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 if (phba
->cfg_soft_wwnn
)
272 u64_to_wwn(phba
->cfg_soft_wwnn
, phba
->fc_sparam
.nodeName
.u
.wwn
);
273 if (phba
->cfg_soft_wwpn
)
274 u64_to_wwn(phba
->cfg_soft_wwpn
, phba
->fc_sparam
.portName
.u
.wwn
);
275 memcpy(&phba
->fc_nodename
, &phba
->fc_sparam
.nodeName
,
276 sizeof (struct lpfc_name
));
277 memcpy(&phba
->fc_portname
, &phba
->fc_sparam
.portName
,
278 sizeof (struct lpfc_name
));
279 /* If no serial number in VPD data, use low 6 bytes of WWNN */
280 /* This should be consolidated into parse_vpd ? - mr */
281 if (phba
->SerialNumber
[0] == 0) {
284 outptr
= &phba
->fc_nodename
.u
.s
.IEEE
[0];
285 for (i
= 0; i
< 12; i
++) {
287 j
= ((status
& 0xf0) >> 4);
289 phba
->SerialNumber
[i
] =
290 (char)((uint8_t) 0x30 + (uint8_t) j
);
292 phba
->SerialNumber
[i
] =
293 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
297 phba
->SerialNumber
[i
] =
298 (char)((uint8_t) 0x30 + (uint8_t) j
);
300 phba
->SerialNumber
[i
] =
301 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
305 lpfc_read_config(phba
, pmb
);
306 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
307 lpfc_printf_log(phba
,
310 "%d:0453 Adapter failed to init, mbxCmd x%x "
311 "READ_CONFIG, mbxStatus x%x\n",
313 mb
->mbxCommand
, mb
->mbxStatus
);
314 phba
->hba_state
= LPFC_HBA_ERROR
;
315 mempool_free( pmb
, phba
->mbox_mem_pool
);
319 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
320 if (phba
->cfg_hba_queue_depth
> (mb
->un
.varRdConfig
.max_xri
+1))
321 phba
->cfg_hba_queue_depth
=
322 mb
->un
.varRdConfig
.max_xri
+ 1;
324 phba
->lmt
= mb
->un
.varRdConfig
.lmt
;
326 /* Get the default values for Model Name and Description */
327 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
329 if ((phba
->cfg_link_speed
> LINK_SPEED_10G
)
330 || ((phba
->cfg_link_speed
== LINK_SPEED_1G
)
331 && !(phba
->lmt
& LMT_1Gb
))
332 || ((phba
->cfg_link_speed
== LINK_SPEED_2G
)
333 && !(phba
->lmt
& LMT_2Gb
))
334 || ((phba
->cfg_link_speed
== LINK_SPEED_4G
)
335 && !(phba
->lmt
& LMT_4Gb
))
336 || ((phba
->cfg_link_speed
== LINK_SPEED_8G
)
337 && !(phba
->lmt
& LMT_8Gb
))
338 || ((phba
->cfg_link_speed
== LINK_SPEED_10G
)
339 && !(phba
->lmt
& LMT_10Gb
))) {
340 /* Reset link speed to auto */
341 lpfc_printf_log(phba
,
344 "%d:1302 Invalid speed for this board: "
345 "Reset link speed to auto: x%x\n",
347 phba
->cfg_link_speed
);
348 phba
->cfg_link_speed
= LINK_SPEED_AUTO
;
351 phba
->hba_state
= LPFC_LINK_DOWN
;
353 /* Only process IOCBs on ring 0 till hba_state is READY */
354 if (psli
->ring
[psli
->extra_ring
].cmdringaddr
)
355 psli
->ring
[psli
->extra_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
356 if (psli
->ring
[psli
->fcp_ring
].cmdringaddr
)
357 psli
->ring
[psli
->fcp_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
358 if (psli
->ring
[psli
->next_ring
].cmdringaddr
)
359 psli
->ring
[psli
->next_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
361 /* Post receive buffers for desired rings */
362 lpfc_post_rcv_buf(phba
);
364 /* Enable appropriate host interrupts */
365 spin_lock_irq(phba
->host
->host_lock
);
366 status
= readl(phba
->HCregaddr
);
367 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
368 if (psli
->num_rings
> 0)
369 status
|= HC_R0INT_ENA
;
370 if (psli
->num_rings
> 1)
371 status
|= HC_R1INT_ENA
;
372 if (psli
->num_rings
> 2)
373 status
|= HC_R2INT_ENA
;
374 if (psli
->num_rings
> 3)
375 status
|= HC_R3INT_ENA
;
377 if ((phba
->cfg_poll
& ENABLE_FCP_RING_POLLING
) &&
378 (phba
->cfg_poll
& DISABLE_FCP_RING_INT
))
379 status
&= ~(HC_R0INT_ENA
<< LPFC_FCP_RING
);
381 writel(status
, phba
->HCregaddr
);
382 readl(phba
->HCregaddr
); /* flush */
383 spin_unlock_irq(phba
->host
->host_lock
);
386 * Setup the ring 0 (els) timeout handler
388 timeout
= phba
->fc_ratov
<< 1;
389 mod_timer(&phba
->els_tmofunc
, jiffies
+ HZ
* timeout
);
391 lpfc_init_link(phba
, pmb
, phba
->cfg_topology
, phba
->cfg_link_speed
);
392 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
393 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
394 lpfc_set_loopback_flag(phba
);
395 if (rc
!= MBX_SUCCESS
) {
396 lpfc_printf_log(phba
,
399 "%d:0454 Adapter failed to init, mbxCmd x%x "
400 "INIT_LINK, mbxStatus x%x\n",
402 mb
->mbxCommand
, mb
->mbxStatus
);
404 /* Clear all interrupt enable conditions */
405 writel(0, phba
->HCregaddr
);
406 readl(phba
->HCregaddr
); /* flush */
407 /* Clear all pending interrupts */
408 writel(0xffffffff, phba
->HAregaddr
);
409 readl(phba
->HAregaddr
); /* flush */
411 phba
->hba_state
= LPFC_HBA_ERROR
;
413 mempool_free(pmb
, phba
->mbox_mem_pool
);
416 /* MBOX buffer will be freed in mbox compl */
422 lpfc_discovery_wait(struct lpfc_hba
*phba
)
426 while ((phba
->hba_state
!= LPFC_HBA_READY
) ||
427 (phba
->num_disc_nodes
) || (phba
->fc_prli_sent
) ||
428 ((phba
->fc_map_cnt
== 0) && (i
<2)) ||
429 (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
)) {
430 /* Check every second for 30 retries. */
435 if ((i
>= 15) && (phba
->hba_state
<= LPFC_LINK_DOWN
)) {
436 /* The link is down. Set linkdown timeout */
440 /* Delay for 1 second to give discovery time to complete. */
448 /************************************************************************/
450 /* lpfc_hba_down_prep */
451 /* This routine will do LPFC uninitialization before the */
452 /* HBA is reset when bringing down the SLI Layer. This will be */
453 /* initialized as a SLI layer callback routine. */
454 /* This routine returns 0 on success. Any other return value */
455 /* indicates an error. */
457 /************************************************************************/
459 lpfc_hba_down_prep(struct lpfc_hba
* phba
)
461 /* Disable interrupts */
462 writel(0, phba
->HCregaddr
);
463 readl(phba
->HCregaddr
); /* flush */
465 /* Cleanup potential discovery resources */
466 lpfc_els_flush_rscn(phba
);
467 lpfc_els_flush_cmd(phba
);
468 lpfc_disc_flush_list(phba
);
473 /************************************************************************/
475 /* lpfc_hba_down_post */
476 /* This routine will do uninitialization after the HBA is reset */
477 /* when bringing down the SLI Layer. */
478 /* This routine returns 0 on success. Any other return value */
479 /* indicates an error. */
481 /************************************************************************/
483 lpfc_hba_down_post(struct lpfc_hba
* phba
)
485 struct lpfc_sli
*psli
= &phba
->sli
;
486 struct lpfc_sli_ring
*pring
;
487 struct lpfc_dmabuf
*mp
, *next_mp
;
490 /* Cleanup preposted buffers on the ELS ring */
491 pring
= &psli
->ring
[LPFC_ELS_RING
];
492 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
494 pring
->postbufq_cnt
--;
495 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
499 for (i
= 0; i
< psli
->num_rings
; i
++) {
500 pring
= &psli
->ring
[i
];
501 lpfc_sli_abort_iocb_ring(phba
, pring
);
507 /************************************************************************/
509 /* lpfc_handle_eratt */
510 /* This routine will handle processing a Host Attention */
511 /* Error Status event. This will be initialized */
512 /* as a SLI layer callback routine. */
514 /************************************************************************/
516 lpfc_handle_eratt(struct lpfc_hba
* phba
)
518 struct lpfc_sli
*psli
= &phba
->sli
;
519 struct lpfc_sli_ring
*pring
;
521 /* If the pci channel is offline, ignore possible errors,
522 * since we cannot communicate with the pci card anyway. */
523 if (pci_channel_offline(phba
->pcidev
))
526 if (phba
->work_hs
& HS_FFER6
||
527 phba
->work_hs
& HS_FFER5
) {
528 /* Re-establishing Link */
529 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
530 "%d:1301 Re-establishing Link "
531 "Data: x%x x%x x%x\n",
532 phba
->brd_no
, phba
->work_hs
,
533 phba
->work_status
[0], phba
->work_status
[1]);
534 spin_lock_irq(phba
->host
->host_lock
);
535 phba
->fc_flag
|= FC_ESTABLISH_LINK
;
536 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
537 spin_unlock_irq(phba
->host
->host_lock
);
540 * Firmware stops when it triggled erratt with HS_FFER6.
541 * That could cause the I/Os dropped by the firmware.
542 * Error iocb (I/O) on txcmplq and let the SCSI layer
543 * retry it after re-establishing link.
545 pring
= &psli
->ring
[psli
->fcp_ring
];
546 lpfc_sli_abort_iocb_ring(phba
, pring
);
550 * There was a firmware error. Take the hba offline and then
551 * attempt to restart it.
553 lpfc_offline_prep(phba
);
555 lpfc_sli_brdrestart(phba
);
556 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
557 mod_timer(&phba
->fc_estabtmo
, jiffies
+ HZ
* 60);
558 lpfc_unblock_mgmt_io(phba
);
561 lpfc_unblock_mgmt_io(phba
);
563 /* The if clause above forces this code path when the status
564 * failure is a value other than FFER6. Do not call the offline
565 * twice. This is the adapter hardware error path.
567 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
568 "%d:0457 Adapter Hardware Error "
569 "Data: x%x x%x x%x\n",
570 phba
->brd_no
, phba
->work_hs
,
571 phba
->work_status
[0], phba
->work_status
[1]);
573 event_data
= FC_REG_DUMP_EVENT
;
574 fc_host_post_vendor_event(phba
->host
, fc_get_event_number(),
575 sizeof(event_data
), (char *) &event_data
,
576 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
578 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
579 lpfc_offline_prep(phba
);
581 lpfc_unblock_mgmt_io(phba
);
582 phba
->hba_state
= LPFC_HBA_ERROR
;
583 lpfc_hba_down_post(phba
);
587 /************************************************************************/
589 /* lpfc_handle_latt */
590 /* This routine will handle processing a Host Attention */
591 /* Link Status event. This will be initialized */
592 /* as a SLI layer callback routine. */
594 /************************************************************************/
596 lpfc_handle_latt(struct lpfc_hba
* phba
)
598 struct lpfc_sli
*psli
= &phba
->sli
;
600 volatile uint32_t control
;
601 struct lpfc_dmabuf
*mp
;
604 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
606 goto lpfc_handle_latt_err_exit
;
608 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
610 goto lpfc_handle_latt_free_pmb
;
612 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
614 goto lpfc_handle_latt_free_mp
;
618 /* Cleanup any outstanding ELS commands */
619 lpfc_els_flush_cmd(phba
);
621 psli
->slistat
.link_event
++;
622 lpfc_read_la(phba
, pmb
, mp
);
623 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_la
;
624 rc
= lpfc_sli_issue_mbox (phba
, pmb
, (MBX_NOWAIT
| MBX_STOP_IOCB
));
625 if (rc
== MBX_NOT_FINISHED
)
626 goto lpfc_handle_latt_free_mbuf
;
628 /* Clear Link Attention in HA REG */
629 spin_lock_irq(phba
->host
->host_lock
);
630 writel(HA_LATT
, phba
->HAregaddr
);
631 readl(phba
->HAregaddr
); /* flush */
632 spin_unlock_irq(phba
->host
->host_lock
);
636 lpfc_handle_latt_free_mbuf
:
637 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
638 lpfc_handle_latt_free_mp
:
640 lpfc_handle_latt_free_pmb
:
641 mempool_free(pmb
, phba
->mbox_mem_pool
);
642 lpfc_handle_latt_err_exit
:
643 /* Enable Link attention interrupts */
644 spin_lock_irq(phba
->host
->host_lock
);
645 psli
->sli_flag
|= LPFC_PROCESS_LA
;
646 control
= readl(phba
->HCregaddr
);
647 control
|= HC_LAINT_ENA
;
648 writel(control
, phba
->HCregaddr
);
649 readl(phba
->HCregaddr
); /* flush */
651 /* Clear Link Attention in HA REG */
652 writel(HA_LATT
, phba
->HAregaddr
);
653 readl(phba
->HAregaddr
); /* flush */
654 spin_unlock_irq(phba
->host
->host_lock
);
656 phba
->hba_state
= LPFC_HBA_ERROR
;
658 /* The other case is an error from issue_mbox */
660 lpfc_printf_log(phba
,
663 "%d:0300 READ_LA: no buffers\n",
669 /************************************************************************/
672 /* This routine will parse the VPD data */
674 /************************************************************************/
676 lpfc_parse_vpd(struct lpfc_hba
* phba
, uint8_t * vpd
, int len
)
678 uint8_t lenlo
, lenhi
;
688 lpfc_printf_log(phba
,
691 "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
693 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
695 while (!finished
&& (index
< (len
- 4))) {
696 switch (vpd
[index
]) {
704 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
713 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
714 if (Length
> len
- index
)
715 Length
= len
- index
;
717 /* Look for Serial Number */
718 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
725 phba
->SerialNumber
[j
++] = vpd
[index
++];
729 phba
->SerialNumber
[j
] = 0;
732 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
733 phba
->vpd_flag
|= VPD_MODEL_DESC
;
740 phba
->ModelDesc
[j
++] = vpd
[index
++];
744 phba
->ModelDesc
[j
] = 0;
747 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
748 phba
->vpd_flag
|= VPD_MODEL_NAME
;
755 phba
->ModelName
[j
++] = vpd
[index
++];
759 phba
->ModelName
[j
] = 0;
762 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
763 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
770 phba
->ProgramType
[j
++] = vpd
[index
++];
774 phba
->ProgramType
[j
] = 0;
777 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
778 phba
->vpd_flag
|= VPD_PORT
;
785 phba
->Port
[j
++] = vpd
[index
++];
815 lpfc_get_hba_model_desc(struct lpfc_hba
* phba
, uint8_t * mdp
, uint8_t * descp
)
818 uint16_t dev_id
= phba
->pcidev
->device
;
824 } m
= {"<Unknown>", 0, ""};
826 if (mdp
&& mdp
[0] != '\0'
827 && descp
&& descp
[0] != '\0')
830 if (phba
->lmt
& LMT_10Gb
)
832 else if (phba
->lmt
& LMT_8Gb
)
834 else if (phba
->lmt
& LMT_4Gb
)
836 else if (phba
->lmt
& LMT_2Gb
)
844 case PCI_DEVICE_ID_FIREFLY
:
845 m
= (typeof(m
)){"LP6000", max_speed
, "PCI"};
847 case PCI_DEVICE_ID_SUPERFLY
:
848 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
849 m
= (typeof(m
)){"LP7000", max_speed
, "PCI"};
851 m
= (typeof(m
)){"LP7000E", max_speed
, "PCI"};
853 case PCI_DEVICE_ID_DRAGONFLY
:
854 m
= (typeof(m
)){"LP8000", max_speed
, "PCI"};
856 case PCI_DEVICE_ID_CENTAUR
:
857 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
858 m
= (typeof(m
)){"LP9002", max_speed
, "PCI"};
860 m
= (typeof(m
)){"LP9000", max_speed
, "PCI"};
862 case PCI_DEVICE_ID_RFLY
:
863 m
= (typeof(m
)){"LP952", max_speed
, "PCI"};
865 case PCI_DEVICE_ID_PEGASUS
:
866 m
= (typeof(m
)){"LP9802", max_speed
, "PCI-X"};
868 case PCI_DEVICE_ID_THOR
:
869 m
= (typeof(m
)){"LP10000", max_speed
, "PCI-X"};
871 case PCI_DEVICE_ID_VIPER
:
872 m
= (typeof(m
)){"LPX1000", max_speed
, "PCI-X"};
874 case PCI_DEVICE_ID_PFLY
:
875 m
= (typeof(m
)){"LP982", max_speed
, "PCI-X"};
877 case PCI_DEVICE_ID_TFLY
:
878 m
= (typeof(m
)){"LP1050", max_speed
, "PCI-X"};
880 case PCI_DEVICE_ID_HELIOS
:
881 m
= (typeof(m
)){"LP11000", max_speed
, "PCI-X2"};
883 case PCI_DEVICE_ID_HELIOS_SCSP
:
884 m
= (typeof(m
)){"LP11000-SP", max_speed
, "PCI-X2"};
886 case PCI_DEVICE_ID_HELIOS_DCSP
:
887 m
= (typeof(m
)){"LP11002-SP", max_speed
, "PCI-X2"};
889 case PCI_DEVICE_ID_NEPTUNE
:
890 m
= (typeof(m
)){"LPe1000", max_speed
, "PCIe"};
892 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
893 m
= (typeof(m
)){"LPe1000-SP", max_speed
, "PCIe"};
895 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
896 m
= (typeof(m
)){"LPe1002-SP", max_speed
, "PCIe"};
898 case PCI_DEVICE_ID_BMID
:
899 m
= (typeof(m
)){"LP1150", max_speed
, "PCI-X2"};
901 case PCI_DEVICE_ID_BSMB
:
902 m
= (typeof(m
)){"LP111", max_speed
, "PCI-X2"};
904 case PCI_DEVICE_ID_ZEPHYR
:
905 m
= (typeof(m
)){"LPe11000", max_speed
, "PCIe"};
907 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
908 m
= (typeof(m
)){"LPe11000", max_speed
, "PCIe"};
910 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
911 m
= (typeof(m
)){"LPe11002-SP", max_speed
, "PCIe"};
913 case PCI_DEVICE_ID_ZMID
:
914 m
= (typeof(m
)){"LPe1150", max_speed
, "PCIe"};
916 case PCI_DEVICE_ID_ZSMB
:
917 m
= (typeof(m
)){"LPe111", max_speed
, "PCIe"};
919 case PCI_DEVICE_ID_LP101
:
920 m
= (typeof(m
)){"LP101", max_speed
, "PCI-X"};
922 case PCI_DEVICE_ID_LP10000S
:
923 m
= (typeof(m
)){"LP10000-S", max_speed
, "PCI"};
925 case PCI_DEVICE_ID_LP11000S
:
926 m
= (typeof(m
)){"LP11000-S", max_speed
,
929 case PCI_DEVICE_ID_LPE11000S
:
930 m
= (typeof(m
)){"LPe11000-S", max_speed
,
934 m
= (typeof(m
)){ NULL
};
938 if (mdp
&& mdp
[0] == '\0')
939 snprintf(mdp
, 79,"%s", m
.name
);
940 if (descp
&& descp
[0] == '\0')
942 "Emulex %s %dGb %s Fibre Channel Adapter",
943 m
.name
, m
.max_speed
, m
.bus
);
946 /**************************************************/
947 /* lpfc_post_buffer */
949 /* This routine will post count buffers to the */
950 /* ring with the QUE_RING_BUF_CN command. This */
951 /* allows 3 buffers / command to be posted. */
952 /* Returns the number of buffers NOT posted. */
953 /**************************************************/
955 lpfc_post_buffer(struct lpfc_hba
* phba
, struct lpfc_sli_ring
* pring
, int cnt
,
959 struct lpfc_iocbq
*iocb
;
960 struct lpfc_dmabuf
*mp1
, *mp2
;
962 cnt
+= pring
->missbufcnt
;
964 /* While there are buffers to post */
966 /* Allocate buffer for command iocb */
967 spin_lock_irq(phba
->host
->host_lock
);
968 iocb
= lpfc_sli_get_iocbq(phba
);
969 spin_unlock_irq(phba
->host
->host_lock
);
971 pring
->missbufcnt
= cnt
;
976 /* 2 buffers can be posted per command */
977 /* Allocate buffer to post */
978 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
980 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
982 if (mp1
== 0 || mp1
->virt
== 0) {
984 spin_lock_irq(phba
->host
->host_lock
);
985 lpfc_sli_release_iocbq(phba
, iocb
);
986 spin_unlock_irq(phba
->host
->host_lock
);
987 pring
->missbufcnt
= cnt
;
991 INIT_LIST_HEAD(&mp1
->list
);
992 /* Allocate buffer to post */
994 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
996 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
998 if (mp2
== 0 || mp2
->virt
== 0) {
1000 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1002 spin_lock_irq(phba
->host
->host_lock
);
1003 lpfc_sli_release_iocbq(phba
, iocb
);
1004 spin_unlock_irq(phba
->host
->host_lock
);
1005 pring
->missbufcnt
= cnt
;
1009 INIT_LIST_HEAD(&mp2
->list
);
1014 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
1015 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
1016 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
1017 icmd
->ulpBdeCount
= 1;
1020 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
1021 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
1022 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
1024 icmd
->ulpBdeCount
= 2;
1027 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
1030 spin_lock_irq(phba
->host
->host_lock
);
1031 if (lpfc_sli_issue_iocb(phba
, pring
, iocb
, 0) == IOCB_ERROR
) {
1032 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1036 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
1040 lpfc_sli_release_iocbq(phba
, iocb
);
1041 pring
->missbufcnt
= cnt
;
1042 spin_unlock_irq(phba
->host
->host_lock
);
1045 spin_unlock_irq(phba
->host
->host_lock
);
1046 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
1048 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
1051 pring
->missbufcnt
= 0;
1055 /************************************************************************/
1057 /* lpfc_post_rcv_buf */
1058 /* This routine post initial rcv buffers to the configured rings */
1060 /************************************************************************/
1062 lpfc_post_rcv_buf(struct lpfc_hba
* phba
)
1064 struct lpfc_sli
*psli
= &phba
->sli
;
1066 /* Ring 0, ELS / CT buffers */
1067 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
, 1);
1068 /* Ring 2 - FCP no buffers needed */
1073 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1075 /************************************************************************/
1079 /************************************************************************/
1081 lpfc_sha_init(uint32_t * HashResultPointer
)
1083 HashResultPointer
[0] = 0x67452301;
1084 HashResultPointer
[1] = 0xEFCDAB89;
1085 HashResultPointer
[2] = 0x98BADCFE;
1086 HashResultPointer
[3] = 0x10325476;
1087 HashResultPointer
[4] = 0xC3D2E1F0;
1090 /************************************************************************/
1092 /* lpfc_sha_iterate */
1094 /************************************************************************/
1096 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
1100 uint32_t A
, B
, C
, D
, E
;
1103 HashWorkingPointer
[t
] =
1105 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
1107 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
1108 } while (++t
<= 79);
1110 A
= HashResultPointer
[0];
1111 B
= HashResultPointer
[1];
1112 C
= HashResultPointer
[2];
1113 D
= HashResultPointer
[3];
1114 E
= HashResultPointer
[4];
1118 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
1119 } else if (t
< 40) {
1120 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
1121 } else if (t
< 60) {
1122 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
1124 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
1126 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
1132 } while (++t
<= 79);
1134 HashResultPointer
[0] += A
;
1135 HashResultPointer
[1] += B
;
1136 HashResultPointer
[2] += C
;
1137 HashResultPointer
[3] += D
;
1138 HashResultPointer
[4] += E
;
1142 /************************************************************************/
1144 /* lpfc_challenge_key */
1146 /************************************************************************/
1148 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
1150 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
1153 /************************************************************************/
1157 /************************************************************************/
1159 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
1162 uint32_t *HashWorking
;
1163 uint32_t *pwwnn
= phba
->wwnn
;
1165 HashWorking
= kmalloc(80 * sizeof(uint32_t), GFP_KERNEL
);
1169 memset(HashWorking
, 0, (80 * sizeof(uint32_t)));
1170 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
1171 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
1173 for (t
= 0; t
< 7; t
++)
1174 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
1176 lpfc_sha_init(hbainit
);
1177 lpfc_sha_iterate(hbainit
, HashWorking
);
1182 lpfc_cleanup(struct lpfc_hba
* phba
)
1184 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
1186 /* clean up phba - lpfc specific */
1187 lpfc_can_disctmo(phba
);
1188 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_nodes
, nlp_listp
)
1191 INIT_LIST_HEAD(&phba
->fc_nodes
);
1197 lpfc_establish_link_tmo(unsigned long ptr
)
1199 struct lpfc_hba
*phba
= (struct lpfc_hba
*)ptr
;
1200 unsigned long iflag
;
1203 /* Re-establishing Link, timer expired */
1204 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
1205 "%d:1300 Re-establishing Link, timer expired "
1207 phba
->brd_no
, phba
->fc_flag
, phba
->hba_state
);
1208 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
1209 phba
->fc_flag
&= ~FC_ESTABLISH_LINK
;
1210 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1214 lpfc_stop_timer(struct lpfc_hba
* phba
)
1216 struct lpfc_sli
*psli
= &phba
->sli
;
1218 del_timer_sync(&phba
->fcp_poll_timer
);
1219 del_timer_sync(&phba
->fc_estabtmo
);
1220 del_timer_sync(&phba
->fc_disctmo
);
1221 del_timer_sync(&phba
->fc_fdmitmo
);
1222 del_timer_sync(&phba
->els_tmofunc
);
1224 del_timer_sync(&psli
->mbox_tmo
);
1229 lpfc_online(struct lpfc_hba
* phba
)
1234 if (!(phba
->fc_flag
& FC_OFFLINE_MODE
))
1237 lpfc_printf_log(phba
,
1240 "%d:0458 Bring Adapter online\n",
1243 lpfc_block_mgmt_io(phba
);
1245 if (!lpfc_sli_queue_setup(phba
)) {
1246 lpfc_unblock_mgmt_io(phba
);
1250 if (lpfc_sli_hba_setup(phba
)) { /* Initialize the HBA */
1251 lpfc_unblock_mgmt_io(phba
);
1255 spin_lock_irq(phba
->host
->host_lock
);
1256 phba
->fc_flag
&= ~FC_OFFLINE_MODE
;
1257 spin_unlock_irq(phba
->host
->host_lock
);
1259 lpfc_unblock_mgmt_io(phba
);
1264 lpfc_block_mgmt_io(struct lpfc_hba
* phba
)
1266 unsigned long iflag
;
1268 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
1269 phba
->fc_flag
|= FC_BLOCK_MGMT_IO
;
1270 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1274 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
1276 unsigned long iflag
;
1278 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
1279 phba
->fc_flag
&= ~FC_BLOCK_MGMT_IO
;
1280 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1284 lpfc_offline_prep(struct lpfc_hba
* phba
)
1286 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
1288 if (phba
->fc_flag
& FC_OFFLINE_MODE
)
1291 lpfc_block_mgmt_io(phba
);
1293 lpfc_linkdown(phba
);
1295 /* Issue an unreg_login to all nodes */
1296 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_nodes
, nlp_listp
)
1297 if (ndlp
->nlp_state
!= NLP_STE_UNUSED_NODE
)
1298 lpfc_unreg_rpi(phba
, ndlp
);
1300 lpfc_sli_flush_mbox_queue(phba
);
1304 lpfc_offline(struct lpfc_hba
* phba
)
1306 unsigned long iflag
;
1308 if (phba
->fc_flag
& FC_OFFLINE_MODE
)
1311 /* stop all timers associated with this hba */
1312 lpfc_stop_timer(phba
);
1314 lpfc_printf_log(phba
,
1317 "%d:0460 Bring Adapter offline\n",
1320 /* Bring down the SLI Layer and cleanup. The HBA is offline
1322 lpfc_sli_hba_down(phba
);
1324 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
1325 phba
->work_hba_events
= 0;
1327 phba
->fc_flag
|= FC_OFFLINE_MODE
;
1328 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1331 /******************************************************************************
1332 * Function name: lpfc_scsi_free
1334 * Description: Called from lpfc_pci_remove_one free internal driver resources
1336 ******************************************************************************/
1338 lpfc_scsi_free(struct lpfc_hba
* phba
)
1340 struct lpfc_scsi_buf
*sb
, *sb_next
;
1341 struct lpfc_iocbq
*io
, *io_next
;
1343 spin_lock_irq(phba
->host
->host_lock
);
1344 /* Release all the lpfc_scsi_bufs maintained by this host. */
1345 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
) {
1346 list_del(&sb
->list
);
1347 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
1350 phba
->total_scsi_bufs
--;
1353 /* Release all the lpfc_iocbq entries maintained by this host. */
1354 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
1355 list_del(&io
->list
);
1357 phba
->total_iocbq_bufs
--;
1360 spin_unlock_irq(phba
->host
->host_lock
);
1366 static int __devinit
1367 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
1369 struct Scsi_Host
*host
;
1370 struct lpfc_hba
*phba
;
1371 struct lpfc_sli
*psli
;
1372 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
1373 unsigned long bar0map_len
, bar2map_len
;
1374 int error
= -ENODEV
, retval
;
1378 if (pci_enable_device(pdev
))
1380 if (pci_request_regions(pdev
, LPFC_DRIVER_NAME
))
1381 goto out_disable_device
;
1383 host
= scsi_host_alloc(&lpfc_template
, sizeof (struct lpfc_hba
));
1385 goto out_release_regions
;
1387 phba
= (struct lpfc_hba
*)host
->hostdata
;
1388 memset(phba
, 0, sizeof (struct lpfc_hba
));
1391 phba
->fc_flag
|= FC_LOADING
;
1392 phba
->pcidev
= pdev
;
1394 /* Assign an unused board number */
1395 if (!idr_pre_get(&lpfc_hba_index
, GFP_KERNEL
))
1398 error
= idr_get_new(&lpfc_hba_index
, NULL
, &phba
->brd_no
);
1402 host
->unique_id
= phba
->brd_no
;
1404 /* Initialize timers used by driver */
1405 init_timer(&phba
->fc_estabtmo
);
1406 phba
->fc_estabtmo
.function
= lpfc_establish_link_tmo
;
1407 phba
->fc_estabtmo
.data
= (unsigned long)phba
;
1408 init_timer(&phba
->fc_disctmo
);
1409 phba
->fc_disctmo
.function
= lpfc_disc_timeout
;
1410 phba
->fc_disctmo
.data
= (unsigned long)phba
;
1412 init_timer(&phba
->fc_fdmitmo
);
1413 phba
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
1414 phba
->fc_fdmitmo
.data
= (unsigned long)phba
;
1415 init_timer(&phba
->els_tmofunc
);
1416 phba
->els_tmofunc
.function
= lpfc_els_timeout
;
1417 phba
->els_tmofunc
.data
= (unsigned long)phba
;
1419 init_timer(&psli
->mbox_tmo
);
1420 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
1421 psli
->mbox_tmo
.data
= (unsigned long)phba
;
1423 init_timer(&phba
->fcp_poll_timer
);
1424 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
1425 phba
->fcp_poll_timer
.data
= (unsigned long)phba
;
1428 * Get all the module params for configuring this host and then
1429 * establish the host parameters.
1431 lpfc_get_cfgparam(phba
);
1433 host
->max_id
= LPFC_MAX_TARGET
;
1434 host
->max_lun
= phba
->cfg_max_luns
;
1437 INIT_LIST_HEAD(&phba
->fc_nodes
);
1439 pci_set_master(pdev
);
1440 retval
= pci_set_mwi(pdev
);
1442 dev_printk(KERN_WARNING
, &pdev
->dev
,
1443 "Warning: pci_set_mwi returned %d\n", retval
);
1445 if (pci_set_dma_mask(phba
->pcidev
, DMA_64BIT_MASK
) != 0)
1446 if (pci_set_dma_mask(phba
->pcidev
, DMA_32BIT_MASK
) != 0)
1447 goto out_idr_remove
;
1450 * Get the bus address of Bar0 and Bar2 and the number of bytes
1451 * required by each mapping.
1453 phba
->pci_bar0_map
= pci_resource_start(phba
->pcidev
, 0);
1454 bar0map_len
= pci_resource_len(phba
->pcidev
, 0);
1456 phba
->pci_bar2_map
= pci_resource_start(phba
->pcidev
, 2);
1457 bar2map_len
= pci_resource_len(phba
->pcidev
, 2);
1459 /* Map HBA SLIM to a kernel virtual address. */
1460 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
1461 if (!phba
->slim_memmap_p
) {
1463 dev_printk(KERN_ERR
, &pdev
->dev
,
1464 "ioremap failed for SLIM memory.\n");
1465 goto out_idr_remove
;
1468 /* Map HBA Control Registers to a kernel virtual address. */
1469 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
1470 if (!phba
->ctrl_regs_memmap_p
) {
1472 dev_printk(KERN_ERR
, &pdev
->dev
,
1473 "ioremap failed for HBA control registers.\n");
1474 goto out_iounmap_slim
;
1477 /* Allocate memory for SLI-2 structures */
1478 phba
->slim2p
= dma_alloc_coherent(&phba
->pcidev
->dev
, SLI2_SLIM_SIZE
,
1479 &phba
->slim2p_mapping
, GFP_KERNEL
);
1483 memset(phba
->slim2p
, 0, SLI2_SLIM_SIZE
);
1485 /* Initialize the SLI Layer to run with lpfc HBAs. */
1486 lpfc_sli_setup(phba
);
1487 lpfc_sli_queue_setup(phba
);
1489 error
= lpfc_mem_alloc(phba
);
1493 /* Initialize and populate the iocb list per host. */
1494 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
1495 for (i
= 0; i
< LPFC_IOCB_LIST_CNT
; i
++) {
1496 iocbq_entry
= kmalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
1497 if (iocbq_entry
== NULL
) {
1498 printk(KERN_ERR
"%s: only allocated %d iocbs of "
1499 "expected %d count. Unloading driver.\n",
1500 __FUNCTION__
, i
, LPFC_IOCB_LIST_CNT
);
1502 goto out_free_iocbq
;
1505 memset(iocbq_entry
, 0, sizeof(struct lpfc_iocbq
));
1506 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
1508 kfree (iocbq_entry
);
1509 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
1510 "Unloading driver.\n",
1513 goto out_free_iocbq
;
1515 spin_lock_irq(phba
->host
->host_lock
);
1516 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
1517 phba
->total_iocbq_bufs
++;
1518 spin_unlock_irq(phba
->host
->host_lock
);
1521 /* Initialize HBA structure */
1522 phba
->fc_edtov
= FF_DEF_EDTOV
;
1523 phba
->fc_ratov
= FF_DEF_RATOV
;
1524 phba
->fc_altov
= FF_DEF_ALTOV
;
1525 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
1527 INIT_LIST_HEAD(&phba
->work_list
);
1528 phba
->work_ha_mask
= (HA_ERATT
|HA_MBATT
|HA_LATT
);
1529 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
1531 /* Startup the kernel thread for this host adapter. */
1532 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
1533 "lpfc_worker_%d", phba
->brd_no
);
1534 if (IS_ERR(phba
->worker_thread
)) {
1535 error
= PTR_ERR(phba
->worker_thread
);
1536 goto out_free_iocbq
;
1540 * Set initial can_queue value since 0 is no longer supported and
1541 * scsi_add_host will fail. This will be adjusted later based on the
1542 * max xri value determined in hba setup.
1544 host
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
1546 /* Tell the midlayer we support 16 byte commands */
1547 host
->max_cmd_len
= 16;
1549 /* Initialize the list of scsi buffers used by driver for scsi IO. */
1550 spin_lock_init(&phba
->scsi_buf_list_lock
);
1551 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list
);
1553 host
->transportt
= lpfc_transport_template
;
1554 pci_set_drvdata(pdev
, host
);
1555 error
= scsi_add_host(host
, &pdev
->dev
);
1557 goto out_kthread_stop
;
1559 error
= lpfc_alloc_sysfs_attr(phba
);
1561 goto out_remove_host
;
1563 if (phba
->cfg_use_msi
) {
1564 error
= pci_enable_msi(phba
->pcidev
);
1566 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
, "%d:0452 "
1567 "Enable MSI failed, continuing with "
1568 "IRQ\n", phba
->brd_no
);
1571 error
= request_irq(phba
->pcidev
->irq
, lpfc_intr_handler
, IRQF_SHARED
,
1572 LPFC_DRIVER_NAME
, phba
);
1574 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1575 "%d:0451 Enable interrupt handler failed\n",
1577 goto out_free_sysfs_attr
;
1579 phba
->MBslimaddr
= phba
->slim_memmap_p
;
1580 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
1581 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
1582 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
1583 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
1585 error
= lpfc_sli_hba_setup(phba
);
1592 * hba setup may have changed the hba_queue_depth so we need to adjust
1593 * the value of can_queue.
1595 host
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
1597 lpfc_discovery_wait(phba
);
1599 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
1600 spin_lock_irq(phba
->host
->host_lock
);
1601 lpfc_poll_start_timer(phba
);
1602 spin_unlock_irq(phba
->host
->host_lock
);
1606 * set fixed host attributes
1607 * Must done after lpfc_sli_hba_setup()
1610 fc_host_node_name(host
) = wwn_to_u64(phba
->fc_nodename
.u
.wwn
);
1611 fc_host_port_name(host
) = wwn_to_u64(phba
->fc_portname
.u
.wwn
);
1612 fc_host_supported_classes(host
) = FC_COS_CLASS3
;
1614 memset(fc_host_supported_fc4s(host
), 0,
1615 sizeof(fc_host_supported_fc4s(host
)));
1616 fc_host_supported_fc4s(host
)[2] = 1;
1617 fc_host_supported_fc4s(host
)[7] = 1;
1619 lpfc_get_hba_sym_node_name(phba
, fc_host_symbolic_name(host
));
1621 fc_host_supported_speeds(host
) = 0;
1622 if (phba
->lmt
& LMT_10Gb
)
1623 fc_host_supported_speeds(host
) |= FC_PORTSPEED_10GBIT
;
1624 if (phba
->lmt
& LMT_4Gb
)
1625 fc_host_supported_speeds(host
) |= FC_PORTSPEED_4GBIT
;
1626 if (phba
->lmt
& LMT_2Gb
)
1627 fc_host_supported_speeds(host
) |= FC_PORTSPEED_2GBIT
;
1628 if (phba
->lmt
& LMT_1Gb
)
1629 fc_host_supported_speeds(host
) |= FC_PORTSPEED_1GBIT
;
1631 fc_host_maxframe_size(host
) =
1632 ((((uint32_t) phba
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
1633 (uint32_t) phba
->fc_sparam
.cmn
.bbRcvSizeLsb
);
1635 /* This value is also unchanging */
1636 memset(fc_host_active_fc4s(host
), 0,
1637 sizeof(fc_host_active_fc4s(host
)));
1638 fc_host_active_fc4s(host
)[2] = 1;
1639 fc_host_active_fc4s(host
)[7] = 1;
1641 spin_lock_irq(phba
->host
->host_lock
);
1642 phba
->fc_flag
&= ~FC_LOADING
;
1643 spin_unlock_irq(phba
->host
->host_lock
);
1647 lpfc_stop_timer(phba
);
1648 phba
->work_hba_events
= 0;
1649 free_irq(phba
->pcidev
->irq
, phba
);
1650 pci_disable_msi(phba
->pcidev
);
1651 out_free_sysfs_attr
:
1652 lpfc_free_sysfs_attr(phba
);
1654 fc_remove_host(phba
->host
);
1655 scsi_remove_host(phba
->host
);
1657 kthread_stop(phba
->worker_thread
);
1659 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
1660 &phba
->lpfc_iocb_list
, list
) {
1661 spin_lock_irq(phba
->host
->host_lock
);
1663 phba
->total_iocbq_bufs
--;
1664 spin_unlock_irq(phba
->host
->host_lock
);
1666 lpfc_mem_free(phba
);
1668 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
, phba
->slim2p
,
1669 phba
->slim2p_mapping
);
1671 iounmap(phba
->ctrl_regs_memmap_p
);
1673 iounmap(phba
->slim_memmap_p
);
1675 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
1678 scsi_host_put(host
);
1679 out_release_regions
:
1680 pci_release_regions(pdev
);
1682 pci_disable_device(pdev
);
1684 pci_set_drvdata(pdev
, NULL
);
1688 static void __devexit
1689 lpfc_pci_remove_one(struct pci_dev
*pdev
)
1691 struct Scsi_Host
*host
= pci_get_drvdata(pdev
);
1692 struct lpfc_hba
*phba
= (struct lpfc_hba
*)host
->hostdata
;
1693 unsigned long iflag
;
1695 lpfc_free_sysfs_attr(phba
);
1697 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
1698 phba
->fc_flag
|= FC_UNLOADING
;
1700 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1702 fc_remove_host(phba
->host
);
1703 scsi_remove_host(phba
->host
);
1705 kthread_stop(phba
->worker_thread
);
1708 * Bring down the SLI Layer. This step disable all interrupts,
1709 * clears the rings, discards all mailbox commands, and resets
1712 lpfc_sli_hba_down(phba
);
1713 lpfc_sli_brdrestart(phba
);
1715 /* Release the irq reservation */
1716 free_irq(phba
->pcidev
->irq
, phba
);
1717 pci_disable_msi(phba
->pcidev
);
1720 lpfc_stop_timer(phba
);
1721 phba
->work_hba_events
= 0;
1724 * Call scsi_free before mem_free since scsi bufs are released to their
1725 * corresponding pools here.
1727 lpfc_scsi_free(phba
);
1728 lpfc_mem_free(phba
);
1730 /* Free resources associated with SLI2 interface */
1731 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
1732 phba
->slim2p
, phba
->slim2p_mapping
);
1734 /* unmap adapter SLIM and Control Registers */
1735 iounmap(phba
->ctrl_regs_memmap_p
);
1736 iounmap(phba
->slim_memmap_p
);
1738 pci_release_regions(phba
->pcidev
);
1739 pci_disable_device(phba
->pcidev
);
1741 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
1742 scsi_host_put(phba
->host
);
1744 pci_set_drvdata(pdev
, NULL
);
1748 * lpfc_io_error_detected - called when PCI error is detected
1749 * @pdev: Pointer to PCI device
1750 * @state: The current pci conneection state
1752 * This function is called after a PCI bus error affecting
1753 * this device has been detected.
1755 static pci_ers_result_t
lpfc_io_error_detected(struct pci_dev
*pdev
,
1756 pci_channel_state_t state
)
1758 struct Scsi_Host
*host
= pci_get_drvdata(pdev
);
1759 struct lpfc_hba
*phba
= (struct lpfc_hba
*)host
->hostdata
;
1760 struct lpfc_sli
*psli
= &phba
->sli
;
1761 struct lpfc_sli_ring
*pring
;
1763 if (state
== pci_channel_io_perm_failure
)
1764 return PCI_ERS_RESULT_DISCONNECT
;
1766 pci_disable_device(pdev
);
1768 * There may be I/Os dropped by the firmware.
1769 * Error iocb (I/O) on txcmplq and let the SCSI layer
1770 * retry it after re-establishing link.
1772 pring
= &psli
->ring
[psli
->fcp_ring
];
1773 lpfc_sli_abort_iocb_ring(phba
, pring
);
1775 /* Request a slot reset. */
1776 return PCI_ERS_RESULT_NEED_RESET
;
1780 * lpfc_io_slot_reset - called after the pci bus has been reset.
1781 * @pdev: Pointer to PCI device
1783 * Restart the card from scratch, as if from a cold-boot.
1785 static pci_ers_result_t
lpfc_io_slot_reset(struct pci_dev
*pdev
)
1787 struct Scsi_Host
*host
= pci_get_drvdata(pdev
);
1788 struct lpfc_hba
*phba
= (struct lpfc_hba
*)host
->hostdata
;
1789 struct lpfc_sli
*psli
= &phba
->sli
;
1790 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
1792 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
1793 if (pci_enable_device_bars(pdev
, bars
)) {
1794 printk(KERN_ERR
"lpfc: Cannot re-enable "
1795 "PCI device after reset.\n");
1796 return PCI_ERS_RESULT_DISCONNECT
;
1799 pci_set_master(pdev
);
1801 /* Re-establishing Link */
1802 spin_lock_irq(phba
->host
->host_lock
);
1803 phba
->fc_flag
|= FC_ESTABLISH_LINK
;
1804 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
1805 spin_unlock_irq(phba
->host
->host_lock
);
1808 /* Take device offline; this will perform cleanup */
1810 lpfc_sli_brdrestart(phba
);
1812 return PCI_ERS_RESULT_RECOVERED
;
1816 * lpfc_io_resume - called when traffic can start flowing again.
1817 * @pdev: Pointer to PCI device
1819 * This callback is called when the error recovery driver tells us that
1820 * its OK to resume normal operation.
1822 static void lpfc_io_resume(struct pci_dev
*pdev
)
1824 struct Scsi_Host
*host
= pci_get_drvdata(pdev
);
1825 struct lpfc_hba
*phba
= (struct lpfc_hba
*)host
->hostdata
;
1827 if (lpfc_online(phba
) == 0) {
1828 mod_timer(&phba
->fc_estabtmo
, jiffies
+ HZ
* 60);
1832 static struct pci_device_id lpfc_id_table
[] = {
1833 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
1834 PCI_ANY_ID
, PCI_ANY_ID
, },
1835 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
1836 PCI_ANY_ID
, PCI_ANY_ID
, },
1837 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
1838 PCI_ANY_ID
, PCI_ANY_ID
, },
1839 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
1840 PCI_ANY_ID
, PCI_ANY_ID
, },
1841 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
1842 PCI_ANY_ID
, PCI_ANY_ID
, },
1843 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
1844 PCI_ANY_ID
, PCI_ANY_ID
, },
1845 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
1846 PCI_ANY_ID
, PCI_ANY_ID
, },
1847 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
1848 PCI_ANY_ID
, PCI_ANY_ID
, },
1849 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
1850 PCI_ANY_ID
, PCI_ANY_ID
, },
1851 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
1852 PCI_ANY_ID
, PCI_ANY_ID
, },
1853 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
1854 PCI_ANY_ID
, PCI_ANY_ID
, },
1855 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
1856 PCI_ANY_ID
, PCI_ANY_ID
, },
1857 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
1858 PCI_ANY_ID
, PCI_ANY_ID
, },
1859 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
1860 PCI_ANY_ID
, PCI_ANY_ID
, },
1861 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
1862 PCI_ANY_ID
, PCI_ANY_ID
, },
1863 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
1864 PCI_ANY_ID
, PCI_ANY_ID
, },
1865 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
1866 PCI_ANY_ID
, PCI_ANY_ID
, },
1867 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
1868 PCI_ANY_ID
, PCI_ANY_ID
, },
1869 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
1870 PCI_ANY_ID
, PCI_ANY_ID
, },
1871 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
1872 PCI_ANY_ID
, PCI_ANY_ID
, },
1873 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
1874 PCI_ANY_ID
, PCI_ANY_ID
, },
1875 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
1876 PCI_ANY_ID
, PCI_ANY_ID
, },
1877 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
1878 PCI_ANY_ID
, PCI_ANY_ID
, },
1879 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
1880 PCI_ANY_ID
, PCI_ANY_ID
, },
1881 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
1882 PCI_ANY_ID
, PCI_ANY_ID
, },
1883 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
1884 PCI_ANY_ID
, PCI_ANY_ID
, },
1885 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
1886 PCI_ANY_ID
, PCI_ANY_ID
, },
1890 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
1892 static struct pci_error_handlers lpfc_err_handler
= {
1893 .error_detected
= lpfc_io_error_detected
,
1894 .slot_reset
= lpfc_io_slot_reset
,
1895 .resume
= lpfc_io_resume
,
1898 static struct pci_driver lpfc_driver
= {
1899 .name
= LPFC_DRIVER_NAME
,
1900 .id_table
= lpfc_id_table
,
1901 .probe
= lpfc_pci_probe_one
,
1902 .remove
= __devexit_p(lpfc_pci_remove_one
),
1903 .err_handler
= &lpfc_err_handler
,
1911 printk(LPFC_MODULE_DESC
"\n");
1912 printk(LPFC_COPYRIGHT
"\n");
1914 lpfc_transport_template
=
1915 fc_attach_transport(&lpfc_transport_functions
);
1916 if (!lpfc_transport_template
)
1918 error
= pci_register_driver(&lpfc_driver
);
1920 fc_release_transport(lpfc_transport_template
);
1928 pci_unregister_driver(&lpfc_driver
);
1929 fc_release_transport(lpfc_transport_template
);
1932 module_init(lpfc_init
);
1933 module_exit(lpfc_exit
);
1934 MODULE_LICENSE("GPL");
1935 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
1936 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
1937 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);