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[SCSI] hpsa: remove unused Smart Array ID
[deliverable/linux.git] / drivers / scsi / lpfc / lpfc_init.c
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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 3033 spin_lock_irq(&phba->scsi_buf_list_get_lock);
164cecd1 3034 spin_lock(&phba->scsi_buf_list_put_lock);
a40fc5f0
JS		 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);
164cecd1 3037 spin_unlock(&phba->scsi_buf_list_put_lock);
a40fc5f0 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 3072 spin_lock_irq(&phba->scsi_buf_list_get_lock);
164cecd1 3073 spin_lock(&phba->scsi_buf_list_put_lock);
a40fc5f0
JS		 3074 list_splice_init(&scsi_sgl_list, &phba->lpfc_scsi_buf_list_get);
3075 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put);
164cecd1 3076 spin_unlock(&phba->scsi_buf_list_put_lock);
a40fc5f0 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 4861
716d3bc5
JS		 4862 /* Get all the module params for configuring this host */
4863 lpfc_get_cfgparam(phba);
4864
da0436e9
JS		 4865 /* Before proceed, wait for POST done and device ready */
4866 rc = lpfc_sli4_post_status_check(phba);
4867 if (rc)
4868 return -ENODEV;
4869
3772a991 4870 /*
da0436e9 4871 * Initialize timers used by driver
3772a991 4872 */
3772a991 4873
da0436e9
JS		 4874 /* Heartbeat timer */
4875 init_timer(&phba->hb_tmofunc);
4876 phba->hb_tmofunc.function = lpfc_hb_timeout;
4877 phba->hb_tmofunc.data = (unsigned long)phba;
19ca7609
JS		 4878 init_timer(&phba->rrq_tmr);
4879 phba->rrq_tmr.function = lpfc_rrq_timeout;
4880 phba->rrq_tmr.data = (unsigned long)phba;
3772a991 4881
da0436e9
JS		 4882 psli = &phba->sli;
4883 /* MBOX heartbeat timer */
4884 init_timer(&psli->mbox_tmo);
4885 psli->mbox_tmo.function = lpfc_mbox_timeout;
4886 psli->mbox_tmo.data = (unsigned long) phba;
4887 /* Fabric block timer */
4888 init_timer(&phba->fabric_block_timer);
4889 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
4890 phba->fabric_block_timer.data = (unsigned long) phba;
4891 /* EA polling mode timer */
4892 init_timer(&phba->eratt_poll);
4893 phba->eratt_poll.function = lpfc_poll_eratt;
4894 phba->eratt_poll.data = (unsigned long) phba;
ecfd03c6
JS		 4895 /* FCF rediscover timer */
4896 init_timer(&phba->fcf.redisc_wait);
4897 phba->fcf.redisc_wait.function = lpfc_sli4_fcf_redisc_wait_tmo;
4898 phba->fcf.redisc_wait.data = (unsigned long)phba;
4899
7ad20aa9
JS		 4900 /*
4901 * Control structure for handling external multi-buffer mailbox
4902 * command pass-through.
4903 */
4904 memset((uint8_t *)&phba->mbox_ext_buf_ctx, 0,
4905 sizeof(struct lpfc_mbox_ext_buf_ctx));
4906 INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list);
4907
da0436e9 4908 phba->max_vpi = LPFC_MAX_VPI;
67d12733 4909
da0436e9
JS		 4910 /* This will be set to correct value after the read_config mbox */
4911 phba->max_vports = 0;
3772a991 4912
da0436e9
JS		 4913 /* Program the default value of vlan_id and fc_map */
4914 phba->valid_vlan = 0;
4915 phba->fc_map[0] = LPFC_FCOE_FCF_MAP0;
4916 phba->fc_map[1] = LPFC_FCOE_FCF_MAP1;
4917 phba->fc_map[2] = LPFC_FCOE_FCF_MAP2;
3772a991 4918
2a76a283
JS		 4919 /*
4920 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
4921 * we will associate a new ring, for each FCP fastpath EQ/CQ/WQ tuple.
4922 */
4923 if (!phba->sli.ring)
4924 phba->sli.ring = kzalloc(
67d12733 4925 (LPFC_SLI3_MAX_RING + phba->cfg_fcp_io_channel) *
2a76a283
JS		 4926 sizeof(struct lpfc_sli_ring), GFP_KERNEL);
4927 if (!phba->sli.ring)
4928 return -ENOMEM;
09294d46 4929
da0436e9 4930 /*
09294d46
JS		 4931 * It doesn't matter what family our adapter is in, we are
4932 * limited to 2 Pages, 512 SGEs, for our SGL.
4933 * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp
4934 */
4935 max_buf_size = (2 * SLI4_PAGE_SIZE);
4936 if (phba->cfg_sg_seg_cnt > LPFC_MAX_SGL_SEG_CNT - 2)
4937 phba->cfg_sg_seg_cnt = LPFC_MAX_SGL_SEG_CNT - 2;
09294d46 4938
da0436e9 4939 /*
96f7077f 4940 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
da0436e9 4941 * used to create the sg_dma_buf_pool must be dynamically calculated.
da0436e9 4942 */
96f7077f
JS		 4943
4944 if (phba->cfg_enable_bg) {
4945 /*
4946 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
4947 * the FCP rsp, and a SGE for each. Sice we have no control
4948 * over how many protection data segments the SCSI Layer
4949 * will hand us (ie: there could be one for every block
4950 * in the IO), we just allocate enough SGEs to accomidate
4951 * our max amount and we need to limit lpfc_sg_seg_cnt to
4952 * minimize the risk of running out.
4953 */
4954 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
4955 sizeof(struct fcp_rsp) + max_buf_size;
4956
4957 /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */
4958 phba->cfg_total_seg_cnt = LPFC_MAX_SGL_SEG_CNT;
4959
4960 if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SLI4_SEG_CNT_DIF)
4961 phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SLI4_SEG_CNT_DIF;
4962 } else {
4963 /*
4964 * The scsi_buf for a regular I/O will hold the FCP cmnd,
4965 * the FCP rsp, a SGE for each, and a SGE for up to
4966 * cfg_sg_seg_cnt data segments.
4967 */
4968 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
4969 sizeof(struct fcp_rsp) +
4970 ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge));
4971
4972 /* Total SGEs for scsi_sg_list */
4973 phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2;
4974 /*
4975 * NOTE: if (phba->cfg_sg_seg_cnt + 2) <= 256 we only need
4976 * to post 1 page for the SGL.
4977 */
085c647c 4978 }
acd6859b 4979
96f7077f
JS		 4980 /* Initialize the host templates with the updated values. */
4981 lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4982 lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4983
4984 if (phba->cfg_sg_dma_buf_size <= LPFC_MIN_SG_SLI4_BUF_SZ)
4985 phba->cfg_sg_dma_buf_size = LPFC_MIN_SG_SLI4_BUF_SZ;
4986 else
4987 phba->cfg_sg_dma_buf_size =
4988 SLI4_PAGE_ALIGN(phba->cfg_sg_dma_buf_size);
4989
4990 lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP,
4991 "9087 sg_tablesize:%d dmabuf_size:%d total_sge:%d\n",
4992 phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size,
4993 phba->cfg_total_seg_cnt);
3772a991 4994
da0436e9
JS		 4995 /* Initialize buffer queue management fields */
4996 hbq_count = lpfc_sli_hbq_count();
4997 for (i = 0; i < hbq_count; ++i)
4998 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
4999 INIT_LIST_HEAD(&phba->rb_pend_list);
5000 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc;
5001 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free;
3772a991 5002
da0436e9
JS		 5003 /*
5004 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
5005 */
5006 /* Initialize the Abort scsi buffer list used by driver */
5007 spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock);
5008 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
5009 /* This abort list used by worker thread */
5010 spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock);
3772a991 5011
da0436e9 5012 /*
6d368e53 5013 * Initialize driver internal slow-path work queues
da0436e9 5014 */
3772a991 5015
da0436e9
JS		 5016 /* Driver internel slow-path CQ Event pool */
5017 INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool);
5018 /* Response IOCB work queue list */
45ed1190 5019 INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event);
da0436e9
JS		 5020 /* Asynchronous event CQ Event work queue list */
5021 INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue);
5022 /* Fast-path XRI aborted CQ Event work queue list */
5023 INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue);
5024 /* Slow-path XRI aborted CQ Event work queue list */
5025 INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue);
5026 /* Receive queue CQ Event work queue list */
5027 INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue);
5028
6d368e53
JS		 5029 /* Initialize extent block lists. */
5030 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_blk_list);
5031 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_xri_blk_list);
5032 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_vfi_blk_list);
5033 INIT_LIST_HEAD(&phba->lpfc_vpi_blk_list);
5034
da0436e9
JS		 5035 /* Initialize the driver internal SLI layer lists. */
5036 lpfc_sli_setup(phba);
5037 lpfc_sli_queue_setup(phba);
3772a991 5038
da0436e9
JS		 5039 /* Allocate device driver memory */
5040 rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ);
5041 if (rc)
5042 return -ENOMEM;
5043
2fcee4bf
JS		 5044 /* IF Type 2 ports get initialized now. */
5045 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
5046 LPFC_SLI_INTF_IF_TYPE_2) {
5047 rc = lpfc_pci_function_reset(phba);
5048 if (unlikely(rc))
5049 return -ENODEV;
5050 }
5051
da0436e9
JS		 5052 /* Create the bootstrap mailbox command */
5053 rc = lpfc_create_bootstrap_mbox(phba);
5054 if (unlikely(rc))
5055 goto out_free_mem;
5056
5057 /* Set up the host's endian order with the device. */
5058 rc = lpfc_setup_endian_order(phba);
5059 if (unlikely(rc))
5060 goto out_free_bsmbx;
5061
5062 /* Set up the hba's configuration parameters. */
5063 rc = lpfc_sli4_read_config(phba);
5064 if (unlikely(rc))
5065 goto out_free_bsmbx;
5066
2fcee4bf
JS		 5067 /* IF Type 0 ports get initialized now. */
5068 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
5069 LPFC_SLI_INTF_IF_TYPE_0) {
5070 rc = lpfc_pci_function_reset(phba);
5071 if (unlikely(rc))
5072 goto out_free_bsmbx;
5073 }
da0436e9 5074
cb5172ea
JS		 5075 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
5076 GFP_KERNEL);
5077 if (!mboxq) {
5078 rc = -ENOMEM;
5079 goto out_free_bsmbx;
5080 }
5081
fedd3b7b 5082 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
cb5172ea
JS		 5083 lpfc_supported_pages(mboxq);
5084 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
fedd3b7b
JS		 5085 if (!rc) {
5086 mqe = &mboxq->u.mqe;
5087 memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3),
5088 LPFC_MAX_SUPPORTED_PAGES);
5089 for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) {
5090 switch (pn_page[i]) {
5091 case LPFC_SLI4_PARAMETERS:
5092 phba->sli4_hba.pc_sli4_params.supported = 1;
5093 break;
5094 default:
5095 break;
5096 }
5097 }
5098 /* Read the port's SLI4 Parameters capabilities if supported. */
5099 if (phba->sli4_hba.pc_sli4_params.supported)
5100 rc = lpfc_pc_sli4_params_get(phba, mboxq);
5101 if (rc) {
5102 mempool_free(mboxq, phba->mbox_mem_pool);
5103 rc = -EIO;
5104 goto out_free_bsmbx;
cb5172ea
JS		 5105 }
5106 }
fedd3b7b
JS		 5107 /*
5108 * Get sli4 parameters that override parameters from Port capabilities.
6d368e53
JS		 5109 * If this call fails, it isn't critical unless the SLI4 parameters come
5110 * back in conflict.
fedd3b7b 5111 */
6d368e53
JS		 5112 rc = lpfc_get_sli4_parameters(phba, mboxq);
5113 if (rc) {
5114 if (phba->sli4_hba.extents_in_use &&
5115 phba->sli4_hba.rpi_hdrs_in_use) {
5116 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5117 "2999 Unsupported SLI4 Parameters "
5118 "Extents and RPI headers enabled.\n");
5119 goto out_free_bsmbx;
5120 }
5121 }
cb5172ea 5122 mempool_free(mboxq, phba->mbox_mem_pool);
5350d872
JS		 5123 /* Verify all the SLI4 queues */
5124 rc = lpfc_sli4_queue_verify(phba);
da0436e9
JS		 5125 if (rc)
5126 goto out_free_bsmbx;
5127
5128 /* Create driver internal CQE event pool */
5129 rc = lpfc_sli4_cq_event_pool_create(phba);
5130 if (rc)
5350d872 5131 goto out_free_bsmbx;
da0436e9 5132
8a9d2e80
JS		 5133 /* Initialize sgl lists per host */
5134 lpfc_init_sgl_list(phba);
5135
5136 /* Allocate and initialize active sgl array */
da0436e9
JS		 5137 rc = lpfc_init_active_sgl_array(phba);
5138 if (rc) {
5139 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5140 "1430 Failed to initialize sgl list.\n");
8a9d2e80 5141 goto out_destroy_cq_event_pool;
da0436e9 5142 }
da0436e9
JS		 5143 rc = lpfc_sli4_init_rpi_hdrs(phba);
5144 if (rc) {
5145 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5146 "1432 Failed to initialize rpi headers.\n");
5147 goto out_free_active_sgl;
5148 }
5149
a93ff37a 5150 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
0c9ab6f5
JS		 5151 longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG;
5152 phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long),
5153 GFP_KERNEL);
5154 if (!phba->fcf.fcf_rr_bmask) {
5155 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5156 "2759 Failed allocate memory for FCF round "
5157 "robin failover bmask\n");
0558056c 5158 rc = -ENOMEM;
0c9ab6f5
JS		 5159 goto out_remove_rpi_hdrs;
5160 }
5161
67d12733
JS		 5162 phba->sli4_hba.fcp_eq_hdl =
5163 kzalloc((sizeof(struct lpfc_fcp_eq_hdl) *
5164 phba->cfg_fcp_io_channel), GFP_KERNEL);
5165 if (!phba->sli4_hba.fcp_eq_hdl) {
5166 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5167 "2572 Failed allocate memory for "
5168 "fast-path per-EQ handle array\n");
5169 rc = -ENOMEM;
5170 goto out_free_fcf_rr_bmask;
da0436e9
JS		 5171 }
5172
5173 phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) *
82c3e9ba 5174 phba->cfg_fcp_io_channel), GFP_KERNEL);
da0436e9
JS		 5175 if (!phba->sli4_hba.msix_entries) {
5176 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5177 "2573 Failed allocate memory for msi-x "
5178 "interrupt vector entries\n");
0558056c 5179 rc = -ENOMEM;
da0436e9
JS		 5180 goto out_free_fcp_eq_hdl;
5181 }
5182
7bb03bbf
JS		 5183 phba->sli4_hba.cpu_map = kzalloc((sizeof(struct lpfc_vector_map_info) *
5184 phba->sli4_hba.num_present_cpu),
5185 GFP_KERNEL);
5186 if (!phba->sli4_hba.cpu_map) {
5187 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5188 "3327 Failed allocate memory for msi-x "
5189 "interrupt vector mapping\n");
5190 rc = -ENOMEM;
5191 goto out_free_msix;
5192 }
b246de17
JS		 5193 if (lpfc_used_cpu == NULL) {
5194 lpfc_used_cpu = kzalloc((sizeof(uint16_t) * lpfc_present_cpu),
5195 GFP_KERNEL);
5196 if (!lpfc_used_cpu) {
5197 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5198 "3335 Failed allocate memory for msi-x "
5199 "interrupt vector mapping\n");
5200 kfree(phba->sli4_hba.cpu_map);
5201 rc = -ENOMEM;
5202 goto out_free_msix;
5203 }
5204 for (i = 0; i < lpfc_present_cpu; i++)
5205 lpfc_used_cpu[i] = LPFC_VECTOR_MAP_EMPTY;
5206 }
5207
7bb03bbf
JS		 5208 /* Initialize io channels for round robin */
5209 cpup = phba->sli4_hba.cpu_map;
5210 rc = 0;
5211 for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
5212 cpup->channel_id = rc;
5213 rc++;
5214 if (rc >= phba->cfg_fcp_io_channel)
5215 rc = 0;
5216 }
5217
912e3acd
JS		 5218 /*
5219 * Enable sr-iov virtual functions if supported and configured
5220 * through the module parameter.
5221 */
5222 if (phba->cfg_sriov_nr_virtfn > 0) {
5223 rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
5224 phba->cfg_sriov_nr_virtfn);
5225 if (rc) {
5226 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
5227 "3020 Requested number of SR-IOV "
5228 "virtual functions (%d) is not "
5229 "supported\n",
5230 phba->cfg_sriov_nr_virtfn);
5231 phba->cfg_sriov_nr_virtfn = 0;
5232 }
5233 }
5234
5248a749 5235 return 0;
da0436e9 5236
7bb03bbf
JS		 5237out_free_msix:
5238 kfree(phba->sli4_hba.msix_entries);
da0436e9
JS		 5239out_free_fcp_eq_hdl:
5240 kfree(phba->sli4_hba.fcp_eq_hdl);
0c9ab6f5
JS		 5241out_free_fcf_rr_bmask:
5242 kfree(phba->fcf.fcf_rr_bmask);
da0436e9
JS		 5243out_remove_rpi_hdrs:
5244 lpfc_sli4_remove_rpi_hdrs(phba);
5245out_free_active_sgl:
5246 lpfc_free_active_sgl(phba);
da0436e9
JS		 5247out_destroy_cq_event_pool:
5248 lpfc_sli4_cq_event_pool_destroy(phba);
da0436e9
JS		 5249out_free_bsmbx:
5250 lpfc_destroy_bootstrap_mbox(phba);
5251out_free_mem:
5252 lpfc_mem_free(phba);
5253 return rc;
5254}
5255
5256/**
5257 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
5258 * @phba: pointer to lpfc hba data structure.
5259 *
5260 * This routine is invoked to unset the driver internal resources set up
5261 * specific for supporting the SLI-4 HBA device it attached to.
5262 **/
5263static void
5264lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba)
5265{
5266 struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry;
5267
7bb03bbf
JS		 5268 /* Free memory allocated for msi-x interrupt vector to CPU mapping */
5269 kfree(phba->sli4_hba.cpu_map);
5270 phba->sli4_hba.num_present_cpu = 0;
5271 phba->sli4_hba.num_online_cpu = 0;
5272
da0436e9
JS		 5273 /* Free memory allocated for msi-x interrupt vector entries */
5274 kfree(phba->sli4_hba.msix_entries);
5275
5276 /* Free memory allocated for fast-path work queue handles */
5277 kfree(phba->sli4_hba.fcp_eq_hdl);
5278
5279 /* Free the allocated rpi headers. */
5280 lpfc_sli4_remove_rpi_hdrs(phba);
d11e31dd 5281 lpfc_sli4_remove_rpis(phba);
da0436e9 5282
0c9ab6f5
JS		 5283 /* Free eligible FCF index bmask */
5284 kfree(phba->fcf.fcf_rr_bmask);
5285
da0436e9
JS		 5286 /* Free the ELS sgl list */
5287 lpfc_free_active_sgl(phba);
8a9d2e80 5288 lpfc_free_els_sgl_list(phba);
da0436e9 5289
da0436e9
JS		 5290 /* Free the completion queue EQ event pool */
5291 lpfc_sli4_cq_event_release_all(phba);
5292 lpfc_sli4_cq_event_pool_destroy(phba);
5293
6d368e53
JS		 5294 /* Release resource identifiers. */
5295 lpfc_sli4_dealloc_resource_identifiers(phba);
5296
da0436e9
JS		 5297 /* Free the bsmbx region. */
5298 lpfc_destroy_bootstrap_mbox(phba);
5299
5300 /* Free the SLI Layer memory with SLI4 HBAs */
5301 lpfc_mem_free_all(phba);
5302
5303 /* Free the current connect table */
5304 list_for_each_entry_safe(conn_entry, next_conn_entry,
4d9ab994
JS		 5305 &phba->fcf_conn_rec_list, list) {
5306 list_del_init(&conn_entry->list);
da0436e9 5307 kfree(conn_entry);
4d9ab994 5308 }
da0436e9
JS		 5309
5310 return;
5311}
5312
5313/**
25985edc 5314 * lpfc_init_api_table_setup - Set up init api function jump table
da0436e9
JS		 5315 * @phba: The hba struct for which this call is being executed.
5316 * @dev_grp: The HBA PCI-Device group number.
5317 *
5318 * This routine sets up the device INIT interface API function jump table
5319 * in @phba struct.
5320 *
5321 * Returns: 0 - success, -ENODEV - failure.
5322 **/
5323int
5324lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
5325{
84d1b006
JS		 5326 phba->lpfc_hba_init_link = lpfc_hba_init_link;
5327 phba->lpfc_hba_down_link = lpfc_hba_down_link;
7f86059a 5328 phba->lpfc_selective_reset = lpfc_selective_reset;
da0436e9
JS		 5329 switch (dev_grp) {
5330 case LPFC_PCI_DEV_LP:
5331 phba->lpfc_hba_down_post = lpfc_hba_down_post_s3;
5332 phba->lpfc_handle_eratt = lpfc_handle_eratt_s3;
5333 phba->lpfc_stop_port = lpfc_stop_port_s3;
5334 break;
5335 case LPFC_PCI_DEV_OC:
5336 phba->lpfc_hba_down_post = lpfc_hba_down_post_s4;
5337 phba->lpfc_handle_eratt = lpfc_handle_eratt_s4;
5338 phba->lpfc_stop_port = lpfc_stop_port_s4;
5339 break;
5340 default:
5341 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5342 "1431 Invalid HBA PCI-device group: 0x%x\n",
5343 dev_grp);
5344 return -ENODEV;
5345 break;
5346 }
5347 return 0;
5348}
5349
5350/**
5351 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
5352 * @phba: pointer to lpfc hba data structure.
5353 *
5354 * This routine is invoked to set up the driver internal resources before the
5355 * device specific resource setup to support the HBA device it attached to.
5356 *
5357 * Return codes
af901ca1 5358 * 0 - successful
da0436e9
JS		 5359 * other values - error
5360 **/
5361static int
5362lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba)
5363{
5364 /*
5365 * Driver resources common to all SLI revisions
5366 */
5367 atomic_set(&phba->fast_event_count, 0);
5368 spin_lock_init(&phba->hbalock);
5369
5370 /* Initialize ndlp management spinlock */
5371 spin_lock_init(&phba->ndlp_lock);
5372
5373 INIT_LIST_HEAD(&phba->port_list);
5374 INIT_LIST_HEAD(&phba->work_list);
5375 init_waitqueue_head(&phba->wait_4_mlo_m_q);
5376
5377 /* Initialize the wait queue head for the kernel thread */
5378 init_waitqueue_head(&phba->work_waitq);
5379
5380 /* Initialize the scsi buffer list used by driver for scsi IO */
a40fc5f0
JS		 5381 spin_lock_init(&phba->scsi_buf_list_get_lock);
5382 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get);
5383 spin_lock_init(&phba->scsi_buf_list_put_lock);
5384 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put);
da0436e9
JS		 5385
5386 /* Initialize the fabric iocb list */
5387 INIT_LIST_HEAD(&phba->fabric_iocb_list);
5388
5389 /* Initialize list to save ELS buffers */
5390 INIT_LIST_HEAD(&phba->elsbuf);
5391
5392 /* Initialize FCF connection rec list */
5393 INIT_LIST_HEAD(&phba->fcf_conn_rec_list);
5394
5395 return 0;
5396}
5397
5398/**
5399 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
5400 * @phba: pointer to lpfc hba data structure.
5401 *
5402 * This routine is invoked to set up the driver internal resources after the
5403 * device specific resource setup to support the HBA device it attached to.
5404 *
5405 * Return codes
af901ca1 5406 * 0 - successful
da0436e9
JS		 5407 * other values - error
5408 **/
5409static int
5410lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba)
5411{
5412 int error;
5413
5414 /* Startup the kernel thread for this host adapter. */
5415 phba->worker_thread = kthread_run(lpfc_do_work, phba,
5416 "lpfc_worker_%d", phba->brd_no);
5417 if (IS_ERR(phba->worker_thread)) {
5418 error = PTR_ERR(phba->worker_thread);
5419 return error;
3772a991
JS		 5420 }
5421
5422 return 0;
5423}
5424
5425/**
5426 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
5427 * @phba: pointer to lpfc hba data structure.
5428 *
5429 * This routine is invoked to unset the driver internal resources set up after
5430 * the device specific resource setup for supporting the HBA device it
5431 * attached to.
5432 **/
5433static void
5434lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba)
5435{
5436 /* Stop kernel worker thread */
5437 kthread_stop(phba->worker_thread);
5438}
5439
5440/**
5441 * lpfc_free_iocb_list - Free iocb list.
5442 * @phba: pointer to lpfc hba data structure.
5443 *
5444 * This routine is invoked to free the driver's IOCB list and memory.
5445 **/
5446static void
5447lpfc_free_iocb_list(struct lpfc_hba *phba)
5448{
5449 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
5450
5451 spin_lock_irq(&phba->hbalock);
5452 list_for_each_entry_safe(iocbq_entry, iocbq_next,
5453 &phba->lpfc_iocb_list, list) {
5454 list_del(&iocbq_entry->list);
5455 kfree(iocbq_entry);
5456 phba->total_iocbq_bufs--;
98c9ea5c 5457 }
3772a991
JS		 5458 spin_unlock_irq(&phba->hbalock);
5459
5460 return;
5461}
5462
5463/**
5464 * lpfc_init_iocb_list - Allocate and initialize iocb list.
5465 * @phba: pointer to lpfc hba data structure.
5466 *
5467 * This routine is invoked to allocate and initizlize the driver's IOCB
5468 * list and set up the IOCB tag array accordingly.
5469 *
5470 * Return codes
af901ca1 5471 * 0 - successful
3772a991
JS		 5472 * other values - error
5473 **/
5474static int
5475lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count)
5476{
5477 struct lpfc_iocbq *iocbq_entry = NULL;
5478 uint16_t iotag;
5479 int i;
dea3101e 5480
5481 /* Initialize and populate the iocb list per host. */
5482 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
3772a991 5483 for (i = 0; i < iocb_count; i++) {
dd00cc48 5484 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
dea3101e 5485 if (iocbq_entry == NULL) {
5486 printk(KERN_ERR "%s: only allocated %d iocbs of "
5487 "expected %d count. Unloading driver.\n",
cadbd4a5 5488 __func__, i, LPFC_IOCB_LIST_CNT);
dea3101e 5489 goto out_free_iocbq;
5490 }
5491
604a3e30
JB		 5492 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
5493 if (iotag == 0) {
3772a991 5494 kfree(iocbq_entry);
604a3e30 5495 printk(KERN_ERR "%s: failed to allocate IOTAG. "
3772a991 5496 "Unloading driver.\n", __func__);
604a3e30
JB		 5497 goto out_free_iocbq;
5498 }
6d368e53 5499 iocbq_entry->sli4_lxritag = NO_XRI;
3772a991 5500 iocbq_entry->sli4_xritag = NO_XRI;
2e0fef85
JS		 5501
5502 spin_lock_irq(&phba->hbalock);
dea3101e 5503 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
5504 phba->total_iocbq_bufs++;
2e0fef85 5505 spin_unlock_irq(&phba->hbalock);
dea3101e 5506 }
5507
3772a991 5508 return 0;
dea3101e 5509
3772a991
JS		 5510out_free_iocbq:
5511 lpfc_free_iocb_list(phba);
dea3101e 5512
3772a991
JS		 5513 return -ENOMEM;
5514}
5e9d9b82 5515
3772a991 5516/**
8a9d2e80 5517 * lpfc_free_sgl_list - Free a given sgl list.
da0436e9 5518 * @phba: pointer to lpfc hba data structure.
8a9d2e80 5519 * @sglq_list: pointer to the head of sgl list.
3772a991 5520 *
8a9d2e80 5521 * This routine is invoked to free a give sgl list and memory.
3772a991 5522 **/
8a9d2e80
JS		 5523void
5524lpfc_free_sgl_list(struct lpfc_hba *phba, struct list_head *sglq_list)
3772a991 5525{
da0436e9 5526 struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
8a9d2e80
JS		 5527
5528 list_for_each_entry_safe(sglq_entry, sglq_next, sglq_list, list) {
5529 list_del(&sglq_entry->list);
5530 lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys);
5531 kfree(sglq_entry);
5532 }
5533}
5534
5535/**
5536 * lpfc_free_els_sgl_list - Free els sgl list.
5537 * @phba: pointer to lpfc hba data structure.
5538 *
5539 * This routine is invoked to free the driver's els sgl list and memory.
5540 **/
5541static void
5542lpfc_free_els_sgl_list(struct lpfc_hba *phba)
5543{
da0436e9 5544 LIST_HEAD(sglq_list);
dea3101e 5545
8a9d2e80 5546 /* Retrieve all els sgls from driver list */
da0436e9
JS		 5547 spin_lock_irq(&phba->hbalock);
5548 list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list);
5549 spin_unlock_irq(&phba->hbalock);
dea3101e 5550
8a9d2e80
JS		 5551 /* Now free the sgl list */
5552 lpfc_free_sgl_list(phba, &sglq_list);
da0436e9 5553}
92d7f7b0 5554
da0436e9
JS		 5555/**
5556 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
5557 * @phba: pointer to lpfc hba data structure.
5558 *
5559 * This routine is invoked to allocate the driver's active sgl memory.
5560 * This array will hold the sglq_entry's for active IOs.
5561 **/
5562static int
5563lpfc_init_active_sgl_array(struct lpfc_hba *phba)
5564{
5565 int size;
5566 size = sizeof(struct lpfc_sglq *);
5567 size *= phba->sli4_hba.max_cfg_param.max_xri;
5568
5569 phba->sli4_hba.lpfc_sglq_active_list =
5570 kzalloc(size, GFP_KERNEL);
5571 if (!phba->sli4_hba.lpfc_sglq_active_list)
5572 return -ENOMEM;
5573 return 0;
3772a991
JS		 5574}
5575
5576/**
da0436e9 5577 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
3772a991
JS		 5578 * @phba: pointer to lpfc hba data structure.
5579 *
da0436e9
JS		 5580 * This routine is invoked to walk through the array of active sglq entries
5581 * and free all of the resources.
5582 * This is just a place holder for now.
3772a991
JS		 5583 **/
5584static void
da0436e9 5585lpfc_free_active_sgl(struct lpfc_hba *phba)
3772a991 5586{
da0436e9 5587 kfree(phba->sli4_hba.lpfc_sglq_active_list);
3772a991
JS		 5588}
5589
5590/**
da0436e9 5591 * lpfc_init_sgl_list - Allocate and initialize sgl list.
3772a991
JS		 5592 * @phba: pointer to lpfc hba data structure.
5593 *
da0436e9
JS		 5594 * This routine is invoked to allocate and initizlize the driver's sgl
5595 * list and set up the sgl xritag tag array accordingly.
3772a991 5596 *
3772a991 5597 **/
8a9d2e80 5598static void
da0436e9 5599lpfc_init_sgl_list(struct lpfc_hba *phba)
3772a991 5600{
da0436e9
JS		 5601 /* Initialize and populate the sglq list per host/VF. */
5602 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list);
5603 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list);
5604
8a9d2e80
JS		 5605 /* els xri-sgl book keeping */
5606 phba->sli4_hba.els_xri_cnt = 0;
0ff10d46 5607
8a9d2e80 5608 /* scsi xri-buffer book keeping */
da0436e9 5609 phba->sli4_hba.scsi_xri_cnt = 0;
da0436e9
JS		 5610}
5611
5612/**
5613 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
5614 * @phba: pointer to lpfc hba data structure.
5615 *
5616 * This routine is invoked to post rpi header templates to the
88a2cfbb 5617 * port for those SLI4 ports that do not support extents. This routine
da0436e9 5618 * posts a PAGE_SIZE memory region to the port to hold up to
88a2cfbb
JS		 5619 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
5620 * and should be called only when interrupts are disabled.
da0436e9
JS		 5621 *
5622 * Return codes
af901ca1 5623 * 0 - successful
88a2cfbb 5624 * -ERROR - otherwise.
da0436e9
JS		 5625 **/
5626int
5627lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba)
5628{
5629 int rc = 0;
da0436e9
JS		 5630 struct lpfc_rpi_hdr *rpi_hdr;
5631
5632 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list);
ff78d8f9 5633 if (!phba->sli4_hba.rpi_hdrs_in_use)
6d368e53 5634 return rc;
6d368e53
JS		 5635 if (phba->sli4_hba.extents_in_use)
5636 return -EIO;
da0436e9
JS		 5637
5638 rpi_hdr = lpfc_sli4_create_rpi_hdr(phba);
5639 if (!rpi_hdr) {
5640 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
5641 "0391 Error during rpi post operation\n");
5642 lpfc_sli4_remove_rpis(phba);
5643 rc = -ENODEV;
5644 }
5645
5646 return rc;
5647}
5648
5649/**
5650 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
5651 * @phba: pointer to lpfc hba data structure.
5652 *
5653 * This routine is invoked to allocate a single 4KB memory region to
5654 * support rpis and stores them in the phba. This single region
5655 * provides support for up to 64 rpis. The region is used globally
5656 * by the device.
5657 *
5658 * Returns:
5659 * A valid rpi hdr on success.
5660 * A NULL pointer on any failure.
5661 **/
5662struct lpfc_rpi_hdr *
5663lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
5664{
5665 uint16_t rpi_limit, curr_rpi_range;
5666 struct lpfc_dmabuf *dmabuf;
5667 struct lpfc_rpi_hdr *rpi_hdr;
9589b062 5668 uint32_t rpi_count;
da0436e9 5669
6d368e53
JS		 5670 /*
5671 * If the SLI4 port supports extents, posting the rpi header isn't
5672 * required. Set the expected maximum count and let the actual value
5673 * get set when extents are fully allocated.
5674 */
5675 if (!phba->sli4_hba.rpi_hdrs_in_use)
5676 return NULL;
5677 if (phba->sli4_hba.extents_in_use)
5678 return NULL;
5679
5680 /* The limit on the logical index is just the max_rpi count. */
da0436e9 5681 rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base +
6d368e53 5682 phba->sli4_hba.max_cfg_param.max_rpi - 1;
da0436e9
JS		 5683
5684 spin_lock_irq(&phba->hbalock);
6d368e53
JS		 5685 /*
5686 * Establish the starting RPI in this header block. The starting
5687 * rpi is normalized to a zero base because the physical rpi is
5688 * port based.
5689 */
97f2ecf1 5690 curr_rpi_range = phba->sli4_hba.next_rpi;
da0436e9
JS		 5691 spin_unlock_irq(&phba->hbalock);
5692
5693 /*
5694 * The port has a limited number of rpis. The increment here
5695 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
5696 * and to allow the full max_rpi range per port.
5697 */
5698 if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit)
9589b062
JS		 5699 rpi_count = rpi_limit - curr_rpi_range;
5700 else
5701 rpi_count = LPFC_RPI_HDR_COUNT;
da0436e9 5702
6d368e53
JS		 5703 if (!rpi_count)
5704 return NULL;
da0436e9
JS		 5705 /*
5706 * First allocate the protocol header region for the port. The
5707 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
5708 */
5709 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
5710 if (!dmabuf)
5711 return NULL;
5712
5713 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
5714 LPFC_HDR_TEMPLATE_SIZE,
5715 &dmabuf->phys,
5716 GFP_KERNEL);
5717 if (!dmabuf->virt) {
5718 rpi_hdr = NULL;
5719 goto err_free_dmabuf;
5720 }
5721
5722 memset(dmabuf->virt, 0, LPFC_HDR_TEMPLATE_SIZE);
5723 if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) {
5724 rpi_hdr = NULL;
5725 goto err_free_coherent;
5726 }
5727
5728 /* Save the rpi header data for cleanup later. */
5729 rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL);
5730 if (!rpi_hdr)
5731 goto err_free_coherent;
5732
5733 rpi_hdr->dmabuf = dmabuf;
5734 rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE;
5735 rpi_hdr->page_count = 1;
5736 spin_lock_irq(&phba->hbalock);
6d368e53
JS		 5737
5738 /* The rpi_hdr stores the logical index only. */
5739 rpi_hdr->start_rpi = curr_rpi_range;
da0436e9
JS		 5740 list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list);
5741
5742 /*
6d368e53
JS		 5743 * The next_rpi stores the next logical module-64 rpi value used
5744 * to post physical rpis in subsequent rpi postings.
da0436e9 5745 */
9589b062 5746 phba->sli4_hba.next_rpi += rpi_count;
da0436e9
JS		 5747 spin_unlock_irq(&phba->hbalock);
5748 return rpi_hdr;
5749
5750 err_free_coherent:
5751 dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE,
5752 dmabuf->virt, dmabuf->phys);
5753 err_free_dmabuf:
5754 kfree(dmabuf);
5755 return NULL;
5756}
5757
5758/**
5759 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
5760 * @phba: pointer to lpfc hba data structure.
5761 *
5762 * This routine is invoked to remove all memory resources allocated
6d368e53
JS		 5763 * to support rpis for SLI4 ports not supporting extents. This routine
5764 * presumes the caller has released all rpis consumed by fabric or port
5765 * logins and is prepared to have the header pages removed.
da0436e9
JS		 5766 **/
5767void
5768lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba)
5769{
5770 struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr;
5771
6d368e53
JS		 5772 if (!phba->sli4_hba.rpi_hdrs_in_use)
5773 goto exit;
5774
da0436e9
JS		 5775 list_for_each_entry_safe(rpi_hdr, next_rpi_hdr,
5776 &phba->sli4_hba.lpfc_rpi_hdr_list, list) {
5777 list_del(&rpi_hdr->list);
5778 dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len,
5779 rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys);
5780 kfree(rpi_hdr->dmabuf);
5781 kfree(rpi_hdr);
5782 }
6d368e53
JS		 5783 exit:
5784 /* There are no rpis available to the port now. */
5785 phba->sli4_hba.next_rpi = 0;
da0436e9
JS		 5786}
5787
5788/**
5789 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
5790 * @pdev: pointer to pci device data structure.
5791 *
5792 * This routine is invoked to allocate the driver hba data structure for an
5793 * HBA device. If the allocation is successful, the phba reference to the
5794 * PCI device data structure is set.
5795 *
5796 * Return codes
af901ca1 5797 * pointer to @phba - successful
da0436e9
JS		 5798 * NULL - error
5799 **/
5800static struct lpfc_hba *
5801lpfc_hba_alloc(struct pci_dev *pdev)
5802{
5803 struct lpfc_hba *phba;
5804
5805 /* Allocate memory for HBA structure */
5806 phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL);
5807 if (!phba) {
e34ccdfe 5808 dev_err(&pdev->dev, "failed to allocate hba struct\n");
da0436e9
JS		 5809 return NULL;
5810 }
5811
5812 /* Set reference to PCI device in HBA structure */
5813 phba->pcidev = pdev;
5814
5815 /* Assign an unused board number */
5816 phba->brd_no = lpfc_get_instance();
5817 if (phba->brd_no < 0) {
5818 kfree(phba);
5819 return NULL;
5820 }
5821
4fede78f 5822 spin_lock_init(&phba->ct_ev_lock);
f1c3b0fc
JS		 5823 INIT_LIST_HEAD(&phba->ct_ev_waiters);
5824
da0436e9
JS		 5825 return phba;
5826}
5827
5828/**
5829 * lpfc_hba_free - Free driver hba data structure with a device.
5830 * @phba: pointer to lpfc hba data structure.
5831 *
5832 * This routine is invoked to free the driver hba data structure with an
5833 * HBA device.
5834 **/
5835static void
5836lpfc_hba_free(struct lpfc_hba *phba)
5837{
5838 /* Release the driver assigned board number */
5839 idr_remove(&lpfc_hba_index, phba->brd_no);
5840
2a76a283
JS		 5841 /* Free memory allocated with sli rings */
5842 kfree(phba->sli.ring);
5843 phba->sli.ring = NULL;
5844
da0436e9
JS		 5845 kfree(phba);
5846 return;
5847}
5848
5849/**
5850 * lpfc_create_shost - Create hba physical port with associated scsi host.
5851 * @phba: pointer to lpfc hba data structure.
5852 *
5853 * This routine is invoked to create HBA physical port and associate a SCSI
5854 * host with it.
5855 *
5856 * Return codes
af901ca1 5857 * 0 - successful
da0436e9
JS		 5858 * other values - error
5859 **/
5860static int
5861lpfc_create_shost(struct lpfc_hba *phba)
5862{
5863 struct lpfc_vport *vport;
5864 struct Scsi_Host *shost;
5865
5866 /* Initialize HBA FC structure */
5867 phba->fc_edtov = FF_DEF_EDTOV;
5868 phba->fc_ratov = FF_DEF_RATOV;
5869 phba->fc_altov = FF_DEF_ALTOV;
5870 phba->fc_arbtov = FF_DEF_ARBTOV;
5871
d7c47992 5872 atomic_set(&phba->sdev_cnt, 0);
da0436e9
JS		 5873 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
5874 if (!vport)
5875 return -ENODEV;
5876
5877 shost = lpfc_shost_from_vport(vport);
5878 phba->pport = vport;
5879 lpfc_debugfs_initialize(vport);
5880 /* Put reference to SCSI host to driver's device private data */
5881 pci_set_drvdata(phba->pcidev, shost);
2e0fef85 5882
3772a991
JS		 5883 return 0;
5884}
db2378e0 5885
3772a991
JS		 5886/**
5887 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
5888 * @phba: pointer to lpfc hba data structure.
5889 *
5890 * This routine is invoked to destroy HBA physical port and the associated
5891 * SCSI host.
5892 **/
5893static void
5894lpfc_destroy_shost(struct lpfc_hba *phba)
5895{
5896 struct lpfc_vport *vport = phba->pport;
5897
5898 /* Destroy physical port that associated with the SCSI host */
5899 destroy_port(vport);
5900
5901 return;
5902}
5903
5904/**
5905 * lpfc_setup_bg - Setup Block guard structures and debug areas.
5906 * @phba: pointer to lpfc hba data structure.
5907 * @shost: the shost to be used to detect Block guard settings.
5908 *
5909 * This routine sets up the local Block guard protocol settings for @shost.
5910 * This routine also allocates memory for debugging bg buffers.
5911 **/
5912static void
5913lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost)
5914{
bbeb79b9
JS		 5915 uint32_t old_mask;
5916 uint32_t old_guard;
5917
3772a991
JS		 5918 int pagecnt = 10;
5919 if (lpfc_prot_mask && lpfc_prot_guard) {
5920 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5921 "1478 Registering BlockGuard with the "
5922 "SCSI layer\n");
bbeb79b9
JS		 5923
5924 old_mask = lpfc_prot_mask;
5925 old_guard = lpfc_prot_guard;
5926
5927 /* Only allow supported values */
5928 lpfc_prot_mask &= (SHOST_DIF_TYPE1_PROTECTION |
5929 SHOST_DIX_TYPE0_PROTECTION |
5930 SHOST_DIX_TYPE1_PROTECTION);
5931 lpfc_prot_guard &= (SHOST_DIX_GUARD_IP | SHOST_DIX_GUARD_CRC);
5932
5933 /* DIF Type 1 protection for profiles AST1/C1 is end to end */
5934 if (lpfc_prot_mask == SHOST_DIX_TYPE1_PROTECTION)
5935 lpfc_prot_mask |= SHOST_DIF_TYPE1_PROTECTION;
5936
5937 if (lpfc_prot_mask && lpfc_prot_guard) {
5938 if ((old_mask != lpfc_prot_mask) ||
5939 (old_guard != lpfc_prot_guard))
5940 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5941 "1475 Registering BlockGuard with the "
5942 "SCSI layer: mask %d guard %d\n",
5943 lpfc_prot_mask, lpfc_prot_guard);
5944
5945 scsi_host_set_prot(shost, lpfc_prot_mask);
5946 scsi_host_set_guard(shost, lpfc_prot_guard);
5947 } else
5948 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5949 "1479 Not Registering BlockGuard with the SCSI "
5950 "layer, Bad protection parameters: %d %d\n",
5951 old_mask, old_guard);
3772a991 5952 }
bbeb79b9 5953
3772a991
JS		 5954 if (!_dump_buf_data) {
5955 while (pagecnt) {
5956 spin_lock_init(&_dump_buf_lock);
5957 _dump_buf_data =
5958 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
5959 if (_dump_buf_data) {
6a9c52cf
JS		 5960 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5961 "9043 BLKGRD: allocated %d pages for "
3772a991
JS		 5962 "_dump_buf_data at 0x%p\n",
5963 (1 << pagecnt), _dump_buf_data);
5964 _dump_buf_data_order = pagecnt;
5965 memset(_dump_buf_data, 0,
5966 ((1 << PAGE_SHIFT) << pagecnt));
5967 break;
5968 } else
5969 --pagecnt;
5970 }
5971 if (!_dump_buf_data_order)
6a9c52cf
JS		 5972 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5973 "9044 BLKGRD: ERROR unable to allocate "
3772a991
JS		 5974 "memory for hexdump\n");
5975 } else
6a9c52cf
JS		 5976 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5977 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
3772a991
JS		 5978 "\n", _dump_buf_data);
5979 if (!_dump_buf_dif) {
5980 while (pagecnt) {
5981 _dump_buf_dif =
5982 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
5983 if (_dump_buf_dif) {
6a9c52cf
JS		 5984 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5985 "9046 BLKGRD: allocated %d pages for "
3772a991
JS		 5986 "_dump_buf_dif at 0x%p\n",
5987 (1 << pagecnt), _dump_buf_dif);
5988 _dump_buf_dif_order = pagecnt;
5989 memset(_dump_buf_dif, 0,
5990 ((1 << PAGE_SHIFT) << pagecnt));
5991 break;
5992 } else
5993 --pagecnt;
5994 }
5995 if (!_dump_buf_dif_order)
6a9c52cf
JS		 5996 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5997 "9047 BLKGRD: ERROR unable to allocate "
3772a991
JS		 5998 "memory for hexdump\n");
5999 } else
6a9c52cf
JS		 6000 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
6001 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
3772a991
JS		 6002 _dump_buf_dif);
6003}
6004
6005/**
6006 * lpfc_post_init_setup - Perform necessary device post initialization setup.
6007 * @phba: pointer to lpfc hba data structure.
6008 *
6009 * This routine is invoked to perform all the necessary post initialization
6010 * setup for the device.
6011 **/
6012static void
6013lpfc_post_init_setup(struct lpfc_hba *phba)
6014{
6015 struct Scsi_Host *shost;
6016 struct lpfc_adapter_event_header adapter_event;
6017
6018 /* Get the default values for Model Name and Description */
6019 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
6020
6021 /*
6022 * hba setup may have changed the hba_queue_depth so we need to
6023 * adjust the value of can_queue.
6024 */
6025 shost = pci_get_drvdata(phba->pcidev);
6026 shost->can_queue = phba->cfg_hba_queue_depth - 10;
6027 if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
6028 lpfc_setup_bg(phba, shost);
6029
6030 lpfc_host_attrib_init(shost);
6031
6032 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
6033 spin_lock_irq(shost->host_lock);
6034 lpfc_poll_start_timer(phba);
6035 spin_unlock_irq(shost->host_lock);
6036 }
6037
6038 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6039 "0428 Perform SCSI scan\n");
6040 /* Send board arrival event to upper layer */
6041 adapter_event.event_type = FC_REG_ADAPTER_EVENT;
6042 adapter_event.subcategory = LPFC_EVENT_ARRIVAL;
6043 fc_host_post_vendor_event(shost, fc_get_event_number(),
6044 sizeof(adapter_event),
6045 (char *) &adapter_event,
6046 LPFC_NL_VENDOR_ID);
6047 return;
6048}
6049
6050/**
6051 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
6052 * @phba: pointer to lpfc hba data structure.
6053 *
6054 * This routine is invoked to set up the PCI device memory space for device
6055 * with SLI-3 interface spec.
6056 *
6057 * Return codes
af901ca1 6058 * 0 - successful
3772a991
JS		 6059 * other values - error
6060 **/
6061static int
6062lpfc_sli_pci_mem_setup(struct lpfc_hba *phba)
6063{
6064 struct pci_dev *pdev;
6065 unsigned long bar0map_len, bar2map_len;
6066 int i, hbq_count;
6067 void *ptr;
6068 int error = -ENODEV;
6069
6070 /* Obtain PCI device reference */
6071 if (!phba->pcidev)
6072 return error;
6073 else
6074 pdev = phba->pcidev;
6075
6076 /* Set the device DMA mask size */
8e68597d
MR		 6077 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0
6078 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) {
6079 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0
6080 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) {
3772a991 6081 return error;
8e68597d
MR		 6082 }
6083 }
3772a991
JS		 6084
6085 /* Get the bus address of Bar0 and Bar2 and the number of bytes
6086 * required by each mapping.
6087 */
6088 phba->pci_bar0_map = pci_resource_start(pdev, 0);
6089 bar0map_len = pci_resource_len(pdev, 0);
6090
6091 phba->pci_bar2_map = pci_resource_start(pdev, 2);
6092 bar2map_len = pci_resource_len(pdev, 2);
6093
6094 /* Map HBA SLIM to a kernel virtual address. */
6095 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
6096 if (!phba->slim_memmap_p) {
6097 dev_printk(KERN_ERR, &pdev->dev,
6098 "ioremap failed for SLIM memory.\n");
6099 goto out;
6100 }
6101
6102 /* Map HBA Control Registers to a kernel virtual address. */
6103 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
6104 if (!phba->ctrl_regs_memmap_p) {
6105 dev_printk(KERN_ERR, &pdev->dev,
6106 "ioremap failed for HBA control registers.\n");
6107 goto out_iounmap_slim;
6108 }
6109
6110 /* Allocate memory for SLI-2 structures */
6111 phba->slim2p.virt = dma_alloc_coherent(&pdev->dev,
6112 SLI2_SLIM_SIZE,
6113 &phba->slim2p.phys,
6114 GFP_KERNEL);
6115 if (!phba->slim2p.virt)
6116 goto out_iounmap;
6117
6118 memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE);
6119 phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx);
7a470277
JS		 6120 phba->mbox_ext = (phba->slim2p.virt +
6121 offsetof(struct lpfc_sli2_slim, mbx_ext_words));
3772a991
JS		 6122 phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb));
6123 phba->IOCBs = (phba->slim2p.virt +
6124 offsetof(struct lpfc_sli2_slim, IOCBs));
6125
6126 phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev,
6127 lpfc_sli_hbq_size(),
6128 &phba->hbqslimp.phys,
6129 GFP_KERNEL);
6130 if (!phba->hbqslimp.virt)
6131 goto out_free_slim;
6132
6133 hbq_count = lpfc_sli_hbq_count();
6134 ptr = phba->hbqslimp.virt;
6135 for (i = 0; i < hbq_count; ++i) {
6136 phba->hbqs[i].hbq_virt = ptr;
6137 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
6138 ptr += (lpfc_hbq_defs[i]->entry_count *
6139 sizeof(struct lpfc_hbq_entry));
6140 }
6141 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
6142 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
6143
6144 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
6145
6146 INIT_LIST_HEAD(&phba->rb_pend_list);
6147
6148 phba->MBslimaddr = phba->slim_memmap_p;
6149 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
6150 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
6151 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
6152 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
6153
6154 return 0;
6155
6156out_free_slim:
6157 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
6158 phba->slim2p.virt, phba->slim2p.phys);
6159out_iounmap:
6160 iounmap(phba->ctrl_regs_memmap_p);
6161out_iounmap_slim:
6162 iounmap(phba->slim_memmap_p);
6163out:
6164 return error;
6165}
6166
6167/**
6168 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
6169 * @phba: pointer to lpfc hba data structure.
6170 *
6171 * This routine is invoked to unset the PCI device memory space for device
6172 * with SLI-3 interface spec.
6173 **/
6174static void
6175lpfc_sli_pci_mem_unset(struct lpfc_hba *phba)
6176{
6177 struct pci_dev *pdev;
6178
6179 /* Obtain PCI device reference */
6180 if (!phba->pcidev)
6181 return;
6182 else
6183 pdev = phba->pcidev;
6184
6185 /* Free coherent DMA memory allocated */
6186 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
6187 phba->hbqslimp.virt, phba->hbqslimp.phys);
6188 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
6189 phba->slim2p.virt, phba->slim2p.phys);
6190
6191 /* I/O memory unmap */
6192 iounmap(phba->ctrl_regs_memmap_p);
6193 iounmap(phba->slim_memmap_p);
6194
6195 return;
6196}
6197
6198/**
da0436e9 6199 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
3772a991
JS		 6200 * @phba: pointer to lpfc hba data structure.
6201 *
da0436e9
JS		 6202 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
6203 * done and check status.
3772a991 6204 *
da0436e9 6205 * Return 0 if successful, otherwise -ENODEV.
3772a991 6206 **/
da0436e9
JS		 6207int
6208lpfc_sli4_post_status_check(struct lpfc_hba *phba)
3772a991 6209{
2fcee4bf
JS		 6210 struct lpfc_register portsmphr_reg, uerrlo_reg, uerrhi_reg;
6211 struct lpfc_register reg_data;
6212 int i, port_error = 0;
6213 uint32_t if_type;
3772a991 6214
9940b97b
JS		 6215 memset(&portsmphr_reg, 0, sizeof(portsmphr_reg));
6216 memset(&reg_data, 0, sizeof(reg_data));
2fcee4bf 6217 if (!phba->sli4_hba.PSMPHRregaddr)
da0436e9 6218 return -ENODEV;
3772a991 6219
da0436e9
JS		 6220 /* Wait up to 30 seconds for the SLI Port POST done and ready */
6221 for (i = 0; i < 3000; i++) {
9940b97b
JS		 6222 if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr,
6223 &portsmphr_reg.word0) ||
6224 (bf_get(lpfc_port_smphr_perr, &portsmphr_reg))) {
2fcee4bf 6225 /* Port has a fatal POST error, break out */
da0436e9
JS		 6226 port_error = -ENODEV;
6227 break;
6228 }
2fcee4bf
JS		 6229 if (LPFC_POST_STAGE_PORT_READY ==
6230 bf_get(lpfc_port_smphr_port_status, &portsmphr_reg))
da0436e9 6231 break;
da0436e9 6232 msleep(10);
3772a991
JS		 6233 }
6234
2fcee4bf
JS		 6235 /*
6236 * If there was a port error during POST, then don't proceed with
6237 * other register reads as the data may not be valid. Just exit.
6238 */
6239 if (port_error) {
da0436e9 6240 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2fcee4bf
JS		 6241 "1408 Port Failed POST - portsmphr=0x%x, "
6242 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
6243 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
6244 portsmphr_reg.word0,
6245 bf_get(lpfc_port_smphr_perr, &portsmphr_reg),
6246 bf_get(lpfc_port_smphr_sfi, &portsmphr_reg),
6247 bf_get(lpfc_port_smphr_nip, &portsmphr_reg),
6248 bf_get(lpfc_port_smphr_ipc, &portsmphr_reg),
6249 bf_get(lpfc_port_smphr_scr1, &portsmphr_reg),
6250 bf_get(lpfc_port_smphr_scr2, &portsmphr_reg),
6251 bf_get(lpfc_port_smphr_host_scratch, &portsmphr_reg),
6252 bf_get(lpfc_port_smphr_port_status, &portsmphr_reg));
6253 } else {
28baac74 6254 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2fcee4bf
JS		 6255 "2534 Device Info: SLIFamily=0x%x, "
6256 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
6257 "SLIHint_2=0x%x, FT=0x%x\n",
28baac74
JS		 6258 bf_get(lpfc_sli_intf_sli_family,
6259 &phba->sli4_hba.sli_intf),
6260 bf_get(lpfc_sli_intf_slirev,
6261 &phba->sli4_hba.sli_intf),
085c647c
JS		 6262 bf_get(lpfc_sli_intf_if_type,
6263 &phba->sli4_hba.sli_intf),
6264 bf_get(lpfc_sli_intf_sli_hint1,
28baac74 6265 &phba->sli4_hba.sli_intf),
085c647c
JS		 6266 bf_get(lpfc_sli_intf_sli_hint2,
6267 &phba->sli4_hba.sli_intf),
6268 bf_get(lpfc_sli_intf_func_type,
28baac74 6269 &phba->sli4_hba.sli_intf));
2fcee4bf
JS		 6270 /*
6271 * Check for other Port errors during the initialization
6272 * process. Fail the load if the port did not come up
6273 * correctly.
6274 */
6275 if_type = bf_get(lpfc_sli_intf_if_type,
6276 &phba->sli4_hba.sli_intf);
6277 switch (if_type) {
6278 case LPFC_SLI_INTF_IF_TYPE_0:
6279 phba->sli4_hba.ue_mask_lo =
6280 readl(phba->sli4_hba.u.if_type0.UEMASKLOregaddr);
6281 phba->sli4_hba.ue_mask_hi =
6282 readl(phba->sli4_hba.u.if_type0.UEMASKHIregaddr);
6283 uerrlo_reg.word0 =
6284 readl(phba->sli4_hba.u.if_type0.UERRLOregaddr);
6285 uerrhi_reg.word0 =
6286 readl(phba->sli4_hba.u.if_type0.UERRHIregaddr);
6287 if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) ||
6288 (~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) {
6289 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6290 "1422 Unrecoverable Error "
6291 "Detected during POST "
6292 "uerr_lo_reg=0x%x, "
6293 "uerr_hi_reg=0x%x, "
6294 "ue_mask_lo_reg=0x%x, "
6295 "ue_mask_hi_reg=0x%x\n",
6296 uerrlo_reg.word0,
6297 uerrhi_reg.word0,
6298 phba->sli4_hba.ue_mask_lo,
6299 phba->sli4_hba.ue_mask_hi);
6300 port_error = -ENODEV;
6301 }
6302 break;
6303 case LPFC_SLI_INTF_IF_TYPE_2:
6304 /* Final checks. The port status should be clean. */
9940b97b
JS		 6305 if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
6306 &reg_data.word0) ||
0558056c
JS		 6307 (bf_get(lpfc_sliport_status_err, &reg_data) &&
6308 !bf_get(lpfc_sliport_status_rn, &reg_data))) {
2fcee4bf
JS		 6309 phba->work_status[0] =
6310 readl(phba->sli4_hba.u.if_type2.
6311 ERR1regaddr);
6312 phba->work_status[1] =
6313 readl(phba->sli4_hba.u.if_type2.
6314 ERR2regaddr);
6315 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8fcb8acd
JS		 6316 "2888 Unrecoverable port error "
6317 "following POST: port status reg "
6318 "0x%x, port_smphr reg 0x%x, "
2fcee4bf
JS		 6319 "error 1=0x%x, error 2=0x%x\n",
6320 reg_data.word0,
6321 portsmphr_reg.word0,
6322 phba->work_status[0],
6323 phba->work_status[1]);
6324 port_error = -ENODEV;
6325 }
6326 break;
6327 case LPFC_SLI_INTF_IF_TYPE_1:
6328 default:
6329 break;
6330 }
28baac74 6331 }
da0436e9
JS		 6332 return port_error;
6333}
3772a991 6334
da0436e9
JS		 6335/**
6336 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
6337 * @phba: pointer to lpfc hba data structure.
2fcee4bf 6338 * @if_type: The SLI4 interface type getting configured.
da0436e9
JS		 6339 *
6340 * This routine is invoked to set up SLI4 BAR0 PCI config space register
6341 * memory map.
6342 **/
6343static void
2fcee4bf
JS		 6344lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type)
6345{
6346 switch (if_type) {
6347 case LPFC_SLI_INTF_IF_TYPE_0:
6348 phba->sli4_hba.u.if_type0.UERRLOregaddr =
6349 phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_LO;
6350 phba->sli4_hba.u.if_type0.UERRHIregaddr =
6351 phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_HI;
6352 phba->sli4_hba.u.if_type0.UEMASKLOregaddr =
6353 phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_LO;
6354 phba->sli4_hba.u.if_type0.UEMASKHIregaddr =
6355 phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_HI;
6356 phba->sli4_hba.SLIINTFregaddr =
6357 phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
6358 break;
6359 case LPFC_SLI_INTF_IF_TYPE_2:
6360 phba->sli4_hba.u.if_type2.ERR1regaddr =
88a2cfbb
JS		 6361 phba->sli4_hba.conf_regs_memmap_p +
6362 LPFC_CTL_PORT_ER1_OFFSET;
2fcee4bf 6363 phba->sli4_hba.u.if_type2.ERR2regaddr =
88a2cfbb
JS		 6364 phba->sli4_hba.conf_regs_memmap_p +
6365 LPFC_CTL_PORT_ER2_OFFSET;
2fcee4bf 6366 phba->sli4_hba.u.if_type2.CTRLregaddr =
88a2cfbb
JS		 6367 phba->sli4_hba.conf_regs_memmap_p +
6368 LPFC_CTL_PORT_CTL_OFFSET;
2fcee4bf 6369 phba->sli4_hba.u.if_type2.STATUSregaddr =
88a2cfbb
JS		 6370 phba->sli4_hba.conf_regs_memmap_p +
6371 LPFC_CTL_PORT_STA_OFFSET;
2fcee4bf
JS		 6372 phba->sli4_hba.SLIINTFregaddr =
6373 phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
6374 phba->sli4_hba.PSMPHRregaddr =
88a2cfbb
JS		 6375 phba->sli4_hba.conf_regs_memmap_p +
6376 LPFC_CTL_PORT_SEM_OFFSET;
2fcee4bf 6377 phba->sli4_hba.RQDBregaddr =
962bc51b
JS		 6378 phba->sli4_hba.conf_regs_memmap_p +
6379 LPFC_ULP0_RQ_DOORBELL;
2fcee4bf 6380 phba->sli4_hba.WQDBregaddr =
962bc51b
JS		 6381 phba->sli4_hba.conf_regs_memmap_p +
6382 LPFC_ULP0_WQ_DOORBELL;
2fcee4bf
JS		 6383 phba->sli4_hba.EQCQDBregaddr =
6384 phba->sli4_hba.conf_regs_memmap_p + LPFC_EQCQ_DOORBELL;
6385 phba->sli4_hba.MQDBregaddr =
6386 phba->sli4_hba.conf_regs_memmap_p + LPFC_MQ_DOORBELL;
6387 phba->sli4_hba.BMBXregaddr =
6388 phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX;
6389 break;
6390 case LPFC_SLI_INTF_IF_TYPE_1:
6391 default:
6392 dev_printk(KERN_ERR, &phba->pcidev->dev,
6393 "FATAL - unsupported SLI4 interface type - %d\n",
6394 if_type);
6395 break;
6396 }
da0436e9 6397}
3772a991 6398
da0436e9
JS		 6399/**
6400 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
6401 * @phba: pointer to lpfc hba data structure.
6402 *
6403 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
6404 * memory map.
6405 **/
6406static void
6407lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba)
6408{
2fcee4bf
JS		 6409 phba->sli4_hba.PSMPHRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
6410 LPFC_SLIPORT_IF0_SMPHR;
da0436e9 6411 phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6412 LPFC_HST_ISR0;
da0436e9 6413 phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6414 LPFC_HST_IMR0;
da0436e9 6415 phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6416 LPFC_HST_ISCR0;
3772a991
JS		 6417}
6418
6419/**
da0436e9 6420 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
3772a991 6421 * @phba: pointer to lpfc hba data structure.
da0436e9 6422 * @vf: virtual function number
3772a991 6423 *
da0436e9
JS		 6424 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
6425 * based on the given viftual function number, @vf.
6426 *
6427 * Return 0 if successful, otherwise -ENODEV.
3772a991 6428 **/
da0436e9
JS		 6429static int
6430lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf)
3772a991 6431{
da0436e9
JS		 6432 if (vf > LPFC_VIR_FUNC_MAX)
6433 return -ENODEV;
3772a991 6434
da0436e9 6435 phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
962bc51b
JS		 6436 vf * LPFC_VFR_PAGE_SIZE +
6437 LPFC_ULP0_RQ_DOORBELL);
da0436e9 6438 phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
962bc51b
JS		 6439 vf * LPFC_VFR_PAGE_SIZE +
6440 LPFC_ULP0_WQ_DOORBELL);
da0436e9
JS		 6441 phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6442 vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL);
6443 phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6444 vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL);
6445 phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6446 vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX);
6447 return 0;
3772a991
JS		 6448}
6449
6450/**
da0436e9 6451 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
3772a991
JS		 6452 * @phba: pointer to lpfc hba data structure.
6453 *
da0436e9
JS		 6454 * This routine is invoked to create the bootstrap mailbox
6455 * region consistent with the SLI-4 interface spec. This
6456 * routine allocates all memory necessary to communicate
6457 * mailbox commands to the port and sets up all alignment
6458 * needs. No locks are expected to be held when calling
6459 * this routine.
3772a991
JS		 6460 *
6461 * Return codes
af901ca1 6462 * 0 - successful
d439d286 6463 * -ENOMEM - could not allocated memory.
da0436e9 6464 **/
3772a991 6465static int
da0436e9 6466lpfc_create_bootstrap_mbox(struct lpfc_hba *phba)
3772a991 6467{
da0436e9
JS		 6468 uint32_t bmbx_size;
6469 struct lpfc_dmabuf *dmabuf;
6470 struct dma_address *dma_address;
6471 uint32_t pa_addr;
6472 uint64_t phys_addr;
6473
6474 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
6475 if (!dmabuf)
6476 return -ENOMEM;
3772a991 6477
da0436e9
JS		 6478 /*
6479 * The bootstrap mailbox region is comprised of 2 parts
6480 * plus an alignment restriction of 16 bytes.
6481 */
6482 bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1);
6483 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
6484 bmbx_size,
6485 &dmabuf->phys,
6486 GFP_KERNEL);
6487 if (!dmabuf->virt) {
6488 kfree(dmabuf);
6489 return -ENOMEM;
3772a991 6490 }
da0436e9 6491 memset(dmabuf->virt, 0, bmbx_size);
3772a991 6492
da0436e9
JS		 6493 /*
6494 * Initialize the bootstrap mailbox pointers now so that the register
6495 * operations are simple later. The mailbox dma address is required
6496 * to be 16-byte aligned. Also align the virtual memory as each
6497 * maibox is copied into the bmbx mailbox region before issuing the
6498 * command to the port.
6499 */
6500 phba->sli4_hba.bmbx.dmabuf = dmabuf;
6501 phba->sli4_hba.bmbx.bmbx_size = bmbx_size;
6502
6503 phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt,
6504 LPFC_ALIGN_16_BYTE);
6505 phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys,
6506 LPFC_ALIGN_16_BYTE);
6507
6508 /*
6509 * Set the high and low physical addresses now. The SLI4 alignment
6510 * requirement is 16 bytes and the mailbox is posted to the port
6511 * as two 30-bit addresses. The other data is a bit marking whether
6512 * the 30-bit address is the high or low address.
6513 * Upcast bmbx aphys to 64bits so shift instruction compiles
6514 * clean on 32 bit machines.
6515 */
6516 dma_address = &phba->sli4_hba.bmbx.dma_address;
6517 phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys;
6518 pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff);
6519 dma_address->addr_hi = (uint32_t) ((pa_addr << 2) |
6520 LPFC_BMBX_BIT1_ADDR_HI);
6521
6522 pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff);
6523 dma_address->addr_lo = (uint32_t) ((pa_addr << 2) |
6524 LPFC_BMBX_BIT1_ADDR_LO);
6525 return 0;
3772a991
JS		 6526}
6527
6528/**
da0436e9 6529 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
3772a991
JS		 6530 * @phba: pointer to lpfc hba data structure.
6531 *
da0436e9
JS		 6532 * This routine is invoked to teardown the bootstrap mailbox
6533 * region and release all host resources. This routine requires
6534 * the caller to ensure all mailbox commands recovered, no
6535 * additional mailbox comands are sent, and interrupts are disabled
6536 * before calling this routine.
6537 *
6538 **/
3772a991 6539static void
da0436e9 6540lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba)
3772a991 6541{
da0436e9
JS		 6542 dma_free_coherent(&phba->pcidev->dev,
6543 phba->sli4_hba.bmbx.bmbx_size,
6544 phba->sli4_hba.bmbx.dmabuf->virt,
6545 phba->sli4_hba.bmbx.dmabuf->phys);
6546
6547 kfree(phba->sli4_hba.bmbx.dmabuf);
6548 memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx));
3772a991
JS		 6549}
6550
6551/**
da0436e9 6552 * lpfc_sli4_read_config - Get the config parameters.
3772a991
JS		 6553 * @phba: pointer to lpfc hba data structure.
6554 *
da0436e9
JS		 6555 * This routine is invoked to read the configuration parameters from the HBA.
6556 * The configuration parameters are used to set the base and maximum values
6557 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
6558 * allocation for the port.
3772a991
JS		 6559 *
6560 * Return codes
af901ca1 6561 * 0 - successful
25985edc 6562 * -ENOMEM - No available memory
d439d286 6563 * -EIO - The mailbox failed to complete successfully.
3772a991 6564 **/
ff78d8f9 6565int
da0436e9 6566lpfc_sli4_read_config(struct lpfc_hba *phba)
3772a991 6567{
da0436e9
JS		 6568 LPFC_MBOXQ_t *pmb;
6569 struct lpfc_mbx_read_config *rd_config;
912e3acd
JS		 6570 union lpfc_sli4_cfg_shdr *shdr;
6571 uint32_t shdr_status, shdr_add_status;
6572 struct lpfc_mbx_get_func_cfg *get_func_cfg;
6573 struct lpfc_rsrc_desc_fcfcoe *desc;
8aa134a8 6574 char *pdesc_0;
912e3acd 6575 uint32_t desc_count;
8aa134a8 6576 int length, i, rc = 0, rc2;
3772a991 6577
da0436e9
JS		 6578 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
6579 if (!pmb) {
6580 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6581 "2011 Unable to allocate memory for issuing "
6582 "SLI_CONFIG_SPECIAL mailbox command\n");
6583 return -ENOMEM;
3772a991
JS		 6584 }
6585
da0436e9 6586 lpfc_read_config(phba, pmb);
3772a991 6587
da0436e9
JS		 6588 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
6589 if (rc != MBX_SUCCESS) {
6590 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6591 "2012 Mailbox failed , mbxCmd x%x "
6592 "READ_CONFIG, mbxStatus x%x\n",
6593 bf_get(lpfc_mqe_command, &pmb->u.mqe),
6594 bf_get(lpfc_mqe_status, &pmb->u.mqe));
6595 rc = -EIO;
6596 } else {
6597 rd_config = &pmb->u.mqe.un.rd_config;
ff78d8f9
JS		 6598 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv, rd_config)) {
6599 phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL;
6600 phba->sli4_hba.lnk_info.lnk_tp =
6601 bf_get(lpfc_mbx_rd_conf_lnk_type, rd_config);
6602 phba->sli4_hba.lnk_info.lnk_no =
6603 bf_get(lpfc_mbx_rd_conf_lnk_numb, rd_config);
6604 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6605 "3081 lnk_type:%d, lnk_numb:%d\n",
6606 phba->sli4_hba.lnk_info.lnk_tp,
6607 phba->sli4_hba.lnk_info.lnk_no);
6608 } else
6609 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
6610 "3082 Mailbox (x%x) returned ldv:x0\n",
6611 bf_get(lpfc_mqe_command, &pmb->u.mqe));
6d368e53
JS		 6612 phba->sli4_hba.extents_in_use =
6613 bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config);
da0436e9
JS		 6614 phba->sli4_hba.max_cfg_param.max_xri =
6615 bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
6616 phba->sli4_hba.max_cfg_param.xri_base =
6617 bf_get(lpfc_mbx_rd_conf_xri_base, rd_config);
6618 phba->sli4_hba.max_cfg_param.max_vpi =
6619 bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
6620 phba->sli4_hba.max_cfg_param.vpi_base =
6621 bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config);
6622 phba->sli4_hba.max_cfg_param.max_rpi =
6623 bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
6624 phba->sli4_hba.max_cfg_param.rpi_base =
6625 bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config);
6626 phba->sli4_hba.max_cfg_param.max_vfi =
6627 bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config);
6628 phba->sli4_hba.max_cfg_param.vfi_base =
6629 bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config);
6630 phba->sli4_hba.max_cfg_param.max_fcfi =
6631 bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config);
da0436e9
JS		 6632 phba->sli4_hba.max_cfg_param.max_eq =
6633 bf_get(lpfc_mbx_rd_conf_eq_count, rd_config);
6634 phba->sli4_hba.max_cfg_param.max_rq =
6635 bf_get(lpfc_mbx_rd_conf_rq_count, rd_config);
6636 phba->sli4_hba.max_cfg_param.max_wq =
6637 bf_get(lpfc_mbx_rd_conf_wq_count, rd_config);
6638 phba->sli4_hba.max_cfg_param.max_cq =
6639 bf_get(lpfc_mbx_rd_conf_cq_count, rd_config);
6640 phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config);
6641 phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base;
6642 phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base;
6643 phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base;
5ffc266e
JS		 6644 phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ?
6645 (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0;
da0436e9
JS		 6646 phba->max_vports = phba->max_vpi;
6647 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6d368e53
JS		 6648 "2003 cfg params Extents? %d "
6649 "XRI(B:%d M:%d), "
da0436e9
JS		 6650 "VPI(B:%d M:%d) "
6651 "VFI(B:%d M:%d) "
6652 "RPI(B:%d M:%d) "
6d368e53
JS		 6653 "FCFI(Count:%d)\n",
6654 phba->sli4_hba.extents_in_use,
da0436e9
JS		 6655 phba->sli4_hba.max_cfg_param.xri_base,
6656 phba->sli4_hba.max_cfg_param.max_xri,
6657 phba->sli4_hba.max_cfg_param.vpi_base,
6658 phba->sli4_hba.max_cfg_param.max_vpi,
6659 phba->sli4_hba.max_cfg_param.vfi_base,
6660 phba->sli4_hba.max_cfg_param.max_vfi,
6661 phba->sli4_hba.max_cfg_param.rpi_base,
6662 phba->sli4_hba.max_cfg_param.max_rpi,
da0436e9 6663 phba->sli4_hba.max_cfg_param.max_fcfi);
3772a991 6664 }
912e3acd
JS		 6665
6666 if (rc)
6667 goto read_cfg_out;
da0436e9
JS		 6668
6669 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
572709e2
JS		 6670 length = phba->sli4_hba.max_cfg_param.max_xri -
6671 lpfc_sli4_get_els_iocb_cnt(phba);
6672 if (phba->cfg_hba_queue_depth > length) {
6673 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6674 "3361 HBA queue depth changed from %d to %d\n",
6675 phba->cfg_hba_queue_depth, length);
6676 phba->cfg_hba_queue_depth = length;
6677 }
912e3acd
JS		 6678
6679 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
6680 LPFC_SLI_INTF_IF_TYPE_2)
6681 goto read_cfg_out;
6682
6683 /* get the pf# and vf# for SLI4 if_type 2 port */
6684 length = (sizeof(struct lpfc_mbx_get_func_cfg) -
6685 sizeof(struct lpfc_sli4_cfg_mhdr));
6686 lpfc_sli4_config(phba, pmb, LPFC_MBOX_SUBSYSTEM_COMMON,
6687 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG,
6688 length, LPFC_SLI4_MBX_EMBED);
6689
8aa134a8 6690 rc2 = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
912e3acd
JS		 6691 shdr = (union lpfc_sli4_cfg_shdr *)
6692 &pmb->u.mqe.un.sli4_config.header.cfg_shdr;
6693 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
6694 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
8aa134a8 6695 if (rc2 || shdr_status || shdr_add_status) {
912e3acd
JS		 6696 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6697 "3026 Mailbox failed , mbxCmd x%x "
6698 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
6699 bf_get(lpfc_mqe_command, &pmb->u.mqe),
6700 bf_get(lpfc_mqe_status, &pmb->u.mqe));
912e3acd
JS		 6701 goto read_cfg_out;
6702 }
6703
6704 /* search for fc_fcoe resrouce descriptor */
6705 get_func_cfg = &pmb->u.mqe.un.get_func_cfg;
6706 desc_count = get_func_cfg->func_cfg.rsrc_desc_count;
6707
8aa134a8
JS		 6708 pdesc_0 = (char *)&get_func_cfg->func_cfg.desc[0];
6709 desc = (struct lpfc_rsrc_desc_fcfcoe *)pdesc_0;
6710 length = bf_get(lpfc_rsrc_desc_fcfcoe_length, desc);
6711 if (length == LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD)
6712 length = LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH;
6713 else if (length != LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH)
6714 goto read_cfg_out;
6715
912e3acd 6716 for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) {
8aa134a8 6717 desc = (struct lpfc_rsrc_desc_fcfcoe *)(pdesc_0 + length * i);
912e3acd 6718 if (LPFC_RSRC_DESC_TYPE_FCFCOE ==
8aa134a8 6719 bf_get(lpfc_rsrc_desc_fcfcoe_type, desc)) {
912e3acd
JS		 6720 phba->sli4_hba.iov.pf_number =
6721 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc);
6722 phba->sli4_hba.iov.vf_number =
6723 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum, desc);
6724 break;
6725 }
6726 }
6727
6728 if (i < LPFC_RSRC_DESC_MAX_NUM)
6729 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6730 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
6731 "vf_number:%d\n", phba->sli4_hba.iov.pf_number,
6732 phba->sli4_hba.iov.vf_number);
8aa134a8 6733 else
912e3acd
JS		 6734 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6735 "3028 GET_FUNCTION_CONFIG: failed to find "
6736 "Resrouce Descriptor:x%x\n",
6737 LPFC_RSRC_DESC_TYPE_FCFCOE);
912e3acd
JS		 6738
6739read_cfg_out:
6740 mempool_free(pmb, phba->mbox_mem_pool);
da0436e9 6741 return rc;
3772a991
JS		 6742}
6743
6744/**
2fcee4bf 6745 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
3772a991
JS		 6746 * @phba: pointer to lpfc hba data structure.
6747 *
2fcee4bf
JS		 6748 * This routine is invoked to setup the port-side endian order when
6749 * the port if_type is 0. This routine has no function for other
6750 * if_types.
da0436e9
JS		 6751 *
6752 * Return codes
af901ca1 6753 * 0 - successful
25985edc 6754 * -ENOMEM - No available memory
d439d286 6755 * -EIO - The mailbox failed to complete successfully.
3772a991 6756 **/
da0436e9
JS		 6757static int
6758lpfc_setup_endian_order(struct lpfc_hba *phba)
3772a991 6759{
da0436e9 6760 LPFC_MBOXQ_t *mboxq;
2fcee4bf 6761 uint32_t if_type, rc = 0;
da0436e9
JS		 6762 uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0,
6763 HOST_ENDIAN_HIGH_WORD1};
3772a991 6764
2fcee4bf
JS		 6765 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
6766 switch (if_type) {
6767 case LPFC_SLI_INTF_IF_TYPE_0:
6768 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
6769 GFP_KERNEL);
6770 if (!mboxq) {
6771 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6772 "0492 Unable to allocate memory for "
6773 "issuing SLI_CONFIG_SPECIAL mailbox "
6774 "command\n");
6775 return -ENOMEM;
6776 }
3772a991 6777
2fcee4bf
JS		 6778 /*
6779 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
6780 * two words to contain special data values and no other data.
6781 */
6782 memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
6783 memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data));
6784 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
6785 if (rc != MBX_SUCCESS) {
6786 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6787 "0493 SLI_CONFIG_SPECIAL mailbox "
6788 "failed with status x%x\n",
6789 rc);
6790 rc = -EIO;
6791 }
6792 mempool_free(mboxq, phba->mbox_mem_pool);
6793 break;
6794 case LPFC_SLI_INTF_IF_TYPE_2:
6795 case LPFC_SLI_INTF_IF_TYPE_1:
6796 default:
6797 break;
da0436e9 6798 }
da0436e9 6799 return rc;
3772a991
JS		 6800}
6801
6802/**
5350d872 6803 * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
3772a991
JS		 6804 * @phba: pointer to lpfc hba data structure.
6805 *
5350d872
JS		 6806 * This routine is invoked to check the user settable queue counts for EQs and
6807 * CQs. after this routine is called the counts will be set to valid values that
6808 * adhere to the constraints of the system's interrupt vectors and the port's
6809 * queue resources.
da0436e9
JS		 6810 *
6811 * Return codes
af901ca1 6812 * 0 - successful
25985edc 6813 * -ENOMEM - No available memory
3772a991 6814 **/
da0436e9 6815static int
5350d872 6816lpfc_sli4_queue_verify(struct lpfc_hba *phba)
3772a991 6817{
67d12733 6818 int cfg_fcp_io_channel;
90695ee0
JS		 6819 uint32_t cpu;
6820 uint32_t i = 0;
3772a991 6821
da0436e9 6822 /*
67d12733 6823 * Sanity check for configured queue parameters against the run-time
da0436e9
JS		 6824 * device parameters
6825 */
3772a991 6826
67d12733
JS		 6827 /* Sanity check on HBA EQ parameters */
6828 cfg_fcp_io_channel = phba->cfg_fcp_io_channel;
6829
7bb03bbf
JS		 6830 /* It doesn't make sense to have more io channels then online CPUs */
6831 for_each_present_cpu(cpu) {
6832 if (cpu_online(cpu))
6833 i++;
90695ee0 6834 }
7bb03bbf 6835 phba->sli4_hba.num_online_cpu = i;
b246de17 6836 phba->sli4_hba.num_present_cpu = lpfc_present_cpu;
7bb03bbf 6837
90695ee0 6838 if (i < cfg_fcp_io_channel) {
82c3e9ba
JS		 6839 lpfc_printf_log(phba,
6840 KERN_ERR, LOG_INIT,
90695ee0 6841 "3188 Reducing IO channels to match number of "
7bb03bbf
JS		 6842 "online CPUs: from %d to %d\n",
6843 cfg_fcp_io_channel, i);
90695ee0
JS		 6844 cfg_fcp_io_channel = i;
6845 }
6846
67d12733
JS		 6847 if (cfg_fcp_io_channel >
6848 phba->sli4_hba.max_cfg_param.max_eq) {
82c3e9ba
JS		 6849 if (phba->sli4_hba.max_cfg_param.max_eq <
6850 LPFC_FCP_IO_CHAN_MIN) {
da0436e9
JS		 6851 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6852 "2574 Not enough EQs (%d) from the "
6853 "pci function for supporting FCP "
6854 "EQs (%d)\n",
6855 phba->sli4_hba.max_cfg_param.max_eq,
67d12733 6856 phba->cfg_fcp_io_channel);
da0436e9
JS		 6857 goto out_error;
6858 }
82c3e9ba
JS		 6859 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6860 "2575 Reducing IO channels to match number of "
6861 "available EQs: from %d to %d\n",
6862 cfg_fcp_io_channel,
6863 phba->sli4_hba.max_cfg_param.max_eq);
6864 cfg_fcp_io_channel = phba->sli4_hba.max_cfg_param.max_eq;
da0436e9 6865 }
67d12733 6866
da0436e9 6867 /* The actual number of FCP event queues adopted */
67d12733 6868 phba->cfg_fcp_io_channel = cfg_fcp_io_channel;
3772a991 6869
da0436e9
JS		 6870 /* Get EQ depth from module parameter, fake the default for now */
6871 phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B;
6872 phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT;
3772a991 6873
5350d872
JS		 6874 /* Get CQ depth from module parameter, fake the default for now */
6875 phba->sli4_hba.cq_esize = LPFC_CQE_SIZE;
6876 phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT;
6877
6878 return 0;
6879out_error:
6880 return -ENOMEM;
6881}
6882
6883/**
6884 * lpfc_sli4_queue_create - Create all the SLI4 queues
6885 * @phba: pointer to lpfc hba data structure.
6886 *
6887 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
6888 * operation. For each SLI4 queue type, the parameters such as queue entry
6889 * count (queue depth) shall be taken from the module parameter. For now,
6890 * we just use some constant number as place holder.
6891 *
6892 * Return codes
4907cb7b 6893 * 0 - successful
5350d872
JS		 6894 * -ENOMEM - No availble memory
6895 * -EIO - The mailbox failed to complete successfully.
6896 **/
6897int
6898lpfc_sli4_queue_create(struct lpfc_hba *phba)
6899{
6900 struct lpfc_queue *qdesc;
67d12733 6901 int idx;
5350d872
JS		 6902
6903 /*
67d12733 6904 * Create HBA Record arrays.
5350d872 6905 */
67d12733
JS		 6906 if (!phba->cfg_fcp_io_channel)
6907 return -ERANGE;
5350d872 6908
67d12733
JS		 6909 phba->sli4_hba.mq_esize = LPFC_MQE_SIZE;
6910 phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT;
6911 phba->sli4_hba.wq_esize = LPFC_WQE_SIZE;
6912 phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT;
6913 phba->sli4_hba.rq_esize = LPFC_RQE_SIZE;
6914 phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT;
6915
6916 phba->sli4_hba.hba_eq = kzalloc((sizeof(struct lpfc_queue *) *
6917 phba->cfg_fcp_io_channel), GFP_KERNEL);
6918 if (!phba->sli4_hba.hba_eq) {
6919 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6920 "2576 Failed allocate memory for "
6921 "fast-path EQ record array\n");
6922 goto out_error;
6923 }
6924
6925 phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) *
6926 phba->cfg_fcp_io_channel), GFP_KERNEL);
6927 if (!phba->sli4_hba.fcp_cq) {
da0436e9 6928 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
67d12733
JS		 6929 "2577 Failed allocate memory for fast-path "
6930 "CQ record array\n");
6931 goto out_error;
6932 }
6933
6934 phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) *
6935 phba->cfg_fcp_io_channel), GFP_KERNEL);
6936 if (!phba->sli4_hba.fcp_wq) {
6937 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6938 "2578 Failed allocate memory for fast-path "
6939 "WQ record array\n");
da0436e9
JS		 6940 goto out_error;
6941 }
da0436e9 6942
5350d872 6943 /*
67d12733
JS		 6944 * Since the first EQ can have multiple CQs associated with it,
6945 * this array is used to quickly see if we have a FCP fast-path
6946 * CQ match.
5350d872 6947 */
67d12733
JS		 6948 phba->sli4_hba.fcp_cq_map = kzalloc((sizeof(uint16_t) *
6949 phba->cfg_fcp_io_channel), GFP_KERNEL);
6950 if (!phba->sli4_hba.fcp_cq_map) {
6951 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6952 "2545 Failed allocate memory for fast-path "
6953 "CQ map\n");
6954 goto out_error;
da0436e9 6955 }
67d12733
JS		 6956
6957 /*
6958 * Create HBA Event Queues (EQs). The cfg_fcp_io_channel specifies
6959 * how many EQs to create.
6960 */
6961 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
6962
6963 /* Create EQs */
da0436e9
JS		 6964 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
6965 phba->sli4_hba.eq_ecount);
6966 if (!qdesc) {
6967 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
67d12733
JS		 6968 "0497 Failed allocate EQ (%d)\n", idx);
6969 goto out_error;
da0436e9 6970 }
67d12733
JS		 6971 phba->sli4_hba.hba_eq[idx] = qdesc;
6972
6973 /* Create Fast Path FCP CQs */
6974 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
6975 phba->sli4_hba.cq_ecount);
6976 if (!qdesc) {
6977 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6978 "0499 Failed allocate fast-path FCP "
6979 "CQ (%d)\n", idx);
6980 goto out_error;
6981 }
6982 phba->sli4_hba.fcp_cq[idx] = qdesc;
6983
6984 /* Create Fast Path FCP WQs */
6985 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
6986 phba->sli4_hba.wq_ecount);
6987 if (!qdesc) {
6988 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6989 "0503 Failed allocate fast-path FCP "
6990 "WQ (%d)\n", idx);
6991 goto out_error;
6992 }
6993 phba->sli4_hba.fcp_wq[idx] = qdesc;
da0436e9
JS		 6994 }
6995
67d12733 6996
da0436e9 6997 /*
67d12733 6998 * Create Slow Path Completion Queues (CQs)
da0436e9
JS		 6999 */
7000
da0436e9
JS		 7001 /* Create slow-path Mailbox Command Complete Queue */
7002 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
7003 phba->sli4_hba.cq_ecount);
7004 if (!qdesc) {
7005 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7006 "0500 Failed allocate slow-path mailbox CQ\n");
67d12733 7007 goto out_error;
da0436e9
JS		 7008 }
7009 phba->sli4_hba.mbx_cq = qdesc;
7010
7011 /* Create slow-path ELS Complete Queue */
7012 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
7013 phba->sli4_hba.cq_ecount);
7014 if (!qdesc) {
7015 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7016 "0501 Failed allocate slow-path ELS CQ\n");
67d12733 7017 goto out_error;
da0436e9
JS		 7018 }
7019 phba->sli4_hba.els_cq = qdesc;
7020
da0436e9 7021
5350d872 7022 /*
67d12733 7023 * Create Slow Path Work Queues (WQs)
5350d872 7024 */
da0436e9
JS		 7025
7026 /* Create Mailbox Command Queue */
da0436e9
JS		 7027
7028 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize,
7029 phba->sli4_hba.mq_ecount);
7030 if (!qdesc) {
7031 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7032 "0505 Failed allocate slow-path MQ\n");
67d12733 7033 goto out_error;
da0436e9
JS		 7034 }
7035 phba->sli4_hba.mbx_wq = qdesc;
7036
7037 /*
67d12733 7038 * Create ELS Work Queues
da0436e9 7039 */
da0436e9
JS		 7040
7041 /* Create slow-path ELS Work Queue */
7042 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
7043 phba->sli4_hba.wq_ecount);
7044 if (!qdesc) {
7045 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7046 "0504 Failed allocate slow-path ELS WQ\n");
67d12733 7047 goto out_error;
da0436e9
JS		 7048 }
7049 phba->sli4_hba.els_wq = qdesc;
7050
da0436e9
JS		 7051 /*
7052 * Create Receive Queue (RQ)
7053 */
da0436e9
JS		 7054
7055 /* Create Receive Queue for header */
7056 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
7057 phba->sli4_hba.rq_ecount);
7058 if (!qdesc) {
7059 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7060 "0506 Failed allocate receive HRQ\n");
67d12733 7061 goto out_error;
da0436e9
JS		 7062 }
7063 phba->sli4_hba.hdr_rq = qdesc;
7064
7065 /* Create Receive Queue for data */
7066 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
7067 phba->sli4_hba.rq_ecount);
7068 if (!qdesc) {
7069 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7070 "0507 Failed allocate receive DRQ\n");
67d12733 7071 goto out_error;
da0436e9
JS		 7072 }
7073 phba->sli4_hba.dat_rq = qdesc;
7074
7075 return 0;
7076
da0436e9 7077out_error:
67d12733 7078 lpfc_sli4_queue_destroy(phba);
da0436e9
JS		 7079 return -ENOMEM;
7080}
7081
7082/**
7083 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
7084 * @phba: pointer to lpfc hba data structure.
7085 *
7086 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
7087 * operation.
7088 *
7089 * Return codes
af901ca1 7090 * 0 - successful
25985edc 7091 * -ENOMEM - No available memory
d439d286 7092 * -EIO - The mailbox failed to complete successfully.
da0436e9 7093 **/
5350d872 7094void
da0436e9
JS		 7095lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
7096{
67d12733
JS		 7097 int idx;
7098
7099 if (phba->sli4_hba.hba_eq != NULL) {
7100 /* Release HBA event queue */
7101 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7102 if (phba->sli4_hba.hba_eq[idx] != NULL) {
7103 lpfc_sli4_queue_free(
7104 phba->sli4_hba.hba_eq[idx]);
7105 phba->sli4_hba.hba_eq[idx] = NULL;
7106 }
7107 }
7108 kfree(phba->sli4_hba.hba_eq);
7109 phba->sli4_hba.hba_eq = NULL;
7110 }
7111
7112 if (phba->sli4_hba.fcp_cq != NULL) {
7113 /* Release FCP completion queue */
7114 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7115 if (phba->sli4_hba.fcp_cq[idx] != NULL) {
7116 lpfc_sli4_queue_free(
7117 phba->sli4_hba.fcp_cq[idx]);
7118 phba->sli4_hba.fcp_cq[idx] = NULL;
7119 }
7120 }
7121 kfree(phba->sli4_hba.fcp_cq);
7122 phba->sli4_hba.fcp_cq = NULL;
7123 }
7124
7125 if (phba->sli4_hba.fcp_wq != NULL) {
7126 /* Release FCP work queue */
7127 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7128 if (phba->sli4_hba.fcp_wq[idx] != NULL) {
7129 lpfc_sli4_queue_free(
7130 phba->sli4_hba.fcp_wq[idx]);
7131 phba->sli4_hba.fcp_wq[idx] = NULL;
7132 }
7133 }
7134 kfree(phba->sli4_hba.fcp_wq);
7135 phba->sli4_hba.fcp_wq = NULL;
7136 }
7137
7138 /* Release FCP CQ mapping array */
7139 if (phba->sli4_hba.fcp_cq_map != NULL) {
7140 kfree(phba->sli4_hba.fcp_cq_map);
7141 phba->sli4_hba.fcp_cq_map = NULL;
7142 }
da0436e9
JS		 7143
7144 /* Release mailbox command work queue */
67d12733
JS		 7145 if (phba->sli4_hba.mbx_wq != NULL) {
7146 lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq);
7147 phba->sli4_hba.mbx_wq = NULL;
7148 }
da0436e9
JS		 7149
7150 /* Release ELS work queue */
67d12733
JS		 7151 if (phba->sli4_hba.els_wq != NULL) {
7152 lpfc_sli4_queue_free(phba->sli4_hba.els_wq);
7153 phba->sli4_hba.els_wq = NULL;
7154 }
da0436e9
JS		 7155
7156 /* Release unsolicited receive queue */
67d12733
JS		 7157 if (phba->sli4_hba.hdr_rq != NULL) {
7158 lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq);
7159 phba->sli4_hba.hdr_rq = NULL;
7160 }
7161 if (phba->sli4_hba.dat_rq != NULL) {
7162 lpfc_sli4_queue_free(phba->sli4_hba.dat_rq);
7163 phba->sli4_hba.dat_rq = NULL;
7164 }
da0436e9 7165
da0436e9 7166 /* Release ELS complete queue */
67d12733
JS		 7167 if (phba->sli4_hba.els_cq != NULL) {
7168 lpfc_sli4_queue_free(phba->sli4_hba.els_cq);
7169 phba->sli4_hba.els_cq = NULL;
7170 }
da0436e9
JS		 7171
7172 /* Release mailbox command complete queue */
67d12733
JS		 7173 if (phba->sli4_hba.mbx_cq != NULL) {
7174 lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq);
7175 phba->sli4_hba.mbx_cq = NULL;
7176 }
da0436e9
JS		 7177
7178 return;
7179}
7180
7181/**
7182 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
7183 * @phba: pointer to lpfc hba data structure.
7184 *
7185 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
7186 * operation.
7187 *
7188 * Return codes
af901ca1 7189 * 0 - successful
25985edc 7190 * -ENOMEM - No available memory
d439d286 7191 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7192 **/
7193int
7194lpfc_sli4_queue_setup(struct lpfc_hba *phba)
7195{
2a76a283
JS		 7196 struct lpfc_sli *psli = &phba->sli;
7197 struct lpfc_sli_ring *pring;
da0436e9
JS		 7198 int rc = -ENOMEM;
7199 int fcp_eqidx, fcp_cqidx, fcp_wqidx;
7200 int fcp_cq_index = 0;
962bc51b
JS		 7201 uint32_t shdr_status, shdr_add_status;
7202 union lpfc_sli4_cfg_shdr *shdr;
7203 LPFC_MBOXQ_t *mboxq;
7204 uint32_t length;
7205
7206 /* Check for dual-ULP support */
7207 mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
7208 if (!mboxq) {
7209 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7210 "3249 Unable to allocate memory for "
7211 "QUERY_FW_CFG mailbox command\n");
7212 return -ENOMEM;
7213 }
7214 length = (sizeof(struct lpfc_mbx_query_fw_config) -
7215 sizeof(struct lpfc_sli4_cfg_mhdr));
7216 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
7217 LPFC_MBOX_OPCODE_QUERY_FW_CFG,
7218 length, LPFC_SLI4_MBX_EMBED);
7219
7220 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
7221
7222 shdr = (union lpfc_sli4_cfg_shdr *)
7223 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
7224 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
7225 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
7226 if (shdr_status || shdr_add_status || rc) {
7227 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7228 "3250 QUERY_FW_CFG mailbox failed with status "
7229 "x%x add_status x%x, mbx status x%x\n",
7230 shdr_status, shdr_add_status, rc);
7231 if (rc != MBX_TIMEOUT)
7232 mempool_free(mboxq, phba->mbox_mem_pool);
7233 rc = -ENXIO;
7234 goto out_error;
7235 }
7236
7237 phba->sli4_hba.fw_func_mode =
7238 mboxq->u.mqe.un.query_fw_cfg.rsp.function_mode;
7239 phba->sli4_hba.ulp0_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp0_mode;
7240 phba->sli4_hba.ulp1_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp1_mode;
7241 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7242 "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, "
7243 "ulp1_mode:x%x\n", phba->sli4_hba.fw_func_mode,
7244 phba->sli4_hba.ulp0_mode, phba->sli4_hba.ulp1_mode);
7245
7246 if (rc != MBX_TIMEOUT)
7247 mempool_free(mboxq, phba->mbox_mem_pool);
da0436e9
JS		 7248
7249 /*
67d12733 7250 * Set up HBA Event Queues (EQs)
da0436e9
JS		 7251 */
7252
67d12733
JS		 7253 /* Set up HBA event queue */
7254 if (phba->cfg_fcp_io_channel && !phba->sli4_hba.hba_eq) {
2e90f4b5
JS		 7255 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7256 "3147 Fast-path EQs not allocated\n");
1b51197d 7257 rc = -ENOMEM;
67d12733 7258 goto out_error;
2e90f4b5 7259 }
67d12733
JS		 7260 for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_io_channel; fcp_eqidx++) {
7261 if (!phba->sli4_hba.hba_eq[fcp_eqidx]) {
da0436e9
JS		 7262 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7263 "0522 Fast-path EQ (%d) not "
7264 "allocated\n", fcp_eqidx);
1b51197d 7265 rc = -ENOMEM;
67d12733 7266 goto out_destroy_hba_eq;
da0436e9 7267 }
67d12733 7268 rc = lpfc_eq_create(phba, phba->sli4_hba.hba_eq[fcp_eqidx],
bf8dae83 7269 (phba->cfg_fcp_imax / phba->cfg_fcp_io_channel));
da0436e9
JS		 7270 if (rc) {
7271 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7272 "0523 Failed setup of fast-path EQ "
7273 "(%d), rc = 0x%x\n", fcp_eqidx, rc);
67d12733 7274 goto out_destroy_hba_eq;
da0436e9
JS		 7275 }
7276 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
67d12733 7277 "2584 HBA EQ setup: "
da0436e9 7278 "queue[%d]-id=%d\n", fcp_eqidx,
67d12733 7279 phba->sli4_hba.hba_eq[fcp_eqidx]->queue_id);
da0436e9
JS		 7280 }
7281
67d12733
JS		 7282 /* Set up fast-path FCP Response Complete Queue */
7283 if (!phba->sli4_hba.fcp_cq) {
7284 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7285 "3148 Fast-path FCP CQ array not "
7286 "allocated\n");
7287 rc = -ENOMEM;
7288 goto out_destroy_hba_eq;
7289 }
7290
7291 for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_io_channel; fcp_cqidx++) {
7292 if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) {
7293 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7294 "0526 Fast-path FCP CQ (%d) not "
7295 "allocated\n", fcp_cqidx);
7296 rc = -ENOMEM;
7297 goto out_destroy_fcp_cq;
7298 }
7299 rc = lpfc_cq_create(phba, phba->sli4_hba.fcp_cq[fcp_cqidx],
7300 phba->sli4_hba.hba_eq[fcp_cqidx], LPFC_WCQ, LPFC_FCP);
7301 if (rc) {
7302 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7303 "0527 Failed setup of fast-path FCP "
7304 "CQ (%d), rc = 0x%x\n", fcp_cqidx, rc);
7305 goto out_destroy_fcp_cq;
7306 }
7307
7308 /* Setup fcp_cq_map for fast lookup */
7309 phba->sli4_hba.fcp_cq_map[fcp_cqidx] =
7310 phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id;
7311
7312 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7313 "2588 FCP CQ setup: cq[%d]-id=%d, "
7314 "parent seq[%d]-id=%d\n",
7315 fcp_cqidx,
7316 phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id,
7317 fcp_cqidx,
7318 phba->sli4_hba.hba_eq[fcp_cqidx]->queue_id);
7319 }
7320
7321 /* Set up fast-path FCP Work Queue */
7322 if (!phba->sli4_hba.fcp_wq) {
7323 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7324 "3149 Fast-path FCP WQ array not "
7325 "allocated\n");
7326 rc = -ENOMEM;
7327 goto out_destroy_fcp_cq;
7328 }
7329
7330 for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_io_channel; fcp_wqidx++) {
7331 if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) {
7332 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7333 "0534 Fast-path FCP WQ (%d) not "
7334 "allocated\n", fcp_wqidx);
7335 rc = -ENOMEM;
7336 goto out_destroy_fcp_wq;
7337 }
7338 rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx],
7339 phba->sli4_hba.fcp_cq[fcp_wqidx],
7340 LPFC_FCP);
7341 if (rc) {
7342 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7343 "0535 Failed setup of fast-path FCP "
7344 "WQ (%d), rc = 0x%x\n", fcp_wqidx, rc);
7345 goto out_destroy_fcp_wq;
7346 }
7347
7348 /* Bind this WQ to the next FCP ring */
7349 pring = &psli->ring[MAX_SLI3_CONFIGURED_RINGS + fcp_wqidx];
7350 pring->sli.sli4.wqp = (void *)phba->sli4_hba.fcp_wq[fcp_wqidx];
7351 phba->sli4_hba.fcp_cq[fcp_wqidx]->pring = pring;
7352
7353 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7354 "2591 FCP WQ setup: wq[%d]-id=%d, "
7355 "parent cq[%d]-id=%d\n",
7356 fcp_wqidx,
7357 phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id,
7358 fcp_cq_index,
7359 phba->sli4_hba.fcp_cq[fcp_wqidx]->queue_id);
7360 }
da0436e9
JS		 7361 /*
7362 * Set up Complete Queues (CQs)
7363 */
7364
7365 /* Set up slow-path MBOX Complete Queue as the first CQ */
7366 if (!phba->sli4_hba.mbx_cq) {
7367 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7368 "0528 Mailbox CQ not allocated\n");
1b51197d 7369 rc = -ENOMEM;
67d12733 7370 goto out_destroy_fcp_wq;
da0436e9 7371 }
67d12733
JS		 7372 rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq,
7373 phba->sli4_hba.hba_eq[0], LPFC_MCQ, LPFC_MBOX);
da0436e9
JS		 7374 if (rc) {
7375 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7376 "0529 Failed setup of slow-path mailbox CQ: "
7377 "rc = 0x%x\n", rc);
67d12733 7378 goto out_destroy_fcp_wq;
da0436e9
JS		 7379 }
7380 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7381 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
7382 phba->sli4_hba.mbx_cq->queue_id,
67d12733 7383 phba->sli4_hba.hba_eq[0]->queue_id);
da0436e9
JS		 7384
7385 /* Set up slow-path ELS Complete Queue */
7386 if (!phba->sli4_hba.els_cq) {
7387 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7388 "0530 ELS CQ not allocated\n");
1b51197d 7389 rc = -ENOMEM;
da0436e9
JS		 7390 goto out_destroy_mbx_cq;
7391 }
67d12733
JS		 7392 rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq,
7393 phba->sli4_hba.hba_eq[0], LPFC_WCQ, LPFC_ELS);
da0436e9
JS		 7394 if (rc) {
7395 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7396 "0531 Failed setup of slow-path ELS CQ: "
7397 "rc = 0x%x\n", rc);
7398 goto out_destroy_mbx_cq;
7399 }
7400 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7401 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
7402 phba->sli4_hba.els_cq->queue_id,
67d12733 7403 phba->sli4_hba.hba_eq[0]->queue_id);
da0436e9
JS		 7404
7405 /*
7406 * Set up all the Work Queues (WQs)
7407 */
7408
7409 /* Set up Mailbox Command Queue */
7410 if (!phba->sli4_hba.mbx_wq) {
7411 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7412 "0538 Slow-path MQ not allocated\n");
1b51197d 7413 rc = -ENOMEM;
67d12733 7414 goto out_destroy_els_cq;
da0436e9
JS		 7415 }
7416 rc = lpfc_mq_create(phba, phba->sli4_hba.mbx_wq,
7417 phba->sli4_hba.mbx_cq, LPFC_MBOX);
7418 if (rc) {
7419 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7420 "0539 Failed setup of slow-path MQ: "
7421 "rc = 0x%x\n", rc);
67d12733 7422 goto out_destroy_els_cq;
da0436e9
JS		 7423 }
7424 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7425 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
7426 phba->sli4_hba.mbx_wq->queue_id,
7427 phba->sli4_hba.mbx_cq->queue_id);
7428
7429 /* Set up slow-path ELS Work Queue */
7430 if (!phba->sli4_hba.els_wq) {
7431 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7432 "0536 Slow-path ELS WQ not allocated\n");
1b51197d 7433 rc = -ENOMEM;
da0436e9
JS		 7434 goto out_destroy_mbx_wq;
7435 }
7436 rc = lpfc_wq_create(phba, phba->sli4_hba.els_wq,
7437 phba->sli4_hba.els_cq, LPFC_ELS);
7438 if (rc) {
7439 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7440 "0537 Failed setup of slow-path ELS WQ: "
7441 "rc = 0x%x\n", rc);
7442 goto out_destroy_mbx_wq;
7443 }
2a76a283
JS		 7444
7445 /* Bind this WQ to the ELS ring */
7446 pring = &psli->ring[LPFC_ELS_RING];
7447 pring->sli.sli4.wqp = (void *)phba->sli4_hba.els_wq;
7448 phba->sli4_hba.els_cq->pring = pring;
7449
da0436e9
JS		 7450 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7451 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
7452 phba->sli4_hba.els_wq->queue_id,
7453 phba->sli4_hba.els_cq->queue_id);
7454
da0436e9
JS		 7455 /*
7456 * Create Receive Queue (RQ)
7457 */
7458 if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) {
7459 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7460 "0540 Receive Queue not allocated\n");
1b51197d 7461 rc = -ENOMEM;
67d12733 7462 goto out_destroy_els_wq;
da0436e9 7463 }
73d91e50
JS		 7464
7465 lpfc_rq_adjust_repost(phba, phba->sli4_hba.hdr_rq, LPFC_ELS_HBQ);
7466 lpfc_rq_adjust_repost(phba, phba->sli4_hba.dat_rq, LPFC_ELS_HBQ);
7467
da0436e9 7468 rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq,
4d9ab994 7469 phba->sli4_hba.els_cq, LPFC_USOL);
da0436e9
JS		 7470 if (rc) {
7471 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7472 "0541 Failed setup of Receive Queue: "
7473 "rc = 0x%x\n", rc);
7474 goto out_destroy_fcp_wq;
7475 }
73d91e50 7476
da0436e9
JS		 7477 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7478 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
7479 "parent cq-id=%d\n",
7480 phba->sli4_hba.hdr_rq->queue_id,
7481 phba->sli4_hba.dat_rq->queue_id,
4d9ab994 7482 phba->sli4_hba.els_cq->queue_id);
da0436e9
JS		 7483 return 0;
7484
2e90f4b5 7485out_destroy_els_wq:
da0436e9
JS		 7486 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
7487out_destroy_mbx_wq:
7488 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
2e90f4b5 7489out_destroy_els_cq:
da0436e9
JS		 7490 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
7491out_destroy_mbx_cq:
7492 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
67d12733
JS		 7493out_destroy_fcp_wq:
7494 for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--)
7495 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]);
7496out_destroy_fcp_cq:
7497 for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--)
7498 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]);
7499out_destroy_hba_eq:
da0436e9 7500 for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--)
67d12733 7501 lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_eqidx]);
da0436e9
JS		 7502out_error:
7503 return rc;
7504}
7505
7506/**
7507 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
7508 * @phba: pointer to lpfc hba data structure.
7509 *
7510 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
7511 * operation.
7512 *
7513 * Return codes
af901ca1 7514 * 0 - successful
25985edc 7515 * -ENOMEM - No available memory
d439d286 7516 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7517 **/
7518void
7519lpfc_sli4_queue_unset(struct lpfc_hba *phba)
7520{
7521 int fcp_qidx;
7522
7523 /* Unset mailbox command work queue */
7524 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
7525 /* Unset ELS work queue */
7526 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
7527 /* Unset unsolicited receive queue */
7528 lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq);
7529 /* Unset FCP work queue */
67d12733
JS		 7530 if (phba->sli4_hba.fcp_wq) {
7531 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
7532 fcp_qidx++)
7533 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_qidx]);
7534 }
da0436e9
JS		 7535 /* Unset mailbox command complete queue */
7536 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
7537 /* Unset ELS complete queue */
7538 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
da0436e9 7539 /* Unset FCP response complete queue */
2e90f4b5 7540 if (phba->sli4_hba.fcp_cq) {
67d12733
JS		 7541 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
7542 fcp_qidx++)
2e90f4b5 7543 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]);
2e90f4b5 7544 }
da0436e9 7545 /* Unset fast-path event queue */
67d12733
JS		 7546 if (phba->sli4_hba.hba_eq) {
7547 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
2e90f4b5 7548 fcp_qidx++)
67d12733 7549 lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_qidx]);
2e90f4b5 7550 }
da0436e9
JS		 7551}
7552
7553/**
7554 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
7555 * @phba: pointer to lpfc hba data structure.
7556 *
7557 * This routine is invoked to allocate and set up a pool of completion queue
7558 * events. The body of the completion queue event is a completion queue entry
7559 * CQE. For now, this pool is used for the interrupt service routine to queue
7560 * the following HBA completion queue events for the worker thread to process:
7561 * - Mailbox asynchronous events
7562 * - Receive queue completion unsolicited events
7563 * Later, this can be used for all the slow-path events.
7564 *
7565 * Return codes
af901ca1 7566 * 0 - successful
25985edc 7567 * -ENOMEM - No available memory
da0436e9
JS		 7568 **/
7569static int
7570lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba)
7571{
7572 struct lpfc_cq_event *cq_event;
7573 int i;
7574
7575 for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) {
7576 cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL);
7577 if (!cq_event)
7578 goto out_pool_create_fail;
7579 list_add_tail(&cq_event->list,
7580 &phba->sli4_hba.sp_cqe_event_pool);
7581 }
7582 return 0;
7583
7584out_pool_create_fail:
7585 lpfc_sli4_cq_event_pool_destroy(phba);
7586 return -ENOMEM;
7587}
7588
7589/**
7590 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
7591 * @phba: pointer to lpfc hba data structure.
7592 *
7593 * This routine is invoked to free the pool of completion queue events at
7594 * driver unload time. Note that, it is the responsibility of the driver
7595 * cleanup routine to free all the outstanding completion-queue events
7596 * allocated from this pool back into the pool before invoking this routine
7597 * to destroy the pool.
7598 **/
7599static void
7600lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba)
7601{
7602 struct lpfc_cq_event *cq_event, *next_cq_event;
7603
7604 list_for_each_entry_safe(cq_event, next_cq_event,
7605 &phba->sli4_hba.sp_cqe_event_pool, list) {
7606 list_del(&cq_event->list);
7607 kfree(cq_event);
7608 }
7609}
7610
7611/**
7612 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7613 * @phba: pointer to lpfc hba data structure.
7614 *
7615 * This routine is the lock free version of the API invoked to allocate a
7616 * completion-queue event from the free pool.
7617 *
7618 * Return: Pointer to the newly allocated completion-queue event if successful
7619 * NULL otherwise.
7620 **/
7621struct lpfc_cq_event *
7622__lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
7623{
7624 struct lpfc_cq_event *cq_event = NULL;
7625
7626 list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event,
7627 struct lpfc_cq_event, list);
7628 return cq_event;
7629}
7630
7631/**
7632 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7633 * @phba: pointer to lpfc hba data structure.
7634 *
7635 * This routine is the lock version of the API invoked to allocate a
7636 * completion-queue event from the free pool.
7637 *
7638 * Return: Pointer to the newly allocated completion-queue event if successful
7639 * NULL otherwise.
7640 **/
7641struct lpfc_cq_event *
7642lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
7643{
7644 struct lpfc_cq_event *cq_event;
7645 unsigned long iflags;
7646
7647 spin_lock_irqsave(&phba->hbalock, iflags);
7648 cq_event = __lpfc_sli4_cq_event_alloc(phba);
7649 spin_unlock_irqrestore(&phba->hbalock, iflags);
7650 return cq_event;
7651}
7652
7653/**
7654 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7655 * @phba: pointer to lpfc hba data structure.
7656 * @cq_event: pointer to the completion queue event to be freed.
7657 *
7658 * This routine is the lock free version of the API invoked to release a
7659 * completion-queue event back into the free pool.
7660 **/
7661void
7662__lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
7663 struct lpfc_cq_event *cq_event)
7664{
7665 list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool);
7666}
7667
7668/**
7669 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7670 * @phba: pointer to lpfc hba data structure.
7671 * @cq_event: pointer to the completion queue event to be freed.
7672 *
7673 * This routine is the lock version of the API invoked to release a
7674 * completion-queue event back into the free pool.
7675 **/
7676void
7677lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
7678 struct lpfc_cq_event *cq_event)
7679{
7680 unsigned long iflags;
7681 spin_lock_irqsave(&phba->hbalock, iflags);
7682 __lpfc_sli4_cq_event_release(phba, cq_event);
7683 spin_unlock_irqrestore(&phba->hbalock, iflags);
7684}
7685
7686/**
7687 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
7688 * @phba: pointer to lpfc hba data structure.
7689 *
7690 * This routine is to free all the pending completion-queue events to the
7691 * back into the free pool for device reset.
7692 **/
7693static void
7694lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba)
7695{
7696 LIST_HEAD(cqelist);
7697 struct lpfc_cq_event *cqe;
7698 unsigned long iflags;
7699
7700 /* Retrieve all the pending WCQEs from pending WCQE lists */
7701 spin_lock_irqsave(&phba->hbalock, iflags);
7702 /* Pending FCP XRI abort events */
7703 list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue,
7704 &cqelist);
7705 /* Pending ELS XRI abort events */
7706 list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue,
7707 &cqelist);
7708 /* Pending asynnc events */
7709 list_splice_init(&phba->sli4_hba.sp_asynce_work_queue,
7710 &cqelist);
7711 spin_unlock_irqrestore(&phba->hbalock, iflags);
7712
7713 while (!list_empty(&cqelist)) {
7714 list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list);
7715 lpfc_sli4_cq_event_release(phba, cqe);
7716 }
7717}
7718
7719/**
7720 * lpfc_pci_function_reset - Reset pci function.
7721 * @phba: pointer to lpfc hba data structure.
7722 *
7723 * This routine is invoked to request a PCI function reset. It will destroys
7724 * all resources assigned to the PCI function which originates this request.
7725 *
7726 * Return codes
af901ca1 7727 * 0 - successful
25985edc 7728 * -ENOMEM - No available memory
d439d286 7729 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7730 **/
7731int
7732lpfc_pci_function_reset(struct lpfc_hba *phba)
7733{
7734 LPFC_MBOXQ_t *mboxq;
2fcee4bf 7735 uint32_t rc = 0, if_type;
da0436e9 7736 uint32_t shdr_status, shdr_add_status;
2fcee4bf 7737 uint32_t rdy_chk, num_resets = 0, reset_again = 0;
da0436e9 7738 union lpfc_sli4_cfg_shdr *shdr;
2fcee4bf 7739 struct lpfc_register reg_data;
2b81f942 7740 uint16_t devid;
da0436e9 7741
2fcee4bf
JS		 7742 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
7743 switch (if_type) {
7744 case LPFC_SLI_INTF_IF_TYPE_0:
7745 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
7746 GFP_KERNEL);
7747 if (!mboxq) {
7748 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7749 "0494 Unable to allocate memory for "
7750 "issuing SLI_FUNCTION_RESET mailbox "
7751 "command\n");
7752 return -ENOMEM;
7753 }
da0436e9 7754
2fcee4bf
JS		 7755 /* Setup PCI function reset mailbox-ioctl command */
7756 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
7757 LPFC_MBOX_OPCODE_FUNCTION_RESET, 0,
7758 LPFC_SLI4_MBX_EMBED);
7759 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
7760 shdr = (union lpfc_sli4_cfg_shdr *)
7761 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
7762 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
7763 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
7764 &shdr->response);
7765 if (rc != MBX_TIMEOUT)
7766 mempool_free(mboxq, phba->mbox_mem_pool);
7767 if (shdr_status || shdr_add_status || rc) {
7768 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7769 "0495 SLI_FUNCTION_RESET mailbox "
7770 "failed with status x%x add_status x%x,"
7771 " mbx status x%x\n",
7772 shdr_status, shdr_add_status, rc);
7773 rc = -ENXIO;
7774 }
7775 break;
7776 case LPFC_SLI_INTF_IF_TYPE_2:
7777 for (num_resets = 0;
7778 num_resets < MAX_IF_TYPE_2_RESETS;
7779 num_resets++) {
7780 reg_data.word0 = 0;
7781 bf_set(lpfc_sliport_ctrl_end, &reg_data,
7782 LPFC_SLIPORT_LITTLE_ENDIAN);
7783 bf_set(lpfc_sliport_ctrl_ip, &reg_data,
7784 LPFC_SLIPORT_INIT_PORT);
7785 writel(reg_data.word0, phba->sli4_hba.u.if_type2.
7786 CTRLregaddr);
8fcb8acd 7787 /* flush */
2b81f942
JS		 7788 pci_read_config_word(phba->pcidev,
7789 PCI_DEVICE_ID, &devid);
2fcee4bf
JS		 7790 /*
7791 * Poll the Port Status Register and wait for RDY for
7792 * up to 10 seconds. If the port doesn't respond, treat
7793 * it as an error. If the port responds with RN, start
7794 * the loop again.
7795 */
7796 for (rdy_chk = 0; rdy_chk < 1000; rdy_chk++) {
73d91e50 7797 msleep(10);
9940b97b
JS		 7798 if (lpfc_readl(phba->sli4_hba.u.if_type2.
7799 STATUSregaddr, &reg_data.word0)) {
7800 rc = -ENODEV;
73d91e50 7801 goto out;
9940b97b 7802 }
6b5151fd 7803 if (bf_get(lpfc_sliport_status_rn, &reg_data))
2fcee4bf 7804 reset_again++;
6b5151fd 7805 if (bf_get(lpfc_sliport_status_rdy, &reg_data))
2fcee4bf 7806 break;
2fcee4bf
JS		 7807 }
7808
7809 /*
7810 * If the port responds to the init request with
7811 * reset needed, delay for a bit and restart the loop.
7812 */
6b5151fd 7813 if (reset_again && (rdy_chk < 1000)) {
2fcee4bf
JS		 7814 msleep(10);
7815 reset_again = 0;
7816 continue;
7817 }
7818
7819 /* Detect any port errors. */
2fcee4bf
JS		 7820 if ((bf_get(lpfc_sliport_status_err, &reg_data)) ||
7821 (rdy_chk >= 1000)) {
7822 phba->work_status[0] = readl(
7823 phba->sli4_hba.u.if_type2.ERR1regaddr);
7824 phba->work_status[1] = readl(
7825 phba->sli4_hba.u.if_type2.ERR2regaddr);
7826 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8fcb8acd 7827 "2890 Port error detected during port "
8a9d2e80
JS		 7828 "reset(%d): wait_tmo:%d ms, "
7829 "port status reg 0x%x, "
2fcee4bf 7830 "error 1=0x%x, error 2=0x%x\n",
8a9d2e80
JS		 7831 num_resets, rdy_chk*10,
7832 reg_data.word0,
2fcee4bf
JS		 7833 phba->work_status[0],
7834 phba->work_status[1]);
7835 rc = -ENODEV;
7836 }
7837
7838 /*
7839 * Terminate the outer loop provided the Port indicated
7840 * ready within 10 seconds.
7841 */
7842 if (rdy_chk < 1000)
7843 break;
7844 }
0558056c
JS		 7845 /* delay driver action following IF_TYPE_2 function reset */
7846 msleep(100);
2fcee4bf
JS		 7847 break;
7848 case LPFC_SLI_INTF_IF_TYPE_1:
7849 default:
7850 break;
da0436e9 7851 }
2fcee4bf 7852
73d91e50 7853out:
2fcee4bf 7854 /* Catch the not-ready port failure after a port reset. */
229adb0e
JS		 7855 if (num_resets >= MAX_IF_TYPE_2_RESETS) {
7856 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7857 "3317 HBA not functional: IP Reset Failed "
7858 "after (%d) retries, try: "
7859 "echo fw_reset > board_mode\n", num_resets);
2fcee4bf 7860 rc = -ENODEV;
229adb0e 7861 }
2fcee4bf 7862
da0436e9
JS		 7863 return rc;
7864}
7865
da0436e9
JS		 7866/**
7867 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
7868 * @phba: pointer to lpfc hba data structure.
7869 *
7870 * This routine is invoked to set up the PCI device memory space for device
7871 * with SLI-4 interface spec.
7872 *
7873 * Return codes
af901ca1 7874 * 0 - successful
da0436e9
JS		 7875 * other values - error
7876 **/
7877static int
7878lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
7879{
7880 struct pci_dev *pdev;
7881 unsigned long bar0map_len, bar1map_len, bar2map_len;
7882 int error = -ENODEV;
2fcee4bf 7883 uint32_t if_type;
da0436e9
JS		 7884
7885 /* Obtain PCI device reference */
7886 if (!phba->pcidev)
7887 return error;
7888 else
7889 pdev = phba->pcidev;
7890
7891 /* Set the device DMA mask size */
8e68597d
MR		 7892 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0
7893 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) {
7894 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0
7895 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) {
da0436e9 7896 return error;
8e68597d
MR		 7897 }
7898 }
da0436e9 7899
2fcee4bf
JS		 7900 /*
7901 * The BARs and register set definitions and offset locations are
7902 * dependent on the if_type.
7903 */
7904 if (pci_read_config_dword(pdev, LPFC_SLI_INTF,
7905 &phba->sli4_hba.sli_intf.word0)) {
7906 return error;
7907 }
7908
7909 /* There is no SLI3 failback for SLI4 devices. */
7910 if (bf_get(lpfc_sli_intf_valid, &phba->sli4_hba.sli_intf) !=
7911 LPFC_SLI_INTF_VALID) {
7912 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7913 "2894 SLI_INTF reg contents invalid "
7914 "sli_intf reg 0x%x\n",
7915 phba->sli4_hba.sli_intf.word0);
7916 return error;
7917 }
7918
7919 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
7920 /*
7921 * Get the bus address of SLI4 device Bar regions and the
7922 * number of bytes required by each mapping. The mapping of the
7923 * particular PCI BARs regions is dependent on the type of
7924 * SLI4 device.
da0436e9 7925 */
f5ca6f2e
JS		 7926 if (pci_resource_start(pdev, PCI_64BIT_BAR0)) {
7927 phba->pci_bar0_map = pci_resource_start(pdev, PCI_64BIT_BAR0);
7928 bar0map_len = pci_resource_len(pdev, PCI_64BIT_BAR0);
2fcee4bf
JS		 7929
7930 /*
7931 * Map SLI4 PCI Config Space Register base to a kernel virtual
7932 * addr
7933 */
7934 phba->sli4_hba.conf_regs_memmap_p =
7935 ioremap(phba->pci_bar0_map, bar0map_len);
7936 if (!phba->sli4_hba.conf_regs_memmap_p) {
7937 dev_printk(KERN_ERR, &pdev->dev,
7938 "ioremap failed for SLI4 PCI config "
7939 "registers.\n");
7940 goto out;
7941 }
f5ca6f2e 7942 phba->pci_bar0_memmap_p = phba->sli4_hba.conf_regs_memmap_p;
2fcee4bf
JS		 7943 /* Set up BAR0 PCI config space register memory map */
7944 lpfc_sli4_bar0_register_memmap(phba, if_type);
1dfb5a47
JS		 7945 } else {
7946 phba->pci_bar0_map = pci_resource_start(pdev, 1);
7947 bar0map_len = pci_resource_len(pdev, 1);
2fcee4bf
JS		 7948 if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
7949 dev_printk(KERN_ERR, &pdev->dev,
7950 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
7951 goto out;
7952 }
7953 phba->sli4_hba.conf_regs_memmap_p =
da0436e9 7954 ioremap(phba->pci_bar0_map, bar0map_len);
2fcee4bf
JS		 7955 if (!phba->sli4_hba.conf_regs_memmap_p) {
7956 dev_printk(KERN_ERR, &pdev->dev,
7957 "ioremap failed for SLI4 PCI config "
7958 "registers.\n");
7959 goto out;
7960 }
7961 lpfc_sli4_bar0_register_memmap(phba, if_type);
da0436e9
JS		 7962 }
7963
c31098ce 7964 if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
f5ca6f2e 7965 (pci_resource_start(pdev, PCI_64BIT_BAR2))) {
2fcee4bf
JS		 7966 /*
7967 * Map SLI4 if type 0 HBA Control Register base to a kernel
7968 * virtual address and setup the registers.
7969 */
f5ca6f2e
JS		 7970 phba->pci_bar1_map = pci_resource_start(pdev, PCI_64BIT_BAR2);
7971 bar1map_len = pci_resource_len(pdev, PCI_64BIT_BAR2);
2fcee4bf 7972 phba->sli4_hba.ctrl_regs_memmap_p =
da0436e9 7973 ioremap(phba->pci_bar1_map, bar1map_len);
2fcee4bf
JS		 7974 if (!phba->sli4_hba.ctrl_regs_memmap_p) {
7975 dev_printk(KERN_ERR, &pdev->dev,
da0436e9 7976 "ioremap failed for SLI4 HBA control registers.\n");
2fcee4bf
JS		 7977 goto out_iounmap_conf;
7978 }
f5ca6f2e 7979 phba->pci_bar2_memmap_p = phba->sli4_hba.ctrl_regs_memmap_p;
2fcee4bf 7980 lpfc_sli4_bar1_register_memmap(phba);
da0436e9
JS		 7981 }
7982
c31098ce 7983 if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
f5ca6f2e 7984 (pci_resource_start(pdev, PCI_64BIT_BAR4))) {
2fcee4bf
JS		 7985 /*
7986 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
7987 * virtual address and setup the registers.
7988 */
f5ca6f2e
JS		 7989 phba->pci_bar2_map = pci_resource_start(pdev, PCI_64BIT_BAR4);
7990 bar2map_len = pci_resource_len(pdev, PCI_64BIT_BAR4);
2fcee4bf 7991 phba->sli4_hba.drbl_regs_memmap_p =
da0436e9 7992 ioremap(phba->pci_bar2_map, bar2map_len);
2fcee4bf
JS		 7993 if (!phba->sli4_hba.drbl_regs_memmap_p) {
7994 dev_printk(KERN_ERR, &pdev->dev,
da0436e9 7995 "ioremap failed for SLI4 HBA doorbell registers.\n");
2fcee4bf
JS		 7996 goto out_iounmap_ctrl;
7997 }
f5ca6f2e 7998 phba->pci_bar4_memmap_p = phba->sli4_hba.drbl_regs_memmap_p;
2fcee4bf
JS		 7999 error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0);
8000 if (error)
8001 goto out_iounmap_all;
da0436e9
JS		 8002 }
8003
da0436e9
JS		 8004 return 0;
8005
8006out_iounmap_all:
8007 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
8008out_iounmap_ctrl:
8009 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
8010out_iounmap_conf:
8011 iounmap(phba->sli4_hba.conf_regs_memmap_p);
8012out:
8013 return error;
8014}
8015
8016/**
8017 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
8018 * @phba: pointer to lpfc hba data structure.
8019 *
8020 * This routine is invoked to unset the PCI device memory space for device
8021 * with SLI-4 interface spec.
8022 **/
8023static void
8024lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba)
8025{
2e90f4b5
JS		 8026 uint32_t if_type;
8027 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
da0436e9 8028
2e90f4b5
JS		 8029 switch (if_type) {
8030 case LPFC_SLI_INTF_IF_TYPE_0:
8031 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
8032 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
8033 iounmap(phba->sli4_hba.conf_regs_memmap_p);
8034 break;
8035 case LPFC_SLI_INTF_IF_TYPE_2:
8036 iounmap(phba->sli4_hba.conf_regs_memmap_p);
8037 break;
8038 case LPFC_SLI_INTF_IF_TYPE_1:
8039 default:
8040 dev_printk(KERN_ERR, &phba->pcidev->dev,
8041 "FATAL - unsupported SLI4 interface type - %d\n",
8042 if_type);
8043 break;
8044 }
da0436e9
JS		 8045}
8046
8047/**
8048 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
8049 * @phba: pointer to lpfc hba data structure.
8050 *
8051 * This routine is invoked to enable the MSI-X interrupt vectors to device
8052 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
8053 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
8054 * invoked, enables either all or nothing, depending on the current
8055 * availability of PCI vector resources. The device driver is responsible
8056 * for calling the individual request_irq() to register each MSI-X vector
8057 * with a interrupt handler, which is done in this function. Note that
8058 * later when device is unloading, the driver should always call free_irq()
8059 * on all MSI-X vectors it has done request_irq() on before calling
8060 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
8061 * will be left with MSI-X enabled and leaks its vectors.
8062 *
8063 * Return codes
af901ca1 8064 * 0 - successful
da0436e9
JS		 8065 * other values - error
8066 **/
8067static int
8068lpfc_sli_enable_msix(struct lpfc_hba *phba)
8069{
8070 int rc, i;
8071 LPFC_MBOXQ_t *pmb;
8072
8073 /* Set up MSI-X multi-message vectors */
8074 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
8075 phba->msix_entries[i].entry = i;
8076
8077 /* Configure MSI-X capability structure */
8078 rc = pci_enable_msix(phba->pcidev, phba->msix_entries,
8079 ARRAY_SIZE(phba->msix_entries));
8080 if (rc) {
8081 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8082 "0420 PCI enable MSI-X failed (%d)\n", rc);
8083 goto msi_fail_out;
8084 }
8085 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
8086 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8087 "0477 MSI-X entry[%d]: vector=x%x "
8088 "message=%d\n", i,
8089 phba->msix_entries[i].vector,
8090 phba->msix_entries[i].entry);
8091 /*
8092 * Assign MSI-X vectors to interrupt handlers
8093 */
8094
8095 /* vector-0 is associated to slow-path handler */
8096 rc = request_irq(phba->msix_entries[0].vector,
8097 &lpfc_sli_sp_intr_handler, IRQF_SHARED,
8098 LPFC_SP_DRIVER_HANDLER_NAME, phba);
8099 if (rc) {
8100 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8101 "0421 MSI-X slow-path request_irq failed "
8102 "(%d)\n", rc);
8103 goto msi_fail_out;
8104 }
8105
8106 /* vector-1 is associated to fast-path handler */
8107 rc = request_irq(phba->msix_entries[1].vector,
8108 &lpfc_sli_fp_intr_handler, IRQF_SHARED,
8109 LPFC_FP_DRIVER_HANDLER_NAME, phba);
8110
8111 if (rc) {
8112 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8113 "0429 MSI-X fast-path request_irq failed "
8114 "(%d)\n", rc);
8115 goto irq_fail_out;
8116 }
8117
8118 /*
8119 * Configure HBA MSI-X attention conditions to messages
8120 */
8121 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
8122
8123 if (!pmb) {
8124 rc = -ENOMEM;
8125 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8126 "0474 Unable to allocate memory for issuing "
8127 "MBOX_CONFIG_MSI command\n");
8128 goto mem_fail_out;
8129 }
8130 rc = lpfc_config_msi(phba, pmb);
8131 if (rc)
8132 goto mbx_fail_out;
8133 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
8134 if (rc != MBX_SUCCESS) {
8135 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
8136 "0351 Config MSI mailbox command failed, "
8137 "mbxCmd x%x, mbxStatus x%x\n",
8138 pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus);
8139 goto mbx_fail_out;
8140 }
8141
8142 /* Free memory allocated for mailbox command */
8143 mempool_free(pmb, phba->mbox_mem_pool);
8144 return rc;
8145
8146mbx_fail_out:
8147 /* Free memory allocated for mailbox command */
8148 mempool_free(pmb, phba->mbox_mem_pool);
8149
8150mem_fail_out:
8151 /* free the irq already requested */
8152 free_irq(phba->msix_entries[1].vector, phba);
8153
8154irq_fail_out:
8155 /* free the irq already requested */
8156 free_irq(phba->msix_entries[0].vector, phba);
8157
8158msi_fail_out:
8159 /* Unconfigure MSI-X capability structure */
8160 pci_disable_msix(phba->pcidev);
8161 return rc;
8162}
8163
8164/**
8165 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
8166 * @phba: pointer to lpfc hba data structure.
8167 *
8168 * This routine is invoked to release the MSI-X vectors and then disable the
8169 * MSI-X interrupt mode to device with SLI-3 interface spec.
8170 **/
8171static void
8172lpfc_sli_disable_msix(struct lpfc_hba *phba)
8173{
8174 int i;
8175
8176 /* Free up MSI-X multi-message vectors */
8177 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
8178 free_irq(phba->msix_entries[i].vector, phba);
8179 /* Disable MSI-X */
8180 pci_disable_msix(phba->pcidev);
8181
8182 return;
8183}
8184
8185/**
8186 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
8187 * @phba: pointer to lpfc hba data structure.
8188 *
8189 * This routine is invoked to enable the MSI interrupt mode to device with
8190 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
8191 * enable the MSI vector. The device driver is responsible for calling the
8192 * request_irq() to register MSI vector with a interrupt the handler, which
8193 * is done in this function.
8194 *
8195 * Return codes
af901ca1 8196 * 0 - successful
da0436e9
JS		 8197 * other values - error
8198 */
8199static int
8200lpfc_sli_enable_msi(struct lpfc_hba *phba)
8201{
8202 int rc;
8203
8204 rc = pci_enable_msi(phba->pcidev);
8205 if (!rc)
8206 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8207 "0462 PCI enable MSI mode success.\n");
8208 else {
8209 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8210 "0471 PCI enable MSI mode failed (%d)\n", rc);
8211 return rc;
8212 }
8213
8214 rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
8215 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8216 if (rc) {
8217 pci_disable_msi(phba->pcidev);
8218 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8219 "0478 MSI request_irq failed (%d)\n", rc);
8220 }
8221 return rc;
8222}
8223
8224/**
8225 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
8226 * @phba: pointer to lpfc hba data structure.
8227 *
8228 * This routine is invoked to disable the MSI interrupt mode to device with
8229 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
8230 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8231 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8232 * its vector.
8233 */
8234static void
8235lpfc_sli_disable_msi(struct lpfc_hba *phba)
8236{
8237 free_irq(phba->pcidev->irq, phba);
8238 pci_disable_msi(phba->pcidev);
8239 return;
8240}
8241
8242/**
8243 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
8244 * @phba: pointer to lpfc hba data structure.
8245 *
8246 * This routine is invoked to enable device interrupt and associate driver's
8247 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
8248 * spec. Depends on the interrupt mode configured to the driver, the driver
8249 * will try to fallback from the configured interrupt mode to an interrupt
8250 * mode which is supported by the platform, kernel, and device in the order
8251 * of:
8252 * MSI-X -> MSI -> IRQ.
8253 *
8254 * Return codes
af901ca1 8255 * 0 - successful
da0436e9
JS		 8256 * other values - error
8257 **/
8258static uint32_t
8259lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
8260{
8261 uint32_t intr_mode = LPFC_INTR_ERROR;
8262 int retval;
8263
8264 if (cfg_mode == 2) {
8265 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
8266 retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3);
8267 if (!retval) {
8268 /* Now, try to enable MSI-X interrupt mode */
8269 retval = lpfc_sli_enable_msix(phba);
8270 if (!retval) {
8271 /* Indicate initialization to MSI-X mode */
8272 phba->intr_type = MSIX;
8273 intr_mode = 2;
8274 }
8275 }
8276 }
8277
8278 /* Fallback to MSI if MSI-X initialization failed */
8279 if (cfg_mode >= 1 && phba->intr_type == NONE) {
8280 retval = lpfc_sli_enable_msi(phba);
8281 if (!retval) {
8282 /* Indicate initialization to MSI mode */
8283 phba->intr_type = MSI;
8284 intr_mode = 1;
8285 }
8286 }
8287
8288 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8289 if (phba->intr_type == NONE) {
8290 retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
8291 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8292 if (!retval) {
8293 /* Indicate initialization to INTx mode */
8294 phba->intr_type = INTx;
8295 intr_mode = 0;
8296 }
8297 }
8298 return intr_mode;
8299}
8300
8301/**
8302 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
8303 * @phba: pointer to lpfc hba data structure.
8304 *
8305 * This routine is invoked to disable device interrupt and disassociate the
8306 * driver's interrupt handler(s) from interrupt vector(s) to device with
8307 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
8308 * release the interrupt vector(s) for the message signaled interrupt.
8309 **/
8310static void
8311lpfc_sli_disable_intr(struct lpfc_hba *phba)
8312{
8313 /* Disable the currently initialized interrupt mode */
8314 if (phba->intr_type == MSIX)
8315 lpfc_sli_disable_msix(phba);
8316 else if (phba->intr_type == MSI)
8317 lpfc_sli_disable_msi(phba);
8318 else if (phba->intr_type == INTx)
8319 free_irq(phba->pcidev->irq, phba);
8320
8321 /* Reset interrupt management states */
8322 phba->intr_type = NONE;
8323 phba->sli.slistat.sli_intr = 0;
8324
8325 return;
8326}
8327
7bb03bbf
JS		 8328/**
8329 * lpfc_find_next_cpu - Find next available CPU that matches the phys_id
8330 * @phba: pointer to lpfc hba data structure.
8331 *
8332 * Find next available CPU to use for IRQ to CPU affinity.
8333 */
8334static int
8335lpfc_find_next_cpu(struct lpfc_hba *phba, uint32_t phys_id)
8336{
8337 struct lpfc_vector_map_info *cpup;
8338 int cpu;
8339
8340 cpup = phba->sli4_hba.cpu_map;
8341 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
8342 /* CPU must be online */
8343 if (cpu_online(cpu)) {
8344 if ((cpup->irq == LPFC_VECTOR_MAP_EMPTY) &&
8345 (lpfc_used_cpu[cpu] == LPFC_VECTOR_MAP_EMPTY) &&
8346 (cpup->phys_id == phys_id)) {
8347 return cpu;
8348 }
8349 }
8350 cpup++;
8351 }
8352
8353 /*
8354 * If we get here, we have used ALL CPUs for the specific
8355 * phys_id. Now we need to clear out lpfc_used_cpu and start
8356 * reusing CPUs.
8357 */
8358
8359 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
8360 if (lpfc_used_cpu[cpu] == phys_id)
8361 lpfc_used_cpu[cpu] = LPFC_VECTOR_MAP_EMPTY;
8362 }
8363
8364 cpup = phba->sli4_hba.cpu_map;
8365 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
8366 /* CPU must be online */
8367 if (cpu_online(cpu)) {
8368 if ((cpup->irq == LPFC_VECTOR_MAP_EMPTY) &&
8369 (cpup->phys_id == phys_id)) {
8370 return cpu;
8371 }
8372 }
8373 cpup++;
8374 }
8375 return LPFC_VECTOR_MAP_EMPTY;
8376}
8377
8378/**
8379 * lpfc_sli4_set_affinity - Set affinity for HBA IRQ vectors
8380 * @phba: pointer to lpfc hba data structure.
8381 * @vectors: number of HBA vectors
8382 *
8383 * Affinitize MSIX IRQ vectors to CPUs. Try to equally spread vector
8384 * affinization across multple physical CPUs (numa nodes).
8385 * In addition, this routine will assign an IO channel for each CPU
8386 * to use when issuing I/Os.
8387 */
8388static int
8389lpfc_sli4_set_affinity(struct lpfc_hba *phba, int vectors)
8390{
8391 int i, idx, saved_chann, used_chann, cpu, phys_id;
ec2087a7
JS		 8392 int max_phys_id, min_phys_id;
8393 int num_io_channel, first_cpu, chan;
7bb03bbf
JS		 8394 struct lpfc_vector_map_info *cpup;
8395#ifdef CONFIG_X86
8396 struct cpuinfo_x86 *cpuinfo;
8397#endif
8398 struct cpumask *mask;
8399 uint8_t chann[LPFC_FCP_IO_CHAN_MAX+1];
8400
8401 /* If there is no mapping, just return */
8402 if (!phba->cfg_fcp_cpu_map)
8403 return 1;
8404
8405 /* Init cpu_map array */
8406 memset(phba->sli4_hba.cpu_map, 0xff,
8407 (sizeof(struct lpfc_vector_map_info) *
8408 phba->sli4_hba.num_present_cpu));
8409
8410 max_phys_id = 0;
ec2087a7 8411 min_phys_id = 0xff;
7bb03bbf
JS		 8412 phys_id = 0;
8413 num_io_channel = 0;
8414 first_cpu = LPFC_VECTOR_MAP_EMPTY;
8415
8416 /* Update CPU map with physical id and core id of each CPU */
8417 cpup = phba->sli4_hba.cpu_map;
8418 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
8419#ifdef CONFIG_X86
8420 cpuinfo = &cpu_data(cpu);
8421 cpup->phys_id = cpuinfo->phys_proc_id;
8422 cpup->core_id = cpuinfo->cpu_core_id;
8423#else
8424 /* No distinction between CPUs for other platforms */
8425 cpup->phys_id = 0;
8426 cpup->core_id = 0;
8427#endif
8428
8429 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8430 "3328 CPU physid %d coreid %d\n",
8431 cpup->phys_id, cpup->core_id);
8432
8433 if (cpup->phys_id > max_phys_id)
8434 max_phys_id = cpup->phys_id;
ec2087a7
JS		 8435 if (cpup->phys_id < min_phys_id)
8436 min_phys_id = cpup->phys_id;
7bb03bbf
JS		 8437 cpup++;
8438 }
8439
ec2087a7 8440 phys_id = min_phys_id;
7bb03bbf
JS		 8441 /* Now associate the HBA vectors with specific CPUs */
8442 for (idx = 0; idx < vectors; idx++) {
8443 cpup = phba->sli4_hba.cpu_map;
8444 cpu = lpfc_find_next_cpu(phba, phys_id);
8445 if (cpu == LPFC_VECTOR_MAP_EMPTY) {
8446
8447 /* Try for all phys_id's */
8448 for (i = 1; i < max_phys_id; i++) {
8449 phys_id++;
8450 if (phys_id > max_phys_id)
ec2087a7 8451 phys_id = min_phys_id;
7bb03bbf
JS		 8452 cpu = lpfc_find_next_cpu(phba, phys_id);
8453 if (cpu == LPFC_VECTOR_MAP_EMPTY)
8454 continue;
8455 goto found;
8456 }
8457
ec2087a7
JS		 8458 /* Use round robin for scheduling */
8459 phba->cfg_fcp_io_sched = LPFC_FCP_SCHED_ROUND_ROBIN;
8460 chan = 0;
8461 cpup = phba->sli4_hba.cpu_map;
8462 for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
8463 cpup->channel_id = chan;
8464 cpup++;
8465 chan++;
8466 if (chan >= phba->cfg_fcp_io_channel)
8467 chan = 0;
8468 }
8469
7bb03bbf
JS		 8470 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8471 "3329 Cannot set affinity:"
8472 "Error mapping vector %d (%d)\n",
8473 idx, vectors);
8474 return 0;
8475 }
8476found:
8477 cpup += cpu;
8478 if (phba->cfg_fcp_cpu_map == LPFC_DRIVER_CPU_MAP)
8479 lpfc_used_cpu[cpu] = phys_id;
8480
8481 /* Associate vector with selected CPU */
8482 cpup->irq = phba->sli4_hba.msix_entries[idx].vector;
8483
8484 /* Associate IO channel with selected CPU */
8485 cpup->channel_id = idx;
8486 num_io_channel++;
8487
8488 if (first_cpu == LPFC_VECTOR_MAP_EMPTY)
8489 first_cpu = cpu;
8490
8491 /* Now affinitize to the selected CPU */
8492 mask = &cpup->maskbits;
8493 cpumask_clear(mask);
8494 cpumask_set_cpu(cpu, mask);
8495 i = irq_set_affinity_hint(phba->sli4_hba.msix_entries[idx].
8496 vector, mask);
8497
8498 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8499 "3330 Set Affinity: CPU %d channel %d "
8500 "irq %d (%x)\n",
8501 cpu, cpup->channel_id,
8502 phba->sli4_hba.msix_entries[idx].vector, i);
8503
8504 /* Spread vector mapping across multple physical CPU nodes */
8505 phys_id++;
8506 if (phys_id > max_phys_id)
ec2087a7 8507 phys_id = min_phys_id;
7bb03bbf
JS		 8508 }
8509
8510 /*
8511 * Finally fill in the IO channel for any remaining CPUs.
8512 * At this point, all IO channels have been assigned to a specific
8513 * MSIx vector, mapped to a specific CPU.
8514 * Base the remaining IO channel assigned, to IO channels already
8515 * assigned to other CPUs on the same phys_id.
8516 */
ec2087a7 8517 for (i = min_phys_id; i <= max_phys_id; i++) {
7bb03bbf
JS		 8518 /*
8519 * If there are no io channels already mapped to
8520 * this phys_id, just round robin thru the io_channels.
8521 * Setup chann[] for round robin.
8522 */
8523 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++)
8524 chann[idx] = idx;
8525
8526 saved_chann = 0;
8527 used_chann = 0;
8528
8529 /*
8530 * First build a list of IO channels already assigned
8531 * to this phys_id before reassigning the same IO
8532 * channels to the remaining CPUs.
8533 */
8534 cpup = phba->sli4_hba.cpu_map;
8535 cpu = first_cpu;
8536 cpup += cpu;
8537 for (idx = 0; idx < phba->sli4_hba.num_present_cpu;
8538 idx++) {
8539 if (cpup->phys_id == i) {
8540 /*
8541 * Save any IO channels that are
8542 * already mapped to this phys_id.
8543 */
8544 if (cpup->irq != LPFC_VECTOR_MAP_EMPTY) {
8545 chann[saved_chann] =
8546 cpup->channel_id;
8547 saved_chann++;
8548 goto out;
8549 }
8550
8551 /* See if we are using round-robin */
8552 if (saved_chann == 0)
8553 saved_chann =
8554 phba->cfg_fcp_io_channel;
8555
8556 /* Associate next IO channel with CPU */
8557 cpup->channel_id = chann[used_chann];
8558 num_io_channel++;
8559 used_chann++;
8560 if (used_chann == saved_chann)
8561 used_chann = 0;
8562
8563 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8564 "3331 Set IO_CHANN "
8565 "CPU %d channel %d\n",
8566 idx, cpup->channel_id);
8567 }
8568out:
8569 cpu++;
8570 if (cpu >= phba->sli4_hba.num_present_cpu) {
8571 cpup = phba->sli4_hba.cpu_map;
8572 cpu = 0;
8573 } else {
8574 cpup++;
8575 }
8576 }
8577 }
8578
8579 if (phba->sli4_hba.num_online_cpu != phba->sli4_hba.num_present_cpu) {
8580 cpup = phba->sli4_hba.cpu_map;
8581 for (idx = 0; idx < phba->sli4_hba.num_present_cpu; idx++) {
8582 if (cpup->channel_id == LPFC_VECTOR_MAP_EMPTY) {
8583 cpup->channel_id = 0;
8584 num_io_channel++;
8585
8586 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8587 "3332 Assign IO_CHANN "
8588 "CPU %d channel %d\n",
8589 idx, cpup->channel_id);
8590 }
8591 cpup++;
8592 }
8593 }
8594
8595 /* Sanity check */
8596 if (num_io_channel != phba->sli4_hba.num_present_cpu)
8597 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8598 "3333 Set affinity mismatch:"
ec2087a7 8599 "%d chann != %d cpus: %d vectors\n",
7bb03bbf
JS		 8600 num_io_channel, phba->sli4_hba.num_present_cpu,
8601 vectors);
8602
ec2087a7 8603 /* Enable using cpu affinity for scheduling */
7bb03bbf
JS		 8604 phba->cfg_fcp_io_sched = LPFC_FCP_SCHED_BY_CPU;
8605 return 1;
8606}
8607
8608
da0436e9
JS		 8609/**
8610 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
8611 * @phba: pointer to lpfc hba data structure.
8612 *
8613 * This routine is invoked to enable the MSI-X interrupt vectors to device
8614 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
8615 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
8616 * enables either all or nothing, depending on the current availability of
8617 * PCI vector resources. The device driver is responsible for calling the
8618 * individual request_irq() to register each MSI-X vector with a interrupt
8619 * handler, which is done in this function. Note that later when device is
8620 * unloading, the driver should always call free_irq() on all MSI-X vectors
8621 * it has done request_irq() on before calling pci_disable_msix(). Failure
8622 * to do so results in a BUG_ON() and a device will be left with MSI-X
8623 * enabled and leaks its vectors.
8624 *
8625 * Return codes
af901ca1 8626 * 0 - successful
da0436e9
JS		 8627 * other values - error
8628 **/
8629static int
8630lpfc_sli4_enable_msix(struct lpfc_hba *phba)
8631{
75baf696 8632 int vectors, rc, index;
da0436e9
JS		 8633
8634 /* Set up MSI-X multi-message vectors */
82c3e9ba 8635 for (index = 0; index < phba->cfg_fcp_io_channel; index++)
da0436e9
JS		 8636 phba->sli4_hba.msix_entries[index].entry = index;
8637
8638 /* Configure MSI-X capability structure */
82c3e9ba 8639 vectors = phba->cfg_fcp_io_channel;
75baf696 8640enable_msix_vectors:
da0436e9 8641 rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries,
75baf696
JS		 8642 vectors);
8643 if (rc > 1) {
8644 vectors = rc;
8645 goto enable_msix_vectors;
8646 } else if (rc) {
da0436e9
JS		 8647 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8648 "0484 PCI enable MSI-X failed (%d)\n", rc);
8649 goto msi_fail_out;
8650 }
75baf696 8651
da0436e9 8652 /* Log MSI-X vector assignment */
75baf696 8653 for (index = 0; index < vectors; index++)
da0436e9
JS		 8654 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8655 "0489 MSI-X entry[%d]: vector=x%x "
8656 "message=%d\n", index,
8657 phba->sli4_hba.msix_entries[index].vector,
8658 phba->sli4_hba.msix_entries[index].entry);
67d12733 8659
7bb03bbf 8660 /* Assign MSI-X vectors to interrupt handlers */
67d12733 8661 for (index = 0; index < vectors; index++) {
4305f183
JS		 8662 memset(&phba->sli4_hba.handler_name[index], 0, 16);
8663 sprintf((char *)&phba->sli4_hba.handler_name[index],
8664 LPFC_DRIVER_HANDLER_NAME"%d", index);
da0436e9 8665
67d12733
JS		 8666 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8667 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
ba20c853 8668 atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].fcp_eq_in_use, 1);
da0436e9 8669 rc = request_irq(phba->sli4_hba.msix_entries[index].vector,
67d12733 8670 &lpfc_sli4_hba_intr_handler, IRQF_SHARED,
4305f183 8671 (char *)&phba->sli4_hba.handler_name[index],
67d12733 8672 &phba->sli4_hba.fcp_eq_hdl[index]);
da0436e9
JS		 8673 if (rc) {
8674 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8675 "0486 MSI-X fast-path (%d) "
8676 "request_irq failed (%d)\n", index, rc);
8677 goto cfg_fail_out;
8678 }
8679 }
8680
82c3e9ba
JS		 8681 if (vectors != phba->cfg_fcp_io_channel) {
8682 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8683 "3238 Reducing IO channels to match number of "
8684 "MSI-X vectors, requested %d got %d\n",
8685 phba->cfg_fcp_io_channel, vectors);
8686 phba->cfg_fcp_io_channel = vectors;
8687 }
7bb03bbf
JS		 8688
8689 lpfc_sli4_set_affinity(phba, vectors);
da0436e9
JS		 8690 return rc;
8691
8692cfg_fail_out:
8693 /* free the irq already requested */
acbd8616
JS		 8694 for (--index; index >= 0; index--) {
8695 irq_set_affinity_hint(phba->sli4_hba.msix_entries[index].
8696 vector, NULL);
67d12733
JS		 8697 free_irq(phba->sli4_hba.msix_entries[index].vector,
8698 &phba->sli4_hba.fcp_eq_hdl[index]);
acbd8616 8699 }
da0436e9
JS		 8700
8701msi_fail_out:
8702 /* Unconfigure MSI-X capability structure */
8703 pci_disable_msix(phba->pcidev);
8704 return rc;
8705}
8706
8707/**
8708 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
8709 * @phba: pointer to lpfc hba data structure.
8710 *
8711 * This routine is invoked to release the MSI-X vectors and then disable the
8712 * MSI-X interrupt mode to device with SLI-4 interface spec.
8713 **/
8714static void
8715lpfc_sli4_disable_msix(struct lpfc_hba *phba)
8716{
8717 int index;
8718
8719 /* Free up MSI-X multi-message vectors */
acbd8616
JS		 8720 for (index = 0; index < phba->cfg_fcp_io_channel; index++) {
8721 irq_set_affinity_hint(phba->sli4_hba.msix_entries[index].
8722 vector, NULL);
da0436e9 8723 free_irq(phba->sli4_hba.msix_entries[index].vector,
67d12733 8724 &phba->sli4_hba.fcp_eq_hdl[index]);
acbd8616 8725 }
75baf696 8726
da0436e9
JS		 8727 /* Disable MSI-X */
8728 pci_disable_msix(phba->pcidev);
8729
8730 return;
8731}
8732
8733/**
8734 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
8735 * @phba: pointer to lpfc hba data structure.
8736 *
8737 * This routine is invoked to enable the MSI interrupt mode to device with
8738 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
8739 * to enable the MSI vector. The device driver is responsible for calling
8740 * the request_irq() to register MSI vector with a interrupt the handler,
8741 * which is done in this function.
8742 *
8743 * Return codes
af901ca1 8744 * 0 - successful
da0436e9
JS		 8745 * other values - error
8746 **/
8747static int
8748lpfc_sli4_enable_msi(struct lpfc_hba *phba)
8749{
8750 int rc, index;
8751
8752 rc = pci_enable_msi(phba->pcidev);
8753 if (!rc)
8754 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8755 "0487 PCI enable MSI mode success.\n");
8756 else {
8757 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8758 "0488 PCI enable MSI mode failed (%d)\n", rc);
8759 return rc;
8760 }
8761
8762 rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
8763 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8764 if (rc) {
8765 pci_disable_msi(phba->pcidev);
8766 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8767 "0490 MSI request_irq failed (%d)\n", rc);
75baf696 8768 return rc;
da0436e9
JS		 8769 }
8770
67d12733 8771 for (index = 0; index < phba->cfg_fcp_io_channel; index++) {
da0436e9
JS		 8772 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8773 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
8774 }
8775
75baf696 8776 return 0;
da0436e9
JS		 8777}
8778
8779/**
8780 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
8781 * @phba: pointer to lpfc hba data structure.
8782 *
8783 * This routine is invoked to disable the MSI interrupt mode to device with
8784 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
8785 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8786 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8787 * its vector.
8788 **/
8789static void
8790lpfc_sli4_disable_msi(struct lpfc_hba *phba)
8791{
8792 free_irq(phba->pcidev->irq, phba);
8793 pci_disable_msi(phba->pcidev);
8794 return;
8795}
8796
8797/**
8798 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
8799 * @phba: pointer to lpfc hba data structure.
8800 *
8801 * This routine is invoked to enable device interrupt and associate driver's
8802 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
8803 * interface spec. Depends on the interrupt mode configured to the driver,
8804 * the driver will try to fallback from the configured interrupt mode to an
8805 * interrupt mode which is supported by the platform, kernel, and device in
8806 * the order of:
8807 * MSI-X -> MSI -> IRQ.
8808 *
8809 * Return codes
af901ca1 8810 * 0 - successful
da0436e9
JS		 8811 * other values - error
8812 **/
8813static uint32_t
8814lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
8815{
8816 uint32_t intr_mode = LPFC_INTR_ERROR;
8817 int retval, index;
8818
8819 if (cfg_mode == 2) {
8820 /* Preparation before conf_msi mbox cmd */
8821 retval = 0;
8822 if (!retval) {
8823 /* Now, try to enable MSI-X interrupt mode */
8824 retval = lpfc_sli4_enable_msix(phba);
8825 if (!retval) {
8826 /* Indicate initialization to MSI-X mode */
8827 phba->intr_type = MSIX;
8828 intr_mode = 2;
8829 }
8830 }
8831 }
8832
8833 /* Fallback to MSI if MSI-X initialization failed */
8834 if (cfg_mode >= 1 && phba->intr_type == NONE) {
8835 retval = lpfc_sli4_enable_msi(phba);
8836 if (!retval) {
8837 /* Indicate initialization to MSI mode */
8838 phba->intr_type = MSI;
8839 intr_mode = 1;
8840 }
8841 }
8842
8843 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8844 if (phba->intr_type == NONE) {
8845 retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
8846 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8847 if (!retval) {
8848 /* Indicate initialization to INTx mode */
8849 phba->intr_type = INTx;
8850 intr_mode = 0;
67d12733 8851 for (index = 0; index < phba->cfg_fcp_io_channel;
da0436e9
JS		 8852 index++) {
8853 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8854 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
ba20c853
JS		 8855 atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].
8856 fcp_eq_in_use, 1);
da0436e9
JS		 8857 }
8858 }
8859 }
8860 return intr_mode;
8861}
8862
8863/**
8864 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
8865 * @phba: pointer to lpfc hba data structure.
8866 *
8867 * This routine is invoked to disable device interrupt and disassociate
8868 * the driver's interrupt handler(s) from interrupt vector(s) to device
8869 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
8870 * will release the interrupt vector(s) for the message signaled interrupt.
8871 **/
8872static void
8873lpfc_sli4_disable_intr(struct lpfc_hba *phba)
8874{
8875 /* Disable the currently initialized interrupt mode */
8876 if (phba->intr_type == MSIX)
8877 lpfc_sli4_disable_msix(phba);
8878 else if (phba->intr_type == MSI)
8879 lpfc_sli4_disable_msi(phba);
8880 else if (phba->intr_type == INTx)
8881 free_irq(phba->pcidev->irq, phba);
8882
8883 /* Reset interrupt management states */
8884 phba->intr_type = NONE;
8885 phba->sli.slistat.sli_intr = 0;
8886
8887 return;
8888}
8889
8890/**
8891 * lpfc_unset_hba - Unset SLI3 hba device initialization
8892 * @phba: pointer to lpfc hba data structure.
8893 *
8894 * This routine is invoked to unset the HBA device initialization steps to
8895 * a device with SLI-3 interface spec.
8896 **/
8897static void
8898lpfc_unset_hba(struct lpfc_hba *phba)
8899{
8900 struct lpfc_vport *vport = phba->pport;
8901 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
8902
8903 spin_lock_irq(shost->host_lock);
8904 vport->load_flag |= FC_UNLOADING;
8905 spin_unlock_irq(shost->host_lock);
8906
72859909
JS		 8907 kfree(phba->vpi_bmask);
8908 kfree(phba->vpi_ids);
8909
da0436e9
JS		 8910 lpfc_stop_hba_timers(phba);
8911
8912 phba->pport->work_port_events = 0;
8913
8914 lpfc_sli_hba_down(phba);
8915
8916 lpfc_sli_brdrestart(phba);
8917
8918 lpfc_sli_disable_intr(phba);
8919
8920 return;
8921}
8922
5af5eee7
JS		 8923/**
8924 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
8925 * @phba: Pointer to HBA context object.
8926 *
8927 * This function is called in the SLI4 code path to wait for completion
8928 * of device's XRIs exchange busy. It will check the XRI exchange busy
8929 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
8930 * that, it will check the XRI exchange busy on outstanding FCP and ELS
8931 * I/Os every 30 seconds, log error message, and wait forever. Only when
8932 * all XRI exchange busy complete, the driver unload shall proceed with
8933 * invoking the function reset ioctl mailbox command to the CNA and the
8934 * the rest of the driver unload resource release.
8935 **/
8936static void
8937lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba)
8938{
8939 int wait_time = 0;
8940 int fcp_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
8941 int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
8942
8943 while (!fcp_xri_cmpl || !els_xri_cmpl) {
8944 if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) {
8945 if (!fcp_xri_cmpl)
8946 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8947 "2877 FCP XRI exchange busy "
8948 "wait time: %d seconds.\n",
8949 wait_time/1000);
8950 if (!els_xri_cmpl)
8951 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8952 "2878 ELS XRI exchange busy "
8953 "wait time: %d seconds.\n",
8954 wait_time/1000);
8955 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2);
8956 wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2;
8957 } else {
8958 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1);
8959 wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1;
8960 }
8961 fcp_xri_cmpl =
8962 list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
8963 els_xri_cmpl =
8964 list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
8965 }
8966}
8967
da0436e9
JS		 8968/**
8969 * lpfc_sli4_hba_unset - Unset the fcoe hba
8970 * @phba: Pointer to HBA context object.
8971 *
8972 * This function is called in the SLI4 code path to reset the HBA's FCoE
8973 * function. The caller is not required to hold any lock. This routine
8974 * issues PCI function reset mailbox command to reset the FCoE function.
8975 * At the end of the function, it calls lpfc_hba_down_post function to
8976 * free any pending commands.
8977 **/
8978static void
8979lpfc_sli4_hba_unset(struct lpfc_hba *phba)
8980{
8981 int wait_cnt = 0;
8982 LPFC_MBOXQ_t *mboxq;
912e3acd 8983 struct pci_dev *pdev = phba->pcidev;
da0436e9
JS		 8984
8985 lpfc_stop_hba_timers(phba);
8986 phba->sli4_hba.intr_enable = 0;
8987
8988 /*
8989 * Gracefully wait out the potential current outstanding asynchronous
8990 * mailbox command.
8991 */
8992
8993 /* First, block any pending async mailbox command from posted */
8994 spin_lock_irq(&phba->hbalock);
8995 phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK;
8996 spin_unlock_irq(&phba->hbalock);
8997 /* Now, trying to wait it out if we can */
8998 while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
8999 msleep(10);
9000 if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT)
9001 break;
9002 }
9003 /* Forcefully release the outstanding mailbox command if timed out */
9004 if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
9005 spin_lock_irq(&phba->hbalock);
9006 mboxq = phba->sli.mbox_active;
9007 mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED;
9008 __lpfc_mbox_cmpl_put(phba, mboxq);
9009 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
9010 phba->sli.mbox_active = NULL;
9011 spin_unlock_irq(&phba->hbalock);
9012 }
9013
5af5eee7
JS		 9014 /* Abort all iocbs associated with the hba */
9015 lpfc_sli_hba_iocb_abort(phba);
9016
9017 /* Wait for completion of device XRI exchange busy */
9018 lpfc_sli4_xri_exchange_busy_wait(phba);
9019
da0436e9
JS		 9020 /* Disable PCI subsystem interrupt */
9021 lpfc_sli4_disable_intr(phba);
9022
912e3acd
JS		 9023 /* Disable SR-IOV if enabled */
9024 if (phba->cfg_sriov_nr_virtfn)
9025 pci_disable_sriov(pdev);
9026
da0436e9
JS		 9027 /* Stop kthread signal shall trigger work_done one more time */
9028 kthread_stop(phba->worker_thread);
9029
3677a3a7
JS		 9030 /* Reset SLI4 HBA FCoE function */
9031 lpfc_pci_function_reset(phba);
5350d872 9032 lpfc_sli4_queue_destroy(phba);
3677a3a7 9033
da0436e9
JS		 9034 /* Stop the SLI4 device port */
9035 phba->pport->work_port_events = 0;
9036}
9037
28baac74
JS		 9038 /**
9039 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
9040 * @phba: Pointer to HBA context object.
9041 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
9042 *
9043 * This function is called in the SLI4 code path to read the port's
9044 * sli4 capabilities.
9045 *
9046 * This function may be be called from any context that can block-wait
9047 * for the completion. The expectation is that this routine is called
9048 * typically from probe_one or from the online routine.
9049 **/
9050int
9051lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
9052{
9053 int rc;
9054 struct lpfc_mqe *mqe;
9055 struct lpfc_pc_sli4_params *sli4_params;
9056 uint32_t mbox_tmo;
9057
9058 rc = 0;
9059 mqe = &mboxq->u.mqe;
9060
9061 /* Read the port's SLI4 Parameters port capabilities */
fedd3b7b 9062 lpfc_pc_sli4_params(mboxq);
28baac74
JS		 9063 if (!phba->sli4_hba.intr_enable)
9064 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
9065 else {
a183a15f 9066 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
28baac74
JS		 9067 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
9068 }
9069
9070 if (unlikely(rc))
9071 return 1;
9072
9073 sli4_params = &phba->sli4_hba.pc_sli4_params;
9074 sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params);
9075 sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params);
9076 sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params);
9077 sli4_params->featurelevel_1 = bf_get(featurelevel_1,
9078 &mqe->un.sli4_params);
9079 sli4_params->featurelevel_2 = bf_get(featurelevel_2,
9080 &mqe->un.sli4_params);
9081 sli4_params->proto_types = mqe->un.sli4_params.word3;
9082 sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len;
9083 sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params);
9084 sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params);
9085 sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params);
9086 sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params);
9087 sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params);
9088 sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params);
9089 sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params);
9090 sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params);
9091 sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params);
9092 sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params);
9093 sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params);
9094 sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params);
9095 sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params);
9096 sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params);
9097 sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params);
9098 sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params);
9099 sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params);
9100 sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params);
9101 sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params);
0558056c
JS		 9102
9103 /* Make sure that sge_supp_len can be handled by the driver */
9104 if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
9105 sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
9106
28baac74
JS		 9107 return rc;
9108}
9109
fedd3b7b
JS		 9110/**
9111 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
9112 * @phba: Pointer to HBA context object.
9113 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
9114 *
9115 * This function is called in the SLI4 code path to read the port's
9116 * sli4 capabilities.
9117 *
9118 * This function may be be called from any context that can block-wait
9119 * for the completion. The expectation is that this routine is called
9120 * typically from probe_one or from the online routine.
9121 **/
9122int
9123lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
9124{
9125 int rc;
9126 struct lpfc_mqe *mqe = &mboxq->u.mqe;
9127 struct lpfc_pc_sli4_params *sli4_params;
a183a15f 9128 uint32_t mbox_tmo;
fedd3b7b
JS		 9129 int length;
9130 struct lpfc_sli4_parameters *mbx_sli4_parameters;
9131
6d368e53
JS		 9132 /*
9133 * By default, the driver assumes the SLI4 port requires RPI
9134 * header postings. The SLI4_PARAM response will correct this
9135 * assumption.
9136 */
9137 phba->sli4_hba.rpi_hdrs_in_use = 1;
9138
fedd3b7b
JS		 9139 /* Read the port's SLI4 Config Parameters */
9140 length = (sizeof(struct lpfc_mbx_get_sli4_parameters) -
9141 sizeof(struct lpfc_sli4_cfg_mhdr));
9142 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
9143 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS,
9144 length, LPFC_SLI4_MBX_EMBED);
9145 if (!phba->sli4_hba.intr_enable)
9146 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
a183a15f
JS		 9147 else {
9148 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
9149 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
9150 }
fedd3b7b
JS		 9151 if (unlikely(rc))
9152 return rc;
9153 sli4_params = &phba->sli4_hba.pc_sli4_params;
9154 mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters;
9155 sli4_params->if_type = bf_get(cfg_if_type, mbx_sli4_parameters);
9156 sli4_params->sli_rev = bf_get(cfg_sli_rev, mbx_sli4_parameters);
9157 sli4_params->sli_family = bf_get(cfg_sli_family, mbx_sli4_parameters);
9158 sli4_params->featurelevel_1 = bf_get(cfg_sli_hint_1,
9159 mbx_sli4_parameters);
9160 sli4_params->featurelevel_2 = bf_get(cfg_sli_hint_2,
9161 mbx_sli4_parameters);
9162 if (bf_get(cfg_phwq, mbx_sli4_parameters))
9163 phba->sli3_options |= LPFC_SLI4_PHWQ_ENABLED;
9164 else
9165 phba->sli3_options &= ~LPFC_SLI4_PHWQ_ENABLED;
9166 sli4_params->sge_supp_len = mbx_sli4_parameters->sge_supp_len;
9167 sli4_params->loopbk_scope = bf_get(loopbk_scope, mbx_sli4_parameters);
9168 sli4_params->cqv = bf_get(cfg_cqv, mbx_sli4_parameters);
9169 sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters);
9170 sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters);
9171 sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters);
0c651878 9172 sli4_params->wqsize = bf_get(cfg_wqsize, mbx_sli4_parameters);
fedd3b7b
JS		 9173 sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt,
9174 mbx_sli4_parameters);
9175 sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align,
9176 mbx_sli4_parameters);
6d368e53
JS		 9177 phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters);
9178 phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters);
0558056c
JS		 9179
9180 /* Make sure that sge_supp_len can be handled by the driver */
9181 if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
9182 sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
9183
fedd3b7b
JS		 9184 return 0;
9185}
9186
da0436e9
JS		 9187/**
9188 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
9189 * @pdev: pointer to PCI device
9190 * @pid: pointer to PCI device identifier
9191 *
9192 * This routine is to be called to attach a device with SLI-3 interface spec
9193 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
9194 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
9195 * information of the device and driver to see if the driver state that it can
9196 * support this kind of device. If the match is successful, the driver core
9197 * invokes this routine. If this routine determines it can claim the HBA, it
9198 * does all the initialization that it needs to do to handle the HBA properly.
9199 *
9200 * Return code
9201 * 0 - driver can claim the device
9202 * negative value - driver can not claim the device
9203 **/
6f039790 9204static int
da0436e9
JS		 9205lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid)
9206{
9207 struct lpfc_hba *phba;
9208 struct lpfc_vport *vport = NULL;
6669f9bb 9209 struct Scsi_Host *shost = NULL;
da0436e9
JS		 9210 int error;
9211 uint32_t cfg_mode, intr_mode;
9212
9213 /* Allocate memory for HBA structure */
9214 phba = lpfc_hba_alloc(pdev);
9215 if (!phba)
9216 return -ENOMEM;
9217
9218 /* Perform generic PCI device enabling operation */
9219 error = lpfc_enable_pci_dev(phba);
079b5c91 9220 if (error)
da0436e9 9221 goto out_free_phba;
da0436e9
JS		 9222
9223 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
9224 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP);
9225 if (error)
9226 goto out_disable_pci_dev;
9227
9228 /* Set up SLI-3 specific device PCI memory space */
9229 error = lpfc_sli_pci_mem_setup(phba);
9230 if (error) {
9231 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9232 "1402 Failed to set up pci memory space.\n");
9233 goto out_disable_pci_dev;
9234 }
9235
9236 /* Set up phase-1 common device driver resources */
9237 error = lpfc_setup_driver_resource_phase1(phba);
9238 if (error) {
9239 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9240 "1403 Failed to set up driver resource.\n");
9241 goto out_unset_pci_mem_s3;
9242 }
9243
9244 /* Set up SLI-3 specific device driver resources */
9245 error = lpfc_sli_driver_resource_setup(phba);
9246 if (error) {
9247 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9248 "1404 Failed to set up driver resource.\n");
9249 goto out_unset_pci_mem_s3;
9250 }
9251
9252 /* Initialize and populate the iocb list per host */
9253 error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT);
9254 if (error) {
9255 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9256 "1405 Failed to initialize iocb list.\n");
9257 goto out_unset_driver_resource_s3;
9258 }
9259
9260 /* Set up common device driver resources */
9261 error = lpfc_setup_driver_resource_phase2(phba);
9262 if (error) {
9263 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9264 "1406 Failed to set up driver resource.\n");
9265 goto out_free_iocb_list;
9266 }
9267
079b5c91
JS		 9268 /* Get the default values for Model Name and Description */
9269 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
9270
da0436e9
JS		 9271 /* Create SCSI host to the physical port */
9272 error = lpfc_create_shost(phba);
9273 if (error) {
9274 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9275 "1407 Failed to create scsi host.\n");
9276 goto out_unset_driver_resource;
9277 }
9278
9279 /* Configure sysfs attributes */
9280 vport = phba->pport;
9281 error = lpfc_alloc_sysfs_attr(vport);
9282 if (error) {
9283 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9284 "1476 Failed to allocate sysfs attr\n");
9285 goto out_destroy_shost;
9286 }
9287
6669f9bb 9288 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
da0436e9
JS		 9289 /* Now, trying to enable interrupt and bring up the device */
9290 cfg_mode = phba->cfg_use_msi;
9291 while (true) {
9292 /* Put device to a known state before enabling interrupt */
9293 lpfc_stop_port(phba);
9294 /* Configure and enable interrupt */
9295 intr_mode = lpfc_sli_enable_intr(phba, cfg_mode);
9296 if (intr_mode == LPFC_INTR_ERROR) {
9297 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9298 "0431 Failed to enable interrupt.\n");
9299 error = -ENODEV;
9300 goto out_free_sysfs_attr;
9301 }
9302 /* SLI-3 HBA setup */
9303 if (lpfc_sli_hba_setup(phba)) {
9304 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9305 "1477 Failed to set up hba\n");
9306 error = -ENODEV;
9307 goto out_remove_device;
9308 }
9309
9310 /* Wait 50ms for the interrupts of previous mailbox commands */
9311 msleep(50);
9312 /* Check active interrupts on message signaled interrupts */
9313 if (intr_mode == 0 ||
9314 phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) {
9315 /* Log the current active interrupt mode */
9316 phba->intr_mode = intr_mode;
9317 lpfc_log_intr_mode(phba, intr_mode);
9318 break;
9319 } else {
9320 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9321 "0447 Configure interrupt mode (%d) "
9322 "failed active interrupt test.\n",
9323 intr_mode);
9324 /* Disable the current interrupt mode */
9325 lpfc_sli_disable_intr(phba);
9326 /* Try next level of interrupt mode */
9327 cfg_mode = --intr_mode;
9328 }
9329 }
9330
9331 /* Perform post initialization setup */
9332 lpfc_post_init_setup(phba);
9333
9334 /* Check if there are static vports to be created. */
9335 lpfc_create_static_vport(phba);
9336
9337 return 0;
9338
9339out_remove_device:
9340 lpfc_unset_hba(phba);
9341out_free_sysfs_attr:
9342 lpfc_free_sysfs_attr(vport);
9343out_destroy_shost:
9344 lpfc_destroy_shost(phba);
9345out_unset_driver_resource:
9346 lpfc_unset_driver_resource_phase2(phba);
9347out_free_iocb_list:
9348 lpfc_free_iocb_list(phba);
9349out_unset_driver_resource_s3:
9350 lpfc_sli_driver_resource_unset(phba);
9351out_unset_pci_mem_s3:
9352 lpfc_sli_pci_mem_unset(phba);
9353out_disable_pci_dev:
9354 lpfc_disable_pci_dev(phba);
6669f9bb
JS		 9355 if (shost)
9356 scsi_host_put(shost);
da0436e9
JS		 9357out_free_phba:
9358 lpfc_hba_free(phba);
9359 return error;
9360}
9361
9362/**
9363 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
9364 * @pdev: pointer to PCI device
9365 *
9366 * This routine is to be called to disattach a device with SLI-3 interface
9367 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
9368 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9369 * device to be removed from the PCI subsystem properly.
9370 **/
6f039790 9371static void
da0436e9
JS		 9372lpfc_pci_remove_one_s3(struct pci_dev *pdev)
9373{
9374 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9375 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
9376 struct lpfc_vport **vports;
9377 struct lpfc_hba *phba = vport->phba;
9378 int i;
9379 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
9380
9381 spin_lock_irq(&phba->hbalock);
9382 vport->load_flag |= FC_UNLOADING;
9383 spin_unlock_irq(&phba->hbalock);
9384
9385 lpfc_free_sysfs_attr(vport);
9386
9387 /* Release all the vports against this physical port */
9388 vports = lpfc_create_vport_work_array(phba);
9389 if (vports != NULL)
587a37f6
JS		 9390 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
9391 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
9392 continue;
da0436e9 9393 fc_vport_terminate(vports[i]->fc_vport);
587a37f6 9394 }
da0436e9
JS		 9395 lpfc_destroy_vport_work_array(phba, vports);
9396
9397 /* Remove FC host and then SCSI host with the physical port */
9398 fc_remove_host(shost);
9399 scsi_remove_host(shost);
9400 lpfc_cleanup(vport);
9401
9402 /*
9403 * Bring down the SLI Layer. This step disable all interrupts,
9404 * clears the rings, discards all mailbox commands, and resets
9405 * the HBA.
9406 */
9407
48e34d0f 9408 /* HBA interrupt will be disabled after this call */
da0436e9
JS		 9409 lpfc_sli_hba_down(phba);
9410 /* Stop kthread signal shall trigger work_done one more time */
9411 kthread_stop(phba->worker_thread);
9412 /* Final cleanup of txcmplq and reset the HBA */
9413 lpfc_sli_brdrestart(phba);
9414
72859909
JS		 9415 kfree(phba->vpi_bmask);
9416 kfree(phba->vpi_ids);
9417
da0436e9
JS		 9418 lpfc_stop_hba_timers(phba);
9419 spin_lock_irq(&phba->hbalock);
9420 list_del_init(&vport->listentry);
9421 spin_unlock_irq(&phba->hbalock);
9422
9423 lpfc_debugfs_terminate(vport);
9424
912e3acd
JS		 9425 /* Disable SR-IOV if enabled */
9426 if (phba->cfg_sriov_nr_virtfn)
9427 pci_disable_sriov(pdev);
9428
da0436e9
JS		 9429 /* Disable interrupt */
9430 lpfc_sli_disable_intr(phba);
9431
9432 pci_set_drvdata(pdev, NULL);
9433 scsi_host_put(shost);
9434
9435 /*
9436 * Call scsi_free before mem_free since scsi bufs are released to their
9437 * corresponding pools here.
9438 */
9439 lpfc_scsi_free(phba);
9440 lpfc_mem_free_all(phba);
9441
9442 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
9443 phba->hbqslimp.virt, phba->hbqslimp.phys);
9444
9445 /* Free resources associated with SLI2 interface */
9446 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
9447 phba->slim2p.virt, phba->slim2p.phys);
9448
9449 /* unmap adapter SLIM and Control Registers */
9450 iounmap(phba->ctrl_regs_memmap_p);
9451 iounmap(phba->slim_memmap_p);
9452
9453 lpfc_hba_free(phba);
9454
9455 pci_release_selected_regions(pdev, bars);
9456 pci_disable_device(pdev);
9457}
9458
9459/**
9460 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
9461 * @pdev: pointer to PCI device
9462 * @msg: power management message
9463 *
9464 * This routine is to be called from the kernel's PCI subsystem to support
9465 * system Power Management (PM) to device with SLI-3 interface spec. When
9466 * PM invokes this method, it quiesces the device by stopping the driver's
9467 * worker thread for the device, turning off device's interrupt and DMA,
9468 * and bring the device offline. Note that as the driver implements the
9469 * minimum PM requirements to a power-aware driver's PM support for the
9470 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9471 * to the suspend() method call will be treated as SUSPEND and the driver will
9472 * fully reinitialize its device during resume() method call, the driver will
9473 * set device to PCI_D3hot state in PCI config space instead of setting it
9474 * according to the @msg provided by the PM.
9475 *
9476 * Return code
9477 * 0 - driver suspended the device
9478 * Error otherwise
9479 **/
9480static int
9481lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg)
9482{
9483 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9484 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9485
9486 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9487 "0473 PCI device Power Management suspend.\n");
9488
9489 /* Bring down the device */
618a5230 9490 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
da0436e9
JS		 9491 lpfc_offline(phba);
9492 kthread_stop(phba->worker_thread);
9493
9494 /* Disable interrupt from device */
9495 lpfc_sli_disable_intr(phba);
9496
9497 /* Save device state to PCI config space */
9498 pci_save_state(pdev);
9499 pci_set_power_state(pdev, PCI_D3hot);
9500
9501 return 0;
9502}
9503
9504/**
9505 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
9506 * @pdev: pointer to PCI device
9507 *
9508 * This routine is to be called from the kernel's PCI subsystem to support
9509 * system Power Management (PM) to device with SLI-3 interface spec. When PM
9510 * invokes this method, it restores the device's PCI config space state and
9511 * fully reinitializes the device and brings it online. Note that as the
9512 * driver implements the minimum PM requirements to a power-aware driver's
9513 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
9514 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
9515 * driver will fully reinitialize its device during resume() method call,
9516 * the device will be set to PCI_D0 directly in PCI config space before
9517 * restoring the state.
9518 *
9519 * Return code
9520 * 0 - driver suspended the device
9521 * Error otherwise
9522 **/
9523static int
9524lpfc_pci_resume_one_s3(struct pci_dev *pdev)
9525{
9526 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9527 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9528 uint32_t intr_mode;
9529 int error;
9530
9531 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9532 "0452 PCI device Power Management resume.\n");
9533
9534 /* Restore device state from PCI config space */
9535 pci_set_power_state(pdev, PCI_D0);
9536 pci_restore_state(pdev);
0d878419 9537
1dfb5a47
JS		 9538 /*
9539 * As the new kernel behavior of pci_restore_state() API call clears
9540 * device saved_state flag, need to save the restored state again.
9541 */
9542 pci_save_state(pdev);
9543
da0436e9
JS		 9544 if (pdev->is_busmaster)
9545 pci_set_master(pdev);
9546
9547 /* Startup the kernel thread for this host adapter. */
9548 phba->worker_thread = kthread_run(lpfc_do_work, phba,
9549 "lpfc_worker_%d", phba->brd_no);
9550 if (IS_ERR(phba->worker_thread)) {
9551 error = PTR_ERR(phba->worker_thread);
9552 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9553 "0434 PM resume failed to start worker "
9554 "thread: error=x%x.\n", error);
9555 return error;
9556 }
9557
9558 /* Configure and enable interrupt */
9559 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
9560 if (intr_mode == LPFC_INTR_ERROR) {
9561 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9562 "0430 PM resume Failed to enable interrupt\n");
9563 return -EIO;
9564 } else
9565 phba->intr_mode = intr_mode;
9566
9567 /* Restart HBA and bring it online */
9568 lpfc_sli_brdrestart(phba);
9569 lpfc_online(phba);
9570
9571 /* Log the current active interrupt mode */
9572 lpfc_log_intr_mode(phba, phba->intr_mode);
9573
9574 return 0;
9575}
9576
891478a2
JS		 9577/**
9578 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
9579 * @phba: pointer to lpfc hba data structure.
9580 *
9581 * This routine is called to prepare the SLI3 device for PCI slot recover. It
e2af0d2e 9582 * aborts all the outstanding SCSI I/Os to the pci device.
891478a2
JS		 9583 **/
9584static void
9585lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba)
9586{
e2af0d2e
JS		 9587 struct lpfc_sli *psli = &phba->sli;
9588 struct lpfc_sli_ring *pring;
9589
891478a2
JS		 9590 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9591 "2723 PCI channel I/O abort preparing for recovery\n");
e2af0d2e
JS		 9592
9593 /*
9594 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9595 * and let the SCSI mid-layer to retry them to recover.
9596 */
9597 pring = &psli->ring[psli->fcp_ring];
9598 lpfc_sli_abort_iocb_ring(phba, pring);
891478a2
JS		 9599}
9600
0d878419
JS		 9601/**
9602 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
9603 * @phba: pointer to lpfc hba data structure.
9604 *
9605 * This routine is called to prepare the SLI3 device for PCI slot reset. It
9606 * disables the device interrupt and pci device, and aborts the internal FCP
9607 * pending I/Os.
9608 **/
9609static void
9610lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba)
9611{
0d878419 9612 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
891478a2 9613 "2710 PCI channel disable preparing for reset\n");
e2af0d2e 9614
75baf696 9615 /* Block any management I/Os to the device */
618a5230 9616 lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
75baf696 9617
e2af0d2e
JS		 9618 /* Block all SCSI devices' I/Os on the host */
9619 lpfc_scsi_dev_block(phba);
9620
ea714f3d
JS		 9621 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9622 lpfc_sli_flush_fcp_rings(phba);
9623
e2af0d2e
JS		 9624 /* stop all timers */
9625 lpfc_stop_hba_timers(phba);
9626
0d878419
JS		 9627 /* Disable interrupt and pci device */
9628 lpfc_sli_disable_intr(phba);
9629 pci_disable_device(phba->pcidev);
0d878419
JS		 9630}
9631
9632/**
9633 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
9634 * @phba: pointer to lpfc hba data structure.
9635 *
9636 * This routine is called to prepare the SLI3 device for PCI slot permanently
9637 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9638 * pending I/Os.
9639 **/
9640static void
75baf696 9641lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba)
0d878419
JS		 9642{
9643 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
891478a2 9644 "2711 PCI channel permanent disable for failure\n");
e2af0d2e
JS		 9645 /* Block all SCSI devices' I/Os on the host */
9646 lpfc_scsi_dev_block(phba);
9647
9648 /* stop all timers */
9649 lpfc_stop_hba_timers(phba);
9650
0d878419
JS		 9651 /* Clean up all driver's outstanding SCSI I/Os */
9652 lpfc_sli_flush_fcp_rings(phba);
9653}
9654
da0436e9
JS		 9655/**
9656 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
9657 * @pdev: pointer to PCI device.
9658 * @state: the current PCI connection state.
9659 *
9660 * This routine is called from the PCI subsystem for I/O error handling to
9661 * device with SLI-3 interface spec. This function is called by the PCI
9662 * subsystem after a PCI bus error affecting this device has been detected.
9663 * When this function is invoked, it will need to stop all the I/Os and
9664 * interrupt(s) to the device. Once that is done, it will return
9665 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
9666 * as desired.
9667 *
9668 * Return codes
0d878419 9669 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
da0436e9
JS		 9670 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9671 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9672 **/
9673static pci_ers_result_t
9674lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state)
9675{
9676 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9677 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
da0436e9 9678
0d878419
JS		 9679 switch (state) {
9680 case pci_channel_io_normal:
891478a2
JS		 9681 /* Non-fatal error, prepare for recovery */
9682 lpfc_sli_prep_dev_for_recover(phba);
0d878419
JS		 9683 return PCI_ERS_RESULT_CAN_RECOVER;
9684 case pci_channel_io_frozen:
9685 /* Fatal error, prepare for slot reset */
9686 lpfc_sli_prep_dev_for_reset(phba);
9687 return PCI_ERS_RESULT_NEED_RESET;
9688 case pci_channel_io_perm_failure:
9689 /* Permanent failure, prepare for device down */
75baf696 9690 lpfc_sli_prep_dev_for_perm_failure(phba);
da0436e9 9691 return PCI_ERS_RESULT_DISCONNECT;
0d878419
JS		 9692 default:
9693 /* Unknown state, prepare and request slot reset */
9694 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9695 "0472 Unknown PCI error state: x%x\n", state);
9696 lpfc_sli_prep_dev_for_reset(phba);
9697 return PCI_ERS_RESULT_NEED_RESET;
da0436e9 9698 }
da0436e9
JS		 9699}
9700
9701/**
9702 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
9703 * @pdev: pointer to PCI device.
9704 *
9705 * This routine is called from the PCI subsystem for error handling to
9706 * device with SLI-3 interface spec. This is called after PCI bus has been
9707 * reset to restart the PCI card from scratch, as if from a cold-boot.
9708 * During the PCI subsystem error recovery, after driver returns
9709 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
9710 * recovery and then call this routine before calling the .resume method
9711 * to recover the device. This function will initialize the HBA device,
9712 * enable the interrupt, but it will just put the HBA to offline state
9713 * without passing any I/O traffic.
9714 *
9715 * Return codes
9716 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9717 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9718 */
9719static pci_ers_result_t
9720lpfc_io_slot_reset_s3(struct pci_dev *pdev)
9721{
9722 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9723 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9724 struct lpfc_sli *psli = &phba->sli;
9725 uint32_t intr_mode;
9726
9727 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
9728 if (pci_enable_device_mem(pdev)) {
9729 printk(KERN_ERR "lpfc: Cannot re-enable "
9730 "PCI device after reset.\n");
9731 return PCI_ERS_RESULT_DISCONNECT;
9732 }
9733
9734 pci_restore_state(pdev);
1dfb5a47
JS		 9735
9736 /*
9737 * As the new kernel behavior of pci_restore_state() API call clears
9738 * device saved_state flag, need to save the restored state again.
9739 */
9740 pci_save_state(pdev);
9741
da0436e9
JS		 9742 if (pdev->is_busmaster)
9743 pci_set_master(pdev);
9744
9745 spin_lock_irq(&phba->hbalock);
9746 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
9747 spin_unlock_irq(&phba->hbalock);
9748
9749 /* Configure and enable interrupt */
9750 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
9751 if (intr_mode == LPFC_INTR_ERROR) {
9752 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9753 "0427 Cannot re-enable interrupt after "
9754 "slot reset.\n");
9755 return PCI_ERS_RESULT_DISCONNECT;
9756 } else
9757 phba->intr_mode = intr_mode;
9758
75baf696 9759 /* Take device offline, it will perform cleanup */
618a5230 9760 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
da0436e9
JS		 9761 lpfc_offline(phba);
9762 lpfc_sli_brdrestart(phba);
9763
9764 /* Log the current active interrupt mode */
9765 lpfc_log_intr_mode(phba, phba->intr_mode);
9766
9767 return PCI_ERS_RESULT_RECOVERED;
9768}
9769
9770/**
9771 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
9772 * @pdev: pointer to PCI device
9773 *
9774 * This routine is called from the PCI subsystem for error handling to device
9775 * with SLI-3 interface spec. It is called when kernel error recovery tells
9776 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
9777 * error recovery. After this call, traffic can start to flow from this device
9778 * again.
9779 */
9780static void
9781lpfc_io_resume_s3(struct pci_dev *pdev)
9782{
9783 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9784 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3772a991 9785
e2af0d2e 9786 /* Bring device online, it will be no-op for non-fatal error resume */
da0436e9 9787 lpfc_online(phba);
0d878419
JS		 9788
9789 /* Clean up Advanced Error Reporting (AER) if needed */
9790 if (phba->hba_flag & HBA_AER_ENABLED)
9791 pci_cleanup_aer_uncorrect_error_status(pdev);
da0436e9 9792}
3772a991 9793
da0436e9
JS		 9794/**
9795 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
9796 * @phba: pointer to lpfc hba data structure.
9797 *
9798 * returns the number of ELS/CT IOCBs to reserve
9799 **/
9800int
9801lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba)
9802{
9803 int max_xri = phba->sli4_hba.max_cfg_param.max_xri;
9804
f1126688
JS		 9805 if (phba->sli_rev == LPFC_SLI_REV4) {
9806 if (max_xri <= 100)
6a9c52cf 9807 return 10;
f1126688 9808 else if (max_xri <= 256)
6a9c52cf 9809 return 25;
f1126688 9810 else if (max_xri <= 512)
6a9c52cf 9811 return 50;
f1126688 9812 else if (max_xri <= 1024)
6a9c52cf 9813 return 100;
8a9d2e80 9814 else if (max_xri <= 1536)
6a9c52cf 9815 return 150;
8a9d2e80
JS		 9816 else if (max_xri <= 2048)
9817 return 200;
9818 else
9819 return 250;
f1126688
JS		 9820 } else
9821 return 0;
3772a991
JS		 9822}
9823
52d52440
JS		 9824/**
9825 * lpfc_write_firmware - attempt to write a firmware image to the port
52d52440 9826 * @fw: pointer to firmware image returned from request_firmware.
ce396282 9827 * @phba: pointer to lpfc hba data structure.
52d52440 9828 *
52d52440 9829 **/
ce396282
JS		 9830static void
9831lpfc_write_firmware(const struct firmware *fw, void *context)
52d52440 9832{
ce396282 9833 struct lpfc_hba *phba = (struct lpfc_hba *)context;
6b5151fd 9834 char fwrev[FW_REV_STR_SIZE];
ce396282 9835 struct lpfc_grp_hdr *image;
52d52440
JS		 9836 struct list_head dma_buffer_list;
9837 int i, rc = 0;
9838 struct lpfc_dmabuf *dmabuf, *next;
9839 uint32_t offset = 0, temp_offset = 0;
9840
c71ab861 9841 /* It can be null in no-wait mode, sanity check */
ce396282
JS		 9842 if (!fw) {
9843 rc = -ENXIO;
9844 goto out;
9845 }
9846 image = (struct lpfc_grp_hdr *)fw->data;
9847
52d52440 9848 INIT_LIST_HEAD(&dma_buffer_list);
079b5c91
JS		 9849 if ((be32_to_cpu(image->magic_number) != LPFC_GROUP_OJECT_MAGIC_NUM) ||
9850 (bf_get_be32(lpfc_grp_hdr_file_type, image) !=
9851 LPFC_FILE_TYPE_GROUP) ||
9852 (bf_get_be32(lpfc_grp_hdr_id, image) != LPFC_FILE_ID_GROUP) ||
9853 (be32_to_cpu(image->size) != fw->size)) {
52d52440
JS		 9854 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9855 "3022 Invalid FW image found. "
079b5c91
JS		 9856 "Magic:%x Type:%x ID:%x\n",
9857 be32_to_cpu(image->magic_number),
9858 bf_get_be32(lpfc_grp_hdr_file_type, image),
9859 bf_get_be32(lpfc_grp_hdr_id, image));
ce396282
JS		 9860 rc = -EINVAL;
9861 goto release_out;
52d52440
JS		 9862 }
9863 lpfc_decode_firmware_rev(phba, fwrev, 1);
88a2cfbb 9864 if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) {
52d52440 9865 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
ce396282 9866 "3023 Updating Firmware, Current Version:%s "
52d52440 9867 "New Version:%s\n",
88a2cfbb 9868 fwrev, image->revision);
52d52440
JS		 9869 for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) {
9870 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf),
9871 GFP_KERNEL);
9872 if (!dmabuf) {
9873 rc = -ENOMEM;
ce396282 9874 goto release_out;
52d52440
JS		 9875 }
9876 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
9877 SLI4_PAGE_SIZE,
9878 &dmabuf->phys,
9879 GFP_KERNEL);
9880 if (!dmabuf->virt) {
9881 kfree(dmabuf);
9882 rc = -ENOMEM;
ce396282 9883 goto release_out;
52d52440
JS		 9884 }
9885 list_add_tail(&dmabuf->list, &dma_buffer_list);
9886 }
9887 while (offset < fw->size) {
9888 temp_offset = offset;
9889 list_for_each_entry(dmabuf, &dma_buffer_list, list) {
079b5c91 9890 if (temp_offset + SLI4_PAGE_SIZE > fw->size) {
52d52440
JS		 9891 memcpy(dmabuf->virt,
9892 fw->data + temp_offset,
079b5c91
JS		 9893 fw->size - temp_offset);
9894 temp_offset = fw->size;
52d52440
JS		 9895 break;
9896 }
52d52440
JS		 9897 memcpy(dmabuf->virt, fw->data + temp_offset,
9898 SLI4_PAGE_SIZE);
88a2cfbb 9899 temp_offset += SLI4_PAGE_SIZE;
52d52440
JS		 9900 }
9901 rc = lpfc_wr_object(phba, &dma_buffer_list,
9902 (fw->size - offset), &offset);
ce396282
JS		 9903 if (rc)
9904 goto release_out;
52d52440
JS		 9905 }
9906 rc = offset;
9907 }
ce396282
JS		 9908
9909release_out:
52d52440
JS		 9910 list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) {
9911 list_del(&dmabuf->list);
9912 dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
9913 dmabuf->virt, dmabuf->phys);
9914 kfree(dmabuf);
9915 }
ce396282
JS		 9916 release_firmware(fw);
9917out:
9918 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
c71ab861 9919 "3024 Firmware update done: %d.\n", rc);
ce396282 9920 return;
52d52440
JS		 9921}
9922
c71ab861
JS		 9923/**
9924 * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade
9925 * @phba: pointer to lpfc hba data structure.
9926 *
9927 * This routine is called to perform Linux generic firmware upgrade on device
9928 * that supports such feature.
9929 **/
9930int
9931lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade)
9932{
9933 uint8_t file_name[ELX_MODEL_NAME_SIZE];
9934 int ret;
9935 const struct firmware *fw;
9936
9937 /* Only supported on SLI4 interface type 2 for now */
9938 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
9939 LPFC_SLI_INTF_IF_TYPE_2)
9940 return -EPERM;
9941
9942 snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp", phba->ModelName);
9943
9944 if (fw_upgrade == INT_FW_UPGRADE) {
9945 ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
9946 file_name, &phba->pcidev->dev,
9947 GFP_KERNEL, (void *)phba,
9948 lpfc_write_firmware);
9949 } else if (fw_upgrade == RUN_FW_UPGRADE) {
9950 ret = request_firmware(&fw, file_name, &phba->pcidev->dev);
9951 if (!ret)
9952 lpfc_write_firmware(fw, (void *)phba);
9953 } else {
9954 ret = -EINVAL;
9955 }
9956
9957 return ret;
9958}
9959
3772a991 9960/**
da0436e9 9961 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
3772a991
JS		 9962 * @pdev: pointer to PCI device
9963 * @pid: pointer to PCI device identifier
9964 *
da0436e9
JS		 9965 * This routine is called from the kernel's PCI subsystem to device with
9966 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
3772a991 9967 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
da0436e9
JS		 9968 * information of the device and driver to see if the driver state that it
9969 * can support this kind of device. If the match is successful, the driver
9970 * core invokes this routine. If this routine determines it can claim the HBA,
9971 * it does all the initialization that it needs to do to handle the HBA
9972 * properly.
3772a991
JS		 9973 *
9974 * Return code
9975 * 0 - driver can claim the device
9976 * negative value - driver can not claim the device
9977 **/
6f039790 9978static int
da0436e9 9979lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
3772a991
JS		 9980{
9981 struct lpfc_hba *phba;
9982 struct lpfc_vport *vport = NULL;
6669f9bb 9983 struct Scsi_Host *shost = NULL;
ce396282 9984 int error, ret;
3772a991 9985 uint32_t cfg_mode, intr_mode;
67d12733 9986 int adjusted_fcp_io_channel;
3772a991
JS		 9987
9988 /* Allocate memory for HBA structure */
9989 phba = lpfc_hba_alloc(pdev);
9990 if (!phba)
9991 return -ENOMEM;
9992
9993 /* Perform generic PCI device enabling operation */
9994 error = lpfc_enable_pci_dev(phba);
079b5c91 9995 if (error)
3772a991 9996 goto out_free_phba;
3772a991 9997
da0436e9
JS		 9998 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
9999 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC);
3772a991
JS		 10000 if (error)
10001 goto out_disable_pci_dev;
10002
da0436e9
JS		 10003 /* Set up SLI-4 specific device PCI memory space */
10004 error = lpfc_sli4_pci_mem_setup(phba);
3772a991
JS		 10005 if (error) {
10006 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10007 "1410 Failed to set up pci memory space.\n");
3772a991
JS		 10008 goto out_disable_pci_dev;
10009 }
10010
10011 /* Set up phase-1 common device driver resources */
10012 error = lpfc_setup_driver_resource_phase1(phba);
10013 if (error) {
10014 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 10015 "1411 Failed to set up driver resource.\n");
10016 goto out_unset_pci_mem_s4;
3772a991
JS		 10017 }
10018
da0436e9
JS		 10019 /* Set up SLI-4 Specific device driver resources */
10020 error = lpfc_sli4_driver_resource_setup(phba);
3772a991
JS		 10021 if (error) {
10022 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 10023 "1412 Failed to set up driver resource.\n");
10024 goto out_unset_pci_mem_s4;
3772a991
JS		 10025 }
10026
10027 /* Initialize and populate the iocb list per host */
2a9bf3d0
JS		 10028
10029 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
10030 "2821 initialize iocb list %d.\n",
10031 phba->cfg_iocb_cnt*1024);
10032 error = lpfc_init_iocb_list(phba, phba->cfg_iocb_cnt*1024);
10033
3772a991
JS		 10034 if (error) {
10035 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 10036 "1413 Failed to initialize iocb list.\n");
10037 goto out_unset_driver_resource_s4;
3772a991
JS		 10038 }
10039
19ca7609 10040 INIT_LIST_HEAD(&phba->active_rrq_list);
7d791df7 10041 INIT_LIST_HEAD(&phba->fcf.fcf_pri_list);
19ca7609 10042
3772a991
JS		 10043 /* Set up common device driver resources */
10044 error = lpfc_setup_driver_resource_phase2(phba);
10045 if (error) {
10046 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10047 "1414 Failed to set up driver resource.\n");
3772a991
JS		 10048 goto out_free_iocb_list;
10049 }
10050
079b5c91
JS		 10051 /* Get the default values for Model Name and Description */
10052 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
10053
3772a991
JS		 10054 /* Create SCSI host to the physical port */
10055 error = lpfc_create_shost(phba);
10056 if (error) {
10057 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10058 "1415 Failed to create scsi host.\n");
3772a991
JS		 10059 goto out_unset_driver_resource;
10060 }
9399627f 10061
5b75da2f 10062 /* Configure sysfs attributes */
3772a991
JS		 10063 vport = phba->pport;
10064 error = lpfc_alloc_sysfs_attr(vport);
10065 if (error) {
9399627f 10066 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10067 "1416 Failed to allocate sysfs attr\n");
3772a991 10068 goto out_destroy_shost;
98c9ea5c 10069 }
875fbdfe 10070
6669f9bb 10071 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
3772a991 10072 /* Now, trying to enable interrupt and bring up the device */
5b75da2f 10073 cfg_mode = phba->cfg_use_msi;
5b75da2f 10074
7b15db32
JS		 10075 /* Put device to a known state before enabling interrupt */
10076 lpfc_stop_port(phba);
10077 /* Configure and enable interrupt */
10078 intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode);
10079 if (intr_mode == LPFC_INTR_ERROR) {
10080 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10081 "0426 Failed to enable interrupt.\n");
10082 error = -ENODEV;
10083 goto out_free_sysfs_attr;
10084 }
10085 /* Default to single EQ for non-MSI-X */
10086 if (phba->intr_type != MSIX)
10087 adjusted_fcp_io_channel = 1;
10088 else
10089 adjusted_fcp_io_channel = phba->cfg_fcp_io_channel;
10090 phba->cfg_fcp_io_channel = adjusted_fcp_io_channel;
10091 /* Set up SLI-4 HBA */
10092 if (lpfc_sli4_hba_setup(phba)) {
10093 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10094 "1421 Failed to set up hba\n");
10095 error = -ENODEV;
10096 goto out_disable_intr;
98c9ea5c 10097 }
858c9f6c 10098
7b15db32
JS		 10099 /* Log the current active interrupt mode */
10100 phba->intr_mode = intr_mode;
10101 lpfc_log_intr_mode(phba, intr_mode);
10102
3772a991
JS		 10103 /* Perform post initialization setup */
10104 lpfc_post_init_setup(phba);
dea3101e 10105
c71ab861
JS		 10106 /* check for firmware upgrade or downgrade */
10107 if (phba->cfg_request_firmware_upgrade)
10108 ret = lpfc_sli4_request_firmware_update(phba, INT_FW_UPGRADE);
52d52440 10109
1c6834a7
JS		 10110 /* Check if there are static vports to be created. */
10111 lpfc_create_static_vport(phba);
dea3101e 10112 return 0;
10113
da0436e9
JS		 10114out_disable_intr:
10115 lpfc_sli4_disable_intr(phba);
5b75da2f
JS		 10116out_free_sysfs_attr:
10117 lpfc_free_sysfs_attr(vport);
3772a991
JS		 10118out_destroy_shost:
10119 lpfc_destroy_shost(phba);
10120out_unset_driver_resource:
10121 lpfc_unset_driver_resource_phase2(phba);
10122out_free_iocb_list:
10123 lpfc_free_iocb_list(phba);
da0436e9
JS		 10124out_unset_driver_resource_s4:
10125 lpfc_sli4_driver_resource_unset(phba);
10126out_unset_pci_mem_s4:
10127 lpfc_sli4_pci_mem_unset(phba);
3772a991
JS		 10128out_disable_pci_dev:
10129 lpfc_disable_pci_dev(phba);
6669f9bb
JS		 10130 if (shost)
10131 scsi_host_put(shost);
2e0fef85 10132out_free_phba:
3772a991 10133 lpfc_hba_free(phba);
dea3101e 10134 return error;
10135}
10136
e59058c4 10137/**
da0436e9 10138 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
e59058c4
JS		 10139 * @pdev: pointer to PCI device
10140 *
da0436e9
JS		 10141 * This routine is called from the kernel's PCI subsystem to device with
10142 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
3772a991
JS		 10143 * removed from PCI bus, it performs all the necessary cleanup for the HBA
10144 * device to be removed from the PCI subsystem properly.
e59058c4 10145 **/
6f039790 10146static void
da0436e9 10147lpfc_pci_remove_one_s4(struct pci_dev *pdev)
dea3101e 10148{
da0436e9 10149 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2e0fef85 10150 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
eada272d 10151 struct lpfc_vport **vports;
da0436e9 10152 struct lpfc_hba *phba = vport->phba;
eada272d 10153 int i;
8a4df120 10154
da0436e9 10155 /* Mark the device unloading flag */
549e55cd 10156 spin_lock_irq(&phba->hbalock);
51ef4c26 10157 vport->load_flag |= FC_UNLOADING;
549e55cd 10158 spin_unlock_irq(&phba->hbalock);
2e0fef85 10159
da0436e9 10160 /* Free the HBA sysfs attributes */
858c9f6c
JS		 10161 lpfc_free_sysfs_attr(vport);
10162
eada272d
JS		 10163 /* Release all the vports against this physical port */
10164 vports = lpfc_create_vport_work_array(phba);
10165 if (vports != NULL)
587a37f6
JS		 10166 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
10167 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
10168 continue;
eada272d 10169 fc_vport_terminate(vports[i]->fc_vport);
587a37f6 10170 }
eada272d
JS		 10171 lpfc_destroy_vport_work_array(phba, vports);
10172
10173 /* Remove FC host and then SCSI host with the physical port */
858c9f6c
JS		 10174 fc_remove_host(shost);
10175 scsi_remove_host(shost);
da0436e9
JS		 10176
10177 /* Perform cleanup on the physical port */
87af33fe
JS		 10178 lpfc_cleanup(vport);
10179
2e0fef85 10180 /*
da0436e9 10181 * Bring down the SLI Layer. This step disables all interrupts,
2e0fef85 10182 * clears the rings, discards all mailbox commands, and resets
da0436e9 10183 * the HBA FCoE function.
2e0fef85 10184 */
da0436e9
JS		 10185 lpfc_debugfs_terminate(vport);
10186 lpfc_sli4_hba_unset(phba);
a257bf90 10187
858c9f6c
JS		 10188 spin_lock_irq(&phba->hbalock);
10189 list_del_init(&vport->listentry);
10190 spin_unlock_irq(&phba->hbalock);
10191
3677a3a7 10192 /* Perform scsi free before driver resource_unset since scsi
da0436e9 10193 * buffers are released to their corresponding pools here.
2e0fef85
JS		 10194 */
10195 lpfc_scsi_free(phba);
67d12733 10196
da0436e9 10197 lpfc_sli4_driver_resource_unset(phba);
ed957684 10198
da0436e9
JS		 10199 /* Unmap adapter Control and Doorbell registers */
10200 lpfc_sli4_pci_mem_unset(phba);
2e0fef85 10201
da0436e9
JS		 10202 /* Release PCI resources and disable device's PCI function */
10203 scsi_host_put(shost);
10204 lpfc_disable_pci_dev(phba);
2e0fef85 10205
da0436e9 10206 /* Finally, free the driver's device data structure */
3772a991 10207 lpfc_hba_free(phba);
2e0fef85 10208
da0436e9 10209 return;
dea3101e 10210}
10211
3a55b532 10212/**
da0436e9 10213 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
3a55b532
JS		 10214 * @pdev: pointer to PCI device
10215 * @msg: power management message
10216 *
da0436e9
JS		 10217 * This routine is called from the kernel's PCI subsystem to support system
10218 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
10219 * this method, it quiesces the device by stopping the driver's worker
10220 * thread for the device, turning off device's interrupt and DMA, and bring
10221 * the device offline. Note that as the driver implements the minimum PM
10222 * requirements to a power-aware driver's PM support for suspend/resume -- all
10223 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
10224 * method call will be treated as SUSPEND and the driver will fully
10225 * reinitialize its device during resume() method call, the driver will set
10226 * device to PCI_D3hot state in PCI config space instead of setting it
3772a991 10227 * according to the @msg provided by the PM.
3a55b532
JS		 10228 *
10229 * Return code
3772a991
JS		 10230 * 0 - driver suspended the device
10231 * Error otherwise
3a55b532
JS		 10232 **/
10233static int
da0436e9 10234lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg)
3a55b532
JS		 10235{
10236 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10237 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10238
10239 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
75baf696 10240 "2843 PCI device Power Management suspend.\n");
3a55b532
JS		 10241
10242 /* Bring down the device */
618a5230 10243 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
3a55b532
JS		 10244 lpfc_offline(phba);
10245 kthread_stop(phba->worker_thread);
10246
10247 /* Disable interrupt from device */
da0436e9 10248 lpfc_sli4_disable_intr(phba);
5350d872 10249 lpfc_sli4_queue_destroy(phba);
3a55b532
JS		 10250
10251 /* Save device state to PCI config space */
10252 pci_save_state(pdev);
10253 pci_set_power_state(pdev, PCI_D3hot);
10254
10255 return 0;
10256}
10257
10258/**
da0436e9 10259 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
3a55b532
JS		 10260 * @pdev: pointer to PCI device
10261 *
da0436e9
JS		 10262 * This routine is called from the kernel's PCI subsystem to support system
10263 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
10264 * this method, it restores the device's PCI config space state and fully
10265 * reinitializes the device and brings it online. Note that as the driver
10266 * implements the minimum PM requirements to a power-aware driver's PM for
10267 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
10268 * to the suspend() method call will be treated as SUSPEND and the driver
10269 * will fully reinitialize its device during resume() method call, the device
10270 * will be set to PCI_D0 directly in PCI config space before restoring the
10271 * state.
3a55b532
JS		 10272 *
10273 * Return code
3772a991
JS		 10274 * 0 - driver suspended the device
10275 * Error otherwise
3a55b532
JS		 10276 **/
10277static int
da0436e9 10278lpfc_pci_resume_one_s4(struct pci_dev *pdev)
3a55b532
JS		 10279{
10280 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10281 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
5b75da2f 10282 uint32_t intr_mode;
3a55b532
JS		 10283 int error;
10284
10285 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
da0436e9 10286 "0292 PCI device Power Management resume.\n");
3a55b532
JS		 10287
10288 /* Restore device state from PCI config space */
10289 pci_set_power_state(pdev, PCI_D0);
10290 pci_restore_state(pdev);
1dfb5a47
JS		 10291
10292 /*
10293 * As the new kernel behavior of pci_restore_state() API call clears
10294 * device saved_state flag, need to save the restored state again.
10295 */
10296 pci_save_state(pdev);
10297
3a55b532
JS		 10298 if (pdev->is_busmaster)
10299 pci_set_master(pdev);
10300
da0436e9 10301 /* Startup the kernel thread for this host adapter. */
3a55b532
JS		 10302 phba->worker_thread = kthread_run(lpfc_do_work, phba,
10303 "lpfc_worker_%d", phba->brd_no);
10304 if (IS_ERR(phba->worker_thread)) {
10305 error = PTR_ERR(phba->worker_thread);
10306 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10307 "0293 PM resume failed to start worker "
3a55b532
JS		 10308 "thread: error=x%x.\n", error);
10309 return error;
10310 }
10311
5b75da2f 10312 /* Configure and enable interrupt */
da0436e9 10313 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
5b75da2f 10314 if (intr_mode == LPFC_INTR_ERROR) {
3a55b532 10315 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10316 "0294 PM resume Failed to enable interrupt\n");
5b75da2f
JS		 10317 return -EIO;
10318 } else
10319 phba->intr_mode = intr_mode;
3a55b532
JS		 10320
10321 /* Restart HBA and bring it online */
10322 lpfc_sli_brdrestart(phba);
10323 lpfc_online(phba);
10324
5b75da2f
JS		 10325 /* Log the current active interrupt mode */
10326 lpfc_log_intr_mode(phba, phba->intr_mode);
10327
3a55b532
JS		 10328 return 0;
10329}
10330
75baf696
JS		 10331/**
10332 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
10333 * @phba: pointer to lpfc hba data structure.
10334 *
10335 * This routine is called to prepare the SLI4 device for PCI slot recover. It
10336 * aborts all the outstanding SCSI I/Os to the pci device.
10337 **/
10338static void
10339lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba)
10340{
10341 struct lpfc_sli *psli = &phba->sli;
10342 struct lpfc_sli_ring *pring;
10343
10344 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10345 "2828 PCI channel I/O abort preparing for recovery\n");
10346 /*
10347 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
10348 * and let the SCSI mid-layer to retry them to recover.
10349 */
10350 pring = &psli->ring[psli->fcp_ring];
10351 lpfc_sli_abort_iocb_ring(phba, pring);
10352}
10353
10354/**
10355 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
10356 * @phba: pointer to lpfc hba data structure.
10357 *
10358 * This routine is called to prepare the SLI4 device for PCI slot reset. It
10359 * disables the device interrupt and pci device, and aborts the internal FCP
10360 * pending I/Os.
10361 **/
10362static void
10363lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba)
10364{
10365 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10366 "2826 PCI channel disable preparing for reset\n");
10367
10368 /* Block any management I/Os to the device */
618a5230 10369 lpfc_block_mgmt_io(phba, LPFC_MBX_NO_WAIT);
75baf696
JS		 10370
10371 /* Block all SCSI devices' I/Os on the host */
10372 lpfc_scsi_dev_block(phba);
10373
ea714f3d
JS		 10374 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
10375 lpfc_sli_flush_fcp_rings(phba);
10376
75baf696
JS		 10377 /* stop all timers */
10378 lpfc_stop_hba_timers(phba);
10379
10380 /* Disable interrupt and pci device */
10381 lpfc_sli4_disable_intr(phba);
5350d872 10382 lpfc_sli4_queue_destroy(phba);
75baf696 10383 pci_disable_device(phba->pcidev);
75baf696
JS		 10384}
10385
10386/**
10387 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
10388 * @phba: pointer to lpfc hba data structure.
10389 *
10390 * This routine is called to prepare the SLI4 device for PCI slot permanently
10391 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
10392 * pending I/Os.
10393 **/
10394static void
10395lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba)
10396{
10397 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10398 "2827 PCI channel permanent disable for failure\n");
10399
10400 /* Block all SCSI devices' I/Os on the host */
10401 lpfc_scsi_dev_block(phba);
10402
10403 /* stop all timers */
10404 lpfc_stop_hba_timers(phba);
10405
10406 /* Clean up all driver's outstanding SCSI I/Os */
10407 lpfc_sli_flush_fcp_rings(phba);
10408}
10409
8d63f375 10410/**
da0436e9 10411 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
e59058c4
JS		 10412 * @pdev: pointer to PCI device.
10413 * @state: the current PCI connection state.
8d63f375 10414 *
da0436e9
JS		 10415 * This routine is called from the PCI subsystem for error handling to device
10416 * with SLI-4 interface spec. This function is called by the PCI subsystem
10417 * after a PCI bus error affecting this device has been detected. When this
10418 * function is invoked, it will need to stop all the I/Os and interrupt(s)
10419 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
10420 * for the PCI subsystem to perform proper recovery as desired.
e59058c4
JS		 10421 *
10422 * Return codes
3772a991
JS		 10423 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10424 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
e59058c4 10425 **/
3772a991 10426static pci_ers_result_t
da0436e9 10427lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state)
8d63f375 10428{
75baf696
JS		 10429 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10430 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10431
10432 switch (state) {
10433 case pci_channel_io_normal:
10434 /* Non-fatal error, prepare for recovery */
10435 lpfc_sli4_prep_dev_for_recover(phba);
10436 return PCI_ERS_RESULT_CAN_RECOVER;
10437 case pci_channel_io_frozen:
10438 /* Fatal error, prepare for slot reset */
10439 lpfc_sli4_prep_dev_for_reset(phba);
10440 return PCI_ERS_RESULT_NEED_RESET;
10441 case pci_channel_io_perm_failure:
10442 /* Permanent failure, prepare for device down */
10443 lpfc_sli4_prep_dev_for_perm_failure(phba);
10444 return PCI_ERS_RESULT_DISCONNECT;
10445 default:
10446 /* Unknown state, prepare and request slot reset */
10447 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10448 "2825 Unknown PCI error state: x%x\n", state);
10449 lpfc_sli4_prep_dev_for_reset(phba);
10450 return PCI_ERS_RESULT_NEED_RESET;
10451 }
8d63f375
LV		 10452}
10453
10454/**
da0436e9 10455 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
e59058c4
JS		 10456 * @pdev: pointer to PCI device.
10457 *
da0436e9
JS		 10458 * This routine is called from the PCI subsystem for error handling to device
10459 * with SLI-4 interface spec. It is called after PCI bus has been reset to
10460 * restart the PCI card from scratch, as if from a cold-boot. During the
10461 * PCI subsystem error recovery, after the driver returns
3772a991 10462 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
da0436e9
JS		 10463 * recovery and then call this routine before calling the .resume method to
10464 * recover the device. This function will initialize the HBA device, enable
10465 * the interrupt, but it will just put the HBA to offline state without
10466 * passing any I/O traffic.
8d63f375 10467 *
e59058c4 10468 * Return codes
3772a991
JS		 10469 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10470 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
8d63f375 10471 */
3772a991 10472static pci_ers_result_t
da0436e9 10473lpfc_io_slot_reset_s4(struct pci_dev *pdev)
8d63f375 10474{
75baf696
JS		 10475 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10476 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10477 struct lpfc_sli *psli = &phba->sli;
10478 uint32_t intr_mode;
10479
10480 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
10481 if (pci_enable_device_mem(pdev)) {
10482 printk(KERN_ERR "lpfc: Cannot re-enable "
10483 "PCI device after reset.\n");
10484 return PCI_ERS_RESULT_DISCONNECT;
10485 }
10486
10487 pci_restore_state(pdev);
0a96e975
JS		 10488
10489 /*
10490 * As the new kernel behavior of pci_restore_state() API call clears
10491 * device saved_state flag, need to save the restored state again.
10492 */
10493 pci_save_state(pdev);
10494
75baf696
JS		 10495 if (pdev->is_busmaster)
10496 pci_set_master(pdev);
10497
10498 spin_lock_irq(&phba->hbalock);
10499 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
10500 spin_unlock_irq(&phba->hbalock);
10501
10502 /* Configure and enable interrupt */
10503 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
10504 if (intr_mode == LPFC_INTR_ERROR) {
10505 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10506 "2824 Cannot re-enable interrupt after "
10507 "slot reset.\n");
10508 return PCI_ERS_RESULT_DISCONNECT;
10509 } else
10510 phba->intr_mode = intr_mode;
10511
10512 /* Log the current active interrupt mode */
10513 lpfc_log_intr_mode(phba, phba->intr_mode);
10514
8d63f375
LV		 10515 return PCI_ERS_RESULT_RECOVERED;
10516}
10517
10518/**
da0436e9 10519 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
e59058c4 10520 * @pdev: pointer to PCI device
8d63f375 10521 *
3772a991 10522 * This routine is called from the PCI subsystem for error handling to device
da0436e9 10523 * with SLI-4 interface spec. It is called when kernel error recovery tells
3772a991
JS		 10524 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
10525 * error recovery. After this call, traffic can start to flow from this device
10526 * again.
da0436e9 10527 **/
3772a991 10528static void
da0436e9 10529lpfc_io_resume_s4(struct pci_dev *pdev)
8d63f375 10530{
75baf696
JS		 10531 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10532 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10533
10534 /*
10535 * In case of slot reset, as function reset is performed through
10536 * mailbox command which needs DMA to be enabled, this operation
10537 * has to be moved to the io resume phase. Taking device offline
10538 * will perform the necessary cleanup.
10539 */
10540 if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) {
10541 /* Perform device reset */
618a5230 10542 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
75baf696
JS		 10543 lpfc_offline(phba);
10544 lpfc_sli_brdrestart(phba);
10545 /* Bring the device back online */
10546 lpfc_online(phba);
10547 }
10548
10549 /* Clean up Advanced Error Reporting (AER) if needed */
10550 if (phba->hba_flag & HBA_AER_ENABLED)
10551 pci_cleanup_aer_uncorrect_error_status(pdev);
8d63f375
LV		 10552}
10553
3772a991
JS		 10554/**
10555 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
10556 * @pdev: pointer to PCI device
10557 * @pid: pointer to PCI device identifier
10558 *
10559 * This routine is to be registered to the kernel's PCI subsystem. When an
10560 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
10561 * at PCI device-specific information of the device and driver to see if the
10562 * driver state that it can support this kind of device. If the match is
10563 * successful, the driver core invokes this routine. This routine dispatches
10564 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
10565 * do all the initialization that it needs to do to handle the HBA device
10566 * properly.
10567 *
10568 * Return code
10569 * 0 - driver can claim the device
10570 * negative value - driver can not claim the device
10571 **/
6f039790 10572static int
3772a991
JS		 10573lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
10574{
10575 int rc;
8fa38513 10576 struct lpfc_sli_intf intf;
3772a991 10577
28baac74 10578 if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0))
3772a991
JS		 10579 return -ENODEV;
10580
8fa38513 10581 if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) &&
28baac74 10582 (bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4))
da0436e9 10583 rc = lpfc_pci_probe_one_s4(pdev, pid);
8fa38513 10584 else
3772a991 10585 rc = lpfc_pci_probe_one_s3(pdev, pid);
8fa38513 10586
3772a991
JS		 10587 return rc;
10588}
10589
10590/**
10591 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
10592 * @pdev: pointer to PCI device
10593 *
10594 * This routine is to be registered to the kernel's PCI subsystem. When an
10595 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
10596 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
10597 * remove routine, which will perform all the necessary cleanup for the
10598 * device to be removed from the PCI subsystem properly.
10599 **/
6f039790 10600static void
3772a991
JS		 10601lpfc_pci_remove_one(struct pci_dev *pdev)
10602{
10603 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10604 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10605
10606 switch (phba->pci_dev_grp) {
10607 case LPFC_PCI_DEV_LP:
10608 lpfc_pci_remove_one_s3(pdev);
10609 break;
da0436e9
JS		 10610 case LPFC_PCI_DEV_OC:
10611 lpfc_pci_remove_one_s4(pdev);
10612 break;
3772a991
JS		 10613 default:
10614 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10615 "1424 Invalid PCI device group: 0x%x\n",
10616 phba->pci_dev_grp);
10617 break;
10618 }
10619 return;
10620}
10621
10622/**
10623 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
10624 * @pdev: pointer to PCI device
10625 * @msg: power management message
10626 *
10627 * This routine is to be registered to the kernel's PCI subsystem to support
10628 * system Power Management (PM). When PM invokes this method, it dispatches
10629 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
10630 * suspend the device.
10631 *
10632 * Return code
10633 * 0 - driver suspended the device
10634 * Error otherwise
10635 **/
10636static int
10637lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg)
10638{
10639 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10640 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10641 int rc = -ENODEV;
10642
10643 switch (phba->pci_dev_grp) {
10644 case LPFC_PCI_DEV_LP:
10645 rc = lpfc_pci_suspend_one_s3(pdev, msg);
10646 break;
da0436e9
JS		 10647 case LPFC_PCI_DEV_OC:
10648 rc = lpfc_pci_suspend_one_s4(pdev, msg);
10649 break;
3772a991
JS		 10650 default:
10651 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10652 "1425 Invalid PCI device group: 0x%x\n",
10653 phba->pci_dev_grp);
10654 break;
10655 }
10656 return rc;
10657}
10658
10659/**
10660 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
10661 * @pdev: pointer to PCI device
10662 *
10663 * This routine is to be registered to the kernel's PCI subsystem to support
10664 * system Power Management (PM). When PM invokes this method, it dispatches
10665 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
10666 * resume the device.
10667 *
10668 * Return code
10669 * 0 - driver suspended the device
10670 * Error otherwise
10671 **/
10672static int
10673lpfc_pci_resume_one(struct pci_dev *pdev)
10674{
10675 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10676 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10677 int rc = -ENODEV;
10678
10679 switch (phba->pci_dev_grp) {
10680 case LPFC_PCI_DEV_LP:
10681 rc = lpfc_pci_resume_one_s3(pdev);
10682 break;
da0436e9
JS		 10683 case LPFC_PCI_DEV_OC:
10684 rc = lpfc_pci_resume_one_s4(pdev);
10685 break;
3772a991
JS		 10686 default:
10687 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10688 "1426 Invalid PCI device group: 0x%x\n",
10689 phba->pci_dev_grp);
10690 break;
10691 }
10692 return rc;
10693}
10694
10695/**
10696 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
10697 * @pdev: pointer to PCI device.
10698 * @state: the current PCI connection state.
10699 *
10700 * This routine is registered to the PCI subsystem for error handling. This
10701 * function is called by the PCI subsystem after a PCI bus error affecting
10702 * this device has been detected. When this routine is invoked, it dispatches
10703 * the action to the proper SLI-3 or SLI-4 device error detected handling
10704 * routine, which will perform the proper error detected operation.
10705 *
10706 * Return codes
10707 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10708 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10709 **/
10710static pci_ers_result_t
10711lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
10712{
10713 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10714 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10715 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
10716
10717 switch (phba->pci_dev_grp) {
10718 case LPFC_PCI_DEV_LP:
10719 rc = lpfc_io_error_detected_s3(pdev, state);
10720 break;
da0436e9
JS		 10721 case LPFC_PCI_DEV_OC:
10722 rc = lpfc_io_error_detected_s4(pdev, state);
10723 break;
3772a991
JS		 10724 default:
10725 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10726 "1427 Invalid PCI device group: 0x%x\n",
10727 phba->pci_dev_grp);
10728 break;
10729 }
10730 return rc;
10731}
10732
10733/**
10734 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
10735 * @pdev: pointer to PCI device.
10736 *
10737 * This routine is registered to the PCI subsystem for error handling. This
10738 * function is called after PCI bus has been reset to restart the PCI card
10739 * from scratch, as if from a cold-boot. When this routine is invoked, it
10740 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
10741 * routine, which will perform the proper device reset.
10742 *
10743 * Return codes
10744 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10745 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10746 **/
10747static pci_ers_result_t
10748lpfc_io_slot_reset(struct pci_dev *pdev)
10749{
10750 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10751 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10752 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
10753
10754 switch (phba->pci_dev_grp) {
10755 case LPFC_PCI_DEV_LP:
10756 rc = lpfc_io_slot_reset_s3(pdev);
10757 break;
da0436e9
JS		 10758 case LPFC_PCI_DEV_OC:
10759 rc = lpfc_io_slot_reset_s4(pdev);
10760 break;
3772a991
JS		 10761 default:
10762 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10763 "1428 Invalid PCI device group: 0x%x\n",
10764 phba->pci_dev_grp);
10765 break;
10766 }
10767 return rc;
10768}
10769
10770/**
10771 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
10772 * @pdev: pointer to PCI device
10773 *
10774 * This routine is registered to the PCI subsystem for error handling. It
10775 * is called when kernel error recovery tells the lpfc driver that it is
10776 * OK to resume normal PCI operation after PCI bus error recovery. When
10777 * this routine is invoked, it dispatches the action to the proper SLI-3
10778 * or SLI-4 device io_resume routine, which will resume the device operation.
10779 **/
10780static void
10781lpfc_io_resume(struct pci_dev *pdev)
10782{
10783 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10784 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10785
10786 switch (phba->pci_dev_grp) {
10787 case LPFC_PCI_DEV_LP:
10788 lpfc_io_resume_s3(pdev);
10789 break;
da0436e9
JS		 10790 case LPFC_PCI_DEV_OC:
10791 lpfc_io_resume_s4(pdev);
10792 break;
3772a991
JS		 10793 default:
10794 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10795 "1429 Invalid PCI device group: 0x%x\n",
10796 phba->pci_dev_grp);
10797 break;
10798 }
10799 return;
10800}
10801
dea3101e 10802static struct pci_device_id lpfc_id_table[] = {
10803 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
10804 PCI_ANY_ID, PCI_ANY_ID, },
06325e74
JSEC		 10805 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
10806 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10807 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
10808 PCI_ANY_ID, PCI_ANY_ID, },
10809 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
10810 PCI_ANY_ID, PCI_ANY_ID, },
10811 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
10812 PCI_ANY_ID, PCI_ANY_ID, },
10813 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
10814 PCI_ANY_ID, PCI_ANY_ID, },
10815 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
10816 PCI_ANY_ID, PCI_ANY_ID, },
10817 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
10818 PCI_ANY_ID, PCI_ANY_ID, },
10819 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
10820 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10821 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
10822 PCI_ANY_ID, PCI_ANY_ID, },
10823 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
10824 PCI_ANY_ID, PCI_ANY_ID, },
10825 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
10826 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10827 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
10828 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10829 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
10830 PCI_ANY_ID, PCI_ANY_ID, },
10831 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
10832 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10833 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
10834 PCI_ANY_ID, PCI_ANY_ID, },
10835 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
10836 PCI_ANY_ID, PCI_ANY_ID, },
10837 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
10838 PCI_ANY_ID, PCI_ANY_ID, },
84774a4d
JS		 10839 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET,
10840 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10841 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
10842 PCI_ANY_ID, PCI_ANY_ID, },
10843 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
10844 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10845 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
10846 PCI_ANY_ID, PCI_ANY_ID, },
10847 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
10848 PCI_ANY_ID, PCI_ANY_ID, },
10849 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
10850 PCI_ANY_ID, PCI_ANY_ID, },
10851 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
10852 PCI_ANY_ID, PCI_ANY_ID, },
10853 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
10854 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10855 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
10856 PCI_ANY_ID, PCI_ANY_ID, },
10857 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
10858 PCI_ANY_ID, PCI_ANY_ID, },
b87eab38
JS		 10859 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
10860 PCI_ANY_ID, PCI_ANY_ID, },
10861 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
10862 PCI_ANY_ID, PCI_ANY_ID, },
10863 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
10864 PCI_ANY_ID, PCI_ANY_ID, },
10865 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
10866 PCI_ANY_ID, PCI_ANY_ID, },
10867 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
10868 PCI_ANY_ID, PCI_ANY_ID, },
10869 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
10870 PCI_ANY_ID, PCI_ANY_ID, },
84774a4d
JS		 10871 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF,
10872 PCI_ANY_ID, PCI_ANY_ID, },
10873 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF,
10874 PCI_ANY_ID, PCI_ANY_ID, },
10875 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S,
10876 PCI_ANY_ID, PCI_ANY_ID, },
3772a991
JS		 10877 {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TIGERSHARK,
10878 PCI_ANY_ID, PCI_ANY_ID, },
a747c9ce
JS		 10879 {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TOMCAT,
10880 PCI_ANY_ID, PCI_ANY_ID, },
10881 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FALCON,
6669f9bb 10882 PCI_ANY_ID, PCI_ANY_ID, },
98fc5dd9
JS		 10883 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BALIUS,
10884 PCI_ANY_ID, PCI_ANY_ID, },
085c647c
JS		 10885 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC,
10886 PCI_ANY_ID, PCI_ANY_ID, },
10887 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE,
10888 PCI_ANY_ID, PCI_ANY_ID, },
c0c11512
JS		 10889 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC_VF,
10890 PCI_ANY_ID, PCI_ANY_ID, },
10891 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE_VF,
10892 PCI_ANY_ID, PCI_ANY_ID, },
f8cafd38
JS		 10893 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK,
10894 PCI_ANY_ID, PCI_ANY_ID, },
10895 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK_VF,
10896 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10897 { 0 }
10898};
10899
10900MODULE_DEVICE_TABLE(pci, lpfc_id_table);
10901
a55b2d21 10902static const struct pci_error_handlers lpfc_err_handler = {
8d63f375
LV		 10903 .error_detected = lpfc_io_error_detected,
10904 .slot_reset = lpfc_io_slot_reset,
10905 .resume = lpfc_io_resume,
10906};
10907
dea3101e 10908static struct pci_driver lpfc_driver = {
10909 .name = LPFC_DRIVER_NAME,
10910 .id_table = lpfc_id_table,
10911 .probe = lpfc_pci_probe_one,
6f039790 10912 .remove = lpfc_pci_remove_one,
3a55b532 10913 .suspend = lpfc_pci_suspend_one,
3772a991 10914 .resume = lpfc_pci_resume_one,
2e0fef85 10915 .err_handler = &lpfc_err_handler,
dea3101e 10916};
10917
3ef6d24c 10918static const struct file_operations lpfc_mgmt_fop = {
858feacd 10919 .owner = THIS_MODULE,
3ef6d24c
JS		 10920};
10921
10922static struct miscdevice lpfc_mgmt_dev = {
10923 .minor = MISC_DYNAMIC_MINOR,
10924 .name = "lpfcmgmt",
10925 .fops = &lpfc_mgmt_fop,
10926};
10927
e59058c4 10928/**
3621a710 10929 * lpfc_init - lpfc module initialization routine
e59058c4
JS		 10930 *
10931 * This routine is to be invoked when the lpfc module is loaded into the
10932 * kernel. The special kernel macro module_init() is used to indicate the
10933 * role of this routine to the kernel as lpfc module entry point.
10934 *
10935 * Return codes
10936 * 0 - successful
10937 * -ENOMEM - FC attach transport failed
10938 * all others - failed
10939 */
dea3101e 10940static int __init
10941lpfc_init(void)
10942{
7bb03bbf 10943 int cpu;
dea3101e 10944 int error = 0;
10945
10946 printk(LPFC_MODULE_DESC "\n");
c44ce173 10947 printk(LPFC_COPYRIGHT "\n");
dea3101e 10948
3ef6d24c
JS		 10949 error = misc_register(&lpfc_mgmt_dev);
10950 if (error)
10951 printk(KERN_ERR "Could not register lpfcmgmt device, "
10952 "misc_register returned with status %d", error);
10953
7ee5d43e
JS		 10954 if (lpfc_enable_npiv) {
10955 lpfc_transport_functions.vport_create = lpfc_vport_create;
10956 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
10957 }
dea3101e 10958 lpfc_transport_template =
10959 fc_attach_transport(&lpfc_transport_functions);
7ee5d43e 10960 if (lpfc_transport_template == NULL)
dea3101e 10961 return -ENOMEM;
7ee5d43e 10962 if (lpfc_enable_npiv) {
7ee5d43e 10963 lpfc_vport_transport_template =
98c9ea5c
JS		 10964 fc_attach_transport(&lpfc_vport_transport_functions);
10965 if (lpfc_vport_transport_template == NULL) {
10966 fc_release_transport(lpfc_transport_template);
7ee5d43e 10967 return -ENOMEM;
98c9ea5c 10968 }
7ee5d43e 10969 }
7bb03bbf
JS		 10970
10971 /* Initialize in case vector mapping is needed */
b246de17
JS		 10972 lpfc_used_cpu = NULL;
10973 lpfc_present_cpu = 0;
10974 for_each_present_cpu(cpu)
10975 lpfc_present_cpu++;
7bb03bbf 10976
dea3101e 10977 error = pci_register_driver(&lpfc_driver);
92d7f7b0 10978 if (error) {
dea3101e 10979 fc_release_transport(lpfc_transport_template);
d7c255b2
JS		 10980 if (lpfc_enable_npiv)
10981 fc_release_transport(lpfc_vport_transport_template);
92d7f7b0 10982 }
dea3101e 10983
10984 return error;
10985}
10986
e59058c4 10987/**
3621a710 10988 * lpfc_exit - lpfc module removal routine
e59058c4
JS		 10989 *
10990 * This routine is invoked when the lpfc module is removed from the kernel.
10991 * The special kernel macro module_exit() is used to indicate the role of
10992 * this routine to the kernel as lpfc module exit point.
10993 */
dea3101e 10994static void __exit
10995lpfc_exit(void)
10996{
3ef6d24c 10997 misc_deregister(&lpfc_mgmt_dev);
dea3101e 10998 pci_unregister_driver(&lpfc_driver);
10999 fc_release_transport(lpfc_transport_template);
7ee5d43e
JS		 11000 if (lpfc_enable_npiv)
11001 fc_release_transport(lpfc_vport_transport_template);
81301a9b 11002 if (_dump_buf_data) {
6a9c52cf
JS		 11003 printk(KERN_ERR "9062 BLKGRD: freeing %lu pages for "
11004 "_dump_buf_data at 0x%p\n",
81301a9b
JS		 11005 (1L << _dump_buf_data_order), _dump_buf_data);
11006 free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order);
11007 }
11008
11009 if (_dump_buf_dif) {
6a9c52cf
JS		 11010 printk(KERN_ERR "9049 BLKGRD: freeing %lu pages for "
11011 "_dump_buf_dif at 0x%p\n",
81301a9b
JS		 11012 (1L << _dump_buf_dif_order), _dump_buf_dif);
11013 free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order);
11014 }
b246de17 11015 kfree(lpfc_used_cpu);
dea3101e 11016}
11017
11018module_init(lpfc_init);
11019module_exit(lpfc_exit);
11020MODULE_LICENSE("GPL");
11021MODULE_DESCRIPTION(LPFC_MODULE_DESC);
11022MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
11023MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
Linux kernel - Deliverables
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