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[SCSI] lpfc 8.3.41: Ensure driver properly zeros unused fields in SLI4 mailbox commands
[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 */
572709e2
JS		 475 i = (mb->un.varRdConfig.max_xri + 1);
476 if (phba->cfg_hba_queue_depth > i) {
477 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
478 "3359 HBA queue depth changed from %d to %d\n",
479 phba->cfg_hba_queue_depth, i);
480 phba->cfg_hba_queue_depth = i;
481 }
482
483 /* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3) */
484 i = (mb->un.varRdConfig.max_xri >> 3);
485 if (phba->pport->cfg_lun_queue_depth > i) {
486 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
487 "3360 LUN queue depth changed from %d to %d\n",
488 phba->pport->cfg_lun_queue_depth, i);
489 phba->pport->cfg_lun_queue_depth = i;
490 }
dea3101e 491
492 phba->lmt = mb->un.varRdConfig.lmt;
74b72a59
JW		 493
494 /* Get the default values for Model Name and Description */
495 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
496
2e0fef85 497 phba->link_state = LPFC_LINK_DOWN;
dea3101e 498
0b727fea 499 /* Only process IOCBs on ELS ring till hba_state is READY */
7e56aa25 500 if (psli->ring[psli->extra_ring].sli.sli3.cmdringaddr)
a4bc3379 501 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
7e56aa25 502 if (psli->ring[psli->fcp_ring].sli.sli3.cmdringaddr)
dea3101e 503 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
7e56aa25 504 if (psli->ring[psli->next_ring].sli.sli3.cmdringaddr)
dea3101e 505 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
506
507 /* Post receive buffers for desired rings */
ed957684
JS		 508 if (phba->sli_rev != 3)
509 lpfc_post_rcv_buf(phba);
dea3101e 510
9399627f
JS		 511 /*
512 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
513 */
514 if (phba->intr_type == MSIX) {
515 rc = lpfc_config_msi(phba, pmb);
516 if (rc) {
517 mempool_free(pmb, phba->mbox_mem_pool);
518 return -EIO;
519 }
520 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
521 if (rc != MBX_SUCCESS) {
522 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
523 "0352 Config MSI mailbox command "
524 "failed, mbxCmd x%x, mbxStatus x%x\n",
04c68496
JS		 525 pmb->u.mb.mbxCommand,
526 pmb->u.mb.mbxStatus);
9399627f
JS		 527 mempool_free(pmb, phba->mbox_mem_pool);
528 return -EIO;
529 }
530 }
531
04c68496 532 spin_lock_irq(&phba->hbalock);
9399627f
JS		 533 /* Initialize ERATT handling flag */
534 phba->hba_flag &= ~HBA_ERATT_HANDLED;
535
dea3101e 536 /* Enable appropriate host interrupts */
9940b97b
JS		 537 if (lpfc_readl(phba->HCregaddr, &status)) {
538 spin_unlock_irq(&phba->hbalock);
539 return -EIO;
540 }
dea3101e 541 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
542 if (psli->num_rings > 0)
543 status |= HC_R0INT_ENA;
544 if (psli->num_rings > 1)
545 status |= HC_R1INT_ENA;
546 if (psli->num_rings > 2)
547 status |= HC_R2INT_ENA;
548 if (psli->num_rings > 3)
549 status |= HC_R3INT_ENA;
550
875fbdfe
JSEC		 551 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
552 (phba->cfg_poll & DISABLE_FCP_RING_INT))
9399627f 553 status &= ~(HC_R0INT_ENA);
875fbdfe 554
dea3101e 555 writel(status, phba->HCregaddr);
556 readl(phba->HCregaddr); /* flush */
2e0fef85 557 spin_unlock_irq(&phba->hbalock);
dea3101e 558
9399627f
JS		 559 /* Set up ring-0 (ELS) timer */
560 timeout = phba->fc_ratov * 2;
256ec0d0
JS		 561 mod_timer(&vport->els_tmofunc,
562 jiffies + msecs_to_jiffies(1000 * timeout));
9399627f 563 /* Set up heart beat (HB) timer */
256ec0d0
JS		 564 mod_timer(&phba->hb_tmofunc,
565 jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
858c9f6c
JS		 566 phba->hb_outstanding = 0;
567 phba->last_completion_time = jiffies;
9399627f 568 /* Set up error attention (ERATT) polling timer */
256ec0d0
JS		 569 mod_timer(&phba->eratt_poll,
570 jiffies + msecs_to_jiffies(1000 * LPFC_ERATT_POLL_INTERVAL));
dea3101e 571
a0c87cbd
JS		 572 if (phba->hba_flag & LINK_DISABLED) {
573 lpfc_printf_log(phba,
574 KERN_ERR, LOG_INIT,
575 "2598 Adapter Link is disabled.\n");
576 lpfc_down_link(phba, pmb);
577 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
578 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
579 if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
580 lpfc_printf_log(phba,
581 KERN_ERR, LOG_INIT,
582 "2599 Adapter failed to issue DOWN_LINK"
583 " mbox command rc 0x%x\n", rc);
584
585 mempool_free(pmb, phba->mbox_mem_pool);
586 return -EIO;
587 }
e40a02c1 588 } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) {
026abb87
JS		 589 mempool_free(pmb, phba->mbox_mem_pool);
590 rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT);
591 if (rc)
592 return rc;
dea3101e 593 }
594 /* MBOX buffer will be freed in mbox compl */
57127f15 595 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
9f1177a3
JS		 596 if (!pmb) {
597 phba->link_state = LPFC_HBA_ERROR;
598 return -ENOMEM;
599 }
600
57127f15
JS		 601 lpfc_config_async(phba, pmb, LPFC_ELS_RING);
602 pmb->mbox_cmpl = lpfc_config_async_cmpl;
603 pmb->vport = phba->pport;
604 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
dea3101e 605
57127f15
JS		 606 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
607 lpfc_printf_log(phba,
608 KERN_ERR,
609 LOG_INIT,
610 "0456 Adapter failed to issue "
e4e74273 611 "ASYNCEVT_ENABLE mbox status x%x\n",
57127f15
JS		 612 rc);
613 mempool_free(pmb, phba->mbox_mem_pool);
614 }
97207482
JS		 615
616 /* Get Option rom version */
617 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
9f1177a3
JS		 618 if (!pmb) {
619 phba->link_state = LPFC_HBA_ERROR;
620 return -ENOMEM;
621 }
622
97207482
JS		 623 lpfc_dump_wakeup_param(phba, pmb);
624 pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl;
625 pmb->vport = phba->pport;
626 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
627
628 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
629 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed "
e4e74273 630 "to get Option ROM version status x%x\n", rc);
97207482
JS		 631 mempool_free(pmb, phba->mbox_mem_pool);
632 }
633
d7c255b2 634 return 0;
ce8b3ce5
JS		 635}
636
84d1b006
JS		 637/**
638 * lpfc_hba_init_link - Initialize the FC link
639 * @phba: pointer to lpfc hba data structure.
6e7288d9 640 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
84d1b006
JS		 641 *
642 * This routine will issue the INIT_LINK mailbox command call.
643 * It is available to other drivers through the lpfc_hba data
644 * structure for use as a delayed link up mechanism with the
645 * module parameter lpfc_suppress_link_up.
646 *
647 * Return code
648 * 0 - success
649 * Any other value - error
650 **/
651int
6e7288d9 652lpfc_hba_init_link(struct lpfc_hba *phba, uint32_t flag)
1b51197d
JS		 653{
654 return lpfc_hba_init_link_fc_topology(phba, phba->cfg_topology, flag);
655}
656
657/**
658 * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology
659 * @phba: pointer to lpfc hba data structure.
660 * @fc_topology: desired fc topology.
661 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
662 *
663 * This routine will issue the INIT_LINK mailbox command call.
664 * It is available to other drivers through the lpfc_hba data
665 * structure for use as a delayed link up mechanism with the
666 * module parameter lpfc_suppress_link_up.
667 *
668 * Return code
669 * 0 - success
670 * Any other value - error
671 **/
672int
673lpfc_hba_init_link_fc_topology(struct lpfc_hba *phba, uint32_t fc_topology,
674 uint32_t flag)
84d1b006
JS		 675{
676 struct lpfc_vport *vport = phba->pport;
677 LPFC_MBOXQ_t *pmb;
678 MAILBOX_t *mb;
679 int rc;
680
681 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
682 if (!pmb) {
683 phba->link_state = LPFC_HBA_ERROR;
684 return -ENOMEM;
685 }
686 mb = &pmb->u.mb;
687 pmb->vport = vport;
688
026abb87
JS		 689 if ((phba->cfg_link_speed > LPFC_USER_LINK_SPEED_MAX) ||
690 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_1G) &&
691 !(phba->lmt & LMT_1Gb)) ||
692 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_2G) &&
693 !(phba->lmt & LMT_2Gb)) ||
694 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_4G) &&
695 !(phba->lmt & LMT_4Gb)) ||
696 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_8G) &&
697 !(phba->lmt & LMT_8Gb)) ||
698 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_10G) &&
699 !(phba->lmt & LMT_10Gb)) ||
700 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G) &&
701 !(phba->lmt & LMT_16Gb))) {
702 /* Reset link speed to auto */
703 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
704 "1302 Invalid speed for this board:%d "
705 "Reset link speed to auto.\n",
706 phba->cfg_link_speed);
707 phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO;
708 }
1b51197d 709 lpfc_init_link(phba, pmb, fc_topology, phba->cfg_link_speed);
84d1b006 710 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1b51197d
JS		 711 if (phba->sli_rev < LPFC_SLI_REV4)
712 lpfc_set_loopback_flag(phba);
6e7288d9 713 rc = lpfc_sli_issue_mbox(phba, pmb, flag);
76a95d75 714 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
84d1b006
JS		 715 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
716 "0498 Adapter failed to init, mbxCmd x%x "
717 "INIT_LINK, mbxStatus x%x\n",
718 mb->mbxCommand, mb->mbxStatus);
76a95d75
JS		 719 if (phba->sli_rev <= LPFC_SLI_REV3) {
720 /* Clear all interrupt enable conditions */
721 writel(0, phba->HCregaddr);
722 readl(phba->HCregaddr); /* flush */
723 /* Clear all pending interrupts */
724 writel(0xffffffff, phba->HAregaddr);
725 readl(phba->HAregaddr); /* flush */
726 }
84d1b006 727 phba->link_state = LPFC_HBA_ERROR;
6e7288d9 728 if (rc != MBX_BUSY || flag == MBX_POLL)
84d1b006
JS		 729 mempool_free(pmb, phba->mbox_mem_pool);
730 return -EIO;
731 }
e40a02c1 732 phba->cfg_suppress_link_up = LPFC_INITIALIZE_LINK;
6e7288d9
JS		 733 if (flag == MBX_POLL)
734 mempool_free(pmb, phba->mbox_mem_pool);
84d1b006
JS		 735
736 return 0;
737}
738
739/**
740 * lpfc_hba_down_link - this routine downs the FC link
6e7288d9
JS		 741 * @phba: pointer to lpfc hba data structure.
742 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
84d1b006
JS		 743 *
744 * This routine will issue the DOWN_LINK mailbox command call.
745 * It is available to other drivers through the lpfc_hba data
746 * structure for use to stop the link.
747 *
748 * Return code
749 * 0 - success
750 * Any other value - error
751 **/
752int
6e7288d9 753lpfc_hba_down_link(struct lpfc_hba *phba, uint32_t flag)
84d1b006
JS		 754{
755 LPFC_MBOXQ_t *pmb;
756 int rc;
757
758 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
759 if (!pmb) {
760 phba->link_state = LPFC_HBA_ERROR;
761 return -ENOMEM;
762 }
763
764 lpfc_printf_log(phba,
765 KERN_ERR, LOG_INIT,
766 "0491 Adapter Link is disabled.\n");
767 lpfc_down_link(phba, pmb);
768 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
6e7288d9 769 rc = lpfc_sli_issue_mbox(phba, pmb, flag);
84d1b006
JS		 770 if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
771 lpfc_printf_log(phba,
772 KERN_ERR, LOG_INIT,
773 "2522 Adapter failed to issue DOWN_LINK"
774 " mbox command rc 0x%x\n", rc);
775
776 mempool_free(pmb, phba->mbox_mem_pool);
777 return -EIO;
778 }
6e7288d9
JS		 779 if (flag == MBX_POLL)
780 mempool_free(pmb, phba->mbox_mem_pool);
781
84d1b006
JS		 782 return 0;
783}
784
e59058c4 785/**
3621a710 786 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
e59058c4
JS		 787 * @phba: pointer to lpfc HBA data structure.
788 *
789 * This routine will do LPFC uninitialization before the HBA is reset when
790 * bringing down the SLI Layer.
791 *
792 * Return codes
793 * 0 - success.
794 * Any other value - error.
795 **/
dea3101e 796int
2e0fef85 797lpfc_hba_down_prep(struct lpfc_hba *phba)
dea3101e 798{
1b32f6aa
JS		 799 struct lpfc_vport **vports;
800 int i;
3772a991
JS		 801
802 if (phba->sli_rev <= LPFC_SLI_REV3) {
803 /* Disable interrupts */
804 writel(0, phba->HCregaddr);
805 readl(phba->HCregaddr); /* flush */
806 }
dea3101e 807
1b32f6aa
JS		 808 if (phba->pport->load_flag & FC_UNLOADING)
809 lpfc_cleanup_discovery_resources(phba->pport);
810 else {
811 vports = lpfc_create_vport_work_array(phba);
812 if (vports != NULL)
3772a991
JS		 813 for (i = 0; i <= phba->max_vports &&
814 vports[i] != NULL; i++)
1b32f6aa
JS		 815 lpfc_cleanup_discovery_resources(vports[i]);
816 lpfc_destroy_vport_work_array(phba, vports);
7f5f3d0d
JS		 817 }
818 return 0;
dea3101e 819}
820
e59058c4 821/**
3772a991 822 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
e59058c4
JS		 823 * @phba: pointer to lpfc HBA data structure.
824 *
825 * This routine will do uninitialization after the HBA is reset when bring
826 * down the SLI Layer.
827 *
828 * Return codes
af901ca1 829 * 0 - success.
e59058c4
JS		 830 * Any other value - error.
831 **/
3772a991
JS		 832static int
833lpfc_hba_down_post_s3(struct lpfc_hba *phba)
41415862
JW		 834{
835 struct lpfc_sli *psli = &phba->sli;
836 struct lpfc_sli_ring *pring;
837 struct lpfc_dmabuf *mp, *next_mp;
09372820 838 LIST_HEAD(completions);
41415862
JW		 839 int i;
840
92d7f7b0
JS		 841 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
842 lpfc_sli_hbqbuf_free_all(phba);
843 else {
844 /* Cleanup preposted buffers on the ELS ring */
845 pring = &psli->ring[LPFC_ELS_RING];
846 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
847 list_del(&mp->list);
848 pring->postbufq_cnt--;
849 lpfc_mbuf_free(phba, mp->virt, mp->phys);
850 kfree(mp);
851 }
41415862
JW		 852 }
853
09372820 854 spin_lock_irq(&phba->hbalock);
41415862
JW		 855 for (i = 0; i < psli->num_rings; i++) {
856 pring = &psli->ring[i];
09372820
JS		 857
858 /* At this point in time the HBA is either reset or DOA. Either
859 * way, nothing should be on txcmplq as it will NEVER complete.
860 */
861 list_splice_init(&pring->txcmplq, &completions);
09372820
JS		 862 spin_unlock_irq(&phba->hbalock);
863
a257bf90
JS		 864 /* Cancel all the IOCBs from the completions list */
865 lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
866 IOERR_SLI_ABORTED);
09372820 867
41415862 868 lpfc_sli_abort_iocb_ring(phba, pring);
09372820 869 spin_lock_irq(&phba->hbalock);
41415862 870 }
09372820 871 spin_unlock_irq(&phba->hbalock);
41415862
JW		 872
873 return 0;
874}
5af5eee7 875
da0436e9
JS		 876/**
877 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
878 * @phba: pointer to lpfc HBA data structure.
879 *
880 * This routine will do uninitialization after the HBA is reset when bring
881 * down the SLI Layer.
882 *
883 * Return codes
af901ca1 884 * 0 - success.
da0436e9
JS		 885 * Any other value - error.
886 **/
887static int
888lpfc_hba_down_post_s4(struct lpfc_hba *phba)
889{
890 struct lpfc_scsi_buf *psb, *psb_next;
891 LIST_HEAD(aborts);
892 int ret;
893 unsigned long iflag = 0;
0f65ff68
JS		 894 struct lpfc_sglq *sglq_entry = NULL;
895
da0436e9
JS		 896 ret = lpfc_hba_down_post_s3(phba);
897 if (ret)
898 return ret;
899 /* At this point in time the HBA is either reset or DOA. Either
900 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
901 * on the lpfc_sgl_list so that it can either be freed if the
902 * driver is unloading or reposted if the driver is restarting
903 * the port.
904 */
905 spin_lock_irq(&phba->hbalock); /* required for lpfc_sgl_list and */
906 /* scsl_buf_list */
907 /* abts_sgl_list_lock required because worker thread uses this
908 * list.
909 */
910 spin_lock(&phba->sli4_hba.abts_sgl_list_lock);
0f65ff68
JS		 911 list_for_each_entry(sglq_entry,
912 &phba->sli4_hba.lpfc_abts_els_sgl_list, list)
913 sglq_entry->state = SGL_FREED;
914
da0436e9
JS		 915 list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list,
916 &phba->sli4_hba.lpfc_sgl_list);
917 spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
918 /* abts_scsi_buf_list_lock required because worker thread uses this
919 * list.
920 */
921 spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock);
922 list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list,
923 &aborts);
924 spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock);
925 spin_unlock_irq(&phba->hbalock);
926
927 list_for_each_entry_safe(psb, psb_next, &aborts, list) {
928 psb->pCmd = NULL;
929 psb->status = IOSTAT_SUCCESS;
930 }
a40fc5f0
JS		 931 spin_lock_irqsave(&phba->scsi_buf_list_put_lock, iflag);
932 list_splice(&aborts, &phba->lpfc_scsi_buf_list_put);
933 spin_unlock_irqrestore(&phba->scsi_buf_list_put_lock, iflag);
da0436e9
JS		 934 return 0;
935}
936
937/**
938 * lpfc_hba_down_post - Wrapper func for hba down post routine
939 * @phba: pointer to lpfc HBA data structure.
940 *
941 * This routine wraps the actual SLI3 or SLI4 routine for performing
942 * uninitialization after the HBA is reset when bring down the SLI Layer.
943 *
944 * Return codes
af901ca1 945 * 0 - success.
da0436e9
JS		 946 * Any other value - error.
947 **/
948int
949lpfc_hba_down_post(struct lpfc_hba *phba)
950{
951 return (*phba->lpfc_hba_down_post)(phba);
952}
41415862 953
e59058c4 954/**
3621a710 955 * lpfc_hb_timeout - The HBA-timer timeout handler
e59058c4
JS		 956 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
957 *
958 * This is the HBA-timer timeout handler registered to the lpfc driver. When
959 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
960 * work-port-events bitmap and the worker thread is notified. This timeout
961 * event will be used by the worker thread to invoke the actual timeout
962 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
963 * be performed in the timeout handler and the HBA timeout event bit shall
964 * be cleared by the worker thread after it has taken the event bitmap out.
965 **/
a6ababd2 966static void
858c9f6c
JS		 967lpfc_hb_timeout(unsigned long ptr)
968{
969 struct lpfc_hba *phba;
5e9d9b82 970 uint32_t tmo_posted;
858c9f6c
JS		 971 unsigned long iflag;
972
973 phba = (struct lpfc_hba *)ptr;
9399627f
JS		 974
975 /* Check for heart beat timeout conditions */
858c9f6c 976 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
5e9d9b82
JS		 977 tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO;
978 if (!tmo_posted)
858c9f6c
JS		 979 phba->pport->work_port_events |= WORKER_HB_TMO;
980 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
981
9399627f 982 /* Tell the worker thread there is work to do */
5e9d9b82
JS		 983 if (!tmo_posted)
984 lpfc_worker_wake_up(phba);
858c9f6c
JS		 985 return;
986}
987
19ca7609
JS		 988/**
989 * lpfc_rrq_timeout - The RRQ-timer timeout handler
990 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
991 *
992 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
993 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
994 * work-port-events bitmap and the worker thread is notified. This timeout
995 * event will be used by the worker thread to invoke the actual timeout
996 * handler routine, lpfc_rrq_handler. Any periodical operations will
997 * be performed in the timeout handler and the RRQ timeout event bit shall
998 * be cleared by the worker thread after it has taken the event bitmap out.
999 **/
1000static void
1001lpfc_rrq_timeout(unsigned long ptr)
1002{
1003 struct lpfc_hba *phba;
19ca7609
JS		 1004 unsigned long iflag;
1005
1006 phba = (struct lpfc_hba *)ptr;
1007 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
1151e3ec 1008 phba->hba_flag |= HBA_RRQ_ACTIVE;
19ca7609 1009 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
1151e3ec 1010 lpfc_worker_wake_up(phba);
19ca7609
JS		 1011}
1012
e59058c4 1013/**
3621a710 1014 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
e59058c4
JS		 1015 * @phba: pointer to lpfc hba data structure.
1016 * @pmboxq: pointer to the driver internal queue element for mailbox command.
1017 *
1018 * This is the callback function to the lpfc heart-beat mailbox command.
1019 * If configured, the lpfc driver issues the heart-beat mailbox command to
1020 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
1021 * heart-beat mailbox command is issued, the driver shall set up heart-beat
1022 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
1023 * heart-beat outstanding state. Once the mailbox command comes back and
1024 * no error conditions detected, the heart-beat mailbox command timer is
1025 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1026 * state is cleared for the next heart-beat. If the timer expired with the
1027 * heart-beat outstanding state set, the driver will put the HBA offline.
1028 **/
858c9f6c
JS		 1029static void
1030lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
1031{
1032 unsigned long drvr_flag;
1033
1034 spin_lock_irqsave(&phba->hbalock, drvr_flag);
1035 phba->hb_outstanding = 0;
1036 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
1037
9399627f 1038 /* Check and reset heart-beat timer is necessary */
858c9f6c
JS		 1039 mempool_free(pmboxq, phba->mbox_mem_pool);
1040 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
1041 !(phba->link_state == LPFC_HBA_ERROR) &&
51ef4c26 1042 !(phba->pport->load_flag & FC_UNLOADING))
858c9f6c 1043 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1044 jiffies +
1045 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
858c9f6c
JS		 1046 return;
1047}
1048
e59058c4 1049/**
3621a710 1050 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
e59058c4
JS		 1051 * @phba: pointer to lpfc hba data structure.
1052 *
1053 * This is the actual HBA-timer timeout handler to be invoked by the worker
1054 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1055 * handler performs any periodic operations needed for the device. If such
1056 * periodic event has already been attended to either in the interrupt handler
1057 * or by processing slow-ring or fast-ring events within the HBA-timer
1058 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1059 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1060 * is configured and there is no heart-beat mailbox command outstanding, a
1061 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1062 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1063 * to offline.
1064 **/
858c9f6c
JS		 1065void
1066lpfc_hb_timeout_handler(struct lpfc_hba *phba)
1067{
45ed1190 1068 struct lpfc_vport **vports;
858c9f6c 1069 LPFC_MBOXQ_t *pmboxq;
0ff10d46 1070 struct lpfc_dmabuf *buf_ptr;
45ed1190 1071 int retval, i;
858c9f6c 1072 struct lpfc_sli *psli = &phba->sli;
0ff10d46 1073 LIST_HEAD(completions);
858c9f6c 1074
45ed1190
JS		 1075 vports = lpfc_create_vport_work_array(phba);
1076 if (vports != NULL)
1077 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
1078 lpfc_rcv_seq_check_edtov(vports[i]);
1079 lpfc_destroy_vport_work_array(phba, vports);
1080
858c9f6c 1081 if ((phba->link_state == LPFC_HBA_ERROR) ||
51ef4c26 1082 (phba->pport->load_flag & FC_UNLOADING) ||
858c9f6c
JS		 1083 (phba->pport->fc_flag & FC_OFFLINE_MODE))
1084 return;
1085
1086 spin_lock_irq(&phba->pport->work_port_lock);
858c9f6c 1087
256ec0d0
JS		 1088 if (time_after(phba->last_completion_time +
1089 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL),
1090 jiffies)) {
858c9f6c
JS		 1091 spin_unlock_irq(&phba->pport->work_port_lock);
1092 if (!phba->hb_outstanding)
1093 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1094 jiffies +
1095 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
858c9f6c
JS		 1096 else
1097 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1098 jiffies +
1099 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
858c9f6c
JS		 1100 return;
1101 }
1102 spin_unlock_irq(&phba->pport->work_port_lock);
1103
0ff10d46
JS		 1104 if (phba->elsbuf_cnt &&
1105 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
1106 spin_lock_irq(&phba->hbalock);
1107 list_splice_init(&phba->elsbuf, &completions);
1108 phba->elsbuf_cnt = 0;
1109 phba->elsbuf_prev_cnt = 0;
1110 spin_unlock_irq(&phba->hbalock);
1111
1112 while (!list_empty(&completions)) {
1113 list_remove_head(&completions, buf_ptr,
1114 struct lpfc_dmabuf, list);
1115 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
1116 kfree(buf_ptr);
1117 }
1118 }
1119 phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
1120
858c9f6c 1121 /* If there is no heart beat outstanding, issue a heartbeat command */
13815c83
JS		 1122 if (phba->cfg_enable_hba_heartbeat) {
1123 if (!phba->hb_outstanding) {
bc73905a
JS		 1124 if ((!(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) &&
1125 (list_empty(&psli->mboxq))) {
1126 pmboxq = mempool_alloc(phba->mbox_mem_pool,
1127 GFP_KERNEL);
1128 if (!pmboxq) {
1129 mod_timer(&phba->hb_tmofunc,
1130 jiffies +
256ec0d0
JS		 1131 msecs_to_jiffies(1000 *
1132 LPFC_HB_MBOX_INTERVAL));
bc73905a
JS		 1133 return;
1134 }
1135
1136 lpfc_heart_beat(phba, pmboxq);
1137 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
1138 pmboxq->vport = phba->pport;
1139 retval = lpfc_sli_issue_mbox(phba, pmboxq,
1140 MBX_NOWAIT);
1141
1142 if (retval != MBX_BUSY &&
1143 retval != MBX_SUCCESS) {
1144 mempool_free(pmboxq,
1145 phba->mbox_mem_pool);
1146 mod_timer(&phba->hb_tmofunc,
1147 jiffies +
256ec0d0
JS		 1148 msecs_to_jiffies(1000 *
1149 LPFC_HB_MBOX_INTERVAL));
bc73905a
JS		 1150 return;
1151 }
1152 phba->skipped_hb = 0;
1153 phba->hb_outstanding = 1;
1154 } else if (time_before_eq(phba->last_completion_time,
1155 phba->skipped_hb)) {
1156 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1157 "2857 Last completion time not "
1158 " updated in %d ms\n",
1159 jiffies_to_msecs(jiffies
1160 - phba->last_completion_time));
1161 } else
1162 phba->skipped_hb = jiffies;
1163
858c9f6c 1164 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1165 jiffies +
1166 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
858c9f6c 1167 return;
13815c83
JS		 1168 } else {
1169 /*
1170 * If heart beat timeout called with hb_outstanding set
dcf2a4e0
JS		 1171 * we need to give the hb mailbox cmd a chance to
1172 * complete or TMO.
13815c83 1173 */
dcf2a4e0
JS		 1174 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1175 "0459 Adapter heartbeat still out"
1176 "standing:last compl time was %d ms.\n",
1177 jiffies_to_msecs(jiffies
1178 - phba->last_completion_time));
1179 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1180 jiffies +
1181 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
858c9f6c 1182 }
858c9f6c
JS		 1183 }
1184}
1185
e59058c4 1186/**
3621a710 1187 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
e59058c4
JS		 1188 * @phba: pointer to lpfc hba data structure.
1189 *
1190 * This routine is called to bring the HBA offline when HBA hardware error
1191 * other than Port Error 6 has been detected.
1192 **/
09372820
JS		 1193static void
1194lpfc_offline_eratt(struct lpfc_hba *phba)
1195{
1196 struct lpfc_sli *psli = &phba->sli;
1197
1198 spin_lock_irq(&phba->hbalock);
f4b4c68f 1199 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
09372820 1200 spin_unlock_irq(&phba->hbalock);
618a5230 1201 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
09372820
JS		 1202
1203 lpfc_offline(phba);
1204 lpfc_reset_barrier(phba);
f4b4c68f 1205 spin_lock_irq(&phba->hbalock);
09372820 1206 lpfc_sli_brdreset(phba);
f4b4c68f 1207 spin_unlock_irq(&phba->hbalock);
09372820
JS		 1208 lpfc_hba_down_post(phba);
1209 lpfc_sli_brdready(phba, HS_MBRDY);
1210 lpfc_unblock_mgmt_io(phba);
1211 phba->link_state = LPFC_HBA_ERROR;
1212 return;
1213}
1214
da0436e9
JS		 1215/**
1216 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1217 * @phba: pointer to lpfc hba data structure.
1218 *
1219 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1220 * other than Port Error 6 has been detected.
1221 **/
a88dbb6a 1222void
da0436e9
JS		 1223lpfc_sli4_offline_eratt(struct lpfc_hba *phba)
1224{
618a5230 1225 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
da0436e9
JS		 1226 lpfc_offline(phba);
1227 lpfc_sli4_brdreset(phba);
1228 lpfc_hba_down_post(phba);
1229 lpfc_sli4_post_status_check(phba);
1230 lpfc_unblock_mgmt_io(phba);
1231 phba->link_state = LPFC_HBA_ERROR;
1232}
1233
a257bf90
JS		 1234/**
1235 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1236 * @phba: pointer to lpfc hba data structure.
1237 *
1238 * This routine is invoked to handle the deferred HBA hardware error
1239 * conditions. This type of error is indicated by HBA by setting ER1
1240 * and another ER bit in the host status register. The driver will
1241 * wait until the ER1 bit clears before handling the error condition.
1242 **/
1243static void
1244lpfc_handle_deferred_eratt(struct lpfc_hba *phba)
1245{
1246 uint32_t old_host_status = phba->work_hs;
1247 struct lpfc_sli_ring *pring;
1248 struct lpfc_sli *psli = &phba->sli;
1249
f4b4c68f
JS		 1250 /* If the pci channel is offline, ignore possible errors,
1251 * since we cannot communicate with the pci card anyway.
1252 */
1253 if (pci_channel_offline(phba->pcidev)) {
1254 spin_lock_irq(&phba->hbalock);
1255 phba->hba_flag &= ~DEFER_ERATT;
1256 spin_unlock_irq(&phba->hbalock);
1257 return;
1258 }
1259
a257bf90
JS		 1260 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1261 "0479 Deferred Adapter Hardware Error "
1262 "Data: x%x x%x x%x\n",
1263 phba->work_hs,
1264 phba->work_status[0], phba->work_status[1]);
1265
1266 spin_lock_irq(&phba->hbalock);
f4b4c68f 1267 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
a257bf90
JS		 1268 spin_unlock_irq(&phba->hbalock);
1269
1270
1271 /*
1272 * Firmware stops when it triggred erratt. That could cause the I/Os
1273 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1274 * SCSI layer retry it after re-establishing link.
1275 */
1276 pring = &psli->ring[psli->fcp_ring];
1277 lpfc_sli_abort_iocb_ring(phba, pring);
1278
1279 /*
1280 * There was a firmware error. Take the hba offline and then
1281 * attempt to restart it.
1282 */
618a5230 1283 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
a257bf90
JS		 1284 lpfc_offline(phba);
1285
1286 /* Wait for the ER1 bit to clear.*/
1287 while (phba->work_hs & HS_FFER1) {
1288 msleep(100);
9940b97b
JS		 1289 if (lpfc_readl(phba->HSregaddr, &phba->work_hs)) {
1290 phba->work_hs = UNPLUG_ERR ;
1291 break;
1292 }
a257bf90
JS		 1293 /* If driver is unloading let the worker thread continue */
1294 if (phba->pport->load_flag & FC_UNLOADING) {
1295 phba->work_hs = 0;
1296 break;
1297 }
1298 }
1299
1300 /*
1301 * This is to ptrotect against a race condition in which
1302 * first write to the host attention register clear the
1303 * host status register.
1304 */
1305 if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING)))
1306 phba->work_hs = old_host_status & ~HS_FFER1;
1307
3772a991 1308 spin_lock_irq(&phba->hbalock);
a257bf90 1309 phba->hba_flag &= ~DEFER_ERATT;
3772a991 1310 spin_unlock_irq(&phba->hbalock);
a257bf90
JS		 1311 phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
1312 phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
1313}
1314
3772a991
JS		 1315static void
1316lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba)
1317{
1318 struct lpfc_board_event_header board_event;
1319 struct Scsi_Host *shost;
1320
1321 board_event.event_type = FC_REG_BOARD_EVENT;
1322 board_event.subcategory = LPFC_EVENT_PORTINTERR;
1323 shost = lpfc_shost_from_vport(phba->pport);
1324 fc_host_post_vendor_event(shost, fc_get_event_number(),
1325 sizeof(board_event),
1326 (char *) &board_event,
1327 LPFC_NL_VENDOR_ID);
1328}
1329
e59058c4 1330/**
3772a991 1331 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
e59058c4
JS		 1332 * @phba: pointer to lpfc hba data structure.
1333 *
1334 * This routine is invoked to handle the following HBA hardware error
1335 * conditions:
1336 * 1 - HBA error attention interrupt
1337 * 2 - DMA ring index out of range
1338 * 3 - Mailbox command came back as unknown
1339 **/
3772a991
JS		 1340static void
1341lpfc_handle_eratt_s3(struct lpfc_hba *phba)
dea3101e 1342{
2e0fef85 1343 struct lpfc_vport *vport = phba->pport;
2e0fef85 1344 struct lpfc_sli *psli = &phba->sli;
dea3101e 1345 struct lpfc_sli_ring *pring;
d2873e4c 1346 uint32_t event_data;
57127f15
JS		 1347 unsigned long temperature;
1348 struct temp_event temp_event_data;
92d7f7b0 1349 struct Scsi_Host *shost;
2e0fef85 1350
8d63f375 1351 /* If the pci channel is offline, ignore possible errors,
3772a991
JS		 1352 * since we cannot communicate with the pci card anyway.
1353 */
1354 if (pci_channel_offline(phba->pcidev)) {
1355 spin_lock_irq(&phba->hbalock);
1356 phba->hba_flag &= ~DEFER_ERATT;
1357 spin_unlock_irq(&phba->hbalock);
8d63f375 1358 return;
3772a991
JS		 1359 }
1360
13815c83
JS		 1361 /* If resets are disabled then leave the HBA alone and return */
1362 if (!phba->cfg_enable_hba_reset)
1363 return;
dea3101e 1364
ea2151b4 1365 /* Send an internal error event to mgmt application */
3772a991 1366 lpfc_board_errevt_to_mgmt(phba);
ea2151b4 1367
a257bf90
JS		 1368 if (phba->hba_flag & DEFER_ERATT)
1369 lpfc_handle_deferred_eratt(phba);
1370
dcf2a4e0
JS		 1371 if ((phba->work_hs & HS_FFER6) || (phba->work_hs & HS_FFER8)) {
1372 if (phba->work_hs & HS_FFER6)
1373 /* Re-establishing Link */
1374 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
1375 "1301 Re-establishing Link "
1376 "Data: x%x x%x x%x\n",
1377 phba->work_hs, phba->work_status[0],
1378 phba->work_status[1]);
1379 if (phba->work_hs & HS_FFER8)
1380 /* Device Zeroization */
1381 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
1382 "2861 Host Authentication device "
1383 "zeroization Data:x%x x%x x%x\n",
1384 phba->work_hs, phba->work_status[0],
1385 phba->work_status[1]);
58da1ffb 1386
92d7f7b0 1387 spin_lock_irq(&phba->hbalock);
f4b4c68f 1388 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
92d7f7b0 1389 spin_unlock_irq(&phba->hbalock);
dea3101e 1390
1391 /*
1392 * Firmware stops when it triggled erratt with HS_FFER6.
1393 * That could cause the I/Os dropped by the firmware.
1394 * Error iocb (I/O) on txcmplq and let the SCSI layer
1395 * retry it after re-establishing link.
1396 */
1397 pring = &psli->ring[psli->fcp_ring];
1398 lpfc_sli_abort_iocb_ring(phba, pring);
1399
dea3101e 1400 /*
1401 * There was a firmware error. Take the hba offline and then
1402 * attempt to restart it.
1403 */
618a5230 1404 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
dea3101e 1405 lpfc_offline(phba);
41415862 1406 lpfc_sli_brdrestart(phba);
dea3101e 1407 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
46fa311e 1408 lpfc_unblock_mgmt_io(phba);
dea3101e 1409 return;
1410 }
46fa311e 1411 lpfc_unblock_mgmt_io(phba);
57127f15
JS		 1412 } else if (phba->work_hs & HS_CRIT_TEMP) {
1413 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
1414 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
1415 temp_event_data.event_code = LPFC_CRIT_TEMP;
1416 temp_event_data.data = (uint32_t)temperature;
1417
1418 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
d7c255b2 1419 "0406 Adapter maximum temperature exceeded "
57127f15
JS		 1420 "(%ld), taking this port offline "
1421 "Data: x%x x%x x%x\n",
1422 temperature, phba->work_hs,
1423 phba->work_status[0], phba->work_status[1]);
1424
1425 shost = lpfc_shost_from_vport(phba->pport);
1426 fc_host_post_vendor_event(shost, fc_get_event_number(),
1427 sizeof(temp_event_data),
1428 (char *) &temp_event_data,
1429 SCSI_NL_VID_TYPE_PCI
1430 | PCI_VENDOR_ID_EMULEX);
1431
7af67051 1432 spin_lock_irq(&phba->hbalock);
7af67051
JS		 1433 phba->over_temp_state = HBA_OVER_TEMP;
1434 spin_unlock_irq(&phba->hbalock);
09372820 1435 lpfc_offline_eratt(phba);
57127f15 1436
dea3101e 1437 } else {
1438 /* The if clause above forces this code path when the status
9399627f
JS		 1439 * failure is a value other than FFER6. Do not call the offline
1440 * twice. This is the adapter hardware error path.
dea3101e 1441 */
1442 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 1443 "0457 Adapter Hardware Error "
dea3101e 1444 "Data: x%x x%x x%x\n",
e8b62011 1445 phba->work_hs,
dea3101e 1446 phba->work_status[0], phba->work_status[1]);
1447
d2873e4c 1448 event_data = FC_REG_DUMP_EVENT;
92d7f7b0 1449 shost = lpfc_shost_from_vport(vport);
2e0fef85 1450 fc_host_post_vendor_event(shost, fc_get_event_number(),
d2873e4c
JS		 1451 sizeof(event_data), (char *) &event_data,
1452 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
1453
09372820 1454 lpfc_offline_eratt(phba);
dea3101e 1455 }
9399627f 1456 return;
dea3101e 1457}
1458
618a5230
JS		 1459/**
1460 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
1461 * @phba: pointer to lpfc hba data structure.
1462 * @mbx_action: flag for mailbox shutdown action.
1463 *
1464 * This routine is invoked to perform an SLI4 port PCI function reset in
1465 * response to port status register polling attention. It waits for port
1466 * status register (ERR, RDY, RN) bits before proceeding with function reset.
1467 * During this process, interrupt vectors are freed and later requested
1468 * for handling possible port resource change.
1469 **/
1470static int
1471lpfc_sli4_port_sta_fn_reset(struct lpfc_hba *phba, int mbx_action)
1472{
1473 int rc;
1474 uint32_t intr_mode;
1475
1476 /*
1477 * On error status condition, driver need to wait for port
1478 * ready before performing reset.
1479 */
1480 rc = lpfc_sli4_pdev_status_reg_wait(phba);
1481 if (!rc) {
1482 /* need reset: attempt for port recovery */
1483 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1484 "2887 Reset Needed: Attempting Port "
1485 "Recovery...\n");
1486 lpfc_offline_prep(phba, mbx_action);
1487 lpfc_offline(phba);
1488 /* release interrupt for possible resource change */
1489 lpfc_sli4_disable_intr(phba);
1490 lpfc_sli_brdrestart(phba);
1491 /* request and enable interrupt */
1492 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
1493 if (intr_mode == LPFC_INTR_ERROR) {
1494 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1495 "3175 Failed to enable interrupt\n");
1496 return -EIO;
1497 } else {
1498 phba->intr_mode = intr_mode;
1499 }
1500 rc = lpfc_online(phba);
1501 if (rc == 0)
1502 lpfc_unblock_mgmt_io(phba);
1503 }
1504 return rc;
1505}
1506
da0436e9
JS		 1507/**
1508 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1509 * @phba: pointer to lpfc hba data structure.
1510 *
1511 * This routine is invoked to handle the SLI4 HBA hardware error attention
1512 * conditions.
1513 **/
1514static void
1515lpfc_handle_eratt_s4(struct lpfc_hba *phba)
1516{
1517 struct lpfc_vport *vport = phba->pport;
1518 uint32_t event_data;
1519 struct Scsi_Host *shost;
2fcee4bf 1520 uint32_t if_type;
2e90f4b5
JS		 1521 struct lpfc_register portstat_reg = {0};
1522 uint32_t reg_err1, reg_err2;
1523 uint32_t uerrlo_reg, uemasklo_reg;
1524 uint32_t pci_rd_rc1, pci_rd_rc2;
73d91e50 1525 int rc;
da0436e9
JS		 1526
1527 /* If the pci channel is offline, ignore possible errors, since
1528 * we cannot communicate with the pci card anyway.
1529 */
1530 if (pci_channel_offline(phba->pcidev))
1531 return;
1532 /* If resets are disabled then leave the HBA alone and return */
1533 if (!phba->cfg_enable_hba_reset)
1534 return;
1535
2fcee4bf
JS		 1536 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
1537 switch (if_type) {
1538 case LPFC_SLI_INTF_IF_TYPE_0:
2e90f4b5
JS		 1539 pci_rd_rc1 = lpfc_readl(
1540 phba->sli4_hba.u.if_type0.UERRLOregaddr,
1541 &uerrlo_reg);
1542 pci_rd_rc2 = lpfc_readl(
1543 phba->sli4_hba.u.if_type0.UEMASKLOregaddr,
1544 &uemasklo_reg);
1545 /* consider PCI bus read error as pci_channel_offline */
1546 if (pci_rd_rc1 == -EIO && pci_rd_rc2 == -EIO)
1547 return;
2fcee4bf
JS		 1548 lpfc_sli4_offline_eratt(phba);
1549 break;
1550 case LPFC_SLI_INTF_IF_TYPE_2:
2e90f4b5
JS		 1551 pci_rd_rc1 = lpfc_readl(
1552 phba->sli4_hba.u.if_type2.STATUSregaddr,
1553 &portstat_reg.word0);
1554 /* consider PCI bus read error as pci_channel_offline */
6b5151fd
JS		 1555 if (pci_rd_rc1 == -EIO) {
1556 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1557 "3151 PCI bus read access failure: x%x\n",
1558 readl(phba->sli4_hba.u.if_type2.STATUSregaddr));
2e90f4b5 1559 return;
6b5151fd 1560 }
2e90f4b5
JS		 1561 reg_err1 = readl(phba->sli4_hba.u.if_type2.ERR1regaddr);
1562 reg_err2 = readl(phba->sli4_hba.u.if_type2.ERR2regaddr);
2fcee4bf
JS		 1563 if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) {
1564 /* TODO: Register for Overtemp async events. */
1565 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1566 "2889 Port Overtemperature event, "
026abb87 1567 "taking port offline\n");
2fcee4bf
JS		 1568 spin_lock_irq(&phba->hbalock);
1569 phba->over_temp_state = HBA_OVER_TEMP;
1570 spin_unlock_irq(&phba->hbalock);
1571 lpfc_sli4_offline_eratt(phba);
2e90f4b5 1572 break;
2fcee4bf 1573 }
2e90f4b5
JS		 1574 if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1575 reg_err2 == SLIPORT_ERR2_REG_FW_RESTART)
1576 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1577 "3143 Port Down: Firmware Restarted\n");
1578 else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1579 reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
1580 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1581 "3144 Port Down: Debug Dump\n");
1582 else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1583 reg_err2 == SLIPORT_ERR2_REG_FUNC_PROVISON)
1584 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1585 "3145 Port Down: Provisioning\n");
618a5230
JS		 1586
1587 /* Check port status register for function reset */
1588 rc = lpfc_sli4_port_sta_fn_reset(phba, LPFC_MBX_NO_WAIT);
1589 if (rc == 0) {
1590 /* don't report event on forced debug dump */
1591 if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1592 reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
1593 return;
1594 else
1595 break;
2fcee4bf 1596 }
618a5230 1597 /* fall through for not able to recover */
6b5151fd
JS		 1598 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1599 "3152 Unrecoverable error, bring the port "
1600 "offline\n");
2fcee4bf
JS		 1601 lpfc_sli4_offline_eratt(phba);
1602 break;
1603 case LPFC_SLI_INTF_IF_TYPE_1:
1604 default:
1605 break;
1606 }
2e90f4b5
JS		 1607 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1608 "3123 Report dump event to upper layer\n");
1609 /* Send an internal error event to mgmt application */
1610 lpfc_board_errevt_to_mgmt(phba);
1611
1612 event_data = FC_REG_DUMP_EVENT;
1613 shost = lpfc_shost_from_vport(vport);
1614 fc_host_post_vendor_event(shost, fc_get_event_number(),
1615 sizeof(event_data), (char *) &event_data,
1616 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
da0436e9
JS		 1617}
1618
1619/**
1620 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1621 * @phba: pointer to lpfc HBA data structure.
1622 *
1623 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1624 * routine from the API jump table function pointer from the lpfc_hba struct.
1625 *
1626 * Return codes
af901ca1 1627 * 0 - success.
da0436e9
JS		 1628 * Any other value - error.
1629 **/
1630void
1631lpfc_handle_eratt(struct lpfc_hba *phba)
1632{
1633 (*phba->lpfc_handle_eratt)(phba);
1634}
1635
e59058c4 1636/**
3621a710 1637 * lpfc_handle_latt - The HBA link event handler
e59058c4
JS		 1638 * @phba: pointer to lpfc hba data structure.
1639 *
1640 * This routine is invoked from the worker thread to handle a HBA host
1641 * attention link event.
1642 **/
dea3101e 1643void
2e0fef85 1644lpfc_handle_latt(struct lpfc_hba *phba)
dea3101e 1645{
2e0fef85
JS		 1646 struct lpfc_vport *vport = phba->pport;
1647 struct lpfc_sli *psli = &phba->sli;
dea3101e 1648 LPFC_MBOXQ_t *pmb;
1649 volatile uint32_t control;
1650 struct lpfc_dmabuf *mp;
09372820 1651 int rc = 0;
dea3101e 1652
1653 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
09372820
JS		 1654 if (!pmb) {
1655 rc = 1;
dea3101e 1656 goto lpfc_handle_latt_err_exit;
09372820 1657 }
dea3101e 1658
1659 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
09372820
JS		 1660 if (!mp) {
1661 rc = 2;
dea3101e 1662 goto lpfc_handle_latt_free_pmb;
09372820 1663 }
dea3101e 1664
1665 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
09372820
JS		 1666 if (!mp->virt) {
1667 rc = 3;
dea3101e 1668 goto lpfc_handle_latt_free_mp;
09372820 1669 }
dea3101e 1670
6281bfe0 1671 /* Cleanup any outstanding ELS commands */
549e55cd 1672 lpfc_els_flush_all_cmd(phba);
dea3101e 1673
1674 psli->slistat.link_event++;
76a95d75
JS		 1675 lpfc_read_topology(phba, pmb, mp);
1676 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
2e0fef85 1677 pmb->vport = vport;
0d2b6b83
JS		 1678 /* Block ELS IOCBs until we have processed this mbox command */
1679 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
0b727fea 1680 rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
09372820
JS		 1681 if (rc == MBX_NOT_FINISHED) {
1682 rc = 4;
14691150 1683 goto lpfc_handle_latt_free_mbuf;
09372820 1684 }
dea3101e 1685
1686 /* Clear Link Attention in HA REG */
2e0fef85 1687 spin_lock_irq(&phba->hbalock);
dea3101e 1688 writel(HA_LATT, phba->HAregaddr);
1689 readl(phba->HAregaddr); /* flush */
2e0fef85 1690 spin_unlock_irq(&phba->hbalock);
dea3101e 1691
1692 return;
1693
14691150 1694lpfc_handle_latt_free_mbuf:
0d2b6b83 1695 phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT;
14691150 1696 lpfc_mbuf_free(phba, mp->virt, mp->phys);
dea3101e 1697lpfc_handle_latt_free_mp:
1698 kfree(mp);
1699lpfc_handle_latt_free_pmb:
1dcb58e5 1700 mempool_free(pmb, phba->mbox_mem_pool);
dea3101e 1701lpfc_handle_latt_err_exit:
1702 /* Enable Link attention interrupts */
2e0fef85 1703 spin_lock_irq(&phba->hbalock);
dea3101e 1704 psli->sli_flag |= LPFC_PROCESS_LA;
1705 control = readl(phba->HCregaddr);
1706 control |= HC_LAINT_ENA;
1707 writel(control, phba->HCregaddr);
1708 readl(phba->HCregaddr); /* flush */
1709
1710 /* Clear Link Attention in HA REG */
1711 writel(HA_LATT, phba->HAregaddr);
1712 readl(phba->HAregaddr); /* flush */
2e0fef85 1713 spin_unlock_irq(&phba->hbalock);
dea3101e 1714 lpfc_linkdown(phba);
2e0fef85 1715 phba->link_state = LPFC_HBA_ERROR;
dea3101e 1716
09372820
JS		 1717 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1718 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);
dea3101e 1719
1720 return;
1721}
1722
e59058c4 1723/**
3621a710 1724 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
e59058c4
JS		 1725 * @phba: pointer to lpfc hba data structure.
1726 * @vpd: pointer to the vital product data.
1727 * @len: length of the vital product data in bytes.
1728 *
1729 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1730 * an array of characters. In this routine, the ModelName, ProgramType, and
1731 * ModelDesc, etc. fields of the phba data structure will be populated.
1732 *
1733 * Return codes
1734 * 0 - pointer to the VPD passed in is NULL
1735 * 1 - success
1736 **/
3772a991 1737int
2e0fef85 1738lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
dea3101e 1739{
1740 uint8_t lenlo, lenhi;
07da60c1 1741 int Length;
dea3101e 1742 int i, j;
1743 int finished = 0;
1744 int index = 0;
1745
1746 if (!vpd)
1747 return 0;
1748
1749 /* Vital Product */
ed957684 1750 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011 1751 "0455 Vital Product Data: x%x x%x x%x x%x\n",
dea3101e 1752 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
1753 (uint32_t) vpd[3]);
74b72a59 1754 while (!finished && (index < (len - 4))) {
dea3101e 1755 switch (vpd[index]) {
1756 case 0x82:
74b72a59 1757 case 0x91:
dea3101e 1758 index += 1;
1759 lenlo = vpd[index];
1760 index += 1;
1761 lenhi = vpd[index];
1762 index += 1;
1763 i = ((((unsigned short)lenhi) << 8) + lenlo);
1764 index += i;
1765 break;
1766 case 0x90:
1767 index += 1;
1768 lenlo = vpd[index];
1769 index += 1;
1770 lenhi = vpd[index];
1771 index += 1;
1772 Length = ((((unsigned short)lenhi) << 8) + lenlo);
74b72a59
JW		 1773 if (Length > len - index)
1774 Length = len - index;
dea3101e 1775 while (Length > 0) {
1776 /* Look for Serial Number */
1777 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
1778 index += 2;
1779 i = vpd[index];
1780 index += 1;
1781 j = 0;
1782 Length -= (3+i);
1783 while(i--) {
1784 phba->SerialNumber[j++] = vpd[index++];
1785 if (j == 31)
1786 break;
1787 }
1788 phba->SerialNumber[j] = 0;
1789 continue;
1790 }
1791 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
1792 phba->vpd_flag |= VPD_MODEL_DESC;
1793 index += 2;
1794 i = vpd[index];
1795 index += 1;
1796 j = 0;
1797 Length -= (3+i);
1798 while(i--) {
1799 phba->ModelDesc[j++] = vpd[index++];
1800 if (j == 255)
1801 break;
1802 }
1803 phba->ModelDesc[j] = 0;
1804 continue;
1805 }
1806 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
1807 phba->vpd_flag |= VPD_MODEL_NAME;
1808 index += 2;
1809 i = vpd[index];
1810 index += 1;
1811 j = 0;
1812 Length -= (3+i);
1813 while(i--) {
1814 phba->ModelName[j++] = vpd[index++];
1815 if (j == 79)
1816 break;
1817 }
1818 phba->ModelName[j] = 0;
1819 continue;
1820 }
1821 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
1822 phba->vpd_flag |= VPD_PROGRAM_TYPE;
1823 index += 2;
1824 i = vpd[index];
1825 index += 1;
1826 j = 0;
1827 Length -= (3+i);
1828 while(i--) {
1829 phba->ProgramType[j++] = vpd[index++];
1830 if (j == 255)
1831 break;
1832 }
1833 phba->ProgramType[j] = 0;
1834 continue;
1835 }
1836 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
1837 phba->vpd_flag |= VPD_PORT;
1838 index += 2;
1839 i = vpd[index];
1840 index += 1;
1841 j = 0;
1842 Length -= (3+i);
1843 while(i--) {
cd1c8301
JS		 1844 if ((phba->sli_rev == LPFC_SLI_REV4) &&
1845 (phba->sli4_hba.pport_name_sta ==
1846 LPFC_SLI4_PPNAME_GET)) {
1847 j++;
1848 index++;
1849 } else
1850 phba->Port[j++] = vpd[index++];
1851 if (j == 19)
1852 break;
dea3101e 1853 }
cd1c8301
JS		 1854 if ((phba->sli_rev != LPFC_SLI_REV4) ||
1855 (phba->sli4_hba.pport_name_sta ==
1856 LPFC_SLI4_PPNAME_NON))
1857 phba->Port[j] = 0;
dea3101e 1858 continue;
1859 }
1860 else {
1861 index += 2;
1862 i = vpd[index];
1863 index += 1;
1864 index += i;
1865 Length -= (3 + i);
1866 }
1867 }
1868 finished = 0;
1869 break;
1870 case 0x78:
1871 finished = 1;
1872 break;
1873 default:
1874 index ++;
1875 break;
1876 }
74b72a59 1877 }
dea3101e 1878
1879 return(1);
1880}
1881
e59058c4 1882/**
3621a710 1883 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
e59058c4
JS		 1884 * @phba: pointer to lpfc hba data structure.
1885 * @mdp: pointer to the data structure to hold the derived model name.
1886 * @descp: pointer to the data structure to hold the derived description.
1887 *
1888 * This routine retrieves HBA's description based on its registered PCI device
1889 * ID. The @descp passed into this function points to an array of 256 chars. It
1890 * shall be returned with the model name, maximum speed, and the host bus type.
1891 * The @mdp passed into this function points to an array of 80 chars. When the
1892 * function returns, the @mdp will be filled with the model name.
1893 **/
dea3101e 1894static void
2e0fef85 1895lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
dea3101e 1896{
1897 lpfc_vpd_t *vp;
fefcb2b6 1898 uint16_t dev_id = phba->pcidev->device;
74b72a59 1899 int max_speed;
84774a4d 1900 int GE = 0;
da0436e9 1901 int oneConnect = 0; /* default is not a oneConnect */
74b72a59 1902 struct {
a747c9ce
JS		 1903 char *name;
1904 char *bus;
1905 char *function;
1906 } m = {"<Unknown>", "", ""};
74b72a59
JW		 1907
1908 if (mdp && mdp[0] != '\0'
1909 && descp && descp[0] != '\0')
1910 return;
1911
c0c11512
JS		 1912 if (phba->lmt & LMT_16Gb)
1913 max_speed = 16;
1914 else if (phba->lmt & LMT_10Gb)
74b72a59
JW		 1915 max_speed = 10;
1916 else if (phba->lmt & LMT_8Gb)
1917 max_speed = 8;
1918 else if (phba->lmt & LMT_4Gb)
1919 max_speed = 4;
1920 else if (phba->lmt & LMT_2Gb)
1921 max_speed = 2;
4169d868 1922 else if (phba->lmt & LMT_1Gb)
74b72a59 1923 max_speed = 1;
4169d868
JS		 1924 else
1925 max_speed = 0;
dea3101e 1926
1927 vp = &phba->vpd;
dea3101e 1928
e4adb204 1929 switch (dev_id) {
06325e74 1930 case PCI_DEVICE_ID_FIREFLY:
a747c9ce 1931 m = (typeof(m)){"LP6000", "PCI", "Fibre Channel Adapter"};
06325e74 1932 break;
dea3101e 1933 case PCI_DEVICE_ID_SUPERFLY:
1934 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
a747c9ce
JS		 1935 m = (typeof(m)){"LP7000", "PCI",
1936 "Fibre Channel Adapter"};
dea3101e 1937 else
a747c9ce
JS		 1938 m = (typeof(m)){"LP7000E", "PCI",
1939 "Fibre Channel Adapter"};
dea3101e 1940 break;
1941 case PCI_DEVICE_ID_DRAGONFLY:
a747c9ce
JS		 1942 m = (typeof(m)){"LP8000", "PCI",
1943 "Fibre Channel Adapter"};
dea3101e 1944 break;
1945 case PCI_DEVICE_ID_CENTAUR:
1946 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
a747c9ce
JS		 1947 m = (typeof(m)){"LP9002", "PCI",
1948 "Fibre Channel Adapter"};
dea3101e 1949 else
a747c9ce
JS		 1950 m = (typeof(m)){"LP9000", "PCI",
1951 "Fibre Channel Adapter"};
dea3101e 1952 break;
1953 case PCI_DEVICE_ID_RFLY:
a747c9ce
JS		 1954 m = (typeof(m)){"LP952", "PCI",
1955 "Fibre Channel Adapter"};
dea3101e 1956 break;
1957 case PCI_DEVICE_ID_PEGASUS:
a747c9ce
JS		 1958 m = (typeof(m)){"LP9802", "PCI-X",
1959 "Fibre Channel Adapter"};
dea3101e 1960 break;
1961 case PCI_DEVICE_ID_THOR:
a747c9ce
JS		 1962 m = (typeof(m)){"LP10000", "PCI-X",
1963 "Fibre Channel Adapter"};
dea3101e 1964 break;
1965 case PCI_DEVICE_ID_VIPER:
a747c9ce
JS		 1966 m = (typeof(m)){"LPX1000", "PCI-X",
1967 "Fibre Channel Adapter"};
dea3101e 1968 break;
1969 case PCI_DEVICE_ID_PFLY:
a747c9ce
JS		 1970 m = (typeof(m)){"LP982", "PCI-X",
1971 "Fibre Channel Adapter"};
dea3101e 1972 break;
1973 case PCI_DEVICE_ID_TFLY:
a747c9ce
JS		 1974 m = (typeof(m)){"LP1050", "PCI-X",
1975 "Fibre Channel Adapter"};
dea3101e 1976 break;
1977 case PCI_DEVICE_ID_HELIOS:
a747c9ce
JS		 1978 m = (typeof(m)){"LP11000", "PCI-X2",
1979 "Fibre Channel Adapter"};
dea3101e 1980 break;
e4adb204 1981 case PCI_DEVICE_ID_HELIOS_SCSP:
a747c9ce
JS		 1982 m = (typeof(m)){"LP11000-SP", "PCI-X2",
1983 "Fibre Channel Adapter"};
e4adb204
JSEC		 1984 break;
1985 case PCI_DEVICE_ID_HELIOS_DCSP:
a747c9ce
JS		 1986 m = (typeof(m)){"LP11002-SP", "PCI-X2",
1987 "Fibre Channel Adapter"};
e4adb204
JSEC		 1988 break;
1989 case PCI_DEVICE_ID_NEPTUNE:
a747c9ce 1990 m = (typeof(m)){"LPe1000", "PCIe", "Fibre Channel Adapter"};
e4adb204
JSEC		 1991 break;
1992 case PCI_DEVICE_ID_NEPTUNE_SCSP:
a747c9ce 1993 m = (typeof(m)){"LPe1000-SP", "PCIe", "Fibre Channel Adapter"};
e4adb204
JSEC		 1994 break;
1995 case PCI_DEVICE_ID_NEPTUNE_DCSP:
a747c9ce 1996 m = (typeof(m)){"LPe1002-SP", "PCIe", "Fibre Channel Adapter"};
e4adb204 1997 break;
dea3101e 1998 case PCI_DEVICE_ID_BMID:
a747c9ce 1999 m = (typeof(m)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
dea3101e 2000 break;
2001 case PCI_DEVICE_ID_BSMB:
a747c9ce 2002 m = (typeof(m)){"LP111", "PCI-X2", "Fibre Channel Adapter"};
dea3101e 2003 break;
2004 case PCI_DEVICE_ID_ZEPHYR:
a747c9ce 2005 m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
dea3101e 2006 break;
e4adb204 2007 case PCI_DEVICE_ID_ZEPHYR_SCSP:
a747c9ce 2008 m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
e4adb204
JSEC		 2009 break;
2010 case PCI_DEVICE_ID_ZEPHYR_DCSP:
a747c9ce 2011 m = (typeof(m)){"LP2105", "PCIe", "FCoE Adapter"};
a257bf90 2012 GE = 1;
e4adb204 2013 break;
dea3101e 2014 case PCI_DEVICE_ID_ZMID:
a747c9ce 2015 m = (typeof(m)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
dea3101e 2016 break;
2017 case PCI_DEVICE_ID_ZSMB:
a747c9ce 2018 m = (typeof(m)){"LPe111", "PCIe", "Fibre Channel Adapter"};
dea3101e 2019 break;
2020 case PCI_DEVICE_ID_LP101:
a747c9ce 2021 m = (typeof(m)){"LP101", "PCI-X", "Fibre Channel Adapter"};
dea3101e 2022 break;
2023 case PCI_DEVICE_ID_LP10000S:
a747c9ce 2024 m = (typeof(m)){"LP10000-S", "PCI", "Fibre Channel Adapter"};
06325e74 2025 break;
e4adb204 2026 case PCI_DEVICE_ID_LP11000S:
a747c9ce 2027 m = (typeof(m)){"LP11000-S", "PCI-X2", "Fibre Channel Adapter"};
18a3b596 2028 break;
e4adb204 2029 case PCI_DEVICE_ID_LPE11000S:
a747c9ce 2030 m = (typeof(m)){"LPe11000-S", "PCIe", "Fibre Channel Adapter"};
5cc36b3c 2031 break;
b87eab38 2032 case PCI_DEVICE_ID_SAT:
a747c9ce 2033 m = (typeof(m)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2034 break;
2035 case PCI_DEVICE_ID_SAT_MID:
a747c9ce 2036 m = (typeof(m)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2037 break;
2038 case PCI_DEVICE_ID_SAT_SMB:
a747c9ce 2039 m = (typeof(m)){"LPe121", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2040 break;
2041 case PCI_DEVICE_ID_SAT_DCSP:
a747c9ce 2042 m = (typeof(m)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2043 break;
2044 case PCI_DEVICE_ID_SAT_SCSP:
a747c9ce 2045 m = (typeof(m)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2046 break;
2047 case PCI_DEVICE_ID_SAT_S:
a747c9ce 2048 m = (typeof(m)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
b87eab38 2049 break;
84774a4d 2050 case PCI_DEVICE_ID_HORNET:
a747c9ce 2051 m = (typeof(m)){"LP21000", "PCIe", "FCoE Adapter"};
84774a4d
JS		 2052 GE = 1;
2053 break;
2054 case PCI_DEVICE_ID_PROTEUS_VF:
a747c9ce
JS		 2055 m = (typeof(m)){"LPev12000", "PCIe IOV",
2056 "Fibre Channel Adapter"};
84774a4d
JS		 2057 break;
2058 case PCI_DEVICE_ID_PROTEUS_PF:
a747c9ce
JS		 2059 m = (typeof(m)){"LPev12000", "PCIe IOV",
2060 "Fibre Channel Adapter"};
84774a4d
JS		 2061 break;
2062 case PCI_DEVICE_ID_PROTEUS_S:
a747c9ce
JS		 2063 m = (typeof(m)){"LPemv12002-S", "PCIe IOV",
2064 "Fibre Channel Adapter"};
84774a4d 2065 break;
da0436e9
JS		 2066 case PCI_DEVICE_ID_TIGERSHARK:
2067 oneConnect = 1;
a747c9ce 2068 m = (typeof(m)){"OCe10100", "PCIe", "FCoE"};
da0436e9 2069 break;
a747c9ce 2070 case PCI_DEVICE_ID_TOMCAT:
6669f9bb 2071 oneConnect = 1;
a747c9ce
JS		 2072 m = (typeof(m)){"OCe11100", "PCIe", "FCoE"};
2073 break;
2074 case PCI_DEVICE_ID_FALCON:
2075 m = (typeof(m)){"LPSe12002-ML1-E", "PCIe",
2076 "EmulexSecure Fibre"};
6669f9bb 2077 break;
98fc5dd9
JS		 2078 case PCI_DEVICE_ID_BALIUS:
2079 m = (typeof(m)){"LPVe12002", "PCIe Shared I/O",
2080 "Fibre Channel Adapter"};
2081 break;
085c647c 2082 case PCI_DEVICE_ID_LANCER_FC:
c0c11512
JS		 2083 case PCI_DEVICE_ID_LANCER_FC_VF:
2084 m = (typeof(m)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
085c647c
JS		 2085 break;
2086 case PCI_DEVICE_ID_LANCER_FCOE:
c0c11512 2087 case PCI_DEVICE_ID_LANCER_FCOE_VF:
085c647c 2088 oneConnect = 1;
079b5c91 2089 m = (typeof(m)){"OCe15100", "PCIe", "FCoE"};
085c647c 2090 break;
f8cafd38
JS		 2091 case PCI_DEVICE_ID_SKYHAWK:
2092 case PCI_DEVICE_ID_SKYHAWK_VF:
2093 oneConnect = 1;
2094 m = (typeof(m)){"OCe14000", "PCIe", "FCoE"};
2095 break;
5cc36b3c 2096 default:
a747c9ce 2097 m = (typeof(m)){"Unknown", "", ""};
e4adb204 2098 break;
dea3101e 2099 }
74b72a59
JW		 2100
2101 if (mdp && mdp[0] == '\0')
2102 snprintf(mdp, 79,"%s", m.name);
c0c11512
JS		 2103 /*
2104 * oneConnect hba requires special processing, they are all initiators
da0436e9
JS		 2105 * and we put the port number on the end
2106 */
2107 if (descp && descp[0] == '\0') {
2108 if (oneConnect)
2109 snprintf(descp, 255,
4169d868 2110 "Emulex OneConnect %s, %s Initiator %s",
a747c9ce 2111 m.name, m.function,
da0436e9 2112 phba->Port);
4169d868
JS		 2113 else if (max_speed == 0)
2114 snprintf(descp, 255,
2115 "Emulex %s %s %s ",
2116 m.name, m.bus, m.function);
da0436e9
JS		 2117 else
2118 snprintf(descp, 255,
2119 "Emulex %s %d%s %s %s",
a747c9ce
JS		 2120 m.name, max_speed, (GE) ? "GE" : "Gb",
2121 m.bus, m.function);
da0436e9 2122 }
dea3101e 2123}
2124
e59058c4 2125/**
3621a710 2126 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
e59058c4
JS		 2127 * @phba: pointer to lpfc hba data structure.
2128 * @pring: pointer to a IOCB ring.
2129 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2130 *
2131 * This routine posts a given number of IOCBs with the associated DMA buffer
2132 * descriptors specified by the cnt argument to the given IOCB ring.
2133 *
2134 * Return codes
2135 * The number of IOCBs NOT able to be posted to the IOCB ring.
2136 **/
dea3101e 2137int
495a714c 2138lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt)
dea3101e 2139{
2140 IOCB_t *icmd;
0bd4ca25 2141 struct lpfc_iocbq *iocb;
dea3101e 2142 struct lpfc_dmabuf *mp1, *mp2;
2143
2144 cnt += pring->missbufcnt;
2145
2146 /* While there are buffers to post */
2147 while (cnt > 0) {
2148 /* Allocate buffer for command iocb */
0bd4ca25 2149 iocb = lpfc_sli_get_iocbq(phba);
dea3101e 2150 if (iocb == NULL) {
2151 pring->missbufcnt = cnt;
2152 return cnt;
2153 }
dea3101e 2154 icmd = &iocb->iocb;
2155
2156 /* 2 buffers can be posted per command */
2157 /* Allocate buffer to post */
2158 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
2159 if (mp1)
98c9ea5c
JS		 2160 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
2161 if (!mp1 || !mp1->virt) {
c9475cb0 2162 kfree(mp1);
604a3e30 2163 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 2164 pring->missbufcnt = cnt;
2165 return cnt;
2166 }
2167
2168 INIT_LIST_HEAD(&mp1->list);
2169 /* Allocate buffer to post */
2170 if (cnt > 1) {
2171 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
2172 if (mp2)
2173 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
2174 &mp2->phys);
98c9ea5c 2175 if (!mp2 || !mp2->virt) {
c9475cb0 2176 kfree(mp2);
dea3101e 2177 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
2178 kfree(mp1);
604a3e30 2179 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 2180 pring->missbufcnt = cnt;
2181 return cnt;
2182 }
2183
2184 INIT_LIST_HEAD(&mp2->list);
2185 } else {
2186 mp2 = NULL;
2187 }
2188
2189 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
2190 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
2191 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
2192 icmd->ulpBdeCount = 1;
2193 cnt--;
2194 if (mp2) {
2195 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
2196 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
2197 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
2198 cnt--;
2199 icmd->ulpBdeCount = 2;
2200 }
2201
2202 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
2203 icmd->ulpLe = 1;
2204
3772a991
JS		 2205 if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) ==
2206 IOCB_ERROR) {
dea3101e 2207 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
2208 kfree(mp1);
2209 cnt++;
2210 if (mp2) {
2211 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
2212 kfree(mp2);
2213 cnt++;
2214 }
604a3e30 2215 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 2216 pring->missbufcnt = cnt;
dea3101e 2217 return cnt;
2218 }
dea3101e 2219 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
92d7f7b0 2220 if (mp2)
dea3101e 2221 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
dea3101e 2222 }
2223 pring->missbufcnt = 0;
2224 return 0;
2225}
2226
e59058c4 2227/**
3621a710 2228 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
e59058c4
JS		 2229 * @phba: pointer to lpfc hba data structure.
2230 *
2231 * This routine posts initial receive IOCB buffers to the ELS ring. The
2232 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2233 * set to 64 IOCBs.
2234 *
2235 * Return codes
2236 * 0 - success (currently always success)
2237 **/
dea3101e 2238static int
2e0fef85 2239lpfc_post_rcv_buf(struct lpfc_hba *phba)
dea3101e 2240{
2241 struct lpfc_sli *psli = &phba->sli;
2242
2243 /* Ring 0, ELS / CT buffers */
495a714c 2244 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0);
dea3101e 2245 /* Ring 2 - FCP no buffers needed */
2246
2247 return 0;
2248}
2249
2250#define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2251
e59058c4 2252/**
3621a710 2253 * lpfc_sha_init - Set up initial array of hash table entries
e59058c4
JS		 2254 * @HashResultPointer: pointer to an array as hash table.
2255 *
2256 * This routine sets up the initial values to the array of hash table entries
2257 * for the LC HBAs.
2258 **/
dea3101e 2259static void
2260lpfc_sha_init(uint32_t * HashResultPointer)
2261{
2262 HashResultPointer[0] = 0x67452301;
2263 HashResultPointer[1] = 0xEFCDAB89;
2264 HashResultPointer[2] = 0x98BADCFE;
2265 HashResultPointer[3] = 0x10325476;
2266 HashResultPointer[4] = 0xC3D2E1F0;
2267}
2268
e59058c4 2269/**
3621a710 2270 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
e59058c4
JS		 2271 * @HashResultPointer: pointer to an initial/result hash table.
2272 * @HashWorkingPointer: pointer to an working hash table.
2273 *
2274 * This routine iterates an initial hash table pointed by @HashResultPointer
2275 * with the values from the working hash table pointeed by @HashWorkingPointer.
2276 * The results are putting back to the initial hash table, returned through
2277 * the @HashResultPointer as the result hash table.
2278 **/
dea3101e 2279static void
2280lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
2281{
2282 int t;
2283 uint32_t TEMP;
2284 uint32_t A, B, C, D, E;
2285 t = 16;
2286 do {
2287 HashWorkingPointer[t] =
2288 S(1,
2289 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
2290 8] ^
2291 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
2292 } while (++t <= 79);
2293 t = 0;
2294 A = HashResultPointer[0];
2295 B = HashResultPointer[1];
2296 C = HashResultPointer[2];
2297 D = HashResultPointer[3];
2298 E = HashResultPointer[4];
2299
2300 do {
2301 if (t < 20) {
2302 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
2303 } else if (t < 40) {
2304 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
2305 } else if (t < 60) {
2306 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
2307 } else {
2308 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
2309 }
2310 TEMP += S(5, A) + E + HashWorkingPointer[t];
2311 E = D;
2312 D = C;
2313 C = S(30, B);
2314 B = A;
2315 A = TEMP;
2316 } while (++t <= 79);
2317
2318 HashResultPointer[0] += A;
2319 HashResultPointer[1] += B;
2320 HashResultPointer[2] += C;
2321 HashResultPointer[3] += D;
2322 HashResultPointer[4] += E;
2323
2324}
2325
e59058c4 2326/**
3621a710 2327 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
e59058c4
JS		 2328 * @RandomChallenge: pointer to the entry of host challenge random number array.
2329 * @HashWorking: pointer to the entry of the working hash array.
2330 *
2331 * This routine calculates the working hash array referred by @HashWorking
2332 * from the challenge random numbers associated with the host, referred by
2333 * @RandomChallenge. The result is put into the entry of the working hash
2334 * array and returned by reference through @HashWorking.
2335 **/
dea3101e 2336static void
2337lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
2338{
2339 *HashWorking = (*RandomChallenge ^ *HashWorking);
2340}
2341
e59058c4 2342/**
3621a710 2343 * lpfc_hba_init - Perform special handling for LC HBA initialization
e59058c4
JS		 2344 * @phba: pointer to lpfc hba data structure.
2345 * @hbainit: pointer to an array of unsigned 32-bit integers.
2346 *
2347 * This routine performs the special handling for LC HBA initialization.
2348 **/
dea3101e 2349void
2350lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
2351{
2352 int t;
2353 uint32_t *HashWorking;
2e0fef85 2354 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
dea3101e 2355
bbfbbbc1 2356 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
dea3101e 2357 if (!HashWorking)
2358 return;
2359
dea3101e 2360 HashWorking[0] = HashWorking[78] = *pwwnn++;
2361 HashWorking[1] = HashWorking[79] = *pwwnn;
2362
2363 for (t = 0; t < 7; t++)
2364 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
2365
2366 lpfc_sha_init(hbainit);
2367 lpfc_sha_iterate(hbainit, HashWorking);
2368 kfree(HashWorking);
2369}
2370
e59058c4 2371/**
3621a710 2372 * lpfc_cleanup - Performs vport cleanups before deleting a vport
e59058c4
JS		 2373 * @vport: pointer to a virtual N_Port data structure.
2374 *
2375 * This routine performs the necessary cleanups before deleting the @vport.
2376 * It invokes the discovery state machine to perform necessary state
2377 * transitions and to release the ndlps associated with the @vport. Note,
2378 * the physical port is treated as @vport 0.
2379 **/
87af33fe 2380void
2e0fef85 2381lpfc_cleanup(struct lpfc_vport *vport)
dea3101e 2382{
87af33fe 2383 struct lpfc_hba *phba = vport->phba;
dea3101e 2384 struct lpfc_nodelist *ndlp, *next_ndlp;
a8adb832 2385 int i = 0;
dea3101e 2386
87af33fe
JS		 2387 if (phba->link_state > LPFC_LINK_DOWN)
2388 lpfc_port_link_failure(vport);
2389
2390 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
e47c9093
JS		 2391 if (!NLP_CHK_NODE_ACT(ndlp)) {
2392 ndlp = lpfc_enable_node(vport, ndlp,
2393 NLP_STE_UNUSED_NODE);
2394 if (!ndlp)
2395 continue;
2396 spin_lock_irq(&phba->ndlp_lock);
2397 NLP_SET_FREE_REQ(ndlp);
2398 spin_unlock_irq(&phba->ndlp_lock);
2399 /* Trigger the release of the ndlp memory */
2400 lpfc_nlp_put(ndlp);
2401 continue;
2402 }
2403 spin_lock_irq(&phba->ndlp_lock);
2404 if (NLP_CHK_FREE_REQ(ndlp)) {
2405 /* The ndlp should not be in memory free mode already */
2406 spin_unlock_irq(&phba->ndlp_lock);
2407 continue;
2408 } else
2409 /* Indicate request for freeing ndlp memory */
2410 NLP_SET_FREE_REQ(ndlp);
2411 spin_unlock_irq(&phba->ndlp_lock);
2412
58da1ffb
JS		 2413 if (vport->port_type != LPFC_PHYSICAL_PORT &&
2414 ndlp->nlp_DID == Fabric_DID) {
2415 /* Just free up ndlp with Fabric_DID for vports */
2416 lpfc_nlp_put(ndlp);
2417 continue;
2418 }
2419
eff4a01b
JS		 2420 /* take care of nodes in unused state before the state
2421 * machine taking action.
2422 */
2423 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
2424 lpfc_nlp_put(ndlp);
2425 continue;
2426 }
2427
87af33fe
JS		 2428 if (ndlp->nlp_type & NLP_FABRIC)
2429 lpfc_disc_state_machine(vport, ndlp, NULL,
2430 NLP_EVT_DEVICE_RECOVERY);
e47c9093 2431
87af33fe
JS		 2432 lpfc_disc_state_machine(vport, ndlp, NULL,
2433 NLP_EVT_DEVICE_RM);
2434 }
2435
a8adb832
JS		 2436 /* At this point, ALL ndlp's should be gone
2437 * because of the previous NLP_EVT_DEVICE_RM.
2438 * Lets wait for this to happen, if needed.
2439 */
87af33fe 2440 while (!list_empty(&vport->fc_nodes)) {
a8adb832 2441 if (i++ > 3000) {
87af33fe 2442 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
a8adb832 2443 "0233 Nodelist not empty\n");
e47c9093
JS		 2444 list_for_each_entry_safe(ndlp, next_ndlp,
2445 &vport->fc_nodes, nlp_listp) {
2446 lpfc_printf_vlog(ndlp->vport, KERN_ERR,
2447 LOG_NODE,
d7c255b2 2448 "0282 did:x%x ndlp:x%p "
e47c9093
JS		 2449 "usgmap:x%x refcnt:%d\n",
2450 ndlp->nlp_DID, (void *)ndlp,
2451 ndlp->nlp_usg_map,
2452 atomic_read(
2453 &ndlp->kref.refcount));
2454 }
a8adb832 2455 break;
87af33fe 2456 }
a8adb832
JS		 2457
2458 /* Wait for any activity on ndlps to settle */
2459 msleep(10);
87af33fe 2460 }
1151e3ec 2461 lpfc_cleanup_vports_rrqs(vport, NULL);
dea3101e 2462}
2463
e59058c4 2464/**
3621a710 2465 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
e59058c4
JS		 2466 * @vport: pointer to a virtual N_Port data structure.
2467 *
2468 * This routine stops all the timers associated with a @vport. This function
2469 * is invoked before disabling or deleting a @vport. Note that the physical
2470 * port is treated as @vport 0.
2471 **/
92d7f7b0
JS		 2472void
2473lpfc_stop_vport_timers(struct lpfc_vport *vport)
dea3101e 2474{
92d7f7b0
JS		 2475 del_timer_sync(&vport->els_tmofunc);
2476 del_timer_sync(&vport->fc_fdmitmo);
92494144 2477 del_timer_sync(&vport->delayed_disc_tmo);
92d7f7b0
JS		 2478 lpfc_can_disctmo(vport);
2479 return;
dea3101e 2480}
2481
ecfd03c6
JS		 2482/**
2483 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2484 * @phba: pointer to lpfc hba data structure.
2485 *
2486 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2487 * caller of this routine should already hold the host lock.
2488 **/
2489void
2490__lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
2491{
5ac6b303
JS		 2492 /* Clear pending FCF rediscovery wait flag */
2493 phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
2494
ecfd03c6
JS		 2495 /* Now, try to stop the timer */
2496 del_timer(&phba->fcf.redisc_wait);
2497}
2498
2499/**
2500 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2501 * @phba: pointer to lpfc hba data structure.
2502 *
2503 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2504 * checks whether the FCF rediscovery wait timer is pending with the host
2505 * lock held before proceeding with disabling the timer and clearing the
2506 * wait timer pendig flag.
2507 **/
2508void
2509lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
2510{
2511 spin_lock_irq(&phba->hbalock);
2512 if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
2513 /* FCF rediscovery timer already fired or stopped */
2514 spin_unlock_irq(&phba->hbalock);
2515 return;
2516 }
2517 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
5ac6b303
JS		 2518 /* Clear failover in progress flags */
2519 phba->fcf.fcf_flag &= ~(FCF_DEAD_DISC | FCF_ACVL_DISC);
ecfd03c6
JS		 2520 spin_unlock_irq(&phba->hbalock);
2521}
2522
e59058c4 2523/**
3772a991 2524 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
e59058c4
JS		 2525 * @phba: pointer to lpfc hba data structure.
2526 *
2527 * This routine stops all the timers associated with a HBA. This function is
2528 * invoked before either putting a HBA offline or unloading the driver.
2529 **/
3772a991
JS		 2530void
2531lpfc_stop_hba_timers(struct lpfc_hba *phba)
dea3101e 2532{
51ef4c26 2533 lpfc_stop_vport_timers(phba->pport);
2e0fef85 2534 del_timer_sync(&phba->sli.mbox_tmo);
92d7f7b0 2535 del_timer_sync(&phba->fabric_block_timer);
9399627f 2536 del_timer_sync(&phba->eratt_poll);
3772a991 2537 del_timer_sync(&phba->hb_tmofunc);
1151e3ec
JS		 2538 if (phba->sli_rev == LPFC_SLI_REV4) {
2539 del_timer_sync(&phba->rrq_tmr);
2540 phba->hba_flag &= ~HBA_RRQ_ACTIVE;
2541 }
3772a991
JS		 2542 phba->hb_outstanding = 0;
2543
2544 switch (phba->pci_dev_grp) {
2545 case LPFC_PCI_DEV_LP:
2546 /* Stop any LightPulse device specific driver timers */
2547 del_timer_sync(&phba->fcp_poll_timer);
2548 break;
2549 case LPFC_PCI_DEV_OC:
2550 /* Stop any OneConnect device sepcific driver timers */
ecfd03c6 2551 lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
3772a991
JS		 2552 break;
2553 default:
2554 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2555 "0297 Invalid device group (x%x)\n",
2556 phba->pci_dev_grp);
2557 break;
2558 }
2e0fef85 2559 return;
dea3101e 2560}
2561
e59058c4 2562/**
3621a710 2563 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
e59058c4
JS		 2564 * @phba: pointer to lpfc hba data structure.
2565 *
2566 * This routine marks a HBA's management interface as blocked. Once the HBA's
2567 * management interface is marked as blocked, all the user space access to
2568 * the HBA, whether they are from sysfs interface or libdfc interface will
2569 * all be blocked. The HBA is set to block the management interface when the
2570 * driver prepares the HBA interface for online or offline.
2571 **/
a6ababd2 2572static void
618a5230 2573lpfc_block_mgmt_io(struct lpfc_hba *phba, int mbx_action)
a6ababd2
AB		 2574{
2575 unsigned long iflag;
6e7288d9
JS		 2576 uint8_t actcmd = MBX_HEARTBEAT;
2577 unsigned long timeout;
2578
a6ababd2
AB		 2579 spin_lock_irqsave(&phba->hbalock, iflag);
2580 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
618a5230
JS		 2581 spin_unlock_irqrestore(&phba->hbalock, iflag);
2582 if (mbx_action == LPFC_MBX_NO_WAIT)
2583 return;
2584 timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies;
2585 spin_lock_irqsave(&phba->hbalock, iflag);
a183a15f 2586 if (phba->sli.mbox_active) {
6e7288d9 2587 actcmd = phba->sli.mbox_active->u.mb.mbxCommand;
a183a15f
JS		 2588 /* Determine how long we might wait for the active mailbox
2589 * command to be gracefully completed by firmware.
2590 */
2591 timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba,
2592 phba->sli.mbox_active) * 1000) + jiffies;
2593 }
a6ababd2 2594 spin_unlock_irqrestore(&phba->hbalock, iflag);
a183a15f 2595
6e7288d9
JS		 2596 /* Wait for the outstnading mailbox command to complete */
2597 while (phba->sli.mbox_active) {
2598 /* Check active mailbox complete status every 2ms */
2599 msleep(2);
2600 if (time_after(jiffies, timeout)) {
2601 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2602 "2813 Mgmt IO is Blocked %x "
2603 "- mbox cmd %x still active\n",
2604 phba->sli.sli_flag, actcmd);
2605 break;
2606 }
2607 }
a6ababd2
AB		 2608}
2609
6b5151fd
JS		 2610/**
2611 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
2612 * @phba: pointer to lpfc hba data structure.
2613 *
2614 * Allocate RPIs for all active remote nodes. This is needed whenever
2615 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
2616 * is to fixup the temporary rpi assignments.
2617 **/
2618void
2619lpfc_sli4_node_prep(struct lpfc_hba *phba)
2620{
2621 struct lpfc_nodelist *ndlp, *next_ndlp;
2622 struct lpfc_vport **vports;
2623 int i;
2624
2625 if (phba->sli_rev != LPFC_SLI_REV4)
2626 return;
2627
2628 vports = lpfc_create_vport_work_array(phba);
2629 if (vports != NULL) {
2630 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2631 if (vports[i]->load_flag & FC_UNLOADING)
2632 continue;
2633
2634 list_for_each_entry_safe(ndlp, next_ndlp,
2635 &vports[i]->fc_nodes,
2636 nlp_listp) {
2637 if (NLP_CHK_NODE_ACT(ndlp))
2638 ndlp->nlp_rpi =
2639 lpfc_sli4_alloc_rpi(phba);
2640 }
2641 }
2642 }
2643 lpfc_destroy_vport_work_array(phba, vports);
2644}
2645
e59058c4 2646/**
3621a710 2647 * lpfc_online - Initialize and bring a HBA online
e59058c4
JS		 2648 * @phba: pointer to lpfc hba data structure.
2649 *
2650 * This routine initializes the HBA and brings a HBA online. During this
2651 * process, the management interface is blocked to prevent user space access
2652 * to the HBA interfering with the driver initialization.
2653 *
2654 * Return codes
2655 * 0 - successful
2656 * 1 - failed
2657 **/
dea3101e 2658int
2e0fef85 2659lpfc_online(struct lpfc_hba *phba)
dea3101e 2660{
372bd282 2661 struct lpfc_vport *vport;
549e55cd
JS		 2662 struct lpfc_vport **vports;
2663 int i;
16a3a208 2664 bool vpis_cleared = false;
2e0fef85 2665
dea3101e 2666 if (!phba)
2667 return 0;
372bd282 2668 vport = phba->pport;
dea3101e 2669
2e0fef85 2670 if (!(vport->fc_flag & FC_OFFLINE_MODE))
dea3101e 2671 return 0;
2672
ed957684 2673 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 2674 "0458 Bring Adapter online\n");
dea3101e 2675
618a5230 2676 lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
46fa311e
JS		 2677
2678 if (!lpfc_sli_queue_setup(phba)) {
2679 lpfc_unblock_mgmt_io(phba);
dea3101e 2680 return 1;
46fa311e 2681 }
dea3101e 2682
da0436e9
JS		 2683 if (phba->sli_rev == LPFC_SLI_REV4) {
2684 if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */
2685 lpfc_unblock_mgmt_io(phba);
2686 return 1;
2687 }
16a3a208
JS		 2688 spin_lock_irq(&phba->hbalock);
2689 if (!phba->sli4_hba.max_cfg_param.vpi_used)
2690 vpis_cleared = true;
2691 spin_unlock_irq(&phba->hbalock);
da0436e9
JS		 2692 } else {
2693 if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */
2694 lpfc_unblock_mgmt_io(phba);
2695 return 1;
2696 }
46fa311e 2697 }
dea3101e 2698
549e55cd
JS		 2699 vports = lpfc_create_vport_work_array(phba);
2700 if (vports != NULL)
da0436e9 2701 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
549e55cd
JS		 2702 struct Scsi_Host *shost;
2703 shost = lpfc_shost_from_vport(vports[i]);
2704 spin_lock_irq(shost->host_lock);
2705 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
2706 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
2707 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
16a3a208 2708 if (phba->sli_rev == LPFC_SLI_REV4) {
1c6834a7 2709 vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
16a3a208
JS		 2710 if ((vpis_cleared) &&
2711 (vports[i]->port_type !=
2712 LPFC_PHYSICAL_PORT))
2713 vports[i]->vpi = 0;
2714 }
549e55cd
JS		 2715 spin_unlock_irq(shost->host_lock);
2716 }
09372820 2717 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 2718
46fa311e 2719 lpfc_unblock_mgmt_io(phba);
dea3101e 2720 return 0;
2721}
2722
e59058c4 2723/**
3621a710 2724 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
e59058c4
JS		 2725 * @phba: pointer to lpfc hba data structure.
2726 *
2727 * This routine marks a HBA's management interface as not blocked. Once the
2728 * HBA's management interface is marked as not blocked, all the user space
2729 * access to the HBA, whether they are from sysfs interface or libdfc
2730 * interface will be allowed. The HBA is set to block the management interface
2731 * when the driver prepares the HBA interface for online or offline and then
2732 * set to unblock the management interface afterwards.
2733 **/
46fa311e
JS		 2734void
2735lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
2736{
2737 unsigned long iflag;
2738
2e0fef85
JS		 2739 spin_lock_irqsave(&phba->hbalock, iflag);
2740 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
2741 spin_unlock_irqrestore(&phba->hbalock, iflag);
46fa311e
JS		 2742}
2743
e59058c4 2744/**
3621a710 2745 * lpfc_offline_prep - Prepare a HBA to be brought offline
e59058c4
JS		 2746 * @phba: pointer to lpfc hba data structure.
2747 *
2748 * This routine is invoked to prepare a HBA to be brought offline. It performs
2749 * unregistration login to all the nodes on all vports and flushes the mailbox
2750 * queue to make it ready to be brought offline.
2751 **/
46fa311e 2752void
618a5230 2753lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action)
46fa311e 2754{
2e0fef85 2755 struct lpfc_vport *vport = phba->pport;
46fa311e 2756 struct lpfc_nodelist *ndlp, *next_ndlp;
87af33fe 2757 struct lpfc_vport **vports;
72100cc4 2758 struct Scsi_Host *shost;
87af33fe 2759 int i;
dea3101e 2760
2e0fef85 2761 if (vport->fc_flag & FC_OFFLINE_MODE)
46fa311e 2762 return;
dea3101e 2763
618a5230 2764 lpfc_block_mgmt_io(phba, mbx_action);
dea3101e 2765
2766 lpfc_linkdown(phba);
2767
87af33fe
JS		 2768 /* Issue an unreg_login to all nodes on all vports */
2769 vports = lpfc_create_vport_work_array(phba);
2770 if (vports != NULL) {
da0436e9 2771 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
a8adb832
JS		 2772 if (vports[i]->load_flag & FC_UNLOADING)
2773 continue;
72100cc4
JS		 2774 shost = lpfc_shost_from_vport(vports[i]);
2775 spin_lock_irq(shost->host_lock);
c868595d 2776 vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED;
695a814e
JS		 2777 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
2778 vports[i]->fc_flag &= ~FC_VFI_REGISTERED;
72100cc4 2779 spin_unlock_irq(shost->host_lock);
695a814e 2780
87af33fe
JS		 2781 shost = lpfc_shost_from_vport(vports[i]);
2782 list_for_each_entry_safe(ndlp, next_ndlp,
2783 &vports[i]->fc_nodes,
2784 nlp_listp) {
e47c9093
JS		 2785 if (!NLP_CHK_NODE_ACT(ndlp))
2786 continue;
87af33fe
JS		 2787 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
2788 continue;
2789 if (ndlp->nlp_type & NLP_FABRIC) {
2790 lpfc_disc_state_machine(vports[i], ndlp,
2791 NULL, NLP_EVT_DEVICE_RECOVERY);
2792 lpfc_disc_state_machine(vports[i], ndlp,
2793 NULL, NLP_EVT_DEVICE_RM);
2794 }
2795 spin_lock_irq(shost->host_lock);
2796 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
401ee0c1 2797 spin_unlock_irq(shost->host_lock);
6b5151fd
JS		 2798 /*
2799 * Whenever an SLI4 port goes offline, free the
401ee0c1
JS		 2800 * RPI. Get a new RPI when the adapter port
2801 * comes back online.
6b5151fd
JS		 2802 */
2803 if (phba->sli_rev == LPFC_SLI_REV4)
2804 lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi);
87af33fe
JS		 2805 lpfc_unreg_rpi(vports[i], ndlp);
2806 }
2807 }
2808 }
09372820 2809 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 2810
618a5230 2811 lpfc_sli_mbox_sys_shutdown(phba, mbx_action);
46fa311e
JS		 2812}
2813
e59058c4 2814/**
3621a710 2815 * lpfc_offline - Bring a HBA offline
e59058c4
JS		 2816 * @phba: pointer to lpfc hba data structure.
2817 *
2818 * This routine actually brings a HBA offline. It stops all the timers
2819 * associated with the HBA, brings down the SLI layer, and eventually
2820 * marks the HBA as in offline state for the upper layer protocol.
2821 **/
46fa311e 2822void
2e0fef85 2823lpfc_offline(struct lpfc_hba *phba)
46fa311e 2824{
549e55cd
JS		 2825 struct Scsi_Host *shost;
2826 struct lpfc_vport **vports;
2827 int i;
46fa311e 2828
549e55cd 2829 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
46fa311e 2830 return;
688a8863 2831
da0436e9
JS		 2832 /* stop port and all timers associated with this hba */
2833 lpfc_stop_port(phba);
51ef4c26
JS		 2834 vports = lpfc_create_vport_work_array(phba);
2835 if (vports != NULL)
da0436e9 2836 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
51ef4c26 2837 lpfc_stop_vport_timers(vports[i]);
09372820 2838 lpfc_destroy_vport_work_array(phba, vports);
92d7f7b0 2839 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 2840 "0460 Bring Adapter offline\n");
dea3101e 2841 /* Bring down the SLI Layer and cleanup. The HBA is offline
2842 now. */
2843 lpfc_sli_hba_down(phba);
92d7f7b0 2844 spin_lock_irq(&phba->hbalock);
7054a606 2845 phba->work_ha = 0;
92d7f7b0 2846 spin_unlock_irq(&phba->hbalock);
549e55cd
JS		 2847 vports = lpfc_create_vport_work_array(phba);
2848 if (vports != NULL)
da0436e9 2849 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
549e55cd 2850 shost = lpfc_shost_from_vport(vports[i]);
549e55cd
JS		 2851 spin_lock_irq(shost->host_lock);
2852 vports[i]->work_port_events = 0;
2853 vports[i]->fc_flag |= FC_OFFLINE_MODE;
2854 spin_unlock_irq(shost->host_lock);
2855 }
09372820 2856 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 2857}
2858
e59058c4 2859/**
3621a710 2860 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
e59058c4
JS		 2861 * @phba: pointer to lpfc hba data structure.
2862 *
2863 * This routine is to free all the SCSI buffers and IOCBs from the driver
2864 * list back to kernel. It is called from lpfc_pci_remove_one to free
2865 * the internal resources before the device is removed from the system.
e59058c4 2866 **/
8a9d2e80 2867static void
2e0fef85 2868lpfc_scsi_free(struct lpfc_hba *phba)
dea3101e 2869{
2870 struct lpfc_scsi_buf *sb, *sb_next;
2871 struct lpfc_iocbq *io, *io_next;
2872
2e0fef85 2873 spin_lock_irq(&phba->hbalock);
a40fc5f0 2874
dea3101e 2875 /* Release all the lpfc_scsi_bufs maintained by this host. */
a40fc5f0
JS		 2876
2877 spin_lock(&phba->scsi_buf_list_put_lock);
2878 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_put,
2879 list) {
dea3101e 2880 list_del(&sb->list);
2881 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
92d7f7b0 2882 sb->dma_handle);
dea3101e 2883 kfree(sb);
2884 phba->total_scsi_bufs--;
2885 }
a40fc5f0
JS		 2886 spin_unlock(&phba->scsi_buf_list_put_lock);
2887
2888 spin_lock(&phba->scsi_buf_list_get_lock);
2889 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_get,
2890 list) {
dea3101e 2891 list_del(&sb->list);
2892 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
92d7f7b0 2893 sb->dma_handle);
dea3101e 2894 kfree(sb);
2895 phba->total_scsi_bufs--;
2896 }
a40fc5f0 2897 spin_unlock(&phba->scsi_buf_list_get_lock);
dea3101e 2898
2899 /* Release all the lpfc_iocbq entries maintained by this host. */
2900 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
2901 list_del(&io->list);
2902 kfree(io);
2903 phba->total_iocbq_bufs--;
2904 }
6d368e53 2905
2e0fef85 2906 spin_unlock_irq(&phba->hbalock);
8a9d2e80
JS		 2907}
2908
2909/**
2910 * lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping
2911 * @phba: pointer to lpfc hba data structure.
2912 *
2913 * This routine first calculates the sizes of the current els and allocated
2914 * scsi sgl lists, and then goes through all sgls to updates the physical
2915 * XRIs assigned due to port function reset. During port initialization, the
2916 * current els and allocated scsi sgl lists are 0s.
2917 *
2918 * Return codes
2919 * 0 - successful (for now, it always returns 0)
2920 **/
2921int
2922lpfc_sli4_xri_sgl_update(struct lpfc_hba *phba)
2923{
2924 struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL;
2925 struct lpfc_scsi_buf *psb = NULL, *psb_next = NULL;
2926 uint16_t i, lxri, xri_cnt, els_xri_cnt, scsi_xri_cnt;
2927 LIST_HEAD(els_sgl_list);
2928 LIST_HEAD(scsi_sgl_list);
2929 int rc;
2930
2931 /*
2932 * update on pci function's els xri-sgl list
2933 */
2934 els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);
2935 if (els_xri_cnt > phba->sli4_hba.els_xri_cnt) {
2936 /* els xri-sgl expanded */
2937 xri_cnt = els_xri_cnt - phba->sli4_hba.els_xri_cnt;
2938 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
2939 "3157 ELS xri-sgl count increased from "
2940 "%d to %d\n", phba->sli4_hba.els_xri_cnt,
2941 els_xri_cnt);
2942 /* allocate the additional els sgls */
2943 for (i = 0; i < xri_cnt; i++) {
2944 sglq_entry = kzalloc(sizeof(struct lpfc_sglq),
2945 GFP_KERNEL);
2946 if (sglq_entry == NULL) {
2947 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2948 "2562 Failure to allocate an "
2949 "ELS sgl entry:%d\n", i);
2950 rc = -ENOMEM;
2951 goto out_free_mem;
2952 }
2953 sglq_entry->buff_type = GEN_BUFF_TYPE;
2954 sglq_entry->virt = lpfc_mbuf_alloc(phba, 0,
2955 &sglq_entry->phys);
2956 if (sglq_entry->virt == NULL) {
2957 kfree(sglq_entry);
2958 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2959 "2563 Failure to allocate an "
2960 "ELS mbuf:%d\n", i);
2961 rc = -ENOMEM;
2962 goto out_free_mem;
2963 }
2964 sglq_entry->sgl = sglq_entry->virt;
2965 memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE);
2966 sglq_entry->state = SGL_FREED;
2967 list_add_tail(&sglq_entry->list, &els_sgl_list);
2968 }
38c20673 2969 spin_lock_irq(&phba->hbalock);
8a9d2e80 2970 list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list);
38c20673 2971 spin_unlock_irq(&phba->hbalock);
8a9d2e80
JS		 2972 } else if (els_xri_cnt < phba->sli4_hba.els_xri_cnt) {
2973 /* els xri-sgl shrinked */
2974 xri_cnt = phba->sli4_hba.els_xri_cnt - els_xri_cnt;
2975 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
2976 "3158 ELS xri-sgl count decreased from "
2977 "%d to %d\n", phba->sli4_hba.els_xri_cnt,
2978 els_xri_cnt);
2979 spin_lock_irq(&phba->hbalock);
2980 list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &els_sgl_list);
2981 spin_unlock_irq(&phba->hbalock);
2982 /* release extra els sgls from list */
2983 for (i = 0; i < xri_cnt; i++) {
2984 list_remove_head(&els_sgl_list,
2985 sglq_entry, struct lpfc_sglq, list);
2986 if (sglq_entry) {
2987 lpfc_mbuf_free(phba, sglq_entry->virt,
2988 sglq_entry->phys);
2989 kfree(sglq_entry);
2990 }
2991 }
2992 spin_lock_irq(&phba->hbalock);
2993 list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list);
2994 spin_unlock_irq(&phba->hbalock);
2995 } else
2996 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
2997 "3163 ELS xri-sgl count unchanged: %d\n",
2998 els_xri_cnt);
2999 phba->sli4_hba.els_xri_cnt = els_xri_cnt;
3000
3001 /* update xris to els sgls on the list */
3002 sglq_entry = NULL;
3003 sglq_entry_next = NULL;
3004 list_for_each_entry_safe(sglq_entry, sglq_entry_next,
3005 &phba->sli4_hba.lpfc_sgl_list, list) {
3006 lxri = lpfc_sli4_next_xritag(phba);
3007 if (lxri == NO_XRI) {
3008 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3009 "2400 Failed to allocate xri for "
3010 "ELS sgl\n");
3011 rc = -ENOMEM;
3012 goto out_free_mem;
3013 }
3014 sglq_entry->sli4_lxritag = lxri;
3015 sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri];
3016 }
3017
3018 /*
3019 * update on pci function's allocated scsi xri-sgl list
3020 */
3021 phba->total_scsi_bufs = 0;
3022
3023 /* maximum number of xris available for scsi buffers */
3024 phba->sli4_hba.scsi_xri_max = phba->sli4_hba.max_cfg_param.max_xri -
3025 els_xri_cnt;
3026
3027 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3028 "2401 Current allocated SCSI xri-sgl count:%d, "
3029 "maximum SCSI xri count:%d\n",
3030 phba->sli4_hba.scsi_xri_cnt,
3031 phba->sli4_hba.scsi_xri_max);
3032
a40fc5f0
JS		 3033 spin_lock_irq(&phba->scsi_buf_list_get_lock);
3034 spin_lock_irq(&phba->scsi_buf_list_put_lock);
3035 list_splice_init(&phba->lpfc_scsi_buf_list_get, &scsi_sgl_list);
3036 list_splice(&phba->lpfc_scsi_buf_list_put, &scsi_sgl_list);
3037 spin_unlock_irq(&phba->scsi_buf_list_put_lock);
3038 spin_unlock_irq(&phba->scsi_buf_list_get_lock);
8a9d2e80
JS		 3039
3040 if (phba->sli4_hba.scsi_xri_cnt > phba->sli4_hba.scsi_xri_max) {
3041 /* max scsi xri shrinked below the allocated scsi buffers */
3042 scsi_xri_cnt = phba->sli4_hba.scsi_xri_cnt -
3043 phba->sli4_hba.scsi_xri_max;
3044 /* release the extra allocated scsi buffers */
3045 for (i = 0; i < scsi_xri_cnt; i++) {
3046 list_remove_head(&scsi_sgl_list, psb,
3047 struct lpfc_scsi_buf, list);
3048 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, psb->data,
3049 psb->dma_handle);
3050 kfree(psb);
3051 }
a40fc5f0 3052 spin_lock_irq(&phba->scsi_buf_list_get_lock);
8a9d2e80 3053 phba->sli4_hba.scsi_xri_cnt -= scsi_xri_cnt;
a40fc5f0 3054 spin_unlock_irq(&phba->scsi_buf_list_get_lock);
8a9d2e80
JS		 3055 }
3056
3057 /* update xris associated to remaining allocated scsi buffers */
3058 psb = NULL;
3059 psb_next = NULL;
3060 list_for_each_entry_safe(psb, psb_next, &scsi_sgl_list, list) {
3061 lxri = lpfc_sli4_next_xritag(phba);
3062 if (lxri == NO_XRI) {
3063 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3064 "2560 Failed to allocate xri for "
3065 "scsi buffer\n");
3066 rc = -ENOMEM;
3067 goto out_free_mem;
3068 }
3069 psb->cur_iocbq.sli4_lxritag = lxri;
3070 psb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri];
3071 }
a40fc5f0
JS		 3072 spin_lock_irq(&phba->scsi_buf_list_get_lock);
3073 spin_lock_irq(&phba->scsi_buf_list_put_lock);
3074 list_splice_init(&scsi_sgl_list, &phba->lpfc_scsi_buf_list_get);
3075 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put);
3076 spin_unlock_irq(&phba->scsi_buf_list_put_lock);
3077 spin_unlock_irq(&phba->scsi_buf_list_get_lock);
8a9d2e80 3078
dea3101e 3079 return 0;
8a9d2e80
JS		 3080
3081out_free_mem:
3082 lpfc_free_els_sgl_list(phba);
3083 lpfc_scsi_free(phba);
3084 return rc;
dea3101e 3085}
3086
e59058c4 3087/**
3621a710 3088 * lpfc_create_port - Create an FC port
e59058c4
JS		 3089 * @phba: pointer to lpfc hba data structure.
3090 * @instance: a unique integer ID to this FC port.
3091 * @dev: pointer to the device data structure.
3092 *
3093 * This routine creates a FC port for the upper layer protocol. The FC port
3094 * can be created on top of either a physical port or a virtual port provided
3095 * by the HBA. This routine also allocates a SCSI host data structure (shost)
3096 * and associates the FC port created before adding the shost into the SCSI
3097 * layer.
3098 *
3099 * Return codes
3100 * @vport - pointer to the virtual N_Port data structure.
3101 * NULL - port create failed.
3102 **/
2e0fef85 3103struct lpfc_vport *
3de2a653 3104lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
47a8617c 3105{
2e0fef85
JS		 3106 struct lpfc_vport *vport;
3107 struct Scsi_Host *shost;
3108 int error = 0;
47a8617c 3109
3de2a653
JS		 3110 if (dev != &phba->pcidev->dev)
3111 shost = scsi_host_alloc(&lpfc_vport_template,
3112 sizeof(struct lpfc_vport));
3113 else
3114 shost = scsi_host_alloc(&lpfc_template,
3115 sizeof(struct lpfc_vport));
2e0fef85
JS		 3116 if (!shost)
3117 goto out;
47a8617c 3118
2e0fef85
JS		 3119 vport = (struct lpfc_vport *) shost->hostdata;
3120 vport->phba = phba;
2e0fef85 3121 vport->load_flag |= FC_LOADING;
92d7f7b0 3122 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
7f5f3d0d 3123 vport->fc_rscn_flush = 0;
47a8617c 3124
3de2a653 3125 lpfc_get_vport_cfgparam(vport);
2e0fef85
JS		 3126 shost->unique_id = instance;
3127 shost->max_id = LPFC_MAX_TARGET;
3de2a653 3128 shost->max_lun = vport->cfg_max_luns;
2e0fef85
JS		 3129 shost->this_id = -1;
3130 shost->max_cmd_len = 16;
da0436e9 3131 if (phba->sli_rev == LPFC_SLI_REV4) {
28baac74 3132 shost->dma_boundary =
cb5172ea 3133 phba->sli4_hba.pc_sli4_params.sge_supp_len-1;
da0436e9
JS		 3134 shost->sg_tablesize = phba->cfg_sg_seg_cnt;
3135 }
81301a9b 3136
47a8617c 3137 /*
2e0fef85
JS		 3138 * Set initial can_queue value since 0 is no longer supported and
3139 * scsi_add_host will fail. This will be adjusted later based on the
3140 * max xri value determined in hba setup.
47a8617c 3141 */
2e0fef85 3142 shost->can_queue = phba->cfg_hba_queue_depth - 10;
3de2a653 3143 if (dev != &phba->pcidev->dev) {
92d7f7b0
JS		 3144 shost->transportt = lpfc_vport_transport_template;
3145 vport->port_type = LPFC_NPIV_PORT;
3146 } else {
3147 shost->transportt = lpfc_transport_template;
3148 vport->port_type = LPFC_PHYSICAL_PORT;
3149 }
47a8617c 3150
2e0fef85
JS		 3151 /* Initialize all internally managed lists. */
3152 INIT_LIST_HEAD(&vport->fc_nodes);
da0436e9 3153 INIT_LIST_HEAD(&vport->rcv_buffer_list);
2e0fef85 3154 spin_lock_init(&vport->work_port_lock);
47a8617c 3155
2e0fef85
JS		 3156 init_timer(&vport->fc_disctmo);
3157 vport->fc_disctmo.function = lpfc_disc_timeout;
92d7f7b0 3158 vport->fc_disctmo.data = (unsigned long)vport;
47a8617c 3159
2e0fef85
JS		 3160 init_timer(&vport->fc_fdmitmo);
3161 vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
92d7f7b0 3162 vport->fc_fdmitmo.data = (unsigned long)vport;
47a8617c 3163
2e0fef85
JS		 3164 init_timer(&vport->els_tmofunc);
3165 vport->els_tmofunc.function = lpfc_els_timeout;
92d7f7b0 3166 vport->els_tmofunc.data = (unsigned long)vport;
92494144
JS		 3167
3168 init_timer(&vport->delayed_disc_tmo);
3169 vport->delayed_disc_tmo.function = lpfc_delayed_disc_tmo;
3170 vport->delayed_disc_tmo.data = (unsigned long)vport;
3171
d139b9bd 3172 error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev);
2e0fef85
JS		 3173 if (error)
3174 goto out_put_shost;
47a8617c 3175
549e55cd 3176 spin_lock_irq(&phba->hbalock);
2e0fef85 3177 list_add_tail(&vport->listentry, &phba->port_list);
549e55cd 3178 spin_unlock_irq(&phba->hbalock);
2e0fef85 3179 return vport;
47a8617c 3180
2e0fef85
JS		 3181out_put_shost:
3182 scsi_host_put(shost);
3183out:
3184 return NULL;
47a8617c
JS		 3185}
3186
e59058c4 3187/**
3621a710 3188 * destroy_port - destroy an FC port
e59058c4
JS		 3189 * @vport: pointer to an lpfc virtual N_Port data structure.
3190 *
3191 * This routine destroys a FC port from the upper layer protocol. All the
3192 * resources associated with the port are released.
3193 **/
2e0fef85
JS		 3194void
3195destroy_port(struct lpfc_vport *vport)
47a8617c 3196{
92d7f7b0
JS		 3197 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3198 struct lpfc_hba *phba = vport->phba;
47a8617c 3199
858c9f6c 3200 lpfc_debugfs_terminate(vport);
92d7f7b0
JS		 3201 fc_remove_host(shost);
3202 scsi_remove_host(shost);
47a8617c 3203
92d7f7b0
JS		 3204 spin_lock_irq(&phba->hbalock);
3205 list_del_init(&vport->listentry);
3206 spin_unlock_irq(&phba->hbalock);
47a8617c 3207
92d7f7b0 3208 lpfc_cleanup(vport);
47a8617c 3209 return;
47a8617c
JS		 3210}
3211
e59058c4 3212/**
3621a710 3213 * lpfc_get_instance - Get a unique integer ID
e59058c4
JS		 3214 *
3215 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
3216 * uses the kernel idr facility to perform the task.
3217 *
3218 * Return codes:
3219 * instance - a unique integer ID allocated as the new instance.
3220 * -1 - lpfc get instance failed.
3221 **/
92d7f7b0
JS		 3222int
3223lpfc_get_instance(void)
3224{
ab516036
TH		 3225 int ret;
3226
3227 ret = idr_alloc(&lpfc_hba_index, NULL, 0, 0, GFP_KERNEL);
3228 return ret < 0 ? -1 : ret;
47a8617c
JS		 3229}
3230
e59058c4 3231/**
3621a710 3232 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
e59058c4
JS		 3233 * @shost: pointer to SCSI host data structure.
3234 * @time: elapsed time of the scan in jiffies.
3235 *
3236 * This routine is called by the SCSI layer with a SCSI host to determine
3237 * whether the scan host is finished.
3238 *
3239 * Note: there is no scan_start function as adapter initialization will have
3240 * asynchronously kicked off the link initialization.
3241 *
3242 * Return codes
3243 * 0 - SCSI host scan is not over yet.
3244 * 1 - SCSI host scan is over.
3245 **/
47a8617c
JS		 3246int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
3247{
2e0fef85
JS		 3248 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3249 struct lpfc_hba *phba = vport->phba;
858c9f6c 3250 int stat = 0;
47a8617c 3251
858c9f6c
JS		 3252 spin_lock_irq(shost->host_lock);
3253
51ef4c26 3254 if (vport->load_flag & FC_UNLOADING) {
858c9f6c
JS		 3255 stat = 1;
3256 goto finished;
3257 }
256ec0d0 3258 if (time >= msecs_to_jiffies(30 * 1000)) {
2e0fef85 3259 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 3260 "0461 Scanning longer than 30 "
3261 "seconds. Continuing initialization\n");
858c9f6c 3262 stat = 1;
47a8617c 3263 goto finished;
2e0fef85 3264 }
256ec0d0
JS		 3265 if (time >= msecs_to_jiffies(15 * 1000) &&
3266 phba->link_state <= LPFC_LINK_DOWN) {
2e0fef85 3267 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 3268 "0465 Link down longer than 15 "
3269 "seconds. Continuing initialization\n");
858c9f6c 3270 stat = 1;
47a8617c 3271 goto finished;
2e0fef85 3272 }
47a8617c 3273
2e0fef85 3274 if (vport->port_state != LPFC_VPORT_READY)
858c9f6c 3275 goto finished;
2e0fef85 3276 if (vport->num_disc_nodes || vport->fc_prli_sent)
858c9f6c 3277 goto finished;
256ec0d0 3278 if (vport->fc_map_cnt == 0 && time < msecs_to_jiffies(2 * 1000))
858c9f6c 3279 goto finished;
2e0fef85 3280 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
858c9f6c
JS		 3281 goto finished;
3282
3283 stat = 1;
47a8617c
JS		 3284
3285finished:
858c9f6c
JS		 3286 spin_unlock_irq(shost->host_lock);
3287 return stat;
92d7f7b0 3288}
47a8617c 3289
e59058c4 3290/**
3621a710 3291 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
e59058c4
JS		 3292 * @shost: pointer to SCSI host data structure.
3293 *
3294 * This routine initializes a given SCSI host attributes on a FC port. The
3295 * SCSI host can be either on top of a physical port or a virtual port.
3296 **/
92d7f7b0
JS		 3297void lpfc_host_attrib_init(struct Scsi_Host *shost)
3298{
3299 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3300 struct lpfc_hba *phba = vport->phba;
47a8617c 3301 /*
2e0fef85 3302 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
47a8617c
JS		 3303 */
3304
2e0fef85
JS		 3305 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
3306 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
47a8617c
JS		 3307 fc_host_supported_classes(shost) = FC_COS_CLASS3;
3308
3309 memset(fc_host_supported_fc4s(shost), 0,
2e0fef85 3310 sizeof(fc_host_supported_fc4s(shost)));
47a8617c
JS		 3311 fc_host_supported_fc4s(shost)[2] = 1;
3312 fc_host_supported_fc4s(shost)[7] = 1;
3313
92d7f7b0
JS		 3314 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
3315 sizeof fc_host_symbolic_name(shost));
47a8617c
JS		 3316
3317 fc_host_supported_speeds(shost) = 0;
88a2cfbb
JS		 3318 if (phba->lmt & LMT_16Gb)
3319 fc_host_supported_speeds(shost) |= FC_PORTSPEED_16GBIT;
47a8617c
JS		 3320 if (phba->lmt & LMT_10Gb)
3321 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
a8adb832
JS		 3322 if (phba->lmt & LMT_8Gb)
3323 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
47a8617c
JS		 3324 if (phba->lmt & LMT_4Gb)
3325 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
3326 if (phba->lmt & LMT_2Gb)
3327 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
3328 if (phba->lmt & LMT_1Gb)
3329 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
3330
3331 fc_host_maxframe_size(shost) =
2e0fef85
JS		 3332 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
3333 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
47a8617c 3334
0af5d708
MC		 3335 fc_host_dev_loss_tmo(shost) = vport->cfg_devloss_tmo;
3336
47a8617c
JS		 3337 /* This value is also unchanging */
3338 memset(fc_host_active_fc4s(shost), 0,
2e0fef85 3339 sizeof(fc_host_active_fc4s(shost)));
47a8617c
JS		 3340 fc_host_active_fc4s(shost)[2] = 1;
3341 fc_host_active_fc4s(shost)[7] = 1;
3342
92d7f7b0 3343 fc_host_max_npiv_vports(shost) = phba->max_vpi;
47a8617c 3344 spin_lock_irq(shost->host_lock);
51ef4c26 3345 vport->load_flag &= ~FC_LOADING;
47a8617c 3346 spin_unlock_irq(shost->host_lock);
47a8617c 3347}
dea3101e 3348
e59058c4 3349/**
da0436e9 3350 * lpfc_stop_port_s3 - Stop SLI3 device port
e59058c4
JS		 3351 * @phba: pointer to lpfc hba data structure.
3352 *
da0436e9
JS		 3353 * This routine is invoked to stop an SLI3 device port, it stops the device
3354 * from generating interrupts and stops the device driver's timers for the
3355 * device.
e59058c4 3356 **/
da0436e9
JS		 3357static void
3358lpfc_stop_port_s3(struct lpfc_hba *phba)
db2378e0 3359{
da0436e9
JS		 3360 /* Clear all interrupt enable conditions */
3361 writel(0, phba->HCregaddr);
3362 readl(phba->HCregaddr); /* flush */
3363 /* Clear all pending interrupts */
3364 writel(0xffffffff, phba->HAregaddr);
3365 readl(phba->HAregaddr); /* flush */
db2378e0 3366
da0436e9
JS		 3367 /* Reset some HBA SLI setup states */
3368 lpfc_stop_hba_timers(phba);
3369 phba->pport->work_port_events = 0;
3370}
db2378e0 3371
da0436e9
JS		 3372/**
3373 * lpfc_stop_port_s4 - Stop SLI4 device port
3374 * @phba: pointer to lpfc hba data structure.
3375 *
3376 * This routine is invoked to stop an SLI4 device port, it stops the device
3377 * from generating interrupts and stops the device driver's timers for the
3378 * device.
3379 **/
3380static void
3381lpfc_stop_port_s4(struct lpfc_hba *phba)
3382{
3383 /* Reset some HBA SLI4 setup states */
3384 lpfc_stop_hba_timers(phba);
3385 phba->pport->work_port_events = 0;
3386 phba->sli4_hba.intr_enable = 0;
da0436e9 3387}
9399627f 3388
da0436e9
JS		 3389/**
3390 * lpfc_stop_port - Wrapper function for stopping hba port
3391 * @phba: Pointer to HBA context object.
3392 *
3393 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
3394 * the API jump table function pointer from the lpfc_hba struct.
3395 **/
3396void
3397lpfc_stop_port(struct lpfc_hba *phba)
3398{
3399 phba->lpfc_stop_port(phba);
3400}
db2378e0 3401
ecfd03c6
JS		 3402/**
3403 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
3404 * @phba: Pointer to hba for which this call is being executed.
3405 *
3406 * This routine starts the timer waiting for the FCF rediscovery to complete.
3407 **/
3408void
3409lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba)
3410{
3411 unsigned long fcf_redisc_wait_tmo =
3412 (jiffies + msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO));
3413 /* Start fcf rediscovery wait period timer */
3414 mod_timer(&phba->fcf.redisc_wait, fcf_redisc_wait_tmo);
3415 spin_lock_irq(&phba->hbalock);
3416 /* Allow action to new fcf asynchronous event */
3417 phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE);
3418 /* Mark the FCF rediscovery pending state */
3419 phba->fcf.fcf_flag |= FCF_REDISC_PEND;
3420 spin_unlock_irq(&phba->hbalock);
3421}
3422
3423/**
3424 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
3425 * @ptr: Map to lpfc_hba data structure pointer.
3426 *
3427 * This routine is invoked when waiting for FCF table rediscover has been
3428 * timed out. If new FCF record(s) has (have) been discovered during the
3429 * wait period, a new FCF event shall be added to the FCOE async event
3430 * list, and then worker thread shall be waked up for processing from the
3431 * worker thread context.
3432 **/
3433void
3434lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr)
3435{
3436 struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
3437
3438 /* Don't send FCF rediscovery event if timer cancelled */
3439 spin_lock_irq(&phba->hbalock);
3440 if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
3441 spin_unlock_irq(&phba->hbalock);
3442 return;
3443 }
3444 /* Clear FCF rediscovery timer pending flag */
3445 phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
3446 /* FCF rediscovery event to worker thread */
3447 phba->fcf.fcf_flag |= FCF_REDISC_EVT;
3448 spin_unlock_irq(&phba->hbalock);
0c9ab6f5 3449 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
a93ff37a 3450 "2776 FCF rediscover quiescent timer expired\n");
ecfd03c6
JS		 3451 /* wake up worker thread */
3452 lpfc_worker_wake_up(phba);
3453}
3454
e59058c4 3455/**
da0436e9 3456 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
e59058c4 3457 * @phba: pointer to lpfc hba data structure.
da0436e9 3458 * @acqe_link: pointer to the async link completion queue entry.
e59058c4 3459 *
da0436e9
JS		 3460 * This routine is to parse the SLI4 link-attention link fault code and
3461 * translate it into the base driver's read link attention mailbox command
3462 * status.
3463 *
3464 * Return: Link-attention status in terms of base driver's coding.
e59058c4 3465 **/
da0436e9
JS		 3466static uint16_t
3467lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba,
3468 struct lpfc_acqe_link *acqe_link)
db2378e0 3469{
da0436e9 3470 uint16_t latt_fault;
9399627f 3471
da0436e9
JS		 3472 switch (bf_get(lpfc_acqe_link_fault, acqe_link)) {
3473 case LPFC_ASYNC_LINK_FAULT_NONE:
3474 case LPFC_ASYNC_LINK_FAULT_LOCAL:
3475 case LPFC_ASYNC_LINK_FAULT_REMOTE:
3476 latt_fault = 0;
3477 break;
3478 default:
3479 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3480 "0398 Invalid link fault code: x%x\n",
3481 bf_get(lpfc_acqe_link_fault, acqe_link));
3482 latt_fault = MBXERR_ERROR;
3483 break;
3484 }
3485 return latt_fault;
db2378e0
JS		 3486}
3487
5b75da2f 3488/**
da0436e9 3489 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
5b75da2f 3490 * @phba: pointer to lpfc hba data structure.
da0436e9 3491 * @acqe_link: pointer to the async link completion queue entry.
5b75da2f 3492 *
da0436e9
JS		 3493 * This routine is to parse the SLI4 link attention type and translate it
3494 * into the base driver's link attention type coding.
5b75da2f 3495 *
da0436e9
JS		 3496 * Return: Link attention type in terms of base driver's coding.
3497 **/
3498static uint8_t
3499lpfc_sli4_parse_latt_type(struct lpfc_hba *phba,
3500 struct lpfc_acqe_link *acqe_link)
5b75da2f 3501{
da0436e9 3502 uint8_t att_type;
5b75da2f 3503
da0436e9
JS		 3504 switch (bf_get(lpfc_acqe_link_status, acqe_link)) {
3505 case LPFC_ASYNC_LINK_STATUS_DOWN:
3506 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN:
76a95d75 3507 att_type = LPFC_ATT_LINK_DOWN;
da0436e9
JS		 3508 break;
3509 case LPFC_ASYNC_LINK_STATUS_UP:
3510 /* Ignore physical link up events - wait for logical link up */
76a95d75 3511 att_type = LPFC_ATT_RESERVED;
da0436e9
JS		 3512 break;
3513 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP:
76a95d75 3514 att_type = LPFC_ATT_LINK_UP;
da0436e9
JS		 3515 break;
3516 default:
3517 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3518 "0399 Invalid link attention type: x%x\n",
3519 bf_get(lpfc_acqe_link_status, acqe_link));
76a95d75 3520 att_type = LPFC_ATT_RESERVED;
da0436e9 3521 break;
5b75da2f 3522 }
da0436e9 3523 return att_type;
5b75da2f
JS		 3524}
3525
3526/**
da0436e9 3527 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
5b75da2f 3528 * @phba: pointer to lpfc hba data structure.
da0436e9 3529 * @acqe_link: pointer to the async link completion queue entry.
5b75da2f 3530 *
da0436e9
JS		 3531 * This routine is to parse the SLI4 link-attention link speed and translate
3532 * it into the base driver's link-attention link speed coding.
3533 *
3534 * Return: Link-attention link speed in terms of base driver's coding.
3535 **/
3536static uint8_t
3537lpfc_sli4_parse_latt_link_speed(struct lpfc_hba *phba,
3538 struct lpfc_acqe_link *acqe_link)
5b75da2f 3539{
da0436e9
JS		 3540 uint8_t link_speed;
3541
3542 switch (bf_get(lpfc_acqe_link_speed, acqe_link)) {
3543 case LPFC_ASYNC_LINK_SPEED_ZERO:
da0436e9 3544 case LPFC_ASYNC_LINK_SPEED_10MBPS:
da0436e9 3545 case LPFC_ASYNC_LINK_SPEED_100MBPS:
76a95d75 3546 link_speed = LPFC_LINK_SPEED_UNKNOWN;
da0436e9
JS		 3547 break;
3548 case LPFC_ASYNC_LINK_SPEED_1GBPS:
76a95d75 3549 link_speed = LPFC_LINK_SPEED_1GHZ;
da0436e9
JS		 3550 break;
3551 case LPFC_ASYNC_LINK_SPEED_10GBPS:
76a95d75 3552 link_speed = LPFC_LINK_SPEED_10GHZ;
da0436e9
JS		 3553 break;
3554 default:
3555 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3556 "0483 Invalid link-attention link speed: x%x\n",
3557 bf_get(lpfc_acqe_link_speed, acqe_link));
76a95d75 3558 link_speed = LPFC_LINK_SPEED_UNKNOWN;
da0436e9
JS		 3559 break;
3560 }
3561 return link_speed;
3562}
3563
8b68cd52
JS		 3564/**
3565 * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
3566 * @phba: pointer to lpfc hba data structure.
3567 *
3568 * This routine is to get an SLI3 FC port's link speed in Mbps.
3569 *
3570 * Return: link speed in terms of Mbps.
3571 **/
3572uint32_t
3573lpfc_sli_port_speed_get(struct lpfc_hba *phba)
3574{
3575 uint32_t link_speed;
3576
3577 if (!lpfc_is_link_up(phba))
3578 return 0;
3579
3580 switch (phba->fc_linkspeed) {
3581 case LPFC_LINK_SPEED_1GHZ:
3582 link_speed = 1000;
3583 break;
3584 case LPFC_LINK_SPEED_2GHZ:
3585 link_speed = 2000;
3586 break;
3587 case LPFC_LINK_SPEED_4GHZ:
3588 link_speed = 4000;
3589 break;
3590 case LPFC_LINK_SPEED_8GHZ:
3591 link_speed = 8000;
3592 break;
3593 case LPFC_LINK_SPEED_10GHZ:
3594 link_speed = 10000;
3595 break;
3596 case LPFC_LINK_SPEED_16GHZ:
3597 link_speed = 16000;
3598 break;
3599 default:
3600 link_speed = 0;
3601 }
3602 return link_speed;
3603}
3604
3605/**
3606 * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
3607 * @phba: pointer to lpfc hba data structure.
3608 * @evt_code: asynchronous event code.
3609 * @speed_code: asynchronous event link speed code.
3610 *
3611 * This routine is to parse the giving SLI4 async event link speed code into
3612 * value of Mbps for the link speed.
3613 *
3614 * Return: link speed in terms of Mbps.
3615 **/
3616static uint32_t
3617lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code,
3618 uint8_t speed_code)
3619{
3620 uint32_t port_speed;
3621
3622 switch (evt_code) {
3623 case LPFC_TRAILER_CODE_LINK:
3624 switch (speed_code) {
3625 case LPFC_EVT_CODE_LINK_NO_LINK:
3626 port_speed = 0;
3627 break;
3628 case LPFC_EVT_CODE_LINK_10_MBIT:
3629 port_speed = 10;
3630 break;
3631 case LPFC_EVT_CODE_LINK_100_MBIT:
3632 port_speed = 100;
3633 break;
3634 case LPFC_EVT_CODE_LINK_1_GBIT:
3635 port_speed = 1000;
3636 break;
3637 case LPFC_EVT_CODE_LINK_10_GBIT:
3638 port_speed = 10000;
3639 break;
3640 default:
3641 port_speed = 0;
3642 }
3643 break;
3644 case LPFC_TRAILER_CODE_FC:
3645 switch (speed_code) {
3646 case LPFC_EVT_CODE_FC_NO_LINK:
3647 port_speed = 0;
3648 break;
3649 case LPFC_EVT_CODE_FC_1_GBAUD:
3650 port_speed = 1000;
3651 break;
3652 case LPFC_EVT_CODE_FC_2_GBAUD:
3653 port_speed = 2000;
3654 break;
3655 case LPFC_EVT_CODE_FC_4_GBAUD:
3656 port_speed = 4000;
3657 break;
3658 case LPFC_EVT_CODE_FC_8_GBAUD:
3659 port_speed = 8000;
3660 break;
3661 case LPFC_EVT_CODE_FC_10_GBAUD:
3662 port_speed = 10000;
3663 break;
3664 case LPFC_EVT_CODE_FC_16_GBAUD:
3665 port_speed = 16000;
3666 break;
3667 default:
3668 port_speed = 0;
3669 }
3670 break;
3671 default:
3672 port_speed = 0;
3673 }
3674 return port_speed;
3675}
3676
da0436e9 3677/**
70f3c073 3678 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
da0436e9
JS		 3679 * @phba: pointer to lpfc hba data structure.
3680 * @acqe_link: pointer to the async link completion queue entry.
3681 *
70f3c073 3682 * This routine is to handle the SLI4 asynchronous FCoE link event.
da0436e9
JS		 3683 **/
3684static void
3685lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
3686 struct lpfc_acqe_link *acqe_link)
3687{
3688 struct lpfc_dmabuf *mp;
3689 LPFC_MBOXQ_t *pmb;
3690 MAILBOX_t *mb;
76a95d75 3691 struct lpfc_mbx_read_top *la;
da0436e9 3692 uint8_t att_type;
76a95d75 3693 int rc;
da0436e9
JS		 3694
3695 att_type = lpfc_sli4_parse_latt_type(phba, acqe_link);
76a95d75 3696 if (att_type != LPFC_ATT_LINK_DOWN && att_type != LPFC_ATT_LINK_UP)
da0436e9 3697 return;
32b9793f 3698 phba->fcoe_eventtag = acqe_link->event_tag;
da0436e9
JS		 3699 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3700 if (!pmb) {
3701 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3702 "0395 The mboxq allocation failed\n");
3703 return;
3704 }
3705 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3706 if (!mp) {
3707 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3708 "0396 The lpfc_dmabuf allocation failed\n");
3709 goto out_free_pmb;
3710 }
3711 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
3712 if (!mp->virt) {
3713 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3714 "0397 The mbuf allocation failed\n");
3715 goto out_free_dmabuf;
3716 }
3717
3718 /* Cleanup any outstanding ELS commands */
3719 lpfc_els_flush_all_cmd(phba);
3720
3721 /* Block ELS IOCBs until we have done process link event */
3722 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
3723
3724 /* Update link event statistics */
3725 phba->sli.slistat.link_event++;
3726
76a95d75
JS		 3727 /* Create lpfc_handle_latt mailbox command from link ACQE */
3728 lpfc_read_topology(phba, pmb, mp);
3729 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
da0436e9
JS		 3730 pmb->vport = phba->pport;
3731
da0436e9
JS		 3732 /* Keep the link status for extra SLI4 state machine reference */
3733 phba->sli4_hba.link_state.speed =
8b68cd52
JS		 3734 lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_LINK,
3735 bf_get(lpfc_acqe_link_speed, acqe_link));
da0436e9
JS		 3736 phba->sli4_hba.link_state.duplex =
3737 bf_get(lpfc_acqe_link_duplex, acqe_link);
3738 phba->sli4_hba.link_state.status =
3739 bf_get(lpfc_acqe_link_status, acqe_link);
70f3c073
JS		 3740 phba->sli4_hba.link_state.type =
3741 bf_get(lpfc_acqe_link_type, acqe_link);
3742 phba->sli4_hba.link_state.number =
3743 bf_get(lpfc_acqe_link_number, acqe_link);
da0436e9
JS		 3744 phba->sli4_hba.link_state.fault =
3745 bf_get(lpfc_acqe_link_fault, acqe_link);
65467b6b 3746 phba->sli4_hba.link_state.logical_speed =
8b68cd52
JS		 3747 bf_get(lpfc_acqe_logical_link_speed, acqe_link) * 10;
3748
70f3c073 3749 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
c31098ce
JS		 3750 "2900 Async FC/FCoE Link event - Speed:%dGBit "
3751 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
3752 "Logical speed:%dMbps Fault:%d\n",
70f3c073
JS		 3753 phba->sli4_hba.link_state.speed,
3754 phba->sli4_hba.link_state.topology,
3755 phba->sli4_hba.link_state.status,
3756 phba->sli4_hba.link_state.type,
3757 phba->sli4_hba.link_state.number,
8b68cd52 3758 phba->sli4_hba.link_state.logical_speed,
70f3c073 3759 phba->sli4_hba.link_state.fault);
76a95d75
JS		 3760 /*
3761 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
3762 * topology info. Note: Optional for non FC-AL ports.
3763 */
3764 if (!(phba->hba_flag & HBA_FCOE_MODE)) {
3765 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
3766 if (rc == MBX_NOT_FINISHED)
3767 goto out_free_dmabuf;
3768 return;
3769 }
3770 /*
3771 * For FCoE Mode: fill in all the topology information we need and call
3772 * the READ_TOPOLOGY completion routine to continue without actually
3773 * sending the READ_TOPOLOGY mailbox command to the port.
3774 */
3775 /* Parse and translate status field */
3776 mb = &pmb->u.mb;
3777 mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link);
3778
3779 /* Parse and translate link attention fields */
3780 la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop;
3781 la->eventTag = acqe_link->event_tag;
3782 bf_set(lpfc_mbx_read_top_att_type, la, att_type);
3783 bf_set(lpfc_mbx_read_top_link_spd, la,
3784 lpfc_sli4_parse_latt_link_speed(phba, acqe_link));
3785
3786 /* Fake the the following irrelvant fields */
3787 bf_set(lpfc_mbx_read_top_topology, la, LPFC_TOPOLOGY_PT_PT);
3788 bf_set(lpfc_mbx_read_top_alpa_granted, la, 0);
3789 bf_set(lpfc_mbx_read_top_il, la, 0);
3790 bf_set(lpfc_mbx_read_top_pb, la, 0);
3791 bf_set(lpfc_mbx_read_top_fa, la, 0);
3792 bf_set(lpfc_mbx_read_top_mm, la, 0);
da0436e9
JS		 3793
3794 /* Invoke the lpfc_handle_latt mailbox command callback function */
76a95d75 3795 lpfc_mbx_cmpl_read_topology(phba, pmb);
da0436e9 3796
5b75da2f 3797 return;
da0436e9
JS		 3798
3799out_free_dmabuf:
3800 kfree(mp);
3801out_free_pmb:
3802 mempool_free(pmb, phba->mbox_mem_pool);
3803}
3804
70f3c073
JS		 3805/**
3806 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
3807 * @phba: pointer to lpfc hba data structure.
3808 * @acqe_fc: pointer to the async fc completion queue entry.
3809 *
3810 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
3811 * that the event was received and then issue a read_topology mailbox command so
3812 * that the rest of the driver will treat it the same as SLI3.
3813 **/
3814static void
3815lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
3816{
3817 struct lpfc_dmabuf *mp;
3818 LPFC_MBOXQ_t *pmb;
3819 int rc;
3820
3821 if (bf_get(lpfc_trailer_type, acqe_fc) !=
3822 LPFC_FC_LA_EVENT_TYPE_FC_LINK) {
3823 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3824 "2895 Non FC link Event detected.(%d)\n",
3825 bf_get(lpfc_trailer_type, acqe_fc));
3826 return;
3827 }
3828 /* Keep the link status for extra SLI4 state machine reference */
3829 phba->sli4_hba.link_state.speed =
8b68cd52
JS		 3830 lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC,
3831 bf_get(lpfc_acqe_fc_la_speed, acqe_fc));
70f3c073
JS		 3832 phba->sli4_hba.link_state.duplex = LPFC_ASYNC_LINK_DUPLEX_FULL;
3833 phba->sli4_hba.link_state.topology =
3834 bf_get(lpfc_acqe_fc_la_topology, acqe_fc);
3835 phba->sli4_hba.link_state.status =
3836 bf_get(lpfc_acqe_fc_la_att_type, acqe_fc);
3837 phba->sli4_hba.link_state.type =
3838 bf_get(lpfc_acqe_fc_la_port_type, acqe_fc);
3839 phba->sli4_hba.link_state.number =
3840 bf_get(lpfc_acqe_fc_la_port_number, acqe_fc);
3841 phba->sli4_hba.link_state.fault =
3842 bf_get(lpfc_acqe_link_fault, acqe_fc);
3843 phba->sli4_hba.link_state.logical_speed =
8b68cd52 3844 bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10;
70f3c073
JS		 3845 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3846 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
3847 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
3848 "%dMbps Fault:%d\n",
3849 phba->sli4_hba.link_state.speed,
3850 phba->sli4_hba.link_state.topology,
3851 phba->sli4_hba.link_state.status,
3852 phba->sli4_hba.link_state.type,
3853 phba->sli4_hba.link_state.number,
8b68cd52 3854 phba->sli4_hba.link_state.logical_speed,
70f3c073
JS		 3855 phba->sli4_hba.link_state.fault);
3856 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3857 if (!pmb) {
3858 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3859 "2897 The mboxq allocation failed\n");
3860 return;
3861 }
3862 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3863 if (!mp) {
3864 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3865 "2898 The lpfc_dmabuf allocation failed\n");
3866 goto out_free_pmb;
3867 }
3868 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
3869 if (!mp->virt) {
3870 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3871 "2899 The mbuf allocation failed\n");
3872 goto out_free_dmabuf;
3873 }
3874
3875 /* Cleanup any outstanding ELS commands */
3876 lpfc_els_flush_all_cmd(phba);
3877
3878 /* Block ELS IOCBs until we have done process link event */
3879 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
3880
3881 /* Update link event statistics */
3882 phba->sli.slistat.link_event++;
3883
3884 /* Create lpfc_handle_latt mailbox command from link ACQE */
3885 lpfc_read_topology(phba, pmb, mp);
3886 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
3887 pmb->vport = phba->pport;
3888
3889 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
3890 if (rc == MBX_NOT_FINISHED)
3891 goto out_free_dmabuf;
3892 return;
3893
3894out_free_dmabuf:
3895 kfree(mp);
3896out_free_pmb:
3897 mempool_free(pmb, phba->mbox_mem_pool);
3898}
3899
3900/**
3901 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
3902 * @phba: pointer to lpfc hba data structure.
3903 * @acqe_fc: pointer to the async SLI completion queue entry.
3904 *
3905 * This routine is to handle the SLI4 asynchronous SLI events.
3906 **/
3907static void
3908lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli)
3909{
4b8bae08 3910 char port_name;
8c1312e1 3911 char message[128];
4b8bae08
JS		 3912 uint8_t status;
3913 struct lpfc_acqe_misconfigured_event *misconfigured;
3914
3915 /* special case misconfigured event as it contains data for all ports */
3916 if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
3917 LPFC_SLI_INTF_IF_TYPE_2) ||
3918 (bf_get(lpfc_trailer_type, acqe_sli) !=
3919 LPFC_SLI_EVENT_TYPE_MISCONFIGURED)) {
3920 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3921 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
3922 "x%08x SLI Event Type:%d\n",
3923 acqe_sli->event_data1, acqe_sli->event_data2,
3924 bf_get(lpfc_trailer_type, acqe_sli));
3925 return;
3926 }
3927
3928 port_name = phba->Port[0];
3929 if (port_name == 0x00)
3930 port_name = '?'; /* get port name is empty */
3931
3932 misconfigured = (struct lpfc_acqe_misconfigured_event *)
3933 &acqe_sli->event_data1;
3934
3935 /* fetch the status for this port */
3936 switch (phba->sli4_hba.lnk_info.lnk_no) {
3937 case LPFC_LINK_NUMBER_0:
3938 status = bf_get(lpfc_sli_misconfigured_port0,
3939 &misconfigured->theEvent);
3940 break;
3941 case LPFC_LINK_NUMBER_1:
3942 status = bf_get(lpfc_sli_misconfigured_port1,
3943 &misconfigured->theEvent);
3944 break;
3945 case LPFC_LINK_NUMBER_2:
3946 status = bf_get(lpfc_sli_misconfigured_port2,
3947 &misconfigured->theEvent);
3948 break;
3949 case LPFC_LINK_NUMBER_3:
3950 status = bf_get(lpfc_sli_misconfigured_port3,
3951 &misconfigured->theEvent);
3952 break;
3953 default:
3954 status = ~LPFC_SLI_EVENT_STATUS_VALID;
3955 break;
3956 }
3957
3958 switch (status) {
3959 case LPFC_SLI_EVENT_STATUS_VALID:
3960 return; /* no message if the sfp is okay */
3961 case LPFC_SLI_EVENT_STATUS_NOT_PRESENT:
292098be
JS		 3962 sprintf(message, "Optics faulted/incorrectly installed/not " \
3963 "installed - Reseat optics, if issue not "
3964 "resolved, replace.");
4b8bae08
JS		 3965 break;
3966 case LPFC_SLI_EVENT_STATUS_WRONG_TYPE:
3967 sprintf(message,
292098be
JS		 3968 "Optics of two types installed - Remove one optic or " \
3969 "install matching pair of optics.");
4b8bae08
JS		 3970 break;
3971 case LPFC_SLI_EVENT_STATUS_UNSUPPORTED:
292098be
JS		 3972 sprintf(message, "Incompatible optics - Replace with " \
3973 "compatible optics for card to function.");
4b8bae08
JS		 3974 break;
3975 default:
3976 /* firmware is reporting a status we don't know about */
3977 sprintf(message, "Unknown event status x%02x", status);
3978 break;
3979 }
3980
3981 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3982 "3176 Misconfigured Physical Port - "
3983 "Port Name %c %s\n", port_name, message);
70f3c073
JS		 3984}
3985
fc2b989b
JS		 3986/**
3987 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
3988 * @vport: pointer to vport data structure.
3989 *
3990 * This routine is to perform Clear Virtual Link (CVL) on a vport in
3991 * response to a CVL event.
3992 *
3993 * Return the pointer to the ndlp with the vport if successful, otherwise
3994 * return NULL.
3995 **/
3996static struct lpfc_nodelist *
3997lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport)
3998{
3999 struct lpfc_nodelist *ndlp;
4000 struct Scsi_Host *shost;
4001 struct lpfc_hba *phba;
4002
4003 if (!vport)
4004 return NULL;
fc2b989b
JS		 4005 phba = vport->phba;
4006 if (!phba)
4007 return NULL;
78730cfe
JS		 4008 ndlp = lpfc_findnode_did(vport, Fabric_DID);
4009 if (!ndlp) {
4010 /* Cannot find existing Fabric ndlp, so allocate a new one */
4011 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
4012 if (!ndlp)
4013 return 0;
4014 lpfc_nlp_init(vport, ndlp, Fabric_DID);
4015 /* Set the node type */
4016 ndlp->nlp_type |= NLP_FABRIC;
4017 /* Put ndlp onto node list */
4018 lpfc_enqueue_node(vport, ndlp);
4019 } else if (!NLP_CHK_NODE_ACT(ndlp)) {
4020 /* re-setup ndlp without removing from node list */
4021 ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
4022 if (!ndlp)
4023 return 0;
4024 }
63e801ce
JS		 4025 if ((phba->pport->port_state < LPFC_FLOGI) &&
4026 (phba->pport->port_state != LPFC_VPORT_FAILED))
fc2b989b
JS		 4027 return NULL;
4028 /* If virtual link is not yet instantiated ignore CVL */
63e801ce
JS		 4029 if ((vport != phba->pport) && (vport->port_state < LPFC_FDISC)
4030 && (vport->port_state != LPFC_VPORT_FAILED))
fc2b989b
JS		 4031 return NULL;
4032 shost = lpfc_shost_from_vport(vport);
4033 if (!shost)
4034 return NULL;
4035 lpfc_linkdown_port(vport);
4036 lpfc_cleanup_pending_mbox(vport);
4037 spin_lock_irq(shost->host_lock);
4038 vport->fc_flag |= FC_VPORT_CVL_RCVD;
4039 spin_unlock_irq(shost->host_lock);
4040
4041 return ndlp;
4042}
4043
4044/**
4045 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
4046 * @vport: pointer to lpfc hba data structure.
4047 *
4048 * This routine is to perform Clear Virtual Link (CVL) on all vports in
4049 * response to a FCF dead event.
4050 **/
4051static void
4052lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba)
4053{
4054 struct lpfc_vport **vports;
4055 int i;
4056
4057 vports = lpfc_create_vport_work_array(phba);
4058 if (vports)
4059 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
4060 lpfc_sli4_perform_vport_cvl(vports[i]);
4061 lpfc_destroy_vport_work_array(phba, vports);
4062}
4063
da0436e9 4064/**
76a95d75 4065 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
da0436e9
JS		 4066 * @phba: pointer to lpfc hba data structure.
4067 * @acqe_link: pointer to the async fcoe completion queue entry.
4068 *
4069 * This routine is to handle the SLI4 asynchronous fcoe event.
4070 **/
4071static void
76a95d75 4072lpfc_sli4_async_fip_evt(struct lpfc_hba *phba,
70f3c073 4073 struct lpfc_acqe_fip *acqe_fip)
da0436e9 4074{
70f3c073 4075 uint8_t event_type = bf_get(lpfc_trailer_type, acqe_fip);
da0436e9 4076 int rc;
6669f9bb
JS		 4077 struct lpfc_vport *vport;
4078 struct lpfc_nodelist *ndlp;
4079 struct Scsi_Host *shost;
695a814e
JS		 4080 int active_vlink_present;
4081 struct lpfc_vport **vports;
4082 int i;
da0436e9 4083
70f3c073
JS		 4084 phba->fc_eventTag = acqe_fip->event_tag;
4085 phba->fcoe_eventtag = acqe_fip->event_tag;
da0436e9 4086 switch (event_type) {
70f3c073
JS		 4087 case LPFC_FIP_EVENT_TYPE_NEW_FCF:
4088 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD:
4089 if (event_type == LPFC_FIP_EVENT_TYPE_NEW_FCF)
999d813f
JS		 4090 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
4091 LOG_DISCOVERY,
a93ff37a
JS		 4092 "2546 New FCF event, evt_tag:x%x, "
4093 "index:x%x\n",
70f3c073
JS		 4094 acqe_fip->event_tag,
4095 acqe_fip->index);
999d813f
JS		 4096 else
4097 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP |
4098 LOG_DISCOVERY,
a93ff37a
JS		 4099 "2788 FCF param modified event, "
4100 "evt_tag:x%x, index:x%x\n",
70f3c073
JS		 4101 acqe_fip->event_tag,
4102 acqe_fip->index);
38b92ef8 4103 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
0c9ab6f5
JS		 4104 /*
4105 * During period of FCF discovery, read the FCF
4106 * table record indexed by the event to update
a93ff37a 4107 * FCF roundrobin failover eligible FCF bmask.
0c9ab6f5
JS		 4108 */
4109 lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
4110 LOG_DISCOVERY,
a93ff37a
JS		 4111 "2779 Read FCF (x%x) for updating "
4112 "roundrobin FCF failover bmask\n",
70f3c073
JS		 4113 acqe_fip->index);
4114 rc = lpfc_sli4_read_fcf_rec(phba, acqe_fip->index);
0c9ab6f5 4115 }
38b92ef8
JS		 4116
4117 /* If the FCF discovery is in progress, do nothing. */
3804dc84 4118 spin_lock_irq(&phba->hbalock);
a93ff37a 4119 if (phba->hba_flag & FCF_TS_INPROG) {
38b92ef8
JS		 4120 spin_unlock_irq(&phba->hbalock);
4121 break;
4122 }
4123 /* If fast FCF failover rescan event is pending, do nothing */
4124 if (phba->fcf.fcf_flag & FCF_REDISC_EVT) {
4125 spin_unlock_irq(&phba->hbalock);
4126 break;
4127 }
4128
c2b9712e
JS		 4129 /* If the FCF has been in discovered state, do nothing. */
4130 if (phba->fcf.fcf_flag & FCF_SCAN_DONE) {
3804dc84
JS		 4131 spin_unlock_irq(&phba->hbalock);
4132 break;
4133 }
4134 spin_unlock_irq(&phba->hbalock);
38b92ef8 4135
0c9ab6f5
JS		 4136 /* Otherwise, scan the entire FCF table and re-discover SAN */
4137 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
a93ff37a
JS		 4138 "2770 Start FCF table scan per async FCF "
4139 "event, evt_tag:x%x, index:x%x\n",
70f3c073 4140 acqe_fip->event_tag, acqe_fip->index);
0c9ab6f5
JS		 4141 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
4142 LPFC_FCOE_FCF_GET_FIRST);
da0436e9 4143 if (rc)
0c9ab6f5
JS		 4144 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
4145 "2547 Issue FCF scan read FCF mailbox "
a93ff37a 4146 "command failed (x%x)\n", rc);
da0436e9
JS		 4147 break;
4148
70f3c073 4149 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL:
da0436e9 4150 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
e4e74273 4151 "2548 FCF Table full count 0x%x tag 0x%x\n",
70f3c073
JS		 4152 bf_get(lpfc_acqe_fip_fcf_count, acqe_fip),
4153 acqe_fip->event_tag);
da0436e9
JS		 4154 break;
4155
70f3c073 4156 case LPFC_FIP_EVENT_TYPE_FCF_DEAD:
80c17849 4157 phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
0c9ab6f5 4158 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
a93ff37a 4159 "2549 FCF (x%x) disconnected from network, "
70f3c073 4160 "tag:x%x\n", acqe_fip->index, acqe_fip->event_tag);
38b92ef8
JS		 4161 /*
4162 * If we are in the middle of FCF failover process, clear
4163 * the corresponding FCF bit in the roundrobin bitmap.
da0436e9 4164 */
fc2b989b 4165 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4166 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
fc2b989b 4167 spin_unlock_irq(&phba->hbalock);
0c9ab6f5 4168 /* Update FLOGI FCF failover eligible FCF bmask */
70f3c073 4169 lpfc_sli4_fcf_rr_index_clear(phba, acqe_fip->index);
fc2b989b
JS		 4170 break;
4171 }
38b92ef8
JS		 4172 spin_unlock_irq(&phba->hbalock);
4173
4174 /* If the event is not for currently used fcf do nothing */
70f3c073 4175 if (phba->fcf.current_rec.fcf_indx != acqe_fip->index)
38b92ef8
JS		 4176 break;
4177
4178 /*
4179 * Otherwise, request the port to rediscover the entire FCF
4180 * table for a fast recovery from case that the current FCF
4181 * is no longer valid as we are not in the middle of FCF
4182 * failover process already.
4183 */
c2b9712e
JS		 4184 spin_lock_irq(&phba->hbalock);
4185 /* Mark the fast failover process in progress */
4186 phba->fcf.fcf_flag |= FCF_DEAD_DISC;
4187 spin_unlock_irq(&phba->hbalock);
4188
4189 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
4190 "2771 Start FCF fast failover process due to "
4191 "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
4192 "\n", acqe_fip->event_tag, acqe_fip->index);
4193 rc = lpfc_sli4_redisc_fcf_table(phba);
4194 if (rc) {
4195 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
4196 LOG_DISCOVERY,
4197 "2772 Issue FCF rediscover mabilbox "
4198 "command failed, fail through to FCF "
4199 "dead event\n");
4200 spin_lock_irq(&phba->hbalock);
4201 phba->fcf.fcf_flag &= ~FCF_DEAD_DISC;
4202 spin_unlock_irq(&phba->hbalock);
4203 /*
4204 * Last resort will fail over by treating this
4205 * as a link down to FCF registration.
4206 */
4207 lpfc_sli4_fcf_dead_failthrough(phba);
4208 } else {
4209 /* Reset FCF roundrobin bmask for new discovery */
4210 lpfc_sli4_clear_fcf_rr_bmask(phba);
4211 /*
4212 * Handling fast FCF failover to a DEAD FCF event is
4213 * considered equalivant to receiving CVL to all vports.
4214 */
4215 lpfc_sli4_perform_all_vport_cvl(phba);
4216 }
da0436e9 4217 break;
70f3c073 4218 case LPFC_FIP_EVENT_TYPE_CVL:
80c17849 4219 phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
0c9ab6f5 4220 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
6669f9bb 4221 "2718 Clear Virtual Link Received for VPI 0x%x"
70f3c073 4222 " tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag);
6d368e53 4223
6669f9bb 4224 vport = lpfc_find_vport_by_vpid(phba,
5248a749 4225 acqe_fip->index);
fc2b989b 4226 ndlp = lpfc_sli4_perform_vport_cvl(vport);
6669f9bb
JS		 4227 if (!ndlp)
4228 break;
695a814e
JS		 4229 active_vlink_present = 0;
4230
4231 vports = lpfc_create_vport_work_array(phba);
4232 if (vports) {
4233 for (i = 0; i <= phba->max_vports && vports[i] != NULL;
4234 i++) {
4235 if ((!(vports[i]->fc_flag &
4236 FC_VPORT_CVL_RCVD)) &&
4237 (vports[i]->port_state > LPFC_FDISC)) {
4238 active_vlink_present = 1;
4239 break;
4240 }
4241 }
4242 lpfc_destroy_vport_work_array(phba, vports);
4243 }
4244
4245 if (active_vlink_present) {
4246 /*
4247 * If there are other active VLinks present,
4248 * re-instantiate the Vlink using FDISC.
4249 */
256ec0d0
JS		 4250 mod_timer(&ndlp->nlp_delayfunc,
4251 jiffies + msecs_to_jiffies(1000));
fc2b989b 4252 shost = lpfc_shost_from_vport(vport);
6669f9bb
JS		 4253 spin_lock_irq(shost->host_lock);
4254 ndlp->nlp_flag |= NLP_DELAY_TMO;
4255 spin_unlock_irq(shost->host_lock);
695a814e
JS		 4256 ndlp->nlp_last_elscmd = ELS_CMD_FDISC;
4257 vport->port_state = LPFC_FDISC;
4258 } else {
ecfd03c6
JS		 4259 /*
4260 * Otherwise, we request port to rediscover
4261 * the entire FCF table for a fast recovery
4262 * from possible case that the current FCF
0c9ab6f5
JS		 4263 * is no longer valid if we are not already
4264 * in the FCF failover process.
ecfd03c6 4265 */
fc2b989b 4266 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4267 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
fc2b989b
JS		 4268 spin_unlock_irq(&phba->hbalock);
4269 break;
4270 }
4271 /* Mark the fast failover process in progress */
0c9ab6f5 4272 phba->fcf.fcf_flag |= FCF_ACVL_DISC;
fc2b989b 4273 spin_unlock_irq(&phba->hbalock);
0c9ab6f5
JS		 4274 lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
4275 LOG_DISCOVERY,
a93ff37a 4276 "2773 Start FCF failover per CVL, "
70f3c073 4277 "evt_tag:x%x\n", acqe_fip->event_tag);
ecfd03c6 4278 rc = lpfc_sli4_redisc_fcf_table(phba);
fc2b989b 4279 if (rc) {
0c9ab6f5
JS		 4280 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
4281 LOG_DISCOVERY,
4282 "2774 Issue FCF rediscover "
4283 "mabilbox command failed, "
4284 "through to CVL event\n");
fc2b989b 4285 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4286 phba->fcf.fcf_flag &= ~FCF_ACVL_DISC;
fc2b989b 4287 spin_unlock_irq(&phba->hbalock);
ecfd03c6
JS		 4288 /*
4289 * Last resort will be re-try on the
4290 * the current registered FCF entry.
4291 */
4292 lpfc_retry_pport_discovery(phba);
38b92ef8
JS		 4293 } else
4294 /*
4295 * Reset FCF roundrobin bmask for new
4296 * discovery.
4297 */
7d791df7 4298 lpfc_sli4_clear_fcf_rr_bmask(phba);
6669f9bb
JS		 4299 }
4300 break;
da0436e9
JS		 4301 default:
4302 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4303 "0288 Unknown FCoE event type 0x%x event tag "
70f3c073 4304 "0x%x\n", event_type, acqe_fip->event_tag);
da0436e9
JS		 4305 break;
4306 }
4307}
4308
4309/**
4310 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
4311 * @phba: pointer to lpfc hba data structure.
4312 * @acqe_link: pointer to the async dcbx completion queue entry.
4313 *
4314 * This routine is to handle the SLI4 asynchronous dcbx event.
4315 **/
4316static void
4317lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba,
4318 struct lpfc_acqe_dcbx *acqe_dcbx)
4319{
4d9ab994 4320 phba->fc_eventTag = acqe_dcbx->event_tag;
da0436e9
JS		 4321 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4322 "0290 The SLI4 DCBX asynchronous event is not "
4323 "handled yet\n");
4324}
4325
b19a061a
JS		 4326/**
4327 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
4328 * @phba: pointer to lpfc hba data structure.
4329 * @acqe_link: pointer to the async grp5 completion queue entry.
4330 *
4331 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
4332 * is an asynchronous notified of a logical link speed change. The Port
4333 * reports the logical link speed in units of 10Mbps.
4334 **/
4335static void
4336lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba,
4337 struct lpfc_acqe_grp5 *acqe_grp5)
4338{
4339 uint16_t prev_ll_spd;
4340
4341 phba->fc_eventTag = acqe_grp5->event_tag;
4342 phba->fcoe_eventtag = acqe_grp5->event_tag;
4343 prev_ll_spd = phba->sli4_hba.link_state.logical_speed;
4344 phba->sli4_hba.link_state.logical_speed =
8b68cd52 4345 (bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5)) * 10;
b19a061a
JS		 4346 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
4347 "2789 GRP5 Async Event: Updating logical link speed "
8b68cd52
JS		 4348 "from %dMbps to %dMbps\n", prev_ll_spd,
4349 phba->sli4_hba.link_state.logical_speed);
b19a061a
JS		 4350}
4351
da0436e9
JS		 4352/**
4353 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
4354 * @phba: pointer to lpfc hba data structure.
4355 *
4356 * This routine is invoked by the worker thread to process all the pending
4357 * SLI4 asynchronous events.
4358 **/
4359void lpfc_sli4_async_event_proc(struct lpfc_hba *phba)
4360{
4361 struct lpfc_cq_event *cq_event;
4362
4363 /* First, declare the async event has been handled */
4364 spin_lock_irq(&phba->hbalock);
4365 phba->hba_flag &= ~ASYNC_EVENT;
4366 spin_unlock_irq(&phba->hbalock);
4367 /* Now, handle all the async events */
4368 while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) {
4369 /* Get the first event from the head of the event queue */
4370 spin_lock_irq(&phba->hbalock);
4371 list_remove_head(&phba->sli4_hba.sp_asynce_work_queue,
4372 cq_event, struct lpfc_cq_event, list);
4373 spin_unlock_irq(&phba->hbalock);
4374 /* Process the asynchronous event */
4375 switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) {
4376 case LPFC_TRAILER_CODE_LINK:
4377 lpfc_sli4_async_link_evt(phba,
4378 &cq_event->cqe.acqe_link);
4379 break;
4380 case LPFC_TRAILER_CODE_FCOE:
70f3c073 4381 lpfc_sli4_async_fip_evt(phba, &cq_event->cqe.acqe_fip);
da0436e9
JS		 4382 break;
4383 case LPFC_TRAILER_CODE_DCBX:
4384 lpfc_sli4_async_dcbx_evt(phba,
4385 &cq_event->cqe.acqe_dcbx);
4386 break;
b19a061a
JS		 4387 case LPFC_TRAILER_CODE_GRP5:
4388 lpfc_sli4_async_grp5_evt(phba,
4389 &cq_event->cqe.acqe_grp5);
4390 break;
70f3c073
JS		 4391 case LPFC_TRAILER_CODE_FC:
4392 lpfc_sli4_async_fc_evt(phba, &cq_event->cqe.acqe_fc);
4393 break;
4394 case LPFC_TRAILER_CODE_SLI:
4395 lpfc_sli4_async_sli_evt(phba, &cq_event->cqe.acqe_sli);
4396 break;
da0436e9
JS		 4397 default:
4398 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4399 "1804 Invalid asynchrous event code: "
4400 "x%x\n", bf_get(lpfc_trailer_code,
4401 &cq_event->cqe.mcqe_cmpl));
4402 break;
4403 }
4404 /* Free the completion event processed to the free pool */
4405 lpfc_sli4_cq_event_release(phba, cq_event);
4406 }
4407}
4408
ecfd03c6
JS		 4409/**
4410 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
4411 * @phba: pointer to lpfc hba data structure.
4412 *
4413 * This routine is invoked by the worker thread to process FCF table
4414 * rediscovery pending completion event.
4415 **/
4416void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba)
4417{
4418 int rc;
4419
4420 spin_lock_irq(&phba->hbalock);
4421 /* Clear FCF rediscovery timeout event */
4422 phba->fcf.fcf_flag &= ~FCF_REDISC_EVT;
4423 /* Clear driver fast failover FCF record flag */
4424 phba->fcf.failover_rec.flag = 0;
4425 /* Set state for FCF fast failover */
4426 phba->fcf.fcf_flag |= FCF_REDISC_FOV;
4427 spin_unlock_irq(&phba->hbalock);
4428
4429 /* Scan FCF table from the first entry to re-discover SAN */
0c9ab6f5 4430 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
a93ff37a 4431 "2777 Start post-quiescent FCF table scan\n");
0c9ab6f5 4432 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
ecfd03c6 4433 if (rc)
0c9ab6f5
JS		 4434 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
4435 "2747 Issue FCF scan read FCF mailbox "
4436 "command failed 0x%x\n", rc);
ecfd03c6
JS		 4437}
4438
da0436e9
JS		 4439/**
4440 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
4441 * @phba: pointer to lpfc hba data structure.
4442 * @dev_grp: The HBA PCI-Device group number.
4443 *
4444 * This routine is invoked to set up the per HBA PCI-Device group function
4445 * API jump table entries.
4446 *
4447 * Return: 0 if success, otherwise -ENODEV
4448 **/
4449int
4450lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
4451{
4452 int rc;
4453
4454 /* Set up lpfc PCI-device group */
4455 phba->pci_dev_grp = dev_grp;
4456
4457 /* The LPFC_PCI_DEV_OC uses SLI4 */
4458 if (dev_grp == LPFC_PCI_DEV_OC)
4459 phba->sli_rev = LPFC_SLI_REV4;
4460
4461 /* Set up device INIT API function jump table */
4462 rc = lpfc_init_api_table_setup(phba, dev_grp);
4463 if (rc)
4464 return -ENODEV;
4465 /* Set up SCSI API function jump table */
4466 rc = lpfc_scsi_api_table_setup(phba, dev_grp);
4467 if (rc)
4468 return -ENODEV;
4469 /* Set up SLI API function jump table */
4470 rc = lpfc_sli_api_table_setup(phba, dev_grp);
4471 if (rc)
4472 return -ENODEV;
4473 /* Set up MBOX API function jump table */
4474 rc = lpfc_mbox_api_table_setup(phba, dev_grp);
4475 if (rc)
4476 return -ENODEV;
4477
4478 return 0;
5b75da2f
JS		 4479}
4480
4481/**
3621a710 4482 * lpfc_log_intr_mode - Log the active interrupt mode
5b75da2f
JS		 4483 * @phba: pointer to lpfc hba data structure.
4484 * @intr_mode: active interrupt mode adopted.
4485 *
4486 * This routine it invoked to log the currently used active interrupt mode
4487 * to the device.
3772a991
JS		 4488 **/
4489static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode)
5b75da2f
JS		 4490{
4491 switch (intr_mode) {
4492 case 0:
4493 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4494 "0470 Enable INTx interrupt mode.\n");
4495 break;
4496 case 1:
4497 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4498 "0481 Enabled MSI interrupt mode.\n");
4499 break;
4500 case 2:
4501 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4502 "0480 Enabled MSI-X interrupt mode.\n");
4503 break;
4504 default:
4505 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4506 "0482 Illegal interrupt mode.\n");
4507 break;
4508 }
4509 return;
4510}
4511
5b75da2f 4512/**
3772a991 4513 * lpfc_enable_pci_dev - Enable a generic PCI device.
5b75da2f
JS		 4514 * @phba: pointer to lpfc hba data structure.
4515 *
3772a991
JS		 4516 * This routine is invoked to enable the PCI device that is common to all
4517 * PCI devices.
5b75da2f
JS		 4518 *
4519 * Return codes
af901ca1 4520 * 0 - successful
3772a991 4521 * other values - error
5b75da2f 4522 **/
3772a991
JS		 4523static int
4524lpfc_enable_pci_dev(struct lpfc_hba *phba)
5b75da2f 4525{
3772a991 4526 struct pci_dev *pdev;
079b5c91 4527 int bars = 0;
5b75da2f 4528
3772a991
JS		 4529 /* Obtain PCI device reference */
4530 if (!phba->pcidev)
4531 goto out_error;
4532 else
4533 pdev = phba->pcidev;
4534 /* Select PCI BARs */
4535 bars = pci_select_bars(pdev, IORESOURCE_MEM);
4536 /* Enable PCI device */
4537 if (pci_enable_device_mem(pdev))
4538 goto out_error;
4539 /* Request PCI resource for the device */
4540 if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME))
4541 goto out_disable_device;
4542 /* Set up device as PCI master and save state for EEH */
4543 pci_set_master(pdev);
4544 pci_try_set_mwi(pdev);
4545 pci_save_state(pdev);
5b75da2f 4546
0558056c
JS		 4547 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
4548 if (pci_find_capability(pdev, PCI_CAP_ID_EXP))
4549 pdev->needs_freset = 1;
4550
3772a991 4551 return 0;
5b75da2f 4552
3772a991
JS		 4553out_disable_device:
4554 pci_disable_device(pdev);
4555out_error:
079b5c91
JS		 4556 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4557 "1401 Failed to enable pci device, bars:x%x\n", bars);
3772a991 4558 return -ENODEV;
5b75da2f
JS		 4559}
4560
4561/**
3772a991 4562 * lpfc_disable_pci_dev - Disable a generic PCI device.
5b75da2f
JS		 4563 * @phba: pointer to lpfc hba data structure.
4564 *
3772a991
JS		 4565 * This routine is invoked to disable the PCI device that is common to all
4566 * PCI devices.
5b75da2f
JS		 4567 **/
4568static void
3772a991 4569lpfc_disable_pci_dev(struct lpfc_hba *phba)
5b75da2f 4570{
3772a991
JS		 4571 struct pci_dev *pdev;
4572 int bars;
5b75da2f 4573
3772a991
JS		 4574 /* Obtain PCI device reference */
4575 if (!phba->pcidev)
4576 return;
4577 else
4578 pdev = phba->pcidev;
4579 /* Select PCI BARs */
4580 bars = pci_select_bars(pdev, IORESOURCE_MEM);
4581 /* Release PCI resource and disable PCI device */
4582 pci_release_selected_regions(pdev, bars);
4583 pci_disable_device(pdev);
4584 /* Null out PCI private reference to driver */
4585 pci_set_drvdata(pdev, NULL);
5b75da2f
JS		 4586
4587 return;
4588}
4589
e59058c4 4590/**
3772a991
JS		 4591 * lpfc_reset_hba - Reset a hba
4592 * @phba: pointer to lpfc hba data structure.
e59058c4 4593 *
3772a991
JS		 4594 * This routine is invoked to reset a hba device. It brings the HBA
4595 * offline, performs a board restart, and then brings the board back
4596 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
4597 * on outstanding mailbox commands.
e59058c4 4598 **/
3772a991
JS		 4599void
4600lpfc_reset_hba(struct lpfc_hba *phba)
dea3101e 4601{
3772a991
JS		 4602 /* If resets are disabled then set error state and return. */
4603 if (!phba->cfg_enable_hba_reset) {
4604 phba->link_state = LPFC_HBA_ERROR;
4605 return;
4606 }
618a5230 4607 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
3772a991
JS		 4608 lpfc_offline(phba);
4609 lpfc_sli_brdrestart(phba);
4610 lpfc_online(phba);
4611 lpfc_unblock_mgmt_io(phba);
4612}
dea3101e 4613
0a96e975
JS		 4614/**
4615 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
4616 * @phba: pointer to lpfc hba data structure.
4617 *
4618 * This function enables the PCI SR-IOV virtual functions to a physical
4619 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4620 * enable the number of virtual functions to the physical function. As
4621 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4622 * API call does not considered as an error condition for most of the device.
4623 **/
4624uint16_t
4625lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *phba)
4626{
4627 struct pci_dev *pdev = phba->pcidev;
4628 uint16_t nr_virtfn;
4629 int pos;
4630
0a96e975
JS		 4631 pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
4632 if (pos == 0)
4633 return 0;
4634
4635 pci_read_config_word(pdev, pos + PCI_SRIOV_TOTAL_VF, &nr_virtfn);
4636 return nr_virtfn;
4637}
4638
912e3acd
JS		 4639/**
4640 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
4641 * @phba: pointer to lpfc hba data structure.
4642 * @nr_vfn: number of virtual functions to be enabled.
4643 *
4644 * This function enables the PCI SR-IOV virtual functions to a physical
4645 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4646 * enable the number of virtual functions to the physical function. As
4647 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4648 * API call does not considered as an error condition for most of the device.
4649 **/
4650int
4651lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn)
4652{
4653 struct pci_dev *pdev = phba->pcidev;
0a96e975 4654 uint16_t max_nr_vfn;
912e3acd
JS		 4655 int rc;
4656
0a96e975
JS		 4657 max_nr_vfn = lpfc_sli_sriov_nr_virtfn_get(phba);
4658 if (nr_vfn > max_nr_vfn) {
4659 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4660 "3057 Requested vfs (%d) greater than "
4661 "supported vfs (%d)", nr_vfn, max_nr_vfn);
4662 return -EINVAL;
4663 }
4664
912e3acd
JS		 4665 rc = pci_enable_sriov(pdev, nr_vfn);
4666 if (rc) {
4667 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4668 "2806 Failed to enable sriov on this device "
4669 "with vfn number nr_vf:%d, rc:%d\n",
4670 nr_vfn, rc);
4671 } else
4672 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4673 "2807 Successful enable sriov on this device "
4674 "with vfn number nr_vf:%d\n", nr_vfn);
4675 return rc;
4676}
4677
3772a991
JS		 4678/**
4679 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
4680 * @phba: pointer to lpfc hba data structure.
4681 *
4682 * This routine is invoked to set up the driver internal resources specific to
4683 * support the SLI-3 HBA device it attached to.
4684 *
4685 * Return codes
af901ca1 4686 * 0 - successful
3772a991
JS		 4687 * other values - error
4688 **/
4689static int
4690lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
4691{
4692 struct lpfc_sli *psli;
912e3acd 4693 int rc;
dea3101e 4694
2e0fef85 4695 /*
3772a991 4696 * Initialize timers used by driver
2e0fef85 4697 */
dea3101e 4698
3772a991 4699 /* Heartbeat timer */
858c9f6c
JS		 4700 init_timer(&phba->hb_tmofunc);
4701 phba->hb_tmofunc.function = lpfc_hb_timeout;
4702 phba->hb_tmofunc.data = (unsigned long)phba;
4703
dea3101e 4704 psli = &phba->sli;
3772a991 4705 /* MBOX heartbeat timer */
dea3101e 4706 init_timer(&psli->mbox_tmo);
4707 psli->mbox_tmo.function = lpfc_mbox_timeout;
2e0fef85 4708 psli->mbox_tmo.data = (unsigned long) phba;
3772a991 4709 /* FCP polling mode timer */
875fbdfe
JSEC		 4710 init_timer(&phba->fcp_poll_timer);
4711 phba->fcp_poll_timer.function = lpfc_poll_timeout;
2e0fef85 4712 phba->fcp_poll_timer.data = (unsigned long) phba;
3772a991 4713 /* Fabric block timer */
92d7f7b0
JS		 4714 init_timer(&phba->fabric_block_timer);
4715 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
4716 phba->fabric_block_timer.data = (unsigned long) phba;
3772a991 4717 /* EA polling mode timer */
9399627f
JS		 4718 init_timer(&phba->eratt_poll);
4719 phba->eratt_poll.function = lpfc_poll_eratt;
4720 phba->eratt_poll.data = (unsigned long) phba;
dea3101e 4721
3772a991
JS		 4722 /* Host attention work mask setup */
4723 phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT);
4724 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
dea3101e 4725
3772a991
JS		 4726 /* Get all the module params for configuring this host */
4727 lpfc_get_cfgparam(phba);
49198b37
JS		 4728 if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) {
4729 phba->menlo_flag |= HBA_MENLO_SUPPORT;
4730 /* check for menlo minimum sg count */
4731 if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT)
4732 phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT;
4733 }
4734
2a76a283
JS		 4735 if (!phba->sli.ring)
4736 phba->sli.ring = (struct lpfc_sli_ring *)
4737 kzalloc(LPFC_SLI3_MAX_RING *
4738 sizeof(struct lpfc_sli_ring), GFP_KERNEL);
4739 if (!phba->sli.ring)
4740 return -ENOMEM;
4741
dea3101e 4742 /*
96f7077f 4743 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
3772a991 4744 * used to create the sg_dma_buf_pool must be dynamically calculated.
dea3101e 4745 */
3772a991 4746
96f7077f
JS		 4747 /* Initialize the host templates the configured values. */
4748 lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4749 lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4750
4751 /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */
3772a991 4752 if (phba->cfg_enable_bg) {
96f7077f
JS		 4753 /*
4754 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
4755 * the FCP rsp, and a BDE for each. Sice we have no control
4756 * over how many protection data segments the SCSI Layer
4757 * will hand us (ie: there could be one for every block
4758 * in the IO), we just allocate enough BDEs to accomidate
4759 * our max amount and we need to limit lpfc_sg_seg_cnt to
4760 * minimize the risk of running out.
4761 */
4762 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
4763 sizeof(struct fcp_rsp) +
4764 (LPFC_MAX_SG_SEG_CNT * sizeof(struct ulp_bde64));
4765
4766 if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SEG_CNT_DIF)
4767 phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT_DIF;
4768
4769 /* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */
4770 phba->cfg_total_seg_cnt = LPFC_MAX_SG_SEG_CNT;
4771 } else {
4772 /*
4773 * The scsi_buf for a regular I/O will hold the FCP cmnd,
4774 * the FCP rsp, a BDE for each, and a BDE for up to
4775 * cfg_sg_seg_cnt data segments.
4776 */
4777 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
4778 sizeof(struct fcp_rsp) +
4779 ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64));
4780
4781 /* Total BDEs in BPL for scsi_sg_list */
4782 phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2;
901a920f 4783 }
dea3101e 4784
96f7077f
JS		 4785 lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP,
4786 "9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n",
4787 phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size,
4788 phba->cfg_total_seg_cnt);
dea3101e 4789
3772a991
JS		 4790 phba->max_vpi = LPFC_MAX_VPI;
4791 /* This will be set to correct value after config_port mbox */
4792 phba->max_vports = 0;
dea3101e 4793
3772a991
JS		 4794 /*
4795 * Initialize the SLI Layer to run with lpfc HBAs.
4796 */
4797 lpfc_sli_setup(phba);
4798 lpfc_sli_queue_setup(phba);
ed957684 4799
3772a991
JS		 4800 /* Allocate device driver memory */
4801 if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ))
4802 return -ENOMEM;
51ef4c26 4803
912e3acd
JS		 4804 /*
4805 * Enable sr-iov virtual functions if supported and configured
4806 * through the module parameter.
4807 */
4808 if (phba->cfg_sriov_nr_virtfn > 0) {
4809 rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
4810 phba->cfg_sriov_nr_virtfn);
4811 if (rc) {
4812 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4813 "2808 Requested number of SR-IOV "
4814 "virtual functions (%d) is not "
4815 "supported\n",
4816 phba->cfg_sriov_nr_virtfn);
4817 phba->cfg_sriov_nr_virtfn = 0;
4818 }
4819 }
4820
3772a991
JS		 4821 return 0;
4822}
ed957684 4823
3772a991
JS		 4824/**
4825 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
4826 * @phba: pointer to lpfc hba data structure.
4827 *
4828 * This routine is invoked to unset the driver internal resources set up
4829 * specific for supporting the SLI-3 HBA device it attached to.
4830 **/
4831static void
4832lpfc_sli_driver_resource_unset(struct lpfc_hba *phba)
4833{
4834 /* Free device driver memory allocated */
4835 lpfc_mem_free_all(phba);
3163f725 4836
3772a991
JS		 4837 return;
4838}
dea3101e 4839
3772a991 4840/**
da0436e9 4841 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
3772a991
JS		 4842 * @phba: pointer to lpfc hba data structure.
4843 *
da0436e9
JS		 4844 * This routine is invoked to set up the driver internal resources specific to
4845 * support the SLI-4 HBA device it attached to.
3772a991
JS		 4846 *
4847 * Return codes
af901ca1 4848 * 0 - successful
da0436e9 4849 * other values - error
3772a991
JS		 4850 **/
4851static int
da0436e9 4852lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
3772a991 4853{
7bb03bbf 4854 struct lpfc_vector_map_info *cpup;
da0436e9 4855 struct lpfc_sli *psli;
28baac74 4856 LPFC_MBOXQ_t *mboxq;
96f7077f 4857 int rc, i, hbq_count, max_buf_size;
28baac74
JS		 4858 uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0};
4859 struct lpfc_mqe *mqe;
09294d46 4860 int longs;
da0436e9
JS		 4861
4862 /* Before proceed, wait for POST done and device ready */
4863 rc = lpfc_sli4_post_status_check(phba);
4864 if (rc)
4865 return -ENODEV;
4866
3772a991 4867 /*
da0436e9 4868 * Initialize timers used by driver
3772a991 4869 */
3772a991 4870
da0436e9
JS		 4871 /* Heartbeat timer */
4872 init_timer(&phba->hb_tmofunc);
4873 phba->hb_tmofunc.function = lpfc_hb_timeout;
4874 phba->hb_tmofunc.data = (unsigned long)phba;
19ca7609
JS		 4875 init_timer(&phba->rrq_tmr);
4876 phba->rrq_tmr.function = lpfc_rrq_timeout;
4877 phba->rrq_tmr.data = (unsigned long)phba;
3772a991 4878
da0436e9
JS		 4879 psli = &phba->sli;
4880 /* MBOX heartbeat timer */
4881 init_timer(&psli->mbox_tmo);
4882 psli->mbox_tmo.function = lpfc_mbox_timeout;
4883 psli->mbox_tmo.data = (unsigned long) phba;
4884 /* Fabric block timer */
4885 init_timer(&phba->fabric_block_timer);
4886 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
4887 phba->fabric_block_timer.data = (unsigned long) phba;
4888 /* EA polling mode timer */
4889 init_timer(&phba->eratt_poll);
4890 phba->eratt_poll.function = lpfc_poll_eratt;
4891 phba->eratt_poll.data = (unsigned long) phba;
ecfd03c6
JS		 4892 /* FCF rediscover timer */
4893 init_timer(&phba->fcf.redisc_wait);
4894 phba->fcf.redisc_wait.function = lpfc_sli4_fcf_redisc_wait_tmo;
4895 phba->fcf.redisc_wait.data = (unsigned long)phba;
4896
7ad20aa9
JS		 4897 /*
4898 * Control structure for handling external multi-buffer mailbox
4899 * command pass-through.
4900 */
4901 memset((uint8_t *)&phba->mbox_ext_buf_ctx, 0,
4902 sizeof(struct lpfc_mbox_ext_buf_ctx));
4903 INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list);
4904
da0436e9
JS		 4905 /*
4906 * We need to do a READ_CONFIG mailbox command here before
4907 * calling lpfc_get_cfgparam. For VFs this will report the
4908 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
4909 * All of the resources allocated
4910 * for this Port are tied to these values.
4911 */
4912 /* Get all the module params for configuring this host */
4913 lpfc_get_cfgparam(phba);
4914 phba->max_vpi = LPFC_MAX_VPI;
67d12733
JS		 4915
4916 /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
4917 phba->cfg_fcp_io_channel = phba->cfg_fcp_eq_count;
4918
da0436e9
JS		 4919 /* This will be set to correct value after the read_config mbox */
4920 phba->max_vports = 0;
3772a991 4921
da0436e9
JS		 4922 /* Program the default value of vlan_id and fc_map */
4923 phba->valid_vlan = 0;
4924 phba->fc_map[0] = LPFC_FCOE_FCF_MAP0;
4925 phba->fc_map[1] = LPFC_FCOE_FCF_MAP1;
4926 phba->fc_map[2] = LPFC_FCOE_FCF_MAP2;
3772a991 4927
2a76a283
JS		 4928 /*
4929 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
4930 * we will associate a new ring, for each FCP fastpath EQ/CQ/WQ tuple.
4931 */
4932 if (!phba->sli.ring)
4933 phba->sli.ring = kzalloc(
67d12733 4934 (LPFC_SLI3_MAX_RING + phba->cfg_fcp_io_channel) *
2a76a283
JS		 4935 sizeof(struct lpfc_sli_ring), GFP_KERNEL);
4936 if (!phba->sli.ring)
4937 return -ENOMEM;
09294d46 4938
da0436e9 4939 /*
09294d46
JS		 4940 * It doesn't matter what family our adapter is in, we are
4941 * limited to 2 Pages, 512 SGEs, for our SGL.
4942 * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp
4943 */
4944 max_buf_size = (2 * SLI4_PAGE_SIZE);
4945 if (phba->cfg_sg_seg_cnt > LPFC_MAX_SGL_SEG_CNT - 2)
4946 phba->cfg_sg_seg_cnt = LPFC_MAX_SGL_SEG_CNT - 2;
09294d46 4947
da0436e9 4948 /*
96f7077f 4949 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
da0436e9 4950 * used to create the sg_dma_buf_pool must be dynamically calculated.
da0436e9 4951 */
96f7077f
JS		 4952
4953 if (phba->cfg_enable_bg) {
4954 /*
4955 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
4956 * the FCP rsp, and a SGE for each. Sice we have no control
4957 * over how many protection data segments the SCSI Layer
4958 * will hand us (ie: there could be one for every block
4959 * in the IO), we just allocate enough SGEs to accomidate
4960 * our max amount and we need to limit lpfc_sg_seg_cnt to
4961 * minimize the risk of running out.
4962 */
4963 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
4964 sizeof(struct fcp_rsp) + max_buf_size;
4965
4966 /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */
4967 phba->cfg_total_seg_cnt = LPFC_MAX_SGL_SEG_CNT;
4968
4969 if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SLI4_SEG_CNT_DIF)
4970 phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SLI4_SEG_CNT_DIF;
4971 } else {
4972 /*
4973 * The scsi_buf for a regular I/O will hold the FCP cmnd,
4974 * the FCP rsp, a SGE for each, and a SGE for up to
4975 * cfg_sg_seg_cnt data segments.
4976 */
4977 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
4978 sizeof(struct fcp_rsp) +
4979 ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge));
4980
4981 /* Total SGEs for scsi_sg_list */
4982 phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2;
4983 /*
4984 * NOTE: if (phba->cfg_sg_seg_cnt + 2) <= 256 we only need
4985 * to post 1 page for the SGL.
4986 */
085c647c 4987 }
acd6859b 4988
96f7077f
JS		 4989 /* Initialize the host templates with the updated values. */
4990 lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4991 lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4992
4993 if (phba->cfg_sg_dma_buf_size <= LPFC_MIN_SG_SLI4_BUF_SZ)
4994 phba->cfg_sg_dma_buf_size = LPFC_MIN_SG_SLI4_BUF_SZ;
4995 else
4996 phba->cfg_sg_dma_buf_size =
4997 SLI4_PAGE_ALIGN(phba->cfg_sg_dma_buf_size);
4998
4999 lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP,
5000 "9087 sg_tablesize:%d dmabuf_size:%d total_sge:%d\n",
5001 phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size,
5002 phba->cfg_total_seg_cnt);
3772a991 5003
da0436e9
JS		 5004 /* Initialize buffer queue management fields */
5005 hbq_count = lpfc_sli_hbq_count();
5006 for (i = 0; i < hbq_count; ++i)
5007 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
5008 INIT_LIST_HEAD(&phba->rb_pend_list);
5009 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc;
5010 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free;
3772a991 5011
da0436e9
JS		 5012 /*
5013 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
5014 */
5015 /* Initialize the Abort scsi buffer list used by driver */
5016 spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock);
5017 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
5018 /* This abort list used by worker thread */
5019 spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock);
3772a991 5020
da0436e9 5021 /*
6d368e53 5022 * Initialize driver internal slow-path work queues
da0436e9 5023 */
3772a991 5024
da0436e9
JS		 5025 /* Driver internel slow-path CQ Event pool */
5026 INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool);
5027 /* Response IOCB work queue list */
45ed1190 5028 INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event);
da0436e9
JS		 5029 /* Asynchronous event CQ Event work queue list */
5030 INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue);
5031 /* Fast-path XRI aborted CQ Event work queue list */
5032 INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue);
5033 /* Slow-path XRI aborted CQ Event work queue list */
5034 INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue);
5035 /* Receive queue CQ Event work queue list */
5036 INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue);
5037
6d368e53
JS		 5038 /* Initialize extent block lists. */
5039 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_blk_list);
5040 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_xri_blk_list);
5041 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_vfi_blk_list);
5042 INIT_LIST_HEAD(&phba->lpfc_vpi_blk_list);
5043
da0436e9
JS		 5044 /* Initialize the driver internal SLI layer lists. */
5045 lpfc_sli_setup(phba);
5046 lpfc_sli_queue_setup(phba);
3772a991 5047
da0436e9
JS		 5048 /* Allocate device driver memory */
5049 rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ);
5050 if (rc)
5051 return -ENOMEM;
5052
2fcee4bf
JS		 5053 /* IF Type 2 ports get initialized now. */
5054 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
5055 LPFC_SLI_INTF_IF_TYPE_2) {
5056 rc = lpfc_pci_function_reset(phba);
5057 if (unlikely(rc))
5058 return -ENODEV;
5059 }
5060
da0436e9
JS		 5061 /* Create the bootstrap mailbox command */
5062 rc = lpfc_create_bootstrap_mbox(phba);
5063 if (unlikely(rc))
5064 goto out_free_mem;
5065
5066 /* Set up the host's endian order with the device. */
5067 rc = lpfc_setup_endian_order(phba);
5068 if (unlikely(rc))
5069 goto out_free_bsmbx;
5070
5071 /* Set up the hba's configuration parameters. */
5072 rc = lpfc_sli4_read_config(phba);
5073 if (unlikely(rc))
5074 goto out_free_bsmbx;
5075
2fcee4bf
JS		 5076 /* IF Type 0 ports get initialized now. */
5077 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
5078 LPFC_SLI_INTF_IF_TYPE_0) {
5079 rc = lpfc_pci_function_reset(phba);
5080 if (unlikely(rc))
5081 goto out_free_bsmbx;
5082 }
da0436e9 5083
cb5172ea
JS		 5084 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
5085 GFP_KERNEL);
5086 if (!mboxq) {
5087 rc = -ENOMEM;
5088 goto out_free_bsmbx;
5089 }
5090
fedd3b7b 5091 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
cb5172ea
JS		 5092 lpfc_supported_pages(mboxq);
5093 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
fedd3b7b
JS		 5094 if (!rc) {
5095 mqe = &mboxq->u.mqe;
5096 memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3),
5097 LPFC_MAX_SUPPORTED_PAGES);
5098 for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) {
5099 switch (pn_page[i]) {
5100 case LPFC_SLI4_PARAMETERS:
5101 phba->sli4_hba.pc_sli4_params.supported = 1;
5102 break;
5103 default:
5104 break;
5105 }
5106 }
5107 /* Read the port's SLI4 Parameters capabilities if supported. */
5108 if (phba->sli4_hba.pc_sli4_params.supported)
5109 rc = lpfc_pc_sli4_params_get(phba, mboxq);
5110 if (rc) {
5111 mempool_free(mboxq, phba->mbox_mem_pool);
5112 rc = -EIO;
5113 goto out_free_bsmbx;
cb5172ea
JS		 5114 }
5115 }
fedd3b7b
JS		 5116 /*
5117 * Get sli4 parameters that override parameters from Port capabilities.
6d368e53
JS		 5118 * If this call fails, it isn't critical unless the SLI4 parameters come
5119 * back in conflict.
fedd3b7b 5120 */
6d368e53
JS		 5121 rc = lpfc_get_sli4_parameters(phba, mboxq);
5122 if (rc) {
5123 if (phba->sli4_hba.extents_in_use &&
5124 phba->sli4_hba.rpi_hdrs_in_use) {
5125 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5126 "2999 Unsupported SLI4 Parameters "
5127 "Extents and RPI headers enabled.\n");
5128 goto out_free_bsmbx;
5129 }
5130 }
cb5172ea 5131 mempool_free(mboxq, phba->mbox_mem_pool);
5350d872
JS		 5132 /* Verify all the SLI4 queues */
5133 rc = lpfc_sli4_queue_verify(phba);
da0436e9
JS		 5134 if (rc)
5135 goto out_free_bsmbx;
5136
5137 /* Create driver internal CQE event pool */
5138 rc = lpfc_sli4_cq_event_pool_create(phba);
5139 if (rc)
5350d872 5140 goto out_free_bsmbx;
da0436e9 5141
8a9d2e80
JS		 5142 /* Initialize sgl lists per host */
5143 lpfc_init_sgl_list(phba);
5144
5145 /* Allocate and initialize active sgl array */
da0436e9
JS		 5146 rc = lpfc_init_active_sgl_array(phba);
5147 if (rc) {
5148 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5149 "1430 Failed to initialize sgl list.\n");
8a9d2e80 5150 goto out_destroy_cq_event_pool;
da0436e9 5151 }
da0436e9
JS		 5152 rc = lpfc_sli4_init_rpi_hdrs(phba);
5153 if (rc) {
5154 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5155 "1432 Failed to initialize rpi headers.\n");
5156 goto out_free_active_sgl;
5157 }
5158
a93ff37a 5159 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
0c9ab6f5
JS		 5160 longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG;
5161 phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long),
5162 GFP_KERNEL);
5163 if (!phba->fcf.fcf_rr_bmask) {
5164 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5165 "2759 Failed allocate memory for FCF round "
5166 "robin failover bmask\n");
0558056c 5167 rc = -ENOMEM;
0c9ab6f5
JS		 5168 goto out_remove_rpi_hdrs;
5169 }
5170
67d12733
JS		 5171 phba->sli4_hba.fcp_eq_hdl =
5172 kzalloc((sizeof(struct lpfc_fcp_eq_hdl) *
5173 phba->cfg_fcp_io_channel), GFP_KERNEL);
5174 if (!phba->sli4_hba.fcp_eq_hdl) {
5175 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5176 "2572 Failed allocate memory for "
5177 "fast-path per-EQ handle array\n");
5178 rc = -ENOMEM;
5179 goto out_free_fcf_rr_bmask;
da0436e9
JS		 5180 }
5181
5182 phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) *
82c3e9ba 5183 phba->cfg_fcp_io_channel), GFP_KERNEL);
da0436e9
JS		 5184 if (!phba->sli4_hba.msix_entries) {
5185 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5186 "2573 Failed allocate memory for msi-x "
5187 "interrupt vector entries\n");
0558056c 5188 rc = -ENOMEM;
da0436e9
JS		 5189 goto out_free_fcp_eq_hdl;
5190 }
5191
7bb03bbf
JS		 5192 phba->sli4_hba.cpu_map = kzalloc((sizeof(struct lpfc_vector_map_info) *
5193 phba->sli4_hba.num_present_cpu),
5194 GFP_KERNEL);
5195 if (!phba->sli4_hba.cpu_map) {
5196 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5197 "3327 Failed allocate memory for msi-x "
5198 "interrupt vector mapping\n");
5199 rc = -ENOMEM;
5200 goto out_free_msix;
5201 }
b246de17
JS		 5202 if (lpfc_used_cpu == NULL) {
5203 lpfc_used_cpu = kzalloc((sizeof(uint16_t) * lpfc_present_cpu),
5204 GFP_KERNEL);
5205 if (!lpfc_used_cpu) {
5206 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5207 "3335 Failed allocate memory for msi-x "
5208 "interrupt vector mapping\n");
5209 kfree(phba->sli4_hba.cpu_map);
5210 rc = -ENOMEM;
5211 goto out_free_msix;
5212 }
5213 for (i = 0; i < lpfc_present_cpu; i++)
5214 lpfc_used_cpu[i] = LPFC_VECTOR_MAP_EMPTY;
5215 }
5216
7bb03bbf
JS		 5217 /* Initialize io channels for round robin */
5218 cpup = phba->sli4_hba.cpu_map;
5219 rc = 0;
5220 for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
5221 cpup->channel_id = rc;
5222 rc++;
5223 if (rc >= phba->cfg_fcp_io_channel)
5224 rc = 0;
5225 }
5226
912e3acd
JS		 5227 /*
5228 * Enable sr-iov virtual functions if supported and configured
5229 * through the module parameter.
5230 */
5231 if (phba->cfg_sriov_nr_virtfn > 0) {
5232 rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
5233 phba->cfg_sriov_nr_virtfn);
5234 if (rc) {
5235 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
5236 "3020 Requested number of SR-IOV "
5237 "virtual functions (%d) is not "
5238 "supported\n",
5239 phba->cfg_sriov_nr_virtfn);
5240 phba->cfg_sriov_nr_virtfn = 0;
5241 }
5242 }
5243
5248a749 5244 return 0;
da0436e9 5245
7bb03bbf
JS		 5246out_free_msix:
5247 kfree(phba->sli4_hba.msix_entries);
da0436e9
JS		 5248out_free_fcp_eq_hdl:
5249 kfree(phba->sli4_hba.fcp_eq_hdl);
0c9ab6f5
JS		 5250out_free_fcf_rr_bmask:
5251 kfree(phba->fcf.fcf_rr_bmask);
da0436e9
JS		 5252out_remove_rpi_hdrs:
5253 lpfc_sli4_remove_rpi_hdrs(phba);
5254out_free_active_sgl:
5255 lpfc_free_active_sgl(phba);
da0436e9
JS		 5256out_destroy_cq_event_pool:
5257 lpfc_sli4_cq_event_pool_destroy(phba);
da0436e9
JS		 5258out_free_bsmbx:
5259 lpfc_destroy_bootstrap_mbox(phba);
5260out_free_mem:
5261 lpfc_mem_free(phba);
5262 return rc;
5263}
5264
5265/**
5266 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
5267 * @phba: pointer to lpfc hba data structure.
5268 *
5269 * This routine is invoked to unset the driver internal resources set up
5270 * specific for supporting the SLI-4 HBA device it attached to.
5271 **/
5272static void
5273lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba)
5274{
5275 struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry;
5276
7bb03bbf
JS		 5277 /* Free memory allocated for msi-x interrupt vector to CPU mapping */
5278 kfree(phba->sli4_hba.cpu_map);
5279 phba->sli4_hba.num_present_cpu = 0;
5280 phba->sli4_hba.num_online_cpu = 0;
5281
da0436e9
JS		 5282 /* Free memory allocated for msi-x interrupt vector entries */
5283 kfree(phba->sli4_hba.msix_entries);
5284
5285 /* Free memory allocated for fast-path work queue handles */
5286 kfree(phba->sli4_hba.fcp_eq_hdl);
5287
5288 /* Free the allocated rpi headers. */
5289 lpfc_sli4_remove_rpi_hdrs(phba);
d11e31dd 5290 lpfc_sli4_remove_rpis(phba);
da0436e9 5291
0c9ab6f5
JS		 5292 /* Free eligible FCF index bmask */
5293 kfree(phba->fcf.fcf_rr_bmask);
5294
da0436e9
JS		 5295 /* Free the ELS sgl list */
5296 lpfc_free_active_sgl(phba);
8a9d2e80 5297 lpfc_free_els_sgl_list(phba);
da0436e9 5298
da0436e9
JS		 5299 /* Free the completion queue EQ event pool */
5300 lpfc_sli4_cq_event_release_all(phba);
5301 lpfc_sli4_cq_event_pool_destroy(phba);
5302
6d368e53
JS		 5303 /* Release resource identifiers. */
5304 lpfc_sli4_dealloc_resource_identifiers(phba);
5305
da0436e9
JS		 5306 /* Free the bsmbx region. */
5307 lpfc_destroy_bootstrap_mbox(phba);
5308
5309 /* Free the SLI Layer memory with SLI4 HBAs */
5310 lpfc_mem_free_all(phba);
5311
5312 /* Free the current connect table */
5313 list_for_each_entry_safe(conn_entry, next_conn_entry,
4d9ab994
JS		 5314 &phba->fcf_conn_rec_list, list) {
5315 list_del_init(&conn_entry->list);
da0436e9 5316 kfree(conn_entry);
4d9ab994 5317 }
da0436e9
JS		 5318
5319 return;
5320}
5321
5322/**
25985edc 5323 * lpfc_init_api_table_setup - Set up init api function jump table
da0436e9
JS		 5324 * @phba: The hba struct for which this call is being executed.
5325 * @dev_grp: The HBA PCI-Device group number.
5326 *
5327 * This routine sets up the device INIT interface API function jump table
5328 * in @phba struct.
5329 *
5330 * Returns: 0 - success, -ENODEV - failure.
5331 **/
5332int
5333lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
5334{
84d1b006
JS		 5335 phba->lpfc_hba_init_link = lpfc_hba_init_link;
5336 phba->lpfc_hba_down_link = lpfc_hba_down_link;
7f86059a 5337 phba->lpfc_selective_reset = lpfc_selective_reset;
da0436e9
JS		 5338 switch (dev_grp) {
5339 case LPFC_PCI_DEV_LP:
5340 phba->lpfc_hba_down_post = lpfc_hba_down_post_s3;
5341 phba->lpfc_handle_eratt = lpfc_handle_eratt_s3;
5342 phba->lpfc_stop_port = lpfc_stop_port_s3;
5343 break;
5344 case LPFC_PCI_DEV_OC:
5345 phba->lpfc_hba_down_post = lpfc_hba_down_post_s4;
5346 phba->lpfc_handle_eratt = lpfc_handle_eratt_s4;
5347 phba->lpfc_stop_port = lpfc_stop_port_s4;
5348 break;
5349 default:
5350 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5351 "1431 Invalid HBA PCI-device group: 0x%x\n",
5352 dev_grp);
5353 return -ENODEV;
5354 break;
5355 }
5356 return 0;
5357}
5358
5359/**
5360 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
5361 * @phba: pointer to lpfc hba data structure.
5362 *
5363 * This routine is invoked to set up the driver internal resources before the
5364 * device specific resource setup to support the HBA device it attached to.
5365 *
5366 * Return codes
af901ca1 5367 * 0 - successful
da0436e9
JS		 5368 * other values - error
5369 **/
5370static int
5371lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba)
5372{
5373 /*
5374 * Driver resources common to all SLI revisions
5375 */
5376 atomic_set(&phba->fast_event_count, 0);
5377 spin_lock_init(&phba->hbalock);
5378
5379 /* Initialize ndlp management spinlock */
5380 spin_lock_init(&phba->ndlp_lock);
5381
5382 INIT_LIST_HEAD(&phba->port_list);
5383 INIT_LIST_HEAD(&phba->work_list);
5384 init_waitqueue_head(&phba->wait_4_mlo_m_q);
5385
5386 /* Initialize the wait queue head for the kernel thread */
5387 init_waitqueue_head(&phba->work_waitq);
5388
5389 /* Initialize the scsi buffer list used by driver for scsi IO */
a40fc5f0
JS		 5390 spin_lock_init(&phba->scsi_buf_list_get_lock);
5391 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get);
5392 spin_lock_init(&phba->scsi_buf_list_put_lock);
5393 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put);
da0436e9
JS		 5394
5395 /* Initialize the fabric iocb list */
5396 INIT_LIST_HEAD(&phba->fabric_iocb_list);
5397
5398 /* Initialize list to save ELS buffers */
5399 INIT_LIST_HEAD(&phba->elsbuf);
5400
5401 /* Initialize FCF connection rec list */
5402 INIT_LIST_HEAD(&phba->fcf_conn_rec_list);
5403
5404 return 0;
5405}
5406
5407/**
5408 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
5409 * @phba: pointer to lpfc hba data structure.
5410 *
5411 * This routine is invoked to set up the driver internal resources after the
5412 * device specific resource setup to support the HBA device it attached to.
5413 *
5414 * Return codes
af901ca1 5415 * 0 - successful
da0436e9
JS		 5416 * other values - error
5417 **/
5418static int
5419lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba)
5420{
5421 int error;
5422
5423 /* Startup the kernel thread for this host adapter. */
5424 phba->worker_thread = kthread_run(lpfc_do_work, phba,
5425 "lpfc_worker_%d", phba->brd_no);
5426 if (IS_ERR(phba->worker_thread)) {
5427 error = PTR_ERR(phba->worker_thread);
5428 return error;
3772a991
JS		 5429 }
5430
5431 return 0;
5432}
5433
5434/**
5435 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
5436 * @phba: pointer to lpfc hba data structure.
5437 *
5438 * This routine is invoked to unset the driver internal resources set up after
5439 * the device specific resource setup for supporting the HBA device it
5440 * attached to.
5441 **/
5442static void
5443lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba)
5444{
5445 /* Stop kernel worker thread */
5446 kthread_stop(phba->worker_thread);
5447}
5448
5449/**
5450 * lpfc_free_iocb_list - Free iocb list.
5451 * @phba: pointer to lpfc hba data structure.
5452 *
5453 * This routine is invoked to free the driver's IOCB list and memory.
5454 **/
5455static void
5456lpfc_free_iocb_list(struct lpfc_hba *phba)
5457{
5458 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
5459
5460 spin_lock_irq(&phba->hbalock);
5461 list_for_each_entry_safe(iocbq_entry, iocbq_next,
5462 &phba->lpfc_iocb_list, list) {
5463 list_del(&iocbq_entry->list);
5464 kfree(iocbq_entry);
5465 phba->total_iocbq_bufs--;
98c9ea5c 5466 }
3772a991
JS		 5467 spin_unlock_irq(&phba->hbalock);
5468
5469 return;
5470}
5471
5472/**
5473 * lpfc_init_iocb_list - Allocate and initialize iocb list.
5474 * @phba: pointer to lpfc hba data structure.
5475 *
5476 * This routine is invoked to allocate and initizlize the driver's IOCB
5477 * list and set up the IOCB tag array accordingly.
5478 *
5479 * Return codes
af901ca1 5480 * 0 - successful
3772a991
JS		 5481 * other values - error
5482 **/
5483static int
5484lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count)
5485{
5486 struct lpfc_iocbq *iocbq_entry = NULL;
5487 uint16_t iotag;
5488 int i;
dea3101e 5489
5490 /* Initialize and populate the iocb list per host. */
5491 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
3772a991 5492 for (i = 0; i < iocb_count; i++) {
dd00cc48 5493 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
dea3101e 5494 if (iocbq_entry == NULL) {
5495 printk(KERN_ERR "%s: only allocated %d iocbs of "
5496 "expected %d count. Unloading driver.\n",
cadbd4a5 5497 __func__, i, LPFC_IOCB_LIST_CNT);
dea3101e 5498 goto out_free_iocbq;
5499 }
5500
604a3e30
JB		 5501 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
5502 if (iotag == 0) {
3772a991 5503 kfree(iocbq_entry);
604a3e30 5504 printk(KERN_ERR "%s: failed to allocate IOTAG. "
3772a991 5505 "Unloading driver.\n", __func__);
604a3e30
JB		 5506 goto out_free_iocbq;
5507 }
6d368e53 5508 iocbq_entry->sli4_lxritag = NO_XRI;
3772a991 5509 iocbq_entry->sli4_xritag = NO_XRI;
2e0fef85
JS		 5510
5511 spin_lock_irq(&phba->hbalock);
dea3101e 5512 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
5513 phba->total_iocbq_bufs++;
2e0fef85 5514 spin_unlock_irq(&phba->hbalock);
dea3101e 5515 }
5516
3772a991 5517 return 0;
dea3101e 5518
3772a991
JS		 5519out_free_iocbq:
5520 lpfc_free_iocb_list(phba);
dea3101e 5521
3772a991
JS		 5522 return -ENOMEM;
5523}
5e9d9b82 5524
3772a991 5525/**
8a9d2e80 5526 * lpfc_free_sgl_list - Free a given sgl list.
da0436e9 5527 * @phba: pointer to lpfc hba data structure.
8a9d2e80 5528 * @sglq_list: pointer to the head of sgl list.
3772a991 5529 *
8a9d2e80 5530 * This routine is invoked to free a give sgl list and memory.
3772a991 5531 **/
8a9d2e80
JS		 5532void
5533lpfc_free_sgl_list(struct lpfc_hba *phba, struct list_head *sglq_list)
3772a991 5534{
da0436e9 5535 struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
8a9d2e80
JS		 5536
5537 list_for_each_entry_safe(sglq_entry, sglq_next, sglq_list, list) {
5538 list_del(&sglq_entry->list);
5539 lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys);
5540 kfree(sglq_entry);
5541 }
5542}
5543
5544/**
5545 * lpfc_free_els_sgl_list - Free els sgl list.
5546 * @phba: pointer to lpfc hba data structure.
5547 *
5548 * This routine is invoked to free the driver's els sgl list and memory.
5549 **/
5550static void
5551lpfc_free_els_sgl_list(struct lpfc_hba *phba)
5552{
da0436e9 5553 LIST_HEAD(sglq_list);
dea3101e 5554
8a9d2e80 5555 /* Retrieve all els sgls from driver list */
da0436e9
JS		 5556 spin_lock_irq(&phba->hbalock);
5557 list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list);
5558 spin_unlock_irq(&phba->hbalock);
dea3101e 5559
8a9d2e80
JS		 5560 /* Now free the sgl list */
5561 lpfc_free_sgl_list(phba, &sglq_list);
da0436e9 5562}
92d7f7b0 5563
da0436e9
JS		 5564/**
5565 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
5566 * @phba: pointer to lpfc hba data structure.
5567 *
5568 * This routine is invoked to allocate the driver's active sgl memory.
5569 * This array will hold the sglq_entry's for active IOs.
5570 **/
5571static int
5572lpfc_init_active_sgl_array(struct lpfc_hba *phba)
5573{
5574 int size;
5575 size = sizeof(struct lpfc_sglq *);
5576 size *= phba->sli4_hba.max_cfg_param.max_xri;
5577
5578 phba->sli4_hba.lpfc_sglq_active_list =
5579 kzalloc(size, GFP_KERNEL);
5580 if (!phba->sli4_hba.lpfc_sglq_active_list)
5581 return -ENOMEM;
5582 return 0;
3772a991
JS		 5583}
5584
5585/**
da0436e9 5586 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
3772a991
JS		 5587 * @phba: pointer to lpfc hba data structure.
5588 *
da0436e9
JS		 5589 * This routine is invoked to walk through the array of active sglq entries
5590 * and free all of the resources.
5591 * This is just a place holder for now.
3772a991
JS		 5592 **/
5593static void
da0436e9 5594lpfc_free_active_sgl(struct lpfc_hba *phba)
3772a991 5595{
da0436e9 5596 kfree(phba->sli4_hba.lpfc_sglq_active_list);
3772a991
JS		 5597}
5598
5599/**
da0436e9 5600 * lpfc_init_sgl_list - Allocate and initialize sgl list.
3772a991
JS		 5601 * @phba: pointer to lpfc hba data structure.
5602 *
da0436e9
JS		 5603 * This routine is invoked to allocate and initizlize the driver's sgl
5604 * list and set up the sgl xritag tag array accordingly.
3772a991 5605 *
3772a991 5606 **/
8a9d2e80 5607static void
da0436e9 5608lpfc_init_sgl_list(struct lpfc_hba *phba)
3772a991 5609{
da0436e9
JS		 5610 /* Initialize and populate the sglq list per host/VF. */
5611 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list);
5612 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list);
5613
8a9d2e80
JS		 5614 /* els xri-sgl book keeping */
5615 phba->sli4_hba.els_xri_cnt = 0;
0ff10d46 5616
8a9d2e80 5617 /* scsi xri-buffer book keeping */
da0436e9 5618 phba->sli4_hba.scsi_xri_cnt = 0;
da0436e9
JS		 5619}
5620
5621/**
5622 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
5623 * @phba: pointer to lpfc hba data structure.
5624 *
5625 * This routine is invoked to post rpi header templates to the
88a2cfbb 5626 * port for those SLI4 ports that do not support extents. This routine
da0436e9 5627 * posts a PAGE_SIZE memory region to the port to hold up to
88a2cfbb
JS		 5628 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
5629 * and should be called only when interrupts are disabled.
da0436e9
JS		 5630 *
5631 * Return codes
af901ca1 5632 * 0 - successful
88a2cfbb 5633 * -ERROR - otherwise.
da0436e9
JS		 5634 **/
5635int
5636lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba)
5637{
5638 int rc = 0;
da0436e9
JS		 5639 struct lpfc_rpi_hdr *rpi_hdr;
5640
5641 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list);
ff78d8f9 5642 if (!phba->sli4_hba.rpi_hdrs_in_use)
6d368e53 5643 return rc;
6d368e53
JS		 5644 if (phba->sli4_hba.extents_in_use)
5645 return -EIO;
da0436e9
JS		 5646
5647 rpi_hdr = lpfc_sli4_create_rpi_hdr(phba);
5648 if (!rpi_hdr) {
5649 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
5650 "0391 Error during rpi post operation\n");
5651 lpfc_sli4_remove_rpis(phba);
5652 rc = -ENODEV;
5653 }
5654
5655 return rc;
5656}
5657
5658/**
5659 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
5660 * @phba: pointer to lpfc hba data structure.
5661 *
5662 * This routine is invoked to allocate a single 4KB memory region to
5663 * support rpis and stores them in the phba. This single region
5664 * provides support for up to 64 rpis. The region is used globally
5665 * by the device.
5666 *
5667 * Returns:
5668 * A valid rpi hdr on success.
5669 * A NULL pointer on any failure.
5670 **/
5671struct lpfc_rpi_hdr *
5672lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
5673{
5674 uint16_t rpi_limit, curr_rpi_range;
5675 struct lpfc_dmabuf *dmabuf;
5676 struct lpfc_rpi_hdr *rpi_hdr;
9589b062 5677 uint32_t rpi_count;
da0436e9 5678
6d368e53
JS		 5679 /*
5680 * If the SLI4 port supports extents, posting the rpi header isn't
5681 * required. Set the expected maximum count and let the actual value
5682 * get set when extents are fully allocated.
5683 */
5684 if (!phba->sli4_hba.rpi_hdrs_in_use)
5685 return NULL;
5686 if (phba->sli4_hba.extents_in_use)
5687 return NULL;
5688
5689 /* The limit on the logical index is just the max_rpi count. */
da0436e9 5690 rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base +
6d368e53 5691 phba->sli4_hba.max_cfg_param.max_rpi - 1;
da0436e9
JS		 5692
5693 spin_lock_irq(&phba->hbalock);
6d368e53
JS		 5694 /*
5695 * Establish the starting RPI in this header block. The starting
5696 * rpi is normalized to a zero base because the physical rpi is
5697 * port based.
5698 */
97f2ecf1 5699 curr_rpi_range = phba->sli4_hba.next_rpi;
da0436e9
JS		 5700 spin_unlock_irq(&phba->hbalock);
5701
5702 /*
5703 * The port has a limited number of rpis. The increment here
5704 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
5705 * and to allow the full max_rpi range per port.
5706 */
5707 if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit)
9589b062
JS		 5708 rpi_count = rpi_limit - curr_rpi_range;
5709 else
5710 rpi_count = LPFC_RPI_HDR_COUNT;
da0436e9 5711
6d368e53
JS		 5712 if (!rpi_count)
5713 return NULL;
da0436e9
JS		 5714 /*
5715 * First allocate the protocol header region for the port. The
5716 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
5717 */
5718 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
5719 if (!dmabuf)
5720 return NULL;
5721
5722 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
5723 LPFC_HDR_TEMPLATE_SIZE,
5724 &dmabuf->phys,
5725 GFP_KERNEL);
5726 if (!dmabuf->virt) {
5727 rpi_hdr = NULL;
5728 goto err_free_dmabuf;
5729 }
5730
5731 memset(dmabuf->virt, 0, LPFC_HDR_TEMPLATE_SIZE);
5732 if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) {
5733 rpi_hdr = NULL;
5734 goto err_free_coherent;
5735 }
5736
5737 /* Save the rpi header data for cleanup later. */
5738 rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL);
5739 if (!rpi_hdr)
5740 goto err_free_coherent;
5741
5742 rpi_hdr->dmabuf = dmabuf;
5743 rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE;
5744 rpi_hdr->page_count = 1;
5745 spin_lock_irq(&phba->hbalock);
6d368e53
JS		 5746
5747 /* The rpi_hdr stores the logical index only. */
5748 rpi_hdr->start_rpi = curr_rpi_range;
da0436e9
JS		 5749 list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list);
5750
5751 /*
6d368e53
JS		 5752 * The next_rpi stores the next logical module-64 rpi value used
5753 * to post physical rpis in subsequent rpi postings.
da0436e9 5754 */
9589b062 5755 phba->sli4_hba.next_rpi += rpi_count;
da0436e9
JS		 5756 spin_unlock_irq(&phba->hbalock);
5757 return rpi_hdr;
5758
5759 err_free_coherent:
5760 dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE,
5761 dmabuf->virt, dmabuf->phys);
5762 err_free_dmabuf:
5763 kfree(dmabuf);
5764 return NULL;
5765}
5766
5767/**
5768 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
5769 * @phba: pointer to lpfc hba data structure.
5770 *
5771 * This routine is invoked to remove all memory resources allocated
6d368e53
JS		 5772 * to support rpis for SLI4 ports not supporting extents. This routine
5773 * presumes the caller has released all rpis consumed by fabric or port
5774 * logins and is prepared to have the header pages removed.
da0436e9
JS		 5775 **/
5776void
5777lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba)
5778{
5779 struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr;
5780
6d368e53
JS		 5781 if (!phba->sli4_hba.rpi_hdrs_in_use)
5782 goto exit;
5783
da0436e9
JS		 5784 list_for_each_entry_safe(rpi_hdr, next_rpi_hdr,
5785 &phba->sli4_hba.lpfc_rpi_hdr_list, list) {
5786 list_del(&rpi_hdr->list);
5787 dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len,
5788 rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys);
5789 kfree(rpi_hdr->dmabuf);
5790 kfree(rpi_hdr);
5791 }
6d368e53
JS		 5792 exit:
5793 /* There are no rpis available to the port now. */
5794 phba->sli4_hba.next_rpi = 0;
da0436e9
JS		 5795}
5796
5797/**
5798 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
5799 * @pdev: pointer to pci device data structure.
5800 *
5801 * This routine is invoked to allocate the driver hba data structure for an
5802 * HBA device. If the allocation is successful, the phba reference to the
5803 * PCI device data structure is set.
5804 *
5805 * Return codes
af901ca1 5806 * pointer to @phba - successful
da0436e9
JS		 5807 * NULL - error
5808 **/
5809static struct lpfc_hba *
5810lpfc_hba_alloc(struct pci_dev *pdev)
5811{
5812 struct lpfc_hba *phba;
5813
5814 /* Allocate memory for HBA structure */
5815 phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL);
5816 if (!phba) {
e34ccdfe 5817 dev_err(&pdev->dev, "failed to allocate hba struct\n");
da0436e9
JS		 5818 return NULL;
5819 }
5820
5821 /* Set reference to PCI device in HBA structure */
5822 phba->pcidev = pdev;
5823
5824 /* Assign an unused board number */
5825 phba->brd_no = lpfc_get_instance();
5826 if (phba->brd_no < 0) {
5827 kfree(phba);
5828 return NULL;
5829 }
5830
4fede78f 5831 spin_lock_init(&phba->ct_ev_lock);
f1c3b0fc
JS		 5832 INIT_LIST_HEAD(&phba->ct_ev_waiters);
5833
da0436e9
JS		 5834 return phba;
5835}
5836
5837/**
5838 * lpfc_hba_free - Free driver hba data structure with a device.
5839 * @phba: pointer to lpfc hba data structure.
5840 *
5841 * This routine is invoked to free the driver hba data structure with an
5842 * HBA device.
5843 **/
5844static void
5845lpfc_hba_free(struct lpfc_hba *phba)
5846{
5847 /* Release the driver assigned board number */
5848 idr_remove(&lpfc_hba_index, phba->brd_no);
5849
2a76a283
JS		 5850 /* Free memory allocated with sli rings */
5851 kfree(phba->sli.ring);
5852 phba->sli.ring = NULL;
5853
da0436e9
JS		 5854 kfree(phba);
5855 return;
5856}
5857
5858/**
5859 * lpfc_create_shost - Create hba physical port with associated scsi host.
5860 * @phba: pointer to lpfc hba data structure.
5861 *
5862 * This routine is invoked to create HBA physical port and associate a SCSI
5863 * host with it.
5864 *
5865 * Return codes
af901ca1 5866 * 0 - successful
da0436e9
JS		 5867 * other values - error
5868 **/
5869static int
5870lpfc_create_shost(struct lpfc_hba *phba)
5871{
5872 struct lpfc_vport *vport;
5873 struct Scsi_Host *shost;
5874
5875 /* Initialize HBA FC structure */
5876 phba->fc_edtov = FF_DEF_EDTOV;
5877 phba->fc_ratov = FF_DEF_RATOV;
5878 phba->fc_altov = FF_DEF_ALTOV;
5879 phba->fc_arbtov = FF_DEF_ARBTOV;
5880
d7c47992 5881 atomic_set(&phba->sdev_cnt, 0);
da0436e9
JS		 5882 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
5883 if (!vport)
5884 return -ENODEV;
5885
5886 shost = lpfc_shost_from_vport(vport);
5887 phba->pport = vport;
5888 lpfc_debugfs_initialize(vport);
5889 /* Put reference to SCSI host to driver's device private data */
5890 pci_set_drvdata(phba->pcidev, shost);
2e0fef85 5891
3772a991
JS		 5892 return 0;
5893}
db2378e0 5894
3772a991
JS		 5895/**
5896 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
5897 * @phba: pointer to lpfc hba data structure.
5898 *
5899 * This routine is invoked to destroy HBA physical port and the associated
5900 * SCSI host.
5901 **/
5902static void
5903lpfc_destroy_shost(struct lpfc_hba *phba)
5904{
5905 struct lpfc_vport *vport = phba->pport;
5906
5907 /* Destroy physical port that associated with the SCSI host */
5908 destroy_port(vport);
5909
5910 return;
5911}
5912
5913/**
5914 * lpfc_setup_bg - Setup Block guard structures and debug areas.
5915 * @phba: pointer to lpfc hba data structure.
5916 * @shost: the shost to be used to detect Block guard settings.
5917 *
5918 * This routine sets up the local Block guard protocol settings for @shost.
5919 * This routine also allocates memory for debugging bg buffers.
5920 **/
5921static void
5922lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost)
5923{
bbeb79b9
JS		 5924 uint32_t old_mask;
5925 uint32_t old_guard;
5926
3772a991
JS		 5927 int pagecnt = 10;
5928 if (lpfc_prot_mask && lpfc_prot_guard) {
5929 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5930 "1478 Registering BlockGuard with the "
5931 "SCSI layer\n");
bbeb79b9
JS		 5932
5933 old_mask = lpfc_prot_mask;
5934 old_guard = lpfc_prot_guard;
5935
5936 /* Only allow supported values */
5937 lpfc_prot_mask &= (SHOST_DIF_TYPE1_PROTECTION |
5938 SHOST_DIX_TYPE0_PROTECTION |
5939 SHOST_DIX_TYPE1_PROTECTION);
5940 lpfc_prot_guard &= (SHOST_DIX_GUARD_IP | SHOST_DIX_GUARD_CRC);
5941
5942 /* DIF Type 1 protection for profiles AST1/C1 is end to end */
5943 if (lpfc_prot_mask == SHOST_DIX_TYPE1_PROTECTION)
5944 lpfc_prot_mask |= SHOST_DIF_TYPE1_PROTECTION;
5945
5946 if (lpfc_prot_mask && lpfc_prot_guard) {
5947 if ((old_mask != lpfc_prot_mask) ||
5948 (old_guard != lpfc_prot_guard))
5949 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5950 "1475 Registering BlockGuard with the "
5951 "SCSI layer: mask %d guard %d\n",
5952 lpfc_prot_mask, lpfc_prot_guard);
5953
5954 scsi_host_set_prot(shost, lpfc_prot_mask);
5955 scsi_host_set_guard(shost, lpfc_prot_guard);
5956 } else
5957 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5958 "1479 Not Registering BlockGuard with the SCSI "
5959 "layer, Bad protection parameters: %d %d\n",
5960 old_mask, old_guard);
3772a991 5961 }
bbeb79b9 5962
3772a991
JS		 5963 if (!_dump_buf_data) {
5964 while (pagecnt) {
5965 spin_lock_init(&_dump_buf_lock);
5966 _dump_buf_data =
5967 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
5968 if (_dump_buf_data) {
6a9c52cf
JS		 5969 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5970 "9043 BLKGRD: allocated %d pages for "
3772a991
JS		 5971 "_dump_buf_data at 0x%p\n",
5972 (1 << pagecnt), _dump_buf_data);
5973 _dump_buf_data_order = pagecnt;
5974 memset(_dump_buf_data, 0,
5975 ((1 << PAGE_SHIFT) << pagecnt));
5976 break;
5977 } else
5978 --pagecnt;
5979 }
5980 if (!_dump_buf_data_order)
6a9c52cf
JS		 5981 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5982 "9044 BLKGRD: ERROR unable to allocate "
3772a991
JS		 5983 "memory for hexdump\n");
5984 } else
6a9c52cf
JS		 5985 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5986 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
3772a991
JS		 5987 "\n", _dump_buf_data);
5988 if (!_dump_buf_dif) {
5989 while (pagecnt) {
5990 _dump_buf_dif =
5991 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
5992 if (_dump_buf_dif) {
6a9c52cf
JS		 5993 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5994 "9046 BLKGRD: allocated %d pages for "
3772a991
JS		 5995 "_dump_buf_dif at 0x%p\n",
5996 (1 << pagecnt), _dump_buf_dif);
5997 _dump_buf_dif_order = pagecnt;
5998 memset(_dump_buf_dif, 0,
5999 ((1 << PAGE_SHIFT) << pagecnt));
6000 break;
6001 } else
6002 --pagecnt;
6003 }
6004 if (!_dump_buf_dif_order)
6a9c52cf
JS		 6005 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
6006 "9047 BLKGRD: ERROR unable to allocate "
3772a991
JS		 6007 "memory for hexdump\n");
6008 } else
6a9c52cf
JS		 6009 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
6010 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
3772a991
JS		 6011 _dump_buf_dif);
6012}
6013
6014/**
6015 * lpfc_post_init_setup - Perform necessary device post initialization setup.
6016 * @phba: pointer to lpfc hba data structure.
6017 *
6018 * This routine is invoked to perform all the necessary post initialization
6019 * setup for the device.
6020 **/
6021static void
6022lpfc_post_init_setup(struct lpfc_hba *phba)
6023{
6024 struct Scsi_Host *shost;
6025 struct lpfc_adapter_event_header adapter_event;
6026
6027 /* Get the default values for Model Name and Description */
6028 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
6029
6030 /*
6031 * hba setup may have changed the hba_queue_depth so we need to
6032 * adjust the value of can_queue.
6033 */
6034 shost = pci_get_drvdata(phba->pcidev);
6035 shost->can_queue = phba->cfg_hba_queue_depth - 10;
6036 if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
6037 lpfc_setup_bg(phba, shost);
6038
6039 lpfc_host_attrib_init(shost);
6040
6041 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
6042 spin_lock_irq(shost->host_lock);
6043 lpfc_poll_start_timer(phba);
6044 spin_unlock_irq(shost->host_lock);
6045 }
6046
6047 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6048 "0428 Perform SCSI scan\n");
6049 /* Send board arrival event to upper layer */
6050 adapter_event.event_type = FC_REG_ADAPTER_EVENT;
6051 adapter_event.subcategory = LPFC_EVENT_ARRIVAL;
6052 fc_host_post_vendor_event(shost, fc_get_event_number(),
6053 sizeof(adapter_event),
6054 (char *) &adapter_event,
6055 LPFC_NL_VENDOR_ID);
6056 return;
6057}
6058
6059/**
6060 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
6061 * @phba: pointer to lpfc hba data structure.
6062 *
6063 * This routine is invoked to set up the PCI device memory space for device
6064 * with SLI-3 interface spec.
6065 *
6066 * Return codes
af901ca1 6067 * 0 - successful
3772a991
JS		 6068 * other values - error
6069 **/
6070static int
6071lpfc_sli_pci_mem_setup(struct lpfc_hba *phba)
6072{
6073 struct pci_dev *pdev;
6074 unsigned long bar0map_len, bar2map_len;
6075 int i, hbq_count;
6076 void *ptr;
6077 int error = -ENODEV;
6078
6079 /* Obtain PCI device reference */
6080 if (!phba->pcidev)
6081 return error;
6082 else
6083 pdev = phba->pcidev;
6084
6085 /* Set the device DMA mask size */
8e68597d
MR		 6086 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0
6087 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) {
6088 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0
6089 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) {
3772a991 6090 return error;
8e68597d
MR		 6091 }
6092 }
3772a991
JS		 6093
6094 /* Get the bus address of Bar0 and Bar2 and the number of bytes
6095 * required by each mapping.
6096 */
6097 phba->pci_bar0_map = pci_resource_start(pdev, 0);
6098 bar0map_len = pci_resource_len(pdev, 0);
6099
6100 phba->pci_bar2_map = pci_resource_start(pdev, 2);
6101 bar2map_len = pci_resource_len(pdev, 2);
6102
6103 /* Map HBA SLIM to a kernel virtual address. */
6104 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
6105 if (!phba->slim_memmap_p) {
6106 dev_printk(KERN_ERR, &pdev->dev,
6107 "ioremap failed for SLIM memory.\n");
6108 goto out;
6109 }
6110
6111 /* Map HBA Control Registers to a kernel virtual address. */
6112 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
6113 if (!phba->ctrl_regs_memmap_p) {
6114 dev_printk(KERN_ERR, &pdev->dev,
6115 "ioremap failed for HBA control registers.\n");
6116 goto out_iounmap_slim;
6117 }
6118
6119 /* Allocate memory for SLI-2 structures */
6120 phba->slim2p.virt = dma_alloc_coherent(&pdev->dev,
6121 SLI2_SLIM_SIZE,
6122 &phba->slim2p.phys,
6123 GFP_KERNEL);
6124 if (!phba->slim2p.virt)
6125 goto out_iounmap;
6126
6127 memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE);
6128 phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx);
7a470277
JS		 6129 phba->mbox_ext = (phba->slim2p.virt +
6130 offsetof(struct lpfc_sli2_slim, mbx_ext_words));
3772a991
JS		 6131 phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb));
6132 phba->IOCBs = (phba->slim2p.virt +
6133 offsetof(struct lpfc_sli2_slim, IOCBs));
6134
6135 phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev,
6136 lpfc_sli_hbq_size(),
6137 &phba->hbqslimp.phys,
6138 GFP_KERNEL);
6139 if (!phba->hbqslimp.virt)
6140 goto out_free_slim;
6141
6142 hbq_count = lpfc_sli_hbq_count();
6143 ptr = phba->hbqslimp.virt;
6144 for (i = 0; i < hbq_count; ++i) {
6145 phba->hbqs[i].hbq_virt = ptr;
6146 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
6147 ptr += (lpfc_hbq_defs[i]->entry_count *
6148 sizeof(struct lpfc_hbq_entry));
6149 }
6150 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
6151 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
6152
6153 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
6154
6155 INIT_LIST_HEAD(&phba->rb_pend_list);
6156
6157 phba->MBslimaddr = phba->slim_memmap_p;
6158 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
6159 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
6160 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
6161 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
6162
6163 return 0;
6164
6165out_free_slim:
6166 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
6167 phba->slim2p.virt, phba->slim2p.phys);
6168out_iounmap:
6169 iounmap(phba->ctrl_regs_memmap_p);
6170out_iounmap_slim:
6171 iounmap(phba->slim_memmap_p);
6172out:
6173 return error;
6174}
6175
6176/**
6177 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
6178 * @phba: pointer to lpfc hba data structure.
6179 *
6180 * This routine is invoked to unset the PCI device memory space for device
6181 * with SLI-3 interface spec.
6182 **/
6183static void
6184lpfc_sli_pci_mem_unset(struct lpfc_hba *phba)
6185{
6186 struct pci_dev *pdev;
6187
6188 /* Obtain PCI device reference */
6189 if (!phba->pcidev)
6190 return;
6191 else
6192 pdev = phba->pcidev;
6193
6194 /* Free coherent DMA memory allocated */
6195 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
6196 phba->hbqslimp.virt, phba->hbqslimp.phys);
6197 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
6198 phba->slim2p.virt, phba->slim2p.phys);
6199
6200 /* I/O memory unmap */
6201 iounmap(phba->ctrl_regs_memmap_p);
6202 iounmap(phba->slim_memmap_p);
6203
6204 return;
6205}
6206
6207/**
da0436e9 6208 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
3772a991
JS		 6209 * @phba: pointer to lpfc hba data structure.
6210 *
da0436e9
JS		 6211 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
6212 * done and check status.
3772a991 6213 *
da0436e9 6214 * Return 0 if successful, otherwise -ENODEV.
3772a991 6215 **/
da0436e9
JS		 6216int
6217lpfc_sli4_post_status_check(struct lpfc_hba *phba)
3772a991 6218{
2fcee4bf
JS		 6219 struct lpfc_register portsmphr_reg, uerrlo_reg, uerrhi_reg;
6220 struct lpfc_register reg_data;
6221 int i, port_error = 0;
6222 uint32_t if_type;
3772a991 6223
9940b97b
JS		 6224 memset(&portsmphr_reg, 0, sizeof(portsmphr_reg));
6225 memset(&reg_data, 0, sizeof(reg_data));
2fcee4bf 6226 if (!phba->sli4_hba.PSMPHRregaddr)
da0436e9 6227 return -ENODEV;
3772a991 6228
da0436e9
JS		 6229 /* Wait up to 30 seconds for the SLI Port POST done and ready */
6230 for (i = 0; i < 3000; i++) {
9940b97b
JS		 6231 if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr,
6232 &portsmphr_reg.word0) ||
6233 (bf_get(lpfc_port_smphr_perr, &portsmphr_reg))) {
2fcee4bf 6234 /* Port has a fatal POST error, break out */
da0436e9
JS		 6235 port_error = -ENODEV;
6236 break;
6237 }
2fcee4bf
JS		 6238 if (LPFC_POST_STAGE_PORT_READY ==
6239 bf_get(lpfc_port_smphr_port_status, &portsmphr_reg))
da0436e9 6240 break;
da0436e9 6241 msleep(10);
3772a991
JS		 6242 }
6243
2fcee4bf
JS		 6244 /*
6245 * If there was a port error during POST, then don't proceed with
6246 * other register reads as the data may not be valid. Just exit.
6247 */
6248 if (port_error) {
da0436e9 6249 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2fcee4bf
JS		 6250 "1408 Port Failed POST - portsmphr=0x%x, "
6251 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
6252 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
6253 portsmphr_reg.word0,
6254 bf_get(lpfc_port_smphr_perr, &portsmphr_reg),
6255 bf_get(lpfc_port_smphr_sfi, &portsmphr_reg),
6256 bf_get(lpfc_port_smphr_nip, &portsmphr_reg),
6257 bf_get(lpfc_port_smphr_ipc, &portsmphr_reg),
6258 bf_get(lpfc_port_smphr_scr1, &portsmphr_reg),
6259 bf_get(lpfc_port_smphr_scr2, &portsmphr_reg),
6260 bf_get(lpfc_port_smphr_host_scratch, &portsmphr_reg),
6261 bf_get(lpfc_port_smphr_port_status, &portsmphr_reg));
6262 } else {
28baac74 6263 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2fcee4bf
JS		 6264 "2534 Device Info: SLIFamily=0x%x, "
6265 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
6266 "SLIHint_2=0x%x, FT=0x%x\n",
28baac74
JS		 6267 bf_get(lpfc_sli_intf_sli_family,
6268 &phba->sli4_hba.sli_intf),
6269 bf_get(lpfc_sli_intf_slirev,
6270 &phba->sli4_hba.sli_intf),
085c647c
JS		 6271 bf_get(lpfc_sli_intf_if_type,
6272 &phba->sli4_hba.sli_intf),
6273 bf_get(lpfc_sli_intf_sli_hint1,
28baac74 6274 &phba->sli4_hba.sli_intf),
085c647c
JS		 6275 bf_get(lpfc_sli_intf_sli_hint2,
6276 &phba->sli4_hba.sli_intf),
6277 bf_get(lpfc_sli_intf_func_type,
28baac74 6278 &phba->sli4_hba.sli_intf));
2fcee4bf
JS		 6279 /*
6280 * Check for other Port errors during the initialization
6281 * process. Fail the load if the port did not come up
6282 * correctly.
6283 */
6284 if_type = bf_get(lpfc_sli_intf_if_type,
6285 &phba->sli4_hba.sli_intf);
6286 switch (if_type) {
6287 case LPFC_SLI_INTF_IF_TYPE_0:
6288 phba->sli4_hba.ue_mask_lo =
6289 readl(phba->sli4_hba.u.if_type0.UEMASKLOregaddr);
6290 phba->sli4_hba.ue_mask_hi =
6291 readl(phba->sli4_hba.u.if_type0.UEMASKHIregaddr);
6292 uerrlo_reg.word0 =
6293 readl(phba->sli4_hba.u.if_type0.UERRLOregaddr);
6294 uerrhi_reg.word0 =
6295 readl(phba->sli4_hba.u.if_type0.UERRHIregaddr);
6296 if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) ||
6297 (~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) {
6298 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6299 "1422 Unrecoverable Error "
6300 "Detected during POST "
6301 "uerr_lo_reg=0x%x, "
6302 "uerr_hi_reg=0x%x, "
6303 "ue_mask_lo_reg=0x%x, "
6304 "ue_mask_hi_reg=0x%x\n",
6305 uerrlo_reg.word0,
6306 uerrhi_reg.word0,
6307 phba->sli4_hba.ue_mask_lo,
6308 phba->sli4_hba.ue_mask_hi);
6309 port_error = -ENODEV;
6310 }
6311 break;
6312 case LPFC_SLI_INTF_IF_TYPE_2:
6313 /* Final checks. The port status should be clean. */
9940b97b
JS		 6314 if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
6315 &reg_data.word0) ||
0558056c
JS		 6316 (bf_get(lpfc_sliport_status_err, &reg_data) &&
6317 !bf_get(lpfc_sliport_status_rn, &reg_data))) {
2fcee4bf
JS		 6318 phba->work_status[0] =
6319 readl(phba->sli4_hba.u.if_type2.
6320 ERR1regaddr);
6321 phba->work_status[1] =
6322 readl(phba->sli4_hba.u.if_type2.
6323 ERR2regaddr);
6324 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8fcb8acd
JS		 6325 "2888 Unrecoverable port error "
6326 "following POST: port status reg "
6327 "0x%x, port_smphr reg 0x%x, "
2fcee4bf
JS		 6328 "error 1=0x%x, error 2=0x%x\n",
6329 reg_data.word0,
6330 portsmphr_reg.word0,
6331 phba->work_status[0],
6332 phba->work_status[1]);
6333 port_error = -ENODEV;
6334 }
6335 break;
6336 case LPFC_SLI_INTF_IF_TYPE_1:
6337 default:
6338 break;
6339 }
28baac74 6340 }
da0436e9
JS		 6341 return port_error;
6342}
3772a991 6343
da0436e9
JS		 6344/**
6345 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
6346 * @phba: pointer to lpfc hba data structure.
2fcee4bf 6347 * @if_type: The SLI4 interface type getting configured.
da0436e9
JS		 6348 *
6349 * This routine is invoked to set up SLI4 BAR0 PCI config space register
6350 * memory map.
6351 **/
6352static void
2fcee4bf
JS		 6353lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type)
6354{
6355 switch (if_type) {
6356 case LPFC_SLI_INTF_IF_TYPE_0:
6357 phba->sli4_hba.u.if_type0.UERRLOregaddr =
6358 phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_LO;
6359 phba->sli4_hba.u.if_type0.UERRHIregaddr =
6360 phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_HI;
6361 phba->sli4_hba.u.if_type0.UEMASKLOregaddr =
6362 phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_LO;
6363 phba->sli4_hba.u.if_type0.UEMASKHIregaddr =
6364 phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_HI;
6365 phba->sli4_hba.SLIINTFregaddr =
6366 phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
6367 break;
6368 case LPFC_SLI_INTF_IF_TYPE_2:
6369 phba->sli4_hba.u.if_type2.ERR1regaddr =
88a2cfbb
JS		 6370 phba->sli4_hba.conf_regs_memmap_p +
6371 LPFC_CTL_PORT_ER1_OFFSET;
2fcee4bf 6372 phba->sli4_hba.u.if_type2.ERR2regaddr =
88a2cfbb
JS		 6373 phba->sli4_hba.conf_regs_memmap_p +
6374 LPFC_CTL_PORT_ER2_OFFSET;
2fcee4bf 6375 phba->sli4_hba.u.if_type2.CTRLregaddr =
88a2cfbb
JS		 6376 phba->sli4_hba.conf_regs_memmap_p +
6377 LPFC_CTL_PORT_CTL_OFFSET;
2fcee4bf 6378 phba->sli4_hba.u.if_type2.STATUSregaddr =
88a2cfbb
JS		 6379 phba->sli4_hba.conf_regs_memmap_p +
6380 LPFC_CTL_PORT_STA_OFFSET;
2fcee4bf
JS		 6381 phba->sli4_hba.SLIINTFregaddr =
6382 phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
6383 phba->sli4_hba.PSMPHRregaddr =
88a2cfbb
JS		 6384 phba->sli4_hba.conf_regs_memmap_p +
6385 LPFC_CTL_PORT_SEM_OFFSET;
2fcee4bf 6386 phba->sli4_hba.RQDBregaddr =
962bc51b
JS		 6387 phba->sli4_hba.conf_regs_memmap_p +
6388 LPFC_ULP0_RQ_DOORBELL;
2fcee4bf 6389 phba->sli4_hba.WQDBregaddr =
962bc51b
JS		 6390 phba->sli4_hba.conf_regs_memmap_p +
6391 LPFC_ULP0_WQ_DOORBELL;
2fcee4bf
JS		 6392 phba->sli4_hba.EQCQDBregaddr =
6393 phba->sli4_hba.conf_regs_memmap_p + LPFC_EQCQ_DOORBELL;
6394 phba->sli4_hba.MQDBregaddr =
6395 phba->sli4_hba.conf_regs_memmap_p + LPFC_MQ_DOORBELL;
6396 phba->sli4_hba.BMBXregaddr =
6397 phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX;
6398 break;
6399 case LPFC_SLI_INTF_IF_TYPE_1:
6400 default:
6401 dev_printk(KERN_ERR, &phba->pcidev->dev,
6402 "FATAL - unsupported SLI4 interface type - %d\n",
6403 if_type);
6404 break;
6405 }
da0436e9 6406}
3772a991 6407
da0436e9
JS		 6408/**
6409 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
6410 * @phba: pointer to lpfc hba data structure.
6411 *
6412 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
6413 * memory map.
6414 **/
6415static void
6416lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba)
6417{
2fcee4bf
JS		 6418 phba->sli4_hba.PSMPHRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
6419 LPFC_SLIPORT_IF0_SMPHR;
da0436e9 6420 phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6421 LPFC_HST_ISR0;
da0436e9 6422 phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6423 LPFC_HST_IMR0;
da0436e9 6424 phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6425 LPFC_HST_ISCR0;
3772a991
JS		 6426}
6427
6428/**
da0436e9 6429 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
3772a991 6430 * @phba: pointer to lpfc hba data structure.
da0436e9 6431 * @vf: virtual function number
3772a991 6432 *
da0436e9
JS		 6433 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
6434 * based on the given viftual function number, @vf.
6435 *
6436 * Return 0 if successful, otherwise -ENODEV.
3772a991 6437 **/
da0436e9
JS		 6438static int
6439lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf)
3772a991 6440{
da0436e9
JS		 6441 if (vf > LPFC_VIR_FUNC_MAX)
6442 return -ENODEV;
3772a991 6443
da0436e9 6444 phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
962bc51b
JS		 6445 vf * LPFC_VFR_PAGE_SIZE +
6446 LPFC_ULP0_RQ_DOORBELL);
da0436e9 6447 phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
962bc51b
JS		 6448 vf * LPFC_VFR_PAGE_SIZE +
6449 LPFC_ULP0_WQ_DOORBELL);
da0436e9
JS		 6450 phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6451 vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL);
6452 phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6453 vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL);
6454 phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6455 vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX);
6456 return 0;
3772a991
JS		 6457}
6458
6459/**
da0436e9 6460 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
3772a991
JS		 6461 * @phba: pointer to lpfc hba data structure.
6462 *
da0436e9
JS		 6463 * This routine is invoked to create the bootstrap mailbox
6464 * region consistent with the SLI-4 interface spec. This
6465 * routine allocates all memory necessary to communicate
6466 * mailbox commands to the port and sets up all alignment
6467 * needs. No locks are expected to be held when calling
6468 * this routine.
3772a991
JS		 6469 *
6470 * Return codes
af901ca1 6471 * 0 - successful
d439d286 6472 * -ENOMEM - could not allocated memory.
da0436e9 6473 **/
3772a991 6474static int
da0436e9 6475lpfc_create_bootstrap_mbox(struct lpfc_hba *phba)
3772a991 6476{
da0436e9
JS		 6477 uint32_t bmbx_size;
6478 struct lpfc_dmabuf *dmabuf;
6479 struct dma_address *dma_address;
6480 uint32_t pa_addr;
6481 uint64_t phys_addr;
6482
6483 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
6484 if (!dmabuf)
6485 return -ENOMEM;
3772a991 6486
da0436e9
JS		 6487 /*
6488 * The bootstrap mailbox region is comprised of 2 parts
6489 * plus an alignment restriction of 16 bytes.
6490 */
6491 bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1);
6492 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
6493 bmbx_size,
6494 &dmabuf->phys,
6495 GFP_KERNEL);
6496 if (!dmabuf->virt) {
6497 kfree(dmabuf);
6498 return -ENOMEM;
3772a991 6499 }
da0436e9 6500 memset(dmabuf->virt, 0, bmbx_size);
3772a991 6501
da0436e9
JS		 6502 /*
6503 * Initialize the bootstrap mailbox pointers now so that the register
6504 * operations are simple later. The mailbox dma address is required
6505 * to be 16-byte aligned. Also align the virtual memory as each
6506 * maibox is copied into the bmbx mailbox region before issuing the
6507 * command to the port.
6508 */
6509 phba->sli4_hba.bmbx.dmabuf = dmabuf;
6510 phba->sli4_hba.bmbx.bmbx_size = bmbx_size;
6511
6512 phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt,
6513 LPFC_ALIGN_16_BYTE);
6514 phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys,
6515 LPFC_ALIGN_16_BYTE);
6516
6517 /*
6518 * Set the high and low physical addresses now. The SLI4 alignment
6519 * requirement is 16 bytes and the mailbox is posted to the port
6520 * as two 30-bit addresses. The other data is a bit marking whether
6521 * the 30-bit address is the high or low address.
6522 * Upcast bmbx aphys to 64bits so shift instruction compiles
6523 * clean on 32 bit machines.
6524 */
6525 dma_address = &phba->sli4_hba.bmbx.dma_address;
6526 phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys;
6527 pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff);
6528 dma_address->addr_hi = (uint32_t) ((pa_addr << 2) |
6529 LPFC_BMBX_BIT1_ADDR_HI);
6530
6531 pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff);
6532 dma_address->addr_lo = (uint32_t) ((pa_addr << 2) |
6533 LPFC_BMBX_BIT1_ADDR_LO);
6534 return 0;
3772a991
JS		 6535}
6536
6537/**
da0436e9 6538 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
3772a991
JS		 6539 * @phba: pointer to lpfc hba data structure.
6540 *
da0436e9
JS		 6541 * This routine is invoked to teardown the bootstrap mailbox
6542 * region and release all host resources. This routine requires
6543 * the caller to ensure all mailbox commands recovered, no
6544 * additional mailbox comands are sent, and interrupts are disabled
6545 * before calling this routine.
6546 *
6547 **/
3772a991 6548static void
da0436e9 6549lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba)
3772a991 6550{
da0436e9
JS		 6551 dma_free_coherent(&phba->pcidev->dev,
6552 phba->sli4_hba.bmbx.bmbx_size,
6553 phba->sli4_hba.bmbx.dmabuf->virt,
6554 phba->sli4_hba.bmbx.dmabuf->phys);
6555
6556 kfree(phba->sli4_hba.bmbx.dmabuf);
6557 memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx));
3772a991
JS		 6558}
6559
6560/**
da0436e9 6561 * lpfc_sli4_read_config - Get the config parameters.
3772a991
JS		 6562 * @phba: pointer to lpfc hba data structure.
6563 *
da0436e9
JS		 6564 * This routine is invoked to read the configuration parameters from the HBA.
6565 * The configuration parameters are used to set the base and maximum values
6566 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
6567 * allocation for the port.
3772a991
JS		 6568 *
6569 * Return codes
af901ca1 6570 * 0 - successful
25985edc 6571 * -ENOMEM - No available memory
d439d286 6572 * -EIO - The mailbox failed to complete successfully.
3772a991 6573 **/
ff78d8f9 6574int
da0436e9 6575lpfc_sli4_read_config(struct lpfc_hba *phba)
3772a991 6576{
da0436e9
JS		 6577 LPFC_MBOXQ_t *pmb;
6578 struct lpfc_mbx_read_config *rd_config;
912e3acd
JS		 6579 union lpfc_sli4_cfg_shdr *shdr;
6580 uint32_t shdr_status, shdr_add_status;
6581 struct lpfc_mbx_get_func_cfg *get_func_cfg;
6582 struct lpfc_rsrc_desc_fcfcoe *desc;
8aa134a8 6583 char *pdesc_0;
912e3acd 6584 uint32_t desc_count;
8aa134a8 6585 int length, i, rc = 0, rc2;
3772a991 6586
da0436e9
JS		 6587 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
6588 if (!pmb) {
6589 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6590 "2011 Unable to allocate memory for issuing "
6591 "SLI_CONFIG_SPECIAL mailbox command\n");
6592 return -ENOMEM;
3772a991
JS		 6593 }
6594
da0436e9 6595 lpfc_read_config(phba, pmb);
3772a991 6596
da0436e9
JS		 6597 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
6598 if (rc != MBX_SUCCESS) {
6599 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6600 "2012 Mailbox failed , mbxCmd x%x "
6601 "READ_CONFIG, mbxStatus x%x\n",
6602 bf_get(lpfc_mqe_command, &pmb->u.mqe),
6603 bf_get(lpfc_mqe_status, &pmb->u.mqe));
6604 rc = -EIO;
6605 } else {
6606 rd_config = &pmb->u.mqe.un.rd_config;
ff78d8f9
JS		 6607 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv, rd_config)) {
6608 phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL;
6609 phba->sli4_hba.lnk_info.lnk_tp =
6610 bf_get(lpfc_mbx_rd_conf_lnk_type, rd_config);
6611 phba->sli4_hba.lnk_info.lnk_no =
6612 bf_get(lpfc_mbx_rd_conf_lnk_numb, rd_config);
6613 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6614 "3081 lnk_type:%d, lnk_numb:%d\n",
6615 phba->sli4_hba.lnk_info.lnk_tp,
6616 phba->sli4_hba.lnk_info.lnk_no);
6617 } else
6618 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
6619 "3082 Mailbox (x%x) returned ldv:x0\n",
6620 bf_get(lpfc_mqe_command, &pmb->u.mqe));
6d368e53
JS		 6621 phba->sli4_hba.extents_in_use =
6622 bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config);
da0436e9
JS		 6623 phba->sli4_hba.max_cfg_param.max_xri =
6624 bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
6625 phba->sli4_hba.max_cfg_param.xri_base =
6626 bf_get(lpfc_mbx_rd_conf_xri_base, rd_config);
6627 phba->sli4_hba.max_cfg_param.max_vpi =
6628 bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
6629 phba->sli4_hba.max_cfg_param.vpi_base =
6630 bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config);
6631 phba->sli4_hba.max_cfg_param.max_rpi =
6632 bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
6633 phba->sli4_hba.max_cfg_param.rpi_base =
6634 bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config);
6635 phba->sli4_hba.max_cfg_param.max_vfi =
6636 bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config);
6637 phba->sli4_hba.max_cfg_param.vfi_base =
6638 bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config);
6639 phba->sli4_hba.max_cfg_param.max_fcfi =
6640 bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config);
da0436e9
JS		 6641 phba->sli4_hba.max_cfg_param.max_eq =
6642 bf_get(lpfc_mbx_rd_conf_eq_count, rd_config);
6643 phba->sli4_hba.max_cfg_param.max_rq =
6644 bf_get(lpfc_mbx_rd_conf_rq_count, rd_config);
6645 phba->sli4_hba.max_cfg_param.max_wq =
6646 bf_get(lpfc_mbx_rd_conf_wq_count, rd_config);
6647 phba->sli4_hba.max_cfg_param.max_cq =
6648 bf_get(lpfc_mbx_rd_conf_cq_count, rd_config);
6649 phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config);
6650 phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base;
6651 phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base;
6652 phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base;
5ffc266e
JS		 6653 phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ?
6654 (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0;
da0436e9
JS		 6655 phba->max_vports = phba->max_vpi;
6656 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6d368e53
JS		 6657 "2003 cfg params Extents? %d "
6658 "XRI(B:%d M:%d), "
da0436e9
JS		 6659 "VPI(B:%d M:%d) "
6660 "VFI(B:%d M:%d) "
6661 "RPI(B:%d M:%d) "
6d368e53
JS		 6662 "FCFI(Count:%d)\n",
6663 phba->sli4_hba.extents_in_use,
da0436e9
JS		 6664 phba->sli4_hba.max_cfg_param.xri_base,
6665 phba->sli4_hba.max_cfg_param.max_xri,
6666 phba->sli4_hba.max_cfg_param.vpi_base,
6667 phba->sli4_hba.max_cfg_param.max_vpi,
6668 phba->sli4_hba.max_cfg_param.vfi_base,
6669 phba->sli4_hba.max_cfg_param.max_vfi,
6670 phba->sli4_hba.max_cfg_param.rpi_base,
6671 phba->sli4_hba.max_cfg_param.max_rpi,
da0436e9 6672 phba->sli4_hba.max_cfg_param.max_fcfi);
3772a991 6673 }
912e3acd
JS		 6674
6675 if (rc)
6676 goto read_cfg_out;
da0436e9
JS		 6677
6678 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
572709e2
JS		 6679 length = phba->sli4_hba.max_cfg_param.max_xri -
6680 lpfc_sli4_get_els_iocb_cnt(phba);
6681 if (phba->cfg_hba_queue_depth > length) {
6682 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6683 "3361 HBA queue depth changed from %d to %d\n",
6684 phba->cfg_hba_queue_depth, length);
6685 phba->cfg_hba_queue_depth = length;
6686 }
912e3acd
JS		 6687
6688 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
6689 LPFC_SLI_INTF_IF_TYPE_2)
6690 goto read_cfg_out;
6691
6692 /* get the pf# and vf# for SLI4 if_type 2 port */
6693 length = (sizeof(struct lpfc_mbx_get_func_cfg) -
6694 sizeof(struct lpfc_sli4_cfg_mhdr));
6695 lpfc_sli4_config(phba, pmb, LPFC_MBOX_SUBSYSTEM_COMMON,
6696 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG,
6697 length, LPFC_SLI4_MBX_EMBED);
6698
8aa134a8 6699 rc2 = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
912e3acd
JS		 6700 shdr = (union lpfc_sli4_cfg_shdr *)
6701 &pmb->u.mqe.un.sli4_config.header.cfg_shdr;
6702 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
6703 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
8aa134a8 6704 if (rc2 || shdr_status || shdr_add_status) {
912e3acd
JS		 6705 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6706 "3026 Mailbox failed , mbxCmd x%x "
6707 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
6708 bf_get(lpfc_mqe_command, &pmb->u.mqe),
6709 bf_get(lpfc_mqe_status, &pmb->u.mqe));
912e3acd
JS		 6710 goto read_cfg_out;
6711 }
6712
6713 /* search for fc_fcoe resrouce descriptor */
6714 get_func_cfg = &pmb->u.mqe.un.get_func_cfg;
6715 desc_count = get_func_cfg->func_cfg.rsrc_desc_count;
6716
8aa134a8
JS		 6717 pdesc_0 = (char *)&get_func_cfg->func_cfg.desc[0];
6718 desc = (struct lpfc_rsrc_desc_fcfcoe *)pdesc_0;
6719 length = bf_get(lpfc_rsrc_desc_fcfcoe_length, desc);
6720 if (length == LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD)
6721 length = LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH;
6722 else if (length != LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH)
6723 goto read_cfg_out;
6724
912e3acd 6725 for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) {
8aa134a8 6726 desc = (struct lpfc_rsrc_desc_fcfcoe *)(pdesc_0 + length * i);
912e3acd 6727 if (LPFC_RSRC_DESC_TYPE_FCFCOE ==
8aa134a8 6728 bf_get(lpfc_rsrc_desc_fcfcoe_type, desc)) {
912e3acd
JS		 6729 phba->sli4_hba.iov.pf_number =
6730 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc);
6731 phba->sli4_hba.iov.vf_number =
6732 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum, desc);
6733 break;
6734 }
6735 }
6736
6737 if (i < LPFC_RSRC_DESC_MAX_NUM)
6738 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6739 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
6740 "vf_number:%d\n", phba->sli4_hba.iov.pf_number,
6741 phba->sli4_hba.iov.vf_number);
8aa134a8 6742 else
912e3acd
JS		 6743 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6744 "3028 GET_FUNCTION_CONFIG: failed to find "
6745 "Resrouce Descriptor:x%x\n",
6746 LPFC_RSRC_DESC_TYPE_FCFCOE);
912e3acd
JS		 6747
6748read_cfg_out:
6749 mempool_free(pmb, phba->mbox_mem_pool);
da0436e9 6750 return rc;
3772a991
JS		 6751}
6752
6753/**
2fcee4bf 6754 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
3772a991
JS		 6755 * @phba: pointer to lpfc hba data structure.
6756 *
2fcee4bf
JS		 6757 * This routine is invoked to setup the port-side endian order when
6758 * the port if_type is 0. This routine has no function for other
6759 * if_types.
da0436e9
JS		 6760 *
6761 * Return codes
af901ca1 6762 * 0 - successful
25985edc 6763 * -ENOMEM - No available memory
d439d286 6764 * -EIO - The mailbox failed to complete successfully.
3772a991 6765 **/
da0436e9
JS		 6766static int
6767lpfc_setup_endian_order(struct lpfc_hba *phba)
3772a991 6768{
da0436e9 6769 LPFC_MBOXQ_t *mboxq;
2fcee4bf 6770 uint32_t if_type, rc = 0;
da0436e9
JS		 6771 uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0,
6772 HOST_ENDIAN_HIGH_WORD1};
3772a991 6773
2fcee4bf
JS		 6774 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
6775 switch (if_type) {
6776 case LPFC_SLI_INTF_IF_TYPE_0:
6777 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
6778 GFP_KERNEL);
6779 if (!mboxq) {
6780 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6781 "0492 Unable to allocate memory for "
6782 "issuing SLI_CONFIG_SPECIAL mailbox "
6783 "command\n");
6784 return -ENOMEM;
6785 }
3772a991 6786
2fcee4bf
JS		 6787 /*
6788 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
6789 * two words to contain special data values and no other data.
6790 */
6791 memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
6792 memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data));
6793 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
6794 if (rc != MBX_SUCCESS) {
6795 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6796 "0493 SLI_CONFIG_SPECIAL mailbox "
6797 "failed with status x%x\n",
6798 rc);
6799 rc = -EIO;
6800 }
6801 mempool_free(mboxq, phba->mbox_mem_pool);
6802 break;
6803 case LPFC_SLI_INTF_IF_TYPE_2:
6804 case LPFC_SLI_INTF_IF_TYPE_1:
6805 default:
6806 break;
da0436e9 6807 }
da0436e9 6808 return rc;
3772a991
JS		 6809}
6810
6811/**
5350d872 6812 * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
3772a991
JS		 6813 * @phba: pointer to lpfc hba data structure.
6814 *
5350d872
JS		 6815 * This routine is invoked to check the user settable queue counts for EQs and
6816 * CQs. after this routine is called the counts will be set to valid values that
6817 * adhere to the constraints of the system's interrupt vectors and the port's
6818 * queue resources.
da0436e9
JS		 6819 *
6820 * Return codes
af901ca1 6821 * 0 - successful
25985edc 6822 * -ENOMEM - No available memory
3772a991 6823 **/
da0436e9 6824static int
5350d872 6825lpfc_sli4_queue_verify(struct lpfc_hba *phba)
3772a991 6826{
67d12733 6827 int cfg_fcp_io_channel;
90695ee0
JS		 6828 uint32_t cpu;
6829 uint32_t i = 0;
3772a991 6830
da0436e9 6831 /*
67d12733 6832 * Sanity check for configured queue parameters against the run-time
da0436e9
JS		 6833 * device parameters
6834 */
3772a991 6835
67d12733
JS		 6836 /* Sanity check on HBA EQ parameters */
6837 cfg_fcp_io_channel = phba->cfg_fcp_io_channel;
6838
7bb03bbf
JS		 6839 /* It doesn't make sense to have more io channels then online CPUs */
6840 for_each_present_cpu(cpu) {
6841 if (cpu_online(cpu))
6842 i++;
90695ee0 6843 }
7bb03bbf 6844 phba->sli4_hba.num_online_cpu = i;
b246de17 6845 phba->sli4_hba.num_present_cpu = lpfc_present_cpu;
7bb03bbf 6846
90695ee0 6847 if (i < cfg_fcp_io_channel) {
82c3e9ba
JS		 6848 lpfc_printf_log(phba,
6849 KERN_ERR, LOG_INIT,
90695ee0 6850 "3188 Reducing IO channels to match number of "
7bb03bbf
JS		 6851 "online CPUs: from %d to %d\n",
6852 cfg_fcp_io_channel, i);
90695ee0
JS		 6853 cfg_fcp_io_channel = i;
6854 }
6855
67d12733
JS		 6856 if (cfg_fcp_io_channel >
6857 phba->sli4_hba.max_cfg_param.max_eq) {
82c3e9ba
JS		 6858 if (phba->sli4_hba.max_cfg_param.max_eq <
6859 LPFC_FCP_IO_CHAN_MIN) {
da0436e9
JS		 6860 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6861 "2574 Not enough EQs (%d) from the "
6862 "pci function for supporting FCP "
6863 "EQs (%d)\n",
6864 phba->sli4_hba.max_cfg_param.max_eq,
67d12733 6865 phba->cfg_fcp_io_channel);
da0436e9
JS		 6866 goto out_error;
6867 }
82c3e9ba
JS		 6868 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6869 "2575 Reducing IO channels to match number of "
6870 "available EQs: from %d to %d\n",
6871 cfg_fcp_io_channel,
6872 phba->sli4_hba.max_cfg_param.max_eq);
6873 cfg_fcp_io_channel = phba->sli4_hba.max_cfg_param.max_eq;
da0436e9 6874 }
67d12733
JS		 6875
6876 /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
6877
da0436e9 6878 /* The actual number of FCP event queues adopted */
67d12733
JS		 6879 phba->cfg_fcp_eq_count = cfg_fcp_io_channel;
6880 phba->cfg_fcp_wq_count = cfg_fcp_io_channel;
6881 phba->cfg_fcp_io_channel = cfg_fcp_io_channel;
3772a991 6882
da0436e9
JS		 6883 /* Get EQ depth from module parameter, fake the default for now */
6884 phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B;
6885 phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT;
3772a991 6886
5350d872
JS		 6887 /* Get CQ depth from module parameter, fake the default for now */
6888 phba->sli4_hba.cq_esize = LPFC_CQE_SIZE;
6889 phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT;
6890
6891 return 0;
6892out_error:
6893 return -ENOMEM;
6894}
6895
6896/**
6897 * lpfc_sli4_queue_create - Create all the SLI4 queues
6898 * @phba: pointer to lpfc hba data structure.
6899 *
6900 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
6901 * operation. For each SLI4 queue type, the parameters such as queue entry
6902 * count (queue depth) shall be taken from the module parameter. For now,
6903 * we just use some constant number as place holder.
6904 *
6905 * Return codes
4907cb7b 6906 * 0 - successful
5350d872
JS		 6907 * -ENOMEM - No availble memory
6908 * -EIO - The mailbox failed to complete successfully.
6909 **/
6910int
6911lpfc_sli4_queue_create(struct lpfc_hba *phba)
6912{
6913 struct lpfc_queue *qdesc;
67d12733 6914 int idx;
5350d872
JS		 6915
6916 /*
67d12733 6917 * Create HBA Record arrays.
5350d872 6918 */
67d12733
JS		 6919 if (!phba->cfg_fcp_io_channel)
6920 return -ERANGE;
5350d872 6921
67d12733
JS		 6922 phba->sli4_hba.mq_esize = LPFC_MQE_SIZE;
6923 phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT;
6924 phba->sli4_hba.wq_esize = LPFC_WQE_SIZE;
6925 phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT;
6926 phba->sli4_hba.rq_esize = LPFC_RQE_SIZE;
6927 phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT;
6928
6929 phba->sli4_hba.hba_eq = kzalloc((sizeof(struct lpfc_queue *) *
6930 phba->cfg_fcp_io_channel), GFP_KERNEL);
6931 if (!phba->sli4_hba.hba_eq) {
6932 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6933 "2576 Failed allocate memory for "
6934 "fast-path EQ record array\n");
6935 goto out_error;
6936 }
6937
6938 phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) *
6939 phba->cfg_fcp_io_channel), GFP_KERNEL);
6940 if (!phba->sli4_hba.fcp_cq) {
da0436e9 6941 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
67d12733
JS		 6942 "2577 Failed allocate memory for fast-path "
6943 "CQ record array\n");
6944 goto out_error;
6945 }
6946
6947 phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) *
6948 phba->cfg_fcp_io_channel), GFP_KERNEL);
6949 if (!phba->sli4_hba.fcp_wq) {
6950 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6951 "2578 Failed allocate memory for fast-path "
6952 "WQ record array\n");
da0436e9
JS		 6953 goto out_error;
6954 }
da0436e9 6955
5350d872 6956 /*
67d12733
JS		 6957 * Since the first EQ can have multiple CQs associated with it,
6958 * this array is used to quickly see if we have a FCP fast-path
6959 * CQ match.
5350d872 6960 */
67d12733
JS		 6961 phba->sli4_hba.fcp_cq_map = kzalloc((sizeof(uint16_t) *
6962 phba->cfg_fcp_io_channel), GFP_KERNEL);
6963 if (!phba->sli4_hba.fcp_cq_map) {
6964 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6965 "2545 Failed allocate memory for fast-path "
6966 "CQ map\n");
6967 goto out_error;
da0436e9 6968 }
67d12733
JS		 6969
6970 /*
6971 * Create HBA Event Queues (EQs). The cfg_fcp_io_channel specifies
6972 * how many EQs to create.
6973 */
6974 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
6975
6976 /* Create EQs */
da0436e9
JS		 6977 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
6978 phba->sli4_hba.eq_ecount);
6979 if (!qdesc) {
6980 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
67d12733
JS		 6981 "0497 Failed allocate EQ (%d)\n", idx);
6982 goto out_error;
da0436e9 6983 }
67d12733
JS		 6984 phba->sli4_hba.hba_eq[idx] = qdesc;
6985
6986 /* Create Fast Path FCP CQs */
6987 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
6988 phba->sli4_hba.cq_ecount);
6989 if (!qdesc) {
6990 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6991 "0499 Failed allocate fast-path FCP "
6992 "CQ (%d)\n", idx);
6993 goto out_error;
6994 }
6995 phba->sli4_hba.fcp_cq[idx] = qdesc;
6996
6997 /* Create Fast Path FCP WQs */
6998 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
6999 phba->sli4_hba.wq_ecount);
7000 if (!qdesc) {
7001 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7002 "0503 Failed allocate fast-path FCP "
7003 "WQ (%d)\n", idx);
7004 goto out_error;
7005 }
7006 phba->sli4_hba.fcp_wq[idx] = qdesc;
da0436e9
JS		 7007 }
7008
67d12733 7009
da0436e9 7010 /*
67d12733 7011 * Create Slow Path Completion Queues (CQs)
da0436e9
JS		 7012 */
7013
da0436e9
JS		 7014 /* Create slow-path Mailbox Command Complete Queue */
7015 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
7016 phba->sli4_hba.cq_ecount);
7017 if (!qdesc) {
7018 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7019 "0500 Failed allocate slow-path mailbox CQ\n");
67d12733 7020 goto out_error;
da0436e9
JS		 7021 }
7022 phba->sli4_hba.mbx_cq = qdesc;
7023
7024 /* Create slow-path ELS Complete Queue */
7025 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
7026 phba->sli4_hba.cq_ecount);
7027 if (!qdesc) {
7028 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7029 "0501 Failed allocate slow-path ELS CQ\n");
67d12733 7030 goto out_error;
da0436e9
JS		 7031 }
7032 phba->sli4_hba.els_cq = qdesc;
7033
da0436e9 7034
5350d872 7035 /*
67d12733 7036 * Create Slow Path Work Queues (WQs)
5350d872 7037 */
da0436e9
JS		 7038
7039 /* Create Mailbox Command Queue */
da0436e9
JS		 7040
7041 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize,
7042 phba->sli4_hba.mq_ecount);
7043 if (!qdesc) {
7044 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7045 "0505 Failed allocate slow-path MQ\n");
67d12733 7046 goto out_error;
da0436e9
JS		 7047 }
7048 phba->sli4_hba.mbx_wq = qdesc;
7049
7050 /*
67d12733 7051 * Create ELS Work Queues
da0436e9 7052 */
da0436e9
JS		 7053
7054 /* Create slow-path ELS Work Queue */
7055 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
7056 phba->sli4_hba.wq_ecount);
7057 if (!qdesc) {
7058 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7059 "0504 Failed allocate slow-path ELS WQ\n");
67d12733 7060 goto out_error;
da0436e9
JS		 7061 }
7062 phba->sli4_hba.els_wq = qdesc;
7063
da0436e9
JS		 7064 /*
7065 * Create Receive Queue (RQ)
7066 */
da0436e9
JS		 7067
7068 /* Create Receive Queue for header */
7069 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
7070 phba->sli4_hba.rq_ecount);
7071 if (!qdesc) {
7072 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7073 "0506 Failed allocate receive HRQ\n");
67d12733 7074 goto out_error;
da0436e9
JS		 7075 }
7076 phba->sli4_hba.hdr_rq = qdesc;
7077
7078 /* Create Receive Queue for data */
7079 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
7080 phba->sli4_hba.rq_ecount);
7081 if (!qdesc) {
7082 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7083 "0507 Failed allocate receive DRQ\n");
67d12733 7084 goto out_error;
da0436e9
JS		 7085 }
7086 phba->sli4_hba.dat_rq = qdesc;
7087
7088 return 0;
7089
da0436e9 7090out_error:
67d12733 7091 lpfc_sli4_queue_destroy(phba);
da0436e9
JS		 7092 return -ENOMEM;
7093}
7094
7095/**
7096 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
7097 * @phba: pointer to lpfc hba data structure.
7098 *
7099 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
7100 * operation.
7101 *
7102 * Return codes
af901ca1 7103 * 0 - successful
25985edc 7104 * -ENOMEM - No available memory
d439d286 7105 * -EIO - The mailbox failed to complete successfully.
da0436e9 7106 **/
5350d872 7107void
da0436e9
JS		 7108lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
7109{
67d12733
JS		 7110 int idx;
7111
7112 if (phba->sli4_hba.hba_eq != NULL) {
7113 /* Release HBA event queue */
7114 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7115 if (phba->sli4_hba.hba_eq[idx] != NULL) {
7116 lpfc_sli4_queue_free(
7117 phba->sli4_hba.hba_eq[idx]);
7118 phba->sli4_hba.hba_eq[idx] = NULL;
7119 }
7120 }
7121 kfree(phba->sli4_hba.hba_eq);
7122 phba->sli4_hba.hba_eq = NULL;
7123 }
7124
7125 if (phba->sli4_hba.fcp_cq != NULL) {
7126 /* Release FCP completion queue */
7127 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7128 if (phba->sli4_hba.fcp_cq[idx] != NULL) {
7129 lpfc_sli4_queue_free(
7130 phba->sli4_hba.fcp_cq[idx]);
7131 phba->sli4_hba.fcp_cq[idx] = NULL;
7132 }
7133 }
7134 kfree(phba->sli4_hba.fcp_cq);
7135 phba->sli4_hba.fcp_cq = NULL;
7136 }
7137
7138 if (phba->sli4_hba.fcp_wq != NULL) {
7139 /* Release FCP work queue */
7140 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7141 if (phba->sli4_hba.fcp_wq[idx] != NULL) {
7142 lpfc_sli4_queue_free(
7143 phba->sli4_hba.fcp_wq[idx]);
7144 phba->sli4_hba.fcp_wq[idx] = NULL;
7145 }
7146 }
7147 kfree(phba->sli4_hba.fcp_wq);
7148 phba->sli4_hba.fcp_wq = NULL;
7149 }
7150
962bc51b
JS		 7151 if (phba->pci_bar0_memmap_p) {
7152 iounmap(phba->pci_bar0_memmap_p);
7153 phba->pci_bar0_memmap_p = NULL;
7154 }
7155 if (phba->pci_bar2_memmap_p) {
7156 iounmap(phba->pci_bar2_memmap_p);
7157 phba->pci_bar2_memmap_p = NULL;
7158 }
7159 if (phba->pci_bar4_memmap_p) {
7160 iounmap(phba->pci_bar4_memmap_p);
7161 phba->pci_bar4_memmap_p = NULL;
7162 }
7163
67d12733
JS		 7164 /* Release FCP CQ mapping array */
7165 if (phba->sli4_hba.fcp_cq_map != NULL) {
7166 kfree(phba->sli4_hba.fcp_cq_map);
7167 phba->sli4_hba.fcp_cq_map = NULL;
7168 }
da0436e9
JS		 7169
7170 /* Release mailbox command work queue */
67d12733
JS		 7171 if (phba->sli4_hba.mbx_wq != NULL) {
7172 lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq);
7173 phba->sli4_hba.mbx_wq = NULL;
7174 }
da0436e9
JS		 7175
7176 /* Release ELS work queue */
67d12733
JS		 7177 if (phba->sli4_hba.els_wq != NULL) {
7178 lpfc_sli4_queue_free(phba->sli4_hba.els_wq);
7179 phba->sli4_hba.els_wq = NULL;
7180 }
da0436e9
JS		 7181
7182 /* Release unsolicited receive queue */
67d12733
JS		 7183 if (phba->sli4_hba.hdr_rq != NULL) {
7184 lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq);
7185 phba->sli4_hba.hdr_rq = NULL;
7186 }
7187 if (phba->sli4_hba.dat_rq != NULL) {
7188 lpfc_sli4_queue_free(phba->sli4_hba.dat_rq);
7189 phba->sli4_hba.dat_rq = NULL;
7190 }
da0436e9 7191
da0436e9 7192 /* Release ELS complete queue */
67d12733
JS		 7193 if (phba->sli4_hba.els_cq != NULL) {
7194 lpfc_sli4_queue_free(phba->sli4_hba.els_cq);
7195 phba->sli4_hba.els_cq = NULL;
7196 }
da0436e9
JS		 7197
7198 /* Release mailbox command complete queue */
67d12733
JS		 7199 if (phba->sli4_hba.mbx_cq != NULL) {
7200 lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq);
7201 phba->sli4_hba.mbx_cq = NULL;
7202 }
da0436e9
JS		 7203
7204 return;
7205}
7206
7207/**
7208 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
7209 * @phba: pointer to lpfc hba data structure.
7210 *
7211 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
7212 * operation.
7213 *
7214 * Return codes
af901ca1 7215 * 0 - successful
25985edc 7216 * -ENOMEM - No available memory
d439d286 7217 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7218 **/
7219int
7220lpfc_sli4_queue_setup(struct lpfc_hba *phba)
7221{
2a76a283
JS		 7222 struct lpfc_sli *psli = &phba->sli;
7223 struct lpfc_sli_ring *pring;
da0436e9
JS		 7224 int rc = -ENOMEM;
7225 int fcp_eqidx, fcp_cqidx, fcp_wqidx;
7226 int fcp_cq_index = 0;
962bc51b
JS		 7227 uint32_t shdr_status, shdr_add_status;
7228 union lpfc_sli4_cfg_shdr *shdr;
7229 LPFC_MBOXQ_t *mboxq;
7230 uint32_t length;
7231
7232 /* Check for dual-ULP support */
7233 mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
7234 if (!mboxq) {
7235 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7236 "3249 Unable to allocate memory for "
7237 "QUERY_FW_CFG mailbox command\n");
7238 return -ENOMEM;
7239 }
7240 length = (sizeof(struct lpfc_mbx_query_fw_config) -
7241 sizeof(struct lpfc_sli4_cfg_mhdr));
7242 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
7243 LPFC_MBOX_OPCODE_QUERY_FW_CFG,
7244 length, LPFC_SLI4_MBX_EMBED);
7245
7246 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
7247
7248 shdr = (union lpfc_sli4_cfg_shdr *)
7249 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
7250 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
7251 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
7252 if (shdr_status || shdr_add_status || rc) {
7253 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7254 "3250 QUERY_FW_CFG mailbox failed with status "
7255 "x%x add_status x%x, mbx status x%x\n",
7256 shdr_status, shdr_add_status, rc);
7257 if (rc != MBX_TIMEOUT)
7258 mempool_free(mboxq, phba->mbox_mem_pool);
7259 rc = -ENXIO;
7260 goto out_error;
7261 }
7262
7263 phba->sli4_hba.fw_func_mode =
7264 mboxq->u.mqe.un.query_fw_cfg.rsp.function_mode;
7265 phba->sli4_hba.ulp0_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp0_mode;
7266 phba->sli4_hba.ulp1_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp1_mode;
7267 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7268 "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, "
7269 "ulp1_mode:x%x\n", phba->sli4_hba.fw_func_mode,
7270 phba->sli4_hba.ulp0_mode, phba->sli4_hba.ulp1_mode);
7271
7272 if (rc != MBX_TIMEOUT)
7273 mempool_free(mboxq, phba->mbox_mem_pool);
da0436e9
JS		 7274
7275 /*
67d12733 7276 * Set up HBA Event Queues (EQs)
da0436e9
JS		 7277 */
7278
67d12733
JS		 7279 /* Set up HBA event queue */
7280 if (phba->cfg_fcp_io_channel && !phba->sli4_hba.hba_eq) {
2e90f4b5
JS		 7281 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7282 "3147 Fast-path EQs not allocated\n");
1b51197d 7283 rc = -ENOMEM;
67d12733 7284 goto out_error;
2e90f4b5 7285 }
67d12733
JS		 7286 for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_io_channel; fcp_eqidx++) {
7287 if (!phba->sli4_hba.hba_eq[fcp_eqidx]) {
da0436e9
JS		 7288 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7289 "0522 Fast-path EQ (%d) not "
7290 "allocated\n", fcp_eqidx);
1b51197d 7291 rc = -ENOMEM;
67d12733 7292 goto out_destroy_hba_eq;
da0436e9 7293 }
67d12733 7294 rc = lpfc_eq_create(phba, phba->sli4_hba.hba_eq[fcp_eqidx],
bf8dae83 7295 (phba->cfg_fcp_imax / phba->cfg_fcp_io_channel));
da0436e9
JS		 7296 if (rc) {
7297 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7298 "0523 Failed setup of fast-path EQ "
7299 "(%d), rc = 0x%x\n", fcp_eqidx, rc);
67d12733 7300 goto out_destroy_hba_eq;
da0436e9
JS		 7301 }
7302 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
67d12733 7303 "2584 HBA EQ setup: "
da0436e9 7304 "queue[%d]-id=%d\n", fcp_eqidx,
67d12733 7305 phba->sli4_hba.hba_eq[fcp_eqidx]->queue_id);
da0436e9
JS		 7306 }
7307
67d12733
JS		 7308 /* Set up fast-path FCP Response Complete Queue */
7309 if (!phba->sli4_hba.fcp_cq) {
7310 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7311 "3148 Fast-path FCP CQ array not "
7312 "allocated\n");
7313 rc = -ENOMEM;
7314 goto out_destroy_hba_eq;
7315 }
7316
7317 for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_io_channel; fcp_cqidx++) {
7318 if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) {
7319 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7320 "0526 Fast-path FCP CQ (%d) not "
7321 "allocated\n", fcp_cqidx);
7322 rc = -ENOMEM;
7323 goto out_destroy_fcp_cq;
7324 }
7325 rc = lpfc_cq_create(phba, phba->sli4_hba.fcp_cq[fcp_cqidx],
7326 phba->sli4_hba.hba_eq[fcp_cqidx], LPFC_WCQ, LPFC_FCP);
7327 if (rc) {
7328 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7329 "0527 Failed setup of fast-path FCP "
7330 "CQ (%d), rc = 0x%x\n", fcp_cqidx, rc);
7331 goto out_destroy_fcp_cq;
7332 }
7333
7334 /* Setup fcp_cq_map for fast lookup */
7335 phba->sli4_hba.fcp_cq_map[fcp_cqidx] =
7336 phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id;
7337
7338 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7339 "2588 FCP CQ setup: cq[%d]-id=%d, "
7340 "parent seq[%d]-id=%d\n",
7341 fcp_cqidx,
7342 phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id,
7343 fcp_cqidx,
7344 phba->sli4_hba.hba_eq[fcp_cqidx]->queue_id);
7345 }
7346
7347 /* Set up fast-path FCP Work Queue */
7348 if (!phba->sli4_hba.fcp_wq) {
7349 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7350 "3149 Fast-path FCP WQ array not "
7351 "allocated\n");
7352 rc = -ENOMEM;
7353 goto out_destroy_fcp_cq;
7354 }
7355
7356 for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_io_channel; fcp_wqidx++) {
7357 if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) {
7358 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7359 "0534 Fast-path FCP WQ (%d) not "
7360 "allocated\n", fcp_wqidx);
7361 rc = -ENOMEM;
7362 goto out_destroy_fcp_wq;
7363 }
7364 rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx],
7365 phba->sli4_hba.fcp_cq[fcp_wqidx],
7366 LPFC_FCP);
7367 if (rc) {
7368 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7369 "0535 Failed setup of fast-path FCP "
7370 "WQ (%d), rc = 0x%x\n", fcp_wqidx, rc);
7371 goto out_destroy_fcp_wq;
7372 }
7373
7374 /* Bind this WQ to the next FCP ring */
7375 pring = &psli->ring[MAX_SLI3_CONFIGURED_RINGS + fcp_wqidx];
7376 pring->sli.sli4.wqp = (void *)phba->sli4_hba.fcp_wq[fcp_wqidx];
7377 phba->sli4_hba.fcp_cq[fcp_wqidx]->pring = pring;
7378
7379 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7380 "2591 FCP WQ setup: wq[%d]-id=%d, "
7381 "parent cq[%d]-id=%d\n",
7382 fcp_wqidx,
7383 phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id,
7384 fcp_cq_index,
7385 phba->sli4_hba.fcp_cq[fcp_wqidx]->queue_id);
7386 }
da0436e9
JS		 7387 /*
7388 * Set up Complete Queues (CQs)
7389 */
7390
7391 /* Set up slow-path MBOX Complete Queue as the first CQ */
7392 if (!phba->sli4_hba.mbx_cq) {
7393 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7394 "0528 Mailbox CQ not allocated\n");
1b51197d 7395 rc = -ENOMEM;
67d12733 7396 goto out_destroy_fcp_wq;
da0436e9 7397 }
67d12733
JS		 7398 rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq,
7399 phba->sli4_hba.hba_eq[0], LPFC_MCQ, LPFC_MBOX);
da0436e9
JS		 7400 if (rc) {
7401 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7402 "0529 Failed setup of slow-path mailbox CQ: "
7403 "rc = 0x%x\n", rc);
67d12733 7404 goto out_destroy_fcp_wq;
da0436e9
JS		 7405 }
7406 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7407 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
7408 phba->sli4_hba.mbx_cq->queue_id,
67d12733 7409 phba->sli4_hba.hba_eq[0]->queue_id);
da0436e9
JS		 7410
7411 /* Set up slow-path ELS Complete Queue */
7412 if (!phba->sli4_hba.els_cq) {
7413 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7414 "0530 ELS CQ not allocated\n");
1b51197d 7415 rc = -ENOMEM;
da0436e9
JS		 7416 goto out_destroy_mbx_cq;
7417 }
67d12733
JS		 7418 rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq,
7419 phba->sli4_hba.hba_eq[0], LPFC_WCQ, LPFC_ELS);
da0436e9
JS		 7420 if (rc) {
7421 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7422 "0531 Failed setup of slow-path ELS CQ: "
7423 "rc = 0x%x\n", rc);
7424 goto out_destroy_mbx_cq;
7425 }
7426 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7427 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
7428 phba->sli4_hba.els_cq->queue_id,
67d12733 7429 phba->sli4_hba.hba_eq[0]->queue_id);
da0436e9
JS		 7430
7431 /*
7432 * Set up all the Work Queues (WQs)
7433 */
7434
7435 /* Set up Mailbox Command Queue */
7436 if (!phba->sli4_hba.mbx_wq) {
7437 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7438 "0538 Slow-path MQ not allocated\n");
1b51197d 7439 rc = -ENOMEM;
67d12733 7440 goto out_destroy_els_cq;
da0436e9
JS		 7441 }
7442 rc = lpfc_mq_create(phba, phba->sli4_hba.mbx_wq,
7443 phba->sli4_hba.mbx_cq, LPFC_MBOX);
7444 if (rc) {
7445 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7446 "0539 Failed setup of slow-path MQ: "
7447 "rc = 0x%x\n", rc);
67d12733 7448 goto out_destroy_els_cq;
da0436e9
JS		 7449 }
7450 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7451 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
7452 phba->sli4_hba.mbx_wq->queue_id,
7453 phba->sli4_hba.mbx_cq->queue_id);
7454
7455 /* Set up slow-path ELS Work Queue */
7456 if (!phba->sli4_hba.els_wq) {
7457 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7458 "0536 Slow-path ELS WQ not allocated\n");
1b51197d 7459 rc = -ENOMEM;
da0436e9
JS		 7460 goto out_destroy_mbx_wq;
7461 }
7462 rc = lpfc_wq_create(phba, phba->sli4_hba.els_wq,
7463 phba->sli4_hba.els_cq, LPFC_ELS);
7464 if (rc) {
7465 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7466 "0537 Failed setup of slow-path ELS WQ: "
7467 "rc = 0x%x\n", rc);
7468 goto out_destroy_mbx_wq;
7469 }
2a76a283
JS		 7470
7471 /* Bind this WQ to the ELS ring */
7472 pring = &psli->ring[LPFC_ELS_RING];
7473 pring->sli.sli4.wqp = (void *)phba->sli4_hba.els_wq;
7474 phba->sli4_hba.els_cq->pring = pring;
7475
da0436e9
JS		 7476 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7477 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
7478 phba->sli4_hba.els_wq->queue_id,
7479 phba->sli4_hba.els_cq->queue_id);
7480
da0436e9
JS		 7481 /*
7482 * Create Receive Queue (RQ)
7483 */
7484 if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) {
7485 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7486 "0540 Receive Queue not allocated\n");
1b51197d 7487 rc = -ENOMEM;
67d12733 7488 goto out_destroy_els_wq;
da0436e9 7489 }
73d91e50
JS		 7490
7491 lpfc_rq_adjust_repost(phba, phba->sli4_hba.hdr_rq, LPFC_ELS_HBQ);
7492 lpfc_rq_adjust_repost(phba, phba->sli4_hba.dat_rq, LPFC_ELS_HBQ);
7493
da0436e9 7494 rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq,
4d9ab994 7495 phba->sli4_hba.els_cq, LPFC_USOL);
da0436e9
JS		 7496 if (rc) {
7497 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7498 "0541 Failed setup of Receive Queue: "
7499 "rc = 0x%x\n", rc);
7500 goto out_destroy_fcp_wq;
7501 }
73d91e50 7502
da0436e9
JS		 7503 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7504 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
7505 "parent cq-id=%d\n",
7506 phba->sli4_hba.hdr_rq->queue_id,
7507 phba->sli4_hba.dat_rq->queue_id,
4d9ab994 7508 phba->sli4_hba.els_cq->queue_id);
da0436e9
JS		 7509 return 0;
7510
2e90f4b5 7511out_destroy_els_wq:
da0436e9
JS		 7512 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
7513out_destroy_mbx_wq:
7514 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
2e90f4b5 7515out_destroy_els_cq:
da0436e9
JS		 7516 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
7517out_destroy_mbx_cq:
7518 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
67d12733
JS		 7519out_destroy_fcp_wq:
7520 for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--)
7521 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]);
7522out_destroy_fcp_cq:
7523 for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--)
7524 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]);
7525out_destroy_hba_eq:
da0436e9 7526 for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--)
67d12733 7527 lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_eqidx]);
da0436e9
JS		 7528out_error:
7529 return rc;
7530}
7531
7532/**
7533 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
7534 * @phba: pointer to lpfc hba data structure.
7535 *
7536 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
7537 * operation.
7538 *
7539 * Return codes
af901ca1 7540 * 0 - successful
25985edc 7541 * -ENOMEM - No available memory
d439d286 7542 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7543 **/
7544void
7545lpfc_sli4_queue_unset(struct lpfc_hba *phba)
7546{
7547 int fcp_qidx;
7548
7549 /* Unset mailbox command work queue */
7550 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
7551 /* Unset ELS work queue */
7552 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
7553 /* Unset unsolicited receive queue */
7554 lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq);
7555 /* Unset FCP work queue */
67d12733
JS		 7556 if (phba->sli4_hba.fcp_wq) {
7557 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
7558 fcp_qidx++)
7559 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_qidx]);
7560 }
da0436e9
JS		 7561 /* Unset mailbox command complete queue */
7562 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
7563 /* Unset ELS complete queue */
7564 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
da0436e9 7565 /* Unset FCP response complete queue */
2e90f4b5 7566 if (phba->sli4_hba.fcp_cq) {
67d12733
JS		 7567 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
7568 fcp_qidx++)
2e90f4b5 7569 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]);
2e90f4b5 7570 }
da0436e9 7571 /* Unset fast-path event queue */
67d12733
JS		 7572 if (phba->sli4_hba.hba_eq) {
7573 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
2e90f4b5 7574 fcp_qidx++)
67d12733 7575 lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_qidx]);
2e90f4b5 7576 }
da0436e9
JS		 7577}
7578
7579/**
7580 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
7581 * @phba: pointer to lpfc hba data structure.
7582 *
7583 * This routine is invoked to allocate and set up a pool of completion queue
7584 * events. The body of the completion queue event is a completion queue entry
7585 * CQE. For now, this pool is used for the interrupt service routine to queue
7586 * the following HBA completion queue events for the worker thread to process:
7587 * - Mailbox asynchronous events
7588 * - Receive queue completion unsolicited events
7589 * Later, this can be used for all the slow-path events.
7590 *
7591 * Return codes
af901ca1 7592 * 0 - successful
25985edc 7593 * -ENOMEM - No available memory
da0436e9
JS		 7594 **/
7595static int
7596lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba)
7597{
7598 struct lpfc_cq_event *cq_event;
7599 int i;
7600
7601 for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) {
7602 cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL);
7603 if (!cq_event)
7604 goto out_pool_create_fail;
7605 list_add_tail(&cq_event->list,
7606 &phba->sli4_hba.sp_cqe_event_pool);
7607 }
7608 return 0;
7609
7610out_pool_create_fail:
7611 lpfc_sli4_cq_event_pool_destroy(phba);
7612 return -ENOMEM;
7613}
7614
7615/**
7616 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
7617 * @phba: pointer to lpfc hba data structure.
7618 *
7619 * This routine is invoked to free the pool of completion queue events at
7620 * driver unload time. Note that, it is the responsibility of the driver
7621 * cleanup routine to free all the outstanding completion-queue events
7622 * allocated from this pool back into the pool before invoking this routine
7623 * to destroy the pool.
7624 **/
7625static void
7626lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba)
7627{
7628 struct lpfc_cq_event *cq_event, *next_cq_event;
7629
7630 list_for_each_entry_safe(cq_event, next_cq_event,
7631 &phba->sli4_hba.sp_cqe_event_pool, list) {
7632 list_del(&cq_event->list);
7633 kfree(cq_event);
7634 }
7635}
7636
7637/**
7638 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7639 * @phba: pointer to lpfc hba data structure.
7640 *
7641 * This routine is the lock free version of the API invoked to allocate a
7642 * completion-queue event from the free pool.
7643 *
7644 * Return: Pointer to the newly allocated completion-queue event if successful
7645 * NULL otherwise.
7646 **/
7647struct lpfc_cq_event *
7648__lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
7649{
7650 struct lpfc_cq_event *cq_event = NULL;
7651
7652 list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event,
7653 struct lpfc_cq_event, list);
7654 return cq_event;
7655}
7656
7657/**
7658 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7659 * @phba: pointer to lpfc hba data structure.
7660 *
7661 * This routine is the lock version of the API invoked to allocate a
7662 * completion-queue event from the free pool.
7663 *
7664 * Return: Pointer to the newly allocated completion-queue event if successful
7665 * NULL otherwise.
7666 **/
7667struct lpfc_cq_event *
7668lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
7669{
7670 struct lpfc_cq_event *cq_event;
7671 unsigned long iflags;
7672
7673 spin_lock_irqsave(&phba->hbalock, iflags);
7674 cq_event = __lpfc_sli4_cq_event_alloc(phba);
7675 spin_unlock_irqrestore(&phba->hbalock, iflags);
7676 return cq_event;
7677}
7678
7679/**
7680 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7681 * @phba: pointer to lpfc hba data structure.
7682 * @cq_event: pointer to the completion queue event to be freed.
7683 *
7684 * This routine is the lock free version of the API invoked to release a
7685 * completion-queue event back into the free pool.
7686 **/
7687void
7688__lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
7689 struct lpfc_cq_event *cq_event)
7690{
7691 list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool);
7692}
7693
7694/**
7695 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7696 * @phba: pointer to lpfc hba data structure.
7697 * @cq_event: pointer to the completion queue event to be freed.
7698 *
7699 * This routine is the lock version of the API invoked to release a
7700 * completion-queue event back into the free pool.
7701 **/
7702void
7703lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
7704 struct lpfc_cq_event *cq_event)
7705{
7706 unsigned long iflags;
7707 spin_lock_irqsave(&phba->hbalock, iflags);
7708 __lpfc_sli4_cq_event_release(phba, cq_event);
7709 spin_unlock_irqrestore(&phba->hbalock, iflags);
7710}
7711
7712/**
7713 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
7714 * @phba: pointer to lpfc hba data structure.
7715 *
7716 * This routine is to free all the pending completion-queue events to the
7717 * back into the free pool for device reset.
7718 **/
7719static void
7720lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba)
7721{
7722 LIST_HEAD(cqelist);
7723 struct lpfc_cq_event *cqe;
7724 unsigned long iflags;
7725
7726 /* Retrieve all the pending WCQEs from pending WCQE lists */
7727 spin_lock_irqsave(&phba->hbalock, iflags);
7728 /* Pending FCP XRI abort events */
7729 list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue,
7730 &cqelist);
7731 /* Pending ELS XRI abort events */
7732 list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue,
7733 &cqelist);
7734 /* Pending asynnc events */
7735 list_splice_init(&phba->sli4_hba.sp_asynce_work_queue,
7736 &cqelist);
7737 spin_unlock_irqrestore(&phba->hbalock, iflags);
7738
7739 while (!list_empty(&cqelist)) {
7740 list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list);
7741 lpfc_sli4_cq_event_release(phba, cqe);
7742 }
7743}
7744
7745/**
7746 * lpfc_pci_function_reset - Reset pci function.
7747 * @phba: pointer to lpfc hba data structure.
7748 *
7749 * This routine is invoked to request a PCI function reset. It will destroys
7750 * all resources assigned to the PCI function which originates this request.
7751 *
7752 * Return codes
af901ca1 7753 * 0 - successful
25985edc 7754 * -ENOMEM - No available memory
d439d286 7755 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7756 **/
7757int
7758lpfc_pci_function_reset(struct lpfc_hba *phba)
7759{
7760 LPFC_MBOXQ_t *mboxq;
2fcee4bf 7761 uint32_t rc = 0, if_type;
da0436e9 7762 uint32_t shdr_status, shdr_add_status;
2fcee4bf 7763 uint32_t rdy_chk, num_resets = 0, reset_again = 0;
da0436e9 7764 union lpfc_sli4_cfg_shdr *shdr;
2fcee4bf 7765 struct lpfc_register reg_data;
2b81f942 7766 uint16_t devid;
da0436e9 7767
2fcee4bf
JS		 7768 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
7769 switch (if_type) {
7770 case LPFC_SLI_INTF_IF_TYPE_0:
7771 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
7772 GFP_KERNEL);
7773 if (!mboxq) {
7774 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7775 "0494 Unable to allocate memory for "
7776 "issuing SLI_FUNCTION_RESET mailbox "
7777 "command\n");
7778 return -ENOMEM;
7779 }
da0436e9 7780
2fcee4bf
JS		 7781 /* Setup PCI function reset mailbox-ioctl command */
7782 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
7783 LPFC_MBOX_OPCODE_FUNCTION_RESET, 0,
7784 LPFC_SLI4_MBX_EMBED);
7785 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
7786 shdr = (union lpfc_sli4_cfg_shdr *)
7787 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
7788 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
7789 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
7790 &shdr->response);
7791 if (rc != MBX_TIMEOUT)
7792 mempool_free(mboxq, phba->mbox_mem_pool);
7793 if (shdr_status || shdr_add_status || rc) {
7794 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7795 "0495 SLI_FUNCTION_RESET mailbox "
7796 "failed with status x%x add_status x%x,"
7797 " mbx status x%x\n",
7798 shdr_status, shdr_add_status, rc);
7799 rc = -ENXIO;
7800 }
7801 break;
7802 case LPFC_SLI_INTF_IF_TYPE_2:
7803 for (num_resets = 0;
7804 num_resets < MAX_IF_TYPE_2_RESETS;
7805 num_resets++) {
7806 reg_data.word0 = 0;
7807 bf_set(lpfc_sliport_ctrl_end, &reg_data,
7808 LPFC_SLIPORT_LITTLE_ENDIAN);
7809 bf_set(lpfc_sliport_ctrl_ip, &reg_data,
7810 LPFC_SLIPORT_INIT_PORT);
7811 writel(reg_data.word0, phba->sli4_hba.u.if_type2.
7812 CTRLregaddr);
8fcb8acd 7813 /* flush */
2b81f942
JS		 7814 pci_read_config_word(phba->pcidev,
7815 PCI_DEVICE_ID, &devid);
2fcee4bf
JS		 7816 /*
7817 * Poll the Port Status Register and wait for RDY for
7818 * up to 10 seconds. If the port doesn't respond, treat
7819 * it as an error. If the port responds with RN, start
7820 * the loop again.
7821 */
7822 for (rdy_chk = 0; rdy_chk < 1000; rdy_chk++) {
73d91e50 7823 msleep(10);
9940b97b
JS		 7824 if (lpfc_readl(phba->sli4_hba.u.if_type2.
7825 STATUSregaddr, &reg_data.word0)) {
7826 rc = -ENODEV;
73d91e50 7827 goto out;
9940b97b 7828 }
6b5151fd 7829 if (bf_get(lpfc_sliport_status_rn, &reg_data))
2fcee4bf 7830 reset_again++;
6b5151fd 7831 if (bf_get(lpfc_sliport_status_rdy, &reg_data))
2fcee4bf 7832 break;
2fcee4bf
JS		 7833 }
7834
7835 /*
7836 * If the port responds to the init request with
7837 * reset needed, delay for a bit and restart the loop.
7838 */
6b5151fd 7839 if (reset_again && (rdy_chk < 1000)) {
2fcee4bf
JS		 7840 msleep(10);
7841 reset_again = 0;
7842 continue;
7843 }
7844
7845 /* Detect any port errors. */
2fcee4bf
JS		 7846 if ((bf_get(lpfc_sliport_status_err, &reg_data)) ||
7847 (rdy_chk >= 1000)) {
7848 phba->work_status[0] = readl(
7849 phba->sli4_hba.u.if_type2.ERR1regaddr);
7850 phba->work_status[1] = readl(
7851 phba->sli4_hba.u.if_type2.ERR2regaddr);
7852 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8fcb8acd 7853 "2890 Port error detected during port "
8a9d2e80
JS		 7854 "reset(%d): wait_tmo:%d ms, "
7855 "port status reg 0x%x, "
2fcee4bf 7856 "error 1=0x%x, error 2=0x%x\n",
8a9d2e80
JS		 7857 num_resets, rdy_chk*10,
7858 reg_data.word0,
2fcee4bf
JS		 7859 phba->work_status[0],
7860 phba->work_status[1]);
7861 rc = -ENODEV;
7862 }
7863
7864 /*
7865 * Terminate the outer loop provided the Port indicated
7866 * ready within 10 seconds.
7867 */
7868 if (rdy_chk < 1000)
7869 break;
7870 }
0558056c
JS		 7871 /* delay driver action following IF_TYPE_2 function reset */
7872 msleep(100);
2fcee4bf
JS		 7873 break;
7874 case LPFC_SLI_INTF_IF_TYPE_1:
7875 default:
7876 break;
da0436e9 7877 }
2fcee4bf 7878
73d91e50 7879out:
2fcee4bf 7880 /* Catch the not-ready port failure after a port reset. */
229adb0e
JS		 7881 if (num_resets >= MAX_IF_TYPE_2_RESETS) {
7882 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7883 "3317 HBA not functional: IP Reset Failed "
7884 "after (%d) retries, try: "
7885 "echo fw_reset > board_mode\n", num_resets);
2fcee4bf 7886 rc = -ENODEV;
229adb0e 7887 }
2fcee4bf 7888
da0436e9
JS		 7889 return rc;
7890}
7891
da0436e9
JS		 7892/**
7893 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
7894 * @phba: pointer to lpfc hba data structure.
7895 *
7896 * This routine is invoked to set up the PCI device memory space for device
7897 * with SLI-4 interface spec.
7898 *
7899 * Return codes
af901ca1 7900 * 0 - successful
da0436e9
JS		 7901 * other values - error
7902 **/
7903static int
7904lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
7905{
7906 struct pci_dev *pdev;
7907 unsigned long bar0map_len, bar1map_len, bar2map_len;
7908 int error = -ENODEV;
2fcee4bf 7909 uint32_t if_type;
da0436e9
JS		 7910
7911 /* Obtain PCI device reference */
7912 if (!phba->pcidev)
7913 return error;
7914 else
7915 pdev = phba->pcidev;
7916
7917 /* Set the device DMA mask size */
8e68597d
MR		 7918 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0
7919 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) {
7920 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0
7921 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) {
da0436e9 7922 return error;
8e68597d
MR		 7923 }
7924 }
da0436e9 7925
2fcee4bf
JS		 7926 /*
7927 * The BARs and register set definitions and offset locations are
7928 * dependent on the if_type.
7929 */
7930 if (pci_read_config_dword(pdev, LPFC_SLI_INTF,
7931 &phba->sli4_hba.sli_intf.word0)) {
7932 return error;
7933 }
7934
7935 /* There is no SLI3 failback for SLI4 devices. */
7936 if (bf_get(lpfc_sli_intf_valid, &phba->sli4_hba.sli_intf) !=
7937 LPFC_SLI_INTF_VALID) {
7938 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7939 "2894 SLI_INTF reg contents invalid "
7940 "sli_intf reg 0x%x\n",
7941 phba->sli4_hba.sli_intf.word0);
7942 return error;
7943 }
7944
7945 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
7946 /*
7947 * Get the bus address of SLI4 device Bar regions and the
7948 * number of bytes required by each mapping. The mapping of the
7949 * particular PCI BARs regions is dependent on the type of
7950 * SLI4 device.
da0436e9 7951 */
1dfb5a47
JS		 7952 if (pci_resource_start(pdev, 0)) {
7953 phba->pci_bar0_map = pci_resource_start(pdev, 0);
7954 bar0map_len = pci_resource_len(pdev, 0);
2fcee4bf
JS		 7955
7956 /*
7957 * Map SLI4 PCI Config Space Register base to a kernel virtual
7958 * addr
7959 */
7960 phba->sli4_hba.conf_regs_memmap_p =
7961 ioremap(phba->pci_bar0_map, bar0map_len);
7962 if (!phba->sli4_hba.conf_regs_memmap_p) {
7963 dev_printk(KERN_ERR, &pdev->dev,
7964 "ioremap failed for SLI4 PCI config "
7965 "registers.\n");
7966 goto out;
7967 }
7968 /* Set up BAR0 PCI config space register memory map */
7969 lpfc_sli4_bar0_register_memmap(phba, if_type);
1dfb5a47
JS		 7970 } else {
7971 phba->pci_bar0_map = pci_resource_start(pdev, 1);
7972 bar0map_len = pci_resource_len(pdev, 1);
2fcee4bf
JS		 7973 if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
7974 dev_printk(KERN_ERR, &pdev->dev,
7975 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
7976 goto out;
7977 }
7978 phba->sli4_hba.conf_regs_memmap_p =
da0436e9 7979 ioremap(phba->pci_bar0_map, bar0map_len);
2fcee4bf
JS		 7980 if (!phba->sli4_hba.conf_regs_memmap_p) {
7981 dev_printk(KERN_ERR, &pdev->dev,
7982 "ioremap failed for SLI4 PCI config "
7983 "registers.\n");
7984 goto out;
7985 }
7986 lpfc_sli4_bar0_register_memmap(phba, if_type);
da0436e9
JS		 7987 }
7988
c31098ce
JS		 7989 if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
7990 (pci_resource_start(pdev, 2))) {
2fcee4bf
JS		 7991 /*
7992 * Map SLI4 if type 0 HBA Control Register base to a kernel
7993 * virtual address and setup the registers.
7994 */
7995 phba->pci_bar1_map = pci_resource_start(pdev, 2);
7996 bar1map_len = pci_resource_len(pdev, 2);
7997 phba->sli4_hba.ctrl_regs_memmap_p =
da0436e9 7998 ioremap(phba->pci_bar1_map, bar1map_len);
2fcee4bf
JS		 7999 if (!phba->sli4_hba.ctrl_regs_memmap_p) {
8000 dev_printk(KERN_ERR, &pdev->dev,
da0436e9 8001 "ioremap failed for SLI4 HBA control registers.\n");
2fcee4bf
JS		 8002 goto out_iounmap_conf;
8003 }
8004 lpfc_sli4_bar1_register_memmap(phba);
da0436e9
JS		 8005 }
8006
c31098ce
JS		 8007 if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
8008 (pci_resource_start(pdev, 4))) {
2fcee4bf
JS		 8009 /*
8010 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
8011 * virtual address and setup the registers.
8012 */
8013 phba->pci_bar2_map = pci_resource_start(pdev, 4);
8014 bar2map_len = pci_resource_len(pdev, 4);
8015 phba->sli4_hba.drbl_regs_memmap_p =
da0436e9 8016 ioremap(phba->pci_bar2_map, bar2map_len);
2fcee4bf
JS		 8017 if (!phba->sli4_hba.drbl_regs_memmap_p) {
8018 dev_printk(KERN_ERR, &pdev->dev,
da0436e9 8019 "ioremap failed for SLI4 HBA doorbell registers.\n");
2fcee4bf
JS		 8020 goto out_iounmap_ctrl;
8021 }
8022 error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0);
8023 if (error)
8024 goto out_iounmap_all;
da0436e9
JS		 8025 }
8026
da0436e9
JS		 8027 return 0;
8028
8029out_iounmap_all:
8030 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
8031out_iounmap_ctrl:
8032 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
8033out_iounmap_conf:
8034 iounmap(phba->sli4_hba.conf_regs_memmap_p);
8035out:
8036 return error;
8037}
8038
8039/**
8040 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
8041 * @phba: pointer to lpfc hba data structure.
8042 *
8043 * This routine is invoked to unset the PCI device memory space for device
8044 * with SLI-4 interface spec.
8045 **/
8046static void
8047lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba)
8048{
2e90f4b5
JS		 8049 uint32_t if_type;
8050 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
da0436e9 8051
2e90f4b5
JS		 8052 switch (if_type) {
8053 case LPFC_SLI_INTF_IF_TYPE_0:
8054 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
8055 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
8056 iounmap(phba->sli4_hba.conf_regs_memmap_p);
8057 break;
8058 case LPFC_SLI_INTF_IF_TYPE_2:
8059 iounmap(phba->sli4_hba.conf_regs_memmap_p);
8060 break;
8061 case LPFC_SLI_INTF_IF_TYPE_1:
8062 default:
8063 dev_printk(KERN_ERR, &phba->pcidev->dev,
8064 "FATAL - unsupported SLI4 interface type - %d\n",
8065 if_type);
8066 break;
8067 }
da0436e9
JS		 8068}
8069
8070/**
8071 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
8072 * @phba: pointer to lpfc hba data structure.
8073 *
8074 * This routine is invoked to enable the MSI-X interrupt vectors to device
8075 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
8076 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
8077 * invoked, enables either all or nothing, depending on the current
8078 * availability of PCI vector resources. The device driver is responsible
8079 * for calling the individual request_irq() to register each MSI-X vector
8080 * with a interrupt handler, which is done in this function. Note that
8081 * later when device is unloading, the driver should always call free_irq()
8082 * on all MSI-X vectors it has done request_irq() on before calling
8083 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
8084 * will be left with MSI-X enabled and leaks its vectors.
8085 *
8086 * Return codes
af901ca1 8087 * 0 - successful
da0436e9
JS		 8088 * other values - error
8089 **/
8090static int
8091lpfc_sli_enable_msix(struct lpfc_hba *phba)
8092{
8093 int rc, i;
8094 LPFC_MBOXQ_t *pmb;
8095
8096 /* Set up MSI-X multi-message vectors */
8097 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
8098 phba->msix_entries[i].entry = i;
8099
8100 /* Configure MSI-X capability structure */
8101 rc = pci_enable_msix(phba->pcidev, phba->msix_entries,
8102 ARRAY_SIZE(phba->msix_entries));
8103 if (rc) {
8104 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8105 "0420 PCI enable MSI-X failed (%d)\n", rc);
8106 goto msi_fail_out;
8107 }
8108 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
8109 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8110 "0477 MSI-X entry[%d]: vector=x%x "
8111 "message=%d\n", i,
8112 phba->msix_entries[i].vector,
8113 phba->msix_entries[i].entry);
8114 /*
8115 * Assign MSI-X vectors to interrupt handlers
8116 */
8117
8118 /* vector-0 is associated to slow-path handler */
8119 rc = request_irq(phba->msix_entries[0].vector,
8120 &lpfc_sli_sp_intr_handler, IRQF_SHARED,
8121 LPFC_SP_DRIVER_HANDLER_NAME, phba);
8122 if (rc) {
8123 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8124 "0421 MSI-X slow-path request_irq failed "
8125 "(%d)\n", rc);
8126 goto msi_fail_out;
8127 }
8128
8129 /* vector-1 is associated to fast-path handler */
8130 rc = request_irq(phba->msix_entries[1].vector,
8131 &lpfc_sli_fp_intr_handler, IRQF_SHARED,
8132 LPFC_FP_DRIVER_HANDLER_NAME, phba);
8133
8134 if (rc) {
8135 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8136 "0429 MSI-X fast-path request_irq failed "
8137 "(%d)\n", rc);
8138 goto irq_fail_out;
8139 }
8140
8141 /*
8142 * Configure HBA MSI-X attention conditions to messages
8143 */
8144 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
8145
8146 if (!pmb) {
8147 rc = -ENOMEM;
8148 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8149 "0474 Unable to allocate memory for issuing "
8150 "MBOX_CONFIG_MSI command\n");
8151 goto mem_fail_out;
8152 }
8153 rc = lpfc_config_msi(phba, pmb);
8154 if (rc)
8155 goto mbx_fail_out;
8156 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
8157 if (rc != MBX_SUCCESS) {
8158 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
8159 "0351 Config MSI mailbox command failed, "
8160 "mbxCmd x%x, mbxStatus x%x\n",
8161 pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus);
8162 goto mbx_fail_out;
8163 }
8164
8165 /* Free memory allocated for mailbox command */
8166 mempool_free(pmb, phba->mbox_mem_pool);
8167 return rc;
8168
8169mbx_fail_out:
8170 /* Free memory allocated for mailbox command */
8171 mempool_free(pmb, phba->mbox_mem_pool);
8172
8173mem_fail_out:
8174 /* free the irq already requested */
8175 free_irq(phba->msix_entries[1].vector, phba);
8176
8177irq_fail_out:
8178 /* free the irq already requested */
8179 free_irq(phba->msix_entries[0].vector, phba);
8180
8181msi_fail_out:
8182 /* Unconfigure MSI-X capability structure */
8183 pci_disable_msix(phba->pcidev);
8184 return rc;
8185}
8186
8187/**
8188 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
8189 * @phba: pointer to lpfc hba data structure.
8190 *
8191 * This routine is invoked to release the MSI-X vectors and then disable the
8192 * MSI-X interrupt mode to device with SLI-3 interface spec.
8193 **/
8194static void
8195lpfc_sli_disable_msix(struct lpfc_hba *phba)
8196{
8197 int i;
8198
8199 /* Free up MSI-X multi-message vectors */
8200 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
8201 free_irq(phba->msix_entries[i].vector, phba);
8202 /* Disable MSI-X */
8203 pci_disable_msix(phba->pcidev);
8204
8205 return;
8206}
8207
8208/**
8209 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
8210 * @phba: pointer to lpfc hba data structure.
8211 *
8212 * This routine is invoked to enable the MSI interrupt mode to device with
8213 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
8214 * enable the MSI vector. The device driver is responsible for calling the
8215 * request_irq() to register MSI vector with a interrupt the handler, which
8216 * is done in this function.
8217 *
8218 * Return codes
af901ca1 8219 * 0 - successful
da0436e9
JS		 8220 * other values - error
8221 */
8222static int
8223lpfc_sli_enable_msi(struct lpfc_hba *phba)
8224{
8225 int rc;
8226
8227 rc = pci_enable_msi(phba->pcidev);
8228 if (!rc)
8229 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8230 "0462 PCI enable MSI mode success.\n");
8231 else {
8232 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8233 "0471 PCI enable MSI mode failed (%d)\n", rc);
8234 return rc;
8235 }
8236
8237 rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
8238 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8239 if (rc) {
8240 pci_disable_msi(phba->pcidev);
8241 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8242 "0478 MSI request_irq failed (%d)\n", rc);
8243 }
8244 return rc;
8245}
8246
8247/**
8248 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
8249 * @phba: pointer to lpfc hba data structure.
8250 *
8251 * This routine is invoked to disable the MSI interrupt mode to device with
8252 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
8253 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8254 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8255 * its vector.
8256 */
8257static void
8258lpfc_sli_disable_msi(struct lpfc_hba *phba)
8259{
8260 free_irq(phba->pcidev->irq, phba);
8261 pci_disable_msi(phba->pcidev);
8262 return;
8263}
8264
8265/**
8266 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
8267 * @phba: pointer to lpfc hba data structure.
8268 *
8269 * This routine is invoked to enable device interrupt and associate driver's
8270 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
8271 * spec. Depends on the interrupt mode configured to the driver, the driver
8272 * will try to fallback from the configured interrupt mode to an interrupt
8273 * mode which is supported by the platform, kernel, and device in the order
8274 * of:
8275 * MSI-X -> MSI -> IRQ.
8276 *
8277 * Return codes
af901ca1 8278 * 0 - successful
da0436e9
JS		 8279 * other values - error
8280 **/
8281static uint32_t
8282lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
8283{
8284 uint32_t intr_mode = LPFC_INTR_ERROR;
8285 int retval;
8286
8287 if (cfg_mode == 2) {
8288 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
8289 retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3);
8290 if (!retval) {
8291 /* Now, try to enable MSI-X interrupt mode */
8292 retval = lpfc_sli_enable_msix(phba);
8293 if (!retval) {
8294 /* Indicate initialization to MSI-X mode */
8295 phba->intr_type = MSIX;
8296 intr_mode = 2;
8297 }
8298 }
8299 }
8300
8301 /* Fallback to MSI if MSI-X initialization failed */
8302 if (cfg_mode >= 1 && phba->intr_type == NONE) {
8303 retval = lpfc_sli_enable_msi(phba);
8304 if (!retval) {
8305 /* Indicate initialization to MSI mode */
8306 phba->intr_type = MSI;
8307 intr_mode = 1;
8308 }
8309 }
8310
8311 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8312 if (phba->intr_type == NONE) {
8313 retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
8314 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8315 if (!retval) {
8316 /* Indicate initialization to INTx mode */
8317 phba->intr_type = INTx;
8318 intr_mode = 0;
8319 }
8320 }
8321 return intr_mode;
8322}
8323
8324/**
8325 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
8326 * @phba: pointer to lpfc hba data structure.
8327 *
8328 * This routine is invoked to disable device interrupt and disassociate the
8329 * driver's interrupt handler(s) from interrupt vector(s) to device with
8330 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
8331 * release the interrupt vector(s) for the message signaled interrupt.
8332 **/
8333static void
8334lpfc_sli_disable_intr(struct lpfc_hba *phba)
8335{
8336 /* Disable the currently initialized interrupt mode */
8337 if (phba->intr_type == MSIX)
8338 lpfc_sli_disable_msix(phba);
8339 else if (phba->intr_type == MSI)
8340 lpfc_sli_disable_msi(phba);
8341 else if (phba->intr_type == INTx)
8342 free_irq(phba->pcidev->irq, phba);
8343
8344 /* Reset interrupt management states */
8345 phba->intr_type = NONE;
8346 phba->sli.slistat.sli_intr = 0;
8347
8348 return;
8349}
8350
7bb03bbf
JS		 8351/**
8352 * lpfc_find_next_cpu - Find next available CPU that matches the phys_id
8353 * @phba: pointer to lpfc hba data structure.
8354 *
8355 * Find next available CPU to use for IRQ to CPU affinity.
8356 */
8357static int
8358lpfc_find_next_cpu(struct lpfc_hba *phba, uint32_t phys_id)
8359{
8360 struct lpfc_vector_map_info *cpup;
8361 int cpu;
8362
8363 cpup = phba->sli4_hba.cpu_map;
8364 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
8365 /* CPU must be online */
8366 if (cpu_online(cpu)) {
8367 if ((cpup->irq == LPFC_VECTOR_MAP_EMPTY) &&
8368 (lpfc_used_cpu[cpu] == LPFC_VECTOR_MAP_EMPTY) &&
8369 (cpup->phys_id == phys_id)) {
8370 return cpu;
8371 }
8372 }
8373 cpup++;
8374 }
8375
8376 /*
8377 * If we get here, we have used ALL CPUs for the specific
8378 * phys_id. Now we need to clear out lpfc_used_cpu and start
8379 * reusing CPUs.
8380 */
8381
8382 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
8383 if (lpfc_used_cpu[cpu] == phys_id)
8384 lpfc_used_cpu[cpu] = LPFC_VECTOR_MAP_EMPTY;
8385 }
8386
8387 cpup = phba->sli4_hba.cpu_map;
8388 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
8389 /* CPU must be online */
8390 if (cpu_online(cpu)) {
8391 if ((cpup->irq == LPFC_VECTOR_MAP_EMPTY) &&
8392 (cpup->phys_id == phys_id)) {
8393 return cpu;
8394 }
8395 }
8396 cpup++;
8397 }
8398 return LPFC_VECTOR_MAP_EMPTY;
8399}
8400
8401/**
8402 * lpfc_sli4_set_affinity - Set affinity for HBA IRQ vectors
8403 * @phba: pointer to lpfc hba data structure.
8404 * @vectors: number of HBA vectors
8405 *
8406 * Affinitize MSIX IRQ vectors to CPUs. Try to equally spread vector
8407 * affinization across multple physical CPUs (numa nodes).
8408 * In addition, this routine will assign an IO channel for each CPU
8409 * to use when issuing I/Os.
8410 */
8411static int
8412lpfc_sli4_set_affinity(struct lpfc_hba *phba, int vectors)
8413{
8414 int i, idx, saved_chann, used_chann, cpu, phys_id;
8415 int max_phys_id, num_io_channel, first_cpu;
8416 struct lpfc_vector_map_info *cpup;
8417#ifdef CONFIG_X86
8418 struct cpuinfo_x86 *cpuinfo;
8419#endif
8420 struct cpumask *mask;
8421 uint8_t chann[LPFC_FCP_IO_CHAN_MAX+1];
8422
8423 /* If there is no mapping, just return */
8424 if (!phba->cfg_fcp_cpu_map)
8425 return 1;
8426
8427 /* Init cpu_map array */
8428 memset(phba->sli4_hba.cpu_map, 0xff,
8429 (sizeof(struct lpfc_vector_map_info) *
8430 phba->sli4_hba.num_present_cpu));
8431
8432 max_phys_id = 0;
8433 phys_id = 0;
8434 num_io_channel = 0;
8435 first_cpu = LPFC_VECTOR_MAP_EMPTY;
8436
8437 /* Update CPU map with physical id and core id of each CPU */
8438 cpup = phba->sli4_hba.cpu_map;
8439 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
8440#ifdef CONFIG_X86
8441 cpuinfo = &cpu_data(cpu);
8442 cpup->phys_id = cpuinfo->phys_proc_id;
8443 cpup->core_id = cpuinfo->cpu_core_id;
8444#else
8445 /* No distinction between CPUs for other platforms */
8446 cpup->phys_id = 0;
8447 cpup->core_id = 0;
8448#endif
8449
8450 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8451 "3328 CPU physid %d coreid %d\n",
8452 cpup->phys_id, cpup->core_id);
8453
8454 if (cpup->phys_id > max_phys_id)
8455 max_phys_id = cpup->phys_id;
8456 cpup++;
8457 }
8458
8459 /* Now associate the HBA vectors with specific CPUs */
8460 for (idx = 0; idx < vectors; idx++) {
8461 cpup = phba->sli4_hba.cpu_map;
8462 cpu = lpfc_find_next_cpu(phba, phys_id);
8463 if (cpu == LPFC_VECTOR_MAP_EMPTY) {
8464
8465 /* Try for all phys_id's */
8466 for (i = 1; i < max_phys_id; i++) {
8467 phys_id++;
8468 if (phys_id > max_phys_id)
8469 phys_id = 0;
8470 cpu = lpfc_find_next_cpu(phba, phys_id);
8471 if (cpu == LPFC_VECTOR_MAP_EMPTY)
8472 continue;
8473 goto found;
8474 }
8475
8476 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8477 "3329 Cannot set affinity:"
8478 "Error mapping vector %d (%d)\n",
8479 idx, vectors);
8480 return 0;
8481 }
8482found:
8483 cpup += cpu;
8484 if (phba->cfg_fcp_cpu_map == LPFC_DRIVER_CPU_MAP)
8485 lpfc_used_cpu[cpu] = phys_id;
8486
8487 /* Associate vector with selected CPU */
8488 cpup->irq = phba->sli4_hba.msix_entries[idx].vector;
8489
8490 /* Associate IO channel with selected CPU */
8491 cpup->channel_id = idx;
8492 num_io_channel++;
8493
8494 if (first_cpu == LPFC_VECTOR_MAP_EMPTY)
8495 first_cpu = cpu;
8496
8497 /* Now affinitize to the selected CPU */
8498 mask = &cpup->maskbits;
8499 cpumask_clear(mask);
8500 cpumask_set_cpu(cpu, mask);
8501 i = irq_set_affinity_hint(phba->sli4_hba.msix_entries[idx].
8502 vector, mask);
8503
8504 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8505 "3330 Set Affinity: CPU %d channel %d "
8506 "irq %d (%x)\n",
8507 cpu, cpup->channel_id,
8508 phba->sli4_hba.msix_entries[idx].vector, i);
8509
8510 /* Spread vector mapping across multple physical CPU nodes */
8511 phys_id++;
8512 if (phys_id > max_phys_id)
8513 phys_id = 0;
8514 }
8515
8516 /*
8517 * Finally fill in the IO channel for any remaining CPUs.
8518 * At this point, all IO channels have been assigned to a specific
8519 * MSIx vector, mapped to a specific CPU.
8520 * Base the remaining IO channel assigned, to IO channels already
8521 * assigned to other CPUs on the same phys_id.
8522 */
8523 for (i = 0; i <= max_phys_id; i++) {
8524 /*
8525 * If there are no io channels already mapped to
8526 * this phys_id, just round robin thru the io_channels.
8527 * Setup chann[] for round robin.
8528 */
8529 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++)
8530 chann[idx] = idx;
8531
8532 saved_chann = 0;
8533 used_chann = 0;
8534
8535 /*
8536 * First build a list of IO channels already assigned
8537 * to this phys_id before reassigning the same IO
8538 * channels to the remaining CPUs.
8539 */
8540 cpup = phba->sli4_hba.cpu_map;
8541 cpu = first_cpu;
8542 cpup += cpu;
8543 for (idx = 0; idx < phba->sli4_hba.num_present_cpu;
8544 idx++) {
8545 if (cpup->phys_id == i) {
8546 /*
8547 * Save any IO channels that are
8548 * already mapped to this phys_id.
8549 */
8550 if (cpup->irq != LPFC_VECTOR_MAP_EMPTY) {
8551 chann[saved_chann] =
8552 cpup->channel_id;
8553 saved_chann++;
8554 goto out;
8555 }
8556
8557 /* See if we are using round-robin */
8558 if (saved_chann == 0)
8559 saved_chann =
8560 phba->cfg_fcp_io_channel;
8561
8562 /* Associate next IO channel with CPU */
8563 cpup->channel_id = chann[used_chann];
8564 num_io_channel++;
8565 used_chann++;
8566 if (used_chann == saved_chann)
8567 used_chann = 0;
8568
8569 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8570 "3331 Set IO_CHANN "
8571 "CPU %d channel %d\n",
8572 idx, cpup->channel_id);
8573 }
8574out:
8575 cpu++;
8576 if (cpu >= phba->sli4_hba.num_present_cpu) {
8577 cpup = phba->sli4_hba.cpu_map;
8578 cpu = 0;
8579 } else {
8580 cpup++;
8581 }
8582 }
8583 }
8584
8585 if (phba->sli4_hba.num_online_cpu != phba->sli4_hba.num_present_cpu) {
8586 cpup = phba->sli4_hba.cpu_map;
8587 for (idx = 0; idx < phba->sli4_hba.num_present_cpu; idx++) {
8588 if (cpup->channel_id == LPFC_VECTOR_MAP_EMPTY) {
8589 cpup->channel_id = 0;
8590 num_io_channel++;
8591
8592 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8593 "3332 Assign IO_CHANN "
8594 "CPU %d channel %d\n",
8595 idx, cpup->channel_id);
8596 }
8597 cpup++;
8598 }
8599 }
8600
8601 /* Sanity check */
8602 if (num_io_channel != phba->sli4_hba.num_present_cpu)
8603 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8604 "3333 Set affinity mismatch:"
8605 "%d chann != %d cpus: %d vactors\n",
8606 num_io_channel, phba->sli4_hba.num_present_cpu,
8607 vectors);
8608
8609 phba->cfg_fcp_io_sched = LPFC_FCP_SCHED_BY_CPU;
8610 return 1;
8611}
8612
8613
da0436e9
JS		 8614/**
8615 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
8616 * @phba: pointer to lpfc hba data structure.
8617 *
8618 * This routine is invoked to enable the MSI-X interrupt vectors to device
8619 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
8620 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
8621 * enables either all or nothing, depending on the current availability of
8622 * PCI vector resources. The device driver is responsible for calling the
8623 * individual request_irq() to register each MSI-X vector with a interrupt
8624 * handler, which is done in this function. Note that later when device is
8625 * unloading, the driver should always call free_irq() on all MSI-X vectors
8626 * it has done request_irq() on before calling pci_disable_msix(). Failure
8627 * to do so results in a BUG_ON() and a device will be left with MSI-X
8628 * enabled and leaks its vectors.
8629 *
8630 * Return codes
af901ca1 8631 * 0 - successful
da0436e9
JS		 8632 * other values - error
8633 **/
8634static int
8635lpfc_sli4_enable_msix(struct lpfc_hba *phba)
8636{
75baf696 8637 int vectors, rc, index;
da0436e9
JS		 8638
8639 /* Set up MSI-X multi-message vectors */
82c3e9ba 8640 for (index = 0; index < phba->cfg_fcp_io_channel; index++)
da0436e9
JS		 8641 phba->sli4_hba.msix_entries[index].entry = index;
8642
8643 /* Configure MSI-X capability structure */
82c3e9ba 8644 vectors = phba->cfg_fcp_io_channel;
75baf696 8645enable_msix_vectors:
da0436e9 8646 rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries,
75baf696
JS		 8647 vectors);
8648 if (rc > 1) {
8649 vectors = rc;
8650 goto enable_msix_vectors;
8651 } else if (rc) {
da0436e9
JS		 8652 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8653 "0484 PCI enable MSI-X failed (%d)\n", rc);
8654 goto msi_fail_out;
8655 }
75baf696 8656
da0436e9 8657 /* Log MSI-X vector assignment */
75baf696 8658 for (index = 0; index < vectors; index++)
da0436e9
JS		 8659 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8660 "0489 MSI-X entry[%d]: vector=x%x "
8661 "message=%d\n", index,
8662 phba->sli4_hba.msix_entries[index].vector,
8663 phba->sli4_hba.msix_entries[index].entry);
67d12733 8664
7bb03bbf 8665 /* Assign MSI-X vectors to interrupt handlers */
67d12733 8666 for (index = 0; index < vectors; index++) {
4305f183
JS		 8667 memset(&phba->sli4_hba.handler_name[index], 0, 16);
8668 sprintf((char *)&phba->sli4_hba.handler_name[index],
8669 LPFC_DRIVER_HANDLER_NAME"%d", index);
da0436e9 8670
67d12733
JS		 8671 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8672 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
ba20c853 8673 atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].fcp_eq_in_use, 1);
da0436e9 8674 rc = request_irq(phba->sli4_hba.msix_entries[index].vector,
67d12733 8675 &lpfc_sli4_hba_intr_handler, IRQF_SHARED,
4305f183 8676 (char *)&phba->sli4_hba.handler_name[index],
67d12733 8677 &phba->sli4_hba.fcp_eq_hdl[index]);
da0436e9
JS		 8678 if (rc) {
8679 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8680 "0486 MSI-X fast-path (%d) "
8681 "request_irq failed (%d)\n", index, rc);
8682 goto cfg_fail_out;
8683 }
8684 }
8685
82c3e9ba
JS		 8686 if (vectors != phba->cfg_fcp_io_channel) {
8687 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8688 "3238 Reducing IO channels to match number of "
8689 "MSI-X vectors, requested %d got %d\n",
8690 phba->cfg_fcp_io_channel, vectors);
8691 phba->cfg_fcp_io_channel = vectors;
8692 }
7bb03bbf
JS		 8693
8694 lpfc_sli4_set_affinity(phba, vectors);
da0436e9
JS		 8695 return rc;
8696
8697cfg_fail_out:
8698 /* free the irq already requested */
67d12733
JS		 8699 for (--index; index >= 0; index--)
8700 free_irq(phba->sli4_hba.msix_entries[index].vector,
8701 &phba->sli4_hba.fcp_eq_hdl[index]);
da0436e9
JS		 8702
8703msi_fail_out:
8704 /* Unconfigure MSI-X capability structure */
8705 pci_disable_msix(phba->pcidev);
8706 return rc;
8707}
8708
8709/**
8710 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
8711 * @phba: pointer to lpfc hba data structure.
8712 *
8713 * This routine is invoked to release the MSI-X vectors and then disable the
8714 * MSI-X interrupt mode to device with SLI-4 interface spec.
8715 **/
8716static void
8717lpfc_sli4_disable_msix(struct lpfc_hba *phba)
8718{
8719 int index;
8720
8721 /* Free up MSI-X multi-message vectors */
82c3e9ba 8722 for (index = 0; index < phba->cfg_fcp_io_channel; index++)
da0436e9 8723 free_irq(phba->sli4_hba.msix_entries[index].vector,
67d12733 8724 &phba->sli4_hba.fcp_eq_hdl[index]);
75baf696 8725
da0436e9
JS		 8726 /* Disable MSI-X */
8727 pci_disable_msix(phba->pcidev);
8728
8729 return;
8730}
8731
8732/**
8733 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
8734 * @phba: pointer to lpfc hba data structure.
8735 *
8736 * This routine is invoked to enable the MSI interrupt mode to device with
8737 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
8738 * to enable the MSI vector. The device driver is responsible for calling
8739 * the request_irq() to register MSI vector with a interrupt the handler,
8740 * which is done in this function.
8741 *
8742 * Return codes
af901ca1 8743 * 0 - successful
da0436e9
JS		 8744 * other values - error
8745 **/
8746static int
8747lpfc_sli4_enable_msi(struct lpfc_hba *phba)
8748{
8749 int rc, index;
8750
8751 rc = pci_enable_msi(phba->pcidev);
8752 if (!rc)
8753 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8754 "0487 PCI enable MSI mode success.\n");
8755 else {
8756 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8757 "0488 PCI enable MSI mode failed (%d)\n", rc);
8758 return rc;
8759 }
8760
8761 rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
8762 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8763 if (rc) {
8764 pci_disable_msi(phba->pcidev);
8765 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8766 "0490 MSI request_irq failed (%d)\n", rc);
75baf696 8767 return rc;
da0436e9
JS		 8768 }
8769
67d12733 8770 for (index = 0; index < phba->cfg_fcp_io_channel; index++) {
da0436e9
JS		 8771 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8772 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
8773 }
8774
75baf696 8775 return 0;
da0436e9
JS		 8776}
8777
8778/**
8779 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
8780 * @phba: pointer to lpfc hba data structure.
8781 *
8782 * This routine is invoked to disable the MSI interrupt mode to device with
8783 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
8784 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8785 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8786 * its vector.
8787 **/
8788static void
8789lpfc_sli4_disable_msi(struct lpfc_hba *phba)
8790{
8791 free_irq(phba->pcidev->irq, phba);
8792 pci_disable_msi(phba->pcidev);
8793 return;
8794}
8795
8796/**
8797 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
8798 * @phba: pointer to lpfc hba data structure.
8799 *
8800 * This routine is invoked to enable device interrupt and associate driver's
8801 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
8802 * interface spec. Depends on the interrupt mode configured to the driver,
8803 * the driver will try to fallback from the configured interrupt mode to an
8804 * interrupt mode which is supported by the platform, kernel, and device in
8805 * the order of:
8806 * MSI-X -> MSI -> IRQ.
8807 *
8808 * Return codes
af901ca1 8809 * 0 - successful
da0436e9
JS		 8810 * other values - error
8811 **/
8812static uint32_t
8813lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
8814{
8815 uint32_t intr_mode = LPFC_INTR_ERROR;
8816 int retval, index;
8817
8818 if (cfg_mode == 2) {
8819 /* Preparation before conf_msi mbox cmd */
8820 retval = 0;
8821 if (!retval) {
8822 /* Now, try to enable MSI-X interrupt mode */
8823 retval = lpfc_sli4_enable_msix(phba);
8824 if (!retval) {
8825 /* Indicate initialization to MSI-X mode */
8826 phba->intr_type = MSIX;
8827 intr_mode = 2;
8828 }
8829 }
8830 }
8831
8832 /* Fallback to MSI if MSI-X initialization failed */
8833 if (cfg_mode >= 1 && phba->intr_type == NONE) {
8834 retval = lpfc_sli4_enable_msi(phba);
8835 if (!retval) {
8836 /* Indicate initialization to MSI mode */
8837 phba->intr_type = MSI;
8838 intr_mode = 1;
8839 }
8840 }
8841
8842 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8843 if (phba->intr_type == NONE) {
8844 retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
8845 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8846 if (!retval) {
8847 /* Indicate initialization to INTx mode */
8848 phba->intr_type = INTx;
8849 intr_mode = 0;
67d12733 8850 for (index = 0; index < phba->cfg_fcp_io_channel;
da0436e9
JS		 8851 index++) {
8852 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8853 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
ba20c853
JS		 8854 atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].
8855 fcp_eq_in_use, 1);
da0436e9
JS		 8856 }
8857 }
8858 }
8859 return intr_mode;
8860}
8861
8862/**
8863 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
8864 * @phba: pointer to lpfc hba data structure.
8865 *
8866 * This routine is invoked to disable device interrupt and disassociate
8867 * the driver's interrupt handler(s) from interrupt vector(s) to device
8868 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
8869 * will release the interrupt vector(s) for the message signaled interrupt.
8870 **/
8871static void
8872lpfc_sli4_disable_intr(struct lpfc_hba *phba)
8873{
8874 /* Disable the currently initialized interrupt mode */
8875 if (phba->intr_type == MSIX)
8876 lpfc_sli4_disable_msix(phba);
8877 else if (phba->intr_type == MSI)
8878 lpfc_sli4_disable_msi(phba);
8879 else if (phba->intr_type == INTx)
8880 free_irq(phba->pcidev->irq, phba);
8881
8882 /* Reset interrupt management states */
8883 phba->intr_type = NONE;
8884 phba->sli.slistat.sli_intr = 0;
8885
8886 return;
8887}
8888
8889/**
8890 * lpfc_unset_hba - Unset SLI3 hba device initialization
8891 * @phba: pointer to lpfc hba data structure.
8892 *
8893 * This routine is invoked to unset the HBA device initialization steps to
8894 * a device with SLI-3 interface spec.
8895 **/
8896static void
8897lpfc_unset_hba(struct lpfc_hba *phba)
8898{
8899 struct lpfc_vport *vport = phba->pport;
8900 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
8901
8902 spin_lock_irq(shost->host_lock);
8903 vport->load_flag |= FC_UNLOADING;
8904 spin_unlock_irq(shost->host_lock);
8905
72859909
JS		 8906 kfree(phba->vpi_bmask);
8907 kfree(phba->vpi_ids);
8908
da0436e9
JS		 8909 lpfc_stop_hba_timers(phba);
8910
8911 phba->pport->work_port_events = 0;
8912
8913 lpfc_sli_hba_down(phba);
8914
8915 lpfc_sli_brdrestart(phba);
8916
8917 lpfc_sli_disable_intr(phba);
8918
8919 return;
8920}
8921
5af5eee7
JS		 8922/**
8923 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
8924 * @phba: Pointer to HBA context object.
8925 *
8926 * This function is called in the SLI4 code path to wait for completion
8927 * of device's XRIs exchange busy. It will check the XRI exchange busy
8928 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
8929 * that, it will check the XRI exchange busy on outstanding FCP and ELS
8930 * I/Os every 30 seconds, log error message, and wait forever. Only when
8931 * all XRI exchange busy complete, the driver unload shall proceed with
8932 * invoking the function reset ioctl mailbox command to the CNA and the
8933 * the rest of the driver unload resource release.
8934 **/
8935static void
8936lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba)
8937{
8938 int wait_time = 0;
8939 int fcp_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
8940 int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
8941
8942 while (!fcp_xri_cmpl || !els_xri_cmpl) {
8943 if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) {
8944 if (!fcp_xri_cmpl)
8945 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8946 "2877 FCP XRI exchange busy "
8947 "wait time: %d seconds.\n",
8948 wait_time/1000);
8949 if (!els_xri_cmpl)
8950 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8951 "2878 ELS XRI exchange busy "
8952 "wait time: %d seconds.\n",
8953 wait_time/1000);
8954 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2);
8955 wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2;
8956 } else {
8957 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1);
8958 wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1;
8959 }
8960 fcp_xri_cmpl =
8961 list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
8962 els_xri_cmpl =
8963 list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
8964 }
8965}
8966
da0436e9
JS		 8967/**
8968 * lpfc_sli4_hba_unset - Unset the fcoe hba
8969 * @phba: Pointer to HBA context object.
8970 *
8971 * This function is called in the SLI4 code path to reset the HBA's FCoE
8972 * function. The caller is not required to hold any lock. This routine
8973 * issues PCI function reset mailbox command to reset the FCoE function.
8974 * At the end of the function, it calls lpfc_hba_down_post function to
8975 * free any pending commands.
8976 **/
8977static void
8978lpfc_sli4_hba_unset(struct lpfc_hba *phba)
8979{
8980 int wait_cnt = 0;
8981 LPFC_MBOXQ_t *mboxq;
912e3acd 8982 struct pci_dev *pdev = phba->pcidev;
da0436e9
JS		 8983
8984 lpfc_stop_hba_timers(phba);
8985 phba->sli4_hba.intr_enable = 0;
8986
8987 /*
8988 * Gracefully wait out the potential current outstanding asynchronous
8989 * mailbox command.
8990 */
8991
8992 /* First, block any pending async mailbox command from posted */
8993 spin_lock_irq(&phba->hbalock);
8994 phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK;
8995 spin_unlock_irq(&phba->hbalock);
8996 /* Now, trying to wait it out if we can */
8997 while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
8998 msleep(10);
8999 if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT)
9000 break;
9001 }
9002 /* Forcefully release the outstanding mailbox command if timed out */
9003 if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
9004 spin_lock_irq(&phba->hbalock);
9005 mboxq = phba->sli.mbox_active;
9006 mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED;
9007 __lpfc_mbox_cmpl_put(phba, mboxq);
9008 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
9009 phba->sli.mbox_active = NULL;
9010 spin_unlock_irq(&phba->hbalock);
9011 }
9012
5af5eee7
JS		 9013 /* Abort all iocbs associated with the hba */
9014 lpfc_sli_hba_iocb_abort(phba);
9015
9016 /* Wait for completion of device XRI exchange busy */
9017 lpfc_sli4_xri_exchange_busy_wait(phba);
9018
da0436e9
JS		 9019 /* Disable PCI subsystem interrupt */
9020 lpfc_sli4_disable_intr(phba);
9021
912e3acd
JS		 9022 /* Disable SR-IOV if enabled */
9023 if (phba->cfg_sriov_nr_virtfn)
9024 pci_disable_sriov(pdev);
9025
da0436e9
JS		 9026 /* Stop kthread signal shall trigger work_done one more time */
9027 kthread_stop(phba->worker_thread);
9028
3677a3a7
JS		 9029 /* Reset SLI4 HBA FCoE function */
9030 lpfc_pci_function_reset(phba);
5350d872 9031 lpfc_sli4_queue_destroy(phba);
3677a3a7 9032
da0436e9
JS		 9033 /* Stop the SLI4 device port */
9034 phba->pport->work_port_events = 0;
9035}
9036
28baac74
JS		 9037 /**
9038 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
9039 * @phba: Pointer to HBA context object.
9040 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
9041 *
9042 * This function is called in the SLI4 code path to read the port's
9043 * sli4 capabilities.
9044 *
9045 * This function may be be called from any context that can block-wait
9046 * for the completion. The expectation is that this routine is called
9047 * typically from probe_one or from the online routine.
9048 **/
9049int
9050lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
9051{
9052 int rc;
9053 struct lpfc_mqe *mqe;
9054 struct lpfc_pc_sli4_params *sli4_params;
9055 uint32_t mbox_tmo;
9056
9057 rc = 0;
9058 mqe = &mboxq->u.mqe;
9059
9060 /* Read the port's SLI4 Parameters port capabilities */
fedd3b7b 9061 lpfc_pc_sli4_params(mboxq);
28baac74
JS		 9062 if (!phba->sli4_hba.intr_enable)
9063 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
9064 else {
a183a15f 9065 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
28baac74
JS		 9066 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
9067 }
9068
9069 if (unlikely(rc))
9070 return 1;
9071
9072 sli4_params = &phba->sli4_hba.pc_sli4_params;
9073 sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params);
9074 sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params);
9075 sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params);
9076 sli4_params->featurelevel_1 = bf_get(featurelevel_1,
9077 &mqe->un.sli4_params);
9078 sli4_params->featurelevel_2 = bf_get(featurelevel_2,
9079 &mqe->un.sli4_params);
9080 sli4_params->proto_types = mqe->un.sli4_params.word3;
9081 sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len;
9082 sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params);
9083 sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params);
9084 sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params);
9085 sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params);
9086 sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params);
9087 sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params);
9088 sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params);
9089 sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params);
9090 sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params);
9091 sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params);
9092 sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params);
9093 sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params);
9094 sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params);
9095 sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params);
9096 sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params);
9097 sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params);
9098 sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params);
9099 sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params);
9100 sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params);
0558056c
JS		 9101
9102 /* Make sure that sge_supp_len can be handled by the driver */
9103 if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
9104 sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
9105
28baac74
JS		 9106 return rc;
9107}
9108
fedd3b7b
JS		 9109/**
9110 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
9111 * @phba: Pointer to HBA context object.
9112 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
9113 *
9114 * This function is called in the SLI4 code path to read the port's
9115 * sli4 capabilities.
9116 *
9117 * This function may be be called from any context that can block-wait
9118 * for the completion. The expectation is that this routine is called
9119 * typically from probe_one or from the online routine.
9120 **/
9121int
9122lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
9123{
9124 int rc;
9125 struct lpfc_mqe *mqe = &mboxq->u.mqe;
9126 struct lpfc_pc_sli4_params *sli4_params;
a183a15f 9127 uint32_t mbox_tmo;
fedd3b7b
JS		 9128 int length;
9129 struct lpfc_sli4_parameters *mbx_sli4_parameters;
9130
6d368e53
JS		 9131 /*
9132 * By default, the driver assumes the SLI4 port requires RPI
9133 * header postings. The SLI4_PARAM response will correct this
9134 * assumption.
9135 */
9136 phba->sli4_hba.rpi_hdrs_in_use = 1;
9137
fedd3b7b
JS		 9138 /* Read the port's SLI4 Config Parameters */
9139 length = (sizeof(struct lpfc_mbx_get_sli4_parameters) -
9140 sizeof(struct lpfc_sli4_cfg_mhdr));
9141 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
9142 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS,
9143 length, LPFC_SLI4_MBX_EMBED);
9144 if (!phba->sli4_hba.intr_enable)
9145 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
a183a15f
JS		 9146 else {
9147 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
9148 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
9149 }
fedd3b7b
JS		 9150 if (unlikely(rc))
9151 return rc;
9152 sli4_params = &phba->sli4_hba.pc_sli4_params;
9153 mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters;
9154 sli4_params->if_type = bf_get(cfg_if_type, mbx_sli4_parameters);
9155 sli4_params->sli_rev = bf_get(cfg_sli_rev, mbx_sli4_parameters);
9156 sli4_params->sli_family = bf_get(cfg_sli_family, mbx_sli4_parameters);
9157 sli4_params->featurelevel_1 = bf_get(cfg_sli_hint_1,
9158 mbx_sli4_parameters);
9159 sli4_params->featurelevel_2 = bf_get(cfg_sli_hint_2,
9160 mbx_sli4_parameters);
9161 if (bf_get(cfg_phwq, mbx_sli4_parameters))
9162 phba->sli3_options |= LPFC_SLI4_PHWQ_ENABLED;
9163 else
9164 phba->sli3_options &= ~LPFC_SLI4_PHWQ_ENABLED;
9165 sli4_params->sge_supp_len = mbx_sli4_parameters->sge_supp_len;
9166 sli4_params->loopbk_scope = bf_get(loopbk_scope, mbx_sli4_parameters);
9167 sli4_params->cqv = bf_get(cfg_cqv, mbx_sli4_parameters);
9168 sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters);
9169 sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters);
9170 sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters);
9171 sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt,
9172 mbx_sli4_parameters);
9173 sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align,
9174 mbx_sli4_parameters);
6d368e53
JS		 9175 phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters);
9176 phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters);
0558056c
JS		 9177
9178 /* Make sure that sge_supp_len can be handled by the driver */
9179 if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
9180 sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
9181
fedd3b7b
JS		 9182 return 0;
9183}
9184
da0436e9
JS		 9185/**
9186 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
9187 * @pdev: pointer to PCI device
9188 * @pid: pointer to PCI device identifier
9189 *
9190 * This routine is to be called to attach a device with SLI-3 interface spec
9191 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
9192 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
9193 * information of the device and driver to see if the driver state that it can
9194 * support this kind of device. If the match is successful, the driver core
9195 * invokes this routine. If this routine determines it can claim the HBA, it
9196 * does all the initialization that it needs to do to handle the HBA properly.
9197 *
9198 * Return code
9199 * 0 - driver can claim the device
9200 * negative value - driver can not claim the device
9201 **/
6f039790 9202static int
da0436e9
JS		 9203lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid)
9204{
9205 struct lpfc_hba *phba;
9206 struct lpfc_vport *vport = NULL;
6669f9bb 9207 struct Scsi_Host *shost = NULL;
da0436e9
JS		 9208 int error;
9209 uint32_t cfg_mode, intr_mode;
9210
9211 /* Allocate memory for HBA structure */
9212 phba = lpfc_hba_alloc(pdev);
9213 if (!phba)
9214 return -ENOMEM;
9215
9216 /* Perform generic PCI device enabling operation */
9217 error = lpfc_enable_pci_dev(phba);
079b5c91 9218 if (error)
da0436e9 9219 goto out_free_phba;
da0436e9
JS		 9220
9221 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
9222 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP);
9223 if (error)
9224 goto out_disable_pci_dev;
9225
9226 /* Set up SLI-3 specific device PCI memory space */
9227 error = lpfc_sli_pci_mem_setup(phba);
9228 if (error) {
9229 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9230 "1402 Failed to set up pci memory space.\n");
9231 goto out_disable_pci_dev;
9232 }
9233
9234 /* Set up phase-1 common device driver resources */
9235 error = lpfc_setup_driver_resource_phase1(phba);
9236 if (error) {
9237 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9238 "1403 Failed to set up driver resource.\n");
9239 goto out_unset_pci_mem_s3;
9240 }
9241
9242 /* Set up SLI-3 specific device driver resources */
9243 error = lpfc_sli_driver_resource_setup(phba);
9244 if (error) {
9245 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9246 "1404 Failed to set up driver resource.\n");
9247 goto out_unset_pci_mem_s3;
9248 }
9249
9250 /* Initialize and populate the iocb list per host */
9251 error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT);
9252 if (error) {
9253 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9254 "1405 Failed to initialize iocb list.\n");
9255 goto out_unset_driver_resource_s3;
9256 }
9257
9258 /* Set up common device driver resources */
9259 error = lpfc_setup_driver_resource_phase2(phba);
9260 if (error) {
9261 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9262 "1406 Failed to set up driver resource.\n");
9263 goto out_free_iocb_list;
9264 }
9265
079b5c91
JS		 9266 /* Get the default values for Model Name and Description */
9267 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
9268
da0436e9
JS		 9269 /* Create SCSI host to the physical port */
9270 error = lpfc_create_shost(phba);
9271 if (error) {
9272 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9273 "1407 Failed to create scsi host.\n");
9274 goto out_unset_driver_resource;
9275 }
9276
9277 /* Configure sysfs attributes */
9278 vport = phba->pport;
9279 error = lpfc_alloc_sysfs_attr(vport);
9280 if (error) {
9281 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9282 "1476 Failed to allocate sysfs attr\n");
9283 goto out_destroy_shost;
9284 }
9285
6669f9bb 9286 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
da0436e9
JS		 9287 /* Now, trying to enable interrupt and bring up the device */
9288 cfg_mode = phba->cfg_use_msi;
9289 while (true) {
9290 /* Put device to a known state before enabling interrupt */
9291 lpfc_stop_port(phba);
9292 /* Configure and enable interrupt */
9293 intr_mode = lpfc_sli_enable_intr(phba, cfg_mode);
9294 if (intr_mode == LPFC_INTR_ERROR) {
9295 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9296 "0431 Failed to enable interrupt.\n");
9297 error = -ENODEV;
9298 goto out_free_sysfs_attr;
9299 }
9300 /* SLI-3 HBA setup */
9301 if (lpfc_sli_hba_setup(phba)) {
9302 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9303 "1477 Failed to set up hba\n");
9304 error = -ENODEV;
9305 goto out_remove_device;
9306 }
9307
9308 /* Wait 50ms for the interrupts of previous mailbox commands */
9309 msleep(50);
9310 /* Check active interrupts on message signaled interrupts */
9311 if (intr_mode == 0 ||
9312 phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) {
9313 /* Log the current active interrupt mode */
9314 phba->intr_mode = intr_mode;
9315 lpfc_log_intr_mode(phba, intr_mode);
9316 break;
9317 } else {
9318 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9319 "0447 Configure interrupt mode (%d) "
9320 "failed active interrupt test.\n",
9321 intr_mode);
9322 /* Disable the current interrupt mode */
9323 lpfc_sli_disable_intr(phba);
9324 /* Try next level of interrupt mode */
9325 cfg_mode = --intr_mode;
9326 }
9327 }
9328
9329 /* Perform post initialization setup */
9330 lpfc_post_init_setup(phba);
9331
9332 /* Check if there are static vports to be created. */
9333 lpfc_create_static_vport(phba);
9334
9335 return 0;
9336
9337out_remove_device:
9338 lpfc_unset_hba(phba);
9339out_free_sysfs_attr:
9340 lpfc_free_sysfs_attr(vport);
9341out_destroy_shost:
9342 lpfc_destroy_shost(phba);
9343out_unset_driver_resource:
9344 lpfc_unset_driver_resource_phase2(phba);
9345out_free_iocb_list:
9346 lpfc_free_iocb_list(phba);
9347out_unset_driver_resource_s3:
9348 lpfc_sli_driver_resource_unset(phba);
9349out_unset_pci_mem_s3:
9350 lpfc_sli_pci_mem_unset(phba);
9351out_disable_pci_dev:
9352 lpfc_disable_pci_dev(phba);
6669f9bb
JS		 9353 if (shost)
9354 scsi_host_put(shost);
da0436e9
JS		 9355out_free_phba:
9356 lpfc_hba_free(phba);
9357 return error;
9358}
9359
9360/**
9361 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
9362 * @pdev: pointer to PCI device
9363 *
9364 * This routine is to be called to disattach a device with SLI-3 interface
9365 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
9366 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9367 * device to be removed from the PCI subsystem properly.
9368 **/
6f039790 9369static void
da0436e9
JS		 9370lpfc_pci_remove_one_s3(struct pci_dev *pdev)
9371{
9372 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9373 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
9374 struct lpfc_vport **vports;
9375 struct lpfc_hba *phba = vport->phba;
9376 int i;
9377 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
9378
9379 spin_lock_irq(&phba->hbalock);
9380 vport->load_flag |= FC_UNLOADING;
9381 spin_unlock_irq(&phba->hbalock);
9382
9383 lpfc_free_sysfs_attr(vport);
9384
9385 /* Release all the vports against this physical port */
9386 vports = lpfc_create_vport_work_array(phba);
9387 if (vports != NULL)
587a37f6
JS		 9388 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
9389 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
9390 continue;
da0436e9 9391 fc_vport_terminate(vports[i]->fc_vport);
587a37f6 9392 }
da0436e9
JS		 9393 lpfc_destroy_vport_work_array(phba, vports);
9394
9395 /* Remove FC host and then SCSI host with the physical port */
9396 fc_remove_host(shost);
9397 scsi_remove_host(shost);
9398 lpfc_cleanup(vport);
9399
9400 /*
9401 * Bring down the SLI Layer. This step disable all interrupts,
9402 * clears the rings, discards all mailbox commands, and resets
9403 * the HBA.
9404 */
9405
48e34d0f 9406 /* HBA interrupt will be disabled after this call */
da0436e9
JS		 9407 lpfc_sli_hba_down(phba);
9408 /* Stop kthread signal shall trigger work_done one more time */
9409 kthread_stop(phba->worker_thread);
9410 /* Final cleanup of txcmplq and reset the HBA */
9411 lpfc_sli_brdrestart(phba);
9412
72859909
JS		 9413 kfree(phba->vpi_bmask);
9414 kfree(phba->vpi_ids);
9415
da0436e9
JS		 9416 lpfc_stop_hba_timers(phba);
9417 spin_lock_irq(&phba->hbalock);
9418 list_del_init(&vport->listentry);
9419 spin_unlock_irq(&phba->hbalock);
9420
9421 lpfc_debugfs_terminate(vport);
9422
912e3acd
JS		 9423 /* Disable SR-IOV if enabled */
9424 if (phba->cfg_sriov_nr_virtfn)
9425 pci_disable_sriov(pdev);
9426
da0436e9
JS		 9427 /* Disable interrupt */
9428 lpfc_sli_disable_intr(phba);
9429
9430 pci_set_drvdata(pdev, NULL);
9431 scsi_host_put(shost);
9432
9433 /*
9434 * Call scsi_free before mem_free since scsi bufs are released to their
9435 * corresponding pools here.
9436 */
9437 lpfc_scsi_free(phba);
9438 lpfc_mem_free_all(phba);
9439
9440 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
9441 phba->hbqslimp.virt, phba->hbqslimp.phys);
9442
9443 /* Free resources associated with SLI2 interface */
9444 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
9445 phba->slim2p.virt, phba->slim2p.phys);
9446
9447 /* unmap adapter SLIM and Control Registers */
9448 iounmap(phba->ctrl_regs_memmap_p);
9449 iounmap(phba->slim_memmap_p);
9450
9451 lpfc_hba_free(phba);
9452
9453 pci_release_selected_regions(pdev, bars);
9454 pci_disable_device(pdev);
9455}
9456
9457/**
9458 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
9459 * @pdev: pointer to PCI device
9460 * @msg: power management message
9461 *
9462 * This routine is to be called from the kernel's PCI subsystem to support
9463 * system Power Management (PM) to device with SLI-3 interface spec. When
9464 * PM invokes this method, it quiesces the device by stopping the driver's
9465 * worker thread for the device, turning off device's interrupt and DMA,
9466 * and bring the device offline. Note that as the driver implements the
9467 * minimum PM requirements to a power-aware driver's PM support for the
9468 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9469 * to the suspend() method call will be treated as SUSPEND and the driver will
9470 * fully reinitialize its device during resume() method call, the driver will
9471 * set device to PCI_D3hot state in PCI config space instead of setting it
9472 * according to the @msg provided by the PM.
9473 *
9474 * Return code
9475 * 0 - driver suspended the device
9476 * Error otherwise
9477 **/
9478static int
9479lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg)
9480{
9481 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9482 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9483
9484 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9485 "0473 PCI device Power Management suspend.\n");
9486
9487 /* Bring down the device */
618a5230 9488 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
da0436e9
JS		 9489 lpfc_offline(phba);
9490 kthread_stop(phba->worker_thread);
9491
9492 /* Disable interrupt from device */
9493 lpfc_sli_disable_intr(phba);
9494
9495 /* Save device state to PCI config space */
9496 pci_save_state(pdev);
9497 pci_set_power_state(pdev, PCI_D3hot);
9498
9499 return 0;
9500}
9501
9502/**
9503 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
9504 * @pdev: pointer to PCI device
9505 *
9506 * This routine is to be called from the kernel's PCI subsystem to support
9507 * system Power Management (PM) to device with SLI-3 interface spec. When PM
9508 * invokes this method, it restores the device's PCI config space state and
9509 * fully reinitializes the device and brings it online. Note that as the
9510 * driver implements the minimum PM requirements to a power-aware driver's
9511 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
9512 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
9513 * driver will fully reinitialize its device during resume() method call,
9514 * the device will be set to PCI_D0 directly in PCI config space before
9515 * restoring the state.
9516 *
9517 * Return code
9518 * 0 - driver suspended the device
9519 * Error otherwise
9520 **/
9521static int
9522lpfc_pci_resume_one_s3(struct pci_dev *pdev)
9523{
9524 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9525 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9526 uint32_t intr_mode;
9527 int error;
9528
9529 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9530 "0452 PCI device Power Management resume.\n");
9531
9532 /* Restore device state from PCI config space */
9533 pci_set_power_state(pdev, PCI_D0);
9534 pci_restore_state(pdev);
0d878419 9535
1dfb5a47
JS		 9536 /*
9537 * As the new kernel behavior of pci_restore_state() API call clears
9538 * device saved_state flag, need to save the restored state again.
9539 */
9540 pci_save_state(pdev);
9541
da0436e9
JS		 9542 if (pdev->is_busmaster)
9543 pci_set_master(pdev);
9544
9545 /* Startup the kernel thread for this host adapter. */
9546 phba->worker_thread = kthread_run(lpfc_do_work, phba,
9547 "lpfc_worker_%d", phba->brd_no);
9548 if (IS_ERR(phba->worker_thread)) {
9549 error = PTR_ERR(phba->worker_thread);
9550 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9551 "0434 PM resume failed to start worker "
9552 "thread: error=x%x.\n", error);
9553 return error;
9554 }
9555
9556 /* Configure and enable interrupt */
9557 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
9558 if (intr_mode == LPFC_INTR_ERROR) {
9559 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9560 "0430 PM resume Failed to enable interrupt\n");
9561 return -EIO;
9562 } else
9563 phba->intr_mode = intr_mode;
9564
9565 /* Restart HBA and bring it online */
9566 lpfc_sli_brdrestart(phba);
9567 lpfc_online(phba);
9568
9569 /* Log the current active interrupt mode */
9570 lpfc_log_intr_mode(phba, phba->intr_mode);
9571
9572 return 0;
9573}
9574
891478a2
JS		 9575/**
9576 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
9577 * @phba: pointer to lpfc hba data structure.
9578 *
9579 * This routine is called to prepare the SLI3 device for PCI slot recover. It
e2af0d2e 9580 * aborts all the outstanding SCSI I/Os to the pci device.
891478a2
JS		 9581 **/
9582static void
9583lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba)
9584{
e2af0d2e
JS		 9585 struct lpfc_sli *psli = &phba->sli;
9586 struct lpfc_sli_ring *pring;
9587
891478a2
JS		 9588 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9589 "2723 PCI channel I/O abort preparing for recovery\n");
e2af0d2e
JS		 9590
9591 /*
9592 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9593 * and let the SCSI mid-layer to retry them to recover.
9594 */
9595 pring = &psli->ring[psli->fcp_ring];
9596 lpfc_sli_abort_iocb_ring(phba, pring);
891478a2
JS		 9597}
9598
0d878419
JS		 9599/**
9600 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
9601 * @phba: pointer to lpfc hba data structure.
9602 *
9603 * This routine is called to prepare the SLI3 device for PCI slot reset. It
9604 * disables the device interrupt and pci device, and aborts the internal FCP
9605 * pending I/Os.
9606 **/
9607static void
9608lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba)
9609{
0d878419 9610 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
891478a2 9611 "2710 PCI channel disable preparing for reset\n");
e2af0d2e 9612
75baf696 9613 /* Block any management I/Os to the device */
618a5230 9614 lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
75baf696 9615
e2af0d2e
JS		 9616 /* Block all SCSI devices' I/Os on the host */
9617 lpfc_scsi_dev_block(phba);
9618
ea714f3d
JS		 9619 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9620 lpfc_sli_flush_fcp_rings(phba);
9621
e2af0d2e
JS		 9622 /* stop all timers */
9623 lpfc_stop_hba_timers(phba);
9624
0d878419
JS		 9625 /* Disable interrupt and pci device */
9626 lpfc_sli_disable_intr(phba);
9627 pci_disable_device(phba->pcidev);
0d878419
JS		 9628}
9629
9630/**
9631 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
9632 * @phba: pointer to lpfc hba data structure.
9633 *
9634 * This routine is called to prepare the SLI3 device for PCI slot permanently
9635 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9636 * pending I/Os.
9637 **/
9638static void
75baf696 9639lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba)
0d878419
JS		 9640{
9641 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
891478a2 9642 "2711 PCI channel permanent disable for failure\n");
e2af0d2e
JS		 9643 /* Block all SCSI devices' I/Os on the host */
9644 lpfc_scsi_dev_block(phba);
9645
9646 /* stop all timers */
9647 lpfc_stop_hba_timers(phba);
9648
0d878419
JS		 9649 /* Clean up all driver's outstanding SCSI I/Os */
9650 lpfc_sli_flush_fcp_rings(phba);
9651}
9652
da0436e9
JS		 9653/**
9654 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
9655 * @pdev: pointer to PCI device.
9656 * @state: the current PCI connection state.
9657 *
9658 * This routine is called from the PCI subsystem for I/O error handling to
9659 * device with SLI-3 interface spec. This function is called by the PCI
9660 * subsystem after a PCI bus error affecting this device has been detected.
9661 * When this function is invoked, it will need to stop all the I/Os and
9662 * interrupt(s) to the device. Once that is done, it will return
9663 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
9664 * as desired.
9665 *
9666 * Return codes
0d878419 9667 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
da0436e9
JS		 9668 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9669 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9670 **/
9671static pci_ers_result_t
9672lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state)
9673{
9674 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9675 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
da0436e9 9676
0d878419
JS		 9677 switch (state) {
9678 case pci_channel_io_normal:
891478a2
JS		 9679 /* Non-fatal error, prepare for recovery */
9680 lpfc_sli_prep_dev_for_recover(phba);
0d878419
JS		 9681 return PCI_ERS_RESULT_CAN_RECOVER;
9682 case pci_channel_io_frozen:
9683 /* Fatal error, prepare for slot reset */
9684 lpfc_sli_prep_dev_for_reset(phba);
9685 return PCI_ERS_RESULT_NEED_RESET;
9686 case pci_channel_io_perm_failure:
9687 /* Permanent failure, prepare for device down */
75baf696 9688 lpfc_sli_prep_dev_for_perm_failure(phba);
da0436e9 9689 return PCI_ERS_RESULT_DISCONNECT;
0d878419
JS		 9690 default:
9691 /* Unknown state, prepare and request slot reset */
9692 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9693 "0472 Unknown PCI error state: x%x\n", state);
9694 lpfc_sli_prep_dev_for_reset(phba);
9695 return PCI_ERS_RESULT_NEED_RESET;
da0436e9 9696 }
da0436e9
JS		 9697}
9698
9699/**
9700 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
9701 * @pdev: pointer to PCI device.
9702 *
9703 * This routine is called from the PCI subsystem for error handling to
9704 * device with SLI-3 interface spec. This is called after PCI bus has been
9705 * reset to restart the PCI card from scratch, as if from a cold-boot.
9706 * During the PCI subsystem error recovery, after driver returns
9707 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
9708 * recovery and then call this routine before calling the .resume method
9709 * to recover the device. This function will initialize the HBA device,
9710 * enable the interrupt, but it will just put the HBA to offline state
9711 * without passing any I/O traffic.
9712 *
9713 * Return codes
9714 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9715 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9716 */
9717static pci_ers_result_t
9718lpfc_io_slot_reset_s3(struct pci_dev *pdev)
9719{
9720 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9721 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9722 struct lpfc_sli *psli = &phba->sli;
9723 uint32_t intr_mode;
9724
9725 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
9726 if (pci_enable_device_mem(pdev)) {
9727 printk(KERN_ERR "lpfc: Cannot re-enable "
9728 "PCI device after reset.\n");
9729 return PCI_ERS_RESULT_DISCONNECT;
9730 }
9731
9732 pci_restore_state(pdev);
1dfb5a47
JS		 9733
9734 /*
9735 * As the new kernel behavior of pci_restore_state() API call clears
9736 * device saved_state flag, need to save the restored state again.
9737 */
9738 pci_save_state(pdev);
9739
da0436e9
JS		 9740 if (pdev->is_busmaster)
9741 pci_set_master(pdev);
9742
9743 spin_lock_irq(&phba->hbalock);
9744 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
9745 spin_unlock_irq(&phba->hbalock);
9746
9747 /* Configure and enable interrupt */
9748 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
9749 if (intr_mode == LPFC_INTR_ERROR) {
9750 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9751 "0427 Cannot re-enable interrupt after "
9752 "slot reset.\n");
9753 return PCI_ERS_RESULT_DISCONNECT;
9754 } else
9755 phba->intr_mode = intr_mode;
9756
75baf696 9757 /* Take device offline, it will perform cleanup */
618a5230 9758 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
da0436e9
JS		 9759 lpfc_offline(phba);
9760 lpfc_sli_brdrestart(phba);
9761
9762 /* Log the current active interrupt mode */
9763 lpfc_log_intr_mode(phba, phba->intr_mode);
9764
9765 return PCI_ERS_RESULT_RECOVERED;
9766}
9767
9768/**
9769 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
9770 * @pdev: pointer to PCI device
9771 *
9772 * This routine is called from the PCI subsystem for error handling to device
9773 * with SLI-3 interface spec. It is called when kernel error recovery tells
9774 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
9775 * error recovery. After this call, traffic can start to flow from this device
9776 * again.
9777 */
9778static void
9779lpfc_io_resume_s3(struct pci_dev *pdev)
9780{
9781 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9782 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3772a991 9783
e2af0d2e 9784 /* Bring device online, it will be no-op for non-fatal error resume */
da0436e9 9785 lpfc_online(phba);
0d878419
JS		 9786
9787 /* Clean up Advanced Error Reporting (AER) if needed */
9788 if (phba->hba_flag & HBA_AER_ENABLED)
9789 pci_cleanup_aer_uncorrect_error_status(pdev);
da0436e9 9790}
3772a991 9791
da0436e9
JS		 9792/**
9793 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
9794 * @phba: pointer to lpfc hba data structure.
9795 *
9796 * returns the number of ELS/CT IOCBs to reserve
9797 **/
9798int
9799lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba)
9800{
9801 int max_xri = phba->sli4_hba.max_cfg_param.max_xri;
9802
f1126688
JS		 9803 if (phba->sli_rev == LPFC_SLI_REV4) {
9804 if (max_xri <= 100)
6a9c52cf 9805 return 10;
f1126688 9806 else if (max_xri <= 256)
6a9c52cf 9807 return 25;
f1126688 9808 else if (max_xri <= 512)
6a9c52cf 9809 return 50;
f1126688 9810 else if (max_xri <= 1024)
6a9c52cf 9811 return 100;
8a9d2e80 9812 else if (max_xri <= 1536)
6a9c52cf 9813 return 150;
8a9d2e80
JS		 9814 else if (max_xri <= 2048)
9815 return 200;
9816 else
9817 return 250;
f1126688
JS		 9818 } else
9819 return 0;
3772a991
JS		 9820}
9821
52d52440
JS		 9822/**
9823 * lpfc_write_firmware - attempt to write a firmware image to the port
52d52440 9824 * @fw: pointer to firmware image returned from request_firmware.
ce396282 9825 * @phba: pointer to lpfc hba data structure.
52d52440 9826 *
52d52440 9827 **/
ce396282
JS		 9828static void
9829lpfc_write_firmware(const struct firmware *fw, void *context)
52d52440 9830{
ce396282 9831 struct lpfc_hba *phba = (struct lpfc_hba *)context;
6b5151fd 9832 char fwrev[FW_REV_STR_SIZE];
ce396282 9833 struct lpfc_grp_hdr *image;
52d52440
JS		 9834 struct list_head dma_buffer_list;
9835 int i, rc = 0;
9836 struct lpfc_dmabuf *dmabuf, *next;
9837 uint32_t offset = 0, temp_offset = 0;
9838
c71ab861 9839 /* It can be null in no-wait mode, sanity check */
ce396282
JS		 9840 if (!fw) {
9841 rc = -ENXIO;
9842 goto out;
9843 }
9844 image = (struct lpfc_grp_hdr *)fw->data;
9845
52d52440 9846 INIT_LIST_HEAD(&dma_buffer_list);
079b5c91
JS		 9847 if ((be32_to_cpu(image->magic_number) != LPFC_GROUP_OJECT_MAGIC_NUM) ||
9848 (bf_get_be32(lpfc_grp_hdr_file_type, image) !=
9849 LPFC_FILE_TYPE_GROUP) ||
9850 (bf_get_be32(lpfc_grp_hdr_id, image) != LPFC_FILE_ID_GROUP) ||
9851 (be32_to_cpu(image->size) != fw->size)) {
52d52440
JS		 9852 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9853 "3022 Invalid FW image found. "
079b5c91
JS		 9854 "Magic:%x Type:%x ID:%x\n",
9855 be32_to_cpu(image->magic_number),
9856 bf_get_be32(lpfc_grp_hdr_file_type, image),
9857 bf_get_be32(lpfc_grp_hdr_id, image));
ce396282
JS		 9858 rc = -EINVAL;
9859 goto release_out;
52d52440
JS		 9860 }
9861 lpfc_decode_firmware_rev(phba, fwrev, 1);
88a2cfbb 9862 if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) {
52d52440 9863 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
ce396282 9864 "3023 Updating Firmware, Current Version:%s "
52d52440 9865 "New Version:%s\n",
88a2cfbb 9866 fwrev, image->revision);
52d52440
JS		 9867 for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) {
9868 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf),
9869 GFP_KERNEL);
9870 if (!dmabuf) {
9871 rc = -ENOMEM;
ce396282 9872 goto release_out;
52d52440
JS		 9873 }
9874 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
9875 SLI4_PAGE_SIZE,
9876 &dmabuf->phys,
9877 GFP_KERNEL);
9878 if (!dmabuf->virt) {
9879 kfree(dmabuf);
9880 rc = -ENOMEM;
ce396282 9881 goto release_out;
52d52440
JS		 9882 }
9883 list_add_tail(&dmabuf->list, &dma_buffer_list);
9884 }
9885 while (offset < fw->size) {
9886 temp_offset = offset;
9887 list_for_each_entry(dmabuf, &dma_buffer_list, list) {
079b5c91 9888 if (temp_offset + SLI4_PAGE_SIZE > fw->size) {
52d52440
JS		 9889 memcpy(dmabuf->virt,
9890 fw->data + temp_offset,
079b5c91
JS		 9891 fw->size - temp_offset);
9892 temp_offset = fw->size;
52d52440
JS		 9893 break;
9894 }
52d52440
JS		 9895 memcpy(dmabuf->virt, fw->data + temp_offset,
9896 SLI4_PAGE_SIZE);
88a2cfbb 9897 temp_offset += SLI4_PAGE_SIZE;
52d52440
JS		 9898 }
9899 rc = lpfc_wr_object(phba, &dma_buffer_list,
9900 (fw->size - offset), &offset);
ce396282
JS		 9901 if (rc)
9902 goto release_out;
52d52440
JS		 9903 }
9904 rc = offset;
9905 }
ce396282
JS		 9906
9907release_out:
52d52440
JS		 9908 list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) {
9909 list_del(&dmabuf->list);
9910 dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
9911 dmabuf->virt, dmabuf->phys);
9912 kfree(dmabuf);
9913 }
ce396282
JS		 9914 release_firmware(fw);
9915out:
9916 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
c71ab861 9917 "3024 Firmware update done: %d.\n", rc);
ce396282 9918 return;
52d52440
JS		 9919}
9920
c71ab861
JS		 9921/**
9922 * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade
9923 * @phba: pointer to lpfc hba data structure.
9924 *
9925 * This routine is called to perform Linux generic firmware upgrade on device
9926 * that supports such feature.
9927 **/
9928int
9929lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade)
9930{
9931 uint8_t file_name[ELX_MODEL_NAME_SIZE];
9932 int ret;
9933 const struct firmware *fw;
9934
9935 /* Only supported on SLI4 interface type 2 for now */
9936 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
9937 LPFC_SLI_INTF_IF_TYPE_2)
9938 return -EPERM;
9939
9940 snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp", phba->ModelName);
9941
9942 if (fw_upgrade == INT_FW_UPGRADE) {
9943 ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
9944 file_name, &phba->pcidev->dev,
9945 GFP_KERNEL, (void *)phba,
9946 lpfc_write_firmware);
9947 } else if (fw_upgrade == RUN_FW_UPGRADE) {
9948 ret = request_firmware(&fw, file_name, &phba->pcidev->dev);
9949 if (!ret)
9950 lpfc_write_firmware(fw, (void *)phba);
9951 } else {
9952 ret = -EINVAL;
9953 }
9954
9955 return ret;
9956}
9957
3772a991 9958/**
da0436e9 9959 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
3772a991
JS		 9960 * @pdev: pointer to PCI device
9961 * @pid: pointer to PCI device identifier
9962 *
da0436e9
JS		 9963 * This routine is called from the kernel's PCI subsystem to device with
9964 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
3772a991 9965 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
da0436e9
JS		 9966 * information of the device and driver to see if the driver state that it
9967 * can support this kind of device. If the match is successful, the driver
9968 * core invokes this routine. If this routine determines it can claim the HBA,
9969 * it does all the initialization that it needs to do to handle the HBA
9970 * properly.
3772a991
JS		 9971 *
9972 * Return code
9973 * 0 - driver can claim the device
9974 * negative value - driver can not claim the device
9975 **/
6f039790 9976static int
da0436e9 9977lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
3772a991
JS		 9978{
9979 struct lpfc_hba *phba;
9980 struct lpfc_vport *vport = NULL;
6669f9bb 9981 struct Scsi_Host *shost = NULL;
ce396282 9982 int error, ret;
3772a991 9983 uint32_t cfg_mode, intr_mode;
67d12733 9984 int adjusted_fcp_io_channel;
3772a991
JS		 9985
9986 /* Allocate memory for HBA structure */
9987 phba = lpfc_hba_alloc(pdev);
9988 if (!phba)
9989 return -ENOMEM;
9990
9991 /* Perform generic PCI device enabling operation */
9992 error = lpfc_enable_pci_dev(phba);
079b5c91 9993 if (error)
3772a991 9994 goto out_free_phba;
3772a991 9995
da0436e9
JS		 9996 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
9997 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC);
3772a991
JS		 9998 if (error)
9999 goto out_disable_pci_dev;
10000
da0436e9
JS		 10001 /* Set up SLI-4 specific device PCI memory space */
10002 error = lpfc_sli4_pci_mem_setup(phba);
3772a991
JS		 10003 if (error) {
10004 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10005 "1410 Failed to set up pci memory space.\n");
3772a991
JS		 10006 goto out_disable_pci_dev;
10007 }
10008
10009 /* Set up phase-1 common device driver resources */
10010 error = lpfc_setup_driver_resource_phase1(phba);
10011 if (error) {
10012 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 10013 "1411 Failed to set up driver resource.\n");
10014 goto out_unset_pci_mem_s4;
3772a991
JS		 10015 }
10016
da0436e9
JS		 10017 /* Set up SLI-4 Specific device driver resources */
10018 error = lpfc_sli4_driver_resource_setup(phba);
3772a991
JS		 10019 if (error) {
10020 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 10021 "1412 Failed to set up driver resource.\n");
10022 goto out_unset_pci_mem_s4;
3772a991
JS		 10023 }
10024
10025 /* Initialize and populate the iocb list per host */
2a9bf3d0
JS		 10026
10027 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
10028 "2821 initialize iocb list %d.\n",
10029 phba->cfg_iocb_cnt*1024);
10030 error = lpfc_init_iocb_list(phba, phba->cfg_iocb_cnt*1024);
10031
3772a991
JS		 10032 if (error) {
10033 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 10034 "1413 Failed to initialize iocb list.\n");
10035 goto out_unset_driver_resource_s4;
3772a991
JS		 10036 }
10037
19ca7609 10038 INIT_LIST_HEAD(&phba->active_rrq_list);
7d791df7 10039 INIT_LIST_HEAD(&phba->fcf.fcf_pri_list);
19ca7609 10040
3772a991
JS		 10041 /* Set up common device driver resources */
10042 error = lpfc_setup_driver_resource_phase2(phba);
10043 if (error) {
10044 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10045 "1414 Failed to set up driver resource.\n");
3772a991
JS		 10046 goto out_free_iocb_list;
10047 }
10048
079b5c91
JS		 10049 /* Get the default values for Model Name and Description */
10050 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
10051
3772a991
JS		 10052 /* Create SCSI host to the physical port */
10053 error = lpfc_create_shost(phba);
10054 if (error) {
10055 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10056 "1415 Failed to create scsi host.\n");
3772a991
JS		 10057 goto out_unset_driver_resource;
10058 }
9399627f 10059
5b75da2f 10060 /* Configure sysfs attributes */
3772a991
JS		 10061 vport = phba->pport;
10062 error = lpfc_alloc_sysfs_attr(vport);
10063 if (error) {
9399627f 10064 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10065 "1416 Failed to allocate sysfs attr\n");
3772a991 10066 goto out_destroy_shost;
98c9ea5c 10067 }
875fbdfe 10068
6669f9bb 10069 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
3772a991 10070 /* Now, trying to enable interrupt and bring up the device */
5b75da2f 10071 cfg_mode = phba->cfg_use_msi;
5b75da2f 10072
7b15db32
JS		 10073 /* Put device to a known state before enabling interrupt */
10074 lpfc_stop_port(phba);
10075 /* Configure and enable interrupt */
10076 intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode);
10077 if (intr_mode == LPFC_INTR_ERROR) {
10078 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10079 "0426 Failed to enable interrupt.\n");
10080 error = -ENODEV;
10081 goto out_free_sysfs_attr;
10082 }
10083 /* Default to single EQ for non-MSI-X */
10084 if (phba->intr_type != MSIX)
10085 adjusted_fcp_io_channel = 1;
10086 else
10087 adjusted_fcp_io_channel = phba->cfg_fcp_io_channel;
10088 phba->cfg_fcp_io_channel = adjusted_fcp_io_channel;
10089 /* Set up SLI-4 HBA */
10090 if (lpfc_sli4_hba_setup(phba)) {
10091 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10092 "1421 Failed to set up hba\n");
10093 error = -ENODEV;
10094 goto out_disable_intr;
98c9ea5c 10095 }
858c9f6c 10096
7b15db32
JS		 10097 /* Log the current active interrupt mode */
10098 phba->intr_mode = intr_mode;
10099 lpfc_log_intr_mode(phba, intr_mode);
10100
3772a991
JS		 10101 /* Perform post initialization setup */
10102 lpfc_post_init_setup(phba);
dea3101e 10103
c71ab861
JS		 10104 /* check for firmware upgrade or downgrade */
10105 if (phba->cfg_request_firmware_upgrade)
10106 ret = lpfc_sli4_request_firmware_update(phba, INT_FW_UPGRADE);
52d52440 10107
1c6834a7
JS		 10108 /* Check if there are static vports to be created. */
10109 lpfc_create_static_vport(phba);
dea3101e 10110 return 0;
10111
da0436e9
JS		 10112out_disable_intr:
10113 lpfc_sli4_disable_intr(phba);
5b75da2f
JS		 10114out_free_sysfs_attr:
10115 lpfc_free_sysfs_attr(vport);
3772a991
JS		 10116out_destroy_shost:
10117 lpfc_destroy_shost(phba);
10118out_unset_driver_resource:
10119 lpfc_unset_driver_resource_phase2(phba);
10120out_free_iocb_list:
10121 lpfc_free_iocb_list(phba);
da0436e9
JS		 10122out_unset_driver_resource_s4:
10123 lpfc_sli4_driver_resource_unset(phba);
10124out_unset_pci_mem_s4:
10125 lpfc_sli4_pci_mem_unset(phba);
3772a991
JS		 10126out_disable_pci_dev:
10127 lpfc_disable_pci_dev(phba);
6669f9bb
JS		 10128 if (shost)
10129 scsi_host_put(shost);
2e0fef85 10130out_free_phba:
3772a991 10131 lpfc_hba_free(phba);
dea3101e 10132 return error;
10133}
10134
e59058c4 10135/**
da0436e9 10136 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
e59058c4
JS		 10137 * @pdev: pointer to PCI device
10138 *
da0436e9
JS		 10139 * This routine is called from the kernel's PCI subsystem to device with
10140 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
3772a991
JS		 10141 * removed from PCI bus, it performs all the necessary cleanup for the HBA
10142 * device to be removed from the PCI subsystem properly.
e59058c4 10143 **/
6f039790 10144static void
da0436e9 10145lpfc_pci_remove_one_s4(struct pci_dev *pdev)
dea3101e 10146{
da0436e9 10147 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2e0fef85 10148 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
eada272d 10149 struct lpfc_vport **vports;
da0436e9 10150 struct lpfc_hba *phba = vport->phba;
eada272d 10151 int i;
8a4df120 10152
da0436e9 10153 /* Mark the device unloading flag */
549e55cd 10154 spin_lock_irq(&phba->hbalock);
51ef4c26 10155 vport->load_flag |= FC_UNLOADING;
549e55cd 10156 spin_unlock_irq(&phba->hbalock);
2e0fef85 10157
da0436e9 10158 /* Free the HBA sysfs attributes */
858c9f6c
JS		 10159 lpfc_free_sysfs_attr(vport);
10160
eada272d
JS		 10161 /* Release all the vports against this physical port */
10162 vports = lpfc_create_vport_work_array(phba);
10163 if (vports != NULL)
587a37f6
JS		 10164 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
10165 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
10166 continue;
eada272d 10167 fc_vport_terminate(vports[i]->fc_vport);
587a37f6 10168 }
eada272d
JS		 10169 lpfc_destroy_vport_work_array(phba, vports);
10170
10171 /* Remove FC host and then SCSI host with the physical port */
858c9f6c
JS		 10172 fc_remove_host(shost);
10173 scsi_remove_host(shost);
da0436e9
JS		 10174
10175 /* Perform cleanup on the physical port */
87af33fe
JS		 10176 lpfc_cleanup(vport);
10177
2e0fef85 10178 /*
da0436e9 10179 * Bring down the SLI Layer. This step disables all interrupts,
2e0fef85 10180 * clears the rings, discards all mailbox commands, and resets
da0436e9 10181 * the HBA FCoE function.
2e0fef85 10182 */
da0436e9
JS		 10183 lpfc_debugfs_terminate(vport);
10184 lpfc_sli4_hba_unset(phba);
a257bf90 10185
858c9f6c
JS		 10186 spin_lock_irq(&phba->hbalock);
10187 list_del_init(&vport->listentry);
10188 spin_unlock_irq(&phba->hbalock);
10189
3677a3a7 10190 /* Perform scsi free before driver resource_unset since scsi
da0436e9 10191 * buffers are released to their corresponding pools here.
2e0fef85
JS		 10192 */
10193 lpfc_scsi_free(phba);
67d12733 10194
da0436e9 10195 lpfc_sli4_driver_resource_unset(phba);
ed957684 10196
da0436e9
JS		 10197 /* Unmap adapter Control and Doorbell registers */
10198 lpfc_sli4_pci_mem_unset(phba);
2e0fef85 10199
da0436e9
JS		 10200 /* Release PCI resources and disable device's PCI function */
10201 scsi_host_put(shost);
10202 lpfc_disable_pci_dev(phba);
2e0fef85 10203
da0436e9 10204 /* Finally, free the driver's device data structure */
3772a991 10205 lpfc_hba_free(phba);
2e0fef85 10206
da0436e9 10207 return;
dea3101e 10208}
10209
3a55b532 10210/**
da0436e9 10211 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
3a55b532
JS		 10212 * @pdev: pointer to PCI device
10213 * @msg: power management message
10214 *
da0436e9
JS		 10215 * This routine is called from the kernel's PCI subsystem to support system
10216 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
10217 * this method, it quiesces the device by stopping the driver's worker
10218 * thread for the device, turning off device's interrupt and DMA, and bring
10219 * the device offline. Note that as the driver implements the minimum PM
10220 * requirements to a power-aware driver's PM support for suspend/resume -- all
10221 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
10222 * method call will be treated as SUSPEND and the driver will fully
10223 * reinitialize its device during resume() method call, the driver will set
10224 * device to PCI_D3hot state in PCI config space instead of setting it
3772a991 10225 * according to the @msg provided by the PM.
3a55b532
JS		 10226 *
10227 * Return code
3772a991
JS		 10228 * 0 - driver suspended the device
10229 * Error otherwise
3a55b532
JS		 10230 **/
10231static int
da0436e9 10232lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg)
3a55b532
JS		 10233{
10234 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10235 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10236
10237 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
75baf696 10238 "2843 PCI device Power Management suspend.\n");
3a55b532
JS		 10239
10240 /* Bring down the device */
618a5230 10241 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
3a55b532
JS		 10242 lpfc_offline(phba);
10243 kthread_stop(phba->worker_thread);
10244
10245 /* Disable interrupt from device */
da0436e9 10246 lpfc_sli4_disable_intr(phba);
5350d872 10247 lpfc_sli4_queue_destroy(phba);
3a55b532
JS		 10248
10249 /* Save device state to PCI config space */
10250 pci_save_state(pdev);
10251 pci_set_power_state(pdev, PCI_D3hot);
10252
10253 return 0;
10254}
10255
10256/**
da0436e9 10257 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
3a55b532
JS		 10258 * @pdev: pointer to PCI device
10259 *
da0436e9
JS		 10260 * This routine is called from the kernel's PCI subsystem to support system
10261 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
10262 * this method, it restores the device's PCI config space state and fully
10263 * reinitializes the device and brings it online. Note that as the driver
10264 * implements the minimum PM requirements to a power-aware driver's PM for
10265 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
10266 * to the suspend() method call will be treated as SUSPEND and the driver
10267 * will fully reinitialize its device during resume() method call, the device
10268 * will be set to PCI_D0 directly in PCI config space before restoring the
10269 * state.
3a55b532
JS		 10270 *
10271 * Return code
3772a991
JS		 10272 * 0 - driver suspended the device
10273 * Error otherwise
3a55b532
JS		 10274 **/
10275static int
da0436e9 10276lpfc_pci_resume_one_s4(struct pci_dev *pdev)
3a55b532
JS		 10277{
10278 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10279 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
5b75da2f 10280 uint32_t intr_mode;
3a55b532
JS		 10281 int error;
10282
10283 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
da0436e9 10284 "0292 PCI device Power Management resume.\n");
3a55b532
JS		 10285
10286 /* Restore device state from PCI config space */
10287 pci_set_power_state(pdev, PCI_D0);
10288 pci_restore_state(pdev);
1dfb5a47
JS		 10289
10290 /*
10291 * As the new kernel behavior of pci_restore_state() API call clears
10292 * device saved_state flag, need to save the restored state again.
10293 */
10294 pci_save_state(pdev);
10295
3a55b532
JS		 10296 if (pdev->is_busmaster)
10297 pci_set_master(pdev);
10298
da0436e9 10299 /* Startup the kernel thread for this host adapter. */
3a55b532
JS		 10300 phba->worker_thread = kthread_run(lpfc_do_work, phba,
10301 "lpfc_worker_%d", phba->brd_no);
10302 if (IS_ERR(phba->worker_thread)) {
10303 error = PTR_ERR(phba->worker_thread);
10304 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10305 "0293 PM resume failed to start worker "
3a55b532
JS		 10306 "thread: error=x%x.\n", error);
10307 return error;
10308 }
10309
5b75da2f 10310 /* Configure and enable interrupt */
da0436e9 10311 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
5b75da2f 10312 if (intr_mode == LPFC_INTR_ERROR) {
3a55b532 10313 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10314 "0294 PM resume Failed to enable interrupt\n");
5b75da2f
JS		 10315 return -EIO;
10316 } else
10317 phba->intr_mode = intr_mode;
3a55b532
JS		 10318
10319 /* Restart HBA and bring it online */
10320 lpfc_sli_brdrestart(phba);
10321 lpfc_online(phba);
10322
5b75da2f
JS		 10323 /* Log the current active interrupt mode */
10324 lpfc_log_intr_mode(phba, phba->intr_mode);
10325
3a55b532
JS		 10326 return 0;
10327}
10328
75baf696
JS		 10329/**
10330 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
10331 * @phba: pointer to lpfc hba data structure.
10332 *
10333 * This routine is called to prepare the SLI4 device for PCI slot recover. It
10334 * aborts all the outstanding SCSI I/Os to the pci device.
10335 **/
10336static void
10337lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba)
10338{
10339 struct lpfc_sli *psli = &phba->sli;
10340 struct lpfc_sli_ring *pring;
10341
10342 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10343 "2828 PCI channel I/O abort preparing for recovery\n");
10344 /*
10345 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
10346 * and let the SCSI mid-layer to retry them to recover.
10347 */
10348 pring = &psli->ring[psli->fcp_ring];
10349 lpfc_sli_abort_iocb_ring(phba, pring);
10350}
10351
10352/**
10353 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
10354 * @phba: pointer to lpfc hba data structure.
10355 *
10356 * This routine is called to prepare the SLI4 device for PCI slot reset. It
10357 * disables the device interrupt and pci device, and aborts the internal FCP
10358 * pending I/Os.
10359 **/
10360static void
10361lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba)
10362{
10363 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10364 "2826 PCI channel disable preparing for reset\n");
10365
10366 /* Block any management I/Os to the device */
618a5230 10367 lpfc_block_mgmt_io(phba, LPFC_MBX_NO_WAIT);
75baf696
JS		 10368
10369 /* Block all SCSI devices' I/Os on the host */
10370 lpfc_scsi_dev_block(phba);
10371
ea714f3d
JS		 10372 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
10373 lpfc_sli_flush_fcp_rings(phba);
10374
75baf696
JS		 10375 /* stop all timers */
10376 lpfc_stop_hba_timers(phba);
10377
10378 /* Disable interrupt and pci device */
10379 lpfc_sli4_disable_intr(phba);
5350d872 10380 lpfc_sli4_queue_destroy(phba);
75baf696 10381 pci_disable_device(phba->pcidev);
75baf696
JS		 10382}
10383
10384/**
10385 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
10386 * @phba: pointer to lpfc hba data structure.
10387 *
10388 * This routine is called to prepare the SLI4 device for PCI slot permanently
10389 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
10390 * pending I/Os.
10391 **/
10392static void
10393lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba)
10394{
10395 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10396 "2827 PCI channel permanent disable for failure\n");
10397
10398 /* Block all SCSI devices' I/Os on the host */
10399 lpfc_scsi_dev_block(phba);
10400
10401 /* stop all timers */
10402 lpfc_stop_hba_timers(phba);
10403
10404 /* Clean up all driver's outstanding SCSI I/Os */
10405 lpfc_sli_flush_fcp_rings(phba);
10406}
10407
8d63f375 10408/**
da0436e9 10409 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
e59058c4
JS		 10410 * @pdev: pointer to PCI device.
10411 * @state: the current PCI connection state.
8d63f375 10412 *
da0436e9
JS		 10413 * This routine is called from the PCI subsystem for error handling to device
10414 * with SLI-4 interface spec. This function is called by the PCI subsystem
10415 * after a PCI bus error affecting this device has been detected. When this
10416 * function is invoked, it will need to stop all the I/Os and interrupt(s)
10417 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
10418 * for the PCI subsystem to perform proper recovery as desired.
e59058c4
JS		 10419 *
10420 * Return codes
3772a991
JS		 10421 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10422 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
e59058c4 10423 **/
3772a991 10424static pci_ers_result_t
da0436e9 10425lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state)
8d63f375 10426{
75baf696
JS		 10427 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10428 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10429
10430 switch (state) {
10431 case pci_channel_io_normal:
10432 /* Non-fatal error, prepare for recovery */
10433 lpfc_sli4_prep_dev_for_recover(phba);
10434 return PCI_ERS_RESULT_CAN_RECOVER;
10435 case pci_channel_io_frozen:
10436 /* Fatal error, prepare for slot reset */
10437 lpfc_sli4_prep_dev_for_reset(phba);
10438 return PCI_ERS_RESULT_NEED_RESET;
10439 case pci_channel_io_perm_failure:
10440 /* Permanent failure, prepare for device down */
10441 lpfc_sli4_prep_dev_for_perm_failure(phba);
10442 return PCI_ERS_RESULT_DISCONNECT;
10443 default:
10444 /* Unknown state, prepare and request slot reset */
10445 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10446 "2825 Unknown PCI error state: x%x\n", state);
10447 lpfc_sli4_prep_dev_for_reset(phba);
10448 return PCI_ERS_RESULT_NEED_RESET;
10449 }
8d63f375
LV		 10450}
10451
10452/**
da0436e9 10453 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
e59058c4
JS		 10454 * @pdev: pointer to PCI device.
10455 *
da0436e9
JS		 10456 * This routine is called from the PCI subsystem for error handling to device
10457 * with SLI-4 interface spec. It is called after PCI bus has been reset to
10458 * restart the PCI card from scratch, as if from a cold-boot. During the
10459 * PCI subsystem error recovery, after the driver returns
3772a991 10460 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
da0436e9
JS		 10461 * recovery and then call this routine before calling the .resume method to
10462 * recover the device. This function will initialize the HBA device, enable
10463 * the interrupt, but it will just put the HBA to offline state without
10464 * passing any I/O traffic.
8d63f375 10465 *
e59058c4 10466 * Return codes
3772a991
JS		 10467 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10468 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
8d63f375 10469 */
3772a991 10470static pci_ers_result_t
da0436e9 10471lpfc_io_slot_reset_s4(struct pci_dev *pdev)
8d63f375 10472{
75baf696
JS		 10473 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10474 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10475 struct lpfc_sli *psli = &phba->sli;
10476 uint32_t intr_mode;
10477
10478 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
10479 if (pci_enable_device_mem(pdev)) {
10480 printk(KERN_ERR "lpfc: Cannot re-enable "
10481 "PCI device after reset.\n");
10482 return PCI_ERS_RESULT_DISCONNECT;
10483 }
10484
10485 pci_restore_state(pdev);
0a96e975
JS		 10486
10487 /*
10488 * As the new kernel behavior of pci_restore_state() API call clears
10489 * device saved_state flag, need to save the restored state again.
10490 */
10491 pci_save_state(pdev);
10492
75baf696
JS		 10493 if (pdev->is_busmaster)
10494 pci_set_master(pdev);
10495
10496 spin_lock_irq(&phba->hbalock);
10497 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
10498 spin_unlock_irq(&phba->hbalock);
10499
10500 /* Configure and enable interrupt */
10501 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
10502 if (intr_mode == LPFC_INTR_ERROR) {
10503 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10504 "2824 Cannot re-enable interrupt after "
10505 "slot reset.\n");
10506 return PCI_ERS_RESULT_DISCONNECT;
10507 } else
10508 phba->intr_mode = intr_mode;
10509
10510 /* Log the current active interrupt mode */
10511 lpfc_log_intr_mode(phba, phba->intr_mode);
10512
8d63f375
LV		 10513 return PCI_ERS_RESULT_RECOVERED;
10514}
10515
10516/**
da0436e9 10517 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
e59058c4 10518 * @pdev: pointer to PCI device
8d63f375 10519 *
3772a991 10520 * This routine is called from the PCI subsystem for error handling to device
da0436e9 10521 * with SLI-4 interface spec. It is called when kernel error recovery tells
3772a991
JS		 10522 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
10523 * error recovery. After this call, traffic can start to flow from this device
10524 * again.
da0436e9 10525 **/
3772a991 10526static void
da0436e9 10527lpfc_io_resume_s4(struct pci_dev *pdev)
8d63f375 10528{
75baf696
JS		 10529 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10530 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10531
10532 /*
10533 * In case of slot reset, as function reset is performed through
10534 * mailbox command which needs DMA to be enabled, this operation
10535 * has to be moved to the io resume phase. Taking device offline
10536 * will perform the necessary cleanup.
10537 */
10538 if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) {
10539 /* Perform device reset */
618a5230 10540 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
75baf696
JS		 10541 lpfc_offline(phba);
10542 lpfc_sli_brdrestart(phba);
10543 /* Bring the device back online */
10544 lpfc_online(phba);
10545 }
10546
10547 /* Clean up Advanced Error Reporting (AER) if needed */
10548 if (phba->hba_flag & HBA_AER_ENABLED)
10549 pci_cleanup_aer_uncorrect_error_status(pdev);
8d63f375
LV		 10550}
10551
3772a991
JS		 10552/**
10553 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
10554 * @pdev: pointer to PCI device
10555 * @pid: pointer to PCI device identifier
10556 *
10557 * This routine is to be registered to the kernel's PCI subsystem. When an
10558 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
10559 * at PCI device-specific information of the device and driver to see if the
10560 * driver state that it can support this kind of device. If the match is
10561 * successful, the driver core invokes this routine. This routine dispatches
10562 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
10563 * do all the initialization that it needs to do to handle the HBA device
10564 * properly.
10565 *
10566 * Return code
10567 * 0 - driver can claim the device
10568 * negative value - driver can not claim the device
10569 **/
6f039790 10570static int
3772a991
JS		 10571lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
10572{
10573 int rc;
8fa38513 10574 struct lpfc_sli_intf intf;
3772a991 10575
28baac74 10576 if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0))
3772a991
JS		 10577 return -ENODEV;
10578
8fa38513 10579 if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) &&
28baac74 10580 (bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4))
da0436e9 10581 rc = lpfc_pci_probe_one_s4(pdev, pid);
8fa38513 10582 else
3772a991 10583 rc = lpfc_pci_probe_one_s3(pdev, pid);
8fa38513 10584
3772a991
JS		 10585 return rc;
10586}
10587
10588/**
10589 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
10590 * @pdev: pointer to PCI device
10591 *
10592 * This routine is to be registered to the kernel's PCI subsystem. When an
10593 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
10594 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
10595 * remove routine, which will perform all the necessary cleanup for the
10596 * device to be removed from the PCI subsystem properly.
10597 **/
6f039790 10598static void
3772a991
JS		 10599lpfc_pci_remove_one(struct pci_dev *pdev)
10600{
10601 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10602 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10603
10604 switch (phba->pci_dev_grp) {
10605 case LPFC_PCI_DEV_LP:
10606 lpfc_pci_remove_one_s3(pdev);
10607 break;
da0436e9
JS		 10608 case LPFC_PCI_DEV_OC:
10609 lpfc_pci_remove_one_s4(pdev);
10610 break;
3772a991
JS		 10611 default:
10612 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10613 "1424 Invalid PCI device group: 0x%x\n",
10614 phba->pci_dev_grp);
10615 break;
10616 }
10617 return;
10618}
10619
10620/**
10621 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
10622 * @pdev: pointer to PCI device
10623 * @msg: power management message
10624 *
10625 * This routine is to be registered to the kernel's PCI subsystem to support
10626 * system Power Management (PM). When PM invokes this method, it dispatches
10627 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
10628 * suspend the device.
10629 *
10630 * Return code
10631 * 0 - driver suspended the device
10632 * Error otherwise
10633 **/
10634static int
10635lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg)
10636{
10637 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10638 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10639 int rc = -ENODEV;
10640
10641 switch (phba->pci_dev_grp) {
10642 case LPFC_PCI_DEV_LP:
10643 rc = lpfc_pci_suspend_one_s3(pdev, msg);
10644 break;
da0436e9
JS		 10645 case LPFC_PCI_DEV_OC:
10646 rc = lpfc_pci_suspend_one_s4(pdev, msg);
10647 break;
3772a991
JS		 10648 default:
10649 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10650 "1425 Invalid PCI device group: 0x%x\n",
10651 phba->pci_dev_grp);
10652 break;
10653 }
10654 return rc;
10655}
10656
10657/**
10658 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
10659 * @pdev: pointer to PCI device
10660 *
10661 * This routine is to be registered to the kernel's PCI subsystem to support
10662 * system Power Management (PM). When PM invokes this method, it dispatches
10663 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
10664 * resume the device.
10665 *
10666 * Return code
10667 * 0 - driver suspended the device
10668 * Error otherwise
10669 **/
10670static int
10671lpfc_pci_resume_one(struct pci_dev *pdev)
10672{
10673 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10674 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10675 int rc = -ENODEV;
10676
10677 switch (phba->pci_dev_grp) {
10678 case LPFC_PCI_DEV_LP:
10679 rc = lpfc_pci_resume_one_s3(pdev);
10680 break;
da0436e9
JS		 10681 case LPFC_PCI_DEV_OC:
10682 rc = lpfc_pci_resume_one_s4(pdev);
10683 break;
3772a991
JS		 10684 default:
10685 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10686 "1426 Invalid PCI device group: 0x%x\n",
10687 phba->pci_dev_grp);
10688 break;
10689 }
10690 return rc;
10691}
10692
10693/**
10694 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
10695 * @pdev: pointer to PCI device.
10696 * @state: the current PCI connection state.
10697 *
10698 * This routine is registered to the PCI subsystem for error handling. This
10699 * function is called by the PCI subsystem after a PCI bus error affecting
10700 * this device has been detected. When this routine is invoked, it dispatches
10701 * the action to the proper SLI-3 or SLI-4 device error detected handling
10702 * routine, which will perform the proper error detected operation.
10703 *
10704 * Return codes
10705 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10706 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10707 **/
10708static pci_ers_result_t
10709lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
10710{
10711 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10712 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10713 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
10714
10715 switch (phba->pci_dev_grp) {
10716 case LPFC_PCI_DEV_LP:
10717 rc = lpfc_io_error_detected_s3(pdev, state);
10718 break;
da0436e9
JS		 10719 case LPFC_PCI_DEV_OC:
10720 rc = lpfc_io_error_detected_s4(pdev, state);
10721 break;
3772a991
JS		 10722 default:
10723 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10724 "1427 Invalid PCI device group: 0x%x\n",
10725 phba->pci_dev_grp);
10726 break;
10727 }
10728 return rc;
10729}
10730
10731/**
10732 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
10733 * @pdev: pointer to PCI device.
10734 *
10735 * This routine is registered to the PCI subsystem for error handling. This
10736 * function is called after PCI bus has been reset to restart the PCI card
10737 * from scratch, as if from a cold-boot. When this routine is invoked, it
10738 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
10739 * routine, which will perform the proper device reset.
10740 *
10741 * Return codes
10742 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10743 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10744 **/
10745static pci_ers_result_t
10746lpfc_io_slot_reset(struct pci_dev *pdev)
10747{
10748 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10749 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10750 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
10751
10752 switch (phba->pci_dev_grp) {
10753 case LPFC_PCI_DEV_LP:
10754 rc = lpfc_io_slot_reset_s3(pdev);
10755 break;
da0436e9
JS		 10756 case LPFC_PCI_DEV_OC:
10757 rc = lpfc_io_slot_reset_s4(pdev);
10758 break;
3772a991
JS		 10759 default:
10760 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10761 "1428 Invalid PCI device group: 0x%x\n",
10762 phba->pci_dev_grp);
10763 break;
10764 }
10765 return rc;
10766}
10767
10768/**
10769 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
10770 * @pdev: pointer to PCI device
10771 *
10772 * This routine is registered to the PCI subsystem for error handling. It
10773 * is called when kernel error recovery tells the lpfc driver that it is
10774 * OK to resume normal PCI operation after PCI bus error recovery. When
10775 * this routine is invoked, it dispatches the action to the proper SLI-3
10776 * or SLI-4 device io_resume routine, which will resume the device operation.
10777 **/
10778static void
10779lpfc_io_resume(struct pci_dev *pdev)
10780{
10781 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10782 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10783
10784 switch (phba->pci_dev_grp) {
10785 case LPFC_PCI_DEV_LP:
10786 lpfc_io_resume_s3(pdev);
10787 break;
da0436e9
JS		 10788 case LPFC_PCI_DEV_OC:
10789 lpfc_io_resume_s4(pdev);
10790 break;
3772a991
JS		 10791 default:
10792 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10793 "1429 Invalid PCI device group: 0x%x\n",
10794 phba->pci_dev_grp);
10795 break;
10796 }
10797 return;
10798}
10799
dea3101e 10800static struct pci_device_id lpfc_id_table[] = {
10801 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
10802 PCI_ANY_ID, PCI_ANY_ID, },
06325e74
JSEC		 10803 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
10804 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10805 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
10806 PCI_ANY_ID, PCI_ANY_ID, },
10807 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
10808 PCI_ANY_ID, PCI_ANY_ID, },
10809 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
10810 PCI_ANY_ID, PCI_ANY_ID, },
10811 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
10812 PCI_ANY_ID, PCI_ANY_ID, },
10813 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
10814 PCI_ANY_ID, PCI_ANY_ID, },
10815 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
10816 PCI_ANY_ID, PCI_ANY_ID, },
10817 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
10818 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10819 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
10820 PCI_ANY_ID, PCI_ANY_ID, },
10821 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
10822 PCI_ANY_ID, PCI_ANY_ID, },
10823 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
10824 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10825 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
10826 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10827 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
10828 PCI_ANY_ID, PCI_ANY_ID, },
10829 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
10830 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10831 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
10832 PCI_ANY_ID, PCI_ANY_ID, },
10833 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
10834 PCI_ANY_ID, PCI_ANY_ID, },
10835 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
10836 PCI_ANY_ID, PCI_ANY_ID, },
84774a4d
JS		 10837 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET,
10838 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10839 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
10840 PCI_ANY_ID, PCI_ANY_ID, },
10841 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
10842 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10843 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
10844 PCI_ANY_ID, PCI_ANY_ID, },
10845 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
10846 PCI_ANY_ID, PCI_ANY_ID, },
10847 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
10848 PCI_ANY_ID, PCI_ANY_ID, },
10849 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
10850 PCI_ANY_ID, PCI_ANY_ID, },
10851 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
10852 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10853 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
10854 PCI_ANY_ID, PCI_ANY_ID, },
10855 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
10856 PCI_ANY_ID, PCI_ANY_ID, },
b87eab38
JS		 10857 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
10858 PCI_ANY_ID, PCI_ANY_ID, },
10859 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
10860 PCI_ANY_ID, PCI_ANY_ID, },
10861 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
10862 PCI_ANY_ID, PCI_ANY_ID, },
10863 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
10864 PCI_ANY_ID, PCI_ANY_ID, },
10865 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
10866 PCI_ANY_ID, PCI_ANY_ID, },
10867 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
10868 PCI_ANY_ID, PCI_ANY_ID, },
84774a4d
JS		 10869 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF,
10870 PCI_ANY_ID, PCI_ANY_ID, },
10871 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF,
10872 PCI_ANY_ID, PCI_ANY_ID, },
10873 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S,
10874 PCI_ANY_ID, PCI_ANY_ID, },
3772a991
JS		 10875 {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TIGERSHARK,
10876 PCI_ANY_ID, PCI_ANY_ID, },
a747c9ce
JS		 10877 {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TOMCAT,
10878 PCI_ANY_ID, PCI_ANY_ID, },
10879 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FALCON,
6669f9bb 10880 PCI_ANY_ID, PCI_ANY_ID, },
98fc5dd9
JS		 10881 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BALIUS,
10882 PCI_ANY_ID, PCI_ANY_ID, },
085c647c
JS		 10883 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC,
10884 PCI_ANY_ID, PCI_ANY_ID, },
10885 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE,
10886 PCI_ANY_ID, PCI_ANY_ID, },
c0c11512
JS		 10887 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC_VF,
10888 PCI_ANY_ID, PCI_ANY_ID, },
10889 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE_VF,
10890 PCI_ANY_ID, PCI_ANY_ID, },
f8cafd38
JS		 10891 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK,
10892 PCI_ANY_ID, PCI_ANY_ID, },
10893 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK_VF,
10894 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10895 { 0 }
10896};
10897
10898MODULE_DEVICE_TABLE(pci, lpfc_id_table);
10899
a55b2d21 10900static const struct pci_error_handlers lpfc_err_handler = {
8d63f375
LV		 10901 .error_detected = lpfc_io_error_detected,
10902 .slot_reset = lpfc_io_slot_reset,
10903 .resume = lpfc_io_resume,
10904};
10905
dea3101e 10906static struct pci_driver lpfc_driver = {
10907 .name = LPFC_DRIVER_NAME,
10908 .id_table = lpfc_id_table,
10909 .probe = lpfc_pci_probe_one,
6f039790 10910 .remove = lpfc_pci_remove_one,
3a55b532 10911 .suspend = lpfc_pci_suspend_one,
3772a991 10912 .resume = lpfc_pci_resume_one,
2e0fef85 10913 .err_handler = &lpfc_err_handler,
dea3101e 10914};
10915
3ef6d24c 10916static const struct file_operations lpfc_mgmt_fop = {
858feacd 10917 .owner = THIS_MODULE,
3ef6d24c
JS		 10918};
10919
10920static struct miscdevice lpfc_mgmt_dev = {
10921 .minor = MISC_DYNAMIC_MINOR,
10922 .name = "lpfcmgmt",
10923 .fops = &lpfc_mgmt_fop,
10924};
10925
e59058c4 10926/**
3621a710 10927 * lpfc_init - lpfc module initialization routine
e59058c4
JS		 10928 *
10929 * This routine is to be invoked when the lpfc module is loaded into the
10930 * kernel. The special kernel macro module_init() is used to indicate the
10931 * role of this routine to the kernel as lpfc module entry point.
10932 *
10933 * Return codes
10934 * 0 - successful
10935 * -ENOMEM - FC attach transport failed
10936 * all others - failed
10937 */
dea3101e 10938static int __init
10939lpfc_init(void)
10940{
7bb03bbf 10941 int cpu;
dea3101e 10942 int error = 0;
10943
10944 printk(LPFC_MODULE_DESC "\n");
c44ce173 10945 printk(LPFC_COPYRIGHT "\n");
dea3101e 10946
3ef6d24c
JS		 10947 error = misc_register(&lpfc_mgmt_dev);
10948 if (error)
10949 printk(KERN_ERR "Could not register lpfcmgmt device, "
10950 "misc_register returned with status %d", error);
10951
7ee5d43e
JS		 10952 if (lpfc_enable_npiv) {
10953 lpfc_transport_functions.vport_create = lpfc_vport_create;
10954 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
10955 }
dea3101e 10956 lpfc_transport_template =
10957 fc_attach_transport(&lpfc_transport_functions);
7ee5d43e 10958 if (lpfc_transport_template == NULL)
dea3101e 10959 return -ENOMEM;
7ee5d43e 10960 if (lpfc_enable_npiv) {
7ee5d43e 10961 lpfc_vport_transport_template =
98c9ea5c
JS		 10962 fc_attach_transport(&lpfc_vport_transport_functions);
10963 if (lpfc_vport_transport_template == NULL) {
10964 fc_release_transport(lpfc_transport_template);
7ee5d43e 10965 return -ENOMEM;
98c9ea5c 10966 }
7ee5d43e 10967 }
7bb03bbf
JS		 10968
10969 /* Initialize in case vector mapping is needed */
b246de17
JS		 10970 lpfc_used_cpu = NULL;
10971 lpfc_present_cpu = 0;
10972 for_each_present_cpu(cpu)
10973 lpfc_present_cpu++;
7bb03bbf 10974
dea3101e 10975 error = pci_register_driver(&lpfc_driver);
92d7f7b0 10976 if (error) {
dea3101e 10977 fc_release_transport(lpfc_transport_template);
d7c255b2
JS		 10978 if (lpfc_enable_npiv)
10979 fc_release_transport(lpfc_vport_transport_template);
92d7f7b0 10980 }
dea3101e 10981
10982 return error;
10983}
10984
e59058c4 10985/**
3621a710 10986 * lpfc_exit - lpfc module removal routine
e59058c4
JS		 10987 *
10988 * This routine is invoked when the lpfc module is removed from the kernel.
10989 * The special kernel macro module_exit() is used to indicate the role of
10990 * this routine to the kernel as lpfc module exit point.
10991 */
dea3101e 10992static void __exit
10993lpfc_exit(void)
10994{
3ef6d24c 10995 misc_deregister(&lpfc_mgmt_dev);
dea3101e 10996 pci_unregister_driver(&lpfc_driver);
10997 fc_release_transport(lpfc_transport_template);
7ee5d43e
JS		 10998 if (lpfc_enable_npiv)
10999 fc_release_transport(lpfc_vport_transport_template);
81301a9b 11000 if (_dump_buf_data) {
6a9c52cf
JS		 11001 printk(KERN_ERR "9062 BLKGRD: freeing %lu pages for "
11002 "_dump_buf_data at 0x%p\n",
81301a9b
JS		 11003 (1L << _dump_buf_data_order), _dump_buf_data);
11004 free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order);
11005 }
11006
11007 if (_dump_buf_dif) {
6a9c52cf
JS		 11008 printk(KERN_ERR "9049 BLKGRD: freeing %lu pages for "
11009 "_dump_buf_dif at 0x%p\n",
81301a9b
JS		 11010 (1L << _dump_buf_dif_order), _dump_buf_dif);
11011 free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order);
11012 }
b246de17 11013 kfree(lpfc_used_cpu);
dea3101e 11014}
11015
11016module_init(lpfc_init);
11017module_exit(lpfc_exit);
11018MODULE_LICENSE("GPL");
11019MODULE_DESCRIPTION(LPFC_MODULE_DESC);
11020MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
11021MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
Linux kernel - Deliverables
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