1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2009 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
9 * This program is free software; you can redistribute it and/or *
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. *
20 *******************************************************************/
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>
27 #include <linux/kthread.h>
28 #include <linux/pci.h>
29 #include <linux/spinlock.h>
30 #include <linux/ctype.h>
32 #include <scsi/scsi.h>
33 #include <scsi/scsi_device.h>
34 #include <scsi/scsi_host.h>
35 #include <scsi/scsi_transport_fc.h>
40 #include "lpfc_sli4.h"
42 #include "lpfc_disc.h"
43 #include "lpfc_scsi.h"
45 #include "lpfc_logmsg.h"
46 #include "lpfc_crtn.h"
47 #include "lpfc_vport.h"
48 #include "lpfc_version.h"
51 unsigned long _dump_buf_data_order;
53 unsigned long _dump_buf_dif_order;
54 spinlock_t _dump_buf_lock;
56 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
57 static int lpfc_post_rcv_buf(struct lpfc_hba *);
58 static int lpfc_sli4_queue_create(struct lpfc_hba *);
59 static void lpfc_sli4_queue_destroy(struct lpfc_hba *);
60 static int lpfc_create_bootstrap_mbox(struct lpfc_hba *);
61 static int lpfc_setup_endian_order(struct lpfc_hba *);
62 static int lpfc_sli4_read_config(struct lpfc_hba *);
63 static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba *);
64 static void lpfc_free_sgl_list(struct lpfc_hba *);
65 static int lpfc_init_sgl_list(struct lpfc_hba *);
66 static int lpfc_init_active_sgl_array(struct lpfc_hba *);
67 static void lpfc_free_active_sgl(struct lpfc_hba *);
68 static int lpfc_hba_down_post_s3(struct lpfc_hba *phba);
69 static int lpfc_hba_down_post_s4(struct lpfc_hba *phba);
70 static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba *);
71 static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *);
72 static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *);
74 static struct scsi_transport_template *lpfc_transport_template = NULL;
75 static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
76 static DEFINE_IDR(lpfc_hba_index);
79 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
80 * @phba: pointer to lpfc hba data structure.
82 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
83 * mailbox command. It retrieves the revision information from the HBA and
84 * collects the Vital Product Data (VPD) about the HBA for preparing the
85 * configuration of the HBA.
89 * -ERESTART - requests the SLI layer to reset the HBA and try again.
90 * Any other value - indicates an error.
93 lpfc_config_port_prep(struct lpfc_hba *phba)
95 lpfc_vpd_t *vp = &phba->vpd;
99 char *lpfc_vpd_data = NULL;
101 static char licensed[56] =
102 "key unlock for use with gnu public licensed code only\0";
103 static int init_key = 1;
105 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
107 phba->link_state = LPFC_HBA_ERROR;
112 phba->link_state = LPFC_INIT_MBX_CMDS;
114 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
116 uint32_t *ptext = (uint32_t *) licensed;
118 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
119 *ptext = cpu_to_be32(*ptext);
123 lpfc_read_nv(phba, pmb);
124 memset((char*)mb->un.varRDnvp.rsvd3, 0,
125 sizeof (mb->un.varRDnvp.rsvd3));
126 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
129 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
131 if (rc != MBX_SUCCESS) {
132 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
133 "0324 Config Port initialization "
134 "error, mbxCmd x%x READ_NVPARM, "
136 mb->mbxCommand, mb->mbxStatus);
137 mempool_free(pmb, phba->mbox_mem_pool);
140 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
142 memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
146 phba->sli3_options = 0x0;
148 /* Setup and issue mailbox READ REV command */
149 lpfc_read_rev(phba, pmb);
150 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
151 if (rc != MBX_SUCCESS) {
152 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
153 "0439 Adapter failed to init, mbxCmd x%x "
154 "READ_REV, mbxStatus x%x\n",
155 mb->mbxCommand, mb->mbxStatus);
156 mempool_free( pmb, phba->mbox_mem_pool);
162 * The value of rr must be 1 since the driver set the cv field to 1.
163 * This setting requires the FW to set all revision fields.
165 if (mb->un.varRdRev.rr == 0) {
167 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
168 "0440 Adapter failed to init, READ_REV has "
169 "missing revision information.\n");
170 mempool_free(pmb, phba->mbox_mem_pool);
174 if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) {
175 mempool_free(pmb, phba->mbox_mem_pool);
179 /* Save information as VPD data */
181 memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
182 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
183 memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
184 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
185 memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
186 vp->rev.biuRev = mb->un.varRdRev.biuRev;
187 vp->rev.smRev = mb->un.varRdRev.smRev;
188 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
189 vp->rev.endecRev = mb->un.varRdRev.endecRev;
190 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
191 vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
192 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
193 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
194 vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
195 vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
197 /* If the sli feature level is less then 9, we must
198 * tear down all RPIs and VPIs on link down if NPIV
201 if (vp->rev.feaLevelHigh < 9)
202 phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
204 if (lpfc_is_LC_HBA(phba->pcidev->device))
205 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
206 sizeof (phba->RandomData));
208 /* Get adapter VPD information */
209 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
214 lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD);
215 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
217 if (rc != MBX_SUCCESS) {
218 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
219 "0441 VPD not present on adapter, "
220 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
221 mb->mbxCommand, mb->mbxStatus);
222 mb->un.varDmp.word_cnt = 0;
224 /* dump mem may return a zero when finished or we got a
225 * mailbox error, either way we are done.
227 if (mb->un.varDmp.word_cnt == 0)
229 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
230 mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
231 lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET,
232 lpfc_vpd_data + offset,
233 mb->un.varDmp.word_cnt);
234 offset += mb->un.varDmp.word_cnt;
235 } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
236 lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
238 kfree(lpfc_vpd_data);
240 mempool_free(pmb, phba->mbox_mem_pool);
245 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
246 * @phba: pointer to lpfc hba data structure.
247 * @pmboxq: pointer to the driver internal queue element for mailbox command.
249 * This is the completion handler for driver's configuring asynchronous event
250 * mailbox command to the device. If the mailbox command returns successfully,
251 * it will set internal async event support flag to 1; otherwise, it will
252 * set internal async event support flag to 0.
255 lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
257 if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS)
258 phba->temp_sensor_support = 1;
260 phba->temp_sensor_support = 0;
261 mempool_free(pmboxq, phba->mbox_mem_pool);
266 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
267 * @phba: pointer to lpfc hba data structure.
268 * @pmboxq: pointer to the driver internal queue element for mailbox command.
270 * This is the completion handler for dump mailbox command for getting
271 * wake up parameters. When this command complete, the response contain
272 * Option rom version of the HBA. This function translate the version number
273 * into a human readable string and store it in OptionROMVersion.
276 lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
279 uint32_t prog_id_word;
281 /* character array used for decoding dist type. */
282 char dist_char[] = "nabx";
284 if (pmboxq->u.mb.mbxStatus != MBX_SUCCESS) {
285 mempool_free(pmboxq, phba->mbox_mem_pool);
289 prg = (struct prog_id *) &prog_id_word;
291 /* word 7 contain option rom version */
292 prog_id_word = pmboxq->u.mb.un.varWords[7];
294 /* Decode the Option rom version word to a readable string */
296 dist = dist_char[prg->dist];
298 if ((prg->dist == 3) && (prg->num == 0))
299 sprintf(phba->OptionROMVersion, "%d.%d%d",
300 prg->ver, prg->rev, prg->lev);
302 sprintf(phba->OptionROMVersion, "%d.%d%d%c%d",
303 prg->ver, prg->rev, prg->lev,
305 mempool_free(pmboxq, phba->mbox_mem_pool);
310 * lpfc_config_port_post - Perform lpfc initialization after config port
311 * @phba: pointer to lpfc hba data structure.
313 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
314 * command call. It performs all internal resource and state setups on the
315 * port: post IOCB buffers, enable appropriate host interrupt attentions,
316 * ELS ring timers, etc.
320 * Any other value - error.
323 lpfc_config_port_post(struct lpfc_hba *phba)
325 struct lpfc_vport *vport = phba->pport;
326 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
329 struct lpfc_dmabuf *mp;
330 struct lpfc_sli *psli = &phba->sli;
331 uint32_t status, timeout;
335 spin_lock_irq(&phba->hbalock);
337 * If the Config port completed correctly the HBA is not
338 * over heated any more.
340 if (phba->over_temp_state == HBA_OVER_TEMP)
341 phba->over_temp_state = HBA_NORMAL_TEMP;
342 spin_unlock_irq(&phba->hbalock);
344 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
346 phba->link_state = LPFC_HBA_ERROR;
351 /* Get login parameters for NID. */
352 lpfc_read_sparam(phba, pmb, 0);
354 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
355 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
356 "0448 Adapter failed init, mbxCmd x%x "
357 "READ_SPARM mbxStatus x%x\n",
358 mb->mbxCommand, mb->mbxStatus);
359 phba->link_state = LPFC_HBA_ERROR;
360 mp = (struct lpfc_dmabuf *) pmb->context1;
361 mempool_free( pmb, phba->mbox_mem_pool);
362 lpfc_mbuf_free(phba, mp->virt, mp->phys);
367 mp = (struct lpfc_dmabuf *) pmb->context1;
369 memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
370 lpfc_mbuf_free(phba, mp->virt, mp->phys);
372 pmb->context1 = NULL;
374 if (phba->cfg_soft_wwnn)
375 u64_to_wwn(phba->cfg_soft_wwnn,
376 vport->fc_sparam.nodeName.u.wwn);
377 if (phba->cfg_soft_wwpn)
378 u64_to_wwn(phba->cfg_soft_wwpn,
379 vport->fc_sparam.portName.u.wwn);
380 memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
381 sizeof (struct lpfc_name));
382 memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
383 sizeof (struct lpfc_name));
385 /* Update the fc_host data structures with new wwn. */
386 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
387 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
388 fc_host_max_npiv_vports(shost) = phba->max_vpi;
390 /* If no serial number in VPD data, use low 6 bytes of WWNN */
391 /* This should be consolidated into parse_vpd ? - mr */
392 if (phba->SerialNumber[0] == 0) {
395 outptr = &vport->fc_nodename.u.s.IEEE[0];
396 for (i = 0; i < 12; i++) {
398 j = ((status & 0xf0) >> 4);
400 phba->SerialNumber[i] =
401 (char)((uint8_t) 0x30 + (uint8_t) j);
403 phba->SerialNumber[i] =
404 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
408 phba->SerialNumber[i] =
409 (char)((uint8_t) 0x30 + (uint8_t) j);
411 phba->SerialNumber[i] =
412 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
416 lpfc_read_config(phba, pmb);
418 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
419 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
420 "0453 Adapter failed to init, mbxCmd x%x "
421 "READ_CONFIG, mbxStatus x%x\n",
422 mb->mbxCommand, mb->mbxStatus);
423 phba->link_state = LPFC_HBA_ERROR;
424 mempool_free( pmb, phba->mbox_mem_pool);
428 /* Check if the port is disabled */
429 lpfc_sli_read_link_ste(phba);
431 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
432 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
433 phba->cfg_hba_queue_depth =
434 (mb->un.varRdConfig.max_xri + 1) -
435 lpfc_sli4_get_els_iocb_cnt(phba);
437 phba->lmt = mb->un.varRdConfig.lmt;
439 /* Get the default values for Model Name and Description */
440 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
442 if ((phba->cfg_link_speed > LINK_SPEED_10G)
443 || ((phba->cfg_link_speed == LINK_SPEED_1G)
444 && !(phba->lmt & LMT_1Gb))
445 || ((phba->cfg_link_speed == LINK_SPEED_2G)
446 && !(phba->lmt & LMT_2Gb))
447 || ((phba->cfg_link_speed == LINK_SPEED_4G)
448 && !(phba->lmt & LMT_4Gb))
449 || ((phba->cfg_link_speed == LINK_SPEED_8G)
450 && !(phba->lmt & LMT_8Gb))
451 || ((phba->cfg_link_speed == LINK_SPEED_10G)
452 && !(phba->lmt & LMT_10Gb))) {
453 /* Reset link speed to auto */
454 lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT,
455 "1302 Invalid speed for this board: "
456 "Reset link speed to auto: x%x\n",
457 phba->cfg_link_speed);
458 phba->cfg_link_speed = LINK_SPEED_AUTO;
461 phba->link_state = LPFC_LINK_DOWN;
463 /* Only process IOCBs on ELS ring till hba_state is READY */
464 if (psli->ring[psli->extra_ring].cmdringaddr)
465 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
466 if (psli->ring[psli->fcp_ring].cmdringaddr)
467 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
468 if (psli->ring[psli->next_ring].cmdringaddr)
469 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
471 /* Post receive buffers for desired rings */
472 if (phba->sli_rev != 3)
473 lpfc_post_rcv_buf(phba);
476 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
478 if (phba->intr_type == MSIX) {
479 rc = lpfc_config_msi(phba, pmb);
481 mempool_free(pmb, phba->mbox_mem_pool);
484 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
485 if (rc != MBX_SUCCESS) {
486 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
487 "0352 Config MSI mailbox command "
488 "failed, mbxCmd x%x, mbxStatus x%x\n",
489 pmb->u.mb.mbxCommand,
490 pmb->u.mb.mbxStatus);
491 mempool_free(pmb, phba->mbox_mem_pool);
496 spin_lock_irq(&phba->hbalock);
497 /* Initialize ERATT handling flag */
498 phba->hba_flag &= ~HBA_ERATT_HANDLED;
500 /* Enable appropriate host interrupts */
501 status = readl(phba->HCregaddr);
502 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
503 if (psli->num_rings > 0)
504 status |= HC_R0INT_ENA;
505 if (psli->num_rings > 1)
506 status |= HC_R1INT_ENA;
507 if (psli->num_rings > 2)
508 status |= HC_R2INT_ENA;
509 if (psli->num_rings > 3)
510 status |= HC_R3INT_ENA;
512 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
513 (phba->cfg_poll & DISABLE_FCP_RING_INT))
514 status &= ~(HC_R0INT_ENA);
516 writel(status, phba->HCregaddr);
517 readl(phba->HCregaddr); /* flush */
518 spin_unlock_irq(&phba->hbalock);
520 /* Set up ring-0 (ELS) timer */
521 timeout = phba->fc_ratov * 2;
522 mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
523 /* Set up heart beat (HB) timer */
524 mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
525 phba->hb_outstanding = 0;
526 phba->last_completion_time = jiffies;
527 /* Set up error attention (ERATT) polling timer */
528 mod_timer(&phba->eratt_poll, jiffies + HZ * LPFC_ERATT_POLL_INTERVAL);
530 if (phba->hba_flag & LINK_DISABLED) {
531 lpfc_printf_log(phba,
533 "2598 Adapter Link is disabled.\n");
534 lpfc_down_link(phba, pmb);
535 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
536 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
537 if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
538 lpfc_printf_log(phba,
540 "2599 Adapter failed to issue DOWN_LINK"
541 " mbox command rc 0x%x\n", rc);
543 mempool_free(pmb, phba->mbox_mem_pool);
547 lpfc_init_link(phba, pmb, phba->cfg_topology,
548 phba->cfg_link_speed);
549 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
550 lpfc_set_loopback_flag(phba);
551 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
552 if (rc != MBX_SUCCESS) {
553 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
554 "0454 Adapter failed to init, mbxCmd x%x "
555 "INIT_LINK, mbxStatus x%x\n",
556 mb->mbxCommand, mb->mbxStatus);
558 /* Clear all interrupt enable conditions */
559 writel(0, phba->HCregaddr);
560 readl(phba->HCregaddr); /* flush */
561 /* Clear all pending interrupts */
562 writel(0xffffffff, phba->HAregaddr);
563 readl(phba->HAregaddr); /* flush */
565 phba->link_state = LPFC_HBA_ERROR;
567 mempool_free(pmb, phba->mbox_mem_pool);
571 /* MBOX buffer will be freed in mbox compl */
572 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
573 lpfc_config_async(phba, pmb, LPFC_ELS_RING);
574 pmb->mbox_cmpl = lpfc_config_async_cmpl;
575 pmb->vport = phba->pport;
576 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
578 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
579 lpfc_printf_log(phba,
582 "0456 Adapter failed to issue "
583 "ASYNCEVT_ENABLE mbox status x%x \n.",
585 mempool_free(pmb, phba->mbox_mem_pool);
588 /* Get Option rom version */
589 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
590 lpfc_dump_wakeup_param(phba, pmb);
591 pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl;
592 pmb->vport = phba->pport;
593 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
595 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
596 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed "
597 "to get Option ROM version status x%x\n.", rc);
598 mempool_free(pmb, phba->mbox_mem_pool);
605 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
606 * @phba: pointer to lpfc HBA data structure.
608 * This routine will do LPFC uninitialization before the HBA is reset when
609 * bringing down the SLI Layer.
613 * Any other value - error.
616 lpfc_hba_down_prep(struct lpfc_hba *phba)
618 struct lpfc_vport **vports;
621 if (phba->sli_rev <= LPFC_SLI_REV3) {
622 /* Disable interrupts */
623 writel(0, phba->HCregaddr);
624 readl(phba->HCregaddr); /* flush */
627 if (phba->pport->load_flag & FC_UNLOADING)
628 lpfc_cleanup_discovery_resources(phba->pport);
630 vports = lpfc_create_vport_work_array(phba);
632 for (i = 0; i <= phba->max_vports &&
633 vports[i] != NULL; i++)
634 lpfc_cleanup_discovery_resources(vports[i]);
635 lpfc_destroy_vport_work_array(phba, vports);
641 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
642 * @phba: pointer to lpfc HBA data structure.
644 * This routine will do uninitialization after the HBA is reset when bring
645 * down the SLI Layer.
649 * Any other value - error.
652 lpfc_hba_down_post_s3(struct lpfc_hba *phba)
654 struct lpfc_sli *psli = &phba->sli;
655 struct lpfc_sli_ring *pring;
656 struct lpfc_dmabuf *mp, *next_mp;
657 LIST_HEAD(completions);
660 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
661 lpfc_sli_hbqbuf_free_all(phba);
663 /* Cleanup preposted buffers on the ELS ring */
664 pring = &psli->ring[LPFC_ELS_RING];
665 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
667 pring->postbufq_cnt--;
668 lpfc_mbuf_free(phba, mp->virt, mp->phys);
673 spin_lock_irq(&phba->hbalock);
674 for (i = 0; i < psli->num_rings; i++) {
675 pring = &psli->ring[i];
677 /* At this point in time the HBA is either reset or DOA. Either
678 * way, nothing should be on txcmplq as it will NEVER complete.
680 list_splice_init(&pring->txcmplq, &completions);
681 pring->txcmplq_cnt = 0;
682 spin_unlock_irq(&phba->hbalock);
684 /* Cancel all the IOCBs from the completions list */
685 lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
688 lpfc_sli_abort_iocb_ring(phba, pring);
689 spin_lock_irq(&phba->hbalock);
691 spin_unlock_irq(&phba->hbalock);
696 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
697 * @phba: pointer to lpfc HBA data structure.
699 * This routine will do uninitialization after the HBA is reset when bring
700 * down the SLI Layer.
704 * Any other value - error.
707 lpfc_hba_down_post_s4(struct lpfc_hba *phba)
709 struct lpfc_scsi_buf *psb, *psb_next;
712 unsigned long iflag = 0;
713 ret = lpfc_hba_down_post_s3(phba);
716 /* At this point in time the HBA is either reset or DOA. Either
717 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
718 * on the lpfc_sgl_list so that it can either be freed if the
719 * driver is unloading or reposted if the driver is restarting
722 spin_lock_irq(&phba->hbalock); /* required for lpfc_sgl_list and */
724 /* abts_sgl_list_lock required because worker thread uses this
727 spin_lock(&phba->sli4_hba.abts_sgl_list_lock);
728 list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list,
729 &phba->sli4_hba.lpfc_sgl_list);
730 spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
731 /* abts_scsi_buf_list_lock required because worker thread uses this
734 spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock);
735 list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list,
737 spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock);
738 spin_unlock_irq(&phba->hbalock);
740 list_for_each_entry_safe(psb, psb_next, &aborts, list) {
742 psb->status = IOSTAT_SUCCESS;
744 spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag);
745 list_splice(&aborts, &phba->lpfc_scsi_buf_list);
746 spin_unlock_irqrestore(&phba->scsi_buf_list_lock, iflag);
751 * lpfc_hba_down_post - Wrapper func for hba down post routine
752 * @phba: pointer to lpfc HBA data structure.
754 * This routine wraps the actual SLI3 or SLI4 routine for performing
755 * uninitialization after the HBA is reset when bring down the SLI Layer.
759 * Any other value - error.
762 lpfc_hba_down_post(struct lpfc_hba *phba)
764 return (*phba->lpfc_hba_down_post)(phba);
768 * lpfc_hb_timeout - The HBA-timer timeout handler
769 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
771 * This is the HBA-timer timeout handler registered to the lpfc driver. When
772 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
773 * work-port-events bitmap and the worker thread is notified. This timeout
774 * event will be used by the worker thread to invoke the actual timeout
775 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
776 * be performed in the timeout handler and the HBA timeout event bit shall
777 * be cleared by the worker thread after it has taken the event bitmap out.
780 lpfc_hb_timeout(unsigned long ptr)
782 struct lpfc_hba *phba;
786 phba = (struct lpfc_hba *)ptr;
788 /* Check for heart beat timeout conditions */
789 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
790 tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO;
792 phba->pport->work_port_events |= WORKER_HB_TMO;
793 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
795 /* Tell the worker thread there is work to do */
797 lpfc_worker_wake_up(phba);
802 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
803 * @phba: pointer to lpfc hba data structure.
804 * @pmboxq: pointer to the driver internal queue element for mailbox command.
806 * This is the callback function to the lpfc heart-beat mailbox command.
807 * If configured, the lpfc driver issues the heart-beat mailbox command to
808 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
809 * heart-beat mailbox command is issued, the driver shall set up heart-beat
810 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
811 * heart-beat outstanding state. Once the mailbox command comes back and
812 * no error conditions detected, the heart-beat mailbox command timer is
813 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
814 * state is cleared for the next heart-beat. If the timer expired with the
815 * heart-beat outstanding state set, the driver will put the HBA offline.
818 lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
820 unsigned long drvr_flag;
822 spin_lock_irqsave(&phba->hbalock, drvr_flag);
823 phba->hb_outstanding = 0;
824 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
826 /* Check and reset heart-beat timer is necessary */
827 mempool_free(pmboxq, phba->mbox_mem_pool);
828 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
829 !(phba->link_state == LPFC_HBA_ERROR) &&
830 !(phba->pport->load_flag & FC_UNLOADING))
831 mod_timer(&phba->hb_tmofunc,
832 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
837 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
838 * @phba: pointer to lpfc hba data structure.
840 * This is the actual HBA-timer timeout handler to be invoked by the worker
841 * thread whenever the HBA timer fired and HBA-timeout event posted. This
842 * handler performs any periodic operations needed for the device. If such
843 * periodic event has already been attended to either in the interrupt handler
844 * or by processing slow-ring or fast-ring events within the HBA-timer
845 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
846 * the timer for the next timeout period. If lpfc heart-beat mailbox command
847 * is configured and there is no heart-beat mailbox command outstanding, a
848 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
849 * has been a heart-beat mailbox command outstanding, the HBA shall be put
853 lpfc_hb_timeout_handler(struct lpfc_hba *phba)
855 LPFC_MBOXQ_t *pmboxq;
856 struct lpfc_dmabuf *buf_ptr;
858 struct lpfc_sli *psli = &phba->sli;
859 LIST_HEAD(completions);
861 if ((phba->link_state == LPFC_HBA_ERROR) ||
862 (phba->pport->load_flag & FC_UNLOADING) ||
863 (phba->pport->fc_flag & FC_OFFLINE_MODE))
866 spin_lock_irq(&phba->pport->work_port_lock);
868 if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
870 spin_unlock_irq(&phba->pport->work_port_lock);
871 if (!phba->hb_outstanding)
872 mod_timer(&phba->hb_tmofunc,
873 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
875 mod_timer(&phba->hb_tmofunc,
876 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
879 spin_unlock_irq(&phba->pport->work_port_lock);
881 if (phba->elsbuf_cnt &&
882 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
883 spin_lock_irq(&phba->hbalock);
884 list_splice_init(&phba->elsbuf, &completions);
885 phba->elsbuf_cnt = 0;
886 phba->elsbuf_prev_cnt = 0;
887 spin_unlock_irq(&phba->hbalock);
889 while (!list_empty(&completions)) {
890 list_remove_head(&completions, buf_ptr,
891 struct lpfc_dmabuf, list);
892 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
896 phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
898 /* If there is no heart beat outstanding, issue a heartbeat command */
899 if (phba->cfg_enable_hba_heartbeat) {
900 if (!phba->hb_outstanding) {
901 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
903 mod_timer(&phba->hb_tmofunc,
904 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
908 lpfc_heart_beat(phba, pmboxq);
909 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
910 pmboxq->vport = phba->pport;
911 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
913 if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
914 mempool_free(pmboxq, phba->mbox_mem_pool);
915 mod_timer(&phba->hb_tmofunc,
916 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
919 mod_timer(&phba->hb_tmofunc,
920 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
921 phba->hb_outstanding = 1;
925 * If heart beat timeout called with hb_outstanding set
926 * we need to take the HBA offline.
928 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
929 "0459 Adapter heartbeat failure, "
930 "taking this port offline.\n");
932 spin_lock_irq(&phba->hbalock);
933 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
934 spin_unlock_irq(&phba->hbalock);
936 lpfc_offline_prep(phba);
938 lpfc_unblock_mgmt_io(phba);
939 phba->link_state = LPFC_HBA_ERROR;
940 lpfc_hba_down_post(phba);
946 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
947 * @phba: pointer to lpfc hba data structure.
949 * This routine is called to bring the HBA offline when HBA hardware error
950 * other than Port Error 6 has been detected.
953 lpfc_offline_eratt(struct lpfc_hba *phba)
955 struct lpfc_sli *psli = &phba->sli;
957 spin_lock_irq(&phba->hbalock);
958 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
959 spin_unlock_irq(&phba->hbalock);
960 lpfc_offline_prep(phba);
963 lpfc_reset_barrier(phba);
964 spin_lock_irq(&phba->hbalock);
965 lpfc_sli_brdreset(phba);
966 spin_unlock_irq(&phba->hbalock);
967 lpfc_hba_down_post(phba);
968 lpfc_sli_brdready(phba, HS_MBRDY);
969 lpfc_unblock_mgmt_io(phba);
970 phba->link_state = LPFC_HBA_ERROR;
975 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
976 * @phba: pointer to lpfc hba data structure.
978 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
979 * other than Port Error 6 has been detected.
982 lpfc_sli4_offline_eratt(struct lpfc_hba *phba)
984 lpfc_offline_prep(phba);
986 lpfc_sli4_brdreset(phba);
987 lpfc_hba_down_post(phba);
988 lpfc_sli4_post_status_check(phba);
989 lpfc_unblock_mgmt_io(phba);
990 phba->link_state = LPFC_HBA_ERROR;
994 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
995 * @phba: pointer to lpfc hba data structure.
997 * This routine is invoked to handle the deferred HBA hardware error
998 * conditions. This type of error is indicated by HBA by setting ER1
999 * and another ER bit in the host status register. The driver will
1000 * wait until the ER1 bit clears before handling the error condition.
1003 lpfc_handle_deferred_eratt(struct lpfc_hba *phba)
1005 uint32_t old_host_status = phba->work_hs;
1006 struct lpfc_sli_ring *pring;
1007 struct lpfc_sli *psli = &phba->sli;
1009 /* If the pci channel is offline, ignore possible errors,
1010 * since we cannot communicate with the pci card anyway.
1012 if (pci_channel_offline(phba->pcidev)) {
1013 spin_lock_irq(&phba->hbalock);
1014 phba->hba_flag &= ~DEFER_ERATT;
1015 spin_unlock_irq(&phba->hbalock);
1019 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1020 "0479 Deferred Adapter Hardware Error "
1021 "Data: x%x x%x x%x\n",
1023 phba->work_status[0], phba->work_status[1]);
1025 spin_lock_irq(&phba->hbalock);
1026 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
1027 spin_unlock_irq(&phba->hbalock);
1031 * Firmware stops when it triggred erratt. That could cause the I/Os
1032 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1033 * SCSI layer retry it after re-establishing link.
1035 pring = &psli->ring[psli->fcp_ring];
1036 lpfc_sli_abort_iocb_ring(phba, pring);
1039 * There was a firmware error. Take the hba offline and then
1040 * attempt to restart it.
1042 lpfc_offline_prep(phba);
1045 /* Wait for the ER1 bit to clear.*/
1046 while (phba->work_hs & HS_FFER1) {
1048 phba->work_hs = readl(phba->HSregaddr);
1049 /* If driver is unloading let the worker thread continue */
1050 if (phba->pport->load_flag & FC_UNLOADING) {
1057 * This is to ptrotect against a race condition in which
1058 * first write to the host attention register clear the
1059 * host status register.
1061 if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING)))
1062 phba->work_hs = old_host_status & ~HS_FFER1;
1064 spin_lock_irq(&phba->hbalock);
1065 phba->hba_flag &= ~DEFER_ERATT;
1066 spin_unlock_irq(&phba->hbalock);
1067 phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
1068 phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
1072 lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba)
1074 struct lpfc_board_event_header board_event;
1075 struct Scsi_Host *shost;
1077 board_event.event_type = FC_REG_BOARD_EVENT;
1078 board_event.subcategory = LPFC_EVENT_PORTINTERR;
1079 shost = lpfc_shost_from_vport(phba->pport);
1080 fc_host_post_vendor_event(shost, fc_get_event_number(),
1081 sizeof(board_event),
1082 (char *) &board_event,
1087 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
1088 * @phba: pointer to lpfc hba data structure.
1090 * This routine is invoked to handle the following HBA hardware error
1092 * 1 - HBA error attention interrupt
1093 * 2 - DMA ring index out of range
1094 * 3 - Mailbox command came back as unknown
1097 lpfc_handle_eratt_s3(struct lpfc_hba *phba)
1099 struct lpfc_vport *vport = phba->pport;
1100 struct lpfc_sli *psli = &phba->sli;
1101 struct lpfc_sli_ring *pring;
1102 uint32_t event_data;
1103 unsigned long temperature;
1104 struct temp_event temp_event_data;
1105 struct Scsi_Host *shost;
1107 /* If the pci channel is offline, ignore possible errors,
1108 * since we cannot communicate with the pci card anyway.
1110 if (pci_channel_offline(phba->pcidev)) {
1111 spin_lock_irq(&phba->hbalock);
1112 phba->hba_flag &= ~DEFER_ERATT;
1113 spin_unlock_irq(&phba->hbalock);
1117 /* If resets are disabled then leave the HBA alone and return */
1118 if (!phba->cfg_enable_hba_reset)
1121 /* Send an internal error event to mgmt application */
1122 lpfc_board_errevt_to_mgmt(phba);
1124 if (phba->hba_flag & DEFER_ERATT)
1125 lpfc_handle_deferred_eratt(phba);
1127 if (phba->work_hs & HS_FFER6) {
1128 /* Re-establishing Link */
1129 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
1130 "1301 Re-establishing Link "
1131 "Data: x%x x%x x%x\n",
1133 phba->work_status[0], phba->work_status[1]);
1135 spin_lock_irq(&phba->hbalock);
1136 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
1137 spin_unlock_irq(&phba->hbalock);
1140 * Firmware stops when it triggled erratt with HS_FFER6.
1141 * That could cause the I/Os dropped by the firmware.
1142 * Error iocb (I/O) on txcmplq and let the SCSI layer
1143 * retry it after re-establishing link.
1145 pring = &psli->ring[psli->fcp_ring];
1146 lpfc_sli_abort_iocb_ring(phba, pring);
1149 * There was a firmware error. Take the hba offline and then
1150 * attempt to restart it.
1152 lpfc_offline_prep(phba);
1154 lpfc_sli_brdrestart(phba);
1155 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
1156 lpfc_unblock_mgmt_io(phba);
1159 lpfc_unblock_mgmt_io(phba);
1160 } else if (phba->work_hs & HS_CRIT_TEMP) {
1161 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
1162 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
1163 temp_event_data.event_code = LPFC_CRIT_TEMP;
1164 temp_event_data.data = (uint32_t)temperature;
1166 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1167 "0406 Adapter maximum temperature exceeded "
1168 "(%ld), taking this port offline "
1169 "Data: x%x x%x x%x\n",
1170 temperature, phba->work_hs,
1171 phba->work_status[0], phba->work_status[1]);
1173 shost = lpfc_shost_from_vport(phba->pport);
1174 fc_host_post_vendor_event(shost, fc_get_event_number(),
1175 sizeof(temp_event_data),
1176 (char *) &temp_event_data,
1177 SCSI_NL_VID_TYPE_PCI
1178 | PCI_VENDOR_ID_EMULEX);
1180 spin_lock_irq(&phba->hbalock);
1181 phba->over_temp_state = HBA_OVER_TEMP;
1182 spin_unlock_irq(&phba->hbalock);
1183 lpfc_offline_eratt(phba);
1186 /* The if clause above forces this code path when the status
1187 * failure is a value other than FFER6. Do not call the offline
1188 * twice. This is the adapter hardware error path.
1190 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1191 "0457 Adapter Hardware Error "
1192 "Data: x%x x%x x%x\n",
1194 phba->work_status[0], phba->work_status[1]);
1196 event_data = FC_REG_DUMP_EVENT;
1197 shost = lpfc_shost_from_vport(vport);
1198 fc_host_post_vendor_event(shost, fc_get_event_number(),
1199 sizeof(event_data), (char *) &event_data,
1200 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
1202 lpfc_offline_eratt(phba);
1208 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1209 * @phba: pointer to lpfc hba data structure.
1211 * This routine is invoked to handle the SLI4 HBA hardware error attention
1215 lpfc_handle_eratt_s4(struct lpfc_hba *phba)
1217 struct lpfc_vport *vport = phba->pport;
1218 uint32_t event_data;
1219 struct Scsi_Host *shost;
1221 /* If the pci channel is offline, ignore possible errors, since
1222 * we cannot communicate with the pci card anyway.
1224 if (pci_channel_offline(phba->pcidev))
1226 /* If resets are disabled then leave the HBA alone and return */
1227 if (!phba->cfg_enable_hba_reset)
1230 /* Send an internal error event to mgmt application */
1231 lpfc_board_errevt_to_mgmt(phba);
1233 /* For now, the actual action for SLI4 device handling is not
1234 * specified yet, just treated it as adaptor hardware failure
1236 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1237 "0143 SLI4 Adapter Hardware Error Data: x%x x%x\n",
1238 phba->work_status[0], phba->work_status[1]);
1240 event_data = FC_REG_DUMP_EVENT;
1241 shost = lpfc_shost_from_vport(vport);
1242 fc_host_post_vendor_event(shost, fc_get_event_number(),
1243 sizeof(event_data), (char *) &event_data,
1244 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
1246 lpfc_sli4_offline_eratt(phba);
1250 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1251 * @phba: pointer to lpfc HBA data structure.
1253 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1254 * routine from the API jump table function pointer from the lpfc_hba struct.
1258 * Any other value - error.
1261 lpfc_handle_eratt(struct lpfc_hba *phba)
1263 (*phba->lpfc_handle_eratt)(phba);
1267 * lpfc_handle_latt - The HBA link event handler
1268 * @phba: pointer to lpfc hba data structure.
1270 * This routine is invoked from the worker thread to handle a HBA host
1271 * attention link event.
1274 lpfc_handle_latt(struct lpfc_hba *phba)
1276 struct lpfc_vport *vport = phba->pport;
1277 struct lpfc_sli *psli = &phba->sli;
1279 volatile uint32_t control;
1280 struct lpfc_dmabuf *mp;
1283 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1286 goto lpfc_handle_latt_err_exit;
1289 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1292 goto lpfc_handle_latt_free_pmb;
1295 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
1298 goto lpfc_handle_latt_free_mp;
1301 /* Cleanup any outstanding ELS commands */
1302 lpfc_els_flush_all_cmd(phba);
1304 psli->slistat.link_event++;
1305 lpfc_read_la(phba, pmb, mp);
1306 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
1308 /* Block ELS IOCBs until we have processed this mbox command */
1309 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
1310 rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
1311 if (rc == MBX_NOT_FINISHED) {
1313 goto lpfc_handle_latt_free_mbuf;
1316 /* Clear Link Attention in HA REG */
1317 spin_lock_irq(&phba->hbalock);
1318 writel(HA_LATT, phba->HAregaddr);
1319 readl(phba->HAregaddr); /* flush */
1320 spin_unlock_irq(&phba->hbalock);
1324 lpfc_handle_latt_free_mbuf:
1325 phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT;
1326 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1327 lpfc_handle_latt_free_mp:
1329 lpfc_handle_latt_free_pmb:
1330 mempool_free(pmb, phba->mbox_mem_pool);
1331 lpfc_handle_latt_err_exit:
1332 /* Enable Link attention interrupts */
1333 spin_lock_irq(&phba->hbalock);
1334 psli->sli_flag |= LPFC_PROCESS_LA;
1335 control = readl(phba->HCregaddr);
1336 control |= HC_LAINT_ENA;
1337 writel(control, phba->HCregaddr);
1338 readl(phba->HCregaddr); /* flush */
1340 /* Clear Link Attention in HA REG */
1341 writel(HA_LATT, phba->HAregaddr);
1342 readl(phba->HAregaddr); /* flush */
1343 spin_unlock_irq(&phba->hbalock);
1344 lpfc_linkdown(phba);
1345 phba->link_state = LPFC_HBA_ERROR;
1347 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1348 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);
1354 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
1355 * @phba: pointer to lpfc hba data structure.
1356 * @vpd: pointer to the vital product data.
1357 * @len: length of the vital product data in bytes.
1359 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1360 * an array of characters. In this routine, the ModelName, ProgramType, and
1361 * ModelDesc, etc. fields of the phba data structure will be populated.
1364 * 0 - pointer to the VPD passed in is NULL
1368 lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
1370 uint8_t lenlo, lenhi;
1380 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1381 "0455 Vital Product Data: x%x x%x x%x x%x\n",
1382 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
1384 while (!finished && (index < (len - 4))) {
1385 switch (vpd[index]) {
1393 i = ((((unsigned short)lenhi) << 8) + lenlo);
1402 Length = ((((unsigned short)lenhi) << 8) + lenlo);
1403 if (Length > len - index)
1404 Length = len - index;
1405 while (Length > 0) {
1406 /* Look for Serial Number */
1407 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
1414 phba->SerialNumber[j++] = vpd[index++];
1418 phba->SerialNumber[j] = 0;
1421 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
1422 phba->vpd_flag |= VPD_MODEL_DESC;
1429 phba->ModelDesc[j++] = vpd[index++];
1433 phba->ModelDesc[j] = 0;
1436 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
1437 phba->vpd_flag |= VPD_MODEL_NAME;
1444 phba->ModelName[j++] = vpd[index++];
1448 phba->ModelName[j] = 0;
1451 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
1452 phba->vpd_flag |= VPD_PROGRAM_TYPE;
1459 phba->ProgramType[j++] = vpd[index++];
1463 phba->ProgramType[j] = 0;
1466 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
1467 phba->vpd_flag |= VPD_PORT;
1474 phba->Port[j++] = vpd[index++];
1504 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
1505 * @phba: pointer to lpfc hba data structure.
1506 * @mdp: pointer to the data structure to hold the derived model name.
1507 * @descp: pointer to the data structure to hold the derived description.
1509 * This routine retrieves HBA's description based on its registered PCI device
1510 * ID. The @descp passed into this function points to an array of 256 chars. It
1511 * shall be returned with the model name, maximum speed, and the host bus type.
1512 * The @mdp passed into this function points to an array of 80 chars. When the
1513 * function returns, the @mdp will be filled with the model name.
1516 lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
1519 uint16_t dev_id = phba->pcidev->device;
1522 int oneConnect = 0; /* default is not a oneConnect */
1527 } m = {"<Unknown>", 0, ""};
1529 if (mdp && mdp[0] != '\0'
1530 && descp && descp[0] != '\0')
1533 if (phba->lmt & LMT_10Gb)
1535 else if (phba->lmt & LMT_8Gb)
1537 else if (phba->lmt & LMT_4Gb)
1539 else if (phba->lmt & LMT_2Gb)
1547 case PCI_DEVICE_ID_FIREFLY:
1548 m = (typeof(m)){"LP6000", max_speed, "PCI"};
1550 case PCI_DEVICE_ID_SUPERFLY:
1551 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
1552 m = (typeof(m)){"LP7000", max_speed, "PCI"};
1554 m = (typeof(m)){"LP7000E", max_speed, "PCI"};
1556 case PCI_DEVICE_ID_DRAGONFLY:
1557 m = (typeof(m)){"LP8000", max_speed, "PCI"};
1559 case PCI_DEVICE_ID_CENTAUR:
1560 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
1561 m = (typeof(m)){"LP9002", max_speed, "PCI"};
1563 m = (typeof(m)){"LP9000", max_speed, "PCI"};
1565 case PCI_DEVICE_ID_RFLY:
1566 m = (typeof(m)){"LP952", max_speed, "PCI"};
1568 case PCI_DEVICE_ID_PEGASUS:
1569 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
1571 case PCI_DEVICE_ID_THOR:
1572 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
1574 case PCI_DEVICE_ID_VIPER:
1575 m = (typeof(m)){"LPX1000", max_speed, "PCI-X"};
1577 case PCI_DEVICE_ID_PFLY:
1578 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
1580 case PCI_DEVICE_ID_TFLY:
1581 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
1583 case PCI_DEVICE_ID_HELIOS:
1584 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
1586 case PCI_DEVICE_ID_HELIOS_SCSP:
1587 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
1589 case PCI_DEVICE_ID_HELIOS_DCSP:
1590 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
1592 case PCI_DEVICE_ID_NEPTUNE:
1593 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
1595 case PCI_DEVICE_ID_NEPTUNE_SCSP:
1596 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
1598 case PCI_DEVICE_ID_NEPTUNE_DCSP:
1599 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
1601 case PCI_DEVICE_ID_BMID:
1602 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
1604 case PCI_DEVICE_ID_BSMB:
1605 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
1607 case PCI_DEVICE_ID_ZEPHYR:
1608 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1610 case PCI_DEVICE_ID_ZEPHYR_SCSP:
1611 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1613 case PCI_DEVICE_ID_ZEPHYR_DCSP:
1614 m = (typeof(m)){"LP2105", max_speed, "PCIe"};
1617 case PCI_DEVICE_ID_ZMID:
1618 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
1620 case PCI_DEVICE_ID_ZSMB:
1621 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
1623 case PCI_DEVICE_ID_LP101:
1624 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
1626 case PCI_DEVICE_ID_LP10000S:
1627 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
1629 case PCI_DEVICE_ID_LP11000S:
1630 m = (typeof(m)){"LP11000-S", max_speed,
1633 case PCI_DEVICE_ID_LPE11000S:
1634 m = (typeof(m)){"LPe11000-S", max_speed,
1637 case PCI_DEVICE_ID_SAT:
1638 m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
1640 case PCI_DEVICE_ID_SAT_MID:
1641 m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
1643 case PCI_DEVICE_ID_SAT_SMB:
1644 m = (typeof(m)){"LPe121", max_speed, "PCIe"};
1646 case PCI_DEVICE_ID_SAT_DCSP:
1647 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
1649 case PCI_DEVICE_ID_SAT_SCSP:
1650 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
1652 case PCI_DEVICE_ID_SAT_S:
1653 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
1655 case PCI_DEVICE_ID_HORNET:
1656 m = (typeof(m)){"LP21000", max_speed, "PCIe"};
1659 case PCI_DEVICE_ID_PROTEUS_VF:
1660 m = (typeof(m)) {"LPev12000", max_speed, "PCIe IOV"};
1662 case PCI_DEVICE_ID_PROTEUS_PF:
1663 m = (typeof(m)) {"LPev12000", max_speed, "PCIe IOV"};
1665 case PCI_DEVICE_ID_PROTEUS_S:
1666 m = (typeof(m)) {"LPemv12002-S", max_speed, "PCIe IOV"};
1668 case PCI_DEVICE_ID_TIGERSHARK:
1670 m = (typeof(m)) {"OCe10100-F", max_speed, "PCIe"};
1673 m = (typeof(m)){ NULL };
1677 if (mdp && mdp[0] == '\0')
1678 snprintf(mdp, 79,"%s", m.name);
1679 /* oneConnect hba requires special processing, they are all initiators
1680 * and we put the port number on the end
1682 if (descp && descp[0] == '\0') {
1684 snprintf(descp, 255,
1685 "Emulex OneConnect %s, FCoE Initiator, Port %s",
1689 snprintf(descp, 255,
1690 "Emulex %s %d%s %s %s",
1691 m.name, m.max_speed,
1694 (GE) ? "FCoE Adapter" :
1695 "Fibre Channel Adapter");
1700 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
1701 * @phba: pointer to lpfc hba data structure.
1702 * @pring: pointer to a IOCB ring.
1703 * @cnt: the number of IOCBs to be posted to the IOCB ring.
1705 * This routine posts a given number of IOCBs with the associated DMA buffer
1706 * descriptors specified by the cnt argument to the given IOCB ring.
1709 * The number of IOCBs NOT able to be posted to the IOCB ring.
1712 lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt)
1715 struct lpfc_iocbq *iocb;
1716 struct lpfc_dmabuf *mp1, *mp2;
1718 cnt += pring->missbufcnt;
1720 /* While there are buffers to post */
1722 /* Allocate buffer for command iocb */
1723 iocb = lpfc_sli_get_iocbq(phba);
1725 pring->missbufcnt = cnt;
1730 /* 2 buffers can be posted per command */
1731 /* Allocate buffer to post */
1732 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1734 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
1735 if (!mp1 || !mp1->virt) {
1737 lpfc_sli_release_iocbq(phba, iocb);
1738 pring->missbufcnt = cnt;
1742 INIT_LIST_HEAD(&mp1->list);
1743 /* Allocate buffer to post */
1745 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1747 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1749 if (!mp2 || !mp2->virt) {
1751 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1753 lpfc_sli_release_iocbq(phba, iocb);
1754 pring->missbufcnt = cnt;
1758 INIT_LIST_HEAD(&mp2->list);
1763 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1764 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1765 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1766 icmd->ulpBdeCount = 1;
1769 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1770 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1771 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1773 icmd->ulpBdeCount = 2;
1776 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1779 if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) ==
1781 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1785 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1789 lpfc_sli_release_iocbq(phba, iocb);
1790 pring->missbufcnt = cnt;
1793 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1795 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1797 pring->missbufcnt = 0;
1802 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
1803 * @phba: pointer to lpfc hba data structure.
1805 * This routine posts initial receive IOCB buffers to the ELS ring. The
1806 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
1810 * 0 - success (currently always success)
1813 lpfc_post_rcv_buf(struct lpfc_hba *phba)
1815 struct lpfc_sli *psli = &phba->sli;
1817 /* Ring 0, ELS / CT buffers */
1818 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0);
1819 /* Ring 2 - FCP no buffers needed */
1824 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1827 * lpfc_sha_init - Set up initial array of hash table entries
1828 * @HashResultPointer: pointer to an array as hash table.
1830 * This routine sets up the initial values to the array of hash table entries
1834 lpfc_sha_init(uint32_t * HashResultPointer)
1836 HashResultPointer[0] = 0x67452301;
1837 HashResultPointer[1] = 0xEFCDAB89;
1838 HashResultPointer[2] = 0x98BADCFE;
1839 HashResultPointer[3] = 0x10325476;
1840 HashResultPointer[4] = 0xC3D2E1F0;
1844 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
1845 * @HashResultPointer: pointer to an initial/result hash table.
1846 * @HashWorkingPointer: pointer to an working hash table.
1848 * This routine iterates an initial hash table pointed by @HashResultPointer
1849 * with the values from the working hash table pointeed by @HashWorkingPointer.
1850 * The results are putting back to the initial hash table, returned through
1851 * the @HashResultPointer as the result hash table.
1854 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1858 uint32_t A, B, C, D, E;
1861 HashWorkingPointer[t] =
1863 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1865 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1866 } while (++t <= 79);
1868 A = HashResultPointer[0];
1869 B = HashResultPointer[1];
1870 C = HashResultPointer[2];
1871 D = HashResultPointer[3];
1872 E = HashResultPointer[4];
1876 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1877 } else if (t < 40) {
1878 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1879 } else if (t < 60) {
1880 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1882 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1884 TEMP += S(5, A) + E + HashWorkingPointer[t];
1890 } while (++t <= 79);
1892 HashResultPointer[0] += A;
1893 HashResultPointer[1] += B;
1894 HashResultPointer[2] += C;
1895 HashResultPointer[3] += D;
1896 HashResultPointer[4] += E;
1901 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
1902 * @RandomChallenge: pointer to the entry of host challenge random number array.
1903 * @HashWorking: pointer to the entry of the working hash array.
1905 * This routine calculates the working hash array referred by @HashWorking
1906 * from the challenge random numbers associated with the host, referred by
1907 * @RandomChallenge. The result is put into the entry of the working hash
1908 * array and returned by reference through @HashWorking.
1911 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1913 *HashWorking = (*RandomChallenge ^ *HashWorking);
1917 * lpfc_hba_init - Perform special handling for LC HBA initialization
1918 * @phba: pointer to lpfc hba data structure.
1919 * @hbainit: pointer to an array of unsigned 32-bit integers.
1921 * This routine performs the special handling for LC HBA initialization.
1924 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1927 uint32_t *HashWorking;
1928 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
1930 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
1934 HashWorking[0] = HashWorking[78] = *pwwnn++;
1935 HashWorking[1] = HashWorking[79] = *pwwnn;
1937 for (t = 0; t < 7; t++)
1938 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1940 lpfc_sha_init(hbainit);
1941 lpfc_sha_iterate(hbainit, HashWorking);
1946 * lpfc_cleanup - Performs vport cleanups before deleting a vport
1947 * @vport: pointer to a virtual N_Port data structure.
1949 * This routine performs the necessary cleanups before deleting the @vport.
1950 * It invokes the discovery state machine to perform necessary state
1951 * transitions and to release the ndlps associated with the @vport. Note,
1952 * the physical port is treated as @vport 0.
1955 lpfc_cleanup(struct lpfc_vport *vport)
1957 struct lpfc_hba *phba = vport->phba;
1958 struct lpfc_nodelist *ndlp, *next_ndlp;
1961 if (phba->link_state > LPFC_LINK_DOWN)
1962 lpfc_port_link_failure(vport);
1964 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1965 if (!NLP_CHK_NODE_ACT(ndlp)) {
1966 ndlp = lpfc_enable_node(vport, ndlp,
1967 NLP_STE_UNUSED_NODE);
1970 spin_lock_irq(&phba->ndlp_lock);
1971 NLP_SET_FREE_REQ(ndlp);
1972 spin_unlock_irq(&phba->ndlp_lock);
1973 /* Trigger the release of the ndlp memory */
1977 spin_lock_irq(&phba->ndlp_lock);
1978 if (NLP_CHK_FREE_REQ(ndlp)) {
1979 /* The ndlp should not be in memory free mode already */
1980 spin_unlock_irq(&phba->ndlp_lock);
1983 /* Indicate request for freeing ndlp memory */
1984 NLP_SET_FREE_REQ(ndlp);
1985 spin_unlock_irq(&phba->ndlp_lock);
1987 if (vport->port_type != LPFC_PHYSICAL_PORT &&
1988 ndlp->nlp_DID == Fabric_DID) {
1989 /* Just free up ndlp with Fabric_DID for vports */
1994 if (ndlp->nlp_type & NLP_FABRIC)
1995 lpfc_disc_state_machine(vport, ndlp, NULL,
1996 NLP_EVT_DEVICE_RECOVERY);
1998 lpfc_disc_state_machine(vport, ndlp, NULL,
2003 /* At this point, ALL ndlp's should be gone
2004 * because of the previous NLP_EVT_DEVICE_RM.
2005 * Lets wait for this to happen, if needed.
2007 while (!list_empty(&vport->fc_nodes)) {
2009 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
2010 "0233 Nodelist not empty\n");
2011 list_for_each_entry_safe(ndlp, next_ndlp,
2012 &vport->fc_nodes, nlp_listp) {
2013 lpfc_printf_vlog(ndlp->vport, KERN_ERR,
2015 "0282 did:x%x ndlp:x%p "
2016 "usgmap:x%x refcnt:%d\n",
2017 ndlp->nlp_DID, (void *)ndlp,
2020 &ndlp->kref.refcount));
2025 /* Wait for any activity on ndlps to settle */
2031 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2032 * @vport: pointer to a virtual N_Port data structure.
2034 * This routine stops all the timers associated with a @vport. This function
2035 * is invoked before disabling or deleting a @vport. Note that the physical
2036 * port is treated as @vport 0.
2039 lpfc_stop_vport_timers(struct lpfc_vport *vport)
2041 del_timer_sync(&vport->els_tmofunc);
2042 del_timer_sync(&vport->fc_fdmitmo);
2043 lpfc_can_disctmo(vport);
2048 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2049 * @phba: pointer to lpfc hba data structure.
2051 * This routine stops all the timers associated with a HBA. This function is
2052 * invoked before either putting a HBA offline or unloading the driver.
2055 lpfc_stop_hba_timers(struct lpfc_hba *phba)
2057 lpfc_stop_vport_timers(phba->pport);
2058 del_timer_sync(&phba->sli.mbox_tmo);
2059 del_timer_sync(&phba->fabric_block_timer);
2060 del_timer_sync(&phba->eratt_poll);
2061 del_timer_sync(&phba->hb_tmofunc);
2062 phba->hb_outstanding = 0;
2064 switch (phba->pci_dev_grp) {
2065 case LPFC_PCI_DEV_LP:
2066 /* Stop any LightPulse device specific driver timers */
2067 del_timer_sync(&phba->fcp_poll_timer);
2069 case LPFC_PCI_DEV_OC:
2070 /* Stop any OneConnect device sepcific driver timers */
2073 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2074 "0297 Invalid device group (x%x)\n",
2082 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2083 * @phba: pointer to lpfc hba data structure.
2085 * This routine marks a HBA's management interface as blocked. Once the HBA's
2086 * management interface is marked as blocked, all the user space access to
2087 * the HBA, whether they are from sysfs interface or libdfc interface will
2088 * all be blocked. The HBA is set to block the management interface when the
2089 * driver prepares the HBA interface for online or offline.
2092 lpfc_block_mgmt_io(struct lpfc_hba * phba)
2094 unsigned long iflag;
2096 spin_lock_irqsave(&phba->hbalock, iflag);
2097 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
2098 spin_unlock_irqrestore(&phba->hbalock, iflag);
2102 * lpfc_online - Initialize and bring a HBA online
2103 * @phba: pointer to lpfc hba data structure.
2105 * This routine initializes the HBA and brings a HBA online. During this
2106 * process, the management interface is blocked to prevent user space access
2107 * to the HBA interfering with the driver initialization.
2114 lpfc_online(struct lpfc_hba *phba)
2116 struct lpfc_vport *vport;
2117 struct lpfc_vport **vports;
2122 vport = phba->pport;
2124 if (!(vport->fc_flag & FC_OFFLINE_MODE))
2127 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
2128 "0458 Bring Adapter online\n");
2130 lpfc_block_mgmt_io(phba);
2132 if (!lpfc_sli_queue_setup(phba)) {
2133 lpfc_unblock_mgmt_io(phba);
2137 if (phba->sli_rev == LPFC_SLI_REV4) {
2138 if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */
2139 lpfc_unblock_mgmt_io(phba);
2143 if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */
2144 lpfc_unblock_mgmt_io(phba);
2149 vports = lpfc_create_vport_work_array(phba);
2151 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2152 struct Scsi_Host *shost;
2153 shost = lpfc_shost_from_vport(vports[i]);
2154 spin_lock_irq(shost->host_lock);
2155 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
2156 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
2157 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
2158 spin_unlock_irq(shost->host_lock);
2160 lpfc_destroy_vport_work_array(phba, vports);
2162 lpfc_unblock_mgmt_io(phba);
2167 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
2168 * @phba: pointer to lpfc hba data structure.
2170 * This routine marks a HBA's management interface as not blocked. Once the
2171 * HBA's management interface is marked as not blocked, all the user space
2172 * access to the HBA, whether they are from sysfs interface or libdfc
2173 * interface will be allowed. The HBA is set to block the management interface
2174 * when the driver prepares the HBA interface for online or offline and then
2175 * set to unblock the management interface afterwards.
2178 lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
2180 unsigned long iflag;
2182 spin_lock_irqsave(&phba->hbalock, iflag);
2183 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
2184 spin_unlock_irqrestore(&phba->hbalock, iflag);
2188 * lpfc_offline_prep - Prepare a HBA to be brought offline
2189 * @phba: pointer to lpfc hba data structure.
2191 * This routine is invoked to prepare a HBA to be brought offline. It performs
2192 * unregistration login to all the nodes on all vports and flushes the mailbox
2193 * queue to make it ready to be brought offline.
2196 lpfc_offline_prep(struct lpfc_hba * phba)
2198 struct lpfc_vport *vport = phba->pport;
2199 struct lpfc_nodelist *ndlp, *next_ndlp;
2200 struct lpfc_vport **vports;
2203 if (vport->fc_flag & FC_OFFLINE_MODE)
2206 lpfc_block_mgmt_io(phba);
2208 lpfc_linkdown(phba);
2210 /* Issue an unreg_login to all nodes on all vports */
2211 vports = lpfc_create_vport_work_array(phba);
2212 if (vports != NULL) {
2213 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2214 struct Scsi_Host *shost;
2216 if (vports[i]->load_flag & FC_UNLOADING)
2218 vports[i]->vfi_state &= ~LPFC_VFI_REGISTERED;
2219 shost = lpfc_shost_from_vport(vports[i]);
2220 list_for_each_entry_safe(ndlp, next_ndlp,
2221 &vports[i]->fc_nodes,
2223 if (!NLP_CHK_NODE_ACT(ndlp))
2225 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
2227 if (ndlp->nlp_type & NLP_FABRIC) {
2228 lpfc_disc_state_machine(vports[i], ndlp,
2229 NULL, NLP_EVT_DEVICE_RECOVERY);
2230 lpfc_disc_state_machine(vports[i], ndlp,
2231 NULL, NLP_EVT_DEVICE_RM);
2233 spin_lock_irq(shost->host_lock);
2234 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
2235 spin_unlock_irq(shost->host_lock);
2236 lpfc_unreg_rpi(vports[i], ndlp);
2240 lpfc_destroy_vport_work_array(phba, vports);
2242 lpfc_sli_mbox_sys_shutdown(phba);
2246 * lpfc_offline - Bring a HBA offline
2247 * @phba: pointer to lpfc hba data structure.
2249 * This routine actually brings a HBA offline. It stops all the timers
2250 * associated with the HBA, brings down the SLI layer, and eventually
2251 * marks the HBA as in offline state for the upper layer protocol.
2254 lpfc_offline(struct lpfc_hba *phba)
2256 struct Scsi_Host *shost;
2257 struct lpfc_vport **vports;
2260 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
2263 /* stop port and all timers associated with this hba */
2264 lpfc_stop_port(phba);
2265 vports = lpfc_create_vport_work_array(phba);
2267 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
2268 lpfc_stop_vport_timers(vports[i]);
2269 lpfc_destroy_vport_work_array(phba, vports);
2270 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
2271 "0460 Bring Adapter offline\n");
2272 /* Bring down the SLI Layer and cleanup. The HBA is offline
2274 lpfc_sli_hba_down(phba);
2275 spin_lock_irq(&phba->hbalock);
2277 spin_unlock_irq(&phba->hbalock);
2278 vports = lpfc_create_vport_work_array(phba);
2280 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2281 shost = lpfc_shost_from_vport(vports[i]);
2282 spin_lock_irq(shost->host_lock);
2283 vports[i]->work_port_events = 0;
2284 vports[i]->fc_flag |= FC_OFFLINE_MODE;
2285 spin_unlock_irq(shost->host_lock);
2287 lpfc_destroy_vport_work_array(phba, vports);
2291 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
2292 * @phba: pointer to lpfc hba data structure.
2294 * This routine is to free all the SCSI buffers and IOCBs from the driver
2295 * list back to kernel. It is called from lpfc_pci_remove_one to free
2296 * the internal resources before the device is removed from the system.
2299 * 0 - successful (for now, it always returns 0)
2302 lpfc_scsi_free(struct lpfc_hba *phba)
2304 struct lpfc_scsi_buf *sb, *sb_next;
2305 struct lpfc_iocbq *io, *io_next;
2307 spin_lock_irq(&phba->hbalock);
2308 /* Release all the lpfc_scsi_bufs maintained by this host. */
2309 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
2310 list_del(&sb->list);
2311 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
2314 phba->total_scsi_bufs--;
2317 /* Release all the lpfc_iocbq entries maintained by this host. */
2318 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
2319 list_del(&io->list);
2321 phba->total_iocbq_bufs--;
2324 spin_unlock_irq(&phba->hbalock);
2330 * lpfc_create_port - Create an FC port
2331 * @phba: pointer to lpfc hba data structure.
2332 * @instance: a unique integer ID to this FC port.
2333 * @dev: pointer to the device data structure.
2335 * This routine creates a FC port for the upper layer protocol. The FC port
2336 * can be created on top of either a physical port or a virtual port provided
2337 * by the HBA. This routine also allocates a SCSI host data structure (shost)
2338 * and associates the FC port created before adding the shost into the SCSI
2342 * @vport - pointer to the virtual N_Port data structure.
2343 * NULL - port create failed.
2346 lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
2348 struct lpfc_vport *vport;
2349 struct Scsi_Host *shost;
2352 if (dev != &phba->pcidev->dev)
2353 shost = scsi_host_alloc(&lpfc_vport_template,
2354 sizeof(struct lpfc_vport));
2356 shost = scsi_host_alloc(&lpfc_template,
2357 sizeof(struct lpfc_vport));
2361 vport = (struct lpfc_vport *) shost->hostdata;
2363 vport->load_flag |= FC_LOADING;
2364 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
2365 vport->fc_rscn_flush = 0;
2367 lpfc_get_vport_cfgparam(vport);
2368 shost->unique_id = instance;
2369 shost->max_id = LPFC_MAX_TARGET;
2370 shost->max_lun = vport->cfg_max_luns;
2371 shost->this_id = -1;
2372 shost->max_cmd_len = 16;
2373 if (phba->sli_rev == LPFC_SLI_REV4) {
2374 shost->dma_boundary = LPFC_SLI4_MAX_SEGMENT_SIZE;
2375 shost->sg_tablesize = phba->cfg_sg_seg_cnt;
2379 * Set initial can_queue value since 0 is no longer supported and
2380 * scsi_add_host will fail. This will be adjusted later based on the
2381 * max xri value determined in hba setup.
2383 shost->can_queue = phba->cfg_hba_queue_depth - 10;
2384 if (dev != &phba->pcidev->dev) {
2385 shost->transportt = lpfc_vport_transport_template;
2386 vport->port_type = LPFC_NPIV_PORT;
2388 shost->transportt = lpfc_transport_template;
2389 vport->port_type = LPFC_PHYSICAL_PORT;
2392 /* Initialize all internally managed lists. */
2393 INIT_LIST_HEAD(&vport->fc_nodes);
2394 INIT_LIST_HEAD(&vport->rcv_buffer_list);
2395 spin_lock_init(&vport->work_port_lock);
2397 init_timer(&vport->fc_disctmo);
2398 vport->fc_disctmo.function = lpfc_disc_timeout;
2399 vport->fc_disctmo.data = (unsigned long)vport;
2401 init_timer(&vport->fc_fdmitmo);
2402 vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
2403 vport->fc_fdmitmo.data = (unsigned long)vport;
2405 init_timer(&vport->els_tmofunc);
2406 vport->els_tmofunc.function = lpfc_els_timeout;
2407 vport->els_tmofunc.data = (unsigned long)vport;
2409 error = scsi_add_host(shost, dev);
2413 spin_lock_irq(&phba->hbalock);
2414 list_add_tail(&vport->listentry, &phba->port_list);
2415 spin_unlock_irq(&phba->hbalock);
2419 scsi_host_put(shost);
2425 * destroy_port - destroy an FC port
2426 * @vport: pointer to an lpfc virtual N_Port data structure.
2428 * This routine destroys a FC port from the upper layer protocol. All the
2429 * resources associated with the port are released.
2432 destroy_port(struct lpfc_vport *vport)
2434 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2435 struct lpfc_hba *phba = vport->phba;
2437 lpfc_debugfs_terminate(vport);
2438 fc_remove_host(shost);
2439 scsi_remove_host(shost);
2441 spin_lock_irq(&phba->hbalock);
2442 list_del_init(&vport->listentry);
2443 spin_unlock_irq(&phba->hbalock);
2445 lpfc_cleanup(vport);
2450 * lpfc_get_instance - Get a unique integer ID
2452 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
2453 * uses the kernel idr facility to perform the task.
2456 * instance - a unique integer ID allocated as the new instance.
2457 * -1 - lpfc get instance failed.
2460 lpfc_get_instance(void)
2464 /* Assign an unused number */
2465 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
2467 if (idr_get_new(&lpfc_hba_index, NULL, &instance))
2473 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
2474 * @shost: pointer to SCSI host data structure.
2475 * @time: elapsed time of the scan in jiffies.
2477 * This routine is called by the SCSI layer with a SCSI host to determine
2478 * whether the scan host is finished.
2480 * Note: there is no scan_start function as adapter initialization will have
2481 * asynchronously kicked off the link initialization.
2484 * 0 - SCSI host scan is not over yet.
2485 * 1 - SCSI host scan is over.
2487 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
2489 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2490 struct lpfc_hba *phba = vport->phba;
2493 spin_lock_irq(shost->host_lock);
2495 if (vport->load_flag & FC_UNLOADING) {
2499 if (time >= 30 * HZ) {
2500 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2501 "0461 Scanning longer than 30 "
2502 "seconds. Continuing initialization\n");
2506 if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
2507 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2508 "0465 Link down longer than 15 "
2509 "seconds. Continuing initialization\n");
2514 if (vport->port_state != LPFC_VPORT_READY)
2516 if (vport->num_disc_nodes || vport->fc_prli_sent)
2518 if (vport->fc_map_cnt == 0 && time < 2 * HZ)
2520 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
2526 spin_unlock_irq(shost->host_lock);
2531 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
2532 * @shost: pointer to SCSI host data structure.
2534 * This routine initializes a given SCSI host attributes on a FC port. The
2535 * SCSI host can be either on top of a physical port or a virtual port.
2537 void lpfc_host_attrib_init(struct Scsi_Host *shost)
2539 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2540 struct lpfc_hba *phba = vport->phba;
2542 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
2545 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
2546 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
2547 fc_host_supported_classes(shost) = FC_COS_CLASS3;
2549 memset(fc_host_supported_fc4s(shost), 0,
2550 sizeof(fc_host_supported_fc4s(shost)));
2551 fc_host_supported_fc4s(shost)[2] = 1;
2552 fc_host_supported_fc4s(shost)[7] = 1;
2554 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
2555 sizeof fc_host_symbolic_name(shost));
2557 fc_host_supported_speeds(shost) = 0;
2558 if (phba->lmt & LMT_10Gb)
2559 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
2560 if (phba->lmt & LMT_8Gb)
2561 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
2562 if (phba->lmt & LMT_4Gb)
2563 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
2564 if (phba->lmt & LMT_2Gb)
2565 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
2566 if (phba->lmt & LMT_1Gb)
2567 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
2569 fc_host_maxframe_size(shost) =
2570 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
2571 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
2573 /* This value is also unchanging */
2574 memset(fc_host_active_fc4s(shost), 0,
2575 sizeof(fc_host_active_fc4s(shost)));
2576 fc_host_active_fc4s(shost)[2] = 1;
2577 fc_host_active_fc4s(shost)[7] = 1;
2579 fc_host_max_npiv_vports(shost) = phba->max_vpi;
2580 spin_lock_irq(shost->host_lock);
2581 vport->load_flag &= ~FC_LOADING;
2582 spin_unlock_irq(shost->host_lock);
2586 * lpfc_stop_port_s3 - Stop SLI3 device port
2587 * @phba: pointer to lpfc hba data structure.
2589 * This routine is invoked to stop an SLI3 device port, it stops the device
2590 * from generating interrupts and stops the device driver's timers for the
2594 lpfc_stop_port_s3(struct lpfc_hba *phba)
2596 /* Clear all interrupt enable conditions */
2597 writel(0, phba->HCregaddr);
2598 readl(phba->HCregaddr); /* flush */
2599 /* Clear all pending interrupts */
2600 writel(0xffffffff, phba->HAregaddr);
2601 readl(phba->HAregaddr); /* flush */
2603 /* Reset some HBA SLI setup states */
2604 lpfc_stop_hba_timers(phba);
2605 phba->pport->work_port_events = 0;
2609 * lpfc_stop_port_s4 - Stop SLI4 device port
2610 * @phba: pointer to lpfc hba data structure.
2612 * This routine is invoked to stop an SLI4 device port, it stops the device
2613 * from generating interrupts and stops the device driver's timers for the
2617 lpfc_stop_port_s4(struct lpfc_hba *phba)
2619 /* Reset some HBA SLI4 setup states */
2620 lpfc_stop_hba_timers(phba);
2621 phba->pport->work_port_events = 0;
2622 phba->sli4_hba.intr_enable = 0;
2623 /* Hard clear it for now, shall have more graceful way to wait later */
2624 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
2628 * lpfc_stop_port - Wrapper function for stopping hba port
2629 * @phba: Pointer to HBA context object.
2631 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
2632 * the API jump table function pointer from the lpfc_hba struct.
2635 lpfc_stop_port(struct lpfc_hba *phba)
2637 phba->lpfc_stop_port(phba);
2641 * lpfc_sli4_remove_dflt_fcf - Remove the driver default fcf record from the port.
2642 * @phba: pointer to lpfc hba data structure.
2644 * This routine is invoked to remove the driver default fcf record from
2645 * the port. This routine currently acts on FCF Index 0.
2649 lpfc_sli_remove_dflt_fcf(struct lpfc_hba *phba)
2652 LPFC_MBOXQ_t *mboxq;
2653 struct lpfc_mbx_del_fcf_tbl_entry *del_fcf_record;
2654 uint32_t mbox_tmo, req_len;
2655 uint32_t shdr_status, shdr_add_status;
2657 mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2659 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2660 "2020 Failed to allocate mbox for ADD_FCF cmd\n");
2664 req_len = sizeof(struct lpfc_mbx_del_fcf_tbl_entry) -
2665 sizeof(struct lpfc_sli4_cfg_mhdr);
2666 rc = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
2667 LPFC_MBOX_OPCODE_FCOE_DELETE_FCF,
2668 req_len, LPFC_SLI4_MBX_EMBED);
2670 * In phase 1, there is a single FCF index, 0. In phase2, the driver
2671 * supports multiple FCF indices.
2673 del_fcf_record = &mboxq->u.mqe.un.del_fcf_entry;
2674 bf_set(lpfc_mbx_del_fcf_tbl_count, del_fcf_record, 1);
2675 bf_set(lpfc_mbx_del_fcf_tbl_index, del_fcf_record,
2676 phba->fcf.fcf_indx);
2678 if (!phba->sli4_hba.intr_enable)
2679 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
2681 mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
2682 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
2684 /* The IOCTL status is embedded in the mailbox subheader. */
2685 shdr_status = bf_get(lpfc_mbox_hdr_status,
2686 &del_fcf_record->header.cfg_shdr.response);
2687 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
2688 &del_fcf_record->header.cfg_shdr.response);
2689 if (shdr_status || shdr_add_status || rc != MBX_SUCCESS) {
2690 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2691 "2516 DEL FCF of default FCF Index failed "
2692 "mbx status x%x, status x%x add_status x%x\n",
2693 rc, shdr_status, shdr_add_status);
2695 if (rc != MBX_TIMEOUT)
2696 mempool_free(mboxq, phba->mbox_mem_pool);
2700 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
2701 * @phba: pointer to lpfc hba data structure.
2702 * @acqe_link: pointer to the async link completion queue entry.
2704 * This routine is to parse the SLI4 link-attention link fault code and
2705 * translate it into the base driver's read link attention mailbox command
2708 * Return: Link-attention status in terms of base driver's coding.
2711 lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba,
2712 struct lpfc_acqe_link *acqe_link)
2714 uint16_t latt_fault;
2716 switch (bf_get(lpfc_acqe_link_fault, acqe_link)) {
2717 case LPFC_ASYNC_LINK_FAULT_NONE:
2718 case LPFC_ASYNC_LINK_FAULT_LOCAL:
2719 case LPFC_ASYNC_LINK_FAULT_REMOTE:
2723 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2724 "0398 Invalid link fault code: x%x\n",
2725 bf_get(lpfc_acqe_link_fault, acqe_link));
2726 latt_fault = MBXERR_ERROR;
2733 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
2734 * @phba: pointer to lpfc hba data structure.
2735 * @acqe_link: pointer to the async link completion queue entry.
2737 * This routine is to parse the SLI4 link attention type and translate it
2738 * into the base driver's link attention type coding.
2740 * Return: Link attention type in terms of base driver's coding.
2743 lpfc_sli4_parse_latt_type(struct lpfc_hba *phba,
2744 struct lpfc_acqe_link *acqe_link)
2748 switch (bf_get(lpfc_acqe_link_status, acqe_link)) {
2749 case LPFC_ASYNC_LINK_STATUS_DOWN:
2750 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN:
2751 att_type = AT_LINK_DOWN;
2753 case LPFC_ASYNC_LINK_STATUS_UP:
2754 /* Ignore physical link up events - wait for logical link up */
2755 att_type = AT_RESERVED;
2757 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP:
2758 att_type = AT_LINK_UP;
2761 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2762 "0399 Invalid link attention type: x%x\n",
2763 bf_get(lpfc_acqe_link_status, acqe_link));
2764 att_type = AT_RESERVED;
2771 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
2772 * @phba: pointer to lpfc hba data structure.
2773 * @acqe_link: pointer to the async link completion queue entry.
2775 * This routine is to parse the SLI4 link-attention link speed and translate
2776 * it into the base driver's link-attention link speed coding.
2778 * Return: Link-attention link speed in terms of base driver's coding.
2781 lpfc_sli4_parse_latt_link_speed(struct lpfc_hba *phba,
2782 struct lpfc_acqe_link *acqe_link)
2786 switch (bf_get(lpfc_acqe_link_speed, acqe_link)) {
2787 case LPFC_ASYNC_LINK_SPEED_ZERO:
2788 link_speed = LA_UNKNW_LINK;
2790 case LPFC_ASYNC_LINK_SPEED_10MBPS:
2791 link_speed = LA_UNKNW_LINK;
2793 case LPFC_ASYNC_LINK_SPEED_100MBPS:
2794 link_speed = LA_UNKNW_LINK;
2796 case LPFC_ASYNC_LINK_SPEED_1GBPS:
2797 link_speed = LA_1GHZ_LINK;
2799 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2800 link_speed = LA_10GHZ_LINK;
2803 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2804 "0483 Invalid link-attention link speed: x%x\n",
2805 bf_get(lpfc_acqe_link_speed, acqe_link));
2806 link_speed = LA_UNKNW_LINK;
2813 * lpfc_sli4_async_link_evt - Process the asynchronous link event
2814 * @phba: pointer to lpfc hba data structure.
2815 * @acqe_link: pointer to the async link completion queue entry.
2817 * This routine is to handle the SLI4 asynchronous link event.
2820 lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
2821 struct lpfc_acqe_link *acqe_link)
2823 struct lpfc_dmabuf *mp;
2829 att_type = lpfc_sli4_parse_latt_type(phba, acqe_link);
2830 if (att_type != AT_LINK_DOWN && att_type != AT_LINK_UP)
2832 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2834 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2835 "0395 The mboxq allocation failed\n");
2838 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2840 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2841 "0396 The lpfc_dmabuf allocation failed\n");
2844 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
2846 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2847 "0397 The mbuf allocation failed\n");
2848 goto out_free_dmabuf;
2851 /* Cleanup any outstanding ELS commands */
2852 lpfc_els_flush_all_cmd(phba);
2854 /* Block ELS IOCBs until we have done process link event */
2855 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
2857 /* Update link event statistics */
2858 phba->sli.slistat.link_event++;
2860 /* Create pseudo lpfc_handle_latt mailbox command from link ACQE */
2861 lpfc_read_la(phba, pmb, mp);
2862 pmb->vport = phba->pport;
2864 /* Parse and translate status field */
2866 mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link);
2868 /* Parse and translate link attention fields */
2869 la = (READ_LA_VAR *) &pmb->u.mb.un.varReadLA;
2870 la->eventTag = acqe_link->event_tag;
2871 la->attType = att_type;
2872 la->UlnkSpeed = lpfc_sli4_parse_latt_link_speed(phba, acqe_link);
2874 /* Fake the the following irrelvant fields */
2875 la->topology = TOPOLOGY_PT_PT;
2876 la->granted_AL_PA = 0;
2882 /* Keep the link status for extra SLI4 state machine reference */
2883 phba->sli4_hba.link_state.speed =
2884 bf_get(lpfc_acqe_link_speed, acqe_link);
2885 phba->sli4_hba.link_state.duplex =
2886 bf_get(lpfc_acqe_link_duplex, acqe_link);
2887 phba->sli4_hba.link_state.status =
2888 bf_get(lpfc_acqe_link_status, acqe_link);
2889 phba->sli4_hba.link_state.physical =
2890 bf_get(lpfc_acqe_link_physical, acqe_link);
2891 phba->sli4_hba.link_state.fault =
2892 bf_get(lpfc_acqe_link_fault, acqe_link);
2894 /* Invoke the lpfc_handle_latt mailbox command callback function */
2895 lpfc_mbx_cmpl_read_la(phba, pmb);
2902 mempool_free(pmb, phba->mbox_mem_pool);
2906 * lpfc_sli4_async_fcoe_evt - Process the asynchronous fcoe event
2907 * @phba: pointer to lpfc hba data structure.
2908 * @acqe_link: pointer to the async fcoe completion queue entry.
2910 * This routine is to handle the SLI4 asynchronous fcoe event.
2913 lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
2914 struct lpfc_acqe_fcoe *acqe_fcoe)
2916 uint8_t event_type = bf_get(lpfc_acqe_fcoe_event_type, acqe_fcoe);
2919 switch (event_type) {
2920 case LPFC_FCOE_EVENT_TYPE_NEW_FCF:
2921 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2922 "2546 New FCF found index 0x%x tag 0x%x \n",
2923 acqe_fcoe->fcf_index,
2924 acqe_fcoe->event_tag);
2926 * If the current FCF is in discovered state,
2929 spin_lock_irq(&phba->hbalock);
2930 if (phba->fcf.fcf_flag & FCF_DISCOVERED) {
2931 spin_unlock_irq(&phba->hbalock);
2934 spin_unlock_irq(&phba->hbalock);
2936 /* Read the FCF table and re-discover SAN. */
2937 rc = lpfc_sli4_read_fcf_record(phba,
2938 LPFC_FCOE_FCF_GET_FIRST);
2940 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2941 "2547 Read FCF record failed 0x%x\n",
2945 case LPFC_FCOE_EVENT_TYPE_FCF_TABLE_FULL:
2946 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2947 "2548 FCF Table full count 0x%x tag 0x%x \n",
2948 bf_get(lpfc_acqe_fcoe_fcf_count, acqe_fcoe),
2949 acqe_fcoe->event_tag);
2952 case LPFC_FCOE_EVENT_TYPE_FCF_DEAD:
2953 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2954 "2549 FCF disconnected fron network index 0x%x"
2955 " tag 0x%x \n", acqe_fcoe->fcf_index,
2956 acqe_fcoe->event_tag);
2957 /* If the event is not for currently used fcf do nothing */
2958 if (phba->fcf.fcf_indx != acqe_fcoe->fcf_index)
2961 * Currently, driver support only one FCF - so treat this as
2964 lpfc_linkdown(phba);
2965 /* Unregister FCF if no devices connected to it */
2966 lpfc_unregister_unused_fcf(phba);
2970 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2971 "0288 Unknown FCoE event type 0x%x event tag "
2972 "0x%x\n", event_type, acqe_fcoe->event_tag);
2978 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
2979 * @phba: pointer to lpfc hba data structure.
2980 * @acqe_link: pointer to the async dcbx completion queue entry.
2982 * This routine is to handle the SLI4 asynchronous dcbx event.
2985 lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba,
2986 struct lpfc_acqe_dcbx *acqe_dcbx)
2988 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2989 "0290 The SLI4 DCBX asynchronous event is not "
2994 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
2995 * @phba: pointer to lpfc hba data structure.
2997 * This routine is invoked by the worker thread to process all the pending
2998 * SLI4 asynchronous events.
3000 void lpfc_sli4_async_event_proc(struct lpfc_hba *phba)
3002 struct lpfc_cq_event *cq_event;
3004 /* First, declare the async event has been handled */
3005 spin_lock_irq(&phba->hbalock);
3006 phba->hba_flag &= ~ASYNC_EVENT;
3007 spin_unlock_irq(&phba->hbalock);
3008 /* Now, handle all the async events */
3009 while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) {
3010 /* Get the first event from the head of the event queue */
3011 spin_lock_irq(&phba->hbalock);
3012 list_remove_head(&phba->sli4_hba.sp_asynce_work_queue,
3013 cq_event, struct lpfc_cq_event, list);
3014 spin_unlock_irq(&phba->hbalock);
3015 /* Process the asynchronous event */
3016 switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) {
3017 case LPFC_TRAILER_CODE_LINK:
3018 lpfc_sli4_async_link_evt(phba,
3019 &cq_event->cqe.acqe_link);
3021 case LPFC_TRAILER_CODE_FCOE:
3022 lpfc_sli4_async_fcoe_evt(phba,
3023 &cq_event->cqe.acqe_fcoe);
3025 case LPFC_TRAILER_CODE_DCBX:
3026 lpfc_sli4_async_dcbx_evt(phba,
3027 &cq_event->cqe.acqe_dcbx);
3030 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3031 "1804 Invalid asynchrous event code: "
3032 "x%x\n", bf_get(lpfc_trailer_code,
3033 &cq_event->cqe.mcqe_cmpl));
3036 /* Free the completion event processed to the free pool */
3037 lpfc_sli4_cq_event_release(phba, cq_event);
3042 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
3043 * @phba: pointer to lpfc hba data structure.
3044 * @dev_grp: The HBA PCI-Device group number.
3046 * This routine is invoked to set up the per HBA PCI-Device group function
3047 * API jump table entries.
3049 * Return: 0 if success, otherwise -ENODEV
3052 lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
3056 /* Set up lpfc PCI-device group */
3057 phba->pci_dev_grp = dev_grp;
3059 /* The LPFC_PCI_DEV_OC uses SLI4 */
3060 if (dev_grp == LPFC_PCI_DEV_OC)
3061 phba->sli_rev = LPFC_SLI_REV4;
3063 /* Set up device INIT API function jump table */
3064 rc = lpfc_init_api_table_setup(phba, dev_grp);
3067 /* Set up SCSI API function jump table */
3068 rc = lpfc_scsi_api_table_setup(phba, dev_grp);
3071 /* Set up SLI API function jump table */
3072 rc = lpfc_sli_api_table_setup(phba, dev_grp);
3075 /* Set up MBOX API function jump table */
3076 rc = lpfc_mbox_api_table_setup(phba, dev_grp);
3084 * lpfc_log_intr_mode - Log the active interrupt mode
3085 * @phba: pointer to lpfc hba data structure.
3086 * @intr_mode: active interrupt mode adopted.
3088 * This routine it invoked to log the currently used active interrupt mode
3091 static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode)
3093 switch (intr_mode) {
3095 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
3096 "0470 Enable INTx interrupt mode.\n");
3099 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
3100 "0481 Enabled MSI interrupt mode.\n");
3103 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
3104 "0480 Enabled MSI-X interrupt mode.\n");
3107 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3108 "0482 Illegal interrupt mode.\n");
3115 * lpfc_enable_pci_dev - Enable a generic PCI device.
3116 * @phba: pointer to lpfc hba data structure.
3118 * This routine is invoked to enable the PCI device that is common to all
3123 * other values - error
3126 lpfc_enable_pci_dev(struct lpfc_hba *phba)
3128 struct pci_dev *pdev;
3131 /* Obtain PCI device reference */
3135 pdev = phba->pcidev;
3136 /* Select PCI BARs */
3137 bars = pci_select_bars(pdev, IORESOURCE_MEM);
3138 /* Enable PCI device */
3139 if (pci_enable_device_mem(pdev))
3141 /* Request PCI resource for the device */
3142 if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME))
3143 goto out_disable_device;
3144 /* Set up device as PCI master and save state for EEH */
3145 pci_set_master(pdev);
3146 pci_try_set_mwi(pdev);
3147 pci_save_state(pdev);
3152 pci_disable_device(pdev);
3158 * lpfc_disable_pci_dev - Disable a generic PCI device.
3159 * @phba: pointer to lpfc hba data structure.
3161 * This routine is invoked to disable the PCI device that is common to all
3165 lpfc_disable_pci_dev(struct lpfc_hba *phba)
3167 struct pci_dev *pdev;
3170 /* Obtain PCI device reference */
3174 pdev = phba->pcidev;
3175 /* Select PCI BARs */
3176 bars = pci_select_bars(pdev, IORESOURCE_MEM);
3177 /* Release PCI resource and disable PCI device */
3178 pci_release_selected_regions(pdev, bars);
3179 pci_disable_device(pdev);
3180 /* Null out PCI private reference to driver */
3181 pci_set_drvdata(pdev, NULL);
3187 * lpfc_reset_hba - Reset a hba
3188 * @phba: pointer to lpfc hba data structure.
3190 * This routine is invoked to reset a hba device. It brings the HBA
3191 * offline, performs a board restart, and then brings the board back
3192 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
3193 * on outstanding mailbox commands.
3196 lpfc_reset_hba(struct lpfc_hba *phba)
3198 /* If resets are disabled then set error state and return. */
3199 if (!phba->cfg_enable_hba_reset) {
3200 phba->link_state = LPFC_HBA_ERROR;
3203 lpfc_offline_prep(phba);
3205 lpfc_sli_brdrestart(phba);
3207 lpfc_unblock_mgmt_io(phba);
3211 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
3212 * @phba: pointer to lpfc hba data structure.
3214 * This routine is invoked to set up the driver internal resources specific to
3215 * support the SLI-3 HBA device it attached to.
3219 * other values - error
3222 lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
3224 struct lpfc_sli *psli;
3227 * Initialize timers used by driver
3230 /* Heartbeat timer */
3231 init_timer(&phba->hb_tmofunc);
3232 phba->hb_tmofunc.function = lpfc_hb_timeout;
3233 phba->hb_tmofunc.data = (unsigned long)phba;
3236 /* MBOX heartbeat timer */
3237 init_timer(&psli->mbox_tmo);
3238 psli->mbox_tmo.function = lpfc_mbox_timeout;
3239 psli->mbox_tmo.data = (unsigned long) phba;
3240 /* FCP polling mode timer */
3241 init_timer(&phba->fcp_poll_timer);
3242 phba->fcp_poll_timer.function = lpfc_poll_timeout;
3243 phba->fcp_poll_timer.data = (unsigned long) phba;
3244 /* Fabric block timer */
3245 init_timer(&phba->fabric_block_timer);
3246 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
3247 phba->fabric_block_timer.data = (unsigned long) phba;
3248 /* EA polling mode timer */
3249 init_timer(&phba->eratt_poll);
3250 phba->eratt_poll.function = lpfc_poll_eratt;
3251 phba->eratt_poll.data = (unsigned long) phba;
3253 /* Host attention work mask setup */
3254 phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT);
3255 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
3257 /* Get all the module params for configuring this host */
3258 lpfc_get_cfgparam(phba);
3260 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
3261 * used to create the sg_dma_buf_pool must be dynamically calculated.
3262 * 2 segments are added since the IOCB needs a command and response bde.
3264 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
3265 sizeof(struct fcp_rsp) +
3266 ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64));
3268 if (phba->cfg_enable_bg) {
3269 phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT;
3270 phba->cfg_sg_dma_buf_size +=
3271 phba->cfg_prot_sg_seg_cnt * sizeof(struct ulp_bde64);
3274 /* Also reinitialize the host templates with new values. */
3275 lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
3276 lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
3278 phba->max_vpi = LPFC_MAX_VPI;
3279 /* This will be set to correct value after config_port mbox */
3280 phba->max_vports = 0;
3283 * Initialize the SLI Layer to run with lpfc HBAs.
3285 lpfc_sli_setup(phba);
3286 lpfc_sli_queue_setup(phba);
3288 /* Allocate device driver memory */
3289 if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ))
3296 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
3297 * @phba: pointer to lpfc hba data structure.
3299 * This routine is invoked to unset the driver internal resources set up
3300 * specific for supporting the SLI-3 HBA device it attached to.
3303 lpfc_sli_driver_resource_unset(struct lpfc_hba *phba)
3305 /* Free device driver memory allocated */
3306 lpfc_mem_free_all(phba);
3312 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
3313 * @phba: pointer to lpfc hba data structure.
3315 * This routine is invoked to set up the driver internal resources specific to
3316 * support the SLI-4 HBA device it attached to.
3320 * other values - error
3323 lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
3325 struct lpfc_sli *psli;
3329 /* Before proceed, wait for POST done and device ready */
3330 rc = lpfc_sli4_post_status_check(phba);
3335 * Initialize timers used by driver
3338 /* Heartbeat timer */
3339 init_timer(&phba->hb_tmofunc);
3340 phba->hb_tmofunc.function = lpfc_hb_timeout;
3341 phba->hb_tmofunc.data = (unsigned long)phba;
3344 /* MBOX heartbeat timer */
3345 init_timer(&psli->mbox_tmo);
3346 psli->mbox_tmo.function = lpfc_mbox_timeout;
3347 psli->mbox_tmo.data = (unsigned long) phba;
3348 /* Fabric block timer */
3349 init_timer(&phba->fabric_block_timer);
3350 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
3351 phba->fabric_block_timer.data = (unsigned long) phba;
3352 /* EA polling mode timer */
3353 init_timer(&phba->eratt_poll);
3354 phba->eratt_poll.function = lpfc_poll_eratt;
3355 phba->eratt_poll.data = (unsigned long) phba;
3357 * We need to do a READ_CONFIG mailbox command here before
3358 * calling lpfc_get_cfgparam. For VFs this will report the
3359 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
3360 * All of the resources allocated
3361 * for this Port are tied to these values.
3363 /* Get all the module params for configuring this host */
3364 lpfc_get_cfgparam(phba);
3365 phba->max_vpi = LPFC_MAX_VPI;
3366 /* This will be set to correct value after the read_config mbox */
3367 phba->max_vports = 0;
3369 /* Program the default value of vlan_id and fc_map */
3370 phba->valid_vlan = 0;
3371 phba->fc_map[0] = LPFC_FCOE_FCF_MAP0;
3372 phba->fc_map[1] = LPFC_FCOE_FCF_MAP1;
3373 phba->fc_map[2] = LPFC_FCOE_FCF_MAP2;
3376 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
3377 * used to create the sg_dma_buf_pool must be dynamically calculated.
3378 * 2 segments are added since the IOCB needs a command and response bde.
3379 * To insure that the scsi sgl does not cross a 4k page boundary only
3380 * sgl sizes of 1k, 2k, 4k, and 8k are supported.
3381 * Table of sgl sizes and seg_cnt:
3382 * sgl size, sg_seg_cnt total seg
3387 * cmd(32) + rsp(160) + (52 * sizeof(sli4_sge)) = 1024
3388 * cmd(32) + rsp(160) + (116 * sizeof(sli4_sge)) = 2048
3389 * cmd(32) + rsp(160) + (244 * sizeof(sli4_sge)) = 4096
3390 * cmd(32) + rsp(160) + (500 * sizeof(sli4_sge)) = 8192
3392 if (phba->cfg_sg_seg_cnt <= LPFC_DEFAULT_SG_SEG_CNT)
3393 phba->cfg_sg_seg_cnt = 50;
3394 else if (phba->cfg_sg_seg_cnt <= 114)
3395 phba->cfg_sg_seg_cnt = 114;
3396 else if (phba->cfg_sg_seg_cnt <= 242)
3397 phba->cfg_sg_seg_cnt = 242;
3399 phba->cfg_sg_seg_cnt = 498;
3401 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd)
3402 + sizeof(struct fcp_rsp);
3403 phba->cfg_sg_dma_buf_size +=
3404 ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge));
3406 /* Initialize buffer queue management fields */
3407 hbq_count = lpfc_sli_hbq_count();
3408 for (i = 0; i < hbq_count; ++i)
3409 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
3410 INIT_LIST_HEAD(&phba->rb_pend_list);
3411 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc;
3412 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free;
3415 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
3417 /* Initialize the Abort scsi buffer list used by driver */
3418 spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock);
3419 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
3420 /* This abort list used by worker thread */
3421 spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock);
3424 * Initialize dirver internal slow-path work queues
3427 /* Driver internel slow-path CQ Event pool */
3428 INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool);
3429 /* Response IOCB work queue list */
3430 INIT_LIST_HEAD(&phba->sli4_hba.sp_rspiocb_work_queue);
3431 /* Asynchronous event CQ Event work queue list */
3432 INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue);
3433 /* Fast-path XRI aborted CQ Event work queue list */
3434 INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue);
3435 /* Slow-path XRI aborted CQ Event work queue list */
3436 INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue);
3437 /* Receive queue CQ Event work queue list */
3438 INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue);
3440 /* Initialize the driver internal SLI layer lists. */
3441 lpfc_sli_setup(phba);
3442 lpfc_sli_queue_setup(phba);
3444 /* Allocate device driver memory */
3445 rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ);
3449 /* Create the bootstrap mailbox command */
3450 rc = lpfc_create_bootstrap_mbox(phba);
3454 /* Set up the host's endian order with the device. */
3455 rc = lpfc_setup_endian_order(phba);
3457 goto out_free_bsmbx;
3459 /* Set up the hba's configuration parameters. */
3460 rc = lpfc_sli4_read_config(phba);
3462 goto out_free_bsmbx;
3464 /* Perform a function reset */
3465 rc = lpfc_pci_function_reset(phba);
3467 goto out_free_bsmbx;
3469 /* Create all the SLI4 queues */
3470 rc = lpfc_sli4_queue_create(phba);
3472 goto out_free_bsmbx;
3474 /* Create driver internal CQE event pool */
3475 rc = lpfc_sli4_cq_event_pool_create(phba);
3477 goto out_destroy_queue;
3479 /* Initialize and populate the iocb list per host */
3480 rc = lpfc_init_sgl_list(phba);
3482 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3483 "1400 Failed to initialize sgl list.\n");
3484 goto out_destroy_cq_event_pool;
3486 rc = lpfc_init_active_sgl_array(phba);
3488 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3489 "1430 Failed to initialize sgl list.\n");
3490 goto out_free_sgl_list;
3493 rc = lpfc_sli4_init_rpi_hdrs(phba);
3495 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3496 "1432 Failed to initialize rpi headers.\n");
3497 goto out_free_active_sgl;
3500 phba->sli4_hba.fcp_eq_hdl = kzalloc((sizeof(struct lpfc_fcp_eq_hdl) *
3501 phba->cfg_fcp_eq_count), GFP_KERNEL);
3502 if (!phba->sli4_hba.fcp_eq_hdl) {
3503 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3504 "2572 Failed allocate memory for fast-path "
3505 "per-EQ handle array\n");
3506 goto out_remove_rpi_hdrs;
3509 phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) *
3510 phba->sli4_hba.cfg_eqn), GFP_KERNEL);
3511 if (!phba->sli4_hba.msix_entries) {
3512 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3513 "2573 Failed allocate memory for msi-x "
3514 "interrupt vector entries\n");
3515 goto out_free_fcp_eq_hdl;
3520 out_free_fcp_eq_hdl:
3521 kfree(phba->sli4_hba.fcp_eq_hdl);
3522 out_remove_rpi_hdrs:
3523 lpfc_sli4_remove_rpi_hdrs(phba);
3524 out_free_active_sgl:
3525 lpfc_free_active_sgl(phba);
3527 lpfc_free_sgl_list(phba);
3528 out_destroy_cq_event_pool:
3529 lpfc_sli4_cq_event_pool_destroy(phba);
3531 lpfc_sli4_queue_destroy(phba);
3533 lpfc_destroy_bootstrap_mbox(phba);
3535 lpfc_mem_free(phba);
3540 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
3541 * @phba: pointer to lpfc hba data structure.
3543 * This routine is invoked to unset the driver internal resources set up
3544 * specific for supporting the SLI-4 HBA device it attached to.
3547 lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba)
3549 struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry;
3551 /* unregister default FCFI from the HBA */
3552 lpfc_sli4_fcfi_unreg(phba, phba->fcf.fcfi);
3554 /* Free the default FCR table */
3555 lpfc_sli_remove_dflt_fcf(phba);
3557 /* Free memory allocated for msi-x interrupt vector entries */
3558 kfree(phba->sli4_hba.msix_entries);
3560 /* Free memory allocated for fast-path work queue handles */
3561 kfree(phba->sli4_hba.fcp_eq_hdl);
3563 /* Free the allocated rpi headers. */
3564 lpfc_sli4_remove_rpi_hdrs(phba);
3565 lpfc_sli4_remove_rpis(phba);
3567 /* Free the ELS sgl list */
3568 lpfc_free_active_sgl(phba);
3569 lpfc_free_sgl_list(phba);
3571 /* Free the SCSI sgl management array */
3572 kfree(phba->sli4_hba.lpfc_scsi_psb_array);
3574 /* Free the SLI4 queues */
3575 lpfc_sli4_queue_destroy(phba);
3577 /* Free the completion queue EQ event pool */
3578 lpfc_sli4_cq_event_release_all(phba);
3579 lpfc_sli4_cq_event_pool_destroy(phba);
3581 /* Reset SLI4 HBA FCoE function */
3582 lpfc_pci_function_reset(phba);
3584 /* Free the bsmbx region. */
3585 lpfc_destroy_bootstrap_mbox(phba);
3587 /* Free the SLI Layer memory with SLI4 HBAs */
3588 lpfc_mem_free_all(phba);
3590 /* Free the current connect table */
3591 list_for_each_entry_safe(conn_entry, next_conn_entry,
3592 &phba->fcf_conn_rec_list, list)
3599 * lpfc_init_api_table_setup - Set up init api fucntion jump table
3600 * @phba: The hba struct for which this call is being executed.
3601 * @dev_grp: The HBA PCI-Device group number.
3603 * This routine sets up the device INIT interface API function jump table
3606 * Returns: 0 - success, -ENODEV - failure.
3609 lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
3612 case LPFC_PCI_DEV_LP:
3613 phba->lpfc_hba_down_post = lpfc_hba_down_post_s3;
3614 phba->lpfc_handle_eratt = lpfc_handle_eratt_s3;
3615 phba->lpfc_stop_port = lpfc_stop_port_s3;
3617 case LPFC_PCI_DEV_OC:
3618 phba->lpfc_hba_down_post = lpfc_hba_down_post_s4;
3619 phba->lpfc_handle_eratt = lpfc_handle_eratt_s4;
3620 phba->lpfc_stop_port = lpfc_stop_port_s4;
3623 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3624 "1431 Invalid HBA PCI-device group: 0x%x\n",
3633 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
3634 * @phba: pointer to lpfc hba data structure.
3636 * This routine is invoked to set up the driver internal resources before the
3637 * device specific resource setup to support the HBA device it attached to.
3641 * other values - error
3644 lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba)
3647 * Driver resources common to all SLI revisions
3649 atomic_set(&phba->fast_event_count, 0);
3650 spin_lock_init(&phba->hbalock);
3652 /* Initialize ndlp management spinlock */
3653 spin_lock_init(&phba->ndlp_lock);
3655 INIT_LIST_HEAD(&phba->port_list);
3656 INIT_LIST_HEAD(&phba->work_list);
3657 init_waitqueue_head(&phba->wait_4_mlo_m_q);
3659 /* Initialize the wait queue head for the kernel thread */
3660 init_waitqueue_head(&phba->work_waitq);
3662 /* Initialize the scsi buffer list used by driver for scsi IO */
3663 spin_lock_init(&phba->scsi_buf_list_lock);
3664 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
3666 /* Initialize the fabric iocb list */
3667 INIT_LIST_HEAD(&phba->fabric_iocb_list);
3669 /* Initialize list to save ELS buffers */
3670 INIT_LIST_HEAD(&phba->elsbuf);
3672 /* Initialize FCF connection rec list */
3673 INIT_LIST_HEAD(&phba->fcf_conn_rec_list);
3679 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
3680 * @phba: pointer to lpfc hba data structure.
3682 * This routine is invoked to set up the driver internal resources after the
3683 * device specific resource setup to support the HBA device it attached to.
3687 * other values - error
3690 lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba)
3694 /* Startup the kernel thread for this host adapter. */
3695 phba->worker_thread = kthread_run(lpfc_do_work, phba,
3696 "lpfc_worker_%d", phba->brd_no);
3697 if (IS_ERR(phba->worker_thread)) {
3698 error = PTR_ERR(phba->worker_thread);
3706 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
3707 * @phba: pointer to lpfc hba data structure.
3709 * This routine is invoked to unset the driver internal resources set up after
3710 * the device specific resource setup for supporting the HBA device it
3714 lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba)
3716 /* Stop kernel worker thread */
3717 kthread_stop(phba->worker_thread);
3721 * lpfc_free_iocb_list - Free iocb list.
3722 * @phba: pointer to lpfc hba data structure.
3724 * This routine is invoked to free the driver's IOCB list and memory.
3727 lpfc_free_iocb_list(struct lpfc_hba *phba)
3729 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
3731 spin_lock_irq(&phba->hbalock);
3732 list_for_each_entry_safe(iocbq_entry, iocbq_next,
3733 &phba->lpfc_iocb_list, list) {
3734 list_del(&iocbq_entry->list);
3736 phba->total_iocbq_bufs--;
3738 spin_unlock_irq(&phba->hbalock);
3744 * lpfc_init_iocb_list - Allocate and initialize iocb list.
3745 * @phba: pointer to lpfc hba data structure.
3747 * This routine is invoked to allocate and initizlize the driver's IOCB
3748 * list and set up the IOCB tag array accordingly.
3752 * other values - error
3755 lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count)
3757 struct lpfc_iocbq *iocbq_entry = NULL;
3761 /* Initialize and populate the iocb list per host. */
3762 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
3763 for (i = 0; i < iocb_count; i++) {
3764 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
3765 if (iocbq_entry == NULL) {
3766 printk(KERN_ERR "%s: only allocated %d iocbs of "
3767 "expected %d count. Unloading driver.\n",
3768 __func__, i, LPFC_IOCB_LIST_CNT);
3769 goto out_free_iocbq;
3772 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
3775 printk(KERN_ERR "%s: failed to allocate IOTAG. "
3776 "Unloading driver.\n", __func__);
3777 goto out_free_iocbq;
3779 iocbq_entry->sli4_xritag = NO_XRI;
3781 spin_lock_irq(&phba->hbalock);
3782 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
3783 phba->total_iocbq_bufs++;
3784 spin_unlock_irq(&phba->hbalock);
3790 lpfc_free_iocb_list(phba);
3796 * lpfc_free_sgl_list - Free sgl list.
3797 * @phba: pointer to lpfc hba data structure.
3799 * This routine is invoked to free the driver's sgl list and memory.
3802 lpfc_free_sgl_list(struct lpfc_hba *phba)
3804 struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
3805 LIST_HEAD(sglq_list);
3808 spin_lock_irq(&phba->hbalock);
3809 list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list);
3810 spin_unlock_irq(&phba->hbalock);
3812 list_for_each_entry_safe(sglq_entry, sglq_next,
3814 list_del(&sglq_entry->list);
3815 lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys);
3817 phba->sli4_hba.total_sglq_bufs--;
3819 rc = lpfc_sli4_remove_all_sgl_pages(phba);
3821 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3822 "2005 Unable to deregister pages from HBA: %x", rc);
3824 kfree(phba->sli4_hba.lpfc_els_sgl_array);
3828 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
3829 * @phba: pointer to lpfc hba data structure.
3831 * This routine is invoked to allocate the driver's active sgl memory.
3832 * This array will hold the sglq_entry's for active IOs.
3835 lpfc_init_active_sgl_array(struct lpfc_hba *phba)
3838 size = sizeof(struct lpfc_sglq *);
3839 size *= phba->sli4_hba.max_cfg_param.max_xri;
3841 phba->sli4_hba.lpfc_sglq_active_list =
3842 kzalloc(size, GFP_KERNEL);
3843 if (!phba->sli4_hba.lpfc_sglq_active_list)
3849 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
3850 * @phba: pointer to lpfc hba data structure.
3852 * This routine is invoked to walk through the array of active sglq entries
3853 * and free all of the resources.
3854 * This is just a place holder for now.
3857 lpfc_free_active_sgl(struct lpfc_hba *phba)
3859 kfree(phba->sli4_hba.lpfc_sglq_active_list);
3863 * lpfc_init_sgl_list - Allocate and initialize sgl list.
3864 * @phba: pointer to lpfc hba data structure.
3866 * This routine is invoked to allocate and initizlize the driver's sgl
3867 * list and set up the sgl xritag tag array accordingly.
3871 * other values - error
3874 lpfc_init_sgl_list(struct lpfc_hba *phba)
3876 struct lpfc_sglq *sglq_entry = NULL;
3880 els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);
3881 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3882 "2400 lpfc_init_sgl_list els %d.\n",
3884 /* Initialize and populate the sglq list per host/VF. */
3885 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list);
3886 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list);
3888 /* Sanity check on XRI management */
3889 if (phba->sli4_hba.max_cfg_param.max_xri <= els_xri_cnt) {
3890 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3891 "2562 No room left for SCSI XRI allocation: "
3892 "max_xri=%d, els_xri=%d\n",
3893 phba->sli4_hba.max_cfg_param.max_xri,
3898 /* Allocate memory for the ELS XRI management array */
3899 phba->sli4_hba.lpfc_els_sgl_array =
3900 kzalloc((sizeof(struct lpfc_sglq *) * els_xri_cnt),
3903 if (!phba->sli4_hba.lpfc_els_sgl_array) {
3904 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3905 "2401 Failed to allocate memory for ELS "
3906 "XRI management array of size %d.\n",
3911 /* Keep the SCSI XRI into the XRI management array */
3912 phba->sli4_hba.scsi_xri_max =
3913 phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt;
3914 phba->sli4_hba.scsi_xri_cnt = 0;
3916 phba->sli4_hba.lpfc_scsi_psb_array =
3917 kzalloc((sizeof(struct lpfc_scsi_buf *) *
3918 phba->sli4_hba.scsi_xri_max), GFP_KERNEL);
3920 if (!phba->sli4_hba.lpfc_scsi_psb_array) {
3921 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3922 "2563 Failed to allocate memory for SCSI "
3923 "XRI management array of size %d.\n",
3924 phba->sli4_hba.scsi_xri_max);
3925 kfree(phba->sli4_hba.lpfc_els_sgl_array);
3929 for (i = 0; i < els_xri_cnt; i++) {
3930 sglq_entry = kzalloc(sizeof(struct lpfc_sglq), GFP_KERNEL);
3931 if (sglq_entry == NULL) {
3932 printk(KERN_ERR "%s: only allocated %d sgls of "
3933 "expected %d count. Unloading driver.\n",
3934 __func__, i, els_xri_cnt);
3938 sglq_entry->sli4_xritag = lpfc_sli4_next_xritag(phba);
3939 if (sglq_entry->sli4_xritag == NO_XRI) {
3941 printk(KERN_ERR "%s: failed to allocate XRI.\n"
3942 "Unloading driver.\n", __func__);
3945 sglq_entry->buff_type = GEN_BUFF_TYPE;
3946 sglq_entry->virt = lpfc_mbuf_alloc(phba, 0, &sglq_entry->phys);
3947 if (sglq_entry->virt == NULL) {
3949 printk(KERN_ERR "%s: failed to allocate mbuf.\n"
3950 "Unloading driver.\n", __func__);
3953 sglq_entry->sgl = sglq_entry->virt;
3954 memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE);
3956 /* The list order is used by later block SGL registraton */
3957 spin_lock_irq(&phba->hbalock);
3958 list_add_tail(&sglq_entry->list, &phba->sli4_hba.lpfc_sgl_list);
3959 phba->sli4_hba.lpfc_els_sgl_array[i] = sglq_entry;
3960 phba->sli4_hba.total_sglq_bufs++;
3961 spin_unlock_irq(&phba->hbalock);
3966 kfree(phba->sli4_hba.lpfc_scsi_psb_array);
3967 lpfc_free_sgl_list(phba);
3972 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
3973 * @phba: pointer to lpfc hba data structure.
3975 * This routine is invoked to post rpi header templates to the
3976 * HBA consistent with the SLI-4 interface spec. This routine
3977 * posts a PAGE_SIZE memory region to the port to hold up to
3978 * PAGE_SIZE modulo 64 rpi context headers.
3979 * No locks are held here because this is an initialization routine
3980 * called only from probe or lpfc_online when interrupts are not
3981 * enabled and the driver is reinitializing the device.
3985 * ENOMEM - No availble memory
3986 * EIO - The mailbox failed to complete successfully.
3989 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba)
3994 struct lpfc_rpi_hdr *rpi_hdr;
3996 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list);
3999 * Provision an rpi bitmask range for discovery. The total count
4000 * is the difference between max and base + 1.
4002 rpi_count = phba->sli4_hba.max_cfg_param.rpi_base +
4003 phba->sli4_hba.max_cfg_param.max_rpi - 1;
4005 longs = ((rpi_count) + BITS_PER_LONG - 1) / BITS_PER_LONG;
4006 phba->sli4_hba.rpi_bmask = kzalloc(longs * sizeof(unsigned long),
4008 if (!phba->sli4_hba.rpi_bmask)
4011 rpi_hdr = lpfc_sli4_create_rpi_hdr(phba);
4013 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
4014 "0391 Error during rpi post operation\n");
4015 lpfc_sli4_remove_rpis(phba);
4023 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
4024 * @phba: pointer to lpfc hba data structure.
4026 * This routine is invoked to allocate a single 4KB memory region to
4027 * support rpis and stores them in the phba. This single region
4028 * provides support for up to 64 rpis. The region is used globally
4032 * A valid rpi hdr on success.
4033 * A NULL pointer on any failure.
4035 struct lpfc_rpi_hdr *
4036 lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
4038 uint16_t rpi_limit, curr_rpi_range;
4039 struct lpfc_dmabuf *dmabuf;
4040 struct lpfc_rpi_hdr *rpi_hdr;
4042 rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base +
4043 phba->sli4_hba.max_cfg_param.max_rpi - 1;
4045 spin_lock_irq(&phba->hbalock);
4046 curr_rpi_range = phba->sli4_hba.next_rpi;
4047 spin_unlock_irq(&phba->hbalock);
4050 * The port has a limited number of rpis. The increment here
4051 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
4052 * and to allow the full max_rpi range per port.
4054 if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit)
4058 * First allocate the protocol header region for the port. The
4059 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
4061 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
4065 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
4066 LPFC_HDR_TEMPLATE_SIZE,
4069 if (!dmabuf->virt) {
4071 goto err_free_dmabuf;
4074 memset(dmabuf->virt, 0, LPFC_HDR_TEMPLATE_SIZE);
4075 if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) {
4077 goto err_free_coherent;
4080 /* Save the rpi header data for cleanup later. */
4081 rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL);
4083 goto err_free_coherent;
4085 rpi_hdr->dmabuf = dmabuf;
4086 rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE;
4087 rpi_hdr->page_count = 1;
4088 spin_lock_irq(&phba->hbalock);
4089 rpi_hdr->start_rpi = phba->sli4_hba.next_rpi;
4090 list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list);
4093 * The next_rpi stores the next module-64 rpi value to post
4094 * in any subsequent rpi memory region postings.
4096 phba->sli4_hba.next_rpi += LPFC_RPI_HDR_COUNT;
4097 spin_unlock_irq(&phba->hbalock);
4101 dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE,
4102 dmabuf->virt, dmabuf->phys);
4109 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
4110 * @phba: pointer to lpfc hba data structure.
4112 * This routine is invoked to remove all memory resources allocated
4113 * to support rpis. This routine presumes the caller has released all
4114 * rpis consumed by fabric or port logins and is prepared to have
4115 * the header pages removed.
4118 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba)
4120 struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr;
4122 list_for_each_entry_safe(rpi_hdr, next_rpi_hdr,
4123 &phba->sli4_hba.lpfc_rpi_hdr_list, list) {
4124 list_del(&rpi_hdr->list);
4125 dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len,
4126 rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys);
4127 kfree(rpi_hdr->dmabuf);
4131 phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.rpi_base;
4132 memset(phba->sli4_hba.rpi_bmask, 0, sizeof(*phba->sli4_hba.rpi_bmask));
4136 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
4137 * @pdev: pointer to pci device data structure.
4139 * This routine is invoked to allocate the driver hba data structure for an
4140 * HBA device. If the allocation is successful, the phba reference to the
4141 * PCI device data structure is set.
4144 * pointer to @phba - sucessful
4147 static struct lpfc_hba *
4148 lpfc_hba_alloc(struct pci_dev *pdev)
4150 struct lpfc_hba *phba;
4152 /* Allocate memory for HBA structure */
4153 phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL);
4155 dev_err(&pdev->dev, "failed to allocate hba struct\n");
4159 /* Set reference to PCI device in HBA structure */
4160 phba->pcidev = pdev;
4162 /* Assign an unused board number */
4163 phba->brd_no = lpfc_get_instance();
4164 if (phba->brd_no < 0) {
4173 * lpfc_hba_free - Free driver hba data structure with a device.
4174 * @phba: pointer to lpfc hba data structure.
4176 * This routine is invoked to free the driver hba data structure with an
4180 lpfc_hba_free(struct lpfc_hba *phba)
4182 /* Release the driver assigned board number */
4183 idr_remove(&lpfc_hba_index, phba->brd_no);
4190 * lpfc_create_shost - Create hba physical port with associated scsi host.
4191 * @phba: pointer to lpfc hba data structure.
4193 * This routine is invoked to create HBA physical port and associate a SCSI
4198 * other values - error
4201 lpfc_create_shost(struct lpfc_hba *phba)
4203 struct lpfc_vport *vport;
4204 struct Scsi_Host *shost;
4206 /* Initialize HBA FC structure */
4207 phba->fc_edtov = FF_DEF_EDTOV;
4208 phba->fc_ratov = FF_DEF_RATOV;
4209 phba->fc_altov = FF_DEF_ALTOV;
4210 phba->fc_arbtov = FF_DEF_ARBTOV;
4212 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
4216 shost = lpfc_shost_from_vport(vport);
4217 phba->pport = vport;
4218 lpfc_debugfs_initialize(vport);
4219 /* Put reference to SCSI host to driver's device private data */
4220 pci_set_drvdata(phba->pcidev, shost);
4226 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
4227 * @phba: pointer to lpfc hba data structure.
4229 * This routine is invoked to destroy HBA physical port and the associated
4233 lpfc_destroy_shost(struct lpfc_hba *phba)
4235 struct lpfc_vport *vport = phba->pport;
4237 /* Destroy physical port that associated with the SCSI host */
4238 destroy_port(vport);
4244 * lpfc_setup_bg - Setup Block guard structures and debug areas.
4245 * @phba: pointer to lpfc hba data structure.
4246 * @shost: the shost to be used to detect Block guard settings.
4248 * This routine sets up the local Block guard protocol settings for @shost.
4249 * This routine also allocates memory for debugging bg buffers.
4252 lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost)
4255 if (lpfc_prot_mask && lpfc_prot_guard) {
4256 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4257 "1478 Registering BlockGuard with the "
4259 scsi_host_set_prot(shost, lpfc_prot_mask);
4260 scsi_host_set_guard(shost, lpfc_prot_guard);
4262 if (!_dump_buf_data) {
4264 spin_lock_init(&_dump_buf_lock);
4266 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
4267 if (_dump_buf_data) {
4268 printk(KERN_ERR "BLKGRD allocated %d pages for "
4269 "_dump_buf_data at 0x%p\n",
4270 (1 << pagecnt), _dump_buf_data);
4271 _dump_buf_data_order = pagecnt;
4272 memset(_dump_buf_data, 0,
4273 ((1 << PAGE_SHIFT) << pagecnt));
4278 if (!_dump_buf_data_order)
4279 printk(KERN_ERR "BLKGRD ERROR unable to allocate "
4280 "memory for hexdump\n");
4282 printk(KERN_ERR "BLKGRD already allocated _dump_buf_data=0x%p"
4283 "\n", _dump_buf_data);
4284 if (!_dump_buf_dif) {
4287 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
4288 if (_dump_buf_dif) {
4289 printk(KERN_ERR "BLKGRD allocated %d pages for "
4290 "_dump_buf_dif at 0x%p\n",
4291 (1 << pagecnt), _dump_buf_dif);
4292 _dump_buf_dif_order = pagecnt;
4293 memset(_dump_buf_dif, 0,
4294 ((1 << PAGE_SHIFT) << pagecnt));
4299 if (!_dump_buf_dif_order)
4300 printk(KERN_ERR "BLKGRD ERROR unable to allocate "
4301 "memory for hexdump\n");
4303 printk(KERN_ERR "BLKGRD already allocated _dump_buf_dif=0x%p\n",
4308 * lpfc_post_init_setup - Perform necessary device post initialization setup.
4309 * @phba: pointer to lpfc hba data structure.
4311 * This routine is invoked to perform all the necessary post initialization
4312 * setup for the device.
4315 lpfc_post_init_setup(struct lpfc_hba *phba)
4317 struct Scsi_Host *shost;
4318 struct lpfc_adapter_event_header adapter_event;
4320 /* Get the default values for Model Name and Description */
4321 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
4324 * hba setup may have changed the hba_queue_depth so we need to
4325 * adjust the value of can_queue.
4327 shost = pci_get_drvdata(phba->pcidev);
4328 shost->can_queue = phba->cfg_hba_queue_depth - 10;
4329 if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
4330 lpfc_setup_bg(phba, shost);
4332 lpfc_host_attrib_init(shost);
4334 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
4335 spin_lock_irq(shost->host_lock);
4336 lpfc_poll_start_timer(phba);
4337 spin_unlock_irq(shost->host_lock);
4340 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4341 "0428 Perform SCSI scan\n");
4342 /* Send board arrival event to upper layer */
4343 adapter_event.event_type = FC_REG_ADAPTER_EVENT;
4344 adapter_event.subcategory = LPFC_EVENT_ARRIVAL;
4345 fc_host_post_vendor_event(shost, fc_get_event_number(),
4346 sizeof(adapter_event),
4347 (char *) &adapter_event,
4353 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
4354 * @phba: pointer to lpfc hba data structure.
4356 * This routine is invoked to set up the PCI device memory space for device
4357 * with SLI-3 interface spec.
4361 * other values - error
4364 lpfc_sli_pci_mem_setup(struct lpfc_hba *phba)
4366 struct pci_dev *pdev;
4367 unsigned long bar0map_len, bar2map_len;
4370 int error = -ENODEV;
4372 /* Obtain PCI device reference */
4376 pdev = phba->pcidev;
4378 /* Set the device DMA mask size */
4379 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)
4380 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)
4383 /* Get the bus address of Bar0 and Bar2 and the number of bytes
4384 * required by each mapping.
4386 phba->pci_bar0_map = pci_resource_start(pdev, 0);
4387 bar0map_len = pci_resource_len(pdev, 0);
4389 phba->pci_bar2_map = pci_resource_start(pdev, 2);
4390 bar2map_len = pci_resource_len(pdev, 2);
4392 /* Map HBA SLIM to a kernel virtual address. */
4393 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
4394 if (!phba->slim_memmap_p) {
4395 dev_printk(KERN_ERR, &pdev->dev,
4396 "ioremap failed for SLIM memory.\n");
4400 /* Map HBA Control Registers to a kernel virtual address. */
4401 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
4402 if (!phba->ctrl_regs_memmap_p) {
4403 dev_printk(KERN_ERR, &pdev->dev,
4404 "ioremap failed for HBA control registers.\n");
4405 goto out_iounmap_slim;
4408 /* Allocate memory for SLI-2 structures */
4409 phba->slim2p.virt = dma_alloc_coherent(&pdev->dev,
4413 if (!phba->slim2p.virt)
4416 memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE);
4417 phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx);
4418 phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb));
4419 phba->IOCBs = (phba->slim2p.virt +
4420 offsetof(struct lpfc_sli2_slim, IOCBs));
4422 phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev,
4423 lpfc_sli_hbq_size(),
4424 &phba->hbqslimp.phys,
4426 if (!phba->hbqslimp.virt)
4429 hbq_count = lpfc_sli_hbq_count();
4430 ptr = phba->hbqslimp.virt;
4431 for (i = 0; i < hbq_count; ++i) {
4432 phba->hbqs[i].hbq_virt = ptr;
4433 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
4434 ptr += (lpfc_hbq_defs[i]->entry_count *
4435 sizeof(struct lpfc_hbq_entry));
4437 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
4438 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
4440 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
4442 INIT_LIST_HEAD(&phba->rb_pend_list);
4444 phba->MBslimaddr = phba->slim_memmap_p;
4445 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
4446 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
4447 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
4448 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
4453 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
4454 phba->slim2p.virt, phba->slim2p.phys);
4456 iounmap(phba->ctrl_regs_memmap_p);
4458 iounmap(phba->slim_memmap_p);
4464 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
4465 * @phba: pointer to lpfc hba data structure.
4467 * This routine is invoked to unset the PCI device memory space for device
4468 * with SLI-3 interface spec.
4471 lpfc_sli_pci_mem_unset(struct lpfc_hba *phba)
4473 struct pci_dev *pdev;
4475 /* Obtain PCI device reference */
4479 pdev = phba->pcidev;
4481 /* Free coherent DMA memory allocated */
4482 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
4483 phba->hbqslimp.virt, phba->hbqslimp.phys);
4484 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
4485 phba->slim2p.virt, phba->slim2p.phys);
4487 /* I/O memory unmap */
4488 iounmap(phba->ctrl_regs_memmap_p);
4489 iounmap(phba->slim_memmap_p);
4495 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
4496 * @phba: pointer to lpfc hba data structure.
4498 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
4499 * done and check status.
4501 * Return 0 if successful, otherwise -ENODEV.
4504 lpfc_sli4_post_status_check(struct lpfc_hba *phba)
4506 struct lpfc_register sta_reg, uerrlo_reg, uerrhi_reg, scratchpad;
4507 uint32_t onlnreg0, onlnreg1;
4508 int i, port_error = -ENODEV;
4510 if (!phba->sli4_hba.STAregaddr)
4513 /* Wait up to 30 seconds for the SLI Port POST done and ready */
4514 for (i = 0; i < 3000; i++) {
4515 sta_reg.word0 = readl(phba->sli4_hba.STAregaddr);
4516 /* Encounter fatal POST error, break out */
4517 if (bf_get(lpfc_hst_state_perr, &sta_reg)) {
4518 port_error = -ENODEV;
4521 if (LPFC_POST_STAGE_ARMFW_READY ==
4522 bf_get(lpfc_hst_state_port_status, &sta_reg)) {
4530 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4531 "1408 Failure HBA POST Status: sta_reg=0x%x, "
4532 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, xrom=x%x, "
4533 "dl=x%x, pstatus=x%x\n", sta_reg.word0,
4534 bf_get(lpfc_hst_state_perr, &sta_reg),
4535 bf_get(lpfc_hst_state_sfi, &sta_reg),
4536 bf_get(lpfc_hst_state_nip, &sta_reg),
4537 bf_get(lpfc_hst_state_ipc, &sta_reg),
4538 bf_get(lpfc_hst_state_xrom, &sta_reg),
4539 bf_get(lpfc_hst_state_dl, &sta_reg),
4540 bf_get(lpfc_hst_state_port_status, &sta_reg));
4542 /* Log device information */
4543 scratchpad.word0 = readl(phba->sli4_hba.SCRATCHPADregaddr);
4544 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4545 "2534 Device Info: ChipType=0x%x, SliRev=0x%x, "
4546 "FeatureL1=0x%x, FeatureL2=0x%x\n",
4547 bf_get(lpfc_scratchpad_chiptype, &scratchpad),
4548 bf_get(lpfc_scratchpad_slirev, &scratchpad),
4549 bf_get(lpfc_scratchpad_featurelevel1, &scratchpad),
4550 bf_get(lpfc_scratchpad_featurelevel2, &scratchpad));
4552 /* With uncoverable error, log the error message and return error */
4553 onlnreg0 = readl(phba->sli4_hba.ONLINE0regaddr);
4554 onlnreg1 = readl(phba->sli4_hba.ONLINE1regaddr);
4555 if ((onlnreg0 != LPFC_ONLINE_NERR) || (onlnreg1 != LPFC_ONLINE_NERR)) {
4556 uerrlo_reg.word0 = readl(phba->sli4_hba.UERRLOregaddr);
4557 uerrhi_reg.word0 = readl(phba->sli4_hba.UERRHIregaddr);
4558 if (uerrlo_reg.word0 || uerrhi_reg.word0) {
4559 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4560 "1422 HBA Unrecoverable error: "
4561 "uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, "
4562 "online0_reg=0x%x, online1_reg=0x%x\n",
4563 uerrlo_reg.word0, uerrhi_reg.word0,
4564 onlnreg0, onlnreg1);
4573 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
4574 * @phba: pointer to lpfc hba data structure.
4576 * This routine is invoked to set up SLI4 BAR0 PCI config space register
4580 lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba)
4582 phba->sli4_hba.UERRLOregaddr = phba->sli4_hba.conf_regs_memmap_p +
4583 LPFC_UERR_STATUS_LO;
4584 phba->sli4_hba.UERRHIregaddr = phba->sli4_hba.conf_regs_memmap_p +
4585 LPFC_UERR_STATUS_HI;
4586 phba->sli4_hba.ONLINE0regaddr = phba->sli4_hba.conf_regs_memmap_p +
4588 phba->sli4_hba.ONLINE1regaddr = phba->sli4_hba.conf_regs_memmap_p +
4590 phba->sli4_hba.SCRATCHPADregaddr = phba->sli4_hba.conf_regs_memmap_p +
4595 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
4596 * @phba: pointer to lpfc hba data structure.
4598 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
4602 lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba)
4605 phba->sli4_hba.STAregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
4607 phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
4609 phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
4611 phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
4617 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
4618 * @phba: pointer to lpfc hba data structure.
4619 * @vf: virtual function number
4621 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
4622 * based on the given viftual function number, @vf.
4624 * Return 0 if successful, otherwise -ENODEV.
4627 lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf)
4629 if (vf > LPFC_VIR_FUNC_MAX)
4632 phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
4633 vf * LPFC_VFR_PAGE_SIZE + LPFC_RQ_DOORBELL);
4634 phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
4635 vf * LPFC_VFR_PAGE_SIZE + LPFC_WQ_DOORBELL);
4636 phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
4637 vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL);
4638 phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
4639 vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL);
4640 phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
4641 vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX);
4646 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
4647 * @phba: pointer to lpfc hba data structure.
4649 * This routine is invoked to create the bootstrap mailbox
4650 * region consistent with the SLI-4 interface spec. This
4651 * routine allocates all memory necessary to communicate
4652 * mailbox commands to the port and sets up all alignment
4653 * needs. No locks are expected to be held when calling
4658 * ENOMEM - could not allocated memory.
4661 lpfc_create_bootstrap_mbox(struct lpfc_hba *phba)
4664 struct lpfc_dmabuf *dmabuf;
4665 struct dma_address *dma_address;
4669 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
4674 * The bootstrap mailbox region is comprised of 2 parts
4675 * plus an alignment restriction of 16 bytes.
4677 bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1);
4678 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
4682 if (!dmabuf->virt) {
4686 memset(dmabuf->virt, 0, bmbx_size);
4689 * Initialize the bootstrap mailbox pointers now so that the register
4690 * operations are simple later. The mailbox dma address is required
4691 * to be 16-byte aligned. Also align the virtual memory as each
4692 * maibox is copied into the bmbx mailbox region before issuing the
4693 * command to the port.
4695 phba->sli4_hba.bmbx.dmabuf = dmabuf;
4696 phba->sli4_hba.bmbx.bmbx_size = bmbx_size;
4698 phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt,
4699 LPFC_ALIGN_16_BYTE);
4700 phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys,
4701 LPFC_ALIGN_16_BYTE);
4704 * Set the high and low physical addresses now. The SLI4 alignment
4705 * requirement is 16 bytes and the mailbox is posted to the port
4706 * as two 30-bit addresses. The other data is a bit marking whether
4707 * the 30-bit address is the high or low address.
4708 * Upcast bmbx aphys to 64bits so shift instruction compiles
4709 * clean on 32 bit machines.
4711 dma_address = &phba->sli4_hba.bmbx.dma_address;
4712 phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys;
4713 pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff);
4714 dma_address->addr_hi = (uint32_t) ((pa_addr << 2) |
4715 LPFC_BMBX_BIT1_ADDR_HI);
4717 pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff);
4718 dma_address->addr_lo = (uint32_t) ((pa_addr << 2) |
4719 LPFC_BMBX_BIT1_ADDR_LO);
4724 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
4725 * @phba: pointer to lpfc hba data structure.
4727 * This routine is invoked to teardown the bootstrap mailbox
4728 * region and release all host resources. This routine requires
4729 * the caller to ensure all mailbox commands recovered, no
4730 * additional mailbox comands are sent, and interrupts are disabled
4731 * before calling this routine.
4735 lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba)
4737 dma_free_coherent(&phba->pcidev->dev,
4738 phba->sli4_hba.bmbx.bmbx_size,
4739 phba->sli4_hba.bmbx.dmabuf->virt,
4740 phba->sli4_hba.bmbx.dmabuf->phys);
4742 kfree(phba->sli4_hba.bmbx.dmabuf);
4743 memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx));
4747 * lpfc_sli4_read_config - Get the config parameters.
4748 * @phba: pointer to lpfc hba data structure.
4750 * This routine is invoked to read the configuration parameters from the HBA.
4751 * The configuration parameters are used to set the base and maximum values
4752 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
4753 * allocation for the port.
4757 * ENOMEM - No availble memory
4758 * EIO - The mailbox failed to complete successfully.
4761 lpfc_sli4_read_config(struct lpfc_hba *phba)
4764 struct lpfc_mbx_read_config *rd_config;
4767 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4769 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4770 "2011 Unable to allocate memory for issuing "
4771 "SLI_CONFIG_SPECIAL mailbox command\n");
4775 lpfc_read_config(phba, pmb);
4777 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
4778 if (rc != MBX_SUCCESS) {
4779 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4780 "2012 Mailbox failed , mbxCmd x%x "
4781 "READ_CONFIG, mbxStatus x%x\n",
4782 bf_get(lpfc_mqe_command, &pmb->u.mqe),
4783 bf_get(lpfc_mqe_status, &pmb->u.mqe));
4786 rd_config = &pmb->u.mqe.un.rd_config;
4787 phba->sli4_hba.max_cfg_param.max_xri =
4788 bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
4789 phba->sli4_hba.max_cfg_param.xri_base =
4790 bf_get(lpfc_mbx_rd_conf_xri_base, rd_config);
4791 phba->sli4_hba.max_cfg_param.max_vpi =
4792 bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
4793 phba->sli4_hba.max_cfg_param.vpi_base =
4794 bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config);
4795 phba->sli4_hba.max_cfg_param.max_rpi =
4796 bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
4797 phba->sli4_hba.max_cfg_param.rpi_base =
4798 bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config);
4799 phba->sli4_hba.max_cfg_param.max_vfi =
4800 bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config);
4801 phba->sli4_hba.max_cfg_param.vfi_base =
4802 bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config);
4803 phba->sli4_hba.max_cfg_param.max_fcfi =
4804 bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config);
4805 phba->sli4_hba.max_cfg_param.fcfi_base =
4806 bf_get(lpfc_mbx_rd_conf_fcfi_base, rd_config);
4807 phba->sli4_hba.max_cfg_param.max_eq =
4808 bf_get(lpfc_mbx_rd_conf_eq_count, rd_config);
4809 phba->sli4_hba.max_cfg_param.max_rq =
4810 bf_get(lpfc_mbx_rd_conf_rq_count, rd_config);
4811 phba->sli4_hba.max_cfg_param.max_wq =
4812 bf_get(lpfc_mbx_rd_conf_wq_count, rd_config);
4813 phba->sli4_hba.max_cfg_param.max_cq =
4814 bf_get(lpfc_mbx_rd_conf_cq_count, rd_config);
4815 phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config);
4816 phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base;
4817 phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base;
4818 phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base;
4819 phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.rpi_base;
4820 phba->max_vpi = phba->sli4_hba.max_cfg_param.max_vpi;
4821 phba->max_vports = phba->max_vpi;
4822 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
4823 "2003 cfg params XRI(B:%d M:%d), "
4827 "FCFI(B:%d M:%d)\n",
4828 phba->sli4_hba.max_cfg_param.xri_base,
4829 phba->sli4_hba.max_cfg_param.max_xri,
4830 phba->sli4_hba.max_cfg_param.vpi_base,
4831 phba->sli4_hba.max_cfg_param.max_vpi,
4832 phba->sli4_hba.max_cfg_param.vfi_base,
4833 phba->sli4_hba.max_cfg_param.max_vfi,
4834 phba->sli4_hba.max_cfg_param.rpi_base,
4835 phba->sli4_hba.max_cfg_param.max_rpi,
4836 phba->sli4_hba.max_cfg_param.fcfi_base,
4837 phba->sli4_hba.max_cfg_param.max_fcfi);
4839 mempool_free(pmb, phba->mbox_mem_pool);
4841 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
4842 if (phba->cfg_hba_queue_depth > (phba->sli4_hba.max_cfg_param.max_xri))
4843 phba->cfg_hba_queue_depth =
4844 phba->sli4_hba.max_cfg_param.max_xri;
4849 * lpfc_dev_endian_order_setup - Notify the port of the host's endian order.
4850 * @phba: pointer to lpfc hba data structure.
4852 * This routine is invoked to setup the host-side endian order to the
4853 * HBA consistent with the SLI-4 interface spec.
4857 * ENOMEM - No availble memory
4858 * EIO - The mailbox failed to complete successfully.
4861 lpfc_setup_endian_order(struct lpfc_hba *phba)
4863 LPFC_MBOXQ_t *mboxq;
4865 uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0,
4866 HOST_ENDIAN_HIGH_WORD1};
4868 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4870 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4871 "0492 Unable to allocate memory for issuing "
4872 "SLI_CONFIG_SPECIAL mailbox command\n");
4877 * The SLI4_CONFIG_SPECIAL mailbox command requires the first two
4878 * words to contain special data values and no other data.
4880 memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
4881 memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data));
4882 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
4883 if (rc != MBX_SUCCESS) {
4884 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4885 "0493 SLI_CONFIG_SPECIAL mailbox failed with "
4891 mempool_free(mboxq, phba->mbox_mem_pool);
4896 * lpfc_sli4_queue_create - Create all the SLI4 queues
4897 * @phba: pointer to lpfc hba data structure.
4899 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
4900 * operation. For each SLI4 queue type, the parameters such as queue entry
4901 * count (queue depth) shall be taken from the module parameter. For now,
4902 * we just use some constant number as place holder.
4906 * ENOMEM - No availble memory
4907 * EIO - The mailbox failed to complete successfully.
4910 lpfc_sli4_queue_create(struct lpfc_hba *phba)
4912 struct lpfc_queue *qdesc;
4913 int fcp_eqidx, fcp_cqidx, fcp_wqidx;
4914 int cfg_fcp_wq_count;
4915 int cfg_fcp_eq_count;
4918 * Sanity check for confiugred queue parameters against the run-time
4922 /* Sanity check on FCP fast-path WQ parameters */
4923 cfg_fcp_wq_count = phba->cfg_fcp_wq_count;
4924 if (cfg_fcp_wq_count >
4925 (phba->sli4_hba.max_cfg_param.max_wq - LPFC_SP_WQN_DEF)) {
4926 cfg_fcp_wq_count = phba->sli4_hba.max_cfg_param.max_wq -
4928 if (cfg_fcp_wq_count < LPFC_FP_WQN_MIN) {
4929 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4930 "2581 Not enough WQs (%d) from "
4931 "the pci function for supporting "
4933 phba->sli4_hba.max_cfg_param.max_wq,
4934 phba->cfg_fcp_wq_count);
4937 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4938 "2582 Not enough WQs (%d) from the pci "
4939 "function for supporting the requested "
4940 "FCP WQs (%d), the actual FCP WQs can "
4941 "be supported: %d\n",
4942 phba->sli4_hba.max_cfg_param.max_wq,
4943 phba->cfg_fcp_wq_count, cfg_fcp_wq_count);
4945 /* The actual number of FCP work queues adopted */
4946 phba->cfg_fcp_wq_count = cfg_fcp_wq_count;
4948 /* Sanity check on FCP fast-path EQ parameters */
4949 cfg_fcp_eq_count = phba->cfg_fcp_eq_count;
4950 if (cfg_fcp_eq_count >
4951 (phba->sli4_hba.max_cfg_param.max_eq - LPFC_SP_EQN_DEF)) {
4952 cfg_fcp_eq_count = phba->sli4_hba.max_cfg_param.max_eq -
4954 if (cfg_fcp_eq_count < LPFC_FP_EQN_MIN) {
4955 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4956 "2574 Not enough EQs (%d) from the "
4957 "pci function for supporting FCP "
4959 phba->sli4_hba.max_cfg_param.max_eq,
4960 phba->cfg_fcp_eq_count);
4963 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4964 "2575 Not enough EQs (%d) from the pci "
4965 "function for supporting the requested "
4966 "FCP EQs (%d), the actual FCP EQs can "
4967 "be supported: %d\n",
4968 phba->sli4_hba.max_cfg_param.max_eq,
4969 phba->cfg_fcp_eq_count, cfg_fcp_eq_count);
4971 /* It does not make sense to have more EQs than WQs */
4972 if (cfg_fcp_eq_count > phba->cfg_fcp_wq_count) {
4973 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4974 "2593 The number of FCP EQs (%d) is more "
4975 "than the number of FCP WQs (%d), take "
4976 "the number of FCP EQs same as than of "
4977 "WQs (%d)\n", cfg_fcp_eq_count,
4978 phba->cfg_fcp_wq_count,
4979 phba->cfg_fcp_wq_count);
4980 cfg_fcp_eq_count = phba->cfg_fcp_wq_count;
4982 /* The actual number of FCP event queues adopted */
4983 phba->cfg_fcp_eq_count = cfg_fcp_eq_count;
4984 /* The overall number of event queues used */
4985 phba->sli4_hba.cfg_eqn = phba->cfg_fcp_eq_count + LPFC_SP_EQN_DEF;
4988 * Create Event Queues (EQs)
4991 /* Get EQ depth from module parameter, fake the default for now */
4992 phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B;
4993 phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT;
4995 /* Create slow path event queue */
4996 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
4997 phba->sli4_hba.eq_ecount);
4999 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5000 "0496 Failed allocate slow-path EQ\n");
5003 phba->sli4_hba.sp_eq = qdesc;
5005 /* Create fast-path FCP Event Queue(s) */
5006 phba->sli4_hba.fp_eq = kzalloc((sizeof(struct lpfc_queue *) *
5007 phba->cfg_fcp_eq_count), GFP_KERNEL);
5008 if (!phba->sli4_hba.fp_eq) {
5009 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5010 "2576 Failed allocate memory for fast-path "
5011 "EQ record array\n");
5012 goto out_free_sp_eq;
5014 for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_eq_count; fcp_eqidx++) {
5015 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
5016 phba->sli4_hba.eq_ecount);
5018 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5019 "0497 Failed allocate fast-path EQ\n");
5020 goto out_free_fp_eq;
5022 phba->sli4_hba.fp_eq[fcp_eqidx] = qdesc;
5026 * Create Complete Queues (CQs)
5029 /* Get CQ depth from module parameter, fake the default for now */
5030 phba->sli4_hba.cq_esize = LPFC_CQE_SIZE;
5031 phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT;
5033 /* Create slow-path Mailbox Command Complete Queue */
5034 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
5035 phba->sli4_hba.cq_ecount);
5037 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5038 "0500 Failed allocate slow-path mailbox CQ\n");
5039 goto out_free_fp_eq;
5041 phba->sli4_hba.mbx_cq = qdesc;
5043 /* Create slow-path ELS Complete Queue */
5044 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
5045 phba->sli4_hba.cq_ecount);
5047 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5048 "0501 Failed allocate slow-path ELS CQ\n");
5049 goto out_free_mbx_cq;
5051 phba->sli4_hba.els_cq = qdesc;
5053 /* Create slow-path Unsolicited Receive Complete Queue */
5054 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
5055 phba->sli4_hba.cq_ecount);
5057 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5058 "0502 Failed allocate slow-path USOL RX CQ\n");
5059 goto out_free_els_cq;
5061 phba->sli4_hba.rxq_cq = qdesc;
5063 /* Create fast-path FCP Completion Queue(s), one-to-one with EQs */
5064 phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) *
5065 phba->cfg_fcp_eq_count), GFP_KERNEL);
5066 if (!phba->sli4_hba.fcp_cq) {
5067 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5068 "2577 Failed allocate memory for fast-path "
5069 "CQ record array\n");
5070 goto out_free_rxq_cq;
5072 for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_eq_count; fcp_cqidx++) {
5073 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
5074 phba->sli4_hba.cq_ecount);
5076 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5077 "0499 Failed allocate fast-path FCP "
5078 "CQ (%d)\n", fcp_cqidx);
5079 goto out_free_fcp_cq;
5081 phba->sli4_hba.fcp_cq[fcp_cqidx] = qdesc;
5084 /* Create Mailbox Command Queue */
5085 phba->sli4_hba.mq_esize = LPFC_MQE_SIZE;
5086 phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT;
5088 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize,
5089 phba->sli4_hba.mq_ecount);
5091 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5092 "0505 Failed allocate slow-path MQ\n");
5093 goto out_free_fcp_cq;
5095 phba->sli4_hba.mbx_wq = qdesc;
5098 * Create all the Work Queues (WQs)
5100 phba->sli4_hba.wq_esize = LPFC_WQE_SIZE;
5101 phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT;
5103 /* Create slow-path ELS Work Queue */
5104 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
5105 phba->sli4_hba.wq_ecount);
5107 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5108 "0504 Failed allocate slow-path ELS WQ\n");
5109 goto out_free_mbx_wq;
5111 phba->sli4_hba.els_wq = qdesc;
5113 /* Create fast-path FCP Work Queue(s) */
5114 phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) *
5115 phba->cfg_fcp_wq_count), GFP_KERNEL);
5116 if (!phba->sli4_hba.fcp_wq) {
5117 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5118 "2578 Failed allocate memory for fast-path "
5119 "WQ record array\n");
5120 goto out_free_els_wq;
5122 for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_wq_count; fcp_wqidx++) {
5123 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
5124 phba->sli4_hba.wq_ecount);
5126 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5127 "0503 Failed allocate fast-path FCP "
5128 "WQ (%d)\n", fcp_wqidx);
5129 goto out_free_fcp_wq;
5131 phba->sli4_hba.fcp_wq[fcp_wqidx] = qdesc;
5135 * Create Receive Queue (RQ)
5137 phba->sli4_hba.rq_esize = LPFC_RQE_SIZE;
5138 phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT;
5140 /* Create Receive Queue for header */
5141 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
5142 phba->sli4_hba.rq_ecount);
5144 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5145 "0506 Failed allocate receive HRQ\n");
5146 goto out_free_fcp_wq;
5148 phba->sli4_hba.hdr_rq = qdesc;
5150 /* Create Receive Queue for data */
5151 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
5152 phba->sli4_hba.rq_ecount);
5154 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5155 "0507 Failed allocate receive DRQ\n");
5156 goto out_free_hdr_rq;
5158 phba->sli4_hba.dat_rq = qdesc;
5163 lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq);
5164 phba->sli4_hba.hdr_rq = NULL;
5166 for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--) {
5167 lpfc_sli4_queue_free(phba->sli4_hba.fcp_wq[fcp_wqidx]);
5168 phba->sli4_hba.fcp_wq[fcp_wqidx] = NULL;
5170 kfree(phba->sli4_hba.fcp_wq);
5172 lpfc_sli4_queue_free(phba->sli4_hba.els_wq);
5173 phba->sli4_hba.els_wq = NULL;
5175 lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq);
5176 phba->sli4_hba.mbx_wq = NULL;
5178 for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--) {
5179 lpfc_sli4_queue_free(phba->sli4_hba.fcp_cq[fcp_cqidx]);
5180 phba->sli4_hba.fcp_cq[fcp_cqidx] = NULL;
5182 kfree(phba->sli4_hba.fcp_cq);
5184 lpfc_sli4_queue_free(phba->sli4_hba.rxq_cq);
5185 phba->sli4_hba.rxq_cq = NULL;
5187 lpfc_sli4_queue_free(phba->sli4_hba.els_cq);
5188 phba->sli4_hba.els_cq = NULL;
5190 lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq);
5191 phba->sli4_hba.mbx_cq = NULL;
5193 for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--) {
5194 lpfc_sli4_queue_free(phba->sli4_hba.fp_eq[fcp_eqidx]);
5195 phba->sli4_hba.fp_eq[fcp_eqidx] = NULL;
5197 kfree(phba->sli4_hba.fp_eq);
5199 lpfc_sli4_queue_free(phba->sli4_hba.sp_eq);
5200 phba->sli4_hba.sp_eq = NULL;
5206 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
5207 * @phba: pointer to lpfc hba data structure.
5209 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
5214 * ENOMEM - No availble memory
5215 * EIO - The mailbox failed to complete successfully.
5218 lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
5222 /* Release mailbox command work queue */
5223 lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq);
5224 phba->sli4_hba.mbx_wq = NULL;
5226 /* Release ELS work queue */
5227 lpfc_sli4_queue_free(phba->sli4_hba.els_wq);
5228 phba->sli4_hba.els_wq = NULL;
5230 /* Release FCP work queue */
5231 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_wq_count; fcp_qidx++)
5232 lpfc_sli4_queue_free(phba->sli4_hba.fcp_wq[fcp_qidx]);
5233 kfree(phba->sli4_hba.fcp_wq);
5234 phba->sli4_hba.fcp_wq = NULL;
5236 /* Release unsolicited receive queue */
5237 lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq);
5238 phba->sli4_hba.hdr_rq = NULL;
5239 lpfc_sli4_queue_free(phba->sli4_hba.dat_rq);
5240 phba->sli4_hba.dat_rq = NULL;
5242 /* Release unsolicited receive complete queue */
5243 lpfc_sli4_queue_free(phba->sli4_hba.rxq_cq);
5244 phba->sli4_hba.rxq_cq = NULL;
5246 /* Release ELS complete queue */
5247 lpfc_sli4_queue_free(phba->sli4_hba.els_cq);
5248 phba->sli4_hba.els_cq = NULL;
5250 /* Release mailbox command complete queue */
5251 lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq);
5252 phba->sli4_hba.mbx_cq = NULL;
5254 /* Release FCP response complete queue */
5255 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++)
5256 lpfc_sli4_queue_free(phba->sli4_hba.fcp_cq[fcp_qidx]);
5257 kfree(phba->sli4_hba.fcp_cq);
5258 phba->sli4_hba.fcp_cq = NULL;
5260 /* Release fast-path event queue */
5261 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++)
5262 lpfc_sli4_queue_free(phba->sli4_hba.fp_eq[fcp_qidx]);
5263 kfree(phba->sli4_hba.fp_eq);
5264 phba->sli4_hba.fp_eq = NULL;
5266 /* Release slow-path event queue */
5267 lpfc_sli4_queue_free(phba->sli4_hba.sp_eq);
5268 phba->sli4_hba.sp_eq = NULL;
5274 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
5275 * @phba: pointer to lpfc hba data structure.
5277 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
5282 * ENOMEM - No availble memory
5283 * EIO - The mailbox failed to complete successfully.
5286 lpfc_sli4_queue_setup(struct lpfc_hba *phba)
5289 int fcp_eqidx, fcp_cqidx, fcp_wqidx;
5290 int fcp_cq_index = 0;
5293 * Set up Event Queues (EQs)
5296 /* Set up slow-path event queue */
5297 if (!phba->sli4_hba.sp_eq) {
5298 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5299 "0520 Slow-path EQ not allocated\n");
5302 rc = lpfc_eq_create(phba, phba->sli4_hba.sp_eq,
5305 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5306 "0521 Failed setup of slow-path EQ: "
5310 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5311 "2583 Slow-path EQ setup: queue-id=%d\n",
5312 phba->sli4_hba.sp_eq->queue_id);
5314 /* Set up fast-path event queue */
5315 for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_eq_count; fcp_eqidx++) {
5316 if (!phba->sli4_hba.fp_eq[fcp_eqidx]) {
5317 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5318 "0522 Fast-path EQ (%d) not "
5319 "allocated\n", fcp_eqidx);
5320 goto out_destroy_fp_eq;
5322 rc = lpfc_eq_create(phba, phba->sli4_hba.fp_eq[fcp_eqidx],
5323 phba->cfg_fcp_imax);
5325 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5326 "0523 Failed setup of fast-path EQ "
5327 "(%d), rc = 0x%x\n", fcp_eqidx, rc);
5328 goto out_destroy_fp_eq;
5330 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5331 "2584 Fast-path EQ setup: "
5332 "queue[%d]-id=%d\n", fcp_eqidx,
5333 phba->sli4_hba.fp_eq[fcp_eqidx]->queue_id);
5337 * Set up Complete Queues (CQs)
5340 /* Set up slow-path MBOX Complete Queue as the first CQ */
5341 if (!phba->sli4_hba.mbx_cq) {
5342 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5343 "0528 Mailbox CQ not allocated\n");
5344 goto out_destroy_fp_eq;
5346 rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq, phba->sli4_hba.sp_eq,
5347 LPFC_MCQ, LPFC_MBOX);
5349 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5350 "0529 Failed setup of slow-path mailbox CQ: "
5352 goto out_destroy_fp_eq;
5354 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5355 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
5356 phba->sli4_hba.mbx_cq->queue_id,
5357 phba->sli4_hba.sp_eq->queue_id);
5359 /* Set up slow-path ELS Complete Queue */
5360 if (!phba->sli4_hba.els_cq) {
5361 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5362 "0530 ELS CQ not allocated\n");
5363 goto out_destroy_mbx_cq;
5365 rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq, phba->sli4_hba.sp_eq,
5366 LPFC_WCQ, LPFC_ELS);
5368 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5369 "0531 Failed setup of slow-path ELS CQ: "
5371 goto out_destroy_mbx_cq;
5373 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5374 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
5375 phba->sli4_hba.els_cq->queue_id,
5376 phba->sli4_hba.sp_eq->queue_id);
5378 /* Set up slow-path Unsolicited Receive Complete Queue */
5379 if (!phba->sli4_hba.rxq_cq) {
5380 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5381 "0532 USOL RX CQ not allocated\n");
5382 goto out_destroy_els_cq;
5384 rc = lpfc_cq_create(phba, phba->sli4_hba.rxq_cq, phba->sli4_hba.sp_eq,
5385 LPFC_RCQ, LPFC_USOL);
5387 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5388 "0533 Failed setup of slow-path USOL RX CQ: "
5390 goto out_destroy_els_cq;
5392 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5393 "2587 USL CQ setup: cq-id=%d, parent eq-id=%d\n",
5394 phba->sli4_hba.rxq_cq->queue_id,
5395 phba->sli4_hba.sp_eq->queue_id);
5397 /* Set up fast-path FCP Response Complete Queue */
5398 for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_eq_count; fcp_cqidx++) {
5399 if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) {
5400 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5401 "0526 Fast-path FCP CQ (%d) not "
5402 "allocated\n", fcp_cqidx);
5403 goto out_destroy_fcp_cq;
5405 rc = lpfc_cq_create(phba, phba->sli4_hba.fcp_cq[fcp_cqidx],
5406 phba->sli4_hba.fp_eq[fcp_cqidx],
5407 LPFC_WCQ, LPFC_FCP);
5409 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5410 "0527 Failed setup of fast-path FCP "
5411 "CQ (%d), rc = 0x%x\n", fcp_cqidx, rc);
5412 goto out_destroy_fcp_cq;
5414 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5415 "2588 FCP CQ setup: cq[%d]-id=%d, "
5416 "parent eq[%d]-id=%d\n",
5418 phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id,
5420 phba->sli4_hba.fp_eq[fcp_cqidx]->queue_id);
5424 * Set up all the Work Queues (WQs)
5427 /* Set up Mailbox Command Queue */
5428 if (!phba->sli4_hba.mbx_wq) {
5429 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5430 "0538 Slow-path MQ not allocated\n");
5431 goto out_destroy_fcp_cq;
5433 rc = lpfc_mq_create(phba, phba->sli4_hba.mbx_wq,
5434 phba->sli4_hba.mbx_cq, LPFC_MBOX);
5436 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5437 "0539 Failed setup of slow-path MQ: "
5439 goto out_destroy_fcp_cq;
5441 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5442 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
5443 phba->sli4_hba.mbx_wq->queue_id,
5444 phba->sli4_hba.mbx_cq->queue_id);
5446 /* Set up slow-path ELS Work Queue */
5447 if (!phba->sli4_hba.els_wq) {
5448 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5449 "0536 Slow-path ELS WQ not allocated\n");
5450 goto out_destroy_mbx_wq;
5452 rc = lpfc_wq_create(phba, phba->sli4_hba.els_wq,
5453 phba->sli4_hba.els_cq, LPFC_ELS);
5455 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5456 "0537 Failed setup of slow-path ELS WQ: "
5458 goto out_destroy_mbx_wq;
5460 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5461 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
5462 phba->sli4_hba.els_wq->queue_id,
5463 phba->sli4_hba.els_cq->queue_id);
5465 /* Set up fast-path FCP Work Queue */
5466 for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_wq_count; fcp_wqidx++) {
5467 if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) {
5468 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5469 "0534 Fast-path FCP WQ (%d) not "
5470 "allocated\n", fcp_wqidx);
5471 goto out_destroy_fcp_wq;
5473 rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx],
5474 phba->sli4_hba.fcp_cq[fcp_cq_index],
5477 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5478 "0535 Failed setup of fast-path FCP "
5479 "WQ (%d), rc = 0x%x\n", fcp_wqidx, rc);
5480 goto out_destroy_fcp_wq;
5482 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5483 "2591 FCP WQ setup: wq[%d]-id=%d, "
5484 "parent cq[%d]-id=%d\n",
5486 phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id,
5488 phba->sli4_hba.fcp_cq[fcp_cq_index]->queue_id);
5489 /* Round robin FCP Work Queue's Completion Queue assignment */
5490 fcp_cq_index = ((fcp_cq_index + 1) % phba->cfg_fcp_eq_count);
5494 * Create Receive Queue (RQ)
5496 if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) {
5497 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5498 "0540 Receive Queue not allocated\n");
5499 goto out_destroy_fcp_wq;
5501 rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq,
5502 phba->sli4_hba.rxq_cq, LPFC_USOL);
5504 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5505 "0541 Failed setup of Receive Queue: "
5507 goto out_destroy_fcp_wq;
5509 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5510 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
5511 "parent cq-id=%d\n",
5512 phba->sli4_hba.hdr_rq->queue_id,
5513 phba->sli4_hba.dat_rq->queue_id,
5514 phba->sli4_hba.rxq_cq->queue_id);
5518 for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--)
5519 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]);
5520 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
5522 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
5524 for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--)
5525 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]);
5526 lpfc_cq_destroy(phba, phba->sli4_hba.rxq_cq);
5528 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
5530 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
5532 for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--)
5533 lpfc_eq_destroy(phba, phba->sli4_hba.fp_eq[fcp_eqidx]);
5534 lpfc_eq_destroy(phba, phba->sli4_hba.sp_eq);
5540 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
5541 * @phba: pointer to lpfc hba data structure.
5543 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
5548 * ENOMEM - No availble memory
5549 * EIO - The mailbox failed to complete successfully.
5552 lpfc_sli4_queue_unset(struct lpfc_hba *phba)
5556 /* Unset mailbox command work queue */
5557 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
5558 /* Unset ELS work queue */
5559 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
5560 /* Unset unsolicited receive queue */
5561 lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq);
5562 /* Unset FCP work queue */
5563 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_wq_count; fcp_qidx++)
5564 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_qidx]);
5565 /* Unset mailbox command complete queue */
5566 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
5567 /* Unset ELS complete queue */
5568 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
5569 /* Unset unsolicited receive complete queue */
5570 lpfc_cq_destroy(phba, phba->sli4_hba.rxq_cq);
5571 /* Unset FCP response complete queue */
5572 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++)
5573 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]);
5574 /* Unset fast-path event queue */
5575 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++)
5576 lpfc_eq_destroy(phba, phba->sli4_hba.fp_eq[fcp_qidx]);
5577 /* Unset slow-path event queue */
5578 lpfc_eq_destroy(phba, phba->sli4_hba.sp_eq);
5582 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
5583 * @phba: pointer to lpfc hba data structure.
5585 * This routine is invoked to allocate and set up a pool of completion queue
5586 * events. The body of the completion queue event is a completion queue entry
5587 * CQE. For now, this pool is used for the interrupt service routine to queue
5588 * the following HBA completion queue events for the worker thread to process:
5589 * - Mailbox asynchronous events
5590 * - Receive queue completion unsolicited events
5591 * Later, this can be used for all the slow-path events.
5595 * -ENOMEM - No availble memory
5598 lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba)
5600 struct lpfc_cq_event *cq_event;
5603 for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) {
5604 cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL);
5606 goto out_pool_create_fail;
5607 list_add_tail(&cq_event->list,
5608 &phba->sli4_hba.sp_cqe_event_pool);
5612 out_pool_create_fail:
5613 lpfc_sli4_cq_event_pool_destroy(phba);
5618 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
5619 * @phba: pointer to lpfc hba data structure.
5621 * This routine is invoked to free the pool of completion queue events at
5622 * driver unload time. Note that, it is the responsibility of the driver
5623 * cleanup routine to free all the outstanding completion-queue events
5624 * allocated from this pool back into the pool before invoking this routine
5625 * to destroy the pool.
5628 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba)
5630 struct lpfc_cq_event *cq_event, *next_cq_event;
5632 list_for_each_entry_safe(cq_event, next_cq_event,
5633 &phba->sli4_hba.sp_cqe_event_pool, list) {
5634 list_del(&cq_event->list);
5640 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
5641 * @phba: pointer to lpfc hba data structure.
5643 * This routine is the lock free version of the API invoked to allocate a
5644 * completion-queue event from the free pool.
5646 * Return: Pointer to the newly allocated completion-queue event if successful
5649 struct lpfc_cq_event *
5650 __lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
5652 struct lpfc_cq_event *cq_event = NULL;
5654 list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event,
5655 struct lpfc_cq_event, list);
5660 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
5661 * @phba: pointer to lpfc hba data structure.
5663 * This routine is the lock version of the API invoked to allocate a
5664 * completion-queue event from the free pool.
5666 * Return: Pointer to the newly allocated completion-queue event if successful
5669 struct lpfc_cq_event *
5670 lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
5672 struct lpfc_cq_event *cq_event;
5673 unsigned long iflags;
5675 spin_lock_irqsave(&phba->hbalock, iflags);
5676 cq_event = __lpfc_sli4_cq_event_alloc(phba);
5677 spin_unlock_irqrestore(&phba->hbalock, iflags);
5682 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
5683 * @phba: pointer to lpfc hba data structure.
5684 * @cq_event: pointer to the completion queue event to be freed.
5686 * This routine is the lock free version of the API invoked to release a
5687 * completion-queue event back into the free pool.
5690 __lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
5691 struct lpfc_cq_event *cq_event)
5693 list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool);
5697 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
5698 * @phba: pointer to lpfc hba data structure.
5699 * @cq_event: pointer to the completion queue event to be freed.
5701 * This routine is the lock version of the API invoked to release a
5702 * completion-queue event back into the free pool.
5705 lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
5706 struct lpfc_cq_event *cq_event)
5708 unsigned long iflags;
5709 spin_lock_irqsave(&phba->hbalock, iflags);
5710 __lpfc_sli4_cq_event_release(phba, cq_event);
5711 spin_unlock_irqrestore(&phba->hbalock, iflags);
5715 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
5716 * @phba: pointer to lpfc hba data structure.
5718 * This routine is to free all the pending completion-queue events to the
5719 * back into the free pool for device reset.
5722 lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba)
5725 struct lpfc_cq_event *cqe;
5726 unsigned long iflags;
5728 /* Retrieve all the pending WCQEs from pending WCQE lists */
5729 spin_lock_irqsave(&phba->hbalock, iflags);
5730 /* Pending FCP XRI abort events */
5731 list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue,
5733 /* Pending ELS XRI abort events */
5734 list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue,
5736 /* Pending asynnc events */
5737 list_splice_init(&phba->sli4_hba.sp_asynce_work_queue,
5739 spin_unlock_irqrestore(&phba->hbalock, iflags);
5741 while (!list_empty(&cqelist)) {
5742 list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list);
5743 lpfc_sli4_cq_event_release(phba, cqe);
5748 * lpfc_pci_function_reset - Reset pci function.
5749 * @phba: pointer to lpfc hba data structure.
5751 * This routine is invoked to request a PCI function reset. It will destroys
5752 * all resources assigned to the PCI function which originates this request.
5756 * ENOMEM - No availble memory
5757 * EIO - The mailbox failed to complete successfully.
5760 lpfc_pci_function_reset(struct lpfc_hba *phba)
5762 LPFC_MBOXQ_t *mboxq;
5764 uint32_t shdr_status, shdr_add_status;
5765 union lpfc_sli4_cfg_shdr *shdr;
5767 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
5769 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5770 "0494 Unable to allocate memory for issuing "
5771 "SLI_FUNCTION_RESET mailbox command\n");
5775 /* Set up PCI function reset SLI4_CONFIG mailbox-ioctl command */
5776 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
5777 LPFC_MBOX_OPCODE_FUNCTION_RESET, 0,
5778 LPFC_SLI4_MBX_EMBED);
5779 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
5780 shdr = (union lpfc_sli4_cfg_shdr *)
5781 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
5782 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
5783 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
5784 if (rc != MBX_TIMEOUT)
5785 mempool_free(mboxq, phba->mbox_mem_pool);
5786 if (shdr_status || shdr_add_status || rc) {
5787 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5788 "0495 SLI_FUNCTION_RESET mailbox failed with "
5789 "status x%x add_status x%x, mbx status x%x\n",
5790 shdr_status, shdr_add_status, rc);
5797 * lpfc_sli4_send_nop_mbox_cmds - Send sli-4 nop mailbox commands
5798 * @phba: pointer to lpfc hba data structure.
5799 * @cnt: number of nop mailbox commands to send.
5801 * This routine is invoked to send a number @cnt of NOP mailbox command and
5802 * wait for each command to complete.
5804 * Return: the number of NOP mailbox command completed.
5807 lpfc_sli4_send_nop_mbox_cmds(struct lpfc_hba *phba, uint32_t cnt)
5809 LPFC_MBOXQ_t *mboxq;
5810 int length, cmdsent;
5813 uint32_t shdr_status, shdr_add_status;
5814 union lpfc_sli4_cfg_shdr *shdr;
5817 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
5818 "2518 Requested to send 0 NOP mailbox cmd\n");
5822 mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
5824 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5825 "2519 Unable to allocate memory for issuing "
5826 "NOP mailbox command\n");
5830 /* Set up NOP SLI4_CONFIG mailbox-ioctl command */
5831 length = (sizeof(struct lpfc_mbx_nop) -
5832 sizeof(struct lpfc_sli4_cfg_mhdr));
5833 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
5834 LPFC_MBOX_OPCODE_NOP, length, LPFC_SLI4_MBX_EMBED);
5836 mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
5837 for (cmdsent = 0; cmdsent < cnt; cmdsent++) {
5838 if (!phba->sli4_hba.intr_enable)
5839 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
5841 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
5842 if (rc == MBX_TIMEOUT)
5844 /* Check return status */
5845 shdr = (union lpfc_sli4_cfg_shdr *)
5846 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
5847 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
5848 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
5850 if (shdr_status || shdr_add_status || rc) {
5851 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
5852 "2520 NOP mailbox command failed "
5853 "status x%x add_status x%x mbx "
5854 "status x%x\n", shdr_status,
5855 shdr_add_status, rc);
5860 if (rc != MBX_TIMEOUT)
5861 mempool_free(mboxq, phba->mbox_mem_pool);
5867 * lpfc_sli4_fcfi_unreg - Unregister fcfi to device
5868 * @phba: pointer to lpfc hba data structure.
5871 * This routine is invoked to unregister a FCFI from device.
5874 lpfc_sli4_fcfi_unreg(struct lpfc_hba *phba, uint16_t fcfi)
5879 unsigned long flags;
5881 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
5886 lpfc_unreg_fcfi(mbox, fcfi);
5888 if (!phba->sli4_hba.intr_enable)
5889 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
5891 mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
5892 rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
5894 if (rc != MBX_TIMEOUT)
5895 mempool_free(mbox, phba->mbox_mem_pool);
5896 if (rc != MBX_SUCCESS)
5897 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
5898 "2517 Unregister FCFI command failed "
5899 "status %d, mbxStatus x%x\n", rc,
5900 bf_get(lpfc_mqe_status, &mbox->u.mqe));
5902 spin_lock_irqsave(&phba->hbalock, flags);
5903 /* Mark the FCFI is no longer registered */
5904 phba->fcf.fcf_flag &=
5905 ~(FCF_AVAILABLE | FCF_REGISTERED | FCF_DISCOVERED);
5906 spin_unlock_irqrestore(&phba->hbalock, flags);
5911 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
5912 * @phba: pointer to lpfc hba data structure.
5914 * This routine is invoked to set up the PCI device memory space for device
5915 * with SLI-4 interface spec.
5919 * other values - error
5922 lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
5924 struct pci_dev *pdev;
5925 unsigned long bar0map_len, bar1map_len, bar2map_len;
5926 int error = -ENODEV;
5928 /* Obtain PCI device reference */
5932 pdev = phba->pcidev;
5934 /* Set the device DMA mask size */
5935 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)
5936 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)
5939 /* Get the bus address of SLI4 device Bar0, Bar1, and Bar2 and the
5940 * number of bytes required by each mapping. They are actually
5941 * mapping to the PCI BAR regions 1, 2, and 4 by the SLI4 device.
5943 phba->pci_bar0_map = pci_resource_start(pdev, LPFC_SLI4_BAR0);
5944 bar0map_len = pci_resource_len(pdev, LPFC_SLI4_BAR0);
5946 phba->pci_bar1_map = pci_resource_start(pdev, LPFC_SLI4_BAR1);
5947 bar1map_len = pci_resource_len(pdev, LPFC_SLI4_BAR1);
5949 phba->pci_bar2_map = pci_resource_start(pdev, LPFC_SLI4_BAR2);
5950 bar2map_len = pci_resource_len(pdev, LPFC_SLI4_BAR2);
5952 /* Map SLI4 PCI Config Space Register base to a kernel virtual addr */
5953 phba->sli4_hba.conf_regs_memmap_p =
5954 ioremap(phba->pci_bar0_map, bar0map_len);
5955 if (!phba->sli4_hba.conf_regs_memmap_p) {
5956 dev_printk(KERN_ERR, &pdev->dev,
5957 "ioremap failed for SLI4 PCI config registers.\n");
5961 /* Map SLI4 HBA Control Register base to a kernel virtual address. */
5962 phba->sli4_hba.ctrl_regs_memmap_p =
5963 ioremap(phba->pci_bar1_map, bar1map_len);
5964 if (!phba->sli4_hba.ctrl_regs_memmap_p) {
5965 dev_printk(KERN_ERR, &pdev->dev,
5966 "ioremap failed for SLI4 HBA control registers.\n");
5967 goto out_iounmap_conf;
5970 /* Map SLI4 HBA Doorbell Register base to a kernel virtual address. */
5971 phba->sli4_hba.drbl_regs_memmap_p =
5972 ioremap(phba->pci_bar2_map, bar2map_len);
5973 if (!phba->sli4_hba.drbl_regs_memmap_p) {
5974 dev_printk(KERN_ERR, &pdev->dev,
5975 "ioremap failed for SLI4 HBA doorbell registers.\n");
5976 goto out_iounmap_ctrl;
5979 /* Set up BAR0 PCI config space register memory map */
5980 lpfc_sli4_bar0_register_memmap(phba);
5982 /* Set up BAR1 register memory map */
5983 lpfc_sli4_bar1_register_memmap(phba);
5985 /* Set up BAR2 register memory map */
5986 error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0);
5988 goto out_iounmap_all;
5993 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
5995 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
5997 iounmap(phba->sli4_hba.conf_regs_memmap_p);
6003 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
6004 * @phba: pointer to lpfc hba data structure.
6006 * This routine is invoked to unset the PCI device memory space for device
6007 * with SLI-4 interface spec.
6010 lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba)
6012 struct pci_dev *pdev;
6014 /* Obtain PCI device reference */
6018 pdev = phba->pcidev;
6020 /* Free coherent DMA memory allocated */
6022 /* Unmap I/O memory space */
6023 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
6024 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
6025 iounmap(phba->sli4_hba.conf_regs_memmap_p);
6031 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
6032 * @phba: pointer to lpfc hba data structure.
6034 * This routine is invoked to enable the MSI-X interrupt vectors to device
6035 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
6036 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
6037 * invoked, enables either all or nothing, depending on the current
6038 * availability of PCI vector resources. The device driver is responsible
6039 * for calling the individual request_irq() to register each MSI-X vector
6040 * with a interrupt handler, which is done in this function. Note that
6041 * later when device is unloading, the driver should always call free_irq()
6042 * on all MSI-X vectors it has done request_irq() on before calling
6043 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
6044 * will be left with MSI-X enabled and leaks its vectors.
6048 * other values - error
6051 lpfc_sli_enable_msix(struct lpfc_hba *phba)
6056 /* Set up MSI-X multi-message vectors */
6057 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
6058 phba->msix_entries[i].entry = i;
6060 /* Configure MSI-X capability structure */
6061 rc = pci_enable_msix(phba->pcidev, phba->msix_entries,
6062 ARRAY_SIZE(phba->msix_entries));
6064 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6065 "0420 PCI enable MSI-X failed (%d)\n", rc);
6068 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
6069 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6070 "0477 MSI-X entry[%d]: vector=x%x "
6072 phba->msix_entries[i].vector,
6073 phba->msix_entries[i].entry);
6075 * Assign MSI-X vectors to interrupt handlers
6078 /* vector-0 is associated to slow-path handler */
6079 rc = request_irq(phba->msix_entries[0].vector,
6080 &lpfc_sli_sp_intr_handler, IRQF_SHARED,
6081 LPFC_SP_DRIVER_HANDLER_NAME, phba);
6083 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6084 "0421 MSI-X slow-path request_irq failed "
6089 /* vector-1 is associated to fast-path handler */
6090 rc = request_irq(phba->msix_entries[1].vector,
6091 &lpfc_sli_fp_intr_handler, IRQF_SHARED,
6092 LPFC_FP_DRIVER_HANDLER_NAME, phba);
6095 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6096 "0429 MSI-X fast-path request_irq failed "
6102 * Configure HBA MSI-X attention conditions to messages
6104 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
6108 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6109 "0474 Unable to allocate memory for issuing "
6110 "MBOX_CONFIG_MSI command\n");
6113 rc = lpfc_config_msi(phba, pmb);
6116 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
6117 if (rc != MBX_SUCCESS) {
6118 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
6119 "0351 Config MSI mailbox command failed, "
6120 "mbxCmd x%x, mbxStatus x%x\n",
6121 pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus);
6125 /* Free memory allocated for mailbox command */
6126 mempool_free(pmb, phba->mbox_mem_pool);
6130 /* Free memory allocated for mailbox command */
6131 mempool_free(pmb, phba->mbox_mem_pool);
6134 /* free the irq already requested */
6135 free_irq(phba->msix_entries[1].vector, phba);
6138 /* free the irq already requested */
6139 free_irq(phba->msix_entries[0].vector, phba);
6142 /* Unconfigure MSI-X capability structure */
6143 pci_disable_msix(phba->pcidev);
6148 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
6149 * @phba: pointer to lpfc hba data structure.
6151 * This routine is invoked to release the MSI-X vectors and then disable the
6152 * MSI-X interrupt mode to device with SLI-3 interface spec.
6155 lpfc_sli_disable_msix(struct lpfc_hba *phba)
6159 /* Free up MSI-X multi-message vectors */
6160 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
6161 free_irq(phba->msix_entries[i].vector, phba);
6163 pci_disable_msix(phba->pcidev);
6169 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
6170 * @phba: pointer to lpfc hba data structure.
6172 * This routine is invoked to enable the MSI interrupt mode to device with
6173 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
6174 * enable the MSI vector. The device driver is responsible for calling the
6175 * request_irq() to register MSI vector with a interrupt the handler, which
6176 * is done in this function.
6180 * other values - error
6183 lpfc_sli_enable_msi(struct lpfc_hba *phba)
6187 rc = pci_enable_msi(phba->pcidev);
6189 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6190 "0462 PCI enable MSI mode success.\n");
6192 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6193 "0471 PCI enable MSI mode failed (%d)\n", rc);
6197 rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
6198 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
6200 pci_disable_msi(phba->pcidev);
6201 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6202 "0478 MSI request_irq failed (%d)\n", rc);
6208 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
6209 * @phba: pointer to lpfc hba data structure.
6211 * This routine is invoked to disable the MSI interrupt mode to device with
6212 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
6213 * done request_irq() on before calling pci_disable_msi(). Failure to do so
6214 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
6218 lpfc_sli_disable_msi(struct lpfc_hba *phba)
6220 free_irq(phba->pcidev->irq, phba);
6221 pci_disable_msi(phba->pcidev);
6226 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
6227 * @phba: pointer to lpfc hba data structure.
6229 * This routine is invoked to enable device interrupt and associate driver's
6230 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
6231 * spec. Depends on the interrupt mode configured to the driver, the driver
6232 * will try to fallback from the configured interrupt mode to an interrupt
6233 * mode which is supported by the platform, kernel, and device in the order
6235 * MSI-X -> MSI -> IRQ.
6239 * other values - error
6242 lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
6244 uint32_t intr_mode = LPFC_INTR_ERROR;
6247 if (cfg_mode == 2) {
6248 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
6249 retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3);
6251 /* Now, try to enable MSI-X interrupt mode */
6252 retval = lpfc_sli_enable_msix(phba);
6254 /* Indicate initialization to MSI-X mode */
6255 phba->intr_type = MSIX;
6261 /* Fallback to MSI if MSI-X initialization failed */
6262 if (cfg_mode >= 1 && phba->intr_type == NONE) {
6263 retval = lpfc_sli_enable_msi(phba);
6265 /* Indicate initialization to MSI mode */
6266 phba->intr_type = MSI;
6271 /* Fallback to INTx if both MSI-X/MSI initalization failed */
6272 if (phba->intr_type == NONE) {
6273 retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
6274 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
6276 /* Indicate initialization to INTx mode */
6277 phba->intr_type = INTx;
6285 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
6286 * @phba: pointer to lpfc hba data structure.
6288 * This routine is invoked to disable device interrupt and disassociate the
6289 * driver's interrupt handler(s) from interrupt vector(s) to device with
6290 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
6291 * release the interrupt vector(s) for the message signaled interrupt.
6294 lpfc_sli_disable_intr(struct lpfc_hba *phba)
6296 /* Disable the currently initialized interrupt mode */
6297 if (phba->intr_type == MSIX)
6298 lpfc_sli_disable_msix(phba);
6299 else if (phba->intr_type == MSI)
6300 lpfc_sli_disable_msi(phba);
6301 else if (phba->intr_type == INTx)
6302 free_irq(phba->pcidev->irq, phba);
6304 /* Reset interrupt management states */
6305 phba->intr_type = NONE;
6306 phba->sli.slistat.sli_intr = 0;
6312 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
6313 * @phba: pointer to lpfc hba data structure.
6315 * This routine is invoked to enable the MSI-X interrupt vectors to device
6316 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
6317 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
6318 * enables either all or nothing, depending on the current availability of
6319 * PCI vector resources. The device driver is responsible for calling the
6320 * individual request_irq() to register each MSI-X vector with a interrupt
6321 * handler, which is done in this function. Note that later when device is
6322 * unloading, the driver should always call free_irq() on all MSI-X vectors
6323 * it has done request_irq() on before calling pci_disable_msix(). Failure
6324 * to do so results in a BUG_ON() and a device will be left with MSI-X
6325 * enabled and leaks its vectors.
6329 * other values - error
6332 lpfc_sli4_enable_msix(struct lpfc_hba *phba)
6336 /* Set up MSI-X multi-message vectors */
6337 for (index = 0; index < phba->sli4_hba.cfg_eqn; index++)
6338 phba->sli4_hba.msix_entries[index].entry = index;
6340 /* Configure MSI-X capability structure */
6341 rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries,
6342 phba->sli4_hba.cfg_eqn);
6344 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6345 "0484 PCI enable MSI-X failed (%d)\n", rc);
6348 /* Log MSI-X vector assignment */
6349 for (index = 0; index < phba->sli4_hba.cfg_eqn; index++)
6350 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6351 "0489 MSI-X entry[%d]: vector=x%x "
6352 "message=%d\n", index,
6353 phba->sli4_hba.msix_entries[index].vector,
6354 phba->sli4_hba.msix_entries[index].entry);
6356 * Assign MSI-X vectors to interrupt handlers
6359 /* The first vector must associated to slow-path handler for MQ */
6360 rc = request_irq(phba->sli4_hba.msix_entries[0].vector,
6361 &lpfc_sli4_sp_intr_handler, IRQF_SHARED,
6362 LPFC_SP_DRIVER_HANDLER_NAME, phba);
6364 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6365 "0485 MSI-X slow-path request_irq failed "
6370 /* The rest of the vector(s) are associated to fast-path handler(s) */
6371 for (index = 1; index < phba->sli4_hba.cfg_eqn; index++) {
6372 phba->sli4_hba.fcp_eq_hdl[index - 1].idx = index - 1;
6373 phba->sli4_hba.fcp_eq_hdl[index - 1].phba = phba;
6374 rc = request_irq(phba->sli4_hba.msix_entries[index].vector,
6375 &lpfc_sli4_fp_intr_handler, IRQF_SHARED,
6376 LPFC_FP_DRIVER_HANDLER_NAME,
6377 &phba->sli4_hba.fcp_eq_hdl[index - 1]);
6379 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6380 "0486 MSI-X fast-path (%d) "
6381 "request_irq failed (%d)\n", index, rc);
6389 /* free the irq already requested */
6390 for (--index; index >= 1; index--)
6391 free_irq(phba->sli4_hba.msix_entries[index - 1].vector,
6392 &phba->sli4_hba.fcp_eq_hdl[index - 1]);
6394 /* free the irq already requested */
6395 free_irq(phba->sli4_hba.msix_entries[0].vector, phba);
6398 /* Unconfigure MSI-X capability structure */
6399 pci_disable_msix(phba->pcidev);
6404 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
6405 * @phba: pointer to lpfc hba data structure.
6407 * This routine is invoked to release the MSI-X vectors and then disable the
6408 * MSI-X interrupt mode to device with SLI-4 interface spec.
6411 lpfc_sli4_disable_msix(struct lpfc_hba *phba)
6415 /* Free up MSI-X multi-message vectors */
6416 free_irq(phba->sli4_hba.msix_entries[0].vector, phba);
6418 for (index = 1; index < phba->sli4_hba.cfg_eqn; index++)
6419 free_irq(phba->sli4_hba.msix_entries[index].vector,
6420 &phba->sli4_hba.fcp_eq_hdl[index - 1]);
6422 pci_disable_msix(phba->pcidev);
6428 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
6429 * @phba: pointer to lpfc hba data structure.
6431 * This routine is invoked to enable the MSI interrupt mode to device with
6432 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
6433 * to enable the MSI vector. The device driver is responsible for calling
6434 * the request_irq() to register MSI vector with a interrupt the handler,
6435 * which is done in this function.
6439 * other values - error
6442 lpfc_sli4_enable_msi(struct lpfc_hba *phba)
6446 rc = pci_enable_msi(phba->pcidev);
6448 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6449 "0487 PCI enable MSI mode success.\n");
6451 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6452 "0488 PCI enable MSI mode failed (%d)\n", rc);
6456 rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
6457 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
6459 pci_disable_msi(phba->pcidev);
6460 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6461 "0490 MSI request_irq failed (%d)\n", rc);
6464 for (index = 0; index < phba->cfg_fcp_eq_count; index++) {
6465 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
6466 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
6473 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
6474 * @phba: pointer to lpfc hba data structure.
6476 * This routine is invoked to disable the MSI interrupt mode to device with
6477 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
6478 * done request_irq() on before calling pci_disable_msi(). Failure to do so
6479 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
6483 lpfc_sli4_disable_msi(struct lpfc_hba *phba)
6485 free_irq(phba->pcidev->irq, phba);
6486 pci_disable_msi(phba->pcidev);
6491 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
6492 * @phba: pointer to lpfc hba data structure.
6494 * This routine is invoked to enable device interrupt and associate driver's
6495 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
6496 * interface spec. Depends on the interrupt mode configured to the driver,
6497 * the driver will try to fallback from the configured interrupt mode to an
6498 * interrupt mode which is supported by the platform, kernel, and device in
6500 * MSI-X -> MSI -> IRQ.
6504 * other values - error
6507 lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
6509 uint32_t intr_mode = LPFC_INTR_ERROR;
6512 if (cfg_mode == 2) {
6513 /* Preparation before conf_msi mbox cmd */
6516 /* Now, try to enable MSI-X interrupt mode */
6517 retval = lpfc_sli4_enable_msix(phba);
6519 /* Indicate initialization to MSI-X mode */
6520 phba->intr_type = MSIX;
6526 /* Fallback to MSI if MSI-X initialization failed */
6527 if (cfg_mode >= 1 && phba->intr_type == NONE) {
6528 retval = lpfc_sli4_enable_msi(phba);
6530 /* Indicate initialization to MSI mode */
6531 phba->intr_type = MSI;
6536 /* Fallback to INTx if both MSI-X/MSI initalization failed */
6537 if (phba->intr_type == NONE) {
6538 retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
6539 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
6541 /* Indicate initialization to INTx mode */
6542 phba->intr_type = INTx;
6544 for (index = 0; index < phba->cfg_fcp_eq_count;
6546 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
6547 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
6555 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
6556 * @phba: pointer to lpfc hba data structure.
6558 * This routine is invoked to disable device interrupt and disassociate
6559 * the driver's interrupt handler(s) from interrupt vector(s) to device
6560 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
6561 * will release the interrupt vector(s) for the message signaled interrupt.
6564 lpfc_sli4_disable_intr(struct lpfc_hba *phba)
6566 /* Disable the currently initialized interrupt mode */
6567 if (phba->intr_type == MSIX)
6568 lpfc_sli4_disable_msix(phba);
6569 else if (phba->intr_type == MSI)
6570 lpfc_sli4_disable_msi(phba);
6571 else if (phba->intr_type == INTx)
6572 free_irq(phba->pcidev->irq, phba);
6574 /* Reset interrupt management states */
6575 phba->intr_type = NONE;
6576 phba->sli.slistat.sli_intr = 0;
6582 * lpfc_unset_hba - Unset SLI3 hba device initialization
6583 * @phba: pointer to lpfc hba data structure.
6585 * This routine is invoked to unset the HBA device initialization steps to
6586 * a device with SLI-3 interface spec.
6589 lpfc_unset_hba(struct lpfc_hba *phba)
6591 struct lpfc_vport *vport = phba->pport;
6592 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
6594 spin_lock_irq(shost->host_lock);
6595 vport->load_flag |= FC_UNLOADING;
6596 spin_unlock_irq(shost->host_lock);
6598 lpfc_stop_hba_timers(phba);
6600 phba->pport->work_port_events = 0;
6602 lpfc_sli_hba_down(phba);
6604 lpfc_sli_brdrestart(phba);
6606 lpfc_sli_disable_intr(phba);
6612 * lpfc_sli4_unset_hba - Unset SLI4 hba device initialization.
6613 * @phba: pointer to lpfc hba data structure.
6615 * This routine is invoked to unset the HBA device initialization steps to
6616 * a device with SLI-4 interface spec.
6619 lpfc_sli4_unset_hba(struct lpfc_hba *phba)
6621 struct lpfc_vport *vport = phba->pport;
6622 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
6624 spin_lock_irq(shost->host_lock);
6625 vport->load_flag |= FC_UNLOADING;
6626 spin_unlock_irq(shost->host_lock);
6628 phba->pport->work_port_events = 0;
6630 lpfc_sli4_hba_down(phba);
6632 lpfc_sli4_disable_intr(phba);
6638 * lpfc_sli4_hba_unset - Unset the fcoe hba
6639 * @phba: Pointer to HBA context object.
6641 * This function is called in the SLI4 code path to reset the HBA's FCoE
6642 * function. The caller is not required to hold any lock. This routine
6643 * issues PCI function reset mailbox command to reset the FCoE function.
6644 * At the end of the function, it calls lpfc_hba_down_post function to
6645 * free any pending commands.
6648 lpfc_sli4_hba_unset(struct lpfc_hba *phba)
6651 LPFC_MBOXQ_t *mboxq;
6653 lpfc_stop_hba_timers(phba);
6654 phba->sli4_hba.intr_enable = 0;
6657 * Gracefully wait out the potential current outstanding asynchronous
6661 /* First, block any pending async mailbox command from posted */
6662 spin_lock_irq(&phba->hbalock);
6663 phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK;
6664 spin_unlock_irq(&phba->hbalock);
6665 /* Now, trying to wait it out if we can */
6666 while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
6668 if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT)
6671 /* Forcefully release the outstanding mailbox command if timed out */
6672 if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
6673 spin_lock_irq(&phba->hbalock);
6674 mboxq = phba->sli.mbox_active;
6675 mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED;
6676 __lpfc_mbox_cmpl_put(phba, mboxq);
6677 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
6678 phba->sli.mbox_active = NULL;
6679 spin_unlock_irq(&phba->hbalock);
6682 /* Tear down the queues in the HBA */
6683 lpfc_sli4_queue_unset(phba);
6685 /* Disable PCI subsystem interrupt */
6686 lpfc_sli4_disable_intr(phba);
6688 /* Stop kthread signal shall trigger work_done one more time */
6689 kthread_stop(phba->worker_thread);
6691 /* Stop the SLI4 device port */
6692 phba->pport->work_port_events = 0;
6696 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
6697 * @pdev: pointer to PCI device
6698 * @pid: pointer to PCI device identifier
6700 * This routine is to be called to attach a device with SLI-3 interface spec
6701 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
6702 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
6703 * information of the device and driver to see if the driver state that it can
6704 * support this kind of device. If the match is successful, the driver core
6705 * invokes this routine. If this routine determines it can claim the HBA, it
6706 * does all the initialization that it needs to do to handle the HBA properly.
6709 * 0 - driver can claim the device
6710 * negative value - driver can not claim the device
6712 static int __devinit
6713 lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid)
6715 struct lpfc_hba *phba;
6716 struct lpfc_vport *vport = NULL;
6718 uint32_t cfg_mode, intr_mode;
6720 /* Allocate memory for HBA structure */
6721 phba = lpfc_hba_alloc(pdev);
6725 /* Perform generic PCI device enabling operation */
6726 error = lpfc_enable_pci_dev(phba);
6728 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6729 "1401 Failed to enable pci device.\n");
6733 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
6734 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP);
6736 goto out_disable_pci_dev;
6738 /* Set up SLI-3 specific device PCI memory space */
6739 error = lpfc_sli_pci_mem_setup(phba);
6741 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6742 "1402 Failed to set up pci memory space.\n");
6743 goto out_disable_pci_dev;
6746 /* Set up phase-1 common device driver resources */
6747 error = lpfc_setup_driver_resource_phase1(phba);
6749 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6750 "1403 Failed to set up driver resource.\n");
6751 goto out_unset_pci_mem_s3;
6754 /* Set up SLI-3 specific device driver resources */
6755 error = lpfc_sli_driver_resource_setup(phba);
6757 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6758 "1404 Failed to set up driver resource.\n");
6759 goto out_unset_pci_mem_s3;
6762 /* Initialize and populate the iocb list per host */
6763 error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT);
6765 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6766 "1405 Failed to initialize iocb list.\n");
6767 goto out_unset_driver_resource_s3;
6770 /* Set up common device driver resources */
6771 error = lpfc_setup_driver_resource_phase2(phba);
6773 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6774 "1406 Failed to set up driver resource.\n");
6775 goto out_free_iocb_list;
6778 /* Create SCSI host to the physical port */
6779 error = lpfc_create_shost(phba);
6781 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6782 "1407 Failed to create scsi host.\n");
6783 goto out_unset_driver_resource;
6786 /* Configure sysfs attributes */
6787 vport = phba->pport;
6788 error = lpfc_alloc_sysfs_attr(vport);
6790 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6791 "1476 Failed to allocate sysfs attr\n");
6792 goto out_destroy_shost;
6795 /* Now, trying to enable interrupt and bring up the device */
6796 cfg_mode = phba->cfg_use_msi;
6798 /* Put device to a known state before enabling interrupt */
6799 lpfc_stop_port(phba);
6800 /* Configure and enable interrupt */
6801 intr_mode = lpfc_sli_enable_intr(phba, cfg_mode);
6802 if (intr_mode == LPFC_INTR_ERROR) {
6803 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6804 "0431 Failed to enable interrupt.\n");
6806 goto out_free_sysfs_attr;
6808 /* SLI-3 HBA setup */
6809 if (lpfc_sli_hba_setup(phba)) {
6810 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6811 "1477 Failed to set up hba\n");
6813 goto out_remove_device;
6816 /* Wait 50ms for the interrupts of previous mailbox commands */
6818 /* Check active interrupts on message signaled interrupts */
6819 if (intr_mode == 0 ||
6820 phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) {
6821 /* Log the current active interrupt mode */
6822 phba->intr_mode = intr_mode;
6823 lpfc_log_intr_mode(phba, intr_mode);
6826 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6827 "0447 Configure interrupt mode (%d) "
6828 "failed active interrupt test.\n",
6830 /* Disable the current interrupt mode */
6831 lpfc_sli_disable_intr(phba);
6832 /* Try next level of interrupt mode */
6833 cfg_mode = --intr_mode;
6837 /* Perform post initialization setup */
6838 lpfc_post_init_setup(phba);
6840 /* Check if there are static vports to be created. */
6841 lpfc_create_static_vport(phba);
6846 lpfc_unset_hba(phba);
6847 out_free_sysfs_attr:
6848 lpfc_free_sysfs_attr(vport);
6850 lpfc_destroy_shost(phba);
6851 out_unset_driver_resource:
6852 lpfc_unset_driver_resource_phase2(phba);
6854 lpfc_free_iocb_list(phba);
6855 out_unset_driver_resource_s3:
6856 lpfc_sli_driver_resource_unset(phba);
6857 out_unset_pci_mem_s3:
6858 lpfc_sli_pci_mem_unset(phba);
6859 out_disable_pci_dev:
6860 lpfc_disable_pci_dev(phba);
6862 lpfc_hba_free(phba);
6867 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
6868 * @pdev: pointer to PCI device
6870 * This routine is to be called to disattach a device with SLI-3 interface
6871 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
6872 * removed from PCI bus, it performs all the necessary cleanup for the HBA
6873 * device to be removed from the PCI subsystem properly.
6875 static void __devexit
6876 lpfc_pci_remove_one_s3(struct pci_dev *pdev)
6878 struct Scsi_Host *shost = pci_get_drvdata(pdev);
6879 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6880 struct lpfc_vport **vports;
6881 struct lpfc_hba *phba = vport->phba;
6883 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
6885 spin_lock_irq(&phba->hbalock);
6886 vport->load_flag |= FC_UNLOADING;
6887 spin_unlock_irq(&phba->hbalock);
6889 lpfc_free_sysfs_attr(vport);
6891 /* Release all the vports against this physical port */
6892 vports = lpfc_create_vport_work_array(phba);
6894 for (i = 1; i <= phba->max_vports && vports[i] != NULL; i++)
6895 fc_vport_terminate(vports[i]->fc_vport);
6896 lpfc_destroy_vport_work_array(phba, vports);
6898 /* Remove FC host and then SCSI host with the physical port */
6899 fc_remove_host(shost);
6900 scsi_remove_host(shost);
6901 lpfc_cleanup(vport);
6904 * Bring down the SLI Layer. This step disable all interrupts,
6905 * clears the rings, discards all mailbox commands, and resets
6909 /* HBA interrupt will be diabled after this call */
6910 lpfc_sli_hba_down(phba);
6911 /* Stop kthread signal shall trigger work_done one more time */
6912 kthread_stop(phba->worker_thread);
6913 /* Final cleanup of txcmplq and reset the HBA */
6914 lpfc_sli_brdrestart(phba);
6916 lpfc_stop_hba_timers(phba);
6917 spin_lock_irq(&phba->hbalock);
6918 list_del_init(&vport->listentry);
6919 spin_unlock_irq(&phba->hbalock);
6921 lpfc_debugfs_terminate(vport);
6923 /* Disable interrupt */
6924 lpfc_sli_disable_intr(phba);
6926 pci_set_drvdata(pdev, NULL);
6927 scsi_host_put(shost);
6930 * Call scsi_free before mem_free since scsi bufs are released to their
6931 * corresponding pools here.
6933 lpfc_scsi_free(phba);
6934 lpfc_mem_free_all(phba);
6936 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
6937 phba->hbqslimp.virt, phba->hbqslimp.phys);
6939 /* Free resources associated with SLI2 interface */
6940 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
6941 phba->slim2p.virt, phba->slim2p.phys);
6943 /* unmap adapter SLIM and Control Registers */
6944 iounmap(phba->ctrl_regs_memmap_p);
6945 iounmap(phba->slim_memmap_p);
6947 lpfc_hba_free(phba);
6949 pci_release_selected_regions(pdev, bars);
6950 pci_disable_device(pdev);
6954 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
6955 * @pdev: pointer to PCI device
6956 * @msg: power management message
6958 * This routine is to be called from the kernel's PCI subsystem to support
6959 * system Power Management (PM) to device with SLI-3 interface spec. When
6960 * PM invokes this method, it quiesces the device by stopping the driver's
6961 * worker thread for the device, turning off device's interrupt and DMA,
6962 * and bring the device offline. Note that as the driver implements the
6963 * minimum PM requirements to a power-aware driver's PM support for the
6964 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
6965 * to the suspend() method call will be treated as SUSPEND and the driver will
6966 * fully reinitialize its device during resume() method call, the driver will
6967 * set device to PCI_D3hot state in PCI config space instead of setting it
6968 * according to the @msg provided by the PM.
6971 * 0 - driver suspended the device
6975 lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg)
6977 struct Scsi_Host *shost = pci_get_drvdata(pdev);
6978 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
6980 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6981 "0473 PCI device Power Management suspend.\n");
6983 /* Bring down the device */
6984 lpfc_offline_prep(phba);
6986 kthread_stop(phba->worker_thread);
6988 /* Disable interrupt from device */
6989 lpfc_sli_disable_intr(phba);
6991 /* Save device state to PCI config space */
6992 pci_save_state(pdev);
6993 pci_set_power_state(pdev, PCI_D3hot);
6999 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
7000 * @pdev: pointer to PCI device
7002 * This routine is to be called from the kernel's PCI subsystem to support
7003 * system Power Management (PM) to device with SLI-3 interface spec. When PM
7004 * invokes this method, it restores the device's PCI config space state and
7005 * fully reinitializes the device and brings it online. Note that as the
7006 * driver implements the minimum PM requirements to a power-aware driver's
7007 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
7008 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
7009 * driver will fully reinitialize its device during resume() method call,
7010 * the device will be set to PCI_D0 directly in PCI config space before
7011 * restoring the state.
7014 * 0 - driver suspended the device
7018 lpfc_pci_resume_one_s3(struct pci_dev *pdev)
7020 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7021 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7025 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7026 "0452 PCI device Power Management resume.\n");
7028 /* Restore device state from PCI config space */
7029 pci_set_power_state(pdev, PCI_D0);
7030 pci_restore_state(pdev);
7031 if (pdev->is_busmaster)
7032 pci_set_master(pdev);
7034 /* Startup the kernel thread for this host adapter. */
7035 phba->worker_thread = kthread_run(lpfc_do_work, phba,
7036 "lpfc_worker_%d", phba->brd_no);
7037 if (IS_ERR(phba->worker_thread)) {
7038 error = PTR_ERR(phba->worker_thread);
7039 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7040 "0434 PM resume failed to start worker "
7041 "thread: error=x%x.\n", error);
7045 /* Configure and enable interrupt */
7046 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
7047 if (intr_mode == LPFC_INTR_ERROR) {
7048 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7049 "0430 PM resume Failed to enable interrupt\n");
7052 phba->intr_mode = intr_mode;
7054 /* Restart HBA and bring it online */
7055 lpfc_sli_brdrestart(phba);
7058 /* Log the current active interrupt mode */
7059 lpfc_log_intr_mode(phba, phba->intr_mode);
7065 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
7066 * @pdev: pointer to PCI device.
7067 * @state: the current PCI connection state.
7069 * This routine is called from the PCI subsystem for I/O error handling to
7070 * device with SLI-3 interface spec. This function is called by the PCI
7071 * subsystem after a PCI bus error affecting this device has been detected.
7072 * When this function is invoked, it will need to stop all the I/Os and
7073 * interrupt(s) to the device. Once that is done, it will return
7074 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
7078 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
7079 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7081 static pci_ers_result_t
7082 lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state)
7084 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7085 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7086 struct lpfc_sli *psli = &phba->sli;
7087 struct lpfc_sli_ring *pring;
7089 if (state == pci_channel_io_perm_failure) {
7090 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7091 "0472 PCI channel I/O permanent failure\n");
7092 /* Block all SCSI devices' I/Os on the host */
7093 lpfc_scsi_dev_block(phba);
7094 /* Clean up all driver's outstanding SCSI I/Os */
7095 lpfc_sli_flush_fcp_rings(phba);
7096 return PCI_ERS_RESULT_DISCONNECT;
7099 pci_disable_device(pdev);
7101 * There may be I/Os dropped by the firmware.
7102 * Error iocb (I/O) on txcmplq and let the SCSI layer
7103 * retry it after re-establishing link.
7105 pring = &psli->ring[psli->fcp_ring];
7106 lpfc_sli_abort_iocb_ring(phba, pring);
7108 /* Disable interrupt */
7109 lpfc_sli_disable_intr(phba);
7111 /* Request a slot reset. */
7112 return PCI_ERS_RESULT_NEED_RESET;
7116 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
7117 * @pdev: pointer to PCI device.
7119 * This routine is called from the PCI subsystem for error handling to
7120 * device with SLI-3 interface spec. This is called after PCI bus has been
7121 * reset to restart the PCI card from scratch, as if from a cold-boot.
7122 * During the PCI subsystem error recovery, after driver returns
7123 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
7124 * recovery and then call this routine before calling the .resume method
7125 * to recover the device. This function will initialize the HBA device,
7126 * enable the interrupt, but it will just put the HBA to offline state
7127 * without passing any I/O traffic.
7130 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
7131 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7133 static pci_ers_result_t
7134 lpfc_io_slot_reset_s3(struct pci_dev *pdev)
7136 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7137 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7138 struct lpfc_sli *psli = &phba->sli;
7141 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
7142 if (pci_enable_device_mem(pdev)) {
7143 printk(KERN_ERR "lpfc: Cannot re-enable "
7144 "PCI device after reset.\n");
7145 return PCI_ERS_RESULT_DISCONNECT;
7148 pci_restore_state(pdev);
7149 if (pdev->is_busmaster)
7150 pci_set_master(pdev);
7152 spin_lock_irq(&phba->hbalock);
7153 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
7154 spin_unlock_irq(&phba->hbalock);
7156 /* Configure and enable interrupt */
7157 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
7158 if (intr_mode == LPFC_INTR_ERROR) {
7159 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7160 "0427 Cannot re-enable interrupt after "
7162 return PCI_ERS_RESULT_DISCONNECT;
7164 phba->intr_mode = intr_mode;
7166 /* Take device offline; this will perform cleanup */
7168 lpfc_sli_brdrestart(phba);
7170 /* Log the current active interrupt mode */
7171 lpfc_log_intr_mode(phba, phba->intr_mode);
7173 return PCI_ERS_RESULT_RECOVERED;
7177 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
7178 * @pdev: pointer to PCI device
7180 * This routine is called from the PCI subsystem for error handling to device
7181 * with SLI-3 interface spec. It is called when kernel error recovery tells
7182 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
7183 * error recovery. After this call, traffic can start to flow from this device
7187 lpfc_io_resume_s3(struct pci_dev *pdev)
7189 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7190 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7196 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
7197 * @phba: pointer to lpfc hba data structure.
7199 * returns the number of ELS/CT IOCBs to reserve
7202 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba)
7204 int max_xri = phba->sli4_hba.max_cfg_param.max_xri;
7206 if (phba->sli_rev == LPFC_SLI_REV4) {
7209 else if (max_xri <= 256)
7211 else if (max_xri <= 512)
7213 else if (max_xri <= 1024)
7222 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
7223 * @pdev: pointer to PCI device
7224 * @pid: pointer to PCI device identifier
7226 * This routine is called from the kernel's PCI subsystem to device with
7227 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
7228 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
7229 * information of the device and driver to see if the driver state that it
7230 * can support this kind of device. If the match is successful, the driver
7231 * core invokes this routine. If this routine determines it can claim the HBA,
7232 * it does all the initialization that it needs to do to handle the HBA
7236 * 0 - driver can claim the device
7237 * negative value - driver can not claim the device
7239 static int __devinit
7240 lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
7242 struct lpfc_hba *phba;
7243 struct lpfc_vport *vport = NULL;
7245 uint32_t cfg_mode, intr_mode;
7248 /* Allocate memory for HBA structure */
7249 phba = lpfc_hba_alloc(pdev);
7253 /* Perform generic PCI device enabling operation */
7254 error = lpfc_enable_pci_dev(phba);
7256 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7257 "1409 Failed to enable pci device.\n");
7261 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
7262 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC);
7264 goto out_disable_pci_dev;
7266 /* Set up SLI-4 specific device PCI memory space */
7267 error = lpfc_sli4_pci_mem_setup(phba);
7269 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7270 "1410 Failed to set up pci memory space.\n");
7271 goto out_disable_pci_dev;
7274 /* Set up phase-1 common device driver resources */
7275 error = lpfc_setup_driver_resource_phase1(phba);
7277 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7278 "1411 Failed to set up driver resource.\n");
7279 goto out_unset_pci_mem_s4;
7282 /* Set up SLI-4 Specific device driver resources */
7283 error = lpfc_sli4_driver_resource_setup(phba);
7285 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7286 "1412 Failed to set up driver resource.\n");
7287 goto out_unset_pci_mem_s4;
7290 /* Initialize and populate the iocb list per host */
7291 error = lpfc_init_iocb_list(phba,
7292 phba->sli4_hba.max_cfg_param.max_xri);
7294 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7295 "1413 Failed to initialize iocb list.\n");
7296 goto out_unset_driver_resource_s4;
7299 /* Set up common device driver resources */
7300 error = lpfc_setup_driver_resource_phase2(phba);
7302 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7303 "1414 Failed to set up driver resource.\n");
7304 goto out_free_iocb_list;
7307 /* Create SCSI host to the physical port */
7308 error = lpfc_create_shost(phba);
7310 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7311 "1415 Failed to create scsi host.\n");
7312 goto out_unset_driver_resource;
7315 /* Configure sysfs attributes */
7316 vport = phba->pport;
7317 error = lpfc_alloc_sysfs_attr(vport);
7319 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7320 "1416 Failed to allocate sysfs attr\n");
7321 goto out_destroy_shost;
7324 /* Now, trying to enable interrupt and bring up the device */
7325 cfg_mode = phba->cfg_use_msi;
7327 /* Put device to a known state before enabling interrupt */
7328 lpfc_stop_port(phba);
7329 /* Configure and enable interrupt */
7330 intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode);
7331 if (intr_mode == LPFC_INTR_ERROR) {
7332 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7333 "0426 Failed to enable interrupt.\n");
7335 goto out_free_sysfs_attr;
7337 /* Set up SLI-4 HBA */
7338 if (lpfc_sli4_hba_setup(phba)) {
7339 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7340 "1421 Failed to set up hba\n");
7342 goto out_disable_intr;
7345 /* Send NOP mbx cmds for non-INTx mode active interrupt test */
7347 mcnt = lpfc_sli4_send_nop_mbox_cmds(phba,
7350 /* Check active interrupts received only for MSI/MSI-X */
7351 if (intr_mode == 0 ||
7352 phba->sli.slistat.sli_intr >= LPFC_ACT_INTR_CNT) {
7353 /* Log the current active interrupt mode */
7354 phba->intr_mode = intr_mode;
7355 lpfc_log_intr_mode(phba, intr_mode);
7358 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7359 "0451 Configure interrupt mode (%d) "
7360 "failed active interrupt test.\n",
7362 /* Unset the preivous SLI-4 HBA setup */
7363 lpfc_sli4_unset_hba(phba);
7364 /* Try next level of interrupt mode */
7365 cfg_mode = --intr_mode;
7368 /* Perform post initialization setup */
7369 lpfc_post_init_setup(phba);
7374 lpfc_sli4_disable_intr(phba);
7375 out_free_sysfs_attr:
7376 lpfc_free_sysfs_attr(vport);
7378 lpfc_destroy_shost(phba);
7379 out_unset_driver_resource:
7380 lpfc_unset_driver_resource_phase2(phba);
7382 lpfc_free_iocb_list(phba);
7383 out_unset_driver_resource_s4:
7384 lpfc_sli4_driver_resource_unset(phba);
7385 out_unset_pci_mem_s4:
7386 lpfc_sli4_pci_mem_unset(phba);
7387 out_disable_pci_dev:
7388 lpfc_disable_pci_dev(phba);
7390 lpfc_hba_free(phba);
7395 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
7396 * @pdev: pointer to PCI device
7398 * This routine is called from the kernel's PCI subsystem to device with
7399 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
7400 * removed from PCI bus, it performs all the necessary cleanup for the HBA
7401 * device to be removed from the PCI subsystem properly.
7403 static void __devexit
7404 lpfc_pci_remove_one_s4(struct pci_dev *pdev)
7406 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7407 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
7408 struct lpfc_vport **vports;
7409 struct lpfc_hba *phba = vport->phba;
7412 /* Mark the device unloading flag */
7413 spin_lock_irq(&phba->hbalock);
7414 vport->load_flag |= FC_UNLOADING;
7415 spin_unlock_irq(&phba->hbalock);
7417 /* Free the HBA sysfs attributes */
7418 lpfc_free_sysfs_attr(vport);
7420 /* Release all the vports against this physical port */
7421 vports = lpfc_create_vport_work_array(phba);
7423 for (i = 1; i <= phba->max_vports && vports[i] != NULL; i++)
7424 fc_vport_terminate(vports[i]->fc_vport);
7425 lpfc_destroy_vport_work_array(phba, vports);
7427 /* Remove FC host and then SCSI host with the physical port */
7428 fc_remove_host(shost);
7429 scsi_remove_host(shost);
7431 /* Perform cleanup on the physical port */
7432 lpfc_cleanup(vport);
7435 * Bring down the SLI Layer. This step disables all interrupts,
7436 * clears the rings, discards all mailbox commands, and resets
7437 * the HBA FCoE function.
7439 lpfc_debugfs_terminate(vport);
7440 lpfc_sli4_hba_unset(phba);
7442 spin_lock_irq(&phba->hbalock);
7443 list_del_init(&vport->listentry);
7444 spin_unlock_irq(&phba->hbalock);
7446 /* Call scsi_free before lpfc_sli4_driver_resource_unset since scsi
7447 * buffers are released to their corresponding pools here.
7449 lpfc_scsi_free(phba);
7450 lpfc_sli4_driver_resource_unset(phba);
7452 /* Unmap adapter Control and Doorbell registers */
7453 lpfc_sli4_pci_mem_unset(phba);
7455 /* Release PCI resources and disable device's PCI function */
7456 scsi_host_put(shost);
7457 lpfc_disable_pci_dev(phba);
7459 /* Finally, free the driver's device data structure */
7460 lpfc_hba_free(phba);
7466 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
7467 * @pdev: pointer to PCI device
7468 * @msg: power management message
7470 * This routine is called from the kernel's PCI subsystem to support system
7471 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
7472 * this method, it quiesces the device by stopping the driver's worker
7473 * thread for the device, turning off device's interrupt and DMA, and bring
7474 * the device offline. Note that as the driver implements the minimum PM
7475 * requirements to a power-aware driver's PM support for suspend/resume -- all
7476 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
7477 * method call will be treated as SUSPEND and the driver will fully
7478 * reinitialize its device during resume() method call, the driver will set
7479 * device to PCI_D3hot state in PCI config space instead of setting it
7480 * according to the @msg provided by the PM.
7483 * 0 - driver suspended the device
7487 lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg)
7489 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7490 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7492 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7493 "0298 PCI device Power Management suspend.\n");
7495 /* Bring down the device */
7496 lpfc_offline_prep(phba);
7498 kthread_stop(phba->worker_thread);
7500 /* Disable interrupt from device */
7501 lpfc_sli4_disable_intr(phba);
7503 /* Save device state to PCI config space */
7504 pci_save_state(pdev);
7505 pci_set_power_state(pdev, PCI_D3hot);
7511 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
7512 * @pdev: pointer to PCI device
7514 * This routine is called from the kernel's PCI subsystem to support system
7515 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
7516 * this method, it restores the device's PCI config space state and fully
7517 * reinitializes the device and brings it online. Note that as the driver
7518 * implements the minimum PM requirements to a power-aware driver's PM for
7519 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
7520 * to the suspend() method call will be treated as SUSPEND and the driver
7521 * will fully reinitialize its device during resume() method call, the device
7522 * will be set to PCI_D0 directly in PCI config space before restoring the
7526 * 0 - driver suspended the device
7530 lpfc_pci_resume_one_s4(struct pci_dev *pdev)
7532 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7533 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7537 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7538 "0292 PCI device Power Management resume.\n");
7540 /* Restore device state from PCI config space */
7541 pci_set_power_state(pdev, PCI_D0);
7542 pci_restore_state(pdev);
7543 if (pdev->is_busmaster)
7544 pci_set_master(pdev);
7546 /* Startup the kernel thread for this host adapter. */
7547 phba->worker_thread = kthread_run(lpfc_do_work, phba,
7548 "lpfc_worker_%d", phba->brd_no);
7549 if (IS_ERR(phba->worker_thread)) {
7550 error = PTR_ERR(phba->worker_thread);
7551 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7552 "0293 PM resume failed to start worker "
7553 "thread: error=x%x.\n", error);
7557 /* Configure and enable interrupt */
7558 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
7559 if (intr_mode == LPFC_INTR_ERROR) {
7560 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7561 "0294 PM resume Failed to enable interrupt\n");
7564 phba->intr_mode = intr_mode;
7566 /* Restart HBA and bring it online */
7567 lpfc_sli_brdrestart(phba);
7570 /* Log the current active interrupt mode */
7571 lpfc_log_intr_mode(phba, phba->intr_mode);
7577 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
7578 * @pdev: pointer to PCI device.
7579 * @state: the current PCI connection state.
7581 * This routine is called from the PCI subsystem for error handling to device
7582 * with SLI-4 interface spec. This function is called by the PCI subsystem
7583 * after a PCI bus error affecting this device has been detected. When this
7584 * function is invoked, it will need to stop all the I/Os and interrupt(s)
7585 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
7586 * for the PCI subsystem to perform proper recovery as desired.
7589 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
7590 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7592 static pci_ers_result_t
7593 lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state)
7595 return PCI_ERS_RESULT_NEED_RESET;
7599 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
7600 * @pdev: pointer to PCI device.
7602 * This routine is called from the PCI subsystem for error handling to device
7603 * with SLI-4 interface spec. It is called after PCI bus has been reset to
7604 * restart the PCI card from scratch, as if from a cold-boot. During the
7605 * PCI subsystem error recovery, after the driver returns
7606 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
7607 * recovery and then call this routine before calling the .resume method to
7608 * recover the device. This function will initialize the HBA device, enable
7609 * the interrupt, but it will just put the HBA to offline state without
7610 * passing any I/O traffic.
7613 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
7614 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7616 static pci_ers_result_t
7617 lpfc_io_slot_reset_s4(struct pci_dev *pdev)
7619 return PCI_ERS_RESULT_RECOVERED;
7623 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
7624 * @pdev: pointer to PCI device
7626 * This routine is called from the PCI subsystem for error handling to device
7627 * with SLI-4 interface spec. It is called when kernel error recovery tells
7628 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
7629 * error recovery. After this call, traffic can start to flow from this device
7633 lpfc_io_resume_s4(struct pci_dev *pdev)
7639 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
7640 * @pdev: pointer to PCI device
7641 * @pid: pointer to PCI device identifier
7643 * This routine is to be registered to the kernel's PCI subsystem. When an
7644 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
7645 * at PCI device-specific information of the device and driver to see if the
7646 * driver state that it can support this kind of device. If the match is
7647 * successful, the driver core invokes this routine. This routine dispatches
7648 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
7649 * do all the initialization that it needs to do to handle the HBA device
7653 * 0 - driver can claim the device
7654 * negative value - driver can not claim the device
7656 static int __devinit
7657 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
7660 struct lpfc_sli_intf intf;
7662 if (pci_read_config_dword(pdev, LPFC_SLIREV_CONF_WORD, &intf.word0))
7665 if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) &&
7666 (bf_get(lpfc_sli_intf_rev, &intf) == LPFC_SLIREV_CONF_SLI4))
7667 rc = lpfc_pci_probe_one_s4(pdev, pid);
7669 rc = lpfc_pci_probe_one_s3(pdev, pid);
7675 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
7676 * @pdev: pointer to PCI device
7678 * This routine is to be registered to the kernel's PCI subsystem. When an
7679 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
7680 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
7681 * remove routine, which will perform all the necessary cleanup for the
7682 * device to be removed from the PCI subsystem properly.
7684 static void __devexit
7685 lpfc_pci_remove_one(struct pci_dev *pdev)
7687 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7688 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7690 switch (phba->pci_dev_grp) {
7691 case LPFC_PCI_DEV_LP:
7692 lpfc_pci_remove_one_s3(pdev);
7694 case LPFC_PCI_DEV_OC:
7695 lpfc_pci_remove_one_s4(pdev);
7698 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7699 "1424 Invalid PCI device group: 0x%x\n",
7707 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
7708 * @pdev: pointer to PCI device
7709 * @msg: power management message
7711 * This routine is to be registered to the kernel's PCI subsystem to support
7712 * system Power Management (PM). When PM invokes this method, it dispatches
7713 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
7714 * suspend the device.
7717 * 0 - driver suspended the device
7721 lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg)
7723 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7724 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7727 switch (phba->pci_dev_grp) {
7728 case LPFC_PCI_DEV_LP:
7729 rc = lpfc_pci_suspend_one_s3(pdev, msg);
7731 case LPFC_PCI_DEV_OC:
7732 rc = lpfc_pci_suspend_one_s4(pdev, msg);
7735 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7736 "1425 Invalid PCI device group: 0x%x\n",
7744 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
7745 * @pdev: pointer to PCI device
7747 * This routine is to be registered to the kernel's PCI subsystem to support
7748 * system Power Management (PM). When PM invokes this method, it dispatches
7749 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
7750 * resume the device.
7753 * 0 - driver suspended the device
7757 lpfc_pci_resume_one(struct pci_dev *pdev)
7759 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7760 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7763 switch (phba->pci_dev_grp) {
7764 case LPFC_PCI_DEV_LP:
7765 rc = lpfc_pci_resume_one_s3(pdev);
7767 case LPFC_PCI_DEV_OC:
7768 rc = lpfc_pci_resume_one_s4(pdev);
7771 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7772 "1426 Invalid PCI device group: 0x%x\n",
7780 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
7781 * @pdev: pointer to PCI device.
7782 * @state: the current PCI connection state.
7784 * This routine is registered to the PCI subsystem for error handling. This
7785 * function is called by the PCI subsystem after a PCI bus error affecting
7786 * this device has been detected. When this routine is invoked, it dispatches
7787 * the action to the proper SLI-3 or SLI-4 device error detected handling
7788 * routine, which will perform the proper error detected operation.
7791 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
7792 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7794 static pci_ers_result_t
7795 lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
7797 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7798 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7799 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
7801 switch (phba->pci_dev_grp) {
7802 case LPFC_PCI_DEV_LP:
7803 rc = lpfc_io_error_detected_s3(pdev, state);
7805 case LPFC_PCI_DEV_OC:
7806 rc = lpfc_io_error_detected_s4(pdev, state);
7809 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7810 "1427 Invalid PCI device group: 0x%x\n",
7818 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
7819 * @pdev: pointer to PCI device.
7821 * This routine is registered to the PCI subsystem for error handling. This
7822 * function is called after PCI bus has been reset to restart the PCI card
7823 * from scratch, as if from a cold-boot. When this routine is invoked, it
7824 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
7825 * routine, which will perform the proper device reset.
7828 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
7829 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7831 static pci_ers_result_t
7832 lpfc_io_slot_reset(struct pci_dev *pdev)
7834 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7835 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7836 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
7838 switch (phba->pci_dev_grp) {
7839 case LPFC_PCI_DEV_LP:
7840 rc = lpfc_io_slot_reset_s3(pdev);
7842 case LPFC_PCI_DEV_OC:
7843 rc = lpfc_io_slot_reset_s4(pdev);
7846 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7847 "1428 Invalid PCI device group: 0x%x\n",
7855 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
7856 * @pdev: pointer to PCI device
7858 * This routine is registered to the PCI subsystem for error handling. It
7859 * is called when kernel error recovery tells the lpfc driver that it is
7860 * OK to resume normal PCI operation after PCI bus error recovery. When
7861 * this routine is invoked, it dispatches the action to the proper SLI-3
7862 * or SLI-4 device io_resume routine, which will resume the device operation.
7865 lpfc_io_resume(struct pci_dev *pdev)
7867 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7868 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7870 switch (phba->pci_dev_grp) {
7871 case LPFC_PCI_DEV_LP:
7872 lpfc_io_resume_s3(pdev);
7874 case LPFC_PCI_DEV_OC:
7875 lpfc_io_resume_s4(pdev);
7878 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7879 "1429 Invalid PCI device group: 0x%x\n",
7886 static struct pci_device_id lpfc_id_table[] = {
7887 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
7888 PCI_ANY_ID, PCI_ANY_ID, },
7889 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
7890 PCI_ANY_ID, PCI_ANY_ID, },
7891 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
7892 PCI_ANY_ID, PCI_ANY_ID, },
7893 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
7894 PCI_ANY_ID, PCI_ANY_ID, },
7895 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
7896 PCI_ANY_ID, PCI_ANY_ID, },
7897 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
7898 PCI_ANY_ID, PCI_ANY_ID, },
7899 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
7900 PCI_ANY_ID, PCI_ANY_ID, },
7901 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
7902 PCI_ANY_ID, PCI_ANY_ID, },
7903 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
7904 PCI_ANY_ID, PCI_ANY_ID, },
7905 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
7906 PCI_ANY_ID, PCI_ANY_ID, },
7907 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
7908 PCI_ANY_ID, PCI_ANY_ID, },
7909 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
7910 PCI_ANY_ID, PCI_ANY_ID, },
7911 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
7912 PCI_ANY_ID, PCI_ANY_ID, },
7913 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
7914 PCI_ANY_ID, PCI_ANY_ID, },
7915 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
7916 PCI_ANY_ID, PCI_ANY_ID, },
7917 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
7918 PCI_ANY_ID, PCI_ANY_ID, },
7919 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
7920 PCI_ANY_ID, PCI_ANY_ID, },
7921 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
7922 PCI_ANY_ID, PCI_ANY_ID, },
7923 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET,
7924 PCI_ANY_ID, PCI_ANY_ID, },
7925 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
7926 PCI_ANY_ID, PCI_ANY_ID, },
7927 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
7928 PCI_ANY_ID, PCI_ANY_ID, },
7929 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
7930 PCI_ANY_ID, PCI_ANY_ID, },
7931 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
7932 PCI_ANY_ID, PCI_ANY_ID, },
7933 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
7934 PCI_ANY_ID, PCI_ANY_ID, },
7935 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
7936 PCI_ANY_ID, PCI_ANY_ID, },
7937 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
7938 PCI_ANY_ID, PCI_ANY_ID, },
7939 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
7940 PCI_ANY_ID, PCI_ANY_ID, },
7941 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
7942 PCI_ANY_ID, PCI_ANY_ID, },
7943 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
7944 PCI_ANY_ID, PCI_ANY_ID, },
7945 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
7946 PCI_ANY_ID, PCI_ANY_ID, },
7947 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
7948 PCI_ANY_ID, PCI_ANY_ID, },
7949 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
7950 PCI_ANY_ID, PCI_ANY_ID, },
7951 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
7952 PCI_ANY_ID, PCI_ANY_ID, },
7953 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
7954 PCI_ANY_ID, PCI_ANY_ID, },
7955 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF,
7956 PCI_ANY_ID, PCI_ANY_ID, },
7957 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF,
7958 PCI_ANY_ID, PCI_ANY_ID, },
7959 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S,
7960 PCI_ANY_ID, PCI_ANY_ID, },
7961 {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TIGERSHARK,
7962 PCI_ANY_ID, PCI_ANY_ID, },
7966 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
7968 static struct pci_error_handlers lpfc_err_handler = {
7969 .error_detected = lpfc_io_error_detected,
7970 .slot_reset = lpfc_io_slot_reset,
7971 .resume = lpfc_io_resume,
7974 static struct pci_driver lpfc_driver = {
7975 .name = LPFC_DRIVER_NAME,
7976 .id_table = lpfc_id_table,
7977 .probe = lpfc_pci_probe_one,
7978 .remove = __devexit_p(lpfc_pci_remove_one),
7979 .suspend = lpfc_pci_suspend_one,
7980 .resume = lpfc_pci_resume_one,
7981 .err_handler = &lpfc_err_handler,
7985 * lpfc_init - lpfc module initialization routine
7987 * This routine is to be invoked when the lpfc module is loaded into the
7988 * kernel. The special kernel macro module_init() is used to indicate the
7989 * role of this routine to the kernel as lpfc module entry point.
7993 * -ENOMEM - FC attach transport failed
7994 * all others - failed
8001 printk(LPFC_MODULE_DESC "\n");
8002 printk(LPFC_COPYRIGHT "\n");
8004 if (lpfc_enable_npiv) {
8005 lpfc_transport_functions.vport_create = lpfc_vport_create;
8006 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
8008 lpfc_transport_template =
8009 fc_attach_transport(&lpfc_transport_functions);
8010 if (lpfc_transport_template == NULL)
8012 if (lpfc_enable_npiv) {
8013 lpfc_vport_transport_template =
8014 fc_attach_transport(&lpfc_vport_transport_functions);
8015 if (lpfc_vport_transport_template == NULL) {
8016 fc_release_transport(lpfc_transport_template);
8020 error = pci_register_driver(&lpfc_driver);
8022 fc_release_transport(lpfc_transport_template);
8023 if (lpfc_enable_npiv)
8024 fc_release_transport(lpfc_vport_transport_template);
8031 * lpfc_exit - lpfc module removal routine
8033 * This routine is invoked when the lpfc module is removed from the kernel.
8034 * The special kernel macro module_exit() is used to indicate the role of
8035 * this routine to the kernel as lpfc module exit point.
8040 pci_unregister_driver(&lpfc_driver);
8041 fc_release_transport(lpfc_transport_template);
8042 if (lpfc_enable_npiv)
8043 fc_release_transport(lpfc_vport_transport_template);
8044 if (_dump_buf_data) {
8045 printk(KERN_ERR "BLKGRD freeing %lu pages for _dump_buf_data "
8047 (1L << _dump_buf_data_order), _dump_buf_data);
8048 free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order);
8051 if (_dump_buf_dif) {
8052 printk(KERN_ERR "BLKGRD freeing %lu pages for _dump_buf_dif "
8054 (1L << _dump_buf_dif_order), _dump_buf_dif);
8055 free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order);
8059 module_init(lpfc_init);
8060 module_exit(lpfc_exit);
8061 MODULE_LICENSE("GPL");
8062 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
8063 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
8064 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);