; |
2564 | unsigned long timeout; | |
2565 | ||
a6ababd2 AB |
2566 | spin_lock_irqsave(&phba->hbalock, iflag); |
2567 | phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; | |
618a5230 JS |
2568 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
2569 | if (mbx_action == LPFC_MBX_NO_WAIT) | |
2570 | return; | |
2571 | timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies; | |
2572 | spin_lock_irqsave(&phba->hbalock, iflag); | |
a183a15f | 2573 | if (phba->sli.mbox_active) { |
6e7288d9 | 2574 | actcmd = phba->sli.mbox_active->u.mb.mbxCommand; |
a183a15f JS |
2575 | /* Determine how long we might wait for the active mailbox |
2576 | * command to be gracefully completed by firmware. | |
2577 | */ | |
2578 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, | |
2579 | phba->sli.mbox_active) * 1000) + jiffies; | |
2580 | } | |
a6ababd2 | 2581 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a183a15f | 2582 | |
6e7288d9 JS |
2583 | /* Wait for the outstnading mailbox command to complete */ |
2584 | while (phba->sli.mbox_active) { | |
2585 | /* Check active mailbox complete status every 2ms */ | |
2586 | msleep(2); | |
2587 | if (time_after(jiffies, timeout)) { | |
2588 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2589 | "2813 Mgmt IO is Blocked %x " | |
2590 | "- mbox cmd %x still active\n", | |
2591 | phba->sli.sli_flag, actcmd); | |
2592 | break; | |
2593 | } | |
2594 | } | |
a6ababd2 AB |
2595 | } |
2596 | ||
6b5151fd JS |
2597 | /** |
2598 | * lpfc_sli4_node_prep - Assign RPIs for active nodes. | |
2599 | * @phba: pointer to lpfc hba data structure. | |
2600 | * | |
2601 | * Allocate RPIs for all active remote nodes. This is needed whenever | |
2602 | * an SLI4 adapter is reset and the driver is not unloading. Its purpose | |
2603 | * is to fixup the temporary rpi assignments. | |
2604 | **/ | |
2605 | void | |
2606 | lpfc_sli4_node_prep(struct lpfc_hba *phba) | |
2607 | { | |
2608 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2609 | struct lpfc_vport **vports; | |
2610 | int i; | |
2611 | ||
2612 | if (phba->sli_rev != LPFC_SLI_REV4) | |
2613 | return; | |
2614 | ||
2615 | vports = lpfc_create_vport_work_array(phba); | |
2616 | if (vports != NULL) { | |
2617 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { | |
2618 | if (vports[i]->load_flag & FC_UNLOADING) | |
2619 | continue; | |
2620 | ||
2621 | list_for_each_entry_safe(ndlp, next_ndlp, | |
2622 | &vports[i]->fc_nodes, | |
2623 | nlp_listp) { | |
2624 | if (NLP_CHK_NODE_ACT(ndlp)) | |
2625 | ndlp->nlp_rpi = | |
2626 | lpfc_sli4_alloc_rpi(phba); | |
2627 | } | |
2628 | } | |
2629 | } | |
2630 | lpfc_destroy_vport_work_array(phba, vports); | |
2631 | } | |
2632 | ||
e59058c4 | 2633 | /** |
3621a710 | 2634 | * lpfc_online - Initialize and bring a HBA online |
e59058c4 JS |
2635 | * @phba: pointer to lpfc hba data structure. |
2636 | * | |
2637 | * This routine initializes the HBA and brings a HBA online. During this | |
2638 | * process, the management interface is blocked to prevent user space access | |
2639 | * to the HBA interfering with the driver initialization. | |
2640 | * | |
2641 | * Return codes | |
2642 | * 0 - successful | |
2643 | * 1 - failed | |
2644 | **/ | |
dea3101e | 2645 | int |
2e0fef85 | 2646 | lpfc_online(struct lpfc_hba *phba) |
dea3101e | 2647 | { |
372bd282 | 2648 | struct lpfc_vport *vport; |
549e55cd JS |
2649 | struct lpfc_vport **vports; |
2650 | int i; | |
16a3a208 | 2651 | bool vpis_cleared = false; |
2e0fef85 | 2652 | |
dea3101e JB |
2653 | if (!phba) |
2654 | return 0; | |
372bd282 | 2655 | vport = phba->pport; |
dea3101e | 2656 | |
2e0fef85 | 2657 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) |
dea3101e JB |
2658 | return 0; |
2659 | ||
ed957684 | 2660 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 2661 | "0458 Bring Adapter online\n"); |
dea3101e | 2662 | |
618a5230 | 2663 | lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT); |
46fa311e JS |
2664 | |
2665 | if (!lpfc_sli_queue_setup(phba)) { | |
2666 | lpfc_unblock_mgmt_io(phba); | |
dea3101e | 2667 | return 1; |
46fa311e | 2668 | } |
dea3101e | 2669 | |
da0436e9 JS |
2670 | if (phba->sli_rev == LPFC_SLI_REV4) { |
2671 | if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */ | |
2672 | lpfc_unblock_mgmt_io(phba); | |
2673 | return 1; | |
2674 | } | |
16a3a208 JS |
2675 | spin_lock_irq(&phba->hbalock); |
2676 | if (!phba->sli4_hba.max_cfg_param.vpi_used) | |
2677 | vpis_cleared = true; | |
2678 | spin_unlock_irq(&phba->hbalock); | |
da0436e9 JS |
2679 | } else { |
2680 | if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */ | |
2681 | lpfc_unblock_mgmt_io(phba); | |
2682 | return 1; | |
2683 | } | |
46fa311e | 2684 | } |
dea3101e | 2685 | |
549e55cd JS |
2686 | vports = lpfc_create_vport_work_array(phba); |
2687 | if (vports != NULL) | |
da0436e9 | 2688 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd JS |
2689 | struct Scsi_Host *shost; |
2690 | shost = lpfc_shost_from_vport(vports[i]); | |
2691 | spin_lock_irq(shost->host_lock); | |
2692 | vports[i]->fc_flag &= ~FC_OFFLINE_MODE; | |
2693 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
2694 | vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
16a3a208 | 2695 | if (phba->sli_rev == LPFC_SLI_REV4) { |
1c6834a7 | 2696 | vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; |
16a3a208 JS |
2697 | if ((vpis_cleared) && |
2698 | (vports[i]->port_type != | |
2699 | LPFC_PHYSICAL_PORT)) | |
2700 | vports[i]->vpi = 0; | |
2701 | } | |
549e55cd JS |
2702 | spin_unlock_irq(shost->host_lock); |
2703 | } | |
09372820 | 2704 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 2705 | |
46fa311e | 2706 | lpfc_unblock_mgmt_io(phba); |
dea3101e JB |
2707 | return 0; |
2708 | } | |
2709 | ||
e59058c4 | 2710 | /** |
3621a710 | 2711 | * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked |
e59058c4 JS |
2712 | * @phba: pointer to lpfc hba data structure. |
2713 | * | |
2714 | * This routine marks a HBA's management interface as not blocked. Once the | |
2715 | * HBA's management interface is marked as not blocked, all the user space | |
2716 | * access to the HBA, whether they are from sysfs interface or libdfc | |
2717 | * interface will be allowed. The HBA is set to block the management interface | |
2718 | * when the driver prepares the HBA interface for online or offline and then | |
2719 | * set to unblock the management interface afterwards. | |
2720 | **/ | |
46fa311e JS |
2721 | void |
2722 | lpfc_unblock_mgmt_io(struct lpfc_hba * phba) | |
2723 | { | |
2724 | unsigned long iflag; | |
2725 | ||
2e0fef85 JS |
2726 | spin_lock_irqsave(&phba->hbalock, iflag); |
2727 | phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO; | |
2728 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
46fa311e JS |
2729 | } |
2730 | ||
e59058c4 | 2731 | /** |
3621a710 | 2732 | * lpfc_offline_prep - Prepare a HBA to be brought offline |
e59058c4 JS |
2733 | * @phba: pointer to lpfc hba data structure. |
2734 | * | |
2735 | * This routine is invoked to prepare a HBA to be brought offline. It performs | |
2736 | * unregistration login to all the nodes on all vports and flushes the mailbox | |
2737 | * queue to make it ready to be brought offline. | |
2738 | **/ | |
46fa311e | 2739 | void |
618a5230 | 2740 | lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action) |
46fa311e | 2741 | { |
2e0fef85 | 2742 | struct lpfc_vport *vport = phba->pport; |
46fa311e | 2743 | struct lpfc_nodelist *ndlp, *next_ndlp; |
87af33fe | 2744 | struct lpfc_vport **vports; |
72100cc4 | 2745 | struct Scsi_Host *shost; |
87af33fe | 2746 | int i; |
dea3101e | 2747 | |
2e0fef85 | 2748 | if (vport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 2749 | return; |
dea3101e | 2750 | |
618a5230 | 2751 | lpfc_block_mgmt_io(phba, mbx_action); |
dea3101e JB |
2752 | |
2753 | lpfc_linkdown(phba); | |
2754 | ||
87af33fe JS |
2755 | /* Issue an unreg_login to all nodes on all vports */ |
2756 | vports = lpfc_create_vport_work_array(phba); | |
2757 | if (vports != NULL) { | |
da0436e9 | 2758 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
a8adb832 JS |
2759 | if (vports[i]->load_flag & FC_UNLOADING) |
2760 | continue; | |
72100cc4 JS |
2761 | shost = lpfc_shost_from_vport(vports[i]); |
2762 | spin_lock_irq(shost->host_lock); | |
c868595d | 2763 | vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED; |
695a814e JS |
2764 | vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
2765 | vports[i]->fc_flag &= ~FC_VFI_REGISTERED; | |
72100cc4 | 2766 | spin_unlock_irq(shost->host_lock); |
695a814e | 2767 | |
87af33fe JS |
2768 | shost = lpfc_shost_from_vport(vports[i]); |
2769 | list_for_each_entry_safe(ndlp, next_ndlp, | |
2770 | &vports[i]->fc_nodes, | |
2771 | nlp_listp) { | |
e47c9093 JS |
2772 | if (!NLP_CHK_NODE_ACT(ndlp)) |
2773 | continue; | |
87af33fe JS |
2774 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
2775 | continue; | |
2776 | if (ndlp->nlp_type & NLP_FABRIC) { | |
2777 | lpfc_disc_state_machine(vports[i], ndlp, | |
2778 | NULL, NLP_EVT_DEVICE_RECOVERY); | |
2779 | lpfc_disc_state_machine(vports[i], ndlp, | |
2780 | NULL, NLP_EVT_DEVICE_RM); | |
2781 | } | |
2782 | spin_lock_irq(shost->host_lock); | |
2783 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
401ee0c1 | 2784 | spin_unlock_irq(shost->host_lock); |
6b5151fd JS |
2785 | /* |
2786 | * Whenever an SLI4 port goes offline, free the | |
401ee0c1 JS |
2787 | * RPI. Get a new RPI when the adapter port |
2788 | * comes back online. | |
6b5151fd JS |
2789 | */ |
2790 | if (phba->sli_rev == LPFC_SLI_REV4) | |
2791 | lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi); | |
87af33fe JS |
2792 | lpfc_unreg_rpi(vports[i], ndlp); |
2793 | } | |
2794 | } | |
2795 | } | |
09372820 | 2796 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 2797 | |
618a5230 | 2798 | lpfc_sli_mbox_sys_shutdown(phba, mbx_action); |
46fa311e JS |
2799 | } |
2800 | ||
e59058c4 | 2801 | /** |
3621a710 | 2802 | * lpfc_offline - Bring a HBA offline |
e59058c4 JS |
2803 | * @phba: pointer to lpfc hba data structure. |
2804 | * | |
2805 | * This routine actually brings a HBA offline. It stops all the timers | |
2806 | * associated with the HBA, brings down the SLI layer, and eventually | |
2807 | * marks the HBA as in offline state for the upper layer protocol. | |
2808 | **/ | |
46fa311e | 2809 | void |
2e0fef85 | 2810 | lpfc_offline(struct lpfc_hba *phba) |
46fa311e | 2811 | { |
549e55cd JS |
2812 | struct Scsi_Host *shost; |
2813 | struct lpfc_vport **vports; | |
2814 | int i; | |
46fa311e | 2815 | |
549e55cd | 2816 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 2817 | return; |
688a8863 | 2818 | |
da0436e9 JS |
2819 | /* stop port and all timers associated with this hba */ |
2820 | lpfc_stop_port(phba); | |
51ef4c26 JS |
2821 | vports = lpfc_create_vport_work_array(phba); |
2822 | if (vports != NULL) | |
da0436e9 | 2823 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) |
51ef4c26 | 2824 | lpfc_stop_vport_timers(vports[i]); |
09372820 | 2825 | lpfc_destroy_vport_work_array(phba, vports); |
92d7f7b0 | 2826 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 2827 | "0460 Bring Adapter offline\n"); |
dea3101e JB |
2828 | /* Bring down the SLI Layer and cleanup. The HBA is offline |
2829 | now. */ | |
2830 | lpfc_sli_hba_down(phba); | |
92d7f7b0 | 2831 | spin_lock_irq(&phba->hbalock); |
7054a606 | 2832 | phba->work_ha = 0; |
92d7f7b0 | 2833 | spin_unlock_irq(&phba->hbalock); |
549e55cd JS |
2834 | vports = lpfc_create_vport_work_array(phba); |
2835 | if (vports != NULL) | |
da0436e9 | 2836 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd | 2837 | shost = lpfc_shost_from_vport(vports[i]); |
549e55cd JS |
2838 | spin_lock_irq(shost->host_lock); |
2839 | vports[i]->work_port_events = 0; | |
2840 | vports[i]->fc_flag |= FC_OFFLINE_MODE; | |
2841 | spin_unlock_irq(shost->host_lock); | |
2842 | } | |
09372820 | 2843 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e JB |
2844 | } |
2845 | ||
e59058c4 | 2846 | /** |
3621a710 | 2847 | * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists |
e59058c4 JS |
2848 | * @phba: pointer to lpfc hba data structure. |
2849 | * | |
2850 | * This routine is to free all the SCSI buffers and IOCBs from the driver | |
2851 | * list back to kernel. It is called from lpfc_pci_remove_one to free | |
2852 | * the internal resources before the device is removed from the system. | |
e59058c4 | 2853 | **/ |
8a9d2e80 | 2854 | static void |
2e0fef85 | 2855 | lpfc_scsi_free(struct lpfc_hba *phba) |
dea3101e JB |
2856 | { |
2857 | struct lpfc_scsi_buf *sb, *sb_next; | |
2858 | struct lpfc_iocbq *io, *io_next; | |
2859 | ||
2e0fef85 | 2860 | spin_lock_irq(&phba->hbalock); |
a40fc5f0 | 2861 | |
dea3101e | 2862 | /* Release all the lpfc_scsi_bufs maintained by this host. */ |
a40fc5f0 JS |
2863 | |
2864 | spin_lock(&phba->scsi_buf_list_put_lock); | |
2865 | list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_put, | |
2866 | list) { | |
dea3101e JB |
2867 | list_del(&sb->list); |
2868 | pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, | |
92d7f7b0 | 2869 | sb->dma_handle); |
dea3101e JB |
2870 | kfree(sb); |
2871 | phba->total_scsi_bufs--; | |
2872 | } | |
a40fc5f0 JS |
2873 | spin_unlock(&phba->scsi_buf_list_put_lock); |
2874 | ||
2875 | spin_lock(&phba->scsi_buf_list_get_lock); | |
2876 | list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_get, | |
2877 | list) { | |
dea3101e JB |
2878 | list_del(&sb->list); |
2879 | pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, | |
92d7f7b0 | 2880 | sb->dma_handle); |
dea3101e JB |
2881 | kfree(sb); |
2882 | phba->total_scsi_bufs--; | |
2883 | } | |
a40fc5f0 | 2884 | spin_unlock(&phba->scsi_buf_list_get_lock); |
dea3101e JB |
2885 | |
2886 | /* Release all the lpfc_iocbq entries maintained by this host. */ | |
2887 | list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { | |
2888 | list_del(&io->list); | |
2889 | kfree(io); | |
2890 | phba->total_iocbq_bufs--; | |
2891 | } | |
6d368e53 | 2892 | |
2e0fef85 | 2893 | spin_unlock_irq(&phba->hbalock); |
8a9d2e80 JS |
2894 | } |
2895 | ||
2896 | /** | |
2897 | * lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping | |
2898 | * @phba: pointer to lpfc hba data structure. | |
2899 | * | |
2900 | * This routine first calculates the sizes of the current els and allocated | |
2901 | * scsi sgl lists, and then goes through all sgls to updates the physical | |
2902 | * XRIs assigned due to port function reset. During port initialization, the | |
2903 | * current els and allocated scsi sgl lists are 0s. | |
2904 | * | |
2905 | * Return codes | |
2906 | * 0 - successful (for now, it always returns 0) | |
2907 | **/ | |
2908 | int | |
2909 | lpfc_sli4_xri_sgl_update(struct lpfc_hba *phba) | |
2910 | { | |
2911 | struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL; | |
2912 | struct lpfc_scsi_buf *psb = NULL, *psb_next = NULL; | |
2913 | uint16_t i, lxri, xri_cnt, els_xri_cnt, scsi_xri_cnt; | |
2914 | LIST_HEAD(els_sgl_list); | |
2915 | LIST_HEAD(scsi_sgl_list); | |
2916 | int rc; | |
2917 | ||
2918 | /* | |
2919 | * update on pci function's els xri-sgl list | |
2920 | */ | |
2921 | els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); | |
2922 | if (els_xri_cnt > phba->sli4_hba.els_xri_cnt) { | |
2923 | /* els xri-sgl expanded */ | |
2924 | xri_cnt = els_xri_cnt - phba->sli4_hba.els_xri_cnt; | |
2925 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
2926 | "3157 ELS xri-sgl count increased from " | |
2927 | "%d to %d\n", phba->sli4_hba.els_xri_cnt, | |
2928 | els_xri_cnt); | |
2929 | /* allocate the additional els sgls */ | |
2930 | for (i = 0; i < xri_cnt; i++) { | |
2931 | sglq_entry = kzalloc(sizeof(struct lpfc_sglq), | |
2932 | GFP_KERNEL); | |
2933 | if (sglq_entry == NULL) { | |
2934 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2935 | "2562 Failure to allocate an " | |
2936 | "ELS sgl entry:%d\n", i); | |
2937 | rc = -ENOMEM; | |
2938 | goto out_free_mem; | |
2939 | } | |
2940 | sglq_entry->buff_type = GEN_BUFF_TYPE; | |
2941 | sglq_entry->virt = lpfc_mbuf_alloc(phba, 0, | |
2942 | &sglq_entry->phys); | |
2943 | if (sglq_entry->virt == NULL) { | |
2944 | kfree(sglq_entry); | |
2945 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2946 | "2563 Failure to allocate an " | |
2947 | "ELS mbuf:%d\n", i); | |
2948 | rc = -ENOMEM; | |
2949 | goto out_free_mem; | |
2950 | } | |
2951 | sglq_entry->sgl = sglq_entry->virt; | |
2952 | memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE); | |
2953 | sglq_entry->state = SGL_FREED; | |
2954 | list_add_tail(&sglq_entry->list, &els_sgl_list); | |
2955 | } | |
38c20673 | 2956 | spin_lock_irq(&phba->hbalock); |
8a9d2e80 | 2957 | list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list); |
38c20673 | 2958 | spin_unlock_irq(&phba->hbalock); |
8a9d2e80 JS |
2959 | } else if (els_xri_cnt < phba->sli4_hba.els_xri_cnt) { |
2960 | /* els xri-sgl shrinked */ | |
2961 | xri_cnt = phba->sli4_hba.els_xri_cnt - els_xri_cnt; | |
2962 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
2963 | "3158 ELS xri-sgl count decreased from " | |
2964 | "%d to %d\n", phba->sli4_hba.els_xri_cnt, | |
2965 | els_xri_cnt); | |
2966 | spin_lock_irq(&phba->hbalock); | |
2967 | list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &els_sgl_list); | |
2968 | spin_unlock_irq(&phba->hbalock); | |
2969 | /* release extra els sgls from list */ | |
2970 | for (i = 0; i < xri_cnt; i++) { | |
2971 | list_remove_head(&els_sgl_list, | |
2972 | sglq_entry, struct lpfc_sglq, list); | |
2973 | if (sglq_entry) { | |
2974 | lpfc_mbuf_free(phba, sglq_entry->virt, | |
2975 | sglq_entry->phys); | |
2976 | kfree(sglq_entry); | |
2977 | } | |
2978 | } | |
2979 | spin_lock_irq(&phba->hbalock); | |
2980 | list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list); | |
2981 | spin_unlock_irq(&phba->hbalock); | |
2982 | } else | |
2983 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
2984 | "3163 ELS xri-sgl count unchanged: %d\n", | |
2985 | els_xri_cnt); | |
2986 | phba->sli4_hba.els_xri_cnt = els_xri_cnt; | |
2987 | ||
2988 | /* update xris to els sgls on the list */ | |
2989 | sglq_entry = NULL; | |
2990 | sglq_entry_next = NULL; | |
2991 | list_for_each_entry_safe(sglq_entry, sglq_entry_next, | |
2992 | &phba->sli4_hba.lpfc_sgl_list, list) { | |
2993 | lxri = lpfc_sli4_next_xritag(phba); | |
2994 | if (lxri == NO_XRI) { | |
2995 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2996 | "2400 Failed to allocate xri for " | |
2997 | "ELS sgl\n"); | |
2998 | rc = -ENOMEM; | |
2999 | goto out_free_mem; | |
3000 | } | |
3001 | sglq_entry->sli4_lxritag = lxri; | |
3002 | sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri]; | |
3003 | } | |
3004 | ||
3005 | /* | |
3006 | * update on pci function's allocated scsi xri-sgl list | |
3007 | */ | |
3008 | phba->total_scsi_bufs = 0; | |
3009 | ||
3010 | /* maximum number of xris available for scsi buffers */ | |
3011 | phba->sli4_hba.scsi_xri_max = phba->sli4_hba.max_cfg_param.max_xri - | |
3012 | els_xri_cnt; | |
3013 | ||
3014 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3015 | "2401 Current allocated SCSI xri-sgl count:%d, " | |
3016 | "maximum SCSI xri count:%d\n", | |
3017 | phba->sli4_hba.scsi_xri_cnt, | |
3018 | phba->sli4_hba.scsi_xri_max); | |
3019 | ||
a40fc5f0 JS |
3020 | spin_lock_irq(&phba->scsi_buf_list_get_lock); |
3021 | spin_lock_irq(&phba->scsi_buf_list_put_lock); | |
3022 | list_splice_init(&phba->lpfc_scsi_buf_list_get, &scsi_sgl_list); | |
3023 | list_splice(&phba->lpfc_scsi_buf_list_put, &scsi_sgl_list); | |
3024 | spin_unlock_irq(&phba->scsi_buf_list_put_lock); | |
3025 | spin_unlock_irq(&phba->scsi_buf_list_get_lock); | |
8a9d2e80 JS |
3026 | |
3027 | if (phba->sli4_hba.scsi_xri_cnt > phba->sli4_hba.scsi_xri_max) { | |
3028 | /* max scsi xri shrinked below the allocated scsi buffers */ | |
3029 | scsi_xri_cnt = phba->sli4_hba.scsi_xri_cnt - | |
3030 | phba->sli4_hba.scsi_xri_max; | |
3031 | /* release the extra allocated scsi buffers */ | |
3032 | for (i = 0; i < scsi_xri_cnt; i++) { | |
3033 | list_remove_head(&scsi_sgl_list, psb, | |
3034 | struct lpfc_scsi_buf, list); | |
3035 | pci_pool_free(phba->lpfc_scsi_dma_buf_pool, psb->data, | |
3036 | psb->dma_handle); | |
3037 | kfree(psb); | |
3038 | } | |
a40fc5f0 | 3039 | spin_lock_irq(&phba->scsi_buf_list_get_lock); |
8a9d2e80 | 3040 | phba->sli4_hba.scsi_xri_cnt -= scsi_xri_cnt; |
a40fc5f0 | 3041 | spin_unlock_irq(&phba->scsi_buf_list_get_lock); |
8a9d2e80 JS |
3042 | } |
3043 | ||
3044 | /* update xris associated to remaining allocated scsi buffers */ | |
3045 | psb = NULL; | |
3046 | psb_next = NULL; | |
3047 | list_for_each_entry_safe(psb, psb_next, &scsi_sgl_list, list) { | |
3048 | lxri = lpfc_sli4_next_xritag(phba); | |
3049 | if (lxri == NO_XRI) { | |
3050 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3051 | "2560 Failed to allocate xri for " | |
3052 | "scsi buffer\n"); | |
3053 | rc = -ENOMEM; | |
3054 | goto out_free_mem; | |
3055 | } | |
3056 | psb->cur_iocbq.sli4_lxritag = lxri; | |
3057 | psb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri]; | |
3058 | } | |
a40fc5f0 JS |
3059 | spin_lock_irq(&phba->scsi_buf_list_get_lock); |
3060 | spin_lock_irq(&phba->scsi_buf_list_put_lock); | |
3061 | list_splice_init(&scsi_sgl_list, &phba->lpfc_scsi_buf_list_get); | |
3062 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put); | |
3063 | spin_unlock_irq(&phba->scsi_buf_list_put_lock); | |
3064 | spin_unlock_irq(&phba->scsi_buf_list_get_lock); | |
8a9d2e80 | 3065 | |
dea3101e | 3066 | return 0; |
8a9d2e80 JS |
3067 | |
3068 | out_free_mem: | |
3069 | lpfc_free_els_sgl_list(phba); | |
3070 | lpfc_scsi_free(phba); | |
3071 | return rc; | |
dea3101e JB |
3072 | } |
3073 | ||
e59058c4 | 3074 | /** |
3621a710 | 3075 | * lpfc_create_port - Create an FC port |
e59058c4 JS |
3076 | * @phba: pointer to lpfc hba data structure. |
3077 | * @instance: a unique integer ID to this FC port. | |
3078 | * @dev: pointer to the device data structure. | |
3079 | * | |
3080 | * This routine creates a FC port for the upper layer protocol. The FC port | |
3081 | * can be created on top of either a physical port or a virtual port provided | |
3082 | * by the HBA. This routine also allocates a SCSI host data structure (shost) | |
3083 | * and associates the FC port created before adding the shost into the SCSI | |
3084 | * layer. | |
3085 | * | |
3086 | * Return codes | |
3087 | * @vport - pointer to the virtual N_Port data structure. | |
3088 | * NULL - port create failed. | |
3089 | **/ | |
2e0fef85 | 3090 | struct lpfc_vport * |
3de2a653 | 3091 | lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) |
47a8617c | 3092 | { |
2e0fef85 JS |
3093 | struct lpfc_vport *vport; |
3094 | struct Scsi_Host *shost; | |
3095 | int error = 0; | |
47a8617c | 3096 | |
3de2a653 JS |
3097 | if (dev != &phba->pcidev->dev) |
3098 | shost = scsi_host_alloc(&lpfc_vport_template, | |
3099 | sizeof(struct lpfc_vport)); | |
3100 | else | |
3101 | shost = scsi_host_alloc(&lpfc_template, | |
3102 | sizeof(struct lpfc_vport)); | |
2e0fef85 JS |
3103 | if (!shost) |
3104 | goto out; | |
47a8617c | 3105 | |
2e0fef85 JS |
3106 | vport = (struct lpfc_vport *) shost->hostdata; |
3107 | vport->phba = phba; | |
2e0fef85 | 3108 | vport->load_flag |= FC_LOADING; |
92d7f7b0 | 3109 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
7f5f3d0d | 3110 | vport->fc_rscn_flush = 0; |
47a8617c | 3111 | |
3de2a653 | 3112 | lpfc_get_vport_cfgparam(vport); |
2e0fef85 JS |
3113 | shost->unique_id = instance; |
3114 | shost->max_id = LPFC_MAX_TARGET; | |
3de2a653 | 3115 | shost->max_lun = vport->cfg_max_luns; |
2e0fef85 JS |
3116 | shost->this_id = -1; |
3117 | shost->max_cmd_len = 16; | |
da0436e9 | 3118 | if (phba->sli_rev == LPFC_SLI_REV4) { |
28baac74 | 3119 | shost->dma_boundary = |
cb5172ea | 3120 | phba->sli4_hba.pc_sli4_params.sge_supp_len-1; |
da0436e9 JS |
3121 | shost->sg_tablesize = phba->cfg_sg_seg_cnt; |
3122 | } | |
81301a9b | 3123 | |
47a8617c | 3124 | /* |
2e0fef85 JS |
3125 | * Set initial can_queue value since 0 is no longer supported and |
3126 | * scsi_add_host will fail. This will be adjusted later based on the | |
3127 | * max xri value determined in hba setup. | |
47a8617c | 3128 | */ |
2e0fef85 | 3129 | shost->can_queue = phba->cfg_hba_queue_depth - 10; |
3de2a653 | 3130 | if (dev != &phba->pcidev->dev) { |
92d7f7b0 JS |
3131 | shost->transportt = lpfc_vport_transport_template; |
3132 | vport->port_type = LPFC_NPIV_PORT; | |
3133 | } else { | |
3134 | shost->transportt = lpfc_transport_template; | |
3135 | vport->port_type = LPFC_PHYSICAL_PORT; | |
3136 | } | |
47a8617c | 3137 | |
2e0fef85 JS |
3138 | /* Initialize all internally managed lists. */ |
3139 | INIT_LIST_HEAD(&vport->fc_nodes); | |
da0436e9 | 3140 | INIT_LIST_HEAD(&vport->rcv_buffer_list); |
2e0fef85 | 3141 | spin_lock_init(&vport->work_port_lock); |
47a8617c | 3142 | |
2e0fef85 JS |
3143 | init_timer(&vport->fc_disctmo); |
3144 | vport->fc_disctmo.function = lpfc_disc_timeout; | |
92d7f7b0 | 3145 | vport->fc_disctmo.data = (unsigned long)vport; |
47a8617c | 3146 | |
2e0fef85 JS |
3147 | init_timer(&vport->fc_fdmitmo); |
3148 | vport->fc_fdmitmo.function = lpfc_fdmi_tmo; | |
92d7f7b0 | 3149 | vport->fc_fdmitmo.data = (unsigned long)vport; |
47a8617c | 3150 | |
2e0fef85 JS |
3151 | init_timer(&vport->els_tmofunc); |
3152 | vport->els_tmofunc.function = lpfc_els_timeout; | |
92d7f7b0 | 3153 | vport->els_tmofunc.data = (unsigned long)vport; |
92494144 JS |
3154 | |
3155 | init_timer(&vport->delayed_disc_tmo); | |
3156 | vport->delayed_disc_tmo.function = lpfc_delayed_disc_tmo; | |
3157 | vport->delayed_disc_tmo.data = (unsigned long)vport; | |
3158 | ||
d139b9bd | 3159 | error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev); |
2e0fef85 JS |
3160 | if (error) |
3161 | goto out_put_shost; | |
47a8617c | 3162 | |
549e55cd | 3163 | spin_lock_irq(&phba->hbalock); |
2e0fef85 | 3164 | list_add_tail(&vport->listentry, &phba->port_list); |
549e55cd | 3165 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 3166 | return vport; |
47a8617c | 3167 | |
2e0fef85 JS |
3168 | out_put_shost: |
3169 | scsi_host_put(shost); | |
3170 | out: | |
3171 | return NULL; | |
47a8617c JS |
3172 | } |
3173 | ||
e59058c4 | 3174 | /** |
3621a710 | 3175 | * destroy_port - destroy an FC port |
e59058c4 JS |
3176 | * @vport: pointer to an lpfc virtual N_Port data structure. |
3177 | * | |
3178 | * This routine destroys a FC port from the upper layer protocol. All the | |
3179 | * resources associated with the port are released. | |
3180 | **/ | |
2e0fef85 JS |
3181 | void |
3182 | destroy_port(struct lpfc_vport *vport) | |
47a8617c | 3183 | { |
92d7f7b0 JS |
3184 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3185 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 3186 | |
858c9f6c | 3187 | lpfc_debugfs_terminate(vport); |
92d7f7b0 JS |
3188 | fc_remove_host(shost); |
3189 | scsi_remove_host(shost); | |
47a8617c | 3190 | |
92d7f7b0 JS |
3191 | spin_lock_irq(&phba->hbalock); |
3192 | list_del_init(&vport->listentry); | |
3193 | spin_unlock_irq(&phba->hbalock); | |
47a8617c | 3194 | |
92d7f7b0 | 3195 | lpfc_cleanup(vport); |
47a8617c | 3196 | return; |
47a8617c JS |
3197 | } |
3198 | ||
e59058c4 | 3199 | /** |
3621a710 | 3200 | * lpfc_get_instance - Get a unique integer ID |
e59058c4 JS |
3201 | * |
3202 | * This routine allocates a unique integer ID from lpfc_hba_index pool. It | |
3203 | * uses the kernel idr facility to perform the task. | |
3204 | * | |
3205 | * Return codes: | |
3206 | * instance - a unique integer ID allocated as the new instance. | |
3207 | * -1 - lpfc get instance failed. | |
3208 | **/ | |
92d7f7b0 JS |
3209 | int |
3210 | lpfc_get_instance(void) | |
3211 | { | |
ab516036 TH |
3212 | int ret; |
3213 | ||
3214 | ret = idr_alloc(&lpfc_hba_index, NULL, 0, 0, GFP_KERNEL); | |
3215 | return ret < 0 ? -1 : ret; | |
47a8617c JS |
3216 | } |
3217 | ||
e59058c4 | 3218 | /** |
3621a710 | 3219 | * lpfc_scan_finished - method for SCSI layer to detect whether scan is done |
e59058c4 JS |
3220 | * @shost: pointer to SCSI host data structure. |
3221 | * @time: elapsed time of the scan in jiffies. | |
3222 | * | |
3223 | * This routine is called by the SCSI layer with a SCSI host to determine | |
3224 | * whether the scan host is finished. | |
3225 | * | |
3226 | * Note: there is no scan_start function as adapter initialization will have | |
3227 | * asynchronously kicked off the link initialization. | |
3228 | * | |
3229 | * Return codes | |
3230 | * 0 - SCSI host scan is not over yet. | |
3231 | * 1 - SCSI host scan is over. | |
3232 | **/ | |
47a8617c JS |
3233 | int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) |
3234 | { | |
2e0fef85 JS |
3235 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3236 | struct lpfc_hba *phba = vport->phba; | |
858c9f6c | 3237 | int stat = 0; |
47a8617c | 3238 | |
858c9f6c JS |
3239 | spin_lock_irq(shost->host_lock); |
3240 | ||
51ef4c26 | 3241 | if (vport->load_flag & FC_UNLOADING) { |
858c9f6c JS |
3242 | stat = 1; |
3243 | goto finished; | |
3244 | } | |
256ec0d0 | 3245 | if (time >= msecs_to_jiffies(30 * 1000)) { |
2e0fef85 | 3246 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 JS |
3247 | "0461 Scanning longer than 30 " |
3248 | "seconds. Continuing initialization\n"); | |
858c9f6c | 3249 | stat = 1; |
47a8617c | 3250 | goto finished; |
2e0fef85 | 3251 | } |
256ec0d0 JS |
3252 | if (time >= msecs_to_jiffies(15 * 1000) && |
3253 | phba->link_state <= LPFC_LINK_DOWN) { | |
2e0fef85 | 3254 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 JS |
3255 | "0465 Link down longer than 15 " |
3256 | "seconds. Continuing initialization\n"); | |
858c9f6c | 3257 | stat = 1; |
47a8617c | 3258 | goto finished; |
2e0fef85 | 3259 | } |
47a8617c | 3260 | |
2e0fef85 | 3261 | if (vport->port_state != LPFC_VPORT_READY) |
858c9f6c | 3262 | goto finished; |
2e0fef85 | 3263 | if (vport->num_disc_nodes || vport->fc_prli_sent) |
858c9f6c | 3264 | goto finished; |
256ec0d0 | 3265 | if (vport->fc_map_cnt == 0 && time < msecs_to_jiffies(2 * 1000)) |
858c9f6c | 3266 | goto finished; |
2e0fef85 | 3267 | if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) |
858c9f6c JS |
3268 | goto finished; |
3269 | ||
3270 | stat = 1; | |
47a8617c JS |
3271 | |
3272 | finished: | |
858c9f6c JS |
3273 | spin_unlock_irq(shost->host_lock); |
3274 | return stat; | |
92d7f7b0 | 3275 | } |
47a8617c | 3276 | |
e59058c4 | 3277 | /** |
3621a710 | 3278 | * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port |
e59058c4 JS |
3279 | * @shost: pointer to SCSI host data structure. |
3280 | * | |
3281 | * This routine initializes a given SCSI host attributes on a FC port. The | |
3282 | * SCSI host can be either on top of a physical port or a virtual port. | |
3283 | **/ | |
92d7f7b0 JS |
3284 | void lpfc_host_attrib_init(struct Scsi_Host *shost) |
3285 | { | |
3286 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3287 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 3288 | /* |
2e0fef85 | 3289 | * Set fixed host attributes. Must done after lpfc_sli_hba_setup(). |
47a8617c JS |
3290 | */ |
3291 | ||
2e0fef85 JS |
3292 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); |
3293 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
47a8617c JS |
3294 | fc_host_supported_classes(shost) = FC_COS_CLASS3; |
3295 | ||
3296 | memset(fc_host_supported_fc4s(shost), 0, | |
2e0fef85 | 3297 | sizeof(fc_host_supported_fc4s(shost))); |
47a8617c JS |
3298 | fc_host_supported_fc4s(shost)[2] = 1; |
3299 | fc_host_supported_fc4s(shost)[7] = 1; | |
3300 | ||
92d7f7b0 JS |
3301 | lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), |
3302 | sizeof fc_host_symbolic_name(shost)); | |
47a8617c JS |
3303 | |
3304 | fc_host_supported_speeds(shost) = 0; | |
88a2cfbb JS |
3305 | if (phba->lmt & LMT_16Gb) |
3306 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_16GBIT; | |
47a8617c JS |
3307 | if (phba->lmt & LMT_10Gb) |
3308 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; | |
a8adb832 JS |
3309 | if (phba->lmt & LMT_8Gb) |
3310 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT; | |
47a8617c JS |
3311 | if (phba->lmt & LMT_4Gb) |
3312 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; | |
3313 | if (phba->lmt & LMT_2Gb) | |
3314 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; | |
3315 | if (phba->lmt & LMT_1Gb) | |
3316 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; | |
3317 | ||
3318 | fc_host_maxframe_size(shost) = | |
2e0fef85 JS |
3319 | (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | |
3320 | (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb; | |
47a8617c | 3321 | |
0af5d708 MC |
3322 | fc_host_dev_loss_tmo(shost) = vport->cfg_devloss_tmo; |
3323 | ||
47a8617c JS |
3324 | /* This value is also unchanging */ |
3325 | memset(fc_host_active_fc4s(shost), 0, | |
2e0fef85 | 3326 | sizeof(fc_host_active_fc4s(shost))); |
47a8617c JS |
3327 | fc_host_active_fc4s(shost)[2] = 1; |
3328 | fc_host_active_fc4s(shost)[7] = 1; | |
3329 | ||
92d7f7b0 | 3330 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
47a8617c | 3331 | spin_lock_irq(shost->host_lock); |
51ef4c26 | 3332 | vport->load_flag &= ~FC_LOADING; |
47a8617c | 3333 | spin_unlock_irq(shost->host_lock); |
47a8617c | 3334 | } |
dea3101e | 3335 | |
e59058c4 | 3336 | /** |
da0436e9 | 3337 | * lpfc_stop_port_s3 - Stop SLI3 device port |
e59058c4 JS |
3338 | * @phba: pointer to lpfc hba data structure. |
3339 | * | |
da0436e9 JS |
3340 | * This routine is invoked to stop an SLI3 device port, it stops the device |
3341 | * from generating interrupts and stops the device driver's timers for the | |
3342 | * device. | |
e59058c4 | 3343 | **/ |
da0436e9 JS |
3344 | static void |
3345 | lpfc_stop_port_s3(struct lpfc_hba *phba) | |
db2378e0 | 3346 | { |
da0436e9 JS |
3347 | /* Clear all interrupt enable conditions */ |
3348 | writel(0, phba->HCregaddr); | |
3349 | readl(phba->HCregaddr); /* flush */ | |
3350 | /* Clear all pending interrupts */ | |
3351 | writel(0xffffffff, phba->HAregaddr); | |
3352 | readl(phba->HAregaddr); /* flush */ | |
db2378e0 | 3353 | |
da0436e9 JS |
3354 | /* Reset some HBA SLI setup states */ |
3355 | lpfc_stop_hba_timers(phba); | |
3356 | phba->pport->work_port_events = 0; | |
3357 | } | |
db2378e0 | 3358 | |
da0436e9 JS |
3359 | /** |
3360 | * lpfc_stop_port_s4 - Stop SLI4 device port | |
3361 | * @phba: pointer to lpfc hba data structure. | |
3362 | * | |
3363 | * This routine is invoked to stop an SLI4 device port, it stops the device | |
3364 | * from generating interrupts and stops the device driver's timers for the | |
3365 | * device. | |
3366 | **/ | |
3367 | static void | |
3368 | lpfc_stop_port_s4(struct lpfc_hba *phba) | |
3369 | { | |
3370 | /* Reset some HBA SLI4 setup states */ | |
3371 | lpfc_stop_hba_timers(phba); | |
3372 | phba->pport->work_port_events = 0; | |
3373 | phba->sli4_hba.intr_enable = 0; | |
da0436e9 | 3374 | } |
9399627f | 3375 | |
da0436e9 JS |
3376 | /** |
3377 | * lpfc_stop_port - Wrapper function for stopping hba port | |
3378 | * @phba: Pointer to HBA context object. | |
3379 | * | |
3380 | * This routine wraps the actual SLI3 or SLI4 hba stop port routine from | |
3381 | * the API jump table function pointer from the lpfc_hba struct. | |
3382 | **/ | |
3383 | void | |
3384 | lpfc_stop_port(struct lpfc_hba *phba) | |
3385 | { | |
3386 | phba->lpfc_stop_port(phba); | |
3387 | } | |
db2378e0 | 3388 | |
ecfd03c6 JS |
3389 | /** |
3390 | * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer | |
3391 | * @phba: Pointer to hba for which this call is being executed. | |
3392 | * | |
3393 | * This routine starts the timer waiting for the FCF rediscovery to complete. | |
3394 | **/ | |
3395 | void | |
3396 | lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba) | |
3397 | { | |
3398 | unsigned long fcf_redisc_wait_tmo = | |
3399 | (jiffies + msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO)); | |
3400 | /* Start fcf rediscovery wait period timer */ | |
3401 | mod_timer(&phba->fcf.redisc_wait, fcf_redisc_wait_tmo); | |
3402 | spin_lock_irq(&phba->hbalock); | |
3403 | /* Allow action to new fcf asynchronous event */ | |
3404 | phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE); | |
3405 | /* Mark the FCF rediscovery pending state */ | |
3406 | phba->fcf.fcf_flag |= FCF_REDISC_PEND; | |
3407 | spin_unlock_irq(&phba->hbalock); | |
3408 | } | |
3409 | ||
3410 | /** | |
3411 | * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout | |
3412 | * @ptr: Map to lpfc_hba data structure pointer. | |
3413 | * | |
3414 | * This routine is invoked when waiting for FCF table rediscover has been | |
3415 | * timed out. If new FCF record(s) has (have) been discovered during the | |
3416 | * wait period, a new FCF event shall be added to the FCOE async event | |
3417 | * list, and then worker thread shall be waked up for processing from the | |
3418 | * worker thread context. | |
3419 | **/ | |
3420 | void | |
3421 | lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr) | |
3422 | { | |
3423 | struct lpfc_hba *phba = (struct lpfc_hba *)ptr; | |
3424 | ||
3425 | /* Don't send FCF rediscovery event if timer cancelled */ | |
3426 | spin_lock_irq(&phba->hbalock); | |
3427 | if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) { | |
3428 | spin_unlock_irq(&phba->hbalock); | |
3429 | return; | |
3430 | } | |
3431 | /* Clear FCF rediscovery timer pending flag */ | |
3432 | phba->fcf.fcf_flag &= ~FCF_REDISC_PEND; | |
3433 | /* FCF rediscovery event to worker thread */ | |
3434 | phba->fcf.fcf_flag |= FCF_REDISC_EVT; | |
3435 | spin_unlock_irq(&phba->hbalock); | |
0c9ab6f5 | 3436 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a | 3437 | "2776 FCF rediscover quiescent timer expired\n"); |
ecfd03c6 JS |
3438 | /* wake up worker thread */ |
3439 | lpfc_worker_wake_up(phba); | |
3440 | } | |
3441 | ||
e59058c4 | 3442 | /** |
da0436e9 | 3443 | * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code |
e59058c4 | 3444 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 3445 | * @acqe_link: pointer to the async link completion queue entry. |
e59058c4 | 3446 | * |
da0436e9 JS |
3447 | * This routine is to parse the SLI4 link-attention link fault code and |
3448 | * translate it into the base driver's read link attention mailbox command | |
3449 | * status. | |
3450 | * | |
3451 | * Return: Link-attention status in terms of base driver's coding. | |
e59058c4 | 3452 | **/ |
da0436e9 JS |
3453 | static uint16_t |
3454 | lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba, | |
3455 | struct lpfc_acqe_link *acqe_link) | |
db2378e0 | 3456 | { |
da0436e9 | 3457 | uint16_t latt_fault; |
9399627f | 3458 | |
da0436e9 JS |
3459 | switch (bf_get(lpfc_acqe_link_fault, acqe_link)) { |
3460 | case LPFC_ASYNC_LINK_FAULT_NONE: | |
3461 | case LPFC_ASYNC_LINK_FAULT_LOCAL: | |
3462 | case LPFC_ASYNC_LINK_FAULT_REMOTE: | |
3463 | latt_fault = 0; | |
3464 | break; | |
3465 | default: | |
3466 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3467 | "0398 Invalid link fault code: x%x\n", | |
3468 | bf_get(lpfc_acqe_link_fault, acqe_link)); | |
3469 | latt_fault = MBXERR_ERROR; | |
3470 | break; | |
3471 | } | |
3472 | return latt_fault; | |
db2378e0 JS |
3473 | } |
3474 | ||
5b75da2f | 3475 | /** |
da0436e9 | 3476 | * lpfc_sli4_parse_latt_type - Parse sli4 link attention type |
5b75da2f | 3477 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 3478 | * @acqe_link: pointer to the async link completion queue entry. |
5b75da2f | 3479 | * |
da0436e9 JS |
3480 | * This routine is to parse the SLI4 link attention type and translate it |
3481 | * into the base driver's link attention type coding. | |
5b75da2f | 3482 | * |
da0436e9 JS |
3483 | * Return: Link attention type in terms of base driver's coding. |
3484 | **/ | |
3485 | static uint8_t | |
3486 | lpfc_sli4_parse_latt_type(struct lpfc_hba *phba, | |
3487 | struct lpfc_acqe_link *acqe_link) | |
5b75da2f | 3488 | { |
da0436e9 | 3489 | uint8_t att_type; |
5b75da2f | 3490 | |
da0436e9 JS |
3491 | switch (bf_get(lpfc_acqe_link_status, acqe_link)) { |
3492 | case LPFC_ASYNC_LINK_STATUS_DOWN: | |
3493 | case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN: | |
76a95d75 | 3494 | att_type = LPFC_ATT_LINK_DOWN; |
da0436e9 JS |
3495 | break; |
3496 | case LPFC_ASYNC_LINK_STATUS_UP: | |
3497 | /* Ignore physical link up events - wait for logical link up */ | |
76a95d75 | 3498 | att_type = LPFC_ATT_RESERVED; |
da0436e9 JS |
3499 | break; |
3500 | case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP: | |
76a95d75 | 3501 | att_type = LPFC_ATT_LINK_UP; |
da0436e9 JS |
3502 | break; |
3503 | default: | |
3504 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3505 | "0399 Invalid link attention type: x%x\n", | |
3506 | bf_get(lpfc_acqe_link_status, acqe_link)); | |
76a95d75 | 3507 | att_type = LPFC_ATT_RESERVED; |
da0436e9 | 3508 | break; |
5b75da2f | 3509 | } |
da0436e9 | 3510 | return att_type; |
5b75da2f JS |
3511 | } |
3512 | ||
3513 | /** | |
da0436e9 | 3514 | * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed |
5b75da2f | 3515 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 3516 | * @acqe_link: pointer to the async link completion queue entry. |
5b75da2f | 3517 | * |
da0436e9 JS |
3518 | * This routine is to parse the SLI4 link-attention link speed and translate |
3519 | * it into the base driver's link-attention link speed coding. | |
3520 | * | |
3521 | * Return: Link-attention link speed in terms of base driver's coding. | |
3522 | **/ | |
3523 | static uint8_t | |
3524 | lpfc_sli4_parse_latt_link_speed(struct lpfc_hba *phba, | |
3525 | struct lpfc_acqe_link *acqe_link) | |
5b75da2f | 3526 | { |
da0436e9 JS |
3527 | uint8_t link_speed; |
3528 | ||
3529 | switch (bf_get(lpfc_acqe_link_speed, acqe_link)) { | |
3530 | case LPFC_ASYNC_LINK_SPEED_ZERO: | |
da0436e9 | 3531 | case LPFC_ASYNC_LINK_SPEED_10MBPS: |
da0436e9 | 3532 | case LPFC_ASYNC_LINK_SPEED_100MBPS: |
76a95d75 | 3533 | link_speed = LPFC_LINK_SPEED_UNKNOWN; |
da0436e9 JS |
3534 | break; |
3535 | case LPFC_ASYNC_LINK_SPEED_1GBPS: | |
76a95d75 | 3536 | link_speed = LPFC_LINK_SPEED_1GHZ; |
da0436e9 JS |
3537 | break; |
3538 | case LPFC_ASYNC_LINK_SPEED_10GBPS: | |
76a95d75 | 3539 | link_speed = LPFC_LINK_SPEED_10GHZ; |
da0436e9 JS |
3540 | break; |
3541 | default: | |
3542 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3543 | "0483 Invalid link-attention link speed: x%x\n", | |
3544 | bf_get(lpfc_acqe_link_speed, acqe_link)); | |
76a95d75 | 3545 | link_speed = LPFC_LINK_SPEED_UNKNOWN; |
da0436e9 JS |
3546 | break; |
3547 | } | |
3548 | return link_speed; | |
3549 | } | |
3550 | ||
8b68cd52 JS |
3551 | /** |
3552 | * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed | |
3553 | * @phba: pointer to lpfc hba data structure. | |
3554 | * | |
3555 | * This routine is to get an SLI3 FC port's link speed in Mbps. | |
3556 | * | |
3557 | * Return: link speed in terms of Mbps. | |
3558 | **/ | |
3559 | uint32_t | |
3560 | lpfc_sli_port_speed_get(struct lpfc_hba *phba) | |
3561 | { | |
3562 | uint32_t link_speed; | |
3563 | ||
3564 | if (!lpfc_is_link_up(phba)) | |
3565 | return 0; | |
3566 | ||
3567 | switch (phba->fc_linkspeed) { | |
3568 | case LPFC_LINK_SPEED_1GHZ: | |
3569 | link_speed = 1000; | |
3570 | break; | |
3571 | case LPFC_LINK_SPEED_2GHZ: | |
3572 | link_speed = 2000; | |
3573 | break; | |
3574 | case LPFC_LINK_SPEED_4GHZ: | |
3575 | link_speed = 4000; | |
3576 | break; | |
3577 | case LPFC_LINK_SPEED_8GHZ: | |
3578 | link_speed = 8000; | |
3579 | break; | |
3580 | case LPFC_LINK_SPEED_10GHZ: | |
3581 | link_speed = 10000; | |
3582 | break; | |
3583 | case LPFC_LINK_SPEED_16GHZ: | |
3584 | link_speed = 16000; | |
3585 | break; | |
3586 | default: | |
3587 | link_speed = 0; | |
3588 | } | |
3589 | return link_speed; | |
3590 | } | |
3591 | ||
3592 | /** | |
3593 | * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed | |
3594 | * @phba: pointer to lpfc hba data structure. | |
3595 | * @evt_code: asynchronous event code. | |
3596 | * @speed_code: asynchronous event link speed code. | |
3597 | * | |
3598 | * This routine is to parse the giving SLI4 async event link speed code into | |
3599 | * value of Mbps for the link speed. | |
3600 | * | |
3601 | * Return: link speed in terms of Mbps. | |
3602 | **/ | |
3603 | static uint32_t | |
3604 | lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code, | |
3605 | uint8_t speed_code) | |
3606 | { | |
3607 | uint32_t port_speed; | |
3608 | ||
3609 | switch (evt_code) { | |
3610 | case LPFC_TRAILER_CODE_LINK: | |
3611 | switch (speed_code) { | |
3612 | case LPFC_EVT_CODE_LINK_NO_LINK: | |
3613 | port_speed = 0; | |
3614 | break; | |
3615 | case LPFC_EVT_CODE_LINK_10_MBIT: | |
3616 | port_speed = 10; | |
3617 | break; | |
3618 | case LPFC_EVT_CODE_LINK_100_MBIT: | |
3619 | port_speed = 100; | |
3620 | break; | |
3621 | case LPFC_EVT_CODE_LINK_1_GBIT: | |
3622 | port_speed = 1000; | |
3623 | break; | |
3624 | case LPFC_EVT_CODE_LINK_10_GBIT: | |
3625 | port_speed = 10000; | |
3626 | break; | |
3627 | default: | |
3628 | port_speed = 0; | |
3629 | } | |
3630 | break; | |
3631 | case LPFC_TRAILER_CODE_FC: | |
3632 | switch (speed_code) { | |
3633 | case LPFC_EVT_CODE_FC_NO_LINK: | |
3634 | port_speed = 0; | |
3635 | break; | |
3636 | case LPFC_EVT_CODE_FC_1_GBAUD: | |
3637 | port_speed = 1000; | |
3638 | break; | |
3639 | case LPFC_EVT_CODE_FC_2_GBAUD: | |
3640 | port_speed = 2000; | |
3641 | break; | |
3642 | case LPFC_EVT_CODE_FC_4_GBAUD: | |
3643 | port_speed = 4000; | |
3644 | break; | |
3645 | case LPFC_EVT_CODE_FC_8_GBAUD: | |
3646 | port_speed = 8000; | |
3647 | break; | |
3648 | case LPFC_EVT_CODE_FC_10_GBAUD: | |
3649 | port_speed = 10000; | |
3650 | break; | |
3651 | case LPFC_EVT_CODE_FC_16_GBAUD: | |
3652 | port_speed = 16000; | |
3653 | break; | |
3654 | default: | |
3655 | port_speed = 0; | |
3656 | } | |
3657 | break; | |
3658 | default: | |
3659 | port_speed = 0; | |
3660 | } | |
3661 | return port_speed; | |
3662 | } | |
3663 | ||
da0436e9 | 3664 | /** |
70f3c073 | 3665 | * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event |
da0436e9 JS |
3666 | * @phba: pointer to lpfc hba data structure. |
3667 | * @acqe_link: pointer to the async link completion queue entry. | |
3668 | * | |
70f3c073 | 3669 | * This routine is to handle the SLI4 asynchronous FCoE link event. |
da0436e9 JS |
3670 | **/ |
3671 | static void | |
3672 | lpfc_sli4_async_link_evt(struct lpfc_hba *phba, | |
3673 | struct lpfc_acqe_link *acqe_link) | |
3674 | { | |
3675 | struct lpfc_dmabuf *mp; | |
3676 | LPFC_MBOXQ_t *pmb; | |
3677 | MAILBOX_t *mb; | |
76a95d75 | 3678 | struct lpfc_mbx_read_top *la; |
da0436e9 | 3679 | uint8_t att_type; |
76a95d75 | 3680 | int rc; |
da0436e9 JS |
3681 | |
3682 | att_type = lpfc_sli4_parse_latt_type(phba, acqe_link); | |
76a95d75 | 3683 | if (att_type != LPFC_ATT_LINK_DOWN && att_type != LPFC_ATT_LINK_UP) |
da0436e9 | 3684 | return; |
32b9793f | 3685 | phba->fcoe_eventtag = acqe_link->event_tag; |
da0436e9 JS |
3686 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
3687 | if (!pmb) { | |
3688 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3689 | "0395 The mboxq allocation failed\n"); | |
3690 | return; | |
3691 | } | |
3692 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
3693 | if (!mp) { | |
3694 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3695 | "0396 The lpfc_dmabuf allocation failed\n"); | |
3696 | goto out_free_pmb; | |
3697 | } | |
3698 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
3699 | if (!mp->virt) { | |
3700 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3701 | "0397 The mbuf allocation failed\n"); | |
3702 | goto out_free_dmabuf; | |
3703 | } | |
3704 | ||
3705 | /* Cleanup any outstanding ELS commands */ | |
3706 | lpfc_els_flush_all_cmd(phba); | |
3707 | ||
3708 | /* Block ELS IOCBs until we have done process link event */ | |
3709 | phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
3710 | ||
3711 | /* Update link event statistics */ | |
3712 | phba->sli.slistat.link_event++; | |
3713 | ||
76a95d75 JS |
3714 | /* Create lpfc_handle_latt mailbox command from link ACQE */ |
3715 | lpfc_read_topology(phba, pmb, mp); | |
3716 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; | |
da0436e9 JS |
3717 | pmb->vport = phba->pport; |
3718 | ||
da0436e9 JS |
3719 | /* Keep the link status for extra SLI4 state machine reference */ |
3720 | phba->sli4_hba.link_state.speed = | |
8b68cd52 JS |
3721 | lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_LINK, |
3722 | bf_get(lpfc_acqe_link_speed, acqe_link)); | |
da0436e9 JS |
3723 | phba->sli4_hba.link_state.duplex = |
3724 | bf_get(lpfc_acqe_link_duplex, acqe_link); | |
3725 | phba->sli4_hba.link_state.status = | |
3726 | bf_get(lpfc_acqe_link_status, acqe_link); | |
70f3c073 JS |
3727 | phba->sli4_hba.link_state.type = |
3728 | bf_get(lpfc_acqe_link_type, acqe_link); | |
3729 | phba->sli4_hba.link_state.number = | |
3730 | bf_get(lpfc_acqe_link_number, acqe_link); | |
da0436e9 JS |
3731 | phba->sli4_hba.link_state.fault = |
3732 | bf_get(lpfc_acqe_link_fault, acqe_link); | |
65467b6b | 3733 | phba->sli4_hba.link_state.logical_speed = |
8b68cd52 JS |
3734 | bf_get(lpfc_acqe_logical_link_speed, acqe_link) * 10; |
3735 | ||
70f3c073 | 3736 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
c31098ce JS |
3737 | "2900 Async FC/FCoE Link event - Speed:%dGBit " |
3738 | "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d " | |
3739 | "Logical speed:%dMbps Fault:%d\n", | |
70f3c073 JS |
3740 | phba->sli4_hba.link_state.speed, |
3741 | phba->sli4_hba.link_state.topology, | |
3742 | phba->sli4_hba.link_state.status, | |
3743 | phba->sli4_hba.link_state.type, | |
3744 | phba->sli4_hba.link_state.number, | |
8b68cd52 | 3745 | phba->sli4_hba.link_state.logical_speed, |
70f3c073 | 3746 | phba->sli4_hba.link_state.fault); |
76a95d75 JS |
3747 | /* |
3748 | * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch | |
3749 | * topology info. Note: Optional for non FC-AL ports. | |
3750 | */ | |
3751 | if (!(phba->hba_flag & HBA_FCOE_MODE)) { | |
3752 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
3753 | if (rc == MBX_NOT_FINISHED) | |
3754 | goto out_free_dmabuf; | |
3755 | return; | |
3756 | } | |
3757 | /* | |
3758 | * For FCoE Mode: fill in all the topology information we need and call | |
3759 | * the READ_TOPOLOGY completion routine to continue without actually | |
3760 | * sending the READ_TOPOLOGY mailbox command to the port. | |
3761 | */ | |
3762 | /* Parse and translate status field */ | |
3763 | mb = &pmb->u.mb; | |
3764 | mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link); | |
3765 | ||
3766 | /* Parse and translate link attention fields */ | |
3767 | la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop; | |
3768 | la->eventTag = acqe_link->event_tag; | |
3769 | bf_set(lpfc_mbx_read_top_att_type, la, att_type); | |
3770 | bf_set(lpfc_mbx_read_top_link_spd, la, | |
3771 | lpfc_sli4_parse_latt_link_speed(phba, acqe_link)); | |
3772 | ||
3773 | /* Fake the the following irrelvant fields */ | |
3774 | bf_set(lpfc_mbx_read_top_topology, la, LPFC_TOPOLOGY_PT_PT); | |
3775 | bf_set(lpfc_mbx_read_top_alpa_granted, la, 0); | |
3776 | bf_set(lpfc_mbx_read_top_il, la, 0); | |
3777 | bf_set(lpfc_mbx_read_top_pb, la, 0); | |
3778 | bf_set(lpfc_mbx_read_top_fa, la, 0); | |
3779 | bf_set(lpfc_mbx_read_top_mm, la, 0); | |
da0436e9 JS |
3780 | |
3781 | /* Invoke the lpfc_handle_latt mailbox command callback function */ | |
76a95d75 | 3782 | lpfc_mbx_cmpl_read_topology(phba, pmb); |
da0436e9 | 3783 | |
5b75da2f | 3784 | return; |
da0436e9 JS |
3785 | |
3786 | out_free_dmabuf: | |
3787 | kfree(mp); | |
3788 | out_free_pmb: | |
3789 | mempool_free(pmb, phba->mbox_mem_pool); | |
3790 | } | |
3791 | ||
70f3c073 JS |
3792 | /** |
3793 | * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event | |
3794 | * @phba: pointer to lpfc hba data structure. | |
3795 | * @acqe_fc: pointer to the async fc completion queue entry. | |
3796 | * | |
3797 | * This routine is to handle the SLI4 asynchronous FC event. It will simply log | |
3798 | * that the event was received and then issue a read_topology mailbox command so | |
3799 | * that the rest of the driver will treat it the same as SLI3. | |
3800 | **/ | |
3801 | static void | |
3802 | lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc) | |
3803 | { | |
3804 | struct lpfc_dmabuf *mp; | |
3805 | LPFC_MBOXQ_t *pmb; | |
3806 | int rc; | |
3807 | ||
3808 | if (bf_get(lpfc_trailer_type, acqe_fc) != | |
3809 | LPFC_FC_LA_EVENT_TYPE_FC_LINK) { | |
3810 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3811 | "2895 Non FC link Event detected.(%d)\n", | |
3812 | bf_get(lpfc_trailer_type, acqe_fc)); | |
3813 | return; | |
3814 | } | |
3815 | /* Keep the link status for extra SLI4 state machine reference */ | |
3816 | phba->sli4_hba.link_state.speed = | |
8b68cd52 JS |
3817 | lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC, |
3818 | bf_get(lpfc_acqe_fc_la_speed, acqe_fc)); | |
70f3c073 JS |
3819 | phba->sli4_hba.link_state.duplex = LPFC_ASYNC_LINK_DUPLEX_FULL; |
3820 | phba->sli4_hba.link_state.topology = | |
3821 | bf_get(lpfc_acqe_fc_la_topology, acqe_fc); | |
3822 | phba->sli4_hba.link_state.status = | |
3823 | bf_get(lpfc_acqe_fc_la_att_type, acqe_fc); | |
3824 | phba->sli4_hba.link_state.type = | |
3825 | bf_get(lpfc_acqe_fc_la_port_type, acqe_fc); | |
3826 | phba->sli4_hba.link_state.number = | |
3827 | bf_get(lpfc_acqe_fc_la_port_number, acqe_fc); | |
3828 | phba->sli4_hba.link_state.fault = | |
3829 | bf_get(lpfc_acqe_link_fault, acqe_fc); | |
3830 | phba->sli4_hba.link_state.logical_speed = | |
8b68cd52 | 3831 | bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10; |
70f3c073 JS |
3832 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
3833 | "2896 Async FC event - Speed:%dGBaud Topology:x%x " | |
3834 | "LA Type:x%x Port Type:%d Port Number:%d Logical speed:" | |
3835 | "%dMbps Fault:%d\n", | |
3836 | phba->sli4_hba.link_state.speed, | |
3837 | phba->sli4_hba.link_state.topology, | |
3838 | phba->sli4_hba.link_state.status, | |
3839 | phba->sli4_hba.link_state.type, | |
3840 | phba->sli4_hba.link_state.number, | |
8b68cd52 | 3841 | phba->sli4_hba.link_state.logical_speed, |
70f3c073 JS |
3842 | phba->sli4_hba.link_state.fault); |
3843 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3844 | if (!pmb) { | |
3845 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3846 | "2897 The mboxq allocation failed\n"); | |
3847 | return; | |
3848 | } | |
3849 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
3850 | if (!mp) { | |
3851 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3852 | "2898 The lpfc_dmabuf allocation failed\n"); | |
3853 | goto out_free_pmb; | |
3854 | } | |
3855 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
3856 | if (!mp->virt) { | |
3857 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3858 | "2899 The mbuf allocation failed\n"); | |
3859 | goto out_free_dmabuf; | |
3860 | } | |
3861 | ||
3862 | /* Cleanup any outstanding ELS commands */ | |
3863 | lpfc_els_flush_all_cmd(phba); | |
3864 | ||
3865 | /* Block ELS IOCBs until we have done process link event */ | |
3866 | phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
3867 | ||
3868 | /* Update link event statistics */ | |
3869 | phba->sli.slistat.link_event++; | |
3870 | ||
3871 | /* Create lpfc_handle_latt mailbox command from link ACQE */ | |
3872 | lpfc_read_topology(phba, pmb, mp); | |
3873 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; | |
3874 | pmb->vport = phba->pport; | |
3875 | ||
3876 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
3877 | if (rc == MBX_NOT_FINISHED) | |
3878 | goto out_free_dmabuf; | |
3879 | return; | |
3880 | ||
3881 | out_free_dmabuf: | |
3882 | kfree(mp); | |
3883 | out_free_pmb: | |
3884 | mempool_free(pmb, phba->mbox_mem_pool); | |
3885 | } | |
3886 | ||
3887 | /** | |
3888 | * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event | |
3889 | * @phba: pointer to lpfc hba data structure. | |
3890 | * @acqe_fc: pointer to the async SLI completion queue entry. | |
3891 | * | |
3892 | * This routine is to handle the SLI4 asynchronous SLI events. | |
3893 | **/ | |
3894 | static void | |
3895 | lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli) | |
3896 | { | |
4b8bae08 | 3897 | char port_name; |
8c1312e1 | 3898 | char message[128]; |
4b8bae08 JS |
3899 | uint8_t status; |
3900 | struct lpfc_acqe_misconfigured_event *misconfigured; | |
3901 | ||
3902 | /* special case misconfigured event as it contains data for all ports */ | |
3903 | if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
3904 | LPFC_SLI_INTF_IF_TYPE_2) || | |
3905 | (bf_get(lpfc_trailer_type, acqe_sli) != | |
3906 | LPFC_SLI_EVENT_TYPE_MISCONFIGURED)) { | |
3907 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3908 | "2901 Async SLI event - Event Data1:x%08x Event Data2:" | |
3909 | "x%08x SLI Event Type:%d\n", | |
3910 | acqe_sli->event_data1, acqe_sli->event_data2, | |
3911 | bf_get(lpfc_trailer_type, acqe_sli)); | |
3912 | return; | |
3913 | } | |
3914 | ||
3915 | port_name = phba->Port[0]; | |
3916 | if (port_name == 0x00) | |
3917 | port_name = '?'; /* get port name is empty */ | |
3918 | ||
3919 | misconfigured = (struct lpfc_acqe_misconfigured_event *) | |
3920 | &acqe_sli->event_data1; | |
3921 | ||
3922 | /* fetch the status for this port */ | |
3923 | switch (phba->sli4_hba.lnk_info.lnk_no) { | |
3924 | case LPFC_LINK_NUMBER_0: | |
3925 | status = bf_get(lpfc_sli_misconfigured_port0, | |
3926 | &misconfigured->theEvent); | |
3927 | break; | |
3928 | case LPFC_LINK_NUMBER_1: | |
3929 | status = bf_get(lpfc_sli_misconfigured_port1, | |
3930 | &misconfigured->theEvent); | |
3931 | break; | |
3932 | case LPFC_LINK_NUMBER_2: | |
3933 | status = bf_get(lpfc_sli_misconfigured_port2, | |
3934 | &misconfigured->theEvent); | |
3935 | break; | |
3936 | case LPFC_LINK_NUMBER_3: | |
3937 | status = bf_get(lpfc_sli_misconfigured_port3, | |
3938 | &misconfigured->theEvent); | |
3939 | break; | |
3940 | default: | |
3941 | status = ~LPFC_SLI_EVENT_STATUS_VALID; | |
3942 | break; | |
3943 | } | |
3944 | ||
3945 | switch (status) { | |
3946 | case LPFC_SLI_EVENT_STATUS_VALID: | |
3947 | return; /* no message if the sfp is okay */ | |
3948 | case LPFC_SLI_EVENT_STATUS_NOT_PRESENT: | |
292098be JS |
3949 | sprintf(message, "Optics faulted/incorrectly installed/not " \ |
3950 | "installed - Reseat optics, if issue not " | |
3951 | "resolved, replace."); | |
4b8bae08 JS |
3952 | break; |
3953 | case LPFC_SLI_EVENT_STATUS_WRONG_TYPE: | |
3954 | sprintf(message, | |
292098be JS |
3955 | "Optics of two types installed - Remove one optic or " \ |
3956 | "install matching pair of optics."); | |
4b8bae08 JS |
3957 | break; |
3958 | case LPFC_SLI_EVENT_STATUS_UNSUPPORTED: | |
292098be JS |
3959 | sprintf(message, "Incompatible optics - Replace with " \ |
3960 | "compatible optics for card to function."); | |
4b8bae08 JS |
3961 | break; |
3962 | default: | |
3963 | /* firmware is reporting a status we don't know about */ | |
3964 | sprintf(message, "Unknown event status x%02x", status); | |
3965 | break; | |
3966 | } | |
3967 | ||
3968 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3969 | "3176 Misconfigured Physical Port - " | |
3970 | "Port Name %c %s\n", port_name, message); | |
70f3c073 JS |
3971 | } |
3972 | ||
fc2b989b JS |
3973 | /** |
3974 | * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport | |
3975 | * @vport: pointer to vport data structure. | |
3976 | * | |
3977 | * This routine is to perform Clear Virtual Link (CVL) on a vport in | |
3978 | * response to a CVL event. | |
3979 | * | |
3980 | * Return the pointer to the ndlp with the vport if successful, otherwise | |
3981 | * return NULL. | |
3982 | **/ | |
3983 | static struct lpfc_nodelist * | |
3984 | lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport) | |
3985 | { | |
3986 | struct lpfc_nodelist *ndlp; | |
3987 | struct Scsi_Host *shost; | |
3988 | struct lpfc_hba *phba; | |
3989 | ||
3990 | if (!vport) | |
3991 | return NULL; | |
fc2b989b JS |
3992 | phba = vport->phba; |
3993 | if (!phba) | |
3994 | return NULL; | |
78730cfe JS |
3995 | ndlp = lpfc_findnode_did(vport, Fabric_DID); |
3996 | if (!ndlp) { | |
3997 | /* Cannot find existing Fabric ndlp, so allocate a new one */ | |
3998 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
3999 | if (!ndlp) | |
4000 | return 0; | |
4001 | lpfc_nlp_init(vport, ndlp, Fabric_DID); | |
4002 | /* Set the node type */ | |
4003 | ndlp->nlp_type |= NLP_FABRIC; | |
4004 | /* Put ndlp onto node list */ | |
4005 | lpfc_enqueue_node(vport, ndlp); | |
4006 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { | |
4007 | /* re-setup ndlp without removing from node list */ | |
4008 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); | |
4009 | if (!ndlp) | |
4010 | return 0; | |
4011 | } | |
63e801ce JS |
4012 | if ((phba->pport->port_state < LPFC_FLOGI) && |
4013 | (phba->pport->port_state != LPFC_VPORT_FAILED)) | |
fc2b989b JS |
4014 | return NULL; |
4015 | /* If virtual link is not yet instantiated ignore CVL */ | |
63e801ce JS |
4016 | if ((vport != phba->pport) && (vport->port_state < LPFC_FDISC) |
4017 | && (vport->port_state != LPFC_VPORT_FAILED)) | |
fc2b989b JS |
4018 | return NULL; |
4019 | shost = lpfc_shost_from_vport(vport); | |
4020 | if (!shost) | |
4021 | return NULL; | |
4022 | lpfc_linkdown_port(vport); | |
4023 | lpfc_cleanup_pending_mbox(vport); | |
4024 | spin_lock_irq(shost->host_lock); | |
4025 | vport->fc_flag |= FC_VPORT_CVL_RCVD; | |
4026 | spin_unlock_irq(shost->host_lock); | |
4027 | ||
4028 | return ndlp; | |
4029 | } | |
4030 | ||
4031 | /** | |
4032 | * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports | |
4033 | * @vport: pointer to lpfc hba data structure. | |
4034 | * | |
4035 | * This routine is to perform Clear Virtual Link (CVL) on all vports in | |
4036 | * response to a FCF dead event. | |
4037 | **/ | |
4038 | static void | |
4039 | lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba) | |
4040 | { | |
4041 | struct lpfc_vport **vports; | |
4042 | int i; | |
4043 | ||
4044 | vports = lpfc_create_vport_work_array(phba); | |
4045 | if (vports) | |
4046 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) | |
4047 | lpfc_sli4_perform_vport_cvl(vports[i]); | |
4048 | lpfc_destroy_vport_work_array(phba, vports); | |
4049 | } | |
4050 | ||
25aee407 JS |
4051 | /** |
4052 | * lpfc_sli4_perform_inuse_fcf_recovery - Perform inuse fcf recovery | |
4053 | * @vport: pointer to lpfc hba data structure. | |
4054 | * | |
4055 | * This routine is to perform FCF recovery when the in-use FCF either dead or | |
4056 | * got modified. | |
4057 | **/ | |
4058 | static void | |
4059 | lpfc_sli4_perform_inuse_fcf_recovery(struct lpfc_hba *phba, | |
4060 | struct lpfc_acqe_fip *acqe_fip) | |
4061 | { | |
4062 | int rc; | |
4063 | ||
4064 | spin_lock_irq(&phba->hbalock); | |
4065 | /* Mark the fast failover process in progress */ | |
4066 | phba->fcf.fcf_flag |= FCF_DEAD_DISC; | |
4067 | spin_unlock_irq(&phba->hbalock); | |
4068 | ||
4069 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, | |
4070 | "2771 Start FCF fast failover process due to in-use " | |
4071 | "FCF DEAD/MODIFIED event: evt_tag:x%x, index:x%x\n", | |
4072 | acqe_fip->event_tag, acqe_fip->index); | |
4073 | rc = lpfc_sli4_redisc_fcf_table(phba); | |
4074 | if (rc) { | |
4075 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, | |
4076 | "2772 Issue FCF rediscover mabilbox command " | |
4077 | "failed, fail through to FCF dead event\n"); | |
4078 | spin_lock_irq(&phba->hbalock); | |
4079 | phba->fcf.fcf_flag &= ~FCF_DEAD_DISC; | |
4080 | spin_unlock_irq(&phba->hbalock); | |
4081 | /* | |
4082 | * Last resort will fail over by treating this as a link | |
4083 | * down to FCF registration. | |
4084 | */ | |
4085 | lpfc_sli4_fcf_dead_failthrough(phba); | |
4086 | } else { | |
4087 | /* Reset FCF roundrobin bmask for new discovery */ | |
4088 | lpfc_sli4_clear_fcf_rr_bmask(phba); | |
4089 | /* | |
4090 | * Handling fast FCF failover to a DEAD FCF event is | |
4091 | * considered equalivant to receiving CVL to all vports. | |
4092 | */ | |
4093 | lpfc_sli4_perform_all_vport_cvl(phba); | |
4094 | } | |
4095 | } | |
4096 | ||
da0436e9 | 4097 | /** |
76a95d75 | 4098 | * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event |
da0436e9 JS |
4099 | * @phba: pointer to lpfc hba data structure. |
4100 | * @acqe_link: pointer to the async fcoe completion queue entry. | |
4101 | * | |
4102 | * This routine is to handle the SLI4 asynchronous fcoe event. | |
4103 | **/ | |
4104 | static void | |
76a95d75 | 4105 | lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, |
70f3c073 | 4106 | struct lpfc_acqe_fip *acqe_fip) |
da0436e9 | 4107 | { |
70f3c073 | 4108 | uint8_t event_type = bf_get(lpfc_trailer_type, acqe_fip); |
da0436e9 | 4109 | int rc; |
6669f9bb JS |
4110 | struct lpfc_vport *vport; |
4111 | struct lpfc_nodelist *ndlp; | |
4112 | struct Scsi_Host *shost; | |
695a814e JS |
4113 | int active_vlink_present; |
4114 | struct lpfc_vport **vports; | |
4115 | int i; | |
da0436e9 | 4116 | |
70f3c073 JS |
4117 | phba->fc_eventTag = acqe_fip->event_tag; |
4118 | phba->fcoe_eventtag = acqe_fip->event_tag; | |
da0436e9 | 4119 | switch (event_type) { |
70f3c073 JS |
4120 | case LPFC_FIP_EVENT_TYPE_NEW_FCF: |
4121 | case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD: | |
4122 | if (event_type == LPFC_FIP_EVENT_TYPE_NEW_FCF) | |
999d813f JS |
4123 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | |
4124 | LOG_DISCOVERY, | |
a93ff37a JS |
4125 | "2546 New FCF event, evt_tag:x%x, " |
4126 | "index:x%x\n", | |
70f3c073 JS |
4127 | acqe_fip->event_tag, |
4128 | acqe_fip->index); | |
999d813f JS |
4129 | else |
4130 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | | |
4131 | LOG_DISCOVERY, | |
a93ff37a JS |
4132 | "2788 FCF param modified event, " |
4133 | "evt_tag:x%x, index:x%x\n", | |
70f3c073 JS |
4134 | acqe_fip->event_tag, |
4135 | acqe_fip->index); | |
38b92ef8 | 4136 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) { |
0c9ab6f5 JS |
4137 | /* |
4138 | * During period of FCF discovery, read the FCF | |
4139 | * table record indexed by the event to update | |
a93ff37a | 4140 | * FCF roundrobin failover eligible FCF bmask. |
0c9ab6f5 JS |
4141 | */ |
4142 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | | |
4143 | LOG_DISCOVERY, | |
a93ff37a JS |
4144 | "2779 Read FCF (x%x) for updating " |
4145 | "roundrobin FCF failover bmask\n", | |
70f3c073 JS |
4146 | acqe_fip->index); |
4147 | rc = lpfc_sli4_read_fcf_rec(phba, acqe_fip->index); | |
0c9ab6f5 | 4148 | } |
38b92ef8 JS |
4149 | |
4150 | /* If the FCF discovery is in progress, do nothing. */ | |
3804dc84 | 4151 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 4152 | if (phba->hba_flag & FCF_TS_INPROG) { |
38b92ef8 JS |
4153 | spin_unlock_irq(&phba->hbalock); |
4154 | break; | |
4155 | } | |
4156 | /* If fast FCF failover rescan event is pending, do nothing */ | |
4157 | if (phba->fcf.fcf_flag & FCF_REDISC_EVT) { | |
4158 | spin_unlock_irq(&phba->hbalock); | |
4159 | break; | |
4160 | } | |
4161 | ||
25aee407 JS |
4162 | /* If FCF has been in discovered state, perform rediscovery |
4163 | * only if the FCF with the same index of the in-use FCF got | |
4164 | * modified during normal operation. Otherwise, do nothing. | |
4165 | */ | |
4166 | if (phba->pport->port_state > LPFC_FLOGI) { | |
3804dc84 | 4167 | spin_unlock_irq(&phba->hbalock); |
25aee407 JS |
4168 | if (phba->fcf.current_rec.fcf_indx == |
4169 | acqe_fip->index) { | |
4170 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
4171 | "3300 In-use FCF (%d) " | |
4172 | "modified, perform FCF " | |
4173 | "rediscovery\n", | |
4174 | acqe_fip->index); | |
4175 | lpfc_sli4_perform_inuse_fcf_recovery(phba, | |
4176 | acqe_fip); | |
4177 | } | |
3804dc84 JS |
4178 | break; |
4179 | } | |
4180 | spin_unlock_irq(&phba->hbalock); | |
38b92ef8 | 4181 | |
0c9ab6f5 JS |
4182 | /* Otherwise, scan the entire FCF table and re-discover SAN */ |
4183 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, | |
a93ff37a JS |
4184 | "2770 Start FCF table scan per async FCF " |
4185 | "event, evt_tag:x%x, index:x%x\n", | |
70f3c073 | 4186 | acqe_fip->event_tag, acqe_fip->index); |
0c9ab6f5 JS |
4187 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, |
4188 | LPFC_FCOE_FCF_GET_FIRST); | |
da0436e9 | 4189 | if (rc) |
0c9ab6f5 JS |
4190 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
4191 | "2547 Issue FCF scan read FCF mailbox " | |
a93ff37a | 4192 | "command failed (x%x)\n", rc); |
da0436e9 JS |
4193 | break; |
4194 | ||
70f3c073 | 4195 | case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL: |
da0436e9 | 4196 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e4e74273 | 4197 | "2548 FCF Table full count 0x%x tag 0x%x\n", |
70f3c073 JS |
4198 | bf_get(lpfc_acqe_fip_fcf_count, acqe_fip), |
4199 | acqe_fip->event_tag); | |
da0436e9 JS |
4200 | break; |
4201 | ||
70f3c073 | 4202 | case LPFC_FIP_EVENT_TYPE_FCF_DEAD: |
80c17849 | 4203 | phba->fcoe_cvl_eventtag = acqe_fip->event_tag; |
0c9ab6f5 | 4204 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
a93ff37a | 4205 | "2549 FCF (x%x) disconnected from network, " |
70f3c073 | 4206 | "tag:x%x\n", acqe_fip->index, acqe_fip->event_tag); |
38b92ef8 JS |
4207 | /* |
4208 | * If we are in the middle of FCF failover process, clear | |
4209 | * the corresponding FCF bit in the roundrobin bitmap. | |
da0436e9 | 4210 | */ |
fc2b989b | 4211 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 4212 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) { |
fc2b989b | 4213 | spin_unlock_irq(&phba->hbalock); |
0c9ab6f5 | 4214 | /* Update FLOGI FCF failover eligible FCF bmask */ |
70f3c073 | 4215 | lpfc_sli4_fcf_rr_index_clear(phba, acqe_fip->index); |
fc2b989b JS |
4216 | break; |
4217 | } | |
38b92ef8 JS |
4218 | spin_unlock_irq(&phba->hbalock); |
4219 | ||
4220 | /* If the event is not for currently used fcf do nothing */ | |
70f3c073 | 4221 | if (phba->fcf.current_rec.fcf_indx != acqe_fip->index) |
38b92ef8 JS |
4222 | break; |
4223 | ||
4224 | /* | |
4225 | * Otherwise, request the port to rediscover the entire FCF | |
4226 | * table for a fast recovery from case that the current FCF | |
4227 | * is no longer valid as we are not in the middle of FCF | |
4228 | * failover process already. | |
4229 | */ | |
25aee407 | 4230 | lpfc_sli4_perform_inuse_fcf_recovery(phba, acqe_fip); |
da0436e9 | 4231 | break; |
70f3c073 | 4232 | case LPFC_FIP_EVENT_TYPE_CVL: |
80c17849 | 4233 | phba->fcoe_cvl_eventtag = acqe_fip->event_tag; |
0c9ab6f5 | 4234 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
6669f9bb | 4235 | "2718 Clear Virtual Link Received for VPI 0x%x" |
70f3c073 | 4236 | " tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag); |
6d368e53 | 4237 | |
6669f9bb | 4238 | vport = lpfc_find_vport_by_vpid(phba, |
5248a749 | 4239 | acqe_fip->index); |
fc2b989b | 4240 | ndlp = lpfc_sli4_perform_vport_cvl(vport); |
6669f9bb JS |
4241 | if (!ndlp) |
4242 | break; | |
695a814e JS |
4243 | active_vlink_present = 0; |
4244 | ||
4245 | vports = lpfc_create_vport_work_array(phba); | |
4246 | if (vports) { | |
4247 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; | |
4248 | i++) { | |
4249 | if ((!(vports[i]->fc_flag & | |
4250 | FC_VPORT_CVL_RCVD)) && | |
4251 | (vports[i]->port_state > LPFC_FDISC)) { | |
4252 | active_vlink_present = 1; | |
4253 | break; | |
4254 | } | |
4255 | } | |
4256 | lpfc_destroy_vport_work_array(phba, vports); | |
4257 | } | |
4258 | ||
4259 | if (active_vlink_present) { | |
4260 | /* | |
4261 | * If there are other active VLinks present, | |
4262 | * re-instantiate the Vlink using FDISC. | |
4263 | */ | |
256ec0d0 JS |
4264 | mod_timer(&ndlp->nlp_delayfunc, |
4265 | jiffies + msecs_to_jiffies(1000)); | |
fc2b989b | 4266 | shost = lpfc_shost_from_vport(vport); |
6669f9bb JS |
4267 | spin_lock_irq(shost->host_lock); |
4268 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
4269 | spin_unlock_irq(shost->host_lock); | |
695a814e JS |
4270 | ndlp->nlp_last_elscmd = ELS_CMD_FDISC; |
4271 | vport->port_state = LPFC_FDISC; | |
4272 | } else { | |
ecfd03c6 JS |
4273 | /* |
4274 | * Otherwise, we request port to rediscover | |
4275 | * the entire FCF table for a fast recovery | |
4276 | * from possible case that the current FCF | |
0c9ab6f5 JS |
4277 | * is no longer valid if we are not already |
4278 | * in the FCF failover process. | |
ecfd03c6 | 4279 | */ |
fc2b989b | 4280 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 4281 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) { |
fc2b989b JS |
4282 | spin_unlock_irq(&phba->hbalock); |
4283 | break; | |
4284 | } | |
4285 | /* Mark the fast failover process in progress */ | |
0c9ab6f5 | 4286 | phba->fcf.fcf_flag |= FCF_ACVL_DISC; |
fc2b989b | 4287 | spin_unlock_irq(&phba->hbalock); |
0c9ab6f5 JS |
4288 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | |
4289 | LOG_DISCOVERY, | |
a93ff37a | 4290 | "2773 Start FCF failover per CVL, " |
70f3c073 | 4291 | "evt_tag:x%x\n", acqe_fip->event_tag); |
ecfd03c6 | 4292 | rc = lpfc_sli4_redisc_fcf_table(phba); |
fc2b989b | 4293 | if (rc) { |
0c9ab6f5 JS |
4294 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | |
4295 | LOG_DISCOVERY, | |
4296 | "2774 Issue FCF rediscover " | |
4297 | "mabilbox command failed, " | |
4298 | "through to CVL event\n"); | |
fc2b989b | 4299 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 4300 | phba->fcf.fcf_flag &= ~FCF_ACVL_DISC; |
fc2b989b | 4301 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
4302 | /* |
4303 | * Last resort will be re-try on the | |
4304 | * the current registered FCF entry. | |
4305 | */ | |
4306 | lpfc_retry_pport_discovery(phba); | |
38b92ef8 JS |
4307 | } else |
4308 | /* | |
4309 | * Reset FCF roundrobin bmask for new | |
4310 | * discovery. | |
4311 | */ | |
7d791df7 | 4312 | lpfc_sli4_clear_fcf_rr_bmask(phba); |
6669f9bb JS |
4313 | } |
4314 | break; | |
da0436e9 JS |
4315 | default: |
4316 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4317 | "0288 Unknown FCoE event type 0x%x event tag " | |
70f3c073 | 4318 | "0x%x\n", event_type, acqe_fip->event_tag); |
da0436e9 JS |
4319 | break; |
4320 | } | |
4321 | } | |
4322 | ||
4323 | /** | |
4324 | * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event | |
4325 | * @phba: pointer to lpfc hba data structure. | |
4326 | * @acqe_link: pointer to the async dcbx completion queue entry. | |
4327 | * | |
4328 | * This routine is to handle the SLI4 asynchronous dcbx event. | |
4329 | **/ | |
4330 | static void | |
4331 | lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba, | |
4332 | struct lpfc_acqe_dcbx *acqe_dcbx) | |
4333 | { | |
4d9ab994 | 4334 | phba->fc_eventTag = acqe_dcbx->event_tag; |
da0436e9 JS |
4335 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
4336 | "0290 The SLI4 DCBX asynchronous event is not " | |
4337 | "handled yet\n"); | |
4338 | } | |
4339 | ||
b19a061a JS |
4340 | /** |
4341 | * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event | |
4342 | * @phba: pointer to lpfc hba data structure. | |
4343 | * @acqe_link: pointer to the async grp5 completion queue entry. | |
4344 | * | |
4345 | * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event | |
4346 | * is an asynchronous notified of a logical link speed change. The Port | |
4347 | * reports the logical link speed in units of 10Mbps. | |
4348 | **/ | |
4349 | static void | |
4350 | lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba, | |
4351 | struct lpfc_acqe_grp5 *acqe_grp5) | |
4352 | { | |
4353 | uint16_t prev_ll_spd; | |
4354 | ||
4355 | phba->fc_eventTag = acqe_grp5->event_tag; | |
4356 | phba->fcoe_eventtag = acqe_grp5->event_tag; | |
4357 | prev_ll_spd = phba->sli4_hba.link_state.logical_speed; | |
4358 | phba->sli4_hba.link_state.logical_speed = | |
8b68cd52 | 4359 | (bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5)) * 10; |
b19a061a JS |
4360 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
4361 | "2789 GRP5 Async Event: Updating logical link speed " | |
8b68cd52 JS |
4362 | "from %dMbps to %dMbps\n", prev_ll_spd, |
4363 | phba->sli4_hba.link_state.logical_speed); | |
b19a061a JS |
4364 | } |
4365 | ||
da0436e9 JS |
4366 | /** |
4367 | * lpfc_sli4_async_event_proc - Process all the pending asynchronous event | |
4368 | * @phba: pointer to lpfc hba data structure. | |
4369 | * | |
4370 | * This routine is invoked by the worker thread to process all the pending | |
4371 | * SLI4 asynchronous events. | |
4372 | **/ | |
4373 | void lpfc_sli4_async_event_proc(struct lpfc_hba *phba) | |
4374 | { | |
4375 | struct lpfc_cq_event *cq_event; | |
4376 | ||
4377 | /* First, declare the async event has been handled */ | |
4378 | spin_lock_irq(&phba->hbalock); | |
4379 | phba->hba_flag &= ~ASYNC_EVENT; | |
4380 | spin_unlock_irq(&phba->hbalock); | |
4381 | /* Now, handle all the async events */ | |
4382 | while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) { | |
4383 | /* Get the first event from the head of the event queue */ | |
4384 | spin_lock_irq(&phba->hbalock); | |
4385 | list_remove_head(&phba->sli4_hba.sp_asynce_work_queue, | |
4386 | cq_event, struct lpfc_cq_event, list); | |
4387 | spin_unlock_irq(&phba->hbalock); | |
4388 | /* Process the asynchronous event */ | |
4389 | switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) { | |
4390 | case LPFC_TRAILER_CODE_LINK: | |
4391 | lpfc_sli4_async_link_evt(phba, | |
4392 | &cq_event->cqe.acqe_link); | |
4393 | break; | |
4394 | case LPFC_TRAILER_CODE_FCOE: | |
70f3c073 | 4395 | lpfc_sli4_async_fip_evt(phba, &cq_event->cqe.acqe_fip); |
da0436e9 JS |
4396 | break; |
4397 | case LPFC_TRAILER_CODE_DCBX: | |
4398 | lpfc_sli4_async_dcbx_evt(phba, | |
4399 | &cq_event->cqe.acqe_dcbx); | |
4400 | break; | |
b19a061a JS |
4401 | case LPFC_TRAILER_CODE_GRP5: |
4402 | lpfc_sli4_async_grp5_evt(phba, | |
4403 | &cq_event->cqe.acqe_grp5); | |
4404 | break; | |
70f3c073 JS |
4405 | case LPFC_TRAILER_CODE_FC: |
4406 | lpfc_sli4_async_fc_evt(phba, &cq_event->cqe.acqe_fc); | |
4407 | break; | |
4408 | case LPFC_TRAILER_CODE_SLI: | |
4409 | lpfc_sli4_async_sli_evt(phba, &cq_event->cqe.acqe_sli); | |
4410 | break; | |
da0436e9 JS |
4411 | default: |
4412 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4413 | "1804 Invalid asynchrous event code: " | |
4414 | "x%x\n", bf_get(lpfc_trailer_code, | |
4415 | &cq_event->cqe.mcqe_cmpl)); | |
4416 | break; | |
4417 | } | |
4418 | /* Free the completion event processed to the free pool */ | |
4419 | lpfc_sli4_cq_event_release(phba, cq_event); | |
4420 | } | |
4421 | } | |
4422 | ||
ecfd03c6 JS |
4423 | /** |
4424 | * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event | |
4425 | * @phba: pointer to lpfc hba data structure. | |
4426 | * | |
4427 | * This routine is invoked by the worker thread to process FCF table | |
4428 | * rediscovery pending completion event. | |
4429 | **/ | |
4430 | void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba) | |
4431 | { | |
4432 | int rc; | |
4433 | ||
4434 | spin_lock_irq(&phba->hbalock); | |
4435 | /* Clear FCF rediscovery timeout event */ | |
4436 | phba->fcf.fcf_flag &= ~FCF_REDISC_EVT; | |
4437 | /* Clear driver fast failover FCF record flag */ | |
4438 | phba->fcf.failover_rec.flag = 0; | |
4439 | /* Set state for FCF fast failover */ | |
4440 | phba->fcf.fcf_flag |= FCF_REDISC_FOV; | |
4441 | spin_unlock_irq(&phba->hbalock); | |
4442 | ||
4443 | /* Scan FCF table from the first entry to re-discover SAN */ | |
0c9ab6f5 | 4444 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, |
a93ff37a | 4445 | "2777 Start post-quiescent FCF table scan\n"); |
0c9ab6f5 | 4446 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); |
ecfd03c6 | 4447 | if (rc) |
0c9ab6f5 JS |
4448 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
4449 | "2747 Issue FCF scan read FCF mailbox " | |
4450 | "command failed 0x%x\n", rc); | |
ecfd03c6 JS |
4451 | } |
4452 | ||
da0436e9 JS |
4453 | /** |
4454 | * lpfc_api_table_setup - Set up per hba pci-device group func api jump table | |
4455 | * @phba: pointer to lpfc hba data structure. | |
4456 | * @dev_grp: The HBA PCI-Device group number. | |
4457 | * | |
4458 | * This routine is invoked to set up the per HBA PCI-Device group function | |
4459 | * API jump table entries. | |
4460 | * | |
4461 | * Return: 0 if success, otherwise -ENODEV | |
4462 | **/ | |
4463 | int | |
4464 | lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
4465 | { | |
4466 | int rc; | |
4467 | ||
4468 | /* Set up lpfc PCI-device group */ | |
4469 | phba->pci_dev_grp = dev_grp; | |
4470 | ||
4471 | /* The LPFC_PCI_DEV_OC uses SLI4 */ | |
4472 | if (dev_grp == LPFC_PCI_DEV_OC) | |
4473 | phba->sli_rev = LPFC_SLI_REV4; | |
4474 | ||
4475 | /* Set up device INIT API function jump table */ | |
4476 | rc = lpfc_init_api_table_setup(phba, dev_grp); | |
4477 | if (rc) | |
4478 | return -ENODEV; | |
4479 | /* Set up SCSI API function jump table */ | |
4480 | rc = lpfc_scsi_api_table_setup(phba, dev_grp); | |
4481 | if (rc) | |
4482 | return -ENODEV; | |
4483 | /* Set up SLI API function jump table */ | |
4484 | rc = lpfc_sli_api_table_setup(phba, dev_grp); | |
4485 | if (rc) | |
4486 | return -ENODEV; | |
4487 | /* Set up MBOX API function jump table */ | |
4488 | rc = lpfc_mbox_api_table_setup(phba, dev_grp); | |
4489 | if (rc) | |
4490 | return -ENODEV; | |
4491 | ||
4492 | return 0; | |
5b75da2f JS |
4493 | } |
4494 | ||
4495 | /** | |
3621a710 | 4496 | * lpfc_log_intr_mode - Log the active interrupt mode |
5b75da2f JS |
4497 | * @phba: pointer to lpfc hba data structure. |
4498 | * @intr_mode: active interrupt mode adopted. | |
4499 | * | |
4500 | * This routine it invoked to log the currently used active interrupt mode | |
4501 | * to the device. | |
3772a991 JS |
4502 | **/ |
4503 | static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode) | |
5b75da2f JS |
4504 | { |
4505 | switch (intr_mode) { | |
4506 | case 0: | |
4507 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4508 | "0470 Enable INTx interrupt mode.\n"); | |
4509 | break; | |
4510 | case 1: | |
4511 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4512 | "0481 Enabled MSI interrupt mode.\n"); | |
4513 | break; | |
4514 | case 2: | |
4515 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4516 | "0480 Enabled MSI-X interrupt mode.\n"); | |
4517 | break; | |
4518 | default: | |
4519 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4520 | "0482 Illegal interrupt mode.\n"); | |
4521 | break; | |
4522 | } | |
4523 | return; | |
4524 | } | |
4525 | ||
5b75da2f | 4526 | /** |
3772a991 | 4527 | * lpfc_enable_pci_dev - Enable a generic PCI device. |
5b75da2f JS |
4528 | * @phba: pointer to lpfc hba data structure. |
4529 | * | |
3772a991 JS |
4530 | * This routine is invoked to enable the PCI device that is common to all |
4531 | * PCI devices. | |
5b75da2f JS |
4532 | * |
4533 | * Return codes | |
af901ca1 | 4534 | * 0 - successful |
3772a991 | 4535 | * other values - error |
5b75da2f | 4536 | **/ |
3772a991 JS |
4537 | static int |
4538 | lpfc_enable_pci_dev(struct lpfc_hba *phba) | |
5b75da2f | 4539 | { |
3772a991 | 4540 | struct pci_dev *pdev; |
079b5c91 | 4541 | int bars = 0; |
5b75da2f | 4542 | |
3772a991 JS |
4543 | /* Obtain PCI device reference */ |
4544 | if (!phba->pcidev) | |
4545 | goto out_error; | |
4546 | else | |
4547 | pdev = phba->pcidev; | |
4548 | /* Select PCI BARs */ | |
4549 | bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
4550 | /* Enable PCI device */ | |
4551 | if (pci_enable_device_mem(pdev)) | |
4552 | goto out_error; | |
4553 | /* Request PCI resource for the device */ | |
4554 | if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME)) | |
4555 | goto out_disable_device; | |
4556 | /* Set up device as PCI master and save state for EEH */ | |
4557 | pci_set_master(pdev); | |
4558 | pci_try_set_mwi(pdev); | |
4559 | pci_save_state(pdev); | |
5b75da2f | 4560 | |
0558056c JS |
4561 | /* PCIe EEH recovery on powerpc platforms needs fundamental reset */ |
4562 | if (pci_find_capability(pdev, PCI_CAP_ID_EXP)) | |
4563 | pdev->needs_freset = 1; | |
4564 | ||
3772a991 | 4565 | return 0; |
5b75da2f | 4566 | |
3772a991 JS |
4567 | out_disable_device: |
4568 | pci_disable_device(pdev); | |
4569 | out_error: | |
079b5c91 JS |
4570 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
4571 | "1401 Failed to enable pci device, bars:x%x\n", bars); | |
3772a991 | 4572 | return -ENODEV; |
5b75da2f JS |
4573 | } |
4574 | ||
4575 | /** | |
3772a991 | 4576 | * lpfc_disable_pci_dev - Disable a generic PCI device. |
5b75da2f JS |
4577 | * @phba: pointer to lpfc hba data structure. |
4578 | * | |
3772a991 JS |
4579 | * This routine is invoked to disable the PCI device that is common to all |
4580 | * PCI devices. | |
5b75da2f JS |
4581 | **/ |
4582 | static void | |
3772a991 | 4583 | lpfc_disable_pci_dev(struct lpfc_hba *phba) |
5b75da2f | 4584 | { |
3772a991 JS |
4585 | struct pci_dev *pdev; |
4586 | int bars; | |
5b75da2f | 4587 | |
3772a991 JS |
4588 | /* Obtain PCI device reference */ |
4589 | if (!phba->pcidev) | |
4590 | return; | |
4591 | else | |
4592 | pdev = phba->pcidev; | |
4593 | /* Select PCI BARs */ | |
4594 | bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
4595 | /* Release PCI resource and disable PCI device */ | |
4596 | pci_release_selected_regions(pdev, bars); | |
4597 | pci_disable_device(pdev); | |
4598 | /* Null out PCI private reference to driver */ | |
4599 | pci_set_drvdata(pdev, NULL); | |
5b75da2f JS |
4600 | |
4601 | return; | |
4602 | } | |
4603 | ||
e59058c4 | 4604 | /** |
3772a991 JS |
4605 | * lpfc_reset_hba - Reset a hba |
4606 | * @phba: pointer to lpfc hba data structure. | |
e59058c4 | 4607 | * |
3772a991 JS |
4608 | * This routine is invoked to reset a hba device. It brings the HBA |
4609 | * offline, performs a board restart, and then brings the board back | |
4610 | * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up | |
4611 | * on outstanding mailbox commands. | |
e59058c4 | 4612 | **/ |
3772a991 JS |
4613 | void |
4614 | lpfc_reset_hba(struct lpfc_hba *phba) | |
dea3101e | 4615 | { |
3772a991 JS |
4616 | /* If resets are disabled then set error state and return. */ |
4617 | if (!phba->cfg_enable_hba_reset) { | |
4618 | phba->link_state = LPFC_HBA_ERROR; | |
4619 | return; | |
4620 | } | |
618a5230 | 4621 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
3772a991 JS |
4622 | lpfc_offline(phba); |
4623 | lpfc_sli_brdrestart(phba); | |
4624 | lpfc_online(phba); | |
4625 | lpfc_unblock_mgmt_io(phba); | |
4626 | } | |
dea3101e | 4627 | |
0a96e975 JS |
4628 | /** |
4629 | * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions | |
4630 | * @phba: pointer to lpfc hba data structure. | |
4631 | * | |
4632 | * This function enables the PCI SR-IOV virtual functions to a physical | |
4633 | * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to | |
4634 | * enable the number of virtual functions to the physical function. As | |
4635 | * not all devices support SR-IOV, the return code from the pci_enable_sriov() | |
4636 | * API call does not considered as an error condition for most of the device. | |
4637 | **/ | |
4638 | uint16_t | |
4639 | lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *phba) | |
4640 | { | |
4641 | struct pci_dev *pdev = phba->pcidev; | |
4642 | uint16_t nr_virtfn; | |
4643 | int pos; | |
4644 | ||
0a96e975 JS |
4645 | pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV); |
4646 | if (pos == 0) | |
4647 | return 0; | |
4648 | ||
4649 | pci_read_config_word(pdev, pos + PCI_SRIOV_TOTAL_VF, &nr_virtfn); | |
4650 | return nr_virtfn; | |
4651 | } | |
4652 | ||
912e3acd JS |
4653 | /** |
4654 | * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions | |
4655 | * @phba: pointer to lpfc hba data structure. | |
4656 | * @nr_vfn: number of virtual functions to be enabled. | |
4657 | * | |
4658 | * This function enables the PCI SR-IOV virtual functions to a physical | |
4659 | * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to | |
4660 | * enable the number of virtual functions to the physical function. As | |
4661 | * not all devices support SR-IOV, the return code from the pci_enable_sriov() | |
4662 | * API call does not considered as an error condition for most of the device. | |
4663 | **/ | |
4664 | int | |
4665 | lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn) | |
4666 | { | |
4667 | struct pci_dev *pdev = phba->pcidev; | |
0a96e975 | 4668 | uint16_t max_nr_vfn; |
912e3acd JS |
4669 | int rc; |
4670 | ||
0a96e975 JS |
4671 | max_nr_vfn = lpfc_sli_sriov_nr_virtfn_get(phba); |
4672 | if (nr_vfn > max_nr_vfn) { | |
4673 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4674 | "3057 Requested vfs (%d) greater than " | |
4675 | "supported vfs (%d)", nr_vfn, max_nr_vfn); | |
4676 | return -EINVAL; | |
4677 | } | |
4678 | ||
912e3acd JS |
4679 | rc = pci_enable_sriov(pdev, nr_vfn); |
4680 | if (rc) { | |
4681 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
4682 | "2806 Failed to enable sriov on this device " | |
4683 | "with vfn number nr_vf:%d, rc:%d\n", | |
4684 | nr_vfn, rc); | |
4685 | } else | |
4686 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
4687 | "2807 Successful enable sriov on this device " | |
4688 | "with vfn number nr_vf:%d\n", nr_vfn); | |
4689 | return rc; | |
4690 | } | |
4691 | ||
3772a991 JS |
4692 | /** |
4693 | * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev. | |
4694 | * @phba: pointer to lpfc hba data structure. | |
4695 | * | |
4696 | * This routine is invoked to set up the driver internal resources specific to | |
4697 | * support the SLI-3 HBA device it attached to. | |
4698 | * | |
4699 | * Return codes | |
af901ca1 | 4700 | * 0 - successful |
3772a991 JS |
4701 | * other values - error |
4702 | **/ | |
4703 | static int | |
4704 | lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) | |
4705 | { | |
4706 | struct lpfc_sli *psli; | |
912e3acd | 4707 | int rc; |
dea3101e | 4708 | |
2e0fef85 | 4709 | /* |
3772a991 | 4710 | * Initialize timers used by driver |
2e0fef85 | 4711 | */ |
dea3101e | 4712 | |
3772a991 | 4713 | /* Heartbeat timer */ |
858c9f6c JS |
4714 | init_timer(&phba->hb_tmofunc); |
4715 | phba->hb_tmofunc.function = lpfc_hb_timeout; | |
4716 | phba->hb_tmofunc.data = (unsigned long)phba; | |
4717 | ||
dea3101e | 4718 | psli = &phba->sli; |
3772a991 | 4719 | /* MBOX heartbeat timer */ |
dea3101e JB |
4720 | init_timer(&psli->mbox_tmo); |
4721 | psli->mbox_tmo.function = lpfc_mbox_timeout; | |
2e0fef85 | 4722 | psli->mbox_tmo.data = (unsigned long) phba; |
3772a991 | 4723 | /* FCP polling mode timer */ |
875fbdfe JSEC |
4724 | init_timer(&phba->fcp_poll_timer); |
4725 | phba->fcp_poll_timer.function = lpfc_poll_timeout; | |
2e0fef85 | 4726 | phba->fcp_poll_timer.data = (unsigned long) phba; |
3772a991 | 4727 | /* Fabric block timer */ |
92d7f7b0 JS |
4728 | init_timer(&phba->fabric_block_timer); |
4729 | phba->fabric_block_timer.function = lpfc_fabric_block_timeout; | |
4730 | phba->fabric_block_timer.data = (unsigned long) phba; | |
3772a991 | 4731 | /* EA polling mode timer */ |
9399627f JS |
4732 | init_timer(&phba->eratt_poll); |
4733 | phba->eratt_poll.function = lpfc_poll_eratt; | |
4734 | phba->eratt_poll.data = (unsigned long) phba; | |
dea3101e | 4735 | |
3772a991 JS |
4736 | /* Host attention work mask setup */ |
4737 | phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT); | |
4738 | phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); | |
dea3101e | 4739 | |
3772a991 JS |
4740 | /* Get all the module params for configuring this host */ |
4741 | lpfc_get_cfgparam(phba); | |
49198b37 JS |
4742 | if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) { |
4743 | phba->menlo_flag |= HBA_MENLO_SUPPORT; | |
4744 | /* check for menlo minimum sg count */ | |
4745 | if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT) | |
4746 | phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT; | |
4747 | } | |
4748 | ||
2a76a283 JS |
4749 | if (!phba->sli.ring) |
4750 | phba->sli.ring = (struct lpfc_sli_ring *) | |
4751 | kzalloc(LPFC_SLI3_MAX_RING * | |
4752 | sizeof(struct lpfc_sli_ring), GFP_KERNEL); | |
4753 | if (!phba->sli.ring) | |
4754 | return -ENOMEM; | |
4755 | ||
dea3101e | 4756 | /* |
96f7077f | 4757 | * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size |
3772a991 | 4758 | * used to create the sg_dma_buf_pool must be dynamically calculated. |
dea3101e | 4759 | */ |
3772a991 | 4760 | |
96f7077f JS |
4761 | /* Initialize the host templates the configured values. */ |
4762 | lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
4763 | lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
4764 | ||
4765 | /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */ | |
3772a991 | 4766 | if (phba->cfg_enable_bg) { |
96f7077f JS |
4767 | /* |
4768 | * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd, | |
4769 | * the FCP rsp, and a BDE for each. Sice we have no control | |
4770 | * over how many protection data segments the SCSI Layer | |
4771 | * will hand us (ie: there could be one for every block | |
4772 | * in the IO), we just allocate enough BDEs to accomidate | |
4773 | * our max amount and we need to limit lpfc_sg_seg_cnt to | |
4774 | * minimize the risk of running out. | |
4775 | */ | |
4776 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
4777 | sizeof(struct fcp_rsp) + | |
4778 | (LPFC_MAX_SG_SEG_CNT * sizeof(struct ulp_bde64)); | |
4779 | ||
4780 | if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SEG_CNT_DIF) | |
4781 | phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT_DIF; | |
4782 | ||
4783 | /* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */ | |
4784 | phba->cfg_total_seg_cnt = LPFC_MAX_SG_SEG_CNT; | |
4785 | } else { | |
4786 | /* | |
4787 | * The scsi_buf for a regular I/O will hold the FCP cmnd, | |
4788 | * the FCP rsp, a BDE for each, and a BDE for up to | |
4789 | * cfg_sg_seg_cnt data segments. | |
4790 | */ | |
4791 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
4792 | sizeof(struct fcp_rsp) + | |
4793 | ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64)); | |
4794 | ||
4795 | /* Total BDEs in BPL for scsi_sg_list */ | |
4796 | phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2; | |
901a920f | 4797 | } |
dea3101e | 4798 | |
96f7077f JS |
4799 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP, |
4800 | "9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n", | |
4801 | phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size, | |
4802 | phba->cfg_total_seg_cnt); | |
dea3101e | 4803 | |
3772a991 JS |
4804 | phba->max_vpi = LPFC_MAX_VPI; |
4805 | /* This will be set to correct value after config_port mbox */ | |
4806 | phba->max_vports = 0; | |
dea3101e | 4807 | |
3772a991 JS |
4808 | /* |
4809 | * Initialize the SLI Layer to run with lpfc HBAs. | |
4810 | */ | |
4811 | lpfc_sli_setup(phba); | |
4812 | lpfc_sli_queue_setup(phba); | |
ed957684 | 4813 | |
3772a991 JS |
4814 | /* Allocate device driver memory */ |
4815 | if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ)) | |
4816 | return -ENOMEM; | |
51ef4c26 | 4817 | |
912e3acd JS |
4818 | /* |
4819 | * Enable sr-iov virtual functions if supported and configured | |
4820 | * through the module parameter. | |
4821 | */ | |
4822 | if (phba->cfg_sriov_nr_virtfn > 0) { | |
4823 | rc = lpfc_sli_probe_sriov_nr_virtfn(phba, | |
4824 | phba->cfg_sriov_nr_virtfn); | |
4825 | if (rc) { | |
4826 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
4827 | "2808 Requested number of SR-IOV " | |
4828 | "virtual functions (%d) is not " | |
4829 | "supported\n", | |
4830 | phba->cfg_sriov_nr_virtfn); | |
4831 | phba->cfg_sriov_nr_virtfn = 0; | |
4832 | } | |
4833 | } | |
4834 | ||
3772a991 JS |
4835 | return 0; |
4836 | } | |
ed957684 | 4837 | |
3772a991 JS |
4838 | /** |
4839 | * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev | |
4840 | * @phba: pointer to lpfc hba data structure. | |
4841 | * | |
4842 | * This routine is invoked to unset the driver internal resources set up | |
4843 | * specific for supporting the SLI-3 HBA device it attached to. | |
4844 | **/ | |
4845 | static void | |
4846 | lpfc_sli_driver_resource_unset(struct lpfc_hba *phba) | |
4847 | { | |
4848 | /* Free device driver memory allocated */ | |
4849 | lpfc_mem_free_all(phba); | |
3163f725 | 4850 | |
3772a991 JS |
4851 | return; |
4852 | } | |
dea3101e | 4853 | |
3772a991 | 4854 | /** |
da0436e9 | 4855 | * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev |
3772a991 JS |
4856 | * @phba: pointer to lpfc hba data structure. |
4857 | * | |
da0436e9 JS |
4858 | * This routine is invoked to set up the driver internal resources specific to |
4859 | * support the SLI-4 HBA device it attached to. | |
3772a991 JS |
4860 | * |
4861 | * Return codes | |
af901ca1 | 4862 | * 0 - successful |
da0436e9 | 4863 | * other values - error |
3772a991 JS |
4864 | **/ |
4865 | static int | |
da0436e9 | 4866 | lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) |
3772a991 | 4867 | { |
7bb03bbf | 4868 | struct lpfc_vector_map_info *cpup; |
da0436e9 | 4869 | struct lpfc_sli *psli; |
28baac74 | 4870 | LPFC_MBOXQ_t *mboxq; |
96f7077f | 4871 | int rc, i, hbq_count, max_buf_size; |
28baac74 JS |
4872 | uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0}; |
4873 | struct lpfc_mqe *mqe; | |
09294d46 | 4874 | int longs; |
da0436e9 JS |
4875 | |
4876 | /* Before proceed, wait for POST done and device ready */ | |
4877 | rc = lpfc_sli4_post_status_check(phba); | |
4878 | if (rc) | |
4879 | return -ENODEV; | |
4880 | ||
3772a991 | 4881 | /* |
da0436e9 | 4882 | * Initialize timers used by driver |
3772a991 | 4883 | */ |
3772a991 | 4884 | |
da0436e9 JS |
4885 | /* Heartbeat timer */ |
4886 | init_timer(&phba->hb_tmofunc); | |
4887 | phba->hb_tmofunc.function = lpfc_hb_timeout; | |
4888 | phba->hb_tmofunc.data = (unsigned long)phba; | |
19ca7609 JS |
4889 | init_timer(&phba->rrq_tmr); |
4890 | phba->rrq_tmr.function = lpfc_rrq_timeout; | |
4891 | phba->rrq_tmr.data = (unsigned long)phba; | |
3772a991 | 4892 | |
da0436e9 JS |
4893 | psli = &phba->sli; |
4894 | /* MBOX heartbeat timer */ | |
4895 | init_timer(&psli->mbox_tmo); | |
4896 | psli->mbox_tmo.function = lpfc_mbox_timeout; | |
4897 | psli->mbox_tmo.data = (unsigned long) phba; | |
4898 | /* Fabric block timer */ | |
4899 | init_timer(&phba->fabric_block_timer); | |
4900 | phba->fabric_block_timer.function = lpfc_fabric_block_timeout; | |
4901 | phba->fabric_block_timer.data = (unsigned long) phba; | |
4902 | /* EA polling mode timer */ | |
4903 | init_timer(&phba->eratt_poll); | |
4904 | phba->eratt_poll.function = lpfc_poll_eratt; | |
4905 | phba->eratt_poll.data = (unsigned long) phba; | |
ecfd03c6 JS |
4906 | /* FCF rediscover timer */ |
4907 | init_timer(&phba->fcf.redisc_wait); | |
4908 | phba->fcf.redisc_wait.function = lpfc_sli4_fcf_redisc_wait_tmo; | |
4909 | phba->fcf.redisc_wait.data = (unsigned long)phba; | |
4910 | ||
7ad20aa9 JS |
4911 | /* |
4912 | * Control structure for handling external multi-buffer mailbox | |
4913 | * command pass-through. | |
4914 | */ | |
4915 | memset((uint8_t *)&phba->mbox_ext_buf_ctx, 0, | |
4916 | sizeof(struct lpfc_mbox_ext_buf_ctx)); | |
4917 | INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list); | |
4918 | ||
da0436e9 JS |
4919 | /* |
4920 | * We need to do a READ_CONFIG mailbox command here before | |
4921 | * calling lpfc_get_cfgparam. For VFs this will report the | |
4922 | * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings. | |
4923 | * All of the resources allocated | |
4924 | * for this Port are tied to these values. | |
4925 | */ | |
4926 | /* Get all the module params for configuring this host */ | |
4927 | lpfc_get_cfgparam(phba); | |
4928 | phba->max_vpi = LPFC_MAX_VPI; | |
67d12733 JS |
4929 | |
4930 | /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */ | |
4931 | phba->cfg_fcp_io_channel = phba->cfg_fcp_eq_count; | |
4932 | ||
da0436e9 JS |
4933 | /* This will be set to correct value after the read_config mbox */ |
4934 | phba->max_vports = 0; | |
3772a991 | 4935 | |
da0436e9 JS |
4936 | /* Program the default value of vlan_id and fc_map */ |
4937 | phba->valid_vlan = 0; | |
4938 | phba->fc_map[0] = LPFC_FCOE_FCF_MAP0; | |
4939 | phba->fc_map[1] = LPFC_FCOE_FCF_MAP1; | |
4940 | phba->fc_map[2] = LPFC_FCOE_FCF_MAP2; | |
3772a991 | 4941 | |
2a76a283 JS |
4942 | /* |
4943 | * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands | |
4944 | * we will associate a new ring, for each FCP fastpath EQ/CQ/WQ tuple. | |
4945 | */ | |
4946 | if (!phba->sli.ring) | |
4947 | phba->sli.ring = kzalloc( | |
67d12733 | 4948 | (LPFC_SLI3_MAX_RING + phba->cfg_fcp_io_channel) * |
2a76a283 JS |
4949 | sizeof(struct lpfc_sli_ring), GFP_KERNEL); |
4950 | if (!phba->sli.ring) | |
4951 | return -ENOMEM; | |
09294d46 | 4952 | |
da0436e9 | 4953 | /* |
09294d46 JS |
4954 | * It doesn't matter what family our adapter is in, we are |
4955 | * limited to 2 Pages, 512 SGEs, for our SGL. | |
4956 | * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp | |
4957 | */ | |
4958 | max_buf_size = (2 * SLI4_PAGE_SIZE); | |
4959 | if (phba->cfg_sg_seg_cnt > LPFC_MAX_SGL_SEG_CNT - 2) | |
4960 | phba->cfg_sg_seg_cnt = LPFC_MAX_SGL_SEG_CNT - 2; | |
09294d46 | 4961 | |
da0436e9 | 4962 | /* |
96f7077f | 4963 | * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size |
da0436e9 | 4964 | * used to create the sg_dma_buf_pool must be dynamically calculated. |
da0436e9 | 4965 | */ |
96f7077f JS |
4966 | |
4967 | if (phba->cfg_enable_bg) { | |
4968 | /* | |
4969 | * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd, | |
4970 | * the FCP rsp, and a SGE for each. Sice we have no control | |
4971 | * over how many protection data segments the SCSI Layer | |
4972 | * will hand us (ie: there could be one for every block | |
4973 | * in the IO), we just allocate enough SGEs to accomidate | |
4974 | * our max amount and we need to limit lpfc_sg_seg_cnt to | |
4975 | * minimize the risk of running out. | |
4976 | */ | |
4977 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
4978 | sizeof(struct fcp_rsp) + max_buf_size; | |
4979 | ||
4980 | /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */ | |
4981 | phba->cfg_total_seg_cnt = LPFC_MAX_SGL_SEG_CNT; | |
4982 | ||
4983 | if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SLI4_SEG_CNT_DIF) | |
4984 | phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SLI4_SEG_CNT_DIF; | |
4985 | } else { | |
4986 | /* | |
4987 | * The scsi_buf for a regular I/O will hold the FCP cmnd, | |
4988 | * the FCP rsp, a SGE for each, and a SGE for up to | |
4989 | * cfg_sg_seg_cnt data segments. | |
4990 | */ | |
4991 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
4992 | sizeof(struct fcp_rsp) + | |
4993 | ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge)); | |
4994 | ||
4995 | /* Total SGEs for scsi_sg_list */ | |
4996 | phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2; | |
4997 | /* | |
4998 | * NOTE: if (phba->cfg_sg_seg_cnt + 2) <= 256 we only need | |
4999 | * to post 1 page for the SGL. | |
5000 | */ | |
085c647c | 5001 | } |
acd6859b | 5002 | |
96f7077f JS |
5003 | /* Initialize the host templates with the updated values. */ |
5004 | lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
5005 | lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
5006 | ||
5007 | if (phba->cfg_sg_dma_buf_size <= LPFC_MIN_SG_SLI4_BUF_SZ) | |
5008 | phba->cfg_sg_dma_buf_size = LPFC_MIN_SG_SLI4_BUF_SZ; | |
5009 | else | |
5010 | phba->cfg_sg_dma_buf_size = | |
5011 | SLI4_PAGE_ALIGN(phba->cfg_sg_dma_buf_size); | |
5012 | ||
5013 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP, | |
5014 | "9087 sg_tablesize:%d dmabuf_size:%d total_sge:%d\n", | |
5015 | phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size, | |
5016 | phba->cfg_total_seg_cnt); | |
3772a991 | 5017 | |
da0436e9 JS |
5018 | /* Initialize buffer queue management fields */ |
5019 | hbq_count = lpfc_sli_hbq_count(); | |
5020 | for (i = 0; i < hbq_count; ++i) | |
5021 | INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); | |
5022 | INIT_LIST_HEAD(&phba->rb_pend_list); | |
5023 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc; | |
5024 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free; | |
3772a991 | 5025 | |
da0436e9 JS |
5026 | /* |
5027 | * Initialize the SLI Layer to run with lpfc SLI4 HBAs. | |
5028 | */ | |
5029 | /* Initialize the Abort scsi buffer list used by driver */ | |
5030 | spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
5031 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list); | |
5032 | /* This abort list used by worker thread */ | |
5033 | spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock); | |
3772a991 | 5034 | |
da0436e9 | 5035 | /* |
6d368e53 | 5036 | * Initialize driver internal slow-path work queues |
da0436e9 | 5037 | */ |
3772a991 | 5038 | |
da0436e9 JS |
5039 | /* Driver internel slow-path CQ Event pool */ |
5040 | INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool); | |
5041 | /* Response IOCB work queue list */ | |
45ed1190 | 5042 | INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event); |
da0436e9 JS |
5043 | /* Asynchronous event CQ Event work queue list */ |
5044 | INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue); | |
5045 | /* Fast-path XRI aborted CQ Event work queue list */ | |
5046 | INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue); | |
5047 | /* Slow-path XRI aborted CQ Event work queue list */ | |
5048 | INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue); | |
5049 | /* Receive queue CQ Event work queue list */ | |
5050 | INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue); | |
5051 | ||
6d368e53 JS |
5052 | /* Initialize extent block lists. */ |
5053 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_blk_list); | |
5054 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_xri_blk_list); | |
5055 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_vfi_blk_list); | |
5056 | INIT_LIST_HEAD(&phba->lpfc_vpi_blk_list); | |
5057 | ||
da0436e9 JS |
5058 | /* Initialize the driver internal SLI layer lists. */ |
5059 | lpfc_sli_setup(phba); | |
5060 | lpfc_sli_queue_setup(phba); | |
3772a991 | 5061 | |
da0436e9 JS |
5062 | /* Allocate device driver memory */ |
5063 | rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ); | |
5064 | if (rc) | |
5065 | return -ENOMEM; | |
5066 | ||
2fcee4bf JS |
5067 | /* IF Type 2 ports get initialized now. */ |
5068 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == | |
5069 | LPFC_SLI_INTF_IF_TYPE_2) { | |
5070 | rc = lpfc_pci_function_reset(phba); | |
5071 | if (unlikely(rc)) | |
5072 | return -ENODEV; | |
5073 | } | |
5074 | ||
da0436e9 JS |
5075 | /* Create the bootstrap mailbox command */ |
5076 | rc = lpfc_create_bootstrap_mbox(phba); | |
5077 | if (unlikely(rc)) | |
5078 | goto out_free_mem; | |
5079 | ||
5080 | /* Set up the host's endian order with the device. */ | |
5081 | rc = lpfc_setup_endian_order(phba); | |
5082 | if (unlikely(rc)) | |
5083 | goto out_free_bsmbx; | |
5084 | ||
5085 | /* Set up the hba's configuration parameters. */ | |
5086 | rc = lpfc_sli4_read_config(phba); | |
5087 | if (unlikely(rc)) | |
5088 | goto out_free_bsmbx; | |
5089 | ||
2fcee4bf JS |
5090 | /* IF Type 0 ports get initialized now. */ |
5091 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == | |
5092 | LPFC_SLI_INTF_IF_TYPE_0) { | |
5093 | rc = lpfc_pci_function_reset(phba); | |
5094 | if (unlikely(rc)) | |
5095 | goto out_free_bsmbx; | |
5096 | } | |
da0436e9 | 5097 | |
cb5172ea JS |
5098 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, |
5099 | GFP_KERNEL); | |
5100 | if (!mboxq) { | |
5101 | rc = -ENOMEM; | |
5102 | goto out_free_bsmbx; | |
5103 | } | |
5104 | ||
fedd3b7b | 5105 | /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */ |
cb5172ea JS |
5106 | lpfc_supported_pages(mboxq); |
5107 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
fedd3b7b JS |
5108 | if (!rc) { |
5109 | mqe = &mboxq->u.mqe; | |
5110 | memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3), | |
5111 | LPFC_MAX_SUPPORTED_PAGES); | |
5112 | for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) { | |
5113 | switch (pn_page[i]) { | |
5114 | case LPFC_SLI4_PARAMETERS: | |
5115 | phba->sli4_hba.pc_sli4_params.supported = 1; | |
5116 | break; | |
5117 | default: | |
5118 | break; | |
5119 | } | |
5120 | } | |
5121 | /* Read the port's SLI4 Parameters capabilities if supported. */ | |
5122 | if (phba->sli4_hba.pc_sli4_params.supported) | |
5123 | rc = lpfc_pc_sli4_params_get(phba, mboxq); | |
5124 | if (rc) { | |
5125 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5126 | rc = -EIO; | |
5127 | goto out_free_bsmbx; | |
cb5172ea JS |
5128 | } |
5129 | } | |
fedd3b7b JS |
5130 | /* |
5131 | * Get sli4 parameters that override parameters from Port capabilities. | |
6d368e53 JS |
5132 | * If this call fails, it isn't critical unless the SLI4 parameters come |
5133 | * back in conflict. | |
fedd3b7b | 5134 | */ |
6d368e53 JS |
5135 | rc = lpfc_get_sli4_parameters(phba, mboxq); |
5136 | if (rc) { | |
5137 | if (phba->sli4_hba.extents_in_use && | |
5138 | phba->sli4_hba.rpi_hdrs_in_use) { | |
5139 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5140 | "2999 Unsupported SLI4 Parameters " | |
5141 | "Extents and RPI headers enabled.\n"); | |
5142 | goto out_free_bsmbx; | |
5143 | } | |
5144 | } | |
cb5172ea | 5145 | mempool_free(mboxq, phba->mbox_mem_pool); |
5350d872 JS |
5146 | /* Verify all the SLI4 queues */ |
5147 | rc = lpfc_sli4_queue_verify(phba); | |
da0436e9 JS |
5148 | if (rc) |
5149 | goto out_free_bsmbx; | |
5150 | ||
5151 | /* Create driver internal CQE event pool */ | |
5152 | rc = lpfc_sli4_cq_event_pool_create(phba); | |
5153 | if (rc) | |
5350d872 | 5154 | goto out_free_bsmbx; |
da0436e9 | 5155 | |
8a9d2e80 JS |
5156 | /* Initialize sgl lists per host */ |
5157 | lpfc_init_sgl_list(phba); | |
5158 | ||
5159 | /* Allocate and initialize active sgl array */ | |
da0436e9 JS |
5160 | rc = lpfc_init_active_sgl_array(phba); |
5161 | if (rc) { | |
5162 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5163 | "1430 Failed to initialize sgl list.\n"); | |
8a9d2e80 | 5164 | goto out_destroy_cq_event_pool; |
da0436e9 | 5165 | } |
da0436e9 JS |
5166 | rc = lpfc_sli4_init_rpi_hdrs(phba); |
5167 | if (rc) { | |
5168 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5169 | "1432 Failed to initialize rpi headers.\n"); | |
5170 | goto out_free_active_sgl; | |
5171 | } | |
5172 | ||
a93ff37a | 5173 | /* Allocate eligible FCF bmask memory for FCF roundrobin failover */ |
0c9ab6f5 JS |
5174 | longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG; |
5175 | phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long), | |
5176 | GFP_KERNEL); | |
5177 | if (!phba->fcf.fcf_rr_bmask) { | |
5178 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5179 | "2759 Failed allocate memory for FCF round " | |
5180 | "robin failover bmask\n"); | |
0558056c | 5181 | rc = -ENOMEM; |
0c9ab6f5 JS |
5182 | goto out_remove_rpi_hdrs; |
5183 | } | |
5184 | ||
67d12733 JS |
5185 | phba->sli4_hba.fcp_eq_hdl = |
5186 | kzalloc((sizeof(struct lpfc_fcp_eq_hdl) * | |
5187 | phba->cfg_fcp_io_channel), GFP_KERNEL); | |
5188 | if (!phba->sli4_hba.fcp_eq_hdl) { | |
5189 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5190 | "2572 Failed allocate memory for " | |
5191 | "fast-path per-EQ handle array\n"); | |
5192 | rc = -ENOMEM; | |
5193 | goto out_free_fcf_rr_bmask; | |
da0436e9 JS |
5194 | } |
5195 | ||
5196 | phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) * | |
82c3e9ba | 5197 | phba->cfg_fcp_io_channel), GFP_KERNEL); |
da0436e9 JS |
5198 | if (!phba->sli4_hba.msix_entries) { |
5199 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5200 | "2573 Failed allocate memory for msi-x " | |
5201 | "interrupt vector entries\n"); | |
0558056c | 5202 | rc = -ENOMEM; |
da0436e9 JS |
5203 | goto out_free_fcp_eq_hdl; |
5204 | } | |
5205 | ||
7bb03bbf JS |
5206 | phba->sli4_hba.cpu_map = kzalloc((sizeof(struct lpfc_vector_map_info) * |
5207 | phba->sli4_hba.num_present_cpu), | |
5208 | GFP_KERNEL); | |
5209 | if (!phba->sli4_hba.cpu_map) { | |
5210 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5211 | "3327 Failed allocate memory for msi-x " | |
5212 | "interrupt vector mapping\n"); | |
5213 | rc = -ENOMEM; | |
5214 | goto out_free_msix; | |
5215 | } | |
5216 | /* Initialize io channels for round robin */ | |
5217 | cpup = phba->sli4_hba.cpu_map; | |
5218 | rc = 0; | |
5219 | for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) { | |
5220 | cpup->channel_id = rc; | |
5221 | rc++; | |
5222 | if (rc >= phba->cfg_fcp_io_channel) | |
5223 | rc = 0; | |
5224 | } | |
5225 | ||
912e3acd JS |
5226 | /* |
5227 | * Enable sr-iov virtual functions if supported and configured | |
5228 | * through the module parameter. | |
5229 | */ | |
5230 | if (phba->cfg_sriov_nr_virtfn > 0) { | |
5231 | rc = lpfc_sli_probe_sriov_nr_virtfn(phba, | |
5232 | phba->cfg_sriov_nr_virtfn); | |
5233 | if (rc) { | |
5234 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
5235 | "3020 Requested number of SR-IOV " | |
5236 | "virtual functions (%d) is not " | |
5237 | "supported\n", | |
5238 | phba->cfg_sriov_nr_virtfn); | |
5239 | phba->cfg_sriov_nr_virtfn = 0; | |
5240 | } | |
5241 | } | |
5242 | ||
5248a749 | 5243 | return 0; |
da0436e9 | 5244 | |
7bb03bbf JS |
5245 | out_free_msix: |
5246 | kfree(phba->sli4_hba.msix_entries); | |
da0436e9 JS |
5247 | out_free_fcp_eq_hdl: |
5248 | kfree(phba->sli4_hba.fcp_eq_hdl); | |
0c9ab6f5 JS |
5249 | out_free_fcf_rr_bmask: |
5250 | kfree(phba->fcf.fcf_rr_bmask); | |
da0436e9 JS |
5251 | out_remove_rpi_hdrs: |
5252 | lpfc_sli4_remove_rpi_hdrs(phba); | |
5253 | out_free_active_sgl: | |
5254 | lpfc_free_active_sgl(phba); | |
da0436e9 JS |
5255 | out_destroy_cq_event_pool: |
5256 | lpfc_sli4_cq_event_pool_destroy(phba); | |
da0436e9 JS |
5257 | out_free_bsmbx: |
5258 | lpfc_destroy_bootstrap_mbox(phba); | |
5259 | out_free_mem: | |
5260 | lpfc_mem_free(phba); | |
5261 | return rc; | |
5262 | } | |
5263 | ||
5264 | /** | |
5265 | * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev | |
5266 | * @phba: pointer to lpfc hba data structure. | |
5267 | * | |
5268 | * This routine is invoked to unset the driver internal resources set up | |
5269 | * specific for supporting the SLI-4 HBA device it attached to. | |
5270 | **/ | |
5271 | static void | |
5272 | lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba) | |
5273 | { | |
5274 | struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry; | |
5275 | ||
7bb03bbf JS |
5276 | /* Free memory allocated for msi-x interrupt vector to CPU mapping */ |
5277 | kfree(phba->sli4_hba.cpu_map); | |
5278 | phba->sli4_hba.num_present_cpu = 0; | |
5279 | phba->sli4_hba.num_online_cpu = 0; | |
5280 | ||
da0436e9 JS |
5281 | /* Free memory allocated for msi-x interrupt vector entries */ |
5282 | kfree(phba->sli4_hba.msix_entries); | |
5283 | ||
5284 | /* Free memory allocated for fast-path work queue handles */ | |
5285 | kfree(phba->sli4_hba.fcp_eq_hdl); | |
5286 | ||
5287 | /* Free the allocated rpi headers. */ | |
5288 | lpfc_sli4_remove_rpi_hdrs(phba); | |
d11e31dd | 5289 | lpfc_sli4_remove_rpis(phba); |
da0436e9 | 5290 | |
0c9ab6f5 JS |
5291 | /* Free eligible FCF index bmask */ |
5292 | kfree(phba->fcf.fcf_rr_bmask); | |
5293 | ||
da0436e9 JS |
5294 | /* Free the ELS sgl list */ |
5295 | lpfc_free_active_sgl(phba); | |
8a9d2e80 | 5296 | lpfc_free_els_sgl_list(phba); |
da0436e9 | 5297 | |
da0436e9 JS |
5298 | /* Free the completion queue EQ event pool */ |
5299 | lpfc_sli4_cq_event_release_all(phba); | |
5300 | lpfc_sli4_cq_event_pool_destroy(phba); | |
5301 | ||
6d368e53 JS |
5302 | /* Release resource identifiers. */ |
5303 | lpfc_sli4_dealloc_resource_identifiers(phba); | |
5304 | ||
da0436e9 JS |
5305 | /* Free the bsmbx region. */ |
5306 | lpfc_destroy_bootstrap_mbox(phba); | |
5307 | ||
5308 | /* Free the SLI Layer memory with SLI4 HBAs */ | |
5309 | lpfc_mem_free_all(phba); | |
5310 | ||
5311 | /* Free the current connect table */ | |
5312 | list_for_each_entry_safe(conn_entry, next_conn_entry, | |
4d9ab994 JS |
5313 | &phba->fcf_conn_rec_list, list) { |
5314 | list_del_init(&conn_entry->list); | |
da0436e9 | 5315 | kfree(conn_entry); |
4d9ab994 | 5316 | } |
da0436e9 JS |
5317 | |
5318 | return; | |
5319 | } | |
5320 | ||
5321 | /** | |
25985edc | 5322 | * lpfc_init_api_table_setup - Set up init api function jump table |
da0436e9 JS |
5323 | * @phba: The hba struct for which this call is being executed. |
5324 | * @dev_grp: The HBA PCI-Device group number. | |
5325 | * | |
5326 | * This routine sets up the device INIT interface API function jump table | |
5327 | * in @phba struct. | |
5328 | * | |
5329 | * Returns: 0 - success, -ENODEV - failure. | |
5330 | **/ | |
5331 | int | |
5332 | lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
5333 | { | |
84d1b006 JS |
5334 | phba->lpfc_hba_init_link = lpfc_hba_init_link; |
5335 | phba->lpfc_hba_down_link = lpfc_hba_down_link; | |
7f86059a | 5336 | phba->lpfc_selective_reset = lpfc_selective_reset; |
da0436e9 JS |
5337 | switch (dev_grp) { |
5338 | case LPFC_PCI_DEV_LP: | |
5339 | phba->lpfc_hba_down_post = lpfc_hba_down_post_s3; | |
5340 | phba->lpfc_handle_eratt = lpfc_handle_eratt_s3; | |
5341 | phba->lpfc_stop_port = lpfc_stop_port_s3; | |
5342 | break; | |
5343 | case LPFC_PCI_DEV_OC: | |
5344 | phba->lpfc_hba_down_post = lpfc_hba_down_post_s4; | |
5345 | phba->lpfc_handle_eratt = lpfc_handle_eratt_s4; | |
5346 | phba->lpfc_stop_port = lpfc_stop_port_s4; | |
5347 | break; | |
5348 | default: | |
5349 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5350 | "1431 Invalid HBA PCI-device group: 0x%x\n", | |
5351 | dev_grp); | |
5352 | return -ENODEV; | |
5353 | break; | |
5354 | } | |
5355 | return 0; | |
5356 | } | |
5357 | ||
5358 | /** | |
5359 | * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources. | |
5360 | * @phba: pointer to lpfc hba data structure. | |
5361 | * | |
5362 | * This routine is invoked to set up the driver internal resources before the | |
5363 | * device specific resource setup to support the HBA device it attached to. | |
5364 | * | |
5365 | * Return codes | |
af901ca1 | 5366 | * 0 - successful |
da0436e9 JS |
5367 | * other values - error |
5368 | **/ | |
5369 | static int | |
5370 | lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba) | |
5371 | { | |
5372 | /* | |
5373 | * Driver resources common to all SLI revisions | |
5374 | */ | |
5375 | atomic_set(&phba->fast_event_count, 0); | |
5376 | spin_lock_init(&phba->hbalock); | |
5377 | ||
5378 | /* Initialize ndlp management spinlock */ | |
5379 | spin_lock_init(&phba->ndlp_lock); | |
5380 | ||
5381 | INIT_LIST_HEAD(&phba->port_list); | |
5382 | INIT_LIST_HEAD(&phba->work_list); | |
5383 | init_waitqueue_head(&phba->wait_4_mlo_m_q); | |
5384 | ||
5385 | /* Initialize the wait queue head for the kernel thread */ | |
5386 | init_waitqueue_head(&phba->work_waitq); | |
5387 | ||
5388 | /* Initialize the scsi buffer list used by driver for scsi IO */ | |
a40fc5f0 JS |
5389 | spin_lock_init(&phba->scsi_buf_list_get_lock); |
5390 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get); | |
5391 | spin_lock_init(&phba->scsi_buf_list_put_lock); | |
5392 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put); | |
da0436e9 JS |
5393 | |
5394 | /* Initialize the fabric iocb list */ | |
5395 | INIT_LIST_HEAD(&phba->fabric_iocb_list); | |
5396 | ||
5397 | /* Initialize list to save ELS buffers */ | |
5398 | INIT_LIST_HEAD(&phba->elsbuf); | |
5399 | ||
5400 | /* Initialize FCF connection rec list */ | |
5401 | INIT_LIST_HEAD(&phba->fcf_conn_rec_list); | |
5402 | ||
5403 | return 0; | |
5404 | } | |
5405 | ||
5406 | /** | |
5407 | * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources. | |
5408 | * @phba: pointer to lpfc hba data structure. | |
5409 | * | |
5410 | * This routine is invoked to set up the driver internal resources after the | |
5411 | * device specific resource setup to support the HBA device it attached to. | |
5412 | * | |
5413 | * Return codes | |
af901ca1 | 5414 | * 0 - successful |
da0436e9 JS |
5415 | * other values - error |
5416 | **/ | |
5417 | static int | |
5418 | lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba) | |
5419 | { | |
5420 | int error; | |
5421 | ||
5422 | /* Startup the kernel thread for this host adapter. */ | |
5423 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
5424 | "lpfc_worker_%d", phba->brd_no); | |
5425 | if (IS_ERR(phba->worker_thread)) { | |
5426 | error = PTR_ERR(phba->worker_thread); | |
5427 | return error; | |
3772a991 JS |
5428 | } |
5429 | ||
5430 | return 0; | |
5431 | } | |
5432 | ||
5433 | /** | |
5434 | * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources. | |
5435 | * @phba: pointer to lpfc hba data structure. | |
5436 | * | |
5437 | * This routine is invoked to unset the driver internal resources set up after | |
5438 | * the device specific resource setup for supporting the HBA device it | |
5439 | * attached to. | |
5440 | **/ | |
5441 | static void | |
5442 | lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba) | |
5443 | { | |
5444 | /* Stop kernel worker thread */ | |
5445 | kthread_stop(phba->worker_thread); | |
5446 | } | |
5447 | ||
5448 | /** | |
5449 | * lpfc_free_iocb_list - Free iocb list. | |
5450 | * @phba: pointer to lpfc hba data structure. | |
5451 | * | |
5452 | * This routine is invoked to free the driver's IOCB list and memory. | |
5453 | **/ | |
5454 | static void | |
5455 | lpfc_free_iocb_list(struct lpfc_hba *phba) | |
5456 | { | |
5457 | struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; | |
5458 | ||
5459 | spin_lock_irq(&phba->hbalock); | |
5460 | list_for_each_entry_safe(iocbq_entry, iocbq_next, | |
5461 | &phba->lpfc_iocb_list, list) { | |
5462 | list_del(&iocbq_entry->list); | |
5463 | kfree(iocbq_entry); | |
5464 | phba->total_iocbq_bufs--; | |
98c9ea5c | 5465 | } |
3772a991 JS |
5466 | spin_unlock_irq(&phba->hbalock); |
5467 | ||
5468 | return; | |
5469 | } | |
5470 | ||
5471 | /** | |
5472 | * lpfc_init_iocb_list - Allocate and initialize iocb list. | |
5473 | * @phba: pointer to lpfc hba data structure. | |
5474 | * | |
5475 | * This routine is invoked to allocate and initizlize the driver's IOCB | |
5476 | * list and set up the IOCB tag array accordingly. | |
5477 | * | |
5478 | * Return codes | |
af901ca1 | 5479 | * 0 - successful |
3772a991 JS |
5480 | * other values - error |
5481 | **/ | |
5482 | static int | |
5483 | lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count) | |
5484 | { | |
5485 | struct lpfc_iocbq *iocbq_entry = NULL; | |
5486 | uint16_t iotag; | |
5487 | int i; | |
dea3101e JB |
5488 | |
5489 | /* Initialize and populate the iocb list per host. */ | |
5490 | INIT_LIST_HEAD(&phba->lpfc_iocb_list); | |
3772a991 | 5491 | for (i = 0; i < iocb_count; i++) { |
dd00cc48 | 5492 | iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); |
dea3101e JB |
5493 | if (iocbq_entry == NULL) { |
5494 | printk(KERN_ERR "%s: only allocated %d iocbs of " | |
5495 | "expected %d count. Unloading driver.\n", | |
cadbd4a5 | 5496 | __func__, i, LPFC_IOCB_LIST_CNT); |
dea3101e JB |
5497 | goto out_free_iocbq; |
5498 | } | |
5499 | ||
604a3e30 JB |
5500 | iotag = lpfc_sli_next_iotag(phba, iocbq_entry); |
5501 | if (iotag == 0) { | |
3772a991 | 5502 | kfree(iocbq_entry); |
604a3e30 | 5503 | printk(KERN_ERR "%s: failed to allocate IOTAG. " |
3772a991 | 5504 | "Unloading driver.\n", __func__); |
604a3e30 JB |
5505 | goto out_free_iocbq; |
5506 | } | |
6d368e53 | 5507 | iocbq_entry->sli4_lxritag = NO_XRI; |
3772a991 | 5508 | iocbq_entry->sli4_xritag = NO_XRI; |
2e0fef85 JS |
5509 | |
5510 | spin_lock_irq(&phba->hbalock); | |
dea3101e JB |
5511 | list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); |
5512 | phba->total_iocbq_bufs++; | |
2e0fef85 | 5513 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
5514 | } |
5515 | ||
3772a991 | 5516 | return 0; |
dea3101e | 5517 | |
3772a991 JS |
5518 | out_free_iocbq: |
5519 | lpfc_free_iocb_list(phba); | |
dea3101e | 5520 | |
3772a991 JS |
5521 | return -ENOMEM; |
5522 | } | |
5e9d9b82 | 5523 | |
3772a991 | 5524 | /** |
8a9d2e80 | 5525 | * lpfc_free_sgl_list - Free a given sgl list. |
da0436e9 | 5526 | * @phba: pointer to lpfc hba data structure. |
8a9d2e80 | 5527 | * @sglq_list: pointer to the head of sgl list. |
3772a991 | 5528 | * |
8a9d2e80 | 5529 | * This routine is invoked to free a give sgl list and memory. |
3772a991 | 5530 | **/ |
8a9d2e80 JS |
5531 | void |
5532 | lpfc_free_sgl_list(struct lpfc_hba *phba, struct list_head *sglq_list) | |
3772a991 | 5533 | { |
da0436e9 | 5534 | struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; |
8a9d2e80 JS |
5535 | |
5536 | list_for_each_entry_safe(sglq_entry, sglq_next, sglq_list, list) { | |
5537 | list_del(&sglq_entry->list); | |
5538 | lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys); | |
5539 | kfree(sglq_entry); | |
5540 | } | |
5541 | } | |
5542 | ||
5543 | /** | |
5544 | * lpfc_free_els_sgl_list - Free els sgl list. | |
5545 | * @phba: pointer to lpfc hba data structure. | |
5546 | * | |
5547 | * This routine is invoked to free the driver's els sgl list and memory. | |
5548 | **/ | |
5549 | static void | |
5550 | lpfc_free_els_sgl_list(struct lpfc_hba *phba) | |
5551 | { | |
da0436e9 | 5552 | LIST_HEAD(sglq_list); |
dea3101e | 5553 | |
8a9d2e80 | 5554 | /* Retrieve all els sgls from driver list */ |
da0436e9 JS |
5555 | spin_lock_irq(&phba->hbalock); |
5556 | list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list); | |
5557 | spin_unlock_irq(&phba->hbalock); | |
dea3101e | 5558 | |
8a9d2e80 JS |
5559 | /* Now free the sgl list */ |
5560 | lpfc_free_sgl_list(phba, &sglq_list); | |
da0436e9 | 5561 | } |
92d7f7b0 | 5562 | |
da0436e9 JS |
5563 | /** |
5564 | * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs. | |
5565 | * @phba: pointer to lpfc hba data structure. | |
5566 | * | |
5567 | * This routine is invoked to allocate the driver's active sgl memory. | |
5568 | * This array will hold the sglq_entry's for active IOs. | |
5569 | **/ | |
5570 | static int | |
5571 | lpfc_init_active_sgl_array(struct lpfc_hba *phba) | |
5572 | { | |
5573 | int size; | |
5574 | size = sizeof(struct lpfc_sglq *); | |
5575 | size *= phba->sli4_hba.max_cfg_param.max_xri; | |
5576 | ||
5577 | phba->sli4_hba.lpfc_sglq_active_list = | |
5578 | kzalloc(size, GFP_KERNEL); | |
5579 | if (!phba->sli4_hba.lpfc_sglq_active_list) | |
5580 | return -ENOMEM; | |
5581 | return 0; | |
3772a991 JS |
5582 | } |
5583 | ||
5584 | /** | |
da0436e9 | 5585 | * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs. |
3772a991 JS |
5586 | * @phba: pointer to lpfc hba data structure. |
5587 | * | |
da0436e9 JS |
5588 | * This routine is invoked to walk through the array of active sglq entries |
5589 | * and free all of the resources. | |
5590 | * This is just a place holder for now. | |
3772a991 JS |
5591 | **/ |
5592 | static void | |
da0436e9 | 5593 | lpfc_free_active_sgl(struct lpfc_hba *phba) |
3772a991 | 5594 | { |
da0436e9 | 5595 | kfree(phba->sli4_hba.lpfc_sglq_active_list); |
3772a991 JS |
5596 | } |
5597 | ||
5598 | /** | |
da0436e9 | 5599 | * lpfc_init_sgl_list - Allocate and initialize sgl list. |
3772a991 JS |
5600 | * @phba: pointer to lpfc hba data structure. |
5601 | * | |
da0436e9 JS |
5602 | * This routine is invoked to allocate and initizlize the driver's sgl |
5603 | * list and set up the sgl xritag tag array accordingly. | |
3772a991 | 5604 | * |
3772a991 | 5605 | **/ |
8a9d2e80 | 5606 | static void |
da0436e9 | 5607 | lpfc_init_sgl_list(struct lpfc_hba *phba) |
3772a991 | 5608 | { |
da0436e9 JS |
5609 | /* Initialize and populate the sglq list per host/VF. */ |
5610 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list); | |
5611 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list); | |
5612 | ||
8a9d2e80 JS |
5613 | /* els xri-sgl book keeping */ |
5614 | phba->sli4_hba.els_xri_cnt = 0; | |
0ff10d46 | 5615 | |
8a9d2e80 | 5616 | /* scsi xri-buffer book keeping */ |
da0436e9 | 5617 | phba->sli4_hba.scsi_xri_cnt = 0; |
da0436e9 JS |
5618 | } |
5619 | ||
5620 | /** | |
5621 | * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port | |
5622 | * @phba: pointer to lpfc hba data structure. | |
5623 | * | |
5624 | * This routine is invoked to post rpi header templates to the | |
88a2cfbb | 5625 | * port for those SLI4 ports that do not support extents. This routine |
da0436e9 | 5626 | * posts a PAGE_SIZE memory region to the port to hold up to |
88a2cfbb JS |
5627 | * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine |
5628 | * and should be called only when interrupts are disabled. | |
da0436e9 JS |
5629 | * |
5630 | * Return codes | |
af901ca1 | 5631 | * 0 - successful |
88a2cfbb | 5632 | * -ERROR - otherwise. |
da0436e9 JS |
5633 | **/ |
5634 | int | |
5635 | lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba) | |
5636 | { | |
5637 | int rc = 0; | |
da0436e9 JS |
5638 | struct lpfc_rpi_hdr *rpi_hdr; |
5639 | ||
5640 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list); | |
ff78d8f9 | 5641 | if (!phba->sli4_hba.rpi_hdrs_in_use) |
6d368e53 | 5642 | return rc; |
6d368e53 JS |
5643 | if (phba->sli4_hba.extents_in_use) |
5644 | return -EIO; | |
da0436e9 JS |
5645 | |
5646 | rpi_hdr = lpfc_sli4_create_rpi_hdr(phba); | |
5647 | if (!rpi_hdr) { | |
5648 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
5649 | "0391 Error during rpi post operation\n"); | |
5650 | lpfc_sli4_remove_rpis(phba); | |
5651 | rc = -ENODEV; | |
5652 | } | |
5653 | ||
5654 | return rc; | |
5655 | } | |
5656 | ||
5657 | /** | |
5658 | * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region | |
5659 | * @phba: pointer to lpfc hba data structure. | |
5660 | * | |
5661 | * This routine is invoked to allocate a single 4KB memory region to | |
5662 | * support rpis and stores them in the phba. This single region | |
5663 | * provides support for up to 64 rpis. The region is used globally | |
5664 | * by the device. | |
5665 | * | |
5666 | * Returns: | |
5667 | * A valid rpi hdr on success. | |
5668 | * A NULL pointer on any failure. | |
5669 | **/ | |
5670 | struct lpfc_rpi_hdr * | |
5671 | lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba) | |
5672 | { | |
5673 | uint16_t rpi_limit, curr_rpi_range; | |
5674 | struct lpfc_dmabuf *dmabuf; | |
5675 | struct lpfc_rpi_hdr *rpi_hdr; | |
9589b062 | 5676 | uint32_t rpi_count; |
da0436e9 | 5677 | |
6d368e53 JS |
5678 | /* |
5679 | * If the SLI4 port supports extents, posting the rpi header isn't | |
5680 | * required. Set the expected maximum count and let the actual value | |
5681 | * get set when extents are fully allocated. | |
5682 | */ | |
5683 | if (!phba->sli4_hba.rpi_hdrs_in_use) | |
5684 | return NULL; | |
5685 | if (phba->sli4_hba.extents_in_use) | |
5686 | return NULL; | |
5687 | ||
5688 | /* The limit on the logical index is just the max_rpi count. */ | |
da0436e9 | 5689 | rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base + |
6d368e53 | 5690 | phba->sli4_hba.max_cfg_param.max_rpi - 1; |
da0436e9 JS |
5691 | |
5692 | spin_lock_irq(&phba->hbalock); | |
6d368e53 JS |
5693 | /* |
5694 | * Establish the starting RPI in this header block. The starting | |
5695 | * rpi is normalized to a zero base because the physical rpi is | |
5696 | * port based. | |
5697 | */ | |
97f2ecf1 | 5698 | curr_rpi_range = phba->sli4_hba.next_rpi; |
da0436e9 JS |
5699 | spin_unlock_irq(&phba->hbalock); |
5700 | ||
5701 | /* | |
5702 | * The port has a limited number of rpis. The increment here | |
5703 | * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value | |
5704 | * and to allow the full max_rpi range per port. | |
5705 | */ | |
5706 | if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit) | |
9589b062 JS |
5707 | rpi_count = rpi_limit - curr_rpi_range; |
5708 | else | |
5709 | rpi_count = LPFC_RPI_HDR_COUNT; | |
da0436e9 | 5710 | |
6d368e53 JS |
5711 | if (!rpi_count) |
5712 | return NULL; | |
da0436e9 JS |
5713 | /* |
5714 | * First allocate the protocol header region for the port. The | |
5715 | * port expects a 4KB DMA-mapped memory region that is 4K aligned. | |
5716 | */ | |
5717 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
5718 | if (!dmabuf) | |
5719 | return NULL; | |
5720 | ||
5721 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, | |
5722 | LPFC_HDR_TEMPLATE_SIZE, | |
5723 | &dmabuf->phys, | |
5724 | GFP_KERNEL); | |
5725 | if (!dmabuf->virt) { | |
5726 | rpi_hdr = NULL; | |
5727 | goto err_free_dmabuf; | |
5728 | } | |
5729 | ||
5730 | memset(dmabuf->virt, 0, LPFC_HDR_TEMPLATE_SIZE); | |
5731 | if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) { | |
5732 | rpi_hdr = NULL; | |
5733 | goto err_free_coherent; | |
5734 | } | |
5735 | ||
5736 | /* Save the rpi header data for cleanup later. */ | |
5737 | rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL); | |
5738 | if (!rpi_hdr) | |
5739 | goto err_free_coherent; | |
5740 | ||
5741 | rpi_hdr->dmabuf = dmabuf; | |
5742 | rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE; | |
5743 | rpi_hdr->page_count = 1; | |
5744 | spin_lock_irq(&phba->hbalock); | |
6d368e53 JS |
5745 | |
5746 | /* The rpi_hdr stores the logical index only. */ | |
5747 | rpi_hdr->start_rpi = curr_rpi_range; | |
da0436e9 JS |
5748 | list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list); |
5749 | ||
5750 | /* | |
6d368e53 JS |
5751 | * The next_rpi stores the next logical module-64 rpi value used |
5752 | * to post physical rpis in subsequent rpi postings. | |
da0436e9 | 5753 | */ |
9589b062 | 5754 | phba->sli4_hba.next_rpi += rpi_count; |
da0436e9 JS |
5755 | spin_unlock_irq(&phba->hbalock); |
5756 | return rpi_hdr; | |
5757 | ||
5758 | err_free_coherent: | |
5759 | dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE, | |
5760 | dmabuf->virt, dmabuf->phys); | |
5761 | err_free_dmabuf: | |
5762 | kfree(dmabuf); | |
5763 | return NULL; | |
5764 | } | |
5765 | ||
5766 | /** | |
5767 | * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions | |
5768 | * @phba: pointer to lpfc hba data structure. | |
5769 | * | |
5770 | * This routine is invoked to remove all memory resources allocated | |
6d368e53 JS |
5771 | * to support rpis for SLI4 ports not supporting extents. This routine |
5772 | * presumes the caller has released all rpis consumed by fabric or port | |
5773 | * logins and is prepared to have the header pages removed. | |
da0436e9 JS |
5774 | **/ |
5775 | void | |
5776 | lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba) | |
5777 | { | |
5778 | struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr; | |
5779 | ||
6d368e53 JS |
5780 | if (!phba->sli4_hba.rpi_hdrs_in_use) |
5781 | goto exit; | |
5782 | ||
da0436e9 JS |
5783 | list_for_each_entry_safe(rpi_hdr, next_rpi_hdr, |
5784 | &phba->sli4_hba.lpfc_rpi_hdr_list, list) { | |
5785 | list_del(&rpi_hdr->list); | |
5786 | dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len, | |
5787 | rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys); | |
5788 | kfree(rpi_hdr->dmabuf); | |
5789 | kfree(rpi_hdr); | |
5790 | } | |
6d368e53 JS |
5791 | exit: |
5792 | /* There are no rpis available to the port now. */ | |
5793 | phba->sli4_hba.next_rpi = 0; | |
da0436e9 JS |
5794 | } |
5795 | ||
5796 | /** | |
5797 | * lpfc_hba_alloc - Allocate driver hba data structure for a device. | |
5798 | * @pdev: pointer to pci device data structure. | |
5799 | * | |
5800 | * This routine is invoked to allocate the driver hba data structure for an | |
5801 | * HBA device. If the allocation is successful, the phba reference to the | |
5802 | * PCI device data structure is set. | |
5803 | * | |
5804 | * Return codes | |
af901ca1 | 5805 | * pointer to @phba - successful |
da0436e9 JS |
5806 | * NULL - error |
5807 | **/ | |
5808 | static struct lpfc_hba * | |
5809 | lpfc_hba_alloc(struct pci_dev *pdev) | |
5810 | { | |
5811 | struct lpfc_hba *phba; | |
5812 | ||
5813 | /* Allocate memory for HBA structure */ | |
5814 | phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL); | |
5815 | if (!phba) { | |
e34ccdfe | 5816 | dev_err(&pdev->dev, "failed to allocate hba struct\n"); |
da0436e9 JS |
5817 | return NULL; |
5818 | } | |
5819 | ||
5820 | /* Set reference to PCI device in HBA structure */ | |
5821 | phba->pcidev = pdev; | |
5822 | ||
5823 | /* Assign an unused board number */ | |
5824 | phba->brd_no = lpfc_get_instance(); | |
5825 | if (phba->brd_no < 0) { | |
5826 | kfree(phba); | |
5827 | return NULL; | |
5828 | } | |
5829 | ||
4fede78f | 5830 | spin_lock_init(&phba->ct_ev_lock); |
f1c3b0fc JS |
5831 | INIT_LIST_HEAD(&phba->ct_ev_waiters); |
5832 | ||
da0436e9 JS |
5833 | return phba; |
5834 | } | |
5835 | ||
5836 | /** | |
5837 | * lpfc_hba_free - Free driver hba data structure with a device. | |
5838 | * @phba: pointer to lpfc hba data structure. | |
5839 | * | |
5840 | * This routine is invoked to free the driver hba data structure with an | |
5841 | * HBA device. | |
5842 | **/ | |
5843 | static void | |
5844 | lpfc_hba_free(struct lpfc_hba *phba) | |
5845 | { | |
5846 | /* Release the driver assigned board number */ | |
5847 | idr_remove(&lpfc_hba_index, phba->brd_no); | |
5848 | ||
2a76a283 JS |
5849 | /* Free memory allocated with sli rings */ |
5850 | kfree(phba->sli.ring); | |
5851 | phba->sli.ring = NULL; | |
5852 | ||
da0436e9 JS |
5853 | kfree(phba); |
5854 | return; | |
5855 | } | |
5856 | ||
5857 | /** | |
5858 | * lpfc_create_shost - Create hba physical port with associated scsi host. | |
5859 | * @phba: pointer to lpfc hba data structure. | |
5860 | * | |
5861 | * This routine is invoked to create HBA physical port and associate a SCSI | |
5862 | * host with it. | |
5863 | * | |
5864 | * Return codes | |
af901ca1 | 5865 | * 0 - successful |
da0436e9 JS |
5866 | * other values - error |
5867 | **/ | |
5868 | static int | |
5869 | lpfc_create_shost(struct lpfc_hba *phba) | |
5870 | { | |
5871 | struct lpfc_vport *vport; | |
5872 | struct Scsi_Host *shost; | |
5873 | ||
5874 | /* Initialize HBA FC structure */ | |
5875 | phba->fc_edtov = FF_DEF_EDTOV; | |
5876 | phba->fc_ratov = FF_DEF_RATOV; | |
5877 | phba->fc_altov = FF_DEF_ALTOV; | |
5878 | phba->fc_arbtov = FF_DEF_ARBTOV; | |
5879 | ||
d7c47992 | 5880 | atomic_set(&phba->sdev_cnt, 0); |
da0436e9 JS |
5881 | vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); |
5882 | if (!vport) | |
5883 | return -ENODEV; | |
5884 | ||
5885 | shost = lpfc_shost_from_vport(vport); | |
5886 | phba->pport = vport; | |
5887 | lpfc_debugfs_initialize(vport); | |
5888 | /* Put reference to SCSI host to driver's device private data */ | |
5889 | pci_set_drvdata(phba->pcidev, shost); | |
2e0fef85 | 5890 | |
3772a991 JS |
5891 | return 0; |
5892 | } | |
db2378e0 | 5893 | |
3772a991 JS |
5894 | /** |
5895 | * lpfc_destroy_shost - Destroy hba physical port with associated scsi host. | |
5896 | * @phba: pointer to lpfc hba data structure. | |
5897 | * | |
5898 | * This routine is invoked to destroy HBA physical port and the associated | |
5899 | * SCSI host. | |
5900 | **/ | |
5901 | static void | |
5902 | lpfc_destroy_shost(struct lpfc_hba *phba) | |
5903 | { | |
5904 | struct lpfc_vport *vport = phba->pport; | |
5905 | ||
5906 | /* Destroy physical port that associated with the SCSI host */ | |
5907 | destroy_port(vport); | |
5908 | ||
5909 | return; | |
5910 | } | |
5911 | ||
5912 | /** | |
5913 | * lpfc_setup_bg - Setup Block guard structures and debug areas. | |
5914 | * @phba: pointer to lpfc hba data structure. | |
5915 | * @shost: the shost to be used to detect Block guard settings. | |
5916 | * | |
5917 | * This routine sets up the local Block guard protocol settings for @shost. | |
5918 | * This routine also allocates memory for debugging bg buffers. | |
5919 | **/ | |
5920 | static void | |
5921 | lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost) | |
5922 | { | |
bbeb79b9 JS |
5923 | uint32_t old_mask; |
5924 | uint32_t old_guard; | |
5925 | ||
3772a991 JS |
5926 | int pagecnt = 10; |
5927 | if (lpfc_prot_mask && lpfc_prot_guard) { | |
5928 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5929 | "1478 Registering BlockGuard with the " | |
5930 | "SCSI layer\n"); | |
bbeb79b9 JS |
5931 | |
5932 | old_mask = lpfc_prot_mask; | |
5933 | old_guard = lpfc_prot_guard; | |
5934 | ||
5935 | /* Only allow supported values */ | |
5936 | lpfc_prot_mask &= (SHOST_DIF_TYPE1_PROTECTION | | |
5937 | SHOST_DIX_TYPE0_PROTECTION | | |
5938 | SHOST_DIX_TYPE1_PROTECTION); | |
5939 | lpfc_prot_guard &= (SHOST_DIX_GUARD_IP | SHOST_DIX_GUARD_CRC); | |
5940 | ||
5941 | /* DIF Type 1 protection for profiles AST1/C1 is end to end */ | |
5942 | if (lpfc_prot_mask == SHOST_DIX_TYPE1_PROTECTION) | |
5943 | lpfc_prot_mask |= SHOST_DIF_TYPE1_PROTECTION; | |
5944 | ||
5945 | if (lpfc_prot_mask && lpfc_prot_guard) { | |
5946 | if ((old_mask != lpfc_prot_mask) || | |
5947 | (old_guard != lpfc_prot_guard)) | |
5948 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5949 | "1475 Registering BlockGuard with the " | |
5950 | "SCSI layer: mask %d guard %d\n", | |
5951 | lpfc_prot_mask, lpfc_prot_guard); | |
5952 | ||
5953 | scsi_host_set_prot(shost, lpfc_prot_mask); | |
5954 | scsi_host_set_guard(shost, lpfc_prot_guard); | |
5955 | } else | |
5956 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5957 | "1479 Not Registering BlockGuard with the SCSI " | |
5958 | "layer, Bad protection parameters: %d %d\n", | |
5959 | old_mask, old_guard); | |
3772a991 | 5960 | } |
bbeb79b9 | 5961 | |
3772a991 JS |
5962 | if (!_dump_buf_data) { |
5963 | while (pagecnt) { | |
5964 | spin_lock_init(&_dump_buf_lock); | |
5965 | _dump_buf_data = | |
5966 | (char *) __get_free_pages(GFP_KERNEL, pagecnt); | |
5967 | if (_dump_buf_data) { | |
6a9c52cf JS |
5968 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5969 | "9043 BLKGRD: allocated %d pages for " | |
3772a991 JS |
5970 | "_dump_buf_data at 0x%p\n", |
5971 | (1 << pagecnt), _dump_buf_data); | |
5972 | _dump_buf_data_order = pagecnt; | |
5973 | memset(_dump_buf_data, 0, | |
5974 | ((1 << PAGE_SHIFT) << pagecnt)); | |
5975 | break; | |
5976 | } else | |
5977 | --pagecnt; | |
5978 | } | |
5979 | if (!_dump_buf_data_order) | |
6a9c52cf JS |
5980 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5981 | "9044 BLKGRD: ERROR unable to allocate " | |
3772a991 JS |
5982 | "memory for hexdump\n"); |
5983 | } else | |
6a9c52cf JS |
5984 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5985 | "9045 BLKGRD: already allocated _dump_buf_data=0x%p" | |
3772a991 JS |
5986 | "\n", _dump_buf_data); |
5987 | if (!_dump_buf_dif) { | |
5988 | while (pagecnt) { | |
5989 | _dump_buf_dif = | |
5990 | (char *) __get_free_pages(GFP_KERNEL, pagecnt); | |
5991 | if (_dump_buf_dif) { | |
6a9c52cf JS |
5992 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5993 | "9046 BLKGRD: allocated %d pages for " | |
3772a991 JS |
5994 | "_dump_buf_dif at 0x%p\n", |
5995 | (1 << pagecnt), _dump_buf_dif); | |
5996 | _dump_buf_dif_order = pagecnt; | |
5997 | memset(_dump_buf_dif, 0, | |
5998 | ((1 << PAGE_SHIFT) << pagecnt)); | |
5999 | break; | |
6000 | } else | |
6001 | --pagecnt; | |
6002 | } | |
6003 | if (!_dump_buf_dif_order) | |
6a9c52cf JS |
6004 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
6005 | "9047 BLKGRD: ERROR unable to allocate " | |
3772a991 JS |
6006 | "memory for hexdump\n"); |
6007 | } else | |
6a9c52cf JS |
6008 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
6009 | "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n", | |
3772a991 JS |
6010 | _dump_buf_dif); |
6011 | } | |
6012 | ||
6013 | /** | |
6014 | * lpfc_post_init_setup - Perform necessary device post initialization setup. | |
6015 | * @phba: pointer to lpfc hba data structure. | |
6016 | * | |
6017 | * This routine is invoked to perform all the necessary post initialization | |
6018 | * setup for the device. | |
6019 | **/ | |
6020 | static void | |
6021 | lpfc_post_init_setup(struct lpfc_hba *phba) | |
6022 | { | |
6023 | struct Scsi_Host *shost; | |
6024 | struct lpfc_adapter_event_header adapter_event; | |
6025 | ||
6026 | /* Get the default values for Model Name and Description */ | |
6027 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
6028 | ||
6029 | /* | |
6030 | * hba setup may have changed the hba_queue_depth so we need to | |
6031 | * adjust the value of can_queue. | |
6032 | */ | |
6033 | shost = pci_get_drvdata(phba->pcidev); | |
6034 | shost->can_queue = phba->cfg_hba_queue_depth - 10; | |
6035 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) | |
6036 | lpfc_setup_bg(phba, shost); | |
6037 | ||
6038 | lpfc_host_attrib_init(shost); | |
6039 | ||
6040 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { | |
6041 | spin_lock_irq(shost->host_lock); | |
6042 | lpfc_poll_start_timer(phba); | |
6043 | spin_unlock_irq(shost->host_lock); | |
6044 | } | |
6045 | ||
6046 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6047 | "0428 Perform SCSI scan\n"); | |
6048 | /* Send board arrival event to upper layer */ | |
6049 | adapter_event.event_type = FC_REG_ADAPTER_EVENT; | |
6050 | adapter_event.subcategory = LPFC_EVENT_ARRIVAL; | |
6051 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
6052 | sizeof(adapter_event), | |
6053 | (char *) &adapter_event, | |
6054 | LPFC_NL_VENDOR_ID); | |
6055 | return; | |
6056 | } | |
6057 | ||
6058 | /** | |
6059 | * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space. | |
6060 | * @phba: pointer to lpfc hba data structure. | |
6061 | * | |
6062 | * This routine is invoked to set up the PCI device memory space for device | |
6063 | * with SLI-3 interface spec. | |
6064 | * | |
6065 | * Return codes | |
af901ca1 | 6066 | * 0 - successful |
3772a991 JS |
6067 | * other values - error |
6068 | **/ | |
6069 | static int | |
6070 | lpfc_sli_pci_mem_setup(struct lpfc_hba *phba) | |
6071 | { | |
6072 | struct pci_dev *pdev; | |
6073 | unsigned long bar0map_len, bar2map_len; | |
6074 | int i, hbq_count; | |
6075 | void *ptr; | |
6076 | int error = -ENODEV; | |
6077 | ||
6078 | /* Obtain PCI device reference */ | |
6079 | if (!phba->pcidev) | |
6080 | return error; | |
6081 | else | |
6082 | pdev = phba->pcidev; | |
6083 | ||
6084 | /* Set the device DMA mask size */ | |
8e68597d MR |
6085 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0 |
6086 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) { | |
6087 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0 | |
6088 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) { | |
3772a991 | 6089 | return error; |
8e68597d MR |
6090 | } |
6091 | } | |
3772a991 JS |
6092 | |
6093 | /* Get the bus address of Bar0 and Bar2 and the number of bytes | |
6094 | * required by each mapping. | |
6095 | */ | |
6096 | phba->pci_bar0_map = pci_resource_start(pdev, 0); | |
6097 | bar0map_len = pci_resource_len(pdev, 0); | |
6098 | ||
6099 | phba->pci_bar2_map = pci_resource_start(pdev, 2); | |
6100 | bar2map_len = pci_resource_len(pdev, 2); | |
6101 | ||
6102 | /* Map HBA SLIM to a kernel virtual address. */ | |
6103 | phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); | |
6104 | if (!phba->slim_memmap_p) { | |
6105 | dev_printk(KERN_ERR, &pdev->dev, | |
6106 | "ioremap failed for SLIM memory.\n"); | |
6107 | goto out; | |
6108 | } | |
6109 | ||
6110 | /* Map HBA Control Registers to a kernel virtual address. */ | |
6111 | phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); | |
6112 | if (!phba->ctrl_regs_memmap_p) { | |
6113 | dev_printk(KERN_ERR, &pdev->dev, | |
6114 | "ioremap failed for HBA control registers.\n"); | |
6115 | goto out_iounmap_slim; | |
6116 | } | |
6117 | ||
6118 | /* Allocate memory for SLI-2 structures */ | |
6119 | phba->slim2p.virt = dma_alloc_coherent(&pdev->dev, | |
6120 | SLI2_SLIM_SIZE, | |
6121 | &phba->slim2p.phys, | |
6122 | GFP_KERNEL); | |
6123 | if (!phba->slim2p.virt) | |
6124 | goto out_iounmap; | |
6125 | ||
6126 | memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE); | |
6127 | phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx); | |
7a470277 JS |
6128 | phba->mbox_ext = (phba->slim2p.virt + |
6129 | offsetof(struct lpfc_sli2_slim, mbx_ext_words)); | |
3772a991 JS |
6130 | phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb)); |
6131 | phba->IOCBs = (phba->slim2p.virt + | |
6132 | offsetof(struct lpfc_sli2_slim, IOCBs)); | |
6133 | ||
6134 | phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev, | |
6135 | lpfc_sli_hbq_size(), | |
6136 | &phba->hbqslimp.phys, | |
6137 | GFP_KERNEL); | |
6138 | if (!phba->hbqslimp.virt) | |
6139 | goto out_free_slim; | |
6140 | ||
6141 | hbq_count = lpfc_sli_hbq_count(); | |
6142 | ptr = phba->hbqslimp.virt; | |
6143 | for (i = 0; i < hbq_count; ++i) { | |
6144 | phba->hbqs[i].hbq_virt = ptr; | |
6145 | INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); | |
6146 | ptr += (lpfc_hbq_defs[i]->entry_count * | |
6147 | sizeof(struct lpfc_hbq_entry)); | |
6148 | } | |
6149 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc; | |
6150 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free; | |
6151 | ||
6152 | memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); | |
6153 | ||
6154 | INIT_LIST_HEAD(&phba->rb_pend_list); | |
6155 | ||
6156 | phba->MBslimaddr = phba->slim_memmap_p; | |
6157 | phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; | |
6158 | phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; | |
6159 | phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; | |
6160 | phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; | |
6161 | ||
6162 | return 0; | |
6163 | ||
6164 | out_free_slim: | |
6165 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
6166 | phba->slim2p.virt, phba->slim2p.phys); | |
6167 | out_iounmap: | |
6168 | iounmap(phba->ctrl_regs_memmap_p); | |
6169 | out_iounmap_slim: | |
6170 | iounmap(phba->slim_memmap_p); | |
6171 | out: | |
6172 | return error; | |
6173 | } | |
6174 | ||
6175 | /** | |
6176 | * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space. | |
6177 | * @phba: pointer to lpfc hba data structure. | |
6178 | * | |
6179 | * This routine is invoked to unset the PCI device memory space for device | |
6180 | * with SLI-3 interface spec. | |
6181 | **/ | |
6182 | static void | |
6183 | lpfc_sli_pci_mem_unset(struct lpfc_hba *phba) | |
6184 | { | |
6185 | struct pci_dev *pdev; | |
6186 | ||
6187 | /* Obtain PCI device reference */ | |
6188 | if (!phba->pcidev) | |
6189 | return; | |
6190 | else | |
6191 | pdev = phba->pcidev; | |
6192 | ||
6193 | /* Free coherent DMA memory allocated */ | |
6194 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), | |
6195 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
6196 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
6197 | phba->slim2p.virt, phba->slim2p.phys); | |
6198 | ||
6199 | /* I/O memory unmap */ | |
6200 | iounmap(phba->ctrl_regs_memmap_p); | |
6201 | iounmap(phba->slim_memmap_p); | |
6202 | ||
6203 | return; | |
6204 | } | |
6205 | ||
6206 | /** | |
da0436e9 | 6207 | * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status |
3772a991 JS |
6208 | * @phba: pointer to lpfc hba data structure. |
6209 | * | |
da0436e9 JS |
6210 | * This routine is invoked to wait for SLI4 device Power On Self Test (POST) |
6211 | * done and check status. | |
3772a991 | 6212 | * |
da0436e9 | 6213 | * Return 0 if successful, otherwise -ENODEV. |
3772a991 | 6214 | **/ |
da0436e9 JS |
6215 | int |
6216 | lpfc_sli4_post_status_check(struct lpfc_hba *phba) | |
3772a991 | 6217 | { |
2fcee4bf JS |
6218 | struct lpfc_register portsmphr_reg, uerrlo_reg, uerrhi_reg; |
6219 | struct lpfc_register reg_data; | |
6220 | int i, port_error = 0; | |
6221 | uint32_t if_type; | |
3772a991 | 6222 | |
9940b97b JS |
6223 | memset(&portsmphr_reg, 0, sizeof(portsmphr_reg)); |
6224 | memset(®_data, 0, sizeof(reg_data)); | |
2fcee4bf | 6225 | if (!phba->sli4_hba.PSMPHRregaddr) |
da0436e9 | 6226 | return -ENODEV; |
3772a991 | 6227 | |
da0436e9 JS |
6228 | /* Wait up to 30 seconds for the SLI Port POST done and ready */ |
6229 | for (i = 0; i < 3000; i++) { | |
9940b97b JS |
6230 | if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr, |
6231 | &portsmphr_reg.word0) || | |
6232 | (bf_get(lpfc_port_smphr_perr, &portsmphr_reg))) { | |
2fcee4bf | 6233 | /* Port has a fatal POST error, break out */ |
da0436e9 JS |
6234 | port_error = -ENODEV; |
6235 | break; | |
6236 | } | |
2fcee4bf JS |
6237 | if (LPFC_POST_STAGE_PORT_READY == |
6238 | bf_get(lpfc_port_smphr_port_status, &portsmphr_reg)) | |
da0436e9 | 6239 | break; |
da0436e9 | 6240 | msleep(10); |
3772a991 JS |
6241 | } |
6242 | ||
2fcee4bf JS |
6243 | /* |
6244 | * If there was a port error during POST, then don't proceed with | |
6245 | * other register reads as the data may not be valid. Just exit. | |
6246 | */ | |
6247 | if (port_error) { | |
da0436e9 | 6248 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
2fcee4bf JS |
6249 | "1408 Port Failed POST - portsmphr=0x%x, " |
6250 | "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, " | |
6251 | "scr2=x%x, hscratch=x%x, pstatus=x%x\n", | |
6252 | portsmphr_reg.word0, | |
6253 | bf_get(lpfc_port_smphr_perr, &portsmphr_reg), | |
6254 | bf_get(lpfc_port_smphr_sfi, &portsmphr_reg), | |
6255 | bf_get(lpfc_port_smphr_nip, &portsmphr_reg), | |
6256 | bf_get(lpfc_port_smphr_ipc, &portsmphr_reg), | |
6257 | bf_get(lpfc_port_smphr_scr1, &portsmphr_reg), | |
6258 | bf_get(lpfc_port_smphr_scr2, &portsmphr_reg), | |
6259 | bf_get(lpfc_port_smphr_host_scratch, &portsmphr_reg), | |
6260 | bf_get(lpfc_port_smphr_port_status, &portsmphr_reg)); | |
6261 | } else { | |
28baac74 | 6262 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
2fcee4bf JS |
6263 | "2534 Device Info: SLIFamily=0x%x, " |
6264 | "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, " | |
6265 | "SLIHint_2=0x%x, FT=0x%x\n", | |
28baac74 JS |
6266 | bf_get(lpfc_sli_intf_sli_family, |
6267 | &phba->sli4_hba.sli_intf), | |
6268 | bf_get(lpfc_sli_intf_slirev, | |
6269 | &phba->sli4_hba.sli_intf), | |
085c647c JS |
6270 | bf_get(lpfc_sli_intf_if_type, |
6271 | &phba->sli4_hba.sli_intf), | |
6272 | bf_get(lpfc_sli_intf_sli_hint1, | |
28baac74 | 6273 | &phba->sli4_hba.sli_intf), |
085c647c JS |
6274 | bf_get(lpfc_sli_intf_sli_hint2, |
6275 | &phba->sli4_hba.sli_intf), | |
6276 | bf_get(lpfc_sli_intf_func_type, | |
28baac74 | 6277 | &phba->sli4_hba.sli_intf)); |
2fcee4bf JS |
6278 | /* |
6279 | * Check for other Port errors during the initialization | |
6280 | * process. Fail the load if the port did not come up | |
6281 | * correctly. | |
6282 | */ | |
6283 | if_type = bf_get(lpfc_sli_intf_if_type, | |
6284 | &phba->sli4_hba.sli_intf); | |
6285 | switch (if_type) { | |
6286 | case LPFC_SLI_INTF_IF_TYPE_0: | |
6287 | phba->sli4_hba.ue_mask_lo = | |
6288 | readl(phba->sli4_hba.u.if_type0.UEMASKLOregaddr); | |
6289 | phba->sli4_hba.ue_mask_hi = | |
6290 | readl(phba->sli4_hba.u.if_type0.UEMASKHIregaddr); | |
6291 | uerrlo_reg.word0 = | |
6292 | readl(phba->sli4_hba.u.if_type0.UERRLOregaddr); | |
6293 | uerrhi_reg.word0 = | |
6294 | readl(phba->sli4_hba.u.if_type0.UERRHIregaddr); | |
6295 | if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) || | |
6296 | (~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) { | |
6297 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6298 | "1422 Unrecoverable Error " | |
6299 | "Detected during POST " | |
6300 | "uerr_lo_reg=0x%x, " | |
6301 | "uerr_hi_reg=0x%x, " | |
6302 | "ue_mask_lo_reg=0x%x, " | |
6303 | "ue_mask_hi_reg=0x%x\n", | |
6304 | uerrlo_reg.word0, | |
6305 | uerrhi_reg.word0, | |
6306 | phba->sli4_hba.ue_mask_lo, | |
6307 | phba->sli4_hba.ue_mask_hi); | |
6308 | port_error = -ENODEV; | |
6309 | } | |
6310 | break; | |
6311 | case LPFC_SLI_INTF_IF_TYPE_2: | |
6312 | /* Final checks. The port status should be clean. */ | |
9940b97b JS |
6313 | if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, |
6314 | ®_data.word0) || | |
0558056c JS |
6315 | (bf_get(lpfc_sliport_status_err, ®_data) && |
6316 | !bf_get(lpfc_sliport_status_rn, ®_data))) { | |
2fcee4bf JS |
6317 | phba->work_status[0] = |
6318 | readl(phba->sli4_hba.u.if_type2. | |
6319 | ERR1regaddr); | |
6320 | phba->work_status[1] = | |
6321 | readl(phba->sli4_hba.u.if_type2. | |
6322 | ERR2regaddr); | |
6323 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8fcb8acd JS |
6324 | "2888 Unrecoverable port error " |
6325 | "following POST: port status reg " | |
6326 | "0x%x, port_smphr reg 0x%x, " | |
2fcee4bf JS |
6327 | "error 1=0x%x, error 2=0x%x\n", |
6328 | reg_data.word0, | |
6329 | portsmphr_reg.word0, | |
6330 | phba->work_status[0], | |
6331 | phba->work_status[1]); | |
6332 | port_error = -ENODEV; | |
6333 | } | |
6334 | break; | |
6335 | case LPFC_SLI_INTF_IF_TYPE_1: | |
6336 | default: | |
6337 | break; | |
6338 | } | |
28baac74 | 6339 | } |
da0436e9 JS |
6340 | return port_error; |
6341 | } | |
3772a991 | 6342 | |
da0436e9 JS |
6343 | /** |
6344 | * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map. | |
6345 | * @phba: pointer to lpfc hba data structure. | |
2fcee4bf | 6346 | * @if_type: The SLI4 interface type getting configured. |
da0436e9 JS |
6347 | * |
6348 | * This routine is invoked to set up SLI4 BAR0 PCI config space register | |
6349 | * memory map. | |
6350 | **/ | |
6351 | static void | |
2fcee4bf JS |
6352 | lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type) |
6353 | { | |
6354 | switch (if_type) { | |
6355 | case LPFC_SLI_INTF_IF_TYPE_0: | |
6356 | phba->sli4_hba.u.if_type0.UERRLOregaddr = | |
6357 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_LO; | |
6358 | phba->sli4_hba.u.if_type0.UERRHIregaddr = | |
6359 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_HI; | |
6360 | phba->sli4_hba.u.if_type0.UEMASKLOregaddr = | |
6361 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_LO; | |
6362 | phba->sli4_hba.u.if_type0.UEMASKHIregaddr = | |
6363 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_HI; | |
6364 | phba->sli4_hba.SLIINTFregaddr = | |
6365 | phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF; | |
6366 | break; | |
6367 | case LPFC_SLI_INTF_IF_TYPE_2: | |
6368 | phba->sli4_hba.u.if_type2.ERR1regaddr = | |
88a2cfbb JS |
6369 | phba->sli4_hba.conf_regs_memmap_p + |
6370 | LPFC_CTL_PORT_ER1_OFFSET; | |
2fcee4bf | 6371 | phba->sli4_hba.u.if_type2.ERR2regaddr = |
88a2cfbb JS |
6372 | phba->sli4_hba.conf_regs_memmap_p + |
6373 | LPFC_CTL_PORT_ER2_OFFSET; | |
2fcee4bf | 6374 | phba->sli4_hba.u.if_type2.CTRLregaddr = |
88a2cfbb JS |
6375 | phba->sli4_hba.conf_regs_memmap_p + |
6376 | LPFC_CTL_PORT_CTL_OFFSET; | |
2fcee4bf | 6377 | phba->sli4_hba.u.if_type2.STATUSregaddr = |
88a2cfbb JS |
6378 | phba->sli4_hba.conf_regs_memmap_p + |
6379 | LPFC_CTL_PORT_STA_OFFSET; | |
2fcee4bf JS |
6380 | phba->sli4_hba.SLIINTFregaddr = |
6381 | phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF; | |
6382 | phba->sli4_hba.PSMPHRregaddr = | |
88a2cfbb JS |
6383 | phba->sli4_hba.conf_regs_memmap_p + |
6384 | LPFC_CTL_PORT_SEM_OFFSET; | |
2fcee4bf | 6385 | phba->sli4_hba.RQDBregaddr = |
962bc51b JS |
6386 | phba->sli4_hba.conf_regs_memmap_p + |
6387 | LPFC_ULP0_RQ_DOORBELL; | |
2fcee4bf | 6388 | phba->sli4_hba.WQDBregaddr = |
962bc51b JS |
6389 | phba->sli4_hba.conf_regs_memmap_p + |
6390 | LPFC_ULP0_WQ_DOORBELL; | |
2fcee4bf JS |
6391 | phba->sli4_hba.EQCQDBregaddr = |
6392 | phba->sli4_hba.conf_regs_memmap_p + LPFC_EQCQ_DOORBELL; | |
6393 | phba->sli4_hba.MQDBregaddr = | |
6394 | phba->sli4_hba.conf_regs_memmap_p + LPFC_MQ_DOORBELL; | |
6395 | phba->sli4_hba.BMBXregaddr = | |
6396 | phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX; | |
6397 | break; | |
6398 | case LPFC_SLI_INTF_IF_TYPE_1: | |
6399 | default: | |
6400 | dev_printk(KERN_ERR, &phba->pcidev->dev, | |
6401 | "FATAL - unsupported SLI4 interface type - %d\n", | |
6402 | if_type); | |
6403 | break; | |
6404 | } | |
da0436e9 | 6405 | } |
3772a991 | 6406 | |
da0436e9 JS |
6407 | /** |
6408 | * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map. | |
6409 | * @phba: pointer to lpfc hba data structure. | |
6410 | * | |
6411 | * This routine is invoked to set up SLI4 BAR1 control status register (CSR) | |
6412 | * memory map. | |
6413 | **/ | |
6414 | static void | |
6415 | lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba) | |
6416 | { | |
2fcee4bf JS |
6417 | phba->sli4_hba.PSMPHRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
6418 | LPFC_SLIPORT_IF0_SMPHR; | |
da0436e9 | 6419 | phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
2fcee4bf | 6420 | LPFC_HST_ISR0; |
da0436e9 | 6421 | phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
2fcee4bf | 6422 | LPFC_HST_IMR0; |
da0436e9 | 6423 | phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
2fcee4bf | 6424 | LPFC_HST_ISCR0; |
3772a991 JS |
6425 | } |
6426 | ||
6427 | /** | |
da0436e9 | 6428 | * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map. |
3772a991 | 6429 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 6430 | * @vf: virtual function number |
3772a991 | 6431 | * |
da0436e9 JS |
6432 | * This routine is invoked to set up SLI4 BAR2 doorbell register memory map |
6433 | * based on the given viftual function number, @vf. | |
6434 | * | |
6435 | * Return 0 if successful, otherwise -ENODEV. | |
3772a991 | 6436 | **/ |
da0436e9 JS |
6437 | static int |
6438 | lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf) | |
3772a991 | 6439 | { |
da0436e9 JS |
6440 | if (vf > LPFC_VIR_FUNC_MAX) |
6441 | return -ENODEV; | |
3772a991 | 6442 | |
da0436e9 | 6443 | phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + |
962bc51b JS |
6444 | vf * LPFC_VFR_PAGE_SIZE + |
6445 | LPFC_ULP0_RQ_DOORBELL); | |
da0436e9 | 6446 | phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + |
962bc51b JS |
6447 | vf * LPFC_VFR_PAGE_SIZE + |
6448 | LPFC_ULP0_WQ_DOORBELL); | |
da0436e9 JS |
6449 | phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + |
6450 | vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL); | |
6451 | phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
6452 | vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL); | |
6453 | phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
6454 | vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX); | |
6455 | return 0; | |
3772a991 JS |
6456 | } |
6457 | ||
6458 | /** | |
da0436e9 | 6459 | * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox |
3772a991 JS |
6460 | * @phba: pointer to lpfc hba data structure. |
6461 | * | |
da0436e9 JS |
6462 | * This routine is invoked to create the bootstrap mailbox |
6463 | * region consistent with the SLI-4 interface spec. This | |
6464 | * routine allocates all memory necessary to communicate | |
6465 | * mailbox commands to the port and sets up all alignment | |
6466 | * needs. No locks are expected to be held when calling | |
6467 | * this routine. | |
3772a991 JS |
6468 | * |
6469 | * Return codes | |
af901ca1 | 6470 | * 0 - successful |
d439d286 | 6471 | * -ENOMEM - could not allocated memory. |
da0436e9 | 6472 | **/ |
3772a991 | 6473 | static int |
da0436e9 | 6474 | lpfc_create_bootstrap_mbox(struct lpfc_hba *phba) |
3772a991 | 6475 | { |
da0436e9 JS |
6476 | uint32_t bmbx_size; |
6477 | struct lpfc_dmabuf *dmabuf; | |
6478 | struct dma_address *dma_address; | |
6479 | uint32_t pa_addr; | |
6480 | uint64_t phys_addr; | |
6481 | ||
6482 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
6483 | if (!dmabuf) | |
6484 | return -ENOMEM; | |
3772a991 | 6485 | |
da0436e9 JS |
6486 | /* |
6487 | * The bootstrap mailbox region is comprised of 2 parts | |
6488 | * plus an alignment restriction of 16 bytes. | |
6489 | */ | |
6490 | bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1); | |
6491 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, | |
6492 | bmbx_size, | |
6493 | &dmabuf->phys, | |
6494 | GFP_KERNEL); | |
6495 | if (!dmabuf->virt) { | |
6496 | kfree(dmabuf); | |
6497 | return -ENOMEM; | |
3772a991 | 6498 | } |
da0436e9 | 6499 | memset(dmabuf->virt, 0, bmbx_size); |
3772a991 | 6500 | |
da0436e9 JS |
6501 | /* |
6502 | * Initialize the bootstrap mailbox pointers now so that the register | |
6503 | * operations are simple later. The mailbox dma address is required | |
6504 | * to be 16-byte aligned. Also align the virtual memory as each | |
6505 | * maibox is copied into the bmbx mailbox region before issuing the | |
6506 | * command to the port. | |
6507 | */ | |
6508 | phba->sli4_hba.bmbx.dmabuf = dmabuf; | |
6509 | phba->sli4_hba.bmbx.bmbx_size = bmbx_size; | |
6510 | ||
6511 | phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt, | |
6512 | LPFC_ALIGN_16_BYTE); | |
6513 | phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys, | |
6514 | LPFC_ALIGN_16_BYTE); | |
6515 | ||
6516 | /* | |
6517 | * Set the high and low physical addresses now. The SLI4 alignment | |
6518 | * requirement is 16 bytes and the mailbox is posted to the port | |
6519 | * as two 30-bit addresses. The other data is a bit marking whether | |
6520 | * the 30-bit address is the high or low address. | |
6521 | * Upcast bmbx aphys to 64bits so shift instruction compiles | |
6522 | * clean on 32 bit machines. | |
6523 | */ | |
6524 | dma_address = &phba->sli4_hba.bmbx.dma_address; | |
6525 | phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys; | |
6526 | pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff); | |
6527 | dma_address->addr_hi = (uint32_t) ((pa_addr << 2) | | |
6528 | LPFC_BMBX_BIT1_ADDR_HI); | |
6529 | ||
6530 | pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff); | |
6531 | dma_address->addr_lo = (uint32_t) ((pa_addr << 2) | | |
6532 | LPFC_BMBX_BIT1_ADDR_LO); | |
6533 | return 0; | |
3772a991 JS |
6534 | } |
6535 | ||
6536 | /** | |
da0436e9 | 6537 | * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources |
3772a991 JS |
6538 | * @phba: pointer to lpfc hba data structure. |
6539 | * | |
da0436e9 JS |
6540 | * This routine is invoked to teardown the bootstrap mailbox |
6541 | * region and release all host resources. This routine requires | |
6542 | * the caller to ensure all mailbox commands recovered, no | |
6543 | * additional mailbox comands are sent, and interrupts are disabled | |
6544 | * before calling this routine. | |
6545 | * | |
6546 | **/ | |
3772a991 | 6547 | static void |
da0436e9 | 6548 | lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba) |
3772a991 | 6549 | { |
da0436e9 JS |
6550 | dma_free_coherent(&phba->pcidev->dev, |
6551 | phba->sli4_hba.bmbx.bmbx_size, | |
6552 | phba->sli4_hba.bmbx.dmabuf->virt, | |
6553 | phba->sli4_hba.bmbx.dmabuf->phys); | |
6554 | ||
6555 | kfree(phba->sli4_hba.bmbx.dmabuf); | |
6556 | memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx)); | |
3772a991 JS |
6557 | } |
6558 | ||
6559 | /** | |
da0436e9 | 6560 | * lpfc_sli4_read_config - Get the config parameters. |
3772a991 JS |
6561 | * @phba: pointer to lpfc hba data structure. |
6562 | * | |
da0436e9 JS |
6563 | * This routine is invoked to read the configuration parameters from the HBA. |
6564 | * The configuration parameters are used to set the base and maximum values | |
6565 | * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource | |
6566 | * allocation for the port. | |
3772a991 JS |
6567 | * |
6568 | * Return codes | |
af901ca1 | 6569 | * 0 - successful |
25985edc | 6570 | * -ENOMEM - No available memory |
d439d286 | 6571 | * -EIO - The mailbox failed to complete successfully. |
3772a991 | 6572 | **/ |
ff78d8f9 | 6573 | int |
da0436e9 | 6574 | lpfc_sli4_read_config(struct lpfc_hba *phba) |
3772a991 | 6575 | { |
da0436e9 JS |
6576 | LPFC_MBOXQ_t *pmb; |
6577 | struct lpfc_mbx_read_config *rd_config; | |
912e3acd JS |
6578 | union lpfc_sli4_cfg_shdr *shdr; |
6579 | uint32_t shdr_status, shdr_add_status; | |
6580 | struct lpfc_mbx_get_func_cfg *get_func_cfg; | |
6581 | struct lpfc_rsrc_desc_fcfcoe *desc; | |
8aa134a8 | 6582 | char *pdesc_0; |
912e3acd | 6583 | uint32_t desc_count; |
8aa134a8 | 6584 | int length, i, rc = 0, rc2; |
3772a991 | 6585 | |
da0436e9 JS |
6586 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
6587 | if (!pmb) { | |
6588 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6589 | "2011 Unable to allocate memory for issuing " | |
6590 | "SLI_CONFIG_SPECIAL mailbox command\n"); | |
6591 | return -ENOMEM; | |
3772a991 JS |
6592 | } |
6593 | ||
da0436e9 | 6594 | lpfc_read_config(phba, pmb); |
3772a991 | 6595 | |
da0436e9 JS |
6596 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
6597 | if (rc != MBX_SUCCESS) { | |
6598 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6599 | "2012 Mailbox failed , mbxCmd x%x " | |
6600 | "READ_CONFIG, mbxStatus x%x\n", | |
6601 | bf_get(lpfc_mqe_command, &pmb->u.mqe), | |
6602 | bf_get(lpfc_mqe_status, &pmb->u.mqe)); | |
6603 | rc = -EIO; | |
6604 | } else { | |
6605 | rd_config = &pmb->u.mqe.un.rd_config; | |
ff78d8f9 JS |
6606 | if (bf_get(lpfc_mbx_rd_conf_lnk_ldv, rd_config)) { |
6607 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL; | |
6608 | phba->sli4_hba.lnk_info.lnk_tp = | |
6609 | bf_get(lpfc_mbx_rd_conf_lnk_type, rd_config); | |
6610 | phba->sli4_hba.lnk_info.lnk_no = | |
6611 | bf_get(lpfc_mbx_rd_conf_lnk_numb, rd_config); | |
6612 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
6613 | "3081 lnk_type:%d, lnk_numb:%d\n", | |
6614 | phba->sli4_hba.lnk_info.lnk_tp, | |
6615 | phba->sli4_hba.lnk_info.lnk_no); | |
6616 | } else | |
6617 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
6618 | "3082 Mailbox (x%x) returned ldv:x0\n", | |
6619 | bf_get(lpfc_mqe_command, &pmb->u.mqe)); | |
6d368e53 JS |
6620 | phba->sli4_hba.extents_in_use = |
6621 | bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config); | |
da0436e9 JS |
6622 | phba->sli4_hba.max_cfg_param.max_xri = |
6623 | bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); | |
6624 | phba->sli4_hba.max_cfg_param.xri_base = | |
6625 | bf_get(lpfc_mbx_rd_conf_xri_base, rd_config); | |
6626 | phba->sli4_hba.max_cfg_param.max_vpi = | |
6627 | bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config); | |
6628 | phba->sli4_hba.max_cfg_param.vpi_base = | |
6629 | bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config); | |
6630 | phba->sli4_hba.max_cfg_param.max_rpi = | |
6631 | bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config); | |
6632 | phba->sli4_hba.max_cfg_param.rpi_base = | |
6633 | bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config); | |
6634 | phba->sli4_hba.max_cfg_param.max_vfi = | |
6635 | bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config); | |
6636 | phba->sli4_hba.max_cfg_param.vfi_base = | |
6637 | bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config); | |
6638 | phba->sli4_hba.max_cfg_param.max_fcfi = | |
6639 | bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config); | |
da0436e9 JS |
6640 | phba->sli4_hba.max_cfg_param.max_eq = |
6641 | bf_get(lpfc_mbx_rd_conf_eq_count, rd_config); | |
6642 | phba->sli4_hba.max_cfg_param.max_rq = | |
6643 | bf_get(lpfc_mbx_rd_conf_rq_count, rd_config); | |
6644 | phba->sli4_hba.max_cfg_param.max_wq = | |
6645 | bf_get(lpfc_mbx_rd_conf_wq_count, rd_config); | |
6646 | phba->sli4_hba.max_cfg_param.max_cq = | |
6647 | bf_get(lpfc_mbx_rd_conf_cq_count, rd_config); | |
6648 | phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config); | |
6649 | phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base; | |
6650 | phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base; | |
6651 | phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base; | |
5ffc266e JS |
6652 | phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ? |
6653 | (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0; | |
da0436e9 JS |
6654 | phba->max_vports = phba->max_vpi; |
6655 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
6d368e53 JS |
6656 | "2003 cfg params Extents? %d " |
6657 | "XRI(B:%d M:%d), " | |
da0436e9 JS |
6658 | "VPI(B:%d M:%d) " |
6659 | "VFI(B:%d M:%d) " | |
6660 | "RPI(B:%d M:%d) " | |
6d368e53 JS |
6661 | "FCFI(Count:%d)\n", |
6662 | phba->sli4_hba.extents_in_use, | |
da0436e9 JS |
6663 | phba->sli4_hba.max_cfg_param.xri_base, |
6664 | phba->sli4_hba.max_cfg_param.max_xri, | |
6665 | phba->sli4_hba.max_cfg_param.vpi_base, | |
6666 | phba->sli4_hba.max_cfg_param.max_vpi, | |
6667 | phba->sli4_hba.max_cfg_param.vfi_base, | |
6668 | phba->sli4_hba.max_cfg_param.max_vfi, | |
6669 | phba->sli4_hba.max_cfg_param.rpi_base, | |
6670 | phba->sli4_hba.max_cfg_param.max_rpi, | |
da0436e9 | 6671 | phba->sli4_hba.max_cfg_param.max_fcfi); |
3772a991 | 6672 | } |
912e3acd JS |
6673 | |
6674 | if (rc) | |
6675 | goto read_cfg_out; | |
da0436e9 JS |
6676 | |
6677 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ | |
b92938b4 JS |
6678 | if (phba->cfg_hba_queue_depth > |
6679 | (phba->sli4_hba.max_cfg_param.max_xri - | |
6680 | lpfc_sli4_get_els_iocb_cnt(phba))) | |
da0436e9 | 6681 | phba->cfg_hba_queue_depth = |
b92938b4 JS |
6682 | phba->sli4_hba.max_cfg_param.max_xri - |
6683 | lpfc_sli4_get_els_iocb_cnt(phba); | |
912e3acd JS |
6684 | |
6685 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
6686 | LPFC_SLI_INTF_IF_TYPE_2) | |
6687 | goto read_cfg_out; | |
6688 | ||
6689 | /* get the pf# and vf# for SLI4 if_type 2 port */ | |
6690 | length = (sizeof(struct lpfc_mbx_get_func_cfg) - | |
6691 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
6692 | lpfc_sli4_config(phba, pmb, LPFC_MBOX_SUBSYSTEM_COMMON, | |
6693 | LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG, | |
6694 | length, LPFC_SLI4_MBX_EMBED); | |
6695 | ||
8aa134a8 | 6696 | rc2 = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
912e3acd JS |
6697 | shdr = (union lpfc_sli4_cfg_shdr *) |
6698 | &pmb->u.mqe.un.sli4_config.header.cfg_shdr; | |
6699 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
6700 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
8aa134a8 | 6701 | if (rc2 || shdr_status || shdr_add_status) { |
912e3acd JS |
6702 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
6703 | "3026 Mailbox failed , mbxCmd x%x " | |
6704 | "GET_FUNCTION_CONFIG, mbxStatus x%x\n", | |
6705 | bf_get(lpfc_mqe_command, &pmb->u.mqe), | |
6706 | bf_get(lpfc_mqe_status, &pmb->u.mqe)); | |
912e3acd JS |
6707 | goto read_cfg_out; |
6708 | } | |
6709 | ||
6710 | /* search for fc_fcoe resrouce descriptor */ | |
6711 | get_func_cfg = &pmb->u.mqe.un.get_func_cfg; | |
6712 | desc_count = get_func_cfg->func_cfg.rsrc_desc_count; | |
6713 | ||
8aa134a8 JS |
6714 | pdesc_0 = (char *)&get_func_cfg->func_cfg.desc[0]; |
6715 | desc = (struct lpfc_rsrc_desc_fcfcoe *)pdesc_0; | |
6716 | length = bf_get(lpfc_rsrc_desc_fcfcoe_length, desc); | |
6717 | if (length == LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD) | |
6718 | length = LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH; | |
6719 | else if (length != LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH) | |
6720 | goto read_cfg_out; | |
6721 | ||
912e3acd | 6722 | for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) { |
8aa134a8 | 6723 | desc = (struct lpfc_rsrc_desc_fcfcoe *)(pdesc_0 + length * i); |
912e3acd | 6724 | if (LPFC_RSRC_DESC_TYPE_FCFCOE == |
8aa134a8 | 6725 | bf_get(lpfc_rsrc_desc_fcfcoe_type, desc)) { |
912e3acd JS |
6726 | phba->sli4_hba.iov.pf_number = |
6727 | bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc); | |
6728 | phba->sli4_hba.iov.vf_number = | |
6729 | bf_get(lpfc_rsrc_desc_fcfcoe_vfnum, desc); | |
6730 | break; | |
6731 | } | |
6732 | } | |
6733 | ||
6734 | if (i < LPFC_RSRC_DESC_MAX_NUM) | |
6735 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
6736 | "3027 GET_FUNCTION_CONFIG: pf_number:%d, " | |
6737 | "vf_number:%d\n", phba->sli4_hba.iov.pf_number, | |
6738 | phba->sli4_hba.iov.vf_number); | |
8aa134a8 | 6739 | else |
912e3acd JS |
6740 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
6741 | "3028 GET_FUNCTION_CONFIG: failed to find " | |
6742 | "Resrouce Descriptor:x%x\n", | |
6743 | LPFC_RSRC_DESC_TYPE_FCFCOE); | |
912e3acd JS |
6744 | |
6745 | read_cfg_out: | |
6746 | mempool_free(pmb, phba->mbox_mem_pool); | |
da0436e9 | 6747 | return rc; |
3772a991 JS |
6748 | } |
6749 | ||
6750 | /** | |
2fcee4bf | 6751 | * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port. |
3772a991 JS |
6752 | * @phba: pointer to lpfc hba data structure. |
6753 | * | |
2fcee4bf JS |
6754 | * This routine is invoked to setup the port-side endian order when |
6755 | * the port if_type is 0. This routine has no function for other | |
6756 | * if_types. | |
da0436e9 JS |
6757 | * |
6758 | * Return codes | |
af901ca1 | 6759 | * 0 - successful |
25985edc | 6760 | * -ENOMEM - No available memory |
d439d286 | 6761 | * -EIO - The mailbox failed to complete successfully. |
3772a991 | 6762 | **/ |
da0436e9 JS |
6763 | static int |
6764 | lpfc_setup_endian_order(struct lpfc_hba *phba) | |
3772a991 | 6765 | { |
da0436e9 | 6766 | LPFC_MBOXQ_t *mboxq; |
2fcee4bf | 6767 | uint32_t if_type, rc = 0; |
da0436e9 JS |
6768 | uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0, |
6769 | HOST_ENDIAN_HIGH_WORD1}; | |
3772a991 | 6770 | |
2fcee4bf JS |
6771 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
6772 | switch (if_type) { | |
6773 | case LPFC_SLI_INTF_IF_TYPE_0: | |
6774 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, | |
6775 | GFP_KERNEL); | |
6776 | if (!mboxq) { | |
6777 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6778 | "0492 Unable to allocate memory for " | |
6779 | "issuing SLI_CONFIG_SPECIAL mailbox " | |
6780 | "command\n"); | |
6781 | return -ENOMEM; | |
6782 | } | |
3772a991 | 6783 | |
2fcee4bf JS |
6784 | /* |
6785 | * The SLI4_CONFIG_SPECIAL mailbox command requires the first | |
6786 | * two words to contain special data values and no other data. | |
6787 | */ | |
6788 | memset(mboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
6789 | memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data)); | |
6790 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
6791 | if (rc != MBX_SUCCESS) { | |
6792 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6793 | "0493 SLI_CONFIG_SPECIAL mailbox " | |
6794 | "failed with status x%x\n", | |
6795 | rc); | |
6796 | rc = -EIO; | |
6797 | } | |
6798 | mempool_free(mboxq, phba->mbox_mem_pool); | |
6799 | break; | |
6800 | case LPFC_SLI_INTF_IF_TYPE_2: | |
6801 | case LPFC_SLI_INTF_IF_TYPE_1: | |
6802 | default: | |
6803 | break; | |
da0436e9 | 6804 | } |
da0436e9 | 6805 | return rc; |
3772a991 JS |
6806 | } |
6807 | ||
6808 | /** | |
5350d872 | 6809 | * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts |
3772a991 JS |
6810 | * @phba: pointer to lpfc hba data structure. |
6811 | * | |
5350d872 JS |
6812 | * This routine is invoked to check the user settable queue counts for EQs and |
6813 | * CQs. after this routine is called the counts will be set to valid values that | |
6814 | * adhere to the constraints of the system's interrupt vectors and the port's | |
6815 | * queue resources. | |
da0436e9 JS |
6816 | * |
6817 | * Return codes | |
af901ca1 | 6818 | * 0 - successful |
25985edc | 6819 | * -ENOMEM - No available memory |
3772a991 | 6820 | **/ |
da0436e9 | 6821 | static int |
5350d872 | 6822 | lpfc_sli4_queue_verify(struct lpfc_hba *phba) |
3772a991 | 6823 | { |
67d12733 | 6824 | int cfg_fcp_io_channel; |
90695ee0 JS |
6825 | uint32_t cpu; |
6826 | uint32_t i = 0; | |
7bb03bbf | 6827 | uint32_t j = 0; |
90695ee0 | 6828 | |
3772a991 | 6829 | |
da0436e9 | 6830 | /* |
67d12733 | 6831 | * Sanity check for configured queue parameters against the run-time |
da0436e9 JS |
6832 | * device parameters |
6833 | */ | |
3772a991 | 6834 | |
67d12733 JS |
6835 | /* Sanity check on HBA EQ parameters */ |
6836 | cfg_fcp_io_channel = phba->cfg_fcp_io_channel; | |
6837 | ||
7bb03bbf JS |
6838 | /* It doesn't make sense to have more io channels then online CPUs */ |
6839 | for_each_present_cpu(cpu) { | |
6840 | if (cpu_online(cpu)) | |
6841 | i++; | |
6842 | j++; | |
90695ee0 | 6843 | } |
7bb03bbf JS |
6844 | phba->sli4_hba.num_online_cpu = i; |
6845 | phba->sli4_hba.num_present_cpu = j; | |
6846 | ||
90695ee0 | 6847 | if (i < cfg_fcp_io_channel) { |
82c3e9ba JS |
6848 | lpfc_printf_log(phba, |
6849 | KERN_ERR, LOG_INIT, | |
90695ee0 | 6850 | "3188 Reducing IO channels to match number of " |
7bb03bbf JS |
6851 | "online CPUs: from %d to %d\n", |
6852 | cfg_fcp_io_channel, i); | |
90695ee0 JS |
6853 | cfg_fcp_io_channel = i; |
6854 | } | |
6855 | ||
67d12733 JS |
6856 | if (cfg_fcp_io_channel > |
6857 | phba->sli4_hba.max_cfg_param.max_eq) { | |
82c3e9ba JS |
6858 | if (phba->sli4_hba.max_cfg_param.max_eq < |
6859 | LPFC_FCP_IO_CHAN_MIN) { | |
da0436e9 JS |
6860 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
6861 | "2574 Not enough EQs (%d) from the " | |
6862 | "pci function for supporting FCP " | |
6863 | "EQs (%d)\n", | |
6864 | phba->sli4_hba.max_cfg_param.max_eq, | |
67d12733 | 6865 | phba->cfg_fcp_io_channel); |
da0436e9 JS |
6866 | goto out_error; |
6867 | } | |
82c3e9ba JS |
6868 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
6869 | "2575 Reducing IO channels to match number of " | |
6870 | "available EQs: from %d to %d\n", | |
6871 | cfg_fcp_io_channel, | |
6872 | phba->sli4_hba.max_cfg_param.max_eq); | |
6873 | cfg_fcp_io_channel = phba->sli4_hba.max_cfg_param.max_eq; | |
da0436e9 | 6874 | } |
67d12733 JS |
6875 | |
6876 | /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */ | |
6877 | ||
da0436e9 | 6878 | /* The actual number of FCP event queues adopted */ |
67d12733 JS |
6879 | phba->cfg_fcp_eq_count = cfg_fcp_io_channel; |
6880 | phba->cfg_fcp_wq_count = cfg_fcp_io_channel; | |
6881 | phba->cfg_fcp_io_channel = cfg_fcp_io_channel; | |
3772a991 | 6882 | |
da0436e9 JS |
6883 | /* Get EQ depth from module parameter, fake the default for now */ |
6884 | phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B; | |
6885 | phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT; | |
3772a991 | 6886 | |
5350d872 JS |
6887 | /* Get CQ depth from module parameter, fake the default for now */ |
6888 | phba->sli4_hba.cq_esize = LPFC_CQE_SIZE; | |
6889 | phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT; | |
6890 | ||
6891 | return 0; | |
6892 | out_error: | |
6893 | return -ENOMEM; | |
6894 | } | |
6895 | ||
6896 | /** | |
6897 | * lpfc_sli4_queue_create - Create all the SLI4 queues | |
6898 | * @phba: pointer to lpfc hba data structure. | |
6899 | * | |
6900 | * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA | |
6901 | * operation. For each SLI4 queue type, the parameters such as queue entry | |
6902 | * count (queue depth) shall be taken from the module parameter. For now, | |
6903 | * we just use some constant number as place holder. | |
6904 | * | |
6905 | * Return codes | |
4907cb7b | 6906 | * 0 - successful |
5350d872 JS |
6907 | * -ENOMEM - No availble memory |
6908 | * -EIO - The mailbox failed to complete successfully. | |
6909 | **/ | |
6910 | int | |
6911 | lpfc_sli4_queue_create(struct lpfc_hba *phba) | |
6912 | { | |
6913 | struct lpfc_queue *qdesc; | |
67d12733 | 6914 | int idx; |
5350d872 JS |
6915 | |
6916 | /* | |
67d12733 | 6917 | * Create HBA Record arrays. |
5350d872 | 6918 | */ |
67d12733 JS |
6919 | if (!phba->cfg_fcp_io_channel) |
6920 | return -ERANGE; | |
5350d872 | 6921 | |
67d12733 JS |
6922 | phba->sli4_hba.mq_esize = LPFC_MQE_SIZE; |
6923 | phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT; | |
6924 | phba->sli4_hba.wq_esize = LPFC_WQE_SIZE; | |
6925 | phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT; | |
6926 | phba->sli4_hba.rq_esize = LPFC_RQE_SIZE; | |
6927 | phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT; | |
6928 | ||
6929 | phba->sli4_hba.hba_eq = kzalloc((sizeof(struct lpfc_queue *) * | |
6930 | phba->cfg_fcp_io_channel), GFP_KERNEL); | |
6931 | if (!phba->sli4_hba.hba_eq) { | |
6932 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6933 | "2576 Failed allocate memory for " | |
6934 | "fast-path EQ record array\n"); | |
6935 | goto out_error; | |
6936 | } | |
6937 | ||
6938 | phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) * | |
6939 | phba->cfg_fcp_io_channel), GFP_KERNEL); | |
6940 | if (!phba->sli4_hba.fcp_cq) { | |
da0436e9 | 6941 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
67d12733 JS |
6942 | "2577 Failed allocate memory for fast-path " |
6943 | "CQ record array\n"); | |
6944 | goto out_error; | |
6945 | } | |
6946 | ||
6947 | phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) * | |
6948 | phba->cfg_fcp_io_channel), GFP_KERNEL); | |
6949 | if (!phba->sli4_hba.fcp_wq) { | |
6950 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6951 | "2578 Failed allocate memory for fast-path " | |
6952 | "WQ record array\n"); | |
da0436e9 JS |
6953 | goto out_error; |
6954 | } | |
da0436e9 | 6955 | |
5350d872 | 6956 | /* |
67d12733 JS |
6957 | * Since the first EQ can have multiple CQs associated with it, |
6958 | * this array is used to quickly see if we have a FCP fast-path | |
6959 | * CQ match. | |
5350d872 | 6960 | */ |
67d12733 JS |
6961 | phba->sli4_hba.fcp_cq_map = kzalloc((sizeof(uint16_t) * |
6962 | phba->cfg_fcp_io_channel), GFP_KERNEL); | |
6963 | if (!phba->sli4_hba.fcp_cq_map) { | |
6964 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6965 | "2545 Failed allocate memory for fast-path " | |
6966 | "CQ map\n"); | |
6967 | goto out_error; | |
da0436e9 | 6968 | } |
67d12733 JS |
6969 | |
6970 | /* | |
6971 | * Create HBA Event Queues (EQs). The cfg_fcp_io_channel specifies | |
6972 | * how many EQs to create. | |
6973 | */ | |
6974 | for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) { | |
6975 | ||
6976 | /* Create EQs */ | |
da0436e9 JS |
6977 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize, |
6978 | phba->sli4_hba.eq_ecount); | |
6979 | if (!qdesc) { | |
6980 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
67d12733 JS |
6981 | "0497 Failed allocate EQ (%d)\n", idx); |
6982 | goto out_error; | |
da0436e9 | 6983 | } |
67d12733 JS |
6984 | phba->sli4_hba.hba_eq[idx] = qdesc; |
6985 | ||
6986 | /* Create Fast Path FCP CQs */ | |
6987 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
6988 | phba->sli4_hba.cq_ecount); | |
6989 | if (!qdesc) { | |
6990 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6991 | "0499 Failed allocate fast-path FCP " | |
6992 | "CQ (%d)\n", idx); | |
6993 | goto out_error; | |
6994 | } | |
6995 | phba->sli4_hba.fcp_cq[idx] = qdesc; | |
6996 | ||
6997 | /* Create Fast Path FCP WQs */ | |
6998 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize, | |
6999 | phba->sli4_hba.wq_ecount); | |
7000 | if (!qdesc) { | |
7001 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7002 | "0503 Failed allocate fast-path FCP " | |
7003 | "WQ (%d)\n", idx); | |
7004 | goto out_error; | |
7005 | } | |
7006 | phba->sli4_hba.fcp_wq[idx] = qdesc; | |
da0436e9 JS |
7007 | } |
7008 | ||
67d12733 | 7009 | |
da0436e9 | 7010 | /* |
67d12733 | 7011 | * Create Slow Path Completion Queues (CQs) |
da0436e9 JS |
7012 | */ |
7013 | ||
da0436e9 JS |
7014 | /* Create slow-path Mailbox Command Complete Queue */ |
7015 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
7016 | phba->sli4_hba.cq_ecount); | |
7017 | if (!qdesc) { | |
7018 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7019 | "0500 Failed allocate slow-path mailbox CQ\n"); | |
67d12733 | 7020 | goto out_error; |
da0436e9 JS |
7021 | } |
7022 | phba->sli4_hba.mbx_cq = qdesc; | |
7023 | ||
7024 | /* Create slow-path ELS Complete Queue */ | |
7025 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
7026 | phba->sli4_hba.cq_ecount); | |
7027 | if (!qdesc) { | |
7028 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7029 | "0501 Failed allocate slow-path ELS CQ\n"); | |
67d12733 | 7030 | goto out_error; |
da0436e9 JS |
7031 | } |
7032 | phba->sli4_hba.els_cq = qdesc; | |
7033 | ||
da0436e9 | 7034 | |
5350d872 | 7035 | /* |
67d12733 | 7036 | * Create Slow Path Work Queues (WQs) |
5350d872 | 7037 | */ |
da0436e9 JS |
7038 | |
7039 | /* Create Mailbox Command Queue */ | |
da0436e9 JS |
7040 | |
7041 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize, | |
7042 | phba->sli4_hba.mq_ecount); | |
7043 | if (!qdesc) { | |
7044 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7045 | "0505 Failed allocate slow-path MQ\n"); | |
67d12733 | 7046 | goto out_error; |
da0436e9 JS |
7047 | } |
7048 | phba->sli4_hba.mbx_wq = qdesc; | |
7049 | ||
7050 | /* | |
67d12733 | 7051 | * Create ELS Work Queues |
da0436e9 | 7052 | */ |
da0436e9 JS |
7053 | |
7054 | /* Create slow-path ELS Work Queue */ | |
7055 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize, | |
7056 | phba->sli4_hba.wq_ecount); | |
7057 | if (!qdesc) { | |
7058 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7059 | "0504 Failed allocate slow-path ELS WQ\n"); | |
67d12733 | 7060 | goto out_error; |
da0436e9 JS |
7061 | } |
7062 | phba->sli4_hba.els_wq = qdesc; | |
7063 | ||
da0436e9 JS |
7064 | /* |
7065 | * Create Receive Queue (RQ) | |
7066 | */ | |
da0436e9 JS |
7067 | |
7068 | /* Create Receive Queue for header */ | |
7069 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, | |
7070 | phba->sli4_hba.rq_ecount); | |
7071 | if (!qdesc) { | |
7072 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7073 | "0506 Failed allocate receive HRQ\n"); | |
67d12733 | 7074 | goto out_error; |
da0436e9 JS |
7075 | } |
7076 | phba->sli4_hba.hdr_rq = qdesc; | |
7077 | ||
7078 | /* Create Receive Queue for data */ | |
7079 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, | |
7080 | phba->sli4_hba.rq_ecount); | |
7081 | if (!qdesc) { | |
7082 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7083 | "0507 Failed allocate receive DRQ\n"); | |
67d12733 | 7084 | goto out_error; |
da0436e9 JS |
7085 | } |
7086 | phba->sli4_hba.dat_rq = qdesc; | |
7087 | ||
7088 | return 0; | |
7089 | ||
da0436e9 | 7090 | out_error: |
67d12733 | 7091 | lpfc_sli4_queue_destroy(phba); |
da0436e9 JS |
7092 | return -ENOMEM; |
7093 | } | |
7094 | ||
7095 | /** | |
7096 | * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues | |
7097 | * @phba: pointer to lpfc hba data structure. | |
7098 | * | |
7099 | * This routine is invoked to release all the SLI4 queues with the FCoE HBA | |
7100 | * operation. | |
7101 | * | |
7102 | * Return codes | |
af901ca1 | 7103 | * 0 - successful |
25985edc | 7104 | * -ENOMEM - No available memory |
d439d286 | 7105 | * -EIO - The mailbox failed to complete successfully. |
da0436e9 | 7106 | **/ |
5350d872 | 7107 | void |
da0436e9 JS |
7108 | lpfc_sli4_queue_destroy(struct lpfc_hba *phba) |
7109 | { | |
67d12733 JS |
7110 | int idx; |
7111 | ||
7112 | if (phba->sli4_hba.hba_eq != NULL) { | |
7113 | /* Release HBA event queue */ | |
7114 | for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) { | |
7115 | if (phba->sli4_hba.hba_eq[idx] != NULL) { | |
7116 | lpfc_sli4_queue_free( | |
7117 | phba->sli4_hba.hba_eq[idx]); | |
7118 | phba->sli4_hba.hba_eq[idx] = NULL; | |
7119 | } | |
7120 | } | |
7121 | kfree(phba->sli4_hba.hba_eq); | |
7122 | phba->sli4_hba.hba_eq = NULL; | |
7123 | } | |
7124 | ||
7125 | if (phba->sli4_hba.fcp_cq != NULL) { | |
7126 | /* Release FCP completion queue */ | |
7127 | for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) { | |
7128 | if (phba->sli4_hba.fcp_cq[idx] != NULL) { | |
7129 | lpfc_sli4_queue_free( | |
7130 | phba->sli4_hba.fcp_cq[idx]); | |
7131 | phba->sli4_hba.fcp_cq[idx] = NULL; | |
7132 | } | |
7133 | } | |
7134 | kfree(phba->sli4_hba.fcp_cq); | |
7135 | phba->sli4_hba.fcp_cq = NULL; | |
7136 | } | |
7137 | ||
7138 | if (phba->sli4_hba.fcp_wq != NULL) { | |
7139 | /* Release FCP work queue */ | |
7140 | for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) { | |
7141 | if (phba->sli4_hba.fcp_wq[idx] != NULL) { | |
7142 | lpfc_sli4_queue_free( | |
7143 | phba->sli4_hba.fcp_wq[idx]); | |
7144 | phba->sli4_hba.fcp_wq[idx] = NULL; | |
7145 | } | |
7146 | } | |
7147 | kfree(phba->sli4_hba.fcp_wq); | |
7148 | phba->sli4_hba.fcp_wq = NULL; | |
7149 | } | |
7150 | ||
962bc51b JS |
7151 | if (phba->pci_bar0_memmap_p) { |
7152 | iounmap(phba->pci_bar0_memmap_p); | |
7153 | phba->pci_bar0_memmap_p = NULL; | |
7154 | } | |
7155 | if (phba->pci_bar2_memmap_p) { | |
7156 | iounmap(phba->pci_bar2_memmap_p); | |
7157 | phba->pci_bar2_memmap_p = NULL; | |
7158 | } | |
7159 | if (phba->pci_bar4_memmap_p) { | |
7160 | iounmap(phba->pci_bar4_memmap_p); | |
7161 | phba->pci_bar4_memmap_p = NULL; | |
7162 | } | |
7163 | ||
67d12733 JS |
7164 | /* Release FCP CQ mapping array */ |
7165 | if (phba->sli4_hba.fcp_cq_map != NULL) { | |
7166 | kfree(phba->sli4_hba.fcp_cq_map); | |
7167 | phba->sli4_hba.fcp_cq_map = NULL; | |
7168 | } | |
da0436e9 JS |
7169 | |
7170 | /* Release mailbox command work queue */ | |
67d12733 JS |
7171 | if (phba->sli4_hba.mbx_wq != NULL) { |
7172 | lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq); | |
7173 | phba->sli4_hba.mbx_wq = NULL; | |
7174 | } | |
da0436e9 JS |
7175 | |
7176 | /* Release ELS work queue */ | |
67d12733 JS |
7177 | if (phba->sli4_hba.els_wq != NULL) { |
7178 | lpfc_sli4_queue_free(phba->sli4_hba.els_wq); | |
7179 | phba->sli4_hba.els_wq = NULL; | |
7180 | } | |
da0436e9 JS |
7181 | |
7182 | /* Release unsolicited receive queue */ | |
67d12733 JS |
7183 | if (phba->sli4_hba.hdr_rq != NULL) { |
7184 | lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq); | |
7185 | phba->sli4_hba.hdr_rq = NULL; | |
7186 | } | |
7187 | if (phba->sli4_hba.dat_rq != NULL) { | |
7188 | lpfc_sli4_queue_free(phba->sli4_hba.dat_rq); | |
7189 | phba->sli4_hba.dat_rq = NULL; | |
7190 | } | |
da0436e9 | 7191 | |
da0436e9 | 7192 | /* Release ELS complete queue */ |
67d12733 JS |
7193 | if (phba->sli4_hba.els_cq != NULL) { |
7194 | lpfc_sli4_queue_free(phba->sli4_hba.els_cq); | |
7195 | phba->sli4_hba.els_cq = NULL; | |
7196 | } | |
da0436e9 JS |
7197 | |
7198 | /* Release mailbox command complete queue */ | |
67d12733 JS |
7199 | if (phba->sli4_hba.mbx_cq != NULL) { |
7200 | lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq); | |
7201 | phba->sli4_hba.mbx_cq = NULL; | |
7202 | } | |
da0436e9 JS |
7203 | |
7204 | return; | |
7205 | } | |
7206 | ||
7207 | /** | |
7208 | * lpfc_sli4_queue_setup - Set up all the SLI4 queues | |
7209 | * @phba: pointer to lpfc hba data structure. | |
7210 | * | |
7211 | * This routine is invoked to set up all the SLI4 queues for the FCoE HBA | |
7212 | * operation. | |
7213 | * | |
7214 | * Return codes | |
af901ca1 | 7215 | * 0 - successful |
25985edc | 7216 | * -ENOMEM - No available memory |
d439d286 | 7217 | * -EIO - The mailbox failed to complete successfully. |
da0436e9 JS |
7218 | **/ |
7219 | int | |
7220 | lpfc_sli4_queue_setup(struct lpfc_hba *phba) | |
7221 | { | |
2a76a283 JS |
7222 | struct lpfc_sli *psli = &phba->sli; |
7223 | struct lpfc_sli_ring *pring; | |
da0436e9 JS |
7224 | int rc = -ENOMEM; |
7225 | int fcp_eqidx, fcp_cqidx, fcp_wqidx; | |
7226 | int fcp_cq_index = 0; | |
962bc51b JS |
7227 | uint32_t shdr_status, shdr_add_status; |
7228 | union lpfc_sli4_cfg_shdr *shdr; | |
7229 | LPFC_MBOXQ_t *mboxq; | |
7230 | uint32_t length; | |
7231 | ||
7232 | /* Check for dual-ULP support */ | |
7233 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
7234 | if (!mboxq) { | |
7235 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7236 | "3249 Unable to allocate memory for " | |
7237 | "QUERY_FW_CFG mailbox command\n"); | |
7238 | return -ENOMEM; | |
7239 | } | |
7240 | length = (sizeof(struct lpfc_mbx_query_fw_config) - | |
7241 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
7242 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
7243 | LPFC_MBOX_OPCODE_QUERY_FW_CFG, | |
7244 | length, LPFC_SLI4_MBX_EMBED); | |
7245 | ||
7246 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7247 | ||
7248 | shdr = (union lpfc_sli4_cfg_shdr *) | |
7249 | &mboxq->u.mqe.un.sli4_config.header.cfg_shdr; | |
7250 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
7251 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
7252 | if (shdr_status || shdr_add_status || rc) { | |
7253 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7254 | "3250 QUERY_FW_CFG mailbox failed with status " | |
7255 | "x%x add_status x%x, mbx status x%x\n", | |
7256 | shdr_status, shdr_add_status, rc); | |
7257 | if (rc != MBX_TIMEOUT) | |
7258 | mempool_free(mboxq, phba->mbox_mem_pool); | |
7259 | rc = -ENXIO; | |
7260 | goto out_error; | |
7261 | } | |
7262 | ||
7263 | phba->sli4_hba.fw_func_mode = | |
7264 | mboxq->u.mqe.un.query_fw_cfg.rsp.function_mode; | |
7265 | phba->sli4_hba.ulp0_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp0_mode; | |
7266 | phba->sli4_hba.ulp1_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp1_mode; | |
7267 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7268 | "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, " | |
7269 | "ulp1_mode:x%x\n", phba->sli4_hba.fw_func_mode, | |
7270 | phba->sli4_hba.ulp0_mode, phba->sli4_hba.ulp1_mode); | |
7271 | ||
7272 | if (rc != MBX_TIMEOUT) | |
7273 | mempool_free(mboxq, phba->mbox_mem_pool); | |
da0436e9 JS |
7274 | |
7275 | /* | |
67d12733 | 7276 | * Set up HBA Event Queues (EQs) |
da0436e9 JS |
7277 | */ |
7278 | ||
67d12733 JS |
7279 | /* Set up HBA event queue */ |
7280 | if (phba->cfg_fcp_io_channel && !phba->sli4_hba.hba_eq) { | |
2e90f4b5 JS |
7281 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
7282 | "3147 Fast-path EQs not allocated\n"); | |
1b51197d | 7283 | rc = -ENOMEM; |
67d12733 | 7284 | goto out_error; |
2e90f4b5 | 7285 | } |
67d12733 JS |
7286 | for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_io_channel; fcp_eqidx++) { |
7287 | if (!phba->sli4_hba.hba_eq[fcp_eqidx]) { | |
da0436e9 JS |
7288 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
7289 | "0522 Fast-path EQ (%d) not " | |
7290 | "allocated\n", fcp_eqidx); | |
1b51197d | 7291 | rc = -ENOMEM; |
67d12733 | 7292 | goto out_destroy_hba_eq; |
da0436e9 | 7293 | } |
67d12733 | 7294 | rc = lpfc_eq_create(phba, phba->sli4_hba.hba_eq[fcp_eqidx], |
bf8dae83 | 7295 | (phba->cfg_fcp_imax / phba->cfg_fcp_io_channel)); |
da0436e9 JS |
7296 | if (rc) { |
7297 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7298 | "0523 Failed setup of fast-path EQ " | |
7299 | "(%d), rc = 0x%x\n", fcp_eqidx, rc); | |
67d12733 | 7300 | goto out_destroy_hba_eq; |
da0436e9 JS |
7301 | } |
7302 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
67d12733 | 7303 | "2584 HBA EQ setup: " |
da0436e9 | 7304 | "queue[%d]-id=%d\n", fcp_eqidx, |
67d12733 | 7305 | phba->sli4_hba.hba_eq[fcp_eqidx]->queue_id); |
da0436e9 JS |
7306 | } |
7307 | ||
67d12733 JS |
7308 | /* Set up fast-path FCP Response Complete Queue */ |
7309 | if (!phba->sli4_hba.fcp_cq) { | |
7310 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7311 | "3148 Fast-path FCP CQ array not " | |
7312 | "allocated\n"); | |
7313 | rc = -ENOMEM; | |
7314 | goto out_destroy_hba_eq; | |
7315 | } | |
7316 | ||
7317 | for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_io_channel; fcp_cqidx++) { | |
7318 | if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) { | |
7319 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7320 | "0526 Fast-path FCP CQ (%d) not " | |
7321 | "allocated\n", fcp_cqidx); | |
7322 | rc = -ENOMEM; | |
7323 | goto out_destroy_fcp_cq; | |
7324 | } | |
7325 | rc = lpfc_cq_create(phba, phba->sli4_hba.fcp_cq[fcp_cqidx], | |
7326 | phba->sli4_hba.hba_eq[fcp_cqidx], LPFC_WCQ, LPFC_FCP); | |
7327 | if (rc) { | |
7328 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7329 | "0527 Failed setup of fast-path FCP " | |
7330 | "CQ (%d), rc = 0x%x\n", fcp_cqidx, rc); | |
7331 | goto out_destroy_fcp_cq; | |
7332 | } | |
7333 | ||
7334 | /* Setup fcp_cq_map for fast lookup */ | |
7335 | phba->sli4_hba.fcp_cq_map[fcp_cqidx] = | |
7336 | phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id; | |
7337 | ||
7338 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7339 | "2588 FCP CQ setup: cq[%d]-id=%d, " | |
7340 | "parent seq[%d]-id=%d\n", | |
7341 | fcp_cqidx, | |
7342 | phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id, | |
7343 | fcp_cqidx, | |
7344 | phba->sli4_hba.hba_eq[fcp_cqidx]->queue_id); | |
7345 | } | |
7346 | ||
7347 | /* Set up fast-path FCP Work Queue */ | |
7348 | if (!phba->sli4_hba.fcp_wq) { | |
7349 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7350 | "3149 Fast-path FCP WQ array not " | |
7351 | "allocated\n"); | |
7352 | rc = -ENOMEM; | |
7353 | goto out_destroy_fcp_cq; | |
7354 | } | |
7355 | ||
7356 | for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_io_channel; fcp_wqidx++) { | |
7357 | if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) { | |
7358 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7359 | "0534 Fast-path FCP WQ (%d) not " | |
7360 | "allocated\n", fcp_wqidx); | |
7361 | rc = -ENOMEM; | |
7362 | goto out_destroy_fcp_wq; | |
7363 | } | |
7364 | rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx], | |
7365 | phba->sli4_hba.fcp_cq[fcp_wqidx], | |
7366 | LPFC_FCP); | |
7367 | if (rc) { | |
7368 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7369 | "0535 Failed setup of fast-path FCP " | |
7370 | "WQ (%d), rc = 0x%x\n", fcp_wqidx, rc); | |
7371 | goto out_destroy_fcp_wq; | |
7372 | } | |
7373 | ||
7374 | /* Bind this WQ to the next FCP ring */ | |
7375 | pring = &psli->ring[MAX_SLI3_CONFIGURED_RINGS + fcp_wqidx]; | |
7376 | pring->sli.sli4.wqp = (void *)phba->sli4_hba.fcp_wq[fcp_wqidx]; | |
7377 | phba->sli4_hba.fcp_cq[fcp_wqidx]->pring = pring; | |
7378 | ||
7379 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7380 | "2591 FCP WQ setup: wq[%d]-id=%d, " | |
7381 | "parent cq[%d]-id=%d\n", | |
7382 | fcp_wqidx, | |
7383 | phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id, | |
7384 | fcp_cq_index, | |
7385 | phba->sli4_hba.fcp_cq[fcp_wqidx]->queue_id); | |
7386 | } | |
da0436e9 JS |
7387 | /* |
7388 | * Set up Complete Queues (CQs) | |
7389 | */ | |
7390 | ||
7391 | /* Set up slow-path MBOX Complete Queue as the first CQ */ | |
7392 | if (!phba->sli4_hba.mbx_cq) { | |
7393 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7394 | "0528 Mailbox CQ not allocated\n"); | |
1b51197d | 7395 | rc = -ENOMEM; |
67d12733 | 7396 | goto out_destroy_fcp_wq; |
da0436e9 | 7397 | } |
67d12733 JS |
7398 | rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq, |
7399 | phba->sli4_hba.hba_eq[0], LPFC_MCQ, LPFC_MBOX); | |
da0436e9 JS |
7400 | if (rc) { |
7401 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7402 | "0529 Failed setup of slow-path mailbox CQ: " | |
7403 | "rc = 0x%x\n", rc); | |
67d12733 | 7404 | goto out_destroy_fcp_wq; |
da0436e9 JS |
7405 | } |
7406 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7407 | "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n", | |
7408 | phba->sli4_hba.mbx_cq->queue_id, | |
67d12733 | 7409 | phba->sli4_hba.hba_eq[0]->queue_id); |
da0436e9 JS |
7410 | |
7411 | /* Set up slow-path ELS Complete Queue */ | |
7412 | if (!phba->sli4_hba.els_cq) { | |
7413 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7414 | "0530 ELS CQ not allocated\n"); | |
1b51197d | 7415 | rc = -ENOMEM; |
da0436e9 JS |
7416 | goto out_destroy_mbx_cq; |
7417 | } | |
67d12733 JS |
7418 | rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq, |
7419 | phba->sli4_hba.hba_eq[0], LPFC_WCQ, LPFC_ELS); | |
da0436e9 JS |
7420 | if (rc) { |
7421 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7422 | "0531 Failed setup of slow-path ELS CQ: " | |
7423 | "rc = 0x%x\n", rc); | |
7424 | goto out_destroy_mbx_cq; | |
7425 | } | |
7426 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7427 | "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n", | |
7428 | phba->sli4_hba.els_cq->queue_id, | |
67d12733 | 7429 | phba->sli4_hba.hba_eq[0]->queue_id); |
da0436e9 JS |
7430 | |
7431 | /* | |
7432 | * Set up all the Work Queues (WQs) | |
7433 | */ | |
7434 | ||
7435 | /* Set up Mailbox Command Queue */ | |
7436 | if (!phba->sli4_hba.mbx_wq) { | |
7437 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7438 | "0538 Slow-path MQ not allocated\n"); | |
1b51197d | 7439 | rc = -ENOMEM; |
67d12733 | 7440 | goto out_destroy_els_cq; |
da0436e9 JS |
7441 | } |
7442 | rc = lpfc_mq_create(phba, phba->sli4_hba.mbx_wq, | |
7443 | phba->sli4_hba.mbx_cq, LPFC_MBOX); | |
7444 | if (rc) { | |
7445 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7446 | "0539 Failed setup of slow-path MQ: " | |
7447 | "rc = 0x%x\n", rc); | |
67d12733 | 7448 | goto out_destroy_els_cq; |
da0436e9 JS |
7449 | } |
7450 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7451 | "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n", | |
7452 | phba->sli4_hba.mbx_wq->queue_id, | |
7453 | phba->sli4_hba.mbx_cq->queue_id); | |
7454 | ||
7455 | /* Set up slow-path ELS Work Queue */ | |
7456 | if (!phba->sli4_hba.els_wq) { | |
7457 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7458 | "0536 Slow-path ELS WQ not allocated\n"); | |
1b51197d | 7459 | rc = -ENOMEM; |
da0436e9 JS |
7460 | goto out_destroy_mbx_wq; |
7461 | } | |
7462 | rc = lpfc_wq_create(phba, phba->sli4_hba.els_wq, | |
7463 | phba->sli4_hba.els_cq, LPFC_ELS); | |
7464 | if (rc) { | |
7465 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7466 | "0537 Failed setup of slow-path ELS WQ: " | |
7467 | "rc = 0x%x\n", rc); | |
7468 | goto out_destroy_mbx_wq; | |
7469 | } | |
2a76a283 JS |
7470 | |
7471 | /* Bind this WQ to the ELS ring */ | |
7472 | pring = &psli->ring[LPFC_ELS_RING]; | |
7473 | pring->sli.sli4.wqp = (void *)phba->sli4_hba.els_wq; | |
7474 | phba->sli4_hba.els_cq->pring = pring; | |
7475 | ||
da0436e9 JS |
7476 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
7477 | "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n", | |
7478 | phba->sli4_hba.els_wq->queue_id, | |
7479 | phba->sli4_hba.els_cq->queue_id); | |
7480 | ||
da0436e9 JS |
7481 | /* |
7482 | * Create Receive Queue (RQ) | |
7483 | */ | |
7484 | if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) { | |
7485 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7486 | "0540 Receive Queue not allocated\n"); | |
1b51197d | 7487 | rc = -ENOMEM; |
67d12733 | 7488 | goto out_destroy_els_wq; |
da0436e9 | 7489 | } |
73d91e50 JS |
7490 | |
7491 | lpfc_rq_adjust_repost(phba, phba->sli4_hba.hdr_rq, LPFC_ELS_HBQ); | |
7492 | lpfc_rq_adjust_repost(phba, phba->sli4_hba.dat_rq, LPFC_ELS_HBQ); | |
7493 | ||
da0436e9 | 7494 | rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq, |
4d9ab994 | 7495 | phba->sli4_hba.els_cq, LPFC_USOL); |
da0436e9 JS |
7496 | if (rc) { |
7497 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7498 | "0541 Failed setup of Receive Queue: " | |
7499 | "rc = 0x%x\n", rc); | |
7500 | goto out_destroy_fcp_wq; | |
7501 | } | |
73d91e50 | 7502 | |
da0436e9 JS |
7503 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
7504 | "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d " | |
7505 | "parent cq-id=%d\n", | |
7506 | phba->sli4_hba.hdr_rq->queue_id, | |
7507 | phba->sli4_hba.dat_rq->queue_id, | |
4d9ab994 | 7508 | phba->sli4_hba.els_cq->queue_id); |
da0436e9 JS |
7509 | return 0; |
7510 | ||
2e90f4b5 | 7511 | out_destroy_els_wq: |
da0436e9 JS |
7512 | lpfc_wq_destroy(phba, phba->sli4_hba.els_wq); |
7513 | out_destroy_mbx_wq: | |
7514 | lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq); | |
2e90f4b5 | 7515 | out_destroy_els_cq: |
da0436e9 JS |
7516 | lpfc_cq_destroy(phba, phba->sli4_hba.els_cq); |
7517 | out_destroy_mbx_cq: | |
7518 | lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq); | |
67d12733 JS |
7519 | out_destroy_fcp_wq: |
7520 | for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--) | |
7521 | lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]); | |
7522 | out_destroy_fcp_cq: | |
7523 | for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--) | |
7524 | lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]); | |
7525 | out_destroy_hba_eq: | |
da0436e9 | 7526 | for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--) |
67d12733 | 7527 | lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_eqidx]); |
da0436e9 JS |
7528 | out_error: |
7529 | return rc; | |
7530 | } | |
7531 | ||
7532 | /** | |
7533 | * lpfc_sli4_queue_unset - Unset all the SLI4 queues | |
7534 | * @phba: pointer to lpfc hba data structure. | |
7535 | * | |
7536 | * This routine is invoked to unset all the SLI4 queues with the FCoE HBA | |
7537 | * operation. | |
7538 | * | |
7539 | * Return codes | |
af901ca1 | 7540 | * 0 - successful |
25985edc | 7541 | * -ENOMEM - No available memory |
d439d286 | 7542 | * -EIO - The mailbox failed to complete successfully. |
da0436e9 JS |
7543 | **/ |
7544 | void | |
7545 | lpfc_sli4_queue_unset(struct lpfc_hba *phba) | |
7546 | { | |
7547 | int fcp_qidx; | |
7548 | ||
7549 | /* Unset mailbox command work queue */ | |
7550 | lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq); | |
7551 | /* Unset ELS work queue */ | |
7552 | lpfc_wq_destroy(phba, phba->sli4_hba.els_wq); | |
7553 | /* Unset unsolicited receive queue */ | |
7554 | lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq); | |
7555 | /* Unset FCP work queue */ | |
67d12733 JS |
7556 | if (phba->sli4_hba.fcp_wq) { |
7557 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel; | |
7558 | fcp_qidx++) | |
7559 | lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_qidx]); | |
7560 | } | |
da0436e9 JS |
7561 | /* Unset mailbox command complete queue */ |
7562 | lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq); | |
7563 | /* Unset ELS complete queue */ | |
7564 | lpfc_cq_destroy(phba, phba->sli4_hba.els_cq); | |
da0436e9 | 7565 | /* Unset FCP response complete queue */ |
2e90f4b5 | 7566 | if (phba->sli4_hba.fcp_cq) { |
67d12733 JS |
7567 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel; |
7568 | fcp_qidx++) | |
2e90f4b5 | 7569 | lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]); |
2e90f4b5 | 7570 | } |
da0436e9 | 7571 | /* Unset fast-path event queue */ |
67d12733 JS |
7572 | if (phba->sli4_hba.hba_eq) { |
7573 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel; | |
2e90f4b5 | 7574 | fcp_qidx++) |
67d12733 | 7575 | lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_qidx]); |
2e90f4b5 | 7576 | } |
da0436e9 JS |
7577 | } |
7578 | ||
7579 | /** | |
7580 | * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool | |
7581 | * @phba: pointer to lpfc hba data structure. | |
7582 | * | |
7583 | * This routine is invoked to allocate and set up a pool of completion queue | |
7584 | * events. The body of the completion queue event is a completion queue entry | |
7585 | * CQE. For now, this pool is used for the interrupt service routine to queue | |
7586 | * the following HBA completion queue events for the worker thread to process: | |
7587 | * - Mailbox asynchronous events | |
7588 | * - Receive queue completion unsolicited events | |
7589 | * Later, this can be used for all the slow-path events. | |
7590 | * | |
7591 | * Return codes | |
af901ca1 | 7592 | * 0 - successful |
25985edc | 7593 | * -ENOMEM - No available memory |
da0436e9 JS |
7594 | **/ |
7595 | static int | |
7596 | lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba) | |
7597 | { | |
7598 | struct lpfc_cq_event *cq_event; | |
7599 | int i; | |
7600 | ||
7601 | for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) { | |
7602 | cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL); | |
7603 | if (!cq_event) | |
7604 | goto out_pool_create_fail; | |
7605 | list_add_tail(&cq_event->list, | |
7606 | &phba->sli4_hba.sp_cqe_event_pool); | |
7607 | } | |
7608 | return 0; | |
7609 | ||
7610 | out_pool_create_fail: | |
7611 | lpfc_sli4_cq_event_pool_destroy(phba); | |
7612 | return -ENOMEM; | |
7613 | } | |
7614 | ||
7615 | /** | |
7616 | * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool | |
7617 | * @phba: pointer to lpfc hba data structure. | |
7618 | * | |
7619 | * This routine is invoked to free the pool of completion queue events at | |
7620 | * driver unload time. Note that, it is the responsibility of the driver | |
7621 | * cleanup routine to free all the outstanding completion-queue events | |
7622 | * allocated from this pool back into the pool before invoking this routine | |
7623 | * to destroy the pool. | |
7624 | **/ | |
7625 | static void | |
7626 | lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba) | |
7627 | { | |
7628 | struct lpfc_cq_event *cq_event, *next_cq_event; | |
7629 | ||
7630 | list_for_each_entry_safe(cq_event, next_cq_event, | |
7631 | &phba->sli4_hba.sp_cqe_event_pool, list) { | |
7632 | list_del(&cq_event->list); | |
7633 | kfree(cq_event); | |
7634 | } | |
7635 | } | |
7636 | ||
7637 | /** | |
7638 | * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool | |
7639 | * @phba: pointer to lpfc hba data structure. | |
7640 | * | |
7641 | * This routine is the lock free version of the API invoked to allocate a | |
7642 | * completion-queue event from the free pool. | |
7643 | * | |
7644 | * Return: Pointer to the newly allocated completion-queue event if successful | |
7645 | * NULL otherwise. | |
7646 | **/ | |
7647 | struct lpfc_cq_event * | |
7648 | __lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba) | |
7649 | { | |
7650 | struct lpfc_cq_event *cq_event = NULL; | |
7651 | ||
7652 | list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event, | |
7653 | struct lpfc_cq_event, list); | |
7654 | return cq_event; | |
7655 | } | |
7656 | ||
7657 | /** | |
7658 | * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool | |
7659 | * @phba: pointer to lpfc hba data structure. | |
7660 | * | |
7661 | * This routine is the lock version of the API invoked to allocate a | |
7662 | * completion-queue event from the free pool. | |
7663 | * | |
7664 | * Return: Pointer to the newly allocated completion-queue event if successful | |
7665 | * NULL otherwise. | |
7666 | **/ | |
7667 | struct lpfc_cq_event * | |
7668 | lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba) | |
7669 | { | |
7670 | struct lpfc_cq_event *cq_event; | |
7671 | unsigned long iflags; | |
7672 | ||
7673 | spin_lock_irqsave(&phba->hbalock, iflags); | |
7674 | cq_event = __lpfc_sli4_cq_event_alloc(phba); | |
7675 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
7676 | return cq_event; | |
7677 | } | |
7678 | ||
7679 | /** | |
7680 | * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool | |
7681 | * @phba: pointer to lpfc hba data structure. | |
7682 | * @cq_event: pointer to the completion queue event to be freed. | |
7683 | * | |
7684 | * This routine is the lock free version of the API invoked to release a | |
7685 | * completion-queue event back into the free pool. | |
7686 | **/ | |
7687 | void | |
7688 | __lpfc_sli4_cq_event_release(struct lpfc_hba *phba, | |
7689 | struct lpfc_cq_event *cq_event) | |
7690 | { | |
7691 | list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool); | |
7692 | } | |
7693 | ||
7694 | /** | |
7695 | * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool | |
7696 | * @phba: pointer to lpfc hba data structure. | |
7697 | * @cq_event: pointer to the completion queue event to be freed. | |
7698 | * | |
7699 | * This routine is the lock version of the API invoked to release a | |
7700 | * completion-queue event back into the free pool. | |
7701 | **/ | |
7702 | void | |
7703 | lpfc_sli4_cq_event_release(struct lpfc_hba *phba, | |
7704 | struct lpfc_cq_event *cq_event) | |
7705 | { | |
7706 | unsigned long iflags; | |
7707 | spin_lock_irqsave(&phba->hbalock, iflags); | |
7708 | __lpfc_sli4_cq_event_release(phba, cq_event); | |
7709 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
7710 | } | |
7711 | ||
7712 | /** | |
7713 | * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool | |
7714 | * @phba: pointer to lpfc hba data structure. | |
7715 | * | |
7716 | * This routine is to free all the pending completion-queue events to the | |
7717 | * back into the free pool for device reset. | |
7718 | **/ | |
7719 | static void | |
7720 | lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba) | |
7721 | { | |
7722 | LIST_HEAD(cqelist); | |
7723 | struct lpfc_cq_event *cqe; | |
7724 | unsigned long iflags; | |
7725 | ||
7726 | /* Retrieve all the pending WCQEs from pending WCQE lists */ | |
7727 | spin_lock_irqsave(&phba->hbalock, iflags); | |
7728 | /* Pending FCP XRI abort events */ | |
7729 | list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue, | |
7730 | &cqelist); | |
7731 | /* Pending ELS XRI abort events */ | |
7732 | list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue, | |
7733 | &cqelist); | |
7734 | /* Pending asynnc events */ | |
7735 | list_splice_init(&phba->sli4_hba.sp_asynce_work_queue, | |
7736 | &cqelist); | |
7737 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
7738 | ||
7739 | while (!list_empty(&cqelist)) { | |
7740 | list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list); | |
7741 | lpfc_sli4_cq_event_release(phba, cqe); | |
7742 | } | |
7743 | } | |
7744 | ||
7745 | /** | |
7746 | * lpfc_pci_function_reset - Reset pci function. | |
7747 | * @phba: pointer to lpfc hba data structure. | |
7748 | * | |
7749 | * This routine is invoked to request a PCI function reset. It will destroys | |
7750 | * all resources assigned to the PCI function which originates this request. | |
7751 | * | |
7752 | * Return codes | |
af901ca1 | 7753 | * 0 - successful |
25985edc | 7754 | * -ENOMEM - No available memory |
d439d286 | 7755 | * -EIO - The mailbox failed to complete successfully. |
da0436e9 JS |
7756 | **/ |
7757 | int | |
7758 | lpfc_pci_function_reset(struct lpfc_hba *phba) | |
7759 | { | |
7760 | LPFC_MBOXQ_t *mboxq; | |
2fcee4bf | 7761 | uint32_t rc = 0, if_type; |
da0436e9 | 7762 | uint32_t shdr_status, shdr_add_status; |
2fcee4bf | 7763 | uint32_t rdy_chk, num_resets = 0, reset_again = 0; |
da0436e9 | 7764 | union lpfc_sli4_cfg_shdr *shdr; |
2fcee4bf | 7765 | struct lpfc_register reg_data; |
2b81f942 | 7766 | uint16_t devid; |
da0436e9 | 7767 | |
2fcee4bf JS |
7768 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
7769 | switch (if_type) { | |
7770 | case LPFC_SLI_INTF_IF_TYPE_0: | |
7771 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, | |
7772 | GFP_KERNEL); | |
7773 | if (!mboxq) { | |
7774 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7775 | "0494 Unable to allocate memory for " | |
7776 | "issuing SLI_FUNCTION_RESET mailbox " | |
7777 | "command\n"); | |
7778 | return -ENOMEM; | |
7779 | } | |
da0436e9 | 7780 | |
2fcee4bf JS |
7781 | /* Setup PCI function reset mailbox-ioctl command */ |
7782 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
7783 | LPFC_MBOX_OPCODE_FUNCTION_RESET, 0, | |
7784 | LPFC_SLI4_MBX_EMBED); | |
7785 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7786 | shdr = (union lpfc_sli4_cfg_shdr *) | |
7787 | &mboxq->u.mqe.un.sli4_config.header.cfg_shdr; | |
7788 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
7789 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
7790 | &shdr->response); | |
7791 | if (rc != MBX_TIMEOUT) | |
7792 | mempool_free(mboxq, phba->mbox_mem_pool); | |
7793 | if (shdr_status || shdr_add_status || rc) { | |
7794 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7795 | "0495 SLI_FUNCTION_RESET mailbox " | |
7796 | "failed with status x%x add_status x%x," | |
7797 | " mbx status x%x\n", | |
7798 | shdr_status, shdr_add_status, rc); | |
7799 | rc = -ENXIO; | |
7800 | } | |
7801 | break; | |
7802 | case LPFC_SLI_INTF_IF_TYPE_2: | |
7803 | for (num_resets = 0; | |
7804 | num_resets < MAX_IF_TYPE_2_RESETS; | |
7805 | num_resets++) { | |
7806 | reg_data.word0 = 0; | |
7807 | bf_set(lpfc_sliport_ctrl_end, ®_data, | |
7808 | LPFC_SLIPORT_LITTLE_ENDIAN); | |
7809 | bf_set(lpfc_sliport_ctrl_ip, ®_data, | |
7810 | LPFC_SLIPORT_INIT_PORT); | |
7811 | writel(reg_data.word0, phba->sli4_hba.u.if_type2. | |
7812 | CTRLregaddr); | |
8fcb8acd | 7813 | /* flush */ |
2b81f942 JS |
7814 | pci_read_config_word(phba->pcidev, |
7815 | PCI_DEVICE_ID, &devid); | |
2fcee4bf JS |
7816 | /* |
7817 | * Poll the Port Status Register and wait for RDY for | |
7818 | * up to 10 seconds. If the port doesn't respond, treat | |
7819 | * it as an error. If the port responds with RN, start | |
7820 | * the loop again. | |
7821 | */ | |
7822 | for (rdy_chk = 0; rdy_chk < 1000; rdy_chk++) { | |
73d91e50 | 7823 | msleep(10); |
9940b97b JS |
7824 | if (lpfc_readl(phba->sli4_hba.u.if_type2. |
7825 | STATUSregaddr, ®_data.word0)) { | |
7826 | rc = -ENODEV; | |
73d91e50 | 7827 | goto out; |
9940b97b | 7828 | } |
6b5151fd | 7829 | if (bf_get(lpfc_sliport_status_rn, ®_data)) |
2fcee4bf | 7830 | reset_again++; |
6b5151fd | 7831 | if (bf_get(lpfc_sliport_status_rdy, ®_data)) |
2fcee4bf | 7832 | break; |
2fcee4bf JS |
7833 | } |
7834 | ||
7835 | /* | |
7836 | * If the port responds to the init request with | |
7837 | * reset needed, delay for a bit and restart the loop. | |
7838 | */ | |
6b5151fd | 7839 | if (reset_again && (rdy_chk < 1000)) { |
2fcee4bf JS |
7840 | msleep(10); |
7841 | reset_again = 0; | |
7842 | continue; | |
7843 | } | |
7844 | ||
7845 | /* Detect any port errors. */ | |
2fcee4bf JS |
7846 | if ((bf_get(lpfc_sliport_status_err, ®_data)) || |
7847 | (rdy_chk >= 1000)) { | |
7848 | phba->work_status[0] = readl( | |
7849 | phba->sli4_hba.u.if_type2.ERR1regaddr); | |
7850 | phba->work_status[1] = readl( | |
7851 | phba->sli4_hba.u.if_type2.ERR2regaddr); | |
7852 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8fcb8acd | 7853 | "2890 Port error detected during port " |
8a9d2e80 JS |
7854 | "reset(%d): wait_tmo:%d ms, " |
7855 | "port status reg 0x%x, " | |
2fcee4bf | 7856 | "error 1=0x%x, error 2=0x%x\n", |
8a9d2e80 JS |
7857 | num_resets, rdy_chk*10, |
7858 | reg_data.word0, | |
2fcee4bf JS |
7859 | phba->work_status[0], |
7860 | phba->work_status[1]); | |
7861 | rc = -ENODEV; | |
7862 | } | |
7863 | ||
7864 | /* | |
7865 | * Terminate the outer loop provided the Port indicated | |
7866 | * ready within 10 seconds. | |
7867 | */ | |
7868 | if (rdy_chk < 1000) | |
7869 | break; | |
7870 | } | |
0558056c JS |
7871 | /* delay driver action following IF_TYPE_2 function reset */ |
7872 | msleep(100); | |
2fcee4bf JS |
7873 | break; |
7874 | case LPFC_SLI_INTF_IF_TYPE_1: | |
7875 | default: | |
7876 | break; | |
da0436e9 | 7877 | } |
2fcee4bf | 7878 | |
73d91e50 | 7879 | out: |
2fcee4bf | 7880 | /* Catch the not-ready port failure after a port reset. */ |
229adb0e JS |
7881 | if (num_resets >= MAX_IF_TYPE_2_RESETS) { |
7882 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7883 | "3317 HBA not functional: IP Reset Failed " | |
7884 | "after (%d) retries, try: " | |
7885 | "echo fw_reset > board_mode\n", num_resets); | |
2fcee4bf | 7886 | rc = -ENODEV; |
229adb0e | 7887 | } |
2fcee4bf | 7888 | |
da0436e9 JS |
7889 | return rc; |
7890 | } | |
7891 | ||
da0436e9 JS |
7892 | /** |
7893 | * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space. | |
7894 | * @phba: pointer to lpfc hba data structure. | |
7895 | * | |
7896 | * This routine is invoked to set up the PCI device memory space for device | |
7897 | * with SLI-4 interface spec. | |
7898 | * | |
7899 | * Return codes | |
af901ca1 | 7900 | * 0 - successful |
da0436e9 JS |
7901 | * other values - error |
7902 | **/ | |
7903 | static int | |
7904 | lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) | |
7905 | { | |
7906 | struct pci_dev *pdev; | |
7907 | unsigned long bar0map_len, bar1map_len, bar2map_len; | |
7908 | int error = -ENODEV; | |
2fcee4bf | 7909 | uint32_t if_type; |
da0436e9 JS |
7910 | |
7911 | /* Obtain PCI device reference */ | |
7912 | if (!phba->pcidev) | |
7913 | return error; | |
7914 | else | |
7915 | pdev = phba->pcidev; | |
7916 | ||
7917 | /* Set the device DMA mask size */ | |
8e68597d MR |
7918 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0 |
7919 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) { | |
7920 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0 | |
7921 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) { | |
da0436e9 | 7922 | return error; |
8e68597d MR |
7923 | } |
7924 | } | |
da0436e9 | 7925 | |
2fcee4bf JS |
7926 | /* |
7927 | * The BARs and register set definitions and offset locations are | |
7928 | * dependent on the if_type. | |
7929 | */ | |
7930 | if (pci_read_config_dword(pdev, LPFC_SLI_INTF, | |
7931 | &phba->sli4_hba.sli_intf.word0)) { | |
7932 | return error; | |
7933 | } | |
7934 | ||
7935 | /* There is no SLI3 failback for SLI4 devices. */ | |
7936 | if (bf_get(lpfc_sli_intf_valid, &phba->sli4_hba.sli_intf) != | |
7937 | LPFC_SLI_INTF_VALID) { | |
7938 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7939 | "2894 SLI_INTF reg contents invalid " | |
7940 | "sli_intf reg 0x%x\n", | |
7941 | phba->sli4_hba.sli_intf.word0); | |
7942 | return error; | |
7943 | } | |
7944 | ||
7945 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
7946 | /* | |
7947 | * Get the bus address of SLI4 device Bar regions and the | |
7948 | * number of bytes required by each mapping. The mapping of the | |
7949 | * particular PCI BARs regions is dependent on the type of | |
7950 | * SLI4 device. | |
da0436e9 | 7951 | */ |
1dfb5a47 JS |
7952 | if (pci_resource_start(pdev, 0)) { |
7953 | phba->pci_bar0_map = pci_resource_start(pdev, 0); | |
7954 | bar0map_len = pci_resource_len(pdev, 0); | |
2fcee4bf JS |
7955 | |
7956 | /* | |
7957 | * Map SLI4 PCI Config Space Register base to a kernel virtual | |
7958 | * addr | |
7959 | */ | |
7960 | phba->sli4_hba.conf_regs_memmap_p = | |
7961 | ioremap(phba->pci_bar0_map, bar0map_len); | |
7962 | if (!phba->sli4_hba.conf_regs_memmap_p) { | |
7963 | dev_printk(KERN_ERR, &pdev->dev, | |
7964 | "ioremap failed for SLI4 PCI config " | |
7965 | "registers.\n"); | |
7966 | goto out; | |
7967 | } | |
7968 | /* Set up BAR0 PCI config space register memory map */ | |
7969 | lpfc_sli4_bar0_register_memmap(phba, if_type); | |
1dfb5a47 JS |
7970 | } else { |
7971 | phba->pci_bar0_map = pci_resource_start(pdev, 1); | |
7972 | bar0map_len = pci_resource_len(pdev, 1); | |
2fcee4bf JS |
7973 | if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { |
7974 | dev_printk(KERN_ERR, &pdev->dev, | |
7975 | "FATAL - No BAR0 mapping for SLI4, if_type 2\n"); | |
7976 | goto out; | |
7977 | } | |
7978 | phba->sli4_hba.conf_regs_memmap_p = | |
da0436e9 | 7979 | ioremap(phba->pci_bar0_map, bar0map_len); |
2fcee4bf JS |
7980 | if (!phba->sli4_hba.conf_regs_memmap_p) { |
7981 | dev_printk(KERN_ERR, &pdev->dev, | |
7982 | "ioremap failed for SLI4 PCI config " | |
7983 | "registers.\n"); | |
7984 | goto out; | |
7985 | } | |
7986 | lpfc_sli4_bar0_register_memmap(phba, if_type); | |
da0436e9 JS |
7987 | } |
7988 | ||
c31098ce JS |
7989 | if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) && |
7990 | (pci_resource_start(pdev, 2))) { | |
2fcee4bf JS |
7991 | /* |
7992 | * Map SLI4 if type 0 HBA Control Register base to a kernel | |
7993 | * virtual address and setup the registers. | |
7994 | */ | |
7995 | phba->pci_bar1_map = pci_resource_start(pdev, 2); | |
7996 | bar1map_len = pci_resource_len(pdev, 2); | |
7997 | phba->sli4_hba.ctrl_regs_memmap_p = | |
da0436e9 | 7998 | ioremap(phba->pci_bar1_map, bar1map_len); |
2fcee4bf JS |
7999 | if (!phba->sli4_hba.ctrl_regs_memmap_p) { |
8000 | dev_printk(KERN_ERR, &pdev->dev, | |
da0436e9 | 8001 | "ioremap failed for SLI4 HBA control registers.\n"); |
2fcee4bf JS |
8002 | goto out_iounmap_conf; |
8003 | } | |
8004 | lpfc_sli4_bar1_register_memmap(phba); | |
da0436e9 JS |
8005 | } |
8006 | ||
c31098ce JS |
8007 | if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) && |
8008 | (pci_resource_start(pdev, 4))) { | |
2fcee4bf JS |
8009 | /* |
8010 | * Map SLI4 if type 0 HBA Doorbell Register base to a kernel | |
8011 | * virtual address and setup the registers. | |
8012 | */ | |
8013 | phba->pci_bar2_map = pci_resource_start(pdev, 4); | |
8014 | bar2map_len = pci_resource_len(pdev, 4); | |
8015 | phba->sli4_hba.drbl_regs_memmap_p = | |
da0436e9 | 8016 | ioremap(phba->pci_bar2_map, bar2map_len); |
2fcee4bf JS |
8017 | if (!phba->sli4_hba.drbl_regs_memmap_p) { |
8018 | dev_printk(KERN_ERR, &pdev->dev, | |
da0436e9 | 8019 | "ioremap failed for SLI4 HBA doorbell registers.\n"); |
2fcee4bf JS |
8020 | goto out_iounmap_ctrl; |
8021 | } | |
8022 | error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0); | |
8023 | if (error) | |
8024 | goto out_iounmap_all; | |
da0436e9 JS |
8025 | } |
8026 | ||
da0436e9 JS |
8027 | return 0; |
8028 | ||
8029 | out_iounmap_all: | |
8030 | iounmap(phba->sli4_hba.drbl_regs_memmap_p); | |
8031 | out_iounmap_ctrl: | |
8032 | iounmap(phba->sli4_hba.ctrl_regs_memmap_p); | |
8033 | out_iounmap_conf: | |
8034 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
8035 | out: | |
8036 | return error; | |
8037 | } | |
8038 | ||
8039 | /** | |
8040 | * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space. | |
8041 | * @phba: pointer to lpfc hba data structure. | |
8042 | * | |
8043 | * This routine is invoked to unset the PCI device memory space for device | |
8044 | * with SLI-4 interface spec. | |
8045 | **/ | |
8046 | static void | |
8047 | lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba) | |
8048 | { | |
2e90f4b5 JS |
8049 | uint32_t if_type; |
8050 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
da0436e9 | 8051 | |
2e90f4b5 JS |
8052 | switch (if_type) { |
8053 | case LPFC_SLI_INTF_IF_TYPE_0: | |
8054 | iounmap(phba->sli4_hba.drbl_regs_memmap_p); | |
8055 | iounmap(phba->sli4_hba.ctrl_regs_memmap_p); | |
8056 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
8057 | break; | |
8058 | case LPFC_SLI_INTF_IF_TYPE_2: | |
8059 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
8060 | break; | |
8061 | case LPFC_SLI_INTF_IF_TYPE_1: | |
8062 | default: | |
8063 | dev_printk(KERN_ERR, &phba->pcidev->dev, | |
8064 | "FATAL - unsupported SLI4 interface type - %d\n", | |
8065 | if_type); | |
8066 | break; | |
8067 | } | |
da0436e9 JS |
8068 | } |
8069 | ||
8070 | /** | |
8071 | * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device | |
8072 | * @phba: pointer to lpfc hba data structure. | |
8073 | * | |
8074 | * This routine is invoked to enable the MSI-X interrupt vectors to device | |
8075 | * with SLI-3 interface specs. The kernel function pci_enable_msix() is | |
8076 | * called to enable the MSI-X vectors. Note that pci_enable_msix(), once | |
8077 | * invoked, enables either all or nothing, depending on the current | |
8078 | * availability of PCI vector resources. The device driver is responsible | |
8079 | * for calling the individual request_irq() to register each MSI-X vector | |
8080 | * with a interrupt handler, which is done in this function. Note that | |
8081 | * later when device is unloading, the driver should always call free_irq() | |
8082 | * on all MSI-X vectors it has done request_irq() on before calling | |
8083 | * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device | |
8084 | * will be left with MSI-X enabled and leaks its vectors. | |
8085 | * | |
8086 | * Return codes | |
af901ca1 | 8087 | * 0 - successful |
da0436e9 JS |
8088 | * other values - error |
8089 | **/ | |
8090 | static int | |
8091 | lpfc_sli_enable_msix(struct lpfc_hba *phba) | |
8092 | { | |
8093 | int rc, i; | |
8094 | LPFC_MBOXQ_t *pmb; | |
8095 | ||
8096 | /* Set up MSI-X multi-message vectors */ | |
8097 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
8098 | phba->msix_entries[i].entry = i; | |
8099 | ||
8100 | /* Configure MSI-X capability structure */ | |
8101 | rc = pci_enable_msix(phba->pcidev, phba->msix_entries, | |
8102 | ARRAY_SIZE(phba->msix_entries)); | |
8103 | if (rc) { | |
8104 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8105 | "0420 PCI enable MSI-X failed (%d)\n", rc); | |
8106 | goto msi_fail_out; | |
8107 | } | |
8108 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
8109 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8110 | "0477 MSI-X entry[%d]: vector=x%x " | |
8111 | "message=%d\n", i, | |
8112 | phba->msix_entries[i].vector, | |
8113 | phba->msix_entries[i].entry); | |
8114 | /* | |
8115 | * Assign MSI-X vectors to interrupt handlers | |
8116 | */ | |
8117 | ||
8118 | /* vector-0 is associated to slow-path handler */ | |
8119 | rc = request_irq(phba->msix_entries[0].vector, | |
8120 | &lpfc_sli_sp_intr_handler, IRQF_SHARED, | |
8121 | LPFC_SP_DRIVER_HANDLER_NAME, phba); | |
8122 | if (rc) { | |
8123 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
8124 | "0421 MSI-X slow-path request_irq failed " | |
8125 | "(%d)\n", rc); | |
8126 | goto msi_fail_out; | |
8127 | } | |
8128 | ||
8129 | /* vector-1 is associated to fast-path handler */ | |
8130 | rc = request_irq(phba->msix_entries[1].vector, | |
8131 | &lpfc_sli_fp_intr_handler, IRQF_SHARED, | |
8132 | LPFC_FP_DRIVER_HANDLER_NAME, phba); | |
8133 | ||
8134 | if (rc) { | |
8135 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
8136 | "0429 MSI-X fast-path request_irq failed " | |
8137 | "(%d)\n", rc); | |
8138 | goto irq_fail_out; | |
8139 | } | |
8140 | ||
8141 | /* | |
8142 | * Configure HBA MSI-X attention conditions to messages | |
8143 | */ | |
8144 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
8145 | ||
8146 | if (!pmb) { | |
8147 | rc = -ENOMEM; | |
8148 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8149 | "0474 Unable to allocate memory for issuing " | |
8150 | "MBOX_CONFIG_MSI command\n"); | |
8151 | goto mem_fail_out; | |
8152 | } | |
8153 | rc = lpfc_config_msi(phba, pmb); | |
8154 | if (rc) | |
8155 | goto mbx_fail_out; | |
8156 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
8157 | if (rc != MBX_SUCCESS) { | |
8158 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, | |
8159 | "0351 Config MSI mailbox command failed, " | |
8160 | "mbxCmd x%x, mbxStatus x%x\n", | |
8161 | pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus); | |
8162 | goto mbx_fail_out; | |
8163 | } | |
8164 | ||
8165 | /* Free memory allocated for mailbox command */ | |
8166 | mempool_free(pmb, phba->mbox_mem_pool); | |
8167 | return rc; | |
8168 | ||
8169 | mbx_fail_out: | |
8170 | /* Free memory allocated for mailbox command */ | |
8171 | mempool_free(pmb, phba->mbox_mem_pool); | |
8172 | ||
8173 | mem_fail_out: | |
8174 | /* free the irq already requested */ | |
8175 | free_irq(phba->msix_entries[1].vector, phba); | |
8176 | ||
8177 | irq_fail_out: | |
8178 | /* free the irq already requested */ | |
8179 | free_irq(phba->msix_entries[0].vector, phba); | |
8180 | ||
8181 | msi_fail_out: | |
8182 | /* Unconfigure MSI-X capability structure */ | |
8183 | pci_disable_msix(phba->pcidev); | |
8184 | return rc; | |
8185 | } | |
8186 | ||
8187 | /** | |
8188 | * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device. | |
8189 | * @phba: pointer to lpfc hba data structure. | |
8190 | * | |
8191 | * This routine is invoked to release the MSI-X vectors and then disable the | |
8192 | * MSI-X interrupt mode to device with SLI-3 interface spec. | |
8193 | **/ | |
8194 | static void | |
8195 | lpfc_sli_disable_msix(struct lpfc_hba *phba) | |
8196 | { | |
8197 | int i; | |
8198 | ||
8199 | /* Free up MSI-X multi-message vectors */ | |
8200 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
8201 | free_irq(phba->msix_entries[i].vector, phba); | |
8202 | /* Disable MSI-X */ | |
8203 | pci_disable_msix(phba->pcidev); | |
8204 | ||
8205 | return; | |
8206 | } | |
8207 | ||
8208 | /** | |
8209 | * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device. | |
8210 | * @phba: pointer to lpfc hba data structure. | |
8211 | * | |
8212 | * This routine is invoked to enable the MSI interrupt mode to device with | |
8213 | * SLI-3 interface spec. The kernel function pci_enable_msi() is called to | |
8214 | * enable the MSI vector. The device driver is responsible for calling the | |
8215 | * request_irq() to register MSI vector with a interrupt the handler, which | |
8216 | * is done in this function. | |
8217 | * | |
8218 | * Return codes | |
af901ca1 | 8219 | * 0 - successful |
da0436e9 JS |
8220 | * other values - error |
8221 | */ | |
8222 | static int | |
8223 | lpfc_sli_enable_msi(struct lpfc_hba *phba) | |
8224 | { | |
8225 | int rc; | |
8226 | ||
8227 | rc = pci_enable_msi(phba->pcidev); | |
8228 | if (!rc) | |
8229 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8230 | "0462 PCI enable MSI mode success.\n"); | |
8231 | else { | |
8232 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8233 | "0471 PCI enable MSI mode failed (%d)\n", rc); | |
8234 | return rc; | |
8235 | } | |
8236 | ||
8237 | rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler, | |
8238 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
8239 | if (rc) { | |
8240 | pci_disable_msi(phba->pcidev); | |
8241 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
8242 | "0478 MSI request_irq failed (%d)\n", rc); | |
8243 | } | |
8244 | return rc; | |
8245 | } | |
8246 | ||
8247 | /** | |
8248 | * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device. | |
8249 | * @phba: pointer to lpfc hba data structure. | |
8250 | * | |
8251 | * This routine is invoked to disable the MSI interrupt mode to device with | |
8252 | * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has | |
8253 | * done request_irq() on before calling pci_disable_msi(). Failure to do so | |
8254 | * results in a BUG_ON() and a device will be left with MSI enabled and leaks | |
8255 | * its vector. | |
8256 | */ | |
8257 | static void | |
8258 | lpfc_sli_disable_msi(struct lpfc_hba *phba) | |
8259 | { | |
8260 | free_irq(phba->pcidev->irq, phba); | |
8261 | pci_disable_msi(phba->pcidev); | |
8262 | return; | |
8263 | } | |
8264 | ||
8265 | /** | |
8266 | * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device. | |
8267 | * @phba: pointer to lpfc hba data structure. | |
8268 | * | |
8269 | * This routine is invoked to enable device interrupt and associate driver's | |
8270 | * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface | |
8271 | * spec. Depends on the interrupt mode configured to the driver, the driver | |
8272 | * will try to fallback from the configured interrupt mode to an interrupt | |
8273 | * mode which is supported by the platform, kernel, and device in the order | |
8274 | * of: | |
8275 | * MSI-X -> MSI -> IRQ. | |
8276 | * | |
8277 | * Return codes | |
af901ca1 | 8278 | * 0 - successful |
da0436e9 JS |
8279 | * other values - error |
8280 | **/ | |
8281 | static uint32_t | |
8282 | lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) | |
8283 | { | |
8284 | uint32_t intr_mode = LPFC_INTR_ERROR; | |
8285 | int retval; | |
8286 | ||
8287 | if (cfg_mode == 2) { | |
8288 | /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */ | |
8289 | retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3); | |
8290 | if (!retval) { | |
8291 | /* Now, try to enable MSI-X interrupt mode */ | |
8292 | retval = lpfc_sli_enable_msix(phba); | |
8293 | if (!retval) { | |
8294 | /* Indicate initialization to MSI-X mode */ | |
8295 | phba->intr_type = MSIX; | |
8296 | intr_mode = 2; | |
8297 | } | |
8298 | } | |
8299 | } | |
8300 | ||
8301 | /* Fallback to MSI if MSI-X initialization failed */ | |
8302 | if (cfg_mode >= 1 && phba->intr_type == NONE) { | |
8303 | retval = lpfc_sli_enable_msi(phba); | |
8304 | if (!retval) { | |
8305 | /* Indicate initialization to MSI mode */ | |
8306 | phba->intr_type = MSI; | |
8307 | intr_mode = 1; | |
8308 | } | |
8309 | } | |
8310 | ||
8311 | /* Fallback to INTx if both MSI-X/MSI initalization failed */ | |
8312 | if (phba->intr_type == NONE) { | |
8313 | retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler, | |
8314 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
8315 | if (!retval) { | |
8316 | /* Indicate initialization to INTx mode */ | |
8317 | phba->intr_type = INTx; | |
8318 | intr_mode = 0; | |
8319 | } | |
8320 | } | |
8321 | return intr_mode; | |
8322 | } | |
8323 | ||
8324 | /** | |
8325 | * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device. | |
8326 | * @phba: pointer to lpfc hba data structure. | |
8327 | * | |
8328 | * This routine is invoked to disable device interrupt and disassociate the | |
8329 | * driver's interrupt handler(s) from interrupt vector(s) to device with | |
8330 | * SLI-3 interface spec. Depending on the interrupt mode, the driver will | |
8331 | * release the interrupt vector(s) for the message signaled interrupt. | |
8332 | **/ | |
8333 | static void | |
8334 | lpfc_sli_disable_intr(struct lpfc_hba *phba) | |
8335 | { | |
8336 | /* Disable the currently initialized interrupt mode */ | |
8337 | if (phba->intr_type == MSIX) | |
8338 | lpfc_sli_disable_msix(phba); | |
8339 | else if (phba->intr_type == MSI) | |
8340 | lpfc_sli_disable_msi(phba); | |
8341 | else if (phba->intr_type == INTx) | |
8342 | free_irq(phba->pcidev->irq, phba); | |
8343 | ||
8344 | /* Reset interrupt management states */ | |
8345 | phba->intr_type = NONE; | |
8346 | phba->sli.slistat.sli_intr = 0; | |
8347 | ||
8348 | return; | |
8349 | } | |
8350 | ||
7bb03bbf JS |
8351 | /** |
8352 | * lpfc_find_next_cpu - Find next available CPU that matches the phys_id | |
8353 | * @phba: pointer to lpfc hba data structure. | |
8354 | * | |
8355 | * Find next available CPU to use for IRQ to CPU affinity. | |
8356 | */ | |
8357 | static int | |
8358 | lpfc_find_next_cpu(struct lpfc_hba *phba, uint32_t phys_id) | |
8359 | { | |
8360 | struct lpfc_vector_map_info *cpup; | |
8361 | int cpu; | |
8362 | ||
8363 | cpup = phba->sli4_hba.cpu_map; | |
8364 | for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) { | |
8365 | /* CPU must be online */ | |
8366 | if (cpu_online(cpu)) { | |
8367 | if ((cpup->irq == LPFC_VECTOR_MAP_EMPTY) && | |
8368 | (lpfc_used_cpu[cpu] == LPFC_VECTOR_MAP_EMPTY) && | |
8369 | (cpup->phys_id == phys_id)) { | |
8370 | return cpu; | |
8371 | } | |
8372 | } | |
8373 | cpup++; | |
8374 | } | |
8375 | ||
8376 | /* | |
8377 | * If we get here, we have used ALL CPUs for the specific | |
8378 | * phys_id. Now we need to clear out lpfc_used_cpu and start | |
8379 | * reusing CPUs. | |
8380 | */ | |
8381 | ||
8382 | for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) { | |
8383 | if (lpfc_used_cpu[cpu] == phys_id) | |
8384 | lpfc_used_cpu[cpu] = LPFC_VECTOR_MAP_EMPTY; | |
8385 | } | |
8386 | ||
8387 | cpup = phba->sli4_hba.cpu_map; | |
8388 | for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) { | |
8389 | /* CPU must be online */ | |
8390 | if (cpu_online(cpu)) { | |
8391 | if ((cpup->irq == LPFC_VECTOR_MAP_EMPTY) && | |
8392 | (cpup->phys_id == phys_id)) { | |
8393 | return cpu; | |
8394 | } | |
8395 | } | |
8396 | cpup++; | |
8397 | } | |
8398 | return LPFC_VECTOR_MAP_EMPTY; | |
8399 | } | |
8400 | ||
8401 | /** | |
8402 | * lpfc_sli4_set_affinity - Set affinity for HBA IRQ vectors | |
8403 | * @phba: pointer to lpfc hba data structure. | |
8404 | * @vectors: number of HBA vectors | |
8405 | * | |
8406 | * Affinitize MSIX IRQ vectors to CPUs. Try to equally spread vector | |
8407 | * affinization across multple physical CPUs (numa nodes). | |
8408 | * In addition, this routine will assign an IO channel for each CPU | |
8409 | * to use when issuing I/Os. | |
8410 | */ | |
8411 | static int | |
8412 | lpfc_sli4_set_affinity(struct lpfc_hba *phba, int vectors) | |
8413 | { | |
8414 | int i, idx, saved_chann, used_chann, cpu, phys_id; | |
8415 | int max_phys_id, num_io_channel, first_cpu; | |
8416 | struct lpfc_vector_map_info *cpup; | |
8417 | #ifdef CONFIG_X86 | |
8418 | struct cpuinfo_x86 *cpuinfo; | |
8419 | #endif | |
8420 | struct cpumask *mask; | |
8421 | uint8_t chann[LPFC_FCP_IO_CHAN_MAX+1]; | |
8422 | ||
8423 | /* If there is no mapping, just return */ | |
8424 | if (!phba->cfg_fcp_cpu_map) | |
8425 | return 1; | |
8426 | ||
8427 | /* Init cpu_map array */ | |
8428 | memset(phba->sli4_hba.cpu_map, 0xff, | |
8429 | (sizeof(struct lpfc_vector_map_info) * | |
8430 | phba->sli4_hba.num_present_cpu)); | |
8431 | ||
8432 | max_phys_id = 0; | |
8433 | phys_id = 0; | |
8434 | num_io_channel = 0; | |
8435 | first_cpu = LPFC_VECTOR_MAP_EMPTY; | |
8436 | ||
8437 | /* Update CPU map with physical id and core id of each CPU */ | |
8438 | cpup = phba->sli4_hba.cpu_map; | |
8439 | for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) { | |
8440 | #ifdef CONFIG_X86 | |
8441 | cpuinfo = &cpu_data(cpu); | |
8442 | cpup->phys_id = cpuinfo->phys_proc_id; | |
8443 | cpup->core_id = cpuinfo->cpu_core_id; | |
8444 | #else | |
8445 | /* No distinction between CPUs for other platforms */ | |
8446 | cpup->phys_id = 0; | |
8447 | cpup->core_id = 0; | |
8448 | #endif | |
8449 | ||
8450 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8451 | "3328 CPU physid %d coreid %d\n", | |
8452 | cpup->phys_id, cpup->core_id); | |
8453 | ||
8454 | if (cpup->phys_id > max_phys_id) | |
8455 | max_phys_id = cpup->phys_id; | |
8456 | cpup++; | |
8457 | } | |
8458 | ||
8459 | /* Now associate the HBA vectors with specific CPUs */ | |
8460 | for (idx = 0; idx < vectors; idx++) { | |
8461 | cpup = phba->sli4_hba.cpu_map; | |
8462 | cpu = lpfc_find_next_cpu(phba, phys_id); | |
8463 | if (cpu == LPFC_VECTOR_MAP_EMPTY) { | |
8464 | ||
8465 | /* Try for all phys_id's */ | |
8466 | for (i = 1; i < max_phys_id; i++) { | |
8467 | phys_id++; | |
8468 | if (phys_id > max_phys_id) | |
8469 | phys_id = 0; | |
8470 | cpu = lpfc_find_next_cpu(phba, phys_id); | |
8471 | if (cpu == LPFC_VECTOR_MAP_EMPTY) | |
8472 | continue; | |
8473 | goto found; | |
8474 | } | |
8475 | ||
8476 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8477 | "3329 Cannot set affinity:" | |
8478 | "Error mapping vector %d (%d)\n", | |
8479 | idx, vectors); | |
8480 | return 0; | |
8481 | } | |
8482 | found: | |
8483 | cpup += cpu; | |
8484 | if (phba->cfg_fcp_cpu_map == LPFC_DRIVER_CPU_MAP) | |
8485 | lpfc_used_cpu[cpu] = phys_id; | |
8486 | ||
8487 | /* Associate vector with selected CPU */ | |
8488 | cpup->irq = phba->sli4_hba.msix_entries[idx].vector; | |
8489 | ||
8490 | /* Associate IO channel with selected CPU */ | |
8491 | cpup->channel_id = idx; | |
8492 | num_io_channel++; | |
8493 | ||
8494 | if (first_cpu == LPFC_VECTOR_MAP_EMPTY) | |
8495 | first_cpu = cpu; | |
8496 | ||
8497 | /* Now affinitize to the selected CPU */ | |
8498 | mask = &cpup->maskbits; | |
8499 | cpumask_clear(mask); | |
8500 | cpumask_set_cpu(cpu, mask); | |
8501 | i = irq_set_affinity_hint(phba->sli4_hba.msix_entries[idx]. | |
8502 | vector, mask); | |
8503 | ||
8504 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8505 | "3330 Set Affinity: CPU %d channel %d " | |
8506 | "irq %d (%x)\n", | |
8507 | cpu, cpup->channel_id, | |
8508 | phba->sli4_hba.msix_entries[idx].vector, i); | |
8509 | ||
8510 | /* Spread vector mapping across multple physical CPU nodes */ | |
8511 | phys_id++; | |
8512 | if (phys_id > max_phys_id) | |
8513 | phys_id = 0; | |
8514 | } | |
8515 | ||
8516 | /* | |
8517 | * Finally fill in the IO channel for any remaining CPUs. | |
8518 | * At this point, all IO channels have been assigned to a specific | |
8519 | * MSIx vector, mapped to a specific CPU. | |
8520 | * Base the remaining IO channel assigned, to IO channels already | |
8521 | * assigned to other CPUs on the same phys_id. | |
8522 | */ | |
8523 | for (i = 0; i <= max_phys_id; i++) { | |
8524 | /* | |
8525 | * If there are no io channels already mapped to | |
8526 | * this phys_id, just round robin thru the io_channels. | |
8527 | * Setup chann[] for round robin. | |
8528 | */ | |
8529 | for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) | |
8530 | chann[idx] = idx; | |
8531 | ||
8532 | saved_chann = 0; | |
8533 | used_chann = 0; | |
8534 | ||
8535 | /* | |
8536 | * First build a list of IO channels already assigned | |
8537 | * to this phys_id before reassigning the same IO | |
8538 | * channels to the remaining CPUs. | |
8539 | */ | |
8540 | cpup = phba->sli4_hba.cpu_map; | |
8541 | cpu = first_cpu; | |
8542 | cpup += cpu; | |
8543 | for (idx = 0; idx < phba->sli4_hba.num_present_cpu; | |
8544 | idx++) { | |
8545 | if (cpup->phys_id == i) { | |
8546 | /* | |
8547 | * Save any IO channels that are | |
8548 | * already mapped to this phys_id. | |
8549 | */ | |
8550 | if (cpup->irq != LPFC_VECTOR_MAP_EMPTY) { | |
8551 | chann[saved_chann] = | |
8552 | cpup->channel_id; | |
8553 | saved_chann++; | |
8554 | goto out; | |
8555 | } | |
8556 | ||
8557 | /* See if we are using round-robin */ | |
8558 | if (saved_chann == 0) | |
8559 | saved_chann = | |
8560 | phba->cfg_fcp_io_channel; | |
8561 | ||
8562 | /* Associate next IO channel with CPU */ | |
8563 | cpup->channel_id = chann[used_chann]; | |
8564 | num_io_channel++; | |
8565 | used_chann++; | |
8566 | if (used_chann == saved_chann) | |
8567 | used_chann = 0; | |
8568 | ||
8569 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8570 | "3331 Set IO_CHANN " | |
8571 | "CPU %d channel %d\n", | |
8572 | idx, cpup->channel_id); | |
8573 | } | |
8574 | out: | |
8575 | cpu++; | |
8576 | if (cpu >= phba->sli4_hba.num_present_cpu) { | |
8577 | cpup = phba->sli4_hba.cpu_map; | |
8578 | cpu = 0; | |
8579 | } else { | |
8580 | cpup++; | |
8581 | } | |
8582 | } | |
8583 | } | |
8584 | ||
8585 | if (phba->sli4_hba.num_online_cpu != phba->sli4_hba.num_present_cpu) { | |
8586 | cpup = phba->sli4_hba.cpu_map; | |
8587 | for (idx = 0; idx < phba->sli4_hba.num_present_cpu; idx++) { | |
8588 | if (cpup->channel_id == LPFC_VECTOR_MAP_EMPTY) { | |
8589 | cpup->channel_id = 0; | |
8590 | num_io_channel++; | |
8591 | ||
8592 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8593 | "3332 Assign IO_CHANN " | |
8594 | "CPU %d channel %d\n", | |
8595 | idx, cpup->channel_id); | |
8596 | } | |
8597 | cpup++; | |
8598 | } | |
8599 | } | |
8600 | ||
8601 | /* Sanity check */ | |
8602 | if (num_io_channel != phba->sli4_hba.num_present_cpu) | |
8603 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8604 | "3333 Set affinity mismatch:" | |
8605 | "%d chann != %d cpus: %d vactors\n", | |
8606 | num_io_channel, phba->sli4_hba.num_present_cpu, | |
8607 | vectors); | |
8608 | ||
8609 | phba->cfg_fcp_io_sched = LPFC_FCP_SCHED_BY_CPU; | |
8610 | return 1; | |
8611 | } | |
8612 | ||
8613 | ||
da0436e9 JS |
8614 | /** |
8615 | * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device | |
8616 | * @phba: pointer to lpfc hba data structure. | |
8617 | * | |
8618 | * This routine is invoked to enable the MSI-X interrupt vectors to device | |
8619 | * with SLI-4 interface spec. The kernel function pci_enable_msix() is called | |
8620 | * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked, | |
8621 | * enables either all or nothing, depending on the current availability of | |
8622 | * PCI vector resources. The device driver is responsible for calling the | |
8623 | * individual request_irq() to register each MSI-X vector with a interrupt | |
8624 | * handler, which is done in this function. Note that later when device is | |
8625 | * unloading, the driver should always call free_irq() on all MSI-X vectors | |
8626 | * it has done request_irq() on before calling pci_disable_msix(). Failure | |
8627 | * to do so results in a BUG_ON() and a device will be left with MSI-X | |
8628 | * enabled and leaks its vectors. | |
8629 | * | |
8630 | * Return codes | |
af901ca1 | 8631 | * 0 - successful |
da0436e9 JS |
8632 | * other values - error |
8633 | **/ | |
8634 | static int | |
8635 | lpfc_sli4_enable_msix(struct lpfc_hba *phba) | |
8636 | { | |
75baf696 | 8637 | int vectors, rc, index; |
da0436e9 JS |
8638 | |
8639 | /* Set up MSI-X multi-message vectors */ | |
82c3e9ba | 8640 | for (index = 0; index < phba->cfg_fcp_io_channel; index++) |
da0436e9 JS |
8641 | phba->sli4_hba.msix_entries[index].entry = index; |
8642 | ||
8643 | /* Configure MSI-X capability structure */ | |
82c3e9ba | 8644 | vectors = phba->cfg_fcp_io_channel; |
75baf696 | 8645 | enable_msix_vectors: |
da0436e9 | 8646 | rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries, |
75baf696 JS |
8647 | vectors); |
8648 | if (rc > 1) { | |
8649 | vectors = rc; | |
8650 | goto enable_msix_vectors; | |
8651 | } else if (rc) { | |
da0436e9 JS |
8652 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
8653 | "0484 PCI enable MSI-X failed (%d)\n", rc); | |
8654 | goto msi_fail_out; | |
8655 | } | |
75baf696 | 8656 | |
da0436e9 | 8657 | /* Log MSI-X vector assignment */ |
75baf696 | 8658 | for (index = 0; index < vectors; index++) |
da0436e9 JS |
8659 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
8660 | "0489 MSI-X entry[%d]: vector=x%x " | |
8661 | "message=%d\n", index, | |
8662 | phba->sli4_hba.msix_entries[index].vector, | |
8663 | phba->sli4_hba.msix_entries[index].entry); | |
67d12733 | 8664 | |
7bb03bbf | 8665 | /* Assign MSI-X vectors to interrupt handlers */ |
67d12733 | 8666 | for (index = 0; index < vectors; index++) { |
4305f183 JS |
8667 | memset(&phba->sli4_hba.handler_name[index], 0, 16); |
8668 | sprintf((char *)&phba->sli4_hba.handler_name[index], | |
8669 | LPFC_DRIVER_HANDLER_NAME"%d", index); | |
da0436e9 | 8670 | |
67d12733 JS |
8671 | phba->sli4_hba.fcp_eq_hdl[index].idx = index; |
8672 | phba->sli4_hba.fcp_eq_hdl[index].phba = phba; | |
ba20c853 | 8673 | atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].fcp_eq_in_use, 1); |
da0436e9 | 8674 | rc = request_irq(phba->sli4_hba.msix_entries[index].vector, |
67d12733 | 8675 | &lpfc_sli4_hba_intr_handler, IRQF_SHARED, |
4305f183 | 8676 | (char *)&phba->sli4_hba.handler_name[index], |
67d12733 | 8677 | &phba->sli4_hba.fcp_eq_hdl[index]); |
da0436e9 JS |
8678 | if (rc) { |
8679 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
8680 | "0486 MSI-X fast-path (%d) " | |
8681 | "request_irq failed (%d)\n", index, rc); | |
8682 | goto cfg_fail_out; | |
8683 | } | |
8684 | } | |
8685 | ||
82c3e9ba JS |
8686 | if (vectors != phba->cfg_fcp_io_channel) { |
8687 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8688 | "3238 Reducing IO channels to match number of " | |
8689 | "MSI-X vectors, requested %d got %d\n", | |
8690 | phba->cfg_fcp_io_channel, vectors); | |
8691 | phba->cfg_fcp_io_channel = vectors; | |
8692 | } | |
7bb03bbf JS |
8693 | |
8694 | lpfc_sli4_set_affinity(phba, vectors); | |
da0436e9 JS |
8695 | return rc; |
8696 | ||
8697 | cfg_fail_out: | |
8698 | /* free the irq already requested */ | |
67d12733 JS |
8699 | for (--index; index >= 0; index--) |
8700 | free_irq(phba->sli4_hba.msix_entries[index].vector, | |
8701 | &phba->sli4_hba.fcp_eq_hdl[index]); | |
da0436e9 JS |
8702 | |
8703 | msi_fail_out: | |
8704 | /* Unconfigure MSI-X capability structure */ | |
8705 | pci_disable_msix(phba->pcidev); | |
8706 | return rc; | |
8707 | } | |
8708 | ||
8709 | /** | |
8710 | * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device | |
8711 | * @phba: pointer to lpfc hba data structure. | |
8712 | * | |
8713 | * This routine is invoked to release the MSI-X vectors and then disable the | |
8714 | * MSI-X interrupt mode to device with SLI-4 interface spec. | |
8715 | **/ | |
8716 | static void | |
8717 | lpfc_sli4_disable_msix(struct lpfc_hba *phba) | |
8718 | { | |
8719 | int index; | |
8720 | ||
8721 | /* Free up MSI-X multi-message vectors */ | |
82c3e9ba | 8722 | for (index = 0; index < phba->cfg_fcp_io_channel; index++) |
da0436e9 | 8723 | free_irq(phba->sli4_hba.msix_entries[index].vector, |
67d12733 | 8724 | &phba->sli4_hba.fcp_eq_hdl[index]); |
75baf696 | 8725 | |
da0436e9 JS |
8726 | /* Disable MSI-X */ |
8727 | pci_disable_msix(phba->pcidev); | |
8728 | ||
8729 | return; | |
8730 | } | |
8731 | ||
8732 | /** | |
8733 | * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device | |
8734 | * @phba: pointer to lpfc hba data structure. | |
8735 | * | |
8736 | * This routine is invoked to enable the MSI interrupt mode to device with | |
8737 | * SLI-4 interface spec. The kernel function pci_enable_msi() is called | |
8738 | * to enable the MSI vector. The device driver is responsible for calling | |
8739 | * the request_irq() to register MSI vector with a interrupt the handler, | |
8740 | * which is done in this function. | |
8741 | * | |
8742 | * Return codes | |
af901ca1 | 8743 | * 0 - successful |
da0436e9 JS |
8744 | * other values - error |
8745 | **/ | |
8746 | static int | |
8747 | lpfc_sli4_enable_msi(struct lpfc_hba *phba) | |
8748 | { | |
8749 | int rc, index; | |
8750 | ||
8751 | rc = pci_enable_msi(phba->pcidev); | |
8752 | if (!rc) | |
8753 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8754 | "0487 PCI enable MSI mode success.\n"); | |
8755 | else { | |
8756 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8757 | "0488 PCI enable MSI mode failed (%d)\n", rc); | |
8758 | return rc; | |
8759 | } | |
8760 | ||
8761 | rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler, | |
8762 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
8763 | if (rc) { | |
8764 | pci_disable_msi(phba->pcidev); | |
8765 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
8766 | "0490 MSI request_irq failed (%d)\n", rc); | |
75baf696 | 8767 | return rc; |
da0436e9 JS |
8768 | } |
8769 | ||
67d12733 | 8770 | for (index = 0; index < phba->cfg_fcp_io_channel; index++) { |
da0436e9 JS |
8771 | phba->sli4_hba.fcp_eq_hdl[index].idx = index; |
8772 | phba->sli4_hba.fcp_eq_hdl[index].phba = phba; | |
8773 | } | |
8774 | ||
75baf696 | 8775 | return 0; |
da0436e9 JS |
8776 | } |
8777 | ||
8778 | /** | |
8779 | * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device | |
8780 | * @phba: pointer to lpfc hba data structure. | |
8781 | * | |
8782 | * This routine is invoked to disable the MSI interrupt mode to device with | |
8783 | * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has | |
8784 | * done request_irq() on before calling pci_disable_msi(). Failure to do so | |
8785 | * results in a BUG_ON() and a device will be left with MSI enabled and leaks | |
8786 | * its vector. | |
8787 | **/ | |
8788 | static void | |
8789 | lpfc_sli4_disable_msi(struct lpfc_hba *phba) | |
8790 | { | |
8791 | free_irq(phba->pcidev->irq, phba); | |
8792 | pci_disable_msi(phba->pcidev); | |
8793 | return; | |
8794 | } | |
8795 | ||
8796 | /** | |
8797 | * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device | |
8798 | * @phba: pointer to lpfc hba data structure. | |
8799 | * | |
8800 | * This routine is invoked to enable device interrupt and associate driver's | |
8801 | * interrupt handler(s) to interrupt vector(s) to device with SLI-4 | |
8802 | * interface spec. Depends on the interrupt mode configured to the driver, | |
8803 | * the driver will try to fallback from the configured interrupt mode to an | |
8804 | * interrupt mode which is supported by the platform, kernel, and device in | |
8805 | * the order of: | |
8806 | * MSI-X -> MSI -> IRQ. | |
8807 | * | |
8808 | * Return codes | |
af901ca1 | 8809 | * 0 - successful |
da0436e9 JS |
8810 | * other values - error |
8811 | **/ | |
8812 | static uint32_t | |
8813 | lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) | |
8814 | { | |
8815 | uint32_t intr_mode = LPFC_INTR_ERROR; | |
8816 | int retval, index; | |
8817 | ||
8818 | if (cfg_mode == 2) { | |
8819 | /* Preparation before conf_msi mbox cmd */ | |
8820 | retval = 0; | |
8821 | if (!retval) { | |
8822 | /* Now, try to enable MSI-X interrupt mode */ | |
8823 | retval = lpfc_sli4_enable_msix(phba); | |
8824 | if (!retval) { | |
8825 | /* Indicate initialization to MSI-X mode */ | |
8826 | phba->intr_type = MSIX; | |
8827 | intr_mode = 2; | |
8828 | } | |
8829 | } | |
8830 | } | |
8831 | ||
8832 | /* Fallback to MSI if MSI-X initialization failed */ | |
8833 | if (cfg_mode >= 1 && phba->intr_type == NONE) { | |
8834 | retval = lpfc_sli4_enable_msi(phba); | |
8835 | if (!retval) { | |
8836 | /* Indicate initialization to MSI mode */ | |
8837 | phba->intr_type = MSI; | |
8838 | intr_mode = 1; | |
8839 | } | |
8840 | } | |
8841 | ||
8842 | /* Fallback to INTx if both MSI-X/MSI initalization failed */ | |
8843 | if (phba->intr_type == NONE) { | |
8844 | retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler, | |
8845 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
8846 | if (!retval) { | |
8847 | /* Indicate initialization to INTx mode */ | |
8848 | phba->intr_type = INTx; | |
8849 | intr_mode = 0; | |
67d12733 | 8850 | for (index = 0; index < phba->cfg_fcp_io_channel; |
da0436e9 JS |
8851 | index++) { |
8852 | phba->sli4_hba.fcp_eq_hdl[index].idx = index; | |
8853 | phba->sli4_hba.fcp_eq_hdl[index].phba = phba; | |
ba20c853 JS |
8854 | atomic_set(&phba->sli4_hba.fcp_eq_hdl[index]. |
8855 | fcp_eq_in_use, 1); | |
da0436e9 JS |
8856 | } |
8857 | } | |
8858 | } | |
8859 | return intr_mode; | |
8860 | } | |
8861 | ||
8862 | /** | |
8863 | * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device | |
8864 | * @phba: pointer to lpfc hba data structure. | |
8865 | * | |
8866 | * This routine is invoked to disable device interrupt and disassociate | |
8867 | * the driver's interrupt handler(s) from interrupt vector(s) to device | |
8868 | * with SLI-4 interface spec. Depending on the interrupt mode, the driver | |
8869 | * will release the interrupt vector(s) for the message signaled interrupt. | |
8870 | **/ | |
8871 | static void | |
8872 | lpfc_sli4_disable_intr(struct lpfc_hba *phba) | |
8873 | { | |
8874 | /* Disable the currently initialized interrupt mode */ | |
8875 | if (phba->intr_type == MSIX) | |
8876 | lpfc_sli4_disable_msix(phba); | |
8877 | else if (phba->intr_type == MSI) | |
8878 | lpfc_sli4_disable_msi(phba); | |
8879 | else if (phba->intr_type == INTx) | |
8880 | free_irq(phba->pcidev->irq, phba); | |
8881 | ||
8882 | /* Reset interrupt management states */ | |
8883 | phba->intr_type = NONE; | |
8884 | phba->sli.slistat.sli_intr = 0; | |
8885 | ||
8886 | return; | |
8887 | } | |
8888 | ||
8889 | /** | |
8890 | * lpfc_unset_hba - Unset SLI3 hba device initialization | |
8891 | * @phba: pointer to lpfc hba data structure. | |
8892 | * | |
8893 | * This routine is invoked to unset the HBA device initialization steps to | |
8894 | * a device with SLI-3 interface spec. | |
8895 | **/ | |
8896 | static void | |
8897 | lpfc_unset_hba(struct lpfc_hba *phba) | |
8898 | { | |
8899 | struct lpfc_vport *vport = phba->pport; | |
8900 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
8901 | ||
8902 | spin_lock_irq(shost->host_lock); | |
8903 | vport->load_flag |= FC_UNLOADING; | |
8904 | spin_unlock_irq(shost->host_lock); | |
8905 | ||
72859909 JS |
8906 | kfree(phba->vpi_bmask); |
8907 | kfree(phba->vpi_ids); | |
8908 | ||
da0436e9 JS |
8909 | lpfc_stop_hba_timers(phba); |
8910 | ||
8911 | phba->pport->work_port_events = 0; | |
8912 | ||
8913 | lpfc_sli_hba_down(phba); | |
8914 | ||
8915 | lpfc_sli_brdrestart(phba); | |
8916 | ||
8917 | lpfc_sli_disable_intr(phba); | |
8918 | ||
8919 | return; | |
8920 | } | |
8921 | ||
5af5eee7 JS |
8922 | /** |
8923 | * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy | |
8924 | * @phba: Pointer to HBA context object. | |
8925 | * | |
8926 | * This function is called in the SLI4 code path to wait for completion | |
8927 | * of device's XRIs exchange busy. It will check the XRI exchange busy | |
8928 | * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after | |
8929 | * that, it will check the XRI exchange busy on outstanding FCP and ELS | |
8930 | * I/Os every 30 seconds, log error message, and wait forever. Only when | |
8931 | * all XRI exchange busy complete, the driver unload shall proceed with | |
8932 | * invoking the function reset ioctl mailbox command to the CNA and the | |
8933 | * the rest of the driver unload resource release. | |
8934 | **/ | |
8935 | static void | |
8936 | lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba) | |
8937 | { | |
8938 | int wait_time = 0; | |
8939 | int fcp_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list); | |
8940 | int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list); | |
8941 | ||
8942 | while (!fcp_xri_cmpl || !els_xri_cmpl) { | |
8943 | if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) { | |
8944 | if (!fcp_xri_cmpl) | |
8945 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8946 | "2877 FCP XRI exchange busy " | |
8947 | "wait time: %d seconds.\n", | |
8948 | wait_time/1000); | |
8949 | if (!els_xri_cmpl) | |
8950 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8951 | "2878 ELS XRI exchange busy " | |
8952 | "wait time: %d seconds.\n", | |
8953 | wait_time/1000); | |
8954 | msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2); | |
8955 | wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2; | |
8956 | } else { | |
8957 | msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1); | |
8958 | wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1; | |
8959 | } | |
8960 | fcp_xri_cmpl = | |
8961 | list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list); | |
8962 | els_xri_cmpl = | |
8963 | list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list); | |
8964 | } | |
8965 | } | |
8966 | ||
da0436e9 JS |
8967 | /** |
8968 | * lpfc_sli4_hba_unset - Unset the fcoe hba | |
8969 | * @phba: Pointer to HBA context object. | |
8970 | * | |
8971 | * This function is called in the SLI4 code path to reset the HBA's FCoE | |
8972 | * function. The caller is not required to hold any lock. This routine | |
8973 | * issues PCI function reset mailbox command to reset the FCoE function. | |
8974 | * At the end of the function, it calls lpfc_hba_down_post function to | |
8975 | * free any pending commands. | |
8976 | **/ | |
8977 | static void | |
8978 | lpfc_sli4_hba_unset(struct lpfc_hba *phba) | |
8979 | { | |
8980 | int wait_cnt = 0; | |
8981 | LPFC_MBOXQ_t *mboxq; | |
912e3acd | 8982 | struct pci_dev *pdev = phba->pcidev; |
da0436e9 JS |
8983 | |
8984 | lpfc_stop_hba_timers(phba); | |
8985 | phba->sli4_hba.intr_enable = 0; | |
8986 | ||
8987 | /* | |
8988 | * Gracefully wait out the potential current outstanding asynchronous | |
8989 | * mailbox command. | |
8990 | */ | |
8991 | ||
8992 | /* First, block any pending async mailbox command from posted */ | |
8993 | spin_lock_irq(&phba->hbalock); | |
8994 | phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; | |
8995 | spin_unlock_irq(&phba->hbalock); | |
8996 | /* Now, trying to wait it out if we can */ | |
8997 | while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
8998 | msleep(10); | |
8999 | if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT) | |
9000 | break; | |
9001 | } | |
9002 | /* Forcefully release the outstanding mailbox command if timed out */ | |
9003 | if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
9004 | spin_lock_irq(&phba->hbalock); | |
9005 | mboxq = phba->sli.mbox_active; | |
9006 | mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED; | |
9007 | __lpfc_mbox_cmpl_put(phba, mboxq); | |
9008 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
9009 | phba->sli.mbox_active = NULL; | |
9010 | spin_unlock_irq(&phba->hbalock); | |
9011 | } | |
9012 | ||
5af5eee7 JS |
9013 | /* Abort all iocbs associated with the hba */ |
9014 | lpfc_sli_hba_iocb_abort(phba); | |
9015 | ||
9016 | /* Wait for completion of device XRI exchange busy */ | |
9017 | lpfc_sli4_xri_exchange_busy_wait(phba); | |
9018 | ||
da0436e9 JS |
9019 | /* Disable PCI subsystem interrupt */ |
9020 | lpfc_sli4_disable_intr(phba); | |
9021 | ||
912e3acd JS |
9022 | /* Disable SR-IOV if enabled */ |
9023 | if (phba->cfg_sriov_nr_virtfn) | |
9024 | pci_disable_sriov(pdev); | |
9025 | ||
da0436e9 JS |
9026 | /* Stop kthread signal shall trigger work_done one more time */ |
9027 | kthread_stop(phba->worker_thread); | |
9028 | ||
3677a3a7 JS |
9029 | /* Reset SLI4 HBA FCoE function */ |
9030 | lpfc_pci_function_reset(phba); | |
5350d872 | 9031 | lpfc_sli4_queue_destroy(phba); |
3677a3a7 | 9032 | |
da0436e9 JS |
9033 | /* Stop the SLI4 device port */ |
9034 | phba->pport->work_port_events = 0; | |
9035 | } | |
9036 | ||
28baac74 JS |
9037 | /** |
9038 | * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities. | |
9039 | * @phba: Pointer to HBA context object. | |
9040 | * @mboxq: Pointer to the mailboxq memory for the mailbox command response. | |
9041 | * | |
9042 | * This function is called in the SLI4 code path to read the port's | |
9043 | * sli4 capabilities. | |
9044 | * | |
9045 | * This function may be be called from any context that can block-wait | |
9046 | * for the completion. The expectation is that this routine is called | |
9047 | * typically from probe_one or from the online routine. | |
9048 | **/ | |
9049 | int | |
9050 | lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
9051 | { | |
9052 | int rc; | |
9053 | struct lpfc_mqe *mqe; | |
9054 | struct lpfc_pc_sli4_params *sli4_params; | |
9055 | uint32_t mbox_tmo; | |
9056 | ||
9057 | rc = 0; | |
9058 | mqe = &mboxq->u.mqe; | |
9059 | ||
9060 | /* Read the port's SLI4 Parameters port capabilities */ | |
fedd3b7b | 9061 | lpfc_pc_sli4_params(mboxq); |
28baac74 JS |
9062 | if (!phba->sli4_hba.intr_enable) |
9063 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
9064 | else { | |
a183a15f | 9065 | mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); |
28baac74 JS |
9066 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); |
9067 | } | |
9068 | ||
9069 | if (unlikely(rc)) | |
9070 | return 1; | |
9071 | ||
9072 | sli4_params = &phba->sli4_hba.pc_sli4_params; | |
9073 | sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params); | |
9074 | sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params); | |
9075 | sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params); | |
9076 | sli4_params->featurelevel_1 = bf_get(featurelevel_1, | |
9077 | &mqe->un.sli4_params); | |
9078 | sli4_params->featurelevel_2 = bf_get(featurelevel_2, | |
9079 | &mqe->un.sli4_params); | |
9080 | sli4_params->proto_types = mqe->un.sli4_params.word3; | |
9081 | sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len; | |
9082 | sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params); | |
9083 | sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params); | |
9084 | sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params); | |
9085 | sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params); | |
9086 | sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params); | |
9087 | sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params); | |
9088 | sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params); | |
9089 | sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params); | |
9090 | sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params); | |
9091 | sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params); | |
9092 | sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params); | |
9093 | sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params); | |
9094 | sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params); | |
9095 | sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params); | |
9096 | sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params); | |
9097 | sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params); | |
9098 | sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params); | |
9099 | sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params); | |
9100 | sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params); | |
0558056c JS |
9101 | |
9102 | /* Make sure that sge_supp_len can be handled by the driver */ | |
9103 | if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE) | |
9104 | sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE; | |
9105 | ||
28baac74 JS |
9106 | return rc; |
9107 | } | |
9108 | ||
fedd3b7b JS |
9109 | /** |
9110 | * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS. | |
9111 | * @phba: Pointer to HBA context object. | |
9112 | * @mboxq: Pointer to the mailboxq memory for the mailbox command response. | |
9113 | * | |
9114 | * This function is called in the SLI4 code path to read the port's | |
9115 | * sli4 capabilities. | |
9116 | * | |
9117 | * This function may be be called from any context that can block-wait | |
9118 | * for the completion. The expectation is that this routine is called | |
9119 | * typically from probe_one or from the online routine. | |
9120 | **/ | |
9121 | int | |
9122 | lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
9123 | { | |
9124 | int rc; | |
9125 | struct lpfc_mqe *mqe = &mboxq->u.mqe; | |
9126 | struct lpfc_pc_sli4_params *sli4_params; | |
a183a15f | 9127 | uint32_t mbox_tmo; |
fedd3b7b JS |
9128 | int length; |
9129 | struct lpfc_sli4_parameters *mbx_sli4_parameters; | |
9130 | ||
6d368e53 JS |
9131 | /* |
9132 | * By default, the driver assumes the SLI4 port requires RPI | |
9133 | * header postings. The SLI4_PARAM response will correct this | |
9134 | * assumption. | |
9135 | */ | |
9136 | phba->sli4_hba.rpi_hdrs_in_use = 1; | |
9137 | ||
fedd3b7b JS |
9138 | /* Read the port's SLI4 Config Parameters */ |
9139 | length = (sizeof(struct lpfc_mbx_get_sli4_parameters) - | |
9140 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
9141 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
9142 | LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS, | |
9143 | length, LPFC_SLI4_MBX_EMBED); | |
9144 | if (!phba->sli4_hba.intr_enable) | |
9145 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
a183a15f JS |
9146 | else { |
9147 | mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); | |
9148 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); | |
9149 | } | |
fedd3b7b JS |
9150 | if (unlikely(rc)) |
9151 | return rc; | |
9152 | sli4_params = &phba->sli4_hba.pc_sli4_params; | |
9153 | mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters; | |
9154 | sli4_params->if_type = bf_get(cfg_if_type, mbx_sli4_parameters); | |
9155 | sli4_params->sli_rev = bf_get(cfg_sli_rev, mbx_sli4_parameters); | |
9156 | sli4_params->sli_family = bf_get(cfg_sli_family, mbx_sli4_parameters); | |
9157 | sli4_params->featurelevel_1 = bf_get(cfg_sli_hint_1, | |
9158 | mbx_sli4_parameters); | |
9159 | sli4_params->featurelevel_2 = bf_get(cfg_sli_hint_2, | |
9160 | mbx_sli4_parameters); | |
9161 | if (bf_get(cfg_phwq, mbx_sli4_parameters)) | |
9162 | phba->sli3_options |= LPFC_SLI4_PHWQ_ENABLED; | |
9163 | else | |
9164 | phba->sli3_options &= ~LPFC_SLI4_PHWQ_ENABLED; | |
9165 | sli4_params->sge_supp_len = mbx_sli4_parameters->sge_supp_len; | |
9166 | sli4_params->loopbk_scope = bf_get(loopbk_scope, mbx_sli4_parameters); | |
9167 | sli4_params->cqv = bf_get(cfg_cqv, mbx_sli4_parameters); | |
9168 | sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters); | |
9169 | sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters); | |
9170 | sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters); | |
9171 | sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt, | |
9172 | mbx_sli4_parameters); | |
9173 | sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align, | |
9174 | mbx_sli4_parameters); | |
6d368e53 JS |
9175 | phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters); |
9176 | phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters); | |
0558056c JS |
9177 | |
9178 | /* Make sure that sge_supp_len can be handled by the driver */ | |
9179 | if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE) | |
9180 | sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE; | |
9181 | ||
fedd3b7b JS |
9182 | return 0; |
9183 | } | |
9184 | ||
da0436e9 JS |
9185 | /** |
9186 | * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem. | |
9187 | * @pdev: pointer to PCI device | |
9188 | * @pid: pointer to PCI device identifier | |
9189 | * | |
9190 | * This routine is to be called to attach a device with SLI-3 interface spec | |
9191 | * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is | |
9192 | * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific | |
9193 | * information of the device and driver to see if the driver state that it can | |
9194 | * support this kind of device. If the match is successful, the driver core | |
9195 | * invokes this routine. If this routine determines it can claim the HBA, it | |
9196 | * does all the initialization that it needs to do to handle the HBA properly. | |
9197 | * | |
9198 | * Return code | |
9199 | * 0 - driver can claim the device | |
9200 | * negative value - driver can not claim the device | |
9201 | **/ | |
6f039790 | 9202 | static int |
da0436e9 JS |
9203 | lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid) |
9204 | { | |
9205 | struct lpfc_hba *phba; | |
9206 | struct lpfc_vport *vport = NULL; | |
6669f9bb | 9207 | struct Scsi_Host *shost = NULL; |
da0436e9 JS |
9208 | int error; |
9209 | uint32_t cfg_mode, intr_mode; | |
9210 | ||
9211 | /* Allocate memory for HBA structure */ | |
9212 | phba = lpfc_hba_alloc(pdev); | |
9213 | if (!phba) | |
9214 | return -ENOMEM; | |
9215 | ||
9216 | /* Perform generic PCI device enabling operation */ | |
9217 | error = lpfc_enable_pci_dev(phba); | |
079b5c91 | 9218 | if (error) |
da0436e9 | 9219 | goto out_free_phba; |
da0436e9 JS |
9220 | |
9221 | /* Set up SLI API function jump table for PCI-device group-0 HBAs */ | |
9222 | error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP); | |
9223 | if (error) | |
9224 | goto out_disable_pci_dev; | |
9225 | ||
9226 | /* Set up SLI-3 specific device PCI memory space */ | |
9227 | error = lpfc_sli_pci_mem_setup(phba); | |
9228 | if (error) { | |
9229 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9230 | "1402 Failed to set up pci memory space.\n"); | |
9231 | goto out_disable_pci_dev; | |
9232 | } | |
9233 | ||
9234 | /* Set up phase-1 common device driver resources */ | |
9235 | error = lpfc_setup_driver_resource_phase1(phba); | |
9236 | if (error) { | |
9237 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9238 | "1403 Failed to set up driver resource.\n"); | |
9239 | goto out_unset_pci_mem_s3; | |
9240 | } | |
9241 | ||
9242 | /* Set up SLI-3 specific device driver resources */ | |
9243 | error = lpfc_sli_driver_resource_setup(phba); | |
9244 | if (error) { | |
9245 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9246 | "1404 Failed to set up driver resource.\n"); | |
9247 | goto out_unset_pci_mem_s3; | |
9248 | } | |
9249 | ||
9250 | /* Initialize and populate the iocb list per host */ | |
9251 | error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT); | |
9252 | if (error) { | |
9253 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9254 | "1405 Failed to initialize iocb list.\n"); | |
9255 | goto out_unset_driver_resource_s3; | |
9256 | } | |
9257 | ||
9258 | /* Set up common device driver resources */ | |
9259 | error = lpfc_setup_driver_resource_phase2(phba); | |
9260 | if (error) { | |
9261 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9262 | "1406 Failed to set up driver resource.\n"); | |
9263 | goto out_free_iocb_list; | |
9264 | } | |
9265 | ||
079b5c91 JS |
9266 | /* Get the default values for Model Name and Description */ |
9267 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
9268 | ||
da0436e9 JS |
9269 | /* Create SCSI host to the physical port */ |
9270 | error = lpfc_create_shost(phba); | |
9271 | if (error) { | |
9272 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9273 | "1407 Failed to create scsi host.\n"); | |
9274 | goto out_unset_driver_resource; | |
9275 | } | |
9276 | ||
9277 | /* Configure sysfs attributes */ | |
9278 | vport = phba->pport; | |
9279 | error = lpfc_alloc_sysfs_attr(vport); | |
9280 | if (error) { | |
9281 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9282 | "1476 Failed to allocate sysfs attr\n"); | |
9283 | goto out_destroy_shost; | |
9284 | } | |
9285 | ||
6669f9bb | 9286 | shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */ |
da0436e9 JS |
9287 | /* Now, trying to enable interrupt and bring up the device */ |
9288 | cfg_mode = phba->cfg_use_msi; | |
9289 | while (true) { | |
9290 | /* Put device to a known state before enabling interrupt */ | |
9291 | lpfc_stop_port(phba); | |
9292 | /* Configure and enable interrupt */ | |
9293 | intr_mode = lpfc_sli_enable_intr(phba, cfg_mode); | |
9294 | if (intr_mode == LPFC_INTR_ERROR) { | |
9295 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9296 | "0431 Failed to enable interrupt.\n"); | |
9297 | error = -ENODEV; | |
9298 | goto out_free_sysfs_attr; | |
9299 | } | |
9300 | /* SLI-3 HBA setup */ | |
9301 | if (lpfc_sli_hba_setup(phba)) { | |
9302 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9303 | "1477 Failed to set up hba\n"); | |
9304 | error = -ENODEV; | |
9305 | goto out_remove_device; | |
9306 | } | |
9307 | ||
9308 | /* Wait 50ms for the interrupts of previous mailbox commands */ | |
9309 | msleep(50); | |
9310 | /* Check active interrupts on message signaled interrupts */ | |
9311 | if (intr_mode == 0 || | |
9312 | phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) { | |
9313 | /* Log the current active interrupt mode */ | |
9314 | phba->intr_mode = intr_mode; | |
9315 | lpfc_log_intr_mode(phba, intr_mode); | |
9316 | break; | |
9317 | } else { | |
9318 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
9319 | "0447 Configure interrupt mode (%d) " | |
9320 | "failed active interrupt test.\n", | |
9321 | intr_mode); | |
9322 | /* Disable the current interrupt mode */ | |
9323 | lpfc_sli_disable_intr(phba); | |
9324 | /* Try next level of interrupt mode */ | |
9325 | cfg_mode = --intr_mode; | |
9326 | } | |
9327 | } | |
9328 | ||
9329 | /* Perform post initialization setup */ | |
9330 | lpfc_post_init_setup(phba); | |
9331 | ||
9332 | /* Check if there are static vports to be created. */ | |
9333 | lpfc_create_static_vport(phba); | |
9334 | ||
9335 | return 0; | |
9336 | ||
9337 | out_remove_device: | |
9338 | lpfc_unset_hba(phba); | |
9339 | out_free_sysfs_attr: | |
9340 | lpfc_free_sysfs_attr(vport); | |
9341 | out_destroy_shost: | |
9342 | lpfc_destroy_shost(phba); | |
9343 | out_unset_driver_resource: | |
9344 | lpfc_unset_driver_resource_phase2(phba); | |
9345 | out_free_iocb_list: | |
9346 | lpfc_free_iocb_list(phba); | |
9347 | out_unset_driver_resource_s3: | |
9348 | lpfc_sli_driver_resource_unset(phba); | |
9349 | out_unset_pci_mem_s3: | |
9350 | lpfc_sli_pci_mem_unset(phba); | |
9351 | out_disable_pci_dev: | |
9352 | lpfc_disable_pci_dev(phba); | |
6669f9bb JS |
9353 | if (shost) |
9354 | scsi_host_put(shost); | |
da0436e9 JS |
9355 | out_free_phba: |
9356 | lpfc_hba_free(phba); | |
9357 | return error; | |
9358 | } | |
9359 | ||
9360 | /** | |
9361 | * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem. | |
9362 | * @pdev: pointer to PCI device | |
9363 | * | |
9364 | * This routine is to be called to disattach a device with SLI-3 interface | |
9365 | * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is | |
9366 | * removed from PCI bus, it performs all the necessary cleanup for the HBA | |
9367 | * device to be removed from the PCI subsystem properly. | |
9368 | **/ | |
6f039790 | 9369 | static void |
da0436e9 JS |
9370 | lpfc_pci_remove_one_s3(struct pci_dev *pdev) |
9371 | { | |
9372 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9373 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
9374 | struct lpfc_vport **vports; | |
9375 | struct lpfc_hba *phba = vport->phba; | |
9376 | int i; | |
9377 | int bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
9378 | ||
9379 | spin_lock_irq(&phba->hbalock); | |
9380 | vport->load_flag |= FC_UNLOADING; | |
9381 | spin_unlock_irq(&phba->hbalock); | |
9382 | ||
9383 | lpfc_free_sysfs_attr(vport); | |
9384 | ||
9385 | /* Release all the vports against this physical port */ | |
9386 | vports = lpfc_create_vport_work_array(phba); | |
9387 | if (vports != NULL) | |
587a37f6 JS |
9388 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
9389 | if (vports[i]->port_type == LPFC_PHYSICAL_PORT) | |
9390 | continue; | |
da0436e9 | 9391 | fc_vport_terminate(vports[i]->fc_vport); |
587a37f6 | 9392 | } |
da0436e9 JS |
9393 | lpfc_destroy_vport_work_array(phba, vports); |
9394 | ||
9395 | /* Remove FC host and then SCSI host with the physical port */ | |
9396 | fc_remove_host(shost); | |
9397 | scsi_remove_host(shost); | |
9398 | lpfc_cleanup(vport); | |
9399 | ||
9400 | /* | |
9401 | * Bring down the SLI Layer. This step disable all interrupts, | |
9402 | * clears the rings, discards all mailbox commands, and resets | |
9403 | * the HBA. | |
9404 | */ | |
9405 | ||
48e34d0f | 9406 | /* HBA interrupt will be disabled after this call */ |
da0436e9 JS |
9407 | lpfc_sli_hba_down(phba); |
9408 | /* Stop kthread signal shall trigger work_done one more time */ | |
9409 | kthread_stop(phba->worker_thread); | |
9410 | /* Final cleanup of txcmplq and reset the HBA */ | |
9411 | lpfc_sli_brdrestart(phba); | |
9412 | ||
72859909 JS |
9413 | kfree(phba->vpi_bmask); |
9414 | kfree(phba->vpi_ids); | |
9415 | ||
da0436e9 JS |
9416 | lpfc_stop_hba_timers(phba); |
9417 | spin_lock_irq(&phba->hbalock); | |
9418 | list_del_init(&vport->listentry); | |
9419 | spin_unlock_irq(&phba->hbalock); | |
9420 | ||
9421 | lpfc_debugfs_terminate(vport); | |
9422 | ||
912e3acd JS |
9423 | /* Disable SR-IOV if enabled */ |
9424 | if (phba->cfg_sriov_nr_virtfn) | |
9425 | pci_disable_sriov(pdev); | |
9426 | ||
da0436e9 JS |
9427 | /* Disable interrupt */ |
9428 | lpfc_sli_disable_intr(phba); | |
9429 | ||
9430 | pci_set_drvdata(pdev, NULL); | |
9431 | scsi_host_put(shost); | |
9432 | ||
9433 | /* | |
9434 | * Call scsi_free before mem_free since scsi bufs are released to their | |
9435 | * corresponding pools here. | |
9436 | */ | |
9437 | lpfc_scsi_free(phba); | |
9438 | lpfc_mem_free_all(phba); | |
9439 | ||
9440 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), | |
9441 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
9442 | ||
9443 | /* Free resources associated with SLI2 interface */ | |
9444 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
9445 | phba->slim2p.virt, phba->slim2p.phys); | |
9446 | ||
9447 | /* unmap adapter SLIM and Control Registers */ | |
9448 | iounmap(phba->ctrl_regs_memmap_p); | |
9449 | iounmap(phba->slim_memmap_p); | |
9450 | ||
9451 | lpfc_hba_free(phba); | |
9452 | ||
9453 | pci_release_selected_regions(pdev, bars); | |
9454 | pci_disable_device(pdev); | |
9455 | } | |
9456 | ||
9457 | /** | |
9458 | * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt | |
9459 | * @pdev: pointer to PCI device | |
9460 | * @msg: power management message | |
9461 | * | |
9462 | * This routine is to be called from the kernel's PCI subsystem to support | |
9463 | * system Power Management (PM) to device with SLI-3 interface spec. When | |
9464 | * PM invokes this method, it quiesces the device by stopping the driver's | |
9465 | * worker thread for the device, turning off device's interrupt and DMA, | |
9466 | * and bring the device offline. Note that as the driver implements the | |
9467 | * minimum PM requirements to a power-aware driver's PM support for the | |
9468 | * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE) | |
9469 | * to the suspend() method call will be treated as SUSPEND and the driver will | |
9470 | * fully reinitialize its device during resume() method call, the driver will | |
9471 | * set device to PCI_D3hot state in PCI config space instead of setting it | |
9472 | * according to the @msg provided by the PM. | |
9473 | * | |
9474 | * Return code | |
9475 | * 0 - driver suspended the device | |
9476 | * Error otherwise | |
9477 | **/ | |
9478 | static int | |
9479 | lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg) | |
9480 | { | |
9481 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9482 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
9483 | ||
9484 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
9485 | "0473 PCI device Power Management suspend.\n"); | |
9486 | ||
9487 | /* Bring down the device */ | |
618a5230 | 9488 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
da0436e9 JS |
9489 | lpfc_offline(phba); |
9490 | kthread_stop(phba->worker_thread); | |
9491 | ||
9492 | /* Disable interrupt from device */ | |
9493 | lpfc_sli_disable_intr(phba); | |
9494 | ||
9495 | /* Save device state to PCI config space */ | |
9496 | pci_save_state(pdev); | |
9497 | pci_set_power_state(pdev, PCI_D3hot); | |
9498 | ||
9499 | return 0; | |
9500 | } | |
9501 | ||
9502 | /** | |
9503 | * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt | |
9504 | * @pdev: pointer to PCI device | |
9505 | * | |
9506 | * This routine is to be called from the kernel's PCI subsystem to support | |
9507 | * system Power Management (PM) to device with SLI-3 interface spec. When PM | |
9508 | * invokes this method, it restores the device's PCI config space state and | |
9509 | * fully reinitializes the device and brings it online. Note that as the | |
9510 | * driver implements the minimum PM requirements to a power-aware driver's | |
9511 | * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, | |
9512 | * FREEZE) to the suspend() method call will be treated as SUSPEND and the | |
9513 | * driver will fully reinitialize its device during resume() method call, | |
9514 | * the device will be set to PCI_D0 directly in PCI config space before | |
9515 | * restoring the state. | |
9516 | * | |
9517 | * Return code | |
9518 | * 0 - driver suspended the device | |
9519 | * Error otherwise | |
9520 | **/ | |
9521 | static int | |
9522 | lpfc_pci_resume_one_s3(struct pci_dev *pdev) | |
9523 | { | |
9524 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9525 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
9526 | uint32_t intr_mode; | |
9527 | int error; | |
9528 | ||
9529 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
9530 | "0452 PCI device Power Management resume.\n"); | |
9531 | ||
9532 | /* Restore device state from PCI config space */ | |
9533 | pci_set_power_state(pdev, PCI_D0); | |
9534 | pci_restore_state(pdev); | |
0d878419 | 9535 | |
1dfb5a47 JS |
9536 | /* |
9537 | * As the new kernel behavior of pci_restore_state() API call clears | |
9538 | * device saved_state flag, need to save the restored state again. | |
9539 | */ | |
9540 | pci_save_state(pdev); | |
9541 | ||
da0436e9 JS |
9542 | if (pdev->is_busmaster) |
9543 | pci_set_master(pdev); | |
9544 | ||
9545 | /* Startup the kernel thread for this host adapter. */ | |
9546 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
9547 | "lpfc_worker_%d", phba->brd_no); | |
9548 | if (IS_ERR(phba->worker_thread)) { | |
9549 | error = PTR_ERR(phba->worker_thread); | |
9550 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9551 | "0434 PM resume failed to start worker " | |
9552 | "thread: error=x%x.\n", error); | |
9553 | return error; | |
9554 | } | |
9555 | ||
9556 | /* Configure and enable interrupt */ | |
9557 | intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode); | |
9558 | if (intr_mode == LPFC_INTR_ERROR) { | |
9559 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9560 | "0430 PM resume Failed to enable interrupt\n"); | |
9561 | return -EIO; | |
9562 | } else | |
9563 | phba->intr_mode = intr_mode; | |
9564 | ||
9565 | /* Restart HBA and bring it online */ | |
9566 | lpfc_sli_brdrestart(phba); | |
9567 | lpfc_online(phba); | |
9568 | ||
9569 | /* Log the current active interrupt mode */ | |
9570 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
9571 | ||
9572 | return 0; | |
9573 | } | |
9574 | ||
891478a2 JS |
9575 | /** |
9576 | * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover | |
9577 | * @phba: pointer to lpfc hba data structure. | |
9578 | * | |
9579 | * This routine is called to prepare the SLI3 device for PCI slot recover. It | |
e2af0d2e | 9580 | * aborts all the outstanding SCSI I/Os to the pci device. |
891478a2 JS |
9581 | **/ |
9582 | static void | |
9583 | lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba) | |
9584 | { | |
e2af0d2e JS |
9585 | struct lpfc_sli *psli = &phba->sli; |
9586 | struct lpfc_sli_ring *pring; | |
9587 | ||
891478a2 JS |
9588 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
9589 | "2723 PCI channel I/O abort preparing for recovery\n"); | |
e2af0d2e JS |
9590 | |
9591 | /* | |
9592 | * There may be errored I/Os through HBA, abort all I/Os on txcmplq | |
9593 | * and let the SCSI mid-layer to retry them to recover. | |
9594 | */ | |
9595 | pring = &psli->ring[psli->fcp_ring]; | |
9596 | lpfc_sli_abort_iocb_ring(phba, pring); | |
891478a2 JS |
9597 | } |
9598 | ||
0d878419 JS |
9599 | /** |
9600 | * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset | |
9601 | * @phba: pointer to lpfc hba data structure. | |
9602 | * | |
9603 | * This routine is called to prepare the SLI3 device for PCI slot reset. It | |
9604 | * disables the device interrupt and pci device, and aborts the internal FCP | |
9605 | * pending I/Os. | |
9606 | **/ | |
9607 | static void | |
9608 | lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba) | |
9609 | { | |
0d878419 | 9610 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
891478a2 | 9611 | "2710 PCI channel disable preparing for reset\n"); |
e2af0d2e | 9612 | |
75baf696 | 9613 | /* Block any management I/Os to the device */ |
618a5230 | 9614 | lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT); |
75baf696 | 9615 | |
e2af0d2e JS |
9616 | /* Block all SCSI devices' I/Os on the host */ |
9617 | lpfc_scsi_dev_block(phba); | |
9618 | ||
ea714f3d JS |
9619 | /* Flush all driver's outstanding SCSI I/Os as we are to reset */ |
9620 | lpfc_sli_flush_fcp_rings(phba); | |
9621 | ||
e2af0d2e JS |
9622 | /* stop all timers */ |
9623 | lpfc_stop_hba_timers(phba); | |
9624 | ||
0d878419 JS |
9625 | /* Disable interrupt and pci device */ |
9626 | lpfc_sli_disable_intr(phba); | |
9627 | pci_disable_device(phba->pcidev); | |
0d878419 JS |
9628 | } |
9629 | ||
9630 | /** | |
9631 | * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable | |
9632 | * @phba: pointer to lpfc hba data structure. | |
9633 | * | |
9634 | * This routine is called to prepare the SLI3 device for PCI slot permanently | |
9635 | * disabling. It blocks the SCSI transport layer traffic and flushes the FCP | |
9636 | * pending I/Os. | |
9637 | **/ | |
9638 | static void | |
75baf696 | 9639 | lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba) |
0d878419 JS |
9640 | { |
9641 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
891478a2 | 9642 | "2711 PCI channel permanent disable for failure\n"); |
e2af0d2e JS |
9643 | /* Block all SCSI devices' I/Os on the host */ |
9644 | lpfc_scsi_dev_block(phba); | |
9645 | ||
9646 | /* stop all timers */ | |
9647 | lpfc_stop_hba_timers(phba); | |
9648 | ||
0d878419 JS |
9649 | /* Clean up all driver's outstanding SCSI I/Os */ |
9650 | lpfc_sli_flush_fcp_rings(phba); | |
9651 | } | |
9652 | ||
da0436e9 JS |
9653 | /** |
9654 | * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error | |
9655 | * @pdev: pointer to PCI device. | |
9656 | * @state: the current PCI connection state. | |
9657 | * | |
9658 | * This routine is called from the PCI subsystem for I/O error handling to | |
9659 | * device with SLI-3 interface spec. This function is called by the PCI | |
9660 | * subsystem after a PCI bus error affecting this device has been detected. | |
9661 | * When this function is invoked, it will need to stop all the I/Os and | |
9662 | * interrupt(s) to the device. Once that is done, it will return | |
9663 | * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery | |
9664 | * as desired. | |
9665 | * | |
9666 | * Return codes | |
0d878419 | 9667 | * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link |
da0436e9 JS |
9668 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery |
9669 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
9670 | **/ | |
9671 | static pci_ers_result_t | |
9672 | lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state) | |
9673 | { | |
9674 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9675 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
da0436e9 | 9676 | |
0d878419 JS |
9677 | switch (state) { |
9678 | case pci_channel_io_normal: | |
891478a2 JS |
9679 | /* Non-fatal error, prepare for recovery */ |
9680 | lpfc_sli_prep_dev_for_recover(phba); | |
0d878419 JS |
9681 | return PCI_ERS_RESULT_CAN_RECOVER; |
9682 | case pci_channel_io_frozen: | |
9683 | /* Fatal error, prepare for slot reset */ | |
9684 | lpfc_sli_prep_dev_for_reset(phba); | |
9685 | return PCI_ERS_RESULT_NEED_RESET; | |
9686 | case pci_channel_io_perm_failure: | |
9687 | /* Permanent failure, prepare for device down */ | |
75baf696 | 9688 | lpfc_sli_prep_dev_for_perm_failure(phba); |
da0436e9 | 9689 | return PCI_ERS_RESULT_DISCONNECT; |
0d878419 JS |
9690 | default: |
9691 | /* Unknown state, prepare and request slot reset */ | |
9692 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9693 | "0472 Unknown PCI error state: x%x\n", state); | |
9694 | lpfc_sli_prep_dev_for_reset(phba); | |
9695 | return PCI_ERS_RESULT_NEED_RESET; | |
da0436e9 | 9696 | } |
da0436e9 JS |
9697 | } |
9698 | ||
9699 | /** | |
9700 | * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch. | |
9701 | * @pdev: pointer to PCI device. | |
9702 | * | |
9703 | * This routine is called from the PCI subsystem for error handling to | |
9704 | * device with SLI-3 interface spec. This is called after PCI bus has been | |
9705 | * reset to restart the PCI card from scratch, as if from a cold-boot. | |
9706 | * During the PCI subsystem error recovery, after driver returns | |
9707 | * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error | |
9708 | * recovery and then call this routine before calling the .resume method | |
9709 | * to recover the device. This function will initialize the HBA device, | |
9710 | * enable the interrupt, but it will just put the HBA to offline state | |
9711 | * without passing any I/O traffic. | |
9712 | * | |
9713 | * Return codes | |
9714 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered | |
9715 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
9716 | */ | |
9717 | static pci_ers_result_t | |
9718 | lpfc_io_slot_reset_s3(struct pci_dev *pdev) | |
9719 | { | |
9720 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9721 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
9722 | struct lpfc_sli *psli = &phba->sli; | |
9723 | uint32_t intr_mode; | |
9724 | ||
9725 | dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); | |
9726 | if (pci_enable_device_mem(pdev)) { | |
9727 | printk(KERN_ERR "lpfc: Cannot re-enable " | |
9728 | "PCI device after reset.\n"); | |
9729 | return PCI_ERS_RESULT_DISCONNECT; | |
9730 | } | |
9731 | ||
9732 | pci_restore_state(pdev); | |
1dfb5a47 JS |
9733 | |
9734 | /* | |
9735 | * As the new kernel behavior of pci_restore_state() API call clears | |
9736 | * device saved_state flag, need to save the restored state again. | |
9737 | */ | |
9738 | pci_save_state(pdev); | |
9739 | ||
da0436e9 JS |
9740 | if (pdev->is_busmaster) |
9741 | pci_set_master(pdev); | |
9742 | ||
9743 | spin_lock_irq(&phba->hbalock); | |
9744 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; | |
9745 | spin_unlock_irq(&phba->hbalock); | |
9746 | ||
9747 | /* Configure and enable interrupt */ | |
9748 | intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode); | |
9749 | if (intr_mode == LPFC_INTR_ERROR) { | |
9750 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9751 | "0427 Cannot re-enable interrupt after " | |
9752 | "slot reset.\n"); | |
9753 | return PCI_ERS_RESULT_DISCONNECT; | |
9754 | } else | |
9755 | phba->intr_mode = intr_mode; | |
9756 | ||
75baf696 | 9757 | /* Take device offline, it will perform cleanup */ |
618a5230 | 9758 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
da0436e9 JS |
9759 | lpfc_offline(phba); |
9760 | lpfc_sli_brdrestart(phba); | |
9761 | ||
9762 | /* Log the current active interrupt mode */ | |
9763 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
9764 | ||
9765 | return PCI_ERS_RESULT_RECOVERED; | |
9766 | } | |
9767 | ||
9768 | /** | |
9769 | * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device. | |
9770 | * @pdev: pointer to PCI device | |
9771 | * | |
9772 | * This routine is called from the PCI subsystem for error handling to device | |
9773 | * with SLI-3 interface spec. It is called when kernel error recovery tells | |
9774 | * the lpfc driver that it is ok to resume normal PCI operation after PCI bus | |
9775 | * error recovery. After this call, traffic can start to flow from this device | |
9776 | * again. | |
9777 | */ | |
9778 | static void | |
9779 | lpfc_io_resume_s3(struct pci_dev *pdev) | |
9780 | { | |
9781 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9782 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
3772a991 | 9783 | |
e2af0d2e | 9784 | /* Bring device online, it will be no-op for non-fatal error resume */ |
da0436e9 | 9785 | lpfc_online(phba); |
0d878419 JS |
9786 | |
9787 | /* Clean up Advanced Error Reporting (AER) if needed */ | |
9788 | if (phba->hba_flag & HBA_AER_ENABLED) | |
9789 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
da0436e9 | 9790 | } |
3772a991 | 9791 | |
da0436e9 JS |
9792 | /** |
9793 | * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve | |
9794 | * @phba: pointer to lpfc hba data structure. | |
9795 | * | |
9796 | * returns the number of ELS/CT IOCBs to reserve | |
9797 | **/ | |
9798 | int | |
9799 | lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba) | |
9800 | { | |
9801 | int max_xri = phba->sli4_hba.max_cfg_param.max_xri; | |
9802 | ||
f1126688 JS |
9803 | if (phba->sli_rev == LPFC_SLI_REV4) { |
9804 | if (max_xri <= 100) | |
6a9c52cf | 9805 | return 10; |
f1126688 | 9806 | else if (max_xri <= 256) |
6a9c52cf | 9807 | return 25; |
f1126688 | 9808 | else if (max_xri <= 512) |
6a9c52cf | 9809 | return 50; |
f1126688 | 9810 | else if (max_xri <= 1024) |
6a9c52cf | 9811 | return 100; |
8a9d2e80 | 9812 | else if (max_xri <= 1536) |
6a9c52cf | 9813 | return 150; |
8a9d2e80 JS |
9814 | else if (max_xri <= 2048) |
9815 | return 200; | |
9816 | else | |
9817 | return 250; | |
f1126688 JS |
9818 | } else |
9819 | return 0; | |
3772a991 JS |
9820 | } |
9821 | ||
52d52440 JS |
9822 | /** |
9823 | * lpfc_write_firmware - attempt to write a firmware image to the port | |
52d52440 | 9824 | * @fw: pointer to firmware image returned from request_firmware. |
ce396282 | 9825 | * @phba: pointer to lpfc hba data structure. |
52d52440 | 9826 | * |
52d52440 | 9827 | **/ |
ce396282 JS |
9828 | static void |
9829 | lpfc_write_firmware(const struct firmware *fw, void *context) | |
52d52440 | 9830 | { |
ce396282 | 9831 | struct lpfc_hba *phba = (struct lpfc_hba *)context; |
6b5151fd | 9832 | char fwrev[FW_REV_STR_SIZE]; |
ce396282 | 9833 | struct lpfc_grp_hdr *image; |
52d52440 JS |
9834 | struct list_head dma_buffer_list; |
9835 | int i, rc = 0; | |
9836 | struct lpfc_dmabuf *dmabuf, *next; | |
9837 | uint32_t offset = 0, temp_offset = 0; | |
9838 | ||
c71ab861 | 9839 | /* It can be null in no-wait mode, sanity check */ |
ce396282 JS |
9840 | if (!fw) { |
9841 | rc = -ENXIO; | |
9842 | goto out; | |
9843 | } | |
9844 | image = (struct lpfc_grp_hdr *)fw->data; | |
9845 | ||
52d52440 | 9846 | INIT_LIST_HEAD(&dma_buffer_list); |
079b5c91 JS |
9847 | if ((be32_to_cpu(image->magic_number) != LPFC_GROUP_OJECT_MAGIC_NUM) || |
9848 | (bf_get_be32(lpfc_grp_hdr_file_type, image) != | |
9849 | LPFC_FILE_TYPE_GROUP) || | |
9850 | (bf_get_be32(lpfc_grp_hdr_id, image) != LPFC_FILE_ID_GROUP) || | |
9851 | (be32_to_cpu(image->size) != fw->size)) { | |
52d52440 JS |
9852 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
9853 | "3022 Invalid FW image found. " | |
079b5c91 JS |
9854 | "Magic:%x Type:%x ID:%x\n", |
9855 | be32_to_cpu(image->magic_number), | |
9856 | bf_get_be32(lpfc_grp_hdr_file_type, image), | |
9857 | bf_get_be32(lpfc_grp_hdr_id, image)); | |
ce396282 JS |
9858 | rc = -EINVAL; |
9859 | goto release_out; | |
52d52440 JS |
9860 | } |
9861 | lpfc_decode_firmware_rev(phba, fwrev, 1); | |
88a2cfbb | 9862 | if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) { |
52d52440 | 9863 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
ce396282 | 9864 | "3023 Updating Firmware, Current Version:%s " |
52d52440 | 9865 | "New Version:%s\n", |
88a2cfbb | 9866 | fwrev, image->revision); |
52d52440 JS |
9867 | for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) { |
9868 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), | |
9869 | GFP_KERNEL); | |
9870 | if (!dmabuf) { | |
9871 | rc = -ENOMEM; | |
ce396282 | 9872 | goto release_out; |
52d52440 JS |
9873 | } |
9874 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, | |
9875 | SLI4_PAGE_SIZE, | |
9876 | &dmabuf->phys, | |
9877 | GFP_KERNEL); | |
9878 | if (!dmabuf->virt) { | |
9879 | kfree(dmabuf); | |
9880 | rc = -ENOMEM; | |
ce396282 | 9881 | goto release_out; |
52d52440 JS |
9882 | } |
9883 | list_add_tail(&dmabuf->list, &dma_buffer_list); | |
9884 | } | |
9885 | while (offset < fw->size) { | |
9886 | temp_offset = offset; | |
9887 | list_for_each_entry(dmabuf, &dma_buffer_list, list) { | |
079b5c91 | 9888 | if (temp_offset + SLI4_PAGE_SIZE > fw->size) { |
52d52440 JS |
9889 | memcpy(dmabuf->virt, |
9890 | fw->data + temp_offset, | |
079b5c91 JS |
9891 | fw->size - temp_offset); |
9892 | temp_offset = fw->size; | |
52d52440 JS |
9893 | break; |
9894 | } | |
52d52440 JS |
9895 | memcpy(dmabuf->virt, fw->data + temp_offset, |
9896 | SLI4_PAGE_SIZE); | |
88a2cfbb | 9897 | temp_offset += SLI4_PAGE_SIZE; |
52d52440 JS |
9898 | } |
9899 | rc = lpfc_wr_object(phba, &dma_buffer_list, | |
9900 | (fw->size - offset), &offset); | |
ce396282 JS |
9901 | if (rc) |
9902 | goto release_out; | |
52d52440 JS |
9903 | } |
9904 | rc = offset; | |
9905 | } | |
ce396282 JS |
9906 | |
9907 | release_out: | |
52d52440 JS |
9908 | list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) { |
9909 | list_del(&dmabuf->list); | |
9910 | dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE, | |
9911 | dmabuf->virt, dmabuf->phys); | |
9912 | kfree(dmabuf); | |
9913 | } | |
ce396282 JS |
9914 | release_firmware(fw); |
9915 | out: | |
9916 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
c71ab861 | 9917 | "3024 Firmware update done: %d.\n", rc); |
ce396282 | 9918 | return; |
52d52440 JS |
9919 | } |
9920 | ||
c71ab861 JS |
9921 | /** |
9922 | * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade | |
9923 | * @phba: pointer to lpfc hba data structure. | |
9924 | * | |
9925 | * This routine is called to perform Linux generic firmware upgrade on device | |
9926 | * that supports such feature. | |
9927 | **/ | |
9928 | int | |
9929 | lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade) | |
9930 | { | |
9931 | uint8_t file_name[ELX_MODEL_NAME_SIZE]; | |
9932 | int ret; | |
9933 | const struct firmware *fw; | |
9934 | ||
9935 | /* Only supported on SLI4 interface type 2 for now */ | |
9936 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
9937 | LPFC_SLI_INTF_IF_TYPE_2) | |
9938 | return -EPERM; | |
9939 | ||
9940 | snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp", phba->ModelName); | |
9941 | ||
9942 | if (fw_upgrade == INT_FW_UPGRADE) { | |
9943 | ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG, | |
9944 | file_name, &phba->pcidev->dev, | |
9945 | GFP_KERNEL, (void *)phba, | |
9946 | lpfc_write_firmware); | |
9947 | } else if (fw_upgrade == RUN_FW_UPGRADE) { | |
9948 | ret = request_firmware(&fw, file_name, &phba->pcidev->dev); | |
9949 | if (!ret) | |
9950 | lpfc_write_firmware(fw, (void *)phba); | |
9951 | } else { | |
9952 | ret = -EINVAL; | |
9953 | } | |
9954 | ||
9955 | return ret; | |
9956 | } | |
9957 | ||
3772a991 | 9958 | /** |
da0436e9 | 9959 | * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys |
3772a991 JS |
9960 | * @pdev: pointer to PCI device |
9961 | * @pid: pointer to PCI device identifier | |
9962 | * | |
da0436e9 JS |
9963 | * This routine is called from the kernel's PCI subsystem to device with |
9964 | * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is | |
3772a991 | 9965 | * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific |
da0436e9 JS |
9966 | * information of the device and driver to see if the driver state that it |
9967 | * can support this kind of device. If the match is successful, the driver | |
9968 | * core invokes this routine. If this routine determines it can claim the HBA, | |
9969 | * it does all the initialization that it needs to do to handle the HBA | |
9970 | * properly. | |
3772a991 JS |
9971 | * |
9972 | * Return code | |
9973 | * 0 - driver can claim the device | |
9974 | * negative value - driver can not claim the device | |
9975 | **/ | |
6f039790 | 9976 | static int |
da0436e9 | 9977 | lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) |
3772a991 JS |
9978 | { |
9979 | struct lpfc_hba *phba; | |
9980 | struct lpfc_vport *vport = NULL; | |
6669f9bb | 9981 | struct Scsi_Host *shost = NULL; |
ce396282 | 9982 | int error, ret; |
3772a991 | 9983 | uint32_t cfg_mode, intr_mode; |
67d12733 | 9984 | int adjusted_fcp_io_channel; |
3772a991 JS |
9985 | |
9986 | /* Allocate memory for HBA structure */ | |
9987 | phba = lpfc_hba_alloc(pdev); | |
9988 | if (!phba) | |
9989 | return -ENOMEM; | |
9990 | ||
9991 | /* Perform generic PCI device enabling operation */ | |
9992 | error = lpfc_enable_pci_dev(phba); | |
079b5c91 | 9993 | if (error) |
3772a991 | 9994 | goto out_free_phba; |
3772a991 | 9995 | |
da0436e9 JS |
9996 | /* Set up SLI API function jump table for PCI-device group-1 HBAs */ |
9997 | error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC); | |
3772a991 JS |
9998 | if (error) |
9999 | goto out_disable_pci_dev; | |
10000 | ||
da0436e9 JS |
10001 | /* Set up SLI-4 specific device PCI memory space */ |
10002 | error = lpfc_sli4_pci_mem_setup(phba); | |
3772a991 JS |
10003 | if (error) { |
10004 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 10005 | "1410 Failed to set up pci memory space.\n"); |
3772a991 JS |
10006 | goto out_disable_pci_dev; |
10007 | } | |
10008 | ||
10009 | /* Set up phase-1 common device driver resources */ | |
10010 | error = lpfc_setup_driver_resource_phase1(phba); | |
10011 | if (error) { | |
10012 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 JS |
10013 | "1411 Failed to set up driver resource.\n"); |
10014 | goto out_unset_pci_mem_s4; | |
3772a991 JS |
10015 | } |
10016 | ||
da0436e9 JS |
10017 | /* Set up SLI-4 Specific device driver resources */ |
10018 | error = lpfc_sli4_driver_resource_setup(phba); | |
3772a991 JS |
10019 | if (error) { |
10020 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 JS |
10021 | "1412 Failed to set up driver resource.\n"); |
10022 | goto out_unset_pci_mem_s4; | |
3772a991 JS |
10023 | } |
10024 | ||
10025 | /* Initialize and populate the iocb list per host */ | |
2a9bf3d0 JS |
10026 | |
10027 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
10028 | "2821 initialize iocb list %d.\n", | |
10029 | phba->cfg_iocb_cnt*1024); | |
10030 | error = lpfc_init_iocb_list(phba, phba->cfg_iocb_cnt*1024); | |
10031 | ||
3772a991 JS |
10032 | if (error) { |
10033 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 JS |
10034 | "1413 Failed to initialize iocb list.\n"); |
10035 | goto out_unset_driver_resource_s4; | |
3772a991 JS |
10036 | } |
10037 | ||
19ca7609 | 10038 | INIT_LIST_HEAD(&phba->active_rrq_list); |
7d791df7 | 10039 | INIT_LIST_HEAD(&phba->fcf.fcf_pri_list); |
19ca7609 | 10040 | |
3772a991 JS |
10041 | /* Set up common device driver resources */ |
10042 | error = lpfc_setup_driver_resource_phase2(phba); | |
10043 | if (error) { | |
10044 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 10045 | "1414 Failed to set up driver resource.\n"); |
3772a991 JS |
10046 | goto out_free_iocb_list; |
10047 | } | |
10048 | ||
079b5c91 JS |
10049 | /* Get the default values for Model Name and Description */ |
10050 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
10051 | ||
3772a991 JS |
10052 | /* Create SCSI host to the physical port */ |
10053 | error = lpfc_create_shost(phba); | |
10054 | if (error) { | |
10055 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 10056 | "1415 Failed to create scsi host.\n"); |
3772a991 JS |
10057 | goto out_unset_driver_resource; |
10058 | } | |
9399627f | 10059 | |
5b75da2f | 10060 | /* Configure sysfs attributes */ |
3772a991 JS |
10061 | vport = phba->pport; |
10062 | error = lpfc_alloc_sysfs_attr(vport); | |
10063 | if (error) { | |
9399627f | 10064 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
da0436e9 | 10065 | "1416 Failed to allocate sysfs attr\n"); |
3772a991 | 10066 | goto out_destroy_shost; |
98c9ea5c | 10067 | } |
875fbdfe | 10068 | |
6669f9bb | 10069 | shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */ |
3772a991 | 10070 | /* Now, trying to enable interrupt and bring up the device */ |
5b75da2f | 10071 | cfg_mode = phba->cfg_use_msi; |
5b75da2f | 10072 | |
7b15db32 JS |
10073 | /* Put device to a known state before enabling interrupt */ |
10074 | lpfc_stop_port(phba); | |
10075 | /* Configure and enable interrupt */ | |
10076 | intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode); | |
10077 | if (intr_mode == LPFC_INTR_ERROR) { | |
10078 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10079 | "0426 Failed to enable interrupt.\n"); | |
10080 | error = -ENODEV; | |
10081 | goto out_free_sysfs_attr; | |
10082 | } | |
10083 | /* Default to single EQ for non-MSI-X */ | |
10084 | if (phba->intr_type != MSIX) | |
10085 | adjusted_fcp_io_channel = 1; | |
10086 | else | |
10087 | adjusted_fcp_io_channel = phba->cfg_fcp_io_channel; | |
10088 | phba->cfg_fcp_io_channel = adjusted_fcp_io_channel; | |
10089 | /* Set up SLI-4 HBA */ | |
10090 | if (lpfc_sli4_hba_setup(phba)) { | |
10091 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10092 | "1421 Failed to set up hba\n"); | |
10093 | error = -ENODEV; | |
10094 | goto out_disable_intr; | |
98c9ea5c | 10095 | } |
858c9f6c | 10096 | |
7b15db32 JS |
10097 | /* Log the current active interrupt mode */ |
10098 | phba->intr_mode = intr_mode; | |
10099 | lpfc_log_intr_mode(phba, intr_mode); | |
10100 | ||
3772a991 JS |
10101 | /* Perform post initialization setup */ |
10102 | lpfc_post_init_setup(phba); | |
dea3101e | 10103 | |
c71ab861 JS |
10104 | /* check for firmware upgrade or downgrade */ |
10105 | if (phba->cfg_request_firmware_upgrade) | |
10106 | ret = lpfc_sli4_request_firmware_update(phba, INT_FW_UPGRADE); | |
52d52440 | 10107 | |
1c6834a7 JS |
10108 | /* Check if there are static vports to be created. */ |
10109 | lpfc_create_static_vport(phba); | |
dea3101e JB |
10110 | return 0; |
10111 | ||
da0436e9 JS |
10112 | out_disable_intr: |
10113 | lpfc_sli4_disable_intr(phba); | |
5b75da2f JS |
10114 | out_free_sysfs_attr: |
10115 | lpfc_free_sysfs_attr(vport); | |
3772a991 JS |
10116 | out_destroy_shost: |
10117 | lpfc_destroy_shost(phba); | |
10118 | out_unset_driver_resource: | |
10119 | lpfc_unset_driver_resource_phase2(phba); | |
10120 | out_free_iocb_list: | |
10121 | lpfc_free_iocb_list(phba); | |
da0436e9 JS |
10122 | out_unset_driver_resource_s4: |
10123 | lpfc_sli4_driver_resource_unset(phba); | |
10124 | out_unset_pci_mem_s4: | |
10125 | lpfc_sli4_pci_mem_unset(phba); | |
3772a991 JS |
10126 | out_disable_pci_dev: |
10127 | lpfc_disable_pci_dev(phba); | |
6669f9bb JS |
10128 | if (shost) |
10129 | scsi_host_put(shost); | |
2e0fef85 | 10130 | out_free_phba: |
3772a991 | 10131 | lpfc_hba_free(phba); |
dea3101e JB |
10132 | return error; |
10133 | } | |
10134 | ||
e59058c4 | 10135 | /** |
da0436e9 | 10136 | * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem |
e59058c4 JS |
10137 | * @pdev: pointer to PCI device |
10138 | * | |
da0436e9 JS |
10139 | * This routine is called from the kernel's PCI subsystem to device with |
10140 | * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is | |
3772a991 JS |
10141 | * removed from PCI bus, it performs all the necessary cleanup for the HBA |
10142 | * device to be removed from the PCI subsystem properly. | |
e59058c4 | 10143 | **/ |
6f039790 | 10144 | static void |
da0436e9 | 10145 | lpfc_pci_remove_one_s4(struct pci_dev *pdev) |
dea3101e | 10146 | { |
da0436e9 | 10147 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2e0fef85 | 10148 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
eada272d | 10149 | struct lpfc_vport **vports; |
da0436e9 | 10150 | struct lpfc_hba *phba = vport->phba; |
eada272d | 10151 | int i; |
8a4df120 | 10152 | |
da0436e9 | 10153 | /* Mark the device unloading flag */ |
549e55cd | 10154 | spin_lock_irq(&phba->hbalock); |
51ef4c26 | 10155 | vport->load_flag |= FC_UNLOADING; |
549e55cd | 10156 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 10157 | |
da0436e9 | 10158 | /* Free the HBA sysfs attributes */ |
858c9f6c JS |
10159 | lpfc_free_sysfs_attr(vport); |
10160 | ||
eada272d JS |
10161 | /* Release all the vports against this physical port */ |
10162 | vports = lpfc_create_vport_work_array(phba); | |
10163 | if (vports != NULL) | |
587a37f6 JS |
10164 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
10165 | if (vports[i]->port_type == LPFC_PHYSICAL_PORT) | |
10166 | continue; | |
eada272d | 10167 | fc_vport_terminate(vports[i]->fc_vport); |
587a37f6 | 10168 | } |
eada272d JS |
10169 | lpfc_destroy_vport_work_array(phba, vports); |
10170 | ||
10171 | /* Remove FC host and then SCSI host with the physical port */ | |
858c9f6c JS |
10172 | fc_remove_host(shost); |
10173 | scsi_remove_host(shost); | |
da0436e9 JS |
10174 | |
10175 | /* Perform cleanup on the physical port */ | |
87af33fe JS |
10176 | lpfc_cleanup(vport); |
10177 | ||
2e0fef85 | 10178 | /* |
da0436e9 | 10179 | * Bring down the SLI Layer. This step disables all interrupts, |
2e0fef85 | 10180 | * clears the rings, discards all mailbox commands, and resets |
da0436e9 | 10181 | * the HBA FCoE function. |
2e0fef85 | 10182 | */ |
da0436e9 JS |
10183 | lpfc_debugfs_terminate(vport); |
10184 | lpfc_sli4_hba_unset(phba); | |
a257bf90 | 10185 | |
858c9f6c JS |
10186 | spin_lock_irq(&phba->hbalock); |
10187 | list_del_init(&vport->listentry); | |
10188 | spin_unlock_irq(&phba->hbalock); | |
10189 | ||
3677a3a7 | 10190 | /* Perform scsi free before driver resource_unset since scsi |
da0436e9 | 10191 | * buffers are released to their corresponding pools here. |
2e0fef85 JS |
10192 | */ |
10193 | lpfc_scsi_free(phba); | |
67d12733 | 10194 | |
da0436e9 | 10195 | lpfc_sli4_driver_resource_unset(phba); |
ed957684 | 10196 | |
da0436e9 JS |
10197 | /* Unmap adapter Control and Doorbell registers */ |
10198 | lpfc_sli4_pci_mem_unset(phba); | |
2e0fef85 | 10199 | |
da0436e9 JS |
10200 | /* Release PCI resources and disable device's PCI function */ |
10201 | scsi_host_put(shost); | |
10202 | lpfc_disable_pci_dev(phba); | |
2e0fef85 | 10203 | |
da0436e9 | 10204 | /* Finally, free the driver's device data structure */ |
3772a991 | 10205 | lpfc_hba_free(phba); |
2e0fef85 | 10206 | |
da0436e9 | 10207 | return; |
dea3101e JB |
10208 | } |
10209 | ||
3a55b532 | 10210 | /** |
da0436e9 | 10211 | * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt |
3a55b532 JS |
10212 | * @pdev: pointer to PCI device |
10213 | * @msg: power management message | |
10214 | * | |
da0436e9 JS |
10215 | * This routine is called from the kernel's PCI subsystem to support system |
10216 | * Power Management (PM) to device with SLI-4 interface spec. When PM invokes | |
10217 | * this method, it quiesces the device by stopping the driver's worker | |
10218 | * thread for the device, turning off device's interrupt and DMA, and bring | |
10219 | * the device offline. Note that as the driver implements the minimum PM | |
10220 | * requirements to a power-aware driver's PM support for suspend/resume -- all | |
10221 | * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend() | |
10222 | * method call will be treated as SUSPEND and the driver will fully | |
10223 | * reinitialize its device during resume() method call, the driver will set | |
10224 | * device to PCI_D3hot state in PCI config space instead of setting it | |
3772a991 | 10225 | * according to the @msg provided by the PM. |
3a55b532 JS |
10226 | * |
10227 | * Return code | |
3772a991 JS |
10228 | * 0 - driver suspended the device |
10229 | * Error otherwise | |
3a55b532 JS |
10230 | **/ |
10231 | static int | |
da0436e9 | 10232 | lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg) |
3a55b532 JS |
10233 | { |
10234 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10235 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10236 | ||
10237 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
75baf696 | 10238 | "2843 PCI device Power Management suspend.\n"); |
3a55b532 JS |
10239 | |
10240 | /* Bring down the device */ | |
618a5230 | 10241 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
3a55b532 JS |
10242 | lpfc_offline(phba); |
10243 | kthread_stop(phba->worker_thread); | |
10244 | ||
10245 | /* Disable interrupt from device */ | |
da0436e9 | 10246 | lpfc_sli4_disable_intr(phba); |
5350d872 | 10247 | lpfc_sli4_queue_destroy(phba); |
3a55b532 JS |
10248 | |
10249 | /* Save device state to PCI config space */ | |
10250 | pci_save_state(pdev); | |
10251 | pci_set_power_state(pdev, PCI_D3hot); | |
10252 | ||
10253 | return 0; | |
10254 | } | |
10255 | ||
10256 | /** | |
da0436e9 | 10257 | * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt |
3a55b532 JS |
10258 | * @pdev: pointer to PCI device |
10259 | * | |
da0436e9 JS |
10260 | * This routine is called from the kernel's PCI subsystem to support system |
10261 | * Power Management (PM) to device with SLI-4 interface spac. When PM invokes | |
10262 | * this method, it restores the device's PCI config space state and fully | |
10263 | * reinitializes the device and brings it online. Note that as the driver | |
10264 | * implements the minimum PM requirements to a power-aware driver's PM for | |
10265 | * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE) | |
10266 | * to the suspend() method call will be treated as SUSPEND and the driver | |
10267 | * will fully reinitialize its device during resume() method call, the device | |
10268 | * will be set to PCI_D0 directly in PCI config space before restoring the | |
10269 | * state. | |
3a55b532 JS |
10270 | * |
10271 | * Return code | |
3772a991 JS |
10272 | * 0 - driver suspended the device |
10273 | * Error otherwise | |
3a55b532 JS |
10274 | **/ |
10275 | static int | |
da0436e9 | 10276 | lpfc_pci_resume_one_s4(struct pci_dev *pdev) |
3a55b532 JS |
10277 | { |
10278 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10279 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
5b75da2f | 10280 | uint32_t intr_mode; |
3a55b532 JS |
10281 | int error; |
10282 | ||
10283 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
da0436e9 | 10284 | "0292 PCI device Power Management resume.\n"); |
3a55b532 JS |
10285 | |
10286 | /* Restore device state from PCI config space */ | |
10287 | pci_set_power_state(pdev, PCI_D0); | |
10288 | pci_restore_state(pdev); | |
1dfb5a47 JS |
10289 | |
10290 | /* | |
10291 | * As the new kernel behavior of pci_restore_state() API call clears | |
10292 | * device saved_state flag, need to save the restored state again. | |
10293 | */ | |
10294 | pci_save_state(pdev); | |
10295 | ||
3a55b532 JS |
10296 | if (pdev->is_busmaster) |
10297 | pci_set_master(pdev); | |
10298 | ||
da0436e9 | 10299 | /* Startup the kernel thread for this host adapter. */ |
3a55b532 JS |
10300 | phba->worker_thread = kthread_run(lpfc_do_work, phba, |
10301 | "lpfc_worker_%d", phba->brd_no); | |
10302 | if (IS_ERR(phba->worker_thread)) { | |
10303 | error = PTR_ERR(phba->worker_thread); | |
10304 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 10305 | "0293 PM resume failed to start worker " |
3a55b532 JS |
10306 | "thread: error=x%x.\n", error); |
10307 | return error; | |
10308 | } | |
10309 | ||
5b75da2f | 10310 | /* Configure and enable interrupt */ |
da0436e9 | 10311 | intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); |
5b75da2f | 10312 | if (intr_mode == LPFC_INTR_ERROR) { |
3a55b532 | 10313 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
da0436e9 | 10314 | "0294 PM resume Failed to enable interrupt\n"); |
5b75da2f JS |
10315 | return -EIO; |
10316 | } else | |
10317 | phba->intr_mode = intr_mode; | |
3a55b532 JS |
10318 | |
10319 | /* Restart HBA and bring it online */ | |
10320 | lpfc_sli_brdrestart(phba); | |
10321 | lpfc_online(phba); | |
10322 | ||
5b75da2f JS |
10323 | /* Log the current active interrupt mode */ |
10324 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
10325 | ||
3a55b532 JS |
10326 | return 0; |
10327 | } | |
10328 | ||
75baf696 JS |
10329 | /** |
10330 | * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover | |
10331 | * @phba: pointer to lpfc hba data structure. | |
10332 | * | |
10333 | * This routine is called to prepare the SLI4 device for PCI slot recover. It | |
10334 | * aborts all the outstanding SCSI I/Os to the pci device. | |
10335 | **/ | |
10336 | static void | |
10337 | lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba) | |
10338 | { | |
10339 | struct lpfc_sli *psli = &phba->sli; | |
10340 | struct lpfc_sli_ring *pring; | |
10341 | ||
10342 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10343 | "2828 PCI channel I/O abort preparing for recovery\n"); | |
10344 | /* | |
10345 | * There may be errored I/Os through HBA, abort all I/Os on txcmplq | |
10346 | * and let the SCSI mid-layer to retry them to recover. | |
10347 | */ | |
10348 | pring = &psli->ring[psli->fcp_ring]; | |
10349 | lpfc_sli_abort_iocb_ring(phba, pring); | |
10350 | } | |
10351 | ||
10352 | /** | |
10353 | * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset | |
10354 | * @phba: pointer to lpfc hba data structure. | |
10355 | * | |
10356 | * This routine is called to prepare the SLI4 device for PCI slot reset. It | |
10357 | * disables the device interrupt and pci device, and aborts the internal FCP | |
10358 | * pending I/Os. | |
10359 | **/ | |
10360 | static void | |
10361 | lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba) | |
10362 | { | |
10363 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10364 | "2826 PCI channel disable preparing for reset\n"); | |
10365 | ||
10366 | /* Block any management I/Os to the device */ | |
618a5230 | 10367 | lpfc_block_mgmt_io(phba, LPFC_MBX_NO_WAIT); |
75baf696 JS |
10368 | |
10369 | /* Block all SCSI devices' I/Os on the host */ | |
10370 | lpfc_scsi_dev_block(phba); | |
10371 | ||
ea714f3d JS |
10372 | /* Flush all driver's outstanding SCSI I/Os as we are to reset */ |
10373 | lpfc_sli_flush_fcp_rings(phba); | |
10374 | ||
75baf696 JS |
10375 | /* stop all timers */ |
10376 | lpfc_stop_hba_timers(phba); | |
10377 | ||
10378 | /* Disable interrupt and pci device */ | |
10379 | lpfc_sli4_disable_intr(phba); | |
5350d872 | 10380 | lpfc_sli4_queue_destroy(phba); |
75baf696 | 10381 | pci_disable_device(phba->pcidev); |
75baf696 JS |
10382 | } |
10383 | ||
10384 | /** | |
10385 | * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable | |
10386 | * @phba: pointer to lpfc hba data structure. | |
10387 | * | |
10388 | * This routine is called to prepare the SLI4 device for PCI slot permanently | |
10389 | * disabling. It blocks the SCSI transport layer traffic and flushes the FCP | |
10390 | * pending I/Os. | |
10391 | **/ | |
10392 | static void | |
10393 | lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba) | |
10394 | { | |
10395 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10396 | "2827 PCI channel permanent disable for failure\n"); | |
10397 | ||
10398 | /* Block all SCSI devices' I/Os on the host */ | |
10399 | lpfc_scsi_dev_block(phba); | |
10400 | ||
10401 | /* stop all timers */ | |
10402 | lpfc_stop_hba_timers(phba); | |
10403 | ||
10404 | /* Clean up all driver's outstanding SCSI I/Os */ | |
10405 | lpfc_sli_flush_fcp_rings(phba); | |
10406 | } | |
10407 | ||
8d63f375 | 10408 | /** |
da0436e9 | 10409 | * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device |
e59058c4 JS |
10410 | * @pdev: pointer to PCI device. |
10411 | * @state: the current PCI connection state. | |
8d63f375 | 10412 | * |
da0436e9 JS |
10413 | * This routine is called from the PCI subsystem for error handling to device |
10414 | * with SLI-4 interface spec. This function is called by the PCI subsystem | |
10415 | * after a PCI bus error affecting this device has been detected. When this | |
10416 | * function is invoked, it will need to stop all the I/Os and interrupt(s) | |
10417 | * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET | |
10418 | * for the PCI subsystem to perform proper recovery as desired. | |
e59058c4 JS |
10419 | * |
10420 | * Return codes | |
3772a991 JS |
10421 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery |
10422 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
e59058c4 | 10423 | **/ |
3772a991 | 10424 | static pci_ers_result_t |
da0436e9 | 10425 | lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state) |
8d63f375 | 10426 | { |
75baf696 JS |
10427 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
10428 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10429 | ||
10430 | switch (state) { | |
10431 | case pci_channel_io_normal: | |
10432 | /* Non-fatal error, prepare for recovery */ | |
10433 | lpfc_sli4_prep_dev_for_recover(phba); | |
10434 | return PCI_ERS_RESULT_CAN_RECOVER; | |
10435 | case pci_channel_io_frozen: | |
10436 | /* Fatal error, prepare for slot reset */ | |
10437 | lpfc_sli4_prep_dev_for_reset(phba); | |
10438 | return PCI_ERS_RESULT_NEED_RESET; | |
10439 | case pci_channel_io_perm_failure: | |
10440 | /* Permanent failure, prepare for device down */ | |
10441 | lpfc_sli4_prep_dev_for_perm_failure(phba); | |
10442 | return PCI_ERS_RESULT_DISCONNECT; | |
10443 | default: | |
10444 | /* Unknown state, prepare and request slot reset */ | |
10445 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10446 | "2825 Unknown PCI error state: x%x\n", state); | |
10447 | lpfc_sli4_prep_dev_for_reset(phba); | |
10448 | return PCI_ERS_RESULT_NEED_RESET; | |
10449 | } | |
8d63f375 LV |
10450 | } |
10451 | ||
10452 | /** | |
da0436e9 | 10453 | * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch |
e59058c4 JS |
10454 | * @pdev: pointer to PCI device. |
10455 | * | |
da0436e9 JS |
10456 | * This routine is called from the PCI subsystem for error handling to device |
10457 | * with SLI-4 interface spec. It is called after PCI bus has been reset to | |
10458 | * restart the PCI card from scratch, as if from a cold-boot. During the | |
10459 | * PCI subsystem error recovery, after the driver returns | |
3772a991 | 10460 | * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error |
da0436e9 JS |
10461 | * recovery and then call this routine before calling the .resume method to |
10462 | * recover the device. This function will initialize the HBA device, enable | |
10463 | * the interrupt, but it will just put the HBA to offline state without | |
10464 | * passing any I/O traffic. | |
8d63f375 | 10465 | * |
e59058c4 | 10466 | * Return codes |
3772a991 JS |
10467 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered |
10468 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
8d63f375 | 10469 | */ |
3772a991 | 10470 | static pci_ers_result_t |
da0436e9 | 10471 | lpfc_io_slot_reset_s4(struct pci_dev *pdev) |
8d63f375 | 10472 | { |
75baf696 JS |
10473 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
10474 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10475 | struct lpfc_sli *psli = &phba->sli; | |
10476 | uint32_t intr_mode; | |
10477 | ||
10478 | dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); | |
10479 | if (pci_enable_device_mem(pdev)) { | |
10480 | printk(KERN_ERR "lpfc: Cannot re-enable " | |
10481 | "PCI device after reset.\n"); | |
10482 | return PCI_ERS_RESULT_DISCONNECT; | |
10483 | } | |
10484 | ||
10485 | pci_restore_state(pdev); | |
0a96e975 JS |
10486 | |
10487 | /* | |
10488 | * As the new kernel behavior of pci_restore_state() API call clears | |
10489 | * device saved_state flag, need to save the restored state again. | |
10490 | */ | |
10491 | pci_save_state(pdev); | |
10492 | ||
75baf696 JS |
10493 | if (pdev->is_busmaster) |
10494 | pci_set_master(pdev); | |
10495 | ||
10496 | spin_lock_irq(&phba->hbalock); | |
10497 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; | |
10498 | spin_unlock_irq(&phba->hbalock); | |
10499 | ||
10500 | /* Configure and enable interrupt */ | |
10501 | intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); | |
10502 | if (intr_mode == LPFC_INTR_ERROR) { | |
10503 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10504 | "2824 Cannot re-enable interrupt after " | |
10505 | "slot reset.\n"); | |
10506 | return PCI_ERS_RESULT_DISCONNECT; | |
10507 | } else | |
10508 | phba->intr_mode = intr_mode; | |
10509 | ||
10510 | /* Log the current active interrupt mode */ | |
10511 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
10512 | ||
8d63f375 LV |
10513 | return PCI_ERS_RESULT_RECOVERED; |
10514 | } | |
10515 | ||
10516 | /** | |
da0436e9 | 10517 | * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device |
e59058c4 | 10518 | * @pdev: pointer to PCI device |
8d63f375 | 10519 | * |
3772a991 | 10520 | * This routine is called from the PCI subsystem for error handling to device |
da0436e9 | 10521 | * with SLI-4 interface spec. It is called when kernel error recovery tells |
3772a991 JS |
10522 | * the lpfc driver that it is ok to resume normal PCI operation after PCI bus |
10523 | * error recovery. After this call, traffic can start to flow from this device | |
10524 | * again. | |
da0436e9 | 10525 | **/ |
3772a991 | 10526 | static void |
da0436e9 | 10527 | lpfc_io_resume_s4(struct pci_dev *pdev) |
8d63f375 | 10528 | { |
75baf696 JS |
10529 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
10530 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10531 | ||
10532 | /* | |
10533 | * In case of slot reset, as function reset is performed through | |
10534 | * mailbox command which needs DMA to be enabled, this operation | |
10535 | * has to be moved to the io resume phase. Taking device offline | |
10536 | * will perform the necessary cleanup. | |
10537 | */ | |
10538 | if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) { | |
10539 | /* Perform device reset */ | |
618a5230 | 10540 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
75baf696 JS |
10541 | lpfc_offline(phba); |
10542 | lpfc_sli_brdrestart(phba); | |
10543 | /* Bring the device back online */ | |
10544 | lpfc_online(phba); | |
10545 | } | |
10546 | ||
10547 | /* Clean up Advanced Error Reporting (AER) if needed */ | |
10548 | if (phba->hba_flag & HBA_AER_ENABLED) | |
10549 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
8d63f375 LV |
10550 | } |
10551 | ||
3772a991 JS |
10552 | /** |
10553 | * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem | |
10554 | * @pdev: pointer to PCI device | |
10555 | * @pid: pointer to PCI device identifier | |
10556 | * | |
10557 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
10558 | * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks | |
10559 | * at PCI device-specific information of the device and driver to see if the | |
10560 | * driver state that it can support this kind of device. If the match is | |
10561 | * successful, the driver core invokes this routine. This routine dispatches | |
10562 | * the action to the proper SLI-3 or SLI-4 device probing routine, which will | |
10563 | * do all the initialization that it needs to do to handle the HBA device | |
10564 | * properly. | |
10565 | * | |
10566 | * Return code | |
10567 | * 0 - driver can claim the device | |
10568 | * negative value - driver can not claim the device | |
10569 | **/ | |
6f039790 | 10570 | static int |
3772a991 JS |
10571 | lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) |
10572 | { | |
10573 | int rc; | |
8fa38513 | 10574 | struct lpfc_sli_intf intf; |
3772a991 | 10575 | |
28baac74 | 10576 | if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0)) |
3772a991 JS |
10577 | return -ENODEV; |
10578 | ||
8fa38513 | 10579 | if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) && |
28baac74 | 10580 | (bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4)) |
da0436e9 | 10581 | rc = lpfc_pci_probe_one_s4(pdev, pid); |
8fa38513 | 10582 | else |
3772a991 | 10583 | rc = lpfc_pci_probe_one_s3(pdev, pid); |
8fa38513 | 10584 | |
3772a991 JS |
10585 | return rc; |
10586 | } | |
10587 | ||
10588 | /** | |
10589 | * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem | |
10590 | * @pdev: pointer to PCI device | |
10591 | * | |
10592 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
10593 | * Emulex HBA is removed from PCI bus, the driver core invokes this routine. | |
10594 | * This routine dispatches the action to the proper SLI-3 or SLI-4 device | |
10595 | * remove routine, which will perform all the necessary cleanup for the | |
10596 | * device to be removed from the PCI subsystem properly. | |
10597 | **/ | |
6f039790 | 10598 | static void |
3772a991 JS |
10599 | lpfc_pci_remove_one(struct pci_dev *pdev) |
10600 | { | |
10601 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10602 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10603 | ||
10604 | switch (phba->pci_dev_grp) { | |
10605 | case LPFC_PCI_DEV_LP: | |
10606 | lpfc_pci_remove_one_s3(pdev); | |
10607 | break; | |
da0436e9 JS |
10608 | case LPFC_PCI_DEV_OC: |
10609 | lpfc_pci_remove_one_s4(pdev); | |
10610 | break; | |
3772a991 JS |
10611 | default: |
10612 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10613 | "1424 Invalid PCI device group: 0x%x\n", | |
10614 | phba->pci_dev_grp); | |
10615 | break; | |
10616 | } | |
10617 | return; | |
10618 | } | |
10619 | ||
10620 | /** | |
10621 | * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management | |
10622 | * @pdev: pointer to PCI device | |
10623 | * @msg: power management message | |
10624 | * | |
10625 | * This routine is to be registered to the kernel's PCI subsystem to support | |
10626 | * system Power Management (PM). When PM invokes this method, it dispatches | |
10627 | * the action to the proper SLI-3 or SLI-4 device suspend routine, which will | |
10628 | * suspend the device. | |
10629 | * | |
10630 | * Return code | |
10631 | * 0 - driver suspended the device | |
10632 | * Error otherwise | |
10633 | **/ | |
10634 | static int | |
10635 | lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg) | |
10636 | { | |
10637 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10638 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10639 | int rc = -ENODEV; | |
10640 | ||
10641 | switch (phba->pci_dev_grp) { | |
10642 | case LPFC_PCI_DEV_LP: | |
10643 | rc = lpfc_pci_suspend_one_s3(pdev, msg); | |
10644 | break; | |
da0436e9 JS |
10645 | case LPFC_PCI_DEV_OC: |
10646 | rc = lpfc_pci_suspend_one_s4(pdev, msg); | |
10647 | break; | |
3772a991 JS |
10648 | default: |
10649 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10650 | "1425 Invalid PCI device group: 0x%x\n", | |
10651 | phba->pci_dev_grp); | |
10652 | break; | |
10653 | } | |
10654 | return rc; | |
10655 | } | |
10656 | ||
10657 | /** | |
10658 | * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management | |
10659 | * @pdev: pointer to PCI device | |
10660 | * | |
10661 | * This routine is to be registered to the kernel's PCI subsystem to support | |
10662 | * system Power Management (PM). When PM invokes this method, it dispatches | |
10663 | * the action to the proper SLI-3 or SLI-4 device resume routine, which will | |
10664 | * resume the device. | |
10665 | * | |
10666 | * Return code | |
10667 | * 0 - driver suspended the device | |
10668 | * Error otherwise | |
10669 | **/ | |
10670 | static int | |
10671 | lpfc_pci_resume_one(struct pci_dev *pdev) | |
10672 | { | |
10673 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10674 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10675 | int rc = -ENODEV; | |
10676 | ||
10677 | switch (phba->pci_dev_grp) { | |
10678 | case LPFC_PCI_DEV_LP: | |
10679 | rc = lpfc_pci_resume_one_s3(pdev); | |
10680 | break; | |
da0436e9 JS |
10681 | case LPFC_PCI_DEV_OC: |
10682 | rc = lpfc_pci_resume_one_s4(pdev); | |
10683 | break; | |
3772a991 JS |
10684 | default: |
10685 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10686 | "1426 Invalid PCI device group: 0x%x\n", | |
10687 | phba->pci_dev_grp); | |
10688 | break; | |
10689 | } | |
10690 | return rc; | |
10691 | } | |
10692 | ||
10693 | /** | |
10694 | * lpfc_io_error_detected - lpfc method for handling PCI I/O error | |
10695 | * @pdev: pointer to PCI device. | |
10696 | * @state: the current PCI connection state. | |
10697 | * | |
10698 | * This routine is registered to the PCI subsystem for error handling. This | |
10699 | * function is called by the PCI subsystem after a PCI bus error affecting | |
10700 | * this device has been detected. When this routine is invoked, it dispatches | |
10701 | * the action to the proper SLI-3 or SLI-4 device error detected handling | |
10702 | * routine, which will perform the proper error detected operation. | |
10703 | * | |
10704 | * Return codes | |
10705 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery | |
10706 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
10707 | **/ | |
10708 | static pci_ers_result_t | |
10709 | lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
10710 | { | |
10711 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10712 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10713 | pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT; | |
10714 | ||
10715 | switch (phba->pci_dev_grp) { | |
10716 | case LPFC_PCI_DEV_LP: | |
10717 | rc = lpfc_io_error_detected_s3(pdev, state); | |
10718 | break; | |
da0436e9 JS |
10719 | case LPFC_PCI_DEV_OC: |
10720 | rc = lpfc_io_error_detected_s4(pdev, state); | |
10721 | break; | |
3772a991 JS |
10722 | default: |
10723 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10724 | "1427 Invalid PCI device group: 0x%x\n", | |
10725 | phba->pci_dev_grp); | |
10726 | break; | |
10727 | } | |
10728 | return rc; | |
10729 | } | |
10730 | ||
10731 | /** | |
10732 | * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch | |
10733 | * @pdev: pointer to PCI device. | |
10734 | * | |
10735 | * This routine is registered to the PCI subsystem for error handling. This | |
10736 | * function is called after PCI bus has been reset to restart the PCI card | |
10737 | * from scratch, as if from a cold-boot. When this routine is invoked, it | |
10738 | * dispatches the action to the proper SLI-3 or SLI-4 device reset handling | |
10739 | * routine, which will perform the proper device reset. | |
10740 | * | |
10741 | * Return codes | |
10742 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered | |
10743 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
10744 | **/ | |
10745 | static pci_ers_result_t | |
10746 | lpfc_io_slot_reset(struct pci_dev *pdev) | |
10747 | { | |
10748 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10749 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10750 | pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT; | |
10751 | ||
10752 | switch (phba->pci_dev_grp) { | |
10753 | case LPFC_PCI_DEV_LP: | |
10754 | rc = lpfc_io_slot_reset_s3(pdev); | |
10755 | break; | |
da0436e9 JS |
10756 | case LPFC_PCI_DEV_OC: |
10757 | rc = lpfc_io_slot_reset_s4(pdev); | |
10758 | break; | |
3772a991 JS |
10759 | default: |
10760 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10761 | "1428 Invalid PCI device group: 0x%x\n", | |
10762 | phba->pci_dev_grp); | |
10763 | break; | |
10764 | } | |
10765 | return rc; | |
10766 | } | |
10767 | ||
10768 | /** | |
10769 | * lpfc_io_resume - lpfc method for resuming PCI I/O operation | |
10770 | * @pdev: pointer to PCI device | |
10771 | * | |
10772 | * This routine is registered to the PCI subsystem for error handling. It | |
10773 | * is called when kernel error recovery tells the lpfc driver that it is | |
10774 | * OK to resume normal PCI operation after PCI bus error recovery. When | |
10775 | * this routine is invoked, it dispatches the action to the proper SLI-3 | |
10776 | * or SLI-4 device io_resume routine, which will resume the device operation. | |
10777 | **/ | |
10778 | static void | |
10779 | lpfc_io_resume(struct pci_dev *pdev) | |
10780 | { | |
10781 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10782 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10783 | ||
10784 | switch (phba->pci_dev_grp) { | |
10785 | case LPFC_PCI_DEV_LP: | |
10786 | lpfc_io_resume_s3(pdev); | |
10787 | break; | |
da0436e9 JS |
10788 | case LPFC_PCI_DEV_OC: |
10789 | lpfc_io_resume_s4(pdev); | |
10790 | break; | |
3772a991 JS |
10791 | default: |
10792 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10793 | "1429 Invalid PCI device group: 0x%x\n", | |
10794 | phba->pci_dev_grp); | |
10795 | break; | |
10796 | } | |
10797 | return; | |
10798 | } | |
10799 | ||
dea3101e JB |
10800 | static struct pci_device_id lpfc_id_table[] = { |
10801 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, | |
10802 | PCI_ANY_ID, PCI_ANY_ID, }, | |
06325e74 JSEC |
10803 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY, |
10804 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
10805 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR, |
10806 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10807 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS, | |
10808 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10809 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR, | |
10810 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10811 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY, | |
10812 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10813 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY, | |
10814 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10815 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY, | |
10816 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10817 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, | |
10818 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
10819 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE, |
10820 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10821 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP, | |
10822 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10823 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP, | |
10824 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
10825 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, |
10826 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
10827 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP, |
10828 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10829 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP, | |
10830 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
10831 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, |
10832 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10833 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, | |
10834 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10835 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, | |
10836 | PCI_ANY_ID, PCI_ANY_ID, }, | |
84774a4d JS |
10837 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET, |
10838 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
10839 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP, |
10840 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10841 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP, | |
10842 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
10843 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, |
10844 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10845 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, | |
10846 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10847 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, | |
10848 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10849 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, | |
10850 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10851 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, | |
10852 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
10853 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S, |
10854 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10855 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S, | |
10856 | PCI_ANY_ID, PCI_ANY_ID, }, | |
b87eab38 JS |
10857 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT, |
10858 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10859 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID, | |
10860 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10861 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB, | |
10862 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10863 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP, | |
10864 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10865 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP, | |
10866 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10867 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S, | |
10868 | PCI_ANY_ID, PCI_ANY_ID, }, | |
84774a4d JS |
10869 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF, |
10870 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10871 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF, | |
10872 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10873 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S, | |
10874 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3772a991 JS |
10875 | {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TIGERSHARK, |
10876 | PCI_ANY_ID, PCI_ANY_ID, }, | |
a747c9ce JS |
10877 | {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TOMCAT, |
10878 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10879 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FALCON, | |
6669f9bb | 10880 | PCI_ANY_ID, PCI_ANY_ID, }, |
98fc5dd9 JS |
10881 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BALIUS, |
10882 | PCI_ANY_ID, PCI_ANY_ID, }, | |
085c647c JS |
10883 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC, |
10884 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10885 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE, | |
10886 | PCI_ANY_ID, PCI_ANY_ID, }, | |
c0c11512 JS |
10887 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC_VF, |
10888 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10889 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE_VF, | |
10890 | PCI_ANY_ID, PCI_ANY_ID, }, | |
f8cafd38 JS |
10891 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK, |
10892 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10893 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK_VF, | |
10894 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e JB |
10895 | { 0 } |
10896 | }; | |
10897 | ||
10898 | MODULE_DEVICE_TABLE(pci, lpfc_id_table); | |
10899 | ||
a55b2d21 | 10900 | static const struct pci_error_handlers lpfc_err_handler = { |
8d63f375 LV |
10901 | .error_detected = lpfc_io_error_detected, |
10902 | .slot_reset = lpfc_io_slot_reset, | |
10903 | .resume = lpfc_io_resume, | |
10904 | }; | |
10905 | ||
dea3101e JB |
10906 | static struct pci_driver lpfc_driver = { |
10907 | .name = LPFC_DRIVER_NAME, | |
10908 | .id_table = lpfc_id_table, | |
10909 | .probe = lpfc_pci_probe_one, | |
6f039790 | 10910 | .remove = lpfc_pci_remove_one, |
3a55b532 | 10911 | .suspend = lpfc_pci_suspend_one, |
3772a991 | 10912 | .resume = lpfc_pci_resume_one, |
2e0fef85 | 10913 | .err_handler = &lpfc_err_handler, |
dea3101e JB |
10914 | }; |
10915 | ||
3ef6d24c | 10916 | static const struct file_operations lpfc_mgmt_fop = { |
858feacd | 10917 | .owner = THIS_MODULE, |
3ef6d24c JS |
10918 | }; |
10919 | ||
10920 | static struct miscdevice lpfc_mgmt_dev = { | |
10921 | .minor = MISC_DYNAMIC_MINOR, | |
10922 | .name = "lpfcmgmt", | |
10923 | .fops = &lpfc_mgmt_fop, | |
10924 | }; | |
10925 | ||
e59058c4 | 10926 | /** |
3621a710 | 10927 | * lpfc_init - lpfc module initialization routine |
e59058c4 JS |
10928 | * |
10929 | * This routine is to be invoked when the lpfc module is loaded into the | |
10930 | * kernel. The special kernel macro module_init() is used to indicate the | |
10931 | * role of this routine to the kernel as lpfc module entry point. | |
10932 | * | |
10933 | * Return codes | |
10934 | * 0 - successful | |
10935 | * -ENOMEM - FC attach transport failed | |
10936 | * all others - failed | |
10937 | */ | |
dea3101e JB |
10938 | static int __init |
10939 | lpfc_init(void) | |
10940 | { | |
7bb03bbf | 10941 | int cpu; |
dea3101e JB |
10942 | int error = 0; |
10943 | ||
10944 | printk(LPFC_MODULE_DESC "\n"); | |
c44ce173 | 10945 | printk(LPFC_COPYRIGHT "\n"); |
dea3101e | 10946 | |
3ef6d24c JS |
10947 | error = misc_register(&lpfc_mgmt_dev); |
10948 | if (error) | |
10949 | printk(KERN_ERR "Could not register lpfcmgmt device, " | |
10950 | "misc_register returned with status %d", error); | |
10951 | ||
7ee5d43e JS |
10952 | if (lpfc_enable_npiv) { |
10953 | lpfc_transport_functions.vport_create = lpfc_vport_create; | |
10954 | lpfc_transport_functions.vport_delete = lpfc_vport_delete; | |
10955 | } | |
dea3101e JB |
10956 | lpfc_transport_template = |
10957 | fc_attach_transport(&lpfc_transport_functions); | |
7ee5d43e | 10958 | if (lpfc_transport_template == NULL) |
dea3101e | 10959 | return -ENOMEM; |
7ee5d43e | 10960 | if (lpfc_enable_npiv) { |
7ee5d43e | 10961 | lpfc_vport_transport_template = |
98c9ea5c JS |
10962 | fc_attach_transport(&lpfc_vport_transport_functions); |
10963 | if (lpfc_vport_transport_template == NULL) { | |
10964 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e | 10965 | return -ENOMEM; |
98c9ea5c | 10966 | } |
7ee5d43e | 10967 | } |
7bb03bbf JS |
10968 | |
10969 | /* Initialize in case vector mapping is needed */ | |
10970 | for (cpu = 0; cpu < LPFC_MAX_CPU; cpu++) | |
10971 | lpfc_used_cpu[cpu] = LPFC_VECTOR_MAP_EMPTY; | |
10972 | ||
dea3101e | 10973 | error = pci_register_driver(&lpfc_driver); |
92d7f7b0 | 10974 | if (error) { |
dea3101e | 10975 | fc_release_transport(lpfc_transport_template); |
d7c255b2 JS |
10976 | if (lpfc_enable_npiv) |
10977 | fc_release_transport(lpfc_vport_transport_template); | |
92d7f7b0 | 10978 | } |
dea3101e JB |
10979 | |
10980 | return error; | |
10981 | } | |
10982 | ||
e59058c4 | 10983 | /** |
3621a710 | 10984 | * lpfc_exit - lpfc module removal routine |
e59058c4 JS |
10985 | * |
10986 | * This routine is invoked when the lpfc module is removed from the kernel. | |
10987 | * The special kernel macro module_exit() is used to indicate the role of | |
10988 | * this routine to the kernel as lpfc module exit point. | |
10989 | */ | |
dea3101e JB |
10990 | static void __exit |
10991 | lpfc_exit(void) | |
10992 | { | |
3ef6d24c | 10993 | misc_deregister(&lpfc_mgmt_dev); |
dea3101e JB |
10994 | pci_unregister_driver(&lpfc_driver); |
10995 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e JS |
10996 | if (lpfc_enable_npiv) |
10997 | fc_release_transport(lpfc_vport_transport_template); | |
81301a9b | 10998 | if (_dump_buf_data) { |
6a9c52cf JS |
10999 | printk(KERN_ERR "9062 BLKGRD: freeing %lu pages for " |
11000 | "_dump_buf_data at 0x%p\n", | |
81301a9b JS |
11001 | (1L << _dump_buf_data_order), _dump_buf_data); |
11002 | free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order); | |
11003 | } | |
11004 | ||
11005 | if (_dump_buf_dif) { | |
6a9c52cf JS |
11006 | printk(KERN_ERR "9049 BLKGRD: freeing %lu pages for " |
11007 | "_dump_buf_dif at 0x%p\n", | |
81301a9b JS |
11008 | (1L << _dump_buf_dif_order), _dump_buf_dif); |
11009 | free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order); | |
11010 | } | |
dea3101e JB |
11011 | } |
11012 | ||
11013 | module_init(lpfc_init); | |
11014 | module_exit(lpfc_exit); | |
11015 | MODULE_LICENSE("GPL"); | |
11016 | MODULE_DESCRIPTION(LPFC_MODULE_DESC); | |
11017 | MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com"); | |
11018 | MODULE_VERSION("0:" LPFC_DRIVER_VERSION); |