1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2006 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>
31 #include <scsi/scsi.h>
32 #include <scsi/scsi_device.h>
33 #include <scsi/scsi_host.h>
34 #include <scsi/scsi_transport_fc.h>
38 #include "lpfc_disc.h"
39 #include "lpfc_scsi.h"
41 #include "lpfc_logmsg.h"
42 #include "lpfc_crtn.h"
43 #include "lpfc_version.h"
45 static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
46 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
47 static int lpfc_post_rcv_buf(struct lpfc_hba *);
49 static struct scsi_transport_template *lpfc_transport_template = NULL;
50 static DEFINE_IDR(lpfc_hba_index);
52 /************************************************************************/
54 /* lpfc_config_port_prep */
55 /* This routine will do LPFC initialization prior to the */
56 /* CONFIG_PORT mailbox command. This will be initialized */
57 /* as a SLI layer callback routine. */
58 /* This routine returns 0 on success or -ERESTART if it wants */
59 /* the SLI layer to reset the HBA and try again. Any */
60 /* other return value indicates an error. */
62 /************************************************************************/
64 lpfc_config_port_prep(struct lpfc_hba * phba)
66 lpfc_vpd_t *vp = &phba->vpd;
70 char *lpfc_vpd_data = NULL;
72 static char licensed[56] =
73 "key unlock for use with gnu public licensed code only\0";
74 static int init_key = 1;
76 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
78 phba->hba_state = LPFC_HBA_ERROR;
83 phba->hba_state = LPFC_INIT_MBX_CMDS;
85 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
87 uint32_t *ptext = (uint32_t *) licensed;
89 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
90 *ptext = cpu_to_be32(*ptext);
94 lpfc_read_nv(phba, pmb);
95 memset((char*)mb->un.varRDnvp.rsvd3, 0,
96 sizeof (mb->un.varRDnvp.rsvd3));
97 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
100 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
102 if (rc != MBX_SUCCESS) {
103 lpfc_printf_log(phba,
106 "%d:0324 Config Port initialization "
107 "error, mbxCmd x%x READ_NVPARM, "
110 mb->mbxCommand, mb->mbxStatus);
111 mempool_free(pmb, phba->mbox_mem_pool);
114 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
115 sizeof (mb->un.varRDnvp.nodename));
118 /* Setup and issue mailbox READ REV command */
119 lpfc_read_rev(phba, pmb);
120 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
121 if (rc != MBX_SUCCESS) {
122 lpfc_printf_log(phba,
125 "%d:0439 Adapter failed to init, mbxCmd x%x "
126 "READ_REV, mbxStatus x%x\n",
128 mb->mbxCommand, mb->mbxStatus);
129 mempool_free( pmb, phba->mbox_mem_pool);
134 * The value of rr must be 1 since the driver set the cv field to 1.
135 * This setting requires the FW to set all revision fields.
137 if (mb->un.varRdRev.rr == 0) {
139 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
140 "%d:0440 Adapter failed to init, READ_REV has "
141 "missing revision information.\n",
143 mempool_free(pmb, phba->mbox_mem_pool);
147 /* Save information as VPD data */
149 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
150 memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
151 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
152 memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
153 vp->rev.biuRev = mb->un.varRdRev.biuRev;
154 vp->rev.smRev = mb->un.varRdRev.smRev;
155 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
156 vp->rev.endecRev = mb->un.varRdRev.endecRev;
157 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
158 vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
159 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
160 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
161 vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
162 vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
164 if (lpfc_is_LC_HBA(phba->pcidev->device))
165 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
166 sizeof (phba->RandomData));
168 /* Get adapter VPD information */
169 pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
172 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
174 goto out_free_context2;
177 lpfc_dump_mem(phba, pmb, offset);
178 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
180 if (rc != MBX_SUCCESS) {
181 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
182 "%d:0441 VPD not present on adapter, "
183 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
185 mb->mbxCommand, mb->mbxStatus);
186 mb->un.varDmp.word_cnt = 0;
188 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
189 mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
190 lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
191 mb->un.varDmp.word_cnt);
192 offset += mb->un.varDmp.word_cnt;
193 } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
194 lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
196 kfree(lpfc_vpd_data);
198 kfree(pmb->context2);
200 mempool_free(pmb, phba->mbox_mem_pool);
204 /************************************************************************/
206 /* lpfc_config_port_post */
207 /* This routine will do LPFC initialization after the */
208 /* CONFIG_PORT mailbox command. This will be initialized */
209 /* as a SLI layer callback routine. */
210 /* This routine returns 0 on success. Any other return value */
211 /* indicates an error. */
213 /************************************************************************/
215 lpfc_config_port_post(struct lpfc_hba * phba)
219 struct lpfc_dmabuf *mp;
220 struct lpfc_sli *psli = &phba->sli;
221 uint32_t status, timeout;
224 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
226 phba->hba_state = LPFC_HBA_ERROR;
231 lpfc_config_link(phba, pmb);
232 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
233 if (rc != MBX_SUCCESS) {
234 lpfc_printf_log(phba,
237 "%d:0447 Adapter failed init, mbxCmd x%x "
238 "CONFIG_LINK mbxStatus x%x\n",
240 mb->mbxCommand, mb->mbxStatus);
241 phba->hba_state = LPFC_HBA_ERROR;
242 mempool_free( pmb, phba->mbox_mem_pool);
246 /* Get login parameters for NID. */
247 lpfc_read_sparam(phba, pmb);
248 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
249 lpfc_printf_log(phba,
252 "%d:0448 Adapter failed init, mbxCmd x%x "
253 "READ_SPARM mbxStatus x%x\n",
255 mb->mbxCommand, mb->mbxStatus);
256 phba->hba_state = LPFC_HBA_ERROR;
257 mp = (struct lpfc_dmabuf *) pmb->context1;
258 mempool_free( pmb, phba->mbox_mem_pool);
259 lpfc_mbuf_free(phba, mp->virt, mp->phys);
264 mp = (struct lpfc_dmabuf *) pmb->context1;
266 memcpy(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm));
267 lpfc_mbuf_free(phba, mp->virt, mp->phys);
269 pmb->context1 = NULL;
271 memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName,
272 sizeof (struct lpfc_name));
273 memcpy(&phba->fc_portname, &phba->fc_sparam.portName,
274 sizeof (struct lpfc_name));
275 /* If no serial number in VPD data, use low 6 bytes of WWNN */
276 /* This should be consolidated into parse_vpd ? - mr */
277 if (phba->SerialNumber[0] == 0) {
280 outptr = &phba->fc_nodename.u.s.IEEE[0];
281 for (i = 0; i < 12; i++) {
283 j = ((status & 0xf0) >> 4);
285 phba->SerialNumber[i] =
286 (char)((uint8_t) 0x30 + (uint8_t) j);
288 phba->SerialNumber[i] =
289 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
293 phba->SerialNumber[i] =
294 (char)((uint8_t) 0x30 + (uint8_t) j);
296 phba->SerialNumber[i] =
297 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
301 lpfc_read_config(phba, pmb);
302 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
303 lpfc_printf_log(phba,
306 "%d:0453 Adapter failed to init, mbxCmd x%x "
307 "READ_CONFIG, mbxStatus x%x\n",
309 mb->mbxCommand, mb->mbxStatus);
310 phba->hba_state = LPFC_HBA_ERROR;
311 mempool_free( pmb, phba->mbox_mem_pool);
315 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
316 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
317 phba->cfg_hba_queue_depth =
318 mb->un.varRdConfig.max_xri + 1;
320 phba->lmt = mb->un.varRdConfig.lmt;
322 /* Get the default values for Model Name and Description */
323 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
325 if ((phba->cfg_link_speed > LINK_SPEED_10G)
326 || ((phba->cfg_link_speed == LINK_SPEED_1G)
327 && !(phba->lmt & LMT_1Gb))
328 || ((phba->cfg_link_speed == LINK_SPEED_2G)
329 && !(phba->lmt & LMT_2Gb))
330 || ((phba->cfg_link_speed == LINK_SPEED_4G)
331 && !(phba->lmt & LMT_4Gb))
332 || ((phba->cfg_link_speed == LINK_SPEED_8G)
333 && !(phba->lmt & LMT_8Gb))
334 || ((phba->cfg_link_speed == LINK_SPEED_10G)
335 && !(phba->lmt & LMT_10Gb))) {
336 /* Reset link speed to auto */
337 lpfc_printf_log(phba,
340 "%d:1302 Invalid speed for this board: "
341 "Reset link speed to auto: x%x\n",
343 phba->cfg_link_speed);
344 phba->cfg_link_speed = LINK_SPEED_AUTO;
347 phba->hba_state = LPFC_LINK_DOWN;
349 /* Only process IOCBs on ring 0 till hba_state is READY */
350 if (psli->ring[psli->ip_ring].cmdringaddr)
351 psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT;
352 if (psli->ring[psli->fcp_ring].cmdringaddr)
353 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
354 if (psli->ring[psli->next_ring].cmdringaddr)
355 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
357 /* Post receive buffers for desired rings */
358 lpfc_post_rcv_buf(phba);
360 /* Enable appropriate host interrupts */
361 spin_lock_irq(phba->host->host_lock);
362 status = readl(phba->HCregaddr);
363 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
364 if (psli->num_rings > 0)
365 status |= HC_R0INT_ENA;
366 if (psli->num_rings > 1)
367 status |= HC_R1INT_ENA;
368 if (psli->num_rings > 2)
369 status |= HC_R2INT_ENA;
370 if (psli->num_rings > 3)
371 status |= HC_R3INT_ENA;
373 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
374 (phba->cfg_poll & DISABLE_FCP_RING_INT))
375 status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
377 writel(status, phba->HCregaddr);
378 readl(phba->HCregaddr); /* flush */
379 spin_unlock_irq(phba->host->host_lock);
382 * Setup the ring 0 (els) timeout handler
384 timeout = phba->fc_ratov << 1;
385 phba->els_tmofunc.expires = jiffies + HZ * timeout;
386 add_timer(&phba->els_tmofunc);
388 lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
389 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
390 if (lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT) != MBX_SUCCESS) {
391 lpfc_printf_log(phba,
394 "%d:0454 Adapter failed to init, mbxCmd x%x "
395 "INIT_LINK, mbxStatus x%x\n",
397 mb->mbxCommand, mb->mbxStatus);
399 /* Clear all interrupt enable conditions */
400 writel(0, phba->HCregaddr);
401 readl(phba->HCregaddr); /* flush */
402 /* Clear all pending interrupts */
403 writel(0xffffffff, phba->HAregaddr);
404 readl(phba->HAregaddr); /* flush */
406 phba->hba_state = LPFC_HBA_ERROR;
407 mempool_free(pmb, phba->mbox_mem_pool);
410 /* MBOX buffer will be freed in mbox compl */
416 lpfc_discovery_wait(struct lpfc_hba *phba)
420 while ((phba->hba_state != LPFC_HBA_READY) ||
421 (phba->num_disc_nodes) || (phba->fc_prli_sent) ||
422 ((phba->fc_map_cnt == 0) && (i<2)) ||
423 (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE)) {
424 /* Check every second for 30 retries. */
429 if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) {
430 /* The link is down. Set linkdown timeout */
434 /* Delay for 1 second to give discovery time to complete. */
442 /************************************************************************/
444 /* lpfc_hba_down_prep */
445 /* This routine will do LPFC uninitialization before the */
446 /* HBA is reset when bringing down the SLI Layer. This will be */
447 /* initialized as a SLI layer callback routine. */
448 /* This routine returns 0 on success. Any other return value */
449 /* indicates an error. */
451 /************************************************************************/
453 lpfc_hba_down_prep(struct lpfc_hba * phba)
455 /* Disable interrupts */
456 writel(0, phba->HCregaddr);
457 readl(phba->HCregaddr); /* flush */
459 /* Cleanup potential discovery resources */
460 lpfc_els_flush_rscn(phba);
461 lpfc_els_flush_cmd(phba);
462 lpfc_disc_flush_list(phba);
467 /************************************************************************/
469 /* lpfc_hba_down_post */
470 /* This routine will do uninitialization after the HBA is reset */
471 /* when bringing down the SLI Layer. */
472 /* This routine returns 0 on success. Any other return value */
473 /* indicates an error. */
475 /************************************************************************/
477 lpfc_hba_down_post(struct lpfc_hba * phba)
479 struct lpfc_sli *psli = &phba->sli;
480 struct lpfc_sli_ring *pring;
481 struct lpfc_dmabuf *mp, *next_mp;
484 /* Cleanup preposted buffers on the ELS ring */
485 pring = &psli->ring[LPFC_ELS_RING];
486 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
488 pring->postbufq_cnt--;
489 lpfc_mbuf_free(phba, mp->virt, mp->phys);
493 for (i = 0; i < psli->num_rings; i++) {
494 pring = &psli->ring[i];
495 lpfc_sli_abort_iocb_ring(phba, pring);
501 /************************************************************************/
503 /* lpfc_handle_eratt */
504 /* This routine will handle processing a Host Attention */
505 /* Error Status event. This will be initialized */
506 /* as a SLI layer callback routine. */
508 /************************************************************************/
510 lpfc_handle_eratt(struct lpfc_hba * phba)
512 struct lpfc_sli *psli = &phba->sli;
513 struct lpfc_sli_ring *pring;
515 if (phba->work_hs & HS_FFER6) {
516 /* Re-establishing Link */
517 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
518 "%d:1301 Re-establishing Link "
519 "Data: x%x x%x x%x\n",
520 phba->brd_no, phba->work_hs,
521 phba->work_status[0], phba->work_status[1]);
522 spin_lock_irq(phba->host->host_lock);
523 phba->fc_flag |= FC_ESTABLISH_LINK;
524 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
525 spin_unlock_irq(phba->host->host_lock);
528 * Firmware stops when it triggled erratt with HS_FFER6.
529 * That could cause the I/Os dropped by the firmware.
530 * Error iocb (I/O) on txcmplq and let the SCSI layer
531 * retry it after re-establishing link.
533 pring = &psli->ring[psli->fcp_ring];
534 lpfc_sli_abort_iocb_ring(phba, pring);
538 * There was a firmware error. Take the hba offline and then
539 * attempt to restart it.
542 lpfc_sli_brdrestart(phba);
543 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
544 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
548 /* The if clause above forces this code path when the status
549 * failure is a value other than FFER6. Do not call the offline
550 * twice. This is the adapter hardware error path.
552 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
553 "%d:0457 Adapter Hardware Error "
554 "Data: x%x x%x x%x\n",
555 phba->brd_no, phba->work_hs,
556 phba->work_status[0], phba->work_status[1]);
558 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
560 phba->hba_state = LPFC_HBA_ERROR;
561 lpfc_hba_down_post(phba);
565 /************************************************************************/
567 /* lpfc_handle_latt */
568 /* This routine will handle processing a Host Attention */
569 /* Link Status event. This will be initialized */
570 /* as a SLI layer callback routine. */
572 /************************************************************************/
574 lpfc_handle_latt(struct lpfc_hba * phba)
576 struct lpfc_sli *psli = &phba->sli;
578 volatile uint32_t control;
579 struct lpfc_dmabuf *mp;
582 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
584 goto lpfc_handle_latt_err_exit;
586 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
588 goto lpfc_handle_latt_free_pmb;
590 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
592 goto lpfc_handle_latt_free_mp;
596 /* Cleanup any outstanding ELS commands */
597 lpfc_els_flush_cmd(phba);
599 psli->slistat.link_event++;
600 lpfc_read_la(phba, pmb, mp);
601 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
602 rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
603 if (rc == MBX_NOT_FINISHED)
604 goto lpfc_handle_latt_free_mp;
606 /* Clear Link Attention in HA REG */
607 spin_lock_irq(phba->host->host_lock);
608 writel(HA_LATT, phba->HAregaddr);
609 readl(phba->HAregaddr); /* flush */
610 spin_unlock_irq(phba->host->host_lock);
614 lpfc_handle_latt_free_mp:
616 lpfc_handle_latt_free_pmb:
618 lpfc_handle_latt_err_exit:
619 /* Enable Link attention interrupts */
620 spin_lock_irq(phba->host->host_lock);
621 psli->sli_flag |= LPFC_PROCESS_LA;
622 control = readl(phba->HCregaddr);
623 control |= HC_LAINT_ENA;
624 writel(control, phba->HCregaddr);
625 readl(phba->HCregaddr); /* flush */
627 /* Clear Link Attention in HA REG */
628 writel(HA_LATT, phba->HAregaddr);
629 readl(phba->HAregaddr); /* flush */
630 spin_unlock_irq(phba->host->host_lock);
632 phba->hba_state = LPFC_HBA_ERROR;
634 /* The other case is an error from issue_mbox */
636 lpfc_printf_log(phba,
639 "%d:0300 READ_LA: no buffers\n",
645 /************************************************************************/
648 /* This routine will parse the VPD data */
650 /************************************************************************/
652 lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd, int len)
654 uint8_t lenlo, lenhi;
664 lpfc_printf_log(phba,
667 "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
669 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
671 while (!finished && (index < (len - 4))) {
672 switch (vpd[index]) {
680 i = ((((unsigned short)lenhi) << 8) + lenlo);
689 Length = ((((unsigned short)lenhi) << 8) + lenlo);
690 if (Length > len - index)
691 Length = len - index;
693 /* Look for Serial Number */
694 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
701 phba->SerialNumber[j++] = vpd[index++];
705 phba->SerialNumber[j] = 0;
708 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
709 phba->vpd_flag |= VPD_MODEL_DESC;
716 phba->ModelDesc[j++] = vpd[index++];
720 phba->ModelDesc[j] = 0;
723 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
724 phba->vpd_flag |= VPD_MODEL_NAME;
731 phba->ModelName[j++] = vpd[index++];
735 phba->ModelName[j] = 0;
738 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
739 phba->vpd_flag |= VPD_PROGRAM_TYPE;
746 phba->ProgramType[j++] = vpd[index++];
750 phba->ProgramType[j] = 0;
753 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
754 phba->vpd_flag |= VPD_PORT;
761 phba->Port[j++] = vpd[index++];
791 lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
794 uint16_t dev_id = phba->pcidev->device;
795 uint16_t dev_subid = phba->pcidev->subsystem_device;
804 } m = {"<Unknown>", 0, "", ""};
806 pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype);
807 ports = (hdrtype == 0x80) ? "2-port " : "";
808 if (mdp && mdp[0] != '\0'
809 && descp && descp[0] != '\0')
812 if (phba->lmt & LMT_10Gb)
814 else if (phba->lmt & LMT_8Gb)
816 else if (phba->lmt & LMT_4Gb)
818 else if (phba->lmt & LMT_2Gb)
826 case PCI_DEVICE_ID_FIREFLY:
827 m = (typeof(m)){"LP6000", max_speed, "", "PCI"};
829 case PCI_DEVICE_ID_SUPERFLY:
830 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
831 m = (typeof(m)){"LP7000", max_speed, "", "PCI"};
833 m = (typeof(m)){"LP7000E", max_speed, "", "PCI"};
835 case PCI_DEVICE_ID_DRAGONFLY:
836 m = (typeof(m)){"LP8000", max_speed, "", "PCI"};
838 case PCI_DEVICE_ID_CENTAUR:
839 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
840 m = (typeof(m)){"LP9002", max_speed, "", "PCI"};
842 m = (typeof(m)){"LP9000", max_speed, "", "PCI"};
844 case PCI_DEVICE_ID_RFLY:
845 m = (typeof(m)){"LP952", max_speed, "", "PCI"};
847 case PCI_DEVICE_ID_PEGASUS:
848 m = (typeof(m)){"LP9802", max_speed, "", "PCI-X"};
850 case PCI_DEVICE_ID_THOR:
852 m = (typeof(m)){"LP10000DC",
853 max_speed, ports, "PCI-X"};
855 m = (typeof(m)){"LP10000",
856 max_speed, ports, "PCI-X"};
858 case PCI_DEVICE_ID_VIPER:
859 m = (typeof(m)){"LPX1000", max_speed, "", "PCI-X"};
861 case PCI_DEVICE_ID_PFLY:
862 m = (typeof(m)){"LP982", max_speed, "", "PCI-X"};
864 case PCI_DEVICE_ID_TFLY:
866 m = (typeof(m)){"LP1050DC", max_speed, ports, "PCI-X"};
868 m = (typeof(m)){"LP1050", max_speed, ports, "PCI-X"};
870 case PCI_DEVICE_ID_HELIOS:
872 m = (typeof(m)){"LP11002", max_speed, ports, "PCI-X2"};
874 m = (typeof(m)){"LP11000", max_speed, ports, "PCI-X2"};
876 case PCI_DEVICE_ID_HELIOS_SCSP:
877 m = (typeof(m)){"LP11000-SP", max_speed, ports, "PCI-X2"};
879 case PCI_DEVICE_ID_HELIOS_DCSP:
880 m = (typeof(m)){"LP11002-SP", max_speed, ports, "PCI-X2"};
882 case PCI_DEVICE_ID_NEPTUNE:
884 m = (typeof(m)){"LPe1002", max_speed, ports, "PCIe"};
886 m = (typeof(m)){"LPe1000", max_speed, ports, "PCIe"};
888 case PCI_DEVICE_ID_NEPTUNE_SCSP:
889 m = (typeof(m)){"LPe1000-SP", max_speed, ports, "PCIe"};
891 case PCI_DEVICE_ID_NEPTUNE_DCSP:
892 m = (typeof(m)){"LPe1002-SP", max_speed, ports, "PCIe"};
894 case PCI_DEVICE_ID_BMID:
895 m = (typeof(m)){"LP1150", max_speed, ports, "PCI-X2"};
897 case PCI_DEVICE_ID_BSMB:
898 m = (typeof(m)){"LP111", max_speed, ports, "PCI-X2"};
900 case PCI_DEVICE_ID_ZEPHYR:
902 m = (typeof(m)){"LPe11002", max_speed, ports, "PCIe"};
904 m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"};
906 case PCI_DEVICE_ID_ZEPHYR_SCSP:
907 m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"};
909 case PCI_DEVICE_ID_ZEPHYR_DCSP:
910 m = (typeof(m)){"LPe11002-SP", max_speed, ports, "PCIe"};
912 case PCI_DEVICE_ID_ZMID:
913 m = (typeof(m)){"LPe1150", max_speed, ports, "PCIe"};
915 case PCI_DEVICE_ID_ZSMB:
916 m = (typeof(m)){"LPe111", max_speed, ports, "PCIe"};
918 case PCI_DEVICE_ID_LP101:
919 m = (typeof(m)){"LP101", max_speed, ports, "PCI-X"};
921 case PCI_DEVICE_ID_LP10000S:
922 m = (typeof(m)){"LP10000-S", max_speed, ports, "PCI"};
924 case PCI_DEVICE_ID_LP11000S:
925 case PCI_DEVICE_ID_LPE11000S:
927 case PCI_SUBSYSTEM_ID_LP11000S:
928 m = (typeof(m)){"LP11000-S", max_speed,
931 case PCI_SUBSYSTEM_ID_LP11002S:
932 m = (typeof(m)){"LP11002-S", max_speed,
935 case PCI_SUBSYSTEM_ID_LPE11000S:
936 m = (typeof(m)){"LPe11000-S", max_speed,
939 case PCI_SUBSYSTEM_ID_LPE11002S:
940 m = (typeof(m)){"LPe11002-S", max_speed,
943 case PCI_SUBSYSTEM_ID_LPE11010S:
944 m = (typeof(m)){"LPe11010-S", max_speed,
948 m = (typeof(m)){ NULL };
953 m = (typeof(m)){ NULL };
957 if (mdp && mdp[0] == '\0')
958 snprintf(mdp, 79,"%s", m.name);
959 if (descp && descp[0] == '\0')
961 "Emulex %s %dGb %s%s Fibre Channel Adapter",
962 m.name, m.max_speed, m.ports, m.bus);
965 /**************************************************/
966 /* lpfc_post_buffer */
968 /* This routine will post count buffers to the */
969 /* ring with the QUE_RING_BUF_CN command. This */
970 /* allows 3 buffers / command to be posted. */
971 /* Returns the number of buffers NOT posted. */
972 /**************************************************/
974 lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt,
978 struct lpfc_iocbq *iocb;
979 struct lpfc_dmabuf *mp1, *mp2;
981 cnt += pring->missbufcnt;
983 /* While there are buffers to post */
985 /* Allocate buffer for command iocb */
986 spin_lock_irq(phba->host->host_lock);
987 iocb = lpfc_sli_get_iocbq(phba);
988 spin_unlock_irq(phba->host->host_lock);
990 pring->missbufcnt = cnt;
995 /* 2 buffers can be posted per command */
996 /* Allocate buffer to post */
997 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
999 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1001 if (mp1 == 0 || mp1->virt == 0) {
1003 spin_lock_irq(phba->host->host_lock);
1004 lpfc_sli_release_iocbq(phba, iocb);
1005 spin_unlock_irq(phba->host->host_lock);
1006 pring->missbufcnt = cnt;
1010 INIT_LIST_HEAD(&mp1->list);
1011 /* Allocate buffer to post */
1013 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1015 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1017 if (mp2 == 0 || mp2->virt == 0) {
1019 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1021 spin_lock_irq(phba->host->host_lock);
1022 lpfc_sli_release_iocbq(phba, iocb);
1023 spin_unlock_irq(phba->host->host_lock);
1024 pring->missbufcnt = cnt;
1028 INIT_LIST_HEAD(&mp2->list);
1033 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1034 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1035 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1036 icmd->ulpBdeCount = 1;
1039 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1040 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1041 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1043 icmd->ulpBdeCount = 2;
1046 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1049 spin_lock_irq(phba->host->host_lock);
1050 if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
1051 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1055 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1059 lpfc_sli_release_iocbq(phba, iocb);
1060 pring->missbufcnt = cnt;
1061 spin_unlock_irq(phba->host->host_lock);
1064 spin_unlock_irq(phba->host->host_lock);
1065 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1067 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1070 pring->missbufcnt = 0;
1074 /************************************************************************/
1076 /* lpfc_post_rcv_buf */
1077 /* This routine post initial rcv buffers to the configured rings */
1079 /************************************************************************/
1081 lpfc_post_rcv_buf(struct lpfc_hba * phba)
1083 struct lpfc_sli *psli = &phba->sli;
1085 /* Ring 0, ELS / CT buffers */
1086 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
1087 /* Ring 2 - FCP no buffers needed */
1092 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1094 /************************************************************************/
1098 /************************************************************************/
1100 lpfc_sha_init(uint32_t * HashResultPointer)
1102 HashResultPointer[0] = 0x67452301;
1103 HashResultPointer[1] = 0xEFCDAB89;
1104 HashResultPointer[2] = 0x98BADCFE;
1105 HashResultPointer[3] = 0x10325476;
1106 HashResultPointer[4] = 0xC3D2E1F0;
1109 /************************************************************************/
1111 /* lpfc_sha_iterate */
1113 /************************************************************************/
1115 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1119 uint32_t A, B, C, D, E;
1122 HashWorkingPointer[t] =
1124 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1126 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1127 } while (++t <= 79);
1129 A = HashResultPointer[0];
1130 B = HashResultPointer[1];
1131 C = HashResultPointer[2];
1132 D = HashResultPointer[3];
1133 E = HashResultPointer[4];
1137 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1138 } else if (t < 40) {
1139 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1140 } else if (t < 60) {
1141 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1143 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1145 TEMP += S(5, A) + E + HashWorkingPointer[t];
1151 } while (++t <= 79);
1153 HashResultPointer[0] += A;
1154 HashResultPointer[1] += B;
1155 HashResultPointer[2] += C;
1156 HashResultPointer[3] += D;
1157 HashResultPointer[4] += E;
1161 /************************************************************************/
1163 /* lpfc_challenge_key */
1165 /************************************************************************/
1167 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1169 *HashWorking = (*RandomChallenge ^ *HashWorking);
1172 /************************************************************************/
1176 /************************************************************************/
1178 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1181 uint32_t *HashWorking;
1182 uint32_t *pwwnn = phba->wwnn;
1184 HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
1188 memset(HashWorking, 0, (80 * sizeof(uint32_t)));
1189 HashWorking[0] = HashWorking[78] = *pwwnn++;
1190 HashWorking[1] = HashWorking[79] = *pwwnn;
1192 for (t = 0; t < 7; t++)
1193 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1195 lpfc_sha_init(hbainit);
1196 lpfc_sha_iterate(hbainit, HashWorking);
1201 lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind)
1203 struct lpfc_nodelist *ndlp, *next_ndlp;
1205 /* clean up phba - lpfc specific */
1206 lpfc_can_disctmo(phba);
1207 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
1209 lpfc_nlp_remove(phba, ndlp);
1212 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
1214 lpfc_nlp_remove(phba, ndlp);
1217 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
1219 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1222 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
1224 lpfc_nlp_remove(phba, ndlp);
1227 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1229 lpfc_nlp_remove(phba, ndlp);
1232 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list,
1234 lpfc_nlp_remove(phba, ndlp);
1237 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
1239 lpfc_nlp_remove(phba, ndlp);
1242 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1244 lpfc_nlp_remove(phba, ndlp);
1247 INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1248 INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1249 INIT_LIST_HEAD(&phba->fc_unused_list);
1250 INIT_LIST_HEAD(&phba->fc_plogi_list);
1251 INIT_LIST_HEAD(&phba->fc_adisc_list);
1252 INIT_LIST_HEAD(&phba->fc_reglogin_list);
1253 INIT_LIST_HEAD(&phba->fc_prli_list);
1254 INIT_LIST_HEAD(&phba->fc_npr_list);
1256 phba->fc_map_cnt = 0;
1257 phba->fc_unmap_cnt = 0;
1258 phba->fc_plogi_cnt = 0;
1259 phba->fc_adisc_cnt = 0;
1260 phba->fc_reglogin_cnt = 0;
1261 phba->fc_prli_cnt = 0;
1262 phba->fc_npr_cnt = 0;
1263 phba->fc_unused_cnt= 0;
1268 lpfc_establish_link_tmo(unsigned long ptr)
1270 struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
1271 unsigned long iflag;
1274 /* Re-establishing Link, timer expired */
1275 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1276 "%d:1300 Re-establishing Link, timer expired "
1278 phba->brd_no, phba->fc_flag, phba->hba_state);
1279 spin_lock_irqsave(phba->host->host_lock, iflag);
1280 phba->fc_flag &= ~FC_ESTABLISH_LINK;
1281 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1285 lpfc_stop_timer(struct lpfc_hba * phba)
1287 struct lpfc_sli *psli = &phba->sli;
1289 /* Instead of a timer, this has been converted to a
1290 * deferred procedding list.
1292 while (!list_empty(&phba->freebufList)) {
1294 struct lpfc_dmabuf *mp = NULL;
1296 list_remove_head((&phba->freebufList), mp,
1297 struct lpfc_dmabuf, list);
1299 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1304 del_timer_sync(&phba->fcp_poll_timer);
1305 del_timer_sync(&phba->fc_estabtmo);
1306 del_timer_sync(&phba->fc_disctmo);
1307 del_timer_sync(&phba->fc_fdmitmo);
1308 del_timer_sync(&phba->els_tmofunc);
1310 del_timer_sync(&psli->mbox_tmo);
1315 lpfc_online(struct lpfc_hba * phba)
1320 if (!(phba->fc_flag & FC_OFFLINE_MODE))
1323 lpfc_printf_log(phba,
1326 "%d:0458 Bring Adapter online\n",
1329 if (!lpfc_sli_queue_setup(phba))
1332 if (lpfc_sli_hba_setup(phba)) /* Initialize the HBA */
1335 spin_lock_irq(phba->host->host_lock);
1336 phba->fc_flag &= ~FC_OFFLINE_MODE;
1337 spin_unlock_irq(phba->host->host_lock);
1343 lpfc_offline(struct lpfc_hba * phba)
1345 struct lpfc_sli_ring *pring;
1346 struct lpfc_sli *psli;
1347 unsigned long iflag;
1354 if (phba->fc_flag & FC_OFFLINE_MODE)
1359 lpfc_linkdown(phba);
1360 lpfc_sli_flush_mbox_queue(phba);
1362 for (i = 0; i < psli->num_rings; i++) {
1363 pring = &psli->ring[i];
1364 /* The linkdown event takes 30 seconds to timeout. */
1365 while (pring->txcmplq_cnt) {
1368 lpfc_printf_log(phba,
1369 KERN_WARNING, LOG_INIT,
1370 "%d:0466 Outstanding IO when "
1371 "bringing Adapter offline\n",
1379 /* stop all timers associated with this hba */
1380 lpfc_stop_timer(phba);
1381 phba->work_hba_events = 0;
1384 lpfc_printf_log(phba,
1387 "%d:0460 Bring Adapter offline\n",
1390 /* Bring down the SLI Layer and cleanup. The HBA is offline
1392 lpfc_sli_hba_down(phba);
1393 lpfc_cleanup(phba, 1);
1394 spin_lock_irqsave(phba->host->host_lock, iflag);
1395 phba->fc_flag |= FC_OFFLINE_MODE;
1396 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1400 /******************************************************************************
1401 * Function name: lpfc_scsi_free
1403 * Description: Called from lpfc_pci_remove_one free internal driver resources
1405 ******************************************************************************/
1407 lpfc_scsi_free(struct lpfc_hba * phba)
1409 struct lpfc_scsi_buf *sb, *sb_next;
1410 struct lpfc_iocbq *io, *io_next;
1412 spin_lock_irq(phba->host->host_lock);
1413 /* Release all the lpfc_scsi_bufs maintained by this host. */
1414 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
1415 list_del(&sb->list);
1416 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
1419 phba->total_scsi_bufs--;
1422 /* Release all the lpfc_iocbq entries maintained by this host. */
1423 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
1424 list_del(&io->list);
1426 phba->total_iocbq_bufs--;
1429 spin_unlock_irq(phba->host->host_lock);
1435 static int __devinit
1436 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1438 struct Scsi_Host *host;
1439 struct lpfc_hba *phba;
1440 struct lpfc_sli *psli;
1441 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
1442 unsigned long bar0map_len, bar2map_len;
1443 int error = -ENODEV, retval;
1447 if (pci_enable_device(pdev))
1449 if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
1450 goto out_disable_device;
1452 host = scsi_host_alloc(&lpfc_template, sizeof (struct lpfc_hba));
1454 goto out_release_regions;
1456 phba = (struct lpfc_hba*)host->hostdata;
1457 memset(phba, 0, sizeof (struct lpfc_hba));
1460 phba->fc_flag |= FC_LOADING;
1461 phba->pcidev = pdev;
1463 /* Assign an unused board number */
1464 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
1467 error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no);
1471 host->unique_id = phba->brd_no;
1472 INIT_LIST_HEAD(&phba->ctrspbuflist);
1473 INIT_LIST_HEAD(&phba->rnidrspbuflist);
1474 INIT_LIST_HEAD(&phba->freebufList);
1476 /* Initialize timers used by driver */
1477 init_timer(&phba->fc_estabtmo);
1478 phba->fc_estabtmo.function = lpfc_establish_link_tmo;
1479 phba->fc_estabtmo.data = (unsigned long)phba;
1480 init_timer(&phba->fc_disctmo);
1481 phba->fc_disctmo.function = lpfc_disc_timeout;
1482 phba->fc_disctmo.data = (unsigned long)phba;
1484 init_timer(&phba->fc_fdmitmo);
1485 phba->fc_fdmitmo.function = lpfc_fdmi_tmo;
1486 phba->fc_fdmitmo.data = (unsigned long)phba;
1487 init_timer(&phba->els_tmofunc);
1488 phba->els_tmofunc.function = lpfc_els_timeout;
1489 phba->els_tmofunc.data = (unsigned long)phba;
1491 init_timer(&psli->mbox_tmo);
1492 psli->mbox_tmo.function = lpfc_mbox_timeout;
1493 psli->mbox_tmo.data = (unsigned long)phba;
1495 init_timer(&phba->fcp_poll_timer);
1496 phba->fcp_poll_timer.function = lpfc_poll_timeout;
1497 phba->fcp_poll_timer.data = (unsigned long)phba;
1500 * Get all the module params for configuring this host and then
1501 * establish the host parameters.
1503 lpfc_get_cfgparam(phba);
1505 host->max_id = LPFC_MAX_TARGET;
1506 host->max_lun = phba->cfg_max_luns;
1509 /* Initialize all internally managed lists. */
1510 INIT_LIST_HEAD(&phba->fc_nlpmap_list);
1511 INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
1512 INIT_LIST_HEAD(&phba->fc_unused_list);
1513 INIT_LIST_HEAD(&phba->fc_plogi_list);
1514 INIT_LIST_HEAD(&phba->fc_adisc_list);
1515 INIT_LIST_HEAD(&phba->fc_reglogin_list);
1516 INIT_LIST_HEAD(&phba->fc_prli_list);
1517 INIT_LIST_HEAD(&phba->fc_npr_list);
1520 pci_set_master(pdev);
1521 retval = pci_set_mwi(pdev);
1523 dev_printk(KERN_WARNING, &pdev->dev,
1524 "Warning: pci_set_mwi returned %d\n", retval);
1526 if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
1527 if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
1528 goto out_idr_remove;
1531 * Get the bus address of Bar0 and Bar2 and the number of bytes
1532 * required by each mapping.
1534 phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
1535 bar0map_len = pci_resource_len(phba->pcidev, 0);
1537 phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
1538 bar2map_len = pci_resource_len(phba->pcidev, 2);
1540 /* Map HBA SLIM to a kernel virtual address. */
1541 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
1542 if (!phba->slim_memmap_p) {
1544 dev_printk(KERN_ERR, &pdev->dev,
1545 "ioremap failed for SLIM memory.\n");
1546 goto out_idr_remove;
1549 /* Map HBA Control Registers to a kernel virtual address. */
1550 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1551 if (!phba->ctrl_regs_memmap_p) {
1553 dev_printk(KERN_ERR, &pdev->dev,
1554 "ioremap failed for HBA control registers.\n");
1555 goto out_iounmap_slim;
1558 /* Allocate memory for SLI-2 structures */
1559 phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
1560 &phba->slim2p_mapping, GFP_KERNEL);
1564 memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
1566 /* Initialize the SLI Layer to run with lpfc HBAs. */
1567 lpfc_sli_setup(phba);
1568 lpfc_sli_queue_setup(phba);
1570 error = lpfc_mem_alloc(phba);
1574 /* Initialize and populate the iocb list per host. */
1575 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
1576 for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
1577 iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
1578 if (iocbq_entry == NULL) {
1579 printk(KERN_ERR "%s: only allocated %d iocbs of "
1580 "expected %d count. Unloading driver.\n",
1581 __FUNCTION__, i, LPFC_IOCB_LIST_CNT);
1583 goto out_free_iocbq;
1586 memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq));
1587 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
1589 kfree (iocbq_entry);
1590 printk(KERN_ERR "%s: failed to allocate IOTAG. "
1591 "Unloading driver.\n",
1594 goto out_free_iocbq;
1596 spin_lock_irq(phba->host->host_lock);
1597 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
1598 phba->total_iocbq_bufs++;
1599 spin_unlock_irq(phba->host->host_lock);
1602 /* Initialize HBA structure */
1603 phba->fc_edtov = FF_DEF_EDTOV;
1604 phba->fc_ratov = FF_DEF_RATOV;
1605 phba->fc_altov = FF_DEF_ALTOV;
1606 phba->fc_arbtov = FF_DEF_ARBTOV;
1608 INIT_LIST_HEAD(&phba->work_list);
1609 phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
1610 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
1612 /* Startup the kernel thread for this host adapter. */
1613 phba->worker_thread = kthread_run(lpfc_do_work, phba,
1614 "lpfc_worker_%d", phba->brd_no);
1615 if (IS_ERR(phba->worker_thread)) {
1616 error = PTR_ERR(phba->worker_thread);
1617 goto out_free_iocbq;
1621 * Set initial can_queue value since 0 is no longer supported and
1622 * scsi_add_host will fail. This will be adjusted later based on the
1623 * max xri value determined in hba setup.
1625 host->can_queue = phba->cfg_hba_queue_depth - 10;
1627 /* Tell the midlayer we support 16 byte commands */
1628 host->max_cmd_len = 16;
1630 /* Initialize the list of scsi buffers used by driver for scsi IO. */
1631 spin_lock_init(&phba->scsi_buf_list_lock);
1632 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
1634 host->transportt = lpfc_transport_template;
1635 pci_set_drvdata(pdev, host);
1636 error = scsi_add_host(host, &pdev->dev);
1638 goto out_kthread_stop;
1640 error = lpfc_alloc_sysfs_attr(phba);
1642 goto out_remove_host;
1644 error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
1645 LPFC_DRIVER_NAME, phba);
1647 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1648 "%d:0451 Enable interrupt handler failed\n",
1650 goto out_free_sysfs_attr;
1652 phba->MBslimaddr = phba->slim_memmap_p;
1653 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
1654 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
1655 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
1656 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
1658 error = lpfc_sli_hba_setup(phba);
1665 * hba setup may have changed the hba_queue_depth so we need to adjust
1666 * the value of can_queue.
1668 host->can_queue = phba->cfg_hba_queue_depth - 10;
1670 lpfc_discovery_wait(phba);
1672 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
1673 spin_lock_irq(phba->host->host_lock);
1674 lpfc_poll_start_timer(phba);
1675 spin_unlock_irq(phba->host->host_lock);
1679 * set fixed host attributes
1680 * Must done after lpfc_sli_hba_setup()
1683 fc_host_node_name(host) = wwn_to_u64(phba->fc_nodename.u.wwn);
1684 fc_host_port_name(host) = wwn_to_u64(phba->fc_portname.u.wwn);
1685 fc_host_supported_classes(host) = FC_COS_CLASS3;
1687 memset(fc_host_supported_fc4s(host), 0,
1688 sizeof(fc_host_supported_fc4s(host)));
1689 fc_host_supported_fc4s(host)[2] = 1;
1690 fc_host_supported_fc4s(host)[7] = 1;
1692 lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host));
1694 fc_host_supported_speeds(host) = 0;
1695 if (phba->lmt & LMT_10Gb)
1696 fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT;
1697 if (phba->lmt & LMT_4Gb)
1698 fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT;
1699 if (phba->lmt & LMT_2Gb)
1700 fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT;
1701 if (phba->lmt & LMT_1Gb)
1702 fc_host_supported_speeds(host) |= FC_PORTSPEED_1GBIT;
1704 fc_host_maxframe_size(host) =
1705 ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
1706 (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb);
1708 /* This value is also unchanging */
1709 memset(fc_host_active_fc4s(host), 0,
1710 sizeof(fc_host_active_fc4s(host)));
1711 fc_host_active_fc4s(host)[2] = 1;
1712 fc_host_active_fc4s(host)[7] = 1;
1714 spin_lock_irq(phba->host->host_lock);
1715 phba->fc_flag &= ~FC_LOADING;
1716 spin_unlock_irq(phba->host->host_lock);
1720 lpfc_stop_timer(phba);
1721 phba->work_hba_events = 0;
1722 free_irq(phba->pcidev->irq, phba);
1723 out_free_sysfs_attr:
1724 lpfc_free_sysfs_attr(phba);
1726 fc_remove_host(phba->host);
1727 scsi_remove_host(phba->host);
1729 kthread_stop(phba->worker_thread);
1731 list_for_each_entry_safe(iocbq_entry, iocbq_next,
1732 &phba->lpfc_iocb_list, list) {
1733 spin_lock_irq(phba->host->host_lock);
1735 phba->total_iocbq_bufs--;
1736 spin_unlock_irq(phba->host->host_lock);
1738 lpfc_mem_free(phba);
1740 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
1741 phba->slim2p_mapping);
1743 iounmap(phba->ctrl_regs_memmap_p);
1745 iounmap(phba->slim_memmap_p);
1747 idr_remove(&lpfc_hba_index, phba->brd_no);
1750 scsi_host_put(host);
1751 out_release_regions:
1752 pci_release_regions(pdev);
1754 pci_disable_device(pdev);
1756 pci_set_drvdata(pdev, NULL);
1760 static void __devexit
1761 lpfc_pci_remove_one(struct pci_dev *pdev)
1763 struct Scsi_Host *host = pci_get_drvdata(pdev);
1764 struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;
1765 unsigned long iflag;
1767 lpfc_free_sysfs_attr(phba);
1769 spin_lock_irqsave(phba->host->host_lock, iflag);
1770 phba->fc_flag |= FC_UNLOADING;
1772 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1774 fc_remove_host(phba->host);
1775 scsi_remove_host(phba->host);
1777 kthread_stop(phba->worker_thread);
1780 * Bring down the SLI Layer. This step disable all interrupts,
1781 * clears the rings, discards all mailbox commands, and resets
1784 lpfc_sli_hba_down(phba);
1785 lpfc_sli_brdrestart(phba);
1787 /* Release the irq reservation */
1788 free_irq(phba->pcidev->irq, phba);
1790 lpfc_cleanup(phba, 0);
1791 lpfc_stop_timer(phba);
1792 phba->work_hba_events = 0;
1795 * Call scsi_free before mem_free since scsi bufs are released to their
1796 * corresponding pools here.
1798 lpfc_scsi_free(phba);
1799 lpfc_mem_free(phba);
1801 /* Free resources associated with SLI2 interface */
1802 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
1803 phba->slim2p, phba->slim2p_mapping);
1805 /* unmap adapter SLIM and Control Registers */
1806 iounmap(phba->ctrl_regs_memmap_p);
1807 iounmap(phba->slim_memmap_p);
1809 pci_release_regions(phba->pcidev);
1810 pci_disable_device(phba->pcidev);
1812 idr_remove(&lpfc_hba_index, phba->brd_no);
1813 scsi_host_put(phba->host);
1815 pci_set_drvdata(pdev, NULL);
1818 static struct pci_device_id lpfc_id_table[] = {
1819 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
1820 PCI_ANY_ID, PCI_ANY_ID, },
1821 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
1822 PCI_ANY_ID, PCI_ANY_ID, },
1823 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
1824 PCI_ANY_ID, PCI_ANY_ID, },
1825 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
1826 PCI_ANY_ID, PCI_ANY_ID, },
1827 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
1828 PCI_ANY_ID, PCI_ANY_ID, },
1829 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
1830 PCI_ANY_ID, PCI_ANY_ID, },
1831 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
1832 PCI_ANY_ID, PCI_ANY_ID, },
1833 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
1834 PCI_ANY_ID, PCI_ANY_ID, },
1835 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
1836 PCI_ANY_ID, PCI_ANY_ID, },
1837 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
1838 PCI_ANY_ID, PCI_ANY_ID, },
1839 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
1840 PCI_ANY_ID, PCI_ANY_ID, },
1841 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
1842 PCI_ANY_ID, PCI_ANY_ID, },
1843 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
1844 PCI_ANY_ID, PCI_ANY_ID, },
1845 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
1846 PCI_ANY_ID, PCI_ANY_ID, },
1847 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
1848 PCI_ANY_ID, PCI_ANY_ID, },
1849 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
1850 PCI_ANY_ID, PCI_ANY_ID, },
1851 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
1852 PCI_ANY_ID, PCI_ANY_ID, },
1853 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
1854 PCI_ANY_ID, PCI_ANY_ID, },
1855 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
1856 PCI_ANY_ID, PCI_ANY_ID, },
1857 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
1858 PCI_ANY_ID, PCI_ANY_ID, },
1859 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
1860 PCI_ANY_ID, PCI_ANY_ID, },
1861 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
1862 PCI_ANY_ID, PCI_ANY_ID, },
1863 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
1864 PCI_ANY_ID, PCI_ANY_ID, },
1865 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
1866 PCI_ANY_ID, PCI_ANY_ID, },
1867 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
1868 PCI_ANY_ID, PCI_ANY_ID, },
1869 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
1870 PCI_ANY_ID, PCI_ANY_ID, },
1871 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
1872 PCI_ANY_ID, PCI_ANY_ID, },
1876 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
1878 static struct pci_driver lpfc_driver = {
1879 .name = LPFC_DRIVER_NAME,
1880 .id_table = lpfc_id_table,
1881 .probe = lpfc_pci_probe_one,
1882 .remove = __devexit_p(lpfc_pci_remove_one),
1890 printk(LPFC_MODULE_DESC "\n");
1891 printk(LPFC_COPYRIGHT "\n");
1893 lpfc_transport_template =
1894 fc_attach_transport(&lpfc_transport_functions);
1895 if (!lpfc_transport_template)
1897 error = pci_register_driver(&lpfc_driver);
1899 fc_release_transport(lpfc_transport_template);
1907 pci_unregister_driver(&lpfc_driver);
1908 fc_release_transport(lpfc_transport_template);
1911 module_init(lpfc_init);
1912 module_exit(lpfc_exit);
1913 MODULE_LICENSE("GPL");
1914 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
1915 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
1916 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);