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
);
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 the default values for Model Name and Description */
165 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
167 /* Get adapter VPD information */
168 pmb
->context2
= kmalloc(DMP_RSP_SIZE
, GFP_KERNEL
);
171 lpfc_vpd_data
= kmalloc(DMP_VPD_SIZE
, GFP_KERNEL
);
173 goto out_free_context2
;
176 lpfc_dump_mem(phba
, pmb
, offset
);
177 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
179 if (rc
!= MBX_SUCCESS
) {
180 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
181 "%d:0441 VPD not present on adapter, "
182 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
184 mb
->mbxCommand
, mb
->mbxStatus
);
185 kfree(lpfc_vpd_data
);
186 lpfc_vpd_data
= NULL
;
190 lpfc_sli_pcimem_bcopy(pmb
->context2
, lpfc_vpd_data
+ offset
,
191 mb
->un
.varDmp
.word_cnt
);
192 offset
+= mb
->un
.varDmp
.word_cnt
;
193 } while (mb
->un
.varDmp
.word_cnt
);
194 lpfc_parse_vpd(phba
, lpfc_vpd_data
);
196 kfree(lpfc_vpd_data
);
198 kfree(pmb
->context2
);
200 mempool_free(pmb
, phba
->mbox_mem_pool
);
204 /************************************************************************/
206 /* lpfc_config_port_post */
207 /* This routine will do LPFC initialization after the */
208 /* CONFIG_PORT mailbox command. This will be initialized */
209 /* as a SLI layer callback routine. */
210 /* This routine returns 0 on success. Any other return value */
211 /* indicates an error. */
213 /************************************************************************/
215 lpfc_config_port_post(struct lpfc_hba
* phba
)
219 struct lpfc_dmabuf
*mp
;
220 struct lpfc_sli
*psli
= &phba
->sli
;
221 uint32_t status
, timeout
;
224 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
226 phba
->hba_state
= LPFC_HBA_ERROR
;
231 lpfc_config_link(phba
, pmb
);
232 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
233 if (rc
!= MBX_SUCCESS
) {
234 lpfc_printf_log(phba
,
237 "%d:0447 Adapter failed init, mbxCmd x%x "
238 "CONFIG_LINK mbxStatus x%x\n",
240 mb
->mbxCommand
, mb
->mbxStatus
);
241 phba
->hba_state
= LPFC_HBA_ERROR
;
242 mempool_free( pmb
, phba
->mbox_mem_pool
);
246 /* Get login parameters for NID. */
247 lpfc_read_sparam(phba
, pmb
);
248 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
249 lpfc_printf_log(phba
,
252 "%d:0448 Adapter failed init, mbxCmd x%x "
253 "READ_SPARM mbxStatus x%x\n",
255 mb
->mbxCommand
, mb
->mbxStatus
);
256 phba
->hba_state
= LPFC_HBA_ERROR
;
257 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
258 mempool_free( pmb
, phba
->mbox_mem_pool
);
259 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
264 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
266 memcpy(&phba
->fc_sparam
, mp
->virt
, sizeof (struct serv_parm
));
267 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
269 pmb
->context1
= NULL
;
271 memcpy(&phba
->fc_nodename
, &phba
->fc_sparam
.nodeName
,
272 sizeof (struct lpfc_name
));
273 memcpy(&phba
->fc_portname
, &phba
->fc_sparam
.portName
,
274 sizeof (struct lpfc_name
));
275 /* If no serial number in VPD data, use low 6 bytes of WWNN */
276 /* This should be consolidated into parse_vpd ? - mr */
277 if (phba
->SerialNumber
[0] == 0) {
280 outptr
= &phba
->fc_nodename
.u
.s
.IEEE
[0];
281 for (i
= 0; i
< 12; i
++) {
283 j
= ((status
& 0xf0) >> 4);
285 phba
->SerialNumber
[i
] =
286 (char)((uint8_t) 0x30 + (uint8_t) j
);
288 phba
->SerialNumber
[i
] =
289 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
293 phba
->SerialNumber
[i
] =
294 (char)((uint8_t) 0x30 + (uint8_t) j
);
296 phba
->SerialNumber
[i
] =
297 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
301 /* This should turn on DELAYED ABTS for ELS timeouts */
302 lpfc_set_slim(phba
, pmb
, 0x052198, 0x1);
303 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
304 phba
->hba_state
= LPFC_HBA_ERROR
;
305 mempool_free( pmb
, phba
->mbox_mem_pool
);
310 lpfc_read_config(phba
, pmb
);
311 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
312 lpfc_printf_log(phba
,
315 "%d:0453 Adapter failed to init, mbxCmd x%x "
316 "READ_CONFIG, mbxStatus x%x\n",
318 mb
->mbxCommand
, mb
->mbxStatus
);
319 phba
->hba_state
= LPFC_HBA_ERROR
;
320 mempool_free( pmb
, phba
->mbox_mem_pool
);
324 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
325 if (phba
->cfg_hba_queue_depth
> (mb
->un
.varRdConfig
.max_xri
+1))
326 phba
->cfg_hba_queue_depth
=
327 mb
->un
.varRdConfig
.max_xri
+ 1;
329 phba
->lmt
= mb
->un
.varRdConfig
.lmt
;
330 /* HBA is not 4GB capable, or HBA is not 2GB capable,
331 don't let link speed ask for it */
332 if ((((phba
->lmt
& LMT_4250_10bit
) != LMT_4250_10bit
) &&
333 (phba
->cfg_link_speed
> LINK_SPEED_2G
)) ||
334 (((phba
->lmt
& LMT_2125_10bit
) != LMT_2125_10bit
) &&
335 (phba
->cfg_link_speed
> LINK_SPEED_1G
))) {
336 /* Reset link speed to auto. 1G/2GB HBA cfg'd for 4G */
337 lpfc_printf_log(phba
,
340 "%d:1302 Invalid speed for this board: "
341 "Reset link speed to auto: x%x\n",
343 phba
->cfg_link_speed
);
344 phba
->cfg_link_speed
= LINK_SPEED_AUTO
;
347 phba
->hba_state
= LPFC_LINK_DOWN
;
349 /* Only process IOCBs on ring 0 till hba_state is READY */
350 if (psli
->ring
[psli
->ip_ring
].cmdringaddr
)
351 psli
->ring
[psli
->ip_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
352 if (psli
->ring
[psli
->fcp_ring
].cmdringaddr
)
353 psli
->ring
[psli
->fcp_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
354 if (psli
->ring
[psli
->next_ring
].cmdringaddr
)
355 psli
->ring
[psli
->next_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
357 /* Post receive buffers for desired rings */
358 lpfc_post_rcv_buf(phba
);
360 /* Enable appropriate host interrupts */
361 spin_lock_irq(phba
->host
->host_lock
);
362 status
= readl(phba
->HCregaddr
);
363 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
364 if (psli
->num_rings
> 0)
365 status
|= HC_R0INT_ENA
;
366 if (psli
->num_rings
> 1)
367 status
|= HC_R1INT_ENA
;
368 if (psli
->num_rings
> 2)
369 status
|= HC_R2INT_ENA
;
370 if (psli
->num_rings
> 3)
371 status
|= HC_R3INT_ENA
;
373 if ((phba
->cfg_poll
& ENABLE_FCP_RING_POLLING
) &&
374 (phba
->cfg_poll
& DISABLE_FCP_RING_INT
))
375 status
&= ~(HC_R0INT_ENA
<< LPFC_FCP_RING
);
377 writel(status
, phba
->HCregaddr
);
378 readl(phba
->HCregaddr
); /* flush */
379 spin_unlock_irq(phba
->host
->host_lock
);
382 * Setup the ring 0 (els) timeout handler
384 timeout
= phba
->fc_ratov
<< 1;
385 phba
->els_tmofunc
.expires
= jiffies
+ HZ
* timeout
;
386 add_timer(&phba
->els_tmofunc
);
388 lpfc_init_link(phba
, pmb
, phba
->cfg_topology
, phba
->cfg_link_speed
);
389 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
390 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
) != MBX_SUCCESS
) {
391 lpfc_printf_log(phba
,
394 "%d:0454 Adapter failed to init, mbxCmd x%x "
395 "INIT_LINK, mbxStatus x%x\n",
397 mb
->mbxCommand
, mb
->mbxStatus
);
399 /* Clear all interrupt enable conditions */
400 writel(0, phba
->HCregaddr
);
401 readl(phba
->HCregaddr
); /* flush */
402 /* Clear all pending interrupts */
403 writel(0xffffffff, phba
->HAregaddr
);
404 readl(phba
->HAregaddr
); /* flush */
406 phba
->hba_state
= LPFC_HBA_ERROR
;
407 mempool_free(pmb
, phba
->mbox_mem_pool
);
410 /* MBOX buffer will be freed in mbox compl */
413 while ((phba
->hba_state
!= LPFC_HBA_READY
) ||
414 (phba
->num_disc_nodes
) || (phba
->fc_prli_sent
) ||
415 ((phba
->fc_map_cnt
== 0) && (i
<2)) ||
416 (psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
)) {
417 /* Check every second for 30 retries. */
422 if ((i
>= 15) && (phba
->hba_state
<= LPFC_LINK_DOWN
)) {
423 /* The link is down. Set linkdown timeout */
427 /* Delay for 1 second to give discovery time to complete. */
432 /* Since num_disc_nodes keys off of PLOGI, delay a bit to let
433 * any potential PRLIs to flush thru the SLI sub-system.
440 /************************************************************************/
442 /* lpfc_hba_down_prep */
443 /* This routine will do LPFC uninitialization before the */
444 /* HBA is reset when bringing down the SLI Layer. This will be */
445 /* initialized as a SLI layer callback routine. */
446 /* This routine returns 0 on success. Any other return value */
447 /* indicates an error. */
449 /************************************************************************/
451 lpfc_hba_down_prep(struct lpfc_hba
* phba
)
453 /* Disable interrupts */
454 writel(0, phba
->HCregaddr
);
455 readl(phba
->HCregaddr
); /* flush */
457 /* Cleanup potential discovery resources */
458 lpfc_els_flush_rscn(phba
);
459 lpfc_els_flush_cmd(phba
);
460 lpfc_disc_flush_list(phba
);
465 /************************************************************************/
467 /* lpfc_handle_eratt */
468 /* This routine will handle processing a Host Attention */
469 /* Error Status event. This will be initialized */
470 /* as a SLI layer callback routine. */
472 /************************************************************************/
474 lpfc_handle_eratt(struct lpfc_hba
* phba
)
476 struct lpfc_sli
*psli
= &phba
->sli
;
477 struct lpfc_sli_ring
*pring
;
480 * If a reset is sent to the HBA restore PCI configuration registers.
482 if ( phba
->hba_state
== LPFC_INIT_START
) {
484 readl(phba
->HCregaddr
); /* flush */
485 writel(0, phba
->HCregaddr
);
486 readl(phba
->HCregaddr
); /* flush */
488 /* Restore PCI cmd register */
489 pci_write_config_word(phba
->pcidev
,
490 PCI_COMMAND
, phba
->pci_cfg_value
);
493 if (phba
->work_hs
& HS_FFER6
) {
494 /* Re-establishing Link */
495 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
496 "%d:1301 Re-establishing Link "
497 "Data: x%x x%x x%x\n",
498 phba
->brd_no
, phba
->work_hs
,
499 phba
->work_status
[0], phba
->work_status
[1]);
500 spin_lock_irq(phba
->host
->host_lock
);
501 phba
->fc_flag
|= FC_ESTABLISH_LINK
;
502 spin_unlock_irq(phba
->host
->host_lock
);
505 * Firmware stops when it triggled erratt with HS_FFER6.
506 * That could cause the I/Os dropped by the firmware.
507 * Error iocb (I/O) on txcmplq and let the SCSI layer
508 * retry it after re-establishing link.
510 pring
= &psli
->ring
[psli
->fcp_ring
];
511 lpfc_sli_abort_iocb_ring(phba
, pring
);
515 * There was a firmware error. Take the hba offline and then
516 * attempt to restart it.
519 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
520 mod_timer(&phba
->fc_estabtmo
, jiffies
+ HZ
* 60);
524 /* The if clause above forces this code path when the status
525 * failure is a value other than FFER6. Do not call the offline
526 * twice. This is the adapter hardware error path.
528 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
529 "%d:0457 Adapter Hardware Error "
530 "Data: x%x x%x x%x\n",
531 phba
->brd_no
, phba
->work_hs
,
532 phba
->work_status
[0], phba
->work_status
[1]);
539 /************************************************************************/
541 /* lpfc_handle_latt */
542 /* This routine will handle processing a Host Attention */
543 /* Link Status event. This will be initialized */
544 /* as a SLI layer callback routine. */
546 /************************************************************************/
548 lpfc_handle_latt(struct lpfc_hba
* phba
)
550 struct lpfc_sli
*psli
= &phba
->sli
;
552 volatile uint32_t control
;
553 struct lpfc_dmabuf
*mp
;
556 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
558 goto lpfc_handle_latt_err_exit
;
560 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
562 goto lpfc_handle_latt_free_pmb
;
564 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
566 goto lpfc_handle_latt_free_mp
;
570 /* Cleanup any outstanding ELS commands */
571 lpfc_els_flush_cmd(phba
);
573 psli
->slistat
.link_event
++;
574 lpfc_read_la(phba
, pmb
, mp
);
575 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_la
;
576 rc
= lpfc_sli_issue_mbox (phba
, pmb
, (MBX_NOWAIT
| MBX_STOP_IOCB
));
577 if (rc
== MBX_NOT_FINISHED
)
578 goto lpfc_handle_latt_free_mp
;
580 /* Clear Link Attention in HA REG */
581 spin_lock_irq(phba
->host
->host_lock
);
582 writel(HA_LATT
, phba
->HAregaddr
);
583 readl(phba
->HAregaddr
); /* flush */
584 spin_unlock_irq(phba
->host
->host_lock
);
588 lpfc_handle_latt_free_mp
:
590 lpfc_handle_latt_free_pmb
:
592 lpfc_handle_latt_err_exit
:
593 /* Enable Link attention interrupts */
594 spin_lock_irq(phba
->host
->host_lock
);
595 psli
->sli_flag
|= LPFC_PROCESS_LA
;
596 control
= readl(phba
->HCregaddr
);
597 control
|= HC_LAINT_ENA
;
598 writel(control
, phba
->HCregaddr
);
599 readl(phba
->HCregaddr
); /* flush */
601 /* Clear Link Attention in HA REG */
602 writel(HA_LATT
, phba
->HAregaddr
);
603 readl(phba
->HAregaddr
); /* flush */
604 spin_unlock_irq(phba
->host
->host_lock
);
606 phba
->hba_state
= LPFC_HBA_ERROR
;
608 /* The other case is an error from issue_mbox */
610 lpfc_printf_log(phba
,
613 "%d:0300 READ_LA: no buffers\n",
619 /************************************************************************/
622 /* This routine will parse the VPD data */
624 /************************************************************************/
626 lpfc_parse_vpd(struct lpfc_hba
* phba
, uint8_t * vpd
)
628 uint8_t lenlo
, lenhi
;
638 lpfc_printf_log(phba
,
641 "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
643 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
646 switch (vpd
[index
]) {
653 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
662 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
665 /* Look for Serial Number */
666 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
673 phba
->SerialNumber
[j
++] = vpd
[index
++];
677 phba
->SerialNumber
[j
] = 0;
680 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
681 phba
->vpd_flag
|= VPD_MODEL_DESC
;
688 phba
->ModelDesc
[j
++] = vpd
[index
++];
692 phba
->ModelDesc
[j
] = 0;
695 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
696 phba
->vpd_flag
|= VPD_MODEL_NAME
;
703 phba
->ModelName
[j
++] = vpd
[index
++];
707 phba
->ModelName
[j
] = 0;
710 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
711 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
718 phba
->ProgramType
[j
++] = vpd
[index
++];
722 phba
->ProgramType
[j
] = 0;
725 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
726 phba
->vpd_flag
|= VPD_PORT
;
733 phba
->Port
[j
++] = vpd
[index
++];
757 } while (!finished
&& (index
< 108));
763 lpfc_get_hba_model_desc(struct lpfc_hba
* phba
, uint8_t * mdp
, uint8_t * descp
)
766 uint16_t dev_id
= phba
->pcidev
->device
;
767 uint16_t dev_subid
= phba
->pcidev
->subsystem_device
;
768 uint8_t hdrtype
= phba
->pcidev
->hdr_type
;
769 char *model_str
= "";
774 case PCI_DEVICE_ID_FIREFLY
:
775 model_str
= "LP6000 1Gb PCI";
777 case PCI_DEVICE_ID_SUPERFLY
:
778 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
779 model_str
= "LP7000 1Gb PCI";
781 model_str
= "LP7000E 1Gb PCI";
783 case PCI_DEVICE_ID_DRAGONFLY
:
784 model_str
= "LP8000 1Gb PCI";
786 case PCI_DEVICE_ID_CENTAUR
:
787 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
788 model_str
= "LP9002 2Gb PCI";
790 model_str
= "LP9000 1Gb PCI";
792 case PCI_DEVICE_ID_RFLY
:
793 model_str
= "LP952 2Gb PCI";
795 case PCI_DEVICE_ID_PEGASUS
:
796 model_str
= "LP9802 2Gb PCI-X";
798 case PCI_DEVICE_ID_THOR
:
800 model_str
= "LP10000DC 2Gb 2-port PCI-X";
802 model_str
= "LP10000 2Gb PCI-X";
804 case PCI_DEVICE_ID_VIPER
:
805 model_str
= "LPX1000 10Gb PCI-X";
807 case PCI_DEVICE_ID_PFLY
:
808 model_str
= "LP982 2Gb PCI-X";
810 case PCI_DEVICE_ID_TFLY
:
812 model_str
= "LP1050DC 2Gb 2-port PCI-X";
814 model_str
= "LP1050 2Gb PCI-X";
816 case PCI_DEVICE_ID_HELIOS
:
818 model_str
= "LP11002 4Gb 2-port PCI-X2";
820 model_str
= "LP11000 4Gb PCI-X2";
822 case PCI_DEVICE_ID_HELIOS_SCSP
:
823 model_str
= "LP11000-SP 4Gb PCI-X2";
825 case PCI_DEVICE_ID_HELIOS_DCSP
:
826 model_str
= "LP11002-SP 4Gb 2-port PCI-X2";
828 case PCI_DEVICE_ID_NEPTUNE
:
830 model_str
= "LPe1002 4Gb 2-port";
832 model_str
= "LPe1000 4Gb PCIe";
834 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
835 model_str
= "LPe1000-SP 4Gb PCIe";
837 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
838 model_str
= "LPe1002-SP 4Gb 2-port PCIe";
840 case PCI_DEVICE_ID_BMID
:
841 model_str
= "LP1150 4Gb PCI-X2";
843 case PCI_DEVICE_ID_BSMB
:
844 model_str
= "LP111 4Gb PCI-X2";
846 case PCI_DEVICE_ID_ZEPHYR
:
848 model_str
= "LPe11002 4Gb 2-port PCIe";
850 model_str
= "LPe11000 4Gb PCIe";
852 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
853 model_str
= "LPe11000-SP 4Gb PCIe";
855 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
856 model_str
= "LPe11002-SP 4Gb 2-port PCIe";
858 case PCI_DEVICE_ID_ZMID
:
859 model_str
= "LPe1150 4Gb PCIe";
861 case PCI_DEVICE_ID_ZSMB
:
862 model_str
= "LPe111 4Gb PCIe";
864 case PCI_DEVICE_ID_LP101
:
865 model_str
= "LP101 2Gb PCI-X";
867 case PCI_DEVICE_ID_LP10000S
:
868 model_str
= "LP10000-S 2Gb PCI";
870 case PCI_DEVICE_ID_LP11000S
:
871 case PCI_DEVICE_ID_LPE11000S
:
873 case PCI_SUBSYSTEM_ID_LP11000S
:
874 model_str
= "LP11002-S 4Gb PCI-X2";
876 case PCI_SUBSYSTEM_ID_LP11002S
:
877 model_str
= "LP11000-S 4Gb 2-port PCI-X2";
879 case PCI_SUBSYSTEM_ID_LPE11000S
:
880 model_str
= "LPe11002-S 4Gb PCIe";
882 case PCI_SUBSYSTEM_ID_LPE11002S
:
883 model_str
= "LPe11002-S 4Gb 2-port PCIe";
885 case PCI_SUBSYSTEM_ID_LPE11010S
:
886 model_str
= "LPe11010-S 4Gb 10-port PCIe";
896 sscanf(model_str
, "%s", mdp
);
898 sprintf(descp
, "Emulex %s Fibre Channel Adapter", model_str
);
901 /**************************************************/
902 /* lpfc_post_buffer */
904 /* This routine will post count buffers to the */
905 /* ring with the QUE_RING_BUF_CN command. This */
906 /* allows 3 buffers / command to be posted. */
907 /* Returns the number of buffers NOT posted. */
908 /**************************************************/
910 lpfc_post_buffer(struct lpfc_hba
* phba
, struct lpfc_sli_ring
* pring
, int cnt
,
914 struct lpfc_iocbq
*iocb
;
915 struct lpfc_dmabuf
*mp1
, *mp2
;
917 cnt
+= pring
->missbufcnt
;
919 /* While there are buffers to post */
921 /* Allocate buffer for command iocb */
922 spin_lock_irq(phba
->host
->host_lock
);
923 iocb
= lpfc_sli_get_iocbq(phba
);
924 spin_unlock_irq(phba
->host
->host_lock
);
926 pring
->missbufcnt
= cnt
;
931 /* 2 buffers can be posted per command */
932 /* Allocate buffer to post */
933 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
935 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
937 if (mp1
== 0 || mp1
->virt
== 0) {
939 spin_lock_irq(phba
->host
->host_lock
);
940 lpfc_sli_release_iocbq(phba
, iocb
);
941 spin_unlock_irq(phba
->host
->host_lock
);
942 pring
->missbufcnt
= cnt
;
946 INIT_LIST_HEAD(&mp1
->list
);
947 /* Allocate buffer to post */
949 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
951 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
953 if (mp2
== 0 || mp2
->virt
== 0) {
955 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
957 spin_lock_irq(phba
->host
->host_lock
);
958 lpfc_sli_release_iocbq(phba
, iocb
);
959 spin_unlock_irq(phba
->host
->host_lock
);
960 pring
->missbufcnt
= cnt
;
964 INIT_LIST_HEAD(&mp2
->list
);
969 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
970 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
971 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
972 icmd
->ulpBdeCount
= 1;
975 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
976 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
977 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
979 icmd
->ulpBdeCount
= 2;
982 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
985 spin_lock_irq(phba
->host
->host_lock
);
986 if (lpfc_sli_issue_iocb(phba
, pring
, iocb
, 0) == IOCB_ERROR
) {
987 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
991 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
995 lpfc_sli_release_iocbq(phba
, iocb
);
996 pring
->missbufcnt
= cnt
;
997 spin_unlock_irq(phba
->host
->host_lock
);
1000 spin_unlock_irq(phba
->host
->host_lock
);
1001 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
1003 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
1006 pring
->missbufcnt
= 0;
1010 /************************************************************************/
1012 /* lpfc_post_rcv_buf */
1013 /* This routine post initial rcv buffers to the configured rings */
1015 /************************************************************************/
1017 lpfc_post_rcv_buf(struct lpfc_hba
* phba
)
1019 struct lpfc_sli
*psli
= &phba
->sli
;
1021 /* Ring 0, ELS / CT buffers */
1022 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
, 1);
1023 /* Ring 2 - FCP no buffers needed */
1028 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1030 /************************************************************************/
1034 /************************************************************************/
1036 lpfc_sha_init(uint32_t * HashResultPointer
)
1038 HashResultPointer
[0] = 0x67452301;
1039 HashResultPointer
[1] = 0xEFCDAB89;
1040 HashResultPointer
[2] = 0x98BADCFE;
1041 HashResultPointer
[3] = 0x10325476;
1042 HashResultPointer
[4] = 0xC3D2E1F0;
1045 /************************************************************************/
1047 /* lpfc_sha_iterate */
1049 /************************************************************************/
1051 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
1055 uint32_t A
, B
, C
, D
, E
;
1058 HashWorkingPointer
[t
] =
1060 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
1062 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
1063 } while (++t
<= 79);
1065 A
= HashResultPointer
[0];
1066 B
= HashResultPointer
[1];
1067 C
= HashResultPointer
[2];
1068 D
= HashResultPointer
[3];
1069 E
= HashResultPointer
[4];
1073 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
1074 } else if (t
< 40) {
1075 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
1076 } else if (t
< 60) {
1077 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
1079 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
1081 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
1087 } while (++t
<= 79);
1089 HashResultPointer
[0] += A
;
1090 HashResultPointer
[1] += B
;
1091 HashResultPointer
[2] += C
;
1092 HashResultPointer
[3] += D
;
1093 HashResultPointer
[4] += E
;
1097 /************************************************************************/
1099 /* lpfc_challenge_key */
1101 /************************************************************************/
1103 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
1105 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
1108 /************************************************************************/
1112 /************************************************************************/
1114 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
1117 uint32_t *HashWorking
;
1118 uint32_t *pwwnn
= phba
->wwnn
;
1120 HashWorking
= kmalloc(80 * sizeof(uint32_t), GFP_KERNEL
);
1124 memset(HashWorking
, 0, (80 * sizeof(uint32_t)));
1125 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
1126 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
1128 for (t
= 0; t
< 7; t
++)
1129 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
1131 lpfc_sha_init(hbainit
);
1132 lpfc_sha_iterate(hbainit
, HashWorking
);
1137 lpfc_cleanup(struct lpfc_hba
* phba
, uint32_t save_bind
)
1139 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
1141 /* clean up phba - lpfc specific */
1142 lpfc_can_disctmo(phba
);
1143 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_nlpunmap_list
,
1145 lpfc_nlp_remove(phba
, ndlp
);
1148 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_nlpmap_list
,
1150 lpfc_nlp_remove(phba
, ndlp
);
1153 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_unused_list
,
1155 lpfc_nlp_list(phba
, ndlp
, NLP_NO_LIST
);
1158 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_plogi_list
,
1160 lpfc_nlp_remove(phba
, ndlp
);
1163 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_adisc_list
,
1165 lpfc_nlp_remove(phba
, ndlp
);
1168 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_reglogin_list
,
1170 lpfc_nlp_remove(phba
, ndlp
);
1173 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_prli_list
,
1175 lpfc_nlp_remove(phba
, ndlp
);
1178 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_npr_list
,
1180 lpfc_nlp_remove(phba
, ndlp
);
1183 INIT_LIST_HEAD(&phba
->fc_nlpmap_list
);
1184 INIT_LIST_HEAD(&phba
->fc_nlpunmap_list
);
1185 INIT_LIST_HEAD(&phba
->fc_unused_list
);
1186 INIT_LIST_HEAD(&phba
->fc_plogi_list
);
1187 INIT_LIST_HEAD(&phba
->fc_adisc_list
);
1188 INIT_LIST_HEAD(&phba
->fc_reglogin_list
);
1189 INIT_LIST_HEAD(&phba
->fc_prli_list
);
1190 INIT_LIST_HEAD(&phba
->fc_npr_list
);
1192 phba
->fc_map_cnt
= 0;
1193 phba
->fc_unmap_cnt
= 0;
1194 phba
->fc_plogi_cnt
= 0;
1195 phba
->fc_adisc_cnt
= 0;
1196 phba
->fc_reglogin_cnt
= 0;
1197 phba
->fc_prli_cnt
= 0;
1198 phba
->fc_npr_cnt
= 0;
1199 phba
->fc_unused_cnt
= 0;
1204 lpfc_establish_link_tmo(unsigned long ptr
)
1206 struct lpfc_hba
*phba
= (struct lpfc_hba
*)ptr
;
1207 unsigned long iflag
;
1210 /* Re-establishing Link, timer expired */
1211 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
1212 "%d:1300 Re-establishing Link, timer expired "
1214 phba
->brd_no
, phba
->fc_flag
, phba
->hba_state
);
1215 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
1216 phba
->fc_flag
&= ~FC_ESTABLISH_LINK
;
1217 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1221 lpfc_stop_timer(struct lpfc_hba
* phba
)
1223 struct lpfc_sli
*psli
= &phba
->sli
;
1225 /* Instead of a timer, this has been converted to a
1226 * deferred procedding list.
1228 while (!list_empty(&phba
->freebufList
)) {
1230 struct lpfc_dmabuf
*mp
= NULL
;
1232 list_remove_head((&phba
->freebufList
), mp
,
1233 struct lpfc_dmabuf
, list
);
1235 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1240 del_timer_sync(&phba
->fcp_poll_timer
);
1241 del_timer_sync(&phba
->fc_estabtmo
);
1242 del_timer_sync(&phba
->fc_disctmo
);
1243 del_timer_sync(&phba
->fc_fdmitmo
);
1244 del_timer_sync(&phba
->els_tmofunc
);
1246 del_timer_sync(&psli
->mbox_tmo
);
1251 lpfc_online(struct lpfc_hba
* phba
)
1256 if (!(phba
->fc_flag
& FC_OFFLINE_MODE
))
1259 lpfc_printf_log(phba
,
1262 "%d:0458 Bring Adapter online\n",
1265 if (!lpfc_sli_queue_setup(phba
))
1268 if (lpfc_sli_hba_setup(phba
)) /* Initialize the HBA */
1271 spin_lock_irq(phba
->host
->host_lock
);
1272 phba
->fc_flag
&= ~FC_OFFLINE_MODE
;
1273 spin_unlock_irq(phba
->host
->host_lock
);
1279 lpfc_offline(struct lpfc_hba
* phba
)
1281 struct lpfc_sli_ring
*pring
;
1282 struct lpfc_sli
*psli
;
1283 unsigned long iflag
;
1289 if (phba
->fc_flag
& FC_OFFLINE_MODE
)
1293 pring
= &psli
->ring
[psli
->fcp_ring
];
1295 lpfc_linkdown(phba
);
1297 /* The linkdown event takes 30 seconds to timeout. */
1298 while (pring
->txcmplq_cnt
) {
1304 /* stop all timers associated with this hba */
1305 lpfc_stop_timer(phba
);
1306 phba
->work_hba_events
= 0;
1308 lpfc_printf_log(phba
,
1311 "%d:0460 Bring Adapter offline\n",
1314 /* Bring down the SLI Layer and cleanup. The HBA is offline
1316 lpfc_sli_hba_down(phba
);
1317 lpfc_cleanup(phba
, 1);
1318 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
1319 phba
->fc_flag
|= FC_OFFLINE_MODE
;
1320 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1324 /******************************************************************************
1325 * Function name: lpfc_scsi_free
1327 * Description: Called from lpfc_pci_remove_one free internal driver resources
1329 ******************************************************************************/
1331 lpfc_scsi_free(struct lpfc_hba
* phba
)
1333 struct lpfc_scsi_buf
*sb
, *sb_next
;
1334 struct lpfc_iocbq
*io
, *io_next
;
1336 spin_lock_irq(phba
->host
->host_lock
);
1337 /* Release all the lpfc_scsi_bufs maintained by this host. */
1338 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
) {
1339 list_del(&sb
->list
);
1340 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
1343 phba
->total_scsi_bufs
--;
1346 /* Release all the lpfc_iocbq entries maintained by this host. */
1347 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
1348 list_del(&io
->list
);
1350 phba
->total_iocbq_bufs
--;
1353 spin_unlock_irq(phba
->host
->host_lock
);
1359 static int __devinit
1360 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
1362 struct Scsi_Host
*host
;
1363 struct lpfc_hba
*phba
;
1364 struct lpfc_sli
*psli
;
1365 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
1366 unsigned long bar0map_len
, bar2map_len
;
1367 int error
= -ENODEV
, retval
;
1371 if (pci_enable_device(pdev
))
1373 if (pci_request_regions(pdev
, LPFC_DRIVER_NAME
))
1374 goto out_disable_device
;
1376 host
= scsi_host_alloc(&lpfc_template
, sizeof (struct lpfc_hba
));
1378 goto out_release_regions
;
1380 phba
= (struct lpfc_hba
*)host
->hostdata
;
1381 memset(phba
, 0, sizeof (struct lpfc_hba
));
1384 phba
->fc_flag
|= FC_LOADING
;
1385 phba
->pcidev
= pdev
;
1387 /* Assign an unused board number */
1388 if (!idr_pre_get(&lpfc_hba_index
, GFP_KERNEL
))
1391 error
= idr_get_new(&lpfc_hba_index
, NULL
, &phba
->brd_no
);
1395 host
->unique_id
= phba
->brd_no
;
1396 init_MUTEX(&phba
->hba_can_block
);
1397 INIT_LIST_HEAD(&phba
->ctrspbuflist
);
1398 INIT_LIST_HEAD(&phba
->rnidrspbuflist
);
1399 INIT_LIST_HEAD(&phba
->freebufList
);
1401 /* Initialize timers used by driver */
1402 init_timer(&phba
->fc_estabtmo
);
1403 phba
->fc_estabtmo
.function
= lpfc_establish_link_tmo
;
1404 phba
->fc_estabtmo
.data
= (unsigned long)phba
;
1405 init_timer(&phba
->fc_disctmo
);
1406 phba
->fc_disctmo
.function
= lpfc_disc_timeout
;
1407 phba
->fc_disctmo
.data
= (unsigned long)phba
;
1409 init_timer(&phba
->fc_fdmitmo
);
1410 phba
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
1411 phba
->fc_fdmitmo
.data
= (unsigned long)phba
;
1412 init_timer(&phba
->els_tmofunc
);
1413 phba
->els_tmofunc
.function
= lpfc_els_timeout
;
1414 phba
->els_tmofunc
.data
= (unsigned long)phba
;
1416 init_timer(&psli
->mbox_tmo
);
1417 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
1418 psli
->mbox_tmo
.data
= (unsigned long)phba
;
1420 init_timer(&phba
->fcp_poll_timer
);
1421 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
1422 phba
->fcp_poll_timer
.data
= (unsigned long)phba
;
1425 * Get all the module params for configuring this host and then
1426 * establish the host parameters.
1428 lpfc_get_cfgparam(phba
);
1430 host
->max_id
= LPFC_MAX_TARGET
;
1431 host
->max_lun
= phba
->cfg_max_luns
;
1434 /* Initialize all internally managed lists. */
1435 INIT_LIST_HEAD(&phba
->fc_nlpmap_list
);
1436 INIT_LIST_HEAD(&phba
->fc_nlpunmap_list
);
1437 INIT_LIST_HEAD(&phba
->fc_unused_list
);
1438 INIT_LIST_HEAD(&phba
->fc_plogi_list
);
1439 INIT_LIST_HEAD(&phba
->fc_adisc_list
);
1440 INIT_LIST_HEAD(&phba
->fc_reglogin_list
);
1441 INIT_LIST_HEAD(&phba
->fc_prli_list
);
1442 INIT_LIST_HEAD(&phba
->fc_npr_list
);
1445 pci_set_master(pdev
);
1446 retval
= pci_set_mwi(pdev
);
1448 dev_printk(KERN_WARNING
, &pdev
->dev
,
1449 "Warning: pci_set_mwi returned %d\n", retval
);
1451 if (pci_set_dma_mask(phba
->pcidev
, DMA_64BIT_MASK
) != 0)
1452 if (pci_set_dma_mask(phba
->pcidev
, DMA_32BIT_MASK
) != 0)
1453 goto out_idr_remove
;
1456 * Get the bus address of Bar0 and Bar2 and the number of bytes
1457 * required by each mapping.
1459 phba
->pci_bar0_map
= pci_resource_start(phba
->pcidev
, 0);
1460 bar0map_len
= pci_resource_len(phba
->pcidev
, 0);
1462 phba
->pci_bar2_map
= pci_resource_start(phba
->pcidev
, 2);
1463 bar2map_len
= pci_resource_len(phba
->pcidev
, 2);
1465 /* Map HBA SLIM and Control Registers to a kernel virtual address. */
1466 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
1467 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
1469 /* Allocate memory for SLI-2 structures */
1470 phba
->slim2p
= dma_alloc_coherent(&phba
->pcidev
->dev
, SLI2_SLIM_SIZE
,
1471 &phba
->slim2p_mapping
, GFP_KERNEL
);
1475 memset(phba
->slim2p
, 0, SLI2_SLIM_SIZE
);
1477 /* Initialize the SLI Layer to run with lpfc HBAs. */
1478 lpfc_sli_setup(phba
);
1479 lpfc_sli_queue_setup(phba
);
1481 error
= lpfc_mem_alloc(phba
);
1485 /* Initialize and populate the iocb list per host. */
1486 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
1487 for (i
= 0; i
< LPFC_IOCB_LIST_CNT
; i
++) {
1488 iocbq_entry
= kmalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
1489 if (iocbq_entry
== NULL
) {
1490 printk(KERN_ERR
"%s: only allocated %d iocbs of "
1491 "expected %d count. Unloading driver.\n",
1492 __FUNCTION__
, i
, LPFC_IOCB_LIST_CNT
);
1494 goto out_free_iocbq
;
1497 memset(iocbq_entry
, 0, sizeof(struct lpfc_iocbq
));
1498 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
1500 kfree (iocbq_entry
);
1501 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
1502 "Unloading driver.\n",
1505 goto out_free_iocbq
;
1507 spin_lock_irq(phba
->host
->host_lock
);
1508 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
1509 phba
->total_iocbq_bufs
++;
1510 spin_unlock_irq(phba
->host
->host_lock
);
1513 /* Initialize HBA structure */
1514 phba
->fc_edtov
= FF_DEF_EDTOV
;
1515 phba
->fc_ratov
= FF_DEF_RATOV
;
1516 phba
->fc_altov
= FF_DEF_ALTOV
;
1517 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
1519 INIT_LIST_HEAD(&phba
->work_list
);
1520 phba
->work_ha_mask
= (HA_ERATT
|HA_MBATT
|HA_LATT
);
1521 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
1523 /* Startup the kernel thread for this host adapter. */
1524 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
1525 "lpfc_worker_%d", phba
->brd_no
);
1526 if (IS_ERR(phba
->worker_thread
)) {
1527 error
= PTR_ERR(phba
->worker_thread
);
1528 goto out_free_iocbq
;
1531 /* We can rely on a queue depth attribute only after SLI HBA setup */
1532 host
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
1534 /* Tell the midlayer we support 16 byte commands */
1535 host
->max_cmd_len
= 16;
1537 /* Initialize the list of scsi buffers used by driver for scsi IO. */
1538 spin_lock_init(&phba
->scsi_buf_list_lock
);
1539 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list
);
1541 host
->transportt
= lpfc_transport_template
;
1542 host
->hostdata
[0] = (unsigned long)phba
;
1543 pci_set_drvdata(pdev
, host
);
1544 error
= scsi_add_host(host
, &pdev
->dev
);
1546 goto out_kthread_stop
;
1548 error
= lpfc_alloc_sysfs_attr(phba
);
1550 goto out_kthread_stop
;
1552 error
= request_irq(phba
->pcidev
->irq
, lpfc_intr_handler
, SA_SHIRQ
,
1553 LPFC_DRIVER_NAME
, phba
);
1555 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1556 "%d:0451 Enable interrupt handler failed\n",
1558 goto out_free_sysfs_attr
;
1560 phba
->MBslimaddr
= phba
->slim_memmap_p
;
1561 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
1562 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
1563 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
1564 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
1566 error
= lpfc_sli_hba_setup(phba
);
1570 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
1571 spin_lock_irq(phba
->host
->host_lock
);
1572 lpfc_poll_start_timer(phba
);
1573 spin_unlock_irq(phba
->host
->host_lock
);
1577 * set fixed host attributes
1578 * Must done after lpfc_sli_hba_setup()
1581 fc_host_node_name(host
) = wwn_to_u64(phba
->fc_nodename
.u
.wwn
);
1582 fc_host_port_name(host
) = wwn_to_u64(phba
->fc_portname
.u
.wwn
);
1583 fc_host_supported_classes(host
) = FC_COS_CLASS3
;
1585 memset(fc_host_supported_fc4s(host
), 0,
1586 sizeof(fc_host_supported_fc4s(host
)));
1587 fc_host_supported_fc4s(host
)[2] = 1;
1588 fc_host_supported_fc4s(host
)[7] = 1;
1590 lpfc_get_hba_sym_node_name(phba
, fc_host_symbolic_name(host
));
1592 fc_host_supported_speeds(host
) = 0;
1593 switch (FC_JEDEC_ID(phba
->vpd
.rev
.biuRev
)) {
1594 case VIPER_JEDEC_ID
:
1595 fc_host_supported_speeds(host
) |= FC_PORTSPEED_10GBIT
;
1597 case HELIOS_JEDEC_ID
:
1598 fc_host_supported_speeds(host
) |= FC_PORTSPEED_4GBIT
;
1600 case CENTAUR_2G_JEDEC_ID
:
1601 case PEGASUS_JEDEC_ID
:
1603 fc_host_supported_speeds(host
) |= FC_PORTSPEED_2GBIT
;
1606 fc_host_supported_speeds(host
) = FC_PORTSPEED_1GBIT
;
1609 fc_host_maxframe_size(host
) =
1610 ((((uint32_t) phba
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
1611 (uint32_t) phba
->fc_sparam
.cmn
.bbRcvSizeLsb
);
1613 /* This value is also unchanging */
1614 memset(fc_host_active_fc4s(host
), 0,
1615 sizeof(fc_host_active_fc4s(host
)));
1616 fc_host_active_fc4s(host
)[2] = 1;
1617 fc_host_active_fc4s(host
)[7] = 1;
1619 spin_lock_irq(phba
->host
->host_lock
);
1620 phba
->fc_flag
&= ~FC_LOADING
;
1621 spin_unlock_irq(phba
->host
->host_lock
);
1625 lpfc_stop_timer(phba
);
1626 phba
->work_hba_events
= 0;
1627 free_irq(phba
->pcidev
->irq
, phba
);
1628 out_free_sysfs_attr
:
1629 lpfc_free_sysfs_attr(phba
);
1631 kthread_stop(phba
->worker_thread
);
1633 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
1634 &phba
->lpfc_iocb_list
, list
) {
1635 spin_lock_irq(phba
->host
->host_lock
);
1637 phba
->total_iocbq_bufs
--;
1638 spin_unlock_irq(phba
->host
->host_lock
);
1640 lpfc_mem_free(phba
);
1642 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
, phba
->slim2p
,
1643 phba
->slim2p_mapping
);
1645 iounmap(phba
->ctrl_regs_memmap_p
);
1646 iounmap(phba
->slim_memmap_p
);
1648 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
1650 scsi_host_put(host
);
1651 out_release_regions
:
1652 pci_release_regions(pdev
);
1654 pci_disable_device(pdev
);
1659 static void __devexit
1660 lpfc_pci_remove_one(struct pci_dev
*pdev
)
1662 struct Scsi_Host
*host
= pci_get_drvdata(pdev
);
1663 struct lpfc_hba
*phba
= (struct lpfc_hba
*)host
->hostdata
[0];
1664 unsigned long iflag
;
1666 lpfc_free_sysfs_attr(phba
);
1668 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
1669 phba
->fc_flag
|= FC_UNLOADING
;
1671 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1673 fc_remove_host(phba
->host
);
1674 scsi_remove_host(phba
->host
);
1676 kthread_stop(phba
->worker_thread
);
1679 * Bring down the SLI Layer. This step disable all interrupts,
1680 * clears the rings, discards all mailbox commands, and resets
1683 lpfc_sli_hba_down(phba
);
1685 /* Release the irq reservation */
1686 free_irq(phba
->pcidev
->irq
, phba
);
1688 lpfc_cleanup(phba
, 0);
1689 lpfc_stop_timer(phba
);
1690 phba
->work_hba_events
= 0;
1693 * Call scsi_free before mem_free since scsi bufs are released to their
1694 * corresponding pools here.
1696 lpfc_scsi_free(phba
);
1697 lpfc_mem_free(phba
);
1699 /* Free resources associated with SLI2 interface */
1700 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
1701 phba
->slim2p
, phba
->slim2p_mapping
);
1703 /* unmap adapter SLIM and Control Registers */
1704 iounmap(phba
->ctrl_regs_memmap_p
);
1705 iounmap(phba
->slim_memmap_p
);
1707 pci_release_regions(phba
->pcidev
);
1708 pci_disable_device(phba
->pcidev
);
1710 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
1711 scsi_host_put(phba
->host
);
1713 pci_set_drvdata(pdev
, NULL
);
1716 static struct pci_device_id lpfc_id_table
[] = {
1717 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
1718 PCI_ANY_ID
, PCI_ANY_ID
, },
1719 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
1720 PCI_ANY_ID
, PCI_ANY_ID
, },
1721 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
1722 PCI_ANY_ID
, PCI_ANY_ID
, },
1723 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
1724 PCI_ANY_ID
, PCI_ANY_ID
, },
1725 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
1726 PCI_ANY_ID
, PCI_ANY_ID
, },
1727 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
1728 PCI_ANY_ID
, PCI_ANY_ID
, },
1729 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
1730 PCI_ANY_ID
, PCI_ANY_ID
, },
1731 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
1732 PCI_ANY_ID
, PCI_ANY_ID
, },
1733 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
1734 PCI_ANY_ID
, PCI_ANY_ID
, },
1735 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
1736 PCI_ANY_ID
, PCI_ANY_ID
, },
1737 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
1738 PCI_ANY_ID
, PCI_ANY_ID
, },
1739 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
1740 PCI_ANY_ID
, PCI_ANY_ID
, },
1741 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
1742 PCI_ANY_ID
, PCI_ANY_ID
, },
1743 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
1744 PCI_ANY_ID
, PCI_ANY_ID
, },
1745 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
1746 PCI_ANY_ID
, PCI_ANY_ID
, },
1747 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
1748 PCI_ANY_ID
, PCI_ANY_ID
, },
1749 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
1750 PCI_ANY_ID
, PCI_ANY_ID
, },
1751 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
1752 PCI_ANY_ID
, PCI_ANY_ID
, },
1753 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
1754 PCI_ANY_ID
, PCI_ANY_ID
, },
1755 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
1756 PCI_ANY_ID
, PCI_ANY_ID
, },
1757 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
1758 PCI_ANY_ID
, PCI_ANY_ID
, },
1759 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
1760 PCI_ANY_ID
, PCI_ANY_ID
, },
1761 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
1762 PCI_ANY_ID
, PCI_ANY_ID
, },
1763 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
1764 PCI_ANY_ID
, PCI_ANY_ID
, },
1765 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
1766 PCI_ANY_ID
, PCI_ANY_ID
, },
1767 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
1768 PCI_ANY_ID
, PCI_ANY_ID
, },
1769 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
1770 PCI_ANY_ID
, PCI_ANY_ID
, },
1774 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
1776 static struct pci_driver lpfc_driver
= {
1777 .name
= LPFC_DRIVER_NAME
,
1778 .id_table
= lpfc_id_table
,
1779 .probe
= lpfc_pci_probe_one
,
1780 .remove
= __devexit_p(lpfc_pci_remove_one
),
1788 printk(LPFC_MODULE_DESC
"\n");
1789 printk(LPFC_COPYRIGHT
"\n");
1791 lpfc_transport_template
=
1792 fc_attach_transport(&lpfc_transport_functions
);
1793 if (!lpfc_transport_template
)
1795 error
= pci_register_driver(&lpfc_driver
);
1797 fc_release_transport(lpfc_transport_template
);
1805 pci_unregister_driver(&lpfc_driver
);
1806 fc_release_transport(lpfc_transport_template
);
1809 module_init(lpfc_init
);
1810 module_exit(lpfc_exit
);
1811 MODULE_LICENSE("GPL");
1812 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
1813 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
1814 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);