1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2005 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 *);
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
);
129 /* The HBA's current state is provided by the ProgType and rr fields.
130 * Read and check the value of these fields before continuing to config
133 if (mb
->un
.varRdRev
.rr
== 0 || mb
->un
.varRdRev
.un
.b
.ProgType
!= 2) {
136 lpfc_printf_log(phba
,
139 "%d:0440 Adapter failed to init, mbxCmd x%x "
140 "READ_REV detected outdated firmware"
144 mempool_free(pmb
, phba
->mbox_mem_pool
);
148 vp
->rev
.sli1FwRev
= mb
->un
.varRdRev
.sli1FwRev
;
149 memcpy(vp
->rev
.sli1FwName
,
150 (char*)mb
->un
.varRdRev
.sli1FwName
, 16);
151 vp
->rev
.sli2FwRev
= mb
->un
.varRdRev
.sli2FwRev
;
152 memcpy(vp
->rev
.sli2FwName
,
153 (char *)mb
->un
.varRdRev
.sli2FwName
, 16);
156 /* Save information as VPD data */
157 vp
->rev
.biuRev
= mb
->un
.varRdRev
.biuRev
;
158 vp
->rev
.smRev
= mb
->un
.varRdRev
.smRev
;
159 vp
->rev
.smFwRev
= mb
->un
.varRdRev
.un
.smFwRev
;
160 vp
->rev
.endecRev
= mb
->un
.varRdRev
.endecRev
;
161 vp
->rev
.fcphHigh
= mb
->un
.varRdRev
.fcphHigh
;
162 vp
->rev
.fcphLow
= mb
->un
.varRdRev
.fcphLow
;
163 vp
->rev
.feaLevelHigh
= mb
->un
.varRdRev
.feaLevelHigh
;
164 vp
->rev
.feaLevelLow
= mb
->un
.varRdRev
.feaLevelLow
;
165 vp
->rev
.postKernRev
= mb
->un
.varRdRev
.postKernRev
;
166 vp
->rev
.opFwRev
= mb
->un
.varRdRev
.opFwRev
;
168 if (lpfc_is_LC_HBA(phba
->pcidev
->device
))
169 memcpy(phba
->RandomData
, (char *)&mb
->un
.varWords
[24],
170 sizeof (phba
->RandomData
));
172 /* Get the default values for Model Name and Description */
173 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
175 /* Get adapter VPD information */
176 pmb
->context2
= kmalloc(DMP_RSP_SIZE
, GFP_KERNEL
);
179 lpfc_vpd_data
= kmalloc(DMP_VPD_SIZE
, GFP_KERNEL
);
181 goto out_free_context2
;
184 lpfc_dump_mem(phba
, pmb
, offset
);
185 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
187 if (rc
!= MBX_SUCCESS
) {
188 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
189 "%d:0441 VPD not present on adapter, "
190 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
192 mb
->mbxCommand
, mb
->mbxStatus
);
193 kfree(lpfc_vpd_data
);
194 lpfc_vpd_data
= NULL
;
198 lpfc_sli_pcimem_bcopy(pmb
->context2
, lpfc_vpd_data
+ offset
,
199 mb
->un
.varDmp
.word_cnt
);
200 offset
+= mb
->un
.varDmp
.word_cnt
;
201 } while (mb
->un
.varDmp
.word_cnt
);
202 lpfc_parse_vpd(phba
, lpfc_vpd_data
);
204 kfree(lpfc_vpd_data
);
206 kfree(pmb
->context2
);
208 mempool_free(pmb
, phba
->mbox_mem_pool
);
212 /************************************************************************/
214 /* lpfc_config_port_post */
215 /* This routine will do LPFC initialization after the */
216 /* CONFIG_PORT mailbox command. This will be initialized */
217 /* as a SLI layer callback routine. */
218 /* This routine returns 0 on success. Any other return value */
219 /* indicates an error. */
221 /************************************************************************/
223 lpfc_config_port_post(struct lpfc_hba
* phba
)
227 struct lpfc_dmabuf
*mp
;
228 struct lpfc_sli
*psli
= &phba
->sli
;
229 uint32_t status
, timeout
;
232 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
234 phba
->hba_state
= LPFC_HBA_ERROR
;
239 lpfc_config_link(phba
, pmb
);
240 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
241 if (rc
!= MBX_SUCCESS
) {
242 lpfc_printf_log(phba
,
245 "%d:0447 Adapter failed init, mbxCmd x%x "
246 "CONFIG_LINK mbxStatus x%x\n",
248 mb
->mbxCommand
, mb
->mbxStatus
);
249 phba
->hba_state
= LPFC_HBA_ERROR
;
250 mempool_free( pmb
, phba
->mbox_mem_pool
);
254 /* Get login parameters for NID. */
255 lpfc_read_sparam(phba
, pmb
);
256 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
257 lpfc_printf_log(phba
,
260 "%d:0448 Adapter failed init, mbxCmd x%x "
261 "READ_SPARM mbxStatus x%x\n",
263 mb
->mbxCommand
, mb
->mbxStatus
);
264 phba
->hba_state
= LPFC_HBA_ERROR
;
265 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
266 mempool_free( pmb
, phba
->mbox_mem_pool
);
267 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
272 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
274 memcpy(&phba
->fc_sparam
, mp
->virt
, sizeof (struct serv_parm
));
275 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
277 pmb
->context1
= NULL
;
279 memcpy(&phba
->fc_nodename
, &phba
->fc_sparam
.nodeName
,
280 sizeof (struct lpfc_name
));
281 memcpy(&phba
->fc_portname
, &phba
->fc_sparam
.portName
,
282 sizeof (struct lpfc_name
));
283 /* If no serial number in VPD data, use low 6 bytes of WWNN */
284 /* This should be consolidated into parse_vpd ? - mr */
285 if (phba
->SerialNumber
[0] == 0) {
288 outptr
= &phba
->fc_nodename
.u
.s
.IEEE
[0];
289 for (i
= 0; i
< 12; i
++) {
291 j
= ((status
& 0xf0) >> 4);
293 phba
->SerialNumber
[i
] =
294 (char)((uint8_t) 0x30 + (uint8_t) j
);
296 phba
->SerialNumber
[i
] =
297 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
301 phba
->SerialNumber
[i
] =
302 (char)((uint8_t) 0x30 + (uint8_t) j
);
304 phba
->SerialNumber
[i
] =
305 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
309 /* This should turn on DELAYED ABTS for ELS timeouts */
310 lpfc_set_slim(phba
, pmb
, 0x052198, 0x1);
311 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
312 phba
->hba_state
= LPFC_HBA_ERROR
;
313 mempool_free( pmb
, phba
->mbox_mem_pool
);
318 lpfc_read_config(phba
, pmb
);
319 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
320 lpfc_printf_log(phba
,
323 "%d:0453 Adapter failed to init, mbxCmd x%x "
324 "READ_CONFIG, mbxStatus x%x\n",
326 mb
->mbxCommand
, mb
->mbxStatus
);
327 phba
->hba_state
= LPFC_HBA_ERROR
;
328 mempool_free( pmb
, phba
->mbox_mem_pool
);
332 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
333 if (phba
->cfg_hba_queue_depth
> (mb
->un
.varRdConfig
.max_xri
+1))
334 phba
->cfg_hba_queue_depth
=
335 mb
->un
.varRdConfig
.max_xri
+ 1;
337 phba
->lmt
= mb
->un
.varRdConfig
.lmt
;
338 /* HBA is not 4GB capable, or HBA is not 2GB capable,
339 don't let link speed ask for it */
340 if ((((phba
->lmt
& LMT_4250_10bit
) != LMT_4250_10bit
) &&
341 (phba
->cfg_link_speed
> LINK_SPEED_2G
)) ||
342 (((phba
->lmt
& LMT_2125_10bit
) != LMT_2125_10bit
) &&
343 (phba
->cfg_link_speed
> LINK_SPEED_1G
))) {
344 /* Reset link speed to auto. 1G/2GB HBA cfg'd for 4G */
345 lpfc_printf_log(phba
,
348 "%d:1302 Invalid speed for this board: "
349 "Reset link speed to auto: x%x\n",
351 phba
->cfg_link_speed
);
352 phba
->cfg_link_speed
= LINK_SPEED_AUTO
;
355 phba
->hba_state
= LPFC_LINK_DOWN
;
357 /* Only process IOCBs on ring 0 till hba_state is READY */
358 if (psli
->ring
[psli
->ip_ring
].cmdringaddr
)
359 psli
->ring
[psli
->ip_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
360 if (psli
->ring
[psli
->fcp_ring
].cmdringaddr
)
361 psli
->ring
[psli
->fcp_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
362 if (psli
->ring
[psli
->next_ring
].cmdringaddr
)
363 psli
->ring
[psli
->next_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
365 /* Post receive buffers for desired rings */
366 lpfc_post_rcv_buf(phba
);
368 /* Enable appropriate host interrupts */
369 spin_lock_irq(phba
->host
->host_lock
);
370 status
= readl(phba
->HCregaddr
);
371 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
372 if (psli
->num_rings
> 0)
373 status
|= HC_R0INT_ENA
;
374 if (psli
->num_rings
> 1)
375 status
|= HC_R1INT_ENA
;
376 if (psli
->num_rings
> 2)
377 status
|= HC_R2INT_ENA
;
378 if (psli
->num_rings
> 3)
379 status
|= HC_R3INT_ENA
;
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 phba
->els_tmofunc
.expires
= jiffies
+ HZ
* timeout
;
390 add_timer(&phba
->els_tmofunc
);
392 lpfc_init_link(phba
, pmb
, phba
->cfg_topology
, phba
->cfg_link_speed
);
393 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
394 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
) != MBX_SUCCESS
) {
395 lpfc_printf_log(phba
,
398 "%d:0454 Adapter failed to init, mbxCmd x%x "
399 "INIT_LINK, mbxStatus x%x\n",
401 mb
->mbxCommand
, mb
->mbxStatus
);
403 /* Clear all interrupt enable conditions */
404 writel(0, phba
->HCregaddr
);
405 readl(phba
->HCregaddr
); /* flush */
406 /* Clear all pending interrupts */
407 writel(0xffffffff, phba
->HAregaddr
);
408 readl(phba
->HAregaddr
); /* flush */
410 phba
->hba_state
= LPFC_HBA_ERROR
;
411 mempool_free(pmb
, phba
->mbox_mem_pool
);
414 /* MBOX buffer will be freed in mbox compl */
417 while ((phba
->hba_state
!= LPFC_HBA_READY
) ||
418 (phba
->num_disc_nodes
) || (phba
->fc_prli_sent
) ||
419 ((phba
->fc_map_cnt
== 0) && (i
<2)) ||
420 (psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
)) {
421 /* Check every second for 30 retries. */
426 if ((i
>= 15) && (phba
->hba_state
<= LPFC_LINK_DOWN
)) {
427 /* The link is down. Set linkdown timeout */
431 /* Delay for 1 second to give discovery time to complete. */
436 /* Since num_disc_nodes keys off of PLOGI, delay a bit to let
437 * any potential PRLIs to flush thru the SLI sub-system.
444 /************************************************************************/
446 /* lpfc_hba_down_prep */
447 /* This routine will do LPFC uninitialization before the */
448 /* HBA is reset when bringing down the SLI Layer. This will be */
449 /* initialized as a SLI layer callback routine. */
450 /* This routine returns 0 on success. Any other return value */
451 /* indicates an error. */
453 /************************************************************************/
455 lpfc_hba_down_prep(struct lpfc_hba
* phba
)
457 /* Disable interrupts */
458 writel(0, phba
->HCregaddr
);
459 readl(phba
->HCregaddr
); /* flush */
461 /* Cleanup potential discovery resources */
462 lpfc_els_flush_rscn(phba
);
463 lpfc_els_flush_cmd(phba
);
464 lpfc_disc_flush_list(phba
);
469 /************************************************************************/
471 /* lpfc_handle_eratt */
472 /* This routine will handle processing a Host Attention */
473 /* Error Status event. This will be initialized */
474 /* as a SLI layer callback routine. */
476 /************************************************************************/
478 lpfc_handle_eratt(struct lpfc_hba
* phba
)
480 struct lpfc_sli
*psli
= &phba
->sli
;
481 struct lpfc_sli_ring
*pring
;
484 * If a reset is sent to the HBA restore PCI configuration registers.
486 if ( phba
->hba_state
== LPFC_INIT_START
) {
488 readl(phba
->HCregaddr
); /* flush */
489 writel(0, phba
->HCregaddr
);
490 readl(phba
->HCregaddr
); /* flush */
492 /* Restore PCI cmd register */
493 pci_write_config_word(phba
->pcidev
,
494 PCI_COMMAND
, phba
->pci_cfg_value
);
497 if (phba
->work_hs
& HS_FFER6
) {
498 /* Re-establishing Link */
499 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
500 "%d:1301 Re-establishing Link "
501 "Data: x%x x%x x%x\n",
502 phba
->brd_no
, phba
->work_hs
,
503 phba
->work_status
[0], phba
->work_status
[1]);
504 spin_lock_irq(phba
->host
->host_lock
);
505 phba
->fc_flag
|= FC_ESTABLISH_LINK
;
506 spin_unlock_irq(phba
->host
->host_lock
);
509 * Firmware stops when it triggled erratt with HS_FFER6.
510 * That could cause the I/Os dropped by the firmware.
511 * Error iocb (I/O) on txcmplq and let the SCSI layer
512 * retry it after re-establishing link.
514 pring
= &psli
->ring
[psli
->fcp_ring
];
515 lpfc_sli_abort_iocb_ring(phba
, pring
);
519 * There was a firmware error. Take the hba offline and then
520 * attempt to restart it.
523 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
524 mod_timer(&phba
->fc_estabtmo
, jiffies
+ HZ
* 60);
528 /* The if clause above forces this code path when the status
529 * failure is a value other than FFER6. Do not call the offline
530 * twice. This is the adapter hardware error path.
532 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
533 "%d:0457 Adapter Hardware Error "
534 "Data: x%x x%x x%x\n",
535 phba
->brd_no
, phba
->work_hs
,
536 phba
->work_status
[0], phba
->work_status
[1]);
543 /************************************************************************/
545 /* lpfc_handle_latt */
546 /* This routine will handle processing a Host Attention */
547 /* Link Status event. This will be initialized */
548 /* as a SLI layer callback routine. */
550 /************************************************************************/
552 lpfc_handle_latt(struct lpfc_hba
* phba
)
554 struct lpfc_sli
*psli
= &phba
->sli
;
556 volatile uint32_t control
;
557 struct lpfc_dmabuf
*mp
;
560 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
562 goto lpfc_handle_latt_err_exit
;
564 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
566 goto lpfc_handle_latt_free_pmb
;
568 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
570 goto lpfc_handle_latt_free_mp
;
575 psli
->slistat
.link_event
++;
576 lpfc_read_la(phba
, pmb
, mp
);
577 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_la
;
578 rc
= lpfc_sli_issue_mbox (phba
, pmb
, (MBX_NOWAIT
| MBX_STOP_IOCB
));
579 if (rc
== MBX_NOT_FINISHED
)
580 goto lpfc_handle_latt_free_mp
;
582 /* Clear Link Attention in HA REG */
583 spin_lock_irq(phba
->host
->host_lock
);
584 writel(HA_LATT
, phba
->HAregaddr
);
585 readl(phba
->HAregaddr
); /* flush */
586 spin_unlock_irq(phba
->host
->host_lock
);
590 lpfc_handle_latt_free_mp
:
592 lpfc_handle_latt_free_pmb
:
594 lpfc_handle_latt_err_exit
:
595 /* Enable Link attention interrupts */
596 spin_lock_irq(phba
->host
->host_lock
);
597 psli
->sli_flag
|= LPFC_PROCESS_LA
;
598 control
= readl(phba
->HCregaddr
);
599 control
|= HC_LAINT_ENA
;
600 writel(control
, phba
->HCregaddr
);
601 readl(phba
->HCregaddr
); /* flush */
603 /* Clear Link Attention in HA REG */
604 writel(HA_LATT
, phba
->HAregaddr
);
605 readl(phba
->HAregaddr
); /* flush */
606 spin_unlock_irq(phba
->host
->host_lock
);
608 phba
->hba_state
= LPFC_HBA_ERROR
;
610 /* The other case is an error from issue_mbox */
612 lpfc_printf_log(phba
,
615 "%d:0300 READ_LA: no buffers\n",
621 /************************************************************************/
624 /* This routine will parse the VPD data */
626 /************************************************************************/
628 lpfc_parse_vpd(struct lpfc_hba
* phba
, uint8_t * vpd
)
630 uint8_t lenlo
, lenhi
;
640 lpfc_printf_log(phba
,
643 "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
645 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
648 switch (vpd
[index
]) {
655 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
664 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
667 /* Look for Serial Number */
668 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
675 phba
->SerialNumber
[j
++] = vpd
[index
++];
679 phba
->SerialNumber
[j
] = 0;
682 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
683 phba
->vpd_flag
|= VPD_MODEL_DESC
;
690 phba
->ModelDesc
[j
++] = vpd
[index
++];
694 phba
->ModelDesc
[j
] = 0;
697 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
698 phba
->vpd_flag
|= VPD_MODEL_NAME
;
705 phba
->ModelName
[j
++] = vpd
[index
++];
709 phba
->ModelName
[j
] = 0;
712 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
713 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
720 phba
->ProgramType
[j
++] = vpd
[index
++];
724 phba
->ProgramType
[j
] = 0;
727 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
728 phba
->vpd_flag
|= VPD_PORT
;
735 phba
->Port
[j
++] = vpd
[index
++];
759 } while (!finished
&& (index
< 108));
765 lpfc_get_hba_model_desc(struct lpfc_hba
* phba
, uint8_t * mdp
, uint8_t * descp
)
773 pci_read_config_dword(phba
->pcidev
, PCI_VENDOR_ID
, &id
);
774 pci_read_config_byte(phba
->pcidev
, PCI_HEADER_TYPE
, &hdrtype
);
776 switch ((id
>> 16) & 0xffff) {
777 case PCI_DEVICE_ID_FIREFLY
:
778 strcpy(str
, "LP6000 1");
780 case PCI_DEVICE_ID_SUPERFLY
:
781 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
782 strcpy(str
, "LP7000 1");
784 strcpy(str
, "LP7000E 1");
786 case PCI_DEVICE_ID_DRAGONFLY
:
787 strcpy(str
, "LP8000 1");
789 case PCI_DEVICE_ID_CENTAUR
:
790 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
791 strcpy(str
, "LP9002 2");
793 strcpy(str
, "LP9000 1");
795 case PCI_DEVICE_ID_RFLY
:
796 strcpy(str
, "LP952 2");
798 case PCI_DEVICE_ID_PEGASUS
:
799 strcpy(str
, "LP9802 2");
801 case PCI_DEVICE_ID_THOR
:
803 strcpy(str
, "LP10000DC 2");
805 strcpy(str
, "LP10000 2");
807 case PCI_DEVICE_ID_VIPER
:
808 strcpy(str
, "LPX1000 10");
810 case PCI_DEVICE_ID_PFLY
:
811 strcpy(str
, "LP982 2");
813 case PCI_DEVICE_ID_TFLY
:
815 strcpy(str
, "LP1050DC 2");
817 strcpy(str
, "LP1050 2");
819 case PCI_DEVICE_ID_HELIOS
:
821 strcpy(str
, "LP11002 4");
823 strcpy(str
, "LP11000 4");
825 case PCI_DEVICE_ID_BMID
:
826 strcpy(str
, "LP1150 4");
828 case PCI_DEVICE_ID_BSMB
:
829 strcpy(str
, "LP111 4");
831 case PCI_DEVICE_ID_ZEPHYR
:
833 strcpy(str
, "LPe11002 4");
835 strcpy(str
, "LPe11000 4");
837 case PCI_DEVICE_ID_ZMID
:
838 strcpy(str
, "LPe1150 4");
840 case PCI_DEVICE_ID_ZSMB
:
841 strcpy(str
, "LPe111 4");
843 case PCI_DEVICE_ID_LP101
:
844 strcpy(str
, "LP101 2");
846 case PCI_DEVICE_ID_LP10000S
:
847 strcpy(str
, "LP10000-S 2");
854 sscanf(str
, "%s", mdp
);
856 sprintf(descp
, "Emulex LightPulse %s Gigabit PCI Fibre "
857 "Channel Adapter", str
);
860 /**************************************************/
861 /* lpfc_post_buffer */
863 /* This routine will post count buffers to the */
864 /* ring with the QUE_RING_BUF_CN command. This */
865 /* allows 3 buffers / command to be posted. */
866 /* Returns the number of buffers NOT posted. */
867 /**************************************************/
869 lpfc_post_buffer(struct lpfc_hba
* phba
, struct lpfc_sli_ring
* pring
, int cnt
,
873 struct lpfc_iocbq
*iocb
;
874 struct lpfc_dmabuf
*mp1
, *mp2
;
876 cnt
+= pring
->missbufcnt
;
878 /* While there are buffers to post */
880 /* Allocate buffer for command iocb */
881 spin_lock_irq(phba
->host
->host_lock
);
882 iocb
= lpfc_sli_get_iocbq(phba
);
883 spin_unlock_irq(phba
->host
->host_lock
);
885 pring
->missbufcnt
= cnt
;
890 /* 2 buffers can be posted per command */
891 /* Allocate buffer to post */
892 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
894 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
896 if (mp1
== 0 || mp1
->virt
== 0) {
899 spin_lock_irq(phba
->host
->host_lock
);
900 lpfc_sli_release_iocbq(phba
, iocb
);
901 spin_unlock_irq(phba
->host
->host_lock
);
902 pring
->missbufcnt
= cnt
;
906 INIT_LIST_HEAD(&mp1
->list
);
907 /* Allocate buffer to post */
909 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
911 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
913 if (mp2
== 0 || mp2
->virt
== 0) {
916 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
918 spin_lock_irq(phba
->host
->host_lock
);
919 lpfc_sli_release_iocbq(phba
, iocb
);
920 spin_unlock_irq(phba
->host
->host_lock
);
921 pring
->missbufcnt
= cnt
;
925 INIT_LIST_HEAD(&mp2
->list
);
930 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
931 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
932 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
933 icmd
->ulpBdeCount
= 1;
936 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
937 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
938 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
940 icmd
->ulpBdeCount
= 2;
943 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
946 spin_lock_irq(phba
->host
->host_lock
);
947 if (lpfc_sli_issue_iocb(phba
, pring
, iocb
, 0) == IOCB_ERROR
) {
948 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
952 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
956 lpfc_sli_release_iocbq(phba
, iocb
);
957 pring
->missbufcnt
= cnt
;
958 spin_unlock_irq(phba
->host
->host_lock
);
961 spin_unlock_irq(phba
->host
->host_lock
);
962 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
964 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
967 pring
->missbufcnt
= 0;
971 /************************************************************************/
973 /* lpfc_post_rcv_buf */
974 /* This routine post initial rcv buffers to the configured rings */
976 /************************************************************************/
978 lpfc_post_rcv_buf(struct lpfc_hba
* phba
)
980 struct lpfc_sli
*psli
= &phba
->sli
;
982 /* Ring 0, ELS / CT buffers */
983 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
, 1);
984 /* Ring 2 - FCP no buffers needed */
989 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
991 /************************************************************************/
995 /************************************************************************/
997 lpfc_sha_init(uint32_t * HashResultPointer
)
999 HashResultPointer
[0] = 0x67452301;
1000 HashResultPointer
[1] = 0xEFCDAB89;
1001 HashResultPointer
[2] = 0x98BADCFE;
1002 HashResultPointer
[3] = 0x10325476;
1003 HashResultPointer
[4] = 0xC3D2E1F0;
1006 /************************************************************************/
1008 /* lpfc_sha_iterate */
1010 /************************************************************************/
1012 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
1016 uint32_t A
, B
, C
, D
, E
;
1019 HashWorkingPointer
[t
] =
1021 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
1023 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
1024 } while (++t
<= 79);
1026 A
= HashResultPointer
[0];
1027 B
= HashResultPointer
[1];
1028 C
= HashResultPointer
[2];
1029 D
= HashResultPointer
[3];
1030 E
= HashResultPointer
[4];
1034 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
1035 } else if (t
< 40) {
1036 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
1037 } else if (t
< 60) {
1038 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
1040 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
1042 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
1048 } while (++t
<= 79);
1050 HashResultPointer
[0] += A
;
1051 HashResultPointer
[1] += B
;
1052 HashResultPointer
[2] += C
;
1053 HashResultPointer
[3] += D
;
1054 HashResultPointer
[4] += E
;
1058 /************************************************************************/
1060 /* lpfc_challenge_key */
1062 /************************************************************************/
1064 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
1066 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
1069 /************************************************************************/
1073 /************************************************************************/
1075 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
1078 uint32_t *HashWorking
;
1079 uint32_t *pwwnn
= phba
->wwnn
;
1081 HashWorking
= kmalloc(80 * sizeof(uint32_t), GFP_KERNEL
);
1085 memset(HashWorking
, 0, (80 * sizeof(uint32_t)));
1086 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
1087 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
1089 for (t
= 0; t
< 7; t
++)
1090 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
1092 lpfc_sha_init(hbainit
);
1093 lpfc_sha_iterate(hbainit
, HashWorking
);
1098 lpfc_cleanup(struct lpfc_hba
* phba
, uint32_t save_bind
)
1100 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
1102 /* clean up phba - lpfc specific */
1103 lpfc_can_disctmo(phba
);
1104 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_nlpunmap_list
,
1106 lpfc_nlp_remove(phba
, ndlp
);
1109 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_nlpmap_list
,
1111 lpfc_nlp_remove(phba
, ndlp
);
1114 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_unused_list
,
1116 lpfc_nlp_list(phba
, ndlp
, NLP_NO_LIST
);
1119 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_plogi_list
,
1121 lpfc_nlp_remove(phba
, ndlp
);
1124 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_adisc_list
,
1126 lpfc_nlp_remove(phba
, ndlp
);
1129 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_reglogin_list
,
1131 lpfc_nlp_remove(phba
, ndlp
);
1134 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_prli_list
,
1136 lpfc_nlp_remove(phba
, ndlp
);
1139 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_npr_list
,
1141 lpfc_nlp_remove(phba
, ndlp
);
1144 INIT_LIST_HEAD(&phba
->fc_nlpmap_list
);
1145 INIT_LIST_HEAD(&phba
->fc_nlpunmap_list
);
1146 INIT_LIST_HEAD(&phba
->fc_unused_list
);
1147 INIT_LIST_HEAD(&phba
->fc_plogi_list
);
1148 INIT_LIST_HEAD(&phba
->fc_adisc_list
);
1149 INIT_LIST_HEAD(&phba
->fc_reglogin_list
);
1150 INIT_LIST_HEAD(&phba
->fc_prli_list
);
1151 INIT_LIST_HEAD(&phba
->fc_npr_list
);
1153 phba
->fc_map_cnt
= 0;
1154 phba
->fc_unmap_cnt
= 0;
1155 phba
->fc_plogi_cnt
= 0;
1156 phba
->fc_adisc_cnt
= 0;
1157 phba
->fc_reglogin_cnt
= 0;
1158 phba
->fc_prli_cnt
= 0;
1159 phba
->fc_npr_cnt
= 0;
1160 phba
->fc_unused_cnt
= 0;
1165 lpfc_establish_link_tmo(unsigned long ptr
)
1167 struct lpfc_hba
*phba
= (struct lpfc_hba
*)ptr
;
1168 unsigned long iflag
;
1171 /* Re-establishing Link, timer expired */
1172 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
1173 "%d:1300 Re-establishing Link, timer expired "
1175 phba
->brd_no
, phba
->fc_flag
, phba
->hba_state
);
1176 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
1177 phba
->fc_flag
&= ~FC_ESTABLISH_LINK
;
1178 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1182 lpfc_stop_timer(struct lpfc_hba
* phba
)
1184 struct lpfc_sli
*psli
= &phba
->sli
;
1186 /* Instead of a timer, this has been converted to a
1187 * deferred procedding list.
1189 while (!list_empty(&phba
->freebufList
)) {
1191 struct lpfc_dmabuf
*mp
= NULL
;
1193 list_remove_head((&phba
->freebufList
), mp
,
1194 struct lpfc_dmabuf
, list
);
1196 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1201 del_timer_sync(&phba
->fc_estabtmo
);
1202 del_timer_sync(&phba
->fc_disctmo
);
1203 del_timer_sync(&phba
->fc_fdmitmo
);
1204 del_timer_sync(&phba
->els_tmofunc
);
1206 del_timer_sync(&psli
->mbox_tmo
);
1211 lpfc_online(struct lpfc_hba
* phba
)
1216 if (!(phba
->fc_flag
& FC_OFFLINE_MODE
))
1219 lpfc_printf_log(phba
,
1222 "%d:0458 Bring Adapter online\n",
1225 if (!lpfc_sli_queue_setup(phba
))
1228 if (lpfc_sli_hba_setup(phba
)) /* Initialize the HBA */
1231 spin_lock_irq(phba
->host
->host_lock
);
1232 phba
->fc_flag
&= ~FC_OFFLINE_MODE
;
1233 spin_unlock_irq(phba
->host
->host_lock
);
1239 lpfc_offline(struct lpfc_hba
* phba
)
1241 struct lpfc_sli_ring
*pring
;
1242 struct lpfc_sli
*psli
;
1243 unsigned long iflag
;
1249 if (phba
->fc_flag
& FC_OFFLINE_MODE
)
1253 pring
= &psli
->ring
[psli
->fcp_ring
];
1255 lpfc_linkdown(phba
);
1257 /* The linkdown event takes 30 seconds to timeout. */
1258 while (pring
->txcmplq_cnt
) {
1264 /* stop all timers associated with this hba */
1265 lpfc_stop_timer(phba
);
1266 phba
->work_hba_events
= 0;
1268 lpfc_printf_log(phba
,
1271 "%d:0460 Bring Adapter offline\n",
1274 /* Bring down the SLI Layer and cleanup. The HBA is offline
1276 lpfc_sli_hba_down(phba
);
1277 lpfc_cleanup(phba
, 1);
1278 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
1279 phba
->fc_flag
|= FC_OFFLINE_MODE
;
1280 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1284 /******************************************************************************
1285 * Function name: lpfc_scsi_free
1287 * Description: Called from lpfc_pci_remove_one free internal driver resources
1289 ******************************************************************************/
1291 lpfc_scsi_free(struct lpfc_hba
* phba
)
1293 struct lpfc_scsi_buf
*sb
, *sb_next
;
1294 struct lpfc_iocbq
*io
, *io_next
;
1296 spin_lock_irq(phba
->host
->host_lock
);
1297 /* Release all the lpfc_scsi_bufs maintained by this host. */
1298 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
) {
1299 list_del(&sb
->list
);
1300 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
1303 phba
->total_scsi_bufs
--;
1306 /* Release all the lpfc_iocbq entries maintained by this host. */
1307 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
1308 list_del(&io
->list
);
1310 phba
->total_iocbq_bufs
--;
1313 spin_unlock_irq(phba
->host
->host_lock
);
1319 static int __devinit
1320 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
1322 struct Scsi_Host
*host
;
1323 struct lpfc_hba
*phba
;
1324 struct lpfc_sli
*psli
;
1325 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
1326 unsigned long bar0map_len
, bar2map_len
;
1327 int error
= -ENODEV
, retval
;
1331 if (pci_enable_device(pdev
))
1333 if (pci_request_regions(pdev
, LPFC_DRIVER_NAME
))
1334 goto out_disable_device
;
1336 host
= scsi_host_alloc(&lpfc_template
, sizeof (struct lpfc_hba
));
1338 goto out_release_regions
;
1340 phba
= (struct lpfc_hba
*)host
->hostdata
;
1341 memset(phba
, 0, sizeof (struct lpfc_hba
));
1344 phba
->fc_flag
|= FC_LOADING
;
1345 phba
->pcidev
= pdev
;
1347 /* Assign an unused board number */
1348 if (!idr_pre_get(&lpfc_hba_index
, GFP_KERNEL
))
1351 error
= idr_get_new(&lpfc_hba_index
, NULL
, &phba
->brd_no
);
1355 host
->unique_id
= phba
->brd_no
;
1357 INIT_LIST_HEAD(&phba
->ctrspbuflist
);
1358 INIT_LIST_HEAD(&phba
->rnidrspbuflist
);
1359 INIT_LIST_HEAD(&phba
->freebufList
);
1361 /* Initialize timers used by driver */
1362 init_timer(&phba
->fc_estabtmo
);
1363 phba
->fc_estabtmo
.function
= lpfc_establish_link_tmo
;
1364 phba
->fc_estabtmo
.data
= (unsigned long)phba
;
1365 init_timer(&phba
->fc_disctmo
);
1366 phba
->fc_disctmo
.function
= lpfc_disc_timeout
;
1367 phba
->fc_disctmo
.data
= (unsigned long)phba
;
1369 init_timer(&phba
->fc_fdmitmo
);
1370 phba
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
1371 phba
->fc_fdmitmo
.data
= (unsigned long)phba
;
1372 init_timer(&phba
->els_tmofunc
);
1373 phba
->els_tmofunc
.function
= lpfc_els_timeout
;
1374 phba
->els_tmofunc
.data
= (unsigned long)phba
;
1376 init_timer(&psli
->mbox_tmo
);
1377 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
1378 psli
->mbox_tmo
.data
= (unsigned long)phba
;
1381 * Get all the module params for configuring this host and then
1382 * establish the host parameters.
1384 lpfc_get_cfgparam(phba
);
1386 host
->max_id
= LPFC_MAX_TARGET
;
1387 host
->max_lun
= phba
->cfg_max_luns
;
1390 /* Initialize all internally managed lists. */
1391 INIT_LIST_HEAD(&phba
->fc_nlpmap_list
);
1392 INIT_LIST_HEAD(&phba
->fc_nlpunmap_list
);
1393 INIT_LIST_HEAD(&phba
->fc_unused_list
);
1394 INIT_LIST_HEAD(&phba
->fc_plogi_list
);
1395 INIT_LIST_HEAD(&phba
->fc_adisc_list
);
1396 INIT_LIST_HEAD(&phba
->fc_reglogin_list
);
1397 INIT_LIST_HEAD(&phba
->fc_prli_list
);
1398 INIT_LIST_HEAD(&phba
->fc_npr_list
);
1401 pci_set_master(pdev
);
1402 retval
= pci_set_mwi(pdev
);
1404 dev_printk(KERN_WARNING
, &pdev
->dev
,
1405 "Warning: pci_set_mwi returned %d\n", retval
);
1407 if (pci_set_dma_mask(phba
->pcidev
, DMA_64BIT_MASK
) != 0)
1408 if (pci_set_dma_mask(phba
->pcidev
, DMA_32BIT_MASK
) != 0)
1409 goto out_idr_remove
;
1412 * Get the bus address of Bar0 and Bar2 and the number of bytes
1413 * required by each mapping.
1415 phba
->pci_bar0_map
= pci_resource_start(phba
->pcidev
, 0);
1416 bar0map_len
= pci_resource_len(phba
->pcidev
, 0);
1418 phba
->pci_bar2_map
= pci_resource_start(phba
->pcidev
, 2);
1419 bar2map_len
= pci_resource_len(phba
->pcidev
, 2);
1421 /* Map HBA SLIM and Control Registers to a kernel virtual address. */
1422 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
1423 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
1425 /* Allocate memory for SLI-2 structures */
1426 phba
->slim2p
= dma_alloc_coherent(&phba
->pcidev
->dev
, SLI2_SLIM_SIZE
,
1427 &phba
->slim2p_mapping
, GFP_KERNEL
);
1431 memset(phba
->slim2p
, 0, SLI2_SLIM_SIZE
);
1433 /* Initialize the SLI Layer to run with lpfc HBAs. */
1434 lpfc_sli_setup(phba
);
1435 lpfc_sli_queue_setup(phba
);
1437 error
= lpfc_mem_alloc(phba
);
1441 /* Initialize and populate the iocb list per host. */
1442 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
1443 for (i
= 0; i
< LPFC_IOCB_LIST_CNT
; i
++) {
1444 iocbq_entry
= kmalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
1445 if (iocbq_entry
== NULL
) {
1446 printk(KERN_ERR
"%s: only allocated %d iocbs of "
1447 "expected %d count. Unloading driver.\n",
1448 __FUNCTION__
, i
, LPFC_IOCB_LIST_CNT
);
1450 goto out_free_iocbq
;
1453 memset(iocbq_entry
, 0, sizeof(struct lpfc_iocbq
));
1454 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
1456 kfree (iocbq_entry
);
1457 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
1458 "Unloading driver.\n",
1461 goto out_free_iocbq
;
1463 spin_lock_irq(phba
->host
->host_lock
);
1464 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
1465 phba
->total_iocbq_bufs
++;
1466 spin_unlock_irq(phba
->host
->host_lock
);
1469 /* Initialize HBA structure */
1470 phba
->fc_edtov
= FF_DEF_EDTOV
;
1471 phba
->fc_ratov
= FF_DEF_RATOV
;
1472 phba
->fc_altov
= FF_DEF_ALTOV
;
1473 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
1475 INIT_LIST_HEAD(&phba
->work_list
);
1476 phba
->work_ha_mask
= (HA_ERATT
|HA_MBATT
|HA_LATT
);
1477 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
1479 /* Startup the kernel thread for this host adapter. */
1480 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
1481 "lpfc_worker_%d", phba
->brd_no
);
1482 if (IS_ERR(phba
->worker_thread
)) {
1483 error
= PTR_ERR(phba
->worker_thread
);
1484 goto out_free_iocbq
;
1487 /* We can rely on a queue depth attribute only after SLI HBA setup */
1488 host
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
1490 /* Tell the midlayer we support 16 byte commands */
1491 host
->max_cmd_len
= 16;
1493 /* Initialize the list of scsi buffers used by driver for scsi IO. */
1494 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list
);
1496 host
->transportt
= lpfc_transport_template
;
1497 host
->hostdata
[0] = (unsigned long)phba
;
1498 pci_set_drvdata(pdev
, host
);
1499 error
= scsi_add_host(host
, &pdev
->dev
);
1501 goto out_kthread_stop
;
1503 error
= lpfc_alloc_sysfs_attr(phba
);
1505 goto out_kthread_stop
;
1507 error
= request_irq(phba
->pcidev
->irq
, lpfc_intr_handler
, SA_SHIRQ
,
1508 LPFC_DRIVER_NAME
, phba
);
1510 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1511 "%d:0451 Enable interrupt handler failed\n",
1513 goto out_free_sysfs_attr
;
1515 phba
->MBslimaddr
= phba
->slim_memmap_p
;
1516 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
1517 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
1518 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
1519 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
1521 error
= lpfc_sli_hba_setup(phba
);
1526 * set fixed host attributes
1527 * Must done after lpfc_sli_hba_setup()
1530 fc_host_node_name(host
) = wwn_to_u64(phba
->fc_nodename
.u
.wwn
);
1531 fc_host_port_name(host
) = wwn_to_u64(phba
->fc_portname
.u
.wwn
);
1532 fc_host_supported_classes(host
) = FC_COS_CLASS3
;
1534 memset(fc_host_supported_fc4s(host
), 0,
1535 sizeof(fc_host_supported_fc4s(host
)));
1536 fc_host_supported_fc4s(host
)[2] = 1;
1537 fc_host_supported_fc4s(host
)[7] = 1;
1539 lpfc_get_hba_sym_node_name(phba
, fc_host_symbolic_name(host
));
1541 fc_host_supported_speeds(host
) = 0;
1542 switch (FC_JEDEC_ID(phba
->vpd
.rev
.biuRev
)) {
1543 case VIPER_JEDEC_ID
:
1544 fc_host_supported_speeds(host
) |= FC_PORTSPEED_10GBIT
;
1546 case HELIOS_JEDEC_ID
:
1547 fc_host_supported_speeds(host
) |= FC_PORTSPEED_4GBIT
;
1549 case CENTAUR_2G_JEDEC_ID
:
1550 case PEGASUS_JEDEC_ID
:
1552 fc_host_supported_speeds(host
) |= FC_PORTSPEED_2GBIT
;
1555 fc_host_supported_speeds(host
) = FC_PORTSPEED_1GBIT
;
1558 fc_host_maxframe_size(host
) =
1559 ((((uint32_t) phba
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
1560 (uint32_t) phba
->fc_sparam
.cmn
.bbRcvSizeLsb
);
1562 /* This value is also unchanging */
1563 memset(fc_host_active_fc4s(host
), 0,
1564 sizeof(fc_host_active_fc4s(host
)));
1565 fc_host_active_fc4s(host
)[2] = 1;
1566 fc_host_active_fc4s(host
)[7] = 1;
1568 spin_lock_irq(phba
->host
->host_lock
);
1569 phba
->fc_flag
&= ~FC_LOADING
;
1570 spin_unlock_irq(phba
->host
->host_lock
);
1574 lpfc_stop_timer(phba
);
1575 phba
->work_hba_events
= 0;
1576 free_irq(phba
->pcidev
->irq
, phba
);
1577 out_free_sysfs_attr
:
1578 lpfc_free_sysfs_attr(phba
);
1580 kthread_stop(phba
->worker_thread
);
1582 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
1583 &phba
->lpfc_iocb_list
, list
) {
1584 spin_lock_irq(phba
->host
->host_lock
);
1586 phba
->total_iocbq_bufs
--;
1587 spin_unlock_irq(phba
->host
->host_lock
);
1589 lpfc_mem_free(phba
);
1591 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
, phba
->slim2p
,
1592 phba
->slim2p_mapping
);
1594 iounmap(phba
->ctrl_regs_memmap_p
);
1595 iounmap(phba
->slim_memmap_p
);
1597 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
1599 scsi_host_put(host
);
1600 out_release_regions
:
1601 pci_release_regions(pdev
);
1603 pci_disable_device(pdev
);
1608 static void __devexit
1609 lpfc_pci_remove_one(struct pci_dev
*pdev
)
1611 struct Scsi_Host
*host
= pci_get_drvdata(pdev
);
1612 struct lpfc_hba
*phba
= (struct lpfc_hba
*)host
->hostdata
[0];
1613 unsigned long iflag
;
1615 lpfc_free_sysfs_attr(phba
);
1617 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
1618 phba
->fc_flag
|= FC_UNLOADING
;
1620 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1622 fc_remove_host(phba
->host
);
1623 scsi_remove_host(phba
->host
);
1625 kthread_stop(phba
->worker_thread
);
1628 * Bring down the SLI Layer. This step disable all interrupts,
1629 * clears the rings, discards all mailbox commands, and resets
1632 lpfc_sli_hba_down(phba
);
1634 /* Release the irq reservation */
1635 free_irq(phba
->pcidev
->irq
, phba
);
1637 lpfc_cleanup(phba
, 0);
1638 lpfc_stop_timer(phba
);
1639 phba
->work_hba_events
= 0;
1642 * Call scsi_free before mem_free since scsi bufs are released to their
1643 * corresponding pools here.
1645 lpfc_scsi_free(phba
);
1646 lpfc_mem_free(phba
);
1648 /* Free resources associated with SLI2 interface */
1649 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
1650 phba
->slim2p
, phba
->slim2p_mapping
);
1652 /* unmap adapter SLIM and Control Registers */
1653 iounmap(phba
->ctrl_regs_memmap_p
);
1654 iounmap(phba
->slim_memmap_p
);
1656 pci_release_regions(phba
->pcidev
);
1657 pci_disable_device(phba
->pcidev
);
1659 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
1660 scsi_host_put(phba
->host
);
1662 pci_set_drvdata(pdev
, NULL
);
1665 static struct pci_device_id lpfc_id_table
[] = {
1666 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
1667 PCI_ANY_ID
, PCI_ANY_ID
, },
1668 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
1669 PCI_ANY_ID
, PCI_ANY_ID
, },
1670 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
1671 PCI_ANY_ID
, PCI_ANY_ID
, },
1672 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
1673 PCI_ANY_ID
, PCI_ANY_ID
, },
1674 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
1675 PCI_ANY_ID
, PCI_ANY_ID
, },
1676 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
1677 PCI_ANY_ID
, PCI_ANY_ID
, },
1678 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
1679 PCI_ANY_ID
, PCI_ANY_ID
, },
1680 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
1681 PCI_ANY_ID
, PCI_ANY_ID
, },
1682 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
1683 PCI_ANY_ID
, PCI_ANY_ID
, },
1684 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
1685 PCI_ANY_ID
, PCI_ANY_ID
, },
1686 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
1687 PCI_ANY_ID
, PCI_ANY_ID
, },
1688 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
1689 PCI_ANY_ID
, PCI_ANY_ID
, },
1690 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
1691 PCI_ANY_ID
, PCI_ANY_ID
, },
1692 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
1693 PCI_ANY_ID
, PCI_ANY_ID
, },
1694 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
1695 PCI_ANY_ID
, PCI_ANY_ID
, },
1696 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
1697 PCI_ANY_ID
, PCI_ANY_ID
, },
1698 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
1699 PCI_ANY_ID
, PCI_ANY_ID
, },
1700 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
1701 PCI_ANY_ID
, PCI_ANY_ID
, },
1705 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
1707 static struct pci_driver lpfc_driver
= {
1708 .name
= LPFC_DRIVER_NAME
,
1709 .id_table
= lpfc_id_table
,
1710 .probe
= lpfc_pci_probe_one
,
1711 .remove
= __devexit_p(lpfc_pci_remove_one
),
1719 printk(LPFC_MODULE_DESC
"\n");
1720 printk(LPFC_COPYRIGHT
"\n");
1722 lpfc_transport_template
=
1723 fc_attach_transport(&lpfc_transport_functions
);
1724 if (!lpfc_transport_template
)
1726 error
= pci_register_driver(&lpfc_driver
);
1728 fc_release_transport(lpfc_transport_template
);
1736 pci_unregister_driver(&lpfc_driver
);
1737 fc_release_transport(lpfc_transport_template
);
1740 module_init(lpfc_init
);
1741 module_exit(lpfc_exit
);
1742 MODULE_LICENSE("GPL");
1743 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
1744 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
1745 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);