1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2006 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
9 * This program is free software; you can redistribute it and/or *
10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
20 *******************************************************************/
22 #include <linux/blkdev.h>
23 #include <linux/delay.h>
24 #include <linux/dma-mapping.h>
25 #include <linux/idr.h>
26 #include <linux/interrupt.h>
27 #include <linux/kthread.h>
28 #include <linux/pci.h>
29 #include <linux/spinlock.h>
31 #include <scsi/scsi.h>
32 #include <scsi/scsi_device.h>
33 #include <scsi/scsi_host.h>
34 #include <scsi/scsi_transport_fc.h>
38 #include "lpfc_disc.h"
39 #include "lpfc_scsi.h"
41 #include "lpfc_logmsg.h"
42 #include "lpfc_crtn.h"
43 #include "lpfc_version.h"
45 static int lpfc_parse_vpd(struct lpfc_hba
*, uint8_t *, int);
46 static void lpfc_get_hba_model_desc(struct lpfc_hba
*, uint8_t *, uint8_t *);
47 static int lpfc_post_rcv_buf(struct lpfc_hba
*);
49 static struct scsi_transport_template
*lpfc_transport_template
= NULL
;
50 static DEFINE_IDR(lpfc_hba_index
);
52 /************************************************************************/
54 /* lpfc_config_port_prep */
55 /* This routine will do LPFC initialization prior to the */
56 /* CONFIG_PORT mailbox command. This will be initialized */
57 /* as a SLI layer callback routine. */
58 /* This routine returns 0 on success or -ERESTART if it wants */
59 /* the SLI layer to reset the HBA and try again. Any */
60 /* other return value indicates an error. */
62 /************************************************************************/
64 lpfc_config_port_prep(struct lpfc_hba
* phba
)
66 lpfc_vpd_t
*vp
= &phba
->vpd
;
70 char *lpfc_vpd_data
= NULL
;
72 static char licensed
[56] =
73 "key unlock for use with gnu public licensed code only\0";
74 static int init_key
= 1;
76 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
78 phba
->hba_state
= LPFC_HBA_ERROR
;
83 phba
->hba_state
= LPFC_INIT_MBX_CMDS
;
85 if (lpfc_is_LC_HBA(phba
->pcidev
->device
)) {
87 uint32_t *ptext
= (uint32_t *) licensed
;
89 for (i
= 0; i
< 56; i
+= sizeof (uint32_t), ptext
++)
90 *ptext
= cpu_to_be32(*ptext
);
94 lpfc_read_nv(phba
, pmb
);
95 memset((char*)mb
->un
.varRDnvp
.rsvd3
, 0,
96 sizeof (mb
->un
.varRDnvp
.rsvd3
));
97 memcpy((char*)mb
->un
.varRDnvp
.rsvd3
, licensed
,
100 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
102 if (rc
!= MBX_SUCCESS
) {
103 lpfc_printf_log(phba
,
106 "%d:0324 Config Port initialization "
107 "error, mbxCmd x%x READ_NVPARM, "
110 mb
->mbxCommand
, mb
->mbxStatus
);
111 mempool_free(pmb
, phba
->mbox_mem_pool
);
114 memcpy(phba
->wwnn
, (char *)mb
->un
.varRDnvp
.nodename
,
115 sizeof (mb
->un
.varRDnvp
.nodename
));
118 /* Setup and issue mailbox READ REV command */
119 lpfc_read_rev(phba
, pmb
);
120 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
121 if (rc
!= MBX_SUCCESS
) {
122 lpfc_printf_log(phba
,
125 "%d:0439 Adapter failed to init, mbxCmd x%x "
126 "READ_REV, mbxStatus x%x\n",
128 mb
->mbxCommand
, mb
->mbxStatus
);
129 mempool_free( pmb
, phba
->mbox_mem_pool
);
134 * The value of rr must be 1 since the driver set the cv field to 1.
135 * This setting requires the FW to set all revision fields.
137 if (mb
->un
.varRdRev
.rr
== 0) {
139 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
140 "%d:0440 Adapter failed to init, READ_REV has "
141 "missing revision information.\n",
143 mempool_free(pmb
, phba
->mbox_mem_pool
);
147 /* Save information as VPD data */
149 vp
->rev
.sli1FwRev
= mb
->un
.varRdRev
.sli1FwRev
;
150 memcpy(vp
->rev
.sli1FwName
, (char*) mb
->un
.varRdRev
.sli1FwName
, 16);
151 vp
->rev
.sli2FwRev
= mb
->un
.varRdRev
.sli2FwRev
;
152 memcpy(vp
->rev
.sli2FwName
, (char *) mb
->un
.varRdRev
.sli2FwName
, 16);
153 vp
->rev
.biuRev
= mb
->un
.varRdRev
.biuRev
;
154 vp
->rev
.smRev
= mb
->un
.varRdRev
.smRev
;
155 vp
->rev
.smFwRev
= mb
->un
.varRdRev
.un
.smFwRev
;
156 vp
->rev
.endecRev
= mb
->un
.varRdRev
.endecRev
;
157 vp
->rev
.fcphHigh
= mb
->un
.varRdRev
.fcphHigh
;
158 vp
->rev
.fcphLow
= mb
->un
.varRdRev
.fcphLow
;
159 vp
->rev
.feaLevelHigh
= mb
->un
.varRdRev
.feaLevelHigh
;
160 vp
->rev
.feaLevelLow
= mb
->un
.varRdRev
.feaLevelLow
;
161 vp
->rev
.postKernRev
= mb
->un
.varRdRev
.postKernRev
;
162 vp
->rev
.opFwRev
= mb
->un
.varRdRev
.opFwRev
;
164 if (lpfc_is_LC_HBA(phba
->pcidev
->device
))
165 memcpy(phba
->RandomData
, (char *)&mb
->un
.varWords
[24],
166 sizeof (phba
->RandomData
));
168 /* Get adapter VPD information */
169 pmb
->context2
= kmalloc(DMP_RSP_SIZE
, GFP_KERNEL
);
172 lpfc_vpd_data
= kmalloc(DMP_VPD_SIZE
, GFP_KERNEL
);
174 goto out_free_context2
;
177 lpfc_dump_mem(phba
, pmb
, offset
);
178 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
180 if (rc
!= MBX_SUCCESS
) {
181 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
182 "%d:0441 VPD not present on adapter, "
183 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
185 mb
->mbxCommand
, mb
->mbxStatus
);
186 mb
->un
.varDmp
.word_cnt
= 0;
188 if (mb
->un
.varDmp
.word_cnt
> DMP_VPD_SIZE
- offset
)
189 mb
->un
.varDmp
.word_cnt
= DMP_VPD_SIZE
- offset
;
190 lpfc_sli_pcimem_bcopy(pmb
->context2
, lpfc_vpd_data
+ offset
,
191 mb
->un
.varDmp
.word_cnt
);
192 offset
+= mb
->un
.varDmp
.word_cnt
;
193 } while (mb
->un
.varDmp
.word_cnt
&& offset
< DMP_VPD_SIZE
);
194 lpfc_parse_vpd(phba
, lpfc_vpd_data
, offset
);
196 kfree(lpfc_vpd_data
);
198 kfree(pmb
->context2
);
200 mempool_free(pmb
, phba
->mbox_mem_pool
);
204 /************************************************************************/
206 /* lpfc_config_port_post */
207 /* This routine will do LPFC initialization after the */
208 /* CONFIG_PORT mailbox command. This will be initialized */
209 /* as a SLI layer callback routine. */
210 /* This routine returns 0 on success. Any other return value */
211 /* indicates an error. */
213 /************************************************************************/
215 lpfc_config_port_post(struct lpfc_hba
* phba
)
219 struct lpfc_dmabuf
*mp
;
220 struct lpfc_sli
*psli
= &phba
->sli
;
221 uint32_t status
, timeout
;
224 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
226 phba
->hba_state
= LPFC_HBA_ERROR
;
231 lpfc_config_link(phba
, pmb
);
232 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
233 if (rc
!= MBX_SUCCESS
) {
234 lpfc_printf_log(phba
,
237 "%d:0447 Adapter failed init, mbxCmd x%x "
238 "CONFIG_LINK mbxStatus x%x\n",
240 mb
->mbxCommand
, mb
->mbxStatus
);
241 phba
->hba_state
= LPFC_HBA_ERROR
;
242 mempool_free( pmb
, phba
->mbox_mem_pool
);
246 /* Get login parameters for NID. */
247 lpfc_read_sparam(phba
, pmb
);
248 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
249 lpfc_printf_log(phba
,
252 "%d:0448 Adapter failed init, mbxCmd x%x "
253 "READ_SPARM mbxStatus x%x\n",
255 mb
->mbxCommand
, mb
->mbxStatus
);
256 phba
->hba_state
= LPFC_HBA_ERROR
;
257 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
258 mempool_free( pmb
, phba
->mbox_mem_pool
);
259 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
264 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
266 memcpy(&phba
->fc_sparam
, mp
->virt
, sizeof (struct serv_parm
));
267 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
269 pmb
->context1
= NULL
;
271 if (phba
->cfg_soft_wwpn
)
272 u64_to_wwn(phba
->cfg_soft_wwpn
, phba
->fc_sparam
.portName
.u
.wwn
);
273 memcpy(&phba
->fc_nodename
, &phba
->fc_sparam
.nodeName
,
274 sizeof (struct lpfc_name
));
275 memcpy(&phba
->fc_portname
, &phba
->fc_sparam
.portName
,
276 sizeof (struct lpfc_name
));
277 /* If no serial number in VPD data, use low 6 bytes of WWNN */
278 /* This should be consolidated into parse_vpd ? - mr */
279 if (phba
->SerialNumber
[0] == 0) {
282 outptr
= &phba
->fc_nodename
.u
.s
.IEEE
[0];
283 for (i
= 0; i
< 12; i
++) {
285 j
= ((status
& 0xf0) >> 4);
287 phba
->SerialNumber
[i
] =
288 (char)((uint8_t) 0x30 + (uint8_t) j
);
290 phba
->SerialNumber
[i
] =
291 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
295 phba
->SerialNumber
[i
] =
296 (char)((uint8_t) 0x30 + (uint8_t) j
);
298 phba
->SerialNumber
[i
] =
299 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
303 lpfc_read_config(phba
, pmb
);
304 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
305 lpfc_printf_log(phba
,
308 "%d:0453 Adapter failed to init, mbxCmd x%x "
309 "READ_CONFIG, mbxStatus x%x\n",
311 mb
->mbxCommand
, mb
->mbxStatus
);
312 phba
->hba_state
= LPFC_HBA_ERROR
;
313 mempool_free( pmb
, phba
->mbox_mem_pool
);
317 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
318 if (phba
->cfg_hba_queue_depth
> (mb
->un
.varRdConfig
.max_xri
+1))
319 phba
->cfg_hba_queue_depth
=
320 mb
->un
.varRdConfig
.max_xri
+ 1;
322 phba
->lmt
= mb
->un
.varRdConfig
.lmt
;
324 /* Get the default values for Model Name and Description */
325 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
327 if ((phba
->cfg_link_speed
> LINK_SPEED_10G
)
328 || ((phba
->cfg_link_speed
== LINK_SPEED_1G
)
329 && !(phba
->lmt
& LMT_1Gb
))
330 || ((phba
->cfg_link_speed
== LINK_SPEED_2G
)
331 && !(phba
->lmt
& LMT_2Gb
))
332 || ((phba
->cfg_link_speed
== LINK_SPEED_4G
)
333 && !(phba
->lmt
& LMT_4Gb
))
334 || ((phba
->cfg_link_speed
== LINK_SPEED_8G
)
335 && !(phba
->lmt
& LMT_8Gb
))
336 || ((phba
->cfg_link_speed
== LINK_SPEED_10G
)
337 && !(phba
->lmt
& LMT_10Gb
))) {
338 /* Reset link speed to auto */
339 lpfc_printf_log(phba
,
342 "%d:1302 Invalid speed for this board: "
343 "Reset link speed to auto: x%x\n",
345 phba
->cfg_link_speed
);
346 phba
->cfg_link_speed
= LINK_SPEED_AUTO
;
349 phba
->hba_state
= LPFC_LINK_DOWN
;
351 /* Only process IOCBs on ring 0 till hba_state is READY */
352 if (psli
->ring
[psli
->ip_ring
].cmdringaddr
)
353 psli
->ring
[psli
->ip_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
354 if (psli
->ring
[psli
->fcp_ring
].cmdringaddr
)
355 psli
->ring
[psli
->fcp_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
356 if (psli
->ring
[psli
->next_ring
].cmdringaddr
)
357 psli
->ring
[psli
->next_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
359 /* Post receive buffers for desired rings */
360 lpfc_post_rcv_buf(phba
);
362 /* Enable appropriate host interrupts */
363 spin_lock_irq(phba
->host
->host_lock
);
364 status
= readl(phba
->HCregaddr
);
365 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
366 if (psli
->num_rings
> 0)
367 status
|= HC_R0INT_ENA
;
368 if (psli
->num_rings
> 1)
369 status
|= HC_R1INT_ENA
;
370 if (psli
->num_rings
> 2)
371 status
|= HC_R2INT_ENA
;
372 if (psli
->num_rings
> 3)
373 status
|= HC_R3INT_ENA
;
375 if ((phba
->cfg_poll
& ENABLE_FCP_RING_POLLING
) &&
376 (phba
->cfg_poll
& DISABLE_FCP_RING_INT
))
377 status
&= ~(HC_R0INT_ENA
<< LPFC_FCP_RING
);
379 writel(status
, phba
->HCregaddr
);
380 readl(phba
->HCregaddr
); /* flush */
381 spin_unlock_irq(phba
->host
->host_lock
);
384 * Setup the ring 0 (els) timeout handler
386 timeout
= phba
->fc_ratov
<< 1;
387 phba
->els_tmofunc
.expires
= jiffies
+ HZ
* timeout
;
388 add_timer(&phba
->els_tmofunc
);
390 lpfc_init_link(phba
, pmb
, phba
->cfg_topology
, phba
->cfg_link_speed
);
391 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
392 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
393 if (rc
!= MBX_SUCCESS
) {
394 lpfc_printf_log(phba
,
397 "%d:0454 Adapter failed to init, mbxCmd x%x "
398 "INIT_LINK, mbxStatus x%x\n",
400 mb
->mbxCommand
, mb
->mbxStatus
);
402 /* Clear all interrupt enable conditions */
403 writel(0, phba
->HCregaddr
);
404 readl(phba
->HCregaddr
); /* flush */
405 /* Clear all pending interrupts */
406 writel(0xffffffff, phba
->HAregaddr
);
407 readl(phba
->HAregaddr
); /* flush */
409 phba
->hba_state
= LPFC_HBA_ERROR
;
411 mempool_free(pmb
, phba
->mbox_mem_pool
);
414 /* MBOX buffer will be freed in mbox compl */
420 lpfc_discovery_wait(struct lpfc_hba
*phba
)
424 while ((phba
->hba_state
!= LPFC_HBA_READY
) ||
425 (phba
->num_disc_nodes
) || (phba
->fc_prli_sent
) ||
426 ((phba
->fc_map_cnt
== 0) && (i
<2)) ||
427 (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
)) {
428 /* Check every second for 30 retries. */
433 if ((i
>= 15) && (phba
->hba_state
<= LPFC_LINK_DOWN
)) {
434 /* The link is down. Set linkdown timeout */
438 /* Delay for 1 second to give discovery time to complete. */
446 /************************************************************************/
448 /* lpfc_hba_down_prep */
449 /* This routine will do LPFC uninitialization before the */
450 /* HBA is reset when bringing down the SLI Layer. This will be */
451 /* initialized as a SLI layer callback routine. */
452 /* This routine returns 0 on success. Any other return value */
453 /* indicates an error. */
455 /************************************************************************/
457 lpfc_hba_down_prep(struct lpfc_hba
* phba
)
459 /* Disable interrupts */
460 writel(0, phba
->HCregaddr
);
461 readl(phba
->HCregaddr
); /* flush */
463 /* Cleanup potential discovery resources */
464 lpfc_els_flush_rscn(phba
);
465 lpfc_els_flush_cmd(phba
);
466 lpfc_disc_flush_list(phba
);
471 /************************************************************************/
473 /* lpfc_hba_down_post */
474 /* This routine will do uninitialization after the HBA is reset */
475 /* when bringing down the SLI Layer. */
476 /* This routine returns 0 on success. Any other return value */
477 /* indicates an error. */
479 /************************************************************************/
481 lpfc_hba_down_post(struct lpfc_hba
* phba
)
483 struct lpfc_sli
*psli
= &phba
->sli
;
484 struct lpfc_sli_ring
*pring
;
485 struct lpfc_dmabuf
*mp
, *next_mp
;
488 /* Cleanup preposted buffers on the ELS ring */
489 pring
= &psli
->ring
[LPFC_ELS_RING
];
490 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
492 pring
->postbufq_cnt
--;
493 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
497 for (i
= 0; i
< psli
->num_rings
; i
++) {
498 pring
= &psli
->ring
[i
];
499 lpfc_sli_abort_iocb_ring(phba
, pring
);
505 /************************************************************************/
507 /* lpfc_handle_eratt */
508 /* This routine will handle processing a Host Attention */
509 /* Error Status event. This will be initialized */
510 /* as a SLI layer callback routine. */
512 /************************************************************************/
514 lpfc_handle_eratt(struct lpfc_hba
* phba
)
516 struct lpfc_sli
*psli
= &phba
->sli
;
517 struct lpfc_sli_ring
*pring
;
520 if (phba
->work_hs
& HS_FFER6
) {
521 /* Re-establishing Link */
522 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
523 "%d:1301 Re-establishing Link "
524 "Data: x%x x%x x%x\n",
525 phba
->brd_no
, phba
->work_hs
,
526 phba
->work_status
[0], phba
->work_status
[1]);
527 spin_lock_irq(phba
->host
->host_lock
);
528 phba
->fc_flag
|= FC_ESTABLISH_LINK
;
529 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
530 spin_unlock_irq(phba
->host
->host_lock
);
533 * Firmware stops when it triggled erratt with HS_FFER6.
534 * That could cause the I/Os dropped by the firmware.
535 * Error iocb (I/O) on txcmplq and let the SCSI layer
536 * retry it after re-establishing link.
538 pring
= &psli
->ring
[psli
->fcp_ring
];
539 lpfc_sli_abort_iocb_ring(phba
, pring
);
543 * There was a firmware error. Take the hba offline and then
544 * attempt to restart it.
547 lpfc_sli_brdrestart(phba
);
548 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
549 mod_timer(&phba
->fc_estabtmo
, jiffies
+ HZ
* 60);
553 /* The if clause above forces this code path when the status
554 * failure is a value other than FFER6. Do not call the offline
555 * twice. This is the adapter hardware error path.
557 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
558 "%d:0457 Adapter Hardware Error "
559 "Data: x%x x%x x%x\n",
560 phba
->brd_no
, phba
->work_hs
,
561 phba
->work_status
[0], phba
->work_status
[1]);
563 event_data
= FC_REG_DUMP_EVENT
;
564 fc_host_post_vendor_event(phba
->host
, fc_get_event_number(),
565 sizeof(event_data
), (char *) &event_data
,
566 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
568 psli
->sli_flag
&= ~LPFC_SLI2_ACTIVE
;
570 phba
->hba_state
= LPFC_HBA_ERROR
;
571 lpfc_hba_down_post(phba
);
575 /************************************************************************/
577 /* lpfc_handle_latt */
578 /* This routine will handle processing a Host Attention */
579 /* Link Status event. This will be initialized */
580 /* as a SLI layer callback routine. */
582 /************************************************************************/
584 lpfc_handle_latt(struct lpfc_hba
* phba
)
586 struct lpfc_sli
*psli
= &phba
->sli
;
588 volatile uint32_t control
;
589 struct lpfc_dmabuf
*mp
;
592 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
594 goto lpfc_handle_latt_err_exit
;
596 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
598 goto lpfc_handle_latt_free_pmb
;
600 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
602 goto lpfc_handle_latt_free_mp
;
606 /* Cleanup any outstanding ELS commands */
607 lpfc_els_flush_cmd(phba
);
609 psli
->slistat
.link_event
++;
610 lpfc_read_la(phba
, pmb
, mp
);
611 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_la
;
612 rc
= lpfc_sli_issue_mbox (phba
, pmb
, (MBX_NOWAIT
| MBX_STOP_IOCB
));
613 if (rc
== MBX_NOT_FINISHED
)
614 goto lpfc_handle_latt_free_mp
;
616 /* Clear Link Attention in HA REG */
617 spin_lock_irq(phba
->host
->host_lock
);
618 writel(HA_LATT
, phba
->HAregaddr
);
619 readl(phba
->HAregaddr
); /* flush */
620 spin_unlock_irq(phba
->host
->host_lock
);
624 lpfc_handle_latt_free_mp
:
626 lpfc_handle_latt_free_pmb
:
628 lpfc_handle_latt_err_exit
:
629 /* Enable Link attention interrupts */
630 spin_lock_irq(phba
->host
->host_lock
);
631 psli
->sli_flag
|= LPFC_PROCESS_LA
;
632 control
= readl(phba
->HCregaddr
);
633 control
|= HC_LAINT_ENA
;
634 writel(control
, phba
->HCregaddr
);
635 readl(phba
->HCregaddr
); /* flush */
637 /* Clear Link Attention in HA REG */
638 writel(HA_LATT
, phba
->HAregaddr
);
639 readl(phba
->HAregaddr
); /* flush */
640 spin_unlock_irq(phba
->host
->host_lock
);
642 phba
->hba_state
= LPFC_HBA_ERROR
;
644 /* The other case is an error from issue_mbox */
646 lpfc_printf_log(phba
,
649 "%d:0300 READ_LA: no buffers\n",
655 /************************************************************************/
658 /* This routine will parse the VPD data */
660 /************************************************************************/
662 lpfc_parse_vpd(struct lpfc_hba
* phba
, uint8_t * vpd
, int len
)
664 uint8_t lenlo
, lenhi
;
674 lpfc_printf_log(phba
,
677 "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
679 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
681 while (!finished
&& (index
< (len
- 4))) {
682 switch (vpd
[index
]) {
690 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
699 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
700 if (Length
> len
- index
)
701 Length
= len
- index
;
703 /* Look for Serial Number */
704 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
711 phba
->SerialNumber
[j
++] = vpd
[index
++];
715 phba
->SerialNumber
[j
] = 0;
718 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
719 phba
->vpd_flag
|= VPD_MODEL_DESC
;
726 phba
->ModelDesc
[j
++] = vpd
[index
++];
730 phba
->ModelDesc
[j
] = 0;
733 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
734 phba
->vpd_flag
|= VPD_MODEL_NAME
;
741 phba
->ModelName
[j
++] = vpd
[index
++];
745 phba
->ModelName
[j
] = 0;
748 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
749 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
756 phba
->ProgramType
[j
++] = vpd
[index
++];
760 phba
->ProgramType
[j
] = 0;
763 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
764 phba
->vpd_flag
|= VPD_PORT
;
771 phba
->Port
[j
++] = vpd
[index
++];
801 lpfc_get_hba_model_desc(struct lpfc_hba
* phba
, uint8_t * mdp
, uint8_t * descp
)
804 uint16_t dev_id
= phba
->pcidev
->device
;
805 uint16_t dev_subid
= phba
->pcidev
->subsystem_device
;
814 } m
= {"<Unknown>", 0, "", ""};
816 pci_read_config_byte(phba
->pcidev
, PCI_HEADER_TYPE
, &hdrtype
);
817 ports
= (hdrtype
== 0x80) ? "2-port " : "";
818 if (mdp
&& mdp
[0] != '\0'
819 && descp
&& descp
[0] != '\0')
822 if (phba
->lmt
& LMT_10Gb
)
824 else if (phba
->lmt
& LMT_8Gb
)
826 else if (phba
->lmt
& LMT_4Gb
)
828 else if (phba
->lmt
& LMT_2Gb
)
836 case PCI_DEVICE_ID_FIREFLY
:
837 m
= (typeof(m
)){"LP6000", max_speed
, "", "PCI"};
839 case PCI_DEVICE_ID_SUPERFLY
:
840 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
841 m
= (typeof(m
)){"LP7000", max_speed
, "", "PCI"};
843 m
= (typeof(m
)){"LP7000E", max_speed
, "", "PCI"};
845 case PCI_DEVICE_ID_DRAGONFLY
:
846 m
= (typeof(m
)){"LP8000", max_speed
, "", "PCI"};
848 case PCI_DEVICE_ID_CENTAUR
:
849 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
850 m
= (typeof(m
)){"LP9002", max_speed
, "", "PCI"};
852 m
= (typeof(m
)){"LP9000", max_speed
, "", "PCI"};
854 case PCI_DEVICE_ID_RFLY
:
855 m
= (typeof(m
)){"LP952", max_speed
, "", "PCI"};
857 case PCI_DEVICE_ID_PEGASUS
:
858 m
= (typeof(m
)){"LP9802", max_speed
, "", "PCI-X"};
860 case PCI_DEVICE_ID_THOR
:
862 m
= (typeof(m
)){"LP10000DC",
863 max_speed
, ports
, "PCI-X"};
865 m
= (typeof(m
)){"LP10000",
866 max_speed
, ports
, "PCI-X"};
868 case PCI_DEVICE_ID_VIPER
:
869 m
= (typeof(m
)){"LPX1000", max_speed
, "", "PCI-X"};
871 case PCI_DEVICE_ID_PFLY
:
872 m
= (typeof(m
)){"LP982", max_speed
, "", "PCI-X"};
874 case PCI_DEVICE_ID_TFLY
:
876 m
= (typeof(m
)){"LP1050DC", max_speed
, ports
, "PCI-X"};
878 m
= (typeof(m
)){"LP1050", max_speed
, ports
, "PCI-X"};
880 case PCI_DEVICE_ID_HELIOS
:
882 m
= (typeof(m
)){"LP11002", max_speed
, ports
, "PCI-X2"};
884 m
= (typeof(m
)){"LP11000", max_speed
, ports
, "PCI-X2"};
886 case PCI_DEVICE_ID_HELIOS_SCSP
:
887 m
= (typeof(m
)){"LP11000-SP", max_speed
, ports
, "PCI-X2"};
889 case PCI_DEVICE_ID_HELIOS_DCSP
:
890 m
= (typeof(m
)){"LP11002-SP", max_speed
, ports
, "PCI-X2"};
892 case PCI_DEVICE_ID_NEPTUNE
:
894 m
= (typeof(m
)){"LPe1002", max_speed
, ports
, "PCIe"};
896 m
= (typeof(m
)){"LPe1000", max_speed
, ports
, "PCIe"};
898 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
899 m
= (typeof(m
)){"LPe1000-SP", max_speed
, ports
, "PCIe"};
901 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
902 m
= (typeof(m
)){"LPe1002-SP", max_speed
, ports
, "PCIe"};
904 case PCI_DEVICE_ID_BMID
:
905 m
= (typeof(m
)){"LP1150", max_speed
, ports
, "PCI-X2"};
907 case PCI_DEVICE_ID_BSMB
:
908 m
= (typeof(m
)){"LP111", max_speed
, ports
, "PCI-X2"};
910 case PCI_DEVICE_ID_ZEPHYR
:
912 m
= (typeof(m
)){"LPe11002", max_speed
, ports
, "PCIe"};
914 m
= (typeof(m
)){"LPe11000", max_speed
, ports
, "PCIe"};
916 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
917 m
= (typeof(m
)){"LPe11000", max_speed
, ports
, "PCIe"};
919 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
920 m
= (typeof(m
)){"LPe11002-SP", max_speed
, ports
, "PCIe"};
922 case PCI_DEVICE_ID_ZMID
:
923 m
= (typeof(m
)){"LPe1150", max_speed
, ports
, "PCIe"};
925 case PCI_DEVICE_ID_ZSMB
:
926 m
= (typeof(m
)){"LPe111", max_speed
, ports
, "PCIe"};
928 case PCI_DEVICE_ID_LP101
:
929 m
= (typeof(m
)){"LP101", max_speed
, ports
, "PCI-X"};
931 case PCI_DEVICE_ID_LP10000S
:
932 m
= (typeof(m
)){"LP10000-S", max_speed
, ports
, "PCI"};
934 case PCI_DEVICE_ID_LP11000S
:
935 case PCI_DEVICE_ID_LPE11000S
:
937 case PCI_SUBSYSTEM_ID_LP11000S
:
938 m
= (typeof(m
)){"LP11000-S", max_speed
,
941 case PCI_SUBSYSTEM_ID_LP11002S
:
942 m
= (typeof(m
)){"LP11002-S", max_speed
,
945 case PCI_SUBSYSTEM_ID_LPE11000S
:
946 m
= (typeof(m
)){"LPe11000-S", max_speed
,
949 case PCI_SUBSYSTEM_ID_LPE11002S
:
950 m
= (typeof(m
)){"LPe11002-S", max_speed
,
953 case PCI_SUBSYSTEM_ID_LPE11010S
:
954 m
= (typeof(m
)){"LPe11010-S", max_speed
,
958 m
= (typeof(m
)){ NULL
};
963 m
= (typeof(m
)){ NULL
};
967 if (mdp
&& mdp
[0] == '\0')
968 snprintf(mdp
, 79,"%s", m
.name
);
969 if (descp
&& descp
[0] == '\0')
971 "Emulex %s %dGb %s%s Fibre Channel Adapter",
972 m
.name
, m
.max_speed
, m
.ports
, m
.bus
);
975 /**************************************************/
976 /* lpfc_post_buffer */
978 /* This routine will post count buffers to the */
979 /* ring with the QUE_RING_BUF_CN command. This */
980 /* allows 3 buffers / command to be posted. */
981 /* Returns the number of buffers NOT posted. */
982 /**************************************************/
984 lpfc_post_buffer(struct lpfc_hba
* phba
, struct lpfc_sli_ring
* pring
, int cnt
,
988 struct lpfc_iocbq
*iocb
;
989 struct lpfc_dmabuf
*mp1
, *mp2
;
991 cnt
+= pring
->missbufcnt
;
993 /* While there are buffers to post */
995 /* Allocate buffer for command iocb */
996 spin_lock_irq(phba
->host
->host_lock
);
997 iocb
= lpfc_sli_get_iocbq(phba
);
998 spin_unlock_irq(phba
->host
->host_lock
);
1000 pring
->missbufcnt
= cnt
;
1005 /* 2 buffers can be posted per command */
1006 /* Allocate buffer to post */
1007 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
1009 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
1011 if (mp1
== 0 || mp1
->virt
== 0) {
1013 spin_lock_irq(phba
->host
->host_lock
);
1014 lpfc_sli_release_iocbq(phba
, iocb
);
1015 spin_unlock_irq(phba
->host
->host_lock
);
1016 pring
->missbufcnt
= cnt
;
1020 INIT_LIST_HEAD(&mp1
->list
);
1021 /* Allocate buffer to post */
1023 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
1025 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
1027 if (mp2
== 0 || mp2
->virt
== 0) {
1029 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1031 spin_lock_irq(phba
->host
->host_lock
);
1032 lpfc_sli_release_iocbq(phba
, iocb
);
1033 spin_unlock_irq(phba
->host
->host_lock
);
1034 pring
->missbufcnt
= cnt
;
1038 INIT_LIST_HEAD(&mp2
->list
);
1043 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
1044 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
1045 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
1046 icmd
->ulpBdeCount
= 1;
1049 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
1050 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
1051 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
1053 icmd
->ulpBdeCount
= 2;
1056 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
1059 spin_lock_irq(phba
->host
->host_lock
);
1060 if (lpfc_sli_issue_iocb(phba
, pring
, iocb
, 0) == IOCB_ERROR
) {
1061 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
1065 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
1069 lpfc_sli_release_iocbq(phba
, iocb
);
1070 pring
->missbufcnt
= cnt
;
1071 spin_unlock_irq(phba
->host
->host_lock
);
1074 spin_unlock_irq(phba
->host
->host_lock
);
1075 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
1077 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
1080 pring
->missbufcnt
= 0;
1084 /************************************************************************/
1086 /* lpfc_post_rcv_buf */
1087 /* This routine post initial rcv buffers to the configured rings */
1089 /************************************************************************/
1091 lpfc_post_rcv_buf(struct lpfc_hba
* phba
)
1093 struct lpfc_sli
*psli
= &phba
->sli
;
1095 /* Ring 0, ELS / CT buffers */
1096 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
, 1);
1097 /* Ring 2 - FCP no buffers needed */
1102 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1104 /************************************************************************/
1108 /************************************************************************/
1110 lpfc_sha_init(uint32_t * HashResultPointer
)
1112 HashResultPointer
[0] = 0x67452301;
1113 HashResultPointer
[1] = 0xEFCDAB89;
1114 HashResultPointer
[2] = 0x98BADCFE;
1115 HashResultPointer
[3] = 0x10325476;
1116 HashResultPointer
[4] = 0xC3D2E1F0;
1119 /************************************************************************/
1121 /* lpfc_sha_iterate */
1123 /************************************************************************/
1125 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
1129 uint32_t A
, B
, C
, D
, E
;
1132 HashWorkingPointer
[t
] =
1134 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
1136 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
1137 } while (++t
<= 79);
1139 A
= HashResultPointer
[0];
1140 B
= HashResultPointer
[1];
1141 C
= HashResultPointer
[2];
1142 D
= HashResultPointer
[3];
1143 E
= HashResultPointer
[4];
1147 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
1148 } else if (t
< 40) {
1149 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
1150 } else if (t
< 60) {
1151 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
1153 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
1155 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
1161 } while (++t
<= 79);
1163 HashResultPointer
[0] += A
;
1164 HashResultPointer
[1] += B
;
1165 HashResultPointer
[2] += C
;
1166 HashResultPointer
[3] += D
;
1167 HashResultPointer
[4] += E
;
1171 /************************************************************************/
1173 /* lpfc_challenge_key */
1175 /************************************************************************/
1177 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
1179 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
1182 /************************************************************************/
1186 /************************************************************************/
1188 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
1191 uint32_t *HashWorking
;
1192 uint32_t *pwwnn
= phba
->wwnn
;
1194 HashWorking
= kmalloc(80 * sizeof(uint32_t), GFP_KERNEL
);
1198 memset(HashWorking
, 0, (80 * sizeof(uint32_t)));
1199 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
1200 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
1202 for (t
= 0; t
< 7; t
++)
1203 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
1205 lpfc_sha_init(hbainit
);
1206 lpfc_sha_iterate(hbainit
, HashWorking
);
1211 lpfc_cleanup(struct lpfc_hba
* phba
, uint32_t save_bind
)
1213 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
1215 /* clean up phba - lpfc specific */
1216 lpfc_can_disctmo(phba
);
1217 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_nlpunmap_list
,
1219 lpfc_nlp_remove(phba
, ndlp
);
1222 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_nlpmap_list
,
1224 lpfc_nlp_remove(phba
, ndlp
);
1227 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_unused_list
,
1229 lpfc_nlp_list(phba
, ndlp
, NLP_NO_LIST
);
1232 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_plogi_list
,
1234 lpfc_nlp_remove(phba
, ndlp
);
1237 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_adisc_list
,
1239 lpfc_nlp_remove(phba
, ndlp
);
1242 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_reglogin_list
,
1244 lpfc_nlp_remove(phba
, ndlp
);
1247 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_prli_list
,
1249 lpfc_nlp_remove(phba
, ndlp
);
1252 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_npr_list
,
1254 lpfc_nlp_remove(phba
, ndlp
);
1257 INIT_LIST_HEAD(&phba
->fc_nlpmap_list
);
1258 INIT_LIST_HEAD(&phba
->fc_nlpunmap_list
);
1259 INIT_LIST_HEAD(&phba
->fc_unused_list
);
1260 INIT_LIST_HEAD(&phba
->fc_plogi_list
);
1261 INIT_LIST_HEAD(&phba
->fc_adisc_list
);
1262 INIT_LIST_HEAD(&phba
->fc_reglogin_list
);
1263 INIT_LIST_HEAD(&phba
->fc_prli_list
);
1264 INIT_LIST_HEAD(&phba
->fc_npr_list
);
1266 phba
->fc_map_cnt
= 0;
1267 phba
->fc_unmap_cnt
= 0;
1268 phba
->fc_plogi_cnt
= 0;
1269 phba
->fc_adisc_cnt
= 0;
1270 phba
->fc_reglogin_cnt
= 0;
1271 phba
->fc_prli_cnt
= 0;
1272 phba
->fc_npr_cnt
= 0;
1273 phba
->fc_unused_cnt
= 0;
1278 lpfc_establish_link_tmo(unsigned long ptr
)
1280 struct lpfc_hba
*phba
= (struct lpfc_hba
*)ptr
;
1281 unsigned long iflag
;
1284 /* Re-establishing Link, timer expired */
1285 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
1286 "%d:1300 Re-establishing Link, timer expired "
1288 phba
->brd_no
, phba
->fc_flag
, phba
->hba_state
);
1289 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
1290 phba
->fc_flag
&= ~FC_ESTABLISH_LINK
;
1291 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1295 lpfc_stop_timer(struct lpfc_hba
* phba
)
1297 struct lpfc_sli
*psli
= &phba
->sli
;
1299 /* Instead of a timer, this has been converted to a
1300 * deferred procedding list.
1302 while (!list_empty(&phba
->freebufList
)) {
1304 struct lpfc_dmabuf
*mp
= NULL
;
1306 list_remove_head((&phba
->freebufList
), mp
,
1307 struct lpfc_dmabuf
, list
);
1309 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1314 del_timer_sync(&phba
->fcp_poll_timer
);
1315 del_timer_sync(&phba
->fc_estabtmo
);
1316 del_timer_sync(&phba
->fc_disctmo
);
1317 del_timer_sync(&phba
->fc_fdmitmo
);
1318 del_timer_sync(&phba
->els_tmofunc
);
1320 del_timer_sync(&psli
->mbox_tmo
);
1325 lpfc_online(struct lpfc_hba
* phba
)
1330 if (!(phba
->fc_flag
& FC_OFFLINE_MODE
))
1333 lpfc_printf_log(phba
,
1336 "%d:0458 Bring Adapter online\n",
1339 if (!lpfc_sli_queue_setup(phba
))
1342 if (lpfc_sli_hba_setup(phba
)) /* Initialize the HBA */
1345 spin_lock_irq(phba
->host
->host_lock
);
1346 phba
->fc_flag
&= ~FC_OFFLINE_MODE
;
1347 spin_unlock_irq(phba
->host
->host_lock
);
1353 lpfc_offline(struct lpfc_hba
* phba
)
1355 struct lpfc_sli_ring
*pring
;
1356 struct lpfc_sli
*psli
;
1357 unsigned long iflag
;
1364 if (phba
->fc_flag
& FC_OFFLINE_MODE
)
1369 lpfc_linkdown(phba
);
1370 lpfc_sli_flush_mbox_queue(phba
);
1372 for (i
= 0; i
< psli
->num_rings
; i
++) {
1373 pring
= &psli
->ring
[i
];
1374 /* The linkdown event takes 30 seconds to timeout. */
1375 while (pring
->txcmplq_cnt
) {
1378 lpfc_printf_log(phba
,
1379 KERN_WARNING
, LOG_INIT
,
1380 "%d:0466 Outstanding IO when "
1381 "bringing Adapter offline\n",
1389 /* stop all timers associated with this hba */
1390 lpfc_stop_timer(phba
);
1391 phba
->work_hba_events
= 0;
1394 lpfc_printf_log(phba
,
1397 "%d:0460 Bring Adapter offline\n",
1400 /* Bring down the SLI Layer and cleanup. The HBA is offline
1402 lpfc_sli_hba_down(phba
);
1403 lpfc_cleanup(phba
, 1);
1404 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
1405 phba
->fc_flag
|= FC_OFFLINE_MODE
;
1406 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1410 /******************************************************************************
1411 * Function name: lpfc_scsi_free
1413 * Description: Called from lpfc_pci_remove_one free internal driver resources
1415 ******************************************************************************/
1417 lpfc_scsi_free(struct lpfc_hba
* phba
)
1419 struct lpfc_scsi_buf
*sb
, *sb_next
;
1420 struct lpfc_iocbq
*io
, *io_next
;
1422 spin_lock_irq(phba
->host
->host_lock
);
1423 /* Release all the lpfc_scsi_bufs maintained by this host. */
1424 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
) {
1425 list_del(&sb
->list
);
1426 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
1429 phba
->total_scsi_bufs
--;
1432 /* Release all the lpfc_iocbq entries maintained by this host. */
1433 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
1434 list_del(&io
->list
);
1436 phba
->total_iocbq_bufs
--;
1439 spin_unlock_irq(phba
->host
->host_lock
);
1445 static int __devinit
1446 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
1448 struct Scsi_Host
*host
;
1449 struct lpfc_hba
*phba
;
1450 struct lpfc_sli
*psli
;
1451 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
1452 unsigned long bar0map_len
, bar2map_len
;
1453 int error
= -ENODEV
, retval
;
1457 if (pci_enable_device(pdev
))
1459 if (pci_request_regions(pdev
, LPFC_DRIVER_NAME
))
1460 goto out_disable_device
;
1462 host
= scsi_host_alloc(&lpfc_template
, sizeof (struct lpfc_hba
));
1464 goto out_release_regions
;
1466 phba
= (struct lpfc_hba
*)host
->hostdata
;
1467 memset(phba
, 0, sizeof (struct lpfc_hba
));
1470 phba
->fc_flag
|= FC_LOADING
;
1471 phba
->pcidev
= pdev
;
1473 /* Assign an unused board number */
1474 if (!idr_pre_get(&lpfc_hba_index
, GFP_KERNEL
))
1477 error
= idr_get_new(&lpfc_hba_index
, NULL
, &phba
->brd_no
);
1481 host
->unique_id
= phba
->brd_no
;
1482 INIT_LIST_HEAD(&phba
->ctrspbuflist
);
1483 INIT_LIST_HEAD(&phba
->rnidrspbuflist
);
1484 INIT_LIST_HEAD(&phba
->freebufList
);
1486 /* Initialize timers used by driver */
1487 init_timer(&phba
->fc_estabtmo
);
1488 phba
->fc_estabtmo
.function
= lpfc_establish_link_tmo
;
1489 phba
->fc_estabtmo
.data
= (unsigned long)phba
;
1490 init_timer(&phba
->fc_disctmo
);
1491 phba
->fc_disctmo
.function
= lpfc_disc_timeout
;
1492 phba
->fc_disctmo
.data
= (unsigned long)phba
;
1494 init_timer(&phba
->fc_fdmitmo
);
1495 phba
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
1496 phba
->fc_fdmitmo
.data
= (unsigned long)phba
;
1497 init_timer(&phba
->els_tmofunc
);
1498 phba
->els_tmofunc
.function
= lpfc_els_timeout
;
1499 phba
->els_tmofunc
.data
= (unsigned long)phba
;
1501 init_timer(&psli
->mbox_tmo
);
1502 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
1503 psli
->mbox_tmo
.data
= (unsigned long)phba
;
1505 init_timer(&phba
->fcp_poll_timer
);
1506 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
1507 phba
->fcp_poll_timer
.data
= (unsigned long)phba
;
1510 * Get all the module params for configuring this host and then
1511 * establish the host parameters.
1513 lpfc_get_cfgparam(phba
);
1515 host
->max_id
= LPFC_MAX_TARGET
;
1516 host
->max_lun
= phba
->cfg_max_luns
;
1519 /* Initialize all internally managed lists. */
1520 INIT_LIST_HEAD(&phba
->fc_nlpmap_list
);
1521 INIT_LIST_HEAD(&phba
->fc_nlpunmap_list
);
1522 INIT_LIST_HEAD(&phba
->fc_unused_list
);
1523 INIT_LIST_HEAD(&phba
->fc_plogi_list
);
1524 INIT_LIST_HEAD(&phba
->fc_adisc_list
);
1525 INIT_LIST_HEAD(&phba
->fc_reglogin_list
);
1526 INIT_LIST_HEAD(&phba
->fc_prli_list
);
1527 INIT_LIST_HEAD(&phba
->fc_npr_list
);
1530 pci_set_master(pdev
);
1531 retval
= pci_set_mwi(pdev
);
1533 dev_printk(KERN_WARNING
, &pdev
->dev
,
1534 "Warning: pci_set_mwi returned %d\n", retval
);
1536 if (pci_set_dma_mask(phba
->pcidev
, DMA_64BIT_MASK
) != 0)
1537 if (pci_set_dma_mask(phba
->pcidev
, DMA_32BIT_MASK
) != 0)
1538 goto out_idr_remove
;
1541 * Get the bus address of Bar0 and Bar2 and the number of bytes
1542 * required by each mapping.
1544 phba
->pci_bar0_map
= pci_resource_start(phba
->pcidev
, 0);
1545 bar0map_len
= pci_resource_len(phba
->pcidev
, 0);
1547 phba
->pci_bar2_map
= pci_resource_start(phba
->pcidev
, 2);
1548 bar2map_len
= pci_resource_len(phba
->pcidev
, 2);
1550 /* Map HBA SLIM to a kernel virtual address. */
1551 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
1552 if (!phba
->slim_memmap_p
) {
1554 dev_printk(KERN_ERR
, &pdev
->dev
,
1555 "ioremap failed for SLIM memory.\n");
1556 goto out_idr_remove
;
1559 /* Map HBA Control Registers to a kernel virtual address. */
1560 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
1561 if (!phba
->ctrl_regs_memmap_p
) {
1563 dev_printk(KERN_ERR
, &pdev
->dev
,
1564 "ioremap failed for HBA control registers.\n");
1565 goto out_iounmap_slim
;
1568 /* Allocate memory for SLI-2 structures */
1569 phba
->slim2p
= dma_alloc_coherent(&phba
->pcidev
->dev
, SLI2_SLIM_SIZE
,
1570 &phba
->slim2p_mapping
, GFP_KERNEL
);
1574 memset(phba
->slim2p
, 0, SLI2_SLIM_SIZE
);
1576 /* Initialize the SLI Layer to run with lpfc HBAs. */
1577 lpfc_sli_setup(phba
);
1578 lpfc_sli_queue_setup(phba
);
1580 error
= lpfc_mem_alloc(phba
);
1584 /* Initialize and populate the iocb list per host. */
1585 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
1586 for (i
= 0; i
< LPFC_IOCB_LIST_CNT
; i
++) {
1587 iocbq_entry
= kmalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
1588 if (iocbq_entry
== NULL
) {
1589 printk(KERN_ERR
"%s: only allocated %d iocbs of "
1590 "expected %d count. Unloading driver.\n",
1591 __FUNCTION__
, i
, LPFC_IOCB_LIST_CNT
);
1593 goto out_free_iocbq
;
1596 memset(iocbq_entry
, 0, sizeof(struct lpfc_iocbq
));
1597 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
1599 kfree (iocbq_entry
);
1600 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
1601 "Unloading driver.\n",
1604 goto out_free_iocbq
;
1606 spin_lock_irq(phba
->host
->host_lock
);
1607 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
1608 phba
->total_iocbq_bufs
++;
1609 spin_unlock_irq(phba
->host
->host_lock
);
1612 /* Initialize HBA structure */
1613 phba
->fc_edtov
= FF_DEF_EDTOV
;
1614 phba
->fc_ratov
= FF_DEF_RATOV
;
1615 phba
->fc_altov
= FF_DEF_ALTOV
;
1616 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
1618 INIT_LIST_HEAD(&phba
->work_list
);
1619 phba
->work_ha_mask
= (HA_ERATT
|HA_MBATT
|HA_LATT
);
1620 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
1622 /* Startup the kernel thread for this host adapter. */
1623 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
1624 "lpfc_worker_%d", phba
->brd_no
);
1625 if (IS_ERR(phba
->worker_thread
)) {
1626 error
= PTR_ERR(phba
->worker_thread
);
1627 goto out_free_iocbq
;
1631 * Set initial can_queue value since 0 is no longer supported and
1632 * scsi_add_host will fail. This will be adjusted later based on the
1633 * max xri value determined in hba setup.
1635 host
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
1637 /* Tell the midlayer we support 16 byte commands */
1638 host
->max_cmd_len
= 16;
1640 /* Initialize the list of scsi buffers used by driver for scsi IO. */
1641 spin_lock_init(&phba
->scsi_buf_list_lock
);
1642 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list
);
1644 host
->transportt
= lpfc_transport_template
;
1645 pci_set_drvdata(pdev
, host
);
1646 error
= scsi_add_host(host
, &pdev
->dev
);
1648 goto out_kthread_stop
;
1650 error
= lpfc_alloc_sysfs_attr(phba
);
1652 goto out_remove_host
;
1654 error
= request_irq(phba
->pcidev
->irq
, lpfc_intr_handler
, IRQF_SHARED
,
1655 LPFC_DRIVER_NAME
, phba
);
1657 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1658 "%d:0451 Enable interrupt handler failed\n",
1660 goto out_free_sysfs_attr
;
1662 phba
->MBslimaddr
= phba
->slim_memmap_p
;
1663 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
1664 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
1665 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
1666 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
1668 error
= lpfc_sli_hba_setup(phba
);
1675 * hba setup may have changed the hba_queue_depth so we need to adjust
1676 * the value of can_queue.
1678 host
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
1680 lpfc_discovery_wait(phba
);
1682 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
1683 spin_lock_irq(phba
->host
->host_lock
);
1684 lpfc_poll_start_timer(phba
);
1685 spin_unlock_irq(phba
->host
->host_lock
);
1689 * set fixed host attributes
1690 * Must done after lpfc_sli_hba_setup()
1693 fc_host_node_name(host
) = wwn_to_u64(phba
->fc_nodename
.u
.wwn
);
1694 fc_host_port_name(host
) = wwn_to_u64(phba
->fc_portname
.u
.wwn
);
1695 fc_host_supported_classes(host
) = FC_COS_CLASS3
;
1697 memset(fc_host_supported_fc4s(host
), 0,
1698 sizeof(fc_host_supported_fc4s(host
)));
1699 fc_host_supported_fc4s(host
)[2] = 1;
1700 fc_host_supported_fc4s(host
)[7] = 1;
1702 lpfc_get_hba_sym_node_name(phba
, fc_host_symbolic_name(host
));
1704 fc_host_supported_speeds(host
) = 0;
1705 if (phba
->lmt
& LMT_10Gb
)
1706 fc_host_supported_speeds(host
) |= FC_PORTSPEED_10GBIT
;
1707 if (phba
->lmt
& LMT_4Gb
)
1708 fc_host_supported_speeds(host
) |= FC_PORTSPEED_4GBIT
;
1709 if (phba
->lmt
& LMT_2Gb
)
1710 fc_host_supported_speeds(host
) |= FC_PORTSPEED_2GBIT
;
1711 if (phba
->lmt
& LMT_1Gb
)
1712 fc_host_supported_speeds(host
) |= FC_PORTSPEED_1GBIT
;
1714 fc_host_maxframe_size(host
) =
1715 ((((uint32_t) phba
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
1716 (uint32_t) phba
->fc_sparam
.cmn
.bbRcvSizeLsb
);
1718 /* This value is also unchanging */
1719 memset(fc_host_active_fc4s(host
), 0,
1720 sizeof(fc_host_active_fc4s(host
)));
1721 fc_host_active_fc4s(host
)[2] = 1;
1722 fc_host_active_fc4s(host
)[7] = 1;
1724 spin_lock_irq(phba
->host
->host_lock
);
1725 phba
->fc_flag
&= ~FC_LOADING
;
1726 spin_unlock_irq(phba
->host
->host_lock
);
1730 lpfc_stop_timer(phba
);
1731 phba
->work_hba_events
= 0;
1732 free_irq(phba
->pcidev
->irq
, phba
);
1733 out_free_sysfs_attr
:
1734 lpfc_free_sysfs_attr(phba
);
1736 fc_remove_host(phba
->host
);
1737 scsi_remove_host(phba
->host
);
1739 kthread_stop(phba
->worker_thread
);
1741 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
1742 &phba
->lpfc_iocb_list
, list
) {
1743 spin_lock_irq(phba
->host
->host_lock
);
1745 phba
->total_iocbq_bufs
--;
1746 spin_unlock_irq(phba
->host
->host_lock
);
1748 lpfc_mem_free(phba
);
1750 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
, phba
->slim2p
,
1751 phba
->slim2p_mapping
);
1753 iounmap(phba
->ctrl_regs_memmap_p
);
1755 iounmap(phba
->slim_memmap_p
);
1757 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
1760 scsi_host_put(host
);
1761 out_release_regions
:
1762 pci_release_regions(pdev
);
1764 pci_disable_device(pdev
);
1766 pci_set_drvdata(pdev
, NULL
);
1770 static void __devexit
1771 lpfc_pci_remove_one(struct pci_dev
*pdev
)
1773 struct Scsi_Host
*host
= pci_get_drvdata(pdev
);
1774 struct lpfc_hba
*phba
= (struct lpfc_hba
*)host
->hostdata
;
1775 unsigned long iflag
;
1777 lpfc_free_sysfs_attr(phba
);
1779 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
1780 phba
->fc_flag
|= FC_UNLOADING
;
1782 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1784 fc_remove_host(phba
->host
);
1785 scsi_remove_host(phba
->host
);
1787 kthread_stop(phba
->worker_thread
);
1790 * Bring down the SLI Layer. This step disable all interrupts,
1791 * clears the rings, discards all mailbox commands, and resets
1794 lpfc_sli_hba_down(phba
);
1795 lpfc_sli_brdrestart(phba
);
1797 /* Release the irq reservation */
1798 free_irq(phba
->pcidev
->irq
, phba
);
1800 lpfc_cleanup(phba
, 0);
1801 lpfc_stop_timer(phba
);
1802 phba
->work_hba_events
= 0;
1805 * Call scsi_free before mem_free since scsi bufs are released to their
1806 * corresponding pools here.
1808 lpfc_scsi_free(phba
);
1809 lpfc_mem_free(phba
);
1811 /* Free resources associated with SLI2 interface */
1812 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
1813 phba
->slim2p
, phba
->slim2p_mapping
);
1815 /* unmap adapter SLIM and Control Registers */
1816 iounmap(phba
->ctrl_regs_memmap_p
);
1817 iounmap(phba
->slim_memmap_p
);
1819 pci_release_regions(phba
->pcidev
);
1820 pci_disable_device(phba
->pcidev
);
1822 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
1823 scsi_host_put(phba
->host
);
1825 pci_set_drvdata(pdev
, NULL
);
1828 static struct pci_device_id lpfc_id_table
[] = {
1829 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
1830 PCI_ANY_ID
, PCI_ANY_ID
, },
1831 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
1832 PCI_ANY_ID
, PCI_ANY_ID
, },
1833 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
1834 PCI_ANY_ID
, PCI_ANY_ID
, },
1835 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
1836 PCI_ANY_ID
, PCI_ANY_ID
, },
1837 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
1838 PCI_ANY_ID
, PCI_ANY_ID
, },
1839 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
1840 PCI_ANY_ID
, PCI_ANY_ID
, },
1841 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
1842 PCI_ANY_ID
, PCI_ANY_ID
, },
1843 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
1844 PCI_ANY_ID
, PCI_ANY_ID
, },
1845 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
1846 PCI_ANY_ID
, PCI_ANY_ID
, },
1847 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
1848 PCI_ANY_ID
, PCI_ANY_ID
, },
1849 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
1850 PCI_ANY_ID
, PCI_ANY_ID
, },
1851 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
1852 PCI_ANY_ID
, PCI_ANY_ID
, },
1853 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
1854 PCI_ANY_ID
, PCI_ANY_ID
, },
1855 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
1856 PCI_ANY_ID
, PCI_ANY_ID
, },
1857 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
1858 PCI_ANY_ID
, PCI_ANY_ID
, },
1859 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
1860 PCI_ANY_ID
, PCI_ANY_ID
, },
1861 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
1862 PCI_ANY_ID
, PCI_ANY_ID
, },
1863 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
1864 PCI_ANY_ID
, PCI_ANY_ID
, },
1865 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
1866 PCI_ANY_ID
, PCI_ANY_ID
, },
1867 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
1868 PCI_ANY_ID
, PCI_ANY_ID
, },
1869 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
1870 PCI_ANY_ID
, PCI_ANY_ID
, },
1871 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
1872 PCI_ANY_ID
, PCI_ANY_ID
, },
1873 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
1874 PCI_ANY_ID
, PCI_ANY_ID
, },
1875 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
1876 PCI_ANY_ID
, PCI_ANY_ID
, },
1877 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
1878 PCI_ANY_ID
, PCI_ANY_ID
, },
1879 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
1880 PCI_ANY_ID
, PCI_ANY_ID
, },
1881 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
1882 PCI_ANY_ID
, PCI_ANY_ID
, },
1886 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
1888 static struct pci_driver lpfc_driver
= {
1889 .name
= LPFC_DRIVER_NAME
,
1890 .id_table
= lpfc_id_table
,
1891 .probe
= lpfc_pci_probe_one
,
1892 .remove
= __devexit_p(lpfc_pci_remove_one
),
1900 printk(LPFC_MODULE_DESC
"\n");
1901 printk(LPFC_COPYRIGHT
"\n");
1903 lpfc_transport_template
=
1904 fc_attach_transport(&lpfc_transport_functions
);
1905 if (!lpfc_transport_template
)
1907 error
= pci_register_driver(&lpfc_driver
);
1909 fc_release_transport(lpfc_transport_template
);
1917 pci_unregister_driver(&lpfc_driver
);
1918 fc_release_transport(lpfc_transport_template
);
1921 module_init(lpfc_init
);
1922 module_exit(lpfc_exit
);
1923 MODULE_LICENSE("GPL");
1924 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
1925 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
1926 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);