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";
75 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
77 phba
->hba_state
= LPFC_HBA_ERROR
;
82 phba
->hba_state
= LPFC_INIT_MBX_CMDS
;
84 if (lpfc_is_LC_HBA(phba
->pcidev
->device
)) {
85 uint32_t *ptext
= (uint32_t *) licensed
;
87 for (i
= 0; i
< 56; i
+= sizeof (uint32_t), ptext
++)
88 *ptext
= cpu_to_be32(*ptext
);
90 lpfc_read_nv(phba
, pmb
);
91 memset((char*)mb
->un
.varRDnvp
.rsvd3
, 0,
92 sizeof (mb
->un
.varRDnvp
.rsvd3
));
93 memcpy((char*)mb
->un
.varRDnvp
.rsvd3
, licensed
,
96 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
98 if (rc
!= MBX_SUCCESS
) {
102 "%d:0324 Config Port initialization "
103 "error, mbxCmd x%x READ_NVPARM, "
106 mb
->mbxCommand
, mb
->mbxStatus
);
107 mempool_free(pmb
, phba
->mbox_mem_pool
);
110 memcpy(phba
->wwnn
, (char *)mb
->un
.varRDnvp
.nodename
,
111 sizeof (mb
->un
.varRDnvp
.nodename
));
114 /* Setup and issue mailbox READ REV command */
115 lpfc_read_rev(phba
, pmb
);
116 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
117 if (rc
!= MBX_SUCCESS
) {
118 lpfc_printf_log(phba
,
121 "%d:0439 Adapter failed to init, mbxCmd x%x "
122 "READ_REV, mbxStatus x%x\n",
124 mb
->mbxCommand
, mb
->mbxStatus
);
125 mempool_free( pmb
, phba
->mbox_mem_pool
);
130 * The value of rr must be 1 since the driver set the cv field to 1.
131 * This setting requires the FW to set all revision fields.
133 if (mb
->un
.varRdRev
.rr
== 0) {
135 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
136 "%d:0440 Adapter failed to init, READ_REV has "
137 "missing revision information.\n",
139 mempool_free(pmb
, phba
->mbox_mem_pool
);
143 /* Save information as VPD data */
145 vp
->rev
.sli1FwRev
= mb
->un
.varRdRev
.sli1FwRev
;
146 memcpy(vp
->rev
.sli1FwName
, (char*) mb
->un
.varRdRev
.sli1FwName
, 16);
147 vp
->rev
.sli2FwRev
= mb
->un
.varRdRev
.sli2FwRev
;
148 memcpy(vp
->rev
.sli2FwName
, (char *) mb
->un
.varRdRev
.sli2FwName
, 16);
149 vp
->rev
.biuRev
= mb
->un
.varRdRev
.biuRev
;
150 vp
->rev
.smRev
= mb
->un
.varRdRev
.smRev
;
151 vp
->rev
.smFwRev
= mb
->un
.varRdRev
.un
.smFwRev
;
152 vp
->rev
.endecRev
= mb
->un
.varRdRev
.endecRev
;
153 vp
->rev
.fcphHigh
= mb
->un
.varRdRev
.fcphHigh
;
154 vp
->rev
.fcphLow
= mb
->un
.varRdRev
.fcphLow
;
155 vp
->rev
.feaLevelHigh
= mb
->un
.varRdRev
.feaLevelHigh
;
156 vp
->rev
.feaLevelLow
= mb
->un
.varRdRev
.feaLevelLow
;
157 vp
->rev
.postKernRev
= mb
->un
.varRdRev
.postKernRev
;
158 vp
->rev
.opFwRev
= mb
->un
.varRdRev
.opFwRev
;
160 if (lpfc_is_LC_HBA(phba
->pcidev
->device
))
161 memcpy(phba
->RandomData
, (char *)&mb
->un
.varWords
[24],
162 sizeof (phba
->RandomData
));
164 /* Get adapter VPD information */
165 pmb
->context2
= kmalloc(DMP_RSP_SIZE
, GFP_KERNEL
);
168 lpfc_vpd_data
= kmalloc(DMP_VPD_SIZE
, GFP_KERNEL
);
170 goto out_free_context2
;
173 lpfc_dump_mem(phba
, pmb
, offset
);
174 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
176 if (rc
!= MBX_SUCCESS
) {
177 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
178 "%d:0441 VPD not present on adapter, "
179 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
181 mb
->mbxCommand
, mb
->mbxStatus
);
182 mb
->un
.varDmp
.word_cnt
= 0;
184 if (mb
->un
.varDmp
.word_cnt
> DMP_VPD_SIZE
- offset
)
185 mb
->un
.varDmp
.word_cnt
= DMP_VPD_SIZE
- offset
;
186 lpfc_sli_pcimem_bcopy(pmb
->context2
, lpfc_vpd_data
+ offset
,
187 mb
->un
.varDmp
.word_cnt
);
188 offset
+= mb
->un
.varDmp
.word_cnt
;
189 } while (mb
->un
.varDmp
.word_cnt
&& offset
< DMP_VPD_SIZE
);
190 lpfc_parse_vpd(phba
, lpfc_vpd_data
, offset
);
192 kfree(lpfc_vpd_data
);
194 kfree(pmb
->context2
);
196 mempool_free(pmb
, phba
->mbox_mem_pool
);
200 /************************************************************************/
202 /* lpfc_config_port_post */
203 /* This routine will do LPFC initialization after the */
204 /* CONFIG_PORT mailbox command. This will be initialized */
205 /* as a SLI layer callback routine. */
206 /* This routine returns 0 on success. Any other return value */
207 /* indicates an error. */
209 /************************************************************************/
211 lpfc_config_port_post(struct lpfc_hba
* phba
)
215 struct lpfc_dmabuf
*mp
;
216 struct lpfc_sli
*psli
= &phba
->sli
;
217 uint32_t status
, timeout
;
220 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
222 phba
->hba_state
= LPFC_HBA_ERROR
;
227 lpfc_config_link(phba
, pmb
);
228 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
229 if (rc
!= MBX_SUCCESS
) {
230 lpfc_printf_log(phba
,
233 "%d:0447 Adapter failed init, mbxCmd x%x "
234 "CONFIG_LINK mbxStatus x%x\n",
236 mb
->mbxCommand
, mb
->mbxStatus
);
237 phba
->hba_state
= LPFC_HBA_ERROR
;
238 mempool_free( pmb
, phba
->mbox_mem_pool
);
242 /* Get login parameters for NID. */
243 lpfc_read_sparam(phba
, pmb
);
244 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
245 lpfc_printf_log(phba
,
248 "%d:0448 Adapter failed init, mbxCmd x%x "
249 "READ_SPARM mbxStatus x%x\n",
251 mb
->mbxCommand
, mb
->mbxStatus
);
252 phba
->hba_state
= LPFC_HBA_ERROR
;
253 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
254 mempool_free( pmb
, phba
->mbox_mem_pool
);
255 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
260 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
262 memcpy(&phba
->fc_sparam
, mp
->virt
, sizeof (struct serv_parm
));
263 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
265 pmb
->context1
= NULL
;
267 memcpy(&phba
->fc_nodename
, &phba
->fc_sparam
.nodeName
,
268 sizeof (struct lpfc_name
));
269 memcpy(&phba
->fc_portname
, &phba
->fc_sparam
.portName
,
270 sizeof (struct lpfc_name
));
271 /* If no serial number in VPD data, use low 6 bytes of WWNN */
272 /* This should be consolidated into parse_vpd ? - mr */
273 if (phba
->SerialNumber
[0] == 0) {
276 outptr
= &phba
->fc_nodename
.u
.s
.IEEE
[0];
277 for (i
= 0; i
< 12; i
++) {
279 j
= ((status
& 0xf0) >> 4);
281 phba
->SerialNumber
[i
] =
282 (char)((uint8_t) 0x30 + (uint8_t) j
);
284 phba
->SerialNumber
[i
] =
285 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
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 lpfc_read_config(phba
, pmb
);
298 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
299 lpfc_printf_log(phba
,
302 "%d:0453 Adapter failed to init, mbxCmd x%x "
303 "READ_CONFIG, mbxStatus x%x\n",
305 mb
->mbxCommand
, mb
->mbxStatus
);
306 phba
->hba_state
= LPFC_HBA_ERROR
;
307 mempool_free( pmb
, phba
->mbox_mem_pool
);
311 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
312 if (phba
->cfg_hba_queue_depth
> (mb
->un
.varRdConfig
.max_xri
+1))
313 phba
->cfg_hba_queue_depth
=
314 mb
->un
.varRdConfig
.max_xri
+ 1;
316 phba
->lmt
= mb
->un
.varRdConfig
.lmt
;
318 /* Get the default values for Model Name and Description */
319 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
321 if ((phba
->cfg_link_speed
> LINK_SPEED_10G
)
322 || ((phba
->cfg_link_speed
== LINK_SPEED_1G
)
323 && !(phba
->lmt
& LMT_1Gb
))
324 || ((phba
->cfg_link_speed
== LINK_SPEED_2G
)
325 && !(phba
->lmt
& LMT_2Gb
))
326 || ((phba
->cfg_link_speed
== LINK_SPEED_4G
)
327 && !(phba
->lmt
& LMT_4Gb
))
328 || ((phba
->cfg_link_speed
== LINK_SPEED_8G
)
329 && !(phba
->lmt
& LMT_8Gb
))
330 || ((phba
->cfg_link_speed
== LINK_SPEED_10G
)
331 && !(phba
->lmt
& LMT_10Gb
))) {
332 /* Reset link speed to auto */
333 lpfc_printf_log(phba
,
336 "%d:1302 Invalid speed for this board: "
337 "Reset link speed to auto: x%x\n",
339 phba
->cfg_link_speed
);
340 phba
->cfg_link_speed
= LINK_SPEED_AUTO
;
343 phba
->hba_state
= LPFC_LINK_DOWN
;
345 /* Only process IOCBs on ring 0 till hba_state is READY */
346 if (psli
->ring
[psli
->ip_ring
].cmdringaddr
)
347 psli
->ring
[psli
->ip_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
348 if (psli
->ring
[psli
->fcp_ring
].cmdringaddr
)
349 psli
->ring
[psli
->fcp_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
350 if (psli
->ring
[psli
->next_ring
].cmdringaddr
)
351 psli
->ring
[psli
->next_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
353 /* Post receive buffers for desired rings */
354 lpfc_post_rcv_buf(phba
);
356 /* Enable appropriate host interrupts */
357 spin_lock_irq(phba
->host
->host_lock
);
358 status
= readl(phba
->HCregaddr
);
359 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
360 if (psli
->num_rings
> 0)
361 status
|= HC_R0INT_ENA
;
362 if (psli
->num_rings
> 1)
363 status
|= HC_R1INT_ENA
;
364 if (psli
->num_rings
> 2)
365 status
|= HC_R2INT_ENA
;
366 if (psli
->num_rings
> 3)
367 status
|= HC_R3INT_ENA
;
369 if ((phba
->cfg_poll
& ENABLE_FCP_RING_POLLING
) &&
370 (phba
->cfg_poll
& DISABLE_FCP_RING_INT
))
371 status
&= ~(HC_R0INT_ENA
<< LPFC_FCP_RING
);
373 writel(status
, phba
->HCregaddr
);
374 readl(phba
->HCregaddr
); /* flush */
375 spin_unlock_irq(phba
->host
->host_lock
);
378 * Setup the ring 0 (els) timeout handler
380 timeout
= phba
->fc_ratov
<< 1;
381 phba
->els_tmofunc
.expires
= jiffies
+ HZ
* timeout
;
382 add_timer(&phba
->els_tmofunc
);
384 lpfc_init_link(phba
, pmb
, phba
->cfg_topology
, phba
->cfg_link_speed
);
385 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
386 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
) != MBX_SUCCESS
) {
387 lpfc_printf_log(phba
,
390 "%d:0454 Adapter failed to init, mbxCmd x%x "
391 "INIT_LINK, mbxStatus x%x\n",
393 mb
->mbxCommand
, mb
->mbxStatus
);
395 /* Clear all interrupt enable conditions */
396 writel(0, phba
->HCregaddr
);
397 readl(phba
->HCregaddr
); /* flush */
398 /* Clear all pending interrupts */
399 writel(0xffffffff, phba
->HAregaddr
);
400 readl(phba
->HAregaddr
); /* flush */
402 phba
->hba_state
= LPFC_HBA_ERROR
;
403 mempool_free(pmb
, phba
->mbox_mem_pool
);
406 /* MBOX buffer will be freed in mbox compl */
409 while ((phba
->hba_state
!= LPFC_HBA_READY
) ||
410 (phba
->num_disc_nodes
) || (phba
->fc_prli_sent
) ||
411 ((phba
->fc_map_cnt
== 0) && (i
<2)) ||
412 (psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
)) {
413 /* Check every second for 30 retries. */
418 if ((i
>= 15) && (phba
->hba_state
<= LPFC_LINK_DOWN
)) {
419 /* The link is down. Set linkdown timeout */
423 /* Delay for 1 second to give discovery time to complete. */
428 /* Since num_disc_nodes keys off of PLOGI, delay a bit to let
429 * any potential PRLIs to flush thru the SLI sub-system.
436 /************************************************************************/
438 /* lpfc_hba_down_prep */
439 /* This routine will do LPFC uninitialization before the */
440 /* HBA is reset when bringing down the SLI Layer. This will be */
441 /* initialized as a SLI layer callback routine. */
442 /* This routine returns 0 on success. Any other return value */
443 /* indicates an error. */
445 /************************************************************************/
447 lpfc_hba_down_prep(struct lpfc_hba
* phba
)
449 /* Disable interrupts */
450 writel(0, phba
->HCregaddr
);
451 readl(phba
->HCregaddr
); /* flush */
453 /* Cleanup potential discovery resources */
454 lpfc_els_flush_rscn(phba
);
455 lpfc_els_flush_cmd(phba
);
456 lpfc_disc_flush_list(phba
);
461 /************************************************************************/
463 /* lpfc_hba_down_post */
464 /* This routine will do uninitialization after the HBA is reset */
465 /* when bringing down the SLI Layer. */
466 /* This routine returns 0 on success. Any other return value */
467 /* indicates an error. */
469 /************************************************************************/
471 lpfc_hba_down_post(struct lpfc_hba
* phba
)
473 struct lpfc_sli
*psli
= &phba
->sli
;
474 struct lpfc_sli_ring
*pring
;
475 struct lpfc_dmabuf
*mp
, *next_mp
;
478 /* Cleanup preposted buffers on the ELS ring */
479 pring
= &psli
->ring
[LPFC_ELS_RING
];
480 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
482 pring
->postbufq_cnt
--;
483 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
487 for (i
= 0; i
< psli
->num_rings
; i
++) {
488 pring
= &psli
->ring
[i
];
489 lpfc_sli_abort_iocb_ring(phba
, pring
);
495 /************************************************************************/
497 /* lpfc_handle_eratt */
498 /* This routine will handle processing a Host Attention */
499 /* Error Status event. This will be initialized */
500 /* as a SLI layer callback routine. */
502 /************************************************************************/
504 lpfc_handle_eratt(struct lpfc_hba
* phba
)
506 struct lpfc_sli
*psli
= &phba
->sli
;
507 struct lpfc_sli_ring
*pring
;
509 if (phba
->work_hs
& HS_FFER6
) {
510 /* Re-establishing Link */
511 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
512 "%d:1301 Re-establishing Link "
513 "Data: x%x x%x x%x\n",
514 phba
->brd_no
, phba
->work_hs
,
515 phba
->work_status
[0], phba
->work_status
[1]);
516 spin_lock_irq(phba
->host
->host_lock
);
517 phba
->fc_flag
|= FC_ESTABLISH_LINK
;
518 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
519 spin_unlock_irq(phba
->host
->host_lock
);
522 * Firmware stops when it triggled erratt with HS_FFER6.
523 * That could cause the I/Os dropped by the firmware.
524 * Error iocb (I/O) on txcmplq and let the SCSI layer
525 * retry it after re-establishing link.
527 pring
= &psli
->ring
[psli
->fcp_ring
];
528 lpfc_sli_abort_iocb_ring(phba
, pring
);
532 * There was a firmware error. Take the hba offline and then
533 * attempt to restart it.
536 lpfc_sli_brdrestart(phba
);
537 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
538 mod_timer(&phba
->fc_estabtmo
, jiffies
+ HZ
* 60);
542 /* The if clause above forces this code path when the status
543 * failure is a value other than FFER6. Do not call the offline
544 * twice. This is the adapter hardware error path.
546 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
547 "%d:0457 Adapter Hardware Error "
548 "Data: x%x x%x x%x\n",
549 phba
->brd_no
, phba
->work_hs
,
550 phba
->work_status
[0], phba
->work_status
[1]);
552 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
554 phba
->hba_state
= LPFC_HBA_ERROR
;
555 lpfc_hba_down_post(phba
);
559 /************************************************************************/
561 /* lpfc_handle_latt */
562 /* This routine will handle processing a Host Attention */
563 /* Link Status event. This will be initialized */
564 /* as a SLI layer callback routine. */
566 /************************************************************************/
568 lpfc_handle_latt(struct lpfc_hba
* phba
)
570 struct lpfc_sli
*psli
= &phba
->sli
;
572 volatile uint32_t control
;
573 struct lpfc_dmabuf
*mp
;
576 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
578 goto lpfc_handle_latt_err_exit
;
580 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
582 goto lpfc_handle_latt_free_pmb
;
584 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
586 goto lpfc_handle_latt_free_mp
;
590 /* Cleanup any outstanding ELS commands */
591 lpfc_els_flush_cmd(phba
);
593 psli
->slistat
.link_event
++;
594 lpfc_read_la(phba
, pmb
, mp
);
595 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_la
;
596 rc
= lpfc_sli_issue_mbox (phba
, pmb
, (MBX_NOWAIT
| MBX_STOP_IOCB
));
597 if (rc
== MBX_NOT_FINISHED
)
598 goto lpfc_handle_latt_free_mp
;
600 /* Clear Link Attention in HA REG */
601 spin_lock_irq(phba
->host
->host_lock
);
602 writel(HA_LATT
, phba
->HAregaddr
);
603 readl(phba
->HAregaddr
); /* flush */
604 spin_unlock_irq(phba
->host
->host_lock
);
608 lpfc_handle_latt_free_mp
:
610 lpfc_handle_latt_free_pmb
:
612 lpfc_handle_latt_err_exit
:
613 /* Enable Link attention interrupts */
614 spin_lock_irq(phba
->host
->host_lock
);
615 psli
->sli_flag
|= LPFC_PROCESS_LA
;
616 control
= readl(phba
->HCregaddr
);
617 control
|= HC_LAINT_ENA
;
618 writel(control
, phba
->HCregaddr
);
619 readl(phba
->HCregaddr
); /* flush */
621 /* Clear Link Attention in HA REG */
622 writel(HA_LATT
, phba
->HAregaddr
);
623 readl(phba
->HAregaddr
); /* flush */
624 spin_unlock_irq(phba
->host
->host_lock
);
626 phba
->hba_state
= LPFC_HBA_ERROR
;
628 /* The other case is an error from issue_mbox */
630 lpfc_printf_log(phba
,
633 "%d:0300 READ_LA: no buffers\n",
639 /************************************************************************/
642 /* This routine will parse the VPD data */
644 /************************************************************************/
646 lpfc_parse_vpd(struct lpfc_hba
* phba
, uint8_t * vpd
, int len
)
648 uint8_t lenlo
, lenhi
;
658 lpfc_printf_log(phba
,
661 "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
663 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
665 while (!finished
&& (index
< (len
- 4))) {
666 switch (vpd
[index
]) {
674 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
683 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
684 if (Length
> len
- index
)
685 Length
= len
- index
;
687 /* Look for Serial Number */
688 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
695 phba
->SerialNumber
[j
++] = vpd
[index
++];
699 phba
->SerialNumber
[j
] = 0;
702 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
703 phba
->vpd_flag
|= VPD_MODEL_DESC
;
710 phba
->ModelDesc
[j
++] = vpd
[index
++];
714 phba
->ModelDesc
[j
] = 0;
717 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
718 phba
->vpd_flag
|= VPD_MODEL_NAME
;
725 phba
->ModelName
[j
++] = vpd
[index
++];
729 phba
->ModelName
[j
] = 0;
732 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
733 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
740 phba
->ProgramType
[j
++] = vpd
[index
++];
744 phba
->ProgramType
[j
] = 0;
747 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
748 phba
->vpd_flag
|= VPD_PORT
;
755 phba
->Port
[j
++] = vpd
[index
++];
785 lpfc_get_hba_model_desc(struct lpfc_hba
* phba
, uint8_t * mdp
, uint8_t * descp
)
788 uint16_t dev_id
= phba
->pcidev
->device
;
789 uint16_t dev_subid
= phba
->pcidev
->subsystem_device
;
798 } m
= {"<Unknown>", 0, "", ""};
800 pci_read_config_byte(phba
->pcidev
, PCI_HEADER_TYPE
, &hdrtype
);
801 ports
= (hdrtype
== 0x80) ? "2-port " : "";
802 if (mdp
&& mdp
[0] != '\0'
803 && descp
&& descp
[0] != '\0')
806 if (phba
->lmt
& LMT_10Gb
)
808 else if (phba
->lmt
& LMT_8Gb
)
810 else if (phba
->lmt
& LMT_4Gb
)
812 else if (phba
->lmt
& LMT_2Gb
)
820 case PCI_DEVICE_ID_FIREFLY
:
821 m
= (typeof(m
)){"LP6000", max_speed
, "", "PCI"};
823 case PCI_DEVICE_ID_SUPERFLY
:
824 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
825 m
= (typeof(m
)){"LP7000", max_speed
, "", "PCI"};
827 m
= (typeof(m
)){"LP7000E", max_speed
, "", "PCI"};
829 case PCI_DEVICE_ID_DRAGONFLY
:
830 m
= (typeof(m
)){"LP8000", max_speed
, "", "PCI"};
832 case PCI_DEVICE_ID_CENTAUR
:
833 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
834 m
= (typeof(m
)){"LP9002", max_speed
, "", "PCI"};
836 m
= (typeof(m
)){"LP9000", max_speed
, "", "PCI"};
838 case PCI_DEVICE_ID_RFLY
:
839 m
= (typeof(m
)){"LP952", max_speed
, "", "PCI"};
841 case PCI_DEVICE_ID_PEGASUS
:
842 m
= (typeof(m
)){"LP9802", max_speed
, "", "PCI-X"};
844 case PCI_DEVICE_ID_THOR
:
846 m
= (typeof(m
)){"LP10000DC",
847 max_speed
, ports
, "PCI-X"};
849 m
= (typeof(m
)){"LP10000",
850 max_speed
, ports
, "PCI-X"};
852 case PCI_DEVICE_ID_VIPER
:
853 m
= (typeof(m
)){"LPX1000", max_speed
, "", "PCI-X"};
855 case PCI_DEVICE_ID_PFLY
:
856 m
= (typeof(m
)){"LP982", max_speed
, "", "PCI-X"};
858 case PCI_DEVICE_ID_TFLY
:
860 m
= (typeof(m
)){"LP1050DC", max_speed
, ports
, "PCI-X"};
862 m
= (typeof(m
)){"LP1050", max_speed
, ports
, "PCI-X"};
864 case PCI_DEVICE_ID_HELIOS
:
866 m
= (typeof(m
)){"LP11002", max_speed
, ports
, "PCI-X2"};
868 m
= (typeof(m
)){"LP11000", max_speed
, ports
, "PCI-X2"};
870 case PCI_DEVICE_ID_HELIOS_SCSP
:
871 m
= (typeof(m
)){"LP11000-SP", max_speed
, ports
, "PCI-X2"};
873 case PCI_DEVICE_ID_HELIOS_DCSP
:
874 m
= (typeof(m
)){"LP11002-SP", max_speed
, ports
, "PCI-X2"};
876 case PCI_DEVICE_ID_NEPTUNE
:
878 m
= (typeof(m
)){"LPe1002", max_speed
, ports
, "PCIe"};
880 m
= (typeof(m
)){"LPe1000", max_speed
, ports
, "PCIe"};
882 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
883 m
= (typeof(m
)){"LPe1000-SP", max_speed
, ports
, "PCIe"};
885 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
886 m
= (typeof(m
)){"LPe1002-SP", max_speed
, ports
, "PCIe"};
888 case PCI_DEVICE_ID_BMID
:
889 m
= (typeof(m
)){"LP1150", max_speed
, ports
, "PCI-X2"};
891 case PCI_DEVICE_ID_BSMB
:
892 m
= (typeof(m
)){"LP111", max_speed
, ports
, "PCI-X2"};
894 case PCI_DEVICE_ID_ZEPHYR
:
896 m
= (typeof(m
)){"LPe11002", max_speed
, ports
, "PCIe"};
898 m
= (typeof(m
)){"LPe11000", max_speed
, ports
, "PCIe"};
900 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
901 m
= (typeof(m
)){"LPe11000", max_speed
, ports
, "PCIe"};
903 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
904 m
= (typeof(m
)){"LPe11002-SP", max_speed
, ports
, "PCIe"};
906 case PCI_DEVICE_ID_ZMID
:
907 m
= (typeof(m
)){"LPe1150", max_speed
, ports
, "PCIe"};
909 case PCI_DEVICE_ID_ZSMB
:
910 m
= (typeof(m
)){"LPe111", max_speed
, ports
, "PCIe"};
912 case PCI_DEVICE_ID_LP101
:
913 m
= (typeof(m
)){"LP101", max_speed
, ports
, "PCI-X"};
915 case PCI_DEVICE_ID_LP10000S
:
916 m
= (typeof(m
)){"LP10000-S", max_speed
, ports
, "PCI"};
918 case PCI_DEVICE_ID_LP11000S
:
919 case PCI_DEVICE_ID_LPE11000S
:
921 case PCI_SUBSYSTEM_ID_LP11000S
:
922 m
= (typeof(m
)){"LP11000-S", max_speed
,
925 case PCI_SUBSYSTEM_ID_LP11002S
:
926 m
= (typeof(m
)){"LP11002-S", max_speed
,
929 case PCI_SUBSYSTEM_ID_LPE11000S
:
930 m
= (typeof(m
)){"LPe11000-S", max_speed
,
933 case PCI_SUBSYSTEM_ID_LPE11002S
:
934 m
= (typeof(m
)){"LPe11002-S", max_speed
,
937 case PCI_SUBSYSTEM_ID_LPE11010S
:
938 m
= (typeof(m
)){"LPe11010-S", max_speed
,
942 m
= (typeof(m
)){ 0 };
947 m
= (typeof(m
)){ 0 };
951 if (mdp
&& mdp
[0] == '\0')
952 snprintf(mdp
, 79,"%s", m
.name
);
953 if (descp
&& descp
[0] == '\0')
955 "Emulex %s %dGb %s%s Fibre Channel Adapter",
956 m
.name
, m
.max_speed
, m
.ports
, m
.bus
);
959 /**************************************************/
960 /* lpfc_post_buffer */
962 /* This routine will post count buffers to the */
963 /* ring with the QUE_RING_BUF_CN command. This */
964 /* allows 3 buffers / command to be posted. */
965 /* Returns the number of buffers NOT posted. */
966 /**************************************************/
968 lpfc_post_buffer(struct lpfc_hba
* phba
, struct lpfc_sli_ring
* pring
, int cnt
,
972 struct lpfc_iocbq
*iocb
;
973 struct lpfc_dmabuf
*mp1
, *mp2
;
975 cnt
+= pring
->missbufcnt
;
977 /* While there are buffers to post */
979 /* Allocate buffer for command iocb */
980 spin_lock_irq(phba
->host
->host_lock
);
981 iocb
= lpfc_sli_get_iocbq(phba
);
982 spin_unlock_irq(phba
->host
->host_lock
);
984 pring
->missbufcnt
= cnt
;
989 /* 2 buffers can be posted per command */
990 /* Allocate buffer to post */
991 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
993 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
995 if (mp1
== 0 || mp1
->virt
== 0) {
997 spin_lock_irq(phba
->host
->host_lock
);
998 lpfc_sli_release_iocbq(phba
, iocb
);
999 spin_unlock_irq(phba
->host
->host_lock
);
1000 pring
->missbufcnt
= cnt
;
1004 INIT_LIST_HEAD(&mp1
->list
);
1005 /* Allocate buffer to post */
1007 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
1009 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
1011 if (mp2
== 0 || mp2
->virt
== 0) {
1013 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1015 spin_lock_irq(phba
->host
->host_lock
);
1016 lpfc_sli_release_iocbq(phba
, iocb
);
1017 spin_unlock_irq(phba
->host
->host_lock
);
1018 pring
->missbufcnt
= cnt
;
1022 INIT_LIST_HEAD(&mp2
->list
);
1027 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
1028 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
1029 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
1030 icmd
->ulpBdeCount
= 1;
1033 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
1034 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
1035 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
1037 icmd
->ulpBdeCount
= 2;
1040 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
1043 spin_lock_irq(phba
->host
->host_lock
);
1044 if (lpfc_sli_issue_iocb(phba
, pring
, iocb
, 0) == IOCB_ERROR
) {
1045 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1049 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
1053 lpfc_sli_release_iocbq(phba
, iocb
);
1054 pring
->missbufcnt
= cnt
;
1055 spin_unlock_irq(phba
->host
->host_lock
);
1058 spin_unlock_irq(phba
->host
->host_lock
);
1059 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
1061 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
1064 pring
->missbufcnt
= 0;
1068 /************************************************************************/
1070 /* lpfc_post_rcv_buf */
1071 /* This routine post initial rcv buffers to the configured rings */
1073 /************************************************************************/
1075 lpfc_post_rcv_buf(struct lpfc_hba
* phba
)
1077 struct lpfc_sli
*psli
= &phba
->sli
;
1079 /* Ring 0, ELS / CT buffers */
1080 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
, 1);
1081 /* Ring 2 - FCP no buffers needed */
1086 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1088 /************************************************************************/
1092 /************************************************************************/
1094 lpfc_sha_init(uint32_t * HashResultPointer
)
1096 HashResultPointer
[0] = 0x67452301;
1097 HashResultPointer
[1] = 0xEFCDAB89;
1098 HashResultPointer
[2] = 0x98BADCFE;
1099 HashResultPointer
[3] = 0x10325476;
1100 HashResultPointer
[4] = 0xC3D2E1F0;
1103 /************************************************************************/
1105 /* lpfc_sha_iterate */
1107 /************************************************************************/
1109 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
1113 uint32_t A
, B
, C
, D
, E
;
1116 HashWorkingPointer
[t
] =
1118 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
1120 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
1121 } while (++t
<= 79);
1123 A
= HashResultPointer
[0];
1124 B
= HashResultPointer
[1];
1125 C
= HashResultPointer
[2];
1126 D
= HashResultPointer
[3];
1127 E
= HashResultPointer
[4];
1131 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
1132 } else if (t
< 40) {
1133 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
1134 } else if (t
< 60) {
1135 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
1137 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
1139 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
1145 } while (++t
<= 79);
1147 HashResultPointer
[0] += A
;
1148 HashResultPointer
[1] += B
;
1149 HashResultPointer
[2] += C
;
1150 HashResultPointer
[3] += D
;
1151 HashResultPointer
[4] += E
;
1155 /************************************************************************/
1157 /* lpfc_challenge_key */
1159 /************************************************************************/
1161 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
1163 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
1166 /************************************************************************/
1170 /************************************************************************/
1172 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
1175 uint32_t *HashWorking
;
1176 uint32_t *pwwnn
= phba
->wwnn
;
1178 HashWorking
= kmalloc(80 * sizeof(uint32_t), GFP_KERNEL
);
1182 memset(HashWorking
, 0, (80 * sizeof(uint32_t)));
1183 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
1184 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
1186 for (t
= 0; t
< 7; t
++)
1187 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
1189 lpfc_sha_init(hbainit
);
1190 lpfc_sha_iterate(hbainit
, HashWorking
);
1195 lpfc_cleanup(struct lpfc_hba
* phba
, uint32_t save_bind
)
1197 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
1199 /* clean up phba - lpfc specific */
1200 lpfc_can_disctmo(phba
);
1201 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_nlpunmap_list
,
1203 lpfc_nlp_remove(phba
, ndlp
);
1206 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_nlpmap_list
,
1208 lpfc_nlp_remove(phba
, ndlp
);
1211 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_unused_list
,
1213 lpfc_nlp_list(phba
, ndlp
, NLP_NO_LIST
);
1216 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_plogi_list
,
1218 lpfc_nlp_remove(phba
, ndlp
);
1221 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_adisc_list
,
1223 lpfc_nlp_remove(phba
, ndlp
);
1226 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_reglogin_list
,
1228 lpfc_nlp_remove(phba
, ndlp
);
1231 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_prli_list
,
1233 lpfc_nlp_remove(phba
, ndlp
);
1236 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_npr_list
,
1238 lpfc_nlp_remove(phba
, ndlp
);
1241 INIT_LIST_HEAD(&phba
->fc_nlpmap_list
);
1242 INIT_LIST_HEAD(&phba
->fc_nlpunmap_list
);
1243 INIT_LIST_HEAD(&phba
->fc_unused_list
);
1244 INIT_LIST_HEAD(&phba
->fc_plogi_list
);
1245 INIT_LIST_HEAD(&phba
->fc_adisc_list
);
1246 INIT_LIST_HEAD(&phba
->fc_reglogin_list
);
1247 INIT_LIST_HEAD(&phba
->fc_prli_list
);
1248 INIT_LIST_HEAD(&phba
->fc_npr_list
);
1250 phba
->fc_map_cnt
= 0;
1251 phba
->fc_unmap_cnt
= 0;
1252 phba
->fc_plogi_cnt
= 0;
1253 phba
->fc_adisc_cnt
= 0;
1254 phba
->fc_reglogin_cnt
= 0;
1255 phba
->fc_prli_cnt
= 0;
1256 phba
->fc_npr_cnt
= 0;
1257 phba
->fc_unused_cnt
= 0;
1262 lpfc_establish_link_tmo(unsigned long ptr
)
1264 struct lpfc_hba
*phba
= (struct lpfc_hba
*)ptr
;
1265 unsigned long iflag
;
1268 /* Re-establishing Link, timer expired */
1269 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
1270 "%d:1300 Re-establishing Link, timer expired "
1272 phba
->brd_no
, phba
->fc_flag
, phba
->hba_state
);
1273 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
1274 phba
->fc_flag
&= ~FC_ESTABLISH_LINK
;
1275 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1279 lpfc_stop_timer(struct lpfc_hba
* phba
)
1281 struct lpfc_sli
*psli
= &phba
->sli
;
1283 /* Instead of a timer, this has been converted to a
1284 * deferred procedding list.
1286 while (!list_empty(&phba
->freebufList
)) {
1288 struct lpfc_dmabuf
*mp
= NULL
;
1290 list_remove_head((&phba
->freebufList
), mp
,
1291 struct lpfc_dmabuf
, list
);
1293 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1298 del_timer_sync(&phba
->fcp_poll_timer
);
1299 del_timer_sync(&phba
->fc_estabtmo
);
1300 del_timer_sync(&phba
->fc_disctmo
);
1301 del_timer_sync(&phba
->fc_fdmitmo
);
1302 del_timer_sync(&phba
->els_tmofunc
);
1304 del_timer_sync(&psli
->mbox_tmo
);
1309 lpfc_online(struct lpfc_hba
* phba
)
1314 if (!(phba
->fc_flag
& FC_OFFLINE_MODE
))
1317 lpfc_printf_log(phba
,
1320 "%d:0458 Bring Adapter online\n",
1323 if (!lpfc_sli_queue_setup(phba
))
1326 if (lpfc_sli_hba_setup(phba
)) /* Initialize the HBA */
1329 spin_lock_irq(phba
->host
->host_lock
);
1330 phba
->fc_flag
&= ~FC_OFFLINE_MODE
;
1331 spin_unlock_irq(phba
->host
->host_lock
);
1337 lpfc_offline(struct lpfc_hba
* phba
)
1339 struct lpfc_sli_ring
*pring
;
1340 struct lpfc_sli
*psli
;
1341 unsigned long iflag
;
1347 if (phba
->fc_flag
& FC_OFFLINE_MODE
)
1351 pring
= &psli
->ring
[psli
->fcp_ring
];
1353 lpfc_linkdown(phba
);
1355 /* The linkdown event takes 30 seconds to timeout. */
1356 while (pring
->txcmplq_cnt
) {
1362 /* stop all timers associated with this hba */
1363 lpfc_stop_timer(phba
);
1364 phba
->work_hba_events
= 0;
1366 lpfc_printf_log(phba
,
1369 "%d:0460 Bring Adapter offline\n",
1372 /* Bring down the SLI Layer and cleanup. The HBA is offline
1374 lpfc_sli_hba_down(phba
);
1375 lpfc_cleanup(phba
, 1);
1376 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
1377 phba
->fc_flag
|= FC_OFFLINE_MODE
;
1378 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1382 /******************************************************************************
1383 * Function name: lpfc_scsi_free
1385 * Description: Called from lpfc_pci_remove_one free internal driver resources
1387 ******************************************************************************/
1389 lpfc_scsi_free(struct lpfc_hba
* phba
)
1391 struct lpfc_scsi_buf
*sb
, *sb_next
;
1392 struct lpfc_iocbq
*io
, *io_next
;
1394 spin_lock_irq(phba
->host
->host_lock
);
1395 /* Release all the lpfc_scsi_bufs maintained by this host. */
1396 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
) {
1397 list_del(&sb
->list
);
1398 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
1401 phba
->total_scsi_bufs
--;
1404 /* Release all the lpfc_iocbq entries maintained by this host. */
1405 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
1406 list_del(&io
->list
);
1408 phba
->total_iocbq_bufs
--;
1411 spin_unlock_irq(phba
->host
->host_lock
);
1417 static int __devinit
1418 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
1420 struct Scsi_Host
*host
;
1421 struct lpfc_hba
*phba
;
1422 struct lpfc_sli
*psli
;
1423 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
1424 unsigned long bar0map_len
, bar2map_len
;
1425 int error
= -ENODEV
, retval
;
1429 if (pci_enable_device(pdev
))
1431 if (pci_request_regions(pdev
, LPFC_DRIVER_NAME
))
1432 goto out_disable_device
;
1434 host
= scsi_host_alloc(&lpfc_template
, sizeof (struct lpfc_hba
));
1436 goto out_release_regions
;
1438 phba
= (struct lpfc_hba
*)host
->hostdata
;
1439 memset(phba
, 0, sizeof (struct lpfc_hba
));
1442 phba
->fc_flag
|= FC_LOADING
;
1443 phba
->pcidev
= pdev
;
1445 /* Assign an unused board number */
1446 if (!idr_pre_get(&lpfc_hba_index
, GFP_KERNEL
))
1449 error
= idr_get_new(&lpfc_hba_index
, NULL
, &phba
->brd_no
);
1453 host
->unique_id
= phba
->brd_no
;
1454 init_MUTEX(&phba
->hba_can_block
);
1455 INIT_LIST_HEAD(&phba
->ctrspbuflist
);
1456 INIT_LIST_HEAD(&phba
->rnidrspbuflist
);
1457 INIT_LIST_HEAD(&phba
->freebufList
);
1459 /* Initialize timers used by driver */
1460 init_timer(&phba
->fc_estabtmo
);
1461 phba
->fc_estabtmo
.function
= lpfc_establish_link_tmo
;
1462 phba
->fc_estabtmo
.data
= (unsigned long)phba
;
1463 init_timer(&phba
->fc_disctmo
);
1464 phba
->fc_disctmo
.function
= lpfc_disc_timeout
;
1465 phba
->fc_disctmo
.data
= (unsigned long)phba
;
1467 init_timer(&phba
->fc_fdmitmo
);
1468 phba
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
1469 phba
->fc_fdmitmo
.data
= (unsigned long)phba
;
1470 init_timer(&phba
->els_tmofunc
);
1471 phba
->els_tmofunc
.function
= lpfc_els_timeout
;
1472 phba
->els_tmofunc
.data
= (unsigned long)phba
;
1474 init_timer(&psli
->mbox_tmo
);
1475 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
1476 psli
->mbox_tmo
.data
= (unsigned long)phba
;
1478 init_timer(&phba
->fcp_poll_timer
);
1479 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
1480 phba
->fcp_poll_timer
.data
= (unsigned long)phba
;
1483 * Get all the module params for configuring this host and then
1484 * establish the host parameters.
1486 lpfc_get_cfgparam(phba
);
1488 host
->max_id
= LPFC_MAX_TARGET
;
1489 host
->max_lun
= phba
->cfg_max_luns
;
1492 /* Initialize all internally managed lists. */
1493 INIT_LIST_HEAD(&phba
->fc_nlpmap_list
);
1494 INIT_LIST_HEAD(&phba
->fc_nlpunmap_list
);
1495 INIT_LIST_HEAD(&phba
->fc_unused_list
);
1496 INIT_LIST_HEAD(&phba
->fc_plogi_list
);
1497 INIT_LIST_HEAD(&phba
->fc_adisc_list
);
1498 INIT_LIST_HEAD(&phba
->fc_reglogin_list
);
1499 INIT_LIST_HEAD(&phba
->fc_prli_list
);
1500 INIT_LIST_HEAD(&phba
->fc_npr_list
);
1503 pci_set_master(pdev
);
1504 retval
= pci_set_mwi(pdev
);
1506 dev_printk(KERN_WARNING
, &pdev
->dev
,
1507 "Warning: pci_set_mwi returned %d\n", retval
);
1509 if (pci_set_dma_mask(phba
->pcidev
, DMA_64BIT_MASK
) != 0)
1510 if (pci_set_dma_mask(phba
->pcidev
, DMA_32BIT_MASK
) != 0)
1511 goto out_idr_remove
;
1514 * Get the bus address of Bar0 and Bar2 and the number of bytes
1515 * required by each mapping.
1517 phba
->pci_bar0_map
= pci_resource_start(phba
->pcidev
, 0);
1518 bar0map_len
= pci_resource_len(phba
->pcidev
, 0);
1520 phba
->pci_bar2_map
= pci_resource_start(phba
->pcidev
, 2);
1521 bar2map_len
= pci_resource_len(phba
->pcidev
, 2);
1523 /* Map HBA SLIM to a kernel virtual address. */
1524 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
1525 if (!phba
->slim_memmap_p
) {
1527 dev_printk(KERN_ERR
, &pdev
->dev
,
1528 "ioremap failed for SLIM memory.\n");
1529 goto out_idr_remove
;
1532 /* Map HBA Control Registers to a kernel virtual address. */
1533 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
1534 if (!phba
->ctrl_regs_memmap_p
) {
1536 dev_printk(KERN_ERR
, &pdev
->dev
,
1537 "ioremap failed for HBA control registers.\n");
1538 goto out_iounmap_slim
;
1541 /* Allocate memory for SLI-2 structures */
1542 phba
->slim2p
= dma_alloc_coherent(&phba
->pcidev
->dev
, SLI2_SLIM_SIZE
,
1543 &phba
->slim2p_mapping
, GFP_KERNEL
);
1547 memset(phba
->slim2p
, 0, SLI2_SLIM_SIZE
);
1549 /* Initialize the SLI Layer to run with lpfc HBAs. */
1550 lpfc_sli_setup(phba
);
1551 lpfc_sli_queue_setup(phba
);
1553 error
= lpfc_mem_alloc(phba
);
1557 /* Initialize and populate the iocb list per host. */
1558 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
1559 for (i
= 0; i
< LPFC_IOCB_LIST_CNT
; i
++) {
1560 iocbq_entry
= kmalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
1561 if (iocbq_entry
== NULL
) {
1562 printk(KERN_ERR
"%s: only allocated %d iocbs of "
1563 "expected %d count. Unloading driver.\n",
1564 __FUNCTION__
, i
, LPFC_IOCB_LIST_CNT
);
1566 goto out_free_iocbq
;
1569 memset(iocbq_entry
, 0, sizeof(struct lpfc_iocbq
));
1570 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
1572 kfree (iocbq_entry
);
1573 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
1574 "Unloading driver.\n",
1577 goto out_free_iocbq
;
1579 spin_lock_irq(phba
->host
->host_lock
);
1580 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
1581 phba
->total_iocbq_bufs
++;
1582 spin_unlock_irq(phba
->host
->host_lock
);
1585 /* Initialize HBA structure */
1586 phba
->fc_edtov
= FF_DEF_EDTOV
;
1587 phba
->fc_ratov
= FF_DEF_RATOV
;
1588 phba
->fc_altov
= FF_DEF_ALTOV
;
1589 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
1591 INIT_LIST_HEAD(&phba
->work_list
);
1592 phba
->work_ha_mask
= (HA_ERATT
|HA_MBATT
|HA_LATT
);
1593 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
1595 /* Startup the kernel thread for this host adapter. */
1596 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
1597 "lpfc_worker_%d", phba
->brd_no
);
1598 if (IS_ERR(phba
->worker_thread
)) {
1599 error
= PTR_ERR(phba
->worker_thread
);
1600 goto out_free_iocbq
;
1603 /* We can rely on a queue depth attribute only after SLI HBA setup */
1604 host
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
1606 /* Tell the midlayer we support 16 byte commands */
1607 host
->max_cmd_len
= 16;
1609 /* Initialize the list of scsi buffers used by driver for scsi IO. */
1610 spin_lock_init(&phba
->scsi_buf_list_lock
);
1611 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list
);
1613 host
->transportt
= lpfc_transport_template
;
1614 pci_set_drvdata(pdev
, host
);
1615 error
= scsi_add_host(host
, &pdev
->dev
);
1617 goto out_kthread_stop
;
1619 error
= lpfc_alloc_sysfs_attr(phba
);
1621 goto out_remove_host
;
1623 error
= request_irq(phba
->pcidev
->irq
, lpfc_intr_handler
, SA_SHIRQ
,
1624 LPFC_DRIVER_NAME
, phba
);
1626 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1627 "%d:0451 Enable interrupt handler failed\n",
1629 goto out_free_sysfs_attr
;
1631 phba
->MBslimaddr
= phba
->slim_memmap_p
;
1632 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
1633 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
1634 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
1635 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
1637 error
= lpfc_sli_hba_setup(phba
);
1643 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
1644 spin_lock_irq(phba
->host
->host_lock
);
1645 lpfc_poll_start_timer(phba
);
1646 spin_unlock_irq(phba
->host
->host_lock
);
1650 * set fixed host attributes
1651 * Must done after lpfc_sli_hba_setup()
1654 fc_host_node_name(host
) = wwn_to_u64(phba
->fc_nodename
.u
.wwn
);
1655 fc_host_port_name(host
) = wwn_to_u64(phba
->fc_portname
.u
.wwn
);
1656 fc_host_supported_classes(host
) = FC_COS_CLASS3
;
1658 memset(fc_host_supported_fc4s(host
), 0,
1659 sizeof(fc_host_supported_fc4s(host
)));
1660 fc_host_supported_fc4s(host
)[2] = 1;
1661 fc_host_supported_fc4s(host
)[7] = 1;
1663 lpfc_get_hba_sym_node_name(phba
, fc_host_symbolic_name(host
));
1665 fc_host_supported_speeds(host
) = 0;
1666 if (phba
->lmt
& LMT_10Gb
)
1667 fc_host_supported_speeds(host
) |= FC_PORTSPEED_10GBIT
;
1668 if (phba
->lmt
& LMT_4Gb
)
1669 fc_host_supported_speeds(host
) |= FC_PORTSPEED_4GBIT
;
1670 if (phba
->lmt
& LMT_2Gb
)
1671 fc_host_supported_speeds(host
) |= FC_PORTSPEED_2GBIT
;
1672 if (phba
->lmt
& LMT_1Gb
)
1673 fc_host_supported_speeds(host
) |= FC_PORTSPEED_1GBIT
;
1675 fc_host_maxframe_size(host
) =
1676 ((((uint32_t) phba
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
1677 (uint32_t) phba
->fc_sparam
.cmn
.bbRcvSizeLsb
);
1679 /* This value is also unchanging */
1680 memset(fc_host_active_fc4s(host
), 0,
1681 sizeof(fc_host_active_fc4s(host
)));
1682 fc_host_active_fc4s(host
)[2] = 1;
1683 fc_host_active_fc4s(host
)[7] = 1;
1685 spin_lock_irq(phba
->host
->host_lock
);
1686 phba
->fc_flag
&= ~FC_LOADING
;
1687 spin_unlock_irq(phba
->host
->host_lock
);
1691 lpfc_stop_timer(phba
);
1692 phba
->work_hba_events
= 0;
1693 free_irq(phba
->pcidev
->irq
, phba
);
1694 out_free_sysfs_attr
:
1695 lpfc_free_sysfs_attr(phba
);
1697 fc_remove_host(phba
->host
);
1698 scsi_remove_host(phba
->host
);
1700 kthread_stop(phba
->worker_thread
);
1702 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
1703 &phba
->lpfc_iocb_list
, list
) {
1704 spin_lock_irq(phba
->host
->host_lock
);
1706 phba
->total_iocbq_bufs
--;
1707 spin_unlock_irq(phba
->host
->host_lock
);
1709 lpfc_mem_free(phba
);
1711 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
, phba
->slim2p
,
1712 phba
->slim2p_mapping
);
1714 iounmap(phba
->ctrl_regs_memmap_p
);
1716 iounmap(phba
->slim_memmap_p
);
1718 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
1721 scsi_host_put(host
);
1722 out_release_regions
:
1723 pci_release_regions(pdev
);
1725 pci_disable_device(pdev
);
1727 pci_set_drvdata(pdev
, NULL
);
1731 static void __devexit
1732 lpfc_pci_remove_one(struct pci_dev
*pdev
)
1734 struct Scsi_Host
*host
= pci_get_drvdata(pdev
);
1735 struct lpfc_hba
*phba
= (struct lpfc_hba
*)host
->hostdata
;
1736 unsigned long iflag
;
1738 lpfc_free_sysfs_attr(phba
);
1740 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
1741 phba
->fc_flag
|= FC_UNLOADING
;
1743 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1745 fc_remove_host(phba
->host
);
1746 scsi_remove_host(phba
->host
);
1748 kthread_stop(phba
->worker_thread
);
1751 * Bring down the SLI Layer. This step disable all interrupts,
1752 * clears the rings, discards all mailbox commands, and resets
1755 lpfc_sli_hba_down(phba
);
1756 lpfc_sli_brdrestart(phba
);
1758 /* Release the irq reservation */
1759 free_irq(phba
->pcidev
->irq
, phba
);
1761 lpfc_cleanup(phba
, 0);
1762 lpfc_stop_timer(phba
);
1763 phba
->work_hba_events
= 0;
1766 * Call scsi_free before mem_free since scsi bufs are released to their
1767 * corresponding pools here.
1769 lpfc_scsi_free(phba
);
1770 lpfc_mem_free(phba
);
1772 /* Free resources associated with SLI2 interface */
1773 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
1774 phba
->slim2p
, phba
->slim2p_mapping
);
1776 /* unmap adapter SLIM and Control Registers */
1777 iounmap(phba
->ctrl_regs_memmap_p
);
1778 iounmap(phba
->slim_memmap_p
);
1780 pci_release_regions(phba
->pcidev
);
1781 pci_disable_device(phba
->pcidev
);
1783 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
1784 scsi_host_put(phba
->host
);
1786 pci_set_drvdata(pdev
, NULL
);
1789 static struct pci_device_id lpfc_id_table
[] = {
1790 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
1791 PCI_ANY_ID
, PCI_ANY_ID
, },
1792 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
1793 PCI_ANY_ID
, PCI_ANY_ID
, },
1794 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
1795 PCI_ANY_ID
, PCI_ANY_ID
, },
1796 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
1797 PCI_ANY_ID
, PCI_ANY_ID
, },
1798 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
1799 PCI_ANY_ID
, PCI_ANY_ID
, },
1800 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
1801 PCI_ANY_ID
, PCI_ANY_ID
, },
1802 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
1803 PCI_ANY_ID
, PCI_ANY_ID
, },
1804 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
1805 PCI_ANY_ID
, PCI_ANY_ID
, },
1806 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
1807 PCI_ANY_ID
, PCI_ANY_ID
, },
1808 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
1809 PCI_ANY_ID
, PCI_ANY_ID
, },
1810 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
1811 PCI_ANY_ID
, PCI_ANY_ID
, },
1812 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
1813 PCI_ANY_ID
, PCI_ANY_ID
, },
1814 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
1815 PCI_ANY_ID
, PCI_ANY_ID
, },
1816 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
1817 PCI_ANY_ID
, PCI_ANY_ID
, },
1818 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
1819 PCI_ANY_ID
, PCI_ANY_ID
, },
1820 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
1821 PCI_ANY_ID
, PCI_ANY_ID
, },
1822 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
1823 PCI_ANY_ID
, PCI_ANY_ID
, },
1824 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
1825 PCI_ANY_ID
, PCI_ANY_ID
, },
1826 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
1827 PCI_ANY_ID
, PCI_ANY_ID
, },
1828 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
1829 PCI_ANY_ID
, PCI_ANY_ID
, },
1830 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
1831 PCI_ANY_ID
, PCI_ANY_ID
, },
1832 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
1833 PCI_ANY_ID
, PCI_ANY_ID
, },
1834 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
1835 PCI_ANY_ID
, PCI_ANY_ID
, },
1836 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
1837 PCI_ANY_ID
, PCI_ANY_ID
, },
1838 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
1839 PCI_ANY_ID
, PCI_ANY_ID
, },
1840 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
1841 PCI_ANY_ID
, PCI_ANY_ID
, },
1842 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
1843 PCI_ANY_ID
, PCI_ANY_ID
, },
1847 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
1849 static struct pci_driver lpfc_driver
= {
1850 .name
= LPFC_DRIVER_NAME
,
1851 .id_table
= lpfc_id_table
,
1852 .probe
= lpfc_pci_probe_one
,
1853 .remove
= __devexit_p(lpfc_pci_remove_one
),
1861 printk(LPFC_MODULE_DESC
"\n");
1862 printk(LPFC_COPYRIGHT
"\n");
1864 lpfc_transport_template
=
1865 fc_attach_transport(&lpfc_transport_functions
);
1866 if (!lpfc_transport_template
)
1868 error
= pci_register_driver(&lpfc_driver
);
1870 fc_release_transport(lpfc_transport_template
);
1878 pci_unregister_driver(&lpfc_driver
);
1879 fc_release_transport(lpfc_transport_template
);
1882 module_init(lpfc_init
);
1883 module_exit(lpfc_exit
);
1884 MODULE_LICENSE("GPL");
1885 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
1886 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
1887 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);