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lpfc: Fix the iteration count to match the 30 sec comment in the routine lpfc_pci_fun...
[deliverable/linux.git] / drivers / scsi / lpfc / lpfc_init.c
CommitLineData
dea3101e 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
c44ce173 3 * Fibre Channel Host Bus Adapters. *
16a59fb3 4 * Copyright (C) 2004-2014 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);
1ba981fd 83static void lpfc_sli4_oas_verify(struct lpfc_hba *phba);
dea3101e 84
85static struct scsi_transport_template *lpfc_transport_template = NULL;
92d7f7b0 86static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
dea3101e 87static DEFINE_IDR(lpfc_hba_index);
88
e59058c4 89/**
3621a710 90 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
e59058c4
JS		 91 * @phba: pointer to lpfc hba data structure.
92 *
93 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
94 * mailbox command. It retrieves the revision information from the HBA and
95 * collects the Vital Product Data (VPD) about the HBA for preparing the
96 * configuration of the HBA.
97 *
98 * Return codes:
99 * 0 - success.
100 * -ERESTART - requests the SLI layer to reset the HBA and try again.
101 * Any other value - indicates an error.
102 **/
dea3101e 103int
2e0fef85 104lpfc_config_port_prep(struct lpfc_hba *phba)
dea3101e 105{
106 lpfc_vpd_t *vp = &phba->vpd;
107 int i = 0, rc;
108 LPFC_MBOXQ_t *pmb;
109 MAILBOX_t *mb;
110 char *lpfc_vpd_data = NULL;
111 uint16_t offset = 0;
112 static char licensed[56] =
113 "key unlock for use with gnu public licensed code only\0";
65a29c16 114 static int init_key = 1;
dea3101e 115
116 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
117 if (!pmb) {
2e0fef85 118 phba->link_state = LPFC_HBA_ERROR;
dea3101e 119 return -ENOMEM;
120 }
121
04c68496 122 mb = &pmb->u.mb;
2e0fef85 123 phba->link_state = LPFC_INIT_MBX_CMDS;
dea3101e 124
125 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
65a29c16
JS		 126 if (init_key) {
127 uint32_t *ptext = (uint32_t *) licensed;
dea3101e 128
65a29c16
JS		 129 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
130 *ptext = cpu_to_be32(*ptext);
131 init_key = 0;
132 }
dea3101e 133
134 lpfc_read_nv(phba, pmb);
135 memset((char*)mb->un.varRDnvp.rsvd3, 0,
136 sizeof (mb->un.varRDnvp.rsvd3));
137 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
138 sizeof (licensed));
139
140 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
141
142 if (rc != MBX_SUCCESS) {
ed957684 143 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
e8b62011 144 "0324 Config Port initialization "
dea3101e 145 "error, mbxCmd x%x READ_NVPARM, "
146 "mbxStatus x%x\n",
dea3101e 147 mb->mbxCommand, mb->mbxStatus);
148 mempool_free(pmb, phba->mbox_mem_pool);
149 return -ERESTART;
150 }
151 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
2e0fef85
JS		 152 sizeof(phba->wwnn));
153 memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
154 sizeof(phba->wwpn));
dea3101e 155 }
156
92d7f7b0
JS		 157 phba->sli3_options = 0x0;
158
dea3101e 159 /* Setup and issue mailbox READ REV command */
160 lpfc_read_rev(phba, pmb);
161 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
162 if (rc != MBX_SUCCESS) {
ed957684 163 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 164 "0439 Adapter failed to init, mbxCmd x%x "
dea3101e 165 "READ_REV, mbxStatus x%x\n",
dea3101e 166 mb->mbxCommand, mb->mbxStatus);
167 mempool_free( pmb, phba->mbox_mem_pool);
168 return -ERESTART;
169 }
170
92d7f7b0 171
1de933f3
JSEC		 172 /*
173 * The value of rr must be 1 since the driver set the cv field to 1.
174 * This setting requires the FW to set all revision fields.
dea3101e 175 */
1de933f3 176 if (mb->un.varRdRev.rr == 0) {
dea3101e 177 vp->rev.rBit = 0;
1de933f3 178 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011
JS		 179 "0440 Adapter failed to init, READ_REV has "
180 "missing revision information.\n");
dea3101e 181 mempool_free(pmb, phba->mbox_mem_pool);
182 return -ERESTART;
dea3101e 183 }
184
495a714c
JS		 185 if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) {
186 mempool_free(pmb, phba->mbox_mem_pool);
ed957684 187 return -EINVAL;
495a714c 188 }
ed957684 189
dea3101e 190 /* Save information as VPD data */
1de933f3 191 vp->rev.rBit = 1;
92d7f7b0 192 memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
1de933f3
JSEC		 193 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
194 memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
195 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
196 memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
dea3101e 197 vp->rev.biuRev = mb->un.varRdRev.biuRev;
198 vp->rev.smRev = mb->un.varRdRev.smRev;
199 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
200 vp->rev.endecRev = mb->un.varRdRev.endecRev;
201 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
202 vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
203 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
204 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
205 vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
206 vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
207
92d7f7b0
JS		 208 /* If the sli feature level is less then 9, we must
209 * tear down all RPIs and VPIs on link down if NPIV
210 * is enabled.
211 */
212 if (vp->rev.feaLevelHigh < 9)
213 phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
214
dea3101e 215 if (lpfc_is_LC_HBA(phba->pcidev->device))
216 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
217 sizeof (phba->RandomData));
218
dea3101e 219 /* Get adapter VPD information */
dea3101e 220 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
221 if (!lpfc_vpd_data)
d7c255b2 222 goto out_free_mbox;
dea3101e 223 do {
a0c87cbd 224 lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD);
dea3101e 225 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
226
227 if (rc != MBX_SUCCESS) {
228 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011 229 "0441 VPD not present on adapter, "
dea3101e 230 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
dea3101e 231 mb->mbxCommand, mb->mbxStatus);
74b72a59 232 mb->un.varDmp.word_cnt = 0;
dea3101e 233 }
04c68496
JS		 234 /* dump mem may return a zero when finished or we got a
235 * mailbox error, either way we are done.
236 */
237 if (mb->un.varDmp.word_cnt == 0)
238 break;
74b72a59
JW		 239 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
240 mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
d7c255b2
JS		 241 lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET,
242 lpfc_vpd_data + offset,
92d7f7b0 243 mb->un.varDmp.word_cnt);
dea3101e 244 offset += mb->un.varDmp.word_cnt;
74b72a59
JW		 245 } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
246 lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
dea3101e 247
248 kfree(lpfc_vpd_data);
dea3101e 249out_free_mbox:
250 mempool_free(pmb, phba->mbox_mem_pool);
251 return 0;
252}
253
e59058c4 254/**
3621a710 255 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
e59058c4
JS		 256 * @phba: pointer to lpfc hba data structure.
257 * @pmboxq: pointer to the driver internal queue element for mailbox command.
258 *
259 * This is the completion handler for driver's configuring asynchronous event
260 * mailbox command to the device. If the mailbox command returns successfully,
261 * it will set internal async event support flag to 1; otherwise, it will
262 * set internal async event support flag to 0.
263 **/
57127f15
JS		 264static void
265lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
266{
04c68496 267 if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS)
57127f15
JS		 268 phba->temp_sensor_support = 1;
269 else
270 phba->temp_sensor_support = 0;
271 mempool_free(pmboxq, phba->mbox_mem_pool);
272 return;
273}
274
97207482 275/**
3621a710 276 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
97207482
JS		 277 * @phba: pointer to lpfc hba data structure.
278 * @pmboxq: pointer to the driver internal queue element for mailbox command.
279 *
280 * This is the completion handler for dump mailbox command for getting
281 * wake up parameters. When this command complete, the response contain
282 * Option rom version of the HBA. This function translate the version number
283 * into a human readable string and store it in OptionROMVersion.
284 **/
285static void
286lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
287{
288 struct prog_id *prg;
289 uint32_t prog_id_word;
290 char dist = ' ';
291 /* character array used for decoding dist type. */
292 char dist_char[] = "nabx";
293
04c68496 294 if (pmboxq->u.mb.mbxStatus != MBX_SUCCESS) {
9f1e1b50 295 mempool_free(pmboxq, phba->mbox_mem_pool);
97207482 296 return;
9f1e1b50 297 }
97207482
JS		 298
299 prg = (struct prog_id *) &prog_id_word;
300
301 /* word 7 contain option rom version */
04c68496 302 prog_id_word = pmboxq->u.mb.un.varWords[7];
97207482
JS		 303
304 /* Decode the Option rom version word to a readable string */
305 if (prg->dist < 4)
306 dist = dist_char[prg->dist];
307
308 if ((prg->dist == 3) && (prg->num == 0))
a2fc4aef 309 snprintf(phba->OptionROMVersion, 32, "%d.%d%d",
97207482
JS		 310 prg->ver, prg->rev, prg->lev);
311 else
a2fc4aef 312 snprintf(phba->OptionROMVersion, 32, "%d.%d%d%c%d",
97207482
JS		 313 prg->ver, prg->rev, prg->lev,
314 dist, prg->num);
9f1e1b50 315 mempool_free(pmboxq, phba->mbox_mem_pool);
97207482
JS		 316 return;
317}
318
0558056c
JS		 319/**
320 * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname,
321 * cfg_soft_wwnn, cfg_soft_wwpn
322 * @vport: pointer to lpfc vport data structure.
323 *
324 *
325 * Return codes
326 * None.
327 **/
328void
329lpfc_update_vport_wwn(struct lpfc_vport *vport)
330{
331 /* If the soft name exists then update it using the service params */
332 if (vport->phba->cfg_soft_wwnn)
333 u64_to_wwn(vport->phba->cfg_soft_wwnn,
334 vport->fc_sparam.nodeName.u.wwn);
335 if (vport->phba->cfg_soft_wwpn)
336 u64_to_wwn(vport->phba->cfg_soft_wwpn,
337 vport->fc_sparam.portName.u.wwn);
338
339 /*
340 * If the name is empty or there exists a soft name
341 * then copy the service params name, otherwise use the fc name
342 */
343 if (vport->fc_nodename.u.wwn[0] == 0 || vport->phba->cfg_soft_wwnn)
344 memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
345 sizeof(struct lpfc_name));
346 else
347 memcpy(&vport->fc_sparam.nodeName, &vport->fc_nodename,
348 sizeof(struct lpfc_name));
349
350 if (vport->fc_portname.u.wwn[0] == 0 || vport->phba->cfg_soft_wwpn)
351 memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
352 sizeof(struct lpfc_name));
353 else
354 memcpy(&vport->fc_sparam.portName, &vport->fc_portname,
355 sizeof(struct lpfc_name));
356}
357
e59058c4 358/**
3621a710 359 * lpfc_config_port_post - Perform lpfc initialization after config port
e59058c4
JS		 360 * @phba: pointer to lpfc hba data structure.
361 *
362 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
363 * command call. It performs all internal resource and state setups on the
364 * port: post IOCB buffers, enable appropriate host interrupt attentions,
365 * ELS ring timers, etc.
366 *
367 * Return codes
368 * 0 - success.
369 * Any other value - error.
370 **/
dea3101e 371int
2e0fef85 372lpfc_config_port_post(struct lpfc_hba *phba)
dea3101e 373{
2e0fef85 374 struct lpfc_vport *vport = phba->pport;
a257bf90 375 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
dea3101e 376 LPFC_MBOXQ_t *pmb;
377 MAILBOX_t *mb;
378 struct lpfc_dmabuf *mp;
379 struct lpfc_sli *psli = &phba->sli;
380 uint32_t status, timeout;
2e0fef85
JS		 381 int i, j;
382 int rc;
dea3101e 383
7af67051
JS		 384 spin_lock_irq(&phba->hbalock);
385 /*
386 * If the Config port completed correctly the HBA is not
387 * over heated any more.
388 */
389 if (phba->over_temp_state == HBA_OVER_TEMP)
390 phba->over_temp_state = HBA_NORMAL_TEMP;
391 spin_unlock_irq(&phba->hbalock);
392
dea3101e 393 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
394 if (!pmb) {
2e0fef85 395 phba->link_state = LPFC_HBA_ERROR;
dea3101e 396 return -ENOMEM;
397 }
04c68496 398 mb = &pmb->u.mb;
dea3101e 399
dea3101e 400 /* Get login parameters for NID. */
9f1177a3
JS		 401 rc = lpfc_read_sparam(phba, pmb, 0);
402 if (rc) {
403 mempool_free(pmb, phba->mbox_mem_pool);
404 return -ENOMEM;
405 }
406
ed957684 407 pmb->vport = vport;
dea3101e 408 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
ed957684 409 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 410 "0448 Adapter failed init, mbxCmd x%x "
dea3101e 411 "READ_SPARM mbxStatus x%x\n",
dea3101e 412 mb->mbxCommand, mb->mbxStatus);
2e0fef85 413 phba->link_state = LPFC_HBA_ERROR;
dea3101e 414 mp = (struct lpfc_dmabuf *) pmb->context1;
9f1177a3 415 mempool_free(pmb, phba->mbox_mem_pool);
dea3101e 416 lpfc_mbuf_free(phba, mp->virt, mp->phys);
417 kfree(mp);
418 return -EIO;
419 }
420
421 mp = (struct lpfc_dmabuf *) pmb->context1;
422
2e0fef85 423 memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
dea3101e 424 lpfc_mbuf_free(phba, mp->virt, mp->phys);
425 kfree(mp);
426 pmb->context1 = NULL;
0558056c 427 lpfc_update_vport_wwn(vport);
a257bf90
JS		 428
429 /* Update the fc_host data structures with new wwn. */
430 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
431 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
21e9a0a5 432 fc_host_max_npiv_vports(shost) = phba->max_vpi;
a257bf90 433
dea3101e 434 /* If no serial number in VPD data, use low 6 bytes of WWNN */
435 /* This should be consolidated into parse_vpd ? - mr */
436 if (phba->SerialNumber[0] == 0) {
437 uint8_t *outptr;
438
2e0fef85 439 outptr = &vport->fc_nodename.u.s.IEEE[0];
dea3101e 440 for (i = 0; i < 12; i++) {
441 status = *outptr++;
442 j = ((status & 0xf0) >> 4);
443 if (j <= 9)
444 phba->SerialNumber[i] =
445 (char)((uint8_t) 0x30 + (uint8_t) j);
446 else
447 phba->SerialNumber[i] =
448 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
449 i++;
450 j = (status & 0xf);
451 if (j <= 9)
452 phba->SerialNumber[i] =
453 (char)((uint8_t) 0x30 + (uint8_t) j);
454 else
455 phba->SerialNumber[i] =
456 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
457 }
458 }
459
dea3101e 460 lpfc_read_config(phba, pmb);
ed957684 461 pmb->vport = vport;
dea3101e 462 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
ed957684 463 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 464 "0453 Adapter failed to init, mbxCmd x%x "
dea3101e 465 "READ_CONFIG, mbxStatus x%x\n",
dea3101e 466 mb->mbxCommand, mb->mbxStatus);
2e0fef85 467 phba->link_state = LPFC_HBA_ERROR;
dea3101e 468 mempool_free( pmb, phba->mbox_mem_pool);
469 return -EIO;
470 }
471
a0c87cbd
JS		 472 /* Check if the port is disabled */
473 lpfc_sli_read_link_ste(phba);
474
dea3101e 475 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
572709e2
JS		 476 i = (mb->un.varRdConfig.max_xri + 1);
477 if (phba->cfg_hba_queue_depth > i) {
478 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
479 "3359 HBA queue depth changed from %d to %d\n",
480 phba->cfg_hba_queue_depth, i);
481 phba->cfg_hba_queue_depth = i;
482 }
483
484 /* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3) */
485 i = (mb->un.varRdConfig.max_xri >> 3);
486 if (phba->pport->cfg_lun_queue_depth > i) {
487 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
488 "3360 LUN queue depth changed from %d to %d\n",
489 phba->pport->cfg_lun_queue_depth, i);
490 phba->pport->cfg_lun_queue_depth = i;
491 }
dea3101e 492
493 phba->lmt = mb->un.varRdConfig.lmt;
74b72a59
JW		 494
495 /* Get the default values for Model Name and Description */
496 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
497
2e0fef85 498 phba->link_state = LPFC_LINK_DOWN;
dea3101e 499
0b727fea 500 /* Only process IOCBs on ELS ring till hba_state is READY */
7e56aa25 501 if (psli->ring[psli->extra_ring].sli.sli3.cmdringaddr)
a4bc3379 502 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
7e56aa25 503 if (psli->ring[psli->fcp_ring].sli.sli3.cmdringaddr)
dea3101e 504 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
7e56aa25 505 if (psli->ring[psli->next_ring].sli.sli3.cmdringaddr)
dea3101e 506 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
507
508 /* Post receive buffers for desired rings */
ed957684
JS		 509 if (phba->sli_rev != 3)
510 lpfc_post_rcv_buf(phba);
dea3101e 511
9399627f
JS		 512 /*
513 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
514 */
515 if (phba->intr_type == MSIX) {
516 rc = lpfc_config_msi(phba, pmb);
517 if (rc) {
518 mempool_free(pmb, phba->mbox_mem_pool);
519 return -EIO;
520 }
521 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
522 if (rc != MBX_SUCCESS) {
523 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
524 "0352 Config MSI mailbox command "
525 "failed, mbxCmd x%x, mbxStatus x%x\n",
04c68496
JS		 526 pmb->u.mb.mbxCommand,
527 pmb->u.mb.mbxStatus);
9399627f
JS		 528 mempool_free(pmb, phba->mbox_mem_pool);
529 return -EIO;
530 }
531 }
532
04c68496 533 spin_lock_irq(&phba->hbalock);
9399627f
JS		 534 /* Initialize ERATT handling flag */
535 phba->hba_flag &= ~HBA_ERATT_HANDLED;
536
dea3101e 537 /* Enable appropriate host interrupts */
9940b97b
JS		 538 if (lpfc_readl(phba->HCregaddr, &status)) {
539 spin_unlock_irq(&phba->hbalock);
540 return -EIO;
541 }
dea3101e 542 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
543 if (psli->num_rings > 0)
544 status |= HC_R0INT_ENA;
545 if (psli->num_rings > 1)
546 status |= HC_R1INT_ENA;
547 if (psli->num_rings > 2)
548 status |= HC_R2INT_ENA;
549 if (psli->num_rings > 3)
550 status |= HC_R3INT_ENA;
551
875fbdfe
JSEC		 552 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
553 (phba->cfg_poll & DISABLE_FCP_RING_INT))
9399627f 554 status &= ~(HC_R0INT_ENA);
875fbdfe 555
dea3101e 556 writel(status, phba->HCregaddr);
557 readl(phba->HCregaddr); /* flush */
2e0fef85 558 spin_unlock_irq(&phba->hbalock);
dea3101e 559
9399627f
JS		 560 /* Set up ring-0 (ELS) timer */
561 timeout = phba->fc_ratov * 2;
256ec0d0
JS		 562 mod_timer(&vport->els_tmofunc,
563 jiffies + msecs_to_jiffies(1000 * timeout));
9399627f 564 /* Set up heart beat (HB) timer */
256ec0d0
JS		 565 mod_timer(&phba->hb_tmofunc,
566 jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
858c9f6c
JS		 567 phba->hb_outstanding = 0;
568 phba->last_completion_time = jiffies;
9399627f 569 /* Set up error attention (ERATT) polling timer */
256ec0d0
JS		 570 mod_timer(&phba->eratt_poll,
571 jiffies + msecs_to_jiffies(1000 * LPFC_ERATT_POLL_INTERVAL));
dea3101e 572
a0c87cbd
JS		 573 if (phba->hba_flag & LINK_DISABLED) {
574 lpfc_printf_log(phba,
575 KERN_ERR, LOG_INIT,
576 "2598 Adapter Link is disabled.\n");
577 lpfc_down_link(phba, pmb);
578 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
579 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
580 if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
581 lpfc_printf_log(phba,
582 KERN_ERR, LOG_INIT,
583 "2599 Adapter failed to issue DOWN_LINK"
584 " mbox command rc 0x%x\n", rc);
585
586 mempool_free(pmb, phba->mbox_mem_pool);
587 return -EIO;
588 }
e40a02c1 589 } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) {
026abb87
JS		 590 mempool_free(pmb, phba->mbox_mem_pool);
591 rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT);
592 if (rc)
593 return rc;
dea3101e 594 }
595 /* MBOX buffer will be freed in mbox compl */
57127f15 596 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
9f1177a3
JS		 597 if (!pmb) {
598 phba->link_state = LPFC_HBA_ERROR;
599 return -ENOMEM;
600 }
601
57127f15
JS		 602 lpfc_config_async(phba, pmb, LPFC_ELS_RING);
603 pmb->mbox_cmpl = lpfc_config_async_cmpl;
604 pmb->vport = phba->pport;
605 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
dea3101e 606
57127f15
JS		 607 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
608 lpfc_printf_log(phba,
609 KERN_ERR,
610 LOG_INIT,
611 "0456 Adapter failed to issue "
e4e74273 612 "ASYNCEVT_ENABLE mbox status x%x\n",
57127f15
JS		 613 rc);
614 mempool_free(pmb, phba->mbox_mem_pool);
615 }
97207482
JS		 616
617 /* Get Option rom version */
618 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
9f1177a3
JS		 619 if (!pmb) {
620 phba->link_state = LPFC_HBA_ERROR;
621 return -ENOMEM;
622 }
623
97207482
JS		 624 lpfc_dump_wakeup_param(phba, pmb);
625 pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl;
626 pmb->vport = phba->pport;
627 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
628
629 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
630 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed "
e4e74273 631 "to get Option ROM version status x%x\n", rc);
97207482
JS		 632 mempool_free(pmb, phba->mbox_mem_pool);
633 }
634
d7c255b2 635 return 0;
ce8b3ce5
JS		 636}
637
84d1b006
JS		 638/**
639 * lpfc_hba_init_link - Initialize the FC link
640 * @phba: pointer to lpfc hba data structure.
6e7288d9 641 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
84d1b006
JS		 642 *
643 * This routine will issue the INIT_LINK mailbox command call.
644 * It is available to other drivers through the lpfc_hba data
645 * structure for use as a delayed link up mechanism with the
646 * module parameter lpfc_suppress_link_up.
647 *
648 * Return code
649 * 0 - success
650 * Any other value - error
651 **/
e399b228 652static int
6e7288d9 653lpfc_hba_init_link(struct lpfc_hba *phba, uint32_t flag)
1b51197d
JS		 654{
655 return lpfc_hba_init_link_fc_topology(phba, phba->cfg_topology, flag);
656}
657
658/**
659 * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology
660 * @phba: pointer to lpfc hba data structure.
661 * @fc_topology: desired fc topology.
662 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
663 *
664 * This routine will issue the INIT_LINK mailbox command call.
665 * It is available to other drivers through the lpfc_hba data
666 * structure for use as a delayed link up mechanism with the
667 * module parameter lpfc_suppress_link_up.
668 *
669 * Return code
670 * 0 - success
671 * Any other value - error
672 **/
673int
674lpfc_hba_init_link_fc_topology(struct lpfc_hba *phba, uint32_t fc_topology,
675 uint32_t flag)
84d1b006
JS		 676{
677 struct lpfc_vport *vport = phba->pport;
678 LPFC_MBOXQ_t *pmb;
679 MAILBOX_t *mb;
680 int rc;
681
682 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
683 if (!pmb) {
684 phba->link_state = LPFC_HBA_ERROR;
685 return -ENOMEM;
686 }
687 mb = &pmb->u.mb;
688 pmb->vport = vport;
689
026abb87
JS		 690 if ((phba->cfg_link_speed > LPFC_USER_LINK_SPEED_MAX) ||
691 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_1G) &&
692 !(phba->lmt & LMT_1Gb)) ||
693 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_2G) &&
694 !(phba->lmt & LMT_2Gb)) ||
695 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_4G) &&
696 !(phba->lmt & LMT_4Gb)) ||
697 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_8G) &&
698 !(phba->lmt & LMT_8Gb)) ||
699 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_10G) &&
700 !(phba->lmt & LMT_10Gb)) ||
701 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G) &&
702 !(phba->lmt & LMT_16Gb))) {
703 /* Reset link speed to auto */
704 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
705 "1302 Invalid speed for this board:%d "
706 "Reset link speed to auto.\n",
707 phba->cfg_link_speed);
708 phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO;
709 }
1b51197d 710 lpfc_init_link(phba, pmb, fc_topology, phba->cfg_link_speed);
84d1b006 711 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1b51197d
JS		 712 if (phba->sli_rev < LPFC_SLI_REV4)
713 lpfc_set_loopback_flag(phba);
6e7288d9 714 rc = lpfc_sli_issue_mbox(phba, pmb, flag);
76a95d75 715 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
84d1b006
JS		 716 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
717 "0498 Adapter failed to init, mbxCmd x%x "
718 "INIT_LINK, mbxStatus x%x\n",
719 mb->mbxCommand, mb->mbxStatus);
76a95d75
JS		 720 if (phba->sli_rev <= LPFC_SLI_REV3) {
721 /* Clear all interrupt enable conditions */
722 writel(0, phba->HCregaddr);
723 readl(phba->HCregaddr); /* flush */
724 /* Clear all pending interrupts */
725 writel(0xffffffff, phba->HAregaddr);
726 readl(phba->HAregaddr); /* flush */
727 }
84d1b006 728 phba->link_state = LPFC_HBA_ERROR;
6e7288d9 729 if (rc != MBX_BUSY || flag == MBX_POLL)
84d1b006
JS		 730 mempool_free(pmb, phba->mbox_mem_pool);
731 return -EIO;
732 }
e40a02c1 733 phba->cfg_suppress_link_up = LPFC_INITIALIZE_LINK;
6e7288d9
JS		 734 if (flag == MBX_POLL)
735 mempool_free(pmb, phba->mbox_mem_pool);
84d1b006
JS		 736
737 return 0;
738}
739
740/**
741 * lpfc_hba_down_link - this routine downs the FC link
6e7288d9
JS		 742 * @phba: pointer to lpfc hba data structure.
743 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
84d1b006
JS		 744 *
745 * This routine will issue the DOWN_LINK mailbox command call.
746 * It is available to other drivers through the lpfc_hba data
747 * structure for use to stop the link.
748 *
749 * Return code
750 * 0 - success
751 * Any other value - error
752 **/
e399b228 753static int
6e7288d9 754lpfc_hba_down_link(struct lpfc_hba *phba, uint32_t flag)
84d1b006
JS		 755{
756 LPFC_MBOXQ_t *pmb;
757 int rc;
758
759 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
760 if (!pmb) {
761 phba->link_state = LPFC_HBA_ERROR;
762 return -ENOMEM;
763 }
764
765 lpfc_printf_log(phba,
766 KERN_ERR, LOG_INIT,
767 "0491 Adapter Link is disabled.\n");
768 lpfc_down_link(phba, pmb);
769 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
6e7288d9 770 rc = lpfc_sli_issue_mbox(phba, pmb, flag);
84d1b006
JS		 771 if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
772 lpfc_printf_log(phba,
773 KERN_ERR, LOG_INIT,
774 "2522 Adapter failed to issue DOWN_LINK"
775 " mbox command rc 0x%x\n", rc);
776
777 mempool_free(pmb, phba->mbox_mem_pool);
778 return -EIO;
779 }
6e7288d9
JS		 780 if (flag == MBX_POLL)
781 mempool_free(pmb, phba->mbox_mem_pool);
782
84d1b006
JS		 783 return 0;
784}
785
e59058c4 786/**
3621a710 787 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
e59058c4
JS		 788 * @phba: pointer to lpfc HBA data structure.
789 *
790 * This routine will do LPFC uninitialization before the HBA is reset when
791 * bringing down the SLI Layer.
792 *
793 * Return codes
794 * 0 - success.
795 * Any other value - error.
796 **/
dea3101e 797int
2e0fef85 798lpfc_hba_down_prep(struct lpfc_hba *phba)
dea3101e 799{
1b32f6aa
JS		 800 struct lpfc_vport **vports;
801 int i;
3772a991
JS		 802
803 if (phba->sli_rev <= LPFC_SLI_REV3) {
804 /* Disable interrupts */
805 writel(0, phba->HCregaddr);
806 readl(phba->HCregaddr); /* flush */
807 }
dea3101e 808
1b32f6aa
JS		 809 if (phba->pport->load_flag & FC_UNLOADING)
810 lpfc_cleanup_discovery_resources(phba->pport);
811 else {
812 vports = lpfc_create_vport_work_array(phba);
813 if (vports != NULL)
3772a991
JS		 814 for (i = 0; i <= phba->max_vports &&
815 vports[i] != NULL; i++)
1b32f6aa
JS		 816 lpfc_cleanup_discovery_resources(vports[i]);
817 lpfc_destroy_vport_work_array(phba, vports);
7f5f3d0d
JS		 818 }
819 return 0;
dea3101e 820}
821
68e814f5
JS		 822/**
823 * lpfc_sli4_free_sp_events - Cleanup sp_queue_events to free
824 * rspiocb which got deferred
825 *
826 * @phba: pointer to lpfc HBA data structure.
827 *
828 * This routine will cleanup completed slow path events after HBA is reset
829 * when bringing down the SLI Layer.
830 *
831 *
832 * Return codes
833 * void.
834 **/
835static void
836lpfc_sli4_free_sp_events(struct lpfc_hba *phba)
837{
838 struct lpfc_iocbq *rspiocbq;
839 struct hbq_dmabuf *dmabuf;
840 struct lpfc_cq_event *cq_event;
841
842 spin_lock_irq(&phba->hbalock);
843 phba->hba_flag &= ~HBA_SP_QUEUE_EVT;
844 spin_unlock_irq(&phba->hbalock);
845
846 while (!list_empty(&phba->sli4_hba.sp_queue_event)) {
847 /* Get the response iocb from the head of work queue */
848 spin_lock_irq(&phba->hbalock);
849 list_remove_head(&phba->sli4_hba.sp_queue_event,
850 cq_event, struct lpfc_cq_event, list);
851 spin_unlock_irq(&phba->hbalock);
852
853 switch (bf_get(lpfc_wcqe_c_code, &cq_event->cqe.wcqe_cmpl)) {
854 case CQE_CODE_COMPL_WQE:
855 rspiocbq = container_of(cq_event, struct lpfc_iocbq,
856 cq_event);
857 lpfc_sli_release_iocbq(phba, rspiocbq);
858 break;
859 case CQE_CODE_RECEIVE:
860 case CQE_CODE_RECEIVE_V1:
861 dmabuf = container_of(cq_event, struct hbq_dmabuf,
862 cq_event);
863 lpfc_in_buf_free(phba, &dmabuf->dbuf);
864 }
865 }
866}
867
e59058c4 868/**
bcece5f5 869 * lpfc_hba_free_post_buf - Perform lpfc uninitialization after HBA reset
e59058c4
JS		 870 * @phba: pointer to lpfc HBA data structure.
871 *
bcece5f5
JS		 872 * This routine will cleanup posted ELS buffers after the HBA is reset
873 * when bringing down the SLI Layer.
874 *
e59058c4
JS		 875 *
876 * Return codes
bcece5f5 877 * void.
e59058c4 878 **/
bcece5f5
JS		 879static void
880lpfc_hba_free_post_buf(struct lpfc_hba *phba)
41415862
JW		 881{
882 struct lpfc_sli *psli = &phba->sli;
883 struct lpfc_sli_ring *pring;
884 struct lpfc_dmabuf *mp, *next_mp;
07eab624
JS		 885 LIST_HEAD(buflist);
886 int count;
41415862 887
92d7f7b0
JS		 888 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
889 lpfc_sli_hbqbuf_free_all(phba);
890 else {
891 /* Cleanup preposted buffers on the ELS ring */
892 pring = &psli->ring[LPFC_ELS_RING];
07eab624
JS		 893 spin_lock_irq(&phba->hbalock);
894 list_splice_init(&pring->postbufq, &buflist);
895 spin_unlock_irq(&phba->hbalock);
896
897 count = 0;
898 list_for_each_entry_safe(mp, next_mp, &buflist, list) {
92d7f7b0 899 list_del(&mp->list);
07eab624 900 count++;
92d7f7b0
JS		 901 lpfc_mbuf_free(phba, mp->virt, mp->phys);
902 kfree(mp);
903 }
07eab624
JS		 904
905 spin_lock_irq(&phba->hbalock);
906 pring->postbufq_cnt -= count;
bcece5f5 907 spin_unlock_irq(&phba->hbalock);
41415862 908 }
bcece5f5
JS		 909}
910
911/**
912 * lpfc_hba_clean_txcmplq - Perform lpfc uninitialization after HBA reset
913 * @phba: pointer to lpfc HBA data structure.
914 *
915 * This routine will cleanup the txcmplq after the HBA is reset when bringing
916 * down the SLI Layer.
917 *
918 * Return codes
919 * void
920 **/
921static void
922lpfc_hba_clean_txcmplq(struct lpfc_hba *phba)
923{
924 struct lpfc_sli *psli = &phba->sli;
925 struct lpfc_sli_ring *pring;
926 LIST_HEAD(completions);
927 int i;
928
41415862
JW		 929 for (i = 0; i < psli->num_rings; i++) {
930 pring = &psli->ring[i];
bcece5f5
JS		 931 if (phba->sli_rev >= LPFC_SLI_REV4)
932 spin_lock_irq(&pring->ring_lock);
933 else
934 spin_lock_irq(&phba->hbalock);
09372820
JS		 935 /* At this point in time the HBA is either reset or DOA. Either
936 * way, nothing should be on txcmplq as it will NEVER complete.
937 */
938 list_splice_init(&pring->txcmplq, &completions);
db55fba8 939 pring->txcmplq_cnt = 0;
bcece5f5
JS		 940
941 if (phba->sli_rev >= LPFC_SLI_REV4)
942 spin_unlock_irq(&pring->ring_lock);
943 else
944 spin_unlock_irq(&phba->hbalock);
09372820 945
a257bf90
JS		 946 /* Cancel all the IOCBs from the completions list */
947 lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
948 IOERR_SLI_ABORTED);
41415862
JW		 949 lpfc_sli_abort_iocb_ring(phba, pring);
950 }
bcece5f5 951}
41415862 952
bcece5f5
JS		 953/**
954 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
955 int i;
956 * @phba: pointer to lpfc HBA data structure.
957 *
958 * This routine will do uninitialization after the HBA is reset when bring
959 * down the SLI Layer.
960 *
961 * Return codes
962 * 0 - success.
963 * Any other value - error.
964 **/
965static int
966lpfc_hba_down_post_s3(struct lpfc_hba *phba)
967{
968 lpfc_hba_free_post_buf(phba);
969 lpfc_hba_clean_txcmplq(phba);
41415862
JW		 970 return 0;
971}
5af5eee7 972
da0436e9
JS		 973/**
974 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
975 * @phba: pointer to lpfc HBA data structure.
976 *
977 * This routine will do uninitialization after the HBA is reset when bring
978 * down the SLI Layer.
979 *
980 * Return codes
af901ca1 981 * 0 - success.
da0436e9
JS		 982 * Any other value - error.
983 **/
984static int
985lpfc_hba_down_post_s4(struct lpfc_hba *phba)
986{
987 struct lpfc_scsi_buf *psb, *psb_next;
988 LIST_HEAD(aborts);
da0436e9 989 unsigned long iflag = 0;
0f65ff68 990 struct lpfc_sglq *sglq_entry = NULL;
dafe8cea
JS		 991 struct lpfc_sli *psli = &phba->sli;
992 struct lpfc_sli_ring *pring;
0f65ff68 993
bcece5f5
JS		 994 lpfc_hba_free_post_buf(phba);
995 lpfc_hba_clean_txcmplq(phba);
dafe8cea 996 pring = &psli->ring[LPFC_ELS_RING];
bcece5f5 997
da0436e9
JS		 998 /* At this point in time the HBA is either reset or DOA. Either
999 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
1000 * on the lpfc_sgl_list so that it can either be freed if the
1001 * driver is unloading or reposted if the driver is restarting
1002 * the port.
1003 */
1004 spin_lock_irq(&phba->hbalock); /* required for lpfc_sgl_list and */
1005 /* scsl_buf_list */
1006 /* abts_sgl_list_lock required because worker thread uses this
1007 * list.
1008 */
1009 spin_lock(&phba->sli4_hba.abts_sgl_list_lock);
0f65ff68
JS		 1010 list_for_each_entry(sglq_entry,
1011 &phba->sli4_hba.lpfc_abts_els_sgl_list, list)
1012 sglq_entry->state = SGL_FREED;
1013
dafe8cea 1014 spin_lock(&pring->ring_lock);
da0436e9
JS		 1015 list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list,
1016 &phba->sli4_hba.lpfc_sgl_list);
dafe8cea 1017 spin_unlock(&pring->ring_lock);
da0436e9
JS		 1018 spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
1019 /* abts_scsi_buf_list_lock required because worker thread uses this
1020 * list.
1021 */
1022 spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock);
1023 list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list,
1024 &aborts);
1025 spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock);
1026 spin_unlock_irq(&phba->hbalock);
1027
1028 list_for_each_entry_safe(psb, psb_next, &aborts, list) {
1029 psb->pCmd = NULL;
1030 psb->status = IOSTAT_SUCCESS;
1031 }
a40fc5f0
JS		 1032 spin_lock_irqsave(&phba->scsi_buf_list_put_lock, iflag);
1033 list_splice(&aborts, &phba->lpfc_scsi_buf_list_put);
1034 spin_unlock_irqrestore(&phba->scsi_buf_list_put_lock, iflag);
68e814f5
JS		 1035
1036 lpfc_sli4_free_sp_events(phba);
da0436e9
JS		 1037 return 0;
1038}
1039
1040/**
1041 * lpfc_hba_down_post - Wrapper func for hba down post routine
1042 * @phba: pointer to lpfc HBA data structure.
1043 *
1044 * This routine wraps the actual SLI3 or SLI4 routine for performing
1045 * uninitialization after the HBA is reset when bring down the SLI Layer.
1046 *
1047 * Return codes
af901ca1 1048 * 0 - success.
da0436e9
JS		 1049 * Any other value - error.
1050 **/
1051int
1052lpfc_hba_down_post(struct lpfc_hba *phba)
1053{
1054 return (*phba->lpfc_hba_down_post)(phba);
1055}
41415862 1056
e59058c4 1057/**
3621a710 1058 * lpfc_hb_timeout - The HBA-timer timeout handler
e59058c4
JS		 1059 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
1060 *
1061 * This is the HBA-timer timeout handler registered to the lpfc driver. When
1062 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
1063 * work-port-events bitmap and the worker thread is notified. This timeout
1064 * event will be used by the worker thread to invoke the actual timeout
1065 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
1066 * be performed in the timeout handler and the HBA timeout event bit shall
1067 * be cleared by the worker thread after it has taken the event bitmap out.
1068 **/
a6ababd2 1069static void
858c9f6c
JS		 1070lpfc_hb_timeout(unsigned long ptr)
1071{
1072 struct lpfc_hba *phba;
5e9d9b82 1073 uint32_t tmo_posted;
858c9f6c
JS		 1074 unsigned long iflag;
1075
1076 phba = (struct lpfc_hba *)ptr;
9399627f
JS		 1077
1078 /* Check for heart beat timeout conditions */
858c9f6c 1079 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
5e9d9b82
JS		 1080 tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO;
1081 if (!tmo_posted)
858c9f6c
JS		 1082 phba->pport->work_port_events |= WORKER_HB_TMO;
1083 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
1084
9399627f 1085 /* Tell the worker thread there is work to do */
5e9d9b82
JS		 1086 if (!tmo_posted)
1087 lpfc_worker_wake_up(phba);
858c9f6c
JS		 1088 return;
1089}
1090
19ca7609
JS		 1091/**
1092 * lpfc_rrq_timeout - The RRQ-timer timeout handler
1093 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
1094 *
1095 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
1096 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
1097 * work-port-events bitmap and the worker thread is notified. This timeout
1098 * event will be used by the worker thread to invoke the actual timeout
1099 * handler routine, lpfc_rrq_handler. Any periodical operations will
1100 * be performed in the timeout handler and the RRQ timeout event bit shall
1101 * be cleared by the worker thread after it has taken the event bitmap out.
1102 **/
1103static void
1104lpfc_rrq_timeout(unsigned long ptr)
1105{
1106 struct lpfc_hba *phba;
19ca7609
JS		 1107 unsigned long iflag;
1108
1109 phba = (struct lpfc_hba *)ptr;
1110 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
06918ac5
JS		 1111 if (!(phba->pport->load_flag & FC_UNLOADING))
1112 phba->hba_flag |= HBA_RRQ_ACTIVE;
1113 else
1114 phba->hba_flag &= ~HBA_RRQ_ACTIVE;
19ca7609 1115 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
06918ac5
JS		 1116
1117 if (!(phba->pport->load_flag & FC_UNLOADING))
1118 lpfc_worker_wake_up(phba);
19ca7609
JS		 1119}
1120
e59058c4 1121/**
3621a710 1122 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
e59058c4
JS		 1123 * @phba: pointer to lpfc hba data structure.
1124 * @pmboxq: pointer to the driver internal queue element for mailbox command.
1125 *
1126 * This is the callback function to the lpfc heart-beat mailbox command.
1127 * If configured, the lpfc driver issues the heart-beat mailbox command to
1128 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
1129 * heart-beat mailbox command is issued, the driver shall set up heart-beat
1130 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
1131 * heart-beat outstanding state. Once the mailbox command comes back and
1132 * no error conditions detected, the heart-beat mailbox command timer is
1133 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1134 * state is cleared for the next heart-beat. If the timer expired with the
1135 * heart-beat outstanding state set, the driver will put the HBA offline.
1136 **/
858c9f6c
JS		 1137static void
1138lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
1139{
1140 unsigned long drvr_flag;
1141
1142 spin_lock_irqsave(&phba->hbalock, drvr_flag);
1143 phba->hb_outstanding = 0;
1144 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
1145
9399627f 1146 /* Check and reset heart-beat timer is necessary */
858c9f6c
JS		 1147 mempool_free(pmboxq, phba->mbox_mem_pool);
1148 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
1149 !(phba->link_state == LPFC_HBA_ERROR) &&
51ef4c26 1150 !(phba->pport->load_flag & FC_UNLOADING))
858c9f6c 1151 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1152 jiffies +
1153 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
858c9f6c
JS		 1154 return;
1155}
1156
e59058c4 1157/**
3621a710 1158 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
e59058c4
JS		 1159 * @phba: pointer to lpfc hba data structure.
1160 *
1161 * This is the actual HBA-timer timeout handler to be invoked by the worker
1162 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1163 * handler performs any periodic operations needed for the device. If such
1164 * periodic event has already been attended to either in the interrupt handler
1165 * or by processing slow-ring or fast-ring events within the HBA-timer
1166 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1167 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1168 * is configured and there is no heart-beat mailbox command outstanding, a
1169 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1170 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1171 * to offline.
1172 **/
858c9f6c
JS		 1173void
1174lpfc_hb_timeout_handler(struct lpfc_hba *phba)
1175{
45ed1190 1176 struct lpfc_vport **vports;
858c9f6c 1177 LPFC_MBOXQ_t *pmboxq;
0ff10d46 1178 struct lpfc_dmabuf *buf_ptr;
45ed1190 1179 int retval, i;
858c9f6c 1180 struct lpfc_sli *psli = &phba->sli;
0ff10d46 1181 LIST_HEAD(completions);
858c9f6c 1182
45ed1190
JS		 1183 vports = lpfc_create_vport_work_array(phba);
1184 if (vports != NULL)
1185 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
1186 lpfc_rcv_seq_check_edtov(vports[i]);
1187 lpfc_destroy_vport_work_array(phba, vports);
1188
858c9f6c 1189 if ((phba->link_state == LPFC_HBA_ERROR) ||
51ef4c26 1190 (phba->pport->load_flag & FC_UNLOADING) ||
858c9f6c
JS		 1191 (phba->pport->fc_flag & FC_OFFLINE_MODE))
1192 return;
1193
1194 spin_lock_irq(&phba->pport->work_port_lock);
858c9f6c 1195
256ec0d0
JS		 1196 if (time_after(phba->last_completion_time +
1197 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL),
1198 jiffies)) {
858c9f6c
JS		 1199 spin_unlock_irq(&phba->pport->work_port_lock);
1200 if (!phba->hb_outstanding)
1201 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1202 jiffies +
1203 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
858c9f6c
JS		 1204 else
1205 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1206 jiffies +
1207 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
858c9f6c
JS		 1208 return;
1209 }
1210 spin_unlock_irq(&phba->pport->work_port_lock);
1211
0ff10d46
JS		 1212 if (phba->elsbuf_cnt &&
1213 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
1214 spin_lock_irq(&phba->hbalock);
1215 list_splice_init(&phba->elsbuf, &completions);
1216 phba->elsbuf_cnt = 0;
1217 phba->elsbuf_prev_cnt = 0;
1218 spin_unlock_irq(&phba->hbalock);
1219
1220 while (!list_empty(&completions)) {
1221 list_remove_head(&completions, buf_ptr,
1222 struct lpfc_dmabuf, list);
1223 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
1224 kfree(buf_ptr);
1225 }
1226 }
1227 phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
1228
858c9f6c 1229 /* If there is no heart beat outstanding, issue a heartbeat command */
13815c83
JS		 1230 if (phba->cfg_enable_hba_heartbeat) {
1231 if (!phba->hb_outstanding) {
bc73905a
JS		 1232 if ((!(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) &&
1233 (list_empty(&psli->mboxq))) {
1234 pmboxq = mempool_alloc(phba->mbox_mem_pool,
1235 GFP_KERNEL);
1236 if (!pmboxq) {
1237 mod_timer(&phba->hb_tmofunc,
1238 jiffies +
256ec0d0
JS		 1239 msecs_to_jiffies(1000 *
1240 LPFC_HB_MBOX_INTERVAL));
bc73905a
JS		 1241 return;
1242 }
1243
1244 lpfc_heart_beat(phba, pmboxq);
1245 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
1246 pmboxq->vport = phba->pport;
1247 retval = lpfc_sli_issue_mbox(phba, pmboxq,
1248 MBX_NOWAIT);
1249
1250 if (retval != MBX_BUSY &&
1251 retval != MBX_SUCCESS) {
1252 mempool_free(pmboxq,
1253 phba->mbox_mem_pool);
1254 mod_timer(&phba->hb_tmofunc,
1255 jiffies +
256ec0d0
JS		 1256 msecs_to_jiffies(1000 *
1257 LPFC_HB_MBOX_INTERVAL));
bc73905a
JS		 1258 return;
1259 }
1260 phba->skipped_hb = 0;
1261 phba->hb_outstanding = 1;
1262 } else if (time_before_eq(phba->last_completion_time,
1263 phba->skipped_hb)) {
1264 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1265 "2857 Last completion time not "
1266 " updated in %d ms\n",
1267 jiffies_to_msecs(jiffies
1268 - phba->last_completion_time));
1269 } else
1270 phba->skipped_hb = jiffies;
1271
858c9f6c 1272 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1273 jiffies +
1274 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
858c9f6c 1275 return;
13815c83
JS		 1276 } else {
1277 /*
1278 * If heart beat timeout called with hb_outstanding set
dcf2a4e0
JS		 1279 * we need to give the hb mailbox cmd a chance to
1280 * complete or TMO.
13815c83 1281 */
dcf2a4e0
JS		 1282 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1283 "0459 Adapter heartbeat still out"
1284 "standing:last compl time was %d ms.\n",
1285 jiffies_to_msecs(jiffies
1286 - phba->last_completion_time));
1287 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1288 jiffies +
1289 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
858c9f6c 1290 }
858c9f6c
JS		 1291 }
1292}
1293
e59058c4 1294/**
3621a710 1295 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
e59058c4
JS		 1296 * @phba: pointer to lpfc hba data structure.
1297 *
1298 * This routine is called to bring the HBA offline when HBA hardware error
1299 * other than Port Error 6 has been detected.
1300 **/
09372820
JS		 1301static void
1302lpfc_offline_eratt(struct lpfc_hba *phba)
1303{
1304 struct lpfc_sli *psli = &phba->sli;
1305
1306 spin_lock_irq(&phba->hbalock);
f4b4c68f 1307 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
09372820 1308 spin_unlock_irq(&phba->hbalock);
618a5230 1309 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
09372820
JS		 1310
1311 lpfc_offline(phba);
1312 lpfc_reset_barrier(phba);
f4b4c68f 1313 spin_lock_irq(&phba->hbalock);
09372820 1314 lpfc_sli_brdreset(phba);
f4b4c68f 1315 spin_unlock_irq(&phba->hbalock);
09372820
JS		 1316 lpfc_hba_down_post(phba);
1317 lpfc_sli_brdready(phba, HS_MBRDY);
1318 lpfc_unblock_mgmt_io(phba);
1319 phba->link_state = LPFC_HBA_ERROR;
1320 return;
1321}
1322
da0436e9
JS		 1323/**
1324 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1325 * @phba: pointer to lpfc hba data structure.
1326 *
1327 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1328 * other than Port Error 6 has been detected.
1329 **/
a88dbb6a 1330void
da0436e9
JS		 1331lpfc_sli4_offline_eratt(struct lpfc_hba *phba)
1332{
618a5230 1333 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
da0436e9
JS		 1334 lpfc_offline(phba);
1335 lpfc_sli4_brdreset(phba);
1336 lpfc_hba_down_post(phba);
1337 lpfc_sli4_post_status_check(phba);
1338 lpfc_unblock_mgmt_io(phba);
1339 phba->link_state = LPFC_HBA_ERROR;
1340}
1341
a257bf90
JS		 1342/**
1343 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1344 * @phba: pointer to lpfc hba data structure.
1345 *
1346 * This routine is invoked to handle the deferred HBA hardware error
1347 * conditions. This type of error is indicated by HBA by setting ER1
1348 * and another ER bit in the host status register. The driver will
1349 * wait until the ER1 bit clears before handling the error condition.
1350 **/
1351static void
1352lpfc_handle_deferred_eratt(struct lpfc_hba *phba)
1353{
1354 uint32_t old_host_status = phba->work_hs;
a257bf90
JS		 1355 struct lpfc_sli *psli = &phba->sli;
1356
f4b4c68f
JS		 1357 /* If the pci channel is offline, ignore possible errors,
1358 * since we cannot communicate with the pci card anyway.
1359 */
1360 if (pci_channel_offline(phba->pcidev)) {
1361 spin_lock_irq(&phba->hbalock);
1362 phba->hba_flag &= ~DEFER_ERATT;
1363 spin_unlock_irq(&phba->hbalock);
1364 return;
1365 }
1366
a257bf90
JS		 1367 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1368 "0479 Deferred Adapter Hardware Error "
1369 "Data: x%x x%x x%x\n",
1370 phba->work_hs,
1371 phba->work_status[0], phba->work_status[1]);
1372
1373 spin_lock_irq(&phba->hbalock);
f4b4c68f 1374 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
a257bf90
JS		 1375 spin_unlock_irq(&phba->hbalock);
1376
1377
1378 /*
1379 * Firmware stops when it triggred erratt. That could cause the I/Os
1380 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1381 * SCSI layer retry it after re-establishing link.
1382 */
db55fba8 1383 lpfc_sli_abort_fcp_rings(phba);
a257bf90
JS		 1384
1385 /*
1386 * There was a firmware error. Take the hba offline and then
1387 * attempt to restart it.
1388 */
618a5230 1389 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
a257bf90
JS		 1390 lpfc_offline(phba);
1391
1392 /* Wait for the ER1 bit to clear.*/
1393 while (phba->work_hs & HS_FFER1) {
1394 msleep(100);
9940b97b
JS		 1395 if (lpfc_readl(phba->HSregaddr, &phba->work_hs)) {
1396 phba->work_hs = UNPLUG_ERR ;
1397 break;
1398 }
a257bf90
JS		 1399 /* If driver is unloading let the worker thread continue */
1400 if (phba->pport->load_flag & FC_UNLOADING) {
1401 phba->work_hs = 0;
1402 break;
1403 }
1404 }
1405
1406 /*
1407 * This is to ptrotect against a race condition in which
1408 * first write to the host attention register clear the
1409 * host status register.
1410 */
1411 if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING)))
1412 phba->work_hs = old_host_status & ~HS_FFER1;
1413
3772a991 1414 spin_lock_irq(&phba->hbalock);
a257bf90 1415 phba->hba_flag &= ~DEFER_ERATT;
3772a991 1416 spin_unlock_irq(&phba->hbalock);
a257bf90
JS		 1417 phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
1418 phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
1419}
1420
3772a991
JS		 1421static void
1422lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba)
1423{
1424 struct lpfc_board_event_header board_event;
1425 struct Scsi_Host *shost;
1426
1427 board_event.event_type = FC_REG_BOARD_EVENT;
1428 board_event.subcategory = LPFC_EVENT_PORTINTERR;
1429 shost = lpfc_shost_from_vport(phba->pport);
1430 fc_host_post_vendor_event(shost, fc_get_event_number(),
1431 sizeof(board_event),
1432 (char *) &board_event,
1433 LPFC_NL_VENDOR_ID);
1434}
1435
e59058c4 1436/**
3772a991 1437 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
e59058c4
JS		 1438 * @phba: pointer to lpfc hba data structure.
1439 *
1440 * This routine is invoked to handle the following HBA hardware error
1441 * conditions:
1442 * 1 - HBA error attention interrupt
1443 * 2 - DMA ring index out of range
1444 * 3 - Mailbox command came back as unknown
1445 **/
3772a991
JS		 1446static void
1447lpfc_handle_eratt_s3(struct lpfc_hba *phba)
dea3101e 1448{
2e0fef85 1449 struct lpfc_vport *vport = phba->pport;
2e0fef85 1450 struct lpfc_sli *psli = &phba->sli;
d2873e4c 1451 uint32_t event_data;
57127f15
JS		 1452 unsigned long temperature;
1453 struct temp_event temp_event_data;
92d7f7b0 1454 struct Scsi_Host *shost;
2e0fef85 1455
8d63f375 1456 /* If the pci channel is offline, ignore possible errors,
3772a991
JS		 1457 * since we cannot communicate with the pci card anyway.
1458 */
1459 if (pci_channel_offline(phba->pcidev)) {
1460 spin_lock_irq(&phba->hbalock);
1461 phba->hba_flag &= ~DEFER_ERATT;
1462 spin_unlock_irq(&phba->hbalock);
8d63f375 1463 return;
3772a991
JS		 1464 }
1465
13815c83
JS		 1466 /* If resets are disabled then leave the HBA alone and return */
1467 if (!phba->cfg_enable_hba_reset)
1468 return;
dea3101e 1469
ea2151b4 1470 /* Send an internal error event to mgmt application */
3772a991 1471 lpfc_board_errevt_to_mgmt(phba);
ea2151b4 1472
a257bf90
JS		 1473 if (phba->hba_flag & DEFER_ERATT)
1474 lpfc_handle_deferred_eratt(phba);
1475
dcf2a4e0
JS		 1476 if ((phba->work_hs & HS_FFER6) || (phba->work_hs & HS_FFER8)) {
1477 if (phba->work_hs & HS_FFER6)
1478 /* Re-establishing Link */
1479 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
1480 "1301 Re-establishing Link "
1481 "Data: x%x x%x x%x\n",
1482 phba->work_hs, phba->work_status[0],
1483 phba->work_status[1]);
1484 if (phba->work_hs & HS_FFER8)
1485 /* Device Zeroization */
1486 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
1487 "2861 Host Authentication device "
1488 "zeroization Data:x%x x%x x%x\n",
1489 phba->work_hs, phba->work_status[0],
1490 phba->work_status[1]);
58da1ffb 1491
92d7f7b0 1492 spin_lock_irq(&phba->hbalock);
f4b4c68f 1493 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
92d7f7b0 1494 spin_unlock_irq(&phba->hbalock);
dea3101e 1495
1496 /*
1497 * Firmware stops when it triggled erratt with HS_FFER6.
1498 * That could cause the I/Os dropped by the firmware.
1499 * Error iocb (I/O) on txcmplq and let the SCSI layer
1500 * retry it after re-establishing link.
1501 */
db55fba8 1502 lpfc_sli_abort_fcp_rings(phba);
dea3101e 1503
dea3101e 1504 /*
1505 * There was a firmware error. Take the hba offline and then
1506 * attempt to restart it.
1507 */
618a5230 1508 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
dea3101e 1509 lpfc_offline(phba);
41415862 1510 lpfc_sli_brdrestart(phba);
dea3101e 1511 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
46fa311e 1512 lpfc_unblock_mgmt_io(phba);
dea3101e 1513 return;
1514 }
46fa311e 1515 lpfc_unblock_mgmt_io(phba);
57127f15
JS		 1516 } else if (phba->work_hs & HS_CRIT_TEMP) {
1517 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
1518 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
1519 temp_event_data.event_code = LPFC_CRIT_TEMP;
1520 temp_event_data.data = (uint32_t)temperature;
1521
1522 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
d7c255b2 1523 "0406 Adapter maximum temperature exceeded "
57127f15
JS		 1524 "(%ld), taking this port offline "
1525 "Data: x%x x%x x%x\n",
1526 temperature, phba->work_hs,
1527 phba->work_status[0], phba->work_status[1]);
1528
1529 shost = lpfc_shost_from_vport(phba->pport);
1530 fc_host_post_vendor_event(shost, fc_get_event_number(),
1531 sizeof(temp_event_data),
1532 (char *) &temp_event_data,
1533 SCSI_NL_VID_TYPE_PCI
1534 | PCI_VENDOR_ID_EMULEX);
1535
7af67051 1536 spin_lock_irq(&phba->hbalock);
7af67051
JS		 1537 phba->over_temp_state = HBA_OVER_TEMP;
1538 spin_unlock_irq(&phba->hbalock);
09372820 1539 lpfc_offline_eratt(phba);
57127f15 1540
dea3101e 1541 } else {
1542 /* The if clause above forces this code path when the status
9399627f
JS		 1543 * failure is a value other than FFER6. Do not call the offline
1544 * twice. This is the adapter hardware error path.
dea3101e 1545 */
1546 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 1547 "0457 Adapter Hardware Error "
dea3101e 1548 "Data: x%x x%x x%x\n",
e8b62011 1549 phba->work_hs,
dea3101e 1550 phba->work_status[0], phba->work_status[1]);
1551
d2873e4c 1552 event_data = FC_REG_DUMP_EVENT;
92d7f7b0 1553 shost = lpfc_shost_from_vport(vport);
2e0fef85 1554 fc_host_post_vendor_event(shost, fc_get_event_number(),
d2873e4c
JS		 1555 sizeof(event_data), (char *) &event_data,
1556 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
1557
09372820 1558 lpfc_offline_eratt(phba);
dea3101e 1559 }
9399627f 1560 return;
dea3101e 1561}
1562
618a5230
JS		 1563/**
1564 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
1565 * @phba: pointer to lpfc hba data structure.
1566 * @mbx_action: flag for mailbox shutdown action.
1567 *
1568 * This routine is invoked to perform an SLI4 port PCI function reset in
1569 * response to port status register polling attention. It waits for port
1570 * status register (ERR, RDY, RN) bits before proceeding with function reset.
1571 * During this process, interrupt vectors are freed and later requested
1572 * for handling possible port resource change.
1573 **/
1574static int
e10b2022
JS		 1575lpfc_sli4_port_sta_fn_reset(struct lpfc_hba *phba, int mbx_action,
1576 bool en_rn_msg)
618a5230
JS		 1577{
1578 int rc;
1579 uint32_t intr_mode;
1580
1581 /*
1582 * On error status condition, driver need to wait for port
1583 * ready before performing reset.
1584 */
1585 rc = lpfc_sli4_pdev_status_reg_wait(phba);
1586 if (!rc) {
1587 /* need reset: attempt for port recovery */
e10b2022
JS		 1588 if (en_rn_msg)
1589 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1590 "2887 Reset Needed: Attempting Port "
1591 "Recovery...\n");
618a5230
JS		 1592 lpfc_offline_prep(phba, mbx_action);
1593 lpfc_offline(phba);
1594 /* release interrupt for possible resource change */
1595 lpfc_sli4_disable_intr(phba);
1596 lpfc_sli_brdrestart(phba);
1597 /* request and enable interrupt */
1598 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
1599 if (intr_mode == LPFC_INTR_ERROR) {
1600 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1601 "3175 Failed to enable interrupt\n");
1602 return -EIO;
1603 } else {
1604 phba->intr_mode = intr_mode;
1605 }
1606 rc = lpfc_online(phba);
1607 if (rc == 0)
1608 lpfc_unblock_mgmt_io(phba);
1609 }
1610 return rc;
1611}
1612
da0436e9
JS		 1613/**
1614 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1615 * @phba: pointer to lpfc hba data structure.
1616 *
1617 * This routine is invoked to handle the SLI4 HBA hardware error attention
1618 * conditions.
1619 **/
1620static void
1621lpfc_handle_eratt_s4(struct lpfc_hba *phba)
1622{
1623 struct lpfc_vport *vport = phba->pport;
1624 uint32_t event_data;
1625 struct Scsi_Host *shost;
2fcee4bf 1626 uint32_t if_type;
2e90f4b5
JS		 1627 struct lpfc_register portstat_reg = {0};
1628 uint32_t reg_err1, reg_err2;
1629 uint32_t uerrlo_reg, uemasklo_reg;
1630 uint32_t pci_rd_rc1, pci_rd_rc2;
e10b2022 1631 bool en_rn_msg = true;
73d91e50 1632 int rc;
da0436e9
JS		 1633
1634 /* If the pci channel is offline, ignore possible errors, since
1635 * we cannot communicate with the pci card anyway.
1636 */
1637 if (pci_channel_offline(phba->pcidev))
1638 return;
1639 /* If resets are disabled then leave the HBA alone and return */
1640 if (!phba->cfg_enable_hba_reset)
1641 return;
1642
2fcee4bf
JS		 1643 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
1644 switch (if_type) {
1645 case LPFC_SLI_INTF_IF_TYPE_0:
2e90f4b5
JS		 1646 pci_rd_rc1 = lpfc_readl(
1647 phba->sli4_hba.u.if_type0.UERRLOregaddr,
1648 &uerrlo_reg);
1649 pci_rd_rc2 = lpfc_readl(
1650 phba->sli4_hba.u.if_type0.UEMASKLOregaddr,
1651 &uemasklo_reg);
1652 /* consider PCI bus read error as pci_channel_offline */
1653 if (pci_rd_rc1 == -EIO && pci_rd_rc2 == -EIO)
1654 return;
2fcee4bf
JS		 1655 lpfc_sli4_offline_eratt(phba);
1656 break;
1657 case LPFC_SLI_INTF_IF_TYPE_2:
2e90f4b5
JS		 1658 pci_rd_rc1 = lpfc_readl(
1659 phba->sli4_hba.u.if_type2.STATUSregaddr,
1660 &portstat_reg.word0);
1661 /* consider PCI bus read error as pci_channel_offline */
6b5151fd
JS		 1662 if (pci_rd_rc1 == -EIO) {
1663 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1664 "3151 PCI bus read access failure: x%x\n",
1665 readl(phba->sli4_hba.u.if_type2.STATUSregaddr));
2e90f4b5 1666 return;
6b5151fd 1667 }
2e90f4b5
JS		 1668 reg_err1 = readl(phba->sli4_hba.u.if_type2.ERR1regaddr);
1669 reg_err2 = readl(phba->sli4_hba.u.if_type2.ERR2regaddr);
2fcee4bf
JS		 1670 if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) {
1671 /* TODO: Register for Overtemp async events. */
1672 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1673 "2889 Port Overtemperature event, "
026abb87 1674 "taking port offline\n");
2fcee4bf
JS		 1675 spin_lock_irq(&phba->hbalock);
1676 phba->over_temp_state = HBA_OVER_TEMP;
1677 spin_unlock_irq(&phba->hbalock);
1678 lpfc_sli4_offline_eratt(phba);
2e90f4b5 1679 break;
2fcee4bf 1680 }
2e90f4b5 1681 if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
e10b2022 1682 reg_err2 == SLIPORT_ERR2_REG_FW_RESTART) {
2e90f4b5 1683 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e10b2022
JS		 1684 "3143 Port Down: Firmware Update "
1685 "Detected\n");
1686 en_rn_msg = false;
1687 } else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
2e90f4b5
JS		 1688 reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
1689 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1690 "3144 Port Down: Debug Dump\n");
1691 else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1692 reg_err2 == SLIPORT_ERR2_REG_FUNC_PROVISON)
1693 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1694 "3145 Port Down: Provisioning\n");
618a5230
JS		 1695
1696 /* Check port status register for function reset */
e10b2022
JS		 1697 rc = lpfc_sli4_port_sta_fn_reset(phba, LPFC_MBX_NO_WAIT,
1698 en_rn_msg);
618a5230
JS		 1699 if (rc == 0) {
1700 /* don't report event on forced debug dump */
1701 if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1702 reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
1703 return;
1704 else
1705 break;
2fcee4bf 1706 }
618a5230 1707 /* fall through for not able to recover */
6b5151fd
JS		 1708 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1709 "3152 Unrecoverable error, bring the port "
1710 "offline\n");
2fcee4bf
JS		 1711 lpfc_sli4_offline_eratt(phba);
1712 break;
1713 case LPFC_SLI_INTF_IF_TYPE_1:
1714 default:
1715 break;
1716 }
2e90f4b5
JS		 1717 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1718 "3123 Report dump event to upper layer\n");
1719 /* Send an internal error event to mgmt application */
1720 lpfc_board_errevt_to_mgmt(phba);
1721
1722 event_data = FC_REG_DUMP_EVENT;
1723 shost = lpfc_shost_from_vport(vport);
1724 fc_host_post_vendor_event(shost, fc_get_event_number(),
1725 sizeof(event_data), (char *) &event_data,
1726 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
da0436e9
JS		 1727}
1728
1729/**
1730 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1731 * @phba: pointer to lpfc HBA data structure.
1732 *
1733 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1734 * routine from the API jump table function pointer from the lpfc_hba struct.
1735 *
1736 * Return codes
af901ca1 1737 * 0 - success.
da0436e9
JS		 1738 * Any other value - error.
1739 **/
1740void
1741lpfc_handle_eratt(struct lpfc_hba *phba)
1742{
1743 (*phba->lpfc_handle_eratt)(phba);
1744}
1745
e59058c4 1746/**
3621a710 1747 * lpfc_handle_latt - The HBA link event handler
e59058c4
JS		 1748 * @phba: pointer to lpfc hba data structure.
1749 *
1750 * This routine is invoked from the worker thread to handle a HBA host
1751 * attention link event.
1752 **/
dea3101e 1753void
2e0fef85 1754lpfc_handle_latt(struct lpfc_hba *phba)
dea3101e 1755{
2e0fef85
JS		 1756 struct lpfc_vport *vport = phba->pport;
1757 struct lpfc_sli *psli = &phba->sli;
dea3101e 1758 LPFC_MBOXQ_t *pmb;
1759 volatile uint32_t control;
1760 struct lpfc_dmabuf *mp;
09372820 1761 int rc = 0;
dea3101e 1762
1763 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
09372820
JS		 1764 if (!pmb) {
1765 rc = 1;
dea3101e 1766 goto lpfc_handle_latt_err_exit;
09372820 1767 }
dea3101e 1768
1769 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
09372820
JS		 1770 if (!mp) {
1771 rc = 2;
dea3101e 1772 goto lpfc_handle_latt_free_pmb;
09372820 1773 }
dea3101e 1774
1775 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
09372820
JS		 1776 if (!mp->virt) {
1777 rc = 3;
dea3101e 1778 goto lpfc_handle_latt_free_mp;
09372820 1779 }
dea3101e 1780
6281bfe0 1781 /* Cleanup any outstanding ELS commands */
549e55cd 1782 lpfc_els_flush_all_cmd(phba);
dea3101e 1783
1784 psli->slistat.link_event++;
76a95d75
JS		 1785 lpfc_read_topology(phba, pmb, mp);
1786 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
2e0fef85 1787 pmb->vport = vport;
0d2b6b83
JS		 1788 /* Block ELS IOCBs until we have processed this mbox command */
1789 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
0b727fea 1790 rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
09372820
JS		 1791 if (rc == MBX_NOT_FINISHED) {
1792 rc = 4;
14691150 1793 goto lpfc_handle_latt_free_mbuf;
09372820 1794 }
dea3101e 1795
1796 /* Clear Link Attention in HA REG */
2e0fef85 1797 spin_lock_irq(&phba->hbalock);
dea3101e 1798 writel(HA_LATT, phba->HAregaddr);
1799 readl(phba->HAregaddr); /* flush */
2e0fef85 1800 spin_unlock_irq(&phba->hbalock);
dea3101e 1801
1802 return;
1803
14691150 1804lpfc_handle_latt_free_mbuf:
0d2b6b83 1805 phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT;
14691150 1806 lpfc_mbuf_free(phba, mp->virt, mp->phys);
dea3101e 1807lpfc_handle_latt_free_mp:
1808 kfree(mp);
1809lpfc_handle_latt_free_pmb:
1dcb58e5 1810 mempool_free(pmb, phba->mbox_mem_pool);
dea3101e 1811lpfc_handle_latt_err_exit:
1812 /* Enable Link attention interrupts */
2e0fef85 1813 spin_lock_irq(&phba->hbalock);
dea3101e 1814 psli->sli_flag |= LPFC_PROCESS_LA;
1815 control = readl(phba->HCregaddr);
1816 control |= HC_LAINT_ENA;
1817 writel(control, phba->HCregaddr);
1818 readl(phba->HCregaddr); /* flush */
1819
1820 /* Clear Link Attention in HA REG */
1821 writel(HA_LATT, phba->HAregaddr);
1822 readl(phba->HAregaddr); /* flush */
2e0fef85 1823 spin_unlock_irq(&phba->hbalock);
dea3101e 1824 lpfc_linkdown(phba);
2e0fef85 1825 phba->link_state = LPFC_HBA_ERROR;
dea3101e 1826
09372820
JS		 1827 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1828 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);
dea3101e 1829
1830 return;
1831}
1832
e59058c4 1833/**
3621a710 1834 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
e59058c4
JS		 1835 * @phba: pointer to lpfc hba data structure.
1836 * @vpd: pointer to the vital product data.
1837 * @len: length of the vital product data in bytes.
1838 *
1839 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1840 * an array of characters. In this routine, the ModelName, ProgramType, and
1841 * ModelDesc, etc. fields of the phba data structure will be populated.
1842 *
1843 * Return codes
1844 * 0 - pointer to the VPD passed in is NULL
1845 * 1 - success
1846 **/
3772a991 1847int
2e0fef85 1848lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
dea3101e 1849{
1850 uint8_t lenlo, lenhi;
07da60c1 1851 int Length;
dea3101e 1852 int i, j;
1853 int finished = 0;
1854 int index = 0;
1855
1856 if (!vpd)
1857 return 0;
1858
1859 /* Vital Product */
ed957684 1860 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011 1861 "0455 Vital Product Data: x%x x%x x%x x%x\n",
dea3101e 1862 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
1863 (uint32_t) vpd[3]);
74b72a59 1864 while (!finished && (index < (len - 4))) {
dea3101e 1865 switch (vpd[index]) {
1866 case 0x82:
74b72a59 1867 case 0x91:
dea3101e 1868 index += 1;
1869 lenlo = vpd[index];
1870 index += 1;
1871 lenhi = vpd[index];
1872 index += 1;
1873 i = ((((unsigned short)lenhi) << 8) + lenlo);
1874 index += i;
1875 break;
1876 case 0x90:
1877 index += 1;
1878 lenlo = vpd[index];
1879 index += 1;
1880 lenhi = vpd[index];
1881 index += 1;
1882 Length = ((((unsigned short)lenhi) << 8) + lenlo);
74b72a59
JW		 1883 if (Length > len - index)
1884 Length = len - index;
dea3101e 1885 while (Length > 0) {
1886 /* Look for Serial Number */
1887 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
1888 index += 2;
1889 i = vpd[index];
1890 index += 1;
1891 j = 0;
1892 Length -= (3+i);
1893 while(i--) {
1894 phba->SerialNumber[j++] = vpd[index++];
1895 if (j == 31)
1896 break;
1897 }
1898 phba->SerialNumber[j] = 0;
1899 continue;
1900 }
1901 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
1902 phba->vpd_flag |= VPD_MODEL_DESC;
1903 index += 2;
1904 i = vpd[index];
1905 index += 1;
1906 j = 0;
1907 Length -= (3+i);
1908 while(i--) {
1909 phba->ModelDesc[j++] = vpd[index++];
1910 if (j == 255)
1911 break;
1912 }
1913 phba->ModelDesc[j] = 0;
1914 continue;
1915 }
1916 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
1917 phba->vpd_flag |= VPD_MODEL_NAME;
1918 index += 2;
1919 i = vpd[index];
1920 index += 1;
1921 j = 0;
1922 Length -= (3+i);
1923 while(i--) {
1924 phba->ModelName[j++] = vpd[index++];
1925 if (j == 79)
1926 break;
1927 }
1928 phba->ModelName[j] = 0;
1929 continue;
1930 }
1931 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
1932 phba->vpd_flag |= VPD_PROGRAM_TYPE;
1933 index += 2;
1934 i = vpd[index];
1935 index += 1;
1936 j = 0;
1937 Length -= (3+i);
1938 while(i--) {
1939 phba->ProgramType[j++] = vpd[index++];
1940 if (j == 255)
1941 break;
1942 }
1943 phba->ProgramType[j] = 0;
1944 continue;
1945 }
1946 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
1947 phba->vpd_flag |= VPD_PORT;
1948 index += 2;
1949 i = vpd[index];
1950 index += 1;
1951 j = 0;
1952 Length -= (3+i);
1953 while(i--) {
cd1c8301
JS		 1954 if ((phba->sli_rev == LPFC_SLI_REV4) &&
1955 (phba->sli4_hba.pport_name_sta ==
1956 LPFC_SLI4_PPNAME_GET)) {
1957 j++;
1958 index++;
1959 } else
1960 phba->Port[j++] = vpd[index++];
1961 if (j == 19)
1962 break;
dea3101e 1963 }
cd1c8301
JS		 1964 if ((phba->sli_rev != LPFC_SLI_REV4) ||
1965 (phba->sli4_hba.pport_name_sta ==
1966 LPFC_SLI4_PPNAME_NON))
1967 phba->Port[j] = 0;
dea3101e 1968 continue;
1969 }
1970 else {
1971 index += 2;
1972 i = vpd[index];
1973 index += 1;
1974 index += i;
1975 Length -= (3 + i);
1976 }
1977 }
1978 finished = 0;
1979 break;
1980 case 0x78:
1981 finished = 1;
1982 break;
1983 default:
1984 index ++;
1985 break;
1986 }
74b72a59 1987 }
dea3101e 1988
1989 return(1);
1990}
1991
e59058c4 1992/**
3621a710 1993 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
e59058c4
JS		 1994 * @phba: pointer to lpfc hba data structure.
1995 * @mdp: pointer to the data structure to hold the derived model name.
1996 * @descp: pointer to the data structure to hold the derived description.
1997 *
1998 * This routine retrieves HBA's description based on its registered PCI device
1999 * ID. The @descp passed into this function points to an array of 256 chars. It
2000 * shall be returned with the model name, maximum speed, and the host bus type.
2001 * The @mdp passed into this function points to an array of 80 chars. When the
2002 * function returns, the @mdp will be filled with the model name.
2003 **/
dea3101e 2004static void
2e0fef85 2005lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
dea3101e 2006{
2007 lpfc_vpd_t *vp;
fefcb2b6 2008 uint16_t dev_id = phba->pcidev->device;
74b72a59 2009 int max_speed;
84774a4d 2010 int GE = 0;
da0436e9 2011 int oneConnect = 0; /* default is not a oneConnect */
74b72a59 2012 struct {
a747c9ce
JS		 2013 char *name;
2014 char *bus;
2015 char *function;
2016 } m = {"<Unknown>", "", ""};
74b72a59
JW		 2017
2018 if (mdp && mdp[0] != '\0'
2019 && descp && descp[0] != '\0')
2020 return;
2021
c0c11512
JS		 2022 if (phba->lmt & LMT_16Gb)
2023 max_speed = 16;
2024 else if (phba->lmt & LMT_10Gb)
74b72a59
JW		 2025 max_speed = 10;
2026 else if (phba->lmt & LMT_8Gb)
2027 max_speed = 8;
2028 else if (phba->lmt & LMT_4Gb)
2029 max_speed = 4;
2030 else if (phba->lmt & LMT_2Gb)
2031 max_speed = 2;
4169d868 2032 else if (phba->lmt & LMT_1Gb)
74b72a59 2033 max_speed = 1;
4169d868
JS		 2034 else
2035 max_speed = 0;
dea3101e 2036
2037 vp = &phba->vpd;
dea3101e 2038
e4adb204 2039 switch (dev_id) {
06325e74 2040 case PCI_DEVICE_ID_FIREFLY:
12222f4f
JS		 2041 m = (typeof(m)){"LP6000", "PCI",
2042 "Obsolete, Unsupported Fibre Channel Adapter"};
06325e74 2043 break;
dea3101e 2044 case PCI_DEVICE_ID_SUPERFLY:
2045 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
12222f4f 2046 m = (typeof(m)){"LP7000", "PCI", ""};
dea3101e 2047 else
12222f4f
JS		 2048 m = (typeof(m)){"LP7000E", "PCI", ""};
2049 m.function = "Obsolete, Unsupported Fibre Channel Adapter";
dea3101e 2050 break;
2051 case PCI_DEVICE_ID_DRAGONFLY:
a747c9ce 2052 m = (typeof(m)){"LP8000", "PCI",
12222f4f 2053 "Obsolete, Unsupported Fibre Channel Adapter"};
dea3101e 2054 break;
2055 case PCI_DEVICE_ID_CENTAUR:
2056 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
12222f4f 2057 m = (typeof(m)){"LP9002", "PCI", ""};
dea3101e 2058 else
12222f4f
JS		 2059 m = (typeof(m)){"LP9000", "PCI", ""};
2060 m.function = "Obsolete, Unsupported Fibre Channel Adapter";
dea3101e 2061 break;
2062 case PCI_DEVICE_ID_RFLY:
a747c9ce 2063 m = (typeof(m)){"LP952", "PCI",
12222f4f 2064 "Obsolete, Unsupported Fibre Channel Adapter"};
dea3101e 2065 break;
2066 case PCI_DEVICE_ID_PEGASUS:
a747c9ce 2067 m = (typeof(m)){"LP9802", "PCI-X",
12222f4f 2068 "Obsolete, Unsupported Fibre Channel Adapter"};
dea3101e 2069 break;
2070 case PCI_DEVICE_ID_THOR:
a747c9ce 2071 m = (typeof(m)){"LP10000", "PCI-X",
12222f4f 2072 "Obsolete, Unsupported Fibre Channel Adapter"};
dea3101e 2073 break;
2074 case PCI_DEVICE_ID_VIPER:
a747c9ce 2075 m = (typeof(m)){"LPX1000", "PCI-X",
12222f4f 2076 "Obsolete, Unsupported Fibre Channel Adapter"};
dea3101e 2077 break;
2078 case PCI_DEVICE_ID_PFLY:
a747c9ce 2079 m = (typeof(m)){"LP982", "PCI-X",
12222f4f 2080 "Obsolete, Unsupported Fibre Channel Adapter"};
dea3101e 2081 break;
2082 case PCI_DEVICE_ID_TFLY:
a747c9ce 2083 m = (typeof(m)){"LP1050", "PCI-X",
12222f4f 2084 "Obsolete, Unsupported Fibre Channel Adapter"};
dea3101e 2085 break;
2086 case PCI_DEVICE_ID_HELIOS:
a747c9ce 2087 m = (typeof(m)){"LP11000", "PCI-X2",
12222f4f 2088 "Obsolete, Unsupported Fibre Channel Adapter"};
dea3101e 2089 break;
e4adb204 2090 case PCI_DEVICE_ID_HELIOS_SCSP:
a747c9ce 2091 m = (typeof(m)){"LP11000-SP", "PCI-X2",
12222f4f 2092 "Obsolete, Unsupported Fibre Channel Adapter"};
e4adb204
JSEC		 2093 break;
2094 case PCI_DEVICE_ID_HELIOS_DCSP:
a747c9ce 2095 m = (typeof(m)){"LP11002-SP", "PCI-X2",
12222f4f 2096 "Obsolete, Unsupported Fibre Channel Adapter"};
e4adb204
JSEC		 2097 break;
2098 case PCI_DEVICE_ID_NEPTUNE:
12222f4f
JS		 2099 m = (typeof(m)){"LPe1000", "PCIe",
2100 "Obsolete, Unsupported Fibre Channel Adapter"};
e4adb204
JSEC		 2101 break;
2102 case PCI_DEVICE_ID_NEPTUNE_SCSP:
12222f4f
JS		 2103 m = (typeof(m)){"LPe1000-SP", "PCIe",
2104 "Obsolete, Unsupported Fibre Channel Adapter"};
e4adb204
JSEC		 2105 break;
2106 case PCI_DEVICE_ID_NEPTUNE_DCSP:
12222f4f
JS		 2107 m = (typeof(m)){"LPe1002-SP", "PCIe",
2108 "Obsolete, Unsupported Fibre Channel Adapter"};
e4adb204 2109 break;
dea3101e 2110 case PCI_DEVICE_ID_BMID:
a747c9ce 2111 m = (typeof(m)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
dea3101e 2112 break;
2113 case PCI_DEVICE_ID_BSMB:
12222f4f
JS		 2114 m = (typeof(m)){"LP111", "PCI-X2",
2115 "Obsolete, Unsupported Fibre Channel Adapter"};
dea3101e 2116 break;
2117 case PCI_DEVICE_ID_ZEPHYR:
a747c9ce 2118 m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
dea3101e 2119 break;
e4adb204 2120 case PCI_DEVICE_ID_ZEPHYR_SCSP:
a747c9ce 2121 m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
e4adb204
JSEC		 2122 break;
2123 case PCI_DEVICE_ID_ZEPHYR_DCSP:
a747c9ce 2124 m = (typeof(m)){"LP2105", "PCIe", "FCoE Adapter"};
a257bf90 2125 GE = 1;
e4adb204 2126 break;
dea3101e 2127 case PCI_DEVICE_ID_ZMID:
a747c9ce 2128 m = (typeof(m)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
dea3101e 2129 break;
2130 case PCI_DEVICE_ID_ZSMB:
a747c9ce 2131 m = (typeof(m)){"LPe111", "PCIe", "Fibre Channel Adapter"};
dea3101e 2132 break;
2133 case PCI_DEVICE_ID_LP101:
12222f4f
JS		 2134 m = (typeof(m)){"LP101", "PCI-X",
2135 "Obsolete, Unsupported Fibre Channel Adapter"};
dea3101e 2136 break;
2137 case PCI_DEVICE_ID_LP10000S:
12222f4f
JS		 2138 m = (typeof(m)){"LP10000-S", "PCI",
2139 "Obsolete, Unsupported Fibre Channel Adapter"};
06325e74 2140 break;
e4adb204 2141 case PCI_DEVICE_ID_LP11000S:
12222f4f
JS		 2142 m = (typeof(m)){"LP11000-S", "PCI-X2",
2143 "Obsolete, Unsupported Fibre Channel Adapter"};
18a3b596 2144 break;
e4adb204 2145 case PCI_DEVICE_ID_LPE11000S:
12222f4f
JS		 2146 m = (typeof(m)){"LPe11000-S", "PCIe",
2147 "Obsolete, Unsupported Fibre Channel Adapter"};
5cc36b3c 2148 break;
b87eab38 2149 case PCI_DEVICE_ID_SAT:
a747c9ce 2150 m = (typeof(m)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2151 break;
2152 case PCI_DEVICE_ID_SAT_MID:
a747c9ce 2153 m = (typeof(m)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2154 break;
2155 case PCI_DEVICE_ID_SAT_SMB:
a747c9ce 2156 m = (typeof(m)){"LPe121", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2157 break;
2158 case PCI_DEVICE_ID_SAT_DCSP:
a747c9ce 2159 m = (typeof(m)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2160 break;
2161 case PCI_DEVICE_ID_SAT_SCSP:
a747c9ce 2162 m = (typeof(m)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2163 break;
2164 case PCI_DEVICE_ID_SAT_S:
a747c9ce 2165 m = (typeof(m)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
b87eab38 2166 break;
84774a4d 2167 case PCI_DEVICE_ID_HORNET:
12222f4f
JS		 2168 m = (typeof(m)){"LP21000", "PCIe",
2169 "Obsolete, Unsupported FCoE Adapter"};
84774a4d
JS		 2170 GE = 1;
2171 break;
2172 case PCI_DEVICE_ID_PROTEUS_VF:
a747c9ce 2173 m = (typeof(m)){"LPev12000", "PCIe IOV",
12222f4f 2174 "Obsolete, Unsupported Fibre Channel Adapter"};
84774a4d
JS		 2175 break;
2176 case PCI_DEVICE_ID_PROTEUS_PF:
a747c9ce 2177 m = (typeof(m)){"LPev12000", "PCIe IOV",
12222f4f 2178 "Obsolete, Unsupported Fibre Channel Adapter"};
84774a4d
JS		 2179 break;
2180 case PCI_DEVICE_ID_PROTEUS_S:
a747c9ce 2181 m = (typeof(m)){"LPemv12002-S", "PCIe IOV",
12222f4f 2182 "Obsolete, Unsupported Fibre Channel Adapter"};
84774a4d 2183 break;
da0436e9
JS		 2184 case PCI_DEVICE_ID_TIGERSHARK:
2185 oneConnect = 1;
a747c9ce 2186 m = (typeof(m)){"OCe10100", "PCIe", "FCoE"};
da0436e9 2187 break;
a747c9ce 2188 case PCI_DEVICE_ID_TOMCAT:
6669f9bb 2189 oneConnect = 1;
a747c9ce
JS		 2190 m = (typeof(m)){"OCe11100", "PCIe", "FCoE"};
2191 break;
2192 case PCI_DEVICE_ID_FALCON:
2193 m = (typeof(m)){"LPSe12002-ML1-E", "PCIe",
2194 "EmulexSecure Fibre"};
6669f9bb 2195 break;
98fc5dd9
JS		 2196 case PCI_DEVICE_ID_BALIUS:
2197 m = (typeof(m)){"LPVe12002", "PCIe Shared I/O",
12222f4f 2198 "Obsolete, Unsupported Fibre Channel Adapter"};
98fc5dd9 2199 break;
085c647c 2200 case PCI_DEVICE_ID_LANCER_FC:
c0c11512 2201 m = (typeof(m)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
085c647c 2202 break;
12222f4f
JS		 2203 case PCI_DEVICE_ID_LANCER_FC_VF:
2204 m = (typeof(m)){"LPe16000", "PCIe",
2205 "Obsolete, Unsupported Fibre Channel Adapter"};
2206 break;
085c647c
JS		 2207 case PCI_DEVICE_ID_LANCER_FCOE:
2208 oneConnect = 1;
079b5c91 2209 m = (typeof(m)){"OCe15100", "PCIe", "FCoE"};
085c647c 2210 break;
12222f4f
JS		 2211 case PCI_DEVICE_ID_LANCER_FCOE_VF:
2212 oneConnect = 1;
2213 m = (typeof(m)){"OCe15100", "PCIe",
2214 "Obsolete, Unsupported FCoE"};
2215 break;
f8cafd38
JS		 2216 case PCI_DEVICE_ID_SKYHAWK:
2217 case PCI_DEVICE_ID_SKYHAWK_VF:
2218 oneConnect = 1;
2219 m = (typeof(m)){"OCe14000", "PCIe", "FCoE"};
2220 break;
5cc36b3c 2221 default:
a747c9ce 2222 m = (typeof(m)){"Unknown", "", ""};
e4adb204 2223 break;
dea3101e 2224 }
74b72a59
JW		 2225
2226 if (mdp && mdp[0] == '\0')
2227 snprintf(mdp, 79,"%s", m.name);
c0c11512
JS		 2228 /*
2229 * oneConnect hba requires special processing, they are all initiators
da0436e9
JS		 2230 * and we put the port number on the end
2231 */
2232 if (descp && descp[0] == '\0') {
2233 if (oneConnect)
2234 snprintf(descp, 255,
4169d868 2235 "Emulex OneConnect %s, %s Initiator %s",
a747c9ce 2236 m.name, m.function,
da0436e9 2237 phba->Port);
4169d868
JS		 2238 else if (max_speed == 0)
2239 snprintf(descp, 255,
2240 "Emulex %s %s %s ",
2241 m.name, m.bus, m.function);
da0436e9
JS		 2242 else
2243 snprintf(descp, 255,
2244 "Emulex %s %d%s %s %s",
a747c9ce
JS		 2245 m.name, max_speed, (GE) ? "GE" : "Gb",
2246 m.bus, m.function);
da0436e9 2247 }
dea3101e 2248}
2249
e59058c4 2250/**
3621a710 2251 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
e59058c4
JS		 2252 * @phba: pointer to lpfc hba data structure.
2253 * @pring: pointer to a IOCB ring.
2254 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2255 *
2256 * This routine posts a given number of IOCBs with the associated DMA buffer
2257 * descriptors specified by the cnt argument to the given IOCB ring.
2258 *
2259 * Return codes
2260 * The number of IOCBs NOT able to be posted to the IOCB ring.
2261 **/
dea3101e 2262int
495a714c 2263lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt)
dea3101e 2264{
2265 IOCB_t *icmd;
0bd4ca25 2266 struct lpfc_iocbq *iocb;
dea3101e 2267 struct lpfc_dmabuf *mp1, *mp2;
2268
2269 cnt += pring->missbufcnt;
2270
2271 /* While there are buffers to post */
2272 while (cnt > 0) {
2273 /* Allocate buffer for command iocb */
0bd4ca25 2274 iocb = lpfc_sli_get_iocbq(phba);
dea3101e 2275 if (iocb == NULL) {
2276 pring->missbufcnt = cnt;
2277 return cnt;
2278 }
dea3101e 2279 icmd = &iocb->iocb;
2280
2281 /* 2 buffers can be posted per command */
2282 /* Allocate buffer to post */
2283 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
2284 if (mp1)
98c9ea5c
JS		 2285 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
2286 if (!mp1 || !mp1->virt) {
c9475cb0 2287 kfree(mp1);
604a3e30 2288 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 2289 pring->missbufcnt = cnt;
2290 return cnt;
2291 }
2292
2293 INIT_LIST_HEAD(&mp1->list);
2294 /* Allocate buffer to post */
2295 if (cnt > 1) {
2296 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
2297 if (mp2)
2298 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
2299 &mp2->phys);
98c9ea5c 2300 if (!mp2 || !mp2->virt) {
c9475cb0 2301 kfree(mp2);
dea3101e 2302 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
2303 kfree(mp1);
604a3e30 2304 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 2305 pring->missbufcnt = cnt;
2306 return cnt;
2307 }
2308
2309 INIT_LIST_HEAD(&mp2->list);
2310 } else {
2311 mp2 = NULL;
2312 }
2313
2314 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
2315 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
2316 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
2317 icmd->ulpBdeCount = 1;
2318 cnt--;
2319 if (mp2) {
2320 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
2321 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
2322 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
2323 cnt--;
2324 icmd->ulpBdeCount = 2;
2325 }
2326
2327 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
2328 icmd->ulpLe = 1;
2329
3772a991
JS		 2330 if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) ==
2331 IOCB_ERROR) {
dea3101e 2332 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
2333 kfree(mp1);
2334 cnt++;
2335 if (mp2) {
2336 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
2337 kfree(mp2);
2338 cnt++;
2339 }
604a3e30 2340 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 2341 pring->missbufcnt = cnt;
dea3101e 2342 return cnt;
2343 }
dea3101e 2344 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
92d7f7b0 2345 if (mp2)
dea3101e 2346 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
dea3101e 2347 }
2348 pring->missbufcnt = 0;
2349 return 0;
2350}
2351
e59058c4 2352/**
3621a710 2353 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
e59058c4
JS		 2354 * @phba: pointer to lpfc hba data structure.
2355 *
2356 * This routine posts initial receive IOCB buffers to the ELS ring. The
2357 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2358 * set to 64 IOCBs.
2359 *
2360 * Return codes
2361 * 0 - success (currently always success)
2362 **/
dea3101e 2363static int
2e0fef85 2364lpfc_post_rcv_buf(struct lpfc_hba *phba)
dea3101e 2365{
2366 struct lpfc_sli *psli = &phba->sli;
2367
2368 /* Ring 0, ELS / CT buffers */
495a714c 2369 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0);
dea3101e 2370 /* Ring 2 - FCP no buffers needed */
2371
2372 return 0;
2373}
2374
2375#define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2376
e59058c4 2377/**
3621a710 2378 * lpfc_sha_init - Set up initial array of hash table entries
e59058c4
JS		 2379 * @HashResultPointer: pointer to an array as hash table.
2380 *
2381 * This routine sets up the initial values to the array of hash table entries
2382 * for the LC HBAs.
2383 **/
dea3101e 2384static void
2385lpfc_sha_init(uint32_t * HashResultPointer)
2386{
2387 HashResultPointer[0] = 0x67452301;
2388 HashResultPointer[1] = 0xEFCDAB89;
2389 HashResultPointer[2] = 0x98BADCFE;
2390 HashResultPointer[3] = 0x10325476;
2391 HashResultPointer[4] = 0xC3D2E1F0;
2392}
2393
e59058c4 2394/**
3621a710 2395 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
e59058c4
JS		 2396 * @HashResultPointer: pointer to an initial/result hash table.
2397 * @HashWorkingPointer: pointer to an working hash table.
2398 *
2399 * This routine iterates an initial hash table pointed by @HashResultPointer
2400 * with the values from the working hash table pointeed by @HashWorkingPointer.
2401 * The results are putting back to the initial hash table, returned through
2402 * the @HashResultPointer as the result hash table.
2403 **/
dea3101e 2404static void
2405lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
2406{
2407 int t;
2408 uint32_t TEMP;
2409 uint32_t A, B, C, D, E;
2410 t = 16;
2411 do {
2412 HashWorkingPointer[t] =
2413 S(1,
2414 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
2415 8] ^
2416 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
2417 } while (++t <= 79);
2418 t = 0;
2419 A = HashResultPointer[0];
2420 B = HashResultPointer[1];
2421 C = HashResultPointer[2];
2422 D = HashResultPointer[3];
2423 E = HashResultPointer[4];
2424
2425 do {
2426 if (t < 20) {
2427 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
2428 } else if (t < 40) {
2429 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
2430 } else if (t < 60) {
2431 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
2432 } else {
2433 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
2434 }
2435 TEMP += S(5, A) + E + HashWorkingPointer[t];
2436 E = D;
2437 D = C;
2438 C = S(30, B);
2439 B = A;
2440 A = TEMP;
2441 } while (++t <= 79);
2442
2443 HashResultPointer[0] += A;
2444 HashResultPointer[1] += B;
2445 HashResultPointer[2] += C;
2446 HashResultPointer[3] += D;
2447 HashResultPointer[4] += E;
2448
2449}
2450
e59058c4 2451/**
3621a710 2452 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
e59058c4
JS		 2453 * @RandomChallenge: pointer to the entry of host challenge random number array.
2454 * @HashWorking: pointer to the entry of the working hash array.
2455 *
2456 * This routine calculates the working hash array referred by @HashWorking
2457 * from the challenge random numbers associated with the host, referred by
2458 * @RandomChallenge. The result is put into the entry of the working hash
2459 * array and returned by reference through @HashWorking.
2460 **/
dea3101e 2461static void
2462lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
2463{
2464 *HashWorking = (*RandomChallenge ^ *HashWorking);
2465}
2466
e59058c4 2467/**
3621a710 2468 * lpfc_hba_init - Perform special handling for LC HBA initialization
e59058c4
JS		 2469 * @phba: pointer to lpfc hba data structure.
2470 * @hbainit: pointer to an array of unsigned 32-bit integers.
2471 *
2472 * This routine performs the special handling for LC HBA initialization.
2473 **/
dea3101e 2474void
2475lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
2476{
2477 int t;
2478 uint32_t *HashWorking;
2e0fef85 2479 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
dea3101e 2480
bbfbbbc1 2481 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
dea3101e 2482 if (!HashWorking)
2483 return;
2484
dea3101e 2485 HashWorking[0] = HashWorking[78] = *pwwnn++;
2486 HashWorking[1] = HashWorking[79] = *pwwnn;
2487
2488 for (t = 0; t < 7; t++)
2489 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
2490
2491 lpfc_sha_init(hbainit);
2492 lpfc_sha_iterate(hbainit, HashWorking);
2493 kfree(HashWorking);
2494}
2495
e59058c4 2496/**
3621a710 2497 * lpfc_cleanup - Performs vport cleanups before deleting a vport
e59058c4
JS		 2498 * @vport: pointer to a virtual N_Port data structure.
2499 *
2500 * This routine performs the necessary cleanups before deleting the @vport.
2501 * It invokes the discovery state machine to perform necessary state
2502 * transitions and to release the ndlps associated with the @vport. Note,
2503 * the physical port is treated as @vport 0.
2504 **/
87af33fe 2505void
2e0fef85 2506lpfc_cleanup(struct lpfc_vport *vport)
dea3101e 2507{
87af33fe 2508 struct lpfc_hba *phba = vport->phba;
dea3101e 2509 struct lpfc_nodelist *ndlp, *next_ndlp;
a8adb832 2510 int i = 0;
dea3101e 2511
87af33fe
JS		 2512 if (phba->link_state > LPFC_LINK_DOWN)
2513 lpfc_port_link_failure(vport);
2514
2515 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
e47c9093
JS		 2516 if (!NLP_CHK_NODE_ACT(ndlp)) {
2517 ndlp = lpfc_enable_node(vport, ndlp,
2518 NLP_STE_UNUSED_NODE);
2519 if (!ndlp)
2520 continue;
2521 spin_lock_irq(&phba->ndlp_lock);
2522 NLP_SET_FREE_REQ(ndlp);
2523 spin_unlock_irq(&phba->ndlp_lock);
2524 /* Trigger the release of the ndlp memory */
2525 lpfc_nlp_put(ndlp);
2526 continue;
2527 }
2528 spin_lock_irq(&phba->ndlp_lock);
2529 if (NLP_CHK_FREE_REQ(ndlp)) {
2530 /* The ndlp should not be in memory free mode already */
2531 spin_unlock_irq(&phba->ndlp_lock);
2532 continue;
2533 } else
2534 /* Indicate request for freeing ndlp memory */
2535 NLP_SET_FREE_REQ(ndlp);
2536 spin_unlock_irq(&phba->ndlp_lock);
2537
58da1ffb
JS		 2538 if (vport->port_type != LPFC_PHYSICAL_PORT &&
2539 ndlp->nlp_DID == Fabric_DID) {
2540 /* Just free up ndlp with Fabric_DID for vports */
2541 lpfc_nlp_put(ndlp);
2542 continue;
2543 }
2544
eff4a01b
JS		 2545 /* take care of nodes in unused state before the state
2546 * machine taking action.
2547 */
2548 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
2549 lpfc_nlp_put(ndlp);
2550 continue;
2551 }
2552
87af33fe
JS		 2553 if (ndlp->nlp_type & NLP_FABRIC)
2554 lpfc_disc_state_machine(vport, ndlp, NULL,
2555 NLP_EVT_DEVICE_RECOVERY);
e47c9093 2556
87af33fe
JS		 2557 lpfc_disc_state_machine(vport, ndlp, NULL,
2558 NLP_EVT_DEVICE_RM);
2559 }
2560
a8adb832
JS		 2561 /* At this point, ALL ndlp's should be gone
2562 * because of the previous NLP_EVT_DEVICE_RM.
2563 * Lets wait for this to happen, if needed.
2564 */
87af33fe 2565 while (!list_empty(&vport->fc_nodes)) {
a8adb832 2566 if (i++ > 3000) {
87af33fe 2567 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
a8adb832 2568 "0233 Nodelist not empty\n");
e47c9093
JS		 2569 list_for_each_entry_safe(ndlp, next_ndlp,
2570 &vport->fc_nodes, nlp_listp) {
2571 lpfc_printf_vlog(ndlp->vport, KERN_ERR,
2572 LOG_NODE,
d7c255b2 2573 "0282 did:x%x ndlp:x%p "
e47c9093
JS		 2574 "usgmap:x%x refcnt:%d\n",
2575 ndlp->nlp_DID, (void *)ndlp,
2576 ndlp->nlp_usg_map,
2577 atomic_read(
2578 &ndlp->kref.refcount));
2579 }
a8adb832 2580 break;
87af33fe 2581 }
a8adb832
JS		 2582
2583 /* Wait for any activity on ndlps to settle */
2584 msleep(10);
87af33fe 2585 }
1151e3ec 2586 lpfc_cleanup_vports_rrqs(vport, NULL);
dea3101e 2587}
2588
e59058c4 2589/**
3621a710 2590 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
e59058c4
JS		 2591 * @vport: pointer to a virtual N_Port data structure.
2592 *
2593 * This routine stops all the timers associated with a @vport. This function
2594 * is invoked before disabling or deleting a @vport. Note that the physical
2595 * port is treated as @vport 0.
2596 **/
92d7f7b0
JS		 2597void
2598lpfc_stop_vport_timers(struct lpfc_vport *vport)
dea3101e 2599{
92d7f7b0
JS		 2600 del_timer_sync(&vport->els_tmofunc);
2601 del_timer_sync(&vport->fc_fdmitmo);
92494144 2602 del_timer_sync(&vport->delayed_disc_tmo);
92d7f7b0
JS		 2603 lpfc_can_disctmo(vport);
2604 return;
dea3101e 2605}
2606
ecfd03c6
JS		 2607/**
2608 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2609 * @phba: pointer to lpfc hba data structure.
2610 *
2611 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2612 * caller of this routine should already hold the host lock.
2613 **/
2614void
2615__lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
2616{
5ac6b303
JS		 2617 /* Clear pending FCF rediscovery wait flag */
2618 phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
2619
ecfd03c6
JS		 2620 /* Now, try to stop the timer */
2621 del_timer(&phba->fcf.redisc_wait);
2622}
2623
2624/**
2625 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2626 * @phba: pointer to lpfc hba data structure.
2627 *
2628 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2629 * checks whether the FCF rediscovery wait timer is pending with the host
2630 * lock held before proceeding with disabling the timer and clearing the
2631 * wait timer pendig flag.
2632 **/
2633void
2634lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
2635{
2636 spin_lock_irq(&phba->hbalock);
2637 if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
2638 /* FCF rediscovery timer already fired or stopped */
2639 spin_unlock_irq(&phba->hbalock);
2640 return;
2641 }
2642 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
5ac6b303
JS		 2643 /* Clear failover in progress flags */
2644 phba->fcf.fcf_flag &= ~(FCF_DEAD_DISC | FCF_ACVL_DISC);
ecfd03c6
JS		 2645 spin_unlock_irq(&phba->hbalock);
2646}
2647
e59058c4 2648/**
3772a991 2649 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
e59058c4
JS		 2650 * @phba: pointer to lpfc hba data structure.
2651 *
2652 * This routine stops all the timers associated with a HBA. This function is
2653 * invoked before either putting a HBA offline or unloading the driver.
2654 **/
3772a991
JS		 2655void
2656lpfc_stop_hba_timers(struct lpfc_hba *phba)
dea3101e 2657{
51ef4c26 2658 lpfc_stop_vport_timers(phba->pport);
2e0fef85 2659 del_timer_sync(&phba->sli.mbox_tmo);
92d7f7b0 2660 del_timer_sync(&phba->fabric_block_timer);
9399627f 2661 del_timer_sync(&phba->eratt_poll);
3772a991 2662 del_timer_sync(&phba->hb_tmofunc);
1151e3ec
JS		 2663 if (phba->sli_rev == LPFC_SLI_REV4) {
2664 del_timer_sync(&phba->rrq_tmr);
2665 phba->hba_flag &= ~HBA_RRQ_ACTIVE;
2666 }
3772a991
JS		 2667 phba->hb_outstanding = 0;
2668
2669 switch (phba->pci_dev_grp) {
2670 case LPFC_PCI_DEV_LP:
2671 /* Stop any LightPulse device specific driver timers */
2672 del_timer_sync(&phba->fcp_poll_timer);
2673 break;
2674 case LPFC_PCI_DEV_OC:
2675 /* Stop any OneConnect device sepcific driver timers */
ecfd03c6 2676 lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
3772a991
JS		 2677 break;
2678 default:
2679 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2680 "0297 Invalid device group (x%x)\n",
2681 phba->pci_dev_grp);
2682 break;
2683 }
2e0fef85 2684 return;
dea3101e 2685}
2686
e59058c4 2687/**
3621a710 2688 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
e59058c4
JS		 2689 * @phba: pointer to lpfc hba data structure.
2690 *
2691 * This routine marks a HBA's management interface as blocked. Once the HBA's
2692 * management interface is marked as blocked, all the user space access to
2693 * the HBA, whether they are from sysfs interface or libdfc interface will
2694 * all be blocked. The HBA is set to block the management interface when the
2695 * driver prepares the HBA interface for online or offline.
2696 **/
a6ababd2 2697static void
618a5230 2698lpfc_block_mgmt_io(struct lpfc_hba *phba, int mbx_action)
a6ababd2
AB		 2699{
2700 unsigned long iflag;
6e7288d9
JS		 2701 uint8_t actcmd = MBX_HEARTBEAT;
2702 unsigned long timeout;
2703
a6ababd2
AB		 2704 spin_lock_irqsave(&phba->hbalock, iflag);
2705 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
618a5230
JS		 2706 spin_unlock_irqrestore(&phba->hbalock, iflag);
2707 if (mbx_action == LPFC_MBX_NO_WAIT)
2708 return;
2709 timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies;
2710 spin_lock_irqsave(&phba->hbalock, iflag);
a183a15f 2711 if (phba->sli.mbox_active) {
6e7288d9 2712 actcmd = phba->sli.mbox_active->u.mb.mbxCommand;
a183a15f
JS		 2713 /* Determine how long we might wait for the active mailbox
2714 * command to be gracefully completed by firmware.
2715 */
2716 timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba,
2717 phba->sli.mbox_active) * 1000) + jiffies;
2718 }
a6ababd2 2719 spin_unlock_irqrestore(&phba->hbalock, iflag);
a183a15f 2720
6e7288d9
JS		 2721 /* Wait for the outstnading mailbox command to complete */
2722 while (phba->sli.mbox_active) {
2723 /* Check active mailbox complete status every 2ms */
2724 msleep(2);
2725 if (time_after(jiffies, timeout)) {
2726 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2727 "2813 Mgmt IO is Blocked %x "
2728 "- mbox cmd %x still active\n",
2729 phba->sli.sli_flag, actcmd);
2730 break;
2731 }
2732 }
a6ababd2
AB		 2733}
2734
6b5151fd
JS		 2735/**
2736 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
2737 * @phba: pointer to lpfc hba data structure.
2738 *
2739 * Allocate RPIs for all active remote nodes. This is needed whenever
2740 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
2741 * is to fixup the temporary rpi assignments.
2742 **/
2743void
2744lpfc_sli4_node_prep(struct lpfc_hba *phba)
2745{
2746 struct lpfc_nodelist *ndlp, *next_ndlp;
2747 struct lpfc_vport **vports;
2748 int i;
2749
2750 if (phba->sli_rev != LPFC_SLI_REV4)
2751 return;
2752
2753 vports = lpfc_create_vport_work_array(phba);
2754 if (vports != NULL) {
2755 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2756 if (vports[i]->load_flag & FC_UNLOADING)
2757 continue;
2758
2759 list_for_each_entry_safe(ndlp, next_ndlp,
2760 &vports[i]->fc_nodes,
2761 nlp_listp) {
2762 if (NLP_CHK_NODE_ACT(ndlp))
2763 ndlp->nlp_rpi =
2764 lpfc_sli4_alloc_rpi(phba);
2765 }
2766 }
2767 }
2768 lpfc_destroy_vport_work_array(phba, vports);
2769}
2770
e59058c4 2771/**
3621a710 2772 * lpfc_online - Initialize and bring a HBA online
e59058c4
JS		 2773 * @phba: pointer to lpfc hba data structure.
2774 *
2775 * This routine initializes the HBA and brings a HBA online. During this
2776 * process, the management interface is blocked to prevent user space access
2777 * to the HBA interfering with the driver initialization.
2778 *
2779 * Return codes
2780 * 0 - successful
2781 * 1 - failed
2782 **/
dea3101e 2783int
2e0fef85 2784lpfc_online(struct lpfc_hba *phba)
dea3101e 2785{
372bd282 2786 struct lpfc_vport *vport;
549e55cd
JS		 2787 struct lpfc_vport **vports;
2788 int i;
16a3a208 2789 bool vpis_cleared = false;
2e0fef85 2790
dea3101e 2791 if (!phba)
2792 return 0;
372bd282 2793 vport = phba->pport;
dea3101e 2794
2e0fef85 2795 if (!(vport->fc_flag & FC_OFFLINE_MODE))
dea3101e 2796 return 0;
2797
ed957684 2798 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 2799 "0458 Bring Adapter online\n");
dea3101e 2800
618a5230 2801 lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
46fa311e
JS		 2802
2803 if (!lpfc_sli_queue_setup(phba)) {
2804 lpfc_unblock_mgmt_io(phba);
dea3101e 2805 return 1;
46fa311e 2806 }
dea3101e 2807
da0436e9
JS		 2808 if (phba->sli_rev == LPFC_SLI_REV4) {
2809 if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */
2810 lpfc_unblock_mgmt_io(phba);
2811 return 1;
2812 }
16a3a208
JS		 2813 spin_lock_irq(&phba->hbalock);
2814 if (!phba->sli4_hba.max_cfg_param.vpi_used)
2815 vpis_cleared = true;
2816 spin_unlock_irq(&phba->hbalock);
da0436e9
JS		 2817 } else {
2818 if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */
2819 lpfc_unblock_mgmt_io(phba);
2820 return 1;
2821 }
46fa311e 2822 }
dea3101e 2823
549e55cd
JS		 2824 vports = lpfc_create_vport_work_array(phba);
2825 if (vports != NULL)
da0436e9 2826 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
549e55cd
JS		 2827 struct Scsi_Host *shost;
2828 shost = lpfc_shost_from_vport(vports[i]);
2829 spin_lock_irq(shost->host_lock);
2830 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
2831 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
2832 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
16a3a208 2833 if (phba->sli_rev == LPFC_SLI_REV4) {
1c6834a7 2834 vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
16a3a208
JS		 2835 if ((vpis_cleared) &&
2836 (vports[i]->port_type !=
2837 LPFC_PHYSICAL_PORT))
2838 vports[i]->vpi = 0;
2839 }
549e55cd
JS		 2840 spin_unlock_irq(shost->host_lock);
2841 }
09372820 2842 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 2843
46fa311e 2844 lpfc_unblock_mgmt_io(phba);
dea3101e 2845 return 0;
2846}
2847
e59058c4 2848/**
3621a710 2849 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
e59058c4
JS		 2850 * @phba: pointer to lpfc hba data structure.
2851 *
2852 * This routine marks a HBA's management interface as not blocked. Once the
2853 * HBA's management interface is marked as not blocked, all the user space
2854 * access to the HBA, whether they are from sysfs interface or libdfc
2855 * interface will be allowed. The HBA is set to block the management interface
2856 * when the driver prepares the HBA interface for online or offline and then
2857 * set to unblock the management interface afterwards.
2858 **/
46fa311e
JS		 2859void
2860lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
2861{
2862 unsigned long iflag;
2863
2e0fef85
JS		 2864 spin_lock_irqsave(&phba->hbalock, iflag);
2865 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
2866 spin_unlock_irqrestore(&phba->hbalock, iflag);
46fa311e
JS		 2867}
2868
e59058c4 2869/**
3621a710 2870 * lpfc_offline_prep - Prepare a HBA to be brought offline
e59058c4
JS		 2871 * @phba: pointer to lpfc hba data structure.
2872 *
2873 * This routine is invoked to prepare a HBA to be brought offline. It performs
2874 * unregistration login to all the nodes on all vports and flushes the mailbox
2875 * queue to make it ready to be brought offline.
2876 **/
46fa311e 2877void
618a5230 2878lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action)
46fa311e 2879{
2e0fef85 2880 struct lpfc_vport *vport = phba->pport;
46fa311e 2881 struct lpfc_nodelist *ndlp, *next_ndlp;
87af33fe 2882 struct lpfc_vport **vports;
72100cc4 2883 struct Scsi_Host *shost;
87af33fe 2884 int i;
dea3101e 2885
2e0fef85 2886 if (vport->fc_flag & FC_OFFLINE_MODE)
46fa311e 2887 return;
dea3101e 2888
618a5230 2889 lpfc_block_mgmt_io(phba, mbx_action);
dea3101e 2890
2891 lpfc_linkdown(phba);
2892
87af33fe
JS		 2893 /* Issue an unreg_login to all nodes on all vports */
2894 vports = lpfc_create_vport_work_array(phba);
2895 if (vports != NULL) {
da0436e9 2896 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
a8adb832
JS		 2897 if (vports[i]->load_flag & FC_UNLOADING)
2898 continue;
72100cc4
JS		 2899 shost = lpfc_shost_from_vport(vports[i]);
2900 spin_lock_irq(shost->host_lock);
c868595d 2901 vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED;
695a814e
JS		 2902 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
2903 vports[i]->fc_flag &= ~FC_VFI_REGISTERED;
72100cc4 2904 spin_unlock_irq(shost->host_lock);
695a814e 2905
87af33fe
JS		 2906 shost = lpfc_shost_from_vport(vports[i]);
2907 list_for_each_entry_safe(ndlp, next_ndlp,
2908 &vports[i]->fc_nodes,
2909 nlp_listp) {
e47c9093
JS		 2910 if (!NLP_CHK_NODE_ACT(ndlp))
2911 continue;
87af33fe
JS		 2912 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
2913 continue;
2914 if (ndlp->nlp_type & NLP_FABRIC) {
2915 lpfc_disc_state_machine(vports[i], ndlp,
2916 NULL, NLP_EVT_DEVICE_RECOVERY);
2917 lpfc_disc_state_machine(vports[i], ndlp,
2918 NULL, NLP_EVT_DEVICE_RM);
2919 }
2920 spin_lock_irq(shost->host_lock);
2921 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
401ee0c1 2922 spin_unlock_irq(shost->host_lock);
6b5151fd
JS		 2923 /*
2924 * Whenever an SLI4 port goes offline, free the
401ee0c1
JS		 2925 * RPI. Get a new RPI when the adapter port
2926 * comes back online.
6b5151fd
JS		 2927 */
2928 if (phba->sli_rev == LPFC_SLI_REV4)
2929 lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi);
87af33fe
JS		 2930 lpfc_unreg_rpi(vports[i], ndlp);
2931 }
2932 }
2933 }
09372820 2934 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 2935
618a5230 2936 lpfc_sli_mbox_sys_shutdown(phba, mbx_action);
46fa311e
JS		 2937}
2938
e59058c4 2939/**
3621a710 2940 * lpfc_offline - Bring a HBA offline
e59058c4
JS		 2941 * @phba: pointer to lpfc hba data structure.
2942 *
2943 * This routine actually brings a HBA offline. It stops all the timers
2944 * associated with the HBA, brings down the SLI layer, and eventually
2945 * marks the HBA as in offline state for the upper layer protocol.
2946 **/
46fa311e 2947void
2e0fef85 2948lpfc_offline(struct lpfc_hba *phba)
46fa311e 2949{
549e55cd
JS		 2950 struct Scsi_Host *shost;
2951 struct lpfc_vport **vports;
2952 int i;
46fa311e 2953
549e55cd 2954 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
46fa311e 2955 return;
688a8863 2956
da0436e9
JS		 2957 /* stop port and all timers associated with this hba */
2958 lpfc_stop_port(phba);
51ef4c26
JS		 2959 vports = lpfc_create_vport_work_array(phba);
2960 if (vports != NULL)
da0436e9 2961 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
51ef4c26 2962 lpfc_stop_vport_timers(vports[i]);
09372820 2963 lpfc_destroy_vport_work_array(phba, vports);
92d7f7b0 2964 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 2965 "0460 Bring Adapter offline\n");
dea3101e 2966 /* Bring down the SLI Layer and cleanup. The HBA is offline
2967 now. */
2968 lpfc_sli_hba_down(phba);
92d7f7b0 2969 spin_lock_irq(&phba->hbalock);
7054a606 2970 phba->work_ha = 0;
92d7f7b0 2971 spin_unlock_irq(&phba->hbalock);
549e55cd
JS		 2972 vports = lpfc_create_vport_work_array(phba);
2973 if (vports != NULL)
da0436e9 2974 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
549e55cd 2975 shost = lpfc_shost_from_vport(vports[i]);
549e55cd
JS		 2976 spin_lock_irq(shost->host_lock);
2977 vports[i]->work_port_events = 0;
2978 vports[i]->fc_flag |= FC_OFFLINE_MODE;
2979 spin_unlock_irq(shost->host_lock);
2980 }
09372820 2981 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 2982}
2983
e59058c4 2984/**
3621a710 2985 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
e59058c4
JS		 2986 * @phba: pointer to lpfc hba data structure.
2987 *
2988 * This routine is to free all the SCSI buffers and IOCBs from the driver
2989 * list back to kernel. It is called from lpfc_pci_remove_one to free
2990 * the internal resources before the device is removed from the system.
e59058c4 2991 **/
8a9d2e80 2992static void
2e0fef85 2993lpfc_scsi_free(struct lpfc_hba *phba)
dea3101e 2994{
2995 struct lpfc_scsi_buf *sb, *sb_next;
2996 struct lpfc_iocbq *io, *io_next;
2997
2e0fef85 2998 spin_lock_irq(&phba->hbalock);
a40fc5f0 2999
dea3101e 3000 /* Release all the lpfc_scsi_bufs maintained by this host. */
a40fc5f0
JS		 3001
3002 spin_lock(&phba->scsi_buf_list_put_lock);
3003 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_put,
3004 list) {
dea3101e 3005 list_del(&sb->list);
3006 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
92d7f7b0 3007 sb->dma_handle);
dea3101e 3008 kfree(sb);
3009 phba->total_scsi_bufs--;
3010 }
a40fc5f0
JS		 3011 spin_unlock(&phba->scsi_buf_list_put_lock);
3012
3013 spin_lock(&phba->scsi_buf_list_get_lock);
3014 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_get,
3015 list) {
dea3101e 3016 list_del(&sb->list);
3017 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
92d7f7b0 3018 sb->dma_handle);
dea3101e 3019 kfree(sb);
3020 phba->total_scsi_bufs--;
3021 }
a40fc5f0 3022 spin_unlock(&phba->scsi_buf_list_get_lock);
dea3101e 3023
3024 /* Release all the lpfc_iocbq entries maintained by this host. */
3025 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
3026 list_del(&io->list);
3027 kfree(io);
3028 phba->total_iocbq_bufs--;
3029 }
6d368e53 3030
2e0fef85 3031 spin_unlock_irq(&phba->hbalock);
8a9d2e80
JS		 3032}
3033
3034/**
3035 * lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping
3036 * @phba: pointer to lpfc hba data structure.
3037 *
3038 * This routine first calculates the sizes of the current els and allocated
3039 * scsi sgl lists, and then goes through all sgls to updates the physical
3040 * XRIs assigned due to port function reset. During port initialization, the
3041 * current els and allocated scsi sgl lists are 0s.
3042 *
3043 * Return codes
3044 * 0 - successful (for now, it always returns 0)
3045 **/
3046int
3047lpfc_sli4_xri_sgl_update(struct lpfc_hba *phba)
3048{
3049 struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL;
3050 struct lpfc_scsi_buf *psb = NULL, *psb_next = NULL;
3051 uint16_t i, lxri, xri_cnt, els_xri_cnt, scsi_xri_cnt;
3052 LIST_HEAD(els_sgl_list);
3053 LIST_HEAD(scsi_sgl_list);
3054 int rc;
dafe8cea 3055 struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
8a9d2e80
JS		 3056
3057 /*
3058 * update on pci function's els xri-sgl list
3059 */
3060 els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);
3061 if (els_xri_cnt > phba->sli4_hba.els_xri_cnt) {
3062 /* els xri-sgl expanded */
3063 xri_cnt = els_xri_cnt - phba->sli4_hba.els_xri_cnt;
3064 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3065 "3157 ELS xri-sgl count increased from "
3066 "%d to %d\n", phba->sli4_hba.els_xri_cnt,
3067 els_xri_cnt);
3068 /* allocate the additional els sgls */
3069 for (i = 0; i < xri_cnt; i++) {
3070 sglq_entry = kzalloc(sizeof(struct lpfc_sglq),
3071 GFP_KERNEL);
3072 if (sglq_entry == NULL) {
3073 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3074 "2562 Failure to allocate an "
3075 "ELS sgl entry:%d\n", i);
3076 rc = -ENOMEM;
3077 goto out_free_mem;
3078 }
3079 sglq_entry->buff_type = GEN_BUFF_TYPE;
3080 sglq_entry->virt = lpfc_mbuf_alloc(phba, 0,
3081 &sglq_entry->phys);
3082 if (sglq_entry->virt == NULL) {
3083 kfree(sglq_entry);
3084 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3085 "2563 Failure to allocate an "
3086 "ELS mbuf:%d\n", i);
3087 rc = -ENOMEM;
3088 goto out_free_mem;
3089 }
3090 sglq_entry->sgl = sglq_entry->virt;
3091 memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE);
3092 sglq_entry->state = SGL_FREED;
3093 list_add_tail(&sglq_entry->list, &els_sgl_list);
3094 }
38c20673 3095 spin_lock_irq(&phba->hbalock);
dafe8cea 3096 spin_lock(&pring->ring_lock);
8a9d2e80 3097 list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list);
dafe8cea 3098 spin_unlock(&pring->ring_lock);
38c20673 3099 spin_unlock_irq(&phba->hbalock);
8a9d2e80
JS		 3100 } else if (els_xri_cnt < phba->sli4_hba.els_xri_cnt) {
3101 /* els xri-sgl shrinked */
3102 xri_cnt = phba->sli4_hba.els_xri_cnt - els_xri_cnt;
3103 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3104 "3158 ELS xri-sgl count decreased from "
3105 "%d to %d\n", phba->sli4_hba.els_xri_cnt,
3106 els_xri_cnt);
3107 spin_lock_irq(&phba->hbalock);
dafe8cea 3108 spin_lock(&pring->ring_lock);
8a9d2e80 3109 list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &els_sgl_list);
dafe8cea 3110 spin_unlock(&pring->ring_lock);
8a9d2e80
JS		 3111 spin_unlock_irq(&phba->hbalock);
3112 /* release extra els sgls from list */
3113 for (i = 0; i < xri_cnt; i++) {
3114 list_remove_head(&els_sgl_list,
3115 sglq_entry, struct lpfc_sglq, list);
3116 if (sglq_entry) {
3117 lpfc_mbuf_free(phba, sglq_entry->virt,
3118 sglq_entry->phys);
3119 kfree(sglq_entry);
3120 }
3121 }
3122 spin_lock_irq(&phba->hbalock);
dafe8cea 3123 spin_lock(&pring->ring_lock);
8a9d2e80 3124 list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list);
dafe8cea 3125 spin_unlock(&pring->ring_lock);
8a9d2e80
JS		 3126 spin_unlock_irq(&phba->hbalock);
3127 } else
3128 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3129 "3163 ELS xri-sgl count unchanged: %d\n",
3130 els_xri_cnt);
3131 phba->sli4_hba.els_xri_cnt = els_xri_cnt;
3132
3133 /* update xris to els sgls on the list */
3134 sglq_entry = NULL;
3135 sglq_entry_next = NULL;
3136 list_for_each_entry_safe(sglq_entry, sglq_entry_next,
3137 &phba->sli4_hba.lpfc_sgl_list, list) {
3138 lxri = lpfc_sli4_next_xritag(phba);
3139 if (lxri == NO_XRI) {
3140 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3141 "2400 Failed to allocate xri for "
3142 "ELS sgl\n");
3143 rc = -ENOMEM;
3144 goto out_free_mem;
3145 }
3146 sglq_entry->sli4_lxritag = lxri;
3147 sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri];
3148 }
3149
3150 /*
3151 * update on pci function's allocated scsi xri-sgl list
3152 */
3153 phba->total_scsi_bufs = 0;
3154
3155 /* maximum number of xris available for scsi buffers */
3156 phba->sli4_hba.scsi_xri_max = phba->sli4_hba.max_cfg_param.max_xri -
3157 els_xri_cnt;
3158
3159 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3160 "2401 Current allocated SCSI xri-sgl count:%d, "
3161 "maximum SCSI xri count:%d\n",
3162 phba->sli4_hba.scsi_xri_cnt,
3163 phba->sli4_hba.scsi_xri_max);
3164
a40fc5f0 3165 spin_lock_irq(&phba->scsi_buf_list_get_lock);
164cecd1 3166 spin_lock(&phba->scsi_buf_list_put_lock);
a40fc5f0
JS		 3167 list_splice_init(&phba->lpfc_scsi_buf_list_get, &scsi_sgl_list);
3168 list_splice(&phba->lpfc_scsi_buf_list_put, &scsi_sgl_list);
164cecd1 3169 spin_unlock(&phba->scsi_buf_list_put_lock);
a40fc5f0 3170 spin_unlock_irq(&phba->scsi_buf_list_get_lock);
8a9d2e80
JS		 3171
3172 if (phba->sli4_hba.scsi_xri_cnt > phba->sli4_hba.scsi_xri_max) {
3173 /* max scsi xri shrinked below the allocated scsi buffers */
3174 scsi_xri_cnt = phba->sli4_hba.scsi_xri_cnt -
3175 phba->sli4_hba.scsi_xri_max;
3176 /* release the extra allocated scsi buffers */
3177 for (i = 0; i < scsi_xri_cnt; i++) {
3178 list_remove_head(&scsi_sgl_list, psb,
3179 struct lpfc_scsi_buf, list);
a2fc4aef
JS		 3180 if (psb) {
3181 pci_pool_free(phba->lpfc_scsi_dma_buf_pool,
3182 psb->data, psb->dma_handle);
3183 kfree(psb);
3184 }
8a9d2e80 3185 }
a40fc5f0 3186 spin_lock_irq(&phba->scsi_buf_list_get_lock);
8a9d2e80 3187 phba->sli4_hba.scsi_xri_cnt -= scsi_xri_cnt;
a40fc5f0 3188 spin_unlock_irq(&phba->scsi_buf_list_get_lock);
8a9d2e80
JS		 3189 }
3190
3191 /* update xris associated to remaining allocated scsi buffers */
3192 psb = NULL;
3193 psb_next = NULL;
3194 list_for_each_entry_safe(psb, psb_next, &scsi_sgl_list, list) {
3195 lxri = lpfc_sli4_next_xritag(phba);
3196 if (lxri == NO_XRI) {
3197 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3198 "2560 Failed to allocate xri for "
3199 "scsi buffer\n");
3200 rc = -ENOMEM;
3201 goto out_free_mem;
3202 }
3203 psb->cur_iocbq.sli4_lxritag = lxri;
3204 psb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri];
3205 }
a40fc5f0 3206 spin_lock_irq(&phba->scsi_buf_list_get_lock);
164cecd1 3207 spin_lock(&phba->scsi_buf_list_put_lock);
a40fc5f0
JS		 3208 list_splice_init(&scsi_sgl_list, &phba->lpfc_scsi_buf_list_get);
3209 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put);
164cecd1 3210 spin_unlock(&phba->scsi_buf_list_put_lock);
a40fc5f0 3211 spin_unlock_irq(&phba->scsi_buf_list_get_lock);
8a9d2e80 3212
dea3101e 3213 return 0;
8a9d2e80
JS		 3214
3215out_free_mem:
3216 lpfc_free_els_sgl_list(phba);
3217 lpfc_scsi_free(phba);
3218 return rc;
dea3101e 3219}
3220
e59058c4 3221/**
3621a710 3222 * lpfc_create_port - Create an FC port
e59058c4
JS		 3223 * @phba: pointer to lpfc hba data structure.
3224 * @instance: a unique integer ID to this FC port.
3225 * @dev: pointer to the device data structure.
3226 *
3227 * This routine creates a FC port for the upper layer protocol. The FC port
3228 * can be created on top of either a physical port or a virtual port provided
3229 * by the HBA. This routine also allocates a SCSI host data structure (shost)
3230 * and associates the FC port created before adding the shost into the SCSI
3231 * layer.
3232 *
3233 * Return codes
3234 * @vport - pointer to the virtual N_Port data structure.
3235 * NULL - port create failed.
3236 **/
2e0fef85 3237struct lpfc_vport *
3de2a653 3238lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
47a8617c 3239{
2e0fef85
JS		 3240 struct lpfc_vport *vport;
3241 struct Scsi_Host *shost;
3242 int error = 0;
47a8617c 3243
3de2a653
JS		 3244 if (dev != &phba->pcidev->dev)
3245 shost = scsi_host_alloc(&lpfc_vport_template,
3246 sizeof(struct lpfc_vport));
3247 else
3248 shost = scsi_host_alloc(&lpfc_template,
3249 sizeof(struct lpfc_vport));
2e0fef85
JS		 3250 if (!shost)
3251 goto out;
47a8617c 3252
2e0fef85
JS		 3253 vport = (struct lpfc_vport *) shost->hostdata;
3254 vport->phba = phba;
2e0fef85 3255 vport->load_flag |= FC_LOADING;
92d7f7b0 3256 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
7f5f3d0d 3257 vport->fc_rscn_flush = 0;
47a8617c 3258
3de2a653 3259 lpfc_get_vport_cfgparam(vport);
2e0fef85
JS		 3260 shost->unique_id = instance;
3261 shost->max_id = LPFC_MAX_TARGET;
3de2a653 3262 shost->max_lun = vport->cfg_max_luns;
2e0fef85
JS		 3263 shost->this_id = -1;
3264 shost->max_cmd_len = 16;
da0436e9 3265 if (phba->sli_rev == LPFC_SLI_REV4) {
28baac74 3266 shost->dma_boundary =
cb5172ea 3267 phba->sli4_hba.pc_sli4_params.sge_supp_len-1;
da0436e9
JS		 3268 shost->sg_tablesize = phba->cfg_sg_seg_cnt;
3269 }
81301a9b 3270
47a8617c 3271 /*
2e0fef85
JS		 3272 * Set initial can_queue value since 0 is no longer supported and
3273 * scsi_add_host will fail. This will be adjusted later based on the
3274 * max xri value determined in hba setup.
47a8617c 3275 */
2e0fef85 3276 shost->can_queue = phba->cfg_hba_queue_depth - 10;
3de2a653 3277 if (dev != &phba->pcidev->dev) {
92d7f7b0
JS		 3278 shost->transportt = lpfc_vport_transport_template;
3279 vport->port_type = LPFC_NPIV_PORT;
3280 } else {
3281 shost->transportt = lpfc_transport_template;
3282 vport->port_type = LPFC_PHYSICAL_PORT;
3283 }
47a8617c 3284
2e0fef85
JS		 3285 /* Initialize all internally managed lists. */
3286 INIT_LIST_HEAD(&vport->fc_nodes);
da0436e9 3287 INIT_LIST_HEAD(&vport->rcv_buffer_list);
2e0fef85 3288 spin_lock_init(&vport->work_port_lock);
47a8617c 3289
2e0fef85
JS		 3290 init_timer(&vport->fc_disctmo);
3291 vport->fc_disctmo.function = lpfc_disc_timeout;
92d7f7b0 3292 vport->fc_disctmo.data = (unsigned long)vport;
47a8617c 3293
2e0fef85
JS		 3294 init_timer(&vport->fc_fdmitmo);
3295 vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
92d7f7b0 3296 vport->fc_fdmitmo.data = (unsigned long)vport;
47a8617c 3297
2e0fef85
JS		 3298 init_timer(&vport->els_tmofunc);
3299 vport->els_tmofunc.function = lpfc_els_timeout;
92d7f7b0 3300 vport->els_tmofunc.data = (unsigned long)vport;
92494144
JS		 3301
3302 init_timer(&vport->delayed_disc_tmo);
3303 vport->delayed_disc_tmo.function = lpfc_delayed_disc_tmo;
3304 vport->delayed_disc_tmo.data = (unsigned long)vport;
3305
d139b9bd 3306 error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev);
2e0fef85
JS		 3307 if (error)
3308 goto out_put_shost;
47a8617c 3309
549e55cd 3310 spin_lock_irq(&phba->hbalock);
2e0fef85 3311 list_add_tail(&vport->listentry, &phba->port_list);
549e55cd 3312 spin_unlock_irq(&phba->hbalock);
2e0fef85 3313 return vport;
47a8617c 3314
2e0fef85
JS		 3315out_put_shost:
3316 scsi_host_put(shost);
3317out:
3318 return NULL;
47a8617c
JS		 3319}
3320
e59058c4 3321/**
3621a710 3322 * destroy_port - destroy an FC port
e59058c4
JS		 3323 * @vport: pointer to an lpfc virtual N_Port data structure.
3324 *
3325 * This routine destroys a FC port from the upper layer protocol. All the
3326 * resources associated with the port are released.
3327 **/
2e0fef85
JS		 3328void
3329destroy_port(struct lpfc_vport *vport)
47a8617c 3330{
92d7f7b0
JS		 3331 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3332 struct lpfc_hba *phba = vport->phba;
47a8617c 3333
858c9f6c 3334 lpfc_debugfs_terminate(vport);
92d7f7b0
JS		 3335 fc_remove_host(shost);
3336 scsi_remove_host(shost);
47a8617c 3337
92d7f7b0
JS		 3338 spin_lock_irq(&phba->hbalock);
3339 list_del_init(&vport->listentry);
3340 spin_unlock_irq(&phba->hbalock);
47a8617c 3341
92d7f7b0 3342 lpfc_cleanup(vport);
47a8617c 3343 return;
47a8617c
JS		 3344}
3345
e59058c4 3346/**
3621a710 3347 * lpfc_get_instance - Get a unique integer ID
e59058c4
JS		 3348 *
3349 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
3350 * uses the kernel idr facility to perform the task.
3351 *
3352 * Return codes:
3353 * instance - a unique integer ID allocated as the new instance.
3354 * -1 - lpfc get instance failed.
3355 **/
92d7f7b0
JS		 3356int
3357lpfc_get_instance(void)
3358{
ab516036
TH		 3359 int ret;
3360
3361 ret = idr_alloc(&lpfc_hba_index, NULL, 0, 0, GFP_KERNEL);
3362 return ret < 0 ? -1 : ret;
47a8617c
JS		 3363}
3364
e59058c4 3365/**
3621a710 3366 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
e59058c4
JS		 3367 * @shost: pointer to SCSI host data structure.
3368 * @time: elapsed time of the scan in jiffies.
3369 *
3370 * This routine is called by the SCSI layer with a SCSI host to determine
3371 * whether the scan host is finished.
3372 *
3373 * Note: there is no scan_start function as adapter initialization will have
3374 * asynchronously kicked off the link initialization.
3375 *
3376 * Return codes
3377 * 0 - SCSI host scan is not over yet.
3378 * 1 - SCSI host scan is over.
3379 **/
47a8617c
JS		 3380int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
3381{
2e0fef85
JS		 3382 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3383 struct lpfc_hba *phba = vport->phba;
858c9f6c 3384 int stat = 0;
47a8617c 3385
858c9f6c
JS		 3386 spin_lock_irq(shost->host_lock);
3387
51ef4c26 3388 if (vport->load_flag & FC_UNLOADING) {
858c9f6c
JS		 3389 stat = 1;
3390 goto finished;
3391 }
256ec0d0 3392 if (time >= msecs_to_jiffies(30 * 1000)) {
2e0fef85 3393 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 3394 "0461 Scanning longer than 30 "
3395 "seconds. Continuing initialization\n");
858c9f6c 3396 stat = 1;
47a8617c 3397 goto finished;
2e0fef85 3398 }
256ec0d0
JS		 3399 if (time >= msecs_to_jiffies(15 * 1000) &&
3400 phba->link_state <= LPFC_LINK_DOWN) {
2e0fef85 3401 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 3402 "0465 Link down longer than 15 "
3403 "seconds. Continuing initialization\n");
858c9f6c 3404 stat = 1;
47a8617c 3405 goto finished;
2e0fef85 3406 }
47a8617c 3407
2e0fef85 3408 if (vport->port_state != LPFC_VPORT_READY)
858c9f6c 3409 goto finished;
2e0fef85 3410 if (vport->num_disc_nodes || vport->fc_prli_sent)
858c9f6c 3411 goto finished;
256ec0d0 3412 if (vport->fc_map_cnt == 0 && time < msecs_to_jiffies(2 * 1000))
858c9f6c 3413 goto finished;
2e0fef85 3414 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
858c9f6c
JS		 3415 goto finished;
3416
3417 stat = 1;
47a8617c
JS		 3418
3419finished:
858c9f6c
JS		 3420 spin_unlock_irq(shost->host_lock);
3421 return stat;
92d7f7b0 3422}
47a8617c 3423
e59058c4 3424/**
3621a710 3425 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
e59058c4
JS		 3426 * @shost: pointer to SCSI host data structure.
3427 *
3428 * This routine initializes a given SCSI host attributes on a FC port. The
3429 * SCSI host can be either on top of a physical port or a virtual port.
3430 **/
92d7f7b0
JS		 3431void lpfc_host_attrib_init(struct Scsi_Host *shost)
3432{
3433 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3434 struct lpfc_hba *phba = vport->phba;
47a8617c 3435 /*
2e0fef85 3436 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
47a8617c
JS		 3437 */
3438
2e0fef85
JS		 3439 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
3440 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
47a8617c
JS		 3441 fc_host_supported_classes(shost) = FC_COS_CLASS3;
3442
3443 memset(fc_host_supported_fc4s(shost), 0,
2e0fef85 3444 sizeof(fc_host_supported_fc4s(shost)));
47a8617c
JS		 3445 fc_host_supported_fc4s(shost)[2] = 1;
3446 fc_host_supported_fc4s(shost)[7] = 1;
3447
92d7f7b0
JS		 3448 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
3449 sizeof fc_host_symbolic_name(shost));
47a8617c
JS		 3450
3451 fc_host_supported_speeds(shost) = 0;
88a2cfbb
JS		 3452 if (phba->lmt & LMT_16Gb)
3453 fc_host_supported_speeds(shost) |= FC_PORTSPEED_16GBIT;
47a8617c
JS		 3454 if (phba->lmt & LMT_10Gb)
3455 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
a8adb832
JS		 3456 if (phba->lmt & LMT_8Gb)
3457 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
47a8617c
JS		 3458 if (phba->lmt & LMT_4Gb)
3459 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
3460 if (phba->lmt & LMT_2Gb)
3461 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
3462 if (phba->lmt & LMT_1Gb)
3463 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
3464
3465 fc_host_maxframe_size(shost) =
2e0fef85
JS		 3466 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
3467 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
47a8617c 3468
0af5d708
MC		 3469 fc_host_dev_loss_tmo(shost) = vport->cfg_devloss_tmo;
3470
47a8617c
JS		 3471 /* This value is also unchanging */
3472 memset(fc_host_active_fc4s(shost), 0,
2e0fef85 3473 sizeof(fc_host_active_fc4s(shost)));
47a8617c
JS		 3474 fc_host_active_fc4s(shost)[2] = 1;
3475 fc_host_active_fc4s(shost)[7] = 1;
3476
92d7f7b0 3477 fc_host_max_npiv_vports(shost) = phba->max_vpi;
47a8617c 3478 spin_lock_irq(shost->host_lock);
51ef4c26 3479 vport->load_flag &= ~FC_LOADING;
47a8617c 3480 spin_unlock_irq(shost->host_lock);
47a8617c 3481}
dea3101e 3482
e59058c4 3483/**
da0436e9 3484 * lpfc_stop_port_s3 - Stop SLI3 device port
e59058c4
JS		 3485 * @phba: pointer to lpfc hba data structure.
3486 *
da0436e9
JS		 3487 * This routine is invoked to stop an SLI3 device port, it stops the device
3488 * from generating interrupts and stops the device driver's timers for the
3489 * device.
e59058c4 3490 **/
da0436e9
JS		 3491static void
3492lpfc_stop_port_s3(struct lpfc_hba *phba)
db2378e0 3493{
da0436e9
JS		 3494 /* Clear all interrupt enable conditions */
3495 writel(0, phba->HCregaddr);
3496 readl(phba->HCregaddr); /* flush */
3497 /* Clear all pending interrupts */
3498 writel(0xffffffff, phba->HAregaddr);
3499 readl(phba->HAregaddr); /* flush */
db2378e0 3500
da0436e9
JS		 3501 /* Reset some HBA SLI setup states */
3502 lpfc_stop_hba_timers(phba);
3503 phba->pport->work_port_events = 0;
3504}
db2378e0 3505
da0436e9
JS		 3506/**
3507 * lpfc_stop_port_s4 - Stop SLI4 device port
3508 * @phba: pointer to lpfc hba data structure.
3509 *
3510 * This routine is invoked to stop an SLI4 device port, it stops the device
3511 * from generating interrupts and stops the device driver's timers for the
3512 * device.
3513 **/
3514static void
3515lpfc_stop_port_s4(struct lpfc_hba *phba)
3516{
3517 /* Reset some HBA SLI4 setup states */
3518 lpfc_stop_hba_timers(phba);
3519 phba->pport->work_port_events = 0;
3520 phba->sli4_hba.intr_enable = 0;
da0436e9 3521}
9399627f 3522
da0436e9
JS		 3523/**
3524 * lpfc_stop_port - Wrapper function for stopping hba port
3525 * @phba: Pointer to HBA context object.
3526 *
3527 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
3528 * the API jump table function pointer from the lpfc_hba struct.
3529 **/
3530void
3531lpfc_stop_port(struct lpfc_hba *phba)
3532{
3533 phba->lpfc_stop_port(phba);
3534}
db2378e0 3535
ecfd03c6
JS		 3536/**
3537 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
3538 * @phba: Pointer to hba for which this call is being executed.
3539 *
3540 * This routine starts the timer waiting for the FCF rediscovery to complete.
3541 **/
3542void
3543lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba)
3544{
3545 unsigned long fcf_redisc_wait_tmo =
3546 (jiffies + msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO));
3547 /* Start fcf rediscovery wait period timer */
3548 mod_timer(&phba->fcf.redisc_wait, fcf_redisc_wait_tmo);
3549 spin_lock_irq(&phba->hbalock);
3550 /* Allow action to new fcf asynchronous event */
3551 phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE);
3552 /* Mark the FCF rediscovery pending state */
3553 phba->fcf.fcf_flag |= FCF_REDISC_PEND;
3554 spin_unlock_irq(&phba->hbalock);
3555}
3556
3557/**
3558 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
3559 * @ptr: Map to lpfc_hba data structure pointer.
3560 *
3561 * This routine is invoked when waiting for FCF table rediscover has been
3562 * timed out. If new FCF record(s) has (have) been discovered during the
3563 * wait period, a new FCF event shall be added to the FCOE async event
3564 * list, and then worker thread shall be waked up for processing from the
3565 * worker thread context.
3566 **/
e399b228 3567static void
ecfd03c6
JS		 3568lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr)
3569{
3570 struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
3571
3572 /* Don't send FCF rediscovery event if timer cancelled */
3573 spin_lock_irq(&phba->hbalock);
3574 if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
3575 spin_unlock_irq(&phba->hbalock);
3576 return;
3577 }
3578 /* Clear FCF rediscovery timer pending flag */
3579 phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
3580 /* FCF rediscovery event to worker thread */
3581 phba->fcf.fcf_flag |= FCF_REDISC_EVT;
3582 spin_unlock_irq(&phba->hbalock);
0c9ab6f5 3583 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
a93ff37a 3584 "2776 FCF rediscover quiescent timer expired\n");
ecfd03c6
JS		 3585 /* wake up worker thread */
3586 lpfc_worker_wake_up(phba);
3587}
3588
e59058c4 3589/**
da0436e9 3590 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
e59058c4 3591 * @phba: pointer to lpfc hba data structure.
da0436e9 3592 * @acqe_link: pointer to the async link completion queue entry.
e59058c4 3593 *
da0436e9
JS		 3594 * This routine is to parse the SLI4 link-attention link fault code and
3595 * translate it into the base driver's read link attention mailbox command
3596 * status.
3597 *
3598 * Return: Link-attention status in terms of base driver's coding.
e59058c4 3599 **/
da0436e9
JS		 3600static uint16_t
3601lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba,
3602 struct lpfc_acqe_link *acqe_link)
db2378e0 3603{
da0436e9 3604 uint16_t latt_fault;
9399627f 3605
da0436e9
JS		 3606 switch (bf_get(lpfc_acqe_link_fault, acqe_link)) {
3607 case LPFC_ASYNC_LINK_FAULT_NONE:
3608 case LPFC_ASYNC_LINK_FAULT_LOCAL:
3609 case LPFC_ASYNC_LINK_FAULT_REMOTE:
3610 latt_fault = 0;
3611 break;
3612 default:
3613 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3614 "0398 Invalid link fault code: x%x\n",
3615 bf_get(lpfc_acqe_link_fault, acqe_link));
3616 latt_fault = MBXERR_ERROR;
3617 break;
3618 }
3619 return latt_fault;
db2378e0
JS		 3620}
3621
5b75da2f 3622/**
da0436e9 3623 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
5b75da2f 3624 * @phba: pointer to lpfc hba data structure.
da0436e9 3625 * @acqe_link: pointer to the async link completion queue entry.
5b75da2f 3626 *
da0436e9
JS		 3627 * This routine is to parse the SLI4 link attention type and translate it
3628 * into the base driver's link attention type coding.
5b75da2f 3629 *
da0436e9
JS		 3630 * Return: Link attention type in terms of base driver's coding.
3631 **/
3632static uint8_t
3633lpfc_sli4_parse_latt_type(struct lpfc_hba *phba,
3634 struct lpfc_acqe_link *acqe_link)
5b75da2f 3635{
da0436e9 3636 uint8_t att_type;
5b75da2f 3637
da0436e9
JS		 3638 switch (bf_get(lpfc_acqe_link_status, acqe_link)) {
3639 case LPFC_ASYNC_LINK_STATUS_DOWN:
3640 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN:
76a95d75 3641 att_type = LPFC_ATT_LINK_DOWN;
da0436e9
JS		 3642 break;
3643 case LPFC_ASYNC_LINK_STATUS_UP:
3644 /* Ignore physical link up events - wait for logical link up */
76a95d75 3645 att_type = LPFC_ATT_RESERVED;
da0436e9
JS		 3646 break;
3647 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP:
76a95d75 3648 att_type = LPFC_ATT_LINK_UP;
da0436e9
JS		 3649 break;
3650 default:
3651 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3652 "0399 Invalid link attention type: x%x\n",
3653 bf_get(lpfc_acqe_link_status, acqe_link));
76a95d75 3654 att_type = LPFC_ATT_RESERVED;
da0436e9 3655 break;
5b75da2f 3656 }
da0436e9 3657 return att_type;
5b75da2f
JS		 3658}
3659
3660/**
da0436e9 3661 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
5b75da2f 3662 * @phba: pointer to lpfc hba data structure.
da0436e9 3663 * @acqe_link: pointer to the async link completion queue entry.
5b75da2f 3664 *
da0436e9
JS		 3665 * This routine is to parse the SLI4 link-attention link speed and translate
3666 * it into the base driver's link-attention link speed coding.
3667 *
3668 * Return: Link-attention link speed in terms of base driver's coding.
3669 **/
3670static uint8_t
3671lpfc_sli4_parse_latt_link_speed(struct lpfc_hba *phba,
3672 struct lpfc_acqe_link *acqe_link)
5b75da2f 3673{
da0436e9
JS		 3674 uint8_t link_speed;
3675
3676 switch (bf_get(lpfc_acqe_link_speed, acqe_link)) {
3677 case LPFC_ASYNC_LINK_SPEED_ZERO:
da0436e9 3678 case LPFC_ASYNC_LINK_SPEED_10MBPS:
da0436e9 3679 case LPFC_ASYNC_LINK_SPEED_100MBPS:
76a95d75 3680 link_speed = LPFC_LINK_SPEED_UNKNOWN;
da0436e9
JS		 3681 break;
3682 case LPFC_ASYNC_LINK_SPEED_1GBPS:
76a95d75 3683 link_speed = LPFC_LINK_SPEED_1GHZ;
da0436e9
JS		 3684 break;
3685 case LPFC_ASYNC_LINK_SPEED_10GBPS:
76a95d75 3686 link_speed = LPFC_LINK_SPEED_10GHZ;
da0436e9
JS		 3687 break;
3688 default:
3689 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3690 "0483 Invalid link-attention link speed: x%x\n",
3691 bf_get(lpfc_acqe_link_speed, acqe_link));
76a95d75 3692 link_speed = LPFC_LINK_SPEED_UNKNOWN;
da0436e9
JS		 3693 break;
3694 }
3695 return link_speed;
3696}
3697
8b68cd52
JS		 3698/**
3699 * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
3700 * @phba: pointer to lpfc hba data structure.
3701 *
3702 * This routine is to get an SLI3 FC port's link speed in Mbps.
3703 *
3704 * Return: link speed in terms of Mbps.
3705 **/
3706uint32_t
3707lpfc_sli_port_speed_get(struct lpfc_hba *phba)
3708{
3709 uint32_t link_speed;
3710
3711 if (!lpfc_is_link_up(phba))
3712 return 0;
3713
3714 switch (phba->fc_linkspeed) {
3715 case LPFC_LINK_SPEED_1GHZ:
3716 link_speed = 1000;
3717 break;
3718 case LPFC_LINK_SPEED_2GHZ:
3719 link_speed = 2000;
3720 break;
3721 case LPFC_LINK_SPEED_4GHZ:
3722 link_speed = 4000;
3723 break;
3724 case LPFC_LINK_SPEED_8GHZ:
3725 link_speed = 8000;
3726 break;
3727 case LPFC_LINK_SPEED_10GHZ:
3728 link_speed = 10000;
3729 break;
3730 case LPFC_LINK_SPEED_16GHZ:
3731 link_speed = 16000;
3732 break;
3733 default:
3734 link_speed = 0;
3735 }
3736 return link_speed;
3737}
3738
3739/**
3740 * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
3741 * @phba: pointer to lpfc hba data structure.
3742 * @evt_code: asynchronous event code.
3743 * @speed_code: asynchronous event link speed code.
3744 *
3745 * This routine is to parse the giving SLI4 async event link speed code into
3746 * value of Mbps for the link speed.
3747 *
3748 * Return: link speed in terms of Mbps.
3749 **/
3750static uint32_t
3751lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code,
3752 uint8_t speed_code)
3753{
3754 uint32_t port_speed;
3755
3756 switch (evt_code) {
3757 case LPFC_TRAILER_CODE_LINK:
3758 switch (speed_code) {
3759 case LPFC_EVT_CODE_LINK_NO_LINK:
3760 port_speed = 0;
3761 break;
3762 case LPFC_EVT_CODE_LINK_10_MBIT:
3763 port_speed = 10;
3764 break;
3765 case LPFC_EVT_CODE_LINK_100_MBIT:
3766 port_speed = 100;
3767 break;
3768 case LPFC_EVT_CODE_LINK_1_GBIT:
3769 port_speed = 1000;
3770 break;
3771 case LPFC_EVT_CODE_LINK_10_GBIT:
3772 port_speed = 10000;
3773 break;
3774 default:
3775 port_speed = 0;
3776 }
3777 break;
3778 case LPFC_TRAILER_CODE_FC:
3779 switch (speed_code) {
3780 case LPFC_EVT_CODE_FC_NO_LINK:
3781 port_speed = 0;
3782 break;
3783 case LPFC_EVT_CODE_FC_1_GBAUD:
3784 port_speed = 1000;
3785 break;
3786 case LPFC_EVT_CODE_FC_2_GBAUD:
3787 port_speed = 2000;
3788 break;
3789 case LPFC_EVT_CODE_FC_4_GBAUD:
3790 port_speed = 4000;
3791 break;
3792 case LPFC_EVT_CODE_FC_8_GBAUD:
3793 port_speed = 8000;
3794 break;
3795 case LPFC_EVT_CODE_FC_10_GBAUD:
3796 port_speed = 10000;
3797 break;
3798 case LPFC_EVT_CODE_FC_16_GBAUD:
3799 port_speed = 16000;
3800 break;
3801 default:
3802 port_speed = 0;
3803 }
3804 break;
3805 default:
3806 port_speed = 0;
3807 }
3808 return port_speed;
3809}
3810
da0436e9 3811/**
70f3c073 3812 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
da0436e9
JS		 3813 * @phba: pointer to lpfc hba data structure.
3814 * @acqe_link: pointer to the async link completion queue entry.
3815 *
70f3c073 3816 * This routine is to handle the SLI4 asynchronous FCoE link event.
da0436e9
JS		 3817 **/
3818static void
3819lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
3820 struct lpfc_acqe_link *acqe_link)
3821{
3822 struct lpfc_dmabuf *mp;
3823 LPFC_MBOXQ_t *pmb;
3824 MAILBOX_t *mb;
76a95d75 3825 struct lpfc_mbx_read_top *la;
da0436e9 3826 uint8_t att_type;
76a95d75 3827 int rc;
da0436e9
JS		 3828
3829 att_type = lpfc_sli4_parse_latt_type(phba, acqe_link);
76a95d75 3830 if (att_type != LPFC_ATT_LINK_DOWN && att_type != LPFC_ATT_LINK_UP)
da0436e9 3831 return;
32b9793f 3832 phba->fcoe_eventtag = acqe_link->event_tag;
da0436e9
JS		 3833 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3834 if (!pmb) {
3835 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3836 "0395 The mboxq allocation failed\n");
3837 return;
3838 }
3839 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3840 if (!mp) {
3841 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3842 "0396 The lpfc_dmabuf allocation failed\n");
3843 goto out_free_pmb;
3844 }
3845 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
3846 if (!mp->virt) {
3847 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3848 "0397 The mbuf allocation failed\n");
3849 goto out_free_dmabuf;
3850 }
3851
3852 /* Cleanup any outstanding ELS commands */
3853 lpfc_els_flush_all_cmd(phba);
3854
3855 /* Block ELS IOCBs until we have done process link event */
3856 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
3857
3858 /* Update link event statistics */
3859 phba->sli.slistat.link_event++;
3860
76a95d75
JS		 3861 /* Create lpfc_handle_latt mailbox command from link ACQE */
3862 lpfc_read_topology(phba, pmb, mp);
3863 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
da0436e9
JS		 3864 pmb->vport = phba->pport;
3865
da0436e9
JS		 3866 /* Keep the link status for extra SLI4 state machine reference */
3867 phba->sli4_hba.link_state.speed =
8b68cd52
JS		 3868 lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_LINK,
3869 bf_get(lpfc_acqe_link_speed, acqe_link));
da0436e9
JS		 3870 phba->sli4_hba.link_state.duplex =
3871 bf_get(lpfc_acqe_link_duplex, acqe_link);
3872 phba->sli4_hba.link_state.status =
3873 bf_get(lpfc_acqe_link_status, acqe_link);
70f3c073
JS		 3874 phba->sli4_hba.link_state.type =
3875 bf_get(lpfc_acqe_link_type, acqe_link);
3876 phba->sli4_hba.link_state.number =
3877 bf_get(lpfc_acqe_link_number, acqe_link);
da0436e9
JS		 3878 phba->sli4_hba.link_state.fault =
3879 bf_get(lpfc_acqe_link_fault, acqe_link);
65467b6b 3880 phba->sli4_hba.link_state.logical_speed =
8b68cd52
JS		 3881 bf_get(lpfc_acqe_logical_link_speed, acqe_link) * 10;
3882
70f3c073 3883 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
c31098ce
JS		 3884 "2900 Async FC/FCoE Link event - Speed:%dGBit "
3885 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
3886 "Logical speed:%dMbps Fault:%d\n",
70f3c073
JS		 3887 phba->sli4_hba.link_state.speed,
3888 phba->sli4_hba.link_state.topology,
3889 phba->sli4_hba.link_state.status,
3890 phba->sli4_hba.link_state.type,
3891 phba->sli4_hba.link_state.number,
8b68cd52 3892 phba->sli4_hba.link_state.logical_speed,
70f3c073 3893 phba->sli4_hba.link_state.fault);
76a95d75
JS		 3894 /*
3895 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
3896 * topology info. Note: Optional for non FC-AL ports.
3897 */
3898 if (!(phba->hba_flag & HBA_FCOE_MODE)) {
3899 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
3900 if (rc == MBX_NOT_FINISHED)
3901 goto out_free_dmabuf;
3902 return;
3903 }
3904 /*
3905 * For FCoE Mode: fill in all the topology information we need and call
3906 * the READ_TOPOLOGY completion routine to continue without actually
3907 * sending the READ_TOPOLOGY mailbox command to the port.
3908 */
3909 /* Parse and translate status field */
3910 mb = &pmb->u.mb;
3911 mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link);
3912
3913 /* Parse and translate link attention fields */
3914 la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop;
3915 la->eventTag = acqe_link->event_tag;
3916 bf_set(lpfc_mbx_read_top_att_type, la, att_type);
3917 bf_set(lpfc_mbx_read_top_link_spd, la,
3918 lpfc_sli4_parse_latt_link_speed(phba, acqe_link));
3919
3920 /* Fake the the following irrelvant fields */
3921 bf_set(lpfc_mbx_read_top_topology, la, LPFC_TOPOLOGY_PT_PT);
3922 bf_set(lpfc_mbx_read_top_alpa_granted, la, 0);
3923 bf_set(lpfc_mbx_read_top_il, la, 0);
3924 bf_set(lpfc_mbx_read_top_pb, la, 0);
3925 bf_set(lpfc_mbx_read_top_fa, la, 0);
3926 bf_set(lpfc_mbx_read_top_mm, la, 0);
da0436e9
JS		 3927
3928 /* Invoke the lpfc_handle_latt mailbox command callback function */
76a95d75 3929 lpfc_mbx_cmpl_read_topology(phba, pmb);
da0436e9 3930
5b75da2f 3931 return;
da0436e9
JS		 3932
3933out_free_dmabuf:
3934 kfree(mp);
3935out_free_pmb:
3936 mempool_free(pmb, phba->mbox_mem_pool);
3937}
3938
70f3c073
JS		 3939/**
3940 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
3941 * @phba: pointer to lpfc hba data structure.
3942 * @acqe_fc: pointer to the async fc completion queue entry.
3943 *
3944 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
3945 * that the event was received and then issue a read_topology mailbox command so
3946 * that the rest of the driver will treat it the same as SLI3.
3947 **/
3948static void
3949lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
3950{
3951 struct lpfc_dmabuf *mp;
3952 LPFC_MBOXQ_t *pmb;
3953 int rc;
3954
3955 if (bf_get(lpfc_trailer_type, acqe_fc) !=
3956 LPFC_FC_LA_EVENT_TYPE_FC_LINK) {
3957 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3958 "2895 Non FC link Event detected.(%d)\n",
3959 bf_get(lpfc_trailer_type, acqe_fc));
3960 return;
3961 }
3962 /* Keep the link status for extra SLI4 state machine reference */
3963 phba->sli4_hba.link_state.speed =
8b68cd52
JS		 3964 lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC,
3965 bf_get(lpfc_acqe_fc_la_speed, acqe_fc));
70f3c073
JS		 3966 phba->sli4_hba.link_state.duplex = LPFC_ASYNC_LINK_DUPLEX_FULL;
3967 phba->sli4_hba.link_state.topology =
3968 bf_get(lpfc_acqe_fc_la_topology, acqe_fc);
3969 phba->sli4_hba.link_state.status =
3970 bf_get(lpfc_acqe_fc_la_att_type, acqe_fc);
3971 phba->sli4_hba.link_state.type =
3972 bf_get(lpfc_acqe_fc_la_port_type, acqe_fc);
3973 phba->sli4_hba.link_state.number =
3974 bf_get(lpfc_acqe_fc_la_port_number, acqe_fc);
3975 phba->sli4_hba.link_state.fault =
3976 bf_get(lpfc_acqe_link_fault, acqe_fc);
3977 phba->sli4_hba.link_state.logical_speed =
8b68cd52 3978 bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10;
70f3c073
JS		 3979 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3980 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
3981 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
3982 "%dMbps Fault:%d\n",
3983 phba->sli4_hba.link_state.speed,
3984 phba->sli4_hba.link_state.topology,
3985 phba->sli4_hba.link_state.status,
3986 phba->sli4_hba.link_state.type,
3987 phba->sli4_hba.link_state.number,
8b68cd52 3988 phba->sli4_hba.link_state.logical_speed,
70f3c073
JS		 3989 phba->sli4_hba.link_state.fault);
3990 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3991 if (!pmb) {
3992 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3993 "2897 The mboxq allocation failed\n");
3994 return;
3995 }
3996 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3997 if (!mp) {
3998 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3999 "2898 The lpfc_dmabuf allocation failed\n");
4000 goto out_free_pmb;
4001 }
4002 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
4003 if (!mp->virt) {
4004 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4005 "2899 The mbuf allocation failed\n");
4006 goto out_free_dmabuf;
4007 }
4008
4009 /* Cleanup any outstanding ELS commands */
4010 lpfc_els_flush_all_cmd(phba);
4011
4012 /* Block ELS IOCBs until we have done process link event */
4013 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
4014
4015 /* Update link event statistics */
4016 phba->sli.slistat.link_event++;
4017
4018 /* Create lpfc_handle_latt mailbox command from link ACQE */
4019 lpfc_read_topology(phba, pmb, mp);
4020 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
4021 pmb->vport = phba->pport;
4022
4023 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
4024 if (rc == MBX_NOT_FINISHED)
4025 goto out_free_dmabuf;
4026 return;
4027
4028out_free_dmabuf:
4029 kfree(mp);
4030out_free_pmb:
4031 mempool_free(pmb, phba->mbox_mem_pool);
4032}
4033
4034/**
4035 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
4036 * @phba: pointer to lpfc hba data structure.
4037 * @acqe_fc: pointer to the async SLI completion queue entry.
4038 *
4039 * This routine is to handle the SLI4 asynchronous SLI events.
4040 **/
4041static void
4042lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli)
4043{
4b8bae08 4044 char port_name;
8c1312e1 4045 char message[128];
4b8bae08
JS		 4046 uint8_t status;
4047 struct lpfc_acqe_misconfigured_event *misconfigured;
4048
4049 /* special case misconfigured event as it contains data for all ports */
4050 if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
4051 LPFC_SLI_INTF_IF_TYPE_2) ||
4052 (bf_get(lpfc_trailer_type, acqe_sli) !=
4053 LPFC_SLI_EVENT_TYPE_MISCONFIGURED)) {
4054 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
4055 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
4056 "x%08x SLI Event Type:%d\n",
4057 acqe_sli->event_data1, acqe_sli->event_data2,
4058 bf_get(lpfc_trailer_type, acqe_sli));
4059 return;
4060 }
4061
4062 port_name = phba->Port[0];
4063 if (port_name == 0x00)
4064 port_name = '?'; /* get port name is empty */
4065
4066 misconfigured = (struct lpfc_acqe_misconfigured_event *)
4067 &acqe_sli->event_data1;
4068
4069 /* fetch the status for this port */
4070 switch (phba->sli4_hba.lnk_info.lnk_no) {
4071 case LPFC_LINK_NUMBER_0:
4072 status = bf_get(lpfc_sli_misconfigured_port0,
4073 &misconfigured->theEvent);
4074 break;
4075 case LPFC_LINK_NUMBER_1:
4076 status = bf_get(lpfc_sli_misconfigured_port1,
4077 &misconfigured->theEvent);
4078 break;
4079 case LPFC_LINK_NUMBER_2:
4080 status = bf_get(lpfc_sli_misconfigured_port2,
4081 &misconfigured->theEvent);
4082 break;
4083 case LPFC_LINK_NUMBER_3:
4084 status = bf_get(lpfc_sli_misconfigured_port3,
4085 &misconfigured->theEvent);
4086 break;
4087 default:
4088 status = ~LPFC_SLI_EVENT_STATUS_VALID;
4089 break;
4090 }
4091
4092 switch (status) {
4093 case LPFC_SLI_EVENT_STATUS_VALID:
4094 return; /* no message if the sfp is okay */
4095 case LPFC_SLI_EVENT_STATUS_NOT_PRESENT:
292098be
JS		 4096 sprintf(message, "Optics faulted/incorrectly installed/not " \
4097 "installed - Reseat optics, if issue not "
4098 "resolved, replace.");
4b8bae08
JS		 4099 break;
4100 case LPFC_SLI_EVENT_STATUS_WRONG_TYPE:
4101 sprintf(message,
292098be
JS		 4102 "Optics of two types installed - Remove one optic or " \
4103 "install matching pair of optics.");
4b8bae08
JS		 4104 break;
4105 case LPFC_SLI_EVENT_STATUS_UNSUPPORTED:
292098be
JS		 4106 sprintf(message, "Incompatible optics - Replace with " \
4107 "compatible optics for card to function.");
4b8bae08
JS		 4108 break;
4109 default:
4110 /* firmware is reporting a status we don't know about */
4111 sprintf(message, "Unknown event status x%02x", status);
4112 break;
4113 }
4114
4115 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4116 "3176 Misconfigured Physical Port - "
4117 "Port Name %c %s\n", port_name, message);
70f3c073
JS		 4118}
4119
fc2b989b
JS		 4120/**
4121 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
4122 * @vport: pointer to vport data structure.
4123 *
4124 * This routine is to perform Clear Virtual Link (CVL) on a vport in
4125 * response to a CVL event.
4126 *
4127 * Return the pointer to the ndlp with the vport if successful, otherwise
4128 * return NULL.
4129 **/
4130static struct lpfc_nodelist *
4131lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport)
4132{
4133 struct lpfc_nodelist *ndlp;
4134 struct Scsi_Host *shost;
4135 struct lpfc_hba *phba;
4136
4137 if (!vport)
4138 return NULL;
fc2b989b
JS		 4139 phba = vport->phba;
4140 if (!phba)
4141 return NULL;
78730cfe
JS		 4142 ndlp = lpfc_findnode_did(vport, Fabric_DID);
4143 if (!ndlp) {
4144 /* Cannot find existing Fabric ndlp, so allocate a new one */
4145 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
4146 if (!ndlp)
4147 return 0;
4148 lpfc_nlp_init(vport, ndlp, Fabric_DID);
4149 /* Set the node type */
4150 ndlp->nlp_type |= NLP_FABRIC;
4151 /* Put ndlp onto node list */
4152 lpfc_enqueue_node(vport, ndlp);
4153 } else if (!NLP_CHK_NODE_ACT(ndlp)) {
4154 /* re-setup ndlp without removing from node list */
4155 ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
4156 if (!ndlp)
4157 return 0;
4158 }
63e801ce
JS		 4159 if ((phba->pport->port_state < LPFC_FLOGI) &&
4160 (phba->pport->port_state != LPFC_VPORT_FAILED))
fc2b989b
JS		 4161 return NULL;
4162 /* If virtual link is not yet instantiated ignore CVL */
63e801ce
JS		 4163 if ((vport != phba->pport) && (vport->port_state < LPFC_FDISC)
4164 && (vport->port_state != LPFC_VPORT_FAILED))
fc2b989b
JS		 4165 return NULL;
4166 shost = lpfc_shost_from_vport(vport);
4167 if (!shost)
4168 return NULL;
4169 lpfc_linkdown_port(vport);
4170 lpfc_cleanup_pending_mbox(vport);
4171 spin_lock_irq(shost->host_lock);
4172 vport->fc_flag |= FC_VPORT_CVL_RCVD;
4173 spin_unlock_irq(shost->host_lock);
4174
4175 return ndlp;
4176}
4177
4178/**
4179 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
4180 * @vport: pointer to lpfc hba data structure.
4181 *
4182 * This routine is to perform Clear Virtual Link (CVL) on all vports in
4183 * response to a FCF dead event.
4184 **/
4185static void
4186lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba)
4187{
4188 struct lpfc_vport **vports;
4189 int i;
4190
4191 vports = lpfc_create_vport_work_array(phba);
4192 if (vports)
4193 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
4194 lpfc_sli4_perform_vport_cvl(vports[i]);
4195 lpfc_destroy_vport_work_array(phba, vports);
4196}
4197
da0436e9 4198/**
76a95d75 4199 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
da0436e9
JS		 4200 * @phba: pointer to lpfc hba data structure.
4201 * @acqe_link: pointer to the async fcoe completion queue entry.
4202 *
4203 * This routine is to handle the SLI4 asynchronous fcoe event.
4204 **/
4205static void
76a95d75 4206lpfc_sli4_async_fip_evt(struct lpfc_hba *phba,
70f3c073 4207 struct lpfc_acqe_fip *acqe_fip)
da0436e9 4208{
70f3c073 4209 uint8_t event_type = bf_get(lpfc_trailer_type, acqe_fip);
da0436e9 4210 int rc;
6669f9bb
JS		 4211 struct lpfc_vport *vport;
4212 struct lpfc_nodelist *ndlp;
4213 struct Scsi_Host *shost;
695a814e
JS		 4214 int active_vlink_present;
4215 struct lpfc_vport **vports;
4216 int i;
da0436e9 4217
70f3c073
JS		 4218 phba->fc_eventTag = acqe_fip->event_tag;
4219 phba->fcoe_eventtag = acqe_fip->event_tag;
da0436e9 4220 switch (event_type) {
70f3c073
JS		 4221 case LPFC_FIP_EVENT_TYPE_NEW_FCF:
4222 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD:
4223 if (event_type == LPFC_FIP_EVENT_TYPE_NEW_FCF)
999d813f
JS		 4224 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
4225 LOG_DISCOVERY,
a93ff37a
JS		 4226 "2546 New FCF event, evt_tag:x%x, "
4227 "index:x%x\n",
70f3c073
JS		 4228 acqe_fip->event_tag,
4229 acqe_fip->index);
999d813f
JS		 4230 else
4231 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP |
4232 LOG_DISCOVERY,
a93ff37a
JS		 4233 "2788 FCF param modified event, "
4234 "evt_tag:x%x, index:x%x\n",
70f3c073
JS		 4235 acqe_fip->event_tag,
4236 acqe_fip->index);
38b92ef8 4237 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
0c9ab6f5
JS		 4238 /*
4239 * During period of FCF discovery, read the FCF
4240 * table record indexed by the event to update
a93ff37a 4241 * FCF roundrobin failover eligible FCF bmask.
0c9ab6f5
JS		 4242 */
4243 lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
4244 LOG_DISCOVERY,
a93ff37a
JS		 4245 "2779 Read FCF (x%x) for updating "
4246 "roundrobin FCF failover bmask\n",
70f3c073
JS		 4247 acqe_fip->index);
4248 rc = lpfc_sli4_read_fcf_rec(phba, acqe_fip->index);
0c9ab6f5 4249 }
38b92ef8
JS		 4250
4251 /* If the FCF discovery is in progress, do nothing. */
3804dc84 4252 spin_lock_irq(&phba->hbalock);
a93ff37a 4253 if (phba->hba_flag & FCF_TS_INPROG) {
38b92ef8
JS		 4254 spin_unlock_irq(&phba->hbalock);
4255 break;
4256 }
4257 /* If fast FCF failover rescan event is pending, do nothing */
4258 if (phba->fcf.fcf_flag & FCF_REDISC_EVT) {
4259 spin_unlock_irq(&phba->hbalock);
4260 break;
4261 }
4262
c2b9712e
JS		 4263 /* If the FCF has been in discovered state, do nothing. */
4264 if (phba->fcf.fcf_flag & FCF_SCAN_DONE) {
3804dc84
JS		 4265 spin_unlock_irq(&phba->hbalock);
4266 break;
4267 }
4268 spin_unlock_irq(&phba->hbalock);
38b92ef8 4269
0c9ab6f5
JS		 4270 /* Otherwise, scan the entire FCF table and re-discover SAN */
4271 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
a93ff37a
JS		 4272 "2770 Start FCF table scan per async FCF "
4273 "event, evt_tag:x%x, index:x%x\n",
70f3c073 4274 acqe_fip->event_tag, acqe_fip->index);
0c9ab6f5
JS		 4275 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
4276 LPFC_FCOE_FCF_GET_FIRST);
da0436e9 4277 if (rc)
0c9ab6f5
JS		 4278 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
4279 "2547 Issue FCF scan read FCF mailbox "
a93ff37a 4280 "command failed (x%x)\n", rc);
da0436e9
JS		 4281 break;
4282
70f3c073 4283 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL:
da0436e9 4284 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
e4e74273 4285 "2548 FCF Table full count 0x%x tag 0x%x\n",
70f3c073
JS		 4286 bf_get(lpfc_acqe_fip_fcf_count, acqe_fip),
4287 acqe_fip->event_tag);
da0436e9
JS		 4288 break;
4289
70f3c073 4290 case LPFC_FIP_EVENT_TYPE_FCF_DEAD:
80c17849 4291 phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
0c9ab6f5 4292 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
a93ff37a 4293 "2549 FCF (x%x) disconnected from network, "
70f3c073 4294 "tag:x%x\n", acqe_fip->index, acqe_fip->event_tag);
38b92ef8
JS		 4295 /*
4296 * If we are in the middle of FCF failover process, clear
4297 * the corresponding FCF bit in the roundrobin bitmap.
da0436e9 4298 */
fc2b989b 4299 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4300 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
fc2b989b 4301 spin_unlock_irq(&phba->hbalock);
0c9ab6f5 4302 /* Update FLOGI FCF failover eligible FCF bmask */
70f3c073 4303 lpfc_sli4_fcf_rr_index_clear(phba, acqe_fip->index);
fc2b989b
JS		 4304 break;
4305 }
38b92ef8
JS		 4306 spin_unlock_irq(&phba->hbalock);
4307
4308 /* If the event is not for currently used fcf do nothing */
70f3c073 4309 if (phba->fcf.current_rec.fcf_indx != acqe_fip->index)
38b92ef8
JS		 4310 break;
4311
4312 /*
4313 * Otherwise, request the port to rediscover the entire FCF
4314 * table for a fast recovery from case that the current FCF
4315 * is no longer valid as we are not in the middle of FCF
4316 * failover process already.
4317 */
c2b9712e
JS		 4318 spin_lock_irq(&phba->hbalock);
4319 /* Mark the fast failover process in progress */
4320 phba->fcf.fcf_flag |= FCF_DEAD_DISC;
4321 spin_unlock_irq(&phba->hbalock);
4322
4323 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
4324 "2771 Start FCF fast failover process due to "
4325 "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
4326 "\n", acqe_fip->event_tag, acqe_fip->index);
4327 rc = lpfc_sli4_redisc_fcf_table(phba);
4328 if (rc) {
4329 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
4330 LOG_DISCOVERY,
4331 "2772 Issue FCF rediscover mabilbox "
4332 "command failed, fail through to FCF "
4333 "dead event\n");
4334 spin_lock_irq(&phba->hbalock);
4335 phba->fcf.fcf_flag &= ~FCF_DEAD_DISC;
4336 spin_unlock_irq(&phba->hbalock);
4337 /*
4338 * Last resort will fail over by treating this
4339 * as a link down to FCF registration.
4340 */
4341 lpfc_sli4_fcf_dead_failthrough(phba);
4342 } else {
4343 /* Reset FCF roundrobin bmask for new discovery */
4344 lpfc_sli4_clear_fcf_rr_bmask(phba);
4345 /*
4346 * Handling fast FCF failover to a DEAD FCF event is
4347 * considered equalivant to receiving CVL to all vports.
4348 */
4349 lpfc_sli4_perform_all_vport_cvl(phba);
4350 }
da0436e9 4351 break;
70f3c073 4352 case LPFC_FIP_EVENT_TYPE_CVL:
80c17849 4353 phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
0c9ab6f5 4354 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
6669f9bb 4355 "2718 Clear Virtual Link Received for VPI 0x%x"
70f3c073 4356 " tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag);
6d368e53 4357
6669f9bb 4358 vport = lpfc_find_vport_by_vpid(phba,
5248a749 4359 acqe_fip->index);
fc2b989b 4360 ndlp = lpfc_sli4_perform_vport_cvl(vport);
6669f9bb
JS		 4361 if (!ndlp)
4362 break;
695a814e
JS		 4363 active_vlink_present = 0;
4364
4365 vports = lpfc_create_vport_work_array(phba);
4366 if (vports) {
4367 for (i = 0; i <= phba->max_vports && vports[i] != NULL;
4368 i++) {
4369 if ((!(vports[i]->fc_flag &
4370 FC_VPORT_CVL_RCVD)) &&
4371 (vports[i]->port_state > LPFC_FDISC)) {
4372 active_vlink_present = 1;
4373 break;
4374 }
4375 }
4376 lpfc_destroy_vport_work_array(phba, vports);
4377 }
4378
4379 if (active_vlink_present) {
4380 /*
4381 * If there are other active VLinks present,
4382 * re-instantiate the Vlink using FDISC.
4383 */
256ec0d0
JS		 4384 mod_timer(&ndlp->nlp_delayfunc,
4385 jiffies + msecs_to_jiffies(1000));
fc2b989b 4386 shost = lpfc_shost_from_vport(vport);
6669f9bb
JS		 4387 spin_lock_irq(shost->host_lock);
4388 ndlp->nlp_flag |= NLP_DELAY_TMO;
4389 spin_unlock_irq(shost->host_lock);
695a814e
JS		 4390 ndlp->nlp_last_elscmd = ELS_CMD_FDISC;
4391 vport->port_state = LPFC_FDISC;
4392 } else {
ecfd03c6
JS		 4393 /*
4394 * Otherwise, we request port to rediscover
4395 * the entire FCF table for a fast recovery
4396 * from possible case that the current FCF
0c9ab6f5
JS		 4397 * is no longer valid if we are not already
4398 * in the FCF failover process.
ecfd03c6 4399 */
fc2b989b 4400 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4401 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
fc2b989b
JS		 4402 spin_unlock_irq(&phba->hbalock);
4403 break;
4404 }
4405 /* Mark the fast failover process in progress */
0c9ab6f5 4406 phba->fcf.fcf_flag |= FCF_ACVL_DISC;
fc2b989b 4407 spin_unlock_irq(&phba->hbalock);
0c9ab6f5
JS		 4408 lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
4409 LOG_DISCOVERY,
a93ff37a 4410 "2773 Start FCF failover per CVL, "
70f3c073 4411 "evt_tag:x%x\n", acqe_fip->event_tag);
ecfd03c6 4412 rc = lpfc_sli4_redisc_fcf_table(phba);
fc2b989b 4413 if (rc) {
0c9ab6f5
JS		 4414 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
4415 LOG_DISCOVERY,
4416 "2774 Issue FCF rediscover "
4417 "mabilbox command failed, "
4418 "through to CVL event\n");
fc2b989b 4419 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4420 phba->fcf.fcf_flag &= ~FCF_ACVL_DISC;
fc2b989b 4421 spin_unlock_irq(&phba->hbalock);
ecfd03c6
JS		 4422 /*
4423 * Last resort will be re-try on the
4424 * the current registered FCF entry.
4425 */
4426 lpfc_retry_pport_discovery(phba);
38b92ef8
JS		 4427 } else
4428 /*
4429 * Reset FCF roundrobin bmask for new
4430 * discovery.
4431 */
7d791df7 4432 lpfc_sli4_clear_fcf_rr_bmask(phba);
6669f9bb
JS		 4433 }
4434 break;
da0436e9
JS		 4435 default:
4436 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4437 "0288 Unknown FCoE event type 0x%x event tag "
70f3c073 4438 "0x%x\n", event_type, acqe_fip->event_tag);
da0436e9
JS		 4439 break;
4440 }
4441}
4442
4443/**
4444 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
4445 * @phba: pointer to lpfc hba data structure.
4446 * @acqe_link: pointer to the async dcbx completion queue entry.
4447 *
4448 * This routine is to handle the SLI4 asynchronous dcbx event.
4449 **/
4450static void
4451lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba,
4452 struct lpfc_acqe_dcbx *acqe_dcbx)
4453{
4d9ab994 4454 phba->fc_eventTag = acqe_dcbx->event_tag;
da0436e9
JS		 4455 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4456 "0290 The SLI4 DCBX asynchronous event is not "
4457 "handled yet\n");
4458}
4459
b19a061a
JS		 4460/**
4461 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
4462 * @phba: pointer to lpfc hba data structure.
4463 * @acqe_link: pointer to the async grp5 completion queue entry.
4464 *
4465 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
4466 * is an asynchronous notified of a logical link speed change. The Port
4467 * reports the logical link speed in units of 10Mbps.
4468 **/
4469static void
4470lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba,
4471 struct lpfc_acqe_grp5 *acqe_grp5)
4472{
4473 uint16_t prev_ll_spd;
4474
4475 phba->fc_eventTag = acqe_grp5->event_tag;
4476 phba->fcoe_eventtag = acqe_grp5->event_tag;
4477 prev_ll_spd = phba->sli4_hba.link_state.logical_speed;
4478 phba->sli4_hba.link_state.logical_speed =
8b68cd52 4479 (bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5)) * 10;
b19a061a
JS		 4480 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
4481 "2789 GRP5 Async Event: Updating logical link speed "
8b68cd52
JS		 4482 "from %dMbps to %dMbps\n", prev_ll_spd,
4483 phba->sli4_hba.link_state.logical_speed);
b19a061a
JS		 4484}
4485
da0436e9
JS		 4486/**
4487 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
4488 * @phba: pointer to lpfc hba data structure.
4489 *
4490 * This routine is invoked by the worker thread to process all the pending
4491 * SLI4 asynchronous events.
4492 **/
4493void lpfc_sli4_async_event_proc(struct lpfc_hba *phba)
4494{
4495 struct lpfc_cq_event *cq_event;
4496
4497 /* First, declare the async event has been handled */
4498 spin_lock_irq(&phba->hbalock);
4499 phba->hba_flag &= ~ASYNC_EVENT;
4500 spin_unlock_irq(&phba->hbalock);
4501 /* Now, handle all the async events */
4502 while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) {
4503 /* Get the first event from the head of the event queue */
4504 spin_lock_irq(&phba->hbalock);
4505 list_remove_head(&phba->sli4_hba.sp_asynce_work_queue,
4506 cq_event, struct lpfc_cq_event, list);
4507 spin_unlock_irq(&phba->hbalock);
4508 /* Process the asynchronous event */
4509 switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) {
4510 case LPFC_TRAILER_CODE_LINK:
4511 lpfc_sli4_async_link_evt(phba,
4512 &cq_event->cqe.acqe_link);
4513 break;
4514 case LPFC_TRAILER_CODE_FCOE:
70f3c073 4515 lpfc_sli4_async_fip_evt(phba, &cq_event->cqe.acqe_fip);
da0436e9
JS		 4516 break;
4517 case LPFC_TRAILER_CODE_DCBX:
4518 lpfc_sli4_async_dcbx_evt(phba,
4519 &cq_event->cqe.acqe_dcbx);
4520 break;
b19a061a
JS		 4521 case LPFC_TRAILER_CODE_GRP5:
4522 lpfc_sli4_async_grp5_evt(phba,
4523 &cq_event->cqe.acqe_grp5);
4524 break;
70f3c073
JS		 4525 case LPFC_TRAILER_CODE_FC:
4526 lpfc_sli4_async_fc_evt(phba, &cq_event->cqe.acqe_fc);
4527 break;
4528 case LPFC_TRAILER_CODE_SLI:
4529 lpfc_sli4_async_sli_evt(phba, &cq_event->cqe.acqe_sli);
4530 break;
da0436e9
JS		 4531 default:
4532 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4533 "1804 Invalid asynchrous event code: "
4534 "x%x\n", bf_get(lpfc_trailer_code,
4535 &cq_event->cqe.mcqe_cmpl));
4536 break;
4537 }
4538 /* Free the completion event processed to the free pool */
4539 lpfc_sli4_cq_event_release(phba, cq_event);
4540 }
4541}
4542
ecfd03c6
JS		 4543/**
4544 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
4545 * @phba: pointer to lpfc hba data structure.
4546 *
4547 * This routine is invoked by the worker thread to process FCF table
4548 * rediscovery pending completion event.
4549 **/
4550void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba)
4551{
4552 int rc;
4553
4554 spin_lock_irq(&phba->hbalock);
4555 /* Clear FCF rediscovery timeout event */
4556 phba->fcf.fcf_flag &= ~FCF_REDISC_EVT;
4557 /* Clear driver fast failover FCF record flag */
4558 phba->fcf.failover_rec.flag = 0;
4559 /* Set state for FCF fast failover */
4560 phba->fcf.fcf_flag |= FCF_REDISC_FOV;
4561 spin_unlock_irq(&phba->hbalock);
4562
4563 /* Scan FCF table from the first entry to re-discover SAN */
0c9ab6f5 4564 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
a93ff37a 4565 "2777 Start post-quiescent FCF table scan\n");
0c9ab6f5 4566 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
ecfd03c6 4567 if (rc)
0c9ab6f5
JS		 4568 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
4569 "2747 Issue FCF scan read FCF mailbox "
4570 "command failed 0x%x\n", rc);
ecfd03c6
JS		 4571}
4572
da0436e9
JS		 4573/**
4574 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
4575 * @phba: pointer to lpfc hba data structure.
4576 * @dev_grp: The HBA PCI-Device group number.
4577 *
4578 * This routine is invoked to set up the per HBA PCI-Device group function
4579 * API jump table entries.
4580 *
4581 * Return: 0 if success, otherwise -ENODEV
4582 **/
4583int
4584lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
4585{
4586 int rc;
4587
4588 /* Set up lpfc PCI-device group */
4589 phba->pci_dev_grp = dev_grp;
4590
4591 /* The LPFC_PCI_DEV_OC uses SLI4 */
4592 if (dev_grp == LPFC_PCI_DEV_OC)
4593 phba->sli_rev = LPFC_SLI_REV4;
4594
4595 /* Set up device INIT API function jump table */
4596 rc = lpfc_init_api_table_setup(phba, dev_grp);
4597 if (rc)
4598 return -ENODEV;
4599 /* Set up SCSI API function jump table */
4600 rc = lpfc_scsi_api_table_setup(phba, dev_grp);
4601 if (rc)
4602 return -ENODEV;
4603 /* Set up SLI API function jump table */
4604 rc = lpfc_sli_api_table_setup(phba, dev_grp);
4605 if (rc)
4606 return -ENODEV;
4607 /* Set up MBOX API function jump table */
4608 rc = lpfc_mbox_api_table_setup(phba, dev_grp);
4609 if (rc)
4610 return -ENODEV;
4611
4612 return 0;
5b75da2f
JS		 4613}
4614
4615/**
3621a710 4616 * lpfc_log_intr_mode - Log the active interrupt mode
5b75da2f
JS		 4617 * @phba: pointer to lpfc hba data structure.
4618 * @intr_mode: active interrupt mode adopted.
4619 *
4620 * This routine it invoked to log the currently used active interrupt mode
4621 * to the device.
3772a991
JS		 4622 **/
4623static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode)
5b75da2f
JS		 4624{
4625 switch (intr_mode) {
4626 case 0:
4627 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4628 "0470 Enable INTx interrupt mode.\n");
4629 break;
4630 case 1:
4631 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4632 "0481 Enabled MSI interrupt mode.\n");
4633 break;
4634 case 2:
4635 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4636 "0480 Enabled MSI-X interrupt mode.\n");
4637 break;
4638 default:
4639 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4640 "0482 Illegal interrupt mode.\n");
4641 break;
4642 }
4643 return;
4644}
4645
5b75da2f 4646/**
3772a991 4647 * lpfc_enable_pci_dev - Enable a generic PCI device.
5b75da2f
JS		 4648 * @phba: pointer to lpfc hba data structure.
4649 *
3772a991
JS		 4650 * This routine is invoked to enable the PCI device that is common to all
4651 * PCI devices.
5b75da2f
JS		 4652 *
4653 * Return codes
af901ca1 4654 * 0 - successful
3772a991 4655 * other values - error
5b75da2f 4656 **/
3772a991
JS		 4657static int
4658lpfc_enable_pci_dev(struct lpfc_hba *phba)
5b75da2f 4659{
3772a991 4660 struct pci_dev *pdev;
079b5c91 4661 int bars = 0;
5b75da2f 4662
3772a991
JS		 4663 /* Obtain PCI device reference */
4664 if (!phba->pcidev)
4665 goto out_error;
4666 else
4667 pdev = phba->pcidev;
4668 /* Select PCI BARs */
4669 bars = pci_select_bars(pdev, IORESOURCE_MEM);
4670 /* Enable PCI device */
4671 if (pci_enable_device_mem(pdev))
4672 goto out_error;
4673 /* Request PCI resource for the device */
4674 if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME))
4675 goto out_disable_device;
4676 /* Set up device as PCI master and save state for EEH */
4677 pci_set_master(pdev);
4678 pci_try_set_mwi(pdev);
4679 pci_save_state(pdev);
5b75da2f 4680
0558056c 4681 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
453193e0 4682 if (pci_is_pcie(pdev))
0558056c
JS		 4683 pdev->needs_freset = 1;
4684
3772a991 4685 return 0;
5b75da2f 4686
3772a991
JS		 4687out_disable_device:
4688 pci_disable_device(pdev);
4689out_error:
079b5c91
JS		 4690 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4691 "1401 Failed to enable pci device, bars:x%x\n", bars);
3772a991 4692 return -ENODEV;
5b75da2f
JS		 4693}
4694
4695/**
3772a991 4696 * lpfc_disable_pci_dev - Disable a generic PCI device.
5b75da2f
JS		 4697 * @phba: pointer to lpfc hba data structure.
4698 *
3772a991
JS		 4699 * This routine is invoked to disable the PCI device that is common to all
4700 * PCI devices.
5b75da2f
JS		 4701 **/
4702static void
3772a991 4703lpfc_disable_pci_dev(struct lpfc_hba *phba)
5b75da2f 4704{
3772a991
JS		 4705 struct pci_dev *pdev;
4706 int bars;
5b75da2f 4707
3772a991
JS		 4708 /* Obtain PCI device reference */
4709 if (!phba->pcidev)
4710 return;
4711 else
4712 pdev = phba->pcidev;
4713 /* Select PCI BARs */
4714 bars = pci_select_bars(pdev, IORESOURCE_MEM);
4715 /* Release PCI resource and disable PCI device */
4716 pci_release_selected_regions(pdev, bars);
4717 pci_disable_device(pdev);
5b75da2f
JS		 4718
4719 return;
4720}
4721
e59058c4 4722/**
3772a991
JS		 4723 * lpfc_reset_hba - Reset a hba
4724 * @phba: pointer to lpfc hba data structure.
e59058c4 4725 *
3772a991
JS		 4726 * This routine is invoked to reset a hba device. It brings the HBA
4727 * offline, performs a board restart, and then brings the board back
4728 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
4729 * on outstanding mailbox commands.
e59058c4 4730 **/
3772a991
JS		 4731void
4732lpfc_reset_hba(struct lpfc_hba *phba)
dea3101e 4733{
3772a991
JS		 4734 /* If resets are disabled then set error state and return. */
4735 if (!phba->cfg_enable_hba_reset) {
4736 phba->link_state = LPFC_HBA_ERROR;
4737 return;
4738 }
ee62021a
JS		 4739 if (phba->sli.sli_flag & LPFC_SLI_ACTIVE)
4740 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
4741 else
4742 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
3772a991
JS		 4743 lpfc_offline(phba);
4744 lpfc_sli_brdrestart(phba);
4745 lpfc_online(phba);
4746 lpfc_unblock_mgmt_io(phba);
4747}
dea3101e 4748
0a96e975
JS		 4749/**
4750 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
4751 * @phba: pointer to lpfc hba data structure.
4752 *
4753 * This function enables the PCI SR-IOV virtual functions to a physical
4754 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4755 * enable the number of virtual functions to the physical function. As
4756 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4757 * API call does not considered as an error condition for most of the device.
4758 **/
4759uint16_t
4760lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *phba)
4761{
4762 struct pci_dev *pdev = phba->pcidev;
4763 uint16_t nr_virtfn;
4764 int pos;
4765
0a96e975
JS		 4766 pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
4767 if (pos == 0)
4768 return 0;
4769
4770 pci_read_config_word(pdev, pos + PCI_SRIOV_TOTAL_VF, &nr_virtfn);
4771 return nr_virtfn;
4772}
4773
912e3acd
JS		 4774/**
4775 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
4776 * @phba: pointer to lpfc hba data structure.
4777 * @nr_vfn: number of virtual functions to be enabled.
4778 *
4779 * This function enables the PCI SR-IOV virtual functions to a physical
4780 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4781 * enable the number of virtual functions to the physical function. As
4782 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4783 * API call does not considered as an error condition for most of the device.
4784 **/
4785int
4786lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn)
4787{
4788 struct pci_dev *pdev = phba->pcidev;
0a96e975 4789 uint16_t max_nr_vfn;
912e3acd
JS		 4790 int rc;
4791
0a96e975
JS		 4792 max_nr_vfn = lpfc_sli_sriov_nr_virtfn_get(phba);
4793 if (nr_vfn > max_nr_vfn) {
4794 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4795 "3057 Requested vfs (%d) greater than "
4796 "supported vfs (%d)", nr_vfn, max_nr_vfn);
4797 return -EINVAL;
4798 }
4799
912e3acd
JS		 4800 rc = pci_enable_sriov(pdev, nr_vfn);
4801 if (rc) {
4802 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4803 "2806 Failed to enable sriov on this device "
4804 "with vfn number nr_vf:%d, rc:%d\n",
4805 nr_vfn, rc);
4806 } else
4807 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4808 "2807 Successful enable sriov on this device "
4809 "with vfn number nr_vf:%d\n", nr_vfn);
4810 return rc;
4811}
4812
3772a991
JS		 4813/**
4814 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
4815 * @phba: pointer to lpfc hba data structure.
4816 *
4817 * This routine is invoked to set up the driver internal resources specific to
4818 * support the SLI-3 HBA device it attached to.
4819 *
4820 * Return codes
af901ca1 4821 * 0 - successful
3772a991
JS		 4822 * other values - error
4823 **/
4824static int
4825lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
4826{
4827 struct lpfc_sli *psli;
912e3acd 4828 int rc;
dea3101e 4829
2e0fef85 4830 /*
3772a991 4831 * Initialize timers used by driver
2e0fef85 4832 */
dea3101e 4833
3772a991 4834 /* Heartbeat timer */
858c9f6c
JS		 4835 init_timer(&phba->hb_tmofunc);
4836 phba->hb_tmofunc.function = lpfc_hb_timeout;
4837 phba->hb_tmofunc.data = (unsigned long)phba;
4838
dea3101e 4839 psli = &phba->sli;
3772a991 4840 /* MBOX heartbeat timer */
dea3101e 4841 init_timer(&psli->mbox_tmo);
4842 psli->mbox_tmo.function = lpfc_mbox_timeout;
2e0fef85 4843 psli->mbox_tmo.data = (unsigned long) phba;
3772a991 4844 /* FCP polling mode timer */
875fbdfe
JSEC		 4845 init_timer(&phba->fcp_poll_timer);
4846 phba->fcp_poll_timer.function = lpfc_poll_timeout;
2e0fef85 4847 phba->fcp_poll_timer.data = (unsigned long) phba;
3772a991 4848 /* Fabric block timer */
92d7f7b0
JS		 4849 init_timer(&phba->fabric_block_timer);
4850 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
4851 phba->fabric_block_timer.data = (unsigned long) phba;
3772a991 4852 /* EA polling mode timer */
9399627f
JS		 4853 init_timer(&phba->eratt_poll);
4854 phba->eratt_poll.function = lpfc_poll_eratt;
4855 phba->eratt_poll.data = (unsigned long) phba;
dea3101e 4856
3772a991
JS		 4857 /* Host attention work mask setup */
4858 phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT);
4859 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
dea3101e 4860
3772a991
JS		 4861 /* Get all the module params for configuring this host */
4862 lpfc_get_cfgparam(phba);
49198b37
JS		 4863 if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) {
4864 phba->menlo_flag |= HBA_MENLO_SUPPORT;
4865 /* check for menlo minimum sg count */
4866 if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT)
4867 phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT;
4868 }
4869
2a76a283
JS		 4870 if (!phba->sli.ring)
4871 phba->sli.ring = (struct lpfc_sli_ring *)
4872 kzalloc(LPFC_SLI3_MAX_RING *
4873 sizeof(struct lpfc_sli_ring), GFP_KERNEL);
4874 if (!phba->sli.ring)
4875 return -ENOMEM;
4876
dea3101e 4877 /*
96f7077f 4878 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
3772a991 4879 * used to create the sg_dma_buf_pool must be dynamically calculated.
dea3101e 4880 */
3772a991 4881
96f7077f
JS		 4882 /* Initialize the host templates the configured values. */
4883 lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4884 lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4885
4886 /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */
3772a991 4887 if (phba->cfg_enable_bg) {
96f7077f
JS		 4888 /*
4889 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
4890 * the FCP rsp, and a BDE for each. Sice we have no control
4891 * over how many protection data segments the SCSI Layer
4892 * will hand us (ie: there could be one for every block
4893 * in the IO), we just allocate enough BDEs to accomidate
4894 * our max amount and we need to limit lpfc_sg_seg_cnt to
4895 * minimize the risk of running out.
4896 */
4897 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
4898 sizeof(struct fcp_rsp) +
4899 (LPFC_MAX_SG_SEG_CNT * sizeof(struct ulp_bde64));
4900
4901 if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SEG_CNT_DIF)
4902 phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT_DIF;
4903
4904 /* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */
4905 phba->cfg_total_seg_cnt = LPFC_MAX_SG_SEG_CNT;
4906 } else {
4907 /*
4908 * The scsi_buf for a regular I/O will hold the FCP cmnd,
4909 * the FCP rsp, a BDE for each, and a BDE for up to
4910 * cfg_sg_seg_cnt data segments.
4911 */
4912 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
4913 sizeof(struct fcp_rsp) +
4914 ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64));
4915
4916 /* Total BDEs in BPL for scsi_sg_list */
4917 phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2;
901a920f 4918 }
dea3101e 4919
96f7077f
JS		 4920 lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP,
4921 "9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n",
4922 phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size,
4923 phba->cfg_total_seg_cnt);
dea3101e 4924
3772a991
JS		 4925 phba->max_vpi = LPFC_MAX_VPI;
4926 /* This will be set to correct value after config_port mbox */
4927 phba->max_vports = 0;
dea3101e 4928
3772a991
JS		 4929 /*
4930 * Initialize the SLI Layer to run with lpfc HBAs.
4931 */
4932 lpfc_sli_setup(phba);
4933 lpfc_sli_queue_setup(phba);
ed957684 4934
3772a991
JS		 4935 /* Allocate device driver memory */
4936 if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ))
4937 return -ENOMEM;
51ef4c26 4938
912e3acd
JS		 4939 /*
4940 * Enable sr-iov virtual functions if supported and configured
4941 * through the module parameter.
4942 */
4943 if (phba->cfg_sriov_nr_virtfn > 0) {
4944 rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
4945 phba->cfg_sriov_nr_virtfn);
4946 if (rc) {
4947 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4948 "2808 Requested number of SR-IOV "
4949 "virtual functions (%d) is not "
4950 "supported\n",
4951 phba->cfg_sriov_nr_virtfn);
4952 phba->cfg_sriov_nr_virtfn = 0;
4953 }
4954 }
4955
3772a991
JS		 4956 return 0;
4957}
ed957684 4958
3772a991
JS		 4959/**
4960 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
4961 * @phba: pointer to lpfc hba data structure.
4962 *
4963 * This routine is invoked to unset the driver internal resources set up
4964 * specific for supporting the SLI-3 HBA device it attached to.
4965 **/
4966static void
4967lpfc_sli_driver_resource_unset(struct lpfc_hba *phba)
4968{
4969 /* Free device driver memory allocated */
4970 lpfc_mem_free_all(phba);
3163f725 4971
3772a991
JS		 4972 return;
4973}
dea3101e 4974
3772a991 4975/**
da0436e9 4976 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
3772a991
JS		 4977 * @phba: pointer to lpfc hba data structure.
4978 *
da0436e9
JS		 4979 * This routine is invoked to set up the driver internal resources specific to
4980 * support the SLI-4 HBA device it attached to.
3772a991
JS		 4981 *
4982 * Return codes
af901ca1 4983 * 0 - successful
da0436e9 4984 * other values - error
3772a991
JS		 4985 **/
4986static int
da0436e9 4987lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
3772a991 4988{
7bb03bbf 4989 struct lpfc_vector_map_info *cpup;
da0436e9 4990 struct lpfc_sli *psli;
28baac74 4991 LPFC_MBOXQ_t *mboxq;
96f7077f 4992 int rc, i, hbq_count, max_buf_size;
28baac74
JS		 4993 uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0};
4994 struct lpfc_mqe *mqe;
09294d46 4995 int longs;
1ba981fd 4996 int fof_vectors = 0;
da0436e9 4997
716d3bc5
JS		 4998 /* Get all the module params for configuring this host */
4999 lpfc_get_cfgparam(phba);
5000
da0436e9
JS		 5001 /* Before proceed, wait for POST done and device ready */
5002 rc = lpfc_sli4_post_status_check(phba);
5003 if (rc)
5004 return -ENODEV;
5005
3772a991 5006 /*
da0436e9 5007 * Initialize timers used by driver
3772a991 5008 */
3772a991 5009
da0436e9
JS		 5010 /* Heartbeat timer */
5011 init_timer(&phba->hb_tmofunc);
5012 phba->hb_tmofunc.function = lpfc_hb_timeout;
5013 phba->hb_tmofunc.data = (unsigned long)phba;
19ca7609
JS		 5014 init_timer(&phba->rrq_tmr);
5015 phba->rrq_tmr.function = lpfc_rrq_timeout;
5016 phba->rrq_tmr.data = (unsigned long)phba;
3772a991 5017
da0436e9
JS		 5018 psli = &phba->sli;
5019 /* MBOX heartbeat timer */
5020 init_timer(&psli->mbox_tmo);
5021 psli->mbox_tmo.function = lpfc_mbox_timeout;
5022 psli->mbox_tmo.data = (unsigned long) phba;
5023 /* Fabric block timer */
5024 init_timer(&phba->fabric_block_timer);
5025 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
5026 phba->fabric_block_timer.data = (unsigned long) phba;
5027 /* EA polling mode timer */
5028 init_timer(&phba->eratt_poll);
5029 phba->eratt_poll.function = lpfc_poll_eratt;
5030 phba->eratt_poll.data = (unsigned long) phba;
ecfd03c6
JS		 5031 /* FCF rediscover timer */
5032 init_timer(&phba->fcf.redisc_wait);
5033 phba->fcf.redisc_wait.function = lpfc_sli4_fcf_redisc_wait_tmo;
5034 phba->fcf.redisc_wait.data = (unsigned long)phba;
5035
7ad20aa9
JS		 5036 /*
5037 * Control structure for handling external multi-buffer mailbox
5038 * command pass-through.
5039 */
5040 memset((uint8_t *)&phba->mbox_ext_buf_ctx, 0,
5041 sizeof(struct lpfc_mbox_ext_buf_ctx));
5042 INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list);
5043
da0436e9 5044 phba->max_vpi = LPFC_MAX_VPI;
67d12733 5045
da0436e9
JS		 5046 /* This will be set to correct value after the read_config mbox */
5047 phba->max_vports = 0;
3772a991 5048
da0436e9
JS		 5049 /* Program the default value of vlan_id and fc_map */
5050 phba->valid_vlan = 0;
5051 phba->fc_map[0] = LPFC_FCOE_FCF_MAP0;
5052 phba->fc_map[1] = LPFC_FCOE_FCF_MAP1;
5053 phba->fc_map[2] = LPFC_FCOE_FCF_MAP2;
3772a991 5054
2a76a283
JS		 5055 /*
5056 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
5057 * we will associate a new ring, for each FCP fastpath EQ/CQ/WQ tuple.
5058 */
5059 if (!phba->sli.ring)
5060 phba->sli.ring = kzalloc(
67d12733 5061 (LPFC_SLI3_MAX_RING + phba->cfg_fcp_io_channel) *
2a76a283
JS		 5062 sizeof(struct lpfc_sli_ring), GFP_KERNEL);
5063 if (!phba->sli.ring)
5064 return -ENOMEM;
09294d46 5065
da0436e9 5066 /*
09294d46
JS		 5067 * It doesn't matter what family our adapter is in, we are
5068 * limited to 2 Pages, 512 SGEs, for our SGL.
5069 * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp
5070 */
5071 max_buf_size = (2 * SLI4_PAGE_SIZE);
5072 if (phba->cfg_sg_seg_cnt > LPFC_MAX_SGL_SEG_CNT - 2)
5073 phba->cfg_sg_seg_cnt = LPFC_MAX_SGL_SEG_CNT - 2;
09294d46 5074
da0436e9 5075 /*
96f7077f 5076 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
da0436e9 5077 * used to create the sg_dma_buf_pool must be dynamically calculated.
da0436e9 5078 */
96f7077f
JS		 5079
5080 if (phba->cfg_enable_bg) {
5081 /*
5082 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
5083 * the FCP rsp, and a SGE for each. Sice we have no control
5084 * over how many protection data segments the SCSI Layer
5085 * will hand us (ie: there could be one for every block
5086 * in the IO), we just allocate enough SGEs to accomidate
5087 * our max amount and we need to limit lpfc_sg_seg_cnt to
5088 * minimize the risk of running out.
5089 */
5090 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
5091 sizeof(struct fcp_rsp) + max_buf_size;
5092
5093 /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */
5094 phba->cfg_total_seg_cnt = LPFC_MAX_SGL_SEG_CNT;
5095
5096 if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SLI4_SEG_CNT_DIF)
5097 phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SLI4_SEG_CNT_DIF;
5098 } else {
5099 /*
5100 * The scsi_buf for a regular I/O will hold the FCP cmnd,
5101 * the FCP rsp, a SGE for each, and a SGE for up to
5102 * cfg_sg_seg_cnt data segments.
5103 */
5104 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
5105 sizeof(struct fcp_rsp) +
5106 ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge));
5107
5108 /* Total SGEs for scsi_sg_list */
5109 phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2;
5110 /*
5111 * NOTE: if (phba->cfg_sg_seg_cnt + 2) <= 256 we only need
5112 * to post 1 page for the SGL.
5113 */
085c647c 5114 }
acd6859b 5115
96f7077f
JS		 5116 /* Initialize the host templates with the updated values. */
5117 lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
5118 lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
5119
5120 if (phba->cfg_sg_dma_buf_size <= LPFC_MIN_SG_SLI4_BUF_SZ)
5121 phba->cfg_sg_dma_buf_size = LPFC_MIN_SG_SLI4_BUF_SZ;
5122 else
5123 phba->cfg_sg_dma_buf_size =
5124 SLI4_PAGE_ALIGN(phba->cfg_sg_dma_buf_size);
5125
5126 lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP,
5127 "9087 sg_tablesize:%d dmabuf_size:%d total_sge:%d\n",
5128 phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size,
5129 phba->cfg_total_seg_cnt);
3772a991 5130
da0436e9
JS		 5131 /* Initialize buffer queue management fields */
5132 hbq_count = lpfc_sli_hbq_count();
5133 for (i = 0; i < hbq_count; ++i)
5134 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
5135 INIT_LIST_HEAD(&phba->rb_pend_list);
5136 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc;
5137 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free;
3772a991 5138
da0436e9
JS		 5139 /*
5140 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
5141 */
5142 /* Initialize the Abort scsi buffer list used by driver */
5143 spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock);
5144 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
5145 /* This abort list used by worker thread */
5146 spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock);
3772a991 5147
da0436e9 5148 /*
6d368e53 5149 * Initialize driver internal slow-path work queues
da0436e9 5150 */
3772a991 5151
da0436e9
JS		 5152 /* Driver internel slow-path CQ Event pool */
5153 INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool);
5154 /* Response IOCB work queue list */
45ed1190 5155 INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event);
da0436e9
JS		 5156 /* Asynchronous event CQ Event work queue list */
5157 INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue);
5158 /* Fast-path XRI aborted CQ Event work queue list */
5159 INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue);
5160 /* Slow-path XRI aborted CQ Event work queue list */
5161 INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue);
5162 /* Receive queue CQ Event work queue list */
5163 INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue);
5164
6d368e53
JS		 5165 /* Initialize extent block lists. */
5166 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_blk_list);
5167 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_xri_blk_list);
5168 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_vfi_blk_list);
5169 INIT_LIST_HEAD(&phba->lpfc_vpi_blk_list);
5170
da0436e9
JS		 5171 /* Initialize the driver internal SLI layer lists. */
5172 lpfc_sli_setup(phba);
5173 lpfc_sli_queue_setup(phba);
3772a991 5174
da0436e9
JS		 5175 /* Allocate device driver memory */
5176 rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ);
5177 if (rc)
5178 return -ENOMEM;
5179
2fcee4bf
JS		 5180 /* IF Type 2 ports get initialized now. */
5181 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
5182 LPFC_SLI_INTF_IF_TYPE_2) {
5183 rc = lpfc_pci_function_reset(phba);
5184 if (unlikely(rc))
5185 return -ENODEV;
5186 }
5187
da0436e9
JS		 5188 /* Create the bootstrap mailbox command */
5189 rc = lpfc_create_bootstrap_mbox(phba);
5190 if (unlikely(rc))
5191 goto out_free_mem;
5192
5193 /* Set up the host's endian order with the device. */
5194 rc = lpfc_setup_endian_order(phba);
5195 if (unlikely(rc))
5196 goto out_free_bsmbx;
5197
5198 /* Set up the hba's configuration parameters. */
5199 rc = lpfc_sli4_read_config(phba);
cff261f6
JS		 5200 if (unlikely(rc))
5201 goto out_free_bsmbx;
5202 rc = lpfc_mem_alloc_active_rrq_pool_s4(phba);
da0436e9
JS		 5203 if (unlikely(rc))
5204 goto out_free_bsmbx;
5205
2fcee4bf
JS		 5206 /* IF Type 0 ports get initialized now. */
5207 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
5208 LPFC_SLI_INTF_IF_TYPE_0) {
5209 rc = lpfc_pci_function_reset(phba);
5210 if (unlikely(rc))
5211 goto out_free_bsmbx;
5212 }
da0436e9 5213
cb5172ea
JS		 5214 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
5215 GFP_KERNEL);
5216 if (!mboxq) {
5217 rc = -ENOMEM;
5218 goto out_free_bsmbx;
5219 }
5220
fedd3b7b 5221 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
cb5172ea
JS		 5222 lpfc_supported_pages(mboxq);
5223 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
fedd3b7b
JS		 5224 if (!rc) {
5225 mqe = &mboxq->u.mqe;
5226 memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3),
5227 LPFC_MAX_SUPPORTED_PAGES);
5228 for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) {
5229 switch (pn_page[i]) {
5230 case LPFC_SLI4_PARAMETERS:
5231 phba->sli4_hba.pc_sli4_params.supported = 1;
5232 break;
5233 default:
5234 break;
5235 }
5236 }
5237 /* Read the port's SLI4 Parameters capabilities if supported. */
5238 if (phba->sli4_hba.pc_sli4_params.supported)
5239 rc = lpfc_pc_sli4_params_get(phba, mboxq);
5240 if (rc) {
5241 mempool_free(mboxq, phba->mbox_mem_pool);
5242 rc = -EIO;
5243 goto out_free_bsmbx;
cb5172ea
JS		 5244 }
5245 }
fedd3b7b
JS		 5246 /*
5247 * Get sli4 parameters that override parameters from Port capabilities.
6d368e53
JS		 5248 * If this call fails, it isn't critical unless the SLI4 parameters come
5249 * back in conflict.
fedd3b7b 5250 */
6d368e53
JS		 5251 rc = lpfc_get_sli4_parameters(phba, mboxq);
5252 if (rc) {
5253 if (phba->sli4_hba.extents_in_use &&
5254 phba->sli4_hba.rpi_hdrs_in_use) {
5255 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5256 "2999 Unsupported SLI4 Parameters "
5257 "Extents and RPI headers enabled.\n");
5258 goto out_free_bsmbx;
5259 }
5260 }
cb5172ea 5261 mempool_free(mboxq, phba->mbox_mem_pool);
1ba981fd
JS		 5262
5263 /* Verify OAS is supported */
5264 lpfc_sli4_oas_verify(phba);
5265 if (phba->cfg_fof)
5266 fof_vectors = 1;
5267
5350d872
JS		 5268 /* Verify all the SLI4 queues */
5269 rc = lpfc_sli4_queue_verify(phba);
da0436e9
JS		 5270 if (rc)
5271 goto out_free_bsmbx;
5272
5273 /* Create driver internal CQE event pool */
5274 rc = lpfc_sli4_cq_event_pool_create(phba);
5275 if (rc)
5350d872 5276 goto out_free_bsmbx;
da0436e9 5277
8a9d2e80
JS		 5278 /* Initialize sgl lists per host */
5279 lpfc_init_sgl_list(phba);
5280
5281 /* Allocate and initialize active sgl array */
da0436e9
JS		 5282 rc = lpfc_init_active_sgl_array(phba);
5283 if (rc) {
5284 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5285 "1430 Failed to initialize sgl list.\n");
8a9d2e80 5286 goto out_destroy_cq_event_pool;
da0436e9 5287 }
da0436e9
JS		 5288 rc = lpfc_sli4_init_rpi_hdrs(phba);
5289 if (rc) {
5290 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5291 "1432 Failed to initialize rpi headers.\n");
5292 goto out_free_active_sgl;
5293 }
5294
a93ff37a 5295 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
0c9ab6f5
JS		 5296 longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG;
5297 phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long),
5298 GFP_KERNEL);
5299 if (!phba->fcf.fcf_rr_bmask) {
5300 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5301 "2759 Failed allocate memory for FCF round "
5302 "robin failover bmask\n");
0558056c 5303 rc = -ENOMEM;
0c9ab6f5
JS		 5304 goto out_remove_rpi_hdrs;
5305 }
5306
67d12733
JS		 5307 phba->sli4_hba.fcp_eq_hdl =
5308 kzalloc((sizeof(struct lpfc_fcp_eq_hdl) *
1ba981fd
JS		 5309 (fof_vectors + phba->cfg_fcp_io_channel)),
5310 GFP_KERNEL);
67d12733
JS		 5311 if (!phba->sli4_hba.fcp_eq_hdl) {
5312 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5313 "2572 Failed allocate memory for "
5314 "fast-path per-EQ handle array\n");
5315 rc = -ENOMEM;
5316 goto out_free_fcf_rr_bmask;
da0436e9
JS		 5317 }
5318
5319 phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) *
1ba981fd
JS		 5320 (fof_vectors +
5321 phba->cfg_fcp_io_channel)), GFP_KERNEL);
da0436e9
JS		 5322 if (!phba->sli4_hba.msix_entries) {
5323 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5324 "2573 Failed allocate memory for msi-x "
5325 "interrupt vector entries\n");
0558056c 5326 rc = -ENOMEM;
da0436e9
JS		 5327 goto out_free_fcp_eq_hdl;
5328 }
5329
7bb03bbf
JS		 5330 phba->sli4_hba.cpu_map = kzalloc((sizeof(struct lpfc_vector_map_info) *
5331 phba->sli4_hba.num_present_cpu),
5332 GFP_KERNEL);
5333 if (!phba->sli4_hba.cpu_map) {
5334 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5335 "3327 Failed allocate memory for msi-x "
5336 "interrupt vector mapping\n");
5337 rc = -ENOMEM;
5338 goto out_free_msix;
5339 }
b246de17
JS		 5340 if (lpfc_used_cpu == NULL) {
5341 lpfc_used_cpu = kzalloc((sizeof(uint16_t) * lpfc_present_cpu),
5342 GFP_KERNEL);
5343 if (!lpfc_used_cpu) {
5344 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5345 "3335 Failed allocate memory for msi-x "
5346 "interrupt vector mapping\n");
5347 kfree(phba->sli4_hba.cpu_map);
5348 rc = -ENOMEM;
5349 goto out_free_msix;
5350 }
5351 for (i = 0; i < lpfc_present_cpu; i++)
5352 lpfc_used_cpu[i] = LPFC_VECTOR_MAP_EMPTY;
5353 }
5354
7bb03bbf
JS		 5355 /* Initialize io channels for round robin */
5356 cpup = phba->sli4_hba.cpu_map;
5357 rc = 0;
5358 for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
5359 cpup->channel_id = rc;
5360 rc++;
5361 if (rc >= phba->cfg_fcp_io_channel)
5362 rc = 0;
5363 }
5364
912e3acd
JS		 5365 /*
5366 * Enable sr-iov virtual functions if supported and configured
5367 * through the module parameter.
5368 */
5369 if (phba->cfg_sriov_nr_virtfn > 0) {
5370 rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
5371 phba->cfg_sriov_nr_virtfn);
5372 if (rc) {
5373 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
5374 "3020 Requested number of SR-IOV "
5375 "virtual functions (%d) is not "
5376 "supported\n",
5377 phba->cfg_sriov_nr_virtfn);
5378 phba->cfg_sriov_nr_virtfn = 0;
5379 }
5380 }
5381
5248a749 5382 return 0;
da0436e9 5383
7bb03bbf
JS		 5384out_free_msix:
5385 kfree(phba->sli4_hba.msix_entries);
da0436e9
JS		 5386out_free_fcp_eq_hdl:
5387 kfree(phba->sli4_hba.fcp_eq_hdl);
0c9ab6f5
JS		 5388out_free_fcf_rr_bmask:
5389 kfree(phba->fcf.fcf_rr_bmask);
da0436e9
JS		 5390out_remove_rpi_hdrs:
5391 lpfc_sli4_remove_rpi_hdrs(phba);
5392out_free_active_sgl:
5393 lpfc_free_active_sgl(phba);
da0436e9
JS		 5394out_destroy_cq_event_pool:
5395 lpfc_sli4_cq_event_pool_destroy(phba);
da0436e9
JS		 5396out_free_bsmbx:
5397 lpfc_destroy_bootstrap_mbox(phba);
5398out_free_mem:
5399 lpfc_mem_free(phba);
5400 return rc;
5401}
5402
5403/**
5404 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
5405 * @phba: pointer to lpfc hba data structure.
5406 *
5407 * This routine is invoked to unset the driver internal resources set up
5408 * specific for supporting the SLI-4 HBA device it attached to.
5409 **/
5410static void
5411lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba)
5412{
5413 struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry;
5414
7bb03bbf
JS		 5415 /* Free memory allocated for msi-x interrupt vector to CPU mapping */
5416 kfree(phba->sli4_hba.cpu_map);
5417 phba->sli4_hba.num_present_cpu = 0;
5418 phba->sli4_hba.num_online_cpu = 0;
76fd07a6 5419 phba->sli4_hba.curr_disp_cpu = 0;
7bb03bbf 5420
da0436e9
JS		 5421 /* Free memory allocated for msi-x interrupt vector entries */
5422 kfree(phba->sli4_hba.msix_entries);
5423
5424 /* Free memory allocated for fast-path work queue handles */
5425 kfree(phba->sli4_hba.fcp_eq_hdl);
5426
5427 /* Free the allocated rpi headers. */
5428 lpfc_sli4_remove_rpi_hdrs(phba);
d11e31dd 5429 lpfc_sli4_remove_rpis(phba);
da0436e9 5430
0c9ab6f5
JS		 5431 /* Free eligible FCF index bmask */
5432 kfree(phba->fcf.fcf_rr_bmask);
5433
da0436e9
JS		 5434 /* Free the ELS sgl list */
5435 lpfc_free_active_sgl(phba);
8a9d2e80 5436 lpfc_free_els_sgl_list(phba);
da0436e9 5437
da0436e9
JS		 5438 /* Free the completion queue EQ event pool */
5439 lpfc_sli4_cq_event_release_all(phba);
5440 lpfc_sli4_cq_event_pool_destroy(phba);
5441
6d368e53
JS		 5442 /* Release resource identifiers. */
5443 lpfc_sli4_dealloc_resource_identifiers(phba);
5444
da0436e9
JS		 5445 /* Free the bsmbx region. */
5446 lpfc_destroy_bootstrap_mbox(phba);
5447
5448 /* Free the SLI Layer memory with SLI4 HBAs */
5449 lpfc_mem_free_all(phba);
5450
5451 /* Free the current connect table */
5452 list_for_each_entry_safe(conn_entry, next_conn_entry,
4d9ab994
JS		 5453 &phba->fcf_conn_rec_list, list) {
5454 list_del_init(&conn_entry->list);
da0436e9 5455 kfree(conn_entry);
4d9ab994 5456 }
da0436e9
JS		 5457
5458 return;
5459}
5460
5461/**
25985edc 5462 * lpfc_init_api_table_setup - Set up init api function jump table
da0436e9
JS		 5463 * @phba: The hba struct for which this call is being executed.
5464 * @dev_grp: The HBA PCI-Device group number.
5465 *
5466 * This routine sets up the device INIT interface API function jump table
5467 * in @phba struct.
5468 *
5469 * Returns: 0 - success, -ENODEV - failure.
5470 **/
5471int
5472lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
5473{
84d1b006
JS		 5474 phba->lpfc_hba_init_link = lpfc_hba_init_link;
5475 phba->lpfc_hba_down_link = lpfc_hba_down_link;
7f86059a 5476 phba->lpfc_selective_reset = lpfc_selective_reset;
da0436e9
JS		 5477 switch (dev_grp) {
5478 case LPFC_PCI_DEV_LP:
5479 phba->lpfc_hba_down_post = lpfc_hba_down_post_s3;
5480 phba->lpfc_handle_eratt = lpfc_handle_eratt_s3;
5481 phba->lpfc_stop_port = lpfc_stop_port_s3;
5482 break;
5483 case LPFC_PCI_DEV_OC:
5484 phba->lpfc_hba_down_post = lpfc_hba_down_post_s4;
5485 phba->lpfc_handle_eratt = lpfc_handle_eratt_s4;
5486 phba->lpfc_stop_port = lpfc_stop_port_s4;
5487 break;
5488 default:
5489 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5490 "1431 Invalid HBA PCI-device group: 0x%x\n",
5491 dev_grp);
5492 return -ENODEV;
5493 break;
5494 }
5495 return 0;
5496}
5497
5498/**
5499 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
5500 * @phba: pointer to lpfc hba data structure.
5501 *
5502 * This routine is invoked to set up the driver internal resources before the
5503 * device specific resource setup to support the HBA device it attached to.
5504 *
5505 * Return codes
af901ca1 5506 * 0 - successful
da0436e9
JS		 5507 * other values - error
5508 **/
5509static int
5510lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba)
5511{
5512 /*
5513 * Driver resources common to all SLI revisions
5514 */
5515 atomic_set(&phba->fast_event_count, 0);
5516 spin_lock_init(&phba->hbalock);
5517
5518 /* Initialize ndlp management spinlock */
5519 spin_lock_init(&phba->ndlp_lock);
5520
5521 INIT_LIST_HEAD(&phba->port_list);
5522 INIT_LIST_HEAD(&phba->work_list);
5523 init_waitqueue_head(&phba->wait_4_mlo_m_q);
5524
5525 /* Initialize the wait queue head for the kernel thread */
5526 init_waitqueue_head(&phba->work_waitq);
5527
5528 /* Initialize the scsi buffer list used by driver for scsi IO */
a40fc5f0
JS		 5529 spin_lock_init(&phba->scsi_buf_list_get_lock);
5530 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get);
5531 spin_lock_init(&phba->scsi_buf_list_put_lock);
5532 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put);
da0436e9
JS		 5533
5534 /* Initialize the fabric iocb list */
5535 INIT_LIST_HEAD(&phba->fabric_iocb_list);
5536
5537 /* Initialize list to save ELS buffers */
5538 INIT_LIST_HEAD(&phba->elsbuf);
5539
5540 /* Initialize FCF connection rec list */
5541 INIT_LIST_HEAD(&phba->fcf_conn_rec_list);
5542
1ba981fd
JS		 5543 /* Initialize OAS configuration list */
5544 spin_lock_init(&phba->devicelock);
5545 INIT_LIST_HEAD(&phba->luns);
5546
da0436e9
JS		 5547 return 0;
5548}
5549
5550/**
5551 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
5552 * @phba: pointer to lpfc hba data structure.
5553 *
5554 * This routine is invoked to set up the driver internal resources after the
5555 * device specific resource setup to support the HBA device it attached to.
5556 *
5557 * Return codes
af901ca1 5558 * 0 - successful
da0436e9
JS		 5559 * other values - error
5560 **/
5561static int
5562lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba)
5563{
5564 int error;
5565
5566 /* Startup the kernel thread for this host adapter. */
5567 phba->worker_thread = kthread_run(lpfc_do_work, phba,
5568 "lpfc_worker_%d", phba->brd_no);
5569 if (IS_ERR(phba->worker_thread)) {
5570 error = PTR_ERR(phba->worker_thread);
5571 return error;
3772a991
JS		 5572 }
5573
5574 return 0;
5575}
5576
5577/**
5578 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
5579 * @phba: pointer to lpfc hba data structure.
5580 *
5581 * This routine is invoked to unset the driver internal resources set up after
5582 * the device specific resource setup for supporting the HBA device it
5583 * attached to.
5584 **/
5585static void
5586lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba)
5587{
5588 /* Stop kernel worker thread */
5589 kthread_stop(phba->worker_thread);
5590}
5591
5592/**
5593 * lpfc_free_iocb_list - Free iocb list.
5594 * @phba: pointer to lpfc hba data structure.
5595 *
5596 * This routine is invoked to free the driver's IOCB list and memory.
5597 **/
5598static void
5599lpfc_free_iocb_list(struct lpfc_hba *phba)
5600{
5601 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
5602
5603 spin_lock_irq(&phba->hbalock);
5604 list_for_each_entry_safe(iocbq_entry, iocbq_next,
5605 &phba->lpfc_iocb_list, list) {
5606 list_del(&iocbq_entry->list);
5607 kfree(iocbq_entry);
5608 phba->total_iocbq_bufs--;
98c9ea5c 5609 }
3772a991
JS		 5610 spin_unlock_irq(&phba->hbalock);
5611
5612 return;
5613}
5614
5615/**
5616 * lpfc_init_iocb_list - Allocate and initialize iocb list.
5617 * @phba: pointer to lpfc hba data structure.
5618 *
5619 * This routine is invoked to allocate and initizlize the driver's IOCB
5620 * list and set up the IOCB tag array accordingly.
5621 *
5622 * Return codes
af901ca1 5623 * 0 - successful
3772a991
JS		 5624 * other values - error
5625 **/
5626static int
5627lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count)
5628{
5629 struct lpfc_iocbq *iocbq_entry = NULL;
5630 uint16_t iotag;
5631 int i;
dea3101e 5632
5633 /* Initialize and populate the iocb list per host. */
5634 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
3772a991 5635 for (i = 0; i < iocb_count; i++) {
dd00cc48 5636 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
dea3101e 5637 if (iocbq_entry == NULL) {
5638 printk(KERN_ERR "%s: only allocated %d iocbs of "
5639 "expected %d count. Unloading driver.\n",
cadbd4a5 5640 __func__, i, LPFC_IOCB_LIST_CNT);
dea3101e 5641 goto out_free_iocbq;
5642 }
5643
604a3e30
JB		 5644 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
5645 if (iotag == 0) {
3772a991 5646 kfree(iocbq_entry);
604a3e30 5647 printk(KERN_ERR "%s: failed to allocate IOTAG. "
3772a991 5648 "Unloading driver.\n", __func__);
604a3e30
JB		 5649 goto out_free_iocbq;
5650 }
6d368e53 5651 iocbq_entry->sli4_lxritag = NO_XRI;
3772a991 5652 iocbq_entry->sli4_xritag = NO_XRI;
2e0fef85
JS		 5653
5654 spin_lock_irq(&phba->hbalock);
dea3101e 5655 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
5656 phba->total_iocbq_bufs++;
2e0fef85 5657 spin_unlock_irq(&phba->hbalock);
dea3101e 5658 }
5659
3772a991 5660 return 0;
dea3101e 5661
3772a991
JS		 5662out_free_iocbq:
5663 lpfc_free_iocb_list(phba);
dea3101e 5664
3772a991
JS		 5665 return -ENOMEM;
5666}
5e9d9b82 5667
3772a991 5668/**
8a9d2e80 5669 * lpfc_free_sgl_list - Free a given sgl list.
da0436e9 5670 * @phba: pointer to lpfc hba data structure.
8a9d2e80 5671 * @sglq_list: pointer to the head of sgl list.
3772a991 5672 *
8a9d2e80 5673 * This routine is invoked to free a give sgl list and memory.
3772a991 5674 **/
8a9d2e80
JS		 5675void
5676lpfc_free_sgl_list(struct lpfc_hba *phba, struct list_head *sglq_list)
3772a991 5677{
da0436e9 5678 struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
8a9d2e80
JS		 5679
5680 list_for_each_entry_safe(sglq_entry, sglq_next, sglq_list, list) {
5681 list_del(&sglq_entry->list);
5682 lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys);
5683 kfree(sglq_entry);
5684 }
5685}
5686
5687/**
5688 * lpfc_free_els_sgl_list - Free els sgl list.
5689 * @phba: pointer to lpfc hba data structure.
5690 *
5691 * This routine is invoked to free the driver's els sgl list and memory.
5692 **/
5693static void
5694lpfc_free_els_sgl_list(struct lpfc_hba *phba)
5695{
da0436e9 5696 LIST_HEAD(sglq_list);
dafe8cea 5697 struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
dea3101e 5698
8a9d2e80 5699 /* Retrieve all els sgls from driver list */
da0436e9 5700 spin_lock_irq(&phba->hbalock);
dafe8cea 5701 spin_lock(&pring->ring_lock);
da0436e9 5702 list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list);
dafe8cea 5703 spin_unlock(&pring->ring_lock);
da0436e9 5704 spin_unlock_irq(&phba->hbalock);
dea3101e 5705
8a9d2e80
JS		 5706 /* Now free the sgl list */
5707 lpfc_free_sgl_list(phba, &sglq_list);
da0436e9 5708}
92d7f7b0 5709
da0436e9
JS		 5710/**
5711 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
5712 * @phba: pointer to lpfc hba data structure.
5713 *
5714 * This routine is invoked to allocate the driver's active sgl memory.
5715 * This array will hold the sglq_entry's for active IOs.
5716 **/
5717static int
5718lpfc_init_active_sgl_array(struct lpfc_hba *phba)
5719{
5720 int size;
5721 size = sizeof(struct lpfc_sglq *);
5722 size *= phba->sli4_hba.max_cfg_param.max_xri;
5723
5724 phba->sli4_hba.lpfc_sglq_active_list =
5725 kzalloc(size, GFP_KERNEL);
5726 if (!phba->sli4_hba.lpfc_sglq_active_list)
5727 return -ENOMEM;
5728 return 0;
3772a991
JS		 5729}
5730
5731/**
da0436e9 5732 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
3772a991
JS		 5733 * @phba: pointer to lpfc hba data structure.
5734 *
da0436e9
JS		 5735 * This routine is invoked to walk through the array of active sglq entries
5736 * and free all of the resources.
5737 * This is just a place holder for now.
3772a991
JS		 5738 **/
5739static void
da0436e9 5740lpfc_free_active_sgl(struct lpfc_hba *phba)
3772a991 5741{
da0436e9 5742 kfree(phba->sli4_hba.lpfc_sglq_active_list);
3772a991
JS		 5743}
5744
5745/**
da0436e9 5746 * lpfc_init_sgl_list - Allocate and initialize sgl list.
3772a991
JS		 5747 * @phba: pointer to lpfc hba data structure.
5748 *
da0436e9
JS		 5749 * This routine is invoked to allocate and initizlize the driver's sgl
5750 * list and set up the sgl xritag tag array accordingly.
3772a991 5751 *
3772a991 5752 **/
8a9d2e80 5753static void
da0436e9 5754lpfc_init_sgl_list(struct lpfc_hba *phba)
3772a991 5755{
da0436e9
JS		 5756 /* Initialize and populate the sglq list per host/VF. */
5757 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list);
5758 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list);
5759
8a9d2e80
JS		 5760 /* els xri-sgl book keeping */
5761 phba->sli4_hba.els_xri_cnt = 0;
0ff10d46 5762
8a9d2e80 5763 /* scsi xri-buffer book keeping */
da0436e9 5764 phba->sli4_hba.scsi_xri_cnt = 0;
da0436e9
JS		 5765}
5766
5767/**
5768 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
5769 * @phba: pointer to lpfc hba data structure.
5770 *
5771 * This routine is invoked to post rpi header templates to the
88a2cfbb 5772 * port for those SLI4 ports that do not support extents. This routine
da0436e9 5773 * posts a PAGE_SIZE memory region to the port to hold up to
88a2cfbb
JS		 5774 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
5775 * and should be called only when interrupts are disabled.
da0436e9
JS		 5776 *
5777 * Return codes
af901ca1 5778 * 0 - successful
88a2cfbb 5779 * -ERROR - otherwise.
da0436e9
JS		 5780 **/
5781int
5782lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba)
5783{
5784 int rc = 0;
da0436e9
JS		 5785 struct lpfc_rpi_hdr *rpi_hdr;
5786
5787 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list);
ff78d8f9 5788 if (!phba->sli4_hba.rpi_hdrs_in_use)
6d368e53 5789 return rc;
6d368e53
JS		 5790 if (phba->sli4_hba.extents_in_use)
5791 return -EIO;
da0436e9
JS		 5792
5793 rpi_hdr = lpfc_sli4_create_rpi_hdr(phba);
5794 if (!rpi_hdr) {
5795 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
5796 "0391 Error during rpi post operation\n");
5797 lpfc_sli4_remove_rpis(phba);
5798 rc = -ENODEV;
5799 }
5800
5801 return rc;
5802}
5803
5804/**
5805 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
5806 * @phba: pointer to lpfc hba data structure.
5807 *
5808 * This routine is invoked to allocate a single 4KB memory region to
5809 * support rpis and stores them in the phba. This single region
5810 * provides support for up to 64 rpis. The region is used globally
5811 * by the device.
5812 *
5813 * Returns:
5814 * A valid rpi hdr on success.
5815 * A NULL pointer on any failure.
5816 **/
5817struct lpfc_rpi_hdr *
5818lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
5819{
5820 uint16_t rpi_limit, curr_rpi_range;
5821 struct lpfc_dmabuf *dmabuf;
5822 struct lpfc_rpi_hdr *rpi_hdr;
9589b062 5823 uint32_t rpi_count;
da0436e9 5824
6d368e53
JS		 5825 /*
5826 * If the SLI4 port supports extents, posting the rpi header isn't
5827 * required. Set the expected maximum count and let the actual value
5828 * get set when extents are fully allocated.
5829 */
5830 if (!phba->sli4_hba.rpi_hdrs_in_use)
5831 return NULL;
5832 if (phba->sli4_hba.extents_in_use)
5833 return NULL;
5834
5835 /* The limit on the logical index is just the max_rpi count. */
da0436e9 5836 rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base +
6d368e53 5837 phba->sli4_hba.max_cfg_param.max_rpi - 1;
da0436e9
JS		 5838
5839 spin_lock_irq(&phba->hbalock);
6d368e53
JS		 5840 /*
5841 * Establish the starting RPI in this header block. The starting
5842 * rpi is normalized to a zero base because the physical rpi is
5843 * port based.
5844 */
97f2ecf1 5845 curr_rpi_range = phba->sli4_hba.next_rpi;
da0436e9
JS		 5846 spin_unlock_irq(&phba->hbalock);
5847
5848 /*
5849 * The port has a limited number of rpis. The increment here
5850 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
5851 * and to allow the full max_rpi range per port.
5852 */
5853 if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit)
9589b062
JS		 5854 rpi_count = rpi_limit - curr_rpi_range;
5855 else
5856 rpi_count = LPFC_RPI_HDR_COUNT;
da0436e9 5857
6d368e53
JS		 5858 if (!rpi_count)
5859 return NULL;
da0436e9
JS		 5860 /*
5861 * First allocate the protocol header region for the port. The
5862 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
5863 */
5864 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
5865 if (!dmabuf)
5866 return NULL;
5867
1aee383d
JP		 5868 dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev,
5869 LPFC_HDR_TEMPLATE_SIZE,
5870 &dmabuf->phys, GFP_KERNEL);
da0436e9
JS		 5871 if (!dmabuf->virt) {
5872 rpi_hdr = NULL;
5873 goto err_free_dmabuf;
5874 }
5875
da0436e9
JS		 5876 if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) {
5877 rpi_hdr = NULL;
5878 goto err_free_coherent;
5879 }
5880
5881 /* Save the rpi header data for cleanup later. */
5882 rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL);
5883 if (!rpi_hdr)
5884 goto err_free_coherent;
5885
5886 rpi_hdr->dmabuf = dmabuf;
5887 rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE;
5888 rpi_hdr->page_count = 1;
5889 spin_lock_irq(&phba->hbalock);
6d368e53
JS		 5890
5891 /* The rpi_hdr stores the logical index only. */
5892 rpi_hdr->start_rpi = curr_rpi_range;
da0436e9
JS		 5893 list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list);
5894
5895 /*
6d368e53
JS		 5896 * The next_rpi stores the next logical module-64 rpi value used
5897 * to post physical rpis in subsequent rpi postings.
da0436e9 5898 */
9589b062 5899 phba->sli4_hba.next_rpi += rpi_count;
da0436e9
JS		 5900 spin_unlock_irq(&phba->hbalock);
5901 return rpi_hdr;
5902
5903 err_free_coherent:
5904 dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE,
5905 dmabuf->virt, dmabuf->phys);
5906 err_free_dmabuf:
5907 kfree(dmabuf);
5908 return NULL;
5909}
5910
5911/**
5912 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
5913 * @phba: pointer to lpfc hba data structure.
5914 *
5915 * This routine is invoked to remove all memory resources allocated
6d368e53
JS		 5916 * to support rpis for SLI4 ports not supporting extents. This routine
5917 * presumes the caller has released all rpis consumed by fabric or port
5918 * logins and is prepared to have the header pages removed.
da0436e9
JS		 5919 **/
5920void
5921lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba)
5922{
5923 struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr;
5924
6d368e53
JS		 5925 if (!phba->sli4_hba.rpi_hdrs_in_use)
5926 goto exit;
5927
da0436e9
JS		 5928 list_for_each_entry_safe(rpi_hdr, next_rpi_hdr,
5929 &phba->sli4_hba.lpfc_rpi_hdr_list, list) {
5930 list_del(&rpi_hdr->list);
5931 dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len,
5932 rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys);
5933 kfree(rpi_hdr->dmabuf);
5934 kfree(rpi_hdr);
5935 }
6d368e53
JS		 5936 exit:
5937 /* There are no rpis available to the port now. */
5938 phba->sli4_hba.next_rpi = 0;
da0436e9
JS		 5939}
5940
5941/**
5942 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
5943 * @pdev: pointer to pci device data structure.
5944 *
5945 * This routine is invoked to allocate the driver hba data structure for an
5946 * HBA device. If the allocation is successful, the phba reference to the
5947 * PCI device data structure is set.
5948 *
5949 * Return codes
af901ca1 5950 * pointer to @phba - successful
da0436e9
JS		 5951 * NULL - error
5952 **/
5953static struct lpfc_hba *
5954lpfc_hba_alloc(struct pci_dev *pdev)
5955{
5956 struct lpfc_hba *phba;
5957
5958 /* Allocate memory for HBA structure */
5959 phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL);
5960 if (!phba) {
e34ccdfe 5961 dev_err(&pdev->dev, "failed to allocate hba struct\n");
da0436e9
JS		 5962 return NULL;
5963 }
5964
5965 /* Set reference to PCI device in HBA structure */
5966 phba->pcidev = pdev;
5967
5968 /* Assign an unused board number */
5969 phba->brd_no = lpfc_get_instance();
5970 if (phba->brd_no < 0) {
5971 kfree(phba);
5972 return NULL;
5973 }
5974
4fede78f 5975 spin_lock_init(&phba->ct_ev_lock);
f1c3b0fc
JS		 5976 INIT_LIST_HEAD(&phba->ct_ev_waiters);
5977
da0436e9
JS		 5978 return phba;
5979}
5980
5981/**
5982 * lpfc_hba_free - Free driver hba data structure with a device.
5983 * @phba: pointer to lpfc hba data structure.
5984 *
5985 * This routine is invoked to free the driver hba data structure with an
5986 * HBA device.
5987 **/
5988static void
5989lpfc_hba_free(struct lpfc_hba *phba)
5990{
5991 /* Release the driver assigned board number */
5992 idr_remove(&lpfc_hba_index, phba->brd_no);
5993
2a76a283
JS		 5994 /* Free memory allocated with sli rings */
5995 kfree(phba->sli.ring);
5996 phba->sli.ring = NULL;
5997
da0436e9
JS		 5998 kfree(phba);
5999 return;
6000}
6001
6002/**
6003 * lpfc_create_shost - Create hba physical port with associated scsi host.
6004 * @phba: pointer to lpfc hba data structure.
6005 *
6006 * This routine is invoked to create HBA physical port and associate a SCSI
6007 * host with it.
6008 *
6009 * Return codes
af901ca1 6010 * 0 - successful
da0436e9
JS		 6011 * other values - error
6012 **/
6013static int
6014lpfc_create_shost(struct lpfc_hba *phba)
6015{
6016 struct lpfc_vport *vport;
6017 struct Scsi_Host *shost;
6018
6019 /* Initialize HBA FC structure */
6020 phba->fc_edtov = FF_DEF_EDTOV;
6021 phba->fc_ratov = FF_DEF_RATOV;
6022 phba->fc_altov = FF_DEF_ALTOV;
6023 phba->fc_arbtov = FF_DEF_ARBTOV;
6024
d7c47992 6025 atomic_set(&phba->sdev_cnt, 0);
da0436e9
JS		 6026 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
6027 if (!vport)
6028 return -ENODEV;
6029
6030 shost = lpfc_shost_from_vport(vport);
6031 phba->pport = vport;
6032 lpfc_debugfs_initialize(vport);
6033 /* Put reference to SCSI host to driver's device private data */
6034 pci_set_drvdata(phba->pcidev, shost);
2e0fef85 6035
3772a991
JS		 6036 return 0;
6037}
db2378e0 6038
3772a991
JS		 6039/**
6040 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
6041 * @phba: pointer to lpfc hba data structure.
6042 *
6043 * This routine is invoked to destroy HBA physical port and the associated
6044 * SCSI host.
6045 **/
6046static void
6047lpfc_destroy_shost(struct lpfc_hba *phba)
6048{
6049 struct lpfc_vport *vport = phba->pport;
6050
6051 /* Destroy physical port that associated with the SCSI host */
6052 destroy_port(vport);
6053
6054 return;
6055}
6056
6057/**
6058 * lpfc_setup_bg - Setup Block guard structures and debug areas.
6059 * @phba: pointer to lpfc hba data structure.
6060 * @shost: the shost to be used to detect Block guard settings.
6061 *
6062 * This routine sets up the local Block guard protocol settings for @shost.
6063 * This routine also allocates memory for debugging bg buffers.
6064 **/
6065static void
6066lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost)
6067{
bbeb79b9
JS		 6068 uint32_t old_mask;
6069 uint32_t old_guard;
6070
3772a991
JS		 6071 int pagecnt = 10;
6072 if (lpfc_prot_mask && lpfc_prot_guard) {
6073 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6074 "1478 Registering BlockGuard with the "
6075 "SCSI layer\n");
bbeb79b9
JS		 6076
6077 old_mask = lpfc_prot_mask;
6078 old_guard = lpfc_prot_guard;
6079
6080 /* Only allow supported values */
6081 lpfc_prot_mask &= (SHOST_DIF_TYPE1_PROTECTION |
6082 SHOST_DIX_TYPE0_PROTECTION |
6083 SHOST_DIX_TYPE1_PROTECTION);
6084 lpfc_prot_guard &= (SHOST_DIX_GUARD_IP | SHOST_DIX_GUARD_CRC);
6085
6086 /* DIF Type 1 protection for profiles AST1/C1 is end to end */
6087 if (lpfc_prot_mask == SHOST_DIX_TYPE1_PROTECTION)
6088 lpfc_prot_mask |= SHOST_DIF_TYPE1_PROTECTION;
6089
6090 if (lpfc_prot_mask && lpfc_prot_guard) {
6091 if ((old_mask != lpfc_prot_mask) ||
6092 (old_guard != lpfc_prot_guard))
6093 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6094 "1475 Registering BlockGuard with the "
6095 "SCSI layer: mask %d guard %d\n",
6096 lpfc_prot_mask, lpfc_prot_guard);
6097
6098 scsi_host_set_prot(shost, lpfc_prot_mask);
6099 scsi_host_set_guard(shost, lpfc_prot_guard);
6100 } else
6101 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6102 "1479 Not Registering BlockGuard with the SCSI "
6103 "layer, Bad protection parameters: %d %d\n",
6104 old_mask, old_guard);
3772a991 6105 }
bbeb79b9 6106
3772a991
JS		 6107 if (!_dump_buf_data) {
6108 while (pagecnt) {
6109 spin_lock_init(&_dump_buf_lock);
6110 _dump_buf_data =
6111 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
6112 if (_dump_buf_data) {
6a9c52cf
JS		 6113 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
6114 "9043 BLKGRD: allocated %d pages for "
3772a991
JS		 6115 "_dump_buf_data at 0x%p\n",
6116 (1 << pagecnt), _dump_buf_data);
6117 _dump_buf_data_order = pagecnt;
6118 memset(_dump_buf_data, 0,
6119 ((1 << PAGE_SHIFT) << pagecnt));
6120 break;
6121 } else
6122 --pagecnt;
6123 }
6124 if (!_dump_buf_data_order)
6a9c52cf
JS		 6125 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
6126 "9044 BLKGRD: ERROR unable to allocate "
3772a991
JS		 6127 "memory for hexdump\n");
6128 } else
6a9c52cf
JS		 6129 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
6130 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
3772a991
JS		 6131 "\n", _dump_buf_data);
6132 if (!_dump_buf_dif) {
6133 while (pagecnt) {
6134 _dump_buf_dif =
6135 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
6136 if (_dump_buf_dif) {
6a9c52cf
JS		 6137 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
6138 "9046 BLKGRD: allocated %d pages for "
3772a991
JS		 6139 "_dump_buf_dif at 0x%p\n",
6140 (1 << pagecnt), _dump_buf_dif);
6141 _dump_buf_dif_order = pagecnt;
6142 memset(_dump_buf_dif, 0,
6143 ((1 << PAGE_SHIFT) << pagecnt));
6144 break;
6145 } else
6146 --pagecnt;
6147 }
6148 if (!_dump_buf_dif_order)
6a9c52cf
JS		 6149 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
6150 "9047 BLKGRD: ERROR unable to allocate "
3772a991
JS		 6151 "memory for hexdump\n");
6152 } else
6a9c52cf
JS		 6153 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
6154 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
3772a991
JS		 6155 _dump_buf_dif);
6156}
6157
6158/**
6159 * lpfc_post_init_setup - Perform necessary device post initialization setup.
6160 * @phba: pointer to lpfc hba data structure.
6161 *
6162 * This routine is invoked to perform all the necessary post initialization
6163 * setup for the device.
6164 **/
6165static void
6166lpfc_post_init_setup(struct lpfc_hba *phba)
6167{
6168 struct Scsi_Host *shost;
6169 struct lpfc_adapter_event_header adapter_event;
6170
6171 /* Get the default values for Model Name and Description */
6172 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
6173
6174 /*
6175 * hba setup may have changed the hba_queue_depth so we need to
6176 * adjust the value of can_queue.
6177 */
6178 shost = pci_get_drvdata(phba->pcidev);
6179 shost->can_queue = phba->cfg_hba_queue_depth - 10;
6180 if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
6181 lpfc_setup_bg(phba, shost);
6182
6183 lpfc_host_attrib_init(shost);
6184
6185 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
6186 spin_lock_irq(shost->host_lock);
6187 lpfc_poll_start_timer(phba);
6188 spin_unlock_irq(shost->host_lock);
6189 }
6190
6191 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6192 "0428 Perform SCSI scan\n");
6193 /* Send board arrival event to upper layer */
6194 adapter_event.event_type = FC_REG_ADAPTER_EVENT;
6195 adapter_event.subcategory = LPFC_EVENT_ARRIVAL;
6196 fc_host_post_vendor_event(shost, fc_get_event_number(),
6197 sizeof(adapter_event),
6198 (char *) &adapter_event,
6199 LPFC_NL_VENDOR_ID);
6200 return;
6201}
6202
6203/**
6204 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
6205 * @phba: pointer to lpfc hba data structure.
6206 *
6207 * This routine is invoked to set up the PCI device memory space for device
6208 * with SLI-3 interface spec.
6209 *
6210 * Return codes
af901ca1 6211 * 0 - successful
3772a991
JS		 6212 * other values - error
6213 **/
6214static int
6215lpfc_sli_pci_mem_setup(struct lpfc_hba *phba)
6216{
6217 struct pci_dev *pdev;
6218 unsigned long bar0map_len, bar2map_len;
6219 int i, hbq_count;
6220 void *ptr;
6221 int error = -ENODEV;
6222
6223 /* Obtain PCI device reference */
6224 if (!phba->pcidev)
6225 return error;
6226 else
6227 pdev = phba->pcidev;
6228
6229 /* Set the device DMA mask size */
8e68597d
MR		 6230 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0
6231 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) {
6232 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0
6233 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) {
3772a991 6234 return error;
8e68597d
MR		 6235 }
6236 }
3772a991
JS		 6237
6238 /* Get the bus address of Bar0 and Bar2 and the number of bytes
6239 * required by each mapping.
6240 */
6241 phba->pci_bar0_map = pci_resource_start(pdev, 0);
6242 bar0map_len = pci_resource_len(pdev, 0);
6243
6244 phba->pci_bar2_map = pci_resource_start(pdev, 2);
6245 bar2map_len = pci_resource_len(pdev, 2);
6246
6247 /* Map HBA SLIM to a kernel virtual address. */
6248 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
6249 if (!phba->slim_memmap_p) {
6250 dev_printk(KERN_ERR, &pdev->dev,
6251 "ioremap failed for SLIM memory.\n");
6252 goto out;
6253 }
6254
6255 /* Map HBA Control Registers to a kernel virtual address. */
6256 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
6257 if (!phba->ctrl_regs_memmap_p) {
6258 dev_printk(KERN_ERR, &pdev->dev,
6259 "ioremap failed for HBA control registers.\n");
6260 goto out_iounmap_slim;
6261 }
6262
6263 /* Allocate memory for SLI-2 structures */
1aee383d
JP		 6264 phba->slim2p.virt = dma_zalloc_coherent(&pdev->dev, SLI2_SLIM_SIZE,
6265 &phba->slim2p.phys, GFP_KERNEL);
3772a991
JS		 6266 if (!phba->slim2p.virt)
6267 goto out_iounmap;
6268
3772a991 6269 phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx);
7a470277
JS		 6270 phba->mbox_ext = (phba->slim2p.virt +
6271 offsetof(struct lpfc_sli2_slim, mbx_ext_words));
3772a991
JS		 6272 phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb));
6273 phba->IOCBs = (phba->slim2p.virt +
6274 offsetof(struct lpfc_sli2_slim, IOCBs));
6275
6276 phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev,
6277 lpfc_sli_hbq_size(),
6278 &phba->hbqslimp.phys,
6279 GFP_KERNEL);
6280 if (!phba->hbqslimp.virt)
6281 goto out_free_slim;
6282
6283 hbq_count = lpfc_sli_hbq_count();
6284 ptr = phba->hbqslimp.virt;
6285 for (i = 0; i < hbq_count; ++i) {
6286 phba->hbqs[i].hbq_virt = ptr;
6287 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
6288 ptr += (lpfc_hbq_defs[i]->entry_count *
6289 sizeof(struct lpfc_hbq_entry));
6290 }
6291 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
6292 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
6293
6294 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
6295
6296 INIT_LIST_HEAD(&phba->rb_pend_list);
6297
6298 phba->MBslimaddr = phba->slim_memmap_p;
6299 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
6300 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
6301 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
6302 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
6303
6304 return 0;
6305
6306out_free_slim:
6307 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
6308 phba->slim2p.virt, phba->slim2p.phys);
6309out_iounmap:
6310 iounmap(phba->ctrl_regs_memmap_p);
6311out_iounmap_slim:
6312 iounmap(phba->slim_memmap_p);
6313out:
6314 return error;
6315}
6316
6317/**
6318 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
6319 * @phba: pointer to lpfc hba data structure.
6320 *
6321 * This routine is invoked to unset the PCI device memory space for device
6322 * with SLI-3 interface spec.
6323 **/
6324static void
6325lpfc_sli_pci_mem_unset(struct lpfc_hba *phba)
6326{
6327 struct pci_dev *pdev;
6328
6329 /* Obtain PCI device reference */
6330 if (!phba->pcidev)
6331 return;
6332 else
6333 pdev = phba->pcidev;
6334
6335 /* Free coherent DMA memory allocated */
6336 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
6337 phba->hbqslimp.virt, phba->hbqslimp.phys);
6338 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
6339 phba->slim2p.virt, phba->slim2p.phys);
6340
6341 /* I/O memory unmap */
6342 iounmap(phba->ctrl_regs_memmap_p);
6343 iounmap(phba->slim_memmap_p);
6344
6345 return;
6346}
6347
6348/**
da0436e9 6349 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
3772a991
JS		 6350 * @phba: pointer to lpfc hba data structure.
6351 *
da0436e9
JS		 6352 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
6353 * done and check status.
3772a991 6354 *
da0436e9 6355 * Return 0 if successful, otherwise -ENODEV.
3772a991 6356 **/
da0436e9
JS		 6357int
6358lpfc_sli4_post_status_check(struct lpfc_hba *phba)
3772a991 6359{
2fcee4bf
JS		 6360 struct lpfc_register portsmphr_reg, uerrlo_reg, uerrhi_reg;
6361 struct lpfc_register reg_data;
6362 int i, port_error = 0;
6363 uint32_t if_type;
3772a991 6364
9940b97b
JS		 6365 memset(&portsmphr_reg, 0, sizeof(portsmphr_reg));
6366 memset(&reg_data, 0, sizeof(reg_data));
2fcee4bf 6367 if (!phba->sli4_hba.PSMPHRregaddr)
da0436e9 6368 return -ENODEV;
3772a991 6369
da0436e9
JS		 6370 /* Wait up to 30 seconds for the SLI Port POST done and ready */
6371 for (i = 0; i < 3000; i++) {
9940b97b
JS		 6372 if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr,
6373 &portsmphr_reg.word0) ||
6374 (bf_get(lpfc_port_smphr_perr, &portsmphr_reg))) {
2fcee4bf 6375 /* Port has a fatal POST error, break out */
da0436e9
JS		 6376 port_error = -ENODEV;
6377 break;
6378 }
2fcee4bf
JS		 6379 if (LPFC_POST_STAGE_PORT_READY ==
6380 bf_get(lpfc_port_smphr_port_status, &portsmphr_reg))
da0436e9 6381 break;
da0436e9 6382 msleep(10);
3772a991
JS		 6383 }
6384
2fcee4bf
JS		 6385 /*
6386 * If there was a port error during POST, then don't proceed with
6387 * other register reads as the data may not be valid. Just exit.
6388 */
6389 if (port_error) {
da0436e9 6390 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2fcee4bf
JS		 6391 "1408 Port Failed POST - portsmphr=0x%x, "
6392 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
6393 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
6394 portsmphr_reg.word0,
6395 bf_get(lpfc_port_smphr_perr, &portsmphr_reg),
6396 bf_get(lpfc_port_smphr_sfi, &portsmphr_reg),
6397 bf_get(lpfc_port_smphr_nip, &portsmphr_reg),
6398 bf_get(lpfc_port_smphr_ipc, &portsmphr_reg),
6399 bf_get(lpfc_port_smphr_scr1, &portsmphr_reg),
6400 bf_get(lpfc_port_smphr_scr2, &portsmphr_reg),
6401 bf_get(lpfc_port_smphr_host_scratch, &portsmphr_reg),
6402 bf_get(lpfc_port_smphr_port_status, &portsmphr_reg));
6403 } else {
28baac74 6404 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2fcee4bf
JS		 6405 "2534 Device Info: SLIFamily=0x%x, "
6406 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
6407 "SLIHint_2=0x%x, FT=0x%x\n",
28baac74
JS		 6408 bf_get(lpfc_sli_intf_sli_family,
6409 &phba->sli4_hba.sli_intf),
6410 bf_get(lpfc_sli_intf_slirev,
6411 &phba->sli4_hba.sli_intf),
085c647c
JS		 6412 bf_get(lpfc_sli_intf_if_type,
6413 &phba->sli4_hba.sli_intf),
6414 bf_get(lpfc_sli_intf_sli_hint1,
28baac74 6415 &phba->sli4_hba.sli_intf),
085c647c
JS		 6416 bf_get(lpfc_sli_intf_sli_hint2,
6417 &phba->sli4_hba.sli_intf),
6418 bf_get(lpfc_sli_intf_func_type,
28baac74 6419 &phba->sli4_hba.sli_intf));
2fcee4bf
JS		 6420 /*
6421 * Check for other Port errors during the initialization
6422 * process. Fail the load if the port did not come up
6423 * correctly.
6424 */
6425 if_type = bf_get(lpfc_sli_intf_if_type,
6426 &phba->sli4_hba.sli_intf);
6427 switch (if_type) {
6428 case LPFC_SLI_INTF_IF_TYPE_0:
6429 phba->sli4_hba.ue_mask_lo =
6430 readl(phba->sli4_hba.u.if_type0.UEMASKLOregaddr);
6431 phba->sli4_hba.ue_mask_hi =
6432 readl(phba->sli4_hba.u.if_type0.UEMASKHIregaddr);
6433 uerrlo_reg.word0 =
6434 readl(phba->sli4_hba.u.if_type0.UERRLOregaddr);
6435 uerrhi_reg.word0 =
6436 readl(phba->sli4_hba.u.if_type0.UERRHIregaddr);
6437 if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) ||
6438 (~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) {
6439 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6440 "1422 Unrecoverable Error "
6441 "Detected during POST "
6442 "uerr_lo_reg=0x%x, "
6443 "uerr_hi_reg=0x%x, "
6444 "ue_mask_lo_reg=0x%x, "
6445 "ue_mask_hi_reg=0x%x\n",
6446 uerrlo_reg.word0,
6447 uerrhi_reg.word0,
6448 phba->sli4_hba.ue_mask_lo,
6449 phba->sli4_hba.ue_mask_hi);
6450 port_error = -ENODEV;
6451 }
6452 break;
6453 case LPFC_SLI_INTF_IF_TYPE_2:
6454 /* Final checks. The port status should be clean. */
9940b97b
JS		 6455 if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
6456 &reg_data.word0) ||
0558056c
JS		 6457 (bf_get(lpfc_sliport_status_err, &reg_data) &&
6458 !bf_get(lpfc_sliport_status_rn, &reg_data))) {
2fcee4bf
JS		 6459 phba->work_status[0] =
6460 readl(phba->sli4_hba.u.if_type2.
6461 ERR1regaddr);
6462 phba->work_status[1] =
6463 readl(phba->sli4_hba.u.if_type2.
6464 ERR2regaddr);
6465 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8fcb8acd
JS		 6466 "2888 Unrecoverable port error "
6467 "following POST: port status reg "
6468 "0x%x, port_smphr reg 0x%x, "
2fcee4bf
JS		 6469 "error 1=0x%x, error 2=0x%x\n",
6470 reg_data.word0,
6471 portsmphr_reg.word0,
6472 phba->work_status[0],
6473 phba->work_status[1]);
6474 port_error = -ENODEV;
6475 }
6476 break;
6477 case LPFC_SLI_INTF_IF_TYPE_1:
6478 default:
6479 break;
6480 }
28baac74 6481 }
da0436e9
JS		 6482 return port_error;
6483}
3772a991 6484
da0436e9
JS		 6485/**
6486 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
6487 * @phba: pointer to lpfc hba data structure.
2fcee4bf 6488 * @if_type: The SLI4 interface type getting configured.
da0436e9
JS		 6489 *
6490 * This routine is invoked to set up SLI4 BAR0 PCI config space register
6491 * memory map.
6492 **/
6493static void
2fcee4bf
JS		 6494lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type)
6495{
6496 switch (if_type) {
6497 case LPFC_SLI_INTF_IF_TYPE_0:
6498 phba->sli4_hba.u.if_type0.UERRLOregaddr =
6499 phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_LO;
6500 phba->sli4_hba.u.if_type0.UERRHIregaddr =
6501 phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_HI;
6502 phba->sli4_hba.u.if_type0.UEMASKLOregaddr =
6503 phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_LO;
6504 phba->sli4_hba.u.if_type0.UEMASKHIregaddr =
6505 phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_HI;
6506 phba->sli4_hba.SLIINTFregaddr =
6507 phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
6508 break;
6509 case LPFC_SLI_INTF_IF_TYPE_2:
6510 phba->sli4_hba.u.if_type2.ERR1regaddr =
88a2cfbb
JS		 6511 phba->sli4_hba.conf_regs_memmap_p +
6512 LPFC_CTL_PORT_ER1_OFFSET;
2fcee4bf 6513 phba->sli4_hba.u.if_type2.ERR2regaddr =
88a2cfbb
JS		 6514 phba->sli4_hba.conf_regs_memmap_p +
6515 LPFC_CTL_PORT_ER2_OFFSET;
2fcee4bf 6516 phba->sli4_hba.u.if_type2.CTRLregaddr =
88a2cfbb
JS		 6517 phba->sli4_hba.conf_regs_memmap_p +
6518 LPFC_CTL_PORT_CTL_OFFSET;
2fcee4bf 6519 phba->sli4_hba.u.if_type2.STATUSregaddr =
88a2cfbb
JS		 6520 phba->sli4_hba.conf_regs_memmap_p +
6521 LPFC_CTL_PORT_STA_OFFSET;
2fcee4bf
JS		 6522 phba->sli4_hba.SLIINTFregaddr =
6523 phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
6524 phba->sli4_hba.PSMPHRregaddr =
88a2cfbb
JS		 6525 phba->sli4_hba.conf_regs_memmap_p +
6526 LPFC_CTL_PORT_SEM_OFFSET;
2fcee4bf 6527 phba->sli4_hba.RQDBregaddr =
962bc51b
JS		 6528 phba->sli4_hba.conf_regs_memmap_p +
6529 LPFC_ULP0_RQ_DOORBELL;
2fcee4bf 6530 phba->sli4_hba.WQDBregaddr =
962bc51b
JS		 6531 phba->sli4_hba.conf_regs_memmap_p +
6532 LPFC_ULP0_WQ_DOORBELL;
2fcee4bf
JS		 6533 phba->sli4_hba.EQCQDBregaddr =
6534 phba->sli4_hba.conf_regs_memmap_p + LPFC_EQCQ_DOORBELL;
6535 phba->sli4_hba.MQDBregaddr =
6536 phba->sli4_hba.conf_regs_memmap_p + LPFC_MQ_DOORBELL;
6537 phba->sli4_hba.BMBXregaddr =
6538 phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX;
6539 break;
6540 case LPFC_SLI_INTF_IF_TYPE_1:
6541 default:
6542 dev_printk(KERN_ERR, &phba->pcidev->dev,
6543 "FATAL - unsupported SLI4 interface type - %d\n",
6544 if_type);
6545 break;
6546 }
da0436e9 6547}
3772a991 6548
da0436e9
JS		 6549/**
6550 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
6551 * @phba: pointer to lpfc hba data structure.
6552 *
6553 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
6554 * memory map.
6555 **/
6556static void
6557lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba)
6558{
2fcee4bf
JS		 6559 phba->sli4_hba.PSMPHRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
6560 LPFC_SLIPORT_IF0_SMPHR;
da0436e9 6561 phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6562 LPFC_HST_ISR0;
da0436e9 6563 phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6564 LPFC_HST_IMR0;
da0436e9 6565 phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6566 LPFC_HST_ISCR0;
3772a991
JS		 6567}
6568
6569/**
da0436e9 6570 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
3772a991 6571 * @phba: pointer to lpfc hba data structure.
da0436e9 6572 * @vf: virtual function number
3772a991 6573 *
da0436e9
JS		 6574 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
6575 * based on the given viftual function number, @vf.
6576 *
6577 * Return 0 if successful, otherwise -ENODEV.
3772a991 6578 **/
da0436e9
JS		 6579static int
6580lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf)
3772a991 6581{
da0436e9
JS		 6582 if (vf > LPFC_VIR_FUNC_MAX)
6583 return -ENODEV;
3772a991 6584
da0436e9 6585 phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
962bc51b
JS		 6586 vf * LPFC_VFR_PAGE_SIZE +
6587 LPFC_ULP0_RQ_DOORBELL);
da0436e9 6588 phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
962bc51b
JS		 6589 vf * LPFC_VFR_PAGE_SIZE +
6590 LPFC_ULP0_WQ_DOORBELL);
da0436e9
JS		 6591 phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6592 vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL);
6593 phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6594 vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL);
6595 phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6596 vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX);
6597 return 0;
3772a991
JS		 6598}
6599
6600/**
da0436e9 6601 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
3772a991
JS		 6602 * @phba: pointer to lpfc hba data structure.
6603 *
da0436e9
JS		 6604 * This routine is invoked to create the bootstrap mailbox
6605 * region consistent with the SLI-4 interface spec. This
6606 * routine allocates all memory necessary to communicate
6607 * mailbox commands to the port and sets up all alignment
6608 * needs. No locks are expected to be held when calling
6609 * this routine.
3772a991
JS		 6610 *
6611 * Return codes
af901ca1 6612 * 0 - successful
d439d286 6613 * -ENOMEM - could not allocated memory.
da0436e9 6614 **/
3772a991 6615static int
da0436e9 6616lpfc_create_bootstrap_mbox(struct lpfc_hba *phba)
3772a991 6617{
da0436e9
JS		 6618 uint32_t bmbx_size;
6619 struct lpfc_dmabuf *dmabuf;
6620 struct dma_address *dma_address;
6621 uint32_t pa_addr;
6622 uint64_t phys_addr;
6623
6624 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
6625 if (!dmabuf)
6626 return -ENOMEM;
3772a991 6627
da0436e9
JS		 6628 /*
6629 * The bootstrap mailbox region is comprised of 2 parts
6630 * plus an alignment restriction of 16 bytes.
6631 */
6632 bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1);
1aee383d
JP		 6633 dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev, bmbx_size,
6634 &dmabuf->phys, GFP_KERNEL);
da0436e9
JS		 6635 if (!dmabuf->virt) {
6636 kfree(dmabuf);
6637 return -ENOMEM;
3772a991
JS		 6638 }
6639
da0436e9
JS		 6640 /*
6641 * Initialize the bootstrap mailbox pointers now so that the register
6642 * operations are simple later. The mailbox dma address is required
6643 * to be 16-byte aligned. Also align the virtual memory as each
6644 * maibox is copied into the bmbx mailbox region before issuing the
6645 * command to the port.
6646 */
6647 phba->sli4_hba.bmbx.dmabuf = dmabuf;
6648 phba->sli4_hba.bmbx.bmbx_size = bmbx_size;
6649
6650 phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt,
6651 LPFC_ALIGN_16_BYTE);
6652 phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys,
6653 LPFC_ALIGN_16_BYTE);
6654
6655 /*
6656 * Set the high and low physical addresses now. The SLI4 alignment
6657 * requirement is 16 bytes and the mailbox is posted to the port
6658 * as two 30-bit addresses. The other data is a bit marking whether
6659 * the 30-bit address is the high or low address.
6660 * Upcast bmbx aphys to 64bits so shift instruction compiles
6661 * clean on 32 bit machines.
6662 */
6663 dma_address = &phba->sli4_hba.bmbx.dma_address;
6664 phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys;
6665 pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff);
6666 dma_address->addr_hi = (uint32_t) ((pa_addr << 2) |
6667 LPFC_BMBX_BIT1_ADDR_HI);
6668
6669 pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff);
6670 dma_address->addr_lo = (uint32_t) ((pa_addr << 2) |
6671 LPFC_BMBX_BIT1_ADDR_LO);
6672 return 0;
3772a991
JS		 6673}
6674
6675/**
da0436e9 6676 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
3772a991
JS		 6677 * @phba: pointer to lpfc hba data structure.
6678 *
da0436e9
JS		 6679 * This routine is invoked to teardown the bootstrap mailbox
6680 * region and release all host resources. This routine requires
6681 * the caller to ensure all mailbox commands recovered, no
6682 * additional mailbox comands are sent, and interrupts are disabled
6683 * before calling this routine.
6684 *
6685 **/
3772a991 6686static void
da0436e9 6687lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba)
3772a991 6688{
da0436e9
JS		 6689 dma_free_coherent(&phba->pcidev->dev,
6690 phba->sli4_hba.bmbx.bmbx_size,
6691 phba->sli4_hba.bmbx.dmabuf->virt,
6692 phba->sli4_hba.bmbx.dmabuf->phys);
6693
6694 kfree(phba->sli4_hba.bmbx.dmabuf);
6695 memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx));
3772a991
JS		 6696}
6697
6698/**
da0436e9 6699 * lpfc_sli4_read_config - Get the config parameters.
3772a991
JS		 6700 * @phba: pointer to lpfc hba data structure.
6701 *
da0436e9
JS		 6702 * This routine is invoked to read the configuration parameters from the HBA.
6703 * The configuration parameters are used to set the base and maximum values
6704 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
6705 * allocation for the port.
3772a991
JS		 6706 *
6707 * Return codes
af901ca1 6708 * 0 - successful
25985edc 6709 * -ENOMEM - No available memory
d439d286 6710 * -EIO - The mailbox failed to complete successfully.
3772a991 6711 **/
ff78d8f9 6712int
da0436e9 6713lpfc_sli4_read_config(struct lpfc_hba *phba)
3772a991 6714{
da0436e9
JS		 6715 LPFC_MBOXQ_t *pmb;
6716 struct lpfc_mbx_read_config *rd_config;
912e3acd
JS		 6717 union lpfc_sli4_cfg_shdr *shdr;
6718 uint32_t shdr_status, shdr_add_status;
6719 struct lpfc_mbx_get_func_cfg *get_func_cfg;
6720 struct lpfc_rsrc_desc_fcfcoe *desc;
8aa134a8 6721 char *pdesc_0;
8aa134a8 6722 int length, i, rc = 0, rc2;
3772a991 6723
da0436e9
JS		 6724 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
6725 if (!pmb) {
6726 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6727 "2011 Unable to allocate memory for issuing "
6728 "SLI_CONFIG_SPECIAL mailbox command\n");
6729 return -ENOMEM;
3772a991
JS		 6730 }
6731
da0436e9 6732 lpfc_read_config(phba, pmb);
3772a991 6733
da0436e9
JS		 6734 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
6735 if (rc != MBX_SUCCESS) {
6736 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6737 "2012 Mailbox failed , mbxCmd x%x "
6738 "READ_CONFIG, mbxStatus x%x\n",
6739 bf_get(lpfc_mqe_command, &pmb->u.mqe),
6740 bf_get(lpfc_mqe_status, &pmb->u.mqe));
6741 rc = -EIO;
6742 } else {
6743 rd_config = &pmb->u.mqe.un.rd_config;
ff78d8f9
JS		 6744 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv, rd_config)) {
6745 phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL;
6746 phba->sli4_hba.lnk_info.lnk_tp =
6747 bf_get(lpfc_mbx_rd_conf_lnk_type, rd_config);
6748 phba->sli4_hba.lnk_info.lnk_no =
6749 bf_get(lpfc_mbx_rd_conf_lnk_numb, rd_config);
6750 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6751 "3081 lnk_type:%d, lnk_numb:%d\n",
6752 phba->sli4_hba.lnk_info.lnk_tp,
6753 phba->sli4_hba.lnk_info.lnk_no);
6754 } else
6755 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
6756 "3082 Mailbox (x%x) returned ldv:x0\n",
6757 bf_get(lpfc_mqe_command, &pmb->u.mqe));
6d368e53
JS		 6758 phba->sli4_hba.extents_in_use =
6759 bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config);
da0436e9
JS		 6760 phba->sli4_hba.max_cfg_param.max_xri =
6761 bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
6762 phba->sli4_hba.max_cfg_param.xri_base =
6763 bf_get(lpfc_mbx_rd_conf_xri_base, rd_config);
6764 phba->sli4_hba.max_cfg_param.max_vpi =
6765 bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
6766 phba->sli4_hba.max_cfg_param.vpi_base =
6767 bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config);
6768 phba->sli4_hba.max_cfg_param.max_rpi =
6769 bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
6770 phba->sli4_hba.max_cfg_param.rpi_base =
6771 bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config);
6772 phba->sli4_hba.max_cfg_param.max_vfi =
6773 bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config);
6774 phba->sli4_hba.max_cfg_param.vfi_base =
6775 bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config);
6776 phba->sli4_hba.max_cfg_param.max_fcfi =
6777 bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config);
da0436e9
JS		 6778 phba->sli4_hba.max_cfg_param.max_eq =
6779 bf_get(lpfc_mbx_rd_conf_eq_count, rd_config);
6780 phba->sli4_hba.max_cfg_param.max_rq =
6781 bf_get(lpfc_mbx_rd_conf_rq_count, rd_config);
6782 phba->sli4_hba.max_cfg_param.max_wq =
6783 bf_get(lpfc_mbx_rd_conf_wq_count, rd_config);
6784 phba->sli4_hba.max_cfg_param.max_cq =
6785 bf_get(lpfc_mbx_rd_conf_cq_count, rd_config);
6786 phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config);
6787 phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base;
6788 phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base;
6789 phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base;
5ffc266e
JS		 6790 phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ?
6791 (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0;
da0436e9
JS		 6792 phba->max_vports = phba->max_vpi;
6793 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6d368e53
JS		 6794 "2003 cfg params Extents? %d "
6795 "XRI(B:%d M:%d), "
da0436e9
JS		 6796 "VPI(B:%d M:%d) "
6797 "VFI(B:%d M:%d) "
6798 "RPI(B:%d M:%d) "
6d368e53
JS		 6799 "FCFI(Count:%d)\n",
6800 phba->sli4_hba.extents_in_use,
da0436e9
JS		 6801 phba->sli4_hba.max_cfg_param.xri_base,
6802 phba->sli4_hba.max_cfg_param.max_xri,
6803 phba->sli4_hba.max_cfg_param.vpi_base,
6804 phba->sli4_hba.max_cfg_param.max_vpi,
6805 phba->sli4_hba.max_cfg_param.vfi_base,
6806 phba->sli4_hba.max_cfg_param.max_vfi,
6807 phba->sli4_hba.max_cfg_param.rpi_base,
6808 phba->sli4_hba.max_cfg_param.max_rpi,
da0436e9 6809 phba->sli4_hba.max_cfg_param.max_fcfi);
3772a991 6810 }
912e3acd
JS		 6811
6812 if (rc)
6813 goto read_cfg_out;
da0436e9
JS		 6814
6815 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
572709e2
JS		 6816 length = phba->sli4_hba.max_cfg_param.max_xri -
6817 lpfc_sli4_get_els_iocb_cnt(phba);
6818 if (phba->cfg_hba_queue_depth > length) {
6819 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6820 "3361 HBA queue depth changed from %d to %d\n",
6821 phba->cfg_hba_queue_depth, length);
6822 phba->cfg_hba_queue_depth = length;
6823 }
912e3acd
JS		 6824
6825 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
6826 LPFC_SLI_INTF_IF_TYPE_2)
6827 goto read_cfg_out;
6828
6829 /* get the pf# and vf# for SLI4 if_type 2 port */
6830 length = (sizeof(struct lpfc_mbx_get_func_cfg) -
6831 sizeof(struct lpfc_sli4_cfg_mhdr));
6832 lpfc_sli4_config(phba, pmb, LPFC_MBOX_SUBSYSTEM_COMMON,
6833 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG,
6834 length, LPFC_SLI4_MBX_EMBED);
6835
8aa134a8 6836 rc2 = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
912e3acd
JS		 6837 shdr = (union lpfc_sli4_cfg_shdr *)
6838 &pmb->u.mqe.un.sli4_config.header.cfg_shdr;
6839 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
6840 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
8aa134a8 6841 if (rc2 || shdr_status || shdr_add_status) {
912e3acd
JS		 6842 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6843 "3026 Mailbox failed , mbxCmd x%x "
6844 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
6845 bf_get(lpfc_mqe_command, &pmb->u.mqe),
6846 bf_get(lpfc_mqe_status, &pmb->u.mqe));
912e3acd
JS		 6847 goto read_cfg_out;
6848 }
6849
6850 /* search for fc_fcoe resrouce descriptor */
6851 get_func_cfg = &pmb->u.mqe.un.get_func_cfg;
912e3acd 6852
8aa134a8
JS		 6853 pdesc_0 = (char *)&get_func_cfg->func_cfg.desc[0];
6854 desc = (struct lpfc_rsrc_desc_fcfcoe *)pdesc_0;
6855 length = bf_get(lpfc_rsrc_desc_fcfcoe_length, desc);
6856 if (length == LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD)
6857 length = LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH;
6858 else if (length != LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH)
6859 goto read_cfg_out;
6860
912e3acd 6861 for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) {
8aa134a8 6862 desc = (struct lpfc_rsrc_desc_fcfcoe *)(pdesc_0 + length * i);
912e3acd 6863 if (LPFC_RSRC_DESC_TYPE_FCFCOE ==
8aa134a8 6864 bf_get(lpfc_rsrc_desc_fcfcoe_type, desc)) {
912e3acd
JS		 6865 phba->sli4_hba.iov.pf_number =
6866 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc);
6867 phba->sli4_hba.iov.vf_number =
6868 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum, desc);
6869 break;
6870 }
6871 }
6872
6873 if (i < LPFC_RSRC_DESC_MAX_NUM)
6874 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6875 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
6876 "vf_number:%d\n", phba->sli4_hba.iov.pf_number,
6877 phba->sli4_hba.iov.vf_number);
8aa134a8 6878 else
912e3acd
JS		 6879 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6880 "3028 GET_FUNCTION_CONFIG: failed to find "
6881 "Resrouce Descriptor:x%x\n",
6882 LPFC_RSRC_DESC_TYPE_FCFCOE);
912e3acd
JS		 6883
6884read_cfg_out:
6885 mempool_free(pmb, phba->mbox_mem_pool);
da0436e9 6886 return rc;
3772a991
JS		 6887}
6888
6889/**
2fcee4bf 6890 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
3772a991
JS		 6891 * @phba: pointer to lpfc hba data structure.
6892 *
2fcee4bf
JS		 6893 * This routine is invoked to setup the port-side endian order when
6894 * the port if_type is 0. This routine has no function for other
6895 * if_types.
da0436e9
JS		 6896 *
6897 * Return codes
af901ca1 6898 * 0 - successful
25985edc 6899 * -ENOMEM - No available memory
d439d286 6900 * -EIO - The mailbox failed to complete successfully.
3772a991 6901 **/
da0436e9
JS		 6902static int
6903lpfc_setup_endian_order(struct lpfc_hba *phba)
3772a991 6904{
da0436e9 6905 LPFC_MBOXQ_t *mboxq;
2fcee4bf 6906 uint32_t if_type, rc = 0;
da0436e9
JS		 6907 uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0,
6908 HOST_ENDIAN_HIGH_WORD1};
3772a991 6909
2fcee4bf
JS		 6910 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
6911 switch (if_type) {
6912 case LPFC_SLI_INTF_IF_TYPE_0:
6913 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
6914 GFP_KERNEL);
6915 if (!mboxq) {
6916 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6917 "0492 Unable to allocate memory for "
6918 "issuing SLI_CONFIG_SPECIAL mailbox "
6919 "command\n");
6920 return -ENOMEM;
6921 }
3772a991 6922
2fcee4bf
JS		 6923 /*
6924 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
6925 * two words to contain special data values and no other data.
6926 */
6927 memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
6928 memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data));
6929 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
6930 if (rc != MBX_SUCCESS) {
6931 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6932 "0493 SLI_CONFIG_SPECIAL mailbox "
6933 "failed with status x%x\n",
6934 rc);
6935 rc = -EIO;
6936 }
6937 mempool_free(mboxq, phba->mbox_mem_pool);
6938 break;
6939 case LPFC_SLI_INTF_IF_TYPE_2:
6940 case LPFC_SLI_INTF_IF_TYPE_1:
6941 default:
6942 break;
da0436e9 6943 }
da0436e9 6944 return rc;
3772a991
JS		 6945}
6946
6947/**
5350d872 6948 * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
3772a991
JS		 6949 * @phba: pointer to lpfc hba data structure.
6950 *
5350d872
JS		 6951 * This routine is invoked to check the user settable queue counts for EQs and
6952 * CQs. after this routine is called the counts will be set to valid values that
6953 * adhere to the constraints of the system's interrupt vectors and the port's
6954 * queue resources.
da0436e9
JS		 6955 *
6956 * Return codes
af901ca1 6957 * 0 - successful
25985edc 6958 * -ENOMEM - No available memory
3772a991 6959 **/
da0436e9 6960static int
5350d872 6961lpfc_sli4_queue_verify(struct lpfc_hba *phba)
3772a991 6962{
67d12733 6963 int cfg_fcp_io_channel;
90695ee0
JS		 6964 uint32_t cpu;
6965 uint32_t i = 0;
1ba981fd 6966 int fof_vectors = phba->cfg_fof ? 1 : 0;
3772a991 6967
da0436e9 6968 /*
67d12733 6969 * Sanity check for configured queue parameters against the run-time
da0436e9
JS		 6970 * device parameters
6971 */
3772a991 6972
67d12733
JS		 6973 /* Sanity check on HBA EQ parameters */
6974 cfg_fcp_io_channel = phba->cfg_fcp_io_channel;
6975
7bb03bbf
JS		 6976 /* It doesn't make sense to have more io channels then online CPUs */
6977 for_each_present_cpu(cpu) {
6978 if (cpu_online(cpu))
6979 i++;
90695ee0 6980 }
7bb03bbf 6981 phba->sli4_hba.num_online_cpu = i;
b246de17 6982 phba->sli4_hba.num_present_cpu = lpfc_present_cpu;
76fd07a6 6983 phba->sli4_hba.curr_disp_cpu = 0;
7bb03bbf 6984
90695ee0 6985 if (i < cfg_fcp_io_channel) {
82c3e9ba
JS		 6986 lpfc_printf_log(phba,
6987 KERN_ERR, LOG_INIT,
90695ee0 6988 "3188 Reducing IO channels to match number of "
7bb03bbf
JS		 6989 "online CPUs: from %d to %d\n",
6990 cfg_fcp_io_channel, i);
90695ee0
JS		 6991 cfg_fcp_io_channel = i;
6992 }
6993
1ba981fd 6994 if (cfg_fcp_io_channel + fof_vectors >
67d12733 6995 phba->sli4_hba.max_cfg_param.max_eq) {
82c3e9ba
JS		 6996 if (phba->sli4_hba.max_cfg_param.max_eq <
6997 LPFC_FCP_IO_CHAN_MIN) {
da0436e9
JS		 6998 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6999 "2574 Not enough EQs (%d) from the "
7000 "pci function for supporting FCP "
7001 "EQs (%d)\n",
7002 phba->sli4_hba.max_cfg_param.max_eq,
67d12733 7003 phba->cfg_fcp_io_channel);
da0436e9
JS		 7004 goto out_error;
7005 }
82c3e9ba
JS		 7006 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7007 "2575 Reducing IO channels to match number of "
7008 "available EQs: from %d to %d\n",
7009 cfg_fcp_io_channel,
7010 phba->sli4_hba.max_cfg_param.max_eq);
1ba981fd
JS		 7011 cfg_fcp_io_channel = phba->sli4_hba.max_cfg_param.max_eq -
7012 fof_vectors;
da0436e9 7013 }
67d12733 7014
da0436e9 7015 /* The actual number of FCP event queues adopted */
67d12733 7016 phba->cfg_fcp_io_channel = cfg_fcp_io_channel;
3772a991 7017
da0436e9
JS		 7018 /* Get EQ depth from module parameter, fake the default for now */
7019 phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B;
7020 phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT;
3772a991 7021
5350d872
JS		 7022 /* Get CQ depth from module parameter, fake the default for now */
7023 phba->sli4_hba.cq_esize = LPFC_CQE_SIZE;
7024 phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT;
7025
7026 return 0;
7027out_error:
7028 return -ENOMEM;
7029}
7030
7031/**
7032 * lpfc_sli4_queue_create - Create all the SLI4 queues
7033 * @phba: pointer to lpfc hba data structure.
7034 *
7035 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
7036 * operation. For each SLI4 queue type, the parameters such as queue entry
7037 * count (queue depth) shall be taken from the module parameter. For now,
7038 * we just use some constant number as place holder.
7039 *
7040 * Return codes
4907cb7b 7041 * 0 - successful
5350d872
JS		 7042 * -ENOMEM - No availble memory
7043 * -EIO - The mailbox failed to complete successfully.
7044 **/
7045int
7046lpfc_sli4_queue_create(struct lpfc_hba *phba)
7047{
7048 struct lpfc_queue *qdesc;
67d12733 7049 int idx;
5350d872
JS		 7050
7051 /*
67d12733 7052 * Create HBA Record arrays.
5350d872 7053 */
67d12733
JS		 7054 if (!phba->cfg_fcp_io_channel)
7055 return -ERANGE;
5350d872 7056
67d12733
JS		 7057 phba->sli4_hba.mq_esize = LPFC_MQE_SIZE;
7058 phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT;
7059 phba->sli4_hba.wq_esize = LPFC_WQE_SIZE;
7060 phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT;
7061 phba->sli4_hba.rq_esize = LPFC_RQE_SIZE;
7062 phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT;
7063
7064 phba->sli4_hba.hba_eq = kzalloc((sizeof(struct lpfc_queue *) *
7065 phba->cfg_fcp_io_channel), GFP_KERNEL);
7066 if (!phba->sli4_hba.hba_eq) {
7067 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7068 "2576 Failed allocate memory for "
7069 "fast-path EQ record array\n");
7070 goto out_error;
7071 }
7072
7073 phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) *
7074 phba->cfg_fcp_io_channel), GFP_KERNEL);
7075 if (!phba->sli4_hba.fcp_cq) {
da0436e9 7076 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
67d12733
JS		 7077 "2577 Failed allocate memory for fast-path "
7078 "CQ record array\n");
7079 goto out_error;
7080 }
7081
7082 phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) *
7083 phba->cfg_fcp_io_channel), GFP_KERNEL);
7084 if (!phba->sli4_hba.fcp_wq) {
7085 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7086 "2578 Failed allocate memory for fast-path "
7087 "WQ record array\n");
da0436e9
JS		 7088 goto out_error;
7089 }
da0436e9 7090
5350d872 7091 /*
67d12733
JS		 7092 * Since the first EQ can have multiple CQs associated with it,
7093 * this array is used to quickly see if we have a FCP fast-path
7094 * CQ match.
5350d872 7095 */
67d12733
JS		 7096 phba->sli4_hba.fcp_cq_map = kzalloc((sizeof(uint16_t) *
7097 phba->cfg_fcp_io_channel), GFP_KERNEL);
7098 if (!phba->sli4_hba.fcp_cq_map) {
7099 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7100 "2545 Failed allocate memory for fast-path "
7101 "CQ map\n");
7102 goto out_error;
da0436e9 7103 }
67d12733
JS		 7104
7105 /*
7106 * Create HBA Event Queues (EQs). The cfg_fcp_io_channel specifies
7107 * how many EQs to create.
7108 */
7109 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7110
7111 /* Create EQs */
da0436e9
JS		 7112 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
7113 phba->sli4_hba.eq_ecount);
7114 if (!qdesc) {
7115 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
67d12733
JS		 7116 "0497 Failed allocate EQ (%d)\n", idx);
7117 goto out_error;
da0436e9 7118 }
67d12733
JS		 7119 phba->sli4_hba.hba_eq[idx] = qdesc;
7120
7121 /* Create Fast Path FCP CQs */
7122 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
7123 phba->sli4_hba.cq_ecount);
7124 if (!qdesc) {
7125 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7126 "0499 Failed allocate fast-path FCP "
7127 "CQ (%d)\n", idx);
7128 goto out_error;
7129 }
7130 phba->sli4_hba.fcp_cq[idx] = qdesc;
7131
7132 /* Create Fast Path FCP WQs */
7133 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
7134 phba->sli4_hba.wq_ecount);
7135 if (!qdesc) {
7136 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7137 "0503 Failed allocate fast-path FCP "
7138 "WQ (%d)\n", idx);
7139 goto out_error;
7140 }
7141 phba->sli4_hba.fcp_wq[idx] = qdesc;
da0436e9
JS		 7142 }
7143
67d12733 7144
da0436e9 7145 /*
67d12733 7146 * Create Slow Path Completion Queues (CQs)
da0436e9
JS		 7147 */
7148
da0436e9
JS		 7149 /* Create slow-path Mailbox Command Complete Queue */
7150 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
7151 phba->sli4_hba.cq_ecount);
7152 if (!qdesc) {
7153 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7154 "0500 Failed allocate slow-path mailbox CQ\n");
67d12733 7155 goto out_error;
da0436e9
JS		 7156 }
7157 phba->sli4_hba.mbx_cq = qdesc;
7158
7159 /* Create slow-path ELS Complete Queue */
7160 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
7161 phba->sli4_hba.cq_ecount);
7162 if (!qdesc) {
7163 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7164 "0501 Failed allocate slow-path ELS CQ\n");
67d12733 7165 goto out_error;
da0436e9
JS		 7166 }
7167 phba->sli4_hba.els_cq = qdesc;
7168
da0436e9 7169
5350d872 7170 /*
67d12733 7171 * Create Slow Path Work Queues (WQs)
5350d872 7172 */
da0436e9
JS		 7173
7174 /* Create Mailbox Command Queue */
da0436e9
JS		 7175
7176 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize,
7177 phba->sli4_hba.mq_ecount);
7178 if (!qdesc) {
7179 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7180 "0505 Failed allocate slow-path MQ\n");
67d12733 7181 goto out_error;
da0436e9
JS		 7182 }
7183 phba->sli4_hba.mbx_wq = qdesc;
7184
7185 /*
67d12733 7186 * Create ELS Work Queues
da0436e9 7187 */
da0436e9
JS		 7188
7189 /* Create slow-path ELS Work Queue */
7190 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
7191 phba->sli4_hba.wq_ecount);
7192 if (!qdesc) {
7193 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7194 "0504 Failed allocate slow-path ELS WQ\n");
67d12733 7195 goto out_error;
da0436e9
JS		 7196 }
7197 phba->sli4_hba.els_wq = qdesc;
7198
da0436e9
JS		 7199 /*
7200 * Create Receive Queue (RQ)
7201 */
da0436e9
JS		 7202
7203 /* Create Receive Queue for header */
7204 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
7205 phba->sli4_hba.rq_ecount);
7206 if (!qdesc) {
7207 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7208 "0506 Failed allocate receive HRQ\n");
67d12733 7209 goto out_error;
da0436e9
JS		 7210 }
7211 phba->sli4_hba.hdr_rq = qdesc;
7212
7213 /* Create Receive Queue for data */
7214 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
7215 phba->sli4_hba.rq_ecount);
7216 if (!qdesc) {
7217 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7218 "0507 Failed allocate receive DRQ\n");
67d12733 7219 goto out_error;
da0436e9
JS		 7220 }
7221 phba->sli4_hba.dat_rq = qdesc;
7222
1ba981fd
JS		 7223 /* Create the Queues needed for Flash Optimized Fabric operations */
7224 if (phba->cfg_fof)
7225 lpfc_fof_queue_create(phba);
da0436e9
JS		 7226 return 0;
7227
da0436e9 7228out_error:
67d12733 7229 lpfc_sli4_queue_destroy(phba);
da0436e9
JS		 7230 return -ENOMEM;
7231}
7232
7233/**
7234 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
7235 * @phba: pointer to lpfc hba data structure.
7236 *
7237 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
7238 * operation.
7239 *
7240 * Return codes
af901ca1 7241 * 0 - successful
25985edc 7242 * -ENOMEM - No available memory
d439d286 7243 * -EIO - The mailbox failed to complete successfully.
da0436e9 7244 **/
5350d872 7245void
da0436e9
JS		 7246lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
7247{
67d12733
JS		 7248 int idx;
7249
1ba981fd
JS		 7250 if (phba->cfg_fof)
7251 lpfc_fof_queue_destroy(phba);
7252
67d12733
JS		 7253 if (phba->sli4_hba.hba_eq != NULL) {
7254 /* Release HBA event queue */
7255 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7256 if (phba->sli4_hba.hba_eq[idx] != NULL) {
7257 lpfc_sli4_queue_free(
7258 phba->sli4_hba.hba_eq[idx]);
7259 phba->sli4_hba.hba_eq[idx] = NULL;
7260 }
7261 }
7262 kfree(phba->sli4_hba.hba_eq);
7263 phba->sli4_hba.hba_eq = NULL;
7264 }
7265
7266 if (phba->sli4_hba.fcp_cq != NULL) {
7267 /* Release FCP completion queue */
7268 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7269 if (phba->sli4_hba.fcp_cq[idx] != NULL) {
7270 lpfc_sli4_queue_free(
7271 phba->sli4_hba.fcp_cq[idx]);
7272 phba->sli4_hba.fcp_cq[idx] = NULL;
7273 }
7274 }
7275 kfree(phba->sli4_hba.fcp_cq);
7276 phba->sli4_hba.fcp_cq = NULL;
7277 }
7278
7279 if (phba->sli4_hba.fcp_wq != NULL) {
7280 /* Release FCP work queue */
7281 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7282 if (phba->sli4_hba.fcp_wq[idx] != NULL) {
7283 lpfc_sli4_queue_free(
7284 phba->sli4_hba.fcp_wq[idx]);
7285 phba->sli4_hba.fcp_wq[idx] = NULL;
7286 }
7287 }
7288 kfree(phba->sli4_hba.fcp_wq);
7289 phba->sli4_hba.fcp_wq = NULL;
7290 }
7291
7292 /* Release FCP CQ mapping array */
7293 if (phba->sli4_hba.fcp_cq_map != NULL) {
7294 kfree(phba->sli4_hba.fcp_cq_map);
7295 phba->sli4_hba.fcp_cq_map = NULL;
7296 }
da0436e9
JS		 7297
7298 /* Release mailbox command work queue */
67d12733
JS		 7299 if (phba->sli4_hba.mbx_wq != NULL) {
7300 lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq);
7301 phba->sli4_hba.mbx_wq = NULL;
7302 }
da0436e9
JS		 7303
7304 /* Release ELS work queue */
67d12733
JS		 7305 if (phba->sli4_hba.els_wq != NULL) {
7306 lpfc_sli4_queue_free(phba->sli4_hba.els_wq);
7307 phba->sli4_hba.els_wq = NULL;
7308 }
da0436e9
JS		 7309
7310 /* Release unsolicited receive queue */
67d12733
JS		 7311 if (phba->sli4_hba.hdr_rq != NULL) {
7312 lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq);
7313 phba->sli4_hba.hdr_rq = NULL;
7314 }
7315 if (phba->sli4_hba.dat_rq != NULL) {
7316 lpfc_sli4_queue_free(phba->sli4_hba.dat_rq);
7317 phba->sli4_hba.dat_rq = NULL;
7318 }
da0436e9 7319
da0436e9 7320 /* Release ELS complete queue */
67d12733
JS		 7321 if (phba->sli4_hba.els_cq != NULL) {
7322 lpfc_sli4_queue_free(phba->sli4_hba.els_cq);
7323 phba->sli4_hba.els_cq = NULL;
7324 }
da0436e9
JS		 7325
7326 /* Release mailbox command complete queue */
67d12733
JS		 7327 if (phba->sli4_hba.mbx_cq != NULL) {
7328 lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq);
7329 phba->sli4_hba.mbx_cq = NULL;
7330 }
da0436e9
JS		 7331
7332 return;
7333}
7334
7335/**
7336 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
7337 * @phba: pointer to lpfc hba data structure.
7338 *
7339 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
7340 * operation.
7341 *
7342 * Return codes
af901ca1 7343 * 0 - successful
25985edc 7344 * -ENOMEM - No available memory
d439d286 7345 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7346 **/
7347int
7348lpfc_sli4_queue_setup(struct lpfc_hba *phba)
7349{
2a76a283
JS		 7350 struct lpfc_sli *psli = &phba->sli;
7351 struct lpfc_sli_ring *pring;
da0436e9
JS		 7352 int rc = -ENOMEM;
7353 int fcp_eqidx, fcp_cqidx, fcp_wqidx;
7354 int fcp_cq_index = 0;
962bc51b
JS		 7355 uint32_t shdr_status, shdr_add_status;
7356 union lpfc_sli4_cfg_shdr *shdr;
7357 LPFC_MBOXQ_t *mboxq;
7358 uint32_t length;
7359
7360 /* Check for dual-ULP support */
7361 mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
7362 if (!mboxq) {
7363 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7364 "3249 Unable to allocate memory for "
7365 "QUERY_FW_CFG mailbox command\n");
7366 return -ENOMEM;
7367 }
7368 length = (sizeof(struct lpfc_mbx_query_fw_config) -
7369 sizeof(struct lpfc_sli4_cfg_mhdr));
7370 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
7371 LPFC_MBOX_OPCODE_QUERY_FW_CFG,
7372 length, LPFC_SLI4_MBX_EMBED);
7373
7374 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
7375
7376 shdr = (union lpfc_sli4_cfg_shdr *)
7377 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
7378 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
7379 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
7380 if (shdr_status || shdr_add_status || rc) {
7381 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7382 "3250 QUERY_FW_CFG mailbox failed with status "
7383 "x%x add_status x%x, mbx status x%x\n",
7384 shdr_status, shdr_add_status, rc);
7385 if (rc != MBX_TIMEOUT)
7386 mempool_free(mboxq, phba->mbox_mem_pool);
7387 rc = -ENXIO;
7388 goto out_error;
7389 }
7390
7391 phba->sli4_hba.fw_func_mode =
7392 mboxq->u.mqe.un.query_fw_cfg.rsp.function_mode;
7393 phba->sli4_hba.ulp0_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp0_mode;
7394 phba->sli4_hba.ulp1_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp1_mode;
7395 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7396 "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, "
7397 "ulp1_mode:x%x\n", phba->sli4_hba.fw_func_mode,
7398 phba->sli4_hba.ulp0_mode, phba->sli4_hba.ulp1_mode);
7399
7400 if (rc != MBX_TIMEOUT)
7401 mempool_free(mboxq, phba->mbox_mem_pool);
da0436e9
JS		 7402
7403 /*
67d12733 7404 * Set up HBA Event Queues (EQs)
da0436e9
JS		 7405 */
7406
67d12733
JS		 7407 /* Set up HBA event queue */
7408 if (phba->cfg_fcp_io_channel && !phba->sli4_hba.hba_eq) {
2e90f4b5
JS		 7409 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7410 "3147 Fast-path EQs not allocated\n");
1b51197d 7411 rc = -ENOMEM;
67d12733 7412 goto out_error;
2e90f4b5 7413 }
67d12733
JS		 7414 for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_io_channel; fcp_eqidx++) {
7415 if (!phba->sli4_hba.hba_eq[fcp_eqidx]) {
da0436e9
JS		 7416 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7417 "0522 Fast-path EQ (%d) not "
7418 "allocated\n", fcp_eqidx);
1b51197d 7419 rc = -ENOMEM;
67d12733 7420 goto out_destroy_hba_eq;
da0436e9 7421 }
67d12733 7422 rc = lpfc_eq_create(phba, phba->sli4_hba.hba_eq[fcp_eqidx],
bf8dae83 7423 (phba->cfg_fcp_imax / phba->cfg_fcp_io_channel));
da0436e9
JS		 7424 if (rc) {
7425 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7426 "0523 Failed setup of fast-path EQ "
a2fc4aef
JS		 7427 "(%d), rc = 0x%x\n", fcp_eqidx,
7428 (uint32_t)rc);
67d12733 7429 goto out_destroy_hba_eq;
da0436e9
JS		 7430 }
7431 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
67d12733 7432 "2584 HBA EQ setup: "
da0436e9 7433 "queue[%d]-id=%d\n", fcp_eqidx,
67d12733 7434 phba->sli4_hba.hba_eq[fcp_eqidx]->queue_id);
da0436e9
JS		 7435 }
7436
67d12733
JS		 7437 /* Set up fast-path FCP Response Complete Queue */
7438 if (!phba->sli4_hba.fcp_cq) {
7439 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7440 "3148 Fast-path FCP CQ array not "
7441 "allocated\n");
7442 rc = -ENOMEM;
7443 goto out_destroy_hba_eq;
7444 }
7445
7446 for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_io_channel; fcp_cqidx++) {
7447 if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) {
7448 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7449 "0526 Fast-path FCP CQ (%d) not "
7450 "allocated\n", fcp_cqidx);
7451 rc = -ENOMEM;
7452 goto out_destroy_fcp_cq;
7453 }
7454 rc = lpfc_cq_create(phba, phba->sli4_hba.fcp_cq[fcp_cqidx],
7455 phba->sli4_hba.hba_eq[fcp_cqidx], LPFC_WCQ, LPFC_FCP);
7456 if (rc) {
7457 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7458 "0527 Failed setup of fast-path FCP "
a2fc4aef
JS		 7459 "CQ (%d), rc = 0x%x\n", fcp_cqidx,
7460 (uint32_t)rc);
67d12733
JS		 7461 goto out_destroy_fcp_cq;
7462 }
7463
7464 /* Setup fcp_cq_map for fast lookup */
7465 phba->sli4_hba.fcp_cq_map[fcp_cqidx] =
7466 phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id;
7467
7468 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7469 "2588 FCP CQ setup: cq[%d]-id=%d, "
7470 "parent seq[%d]-id=%d\n",
7471 fcp_cqidx,
7472 phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id,
7473 fcp_cqidx,
7474 phba->sli4_hba.hba_eq[fcp_cqidx]->queue_id);
7475 }
7476
7477 /* Set up fast-path FCP Work Queue */
7478 if (!phba->sli4_hba.fcp_wq) {
7479 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7480 "3149 Fast-path FCP WQ array not "
7481 "allocated\n");
7482 rc = -ENOMEM;
7483 goto out_destroy_fcp_cq;
7484 }
7485
7486 for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_io_channel; fcp_wqidx++) {
7487 if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) {
7488 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7489 "0534 Fast-path FCP WQ (%d) not "
7490 "allocated\n", fcp_wqidx);
7491 rc = -ENOMEM;
7492 goto out_destroy_fcp_wq;
7493 }
7494 rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx],
7495 phba->sli4_hba.fcp_cq[fcp_wqidx],
7496 LPFC_FCP);
7497 if (rc) {
7498 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7499 "0535 Failed setup of fast-path FCP "
a2fc4aef
JS		 7500 "WQ (%d), rc = 0x%x\n", fcp_wqidx,
7501 (uint32_t)rc);
67d12733
JS		 7502 goto out_destroy_fcp_wq;
7503 }
7504
7505 /* Bind this WQ to the next FCP ring */
7506 pring = &psli->ring[MAX_SLI3_CONFIGURED_RINGS + fcp_wqidx];
7507 pring->sli.sli4.wqp = (void *)phba->sli4_hba.fcp_wq[fcp_wqidx];
7508 phba->sli4_hba.fcp_cq[fcp_wqidx]->pring = pring;
7509
7510 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7511 "2591 FCP WQ setup: wq[%d]-id=%d, "
7512 "parent cq[%d]-id=%d\n",
7513 fcp_wqidx,
7514 phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id,
7515 fcp_cq_index,
7516 phba->sli4_hba.fcp_cq[fcp_wqidx]->queue_id);
7517 }
da0436e9
JS		 7518 /*
7519 * Set up Complete Queues (CQs)
7520 */
7521
7522 /* Set up slow-path MBOX Complete Queue as the first CQ */
7523 if (!phba->sli4_hba.mbx_cq) {
7524 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7525 "0528 Mailbox CQ not allocated\n");
1b51197d 7526 rc = -ENOMEM;
67d12733 7527 goto out_destroy_fcp_wq;
da0436e9 7528 }
67d12733
JS		 7529 rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq,
7530 phba->sli4_hba.hba_eq[0], LPFC_MCQ, LPFC_MBOX);
da0436e9
JS		 7531 if (rc) {
7532 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7533 "0529 Failed setup of slow-path mailbox CQ: "
a2fc4aef 7534 "rc = 0x%x\n", (uint32_t)rc);
67d12733 7535 goto out_destroy_fcp_wq;
da0436e9
JS		 7536 }
7537 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7538 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
7539 phba->sli4_hba.mbx_cq->queue_id,
67d12733 7540 phba->sli4_hba.hba_eq[0]->queue_id);
da0436e9
JS		 7541
7542 /* Set up slow-path ELS Complete Queue */
7543 if (!phba->sli4_hba.els_cq) {
7544 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7545 "0530 ELS CQ not allocated\n");
1b51197d 7546 rc = -ENOMEM;
da0436e9
JS		 7547 goto out_destroy_mbx_cq;
7548 }
67d12733
JS		 7549 rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq,
7550 phba->sli4_hba.hba_eq[0], LPFC_WCQ, LPFC_ELS);
da0436e9
JS		 7551 if (rc) {
7552 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7553 "0531 Failed setup of slow-path ELS CQ: "
a2fc4aef 7554 "rc = 0x%x\n", (uint32_t)rc);
da0436e9
JS		 7555 goto out_destroy_mbx_cq;
7556 }
7557 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7558 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
7559 phba->sli4_hba.els_cq->queue_id,
67d12733 7560 phba->sli4_hba.hba_eq[0]->queue_id);
da0436e9
JS		 7561
7562 /*
7563 * Set up all the Work Queues (WQs)
7564 */
7565
7566 /* Set up Mailbox Command Queue */
7567 if (!phba->sli4_hba.mbx_wq) {
7568 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7569 "0538 Slow-path MQ not allocated\n");
1b51197d 7570 rc = -ENOMEM;
67d12733 7571 goto out_destroy_els_cq;
da0436e9
JS		 7572 }
7573 rc = lpfc_mq_create(phba, phba->sli4_hba.mbx_wq,
7574 phba->sli4_hba.mbx_cq, LPFC_MBOX);
7575 if (rc) {
7576 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7577 "0539 Failed setup of slow-path MQ: "
7578 "rc = 0x%x\n", rc);
67d12733 7579 goto out_destroy_els_cq;
da0436e9
JS		 7580 }
7581 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7582 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
7583 phba->sli4_hba.mbx_wq->queue_id,
7584 phba->sli4_hba.mbx_cq->queue_id);
7585
7586 /* Set up slow-path ELS Work Queue */
7587 if (!phba->sli4_hba.els_wq) {
7588 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7589 "0536 Slow-path ELS WQ not allocated\n");
1b51197d 7590 rc = -ENOMEM;
da0436e9
JS		 7591 goto out_destroy_mbx_wq;
7592 }
7593 rc = lpfc_wq_create(phba, phba->sli4_hba.els_wq,
7594 phba->sli4_hba.els_cq, LPFC_ELS);
7595 if (rc) {
7596 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7597 "0537 Failed setup of slow-path ELS WQ: "
a2fc4aef 7598 "rc = 0x%x\n", (uint32_t)rc);
da0436e9
JS		 7599 goto out_destroy_mbx_wq;
7600 }
2a76a283
JS		 7601
7602 /* Bind this WQ to the ELS ring */
7603 pring = &psli->ring[LPFC_ELS_RING];
7604 pring->sli.sli4.wqp = (void *)phba->sli4_hba.els_wq;
7605 phba->sli4_hba.els_cq->pring = pring;
7606
da0436e9
JS		 7607 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7608 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
7609 phba->sli4_hba.els_wq->queue_id,
7610 phba->sli4_hba.els_cq->queue_id);
7611
da0436e9
JS		 7612 /*
7613 * Create Receive Queue (RQ)
7614 */
7615 if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) {
7616 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7617 "0540 Receive Queue not allocated\n");
1b51197d 7618 rc = -ENOMEM;
67d12733 7619 goto out_destroy_els_wq;
da0436e9 7620 }
73d91e50
JS		 7621
7622 lpfc_rq_adjust_repost(phba, phba->sli4_hba.hdr_rq, LPFC_ELS_HBQ);
7623 lpfc_rq_adjust_repost(phba, phba->sli4_hba.dat_rq, LPFC_ELS_HBQ);
7624
da0436e9 7625 rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq,
4d9ab994 7626 phba->sli4_hba.els_cq, LPFC_USOL);
da0436e9
JS		 7627 if (rc) {
7628 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7629 "0541 Failed setup of Receive Queue: "
a2fc4aef 7630 "rc = 0x%x\n", (uint32_t)rc);
da0436e9
JS		 7631 goto out_destroy_fcp_wq;
7632 }
73d91e50 7633
da0436e9
JS		 7634 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7635 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
7636 "parent cq-id=%d\n",
7637 phba->sli4_hba.hdr_rq->queue_id,
7638 phba->sli4_hba.dat_rq->queue_id,
4d9ab994 7639 phba->sli4_hba.els_cq->queue_id);
1ba981fd
JS		 7640
7641 if (phba->cfg_fof) {
7642 rc = lpfc_fof_queue_setup(phba);
7643 if (rc) {
7644 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7645 "0549 Failed setup of FOF Queues: "
7646 "rc = 0x%x\n", rc);
7647 goto out_destroy_els_rq;
7648 }
7649 }
da0436e9
JS		 7650 return 0;
7651
1ba981fd
JS		 7652out_destroy_els_rq:
7653 lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq);
2e90f4b5 7654out_destroy_els_wq:
da0436e9
JS		 7655 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
7656out_destroy_mbx_wq:
7657 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
2e90f4b5 7658out_destroy_els_cq:
da0436e9
JS		 7659 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
7660out_destroy_mbx_cq:
7661 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
67d12733
JS		 7662out_destroy_fcp_wq:
7663 for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--)
7664 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]);
7665out_destroy_fcp_cq:
7666 for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--)
7667 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]);
7668out_destroy_hba_eq:
da0436e9 7669 for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--)
67d12733 7670 lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_eqidx]);
da0436e9
JS		 7671out_error:
7672 return rc;
7673}
7674
7675/**
7676 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
7677 * @phba: pointer to lpfc hba data structure.
7678 *
7679 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
7680 * operation.
7681 *
7682 * Return codes
af901ca1 7683 * 0 - successful
25985edc 7684 * -ENOMEM - No available memory
d439d286 7685 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7686 **/
7687void
7688lpfc_sli4_queue_unset(struct lpfc_hba *phba)
7689{
7690 int fcp_qidx;
7691
1ba981fd
JS		 7692 /* Unset the queues created for Flash Optimized Fabric operations */
7693 if (phba->cfg_fof)
7694 lpfc_fof_queue_destroy(phba);
da0436e9
JS		 7695 /* Unset mailbox command work queue */
7696 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
7697 /* Unset ELS work queue */
7698 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
7699 /* Unset unsolicited receive queue */
7700 lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq);
7701 /* Unset FCP work queue */
67d12733
JS		 7702 if (phba->sli4_hba.fcp_wq) {
7703 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
7704 fcp_qidx++)
7705 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_qidx]);
7706 }
da0436e9
JS		 7707 /* Unset mailbox command complete queue */
7708 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
7709 /* Unset ELS complete queue */
7710 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
da0436e9 7711 /* Unset FCP response complete queue */
2e90f4b5 7712 if (phba->sli4_hba.fcp_cq) {
67d12733
JS		 7713 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
7714 fcp_qidx++)
2e90f4b5 7715 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]);
2e90f4b5 7716 }
da0436e9 7717 /* Unset fast-path event queue */
67d12733
JS		 7718 if (phba->sli4_hba.hba_eq) {
7719 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
2e90f4b5 7720 fcp_qidx++)
67d12733 7721 lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_qidx]);
2e90f4b5 7722 }
da0436e9
JS		 7723}
7724
7725/**
7726 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
7727 * @phba: pointer to lpfc hba data structure.
7728 *
7729 * This routine is invoked to allocate and set up a pool of completion queue
7730 * events. The body of the completion queue event is a completion queue entry
7731 * CQE. For now, this pool is used for the interrupt service routine to queue
7732 * the following HBA completion queue events for the worker thread to process:
7733 * - Mailbox asynchronous events
7734 * - Receive queue completion unsolicited events
7735 * Later, this can be used for all the slow-path events.
7736 *
7737 * Return codes
af901ca1 7738 * 0 - successful
25985edc 7739 * -ENOMEM - No available memory
da0436e9
JS		 7740 **/
7741static int
7742lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba)
7743{
7744 struct lpfc_cq_event *cq_event;
7745 int i;
7746
7747 for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) {
7748 cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL);
7749 if (!cq_event)
7750 goto out_pool_create_fail;
7751 list_add_tail(&cq_event->list,
7752 &phba->sli4_hba.sp_cqe_event_pool);
7753 }
7754 return 0;
7755
7756out_pool_create_fail:
7757 lpfc_sli4_cq_event_pool_destroy(phba);
7758 return -ENOMEM;
7759}
7760
7761/**
7762 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
7763 * @phba: pointer to lpfc hba data structure.
7764 *
7765 * This routine is invoked to free the pool of completion queue events at
7766 * driver unload time. Note that, it is the responsibility of the driver
7767 * cleanup routine to free all the outstanding completion-queue events
7768 * allocated from this pool back into the pool before invoking this routine
7769 * to destroy the pool.
7770 **/
7771static void
7772lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba)
7773{
7774 struct lpfc_cq_event *cq_event, *next_cq_event;
7775
7776 list_for_each_entry_safe(cq_event, next_cq_event,
7777 &phba->sli4_hba.sp_cqe_event_pool, list) {
7778 list_del(&cq_event->list);
7779 kfree(cq_event);
7780 }
7781}
7782
7783/**
7784 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7785 * @phba: pointer to lpfc hba data structure.
7786 *
7787 * This routine is the lock free version of the API invoked to allocate a
7788 * completion-queue event from the free pool.
7789 *
7790 * Return: Pointer to the newly allocated completion-queue event if successful
7791 * NULL otherwise.
7792 **/
7793struct lpfc_cq_event *
7794__lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
7795{
7796 struct lpfc_cq_event *cq_event = NULL;
7797
7798 list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event,
7799 struct lpfc_cq_event, list);
7800 return cq_event;
7801}
7802
7803/**
7804 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7805 * @phba: pointer to lpfc hba data structure.
7806 *
7807 * This routine is the lock version of the API invoked to allocate a
7808 * completion-queue event from the free pool.
7809 *
7810 * Return: Pointer to the newly allocated completion-queue event if successful
7811 * NULL otherwise.
7812 **/
7813struct lpfc_cq_event *
7814lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
7815{
7816 struct lpfc_cq_event *cq_event;
7817 unsigned long iflags;
7818
7819 spin_lock_irqsave(&phba->hbalock, iflags);
7820 cq_event = __lpfc_sli4_cq_event_alloc(phba);
7821 spin_unlock_irqrestore(&phba->hbalock, iflags);
7822 return cq_event;
7823}
7824
7825/**
7826 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7827 * @phba: pointer to lpfc hba data structure.
7828 * @cq_event: pointer to the completion queue event to be freed.
7829 *
7830 * This routine is the lock free version of the API invoked to release a
7831 * completion-queue event back into the free pool.
7832 **/
7833void
7834__lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
7835 struct lpfc_cq_event *cq_event)
7836{
7837 list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool);
7838}
7839
7840/**
7841 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7842 * @phba: pointer to lpfc hba data structure.
7843 * @cq_event: pointer to the completion queue event to be freed.
7844 *
7845 * This routine is the lock version of the API invoked to release a
7846 * completion-queue event back into the free pool.
7847 **/
7848void
7849lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
7850 struct lpfc_cq_event *cq_event)
7851{
7852 unsigned long iflags;
7853 spin_lock_irqsave(&phba->hbalock, iflags);
7854 __lpfc_sli4_cq_event_release(phba, cq_event);
7855 spin_unlock_irqrestore(&phba->hbalock, iflags);
7856}
7857
7858/**
7859 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
7860 * @phba: pointer to lpfc hba data structure.
7861 *
7862 * This routine is to free all the pending completion-queue events to the
7863 * back into the free pool for device reset.
7864 **/
7865static void
7866lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba)
7867{
7868 LIST_HEAD(cqelist);
7869 struct lpfc_cq_event *cqe;
7870 unsigned long iflags;
7871
7872 /* Retrieve all the pending WCQEs from pending WCQE lists */
7873 spin_lock_irqsave(&phba->hbalock, iflags);
7874 /* Pending FCP XRI abort events */
7875 list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue,
7876 &cqelist);
7877 /* Pending ELS XRI abort events */
7878 list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue,
7879 &cqelist);
7880 /* Pending asynnc events */
7881 list_splice_init(&phba->sli4_hba.sp_asynce_work_queue,
7882 &cqelist);
7883 spin_unlock_irqrestore(&phba->hbalock, iflags);
7884
7885 while (!list_empty(&cqelist)) {
7886 list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list);
7887 lpfc_sli4_cq_event_release(phba, cqe);
7888 }
7889}
7890
7891/**
7892 * lpfc_pci_function_reset - Reset pci function.
7893 * @phba: pointer to lpfc hba data structure.
7894 *
7895 * This routine is invoked to request a PCI function reset. It will destroys
7896 * all resources assigned to the PCI function which originates this request.
7897 *
7898 * Return codes
af901ca1 7899 * 0 - successful
25985edc 7900 * -ENOMEM - No available memory
d439d286 7901 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7902 **/
7903int
7904lpfc_pci_function_reset(struct lpfc_hba *phba)
7905{
7906 LPFC_MBOXQ_t *mboxq;
2fcee4bf 7907 uint32_t rc = 0, if_type;
da0436e9 7908 uint32_t shdr_status, shdr_add_status;
2f6fa2c9
JS		 7909 uint32_t rdy_chk;
7910 uint32_t port_reset = 0;
da0436e9 7911 union lpfc_sli4_cfg_shdr *shdr;
2fcee4bf 7912 struct lpfc_register reg_data;
2b81f942 7913 uint16_t devid;
da0436e9 7914
2fcee4bf
JS		 7915 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
7916 switch (if_type) {
7917 case LPFC_SLI_INTF_IF_TYPE_0:
7918 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
7919 GFP_KERNEL);
7920 if (!mboxq) {
7921 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7922 "0494 Unable to allocate memory for "
7923 "issuing SLI_FUNCTION_RESET mailbox "
7924 "command\n");
7925 return -ENOMEM;
7926 }
da0436e9 7927
2fcee4bf
JS		 7928 /* Setup PCI function reset mailbox-ioctl command */
7929 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
7930 LPFC_MBOX_OPCODE_FUNCTION_RESET, 0,
7931 LPFC_SLI4_MBX_EMBED);
7932 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
7933 shdr = (union lpfc_sli4_cfg_shdr *)
7934 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
7935 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
7936 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
7937 &shdr->response);
7938 if (rc != MBX_TIMEOUT)
7939 mempool_free(mboxq, phba->mbox_mem_pool);
7940 if (shdr_status || shdr_add_status || rc) {
7941 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7942 "0495 SLI_FUNCTION_RESET mailbox "
7943 "failed with status x%x add_status x%x,"
7944 " mbx status x%x\n",
7945 shdr_status, shdr_add_status, rc);
7946 rc = -ENXIO;
7947 }
7948 break;
7949 case LPFC_SLI_INTF_IF_TYPE_2:
2f6fa2c9
JS		 7950wait:
7951 /*
7952 * Poll the Port Status Register and wait for RDY for
7953 * up to 30 seconds. If the port doesn't respond, treat
7954 * it as an error.
7955 */
77d093fb 7956 for (rdy_chk = 0; rdy_chk < 1500; rdy_chk++) {
2f6fa2c9
JS		 7957 if (lpfc_readl(phba->sli4_hba.u.if_type2.
7958 STATUSregaddr, &reg_data.word0)) {
7959 rc = -ENODEV;
7960 goto out;
7961 }
7962 if (bf_get(lpfc_sliport_status_rdy, &reg_data))
7963 break;
7964 msleep(20);
7965 }
7966
7967 if (!bf_get(lpfc_sliport_status_rdy, &reg_data)) {
7968 phba->work_status[0] = readl(
7969 phba->sli4_hba.u.if_type2.ERR1regaddr);
7970 phba->work_status[1] = readl(
7971 phba->sli4_hba.u.if_type2.ERR2regaddr);
7972 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7973 "2890 Port not ready, port status reg "
7974 "0x%x error 1=0x%x, error 2=0x%x\n",
7975 reg_data.word0,
7976 phba->work_status[0],
7977 phba->work_status[1]);
7978 rc = -ENODEV;
7979 goto out;
7980 }
7981
7982 if (!port_reset) {
7983 /*
7984 * Reset the port now
7985 */
2fcee4bf
JS		 7986 reg_data.word0 = 0;
7987 bf_set(lpfc_sliport_ctrl_end, &reg_data,
7988 LPFC_SLIPORT_LITTLE_ENDIAN);
7989 bf_set(lpfc_sliport_ctrl_ip, &reg_data,
7990 LPFC_SLIPORT_INIT_PORT);
7991 writel(reg_data.word0, phba->sli4_hba.u.if_type2.
7992 CTRLregaddr);
8fcb8acd 7993 /* flush */
2b81f942
JS		 7994 pci_read_config_word(phba->pcidev,
7995 PCI_DEVICE_ID, &devid);
2fcee4bf 7996
2f6fa2c9
JS		 7997 port_reset = 1;
7998 msleep(20);
7999 goto wait;
8000 } else if (bf_get(lpfc_sliport_status_rn, &reg_data)) {
8001 rc = -ENODEV;
8002 goto out;
2fcee4bf
JS		 8003 }
8004 break;
2f6fa2c9 8005
2fcee4bf
JS		 8006 case LPFC_SLI_INTF_IF_TYPE_1:
8007 default:
8008 break;
da0436e9 8009 }
2fcee4bf 8010
73d91e50 8011out:
2fcee4bf 8012 /* Catch the not-ready port failure after a port reset. */
2f6fa2c9 8013 if (rc) {
229adb0e
JS		 8014 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8015 "3317 HBA not functional: IP Reset Failed "
2f6fa2c9 8016 "try: echo fw_reset > board_mode\n");
2fcee4bf 8017 rc = -ENODEV;
229adb0e 8018 }
2fcee4bf 8019
da0436e9
JS		 8020 return rc;
8021}
8022
da0436e9
JS		 8023/**
8024 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
8025 * @phba: pointer to lpfc hba data structure.
8026 *
8027 * This routine is invoked to set up the PCI device memory space for device
8028 * with SLI-4 interface spec.
8029 *
8030 * Return codes
af901ca1 8031 * 0 - successful
da0436e9
JS		 8032 * other values - error
8033 **/
8034static int
8035lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
8036{
8037 struct pci_dev *pdev;
8038 unsigned long bar0map_len, bar1map_len, bar2map_len;
8039 int error = -ENODEV;
2fcee4bf 8040 uint32_t if_type;
da0436e9
JS		 8041
8042 /* Obtain PCI device reference */
8043 if (!phba->pcidev)
8044 return error;
8045 else
8046 pdev = phba->pcidev;
8047
8048 /* Set the device DMA mask size */
8e68597d
MR		 8049 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0
8050 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) {
8051 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0
8052 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) {
da0436e9 8053 return error;
8e68597d
MR		 8054 }
8055 }
da0436e9 8056
2fcee4bf
JS		 8057 /*
8058 * The BARs and register set definitions and offset locations are
8059 * dependent on the if_type.
8060 */
8061 if (pci_read_config_dword(pdev, LPFC_SLI_INTF,
8062 &phba->sli4_hba.sli_intf.word0)) {
8063 return error;
8064 }
8065
8066 /* There is no SLI3 failback for SLI4 devices. */
8067 if (bf_get(lpfc_sli_intf_valid, &phba->sli4_hba.sli_intf) !=
8068 LPFC_SLI_INTF_VALID) {
8069 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8070 "2894 SLI_INTF reg contents invalid "
8071 "sli_intf reg 0x%x\n",
8072 phba->sli4_hba.sli_intf.word0);
8073 return error;
8074 }
8075
8076 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
8077 /*
8078 * Get the bus address of SLI4 device Bar regions and the
8079 * number of bytes required by each mapping. The mapping of the
8080 * particular PCI BARs regions is dependent on the type of
8081 * SLI4 device.
da0436e9 8082 */
f5ca6f2e
JS		 8083 if (pci_resource_start(pdev, PCI_64BIT_BAR0)) {
8084 phba->pci_bar0_map = pci_resource_start(pdev, PCI_64BIT_BAR0);
8085 bar0map_len = pci_resource_len(pdev, PCI_64BIT_BAR0);
2fcee4bf
JS		 8086
8087 /*
8088 * Map SLI4 PCI Config Space Register base to a kernel virtual
8089 * addr
8090 */
8091 phba->sli4_hba.conf_regs_memmap_p =
8092 ioremap(phba->pci_bar0_map, bar0map_len);
8093 if (!phba->sli4_hba.conf_regs_memmap_p) {
8094 dev_printk(KERN_ERR, &pdev->dev,
8095 "ioremap failed for SLI4 PCI config "
8096 "registers.\n");
8097 goto out;
8098 }
f5ca6f2e 8099 phba->pci_bar0_memmap_p = phba->sli4_hba.conf_regs_memmap_p;
2fcee4bf
JS		 8100 /* Set up BAR0 PCI config space register memory map */
8101 lpfc_sli4_bar0_register_memmap(phba, if_type);
1dfb5a47
JS		 8102 } else {
8103 phba->pci_bar0_map = pci_resource_start(pdev, 1);
8104 bar0map_len = pci_resource_len(pdev, 1);
2fcee4bf
JS		 8105 if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
8106 dev_printk(KERN_ERR, &pdev->dev,
8107 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
8108 goto out;
8109 }
8110 phba->sli4_hba.conf_regs_memmap_p =
da0436e9 8111 ioremap(phba->pci_bar0_map, bar0map_len);
2fcee4bf
JS		 8112 if (!phba->sli4_hba.conf_regs_memmap_p) {
8113 dev_printk(KERN_ERR, &pdev->dev,
8114 "ioremap failed for SLI4 PCI config "
8115 "registers.\n");
8116 goto out;
8117 }
8118 lpfc_sli4_bar0_register_memmap(phba, if_type);
da0436e9
JS		 8119 }
8120
c31098ce 8121 if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
f5ca6f2e 8122 (pci_resource_start(pdev, PCI_64BIT_BAR2))) {
2fcee4bf
JS		 8123 /*
8124 * Map SLI4 if type 0 HBA Control Register base to a kernel
8125 * virtual address and setup the registers.
8126 */
f5ca6f2e
JS		 8127 phba->pci_bar1_map = pci_resource_start(pdev, PCI_64BIT_BAR2);
8128 bar1map_len = pci_resource_len(pdev, PCI_64BIT_BAR2);
2fcee4bf 8129 phba->sli4_hba.ctrl_regs_memmap_p =
da0436e9 8130 ioremap(phba->pci_bar1_map, bar1map_len);
2fcee4bf
JS		 8131 if (!phba->sli4_hba.ctrl_regs_memmap_p) {
8132 dev_printk(KERN_ERR, &pdev->dev,
da0436e9 8133 "ioremap failed for SLI4 HBA control registers.\n");
2fcee4bf
JS		 8134 goto out_iounmap_conf;
8135 }
f5ca6f2e 8136 phba->pci_bar2_memmap_p = phba->sli4_hba.ctrl_regs_memmap_p;
2fcee4bf 8137 lpfc_sli4_bar1_register_memmap(phba);
da0436e9
JS		 8138 }
8139
c31098ce 8140 if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
f5ca6f2e 8141 (pci_resource_start(pdev, PCI_64BIT_BAR4))) {
2fcee4bf
JS		 8142 /*
8143 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
8144 * virtual address and setup the registers.
8145 */
f5ca6f2e
JS		 8146 phba->pci_bar2_map = pci_resource_start(pdev, PCI_64BIT_BAR4);
8147 bar2map_len = pci_resource_len(pdev, PCI_64BIT_BAR4);
2fcee4bf 8148 phba->sli4_hba.drbl_regs_memmap_p =
da0436e9 8149 ioremap(phba->pci_bar2_map, bar2map_len);
2fcee4bf
JS		 8150 if (!phba->sli4_hba.drbl_regs_memmap_p) {
8151 dev_printk(KERN_ERR, &pdev->dev,
da0436e9 8152 "ioremap failed for SLI4 HBA doorbell registers.\n");
2fcee4bf
JS		 8153 goto out_iounmap_ctrl;
8154 }
f5ca6f2e 8155 phba->pci_bar4_memmap_p = phba->sli4_hba.drbl_regs_memmap_p;
2fcee4bf
JS		 8156 error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0);
8157 if (error)
8158 goto out_iounmap_all;
da0436e9
JS		 8159 }
8160
da0436e9
JS		 8161 return 0;
8162
8163out_iounmap_all:
8164 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
8165out_iounmap_ctrl:
8166 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
8167out_iounmap_conf:
8168 iounmap(phba->sli4_hba.conf_regs_memmap_p);
8169out:
8170 return error;
8171}
8172
8173/**
8174 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
8175 * @phba: pointer to lpfc hba data structure.
8176 *
8177 * This routine is invoked to unset the PCI device memory space for device
8178 * with SLI-4 interface spec.
8179 **/
8180static void
8181lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba)
8182{
2e90f4b5
JS		 8183 uint32_t if_type;
8184 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
da0436e9 8185
2e90f4b5
JS		 8186 switch (if_type) {
8187 case LPFC_SLI_INTF_IF_TYPE_0:
8188 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
8189 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
8190 iounmap(phba->sli4_hba.conf_regs_memmap_p);
8191 break;
8192 case LPFC_SLI_INTF_IF_TYPE_2:
8193 iounmap(phba->sli4_hba.conf_regs_memmap_p);
8194 break;
8195 case LPFC_SLI_INTF_IF_TYPE_1:
8196 default:
8197 dev_printk(KERN_ERR, &phba->pcidev->dev,
8198 "FATAL - unsupported SLI4 interface type - %d\n",
8199 if_type);
8200 break;
8201 }
da0436e9
JS		 8202}
8203
8204/**
8205 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
8206 * @phba: pointer to lpfc hba data structure.
8207 *
8208 * This routine is invoked to enable the MSI-X interrupt vectors to device
4f871e1b
AG		 8209 * with SLI-3 interface specs. The kernel function pci_enable_msix_exact()
8210 * is called to enable the MSI-X vectors. Note that pci_enable_msix_exact(),
8211 * once invoked, enables either all or nothing, depending on the current
da0436e9
JS		 8212 * availability of PCI vector resources. The device driver is responsible
8213 * for calling the individual request_irq() to register each MSI-X vector
8214 * with a interrupt handler, which is done in this function. Note that
8215 * later when device is unloading, the driver should always call free_irq()
8216 * on all MSI-X vectors it has done request_irq() on before calling
8217 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
8218 * will be left with MSI-X enabled and leaks its vectors.
8219 *
8220 * Return codes
af901ca1 8221 * 0 - successful
da0436e9
JS		 8222 * other values - error
8223 **/
8224static int
8225lpfc_sli_enable_msix(struct lpfc_hba *phba)
8226{
8227 int rc, i;
8228 LPFC_MBOXQ_t *pmb;
8229
8230 /* Set up MSI-X multi-message vectors */
8231 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
8232 phba->msix_entries[i].entry = i;
8233
8234 /* Configure MSI-X capability structure */
4f871e1b
AG		 8235 rc = pci_enable_msix_exact(phba->pcidev, phba->msix_entries,
8236 LPFC_MSIX_VECTORS);
da0436e9
JS		 8237 if (rc) {
8238 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8239 "0420 PCI enable MSI-X failed (%d)\n", rc);
029165ac 8240 goto vec_fail_out;
da0436e9
JS		 8241 }
8242 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
8243 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8244 "0477 MSI-X entry[%d]: vector=x%x "
8245 "message=%d\n", i,
8246 phba->msix_entries[i].vector,
8247 phba->msix_entries[i].entry);
8248 /*
8249 * Assign MSI-X vectors to interrupt handlers
8250 */
8251
8252 /* vector-0 is associated to slow-path handler */
8253 rc = request_irq(phba->msix_entries[0].vector,
8254 &lpfc_sli_sp_intr_handler, IRQF_SHARED,
8255 LPFC_SP_DRIVER_HANDLER_NAME, phba);
8256 if (rc) {
8257 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8258 "0421 MSI-X slow-path request_irq failed "
8259 "(%d)\n", rc);
8260 goto msi_fail_out;
8261 }
8262
8263 /* vector-1 is associated to fast-path handler */
8264 rc = request_irq(phba->msix_entries[1].vector,
8265 &lpfc_sli_fp_intr_handler, IRQF_SHARED,
8266 LPFC_FP_DRIVER_HANDLER_NAME, phba);
8267
8268 if (rc) {
8269 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8270 "0429 MSI-X fast-path request_irq failed "
8271 "(%d)\n", rc);
8272 goto irq_fail_out;
8273 }
8274
8275 /*
8276 * Configure HBA MSI-X attention conditions to messages
8277 */
8278 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
8279
8280 if (!pmb) {
8281 rc = -ENOMEM;
8282 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8283 "0474 Unable to allocate memory for issuing "
8284 "MBOX_CONFIG_MSI command\n");
8285 goto mem_fail_out;
8286 }
8287 rc = lpfc_config_msi(phba, pmb);
8288 if (rc)
8289 goto mbx_fail_out;
8290 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
8291 if (rc != MBX_SUCCESS) {
8292 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
8293 "0351 Config MSI mailbox command failed, "
8294 "mbxCmd x%x, mbxStatus x%x\n",
8295 pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus);
8296 goto mbx_fail_out;
8297 }
8298
8299 /* Free memory allocated for mailbox command */
8300 mempool_free(pmb, phba->mbox_mem_pool);
8301 return rc;
8302
8303mbx_fail_out:
8304 /* Free memory allocated for mailbox command */
8305 mempool_free(pmb, phba->mbox_mem_pool);
8306
8307mem_fail_out:
8308 /* free the irq already requested */
8309 free_irq(phba->msix_entries[1].vector, phba);
8310
8311irq_fail_out:
8312 /* free the irq already requested */
8313 free_irq(phba->msix_entries[0].vector, phba);
8314
8315msi_fail_out:
8316 /* Unconfigure MSI-X capability structure */
8317 pci_disable_msix(phba->pcidev);
029165ac
AG		 8318
8319vec_fail_out:
da0436e9
JS		 8320 return rc;
8321}
8322
8323/**
8324 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
8325 * @phba: pointer to lpfc hba data structure.
8326 *
8327 * This routine is invoked to release the MSI-X vectors and then disable the
8328 * MSI-X interrupt mode to device with SLI-3 interface spec.
8329 **/
8330static void
8331lpfc_sli_disable_msix(struct lpfc_hba *phba)
8332{
8333 int i;
8334
8335 /* Free up MSI-X multi-message vectors */
8336 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
8337 free_irq(phba->msix_entries[i].vector, phba);
8338 /* Disable MSI-X */
8339 pci_disable_msix(phba->pcidev);
8340
8341 return;
8342}
8343
8344/**
8345 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
8346 * @phba: pointer to lpfc hba data structure.
8347 *
8348 * This routine is invoked to enable the MSI interrupt mode to device with
8349 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
8350 * enable the MSI vector. The device driver is responsible for calling the
8351 * request_irq() to register MSI vector with a interrupt the handler, which
8352 * is done in this function.
8353 *
8354 * Return codes
af901ca1 8355 * 0 - successful
da0436e9
JS		 8356 * other values - error
8357 */
8358static int
8359lpfc_sli_enable_msi(struct lpfc_hba *phba)
8360{
8361 int rc;
8362
8363 rc = pci_enable_msi(phba->pcidev);
8364 if (!rc)
8365 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8366 "0462 PCI enable MSI mode success.\n");
8367 else {
8368 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8369 "0471 PCI enable MSI mode failed (%d)\n", rc);
8370 return rc;
8371 }
8372
8373 rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
8374 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8375 if (rc) {
8376 pci_disable_msi(phba->pcidev);
8377 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8378 "0478 MSI request_irq failed (%d)\n", rc);
8379 }
8380 return rc;
8381}
8382
8383/**
8384 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
8385 * @phba: pointer to lpfc hba data structure.
8386 *
8387 * This routine is invoked to disable the MSI interrupt mode to device with
8388 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
8389 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8390 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8391 * its vector.
8392 */
8393static void
8394lpfc_sli_disable_msi(struct lpfc_hba *phba)
8395{
8396 free_irq(phba->pcidev->irq, phba);
8397 pci_disable_msi(phba->pcidev);
8398 return;
8399}
8400
8401/**
8402 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
8403 * @phba: pointer to lpfc hba data structure.
8404 *
8405 * This routine is invoked to enable device interrupt and associate driver's
8406 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
8407 * spec. Depends on the interrupt mode configured to the driver, the driver
8408 * will try to fallback from the configured interrupt mode to an interrupt
8409 * mode which is supported by the platform, kernel, and device in the order
8410 * of:
8411 * MSI-X -> MSI -> IRQ.
8412 *
8413 * Return codes
af901ca1 8414 * 0 - successful
da0436e9
JS		 8415 * other values - error
8416 **/
8417static uint32_t
8418lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
8419{
8420 uint32_t intr_mode = LPFC_INTR_ERROR;
8421 int retval;
8422
8423 if (cfg_mode == 2) {
8424 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
8425 retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3);
8426 if (!retval) {
8427 /* Now, try to enable MSI-X interrupt mode */
8428 retval = lpfc_sli_enable_msix(phba);
8429 if (!retval) {
8430 /* Indicate initialization to MSI-X mode */
8431 phba->intr_type = MSIX;
8432 intr_mode = 2;
8433 }
8434 }
8435 }
8436
8437 /* Fallback to MSI if MSI-X initialization failed */
8438 if (cfg_mode >= 1 && phba->intr_type == NONE) {
8439 retval = lpfc_sli_enable_msi(phba);
8440 if (!retval) {
8441 /* Indicate initialization to MSI mode */
8442 phba->intr_type = MSI;
8443 intr_mode = 1;
8444 }
8445 }
8446
8447 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8448 if (phba->intr_type == NONE) {
8449 retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
8450 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8451 if (!retval) {
8452 /* Indicate initialization to INTx mode */
8453 phba->intr_type = INTx;
8454 intr_mode = 0;
8455 }
8456 }
8457 return intr_mode;
8458}
8459
8460/**
8461 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
8462 * @phba: pointer to lpfc hba data structure.
8463 *
8464 * This routine is invoked to disable device interrupt and disassociate the
8465 * driver's interrupt handler(s) from interrupt vector(s) to device with
8466 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
8467 * release the interrupt vector(s) for the message signaled interrupt.
8468 **/
8469static void
8470lpfc_sli_disable_intr(struct lpfc_hba *phba)
8471{
8472 /* Disable the currently initialized interrupt mode */
8473 if (phba->intr_type == MSIX)
8474 lpfc_sli_disable_msix(phba);
8475 else if (phba->intr_type == MSI)
8476 lpfc_sli_disable_msi(phba);
8477 else if (phba->intr_type == INTx)
8478 free_irq(phba->pcidev->irq, phba);
8479
8480 /* Reset interrupt management states */
8481 phba->intr_type = NONE;
8482 phba->sli.slistat.sli_intr = 0;
8483
8484 return;
8485}
8486
7bb03bbf
JS		 8487/**
8488 * lpfc_find_next_cpu - Find next available CPU that matches the phys_id
8489 * @phba: pointer to lpfc hba data structure.
8490 *
8491 * Find next available CPU to use for IRQ to CPU affinity.
8492 */
8493static int
8494lpfc_find_next_cpu(struct lpfc_hba *phba, uint32_t phys_id)
8495{
8496 struct lpfc_vector_map_info *cpup;
8497 int cpu;
8498
8499 cpup = phba->sli4_hba.cpu_map;
8500 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
8501 /* CPU must be online */
8502 if (cpu_online(cpu)) {
8503 if ((cpup->irq == LPFC_VECTOR_MAP_EMPTY) &&
8504 (lpfc_used_cpu[cpu] == LPFC_VECTOR_MAP_EMPTY) &&
8505 (cpup->phys_id == phys_id)) {
8506 return cpu;
8507 }
8508 }
8509 cpup++;
8510 }
8511
8512 /*
8513 * If we get here, we have used ALL CPUs for the specific
8514 * phys_id. Now we need to clear out lpfc_used_cpu and start
8515 * reusing CPUs.
8516 */
8517
8518 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
8519 if (lpfc_used_cpu[cpu] == phys_id)
8520 lpfc_used_cpu[cpu] = LPFC_VECTOR_MAP_EMPTY;
8521 }
8522
8523 cpup = phba->sli4_hba.cpu_map;
8524 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
8525 /* CPU must be online */
8526 if (cpu_online(cpu)) {
8527 if ((cpup->irq == LPFC_VECTOR_MAP_EMPTY) &&
8528 (cpup->phys_id == phys_id)) {
8529 return cpu;
8530 }
8531 }
8532 cpup++;
8533 }
8534 return LPFC_VECTOR_MAP_EMPTY;
8535}
8536
8537/**
8538 * lpfc_sli4_set_affinity - Set affinity for HBA IRQ vectors
8539 * @phba: pointer to lpfc hba data structure.
8540 * @vectors: number of HBA vectors
8541 *
8542 * Affinitize MSIX IRQ vectors to CPUs. Try to equally spread vector
8543 * affinization across multple physical CPUs (numa nodes).
8544 * In addition, this routine will assign an IO channel for each CPU
8545 * to use when issuing I/Os.
8546 */
8547static int
8548lpfc_sli4_set_affinity(struct lpfc_hba *phba, int vectors)
8549{
8550 int i, idx, saved_chann, used_chann, cpu, phys_id;
ec2087a7
JS		 8551 int max_phys_id, min_phys_id;
8552 int num_io_channel, first_cpu, chan;
7bb03bbf
JS		 8553 struct lpfc_vector_map_info *cpup;
8554#ifdef CONFIG_X86
8555 struct cpuinfo_x86 *cpuinfo;
8556#endif
8557 struct cpumask *mask;
8558 uint8_t chann[LPFC_FCP_IO_CHAN_MAX+1];
8559
8560 /* If there is no mapping, just return */
8561 if (!phba->cfg_fcp_cpu_map)
8562 return 1;
8563
8564 /* Init cpu_map array */
8565 memset(phba->sli4_hba.cpu_map, 0xff,
8566 (sizeof(struct lpfc_vector_map_info) *
8567 phba->sli4_hba.num_present_cpu));
8568
8569 max_phys_id = 0;
ec2087a7 8570 min_phys_id = 0xff;
7bb03bbf
JS		 8571 phys_id = 0;
8572 num_io_channel = 0;
8573 first_cpu = LPFC_VECTOR_MAP_EMPTY;
8574
8575 /* Update CPU map with physical id and core id of each CPU */
8576 cpup = phba->sli4_hba.cpu_map;
8577 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
8578#ifdef CONFIG_X86
8579 cpuinfo = &cpu_data(cpu);
8580 cpup->phys_id = cpuinfo->phys_proc_id;
8581 cpup->core_id = cpuinfo->cpu_core_id;
8582#else
8583 /* No distinction between CPUs for other platforms */
8584 cpup->phys_id = 0;
8585 cpup->core_id = 0;
8586#endif
8587
8588 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8589 "3328 CPU physid %d coreid %d\n",
8590 cpup->phys_id, cpup->core_id);
8591
8592 if (cpup->phys_id > max_phys_id)
8593 max_phys_id = cpup->phys_id;
ec2087a7
JS		 8594 if (cpup->phys_id < min_phys_id)
8595 min_phys_id = cpup->phys_id;
7bb03bbf
JS		 8596 cpup++;
8597 }
8598
ec2087a7 8599 phys_id = min_phys_id;
7bb03bbf
JS		 8600 /* Now associate the HBA vectors with specific CPUs */
8601 for (idx = 0; idx < vectors; idx++) {
8602 cpup = phba->sli4_hba.cpu_map;
8603 cpu = lpfc_find_next_cpu(phba, phys_id);
8604 if (cpu == LPFC_VECTOR_MAP_EMPTY) {
8605
8606 /* Try for all phys_id's */
8607 for (i = 1; i < max_phys_id; i++) {
8608 phys_id++;
8609 if (phys_id > max_phys_id)
ec2087a7 8610 phys_id = min_phys_id;
7bb03bbf
JS		 8611 cpu = lpfc_find_next_cpu(phba, phys_id);
8612 if (cpu == LPFC_VECTOR_MAP_EMPTY)
8613 continue;
8614 goto found;
8615 }
8616
ec2087a7
JS		 8617 /* Use round robin for scheduling */
8618 phba->cfg_fcp_io_sched = LPFC_FCP_SCHED_ROUND_ROBIN;
8619 chan = 0;
8620 cpup = phba->sli4_hba.cpu_map;
8621 for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
8622 cpup->channel_id = chan;
8623 cpup++;
8624 chan++;
8625 if (chan >= phba->cfg_fcp_io_channel)
8626 chan = 0;
8627 }
8628
7bb03bbf
JS		 8629 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8630 "3329 Cannot set affinity:"
8631 "Error mapping vector %d (%d)\n",
8632 idx, vectors);
8633 return 0;
8634 }
8635found:
8636 cpup += cpu;
8637 if (phba->cfg_fcp_cpu_map == LPFC_DRIVER_CPU_MAP)
8638 lpfc_used_cpu[cpu] = phys_id;
8639
8640 /* Associate vector with selected CPU */
8641 cpup->irq = phba->sli4_hba.msix_entries[idx].vector;
8642
8643 /* Associate IO channel with selected CPU */
8644 cpup->channel_id = idx;
8645 num_io_channel++;
8646
8647 if (first_cpu == LPFC_VECTOR_MAP_EMPTY)
8648 first_cpu = cpu;
8649
8650 /* Now affinitize to the selected CPU */
8651 mask = &cpup->maskbits;
8652 cpumask_clear(mask);
8653 cpumask_set_cpu(cpu, mask);
8654 i = irq_set_affinity_hint(phba->sli4_hba.msix_entries[idx].
8655 vector, mask);
8656
8657 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8658 "3330 Set Affinity: CPU %d channel %d "
8659 "irq %d (%x)\n",
8660 cpu, cpup->channel_id,
8661 phba->sli4_hba.msix_entries[idx].vector, i);
8662
8663 /* Spread vector mapping across multple physical CPU nodes */
8664 phys_id++;
8665 if (phys_id > max_phys_id)
ec2087a7 8666 phys_id = min_phys_id;
7bb03bbf
JS		 8667 }
8668
8669 /*
8670 * Finally fill in the IO channel for any remaining CPUs.
8671 * At this point, all IO channels have been assigned to a specific
8672 * MSIx vector, mapped to a specific CPU.
8673 * Base the remaining IO channel assigned, to IO channels already
8674 * assigned to other CPUs on the same phys_id.
8675 */
ec2087a7 8676 for (i = min_phys_id; i <= max_phys_id; i++) {
7bb03bbf
JS		 8677 /*
8678 * If there are no io channels already mapped to
8679 * this phys_id, just round robin thru the io_channels.
8680 * Setup chann[] for round robin.
8681 */
8682 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++)
8683 chann[idx] = idx;
8684
8685 saved_chann = 0;
8686 used_chann = 0;
8687
8688 /*
8689 * First build a list of IO channels already assigned
8690 * to this phys_id before reassigning the same IO
8691 * channels to the remaining CPUs.
8692 */
8693 cpup = phba->sli4_hba.cpu_map;
8694 cpu = first_cpu;
8695 cpup += cpu;
8696 for (idx = 0; idx < phba->sli4_hba.num_present_cpu;
8697 idx++) {
8698 if (cpup->phys_id == i) {
8699 /*
8700 * Save any IO channels that are
8701 * already mapped to this phys_id.
8702 */
8703 if (cpup->irq != LPFC_VECTOR_MAP_EMPTY) {
8704 chann[saved_chann] =
8705 cpup->channel_id;
8706 saved_chann++;
8707 goto out;
8708 }
8709
8710 /* See if we are using round-robin */
8711 if (saved_chann == 0)
8712 saved_chann =
8713 phba->cfg_fcp_io_channel;
8714
8715 /* Associate next IO channel with CPU */
8716 cpup->channel_id = chann[used_chann];
8717 num_io_channel++;
8718 used_chann++;
8719 if (used_chann == saved_chann)
8720 used_chann = 0;
8721
8722 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8723 "3331 Set IO_CHANN "
8724 "CPU %d channel %d\n",
8725 idx, cpup->channel_id);
8726 }
8727out:
8728 cpu++;
8729 if (cpu >= phba->sli4_hba.num_present_cpu) {
8730 cpup = phba->sli4_hba.cpu_map;
8731 cpu = 0;
8732 } else {
8733 cpup++;
8734 }
8735 }
8736 }
8737
8738 if (phba->sli4_hba.num_online_cpu != phba->sli4_hba.num_present_cpu) {
8739 cpup = phba->sli4_hba.cpu_map;
8740 for (idx = 0; idx < phba->sli4_hba.num_present_cpu; idx++) {
8741 if (cpup->channel_id == LPFC_VECTOR_MAP_EMPTY) {
8742 cpup->channel_id = 0;
8743 num_io_channel++;
8744
8745 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8746 "3332 Assign IO_CHANN "
8747 "CPU %d channel %d\n",
8748 idx, cpup->channel_id);
8749 }
8750 cpup++;
8751 }
8752 }
8753
8754 /* Sanity check */
8755 if (num_io_channel != phba->sli4_hba.num_present_cpu)
8756 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8757 "3333 Set affinity mismatch:"
ec2087a7 8758 "%d chann != %d cpus: %d vectors\n",
7bb03bbf
JS		 8759 num_io_channel, phba->sli4_hba.num_present_cpu,
8760 vectors);
8761
ec2087a7 8762 /* Enable using cpu affinity for scheduling */
7bb03bbf
JS		 8763 phba->cfg_fcp_io_sched = LPFC_FCP_SCHED_BY_CPU;
8764 return 1;
8765}
8766
8767
da0436e9
JS		 8768/**
8769 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
8770 * @phba: pointer to lpfc hba data structure.
8771 *
8772 * This routine is invoked to enable the MSI-X interrupt vectors to device
4f871e1b
AG		 8773 * with SLI-4 interface spec. The kernel function pci_enable_msix_range()
8774 * is called to enable the MSI-X vectors. The device driver is responsible
8775 * for calling the individual request_irq() to register each MSI-X vector
8776 * with a interrupt handler, which is done in this function. Note that
8777 * later when device is unloading, the driver should always call free_irq()
8778 * on all MSI-X vectors it has done request_irq() on before calling
8779 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
8780 * will be left with MSI-X enabled and leaks its vectors.
da0436e9
JS		 8781 *
8782 * Return codes
af901ca1 8783 * 0 - successful
da0436e9
JS		 8784 * other values - error
8785 **/
8786static int
8787lpfc_sli4_enable_msix(struct lpfc_hba *phba)
8788{
75baf696 8789 int vectors, rc, index;
da0436e9
JS		 8790
8791 /* Set up MSI-X multi-message vectors */
82c3e9ba 8792 for (index = 0; index < phba->cfg_fcp_io_channel; index++)
da0436e9
JS		 8793 phba->sli4_hba.msix_entries[index].entry = index;
8794
8795 /* Configure MSI-X capability structure */
82c3e9ba 8796 vectors = phba->cfg_fcp_io_channel;
1ba981fd
JS		 8797 if (phba->cfg_fof) {
8798 phba->sli4_hba.msix_entries[index].entry = index;
8799 vectors++;
8800 }
4f871e1b
AG		 8801 rc = pci_enable_msix_range(phba->pcidev, phba->sli4_hba.msix_entries,
8802 2, vectors);
8803 if (rc < 0) {
da0436e9
JS		 8804 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8805 "0484 PCI enable MSI-X failed (%d)\n", rc);
029165ac 8806 goto vec_fail_out;
da0436e9 8807 }
4f871e1b 8808 vectors = rc;
75baf696 8809
da0436e9 8810 /* Log MSI-X vector assignment */
75baf696 8811 for (index = 0; index < vectors; index++)
da0436e9
JS		 8812 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8813 "0489 MSI-X entry[%d]: vector=x%x "
8814 "message=%d\n", index,
8815 phba->sli4_hba.msix_entries[index].vector,
8816 phba->sli4_hba.msix_entries[index].entry);
67d12733 8817
7bb03bbf 8818 /* Assign MSI-X vectors to interrupt handlers */
67d12733 8819 for (index = 0; index < vectors; index++) {
4305f183 8820 memset(&phba->sli4_hba.handler_name[index], 0, 16);
a2fc4aef
JS		 8821 snprintf((char *)&phba->sli4_hba.handler_name[index],
8822 LPFC_SLI4_HANDLER_NAME_SZ,
4305f183 8823 LPFC_DRIVER_HANDLER_NAME"%d", index);
da0436e9 8824
67d12733
JS		 8825 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8826 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
ba20c853 8827 atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].fcp_eq_in_use, 1);
1ba981fd
JS		 8828 if (phba->cfg_fof && (index == (vectors - 1)))
8829 rc = request_irq(
8830 phba->sli4_hba.msix_entries[index].vector,
8831 &lpfc_sli4_fof_intr_handler, IRQF_SHARED,
8832 (char *)&phba->sli4_hba.handler_name[index],
8833 &phba->sli4_hba.fcp_eq_hdl[index]);
8834 else
8835 rc = request_irq(
8836 phba->sli4_hba.msix_entries[index].vector,
67d12733 8837 &lpfc_sli4_hba_intr_handler, IRQF_SHARED,
4305f183 8838 (char *)&phba->sli4_hba.handler_name[index],
67d12733 8839 &phba->sli4_hba.fcp_eq_hdl[index]);
da0436e9
JS		 8840 if (rc) {
8841 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8842 "0486 MSI-X fast-path (%d) "
8843 "request_irq failed (%d)\n", index, rc);
8844 goto cfg_fail_out;
8845 }
8846 }
8847
1ba981fd
JS		 8848 if (phba->cfg_fof)
8849 vectors--;
8850
82c3e9ba
JS		 8851 if (vectors != phba->cfg_fcp_io_channel) {
8852 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8853 "3238 Reducing IO channels to match number of "
8854 "MSI-X vectors, requested %d got %d\n",
8855 phba->cfg_fcp_io_channel, vectors);
8856 phba->cfg_fcp_io_channel = vectors;
8857 }
7bb03bbf
JS		 8858
8859 lpfc_sli4_set_affinity(phba, vectors);
da0436e9
JS		 8860 return rc;
8861
8862cfg_fail_out:
8863 /* free the irq already requested */
acbd8616
JS		 8864 for (--index; index >= 0; index--) {
8865 irq_set_affinity_hint(phba->sli4_hba.msix_entries[index].
8866 vector, NULL);
67d12733
JS		 8867 free_irq(phba->sli4_hba.msix_entries[index].vector,
8868 &phba->sli4_hba.fcp_eq_hdl[index]);
acbd8616 8869 }
da0436e9 8870
da0436e9
JS		 8871 /* Unconfigure MSI-X capability structure */
8872 pci_disable_msix(phba->pcidev);
029165ac
AG		 8873
8874vec_fail_out:
da0436e9
JS		 8875 return rc;
8876}
8877
8878/**
8879 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
8880 * @phba: pointer to lpfc hba data structure.
8881 *
8882 * This routine is invoked to release the MSI-X vectors and then disable the
8883 * MSI-X interrupt mode to device with SLI-4 interface spec.
8884 **/
8885static void
8886lpfc_sli4_disable_msix(struct lpfc_hba *phba)
8887{
8888 int index;
8889
8890 /* Free up MSI-X multi-message vectors */
acbd8616
JS		 8891 for (index = 0; index < phba->cfg_fcp_io_channel; index++) {
8892 irq_set_affinity_hint(phba->sli4_hba.msix_entries[index].
8893 vector, NULL);
da0436e9 8894 free_irq(phba->sli4_hba.msix_entries[index].vector,
67d12733 8895 &phba->sli4_hba.fcp_eq_hdl[index]);
acbd8616 8896 }
1ba981fd
JS		 8897 if (phba->cfg_fof) {
8898 free_irq(phba->sli4_hba.msix_entries[index].vector,
8899 &phba->sli4_hba.fcp_eq_hdl[index]);
8900 }
da0436e9
JS		 8901 /* Disable MSI-X */
8902 pci_disable_msix(phba->pcidev);
8903
8904 return;
8905}
8906
8907/**
8908 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
8909 * @phba: pointer to lpfc hba data structure.
8910 *
8911 * This routine is invoked to enable the MSI interrupt mode to device with
8912 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
8913 * to enable the MSI vector. The device driver is responsible for calling
8914 * the request_irq() to register MSI vector with a interrupt the handler,
8915 * which is done in this function.
8916 *
8917 * Return codes
af901ca1 8918 * 0 - successful
da0436e9
JS		 8919 * other values - error
8920 **/
8921static int
8922lpfc_sli4_enable_msi(struct lpfc_hba *phba)
8923{
8924 int rc, index;
8925
8926 rc = pci_enable_msi(phba->pcidev);
8927 if (!rc)
8928 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8929 "0487 PCI enable MSI mode success.\n");
8930 else {
8931 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8932 "0488 PCI enable MSI mode failed (%d)\n", rc);
8933 return rc;
8934 }
8935
8936 rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
8937 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8938 if (rc) {
8939 pci_disable_msi(phba->pcidev);
8940 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8941 "0490 MSI request_irq failed (%d)\n", rc);
75baf696 8942 return rc;
da0436e9
JS		 8943 }
8944
67d12733 8945 for (index = 0; index < phba->cfg_fcp_io_channel; index++) {
da0436e9
JS		 8946 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8947 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
8948 }
8949
1ba981fd
JS		 8950 if (phba->cfg_fof) {
8951 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8952 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
8953 }
75baf696 8954 return 0;
da0436e9
JS		 8955}
8956
8957/**
8958 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
8959 * @phba: pointer to lpfc hba data structure.
8960 *
8961 * This routine is invoked to disable the MSI interrupt mode to device with
8962 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
8963 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8964 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8965 * its vector.
8966 **/
8967static void
8968lpfc_sli4_disable_msi(struct lpfc_hba *phba)
8969{
8970 free_irq(phba->pcidev->irq, phba);
8971 pci_disable_msi(phba->pcidev);
8972 return;
8973}
8974
8975/**
8976 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
8977 * @phba: pointer to lpfc hba data structure.
8978 *
8979 * This routine is invoked to enable device interrupt and associate driver's
8980 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
8981 * interface spec. Depends on the interrupt mode configured to the driver,
8982 * the driver will try to fallback from the configured interrupt mode to an
8983 * interrupt mode which is supported by the platform, kernel, and device in
8984 * the order of:
8985 * MSI-X -> MSI -> IRQ.
8986 *
8987 * Return codes
af901ca1 8988 * 0 - successful
da0436e9
JS		 8989 * other values - error
8990 **/
8991static uint32_t
8992lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
8993{
8994 uint32_t intr_mode = LPFC_INTR_ERROR;
8995 int retval, index;
8996
8997 if (cfg_mode == 2) {
8998 /* Preparation before conf_msi mbox cmd */
8999 retval = 0;
9000 if (!retval) {
9001 /* Now, try to enable MSI-X interrupt mode */
9002 retval = lpfc_sli4_enable_msix(phba);
9003 if (!retval) {
9004 /* Indicate initialization to MSI-X mode */
9005 phba->intr_type = MSIX;
9006 intr_mode = 2;
9007 }
9008 }
9009 }
9010
9011 /* Fallback to MSI if MSI-X initialization failed */
9012 if (cfg_mode >= 1 && phba->intr_type == NONE) {
9013 retval = lpfc_sli4_enable_msi(phba);
9014 if (!retval) {
9015 /* Indicate initialization to MSI mode */
9016 phba->intr_type = MSI;
9017 intr_mode = 1;
9018 }
9019 }
9020
9021 /* Fallback to INTx if both MSI-X/MSI initalization failed */
9022 if (phba->intr_type == NONE) {
9023 retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
9024 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
9025 if (!retval) {
9026 /* Indicate initialization to INTx mode */
9027 phba->intr_type = INTx;
9028 intr_mode = 0;
67d12733 9029 for (index = 0; index < phba->cfg_fcp_io_channel;
da0436e9
JS		 9030 index++) {
9031 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
9032 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
ba20c853
JS		 9033 atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].
9034 fcp_eq_in_use, 1);
da0436e9 9035 }
1ba981fd
JS		 9036 if (phba->cfg_fof) {
9037 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
9038 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
9039 atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].
9040 fcp_eq_in_use, 1);
9041 }
da0436e9
JS		 9042 }
9043 }
9044 return intr_mode;
9045}
9046
9047/**
9048 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
9049 * @phba: pointer to lpfc hba data structure.
9050 *
9051 * This routine is invoked to disable device interrupt and disassociate
9052 * the driver's interrupt handler(s) from interrupt vector(s) to device
9053 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
9054 * will release the interrupt vector(s) for the message signaled interrupt.
9055 **/
9056static void
9057lpfc_sli4_disable_intr(struct lpfc_hba *phba)
9058{
9059 /* Disable the currently initialized interrupt mode */
9060 if (phba->intr_type == MSIX)
9061 lpfc_sli4_disable_msix(phba);
9062 else if (phba->intr_type == MSI)
9063 lpfc_sli4_disable_msi(phba);
9064 else if (phba->intr_type == INTx)
9065 free_irq(phba->pcidev->irq, phba);
9066
9067 /* Reset interrupt management states */
9068 phba->intr_type = NONE;
9069 phba->sli.slistat.sli_intr = 0;
9070
9071 return;
9072}
9073
9074/**
9075 * lpfc_unset_hba - Unset SLI3 hba device initialization
9076 * @phba: pointer to lpfc hba data structure.
9077 *
9078 * This routine is invoked to unset the HBA device initialization steps to
9079 * a device with SLI-3 interface spec.
9080 **/
9081static void
9082lpfc_unset_hba(struct lpfc_hba *phba)
9083{
9084 struct lpfc_vport *vport = phba->pport;
9085 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
9086
9087 spin_lock_irq(shost->host_lock);
9088 vport->load_flag |= FC_UNLOADING;
9089 spin_unlock_irq(shost->host_lock);
9090
72859909
JS		 9091 kfree(phba->vpi_bmask);
9092 kfree(phba->vpi_ids);
9093
da0436e9
JS		 9094 lpfc_stop_hba_timers(phba);
9095
9096 phba->pport->work_port_events = 0;
9097
9098 lpfc_sli_hba_down(phba);
9099
9100 lpfc_sli_brdrestart(phba);
9101
9102 lpfc_sli_disable_intr(phba);
9103
9104 return;
9105}
9106
5af5eee7
JS		 9107/**
9108 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
9109 * @phba: Pointer to HBA context object.
9110 *
9111 * This function is called in the SLI4 code path to wait for completion
9112 * of device's XRIs exchange busy. It will check the XRI exchange busy
9113 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
9114 * that, it will check the XRI exchange busy on outstanding FCP and ELS
9115 * I/Os every 30 seconds, log error message, and wait forever. Only when
9116 * all XRI exchange busy complete, the driver unload shall proceed with
9117 * invoking the function reset ioctl mailbox command to the CNA and the
9118 * the rest of the driver unload resource release.
9119 **/
9120static void
9121lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba)
9122{
9123 int wait_time = 0;
9124 int fcp_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
9125 int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
9126
9127 while (!fcp_xri_cmpl || !els_xri_cmpl) {
9128 if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) {
9129 if (!fcp_xri_cmpl)
9130 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9131 "2877 FCP XRI exchange busy "
9132 "wait time: %d seconds.\n",
9133 wait_time/1000);
9134 if (!els_xri_cmpl)
9135 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9136 "2878 ELS XRI exchange busy "
9137 "wait time: %d seconds.\n",
9138 wait_time/1000);
9139 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2);
9140 wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2;
9141 } else {
9142 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1);
9143 wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1;
9144 }
9145 fcp_xri_cmpl =
9146 list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
9147 els_xri_cmpl =
9148 list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
9149 }
9150}
9151
da0436e9
JS		 9152/**
9153 * lpfc_sli4_hba_unset - Unset the fcoe hba
9154 * @phba: Pointer to HBA context object.
9155 *
9156 * This function is called in the SLI4 code path to reset the HBA's FCoE
9157 * function. The caller is not required to hold any lock. This routine
9158 * issues PCI function reset mailbox command to reset the FCoE function.
9159 * At the end of the function, it calls lpfc_hba_down_post function to
9160 * free any pending commands.
9161 **/
9162static void
9163lpfc_sli4_hba_unset(struct lpfc_hba *phba)
9164{
9165 int wait_cnt = 0;
9166 LPFC_MBOXQ_t *mboxq;
912e3acd 9167 struct pci_dev *pdev = phba->pcidev;
da0436e9
JS		 9168
9169 lpfc_stop_hba_timers(phba);
9170 phba->sli4_hba.intr_enable = 0;
9171
9172 /*
9173 * Gracefully wait out the potential current outstanding asynchronous
9174 * mailbox command.
9175 */
9176
9177 /* First, block any pending async mailbox command from posted */
9178 spin_lock_irq(&phba->hbalock);
9179 phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK;
9180 spin_unlock_irq(&phba->hbalock);
9181 /* Now, trying to wait it out if we can */
9182 while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
9183 msleep(10);
9184 if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT)
9185 break;
9186 }
9187 /* Forcefully release the outstanding mailbox command if timed out */
9188 if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
9189 spin_lock_irq(&phba->hbalock);
9190 mboxq = phba->sli.mbox_active;
9191 mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED;
9192 __lpfc_mbox_cmpl_put(phba, mboxq);
9193 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
9194 phba->sli.mbox_active = NULL;
9195 spin_unlock_irq(&phba->hbalock);
9196 }
9197
5af5eee7
JS		 9198 /* Abort all iocbs associated with the hba */
9199 lpfc_sli_hba_iocb_abort(phba);
9200
9201 /* Wait for completion of device XRI exchange busy */
9202 lpfc_sli4_xri_exchange_busy_wait(phba);
9203
da0436e9
JS		 9204 /* Disable PCI subsystem interrupt */
9205 lpfc_sli4_disable_intr(phba);
9206
912e3acd
JS		 9207 /* Disable SR-IOV if enabled */
9208 if (phba->cfg_sriov_nr_virtfn)
9209 pci_disable_sriov(pdev);
9210
da0436e9
JS		 9211 /* Stop kthread signal shall trigger work_done one more time */
9212 kthread_stop(phba->worker_thread);
9213
3677a3a7
JS		 9214 /* Reset SLI4 HBA FCoE function */
9215 lpfc_pci_function_reset(phba);
5350d872 9216 lpfc_sli4_queue_destroy(phba);
3677a3a7 9217
da0436e9
JS		 9218 /* Stop the SLI4 device port */
9219 phba->pport->work_port_events = 0;
9220}
9221
28baac74
JS		 9222 /**
9223 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
9224 * @phba: Pointer to HBA context object.
9225 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
9226 *
9227 * This function is called in the SLI4 code path to read the port's
9228 * sli4 capabilities.
9229 *
9230 * This function may be be called from any context that can block-wait
9231 * for the completion. The expectation is that this routine is called
9232 * typically from probe_one or from the online routine.
9233 **/
9234int
9235lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
9236{
9237 int rc;
9238 struct lpfc_mqe *mqe;
9239 struct lpfc_pc_sli4_params *sli4_params;
9240 uint32_t mbox_tmo;
9241
9242 rc = 0;
9243 mqe = &mboxq->u.mqe;
9244
9245 /* Read the port's SLI4 Parameters port capabilities */
fedd3b7b 9246 lpfc_pc_sli4_params(mboxq);
28baac74
JS		 9247 if (!phba->sli4_hba.intr_enable)
9248 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
9249 else {
a183a15f 9250 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
28baac74
JS		 9251 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
9252 }
9253
9254 if (unlikely(rc))
9255 return 1;
9256
9257 sli4_params = &phba->sli4_hba.pc_sli4_params;
9258 sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params);
9259 sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params);
9260 sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params);
9261 sli4_params->featurelevel_1 = bf_get(featurelevel_1,
9262 &mqe->un.sli4_params);
9263 sli4_params->featurelevel_2 = bf_get(featurelevel_2,
9264 &mqe->un.sli4_params);
9265 sli4_params->proto_types = mqe->un.sli4_params.word3;
9266 sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len;
9267 sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params);
9268 sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params);
9269 sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params);
9270 sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params);
9271 sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params);
9272 sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params);
9273 sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params);
9274 sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params);
9275 sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params);
9276 sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params);
9277 sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params);
9278 sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params);
9279 sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params);
9280 sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params);
9281 sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params);
9282 sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params);
9283 sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params);
9284 sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params);
9285 sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params);
0558056c
JS		 9286
9287 /* Make sure that sge_supp_len can be handled by the driver */
9288 if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
9289 sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
9290
28baac74
JS		 9291 return rc;
9292}
9293
fedd3b7b
JS		 9294/**
9295 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
9296 * @phba: Pointer to HBA context object.
9297 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
9298 *
9299 * This function is called in the SLI4 code path to read the port's
9300 * sli4 capabilities.
9301 *
9302 * This function may be be called from any context that can block-wait
9303 * for the completion. The expectation is that this routine is called
9304 * typically from probe_one or from the online routine.
9305 **/
9306int
9307lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
9308{
9309 int rc;
9310 struct lpfc_mqe *mqe = &mboxq->u.mqe;
9311 struct lpfc_pc_sli4_params *sli4_params;
a183a15f 9312 uint32_t mbox_tmo;
fedd3b7b
JS		 9313 int length;
9314 struct lpfc_sli4_parameters *mbx_sli4_parameters;
9315
6d368e53
JS		 9316 /*
9317 * By default, the driver assumes the SLI4 port requires RPI
9318 * header postings. The SLI4_PARAM response will correct this
9319 * assumption.
9320 */
9321 phba->sli4_hba.rpi_hdrs_in_use = 1;
9322
fedd3b7b
JS		 9323 /* Read the port's SLI4 Config Parameters */
9324 length = (sizeof(struct lpfc_mbx_get_sli4_parameters) -
9325 sizeof(struct lpfc_sli4_cfg_mhdr));
9326 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
9327 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS,
9328 length, LPFC_SLI4_MBX_EMBED);
9329 if (!phba->sli4_hba.intr_enable)
9330 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
a183a15f
JS		 9331 else {
9332 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
9333 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
9334 }
fedd3b7b
JS		 9335 if (unlikely(rc))
9336 return rc;
9337 sli4_params = &phba->sli4_hba.pc_sli4_params;
9338 mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters;
9339 sli4_params->if_type = bf_get(cfg_if_type, mbx_sli4_parameters);
9340 sli4_params->sli_rev = bf_get(cfg_sli_rev, mbx_sli4_parameters);
9341 sli4_params->sli_family = bf_get(cfg_sli_family, mbx_sli4_parameters);
9342 sli4_params->featurelevel_1 = bf_get(cfg_sli_hint_1,
9343 mbx_sli4_parameters);
9344 sli4_params->featurelevel_2 = bf_get(cfg_sli_hint_2,
9345 mbx_sli4_parameters);
9346 if (bf_get(cfg_phwq, mbx_sli4_parameters))
9347 phba->sli3_options |= LPFC_SLI4_PHWQ_ENABLED;
9348 else
9349 phba->sli3_options &= ~LPFC_SLI4_PHWQ_ENABLED;
9350 sli4_params->sge_supp_len = mbx_sli4_parameters->sge_supp_len;
9351 sli4_params->loopbk_scope = bf_get(loopbk_scope, mbx_sli4_parameters);
1ba981fd 9352 sli4_params->oas_supported = bf_get(cfg_oas, mbx_sli4_parameters);
fedd3b7b
JS		 9353 sli4_params->cqv = bf_get(cfg_cqv, mbx_sli4_parameters);
9354 sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters);
9355 sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters);
9356 sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters);
0c651878 9357 sli4_params->wqsize = bf_get(cfg_wqsize, mbx_sli4_parameters);
fedd3b7b
JS		 9358 sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt,
9359 mbx_sli4_parameters);
9360 sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align,
9361 mbx_sli4_parameters);
6d368e53
JS		 9362 phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters);
9363 phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters);
0558056c
JS		 9364
9365 /* Make sure that sge_supp_len can be handled by the driver */
9366 if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
9367 sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
9368
fedd3b7b
JS		 9369 return 0;
9370}
9371
da0436e9
JS		 9372/**
9373 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
9374 * @pdev: pointer to PCI device
9375 * @pid: pointer to PCI device identifier
9376 *
9377 * This routine is to be called to attach a device with SLI-3 interface spec
9378 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
9379 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
9380 * information of the device and driver to see if the driver state that it can
9381 * support this kind of device. If the match is successful, the driver core
9382 * invokes this routine. If this routine determines it can claim the HBA, it
9383 * does all the initialization that it needs to do to handle the HBA properly.
9384 *
9385 * Return code
9386 * 0 - driver can claim the device
9387 * negative value - driver can not claim the device
9388 **/
6f039790 9389static int
da0436e9
JS		 9390lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid)
9391{
9392 struct lpfc_hba *phba;
9393 struct lpfc_vport *vport = NULL;
6669f9bb 9394 struct Scsi_Host *shost = NULL;
da0436e9
JS		 9395 int error;
9396 uint32_t cfg_mode, intr_mode;
9397
9398 /* Allocate memory for HBA structure */
9399 phba = lpfc_hba_alloc(pdev);
9400 if (!phba)
9401 return -ENOMEM;
9402
9403 /* Perform generic PCI device enabling operation */
9404 error = lpfc_enable_pci_dev(phba);
079b5c91 9405 if (error)
da0436e9 9406 goto out_free_phba;
da0436e9
JS		 9407
9408 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
9409 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP);
9410 if (error)
9411 goto out_disable_pci_dev;
9412
9413 /* Set up SLI-3 specific device PCI memory space */
9414 error = lpfc_sli_pci_mem_setup(phba);
9415 if (error) {
9416 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9417 "1402 Failed to set up pci memory space.\n");
9418 goto out_disable_pci_dev;
9419 }
9420
9421 /* Set up phase-1 common device driver resources */
9422 error = lpfc_setup_driver_resource_phase1(phba);
9423 if (error) {
9424 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9425 "1403 Failed to set up driver resource.\n");
9426 goto out_unset_pci_mem_s3;
9427 }
9428
9429 /* Set up SLI-3 specific device driver resources */
9430 error = lpfc_sli_driver_resource_setup(phba);
9431 if (error) {
9432 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9433 "1404 Failed to set up driver resource.\n");
9434 goto out_unset_pci_mem_s3;
9435 }
9436
9437 /* Initialize and populate the iocb list per host */
9438 error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT);
9439 if (error) {
9440 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9441 "1405 Failed to initialize iocb list.\n");
9442 goto out_unset_driver_resource_s3;
9443 }
9444
9445 /* Set up common device driver resources */
9446 error = lpfc_setup_driver_resource_phase2(phba);
9447 if (error) {
9448 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9449 "1406 Failed to set up driver resource.\n");
9450 goto out_free_iocb_list;
9451 }
9452
079b5c91
JS		 9453 /* Get the default values for Model Name and Description */
9454 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
9455
da0436e9
JS		 9456 /* Create SCSI host to the physical port */
9457 error = lpfc_create_shost(phba);
9458 if (error) {
9459 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9460 "1407 Failed to create scsi host.\n");
9461 goto out_unset_driver_resource;
9462 }
9463
9464 /* Configure sysfs attributes */
9465 vport = phba->pport;
9466 error = lpfc_alloc_sysfs_attr(vport);
9467 if (error) {
9468 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9469 "1476 Failed to allocate sysfs attr\n");
9470 goto out_destroy_shost;
9471 }
9472
6669f9bb 9473 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
da0436e9
JS		 9474 /* Now, trying to enable interrupt and bring up the device */
9475 cfg_mode = phba->cfg_use_msi;
9476 while (true) {
9477 /* Put device to a known state before enabling interrupt */
9478 lpfc_stop_port(phba);
9479 /* Configure and enable interrupt */
9480 intr_mode = lpfc_sli_enable_intr(phba, cfg_mode);
9481 if (intr_mode == LPFC_INTR_ERROR) {
9482 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9483 "0431 Failed to enable interrupt.\n");
9484 error = -ENODEV;
9485 goto out_free_sysfs_attr;
9486 }
9487 /* SLI-3 HBA setup */
9488 if (lpfc_sli_hba_setup(phba)) {
9489 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9490 "1477 Failed to set up hba\n");
9491 error = -ENODEV;
9492 goto out_remove_device;
9493 }
9494
9495 /* Wait 50ms for the interrupts of previous mailbox commands */
9496 msleep(50);
9497 /* Check active interrupts on message signaled interrupts */
9498 if (intr_mode == 0 ||
9499 phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) {
9500 /* Log the current active interrupt mode */
9501 phba->intr_mode = intr_mode;
9502 lpfc_log_intr_mode(phba, intr_mode);
9503 break;
9504 } else {
9505 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9506 "0447 Configure interrupt mode (%d) "
9507 "failed active interrupt test.\n",
9508 intr_mode);
9509 /* Disable the current interrupt mode */
9510 lpfc_sli_disable_intr(phba);
9511 /* Try next level of interrupt mode */
9512 cfg_mode = --intr_mode;
9513 }
9514 }
9515
9516 /* Perform post initialization setup */
9517 lpfc_post_init_setup(phba);
9518
9519 /* Check if there are static vports to be created. */
9520 lpfc_create_static_vport(phba);
9521
9522 return 0;
9523
9524out_remove_device:
9525 lpfc_unset_hba(phba);
9526out_free_sysfs_attr:
9527 lpfc_free_sysfs_attr(vport);
9528out_destroy_shost:
9529 lpfc_destroy_shost(phba);
9530out_unset_driver_resource:
9531 lpfc_unset_driver_resource_phase2(phba);
9532out_free_iocb_list:
9533 lpfc_free_iocb_list(phba);
9534out_unset_driver_resource_s3:
9535 lpfc_sli_driver_resource_unset(phba);
9536out_unset_pci_mem_s3:
9537 lpfc_sli_pci_mem_unset(phba);
9538out_disable_pci_dev:
9539 lpfc_disable_pci_dev(phba);
6669f9bb
JS		 9540 if (shost)
9541 scsi_host_put(shost);
da0436e9
JS		 9542out_free_phba:
9543 lpfc_hba_free(phba);
9544 return error;
9545}
9546
9547/**
9548 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
9549 * @pdev: pointer to PCI device
9550 *
9551 * This routine is to be called to disattach a device with SLI-3 interface
9552 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
9553 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9554 * device to be removed from the PCI subsystem properly.
9555 **/
6f039790 9556static void
da0436e9
JS		 9557lpfc_pci_remove_one_s3(struct pci_dev *pdev)
9558{
9559 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9560 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
9561 struct lpfc_vport **vports;
9562 struct lpfc_hba *phba = vport->phba;
9563 int i;
9564 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
9565
9566 spin_lock_irq(&phba->hbalock);
9567 vport->load_flag |= FC_UNLOADING;
9568 spin_unlock_irq(&phba->hbalock);
9569
9570 lpfc_free_sysfs_attr(vport);
9571
9572 /* Release all the vports against this physical port */
9573 vports = lpfc_create_vport_work_array(phba);
9574 if (vports != NULL)
587a37f6
JS		 9575 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
9576 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
9577 continue;
da0436e9 9578 fc_vport_terminate(vports[i]->fc_vport);
587a37f6 9579 }
da0436e9
JS		 9580 lpfc_destroy_vport_work_array(phba, vports);
9581
9582 /* Remove FC host and then SCSI host with the physical port */
9583 fc_remove_host(shost);
9584 scsi_remove_host(shost);
9585 lpfc_cleanup(vport);
9586
9587 /*
9588 * Bring down the SLI Layer. This step disable all interrupts,
9589 * clears the rings, discards all mailbox commands, and resets
9590 * the HBA.
9591 */
9592
48e34d0f 9593 /* HBA interrupt will be disabled after this call */
da0436e9
JS		 9594 lpfc_sli_hba_down(phba);
9595 /* Stop kthread signal shall trigger work_done one more time */
9596 kthread_stop(phba->worker_thread);
9597 /* Final cleanup of txcmplq and reset the HBA */
9598 lpfc_sli_brdrestart(phba);
9599
72859909
JS		 9600 kfree(phba->vpi_bmask);
9601 kfree(phba->vpi_ids);
9602
da0436e9
JS		 9603 lpfc_stop_hba_timers(phba);
9604 spin_lock_irq(&phba->hbalock);
9605 list_del_init(&vport->listentry);
9606 spin_unlock_irq(&phba->hbalock);
9607
9608 lpfc_debugfs_terminate(vport);
9609
912e3acd
JS		 9610 /* Disable SR-IOV if enabled */
9611 if (phba->cfg_sriov_nr_virtfn)
9612 pci_disable_sriov(pdev);
9613
da0436e9
JS		 9614 /* Disable interrupt */
9615 lpfc_sli_disable_intr(phba);
9616
da0436e9
JS		 9617 scsi_host_put(shost);
9618
9619 /*
9620 * Call scsi_free before mem_free since scsi bufs are released to their
9621 * corresponding pools here.
9622 */
9623 lpfc_scsi_free(phba);
9624 lpfc_mem_free_all(phba);
9625
9626 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
9627 phba->hbqslimp.virt, phba->hbqslimp.phys);
9628
9629 /* Free resources associated with SLI2 interface */
9630 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
9631 phba->slim2p.virt, phba->slim2p.phys);
9632
9633 /* unmap adapter SLIM and Control Registers */
9634 iounmap(phba->ctrl_regs_memmap_p);
9635 iounmap(phba->slim_memmap_p);
9636
9637 lpfc_hba_free(phba);
9638
9639 pci_release_selected_regions(pdev, bars);
9640 pci_disable_device(pdev);
9641}
9642
9643/**
9644 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
9645 * @pdev: pointer to PCI device
9646 * @msg: power management message
9647 *
9648 * This routine is to be called from the kernel's PCI subsystem to support
9649 * system Power Management (PM) to device with SLI-3 interface spec. When
9650 * PM invokes this method, it quiesces the device by stopping the driver's
9651 * worker thread for the device, turning off device's interrupt and DMA,
9652 * and bring the device offline. Note that as the driver implements the
9653 * minimum PM requirements to a power-aware driver's PM support for the
9654 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9655 * to the suspend() method call will be treated as SUSPEND and the driver will
9656 * fully reinitialize its device during resume() method call, the driver will
9657 * set device to PCI_D3hot state in PCI config space instead of setting it
9658 * according to the @msg provided by the PM.
9659 *
9660 * Return code
9661 * 0 - driver suspended the device
9662 * Error otherwise
9663 **/
9664static int
9665lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg)
9666{
9667 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9668 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9669
9670 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9671 "0473 PCI device Power Management suspend.\n");
9672
9673 /* Bring down the device */
618a5230 9674 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
da0436e9
JS		 9675 lpfc_offline(phba);
9676 kthread_stop(phba->worker_thread);
9677
9678 /* Disable interrupt from device */
9679 lpfc_sli_disable_intr(phba);
9680
9681 /* Save device state to PCI config space */
9682 pci_save_state(pdev);
9683 pci_set_power_state(pdev, PCI_D3hot);
9684
9685 return 0;
9686}
9687
9688/**
9689 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
9690 * @pdev: pointer to PCI device
9691 *
9692 * This routine is to be called from the kernel's PCI subsystem to support
9693 * system Power Management (PM) to device with SLI-3 interface spec. When PM
9694 * invokes this method, it restores the device's PCI config space state and
9695 * fully reinitializes the device and brings it online. Note that as the
9696 * driver implements the minimum PM requirements to a power-aware driver's
9697 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
9698 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
9699 * driver will fully reinitialize its device during resume() method call,
9700 * the device will be set to PCI_D0 directly in PCI config space before
9701 * restoring the state.
9702 *
9703 * Return code
9704 * 0 - driver suspended the device
9705 * Error otherwise
9706 **/
9707static int
9708lpfc_pci_resume_one_s3(struct pci_dev *pdev)
9709{
9710 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9711 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9712 uint32_t intr_mode;
9713 int error;
9714
9715 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9716 "0452 PCI device Power Management resume.\n");
9717
9718 /* Restore device state from PCI config space */
9719 pci_set_power_state(pdev, PCI_D0);
9720 pci_restore_state(pdev);
0d878419 9721
1dfb5a47
JS		 9722 /*
9723 * As the new kernel behavior of pci_restore_state() API call clears
9724 * device saved_state flag, need to save the restored state again.
9725 */
9726 pci_save_state(pdev);
9727
da0436e9
JS		 9728 if (pdev->is_busmaster)
9729 pci_set_master(pdev);
9730
9731 /* Startup the kernel thread for this host adapter. */
9732 phba->worker_thread = kthread_run(lpfc_do_work, phba,
9733 "lpfc_worker_%d", phba->brd_no);
9734 if (IS_ERR(phba->worker_thread)) {
9735 error = PTR_ERR(phba->worker_thread);
9736 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9737 "0434 PM resume failed to start worker "
9738 "thread: error=x%x.\n", error);
9739 return error;
9740 }
9741
9742 /* Configure and enable interrupt */
9743 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
9744 if (intr_mode == LPFC_INTR_ERROR) {
9745 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9746 "0430 PM resume Failed to enable interrupt\n");
9747 return -EIO;
9748 } else
9749 phba->intr_mode = intr_mode;
9750
9751 /* Restart HBA and bring it online */
9752 lpfc_sli_brdrestart(phba);
9753 lpfc_online(phba);
9754
9755 /* Log the current active interrupt mode */
9756 lpfc_log_intr_mode(phba, phba->intr_mode);
9757
9758 return 0;
9759}
9760
891478a2
JS		 9761/**
9762 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
9763 * @phba: pointer to lpfc hba data structure.
9764 *
9765 * This routine is called to prepare the SLI3 device for PCI slot recover. It
e2af0d2e 9766 * aborts all the outstanding SCSI I/Os to the pci device.
891478a2
JS		 9767 **/
9768static void
9769lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba)
9770{
9771 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9772 "2723 PCI channel I/O abort preparing for recovery\n");
e2af0d2e
JS		 9773
9774 /*
9775 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9776 * and let the SCSI mid-layer to retry them to recover.
9777 */
db55fba8 9778 lpfc_sli_abort_fcp_rings(phba);
891478a2
JS		 9779}
9780
0d878419
JS		 9781/**
9782 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
9783 * @phba: pointer to lpfc hba data structure.
9784 *
9785 * This routine is called to prepare the SLI3 device for PCI slot reset. It
9786 * disables the device interrupt and pci device, and aborts the internal FCP
9787 * pending I/Os.
9788 **/
9789static void
9790lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba)
9791{
0d878419 9792 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
891478a2 9793 "2710 PCI channel disable preparing for reset\n");
e2af0d2e 9794
75baf696 9795 /* Block any management I/Os to the device */
618a5230 9796 lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
75baf696 9797
e2af0d2e
JS		 9798 /* Block all SCSI devices' I/Os on the host */
9799 lpfc_scsi_dev_block(phba);
9800
ea714f3d
JS		 9801 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9802 lpfc_sli_flush_fcp_rings(phba);
9803
e2af0d2e
JS		 9804 /* stop all timers */
9805 lpfc_stop_hba_timers(phba);
9806
0d878419
JS		 9807 /* Disable interrupt and pci device */
9808 lpfc_sli_disable_intr(phba);
9809 pci_disable_device(phba->pcidev);
0d878419
JS		 9810}
9811
9812/**
9813 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
9814 * @phba: pointer to lpfc hba data structure.
9815 *
9816 * This routine is called to prepare the SLI3 device for PCI slot permanently
9817 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9818 * pending I/Os.
9819 **/
9820static void
75baf696 9821lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba)
0d878419
JS		 9822{
9823 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
891478a2 9824 "2711 PCI channel permanent disable for failure\n");
e2af0d2e
JS		 9825 /* Block all SCSI devices' I/Os on the host */
9826 lpfc_scsi_dev_block(phba);
9827
9828 /* stop all timers */
9829 lpfc_stop_hba_timers(phba);
9830
0d878419
JS		 9831 /* Clean up all driver's outstanding SCSI I/Os */
9832 lpfc_sli_flush_fcp_rings(phba);
9833}
9834
da0436e9
JS		 9835/**
9836 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
9837 * @pdev: pointer to PCI device.
9838 * @state: the current PCI connection state.
9839 *
9840 * This routine is called from the PCI subsystem for I/O error handling to
9841 * device with SLI-3 interface spec. This function is called by the PCI
9842 * subsystem after a PCI bus error affecting this device has been detected.
9843 * When this function is invoked, it will need to stop all the I/Os and
9844 * interrupt(s) to the device. Once that is done, it will return
9845 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
9846 * as desired.
9847 *
9848 * Return codes
0d878419 9849 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
da0436e9
JS		 9850 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9851 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9852 **/
9853static pci_ers_result_t
9854lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state)
9855{
9856 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9857 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
da0436e9 9858
0d878419
JS		 9859 switch (state) {
9860 case pci_channel_io_normal:
891478a2
JS		 9861 /* Non-fatal error, prepare for recovery */
9862 lpfc_sli_prep_dev_for_recover(phba);
0d878419
JS		 9863 return PCI_ERS_RESULT_CAN_RECOVER;
9864 case pci_channel_io_frozen:
9865 /* Fatal error, prepare for slot reset */
9866 lpfc_sli_prep_dev_for_reset(phba);
9867 return PCI_ERS_RESULT_NEED_RESET;
9868 case pci_channel_io_perm_failure:
9869 /* Permanent failure, prepare for device down */
75baf696 9870 lpfc_sli_prep_dev_for_perm_failure(phba);
da0436e9 9871 return PCI_ERS_RESULT_DISCONNECT;
0d878419
JS		 9872 default:
9873 /* Unknown state, prepare and request slot reset */
9874 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9875 "0472 Unknown PCI error state: x%x\n", state);
9876 lpfc_sli_prep_dev_for_reset(phba);
9877 return PCI_ERS_RESULT_NEED_RESET;
da0436e9 9878 }
da0436e9
JS		 9879}
9880
9881/**
9882 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
9883 * @pdev: pointer to PCI device.
9884 *
9885 * This routine is called from the PCI subsystem for error handling to
9886 * device with SLI-3 interface spec. This is called after PCI bus has been
9887 * reset to restart the PCI card from scratch, as if from a cold-boot.
9888 * During the PCI subsystem error recovery, after driver returns
9889 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
9890 * recovery and then call this routine before calling the .resume method
9891 * to recover the device. This function will initialize the HBA device,
9892 * enable the interrupt, but it will just put the HBA to offline state
9893 * without passing any I/O traffic.
9894 *
9895 * Return codes
9896 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9897 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9898 */
9899static pci_ers_result_t
9900lpfc_io_slot_reset_s3(struct pci_dev *pdev)
9901{
9902 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9903 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9904 struct lpfc_sli *psli = &phba->sli;
9905 uint32_t intr_mode;
9906
9907 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
9908 if (pci_enable_device_mem(pdev)) {
9909 printk(KERN_ERR "lpfc: Cannot re-enable "
9910 "PCI device after reset.\n");
9911 return PCI_ERS_RESULT_DISCONNECT;
9912 }
9913
9914 pci_restore_state(pdev);
1dfb5a47
JS		 9915
9916 /*
9917 * As the new kernel behavior of pci_restore_state() API call clears
9918 * device saved_state flag, need to save the restored state again.
9919 */
9920 pci_save_state(pdev);
9921
da0436e9
JS		 9922 if (pdev->is_busmaster)
9923 pci_set_master(pdev);
9924
9925 spin_lock_irq(&phba->hbalock);
9926 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
9927 spin_unlock_irq(&phba->hbalock);
9928
9929 /* Configure and enable interrupt */
9930 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
9931 if (intr_mode == LPFC_INTR_ERROR) {
9932 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9933 "0427 Cannot re-enable interrupt after "
9934 "slot reset.\n");
9935 return PCI_ERS_RESULT_DISCONNECT;
9936 } else
9937 phba->intr_mode = intr_mode;
9938
75baf696 9939 /* Take device offline, it will perform cleanup */
618a5230 9940 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
da0436e9
JS		 9941 lpfc_offline(phba);
9942 lpfc_sli_brdrestart(phba);
9943
9944 /* Log the current active interrupt mode */
9945 lpfc_log_intr_mode(phba, phba->intr_mode);
9946
9947 return PCI_ERS_RESULT_RECOVERED;
9948}
9949
9950/**
9951 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
9952 * @pdev: pointer to PCI device
9953 *
9954 * This routine is called from the PCI subsystem for error handling to device
9955 * with SLI-3 interface spec. It is called when kernel error recovery tells
9956 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
9957 * error recovery. After this call, traffic can start to flow from this device
9958 * again.
9959 */
9960static void
9961lpfc_io_resume_s3(struct pci_dev *pdev)
9962{
9963 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9964 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3772a991 9965
e2af0d2e 9966 /* Bring device online, it will be no-op for non-fatal error resume */
da0436e9 9967 lpfc_online(phba);
0d878419
JS		 9968
9969 /* Clean up Advanced Error Reporting (AER) if needed */
9970 if (phba->hba_flag & HBA_AER_ENABLED)
9971 pci_cleanup_aer_uncorrect_error_status(pdev);
da0436e9 9972}
3772a991 9973
da0436e9
JS		 9974/**
9975 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
9976 * @phba: pointer to lpfc hba data structure.
9977 *
9978 * returns the number of ELS/CT IOCBs to reserve
9979 **/
9980int
9981lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba)
9982{
9983 int max_xri = phba->sli4_hba.max_cfg_param.max_xri;
9984
f1126688
JS		 9985 if (phba->sli_rev == LPFC_SLI_REV4) {
9986 if (max_xri <= 100)
6a9c52cf 9987 return 10;
f1126688 9988 else if (max_xri <= 256)
6a9c52cf 9989 return 25;
f1126688 9990 else if (max_xri <= 512)
6a9c52cf 9991 return 50;
f1126688 9992 else if (max_xri <= 1024)
6a9c52cf 9993 return 100;
8a9d2e80 9994 else if (max_xri <= 1536)
6a9c52cf 9995 return 150;
8a9d2e80
JS		 9996 else if (max_xri <= 2048)
9997 return 200;
9998 else
9999 return 250;
f1126688
JS		 10000 } else
10001 return 0;
3772a991
JS		 10002}
10003
52d52440
JS		 10004/**
10005 * lpfc_write_firmware - attempt to write a firmware image to the port
52d52440 10006 * @fw: pointer to firmware image returned from request_firmware.
ce396282 10007 * @phba: pointer to lpfc hba data structure.
52d52440 10008 *
52d52440 10009 **/
ce396282
JS		 10010static void
10011lpfc_write_firmware(const struct firmware *fw, void *context)
52d52440 10012{
ce396282 10013 struct lpfc_hba *phba = (struct lpfc_hba *)context;
6b5151fd 10014 char fwrev[FW_REV_STR_SIZE];
ce396282 10015 struct lpfc_grp_hdr *image;
52d52440
JS		 10016 struct list_head dma_buffer_list;
10017 int i, rc = 0;
10018 struct lpfc_dmabuf *dmabuf, *next;
10019 uint32_t offset = 0, temp_offset = 0;
10020
c71ab861 10021 /* It can be null in no-wait mode, sanity check */
ce396282
JS		 10022 if (!fw) {
10023 rc = -ENXIO;
10024 goto out;
10025 }
10026 image = (struct lpfc_grp_hdr *)fw->data;
10027
52d52440 10028 INIT_LIST_HEAD(&dma_buffer_list);
079b5c91
JS		 10029 if ((be32_to_cpu(image->magic_number) != LPFC_GROUP_OJECT_MAGIC_NUM) ||
10030 (bf_get_be32(lpfc_grp_hdr_file_type, image) !=
10031 LPFC_FILE_TYPE_GROUP) ||
10032 (bf_get_be32(lpfc_grp_hdr_id, image) != LPFC_FILE_ID_GROUP) ||
10033 (be32_to_cpu(image->size) != fw->size)) {
52d52440
JS		 10034 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10035 "3022 Invalid FW image found. "
079b5c91
JS		 10036 "Magic:%x Type:%x ID:%x\n",
10037 be32_to_cpu(image->magic_number),
10038 bf_get_be32(lpfc_grp_hdr_file_type, image),
10039 bf_get_be32(lpfc_grp_hdr_id, image));
ce396282
JS		 10040 rc = -EINVAL;
10041 goto release_out;
52d52440
JS		 10042 }
10043 lpfc_decode_firmware_rev(phba, fwrev, 1);
88a2cfbb 10044 if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) {
52d52440 10045 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
ce396282 10046 "3023 Updating Firmware, Current Version:%s "
52d52440 10047 "New Version:%s\n",
88a2cfbb 10048 fwrev, image->revision);
52d52440
JS		 10049 for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) {
10050 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf),
10051 GFP_KERNEL);
10052 if (!dmabuf) {
10053 rc = -ENOMEM;
ce396282 10054 goto release_out;
52d52440
JS		 10055 }
10056 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
10057 SLI4_PAGE_SIZE,
10058 &dmabuf->phys,
10059 GFP_KERNEL);
10060 if (!dmabuf->virt) {
10061 kfree(dmabuf);
10062 rc = -ENOMEM;
ce396282 10063 goto release_out;
52d52440
JS		 10064 }
10065 list_add_tail(&dmabuf->list, &dma_buffer_list);
10066 }
10067 while (offset < fw->size) {
10068 temp_offset = offset;
10069 list_for_each_entry(dmabuf, &dma_buffer_list, list) {
079b5c91 10070 if (temp_offset + SLI4_PAGE_SIZE > fw->size) {
52d52440
JS		 10071 memcpy(dmabuf->virt,
10072 fw->data + temp_offset,
079b5c91
JS		 10073 fw->size - temp_offset);
10074 temp_offset = fw->size;
52d52440
JS		 10075 break;
10076 }
52d52440
JS		 10077 memcpy(dmabuf->virt, fw->data + temp_offset,
10078 SLI4_PAGE_SIZE);
88a2cfbb 10079 temp_offset += SLI4_PAGE_SIZE;
52d52440
JS		 10080 }
10081 rc = lpfc_wr_object(phba, &dma_buffer_list,
10082 (fw->size - offset), &offset);
ce396282
JS		 10083 if (rc)
10084 goto release_out;
52d52440
JS		 10085 }
10086 rc = offset;
10087 }
ce396282
JS		 10088
10089release_out:
52d52440
JS		 10090 list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) {
10091 list_del(&dmabuf->list);
10092 dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
10093 dmabuf->virt, dmabuf->phys);
10094 kfree(dmabuf);
10095 }
ce396282
JS		 10096 release_firmware(fw);
10097out:
10098 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
c71ab861 10099 "3024 Firmware update done: %d.\n", rc);
ce396282 10100 return;
52d52440
JS		 10101}
10102
c71ab861
JS		 10103/**
10104 * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade
10105 * @phba: pointer to lpfc hba data structure.
10106 *
10107 * This routine is called to perform Linux generic firmware upgrade on device
10108 * that supports such feature.
10109 **/
10110int
10111lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade)
10112{
10113 uint8_t file_name[ELX_MODEL_NAME_SIZE];
10114 int ret;
10115 const struct firmware *fw;
10116
10117 /* Only supported on SLI4 interface type 2 for now */
10118 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
10119 LPFC_SLI_INTF_IF_TYPE_2)
10120 return -EPERM;
10121
10122 snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp", phba->ModelName);
10123
10124 if (fw_upgrade == INT_FW_UPGRADE) {
10125 ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
10126 file_name, &phba->pcidev->dev,
10127 GFP_KERNEL, (void *)phba,
10128 lpfc_write_firmware);
10129 } else if (fw_upgrade == RUN_FW_UPGRADE) {
10130 ret = request_firmware(&fw, file_name, &phba->pcidev->dev);
10131 if (!ret)
10132 lpfc_write_firmware(fw, (void *)phba);
10133 } else {
10134 ret = -EINVAL;
10135 }
10136
10137 return ret;
10138}
10139
3772a991 10140/**
da0436e9 10141 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
3772a991
JS		 10142 * @pdev: pointer to PCI device
10143 * @pid: pointer to PCI device identifier
10144 *
da0436e9
JS		 10145 * This routine is called from the kernel's PCI subsystem to device with
10146 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
3772a991 10147 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
da0436e9
JS		 10148 * information of the device and driver to see if the driver state that it
10149 * can support this kind of device. If the match is successful, the driver
10150 * core invokes this routine. If this routine determines it can claim the HBA,
10151 * it does all the initialization that it needs to do to handle the HBA
10152 * properly.
3772a991
JS		 10153 *
10154 * Return code
10155 * 0 - driver can claim the device
10156 * negative value - driver can not claim the device
10157 **/
6f039790 10158static int
da0436e9 10159lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
3772a991
JS		 10160{
10161 struct lpfc_hba *phba;
10162 struct lpfc_vport *vport = NULL;
6669f9bb 10163 struct Scsi_Host *shost = NULL;
ce396282 10164 int error, ret;
3772a991 10165 uint32_t cfg_mode, intr_mode;
67d12733 10166 int adjusted_fcp_io_channel;
3772a991
JS		 10167
10168 /* Allocate memory for HBA structure */
10169 phba = lpfc_hba_alloc(pdev);
10170 if (!phba)
10171 return -ENOMEM;
10172
10173 /* Perform generic PCI device enabling operation */
10174 error = lpfc_enable_pci_dev(phba);
079b5c91 10175 if (error)
3772a991 10176 goto out_free_phba;
3772a991 10177
da0436e9
JS		 10178 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
10179 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC);
3772a991
JS		 10180 if (error)
10181 goto out_disable_pci_dev;
10182
da0436e9
JS		 10183 /* Set up SLI-4 specific device PCI memory space */
10184 error = lpfc_sli4_pci_mem_setup(phba);
3772a991
JS		 10185 if (error) {
10186 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10187 "1410 Failed to set up pci memory space.\n");
3772a991
JS		 10188 goto out_disable_pci_dev;
10189 }
10190
10191 /* Set up phase-1 common device driver resources */
10192 error = lpfc_setup_driver_resource_phase1(phba);
10193 if (error) {
10194 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 10195 "1411 Failed to set up driver resource.\n");
10196 goto out_unset_pci_mem_s4;
3772a991
JS		 10197 }
10198
da0436e9
JS		 10199 /* Set up SLI-4 Specific device driver resources */
10200 error = lpfc_sli4_driver_resource_setup(phba);
3772a991
JS		 10201 if (error) {
10202 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 10203 "1412 Failed to set up driver resource.\n");
10204 goto out_unset_pci_mem_s4;
3772a991
JS		 10205 }
10206
10207 /* Initialize and populate the iocb list per host */
2a9bf3d0
JS		 10208
10209 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
10210 "2821 initialize iocb list %d.\n",
10211 phba->cfg_iocb_cnt*1024);
10212 error = lpfc_init_iocb_list(phba, phba->cfg_iocb_cnt*1024);
10213
3772a991
JS		 10214 if (error) {
10215 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 10216 "1413 Failed to initialize iocb list.\n");
10217 goto out_unset_driver_resource_s4;
3772a991
JS		 10218 }
10219
19ca7609 10220 INIT_LIST_HEAD(&phba->active_rrq_list);
7d791df7 10221 INIT_LIST_HEAD(&phba->fcf.fcf_pri_list);
19ca7609 10222
3772a991
JS		 10223 /* Set up common device driver resources */
10224 error = lpfc_setup_driver_resource_phase2(phba);
10225 if (error) {
10226 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10227 "1414 Failed to set up driver resource.\n");
3772a991
JS		 10228 goto out_free_iocb_list;
10229 }
10230
079b5c91
JS		 10231 /* Get the default values for Model Name and Description */
10232 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
10233
3772a991
JS		 10234 /* Create SCSI host to the physical port */
10235 error = lpfc_create_shost(phba);
10236 if (error) {
10237 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10238 "1415 Failed to create scsi host.\n");
3772a991
JS		 10239 goto out_unset_driver_resource;
10240 }
9399627f 10241
5b75da2f 10242 /* Configure sysfs attributes */
3772a991
JS		 10243 vport = phba->pport;
10244 error = lpfc_alloc_sysfs_attr(vport);
10245 if (error) {
9399627f 10246 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10247 "1416 Failed to allocate sysfs attr\n");
3772a991 10248 goto out_destroy_shost;
98c9ea5c 10249 }
875fbdfe 10250
6669f9bb 10251 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
3772a991 10252 /* Now, trying to enable interrupt and bring up the device */
5b75da2f 10253 cfg_mode = phba->cfg_use_msi;
5b75da2f 10254
7b15db32
JS		 10255 /* Put device to a known state before enabling interrupt */
10256 lpfc_stop_port(phba);
10257 /* Configure and enable interrupt */
10258 intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode);
10259 if (intr_mode == LPFC_INTR_ERROR) {
10260 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10261 "0426 Failed to enable interrupt.\n");
10262 error = -ENODEV;
10263 goto out_free_sysfs_attr;
10264 }
10265 /* Default to single EQ for non-MSI-X */
10266 if (phba->intr_type != MSIX)
10267 adjusted_fcp_io_channel = 1;
10268 else
10269 adjusted_fcp_io_channel = phba->cfg_fcp_io_channel;
10270 phba->cfg_fcp_io_channel = adjusted_fcp_io_channel;
10271 /* Set up SLI-4 HBA */
10272 if (lpfc_sli4_hba_setup(phba)) {
10273 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10274 "1421 Failed to set up hba\n");
10275 error = -ENODEV;
10276 goto out_disable_intr;
98c9ea5c 10277 }
858c9f6c 10278
7b15db32
JS		 10279 /* Log the current active interrupt mode */
10280 phba->intr_mode = intr_mode;
10281 lpfc_log_intr_mode(phba, intr_mode);
10282
3772a991
JS		 10283 /* Perform post initialization setup */
10284 lpfc_post_init_setup(phba);
dea3101e 10285
c71ab861
JS		 10286 /* check for firmware upgrade or downgrade */
10287 if (phba->cfg_request_firmware_upgrade)
10288 ret = lpfc_sli4_request_firmware_update(phba, INT_FW_UPGRADE);
52d52440 10289
1c6834a7
JS		 10290 /* Check if there are static vports to be created. */
10291 lpfc_create_static_vport(phba);
dea3101e 10292 return 0;
10293
da0436e9
JS		 10294out_disable_intr:
10295 lpfc_sli4_disable_intr(phba);
5b75da2f
JS		 10296out_free_sysfs_attr:
10297 lpfc_free_sysfs_attr(vport);
3772a991
JS		 10298out_destroy_shost:
10299 lpfc_destroy_shost(phba);
10300out_unset_driver_resource:
10301 lpfc_unset_driver_resource_phase2(phba);
10302out_free_iocb_list:
10303 lpfc_free_iocb_list(phba);
da0436e9
JS		 10304out_unset_driver_resource_s4:
10305 lpfc_sli4_driver_resource_unset(phba);
10306out_unset_pci_mem_s4:
10307 lpfc_sli4_pci_mem_unset(phba);
3772a991
JS		 10308out_disable_pci_dev:
10309 lpfc_disable_pci_dev(phba);
6669f9bb
JS		 10310 if (shost)
10311 scsi_host_put(shost);
2e0fef85 10312out_free_phba:
3772a991 10313 lpfc_hba_free(phba);
dea3101e 10314 return error;
10315}
10316
e59058c4 10317/**
da0436e9 10318 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
e59058c4
JS		 10319 * @pdev: pointer to PCI device
10320 *
da0436e9
JS		 10321 * This routine is called from the kernel's PCI subsystem to device with
10322 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
3772a991
JS		 10323 * removed from PCI bus, it performs all the necessary cleanup for the HBA
10324 * device to be removed from the PCI subsystem properly.
e59058c4 10325 **/
6f039790 10326static void
da0436e9 10327lpfc_pci_remove_one_s4(struct pci_dev *pdev)
dea3101e 10328{
da0436e9 10329 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2e0fef85 10330 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
eada272d 10331 struct lpfc_vport **vports;
da0436e9 10332 struct lpfc_hba *phba = vport->phba;
eada272d 10333 int i;
8a4df120 10334
da0436e9 10335 /* Mark the device unloading flag */
549e55cd 10336 spin_lock_irq(&phba->hbalock);
51ef4c26 10337 vport->load_flag |= FC_UNLOADING;
549e55cd 10338 spin_unlock_irq(&phba->hbalock);
2e0fef85 10339
da0436e9 10340 /* Free the HBA sysfs attributes */
858c9f6c
JS		 10341 lpfc_free_sysfs_attr(vport);
10342
eada272d
JS		 10343 /* Release all the vports against this physical port */
10344 vports = lpfc_create_vport_work_array(phba);
10345 if (vports != NULL)
587a37f6
JS		 10346 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
10347 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
10348 continue;
eada272d 10349 fc_vport_terminate(vports[i]->fc_vport);
587a37f6 10350 }
eada272d
JS		 10351 lpfc_destroy_vport_work_array(phba, vports);
10352
10353 /* Remove FC host and then SCSI host with the physical port */
858c9f6c
JS		 10354 fc_remove_host(shost);
10355 scsi_remove_host(shost);
da0436e9
JS		 10356
10357 /* Perform cleanup on the physical port */
87af33fe
JS		 10358 lpfc_cleanup(vport);
10359
2e0fef85 10360 /*
da0436e9 10361 * Bring down the SLI Layer. This step disables all interrupts,
2e0fef85 10362 * clears the rings, discards all mailbox commands, and resets
da0436e9 10363 * the HBA FCoE function.
2e0fef85 10364 */
da0436e9
JS		 10365 lpfc_debugfs_terminate(vport);
10366 lpfc_sli4_hba_unset(phba);
a257bf90 10367
858c9f6c
JS		 10368 spin_lock_irq(&phba->hbalock);
10369 list_del_init(&vport->listentry);
10370 spin_unlock_irq(&phba->hbalock);
10371
3677a3a7 10372 /* Perform scsi free before driver resource_unset since scsi
da0436e9 10373 * buffers are released to their corresponding pools here.
2e0fef85
JS		 10374 */
10375 lpfc_scsi_free(phba);
67d12733 10376
da0436e9 10377 lpfc_sli4_driver_resource_unset(phba);
ed957684 10378
da0436e9
JS		 10379 /* Unmap adapter Control and Doorbell registers */
10380 lpfc_sli4_pci_mem_unset(phba);
2e0fef85 10381
da0436e9
JS		 10382 /* Release PCI resources and disable device's PCI function */
10383 scsi_host_put(shost);
10384 lpfc_disable_pci_dev(phba);
2e0fef85 10385
da0436e9 10386 /* Finally, free the driver's device data structure */
3772a991 10387 lpfc_hba_free(phba);
2e0fef85 10388
da0436e9 10389 return;
dea3101e 10390}
10391
3a55b532 10392/**
da0436e9 10393 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
3a55b532
JS		 10394 * @pdev: pointer to PCI device
10395 * @msg: power management message
10396 *
da0436e9
JS		 10397 * This routine is called from the kernel's PCI subsystem to support system
10398 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
10399 * this method, it quiesces the device by stopping the driver's worker
10400 * thread for the device, turning off device's interrupt and DMA, and bring
10401 * the device offline. Note that as the driver implements the minimum PM
10402 * requirements to a power-aware driver's PM support for suspend/resume -- all
10403 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
10404 * method call will be treated as SUSPEND and the driver will fully
10405 * reinitialize its device during resume() method call, the driver will set
10406 * device to PCI_D3hot state in PCI config space instead of setting it
3772a991 10407 * according to the @msg provided by the PM.
3a55b532
JS		 10408 *
10409 * Return code
3772a991
JS		 10410 * 0 - driver suspended the device
10411 * Error otherwise
3a55b532
JS		 10412 **/
10413static int
da0436e9 10414lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg)
3a55b532
JS		 10415{
10416 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10417 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10418
10419 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
75baf696 10420 "2843 PCI device Power Management suspend.\n");
3a55b532
JS		 10421
10422 /* Bring down the device */
618a5230 10423 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
3a55b532
JS		 10424 lpfc_offline(phba);
10425 kthread_stop(phba->worker_thread);
10426
10427 /* Disable interrupt from device */
da0436e9 10428 lpfc_sli4_disable_intr(phba);
5350d872 10429 lpfc_sli4_queue_destroy(phba);
3a55b532
JS		 10430
10431 /* Save device state to PCI config space */
10432 pci_save_state(pdev);
10433 pci_set_power_state(pdev, PCI_D3hot);
10434
10435 return 0;
10436}
10437
10438/**
da0436e9 10439 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
3a55b532
JS		 10440 * @pdev: pointer to PCI device
10441 *
da0436e9
JS		 10442 * This routine is called from the kernel's PCI subsystem to support system
10443 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
10444 * this method, it restores the device's PCI config space state and fully
10445 * reinitializes the device and brings it online. Note that as the driver
10446 * implements the minimum PM requirements to a power-aware driver's PM for
10447 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
10448 * to the suspend() method call will be treated as SUSPEND and the driver
10449 * will fully reinitialize its device during resume() method call, the device
10450 * will be set to PCI_D0 directly in PCI config space before restoring the
10451 * state.
3a55b532
JS		 10452 *
10453 * Return code
3772a991
JS		 10454 * 0 - driver suspended the device
10455 * Error otherwise
3a55b532
JS		 10456 **/
10457static int
da0436e9 10458lpfc_pci_resume_one_s4(struct pci_dev *pdev)
3a55b532
JS		 10459{
10460 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10461 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
5b75da2f 10462 uint32_t intr_mode;
3a55b532
JS		 10463 int error;
10464
10465 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
da0436e9 10466 "0292 PCI device Power Management resume.\n");
3a55b532
JS		 10467
10468 /* Restore device state from PCI config space */
10469 pci_set_power_state(pdev, PCI_D0);
10470 pci_restore_state(pdev);
1dfb5a47
JS		 10471
10472 /*
10473 * As the new kernel behavior of pci_restore_state() API call clears
10474 * device saved_state flag, need to save the restored state again.
10475 */
10476 pci_save_state(pdev);
10477
3a55b532
JS		 10478 if (pdev->is_busmaster)
10479 pci_set_master(pdev);
10480
da0436e9 10481 /* Startup the kernel thread for this host adapter. */
3a55b532
JS		 10482 phba->worker_thread = kthread_run(lpfc_do_work, phba,
10483 "lpfc_worker_%d", phba->brd_no);
10484 if (IS_ERR(phba->worker_thread)) {
10485 error = PTR_ERR(phba->worker_thread);
10486 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10487 "0293 PM resume failed to start worker "
3a55b532
JS		 10488 "thread: error=x%x.\n", error);
10489 return error;
10490 }
10491
5b75da2f 10492 /* Configure and enable interrupt */
da0436e9 10493 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
5b75da2f 10494 if (intr_mode == LPFC_INTR_ERROR) {
3a55b532 10495 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10496 "0294 PM resume Failed to enable interrupt\n");
5b75da2f
JS		 10497 return -EIO;
10498 } else
10499 phba->intr_mode = intr_mode;
3a55b532
JS		 10500
10501 /* Restart HBA and bring it online */
10502 lpfc_sli_brdrestart(phba);
10503 lpfc_online(phba);
10504
5b75da2f
JS		 10505 /* Log the current active interrupt mode */
10506 lpfc_log_intr_mode(phba, phba->intr_mode);
10507
3a55b532
JS		 10508 return 0;
10509}
10510
75baf696
JS		 10511/**
10512 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
10513 * @phba: pointer to lpfc hba data structure.
10514 *
10515 * This routine is called to prepare the SLI4 device for PCI slot recover. It
10516 * aborts all the outstanding SCSI I/Os to the pci device.
10517 **/
10518static void
10519lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba)
10520{
75baf696
JS		 10521 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10522 "2828 PCI channel I/O abort preparing for recovery\n");
10523 /*
10524 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
10525 * and let the SCSI mid-layer to retry them to recover.
10526 */
db55fba8 10527 lpfc_sli_abort_fcp_rings(phba);
75baf696
JS		 10528}
10529
10530/**
10531 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
10532 * @phba: pointer to lpfc hba data structure.
10533 *
10534 * This routine is called to prepare the SLI4 device for PCI slot reset. It
10535 * disables the device interrupt and pci device, and aborts the internal FCP
10536 * pending I/Os.
10537 **/
10538static void
10539lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba)
10540{
10541 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10542 "2826 PCI channel disable preparing for reset\n");
10543
10544 /* Block any management I/Os to the device */
618a5230 10545 lpfc_block_mgmt_io(phba, LPFC_MBX_NO_WAIT);
75baf696
JS		 10546
10547 /* Block all SCSI devices' I/Os on the host */
10548 lpfc_scsi_dev_block(phba);
10549
ea714f3d
JS		 10550 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
10551 lpfc_sli_flush_fcp_rings(phba);
10552
75baf696
JS		 10553 /* stop all timers */
10554 lpfc_stop_hba_timers(phba);
10555
10556 /* Disable interrupt and pci device */
10557 lpfc_sli4_disable_intr(phba);
5350d872 10558 lpfc_sli4_queue_destroy(phba);
75baf696 10559 pci_disable_device(phba->pcidev);
75baf696
JS		 10560}
10561
10562/**
10563 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
10564 * @phba: pointer to lpfc hba data structure.
10565 *
10566 * This routine is called to prepare the SLI4 device for PCI slot permanently
10567 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
10568 * pending I/Os.
10569 **/
10570static void
10571lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba)
10572{
10573 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10574 "2827 PCI channel permanent disable for failure\n");
10575
10576 /* Block all SCSI devices' I/Os on the host */
10577 lpfc_scsi_dev_block(phba);
10578
10579 /* stop all timers */
10580 lpfc_stop_hba_timers(phba);
10581
10582 /* Clean up all driver's outstanding SCSI I/Os */
10583 lpfc_sli_flush_fcp_rings(phba);
10584}
10585
8d63f375 10586/**
da0436e9 10587 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
e59058c4
JS		 10588 * @pdev: pointer to PCI device.
10589 * @state: the current PCI connection state.
8d63f375 10590 *
da0436e9
JS		 10591 * This routine is called from the PCI subsystem for error handling to device
10592 * with SLI-4 interface spec. This function is called by the PCI subsystem
10593 * after a PCI bus error affecting this device has been detected. When this
10594 * function is invoked, it will need to stop all the I/Os and interrupt(s)
10595 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
10596 * for the PCI subsystem to perform proper recovery as desired.
e59058c4
JS		 10597 *
10598 * Return codes
3772a991
JS		 10599 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10600 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
e59058c4 10601 **/
3772a991 10602static pci_ers_result_t
da0436e9 10603lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state)
8d63f375 10604{
75baf696
JS		 10605 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10606 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10607
10608 switch (state) {
10609 case pci_channel_io_normal:
10610 /* Non-fatal error, prepare for recovery */
10611 lpfc_sli4_prep_dev_for_recover(phba);
10612 return PCI_ERS_RESULT_CAN_RECOVER;
10613 case pci_channel_io_frozen:
10614 /* Fatal error, prepare for slot reset */
10615 lpfc_sli4_prep_dev_for_reset(phba);
10616 return PCI_ERS_RESULT_NEED_RESET;
10617 case pci_channel_io_perm_failure:
10618 /* Permanent failure, prepare for device down */
10619 lpfc_sli4_prep_dev_for_perm_failure(phba);
10620 return PCI_ERS_RESULT_DISCONNECT;
10621 default:
10622 /* Unknown state, prepare and request slot reset */
10623 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10624 "2825 Unknown PCI error state: x%x\n", state);
10625 lpfc_sli4_prep_dev_for_reset(phba);
10626 return PCI_ERS_RESULT_NEED_RESET;
10627 }
8d63f375
LV		 10628}
10629
10630/**
da0436e9 10631 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
e59058c4
JS		 10632 * @pdev: pointer to PCI device.
10633 *
da0436e9
JS		 10634 * This routine is called from the PCI subsystem for error handling to device
10635 * with SLI-4 interface spec. It is called after PCI bus has been reset to
10636 * restart the PCI card from scratch, as if from a cold-boot. During the
10637 * PCI subsystem error recovery, after the driver returns
3772a991 10638 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
da0436e9
JS		 10639 * recovery and then call this routine before calling the .resume method to
10640 * recover the device. This function will initialize the HBA device, enable
10641 * the interrupt, but it will just put the HBA to offline state without
10642 * passing any I/O traffic.
8d63f375 10643 *
e59058c4 10644 * Return codes
3772a991
JS		 10645 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10646 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
8d63f375 10647 */
3772a991 10648static pci_ers_result_t
da0436e9 10649lpfc_io_slot_reset_s4(struct pci_dev *pdev)
8d63f375 10650{
75baf696
JS		 10651 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10652 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10653 struct lpfc_sli *psli = &phba->sli;
10654 uint32_t intr_mode;
10655
10656 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
10657 if (pci_enable_device_mem(pdev)) {
10658 printk(KERN_ERR "lpfc: Cannot re-enable "
10659 "PCI device after reset.\n");
10660 return PCI_ERS_RESULT_DISCONNECT;
10661 }
10662
10663 pci_restore_state(pdev);
0a96e975
JS		 10664
10665 /*
10666 * As the new kernel behavior of pci_restore_state() API call clears
10667 * device saved_state flag, need to save the restored state again.
10668 */
10669 pci_save_state(pdev);
10670
75baf696
JS		 10671 if (pdev->is_busmaster)
10672 pci_set_master(pdev);
10673
10674 spin_lock_irq(&phba->hbalock);
10675 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
10676 spin_unlock_irq(&phba->hbalock);
10677
10678 /* Configure and enable interrupt */
10679 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
10680 if (intr_mode == LPFC_INTR_ERROR) {
10681 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10682 "2824 Cannot re-enable interrupt after "
10683 "slot reset.\n");
10684 return PCI_ERS_RESULT_DISCONNECT;
10685 } else
10686 phba->intr_mode = intr_mode;
10687
10688 /* Log the current active interrupt mode */
10689 lpfc_log_intr_mode(phba, phba->intr_mode);
10690
8d63f375
LV		 10691 return PCI_ERS_RESULT_RECOVERED;
10692}
10693
10694/**
da0436e9 10695 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
e59058c4 10696 * @pdev: pointer to PCI device
8d63f375 10697 *
3772a991 10698 * This routine is called from the PCI subsystem for error handling to device
da0436e9 10699 * with SLI-4 interface spec. It is called when kernel error recovery tells
3772a991
JS		 10700 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
10701 * error recovery. After this call, traffic can start to flow from this device
10702 * again.
da0436e9 10703 **/
3772a991 10704static void
da0436e9 10705lpfc_io_resume_s4(struct pci_dev *pdev)
8d63f375 10706{
75baf696
JS		 10707 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10708 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10709
10710 /*
10711 * In case of slot reset, as function reset is performed through
10712 * mailbox command which needs DMA to be enabled, this operation
10713 * has to be moved to the io resume phase. Taking device offline
10714 * will perform the necessary cleanup.
10715 */
10716 if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) {
10717 /* Perform device reset */
618a5230 10718 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
75baf696
JS		 10719 lpfc_offline(phba);
10720 lpfc_sli_brdrestart(phba);
10721 /* Bring the device back online */
10722 lpfc_online(phba);
10723 }
10724
10725 /* Clean up Advanced Error Reporting (AER) if needed */
10726 if (phba->hba_flag & HBA_AER_ENABLED)
10727 pci_cleanup_aer_uncorrect_error_status(pdev);
8d63f375
LV		 10728}
10729
3772a991
JS		 10730/**
10731 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
10732 * @pdev: pointer to PCI device
10733 * @pid: pointer to PCI device identifier
10734 *
10735 * This routine is to be registered to the kernel's PCI subsystem. When an
10736 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
10737 * at PCI device-specific information of the device and driver to see if the
10738 * driver state that it can support this kind of device. If the match is
10739 * successful, the driver core invokes this routine. This routine dispatches
10740 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
10741 * do all the initialization that it needs to do to handle the HBA device
10742 * properly.
10743 *
10744 * Return code
10745 * 0 - driver can claim the device
10746 * negative value - driver can not claim the device
10747 **/
6f039790 10748static int
3772a991
JS		 10749lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
10750{
10751 int rc;
8fa38513 10752 struct lpfc_sli_intf intf;
3772a991 10753
28baac74 10754 if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0))
3772a991
JS		 10755 return -ENODEV;
10756
8fa38513 10757 if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) &&
28baac74 10758 (bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4))
da0436e9 10759 rc = lpfc_pci_probe_one_s4(pdev, pid);
8fa38513 10760 else
3772a991 10761 rc = lpfc_pci_probe_one_s3(pdev, pid);
8fa38513 10762
3772a991
JS		 10763 return rc;
10764}
10765
10766/**
10767 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
10768 * @pdev: pointer to PCI device
10769 *
10770 * This routine is to be registered to the kernel's PCI subsystem. When an
10771 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
10772 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
10773 * remove routine, which will perform all the necessary cleanup for the
10774 * device to be removed from the PCI subsystem properly.
10775 **/
6f039790 10776static void
3772a991
JS		 10777lpfc_pci_remove_one(struct pci_dev *pdev)
10778{
10779 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10780 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10781
10782 switch (phba->pci_dev_grp) {
10783 case LPFC_PCI_DEV_LP:
10784 lpfc_pci_remove_one_s3(pdev);
10785 break;
da0436e9
JS		 10786 case LPFC_PCI_DEV_OC:
10787 lpfc_pci_remove_one_s4(pdev);
10788 break;
3772a991
JS		 10789 default:
10790 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10791 "1424 Invalid PCI device group: 0x%x\n",
10792 phba->pci_dev_grp);
10793 break;
10794 }
10795 return;
10796}
10797
10798/**
10799 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
10800 * @pdev: pointer to PCI device
10801 * @msg: power management message
10802 *
10803 * This routine is to be registered to the kernel's PCI subsystem to support
10804 * system Power Management (PM). When PM invokes this method, it dispatches
10805 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
10806 * suspend the device.
10807 *
10808 * Return code
10809 * 0 - driver suspended the device
10810 * Error otherwise
10811 **/
10812static int
10813lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg)
10814{
10815 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10816 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10817 int rc = -ENODEV;
10818
10819 switch (phba->pci_dev_grp) {
10820 case LPFC_PCI_DEV_LP:
10821 rc = lpfc_pci_suspend_one_s3(pdev, msg);
10822 break;
da0436e9
JS		 10823 case LPFC_PCI_DEV_OC:
10824 rc = lpfc_pci_suspend_one_s4(pdev, msg);
10825 break;
3772a991
JS		 10826 default:
10827 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10828 "1425 Invalid PCI device group: 0x%x\n",
10829 phba->pci_dev_grp);
10830 break;
10831 }
10832 return rc;
10833}
10834
10835/**
10836 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
10837 * @pdev: pointer to PCI device
10838 *
10839 * This routine is to be registered to the kernel's PCI subsystem to support
10840 * system Power Management (PM). When PM invokes this method, it dispatches
10841 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
10842 * resume the device.
10843 *
10844 * Return code
10845 * 0 - driver suspended the device
10846 * Error otherwise
10847 **/
10848static int
10849lpfc_pci_resume_one(struct pci_dev *pdev)
10850{
10851 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10852 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10853 int rc = -ENODEV;
10854
10855 switch (phba->pci_dev_grp) {
10856 case LPFC_PCI_DEV_LP:
10857 rc = lpfc_pci_resume_one_s3(pdev);
10858 break;
da0436e9
JS		 10859 case LPFC_PCI_DEV_OC:
10860 rc = lpfc_pci_resume_one_s4(pdev);
10861 break;
3772a991
JS		 10862 default:
10863 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10864 "1426 Invalid PCI device group: 0x%x\n",
10865 phba->pci_dev_grp);
10866 break;
10867 }
10868 return rc;
10869}
10870
10871/**
10872 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
10873 * @pdev: pointer to PCI device.
10874 * @state: the current PCI connection state.
10875 *
10876 * This routine is registered to the PCI subsystem for error handling. This
10877 * function is called by the PCI subsystem after a PCI bus error affecting
10878 * this device has been detected. When this routine is invoked, it dispatches
10879 * the action to the proper SLI-3 or SLI-4 device error detected handling
10880 * routine, which will perform the proper error detected operation.
10881 *
10882 * Return codes
10883 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10884 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10885 **/
10886static pci_ers_result_t
10887lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
10888{
10889 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10890 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10891 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
10892
10893 switch (phba->pci_dev_grp) {
10894 case LPFC_PCI_DEV_LP:
10895 rc = lpfc_io_error_detected_s3(pdev, state);
10896 break;
da0436e9
JS		 10897 case LPFC_PCI_DEV_OC:
10898 rc = lpfc_io_error_detected_s4(pdev, state);
10899 break;
3772a991
JS		 10900 default:
10901 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10902 "1427 Invalid PCI device group: 0x%x\n",
10903 phba->pci_dev_grp);
10904 break;
10905 }
10906 return rc;
10907}
10908
10909/**
10910 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
10911 * @pdev: pointer to PCI device.
10912 *
10913 * This routine is registered to the PCI subsystem for error handling. This
10914 * function is called after PCI bus has been reset to restart the PCI card
10915 * from scratch, as if from a cold-boot. When this routine is invoked, it
10916 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
10917 * routine, which will perform the proper device reset.
10918 *
10919 * Return codes
10920 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10921 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10922 **/
10923static pci_ers_result_t
10924lpfc_io_slot_reset(struct pci_dev *pdev)
10925{
10926 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10927 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10928 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
10929
10930 switch (phba->pci_dev_grp) {
10931 case LPFC_PCI_DEV_LP:
10932 rc = lpfc_io_slot_reset_s3(pdev);
10933 break;
da0436e9
JS		 10934 case LPFC_PCI_DEV_OC:
10935 rc = lpfc_io_slot_reset_s4(pdev);
10936 break;
3772a991
JS		 10937 default:
10938 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10939 "1428 Invalid PCI device group: 0x%x\n",
10940 phba->pci_dev_grp);
10941 break;
10942 }
10943 return rc;
10944}
10945
10946/**
10947 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
10948 * @pdev: pointer to PCI device
10949 *
10950 * This routine is registered to the PCI subsystem for error handling. It
10951 * is called when kernel error recovery tells the lpfc driver that it is
10952 * OK to resume normal PCI operation after PCI bus error recovery. When
10953 * this routine is invoked, it dispatches the action to the proper SLI-3
10954 * or SLI-4 device io_resume routine, which will resume the device operation.
10955 **/
10956static void
10957lpfc_io_resume(struct pci_dev *pdev)
10958{
10959 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10960 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10961
10962 switch (phba->pci_dev_grp) {
10963 case LPFC_PCI_DEV_LP:
10964 lpfc_io_resume_s3(pdev);
10965 break;
da0436e9
JS		 10966 case LPFC_PCI_DEV_OC:
10967 lpfc_io_resume_s4(pdev);
10968 break;
3772a991
JS		 10969 default:
10970 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10971 "1429 Invalid PCI device group: 0x%x\n",
10972 phba->pci_dev_grp);
10973 break;
10974 }
10975 return;
10976}
10977
1ba981fd
JS		 10978/**
10979 * lpfc_sli4_oas_verify - Verify OAS is supported by this adapter
10980 * @phba: pointer to lpfc hba data structure.
10981 *
10982 * This routine checks to see if OAS is supported for this adapter. If
10983 * supported, the configure Flash Optimized Fabric flag is set. Otherwise,
10984 * the enable oas flag is cleared and the pool created for OAS device data
10985 * is destroyed.
10986 *
10987 **/
10988void
10989lpfc_sli4_oas_verify(struct lpfc_hba *phba)
10990{
10991
10992 if (!phba->cfg_EnableXLane)
10993 return;
10994
10995 if (phba->sli4_hba.pc_sli4_params.oas_supported) {
10996 phba->cfg_fof = 1;
10997 } else {
f38fa0bb 10998 phba->cfg_fof = 0;
1ba981fd
JS		 10999 if (phba->device_data_mem_pool)
11000 mempool_destroy(phba->device_data_mem_pool);
11001 phba->device_data_mem_pool = NULL;
11002 }
11003
11004 return;
11005}
11006
11007/**
11008 * lpfc_fof_queue_setup - Set up all the fof queues
11009 * @phba: pointer to lpfc hba data structure.
11010 *
11011 * This routine is invoked to set up all the fof queues for the FC HBA
11012 * operation.
11013 *
11014 * Return codes
11015 * 0 - successful
11016 * -ENOMEM - No available memory
11017 **/
11018int
11019lpfc_fof_queue_setup(struct lpfc_hba *phba)
11020{
11021 struct lpfc_sli *psli = &phba->sli;
11022 int rc;
11023
11024 rc = lpfc_eq_create(phba, phba->sli4_hba.fof_eq, LPFC_MAX_IMAX);
11025 if (rc)
11026 return -ENOMEM;
11027
f38fa0bb 11028 if (phba->cfg_fof) {
1ba981fd
JS		 11029
11030 rc = lpfc_cq_create(phba, phba->sli4_hba.oas_cq,
11031 phba->sli4_hba.fof_eq, LPFC_WCQ, LPFC_FCP);
11032 if (rc)
11033 goto out_oas_cq;
11034
11035 rc = lpfc_wq_create(phba, phba->sli4_hba.oas_wq,
11036 phba->sli4_hba.oas_cq, LPFC_FCP);
11037 if (rc)
11038 goto out_oas_wq;
11039
11040 phba->sli4_hba.oas_cq->pring = &psli->ring[LPFC_FCP_OAS_RING];
11041 phba->sli4_hba.oas_ring = &psli->ring[LPFC_FCP_OAS_RING];
11042 }
11043
11044 return 0;
11045
11046out_oas_wq:
f38fa0bb 11047 lpfc_cq_destroy(phba, phba->sli4_hba.oas_cq);
1ba981fd
JS		 11048out_oas_cq:
11049 lpfc_eq_destroy(phba, phba->sli4_hba.fof_eq);
11050 return rc;
11051
11052}
11053
11054/**
11055 * lpfc_fof_queue_create - Create all the fof queues
11056 * @phba: pointer to lpfc hba data structure.
11057 *
11058 * This routine is invoked to allocate all the fof queues for the FC HBA
11059 * operation. For each SLI4 queue type, the parameters such as queue entry
11060 * count (queue depth) shall be taken from the module parameter. For now,
11061 * we just use some constant number as place holder.
11062 *
11063 * Return codes
11064 * 0 - successful
11065 * -ENOMEM - No availble memory
11066 * -EIO - The mailbox failed to complete successfully.
11067 **/
11068int
11069lpfc_fof_queue_create(struct lpfc_hba *phba)
11070{
11071 struct lpfc_queue *qdesc;
11072
11073 /* Create FOF EQ */
11074 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
11075 phba->sli4_hba.eq_ecount);
11076 if (!qdesc)
11077 goto out_error;
11078
11079 phba->sli4_hba.fof_eq = qdesc;
11080
f38fa0bb 11081 if (phba->cfg_fof) {
1ba981fd
JS		 11082
11083 /* Create OAS CQ */
11084 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
11085 phba->sli4_hba.cq_ecount);
11086 if (!qdesc)
11087 goto out_error;
11088
11089 phba->sli4_hba.oas_cq = qdesc;
11090
11091 /* Create OAS WQ */
11092 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
11093 phba->sli4_hba.wq_ecount);
11094 if (!qdesc)
11095 goto out_error;
11096
11097 phba->sli4_hba.oas_wq = qdesc;
11098
11099 }
11100 return 0;
11101
11102out_error:
11103 lpfc_fof_queue_destroy(phba);
11104 return -ENOMEM;
11105}
11106
11107/**
11108 * lpfc_fof_queue_destroy - Destroy all the fof queues
11109 * @phba: pointer to lpfc hba data structure.
11110 *
11111 * This routine is invoked to release all the SLI4 queues with the FC HBA
11112 * operation.
11113 *
11114 * Return codes
11115 * 0 - successful
11116 **/
11117int
11118lpfc_fof_queue_destroy(struct lpfc_hba *phba)
11119{
11120 /* Release FOF Event queue */
11121 if (phba->sli4_hba.fof_eq != NULL) {
11122 lpfc_sli4_queue_free(phba->sli4_hba.fof_eq);
11123 phba->sli4_hba.fof_eq = NULL;
11124 }
11125
11126 /* Release OAS Completion queue */
11127 if (phba->sli4_hba.oas_cq != NULL) {
11128 lpfc_sli4_queue_free(phba->sli4_hba.oas_cq);
11129 phba->sli4_hba.oas_cq = NULL;
11130 }
11131
11132 /* Release OAS Work queue */
11133 if (phba->sli4_hba.oas_wq != NULL) {
11134 lpfc_sli4_queue_free(phba->sli4_hba.oas_wq);
11135 phba->sli4_hba.oas_wq = NULL;
11136 }
11137 return 0;
11138}
11139
dea3101e 11140static struct pci_device_id lpfc_id_table[] = {
11141 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
11142 PCI_ANY_ID, PCI_ANY_ID, },
06325e74
JSEC		 11143 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
11144 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 11145 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
11146 PCI_ANY_ID, PCI_ANY_ID, },
11147 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
11148 PCI_ANY_ID, PCI_ANY_ID, },
11149 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
11150 PCI_ANY_ID, PCI_ANY_ID, },
11151 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
11152 PCI_ANY_ID, PCI_ANY_ID, },
11153 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
11154 PCI_ANY_ID, PCI_ANY_ID, },
11155 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
11156 PCI_ANY_ID, PCI_ANY_ID, },
11157 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
11158 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 11159 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
11160 PCI_ANY_ID, PCI_ANY_ID, },
11161 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
11162 PCI_ANY_ID, PCI_ANY_ID, },
11163 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
11164 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 11165 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
11166 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 11167 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
11168 PCI_ANY_ID, PCI_ANY_ID, },
11169 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
11170 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 11171 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
11172 PCI_ANY_ID, PCI_ANY_ID, },
11173 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
11174 PCI_ANY_ID, PCI_ANY_ID, },
11175 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
11176 PCI_ANY_ID, PCI_ANY_ID, },
84774a4d
JS		 11177 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET,
11178 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 11179 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
11180 PCI_ANY_ID, PCI_ANY_ID, },
11181 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
11182 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 11183 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
11184 PCI_ANY_ID, PCI_ANY_ID, },
11185 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
11186 PCI_ANY_ID, PCI_ANY_ID, },
11187 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
11188 PCI_ANY_ID, PCI_ANY_ID, },
11189 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
11190 PCI_ANY_ID, PCI_ANY_ID, },
11191 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
11192 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 11193 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
11194 PCI_ANY_ID, PCI_ANY_ID, },
11195 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
11196 PCI_ANY_ID, PCI_ANY_ID, },
b87eab38
JS		 11197 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
11198 PCI_ANY_ID, PCI_ANY_ID, },
11199 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
11200 PCI_ANY_ID, PCI_ANY_ID, },
11201 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
11202 PCI_ANY_ID, PCI_ANY_ID, },
11203 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
11204 PCI_ANY_ID, PCI_ANY_ID, },
11205 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
11206 PCI_ANY_ID, PCI_ANY_ID, },
11207 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
11208 PCI_ANY_ID, PCI_ANY_ID, },
84774a4d
JS		 11209 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF,
11210 PCI_ANY_ID, PCI_ANY_ID, },
11211 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF,
11212 PCI_ANY_ID, PCI_ANY_ID, },
11213 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S,
11214 PCI_ANY_ID, PCI_ANY_ID, },
3772a991
JS		 11215 {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TIGERSHARK,
11216 PCI_ANY_ID, PCI_ANY_ID, },
a747c9ce
JS		 11217 {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TOMCAT,
11218 PCI_ANY_ID, PCI_ANY_ID, },
11219 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FALCON,
6669f9bb 11220 PCI_ANY_ID, PCI_ANY_ID, },
98fc5dd9
JS		 11221 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BALIUS,
11222 PCI_ANY_ID, PCI_ANY_ID, },
085c647c
JS		 11223 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC,
11224 PCI_ANY_ID, PCI_ANY_ID, },
11225 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE,
11226 PCI_ANY_ID, PCI_ANY_ID, },
c0c11512
JS		 11227 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC_VF,
11228 PCI_ANY_ID, PCI_ANY_ID, },
11229 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE_VF,
11230 PCI_ANY_ID, PCI_ANY_ID, },
f8cafd38
JS		 11231 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK,
11232 PCI_ANY_ID, PCI_ANY_ID, },
11233 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK_VF,
11234 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 11235 { 0 }
11236};
11237
11238MODULE_DEVICE_TABLE(pci, lpfc_id_table);
11239
a55b2d21 11240static const struct pci_error_handlers lpfc_err_handler = {
8d63f375
LV		 11241 .error_detected = lpfc_io_error_detected,
11242 .slot_reset = lpfc_io_slot_reset,
11243 .resume = lpfc_io_resume,
11244};
11245
dea3101e 11246static struct pci_driver lpfc_driver = {
11247 .name = LPFC_DRIVER_NAME,
11248 .id_table = lpfc_id_table,
11249 .probe = lpfc_pci_probe_one,
6f039790 11250 .remove = lpfc_pci_remove_one,
3a55b532 11251 .suspend = lpfc_pci_suspend_one,
3772a991 11252 .resume = lpfc_pci_resume_one,
2e0fef85 11253 .err_handler = &lpfc_err_handler,
dea3101e 11254};
11255
3ef6d24c 11256static const struct file_operations lpfc_mgmt_fop = {
858feacd 11257 .owner = THIS_MODULE,
3ef6d24c
JS		 11258};
11259
11260static struct miscdevice lpfc_mgmt_dev = {
11261 .minor = MISC_DYNAMIC_MINOR,
11262 .name = "lpfcmgmt",
11263 .fops = &lpfc_mgmt_fop,
11264};
11265
e59058c4 11266/**
3621a710 11267 * lpfc_init - lpfc module initialization routine
e59058c4
JS		 11268 *
11269 * This routine is to be invoked when the lpfc module is loaded into the
11270 * kernel. The special kernel macro module_init() is used to indicate the
11271 * role of this routine to the kernel as lpfc module entry point.
11272 *
11273 * Return codes
11274 * 0 - successful
11275 * -ENOMEM - FC attach transport failed
11276 * all others - failed
11277 */
dea3101e 11278static int __init
11279lpfc_init(void)
11280{
7bb03bbf 11281 int cpu;
dea3101e 11282 int error = 0;
11283
11284 printk(LPFC_MODULE_DESC "\n");
c44ce173 11285 printk(LPFC_COPYRIGHT "\n");
dea3101e 11286
3ef6d24c
JS		 11287 error = misc_register(&lpfc_mgmt_dev);
11288 if (error)
11289 printk(KERN_ERR "Could not register lpfcmgmt device, "
11290 "misc_register returned with status %d", error);
11291
7ee5d43e
JS		 11292 if (lpfc_enable_npiv) {
11293 lpfc_transport_functions.vport_create = lpfc_vport_create;
11294 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
11295 }
dea3101e 11296 lpfc_transport_template =
11297 fc_attach_transport(&lpfc_transport_functions);
7ee5d43e 11298 if (lpfc_transport_template == NULL)
dea3101e 11299 return -ENOMEM;
7ee5d43e 11300 if (lpfc_enable_npiv) {
7ee5d43e 11301 lpfc_vport_transport_template =
98c9ea5c
JS		 11302 fc_attach_transport(&lpfc_vport_transport_functions);
11303 if (lpfc_vport_transport_template == NULL) {
11304 fc_release_transport(lpfc_transport_template);
7ee5d43e 11305 return -ENOMEM;
98c9ea5c 11306 }
7ee5d43e 11307 }
7bb03bbf
JS		 11308
11309 /* Initialize in case vector mapping is needed */
b246de17
JS		 11310 lpfc_used_cpu = NULL;
11311 lpfc_present_cpu = 0;
11312 for_each_present_cpu(cpu)
11313 lpfc_present_cpu++;
7bb03bbf 11314
dea3101e 11315 error = pci_register_driver(&lpfc_driver);
92d7f7b0 11316 if (error) {
dea3101e 11317 fc_release_transport(lpfc_transport_template);
d7c255b2
JS		 11318 if (lpfc_enable_npiv)
11319 fc_release_transport(lpfc_vport_transport_template);
92d7f7b0 11320 }
dea3101e 11321
11322 return error;
11323}
11324
e59058c4 11325/**
3621a710 11326 * lpfc_exit - lpfc module removal routine
e59058c4
JS		 11327 *
11328 * This routine is invoked when the lpfc module is removed from the kernel.
11329 * The special kernel macro module_exit() is used to indicate the role of
11330 * this routine to the kernel as lpfc module exit point.
11331 */
dea3101e 11332static void __exit
11333lpfc_exit(void)
11334{
3ef6d24c 11335 misc_deregister(&lpfc_mgmt_dev);
dea3101e 11336 pci_unregister_driver(&lpfc_driver);
11337 fc_release_transport(lpfc_transport_template);
7ee5d43e
JS		 11338 if (lpfc_enable_npiv)
11339 fc_release_transport(lpfc_vport_transport_template);
81301a9b 11340 if (_dump_buf_data) {
6a9c52cf
JS		 11341 printk(KERN_ERR "9062 BLKGRD: freeing %lu pages for "
11342 "_dump_buf_data at 0x%p\n",
81301a9b
JS		 11343 (1L << _dump_buf_data_order), _dump_buf_data);
11344 free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order);
11345 }
11346
11347 if (_dump_buf_dif) {
6a9c52cf
JS		 11348 printk(KERN_ERR "9049 BLKGRD: freeing %lu pages for "
11349 "_dump_buf_dif at 0x%p\n",
81301a9b
JS		 11350 (1L << _dump_buf_dif_order), _dump_buf_dif);
11351 free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order);
11352 }
b246de17 11353 kfree(lpfc_used_cpu);
dea3101e 11354}
11355
11356module_init(lpfc_init);
11357module_exit(lpfc_exit);
11358MODULE_LICENSE("GPL");
11359MODULE_DESCRIPTION(LPFC_MODULE_DESC);
11360MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
11361MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
Linux kernel - Deliverables
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