1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2012 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/module.h>
28 #include <linux/kthread.h>
29 #include <linux/pci.h>
30 #include <linux/spinlock.h>
31 #include <linux/ctype.h>
32 #include <linux/aer.h>
33 #include <linux/slab.h>
34 #include <linux/firmware.h>
35 #include <linux/miscdevice.h>
37 #include <scsi/scsi.h>
38 #include <scsi/scsi_device.h>
39 #include <scsi/scsi_host.h>
40 #include <scsi/scsi_transport_fc.h>
45 #include "lpfc_sli4.h"
47 #include "lpfc_disc.h"
48 #include "lpfc_scsi.h"
50 #include "lpfc_logmsg.h"
51 #include "lpfc_crtn.h"
52 #include "lpfc_vport.h"
53 #include "lpfc_version.h"
56 unsigned long _dump_buf_data_order
;
58 unsigned long _dump_buf_dif_order
;
59 spinlock_t _dump_buf_lock
;
61 static void lpfc_get_hba_model_desc(struct lpfc_hba
*, uint8_t *, uint8_t *);
62 static int lpfc_post_rcv_buf(struct lpfc_hba
*);
63 static int lpfc_sli4_queue_verify(struct lpfc_hba
*);
64 static int lpfc_create_bootstrap_mbox(struct lpfc_hba
*);
65 static int lpfc_setup_endian_order(struct lpfc_hba
*);
66 static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*);
67 static void lpfc_free_els_sgl_list(struct lpfc_hba
*);
68 static void lpfc_init_sgl_list(struct lpfc_hba
*);
69 static int lpfc_init_active_sgl_array(struct lpfc_hba
*);
70 static void lpfc_free_active_sgl(struct lpfc_hba
*);
71 static int lpfc_hba_down_post_s3(struct lpfc_hba
*phba
);
72 static int lpfc_hba_down_post_s4(struct lpfc_hba
*phba
);
73 static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*);
74 static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*);
75 static void lpfc_sli4_cq_event_release_all(struct lpfc_hba
*);
76 static void lpfc_sli4_disable_intr(struct lpfc_hba
*);
77 static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba
*, uint32_t);
79 static struct scsi_transport_template
*lpfc_transport_template
= NULL
;
80 static struct scsi_transport_template
*lpfc_vport_transport_template
= NULL
;
81 static DEFINE_IDR(lpfc_hba_index
);
84 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
85 * @phba: pointer to lpfc hba data structure.
87 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
88 * mailbox command. It retrieves the revision information from the HBA and
89 * collects the Vital Product Data (VPD) about the HBA for preparing the
90 * configuration of the HBA.
94 * -ERESTART - requests the SLI layer to reset the HBA and try again.
95 * Any other value - indicates an error.
98 lpfc_config_port_prep(struct lpfc_hba
*phba
)
100 lpfc_vpd_t
*vp
= &phba
->vpd
;
104 char *lpfc_vpd_data
= NULL
;
106 static char licensed
[56] =
107 "key unlock for use with gnu public licensed code only\0";
108 static int init_key
= 1;
110 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
112 phba
->link_state
= LPFC_HBA_ERROR
;
117 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
119 if (lpfc_is_LC_HBA(phba
->pcidev
->device
)) {
121 uint32_t *ptext
= (uint32_t *) licensed
;
123 for (i
= 0; i
< 56; i
+= sizeof (uint32_t), ptext
++)
124 *ptext
= cpu_to_be32(*ptext
);
128 lpfc_read_nv(phba
, pmb
);
129 memset((char*)mb
->un
.varRDnvp
.rsvd3
, 0,
130 sizeof (mb
->un
.varRDnvp
.rsvd3
));
131 memcpy((char*)mb
->un
.varRDnvp
.rsvd3
, licensed
,
134 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
136 if (rc
!= MBX_SUCCESS
) {
137 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
138 "0324 Config Port initialization "
139 "error, mbxCmd x%x READ_NVPARM, "
141 mb
->mbxCommand
, mb
->mbxStatus
);
142 mempool_free(pmb
, phba
->mbox_mem_pool
);
145 memcpy(phba
->wwnn
, (char *)mb
->un
.varRDnvp
.nodename
,
147 memcpy(phba
->wwpn
, (char *)mb
->un
.varRDnvp
.portname
,
151 phba
->sli3_options
= 0x0;
153 /* Setup and issue mailbox READ REV command */
154 lpfc_read_rev(phba
, pmb
);
155 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
156 if (rc
!= MBX_SUCCESS
) {
157 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
158 "0439 Adapter failed to init, mbxCmd x%x "
159 "READ_REV, mbxStatus x%x\n",
160 mb
->mbxCommand
, mb
->mbxStatus
);
161 mempool_free( pmb
, phba
->mbox_mem_pool
);
167 * The value of rr must be 1 since the driver set the cv field to 1.
168 * This setting requires the FW to set all revision fields.
170 if (mb
->un
.varRdRev
.rr
== 0) {
172 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
173 "0440 Adapter failed to init, READ_REV has "
174 "missing revision information.\n");
175 mempool_free(pmb
, phba
->mbox_mem_pool
);
179 if (phba
->sli_rev
== 3 && !mb
->un
.varRdRev
.v3rsp
) {
180 mempool_free(pmb
, phba
->mbox_mem_pool
);
184 /* Save information as VPD data */
186 memcpy(&vp
->sli3Feat
, &mb
->un
.varRdRev
.sli3Feat
, sizeof(uint32_t));
187 vp
->rev
.sli1FwRev
= mb
->un
.varRdRev
.sli1FwRev
;
188 memcpy(vp
->rev
.sli1FwName
, (char*) mb
->un
.varRdRev
.sli1FwName
, 16);
189 vp
->rev
.sli2FwRev
= mb
->un
.varRdRev
.sli2FwRev
;
190 memcpy(vp
->rev
.sli2FwName
, (char *) mb
->un
.varRdRev
.sli2FwName
, 16);
191 vp
->rev
.biuRev
= mb
->un
.varRdRev
.biuRev
;
192 vp
->rev
.smRev
= mb
->un
.varRdRev
.smRev
;
193 vp
->rev
.smFwRev
= mb
->un
.varRdRev
.un
.smFwRev
;
194 vp
->rev
.endecRev
= mb
->un
.varRdRev
.endecRev
;
195 vp
->rev
.fcphHigh
= mb
->un
.varRdRev
.fcphHigh
;
196 vp
->rev
.fcphLow
= mb
->un
.varRdRev
.fcphLow
;
197 vp
->rev
.feaLevelHigh
= mb
->un
.varRdRev
.feaLevelHigh
;
198 vp
->rev
.feaLevelLow
= mb
->un
.varRdRev
.feaLevelLow
;
199 vp
->rev
.postKernRev
= mb
->un
.varRdRev
.postKernRev
;
200 vp
->rev
.opFwRev
= mb
->un
.varRdRev
.opFwRev
;
202 /* If the sli feature level is less then 9, we must
203 * tear down all RPIs and VPIs on link down if NPIV
206 if (vp
->rev
.feaLevelHigh
< 9)
207 phba
->sli3_options
|= LPFC_SLI3_VPORT_TEARDOWN
;
209 if (lpfc_is_LC_HBA(phba
->pcidev
->device
))
210 memcpy(phba
->RandomData
, (char *)&mb
->un
.varWords
[24],
211 sizeof (phba
->RandomData
));
213 /* Get adapter VPD information */
214 lpfc_vpd_data
= kmalloc(DMP_VPD_SIZE
, GFP_KERNEL
);
218 lpfc_dump_mem(phba
, pmb
, offset
, DMP_REGION_VPD
);
219 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
221 if (rc
!= MBX_SUCCESS
) {
222 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
223 "0441 VPD not present on adapter, "
224 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
225 mb
->mbxCommand
, mb
->mbxStatus
);
226 mb
->un
.varDmp
.word_cnt
= 0;
228 /* dump mem may return a zero when finished or we got a
229 * mailbox error, either way we are done.
231 if (mb
->un
.varDmp
.word_cnt
== 0)
233 if (mb
->un
.varDmp
.word_cnt
> DMP_VPD_SIZE
- offset
)
234 mb
->un
.varDmp
.word_cnt
= DMP_VPD_SIZE
- offset
;
235 lpfc_sli_pcimem_bcopy(((uint8_t *)mb
) + DMP_RSP_OFFSET
,
236 lpfc_vpd_data
+ offset
,
237 mb
->un
.varDmp
.word_cnt
);
238 offset
+= mb
->un
.varDmp
.word_cnt
;
239 } while (mb
->un
.varDmp
.word_cnt
&& offset
< DMP_VPD_SIZE
);
240 lpfc_parse_vpd(phba
, lpfc_vpd_data
, offset
);
242 kfree(lpfc_vpd_data
);
244 mempool_free(pmb
, phba
->mbox_mem_pool
);
249 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
250 * @phba: pointer to lpfc hba data structure.
251 * @pmboxq: pointer to the driver internal queue element for mailbox command.
253 * This is the completion handler for driver's configuring asynchronous event
254 * mailbox command to the device. If the mailbox command returns successfully,
255 * it will set internal async event support flag to 1; otherwise, it will
256 * set internal async event support flag to 0.
259 lpfc_config_async_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
261 if (pmboxq
->u
.mb
.mbxStatus
== MBX_SUCCESS
)
262 phba
->temp_sensor_support
= 1;
264 phba
->temp_sensor_support
= 0;
265 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
270 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
271 * @phba: pointer to lpfc hba data structure.
272 * @pmboxq: pointer to the driver internal queue element for mailbox command.
274 * This is the completion handler for dump mailbox command for getting
275 * wake up parameters. When this command complete, the response contain
276 * Option rom version of the HBA. This function translate the version number
277 * into a human readable string and store it in OptionROMVersion.
280 lpfc_dump_wakeup_param_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmboxq
)
283 uint32_t prog_id_word
;
285 /* character array used for decoding dist type. */
286 char dist_char
[] = "nabx";
288 if (pmboxq
->u
.mb
.mbxStatus
!= MBX_SUCCESS
) {
289 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
293 prg
= (struct prog_id
*) &prog_id_word
;
295 /* word 7 contain option rom version */
296 prog_id_word
= pmboxq
->u
.mb
.un
.varWords
[7];
298 /* Decode the Option rom version word to a readable string */
300 dist
= dist_char
[prg
->dist
];
302 if ((prg
->dist
== 3) && (prg
->num
== 0))
303 sprintf(phba
->OptionROMVersion
, "%d.%d%d",
304 prg
->ver
, prg
->rev
, prg
->lev
);
306 sprintf(phba
->OptionROMVersion
, "%d.%d%d%c%d",
307 prg
->ver
, prg
->rev
, prg
->lev
,
309 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
314 * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname,
315 * cfg_soft_wwnn, cfg_soft_wwpn
316 * @vport: pointer to lpfc vport data structure.
323 lpfc_update_vport_wwn(struct lpfc_vport
*vport
)
325 /* If the soft name exists then update it using the service params */
326 if (vport
->phba
->cfg_soft_wwnn
)
327 u64_to_wwn(vport
->phba
->cfg_soft_wwnn
,
328 vport
->fc_sparam
.nodeName
.u
.wwn
);
329 if (vport
->phba
->cfg_soft_wwpn
)
330 u64_to_wwn(vport
->phba
->cfg_soft_wwpn
,
331 vport
->fc_sparam
.portName
.u
.wwn
);
334 * If the name is empty or there exists a soft name
335 * then copy the service params name, otherwise use the fc name
337 if (vport
->fc_nodename
.u
.wwn
[0] == 0 || vport
->phba
->cfg_soft_wwnn
)
338 memcpy(&vport
->fc_nodename
, &vport
->fc_sparam
.nodeName
,
339 sizeof(struct lpfc_name
));
341 memcpy(&vport
->fc_sparam
.nodeName
, &vport
->fc_nodename
,
342 sizeof(struct lpfc_name
));
344 if (vport
->fc_portname
.u
.wwn
[0] == 0 || vport
->phba
->cfg_soft_wwpn
)
345 memcpy(&vport
->fc_portname
, &vport
->fc_sparam
.portName
,
346 sizeof(struct lpfc_name
));
348 memcpy(&vport
->fc_sparam
.portName
, &vport
->fc_portname
,
349 sizeof(struct lpfc_name
));
353 * lpfc_config_port_post - Perform lpfc initialization after config port
354 * @phba: pointer to lpfc hba data structure.
356 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
357 * command call. It performs all internal resource and state setups on the
358 * port: post IOCB buffers, enable appropriate host interrupt attentions,
359 * ELS ring timers, etc.
363 * Any other value - error.
366 lpfc_config_port_post(struct lpfc_hba
*phba
)
368 struct lpfc_vport
*vport
= phba
->pport
;
369 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
372 struct lpfc_dmabuf
*mp
;
373 struct lpfc_sli
*psli
= &phba
->sli
;
374 uint32_t status
, timeout
;
378 spin_lock_irq(&phba
->hbalock
);
380 * If the Config port completed correctly the HBA is not
381 * over heated any more.
383 if (phba
->over_temp_state
== HBA_OVER_TEMP
)
384 phba
->over_temp_state
= HBA_NORMAL_TEMP
;
385 spin_unlock_irq(&phba
->hbalock
);
387 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
389 phba
->link_state
= LPFC_HBA_ERROR
;
394 /* Get login parameters for NID. */
395 rc
= lpfc_read_sparam(phba
, pmb
, 0);
397 mempool_free(pmb
, phba
->mbox_mem_pool
);
402 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
403 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
404 "0448 Adapter failed init, mbxCmd x%x "
405 "READ_SPARM mbxStatus x%x\n",
406 mb
->mbxCommand
, mb
->mbxStatus
);
407 phba
->link_state
= LPFC_HBA_ERROR
;
408 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
409 mempool_free(pmb
, phba
->mbox_mem_pool
);
410 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
415 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
417 memcpy(&vport
->fc_sparam
, mp
->virt
, sizeof (struct serv_parm
));
418 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
420 pmb
->context1
= NULL
;
421 lpfc_update_vport_wwn(vport
);
423 /* Update the fc_host data structures with new wwn. */
424 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
425 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
426 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
428 /* If no serial number in VPD data, use low 6 bytes of WWNN */
429 /* This should be consolidated into parse_vpd ? - mr */
430 if (phba
->SerialNumber
[0] == 0) {
433 outptr
= &vport
->fc_nodename
.u
.s
.IEEE
[0];
434 for (i
= 0; i
< 12; i
++) {
436 j
= ((status
& 0xf0) >> 4);
438 phba
->SerialNumber
[i
] =
439 (char)((uint8_t) 0x30 + (uint8_t) j
);
441 phba
->SerialNumber
[i
] =
442 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
446 phba
->SerialNumber
[i
] =
447 (char)((uint8_t) 0x30 + (uint8_t) j
);
449 phba
->SerialNumber
[i
] =
450 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
454 lpfc_read_config(phba
, pmb
);
456 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
457 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
458 "0453 Adapter failed to init, mbxCmd x%x "
459 "READ_CONFIG, mbxStatus x%x\n",
460 mb
->mbxCommand
, mb
->mbxStatus
);
461 phba
->link_state
= LPFC_HBA_ERROR
;
462 mempool_free( pmb
, phba
->mbox_mem_pool
);
466 /* Check if the port is disabled */
467 lpfc_sli_read_link_ste(phba
);
469 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
470 if (phba
->cfg_hba_queue_depth
> (mb
->un
.varRdConfig
.max_xri
+1))
471 phba
->cfg_hba_queue_depth
=
472 (mb
->un
.varRdConfig
.max_xri
+ 1) -
473 lpfc_sli4_get_els_iocb_cnt(phba
);
475 phba
->lmt
= mb
->un
.varRdConfig
.lmt
;
477 /* Get the default values for Model Name and Description */
478 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
480 phba
->link_state
= LPFC_LINK_DOWN
;
482 /* Only process IOCBs on ELS ring till hba_state is READY */
483 if (psli
->ring
[psli
->extra_ring
].sli
.sli3
.cmdringaddr
)
484 psli
->ring
[psli
->extra_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
485 if (psli
->ring
[psli
->fcp_ring
].sli
.sli3
.cmdringaddr
)
486 psli
->ring
[psli
->fcp_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
487 if (psli
->ring
[psli
->next_ring
].sli
.sli3
.cmdringaddr
)
488 psli
->ring
[psli
->next_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
490 /* Post receive buffers for desired rings */
491 if (phba
->sli_rev
!= 3)
492 lpfc_post_rcv_buf(phba
);
495 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
497 if (phba
->intr_type
== MSIX
) {
498 rc
= lpfc_config_msi(phba
, pmb
);
500 mempool_free(pmb
, phba
->mbox_mem_pool
);
503 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
504 if (rc
!= MBX_SUCCESS
) {
505 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
506 "0352 Config MSI mailbox command "
507 "failed, mbxCmd x%x, mbxStatus x%x\n",
508 pmb
->u
.mb
.mbxCommand
,
509 pmb
->u
.mb
.mbxStatus
);
510 mempool_free(pmb
, phba
->mbox_mem_pool
);
515 spin_lock_irq(&phba
->hbalock
);
516 /* Initialize ERATT handling flag */
517 phba
->hba_flag
&= ~HBA_ERATT_HANDLED
;
519 /* Enable appropriate host interrupts */
520 if (lpfc_readl(phba
->HCregaddr
, &status
)) {
521 spin_unlock_irq(&phba
->hbalock
);
524 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
525 if (psli
->num_rings
> 0)
526 status
|= HC_R0INT_ENA
;
527 if (psli
->num_rings
> 1)
528 status
|= HC_R1INT_ENA
;
529 if (psli
->num_rings
> 2)
530 status
|= HC_R2INT_ENA
;
531 if (psli
->num_rings
> 3)
532 status
|= HC_R3INT_ENA
;
534 if ((phba
->cfg_poll
& ENABLE_FCP_RING_POLLING
) &&
535 (phba
->cfg_poll
& DISABLE_FCP_RING_INT
))
536 status
&= ~(HC_R0INT_ENA
);
538 writel(status
, phba
->HCregaddr
);
539 readl(phba
->HCregaddr
); /* flush */
540 spin_unlock_irq(&phba
->hbalock
);
542 /* Set up ring-0 (ELS) timer */
543 timeout
= phba
->fc_ratov
* 2;
544 mod_timer(&vport
->els_tmofunc
, jiffies
+ HZ
* timeout
);
545 /* Set up heart beat (HB) timer */
546 mod_timer(&phba
->hb_tmofunc
, jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
547 phba
->hb_outstanding
= 0;
548 phba
->last_completion_time
= jiffies
;
549 /* Set up error attention (ERATT) polling timer */
550 mod_timer(&phba
->eratt_poll
, jiffies
+ HZ
* LPFC_ERATT_POLL_INTERVAL
);
552 if (phba
->hba_flag
& LINK_DISABLED
) {
553 lpfc_printf_log(phba
,
555 "2598 Adapter Link is disabled.\n");
556 lpfc_down_link(phba
, pmb
);
557 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
558 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
559 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
560 lpfc_printf_log(phba
,
562 "2599 Adapter failed to issue DOWN_LINK"
563 " mbox command rc 0x%x\n", rc
);
565 mempool_free(pmb
, phba
->mbox_mem_pool
);
568 } else if (phba
->cfg_suppress_link_up
== LPFC_INITIALIZE_LINK
) {
569 mempool_free(pmb
, phba
->mbox_mem_pool
);
570 rc
= phba
->lpfc_hba_init_link(phba
, MBX_NOWAIT
);
574 /* MBOX buffer will be freed in mbox compl */
575 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
577 phba
->link_state
= LPFC_HBA_ERROR
;
581 lpfc_config_async(phba
, pmb
, LPFC_ELS_RING
);
582 pmb
->mbox_cmpl
= lpfc_config_async_cmpl
;
583 pmb
->vport
= phba
->pport
;
584 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
586 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
587 lpfc_printf_log(phba
,
590 "0456 Adapter failed to issue "
591 "ASYNCEVT_ENABLE mbox status x%x\n",
593 mempool_free(pmb
, phba
->mbox_mem_pool
);
596 /* Get Option rom version */
597 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
599 phba
->link_state
= LPFC_HBA_ERROR
;
603 lpfc_dump_wakeup_param(phba
, pmb
);
604 pmb
->mbox_cmpl
= lpfc_dump_wakeup_param_cmpl
;
605 pmb
->vport
= phba
->pport
;
606 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
608 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
609 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
, "0435 Adapter failed "
610 "to get Option ROM version status x%x\n", rc
);
611 mempool_free(pmb
, phba
->mbox_mem_pool
);
618 * lpfc_hba_init_link - Initialize the FC link
619 * @phba: pointer to lpfc hba data structure.
620 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
622 * This routine will issue the INIT_LINK mailbox command call.
623 * It is available to other drivers through the lpfc_hba data
624 * structure for use as a delayed link up mechanism with the
625 * module parameter lpfc_suppress_link_up.
629 * Any other value - error
632 lpfc_hba_init_link(struct lpfc_hba
*phba
, uint32_t flag
)
634 return lpfc_hba_init_link_fc_topology(phba
, phba
->cfg_topology
, flag
);
638 * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology
639 * @phba: pointer to lpfc hba data structure.
640 * @fc_topology: desired fc topology.
641 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
643 * This routine will issue the INIT_LINK mailbox command call.
644 * It is available to other drivers through the lpfc_hba data
645 * structure for use as a delayed link up mechanism with the
646 * module parameter lpfc_suppress_link_up.
650 * Any other value - error
653 lpfc_hba_init_link_fc_topology(struct lpfc_hba
*phba
, uint32_t fc_topology
,
656 struct lpfc_vport
*vport
= phba
->pport
;
661 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
663 phba
->link_state
= LPFC_HBA_ERROR
;
669 if ((phba
->cfg_link_speed
> LPFC_USER_LINK_SPEED_MAX
) ||
670 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_1G
) &&
671 !(phba
->lmt
& LMT_1Gb
)) ||
672 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_2G
) &&
673 !(phba
->lmt
& LMT_2Gb
)) ||
674 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_4G
) &&
675 !(phba
->lmt
& LMT_4Gb
)) ||
676 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_8G
) &&
677 !(phba
->lmt
& LMT_8Gb
)) ||
678 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_10G
) &&
679 !(phba
->lmt
& LMT_10Gb
)) ||
680 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_16G
) &&
681 !(phba
->lmt
& LMT_16Gb
))) {
682 /* Reset link speed to auto */
683 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
684 "1302 Invalid speed for this board:%d "
685 "Reset link speed to auto.\n",
686 phba
->cfg_link_speed
);
687 phba
->cfg_link_speed
= LPFC_USER_LINK_SPEED_AUTO
;
689 lpfc_init_link(phba
, pmb
, fc_topology
, phba
->cfg_link_speed
);
690 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
691 if (phba
->sli_rev
< LPFC_SLI_REV4
)
692 lpfc_set_loopback_flag(phba
);
693 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
694 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
695 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
696 "0498 Adapter failed to init, mbxCmd x%x "
697 "INIT_LINK, mbxStatus x%x\n",
698 mb
->mbxCommand
, mb
->mbxStatus
);
699 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
700 /* Clear all interrupt enable conditions */
701 writel(0, phba
->HCregaddr
);
702 readl(phba
->HCregaddr
); /* flush */
703 /* Clear all pending interrupts */
704 writel(0xffffffff, phba
->HAregaddr
);
705 readl(phba
->HAregaddr
); /* flush */
707 phba
->link_state
= LPFC_HBA_ERROR
;
708 if (rc
!= MBX_BUSY
|| flag
== MBX_POLL
)
709 mempool_free(pmb
, phba
->mbox_mem_pool
);
712 phba
->cfg_suppress_link_up
= LPFC_INITIALIZE_LINK
;
713 if (flag
== MBX_POLL
)
714 mempool_free(pmb
, phba
->mbox_mem_pool
);
720 * lpfc_hba_down_link - this routine downs the FC link
721 * @phba: pointer to lpfc hba data structure.
722 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
724 * This routine will issue the DOWN_LINK mailbox command call.
725 * It is available to other drivers through the lpfc_hba data
726 * structure for use to stop the link.
730 * Any other value - error
733 lpfc_hba_down_link(struct lpfc_hba
*phba
, uint32_t flag
)
738 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
740 phba
->link_state
= LPFC_HBA_ERROR
;
744 lpfc_printf_log(phba
,
746 "0491 Adapter Link is disabled.\n");
747 lpfc_down_link(phba
, pmb
);
748 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
749 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
750 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
751 lpfc_printf_log(phba
,
753 "2522 Adapter failed to issue DOWN_LINK"
754 " mbox command rc 0x%x\n", rc
);
756 mempool_free(pmb
, phba
->mbox_mem_pool
);
759 if (flag
== MBX_POLL
)
760 mempool_free(pmb
, phba
->mbox_mem_pool
);
766 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
767 * @phba: pointer to lpfc HBA data structure.
769 * This routine will do LPFC uninitialization before the HBA is reset when
770 * bringing down the SLI Layer.
774 * Any other value - error.
777 lpfc_hba_down_prep(struct lpfc_hba
*phba
)
779 struct lpfc_vport
**vports
;
782 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
783 /* Disable interrupts */
784 writel(0, phba
->HCregaddr
);
785 readl(phba
->HCregaddr
); /* flush */
788 if (phba
->pport
->load_flag
& FC_UNLOADING
)
789 lpfc_cleanup_discovery_resources(phba
->pport
);
791 vports
= lpfc_create_vport_work_array(phba
);
793 for (i
= 0; i
<= phba
->max_vports
&&
794 vports
[i
] != NULL
; i
++)
795 lpfc_cleanup_discovery_resources(vports
[i
]);
796 lpfc_destroy_vport_work_array(phba
, vports
);
802 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
803 * @phba: pointer to lpfc HBA data structure.
805 * This routine will do uninitialization after the HBA is reset when bring
806 * down the SLI Layer.
810 * Any other value - error.
813 lpfc_hba_down_post_s3(struct lpfc_hba
*phba
)
815 struct lpfc_sli
*psli
= &phba
->sli
;
816 struct lpfc_sli_ring
*pring
;
817 struct lpfc_dmabuf
*mp
, *next_mp
;
818 LIST_HEAD(completions
);
821 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)
822 lpfc_sli_hbqbuf_free_all(phba
);
824 /* Cleanup preposted buffers on the ELS ring */
825 pring
= &psli
->ring
[LPFC_ELS_RING
];
826 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
828 pring
->postbufq_cnt
--;
829 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
834 spin_lock_irq(&phba
->hbalock
);
835 for (i
= 0; i
< psli
->num_rings
; i
++) {
836 pring
= &psli
->ring
[i
];
838 /* At this point in time the HBA is either reset or DOA. Either
839 * way, nothing should be on txcmplq as it will NEVER complete.
841 list_splice_init(&pring
->txcmplq
, &completions
);
842 pring
->txcmplq_cnt
= 0;
843 spin_unlock_irq(&phba
->hbalock
);
845 /* Cancel all the IOCBs from the completions list */
846 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
849 lpfc_sli_abort_iocb_ring(phba
, pring
);
850 spin_lock_irq(&phba
->hbalock
);
852 spin_unlock_irq(&phba
->hbalock
);
858 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
859 * @phba: pointer to lpfc HBA data structure.
861 * This routine will do uninitialization after the HBA is reset when bring
862 * down the SLI Layer.
866 * Any other value - error.
869 lpfc_hba_down_post_s4(struct lpfc_hba
*phba
)
871 struct lpfc_scsi_buf
*psb
, *psb_next
;
874 unsigned long iflag
= 0;
875 struct lpfc_sglq
*sglq_entry
= NULL
;
877 ret
= lpfc_hba_down_post_s3(phba
);
880 /* At this point in time the HBA is either reset or DOA. Either
881 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
882 * on the lpfc_sgl_list so that it can either be freed if the
883 * driver is unloading or reposted if the driver is restarting
886 spin_lock_irq(&phba
->hbalock
); /* required for lpfc_sgl_list and */
888 /* abts_sgl_list_lock required because worker thread uses this
891 spin_lock(&phba
->sli4_hba
.abts_sgl_list_lock
);
892 list_for_each_entry(sglq_entry
,
893 &phba
->sli4_hba
.lpfc_abts_els_sgl_list
, list
)
894 sglq_entry
->state
= SGL_FREED
;
896 list_splice_init(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
,
897 &phba
->sli4_hba
.lpfc_sgl_list
);
898 spin_unlock(&phba
->sli4_hba
.abts_sgl_list_lock
);
899 /* abts_scsi_buf_list_lock required because worker thread uses this
902 spin_lock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
903 list_splice_init(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
,
905 spin_unlock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
906 spin_unlock_irq(&phba
->hbalock
);
908 list_for_each_entry_safe(psb
, psb_next
, &aborts
, list
) {
910 psb
->status
= IOSTAT_SUCCESS
;
912 spin_lock_irqsave(&phba
->scsi_buf_list_lock
, iflag
);
913 list_splice(&aborts
, &phba
->lpfc_scsi_buf_list
);
914 spin_unlock_irqrestore(&phba
->scsi_buf_list_lock
, iflag
);
919 * lpfc_hba_down_post - Wrapper func for hba down post routine
920 * @phba: pointer to lpfc HBA data structure.
922 * This routine wraps the actual SLI3 or SLI4 routine for performing
923 * uninitialization after the HBA is reset when bring down the SLI Layer.
927 * Any other value - error.
930 lpfc_hba_down_post(struct lpfc_hba
*phba
)
932 return (*phba
->lpfc_hba_down_post
)(phba
);
936 * lpfc_hb_timeout - The HBA-timer timeout handler
937 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
939 * This is the HBA-timer timeout handler registered to the lpfc driver. When
940 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
941 * work-port-events bitmap and the worker thread is notified. This timeout
942 * event will be used by the worker thread to invoke the actual timeout
943 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
944 * be performed in the timeout handler and the HBA timeout event bit shall
945 * be cleared by the worker thread after it has taken the event bitmap out.
948 lpfc_hb_timeout(unsigned long ptr
)
950 struct lpfc_hba
*phba
;
954 phba
= (struct lpfc_hba
*)ptr
;
956 /* Check for heart beat timeout conditions */
957 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
958 tmo_posted
= phba
->pport
->work_port_events
& WORKER_HB_TMO
;
960 phba
->pport
->work_port_events
|= WORKER_HB_TMO
;
961 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
963 /* Tell the worker thread there is work to do */
965 lpfc_worker_wake_up(phba
);
970 * lpfc_rrq_timeout - The RRQ-timer timeout handler
971 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
973 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
974 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
975 * work-port-events bitmap and the worker thread is notified. This timeout
976 * event will be used by the worker thread to invoke the actual timeout
977 * handler routine, lpfc_rrq_handler. Any periodical operations will
978 * be performed in the timeout handler and the RRQ timeout event bit shall
979 * be cleared by the worker thread after it has taken the event bitmap out.
982 lpfc_rrq_timeout(unsigned long ptr
)
984 struct lpfc_hba
*phba
;
987 phba
= (struct lpfc_hba
*)ptr
;
988 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
989 phba
->hba_flag
|= HBA_RRQ_ACTIVE
;
990 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
991 lpfc_worker_wake_up(phba
);
995 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
996 * @phba: pointer to lpfc hba data structure.
997 * @pmboxq: pointer to the driver internal queue element for mailbox command.
999 * This is the callback function to the lpfc heart-beat mailbox command.
1000 * If configured, the lpfc driver issues the heart-beat mailbox command to
1001 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
1002 * heart-beat mailbox command is issued, the driver shall set up heart-beat
1003 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
1004 * heart-beat outstanding state. Once the mailbox command comes back and
1005 * no error conditions detected, the heart-beat mailbox command timer is
1006 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1007 * state is cleared for the next heart-beat. If the timer expired with the
1008 * heart-beat outstanding state set, the driver will put the HBA offline.
1011 lpfc_hb_mbox_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
1013 unsigned long drvr_flag
;
1015 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
1016 phba
->hb_outstanding
= 0;
1017 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
1019 /* Check and reset heart-beat timer is necessary */
1020 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1021 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
) &&
1022 !(phba
->link_state
== LPFC_HBA_ERROR
) &&
1023 !(phba
->pport
->load_flag
& FC_UNLOADING
))
1024 mod_timer(&phba
->hb_tmofunc
,
1025 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
1030 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
1031 * @phba: pointer to lpfc hba data structure.
1033 * This is the actual HBA-timer timeout handler to be invoked by the worker
1034 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1035 * handler performs any periodic operations needed for the device. If such
1036 * periodic event has already been attended to either in the interrupt handler
1037 * or by processing slow-ring or fast-ring events within the HBA-timer
1038 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1039 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1040 * is configured and there is no heart-beat mailbox command outstanding, a
1041 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1042 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1046 lpfc_hb_timeout_handler(struct lpfc_hba
*phba
)
1048 struct lpfc_vport
**vports
;
1049 LPFC_MBOXQ_t
*pmboxq
;
1050 struct lpfc_dmabuf
*buf_ptr
;
1052 struct lpfc_sli
*psli
= &phba
->sli
;
1053 LIST_HEAD(completions
);
1055 vports
= lpfc_create_vport_work_array(phba
);
1057 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
1058 lpfc_rcv_seq_check_edtov(vports
[i
]);
1059 lpfc_destroy_vport_work_array(phba
, vports
);
1061 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
1062 (phba
->pport
->load_flag
& FC_UNLOADING
) ||
1063 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
1066 spin_lock_irq(&phba
->pport
->work_port_lock
);
1068 if (time_after(phba
->last_completion_time
+ LPFC_HB_MBOX_INTERVAL
* HZ
,
1070 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1071 if (!phba
->hb_outstanding
)
1072 mod_timer(&phba
->hb_tmofunc
,
1073 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
1075 mod_timer(&phba
->hb_tmofunc
,
1076 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
1079 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1081 if (phba
->elsbuf_cnt
&&
1082 (phba
->elsbuf_cnt
== phba
->elsbuf_prev_cnt
)) {
1083 spin_lock_irq(&phba
->hbalock
);
1084 list_splice_init(&phba
->elsbuf
, &completions
);
1085 phba
->elsbuf_cnt
= 0;
1086 phba
->elsbuf_prev_cnt
= 0;
1087 spin_unlock_irq(&phba
->hbalock
);
1089 while (!list_empty(&completions
)) {
1090 list_remove_head(&completions
, buf_ptr
,
1091 struct lpfc_dmabuf
, list
);
1092 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
1096 phba
->elsbuf_prev_cnt
= phba
->elsbuf_cnt
;
1098 /* If there is no heart beat outstanding, issue a heartbeat command */
1099 if (phba
->cfg_enable_hba_heartbeat
) {
1100 if (!phba
->hb_outstanding
) {
1101 if ((!(psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
)) &&
1102 (list_empty(&psli
->mboxq
))) {
1103 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,
1106 mod_timer(&phba
->hb_tmofunc
,
1108 HZ
* LPFC_HB_MBOX_INTERVAL
);
1112 lpfc_heart_beat(phba
, pmboxq
);
1113 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
1114 pmboxq
->vport
= phba
->pport
;
1115 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
,
1118 if (retval
!= MBX_BUSY
&&
1119 retval
!= MBX_SUCCESS
) {
1120 mempool_free(pmboxq
,
1121 phba
->mbox_mem_pool
);
1122 mod_timer(&phba
->hb_tmofunc
,
1124 HZ
* LPFC_HB_MBOX_INTERVAL
);
1127 phba
->skipped_hb
= 0;
1128 phba
->hb_outstanding
= 1;
1129 } else if (time_before_eq(phba
->last_completion_time
,
1130 phba
->skipped_hb
)) {
1131 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1132 "2857 Last completion time not "
1133 " updated in %d ms\n",
1134 jiffies_to_msecs(jiffies
1135 - phba
->last_completion_time
));
1137 phba
->skipped_hb
= jiffies
;
1139 mod_timer(&phba
->hb_tmofunc
,
1140 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
1144 * If heart beat timeout called with hb_outstanding set
1145 * we need to give the hb mailbox cmd a chance to
1148 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1149 "0459 Adapter heartbeat still out"
1150 "standing:last compl time was %d ms.\n",
1151 jiffies_to_msecs(jiffies
1152 - phba
->last_completion_time
));
1153 mod_timer(&phba
->hb_tmofunc
,
1154 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
1160 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
1161 * @phba: pointer to lpfc hba data structure.
1163 * This routine is called to bring the HBA offline when HBA hardware error
1164 * other than Port Error 6 has been detected.
1167 lpfc_offline_eratt(struct lpfc_hba
*phba
)
1169 struct lpfc_sli
*psli
= &phba
->sli
;
1171 spin_lock_irq(&phba
->hbalock
);
1172 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1173 spin_unlock_irq(&phba
->hbalock
);
1174 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1177 lpfc_reset_barrier(phba
);
1178 spin_lock_irq(&phba
->hbalock
);
1179 lpfc_sli_brdreset(phba
);
1180 spin_unlock_irq(&phba
->hbalock
);
1181 lpfc_hba_down_post(phba
);
1182 lpfc_sli_brdready(phba
, HS_MBRDY
);
1183 lpfc_unblock_mgmt_io(phba
);
1184 phba
->link_state
= LPFC_HBA_ERROR
;
1189 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1190 * @phba: pointer to lpfc hba data structure.
1192 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1193 * other than Port Error 6 has been detected.
1196 lpfc_sli4_offline_eratt(struct lpfc_hba
*phba
)
1198 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1200 lpfc_sli4_brdreset(phba
);
1201 lpfc_hba_down_post(phba
);
1202 lpfc_sli4_post_status_check(phba
);
1203 lpfc_unblock_mgmt_io(phba
);
1204 phba
->link_state
= LPFC_HBA_ERROR
;
1208 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1209 * @phba: pointer to lpfc hba data structure.
1211 * This routine is invoked to handle the deferred HBA hardware error
1212 * conditions. This type of error is indicated by HBA by setting ER1
1213 * and another ER bit in the host status register. The driver will
1214 * wait until the ER1 bit clears before handling the error condition.
1217 lpfc_handle_deferred_eratt(struct lpfc_hba
*phba
)
1219 uint32_t old_host_status
= phba
->work_hs
;
1220 struct lpfc_sli_ring
*pring
;
1221 struct lpfc_sli
*psli
= &phba
->sli
;
1223 /* If the pci channel is offline, ignore possible errors,
1224 * since we cannot communicate with the pci card anyway.
1226 if (pci_channel_offline(phba
->pcidev
)) {
1227 spin_lock_irq(&phba
->hbalock
);
1228 phba
->hba_flag
&= ~DEFER_ERATT
;
1229 spin_unlock_irq(&phba
->hbalock
);
1233 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1234 "0479 Deferred Adapter Hardware Error "
1235 "Data: x%x x%x x%x\n",
1237 phba
->work_status
[0], phba
->work_status
[1]);
1239 spin_lock_irq(&phba
->hbalock
);
1240 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1241 spin_unlock_irq(&phba
->hbalock
);
1245 * Firmware stops when it triggred erratt. That could cause the I/Os
1246 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1247 * SCSI layer retry it after re-establishing link.
1249 pring
= &psli
->ring
[psli
->fcp_ring
];
1250 lpfc_sli_abort_iocb_ring(phba
, pring
);
1253 * There was a firmware error. Take the hba offline and then
1254 * attempt to restart it.
1256 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
1259 /* Wait for the ER1 bit to clear.*/
1260 while (phba
->work_hs
& HS_FFER1
) {
1262 if (lpfc_readl(phba
->HSregaddr
, &phba
->work_hs
)) {
1263 phba
->work_hs
= UNPLUG_ERR
;
1266 /* If driver is unloading let the worker thread continue */
1267 if (phba
->pport
->load_flag
& FC_UNLOADING
) {
1274 * This is to ptrotect against a race condition in which
1275 * first write to the host attention register clear the
1276 * host status register.
1278 if ((!phba
->work_hs
) && (!(phba
->pport
->load_flag
& FC_UNLOADING
)))
1279 phba
->work_hs
= old_host_status
& ~HS_FFER1
;
1281 spin_lock_irq(&phba
->hbalock
);
1282 phba
->hba_flag
&= ~DEFER_ERATT
;
1283 spin_unlock_irq(&phba
->hbalock
);
1284 phba
->work_status
[0] = readl(phba
->MBslimaddr
+ 0xa8);
1285 phba
->work_status
[1] = readl(phba
->MBslimaddr
+ 0xac);
1289 lpfc_board_errevt_to_mgmt(struct lpfc_hba
*phba
)
1291 struct lpfc_board_event_header board_event
;
1292 struct Scsi_Host
*shost
;
1294 board_event
.event_type
= FC_REG_BOARD_EVENT
;
1295 board_event
.subcategory
= LPFC_EVENT_PORTINTERR
;
1296 shost
= lpfc_shost_from_vport(phba
->pport
);
1297 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1298 sizeof(board_event
),
1299 (char *) &board_event
,
1304 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
1305 * @phba: pointer to lpfc hba data structure.
1307 * This routine is invoked to handle the following HBA hardware error
1309 * 1 - HBA error attention interrupt
1310 * 2 - DMA ring index out of range
1311 * 3 - Mailbox command came back as unknown
1314 lpfc_handle_eratt_s3(struct lpfc_hba
*phba
)
1316 struct lpfc_vport
*vport
= phba
->pport
;
1317 struct lpfc_sli
*psli
= &phba
->sli
;
1318 struct lpfc_sli_ring
*pring
;
1319 uint32_t event_data
;
1320 unsigned long temperature
;
1321 struct temp_event temp_event_data
;
1322 struct Scsi_Host
*shost
;
1324 /* If the pci channel is offline, ignore possible errors,
1325 * since we cannot communicate with the pci card anyway.
1327 if (pci_channel_offline(phba
->pcidev
)) {
1328 spin_lock_irq(&phba
->hbalock
);
1329 phba
->hba_flag
&= ~DEFER_ERATT
;
1330 spin_unlock_irq(&phba
->hbalock
);
1334 /* If resets are disabled then leave the HBA alone and return */
1335 if (!phba
->cfg_enable_hba_reset
)
1338 /* Send an internal error event to mgmt application */
1339 lpfc_board_errevt_to_mgmt(phba
);
1341 if (phba
->hba_flag
& DEFER_ERATT
)
1342 lpfc_handle_deferred_eratt(phba
);
1344 if ((phba
->work_hs
& HS_FFER6
) || (phba
->work_hs
& HS_FFER8
)) {
1345 if (phba
->work_hs
& HS_FFER6
)
1346 /* Re-establishing Link */
1347 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1348 "1301 Re-establishing Link "
1349 "Data: x%x x%x x%x\n",
1350 phba
->work_hs
, phba
->work_status
[0],
1351 phba
->work_status
[1]);
1352 if (phba
->work_hs
& HS_FFER8
)
1353 /* Device Zeroization */
1354 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1355 "2861 Host Authentication device "
1356 "zeroization Data:x%x x%x x%x\n",
1357 phba
->work_hs
, phba
->work_status
[0],
1358 phba
->work_status
[1]);
1360 spin_lock_irq(&phba
->hbalock
);
1361 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1362 spin_unlock_irq(&phba
->hbalock
);
1365 * Firmware stops when it triggled erratt with HS_FFER6.
1366 * That could cause the I/Os dropped by the firmware.
1367 * Error iocb (I/O) on txcmplq and let the SCSI layer
1368 * retry it after re-establishing link.
1370 pring
= &psli
->ring
[psli
->fcp_ring
];
1371 lpfc_sli_abort_iocb_ring(phba
, pring
);
1374 * There was a firmware error. Take the hba offline and then
1375 * attempt to restart it.
1377 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1379 lpfc_sli_brdrestart(phba
);
1380 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
1381 lpfc_unblock_mgmt_io(phba
);
1384 lpfc_unblock_mgmt_io(phba
);
1385 } else if (phba
->work_hs
& HS_CRIT_TEMP
) {
1386 temperature
= readl(phba
->MBslimaddr
+ TEMPERATURE_OFFSET
);
1387 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1388 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1389 temp_event_data
.data
= (uint32_t)temperature
;
1391 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1392 "0406 Adapter maximum temperature exceeded "
1393 "(%ld), taking this port offline "
1394 "Data: x%x x%x x%x\n",
1395 temperature
, phba
->work_hs
,
1396 phba
->work_status
[0], phba
->work_status
[1]);
1398 shost
= lpfc_shost_from_vport(phba
->pport
);
1399 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1400 sizeof(temp_event_data
),
1401 (char *) &temp_event_data
,
1402 SCSI_NL_VID_TYPE_PCI
1403 | PCI_VENDOR_ID_EMULEX
);
1405 spin_lock_irq(&phba
->hbalock
);
1406 phba
->over_temp_state
= HBA_OVER_TEMP
;
1407 spin_unlock_irq(&phba
->hbalock
);
1408 lpfc_offline_eratt(phba
);
1411 /* The if clause above forces this code path when the status
1412 * failure is a value other than FFER6. Do not call the offline
1413 * twice. This is the adapter hardware error path.
1415 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1416 "0457 Adapter Hardware Error "
1417 "Data: x%x x%x x%x\n",
1419 phba
->work_status
[0], phba
->work_status
[1]);
1421 event_data
= FC_REG_DUMP_EVENT
;
1422 shost
= lpfc_shost_from_vport(vport
);
1423 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1424 sizeof(event_data
), (char *) &event_data
,
1425 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1427 lpfc_offline_eratt(phba
);
1433 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
1434 * @phba: pointer to lpfc hba data structure.
1435 * @mbx_action: flag for mailbox shutdown action.
1437 * This routine is invoked to perform an SLI4 port PCI function reset in
1438 * response to port status register polling attention. It waits for port
1439 * status register (ERR, RDY, RN) bits before proceeding with function reset.
1440 * During this process, interrupt vectors are freed and later requested
1441 * for handling possible port resource change.
1444 lpfc_sli4_port_sta_fn_reset(struct lpfc_hba
*phba
, int mbx_action
)
1450 * On error status condition, driver need to wait for port
1451 * ready before performing reset.
1453 rc
= lpfc_sli4_pdev_status_reg_wait(phba
);
1455 /* need reset: attempt for port recovery */
1456 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1457 "2887 Reset Needed: Attempting Port "
1459 lpfc_offline_prep(phba
, mbx_action
);
1461 /* release interrupt for possible resource change */
1462 lpfc_sli4_disable_intr(phba
);
1463 lpfc_sli_brdrestart(phba
);
1464 /* request and enable interrupt */
1465 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
1466 if (intr_mode
== LPFC_INTR_ERROR
) {
1467 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1468 "3175 Failed to enable interrupt\n");
1471 phba
->intr_mode
= intr_mode
;
1473 rc
= lpfc_online(phba
);
1475 lpfc_unblock_mgmt_io(phba
);
1481 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1482 * @phba: pointer to lpfc hba data structure.
1484 * This routine is invoked to handle the SLI4 HBA hardware error attention
1488 lpfc_handle_eratt_s4(struct lpfc_hba
*phba
)
1490 struct lpfc_vport
*vport
= phba
->pport
;
1491 uint32_t event_data
;
1492 struct Scsi_Host
*shost
;
1494 struct lpfc_register portstat_reg
= {0};
1495 uint32_t reg_err1
, reg_err2
;
1496 uint32_t uerrlo_reg
, uemasklo_reg
;
1497 uint32_t pci_rd_rc1
, pci_rd_rc2
;
1500 /* If the pci channel is offline, ignore possible errors, since
1501 * we cannot communicate with the pci card anyway.
1503 if (pci_channel_offline(phba
->pcidev
))
1505 /* If resets are disabled then leave the HBA alone and return */
1506 if (!phba
->cfg_enable_hba_reset
)
1509 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
1511 case LPFC_SLI_INTF_IF_TYPE_0
:
1512 pci_rd_rc1
= lpfc_readl(
1513 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
,
1515 pci_rd_rc2
= lpfc_readl(
1516 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
,
1518 /* consider PCI bus read error as pci_channel_offline */
1519 if (pci_rd_rc1
== -EIO
&& pci_rd_rc2
== -EIO
)
1521 lpfc_sli4_offline_eratt(phba
);
1523 case LPFC_SLI_INTF_IF_TYPE_2
:
1524 pci_rd_rc1
= lpfc_readl(
1525 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
1526 &portstat_reg
.word0
);
1527 /* consider PCI bus read error as pci_channel_offline */
1528 if (pci_rd_rc1
== -EIO
) {
1529 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1530 "3151 PCI bus read access failure: x%x\n",
1531 readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
));
1534 reg_err1
= readl(phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
1535 reg_err2
= readl(phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
1536 if (bf_get(lpfc_sliport_status_oti
, &portstat_reg
)) {
1537 /* TODO: Register for Overtemp async events. */
1538 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1539 "2889 Port Overtemperature event, "
1540 "taking port offline\n");
1541 spin_lock_irq(&phba
->hbalock
);
1542 phba
->over_temp_state
= HBA_OVER_TEMP
;
1543 spin_unlock_irq(&phba
->hbalock
);
1544 lpfc_sli4_offline_eratt(phba
);
1547 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1548 reg_err2
== SLIPORT_ERR2_REG_FW_RESTART
)
1549 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1550 "3143 Port Down: Firmware Restarted\n");
1551 else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1552 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1553 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1554 "3144 Port Down: Debug Dump\n");
1555 else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1556 reg_err2
== SLIPORT_ERR2_REG_FUNC_PROVISON
)
1557 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1558 "3145 Port Down: Provisioning\n");
1560 /* Check port status register for function reset */
1561 rc
= lpfc_sli4_port_sta_fn_reset(phba
, LPFC_MBX_NO_WAIT
);
1563 /* don't report event on forced debug dump */
1564 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1565 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1570 /* fall through for not able to recover */
1571 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1572 "3152 Unrecoverable error, bring the port "
1574 lpfc_sli4_offline_eratt(phba
);
1576 case LPFC_SLI_INTF_IF_TYPE_1
:
1580 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1581 "3123 Report dump event to upper layer\n");
1582 /* Send an internal error event to mgmt application */
1583 lpfc_board_errevt_to_mgmt(phba
);
1585 event_data
= FC_REG_DUMP_EVENT
;
1586 shost
= lpfc_shost_from_vport(vport
);
1587 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1588 sizeof(event_data
), (char *) &event_data
,
1589 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1593 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1594 * @phba: pointer to lpfc HBA data structure.
1596 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1597 * routine from the API jump table function pointer from the lpfc_hba struct.
1601 * Any other value - error.
1604 lpfc_handle_eratt(struct lpfc_hba
*phba
)
1606 (*phba
->lpfc_handle_eratt
)(phba
);
1610 * lpfc_handle_latt - The HBA link event handler
1611 * @phba: pointer to lpfc hba data structure.
1613 * This routine is invoked from the worker thread to handle a HBA host
1614 * attention link event.
1617 lpfc_handle_latt(struct lpfc_hba
*phba
)
1619 struct lpfc_vport
*vport
= phba
->pport
;
1620 struct lpfc_sli
*psli
= &phba
->sli
;
1622 volatile uint32_t control
;
1623 struct lpfc_dmabuf
*mp
;
1626 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1629 goto lpfc_handle_latt_err_exit
;
1632 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
1635 goto lpfc_handle_latt_free_pmb
;
1638 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
1641 goto lpfc_handle_latt_free_mp
;
1644 /* Cleanup any outstanding ELS commands */
1645 lpfc_els_flush_all_cmd(phba
);
1647 psli
->slistat
.link_event
++;
1648 lpfc_read_topology(phba
, pmb
, mp
);
1649 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
1651 /* Block ELS IOCBs until we have processed this mbox command */
1652 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
1653 rc
= lpfc_sli_issue_mbox (phba
, pmb
, MBX_NOWAIT
);
1654 if (rc
== MBX_NOT_FINISHED
) {
1656 goto lpfc_handle_latt_free_mbuf
;
1659 /* Clear Link Attention in HA REG */
1660 spin_lock_irq(&phba
->hbalock
);
1661 writel(HA_LATT
, phba
->HAregaddr
);
1662 readl(phba
->HAregaddr
); /* flush */
1663 spin_unlock_irq(&phba
->hbalock
);
1667 lpfc_handle_latt_free_mbuf
:
1668 phba
->sli
.ring
[LPFC_ELS_RING
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
1669 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1670 lpfc_handle_latt_free_mp
:
1672 lpfc_handle_latt_free_pmb
:
1673 mempool_free(pmb
, phba
->mbox_mem_pool
);
1674 lpfc_handle_latt_err_exit
:
1675 /* Enable Link attention interrupts */
1676 spin_lock_irq(&phba
->hbalock
);
1677 psli
->sli_flag
|= LPFC_PROCESS_LA
;
1678 control
= readl(phba
->HCregaddr
);
1679 control
|= HC_LAINT_ENA
;
1680 writel(control
, phba
->HCregaddr
);
1681 readl(phba
->HCregaddr
); /* flush */
1683 /* Clear Link Attention in HA REG */
1684 writel(HA_LATT
, phba
->HAregaddr
);
1685 readl(phba
->HAregaddr
); /* flush */
1686 spin_unlock_irq(&phba
->hbalock
);
1687 lpfc_linkdown(phba
);
1688 phba
->link_state
= LPFC_HBA_ERROR
;
1690 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1691 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc
);
1697 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
1698 * @phba: pointer to lpfc hba data structure.
1699 * @vpd: pointer to the vital product data.
1700 * @len: length of the vital product data in bytes.
1702 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1703 * an array of characters. In this routine, the ModelName, ProgramType, and
1704 * ModelDesc, etc. fields of the phba data structure will be populated.
1707 * 0 - pointer to the VPD passed in is NULL
1711 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
1713 uint8_t lenlo
, lenhi
;
1723 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1724 "0455 Vital Product Data: x%x x%x x%x x%x\n",
1725 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
1727 while (!finished
&& (index
< (len
- 4))) {
1728 switch (vpd
[index
]) {
1736 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1745 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1746 if (Length
> len
- index
)
1747 Length
= len
- index
;
1748 while (Length
> 0) {
1749 /* Look for Serial Number */
1750 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
1757 phba
->SerialNumber
[j
++] = vpd
[index
++];
1761 phba
->SerialNumber
[j
] = 0;
1764 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
1765 phba
->vpd_flag
|= VPD_MODEL_DESC
;
1772 phba
->ModelDesc
[j
++] = vpd
[index
++];
1776 phba
->ModelDesc
[j
] = 0;
1779 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
1780 phba
->vpd_flag
|= VPD_MODEL_NAME
;
1787 phba
->ModelName
[j
++] = vpd
[index
++];
1791 phba
->ModelName
[j
] = 0;
1794 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
1795 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
1802 phba
->ProgramType
[j
++] = vpd
[index
++];
1806 phba
->ProgramType
[j
] = 0;
1809 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
1810 phba
->vpd_flag
|= VPD_PORT
;
1817 if ((phba
->sli_rev
== LPFC_SLI_REV4
) &&
1818 (phba
->sli4_hba
.pport_name_sta
==
1819 LPFC_SLI4_PPNAME_GET
)) {
1823 phba
->Port
[j
++] = vpd
[index
++];
1827 if ((phba
->sli_rev
!= LPFC_SLI_REV4
) ||
1828 (phba
->sli4_hba
.pport_name_sta
==
1829 LPFC_SLI4_PPNAME_NON
))
1856 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
1857 * @phba: pointer to lpfc hba data structure.
1858 * @mdp: pointer to the data structure to hold the derived model name.
1859 * @descp: pointer to the data structure to hold the derived description.
1861 * This routine retrieves HBA's description based on its registered PCI device
1862 * ID. The @descp passed into this function points to an array of 256 chars. It
1863 * shall be returned with the model name, maximum speed, and the host bus type.
1864 * The @mdp passed into this function points to an array of 80 chars. When the
1865 * function returns, the @mdp will be filled with the model name.
1868 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
1871 uint16_t dev_id
= phba
->pcidev
->device
;
1874 int oneConnect
= 0; /* default is not a oneConnect */
1879 } m
= {"<Unknown>", "", ""};
1881 if (mdp
&& mdp
[0] != '\0'
1882 && descp
&& descp
[0] != '\0')
1885 if (phba
->lmt
& LMT_16Gb
)
1887 else if (phba
->lmt
& LMT_10Gb
)
1889 else if (phba
->lmt
& LMT_8Gb
)
1891 else if (phba
->lmt
& LMT_4Gb
)
1893 else if (phba
->lmt
& LMT_2Gb
)
1901 case PCI_DEVICE_ID_FIREFLY
:
1902 m
= (typeof(m
)){"LP6000", "PCI", "Fibre Channel Adapter"};
1904 case PCI_DEVICE_ID_SUPERFLY
:
1905 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
1906 m
= (typeof(m
)){"LP7000", "PCI",
1907 "Fibre Channel Adapter"};
1909 m
= (typeof(m
)){"LP7000E", "PCI",
1910 "Fibre Channel Adapter"};
1912 case PCI_DEVICE_ID_DRAGONFLY
:
1913 m
= (typeof(m
)){"LP8000", "PCI",
1914 "Fibre Channel Adapter"};
1916 case PCI_DEVICE_ID_CENTAUR
:
1917 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
1918 m
= (typeof(m
)){"LP9002", "PCI",
1919 "Fibre Channel Adapter"};
1921 m
= (typeof(m
)){"LP9000", "PCI",
1922 "Fibre Channel Adapter"};
1924 case PCI_DEVICE_ID_RFLY
:
1925 m
= (typeof(m
)){"LP952", "PCI",
1926 "Fibre Channel Adapter"};
1928 case PCI_DEVICE_ID_PEGASUS
:
1929 m
= (typeof(m
)){"LP9802", "PCI-X",
1930 "Fibre Channel Adapter"};
1932 case PCI_DEVICE_ID_THOR
:
1933 m
= (typeof(m
)){"LP10000", "PCI-X",
1934 "Fibre Channel Adapter"};
1936 case PCI_DEVICE_ID_VIPER
:
1937 m
= (typeof(m
)){"LPX1000", "PCI-X",
1938 "Fibre Channel Adapter"};
1940 case PCI_DEVICE_ID_PFLY
:
1941 m
= (typeof(m
)){"LP982", "PCI-X",
1942 "Fibre Channel Adapter"};
1944 case PCI_DEVICE_ID_TFLY
:
1945 m
= (typeof(m
)){"LP1050", "PCI-X",
1946 "Fibre Channel Adapter"};
1948 case PCI_DEVICE_ID_HELIOS
:
1949 m
= (typeof(m
)){"LP11000", "PCI-X2",
1950 "Fibre Channel Adapter"};
1952 case PCI_DEVICE_ID_HELIOS_SCSP
:
1953 m
= (typeof(m
)){"LP11000-SP", "PCI-X2",
1954 "Fibre Channel Adapter"};
1956 case PCI_DEVICE_ID_HELIOS_DCSP
:
1957 m
= (typeof(m
)){"LP11002-SP", "PCI-X2",
1958 "Fibre Channel Adapter"};
1960 case PCI_DEVICE_ID_NEPTUNE
:
1961 m
= (typeof(m
)){"LPe1000", "PCIe", "Fibre Channel Adapter"};
1963 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
1964 m
= (typeof(m
)){"LPe1000-SP", "PCIe", "Fibre Channel Adapter"};
1966 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
1967 m
= (typeof(m
)){"LPe1002-SP", "PCIe", "Fibre Channel Adapter"};
1969 case PCI_DEVICE_ID_BMID
:
1970 m
= (typeof(m
)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
1972 case PCI_DEVICE_ID_BSMB
:
1973 m
= (typeof(m
)){"LP111", "PCI-X2", "Fibre Channel Adapter"};
1975 case PCI_DEVICE_ID_ZEPHYR
:
1976 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
1978 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
1979 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
1981 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
1982 m
= (typeof(m
)){"LP2105", "PCIe", "FCoE Adapter"};
1985 case PCI_DEVICE_ID_ZMID
:
1986 m
= (typeof(m
)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
1988 case PCI_DEVICE_ID_ZSMB
:
1989 m
= (typeof(m
)){"LPe111", "PCIe", "Fibre Channel Adapter"};
1991 case PCI_DEVICE_ID_LP101
:
1992 m
= (typeof(m
)){"LP101", "PCI-X", "Fibre Channel Adapter"};
1994 case PCI_DEVICE_ID_LP10000S
:
1995 m
= (typeof(m
)){"LP10000-S", "PCI", "Fibre Channel Adapter"};
1997 case PCI_DEVICE_ID_LP11000S
:
1998 m
= (typeof(m
)){"LP11000-S", "PCI-X2", "Fibre Channel Adapter"};
2000 case PCI_DEVICE_ID_LPE11000S
:
2001 m
= (typeof(m
)){"LPe11000-S", "PCIe", "Fibre Channel Adapter"};
2003 case PCI_DEVICE_ID_SAT
:
2004 m
= (typeof(m
)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
2006 case PCI_DEVICE_ID_SAT_MID
:
2007 m
= (typeof(m
)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
2009 case PCI_DEVICE_ID_SAT_SMB
:
2010 m
= (typeof(m
)){"LPe121", "PCIe", "Fibre Channel Adapter"};
2012 case PCI_DEVICE_ID_SAT_DCSP
:
2013 m
= (typeof(m
)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
2015 case PCI_DEVICE_ID_SAT_SCSP
:
2016 m
= (typeof(m
)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
2018 case PCI_DEVICE_ID_SAT_S
:
2019 m
= (typeof(m
)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
2021 case PCI_DEVICE_ID_HORNET
:
2022 m
= (typeof(m
)){"LP21000", "PCIe", "FCoE Adapter"};
2025 case PCI_DEVICE_ID_PROTEUS_VF
:
2026 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2027 "Fibre Channel Adapter"};
2029 case PCI_DEVICE_ID_PROTEUS_PF
:
2030 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2031 "Fibre Channel Adapter"};
2033 case PCI_DEVICE_ID_PROTEUS_S
:
2034 m
= (typeof(m
)){"LPemv12002-S", "PCIe IOV",
2035 "Fibre Channel Adapter"};
2037 case PCI_DEVICE_ID_TIGERSHARK
:
2039 m
= (typeof(m
)){"OCe10100", "PCIe", "FCoE"};
2041 case PCI_DEVICE_ID_TOMCAT
:
2043 m
= (typeof(m
)){"OCe11100", "PCIe", "FCoE"};
2045 case PCI_DEVICE_ID_FALCON
:
2046 m
= (typeof(m
)){"LPSe12002-ML1-E", "PCIe",
2047 "EmulexSecure Fibre"};
2049 case PCI_DEVICE_ID_BALIUS
:
2050 m
= (typeof(m
)){"LPVe12002", "PCIe Shared I/O",
2051 "Fibre Channel Adapter"};
2053 case PCI_DEVICE_ID_LANCER_FC
:
2054 case PCI_DEVICE_ID_LANCER_FC_VF
:
2055 m
= (typeof(m
)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
2057 case PCI_DEVICE_ID_LANCER_FCOE
:
2058 case PCI_DEVICE_ID_LANCER_FCOE_VF
:
2060 m
= (typeof(m
)){"OCe15100", "PCIe", "FCoE"};
2062 case PCI_DEVICE_ID_SKYHAWK
:
2063 case PCI_DEVICE_ID_SKYHAWK_VF
:
2065 m
= (typeof(m
)){"OCe14000", "PCIe", "FCoE"};
2068 m
= (typeof(m
)){"Unknown", "", ""};
2072 if (mdp
&& mdp
[0] == '\0')
2073 snprintf(mdp
, 79,"%s", m
.name
);
2075 * oneConnect hba requires special processing, they are all initiators
2076 * and we put the port number on the end
2078 if (descp
&& descp
[0] == '\0') {
2080 snprintf(descp
, 255,
2081 "Emulex OneConnect %s, %s Initiator, Port %s",
2085 snprintf(descp
, 255,
2086 "Emulex %s %d%s %s %s",
2087 m
.name
, max_speed
, (GE
) ? "GE" : "Gb",
2093 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
2094 * @phba: pointer to lpfc hba data structure.
2095 * @pring: pointer to a IOCB ring.
2096 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2098 * This routine posts a given number of IOCBs with the associated DMA buffer
2099 * descriptors specified by the cnt argument to the given IOCB ring.
2102 * The number of IOCBs NOT able to be posted to the IOCB ring.
2105 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
)
2108 struct lpfc_iocbq
*iocb
;
2109 struct lpfc_dmabuf
*mp1
, *mp2
;
2111 cnt
+= pring
->missbufcnt
;
2113 /* While there are buffers to post */
2115 /* Allocate buffer for command iocb */
2116 iocb
= lpfc_sli_get_iocbq(phba
);
2118 pring
->missbufcnt
= cnt
;
2123 /* 2 buffers can be posted per command */
2124 /* Allocate buffer to post */
2125 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2127 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
2128 if (!mp1
|| !mp1
->virt
) {
2130 lpfc_sli_release_iocbq(phba
, iocb
);
2131 pring
->missbufcnt
= cnt
;
2135 INIT_LIST_HEAD(&mp1
->list
);
2136 /* Allocate buffer to post */
2138 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2140 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
2142 if (!mp2
|| !mp2
->virt
) {
2144 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2146 lpfc_sli_release_iocbq(phba
, iocb
);
2147 pring
->missbufcnt
= cnt
;
2151 INIT_LIST_HEAD(&mp2
->list
);
2156 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
2157 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
2158 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
2159 icmd
->ulpBdeCount
= 1;
2162 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
2163 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
2164 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
2166 icmd
->ulpBdeCount
= 2;
2169 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
2172 if (lpfc_sli_issue_iocb(phba
, pring
->ringno
, iocb
, 0) ==
2174 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2178 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
2182 lpfc_sli_release_iocbq(phba
, iocb
);
2183 pring
->missbufcnt
= cnt
;
2186 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
2188 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
2190 pring
->missbufcnt
= 0;
2195 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
2196 * @phba: pointer to lpfc hba data structure.
2198 * This routine posts initial receive IOCB buffers to the ELS ring. The
2199 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2203 * 0 - success (currently always success)
2206 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
2208 struct lpfc_sli
*psli
= &phba
->sli
;
2210 /* Ring 0, ELS / CT buffers */
2211 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
);
2212 /* Ring 2 - FCP no buffers needed */
2217 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2220 * lpfc_sha_init - Set up initial array of hash table entries
2221 * @HashResultPointer: pointer to an array as hash table.
2223 * This routine sets up the initial values to the array of hash table entries
2227 lpfc_sha_init(uint32_t * HashResultPointer
)
2229 HashResultPointer
[0] = 0x67452301;
2230 HashResultPointer
[1] = 0xEFCDAB89;
2231 HashResultPointer
[2] = 0x98BADCFE;
2232 HashResultPointer
[3] = 0x10325476;
2233 HashResultPointer
[4] = 0xC3D2E1F0;
2237 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
2238 * @HashResultPointer: pointer to an initial/result hash table.
2239 * @HashWorkingPointer: pointer to an working hash table.
2241 * This routine iterates an initial hash table pointed by @HashResultPointer
2242 * with the values from the working hash table pointeed by @HashWorkingPointer.
2243 * The results are putting back to the initial hash table, returned through
2244 * the @HashResultPointer as the result hash table.
2247 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
2251 uint32_t A
, B
, C
, D
, E
;
2254 HashWorkingPointer
[t
] =
2256 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
2258 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
2259 } while (++t
<= 79);
2261 A
= HashResultPointer
[0];
2262 B
= HashResultPointer
[1];
2263 C
= HashResultPointer
[2];
2264 D
= HashResultPointer
[3];
2265 E
= HashResultPointer
[4];
2269 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
2270 } else if (t
< 40) {
2271 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
2272 } else if (t
< 60) {
2273 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
2275 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
2277 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
2283 } while (++t
<= 79);
2285 HashResultPointer
[0] += A
;
2286 HashResultPointer
[1] += B
;
2287 HashResultPointer
[2] += C
;
2288 HashResultPointer
[3] += D
;
2289 HashResultPointer
[4] += E
;
2294 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
2295 * @RandomChallenge: pointer to the entry of host challenge random number array.
2296 * @HashWorking: pointer to the entry of the working hash array.
2298 * This routine calculates the working hash array referred by @HashWorking
2299 * from the challenge random numbers associated with the host, referred by
2300 * @RandomChallenge. The result is put into the entry of the working hash
2301 * array and returned by reference through @HashWorking.
2304 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
2306 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
2310 * lpfc_hba_init - Perform special handling for LC HBA initialization
2311 * @phba: pointer to lpfc hba data structure.
2312 * @hbainit: pointer to an array of unsigned 32-bit integers.
2314 * This routine performs the special handling for LC HBA initialization.
2317 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
2320 uint32_t *HashWorking
;
2321 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
2323 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
2327 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
2328 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
2330 for (t
= 0; t
< 7; t
++)
2331 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
2333 lpfc_sha_init(hbainit
);
2334 lpfc_sha_iterate(hbainit
, HashWorking
);
2339 * lpfc_cleanup - Performs vport cleanups before deleting a vport
2340 * @vport: pointer to a virtual N_Port data structure.
2342 * This routine performs the necessary cleanups before deleting the @vport.
2343 * It invokes the discovery state machine to perform necessary state
2344 * transitions and to release the ndlps associated with the @vport. Note,
2345 * the physical port is treated as @vport 0.
2348 lpfc_cleanup(struct lpfc_vport
*vport
)
2350 struct lpfc_hba
*phba
= vport
->phba
;
2351 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2354 if (phba
->link_state
> LPFC_LINK_DOWN
)
2355 lpfc_port_link_failure(vport
);
2357 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
2358 if (!NLP_CHK_NODE_ACT(ndlp
)) {
2359 ndlp
= lpfc_enable_node(vport
, ndlp
,
2360 NLP_STE_UNUSED_NODE
);
2363 spin_lock_irq(&phba
->ndlp_lock
);
2364 NLP_SET_FREE_REQ(ndlp
);
2365 spin_unlock_irq(&phba
->ndlp_lock
);
2366 /* Trigger the release of the ndlp memory */
2370 spin_lock_irq(&phba
->ndlp_lock
);
2371 if (NLP_CHK_FREE_REQ(ndlp
)) {
2372 /* The ndlp should not be in memory free mode already */
2373 spin_unlock_irq(&phba
->ndlp_lock
);
2376 /* Indicate request for freeing ndlp memory */
2377 NLP_SET_FREE_REQ(ndlp
);
2378 spin_unlock_irq(&phba
->ndlp_lock
);
2380 if (vport
->port_type
!= LPFC_PHYSICAL_PORT
&&
2381 ndlp
->nlp_DID
== Fabric_DID
) {
2382 /* Just free up ndlp with Fabric_DID for vports */
2387 /* take care of nodes in unused state before the state
2388 * machine taking action.
2390 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
) {
2395 if (ndlp
->nlp_type
& NLP_FABRIC
)
2396 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2397 NLP_EVT_DEVICE_RECOVERY
);
2399 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2403 /* At this point, ALL ndlp's should be gone
2404 * because of the previous NLP_EVT_DEVICE_RM.
2405 * Lets wait for this to happen, if needed.
2407 while (!list_empty(&vport
->fc_nodes
)) {
2409 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
2410 "0233 Nodelist not empty\n");
2411 list_for_each_entry_safe(ndlp
, next_ndlp
,
2412 &vport
->fc_nodes
, nlp_listp
) {
2413 lpfc_printf_vlog(ndlp
->vport
, KERN_ERR
,
2415 "0282 did:x%x ndlp:x%p "
2416 "usgmap:x%x refcnt:%d\n",
2417 ndlp
->nlp_DID
, (void *)ndlp
,
2420 &ndlp
->kref
.refcount
));
2425 /* Wait for any activity on ndlps to settle */
2428 lpfc_cleanup_vports_rrqs(vport
, NULL
);
2432 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2433 * @vport: pointer to a virtual N_Port data structure.
2435 * This routine stops all the timers associated with a @vport. This function
2436 * is invoked before disabling or deleting a @vport. Note that the physical
2437 * port is treated as @vport 0.
2440 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
2442 del_timer_sync(&vport
->els_tmofunc
);
2443 del_timer_sync(&vport
->fc_fdmitmo
);
2444 del_timer_sync(&vport
->delayed_disc_tmo
);
2445 lpfc_can_disctmo(vport
);
2450 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2451 * @phba: pointer to lpfc hba data structure.
2453 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2454 * caller of this routine should already hold the host lock.
2457 __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2459 /* Clear pending FCF rediscovery wait flag */
2460 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
2462 /* Now, try to stop the timer */
2463 del_timer(&phba
->fcf
.redisc_wait
);
2467 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2468 * @phba: pointer to lpfc hba data structure.
2470 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2471 * checks whether the FCF rediscovery wait timer is pending with the host
2472 * lock held before proceeding with disabling the timer and clearing the
2473 * wait timer pendig flag.
2476 lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2478 spin_lock_irq(&phba
->hbalock
);
2479 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
2480 /* FCF rediscovery timer already fired or stopped */
2481 spin_unlock_irq(&phba
->hbalock
);
2484 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2485 /* Clear failover in progress flags */
2486 phba
->fcf
.fcf_flag
&= ~(FCF_DEAD_DISC
| FCF_ACVL_DISC
);
2487 spin_unlock_irq(&phba
->hbalock
);
2491 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2492 * @phba: pointer to lpfc hba data structure.
2494 * This routine stops all the timers associated with a HBA. This function is
2495 * invoked before either putting a HBA offline or unloading the driver.
2498 lpfc_stop_hba_timers(struct lpfc_hba
*phba
)
2500 lpfc_stop_vport_timers(phba
->pport
);
2501 del_timer_sync(&phba
->sli
.mbox_tmo
);
2502 del_timer_sync(&phba
->fabric_block_timer
);
2503 del_timer_sync(&phba
->eratt_poll
);
2504 del_timer_sync(&phba
->hb_tmofunc
);
2505 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2506 del_timer_sync(&phba
->rrq_tmr
);
2507 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
2509 phba
->hb_outstanding
= 0;
2511 switch (phba
->pci_dev_grp
) {
2512 case LPFC_PCI_DEV_LP
:
2513 /* Stop any LightPulse device specific driver timers */
2514 del_timer_sync(&phba
->fcp_poll_timer
);
2516 case LPFC_PCI_DEV_OC
:
2517 /* Stop any OneConnect device sepcific driver timers */
2518 lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2521 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2522 "0297 Invalid device group (x%x)\n",
2530 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2531 * @phba: pointer to lpfc hba data structure.
2533 * This routine marks a HBA's management interface as blocked. Once the HBA's
2534 * management interface is marked as blocked, all the user space access to
2535 * the HBA, whether they are from sysfs interface or libdfc interface will
2536 * all be blocked. The HBA is set to block the management interface when the
2537 * driver prepares the HBA interface for online or offline.
2540 lpfc_block_mgmt_io(struct lpfc_hba
*phba
, int mbx_action
)
2542 unsigned long iflag
;
2543 uint8_t actcmd
= MBX_HEARTBEAT
;
2544 unsigned long timeout
;
2546 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2547 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
2548 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2549 if (mbx_action
== LPFC_MBX_NO_WAIT
)
2551 timeout
= msecs_to_jiffies(LPFC_MBOX_TMO
* 1000) + jiffies
;
2552 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2553 if (phba
->sli
.mbox_active
) {
2554 actcmd
= phba
->sli
.mbox_active
->u
.mb
.mbxCommand
;
2555 /* Determine how long we might wait for the active mailbox
2556 * command to be gracefully completed by firmware.
2558 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
,
2559 phba
->sli
.mbox_active
) * 1000) + jiffies
;
2561 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2563 /* Wait for the outstnading mailbox command to complete */
2564 while (phba
->sli
.mbox_active
) {
2565 /* Check active mailbox complete status every 2ms */
2567 if (time_after(jiffies
, timeout
)) {
2568 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2569 "2813 Mgmt IO is Blocked %x "
2570 "- mbox cmd %x still active\n",
2571 phba
->sli
.sli_flag
, actcmd
);
2578 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
2579 * @phba: pointer to lpfc hba data structure.
2581 * Allocate RPIs for all active remote nodes. This is needed whenever
2582 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
2583 * is to fixup the temporary rpi assignments.
2586 lpfc_sli4_node_prep(struct lpfc_hba
*phba
)
2588 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2589 struct lpfc_vport
**vports
;
2592 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
2595 vports
= lpfc_create_vport_work_array(phba
);
2596 if (vports
!= NULL
) {
2597 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2598 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2601 list_for_each_entry_safe(ndlp
, next_ndlp
,
2602 &vports
[i
]->fc_nodes
,
2604 if (NLP_CHK_NODE_ACT(ndlp
))
2606 lpfc_sli4_alloc_rpi(phba
);
2610 lpfc_destroy_vport_work_array(phba
, vports
);
2614 * lpfc_online - Initialize and bring a HBA online
2615 * @phba: pointer to lpfc hba data structure.
2617 * This routine initializes the HBA and brings a HBA online. During this
2618 * process, the management interface is blocked to prevent user space access
2619 * to the HBA interfering with the driver initialization.
2626 lpfc_online(struct lpfc_hba
*phba
)
2628 struct lpfc_vport
*vport
;
2629 struct lpfc_vport
**vports
;
2634 vport
= phba
->pport
;
2636 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
2639 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2640 "0458 Bring Adapter online\n");
2642 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
2644 if (!lpfc_sli_queue_setup(phba
)) {
2645 lpfc_unblock_mgmt_io(phba
);
2649 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2650 if (lpfc_sli4_hba_setup(phba
)) { /* Initialize SLI4 HBA */
2651 lpfc_unblock_mgmt_io(phba
);
2655 if (lpfc_sli_hba_setup(phba
)) { /* Initialize SLI2/SLI3 HBA */
2656 lpfc_unblock_mgmt_io(phba
);
2661 vports
= lpfc_create_vport_work_array(phba
);
2663 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2664 struct Scsi_Host
*shost
;
2665 shost
= lpfc_shost_from_vport(vports
[i
]);
2666 spin_lock_irq(shost
->host_lock
);
2667 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
2668 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
2669 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2670 if (phba
->sli_rev
== LPFC_SLI_REV4
)
2671 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
2672 spin_unlock_irq(shost
->host_lock
);
2674 lpfc_destroy_vport_work_array(phba
, vports
);
2676 lpfc_unblock_mgmt_io(phba
);
2681 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
2682 * @phba: pointer to lpfc hba data structure.
2684 * This routine marks a HBA's management interface as not blocked. Once the
2685 * HBA's management interface is marked as not blocked, all the user space
2686 * access to the HBA, whether they are from sysfs interface or libdfc
2687 * interface will be allowed. The HBA is set to block the management interface
2688 * when the driver prepares the HBA interface for online or offline and then
2689 * set to unblock the management interface afterwards.
2692 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
2694 unsigned long iflag
;
2696 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2697 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
2698 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2702 * lpfc_offline_prep - Prepare a HBA to be brought offline
2703 * @phba: pointer to lpfc hba data structure.
2705 * This routine is invoked to prepare a HBA to be brought offline. It performs
2706 * unregistration login to all the nodes on all vports and flushes the mailbox
2707 * queue to make it ready to be brought offline.
2710 lpfc_offline_prep(struct lpfc_hba
*phba
, int mbx_action
)
2712 struct lpfc_vport
*vport
= phba
->pport
;
2713 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2714 struct lpfc_vport
**vports
;
2715 struct Scsi_Host
*shost
;
2718 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
2721 lpfc_block_mgmt_io(phba
, mbx_action
);
2723 lpfc_linkdown(phba
);
2725 /* Issue an unreg_login to all nodes on all vports */
2726 vports
= lpfc_create_vport_work_array(phba
);
2727 if (vports
!= NULL
) {
2728 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2729 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2731 shost
= lpfc_shost_from_vport(vports
[i
]);
2732 spin_lock_irq(shost
->host_lock
);
2733 vports
[i
]->vpi_state
&= ~LPFC_VPI_REGISTERED
;
2734 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2735 vports
[i
]->fc_flag
&= ~FC_VFI_REGISTERED
;
2736 spin_unlock_irq(shost
->host_lock
);
2738 shost
= lpfc_shost_from_vport(vports
[i
]);
2739 list_for_each_entry_safe(ndlp
, next_ndlp
,
2740 &vports
[i
]->fc_nodes
,
2742 if (!NLP_CHK_NODE_ACT(ndlp
))
2744 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
2746 if (ndlp
->nlp_type
& NLP_FABRIC
) {
2747 lpfc_disc_state_machine(vports
[i
], ndlp
,
2748 NULL
, NLP_EVT_DEVICE_RECOVERY
);
2749 lpfc_disc_state_machine(vports
[i
], ndlp
,
2750 NULL
, NLP_EVT_DEVICE_RM
);
2752 spin_lock_irq(shost
->host_lock
);
2753 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
2754 spin_unlock_irq(shost
->host_lock
);
2756 * Whenever an SLI4 port goes offline, free the
2757 * RPI. Get a new RPI when the adapter port
2758 * comes back online.
2760 if (phba
->sli_rev
== LPFC_SLI_REV4
)
2761 lpfc_sli4_free_rpi(phba
, ndlp
->nlp_rpi
);
2762 lpfc_unreg_rpi(vports
[i
], ndlp
);
2766 lpfc_destroy_vport_work_array(phba
, vports
);
2768 lpfc_sli_mbox_sys_shutdown(phba
, mbx_action
);
2772 * lpfc_offline - Bring a HBA offline
2773 * @phba: pointer to lpfc hba data structure.
2775 * This routine actually brings a HBA offline. It stops all the timers
2776 * associated with the HBA, brings down the SLI layer, and eventually
2777 * marks the HBA as in offline state for the upper layer protocol.
2780 lpfc_offline(struct lpfc_hba
*phba
)
2782 struct Scsi_Host
*shost
;
2783 struct lpfc_vport
**vports
;
2786 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
2789 /* stop port and all timers associated with this hba */
2790 lpfc_stop_port(phba
);
2791 vports
= lpfc_create_vport_work_array(phba
);
2793 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
2794 lpfc_stop_vport_timers(vports
[i
]);
2795 lpfc_destroy_vport_work_array(phba
, vports
);
2796 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2797 "0460 Bring Adapter offline\n");
2798 /* Bring down the SLI Layer and cleanup. The HBA is offline
2800 lpfc_sli_hba_down(phba
);
2801 spin_lock_irq(&phba
->hbalock
);
2803 spin_unlock_irq(&phba
->hbalock
);
2804 vports
= lpfc_create_vport_work_array(phba
);
2806 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2807 shost
= lpfc_shost_from_vport(vports
[i
]);
2808 spin_lock_irq(shost
->host_lock
);
2809 vports
[i
]->work_port_events
= 0;
2810 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
2811 spin_unlock_irq(shost
->host_lock
);
2813 lpfc_destroy_vport_work_array(phba
, vports
);
2817 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
2818 * @phba: pointer to lpfc hba data structure.
2820 * This routine is to free all the SCSI buffers and IOCBs from the driver
2821 * list back to kernel. It is called from lpfc_pci_remove_one to free
2822 * the internal resources before the device is removed from the system.
2825 lpfc_scsi_free(struct lpfc_hba
*phba
)
2827 struct lpfc_scsi_buf
*sb
, *sb_next
;
2828 struct lpfc_iocbq
*io
, *io_next
;
2830 spin_lock_irq(&phba
->hbalock
);
2831 /* Release all the lpfc_scsi_bufs maintained by this host. */
2832 spin_lock(&phba
->scsi_buf_list_lock
);
2833 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
) {
2834 list_del(&sb
->list
);
2835 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
2838 phba
->total_scsi_bufs
--;
2840 spin_unlock(&phba
->scsi_buf_list_lock
);
2842 /* Release all the lpfc_iocbq entries maintained by this host. */
2843 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
2844 list_del(&io
->list
);
2846 phba
->total_iocbq_bufs
--;
2849 spin_unlock_irq(&phba
->hbalock
);
2853 * lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping
2854 * @phba: pointer to lpfc hba data structure.
2856 * This routine first calculates the sizes of the current els and allocated
2857 * scsi sgl lists, and then goes through all sgls to updates the physical
2858 * XRIs assigned due to port function reset. During port initialization, the
2859 * current els and allocated scsi sgl lists are 0s.
2862 * 0 - successful (for now, it always returns 0)
2865 lpfc_sli4_xri_sgl_update(struct lpfc_hba
*phba
)
2867 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_entry_next
= NULL
;
2868 struct lpfc_scsi_buf
*psb
= NULL
, *psb_next
= NULL
;
2869 uint16_t i
, lxri
, xri_cnt
, els_xri_cnt
, scsi_xri_cnt
;
2870 LIST_HEAD(els_sgl_list
);
2871 LIST_HEAD(scsi_sgl_list
);
2875 * update on pci function's els xri-sgl list
2877 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
2878 if (els_xri_cnt
> phba
->sli4_hba
.els_xri_cnt
) {
2879 /* els xri-sgl expanded */
2880 xri_cnt
= els_xri_cnt
- phba
->sli4_hba
.els_xri_cnt
;
2881 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
2882 "3157 ELS xri-sgl count increased from "
2883 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
2885 /* allocate the additional els sgls */
2886 for (i
= 0; i
< xri_cnt
; i
++) {
2887 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
),
2889 if (sglq_entry
== NULL
) {
2890 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2891 "2562 Failure to allocate an "
2892 "ELS sgl entry:%d\n", i
);
2896 sglq_entry
->buff_type
= GEN_BUFF_TYPE
;
2897 sglq_entry
->virt
= lpfc_mbuf_alloc(phba
, 0,
2899 if (sglq_entry
->virt
== NULL
) {
2901 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2902 "2563 Failure to allocate an "
2903 "ELS mbuf:%d\n", i
);
2907 sglq_entry
->sgl
= sglq_entry
->virt
;
2908 memset(sglq_entry
->sgl
, 0, LPFC_BPL_SIZE
);
2909 sglq_entry
->state
= SGL_FREED
;
2910 list_add_tail(&sglq_entry
->list
, &els_sgl_list
);
2912 spin_lock(&phba
->hbalock
);
2913 list_splice_init(&els_sgl_list
, &phba
->sli4_hba
.lpfc_sgl_list
);
2914 spin_unlock(&phba
->hbalock
);
2915 } else if (els_xri_cnt
< phba
->sli4_hba
.els_xri_cnt
) {
2916 /* els xri-sgl shrinked */
2917 xri_cnt
= phba
->sli4_hba
.els_xri_cnt
- els_xri_cnt
;
2918 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
2919 "3158 ELS xri-sgl count decreased from "
2920 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
2922 spin_lock_irq(&phba
->hbalock
);
2923 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &els_sgl_list
);
2924 spin_unlock_irq(&phba
->hbalock
);
2925 /* release extra els sgls from list */
2926 for (i
= 0; i
< xri_cnt
; i
++) {
2927 list_remove_head(&els_sgl_list
,
2928 sglq_entry
, struct lpfc_sglq
, list
);
2930 lpfc_mbuf_free(phba
, sglq_entry
->virt
,
2935 spin_lock_irq(&phba
->hbalock
);
2936 list_splice_init(&els_sgl_list
, &phba
->sli4_hba
.lpfc_sgl_list
);
2937 spin_unlock_irq(&phba
->hbalock
);
2939 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
2940 "3163 ELS xri-sgl count unchanged: %d\n",
2942 phba
->sli4_hba
.els_xri_cnt
= els_xri_cnt
;
2944 /* update xris to els sgls on the list */
2946 sglq_entry_next
= NULL
;
2947 list_for_each_entry_safe(sglq_entry
, sglq_entry_next
,
2948 &phba
->sli4_hba
.lpfc_sgl_list
, list
) {
2949 lxri
= lpfc_sli4_next_xritag(phba
);
2950 if (lxri
== NO_XRI
) {
2951 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2952 "2400 Failed to allocate xri for "
2957 sglq_entry
->sli4_lxritag
= lxri
;
2958 sglq_entry
->sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
2962 * update on pci function's allocated scsi xri-sgl list
2964 phba
->total_scsi_bufs
= 0;
2966 /* maximum number of xris available for scsi buffers */
2967 phba
->sli4_hba
.scsi_xri_max
= phba
->sli4_hba
.max_cfg_param
.max_xri
-
2970 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
2971 "2401 Current allocated SCSI xri-sgl count:%d, "
2972 "maximum SCSI xri count:%d\n",
2973 phba
->sli4_hba
.scsi_xri_cnt
,
2974 phba
->sli4_hba
.scsi_xri_max
);
2976 spin_lock_irq(&phba
->scsi_buf_list_lock
);
2977 list_splice_init(&phba
->lpfc_scsi_buf_list
, &scsi_sgl_list
);
2978 spin_unlock_irq(&phba
->scsi_buf_list_lock
);
2980 if (phba
->sli4_hba
.scsi_xri_cnt
> phba
->sli4_hba
.scsi_xri_max
) {
2981 /* max scsi xri shrinked below the allocated scsi buffers */
2982 scsi_xri_cnt
= phba
->sli4_hba
.scsi_xri_cnt
-
2983 phba
->sli4_hba
.scsi_xri_max
;
2984 /* release the extra allocated scsi buffers */
2985 for (i
= 0; i
< scsi_xri_cnt
; i
++) {
2986 list_remove_head(&scsi_sgl_list
, psb
,
2987 struct lpfc_scsi_buf
, list
);
2988 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, psb
->data
,
2992 spin_lock_irq(&phba
->scsi_buf_list_lock
);
2993 phba
->sli4_hba
.scsi_xri_cnt
-= scsi_xri_cnt
;
2994 spin_unlock_irq(&phba
->scsi_buf_list_lock
);
2997 /* update xris associated to remaining allocated scsi buffers */
3000 list_for_each_entry_safe(psb
, psb_next
, &scsi_sgl_list
, list
) {
3001 lxri
= lpfc_sli4_next_xritag(phba
);
3002 if (lxri
== NO_XRI
) {
3003 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3004 "2560 Failed to allocate xri for "
3009 psb
->cur_iocbq
.sli4_lxritag
= lxri
;
3010 psb
->cur_iocbq
.sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3012 spin_lock(&phba
->scsi_buf_list_lock
);
3013 list_splice_init(&scsi_sgl_list
, &phba
->lpfc_scsi_buf_list
);
3014 spin_unlock(&phba
->scsi_buf_list_lock
);
3019 lpfc_free_els_sgl_list(phba
);
3020 lpfc_scsi_free(phba
);
3025 * lpfc_create_port - Create an FC port
3026 * @phba: pointer to lpfc hba data structure.
3027 * @instance: a unique integer ID to this FC port.
3028 * @dev: pointer to the device data structure.
3030 * This routine creates a FC port for the upper layer protocol. The FC port
3031 * can be created on top of either a physical port or a virtual port provided
3032 * by the HBA. This routine also allocates a SCSI host data structure (shost)
3033 * and associates the FC port created before adding the shost into the SCSI
3037 * @vport - pointer to the virtual N_Port data structure.
3038 * NULL - port create failed.
3041 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
3043 struct lpfc_vport
*vport
;
3044 struct Scsi_Host
*shost
;
3047 if (dev
!= &phba
->pcidev
->dev
)
3048 shost
= scsi_host_alloc(&lpfc_vport_template
,
3049 sizeof(struct lpfc_vport
));
3051 shost
= scsi_host_alloc(&lpfc_template
,
3052 sizeof(struct lpfc_vport
));
3056 vport
= (struct lpfc_vport
*) shost
->hostdata
;
3058 vport
->load_flag
|= FC_LOADING
;
3059 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
3060 vport
->fc_rscn_flush
= 0;
3062 lpfc_get_vport_cfgparam(vport
);
3063 shost
->unique_id
= instance
;
3064 shost
->max_id
= LPFC_MAX_TARGET
;
3065 shost
->max_lun
= vport
->cfg_max_luns
;
3066 shost
->this_id
= -1;
3067 shost
->max_cmd_len
= 16;
3068 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
3069 shost
->dma_boundary
=
3070 phba
->sli4_hba
.pc_sli4_params
.sge_supp_len
-1;
3071 shost
->sg_tablesize
= phba
->cfg_sg_seg_cnt
;
3075 * Set initial can_queue value since 0 is no longer supported and
3076 * scsi_add_host will fail. This will be adjusted later based on the
3077 * max xri value determined in hba setup.
3079 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
3080 if (dev
!= &phba
->pcidev
->dev
) {
3081 shost
->transportt
= lpfc_vport_transport_template
;
3082 vport
->port_type
= LPFC_NPIV_PORT
;
3084 shost
->transportt
= lpfc_transport_template
;
3085 vport
->port_type
= LPFC_PHYSICAL_PORT
;
3088 /* Initialize all internally managed lists. */
3089 INIT_LIST_HEAD(&vport
->fc_nodes
);
3090 INIT_LIST_HEAD(&vport
->rcv_buffer_list
);
3091 spin_lock_init(&vport
->work_port_lock
);
3093 init_timer(&vport
->fc_disctmo
);
3094 vport
->fc_disctmo
.function
= lpfc_disc_timeout
;
3095 vport
->fc_disctmo
.data
= (unsigned long)vport
;
3097 init_timer(&vport
->fc_fdmitmo
);
3098 vport
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
3099 vport
->fc_fdmitmo
.data
= (unsigned long)vport
;
3101 init_timer(&vport
->els_tmofunc
);
3102 vport
->els_tmofunc
.function
= lpfc_els_timeout
;
3103 vport
->els_tmofunc
.data
= (unsigned long)vport
;
3105 init_timer(&vport
->delayed_disc_tmo
);
3106 vport
->delayed_disc_tmo
.function
= lpfc_delayed_disc_tmo
;
3107 vport
->delayed_disc_tmo
.data
= (unsigned long)vport
;
3109 error
= scsi_add_host_with_dma(shost
, dev
, &phba
->pcidev
->dev
);
3113 spin_lock_irq(&phba
->hbalock
);
3114 list_add_tail(&vport
->listentry
, &phba
->port_list
);
3115 spin_unlock_irq(&phba
->hbalock
);
3119 scsi_host_put(shost
);
3125 * destroy_port - destroy an FC port
3126 * @vport: pointer to an lpfc virtual N_Port data structure.
3128 * This routine destroys a FC port from the upper layer protocol. All the
3129 * resources associated with the port are released.
3132 destroy_port(struct lpfc_vport
*vport
)
3134 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3135 struct lpfc_hba
*phba
= vport
->phba
;
3137 lpfc_debugfs_terminate(vport
);
3138 fc_remove_host(shost
);
3139 scsi_remove_host(shost
);
3141 spin_lock_irq(&phba
->hbalock
);
3142 list_del_init(&vport
->listentry
);
3143 spin_unlock_irq(&phba
->hbalock
);
3145 lpfc_cleanup(vport
);
3150 * lpfc_get_instance - Get a unique integer ID
3152 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
3153 * uses the kernel idr facility to perform the task.
3156 * instance - a unique integer ID allocated as the new instance.
3157 * -1 - lpfc get instance failed.
3160 lpfc_get_instance(void)
3164 /* Assign an unused number */
3165 if (!idr_pre_get(&lpfc_hba_index
, GFP_KERNEL
))
3167 if (idr_get_new(&lpfc_hba_index
, NULL
, &instance
))
3173 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
3174 * @shost: pointer to SCSI host data structure.
3175 * @time: elapsed time of the scan in jiffies.
3177 * This routine is called by the SCSI layer with a SCSI host to determine
3178 * whether the scan host is finished.
3180 * Note: there is no scan_start function as adapter initialization will have
3181 * asynchronously kicked off the link initialization.
3184 * 0 - SCSI host scan is not over yet.
3185 * 1 - SCSI host scan is over.
3187 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
3189 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3190 struct lpfc_hba
*phba
= vport
->phba
;
3193 spin_lock_irq(shost
->host_lock
);
3195 if (vport
->load_flag
& FC_UNLOADING
) {
3199 if (time
>= 30 * HZ
) {
3200 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3201 "0461 Scanning longer than 30 "
3202 "seconds. Continuing initialization\n");
3206 if (time
>= 15 * HZ
&& phba
->link_state
<= LPFC_LINK_DOWN
) {
3207 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3208 "0465 Link down longer than 15 "
3209 "seconds. Continuing initialization\n");
3214 if (vport
->port_state
!= LPFC_VPORT_READY
)
3216 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
3218 if (vport
->fc_map_cnt
== 0 && time
< 2 * HZ
)
3220 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
3226 spin_unlock_irq(shost
->host_lock
);
3231 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
3232 * @shost: pointer to SCSI host data structure.
3234 * This routine initializes a given SCSI host attributes on a FC port. The
3235 * SCSI host can be either on top of a physical port or a virtual port.
3237 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
3239 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3240 struct lpfc_hba
*phba
= vport
->phba
;
3242 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
3245 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
3246 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
3247 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
3249 memset(fc_host_supported_fc4s(shost
), 0,
3250 sizeof(fc_host_supported_fc4s(shost
)));
3251 fc_host_supported_fc4s(shost
)[2] = 1;
3252 fc_host_supported_fc4s(shost
)[7] = 1;
3254 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
3255 sizeof fc_host_symbolic_name(shost
));
3257 fc_host_supported_speeds(shost
) = 0;
3258 if (phba
->lmt
& LMT_16Gb
)
3259 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_16GBIT
;
3260 if (phba
->lmt
& LMT_10Gb
)
3261 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
3262 if (phba
->lmt
& LMT_8Gb
)
3263 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
3264 if (phba
->lmt
& LMT_4Gb
)
3265 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
3266 if (phba
->lmt
& LMT_2Gb
)
3267 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
3268 if (phba
->lmt
& LMT_1Gb
)
3269 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
3271 fc_host_maxframe_size(shost
) =
3272 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
3273 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
3275 fc_host_dev_loss_tmo(shost
) = vport
->cfg_devloss_tmo
;
3277 /* This value is also unchanging */
3278 memset(fc_host_active_fc4s(shost
), 0,
3279 sizeof(fc_host_active_fc4s(shost
)));
3280 fc_host_active_fc4s(shost
)[2] = 1;
3281 fc_host_active_fc4s(shost
)[7] = 1;
3283 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
3284 spin_lock_irq(shost
->host_lock
);
3285 vport
->load_flag
&= ~FC_LOADING
;
3286 spin_unlock_irq(shost
->host_lock
);
3290 * lpfc_stop_port_s3 - Stop SLI3 device port
3291 * @phba: pointer to lpfc hba data structure.
3293 * This routine is invoked to stop an SLI3 device port, it stops the device
3294 * from generating interrupts and stops the device driver's timers for the
3298 lpfc_stop_port_s3(struct lpfc_hba
*phba
)
3300 /* Clear all interrupt enable conditions */
3301 writel(0, phba
->HCregaddr
);
3302 readl(phba
->HCregaddr
); /* flush */
3303 /* Clear all pending interrupts */
3304 writel(0xffffffff, phba
->HAregaddr
);
3305 readl(phba
->HAregaddr
); /* flush */
3307 /* Reset some HBA SLI setup states */
3308 lpfc_stop_hba_timers(phba
);
3309 phba
->pport
->work_port_events
= 0;
3313 * lpfc_stop_port_s4 - Stop SLI4 device port
3314 * @phba: pointer to lpfc hba data structure.
3316 * This routine is invoked to stop an SLI4 device port, it stops the device
3317 * from generating interrupts and stops the device driver's timers for the
3321 lpfc_stop_port_s4(struct lpfc_hba
*phba
)
3323 /* Reset some HBA SLI4 setup states */
3324 lpfc_stop_hba_timers(phba
);
3325 phba
->pport
->work_port_events
= 0;
3326 phba
->sli4_hba
.intr_enable
= 0;
3330 * lpfc_stop_port - Wrapper function for stopping hba port
3331 * @phba: Pointer to HBA context object.
3333 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
3334 * the API jump table function pointer from the lpfc_hba struct.
3337 lpfc_stop_port(struct lpfc_hba
*phba
)
3339 phba
->lpfc_stop_port(phba
);
3343 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
3344 * @phba: Pointer to hba for which this call is being executed.
3346 * This routine starts the timer waiting for the FCF rediscovery to complete.
3349 lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba
*phba
)
3351 unsigned long fcf_redisc_wait_tmo
=
3352 (jiffies
+ msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO
));
3353 /* Start fcf rediscovery wait period timer */
3354 mod_timer(&phba
->fcf
.redisc_wait
, fcf_redisc_wait_tmo
);
3355 spin_lock_irq(&phba
->hbalock
);
3356 /* Allow action to new fcf asynchronous event */
3357 phba
->fcf
.fcf_flag
&= ~(FCF_AVAILABLE
| FCF_SCAN_DONE
);
3358 /* Mark the FCF rediscovery pending state */
3359 phba
->fcf
.fcf_flag
|= FCF_REDISC_PEND
;
3360 spin_unlock_irq(&phba
->hbalock
);
3364 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
3365 * @ptr: Map to lpfc_hba data structure pointer.
3367 * This routine is invoked when waiting for FCF table rediscover has been
3368 * timed out. If new FCF record(s) has (have) been discovered during the
3369 * wait period, a new FCF event shall be added to the FCOE async event
3370 * list, and then worker thread shall be waked up for processing from the
3371 * worker thread context.
3374 lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr
)
3376 struct lpfc_hba
*phba
= (struct lpfc_hba
*)ptr
;
3378 /* Don't send FCF rediscovery event if timer cancelled */
3379 spin_lock_irq(&phba
->hbalock
);
3380 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
3381 spin_unlock_irq(&phba
->hbalock
);
3384 /* Clear FCF rediscovery timer pending flag */
3385 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
3386 /* FCF rediscovery event to worker thread */
3387 phba
->fcf
.fcf_flag
|= FCF_REDISC_EVT
;
3388 spin_unlock_irq(&phba
->hbalock
);
3389 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
3390 "2776 FCF rediscover quiescent timer expired\n");
3391 /* wake up worker thread */
3392 lpfc_worker_wake_up(phba
);
3396 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
3397 * @phba: pointer to lpfc hba data structure.
3398 * @acqe_link: pointer to the async link completion queue entry.
3400 * This routine is to parse the SLI4 link-attention link fault code and
3401 * translate it into the base driver's read link attention mailbox command
3404 * Return: Link-attention status in terms of base driver's coding.
3407 lpfc_sli4_parse_latt_fault(struct lpfc_hba
*phba
,
3408 struct lpfc_acqe_link
*acqe_link
)
3410 uint16_t latt_fault
;
3412 switch (bf_get(lpfc_acqe_link_fault
, acqe_link
)) {
3413 case LPFC_ASYNC_LINK_FAULT_NONE
:
3414 case LPFC_ASYNC_LINK_FAULT_LOCAL
:
3415 case LPFC_ASYNC_LINK_FAULT_REMOTE
:
3419 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3420 "0398 Invalid link fault code: x%x\n",
3421 bf_get(lpfc_acqe_link_fault
, acqe_link
));
3422 latt_fault
= MBXERR_ERROR
;
3429 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
3430 * @phba: pointer to lpfc hba data structure.
3431 * @acqe_link: pointer to the async link completion queue entry.
3433 * This routine is to parse the SLI4 link attention type and translate it
3434 * into the base driver's link attention type coding.
3436 * Return: Link attention type in terms of base driver's coding.
3439 lpfc_sli4_parse_latt_type(struct lpfc_hba
*phba
,
3440 struct lpfc_acqe_link
*acqe_link
)
3444 switch (bf_get(lpfc_acqe_link_status
, acqe_link
)) {
3445 case LPFC_ASYNC_LINK_STATUS_DOWN
:
3446 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN
:
3447 att_type
= LPFC_ATT_LINK_DOWN
;
3449 case LPFC_ASYNC_LINK_STATUS_UP
:
3450 /* Ignore physical link up events - wait for logical link up */
3451 att_type
= LPFC_ATT_RESERVED
;
3453 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP
:
3454 att_type
= LPFC_ATT_LINK_UP
;
3457 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3458 "0399 Invalid link attention type: x%x\n",
3459 bf_get(lpfc_acqe_link_status
, acqe_link
));
3460 att_type
= LPFC_ATT_RESERVED
;
3467 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
3468 * @phba: pointer to lpfc hba data structure.
3469 * @acqe_link: pointer to the async link completion queue entry.
3471 * This routine is to parse the SLI4 link-attention link speed and translate
3472 * it into the base driver's link-attention link speed coding.
3474 * Return: Link-attention link speed in terms of base driver's coding.
3477 lpfc_sli4_parse_latt_link_speed(struct lpfc_hba
*phba
,
3478 struct lpfc_acqe_link
*acqe_link
)
3482 switch (bf_get(lpfc_acqe_link_speed
, acqe_link
)) {
3483 case LPFC_ASYNC_LINK_SPEED_ZERO
:
3484 case LPFC_ASYNC_LINK_SPEED_10MBPS
:
3485 case LPFC_ASYNC_LINK_SPEED_100MBPS
:
3486 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3488 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
3489 link_speed
= LPFC_LINK_SPEED_1GHZ
;
3491 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
3492 link_speed
= LPFC_LINK_SPEED_10GHZ
;
3495 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3496 "0483 Invalid link-attention link speed: x%x\n",
3497 bf_get(lpfc_acqe_link_speed
, acqe_link
));
3498 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3505 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
3506 * @phba: pointer to lpfc hba data structure.
3507 * @acqe_link: pointer to the async link completion queue entry.
3509 * This routine is to handle the SLI4 asynchronous FCoE link event.
3512 lpfc_sli4_async_link_evt(struct lpfc_hba
*phba
,
3513 struct lpfc_acqe_link
*acqe_link
)
3515 struct lpfc_dmabuf
*mp
;
3518 struct lpfc_mbx_read_top
*la
;
3522 att_type
= lpfc_sli4_parse_latt_type(phba
, acqe_link
);
3523 if (att_type
!= LPFC_ATT_LINK_DOWN
&& att_type
!= LPFC_ATT_LINK_UP
)
3525 phba
->fcoe_eventtag
= acqe_link
->event_tag
;
3526 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3528 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3529 "0395 The mboxq allocation failed\n");
3532 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3534 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3535 "0396 The lpfc_dmabuf allocation failed\n");
3538 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3540 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3541 "0397 The mbuf allocation failed\n");
3542 goto out_free_dmabuf
;
3545 /* Cleanup any outstanding ELS commands */
3546 lpfc_els_flush_all_cmd(phba
);
3548 /* Block ELS IOCBs until we have done process link event */
3549 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3551 /* Update link event statistics */
3552 phba
->sli
.slistat
.link_event
++;
3554 /* Create lpfc_handle_latt mailbox command from link ACQE */
3555 lpfc_read_topology(phba
, pmb
, mp
);
3556 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3557 pmb
->vport
= phba
->pport
;
3559 /* Keep the link status for extra SLI4 state machine reference */
3560 phba
->sli4_hba
.link_state
.speed
=
3561 bf_get(lpfc_acqe_link_speed
, acqe_link
);
3562 phba
->sli4_hba
.link_state
.duplex
=
3563 bf_get(lpfc_acqe_link_duplex
, acqe_link
);
3564 phba
->sli4_hba
.link_state
.status
=
3565 bf_get(lpfc_acqe_link_status
, acqe_link
);
3566 phba
->sli4_hba
.link_state
.type
=
3567 bf_get(lpfc_acqe_link_type
, acqe_link
);
3568 phba
->sli4_hba
.link_state
.number
=
3569 bf_get(lpfc_acqe_link_number
, acqe_link
);
3570 phba
->sli4_hba
.link_state
.fault
=
3571 bf_get(lpfc_acqe_link_fault
, acqe_link
);
3572 phba
->sli4_hba
.link_state
.logical_speed
=
3573 bf_get(lpfc_acqe_logical_link_speed
, acqe_link
);
3574 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3575 "2900 Async FC/FCoE Link event - Speed:%dGBit "
3576 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
3577 "Logical speed:%dMbps Fault:%d\n",
3578 phba
->sli4_hba
.link_state
.speed
,
3579 phba
->sli4_hba
.link_state
.topology
,
3580 phba
->sli4_hba
.link_state
.status
,
3581 phba
->sli4_hba
.link_state
.type
,
3582 phba
->sli4_hba
.link_state
.number
,
3583 phba
->sli4_hba
.link_state
.logical_speed
* 10,
3584 phba
->sli4_hba
.link_state
.fault
);
3586 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
3587 * topology info. Note: Optional for non FC-AL ports.
3589 if (!(phba
->hba_flag
& HBA_FCOE_MODE
)) {
3590 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3591 if (rc
== MBX_NOT_FINISHED
)
3592 goto out_free_dmabuf
;
3596 * For FCoE Mode: fill in all the topology information we need and call
3597 * the READ_TOPOLOGY completion routine to continue without actually
3598 * sending the READ_TOPOLOGY mailbox command to the port.
3600 /* Parse and translate status field */
3602 mb
->mbxStatus
= lpfc_sli4_parse_latt_fault(phba
, acqe_link
);
3604 /* Parse and translate link attention fields */
3605 la
= (struct lpfc_mbx_read_top
*) &pmb
->u
.mb
.un
.varReadTop
;
3606 la
->eventTag
= acqe_link
->event_tag
;
3607 bf_set(lpfc_mbx_read_top_att_type
, la
, att_type
);
3608 bf_set(lpfc_mbx_read_top_link_spd
, la
,
3609 lpfc_sli4_parse_latt_link_speed(phba
, acqe_link
));
3611 /* Fake the the following irrelvant fields */
3612 bf_set(lpfc_mbx_read_top_topology
, la
, LPFC_TOPOLOGY_PT_PT
);
3613 bf_set(lpfc_mbx_read_top_alpa_granted
, la
, 0);
3614 bf_set(lpfc_mbx_read_top_il
, la
, 0);
3615 bf_set(lpfc_mbx_read_top_pb
, la
, 0);
3616 bf_set(lpfc_mbx_read_top_fa
, la
, 0);
3617 bf_set(lpfc_mbx_read_top_mm
, la
, 0);
3619 /* Invoke the lpfc_handle_latt mailbox command callback function */
3620 lpfc_mbx_cmpl_read_topology(phba
, pmb
);
3627 mempool_free(pmb
, phba
->mbox_mem_pool
);
3631 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
3632 * @phba: pointer to lpfc hba data structure.
3633 * @acqe_fc: pointer to the async fc completion queue entry.
3635 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
3636 * that the event was received and then issue a read_topology mailbox command so
3637 * that the rest of the driver will treat it the same as SLI3.
3640 lpfc_sli4_async_fc_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_fc_la
*acqe_fc
)
3642 struct lpfc_dmabuf
*mp
;
3646 if (bf_get(lpfc_trailer_type
, acqe_fc
) !=
3647 LPFC_FC_LA_EVENT_TYPE_FC_LINK
) {
3648 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3649 "2895 Non FC link Event detected.(%d)\n",
3650 bf_get(lpfc_trailer_type
, acqe_fc
));
3653 /* Keep the link status for extra SLI4 state machine reference */
3654 phba
->sli4_hba
.link_state
.speed
=
3655 bf_get(lpfc_acqe_fc_la_speed
, acqe_fc
);
3656 phba
->sli4_hba
.link_state
.duplex
= LPFC_ASYNC_LINK_DUPLEX_FULL
;
3657 phba
->sli4_hba
.link_state
.topology
=
3658 bf_get(lpfc_acqe_fc_la_topology
, acqe_fc
);
3659 phba
->sli4_hba
.link_state
.status
=
3660 bf_get(lpfc_acqe_fc_la_att_type
, acqe_fc
);
3661 phba
->sli4_hba
.link_state
.type
=
3662 bf_get(lpfc_acqe_fc_la_port_type
, acqe_fc
);
3663 phba
->sli4_hba
.link_state
.number
=
3664 bf_get(lpfc_acqe_fc_la_port_number
, acqe_fc
);
3665 phba
->sli4_hba
.link_state
.fault
=
3666 bf_get(lpfc_acqe_link_fault
, acqe_fc
);
3667 phba
->sli4_hba
.link_state
.logical_speed
=
3668 bf_get(lpfc_acqe_fc_la_llink_spd
, acqe_fc
);
3669 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3670 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
3671 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
3672 "%dMbps Fault:%d\n",
3673 phba
->sli4_hba
.link_state
.speed
,
3674 phba
->sli4_hba
.link_state
.topology
,
3675 phba
->sli4_hba
.link_state
.status
,
3676 phba
->sli4_hba
.link_state
.type
,
3677 phba
->sli4_hba
.link_state
.number
,
3678 phba
->sli4_hba
.link_state
.logical_speed
* 10,
3679 phba
->sli4_hba
.link_state
.fault
);
3680 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3682 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3683 "2897 The mboxq allocation failed\n");
3686 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3688 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3689 "2898 The lpfc_dmabuf allocation failed\n");
3692 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3694 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3695 "2899 The mbuf allocation failed\n");
3696 goto out_free_dmabuf
;
3699 /* Cleanup any outstanding ELS commands */
3700 lpfc_els_flush_all_cmd(phba
);
3702 /* Block ELS IOCBs until we have done process link event */
3703 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3705 /* Update link event statistics */
3706 phba
->sli
.slistat
.link_event
++;
3708 /* Create lpfc_handle_latt mailbox command from link ACQE */
3709 lpfc_read_topology(phba
, pmb
, mp
);
3710 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3711 pmb
->vport
= phba
->pport
;
3713 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3714 if (rc
== MBX_NOT_FINISHED
)
3715 goto out_free_dmabuf
;
3721 mempool_free(pmb
, phba
->mbox_mem_pool
);
3725 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
3726 * @phba: pointer to lpfc hba data structure.
3727 * @acqe_fc: pointer to the async SLI completion queue entry.
3729 * This routine is to handle the SLI4 asynchronous SLI events.
3732 lpfc_sli4_async_sli_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_sli
*acqe_sli
)
3737 struct lpfc_acqe_misconfigured_event
*misconfigured
;
3739 /* special case misconfigured event as it contains data for all ports */
3740 if ((bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
3741 LPFC_SLI_INTF_IF_TYPE_2
) ||
3742 (bf_get(lpfc_trailer_type
, acqe_sli
) !=
3743 LPFC_SLI_EVENT_TYPE_MISCONFIGURED
)) {
3744 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3745 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
3746 "x%08x SLI Event Type:%d\n",
3747 acqe_sli
->event_data1
, acqe_sli
->event_data2
,
3748 bf_get(lpfc_trailer_type
, acqe_sli
));
3752 port_name
= phba
->Port
[0];
3753 if (port_name
== 0x00)
3754 port_name
= '?'; /* get port name is empty */
3756 misconfigured
= (struct lpfc_acqe_misconfigured_event
*)
3757 &acqe_sli
->event_data1
;
3759 /* fetch the status for this port */
3760 switch (phba
->sli4_hba
.lnk_info
.lnk_no
) {
3761 case LPFC_LINK_NUMBER_0
:
3762 status
= bf_get(lpfc_sli_misconfigured_port0
,
3763 &misconfigured
->theEvent
);
3765 case LPFC_LINK_NUMBER_1
:
3766 status
= bf_get(lpfc_sli_misconfigured_port1
,
3767 &misconfigured
->theEvent
);
3769 case LPFC_LINK_NUMBER_2
:
3770 status
= bf_get(lpfc_sli_misconfigured_port2
,
3771 &misconfigured
->theEvent
);
3773 case LPFC_LINK_NUMBER_3
:
3774 status
= bf_get(lpfc_sli_misconfigured_port3
,
3775 &misconfigured
->theEvent
);
3778 status
= ~LPFC_SLI_EVENT_STATUS_VALID
;
3783 case LPFC_SLI_EVENT_STATUS_VALID
:
3784 return; /* no message if the sfp is okay */
3785 case LPFC_SLI_EVENT_STATUS_NOT_PRESENT
:
3786 sprintf(message
, "Optics faulted/incorrectly installed/not " \
3787 "installed - Reseat optics, if issue not "
3788 "resolved, replace.");
3790 case LPFC_SLI_EVENT_STATUS_WRONG_TYPE
:
3792 "Optics of two types installed - Remove one optic or " \
3793 "install matching pair of optics.");
3795 case LPFC_SLI_EVENT_STATUS_UNSUPPORTED
:
3796 sprintf(message
, "Incompatible optics - Replace with " \
3797 "compatible optics for card to function.");
3800 /* firmware is reporting a status we don't know about */
3801 sprintf(message
, "Unknown event status x%02x", status
);
3805 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3806 "3176 Misconfigured Physical Port - "
3807 "Port Name %c %s\n", port_name
, message
);
3811 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
3812 * @vport: pointer to vport data structure.
3814 * This routine is to perform Clear Virtual Link (CVL) on a vport in
3815 * response to a CVL event.
3817 * Return the pointer to the ndlp with the vport if successful, otherwise
3820 static struct lpfc_nodelist
*
3821 lpfc_sli4_perform_vport_cvl(struct lpfc_vport
*vport
)
3823 struct lpfc_nodelist
*ndlp
;
3824 struct Scsi_Host
*shost
;
3825 struct lpfc_hba
*phba
;
3832 ndlp
= lpfc_findnode_did(vport
, Fabric_DID
);
3834 /* Cannot find existing Fabric ndlp, so allocate a new one */
3835 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
3838 lpfc_nlp_init(vport
, ndlp
, Fabric_DID
);
3839 /* Set the node type */
3840 ndlp
->nlp_type
|= NLP_FABRIC
;
3841 /* Put ndlp onto node list */
3842 lpfc_enqueue_node(vport
, ndlp
);
3843 } else if (!NLP_CHK_NODE_ACT(ndlp
)) {
3844 /* re-setup ndlp without removing from node list */
3845 ndlp
= lpfc_enable_node(vport
, ndlp
, NLP_STE_UNUSED_NODE
);
3849 if ((phba
->pport
->port_state
< LPFC_FLOGI
) &&
3850 (phba
->pport
->port_state
!= LPFC_VPORT_FAILED
))
3852 /* If virtual link is not yet instantiated ignore CVL */
3853 if ((vport
!= phba
->pport
) && (vport
->port_state
< LPFC_FDISC
)
3854 && (vport
->port_state
!= LPFC_VPORT_FAILED
))
3856 shost
= lpfc_shost_from_vport(vport
);
3859 lpfc_linkdown_port(vport
);
3860 lpfc_cleanup_pending_mbox(vport
);
3861 spin_lock_irq(shost
->host_lock
);
3862 vport
->fc_flag
|= FC_VPORT_CVL_RCVD
;
3863 spin_unlock_irq(shost
->host_lock
);
3869 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
3870 * @vport: pointer to lpfc hba data structure.
3872 * This routine is to perform Clear Virtual Link (CVL) on all vports in
3873 * response to a FCF dead event.
3876 lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba
*phba
)
3878 struct lpfc_vport
**vports
;
3881 vports
= lpfc_create_vport_work_array(phba
);
3883 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
3884 lpfc_sli4_perform_vport_cvl(vports
[i
]);
3885 lpfc_destroy_vport_work_array(phba
, vports
);
3889 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
3890 * @phba: pointer to lpfc hba data structure.
3891 * @acqe_link: pointer to the async fcoe completion queue entry.
3893 * This routine is to handle the SLI4 asynchronous fcoe event.
3896 lpfc_sli4_async_fip_evt(struct lpfc_hba
*phba
,
3897 struct lpfc_acqe_fip
*acqe_fip
)
3899 uint8_t event_type
= bf_get(lpfc_trailer_type
, acqe_fip
);
3901 struct lpfc_vport
*vport
;
3902 struct lpfc_nodelist
*ndlp
;
3903 struct Scsi_Host
*shost
;
3904 int active_vlink_present
;
3905 struct lpfc_vport
**vports
;
3908 phba
->fc_eventTag
= acqe_fip
->event_tag
;
3909 phba
->fcoe_eventtag
= acqe_fip
->event_tag
;
3910 switch (event_type
) {
3911 case LPFC_FIP_EVENT_TYPE_NEW_FCF
:
3912 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD
:
3913 if (event_type
== LPFC_FIP_EVENT_TYPE_NEW_FCF
)
3914 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
3916 "2546 New FCF event, evt_tag:x%x, "
3918 acqe_fip
->event_tag
,
3921 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
|
3923 "2788 FCF param modified event, "
3924 "evt_tag:x%x, index:x%x\n",
3925 acqe_fip
->event_tag
,
3927 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
3929 * During period of FCF discovery, read the FCF
3930 * table record indexed by the event to update
3931 * FCF roundrobin failover eligible FCF bmask.
3933 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
3935 "2779 Read FCF (x%x) for updating "
3936 "roundrobin FCF failover bmask\n",
3938 rc
= lpfc_sli4_read_fcf_rec(phba
, acqe_fip
->index
);
3941 /* If the FCF discovery is in progress, do nothing. */
3942 spin_lock_irq(&phba
->hbalock
);
3943 if (phba
->hba_flag
& FCF_TS_INPROG
) {
3944 spin_unlock_irq(&phba
->hbalock
);
3947 /* If fast FCF failover rescan event is pending, do nothing */
3948 if (phba
->fcf
.fcf_flag
& FCF_REDISC_EVT
) {
3949 spin_unlock_irq(&phba
->hbalock
);
3953 /* If the FCF has been in discovered state, do nothing. */
3954 if (phba
->fcf
.fcf_flag
& FCF_SCAN_DONE
) {
3955 spin_unlock_irq(&phba
->hbalock
);
3958 spin_unlock_irq(&phba
->hbalock
);
3960 /* Otherwise, scan the entire FCF table and re-discover SAN */
3961 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
3962 "2770 Start FCF table scan per async FCF "
3963 "event, evt_tag:x%x, index:x%x\n",
3964 acqe_fip
->event_tag
, acqe_fip
->index
);
3965 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
3966 LPFC_FCOE_FCF_GET_FIRST
);
3968 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
3969 "2547 Issue FCF scan read FCF mailbox "
3970 "command failed (x%x)\n", rc
);
3973 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL
:
3974 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3975 "2548 FCF Table full count 0x%x tag 0x%x\n",
3976 bf_get(lpfc_acqe_fip_fcf_count
, acqe_fip
),
3977 acqe_fip
->event_tag
);
3980 case LPFC_FIP_EVENT_TYPE_FCF_DEAD
:
3981 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
3982 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
3983 "2549 FCF (x%x) disconnected from network, "
3984 "tag:x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
3986 * If we are in the middle of FCF failover process, clear
3987 * the corresponding FCF bit in the roundrobin bitmap.
3989 spin_lock_irq(&phba
->hbalock
);
3990 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
3991 spin_unlock_irq(&phba
->hbalock
);
3992 /* Update FLOGI FCF failover eligible FCF bmask */
3993 lpfc_sli4_fcf_rr_index_clear(phba
, acqe_fip
->index
);
3996 spin_unlock_irq(&phba
->hbalock
);
3998 /* If the event is not for currently used fcf do nothing */
3999 if (phba
->fcf
.current_rec
.fcf_indx
!= acqe_fip
->index
)
4003 * Otherwise, request the port to rediscover the entire FCF
4004 * table for a fast recovery from case that the current FCF
4005 * is no longer valid as we are not in the middle of FCF
4006 * failover process already.
4008 spin_lock_irq(&phba
->hbalock
);
4009 /* Mark the fast failover process in progress */
4010 phba
->fcf
.fcf_flag
|= FCF_DEAD_DISC
;
4011 spin_unlock_irq(&phba
->hbalock
);
4013 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4014 "2771 Start FCF fast failover process due to "
4015 "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
4016 "\n", acqe_fip
->event_tag
, acqe_fip
->index
);
4017 rc
= lpfc_sli4_redisc_fcf_table(phba
);
4019 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4021 "2772 Issue FCF rediscover mabilbox "
4022 "command failed, fail through to FCF "
4024 spin_lock_irq(&phba
->hbalock
);
4025 phba
->fcf
.fcf_flag
&= ~FCF_DEAD_DISC
;
4026 spin_unlock_irq(&phba
->hbalock
);
4028 * Last resort will fail over by treating this
4029 * as a link down to FCF registration.
4031 lpfc_sli4_fcf_dead_failthrough(phba
);
4033 /* Reset FCF roundrobin bmask for new discovery */
4034 lpfc_sli4_clear_fcf_rr_bmask(phba
);
4036 * Handling fast FCF failover to a DEAD FCF event is
4037 * considered equalivant to receiving CVL to all vports.
4039 lpfc_sli4_perform_all_vport_cvl(phba
);
4042 case LPFC_FIP_EVENT_TYPE_CVL
:
4043 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
4044 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4045 "2718 Clear Virtual Link Received for VPI 0x%x"
4046 " tag 0x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
4048 vport
= lpfc_find_vport_by_vpid(phba
,
4050 ndlp
= lpfc_sli4_perform_vport_cvl(vport
);
4053 active_vlink_present
= 0;
4055 vports
= lpfc_create_vport_work_array(phba
);
4057 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
;
4059 if ((!(vports
[i
]->fc_flag
&
4060 FC_VPORT_CVL_RCVD
)) &&
4061 (vports
[i
]->port_state
> LPFC_FDISC
)) {
4062 active_vlink_present
= 1;
4066 lpfc_destroy_vport_work_array(phba
, vports
);
4069 if (active_vlink_present
) {
4071 * If there are other active VLinks present,
4072 * re-instantiate the Vlink using FDISC.
4074 mod_timer(&ndlp
->nlp_delayfunc
, jiffies
+ HZ
);
4075 shost
= lpfc_shost_from_vport(vport
);
4076 spin_lock_irq(shost
->host_lock
);
4077 ndlp
->nlp_flag
|= NLP_DELAY_TMO
;
4078 spin_unlock_irq(shost
->host_lock
);
4079 ndlp
->nlp_last_elscmd
= ELS_CMD_FDISC
;
4080 vport
->port_state
= LPFC_FDISC
;
4083 * Otherwise, we request port to rediscover
4084 * the entire FCF table for a fast recovery
4085 * from possible case that the current FCF
4086 * is no longer valid if we are not already
4087 * in the FCF failover process.
4089 spin_lock_irq(&phba
->hbalock
);
4090 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4091 spin_unlock_irq(&phba
->hbalock
);
4094 /* Mark the fast failover process in progress */
4095 phba
->fcf
.fcf_flag
|= FCF_ACVL_DISC
;
4096 spin_unlock_irq(&phba
->hbalock
);
4097 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
4099 "2773 Start FCF failover per CVL, "
4100 "evt_tag:x%x\n", acqe_fip
->event_tag
);
4101 rc
= lpfc_sli4_redisc_fcf_table(phba
);
4103 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4105 "2774 Issue FCF rediscover "
4106 "mabilbox command failed, "
4107 "through to CVL event\n");
4108 spin_lock_irq(&phba
->hbalock
);
4109 phba
->fcf
.fcf_flag
&= ~FCF_ACVL_DISC
;
4110 spin_unlock_irq(&phba
->hbalock
);
4112 * Last resort will be re-try on the
4113 * the current registered FCF entry.
4115 lpfc_retry_pport_discovery(phba
);
4118 * Reset FCF roundrobin bmask for new
4121 lpfc_sli4_clear_fcf_rr_bmask(phba
);
4125 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4126 "0288 Unknown FCoE event type 0x%x event tag "
4127 "0x%x\n", event_type
, acqe_fip
->event_tag
);
4133 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
4134 * @phba: pointer to lpfc hba data structure.
4135 * @acqe_link: pointer to the async dcbx completion queue entry.
4137 * This routine is to handle the SLI4 asynchronous dcbx event.
4140 lpfc_sli4_async_dcbx_evt(struct lpfc_hba
*phba
,
4141 struct lpfc_acqe_dcbx
*acqe_dcbx
)
4143 phba
->fc_eventTag
= acqe_dcbx
->event_tag
;
4144 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4145 "0290 The SLI4 DCBX asynchronous event is not "
4150 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
4151 * @phba: pointer to lpfc hba data structure.
4152 * @acqe_link: pointer to the async grp5 completion queue entry.
4154 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
4155 * is an asynchronous notified of a logical link speed change. The Port
4156 * reports the logical link speed in units of 10Mbps.
4159 lpfc_sli4_async_grp5_evt(struct lpfc_hba
*phba
,
4160 struct lpfc_acqe_grp5
*acqe_grp5
)
4162 uint16_t prev_ll_spd
;
4164 phba
->fc_eventTag
= acqe_grp5
->event_tag
;
4165 phba
->fcoe_eventtag
= acqe_grp5
->event_tag
;
4166 prev_ll_spd
= phba
->sli4_hba
.link_state
.logical_speed
;
4167 phba
->sli4_hba
.link_state
.logical_speed
=
4168 (bf_get(lpfc_acqe_grp5_llink_spd
, acqe_grp5
));
4169 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4170 "2789 GRP5 Async Event: Updating logical link speed "
4171 "from %dMbps to %dMbps\n", (prev_ll_spd
* 10),
4172 (phba
->sli4_hba
.link_state
.logical_speed
*10));
4176 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
4177 * @phba: pointer to lpfc hba data structure.
4179 * This routine is invoked by the worker thread to process all the pending
4180 * SLI4 asynchronous events.
4182 void lpfc_sli4_async_event_proc(struct lpfc_hba
*phba
)
4184 struct lpfc_cq_event
*cq_event
;
4186 /* First, declare the async event has been handled */
4187 spin_lock_irq(&phba
->hbalock
);
4188 phba
->hba_flag
&= ~ASYNC_EVENT
;
4189 spin_unlock_irq(&phba
->hbalock
);
4190 /* Now, handle all the async events */
4191 while (!list_empty(&phba
->sli4_hba
.sp_asynce_work_queue
)) {
4192 /* Get the first event from the head of the event queue */
4193 spin_lock_irq(&phba
->hbalock
);
4194 list_remove_head(&phba
->sli4_hba
.sp_asynce_work_queue
,
4195 cq_event
, struct lpfc_cq_event
, list
);
4196 spin_unlock_irq(&phba
->hbalock
);
4197 /* Process the asynchronous event */
4198 switch (bf_get(lpfc_trailer_code
, &cq_event
->cqe
.mcqe_cmpl
)) {
4199 case LPFC_TRAILER_CODE_LINK
:
4200 lpfc_sli4_async_link_evt(phba
,
4201 &cq_event
->cqe
.acqe_link
);
4203 case LPFC_TRAILER_CODE_FCOE
:
4204 lpfc_sli4_async_fip_evt(phba
, &cq_event
->cqe
.acqe_fip
);
4206 case LPFC_TRAILER_CODE_DCBX
:
4207 lpfc_sli4_async_dcbx_evt(phba
,
4208 &cq_event
->cqe
.acqe_dcbx
);
4210 case LPFC_TRAILER_CODE_GRP5
:
4211 lpfc_sli4_async_grp5_evt(phba
,
4212 &cq_event
->cqe
.acqe_grp5
);
4214 case LPFC_TRAILER_CODE_FC
:
4215 lpfc_sli4_async_fc_evt(phba
, &cq_event
->cqe
.acqe_fc
);
4217 case LPFC_TRAILER_CODE_SLI
:
4218 lpfc_sli4_async_sli_evt(phba
, &cq_event
->cqe
.acqe_sli
);
4221 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4222 "1804 Invalid asynchrous event code: "
4223 "x%x\n", bf_get(lpfc_trailer_code
,
4224 &cq_event
->cqe
.mcqe_cmpl
));
4227 /* Free the completion event processed to the free pool */
4228 lpfc_sli4_cq_event_release(phba
, cq_event
);
4233 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
4234 * @phba: pointer to lpfc hba data structure.
4236 * This routine is invoked by the worker thread to process FCF table
4237 * rediscovery pending completion event.
4239 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba
*phba
)
4243 spin_lock_irq(&phba
->hbalock
);
4244 /* Clear FCF rediscovery timeout event */
4245 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_EVT
;
4246 /* Clear driver fast failover FCF record flag */
4247 phba
->fcf
.failover_rec
.flag
= 0;
4248 /* Set state for FCF fast failover */
4249 phba
->fcf
.fcf_flag
|= FCF_REDISC_FOV
;
4250 spin_unlock_irq(&phba
->hbalock
);
4252 /* Scan FCF table from the first entry to re-discover SAN */
4253 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4254 "2777 Start post-quiescent FCF table scan\n");
4255 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
, LPFC_FCOE_FCF_GET_FIRST
);
4257 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4258 "2747 Issue FCF scan read FCF mailbox "
4259 "command failed 0x%x\n", rc
);
4263 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
4264 * @phba: pointer to lpfc hba data structure.
4265 * @dev_grp: The HBA PCI-Device group number.
4267 * This routine is invoked to set up the per HBA PCI-Device group function
4268 * API jump table entries.
4270 * Return: 0 if success, otherwise -ENODEV
4273 lpfc_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
4277 /* Set up lpfc PCI-device group */
4278 phba
->pci_dev_grp
= dev_grp
;
4280 /* The LPFC_PCI_DEV_OC uses SLI4 */
4281 if (dev_grp
== LPFC_PCI_DEV_OC
)
4282 phba
->sli_rev
= LPFC_SLI_REV4
;
4284 /* Set up device INIT API function jump table */
4285 rc
= lpfc_init_api_table_setup(phba
, dev_grp
);
4288 /* Set up SCSI API function jump table */
4289 rc
= lpfc_scsi_api_table_setup(phba
, dev_grp
);
4292 /* Set up SLI API function jump table */
4293 rc
= lpfc_sli_api_table_setup(phba
, dev_grp
);
4296 /* Set up MBOX API function jump table */
4297 rc
= lpfc_mbox_api_table_setup(phba
, dev_grp
);
4305 * lpfc_log_intr_mode - Log the active interrupt mode
4306 * @phba: pointer to lpfc hba data structure.
4307 * @intr_mode: active interrupt mode adopted.
4309 * This routine it invoked to log the currently used active interrupt mode
4312 static void lpfc_log_intr_mode(struct lpfc_hba
*phba
, uint32_t intr_mode
)
4314 switch (intr_mode
) {
4316 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4317 "0470 Enable INTx interrupt mode.\n");
4320 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4321 "0481 Enabled MSI interrupt mode.\n");
4324 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4325 "0480 Enabled MSI-X interrupt mode.\n");
4328 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4329 "0482 Illegal interrupt mode.\n");
4336 * lpfc_enable_pci_dev - Enable a generic PCI device.
4337 * @phba: pointer to lpfc hba data structure.
4339 * This routine is invoked to enable the PCI device that is common to all
4344 * other values - error
4347 lpfc_enable_pci_dev(struct lpfc_hba
*phba
)
4349 struct pci_dev
*pdev
;
4352 /* Obtain PCI device reference */
4356 pdev
= phba
->pcidev
;
4357 /* Select PCI BARs */
4358 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
4359 /* Enable PCI device */
4360 if (pci_enable_device_mem(pdev
))
4362 /* Request PCI resource for the device */
4363 if (pci_request_selected_regions(pdev
, bars
, LPFC_DRIVER_NAME
))
4364 goto out_disable_device
;
4365 /* Set up device as PCI master and save state for EEH */
4366 pci_set_master(pdev
);
4367 pci_try_set_mwi(pdev
);
4368 pci_save_state(pdev
);
4370 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
4371 if (pci_find_capability(pdev
, PCI_CAP_ID_EXP
))
4372 pdev
->needs_freset
= 1;
4377 pci_disable_device(pdev
);
4379 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4380 "1401 Failed to enable pci device, bars:x%x\n", bars
);
4385 * lpfc_disable_pci_dev - Disable a generic PCI device.
4386 * @phba: pointer to lpfc hba data structure.
4388 * This routine is invoked to disable the PCI device that is common to all
4392 lpfc_disable_pci_dev(struct lpfc_hba
*phba
)
4394 struct pci_dev
*pdev
;
4397 /* Obtain PCI device reference */
4401 pdev
= phba
->pcidev
;
4402 /* Select PCI BARs */
4403 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
4404 /* Release PCI resource and disable PCI device */
4405 pci_release_selected_regions(pdev
, bars
);
4406 pci_disable_device(pdev
);
4407 /* Null out PCI private reference to driver */
4408 pci_set_drvdata(pdev
, NULL
);
4414 * lpfc_reset_hba - Reset a hba
4415 * @phba: pointer to lpfc hba data structure.
4417 * This routine is invoked to reset a hba device. It brings the HBA
4418 * offline, performs a board restart, and then brings the board back
4419 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
4420 * on outstanding mailbox commands.
4423 lpfc_reset_hba(struct lpfc_hba
*phba
)
4425 /* If resets are disabled then set error state and return. */
4426 if (!phba
->cfg_enable_hba_reset
) {
4427 phba
->link_state
= LPFC_HBA_ERROR
;
4430 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
4432 lpfc_sli_brdrestart(phba
);
4434 lpfc_unblock_mgmt_io(phba
);
4438 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
4439 * @phba: pointer to lpfc hba data structure.
4441 * This function enables the PCI SR-IOV virtual functions to a physical
4442 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4443 * enable the number of virtual functions to the physical function. As
4444 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4445 * API call does not considered as an error condition for most of the device.
4448 lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba
*phba
)
4450 struct pci_dev
*pdev
= phba
->pcidev
;
4454 pos
= pci_find_ext_capability(pdev
, PCI_EXT_CAP_ID_SRIOV
);
4458 pci_read_config_word(pdev
, pos
+ PCI_SRIOV_TOTAL_VF
, &nr_virtfn
);
4463 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
4464 * @phba: pointer to lpfc hba data structure.
4465 * @nr_vfn: number of virtual functions to be enabled.
4467 * This function enables the PCI SR-IOV virtual functions to a physical
4468 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4469 * enable the number of virtual functions to the physical function. As
4470 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4471 * API call does not considered as an error condition for most of the device.
4474 lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba
*phba
, int nr_vfn
)
4476 struct pci_dev
*pdev
= phba
->pcidev
;
4477 uint16_t max_nr_vfn
;
4480 max_nr_vfn
= lpfc_sli_sriov_nr_virtfn_get(phba
);
4481 if (nr_vfn
> max_nr_vfn
) {
4482 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4483 "3057 Requested vfs (%d) greater than "
4484 "supported vfs (%d)", nr_vfn
, max_nr_vfn
);
4488 rc
= pci_enable_sriov(pdev
, nr_vfn
);
4490 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4491 "2806 Failed to enable sriov on this device "
4492 "with vfn number nr_vf:%d, rc:%d\n",
4495 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4496 "2807 Successful enable sriov on this device "
4497 "with vfn number nr_vf:%d\n", nr_vfn
);
4502 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
4503 * @phba: pointer to lpfc hba data structure.
4505 * This routine is invoked to set up the driver internal resources specific to
4506 * support the SLI-3 HBA device it attached to.
4510 * other values - error
4513 lpfc_sli_driver_resource_setup(struct lpfc_hba
*phba
)
4515 struct lpfc_sli
*psli
;
4519 * Initialize timers used by driver
4522 /* Heartbeat timer */
4523 init_timer(&phba
->hb_tmofunc
);
4524 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4525 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4528 /* MBOX heartbeat timer */
4529 init_timer(&psli
->mbox_tmo
);
4530 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4531 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4532 /* FCP polling mode timer */
4533 init_timer(&phba
->fcp_poll_timer
);
4534 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
4535 phba
->fcp_poll_timer
.data
= (unsigned long) phba
;
4536 /* Fabric block timer */
4537 init_timer(&phba
->fabric_block_timer
);
4538 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4539 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4540 /* EA polling mode timer */
4541 init_timer(&phba
->eratt_poll
);
4542 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4543 phba
->eratt_poll
.data
= (unsigned long) phba
;
4545 /* Host attention work mask setup */
4546 phba
->work_ha_mask
= (HA_ERATT
| HA_MBATT
| HA_LATT
);
4547 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
4549 /* Get all the module params for configuring this host */
4550 lpfc_get_cfgparam(phba
);
4551 if (phba
->pcidev
->device
== PCI_DEVICE_ID_HORNET
) {
4552 phba
->menlo_flag
|= HBA_MENLO_SUPPORT
;
4553 /* check for menlo minimum sg count */
4554 if (phba
->cfg_sg_seg_cnt
< LPFC_DEFAULT_MENLO_SG_SEG_CNT
)
4555 phba
->cfg_sg_seg_cnt
= LPFC_DEFAULT_MENLO_SG_SEG_CNT
;
4558 if (!phba
->sli
.ring
)
4559 phba
->sli
.ring
= (struct lpfc_sli_ring
*)
4560 kzalloc(LPFC_SLI3_MAX_RING
*
4561 sizeof(struct lpfc_sli_ring
), GFP_KERNEL
);
4562 if (!phba
->sli
.ring
)
4566 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4567 * used to create the sg_dma_buf_pool must be dynamically calculated.
4568 * 2 segments are added since the IOCB needs a command and response bde.
4570 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
4571 sizeof(struct fcp_rsp
) +
4572 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct ulp_bde64
));
4574 if (phba
->cfg_enable_bg
) {
4575 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SEG_CNT
;
4576 phba
->cfg_sg_dma_buf_size
+=
4577 phba
->cfg_prot_sg_seg_cnt
* sizeof(struct ulp_bde64
);
4580 /* Also reinitialize the host templates with new values. */
4581 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4582 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4584 phba
->max_vpi
= LPFC_MAX_VPI
;
4585 /* This will be set to correct value after config_port mbox */
4586 phba
->max_vports
= 0;
4589 * Initialize the SLI Layer to run with lpfc HBAs.
4591 lpfc_sli_setup(phba
);
4592 lpfc_sli_queue_setup(phba
);
4594 /* Allocate device driver memory */
4595 if (lpfc_mem_alloc(phba
, BPL_ALIGN_SZ
))
4599 * Enable sr-iov virtual functions if supported and configured
4600 * through the module parameter.
4602 if (phba
->cfg_sriov_nr_virtfn
> 0) {
4603 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
4604 phba
->cfg_sriov_nr_virtfn
);
4606 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4607 "2808 Requested number of SR-IOV "
4608 "virtual functions (%d) is not "
4610 phba
->cfg_sriov_nr_virtfn
);
4611 phba
->cfg_sriov_nr_virtfn
= 0;
4619 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
4620 * @phba: pointer to lpfc hba data structure.
4622 * This routine is invoked to unset the driver internal resources set up
4623 * specific for supporting the SLI-3 HBA device it attached to.
4626 lpfc_sli_driver_resource_unset(struct lpfc_hba
*phba
)
4628 /* Free device driver memory allocated */
4629 lpfc_mem_free_all(phba
);
4635 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
4636 * @phba: pointer to lpfc hba data structure.
4638 * This routine is invoked to set up the driver internal resources specific to
4639 * support the SLI-4 HBA device it attached to.
4643 * other values - error
4646 lpfc_sli4_driver_resource_setup(struct lpfc_hba
*phba
)
4648 struct lpfc_sli
*psli
;
4649 LPFC_MBOXQ_t
*mboxq
;
4650 int rc
, i
, hbq_count
, buf_size
, dma_buf_size
, max_buf_size
;
4651 uint8_t pn_page
[LPFC_MAX_SUPPORTED_PAGES
] = {0};
4652 struct lpfc_mqe
*mqe
;
4653 int longs
, sli_family
;
4654 int sges_per_segment
;
4656 /* Before proceed, wait for POST done and device ready */
4657 rc
= lpfc_sli4_post_status_check(phba
);
4662 * Initialize timers used by driver
4665 /* Heartbeat timer */
4666 init_timer(&phba
->hb_tmofunc
);
4667 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4668 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4669 init_timer(&phba
->rrq_tmr
);
4670 phba
->rrq_tmr
.function
= lpfc_rrq_timeout
;
4671 phba
->rrq_tmr
.data
= (unsigned long)phba
;
4674 /* MBOX heartbeat timer */
4675 init_timer(&psli
->mbox_tmo
);
4676 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4677 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4678 /* Fabric block timer */
4679 init_timer(&phba
->fabric_block_timer
);
4680 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4681 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4682 /* EA polling mode timer */
4683 init_timer(&phba
->eratt_poll
);
4684 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4685 phba
->eratt_poll
.data
= (unsigned long) phba
;
4686 /* FCF rediscover timer */
4687 init_timer(&phba
->fcf
.redisc_wait
);
4688 phba
->fcf
.redisc_wait
.function
= lpfc_sli4_fcf_redisc_wait_tmo
;
4689 phba
->fcf
.redisc_wait
.data
= (unsigned long)phba
;
4692 * Control structure for handling external multi-buffer mailbox
4693 * command pass-through.
4695 memset((uint8_t *)&phba
->mbox_ext_buf_ctx
, 0,
4696 sizeof(struct lpfc_mbox_ext_buf_ctx
));
4697 INIT_LIST_HEAD(&phba
->mbox_ext_buf_ctx
.ext_dmabuf_list
);
4700 * We need to do a READ_CONFIG mailbox command here before
4701 * calling lpfc_get_cfgparam. For VFs this will report the
4702 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
4703 * All of the resources allocated
4704 * for this Port are tied to these values.
4706 /* Get all the module params for configuring this host */
4707 lpfc_get_cfgparam(phba
);
4708 phba
->max_vpi
= LPFC_MAX_VPI
;
4710 /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
4711 phba
->cfg_fcp_io_channel
= phba
->cfg_fcp_eq_count
;
4713 /* This will be set to correct value after the read_config mbox */
4714 phba
->max_vports
= 0;
4716 /* Program the default value of vlan_id and fc_map */
4717 phba
->valid_vlan
= 0;
4718 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
4719 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
4720 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
4722 /* With BlockGuard we can have multiple SGEs per Data Segemnt */
4723 sges_per_segment
= 1;
4724 if (phba
->cfg_enable_bg
)
4725 sges_per_segment
= 2;
4728 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
4729 * we will associate a new ring, for each FCP fastpath EQ/CQ/WQ tuple.
4731 if (!phba
->sli
.ring
)
4732 phba
->sli
.ring
= kzalloc(
4733 (LPFC_SLI3_MAX_RING
+ phba
->cfg_fcp_io_channel
) *
4734 sizeof(struct lpfc_sli_ring
), GFP_KERNEL
);
4735 if (!phba
->sli
.ring
)
4738 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4739 * used to create the sg_dma_buf_pool must be dynamically calculated.
4740 * 2 segments are added since the IOCB needs a command and response bde.
4741 * To insure that the scsi sgl does not cross a 4k page boundary only
4742 * sgl sizes of must be a power of 2.
4744 buf_size
= (sizeof(struct fcp_cmnd
) + sizeof(struct fcp_rsp
) +
4745 (((phba
->cfg_sg_seg_cnt
* sges_per_segment
) + 2) *
4746 sizeof(struct sli4_sge
)));
4748 sli_family
= bf_get(lpfc_sli_intf_sli_family
, &phba
->sli4_hba
.sli_intf
);
4749 max_buf_size
= LPFC_SLI4_MAX_BUF_SIZE
;
4750 switch (sli_family
) {
4751 case LPFC_SLI_INTF_FAMILY_BE2
:
4752 case LPFC_SLI_INTF_FAMILY_BE3
:
4753 /* There is a single hint for BE - 2 pages per BPL. */
4754 if (bf_get(lpfc_sli_intf_sli_hint1
, &phba
->sli4_hba
.sli_intf
) ==
4755 LPFC_SLI_INTF_SLI_HINT1_1
)
4756 max_buf_size
= LPFC_SLI4_FL1_MAX_BUF_SIZE
;
4758 case LPFC_SLI_INTF_FAMILY_LNCR_A0
:
4759 case LPFC_SLI_INTF_FAMILY_LNCR_B0
:
4764 for (dma_buf_size
= LPFC_SLI4_MIN_BUF_SIZE
;
4765 dma_buf_size
< max_buf_size
&& buf_size
> dma_buf_size
;
4766 dma_buf_size
= dma_buf_size
<< 1)
4768 if (dma_buf_size
== max_buf_size
)
4769 phba
->cfg_sg_seg_cnt
= (dma_buf_size
-
4770 sizeof(struct fcp_cmnd
) - sizeof(struct fcp_rsp
) -
4771 (2 * sizeof(struct sli4_sge
))) /
4772 sizeof(struct sli4_sge
);
4773 phba
->cfg_sg_dma_buf_size
= dma_buf_size
;
4775 /* Initialize buffer queue management fields */
4776 hbq_count
= lpfc_sli_hbq_count();
4777 for (i
= 0; i
< hbq_count
; ++i
)
4778 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
4779 INIT_LIST_HEAD(&phba
->rb_pend_list
);
4780 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_sli4_rb_alloc
;
4781 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_sli4_rb_free
;
4784 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
4786 /* Initialize the Abort scsi buffer list used by driver */
4787 spin_lock_init(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
4788 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
4789 /* This abort list used by worker thread */
4790 spin_lock_init(&phba
->sli4_hba
.abts_sgl_list_lock
);
4793 * Initialize driver internal slow-path work queues
4796 /* Driver internel slow-path CQ Event pool */
4797 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_cqe_event_pool
);
4798 /* Response IOCB work queue list */
4799 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_queue_event
);
4800 /* Asynchronous event CQ Event work queue list */
4801 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_asynce_work_queue
);
4802 /* Fast-path XRI aborted CQ Event work queue list */
4803 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
4804 /* Slow-path XRI aborted CQ Event work queue list */
4805 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
4806 /* Receive queue CQ Event work queue list */
4807 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_unsol_work_queue
);
4809 /* Initialize extent block lists. */
4810 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_blk_list
);
4811 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_xri_blk_list
);
4812 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_vfi_blk_list
);
4813 INIT_LIST_HEAD(&phba
->lpfc_vpi_blk_list
);
4815 /* Initialize the driver internal SLI layer lists. */
4816 lpfc_sli_setup(phba
);
4817 lpfc_sli_queue_setup(phba
);
4819 /* Allocate device driver memory */
4820 rc
= lpfc_mem_alloc(phba
, SGL_ALIGN_SZ
);
4824 /* IF Type 2 ports get initialized now. */
4825 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
4826 LPFC_SLI_INTF_IF_TYPE_2
) {
4827 rc
= lpfc_pci_function_reset(phba
);
4832 /* Create the bootstrap mailbox command */
4833 rc
= lpfc_create_bootstrap_mbox(phba
);
4837 /* Set up the host's endian order with the device. */
4838 rc
= lpfc_setup_endian_order(phba
);
4840 goto out_free_bsmbx
;
4842 /* Set up the hba's configuration parameters. */
4843 rc
= lpfc_sli4_read_config(phba
);
4845 goto out_free_bsmbx
;
4847 /* IF Type 0 ports get initialized now. */
4848 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
4849 LPFC_SLI_INTF_IF_TYPE_0
) {
4850 rc
= lpfc_pci_function_reset(phba
);
4852 goto out_free_bsmbx
;
4855 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
4859 goto out_free_bsmbx
;
4862 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
4863 lpfc_supported_pages(mboxq
);
4864 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
4866 mqe
= &mboxq
->u
.mqe
;
4867 memcpy(&pn_page
[0], ((uint8_t *)&mqe
->un
.supp_pages
.word3
),
4868 LPFC_MAX_SUPPORTED_PAGES
);
4869 for (i
= 0; i
< LPFC_MAX_SUPPORTED_PAGES
; i
++) {
4870 switch (pn_page
[i
]) {
4871 case LPFC_SLI4_PARAMETERS
:
4872 phba
->sli4_hba
.pc_sli4_params
.supported
= 1;
4878 /* Read the port's SLI4 Parameters capabilities if supported. */
4879 if (phba
->sli4_hba
.pc_sli4_params
.supported
)
4880 rc
= lpfc_pc_sli4_params_get(phba
, mboxq
);
4882 mempool_free(mboxq
, phba
->mbox_mem_pool
);
4884 goto out_free_bsmbx
;
4888 * Get sli4 parameters that override parameters from Port capabilities.
4889 * If this call fails, it isn't critical unless the SLI4 parameters come
4892 rc
= lpfc_get_sli4_parameters(phba
, mboxq
);
4894 if (phba
->sli4_hba
.extents_in_use
&&
4895 phba
->sli4_hba
.rpi_hdrs_in_use
) {
4896 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4897 "2999 Unsupported SLI4 Parameters "
4898 "Extents and RPI headers enabled.\n");
4899 goto out_free_bsmbx
;
4902 mempool_free(mboxq
, phba
->mbox_mem_pool
);
4903 /* Verify all the SLI4 queues */
4904 rc
= lpfc_sli4_queue_verify(phba
);
4906 goto out_free_bsmbx
;
4908 /* Create driver internal CQE event pool */
4909 rc
= lpfc_sli4_cq_event_pool_create(phba
);
4911 goto out_free_bsmbx
;
4913 /* Initialize sgl lists per host */
4914 lpfc_init_sgl_list(phba
);
4916 /* Allocate and initialize active sgl array */
4917 rc
= lpfc_init_active_sgl_array(phba
);
4919 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4920 "1430 Failed to initialize sgl list.\n");
4921 goto out_destroy_cq_event_pool
;
4923 rc
= lpfc_sli4_init_rpi_hdrs(phba
);
4925 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4926 "1432 Failed to initialize rpi headers.\n");
4927 goto out_free_active_sgl
;
4930 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
4931 longs
= (LPFC_SLI4_FCF_TBL_INDX_MAX
+ BITS_PER_LONG
- 1)/BITS_PER_LONG
;
4932 phba
->fcf
.fcf_rr_bmask
= kzalloc(longs
* sizeof(unsigned long),
4934 if (!phba
->fcf
.fcf_rr_bmask
) {
4935 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4936 "2759 Failed allocate memory for FCF round "
4937 "robin failover bmask\n");
4939 goto out_remove_rpi_hdrs
;
4942 phba
->sli4_hba
.fcp_eq_hdl
=
4943 kzalloc((sizeof(struct lpfc_fcp_eq_hdl
) *
4944 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
4945 if (!phba
->sli4_hba
.fcp_eq_hdl
) {
4946 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4947 "2572 Failed allocate memory for "
4948 "fast-path per-EQ handle array\n");
4950 goto out_free_fcf_rr_bmask
;
4953 phba
->sli4_hba
.msix_entries
= kzalloc((sizeof(struct msix_entry
) *
4954 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
4955 if (!phba
->sli4_hba
.msix_entries
) {
4956 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4957 "2573 Failed allocate memory for msi-x "
4958 "interrupt vector entries\n");
4960 goto out_free_fcp_eq_hdl
;
4964 * Enable sr-iov virtual functions if supported and configured
4965 * through the module parameter.
4967 if (phba
->cfg_sriov_nr_virtfn
> 0) {
4968 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
4969 phba
->cfg_sriov_nr_virtfn
);
4971 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4972 "3020 Requested number of SR-IOV "
4973 "virtual functions (%d) is not "
4975 phba
->cfg_sriov_nr_virtfn
);
4976 phba
->cfg_sriov_nr_virtfn
= 0;
4982 out_free_fcp_eq_hdl
:
4983 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
4984 out_free_fcf_rr_bmask
:
4985 kfree(phba
->fcf
.fcf_rr_bmask
);
4986 out_remove_rpi_hdrs
:
4987 lpfc_sli4_remove_rpi_hdrs(phba
);
4988 out_free_active_sgl
:
4989 lpfc_free_active_sgl(phba
);
4990 out_destroy_cq_event_pool
:
4991 lpfc_sli4_cq_event_pool_destroy(phba
);
4993 lpfc_destroy_bootstrap_mbox(phba
);
4995 lpfc_mem_free(phba
);
5000 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
5001 * @phba: pointer to lpfc hba data structure.
5003 * This routine is invoked to unset the driver internal resources set up
5004 * specific for supporting the SLI-4 HBA device it attached to.
5007 lpfc_sli4_driver_resource_unset(struct lpfc_hba
*phba
)
5009 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
5011 /* Free memory allocated for msi-x interrupt vector entries */
5012 kfree(phba
->sli4_hba
.msix_entries
);
5014 /* Free memory allocated for fast-path work queue handles */
5015 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
5017 /* Free the allocated rpi headers. */
5018 lpfc_sli4_remove_rpi_hdrs(phba
);
5019 lpfc_sli4_remove_rpis(phba
);
5021 /* Free eligible FCF index bmask */
5022 kfree(phba
->fcf
.fcf_rr_bmask
);
5024 /* Free the ELS sgl list */
5025 lpfc_free_active_sgl(phba
);
5026 lpfc_free_els_sgl_list(phba
);
5028 /* Free the completion queue EQ event pool */
5029 lpfc_sli4_cq_event_release_all(phba
);
5030 lpfc_sli4_cq_event_pool_destroy(phba
);
5032 /* Release resource identifiers. */
5033 lpfc_sli4_dealloc_resource_identifiers(phba
);
5035 /* Free the bsmbx region. */
5036 lpfc_destroy_bootstrap_mbox(phba
);
5038 /* Free the SLI Layer memory with SLI4 HBAs */
5039 lpfc_mem_free_all(phba
);
5041 /* Free the current connect table */
5042 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
5043 &phba
->fcf_conn_rec_list
, list
) {
5044 list_del_init(&conn_entry
->list
);
5052 * lpfc_init_api_table_setup - Set up init api function jump table
5053 * @phba: The hba struct for which this call is being executed.
5054 * @dev_grp: The HBA PCI-Device group number.
5056 * This routine sets up the device INIT interface API function jump table
5059 * Returns: 0 - success, -ENODEV - failure.
5062 lpfc_init_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
5064 phba
->lpfc_hba_init_link
= lpfc_hba_init_link
;
5065 phba
->lpfc_hba_down_link
= lpfc_hba_down_link
;
5066 phba
->lpfc_selective_reset
= lpfc_selective_reset
;
5068 case LPFC_PCI_DEV_LP
:
5069 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s3
;
5070 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s3
;
5071 phba
->lpfc_stop_port
= lpfc_stop_port_s3
;
5073 case LPFC_PCI_DEV_OC
:
5074 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s4
;
5075 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s4
;
5076 phba
->lpfc_stop_port
= lpfc_stop_port_s4
;
5079 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5080 "1431 Invalid HBA PCI-device group: 0x%x\n",
5089 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
5090 * @phba: pointer to lpfc hba data structure.
5092 * This routine is invoked to set up the driver internal resources before the
5093 * device specific resource setup to support the HBA device it attached to.
5097 * other values - error
5100 lpfc_setup_driver_resource_phase1(struct lpfc_hba
*phba
)
5103 * Driver resources common to all SLI revisions
5105 atomic_set(&phba
->fast_event_count
, 0);
5106 spin_lock_init(&phba
->hbalock
);
5108 /* Initialize ndlp management spinlock */
5109 spin_lock_init(&phba
->ndlp_lock
);
5111 INIT_LIST_HEAD(&phba
->port_list
);
5112 INIT_LIST_HEAD(&phba
->work_list
);
5113 init_waitqueue_head(&phba
->wait_4_mlo_m_q
);
5115 /* Initialize the wait queue head for the kernel thread */
5116 init_waitqueue_head(&phba
->work_waitq
);
5118 /* Initialize the scsi buffer list used by driver for scsi IO */
5119 spin_lock_init(&phba
->scsi_buf_list_lock
);
5120 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list
);
5122 /* Initialize the fabric iocb list */
5123 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
5125 /* Initialize list to save ELS buffers */
5126 INIT_LIST_HEAD(&phba
->elsbuf
);
5128 /* Initialize FCF connection rec list */
5129 INIT_LIST_HEAD(&phba
->fcf_conn_rec_list
);
5135 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
5136 * @phba: pointer to lpfc hba data structure.
5138 * This routine is invoked to set up the driver internal resources after the
5139 * device specific resource setup to support the HBA device it attached to.
5143 * other values - error
5146 lpfc_setup_driver_resource_phase2(struct lpfc_hba
*phba
)
5150 /* Startup the kernel thread for this host adapter. */
5151 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
5152 "lpfc_worker_%d", phba
->brd_no
);
5153 if (IS_ERR(phba
->worker_thread
)) {
5154 error
= PTR_ERR(phba
->worker_thread
);
5162 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
5163 * @phba: pointer to lpfc hba data structure.
5165 * This routine is invoked to unset the driver internal resources set up after
5166 * the device specific resource setup for supporting the HBA device it
5170 lpfc_unset_driver_resource_phase2(struct lpfc_hba
*phba
)
5172 /* Stop kernel worker thread */
5173 kthread_stop(phba
->worker_thread
);
5177 * lpfc_free_iocb_list - Free iocb list.
5178 * @phba: pointer to lpfc hba data structure.
5180 * This routine is invoked to free the driver's IOCB list and memory.
5183 lpfc_free_iocb_list(struct lpfc_hba
*phba
)
5185 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
5187 spin_lock_irq(&phba
->hbalock
);
5188 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
5189 &phba
->lpfc_iocb_list
, list
) {
5190 list_del(&iocbq_entry
->list
);
5192 phba
->total_iocbq_bufs
--;
5194 spin_unlock_irq(&phba
->hbalock
);
5200 * lpfc_init_iocb_list - Allocate and initialize iocb list.
5201 * @phba: pointer to lpfc hba data structure.
5203 * This routine is invoked to allocate and initizlize the driver's IOCB
5204 * list and set up the IOCB tag array accordingly.
5208 * other values - error
5211 lpfc_init_iocb_list(struct lpfc_hba
*phba
, int iocb_count
)
5213 struct lpfc_iocbq
*iocbq_entry
= NULL
;
5217 /* Initialize and populate the iocb list per host. */
5218 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
5219 for (i
= 0; i
< iocb_count
; i
++) {
5220 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
5221 if (iocbq_entry
== NULL
) {
5222 printk(KERN_ERR
"%s: only allocated %d iocbs of "
5223 "expected %d count. Unloading driver.\n",
5224 __func__
, i
, LPFC_IOCB_LIST_CNT
);
5225 goto out_free_iocbq
;
5228 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
5231 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
5232 "Unloading driver.\n", __func__
);
5233 goto out_free_iocbq
;
5235 iocbq_entry
->sli4_lxritag
= NO_XRI
;
5236 iocbq_entry
->sli4_xritag
= NO_XRI
;
5238 spin_lock_irq(&phba
->hbalock
);
5239 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
5240 phba
->total_iocbq_bufs
++;
5241 spin_unlock_irq(&phba
->hbalock
);
5247 lpfc_free_iocb_list(phba
);
5253 * lpfc_free_sgl_list - Free a given sgl list.
5254 * @phba: pointer to lpfc hba data structure.
5255 * @sglq_list: pointer to the head of sgl list.
5257 * This routine is invoked to free a give sgl list and memory.
5260 lpfc_free_sgl_list(struct lpfc_hba
*phba
, struct list_head
*sglq_list
)
5262 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
5264 list_for_each_entry_safe(sglq_entry
, sglq_next
, sglq_list
, list
) {
5265 list_del(&sglq_entry
->list
);
5266 lpfc_mbuf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
5272 * lpfc_free_els_sgl_list - Free els sgl list.
5273 * @phba: pointer to lpfc hba data structure.
5275 * This routine is invoked to free the driver's els sgl list and memory.
5278 lpfc_free_els_sgl_list(struct lpfc_hba
*phba
)
5280 LIST_HEAD(sglq_list
);
5282 /* Retrieve all els sgls from driver list */
5283 spin_lock_irq(&phba
->hbalock
);
5284 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &sglq_list
);
5285 spin_unlock_irq(&phba
->hbalock
);
5287 /* Now free the sgl list */
5288 lpfc_free_sgl_list(phba
, &sglq_list
);
5292 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
5293 * @phba: pointer to lpfc hba data structure.
5295 * This routine is invoked to allocate the driver's active sgl memory.
5296 * This array will hold the sglq_entry's for active IOs.
5299 lpfc_init_active_sgl_array(struct lpfc_hba
*phba
)
5302 size
= sizeof(struct lpfc_sglq
*);
5303 size
*= phba
->sli4_hba
.max_cfg_param
.max_xri
;
5305 phba
->sli4_hba
.lpfc_sglq_active_list
=
5306 kzalloc(size
, GFP_KERNEL
);
5307 if (!phba
->sli4_hba
.lpfc_sglq_active_list
)
5313 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
5314 * @phba: pointer to lpfc hba data structure.
5316 * This routine is invoked to walk through the array of active sglq entries
5317 * and free all of the resources.
5318 * This is just a place holder for now.
5321 lpfc_free_active_sgl(struct lpfc_hba
*phba
)
5323 kfree(phba
->sli4_hba
.lpfc_sglq_active_list
);
5327 * lpfc_init_sgl_list - Allocate and initialize sgl list.
5328 * @phba: pointer to lpfc hba data structure.
5330 * This routine is invoked to allocate and initizlize the driver's sgl
5331 * list and set up the sgl xritag tag array accordingly.
5335 lpfc_init_sgl_list(struct lpfc_hba
*phba
)
5337 /* Initialize and populate the sglq list per host/VF. */
5338 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_sgl_list
);
5339 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
5341 /* els xri-sgl book keeping */
5342 phba
->sli4_hba
.els_xri_cnt
= 0;
5344 /* scsi xri-buffer book keeping */
5345 phba
->sli4_hba
.scsi_xri_cnt
= 0;
5349 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
5350 * @phba: pointer to lpfc hba data structure.
5352 * This routine is invoked to post rpi header templates to the
5353 * port for those SLI4 ports that do not support extents. This routine
5354 * posts a PAGE_SIZE memory region to the port to hold up to
5355 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
5356 * and should be called only when interrupts are disabled.
5360 * -ERROR - otherwise.
5363 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*phba
)
5366 struct lpfc_rpi_hdr
*rpi_hdr
;
5368 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5369 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5371 if (phba
->sli4_hba
.extents_in_use
)
5374 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
5376 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5377 "0391 Error during rpi post operation\n");
5378 lpfc_sli4_remove_rpis(phba
);
5386 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
5387 * @phba: pointer to lpfc hba data structure.
5389 * This routine is invoked to allocate a single 4KB memory region to
5390 * support rpis and stores them in the phba. This single region
5391 * provides support for up to 64 rpis. The region is used globally
5395 * A valid rpi hdr on success.
5396 * A NULL pointer on any failure.
5398 struct lpfc_rpi_hdr
*
5399 lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*phba
)
5401 uint16_t rpi_limit
, curr_rpi_range
;
5402 struct lpfc_dmabuf
*dmabuf
;
5403 struct lpfc_rpi_hdr
*rpi_hdr
;
5407 * If the SLI4 port supports extents, posting the rpi header isn't
5408 * required. Set the expected maximum count and let the actual value
5409 * get set when extents are fully allocated.
5411 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5413 if (phba
->sli4_hba
.extents_in_use
)
5416 /* The limit on the logical index is just the max_rpi count. */
5417 rpi_limit
= phba
->sli4_hba
.max_cfg_param
.rpi_base
+
5418 phba
->sli4_hba
.max_cfg_param
.max_rpi
- 1;
5420 spin_lock_irq(&phba
->hbalock
);
5422 * Establish the starting RPI in this header block. The starting
5423 * rpi is normalized to a zero base because the physical rpi is
5426 curr_rpi_range
= phba
->sli4_hba
.next_rpi
;
5427 spin_unlock_irq(&phba
->hbalock
);
5430 * The port has a limited number of rpis. The increment here
5431 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
5432 * and to allow the full max_rpi range per port.
5434 if ((curr_rpi_range
+ (LPFC_RPI_HDR_COUNT
- 1)) > rpi_limit
)
5435 rpi_count
= rpi_limit
- curr_rpi_range
;
5437 rpi_count
= LPFC_RPI_HDR_COUNT
;
5442 * First allocate the protocol header region for the port. The
5443 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
5445 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
5449 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
5450 LPFC_HDR_TEMPLATE_SIZE
,
5453 if (!dmabuf
->virt
) {
5455 goto err_free_dmabuf
;
5458 memset(dmabuf
->virt
, 0, LPFC_HDR_TEMPLATE_SIZE
);
5459 if (!IS_ALIGNED(dmabuf
->phys
, LPFC_HDR_TEMPLATE_SIZE
)) {
5461 goto err_free_coherent
;
5464 /* Save the rpi header data for cleanup later. */
5465 rpi_hdr
= kzalloc(sizeof(struct lpfc_rpi_hdr
), GFP_KERNEL
);
5467 goto err_free_coherent
;
5469 rpi_hdr
->dmabuf
= dmabuf
;
5470 rpi_hdr
->len
= LPFC_HDR_TEMPLATE_SIZE
;
5471 rpi_hdr
->page_count
= 1;
5472 spin_lock_irq(&phba
->hbalock
);
5474 /* The rpi_hdr stores the logical index only. */
5475 rpi_hdr
->start_rpi
= curr_rpi_range
;
5476 list_add_tail(&rpi_hdr
->list
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5479 * The next_rpi stores the next logical module-64 rpi value used
5480 * to post physical rpis in subsequent rpi postings.
5482 phba
->sli4_hba
.next_rpi
+= rpi_count
;
5483 spin_unlock_irq(&phba
->hbalock
);
5487 dma_free_coherent(&phba
->pcidev
->dev
, LPFC_HDR_TEMPLATE_SIZE
,
5488 dmabuf
->virt
, dmabuf
->phys
);
5495 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
5496 * @phba: pointer to lpfc hba data structure.
5498 * This routine is invoked to remove all memory resources allocated
5499 * to support rpis for SLI4 ports not supporting extents. This routine
5500 * presumes the caller has released all rpis consumed by fabric or port
5501 * logins and is prepared to have the header pages removed.
5504 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*phba
)
5506 struct lpfc_rpi_hdr
*rpi_hdr
, *next_rpi_hdr
;
5508 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5511 list_for_each_entry_safe(rpi_hdr
, next_rpi_hdr
,
5512 &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
5513 list_del(&rpi_hdr
->list
);
5514 dma_free_coherent(&phba
->pcidev
->dev
, rpi_hdr
->len
,
5515 rpi_hdr
->dmabuf
->virt
, rpi_hdr
->dmabuf
->phys
);
5516 kfree(rpi_hdr
->dmabuf
);
5520 /* There are no rpis available to the port now. */
5521 phba
->sli4_hba
.next_rpi
= 0;
5525 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
5526 * @pdev: pointer to pci device data structure.
5528 * This routine is invoked to allocate the driver hba data structure for an
5529 * HBA device. If the allocation is successful, the phba reference to the
5530 * PCI device data structure is set.
5533 * pointer to @phba - successful
5536 static struct lpfc_hba
*
5537 lpfc_hba_alloc(struct pci_dev
*pdev
)
5539 struct lpfc_hba
*phba
;
5541 /* Allocate memory for HBA structure */
5542 phba
= kzalloc(sizeof(struct lpfc_hba
), GFP_KERNEL
);
5544 dev_err(&pdev
->dev
, "failed to allocate hba struct\n");
5548 /* Set reference to PCI device in HBA structure */
5549 phba
->pcidev
= pdev
;
5551 /* Assign an unused board number */
5552 phba
->brd_no
= lpfc_get_instance();
5553 if (phba
->brd_no
< 0) {
5558 spin_lock_init(&phba
->ct_ev_lock
);
5559 INIT_LIST_HEAD(&phba
->ct_ev_waiters
);
5565 * lpfc_hba_free - Free driver hba data structure with a device.
5566 * @phba: pointer to lpfc hba data structure.
5568 * This routine is invoked to free the driver hba data structure with an
5572 lpfc_hba_free(struct lpfc_hba
*phba
)
5574 /* Release the driver assigned board number */
5575 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
5577 /* Free memory allocated with sli rings */
5578 kfree(phba
->sli
.ring
);
5579 phba
->sli
.ring
= NULL
;
5586 * lpfc_create_shost - Create hba physical port with associated scsi host.
5587 * @phba: pointer to lpfc hba data structure.
5589 * This routine is invoked to create HBA physical port and associate a SCSI
5594 * other values - error
5597 lpfc_create_shost(struct lpfc_hba
*phba
)
5599 struct lpfc_vport
*vport
;
5600 struct Scsi_Host
*shost
;
5602 /* Initialize HBA FC structure */
5603 phba
->fc_edtov
= FF_DEF_EDTOV
;
5604 phba
->fc_ratov
= FF_DEF_RATOV
;
5605 phba
->fc_altov
= FF_DEF_ALTOV
;
5606 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
5608 atomic_set(&phba
->sdev_cnt
, 0);
5609 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
5613 shost
= lpfc_shost_from_vport(vport
);
5614 phba
->pport
= vport
;
5615 lpfc_debugfs_initialize(vport
);
5616 /* Put reference to SCSI host to driver's device private data */
5617 pci_set_drvdata(phba
->pcidev
, shost
);
5623 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
5624 * @phba: pointer to lpfc hba data structure.
5626 * This routine is invoked to destroy HBA physical port and the associated
5630 lpfc_destroy_shost(struct lpfc_hba
*phba
)
5632 struct lpfc_vport
*vport
= phba
->pport
;
5634 /* Destroy physical port that associated with the SCSI host */
5635 destroy_port(vport
);
5641 * lpfc_setup_bg - Setup Block guard structures and debug areas.
5642 * @phba: pointer to lpfc hba data structure.
5643 * @shost: the shost to be used to detect Block guard settings.
5645 * This routine sets up the local Block guard protocol settings for @shost.
5646 * This routine also allocates memory for debugging bg buffers.
5649 lpfc_setup_bg(struct lpfc_hba
*phba
, struct Scsi_Host
*shost
)
5655 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
5656 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5657 "1478 Registering BlockGuard with the "
5660 old_mask
= lpfc_prot_mask
;
5661 old_guard
= lpfc_prot_guard
;
5663 /* Only allow supported values */
5664 lpfc_prot_mask
&= (SHOST_DIF_TYPE1_PROTECTION
|
5665 SHOST_DIX_TYPE0_PROTECTION
|
5666 SHOST_DIX_TYPE1_PROTECTION
);
5667 lpfc_prot_guard
&= (SHOST_DIX_GUARD_IP
| SHOST_DIX_GUARD_CRC
);
5669 /* DIF Type 1 protection for profiles AST1/C1 is end to end */
5670 if (lpfc_prot_mask
== SHOST_DIX_TYPE1_PROTECTION
)
5671 lpfc_prot_mask
|= SHOST_DIF_TYPE1_PROTECTION
;
5673 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
5674 if ((old_mask
!= lpfc_prot_mask
) ||
5675 (old_guard
!= lpfc_prot_guard
))
5676 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5677 "1475 Registering BlockGuard with the "
5678 "SCSI layer: mask %d guard %d\n",
5679 lpfc_prot_mask
, lpfc_prot_guard
);
5681 scsi_host_set_prot(shost
, lpfc_prot_mask
);
5682 scsi_host_set_guard(shost
, lpfc_prot_guard
);
5684 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5685 "1479 Not Registering BlockGuard with the SCSI "
5686 "layer, Bad protection parameters: %d %d\n",
5687 old_mask
, old_guard
);
5690 if (!_dump_buf_data
) {
5692 spin_lock_init(&_dump_buf_lock
);
5694 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
5695 if (_dump_buf_data
) {
5696 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5697 "9043 BLKGRD: allocated %d pages for "
5698 "_dump_buf_data at 0x%p\n",
5699 (1 << pagecnt
), _dump_buf_data
);
5700 _dump_buf_data_order
= pagecnt
;
5701 memset(_dump_buf_data
, 0,
5702 ((1 << PAGE_SHIFT
) << pagecnt
));
5707 if (!_dump_buf_data_order
)
5708 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5709 "9044 BLKGRD: ERROR unable to allocate "
5710 "memory for hexdump\n");
5712 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5713 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
5714 "\n", _dump_buf_data
);
5715 if (!_dump_buf_dif
) {
5718 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
5719 if (_dump_buf_dif
) {
5720 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5721 "9046 BLKGRD: allocated %d pages for "
5722 "_dump_buf_dif at 0x%p\n",
5723 (1 << pagecnt
), _dump_buf_dif
);
5724 _dump_buf_dif_order
= pagecnt
;
5725 memset(_dump_buf_dif
, 0,
5726 ((1 << PAGE_SHIFT
) << pagecnt
));
5731 if (!_dump_buf_dif_order
)
5732 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5733 "9047 BLKGRD: ERROR unable to allocate "
5734 "memory for hexdump\n");
5736 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5737 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
5742 * lpfc_post_init_setup - Perform necessary device post initialization setup.
5743 * @phba: pointer to lpfc hba data structure.
5745 * This routine is invoked to perform all the necessary post initialization
5746 * setup for the device.
5749 lpfc_post_init_setup(struct lpfc_hba
*phba
)
5751 struct Scsi_Host
*shost
;
5752 struct lpfc_adapter_event_header adapter_event
;
5754 /* Get the default values for Model Name and Description */
5755 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
5758 * hba setup may have changed the hba_queue_depth so we need to
5759 * adjust the value of can_queue.
5761 shost
= pci_get_drvdata(phba
->pcidev
);
5762 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
5763 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
5764 lpfc_setup_bg(phba
, shost
);
5766 lpfc_host_attrib_init(shost
);
5768 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
5769 spin_lock_irq(shost
->host_lock
);
5770 lpfc_poll_start_timer(phba
);
5771 spin_unlock_irq(shost
->host_lock
);
5774 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5775 "0428 Perform SCSI scan\n");
5776 /* Send board arrival event to upper layer */
5777 adapter_event
.event_type
= FC_REG_ADAPTER_EVENT
;
5778 adapter_event
.subcategory
= LPFC_EVENT_ARRIVAL
;
5779 fc_host_post_vendor_event(shost
, fc_get_event_number(),
5780 sizeof(adapter_event
),
5781 (char *) &adapter_event
,
5787 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
5788 * @phba: pointer to lpfc hba data structure.
5790 * This routine is invoked to set up the PCI device memory space for device
5791 * with SLI-3 interface spec.
5795 * other values - error
5798 lpfc_sli_pci_mem_setup(struct lpfc_hba
*phba
)
5800 struct pci_dev
*pdev
;
5801 unsigned long bar0map_len
, bar2map_len
;
5804 int error
= -ENODEV
;
5806 /* Obtain PCI device reference */
5810 pdev
= phba
->pcidev
;
5812 /* Set the device DMA mask size */
5813 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
5814 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
5815 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
5816 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
5821 /* Get the bus address of Bar0 and Bar2 and the number of bytes
5822 * required by each mapping.
5824 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
5825 bar0map_len
= pci_resource_len(pdev
, 0);
5827 phba
->pci_bar2_map
= pci_resource_start(pdev
, 2);
5828 bar2map_len
= pci_resource_len(pdev
, 2);
5830 /* Map HBA SLIM to a kernel virtual address. */
5831 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
5832 if (!phba
->slim_memmap_p
) {
5833 dev_printk(KERN_ERR
, &pdev
->dev
,
5834 "ioremap failed for SLIM memory.\n");
5838 /* Map HBA Control Registers to a kernel virtual address. */
5839 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
5840 if (!phba
->ctrl_regs_memmap_p
) {
5841 dev_printk(KERN_ERR
, &pdev
->dev
,
5842 "ioremap failed for HBA control registers.\n");
5843 goto out_iounmap_slim
;
5846 /* Allocate memory for SLI-2 structures */
5847 phba
->slim2p
.virt
= dma_alloc_coherent(&pdev
->dev
,
5851 if (!phba
->slim2p
.virt
)
5854 memset(phba
->slim2p
.virt
, 0, SLI2_SLIM_SIZE
);
5855 phba
->mbox
= phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, mbx
);
5856 phba
->mbox_ext
= (phba
->slim2p
.virt
+
5857 offsetof(struct lpfc_sli2_slim
, mbx_ext_words
));
5858 phba
->pcb
= (phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, pcb
));
5859 phba
->IOCBs
= (phba
->slim2p
.virt
+
5860 offsetof(struct lpfc_sli2_slim
, IOCBs
));
5862 phba
->hbqslimp
.virt
= dma_alloc_coherent(&pdev
->dev
,
5863 lpfc_sli_hbq_size(),
5864 &phba
->hbqslimp
.phys
,
5866 if (!phba
->hbqslimp
.virt
)
5869 hbq_count
= lpfc_sli_hbq_count();
5870 ptr
= phba
->hbqslimp
.virt
;
5871 for (i
= 0; i
< hbq_count
; ++i
) {
5872 phba
->hbqs
[i
].hbq_virt
= ptr
;
5873 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
5874 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
5875 sizeof(struct lpfc_hbq_entry
));
5877 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
5878 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
5880 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
5882 INIT_LIST_HEAD(&phba
->rb_pend_list
);
5884 phba
->MBslimaddr
= phba
->slim_memmap_p
;
5885 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
5886 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
5887 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
5888 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
5893 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
5894 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
5896 iounmap(phba
->ctrl_regs_memmap_p
);
5898 iounmap(phba
->slim_memmap_p
);
5904 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
5905 * @phba: pointer to lpfc hba data structure.
5907 * This routine is invoked to unset the PCI device memory space for device
5908 * with SLI-3 interface spec.
5911 lpfc_sli_pci_mem_unset(struct lpfc_hba
*phba
)
5913 struct pci_dev
*pdev
;
5915 /* Obtain PCI device reference */
5919 pdev
= phba
->pcidev
;
5921 /* Free coherent DMA memory allocated */
5922 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
5923 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
5924 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
5925 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
5927 /* I/O memory unmap */
5928 iounmap(phba
->ctrl_regs_memmap_p
);
5929 iounmap(phba
->slim_memmap_p
);
5935 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
5936 * @phba: pointer to lpfc hba data structure.
5938 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
5939 * done and check status.
5941 * Return 0 if successful, otherwise -ENODEV.
5944 lpfc_sli4_post_status_check(struct lpfc_hba
*phba
)
5946 struct lpfc_register portsmphr_reg
, uerrlo_reg
, uerrhi_reg
;
5947 struct lpfc_register reg_data
;
5948 int i
, port_error
= 0;
5951 memset(&portsmphr_reg
, 0, sizeof(portsmphr_reg
));
5952 memset(®_data
, 0, sizeof(reg_data
));
5953 if (!phba
->sli4_hba
.PSMPHRregaddr
)
5956 /* Wait up to 30 seconds for the SLI Port POST done and ready */
5957 for (i
= 0; i
< 3000; i
++) {
5958 if (lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
5959 &portsmphr_reg
.word0
) ||
5960 (bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
))) {
5961 /* Port has a fatal POST error, break out */
5962 port_error
= -ENODEV
;
5965 if (LPFC_POST_STAGE_PORT_READY
==
5966 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
))
5972 * If there was a port error during POST, then don't proceed with
5973 * other register reads as the data may not be valid. Just exit.
5976 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5977 "1408 Port Failed POST - portsmphr=0x%x, "
5978 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
5979 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
5980 portsmphr_reg
.word0
,
5981 bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
),
5982 bf_get(lpfc_port_smphr_sfi
, &portsmphr_reg
),
5983 bf_get(lpfc_port_smphr_nip
, &portsmphr_reg
),
5984 bf_get(lpfc_port_smphr_ipc
, &portsmphr_reg
),
5985 bf_get(lpfc_port_smphr_scr1
, &portsmphr_reg
),
5986 bf_get(lpfc_port_smphr_scr2
, &portsmphr_reg
),
5987 bf_get(lpfc_port_smphr_host_scratch
, &portsmphr_reg
),
5988 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
));
5990 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5991 "2534 Device Info: SLIFamily=0x%x, "
5992 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
5993 "SLIHint_2=0x%x, FT=0x%x\n",
5994 bf_get(lpfc_sli_intf_sli_family
,
5995 &phba
->sli4_hba
.sli_intf
),
5996 bf_get(lpfc_sli_intf_slirev
,
5997 &phba
->sli4_hba
.sli_intf
),
5998 bf_get(lpfc_sli_intf_if_type
,
5999 &phba
->sli4_hba
.sli_intf
),
6000 bf_get(lpfc_sli_intf_sli_hint1
,
6001 &phba
->sli4_hba
.sli_intf
),
6002 bf_get(lpfc_sli_intf_sli_hint2
,
6003 &phba
->sli4_hba
.sli_intf
),
6004 bf_get(lpfc_sli_intf_func_type
,
6005 &phba
->sli4_hba
.sli_intf
));
6007 * Check for other Port errors during the initialization
6008 * process. Fail the load if the port did not come up
6011 if_type
= bf_get(lpfc_sli_intf_if_type
,
6012 &phba
->sli4_hba
.sli_intf
);
6014 case LPFC_SLI_INTF_IF_TYPE_0
:
6015 phba
->sli4_hba
.ue_mask_lo
=
6016 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
);
6017 phba
->sli4_hba
.ue_mask_hi
=
6018 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
);
6020 readl(phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
);
6022 readl(phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
);
6023 if ((~phba
->sli4_hba
.ue_mask_lo
& uerrlo_reg
.word0
) ||
6024 (~phba
->sli4_hba
.ue_mask_hi
& uerrhi_reg
.word0
)) {
6025 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6026 "1422 Unrecoverable Error "
6027 "Detected during POST "
6028 "uerr_lo_reg=0x%x, "
6029 "uerr_hi_reg=0x%x, "
6030 "ue_mask_lo_reg=0x%x, "
6031 "ue_mask_hi_reg=0x%x\n",
6034 phba
->sli4_hba
.ue_mask_lo
,
6035 phba
->sli4_hba
.ue_mask_hi
);
6036 port_error
= -ENODEV
;
6039 case LPFC_SLI_INTF_IF_TYPE_2
:
6040 /* Final checks. The port status should be clean. */
6041 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
6043 (bf_get(lpfc_sliport_status_err
, ®_data
) &&
6044 !bf_get(lpfc_sliport_status_rn
, ®_data
))) {
6045 phba
->work_status
[0] =
6046 readl(phba
->sli4_hba
.u
.if_type2
.
6048 phba
->work_status
[1] =
6049 readl(phba
->sli4_hba
.u
.if_type2
.
6051 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6052 "2888 Unrecoverable port error "
6053 "following POST: port status reg "
6054 "0x%x, port_smphr reg 0x%x, "
6055 "error 1=0x%x, error 2=0x%x\n",
6057 portsmphr_reg
.word0
,
6058 phba
->work_status
[0],
6059 phba
->work_status
[1]);
6060 port_error
= -ENODEV
;
6063 case LPFC_SLI_INTF_IF_TYPE_1
:
6072 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
6073 * @phba: pointer to lpfc hba data structure.
6074 * @if_type: The SLI4 interface type getting configured.
6076 * This routine is invoked to set up SLI4 BAR0 PCI config space register
6080 lpfc_sli4_bar0_register_memmap(struct lpfc_hba
*phba
, uint32_t if_type
)
6083 case LPFC_SLI_INTF_IF_TYPE_0
:
6084 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
=
6085 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_LO
;
6086 phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
=
6087 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_HI
;
6088 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
=
6089 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_LO
;
6090 phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
=
6091 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_HI
;
6092 phba
->sli4_hba
.SLIINTFregaddr
=
6093 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
6095 case LPFC_SLI_INTF_IF_TYPE_2
:
6096 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
=
6097 phba
->sli4_hba
.conf_regs_memmap_p
+
6098 LPFC_CTL_PORT_ER1_OFFSET
;
6099 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
=
6100 phba
->sli4_hba
.conf_regs_memmap_p
+
6101 LPFC_CTL_PORT_ER2_OFFSET
;
6102 phba
->sli4_hba
.u
.if_type2
.CTRLregaddr
=
6103 phba
->sli4_hba
.conf_regs_memmap_p
+
6104 LPFC_CTL_PORT_CTL_OFFSET
;
6105 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
=
6106 phba
->sli4_hba
.conf_regs_memmap_p
+
6107 LPFC_CTL_PORT_STA_OFFSET
;
6108 phba
->sli4_hba
.SLIINTFregaddr
=
6109 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
6110 phba
->sli4_hba
.PSMPHRregaddr
=
6111 phba
->sli4_hba
.conf_regs_memmap_p
+
6112 LPFC_CTL_PORT_SEM_OFFSET
;
6113 phba
->sli4_hba
.RQDBregaddr
=
6114 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_RQ_DOORBELL
;
6115 phba
->sli4_hba
.WQDBregaddr
=
6116 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_WQ_DOORBELL
;
6117 phba
->sli4_hba
.EQCQDBregaddr
=
6118 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_EQCQ_DOORBELL
;
6119 phba
->sli4_hba
.MQDBregaddr
=
6120 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_MQ_DOORBELL
;
6121 phba
->sli4_hba
.BMBXregaddr
=
6122 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_BMBX
;
6124 case LPFC_SLI_INTF_IF_TYPE_1
:
6126 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
6127 "FATAL - unsupported SLI4 interface type - %d\n",
6134 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
6135 * @phba: pointer to lpfc hba data structure.
6137 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
6141 lpfc_sli4_bar1_register_memmap(struct lpfc_hba
*phba
)
6143 phba
->sli4_hba
.PSMPHRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6144 LPFC_SLIPORT_IF0_SMPHR
;
6145 phba
->sli4_hba
.ISRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6147 phba
->sli4_hba
.IMRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6149 phba
->sli4_hba
.ISCRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6154 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
6155 * @phba: pointer to lpfc hba data structure.
6156 * @vf: virtual function number
6158 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
6159 * based on the given viftual function number, @vf.
6161 * Return 0 if successful, otherwise -ENODEV.
6164 lpfc_sli4_bar2_register_memmap(struct lpfc_hba
*phba
, uint32_t vf
)
6166 if (vf
> LPFC_VIR_FUNC_MAX
)
6169 phba
->sli4_hba
.RQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6170 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_RQ_DOORBELL
);
6171 phba
->sli4_hba
.WQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6172 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_WQ_DOORBELL
);
6173 phba
->sli4_hba
.EQCQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6174 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_EQCQ_DOORBELL
);
6175 phba
->sli4_hba
.MQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6176 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_MQ_DOORBELL
);
6177 phba
->sli4_hba
.BMBXregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6178 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_BMBX
);
6183 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
6184 * @phba: pointer to lpfc hba data structure.
6186 * This routine is invoked to create the bootstrap mailbox
6187 * region consistent with the SLI-4 interface spec. This
6188 * routine allocates all memory necessary to communicate
6189 * mailbox commands to the port and sets up all alignment
6190 * needs. No locks are expected to be held when calling
6195 * -ENOMEM - could not allocated memory.
6198 lpfc_create_bootstrap_mbox(struct lpfc_hba
*phba
)
6201 struct lpfc_dmabuf
*dmabuf
;
6202 struct dma_address
*dma_address
;
6206 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
6211 * The bootstrap mailbox region is comprised of 2 parts
6212 * plus an alignment restriction of 16 bytes.
6214 bmbx_size
= sizeof(struct lpfc_bmbx_create
) + (LPFC_ALIGN_16_BYTE
- 1);
6215 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
6219 if (!dmabuf
->virt
) {
6223 memset(dmabuf
->virt
, 0, bmbx_size
);
6226 * Initialize the bootstrap mailbox pointers now so that the register
6227 * operations are simple later. The mailbox dma address is required
6228 * to be 16-byte aligned. Also align the virtual memory as each
6229 * maibox is copied into the bmbx mailbox region before issuing the
6230 * command to the port.
6232 phba
->sli4_hba
.bmbx
.dmabuf
= dmabuf
;
6233 phba
->sli4_hba
.bmbx
.bmbx_size
= bmbx_size
;
6235 phba
->sli4_hba
.bmbx
.avirt
= PTR_ALIGN(dmabuf
->virt
,
6236 LPFC_ALIGN_16_BYTE
);
6237 phba
->sli4_hba
.bmbx
.aphys
= ALIGN(dmabuf
->phys
,
6238 LPFC_ALIGN_16_BYTE
);
6241 * Set the high and low physical addresses now. The SLI4 alignment
6242 * requirement is 16 bytes and the mailbox is posted to the port
6243 * as two 30-bit addresses. The other data is a bit marking whether
6244 * the 30-bit address is the high or low address.
6245 * Upcast bmbx aphys to 64bits so shift instruction compiles
6246 * clean on 32 bit machines.
6248 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
6249 phys_addr
= (uint64_t)phba
->sli4_hba
.bmbx
.aphys
;
6250 pa_addr
= (uint32_t) ((phys_addr
>> 34) & 0x3fffffff);
6251 dma_address
->addr_hi
= (uint32_t) ((pa_addr
<< 2) |
6252 LPFC_BMBX_BIT1_ADDR_HI
);
6254 pa_addr
= (uint32_t) ((phba
->sli4_hba
.bmbx
.aphys
>> 4) & 0x3fffffff);
6255 dma_address
->addr_lo
= (uint32_t) ((pa_addr
<< 2) |
6256 LPFC_BMBX_BIT1_ADDR_LO
);
6261 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
6262 * @phba: pointer to lpfc hba data structure.
6264 * This routine is invoked to teardown the bootstrap mailbox
6265 * region and release all host resources. This routine requires
6266 * the caller to ensure all mailbox commands recovered, no
6267 * additional mailbox comands are sent, and interrupts are disabled
6268 * before calling this routine.
6272 lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*phba
)
6274 dma_free_coherent(&phba
->pcidev
->dev
,
6275 phba
->sli4_hba
.bmbx
.bmbx_size
,
6276 phba
->sli4_hba
.bmbx
.dmabuf
->virt
,
6277 phba
->sli4_hba
.bmbx
.dmabuf
->phys
);
6279 kfree(phba
->sli4_hba
.bmbx
.dmabuf
);
6280 memset(&phba
->sli4_hba
.bmbx
, 0, sizeof(struct lpfc_bmbx
));
6284 * lpfc_sli4_read_config - Get the config parameters.
6285 * @phba: pointer to lpfc hba data structure.
6287 * This routine is invoked to read the configuration parameters from the HBA.
6288 * The configuration parameters are used to set the base and maximum values
6289 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
6290 * allocation for the port.
6294 * -ENOMEM - No available memory
6295 * -EIO - The mailbox failed to complete successfully.
6298 lpfc_sli4_read_config(struct lpfc_hba
*phba
)
6301 struct lpfc_mbx_read_config
*rd_config
;
6302 union lpfc_sli4_cfg_shdr
*shdr
;
6303 uint32_t shdr_status
, shdr_add_status
;
6304 struct lpfc_mbx_get_func_cfg
*get_func_cfg
;
6305 struct lpfc_rsrc_desc_fcfcoe
*desc
;
6307 uint32_t desc_count
;
6308 int length
, i
, rc
= 0, rc2
;
6310 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
6312 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6313 "2011 Unable to allocate memory for issuing "
6314 "SLI_CONFIG_SPECIAL mailbox command\n");
6318 lpfc_read_config(phba
, pmb
);
6320 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6321 if (rc
!= MBX_SUCCESS
) {
6322 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6323 "2012 Mailbox failed , mbxCmd x%x "
6324 "READ_CONFIG, mbxStatus x%x\n",
6325 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6326 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6329 rd_config
= &pmb
->u
.mqe
.un
.rd_config
;
6330 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv
, rd_config
)) {
6331 phba
->sli4_hba
.lnk_info
.lnk_dv
= LPFC_LNK_DAT_VAL
;
6332 phba
->sli4_hba
.lnk_info
.lnk_tp
=
6333 bf_get(lpfc_mbx_rd_conf_lnk_type
, rd_config
);
6334 phba
->sli4_hba
.lnk_info
.lnk_no
=
6335 bf_get(lpfc_mbx_rd_conf_lnk_numb
, rd_config
);
6336 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6337 "3081 lnk_type:%d, lnk_numb:%d\n",
6338 phba
->sli4_hba
.lnk_info
.lnk_tp
,
6339 phba
->sli4_hba
.lnk_info
.lnk_no
);
6341 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
6342 "3082 Mailbox (x%x) returned ldv:x0\n",
6343 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
));
6344 phba
->sli4_hba
.extents_in_use
=
6345 bf_get(lpfc_mbx_rd_conf_extnts_inuse
, rd_config
);
6346 phba
->sli4_hba
.max_cfg_param
.max_xri
=
6347 bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
6348 phba
->sli4_hba
.max_cfg_param
.xri_base
=
6349 bf_get(lpfc_mbx_rd_conf_xri_base
, rd_config
);
6350 phba
->sli4_hba
.max_cfg_param
.max_vpi
=
6351 bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
);
6352 phba
->sli4_hba
.max_cfg_param
.vpi_base
=
6353 bf_get(lpfc_mbx_rd_conf_vpi_base
, rd_config
);
6354 phba
->sli4_hba
.max_cfg_param
.max_rpi
=
6355 bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
6356 phba
->sli4_hba
.max_cfg_param
.rpi_base
=
6357 bf_get(lpfc_mbx_rd_conf_rpi_base
, rd_config
);
6358 phba
->sli4_hba
.max_cfg_param
.max_vfi
=
6359 bf_get(lpfc_mbx_rd_conf_vfi_count
, rd_config
);
6360 phba
->sli4_hba
.max_cfg_param
.vfi_base
=
6361 bf_get(lpfc_mbx_rd_conf_vfi_base
, rd_config
);
6362 phba
->sli4_hba
.max_cfg_param
.max_fcfi
=
6363 bf_get(lpfc_mbx_rd_conf_fcfi_count
, rd_config
);
6364 phba
->sli4_hba
.max_cfg_param
.max_eq
=
6365 bf_get(lpfc_mbx_rd_conf_eq_count
, rd_config
);
6366 phba
->sli4_hba
.max_cfg_param
.max_rq
=
6367 bf_get(lpfc_mbx_rd_conf_rq_count
, rd_config
);
6368 phba
->sli4_hba
.max_cfg_param
.max_wq
=
6369 bf_get(lpfc_mbx_rd_conf_wq_count
, rd_config
);
6370 phba
->sli4_hba
.max_cfg_param
.max_cq
=
6371 bf_get(lpfc_mbx_rd_conf_cq_count
, rd_config
);
6372 phba
->lmt
= bf_get(lpfc_mbx_rd_conf_lmt
, rd_config
);
6373 phba
->sli4_hba
.next_xri
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
6374 phba
->vpi_base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
6375 phba
->vfi_base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
6376 phba
->max_vpi
= (phba
->sli4_hba
.max_cfg_param
.max_vpi
> 0) ?
6377 (phba
->sli4_hba
.max_cfg_param
.max_vpi
- 1) : 0;
6378 phba
->max_vports
= phba
->max_vpi
;
6379 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6380 "2003 cfg params Extents? %d "
6386 phba
->sli4_hba
.extents_in_use
,
6387 phba
->sli4_hba
.max_cfg_param
.xri_base
,
6388 phba
->sli4_hba
.max_cfg_param
.max_xri
,
6389 phba
->sli4_hba
.max_cfg_param
.vpi_base
,
6390 phba
->sli4_hba
.max_cfg_param
.max_vpi
,
6391 phba
->sli4_hba
.max_cfg_param
.vfi_base
,
6392 phba
->sli4_hba
.max_cfg_param
.max_vfi
,
6393 phba
->sli4_hba
.max_cfg_param
.rpi_base
,
6394 phba
->sli4_hba
.max_cfg_param
.max_rpi
,
6395 phba
->sli4_hba
.max_cfg_param
.max_fcfi
);
6401 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
6402 if (phba
->cfg_hba_queue_depth
>
6403 (phba
->sli4_hba
.max_cfg_param
.max_xri
-
6404 lpfc_sli4_get_els_iocb_cnt(phba
)))
6405 phba
->cfg_hba_queue_depth
=
6406 phba
->sli4_hba
.max_cfg_param
.max_xri
-
6407 lpfc_sli4_get_els_iocb_cnt(phba
);
6409 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
6410 LPFC_SLI_INTF_IF_TYPE_2
)
6413 /* get the pf# and vf# for SLI4 if_type 2 port */
6414 length
= (sizeof(struct lpfc_mbx_get_func_cfg
) -
6415 sizeof(struct lpfc_sli4_cfg_mhdr
));
6416 lpfc_sli4_config(phba
, pmb
, LPFC_MBOX_SUBSYSTEM_COMMON
,
6417 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG
,
6418 length
, LPFC_SLI4_MBX_EMBED
);
6420 rc2
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6421 shdr
= (union lpfc_sli4_cfg_shdr
*)
6422 &pmb
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
6423 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
6424 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
6425 if (rc2
|| shdr_status
|| shdr_add_status
) {
6426 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6427 "3026 Mailbox failed , mbxCmd x%x "
6428 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
6429 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6430 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6434 /* search for fc_fcoe resrouce descriptor */
6435 get_func_cfg
= &pmb
->u
.mqe
.un
.get_func_cfg
;
6436 desc_count
= get_func_cfg
->func_cfg
.rsrc_desc_count
;
6438 pdesc_0
= (char *)&get_func_cfg
->func_cfg
.desc
[0];
6439 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)pdesc_0
;
6440 length
= bf_get(lpfc_rsrc_desc_fcfcoe_length
, desc
);
6441 if (length
== LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD
)
6442 length
= LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH
;
6443 else if (length
!= LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH
)
6446 for (i
= 0; i
< LPFC_RSRC_DESC_MAX_NUM
; i
++) {
6447 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)(pdesc_0
+ length
* i
);
6448 if (LPFC_RSRC_DESC_TYPE_FCFCOE
==
6449 bf_get(lpfc_rsrc_desc_fcfcoe_type
, desc
)) {
6450 phba
->sli4_hba
.iov
.pf_number
=
6451 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum
, desc
);
6452 phba
->sli4_hba
.iov
.vf_number
=
6453 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum
, desc
);
6458 if (i
< LPFC_RSRC_DESC_MAX_NUM
)
6459 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6460 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
6461 "vf_number:%d\n", phba
->sli4_hba
.iov
.pf_number
,
6462 phba
->sli4_hba
.iov
.vf_number
);
6464 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6465 "3028 GET_FUNCTION_CONFIG: failed to find "
6466 "Resrouce Descriptor:x%x\n",
6467 LPFC_RSRC_DESC_TYPE_FCFCOE
);
6470 mempool_free(pmb
, phba
->mbox_mem_pool
);
6475 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
6476 * @phba: pointer to lpfc hba data structure.
6478 * This routine is invoked to setup the port-side endian order when
6479 * the port if_type is 0. This routine has no function for other
6484 * -ENOMEM - No available memory
6485 * -EIO - The mailbox failed to complete successfully.
6488 lpfc_setup_endian_order(struct lpfc_hba
*phba
)
6490 LPFC_MBOXQ_t
*mboxq
;
6491 uint32_t if_type
, rc
= 0;
6492 uint32_t endian_mb_data
[2] = {HOST_ENDIAN_LOW_WORD0
,
6493 HOST_ENDIAN_HIGH_WORD1
};
6495 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
6497 case LPFC_SLI_INTF_IF_TYPE_0
:
6498 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
6501 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6502 "0492 Unable to allocate memory for "
6503 "issuing SLI_CONFIG_SPECIAL mailbox "
6509 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
6510 * two words to contain special data values and no other data.
6512 memset(mboxq
, 0, sizeof(LPFC_MBOXQ_t
));
6513 memcpy(&mboxq
->u
.mqe
, &endian_mb_data
, sizeof(endian_mb_data
));
6514 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6515 if (rc
!= MBX_SUCCESS
) {
6516 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6517 "0493 SLI_CONFIG_SPECIAL mailbox "
6518 "failed with status x%x\n",
6522 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6524 case LPFC_SLI_INTF_IF_TYPE_2
:
6525 case LPFC_SLI_INTF_IF_TYPE_1
:
6533 * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
6534 * @phba: pointer to lpfc hba data structure.
6536 * This routine is invoked to check the user settable queue counts for EQs and
6537 * CQs. after this routine is called the counts will be set to valid values that
6538 * adhere to the constraints of the system's interrupt vectors and the port's
6543 * -ENOMEM - No available memory
6546 lpfc_sli4_queue_verify(struct lpfc_hba
*phba
)
6548 int cfg_fcp_io_channel
;
6554 * Sanity check for configured queue parameters against the run-time
6558 /* Sanity check on HBA EQ parameters */
6559 cfg_fcp_io_channel
= phba
->cfg_fcp_io_channel
;
6561 /* It doesn't make sense to have more io channels then CPUs */
6562 for_each_online_cpu(cpu
) {
6565 if (i
< cfg_fcp_io_channel
) {
6566 lpfc_printf_log(phba
,
6568 "3188 Reducing IO channels to match number of "
6569 "CPUs: from %d to %d\n", cfg_fcp_io_channel
, i
);
6570 cfg_fcp_io_channel
= i
;
6573 if (cfg_fcp_io_channel
>
6574 phba
->sli4_hba
.max_cfg_param
.max_eq
) {
6575 if (phba
->sli4_hba
.max_cfg_param
.max_eq
<
6576 LPFC_FCP_IO_CHAN_MIN
) {
6577 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6578 "2574 Not enough EQs (%d) from the "
6579 "pci function for supporting FCP "
6581 phba
->sli4_hba
.max_cfg_param
.max_eq
,
6582 phba
->cfg_fcp_io_channel
);
6585 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6586 "2575 Reducing IO channels to match number of "
6587 "available EQs: from %d to %d\n",
6589 phba
->sli4_hba
.max_cfg_param
.max_eq
);
6590 cfg_fcp_io_channel
= phba
->sli4_hba
.max_cfg_param
.max_eq
;
6593 /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
6595 /* The actual number of FCP event queues adopted */
6596 phba
->cfg_fcp_eq_count
= cfg_fcp_io_channel
;
6597 phba
->cfg_fcp_wq_count
= cfg_fcp_io_channel
;
6598 phba
->cfg_fcp_io_channel
= cfg_fcp_io_channel
;
6600 /* Get EQ depth from module parameter, fake the default for now */
6601 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
6602 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
6604 /* Get CQ depth from module parameter, fake the default for now */
6605 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
6606 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
6614 * lpfc_sli4_queue_create - Create all the SLI4 queues
6615 * @phba: pointer to lpfc hba data structure.
6617 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
6618 * operation. For each SLI4 queue type, the parameters such as queue entry
6619 * count (queue depth) shall be taken from the module parameter. For now,
6620 * we just use some constant number as place holder.
6624 * -ENOMEM - No availble memory
6625 * -EIO - The mailbox failed to complete successfully.
6628 lpfc_sli4_queue_create(struct lpfc_hba
*phba
)
6630 struct lpfc_queue
*qdesc
;
6634 * Create HBA Record arrays.
6636 if (!phba
->cfg_fcp_io_channel
)
6639 phba
->sli4_hba
.mq_esize
= LPFC_MQE_SIZE
;
6640 phba
->sli4_hba
.mq_ecount
= LPFC_MQE_DEF_COUNT
;
6641 phba
->sli4_hba
.wq_esize
= LPFC_WQE_SIZE
;
6642 phba
->sli4_hba
.wq_ecount
= LPFC_WQE_DEF_COUNT
;
6643 phba
->sli4_hba
.rq_esize
= LPFC_RQE_SIZE
;
6644 phba
->sli4_hba
.rq_ecount
= LPFC_RQE_DEF_COUNT
;
6646 phba
->sli4_hba
.hba_eq
= kzalloc((sizeof(struct lpfc_queue
*) *
6647 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
6648 if (!phba
->sli4_hba
.hba_eq
) {
6649 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6650 "2576 Failed allocate memory for "
6651 "fast-path EQ record array\n");
6655 phba
->sli4_hba
.fcp_cq
= kzalloc((sizeof(struct lpfc_queue
*) *
6656 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
6657 if (!phba
->sli4_hba
.fcp_cq
) {
6658 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6659 "2577 Failed allocate memory for fast-path "
6660 "CQ record array\n");
6664 phba
->sli4_hba
.fcp_wq
= kzalloc((sizeof(struct lpfc_queue
*) *
6665 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
6666 if (!phba
->sli4_hba
.fcp_wq
) {
6667 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6668 "2578 Failed allocate memory for fast-path "
6669 "WQ record array\n");
6674 * Since the first EQ can have multiple CQs associated with it,
6675 * this array is used to quickly see if we have a FCP fast-path
6678 phba
->sli4_hba
.fcp_cq_map
= kzalloc((sizeof(uint16_t) *
6679 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
6680 if (!phba
->sli4_hba
.fcp_cq_map
) {
6681 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6682 "2545 Failed allocate memory for fast-path "
6688 * Create HBA Event Queues (EQs). The cfg_fcp_io_channel specifies
6689 * how many EQs to create.
6691 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
6694 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
6695 phba
->sli4_hba
.eq_ecount
);
6697 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6698 "0497 Failed allocate EQ (%d)\n", idx
);
6701 phba
->sli4_hba
.hba_eq
[idx
] = qdesc
;
6703 /* Create Fast Path FCP CQs */
6704 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6705 phba
->sli4_hba
.cq_ecount
);
6707 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6708 "0499 Failed allocate fast-path FCP "
6712 phba
->sli4_hba
.fcp_cq
[idx
] = qdesc
;
6714 /* Create Fast Path FCP WQs */
6715 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
6716 phba
->sli4_hba
.wq_ecount
);
6718 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6719 "0503 Failed allocate fast-path FCP "
6723 phba
->sli4_hba
.fcp_wq
[idx
] = qdesc
;
6728 * Create Slow Path Completion Queues (CQs)
6731 /* Create slow-path Mailbox Command Complete Queue */
6732 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6733 phba
->sli4_hba
.cq_ecount
);
6735 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6736 "0500 Failed allocate slow-path mailbox CQ\n");
6739 phba
->sli4_hba
.mbx_cq
= qdesc
;
6741 /* Create slow-path ELS Complete Queue */
6742 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6743 phba
->sli4_hba
.cq_ecount
);
6745 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6746 "0501 Failed allocate slow-path ELS CQ\n");
6749 phba
->sli4_hba
.els_cq
= qdesc
;
6753 * Create Slow Path Work Queues (WQs)
6756 /* Create Mailbox Command Queue */
6758 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.mq_esize
,
6759 phba
->sli4_hba
.mq_ecount
);
6761 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6762 "0505 Failed allocate slow-path MQ\n");
6765 phba
->sli4_hba
.mbx_wq
= qdesc
;
6768 * Create ELS Work Queues
6771 /* Create slow-path ELS Work Queue */
6772 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
6773 phba
->sli4_hba
.wq_ecount
);
6775 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6776 "0504 Failed allocate slow-path ELS WQ\n");
6779 phba
->sli4_hba
.els_wq
= qdesc
;
6782 * Create Receive Queue (RQ)
6785 /* Create Receive Queue for header */
6786 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
6787 phba
->sli4_hba
.rq_ecount
);
6789 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6790 "0506 Failed allocate receive HRQ\n");
6793 phba
->sli4_hba
.hdr_rq
= qdesc
;
6795 /* Create Receive Queue for data */
6796 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
6797 phba
->sli4_hba
.rq_ecount
);
6799 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6800 "0507 Failed allocate receive DRQ\n");
6803 phba
->sli4_hba
.dat_rq
= qdesc
;
6808 lpfc_sli4_queue_destroy(phba
);
6813 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
6814 * @phba: pointer to lpfc hba data structure.
6816 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
6821 * -ENOMEM - No available memory
6822 * -EIO - The mailbox failed to complete successfully.
6825 lpfc_sli4_queue_destroy(struct lpfc_hba
*phba
)
6829 if (phba
->sli4_hba
.hba_eq
!= NULL
) {
6830 /* Release HBA event queue */
6831 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
6832 if (phba
->sli4_hba
.hba_eq
[idx
] != NULL
) {
6833 lpfc_sli4_queue_free(
6834 phba
->sli4_hba
.hba_eq
[idx
]);
6835 phba
->sli4_hba
.hba_eq
[idx
] = NULL
;
6838 kfree(phba
->sli4_hba
.hba_eq
);
6839 phba
->sli4_hba
.hba_eq
= NULL
;
6842 if (phba
->sli4_hba
.fcp_cq
!= NULL
) {
6843 /* Release FCP completion queue */
6844 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
6845 if (phba
->sli4_hba
.fcp_cq
[idx
] != NULL
) {
6846 lpfc_sli4_queue_free(
6847 phba
->sli4_hba
.fcp_cq
[idx
]);
6848 phba
->sli4_hba
.fcp_cq
[idx
] = NULL
;
6851 kfree(phba
->sli4_hba
.fcp_cq
);
6852 phba
->sli4_hba
.fcp_cq
= NULL
;
6855 if (phba
->sli4_hba
.fcp_wq
!= NULL
) {
6856 /* Release FCP work queue */
6857 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
6858 if (phba
->sli4_hba
.fcp_wq
[idx
] != NULL
) {
6859 lpfc_sli4_queue_free(
6860 phba
->sli4_hba
.fcp_wq
[idx
]);
6861 phba
->sli4_hba
.fcp_wq
[idx
] = NULL
;
6864 kfree(phba
->sli4_hba
.fcp_wq
);
6865 phba
->sli4_hba
.fcp_wq
= NULL
;
6868 /* Release FCP CQ mapping array */
6869 if (phba
->sli4_hba
.fcp_cq_map
!= NULL
) {
6870 kfree(phba
->sli4_hba
.fcp_cq_map
);
6871 phba
->sli4_hba
.fcp_cq_map
= NULL
;
6874 /* Release mailbox command work queue */
6875 if (phba
->sli4_hba
.mbx_wq
!= NULL
) {
6876 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
6877 phba
->sli4_hba
.mbx_wq
= NULL
;
6880 /* Release ELS work queue */
6881 if (phba
->sli4_hba
.els_wq
!= NULL
) {
6882 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
6883 phba
->sli4_hba
.els_wq
= NULL
;
6886 /* Release unsolicited receive queue */
6887 if (phba
->sli4_hba
.hdr_rq
!= NULL
) {
6888 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
6889 phba
->sli4_hba
.hdr_rq
= NULL
;
6891 if (phba
->sli4_hba
.dat_rq
!= NULL
) {
6892 lpfc_sli4_queue_free(phba
->sli4_hba
.dat_rq
);
6893 phba
->sli4_hba
.dat_rq
= NULL
;
6896 /* Release ELS complete queue */
6897 if (phba
->sli4_hba
.els_cq
!= NULL
) {
6898 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
6899 phba
->sli4_hba
.els_cq
= NULL
;
6902 /* Release mailbox command complete queue */
6903 if (phba
->sli4_hba
.mbx_cq
!= NULL
) {
6904 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
6905 phba
->sli4_hba
.mbx_cq
= NULL
;
6912 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
6913 * @phba: pointer to lpfc hba data structure.
6915 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
6920 * -ENOMEM - No available memory
6921 * -EIO - The mailbox failed to complete successfully.
6924 lpfc_sli4_queue_setup(struct lpfc_hba
*phba
)
6926 struct lpfc_sli
*psli
= &phba
->sli
;
6927 struct lpfc_sli_ring
*pring
;
6929 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
6930 int fcp_cq_index
= 0;
6933 * Set up HBA Event Queues (EQs)
6936 /* Set up HBA event queue */
6937 if (phba
->cfg_fcp_io_channel
&& !phba
->sli4_hba
.hba_eq
) {
6938 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6939 "3147 Fast-path EQs not allocated\n");
6943 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_io_channel
; fcp_eqidx
++) {
6944 if (!phba
->sli4_hba
.hba_eq
[fcp_eqidx
]) {
6945 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6946 "0522 Fast-path EQ (%d) not "
6947 "allocated\n", fcp_eqidx
);
6949 goto out_destroy_hba_eq
;
6951 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.hba_eq
[fcp_eqidx
],
6952 (phba
->cfg_fcp_imax
/ phba
->cfg_fcp_io_channel
));
6954 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6955 "0523 Failed setup of fast-path EQ "
6956 "(%d), rc = 0x%x\n", fcp_eqidx
, rc
);
6957 goto out_destroy_hba_eq
;
6959 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6960 "2584 HBA EQ setup: "
6961 "queue[%d]-id=%d\n", fcp_eqidx
,
6962 phba
->sli4_hba
.hba_eq
[fcp_eqidx
]->queue_id
);
6965 /* Set up fast-path FCP Response Complete Queue */
6966 if (!phba
->sli4_hba
.fcp_cq
) {
6967 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6968 "3148 Fast-path FCP CQ array not "
6971 goto out_destroy_hba_eq
;
6974 for (fcp_cqidx
= 0; fcp_cqidx
< phba
->cfg_fcp_io_channel
; fcp_cqidx
++) {
6975 if (!phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]) {
6976 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6977 "0526 Fast-path FCP CQ (%d) not "
6978 "allocated\n", fcp_cqidx
);
6980 goto out_destroy_fcp_cq
;
6982 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
6983 phba
->sli4_hba
.hba_eq
[fcp_cqidx
], LPFC_WCQ
, LPFC_FCP
);
6985 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6986 "0527 Failed setup of fast-path FCP "
6987 "CQ (%d), rc = 0x%x\n", fcp_cqidx
, rc
);
6988 goto out_destroy_fcp_cq
;
6991 /* Setup fcp_cq_map for fast lookup */
6992 phba
->sli4_hba
.fcp_cq_map
[fcp_cqidx
] =
6993 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
;
6995 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6996 "2588 FCP CQ setup: cq[%d]-id=%d, "
6997 "parent seq[%d]-id=%d\n",
6999 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
,
7001 phba
->sli4_hba
.hba_eq
[fcp_cqidx
]->queue_id
);
7004 /* Set up fast-path FCP Work Queue */
7005 if (!phba
->sli4_hba
.fcp_wq
) {
7006 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7007 "3149 Fast-path FCP WQ array not "
7010 goto out_destroy_fcp_cq
;
7013 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_io_channel
; fcp_wqidx
++) {
7014 if (!phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]) {
7015 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7016 "0534 Fast-path FCP WQ (%d) not "
7017 "allocated\n", fcp_wqidx
);
7019 goto out_destroy_fcp_wq
;
7021 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
],
7022 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
],
7025 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7026 "0535 Failed setup of fast-path FCP "
7027 "WQ (%d), rc = 0x%x\n", fcp_wqidx
, rc
);
7028 goto out_destroy_fcp_wq
;
7031 /* Bind this WQ to the next FCP ring */
7032 pring
= &psli
->ring
[MAX_SLI3_CONFIGURED_RINGS
+ fcp_wqidx
];
7033 pring
->sli
.sli4
.wqp
= (void *)phba
->sli4_hba
.fcp_wq
[fcp_wqidx
];
7034 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
]->pring
= pring
;
7036 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7037 "2591 FCP WQ setup: wq[%d]-id=%d, "
7038 "parent cq[%d]-id=%d\n",
7040 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]->queue_id
,
7042 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
]->queue_id
);
7045 * Set up Complete Queues (CQs)
7048 /* Set up slow-path MBOX Complete Queue as the first CQ */
7049 if (!phba
->sli4_hba
.mbx_cq
) {
7050 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7051 "0528 Mailbox CQ not allocated\n");
7053 goto out_destroy_fcp_wq
;
7055 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.mbx_cq
,
7056 phba
->sli4_hba
.hba_eq
[0], LPFC_MCQ
, LPFC_MBOX
);
7058 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7059 "0529 Failed setup of slow-path mailbox CQ: "
7061 goto out_destroy_fcp_wq
;
7063 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7064 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
7065 phba
->sli4_hba
.mbx_cq
->queue_id
,
7066 phba
->sli4_hba
.hba_eq
[0]->queue_id
);
7068 /* Set up slow-path ELS Complete Queue */
7069 if (!phba
->sli4_hba
.els_cq
) {
7070 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7071 "0530 ELS CQ not allocated\n");
7073 goto out_destroy_mbx_cq
;
7075 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.els_cq
,
7076 phba
->sli4_hba
.hba_eq
[0], LPFC_WCQ
, LPFC_ELS
);
7078 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7079 "0531 Failed setup of slow-path ELS CQ: "
7081 goto out_destroy_mbx_cq
;
7083 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7084 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
7085 phba
->sli4_hba
.els_cq
->queue_id
,
7086 phba
->sli4_hba
.hba_eq
[0]->queue_id
);
7089 * Set up all the Work Queues (WQs)
7092 /* Set up Mailbox Command Queue */
7093 if (!phba
->sli4_hba
.mbx_wq
) {
7094 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7095 "0538 Slow-path MQ not allocated\n");
7097 goto out_destroy_els_cq
;
7099 rc
= lpfc_mq_create(phba
, phba
->sli4_hba
.mbx_wq
,
7100 phba
->sli4_hba
.mbx_cq
, LPFC_MBOX
);
7102 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7103 "0539 Failed setup of slow-path MQ: "
7105 goto out_destroy_els_cq
;
7107 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7108 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
7109 phba
->sli4_hba
.mbx_wq
->queue_id
,
7110 phba
->sli4_hba
.mbx_cq
->queue_id
);
7112 /* Set up slow-path ELS Work Queue */
7113 if (!phba
->sli4_hba
.els_wq
) {
7114 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7115 "0536 Slow-path ELS WQ not allocated\n");
7117 goto out_destroy_mbx_wq
;
7119 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.els_wq
,
7120 phba
->sli4_hba
.els_cq
, LPFC_ELS
);
7122 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7123 "0537 Failed setup of slow-path ELS WQ: "
7125 goto out_destroy_mbx_wq
;
7128 /* Bind this WQ to the ELS ring */
7129 pring
= &psli
->ring
[LPFC_ELS_RING
];
7130 pring
->sli
.sli4
.wqp
= (void *)phba
->sli4_hba
.els_wq
;
7131 phba
->sli4_hba
.els_cq
->pring
= pring
;
7133 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7134 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
7135 phba
->sli4_hba
.els_wq
->queue_id
,
7136 phba
->sli4_hba
.els_cq
->queue_id
);
7139 * Create Receive Queue (RQ)
7141 if (!phba
->sli4_hba
.hdr_rq
|| !phba
->sli4_hba
.dat_rq
) {
7142 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7143 "0540 Receive Queue not allocated\n");
7145 goto out_destroy_els_wq
;
7148 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.hdr_rq
, LPFC_ELS_HBQ
);
7149 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.dat_rq
, LPFC_ELS_HBQ
);
7151 rc
= lpfc_rq_create(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
7152 phba
->sli4_hba
.els_cq
, LPFC_USOL
);
7154 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7155 "0541 Failed setup of Receive Queue: "
7157 goto out_destroy_fcp_wq
;
7160 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7161 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
7162 "parent cq-id=%d\n",
7163 phba
->sli4_hba
.hdr_rq
->queue_id
,
7164 phba
->sli4_hba
.dat_rq
->queue_id
,
7165 phba
->sli4_hba
.els_cq
->queue_id
);
7169 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
7171 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
7173 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
7175 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
7177 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--)
7178 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
7180 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--)
7181 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
7183 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--)
7184 lpfc_eq_destroy(phba
, phba
->sli4_hba
.hba_eq
[fcp_eqidx
]);
7190 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
7191 * @phba: pointer to lpfc hba data structure.
7193 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
7198 * -ENOMEM - No available memory
7199 * -EIO - The mailbox failed to complete successfully.
7202 lpfc_sli4_queue_unset(struct lpfc_hba
*phba
)
7206 /* Unset mailbox command work queue */
7207 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
7208 /* Unset ELS work queue */
7209 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
7210 /* Unset unsolicited receive queue */
7211 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
);
7212 /* Unset FCP work queue */
7213 if (phba
->sli4_hba
.fcp_wq
) {
7214 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7216 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
7218 /* Unset mailbox command complete queue */
7219 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
7220 /* Unset ELS complete queue */
7221 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
7222 /* Unset FCP response complete queue */
7223 if (phba
->sli4_hba
.fcp_cq
) {
7224 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7226 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
7228 /* Unset fast-path event queue */
7229 if (phba
->sli4_hba
.hba_eq
) {
7230 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7232 lpfc_eq_destroy(phba
, phba
->sli4_hba
.hba_eq
[fcp_qidx
]);
7237 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
7238 * @phba: pointer to lpfc hba data structure.
7240 * This routine is invoked to allocate and set up a pool of completion queue
7241 * events. The body of the completion queue event is a completion queue entry
7242 * CQE. For now, this pool is used for the interrupt service routine to queue
7243 * the following HBA completion queue events for the worker thread to process:
7244 * - Mailbox asynchronous events
7245 * - Receive queue completion unsolicited events
7246 * Later, this can be used for all the slow-path events.
7250 * -ENOMEM - No available memory
7253 lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*phba
)
7255 struct lpfc_cq_event
*cq_event
;
7258 for (i
= 0; i
< (4 * phba
->sli4_hba
.cq_ecount
); i
++) {
7259 cq_event
= kmalloc(sizeof(struct lpfc_cq_event
), GFP_KERNEL
);
7261 goto out_pool_create_fail
;
7262 list_add_tail(&cq_event
->list
,
7263 &phba
->sli4_hba
.sp_cqe_event_pool
);
7267 out_pool_create_fail
:
7268 lpfc_sli4_cq_event_pool_destroy(phba
);
7273 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
7274 * @phba: pointer to lpfc hba data structure.
7276 * This routine is invoked to free the pool of completion queue events at
7277 * driver unload time. Note that, it is the responsibility of the driver
7278 * cleanup routine to free all the outstanding completion-queue events
7279 * allocated from this pool back into the pool before invoking this routine
7280 * to destroy the pool.
7283 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*phba
)
7285 struct lpfc_cq_event
*cq_event
, *next_cq_event
;
7287 list_for_each_entry_safe(cq_event
, next_cq_event
,
7288 &phba
->sli4_hba
.sp_cqe_event_pool
, list
) {
7289 list_del(&cq_event
->list
);
7295 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7296 * @phba: pointer to lpfc hba data structure.
7298 * This routine is the lock free version of the API invoked to allocate a
7299 * completion-queue event from the free pool.
7301 * Return: Pointer to the newly allocated completion-queue event if successful
7304 struct lpfc_cq_event
*
7305 __lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
7307 struct lpfc_cq_event
*cq_event
= NULL
;
7309 list_remove_head(&phba
->sli4_hba
.sp_cqe_event_pool
, cq_event
,
7310 struct lpfc_cq_event
, list
);
7315 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7316 * @phba: pointer to lpfc hba data structure.
7318 * This routine is the lock version of the API invoked to allocate a
7319 * completion-queue event from the free pool.
7321 * Return: Pointer to the newly allocated completion-queue event if successful
7324 struct lpfc_cq_event
*
7325 lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
7327 struct lpfc_cq_event
*cq_event
;
7328 unsigned long iflags
;
7330 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7331 cq_event
= __lpfc_sli4_cq_event_alloc(phba
);
7332 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7337 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7338 * @phba: pointer to lpfc hba data structure.
7339 * @cq_event: pointer to the completion queue event to be freed.
7341 * This routine is the lock free version of the API invoked to release a
7342 * completion-queue event back into the free pool.
7345 __lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
7346 struct lpfc_cq_event
*cq_event
)
7348 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_cqe_event_pool
);
7352 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7353 * @phba: pointer to lpfc hba data structure.
7354 * @cq_event: pointer to the completion queue event to be freed.
7356 * This routine is the lock version of the API invoked to release a
7357 * completion-queue event back into the free pool.
7360 lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
7361 struct lpfc_cq_event
*cq_event
)
7363 unsigned long iflags
;
7364 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7365 __lpfc_sli4_cq_event_release(phba
, cq_event
);
7366 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7370 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
7371 * @phba: pointer to lpfc hba data structure.
7373 * This routine is to free all the pending completion-queue events to the
7374 * back into the free pool for device reset.
7377 lpfc_sli4_cq_event_release_all(struct lpfc_hba
*phba
)
7380 struct lpfc_cq_event
*cqe
;
7381 unsigned long iflags
;
7383 /* Retrieve all the pending WCQEs from pending WCQE lists */
7384 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7385 /* Pending FCP XRI abort events */
7386 list_splice_init(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
7388 /* Pending ELS XRI abort events */
7389 list_splice_init(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
7391 /* Pending asynnc events */
7392 list_splice_init(&phba
->sli4_hba
.sp_asynce_work_queue
,
7394 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7396 while (!list_empty(&cqelist
)) {
7397 list_remove_head(&cqelist
, cqe
, struct lpfc_cq_event
, list
);
7398 lpfc_sli4_cq_event_release(phba
, cqe
);
7403 * lpfc_pci_function_reset - Reset pci function.
7404 * @phba: pointer to lpfc hba data structure.
7406 * This routine is invoked to request a PCI function reset. It will destroys
7407 * all resources assigned to the PCI function which originates this request.
7411 * -ENOMEM - No available memory
7412 * -EIO - The mailbox failed to complete successfully.
7415 lpfc_pci_function_reset(struct lpfc_hba
*phba
)
7417 LPFC_MBOXQ_t
*mboxq
;
7418 uint32_t rc
= 0, if_type
;
7419 uint32_t shdr_status
, shdr_add_status
;
7420 uint32_t rdy_chk
, num_resets
= 0, reset_again
= 0;
7421 union lpfc_sli4_cfg_shdr
*shdr
;
7422 struct lpfc_register reg_data
;
7425 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7427 case LPFC_SLI_INTF_IF_TYPE_0
:
7428 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
7431 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7432 "0494 Unable to allocate memory for "
7433 "issuing SLI_FUNCTION_RESET mailbox "
7438 /* Setup PCI function reset mailbox-ioctl command */
7439 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7440 LPFC_MBOX_OPCODE_FUNCTION_RESET
, 0,
7441 LPFC_SLI4_MBX_EMBED
);
7442 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7443 shdr
= (union lpfc_sli4_cfg_shdr
*)
7444 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7445 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7446 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
7448 if (rc
!= MBX_TIMEOUT
)
7449 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7450 if (shdr_status
|| shdr_add_status
|| rc
) {
7451 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7452 "0495 SLI_FUNCTION_RESET mailbox "
7453 "failed with status x%x add_status x%x,"
7454 " mbx status x%x\n",
7455 shdr_status
, shdr_add_status
, rc
);
7459 case LPFC_SLI_INTF_IF_TYPE_2
:
7460 for (num_resets
= 0;
7461 num_resets
< MAX_IF_TYPE_2_RESETS
;
7464 bf_set(lpfc_sliport_ctrl_end
, ®_data
,
7465 LPFC_SLIPORT_LITTLE_ENDIAN
);
7466 bf_set(lpfc_sliport_ctrl_ip
, ®_data
,
7467 LPFC_SLIPORT_INIT_PORT
);
7468 writel(reg_data
.word0
, phba
->sli4_hba
.u
.if_type2
.
7471 pci_read_config_word(phba
->pcidev
,
7472 PCI_DEVICE_ID
, &devid
);
7474 * Poll the Port Status Register and wait for RDY for
7475 * up to 10 seconds. If the port doesn't respond, treat
7476 * it as an error. If the port responds with RN, start
7479 for (rdy_chk
= 0; rdy_chk
< 1000; rdy_chk
++) {
7481 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.
7482 STATUSregaddr
, ®_data
.word0
)) {
7486 if (bf_get(lpfc_sliport_status_rn
, ®_data
))
7488 if (bf_get(lpfc_sliport_status_rdy
, ®_data
))
7493 * If the port responds to the init request with
7494 * reset needed, delay for a bit and restart the loop.
7496 if (reset_again
&& (rdy_chk
< 1000)) {
7502 /* Detect any port errors. */
7503 if ((bf_get(lpfc_sliport_status_err
, ®_data
)) ||
7504 (rdy_chk
>= 1000)) {
7505 phba
->work_status
[0] = readl(
7506 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
7507 phba
->work_status
[1] = readl(
7508 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
7509 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7510 "2890 Port error detected during port "
7511 "reset(%d): wait_tmo:%d ms, "
7512 "port status reg 0x%x, "
7513 "error 1=0x%x, error 2=0x%x\n",
7514 num_resets
, rdy_chk
*10,
7516 phba
->work_status
[0],
7517 phba
->work_status
[1]);
7522 * Terminate the outer loop provided the Port indicated
7523 * ready within 10 seconds.
7528 /* delay driver action following IF_TYPE_2 function reset */
7531 case LPFC_SLI_INTF_IF_TYPE_1
:
7537 /* Catch the not-ready port failure after a port reset. */
7538 if (num_resets
>= MAX_IF_TYPE_2_RESETS
)
7545 * lpfc_sli4_send_nop_mbox_cmds - Send sli-4 nop mailbox commands
7546 * @phba: pointer to lpfc hba data structure.
7547 * @cnt: number of nop mailbox commands to send.
7549 * This routine is invoked to send a number @cnt of NOP mailbox command and
7550 * wait for each command to complete.
7552 * Return: the number of NOP mailbox command completed.
7555 lpfc_sli4_send_nop_mbox_cmds(struct lpfc_hba
*phba
, uint32_t cnt
)
7557 LPFC_MBOXQ_t
*mboxq
;
7558 int length
, cmdsent
;
7561 uint32_t shdr_status
, shdr_add_status
;
7562 union lpfc_sli4_cfg_shdr
*shdr
;
7565 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7566 "2518 Requested to send 0 NOP mailbox cmd\n");
7570 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7572 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7573 "2519 Unable to allocate memory for issuing "
7574 "NOP mailbox command\n");
7578 /* Set up NOP SLI4_CONFIG mailbox-ioctl command */
7579 length
= (sizeof(struct lpfc_mbx_nop
) -
7580 sizeof(struct lpfc_sli4_cfg_mhdr
));
7582 for (cmdsent
= 0; cmdsent
< cnt
; cmdsent
++) {
7583 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7584 LPFC_MBOX_OPCODE_NOP
, length
,
7585 LPFC_SLI4_MBX_EMBED
);
7586 if (!phba
->sli4_hba
.intr_enable
)
7587 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7589 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
7590 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
7592 if (rc
== MBX_TIMEOUT
)
7594 /* Check return status */
7595 shdr
= (union lpfc_sli4_cfg_shdr
*)
7596 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7597 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7598 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
7600 if (shdr_status
|| shdr_add_status
|| rc
) {
7601 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7602 "2520 NOP mailbox command failed "
7603 "status x%x add_status x%x mbx "
7604 "status x%x\n", shdr_status
,
7605 shdr_add_status
, rc
);
7610 if (rc
!= MBX_TIMEOUT
)
7611 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7617 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
7618 * @phba: pointer to lpfc hba data structure.
7620 * This routine is invoked to set up the PCI device memory space for device
7621 * with SLI-4 interface spec.
7625 * other values - error
7628 lpfc_sli4_pci_mem_setup(struct lpfc_hba
*phba
)
7630 struct pci_dev
*pdev
;
7631 unsigned long bar0map_len
, bar1map_len
, bar2map_len
;
7632 int error
= -ENODEV
;
7635 /* Obtain PCI device reference */
7639 pdev
= phba
->pcidev
;
7641 /* Set the device DMA mask size */
7642 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
7643 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
7644 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
7645 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
7651 * The BARs and register set definitions and offset locations are
7652 * dependent on the if_type.
7654 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
,
7655 &phba
->sli4_hba
.sli_intf
.word0
)) {
7659 /* There is no SLI3 failback for SLI4 devices. */
7660 if (bf_get(lpfc_sli_intf_valid
, &phba
->sli4_hba
.sli_intf
) !=
7661 LPFC_SLI_INTF_VALID
) {
7662 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7663 "2894 SLI_INTF reg contents invalid "
7664 "sli_intf reg 0x%x\n",
7665 phba
->sli4_hba
.sli_intf
.word0
);
7669 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7671 * Get the bus address of SLI4 device Bar regions and the
7672 * number of bytes required by each mapping. The mapping of the
7673 * particular PCI BARs regions is dependent on the type of
7676 if (pci_resource_start(pdev
, 0)) {
7677 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
7678 bar0map_len
= pci_resource_len(pdev
, 0);
7681 * Map SLI4 PCI Config Space Register base to a kernel virtual
7684 phba
->sli4_hba
.conf_regs_memmap_p
=
7685 ioremap(phba
->pci_bar0_map
, bar0map_len
);
7686 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
7687 dev_printk(KERN_ERR
, &pdev
->dev
,
7688 "ioremap failed for SLI4 PCI config "
7692 /* Set up BAR0 PCI config space register memory map */
7693 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
7695 phba
->pci_bar0_map
= pci_resource_start(pdev
, 1);
7696 bar0map_len
= pci_resource_len(pdev
, 1);
7697 if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
7698 dev_printk(KERN_ERR
, &pdev
->dev
,
7699 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
7702 phba
->sli4_hba
.conf_regs_memmap_p
=
7703 ioremap(phba
->pci_bar0_map
, bar0map_len
);
7704 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
7705 dev_printk(KERN_ERR
, &pdev
->dev
,
7706 "ioremap failed for SLI4 PCI config "
7710 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
7713 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
7714 (pci_resource_start(pdev
, 2))) {
7716 * Map SLI4 if type 0 HBA Control Register base to a kernel
7717 * virtual address and setup the registers.
7719 phba
->pci_bar1_map
= pci_resource_start(pdev
, 2);
7720 bar1map_len
= pci_resource_len(pdev
, 2);
7721 phba
->sli4_hba
.ctrl_regs_memmap_p
=
7722 ioremap(phba
->pci_bar1_map
, bar1map_len
);
7723 if (!phba
->sli4_hba
.ctrl_regs_memmap_p
) {
7724 dev_printk(KERN_ERR
, &pdev
->dev
,
7725 "ioremap failed for SLI4 HBA control registers.\n");
7726 goto out_iounmap_conf
;
7728 lpfc_sli4_bar1_register_memmap(phba
);
7731 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
7732 (pci_resource_start(pdev
, 4))) {
7734 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
7735 * virtual address and setup the registers.
7737 phba
->pci_bar2_map
= pci_resource_start(pdev
, 4);
7738 bar2map_len
= pci_resource_len(pdev
, 4);
7739 phba
->sli4_hba
.drbl_regs_memmap_p
=
7740 ioremap(phba
->pci_bar2_map
, bar2map_len
);
7741 if (!phba
->sli4_hba
.drbl_regs_memmap_p
) {
7742 dev_printk(KERN_ERR
, &pdev
->dev
,
7743 "ioremap failed for SLI4 HBA doorbell registers.\n");
7744 goto out_iounmap_ctrl
;
7746 error
= lpfc_sli4_bar2_register_memmap(phba
, LPFC_VF0
);
7748 goto out_iounmap_all
;
7754 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
7756 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
7758 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
7764 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
7765 * @phba: pointer to lpfc hba data structure.
7767 * This routine is invoked to unset the PCI device memory space for device
7768 * with SLI-4 interface spec.
7771 lpfc_sli4_pci_mem_unset(struct lpfc_hba
*phba
)
7774 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7777 case LPFC_SLI_INTF_IF_TYPE_0
:
7778 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
7779 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
7780 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
7782 case LPFC_SLI_INTF_IF_TYPE_2
:
7783 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
7785 case LPFC_SLI_INTF_IF_TYPE_1
:
7787 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
7788 "FATAL - unsupported SLI4 interface type - %d\n",
7795 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
7796 * @phba: pointer to lpfc hba data structure.
7798 * This routine is invoked to enable the MSI-X interrupt vectors to device
7799 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
7800 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
7801 * invoked, enables either all or nothing, depending on the current
7802 * availability of PCI vector resources. The device driver is responsible
7803 * for calling the individual request_irq() to register each MSI-X vector
7804 * with a interrupt handler, which is done in this function. Note that
7805 * later when device is unloading, the driver should always call free_irq()
7806 * on all MSI-X vectors it has done request_irq() on before calling
7807 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
7808 * will be left with MSI-X enabled and leaks its vectors.
7812 * other values - error
7815 lpfc_sli_enable_msix(struct lpfc_hba
*phba
)
7820 /* Set up MSI-X multi-message vectors */
7821 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
7822 phba
->msix_entries
[i
].entry
= i
;
7824 /* Configure MSI-X capability structure */
7825 rc
= pci_enable_msix(phba
->pcidev
, phba
->msix_entries
,
7826 ARRAY_SIZE(phba
->msix_entries
));
7828 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7829 "0420 PCI enable MSI-X failed (%d)\n", rc
);
7832 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
7833 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7834 "0477 MSI-X entry[%d]: vector=x%x "
7836 phba
->msix_entries
[i
].vector
,
7837 phba
->msix_entries
[i
].entry
);
7839 * Assign MSI-X vectors to interrupt handlers
7842 /* vector-0 is associated to slow-path handler */
7843 rc
= request_irq(phba
->msix_entries
[0].vector
,
7844 &lpfc_sli_sp_intr_handler
, IRQF_SHARED
,
7845 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
7847 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7848 "0421 MSI-X slow-path request_irq failed "
7853 /* vector-1 is associated to fast-path handler */
7854 rc
= request_irq(phba
->msix_entries
[1].vector
,
7855 &lpfc_sli_fp_intr_handler
, IRQF_SHARED
,
7856 LPFC_FP_DRIVER_HANDLER_NAME
, phba
);
7859 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7860 "0429 MSI-X fast-path request_irq failed "
7866 * Configure HBA MSI-X attention conditions to messages
7868 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7872 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7873 "0474 Unable to allocate memory for issuing "
7874 "MBOX_CONFIG_MSI command\n");
7877 rc
= lpfc_config_msi(phba
, pmb
);
7880 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
7881 if (rc
!= MBX_SUCCESS
) {
7882 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
7883 "0351 Config MSI mailbox command failed, "
7884 "mbxCmd x%x, mbxStatus x%x\n",
7885 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
);
7889 /* Free memory allocated for mailbox command */
7890 mempool_free(pmb
, phba
->mbox_mem_pool
);
7894 /* Free memory allocated for mailbox command */
7895 mempool_free(pmb
, phba
->mbox_mem_pool
);
7898 /* free the irq already requested */
7899 free_irq(phba
->msix_entries
[1].vector
, phba
);
7902 /* free the irq already requested */
7903 free_irq(phba
->msix_entries
[0].vector
, phba
);
7906 /* Unconfigure MSI-X capability structure */
7907 pci_disable_msix(phba
->pcidev
);
7912 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
7913 * @phba: pointer to lpfc hba data structure.
7915 * This routine is invoked to release the MSI-X vectors and then disable the
7916 * MSI-X interrupt mode to device with SLI-3 interface spec.
7919 lpfc_sli_disable_msix(struct lpfc_hba
*phba
)
7923 /* Free up MSI-X multi-message vectors */
7924 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
7925 free_irq(phba
->msix_entries
[i
].vector
, phba
);
7927 pci_disable_msix(phba
->pcidev
);
7933 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
7934 * @phba: pointer to lpfc hba data structure.
7936 * This routine is invoked to enable the MSI interrupt mode to device with
7937 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
7938 * enable the MSI vector. The device driver is responsible for calling the
7939 * request_irq() to register MSI vector with a interrupt the handler, which
7940 * is done in this function.
7944 * other values - error
7947 lpfc_sli_enable_msi(struct lpfc_hba
*phba
)
7951 rc
= pci_enable_msi(phba
->pcidev
);
7953 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7954 "0462 PCI enable MSI mode success.\n");
7956 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7957 "0471 PCI enable MSI mode failed (%d)\n", rc
);
7961 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
7962 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
7964 pci_disable_msi(phba
->pcidev
);
7965 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7966 "0478 MSI request_irq failed (%d)\n", rc
);
7972 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
7973 * @phba: pointer to lpfc hba data structure.
7975 * This routine is invoked to disable the MSI interrupt mode to device with
7976 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
7977 * done request_irq() on before calling pci_disable_msi(). Failure to do so
7978 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
7982 lpfc_sli_disable_msi(struct lpfc_hba
*phba
)
7984 free_irq(phba
->pcidev
->irq
, phba
);
7985 pci_disable_msi(phba
->pcidev
);
7990 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
7991 * @phba: pointer to lpfc hba data structure.
7993 * This routine is invoked to enable device interrupt and associate driver's
7994 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
7995 * spec. Depends on the interrupt mode configured to the driver, the driver
7996 * will try to fallback from the configured interrupt mode to an interrupt
7997 * mode which is supported by the platform, kernel, and device in the order
7999 * MSI-X -> MSI -> IRQ.
8003 * other values - error
8006 lpfc_sli_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
8008 uint32_t intr_mode
= LPFC_INTR_ERROR
;
8011 if (cfg_mode
== 2) {
8012 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
8013 retval
= lpfc_sli_config_port(phba
, LPFC_SLI_REV3
);
8015 /* Now, try to enable MSI-X interrupt mode */
8016 retval
= lpfc_sli_enable_msix(phba
);
8018 /* Indicate initialization to MSI-X mode */
8019 phba
->intr_type
= MSIX
;
8025 /* Fallback to MSI if MSI-X initialization failed */
8026 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
8027 retval
= lpfc_sli_enable_msi(phba
);
8029 /* Indicate initialization to MSI mode */
8030 phba
->intr_type
= MSI
;
8035 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8036 if (phba
->intr_type
== NONE
) {
8037 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
8038 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8040 /* Indicate initialization to INTx mode */
8041 phba
->intr_type
= INTx
;
8049 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
8050 * @phba: pointer to lpfc hba data structure.
8052 * This routine is invoked to disable device interrupt and disassociate the
8053 * driver's interrupt handler(s) from interrupt vector(s) to device with
8054 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
8055 * release the interrupt vector(s) for the message signaled interrupt.
8058 lpfc_sli_disable_intr(struct lpfc_hba
*phba
)
8060 /* Disable the currently initialized interrupt mode */
8061 if (phba
->intr_type
== MSIX
)
8062 lpfc_sli_disable_msix(phba
);
8063 else if (phba
->intr_type
== MSI
)
8064 lpfc_sli_disable_msi(phba
);
8065 else if (phba
->intr_type
== INTx
)
8066 free_irq(phba
->pcidev
->irq
, phba
);
8068 /* Reset interrupt management states */
8069 phba
->intr_type
= NONE
;
8070 phba
->sli
.slistat
.sli_intr
= 0;
8076 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
8077 * @phba: pointer to lpfc hba data structure.
8079 * This routine is invoked to enable the MSI-X interrupt vectors to device
8080 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
8081 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
8082 * enables either all or nothing, depending on the current availability of
8083 * PCI vector resources. The device driver is responsible for calling the
8084 * individual request_irq() to register each MSI-X vector with a interrupt
8085 * handler, which is done in this function. Note that later when device is
8086 * unloading, the driver should always call free_irq() on all MSI-X vectors
8087 * it has done request_irq() on before calling pci_disable_msix(). Failure
8088 * to do so results in a BUG_ON() and a device will be left with MSI-X
8089 * enabled and leaks its vectors.
8093 * other values - error
8096 lpfc_sli4_enable_msix(struct lpfc_hba
*phba
)
8098 int vectors
, rc
, index
;
8100 /* Set up MSI-X multi-message vectors */
8101 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++)
8102 phba
->sli4_hba
.msix_entries
[index
].entry
= index
;
8104 /* Configure MSI-X capability structure */
8105 vectors
= phba
->cfg_fcp_io_channel
;
8106 enable_msix_vectors
:
8107 rc
= pci_enable_msix(phba
->pcidev
, phba
->sli4_hba
.msix_entries
,
8111 goto enable_msix_vectors
;
8113 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8114 "0484 PCI enable MSI-X failed (%d)\n", rc
);
8118 /* Log MSI-X vector assignment */
8119 for (index
= 0; index
< vectors
; index
++)
8120 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8121 "0489 MSI-X entry[%d]: vector=x%x "
8122 "message=%d\n", index
,
8123 phba
->sli4_hba
.msix_entries
[index
].vector
,
8124 phba
->sli4_hba
.msix_entries
[index
].entry
);
8127 * Assign MSI-X vectors to interrupt handlers
8129 for (index
= 0; index
< vectors
; index
++) {
8130 memset(&phba
->sli4_hba
.handler_name
[index
], 0, 16);
8131 sprintf((char *)&phba
->sli4_hba
.handler_name
[index
],
8132 LPFC_DRIVER_HANDLER_NAME
"%d", index
);
8134 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8135 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8136 atomic_set(&phba
->sli4_hba
.fcp_eq_hdl
[index
].fcp_eq_in_use
, 1);
8137 rc
= request_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
8138 &lpfc_sli4_hba_intr_handler
, IRQF_SHARED
,
8139 (char *)&phba
->sli4_hba
.handler_name
[index
],
8140 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8142 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8143 "0486 MSI-X fast-path (%d) "
8144 "request_irq failed (%d)\n", index
, rc
);
8149 if (vectors
!= phba
->cfg_fcp_io_channel
) {
8150 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8151 "3238 Reducing IO channels to match number of "
8152 "MSI-X vectors, requested %d got %d\n",
8153 phba
->cfg_fcp_io_channel
, vectors
);
8154 phba
->cfg_fcp_io_channel
= vectors
;
8159 /* free the irq already requested */
8160 for (--index
; index
>= 0; index
--)
8161 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
8162 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8165 /* Unconfigure MSI-X capability structure */
8166 pci_disable_msix(phba
->pcidev
);
8171 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
8172 * @phba: pointer to lpfc hba data structure.
8174 * This routine is invoked to release the MSI-X vectors and then disable the
8175 * MSI-X interrupt mode to device with SLI-4 interface spec.
8178 lpfc_sli4_disable_msix(struct lpfc_hba
*phba
)
8182 /* Free up MSI-X multi-message vectors */
8183 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++)
8184 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
8185 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8188 pci_disable_msix(phba
->pcidev
);
8194 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
8195 * @phba: pointer to lpfc hba data structure.
8197 * This routine is invoked to enable the MSI interrupt mode to device with
8198 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
8199 * to enable the MSI vector. The device driver is responsible for calling
8200 * the request_irq() to register MSI vector with a interrupt the handler,
8201 * which is done in this function.
8205 * other values - error
8208 lpfc_sli4_enable_msi(struct lpfc_hba
*phba
)
8212 rc
= pci_enable_msi(phba
->pcidev
);
8214 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8215 "0487 PCI enable MSI mode success.\n");
8217 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8218 "0488 PCI enable MSI mode failed (%d)\n", rc
);
8222 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
8223 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8225 pci_disable_msi(phba
->pcidev
);
8226 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8227 "0490 MSI request_irq failed (%d)\n", rc
);
8231 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++) {
8232 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8233 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8240 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
8241 * @phba: pointer to lpfc hba data structure.
8243 * This routine is invoked to disable the MSI interrupt mode to device with
8244 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
8245 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8246 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8250 lpfc_sli4_disable_msi(struct lpfc_hba
*phba
)
8252 free_irq(phba
->pcidev
->irq
, phba
);
8253 pci_disable_msi(phba
->pcidev
);
8258 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
8259 * @phba: pointer to lpfc hba data structure.
8261 * This routine is invoked to enable device interrupt and associate driver's
8262 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
8263 * interface spec. Depends on the interrupt mode configured to the driver,
8264 * the driver will try to fallback from the configured interrupt mode to an
8265 * interrupt mode which is supported by the platform, kernel, and device in
8267 * MSI-X -> MSI -> IRQ.
8271 * other values - error
8274 lpfc_sli4_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
8276 uint32_t intr_mode
= LPFC_INTR_ERROR
;
8279 if (cfg_mode
== 2) {
8280 /* Preparation before conf_msi mbox cmd */
8283 /* Now, try to enable MSI-X interrupt mode */
8284 retval
= lpfc_sli4_enable_msix(phba
);
8286 /* Indicate initialization to MSI-X mode */
8287 phba
->intr_type
= MSIX
;
8293 /* Fallback to MSI if MSI-X initialization failed */
8294 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
8295 retval
= lpfc_sli4_enable_msi(phba
);
8297 /* Indicate initialization to MSI mode */
8298 phba
->intr_type
= MSI
;
8303 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8304 if (phba
->intr_type
== NONE
) {
8305 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
8306 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8308 /* Indicate initialization to INTx mode */
8309 phba
->intr_type
= INTx
;
8311 for (index
= 0; index
< phba
->cfg_fcp_io_channel
;
8313 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8314 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8315 atomic_set(&phba
->sli4_hba
.fcp_eq_hdl
[index
].
8324 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
8325 * @phba: pointer to lpfc hba data structure.
8327 * This routine is invoked to disable device interrupt and disassociate
8328 * the driver's interrupt handler(s) from interrupt vector(s) to device
8329 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
8330 * will release the interrupt vector(s) for the message signaled interrupt.
8333 lpfc_sli4_disable_intr(struct lpfc_hba
*phba
)
8335 /* Disable the currently initialized interrupt mode */
8336 if (phba
->intr_type
== MSIX
)
8337 lpfc_sli4_disable_msix(phba
);
8338 else if (phba
->intr_type
== MSI
)
8339 lpfc_sli4_disable_msi(phba
);
8340 else if (phba
->intr_type
== INTx
)
8341 free_irq(phba
->pcidev
->irq
, phba
);
8343 /* Reset interrupt management states */
8344 phba
->intr_type
= NONE
;
8345 phba
->sli
.slistat
.sli_intr
= 0;
8351 * lpfc_unset_hba - Unset SLI3 hba device initialization
8352 * @phba: pointer to lpfc hba data structure.
8354 * This routine is invoked to unset the HBA device initialization steps to
8355 * a device with SLI-3 interface spec.
8358 lpfc_unset_hba(struct lpfc_hba
*phba
)
8360 struct lpfc_vport
*vport
= phba
->pport
;
8361 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
8363 spin_lock_irq(shost
->host_lock
);
8364 vport
->load_flag
|= FC_UNLOADING
;
8365 spin_unlock_irq(shost
->host_lock
);
8367 kfree(phba
->vpi_bmask
);
8368 kfree(phba
->vpi_ids
);
8370 lpfc_stop_hba_timers(phba
);
8372 phba
->pport
->work_port_events
= 0;
8374 lpfc_sli_hba_down(phba
);
8376 lpfc_sli_brdrestart(phba
);
8378 lpfc_sli_disable_intr(phba
);
8384 * lpfc_sli4_unset_hba - Unset SLI4 hba device initialization.
8385 * @phba: pointer to lpfc hba data structure.
8387 * This routine is invoked to unset the HBA device initialization steps to
8388 * a device with SLI-4 interface spec.
8391 lpfc_sli4_unset_hba(struct lpfc_hba
*phba
)
8393 struct lpfc_vport
*vport
= phba
->pport
;
8394 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
8396 spin_lock_irq(shost
->host_lock
);
8397 vport
->load_flag
|= FC_UNLOADING
;
8398 spin_unlock_irq(shost
->host_lock
);
8400 phba
->pport
->work_port_events
= 0;
8402 /* Stop the SLI4 device port */
8403 lpfc_stop_port(phba
);
8405 lpfc_sli4_disable_intr(phba
);
8407 /* Reset SLI4 HBA FCoE function */
8408 lpfc_pci_function_reset(phba
);
8409 lpfc_sli4_queue_destroy(phba
);
8415 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
8416 * @phba: Pointer to HBA context object.
8418 * This function is called in the SLI4 code path to wait for completion
8419 * of device's XRIs exchange busy. It will check the XRI exchange busy
8420 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
8421 * that, it will check the XRI exchange busy on outstanding FCP and ELS
8422 * I/Os every 30 seconds, log error message, and wait forever. Only when
8423 * all XRI exchange busy complete, the driver unload shall proceed with
8424 * invoking the function reset ioctl mailbox command to the CNA and the
8425 * the rest of the driver unload resource release.
8428 lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba
*phba
)
8431 int fcp_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
8432 int els_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
8434 while (!fcp_xri_cmpl
|| !els_xri_cmpl
) {
8435 if (wait_time
> LPFC_XRI_EXCH_BUSY_WAIT_TMO
) {
8437 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8438 "2877 FCP XRI exchange busy "
8439 "wait time: %d seconds.\n",
8442 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8443 "2878 ELS XRI exchange busy "
8444 "wait time: %d seconds.\n",
8446 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2
);
8447 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T2
;
8449 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1
);
8450 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T1
;
8453 list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
8455 list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
8460 * lpfc_sli4_hba_unset - Unset the fcoe hba
8461 * @phba: Pointer to HBA context object.
8463 * This function is called in the SLI4 code path to reset the HBA's FCoE
8464 * function. The caller is not required to hold any lock. This routine
8465 * issues PCI function reset mailbox command to reset the FCoE function.
8466 * At the end of the function, it calls lpfc_hba_down_post function to
8467 * free any pending commands.
8470 lpfc_sli4_hba_unset(struct lpfc_hba
*phba
)
8473 LPFC_MBOXQ_t
*mboxq
;
8474 struct pci_dev
*pdev
= phba
->pcidev
;
8476 lpfc_stop_hba_timers(phba
);
8477 phba
->sli4_hba
.intr_enable
= 0;
8480 * Gracefully wait out the potential current outstanding asynchronous
8484 /* First, block any pending async mailbox command from posted */
8485 spin_lock_irq(&phba
->hbalock
);
8486 phba
->sli
.sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
8487 spin_unlock_irq(&phba
->hbalock
);
8488 /* Now, trying to wait it out if we can */
8489 while (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
8491 if (++wait_cnt
> LPFC_ACTIVE_MBOX_WAIT_CNT
)
8494 /* Forcefully release the outstanding mailbox command if timed out */
8495 if (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
8496 spin_lock_irq(&phba
->hbalock
);
8497 mboxq
= phba
->sli
.mbox_active
;
8498 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
8499 __lpfc_mbox_cmpl_put(phba
, mboxq
);
8500 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
8501 phba
->sli
.mbox_active
= NULL
;
8502 spin_unlock_irq(&phba
->hbalock
);
8505 /* Abort all iocbs associated with the hba */
8506 lpfc_sli_hba_iocb_abort(phba
);
8508 /* Wait for completion of device XRI exchange busy */
8509 lpfc_sli4_xri_exchange_busy_wait(phba
);
8511 /* Disable PCI subsystem interrupt */
8512 lpfc_sli4_disable_intr(phba
);
8514 /* Disable SR-IOV if enabled */
8515 if (phba
->cfg_sriov_nr_virtfn
)
8516 pci_disable_sriov(pdev
);
8518 /* Stop kthread signal shall trigger work_done one more time */
8519 kthread_stop(phba
->worker_thread
);
8521 /* Reset SLI4 HBA FCoE function */
8522 lpfc_pci_function_reset(phba
);
8523 lpfc_sli4_queue_destroy(phba
);
8525 /* Stop the SLI4 device port */
8526 phba
->pport
->work_port_events
= 0;
8530 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
8531 * @phba: Pointer to HBA context object.
8532 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8534 * This function is called in the SLI4 code path to read the port's
8535 * sli4 capabilities.
8537 * This function may be be called from any context that can block-wait
8538 * for the completion. The expectation is that this routine is called
8539 * typically from probe_one or from the online routine.
8542 lpfc_pc_sli4_params_get(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
8545 struct lpfc_mqe
*mqe
;
8546 struct lpfc_pc_sli4_params
*sli4_params
;
8550 mqe
= &mboxq
->u
.mqe
;
8552 /* Read the port's SLI4 Parameters port capabilities */
8553 lpfc_pc_sli4_params(mboxq
);
8554 if (!phba
->sli4_hba
.intr_enable
)
8555 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8557 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
8558 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
8564 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
8565 sli4_params
->if_type
= bf_get(if_type
, &mqe
->un
.sli4_params
);
8566 sli4_params
->sli_rev
= bf_get(sli_rev
, &mqe
->un
.sli4_params
);
8567 sli4_params
->sli_family
= bf_get(sli_family
, &mqe
->un
.sli4_params
);
8568 sli4_params
->featurelevel_1
= bf_get(featurelevel_1
,
8569 &mqe
->un
.sli4_params
);
8570 sli4_params
->featurelevel_2
= bf_get(featurelevel_2
,
8571 &mqe
->un
.sli4_params
);
8572 sli4_params
->proto_types
= mqe
->un
.sli4_params
.word3
;
8573 sli4_params
->sge_supp_len
= mqe
->un
.sli4_params
.sge_supp_len
;
8574 sli4_params
->if_page_sz
= bf_get(if_page_sz
, &mqe
->un
.sli4_params
);
8575 sli4_params
->rq_db_window
= bf_get(rq_db_window
, &mqe
->un
.sli4_params
);
8576 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, &mqe
->un
.sli4_params
);
8577 sli4_params
->eq_pages_max
= bf_get(eq_pages
, &mqe
->un
.sli4_params
);
8578 sli4_params
->eqe_size
= bf_get(eqe_size
, &mqe
->un
.sli4_params
);
8579 sli4_params
->cq_pages_max
= bf_get(cq_pages
, &mqe
->un
.sli4_params
);
8580 sli4_params
->cqe_size
= bf_get(cqe_size
, &mqe
->un
.sli4_params
);
8581 sli4_params
->mq_pages_max
= bf_get(mq_pages
, &mqe
->un
.sli4_params
);
8582 sli4_params
->mqe_size
= bf_get(mqe_size
, &mqe
->un
.sli4_params
);
8583 sli4_params
->mq_elem_cnt
= bf_get(mq_elem_cnt
, &mqe
->un
.sli4_params
);
8584 sli4_params
->wq_pages_max
= bf_get(wq_pages
, &mqe
->un
.sli4_params
);
8585 sli4_params
->wqe_size
= bf_get(wqe_size
, &mqe
->un
.sli4_params
);
8586 sli4_params
->rq_pages_max
= bf_get(rq_pages
, &mqe
->un
.sli4_params
);
8587 sli4_params
->rqe_size
= bf_get(rqe_size
, &mqe
->un
.sli4_params
);
8588 sli4_params
->hdr_pages_max
= bf_get(hdr_pages
, &mqe
->un
.sli4_params
);
8589 sli4_params
->hdr_size
= bf_get(hdr_size
, &mqe
->un
.sli4_params
);
8590 sli4_params
->hdr_pp_align
= bf_get(hdr_pp_align
, &mqe
->un
.sli4_params
);
8591 sli4_params
->sgl_pages_max
= bf_get(sgl_pages
, &mqe
->un
.sli4_params
);
8592 sli4_params
->sgl_pp_align
= bf_get(sgl_pp_align
, &mqe
->un
.sli4_params
);
8594 /* Make sure that sge_supp_len can be handled by the driver */
8595 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
8596 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
8602 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
8603 * @phba: Pointer to HBA context object.
8604 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8606 * This function is called in the SLI4 code path to read the port's
8607 * sli4 capabilities.
8609 * This function may be be called from any context that can block-wait
8610 * for the completion. The expectation is that this routine is called
8611 * typically from probe_one or from the online routine.
8614 lpfc_get_sli4_parameters(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
8617 struct lpfc_mqe
*mqe
= &mboxq
->u
.mqe
;
8618 struct lpfc_pc_sli4_params
*sli4_params
;
8621 struct lpfc_sli4_parameters
*mbx_sli4_parameters
;
8624 * By default, the driver assumes the SLI4 port requires RPI
8625 * header postings. The SLI4_PARAM response will correct this
8628 phba
->sli4_hba
.rpi_hdrs_in_use
= 1;
8630 /* Read the port's SLI4 Config Parameters */
8631 length
= (sizeof(struct lpfc_mbx_get_sli4_parameters
) -
8632 sizeof(struct lpfc_sli4_cfg_mhdr
));
8633 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
8634 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS
,
8635 length
, LPFC_SLI4_MBX_EMBED
);
8636 if (!phba
->sli4_hba
.intr_enable
)
8637 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8639 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
8640 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
8644 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
8645 mbx_sli4_parameters
= &mqe
->un
.get_sli4_parameters
.sli4_parameters
;
8646 sli4_params
->if_type
= bf_get(cfg_if_type
, mbx_sli4_parameters
);
8647 sli4_params
->sli_rev
= bf_get(cfg_sli_rev
, mbx_sli4_parameters
);
8648 sli4_params
->sli_family
= bf_get(cfg_sli_family
, mbx_sli4_parameters
);
8649 sli4_params
->featurelevel_1
= bf_get(cfg_sli_hint_1
,
8650 mbx_sli4_parameters
);
8651 sli4_params
->featurelevel_2
= bf_get(cfg_sli_hint_2
,
8652 mbx_sli4_parameters
);
8653 if (bf_get(cfg_phwq
, mbx_sli4_parameters
))
8654 phba
->sli3_options
|= LPFC_SLI4_PHWQ_ENABLED
;
8656 phba
->sli3_options
&= ~LPFC_SLI4_PHWQ_ENABLED
;
8657 sli4_params
->sge_supp_len
= mbx_sli4_parameters
->sge_supp_len
;
8658 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, mbx_sli4_parameters
);
8659 sli4_params
->cqv
= bf_get(cfg_cqv
, mbx_sli4_parameters
);
8660 sli4_params
->mqv
= bf_get(cfg_mqv
, mbx_sli4_parameters
);
8661 sli4_params
->wqv
= bf_get(cfg_wqv
, mbx_sli4_parameters
);
8662 sli4_params
->rqv
= bf_get(cfg_rqv
, mbx_sli4_parameters
);
8663 sli4_params
->sgl_pages_max
= bf_get(cfg_sgl_page_cnt
,
8664 mbx_sli4_parameters
);
8665 sli4_params
->sgl_pp_align
= bf_get(cfg_sgl_pp_align
,
8666 mbx_sli4_parameters
);
8667 phba
->sli4_hba
.extents_in_use
= bf_get(cfg_ext
, mbx_sli4_parameters
);
8668 phba
->sli4_hba
.rpi_hdrs_in_use
= bf_get(cfg_hdrr
, mbx_sli4_parameters
);
8670 /* Make sure that sge_supp_len can be handled by the driver */
8671 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
8672 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
8678 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
8679 * @pdev: pointer to PCI device
8680 * @pid: pointer to PCI device identifier
8682 * This routine is to be called to attach a device with SLI-3 interface spec
8683 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8684 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
8685 * information of the device and driver to see if the driver state that it can
8686 * support this kind of device. If the match is successful, the driver core
8687 * invokes this routine. If this routine determines it can claim the HBA, it
8688 * does all the initialization that it needs to do to handle the HBA properly.
8691 * 0 - driver can claim the device
8692 * negative value - driver can not claim the device
8694 static int __devinit
8695 lpfc_pci_probe_one_s3(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
8697 struct lpfc_hba
*phba
;
8698 struct lpfc_vport
*vport
= NULL
;
8699 struct Scsi_Host
*shost
= NULL
;
8701 uint32_t cfg_mode
, intr_mode
;
8703 /* Allocate memory for HBA structure */
8704 phba
= lpfc_hba_alloc(pdev
);
8708 /* Perform generic PCI device enabling operation */
8709 error
= lpfc_enable_pci_dev(phba
);
8713 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
8714 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_LP
);
8716 goto out_disable_pci_dev
;
8718 /* Set up SLI-3 specific device PCI memory space */
8719 error
= lpfc_sli_pci_mem_setup(phba
);
8721 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8722 "1402 Failed to set up pci memory space.\n");
8723 goto out_disable_pci_dev
;
8726 /* Set up phase-1 common device driver resources */
8727 error
= lpfc_setup_driver_resource_phase1(phba
);
8729 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8730 "1403 Failed to set up driver resource.\n");
8731 goto out_unset_pci_mem_s3
;
8734 /* Set up SLI-3 specific device driver resources */
8735 error
= lpfc_sli_driver_resource_setup(phba
);
8737 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8738 "1404 Failed to set up driver resource.\n");
8739 goto out_unset_pci_mem_s3
;
8742 /* Initialize and populate the iocb list per host */
8743 error
= lpfc_init_iocb_list(phba
, LPFC_IOCB_LIST_CNT
);
8745 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8746 "1405 Failed to initialize iocb list.\n");
8747 goto out_unset_driver_resource_s3
;
8750 /* Set up common device driver resources */
8751 error
= lpfc_setup_driver_resource_phase2(phba
);
8753 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8754 "1406 Failed to set up driver resource.\n");
8755 goto out_free_iocb_list
;
8758 /* Get the default values for Model Name and Description */
8759 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
8761 /* Create SCSI host to the physical port */
8762 error
= lpfc_create_shost(phba
);
8764 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8765 "1407 Failed to create scsi host.\n");
8766 goto out_unset_driver_resource
;
8769 /* Configure sysfs attributes */
8770 vport
= phba
->pport
;
8771 error
= lpfc_alloc_sysfs_attr(vport
);
8773 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8774 "1476 Failed to allocate sysfs attr\n");
8775 goto out_destroy_shost
;
8778 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
8779 /* Now, trying to enable interrupt and bring up the device */
8780 cfg_mode
= phba
->cfg_use_msi
;
8782 /* Put device to a known state before enabling interrupt */
8783 lpfc_stop_port(phba
);
8784 /* Configure and enable interrupt */
8785 intr_mode
= lpfc_sli_enable_intr(phba
, cfg_mode
);
8786 if (intr_mode
== LPFC_INTR_ERROR
) {
8787 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8788 "0431 Failed to enable interrupt.\n");
8790 goto out_free_sysfs_attr
;
8792 /* SLI-3 HBA setup */
8793 if (lpfc_sli_hba_setup(phba
)) {
8794 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8795 "1477 Failed to set up hba\n");
8797 goto out_remove_device
;
8800 /* Wait 50ms for the interrupts of previous mailbox commands */
8802 /* Check active interrupts on message signaled interrupts */
8803 if (intr_mode
== 0 ||
8804 phba
->sli
.slistat
.sli_intr
> LPFC_MSIX_VECTORS
) {
8805 /* Log the current active interrupt mode */
8806 phba
->intr_mode
= intr_mode
;
8807 lpfc_log_intr_mode(phba
, intr_mode
);
8810 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8811 "0447 Configure interrupt mode (%d) "
8812 "failed active interrupt test.\n",
8814 /* Disable the current interrupt mode */
8815 lpfc_sli_disable_intr(phba
);
8816 /* Try next level of interrupt mode */
8817 cfg_mode
= --intr_mode
;
8821 /* Perform post initialization setup */
8822 lpfc_post_init_setup(phba
);
8824 /* Check if there are static vports to be created. */
8825 lpfc_create_static_vport(phba
);
8830 lpfc_unset_hba(phba
);
8831 out_free_sysfs_attr
:
8832 lpfc_free_sysfs_attr(vport
);
8834 lpfc_destroy_shost(phba
);
8835 out_unset_driver_resource
:
8836 lpfc_unset_driver_resource_phase2(phba
);
8838 lpfc_free_iocb_list(phba
);
8839 out_unset_driver_resource_s3
:
8840 lpfc_sli_driver_resource_unset(phba
);
8841 out_unset_pci_mem_s3
:
8842 lpfc_sli_pci_mem_unset(phba
);
8843 out_disable_pci_dev
:
8844 lpfc_disable_pci_dev(phba
);
8846 scsi_host_put(shost
);
8848 lpfc_hba_free(phba
);
8853 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
8854 * @pdev: pointer to PCI device
8856 * This routine is to be called to disattach a device with SLI-3 interface
8857 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8858 * removed from PCI bus, it performs all the necessary cleanup for the HBA
8859 * device to be removed from the PCI subsystem properly.
8861 static void __devexit
8862 lpfc_pci_remove_one_s3(struct pci_dev
*pdev
)
8864 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8865 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
8866 struct lpfc_vport
**vports
;
8867 struct lpfc_hba
*phba
= vport
->phba
;
8869 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
8871 spin_lock_irq(&phba
->hbalock
);
8872 vport
->load_flag
|= FC_UNLOADING
;
8873 spin_unlock_irq(&phba
->hbalock
);
8875 lpfc_free_sysfs_attr(vport
);
8877 /* Release all the vports against this physical port */
8878 vports
= lpfc_create_vport_work_array(phba
);
8880 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
8881 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
8883 fc_vport_terminate(vports
[i
]->fc_vport
);
8885 lpfc_destroy_vport_work_array(phba
, vports
);
8887 /* Remove FC host and then SCSI host with the physical port */
8888 fc_remove_host(shost
);
8889 scsi_remove_host(shost
);
8890 lpfc_cleanup(vport
);
8893 * Bring down the SLI Layer. This step disable all interrupts,
8894 * clears the rings, discards all mailbox commands, and resets
8898 /* HBA interrupt will be disabled after this call */
8899 lpfc_sli_hba_down(phba
);
8900 /* Stop kthread signal shall trigger work_done one more time */
8901 kthread_stop(phba
->worker_thread
);
8902 /* Final cleanup of txcmplq and reset the HBA */
8903 lpfc_sli_brdrestart(phba
);
8905 kfree(phba
->vpi_bmask
);
8906 kfree(phba
->vpi_ids
);
8908 lpfc_stop_hba_timers(phba
);
8909 spin_lock_irq(&phba
->hbalock
);
8910 list_del_init(&vport
->listentry
);
8911 spin_unlock_irq(&phba
->hbalock
);
8913 lpfc_debugfs_terminate(vport
);
8915 /* Disable SR-IOV if enabled */
8916 if (phba
->cfg_sriov_nr_virtfn
)
8917 pci_disable_sriov(pdev
);
8919 /* Disable interrupt */
8920 lpfc_sli_disable_intr(phba
);
8922 pci_set_drvdata(pdev
, NULL
);
8923 scsi_host_put(shost
);
8926 * Call scsi_free before mem_free since scsi bufs are released to their
8927 * corresponding pools here.
8929 lpfc_scsi_free(phba
);
8930 lpfc_mem_free_all(phba
);
8932 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
8933 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
8935 /* Free resources associated with SLI2 interface */
8936 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
8937 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
8939 /* unmap adapter SLIM and Control Registers */
8940 iounmap(phba
->ctrl_regs_memmap_p
);
8941 iounmap(phba
->slim_memmap_p
);
8943 lpfc_hba_free(phba
);
8945 pci_release_selected_regions(pdev
, bars
);
8946 pci_disable_device(pdev
);
8950 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
8951 * @pdev: pointer to PCI device
8952 * @msg: power management message
8954 * This routine is to be called from the kernel's PCI subsystem to support
8955 * system Power Management (PM) to device with SLI-3 interface spec. When
8956 * PM invokes this method, it quiesces the device by stopping the driver's
8957 * worker thread for the device, turning off device's interrupt and DMA,
8958 * and bring the device offline. Note that as the driver implements the
8959 * minimum PM requirements to a power-aware driver's PM support for the
8960 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
8961 * to the suspend() method call will be treated as SUSPEND and the driver will
8962 * fully reinitialize its device during resume() method call, the driver will
8963 * set device to PCI_D3hot state in PCI config space instead of setting it
8964 * according to the @msg provided by the PM.
8967 * 0 - driver suspended the device
8971 lpfc_pci_suspend_one_s3(struct pci_dev
*pdev
, pm_message_t msg
)
8973 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8974 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8976 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8977 "0473 PCI device Power Management suspend.\n");
8979 /* Bring down the device */
8980 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
8982 kthread_stop(phba
->worker_thread
);
8984 /* Disable interrupt from device */
8985 lpfc_sli_disable_intr(phba
);
8987 /* Save device state to PCI config space */
8988 pci_save_state(pdev
);
8989 pci_set_power_state(pdev
, PCI_D3hot
);
8995 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
8996 * @pdev: pointer to PCI device
8998 * This routine is to be called from the kernel's PCI subsystem to support
8999 * system Power Management (PM) to device with SLI-3 interface spec. When PM
9000 * invokes this method, it restores the device's PCI config space state and
9001 * fully reinitializes the device and brings it online. Note that as the
9002 * driver implements the minimum PM requirements to a power-aware driver's
9003 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
9004 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
9005 * driver will fully reinitialize its device during resume() method call,
9006 * the device will be set to PCI_D0 directly in PCI config space before
9007 * restoring the state.
9010 * 0 - driver suspended the device
9014 lpfc_pci_resume_one_s3(struct pci_dev
*pdev
)
9016 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9017 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9021 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9022 "0452 PCI device Power Management resume.\n");
9024 /* Restore device state from PCI config space */
9025 pci_set_power_state(pdev
, PCI_D0
);
9026 pci_restore_state(pdev
);
9029 * As the new kernel behavior of pci_restore_state() API call clears
9030 * device saved_state flag, need to save the restored state again.
9032 pci_save_state(pdev
);
9034 if (pdev
->is_busmaster
)
9035 pci_set_master(pdev
);
9037 /* Startup the kernel thread for this host adapter. */
9038 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
9039 "lpfc_worker_%d", phba
->brd_no
);
9040 if (IS_ERR(phba
->worker_thread
)) {
9041 error
= PTR_ERR(phba
->worker_thread
);
9042 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9043 "0434 PM resume failed to start worker "
9044 "thread: error=x%x.\n", error
);
9048 /* Configure and enable interrupt */
9049 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
9050 if (intr_mode
== LPFC_INTR_ERROR
) {
9051 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9052 "0430 PM resume Failed to enable interrupt\n");
9055 phba
->intr_mode
= intr_mode
;
9057 /* Restart HBA and bring it online */
9058 lpfc_sli_brdrestart(phba
);
9061 /* Log the current active interrupt mode */
9062 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9068 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
9069 * @phba: pointer to lpfc hba data structure.
9071 * This routine is called to prepare the SLI3 device for PCI slot recover. It
9072 * aborts all the outstanding SCSI I/Os to the pci device.
9075 lpfc_sli_prep_dev_for_recover(struct lpfc_hba
*phba
)
9077 struct lpfc_sli
*psli
= &phba
->sli
;
9078 struct lpfc_sli_ring
*pring
;
9080 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9081 "2723 PCI channel I/O abort preparing for recovery\n");
9084 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9085 * and let the SCSI mid-layer to retry them to recover.
9087 pring
= &psli
->ring
[psli
->fcp_ring
];
9088 lpfc_sli_abort_iocb_ring(phba
, pring
);
9092 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
9093 * @phba: pointer to lpfc hba data structure.
9095 * This routine is called to prepare the SLI3 device for PCI slot reset. It
9096 * disables the device interrupt and pci device, and aborts the internal FCP
9100 lpfc_sli_prep_dev_for_reset(struct lpfc_hba
*phba
)
9102 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9103 "2710 PCI channel disable preparing for reset\n");
9105 /* Block any management I/Os to the device */
9106 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
9108 /* Block all SCSI devices' I/Os on the host */
9109 lpfc_scsi_dev_block(phba
);
9111 /* stop all timers */
9112 lpfc_stop_hba_timers(phba
);
9114 /* Disable interrupt and pci device */
9115 lpfc_sli_disable_intr(phba
);
9116 pci_disable_device(phba
->pcidev
);
9118 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9119 lpfc_sli_flush_fcp_rings(phba
);
9123 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
9124 * @phba: pointer to lpfc hba data structure.
9126 * This routine is called to prepare the SLI3 device for PCI slot permanently
9127 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9131 lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
9133 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9134 "2711 PCI channel permanent disable for failure\n");
9135 /* Block all SCSI devices' I/Os on the host */
9136 lpfc_scsi_dev_block(phba
);
9138 /* stop all timers */
9139 lpfc_stop_hba_timers(phba
);
9141 /* Clean up all driver's outstanding SCSI I/Os */
9142 lpfc_sli_flush_fcp_rings(phba
);
9146 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
9147 * @pdev: pointer to PCI device.
9148 * @state: the current PCI connection state.
9150 * This routine is called from the PCI subsystem for I/O error handling to
9151 * device with SLI-3 interface spec. This function is called by the PCI
9152 * subsystem after a PCI bus error affecting this device has been detected.
9153 * When this function is invoked, it will need to stop all the I/Os and
9154 * interrupt(s) to the device. Once that is done, it will return
9155 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
9159 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
9160 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9161 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9163 static pci_ers_result_t
9164 lpfc_io_error_detected_s3(struct pci_dev
*pdev
, pci_channel_state_t state
)
9166 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9167 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9170 case pci_channel_io_normal
:
9171 /* Non-fatal error, prepare for recovery */
9172 lpfc_sli_prep_dev_for_recover(phba
);
9173 return PCI_ERS_RESULT_CAN_RECOVER
;
9174 case pci_channel_io_frozen
:
9175 /* Fatal error, prepare for slot reset */
9176 lpfc_sli_prep_dev_for_reset(phba
);
9177 return PCI_ERS_RESULT_NEED_RESET
;
9178 case pci_channel_io_perm_failure
:
9179 /* Permanent failure, prepare for device down */
9180 lpfc_sli_prep_dev_for_perm_failure(phba
);
9181 return PCI_ERS_RESULT_DISCONNECT
;
9183 /* Unknown state, prepare and request slot reset */
9184 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9185 "0472 Unknown PCI error state: x%x\n", state
);
9186 lpfc_sli_prep_dev_for_reset(phba
);
9187 return PCI_ERS_RESULT_NEED_RESET
;
9192 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
9193 * @pdev: pointer to PCI device.
9195 * This routine is called from the PCI subsystem for error handling to
9196 * device with SLI-3 interface spec. This is called after PCI bus has been
9197 * reset to restart the PCI card from scratch, as if from a cold-boot.
9198 * During the PCI subsystem error recovery, after driver returns
9199 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
9200 * recovery and then call this routine before calling the .resume method
9201 * to recover the device. This function will initialize the HBA device,
9202 * enable the interrupt, but it will just put the HBA to offline state
9203 * without passing any I/O traffic.
9206 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9207 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9209 static pci_ers_result_t
9210 lpfc_io_slot_reset_s3(struct pci_dev
*pdev
)
9212 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9213 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9214 struct lpfc_sli
*psli
= &phba
->sli
;
9217 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
9218 if (pci_enable_device_mem(pdev
)) {
9219 printk(KERN_ERR
"lpfc: Cannot re-enable "
9220 "PCI device after reset.\n");
9221 return PCI_ERS_RESULT_DISCONNECT
;
9224 pci_restore_state(pdev
);
9227 * As the new kernel behavior of pci_restore_state() API call clears
9228 * device saved_state flag, need to save the restored state again.
9230 pci_save_state(pdev
);
9232 if (pdev
->is_busmaster
)
9233 pci_set_master(pdev
);
9235 spin_lock_irq(&phba
->hbalock
);
9236 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
9237 spin_unlock_irq(&phba
->hbalock
);
9239 /* Configure and enable interrupt */
9240 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
9241 if (intr_mode
== LPFC_INTR_ERROR
) {
9242 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9243 "0427 Cannot re-enable interrupt after "
9245 return PCI_ERS_RESULT_DISCONNECT
;
9247 phba
->intr_mode
= intr_mode
;
9249 /* Take device offline, it will perform cleanup */
9250 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
9252 lpfc_sli_brdrestart(phba
);
9254 /* Log the current active interrupt mode */
9255 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9257 return PCI_ERS_RESULT_RECOVERED
;
9261 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
9262 * @pdev: pointer to PCI device
9264 * This routine is called from the PCI subsystem for error handling to device
9265 * with SLI-3 interface spec. It is called when kernel error recovery tells
9266 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
9267 * error recovery. After this call, traffic can start to flow from this device
9271 lpfc_io_resume_s3(struct pci_dev
*pdev
)
9273 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9274 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9276 /* Bring device online, it will be no-op for non-fatal error resume */
9279 /* Clean up Advanced Error Reporting (AER) if needed */
9280 if (phba
->hba_flag
& HBA_AER_ENABLED
)
9281 pci_cleanup_aer_uncorrect_error_status(pdev
);
9285 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
9286 * @phba: pointer to lpfc hba data structure.
9288 * returns the number of ELS/CT IOCBs to reserve
9291 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*phba
)
9293 int max_xri
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
9295 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
9298 else if (max_xri
<= 256)
9300 else if (max_xri
<= 512)
9302 else if (max_xri
<= 1024)
9304 else if (max_xri
<= 1536)
9306 else if (max_xri
<= 2048)
9315 * lpfc_write_firmware - attempt to write a firmware image to the port
9316 * @fw: pointer to firmware image returned from request_firmware.
9317 * @phba: pointer to lpfc hba data structure.
9321 lpfc_write_firmware(const struct firmware
*fw
, void *context
)
9323 struct lpfc_hba
*phba
= (struct lpfc_hba
*)context
;
9324 char fwrev
[FW_REV_STR_SIZE
];
9325 struct lpfc_grp_hdr
*image
;
9326 struct list_head dma_buffer_list
;
9328 struct lpfc_dmabuf
*dmabuf
, *next
;
9329 uint32_t offset
= 0, temp_offset
= 0;
9331 /* It can be null, sanity check */
9336 image
= (struct lpfc_grp_hdr
*)fw
->data
;
9338 INIT_LIST_HEAD(&dma_buffer_list
);
9339 if ((be32_to_cpu(image
->magic_number
) != LPFC_GROUP_OJECT_MAGIC_NUM
) ||
9340 (bf_get_be32(lpfc_grp_hdr_file_type
, image
) !=
9341 LPFC_FILE_TYPE_GROUP
) ||
9342 (bf_get_be32(lpfc_grp_hdr_id
, image
) != LPFC_FILE_ID_GROUP
) ||
9343 (be32_to_cpu(image
->size
) != fw
->size
)) {
9344 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9345 "3022 Invalid FW image found. "
9346 "Magic:%x Type:%x ID:%x\n",
9347 be32_to_cpu(image
->magic_number
),
9348 bf_get_be32(lpfc_grp_hdr_file_type
, image
),
9349 bf_get_be32(lpfc_grp_hdr_id
, image
));
9353 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
9354 if (strncmp(fwrev
, image
->revision
, strnlen(image
->revision
, 16))) {
9355 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9356 "3023 Updating Firmware, Current Version:%s "
9358 fwrev
, image
->revision
);
9359 for (i
= 0; i
< LPFC_MBX_WR_CONFIG_MAX_BDE
; i
++) {
9360 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
),
9366 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
9370 if (!dmabuf
->virt
) {
9375 list_add_tail(&dmabuf
->list
, &dma_buffer_list
);
9377 while (offset
< fw
->size
) {
9378 temp_offset
= offset
;
9379 list_for_each_entry(dmabuf
, &dma_buffer_list
, list
) {
9380 if (temp_offset
+ SLI4_PAGE_SIZE
> fw
->size
) {
9381 memcpy(dmabuf
->virt
,
9382 fw
->data
+ temp_offset
,
9383 fw
->size
- temp_offset
);
9384 temp_offset
= fw
->size
;
9387 memcpy(dmabuf
->virt
, fw
->data
+ temp_offset
,
9389 temp_offset
+= SLI4_PAGE_SIZE
;
9391 rc
= lpfc_wr_object(phba
, &dma_buffer_list
,
9392 (fw
->size
- offset
), &offset
);
9400 list_for_each_entry_safe(dmabuf
, next
, &dma_buffer_list
, list
) {
9401 list_del(&dmabuf
->list
);
9402 dma_free_coherent(&phba
->pcidev
->dev
, SLI4_PAGE_SIZE
,
9403 dmabuf
->virt
, dmabuf
->phys
);
9406 release_firmware(fw
);
9408 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9409 "3024 Firmware update done: %d.", rc
);
9414 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
9415 * @pdev: pointer to PCI device
9416 * @pid: pointer to PCI device identifier
9418 * This routine is called from the kernel's PCI subsystem to device with
9419 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
9420 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
9421 * information of the device and driver to see if the driver state that it
9422 * can support this kind of device. If the match is successful, the driver
9423 * core invokes this routine. If this routine determines it can claim the HBA,
9424 * it does all the initialization that it needs to do to handle the HBA
9428 * 0 - driver can claim the device
9429 * negative value - driver can not claim the device
9431 static int __devinit
9432 lpfc_pci_probe_one_s4(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
9434 struct lpfc_hba
*phba
;
9435 struct lpfc_vport
*vport
= NULL
;
9436 struct Scsi_Host
*shost
= NULL
;
9438 uint32_t cfg_mode
, intr_mode
;
9440 int adjusted_fcp_io_channel
;
9441 uint8_t file_name
[ELX_MODEL_NAME_SIZE
];
9443 /* Allocate memory for HBA structure */
9444 phba
= lpfc_hba_alloc(pdev
);
9448 /* Perform generic PCI device enabling operation */
9449 error
= lpfc_enable_pci_dev(phba
);
9453 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
9454 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_OC
);
9456 goto out_disable_pci_dev
;
9458 /* Set up SLI-4 specific device PCI memory space */
9459 error
= lpfc_sli4_pci_mem_setup(phba
);
9461 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9462 "1410 Failed to set up pci memory space.\n");
9463 goto out_disable_pci_dev
;
9466 /* Set up phase-1 common device driver resources */
9467 error
= lpfc_setup_driver_resource_phase1(phba
);
9469 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9470 "1411 Failed to set up driver resource.\n");
9471 goto out_unset_pci_mem_s4
;
9474 /* Set up SLI-4 Specific device driver resources */
9475 error
= lpfc_sli4_driver_resource_setup(phba
);
9477 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9478 "1412 Failed to set up driver resource.\n");
9479 goto out_unset_pci_mem_s4
;
9482 /* Initialize and populate the iocb list per host */
9484 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9485 "2821 initialize iocb list %d.\n",
9486 phba
->cfg_iocb_cnt
*1024);
9487 error
= lpfc_init_iocb_list(phba
, phba
->cfg_iocb_cnt
*1024);
9490 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9491 "1413 Failed to initialize iocb list.\n");
9492 goto out_unset_driver_resource_s4
;
9495 INIT_LIST_HEAD(&phba
->active_rrq_list
);
9496 INIT_LIST_HEAD(&phba
->fcf
.fcf_pri_list
);
9498 /* Set up common device driver resources */
9499 error
= lpfc_setup_driver_resource_phase2(phba
);
9501 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9502 "1414 Failed to set up driver resource.\n");
9503 goto out_free_iocb_list
;
9506 /* Get the default values for Model Name and Description */
9507 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
9509 /* Create SCSI host to the physical port */
9510 error
= lpfc_create_shost(phba
);
9512 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9513 "1415 Failed to create scsi host.\n");
9514 goto out_unset_driver_resource
;
9517 /* Configure sysfs attributes */
9518 vport
= phba
->pport
;
9519 error
= lpfc_alloc_sysfs_attr(vport
);
9521 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9522 "1416 Failed to allocate sysfs attr\n");
9523 goto out_destroy_shost
;
9526 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
9527 /* Now, trying to enable interrupt and bring up the device */
9528 cfg_mode
= phba
->cfg_use_msi
;
9530 /* Put device to a known state before enabling interrupt */
9531 lpfc_stop_port(phba
);
9532 /* Configure and enable interrupt */
9533 intr_mode
= lpfc_sli4_enable_intr(phba
, cfg_mode
);
9534 if (intr_mode
== LPFC_INTR_ERROR
) {
9535 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9536 "0426 Failed to enable interrupt.\n");
9538 goto out_free_sysfs_attr
;
9540 /* Default to single EQ for non-MSI-X */
9541 if (phba
->intr_type
!= MSIX
)
9542 adjusted_fcp_io_channel
= 1;
9544 adjusted_fcp_io_channel
= phba
->cfg_fcp_io_channel
;
9545 phba
->cfg_fcp_io_channel
= adjusted_fcp_io_channel
;
9546 /* Set up SLI-4 HBA */
9547 if (lpfc_sli4_hba_setup(phba
)) {
9548 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9549 "1421 Failed to set up hba\n");
9551 goto out_disable_intr
;
9554 /* Send NOP mbx cmds for non-INTx mode active interrupt test */
9556 mcnt
= lpfc_sli4_send_nop_mbox_cmds(phba
,
9559 /* Check active interrupts received only for MSI/MSI-X */
9560 if (intr_mode
== 0 ||
9561 phba
->sli
.slistat
.sli_intr
>= LPFC_ACT_INTR_CNT
) {
9562 /* Log the current active interrupt mode */
9563 phba
->intr_mode
= intr_mode
;
9564 lpfc_log_intr_mode(phba
, intr_mode
);
9567 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9568 "0451 Configure interrupt mode (%d) "
9569 "failed active interrupt test.\n",
9571 /* Unset the previous SLI-4 HBA setup. */
9573 * TODO: Is this operation compatible with IF TYPE 2
9574 * devices? All port state is deleted and cleared.
9576 lpfc_sli4_unset_hba(phba
);
9577 /* Try next level of interrupt mode */
9578 cfg_mode
= --intr_mode
;
9581 /* Perform post initialization setup */
9582 lpfc_post_init_setup(phba
);
9584 /* check for firmware upgrade or downgrade (if_type 2 only) */
9585 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
9586 LPFC_SLI_INTF_IF_TYPE_2
) {
9587 snprintf(file_name
, ELX_MODEL_NAME_SIZE
, "%s.grp",
9589 ret
= request_firmware_nowait(THIS_MODULE
, FW_ACTION_HOTPLUG
,
9590 file_name
, &phba
->pcidev
->dev
,
9591 GFP_KERNEL
, (void *)phba
,
9592 lpfc_write_firmware
);
9595 /* Check if there are static vports to be created. */
9596 lpfc_create_static_vport(phba
);
9600 lpfc_sli4_disable_intr(phba
);
9601 out_free_sysfs_attr
:
9602 lpfc_free_sysfs_attr(vport
);
9604 lpfc_destroy_shost(phba
);
9605 out_unset_driver_resource
:
9606 lpfc_unset_driver_resource_phase2(phba
);
9608 lpfc_free_iocb_list(phba
);
9609 out_unset_driver_resource_s4
:
9610 lpfc_sli4_driver_resource_unset(phba
);
9611 out_unset_pci_mem_s4
:
9612 lpfc_sli4_pci_mem_unset(phba
);
9613 out_disable_pci_dev
:
9614 lpfc_disable_pci_dev(phba
);
9616 scsi_host_put(shost
);
9618 lpfc_hba_free(phba
);
9623 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
9624 * @pdev: pointer to PCI device
9626 * This routine is called from the kernel's PCI subsystem to device with
9627 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
9628 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9629 * device to be removed from the PCI subsystem properly.
9631 static void __devexit
9632 lpfc_pci_remove_one_s4(struct pci_dev
*pdev
)
9634 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9635 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
9636 struct lpfc_vport
**vports
;
9637 struct lpfc_hba
*phba
= vport
->phba
;
9640 /* Mark the device unloading flag */
9641 spin_lock_irq(&phba
->hbalock
);
9642 vport
->load_flag
|= FC_UNLOADING
;
9643 spin_unlock_irq(&phba
->hbalock
);
9645 /* Free the HBA sysfs attributes */
9646 lpfc_free_sysfs_attr(vport
);
9648 /* Release all the vports against this physical port */
9649 vports
= lpfc_create_vport_work_array(phba
);
9651 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
9652 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
9654 fc_vport_terminate(vports
[i
]->fc_vport
);
9656 lpfc_destroy_vport_work_array(phba
, vports
);
9658 /* Remove FC host and then SCSI host with the physical port */
9659 fc_remove_host(shost
);
9660 scsi_remove_host(shost
);
9662 /* Perform cleanup on the physical port */
9663 lpfc_cleanup(vport
);
9666 * Bring down the SLI Layer. This step disables all interrupts,
9667 * clears the rings, discards all mailbox commands, and resets
9668 * the HBA FCoE function.
9670 lpfc_debugfs_terminate(vport
);
9671 lpfc_sli4_hba_unset(phba
);
9673 spin_lock_irq(&phba
->hbalock
);
9674 list_del_init(&vport
->listentry
);
9675 spin_unlock_irq(&phba
->hbalock
);
9677 /* Perform scsi free before driver resource_unset since scsi
9678 * buffers are released to their corresponding pools here.
9680 lpfc_scsi_free(phba
);
9682 lpfc_sli4_driver_resource_unset(phba
);
9684 /* Unmap adapter Control and Doorbell registers */
9685 lpfc_sli4_pci_mem_unset(phba
);
9687 /* Release PCI resources and disable device's PCI function */
9688 scsi_host_put(shost
);
9689 lpfc_disable_pci_dev(phba
);
9691 /* Finally, free the driver's device data structure */
9692 lpfc_hba_free(phba
);
9698 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
9699 * @pdev: pointer to PCI device
9700 * @msg: power management message
9702 * This routine is called from the kernel's PCI subsystem to support system
9703 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
9704 * this method, it quiesces the device by stopping the driver's worker
9705 * thread for the device, turning off device's interrupt and DMA, and bring
9706 * the device offline. Note that as the driver implements the minimum PM
9707 * requirements to a power-aware driver's PM support for suspend/resume -- all
9708 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
9709 * method call will be treated as SUSPEND and the driver will fully
9710 * reinitialize its device during resume() method call, the driver will set
9711 * device to PCI_D3hot state in PCI config space instead of setting it
9712 * according to the @msg provided by the PM.
9715 * 0 - driver suspended the device
9719 lpfc_pci_suspend_one_s4(struct pci_dev
*pdev
, pm_message_t msg
)
9721 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9722 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9724 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9725 "2843 PCI device Power Management suspend.\n");
9727 /* Bring down the device */
9728 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
9730 kthread_stop(phba
->worker_thread
);
9732 /* Disable interrupt from device */
9733 lpfc_sli4_disable_intr(phba
);
9734 lpfc_sli4_queue_destroy(phba
);
9736 /* Save device state to PCI config space */
9737 pci_save_state(pdev
);
9738 pci_set_power_state(pdev
, PCI_D3hot
);
9744 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
9745 * @pdev: pointer to PCI device
9747 * This routine is called from the kernel's PCI subsystem to support system
9748 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
9749 * this method, it restores the device's PCI config space state and fully
9750 * reinitializes the device and brings it online. Note that as the driver
9751 * implements the minimum PM requirements to a power-aware driver's PM for
9752 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9753 * to the suspend() method call will be treated as SUSPEND and the driver
9754 * will fully reinitialize its device during resume() method call, the device
9755 * will be set to PCI_D0 directly in PCI config space before restoring the
9759 * 0 - driver suspended the device
9763 lpfc_pci_resume_one_s4(struct pci_dev
*pdev
)
9765 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9766 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9770 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9771 "0292 PCI device Power Management resume.\n");
9773 /* Restore device state from PCI config space */
9774 pci_set_power_state(pdev
, PCI_D0
);
9775 pci_restore_state(pdev
);
9778 * As the new kernel behavior of pci_restore_state() API call clears
9779 * device saved_state flag, need to save the restored state again.
9781 pci_save_state(pdev
);
9783 if (pdev
->is_busmaster
)
9784 pci_set_master(pdev
);
9786 /* Startup the kernel thread for this host adapter. */
9787 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
9788 "lpfc_worker_%d", phba
->brd_no
);
9789 if (IS_ERR(phba
->worker_thread
)) {
9790 error
= PTR_ERR(phba
->worker_thread
);
9791 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9792 "0293 PM resume failed to start worker "
9793 "thread: error=x%x.\n", error
);
9797 /* Configure and enable interrupt */
9798 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
9799 if (intr_mode
== LPFC_INTR_ERROR
) {
9800 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9801 "0294 PM resume Failed to enable interrupt\n");
9804 phba
->intr_mode
= intr_mode
;
9806 /* Restart HBA and bring it online */
9807 lpfc_sli_brdrestart(phba
);
9810 /* Log the current active interrupt mode */
9811 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9817 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
9818 * @phba: pointer to lpfc hba data structure.
9820 * This routine is called to prepare the SLI4 device for PCI slot recover. It
9821 * aborts all the outstanding SCSI I/Os to the pci device.
9824 lpfc_sli4_prep_dev_for_recover(struct lpfc_hba
*phba
)
9826 struct lpfc_sli
*psli
= &phba
->sli
;
9827 struct lpfc_sli_ring
*pring
;
9829 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9830 "2828 PCI channel I/O abort preparing for recovery\n");
9832 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9833 * and let the SCSI mid-layer to retry them to recover.
9835 pring
= &psli
->ring
[psli
->fcp_ring
];
9836 lpfc_sli_abort_iocb_ring(phba
, pring
);
9840 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
9841 * @phba: pointer to lpfc hba data structure.
9843 * This routine is called to prepare the SLI4 device for PCI slot reset. It
9844 * disables the device interrupt and pci device, and aborts the internal FCP
9848 lpfc_sli4_prep_dev_for_reset(struct lpfc_hba
*phba
)
9850 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9851 "2826 PCI channel disable preparing for reset\n");
9853 /* Block any management I/Os to the device */
9854 lpfc_block_mgmt_io(phba
, LPFC_MBX_NO_WAIT
);
9856 /* Block all SCSI devices' I/Os on the host */
9857 lpfc_scsi_dev_block(phba
);
9859 /* stop all timers */
9860 lpfc_stop_hba_timers(phba
);
9862 /* Disable interrupt and pci device */
9863 lpfc_sli4_disable_intr(phba
);
9864 lpfc_sli4_queue_destroy(phba
);
9865 pci_disable_device(phba
->pcidev
);
9867 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9868 lpfc_sli_flush_fcp_rings(phba
);
9872 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
9873 * @phba: pointer to lpfc hba data structure.
9875 * This routine is called to prepare the SLI4 device for PCI slot permanently
9876 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9880 lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
9882 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9883 "2827 PCI channel permanent disable for failure\n");
9885 /* Block all SCSI devices' I/Os on the host */
9886 lpfc_scsi_dev_block(phba
);
9888 /* stop all timers */
9889 lpfc_stop_hba_timers(phba
);
9891 /* Clean up all driver's outstanding SCSI I/Os */
9892 lpfc_sli_flush_fcp_rings(phba
);
9896 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
9897 * @pdev: pointer to PCI device.
9898 * @state: the current PCI connection state.
9900 * This routine is called from the PCI subsystem for error handling to device
9901 * with SLI-4 interface spec. This function is called by the PCI subsystem
9902 * after a PCI bus error affecting this device has been detected. When this
9903 * function is invoked, it will need to stop all the I/Os and interrupt(s)
9904 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
9905 * for the PCI subsystem to perform proper recovery as desired.
9908 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9909 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9911 static pci_ers_result_t
9912 lpfc_io_error_detected_s4(struct pci_dev
*pdev
, pci_channel_state_t state
)
9914 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9915 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9918 case pci_channel_io_normal
:
9919 /* Non-fatal error, prepare for recovery */
9920 lpfc_sli4_prep_dev_for_recover(phba
);
9921 return PCI_ERS_RESULT_CAN_RECOVER
;
9922 case pci_channel_io_frozen
:
9923 /* Fatal error, prepare for slot reset */
9924 lpfc_sli4_prep_dev_for_reset(phba
);
9925 return PCI_ERS_RESULT_NEED_RESET
;
9926 case pci_channel_io_perm_failure
:
9927 /* Permanent failure, prepare for device down */
9928 lpfc_sli4_prep_dev_for_perm_failure(phba
);
9929 return PCI_ERS_RESULT_DISCONNECT
;
9931 /* Unknown state, prepare and request slot reset */
9932 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9933 "2825 Unknown PCI error state: x%x\n", state
);
9934 lpfc_sli4_prep_dev_for_reset(phba
);
9935 return PCI_ERS_RESULT_NEED_RESET
;
9940 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
9941 * @pdev: pointer to PCI device.
9943 * This routine is called from the PCI subsystem for error handling to device
9944 * with SLI-4 interface spec. It is called after PCI bus has been reset to
9945 * restart the PCI card from scratch, as if from a cold-boot. During the
9946 * PCI subsystem error recovery, after the driver returns
9947 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
9948 * recovery and then call this routine before calling the .resume method to
9949 * recover the device. This function will initialize the HBA device, enable
9950 * the interrupt, but it will just put the HBA to offline state without
9951 * passing any I/O traffic.
9954 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9955 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9957 static pci_ers_result_t
9958 lpfc_io_slot_reset_s4(struct pci_dev
*pdev
)
9960 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9961 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9962 struct lpfc_sli
*psli
= &phba
->sli
;
9965 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
9966 if (pci_enable_device_mem(pdev
)) {
9967 printk(KERN_ERR
"lpfc: Cannot re-enable "
9968 "PCI device after reset.\n");
9969 return PCI_ERS_RESULT_DISCONNECT
;
9972 pci_restore_state(pdev
);
9975 * As the new kernel behavior of pci_restore_state() API call clears
9976 * device saved_state flag, need to save the restored state again.
9978 pci_save_state(pdev
);
9980 if (pdev
->is_busmaster
)
9981 pci_set_master(pdev
);
9983 spin_lock_irq(&phba
->hbalock
);
9984 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
9985 spin_unlock_irq(&phba
->hbalock
);
9987 /* Configure and enable interrupt */
9988 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
9989 if (intr_mode
== LPFC_INTR_ERROR
) {
9990 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9991 "2824 Cannot re-enable interrupt after "
9993 return PCI_ERS_RESULT_DISCONNECT
;
9995 phba
->intr_mode
= intr_mode
;
9997 /* Log the current active interrupt mode */
9998 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
10000 return PCI_ERS_RESULT_RECOVERED
;
10004 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
10005 * @pdev: pointer to PCI device
10007 * This routine is called from the PCI subsystem for error handling to device
10008 * with SLI-4 interface spec. It is called when kernel error recovery tells
10009 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
10010 * error recovery. After this call, traffic can start to flow from this device
10014 lpfc_io_resume_s4(struct pci_dev
*pdev
)
10016 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10017 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10020 * In case of slot reset, as function reset is performed through
10021 * mailbox command which needs DMA to be enabled, this operation
10022 * has to be moved to the io resume phase. Taking device offline
10023 * will perform the necessary cleanup.
10025 if (!(phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)) {
10026 /* Perform device reset */
10027 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
10028 lpfc_offline(phba
);
10029 lpfc_sli_brdrestart(phba
);
10030 /* Bring the device back online */
10034 /* Clean up Advanced Error Reporting (AER) if needed */
10035 if (phba
->hba_flag
& HBA_AER_ENABLED
)
10036 pci_cleanup_aer_uncorrect_error_status(pdev
);
10040 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
10041 * @pdev: pointer to PCI device
10042 * @pid: pointer to PCI device identifier
10044 * This routine is to be registered to the kernel's PCI subsystem. When an
10045 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
10046 * at PCI device-specific information of the device and driver to see if the
10047 * driver state that it can support this kind of device. If the match is
10048 * successful, the driver core invokes this routine. This routine dispatches
10049 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
10050 * do all the initialization that it needs to do to handle the HBA device
10054 * 0 - driver can claim the device
10055 * negative value - driver can not claim the device
10057 static int __devinit
10058 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
10061 struct lpfc_sli_intf intf
;
10063 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
, &intf
.word0
))
10066 if ((bf_get(lpfc_sli_intf_valid
, &intf
) == LPFC_SLI_INTF_VALID
) &&
10067 (bf_get(lpfc_sli_intf_slirev
, &intf
) == LPFC_SLI_INTF_REV_SLI4
))
10068 rc
= lpfc_pci_probe_one_s4(pdev
, pid
);
10070 rc
= lpfc_pci_probe_one_s3(pdev
, pid
);
10076 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
10077 * @pdev: pointer to PCI device
10079 * This routine is to be registered to the kernel's PCI subsystem. When an
10080 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
10081 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
10082 * remove routine, which will perform all the necessary cleanup for the
10083 * device to be removed from the PCI subsystem properly.
10085 static void __devexit
10086 lpfc_pci_remove_one(struct pci_dev
*pdev
)
10088 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10089 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10091 switch (phba
->pci_dev_grp
) {
10092 case LPFC_PCI_DEV_LP
:
10093 lpfc_pci_remove_one_s3(pdev
);
10095 case LPFC_PCI_DEV_OC
:
10096 lpfc_pci_remove_one_s4(pdev
);
10099 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10100 "1424 Invalid PCI device group: 0x%x\n",
10101 phba
->pci_dev_grp
);
10108 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
10109 * @pdev: pointer to PCI device
10110 * @msg: power management message
10112 * This routine is to be registered to the kernel's PCI subsystem to support
10113 * system Power Management (PM). When PM invokes this method, it dispatches
10114 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
10115 * suspend the device.
10118 * 0 - driver suspended the device
10122 lpfc_pci_suspend_one(struct pci_dev
*pdev
, pm_message_t msg
)
10124 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10125 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10128 switch (phba
->pci_dev_grp
) {
10129 case LPFC_PCI_DEV_LP
:
10130 rc
= lpfc_pci_suspend_one_s3(pdev
, msg
);
10132 case LPFC_PCI_DEV_OC
:
10133 rc
= lpfc_pci_suspend_one_s4(pdev
, msg
);
10136 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10137 "1425 Invalid PCI device group: 0x%x\n",
10138 phba
->pci_dev_grp
);
10145 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
10146 * @pdev: pointer to PCI device
10148 * This routine is to be registered to the kernel's PCI subsystem to support
10149 * system Power Management (PM). When PM invokes this method, it dispatches
10150 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
10151 * resume the device.
10154 * 0 - driver suspended the device
10158 lpfc_pci_resume_one(struct pci_dev
*pdev
)
10160 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10161 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10164 switch (phba
->pci_dev_grp
) {
10165 case LPFC_PCI_DEV_LP
:
10166 rc
= lpfc_pci_resume_one_s3(pdev
);
10168 case LPFC_PCI_DEV_OC
:
10169 rc
= lpfc_pci_resume_one_s4(pdev
);
10172 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10173 "1426 Invalid PCI device group: 0x%x\n",
10174 phba
->pci_dev_grp
);
10181 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
10182 * @pdev: pointer to PCI device.
10183 * @state: the current PCI connection state.
10185 * This routine is registered to the PCI subsystem for error handling. This
10186 * function is called by the PCI subsystem after a PCI bus error affecting
10187 * this device has been detected. When this routine is invoked, it dispatches
10188 * the action to the proper SLI-3 or SLI-4 device error detected handling
10189 * routine, which will perform the proper error detected operation.
10192 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10193 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10195 static pci_ers_result_t
10196 lpfc_io_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
10198 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10199 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10200 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
10202 switch (phba
->pci_dev_grp
) {
10203 case LPFC_PCI_DEV_LP
:
10204 rc
= lpfc_io_error_detected_s3(pdev
, state
);
10206 case LPFC_PCI_DEV_OC
:
10207 rc
= lpfc_io_error_detected_s4(pdev
, state
);
10210 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10211 "1427 Invalid PCI device group: 0x%x\n",
10212 phba
->pci_dev_grp
);
10219 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
10220 * @pdev: pointer to PCI device.
10222 * This routine is registered to the PCI subsystem for error handling. This
10223 * function is called after PCI bus has been reset to restart the PCI card
10224 * from scratch, as if from a cold-boot. When this routine is invoked, it
10225 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
10226 * routine, which will perform the proper device reset.
10229 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10230 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10232 static pci_ers_result_t
10233 lpfc_io_slot_reset(struct pci_dev
*pdev
)
10235 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10236 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10237 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
10239 switch (phba
->pci_dev_grp
) {
10240 case LPFC_PCI_DEV_LP
:
10241 rc
= lpfc_io_slot_reset_s3(pdev
);
10243 case LPFC_PCI_DEV_OC
:
10244 rc
= lpfc_io_slot_reset_s4(pdev
);
10247 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10248 "1428 Invalid PCI device group: 0x%x\n",
10249 phba
->pci_dev_grp
);
10256 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
10257 * @pdev: pointer to PCI device
10259 * This routine is registered to the PCI subsystem for error handling. It
10260 * is called when kernel error recovery tells the lpfc driver that it is
10261 * OK to resume normal PCI operation after PCI bus error recovery. When
10262 * this routine is invoked, it dispatches the action to the proper SLI-3
10263 * or SLI-4 device io_resume routine, which will resume the device operation.
10266 lpfc_io_resume(struct pci_dev
*pdev
)
10268 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10269 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10271 switch (phba
->pci_dev_grp
) {
10272 case LPFC_PCI_DEV_LP
:
10273 lpfc_io_resume_s3(pdev
);
10275 case LPFC_PCI_DEV_OC
:
10276 lpfc_io_resume_s4(pdev
);
10279 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10280 "1429 Invalid PCI device group: 0x%x\n",
10281 phba
->pci_dev_grp
);
10288 * lpfc_mgmt_open - method called when 'lpfcmgmt' is opened from userspace
10289 * @inode: pointer to the inode representing the lpfcmgmt device
10290 * @filep: pointer to the file representing the open lpfcmgmt device
10292 * This routine puts a reference count on the lpfc module whenever the
10293 * character device is opened
10296 lpfc_mgmt_open(struct inode
*inode
, struct file
*filep
)
10298 try_module_get(THIS_MODULE
);
10303 * lpfc_mgmt_release - method called when 'lpfcmgmt' is closed in userspace
10304 * @inode: pointer to the inode representing the lpfcmgmt device
10305 * @filep: pointer to the file representing the open lpfcmgmt device
10307 * This routine removes a reference count from the lpfc module when the
10308 * character device is closed
10311 lpfc_mgmt_release(struct inode
*inode
, struct file
*filep
)
10313 module_put(THIS_MODULE
);
10317 static struct pci_device_id lpfc_id_table
[] = {
10318 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
10319 PCI_ANY_ID
, PCI_ANY_ID
, },
10320 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
10321 PCI_ANY_ID
, PCI_ANY_ID
, },
10322 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
10323 PCI_ANY_ID
, PCI_ANY_ID
, },
10324 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
10325 PCI_ANY_ID
, PCI_ANY_ID
, },
10326 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
10327 PCI_ANY_ID
, PCI_ANY_ID
, },
10328 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
10329 PCI_ANY_ID
, PCI_ANY_ID
, },
10330 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
10331 PCI_ANY_ID
, PCI_ANY_ID
, },
10332 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
10333 PCI_ANY_ID
, PCI_ANY_ID
, },
10334 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
10335 PCI_ANY_ID
, PCI_ANY_ID
, },
10336 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
10337 PCI_ANY_ID
, PCI_ANY_ID
, },
10338 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
10339 PCI_ANY_ID
, PCI_ANY_ID
, },
10340 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
10341 PCI_ANY_ID
, PCI_ANY_ID
, },
10342 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
10343 PCI_ANY_ID
, PCI_ANY_ID
, },
10344 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
10345 PCI_ANY_ID
, PCI_ANY_ID
, },
10346 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
10347 PCI_ANY_ID
, PCI_ANY_ID
, },
10348 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
10349 PCI_ANY_ID
, PCI_ANY_ID
, },
10350 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
10351 PCI_ANY_ID
, PCI_ANY_ID
, },
10352 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
10353 PCI_ANY_ID
, PCI_ANY_ID
, },
10354 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HORNET
,
10355 PCI_ANY_ID
, PCI_ANY_ID
, },
10356 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
10357 PCI_ANY_ID
, PCI_ANY_ID
, },
10358 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
10359 PCI_ANY_ID
, PCI_ANY_ID
, },
10360 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
10361 PCI_ANY_ID
, PCI_ANY_ID
, },
10362 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
10363 PCI_ANY_ID
, PCI_ANY_ID
, },
10364 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
10365 PCI_ANY_ID
, PCI_ANY_ID
, },
10366 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
10367 PCI_ANY_ID
, PCI_ANY_ID
, },
10368 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
10369 PCI_ANY_ID
, PCI_ANY_ID
, },
10370 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
10371 PCI_ANY_ID
, PCI_ANY_ID
, },
10372 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
10373 PCI_ANY_ID
, PCI_ANY_ID
, },
10374 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT
,
10375 PCI_ANY_ID
, PCI_ANY_ID
, },
10376 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_MID
,
10377 PCI_ANY_ID
, PCI_ANY_ID
, },
10378 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SMB
,
10379 PCI_ANY_ID
, PCI_ANY_ID
, },
10380 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_DCSP
,
10381 PCI_ANY_ID
, PCI_ANY_ID
, },
10382 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SCSP
,
10383 PCI_ANY_ID
, PCI_ANY_ID
, },
10384 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_S
,
10385 PCI_ANY_ID
, PCI_ANY_ID
, },
10386 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_VF
,
10387 PCI_ANY_ID
, PCI_ANY_ID
, },
10388 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_PF
,
10389 PCI_ANY_ID
, PCI_ANY_ID
, },
10390 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_S
,
10391 PCI_ANY_ID
, PCI_ANY_ID
, },
10392 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TIGERSHARK
,
10393 PCI_ANY_ID
, PCI_ANY_ID
, },
10394 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TOMCAT
,
10395 PCI_ANY_ID
, PCI_ANY_ID
, },
10396 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FALCON
,
10397 PCI_ANY_ID
, PCI_ANY_ID
, },
10398 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BALIUS
,
10399 PCI_ANY_ID
, PCI_ANY_ID
, },
10400 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC
,
10401 PCI_ANY_ID
, PCI_ANY_ID
, },
10402 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE
,
10403 PCI_ANY_ID
, PCI_ANY_ID
, },
10404 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC_VF
,
10405 PCI_ANY_ID
, PCI_ANY_ID
, },
10406 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE_VF
,
10407 PCI_ANY_ID
, PCI_ANY_ID
, },
10408 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SKYHAWK
,
10409 PCI_ANY_ID
, PCI_ANY_ID
, },
10410 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SKYHAWK_VF
,
10411 PCI_ANY_ID
, PCI_ANY_ID
, },
10415 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
10417 static const struct pci_error_handlers lpfc_err_handler
= {
10418 .error_detected
= lpfc_io_error_detected
,
10419 .slot_reset
= lpfc_io_slot_reset
,
10420 .resume
= lpfc_io_resume
,
10423 static struct pci_driver lpfc_driver
= {
10424 .name
= LPFC_DRIVER_NAME
,
10425 .id_table
= lpfc_id_table
,
10426 .probe
= lpfc_pci_probe_one
,
10427 .remove
= __devexit_p(lpfc_pci_remove_one
),
10428 .suspend
= lpfc_pci_suspend_one
,
10429 .resume
= lpfc_pci_resume_one
,
10430 .err_handler
= &lpfc_err_handler
,
10433 static const struct file_operations lpfc_mgmt_fop
= {
10434 .open
= lpfc_mgmt_open
,
10435 .release
= lpfc_mgmt_release
,
10438 static struct miscdevice lpfc_mgmt_dev
= {
10439 .minor
= MISC_DYNAMIC_MINOR
,
10440 .name
= "lpfcmgmt",
10441 .fops
= &lpfc_mgmt_fop
,
10445 * lpfc_init - lpfc module initialization routine
10447 * This routine is to be invoked when the lpfc module is loaded into the
10448 * kernel. The special kernel macro module_init() is used to indicate the
10449 * role of this routine to the kernel as lpfc module entry point.
10453 * -ENOMEM - FC attach transport failed
10454 * all others - failed
10461 printk(LPFC_MODULE_DESC
"\n");
10462 printk(LPFC_COPYRIGHT
"\n");
10464 error
= misc_register(&lpfc_mgmt_dev
);
10466 printk(KERN_ERR
"Could not register lpfcmgmt device, "
10467 "misc_register returned with status %d", error
);
10469 if (lpfc_enable_npiv
) {
10470 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
10471 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
10473 lpfc_transport_template
=
10474 fc_attach_transport(&lpfc_transport_functions
);
10475 if (lpfc_transport_template
== NULL
)
10477 if (lpfc_enable_npiv
) {
10478 lpfc_vport_transport_template
=
10479 fc_attach_transport(&lpfc_vport_transport_functions
);
10480 if (lpfc_vport_transport_template
== NULL
) {
10481 fc_release_transport(lpfc_transport_template
);
10485 error
= pci_register_driver(&lpfc_driver
);
10487 fc_release_transport(lpfc_transport_template
);
10488 if (lpfc_enable_npiv
)
10489 fc_release_transport(lpfc_vport_transport_template
);
10496 * lpfc_exit - lpfc module removal routine
10498 * This routine is invoked when the lpfc module is removed from the kernel.
10499 * The special kernel macro module_exit() is used to indicate the role of
10500 * this routine to the kernel as lpfc module exit point.
10505 misc_deregister(&lpfc_mgmt_dev
);
10506 pci_unregister_driver(&lpfc_driver
);
10507 fc_release_transport(lpfc_transport_template
);
10508 if (lpfc_enable_npiv
)
10509 fc_release_transport(lpfc_vport_transport_template
);
10510 if (_dump_buf_data
) {
10511 printk(KERN_ERR
"9062 BLKGRD: freeing %lu pages for "
10512 "_dump_buf_data at 0x%p\n",
10513 (1L << _dump_buf_data_order
), _dump_buf_data
);
10514 free_pages((unsigned long)_dump_buf_data
, _dump_buf_data_order
);
10517 if (_dump_buf_dif
) {
10518 printk(KERN_ERR
"9049 BLKGRD: freeing %lu pages for "
10519 "_dump_buf_dif at 0x%p\n",
10520 (1L << _dump_buf_dif_order
), _dump_buf_dif
);
10521 free_pages((unsigned long)_dump_buf_dif
, _dump_buf_dif_order
);
10525 module_init(lpfc_init
);
10526 module_exit(lpfc_exit
);
10527 MODULE_LICENSE("GPL");
10528 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
10529 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
10530 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);