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[SCSI] lpfc 8.3.41: Fixed Receive Queue varied frame size handling
[deliverable/linux.git] / drivers / scsi / lpfc / lpfc_init.c
CommitLineData
dea3101e 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
c44ce173 3 * Fibre Channel Host Bus Adapters. *
92c13f29 4 * Copyright (C) 2004-2013 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 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 20 *******************************************************************/
21
dea3101e 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 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 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 44#include "lpfc_hw.h"
45#include "lpfc_sli.h"
da0436e9 46#include "lpfc_sli4.h"
ea2151b4 47#include "lpfc_nl.h"
dea3101e 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 54#include "lpfc_version.h"
55
81301a9b
JS		 56char *_dump_buf_data;
57unsigned long _dump_buf_data_order;
58char *_dump_buf_dif;
59unsigned long _dump_buf_dif_order;
60spinlock_t _dump_buf_lock;
61
7bb03bbf 62/* Used when mapping IRQ vectors in a driver centric manner */
b246de17
JS		 63uint16_t *lpfc_used_cpu;
64uint32_t lpfc_present_cpu;
7bb03bbf 65
dea3101e 66static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
67static int lpfc_post_rcv_buf(struct lpfc_hba *);
5350d872 68static int lpfc_sli4_queue_verify(struct lpfc_hba *);
da0436e9
JS		 69static int lpfc_create_bootstrap_mbox(struct lpfc_hba *);
70static int lpfc_setup_endian_order(struct lpfc_hba *);
da0436e9 71static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba *);
8a9d2e80
JS		 72static void lpfc_free_els_sgl_list(struct lpfc_hba *);
73static void lpfc_init_sgl_list(struct lpfc_hba *);
da0436e9
JS		 74static int lpfc_init_active_sgl_array(struct lpfc_hba *);
75static void lpfc_free_active_sgl(struct lpfc_hba *);
76static int lpfc_hba_down_post_s3(struct lpfc_hba *phba);
77static int lpfc_hba_down_post_s4(struct lpfc_hba *phba);
78static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba *);
79static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *);
80static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *);
618a5230
JS		 81static void lpfc_sli4_disable_intr(struct lpfc_hba *);
82static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba *, uint32_t);
dea3101e 83
84static struct scsi_transport_template *lpfc_transport_template = NULL;
92d7f7b0 85static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
dea3101e 86static DEFINE_IDR(lpfc_hba_index);
87
e59058c4 88/**
3621a710 89 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
e59058c4
JS		 90 * @phba: pointer to lpfc hba data structure.
91 *
92 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
93 * mailbox command. It retrieves the revision information from the HBA and
94 * collects the Vital Product Data (VPD) about the HBA for preparing the
95 * configuration of the HBA.
96 *
97 * Return codes:
98 * 0 - success.
99 * -ERESTART - requests the SLI layer to reset the HBA and try again.
100 * Any other value - indicates an error.
101 **/
dea3101e 102int
2e0fef85 103lpfc_config_port_prep(struct lpfc_hba *phba)
dea3101e 104{
105 lpfc_vpd_t *vp = &phba->vpd;
106 int i = 0, rc;
107 LPFC_MBOXQ_t *pmb;
108 MAILBOX_t *mb;
109 char *lpfc_vpd_data = NULL;
110 uint16_t offset = 0;
111 static char licensed[56] =
112 "key unlock for use with gnu public licensed code only\0";
65a29c16 113 static int init_key = 1;
dea3101e 114
115 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
116 if (!pmb) {
2e0fef85 117 phba->link_state = LPFC_HBA_ERROR;
dea3101e 118 return -ENOMEM;
119 }
120
04c68496 121 mb = &pmb->u.mb;
2e0fef85 122 phba->link_state = LPFC_INIT_MBX_CMDS;
dea3101e 123
124 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
65a29c16
JS		 125 if (init_key) {
126 uint32_t *ptext = (uint32_t *) licensed;
dea3101e 127
65a29c16
JS		 128 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
129 *ptext = cpu_to_be32(*ptext);
130 init_key = 0;
131 }
dea3101e 132
133 lpfc_read_nv(phba, pmb);
134 memset((char*)mb->un.varRDnvp.rsvd3, 0,
135 sizeof (mb->un.varRDnvp.rsvd3));
136 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
137 sizeof (licensed));
138
139 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
140
141 if (rc != MBX_SUCCESS) {
ed957684 142 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
e8b62011 143 "0324 Config Port initialization "
dea3101e 144 "error, mbxCmd x%x READ_NVPARM, "
145 "mbxStatus x%x\n",
dea3101e 146 mb->mbxCommand, mb->mbxStatus);
147 mempool_free(pmb, phba->mbox_mem_pool);
148 return -ERESTART;
149 }
150 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
2e0fef85
JS		 151 sizeof(phba->wwnn));
152 memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
153 sizeof(phba->wwpn));
dea3101e 154 }
155
92d7f7b0
JS		 156 phba->sli3_options = 0x0;
157
dea3101e 158 /* Setup and issue mailbox READ REV command */
159 lpfc_read_rev(phba, pmb);
160 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
161 if (rc != MBX_SUCCESS) {
ed957684 162 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 163 "0439 Adapter failed to init, mbxCmd x%x "
dea3101e 164 "READ_REV, mbxStatus x%x\n",
dea3101e 165 mb->mbxCommand, mb->mbxStatus);
166 mempool_free( pmb, phba->mbox_mem_pool);
167 return -ERESTART;
168 }
169
92d7f7b0 170
1de933f3
JSEC		 171 /*
172 * The value of rr must be 1 since the driver set the cv field to 1.
173 * This setting requires the FW to set all revision fields.
dea3101e 174 */
1de933f3 175 if (mb->un.varRdRev.rr == 0) {
dea3101e 176 vp->rev.rBit = 0;
1de933f3 177 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011
JS		 178 "0440 Adapter failed to init, READ_REV has "
179 "missing revision information.\n");
dea3101e 180 mempool_free(pmb, phba->mbox_mem_pool);
181 return -ERESTART;
dea3101e 182 }
183
495a714c
JS		 184 if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) {
185 mempool_free(pmb, phba->mbox_mem_pool);
ed957684 186 return -EINVAL;
495a714c 187 }
ed957684 188
dea3101e 189 /* Save information as VPD data */
1de933f3 190 vp->rev.rBit = 1;
92d7f7b0 191 memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
1de933f3
JSEC		 192 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
193 memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
194 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
195 memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
dea3101e 196 vp->rev.biuRev = mb->un.varRdRev.biuRev;
197 vp->rev.smRev = mb->un.varRdRev.smRev;
198 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
199 vp->rev.endecRev = mb->un.varRdRev.endecRev;
200 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
201 vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
202 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
203 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
204 vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
205 vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
206
92d7f7b0
JS		 207 /* If the sli feature level is less then 9, we must
208 * tear down all RPIs and VPIs on link down if NPIV
209 * is enabled.
210 */
211 if (vp->rev.feaLevelHigh < 9)
212 phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
213
dea3101e 214 if (lpfc_is_LC_HBA(phba->pcidev->device))
215 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
216 sizeof (phba->RandomData));
217
dea3101e 218 /* Get adapter VPD information */
dea3101e 219 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
220 if (!lpfc_vpd_data)
d7c255b2 221 goto out_free_mbox;
dea3101e 222 do {
a0c87cbd 223 lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD);
dea3101e 224 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
225
226 if (rc != MBX_SUCCESS) {
227 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011 228 "0441 VPD not present on adapter, "
dea3101e 229 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
dea3101e 230 mb->mbxCommand, mb->mbxStatus);
74b72a59 231 mb->un.varDmp.word_cnt = 0;
dea3101e 232 }
04c68496
JS		 233 /* dump mem may return a zero when finished or we got a
234 * mailbox error, either way we are done.
235 */
236 if (mb->un.varDmp.word_cnt == 0)
237 break;
74b72a59
JW		 238 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
239 mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
d7c255b2
JS		 240 lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET,
241 lpfc_vpd_data + offset,
92d7f7b0 242 mb->un.varDmp.word_cnt);
dea3101e 243 offset += mb->un.varDmp.word_cnt;
74b72a59
JW		 244 } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
245 lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
dea3101e 246
247 kfree(lpfc_vpd_data);
dea3101e 248out_free_mbox:
249 mempool_free(pmb, phba->mbox_mem_pool);
250 return 0;
251}
252
e59058c4 253/**
3621a710 254 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
e59058c4
JS		 255 * @phba: pointer to lpfc hba data structure.
256 * @pmboxq: pointer to the driver internal queue element for mailbox command.
257 *
258 * This is the completion handler for driver's configuring asynchronous event
259 * mailbox command to the device. If the mailbox command returns successfully,
260 * it will set internal async event support flag to 1; otherwise, it will
261 * set internal async event support flag to 0.
262 **/
57127f15
JS		 263static void
264lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
265{
04c68496 266 if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS)
57127f15
JS		 267 phba->temp_sensor_support = 1;
268 else
269 phba->temp_sensor_support = 0;
270 mempool_free(pmboxq, phba->mbox_mem_pool);
271 return;
272}
273
97207482 274/**
3621a710 275 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
97207482
JS		 276 * @phba: pointer to lpfc hba data structure.
277 * @pmboxq: pointer to the driver internal queue element for mailbox command.
278 *
279 * This is the completion handler for dump mailbox command for getting
280 * wake up parameters. When this command complete, the response contain
281 * Option rom version of the HBA. This function translate the version number
282 * into a human readable string and store it in OptionROMVersion.
283 **/
284static void
285lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
286{
287 struct prog_id *prg;
288 uint32_t prog_id_word;
289 char dist = ' ';
290 /* character array used for decoding dist type. */
291 char dist_char[] = "nabx";
292
04c68496 293 if (pmboxq->u.mb.mbxStatus != MBX_SUCCESS) {
9f1e1b50 294 mempool_free(pmboxq, phba->mbox_mem_pool);
97207482 295 return;
9f1e1b50 296 }
97207482
JS		 297
298 prg = (struct prog_id *) &prog_id_word;
299
300 /* word 7 contain option rom version */
04c68496 301 prog_id_word = pmboxq->u.mb.un.varWords[7];
97207482
JS		 302
303 /* Decode the Option rom version word to a readable string */
304 if (prg->dist < 4)
305 dist = dist_char[prg->dist];
306
307 if ((prg->dist == 3) && (prg->num == 0))
308 sprintf(phba->OptionROMVersion, "%d.%d%d",
309 prg->ver, prg->rev, prg->lev);
310 else
311 sprintf(phba->OptionROMVersion, "%d.%d%d%c%d",
312 prg->ver, prg->rev, prg->lev,
313 dist, prg->num);
9f1e1b50 314 mempool_free(pmboxq, phba->mbox_mem_pool);
97207482
JS		 315 return;
316}
317
0558056c
JS		 318/**
319 * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname,
320 * cfg_soft_wwnn, cfg_soft_wwpn
321 * @vport: pointer to lpfc vport data structure.
322 *
323 *
324 * Return codes
325 * None.
326 **/
327void
328lpfc_update_vport_wwn(struct lpfc_vport *vport)
329{
330 /* If the soft name exists then update it using the service params */
331 if (vport->phba->cfg_soft_wwnn)
332 u64_to_wwn(vport->phba->cfg_soft_wwnn,
333 vport->fc_sparam.nodeName.u.wwn);
334 if (vport->phba->cfg_soft_wwpn)
335 u64_to_wwn(vport->phba->cfg_soft_wwpn,
336 vport->fc_sparam.portName.u.wwn);
337
338 /*
339 * If the name is empty or there exists a soft name
340 * then copy the service params name, otherwise use the fc name
341 */
342 if (vport->fc_nodename.u.wwn[0] == 0 || vport->phba->cfg_soft_wwnn)
343 memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
344 sizeof(struct lpfc_name));
345 else
346 memcpy(&vport->fc_sparam.nodeName, &vport->fc_nodename,
347 sizeof(struct lpfc_name));
348
349 if (vport->fc_portname.u.wwn[0] == 0 || vport->phba->cfg_soft_wwpn)
350 memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
351 sizeof(struct lpfc_name));
352 else
353 memcpy(&vport->fc_sparam.portName, &vport->fc_portname,
354 sizeof(struct lpfc_name));
355}
356
e59058c4 357/**
3621a710 358 * lpfc_config_port_post - Perform lpfc initialization after config port
e59058c4
JS		 359 * @phba: pointer to lpfc hba data structure.
360 *
361 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
362 * command call. It performs all internal resource and state setups on the
363 * port: post IOCB buffers, enable appropriate host interrupt attentions,
364 * ELS ring timers, etc.
365 *
366 * Return codes
367 * 0 - success.
368 * Any other value - error.
369 **/
dea3101e 370int
2e0fef85 371lpfc_config_port_post(struct lpfc_hba *phba)
dea3101e 372{
2e0fef85 373 struct lpfc_vport *vport = phba->pport;
a257bf90 374 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
dea3101e 375 LPFC_MBOXQ_t *pmb;
376 MAILBOX_t *mb;
377 struct lpfc_dmabuf *mp;
378 struct lpfc_sli *psli = &phba->sli;
379 uint32_t status, timeout;
2e0fef85
JS		 380 int i, j;
381 int rc;
dea3101e 382
7af67051
JS		 383 spin_lock_irq(&phba->hbalock);
384 /*
385 * If the Config port completed correctly the HBA is not
386 * over heated any more.
387 */
388 if (phba->over_temp_state == HBA_OVER_TEMP)
389 phba->over_temp_state = HBA_NORMAL_TEMP;
390 spin_unlock_irq(&phba->hbalock);
391
dea3101e 392 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
393 if (!pmb) {
2e0fef85 394 phba->link_state = LPFC_HBA_ERROR;
dea3101e 395 return -ENOMEM;
396 }
04c68496 397 mb = &pmb->u.mb;
dea3101e 398
dea3101e 399 /* Get login parameters for NID. */
9f1177a3
JS		 400 rc = lpfc_read_sparam(phba, pmb, 0);
401 if (rc) {
402 mempool_free(pmb, phba->mbox_mem_pool);
403 return -ENOMEM;
404 }
405
ed957684 406 pmb->vport = vport;
dea3101e 407 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
ed957684 408 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 409 "0448 Adapter failed init, mbxCmd x%x "
dea3101e 410 "READ_SPARM mbxStatus x%x\n",
dea3101e 411 mb->mbxCommand, mb->mbxStatus);
2e0fef85 412 phba->link_state = LPFC_HBA_ERROR;
dea3101e 413 mp = (struct lpfc_dmabuf *) pmb->context1;
9f1177a3 414 mempool_free(pmb, phba->mbox_mem_pool);
dea3101e 415 lpfc_mbuf_free(phba, mp->virt, mp->phys);
416 kfree(mp);
417 return -EIO;
418 }
419
420 mp = (struct lpfc_dmabuf *) pmb->context1;
421
2e0fef85 422 memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
dea3101e 423 lpfc_mbuf_free(phba, mp->virt, mp->phys);
424 kfree(mp);
425 pmb->context1 = NULL;
0558056c 426 lpfc_update_vport_wwn(vport);
a257bf90
JS		 427
428 /* Update the fc_host data structures with new wwn. */
429 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
430 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
21e9a0a5 431 fc_host_max_npiv_vports(shost) = phba->max_vpi;
a257bf90 432
dea3101e 433 /* If no serial number in VPD data, use low 6 bytes of WWNN */
434 /* This should be consolidated into parse_vpd ? - mr */
435 if (phba->SerialNumber[0] == 0) {
436 uint8_t *outptr;
437
2e0fef85 438 outptr = &vport->fc_nodename.u.s.IEEE[0];
dea3101e 439 for (i = 0; i < 12; i++) {
440 status = *outptr++;
441 j = ((status & 0xf0) >> 4);
442 if (j <= 9)
443 phba->SerialNumber[i] =
444 (char)((uint8_t) 0x30 + (uint8_t) j);
445 else
446 phba->SerialNumber[i] =
447 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
448 i++;
449 j = (status & 0xf);
450 if (j <= 9)
451 phba->SerialNumber[i] =
452 (char)((uint8_t) 0x30 + (uint8_t) j);
453 else
454 phba->SerialNumber[i] =
455 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
456 }
457 }
458
dea3101e 459 lpfc_read_config(phba, pmb);
ed957684 460 pmb->vport = vport;
dea3101e 461 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
ed957684 462 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 463 "0453 Adapter failed to init, mbxCmd x%x "
dea3101e 464 "READ_CONFIG, mbxStatus x%x\n",
dea3101e 465 mb->mbxCommand, mb->mbxStatus);
2e0fef85 466 phba->link_state = LPFC_HBA_ERROR;
dea3101e 467 mempool_free( pmb, phba->mbox_mem_pool);
468 return -EIO;
469 }
470
a0c87cbd
JS		 471 /* Check if the port is disabled */
472 lpfc_sli_read_link_ste(phba);
473
dea3101e 474 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
475 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
476 phba->cfg_hba_queue_depth =
f1126688
JS		 477 (mb->un.varRdConfig.max_xri + 1) -
478 lpfc_sli4_get_els_iocb_cnt(phba);
dea3101e 479
480 phba->lmt = mb->un.varRdConfig.lmt;
74b72a59
JW		 481
482 /* Get the default values for Model Name and Description */
483 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
484
2e0fef85 485 phba->link_state = LPFC_LINK_DOWN;
dea3101e 486
0b727fea 487 /* Only process IOCBs on ELS ring till hba_state is READY */
7e56aa25 488 if (psli->ring[psli->extra_ring].sli.sli3.cmdringaddr)
a4bc3379 489 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
7e56aa25 490 if (psli->ring[psli->fcp_ring].sli.sli3.cmdringaddr)
dea3101e 491 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
7e56aa25 492 if (psli->ring[psli->next_ring].sli.sli3.cmdringaddr)
dea3101e 493 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
494
495 /* Post receive buffers for desired rings */
ed957684
JS		 496 if (phba->sli_rev != 3)
497 lpfc_post_rcv_buf(phba);
dea3101e 498
9399627f
JS		 499 /*
500 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
501 */
502 if (phba->intr_type == MSIX) {
503 rc = lpfc_config_msi(phba, pmb);
504 if (rc) {
505 mempool_free(pmb, phba->mbox_mem_pool);
506 return -EIO;
507 }
508 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
509 if (rc != MBX_SUCCESS) {
510 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
511 "0352 Config MSI mailbox command "
512 "failed, mbxCmd x%x, mbxStatus x%x\n",
04c68496
JS		 513 pmb->u.mb.mbxCommand,
514 pmb->u.mb.mbxStatus);
9399627f
JS		 515 mempool_free(pmb, phba->mbox_mem_pool);
516 return -EIO;
517 }
518 }
519
04c68496 520 spin_lock_irq(&phba->hbalock);
9399627f
JS		 521 /* Initialize ERATT handling flag */
522 phba->hba_flag &= ~HBA_ERATT_HANDLED;
523
dea3101e 524 /* Enable appropriate host interrupts */
9940b97b
JS		 525 if (lpfc_readl(phba->HCregaddr, &status)) {
526 spin_unlock_irq(&phba->hbalock);
527 return -EIO;
528 }
dea3101e 529 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
530 if (psli->num_rings > 0)
531 status |= HC_R0INT_ENA;
532 if (psli->num_rings > 1)
533 status |= HC_R1INT_ENA;
534 if (psli->num_rings > 2)
535 status |= HC_R2INT_ENA;
536 if (psli->num_rings > 3)
537 status |= HC_R3INT_ENA;
538
875fbdfe
JSEC		 539 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
540 (phba->cfg_poll & DISABLE_FCP_RING_INT))
9399627f 541 status &= ~(HC_R0INT_ENA);
875fbdfe 542
dea3101e 543 writel(status, phba->HCregaddr);
544 readl(phba->HCregaddr); /* flush */
2e0fef85 545 spin_unlock_irq(&phba->hbalock);
dea3101e 546
9399627f
JS		 547 /* Set up ring-0 (ELS) timer */
548 timeout = phba->fc_ratov * 2;
256ec0d0
JS		 549 mod_timer(&vport->els_tmofunc,
550 jiffies + msecs_to_jiffies(1000 * timeout));
9399627f 551 /* Set up heart beat (HB) timer */
256ec0d0
JS		 552 mod_timer(&phba->hb_tmofunc,
553 jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
858c9f6c
JS		 554 phba->hb_outstanding = 0;
555 phba->last_completion_time = jiffies;
9399627f 556 /* Set up error attention (ERATT) polling timer */
256ec0d0
JS		 557 mod_timer(&phba->eratt_poll,
558 jiffies + msecs_to_jiffies(1000 * LPFC_ERATT_POLL_INTERVAL));
dea3101e 559
a0c87cbd
JS		 560 if (phba->hba_flag & LINK_DISABLED) {
561 lpfc_printf_log(phba,
562 KERN_ERR, LOG_INIT,
563 "2598 Adapter Link is disabled.\n");
564 lpfc_down_link(phba, pmb);
565 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
566 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
567 if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
568 lpfc_printf_log(phba,
569 KERN_ERR, LOG_INIT,
570 "2599 Adapter failed to issue DOWN_LINK"
571 " mbox command rc 0x%x\n", rc);
572
573 mempool_free(pmb, phba->mbox_mem_pool);
574 return -EIO;
575 }
e40a02c1 576 } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) {
026abb87
JS		 577 mempool_free(pmb, phba->mbox_mem_pool);
578 rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT);
579 if (rc)
580 return rc;
dea3101e 581 }
582 /* MBOX buffer will be freed in mbox compl */
57127f15 583 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
9f1177a3
JS		 584 if (!pmb) {
585 phba->link_state = LPFC_HBA_ERROR;
586 return -ENOMEM;
587 }
588
57127f15
JS		 589 lpfc_config_async(phba, pmb, LPFC_ELS_RING);
590 pmb->mbox_cmpl = lpfc_config_async_cmpl;
591 pmb->vport = phba->pport;
592 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
dea3101e 593
57127f15
JS		 594 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
595 lpfc_printf_log(phba,
596 KERN_ERR,
597 LOG_INIT,
598 "0456 Adapter failed to issue "
e4e74273 599 "ASYNCEVT_ENABLE mbox status x%x\n",
57127f15
JS		 600 rc);
601 mempool_free(pmb, phba->mbox_mem_pool);
602 }
97207482
JS		 603
604 /* Get Option rom version */
605 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
9f1177a3
JS		 606 if (!pmb) {
607 phba->link_state = LPFC_HBA_ERROR;
608 return -ENOMEM;
609 }
610
97207482
JS		 611 lpfc_dump_wakeup_param(phba, pmb);
612 pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl;
613 pmb->vport = phba->pport;
614 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
615
616 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
617 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed "
e4e74273 618 "to get Option ROM version status x%x\n", rc);
97207482
JS		 619 mempool_free(pmb, phba->mbox_mem_pool);
620 }
621
d7c255b2 622 return 0;
ce8b3ce5
JS		 623}
624
84d1b006
JS		 625/**
626 * lpfc_hba_init_link - Initialize the FC link
627 * @phba: pointer to lpfc hba data structure.
6e7288d9 628 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
84d1b006
JS		 629 *
630 * This routine will issue the INIT_LINK mailbox command call.
631 * It is available to other drivers through the lpfc_hba data
632 * structure for use as a delayed link up mechanism with the
633 * module parameter lpfc_suppress_link_up.
634 *
635 * Return code
636 * 0 - success
637 * Any other value - error
638 **/
639int
6e7288d9 640lpfc_hba_init_link(struct lpfc_hba *phba, uint32_t flag)
1b51197d
JS		 641{
642 return lpfc_hba_init_link_fc_topology(phba, phba->cfg_topology, flag);
643}
644
645/**
646 * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology
647 * @phba: pointer to lpfc hba data structure.
648 * @fc_topology: desired fc topology.
649 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
650 *
651 * This routine will issue the INIT_LINK mailbox command call.
652 * It is available to other drivers through the lpfc_hba data
653 * structure for use as a delayed link up mechanism with the
654 * module parameter lpfc_suppress_link_up.
655 *
656 * Return code
657 * 0 - success
658 * Any other value - error
659 **/
660int
661lpfc_hba_init_link_fc_topology(struct lpfc_hba *phba, uint32_t fc_topology,
662 uint32_t flag)
84d1b006
JS		 663{
664 struct lpfc_vport *vport = phba->pport;
665 LPFC_MBOXQ_t *pmb;
666 MAILBOX_t *mb;
667 int rc;
668
669 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
670 if (!pmb) {
671 phba->link_state = LPFC_HBA_ERROR;
672 return -ENOMEM;
673 }
674 mb = &pmb->u.mb;
675 pmb->vport = vport;
676
026abb87
JS		 677 if ((phba->cfg_link_speed > LPFC_USER_LINK_SPEED_MAX) ||
678 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_1G) &&
679 !(phba->lmt & LMT_1Gb)) ||
680 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_2G) &&
681 !(phba->lmt & LMT_2Gb)) ||
682 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_4G) &&
683 !(phba->lmt & LMT_4Gb)) ||
684 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_8G) &&
685 !(phba->lmt & LMT_8Gb)) ||
686 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_10G) &&
687 !(phba->lmt & LMT_10Gb)) ||
688 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G) &&
689 !(phba->lmt & LMT_16Gb))) {
690 /* Reset link speed to auto */
691 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
692 "1302 Invalid speed for this board:%d "
693 "Reset link speed to auto.\n",
694 phba->cfg_link_speed);
695 phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO;
696 }
1b51197d 697 lpfc_init_link(phba, pmb, fc_topology, phba->cfg_link_speed);
84d1b006 698 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1b51197d
JS		 699 if (phba->sli_rev < LPFC_SLI_REV4)
700 lpfc_set_loopback_flag(phba);
6e7288d9 701 rc = lpfc_sli_issue_mbox(phba, pmb, flag);
76a95d75 702 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
84d1b006
JS		 703 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
704 "0498 Adapter failed to init, mbxCmd x%x "
705 "INIT_LINK, mbxStatus x%x\n",
706 mb->mbxCommand, mb->mbxStatus);
76a95d75
JS		 707 if (phba->sli_rev <= LPFC_SLI_REV3) {
708 /* Clear all interrupt enable conditions */
709 writel(0, phba->HCregaddr);
710 readl(phba->HCregaddr); /* flush */
711 /* Clear all pending interrupts */
712 writel(0xffffffff, phba->HAregaddr);
713 readl(phba->HAregaddr); /* flush */
714 }
84d1b006 715 phba->link_state = LPFC_HBA_ERROR;
6e7288d9 716 if (rc != MBX_BUSY || flag == MBX_POLL)
84d1b006
JS		 717 mempool_free(pmb, phba->mbox_mem_pool);
718 return -EIO;
719 }
e40a02c1 720 phba->cfg_suppress_link_up = LPFC_INITIALIZE_LINK;
6e7288d9
JS		 721 if (flag == MBX_POLL)
722 mempool_free(pmb, phba->mbox_mem_pool);
84d1b006
JS		 723
724 return 0;
725}
726
727/**
728 * lpfc_hba_down_link - this routine downs the FC link
6e7288d9
JS		 729 * @phba: pointer to lpfc hba data structure.
730 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
84d1b006
JS		 731 *
732 * This routine will issue the DOWN_LINK mailbox command call.
733 * It is available to other drivers through the lpfc_hba data
734 * structure for use to stop the link.
735 *
736 * Return code
737 * 0 - success
738 * Any other value - error
739 **/
740int
6e7288d9 741lpfc_hba_down_link(struct lpfc_hba *phba, uint32_t flag)
84d1b006
JS		 742{
743 LPFC_MBOXQ_t *pmb;
744 int rc;
745
746 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
747 if (!pmb) {
748 phba->link_state = LPFC_HBA_ERROR;
749 return -ENOMEM;
750 }
751
752 lpfc_printf_log(phba,
753 KERN_ERR, LOG_INIT,
754 "0491 Adapter Link is disabled.\n");
755 lpfc_down_link(phba, pmb);
756 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
6e7288d9 757 rc = lpfc_sli_issue_mbox(phba, pmb, flag);
84d1b006
JS		 758 if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
759 lpfc_printf_log(phba,
760 KERN_ERR, LOG_INIT,
761 "2522 Adapter failed to issue DOWN_LINK"
762 " mbox command rc 0x%x\n", rc);
763
764 mempool_free(pmb, phba->mbox_mem_pool);
765 return -EIO;
766 }
6e7288d9
JS		 767 if (flag == MBX_POLL)
768 mempool_free(pmb, phba->mbox_mem_pool);
769
84d1b006
JS		 770 return 0;
771}
772
e59058c4 773/**
3621a710 774 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
e59058c4
JS		 775 * @phba: pointer to lpfc HBA data structure.
776 *
777 * This routine will do LPFC uninitialization before the HBA is reset when
778 * bringing down the SLI Layer.
779 *
780 * Return codes
781 * 0 - success.
782 * Any other value - error.
783 **/
dea3101e 784int
2e0fef85 785lpfc_hba_down_prep(struct lpfc_hba *phba)
dea3101e 786{
1b32f6aa
JS		 787 struct lpfc_vport **vports;
788 int i;
3772a991
JS		 789
790 if (phba->sli_rev <= LPFC_SLI_REV3) {
791 /* Disable interrupts */
792 writel(0, phba->HCregaddr);
793 readl(phba->HCregaddr); /* flush */
794 }
dea3101e 795
1b32f6aa
JS		 796 if (phba->pport->load_flag & FC_UNLOADING)
797 lpfc_cleanup_discovery_resources(phba->pport);
798 else {
799 vports = lpfc_create_vport_work_array(phba);
800 if (vports != NULL)
3772a991
JS		 801 for (i = 0; i <= phba->max_vports &&
802 vports[i] != NULL; i++)
1b32f6aa
JS		 803 lpfc_cleanup_discovery_resources(vports[i]);
804 lpfc_destroy_vport_work_array(phba, vports);
7f5f3d0d
JS		 805 }
806 return 0;
dea3101e 807}
808
e59058c4 809/**
3772a991 810 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
e59058c4
JS		 811 * @phba: pointer to lpfc HBA data structure.
812 *
813 * This routine will do uninitialization after the HBA is reset when bring
814 * down the SLI Layer.
815 *
816 * Return codes
af901ca1 817 * 0 - success.
e59058c4
JS		 818 * Any other value - error.
819 **/
3772a991
JS		 820static int
821lpfc_hba_down_post_s3(struct lpfc_hba *phba)
41415862
JW		 822{
823 struct lpfc_sli *psli = &phba->sli;
824 struct lpfc_sli_ring *pring;
825 struct lpfc_dmabuf *mp, *next_mp;
09372820 826 LIST_HEAD(completions);
41415862
JW		 827 int i;
828
92d7f7b0
JS		 829 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
830 lpfc_sli_hbqbuf_free_all(phba);
831 else {
832 /* Cleanup preposted buffers on the ELS ring */
833 pring = &psli->ring[LPFC_ELS_RING];
834 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
835 list_del(&mp->list);
836 pring->postbufq_cnt--;
837 lpfc_mbuf_free(phba, mp->virt, mp->phys);
838 kfree(mp);
839 }
41415862
JW		 840 }
841
09372820 842 spin_lock_irq(&phba->hbalock);
41415862
JW		 843 for (i = 0; i < psli->num_rings; i++) {
844 pring = &psli->ring[i];
09372820
JS		 845
846 /* At this point in time the HBA is either reset or DOA. Either
847 * way, nothing should be on txcmplq as it will NEVER complete.
848 */
849 list_splice_init(&pring->txcmplq, &completions);
09372820
JS		 850 spin_unlock_irq(&phba->hbalock);
851
a257bf90
JS		 852 /* Cancel all the IOCBs from the completions list */
853 lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
854 IOERR_SLI_ABORTED);
09372820 855
41415862 856 lpfc_sli_abort_iocb_ring(phba, pring);
09372820 857 spin_lock_irq(&phba->hbalock);
41415862 858 }
09372820 859 spin_unlock_irq(&phba->hbalock);
41415862
JW		 860
861 return 0;
862}
5af5eee7 863
da0436e9
JS		 864/**
865 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
866 * @phba: pointer to lpfc HBA data structure.
867 *
868 * This routine will do uninitialization after the HBA is reset when bring
869 * down the SLI Layer.
870 *
871 * Return codes
af901ca1 872 * 0 - success.
da0436e9
JS		 873 * Any other value - error.
874 **/
875static int
876lpfc_hba_down_post_s4(struct lpfc_hba *phba)
877{
878 struct lpfc_scsi_buf *psb, *psb_next;
879 LIST_HEAD(aborts);
880 int ret;
881 unsigned long iflag = 0;
0f65ff68
JS		 882 struct lpfc_sglq *sglq_entry = NULL;
883
da0436e9
JS		 884 ret = lpfc_hba_down_post_s3(phba);
885 if (ret)
886 return ret;
887 /* At this point in time the HBA is either reset or DOA. Either
888 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
889 * on the lpfc_sgl_list so that it can either be freed if the
890 * driver is unloading or reposted if the driver is restarting
891 * the port.
892 */
893 spin_lock_irq(&phba->hbalock); /* required for lpfc_sgl_list and */
894 /* scsl_buf_list */
895 /* abts_sgl_list_lock required because worker thread uses this
896 * list.
897 */
898 spin_lock(&phba->sli4_hba.abts_sgl_list_lock);
0f65ff68
JS		 899 list_for_each_entry(sglq_entry,
900 &phba->sli4_hba.lpfc_abts_els_sgl_list, list)
901 sglq_entry->state = SGL_FREED;
902
da0436e9
JS		 903 list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list,
904 &phba->sli4_hba.lpfc_sgl_list);
905 spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
906 /* abts_scsi_buf_list_lock required because worker thread uses this
907 * list.
908 */
909 spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock);
910 list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list,
911 &aborts);
912 spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock);
913 spin_unlock_irq(&phba->hbalock);
914
915 list_for_each_entry_safe(psb, psb_next, &aborts, list) {
916 psb->pCmd = NULL;
917 psb->status = IOSTAT_SUCCESS;
918 }
a40fc5f0
JS		 919 spin_lock_irqsave(&phba->scsi_buf_list_put_lock, iflag);
920 list_splice(&aborts, &phba->lpfc_scsi_buf_list_put);
921 spin_unlock_irqrestore(&phba->scsi_buf_list_put_lock, iflag);
da0436e9
JS		 922 return 0;
923}
924
925/**
926 * lpfc_hba_down_post - Wrapper func for hba down post routine
927 * @phba: pointer to lpfc HBA data structure.
928 *
929 * This routine wraps the actual SLI3 or SLI4 routine for performing
930 * uninitialization after the HBA is reset when bring down the SLI Layer.
931 *
932 * Return codes
af901ca1 933 * 0 - success.
da0436e9
JS		 934 * Any other value - error.
935 **/
936int
937lpfc_hba_down_post(struct lpfc_hba *phba)
938{
939 return (*phba->lpfc_hba_down_post)(phba);
940}
41415862 941
e59058c4 942/**
3621a710 943 * lpfc_hb_timeout - The HBA-timer timeout handler
e59058c4
JS		 944 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
945 *
946 * This is the HBA-timer timeout handler registered to the lpfc driver. When
947 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
948 * work-port-events bitmap and the worker thread is notified. This timeout
949 * event will be used by the worker thread to invoke the actual timeout
950 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
951 * be performed in the timeout handler and the HBA timeout event bit shall
952 * be cleared by the worker thread after it has taken the event bitmap out.
953 **/
a6ababd2 954static void
858c9f6c
JS		 955lpfc_hb_timeout(unsigned long ptr)
956{
957 struct lpfc_hba *phba;
5e9d9b82 958 uint32_t tmo_posted;
858c9f6c
JS		 959 unsigned long iflag;
960
961 phba = (struct lpfc_hba *)ptr;
9399627f
JS		 962
963 /* Check for heart beat timeout conditions */
858c9f6c 964 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
5e9d9b82
JS		 965 tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO;
966 if (!tmo_posted)
858c9f6c
JS		 967 phba->pport->work_port_events |= WORKER_HB_TMO;
968 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
969
9399627f 970 /* Tell the worker thread there is work to do */
5e9d9b82
JS		 971 if (!tmo_posted)
972 lpfc_worker_wake_up(phba);
858c9f6c
JS		 973 return;
974}
975
19ca7609
JS		 976/**
977 * lpfc_rrq_timeout - The RRQ-timer timeout handler
978 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
979 *
980 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
981 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
982 * work-port-events bitmap and the worker thread is notified. This timeout
983 * event will be used by the worker thread to invoke the actual timeout
984 * handler routine, lpfc_rrq_handler. Any periodical operations will
985 * be performed in the timeout handler and the RRQ timeout event bit shall
986 * be cleared by the worker thread after it has taken the event bitmap out.
987 **/
988static void
989lpfc_rrq_timeout(unsigned long ptr)
990{
991 struct lpfc_hba *phba;
19ca7609
JS		 992 unsigned long iflag;
993
994 phba = (struct lpfc_hba *)ptr;
995 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
1151e3ec 996 phba->hba_flag |= HBA_RRQ_ACTIVE;
19ca7609 997 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
1151e3ec 998 lpfc_worker_wake_up(phba);
19ca7609
JS		 999}
1000
e59058c4 1001/**
3621a710 1002 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
e59058c4
JS		 1003 * @phba: pointer to lpfc hba data structure.
1004 * @pmboxq: pointer to the driver internal queue element for mailbox command.
1005 *
1006 * This is the callback function to the lpfc heart-beat mailbox command.
1007 * If configured, the lpfc driver issues the heart-beat mailbox command to
1008 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
1009 * heart-beat mailbox command is issued, the driver shall set up heart-beat
1010 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
1011 * heart-beat outstanding state. Once the mailbox command comes back and
1012 * no error conditions detected, the heart-beat mailbox command timer is
1013 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1014 * state is cleared for the next heart-beat. If the timer expired with the
1015 * heart-beat outstanding state set, the driver will put the HBA offline.
1016 **/
858c9f6c
JS		 1017static void
1018lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
1019{
1020 unsigned long drvr_flag;
1021
1022 spin_lock_irqsave(&phba->hbalock, drvr_flag);
1023 phba->hb_outstanding = 0;
1024 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
1025
9399627f 1026 /* Check and reset heart-beat timer is necessary */
858c9f6c
JS		 1027 mempool_free(pmboxq, phba->mbox_mem_pool);
1028 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
1029 !(phba->link_state == LPFC_HBA_ERROR) &&
51ef4c26 1030 !(phba->pport->load_flag & FC_UNLOADING))
858c9f6c 1031 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1032 jiffies +
1033 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
858c9f6c
JS		 1034 return;
1035}
1036
e59058c4 1037/**
3621a710 1038 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
e59058c4
JS		 1039 * @phba: pointer to lpfc hba data structure.
1040 *
1041 * This is the actual HBA-timer timeout handler to be invoked by the worker
1042 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1043 * handler performs any periodic operations needed for the device. If such
1044 * periodic event has already been attended to either in the interrupt handler
1045 * or by processing slow-ring or fast-ring events within the HBA-timer
1046 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1047 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1048 * is configured and there is no heart-beat mailbox command outstanding, a
1049 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1050 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1051 * to offline.
1052 **/
858c9f6c
JS		 1053void
1054lpfc_hb_timeout_handler(struct lpfc_hba *phba)
1055{
45ed1190 1056 struct lpfc_vport **vports;
858c9f6c 1057 LPFC_MBOXQ_t *pmboxq;
0ff10d46 1058 struct lpfc_dmabuf *buf_ptr;
45ed1190 1059 int retval, i;
858c9f6c 1060 struct lpfc_sli *psli = &phba->sli;
0ff10d46 1061 LIST_HEAD(completions);
858c9f6c 1062
45ed1190
JS		 1063 vports = lpfc_create_vport_work_array(phba);
1064 if (vports != NULL)
1065 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
1066 lpfc_rcv_seq_check_edtov(vports[i]);
1067 lpfc_destroy_vport_work_array(phba, vports);
1068
858c9f6c 1069 if ((phba->link_state == LPFC_HBA_ERROR) ||
51ef4c26 1070 (phba->pport->load_flag & FC_UNLOADING) ||
858c9f6c
JS		 1071 (phba->pport->fc_flag & FC_OFFLINE_MODE))
1072 return;
1073
1074 spin_lock_irq(&phba->pport->work_port_lock);
858c9f6c 1075
256ec0d0
JS		 1076 if (time_after(phba->last_completion_time +
1077 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL),
1078 jiffies)) {
858c9f6c
JS		 1079 spin_unlock_irq(&phba->pport->work_port_lock);
1080 if (!phba->hb_outstanding)
1081 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1082 jiffies +
1083 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
858c9f6c
JS		 1084 else
1085 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1086 jiffies +
1087 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
858c9f6c
JS		 1088 return;
1089 }
1090 spin_unlock_irq(&phba->pport->work_port_lock);
1091
0ff10d46
JS		 1092 if (phba->elsbuf_cnt &&
1093 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
1094 spin_lock_irq(&phba->hbalock);
1095 list_splice_init(&phba->elsbuf, &completions);
1096 phba->elsbuf_cnt = 0;
1097 phba->elsbuf_prev_cnt = 0;
1098 spin_unlock_irq(&phba->hbalock);
1099
1100 while (!list_empty(&completions)) {
1101 list_remove_head(&completions, buf_ptr,
1102 struct lpfc_dmabuf, list);
1103 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
1104 kfree(buf_ptr);
1105 }
1106 }
1107 phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
1108
858c9f6c 1109 /* If there is no heart beat outstanding, issue a heartbeat command */
13815c83
JS		 1110 if (phba->cfg_enable_hba_heartbeat) {
1111 if (!phba->hb_outstanding) {
bc73905a
JS		 1112 if ((!(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) &&
1113 (list_empty(&psli->mboxq))) {
1114 pmboxq = mempool_alloc(phba->mbox_mem_pool,
1115 GFP_KERNEL);
1116 if (!pmboxq) {
1117 mod_timer(&phba->hb_tmofunc,
1118 jiffies +
256ec0d0
JS		 1119 msecs_to_jiffies(1000 *
1120 LPFC_HB_MBOX_INTERVAL));
bc73905a
JS		 1121 return;
1122 }
1123
1124 lpfc_heart_beat(phba, pmboxq);
1125 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
1126 pmboxq->vport = phba->pport;
1127 retval = lpfc_sli_issue_mbox(phba, pmboxq,
1128 MBX_NOWAIT);
1129
1130 if (retval != MBX_BUSY &&
1131 retval != MBX_SUCCESS) {
1132 mempool_free(pmboxq,
1133 phba->mbox_mem_pool);
1134 mod_timer(&phba->hb_tmofunc,
1135 jiffies +
256ec0d0
JS		 1136 msecs_to_jiffies(1000 *
1137 LPFC_HB_MBOX_INTERVAL));
bc73905a
JS		 1138 return;
1139 }
1140 phba->skipped_hb = 0;
1141 phba->hb_outstanding = 1;
1142 } else if (time_before_eq(phba->last_completion_time,
1143 phba->skipped_hb)) {
1144 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1145 "2857 Last completion time not "
1146 " updated in %d ms\n",
1147 jiffies_to_msecs(jiffies
1148 - phba->last_completion_time));
1149 } else
1150 phba->skipped_hb = jiffies;
1151
858c9f6c 1152 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1153 jiffies +
1154 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
858c9f6c 1155 return;
13815c83
JS		 1156 } else {
1157 /*
1158 * If heart beat timeout called with hb_outstanding set
dcf2a4e0
JS		 1159 * we need to give the hb mailbox cmd a chance to
1160 * complete or TMO.
13815c83 1161 */
dcf2a4e0
JS		 1162 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1163 "0459 Adapter heartbeat still out"
1164 "standing:last compl time was %d ms.\n",
1165 jiffies_to_msecs(jiffies
1166 - phba->last_completion_time));
1167 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1168 jiffies +
1169 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
858c9f6c 1170 }
858c9f6c
JS		 1171 }
1172}
1173
e59058c4 1174/**
3621a710 1175 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
e59058c4
JS		 1176 * @phba: pointer to lpfc hba data structure.
1177 *
1178 * This routine is called to bring the HBA offline when HBA hardware error
1179 * other than Port Error 6 has been detected.
1180 **/
09372820
JS		 1181static void
1182lpfc_offline_eratt(struct lpfc_hba *phba)
1183{
1184 struct lpfc_sli *psli = &phba->sli;
1185
1186 spin_lock_irq(&phba->hbalock);
f4b4c68f 1187 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
09372820 1188 spin_unlock_irq(&phba->hbalock);
618a5230 1189 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
09372820
JS		 1190
1191 lpfc_offline(phba);
1192 lpfc_reset_barrier(phba);
f4b4c68f 1193 spin_lock_irq(&phba->hbalock);
09372820 1194 lpfc_sli_brdreset(phba);
f4b4c68f 1195 spin_unlock_irq(&phba->hbalock);
09372820
JS		 1196 lpfc_hba_down_post(phba);
1197 lpfc_sli_brdready(phba, HS_MBRDY);
1198 lpfc_unblock_mgmt_io(phba);
1199 phba->link_state = LPFC_HBA_ERROR;
1200 return;
1201}
1202
da0436e9
JS		 1203/**
1204 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1205 * @phba: pointer to lpfc hba data structure.
1206 *
1207 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1208 * other than Port Error 6 has been detected.
1209 **/
a88dbb6a 1210void
da0436e9
JS		 1211lpfc_sli4_offline_eratt(struct lpfc_hba *phba)
1212{
618a5230 1213 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
da0436e9
JS		 1214 lpfc_offline(phba);
1215 lpfc_sli4_brdreset(phba);
1216 lpfc_hba_down_post(phba);
1217 lpfc_sli4_post_status_check(phba);
1218 lpfc_unblock_mgmt_io(phba);
1219 phba->link_state = LPFC_HBA_ERROR;
1220}
1221
a257bf90
JS		 1222/**
1223 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1224 * @phba: pointer to lpfc hba data structure.
1225 *
1226 * This routine is invoked to handle the deferred HBA hardware error
1227 * conditions. This type of error is indicated by HBA by setting ER1
1228 * and another ER bit in the host status register. The driver will
1229 * wait until the ER1 bit clears before handling the error condition.
1230 **/
1231static void
1232lpfc_handle_deferred_eratt(struct lpfc_hba *phba)
1233{
1234 uint32_t old_host_status = phba->work_hs;
1235 struct lpfc_sli_ring *pring;
1236 struct lpfc_sli *psli = &phba->sli;
1237
f4b4c68f
JS		 1238 /* If the pci channel is offline, ignore possible errors,
1239 * since we cannot communicate with the pci card anyway.
1240 */
1241 if (pci_channel_offline(phba->pcidev)) {
1242 spin_lock_irq(&phba->hbalock);
1243 phba->hba_flag &= ~DEFER_ERATT;
1244 spin_unlock_irq(&phba->hbalock);
1245 return;
1246 }
1247
a257bf90
JS		 1248 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1249 "0479 Deferred Adapter Hardware Error "
1250 "Data: x%x x%x x%x\n",
1251 phba->work_hs,
1252 phba->work_status[0], phba->work_status[1]);
1253
1254 spin_lock_irq(&phba->hbalock);
f4b4c68f 1255 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
a257bf90
JS		 1256 spin_unlock_irq(&phba->hbalock);
1257
1258
1259 /*
1260 * Firmware stops when it triggred erratt. That could cause the I/Os
1261 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1262 * SCSI layer retry it after re-establishing link.
1263 */
1264 pring = &psli->ring[psli->fcp_ring];
1265 lpfc_sli_abort_iocb_ring(phba, pring);
1266
1267 /*
1268 * There was a firmware error. Take the hba offline and then
1269 * attempt to restart it.
1270 */
618a5230 1271 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
a257bf90
JS		 1272 lpfc_offline(phba);
1273
1274 /* Wait for the ER1 bit to clear.*/
1275 while (phba->work_hs & HS_FFER1) {
1276 msleep(100);
9940b97b
JS		 1277 if (lpfc_readl(phba->HSregaddr, &phba->work_hs)) {
1278 phba->work_hs = UNPLUG_ERR ;
1279 break;
1280 }
a257bf90
JS		 1281 /* If driver is unloading let the worker thread continue */
1282 if (phba->pport->load_flag & FC_UNLOADING) {
1283 phba->work_hs = 0;
1284 break;
1285 }
1286 }
1287
1288 /*
1289 * This is to ptrotect against a race condition in which
1290 * first write to the host attention register clear the
1291 * host status register.
1292 */
1293 if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING)))
1294 phba->work_hs = old_host_status & ~HS_FFER1;
1295
3772a991 1296 spin_lock_irq(&phba->hbalock);
a257bf90 1297 phba->hba_flag &= ~DEFER_ERATT;
3772a991 1298 spin_unlock_irq(&phba->hbalock);
a257bf90
JS		 1299 phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
1300 phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
1301}
1302
3772a991
JS		 1303static void
1304lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba)
1305{
1306 struct lpfc_board_event_header board_event;
1307 struct Scsi_Host *shost;
1308
1309 board_event.event_type = FC_REG_BOARD_EVENT;
1310 board_event.subcategory = LPFC_EVENT_PORTINTERR;
1311 shost = lpfc_shost_from_vport(phba->pport);
1312 fc_host_post_vendor_event(shost, fc_get_event_number(),
1313 sizeof(board_event),
1314 (char *) &board_event,
1315 LPFC_NL_VENDOR_ID);
1316}
1317
e59058c4 1318/**
3772a991 1319 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
e59058c4
JS		 1320 * @phba: pointer to lpfc hba data structure.
1321 *
1322 * This routine is invoked to handle the following HBA hardware error
1323 * conditions:
1324 * 1 - HBA error attention interrupt
1325 * 2 - DMA ring index out of range
1326 * 3 - Mailbox command came back as unknown
1327 **/
3772a991
JS		 1328static void
1329lpfc_handle_eratt_s3(struct lpfc_hba *phba)
dea3101e 1330{
2e0fef85 1331 struct lpfc_vport *vport = phba->pport;
2e0fef85 1332 struct lpfc_sli *psli = &phba->sli;
dea3101e 1333 struct lpfc_sli_ring *pring;
d2873e4c 1334 uint32_t event_data;
57127f15
JS		 1335 unsigned long temperature;
1336 struct temp_event temp_event_data;
92d7f7b0 1337 struct Scsi_Host *shost;
2e0fef85 1338
8d63f375 1339 /* If the pci channel is offline, ignore possible errors,
3772a991
JS		 1340 * since we cannot communicate with the pci card anyway.
1341 */
1342 if (pci_channel_offline(phba->pcidev)) {
1343 spin_lock_irq(&phba->hbalock);
1344 phba->hba_flag &= ~DEFER_ERATT;
1345 spin_unlock_irq(&phba->hbalock);
8d63f375 1346 return;
3772a991
JS		 1347 }
1348
13815c83
JS		 1349 /* If resets are disabled then leave the HBA alone and return */
1350 if (!phba->cfg_enable_hba_reset)
1351 return;
dea3101e 1352
ea2151b4 1353 /* Send an internal error event to mgmt application */
3772a991 1354 lpfc_board_errevt_to_mgmt(phba);
ea2151b4 1355
a257bf90
JS		 1356 if (phba->hba_flag & DEFER_ERATT)
1357 lpfc_handle_deferred_eratt(phba);
1358
dcf2a4e0
JS		 1359 if ((phba->work_hs & HS_FFER6) || (phba->work_hs & HS_FFER8)) {
1360 if (phba->work_hs & HS_FFER6)
1361 /* Re-establishing Link */
1362 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
1363 "1301 Re-establishing Link "
1364 "Data: x%x x%x x%x\n",
1365 phba->work_hs, phba->work_status[0],
1366 phba->work_status[1]);
1367 if (phba->work_hs & HS_FFER8)
1368 /* Device Zeroization */
1369 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
1370 "2861 Host Authentication device "
1371 "zeroization Data:x%x x%x x%x\n",
1372 phba->work_hs, phba->work_status[0],
1373 phba->work_status[1]);
58da1ffb 1374
92d7f7b0 1375 spin_lock_irq(&phba->hbalock);
f4b4c68f 1376 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
92d7f7b0 1377 spin_unlock_irq(&phba->hbalock);
dea3101e 1378
1379 /*
1380 * Firmware stops when it triggled erratt with HS_FFER6.
1381 * That could cause the I/Os dropped by the firmware.
1382 * Error iocb (I/O) on txcmplq and let the SCSI layer
1383 * retry it after re-establishing link.
1384 */
1385 pring = &psli->ring[psli->fcp_ring];
1386 lpfc_sli_abort_iocb_ring(phba, pring);
1387
dea3101e 1388 /*
1389 * There was a firmware error. Take the hba offline and then
1390 * attempt to restart it.
1391 */
618a5230 1392 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
dea3101e 1393 lpfc_offline(phba);
41415862 1394 lpfc_sli_brdrestart(phba);
dea3101e 1395 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
46fa311e 1396 lpfc_unblock_mgmt_io(phba);
dea3101e 1397 return;
1398 }
46fa311e 1399 lpfc_unblock_mgmt_io(phba);
57127f15
JS		 1400 } else if (phba->work_hs & HS_CRIT_TEMP) {
1401 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
1402 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
1403 temp_event_data.event_code = LPFC_CRIT_TEMP;
1404 temp_event_data.data = (uint32_t)temperature;
1405
1406 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
d7c255b2 1407 "0406 Adapter maximum temperature exceeded "
57127f15
JS		 1408 "(%ld), taking this port offline "
1409 "Data: x%x x%x x%x\n",
1410 temperature, phba->work_hs,
1411 phba->work_status[0], phba->work_status[1]);
1412
1413 shost = lpfc_shost_from_vport(phba->pport);
1414 fc_host_post_vendor_event(shost, fc_get_event_number(),
1415 sizeof(temp_event_data),
1416 (char *) &temp_event_data,
1417 SCSI_NL_VID_TYPE_PCI
1418 | PCI_VENDOR_ID_EMULEX);
1419
7af67051 1420 spin_lock_irq(&phba->hbalock);
7af67051
JS		 1421 phba->over_temp_state = HBA_OVER_TEMP;
1422 spin_unlock_irq(&phba->hbalock);
09372820 1423 lpfc_offline_eratt(phba);
57127f15 1424
dea3101e 1425 } else {
1426 /* The if clause above forces this code path when the status
9399627f
JS		 1427 * failure is a value other than FFER6. Do not call the offline
1428 * twice. This is the adapter hardware error path.
dea3101e 1429 */
1430 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 1431 "0457 Adapter Hardware Error "
dea3101e 1432 "Data: x%x x%x x%x\n",
e8b62011 1433 phba->work_hs,
dea3101e 1434 phba->work_status[0], phba->work_status[1]);
1435
d2873e4c 1436 event_data = FC_REG_DUMP_EVENT;
92d7f7b0 1437 shost = lpfc_shost_from_vport(vport);
2e0fef85 1438 fc_host_post_vendor_event(shost, fc_get_event_number(),
d2873e4c
JS		 1439 sizeof(event_data), (char *) &event_data,
1440 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
1441
09372820 1442 lpfc_offline_eratt(phba);
dea3101e 1443 }
9399627f 1444 return;
dea3101e 1445}
1446
618a5230
JS		 1447/**
1448 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
1449 * @phba: pointer to lpfc hba data structure.
1450 * @mbx_action: flag for mailbox shutdown action.
1451 *
1452 * This routine is invoked to perform an SLI4 port PCI function reset in
1453 * response to port status register polling attention. It waits for port
1454 * status register (ERR, RDY, RN) bits before proceeding with function reset.
1455 * During this process, interrupt vectors are freed and later requested
1456 * for handling possible port resource change.
1457 **/
1458static int
1459lpfc_sli4_port_sta_fn_reset(struct lpfc_hba *phba, int mbx_action)
1460{
1461 int rc;
1462 uint32_t intr_mode;
1463
1464 /*
1465 * On error status condition, driver need to wait for port
1466 * ready before performing reset.
1467 */
1468 rc = lpfc_sli4_pdev_status_reg_wait(phba);
1469 if (!rc) {
1470 /* need reset: attempt for port recovery */
1471 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1472 "2887 Reset Needed: Attempting Port "
1473 "Recovery...\n");
1474 lpfc_offline_prep(phba, mbx_action);
1475 lpfc_offline(phba);
1476 /* release interrupt for possible resource change */
1477 lpfc_sli4_disable_intr(phba);
1478 lpfc_sli_brdrestart(phba);
1479 /* request and enable interrupt */
1480 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
1481 if (intr_mode == LPFC_INTR_ERROR) {
1482 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1483 "3175 Failed to enable interrupt\n");
1484 return -EIO;
1485 } else {
1486 phba->intr_mode = intr_mode;
1487 }
1488 rc = lpfc_online(phba);
1489 if (rc == 0)
1490 lpfc_unblock_mgmt_io(phba);
1491 }
1492 return rc;
1493}
1494
da0436e9
JS		 1495/**
1496 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1497 * @phba: pointer to lpfc hba data structure.
1498 *
1499 * This routine is invoked to handle the SLI4 HBA hardware error attention
1500 * conditions.
1501 **/
1502static void
1503lpfc_handle_eratt_s4(struct lpfc_hba *phba)
1504{
1505 struct lpfc_vport *vport = phba->pport;
1506 uint32_t event_data;
1507 struct Scsi_Host *shost;
2fcee4bf 1508 uint32_t if_type;
2e90f4b5
JS		 1509 struct lpfc_register portstat_reg = {0};
1510 uint32_t reg_err1, reg_err2;
1511 uint32_t uerrlo_reg, uemasklo_reg;
1512 uint32_t pci_rd_rc1, pci_rd_rc2;
73d91e50 1513 int rc;
da0436e9
JS		 1514
1515 /* If the pci channel is offline, ignore possible errors, since
1516 * we cannot communicate with the pci card anyway.
1517 */
1518 if (pci_channel_offline(phba->pcidev))
1519 return;
1520 /* If resets are disabled then leave the HBA alone and return */
1521 if (!phba->cfg_enable_hba_reset)
1522 return;
1523
2fcee4bf
JS		 1524 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
1525 switch (if_type) {
1526 case LPFC_SLI_INTF_IF_TYPE_0:
2e90f4b5
JS		 1527 pci_rd_rc1 = lpfc_readl(
1528 phba->sli4_hba.u.if_type0.UERRLOregaddr,
1529 &uerrlo_reg);
1530 pci_rd_rc2 = lpfc_readl(
1531 phba->sli4_hba.u.if_type0.UEMASKLOregaddr,
1532 &uemasklo_reg);
1533 /* consider PCI bus read error as pci_channel_offline */
1534 if (pci_rd_rc1 == -EIO && pci_rd_rc2 == -EIO)
1535 return;
2fcee4bf
JS		 1536 lpfc_sli4_offline_eratt(phba);
1537 break;
1538 case LPFC_SLI_INTF_IF_TYPE_2:
2e90f4b5
JS		 1539 pci_rd_rc1 = lpfc_readl(
1540 phba->sli4_hba.u.if_type2.STATUSregaddr,
1541 &portstat_reg.word0);
1542 /* consider PCI bus read error as pci_channel_offline */
6b5151fd
JS		 1543 if (pci_rd_rc1 == -EIO) {
1544 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1545 "3151 PCI bus read access failure: x%x\n",
1546 readl(phba->sli4_hba.u.if_type2.STATUSregaddr));
2e90f4b5 1547 return;
6b5151fd 1548 }
2e90f4b5
JS		 1549 reg_err1 = readl(phba->sli4_hba.u.if_type2.ERR1regaddr);
1550 reg_err2 = readl(phba->sli4_hba.u.if_type2.ERR2regaddr);
2fcee4bf
JS		 1551 if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) {
1552 /* TODO: Register for Overtemp async events. */
1553 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1554 "2889 Port Overtemperature event, "
026abb87 1555 "taking port offline\n");
2fcee4bf
JS		 1556 spin_lock_irq(&phba->hbalock);
1557 phba->over_temp_state = HBA_OVER_TEMP;
1558 spin_unlock_irq(&phba->hbalock);
1559 lpfc_sli4_offline_eratt(phba);
2e90f4b5 1560 break;
2fcee4bf 1561 }
2e90f4b5
JS		 1562 if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1563 reg_err2 == SLIPORT_ERR2_REG_FW_RESTART)
1564 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1565 "3143 Port Down: Firmware Restarted\n");
1566 else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1567 reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
1568 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1569 "3144 Port Down: Debug Dump\n");
1570 else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1571 reg_err2 == SLIPORT_ERR2_REG_FUNC_PROVISON)
1572 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1573 "3145 Port Down: Provisioning\n");
618a5230
JS		 1574
1575 /* Check port status register for function reset */
1576 rc = lpfc_sli4_port_sta_fn_reset(phba, LPFC_MBX_NO_WAIT);
1577 if (rc == 0) {
1578 /* don't report event on forced debug dump */
1579 if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1580 reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
1581 return;
1582 else
1583 break;
2fcee4bf 1584 }
618a5230 1585 /* fall through for not able to recover */
6b5151fd
JS		 1586 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1587 "3152 Unrecoverable error, bring the port "
1588 "offline\n");
2fcee4bf
JS		 1589 lpfc_sli4_offline_eratt(phba);
1590 break;
1591 case LPFC_SLI_INTF_IF_TYPE_1:
1592 default:
1593 break;
1594 }
2e90f4b5
JS		 1595 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1596 "3123 Report dump event to upper layer\n");
1597 /* Send an internal error event to mgmt application */
1598 lpfc_board_errevt_to_mgmt(phba);
1599
1600 event_data = FC_REG_DUMP_EVENT;
1601 shost = lpfc_shost_from_vport(vport);
1602 fc_host_post_vendor_event(shost, fc_get_event_number(),
1603 sizeof(event_data), (char *) &event_data,
1604 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
da0436e9
JS		 1605}
1606
1607/**
1608 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1609 * @phba: pointer to lpfc HBA data structure.
1610 *
1611 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1612 * routine from the API jump table function pointer from the lpfc_hba struct.
1613 *
1614 * Return codes
af901ca1 1615 * 0 - success.
da0436e9
JS		 1616 * Any other value - error.
1617 **/
1618void
1619lpfc_handle_eratt(struct lpfc_hba *phba)
1620{
1621 (*phba->lpfc_handle_eratt)(phba);
1622}
1623
e59058c4 1624/**
3621a710 1625 * lpfc_handle_latt - The HBA link event handler
e59058c4
JS		 1626 * @phba: pointer to lpfc hba data structure.
1627 *
1628 * This routine is invoked from the worker thread to handle a HBA host
1629 * attention link event.
1630 **/
dea3101e 1631void
2e0fef85 1632lpfc_handle_latt(struct lpfc_hba *phba)
dea3101e 1633{
2e0fef85
JS		 1634 struct lpfc_vport *vport = phba->pport;
1635 struct lpfc_sli *psli = &phba->sli;
dea3101e 1636 LPFC_MBOXQ_t *pmb;
1637 volatile uint32_t control;
1638 struct lpfc_dmabuf *mp;
09372820 1639 int rc = 0;
dea3101e 1640
1641 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
09372820
JS		 1642 if (!pmb) {
1643 rc = 1;
dea3101e 1644 goto lpfc_handle_latt_err_exit;
09372820 1645 }
dea3101e 1646
1647 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
09372820
JS		 1648 if (!mp) {
1649 rc = 2;
dea3101e 1650 goto lpfc_handle_latt_free_pmb;
09372820 1651 }
dea3101e 1652
1653 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
09372820
JS		 1654 if (!mp->virt) {
1655 rc = 3;
dea3101e 1656 goto lpfc_handle_latt_free_mp;
09372820 1657 }
dea3101e 1658
6281bfe0 1659 /* Cleanup any outstanding ELS commands */
549e55cd 1660 lpfc_els_flush_all_cmd(phba);
dea3101e 1661
1662 psli->slistat.link_event++;
76a95d75
JS		 1663 lpfc_read_topology(phba, pmb, mp);
1664 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
2e0fef85 1665 pmb->vport = vport;
0d2b6b83
JS		 1666 /* Block ELS IOCBs until we have processed this mbox command */
1667 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
0b727fea 1668 rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
09372820
JS		 1669 if (rc == MBX_NOT_FINISHED) {
1670 rc = 4;
14691150 1671 goto lpfc_handle_latt_free_mbuf;
09372820 1672 }
dea3101e 1673
1674 /* Clear Link Attention in HA REG */
2e0fef85 1675 spin_lock_irq(&phba->hbalock);
dea3101e 1676 writel(HA_LATT, phba->HAregaddr);
1677 readl(phba->HAregaddr); /* flush */
2e0fef85 1678 spin_unlock_irq(&phba->hbalock);
dea3101e 1679
1680 return;
1681
14691150 1682lpfc_handle_latt_free_mbuf:
0d2b6b83 1683 phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT;
14691150 1684 lpfc_mbuf_free(phba, mp->virt, mp->phys);
dea3101e 1685lpfc_handle_latt_free_mp:
1686 kfree(mp);
1687lpfc_handle_latt_free_pmb:
1dcb58e5 1688 mempool_free(pmb, phba->mbox_mem_pool);
dea3101e 1689lpfc_handle_latt_err_exit:
1690 /* Enable Link attention interrupts */
2e0fef85 1691 spin_lock_irq(&phba->hbalock);
dea3101e 1692 psli->sli_flag |= LPFC_PROCESS_LA;
1693 control = readl(phba->HCregaddr);
1694 control |= HC_LAINT_ENA;
1695 writel(control, phba->HCregaddr);
1696 readl(phba->HCregaddr); /* flush */
1697
1698 /* Clear Link Attention in HA REG */
1699 writel(HA_LATT, phba->HAregaddr);
1700 readl(phba->HAregaddr); /* flush */
2e0fef85 1701 spin_unlock_irq(&phba->hbalock);
dea3101e 1702 lpfc_linkdown(phba);
2e0fef85 1703 phba->link_state = LPFC_HBA_ERROR;
dea3101e 1704
09372820
JS		 1705 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1706 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);
dea3101e 1707
1708 return;
1709}
1710
e59058c4 1711/**
3621a710 1712 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
e59058c4
JS		 1713 * @phba: pointer to lpfc hba data structure.
1714 * @vpd: pointer to the vital product data.
1715 * @len: length of the vital product data in bytes.
1716 *
1717 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1718 * an array of characters. In this routine, the ModelName, ProgramType, and
1719 * ModelDesc, etc. fields of the phba data structure will be populated.
1720 *
1721 * Return codes
1722 * 0 - pointer to the VPD passed in is NULL
1723 * 1 - success
1724 **/
3772a991 1725int
2e0fef85 1726lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
dea3101e 1727{
1728 uint8_t lenlo, lenhi;
07da60c1 1729 int Length;
dea3101e 1730 int i, j;
1731 int finished = 0;
1732 int index = 0;
1733
1734 if (!vpd)
1735 return 0;
1736
1737 /* Vital Product */
ed957684 1738 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011 1739 "0455 Vital Product Data: x%x x%x x%x x%x\n",
dea3101e 1740 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
1741 (uint32_t) vpd[3]);
74b72a59 1742 while (!finished && (index < (len - 4))) {
dea3101e 1743 switch (vpd[index]) {
1744 case 0x82:
74b72a59 1745 case 0x91:
dea3101e 1746 index += 1;
1747 lenlo = vpd[index];
1748 index += 1;
1749 lenhi = vpd[index];
1750 index += 1;
1751 i = ((((unsigned short)lenhi) << 8) + lenlo);
1752 index += i;
1753 break;
1754 case 0x90:
1755 index += 1;
1756 lenlo = vpd[index];
1757 index += 1;
1758 lenhi = vpd[index];
1759 index += 1;
1760 Length = ((((unsigned short)lenhi) << 8) + lenlo);
74b72a59
JW		 1761 if (Length > len - index)
1762 Length = len - index;
dea3101e 1763 while (Length > 0) {
1764 /* Look for Serial Number */
1765 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
1766 index += 2;
1767 i = vpd[index];
1768 index += 1;
1769 j = 0;
1770 Length -= (3+i);
1771 while(i--) {
1772 phba->SerialNumber[j++] = vpd[index++];
1773 if (j == 31)
1774 break;
1775 }
1776 phba->SerialNumber[j] = 0;
1777 continue;
1778 }
1779 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
1780 phba->vpd_flag |= VPD_MODEL_DESC;
1781 index += 2;
1782 i = vpd[index];
1783 index += 1;
1784 j = 0;
1785 Length -= (3+i);
1786 while(i--) {
1787 phba->ModelDesc[j++] = vpd[index++];
1788 if (j == 255)
1789 break;
1790 }
1791 phba->ModelDesc[j] = 0;
1792 continue;
1793 }
1794 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
1795 phba->vpd_flag |= VPD_MODEL_NAME;
1796 index += 2;
1797 i = vpd[index];
1798 index += 1;
1799 j = 0;
1800 Length -= (3+i);
1801 while(i--) {
1802 phba->ModelName[j++] = vpd[index++];
1803 if (j == 79)
1804 break;
1805 }
1806 phba->ModelName[j] = 0;
1807 continue;
1808 }
1809 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
1810 phba->vpd_flag |= VPD_PROGRAM_TYPE;
1811 index += 2;
1812 i = vpd[index];
1813 index += 1;
1814 j = 0;
1815 Length -= (3+i);
1816 while(i--) {
1817 phba->ProgramType[j++] = vpd[index++];
1818 if (j == 255)
1819 break;
1820 }
1821 phba->ProgramType[j] = 0;
1822 continue;
1823 }
1824 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
1825 phba->vpd_flag |= VPD_PORT;
1826 index += 2;
1827 i = vpd[index];
1828 index += 1;
1829 j = 0;
1830 Length -= (3+i);
1831 while(i--) {
cd1c8301
JS		 1832 if ((phba->sli_rev == LPFC_SLI_REV4) &&
1833 (phba->sli4_hba.pport_name_sta ==
1834 LPFC_SLI4_PPNAME_GET)) {
1835 j++;
1836 index++;
1837 } else
1838 phba->Port[j++] = vpd[index++];
1839 if (j == 19)
1840 break;
dea3101e 1841 }
cd1c8301
JS		 1842 if ((phba->sli_rev != LPFC_SLI_REV4) ||
1843 (phba->sli4_hba.pport_name_sta ==
1844 LPFC_SLI4_PPNAME_NON))
1845 phba->Port[j] = 0;
dea3101e 1846 continue;
1847 }
1848 else {
1849 index += 2;
1850 i = vpd[index];
1851 index += 1;
1852 index += i;
1853 Length -= (3 + i);
1854 }
1855 }
1856 finished = 0;
1857 break;
1858 case 0x78:
1859 finished = 1;
1860 break;
1861 default:
1862 index ++;
1863 break;
1864 }
74b72a59 1865 }
dea3101e 1866
1867 return(1);
1868}
1869
e59058c4 1870/**
3621a710 1871 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
e59058c4
JS		 1872 * @phba: pointer to lpfc hba data structure.
1873 * @mdp: pointer to the data structure to hold the derived model name.
1874 * @descp: pointer to the data structure to hold the derived description.
1875 *
1876 * This routine retrieves HBA's description based on its registered PCI device
1877 * ID. The @descp passed into this function points to an array of 256 chars. It
1878 * shall be returned with the model name, maximum speed, and the host bus type.
1879 * The @mdp passed into this function points to an array of 80 chars. When the
1880 * function returns, the @mdp will be filled with the model name.
1881 **/
dea3101e 1882static void
2e0fef85 1883lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
dea3101e 1884{
1885 lpfc_vpd_t *vp;
fefcb2b6 1886 uint16_t dev_id = phba->pcidev->device;
74b72a59 1887 int max_speed;
84774a4d 1888 int GE = 0;
da0436e9 1889 int oneConnect = 0; /* default is not a oneConnect */
74b72a59 1890 struct {
a747c9ce
JS		 1891 char *name;
1892 char *bus;
1893 char *function;
1894 } m = {"<Unknown>", "", ""};
74b72a59
JW		 1895
1896 if (mdp && mdp[0] != '\0'
1897 && descp && descp[0] != '\0')
1898 return;
1899
c0c11512
JS		 1900 if (phba->lmt & LMT_16Gb)
1901 max_speed = 16;
1902 else if (phba->lmt & LMT_10Gb)
74b72a59
JW		 1903 max_speed = 10;
1904 else if (phba->lmt & LMT_8Gb)
1905 max_speed = 8;
1906 else if (phba->lmt & LMT_4Gb)
1907 max_speed = 4;
1908 else if (phba->lmt & LMT_2Gb)
1909 max_speed = 2;
4169d868 1910 else if (phba->lmt & LMT_1Gb)
74b72a59 1911 max_speed = 1;
4169d868
JS		 1912 else
1913 max_speed = 0;
dea3101e 1914
1915 vp = &phba->vpd;
dea3101e 1916
e4adb204 1917 switch (dev_id) {
06325e74 1918 case PCI_DEVICE_ID_FIREFLY:
a747c9ce 1919 m = (typeof(m)){"LP6000", "PCI", "Fibre Channel Adapter"};
06325e74 1920 break;
dea3101e 1921 case PCI_DEVICE_ID_SUPERFLY:
1922 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
a747c9ce
JS		 1923 m = (typeof(m)){"LP7000", "PCI",
1924 "Fibre Channel Adapter"};
dea3101e 1925 else
a747c9ce
JS		 1926 m = (typeof(m)){"LP7000E", "PCI",
1927 "Fibre Channel Adapter"};
dea3101e 1928 break;
1929 case PCI_DEVICE_ID_DRAGONFLY:
a747c9ce
JS		 1930 m = (typeof(m)){"LP8000", "PCI",
1931 "Fibre Channel Adapter"};
dea3101e 1932 break;
1933 case PCI_DEVICE_ID_CENTAUR:
1934 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
a747c9ce
JS		 1935 m = (typeof(m)){"LP9002", "PCI",
1936 "Fibre Channel Adapter"};
dea3101e 1937 else
a747c9ce
JS		 1938 m = (typeof(m)){"LP9000", "PCI",
1939 "Fibre Channel Adapter"};
dea3101e 1940 break;
1941 case PCI_DEVICE_ID_RFLY:
a747c9ce
JS		 1942 m = (typeof(m)){"LP952", "PCI",
1943 "Fibre Channel Adapter"};
dea3101e 1944 break;
1945 case PCI_DEVICE_ID_PEGASUS:
a747c9ce
JS		 1946 m = (typeof(m)){"LP9802", "PCI-X",
1947 "Fibre Channel Adapter"};
dea3101e 1948 break;
1949 case PCI_DEVICE_ID_THOR:
a747c9ce
JS		 1950 m = (typeof(m)){"LP10000", "PCI-X",
1951 "Fibre Channel Adapter"};
dea3101e 1952 break;
1953 case PCI_DEVICE_ID_VIPER:
a747c9ce
JS		 1954 m = (typeof(m)){"LPX1000", "PCI-X",
1955 "Fibre Channel Adapter"};
dea3101e 1956 break;
1957 case PCI_DEVICE_ID_PFLY:
a747c9ce
JS		 1958 m = (typeof(m)){"LP982", "PCI-X",
1959 "Fibre Channel Adapter"};
dea3101e 1960 break;
1961 case PCI_DEVICE_ID_TFLY:
a747c9ce
JS		 1962 m = (typeof(m)){"LP1050", "PCI-X",
1963 "Fibre Channel Adapter"};
dea3101e 1964 break;
1965 case PCI_DEVICE_ID_HELIOS:
a747c9ce
JS		 1966 m = (typeof(m)){"LP11000", "PCI-X2",
1967 "Fibre Channel Adapter"};
dea3101e 1968 break;
e4adb204 1969 case PCI_DEVICE_ID_HELIOS_SCSP:
a747c9ce
JS		 1970 m = (typeof(m)){"LP11000-SP", "PCI-X2",
1971 "Fibre Channel Adapter"};
e4adb204
JSEC		 1972 break;
1973 case PCI_DEVICE_ID_HELIOS_DCSP:
a747c9ce
JS		 1974 m = (typeof(m)){"LP11002-SP", "PCI-X2",
1975 "Fibre Channel Adapter"};
e4adb204
JSEC		 1976 break;
1977 case PCI_DEVICE_ID_NEPTUNE:
a747c9ce 1978 m = (typeof(m)){"LPe1000", "PCIe", "Fibre Channel Adapter"};
e4adb204
JSEC		 1979 break;
1980 case PCI_DEVICE_ID_NEPTUNE_SCSP:
a747c9ce 1981 m = (typeof(m)){"LPe1000-SP", "PCIe", "Fibre Channel Adapter"};
e4adb204
JSEC		 1982 break;
1983 case PCI_DEVICE_ID_NEPTUNE_DCSP:
a747c9ce 1984 m = (typeof(m)){"LPe1002-SP", "PCIe", "Fibre Channel Adapter"};
e4adb204 1985 break;
dea3101e 1986 case PCI_DEVICE_ID_BMID:
a747c9ce 1987 m = (typeof(m)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
dea3101e 1988 break;
1989 case PCI_DEVICE_ID_BSMB:
a747c9ce 1990 m = (typeof(m)){"LP111", "PCI-X2", "Fibre Channel Adapter"};
dea3101e 1991 break;
1992 case PCI_DEVICE_ID_ZEPHYR:
a747c9ce 1993 m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
dea3101e 1994 break;
e4adb204 1995 case PCI_DEVICE_ID_ZEPHYR_SCSP:
a747c9ce 1996 m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
e4adb204
JSEC		 1997 break;
1998 case PCI_DEVICE_ID_ZEPHYR_DCSP:
a747c9ce 1999 m = (typeof(m)){"LP2105", "PCIe", "FCoE Adapter"};
a257bf90 2000 GE = 1;
e4adb204 2001 break;
dea3101e 2002 case PCI_DEVICE_ID_ZMID:
a747c9ce 2003 m = (typeof(m)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
dea3101e 2004 break;
2005 case PCI_DEVICE_ID_ZSMB:
a747c9ce 2006 m = (typeof(m)){"LPe111", "PCIe", "Fibre Channel Adapter"};
dea3101e 2007 break;
2008 case PCI_DEVICE_ID_LP101:
a747c9ce 2009 m = (typeof(m)){"LP101", "PCI-X", "Fibre Channel Adapter"};
dea3101e 2010 break;
2011 case PCI_DEVICE_ID_LP10000S:
a747c9ce 2012 m = (typeof(m)){"LP10000-S", "PCI", "Fibre Channel Adapter"};
06325e74 2013 break;
e4adb204 2014 case PCI_DEVICE_ID_LP11000S:
a747c9ce 2015 m = (typeof(m)){"LP11000-S", "PCI-X2", "Fibre Channel Adapter"};
18a3b596 2016 break;
e4adb204 2017 case PCI_DEVICE_ID_LPE11000S:
a747c9ce 2018 m = (typeof(m)){"LPe11000-S", "PCIe", "Fibre Channel Adapter"};
5cc36b3c 2019 break;
b87eab38 2020 case PCI_DEVICE_ID_SAT:
a747c9ce 2021 m = (typeof(m)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2022 break;
2023 case PCI_DEVICE_ID_SAT_MID:
a747c9ce 2024 m = (typeof(m)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2025 break;
2026 case PCI_DEVICE_ID_SAT_SMB:
a747c9ce 2027 m = (typeof(m)){"LPe121", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2028 break;
2029 case PCI_DEVICE_ID_SAT_DCSP:
a747c9ce 2030 m = (typeof(m)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2031 break;
2032 case PCI_DEVICE_ID_SAT_SCSP:
a747c9ce 2033 m = (typeof(m)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2034 break;
2035 case PCI_DEVICE_ID_SAT_S:
a747c9ce 2036 m = (typeof(m)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
b87eab38 2037 break;
84774a4d 2038 case PCI_DEVICE_ID_HORNET:
a747c9ce 2039 m = (typeof(m)){"LP21000", "PCIe", "FCoE Adapter"};
84774a4d
JS		 2040 GE = 1;
2041 break;
2042 case PCI_DEVICE_ID_PROTEUS_VF:
a747c9ce
JS		 2043 m = (typeof(m)){"LPev12000", "PCIe IOV",
2044 "Fibre Channel Adapter"};
84774a4d
JS		 2045 break;
2046 case PCI_DEVICE_ID_PROTEUS_PF:
a747c9ce
JS		 2047 m = (typeof(m)){"LPev12000", "PCIe IOV",
2048 "Fibre Channel Adapter"};
84774a4d
JS		 2049 break;
2050 case PCI_DEVICE_ID_PROTEUS_S:
a747c9ce
JS		 2051 m = (typeof(m)){"LPemv12002-S", "PCIe IOV",
2052 "Fibre Channel Adapter"};
84774a4d 2053 break;
da0436e9
JS		 2054 case PCI_DEVICE_ID_TIGERSHARK:
2055 oneConnect = 1;
a747c9ce 2056 m = (typeof(m)){"OCe10100", "PCIe", "FCoE"};
da0436e9 2057 break;
a747c9ce 2058 case PCI_DEVICE_ID_TOMCAT:
6669f9bb 2059 oneConnect = 1;
a747c9ce
JS		 2060 m = (typeof(m)){"OCe11100", "PCIe", "FCoE"};
2061 break;
2062 case PCI_DEVICE_ID_FALCON:
2063 m = (typeof(m)){"LPSe12002-ML1-E", "PCIe",
2064 "EmulexSecure Fibre"};
6669f9bb 2065 break;
98fc5dd9
JS		 2066 case PCI_DEVICE_ID_BALIUS:
2067 m = (typeof(m)){"LPVe12002", "PCIe Shared I/O",
2068 "Fibre Channel Adapter"};
2069 break;
085c647c 2070 case PCI_DEVICE_ID_LANCER_FC:
c0c11512
JS		 2071 case PCI_DEVICE_ID_LANCER_FC_VF:
2072 m = (typeof(m)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
085c647c
JS		 2073 break;
2074 case PCI_DEVICE_ID_LANCER_FCOE:
c0c11512 2075 case PCI_DEVICE_ID_LANCER_FCOE_VF:
085c647c 2076 oneConnect = 1;
079b5c91 2077 m = (typeof(m)){"OCe15100", "PCIe", "FCoE"};
085c647c 2078 break;
f8cafd38
JS		 2079 case PCI_DEVICE_ID_SKYHAWK:
2080 case PCI_DEVICE_ID_SKYHAWK_VF:
2081 oneConnect = 1;
2082 m = (typeof(m)){"OCe14000", "PCIe", "FCoE"};
2083 break;
5cc36b3c 2084 default:
a747c9ce 2085 m = (typeof(m)){"Unknown", "", ""};
e4adb204 2086 break;
dea3101e 2087 }
74b72a59
JW		 2088
2089 if (mdp && mdp[0] == '\0')
2090 snprintf(mdp, 79,"%s", m.name);
c0c11512
JS		 2091 /*
2092 * oneConnect hba requires special processing, they are all initiators
da0436e9
JS		 2093 * and we put the port number on the end
2094 */
2095 if (descp && descp[0] == '\0') {
2096 if (oneConnect)
2097 snprintf(descp, 255,
4169d868 2098 "Emulex OneConnect %s, %s Initiator %s",
a747c9ce 2099 m.name, m.function,
da0436e9 2100 phba->Port);
4169d868
JS		 2101 else if (max_speed == 0)
2102 snprintf(descp, 255,
2103 "Emulex %s %s %s ",
2104 m.name, m.bus, m.function);
da0436e9
JS		 2105 else
2106 snprintf(descp, 255,
2107 "Emulex %s %d%s %s %s",
a747c9ce
JS		 2108 m.name, max_speed, (GE) ? "GE" : "Gb",
2109 m.bus, m.function);
da0436e9 2110 }
dea3101e 2111}
2112
e59058c4 2113/**
3621a710 2114 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
e59058c4
JS		 2115 * @phba: pointer to lpfc hba data structure.
2116 * @pring: pointer to a IOCB ring.
2117 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2118 *
2119 * This routine posts a given number of IOCBs with the associated DMA buffer
2120 * descriptors specified by the cnt argument to the given IOCB ring.
2121 *
2122 * Return codes
2123 * The number of IOCBs NOT able to be posted to the IOCB ring.
2124 **/
dea3101e 2125int
495a714c 2126lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt)
dea3101e 2127{
2128 IOCB_t *icmd;
0bd4ca25 2129 struct lpfc_iocbq *iocb;
dea3101e 2130 struct lpfc_dmabuf *mp1, *mp2;
2131
2132 cnt += pring->missbufcnt;
2133
2134 /* While there are buffers to post */
2135 while (cnt > 0) {
2136 /* Allocate buffer for command iocb */
0bd4ca25 2137 iocb = lpfc_sli_get_iocbq(phba);
dea3101e 2138 if (iocb == NULL) {
2139 pring->missbufcnt = cnt;
2140 return cnt;
2141 }
dea3101e 2142 icmd = &iocb->iocb;
2143
2144 /* 2 buffers can be posted per command */
2145 /* Allocate buffer to post */
2146 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
2147 if (mp1)
98c9ea5c
JS		 2148 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
2149 if (!mp1 || !mp1->virt) {
c9475cb0 2150 kfree(mp1);
604a3e30 2151 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 2152 pring->missbufcnt = cnt;
2153 return cnt;
2154 }
2155
2156 INIT_LIST_HEAD(&mp1->list);
2157 /* Allocate buffer to post */
2158 if (cnt > 1) {
2159 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
2160 if (mp2)
2161 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
2162 &mp2->phys);
98c9ea5c 2163 if (!mp2 || !mp2->virt) {
c9475cb0 2164 kfree(mp2);
dea3101e 2165 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
2166 kfree(mp1);
604a3e30 2167 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 2168 pring->missbufcnt = cnt;
2169 return cnt;
2170 }
2171
2172 INIT_LIST_HEAD(&mp2->list);
2173 } else {
2174 mp2 = NULL;
2175 }
2176
2177 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
2178 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
2179 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
2180 icmd->ulpBdeCount = 1;
2181 cnt--;
2182 if (mp2) {
2183 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
2184 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
2185 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
2186 cnt--;
2187 icmd->ulpBdeCount = 2;
2188 }
2189
2190 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
2191 icmd->ulpLe = 1;
2192
3772a991
JS		 2193 if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) ==
2194 IOCB_ERROR) {
dea3101e 2195 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
2196 kfree(mp1);
2197 cnt++;
2198 if (mp2) {
2199 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
2200 kfree(mp2);
2201 cnt++;
2202 }
604a3e30 2203 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 2204 pring->missbufcnt = cnt;
dea3101e 2205 return cnt;
2206 }
dea3101e 2207 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
92d7f7b0 2208 if (mp2)
dea3101e 2209 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
dea3101e 2210 }
2211 pring->missbufcnt = 0;
2212 return 0;
2213}
2214
e59058c4 2215/**
3621a710 2216 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
e59058c4
JS		 2217 * @phba: pointer to lpfc hba data structure.
2218 *
2219 * This routine posts initial receive IOCB buffers to the ELS ring. The
2220 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2221 * set to 64 IOCBs.
2222 *
2223 * Return codes
2224 * 0 - success (currently always success)
2225 **/
dea3101e 2226static int
2e0fef85 2227lpfc_post_rcv_buf(struct lpfc_hba *phba)
dea3101e 2228{
2229 struct lpfc_sli *psli = &phba->sli;
2230
2231 /* Ring 0, ELS / CT buffers */
495a714c 2232 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0);
dea3101e 2233 /* Ring 2 - FCP no buffers needed */
2234
2235 return 0;
2236}
2237
2238#define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2239
e59058c4 2240/**
3621a710 2241 * lpfc_sha_init - Set up initial array of hash table entries
e59058c4
JS		 2242 * @HashResultPointer: pointer to an array as hash table.
2243 *
2244 * This routine sets up the initial values to the array of hash table entries
2245 * for the LC HBAs.
2246 **/
dea3101e 2247static void
2248lpfc_sha_init(uint32_t * HashResultPointer)
2249{
2250 HashResultPointer[0] = 0x67452301;
2251 HashResultPointer[1] = 0xEFCDAB89;
2252 HashResultPointer[2] = 0x98BADCFE;
2253 HashResultPointer[3] = 0x10325476;
2254 HashResultPointer[4] = 0xC3D2E1F0;
2255}
2256
e59058c4 2257/**
3621a710 2258 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
e59058c4
JS		 2259 * @HashResultPointer: pointer to an initial/result hash table.
2260 * @HashWorkingPointer: pointer to an working hash table.
2261 *
2262 * This routine iterates an initial hash table pointed by @HashResultPointer
2263 * with the values from the working hash table pointeed by @HashWorkingPointer.
2264 * The results are putting back to the initial hash table, returned through
2265 * the @HashResultPointer as the result hash table.
2266 **/
dea3101e 2267static void
2268lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
2269{
2270 int t;
2271 uint32_t TEMP;
2272 uint32_t A, B, C, D, E;
2273 t = 16;
2274 do {
2275 HashWorkingPointer[t] =
2276 S(1,
2277 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
2278 8] ^
2279 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
2280 } while (++t <= 79);
2281 t = 0;
2282 A = HashResultPointer[0];
2283 B = HashResultPointer[1];
2284 C = HashResultPointer[2];
2285 D = HashResultPointer[3];
2286 E = HashResultPointer[4];
2287
2288 do {
2289 if (t < 20) {
2290 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
2291 } else if (t < 40) {
2292 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
2293 } else if (t < 60) {
2294 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
2295 } else {
2296 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
2297 }
2298 TEMP += S(5, A) + E + HashWorkingPointer[t];
2299 E = D;
2300 D = C;
2301 C = S(30, B);
2302 B = A;
2303 A = TEMP;
2304 } while (++t <= 79);
2305
2306 HashResultPointer[0] += A;
2307 HashResultPointer[1] += B;
2308 HashResultPointer[2] += C;
2309 HashResultPointer[3] += D;
2310 HashResultPointer[4] += E;
2311
2312}
2313
e59058c4 2314/**
3621a710 2315 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
e59058c4
JS		 2316 * @RandomChallenge: pointer to the entry of host challenge random number array.
2317 * @HashWorking: pointer to the entry of the working hash array.
2318 *
2319 * This routine calculates the working hash array referred by @HashWorking
2320 * from the challenge random numbers associated with the host, referred by
2321 * @RandomChallenge. The result is put into the entry of the working hash
2322 * array and returned by reference through @HashWorking.
2323 **/
dea3101e 2324static void
2325lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
2326{
2327 *HashWorking = (*RandomChallenge ^ *HashWorking);
2328}
2329
e59058c4 2330/**
3621a710 2331 * lpfc_hba_init - Perform special handling for LC HBA initialization
e59058c4
JS		 2332 * @phba: pointer to lpfc hba data structure.
2333 * @hbainit: pointer to an array of unsigned 32-bit integers.
2334 *
2335 * This routine performs the special handling for LC HBA initialization.
2336 **/
dea3101e 2337void
2338lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
2339{
2340 int t;
2341 uint32_t *HashWorking;
2e0fef85 2342 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
dea3101e 2343
bbfbbbc1 2344 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
dea3101e 2345 if (!HashWorking)
2346 return;
2347
dea3101e 2348 HashWorking[0] = HashWorking[78] = *pwwnn++;
2349 HashWorking[1] = HashWorking[79] = *pwwnn;
2350
2351 for (t = 0; t < 7; t++)
2352 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
2353
2354 lpfc_sha_init(hbainit);
2355 lpfc_sha_iterate(hbainit, HashWorking);
2356 kfree(HashWorking);
2357}
2358
e59058c4 2359/**
3621a710 2360 * lpfc_cleanup - Performs vport cleanups before deleting a vport
e59058c4
JS		 2361 * @vport: pointer to a virtual N_Port data structure.
2362 *
2363 * This routine performs the necessary cleanups before deleting the @vport.
2364 * It invokes the discovery state machine to perform necessary state
2365 * transitions and to release the ndlps associated with the @vport. Note,
2366 * the physical port is treated as @vport 0.
2367 **/
87af33fe 2368void
2e0fef85 2369lpfc_cleanup(struct lpfc_vport *vport)
dea3101e 2370{
87af33fe 2371 struct lpfc_hba *phba = vport->phba;
dea3101e 2372 struct lpfc_nodelist *ndlp, *next_ndlp;
a8adb832 2373 int i = 0;
dea3101e 2374
87af33fe
JS		 2375 if (phba->link_state > LPFC_LINK_DOWN)
2376 lpfc_port_link_failure(vport);
2377
2378 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
e47c9093
JS		 2379 if (!NLP_CHK_NODE_ACT(ndlp)) {
2380 ndlp = lpfc_enable_node(vport, ndlp,
2381 NLP_STE_UNUSED_NODE);
2382 if (!ndlp)
2383 continue;
2384 spin_lock_irq(&phba->ndlp_lock);
2385 NLP_SET_FREE_REQ(ndlp);
2386 spin_unlock_irq(&phba->ndlp_lock);
2387 /* Trigger the release of the ndlp memory */
2388 lpfc_nlp_put(ndlp);
2389 continue;
2390 }
2391 spin_lock_irq(&phba->ndlp_lock);
2392 if (NLP_CHK_FREE_REQ(ndlp)) {
2393 /* The ndlp should not be in memory free mode already */
2394 spin_unlock_irq(&phba->ndlp_lock);
2395 continue;
2396 } else
2397 /* Indicate request for freeing ndlp memory */
2398 NLP_SET_FREE_REQ(ndlp);
2399 spin_unlock_irq(&phba->ndlp_lock);
2400
58da1ffb
JS		 2401 if (vport->port_type != LPFC_PHYSICAL_PORT &&
2402 ndlp->nlp_DID == Fabric_DID) {
2403 /* Just free up ndlp with Fabric_DID for vports */
2404 lpfc_nlp_put(ndlp);
2405 continue;
2406 }
2407
eff4a01b
JS		 2408 /* take care of nodes in unused state before the state
2409 * machine taking action.
2410 */
2411 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
2412 lpfc_nlp_put(ndlp);
2413 continue;
2414 }
2415
87af33fe
JS		 2416 if (ndlp->nlp_type & NLP_FABRIC)
2417 lpfc_disc_state_machine(vport, ndlp, NULL,
2418 NLP_EVT_DEVICE_RECOVERY);
e47c9093 2419
87af33fe
JS		 2420 lpfc_disc_state_machine(vport, ndlp, NULL,
2421 NLP_EVT_DEVICE_RM);
2422 }
2423
a8adb832
JS		 2424 /* At this point, ALL ndlp's should be gone
2425 * because of the previous NLP_EVT_DEVICE_RM.
2426 * Lets wait for this to happen, if needed.
2427 */
87af33fe 2428 while (!list_empty(&vport->fc_nodes)) {
a8adb832 2429 if (i++ > 3000) {
87af33fe 2430 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
a8adb832 2431 "0233 Nodelist not empty\n");
e47c9093
JS		 2432 list_for_each_entry_safe(ndlp, next_ndlp,
2433 &vport->fc_nodes, nlp_listp) {
2434 lpfc_printf_vlog(ndlp->vport, KERN_ERR,
2435 LOG_NODE,
d7c255b2 2436 "0282 did:x%x ndlp:x%p "
e47c9093
JS		 2437 "usgmap:x%x refcnt:%d\n",
2438 ndlp->nlp_DID, (void *)ndlp,
2439 ndlp->nlp_usg_map,
2440 atomic_read(
2441 &ndlp->kref.refcount));
2442 }
a8adb832 2443 break;
87af33fe 2444 }
a8adb832
JS		 2445
2446 /* Wait for any activity on ndlps to settle */
2447 msleep(10);
87af33fe 2448 }
1151e3ec 2449 lpfc_cleanup_vports_rrqs(vport, NULL);
dea3101e 2450}
2451
e59058c4 2452/**
3621a710 2453 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
e59058c4
JS		 2454 * @vport: pointer to a virtual N_Port data structure.
2455 *
2456 * This routine stops all the timers associated with a @vport. This function
2457 * is invoked before disabling or deleting a @vport. Note that the physical
2458 * port is treated as @vport 0.
2459 **/
92d7f7b0
JS		 2460void
2461lpfc_stop_vport_timers(struct lpfc_vport *vport)
dea3101e 2462{
92d7f7b0
JS		 2463 del_timer_sync(&vport->els_tmofunc);
2464 del_timer_sync(&vport->fc_fdmitmo);
92494144 2465 del_timer_sync(&vport->delayed_disc_tmo);
92d7f7b0
JS		 2466 lpfc_can_disctmo(vport);
2467 return;
dea3101e 2468}
2469
ecfd03c6
JS		 2470/**
2471 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2472 * @phba: pointer to lpfc hba data structure.
2473 *
2474 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2475 * caller of this routine should already hold the host lock.
2476 **/
2477void
2478__lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
2479{
5ac6b303
JS		 2480 /* Clear pending FCF rediscovery wait flag */
2481 phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
2482
ecfd03c6
JS		 2483 /* Now, try to stop the timer */
2484 del_timer(&phba->fcf.redisc_wait);
2485}
2486
2487/**
2488 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2489 * @phba: pointer to lpfc hba data structure.
2490 *
2491 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2492 * checks whether the FCF rediscovery wait timer is pending with the host
2493 * lock held before proceeding with disabling the timer and clearing the
2494 * wait timer pendig flag.
2495 **/
2496void
2497lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
2498{
2499 spin_lock_irq(&phba->hbalock);
2500 if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
2501 /* FCF rediscovery timer already fired or stopped */
2502 spin_unlock_irq(&phba->hbalock);
2503 return;
2504 }
2505 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
5ac6b303
JS		 2506 /* Clear failover in progress flags */
2507 phba->fcf.fcf_flag &= ~(FCF_DEAD_DISC | FCF_ACVL_DISC);
ecfd03c6
JS		 2508 spin_unlock_irq(&phba->hbalock);
2509}
2510
e59058c4 2511/**
3772a991 2512 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
e59058c4
JS		 2513 * @phba: pointer to lpfc hba data structure.
2514 *
2515 * This routine stops all the timers associated with a HBA. This function is
2516 * invoked before either putting a HBA offline or unloading the driver.
2517 **/
3772a991
JS		 2518void
2519lpfc_stop_hba_timers(struct lpfc_hba *phba)
dea3101e 2520{
51ef4c26 2521 lpfc_stop_vport_timers(phba->pport);
2e0fef85 2522 del_timer_sync(&phba->sli.mbox_tmo);
92d7f7b0 2523 del_timer_sync(&phba->fabric_block_timer);
9399627f 2524 del_timer_sync(&phba->eratt_poll);
3772a991 2525 del_timer_sync(&phba->hb_tmofunc);
1151e3ec
JS		 2526 if (phba->sli_rev == LPFC_SLI_REV4) {
2527 del_timer_sync(&phba->rrq_tmr);
2528 phba->hba_flag &= ~HBA_RRQ_ACTIVE;
2529 }
3772a991
JS		 2530 phba->hb_outstanding = 0;
2531
2532 switch (phba->pci_dev_grp) {
2533 case LPFC_PCI_DEV_LP:
2534 /* Stop any LightPulse device specific driver timers */
2535 del_timer_sync(&phba->fcp_poll_timer);
2536 break;
2537 case LPFC_PCI_DEV_OC:
2538 /* Stop any OneConnect device sepcific driver timers */
ecfd03c6 2539 lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
3772a991
JS		 2540 break;
2541 default:
2542 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2543 "0297 Invalid device group (x%x)\n",
2544 phba->pci_dev_grp);
2545 break;
2546 }
2e0fef85 2547 return;
dea3101e 2548}
2549
e59058c4 2550/**
3621a710 2551 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
e59058c4
JS		 2552 * @phba: pointer to lpfc hba data structure.
2553 *
2554 * This routine marks a HBA's management interface as blocked. Once the HBA's
2555 * management interface is marked as blocked, all the user space access to
2556 * the HBA, whether they are from sysfs interface or libdfc interface will
2557 * all be blocked. The HBA is set to block the management interface when the
2558 * driver prepares the HBA interface for online or offline.
2559 **/
a6ababd2 2560static void
618a5230 2561lpfc_block_mgmt_io(struct lpfc_hba *phba, int mbx_action)
a6ababd2
AB		 2562{
2563 unsigned long iflag;
6e7288d9
JS		 2564 uint8_t actcmd = MBX_HEARTBEAT;
2565 unsigned long timeout;
2566
a6ababd2
AB		 2567 spin_lock_irqsave(&phba->hbalock, iflag);
2568 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
618a5230
JS		 2569 spin_unlock_irqrestore(&phba->hbalock, iflag);
2570 if (mbx_action == LPFC_MBX_NO_WAIT)
2571 return;
2572 timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies;
2573 spin_lock_irqsave(&phba->hbalock, iflag);
a183a15f 2574 if (phba->sli.mbox_active) {
6e7288d9 2575 actcmd = phba->sli.mbox_active->u.mb.mbxCommand;
a183a15f
JS		 2576 /* Determine how long we might wait for the active mailbox
2577 * command to be gracefully completed by firmware.
2578 */
2579 timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba,
2580 phba->sli.mbox_active) * 1000) + jiffies;
2581 }
a6ababd2 2582 spin_unlock_irqrestore(&phba->hbalock, iflag);
a183a15f 2583
6e7288d9
JS		 2584 /* Wait for the outstnading mailbox command to complete */
2585 while (phba->sli.mbox_active) {
2586 /* Check active mailbox complete status every 2ms */
2587 msleep(2);
2588 if (time_after(jiffies, timeout)) {
2589 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2590 "2813 Mgmt IO is Blocked %x "
2591 "- mbox cmd %x still active\n",
2592 phba->sli.sli_flag, actcmd);
2593 break;
2594 }
2595 }
a6ababd2
AB		 2596}
2597
6b5151fd
JS		 2598/**
2599 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
2600 * @phba: pointer to lpfc hba data structure.
2601 *
2602 * Allocate RPIs for all active remote nodes. This is needed whenever
2603 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
2604 * is to fixup the temporary rpi assignments.
2605 **/
2606void
2607lpfc_sli4_node_prep(struct lpfc_hba *phba)
2608{
2609 struct lpfc_nodelist *ndlp, *next_ndlp;
2610 struct lpfc_vport **vports;
2611 int i;
2612
2613 if (phba->sli_rev != LPFC_SLI_REV4)
2614 return;
2615
2616 vports = lpfc_create_vport_work_array(phba);
2617 if (vports != NULL) {
2618 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2619 if (vports[i]->load_flag & FC_UNLOADING)
2620 continue;
2621
2622 list_for_each_entry_safe(ndlp, next_ndlp,
2623 &vports[i]->fc_nodes,
2624 nlp_listp) {
2625 if (NLP_CHK_NODE_ACT(ndlp))
2626 ndlp->nlp_rpi =
2627 lpfc_sli4_alloc_rpi(phba);
2628 }
2629 }
2630 }
2631 lpfc_destroy_vport_work_array(phba, vports);
2632}
2633
e59058c4 2634/**
3621a710 2635 * lpfc_online - Initialize and bring a HBA online
e59058c4
JS		 2636 * @phba: pointer to lpfc hba data structure.
2637 *
2638 * This routine initializes the HBA and brings a HBA online. During this
2639 * process, the management interface is blocked to prevent user space access
2640 * to the HBA interfering with the driver initialization.
2641 *
2642 * Return codes
2643 * 0 - successful
2644 * 1 - failed
2645 **/
dea3101e 2646int
2e0fef85 2647lpfc_online(struct lpfc_hba *phba)
dea3101e 2648{
372bd282 2649 struct lpfc_vport *vport;
549e55cd
JS		 2650 struct lpfc_vport **vports;
2651 int i;
16a3a208 2652 bool vpis_cleared = false;
2e0fef85 2653
dea3101e 2654 if (!phba)
2655 return 0;
372bd282 2656 vport = phba->pport;
dea3101e 2657
2e0fef85 2658 if (!(vport->fc_flag & FC_OFFLINE_MODE))
dea3101e 2659 return 0;
2660
ed957684 2661 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 2662 "0458 Bring Adapter online\n");
dea3101e 2663
618a5230 2664 lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
46fa311e
JS		 2665
2666 if (!lpfc_sli_queue_setup(phba)) {
2667 lpfc_unblock_mgmt_io(phba);
dea3101e 2668 return 1;
46fa311e 2669 }
dea3101e 2670
da0436e9
JS		 2671 if (phba->sli_rev == LPFC_SLI_REV4) {
2672 if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */
2673 lpfc_unblock_mgmt_io(phba);
2674 return 1;
2675 }
16a3a208
JS		 2676 spin_lock_irq(&phba->hbalock);
2677 if (!phba->sli4_hba.max_cfg_param.vpi_used)
2678 vpis_cleared = true;
2679 spin_unlock_irq(&phba->hbalock);
da0436e9
JS		 2680 } else {
2681 if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */
2682 lpfc_unblock_mgmt_io(phba);
2683 return 1;
2684 }
46fa311e 2685 }
dea3101e 2686
549e55cd
JS		 2687 vports = lpfc_create_vport_work_array(phba);
2688 if (vports != NULL)
da0436e9 2689 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
549e55cd
JS		 2690 struct Scsi_Host *shost;
2691 shost = lpfc_shost_from_vport(vports[i]);
2692 spin_lock_irq(shost->host_lock);
2693 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
2694 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
2695 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
16a3a208 2696 if (phba->sli_rev == LPFC_SLI_REV4) {
1c6834a7 2697 vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
16a3a208
JS		 2698 if ((vpis_cleared) &&
2699 (vports[i]->port_type !=
2700 LPFC_PHYSICAL_PORT))
2701 vports[i]->vpi = 0;
2702 }
549e55cd
JS		 2703 spin_unlock_irq(shost->host_lock);
2704 }
09372820 2705 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 2706
46fa311e 2707 lpfc_unblock_mgmt_io(phba);
dea3101e 2708 return 0;
2709}
2710
e59058c4 2711/**
3621a710 2712 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
e59058c4
JS		 2713 * @phba: pointer to lpfc hba data structure.
2714 *
2715 * This routine marks a HBA's management interface as not blocked. Once the
2716 * HBA's management interface is marked as not blocked, all the user space
2717 * access to the HBA, whether they are from sysfs interface or libdfc
2718 * interface will be allowed. The HBA is set to block the management interface
2719 * when the driver prepares the HBA interface for online or offline and then
2720 * set to unblock the management interface afterwards.
2721 **/
46fa311e
JS		 2722void
2723lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
2724{
2725 unsigned long iflag;
2726
2e0fef85
JS		 2727 spin_lock_irqsave(&phba->hbalock, iflag);
2728 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
2729 spin_unlock_irqrestore(&phba->hbalock, iflag);
46fa311e
JS		 2730}
2731
e59058c4 2732/**
3621a710 2733 * lpfc_offline_prep - Prepare a HBA to be brought offline
e59058c4
JS		 2734 * @phba: pointer to lpfc hba data structure.
2735 *
2736 * This routine is invoked to prepare a HBA to be brought offline. It performs
2737 * unregistration login to all the nodes on all vports and flushes the mailbox
2738 * queue to make it ready to be brought offline.
2739 **/
46fa311e 2740void
618a5230 2741lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action)
46fa311e 2742{
2e0fef85 2743 struct lpfc_vport *vport = phba->pport;
46fa311e 2744 struct lpfc_nodelist *ndlp, *next_ndlp;
87af33fe 2745 struct lpfc_vport **vports;
72100cc4 2746 struct Scsi_Host *shost;
87af33fe 2747 int i;
dea3101e 2748
2e0fef85 2749 if (vport->fc_flag & FC_OFFLINE_MODE)
46fa311e 2750 return;
dea3101e 2751
618a5230 2752 lpfc_block_mgmt_io(phba, mbx_action);
dea3101e 2753
2754 lpfc_linkdown(phba);
2755
87af33fe
JS		 2756 /* Issue an unreg_login to all nodes on all vports */
2757 vports = lpfc_create_vport_work_array(phba);
2758 if (vports != NULL) {
da0436e9 2759 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
a8adb832
JS		 2760 if (vports[i]->load_flag & FC_UNLOADING)
2761 continue;
72100cc4
JS		 2762 shost = lpfc_shost_from_vport(vports[i]);
2763 spin_lock_irq(shost->host_lock);
c868595d 2764 vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED;
695a814e
JS		 2765 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
2766 vports[i]->fc_flag &= ~FC_VFI_REGISTERED;
72100cc4 2767 spin_unlock_irq(shost->host_lock);
695a814e 2768
87af33fe
JS		 2769 shost = lpfc_shost_from_vport(vports[i]);
2770 list_for_each_entry_safe(ndlp, next_ndlp,
2771 &vports[i]->fc_nodes,
2772 nlp_listp) {
e47c9093
JS		 2773 if (!NLP_CHK_NODE_ACT(ndlp))
2774 continue;
87af33fe
JS		 2775 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
2776 continue;
2777 if (ndlp->nlp_type & NLP_FABRIC) {
2778 lpfc_disc_state_machine(vports[i], ndlp,
2779 NULL, NLP_EVT_DEVICE_RECOVERY);
2780 lpfc_disc_state_machine(vports[i], ndlp,
2781 NULL, NLP_EVT_DEVICE_RM);
2782 }
2783 spin_lock_irq(shost->host_lock);
2784 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
401ee0c1 2785 spin_unlock_irq(shost->host_lock);
6b5151fd
JS		 2786 /*
2787 * Whenever an SLI4 port goes offline, free the
401ee0c1
JS		 2788 * RPI. Get a new RPI when the adapter port
2789 * comes back online.
6b5151fd
JS		 2790 */
2791 if (phba->sli_rev == LPFC_SLI_REV4)
2792 lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi);
87af33fe
JS		 2793 lpfc_unreg_rpi(vports[i], ndlp);
2794 }
2795 }
2796 }
09372820 2797 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 2798
618a5230 2799 lpfc_sli_mbox_sys_shutdown(phba, mbx_action);
46fa311e
JS		 2800}
2801
e59058c4 2802/**
3621a710 2803 * lpfc_offline - Bring a HBA offline
e59058c4
JS		 2804 * @phba: pointer to lpfc hba data structure.
2805 *
2806 * This routine actually brings a HBA offline. It stops all the timers
2807 * associated with the HBA, brings down the SLI layer, and eventually
2808 * marks the HBA as in offline state for the upper layer protocol.
2809 **/
46fa311e 2810void
2e0fef85 2811lpfc_offline(struct lpfc_hba *phba)
46fa311e 2812{
549e55cd
JS		 2813 struct Scsi_Host *shost;
2814 struct lpfc_vport **vports;
2815 int i;
46fa311e 2816
549e55cd 2817 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
46fa311e 2818 return;
688a8863 2819
da0436e9
JS		 2820 /* stop port and all timers associated with this hba */
2821 lpfc_stop_port(phba);
51ef4c26
JS		 2822 vports = lpfc_create_vport_work_array(phba);
2823 if (vports != NULL)
da0436e9 2824 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
51ef4c26 2825 lpfc_stop_vport_timers(vports[i]);
09372820 2826 lpfc_destroy_vport_work_array(phba, vports);
92d7f7b0 2827 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 2828 "0460 Bring Adapter offline\n");
dea3101e 2829 /* Bring down the SLI Layer and cleanup. The HBA is offline
2830 now. */
2831 lpfc_sli_hba_down(phba);
92d7f7b0 2832 spin_lock_irq(&phba->hbalock);
7054a606 2833 phba->work_ha = 0;
92d7f7b0 2834 spin_unlock_irq(&phba->hbalock);
549e55cd
JS		 2835 vports = lpfc_create_vport_work_array(phba);
2836 if (vports != NULL)
da0436e9 2837 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
549e55cd 2838 shost = lpfc_shost_from_vport(vports[i]);
549e55cd
JS		 2839 spin_lock_irq(shost->host_lock);
2840 vports[i]->work_port_events = 0;
2841 vports[i]->fc_flag |= FC_OFFLINE_MODE;
2842 spin_unlock_irq(shost->host_lock);
2843 }
09372820 2844 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 2845}
2846
e59058c4 2847/**
3621a710 2848 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
e59058c4
JS		 2849 * @phba: pointer to lpfc hba data structure.
2850 *
2851 * This routine is to free all the SCSI buffers and IOCBs from the driver
2852 * list back to kernel. It is called from lpfc_pci_remove_one to free
2853 * the internal resources before the device is removed from the system.
e59058c4 2854 **/
8a9d2e80 2855static void
2e0fef85 2856lpfc_scsi_free(struct lpfc_hba *phba)
dea3101e 2857{
2858 struct lpfc_scsi_buf *sb, *sb_next;
2859 struct lpfc_iocbq *io, *io_next;
2860
2e0fef85 2861 spin_lock_irq(&phba->hbalock);
a40fc5f0 2862
dea3101e 2863 /* Release all the lpfc_scsi_bufs maintained by this host. */
a40fc5f0
JS		 2864
2865 spin_lock(&phba->scsi_buf_list_put_lock);
2866 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_put,
2867 list) {
dea3101e 2868 list_del(&sb->list);
2869 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
92d7f7b0 2870 sb->dma_handle);
dea3101e 2871 kfree(sb);
2872 phba->total_scsi_bufs--;
2873 }
a40fc5f0
JS		 2874 spin_unlock(&phba->scsi_buf_list_put_lock);
2875
2876 spin_lock(&phba->scsi_buf_list_get_lock);
2877 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_get,
2878 list) {
dea3101e 2879 list_del(&sb->list);
2880 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
92d7f7b0 2881 sb->dma_handle);
dea3101e 2882 kfree(sb);
2883 phba->total_scsi_bufs--;
2884 }
a40fc5f0 2885 spin_unlock(&phba->scsi_buf_list_get_lock);
dea3101e 2886
2887 /* Release all the lpfc_iocbq entries maintained by this host. */
2888 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
2889 list_del(&io->list);
2890 kfree(io);
2891 phba->total_iocbq_bufs--;
2892 }
6d368e53 2893
2e0fef85 2894 spin_unlock_irq(&phba->hbalock);
8a9d2e80
JS		 2895}
2896
2897/**
2898 * lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping
2899 * @phba: pointer to lpfc hba data structure.
2900 *
2901 * This routine first calculates the sizes of the current els and allocated
2902 * scsi sgl lists, and then goes through all sgls to updates the physical
2903 * XRIs assigned due to port function reset. During port initialization, the
2904 * current els and allocated scsi sgl lists are 0s.
2905 *
2906 * Return codes
2907 * 0 - successful (for now, it always returns 0)
2908 **/
2909int
2910lpfc_sli4_xri_sgl_update(struct lpfc_hba *phba)
2911{
2912 struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL;
2913 struct lpfc_scsi_buf *psb = NULL, *psb_next = NULL;
2914 uint16_t i, lxri, xri_cnt, els_xri_cnt, scsi_xri_cnt;
2915 LIST_HEAD(els_sgl_list);
2916 LIST_HEAD(scsi_sgl_list);
2917 int rc;
2918
2919 /*
2920 * update on pci function's els xri-sgl list
2921 */
2922 els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);
2923 if (els_xri_cnt > phba->sli4_hba.els_xri_cnt) {
2924 /* els xri-sgl expanded */
2925 xri_cnt = els_xri_cnt - phba->sli4_hba.els_xri_cnt;
2926 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
2927 "3157 ELS xri-sgl count increased from "
2928 "%d to %d\n", phba->sli4_hba.els_xri_cnt,
2929 els_xri_cnt);
2930 /* allocate the additional els sgls */
2931 for (i = 0; i < xri_cnt; i++) {
2932 sglq_entry = kzalloc(sizeof(struct lpfc_sglq),
2933 GFP_KERNEL);
2934 if (sglq_entry == NULL) {
2935 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2936 "2562 Failure to allocate an "
2937 "ELS sgl entry:%d\n", i);
2938 rc = -ENOMEM;
2939 goto out_free_mem;
2940 }
2941 sglq_entry->buff_type = GEN_BUFF_TYPE;
2942 sglq_entry->virt = lpfc_mbuf_alloc(phba, 0,
2943 &sglq_entry->phys);
2944 if (sglq_entry->virt == NULL) {
2945 kfree(sglq_entry);
2946 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2947 "2563 Failure to allocate an "
2948 "ELS mbuf:%d\n", i);
2949 rc = -ENOMEM;
2950 goto out_free_mem;
2951 }
2952 sglq_entry->sgl = sglq_entry->virt;
2953 memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE);
2954 sglq_entry->state = SGL_FREED;
2955 list_add_tail(&sglq_entry->list, &els_sgl_list);
2956 }
38c20673 2957 spin_lock_irq(&phba->hbalock);
8a9d2e80 2958 list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list);
38c20673 2959 spin_unlock_irq(&phba->hbalock);
8a9d2e80
JS		 2960 } else if (els_xri_cnt < phba->sli4_hba.els_xri_cnt) {
2961 /* els xri-sgl shrinked */
2962 xri_cnt = phba->sli4_hba.els_xri_cnt - els_xri_cnt;
2963 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
2964 "3158 ELS xri-sgl count decreased from "
2965 "%d to %d\n", phba->sli4_hba.els_xri_cnt,
2966 els_xri_cnt);
2967 spin_lock_irq(&phba->hbalock);
2968 list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &els_sgl_list);
2969 spin_unlock_irq(&phba->hbalock);
2970 /* release extra els sgls from list */
2971 for (i = 0; i < xri_cnt; i++) {
2972 list_remove_head(&els_sgl_list,
2973 sglq_entry, struct lpfc_sglq, list);
2974 if (sglq_entry) {
2975 lpfc_mbuf_free(phba, sglq_entry->virt,
2976 sglq_entry->phys);
2977 kfree(sglq_entry);
2978 }
2979 }
2980 spin_lock_irq(&phba->hbalock);
2981 list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list);
2982 spin_unlock_irq(&phba->hbalock);
2983 } else
2984 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
2985 "3163 ELS xri-sgl count unchanged: %d\n",
2986 els_xri_cnt);
2987 phba->sli4_hba.els_xri_cnt = els_xri_cnt;
2988
2989 /* update xris to els sgls on the list */
2990 sglq_entry = NULL;
2991 sglq_entry_next = NULL;
2992 list_for_each_entry_safe(sglq_entry, sglq_entry_next,
2993 &phba->sli4_hba.lpfc_sgl_list, list) {
2994 lxri = lpfc_sli4_next_xritag(phba);
2995 if (lxri == NO_XRI) {
2996 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2997 "2400 Failed to allocate xri for "
2998 "ELS sgl\n");
2999 rc = -ENOMEM;
3000 goto out_free_mem;
3001 }
3002 sglq_entry->sli4_lxritag = lxri;
3003 sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri];
3004 }
3005
3006 /*
3007 * update on pci function's allocated scsi xri-sgl list
3008 */
3009 phba->total_scsi_bufs = 0;
3010
3011 /* maximum number of xris available for scsi buffers */
3012 phba->sli4_hba.scsi_xri_max = phba->sli4_hba.max_cfg_param.max_xri -
3013 els_xri_cnt;
3014
3015 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3016 "2401 Current allocated SCSI xri-sgl count:%d, "
3017 "maximum SCSI xri count:%d\n",
3018 phba->sli4_hba.scsi_xri_cnt,
3019 phba->sli4_hba.scsi_xri_max);
3020
a40fc5f0
JS		 3021 spin_lock_irq(&phba->scsi_buf_list_get_lock);
3022 spin_lock_irq(&phba->scsi_buf_list_put_lock);
3023 list_splice_init(&phba->lpfc_scsi_buf_list_get, &scsi_sgl_list);
3024 list_splice(&phba->lpfc_scsi_buf_list_put, &scsi_sgl_list);
3025 spin_unlock_irq(&phba->scsi_buf_list_put_lock);
3026 spin_unlock_irq(&phba->scsi_buf_list_get_lock);
8a9d2e80
JS		 3027
3028 if (phba->sli4_hba.scsi_xri_cnt > phba->sli4_hba.scsi_xri_max) {
3029 /* max scsi xri shrinked below the allocated scsi buffers */
3030 scsi_xri_cnt = phba->sli4_hba.scsi_xri_cnt -
3031 phba->sli4_hba.scsi_xri_max;
3032 /* release the extra allocated scsi buffers */
3033 for (i = 0; i < scsi_xri_cnt; i++) {
3034 list_remove_head(&scsi_sgl_list, psb,
3035 struct lpfc_scsi_buf, list);
3036 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, psb->data,
3037 psb->dma_handle);
3038 kfree(psb);
3039 }
a40fc5f0 3040 spin_lock_irq(&phba->scsi_buf_list_get_lock);
8a9d2e80 3041 phba->sli4_hba.scsi_xri_cnt -= scsi_xri_cnt;
a40fc5f0 3042 spin_unlock_irq(&phba->scsi_buf_list_get_lock);
8a9d2e80
JS		 3043 }
3044
3045 /* update xris associated to remaining allocated scsi buffers */
3046 psb = NULL;
3047 psb_next = NULL;
3048 list_for_each_entry_safe(psb, psb_next, &scsi_sgl_list, list) {
3049 lxri = lpfc_sli4_next_xritag(phba);
3050 if (lxri == NO_XRI) {
3051 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3052 "2560 Failed to allocate xri for "
3053 "scsi buffer\n");
3054 rc = -ENOMEM;
3055 goto out_free_mem;
3056 }
3057 psb->cur_iocbq.sli4_lxritag = lxri;
3058 psb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri];
3059 }
a40fc5f0
JS		 3060 spin_lock_irq(&phba->scsi_buf_list_get_lock);
3061 spin_lock_irq(&phba->scsi_buf_list_put_lock);
3062 list_splice_init(&scsi_sgl_list, &phba->lpfc_scsi_buf_list_get);
3063 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put);
3064 spin_unlock_irq(&phba->scsi_buf_list_put_lock);
3065 spin_unlock_irq(&phba->scsi_buf_list_get_lock);
8a9d2e80 3066
dea3101e 3067 return 0;
8a9d2e80
JS		 3068
3069out_free_mem:
3070 lpfc_free_els_sgl_list(phba);
3071 lpfc_scsi_free(phba);
3072 return rc;
dea3101e 3073}
3074
e59058c4 3075/**
3621a710 3076 * lpfc_create_port - Create an FC port
e59058c4
JS		 3077 * @phba: pointer to lpfc hba data structure.
3078 * @instance: a unique integer ID to this FC port.
3079 * @dev: pointer to the device data structure.
3080 *
3081 * This routine creates a FC port for the upper layer protocol. The FC port
3082 * can be created on top of either a physical port or a virtual port provided
3083 * by the HBA. This routine also allocates a SCSI host data structure (shost)
3084 * and associates the FC port created before adding the shost into the SCSI
3085 * layer.
3086 *
3087 * Return codes
3088 * @vport - pointer to the virtual N_Port data structure.
3089 * NULL - port create failed.
3090 **/
2e0fef85 3091struct lpfc_vport *
3de2a653 3092lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
47a8617c 3093{
2e0fef85
JS		 3094 struct lpfc_vport *vport;
3095 struct Scsi_Host *shost;
3096 int error = 0;
47a8617c 3097
3de2a653
JS		 3098 if (dev != &phba->pcidev->dev)
3099 shost = scsi_host_alloc(&lpfc_vport_template,
3100 sizeof(struct lpfc_vport));
3101 else
3102 shost = scsi_host_alloc(&lpfc_template,
3103 sizeof(struct lpfc_vport));
2e0fef85
JS		 3104 if (!shost)
3105 goto out;
47a8617c 3106
2e0fef85
JS		 3107 vport = (struct lpfc_vport *) shost->hostdata;
3108 vport->phba = phba;
2e0fef85 3109 vport->load_flag |= FC_LOADING;
92d7f7b0 3110 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
7f5f3d0d 3111 vport->fc_rscn_flush = 0;
47a8617c 3112
3de2a653 3113 lpfc_get_vport_cfgparam(vport);
2e0fef85
JS		 3114 shost->unique_id = instance;
3115 shost->max_id = LPFC_MAX_TARGET;
3de2a653 3116 shost->max_lun = vport->cfg_max_luns;
2e0fef85
JS		 3117 shost->this_id = -1;
3118 shost->max_cmd_len = 16;
da0436e9 3119 if (phba->sli_rev == LPFC_SLI_REV4) {
28baac74 3120 shost->dma_boundary =
cb5172ea 3121 phba->sli4_hba.pc_sli4_params.sge_supp_len-1;
da0436e9
JS		 3122 shost->sg_tablesize = phba->cfg_sg_seg_cnt;
3123 }
81301a9b 3124
47a8617c 3125 /*
2e0fef85
JS		 3126 * Set initial can_queue value since 0 is no longer supported and
3127 * scsi_add_host will fail. This will be adjusted later based on the
3128 * max xri value determined in hba setup.
47a8617c 3129 */
2e0fef85 3130 shost->can_queue = phba->cfg_hba_queue_depth - 10;
3de2a653 3131 if (dev != &phba->pcidev->dev) {
92d7f7b0
JS		 3132 shost->transportt = lpfc_vport_transport_template;
3133 vport->port_type = LPFC_NPIV_PORT;
3134 } else {
3135 shost->transportt = lpfc_transport_template;
3136 vport->port_type = LPFC_PHYSICAL_PORT;
3137 }
47a8617c 3138
2e0fef85
JS		 3139 /* Initialize all internally managed lists. */
3140 INIT_LIST_HEAD(&vport->fc_nodes);
da0436e9 3141 INIT_LIST_HEAD(&vport->rcv_buffer_list);
2e0fef85 3142 spin_lock_init(&vport->work_port_lock);
47a8617c 3143
2e0fef85
JS		 3144 init_timer(&vport->fc_disctmo);
3145 vport->fc_disctmo.function = lpfc_disc_timeout;
92d7f7b0 3146 vport->fc_disctmo.data = (unsigned long)vport;
47a8617c 3147
2e0fef85
JS		 3148 init_timer(&vport->fc_fdmitmo);
3149 vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
92d7f7b0 3150 vport->fc_fdmitmo.data = (unsigned long)vport;
47a8617c 3151
2e0fef85
JS		 3152 init_timer(&vport->els_tmofunc);
3153 vport->els_tmofunc.function = lpfc_els_timeout;
92d7f7b0 3154 vport->els_tmofunc.data = (unsigned long)vport;
92494144
JS		 3155
3156 init_timer(&vport->delayed_disc_tmo);
3157 vport->delayed_disc_tmo.function = lpfc_delayed_disc_tmo;
3158 vport->delayed_disc_tmo.data = (unsigned long)vport;
3159
d139b9bd 3160 error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev);
2e0fef85
JS		 3161 if (error)
3162 goto out_put_shost;
47a8617c 3163
549e55cd 3164 spin_lock_irq(&phba->hbalock);
2e0fef85 3165 list_add_tail(&vport->listentry, &phba->port_list);
549e55cd 3166 spin_unlock_irq(&phba->hbalock);
2e0fef85 3167 return vport;
47a8617c 3168
2e0fef85
JS		 3169out_put_shost:
3170 scsi_host_put(shost);
3171out:
3172 return NULL;
47a8617c
JS		 3173}
3174
e59058c4 3175/**
3621a710 3176 * destroy_port - destroy an FC port
e59058c4
JS		 3177 * @vport: pointer to an lpfc virtual N_Port data structure.
3178 *
3179 * This routine destroys a FC port from the upper layer protocol. All the
3180 * resources associated with the port are released.
3181 **/
2e0fef85
JS		 3182void
3183destroy_port(struct lpfc_vport *vport)
47a8617c 3184{
92d7f7b0
JS		 3185 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3186 struct lpfc_hba *phba = vport->phba;
47a8617c 3187
858c9f6c 3188 lpfc_debugfs_terminate(vport);
92d7f7b0
JS		 3189 fc_remove_host(shost);
3190 scsi_remove_host(shost);
47a8617c 3191
92d7f7b0
JS		 3192 spin_lock_irq(&phba->hbalock);
3193 list_del_init(&vport->listentry);
3194 spin_unlock_irq(&phba->hbalock);
47a8617c 3195
92d7f7b0 3196 lpfc_cleanup(vport);
47a8617c 3197 return;
47a8617c
JS		 3198}
3199
e59058c4 3200/**
3621a710 3201 * lpfc_get_instance - Get a unique integer ID
e59058c4
JS		 3202 *
3203 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
3204 * uses the kernel idr facility to perform the task.
3205 *
3206 * Return codes:
3207 * instance - a unique integer ID allocated as the new instance.
3208 * -1 - lpfc get instance failed.
3209 **/
92d7f7b0
JS		 3210int
3211lpfc_get_instance(void)
3212{
ab516036
TH		 3213 int ret;
3214
3215 ret = idr_alloc(&lpfc_hba_index, NULL, 0, 0, GFP_KERNEL);
3216 return ret < 0 ? -1 : ret;
47a8617c
JS		 3217}
3218
e59058c4 3219/**
3621a710 3220 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
e59058c4
JS		 3221 * @shost: pointer to SCSI host data structure.
3222 * @time: elapsed time of the scan in jiffies.
3223 *
3224 * This routine is called by the SCSI layer with a SCSI host to determine
3225 * whether the scan host is finished.
3226 *
3227 * Note: there is no scan_start function as adapter initialization will have
3228 * asynchronously kicked off the link initialization.
3229 *
3230 * Return codes
3231 * 0 - SCSI host scan is not over yet.
3232 * 1 - SCSI host scan is over.
3233 **/
47a8617c
JS		 3234int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
3235{
2e0fef85
JS		 3236 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3237 struct lpfc_hba *phba = vport->phba;
858c9f6c 3238 int stat = 0;
47a8617c 3239
858c9f6c
JS		 3240 spin_lock_irq(shost->host_lock);
3241
51ef4c26 3242 if (vport->load_flag & FC_UNLOADING) {
858c9f6c
JS		 3243 stat = 1;
3244 goto finished;
3245 }
256ec0d0 3246 if (time >= msecs_to_jiffies(30 * 1000)) {
2e0fef85 3247 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 3248 "0461 Scanning longer than 30 "
3249 "seconds. Continuing initialization\n");
858c9f6c 3250 stat = 1;
47a8617c 3251 goto finished;
2e0fef85 3252 }
256ec0d0
JS		 3253 if (time >= msecs_to_jiffies(15 * 1000) &&
3254 phba->link_state <= LPFC_LINK_DOWN) {
2e0fef85 3255 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 3256 "0465 Link down longer than 15 "
3257 "seconds. Continuing initialization\n");
858c9f6c 3258 stat = 1;
47a8617c 3259 goto finished;
2e0fef85 3260 }
47a8617c 3261
2e0fef85 3262 if (vport->port_state != LPFC_VPORT_READY)
858c9f6c 3263 goto finished;
2e0fef85 3264 if (vport->num_disc_nodes || vport->fc_prli_sent)
858c9f6c 3265 goto finished;
256ec0d0 3266 if (vport->fc_map_cnt == 0 && time < msecs_to_jiffies(2 * 1000))
858c9f6c 3267 goto finished;
2e0fef85 3268 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
858c9f6c
JS		 3269 goto finished;
3270
3271 stat = 1;
47a8617c
JS		 3272
3273finished:
858c9f6c
JS		 3274 spin_unlock_irq(shost->host_lock);
3275 return stat;
92d7f7b0 3276}
47a8617c 3277
e59058c4 3278/**
3621a710 3279 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
e59058c4
JS		 3280 * @shost: pointer to SCSI host data structure.
3281 *
3282 * This routine initializes a given SCSI host attributes on a FC port. The
3283 * SCSI host can be either on top of a physical port or a virtual port.
3284 **/
92d7f7b0
JS		 3285void lpfc_host_attrib_init(struct Scsi_Host *shost)
3286{
3287 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3288 struct lpfc_hba *phba = vport->phba;
47a8617c 3289 /*
2e0fef85 3290 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
47a8617c
JS		 3291 */
3292
2e0fef85
JS		 3293 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
3294 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
47a8617c
JS		 3295 fc_host_supported_classes(shost) = FC_COS_CLASS3;
3296
3297 memset(fc_host_supported_fc4s(shost), 0,
2e0fef85 3298 sizeof(fc_host_supported_fc4s(shost)));
47a8617c
JS		 3299 fc_host_supported_fc4s(shost)[2] = 1;
3300 fc_host_supported_fc4s(shost)[7] = 1;
3301
92d7f7b0
JS		 3302 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
3303 sizeof fc_host_symbolic_name(shost));
47a8617c
JS		 3304
3305 fc_host_supported_speeds(shost) = 0;
88a2cfbb
JS		 3306 if (phba->lmt & LMT_16Gb)
3307 fc_host_supported_speeds(shost) |= FC_PORTSPEED_16GBIT;
47a8617c
JS		 3308 if (phba->lmt & LMT_10Gb)
3309 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
a8adb832
JS		 3310 if (phba->lmt & LMT_8Gb)
3311 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
47a8617c
JS		 3312 if (phba->lmt & LMT_4Gb)
3313 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
3314 if (phba->lmt & LMT_2Gb)
3315 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
3316 if (phba->lmt & LMT_1Gb)
3317 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
3318
3319 fc_host_maxframe_size(shost) =
2e0fef85
JS		 3320 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
3321 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
47a8617c 3322
0af5d708
MC		 3323 fc_host_dev_loss_tmo(shost) = vport->cfg_devloss_tmo;
3324
47a8617c
JS		 3325 /* This value is also unchanging */
3326 memset(fc_host_active_fc4s(shost), 0,
2e0fef85 3327 sizeof(fc_host_active_fc4s(shost)));
47a8617c
JS		 3328 fc_host_active_fc4s(shost)[2] = 1;
3329 fc_host_active_fc4s(shost)[7] = 1;
3330
92d7f7b0 3331 fc_host_max_npiv_vports(shost) = phba->max_vpi;
47a8617c 3332 spin_lock_irq(shost->host_lock);
51ef4c26 3333 vport->load_flag &= ~FC_LOADING;
47a8617c 3334 spin_unlock_irq(shost->host_lock);
47a8617c 3335}
dea3101e 3336
e59058c4 3337/**
da0436e9 3338 * lpfc_stop_port_s3 - Stop SLI3 device port
e59058c4
JS		 3339 * @phba: pointer to lpfc hba data structure.
3340 *
da0436e9
JS		 3341 * This routine is invoked to stop an SLI3 device port, it stops the device
3342 * from generating interrupts and stops the device driver's timers for the
3343 * device.
e59058c4 3344 **/
da0436e9
JS		 3345static void
3346lpfc_stop_port_s3(struct lpfc_hba *phba)
db2378e0 3347{
da0436e9
JS		 3348 /* Clear all interrupt enable conditions */
3349 writel(0, phba->HCregaddr);
3350 readl(phba->HCregaddr); /* flush */
3351 /* Clear all pending interrupts */
3352 writel(0xffffffff, phba->HAregaddr);
3353 readl(phba->HAregaddr); /* flush */
db2378e0 3354
da0436e9
JS		 3355 /* Reset some HBA SLI setup states */
3356 lpfc_stop_hba_timers(phba);
3357 phba->pport->work_port_events = 0;
3358}
db2378e0 3359
da0436e9
JS		 3360/**
3361 * lpfc_stop_port_s4 - Stop SLI4 device port
3362 * @phba: pointer to lpfc hba data structure.
3363 *
3364 * This routine is invoked to stop an SLI4 device port, it stops the device
3365 * from generating interrupts and stops the device driver's timers for the
3366 * device.
3367 **/
3368static void
3369lpfc_stop_port_s4(struct lpfc_hba *phba)
3370{
3371 /* Reset some HBA SLI4 setup states */
3372 lpfc_stop_hba_timers(phba);
3373 phba->pport->work_port_events = 0;
3374 phba->sli4_hba.intr_enable = 0;
da0436e9 3375}
9399627f 3376
da0436e9
JS		 3377/**
3378 * lpfc_stop_port - Wrapper function for stopping hba port
3379 * @phba: Pointer to HBA context object.
3380 *
3381 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
3382 * the API jump table function pointer from the lpfc_hba struct.
3383 **/
3384void
3385lpfc_stop_port(struct lpfc_hba *phba)
3386{
3387 phba->lpfc_stop_port(phba);
3388}
db2378e0 3389
ecfd03c6
JS		 3390/**
3391 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
3392 * @phba: Pointer to hba for which this call is being executed.
3393 *
3394 * This routine starts the timer waiting for the FCF rediscovery to complete.
3395 **/
3396void
3397lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba)
3398{
3399 unsigned long fcf_redisc_wait_tmo =
3400 (jiffies + msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO));
3401 /* Start fcf rediscovery wait period timer */
3402 mod_timer(&phba->fcf.redisc_wait, fcf_redisc_wait_tmo);
3403 spin_lock_irq(&phba->hbalock);
3404 /* Allow action to new fcf asynchronous event */
3405 phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE);
3406 /* Mark the FCF rediscovery pending state */
3407 phba->fcf.fcf_flag |= FCF_REDISC_PEND;
3408 spin_unlock_irq(&phba->hbalock);
3409}
3410
3411/**
3412 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
3413 * @ptr: Map to lpfc_hba data structure pointer.
3414 *
3415 * This routine is invoked when waiting for FCF table rediscover has been
3416 * timed out. If new FCF record(s) has (have) been discovered during the
3417 * wait period, a new FCF event shall be added to the FCOE async event
3418 * list, and then worker thread shall be waked up for processing from the
3419 * worker thread context.
3420 **/
3421void
3422lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr)
3423{
3424 struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
3425
3426 /* Don't send FCF rediscovery event if timer cancelled */
3427 spin_lock_irq(&phba->hbalock);
3428 if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
3429 spin_unlock_irq(&phba->hbalock);
3430 return;
3431 }
3432 /* Clear FCF rediscovery timer pending flag */
3433 phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
3434 /* FCF rediscovery event to worker thread */
3435 phba->fcf.fcf_flag |= FCF_REDISC_EVT;
3436 spin_unlock_irq(&phba->hbalock);
0c9ab6f5 3437 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
a93ff37a 3438 "2776 FCF rediscover quiescent timer expired\n");
ecfd03c6
JS		 3439 /* wake up worker thread */
3440 lpfc_worker_wake_up(phba);
3441}
3442
e59058c4 3443/**
da0436e9 3444 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
e59058c4 3445 * @phba: pointer to lpfc hba data structure.
da0436e9 3446 * @acqe_link: pointer to the async link completion queue entry.
e59058c4 3447 *
da0436e9
JS		 3448 * This routine is to parse the SLI4 link-attention link fault code and
3449 * translate it into the base driver's read link attention mailbox command
3450 * status.
3451 *
3452 * Return: Link-attention status in terms of base driver's coding.
e59058c4 3453 **/
da0436e9
JS		 3454static uint16_t
3455lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba,
3456 struct lpfc_acqe_link *acqe_link)
db2378e0 3457{
da0436e9 3458 uint16_t latt_fault;
9399627f 3459
da0436e9
JS		 3460 switch (bf_get(lpfc_acqe_link_fault, acqe_link)) {
3461 case LPFC_ASYNC_LINK_FAULT_NONE:
3462 case LPFC_ASYNC_LINK_FAULT_LOCAL:
3463 case LPFC_ASYNC_LINK_FAULT_REMOTE:
3464 latt_fault = 0;
3465 break;
3466 default:
3467 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3468 "0398 Invalid link fault code: x%x\n",
3469 bf_get(lpfc_acqe_link_fault, acqe_link));
3470 latt_fault = MBXERR_ERROR;
3471 break;
3472 }
3473 return latt_fault;
db2378e0
JS		 3474}
3475
5b75da2f 3476/**
da0436e9 3477 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
5b75da2f 3478 * @phba: pointer to lpfc hba data structure.
da0436e9 3479 * @acqe_link: pointer to the async link completion queue entry.
5b75da2f 3480 *
da0436e9
JS		 3481 * This routine is to parse the SLI4 link attention type and translate it
3482 * into the base driver's link attention type coding.
5b75da2f 3483 *
da0436e9
JS		 3484 * Return: Link attention type in terms of base driver's coding.
3485 **/
3486static uint8_t
3487lpfc_sli4_parse_latt_type(struct lpfc_hba *phba,
3488 struct lpfc_acqe_link *acqe_link)
5b75da2f 3489{
da0436e9 3490 uint8_t att_type;
5b75da2f 3491
da0436e9
JS		 3492 switch (bf_get(lpfc_acqe_link_status, acqe_link)) {
3493 case LPFC_ASYNC_LINK_STATUS_DOWN:
3494 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN:
76a95d75 3495 att_type = LPFC_ATT_LINK_DOWN;
da0436e9
JS		 3496 break;
3497 case LPFC_ASYNC_LINK_STATUS_UP:
3498 /* Ignore physical link up events - wait for logical link up */
76a95d75 3499 att_type = LPFC_ATT_RESERVED;
da0436e9
JS		 3500 break;
3501 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP:
76a95d75 3502 att_type = LPFC_ATT_LINK_UP;
da0436e9
JS		 3503 break;
3504 default:
3505 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3506 "0399 Invalid link attention type: x%x\n",
3507 bf_get(lpfc_acqe_link_status, acqe_link));
76a95d75 3508 att_type = LPFC_ATT_RESERVED;
da0436e9 3509 break;
5b75da2f 3510 }
da0436e9 3511 return att_type;
5b75da2f
JS		 3512}
3513
3514/**
da0436e9 3515 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
5b75da2f 3516 * @phba: pointer to lpfc hba data structure.
da0436e9 3517 * @acqe_link: pointer to the async link completion queue entry.
5b75da2f 3518 *
da0436e9
JS		 3519 * This routine is to parse the SLI4 link-attention link speed and translate
3520 * it into the base driver's link-attention link speed coding.
3521 *
3522 * Return: Link-attention link speed in terms of base driver's coding.
3523 **/
3524static uint8_t
3525lpfc_sli4_parse_latt_link_speed(struct lpfc_hba *phba,
3526 struct lpfc_acqe_link *acqe_link)
5b75da2f 3527{
da0436e9
JS		 3528 uint8_t link_speed;
3529
3530 switch (bf_get(lpfc_acqe_link_speed, acqe_link)) {
3531 case LPFC_ASYNC_LINK_SPEED_ZERO:
da0436e9 3532 case LPFC_ASYNC_LINK_SPEED_10MBPS:
da0436e9 3533 case LPFC_ASYNC_LINK_SPEED_100MBPS:
76a95d75 3534 link_speed = LPFC_LINK_SPEED_UNKNOWN;
da0436e9
JS		 3535 break;
3536 case LPFC_ASYNC_LINK_SPEED_1GBPS:
76a95d75 3537 link_speed = LPFC_LINK_SPEED_1GHZ;
da0436e9
JS		 3538 break;
3539 case LPFC_ASYNC_LINK_SPEED_10GBPS:
76a95d75 3540 link_speed = LPFC_LINK_SPEED_10GHZ;
da0436e9
JS		 3541 break;
3542 default:
3543 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3544 "0483 Invalid link-attention link speed: x%x\n",
3545 bf_get(lpfc_acqe_link_speed, acqe_link));
76a95d75 3546 link_speed = LPFC_LINK_SPEED_UNKNOWN;
da0436e9
JS		 3547 break;
3548 }
3549 return link_speed;
3550}
3551
8b68cd52
JS		 3552/**
3553 * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
3554 * @phba: pointer to lpfc hba data structure.
3555 *
3556 * This routine is to get an SLI3 FC port's link speed in Mbps.
3557 *
3558 * Return: link speed in terms of Mbps.
3559 **/
3560uint32_t
3561lpfc_sli_port_speed_get(struct lpfc_hba *phba)
3562{
3563 uint32_t link_speed;
3564
3565 if (!lpfc_is_link_up(phba))
3566 return 0;
3567
3568 switch (phba->fc_linkspeed) {
3569 case LPFC_LINK_SPEED_1GHZ:
3570 link_speed = 1000;
3571 break;
3572 case LPFC_LINK_SPEED_2GHZ:
3573 link_speed = 2000;
3574 break;
3575 case LPFC_LINK_SPEED_4GHZ:
3576 link_speed = 4000;
3577 break;
3578 case LPFC_LINK_SPEED_8GHZ:
3579 link_speed = 8000;
3580 break;
3581 case LPFC_LINK_SPEED_10GHZ:
3582 link_speed = 10000;
3583 break;
3584 case LPFC_LINK_SPEED_16GHZ:
3585 link_speed = 16000;
3586 break;
3587 default:
3588 link_speed = 0;
3589 }
3590 return link_speed;
3591}
3592
3593/**
3594 * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
3595 * @phba: pointer to lpfc hba data structure.
3596 * @evt_code: asynchronous event code.
3597 * @speed_code: asynchronous event link speed code.
3598 *
3599 * This routine is to parse the giving SLI4 async event link speed code into
3600 * value of Mbps for the link speed.
3601 *
3602 * Return: link speed in terms of Mbps.
3603 **/
3604static uint32_t
3605lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code,
3606 uint8_t speed_code)
3607{
3608 uint32_t port_speed;
3609
3610 switch (evt_code) {
3611 case LPFC_TRAILER_CODE_LINK:
3612 switch (speed_code) {
3613 case LPFC_EVT_CODE_LINK_NO_LINK:
3614 port_speed = 0;
3615 break;
3616 case LPFC_EVT_CODE_LINK_10_MBIT:
3617 port_speed = 10;
3618 break;
3619 case LPFC_EVT_CODE_LINK_100_MBIT:
3620 port_speed = 100;
3621 break;
3622 case LPFC_EVT_CODE_LINK_1_GBIT:
3623 port_speed = 1000;
3624 break;
3625 case LPFC_EVT_CODE_LINK_10_GBIT:
3626 port_speed = 10000;
3627 break;
3628 default:
3629 port_speed = 0;
3630 }
3631 break;
3632 case LPFC_TRAILER_CODE_FC:
3633 switch (speed_code) {
3634 case LPFC_EVT_CODE_FC_NO_LINK:
3635 port_speed = 0;
3636 break;
3637 case LPFC_EVT_CODE_FC_1_GBAUD:
3638 port_speed = 1000;
3639 break;
3640 case LPFC_EVT_CODE_FC_2_GBAUD:
3641 port_speed = 2000;
3642 break;
3643 case LPFC_EVT_CODE_FC_4_GBAUD:
3644 port_speed = 4000;
3645 break;
3646 case LPFC_EVT_CODE_FC_8_GBAUD:
3647 port_speed = 8000;
3648 break;
3649 case LPFC_EVT_CODE_FC_10_GBAUD:
3650 port_speed = 10000;
3651 break;
3652 case LPFC_EVT_CODE_FC_16_GBAUD:
3653 port_speed = 16000;
3654 break;
3655 default:
3656 port_speed = 0;
3657 }
3658 break;
3659 default:
3660 port_speed = 0;
3661 }
3662 return port_speed;
3663}
3664
da0436e9 3665/**
70f3c073 3666 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
da0436e9
JS		 3667 * @phba: pointer to lpfc hba data structure.
3668 * @acqe_link: pointer to the async link completion queue entry.
3669 *
70f3c073 3670 * This routine is to handle the SLI4 asynchronous FCoE link event.
da0436e9
JS		 3671 **/
3672static void
3673lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
3674 struct lpfc_acqe_link *acqe_link)
3675{
3676 struct lpfc_dmabuf *mp;
3677 LPFC_MBOXQ_t *pmb;
3678 MAILBOX_t *mb;
76a95d75 3679 struct lpfc_mbx_read_top *la;
da0436e9 3680 uint8_t att_type;
76a95d75 3681 int rc;
da0436e9
JS		 3682
3683 att_type = lpfc_sli4_parse_latt_type(phba, acqe_link);
76a95d75 3684 if (att_type != LPFC_ATT_LINK_DOWN && att_type != LPFC_ATT_LINK_UP)
da0436e9 3685 return;
32b9793f 3686 phba->fcoe_eventtag = acqe_link->event_tag;
da0436e9
JS		 3687 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3688 if (!pmb) {
3689 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3690 "0395 The mboxq allocation failed\n");
3691 return;
3692 }
3693 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3694 if (!mp) {
3695 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3696 "0396 The lpfc_dmabuf allocation failed\n");
3697 goto out_free_pmb;
3698 }
3699 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
3700 if (!mp->virt) {
3701 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3702 "0397 The mbuf allocation failed\n");
3703 goto out_free_dmabuf;
3704 }
3705
3706 /* Cleanup any outstanding ELS commands */
3707 lpfc_els_flush_all_cmd(phba);
3708
3709 /* Block ELS IOCBs until we have done process link event */
3710 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
3711
3712 /* Update link event statistics */
3713 phba->sli.slistat.link_event++;
3714
76a95d75
JS		 3715 /* Create lpfc_handle_latt mailbox command from link ACQE */
3716 lpfc_read_topology(phba, pmb, mp);
3717 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
da0436e9
JS		 3718 pmb->vport = phba->pport;
3719
da0436e9
JS		 3720 /* Keep the link status for extra SLI4 state machine reference */
3721 phba->sli4_hba.link_state.speed =
8b68cd52
JS		 3722 lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_LINK,
3723 bf_get(lpfc_acqe_link_speed, acqe_link));
da0436e9
JS		 3724 phba->sli4_hba.link_state.duplex =
3725 bf_get(lpfc_acqe_link_duplex, acqe_link);
3726 phba->sli4_hba.link_state.status =
3727 bf_get(lpfc_acqe_link_status, acqe_link);
70f3c073
JS		 3728 phba->sli4_hba.link_state.type =
3729 bf_get(lpfc_acqe_link_type, acqe_link);
3730 phba->sli4_hba.link_state.number =
3731 bf_get(lpfc_acqe_link_number, acqe_link);
da0436e9
JS		 3732 phba->sli4_hba.link_state.fault =
3733 bf_get(lpfc_acqe_link_fault, acqe_link);
65467b6b 3734 phba->sli4_hba.link_state.logical_speed =
8b68cd52
JS		 3735 bf_get(lpfc_acqe_logical_link_speed, acqe_link) * 10;
3736
70f3c073 3737 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
c31098ce
JS		 3738 "2900 Async FC/FCoE Link event - Speed:%dGBit "
3739 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
3740 "Logical speed:%dMbps Fault:%d\n",
70f3c073
JS		 3741 phba->sli4_hba.link_state.speed,
3742 phba->sli4_hba.link_state.topology,
3743 phba->sli4_hba.link_state.status,
3744 phba->sli4_hba.link_state.type,
3745 phba->sli4_hba.link_state.number,
8b68cd52 3746 phba->sli4_hba.link_state.logical_speed,
70f3c073 3747 phba->sli4_hba.link_state.fault);
76a95d75
JS		 3748 /*
3749 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
3750 * topology info. Note: Optional for non FC-AL ports.
3751 */
3752 if (!(phba->hba_flag & HBA_FCOE_MODE)) {
3753 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
3754 if (rc == MBX_NOT_FINISHED)
3755 goto out_free_dmabuf;
3756 return;
3757 }
3758 /*
3759 * For FCoE Mode: fill in all the topology information we need and call
3760 * the READ_TOPOLOGY completion routine to continue without actually
3761 * sending the READ_TOPOLOGY mailbox command to the port.
3762 */
3763 /* Parse and translate status field */
3764 mb = &pmb->u.mb;
3765 mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link);
3766
3767 /* Parse and translate link attention fields */
3768 la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop;
3769 la->eventTag = acqe_link->event_tag;
3770 bf_set(lpfc_mbx_read_top_att_type, la, att_type);
3771 bf_set(lpfc_mbx_read_top_link_spd, la,
3772 lpfc_sli4_parse_latt_link_speed(phba, acqe_link));
3773
3774 /* Fake the the following irrelvant fields */
3775 bf_set(lpfc_mbx_read_top_topology, la, LPFC_TOPOLOGY_PT_PT);
3776 bf_set(lpfc_mbx_read_top_alpa_granted, la, 0);
3777 bf_set(lpfc_mbx_read_top_il, la, 0);
3778 bf_set(lpfc_mbx_read_top_pb, la, 0);
3779 bf_set(lpfc_mbx_read_top_fa, la, 0);
3780 bf_set(lpfc_mbx_read_top_mm, la, 0);
da0436e9
JS		 3781
3782 /* Invoke the lpfc_handle_latt mailbox command callback function */
76a95d75 3783 lpfc_mbx_cmpl_read_topology(phba, pmb);
da0436e9 3784
5b75da2f 3785 return;
da0436e9
JS		 3786
3787out_free_dmabuf:
3788 kfree(mp);
3789out_free_pmb:
3790 mempool_free(pmb, phba->mbox_mem_pool);
3791}
3792
70f3c073
JS		 3793/**
3794 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
3795 * @phba: pointer to lpfc hba data structure.
3796 * @acqe_fc: pointer to the async fc completion queue entry.
3797 *
3798 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
3799 * that the event was received and then issue a read_topology mailbox command so
3800 * that the rest of the driver will treat it the same as SLI3.
3801 **/
3802static void
3803lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
3804{
3805 struct lpfc_dmabuf *mp;
3806 LPFC_MBOXQ_t *pmb;
3807 int rc;
3808
3809 if (bf_get(lpfc_trailer_type, acqe_fc) !=
3810 LPFC_FC_LA_EVENT_TYPE_FC_LINK) {
3811 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3812 "2895 Non FC link Event detected.(%d)\n",
3813 bf_get(lpfc_trailer_type, acqe_fc));
3814 return;
3815 }
3816 /* Keep the link status for extra SLI4 state machine reference */
3817 phba->sli4_hba.link_state.speed =
8b68cd52
JS		 3818 lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC,
3819 bf_get(lpfc_acqe_fc_la_speed, acqe_fc));
70f3c073
JS		 3820 phba->sli4_hba.link_state.duplex = LPFC_ASYNC_LINK_DUPLEX_FULL;
3821 phba->sli4_hba.link_state.topology =
3822 bf_get(lpfc_acqe_fc_la_topology, acqe_fc);
3823 phba->sli4_hba.link_state.status =
3824 bf_get(lpfc_acqe_fc_la_att_type, acqe_fc);
3825 phba->sli4_hba.link_state.type =
3826 bf_get(lpfc_acqe_fc_la_port_type, acqe_fc);
3827 phba->sli4_hba.link_state.number =
3828 bf_get(lpfc_acqe_fc_la_port_number, acqe_fc);
3829 phba->sli4_hba.link_state.fault =
3830 bf_get(lpfc_acqe_link_fault, acqe_fc);
3831 phba->sli4_hba.link_state.logical_speed =
8b68cd52 3832 bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10;
70f3c073
JS		 3833 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3834 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
3835 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
3836 "%dMbps Fault:%d\n",
3837 phba->sli4_hba.link_state.speed,
3838 phba->sli4_hba.link_state.topology,
3839 phba->sli4_hba.link_state.status,
3840 phba->sli4_hba.link_state.type,
3841 phba->sli4_hba.link_state.number,
8b68cd52 3842 phba->sli4_hba.link_state.logical_speed,
70f3c073
JS		 3843 phba->sli4_hba.link_state.fault);
3844 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3845 if (!pmb) {
3846 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3847 "2897 The mboxq allocation failed\n");
3848 return;
3849 }
3850 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3851 if (!mp) {
3852 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3853 "2898 The lpfc_dmabuf allocation failed\n");
3854 goto out_free_pmb;
3855 }
3856 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
3857 if (!mp->virt) {
3858 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3859 "2899 The mbuf allocation failed\n");
3860 goto out_free_dmabuf;
3861 }
3862
3863 /* Cleanup any outstanding ELS commands */
3864 lpfc_els_flush_all_cmd(phba);
3865
3866 /* Block ELS IOCBs until we have done process link event */
3867 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
3868
3869 /* Update link event statistics */
3870 phba->sli.slistat.link_event++;
3871
3872 /* Create lpfc_handle_latt mailbox command from link ACQE */
3873 lpfc_read_topology(phba, pmb, mp);
3874 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
3875 pmb->vport = phba->pport;
3876
3877 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
3878 if (rc == MBX_NOT_FINISHED)
3879 goto out_free_dmabuf;
3880 return;
3881
3882out_free_dmabuf:
3883 kfree(mp);
3884out_free_pmb:
3885 mempool_free(pmb, phba->mbox_mem_pool);
3886}
3887
3888/**
3889 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
3890 * @phba: pointer to lpfc hba data structure.
3891 * @acqe_fc: pointer to the async SLI completion queue entry.
3892 *
3893 * This routine is to handle the SLI4 asynchronous SLI events.
3894 **/
3895static void
3896lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli)
3897{
4b8bae08 3898 char port_name;
8c1312e1 3899 char message[128];
4b8bae08
JS		 3900 uint8_t status;
3901 struct lpfc_acqe_misconfigured_event *misconfigured;
3902
3903 /* special case misconfigured event as it contains data for all ports */
3904 if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
3905 LPFC_SLI_INTF_IF_TYPE_2) ||
3906 (bf_get(lpfc_trailer_type, acqe_sli) !=
3907 LPFC_SLI_EVENT_TYPE_MISCONFIGURED)) {
3908 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3909 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
3910 "x%08x SLI Event Type:%d\n",
3911 acqe_sli->event_data1, acqe_sli->event_data2,
3912 bf_get(lpfc_trailer_type, acqe_sli));
3913 return;
3914 }
3915
3916 port_name = phba->Port[0];
3917 if (port_name == 0x00)
3918 port_name = '?'; /* get port name is empty */
3919
3920 misconfigured = (struct lpfc_acqe_misconfigured_event *)
3921 &acqe_sli->event_data1;
3922
3923 /* fetch the status for this port */
3924 switch (phba->sli4_hba.lnk_info.lnk_no) {
3925 case LPFC_LINK_NUMBER_0:
3926 status = bf_get(lpfc_sli_misconfigured_port0,
3927 &misconfigured->theEvent);
3928 break;
3929 case LPFC_LINK_NUMBER_1:
3930 status = bf_get(lpfc_sli_misconfigured_port1,
3931 &misconfigured->theEvent);
3932 break;
3933 case LPFC_LINK_NUMBER_2:
3934 status = bf_get(lpfc_sli_misconfigured_port2,
3935 &misconfigured->theEvent);
3936 break;
3937 case LPFC_LINK_NUMBER_3:
3938 status = bf_get(lpfc_sli_misconfigured_port3,
3939 &misconfigured->theEvent);
3940 break;
3941 default:
3942 status = ~LPFC_SLI_EVENT_STATUS_VALID;
3943 break;
3944 }
3945
3946 switch (status) {
3947 case LPFC_SLI_EVENT_STATUS_VALID:
3948 return; /* no message if the sfp is okay */
3949 case LPFC_SLI_EVENT_STATUS_NOT_PRESENT:
292098be
JS		 3950 sprintf(message, "Optics faulted/incorrectly installed/not " \
3951 "installed - Reseat optics, if issue not "
3952 "resolved, replace.");
4b8bae08
JS		 3953 break;
3954 case LPFC_SLI_EVENT_STATUS_WRONG_TYPE:
3955 sprintf(message,
292098be
JS		 3956 "Optics of two types installed - Remove one optic or " \
3957 "install matching pair of optics.");
4b8bae08
JS		 3958 break;
3959 case LPFC_SLI_EVENT_STATUS_UNSUPPORTED:
292098be
JS		 3960 sprintf(message, "Incompatible optics - Replace with " \
3961 "compatible optics for card to function.");
4b8bae08
JS		 3962 break;
3963 default:
3964 /* firmware is reporting a status we don't know about */
3965 sprintf(message, "Unknown event status x%02x", status);
3966 break;
3967 }
3968
3969 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3970 "3176 Misconfigured Physical Port - "
3971 "Port Name %c %s\n", port_name, message);
70f3c073
JS		 3972}
3973
fc2b989b
JS		 3974/**
3975 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
3976 * @vport: pointer to vport data structure.
3977 *
3978 * This routine is to perform Clear Virtual Link (CVL) on a vport in
3979 * response to a CVL event.
3980 *
3981 * Return the pointer to the ndlp with the vport if successful, otherwise
3982 * return NULL.
3983 **/
3984static struct lpfc_nodelist *
3985lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport)
3986{
3987 struct lpfc_nodelist *ndlp;
3988 struct Scsi_Host *shost;
3989 struct lpfc_hba *phba;
3990
3991 if (!vport)
3992 return NULL;
fc2b989b
JS		 3993 phba = vport->phba;
3994 if (!phba)
3995 return NULL;
78730cfe
JS		 3996 ndlp = lpfc_findnode_did(vport, Fabric_DID);
3997 if (!ndlp) {
3998 /* Cannot find existing Fabric ndlp, so allocate a new one */
3999 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
4000 if (!ndlp)
4001 return 0;
4002 lpfc_nlp_init(vport, ndlp, Fabric_DID);
4003 /* Set the node type */
4004 ndlp->nlp_type |= NLP_FABRIC;
4005 /* Put ndlp onto node list */
4006 lpfc_enqueue_node(vport, ndlp);
4007 } else if (!NLP_CHK_NODE_ACT(ndlp)) {
4008 /* re-setup ndlp without removing from node list */
4009 ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
4010 if (!ndlp)
4011 return 0;
4012 }
63e801ce
JS		 4013 if ((phba->pport->port_state < LPFC_FLOGI) &&
4014 (phba->pport->port_state != LPFC_VPORT_FAILED))
fc2b989b
JS		 4015 return NULL;
4016 /* If virtual link is not yet instantiated ignore CVL */
63e801ce
JS		 4017 if ((vport != phba->pport) && (vport->port_state < LPFC_FDISC)
4018 && (vport->port_state != LPFC_VPORT_FAILED))
fc2b989b
JS		 4019 return NULL;
4020 shost = lpfc_shost_from_vport(vport);
4021 if (!shost)
4022 return NULL;
4023 lpfc_linkdown_port(vport);
4024 lpfc_cleanup_pending_mbox(vport);
4025 spin_lock_irq(shost->host_lock);
4026 vport->fc_flag |= FC_VPORT_CVL_RCVD;
4027 spin_unlock_irq(shost->host_lock);
4028
4029 return ndlp;
4030}
4031
4032/**
4033 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
4034 * @vport: pointer to lpfc hba data structure.
4035 *
4036 * This routine is to perform Clear Virtual Link (CVL) on all vports in
4037 * response to a FCF dead event.
4038 **/
4039static void
4040lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba)
4041{
4042 struct lpfc_vport **vports;
4043 int i;
4044
4045 vports = lpfc_create_vport_work_array(phba);
4046 if (vports)
4047 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
4048 lpfc_sli4_perform_vport_cvl(vports[i]);
4049 lpfc_destroy_vport_work_array(phba, vports);
4050}
4051
da0436e9 4052/**
76a95d75 4053 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
da0436e9
JS		 4054 * @phba: pointer to lpfc hba data structure.
4055 * @acqe_link: pointer to the async fcoe completion queue entry.
4056 *
4057 * This routine is to handle the SLI4 asynchronous fcoe event.
4058 **/
4059static void
76a95d75 4060lpfc_sli4_async_fip_evt(struct lpfc_hba *phba,
70f3c073 4061 struct lpfc_acqe_fip *acqe_fip)
da0436e9 4062{
70f3c073 4063 uint8_t event_type = bf_get(lpfc_trailer_type, acqe_fip);
da0436e9 4064 int rc;
6669f9bb
JS		 4065 struct lpfc_vport *vport;
4066 struct lpfc_nodelist *ndlp;
4067 struct Scsi_Host *shost;
695a814e
JS		 4068 int active_vlink_present;
4069 struct lpfc_vport **vports;
4070 int i;
da0436e9 4071
70f3c073
JS		 4072 phba->fc_eventTag = acqe_fip->event_tag;
4073 phba->fcoe_eventtag = acqe_fip->event_tag;
da0436e9 4074 switch (event_type) {
70f3c073
JS		 4075 case LPFC_FIP_EVENT_TYPE_NEW_FCF:
4076 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD:
4077 if (event_type == LPFC_FIP_EVENT_TYPE_NEW_FCF)
999d813f
JS		 4078 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
4079 LOG_DISCOVERY,
a93ff37a
JS		 4080 "2546 New FCF event, evt_tag:x%x, "
4081 "index:x%x\n",
70f3c073
JS		 4082 acqe_fip->event_tag,
4083 acqe_fip->index);
999d813f
JS		 4084 else
4085 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP |
4086 LOG_DISCOVERY,
a93ff37a
JS		 4087 "2788 FCF param modified event, "
4088 "evt_tag:x%x, index:x%x\n",
70f3c073
JS		 4089 acqe_fip->event_tag,
4090 acqe_fip->index);
38b92ef8 4091 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
0c9ab6f5
JS		 4092 /*
4093 * During period of FCF discovery, read the FCF
4094 * table record indexed by the event to update
a93ff37a 4095 * FCF roundrobin failover eligible FCF bmask.
0c9ab6f5
JS		 4096 */
4097 lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
4098 LOG_DISCOVERY,
a93ff37a
JS		 4099 "2779 Read FCF (x%x) for updating "
4100 "roundrobin FCF failover bmask\n",
70f3c073
JS		 4101 acqe_fip->index);
4102 rc = lpfc_sli4_read_fcf_rec(phba, acqe_fip->index);
0c9ab6f5 4103 }
38b92ef8
JS		 4104
4105 /* If the FCF discovery is in progress, do nothing. */
3804dc84 4106 spin_lock_irq(&phba->hbalock);
a93ff37a 4107 if (phba->hba_flag & FCF_TS_INPROG) {
38b92ef8
JS		 4108 spin_unlock_irq(&phba->hbalock);
4109 break;
4110 }
4111 /* If fast FCF failover rescan event is pending, do nothing */
4112 if (phba->fcf.fcf_flag & FCF_REDISC_EVT) {
4113 spin_unlock_irq(&phba->hbalock);
4114 break;
4115 }
4116
c2b9712e
JS		 4117 /* If the FCF has been in discovered state, do nothing. */
4118 if (phba->fcf.fcf_flag & FCF_SCAN_DONE) {
3804dc84
JS		 4119 spin_unlock_irq(&phba->hbalock);
4120 break;
4121 }
4122 spin_unlock_irq(&phba->hbalock);
38b92ef8 4123
0c9ab6f5
JS		 4124 /* Otherwise, scan the entire FCF table and re-discover SAN */
4125 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
a93ff37a
JS		 4126 "2770 Start FCF table scan per async FCF "
4127 "event, evt_tag:x%x, index:x%x\n",
70f3c073 4128 acqe_fip->event_tag, acqe_fip->index);
0c9ab6f5
JS		 4129 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
4130 LPFC_FCOE_FCF_GET_FIRST);
da0436e9 4131 if (rc)
0c9ab6f5
JS		 4132 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
4133 "2547 Issue FCF scan read FCF mailbox "
a93ff37a 4134 "command failed (x%x)\n", rc);
da0436e9
JS		 4135 break;
4136
70f3c073 4137 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL:
da0436e9 4138 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
e4e74273 4139 "2548 FCF Table full count 0x%x tag 0x%x\n",
70f3c073
JS		 4140 bf_get(lpfc_acqe_fip_fcf_count, acqe_fip),
4141 acqe_fip->event_tag);
da0436e9
JS		 4142 break;
4143
70f3c073 4144 case LPFC_FIP_EVENT_TYPE_FCF_DEAD:
80c17849 4145 phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
0c9ab6f5 4146 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
a93ff37a 4147 "2549 FCF (x%x) disconnected from network, "
70f3c073 4148 "tag:x%x\n", acqe_fip->index, acqe_fip->event_tag);
38b92ef8
JS		 4149 /*
4150 * If we are in the middle of FCF failover process, clear
4151 * the corresponding FCF bit in the roundrobin bitmap.
da0436e9 4152 */
fc2b989b 4153 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4154 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
fc2b989b 4155 spin_unlock_irq(&phba->hbalock);
0c9ab6f5 4156 /* Update FLOGI FCF failover eligible FCF bmask */
70f3c073 4157 lpfc_sli4_fcf_rr_index_clear(phba, acqe_fip->index);
fc2b989b
JS		 4158 break;
4159 }
38b92ef8
JS		 4160 spin_unlock_irq(&phba->hbalock);
4161
4162 /* If the event is not for currently used fcf do nothing */
70f3c073 4163 if (phba->fcf.current_rec.fcf_indx != acqe_fip->index)
38b92ef8
JS		 4164 break;
4165
4166 /*
4167 * Otherwise, request the port to rediscover the entire FCF
4168 * table for a fast recovery from case that the current FCF
4169 * is no longer valid as we are not in the middle of FCF
4170 * failover process already.
4171 */
c2b9712e
JS		 4172 spin_lock_irq(&phba->hbalock);
4173 /* Mark the fast failover process in progress */
4174 phba->fcf.fcf_flag |= FCF_DEAD_DISC;
4175 spin_unlock_irq(&phba->hbalock);
4176
4177 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
4178 "2771 Start FCF fast failover process due to "
4179 "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
4180 "\n", acqe_fip->event_tag, acqe_fip->index);
4181 rc = lpfc_sli4_redisc_fcf_table(phba);
4182 if (rc) {
4183 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
4184 LOG_DISCOVERY,
4185 "2772 Issue FCF rediscover mabilbox "
4186 "command failed, fail through to FCF "
4187 "dead event\n");
4188 spin_lock_irq(&phba->hbalock);
4189 phba->fcf.fcf_flag &= ~FCF_DEAD_DISC;
4190 spin_unlock_irq(&phba->hbalock);
4191 /*
4192 * Last resort will fail over by treating this
4193 * as a link down to FCF registration.
4194 */
4195 lpfc_sli4_fcf_dead_failthrough(phba);
4196 } else {
4197 /* Reset FCF roundrobin bmask for new discovery */
4198 lpfc_sli4_clear_fcf_rr_bmask(phba);
4199 /*
4200 * Handling fast FCF failover to a DEAD FCF event is
4201 * considered equalivant to receiving CVL to all vports.
4202 */
4203 lpfc_sli4_perform_all_vport_cvl(phba);
4204 }
da0436e9 4205 break;
70f3c073 4206 case LPFC_FIP_EVENT_TYPE_CVL:
80c17849 4207 phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
0c9ab6f5 4208 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
6669f9bb 4209 "2718 Clear Virtual Link Received for VPI 0x%x"
70f3c073 4210 " tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag);
6d368e53 4211
6669f9bb 4212 vport = lpfc_find_vport_by_vpid(phba,
5248a749 4213 acqe_fip->index);
fc2b989b 4214 ndlp = lpfc_sli4_perform_vport_cvl(vport);
6669f9bb
JS		 4215 if (!ndlp)
4216 break;
695a814e
JS		 4217 active_vlink_present = 0;
4218
4219 vports = lpfc_create_vport_work_array(phba);
4220 if (vports) {
4221 for (i = 0; i <= phba->max_vports && vports[i] != NULL;
4222 i++) {
4223 if ((!(vports[i]->fc_flag &
4224 FC_VPORT_CVL_RCVD)) &&
4225 (vports[i]->port_state > LPFC_FDISC)) {
4226 active_vlink_present = 1;
4227 break;
4228 }
4229 }
4230 lpfc_destroy_vport_work_array(phba, vports);
4231 }
4232
4233 if (active_vlink_present) {
4234 /*
4235 * If there are other active VLinks present,
4236 * re-instantiate the Vlink using FDISC.
4237 */
256ec0d0
JS		 4238 mod_timer(&ndlp->nlp_delayfunc,
4239 jiffies + msecs_to_jiffies(1000));
fc2b989b 4240 shost = lpfc_shost_from_vport(vport);
6669f9bb
JS		 4241 spin_lock_irq(shost->host_lock);
4242 ndlp->nlp_flag |= NLP_DELAY_TMO;
4243 spin_unlock_irq(shost->host_lock);
695a814e
JS		 4244 ndlp->nlp_last_elscmd = ELS_CMD_FDISC;
4245 vport->port_state = LPFC_FDISC;
4246 } else {
ecfd03c6
JS		 4247 /*
4248 * Otherwise, we request port to rediscover
4249 * the entire FCF table for a fast recovery
4250 * from possible case that the current FCF
0c9ab6f5
JS		 4251 * is no longer valid if we are not already
4252 * in the FCF failover process.
ecfd03c6 4253 */
fc2b989b 4254 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4255 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
fc2b989b
JS		 4256 spin_unlock_irq(&phba->hbalock);
4257 break;
4258 }
4259 /* Mark the fast failover process in progress */
0c9ab6f5 4260 phba->fcf.fcf_flag |= FCF_ACVL_DISC;
fc2b989b 4261 spin_unlock_irq(&phba->hbalock);
0c9ab6f5
JS		 4262 lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
4263 LOG_DISCOVERY,
a93ff37a 4264 "2773 Start FCF failover per CVL, "
70f3c073 4265 "evt_tag:x%x\n", acqe_fip->event_tag);
ecfd03c6 4266 rc = lpfc_sli4_redisc_fcf_table(phba);
fc2b989b 4267 if (rc) {
0c9ab6f5
JS		 4268 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
4269 LOG_DISCOVERY,
4270 "2774 Issue FCF rediscover "
4271 "mabilbox command failed, "
4272 "through to CVL event\n");
fc2b989b 4273 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4274 phba->fcf.fcf_flag &= ~FCF_ACVL_DISC;
fc2b989b 4275 spin_unlock_irq(&phba->hbalock);
ecfd03c6
JS		 4276 /*
4277 * Last resort will be re-try on the
4278 * the current registered FCF entry.
4279 */
4280 lpfc_retry_pport_discovery(phba);
38b92ef8
JS		 4281 } else
4282 /*
4283 * Reset FCF roundrobin bmask for new
4284 * discovery.
4285 */
7d791df7 4286 lpfc_sli4_clear_fcf_rr_bmask(phba);
6669f9bb
JS		 4287 }
4288 break;
da0436e9
JS		 4289 default:
4290 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4291 "0288 Unknown FCoE event type 0x%x event tag "
70f3c073 4292 "0x%x\n", event_type, acqe_fip->event_tag);
da0436e9
JS		 4293 break;
4294 }
4295}
4296
4297/**
4298 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
4299 * @phba: pointer to lpfc hba data structure.
4300 * @acqe_link: pointer to the async dcbx completion queue entry.
4301 *
4302 * This routine is to handle the SLI4 asynchronous dcbx event.
4303 **/
4304static void
4305lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba,
4306 struct lpfc_acqe_dcbx *acqe_dcbx)
4307{
4d9ab994 4308 phba->fc_eventTag = acqe_dcbx->event_tag;
da0436e9
JS		 4309 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4310 "0290 The SLI4 DCBX asynchronous event is not "
4311 "handled yet\n");
4312}
4313
b19a061a
JS		 4314/**
4315 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
4316 * @phba: pointer to lpfc hba data structure.
4317 * @acqe_link: pointer to the async grp5 completion queue entry.
4318 *
4319 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
4320 * is an asynchronous notified of a logical link speed change. The Port
4321 * reports the logical link speed in units of 10Mbps.
4322 **/
4323static void
4324lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba,
4325 struct lpfc_acqe_grp5 *acqe_grp5)
4326{
4327 uint16_t prev_ll_spd;
4328
4329 phba->fc_eventTag = acqe_grp5->event_tag;
4330 phba->fcoe_eventtag = acqe_grp5->event_tag;
4331 prev_ll_spd = phba->sli4_hba.link_state.logical_speed;
4332 phba->sli4_hba.link_state.logical_speed =
8b68cd52 4333 (bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5)) * 10;
b19a061a
JS		 4334 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
4335 "2789 GRP5 Async Event: Updating logical link speed "
8b68cd52
JS		 4336 "from %dMbps to %dMbps\n", prev_ll_spd,
4337 phba->sli4_hba.link_state.logical_speed);
b19a061a
JS		 4338}
4339
da0436e9
JS		 4340/**
4341 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
4342 * @phba: pointer to lpfc hba data structure.
4343 *
4344 * This routine is invoked by the worker thread to process all the pending
4345 * SLI4 asynchronous events.
4346 **/
4347void lpfc_sli4_async_event_proc(struct lpfc_hba *phba)
4348{
4349 struct lpfc_cq_event *cq_event;
4350
4351 /* First, declare the async event has been handled */
4352 spin_lock_irq(&phba->hbalock);
4353 phba->hba_flag &= ~ASYNC_EVENT;
4354 spin_unlock_irq(&phba->hbalock);
4355 /* Now, handle all the async events */
4356 while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) {
4357 /* Get the first event from the head of the event queue */
4358 spin_lock_irq(&phba->hbalock);
4359 list_remove_head(&phba->sli4_hba.sp_asynce_work_queue,
4360 cq_event, struct lpfc_cq_event, list);
4361 spin_unlock_irq(&phba->hbalock);
4362 /* Process the asynchronous event */
4363 switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) {
4364 case LPFC_TRAILER_CODE_LINK:
4365 lpfc_sli4_async_link_evt(phba,
4366 &cq_event->cqe.acqe_link);
4367 break;
4368 case LPFC_TRAILER_CODE_FCOE:
70f3c073 4369 lpfc_sli4_async_fip_evt(phba, &cq_event->cqe.acqe_fip);
da0436e9
JS		 4370 break;
4371 case LPFC_TRAILER_CODE_DCBX:
4372 lpfc_sli4_async_dcbx_evt(phba,
4373 &cq_event->cqe.acqe_dcbx);
4374 break;
b19a061a
JS		 4375 case LPFC_TRAILER_CODE_GRP5:
4376 lpfc_sli4_async_grp5_evt(phba,
4377 &cq_event->cqe.acqe_grp5);
4378 break;
70f3c073
JS		 4379 case LPFC_TRAILER_CODE_FC:
4380 lpfc_sli4_async_fc_evt(phba, &cq_event->cqe.acqe_fc);
4381 break;
4382 case LPFC_TRAILER_CODE_SLI:
4383 lpfc_sli4_async_sli_evt(phba, &cq_event->cqe.acqe_sli);
4384 break;
da0436e9
JS		 4385 default:
4386 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4387 "1804 Invalid asynchrous event code: "
4388 "x%x\n", bf_get(lpfc_trailer_code,
4389 &cq_event->cqe.mcqe_cmpl));
4390 break;
4391 }
4392 /* Free the completion event processed to the free pool */
4393 lpfc_sli4_cq_event_release(phba, cq_event);
4394 }
4395}
4396
ecfd03c6
JS		 4397/**
4398 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
4399 * @phba: pointer to lpfc hba data structure.
4400 *
4401 * This routine is invoked by the worker thread to process FCF table
4402 * rediscovery pending completion event.
4403 **/
4404void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba)
4405{
4406 int rc;
4407
4408 spin_lock_irq(&phba->hbalock);
4409 /* Clear FCF rediscovery timeout event */
4410 phba->fcf.fcf_flag &= ~FCF_REDISC_EVT;
4411 /* Clear driver fast failover FCF record flag */
4412 phba->fcf.failover_rec.flag = 0;
4413 /* Set state for FCF fast failover */
4414 phba->fcf.fcf_flag |= FCF_REDISC_FOV;
4415 spin_unlock_irq(&phba->hbalock);
4416
4417 /* Scan FCF table from the first entry to re-discover SAN */
0c9ab6f5 4418 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
a93ff37a 4419 "2777 Start post-quiescent FCF table scan\n");
0c9ab6f5 4420 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
ecfd03c6 4421 if (rc)
0c9ab6f5
JS		 4422 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
4423 "2747 Issue FCF scan read FCF mailbox "
4424 "command failed 0x%x\n", rc);
ecfd03c6
JS		 4425}
4426
da0436e9
JS		 4427/**
4428 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
4429 * @phba: pointer to lpfc hba data structure.
4430 * @dev_grp: The HBA PCI-Device group number.
4431 *
4432 * This routine is invoked to set up the per HBA PCI-Device group function
4433 * API jump table entries.
4434 *
4435 * Return: 0 if success, otherwise -ENODEV
4436 **/
4437int
4438lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
4439{
4440 int rc;
4441
4442 /* Set up lpfc PCI-device group */
4443 phba->pci_dev_grp = dev_grp;
4444
4445 /* The LPFC_PCI_DEV_OC uses SLI4 */
4446 if (dev_grp == LPFC_PCI_DEV_OC)
4447 phba->sli_rev = LPFC_SLI_REV4;
4448
4449 /* Set up device INIT API function jump table */
4450 rc = lpfc_init_api_table_setup(phba, dev_grp);
4451 if (rc)
4452 return -ENODEV;
4453 /* Set up SCSI API function jump table */
4454 rc = lpfc_scsi_api_table_setup(phba, dev_grp);
4455 if (rc)
4456 return -ENODEV;
4457 /* Set up SLI API function jump table */
4458 rc = lpfc_sli_api_table_setup(phba, dev_grp);
4459 if (rc)
4460 return -ENODEV;
4461 /* Set up MBOX API function jump table */
4462 rc = lpfc_mbox_api_table_setup(phba, dev_grp);
4463 if (rc)
4464 return -ENODEV;
4465
4466 return 0;
5b75da2f
JS		 4467}
4468
4469/**
3621a710 4470 * lpfc_log_intr_mode - Log the active interrupt mode
5b75da2f
JS		 4471 * @phba: pointer to lpfc hba data structure.
4472 * @intr_mode: active interrupt mode adopted.
4473 *
4474 * This routine it invoked to log the currently used active interrupt mode
4475 * to the device.
3772a991
JS		 4476 **/
4477static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode)
5b75da2f
JS		 4478{
4479 switch (intr_mode) {
4480 case 0:
4481 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4482 "0470 Enable INTx interrupt mode.\n");
4483 break;
4484 case 1:
4485 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4486 "0481 Enabled MSI interrupt mode.\n");
4487 break;
4488 case 2:
4489 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4490 "0480 Enabled MSI-X interrupt mode.\n");
4491 break;
4492 default:
4493 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4494 "0482 Illegal interrupt mode.\n");
4495 break;
4496 }
4497 return;
4498}
4499
5b75da2f 4500/**
3772a991 4501 * lpfc_enable_pci_dev - Enable a generic PCI device.
5b75da2f
JS		 4502 * @phba: pointer to lpfc hba data structure.
4503 *
3772a991
JS		 4504 * This routine is invoked to enable the PCI device that is common to all
4505 * PCI devices.
5b75da2f
JS		 4506 *
4507 * Return codes
af901ca1 4508 * 0 - successful
3772a991 4509 * other values - error
5b75da2f 4510 **/
3772a991
JS		 4511static int
4512lpfc_enable_pci_dev(struct lpfc_hba *phba)
5b75da2f 4513{
3772a991 4514 struct pci_dev *pdev;
079b5c91 4515 int bars = 0;
5b75da2f 4516
3772a991
JS		 4517 /* Obtain PCI device reference */
4518 if (!phba->pcidev)
4519 goto out_error;
4520 else
4521 pdev = phba->pcidev;
4522 /* Select PCI BARs */
4523 bars = pci_select_bars(pdev, IORESOURCE_MEM);
4524 /* Enable PCI device */
4525 if (pci_enable_device_mem(pdev))
4526 goto out_error;
4527 /* Request PCI resource for the device */
4528 if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME))
4529 goto out_disable_device;
4530 /* Set up device as PCI master and save state for EEH */
4531 pci_set_master(pdev);
4532 pci_try_set_mwi(pdev);
4533 pci_save_state(pdev);
5b75da2f 4534
0558056c
JS		 4535 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
4536 if (pci_find_capability(pdev, PCI_CAP_ID_EXP))
4537 pdev->needs_freset = 1;
4538
3772a991 4539 return 0;
5b75da2f 4540
3772a991
JS		 4541out_disable_device:
4542 pci_disable_device(pdev);
4543out_error:
079b5c91
JS		 4544 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4545 "1401 Failed to enable pci device, bars:x%x\n", bars);
3772a991 4546 return -ENODEV;
5b75da2f
JS		 4547}
4548
4549/**
3772a991 4550 * lpfc_disable_pci_dev - Disable a generic PCI device.
5b75da2f
JS		 4551 * @phba: pointer to lpfc hba data structure.
4552 *
3772a991
JS		 4553 * This routine is invoked to disable the PCI device that is common to all
4554 * PCI devices.
5b75da2f
JS		 4555 **/
4556static void
3772a991 4557lpfc_disable_pci_dev(struct lpfc_hba *phba)
5b75da2f 4558{
3772a991
JS		 4559 struct pci_dev *pdev;
4560 int bars;
5b75da2f 4561
3772a991
JS		 4562 /* Obtain PCI device reference */
4563 if (!phba->pcidev)
4564 return;
4565 else
4566 pdev = phba->pcidev;
4567 /* Select PCI BARs */
4568 bars = pci_select_bars(pdev, IORESOURCE_MEM);
4569 /* Release PCI resource and disable PCI device */
4570 pci_release_selected_regions(pdev, bars);
4571 pci_disable_device(pdev);
4572 /* Null out PCI private reference to driver */
4573 pci_set_drvdata(pdev, NULL);
5b75da2f
JS		 4574
4575 return;
4576}
4577
e59058c4 4578/**
3772a991
JS		 4579 * lpfc_reset_hba - Reset a hba
4580 * @phba: pointer to lpfc hba data structure.
e59058c4 4581 *
3772a991
JS		 4582 * This routine is invoked to reset a hba device. It brings the HBA
4583 * offline, performs a board restart, and then brings the board back
4584 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
4585 * on outstanding mailbox commands.
e59058c4 4586 **/
3772a991
JS		 4587void
4588lpfc_reset_hba(struct lpfc_hba *phba)
dea3101e 4589{
3772a991
JS		 4590 /* If resets are disabled then set error state and return. */
4591 if (!phba->cfg_enable_hba_reset) {
4592 phba->link_state = LPFC_HBA_ERROR;
4593 return;
4594 }
618a5230 4595 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
3772a991
JS		 4596 lpfc_offline(phba);
4597 lpfc_sli_brdrestart(phba);
4598 lpfc_online(phba);
4599 lpfc_unblock_mgmt_io(phba);
4600}
dea3101e 4601
0a96e975
JS		 4602/**
4603 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
4604 * @phba: pointer to lpfc hba data structure.
4605 *
4606 * This function enables the PCI SR-IOV virtual functions to a physical
4607 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4608 * enable the number of virtual functions to the physical function. As
4609 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4610 * API call does not considered as an error condition for most of the device.
4611 **/
4612uint16_t
4613lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *phba)
4614{
4615 struct pci_dev *pdev = phba->pcidev;
4616 uint16_t nr_virtfn;
4617 int pos;
4618
0a96e975
JS		 4619 pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
4620 if (pos == 0)
4621 return 0;
4622
4623 pci_read_config_word(pdev, pos + PCI_SRIOV_TOTAL_VF, &nr_virtfn);
4624 return nr_virtfn;
4625}
4626
912e3acd
JS		 4627/**
4628 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
4629 * @phba: pointer to lpfc hba data structure.
4630 * @nr_vfn: number of virtual functions to be enabled.
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 **/
4638int
4639lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn)
4640{
4641 struct pci_dev *pdev = phba->pcidev;
0a96e975 4642 uint16_t max_nr_vfn;
912e3acd
JS		 4643 int rc;
4644
0a96e975
JS		 4645 max_nr_vfn = lpfc_sli_sriov_nr_virtfn_get(phba);
4646 if (nr_vfn > max_nr_vfn) {
4647 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4648 "3057 Requested vfs (%d) greater than "
4649 "supported vfs (%d)", nr_vfn, max_nr_vfn);
4650 return -EINVAL;
4651 }
4652
912e3acd
JS		 4653 rc = pci_enable_sriov(pdev, nr_vfn);
4654 if (rc) {
4655 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4656 "2806 Failed to enable sriov on this device "
4657 "with vfn number nr_vf:%d, rc:%d\n",
4658 nr_vfn, rc);
4659 } else
4660 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4661 "2807 Successful enable sriov on this device "
4662 "with vfn number nr_vf:%d\n", nr_vfn);
4663 return rc;
4664}
4665
3772a991
JS		 4666/**
4667 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
4668 * @phba: pointer to lpfc hba data structure.
4669 *
4670 * This routine is invoked to set up the driver internal resources specific to
4671 * support the SLI-3 HBA device it attached to.
4672 *
4673 * Return codes
af901ca1 4674 * 0 - successful
3772a991
JS		 4675 * other values - error
4676 **/
4677static int
4678lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
4679{
4680 struct lpfc_sli *psli;
912e3acd 4681 int rc;
dea3101e 4682
2e0fef85 4683 /*
3772a991 4684 * Initialize timers used by driver
2e0fef85 4685 */
dea3101e 4686
3772a991 4687 /* Heartbeat timer */
858c9f6c
JS		 4688 init_timer(&phba->hb_tmofunc);
4689 phba->hb_tmofunc.function = lpfc_hb_timeout;
4690 phba->hb_tmofunc.data = (unsigned long)phba;
4691
dea3101e 4692 psli = &phba->sli;
3772a991 4693 /* MBOX heartbeat timer */
dea3101e 4694 init_timer(&psli->mbox_tmo);
4695 psli->mbox_tmo.function = lpfc_mbox_timeout;
2e0fef85 4696 psli->mbox_tmo.data = (unsigned long) phba;
3772a991 4697 /* FCP polling mode timer */
875fbdfe
JSEC		 4698 init_timer(&phba->fcp_poll_timer);
4699 phba->fcp_poll_timer.function = lpfc_poll_timeout;
2e0fef85 4700 phba->fcp_poll_timer.data = (unsigned long) phba;
3772a991 4701 /* Fabric block timer */
92d7f7b0
JS		 4702 init_timer(&phba->fabric_block_timer);
4703 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
4704 phba->fabric_block_timer.data = (unsigned long) phba;
3772a991 4705 /* EA polling mode timer */
9399627f
JS		 4706 init_timer(&phba->eratt_poll);
4707 phba->eratt_poll.function = lpfc_poll_eratt;
4708 phba->eratt_poll.data = (unsigned long) phba;
dea3101e 4709
3772a991
JS		 4710 /* Host attention work mask setup */
4711 phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT);
4712 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
dea3101e 4713
3772a991
JS		 4714 /* Get all the module params for configuring this host */
4715 lpfc_get_cfgparam(phba);
49198b37
JS		 4716 if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) {
4717 phba->menlo_flag |= HBA_MENLO_SUPPORT;
4718 /* check for menlo minimum sg count */
4719 if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT)
4720 phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT;
4721 }
4722
2a76a283
JS		 4723 if (!phba->sli.ring)
4724 phba->sli.ring = (struct lpfc_sli_ring *)
4725 kzalloc(LPFC_SLI3_MAX_RING *
4726 sizeof(struct lpfc_sli_ring), GFP_KERNEL);
4727 if (!phba->sli.ring)
4728 return -ENOMEM;
4729
dea3101e 4730 /*
96f7077f 4731 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
3772a991 4732 * used to create the sg_dma_buf_pool must be dynamically calculated.
dea3101e 4733 */
3772a991 4734
96f7077f
JS		 4735 /* Initialize the host templates the configured values. */
4736 lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4737 lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4738
4739 /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */
3772a991 4740 if (phba->cfg_enable_bg) {
96f7077f
JS		 4741 /*
4742 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
4743 * the FCP rsp, and a BDE for each. Sice we have no control
4744 * over how many protection data segments the SCSI Layer
4745 * will hand us (ie: there could be one for every block
4746 * in the IO), we just allocate enough BDEs to accomidate
4747 * our max amount and we need to limit lpfc_sg_seg_cnt to
4748 * minimize the risk of running out.
4749 */
4750 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
4751 sizeof(struct fcp_rsp) +
4752 (LPFC_MAX_SG_SEG_CNT * sizeof(struct ulp_bde64));
4753
4754 if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SEG_CNT_DIF)
4755 phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT_DIF;
4756
4757 /* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */
4758 phba->cfg_total_seg_cnt = LPFC_MAX_SG_SEG_CNT;
4759 } else {
4760 /*
4761 * The scsi_buf for a regular I/O will hold the FCP cmnd,
4762 * the FCP rsp, a BDE for each, and a BDE for up to
4763 * cfg_sg_seg_cnt data segments.
4764 */
4765 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
4766 sizeof(struct fcp_rsp) +
4767 ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64));
4768
4769 /* Total BDEs in BPL for scsi_sg_list */
4770 phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2;
901a920f 4771 }
dea3101e 4772
96f7077f
JS		 4773 lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP,
4774 "9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n",
4775 phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size,
4776 phba->cfg_total_seg_cnt);
dea3101e 4777
3772a991
JS		 4778 phba->max_vpi = LPFC_MAX_VPI;
4779 /* This will be set to correct value after config_port mbox */
4780 phba->max_vports = 0;
dea3101e 4781
3772a991
JS		 4782 /*
4783 * Initialize the SLI Layer to run with lpfc HBAs.
4784 */
4785 lpfc_sli_setup(phba);
4786 lpfc_sli_queue_setup(phba);
ed957684 4787
3772a991
JS		 4788 /* Allocate device driver memory */
4789 if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ))
4790 return -ENOMEM;
51ef4c26 4791
912e3acd
JS		 4792 /*
4793 * Enable sr-iov virtual functions if supported and configured
4794 * through the module parameter.
4795 */
4796 if (phba->cfg_sriov_nr_virtfn > 0) {
4797 rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
4798 phba->cfg_sriov_nr_virtfn);
4799 if (rc) {
4800 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4801 "2808 Requested number of SR-IOV "
4802 "virtual functions (%d) is not "
4803 "supported\n",
4804 phba->cfg_sriov_nr_virtfn);
4805 phba->cfg_sriov_nr_virtfn = 0;
4806 }
4807 }
4808
3772a991
JS		 4809 return 0;
4810}
ed957684 4811
3772a991
JS		 4812/**
4813 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
4814 * @phba: pointer to lpfc hba data structure.
4815 *
4816 * This routine is invoked to unset the driver internal resources set up
4817 * specific for supporting the SLI-3 HBA device it attached to.
4818 **/
4819static void
4820lpfc_sli_driver_resource_unset(struct lpfc_hba *phba)
4821{
4822 /* Free device driver memory allocated */
4823 lpfc_mem_free_all(phba);
3163f725 4824
3772a991
JS		 4825 return;
4826}
dea3101e 4827
3772a991 4828/**
da0436e9 4829 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
3772a991
JS		 4830 * @phba: pointer to lpfc hba data structure.
4831 *
da0436e9
JS		 4832 * This routine is invoked to set up the driver internal resources specific to
4833 * support the SLI-4 HBA device it attached to.
3772a991
JS		 4834 *
4835 * Return codes
af901ca1 4836 * 0 - successful
da0436e9 4837 * other values - error
3772a991
JS		 4838 **/
4839static int
da0436e9 4840lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
3772a991 4841{
7bb03bbf 4842 struct lpfc_vector_map_info *cpup;
da0436e9 4843 struct lpfc_sli *psli;
28baac74 4844 LPFC_MBOXQ_t *mboxq;
96f7077f 4845 int rc, i, hbq_count, max_buf_size;
28baac74
JS		 4846 uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0};
4847 struct lpfc_mqe *mqe;
09294d46 4848 int longs;
da0436e9
JS		 4849
4850 /* Before proceed, wait for POST done and device ready */
4851 rc = lpfc_sli4_post_status_check(phba);
4852 if (rc)
4853 return -ENODEV;
4854
3772a991 4855 /*
da0436e9 4856 * Initialize timers used by driver
3772a991 4857 */
3772a991 4858
da0436e9
JS		 4859 /* Heartbeat timer */
4860 init_timer(&phba->hb_tmofunc);
4861 phba->hb_tmofunc.function = lpfc_hb_timeout;
4862 phba->hb_tmofunc.data = (unsigned long)phba;
19ca7609
JS		 4863 init_timer(&phba->rrq_tmr);
4864 phba->rrq_tmr.function = lpfc_rrq_timeout;
4865 phba->rrq_tmr.data = (unsigned long)phba;
3772a991 4866
da0436e9
JS		 4867 psli = &phba->sli;
4868 /* MBOX heartbeat timer */
4869 init_timer(&psli->mbox_tmo);
4870 psli->mbox_tmo.function = lpfc_mbox_timeout;
4871 psli->mbox_tmo.data = (unsigned long) phba;
4872 /* Fabric block timer */
4873 init_timer(&phba->fabric_block_timer);
4874 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
4875 phba->fabric_block_timer.data = (unsigned long) phba;
4876 /* EA polling mode timer */
4877 init_timer(&phba->eratt_poll);
4878 phba->eratt_poll.function = lpfc_poll_eratt;
4879 phba->eratt_poll.data = (unsigned long) phba;
ecfd03c6
JS		 4880 /* FCF rediscover timer */
4881 init_timer(&phba->fcf.redisc_wait);
4882 phba->fcf.redisc_wait.function = lpfc_sli4_fcf_redisc_wait_tmo;
4883 phba->fcf.redisc_wait.data = (unsigned long)phba;
4884
7ad20aa9
JS		 4885 /*
4886 * Control structure for handling external multi-buffer mailbox
4887 * command pass-through.
4888 */
4889 memset((uint8_t *)&phba->mbox_ext_buf_ctx, 0,
4890 sizeof(struct lpfc_mbox_ext_buf_ctx));
4891 INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list);
4892
da0436e9
JS		 4893 /*
4894 * We need to do a READ_CONFIG mailbox command here before
4895 * calling lpfc_get_cfgparam. For VFs this will report the
4896 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
4897 * All of the resources allocated
4898 * for this Port are tied to these values.
4899 */
4900 /* Get all the module params for configuring this host */
4901 lpfc_get_cfgparam(phba);
4902 phba->max_vpi = LPFC_MAX_VPI;
67d12733
JS		 4903
4904 /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
4905 phba->cfg_fcp_io_channel = phba->cfg_fcp_eq_count;
4906
da0436e9
JS		 4907 /* This will be set to correct value after the read_config mbox */
4908 phba->max_vports = 0;
3772a991 4909
da0436e9
JS		 4910 /* Program the default value of vlan_id and fc_map */
4911 phba->valid_vlan = 0;
4912 phba->fc_map[0] = LPFC_FCOE_FCF_MAP0;
4913 phba->fc_map[1] = LPFC_FCOE_FCF_MAP1;
4914 phba->fc_map[2] = LPFC_FCOE_FCF_MAP2;
3772a991 4915
2a76a283
JS		 4916 /*
4917 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
4918 * we will associate a new ring, for each FCP fastpath EQ/CQ/WQ tuple.
4919 */
4920 if (!phba->sli.ring)
4921 phba->sli.ring = kzalloc(
67d12733 4922 (LPFC_SLI3_MAX_RING + phba->cfg_fcp_io_channel) *
2a76a283
JS		 4923 sizeof(struct lpfc_sli_ring), GFP_KERNEL);
4924 if (!phba->sli.ring)
4925 return -ENOMEM;
09294d46 4926
da0436e9 4927 /*
09294d46
JS		 4928 * It doesn't matter what family our adapter is in, we are
4929 * limited to 2 Pages, 512 SGEs, for our SGL.
4930 * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp
4931 */
4932 max_buf_size = (2 * SLI4_PAGE_SIZE);
4933 if (phba->cfg_sg_seg_cnt > LPFC_MAX_SGL_SEG_CNT - 2)
4934 phba->cfg_sg_seg_cnt = LPFC_MAX_SGL_SEG_CNT - 2;
09294d46 4935
da0436e9 4936 /*
96f7077f 4937 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
da0436e9 4938 * used to create the sg_dma_buf_pool must be dynamically calculated.
da0436e9 4939 */
96f7077f
JS		 4940
4941 if (phba->cfg_enable_bg) {
4942 /*
4943 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
4944 * the FCP rsp, and a SGE for each. Sice we have no control
4945 * over how many protection data segments the SCSI Layer
4946 * will hand us (ie: there could be one for every block
4947 * in the IO), we just allocate enough SGEs to accomidate
4948 * our max amount and we need to limit lpfc_sg_seg_cnt to
4949 * minimize the risk of running out.
4950 */
4951 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
4952 sizeof(struct fcp_rsp) + max_buf_size;
4953
4954 /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */
4955 phba->cfg_total_seg_cnt = LPFC_MAX_SGL_SEG_CNT;
4956
4957 if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SLI4_SEG_CNT_DIF)
4958 phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SLI4_SEG_CNT_DIF;
4959 } else {
4960 /*
4961 * The scsi_buf for a regular I/O will hold the FCP cmnd,
4962 * the FCP rsp, a SGE for each, and a SGE for up to
4963 * cfg_sg_seg_cnt data segments.
4964 */
4965 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
4966 sizeof(struct fcp_rsp) +
4967 ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge));
4968
4969 /* Total SGEs for scsi_sg_list */
4970 phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2;
4971 /*
4972 * NOTE: if (phba->cfg_sg_seg_cnt + 2) <= 256 we only need
4973 * to post 1 page for the SGL.
4974 */
085c647c 4975 }
acd6859b 4976
96f7077f
JS		 4977 /* Initialize the host templates with the updated values. */
4978 lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4979 lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4980
4981 if (phba->cfg_sg_dma_buf_size <= LPFC_MIN_SG_SLI4_BUF_SZ)
4982 phba->cfg_sg_dma_buf_size = LPFC_MIN_SG_SLI4_BUF_SZ;
4983 else
4984 phba->cfg_sg_dma_buf_size =
4985 SLI4_PAGE_ALIGN(phba->cfg_sg_dma_buf_size);
4986
4987 lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP,
4988 "9087 sg_tablesize:%d dmabuf_size:%d total_sge:%d\n",
4989 phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size,
4990 phba->cfg_total_seg_cnt);
3772a991 4991
da0436e9
JS		 4992 /* Initialize buffer queue management fields */
4993 hbq_count = lpfc_sli_hbq_count();
4994 for (i = 0; i < hbq_count; ++i)
4995 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
4996 INIT_LIST_HEAD(&phba->rb_pend_list);
4997 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc;
4998 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free;
3772a991 4999
da0436e9
JS		 5000 /*
5001 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
5002 */
5003 /* Initialize the Abort scsi buffer list used by driver */
5004 spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock);
5005 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
5006 /* This abort list used by worker thread */
5007 spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock);
3772a991 5008
da0436e9 5009 /*
6d368e53 5010 * Initialize driver internal slow-path work queues
da0436e9 5011 */
3772a991 5012
da0436e9
JS		 5013 /* Driver internel slow-path CQ Event pool */
5014 INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool);
5015 /* Response IOCB work queue list */
45ed1190 5016 INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event);
da0436e9
JS		 5017 /* Asynchronous event CQ Event work queue list */
5018 INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue);
5019 /* Fast-path XRI aborted CQ Event work queue list */
5020 INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue);
5021 /* Slow-path XRI aborted CQ Event work queue list */
5022 INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue);
5023 /* Receive queue CQ Event work queue list */
5024 INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue);
5025
6d368e53
JS		 5026 /* Initialize extent block lists. */
5027 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_blk_list);
5028 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_xri_blk_list);
5029 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_vfi_blk_list);
5030 INIT_LIST_HEAD(&phba->lpfc_vpi_blk_list);
5031
da0436e9
JS		 5032 /* Initialize the driver internal SLI layer lists. */
5033 lpfc_sli_setup(phba);
5034 lpfc_sli_queue_setup(phba);
3772a991 5035
da0436e9
JS		 5036 /* Allocate device driver memory */
5037 rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ);
5038 if (rc)
5039 return -ENOMEM;
5040
2fcee4bf
JS		 5041 /* IF Type 2 ports get initialized now. */
5042 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
5043 LPFC_SLI_INTF_IF_TYPE_2) {
5044 rc = lpfc_pci_function_reset(phba);
5045 if (unlikely(rc))
5046 return -ENODEV;
5047 }
5048
da0436e9
JS		 5049 /* Create the bootstrap mailbox command */
5050 rc = lpfc_create_bootstrap_mbox(phba);
5051 if (unlikely(rc))
5052 goto out_free_mem;
5053
5054 /* Set up the host's endian order with the device. */
5055 rc = lpfc_setup_endian_order(phba);
5056 if (unlikely(rc))
5057 goto out_free_bsmbx;
5058
5059 /* Set up the hba's configuration parameters. */
5060 rc = lpfc_sli4_read_config(phba);
5061 if (unlikely(rc))
5062 goto out_free_bsmbx;
5063
2fcee4bf
JS		 5064 /* IF Type 0 ports get initialized now. */
5065 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
5066 LPFC_SLI_INTF_IF_TYPE_0) {
5067 rc = lpfc_pci_function_reset(phba);
5068 if (unlikely(rc))
5069 goto out_free_bsmbx;
5070 }
da0436e9 5071
cb5172ea
JS		 5072 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
5073 GFP_KERNEL);
5074 if (!mboxq) {
5075 rc = -ENOMEM;
5076 goto out_free_bsmbx;
5077 }
5078
fedd3b7b 5079 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
cb5172ea
JS		 5080 lpfc_supported_pages(mboxq);
5081 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
fedd3b7b
JS		 5082 if (!rc) {
5083 mqe = &mboxq->u.mqe;
5084 memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3),
5085 LPFC_MAX_SUPPORTED_PAGES);
5086 for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) {
5087 switch (pn_page[i]) {
5088 case LPFC_SLI4_PARAMETERS:
5089 phba->sli4_hba.pc_sli4_params.supported = 1;
5090 break;
5091 default:
5092 break;
5093 }
5094 }
5095 /* Read the port's SLI4 Parameters capabilities if supported. */
5096 if (phba->sli4_hba.pc_sli4_params.supported)
5097 rc = lpfc_pc_sli4_params_get(phba, mboxq);
5098 if (rc) {
5099 mempool_free(mboxq, phba->mbox_mem_pool);
5100 rc = -EIO;
5101 goto out_free_bsmbx;
cb5172ea
JS		 5102 }
5103 }
fedd3b7b
JS		 5104 /*
5105 * Get sli4 parameters that override parameters from Port capabilities.
6d368e53
JS		 5106 * If this call fails, it isn't critical unless the SLI4 parameters come
5107 * back in conflict.
fedd3b7b 5108 */
6d368e53
JS		 5109 rc = lpfc_get_sli4_parameters(phba, mboxq);
5110 if (rc) {
5111 if (phba->sli4_hba.extents_in_use &&
5112 phba->sli4_hba.rpi_hdrs_in_use) {
5113 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5114 "2999 Unsupported SLI4 Parameters "
5115 "Extents and RPI headers enabled.\n");
5116 goto out_free_bsmbx;
5117 }
5118 }
cb5172ea 5119 mempool_free(mboxq, phba->mbox_mem_pool);
5350d872
JS		 5120 /* Verify all the SLI4 queues */
5121 rc = lpfc_sli4_queue_verify(phba);
da0436e9
JS		 5122 if (rc)
5123 goto out_free_bsmbx;
5124
5125 /* Create driver internal CQE event pool */
5126 rc = lpfc_sli4_cq_event_pool_create(phba);
5127 if (rc)
5350d872 5128 goto out_free_bsmbx;
da0436e9 5129
8a9d2e80
JS		 5130 /* Initialize sgl lists per host */
5131 lpfc_init_sgl_list(phba);
5132
5133 /* Allocate and initialize active sgl array */
da0436e9
JS		 5134 rc = lpfc_init_active_sgl_array(phba);
5135 if (rc) {
5136 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5137 "1430 Failed to initialize sgl list.\n");
8a9d2e80 5138 goto out_destroy_cq_event_pool;
da0436e9 5139 }
da0436e9
JS		 5140 rc = lpfc_sli4_init_rpi_hdrs(phba);
5141 if (rc) {
5142 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5143 "1432 Failed to initialize rpi headers.\n");
5144 goto out_free_active_sgl;
5145 }
5146
a93ff37a 5147 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
0c9ab6f5
JS		 5148 longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG;
5149 phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long),
5150 GFP_KERNEL);
5151 if (!phba->fcf.fcf_rr_bmask) {
5152 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5153 "2759 Failed allocate memory for FCF round "
5154 "robin failover bmask\n");
0558056c 5155 rc = -ENOMEM;
0c9ab6f5
JS		 5156 goto out_remove_rpi_hdrs;
5157 }
5158
67d12733
JS		 5159 phba->sli4_hba.fcp_eq_hdl =
5160 kzalloc((sizeof(struct lpfc_fcp_eq_hdl) *
5161 phba->cfg_fcp_io_channel), GFP_KERNEL);
5162 if (!phba->sli4_hba.fcp_eq_hdl) {
5163 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5164 "2572 Failed allocate memory for "
5165 "fast-path per-EQ handle array\n");
5166 rc = -ENOMEM;
5167 goto out_free_fcf_rr_bmask;
da0436e9
JS		 5168 }
5169
5170 phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) *
82c3e9ba 5171 phba->cfg_fcp_io_channel), GFP_KERNEL);
da0436e9
JS		 5172 if (!phba->sli4_hba.msix_entries) {
5173 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5174 "2573 Failed allocate memory for msi-x "
5175 "interrupt vector entries\n");
0558056c 5176 rc = -ENOMEM;
da0436e9
JS		 5177 goto out_free_fcp_eq_hdl;
5178 }
5179
7bb03bbf
JS		 5180 phba->sli4_hba.cpu_map = kzalloc((sizeof(struct lpfc_vector_map_info) *
5181 phba->sli4_hba.num_present_cpu),
5182 GFP_KERNEL);
5183 if (!phba->sli4_hba.cpu_map) {
5184 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5185 "3327 Failed allocate memory for msi-x "
5186 "interrupt vector mapping\n");
5187 rc = -ENOMEM;
5188 goto out_free_msix;
5189 }
b246de17
JS		 5190 if (lpfc_used_cpu == NULL) {
5191 lpfc_used_cpu = kzalloc((sizeof(uint16_t) * lpfc_present_cpu),
5192 GFP_KERNEL);
5193 if (!lpfc_used_cpu) {
5194 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5195 "3335 Failed allocate memory for msi-x "
5196 "interrupt vector mapping\n");
5197 kfree(phba->sli4_hba.cpu_map);
5198 rc = -ENOMEM;
5199 goto out_free_msix;
5200 }
5201 for (i = 0; i < lpfc_present_cpu; i++)
5202 lpfc_used_cpu[i] = LPFC_VECTOR_MAP_EMPTY;
5203 }
5204
7bb03bbf
JS		 5205 /* Initialize io channels for round robin */
5206 cpup = phba->sli4_hba.cpu_map;
5207 rc = 0;
5208 for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
5209 cpup->channel_id = rc;
5210 rc++;
5211 if (rc >= phba->cfg_fcp_io_channel)
5212 rc = 0;
5213 }
5214
912e3acd
JS		 5215 /*
5216 * Enable sr-iov virtual functions if supported and configured
5217 * through the module parameter.
5218 */
5219 if (phba->cfg_sriov_nr_virtfn > 0) {
5220 rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
5221 phba->cfg_sriov_nr_virtfn);
5222 if (rc) {
5223 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
5224 "3020 Requested number of SR-IOV "
5225 "virtual functions (%d) is not "
5226 "supported\n",
5227 phba->cfg_sriov_nr_virtfn);
5228 phba->cfg_sriov_nr_virtfn = 0;
5229 }
5230 }
5231
5248a749 5232 return 0;
da0436e9 5233
7bb03bbf
JS		 5234out_free_msix:
5235 kfree(phba->sli4_hba.msix_entries);
da0436e9
JS		 5236out_free_fcp_eq_hdl:
5237 kfree(phba->sli4_hba.fcp_eq_hdl);
0c9ab6f5
JS		 5238out_free_fcf_rr_bmask:
5239 kfree(phba->fcf.fcf_rr_bmask);
da0436e9
JS		 5240out_remove_rpi_hdrs:
5241 lpfc_sli4_remove_rpi_hdrs(phba);
5242out_free_active_sgl:
5243 lpfc_free_active_sgl(phba);
da0436e9
JS		 5244out_destroy_cq_event_pool:
5245 lpfc_sli4_cq_event_pool_destroy(phba);
da0436e9
JS		 5246out_free_bsmbx:
5247 lpfc_destroy_bootstrap_mbox(phba);
5248out_free_mem:
5249 lpfc_mem_free(phba);
5250 return rc;
5251}
5252
5253/**
5254 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
5255 * @phba: pointer to lpfc hba data structure.
5256 *
5257 * This routine is invoked to unset the driver internal resources set up
5258 * specific for supporting the SLI-4 HBA device it attached to.
5259 **/
5260static void
5261lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba)
5262{
5263 struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry;
5264
7bb03bbf
JS		 5265 /* Free memory allocated for msi-x interrupt vector to CPU mapping */
5266 kfree(phba->sli4_hba.cpu_map);
5267 phba->sli4_hba.num_present_cpu = 0;
5268 phba->sli4_hba.num_online_cpu = 0;
5269
da0436e9
JS		 5270 /* Free memory allocated for msi-x interrupt vector entries */
5271 kfree(phba->sli4_hba.msix_entries);
5272
5273 /* Free memory allocated for fast-path work queue handles */
5274 kfree(phba->sli4_hba.fcp_eq_hdl);
5275
5276 /* Free the allocated rpi headers. */
5277 lpfc_sli4_remove_rpi_hdrs(phba);
d11e31dd 5278 lpfc_sli4_remove_rpis(phba);
da0436e9 5279
0c9ab6f5
JS		 5280 /* Free eligible FCF index bmask */
5281 kfree(phba->fcf.fcf_rr_bmask);
5282
da0436e9
JS		 5283 /* Free the ELS sgl list */
5284 lpfc_free_active_sgl(phba);
8a9d2e80 5285 lpfc_free_els_sgl_list(phba);
da0436e9 5286
da0436e9
JS		 5287 /* Free the completion queue EQ event pool */
5288 lpfc_sli4_cq_event_release_all(phba);
5289 lpfc_sli4_cq_event_pool_destroy(phba);
5290
6d368e53
JS		 5291 /* Release resource identifiers. */
5292 lpfc_sli4_dealloc_resource_identifiers(phba);
5293
da0436e9
JS		 5294 /* Free the bsmbx region. */
5295 lpfc_destroy_bootstrap_mbox(phba);
5296
5297 /* Free the SLI Layer memory with SLI4 HBAs */
5298 lpfc_mem_free_all(phba);
5299
5300 /* Free the current connect table */
5301 list_for_each_entry_safe(conn_entry, next_conn_entry,
4d9ab994
JS		 5302 &phba->fcf_conn_rec_list, list) {
5303 list_del_init(&conn_entry->list);
da0436e9 5304 kfree(conn_entry);
4d9ab994 5305 }
da0436e9
JS		 5306
5307 return;
5308}
5309
5310/**
25985edc 5311 * lpfc_init_api_table_setup - Set up init api function jump table
da0436e9
JS		 5312 * @phba: The hba struct for which this call is being executed.
5313 * @dev_grp: The HBA PCI-Device group number.
5314 *
5315 * This routine sets up the device INIT interface API function jump table
5316 * in @phba struct.
5317 *
5318 * Returns: 0 - success, -ENODEV - failure.
5319 **/
5320int
5321lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
5322{
84d1b006
JS		 5323 phba->lpfc_hba_init_link = lpfc_hba_init_link;
5324 phba->lpfc_hba_down_link = lpfc_hba_down_link;
7f86059a 5325 phba->lpfc_selective_reset = lpfc_selective_reset;
da0436e9
JS		 5326 switch (dev_grp) {
5327 case LPFC_PCI_DEV_LP:
5328 phba->lpfc_hba_down_post = lpfc_hba_down_post_s3;
5329 phba->lpfc_handle_eratt = lpfc_handle_eratt_s3;
5330 phba->lpfc_stop_port = lpfc_stop_port_s3;
5331 break;
5332 case LPFC_PCI_DEV_OC:
5333 phba->lpfc_hba_down_post = lpfc_hba_down_post_s4;
5334 phba->lpfc_handle_eratt = lpfc_handle_eratt_s4;
5335 phba->lpfc_stop_port = lpfc_stop_port_s4;
5336 break;
5337 default:
5338 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5339 "1431 Invalid HBA PCI-device group: 0x%x\n",
5340 dev_grp);
5341 return -ENODEV;
5342 break;
5343 }
5344 return 0;
5345}
5346
5347/**
5348 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
5349 * @phba: pointer to lpfc hba data structure.
5350 *
5351 * This routine is invoked to set up the driver internal resources before the
5352 * device specific resource setup to support the HBA device it attached to.
5353 *
5354 * Return codes
af901ca1 5355 * 0 - successful
da0436e9
JS		 5356 * other values - error
5357 **/
5358static int
5359lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba)
5360{
5361 /*
5362 * Driver resources common to all SLI revisions
5363 */
5364 atomic_set(&phba->fast_event_count, 0);
5365 spin_lock_init(&phba->hbalock);
5366
5367 /* Initialize ndlp management spinlock */
5368 spin_lock_init(&phba->ndlp_lock);
5369
5370 INIT_LIST_HEAD(&phba->port_list);
5371 INIT_LIST_HEAD(&phba->work_list);
5372 init_waitqueue_head(&phba->wait_4_mlo_m_q);
5373
5374 /* Initialize the wait queue head for the kernel thread */
5375 init_waitqueue_head(&phba->work_waitq);
5376
5377 /* Initialize the scsi buffer list used by driver for scsi IO */
a40fc5f0
JS		 5378 spin_lock_init(&phba->scsi_buf_list_get_lock);
5379 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get);
5380 spin_lock_init(&phba->scsi_buf_list_put_lock);
5381 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put);
da0436e9
JS		 5382
5383 /* Initialize the fabric iocb list */
5384 INIT_LIST_HEAD(&phba->fabric_iocb_list);
5385
5386 /* Initialize list to save ELS buffers */
5387 INIT_LIST_HEAD(&phba->elsbuf);
5388
5389 /* Initialize FCF connection rec list */
5390 INIT_LIST_HEAD(&phba->fcf_conn_rec_list);
5391
5392 return 0;
5393}
5394
5395/**
5396 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
5397 * @phba: pointer to lpfc hba data structure.
5398 *
5399 * This routine is invoked to set up the driver internal resources after the
5400 * device specific resource setup to support the HBA device it attached to.
5401 *
5402 * Return codes
af901ca1 5403 * 0 - successful
da0436e9
JS		 5404 * other values - error
5405 **/
5406static int
5407lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba)
5408{
5409 int error;
5410
5411 /* Startup the kernel thread for this host adapter. */
5412 phba->worker_thread = kthread_run(lpfc_do_work, phba,
5413 "lpfc_worker_%d", phba->brd_no);
5414 if (IS_ERR(phba->worker_thread)) {
5415 error = PTR_ERR(phba->worker_thread);
5416 return error;
3772a991
JS		 5417 }
5418
5419 return 0;
5420}
5421
5422/**
5423 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
5424 * @phba: pointer to lpfc hba data structure.
5425 *
5426 * This routine is invoked to unset the driver internal resources set up after
5427 * the device specific resource setup for supporting the HBA device it
5428 * attached to.
5429 **/
5430static void
5431lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba)
5432{
5433 /* Stop kernel worker thread */
5434 kthread_stop(phba->worker_thread);
5435}
5436
5437/**
5438 * lpfc_free_iocb_list - Free iocb list.
5439 * @phba: pointer to lpfc hba data structure.
5440 *
5441 * This routine is invoked to free the driver's IOCB list and memory.
5442 **/
5443static void
5444lpfc_free_iocb_list(struct lpfc_hba *phba)
5445{
5446 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
5447
5448 spin_lock_irq(&phba->hbalock);
5449 list_for_each_entry_safe(iocbq_entry, iocbq_next,
5450 &phba->lpfc_iocb_list, list) {
5451 list_del(&iocbq_entry->list);
5452 kfree(iocbq_entry);
5453 phba->total_iocbq_bufs--;
98c9ea5c 5454 }
3772a991
JS		 5455 spin_unlock_irq(&phba->hbalock);
5456
5457 return;
5458}
5459
5460/**
5461 * lpfc_init_iocb_list - Allocate and initialize iocb list.
5462 * @phba: pointer to lpfc hba data structure.
5463 *
5464 * This routine is invoked to allocate and initizlize the driver's IOCB
5465 * list and set up the IOCB tag array accordingly.
5466 *
5467 * Return codes
af901ca1 5468 * 0 - successful
3772a991
JS		 5469 * other values - error
5470 **/
5471static int
5472lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count)
5473{
5474 struct lpfc_iocbq *iocbq_entry = NULL;
5475 uint16_t iotag;
5476 int i;
dea3101e 5477
5478 /* Initialize and populate the iocb list per host. */
5479 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
3772a991 5480 for (i = 0; i < iocb_count; i++) {
dd00cc48 5481 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
dea3101e 5482 if (iocbq_entry == NULL) {
5483 printk(KERN_ERR "%s: only allocated %d iocbs of "
5484 "expected %d count. Unloading driver.\n",
cadbd4a5 5485 __func__, i, LPFC_IOCB_LIST_CNT);
dea3101e 5486 goto out_free_iocbq;
5487 }
5488
604a3e30
JB		 5489 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
5490 if (iotag == 0) {
3772a991 5491 kfree(iocbq_entry);
604a3e30 5492 printk(KERN_ERR "%s: failed to allocate IOTAG. "
3772a991 5493 "Unloading driver.\n", __func__);
604a3e30
JB		 5494 goto out_free_iocbq;
5495 }
6d368e53 5496 iocbq_entry->sli4_lxritag = NO_XRI;
3772a991 5497 iocbq_entry->sli4_xritag = NO_XRI;
2e0fef85
JS		 5498
5499 spin_lock_irq(&phba->hbalock);
dea3101e 5500 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
5501 phba->total_iocbq_bufs++;
2e0fef85 5502 spin_unlock_irq(&phba->hbalock);
dea3101e 5503 }
5504
3772a991 5505 return 0;
dea3101e 5506
3772a991
JS		 5507out_free_iocbq:
5508 lpfc_free_iocb_list(phba);
dea3101e 5509
3772a991
JS		 5510 return -ENOMEM;
5511}
5e9d9b82 5512
3772a991 5513/**
8a9d2e80 5514 * lpfc_free_sgl_list - Free a given sgl list.
da0436e9 5515 * @phba: pointer to lpfc hba data structure.
8a9d2e80 5516 * @sglq_list: pointer to the head of sgl list.
3772a991 5517 *
8a9d2e80 5518 * This routine is invoked to free a give sgl list and memory.
3772a991 5519 **/
8a9d2e80
JS		 5520void
5521lpfc_free_sgl_list(struct lpfc_hba *phba, struct list_head *sglq_list)
3772a991 5522{
da0436e9 5523 struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
8a9d2e80
JS		 5524
5525 list_for_each_entry_safe(sglq_entry, sglq_next, sglq_list, list) {
5526 list_del(&sglq_entry->list);
5527 lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys);
5528 kfree(sglq_entry);
5529 }
5530}
5531
5532/**
5533 * lpfc_free_els_sgl_list - Free els sgl list.
5534 * @phba: pointer to lpfc hba data structure.
5535 *
5536 * This routine is invoked to free the driver's els sgl list and memory.
5537 **/
5538static void
5539lpfc_free_els_sgl_list(struct lpfc_hba *phba)
5540{
da0436e9 5541 LIST_HEAD(sglq_list);
dea3101e 5542
8a9d2e80 5543 /* Retrieve all els sgls from driver list */
da0436e9
JS		 5544 spin_lock_irq(&phba->hbalock);
5545 list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list);
5546 spin_unlock_irq(&phba->hbalock);
dea3101e 5547
8a9d2e80
JS		 5548 /* Now free the sgl list */
5549 lpfc_free_sgl_list(phba, &sglq_list);
da0436e9 5550}
92d7f7b0 5551
da0436e9
JS		 5552/**
5553 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
5554 * @phba: pointer to lpfc hba data structure.
5555 *
5556 * This routine is invoked to allocate the driver's active sgl memory.
5557 * This array will hold the sglq_entry's for active IOs.
5558 **/
5559static int
5560lpfc_init_active_sgl_array(struct lpfc_hba *phba)
5561{
5562 int size;
5563 size = sizeof(struct lpfc_sglq *);
5564 size *= phba->sli4_hba.max_cfg_param.max_xri;
5565
5566 phba->sli4_hba.lpfc_sglq_active_list =
5567 kzalloc(size, GFP_KERNEL);
5568 if (!phba->sli4_hba.lpfc_sglq_active_list)
5569 return -ENOMEM;
5570 return 0;
3772a991
JS		 5571}
5572
5573/**
da0436e9 5574 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
3772a991
JS		 5575 * @phba: pointer to lpfc hba data structure.
5576 *
da0436e9
JS		 5577 * This routine is invoked to walk through the array of active sglq entries
5578 * and free all of the resources.
5579 * This is just a place holder for now.
3772a991
JS		 5580 **/
5581static void
da0436e9 5582lpfc_free_active_sgl(struct lpfc_hba *phba)
3772a991 5583{
da0436e9 5584 kfree(phba->sli4_hba.lpfc_sglq_active_list);
3772a991
JS		 5585}
5586
5587/**
da0436e9 5588 * lpfc_init_sgl_list - Allocate and initialize sgl list.
3772a991
JS		 5589 * @phba: pointer to lpfc hba data structure.
5590 *
da0436e9
JS		 5591 * This routine is invoked to allocate and initizlize the driver's sgl
5592 * list and set up the sgl xritag tag array accordingly.
3772a991 5593 *
3772a991 5594 **/
8a9d2e80 5595static void
da0436e9 5596lpfc_init_sgl_list(struct lpfc_hba *phba)
3772a991 5597{
da0436e9
JS		 5598 /* Initialize and populate the sglq list per host/VF. */
5599 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list);
5600 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list);
5601
8a9d2e80
JS		 5602 /* els xri-sgl book keeping */
5603 phba->sli4_hba.els_xri_cnt = 0;
0ff10d46 5604
8a9d2e80 5605 /* scsi xri-buffer book keeping */
da0436e9 5606 phba->sli4_hba.scsi_xri_cnt = 0;
da0436e9
JS		 5607}
5608
5609/**
5610 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
5611 * @phba: pointer to lpfc hba data structure.
5612 *
5613 * This routine is invoked to post rpi header templates to the
88a2cfbb 5614 * port for those SLI4 ports that do not support extents. This routine
da0436e9 5615 * posts a PAGE_SIZE memory region to the port to hold up to
88a2cfbb
JS		 5616 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
5617 * and should be called only when interrupts are disabled.
da0436e9
JS		 5618 *
5619 * Return codes
af901ca1 5620 * 0 - successful
88a2cfbb 5621 * -ERROR - otherwise.
da0436e9
JS		 5622 **/
5623int
5624lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba)
5625{
5626 int rc = 0;
da0436e9
JS		 5627 struct lpfc_rpi_hdr *rpi_hdr;
5628
5629 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list);
ff78d8f9 5630 if (!phba->sli4_hba.rpi_hdrs_in_use)
6d368e53 5631 return rc;
6d368e53
JS		 5632 if (phba->sli4_hba.extents_in_use)
5633 return -EIO;
da0436e9
JS		 5634
5635 rpi_hdr = lpfc_sli4_create_rpi_hdr(phba);
5636 if (!rpi_hdr) {
5637 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
5638 "0391 Error during rpi post operation\n");
5639 lpfc_sli4_remove_rpis(phba);
5640 rc = -ENODEV;
5641 }
5642
5643 return rc;
5644}
5645
5646/**
5647 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
5648 * @phba: pointer to lpfc hba data structure.
5649 *
5650 * This routine is invoked to allocate a single 4KB memory region to
5651 * support rpis and stores them in the phba. This single region
5652 * provides support for up to 64 rpis. The region is used globally
5653 * by the device.
5654 *
5655 * Returns:
5656 * A valid rpi hdr on success.
5657 * A NULL pointer on any failure.
5658 **/
5659struct lpfc_rpi_hdr *
5660lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
5661{
5662 uint16_t rpi_limit, curr_rpi_range;
5663 struct lpfc_dmabuf *dmabuf;
5664 struct lpfc_rpi_hdr *rpi_hdr;
9589b062 5665 uint32_t rpi_count;
da0436e9 5666
6d368e53
JS		 5667 /*
5668 * If the SLI4 port supports extents, posting the rpi header isn't
5669 * required. Set the expected maximum count and let the actual value
5670 * get set when extents are fully allocated.
5671 */
5672 if (!phba->sli4_hba.rpi_hdrs_in_use)
5673 return NULL;
5674 if (phba->sli4_hba.extents_in_use)
5675 return NULL;
5676
5677 /* The limit on the logical index is just the max_rpi count. */
da0436e9 5678 rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base +
6d368e53 5679 phba->sli4_hba.max_cfg_param.max_rpi - 1;
da0436e9
JS		 5680
5681 spin_lock_irq(&phba->hbalock);
6d368e53
JS		 5682 /*
5683 * Establish the starting RPI in this header block. The starting
5684 * rpi is normalized to a zero base because the physical rpi is
5685 * port based.
5686 */
97f2ecf1 5687 curr_rpi_range = phba->sli4_hba.next_rpi;
da0436e9
JS		 5688 spin_unlock_irq(&phba->hbalock);
5689
5690 /*
5691 * The port has a limited number of rpis. The increment here
5692 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
5693 * and to allow the full max_rpi range per port.
5694 */
5695 if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit)
9589b062
JS		 5696 rpi_count = rpi_limit - curr_rpi_range;
5697 else
5698 rpi_count = LPFC_RPI_HDR_COUNT;
da0436e9 5699
6d368e53
JS		 5700 if (!rpi_count)
5701 return NULL;
da0436e9
JS		 5702 /*
5703 * First allocate the protocol header region for the port. The
5704 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
5705 */
5706 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
5707 if (!dmabuf)
5708 return NULL;
5709
5710 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
5711 LPFC_HDR_TEMPLATE_SIZE,
5712 &dmabuf->phys,
5713 GFP_KERNEL);
5714 if (!dmabuf->virt) {
5715 rpi_hdr = NULL;
5716 goto err_free_dmabuf;
5717 }
5718
5719 memset(dmabuf->virt, 0, LPFC_HDR_TEMPLATE_SIZE);
5720 if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) {
5721 rpi_hdr = NULL;
5722 goto err_free_coherent;
5723 }
5724
5725 /* Save the rpi header data for cleanup later. */
5726 rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL);
5727 if (!rpi_hdr)
5728 goto err_free_coherent;
5729
5730 rpi_hdr->dmabuf = dmabuf;
5731 rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE;
5732 rpi_hdr->page_count = 1;
5733 spin_lock_irq(&phba->hbalock);
6d368e53
JS		 5734
5735 /* The rpi_hdr stores the logical index only. */
5736 rpi_hdr->start_rpi = curr_rpi_range;
da0436e9
JS		 5737 list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list);
5738
5739 /*
6d368e53
JS		 5740 * The next_rpi stores the next logical module-64 rpi value used
5741 * to post physical rpis in subsequent rpi postings.
da0436e9 5742 */
9589b062 5743 phba->sli4_hba.next_rpi += rpi_count;
da0436e9
JS		 5744 spin_unlock_irq(&phba->hbalock);
5745 return rpi_hdr;
5746
5747 err_free_coherent:
5748 dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE,
5749 dmabuf->virt, dmabuf->phys);
5750 err_free_dmabuf:
5751 kfree(dmabuf);
5752 return NULL;
5753}
5754
5755/**
5756 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
5757 * @phba: pointer to lpfc hba data structure.
5758 *
5759 * This routine is invoked to remove all memory resources allocated
6d368e53
JS		 5760 * to support rpis for SLI4 ports not supporting extents. This routine
5761 * presumes the caller has released all rpis consumed by fabric or port
5762 * logins and is prepared to have the header pages removed.
da0436e9
JS		 5763 **/
5764void
5765lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba)
5766{
5767 struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr;
5768
6d368e53
JS		 5769 if (!phba->sli4_hba.rpi_hdrs_in_use)
5770 goto exit;
5771
da0436e9
JS		 5772 list_for_each_entry_safe(rpi_hdr, next_rpi_hdr,
5773 &phba->sli4_hba.lpfc_rpi_hdr_list, list) {
5774 list_del(&rpi_hdr->list);
5775 dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len,
5776 rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys);
5777 kfree(rpi_hdr->dmabuf);
5778 kfree(rpi_hdr);
5779 }
6d368e53
JS		 5780 exit:
5781 /* There are no rpis available to the port now. */
5782 phba->sli4_hba.next_rpi = 0;
da0436e9
JS		 5783}
5784
5785/**
5786 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
5787 * @pdev: pointer to pci device data structure.
5788 *
5789 * This routine is invoked to allocate the driver hba data structure for an
5790 * HBA device. If the allocation is successful, the phba reference to the
5791 * PCI device data structure is set.
5792 *
5793 * Return codes
af901ca1 5794 * pointer to @phba - successful
da0436e9
JS		 5795 * NULL - error
5796 **/
5797static struct lpfc_hba *
5798lpfc_hba_alloc(struct pci_dev *pdev)
5799{
5800 struct lpfc_hba *phba;
5801
5802 /* Allocate memory for HBA structure */
5803 phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL);
5804 if (!phba) {
e34ccdfe 5805 dev_err(&pdev->dev, "failed to allocate hba struct\n");
da0436e9
JS		 5806 return NULL;
5807 }
5808
5809 /* Set reference to PCI device in HBA structure */
5810 phba->pcidev = pdev;
5811
5812 /* Assign an unused board number */
5813 phba->brd_no = lpfc_get_instance();
5814 if (phba->brd_no < 0) {
5815 kfree(phba);
5816 return NULL;
5817 }
5818
4fede78f 5819 spin_lock_init(&phba->ct_ev_lock);
f1c3b0fc
JS		 5820 INIT_LIST_HEAD(&phba->ct_ev_waiters);
5821
da0436e9
JS		 5822 return phba;
5823}
5824
5825/**
5826 * lpfc_hba_free - Free driver hba data structure with a device.
5827 * @phba: pointer to lpfc hba data structure.
5828 *
5829 * This routine is invoked to free the driver hba data structure with an
5830 * HBA device.
5831 **/
5832static void
5833lpfc_hba_free(struct lpfc_hba *phba)
5834{
5835 /* Release the driver assigned board number */
5836 idr_remove(&lpfc_hba_index, phba->brd_no);
5837
2a76a283
JS		 5838 /* Free memory allocated with sli rings */
5839 kfree(phba->sli.ring);
5840 phba->sli.ring = NULL;
5841
da0436e9
JS		 5842 kfree(phba);
5843 return;
5844}
5845
5846/**
5847 * lpfc_create_shost - Create hba physical port with associated scsi host.
5848 * @phba: pointer to lpfc hba data structure.
5849 *
5850 * This routine is invoked to create HBA physical port and associate a SCSI
5851 * host with it.
5852 *
5853 * Return codes
af901ca1 5854 * 0 - successful
da0436e9
JS		 5855 * other values - error
5856 **/
5857static int
5858lpfc_create_shost(struct lpfc_hba *phba)
5859{
5860 struct lpfc_vport *vport;
5861 struct Scsi_Host *shost;
5862
5863 /* Initialize HBA FC structure */
5864 phba->fc_edtov = FF_DEF_EDTOV;
5865 phba->fc_ratov = FF_DEF_RATOV;
5866 phba->fc_altov = FF_DEF_ALTOV;
5867 phba->fc_arbtov = FF_DEF_ARBTOV;
5868
d7c47992 5869 atomic_set(&phba->sdev_cnt, 0);
da0436e9
JS		 5870 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
5871 if (!vport)
5872 return -ENODEV;
5873
5874 shost = lpfc_shost_from_vport(vport);
5875 phba->pport = vport;
5876 lpfc_debugfs_initialize(vport);
5877 /* Put reference to SCSI host to driver's device private data */
5878 pci_set_drvdata(phba->pcidev, shost);
2e0fef85 5879
3772a991
JS		 5880 return 0;
5881}
db2378e0 5882
3772a991
JS		 5883/**
5884 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
5885 * @phba: pointer to lpfc hba data structure.
5886 *
5887 * This routine is invoked to destroy HBA physical port and the associated
5888 * SCSI host.
5889 **/
5890static void
5891lpfc_destroy_shost(struct lpfc_hba *phba)
5892{
5893 struct lpfc_vport *vport = phba->pport;
5894
5895 /* Destroy physical port that associated with the SCSI host */
5896 destroy_port(vport);
5897
5898 return;
5899}
5900
5901/**
5902 * lpfc_setup_bg - Setup Block guard structures and debug areas.
5903 * @phba: pointer to lpfc hba data structure.
5904 * @shost: the shost to be used to detect Block guard settings.
5905 *
5906 * This routine sets up the local Block guard protocol settings for @shost.
5907 * This routine also allocates memory for debugging bg buffers.
5908 **/
5909static void
5910lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost)
5911{
bbeb79b9
JS		 5912 uint32_t old_mask;
5913 uint32_t old_guard;
5914
3772a991
JS		 5915 int pagecnt = 10;
5916 if (lpfc_prot_mask && lpfc_prot_guard) {
5917 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5918 "1478 Registering BlockGuard with the "
5919 "SCSI layer\n");
bbeb79b9
JS		 5920
5921 old_mask = lpfc_prot_mask;
5922 old_guard = lpfc_prot_guard;
5923
5924 /* Only allow supported values */
5925 lpfc_prot_mask &= (SHOST_DIF_TYPE1_PROTECTION |
5926 SHOST_DIX_TYPE0_PROTECTION |
5927 SHOST_DIX_TYPE1_PROTECTION);
5928 lpfc_prot_guard &= (SHOST_DIX_GUARD_IP | SHOST_DIX_GUARD_CRC);
5929
5930 /* DIF Type 1 protection for profiles AST1/C1 is end to end */
5931 if (lpfc_prot_mask == SHOST_DIX_TYPE1_PROTECTION)
5932 lpfc_prot_mask |= SHOST_DIF_TYPE1_PROTECTION;
5933
5934 if (lpfc_prot_mask && lpfc_prot_guard) {
5935 if ((old_mask != lpfc_prot_mask) ||
5936 (old_guard != lpfc_prot_guard))
5937 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5938 "1475 Registering BlockGuard with the "
5939 "SCSI layer: mask %d guard %d\n",
5940 lpfc_prot_mask, lpfc_prot_guard);
5941
5942 scsi_host_set_prot(shost, lpfc_prot_mask);
5943 scsi_host_set_guard(shost, lpfc_prot_guard);
5944 } else
5945 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5946 "1479 Not Registering BlockGuard with the SCSI "
5947 "layer, Bad protection parameters: %d %d\n",
5948 old_mask, old_guard);
3772a991 5949 }
bbeb79b9 5950
3772a991
JS		 5951 if (!_dump_buf_data) {
5952 while (pagecnt) {
5953 spin_lock_init(&_dump_buf_lock);
5954 _dump_buf_data =
5955 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
5956 if (_dump_buf_data) {
6a9c52cf
JS		 5957 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5958 "9043 BLKGRD: allocated %d pages for "
3772a991
JS		 5959 "_dump_buf_data at 0x%p\n",
5960 (1 << pagecnt), _dump_buf_data);
5961 _dump_buf_data_order = pagecnt;
5962 memset(_dump_buf_data, 0,
5963 ((1 << PAGE_SHIFT) << pagecnt));
5964 break;
5965 } else
5966 --pagecnt;
5967 }
5968 if (!_dump_buf_data_order)
6a9c52cf
JS		 5969 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5970 "9044 BLKGRD: ERROR unable to allocate "
3772a991
JS		 5971 "memory for hexdump\n");
5972 } else
6a9c52cf
JS		 5973 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5974 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
3772a991
JS		 5975 "\n", _dump_buf_data);
5976 if (!_dump_buf_dif) {
5977 while (pagecnt) {
5978 _dump_buf_dif =
5979 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
5980 if (_dump_buf_dif) {
6a9c52cf
JS		 5981 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5982 "9046 BLKGRD: allocated %d pages for "
3772a991
JS		 5983 "_dump_buf_dif at 0x%p\n",
5984 (1 << pagecnt), _dump_buf_dif);
5985 _dump_buf_dif_order = pagecnt;
5986 memset(_dump_buf_dif, 0,
5987 ((1 << PAGE_SHIFT) << pagecnt));
5988 break;
5989 } else
5990 --pagecnt;
5991 }
5992 if (!_dump_buf_dif_order)
6a9c52cf
JS		 5993 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5994 "9047 BLKGRD: ERROR unable to allocate "
3772a991
JS		 5995 "memory for hexdump\n");
5996 } else
6a9c52cf
JS		 5997 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5998 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
3772a991
JS		 5999 _dump_buf_dif);
6000}
6001
6002/**
6003 * lpfc_post_init_setup - Perform necessary device post initialization setup.
6004 * @phba: pointer to lpfc hba data structure.
6005 *
6006 * This routine is invoked to perform all the necessary post initialization
6007 * setup for the device.
6008 **/
6009static void
6010lpfc_post_init_setup(struct lpfc_hba *phba)
6011{
6012 struct Scsi_Host *shost;
6013 struct lpfc_adapter_event_header adapter_event;
6014
6015 /* Get the default values for Model Name and Description */
6016 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
6017
6018 /*
6019 * hba setup may have changed the hba_queue_depth so we need to
6020 * adjust the value of can_queue.
6021 */
6022 shost = pci_get_drvdata(phba->pcidev);
6023 shost->can_queue = phba->cfg_hba_queue_depth - 10;
6024 if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
6025 lpfc_setup_bg(phba, shost);
6026
6027 lpfc_host_attrib_init(shost);
6028
6029 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
6030 spin_lock_irq(shost->host_lock);
6031 lpfc_poll_start_timer(phba);
6032 spin_unlock_irq(shost->host_lock);
6033 }
6034
6035 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6036 "0428 Perform SCSI scan\n");
6037 /* Send board arrival event to upper layer */
6038 adapter_event.event_type = FC_REG_ADAPTER_EVENT;
6039 adapter_event.subcategory = LPFC_EVENT_ARRIVAL;
6040 fc_host_post_vendor_event(shost, fc_get_event_number(),
6041 sizeof(adapter_event),
6042 (char *) &adapter_event,
6043 LPFC_NL_VENDOR_ID);
6044 return;
6045}
6046
6047/**
6048 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
6049 * @phba: pointer to lpfc hba data structure.
6050 *
6051 * This routine is invoked to set up the PCI device memory space for device
6052 * with SLI-3 interface spec.
6053 *
6054 * Return codes
af901ca1 6055 * 0 - successful
3772a991
JS		 6056 * other values - error
6057 **/
6058static int
6059lpfc_sli_pci_mem_setup(struct lpfc_hba *phba)
6060{
6061 struct pci_dev *pdev;
6062 unsigned long bar0map_len, bar2map_len;
6063 int i, hbq_count;
6064 void *ptr;
6065 int error = -ENODEV;
6066
6067 /* Obtain PCI device reference */
6068 if (!phba->pcidev)
6069 return error;
6070 else
6071 pdev = phba->pcidev;
6072
6073 /* Set the device DMA mask size */
8e68597d
MR		 6074 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0
6075 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) {
6076 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0
6077 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) {
3772a991 6078 return error;
8e68597d
MR		 6079 }
6080 }
3772a991
JS		 6081
6082 /* Get the bus address of Bar0 and Bar2 and the number of bytes
6083 * required by each mapping.
6084 */
6085 phba->pci_bar0_map = pci_resource_start(pdev, 0);
6086 bar0map_len = pci_resource_len(pdev, 0);
6087
6088 phba->pci_bar2_map = pci_resource_start(pdev, 2);
6089 bar2map_len = pci_resource_len(pdev, 2);
6090
6091 /* Map HBA SLIM to a kernel virtual address. */
6092 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
6093 if (!phba->slim_memmap_p) {
6094 dev_printk(KERN_ERR, &pdev->dev,
6095 "ioremap failed for SLIM memory.\n");
6096 goto out;
6097 }
6098
6099 /* Map HBA Control Registers to a kernel virtual address. */
6100 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
6101 if (!phba->ctrl_regs_memmap_p) {
6102 dev_printk(KERN_ERR, &pdev->dev,
6103 "ioremap failed for HBA control registers.\n");
6104 goto out_iounmap_slim;
6105 }
6106
6107 /* Allocate memory for SLI-2 structures */
6108 phba->slim2p.virt = dma_alloc_coherent(&pdev->dev,
6109 SLI2_SLIM_SIZE,
6110 &phba->slim2p.phys,
6111 GFP_KERNEL);
6112 if (!phba->slim2p.virt)
6113 goto out_iounmap;
6114
6115 memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE);
6116 phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx);
7a470277
JS		 6117 phba->mbox_ext = (phba->slim2p.virt +
6118 offsetof(struct lpfc_sli2_slim, mbx_ext_words));
3772a991
JS		 6119 phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb));
6120 phba->IOCBs = (phba->slim2p.virt +
6121 offsetof(struct lpfc_sli2_slim, IOCBs));
6122
6123 phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev,
6124 lpfc_sli_hbq_size(),
6125 &phba->hbqslimp.phys,
6126 GFP_KERNEL);
6127 if (!phba->hbqslimp.virt)
6128 goto out_free_slim;
6129
6130 hbq_count = lpfc_sli_hbq_count();
6131 ptr = phba->hbqslimp.virt;
6132 for (i = 0; i < hbq_count; ++i) {
6133 phba->hbqs[i].hbq_virt = ptr;
6134 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
6135 ptr += (lpfc_hbq_defs[i]->entry_count *
6136 sizeof(struct lpfc_hbq_entry));
6137 }
6138 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
6139 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
6140
6141 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
6142
6143 INIT_LIST_HEAD(&phba->rb_pend_list);
6144
6145 phba->MBslimaddr = phba->slim_memmap_p;
6146 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
6147 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
6148 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
6149 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
6150
6151 return 0;
6152
6153out_free_slim:
6154 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
6155 phba->slim2p.virt, phba->slim2p.phys);
6156out_iounmap:
6157 iounmap(phba->ctrl_regs_memmap_p);
6158out_iounmap_slim:
6159 iounmap(phba->slim_memmap_p);
6160out:
6161 return error;
6162}
6163
6164/**
6165 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
6166 * @phba: pointer to lpfc hba data structure.
6167 *
6168 * This routine is invoked to unset the PCI device memory space for device
6169 * with SLI-3 interface spec.
6170 **/
6171static void
6172lpfc_sli_pci_mem_unset(struct lpfc_hba *phba)
6173{
6174 struct pci_dev *pdev;
6175
6176 /* Obtain PCI device reference */
6177 if (!phba->pcidev)
6178 return;
6179 else
6180 pdev = phba->pcidev;
6181
6182 /* Free coherent DMA memory allocated */
6183 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
6184 phba->hbqslimp.virt, phba->hbqslimp.phys);
6185 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
6186 phba->slim2p.virt, phba->slim2p.phys);
6187
6188 /* I/O memory unmap */
6189 iounmap(phba->ctrl_regs_memmap_p);
6190 iounmap(phba->slim_memmap_p);
6191
6192 return;
6193}
6194
6195/**
da0436e9 6196 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
3772a991
JS		 6197 * @phba: pointer to lpfc hba data structure.
6198 *
da0436e9
JS		 6199 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
6200 * done and check status.
3772a991 6201 *
da0436e9 6202 * Return 0 if successful, otherwise -ENODEV.
3772a991 6203 **/
da0436e9
JS		 6204int
6205lpfc_sli4_post_status_check(struct lpfc_hba *phba)
3772a991 6206{
2fcee4bf
JS		 6207 struct lpfc_register portsmphr_reg, uerrlo_reg, uerrhi_reg;
6208 struct lpfc_register reg_data;
6209 int i, port_error = 0;
6210 uint32_t if_type;
3772a991 6211
9940b97b
JS		 6212 memset(&portsmphr_reg, 0, sizeof(portsmphr_reg));
6213 memset(&reg_data, 0, sizeof(reg_data));
2fcee4bf 6214 if (!phba->sli4_hba.PSMPHRregaddr)
da0436e9 6215 return -ENODEV;
3772a991 6216
da0436e9
JS		 6217 /* Wait up to 30 seconds for the SLI Port POST done and ready */
6218 for (i = 0; i < 3000; i++) {
9940b97b
JS		 6219 if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr,
6220 &portsmphr_reg.word0) ||
6221 (bf_get(lpfc_port_smphr_perr, &portsmphr_reg))) {
2fcee4bf 6222 /* Port has a fatal POST error, break out */
da0436e9
JS		 6223 port_error = -ENODEV;
6224 break;
6225 }
2fcee4bf
JS		 6226 if (LPFC_POST_STAGE_PORT_READY ==
6227 bf_get(lpfc_port_smphr_port_status, &portsmphr_reg))
da0436e9 6228 break;
da0436e9 6229 msleep(10);
3772a991
JS		 6230 }
6231
2fcee4bf
JS		 6232 /*
6233 * If there was a port error during POST, then don't proceed with
6234 * other register reads as the data may not be valid. Just exit.
6235 */
6236 if (port_error) {
da0436e9 6237 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2fcee4bf
JS		 6238 "1408 Port Failed POST - portsmphr=0x%x, "
6239 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
6240 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
6241 portsmphr_reg.word0,
6242 bf_get(lpfc_port_smphr_perr, &portsmphr_reg),
6243 bf_get(lpfc_port_smphr_sfi, &portsmphr_reg),
6244 bf_get(lpfc_port_smphr_nip, &portsmphr_reg),
6245 bf_get(lpfc_port_smphr_ipc, &portsmphr_reg),
6246 bf_get(lpfc_port_smphr_scr1, &portsmphr_reg),
6247 bf_get(lpfc_port_smphr_scr2, &portsmphr_reg),
6248 bf_get(lpfc_port_smphr_host_scratch, &portsmphr_reg),
6249 bf_get(lpfc_port_smphr_port_status, &portsmphr_reg));
6250 } else {
28baac74 6251 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2fcee4bf
JS		 6252 "2534 Device Info: SLIFamily=0x%x, "
6253 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
6254 "SLIHint_2=0x%x, FT=0x%x\n",
28baac74
JS		 6255 bf_get(lpfc_sli_intf_sli_family,
6256 &phba->sli4_hba.sli_intf),
6257 bf_get(lpfc_sli_intf_slirev,
6258 &phba->sli4_hba.sli_intf),
085c647c
JS		 6259 bf_get(lpfc_sli_intf_if_type,
6260 &phba->sli4_hba.sli_intf),
6261 bf_get(lpfc_sli_intf_sli_hint1,
28baac74 6262 &phba->sli4_hba.sli_intf),
085c647c
JS		 6263 bf_get(lpfc_sli_intf_sli_hint2,
6264 &phba->sli4_hba.sli_intf),
6265 bf_get(lpfc_sli_intf_func_type,
28baac74 6266 &phba->sli4_hba.sli_intf));
2fcee4bf
JS		 6267 /*
6268 * Check for other Port errors during the initialization
6269 * process. Fail the load if the port did not come up
6270 * correctly.
6271 */
6272 if_type = bf_get(lpfc_sli_intf_if_type,
6273 &phba->sli4_hba.sli_intf);
6274 switch (if_type) {
6275 case LPFC_SLI_INTF_IF_TYPE_0:
6276 phba->sli4_hba.ue_mask_lo =
6277 readl(phba->sli4_hba.u.if_type0.UEMASKLOregaddr);
6278 phba->sli4_hba.ue_mask_hi =
6279 readl(phba->sli4_hba.u.if_type0.UEMASKHIregaddr);
6280 uerrlo_reg.word0 =
6281 readl(phba->sli4_hba.u.if_type0.UERRLOregaddr);
6282 uerrhi_reg.word0 =
6283 readl(phba->sli4_hba.u.if_type0.UERRHIregaddr);
6284 if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) ||
6285 (~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) {
6286 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6287 "1422 Unrecoverable Error "
6288 "Detected during POST "
6289 "uerr_lo_reg=0x%x, "
6290 "uerr_hi_reg=0x%x, "
6291 "ue_mask_lo_reg=0x%x, "
6292 "ue_mask_hi_reg=0x%x\n",
6293 uerrlo_reg.word0,
6294 uerrhi_reg.word0,
6295 phba->sli4_hba.ue_mask_lo,
6296 phba->sli4_hba.ue_mask_hi);
6297 port_error = -ENODEV;
6298 }
6299 break;
6300 case LPFC_SLI_INTF_IF_TYPE_2:
6301 /* Final checks. The port status should be clean. */
9940b97b
JS		 6302 if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
6303 &reg_data.word0) ||
0558056c
JS		 6304 (bf_get(lpfc_sliport_status_err, &reg_data) &&
6305 !bf_get(lpfc_sliport_status_rn, &reg_data))) {
2fcee4bf
JS		 6306 phba->work_status[0] =
6307 readl(phba->sli4_hba.u.if_type2.
6308 ERR1regaddr);
6309 phba->work_status[1] =
6310 readl(phba->sli4_hba.u.if_type2.
6311 ERR2regaddr);
6312 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8fcb8acd
JS		 6313 "2888 Unrecoverable port error "
6314 "following POST: port status reg "
6315 "0x%x, port_smphr reg 0x%x, "
2fcee4bf
JS		 6316 "error 1=0x%x, error 2=0x%x\n",
6317 reg_data.word0,
6318 portsmphr_reg.word0,
6319 phba->work_status[0],
6320 phba->work_status[1]);
6321 port_error = -ENODEV;
6322 }
6323 break;
6324 case LPFC_SLI_INTF_IF_TYPE_1:
6325 default:
6326 break;
6327 }
28baac74 6328 }
da0436e9
JS		 6329 return port_error;
6330}
3772a991 6331
da0436e9
JS		 6332/**
6333 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
6334 * @phba: pointer to lpfc hba data structure.
2fcee4bf 6335 * @if_type: The SLI4 interface type getting configured.
da0436e9
JS		 6336 *
6337 * This routine is invoked to set up SLI4 BAR0 PCI config space register
6338 * memory map.
6339 **/
6340static void
2fcee4bf
JS		 6341lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type)
6342{
6343 switch (if_type) {
6344 case LPFC_SLI_INTF_IF_TYPE_0:
6345 phba->sli4_hba.u.if_type0.UERRLOregaddr =
6346 phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_LO;
6347 phba->sli4_hba.u.if_type0.UERRHIregaddr =
6348 phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_HI;
6349 phba->sli4_hba.u.if_type0.UEMASKLOregaddr =
6350 phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_LO;
6351 phba->sli4_hba.u.if_type0.UEMASKHIregaddr =
6352 phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_HI;
6353 phba->sli4_hba.SLIINTFregaddr =
6354 phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
6355 break;
6356 case LPFC_SLI_INTF_IF_TYPE_2:
6357 phba->sli4_hba.u.if_type2.ERR1regaddr =
88a2cfbb
JS		 6358 phba->sli4_hba.conf_regs_memmap_p +
6359 LPFC_CTL_PORT_ER1_OFFSET;
2fcee4bf 6360 phba->sli4_hba.u.if_type2.ERR2regaddr =
88a2cfbb
JS		 6361 phba->sli4_hba.conf_regs_memmap_p +
6362 LPFC_CTL_PORT_ER2_OFFSET;
2fcee4bf 6363 phba->sli4_hba.u.if_type2.CTRLregaddr =
88a2cfbb
JS		 6364 phba->sli4_hba.conf_regs_memmap_p +
6365 LPFC_CTL_PORT_CTL_OFFSET;
2fcee4bf 6366 phba->sli4_hba.u.if_type2.STATUSregaddr =
88a2cfbb
JS		 6367 phba->sli4_hba.conf_regs_memmap_p +
6368 LPFC_CTL_PORT_STA_OFFSET;
2fcee4bf
JS		 6369 phba->sli4_hba.SLIINTFregaddr =
6370 phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
6371 phba->sli4_hba.PSMPHRregaddr =
88a2cfbb
JS		 6372 phba->sli4_hba.conf_regs_memmap_p +
6373 LPFC_CTL_PORT_SEM_OFFSET;
2fcee4bf 6374 phba->sli4_hba.RQDBregaddr =
962bc51b
JS		 6375 phba->sli4_hba.conf_regs_memmap_p +
6376 LPFC_ULP0_RQ_DOORBELL;
2fcee4bf 6377 phba->sli4_hba.WQDBregaddr =
962bc51b
JS		 6378 phba->sli4_hba.conf_regs_memmap_p +
6379 LPFC_ULP0_WQ_DOORBELL;
2fcee4bf
JS		 6380 phba->sli4_hba.EQCQDBregaddr =
6381 phba->sli4_hba.conf_regs_memmap_p + LPFC_EQCQ_DOORBELL;
6382 phba->sli4_hba.MQDBregaddr =
6383 phba->sli4_hba.conf_regs_memmap_p + LPFC_MQ_DOORBELL;
6384 phba->sli4_hba.BMBXregaddr =
6385 phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX;
6386 break;
6387 case LPFC_SLI_INTF_IF_TYPE_1:
6388 default:
6389 dev_printk(KERN_ERR, &phba->pcidev->dev,
6390 "FATAL - unsupported SLI4 interface type - %d\n",
6391 if_type);
6392 break;
6393 }
da0436e9 6394}
3772a991 6395
da0436e9
JS		 6396/**
6397 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
6398 * @phba: pointer to lpfc hba data structure.
6399 *
6400 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
6401 * memory map.
6402 **/
6403static void
6404lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba)
6405{
2fcee4bf
JS		 6406 phba->sli4_hba.PSMPHRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
6407 LPFC_SLIPORT_IF0_SMPHR;
da0436e9 6408 phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6409 LPFC_HST_ISR0;
da0436e9 6410 phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6411 LPFC_HST_IMR0;
da0436e9 6412 phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6413 LPFC_HST_ISCR0;
3772a991
JS		 6414}
6415
6416/**
da0436e9 6417 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
3772a991 6418 * @phba: pointer to lpfc hba data structure.
da0436e9 6419 * @vf: virtual function number
3772a991 6420 *
da0436e9
JS		 6421 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
6422 * based on the given viftual function number, @vf.
6423 *
6424 * Return 0 if successful, otherwise -ENODEV.
3772a991 6425 **/
da0436e9
JS		 6426static int
6427lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf)
3772a991 6428{
da0436e9
JS		 6429 if (vf > LPFC_VIR_FUNC_MAX)
6430 return -ENODEV;
3772a991 6431
da0436e9 6432 phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
962bc51b
JS		 6433 vf * LPFC_VFR_PAGE_SIZE +
6434 LPFC_ULP0_RQ_DOORBELL);
da0436e9 6435 phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
962bc51b
JS		 6436 vf * LPFC_VFR_PAGE_SIZE +
6437 LPFC_ULP0_WQ_DOORBELL);
da0436e9
JS		 6438 phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6439 vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL);
6440 phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6441 vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL);
6442 phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6443 vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX);
6444 return 0;
3772a991
JS		 6445}
6446
6447/**
da0436e9 6448 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
3772a991
JS		 6449 * @phba: pointer to lpfc hba data structure.
6450 *
da0436e9
JS		 6451 * This routine is invoked to create the bootstrap mailbox
6452 * region consistent with the SLI-4 interface spec. This
6453 * routine allocates all memory necessary to communicate
6454 * mailbox commands to the port and sets up all alignment
6455 * needs. No locks are expected to be held when calling
6456 * this routine.
3772a991
JS		 6457 *
6458 * Return codes
af901ca1 6459 * 0 - successful
d439d286 6460 * -ENOMEM - could not allocated memory.
da0436e9 6461 **/
3772a991 6462static int
da0436e9 6463lpfc_create_bootstrap_mbox(struct lpfc_hba *phba)
3772a991 6464{
da0436e9
JS		 6465 uint32_t bmbx_size;
6466 struct lpfc_dmabuf *dmabuf;
6467 struct dma_address *dma_address;
6468 uint32_t pa_addr;
6469 uint64_t phys_addr;
6470
6471 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
6472 if (!dmabuf)
6473 return -ENOMEM;
3772a991 6474
da0436e9
JS		 6475 /*
6476 * The bootstrap mailbox region is comprised of 2 parts
6477 * plus an alignment restriction of 16 bytes.
6478 */
6479 bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1);
6480 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
6481 bmbx_size,
6482 &dmabuf->phys,
6483 GFP_KERNEL);
6484 if (!dmabuf->virt) {
6485 kfree(dmabuf);
6486 return -ENOMEM;
3772a991 6487 }
da0436e9 6488 memset(dmabuf->virt, 0, bmbx_size);
3772a991 6489
da0436e9
JS		 6490 /*
6491 * Initialize the bootstrap mailbox pointers now so that the register
6492 * operations are simple later. The mailbox dma address is required
6493 * to be 16-byte aligned. Also align the virtual memory as each
6494 * maibox is copied into the bmbx mailbox region before issuing the
6495 * command to the port.
6496 */
6497 phba->sli4_hba.bmbx.dmabuf = dmabuf;
6498 phba->sli4_hba.bmbx.bmbx_size = bmbx_size;
6499
6500 phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt,
6501 LPFC_ALIGN_16_BYTE);
6502 phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys,
6503 LPFC_ALIGN_16_BYTE);
6504
6505 /*
6506 * Set the high and low physical addresses now. The SLI4 alignment
6507 * requirement is 16 bytes and the mailbox is posted to the port
6508 * as two 30-bit addresses. The other data is a bit marking whether
6509 * the 30-bit address is the high or low address.
6510 * Upcast bmbx aphys to 64bits so shift instruction compiles
6511 * clean on 32 bit machines.
6512 */
6513 dma_address = &phba->sli4_hba.bmbx.dma_address;
6514 phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys;
6515 pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff);
6516 dma_address->addr_hi = (uint32_t) ((pa_addr << 2) |
6517 LPFC_BMBX_BIT1_ADDR_HI);
6518
6519 pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff);
6520 dma_address->addr_lo = (uint32_t) ((pa_addr << 2) |
6521 LPFC_BMBX_BIT1_ADDR_LO);
6522 return 0;
3772a991
JS		 6523}
6524
6525/**
da0436e9 6526 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
3772a991
JS		 6527 * @phba: pointer to lpfc hba data structure.
6528 *
da0436e9
JS		 6529 * This routine is invoked to teardown the bootstrap mailbox
6530 * region and release all host resources. This routine requires
6531 * the caller to ensure all mailbox commands recovered, no
6532 * additional mailbox comands are sent, and interrupts are disabled
6533 * before calling this routine.
6534 *
6535 **/
3772a991 6536static void
da0436e9 6537lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba)
3772a991 6538{
da0436e9
JS		 6539 dma_free_coherent(&phba->pcidev->dev,
6540 phba->sli4_hba.bmbx.bmbx_size,
6541 phba->sli4_hba.bmbx.dmabuf->virt,
6542 phba->sli4_hba.bmbx.dmabuf->phys);
6543
6544 kfree(phba->sli4_hba.bmbx.dmabuf);
6545 memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx));
3772a991
JS		 6546}
6547
6548/**
da0436e9 6549 * lpfc_sli4_read_config - Get the config parameters.
3772a991
JS		 6550 * @phba: pointer to lpfc hba data structure.
6551 *
da0436e9
JS		 6552 * This routine is invoked to read the configuration parameters from the HBA.
6553 * The configuration parameters are used to set the base and maximum values
6554 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
6555 * allocation for the port.
3772a991
JS		 6556 *
6557 * Return codes
af901ca1 6558 * 0 - successful
25985edc 6559 * -ENOMEM - No available memory
d439d286 6560 * -EIO - The mailbox failed to complete successfully.
3772a991 6561 **/
ff78d8f9 6562int
da0436e9 6563lpfc_sli4_read_config(struct lpfc_hba *phba)
3772a991 6564{
da0436e9
JS		 6565 LPFC_MBOXQ_t *pmb;
6566 struct lpfc_mbx_read_config *rd_config;
912e3acd
JS		 6567 union lpfc_sli4_cfg_shdr *shdr;
6568 uint32_t shdr_status, shdr_add_status;
6569 struct lpfc_mbx_get_func_cfg *get_func_cfg;
6570 struct lpfc_rsrc_desc_fcfcoe *desc;
8aa134a8 6571 char *pdesc_0;
912e3acd 6572 uint32_t desc_count;
8aa134a8 6573 int length, i, rc = 0, rc2;
3772a991 6574
da0436e9
JS		 6575 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
6576 if (!pmb) {
6577 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6578 "2011 Unable to allocate memory for issuing "
6579 "SLI_CONFIG_SPECIAL mailbox command\n");
6580 return -ENOMEM;
3772a991
JS		 6581 }
6582
da0436e9 6583 lpfc_read_config(phba, pmb);
3772a991 6584
da0436e9
JS		 6585 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
6586 if (rc != MBX_SUCCESS) {
6587 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6588 "2012 Mailbox failed , mbxCmd x%x "
6589 "READ_CONFIG, mbxStatus x%x\n",
6590 bf_get(lpfc_mqe_command, &pmb->u.mqe),
6591 bf_get(lpfc_mqe_status, &pmb->u.mqe));
6592 rc = -EIO;
6593 } else {
6594 rd_config = &pmb->u.mqe.un.rd_config;
ff78d8f9
JS		 6595 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv, rd_config)) {
6596 phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL;
6597 phba->sli4_hba.lnk_info.lnk_tp =
6598 bf_get(lpfc_mbx_rd_conf_lnk_type, rd_config);
6599 phba->sli4_hba.lnk_info.lnk_no =
6600 bf_get(lpfc_mbx_rd_conf_lnk_numb, rd_config);
6601 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6602 "3081 lnk_type:%d, lnk_numb:%d\n",
6603 phba->sli4_hba.lnk_info.lnk_tp,
6604 phba->sli4_hba.lnk_info.lnk_no);
6605 } else
6606 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
6607 "3082 Mailbox (x%x) returned ldv:x0\n",
6608 bf_get(lpfc_mqe_command, &pmb->u.mqe));
6d368e53
JS		 6609 phba->sli4_hba.extents_in_use =
6610 bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config);
da0436e9
JS		 6611 phba->sli4_hba.max_cfg_param.max_xri =
6612 bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
6613 phba->sli4_hba.max_cfg_param.xri_base =
6614 bf_get(lpfc_mbx_rd_conf_xri_base, rd_config);
6615 phba->sli4_hba.max_cfg_param.max_vpi =
6616 bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
6617 phba->sli4_hba.max_cfg_param.vpi_base =
6618 bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config);
6619 phba->sli4_hba.max_cfg_param.max_rpi =
6620 bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
6621 phba->sli4_hba.max_cfg_param.rpi_base =
6622 bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config);
6623 phba->sli4_hba.max_cfg_param.max_vfi =
6624 bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config);
6625 phba->sli4_hba.max_cfg_param.vfi_base =
6626 bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config);
6627 phba->sli4_hba.max_cfg_param.max_fcfi =
6628 bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config);
da0436e9
JS		 6629 phba->sli4_hba.max_cfg_param.max_eq =
6630 bf_get(lpfc_mbx_rd_conf_eq_count, rd_config);
6631 phba->sli4_hba.max_cfg_param.max_rq =
6632 bf_get(lpfc_mbx_rd_conf_rq_count, rd_config);
6633 phba->sli4_hba.max_cfg_param.max_wq =
6634 bf_get(lpfc_mbx_rd_conf_wq_count, rd_config);
6635 phba->sli4_hba.max_cfg_param.max_cq =
6636 bf_get(lpfc_mbx_rd_conf_cq_count, rd_config);
6637 phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config);
6638 phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base;
6639 phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base;
6640 phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base;
5ffc266e
JS		 6641 phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ?
6642 (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0;
da0436e9
JS		 6643 phba->max_vports = phba->max_vpi;
6644 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6d368e53
JS		 6645 "2003 cfg params Extents? %d "
6646 "XRI(B:%d M:%d), "
da0436e9
JS		 6647 "VPI(B:%d M:%d) "
6648 "VFI(B:%d M:%d) "
6649 "RPI(B:%d M:%d) "
6d368e53
JS		 6650 "FCFI(Count:%d)\n",
6651 phba->sli4_hba.extents_in_use,
da0436e9
JS		 6652 phba->sli4_hba.max_cfg_param.xri_base,
6653 phba->sli4_hba.max_cfg_param.max_xri,
6654 phba->sli4_hba.max_cfg_param.vpi_base,
6655 phba->sli4_hba.max_cfg_param.max_vpi,
6656 phba->sli4_hba.max_cfg_param.vfi_base,
6657 phba->sli4_hba.max_cfg_param.max_vfi,
6658 phba->sli4_hba.max_cfg_param.rpi_base,
6659 phba->sli4_hba.max_cfg_param.max_rpi,
da0436e9 6660 phba->sli4_hba.max_cfg_param.max_fcfi);
3772a991 6661 }
912e3acd
JS		 6662
6663 if (rc)
6664 goto read_cfg_out;
da0436e9
JS		 6665
6666 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
b92938b4
JS		 6667 if (phba->cfg_hba_queue_depth >
6668 (phba->sli4_hba.max_cfg_param.max_xri -
6669 lpfc_sli4_get_els_iocb_cnt(phba)))
da0436e9 6670 phba->cfg_hba_queue_depth =
b92938b4
JS		 6671 phba->sli4_hba.max_cfg_param.max_xri -
6672 lpfc_sli4_get_els_iocb_cnt(phba);
912e3acd
JS		 6673
6674 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
6675 LPFC_SLI_INTF_IF_TYPE_2)
6676 goto read_cfg_out;
6677
6678 /* get the pf# and vf# for SLI4 if_type 2 port */
6679 length = (sizeof(struct lpfc_mbx_get_func_cfg) -
6680 sizeof(struct lpfc_sli4_cfg_mhdr));
6681 lpfc_sli4_config(phba, pmb, LPFC_MBOX_SUBSYSTEM_COMMON,
6682 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG,
6683 length, LPFC_SLI4_MBX_EMBED);
6684
8aa134a8 6685 rc2 = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
912e3acd
JS		 6686 shdr = (union lpfc_sli4_cfg_shdr *)
6687 &pmb->u.mqe.un.sli4_config.header.cfg_shdr;
6688 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
6689 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
8aa134a8 6690 if (rc2 || shdr_status || shdr_add_status) {
912e3acd
JS		 6691 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6692 "3026 Mailbox failed , mbxCmd x%x "
6693 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
6694 bf_get(lpfc_mqe_command, &pmb->u.mqe),
6695 bf_get(lpfc_mqe_status, &pmb->u.mqe));
912e3acd
JS		 6696 goto read_cfg_out;
6697 }
6698
6699 /* search for fc_fcoe resrouce descriptor */
6700 get_func_cfg = &pmb->u.mqe.un.get_func_cfg;
6701 desc_count = get_func_cfg->func_cfg.rsrc_desc_count;
6702
8aa134a8
JS		 6703 pdesc_0 = (char *)&get_func_cfg->func_cfg.desc[0];
6704 desc = (struct lpfc_rsrc_desc_fcfcoe *)pdesc_0;
6705 length = bf_get(lpfc_rsrc_desc_fcfcoe_length, desc);
6706 if (length == LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD)
6707 length = LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH;
6708 else if (length != LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH)
6709 goto read_cfg_out;
6710
912e3acd 6711 for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) {
8aa134a8 6712 desc = (struct lpfc_rsrc_desc_fcfcoe *)(pdesc_0 + length * i);
912e3acd 6713 if (LPFC_RSRC_DESC_TYPE_FCFCOE ==
8aa134a8 6714 bf_get(lpfc_rsrc_desc_fcfcoe_type, desc)) {
912e3acd
JS		 6715 phba->sli4_hba.iov.pf_number =
6716 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc);
6717 phba->sli4_hba.iov.vf_number =
6718 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum, desc);
6719 break;
6720 }
6721 }
6722
6723 if (i < LPFC_RSRC_DESC_MAX_NUM)
6724 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6725 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
6726 "vf_number:%d\n", phba->sli4_hba.iov.pf_number,
6727 phba->sli4_hba.iov.vf_number);
8aa134a8 6728 else
912e3acd
JS		 6729 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6730 "3028 GET_FUNCTION_CONFIG: failed to find "
6731 "Resrouce Descriptor:x%x\n",
6732 LPFC_RSRC_DESC_TYPE_FCFCOE);
912e3acd
JS		 6733
6734read_cfg_out:
6735 mempool_free(pmb, phba->mbox_mem_pool);
da0436e9 6736 return rc;
3772a991
JS		 6737}
6738
6739/**
2fcee4bf 6740 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
3772a991
JS		 6741 * @phba: pointer to lpfc hba data structure.
6742 *
2fcee4bf
JS		 6743 * This routine is invoked to setup the port-side endian order when
6744 * the port if_type is 0. This routine has no function for other
6745 * if_types.
da0436e9
JS		 6746 *
6747 * Return codes
af901ca1 6748 * 0 - successful
25985edc 6749 * -ENOMEM - No available memory
d439d286 6750 * -EIO - The mailbox failed to complete successfully.
3772a991 6751 **/
da0436e9
JS		 6752static int
6753lpfc_setup_endian_order(struct lpfc_hba *phba)
3772a991 6754{
da0436e9 6755 LPFC_MBOXQ_t *mboxq;
2fcee4bf 6756 uint32_t if_type, rc = 0;
da0436e9
JS		 6757 uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0,
6758 HOST_ENDIAN_HIGH_WORD1};
3772a991 6759
2fcee4bf
JS		 6760 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
6761 switch (if_type) {
6762 case LPFC_SLI_INTF_IF_TYPE_0:
6763 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
6764 GFP_KERNEL);
6765 if (!mboxq) {
6766 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6767 "0492 Unable to allocate memory for "
6768 "issuing SLI_CONFIG_SPECIAL mailbox "
6769 "command\n");
6770 return -ENOMEM;
6771 }
3772a991 6772
2fcee4bf
JS		 6773 /*
6774 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
6775 * two words to contain special data values and no other data.
6776 */
6777 memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
6778 memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data));
6779 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
6780 if (rc != MBX_SUCCESS) {
6781 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6782 "0493 SLI_CONFIG_SPECIAL mailbox "
6783 "failed with status x%x\n",
6784 rc);
6785 rc = -EIO;
6786 }
6787 mempool_free(mboxq, phba->mbox_mem_pool);
6788 break;
6789 case LPFC_SLI_INTF_IF_TYPE_2:
6790 case LPFC_SLI_INTF_IF_TYPE_1:
6791 default:
6792 break;
da0436e9 6793 }
da0436e9 6794 return rc;
3772a991
JS		 6795}
6796
6797/**
5350d872 6798 * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
3772a991
JS		 6799 * @phba: pointer to lpfc hba data structure.
6800 *
5350d872
JS		 6801 * This routine is invoked to check the user settable queue counts for EQs and
6802 * CQs. after this routine is called the counts will be set to valid values that
6803 * adhere to the constraints of the system's interrupt vectors and the port's
6804 * queue resources.
da0436e9
JS		 6805 *
6806 * Return codes
af901ca1 6807 * 0 - successful
25985edc 6808 * -ENOMEM - No available memory
3772a991 6809 **/
da0436e9 6810static int
5350d872 6811lpfc_sli4_queue_verify(struct lpfc_hba *phba)
3772a991 6812{
67d12733 6813 int cfg_fcp_io_channel;
90695ee0
JS		 6814 uint32_t cpu;
6815 uint32_t i = 0;
3772a991 6816
da0436e9 6817 /*
67d12733 6818 * Sanity check for configured queue parameters against the run-time
da0436e9
JS		 6819 * device parameters
6820 */
3772a991 6821
67d12733
JS		 6822 /* Sanity check on HBA EQ parameters */
6823 cfg_fcp_io_channel = phba->cfg_fcp_io_channel;
6824
7bb03bbf
JS		 6825 /* It doesn't make sense to have more io channels then online CPUs */
6826 for_each_present_cpu(cpu) {
6827 if (cpu_online(cpu))
6828 i++;
90695ee0 6829 }
7bb03bbf 6830 phba->sli4_hba.num_online_cpu = i;
b246de17 6831 phba->sli4_hba.num_present_cpu = lpfc_present_cpu;
7bb03bbf 6832
90695ee0 6833 if (i < cfg_fcp_io_channel) {
82c3e9ba
JS		 6834 lpfc_printf_log(phba,
6835 KERN_ERR, LOG_INIT,
90695ee0 6836 "3188 Reducing IO channels to match number of "
7bb03bbf
JS		 6837 "online CPUs: from %d to %d\n",
6838 cfg_fcp_io_channel, i);
90695ee0
JS		 6839 cfg_fcp_io_channel = i;
6840 }
6841
67d12733
JS		 6842 if (cfg_fcp_io_channel >
6843 phba->sli4_hba.max_cfg_param.max_eq) {
82c3e9ba
JS		 6844 if (phba->sli4_hba.max_cfg_param.max_eq <
6845 LPFC_FCP_IO_CHAN_MIN) {
da0436e9
JS		 6846 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6847 "2574 Not enough EQs (%d) from the "
6848 "pci function for supporting FCP "
6849 "EQs (%d)\n",
6850 phba->sli4_hba.max_cfg_param.max_eq,
67d12733 6851 phba->cfg_fcp_io_channel);
da0436e9
JS		 6852 goto out_error;
6853 }
82c3e9ba
JS		 6854 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6855 "2575 Reducing IO channels to match number of "
6856 "available EQs: from %d to %d\n",
6857 cfg_fcp_io_channel,
6858 phba->sli4_hba.max_cfg_param.max_eq);
6859 cfg_fcp_io_channel = phba->sli4_hba.max_cfg_param.max_eq;
da0436e9 6860 }
67d12733
JS		 6861
6862 /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
6863
da0436e9 6864 /* The actual number of FCP event queues adopted */
67d12733
JS		 6865 phba->cfg_fcp_eq_count = cfg_fcp_io_channel;
6866 phba->cfg_fcp_wq_count = cfg_fcp_io_channel;
6867 phba->cfg_fcp_io_channel = cfg_fcp_io_channel;
3772a991 6868
da0436e9
JS		 6869 /* Get EQ depth from module parameter, fake the default for now */
6870 phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B;
6871 phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT;
3772a991 6872
5350d872
JS		 6873 /* Get CQ depth from module parameter, fake the default for now */
6874 phba->sli4_hba.cq_esize = LPFC_CQE_SIZE;
6875 phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT;
6876
6877 return 0;
6878out_error:
6879 return -ENOMEM;
6880}
6881
6882/**
6883 * lpfc_sli4_queue_create - Create all the SLI4 queues
6884 * @phba: pointer to lpfc hba data structure.
6885 *
6886 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
6887 * operation. For each SLI4 queue type, the parameters such as queue entry
6888 * count (queue depth) shall be taken from the module parameter. For now,
6889 * we just use some constant number as place holder.
6890 *
6891 * Return codes
4907cb7b 6892 * 0 - successful
5350d872
JS		 6893 * -ENOMEM - No availble memory
6894 * -EIO - The mailbox failed to complete successfully.
6895 **/
6896int
6897lpfc_sli4_queue_create(struct lpfc_hba *phba)
6898{
6899 struct lpfc_queue *qdesc;
67d12733 6900 int idx;
5350d872
JS		 6901
6902 /*
67d12733 6903 * Create HBA Record arrays.
5350d872 6904 */
67d12733
JS		 6905 if (!phba->cfg_fcp_io_channel)
6906 return -ERANGE;
5350d872 6907
67d12733
JS		 6908 phba->sli4_hba.mq_esize = LPFC_MQE_SIZE;
6909 phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT;
6910 phba->sli4_hba.wq_esize = LPFC_WQE_SIZE;
6911 phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT;
6912 phba->sli4_hba.rq_esize = LPFC_RQE_SIZE;
6913 phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT;
6914
6915 phba->sli4_hba.hba_eq = kzalloc((sizeof(struct lpfc_queue *) *
6916 phba->cfg_fcp_io_channel), GFP_KERNEL);
6917 if (!phba->sli4_hba.hba_eq) {
6918 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6919 "2576 Failed allocate memory for "
6920 "fast-path EQ record array\n");
6921 goto out_error;
6922 }
6923
6924 phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) *
6925 phba->cfg_fcp_io_channel), GFP_KERNEL);
6926 if (!phba->sli4_hba.fcp_cq) {
da0436e9 6927 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
67d12733
JS		 6928 "2577 Failed allocate memory for fast-path "
6929 "CQ record array\n");
6930 goto out_error;
6931 }
6932
6933 phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) *
6934 phba->cfg_fcp_io_channel), GFP_KERNEL);
6935 if (!phba->sli4_hba.fcp_wq) {
6936 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6937 "2578 Failed allocate memory for fast-path "
6938 "WQ record array\n");
da0436e9
JS		 6939 goto out_error;
6940 }
da0436e9 6941
5350d872 6942 /*
67d12733
JS		 6943 * Since the first EQ can have multiple CQs associated with it,
6944 * this array is used to quickly see if we have a FCP fast-path
6945 * CQ match.
5350d872 6946 */
67d12733
JS		 6947 phba->sli4_hba.fcp_cq_map = kzalloc((sizeof(uint16_t) *
6948 phba->cfg_fcp_io_channel), GFP_KERNEL);
6949 if (!phba->sli4_hba.fcp_cq_map) {
6950 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6951 "2545 Failed allocate memory for fast-path "
6952 "CQ map\n");
6953 goto out_error;
da0436e9 6954 }
67d12733
JS		 6955
6956 /*
6957 * Create HBA Event Queues (EQs). The cfg_fcp_io_channel specifies
6958 * how many EQs to create.
6959 */
6960 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
6961
6962 /* Create EQs */
da0436e9
JS		 6963 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
6964 phba->sli4_hba.eq_ecount);
6965 if (!qdesc) {
6966 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
67d12733
JS		 6967 "0497 Failed allocate EQ (%d)\n", idx);
6968 goto out_error;
da0436e9 6969 }
67d12733
JS		 6970 phba->sli4_hba.hba_eq[idx] = qdesc;
6971
6972 /* Create Fast Path FCP CQs */
6973 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
6974 phba->sli4_hba.cq_ecount);
6975 if (!qdesc) {
6976 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6977 "0499 Failed allocate fast-path FCP "
6978 "CQ (%d)\n", idx);
6979 goto out_error;
6980 }
6981 phba->sli4_hba.fcp_cq[idx] = qdesc;
6982
6983 /* Create Fast Path FCP WQs */
6984 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
6985 phba->sli4_hba.wq_ecount);
6986 if (!qdesc) {
6987 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6988 "0503 Failed allocate fast-path FCP "
6989 "WQ (%d)\n", idx);
6990 goto out_error;
6991 }
6992 phba->sli4_hba.fcp_wq[idx] = qdesc;
da0436e9
JS		 6993 }
6994
67d12733 6995
da0436e9 6996 /*
67d12733 6997 * Create Slow Path Completion Queues (CQs)
da0436e9
JS		 6998 */
6999
da0436e9
JS		 7000 /* Create slow-path Mailbox Command Complete Queue */
7001 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
7002 phba->sli4_hba.cq_ecount);
7003 if (!qdesc) {
7004 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7005 "0500 Failed allocate slow-path mailbox CQ\n");
67d12733 7006 goto out_error;
da0436e9
JS		 7007 }
7008 phba->sli4_hba.mbx_cq = qdesc;
7009
7010 /* Create slow-path ELS Complete Queue */
7011 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
7012 phba->sli4_hba.cq_ecount);
7013 if (!qdesc) {
7014 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7015 "0501 Failed allocate slow-path ELS CQ\n");
67d12733 7016 goto out_error;
da0436e9
JS		 7017 }
7018 phba->sli4_hba.els_cq = qdesc;
7019
da0436e9 7020
5350d872 7021 /*
67d12733 7022 * Create Slow Path Work Queues (WQs)
5350d872 7023 */
da0436e9
JS		 7024
7025 /* Create Mailbox Command Queue */
da0436e9
JS		 7026
7027 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize,
7028 phba->sli4_hba.mq_ecount);
7029 if (!qdesc) {
7030 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7031 "0505 Failed allocate slow-path MQ\n");
67d12733 7032 goto out_error;
da0436e9
JS		 7033 }
7034 phba->sli4_hba.mbx_wq = qdesc;
7035
7036 /*
67d12733 7037 * Create ELS Work Queues
da0436e9 7038 */
da0436e9
JS		 7039
7040 /* Create slow-path ELS Work Queue */
7041 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
7042 phba->sli4_hba.wq_ecount);
7043 if (!qdesc) {
7044 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7045 "0504 Failed allocate slow-path ELS WQ\n");
67d12733 7046 goto out_error;
da0436e9
JS		 7047 }
7048 phba->sli4_hba.els_wq = qdesc;
7049
da0436e9
JS		 7050 /*
7051 * Create Receive Queue (RQ)
7052 */
da0436e9
JS		 7053
7054 /* Create Receive Queue for header */
7055 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
7056 phba->sli4_hba.rq_ecount);
7057 if (!qdesc) {
7058 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7059 "0506 Failed allocate receive HRQ\n");
67d12733 7060 goto out_error;
da0436e9
JS		 7061 }
7062 phba->sli4_hba.hdr_rq = qdesc;
7063
7064 /* Create Receive Queue for data */
7065 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
7066 phba->sli4_hba.rq_ecount);
7067 if (!qdesc) {
7068 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7069 "0507 Failed allocate receive DRQ\n");
67d12733 7070 goto out_error;
da0436e9
JS		 7071 }
7072 phba->sli4_hba.dat_rq = qdesc;
7073
7074 return 0;
7075
da0436e9 7076out_error:
67d12733 7077 lpfc_sli4_queue_destroy(phba);
da0436e9
JS		 7078 return -ENOMEM;
7079}
7080
7081/**
7082 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
7083 * @phba: pointer to lpfc hba data structure.
7084 *
7085 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
7086 * operation.
7087 *
7088 * Return codes
af901ca1 7089 * 0 - successful
25985edc 7090 * -ENOMEM - No available memory
d439d286 7091 * -EIO - The mailbox failed to complete successfully.
da0436e9 7092 **/
5350d872 7093void
da0436e9
JS		 7094lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
7095{
67d12733
JS		 7096 int idx;
7097
7098 if (phba->sli4_hba.hba_eq != NULL) {
7099 /* Release HBA event queue */
7100 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7101 if (phba->sli4_hba.hba_eq[idx] != NULL) {
7102 lpfc_sli4_queue_free(
7103 phba->sli4_hba.hba_eq[idx]);
7104 phba->sli4_hba.hba_eq[idx] = NULL;
7105 }
7106 }
7107 kfree(phba->sli4_hba.hba_eq);
7108 phba->sli4_hba.hba_eq = NULL;
7109 }
7110
7111 if (phba->sli4_hba.fcp_cq != NULL) {
7112 /* Release FCP completion queue */
7113 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7114 if (phba->sli4_hba.fcp_cq[idx] != NULL) {
7115 lpfc_sli4_queue_free(
7116 phba->sli4_hba.fcp_cq[idx]);
7117 phba->sli4_hba.fcp_cq[idx] = NULL;
7118 }
7119 }
7120 kfree(phba->sli4_hba.fcp_cq);
7121 phba->sli4_hba.fcp_cq = NULL;
7122 }
7123
7124 if (phba->sli4_hba.fcp_wq != NULL) {
7125 /* Release FCP work queue */
7126 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7127 if (phba->sli4_hba.fcp_wq[idx] != NULL) {
7128 lpfc_sli4_queue_free(
7129 phba->sli4_hba.fcp_wq[idx]);
7130 phba->sli4_hba.fcp_wq[idx] = NULL;
7131 }
7132 }
7133 kfree(phba->sli4_hba.fcp_wq);
7134 phba->sli4_hba.fcp_wq = NULL;
7135 }
7136
962bc51b
JS		 7137 if (phba->pci_bar0_memmap_p) {
7138 iounmap(phba->pci_bar0_memmap_p);
7139 phba->pci_bar0_memmap_p = NULL;
7140 }
7141 if (phba->pci_bar2_memmap_p) {
7142 iounmap(phba->pci_bar2_memmap_p);
7143 phba->pci_bar2_memmap_p = NULL;
7144 }
7145 if (phba->pci_bar4_memmap_p) {
7146 iounmap(phba->pci_bar4_memmap_p);
7147 phba->pci_bar4_memmap_p = NULL;
7148 }
7149
67d12733
JS		 7150 /* Release FCP CQ mapping array */
7151 if (phba->sli4_hba.fcp_cq_map != NULL) {
7152 kfree(phba->sli4_hba.fcp_cq_map);
7153 phba->sli4_hba.fcp_cq_map = NULL;
7154 }
da0436e9
JS		 7155
7156 /* Release mailbox command work queue */
67d12733
JS		 7157 if (phba->sli4_hba.mbx_wq != NULL) {
7158 lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq);
7159 phba->sli4_hba.mbx_wq = NULL;
7160 }
da0436e9
JS		 7161
7162 /* Release ELS work queue */
67d12733
JS		 7163 if (phba->sli4_hba.els_wq != NULL) {
7164 lpfc_sli4_queue_free(phba->sli4_hba.els_wq);
7165 phba->sli4_hba.els_wq = NULL;
7166 }
da0436e9
JS		 7167
7168 /* Release unsolicited receive queue */
67d12733
JS		 7169 if (phba->sli4_hba.hdr_rq != NULL) {
7170 lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq);
7171 phba->sli4_hba.hdr_rq = NULL;
7172 }
7173 if (phba->sli4_hba.dat_rq != NULL) {
7174 lpfc_sli4_queue_free(phba->sli4_hba.dat_rq);
7175 phba->sli4_hba.dat_rq = NULL;
7176 }
da0436e9 7177
da0436e9 7178 /* Release ELS complete queue */
67d12733
JS		 7179 if (phba->sli4_hba.els_cq != NULL) {
7180 lpfc_sli4_queue_free(phba->sli4_hba.els_cq);
7181 phba->sli4_hba.els_cq = NULL;
7182 }
da0436e9
JS		 7183
7184 /* Release mailbox command complete queue */
67d12733
JS		 7185 if (phba->sli4_hba.mbx_cq != NULL) {
7186 lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq);
7187 phba->sli4_hba.mbx_cq = NULL;
7188 }
da0436e9
JS		 7189
7190 return;
7191}
7192
7193/**
7194 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
7195 * @phba: pointer to lpfc hba data structure.
7196 *
7197 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
7198 * operation.
7199 *
7200 * Return codes
af901ca1 7201 * 0 - successful
25985edc 7202 * -ENOMEM - No available memory
d439d286 7203 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7204 **/
7205int
7206lpfc_sli4_queue_setup(struct lpfc_hba *phba)
7207{
2a76a283
JS		 7208 struct lpfc_sli *psli = &phba->sli;
7209 struct lpfc_sli_ring *pring;
da0436e9
JS		 7210 int rc = -ENOMEM;
7211 int fcp_eqidx, fcp_cqidx, fcp_wqidx;
7212 int fcp_cq_index = 0;
962bc51b
JS		 7213 uint32_t shdr_status, shdr_add_status;
7214 union lpfc_sli4_cfg_shdr *shdr;
7215 LPFC_MBOXQ_t *mboxq;
7216 uint32_t length;
7217
7218 /* Check for dual-ULP support */
7219 mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
7220 if (!mboxq) {
7221 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7222 "3249 Unable to allocate memory for "
7223 "QUERY_FW_CFG mailbox command\n");
7224 return -ENOMEM;
7225 }
7226 length = (sizeof(struct lpfc_mbx_query_fw_config) -
7227 sizeof(struct lpfc_sli4_cfg_mhdr));
7228 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
7229 LPFC_MBOX_OPCODE_QUERY_FW_CFG,
7230 length, LPFC_SLI4_MBX_EMBED);
7231
7232 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
7233
7234 shdr = (union lpfc_sli4_cfg_shdr *)
7235 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
7236 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
7237 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
7238 if (shdr_status || shdr_add_status || rc) {
7239 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7240 "3250 QUERY_FW_CFG mailbox failed with status "
7241 "x%x add_status x%x, mbx status x%x\n",
7242 shdr_status, shdr_add_status, rc);
7243 if (rc != MBX_TIMEOUT)
7244 mempool_free(mboxq, phba->mbox_mem_pool);
7245 rc = -ENXIO;
7246 goto out_error;
7247 }
7248
7249 phba->sli4_hba.fw_func_mode =
7250 mboxq->u.mqe.un.query_fw_cfg.rsp.function_mode;
7251 phba->sli4_hba.ulp0_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp0_mode;
7252 phba->sli4_hba.ulp1_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp1_mode;
7253 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7254 "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, "
7255 "ulp1_mode:x%x\n", phba->sli4_hba.fw_func_mode,
7256 phba->sli4_hba.ulp0_mode, phba->sli4_hba.ulp1_mode);
7257
7258 if (rc != MBX_TIMEOUT)
7259 mempool_free(mboxq, phba->mbox_mem_pool);
da0436e9
JS		 7260
7261 /*
67d12733 7262 * Set up HBA Event Queues (EQs)
da0436e9
JS		 7263 */
7264
67d12733
JS		 7265 /* Set up HBA event queue */
7266 if (phba->cfg_fcp_io_channel && !phba->sli4_hba.hba_eq) {
2e90f4b5
JS		 7267 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7268 "3147 Fast-path EQs not allocated\n");
1b51197d 7269 rc = -ENOMEM;
67d12733 7270 goto out_error;
2e90f4b5 7271 }
67d12733
JS		 7272 for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_io_channel; fcp_eqidx++) {
7273 if (!phba->sli4_hba.hba_eq[fcp_eqidx]) {
da0436e9
JS		 7274 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7275 "0522 Fast-path EQ (%d) not "
7276 "allocated\n", fcp_eqidx);
1b51197d 7277 rc = -ENOMEM;
67d12733 7278 goto out_destroy_hba_eq;
da0436e9 7279 }
67d12733 7280 rc = lpfc_eq_create(phba, phba->sli4_hba.hba_eq[fcp_eqidx],
bf8dae83 7281 (phba->cfg_fcp_imax / phba->cfg_fcp_io_channel));
da0436e9
JS		 7282 if (rc) {
7283 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7284 "0523 Failed setup of fast-path EQ "
7285 "(%d), rc = 0x%x\n", fcp_eqidx, rc);
67d12733 7286 goto out_destroy_hba_eq;
da0436e9
JS		 7287 }
7288 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
67d12733 7289 "2584 HBA EQ setup: "
da0436e9 7290 "queue[%d]-id=%d\n", fcp_eqidx,
67d12733 7291 phba->sli4_hba.hba_eq[fcp_eqidx]->queue_id);
da0436e9
JS		 7292 }
7293
67d12733
JS		 7294 /* Set up fast-path FCP Response Complete Queue */
7295 if (!phba->sli4_hba.fcp_cq) {
7296 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7297 "3148 Fast-path FCP CQ array not "
7298 "allocated\n");
7299 rc = -ENOMEM;
7300 goto out_destroy_hba_eq;
7301 }
7302
7303 for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_io_channel; fcp_cqidx++) {
7304 if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) {
7305 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7306 "0526 Fast-path FCP CQ (%d) not "
7307 "allocated\n", fcp_cqidx);
7308 rc = -ENOMEM;
7309 goto out_destroy_fcp_cq;
7310 }
7311 rc = lpfc_cq_create(phba, phba->sli4_hba.fcp_cq[fcp_cqidx],
7312 phba->sli4_hba.hba_eq[fcp_cqidx], LPFC_WCQ, LPFC_FCP);
7313 if (rc) {
7314 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7315 "0527 Failed setup of fast-path FCP "
7316 "CQ (%d), rc = 0x%x\n", fcp_cqidx, rc);
7317 goto out_destroy_fcp_cq;
7318 }
7319
7320 /* Setup fcp_cq_map for fast lookup */
7321 phba->sli4_hba.fcp_cq_map[fcp_cqidx] =
7322 phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id;
7323
7324 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7325 "2588 FCP CQ setup: cq[%d]-id=%d, "
7326 "parent seq[%d]-id=%d\n",
7327 fcp_cqidx,
7328 phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id,
7329 fcp_cqidx,
7330 phba->sli4_hba.hba_eq[fcp_cqidx]->queue_id);
7331 }
7332
7333 /* Set up fast-path FCP Work Queue */
7334 if (!phba->sli4_hba.fcp_wq) {
7335 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7336 "3149 Fast-path FCP WQ array not "
7337 "allocated\n");
7338 rc = -ENOMEM;
7339 goto out_destroy_fcp_cq;
7340 }
7341
7342 for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_io_channel; fcp_wqidx++) {
7343 if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) {
7344 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7345 "0534 Fast-path FCP WQ (%d) not "
7346 "allocated\n", fcp_wqidx);
7347 rc = -ENOMEM;
7348 goto out_destroy_fcp_wq;
7349 }
7350 rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx],
7351 phba->sli4_hba.fcp_cq[fcp_wqidx],
7352 LPFC_FCP);
7353 if (rc) {
7354 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7355 "0535 Failed setup of fast-path FCP "
7356 "WQ (%d), rc = 0x%x\n", fcp_wqidx, rc);
7357 goto out_destroy_fcp_wq;
7358 }
7359
7360 /* Bind this WQ to the next FCP ring */
7361 pring = &psli->ring[MAX_SLI3_CONFIGURED_RINGS + fcp_wqidx];
7362 pring->sli.sli4.wqp = (void *)phba->sli4_hba.fcp_wq[fcp_wqidx];
7363 phba->sli4_hba.fcp_cq[fcp_wqidx]->pring = pring;
7364
7365 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7366 "2591 FCP WQ setup: wq[%d]-id=%d, "
7367 "parent cq[%d]-id=%d\n",
7368 fcp_wqidx,
7369 phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id,
7370 fcp_cq_index,
7371 phba->sli4_hba.fcp_cq[fcp_wqidx]->queue_id);
7372 }
da0436e9
JS		 7373 /*
7374 * Set up Complete Queues (CQs)
7375 */
7376
7377 /* Set up slow-path MBOX Complete Queue as the first CQ */
7378 if (!phba->sli4_hba.mbx_cq) {
7379 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7380 "0528 Mailbox CQ not allocated\n");
1b51197d 7381 rc = -ENOMEM;
67d12733 7382 goto out_destroy_fcp_wq;
da0436e9 7383 }
67d12733
JS		 7384 rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq,
7385 phba->sli4_hba.hba_eq[0], LPFC_MCQ, LPFC_MBOX);
da0436e9
JS		 7386 if (rc) {
7387 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7388 "0529 Failed setup of slow-path mailbox CQ: "
7389 "rc = 0x%x\n", rc);
67d12733 7390 goto out_destroy_fcp_wq;
da0436e9
JS		 7391 }
7392 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7393 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
7394 phba->sli4_hba.mbx_cq->queue_id,
67d12733 7395 phba->sli4_hba.hba_eq[0]->queue_id);
da0436e9
JS		 7396
7397 /* Set up slow-path ELS Complete Queue */
7398 if (!phba->sli4_hba.els_cq) {
7399 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7400 "0530 ELS CQ not allocated\n");
1b51197d 7401 rc = -ENOMEM;
da0436e9
JS		 7402 goto out_destroy_mbx_cq;
7403 }
67d12733
JS		 7404 rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq,
7405 phba->sli4_hba.hba_eq[0], LPFC_WCQ, LPFC_ELS);
da0436e9
JS		 7406 if (rc) {
7407 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7408 "0531 Failed setup of slow-path ELS CQ: "
7409 "rc = 0x%x\n", rc);
7410 goto out_destroy_mbx_cq;
7411 }
7412 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7413 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
7414 phba->sli4_hba.els_cq->queue_id,
67d12733 7415 phba->sli4_hba.hba_eq[0]->queue_id);
da0436e9
JS		 7416
7417 /*
7418 * Set up all the Work Queues (WQs)
7419 */
7420
7421 /* Set up Mailbox Command Queue */
7422 if (!phba->sli4_hba.mbx_wq) {
7423 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7424 "0538 Slow-path MQ not allocated\n");
1b51197d 7425 rc = -ENOMEM;
67d12733 7426 goto out_destroy_els_cq;
da0436e9
JS		 7427 }
7428 rc = lpfc_mq_create(phba, phba->sli4_hba.mbx_wq,
7429 phba->sli4_hba.mbx_cq, LPFC_MBOX);
7430 if (rc) {
7431 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7432 "0539 Failed setup of slow-path MQ: "
7433 "rc = 0x%x\n", rc);
67d12733 7434 goto out_destroy_els_cq;
da0436e9
JS		 7435 }
7436 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7437 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
7438 phba->sli4_hba.mbx_wq->queue_id,
7439 phba->sli4_hba.mbx_cq->queue_id);
7440
7441 /* Set up slow-path ELS Work Queue */
7442 if (!phba->sli4_hba.els_wq) {
7443 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7444 "0536 Slow-path ELS WQ not allocated\n");
1b51197d 7445 rc = -ENOMEM;
da0436e9
JS		 7446 goto out_destroy_mbx_wq;
7447 }
7448 rc = lpfc_wq_create(phba, phba->sli4_hba.els_wq,
7449 phba->sli4_hba.els_cq, LPFC_ELS);
7450 if (rc) {
7451 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7452 "0537 Failed setup of slow-path ELS WQ: "
7453 "rc = 0x%x\n", rc);
7454 goto out_destroy_mbx_wq;
7455 }
2a76a283
JS		 7456
7457 /* Bind this WQ to the ELS ring */
7458 pring = &psli->ring[LPFC_ELS_RING];
7459 pring->sli.sli4.wqp = (void *)phba->sli4_hba.els_wq;
7460 phba->sli4_hba.els_cq->pring = pring;
7461
da0436e9
JS		 7462 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7463 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
7464 phba->sli4_hba.els_wq->queue_id,
7465 phba->sli4_hba.els_cq->queue_id);
7466
da0436e9
JS		 7467 /*
7468 * Create Receive Queue (RQ)
7469 */
7470 if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) {
7471 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7472 "0540 Receive Queue not allocated\n");
1b51197d 7473 rc = -ENOMEM;
67d12733 7474 goto out_destroy_els_wq;
da0436e9 7475 }
73d91e50
JS		 7476
7477 lpfc_rq_adjust_repost(phba, phba->sli4_hba.hdr_rq, LPFC_ELS_HBQ);
7478 lpfc_rq_adjust_repost(phba, phba->sli4_hba.dat_rq, LPFC_ELS_HBQ);
7479
da0436e9 7480 rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq,
4d9ab994 7481 phba->sli4_hba.els_cq, LPFC_USOL);
da0436e9
JS		 7482 if (rc) {
7483 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7484 "0541 Failed setup of Receive Queue: "
7485 "rc = 0x%x\n", rc);
7486 goto out_destroy_fcp_wq;
7487 }
73d91e50 7488
da0436e9
JS		 7489 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7490 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
7491 "parent cq-id=%d\n",
7492 phba->sli4_hba.hdr_rq->queue_id,
7493 phba->sli4_hba.dat_rq->queue_id,
4d9ab994 7494 phba->sli4_hba.els_cq->queue_id);
da0436e9
JS		 7495 return 0;
7496
2e90f4b5 7497out_destroy_els_wq:
da0436e9
JS		 7498 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
7499out_destroy_mbx_wq:
7500 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
2e90f4b5 7501out_destroy_els_cq:
da0436e9
JS		 7502 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
7503out_destroy_mbx_cq:
7504 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
67d12733
JS		 7505out_destroy_fcp_wq:
7506 for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--)
7507 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]);
7508out_destroy_fcp_cq:
7509 for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--)
7510 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]);
7511out_destroy_hba_eq:
da0436e9 7512 for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--)
67d12733 7513 lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_eqidx]);
da0436e9
JS		 7514out_error:
7515 return rc;
7516}
7517
7518/**
7519 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
7520 * @phba: pointer to lpfc hba data structure.
7521 *
7522 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
7523 * operation.
7524 *
7525 * Return codes
af901ca1 7526 * 0 - successful
25985edc 7527 * -ENOMEM - No available memory
d439d286 7528 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7529 **/
7530void
7531lpfc_sli4_queue_unset(struct lpfc_hba *phba)
7532{
7533 int fcp_qidx;
7534
7535 /* Unset mailbox command work queue */
7536 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
7537 /* Unset ELS work queue */
7538 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
7539 /* Unset unsolicited receive queue */
7540 lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq);
7541 /* Unset FCP work queue */
67d12733
JS		 7542 if (phba->sli4_hba.fcp_wq) {
7543 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
7544 fcp_qidx++)
7545 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_qidx]);
7546 }
da0436e9
JS		 7547 /* Unset mailbox command complete queue */
7548 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
7549 /* Unset ELS complete queue */
7550 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
da0436e9 7551 /* Unset FCP response complete queue */
2e90f4b5 7552 if (phba->sli4_hba.fcp_cq) {
67d12733
JS		 7553 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
7554 fcp_qidx++)
2e90f4b5 7555 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]);
2e90f4b5 7556 }
da0436e9 7557 /* Unset fast-path event queue */
67d12733
JS		 7558 if (phba->sli4_hba.hba_eq) {
7559 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
2e90f4b5 7560 fcp_qidx++)
67d12733 7561 lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_qidx]);
2e90f4b5 7562 }
da0436e9
JS		 7563}
7564
7565/**
7566 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
7567 * @phba: pointer to lpfc hba data structure.
7568 *
7569 * This routine is invoked to allocate and set up a pool of completion queue
7570 * events. The body of the completion queue event is a completion queue entry
7571 * CQE. For now, this pool is used for the interrupt service routine to queue
7572 * the following HBA completion queue events for the worker thread to process:
7573 * - Mailbox asynchronous events
7574 * - Receive queue completion unsolicited events
7575 * Later, this can be used for all the slow-path events.
7576 *
7577 * Return codes
af901ca1 7578 * 0 - successful
25985edc 7579 * -ENOMEM - No available memory
da0436e9
JS		 7580 **/
7581static int
7582lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba)
7583{
7584 struct lpfc_cq_event *cq_event;
7585 int i;
7586
7587 for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) {
7588 cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL);
7589 if (!cq_event)
7590 goto out_pool_create_fail;
7591 list_add_tail(&cq_event->list,
7592 &phba->sli4_hba.sp_cqe_event_pool);
7593 }
7594 return 0;
7595
7596out_pool_create_fail:
7597 lpfc_sli4_cq_event_pool_destroy(phba);
7598 return -ENOMEM;
7599}
7600
7601/**
7602 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
7603 * @phba: pointer to lpfc hba data structure.
7604 *
7605 * This routine is invoked to free the pool of completion queue events at
7606 * driver unload time. Note that, it is the responsibility of the driver
7607 * cleanup routine to free all the outstanding completion-queue events
7608 * allocated from this pool back into the pool before invoking this routine
7609 * to destroy the pool.
7610 **/
7611static void
7612lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba)
7613{
7614 struct lpfc_cq_event *cq_event, *next_cq_event;
7615
7616 list_for_each_entry_safe(cq_event, next_cq_event,
7617 &phba->sli4_hba.sp_cqe_event_pool, list) {
7618 list_del(&cq_event->list);
7619 kfree(cq_event);
7620 }
7621}
7622
7623/**
7624 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7625 * @phba: pointer to lpfc hba data structure.
7626 *
7627 * This routine is the lock free version of the API invoked to allocate a
7628 * completion-queue event from the free pool.
7629 *
7630 * Return: Pointer to the newly allocated completion-queue event if successful
7631 * NULL otherwise.
7632 **/
7633struct lpfc_cq_event *
7634__lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
7635{
7636 struct lpfc_cq_event *cq_event = NULL;
7637
7638 list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event,
7639 struct lpfc_cq_event, list);
7640 return cq_event;
7641}
7642
7643/**
7644 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7645 * @phba: pointer to lpfc hba data structure.
7646 *
7647 * This routine is the lock version of the API invoked to allocate a
7648 * completion-queue event from the free pool.
7649 *
7650 * Return: Pointer to the newly allocated completion-queue event if successful
7651 * NULL otherwise.
7652 **/
7653struct lpfc_cq_event *
7654lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
7655{
7656 struct lpfc_cq_event *cq_event;
7657 unsigned long iflags;
7658
7659 spin_lock_irqsave(&phba->hbalock, iflags);
7660 cq_event = __lpfc_sli4_cq_event_alloc(phba);
7661 spin_unlock_irqrestore(&phba->hbalock, iflags);
7662 return cq_event;
7663}
7664
7665/**
7666 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7667 * @phba: pointer to lpfc hba data structure.
7668 * @cq_event: pointer to the completion queue event to be freed.
7669 *
7670 * This routine is the lock free version of the API invoked to release a
7671 * completion-queue event back into the free pool.
7672 **/
7673void
7674__lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
7675 struct lpfc_cq_event *cq_event)
7676{
7677 list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool);
7678}
7679
7680/**
7681 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7682 * @phba: pointer to lpfc hba data structure.
7683 * @cq_event: pointer to the completion queue event to be freed.
7684 *
7685 * This routine is the lock version of the API invoked to release a
7686 * completion-queue event back into the free pool.
7687 **/
7688void
7689lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
7690 struct lpfc_cq_event *cq_event)
7691{
7692 unsigned long iflags;
7693 spin_lock_irqsave(&phba->hbalock, iflags);
7694 __lpfc_sli4_cq_event_release(phba, cq_event);
7695 spin_unlock_irqrestore(&phba->hbalock, iflags);
7696}
7697
7698/**
7699 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
7700 * @phba: pointer to lpfc hba data structure.
7701 *
7702 * This routine is to free all the pending completion-queue events to the
7703 * back into the free pool for device reset.
7704 **/
7705static void
7706lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba)
7707{
7708 LIST_HEAD(cqelist);
7709 struct lpfc_cq_event *cqe;
7710 unsigned long iflags;
7711
7712 /* Retrieve all the pending WCQEs from pending WCQE lists */
7713 spin_lock_irqsave(&phba->hbalock, iflags);
7714 /* Pending FCP XRI abort events */
7715 list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue,
7716 &cqelist);
7717 /* Pending ELS XRI abort events */
7718 list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue,
7719 &cqelist);
7720 /* Pending asynnc events */
7721 list_splice_init(&phba->sli4_hba.sp_asynce_work_queue,
7722 &cqelist);
7723 spin_unlock_irqrestore(&phba->hbalock, iflags);
7724
7725 while (!list_empty(&cqelist)) {
7726 list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list);
7727 lpfc_sli4_cq_event_release(phba, cqe);
7728 }
7729}
7730
7731/**
7732 * lpfc_pci_function_reset - Reset pci function.
7733 * @phba: pointer to lpfc hba data structure.
7734 *
7735 * This routine is invoked to request a PCI function reset. It will destroys
7736 * all resources assigned to the PCI function which originates this request.
7737 *
7738 * Return codes
af901ca1 7739 * 0 - successful
25985edc 7740 * -ENOMEM - No available memory
d439d286 7741 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7742 **/
7743int
7744lpfc_pci_function_reset(struct lpfc_hba *phba)
7745{
7746 LPFC_MBOXQ_t *mboxq;
2fcee4bf 7747 uint32_t rc = 0, if_type;
da0436e9 7748 uint32_t shdr_status, shdr_add_status;
2fcee4bf 7749 uint32_t rdy_chk, num_resets = 0, reset_again = 0;
da0436e9 7750 union lpfc_sli4_cfg_shdr *shdr;
2fcee4bf 7751 struct lpfc_register reg_data;
2b81f942 7752 uint16_t devid;
da0436e9 7753
2fcee4bf
JS		 7754 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
7755 switch (if_type) {
7756 case LPFC_SLI_INTF_IF_TYPE_0:
7757 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
7758 GFP_KERNEL);
7759 if (!mboxq) {
7760 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7761 "0494 Unable to allocate memory for "
7762 "issuing SLI_FUNCTION_RESET mailbox "
7763 "command\n");
7764 return -ENOMEM;
7765 }
da0436e9 7766
2fcee4bf
JS		 7767 /* Setup PCI function reset mailbox-ioctl command */
7768 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
7769 LPFC_MBOX_OPCODE_FUNCTION_RESET, 0,
7770 LPFC_SLI4_MBX_EMBED);
7771 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
7772 shdr = (union lpfc_sli4_cfg_shdr *)
7773 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
7774 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
7775 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
7776 &shdr->response);
7777 if (rc != MBX_TIMEOUT)
7778 mempool_free(mboxq, phba->mbox_mem_pool);
7779 if (shdr_status || shdr_add_status || rc) {
7780 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7781 "0495 SLI_FUNCTION_RESET mailbox "
7782 "failed with status x%x add_status x%x,"
7783 " mbx status x%x\n",
7784 shdr_status, shdr_add_status, rc);
7785 rc = -ENXIO;
7786 }
7787 break;
7788 case LPFC_SLI_INTF_IF_TYPE_2:
7789 for (num_resets = 0;
7790 num_resets < MAX_IF_TYPE_2_RESETS;
7791 num_resets++) {
7792 reg_data.word0 = 0;
7793 bf_set(lpfc_sliport_ctrl_end, &reg_data,
7794 LPFC_SLIPORT_LITTLE_ENDIAN);
7795 bf_set(lpfc_sliport_ctrl_ip, &reg_data,
7796 LPFC_SLIPORT_INIT_PORT);
7797 writel(reg_data.word0, phba->sli4_hba.u.if_type2.
7798 CTRLregaddr);
8fcb8acd 7799 /* flush */
2b81f942
JS		 7800 pci_read_config_word(phba->pcidev,
7801 PCI_DEVICE_ID, &devid);
2fcee4bf
JS		 7802 /*
7803 * Poll the Port Status Register and wait for RDY for
7804 * up to 10 seconds. If the port doesn't respond, treat
7805 * it as an error. If the port responds with RN, start
7806 * the loop again.
7807 */
7808 for (rdy_chk = 0; rdy_chk < 1000; rdy_chk++) {
73d91e50 7809 msleep(10);
9940b97b
JS		 7810 if (lpfc_readl(phba->sli4_hba.u.if_type2.
7811 STATUSregaddr, &reg_data.word0)) {
7812 rc = -ENODEV;
73d91e50 7813 goto out;
9940b97b 7814 }
6b5151fd 7815 if (bf_get(lpfc_sliport_status_rn, &reg_data))
2fcee4bf 7816 reset_again++;
6b5151fd 7817 if (bf_get(lpfc_sliport_status_rdy, &reg_data))
2fcee4bf 7818 break;
2fcee4bf
JS		 7819 }
7820
7821 /*
7822 * If the port responds to the init request with
7823 * reset needed, delay for a bit and restart the loop.
7824 */
6b5151fd 7825 if (reset_again && (rdy_chk < 1000)) {
2fcee4bf
JS		 7826 msleep(10);
7827 reset_again = 0;
7828 continue;
7829 }
7830
7831 /* Detect any port errors. */
2fcee4bf
JS		 7832 if ((bf_get(lpfc_sliport_status_err, &reg_data)) ||
7833 (rdy_chk >= 1000)) {
7834 phba->work_status[0] = readl(
7835 phba->sli4_hba.u.if_type2.ERR1regaddr);
7836 phba->work_status[1] = readl(
7837 phba->sli4_hba.u.if_type2.ERR2regaddr);
7838 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8fcb8acd 7839 "2890 Port error detected during port "
8a9d2e80
JS		 7840 "reset(%d): wait_tmo:%d ms, "
7841 "port status reg 0x%x, "
2fcee4bf 7842 "error 1=0x%x, error 2=0x%x\n",
8a9d2e80
JS		 7843 num_resets, rdy_chk*10,
7844 reg_data.word0,
2fcee4bf
JS		 7845 phba->work_status[0],
7846 phba->work_status[1]);
7847 rc = -ENODEV;
7848 }
7849
7850 /*
7851 * Terminate the outer loop provided the Port indicated
7852 * ready within 10 seconds.
7853 */
7854 if (rdy_chk < 1000)
7855 break;
7856 }
0558056c
JS		 7857 /* delay driver action following IF_TYPE_2 function reset */
7858 msleep(100);
2fcee4bf
JS		 7859 break;
7860 case LPFC_SLI_INTF_IF_TYPE_1:
7861 default:
7862 break;
da0436e9 7863 }
2fcee4bf 7864
73d91e50 7865out:
2fcee4bf 7866 /* Catch the not-ready port failure after a port reset. */
229adb0e
JS		 7867 if (num_resets >= MAX_IF_TYPE_2_RESETS) {
7868 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7869 "3317 HBA not functional: IP Reset Failed "
7870 "after (%d) retries, try: "
7871 "echo fw_reset > board_mode\n", num_resets);
2fcee4bf 7872 rc = -ENODEV;
229adb0e 7873 }
2fcee4bf 7874
da0436e9
JS		 7875 return rc;
7876}
7877
da0436e9
JS		 7878/**
7879 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
7880 * @phba: pointer to lpfc hba data structure.
7881 *
7882 * This routine is invoked to set up the PCI device memory space for device
7883 * with SLI-4 interface spec.
7884 *
7885 * Return codes
af901ca1 7886 * 0 - successful
da0436e9
JS		 7887 * other values - error
7888 **/
7889static int
7890lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
7891{
7892 struct pci_dev *pdev;
7893 unsigned long bar0map_len, bar1map_len, bar2map_len;
7894 int error = -ENODEV;
2fcee4bf 7895 uint32_t if_type;
da0436e9
JS		 7896
7897 /* Obtain PCI device reference */
7898 if (!phba->pcidev)
7899 return error;
7900 else
7901 pdev = phba->pcidev;
7902
7903 /* Set the device DMA mask size */
8e68597d
MR		 7904 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0
7905 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) {
7906 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0
7907 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) {
da0436e9 7908 return error;
8e68597d
MR		 7909 }
7910 }
da0436e9 7911
2fcee4bf
JS		 7912 /*
7913 * The BARs and register set definitions and offset locations are
7914 * dependent on the if_type.
7915 */
7916 if (pci_read_config_dword(pdev, LPFC_SLI_INTF,
7917 &phba->sli4_hba.sli_intf.word0)) {
7918 return error;
7919 }
7920
7921 /* There is no SLI3 failback for SLI4 devices. */
7922 if (bf_get(lpfc_sli_intf_valid, &phba->sli4_hba.sli_intf) !=
7923 LPFC_SLI_INTF_VALID) {
7924 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7925 "2894 SLI_INTF reg contents invalid "
7926 "sli_intf reg 0x%x\n",
7927 phba->sli4_hba.sli_intf.word0);
7928 return error;
7929 }
7930
7931 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
7932 /*
7933 * Get the bus address of SLI4 device Bar regions and the
7934 * number of bytes required by each mapping. The mapping of the
7935 * particular PCI BARs regions is dependent on the type of
7936 * SLI4 device.
da0436e9 7937 */
1dfb5a47
JS		 7938 if (pci_resource_start(pdev, 0)) {
7939 phba->pci_bar0_map = pci_resource_start(pdev, 0);
7940 bar0map_len = pci_resource_len(pdev, 0);
2fcee4bf
JS		 7941
7942 /*
7943 * Map SLI4 PCI Config Space Register base to a kernel virtual
7944 * addr
7945 */
7946 phba->sli4_hba.conf_regs_memmap_p =
7947 ioremap(phba->pci_bar0_map, bar0map_len);
7948 if (!phba->sli4_hba.conf_regs_memmap_p) {
7949 dev_printk(KERN_ERR, &pdev->dev,
7950 "ioremap failed for SLI4 PCI config "
7951 "registers.\n");
7952 goto out;
7953 }
7954 /* Set up BAR0 PCI config space register memory map */
7955 lpfc_sli4_bar0_register_memmap(phba, if_type);
1dfb5a47
JS		 7956 } else {
7957 phba->pci_bar0_map = pci_resource_start(pdev, 1);
7958 bar0map_len = pci_resource_len(pdev, 1);
2fcee4bf
JS		 7959 if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
7960 dev_printk(KERN_ERR, &pdev->dev,
7961 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
7962 goto out;
7963 }
7964 phba->sli4_hba.conf_regs_memmap_p =
da0436e9 7965 ioremap(phba->pci_bar0_map, bar0map_len);
2fcee4bf
JS		 7966 if (!phba->sli4_hba.conf_regs_memmap_p) {
7967 dev_printk(KERN_ERR, &pdev->dev,
7968 "ioremap failed for SLI4 PCI config "
7969 "registers.\n");
7970 goto out;
7971 }
7972 lpfc_sli4_bar0_register_memmap(phba, if_type);
da0436e9
JS		 7973 }
7974
c31098ce
JS		 7975 if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
7976 (pci_resource_start(pdev, 2))) {
2fcee4bf
JS		 7977 /*
7978 * Map SLI4 if type 0 HBA Control Register base to a kernel
7979 * virtual address and setup the registers.
7980 */
7981 phba->pci_bar1_map = pci_resource_start(pdev, 2);
7982 bar1map_len = pci_resource_len(pdev, 2);
7983 phba->sli4_hba.ctrl_regs_memmap_p =
da0436e9 7984 ioremap(phba->pci_bar1_map, bar1map_len);
2fcee4bf
JS		 7985 if (!phba->sli4_hba.ctrl_regs_memmap_p) {
7986 dev_printk(KERN_ERR, &pdev->dev,
da0436e9 7987 "ioremap failed for SLI4 HBA control registers.\n");
2fcee4bf
JS		 7988 goto out_iounmap_conf;
7989 }
7990 lpfc_sli4_bar1_register_memmap(phba);
da0436e9
JS		 7991 }
7992
c31098ce
JS		 7993 if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
7994 (pci_resource_start(pdev, 4))) {
2fcee4bf
JS		 7995 /*
7996 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
7997 * virtual address and setup the registers.
7998 */
7999 phba->pci_bar2_map = pci_resource_start(pdev, 4);
8000 bar2map_len = pci_resource_len(pdev, 4);
8001 phba->sli4_hba.drbl_regs_memmap_p =
da0436e9 8002 ioremap(phba->pci_bar2_map, bar2map_len);
2fcee4bf
JS		 8003 if (!phba->sli4_hba.drbl_regs_memmap_p) {
8004 dev_printk(KERN_ERR, &pdev->dev,
da0436e9 8005 "ioremap failed for SLI4 HBA doorbell registers.\n");
2fcee4bf
JS		 8006 goto out_iounmap_ctrl;
8007 }
8008 error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0);
8009 if (error)
8010 goto out_iounmap_all;
da0436e9
JS		 8011 }
8012
da0436e9
JS		 8013 return 0;
8014
8015out_iounmap_all:
8016 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
8017out_iounmap_ctrl:
8018 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
8019out_iounmap_conf:
8020 iounmap(phba->sli4_hba.conf_regs_memmap_p);
8021out:
8022 return error;
8023}
8024
8025/**
8026 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
8027 * @phba: pointer to lpfc hba data structure.
8028 *
8029 * This routine is invoked to unset the PCI device memory space for device
8030 * with SLI-4 interface spec.
8031 **/
8032static void
8033lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba)
8034{
2e90f4b5
JS		 8035 uint32_t if_type;
8036 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
da0436e9 8037
2e90f4b5
JS		 8038 switch (if_type) {
8039 case LPFC_SLI_INTF_IF_TYPE_0:
8040 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
8041 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
8042 iounmap(phba->sli4_hba.conf_regs_memmap_p);
8043 break;
8044 case LPFC_SLI_INTF_IF_TYPE_2:
8045 iounmap(phba->sli4_hba.conf_regs_memmap_p);
8046 break;
8047 case LPFC_SLI_INTF_IF_TYPE_1:
8048 default:
8049 dev_printk(KERN_ERR, &phba->pcidev->dev,
8050 "FATAL - unsupported SLI4 interface type - %d\n",
8051 if_type);
8052 break;
8053 }
da0436e9
JS		 8054}
8055
8056/**
8057 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
8058 * @phba: pointer to lpfc hba data structure.
8059 *
8060 * This routine is invoked to enable the MSI-X interrupt vectors to device
8061 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
8062 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
8063 * invoked, enables either all or nothing, depending on the current
8064 * availability of PCI vector resources. The device driver is responsible
8065 * for calling the individual request_irq() to register each MSI-X vector
8066 * with a interrupt handler, which is done in this function. Note that
8067 * later when device is unloading, the driver should always call free_irq()
8068 * on all MSI-X vectors it has done request_irq() on before calling
8069 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
8070 * will be left with MSI-X enabled and leaks its vectors.
8071 *
8072 * Return codes
af901ca1 8073 * 0 - successful
da0436e9
JS		 8074 * other values - error
8075 **/
8076static int
8077lpfc_sli_enable_msix(struct lpfc_hba *phba)
8078{
8079 int rc, i;
8080 LPFC_MBOXQ_t *pmb;
8081
8082 /* Set up MSI-X multi-message vectors */
8083 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
8084 phba->msix_entries[i].entry = i;
8085
8086 /* Configure MSI-X capability structure */
8087 rc = pci_enable_msix(phba->pcidev, phba->msix_entries,
8088 ARRAY_SIZE(phba->msix_entries));
8089 if (rc) {
8090 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8091 "0420 PCI enable MSI-X failed (%d)\n", rc);
8092 goto msi_fail_out;
8093 }
8094 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
8095 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8096 "0477 MSI-X entry[%d]: vector=x%x "
8097 "message=%d\n", i,
8098 phba->msix_entries[i].vector,
8099 phba->msix_entries[i].entry);
8100 /*
8101 * Assign MSI-X vectors to interrupt handlers
8102 */
8103
8104 /* vector-0 is associated to slow-path handler */
8105 rc = request_irq(phba->msix_entries[0].vector,
8106 &lpfc_sli_sp_intr_handler, IRQF_SHARED,
8107 LPFC_SP_DRIVER_HANDLER_NAME, phba);
8108 if (rc) {
8109 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8110 "0421 MSI-X slow-path request_irq failed "
8111 "(%d)\n", rc);
8112 goto msi_fail_out;
8113 }
8114
8115 /* vector-1 is associated to fast-path handler */
8116 rc = request_irq(phba->msix_entries[1].vector,
8117 &lpfc_sli_fp_intr_handler, IRQF_SHARED,
8118 LPFC_FP_DRIVER_HANDLER_NAME, phba);
8119
8120 if (rc) {
8121 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8122 "0429 MSI-X fast-path request_irq failed "
8123 "(%d)\n", rc);
8124 goto irq_fail_out;
8125 }
8126
8127 /*
8128 * Configure HBA MSI-X attention conditions to messages
8129 */
8130 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
8131
8132 if (!pmb) {
8133 rc = -ENOMEM;
8134 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8135 "0474 Unable to allocate memory for issuing "
8136 "MBOX_CONFIG_MSI command\n");
8137 goto mem_fail_out;
8138 }
8139 rc = lpfc_config_msi(phba, pmb);
8140 if (rc)
8141 goto mbx_fail_out;
8142 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
8143 if (rc != MBX_SUCCESS) {
8144 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
8145 "0351 Config MSI mailbox command failed, "
8146 "mbxCmd x%x, mbxStatus x%x\n",
8147 pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus);
8148 goto mbx_fail_out;
8149 }
8150
8151 /* Free memory allocated for mailbox command */
8152 mempool_free(pmb, phba->mbox_mem_pool);
8153 return rc;
8154
8155mbx_fail_out:
8156 /* Free memory allocated for mailbox command */
8157 mempool_free(pmb, phba->mbox_mem_pool);
8158
8159mem_fail_out:
8160 /* free the irq already requested */
8161 free_irq(phba->msix_entries[1].vector, phba);
8162
8163irq_fail_out:
8164 /* free the irq already requested */
8165 free_irq(phba->msix_entries[0].vector, phba);
8166
8167msi_fail_out:
8168 /* Unconfigure MSI-X capability structure */
8169 pci_disable_msix(phba->pcidev);
8170 return rc;
8171}
8172
8173/**
8174 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
8175 * @phba: pointer to lpfc hba data structure.
8176 *
8177 * This routine is invoked to release the MSI-X vectors and then disable the
8178 * MSI-X interrupt mode to device with SLI-3 interface spec.
8179 **/
8180static void
8181lpfc_sli_disable_msix(struct lpfc_hba *phba)
8182{
8183 int i;
8184
8185 /* Free up MSI-X multi-message vectors */
8186 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
8187 free_irq(phba->msix_entries[i].vector, phba);
8188 /* Disable MSI-X */
8189 pci_disable_msix(phba->pcidev);
8190
8191 return;
8192}
8193
8194/**
8195 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
8196 * @phba: pointer to lpfc hba data structure.
8197 *
8198 * This routine is invoked to enable the MSI interrupt mode to device with
8199 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
8200 * enable the MSI vector. The device driver is responsible for calling the
8201 * request_irq() to register MSI vector with a interrupt the handler, which
8202 * is done in this function.
8203 *
8204 * Return codes
af901ca1 8205 * 0 - successful
da0436e9
JS		 8206 * other values - error
8207 */
8208static int
8209lpfc_sli_enable_msi(struct lpfc_hba *phba)
8210{
8211 int rc;
8212
8213 rc = pci_enable_msi(phba->pcidev);
8214 if (!rc)
8215 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8216 "0462 PCI enable MSI mode success.\n");
8217 else {
8218 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8219 "0471 PCI enable MSI mode failed (%d)\n", rc);
8220 return rc;
8221 }
8222
8223 rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
8224 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8225 if (rc) {
8226 pci_disable_msi(phba->pcidev);
8227 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8228 "0478 MSI request_irq failed (%d)\n", rc);
8229 }
8230 return rc;
8231}
8232
8233/**
8234 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
8235 * @phba: pointer to lpfc hba data structure.
8236 *
8237 * This routine is invoked to disable the MSI interrupt mode to device with
8238 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
8239 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8240 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8241 * its vector.
8242 */
8243static void
8244lpfc_sli_disable_msi(struct lpfc_hba *phba)
8245{
8246 free_irq(phba->pcidev->irq, phba);
8247 pci_disable_msi(phba->pcidev);
8248 return;
8249}
8250
8251/**
8252 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
8253 * @phba: pointer to lpfc hba data structure.
8254 *
8255 * This routine is invoked to enable device interrupt and associate driver's
8256 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
8257 * spec. Depends on the interrupt mode configured to the driver, the driver
8258 * will try to fallback from the configured interrupt mode to an interrupt
8259 * mode which is supported by the platform, kernel, and device in the order
8260 * of:
8261 * MSI-X -> MSI -> IRQ.
8262 *
8263 * Return codes
af901ca1 8264 * 0 - successful
da0436e9
JS		 8265 * other values - error
8266 **/
8267static uint32_t
8268lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
8269{
8270 uint32_t intr_mode = LPFC_INTR_ERROR;
8271 int retval;
8272
8273 if (cfg_mode == 2) {
8274 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
8275 retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3);
8276 if (!retval) {
8277 /* Now, try to enable MSI-X interrupt mode */
8278 retval = lpfc_sli_enable_msix(phba);
8279 if (!retval) {
8280 /* Indicate initialization to MSI-X mode */
8281 phba->intr_type = MSIX;
8282 intr_mode = 2;
8283 }
8284 }
8285 }
8286
8287 /* Fallback to MSI if MSI-X initialization failed */
8288 if (cfg_mode >= 1 && phba->intr_type == NONE) {
8289 retval = lpfc_sli_enable_msi(phba);
8290 if (!retval) {
8291 /* Indicate initialization to MSI mode */
8292 phba->intr_type = MSI;
8293 intr_mode = 1;
8294 }
8295 }
8296
8297 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8298 if (phba->intr_type == NONE) {
8299 retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
8300 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8301 if (!retval) {
8302 /* Indicate initialization to INTx mode */
8303 phba->intr_type = INTx;
8304 intr_mode = 0;
8305 }
8306 }
8307 return intr_mode;
8308}
8309
8310/**
8311 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
8312 * @phba: pointer to lpfc hba data structure.
8313 *
8314 * This routine is invoked to disable device interrupt and disassociate the
8315 * driver's interrupt handler(s) from interrupt vector(s) to device with
8316 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
8317 * release the interrupt vector(s) for the message signaled interrupt.
8318 **/
8319static void
8320lpfc_sli_disable_intr(struct lpfc_hba *phba)
8321{
8322 /* Disable the currently initialized interrupt mode */
8323 if (phba->intr_type == MSIX)
8324 lpfc_sli_disable_msix(phba);
8325 else if (phba->intr_type == MSI)
8326 lpfc_sli_disable_msi(phba);
8327 else if (phba->intr_type == INTx)
8328 free_irq(phba->pcidev->irq, phba);
8329
8330 /* Reset interrupt management states */
8331 phba->intr_type = NONE;
8332 phba->sli.slistat.sli_intr = 0;
8333
8334 return;
8335}
8336
7bb03bbf
JS		 8337/**
8338 * lpfc_find_next_cpu - Find next available CPU that matches the phys_id
8339 * @phba: pointer to lpfc hba data structure.
8340 *
8341 * Find next available CPU to use for IRQ to CPU affinity.
8342 */
8343static int
8344lpfc_find_next_cpu(struct lpfc_hba *phba, uint32_t phys_id)
8345{
8346 struct lpfc_vector_map_info *cpup;
8347 int cpu;
8348
8349 cpup = phba->sli4_hba.cpu_map;
8350 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
8351 /* CPU must be online */
8352 if (cpu_online(cpu)) {
8353 if ((cpup->irq == LPFC_VECTOR_MAP_EMPTY) &&
8354 (lpfc_used_cpu[cpu] == LPFC_VECTOR_MAP_EMPTY) &&
8355 (cpup->phys_id == phys_id)) {
8356 return cpu;
8357 }
8358 }
8359 cpup++;
8360 }
8361
8362 /*
8363 * If we get here, we have used ALL CPUs for the specific
8364 * phys_id. Now we need to clear out lpfc_used_cpu and start
8365 * reusing CPUs.
8366 */
8367
8368 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
8369 if (lpfc_used_cpu[cpu] == phys_id)
8370 lpfc_used_cpu[cpu] = LPFC_VECTOR_MAP_EMPTY;
8371 }
8372
8373 cpup = phba->sli4_hba.cpu_map;
8374 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
8375 /* CPU must be online */
8376 if (cpu_online(cpu)) {
8377 if ((cpup->irq == LPFC_VECTOR_MAP_EMPTY) &&
8378 (cpup->phys_id == phys_id)) {
8379 return cpu;
8380 }
8381 }
8382 cpup++;
8383 }
8384 return LPFC_VECTOR_MAP_EMPTY;
8385}
8386
8387/**
8388 * lpfc_sli4_set_affinity - Set affinity for HBA IRQ vectors
8389 * @phba: pointer to lpfc hba data structure.
8390 * @vectors: number of HBA vectors
8391 *
8392 * Affinitize MSIX IRQ vectors to CPUs. Try to equally spread vector
8393 * affinization across multple physical CPUs (numa nodes).
8394 * In addition, this routine will assign an IO channel for each CPU
8395 * to use when issuing I/Os.
8396 */
8397static int
8398lpfc_sli4_set_affinity(struct lpfc_hba *phba, int vectors)
8399{
8400 int i, idx, saved_chann, used_chann, cpu, phys_id;
8401 int max_phys_id, num_io_channel, first_cpu;
8402 struct lpfc_vector_map_info *cpup;
8403#ifdef CONFIG_X86
8404 struct cpuinfo_x86 *cpuinfo;
8405#endif
8406 struct cpumask *mask;
8407 uint8_t chann[LPFC_FCP_IO_CHAN_MAX+1];
8408
8409 /* If there is no mapping, just return */
8410 if (!phba->cfg_fcp_cpu_map)
8411 return 1;
8412
8413 /* Init cpu_map array */
8414 memset(phba->sli4_hba.cpu_map, 0xff,
8415 (sizeof(struct lpfc_vector_map_info) *
8416 phba->sli4_hba.num_present_cpu));
8417
8418 max_phys_id = 0;
8419 phys_id = 0;
8420 num_io_channel = 0;
8421 first_cpu = LPFC_VECTOR_MAP_EMPTY;
8422
8423 /* Update CPU map with physical id and core id of each CPU */
8424 cpup = phba->sli4_hba.cpu_map;
8425 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
8426#ifdef CONFIG_X86
8427 cpuinfo = &cpu_data(cpu);
8428 cpup->phys_id = cpuinfo->phys_proc_id;
8429 cpup->core_id = cpuinfo->cpu_core_id;
8430#else
8431 /* No distinction between CPUs for other platforms */
8432 cpup->phys_id = 0;
8433 cpup->core_id = 0;
8434#endif
8435
8436 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8437 "3328 CPU physid %d coreid %d\n",
8438 cpup->phys_id, cpup->core_id);
8439
8440 if (cpup->phys_id > max_phys_id)
8441 max_phys_id = cpup->phys_id;
8442 cpup++;
8443 }
8444
8445 /* Now associate the HBA vectors with specific CPUs */
8446 for (idx = 0; idx < vectors; idx++) {
8447 cpup = phba->sli4_hba.cpu_map;
8448 cpu = lpfc_find_next_cpu(phba, phys_id);
8449 if (cpu == LPFC_VECTOR_MAP_EMPTY) {
8450
8451 /* Try for all phys_id's */
8452 for (i = 1; i < max_phys_id; i++) {
8453 phys_id++;
8454 if (phys_id > max_phys_id)
8455 phys_id = 0;
8456 cpu = lpfc_find_next_cpu(phba, phys_id);
8457 if (cpu == LPFC_VECTOR_MAP_EMPTY)
8458 continue;
8459 goto found;
8460 }
8461
8462 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8463 "3329 Cannot set affinity:"
8464 "Error mapping vector %d (%d)\n",
8465 idx, vectors);
8466 return 0;
8467 }
8468found:
8469 cpup += cpu;
8470 if (phba->cfg_fcp_cpu_map == LPFC_DRIVER_CPU_MAP)
8471 lpfc_used_cpu[cpu] = phys_id;
8472
8473 /* Associate vector with selected CPU */
8474 cpup->irq = phba->sli4_hba.msix_entries[idx].vector;
8475
8476 /* Associate IO channel with selected CPU */
8477 cpup->channel_id = idx;
8478 num_io_channel++;
8479
8480 if (first_cpu == LPFC_VECTOR_MAP_EMPTY)
8481 first_cpu = cpu;
8482
8483 /* Now affinitize to the selected CPU */
8484 mask = &cpup->maskbits;
8485 cpumask_clear(mask);
8486 cpumask_set_cpu(cpu, mask);
8487 i = irq_set_affinity_hint(phba->sli4_hba.msix_entries[idx].
8488 vector, mask);
8489
8490 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8491 "3330 Set Affinity: CPU %d channel %d "
8492 "irq %d (%x)\n",
8493 cpu, cpup->channel_id,
8494 phba->sli4_hba.msix_entries[idx].vector, i);
8495
8496 /* Spread vector mapping across multple physical CPU nodes */
8497 phys_id++;
8498 if (phys_id > max_phys_id)
8499 phys_id = 0;
8500 }
8501
8502 /*
8503 * Finally fill in the IO channel for any remaining CPUs.
8504 * At this point, all IO channels have been assigned to a specific
8505 * MSIx vector, mapped to a specific CPU.
8506 * Base the remaining IO channel assigned, to IO channels already
8507 * assigned to other CPUs on the same phys_id.
8508 */
8509 for (i = 0; i <= max_phys_id; i++) {
8510 /*
8511 * If there are no io channels already mapped to
8512 * this phys_id, just round robin thru the io_channels.
8513 * Setup chann[] for round robin.
8514 */
8515 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++)
8516 chann[idx] = idx;
8517
8518 saved_chann = 0;
8519 used_chann = 0;
8520
8521 /*
8522 * First build a list of IO channels already assigned
8523 * to this phys_id before reassigning the same IO
8524 * channels to the remaining CPUs.
8525 */
8526 cpup = phba->sli4_hba.cpu_map;
8527 cpu = first_cpu;
8528 cpup += cpu;
8529 for (idx = 0; idx < phba->sli4_hba.num_present_cpu;
8530 idx++) {
8531 if (cpup->phys_id == i) {
8532 /*
8533 * Save any IO channels that are
8534 * already mapped to this phys_id.
8535 */
8536 if (cpup->irq != LPFC_VECTOR_MAP_EMPTY) {
8537 chann[saved_chann] =
8538 cpup->channel_id;
8539 saved_chann++;
8540 goto out;
8541 }
8542
8543 /* See if we are using round-robin */
8544 if (saved_chann == 0)
8545 saved_chann =
8546 phba->cfg_fcp_io_channel;
8547
8548 /* Associate next IO channel with CPU */
8549 cpup->channel_id = chann[used_chann];
8550 num_io_channel++;
8551 used_chann++;
8552 if (used_chann == saved_chann)
8553 used_chann = 0;
8554
8555 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8556 "3331 Set IO_CHANN "
8557 "CPU %d channel %d\n",
8558 idx, cpup->channel_id);
8559 }
8560out:
8561 cpu++;
8562 if (cpu >= phba->sli4_hba.num_present_cpu) {
8563 cpup = phba->sli4_hba.cpu_map;
8564 cpu = 0;
8565 } else {
8566 cpup++;
8567 }
8568 }
8569 }
8570
8571 if (phba->sli4_hba.num_online_cpu != phba->sli4_hba.num_present_cpu) {
8572 cpup = phba->sli4_hba.cpu_map;
8573 for (idx = 0; idx < phba->sli4_hba.num_present_cpu; idx++) {
8574 if (cpup->channel_id == LPFC_VECTOR_MAP_EMPTY) {
8575 cpup->channel_id = 0;
8576 num_io_channel++;
8577
8578 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8579 "3332 Assign IO_CHANN "
8580 "CPU %d channel %d\n",
8581 idx, cpup->channel_id);
8582 }
8583 cpup++;
8584 }
8585 }
8586
8587 /* Sanity check */
8588 if (num_io_channel != phba->sli4_hba.num_present_cpu)
8589 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8590 "3333 Set affinity mismatch:"
8591 "%d chann != %d cpus: %d vactors\n",
8592 num_io_channel, phba->sli4_hba.num_present_cpu,
8593 vectors);
8594
8595 phba->cfg_fcp_io_sched = LPFC_FCP_SCHED_BY_CPU;
8596 return 1;
8597}
8598
8599
da0436e9
JS		 8600/**
8601 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
8602 * @phba: pointer to lpfc hba data structure.
8603 *
8604 * This routine is invoked to enable the MSI-X interrupt vectors to device
8605 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
8606 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
8607 * enables either all or nothing, depending on the current availability of
8608 * PCI vector resources. The device driver is responsible for calling the
8609 * individual request_irq() to register each MSI-X vector with a interrupt
8610 * handler, which is done in this function. Note that later when device is
8611 * unloading, the driver should always call free_irq() on all MSI-X vectors
8612 * it has done request_irq() on before calling pci_disable_msix(). Failure
8613 * to do so results in a BUG_ON() and a device will be left with MSI-X
8614 * enabled and leaks its vectors.
8615 *
8616 * Return codes
af901ca1 8617 * 0 - successful
da0436e9
JS		 8618 * other values - error
8619 **/
8620static int
8621lpfc_sli4_enable_msix(struct lpfc_hba *phba)
8622{
75baf696 8623 int vectors, rc, index;
da0436e9
JS		 8624
8625 /* Set up MSI-X multi-message vectors */
82c3e9ba 8626 for (index = 0; index < phba->cfg_fcp_io_channel; index++)
da0436e9
JS		 8627 phba->sli4_hba.msix_entries[index].entry = index;
8628
8629 /* Configure MSI-X capability structure */
82c3e9ba 8630 vectors = phba->cfg_fcp_io_channel;
75baf696 8631enable_msix_vectors:
da0436e9 8632 rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries,
75baf696
JS		 8633 vectors);
8634 if (rc > 1) {
8635 vectors = rc;
8636 goto enable_msix_vectors;
8637 } else if (rc) {
da0436e9
JS		 8638 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8639 "0484 PCI enable MSI-X failed (%d)\n", rc);
8640 goto msi_fail_out;
8641 }
75baf696 8642
da0436e9 8643 /* Log MSI-X vector assignment */
75baf696 8644 for (index = 0; index < vectors; index++)
da0436e9
JS		 8645 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8646 "0489 MSI-X entry[%d]: vector=x%x "
8647 "message=%d\n", index,
8648 phba->sli4_hba.msix_entries[index].vector,
8649 phba->sli4_hba.msix_entries[index].entry);
67d12733 8650
7bb03bbf 8651 /* Assign MSI-X vectors to interrupt handlers */
67d12733 8652 for (index = 0; index < vectors; index++) {
4305f183
JS		 8653 memset(&phba->sli4_hba.handler_name[index], 0, 16);
8654 sprintf((char *)&phba->sli4_hba.handler_name[index],
8655 LPFC_DRIVER_HANDLER_NAME"%d", index);
da0436e9 8656
67d12733
JS		 8657 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8658 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
ba20c853 8659 atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].fcp_eq_in_use, 1);
da0436e9 8660 rc = request_irq(phba->sli4_hba.msix_entries[index].vector,
67d12733 8661 &lpfc_sli4_hba_intr_handler, IRQF_SHARED,
4305f183 8662 (char *)&phba->sli4_hba.handler_name[index],
67d12733 8663 &phba->sli4_hba.fcp_eq_hdl[index]);
da0436e9
JS		 8664 if (rc) {
8665 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8666 "0486 MSI-X fast-path (%d) "
8667 "request_irq failed (%d)\n", index, rc);
8668 goto cfg_fail_out;
8669 }
8670 }
8671
82c3e9ba
JS		 8672 if (vectors != phba->cfg_fcp_io_channel) {
8673 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8674 "3238 Reducing IO channels to match number of "
8675 "MSI-X vectors, requested %d got %d\n",
8676 phba->cfg_fcp_io_channel, vectors);
8677 phba->cfg_fcp_io_channel = vectors;
8678 }
7bb03bbf
JS		 8679
8680 lpfc_sli4_set_affinity(phba, vectors);
da0436e9
JS		 8681 return rc;
8682
8683cfg_fail_out:
8684 /* free the irq already requested */
67d12733
JS		 8685 for (--index; index >= 0; index--)
8686 free_irq(phba->sli4_hba.msix_entries[index].vector,
8687 &phba->sli4_hba.fcp_eq_hdl[index]);
da0436e9
JS		 8688
8689msi_fail_out:
8690 /* Unconfigure MSI-X capability structure */
8691 pci_disable_msix(phba->pcidev);
8692 return rc;
8693}
8694
8695/**
8696 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
8697 * @phba: pointer to lpfc hba data structure.
8698 *
8699 * This routine is invoked to release the MSI-X vectors and then disable the
8700 * MSI-X interrupt mode to device with SLI-4 interface spec.
8701 **/
8702static void
8703lpfc_sli4_disable_msix(struct lpfc_hba *phba)
8704{
8705 int index;
8706
8707 /* Free up MSI-X multi-message vectors */
82c3e9ba 8708 for (index = 0; index < phba->cfg_fcp_io_channel; index++)
da0436e9 8709 free_irq(phba->sli4_hba.msix_entries[index].vector,
67d12733 8710 &phba->sli4_hba.fcp_eq_hdl[index]);
75baf696 8711
da0436e9
JS		 8712 /* Disable MSI-X */
8713 pci_disable_msix(phba->pcidev);
8714
8715 return;
8716}
8717
8718/**
8719 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
8720 * @phba: pointer to lpfc hba data structure.
8721 *
8722 * This routine is invoked to enable the MSI interrupt mode to device with
8723 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
8724 * to enable the MSI vector. The device driver is responsible for calling
8725 * the request_irq() to register MSI vector with a interrupt the handler,
8726 * which is done in this function.
8727 *
8728 * Return codes
af901ca1 8729 * 0 - successful
da0436e9
JS		 8730 * other values - error
8731 **/
8732static int
8733lpfc_sli4_enable_msi(struct lpfc_hba *phba)
8734{
8735 int rc, index;
8736
8737 rc = pci_enable_msi(phba->pcidev);
8738 if (!rc)
8739 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8740 "0487 PCI enable MSI mode success.\n");
8741 else {
8742 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8743 "0488 PCI enable MSI mode failed (%d)\n", rc);
8744 return rc;
8745 }
8746
8747 rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
8748 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8749 if (rc) {
8750 pci_disable_msi(phba->pcidev);
8751 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8752 "0490 MSI request_irq failed (%d)\n", rc);
75baf696 8753 return rc;
da0436e9
JS		 8754 }
8755
67d12733 8756 for (index = 0; index < phba->cfg_fcp_io_channel; index++) {
da0436e9
JS		 8757 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8758 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
8759 }
8760
75baf696 8761 return 0;
da0436e9
JS		 8762}
8763
8764/**
8765 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
8766 * @phba: pointer to lpfc hba data structure.
8767 *
8768 * This routine is invoked to disable the MSI interrupt mode to device with
8769 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
8770 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8771 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8772 * its vector.
8773 **/
8774static void
8775lpfc_sli4_disable_msi(struct lpfc_hba *phba)
8776{
8777 free_irq(phba->pcidev->irq, phba);
8778 pci_disable_msi(phba->pcidev);
8779 return;
8780}
8781
8782/**
8783 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
8784 * @phba: pointer to lpfc hba data structure.
8785 *
8786 * This routine is invoked to enable device interrupt and associate driver's
8787 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
8788 * interface spec. Depends on the interrupt mode configured to the driver,
8789 * the driver will try to fallback from the configured interrupt mode to an
8790 * interrupt mode which is supported by the platform, kernel, and device in
8791 * the order of:
8792 * MSI-X -> MSI -> IRQ.
8793 *
8794 * Return codes
af901ca1 8795 * 0 - successful
da0436e9
JS		 8796 * other values - error
8797 **/
8798static uint32_t
8799lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
8800{
8801 uint32_t intr_mode = LPFC_INTR_ERROR;
8802 int retval, index;
8803
8804 if (cfg_mode == 2) {
8805 /* Preparation before conf_msi mbox cmd */
8806 retval = 0;
8807 if (!retval) {
8808 /* Now, try to enable MSI-X interrupt mode */
8809 retval = lpfc_sli4_enable_msix(phba);
8810 if (!retval) {
8811 /* Indicate initialization to MSI-X mode */
8812 phba->intr_type = MSIX;
8813 intr_mode = 2;
8814 }
8815 }
8816 }
8817
8818 /* Fallback to MSI if MSI-X initialization failed */
8819 if (cfg_mode >= 1 && phba->intr_type == NONE) {
8820 retval = lpfc_sli4_enable_msi(phba);
8821 if (!retval) {
8822 /* Indicate initialization to MSI mode */
8823 phba->intr_type = MSI;
8824 intr_mode = 1;
8825 }
8826 }
8827
8828 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8829 if (phba->intr_type == NONE) {
8830 retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
8831 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8832 if (!retval) {
8833 /* Indicate initialization to INTx mode */
8834 phba->intr_type = INTx;
8835 intr_mode = 0;
67d12733 8836 for (index = 0; index < phba->cfg_fcp_io_channel;
da0436e9
JS		 8837 index++) {
8838 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8839 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
ba20c853
JS		 8840 atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].
8841 fcp_eq_in_use, 1);
da0436e9
JS		 8842 }
8843 }
8844 }
8845 return intr_mode;
8846}
8847
8848/**
8849 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
8850 * @phba: pointer to lpfc hba data structure.
8851 *
8852 * This routine is invoked to disable device interrupt and disassociate
8853 * the driver's interrupt handler(s) from interrupt vector(s) to device
8854 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
8855 * will release the interrupt vector(s) for the message signaled interrupt.
8856 **/
8857static void
8858lpfc_sli4_disable_intr(struct lpfc_hba *phba)
8859{
8860 /* Disable the currently initialized interrupt mode */
8861 if (phba->intr_type == MSIX)
8862 lpfc_sli4_disable_msix(phba);
8863 else if (phba->intr_type == MSI)
8864 lpfc_sli4_disable_msi(phba);
8865 else if (phba->intr_type == INTx)
8866 free_irq(phba->pcidev->irq, phba);
8867
8868 /* Reset interrupt management states */
8869 phba->intr_type = NONE;
8870 phba->sli.slistat.sli_intr = 0;
8871
8872 return;
8873}
8874
8875/**
8876 * lpfc_unset_hba - Unset SLI3 hba device initialization
8877 * @phba: pointer to lpfc hba data structure.
8878 *
8879 * This routine is invoked to unset the HBA device initialization steps to
8880 * a device with SLI-3 interface spec.
8881 **/
8882static void
8883lpfc_unset_hba(struct lpfc_hba *phba)
8884{
8885 struct lpfc_vport *vport = phba->pport;
8886 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
8887
8888 spin_lock_irq(shost->host_lock);
8889 vport->load_flag |= FC_UNLOADING;
8890 spin_unlock_irq(shost->host_lock);
8891
72859909
JS		 8892 kfree(phba->vpi_bmask);
8893 kfree(phba->vpi_ids);
8894
da0436e9
JS		 8895 lpfc_stop_hba_timers(phba);
8896
8897 phba->pport->work_port_events = 0;
8898
8899 lpfc_sli_hba_down(phba);
8900
8901 lpfc_sli_brdrestart(phba);
8902
8903 lpfc_sli_disable_intr(phba);
8904
8905 return;
8906}
8907
5af5eee7
JS		 8908/**
8909 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
8910 * @phba: Pointer to HBA context object.
8911 *
8912 * This function is called in the SLI4 code path to wait for completion
8913 * of device's XRIs exchange busy. It will check the XRI exchange busy
8914 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
8915 * that, it will check the XRI exchange busy on outstanding FCP and ELS
8916 * I/Os every 30 seconds, log error message, and wait forever. Only when
8917 * all XRI exchange busy complete, the driver unload shall proceed with
8918 * invoking the function reset ioctl mailbox command to the CNA and the
8919 * the rest of the driver unload resource release.
8920 **/
8921static void
8922lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba)
8923{
8924 int wait_time = 0;
8925 int fcp_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
8926 int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
8927
8928 while (!fcp_xri_cmpl || !els_xri_cmpl) {
8929 if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) {
8930 if (!fcp_xri_cmpl)
8931 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8932 "2877 FCP XRI exchange busy "
8933 "wait time: %d seconds.\n",
8934 wait_time/1000);
8935 if (!els_xri_cmpl)
8936 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8937 "2878 ELS XRI exchange busy "
8938 "wait time: %d seconds.\n",
8939 wait_time/1000);
8940 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2);
8941 wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2;
8942 } else {
8943 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1);
8944 wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1;
8945 }
8946 fcp_xri_cmpl =
8947 list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
8948 els_xri_cmpl =
8949 list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
8950 }
8951}
8952
da0436e9
JS		 8953/**
8954 * lpfc_sli4_hba_unset - Unset the fcoe hba
8955 * @phba: Pointer to HBA context object.
8956 *
8957 * This function is called in the SLI4 code path to reset the HBA's FCoE
8958 * function. The caller is not required to hold any lock. This routine
8959 * issues PCI function reset mailbox command to reset the FCoE function.
8960 * At the end of the function, it calls lpfc_hba_down_post function to
8961 * free any pending commands.
8962 **/
8963static void
8964lpfc_sli4_hba_unset(struct lpfc_hba *phba)
8965{
8966 int wait_cnt = 0;
8967 LPFC_MBOXQ_t *mboxq;
912e3acd 8968 struct pci_dev *pdev = phba->pcidev;
da0436e9
JS		 8969
8970 lpfc_stop_hba_timers(phba);
8971 phba->sli4_hba.intr_enable = 0;
8972
8973 /*
8974 * Gracefully wait out the potential current outstanding asynchronous
8975 * mailbox command.
8976 */
8977
8978 /* First, block any pending async mailbox command from posted */
8979 spin_lock_irq(&phba->hbalock);
8980 phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK;
8981 spin_unlock_irq(&phba->hbalock);
8982 /* Now, trying to wait it out if we can */
8983 while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
8984 msleep(10);
8985 if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT)
8986 break;
8987 }
8988 /* Forcefully release the outstanding mailbox command if timed out */
8989 if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
8990 spin_lock_irq(&phba->hbalock);
8991 mboxq = phba->sli.mbox_active;
8992 mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED;
8993 __lpfc_mbox_cmpl_put(phba, mboxq);
8994 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
8995 phba->sli.mbox_active = NULL;
8996 spin_unlock_irq(&phba->hbalock);
8997 }
8998
5af5eee7
JS		 8999 /* Abort all iocbs associated with the hba */
9000 lpfc_sli_hba_iocb_abort(phba);
9001
9002 /* Wait for completion of device XRI exchange busy */
9003 lpfc_sli4_xri_exchange_busy_wait(phba);
9004
da0436e9
JS		 9005 /* Disable PCI subsystem interrupt */
9006 lpfc_sli4_disable_intr(phba);
9007
912e3acd
JS		 9008 /* Disable SR-IOV if enabled */
9009 if (phba->cfg_sriov_nr_virtfn)
9010 pci_disable_sriov(pdev);
9011
da0436e9
JS		 9012 /* Stop kthread signal shall trigger work_done one more time */
9013 kthread_stop(phba->worker_thread);
9014
3677a3a7
JS		 9015 /* Reset SLI4 HBA FCoE function */
9016 lpfc_pci_function_reset(phba);
5350d872 9017 lpfc_sli4_queue_destroy(phba);
3677a3a7 9018
da0436e9
JS		 9019 /* Stop the SLI4 device port */
9020 phba->pport->work_port_events = 0;
9021}
9022
28baac74
JS		 9023 /**
9024 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
9025 * @phba: Pointer to HBA context object.
9026 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
9027 *
9028 * This function is called in the SLI4 code path to read the port's
9029 * sli4 capabilities.
9030 *
9031 * This function may be be called from any context that can block-wait
9032 * for the completion. The expectation is that this routine is called
9033 * typically from probe_one or from the online routine.
9034 **/
9035int
9036lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
9037{
9038 int rc;
9039 struct lpfc_mqe *mqe;
9040 struct lpfc_pc_sli4_params *sli4_params;
9041 uint32_t mbox_tmo;
9042
9043 rc = 0;
9044 mqe = &mboxq->u.mqe;
9045
9046 /* Read the port's SLI4 Parameters port capabilities */
fedd3b7b 9047 lpfc_pc_sli4_params(mboxq);
28baac74
JS		 9048 if (!phba->sli4_hba.intr_enable)
9049 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
9050 else {
a183a15f 9051 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
28baac74
JS		 9052 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
9053 }
9054
9055 if (unlikely(rc))
9056 return 1;
9057
9058 sli4_params = &phba->sli4_hba.pc_sli4_params;
9059 sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params);
9060 sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params);
9061 sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params);
9062 sli4_params->featurelevel_1 = bf_get(featurelevel_1,
9063 &mqe->un.sli4_params);
9064 sli4_params->featurelevel_2 = bf_get(featurelevel_2,
9065 &mqe->un.sli4_params);
9066 sli4_params->proto_types = mqe->un.sli4_params.word3;
9067 sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len;
9068 sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params);
9069 sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params);
9070 sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params);
9071 sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params);
9072 sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params);
9073 sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params);
9074 sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params);
9075 sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params);
9076 sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params);
9077 sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params);
9078 sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params);
9079 sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params);
9080 sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params);
9081 sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params);
9082 sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params);
9083 sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params);
9084 sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params);
9085 sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params);
9086 sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params);
0558056c
JS		 9087
9088 /* Make sure that sge_supp_len can be handled by the driver */
9089 if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
9090 sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
9091
28baac74
JS		 9092 return rc;
9093}
9094
fedd3b7b
JS		 9095/**
9096 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
9097 * @phba: Pointer to HBA context object.
9098 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
9099 *
9100 * This function is called in the SLI4 code path to read the port's
9101 * sli4 capabilities.
9102 *
9103 * This function may be be called from any context that can block-wait
9104 * for the completion. The expectation is that this routine is called
9105 * typically from probe_one or from the online routine.
9106 **/
9107int
9108lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
9109{
9110 int rc;
9111 struct lpfc_mqe *mqe = &mboxq->u.mqe;
9112 struct lpfc_pc_sli4_params *sli4_params;
a183a15f 9113 uint32_t mbox_tmo;
fedd3b7b
JS		 9114 int length;
9115 struct lpfc_sli4_parameters *mbx_sli4_parameters;
9116
6d368e53
JS		 9117 /*
9118 * By default, the driver assumes the SLI4 port requires RPI
9119 * header postings. The SLI4_PARAM response will correct this
9120 * assumption.
9121 */
9122 phba->sli4_hba.rpi_hdrs_in_use = 1;
9123
fedd3b7b
JS		 9124 /* Read the port's SLI4 Config Parameters */
9125 length = (sizeof(struct lpfc_mbx_get_sli4_parameters) -
9126 sizeof(struct lpfc_sli4_cfg_mhdr));
9127 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
9128 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS,
9129 length, LPFC_SLI4_MBX_EMBED);
9130 if (!phba->sli4_hba.intr_enable)
9131 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
a183a15f
JS		 9132 else {
9133 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
9134 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
9135 }
fedd3b7b
JS		 9136 if (unlikely(rc))
9137 return rc;
9138 sli4_params = &phba->sli4_hba.pc_sli4_params;
9139 mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters;
9140 sli4_params->if_type = bf_get(cfg_if_type, mbx_sli4_parameters);
9141 sli4_params->sli_rev = bf_get(cfg_sli_rev, mbx_sli4_parameters);
9142 sli4_params->sli_family = bf_get(cfg_sli_family, mbx_sli4_parameters);
9143 sli4_params->featurelevel_1 = bf_get(cfg_sli_hint_1,
9144 mbx_sli4_parameters);
9145 sli4_params->featurelevel_2 = bf_get(cfg_sli_hint_2,
9146 mbx_sli4_parameters);
9147 if (bf_get(cfg_phwq, mbx_sli4_parameters))
9148 phba->sli3_options |= LPFC_SLI4_PHWQ_ENABLED;
9149 else
9150 phba->sli3_options &= ~LPFC_SLI4_PHWQ_ENABLED;
9151 sli4_params->sge_supp_len = mbx_sli4_parameters->sge_supp_len;
9152 sli4_params->loopbk_scope = bf_get(loopbk_scope, mbx_sli4_parameters);
9153 sli4_params->cqv = bf_get(cfg_cqv, mbx_sli4_parameters);
9154 sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters);
9155 sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters);
9156 sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters);
9157 sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt,
9158 mbx_sli4_parameters);
9159 sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align,
9160 mbx_sli4_parameters);
6d368e53
JS		 9161 phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters);
9162 phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters);
0558056c
JS		 9163
9164 /* Make sure that sge_supp_len can be handled by the driver */
9165 if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
9166 sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
9167
fedd3b7b
JS		 9168 return 0;
9169}
9170
da0436e9
JS		 9171/**
9172 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
9173 * @pdev: pointer to PCI device
9174 * @pid: pointer to PCI device identifier
9175 *
9176 * This routine is to be called to attach a device with SLI-3 interface spec
9177 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
9178 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
9179 * information of the device and driver to see if the driver state that it can
9180 * support this kind of device. If the match is successful, the driver core
9181 * invokes this routine. If this routine determines it can claim the HBA, it
9182 * does all the initialization that it needs to do to handle the HBA properly.
9183 *
9184 * Return code
9185 * 0 - driver can claim the device
9186 * negative value - driver can not claim the device
9187 **/
6f039790 9188static int
da0436e9
JS		 9189lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid)
9190{
9191 struct lpfc_hba *phba;
9192 struct lpfc_vport *vport = NULL;
6669f9bb 9193 struct Scsi_Host *shost = NULL;
da0436e9
JS		 9194 int error;
9195 uint32_t cfg_mode, intr_mode;
9196
9197 /* Allocate memory for HBA structure */
9198 phba = lpfc_hba_alloc(pdev);
9199 if (!phba)
9200 return -ENOMEM;
9201
9202 /* Perform generic PCI device enabling operation */
9203 error = lpfc_enable_pci_dev(phba);
079b5c91 9204 if (error)
da0436e9 9205 goto out_free_phba;
da0436e9
JS		 9206
9207 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
9208 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP);
9209 if (error)
9210 goto out_disable_pci_dev;
9211
9212 /* Set up SLI-3 specific device PCI memory space */
9213 error = lpfc_sli_pci_mem_setup(phba);
9214 if (error) {
9215 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9216 "1402 Failed to set up pci memory space.\n");
9217 goto out_disable_pci_dev;
9218 }
9219
9220 /* Set up phase-1 common device driver resources */
9221 error = lpfc_setup_driver_resource_phase1(phba);
9222 if (error) {
9223 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9224 "1403 Failed to set up driver resource.\n");
9225 goto out_unset_pci_mem_s3;
9226 }
9227
9228 /* Set up SLI-3 specific device driver resources */
9229 error = lpfc_sli_driver_resource_setup(phba);
9230 if (error) {
9231 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9232 "1404 Failed to set up driver resource.\n");
9233 goto out_unset_pci_mem_s3;
9234 }
9235
9236 /* Initialize and populate the iocb list per host */
9237 error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT);
9238 if (error) {
9239 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9240 "1405 Failed to initialize iocb list.\n");
9241 goto out_unset_driver_resource_s3;
9242 }
9243
9244 /* Set up common device driver resources */
9245 error = lpfc_setup_driver_resource_phase2(phba);
9246 if (error) {
9247 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9248 "1406 Failed to set up driver resource.\n");
9249 goto out_free_iocb_list;
9250 }
9251
079b5c91
JS		 9252 /* Get the default values for Model Name and Description */
9253 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
9254
da0436e9
JS		 9255 /* Create SCSI host to the physical port */
9256 error = lpfc_create_shost(phba);
9257 if (error) {
9258 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9259 "1407 Failed to create scsi host.\n");
9260 goto out_unset_driver_resource;
9261 }
9262
9263 /* Configure sysfs attributes */
9264 vport = phba->pport;
9265 error = lpfc_alloc_sysfs_attr(vport);
9266 if (error) {
9267 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9268 "1476 Failed to allocate sysfs attr\n");
9269 goto out_destroy_shost;
9270 }
9271
6669f9bb 9272 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
da0436e9
JS		 9273 /* Now, trying to enable interrupt and bring up the device */
9274 cfg_mode = phba->cfg_use_msi;
9275 while (true) {
9276 /* Put device to a known state before enabling interrupt */
9277 lpfc_stop_port(phba);
9278 /* Configure and enable interrupt */
9279 intr_mode = lpfc_sli_enable_intr(phba, cfg_mode);
9280 if (intr_mode == LPFC_INTR_ERROR) {
9281 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9282 "0431 Failed to enable interrupt.\n");
9283 error = -ENODEV;
9284 goto out_free_sysfs_attr;
9285 }
9286 /* SLI-3 HBA setup */
9287 if (lpfc_sli_hba_setup(phba)) {
9288 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9289 "1477 Failed to set up hba\n");
9290 error = -ENODEV;
9291 goto out_remove_device;
9292 }
9293
9294 /* Wait 50ms for the interrupts of previous mailbox commands */
9295 msleep(50);
9296 /* Check active interrupts on message signaled interrupts */
9297 if (intr_mode == 0 ||
9298 phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) {
9299 /* Log the current active interrupt mode */
9300 phba->intr_mode = intr_mode;
9301 lpfc_log_intr_mode(phba, intr_mode);
9302 break;
9303 } else {
9304 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9305 "0447 Configure interrupt mode (%d) "
9306 "failed active interrupt test.\n",
9307 intr_mode);
9308 /* Disable the current interrupt mode */
9309 lpfc_sli_disable_intr(phba);
9310 /* Try next level of interrupt mode */
9311 cfg_mode = --intr_mode;
9312 }
9313 }
9314
9315 /* Perform post initialization setup */
9316 lpfc_post_init_setup(phba);
9317
9318 /* Check if there are static vports to be created. */
9319 lpfc_create_static_vport(phba);
9320
9321 return 0;
9322
9323out_remove_device:
9324 lpfc_unset_hba(phba);
9325out_free_sysfs_attr:
9326 lpfc_free_sysfs_attr(vport);
9327out_destroy_shost:
9328 lpfc_destroy_shost(phba);
9329out_unset_driver_resource:
9330 lpfc_unset_driver_resource_phase2(phba);
9331out_free_iocb_list:
9332 lpfc_free_iocb_list(phba);
9333out_unset_driver_resource_s3:
9334 lpfc_sli_driver_resource_unset(phba);
9335out_unset_pci_mem_s3:
9336 lpfc_sli_pci_mem_unset(phba);
9337out_disable_pci_dev:
9338 lpfc_disable_pci_dev(phba);
6669f9bb
JS		 9339 if (shost)
9340 scsi_host_put(shost);
da0436e9
JS		 9341out_free_phba:
9342 lpfc_hba_free(phba);
9343 return error;
9344}
9345
9346/**
9347 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
9348 * @pdev: pointer to PCI device
9349 *
9350 * This routine is to be called to disattach a device with SLI-3 interface
9351 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
9352 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9353 * device to be removed from the PCI subsystem properly.
9354 **/
6f039790 9355static void
da0436e9
JS		 9356lpfc_pci_remove_one_s3(struct pci_dev *pdev)
9357{
9358 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9359 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
9360 struct lpfc_vport **vports;
9361 struct lpfc_hba *phba = vport->phba;
9362 int i;
9363 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
9364
9365 spin_lock_irq(&phba->hbalock);
9366 vport->load_flag |= FC_UNLOADING;
9367 spin_unlock_irq(&phba->hbalock);
9368
9369 lpfc_free_sysfs_attr(vport);
9370
9371 /* Release all the vports against this physical port */
9372 vports = lpfc_create_vport_work_array(phba);
9373 if (vports != NULL)
587a37f6
JS		 9374 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
9375 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
9376 continue;
da0436e9 9377 fc_vport_terminate(vports[i]->fc_vport);
587a37f6 9378 }
da0436e9
JS		 9379 lpfc_destroy_vport_work_array(phba, vports);
9380
9381 /* Remove FC host and then SCSI host with the physical port */
9382 fc_remove_host(shost);
9383 scsi_remove_host(shost);
9384 lpfc_cleanup(vport);
9385
9386 /*
9387 * Bring down the SLI Layer. This step disable all interrupts,
9388 * clears the rings, discards all mailbox commands, and resets
9389 * the HBA.
9390 */
9391
48e34d0f 9392 /* HBA interrupt will be disabled after this call */
da0436e9
JS		 9393 lpfc_sli_hba_down(phba);
9394 /* Stop kthread signal shall trigger work_done one more time */
9395 kthread_stop(phba->worker_thread);
9396 /* Final cleanup of txcmplq and reset the HBA */
9397 lpfc_sli_brdrestart(phba);
9398
72859909
JS		 9399 kfree(phba->vpi_bmask);
9400 kfree(phba->vpi_ids);
9401
da0436e9
JS		 9402 lpfc_stop_hba_timers(phba);
9403 spin_lock_irq(&phba->hbalock);
9404 list_del_init(&vport->listentry);
9405 spin_unlock_irq(&phba->hbalock);
9406
9407 lpfc_debugfs_terminate(vport);
9408
912e3acd
JS		 9409 /* Disable SR-IOV if enabled */
9410 if (phba->cfg_sriov_nr_virtfn)
9411 pci_disable_sriov(pdev);
9412
da0436e9
JS		 9413 /* Disable interrupt */
9414 lpfc_sli_disable_intr(phba);
9415
9416 pci_set_drvdata(pdev, NULL);
9417 scsi_host_put(shost);
9418
9419 /*
9420 * Call scsi_free before mem_free since scsi bufs are released to their
9421 * corresponding pools here.
9422 */
9423 lpfc_scsi_free(phba);
9424 lpfc_mem_free_all(phba);
9425
9426 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
9427 phba->hbqslimp.virt, phba->hbqslimp.phys);
9428
9429 /* Free resources associated with SLI2 interface */
9430 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
9431 phba->slim2p.virt, phba->slim2p.phys);
9432
9433 /* unmap adapter SLIM and Control Registers */
9434 iounmap(phba->ctrl_regs_memmap_p);
9435 iounmap(phba->slim_memmap_p);
9436
9437 lpfc_hba_free(phba);
9438
9439 pci_release_selected_regions(pdev, bars);
9440 pci_disable_device(pdev);
9441}
9442
9443/**
9444 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
9445 * @pdev: pointer to PCI device
9446 * @msg: power management message
9447 *
9448 * This routine is to be called from the kernel's PCI subsystem to support
9449 * system Power Management (PM) to device with SLI-3 interface spec. When
9450 * PM invokes this method, it quiesces the device by stopping the driver's
9451 * worker thread for the device, turning off device's interrupt and DMA,
9452 * and bring the device offline. Note that as the driver implements the
9453 * minimum PM requirements to a power-aware driver's PM support for the
9454 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9455 * to the suspend() method call will be treated as SUSPEND and the driver will
9456 * fully reinitialize its device during resume() method call, the driver will
9457 * set device to PCI_D3hot state in PCI config space instead of setting it
9458 * according to the @msg provided by the PM.
9459 *
9460 * Return code
9461 * 0 - driver suspended the device
9462 * Error otherwise
9463 **/
9464static int
9465lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg)
9466{
9467 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9468 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9469
9470 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9471 "0473 PCI device Power Management suspend.\n");
9472
9473 /* Bring down the device */
618a5230 9474 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
da0436e9
JS		 9475 lpfc_offline(phba);
9476 kthread_stop(phba->worker_thread);
9477
9478 /* Disable interrupt from device */
9479 lpfc_sli_disable_intr(phba);
9480
9481 /* Save device state to PCI config space */
9482 pci_save_state(pdev);
9483 pci_set_power_state(pdev, PCI_D3hot);
9484
9485 return 0;
9486}
9487
9488/**
9489 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
9490 * @pdev: pointer to PCI device
9491 *
9492 * This routine is to be called from the kernel's PCI subsystem to support
9493 * system Power Management (PM) to device with SLI-3 interface spec. When PM
9494 * invokes this method, it restores the device's PCI config space state and
9495 * fully reinitializes the device and brings it online. Note that as the
9496 * driver implements the minimum PM requirements to a power-aware driver's
9497 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
9498 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
9499 * driver will fully reinitialize its device during resume() method call,
9500 * the device will be set to PCI_D0 directly in PCI config space before
9501 * restoring the state.
9502 *
9503 * Return code
9504 * 0 - driver suspended the device
9505 * Error otherwise
9506 **/
9507static int
9508lpfc_pci_resume_one_s3(struct pci_dev *pdev)
9509{
9510 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9511 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9512 uint32_t intr_mode;
9513 int error;
9514
9515 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9516 "0452 PCI device Power Management resume.\n");
9517
9518 /* Restore device state from PCI config space */
9519 pci_set_power_state(pdev, PCI_D0);
9520 pci_restore_state(pdev);
0d878419 9521
1dfb5a47
JS		 9522 /*
9523 * As the new kernel behavior of pci_restore_state() API call clears
9524 * device saved_state flag, need to save the restored state again.
9525 */
9526 pci_save_state(pdev);
9527
da0436e9
JS		 9528 if (pdev->is_busmaster)
9529 pci_set_master(pdev);
9530
9531 /* Startup the kernel thread for this host adapter. */
9532 phba->worker_thread = kthread_run(lpfc_do_work, phba,
9533 "lpfc_worker_%d", phba->brd_no);
9534 if (IS_ERR(phba->worker_thread)) {
9535 error = PTR_ERR(phba->worker_thread);
9536 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9537 "0434 PM resume failed to start worker "
9538 "thread: error=x%x.\n", error);
9539 return error;
9540 }
9541
9542 /* Configure and enable interrupt */
9543 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
9544 if (intr_mode == LPFC_INTR_ERROR) {
9545 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9546 "0430 PM resume Failed to enable interrupt\n");
9547 return -EIO;
9548 } else
9549 phba->intr_mode = intr_mode;
9550
9551 /* Restart HBA and bring it online */
9552 lpfc_sli_brdrestart(phba);
9553 lpfc_online(phba);
9554
9555 /* Log the current active interrupt mode */
9556 lpfc_log_intr_mode(phba, phba->intr_mode);
9557
9558 return 0;
9559}
9560
891478a2
JS		 9561/**
9562 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
9563 * @phba: pointer to lpfc hba data structure.
9564 *
9565 * This routine is called to prepare the SLI3 device for PCI slot recover. It
e2af0d2e 9566 * aborts all the outstanding SCSI I/Os to the pci device.
891478a2
JS		 9567 **/
9568static void
9569lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba)
9570{
e2af0d2e
JS		 9571 struct lpfc_sli *psli = &phba->sli;
9572 struct lpfc_sli_ring *pring;
9573
891478a2
JS		 9574 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9575 "2723 PCI channel I/O abort preparing for recovery\n");
e2af0d2e
JS		 9576
9577 /*
9578 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9579 * and let the SCSI mid-layer to retry them to recover.
9580 */
9581 pring = &psli->ring[psli->fcp_ring];
9582 lpfc_sli_abort_iocb_ring(phba, pring);
891478a2
JS		 9583}
9584
0d878419
JS		 9585/**
9586 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
9587 * @phba: pointer to lpfc hba data structure.
9588 *
9589 * This routine is called to prepare the SLI3 device for PCI slot reset. It
9590 * disables the device interrupt and pci device, and aborts the internal FCP
9591 * pending I/Os.
9592 **/
9593static void
9594lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba)
9595{
0d878419 9596 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
891478a2 9597 "2710 PCI channel disable preparing for reset\n");
e2af0d2e 9598
75baf696 9599 /* Block any management I/Os to the device */
618a5230 9600 lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
75baf696 9601
e2af0d2e
JS		 9602 /* Block all SCSI devices' I/Os on the host */
9603 lpfc_scsi_dev_block(phba);
9604
ea714f3d
JS		 9605 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9606 lpfc_sli_flush_fcp_rings(phba);
9607
e2af0d2e
JS		 9608 /* stop all timers */
9609 lpfc_stop_hba_timers(phba);
9610
0d878419
JS		 9611 /* Disable interrupt and pci device */
9612 lpfc_sli_disable_intr(phba);
9613 pci_disable_device(phba->pcidev);
0d878419
JS		 9614}
9615
9616/**
9617 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
9618 * @phba: pointer to lpfc hba data structure.
9619 *
9620 * This routine is called to prepare the SLI3 device for PCI slot permanently
9621 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9622 * pending I/Os.
9623 **/
9624static void
75baf696 9625lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba)
0d878419
JS		 9626{
9627 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
891478a2 9628 "2711 PCI channel permanent disable for failure\n");
e2af0d2e
JS		 9629 /* Block all SCSI devices' I/Os on the host */
9630 lpfc_scsi_dev_block(phba);
9631
9632 /* stop all timers */
9633 lpfc_stop_hba_timers(phba);
9634
0d878419
JS		 9635 /* Clean up all driver's outstanding SCSI I/Os */
9636 lpfc_sli_flush_fcp_rings(phba);
9637}
9638
da0436e9
JS		 9639/**
9640 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
9641 * @pdev: pointer to PCI device.
9642 * @state: the current PCI connection state.
9643 *
9644 * This routine is called from the PCI subsystem for I/O error handling to
9645 * device with SLI-3 interface spec. This function is called by the PCI
9646 * subsystem after a PCI bus error affecting this device has been detected.
9647 * When this function is invoked, it will need to stop all the I/Os and
9648 * interrupt(s) to the device. Once that is done, it will return
9649 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
9650 * as desired.
9651 *
9652 * Return codes
0d878419 9653 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
da0436e9
JS		 9654 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9655 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9656 **/
9657static pci_ers_result_t
9658lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state)
9659{
9660 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9661 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
da0436e9 9662
0d878419
JS		 9663 switch (state) {
9664 case pci_channel_io_normal:
891478a2
JS		 9665 /* Non-fatal error, prepare for recovery */
9666 lpfc_sli_prep_dev_for_recover(phba);
0d878419
JS		 9667 return PCI_ERS_RESULT_CAN_RECOVER;
9668 case pci_channel_io_frozen:
9669 /* Fatal error, prepare for slot reset */
9670 lpfc_sli_prep_dev_for_reset(phba);
9671 return PCI_ERS_RESULT_NEED_RESET;
9672 case pci_channel_io_perm_failure:
9673 /* Permanent failure, prepare for device down */
75baf696 9674 lpfc_sli_prep_dev_for_perm_failure(phba);
da0436e9 9675 return PCI_ERS_RESULT_DISCONNECT;
0d878419
JS		 9676 default:
9677 /* Unknown state, prepare and request slot reset */
9678 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9679 "0472 Unknown PCI error state: x%x\n", state);
9680 lpfc_sli_prep_dev_for_reset(phba);
9681 return PCI_ERS_RESULT_NEED_RESET;
da0436e9 9682 }
da0436e9
JS		 9683}
9684
9685/**
9686 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
9687 * @pdev: pointer to PCI device.
9688 *
9689 * This routine is called from the PCI subsystem for error handling to
9690 * device with SLI-3 interface spec. This is called after PCI bus has been
9691 * reset to restart the PCI card from scratch, as if from a cold-boot.
9692 * During the PCI subsystem error recovery, after driver returns
9693 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
9694 * recovery and then call this routine before calling the .resume method
9695 * to recover the device. This function will initialize the HBA device,
9696 * enable the interrupt, but it will just put the HBA to offline state
9697 * without passing any I/O traffic.
9698 *
9699 * Return codes
9700 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9701 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9702 */
9703static pci_ers_result_t
9704lpfc_io_slot_reset_s3(struct pci_dev *pdev)
9705{
9706 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9707 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9708 struct lpfc_sli *psli = &phba->sli;
9709 uint32_t intr_mode;
9710
9711 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
9712 if (pci_enable_device_mem(pdev)) {
9713 printk(KERN_ERR "lpfc: Cannot re-enable "
9714 "PCI device after reset.\n");
9715 return PCI_ERS_RESULT_DISCONNECT;
9716 }
9717
9718 pci_restore_state(pdev);
1dfb5a47
JS		 9719
9720 /*
9721 * As the new kernel behavior of pci_restore_state() API call clears
9722 * device saved_state flag, need to save the restored state again.
9723 */
9724 pci_save_state(pdev);
9725
da0436e9
JS		 9726 if (pdev->is_busmaster)
9727 pci_set_master(pdev);
9728
9729 spin_lock_irq(&phba->hbalock);
9730 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
9731 spin_unlock_irq(&phba->hbalock);
9732
9733 /* Configure and enable interrupt */
9734 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
9735 if (intr_mode == LPFC_INTR_ERROR) {
9736 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9737 "0427 Cannot re-enable interrupt after "
9738 "slot reset.\n");
9739 return PCI_ERS_RESULT_DISCONNECT;
9740 } else
9741 phba->intr_mode = intr_mode;
9742
75baf696 9743 /* Take device offline, it will perform cleanup */
618a5230 9744 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
da0436e9
JS		 9745 lpfc_offline(phba);
9746 lpfc_sli_brdrestart(phba);
9747
9748 /* Log the current active interrupt mode */
9749 lpfc_log_intr_mode(phba, phba->intr_mode);
9750
9751 return PCI_ERS_RESULT_RECOVERED;
9752}
9753
9754/**
9755 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
9756 * @pdev: pointer to PCI device
9757 *
9758 * This routine is called from the PCI subsystem for error handling to device
9759 * with SLI-3 interface spec. It is called when kernel error recovery tells
9760 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
9761 * error recovery. After this call, traffic can start to flow from this device
9762 * again.
9763 */
9764static void
9765lpfc_io_resume_s3(struct pci_dev *pdev)
9766{
9767 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9768 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3772a991 9769
e2af0d2e 9770 /* Bring device online, it will be no-op for non-fatal error resume */
da0436e9 9771 lpfc_online(phba);
0d878419
JS		 9772
9773 /* Clean up Advanced Error Reporting (AER) if needed */
9774 if (phba->hba_flag & HBA_AER_ENABLED)
9775 pci_cleanup_aer_uncorrect_error_status(pdev);
da0436e9 9776}
3772a991 9777
da0436e9
JS		 9778/**
9779 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
9780 * @phba: pointer to lpfc hba data structure.
9781 *
9782 * returns the number of ELS/CT IOCBs to reserve
9783 **/
9784int
9785lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba)
9786{
9787 int max_xri = phba->sli4_hba.max_cfg_param.max_xri;
9788
f1126688
JS		 9789 if (phba->sli_rev == LPFC_SLI_REV4) {
9790 if (max_xri <= 100)
6a9c52cf 9791 return 10;
f1126688 9792 else if (max_xri <= 256)
6a9c52cf 9793 return 25;
f1126688 9794 else if (max_xri <= 512)
6a9c52cf 9795 return 50;
f1126688 9796 else if (max_xri <= 1024)
6a9c52cf 9797 return 100;
8a9d2e80 9798 else if (max_xri <= 1536)
6a9c52cf 9799 return 150;
8a9d2e80
JS		 9800 else if (max_xri <= 2048)
9801 return 200;
9802 else
9803 return 250;
f1126688
JS		 9804 } else
9805 return 0;
3772a991
JS		 9806}
9807
52d52440
JS		 9808/**
9809 * lpfc_write_firmware - attempt to write a firmware image to the port
52d52440 9810 * @fw: pointer to firmware image returned from request_firmware.
ce396282 9811 * @phba: pointer to lpfc hba data structure.
52d52440 9812 *
52d52440 9813 **/
ce396282
JS		 9814static void
9815lpfc_write_firmware(const struct firmware *fw, void *context)
52d52440 9816{
ce396282 9817 struct lpfc_hba *phba = (struct lpfc_hba *)context;
6b5151fd 9818 char fwrev[FW_REV_STR_SIZE];
ce396282 9819 struct lpfc_grp_hdr *image;
52d52440
JS		 9820 struct list_head dma_buffer_list;
9821 int i, rc = 0;
9822 struct lpfc_dmabuf *dmabuf, *next;
9823 uint32_t offset = 0, temp_offset = 0;
9824
c71ab861 9825 /* It can be null in no-wait mode, sanity check */
ce396282
JS		 9826 if (!fw) {
9827 rc = -ENXIO;
9828 goto out;
9829 }
9830 image = (struct lpfc_grp_hdr *)fw->data;
9831
52d52440 9832 INIT_LIST_HEAD(&dma_buffer_list);
079b5c91
JS		 9833 if ((be32_to_cpu(image->magic_number) != LPFC_GROUP_OJECT_MAGIC_NUM) ||
9834 (bf_get_be32(lpfc_grp_hdr_file_type, image) !=
9835 LPFC_FILE_TYPE_GROUP) ||
9836 (bf_get_be32(lpfc_grp_hdr_id, image) != LPFC_FILE_ID_GROUP) ||
9837 (be32_to_cpu(image->size) != fw->size)) {
52d52440
JS		 9838 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9839 "3022 Invalid FW image found. "
079b5c91
JS		 9840 "Magic:%x Type:%x ID:%x\n",
9841 be32_to_cpu(image->magic_number),
9842 bf_get_be32(lpfc_grp_hdr_file_type, image),
9843 bf_get_be32(lpfc_grp_hdr_id, image));
ce396282
JS		 9844 rc = -EINVAL;
9845 goto release_out;
52d52440
JS		 9846 }
9847 lpfc_decode_firmware_rev(phba, fwrev, 1);
88a2cfbb 9848 if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) {
52d52440 9849 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
ce396282 9850 "3023 Updating Firmware, Current Version:%s "
52d52440 9851 "New Version:%s\n",
88a2cfbb 9852 fwrev, image->revision);
52d52440
JS		 9853 for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) {
9854 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf),
9855 GFP_KERNEL);
9856 if (!dmabuf) {
9857 rc = -ENOMEM;
ce396282 9858 goto release_out;
52d52440
JS		 9859 }
9860 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
9861 SLI4_PAGE_SIZE,
9862 &dmabuf->phys,
9863 GFP_KERNEL);
9864 if (!dmabuf->virt) {
9865 kfree(dmabuf);
9866 rc = -ENOMEM;
ce396282 9867 goto release_out;
52d52440
JS		 9868 }
9869 list_add_tail(&dmabuf->list, &dma_buffer_list);
9870 }
9871 while (offset < fw->size) {
9872 temp_offset = offset;
9873 list_for_each_entry(dmabuf, &dma_buffer_list, list) {
079b5c91 9874 if (temp_offset + SLI4_PAGE_SIZE > fw->size) {
52d52440
JS		 9875 memcpy(dmabuf->virt,
9876 fw->data + temp_offset,
079b5c91
JS		 9877 fw->size - temp_offset);
9878 temp_offset = fw->size;
52d52440
JS		 9879 break;
9880 }
52d52440
JS		 9881 memcpy(dmabuf->virt, fw->data + temp_offset,
9882 SLI4_PAGE_SIZE);
88a2cfbb 9883 temp_offset += SLI4_PAGE_SIZE;
52d52440
JS		 9884 }
9885 rc = lpfc_wr_object(phba, &dma_buffer_list,
9886 (fw->size - offset), &offset);
ce396282
JS		 9887 if (rc)
9888 goto release_out;
52d52440
JS		 9889 }
9890 rc = offset;
9891 }
ce396282
JS		 9892
9893release_out:
52d52440
JS		 9894 list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) {
9895 list_del(&dmabuf->list);
9896 dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
9897 dmabuf->virt, dmabuf->phys);
9898 kfree(dmabuf);
9899 }
ce396282
JS		 9900 release_firmware(fw);
9901out:
9902 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
c71ab861 9903 "3024 Firmware update done: %d.\n", rc);
ce396282 9904 return;
52d52440
JS		 9905}
9906
c71ab861
JS		 9907/**
9908 * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade
9909 * @phba: pointer to lpfc hba data structure.
9910 *
9911 * This routine is called to perform Linux generic firmware upgrade on device
9912 * that supports such feature.
9913 **/
9914int
9915lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade)
9916{
9917 uint8_t file_name[ELX_MODEL_NAME_SIZE];
9918 int ret;
9919 const struct firmware *fw;
9920
9921 /* Only supported on SLI4 interface type 2 for now */
9922 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
9923 LPFC_SLI_INTF_IF_TYPE_2)
9924 return -EPERM;
9925
9926 snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp", phba->ModelName);
9927
9928 if (fw_upgrade == INT_FW_UPGRADE) {
9929 ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
9930 file_name, &phba->pcidev->dev,
9931 GFP_KERNEL, (void *)phba,
9932 lpfc_write_firmware);
9933 } else if (fw_upgrade == RUN_FW_UPGRADE) {
9934 ret = request_firmware(&fw, file_name, &phba->pcidev->dev);
9935 if (!ret)
9936 lpfc_write_firmware(fw, (void *)phba);
9937 } else {
9938 ret = -EINVAL;
9939 }
9940
9941 return ret;
9942}
9943
3772a991 9944/**
da0436e9 9945 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
3772a991
JS		 9946 * @pdev: pointer to PCI device
9947 * @pid: pointer to PCI device identifier
9948 *
da0436e9
JS		 9949 * This routine is called from the kernel's PCI subsystem to device with
9950 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
3772a991 9951 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
da0436e9
JS		 9952 * information of the device and driver to see if the driver state that it
9953 * can support this kind of device. If the match is successful, the driver
9954 * core invokes this routine. If this routine determines it can claim the HBA,
9955 * it does all the initialization that it needs to do to handle the HBA
9956 * properly.
3772a991
JS		 9957 *
9958 * Return code
9959 * 0 - driver can claim the device
9960 * negative value - driver can not claim the device
9961 **/
6f039790 9962static int
da0436e9 9963lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
3772a991
JS		 9964{
9965 struct lpfc_hba *phba;
9966 struct lpfc_vport *vport = NULL;
6669f9bb 9967 struct Scsi_Host *shost = NULL;
ce396282 9968 int error, ret;
3772a991 9969 uint32_t cfg_mode, intr_mode;
67d12733 9970 int adjusted_fcp_io_channel;
3772a991
JS		 9971
9972 /* Allocate memory for HBA structure */
9973 phba = lpfc_hba_alloc(pdev);
9974 if (!phba)
9975 return -ENOMEM;
9976
9977 /* Perform generic PCI device enabling operation */
9978 error = lpfc_enable_pci_dev(phba);
079b5c91 9979 if (error)
3772a991 9980 goto out_free_phba;
3772a991 9981
da0436e9
JS		 9982 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
9983 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC);
3772a991
JS		 9984 if (error)
9985 goto out_disable_pci_dev;
9986
da0436e9
JS		 9987 /* Set up SLI-4 specific device PCI memory space */
9988 error = lpfc_sli4_pci_mem_setup(phba);
3772a991
JS		 9989 if (error) {
9990 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9991 "1410 Failed to set up pci memory space.\n");
3772a991
JS		 9992 goto out_disable_pci_dev;
9993 }
9994
9995 /* Set up phase-1 common device driver resources */
9996 error = lpfc_setup_driver_resource_phase1(phba);
9997 if (error) {
9998 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 9999 "1411 Failed to set up driver resource.\n");
10000 goto out_unset_pci_mem_s4;
3772a991
JS		 10001 }
10002
da0436e9
JS		 10003 /* Set up SLI-4 Specific device driver resources */
10004 error = lpfc_sli4_driver_resource_setup(phba);
3772a991
JS		 10005 if (error) {
10006 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 10007 "1412 Failed to set up driver resource.\n");
10008 goto out_unset_pci_mem_s4;
3772a991
JS		 10009 }
10010
10011 /* Initialize and populate the iocb list per host */
2a9bf3d0
JS		 10012
10013 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
10014 "2821 initialize iocb list %d.\n",
10015 phba->cfg_iocb_cnt*1024);
10016 error = lpfc_init_iocb_list(phba, phba->cfg_iocb_cnt*1024);
10017
3772a991
JS		 10018 if (error) {
10019 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 10020 "1413 Failed to initialize iocb list.\n");
10021 goto out_unset_driver_resource_s4;
3772a991
JS		 10022 }
10023
19ca7609 10024 INIT_LIST_HEAD(&phba->active_rrq_list);
7d791df7 10025 INIT_LIST_HEAD(&phba->fcf.fcf_pri_list);
19ca7609 10026
3772a991
JS		 10027 /* Set up common device driver resources */
10028 error = lpfc_setup_driver_resource_phase2(phba);
10029 if (error) {
10030 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10031 "1414 Failed to set up driver resource.\n");
3772a991
JS		 10032 goto out_free_iocb_list;
10033 }
10034
079b5c91
JS		 10035 /* Get the default values for Model Name and Description */
10036 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
10037
3772a991
JS		 10038 /* Create SCSI host to the physical port */
10039 error = lpfc_create_shost(phba);
10040 if (error) {
10041 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10042 "1415 Failed to create scsi host.\n");
3772a991
JS		 10043 goto out_unset_driver_resource;
10044 }
9399627f 10045
5b75da2f 10046 /* Configure sysfs attributes */
3772a991
JS		 10047 vport = phba->pport;
10048 error = lpfc_alloc_sysfs_attr(vport);
10049 if (error) {
9399627f 10050 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10051 "1416 Failed to allocate sysfs attr\n");
3772a991 10052 goto out_destroy_shost;
98c9ea5c 10053 }
875fbdfe 10054
6669f9bb 10055 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
3772a991 10056 /* Now, trying to enable interrupt and bring up the device */
5b75da2f 10057 cfg_mode = phba->cfg_use_msi;
5b75da2f 10058
7b15db32
JS		 10059 /* Put device to a known state before enabling interrupt */
10060 lpfc_stop_port(phba);
10061 /* Configure and enable interrupt */
10062 intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode);
10063 if (intr_mode == LPFC_INTR_ERROR) {
10064 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10065 "0426 Failed to enable interrupt.\n");
10066 error = -ENODEV;
10067 goto out_free_sysfs_attr;
10068 }
10069 /* Default to single EQ for non-MSI-X */
10070 if (phba->intr_type != MSIX)
10071 adjusted_fcp_io_channel = 1;
10072 else
10073 adjusted_fcp_io_channel = phba->cfg_fcp_io_channel;
10074 phba->cfg_fcp_io_channel = adjusted_fcp_io_channel;
10075 /* Set up SLI-4 HBA */
10076 if (lpfc_sli4_hba_setup(phba)) {
10077 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10078 "1421 Failed to set up hba\n");
10079 error = -ENODEV;
10080 goto out_disable_intr;
98c9ea5c 10081 }
858c9f6c 10082
7b15db32
JS		 10083 /* Log the current active interrupt mode */
10084 phba->intr_mode = intr_mode;
10085 lpfc_log_intr_mode(phba, intr_mode);
10086
3772a991
JS		 10087 /* Perform post initialization setup */
10088 lpfc_post_init_setup(phba);
dea3101e 10089
c71ab861
JS		 10090 /* check for firmware upgrade or downgrade */
10091 if (phba->cfg_request_firmware_upgrade)
10092 ret = lpfc_sli4_request_firmware_update(phba, INT_FW_UPGRADE);
52d52440 10093
1c6834a7
JS		 10094 /* Check if there are static vports to be created. */
10095 lpfc_create_static_vport(phba);
dea3101e 10096 return 0;
10097
da0436e9
JS		 10098out_disable_intr:
10099 lpfc_sli4_disable_intr(phba);
5b75da2f
JS		 10100out_free_sysfs_attr:
10101 lpfc_free_sysfs_attr(vport);
3772a991
JS		 10102out_destroy_shost:
10103 lpfc_destroy_shost(phba);
10104out_unset_driver_resource:
10105 lpfc_unset_driver_resource_phase2(phba);
10106out_free_iocb_list:
10107 lpfc_free_iocb_list(phba);
da0436e9
JS		 10108out_unset_driver_resource_s4:
10109 lpfc_sli4_driver_resource_unset(phba);
10110out_unset_pci_mem_s4:
10111 lpfc_sli4_pci_mem_unset(phba);
3772a991
JS		 10112out_disable_pci_dev:
10113 lpfc_disable_pci_dev(phba);
6669f9bb
JS		 10114 if (shost)
10115 scsi_host_put(shost);
2e0fef85 10116out_free_phba:
3772a991 10117 lpfc_hba_free(phba);
dea3101e 10118 return error;
10119}
10120
e59058c4 10121/**
da0436e9 10122 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
e59058c4
JS		 10123 * @pdev: pointer to PCI device
10124 *
da0436e9
JS		 10125 * This routine is called from the kernel's PCI subsystem to device with
10126 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
3772a991
JS		 10127 * removed from PCI bus, it performs all the necessary cleanup for the HBA
10128 * device to be removed from the PCI subsystem properly.
e59058c4 10129 **/
6f039790 10130static void
da0436e9 10131lpfc_pci_remove_one_s4(struct pci_dev *pdev)
dea3101e 10132{
da0436e9 10133 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2e0fef85 10134 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
eada272d 10135 struct lpfc_vport **vports;
da0436e9 10136 struct lpfc_hba *phba = vport->phba;
eada272d 10137 int i;
8a4df120 10138
da0436e9 10139 /* Mark the device unloading flag */
549e55cd 10140 spin_lock_irq(&phba->hbalock);
51ef4c26 10141 vport->load_flag |= FC_UNLOADING;
549e55cd 10142 spin_unlock_irq(&phba->hbalock);
2e0fef85 10143
da0436e9 10144 /* Free the HBA sysfs attributes */
858c9f6c
JS		 10145 lpfc_free_sysfs_attr(vport);
10146
eada272d
JS		 10147 /* Release all the vports against this physical port */
10148 vports = lpfc_create_vport_work_array(phba);
10149 if (vports != NULL)
587a37f6
JS		 10150 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
10151 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
10152 continue;
eada272d 10153 fc_vport_terminate(vports[i]->fc_vport);
587a37f6 10154 }
eada272d
JS		 10155 lpfc_destroy_vport_work_array(phba, vports);
10156
10157 /* Remove FC host and then SCSI host with the physical port */
858c9f6c
JS		 10158 fc_remove_host(shost);
10159 scsi_remove_host(shost);
da0436e9
JS		 10160
10161 /* Perform cleanup on the physical port */
87af33fe
JS		 10162 lpfc_cleanup(vport);
10163
2e0fef85 10164 /*
da0436e9 10165 * Bring down the SLI Layer. This step disables all interrupts,
2e0fef85 10166 * clears the rings, discards all mailbox commands, and resets
da0436e9 10167 * the HBA FCoE function.
2e0fef85 10168 */
da0436e9
JS		 10169 lpfc_debugfs_terminate(vport);
10170 lpfc_sli4_hba_unset(phba);
a257bf90 10171
858c9f6c
JS		 10172 spin_lock_irq(&phba->hbalock);
10173 list_del_init(&vport->listentry);
10174 spin_unlock_irq(&phba->hbalock);
10175
3677a3a7 10176 /* Perform scsi free before driver resource_unset since scsi
da0436e9 10177 * buffers are released to their corresponding pools here.
2e0fef85
JS		 10178 */
10179 lpfc_scsi_free(phba);
67d12733 10180
da0436e9 10181 lpfc_sli4_driver_resource_unset(phba);
ed957684 10182
da0436e9
JS		 10183 /* Unmap adapter Control and Doorbell registers */
10184 lpfc_sli4_pci_mem_unset(phba);
2e0fef85 10185
da0436e9
JS		 10186 /* Release PCI resources and disable device's PCI function */
10187 scsi_host_put(shost);
10188 lpfc_disable_pci_dev(phba);
2e0fef85 10189
da0436e9 10190 /* Finally, free the driver's device data structure */
3772a991 10191 lpfc_hba_free(phba);
2e0fef85 10192
da0436e9 10193 return;
dea3101e 10194}
10195
3a55b532 10196/**
da0436e9 10197 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
3a55b532
JS		 10198 * @pdev: pointer to PCI device
10199 * @msg: power management message
10200 *
da0436e9
JS		 10201 * This routine is called from the kernel's PCI subsystem to support system
10202 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
10203 * this method, it quiesces the device by stopping the driver's worker
10204 * thread for the device, turning off device's interrupt and DMA, and bring
10205 * the device offline. Note that as the driver implements the minimum PM
10206 * requirements to a power-aware driver's PM support for suspend/resume -- all
10207 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
10208 * method call will be treated as SUSPEND and the driver will fully
10209 * reinitialize its device during resume() method call, the driver will set
10210 * device to PCI_D3hot state in PCI config space instead of setting it
3772a991 10211 * according to the @msg provided by the PM.
3a55b532
JS		 10212 *
10213 * Return code
3772a991
JS		 10214 * 0 - driver suspended the device
10215 * Error otherwise
3a55b532
JS		 10216 **/
10217static int
da0436e9 10218lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg)
3a55b532
JS		 10219{
10220 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10221 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10222
10223 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
75baf696 10224 "2843 PCI device Power Management suspend.\n");
3a55b532
JS		 10225
10226 /* Bring down the device */
618a5230 10227 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
3a55b532
JS		 10228 lpfc_offline(phba);
10229 kthread_stop(phba->worker_thread);
10230
10231 /* Disable interrupt from device */
da0436e9 10232 lpfc_sli4_disable_intr(phba);
5350d872 10233 lpfc_sli4_queue_destroy(phba);
3a55b532
JS		 10234
10235 /* Save device state to PCI config space */
10236 pci_save_state(pdev);
10237 pci_set_power_state(pdev, PCI_D3hot);
10238
10239 return 0;
10240}
10241
10242/**
da0436e9 10243 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
3a55b532
JS		 10244 * @pdev: pointer to PCI device
10245 *
da0436e9
JS		 10246 * This routine is called from the kernel's PCI subsystem to support system
10247 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
10248 * this method, it restores the device's PCI config space state and fully
10249 * reinitializes the device and brings it online. Note that as the driver
10250 * implements the minimum PM requirements to a power-aware driver's PM for
10251 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
10252 * to the suspend() method call will be treated as SUSPEND and the driver
10253 * will fully reinitialize its device during resume() method call, the device
10254 * will be set to PCI_D0 directly in PCI config space before restoring the
10255 * state.
3a55b532
JS		 10256 *
10257 * Return code
3772a991
JS		 10258 * 0 - driver suspended the device
10259 * Error otherwise
3a55b532
JS		 10260 **/
10261static int
da0436e9 10262lpfc_pci_resume_one_s4(struct pci_dev *pdev)
3a55b532
JS		 10263{
10264 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10265 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
5b75da2f 10266 uint32_t intr_mode;
3a55b532
JS		 10267 int error;
10268
10269 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
da0436e9 10270 "0292 PCI device Power Management resume.\n");
3a55b532
JS		 10271
10272 /* Restore device state from PCI config space */
10273 pci_set_power_state(pdev, PCI_D0);
10274 pci_restore_state(pdev);
1dfb5a47
JS		 10275
10276 /*
10277 * As the new kernel behavior of pci_restore_state() API call clears
10278 * device saved_state flag, need to save the restored state again.
10279 */
10280 pci_save_state(pdev);
10281
3a55b532
JS		 10282 if (pdev->is_busmaster)
10283 pci_set_master(pdev);
10284
da0436e9 10285 /* Startup the kernel thread for this host adapter. */
3a55b532
JS		 10286 phba->worker_thread = kthread_run(lpfc_do_work, phba,
10287 "lpfc_worker_%d", phba->brd_no);
10288 if (IS_ERR(phba->worker_thread)) {
10289 error = PTR_ERR(phba->worker_thread);
10290 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10291 "0293 PM resume failed to start worker "
3a55b532
JS		 10292 "thread: error=x%x.\n", error);
10293 return error;
10294 }
10295
5b75da2f 10296 /* Configure and enable interrupt */
da0436e9 10297 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
5b75da2f 10298 if (intr_mode == LPFC_INTR_ERROR) {
3a55b532 10299 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10300 "0294 PM resume Failed to enable interrupt\n");
5b75da2f
JS		 10301 return -EIO;
10302 } else
10303 phba->intr_mode = intr_mode;
3a55b532
JS		 10304
10305 /* Restart HBA and bring it online */
10306 lpfc_sli_brdrestart(phba);
10307 lpfc_online(phba);
10308
5b75da2f
JS		 10309 /* Log the current active interrupt mode */
10310 lpfc_log_intr_mode(phba, phba->intr_mode);
10311
3a55b532
JS		 10312 return 0;
10313}
10314
75baf696
JS		 10315/**
10316 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
10317 * @phba: pointer to lpfc hba data structure.
10318 *
10319 * This routine is called to prepare the SLI4 device for PCI slot recover. It
10320 * aborts all the outstanding SCSI I/Os to the pci device.
10321 **/
10322static void
10323lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba)
10324{
10325 struct lpfc_sli *psli = &phba->sli;
10326 struct lpfc_sli_ring *pring;
10327
10328 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10329 "2828 PCI channel I/O abort preparing for recovery\n");
10330 /*
10331 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
10332 * and let the SCSI mid-layer to retry them to recover.
10333 */
10334 pring = &psli->ring[psli->fcp_ring];
10335 lpfc_sli_abort_iocb_ring(phba, pring);
10336}
10337
10338/**
10339 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
10340 * @phba: pointer to lpfc hba data structure.
10341 *
10342 * This routine is called to prepare the SLI4 device for PCI slot reset. It
10343 * disables the device interrupt and pci device, and aborts the internal FCP
10344 * pending I/Os.
10345 **/
10346static void
10347lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba)
10348{
10349 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10350 "2826 PCI channel disable preparing for reset\n");
10351
10352 /* Block any management I/Os to the device */
618a5230 10353 lpfc_block_mgmt_io(phba, LPFC_MBX_NO_WAIT);
75baf696
JS		 10354
10355 /* Block all SCSI devices' I/Os on the host */
10356 lpfc_scsi_dev_block(phba);
10357
ea714f3d
JS		 10358 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
10359 lpfc_sli_flush_fcp_rings(phba);
10360
75baf696
JS		 10361 /* stop all timers */
10362 lpfc_stop_hba_timers(phba);
10363
10364 /* Disable interrupt and pci device */
10365 lpfc_sli4_disable_intr(phba);
5350d872 10366 lpfc_sli4_queue_destroy(phba);
75baf696 10367 pci_disable_device(phba->pcidev);
75baf696
JS		 10368}
10369
10370/**
10371 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
10372 * @phba: pointer to lpfc hba data structure.
10373 *
10374 * This routine is called to prepare the SLI4 device for PCI slot permanently
10375 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
10376 * pending I/Os.
10377 **/
10378static void
10379lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba)
10380{
10381 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10382 "2827 PCI channel permanent disable for failure\n");
10383
10384 /* Block all SCSI devices' I/Os on the host */
10385 lpfc_scsi_dev_block(phba);
10386
10387 /* stop all timers */
10388 lpfc_stop_hba_timers(phba);
10389
10390 /* Clean up all driver's outstanding SCSI I/Os */
10391 lpfc_sli_flush_fcp_rings(phba);
10392}
10393
8d63f375 10394/**
da0436e9 10395 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
e59058c4
JS		 10396 * @pdev: pointer to PCI device.
10397 * @state: the current PCI connection state.
8d63f375 10398 *
da0436e9
JS		 10399 * This routine is called from the PCI subsystem for error handling to device
10400 * with SLI-4 interface spec. This function is called by the PCI subsystem
10401 * after a PCI bus error affecting this device has been detected. When this
10402 * function is invoked, it will need to stop all the I/Os and interrupt(s)
10403 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
10404 * for the PCI subsystem to perform proper recovery as desired.
e59058c4
JS		 10405 *
10406 * Return codes
3772a991
JS		 10407 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10408 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
e59058c4 10409 **/
3772a991 10410static pci_ers_result_t
da0436e9 10411lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state)
8d63f375 10412{
75baf696
JS		 10413 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10414 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10415
10416 switch (state) {
10417 case pci_channel_io_normal:
10418 /* Non-fatal error, prepare for recovery */
10419 lpfc_sli4_prep_dev_for_recover(phba);
10420 return PCI_ERS_RESULT_CAN_RECOVER;
10421 case pci_channel_io_frozen:
10422 /* Fatal error, prepare for slot reset */
10423 lpfc_sli4_prep_dev_for_reset(phba);
10424 return PCI_ERS_RESULT_NEED_RESET;
10425 case pci_channel_io_perm_failure:
10426 /* Permanent failure, prepare for device down */
10427 lpfc_sli4_prep_dev_for_perm_failure(phba);
10428 return PCI_ERS_RESULT_DISCONNECT;
10429 default:
10430 /* Unknown state, prepare and request slot reset */
10431 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10432 "2825 Unknown PCI error state: x%x\n", state);
10433 lpfc_sli4_prep_dev_for_reset(phba);
10434 return PCI_ERS_RESULT_NEED_RESET;
10435 }
8d63f375
LV		 10436}
10437
10438/**
da0436e9 10439 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
e59058c4
JS		 10440 * @pdev: pointer to PCI device.
10441 *
da0436e9
JS		 10442 * This routine is called from the PCI subsystem for error handling to device
10443 * with SLI-4 interface spec. It is called after PCI bus has been reset to
10444 * restart the PCI card from scratch, as if from a cold-boot. During the
10445 * PCI subsystem error recovery, after the driver returns
3772a991 10446 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
da0436e9
JS		 10447 * recovery and then call this routine before calling the .resume method to
10448 * recover the device. This function will initialize the HBA device, enable
10449 * the interrupt, but it will just put the HBA to offline state without
10450 * passing any I/O traffic.
8d63f375 10451 *
e59058c4 10452 * Return codes
3772a991
JS		 10453 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10454 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
8d63f375 10455 */
3772a991 10456static pci_ers_result_t
da0436e9 10457lpfc_io_slot_reset_s4(struct pci_dev *pdev)
8d63f375 10458{
75baf696
JS		 10459 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10460 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10461 struct lpfc_sli *psli = &phba->sli;
10462 uint32_t intr_mode;
10463
10464 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
10465 if (pci_enable_device_mem(pdev)) {
10466 printk(KERN_ERR "lpfc: Cannot re-enable "
10467 "PCI device after reset.\n");
10468 return PCI_ERS_RESULT_DISCONNECT;
10469 }
10470
10471 pci_restore_state(pdev);
0a96e975
JS		 10472
10473 /*
10474 * As the new kernel behavior of pci_restore_state() API call clears
10475 * device saved_state flag, need to save the restored state again.
10476 */
10477 pci_save_state(pdev);
10478
75baf696
JS		 10479 if (pdev->is_busmaster)
10480 pci_set_master(pdev);
10481
10482 spin_lock_irq(&phba->hbalock);
10483 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
10484 spin_unlock_irq(&phba->hbalock);
10485
10486 /* Configure and enable interrupt */
10487 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
10488 if (intr_mode == LPFC_INTR_ERROR) {
10489 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10490 "2824 Cannot re-enable interrupt after "
10491 "slot reset.\n");
10492 return PCI_ERS_RESULT_DISCONNECT;
10493 } else
10494 phba->intr_mode = intr_mode;
10495
10496 /* Log the current active interrupt mode */
10497 lpfc_log_intr_mode(phba, phba->intr_mode);
10498
8d63f375
LV		 10499 return PCI_ERS_RESULT_RECOVERED;
10500}
10501
10502/**
da0436e9 10503 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
e59058c4 10504 * @pdev: pointer to PCI device
8d63f375 10505 *
3772a991 10506 * This routine is called from the PCI subsystem for error handling to device
da0436e9 10507 * with SLI-4 interface spec. It is called when kernel error recovery tells
3772a991
JS		 10508 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
10509 * error recovery. After this call, traffic can start to flow from this device
10510 * again.
da0436e9 10511 **/
3772a991 10512static void
da0436e9 10513lpfc_io_resume_s4(struct pci_dev *pdev)
8d63f375 10514{
75baf696
JS		 10515 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10516 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10517
10518 /*
10519 * In case of slot reset, as function reset is performed through
10520 * mailbox command which needs DMA to be enabled, this operation
10521 * has to be moved to the io resume phase. Taking device offline
10522 * will perform the necessary cleanup.
10523 */
10524 if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) {
10525 /* Perform device reset */
618a5230 10526 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
75baf696
JS		 10527 lpfc_offline(phba);
10528 lpfc_sli_brdrestart(phba);
10529 /* Bring the device back online */
10530 lpfc_online(phba);
10531 }
10532
10533 /* Clean up Advanced Error Reporting (AER) if needed */
10534 if (phba->hba_flag & HBA_AER_ENABLED)
10535 pci_cleanup_aer_uncorrect_error_status(pdev);
8d63f375
LV		 10536}
10537
3772a991
JS		 10538/**
10539 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
10540 * @pdev: pointer to PCI device
10541 * @pid: pointer to PCI device identifier
10542 *
10543 * This routine is to be registered to the kernel's PCI subsystem. When an
10544 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
10545 * at PCI device-specific information of the device and driver to see if the
10546 * driver state that it can support this kind of device. If the match is
10547 * successful, the driver core invokes this routine. This routine dispatches
10548 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
10549 * do all the initialization that it needs to do to handle the HBA device
10550 * properly.
10551 *
10552 * Return code
10553 * 0 - driver can claim the device
10554 * negative value - driver can not claim the device
10555 **/
6f039790 10556static int
3772a991
JS		 10557lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
10558{
10559 int rc;
8fa38513 10560 struct lpfc_sli_intf intf;
3772a991 10561
28baac74 10562 if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0))
3772a991
JS		 10563 return -ENODEV;
10564
8fa38513 10565 if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) &&
28baac74 10566 (bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4))
da0436e9 10567 rc = lpfc_pci_probe_one_s4(pdev, pid);
8fa38513 10568 else
3772a991 10569 rc = lpfc_pci_probe_one_s3(pdev, pid);
8fa38513 10570
3772a991
JS		 10571 return rc;
10572}
10573
10574/**
10575 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
10576 * @pdev: pointer to PCI device
10577 *
10578 * This routine is to be registered to the kernel's PCI subsystem. When an
10579 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
10580 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
10581 * remove routine, which will perform all the necessary cleanup for the
10582 * device to be removed from the PCI subsystem properly.
10583 **/
6f039790 10584static void
3772a991
JS		 10585lpfc_pci_remove_one(struct pci_dev *pdev)
10586{
10587 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10588 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10589
10590 switch (phba->pci_dev_grp) {
10591 case LPFC_PCI_DEV_LP:
10592 lpfc_pci_remove_one_s3(pdev);
10593 break;
da0436e9
JS		 10594 case LPFC_PCI_DEV_OC:
10595 lpfc_pci_remove_one_s4(pdev);
10596 break;
3772a991
JS		 10597 default:
10598 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10599 "1424 Invalid PCI device group: 0x%x\n",
10600 phba->pci_dev_grp);
10601 break;
10602 }
10603 return;
10604}
10605
10606/**
10607 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
10608 * @pdev: pointer to PCI device
10609 * @msg: power management message
10610 *
10611 * This routine is to be registered to the kernel's PCI subsystem to support
10612 * system Power Management (PM). When PM invokes this method, it dispatches
10613 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
10614 * suspend the device.
10615 *
10616 * Return code
10617 * 0 - driver suspended the device
10618 * Error otherwise
10619 **/
10620static int
10621lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg)
10622{
10623 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10624 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10625 int rc = -ENODEV;
10626
10627 switch (phba->pci_dev_grp) {
10628 case LPFC_PCI_DEV_LP:
10629 rc = lpfc_pci_suspend_one_s3(pdev, msg);
10630 break;
da0436e9
JS		 10631 case LPFC_PCI_DEV_OC:
10632 rc = lpfc_pci_suspend_one_s4(pdev, msg);
10633 break;
3772a991
JS		 10634 default:
10635 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10636 "1425 Invalid PCI device group: 0x%x\n",
10637 phba->pci_dev_grp);
10638 break;
10639 }
10640 return rc;
10641}
10642
10643/**
10644 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
10645 * @pdev: pointer to PCI device
10646 *
10647 * This routine is to be registered to the kernel's PCI subsystem to support
10648 * system Power Management (PM). When PM invokes this method, it dispatches
10649 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
10650 * resume the device.
10651 *
10652 * Return code
10653 * 0 - driver suspended the device
10654 * Error otherwise
10655 **/
10656static int
10657lpfc_pci_resume_one(struct pci_dev *pdev)
10658{
10659 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10660 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10661 int rc = -ENODEV;
10662
10663 switch (phba->pci_dev_grp) {
10664 case LPFC_PCI_DEV_LP:
10665 rc = lpfc_pci_resume_one_s3(pdev);
10666 break;
da0436e9
JS		 10667 case LPFC_PCI_DEV_OC:
10668 rc = lpfc_pci_resume_one_s4(pdev);
10669 break;
3772a991
JS		 10670 default:
10671 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10672 "1426 Invalid PCI device group: 0x%x\n",
10673 phba->pci_dev_grp);
10674 break;
10675 }
10676 return rc;
10677}
10678
10679/**
10680 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
10681 * @pdev: pointer to PCI device.
10682 * @state: the current PCI connection state.
10683 *
10684 * This routine is registered to the PCI subsystem for error handling. This
10685 * function is called by the PCI subsystem after a PCI bus error affecting
10686 * this device has been detected. When this routine is invoked, it dispatches
10687 * the action to the proper SLI-3 or SLI-4 device error detected handling
10688 * routine, which will perform the proper error detected operation.
10689 *
10690 * Return codes
10691 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10692 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10693 **/
10694static pci_ers_result_t
10695lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
10696{
10697 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10698 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10699 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
10700
10701 switch (phba->pci_dev_grp) {
10702 case LPFC_PCI_DEV_LP:
10703 rc = lpfc_io_error_detected_s3(pdev, state);
10704 break;
da0436e9
JS		 10705 case LPFC_PCI_DEV_OC:
10706 rc = lpfc_io_error_detected_s4(pdev, state);
10707 break;
3772a991
JS		 10708 default:
10709 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10710 "1427 Invalid PCI device group: 0x%x\n",
10711 phba->pci_dev_grp);
10712 break;
10713 }
10714 return rc;
10715}
10716
10717/**
10718 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
10719 * @pdev: pointer to PCI device.
10720 *
10721 * This routine is registered to the PCI subsystem for error handling. This
10722 * function is called after PCI bus has been reset to restart the PCI card
10723 * from scratch, as if from a cold-boot. When this routine is invoked, it
10724 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
10725 * routine, which will perform the proper device reset.
10726 *
10727 * Return codes
10728 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10729 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10730 **/
10731static pci_ers_result_t
10732lpfc_io_slot_reset(struct pci_dev *pdev)
10733{
10734 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10735 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10736 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
10737
10738 switch (phba->pci_dev_grp) {
10739 case LPFC_PCI_DEV_LP:
10740 rc = lpfc_io_slot_reset_s3(pdev);
10741 break;
da0436e9
JS		 10742 case LPFC_PCI_DEV_OC:
10743 rc = lpfc_io_slot_reset_s4(pdev);
10744 break;
3772a991
JS		 10745 default:
10746 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10747 "1428 Invalid PCI device group: 0x%x\n",
10748 phba->pci_dev_grp);
10749 break;
10750 }
10751 return rc;
10752}
10753
10754/**
10755 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
10756 * @pdev: pointer to PCI device
10757 *
10758 * This routine is registered to the PCI subsystem for error handling. It
10759 * is called when kernel error recovery tells the lpfc driver that it is
10760 * OK to resume normal PCI operation after PCI bus error recovery. When
10761 * this routine is invoked, it dispatches the action to the proper SLI-3
10762 * or SLI-4 device io_resume routine, which will resume the device operation.
10763 **/
10764static void
10765lpfc_io_resume(struct pci_dev *pdev)
10766{
10767 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10768 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10769
10770 switch (phba->pci_dev_grp) {
10771 case LPFC_PCI_DEV_LP:
10772 lpfc_io_resume_s3(pdev);
10773 break;
da0436e9
JS		 10774 case LPFC_PCI_DEV_OC:
10775 lpfc_io_resume_s4(pdev);
10776 break;
3772a991
JS		 10777 default:
10778 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10779 "1429 Invalid PCI device group: 0x%x\n",
10780 phba->pci_dev_grp);
10781 break;
10782 }
10783 return;
10784}
10785
dea3101e 10786static struct pci_device_id lpfc_id_table[] = {
10787 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
10788 PCI_ANY_ID, PCI_ANY_ID, },
06325e74
JSEC		 10789 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
10790 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10791 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
10792 PCI_ANY_ID, PCI_ANY_ID, },
10793 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
10794 PCI_ANY_ID, PCI_ANY_ID, },
10795 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
10796 PCI_ANY_ID, PCI_ANY_ID, },
10797 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
10798 PCI_ANY_ID, PCI_ANY_ID, },
10799 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
10800 PCI_ANY_ID, PCI_ANY_ID, },
10801 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
10802 PCI_ANY_ID, PCI_ANY_ID, },
10803 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
10804 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10805 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
10806 PCI_ANY_ID, PCI_ANY_ID, },
10807 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
10808 PCI_ANY_ID, PCI_ANY_ID, },
10809 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
10810 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10811 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
10812 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10813 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
10814 PCI_ANY_ID, PCI_ANY_ID, },
10815 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
10816 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10817 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
10818 PCI_ANY_ID, PCI_ANY_ID, },
10819 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
10820 PCI_ANY_ID, PCI_ANY_ID, },
10821 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
10822 PCI_ANY_ID, PCI_ANY_ID, },
84774a4d
JS		 10823 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET,
10824 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10825 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
10826 PCI_ANY_ID, PCI_ANY_ID, },
10827 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
10828 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10829 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
10830 PCI_ANY_ID, PCI_ANY_ID, },
10831 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
10832 PCI_ANY_ID, PCI_ANY_ID, },
10833 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
10834 PCI_ANY_ID, PCI_ANY_ID, },
10835 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
10836 PCI_ANY_ID, PCI_ANY_ID, },
10837 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
10838 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10839 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
10840 PCI_ANY_ID, PCI_ANY_ID, },
10841 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
10842 PCI_ANY_ID, PCI_ANY_ID, },
b87eab38
JS		 10843 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
10844 PCI_ANY_ID, PCI_ANY_ID, },
10845 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
10846 PCI_ANY_ID, PCI_ANY_ID, },
10847 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
10848 PCI_ANY_ID, PCI_ANY_ID, },
10849 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
10850 PCI_ANY_ID, PCI_ANY_ID, },
10851 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
10852 PCI_ANY_ID, PCI_ANY_ID, },
10853 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
10854 PCI_ANY_ID, PCI_ANY_ID, },
84774a4d
JS		 10855 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF,
10856 PCI_ANY_ID, PCI_ANY_ID, },
10857 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF,
10858 PCI_ANY_ID, PCI_ANY_ID, },
10859 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S,
10860 PCI_ANY_ID, PCI_ANY_ID, },
3772a991
JS		 10861 {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TIGERSHARK,
10862 PCI_ANY_ID, PCI_ANY_ID, },
a747c9ce
JS		 10863 {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TOMCAT,
10864 PCI_ANY_ID, PCI_ANY_ID, },
10865 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FALCON,
6669f9bb 10866 PCI_ANY_ID, PCI_ANY_ID, },
98fc5dd9
JS		 10867 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BALIUS,
10868 PCI_ANY_ID, PCI_ANY_ID, },
085c647c
JS		 10869 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC,
10870 PCI_ANY_ID, PCI_ANY_ID, },
10871 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE,
10872 PCI_ANY_ID, PCI_ANY_ID, },
c0c11512
JS		 10873 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC_VF,
10874 PCI_ANY_ID, PCI_ANY_ID, },
10875 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE_VF,
10876 PCI_ANY_ID, PCI_ANY_ID, },
f8cafd38
JS		 10877 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK,
10878 PCI_ANY_ID, PCI_ANY_ID, },
10879 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK_VF,
10880 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10881 { 0 }
10882};
10883
10884MODULE_DEVICE_TABLE(pci, lpfc_id_table);
10885
a55b2d21 10886static const struct pci_error_handlers lpfc_err_handler = {
8d63f375
LV		 10887 .error_detected = lpfc_io_error_detected,
10888 .slot_reset = lpfc_io_slot_reset,
10889 .resume = lpfc_io_resume,
10890};
10891
dea3101e 10892static struct pci_driver lpfc_driver = {
10893 .name = LPFC_DRIVER_NAME,
10894 .id_table = lpfc_id_table,
10895 .probe = lpfc_pci_probe_one,
6f039790 10896 .remove = lpfc_pci_remove_one,
3a55b532 10897 .suspend = lpfc_pci_suspend_one,
3772a991 10898 .resume = lpfc_pci_resume_one,
2e0fef85 10899 .err_handler = &lpfc_err_handler,
dea3101e 10900};
10901
3ef6d24c 10902static const struct file_operations lpfc_mgmt_fop = {
858feacd 10903 .owner = THIS_MODULE,
3ef6d24c
JS		 10904};
10905
10906static struct miscdevice lpfc_mgmt_dev = {
10907 .minor = MISC_DYNAMIC_MINOR,
10908 .name = "lpfcmgmt",
10909 .fops = &lpfc_mgmt_fop,
10910};
10911
e59058c4 10912/**
3621a710 10913 * lpfc_init - lpfc module initialization routine
e59058c4
JS		 10914 *
10915 * This routine is to be invoked when the lpfc module is loaded into the
10916 * kernel. The special kernel macro module_init() is used to indicate the
10917 * role of this routine to the kernel as lpfc module entry point.
10918 *
10919 * Return codes
10920 * 0 - successful
10921 * -ENOMEM - FC attach transport failed
10922 * all others - failed
10923 */
dea3101e 10924static int __init
10925lpfc_init(void)
10926{
7bb03bbf 10927 int cpu;
dea3101e 10928 int error = 0;
10929
10930 printk(LPFC_MODULE_DESC "\n");
c44ce173 10931 printk(LPFC_COPYRIGHT "\n");
dea3101e 10932
3ef6d24c
JS		 10933 error = misc_register(&lpfc_mgmt_dev);
10934 if (error)
10935 printk(KERN_ERR "Could not register lpfcmgmt device, "
10936 "misc_register returned with status %d", error);
10937
7ee5d43e
JS		 10938 if (lpfc_enable_npiv) {
10939 lpfc_transport_functions.vport_create = lpfc_vport_create;
10940 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
10941 }
dea3101e 10942 lpfc_transport_template =
10943 fc_attach_transport(&lpfc_transport_functions);
7ee5d43e 10944 if (lpfc_transport_template == NULL)
dea3101e 10945 return -ENOMEM;
7ee5d43e 10946 if (lpfc_enable_npiv) {
7ee5d43e 10947 lpfc_vport_transport_template =
98c9ea5c
JS		 10948 fc_attach_transport(&lpfc_vport_transport_functions);
10949 if (lpfc_vport_transport_template == NULL) {
10950 fc_release_transport(lpfc_transport_template);
7ee5d43e 10951 return -ENOMEM;
98c9ea5c 10952 }
7ee5d43e 10953 }
7bb03bbf
JS		 10954
10955 /* Initialize in case vector mapping is needed */
b246de17
JS		 10956 lpfc_used_cpu = NULL;
10957 lpfc_present_cpu = 0;
10958 for_each_present_cpu(cpu)
10959 lpfc_present_cpu++;
7bb03bbf 10960
dea3101e 10961 error = pci_register_driver(&lpfc_driver);
92d7f7b0 10962 if (error) {
dea3101e 10963 fc_release_transport(lpfc_transport_template);
d7c255b2
JS		 10964 if (lpfc_enable_npiv)
10965 fc_release_transport(lpfc_vport_transport_template);
92d7f7b0 10966 }
dea3101e 10967
10968 return error;
10969}
10970
e59058c4 10971/**
3621a710 10972 * lpfc_exit - lpfc module removal routine
e59058c4
JS		 10973 *
10974 * This routine is invoked when the lpfc module is removed from the kernel.
10975 * The special kernel macro module_exit() is used to indicate the role of
10976 * this routine to the kernel as lpfc module exit point.
10977 */
dea3101e 10978static void __exit
10979lpfc_exit(void)
10980{
3ef6d24c 10981 misc_deregister(&lpfc_mgmt_dev);
dea3101e 10982 pci_unregister_driver(&lpfc_driver);
10983 fc_release_transport(lpfc_transport_template);
7ee5d43e
JS		 10984 if (lpfc_enable_npiv)
10985 fc_release_transport(lpfc_vport_transport_template);
81301a9b 10986 if (_dump_buf_data) {
6a9c52cf
JS		 10987 printk(KERN_ERR "9062 BLKGRD: freeing %lu pages for "
10988 "_dump_buf_data at 0x%p\n",
81301a9b
JS		 10989 (1L << _dump_buf_data_order), _dump_buf_data);
10990 free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order);
10991 }
10992
10993 if (_dump_buf_dif) {
6a9c52cf
JS		 10994 printk(KERN_ERR "9049 BLKGRD: freeing %lu pages for "
10995 "_dump_buf_dif at 0x%p\n",
81301a9b
JS		 10996 (1L << _dump_buf_dif_order), _dump_buf_dif);
10997 free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order);
10998 }
b246de17 10999 kfree(lpfc_used_cpu);
dea3101e 11000}
11001
11002module_init(lpfc_init);
11003module_exit(lpfc_exit);
11004MODULE_LICENSE("GPL");
11005MODULE_DESCRIPTION(LPFC_MODULE_DESC);
11006MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
11007MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
Linux kernel - Deliverables
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