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
,
545 jiffies
+ msecs_to_jiffies(1000 * timeout
));
546 /* Set up heart beat (HB) timer */
547 mod_timer(&phba
->hb_tmofunc
,
548 jiffies
+ msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
549 phba
->hb_outstanding
= 0;
550 phba
->last_completion_time
= jiffies
;
551 /* Set up error attention (ERATT) polling timer */
552 mod_timer(&phba
->eratt_poll
,
553 jiffies
+ msecs_to_jiffies(1000 * LPFC_ERATT_POLL_INTERVAL
));
555 if (phba
->hba_flag
& LINK_DISABLED
) {
556 lpfc_printf_log(phba
,
558 "2598 Adapter Link is disabled.\n");
559 lpfc_down_link(phba
, pmb
);
560 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
561 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
562 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
563 lpfc_printf_log(phba
,
565 "2599 Adapter failed to issue DOWN_LINK"
566 " mbox command rc 0x%x\n", rc
);
568 mempool_free(pmb
, phba
->mbox_mem_pool
);
571 } else if (phba
->cfg_suppress_link_up
== LPFC_INITIALIZE_LINK
) {
572 mempool_free(pmb
, phba
->mbox_mem_pool
);
573 rc
= phba
->lpfc_hba_init_link(phba
, MBX_NOWAIT
);
577 /* MBOX buffer will be freed in mbox compl */
578 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
580 phba
->link_state
= LPFC_HBA_ERROR
;
584 lpfc_config_async(phba
, pmb
, LPFC_ELS_RING
);
585 pmb
->mbox_cmpl
= lpfc_config_async_cmpl
;
586 pmb
->vport
= phba
->pport
;
587 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
589 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
590 lpfc_printf_log(phba
,
593 "0456 Adapter failed to issue "
594 "ASYNCEVT_ENABLE mbox status x%x\n",
596 mempool_free(pmb
, phba
->mbox_mem_pool
);
599 /* Get Option rom version */
600 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
602 phba
->link_state
= LPFC_HBA_ERROR
;
606 lpfc_dump_wakeup_param(phba
, pmb
);
607 pmb
->mbox_cmpl
= lpfc_dump_wakeup_param_cmpl
;
608 pmb
->vport
= phba
->pport
;
609 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
611 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
612 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
, "0435 Adapter failed "
613 "to get Option ROM version status x%x\n", rc
);
614 mempool_free(pmb
, phba
->mbox_mem_pool
);
621 * lpfc_hba_init_link - Initialize the FC link
622 * @phba: pointer to lpfc hba data structure.
623 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
625 * This routine will issue the INIT_LINK mailbox command call.
626 * It is available to other drivers through the lpfc_hba data
627 * structure for use as a delayed link up mechanism with the
628 * module parameter lpfc_suppress_link_up.
632 * Any other value - error
635 lpfc_hba_init_link(struct lpfc_hba
*phba
, uint32_t flag
)
637 return lpfc_hba_init_link_fc_topology(phba
, phba
->cfg_topology
, flag
);
641 * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology
642 * @phba: pointer to lpfc hba data structure.
643 * @fc_topology: desired fc topology.
644 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
646 * This routine will issue the INIT_LINK mailbox command call.
647 * It is available to other drivers through the lpfc_hba data
648 * structure for use as a delayed link up mechanism with the
649 * module parameter lpfc_suppress_link_up.
653 * Any other value - error
656 lpfc_hba_init_link_fc_topology(struct lpfc_hba
*phba
, uint32_t fc_topology
,
659 struct lpfc_vport
*vport
= phba
->pport
;
664 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
666 phba
->link_state
= LPFC_HBA_ERROR
;
672 if ((phba
->cfg_link_speed
> LPFC_USER_LINK_SPEED_MAX
) ||
673 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_1G
) &&
674 !(phba
->lmt
& LMT_1Gb
)) ||
675 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_2G
) &&
676 !(phba
->lmt
& LMT_2Gb
)) ||
677 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_4G
) &&
678 !(phba
->lmt
& LMT_4Gb
)) ||
679 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_8G
) &&
680 !(phba
->lmt
& LMT_8Gb
)) ||
681 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_10G
) &&
682 !(phba
->lmt
& LMT_10Gb
)) ||
683 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_16G
) &&
684 !(phba
->lmt
& LMT_16Gb
))) {
685 /* Reset link speed to auto */
686 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
687 "1302 Invalid speed for this board:%d "
688 "Reset link speed to auto.\n",
689 phba
->cfg_link_speed
);
690 phba
->cfg_link_speed
= LPFC_USER_LINK_SPEED_AUTO
;
692 lpfc_init_link(phba
, pmb
, fc_topology
, phba
->cfg_link_speed
);
693 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
694 if (phba
->sli_rev
< LPFC_SLI_REV4
)
695 lpfc_set_loopback_flag(phba
);
696 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
697 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
698 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
699 "0498 Adapter failed to init, mbxCmd x%x "
700 "INIT_LINK, mbxStatus x%x\n",
701 mb
->mbxCommand
, mb
->mbxStatus
);
702 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
703 /* Clear all interrupt enable conditions */
704 writel(0, phba
->HCregaddr
);
705 readl(phba
->HCregaddr
); /* flush */
706 /* Clear all pending interrupts */
707 writel(0xffffffff, phba
->HAregaddr
);
708 readl(phba
->HAregaddr
); /* flush */
710 phba
->link_state
= LPFC_HBA_ERROR
;
711 if (rc
!= MBX_BUSY
|| flag
== MBX_POLL
)
712 mempool_free(pmb
, phba
->mbox_mem_pool
);
715 phba
->cfg_suppress_link_up
= LPFC_INITIALIZE_LINK
;
716 if (flag
== MBX_POLL
)
717 mempool_free(pmb
, phba
->mbox_mem_pool
);
723 * lpfc_hba_down_link - this routine downs the FC link
724 * @phba: pointer to lpfc hba data structure.
725 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
727 * This routine will issue the DOWN_LINK mailbox command call.
728 * It is available to other drivers through the lpfc_hba data
729 * structure for use to stop the link.
733 * Any other value - error
736 lpfc_hba_down_link(struct lpfc_hba
*phba
, uint32_t flag
)
741 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
743 phba
->link_state
= LPFC_HBA_ERROR
;
747 lpfc_printf_log(phba
,
749 "0491 Adapter Link is disabled.\n");
750 lpfc_down_link(phba
, pmb
);
751 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
752 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
753 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
754 lpfc_printf_log(phba
,
756 "2522 Adapter failed to issue DOWN_LINK"
757 " mbox command rc 0x%x\n", rc
);
759 mempool_free(pmb
, phba
->mbox_mem_pool
);
762 if (flag
== MBX_POLL
)
763 mempool_free(pmb
, phba
->mbox_mem_pool
);
769 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
770 * @phba: pointer to lpfc HBA data structure.
772 * This routine will do LPFC uninitialization before the HBA is reset when
773 * bringing down the SLI Layer.
777 * Any other value - error.
780 lpfc_hba_down_prep(struct lpfc_hba
*phba
)
782 struct lpfc_vport
**vports
;
785 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
786 /* Disable interrupts */
787 writel(0, phba
->HCregaddr
);
788 readl(phba
->HCregaddr
); /* flush */
791 if (phba
->pport
->load_flag
& FC_UNLOADING
)
792 lpfc_cleanup_discovery_resources(phba
->pport
);
794 vports
= lpfc_create_vport_work_array(phba
);
796 for (i
= 0; i
<= phba
->max_vports
&&
797 vports
[i
] != NULL
; i
++)
798 lpfc_cleanup_discovery_resources(vports
[i
]);
799 lpfc_destroy_vport_work_array(phba
, vports
);
805 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
806 * @phba: pointer to lpfc HBA data structure.
808 * This routine will do uninitialization after the HBA is reset when bring
809 * down the SLI Layer.
813 * Any other value - error.
816 lpfc_hba_down_post_s3(struct lpfc_hba
*phba
)
818 struct lpfc_sli
*psli
= &phba
->sli
;
819 struct lpfc_sli_ring
*pring
;
820 struct lpfc_dmabuf
*mp
, *next_mp
;
821 LIST_HEAD(completions
);
824 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)
825 lpfc_sli_hbqbuf_free_all(phba
);
827 /* Cleanup preposted buffers on the ELS ring */
828 pring
= &psli
->ring
[LPFC_ELS_RING
];
829 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
831 pring
->postbufq_cnt
--;
832 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
837 spin_lock_irq(&phba
->hbalock
);
838 for (i
= 0; i
< psli
->num_rings
; i
++) {
839 pring
= &psli
->ring
[i
];
841 /* At this point in time the HBA is either reset or DOA. Either
842 * way, nothing should be on txcmplq as it will NEVER complete.
844 list_splice_init(&pring
->txcmplq
, &completions
);
845 spin_unlock_irq(&phba
->hbalock
);
847 /* Cancel all the IOCBs from the completions list */
848 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
851 lpfc_sli_abort_iocb_ring(phba
, pring
);
852 spin_lock_irq(&phba
->hbalock
);
854 spin_unlock_irq(&phba
->hbalock
);
860 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
861 * @phba: pointer to lpfc HBA data structure.
863 * This routine will do uninitialization after the HBA is reset when bring
864 * down the SLI Layer.
868 * Any other value - error.
871 lpfc_hba_down_post_s4(struct lpfc_hba
*phba
)
873 struct lpfc_scsi_buf
*psb
, *psb_next
;
876 unsigned long iflag
= 0;
877 struct lpfc_sglq
*sglq_entry
= NULL
;
879 ret
= lpfc_hba_down_post_s3(phba
);
882 /* At this point in time the HBA is either reset or DOA. Either
883 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
884 * on the lpfc_sgl_list so that it can either be freed if the
885 * driver is unloading or reposted if the driver is restarting
888 spin_lock_irq(&phba
->hbalock
); /* required for lpfc_sgl_list and */
890 /* abts_sgl_list_lock required because worker thread uses this
893 spin_lock(&phba
->sli4_hba
.abts_sgl_list_lock
);
894 list_for_each_entry(sglq_entry
,
895 &phba
->sli4_hba
.lpfc_abts_els_sgl_list
, list
)
896 sglq_entry
->state
= SGL_FREED
;
898 list_splice_init(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
,
899 &phba
->sli4_hba
.lpfc_sgl_list
);
900 spin_unlock(&phba
->sli4_hba
.abts_sgl_list_lock
);
901 /* abts_scsi_buf_list_lock required because worker thread uses this
904 spin_lock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
905 list_splice_init(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
,
907 spin_unlock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
908 spin_unlock_irq(&phba
->hbalock
);
910 list_for_each_entry_safe(psb
, psb_next
, &aborts
, list
) {
912 psb
->status
= IOSTAT_SUCCESS
;
914 spin_lock_irqsave(&phba
->scsi_buf_list_put_lock
, iflag
);
915 list_splice(&aborts
, &phba
->lpfc_scsi_buf_list_put
);
916 spin_unlock_irqrestore(&phba
->scsi_buf_list_put_lock
, iflag
);
921 * lpfc_hba_down_post - Wrapper func for hba down post routine
922 * @phba: pointer to lpfc HBA data structure.
924 * This routine wraps the actual SLI3 or SLI4 routine for performing
925 * uninitialization after the HBA is reset when bring down the SLI Layer.
929 * Any other value - error.
932 lpfc_hba_down_post(struct lpfc_hba
*phba
)
934 return (*phba
->lpfc_hba_down_post
)(phba
);
938 * lpfc_hb_timeout - The HBA-timer timeout handler
939 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
941 * This is the HBA-timer timeout handler registered to the lpfc driver. When
942 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
943 * work-port-events bitmap and the worker thread is notified. This timeout
944 * event will be used by the worker thread to invoke the actual timeout
945 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
946 * be performed in the timeout handler and the HBA timeout event bit shall
947 * be cleared by the worker thread after it has taken the event bitmap out.
950 lpfc_hb_timeout(unsigned long ptr
)
952 struct lpfc_hba
*phba
;
956 phba
= (struct lpfc_hba
*)ptr
;
958 /* Check for heart beat timeout conditions */
959 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
960 tmo_posted
= phba
->pport
->work_port_events
& WORKER_HB_TMO
;
962 phba
->pport
->work_port_events
|= WORKER_HB_TMO
;
963 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
965 /* Tell the worker thread there is work to do */
967 lpfc_worker_wake_up(phba
);
972 * lpfc_rrq_timeout - The RRQ-timer timeout handler
973 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
975 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
976 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
977 * work-port-events bitmap and the worker thread is notified. This timeout
978 * event will be used by the worker thread to invoke the actual timeout
979 * handler routine, lpfc_rrq_handler. Any periodical operations will
980 * be performed in the timeout handler and the RRQ timeout event bit shall
981 * be cleared by the worker thread after it has taken the event bitmap out.
984 lpfc_rrq_timeout(unsigned long ptr
)
986 struct lpfc_hba
*phba
;
989 phba
= (struct lpfc_hba
*)ptr
;
990 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
991 phba
->hba_flag
|= HBA_RRQ_ACTIVE
;
992 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
993 lpfc_worker_wake_up(phba
);
997 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
998 * @phba: pointer to lpfc hba data structure.
999 * @pmboxq: pointer to the driver internal queue element for mailbox command.
1001 * This is the callback function to the lpfc heart-beat mailbox command.
1002 * If configured, the lpfc driver issues the heart-beat mailbox command to
1003 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
1004 * heart-beat mailbox command is issued, the driver shall set up heart-beat
1005 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
1006 * heart-beat outstanding state. Once the mailbox command comes back and
1007 * no error conditions detected, the heart-beat mailbox command timer is
1008 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1009 * state is cleared for the next heart-beat. If the timer expired with the
1010 * heart-beat outstanding state set, the driver will put the HBA offline.
1013 lpfc_hb_mbox_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
1015 unsigned long drvr_flag
;
1017 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
1018 phba
->hb_outstanding
= 0;
1019 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
1021 /* Check and reset heart-beat timer is necessary */
1022 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1023 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
) &&
1024 !(phba
->link_state
== LPFC_HBA_ERROR
) &&
1025 !(phba
->pport
->load_flag
& FC_UNLOADING
))
1026 mod_timer(&phba
->hb_tmofunc
,
1028 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
1033 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
1034 * @phba: pointer to lpfc hba data structure.
1036 * This is the actual HBA-timer timeout handler to be invoked by the worker
1037 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1038 * handler performs any periodic operations needed for the device. If such
1039 * periodic event has already been attended to either in the interrupt handler
1040 * or by processing slow-ring or fast-ring events within the HBA-timer
1041 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1042 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1043 * is configured and there is no heart-beat mailbox command outstanding, a
1044 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1045 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1049 lpfc_hb_timeout_handler(struct lpfc_hba
*phba
)
1051 struct lpfc_vport
**vports
;
1052 LPFC_MBOXQ_t
*pmboxq
;
1053 struct lpfc_dmabuf
*buf_ptr
;
1055 struct lpfc_sli
*psli
= &phba
->sli
;
1056 LIST_HEAD(completions
);
1058 vports
= lpfc_create_vport_work_array(phba
);
1060 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
1061 lpfc_rcv_seq_check_edtov(vports
[i
]);
1062 lpfc_destroy_vport_work_array(phba
, vports
);
1064 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
1065 (phba
->pport
->load_flag
& FC_UNLOADING
) ||
1066 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
1069 spin_lock_irq(&phba
->pport
->work_port_lock
);
1071 if (time_after(phba
->last_completion_time
+
1072 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
),
1074 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1075 if (!phba
->hb_outstanding
)
1076 mod_timer(&phba
->hb_tmofunc
,
1078 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
1080 mod_timer(&phba
->hb_tmofunc
,
1082 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1085 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1087 if (phba
->elsbuf_cnt
&&
1088 (phba
->elsbuf_cnt
== phba
->elsbuf_prev_cnt
)) {
1089 spin_lock_irq(&phba
->hbalock
);
1090 list_splice_init(&phba
->elsbuf
, &completions
);
1091 phba
->elsbuf_cnt
= 0;
1092 phba
->elsbuf_prev_cnt
= 0;
1093 spin_unlock_irq(&phba
->hbalock
);
1095 while (!list_empty(&completions
)) {
1096 list_remove_head(&completions
, buf_ptr
,
1097 struct lpfc_dmabuf
, list
);
1098 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
1102 phba
->elsbuf_prev_cnt
= phba
->elsbuf_cnt
;
1104 /* If there is no heart beat outstanding, issue a heartbeat command */
1105 if (phba
->cfg_enable_hba_heartbeat
) {
1106 if (!phba
->hb_outstanding
) {
1107 if ((!(psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
)) &&
1108 (list_empty(&psli
->mboxq
))) {
1109 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,
1112 mod_timer(&phba
->hb_tmofunc
,
1114 msecs_to_jiffies(1000 *
1115 LPFC_HB_MBOX_INTERVAL
));
1119 lpfc_heart_beat(phba
, pmboxq
);
1120 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
1121 pmboxq
->vport
= phba
->pport
;
1122 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
,
1125 if (retval
!= MBX_BUSY
&&
1126 retval
!= MBX_SUCCESS
) {
1127 mempool_free(pmboxq
,
1128 phba
->mbox_mem_pool
);
1129 mod_timer(&phba
->hb_tmofunc
,
1131 msecs_to_jiffies(1000 *
1132 LPFC_HB_MBOX_INTERVAL
));
1135 phba
->skipped_hb
= 0;
1136 phba
->hb_outstanding
= 1;
1137 } else if (time_before_eq(phba
->last_completion_time
,
1138 phba
->skipped_hb
)) {
1139 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1140 "2857 Last completion time not "
1141 " updated in %d ms\n",
1142 jiffies_to_msecs(jiffies
1143 - phba
->last_completion_time
));
1145 phba
->skipped_hb
= jiffies
;
1147 mod_timer(&phba
->hb_tmofunc
,
1149 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1153 * If heart beat timeout called with hb_outstanding set
1154 * we need to give the hb mailbox cmd a chance to
1157 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1158 "0459 Adapter heartbeat still out"
1159 "standing:last compl time was %d ms.\n",
1160 jiffies_to_msecs(jiffies
1161 - phba
->last_completion_time
));
1162 mod_timer(&phba
->hb_tmofunc
,
1164 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1170 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
1171 * @phba: pointer to lpfc hba data structure.
1173 * This routine is called to bring the HBA offline when HBA hardware error
1174 * other than Port Error 6 has been detected.
1177 lpfc_offline_eratt(struct lpfc_hba
*phba
)
1179 struct lpfc_sli
*psli
= &phba
->sli
;
1181 spin_lock_irq(&phba
->hbalock
);
1182 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1183 spin_unlock_irq(&phba
->hbalock
);
1184 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1187 lpfc_reset_barrier(phba
);
1188 spin_lock_irq(&phba
->hbalock
);
1189 lpfc_sli_brdreset(phba
);
1190 spin_unlock_irq(&phba
->hbalock
);
1191 lpfc_hba_down_post(phba
);
1192 lpfc_sli_brdready(phba
, HS_MBRDY
);
1193 lpfc_unblock_mgmt_io(phba
);
1194 phba
->link_state
= LPFC_HBA_ERROR
;
1199 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1200 * @phba: pointer to lpfc hba data structure.
1202 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1203 * other than Port Error 6 has been detected.
1206 lpfc_sli4_offline_eratt(struct lpfc_hba
*phba
)
1208 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1210 lpfc_sli4_brdreset(phba
);
1211 lpfc_hba_down_post(phba
);
1212 lpfc_sli4_post_status_check(phba
);
1213 lpfc_unblock_mgmt_io(phba
);
1214 phba
->link_state
= LPFC_HBA_ERROR
;
1218 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1219 * @phba: pointer to lpfc hba data structure.
1221 * This routine is invoked to handle the deferred HBA hardware error
1222 * conditions. This type of error is indicated by HBA by setting ER1
1223 * and another ER bit in the host status register. The driver will
1224 * wait until the ER1 bit clears before handling the error condition.
1227 lpfc_handle_deferred_eratt(struct lpfc_hba
*phba
)
1229 uint32_t old_host_status
= phba
->work_hs
;
1230 struct lpfc_sli_ring
*pring
;
1231 struct lpfc_sli
*psli
= &phba
->sli
;
1233 /* If the pci channel is offline, ignore possible errors,
1234 * since we cannot communicate with the pci card anyway.
1236 if (pci_channel_offline(phba
->pcidev
)) {
1237 spin_lock_irq(&phba
->hbalock
);
1238 phba
->hba_flag
&= ~DEFER_ERATT
;
1239 spin_unlock_irq(&phba
->hbalock
);
1243 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1244 "0479 Deferred Adapter Hardware Error "
1245 "Data: x%x x%x x%x\n",
1247 phba
->work_status
[0], phba
->work_status
[1]);
1249 spin_lock_irq(&phba
->hbalock
);
1250 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1251 spin_unlock_irq(&phba
->hbalock
);
1255 * Firmware stops when it triggred erratt. That could cause the I/Os
1256 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1257 * SCSI layer retry it after re-establishing link.
1259 pring
= &psli
->ring
[psli
->fcp_ring
];
1260 lpfc_sli_abort_iocb_ring(phba
, pring
);
1263 * There was a firmware error. Take the hba offline and then
1264 * attempt to restart it.
1266 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
1269 /* Wait for the ER1 bit to clear.*/
1270 while (phba
->work_hs
& HS_FFER1
) {
1272 if (lpfc_readl(phba
->HSregaddr
, &phba
->work_hs
)) {
1273 phba
->work_hs
= UNPLUG_ERR
;
1276 /* If driver is unloading let the worker thread continue */
1277 if (phba
->pport
->load_flag
& FC_UNLOADING
) {
1284 * This is to ptrotect against a race condition in which
1285 * first write to the host attention register clear the
1286 * host status register.
1288 if ((!phba
->work_hs
) && (!(phba
->pport
->load_flag
& FC_UNLOADING
)))
1289 phba
->work_hs
= old_host_status
& ~HS_FFER1
;
1291 spin_lock_irq(&phba
->hbalock
);
1292 phba
->hba_flag
&= ~DEFER_ERATT
;
1293 spin_unlock_irq(&phba
->hbalock
);
1294 phba
->work_status
[0] = readl(phba
->MBslimaddr
+ 0xa8);
1295 phba
->work_status
[1] = readl(phba
->MBslimaddr
+ 0xac);
1299 lpfc_board_errevt_to_mgmt(struct lpfc_hba
*phba
)
1301 struct lpfc_board_event_header board_event
;
1302 struct Scsi_Host
*shost
;
1304 board_event
.event_type
= FC_REG_BOARD_EVENT
;
1305 board_event
.subcategory
= LPFC_EVENT_PORTINTERR
;
1306 shost
= lpfc_shost_from_vport(phba
->pport
);
1307 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1308 sizeof(board_event
),
1309 (char *) &board_event
,
1314 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
1315 * @phba: pointer to lpfc hba data structure.
1317 * This routine is invoked to handle the following HBA hardware error
1319 * 1 - HBA error attention interrupt
1320 * 2 - DMA ring index out of range
1321 * 3 - Mailbox command came back as unknown
1324 lpfc_handle_eratt_s3(struct lpfc_hba
*phba
)
1326 struct lpfc_vport
*vport
= phba
->pport
;
1327 struct lpfc_sli
*psli
= &phba
->sli
;
1328 struct lpfc_sli_ring
*pring
;
1329 uint32_t event_data
;
1330 unsigned long temperature
;
1331 struct temp_event temp_event_data
;
1332 struct Scsi_Host
*shost
;
1334 /* If the pci channel is offline, ignore possible errors,
1335 * since we cannot communicate with the pci card anyway.
1337 if (pci_channel_offline(phba
->pcidev
)) {
1338 spin_lock_irq(&phba
->hbalock
);
1339 phba
->hba_flag
&= ~DEFER_ERATT
;
1340 spin_unlock_irq(&phba
->hbalock
);
1344 /* If resets are disabled then leave the HBA alone and return */
1345 if (!phba
->cfg_enable_hba_reset
)
1348 /* Send an internal error event to mgmt application */
1349 lpfc_board_errevt_to_mgmt(phba
);
1351 if (phba
->hba_flag
& DEFER_ERATT
)
1352 lpfc_handle_deferred_eratt(phba
);
1354 if ((phba
->work_hs
& HS_FFER6
) || (phba
->work_hs
& HS_FFER8
)) {
1355 if (phba
->work_hs
& HS_FFER6
)
1356 /* Re-establishing Link */
1357 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1358 "1301 Re-establishing Link "
1359 "Data: x%x x%x x%x\n",
1360 phba
->work_hs
, phba
->work_status
[0],
1361 phba
->work_status
[1]);
1362 if (phba
->work_hs
& HS_FFER8
)
1363 /* Device Zeroization */
1364 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1365 "2861 Host Authentication device "
1366 "zeroization Data:x%x x%x x%x\n",
1367 phba
->work_hs
, phba
->work_status
[0],
1368 phba
->work_status
[1]);
1370 spin_lock_irq(&phba
->hbalock
);
1371 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1372 spin_unlock_irq(&phba
->hbalock
);
1375 * Firmware stops when it triggled erratt with HS_FFER6.
1376 * That could cause the I/Os dropped by the firmware.
1377 * Error iocb (I/O) on txcmplq and let the SCSI layer
1378 * retry it after re-establishing link.
1380 pring
= &psli
->ring
[psli
->fcp_ring
];
1381 lpfc_sli_abort_iocb_ring(phba
, pring
);
1384 * There was a firmware error. Take the hba offline and then
1385 * attempt to restart it.
1387 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1389 lpfc_sli_brdrestart(phba
);
1390 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
1391 lpfc_unblock_mgmt_io(phba
);
1394 lpfc_unblock_mgmt_io(phba
);
1395 } else if (phba
->work_hs
& HS_CRIT_TEMP
) {
1396 temperature
= readl(phba
->MBslimaddr
+ TEMPERATURE_OFFSET
);
1397 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1398 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1399 temp_event_data
.data
= (uint32_t)temperature
;
1401 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1402 "0406 Adapter maximum temperature exceeded "
1403 "(%ld), taking this port offline "
1404 "Data: x%x x%x x%x\n",
1405 temperature
, phba
->work_hs
,
1406 phba
->work_status
[0], phba
->work_status
[1]);
1408 shost
= lpfc_shost_from_vport(phba
->pport
);
1409 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1410 sizeof(temp_event_data
),
1411 (char *) &temp_event_data
,
1412 SCSI_NL_VID_TYPE_PCI
1413 | PCI_VENDOR_ID_EMULEX
);
1415 spin_lock_irq(&phba
->hbalock
);
1416 phba
->over_temp_state
= HBA_OVER_TEMP
;
1417 spin_unlock_irq(&phba
->hbalock
);
1418 lpfc_offline_eratt(phba
);
1421 /* The if clause above forces this code path when the status
1422 * failure is a value other than FFER6. Do not call the offline
1423 * twice. This is the adapter hardware error path.
1425 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1426 "0457 Adapter Hardware Error "
1427 "Data: x%x x%x x%x\n",
1429 phba
->work_status
[0], phba
->work_status
[1]);
1431 event_data
= FC_REG_DUMP_EVENT
;
1432 shost
= lpfc_shost_from_vport(vport
);
1433 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1434 sizeof(event_data
), (char *) &event_data
,
1435 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1437 lpfc_offline_eratt(phba
);
1443 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
1444 * @phba: pointer to lpfc hba data structure.
1445 * @mbx_action: flag for mailbox shutdown action.
1447 * This routine is invoked to perform an SLI4 port PCI function reset in
1448 * response to port status register polling attention. It waits for port
1449 * status register (ERR, RDY, RN) bits before proceeding with function reset.
1450 * During this process, interrupt vectors are freed and later requested
1451 * for handling possible port resource change.
1454 lpfc_sli4_port_sta_fn_reset(struct lpfc_hba
*phba
, int mbx_action
)
1460 * On error status condition, driver need to wait for port
1461 * ready before performing reset.
1463 rc
= lpfc_sli4_pdev_status_reg_wait(phba
);
1465 /* need reset: attempt for port recovery */
1466 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1467 "2887 Reset Needed: Attempting Port "
1469 lpfc_offline_prep(phba
, mbx_action
);
1471 /* release interrupt for possible resource change */
1472 lpfc_sli4_disable_intr(phba
);
1473 lpfc_sli_brdrestart(phba
);
1474 /* request and enable interrupt */
1475 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
1476 if (intr_mode
== LPFC_INTR_ERROR
) {
1477 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1478 "3175 Failed to enable interrupt\n");
1481 phba
->intr_mode
= intr_mode
;
1483 rc
= lpfc_online(phba
);
1485 lpfc_unblock_mgmt_io(phba
);
1491 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1492 * @phba: pointer to lpfc hba data structure.
1494 * This routine is invoked to handle the SLI4 HBA hardware error attention
1498 lpfc_handle_eratt_s4(struct lpfc_hba
*phba
)
1500 struct lpfc_vport
*vport
= phba
->pport
;
1501 uint32_t event_data
;
1502 struct Scsi_Host
*shost
;
1504 struct lpfc_register portstat_reg
= {0};
1505 uint32_t reg_err1
, reg_err2
;
1506 uint32_t uerrlo_reg
, uemasklo_reg
;
1507 uint32_t pci_rd_rc1
, pci_rd_rc2
;
1510 /* If the pci channel is offline, ignore possible errors, since
1511 * we cannot communicate with the pci card anyway.
1513 if (pci_channel_offline(phba
->pcidev
))
1515 /* If resets are disabled then leave the HBA alone and return */
1516 if (!phba
->cfg_enable_hba_reset
)
1519 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
1521 case LPFC_SLI_INTF_IF_TYPE_0
:
1522 pci_rd_rc1
= lpfc_readl(
1523 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
,
1525 pci_rd_rc2
= lpfc_readl(
1526 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
,
1528 /* consider PCI bus read error as pci_channel_offline */
1529 if (pci_rd_rc1
== -EIO
&& pci_rd_rc2
== -EIO
)
1531 lpfc_sli4_offline_eratt(phba
);
1533 case LPFC_SLI_INTF_IF_TYPE_2
:
1534 pci_rd_rc1
= lpfc_readl(
1535 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
1536 &portstat_reg
.word0
);
1537 /* consider PCI bus read error as pci_channel_offline */
1538 if (pci_rd_rc1
== -EIO
) {
1539 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1540 "3151 PCI bus read access failure: x%x\n",
1541 readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
));
1544 reg_err1
= readl(phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
1545 reg_err2
= readl(phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
1546 if (bf_get(lpfc_sliport_status_oti
, &portstat_reg
)) {
1547 /* TODO: Register for Overtemp async events. */
1548 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1549 "2889 Port Overtemperature event, "
1550 "taking port offline\n");
1551 spin_lock_irq(&phba
->hbalock
);
1552 phba
->over_temp_state
= HBA_OVER_TEMP
;
1553 spin_unlock_irq(&phba
->hbalock
);
1554 lpfc_sli4_offline_eratt(phba
);
1557 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1558 reg_err2
== SLIPORT_ERR2_REG_FW_RESTART
)
1559 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1560 "3143 Port Down: Firmware Restarted\n");
1561 else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1562 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1563 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1564 "3144 Port Down: Debug Dump\n");
1565 else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1566 reg_err2
== SLIPORT_ERR2_REG_FUNC_PROVISON
)
1567 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1568 "3145 Port Down: Provisioning\n");
1570 /* Check port status register for function reset */
1571 rc
= lpfc_sli4_port_sta_fn_reset(phba
, LPFC_MBX_NO_WAIT
);
1573 /* don't report event on forced debug dump */
1574 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1575 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1580 /* fall through for not able to recover */
1581 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1582 "3152 Unrecoverable error, bring the port "
1584 lpfc_sli4_offline_eratt(phba
);
1586 case LPFC_SLI_INTF_IF_TYPE_1
:
1590 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1591 "3123 Report dump event to upper layer\n");
1592 /* Send an internal error event to mgmt application */
1593 lpfc_board_errevt_to_mgmt(phba
);
1595 event_data
= FC_REG_DUMP_EVENT
;
1596 shost
= lpfc_shost_from_vport(vport
);
1597 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1598 sizeof(event_data
), (char *) &event_data
,
1599 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1603 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1604 * @phba: pointer to lpfc HBA data structure.
1606 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1607 * routine from the API jump table function pointer from the lpfc_hba struct.
1611 * Any other value - error.
1614 lpfc_handle_eratt(struct lpfc_hba
*phba
)
1616 (*phba
->lpfc_handle_eratt
)(phba
);
1620 * lpfc_handle_latt - The HBA link event handler
1621 * @phba: pointer to lpfc hba data structure.
1623 * This routine is invoked from the worker thread to handle a HBA host
1624 * attention link event.
1627 lpfc_handle_latt(struct lpfc_hba
*phba
)
1629 struct lpfc_vport
*vport
= phba
->pport
;
1630 struct lpfc_sli
*psli
= &phba
->sli
;
1632 volatile uint32_t control
;
1633 struct lpfc_dmabuf
*mp
;
1636 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1639 goto lpfc_handle_latt_err_exit
;
1642 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
1645 goto lpfc_handle_latt_free_pmb
;
1648 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
1651 goto lpfc_handle_latt_free_mp
;
1654 /* Cleanup any outstanding ELS commands */
1655 lpfc_els_flush_all_cmd(phba
);
1657 psli
->slistat
.link_event
++;
1658 lpfc_read_topology(phba
, pmb
, mp
);
1659 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
1661 /* Block ELS IOCBs until we have processed this mbox command */
1662 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
1663 rc
= lpfc_sli_issue_mbox (phba
, pmb
, MBX_NOWAIT
);
1664 if (rc
== MBX_NOT_FINISHED
) {
1666 goto lpfc_handle_latt_free_mbuf
;
1669 /* Clear Link Attention in HA REG */
1670 spin_lock_irq(&phba
->hbalock
);
1671 writel(HA_LATT
, phba
->HAregaddr
);
1672 readl(phba
->HAregaddr
); /* flush */
1673 spin_unlock_irq(&phba
->hbalock
);
1677 lpfc_handle_latt_free_mbuf
:
1678 phba
->sli
.ring
[LPFC_ELS_RING
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
1679 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1680 lpfc_handle_latt_free_mp
:
1682 lpfc_handle_latt_free_pmb
:
1683 mempool_free(pmb
, phba
->mbox_mem_pool
);
1684 lpfc_handle_latt_err_exit
:
1685 /* Enable Link attention interrupts */
1686 spin_lock_irq(&phba
->hbalock
);
1687 psli
->sli_flag
|= LPFC_PROCESS_LA
;
1688 control
= readl(phba
->HCregaddr
);
1689 control
|= HC_LAINT_ENA
;
1690 writel(control
, phba
->HCregaddr
);
1691 readl(phba
->HCregaddr
); /* flush */
1693 /* Clear Link Attention in HA REG */
1694 writel(HA_LATT
, phba
->HAregaddr
);
1695 readl(phba
->HAregaddr
); /* flush */
1696 spin_unlock_irq(&phba
->hbalock
);
1697 lpfc_linkdown(phba
);
1698 phba
->link_state
= LPFC_HBA_ERROR
;
1700 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1701 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc
);
1707 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
1708 * @phba: pointer to lpfc hba data structure.
1709 * @vpd: pointer to the vital product data.
1710 * @len: length of the vital product data in bytes.
1712 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1713 * an array of characters. In this routine, the ModelName, ProgramType, and
1714 * ModelDesc, etc. fields of the phba data structure will be populated.
1717 * 0 - pointer to the VPD passed in is NULL
1721 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
1723 uint8_t lenlo
, lenhi
;
1733 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1734 "0455 Vital Product Data: x%x x%x x%x x%x\n",
1735 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
1737 while (!finished
&& (index
< (len
- 4))) {
1738 switch (vpd
[index
]) {
1746 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1755 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1756 if (Length
> len
- index
)
1757 Length
= len
- index
;
1758 while (Length
> 0) {
1759 /* Look for Serial Number */
1760 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
1767 phba
->SerialNumber
[j
++] = vpd
[index
++];
1771 phba
->SerialNumber
[j
] = 0;
1774 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
1775 phba
->vpd_flag
|= VPD_MODEL_DESC
;
1782 phba
->ModelDesc
[j
++] = vpd
[index
++];
1786 phba
->ModelDesc
[j
] = 0;
1789 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
1790 phba
->vpd_flag
|= VPD_MODEL_NAME
;
1797 phba
->ModelName
[j
++] = vpd
[index
++];
1801 phba
->ModelName
[j
] = 0;
1804 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
1805 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
1812 phba
->ProgramType
[j
++] = vpd
[index
++];
1816 phba
->ProgramType
[j
] = 0;
1819 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
1820 phba
->vpd_flag
|= VPD_PORT
;
1827 if ((phba
->sli_rev
== LPFC_SLI_REV4
) &&
1828 (phba
->sli4_hba
.pport_name_sta
==
1829 LPFC_SLI4_PPNAME_GET
)) {
1833 phba
->Port
[j
++] = vpd
[index
++];
1837 if ((phba
->sli_rev
!= LPFC_SLI_REV4
) ||
1838 (phba
->sli4_hba
.pport_name_sta
==
1839 LPFC_SLI4_PPNAME_NON
))
1866 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
1867 * @phba: pointer to lpfc hba data structure.
1868 * @mdp: pointer to the data structure to hold the derived model name.
1869 * @descp: pointer to the data structure to hold the derived description.
1871 * This routine retrieves HBA's description based on its registered PCI device
1872 * ID. The @descp passed into this function points to an array of 256 chars. It
1873 * shall be returned with the model name, maximum speed, and the host bus type.
1874 * The @mdp passed into this function points to an array of 80 chars. When the
1875 * function returns, the @mdp will be filled with the model name.
1878 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
1881 uint16_t dev_id
= phba
->pcidev
->device
;
1884 int oneConnect
= 0; /* default is not a oneConnect */
1889 } m
= {"<Unknown>", "", ""};
1891 if (mdp
&& mdp
[0] != '\0'
1892 && descp
&& descp
[0] != '\0')
1895 if (phba
->lmt
& LMT_16Gb
)
1897 else if (phba
->lmt
& LMT_10Gb
)
1899 else if (phba
->lmt
& LMT_8Gb
)
1901 else if (phba
->lmt
& LMT_4Gb
)
1903 else if (phba
->lmt
& LMT_2Gb
)
1905 else if (phba
->lmt
& LMT_1Gb
)
1913 case PCI_DEVICE_ID_FIREFLY
:
1914 m
= (typeof(m
)){"LP6000", "PCI", "Fibre Channel Adapter"};
1916 case PCI_DEVICE_ID_SUPERFLY
:
1917 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
1918 m
= (typeof(m
)){"LP7000", "PCI",
1919 "Fibre Channel Adapter"};
1921 m
= (typeof(m
)){"LP7000E", "PCI",
1922 "Fibre Channel Adapter"};
1924 case PCI_DEVICE_ID_DRAGONFLY
:
1925 m
= (typeof(m
)){"LP8000", "PCI",
1926 "Fibre Channel Adapter"};
1928 case PCI_DEVICE_ID_CENTAUR
:
1929 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
1930 m
= (typeof(m
)){"LP9002", "PCI",
1931 "Fibre Channel Adapter"};
1933 m
= (typeof(m
)){"LP9000", "PCI",
1934 "Fibre Channel Adapter"};
1936 case PCI_DEVICE_ID_RFLY
:
1937 m
= (typeof(m
)){"LP952", "PCI",
1938 "Fibre Channel Adapter"};
1940 case PCI_DEVICE_ID_PEGASUS
:
1941 m
= (typeof(m
)){"LP9802", "PCI-X",
1942 "Fibre Channel Adapter"};
1944 case PCI_DEVICE_ID_THOR
:
1945 m
= (typeof(m
)){"LP10000", "PCI-X",
1946 "Fibre Channel Adapter"};
1948 case PCI_DEVICE_ID_VIPER
:
1949 m
= (typeof(m
)){"LPX1000", "PCI-X",
1950 "Fibre Channel Adapter"};
1952 case PCI_DEVICE_ID_PFLY
:
1953 m
= (typeof(m
)){"LP982", "PCI-X",
1954 "Fibre Channel Adapter"};
1956 case PCI_DEVICE_ID_TFLY
:
1957 m
= (typeof(m
)){"LP1050", "PCI-X",
1958 "Fibre Channel Adapter"};
1960 case PCI_DEVICE_ID_HELIOS
:
1961 m
= (typeof(m
)){"LP11000", "PCI-X2",
1962 "Fibre Channel Adapter"};
1964 case PCI_DEVICE_ID_HELIOS_SCSP
:
1965 m
= (typeof(m
)){"LP11000-SP", "PCI-X2",
1966 "Fibre Channel Adapter"};
1968 case PCI_DEVICE_ID_HELIOS_DCSP
:
1969 m
= (typeof(m
)){"LP11002-SP", "PCI-X2",
1970 "Fibre Channel Adapter"};
1972 case PCI_DEVICE_ID_NEPTUNE
:
1973 m
= (typeof(m
)){"LPe1000", "PCIe", "Fibre Channel Adapter"};
1975 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
1976 m
= (typeof(m
)){"LPe1000-SP", "PCIe", "Fibre Channel Adapter"};
1978 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
1979 m
= (typeof(m
)){"LPe1002-SP", "PCIe", "Fibre Channel Adapter"};
1981 case PCI_DEVICE_ID_BMID
:
1982 m
= (typeof(m
)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
1984 case PCI_DEVICE_ID_BSMB
:
1985 m
= (typeof(m
)){"LP111", "PCI-X2", "Fibre Channel Adapter"};
1987 case PCI_DEVICE_ID_ZEPHYR
:
1988 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
1990 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
1991 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
1993 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
1994 m
= (typeof(m
)){"LP2105", "PCIe", "FCoE Adapter"};
1997 case PCI_DEVICE_ID_ZMID
:
1998 m
= (typeof(m
)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
2000 case PCI_DEVICE_ID_ZSMB
:
2001 m
= (typeof(m
)){"LPe111", "PCIe", "Fibre Channel Adapter"};
2003 case PCI_DEVICE_ID_LP101
:
2004 m
= (typeof(m
)){"LP101", "PCI-X", "Fibre Channel Adapter"};
2006 case PCI_DEVICE_ID_LP10000S
:
2007 m
= (typeof(m
)){"LP10000-S", "PCI", "Fibre Channel Adapter"};
2009 case PCI_DEVICE_ID_LP11000S
:
2010 m
= (typeof(m
)){"LP11000-S", "PCI-X2", "Fibre Channel Adapter"};
2012 case PCI_DEVICE_ID_LPE11000S
:
2013 m
= (typeof(m
)){"LPe11000-S", "PCIe", "Fibre Channel Adapter"};
2015 case PCI_DEVICE_ID_SAT
:
2016 m
= (typeof(m
)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
2018 case PCI_DEVICE_ID_SAT_MID
:
2019 m
= (typeof(m
)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
2021 case PCI_DEVICE_ID_SAT_SMB
:
2022 m
= (typeof(m
)){"LPe121", "PCIe", "Fibre Channel Adapter"};
2024 case PCI_DEVICE_ID_SAT_DCSP
:
2025 m
= (typeof(m
)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
2027 case PCI_DEVICE_ID_SAT_SCSP
:
2028 m
= (typeof(m
)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
2030 case PCI_DEVICE_ID_SAT_S
:
2031 m
= (typeof(m
)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
2033 case PCI_DEVICE_ID_HORNET
:
2034 m
= (typeof(m
)){"LP21000", "PCIe", "FCoE Adapter"};
2037 case PCI_DEVICE_ID_PROTEUS_VF
:
2038 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2039 "Fibre Channel Adapter"};
2041 case PCI_DEVICE_ID_PROTEUS_PF
:
2042 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2043 "Fibre Channel Adapter"};
2045 case PCI_DEVICE_ID_PROTEUS_S
:
2046 m
= (typeof(m
)){"LPemv12002-S", "PCIe IOV",
2047 "Fibre Channel Adapter"};
2049 case PCI_DEVICE_ID_TIGERSHARK
:
2051 m
= (typeof(m
)){"OCe10100", "PCIe", "FCoE"};
2053 case PCI_DEVICE_ID_TOMCAT
:
2055 m
= (typeof(m
)){"OCe11100", "PCIe", "FCoE"};
2057 case PCI_DEVICE_ID_FALCON
:
2058 m
= (typeof(m
)){"LPSe12002-ML1-E", "PCIe",
2059 "EmulexSecure Fibre"};
2061 case PCI_DEVICE_ID_BALIUS
:
2062 m
= (typeof(m
)){"LPVe12002", "PCIe Shared I/O",
2063 "Fibre Channel Adapter"};
2065 case PCI_DEVICE_ID_LANCER_FC
:
2066 case PCI_DEVICE_ID_LANCER_FC_VF
:
2067 m
= (typeof(m
)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
2069 case PCI_DEVICE_ID_LANCER_FCOE
:
2070 case PCI_DEVICE_ID_LANCER_FCOE_VF
:
2072 m
= (typeof(m
)){"OCe15100", "PCIe", "FCoE"};
2074 case PCI_DEVICE_ID_SKYHAWK
:
2075 case PCI_DEVICE_ID_SKYHAWK_VF
:
2077 m
= (typeof(m
)){"OCe14000", "PCIe", "FCoE"};
2080 m
= (typeof(m
)){"Unknown", "", ""};
2084 if (mdp
&& mdp
[0] == '\0')
2085 snprintf(mdp
, 79,"%s", m
.name
);
2087 * oneConnect hba requires special processing, they are all initiators
2088 * and we put the port number on the end
2090 if (descp
&& descp
[0] == '\0') {
2092 snprintf(descp
, 255,
2093 "Emulex OneConnect %s, %s Initiator %s",
2096 else if (max_speed
== 0)
2097 snprintf(descp
, 255,
2099 m
.name
, m
.bus
, m
.function
);
2101 snprintf(descp
, 255,
2102 "Emulex %s %d%s %s %s",
2103 m
.name
, max_speed
, (GE
) ? "GE" : "Gb",
2109 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
2110 * @phba: pointer to lpfc hba data structure.
2111 * @pring: pointer to a IOCB ring.
2112 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2114 * This routine posts a given number of IOCBs with the associated DMA buffer
2115 * descriptors specified by the cnt argument to the given IOCB ring.
2118 * The number of IOCBs NOT able to be posted to the IOCB ring.
2121 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
)
2124 struct lpfc_iocbq
*iocb
;
2125 struct lpfc_dmabuf
*mp1
, *mp2
;
2127 cnt
+= pring
->missbufcnt
;
2129 /* While there are buffers to post */
2131 /* Allocate buffer for command iocb */
2132 iocb
= lpfc_sli_get_iocbq(phba
);
2134 pring
->missbufcnt
= cnt
;
2139 /* 2 buffers can be posted per command */
2140 /* Allocate buffer to post */
2141 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2143 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
2144 if (!mp1
|| !mp1
->virt
) {
2146 lpfc_sli_release_iocbq(phba
, iocb
);
2147 pring
->missbufcnt
= cnt
;
2151 INIT_LIST_HEAD(&mp1
->list
);
2152 /* Allocate buffer to post */
2154 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2156 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
2158 if (!mp2
|| !mp2
->virt
) {
2160 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2162 lpfc_sli_release_iocbq(phba
, iocb
);
2163 pring
->missbufcnt
= cnt
;
2167 INIT_LIST_HEAD(&mp2
->list
);
2172 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
2173 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
2174 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
2175 icmd
->ulpBdeCount
= 1;
2178 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
2179 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
2180 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
2182 icmd
->ulpBdeCount
= 2;
2185 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
2188 if (lpfc_sli_issue_iocb(phba
, pring
->ringno
, iocb
, 0) ==
2190 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2194 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
2198 lpfc_sli_release_iocbq(phba
, iocb
);
2199 pring
->missbufcnt
= cnt
;
2202 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
2204 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
2206 pring
->missbufcnt
= 0;
2211 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
2212 * @phba: pointer to lpfc hba data structure.
2214 * This routine posts initial receive IOCB buffers to the ELS ring. The
2215 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2219 * 0 - success (currently always success)
2222 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
2224 struct lpfc_sli
*psli
= &phba
->sli
;
2226 /* Ring 0, ELS / CT buffers */
2227 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
);
2228 /* Ring 2 - FCP no buffers needed */
2233 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2236 * lpfc_sha_init - Set up initial array of hash table entries
2237 * @HashResultPointer: pointer to an array as hash table.
2239 * This routine sets up the initial values to the array of hash table entries
2243 lpfc_sha_init(uint32_t * HashResultPointer
)
2245 HashResultPointer
[0] = 0x67452301;
2246 HashResultPointer
[1] = 0xEFCDAB89;
2247 HashResultPointer
[2] = 0x98BADCFE;
2248 HashResultPointer
[3] = 0x10325476;
2249 HashResultPointer
[4] = 0xC3D2E1F0;
2253 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
2254 * @HashResultPointer: pointer to an initial/result hash table.
2255 * @HashWorkingPointer: pointer to an working hash table.
2257 * This routine iterates an initial hash table pointed by @HashResultPointer
2258 * with the values from the working hash table pointeed by @HashWorkingPointer.
2259 * The results are putting back to the initial hash table, returned through
2260 * the @HashResultPointer as the result hash table.
2263 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
2267 uint32_t A
, B
, C
, D
, E
;
2270 HashWorkingPointer
[t
] =
2272 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
2274 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
2275 } while (++t
<= 79);
2277 A
= HashResultPointer
[0];
2278 B
= HashResultPointer
[1];
2279 C
= HashResultPointer
[2];
2280 D
= HashResultPointer
[3];
2281 E
= HashResultPointer
[4];
2285 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
2286 } else if (t
< 40) {
2287 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
2288 } else if (t
< 60) {
2289 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
2291 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
2293 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
2299 } while (++t
<= 79);
2301 HashResultPointer
[0] += A
;
2302 HashResultPointer
[1] += B
;
2303 HashResultPointer
[2] += C
;
2304 HashResultPointer
[3] += D
;
2305 HashResultPointer
[4] += E
;
2310 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
2311 * @RandomChallenge: pointer to the entry of host challenge random number array.
2312 * @HashWorking: pointer to the entry of the working hash array.
2314 * This routine calculates the working hash array referred by @HashWorking
2315 * from the challenge random numbers associated with the host, referred by
2316 * @RandomChallenge. The result is put into the entry of the working hash
2317 * array and returned by reference through @HashWorking.
2320 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
2322 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
2326 * lpfc_hba_init - Perform special handling for LC HBA initialization
2327 * @phba: pointer to lpfc hba data structure.
2328 * @hbainit: pointer to an array of unsigned 32-bit integers.
2330 * This routine performs the special handling for LC HBA initialization.
2333 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
2336 uint32_t *HashWorking
;
2337 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
2339 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
2343 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
2344 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
2346 for (t
= 0; t
< 7; t
++)
2347 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
2349 lpfc_sha_init(hbainit
);
2350 lpfc_sha_iterate(hbainit
, HashWorking
);
2355 * lpfc_cleanup - Performs vport cleanups before deleting a vport
2356 * @vport: pointer to a virtual N_Port data structure.
2358 * This routine performs the necessary cleanups before deleting the @vport.
2359 * It invokes the discovery state machine to perform necessary state
2360 * transitions and to release the ndlps associated with the @vport. Note,
2361 * the physical port is treated as @vport 0.
2364 lpfc_cleanup(struct lpfc_vport
*vport
)
2366 struct lpfc_hba
*phba
= vport
->phba
;
2367 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2370 if (phba
->link_state
> LPFC_LINK_DOWN
)
2371 lpfc_port_link_failure(vport
);
2373 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
2374 if (!NLP_CHK_NODE_ACT(ndlp
)) {
2375 ndlp
= lpfc_enable_node(vport
, ndlp
,
2376 NLP_STE_UNUSED_NODE
);
2379 spin_lock_irq(&phba
->ndlp_lock
);
2380 NLP_SET_FREE_REQ(ndlp
);
2381 spin_unlock_irq(&phba
->ndlp_lock
);
2382 /* Trigger the release of the ndlp memory */
2386 spin_lock_irq(&phba
->ndlp_lock
);
2387 if (NLP_CHK_FREE_REQ(ndlp
)) {
2388 /* The ndlp should not be in memory free mode already */
2389 spin_unlock_irq(&phba
->ndlp_lock
);
2392 /* Indicate request for freeing ndlp memory */
2393 NLP_SET_FREE_REQ(ndlp
);
2394 spin_unlock_irq(&phba
->ndlp_lock
);
2396 if (vport
->port_type
!= LPFC_PHYSICAL_PORT
&&
2397 ndlp
->nlp_DID
== Fabric_DID
) {
2398 /* Just free up ndlp with Fabric_DID for vports */
2403 /* take care of nodes in unused state before the state
2404 * machine taking action.
2406 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
) {
2411 if (ndlp
->nlp_type
& NLP_FABRIC
)
2412 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2413 NLP_EVT_DEVICE_RECOVERY
);
2415 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2419 /* At this point, ALL ndlp's should be gone
2420 * because of the previous NLP_EVT_DEVICE_RM.
2421 * Lets wait for this to happen, if needed.
2423 while (!list_empty(&vport
->fc_nodes
)) {
2425 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
2426 "0233 Nodelist not empty\n");
2427 list_for_each_entry_safe(ndlp
, next_ndlp
,
2428 &vport
->fc_nodes
, nlp_listp
) {
2429 lpfc_printf_vlog(ndlp
->vport
, KERN_ERR
,
2431 "0282 did:x%x ndlp:x%p "
2432 "usgmap:x%x refcnt:%d\n",
2433 ndlp
->nlp_DID
, (void *)ndlp
,
2436 &ndlp
->kref
.refcount
));
2441 /* Wait for any activity on ndlps to settle */
2444 lpfc_cleanup_vports_rrqs(vport
, NULL
);
2448 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2449 * @vport: pointer to a virtual N_Port data structure.
2451 * This routine stops all the timers associated with a @vport. This function
2452 * is invoked before disabling or deleting a @vport. Note that the physical
2453 * port is treated as @vport 0.
2456 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
2458 del_timer_sync(&vport
->els_tmofunc
);
2459 del_timer_sync(&vport
->fc_fdmitmo
);
2460 del_timer_sync(&vport
->delayed_disc_tmo
);
2461 lpfc_can_disctmo(vport
);
2466 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2467 * @phba: pointer to lpfc hba data structure.
2469 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2470 * caller of this routine should already hold the host lock.
2473 __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2475 /* Clear pending FCF rediscovery wait flag */
2476 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
2478 /* Now, try to stop the timer */
2479 del_timer(&phba
->fcf
.redisc_wait
);
2483 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2484 * @phba: pointer to lpfc hba data structure.
2486 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2487 * checks whether the FCF rediscovery wait timer is pending with the host
2488 * lock held before proceeding with disabling the timer and clearing the
2489 * wait timer pendig flag.
2492 lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2494 spin_lock_irq(&phba
->hbalock
);
2495 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
2496 /* FCF rediscovery timer already fired or stopped */
2497 spin_unlock_irq(&phba
->hbalock
);
2500 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2501 /* Clear failover in progress flags */
2502 phba
->fcf
.fcf_flag
&= ~(FCF_DEAD_DISC
| FCF_ACVL_DISC
);
2503 spin_unlock_irq(&phba
->hbalock
);
2507 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2508 * @phba: pointer to lpfc hba data structure.
2510 * This routine stops all the timers associated with a HBA. This function is
2511 * invoked before either putting a HBA offline or unloading the driver.
2514 lpfc_stop_hba_timers(struct lpfc_hba
*phba
)
2516 lpfc_stop_vport_timers(phba
->pport
);
2517 del_timer_sync(&phba
->sli
.mbox_tmo
);
2518 del_timer_sync(&phba
->fabric_block_timer
);
2519 del_timer_sync(&phba
->eratt_poll
);
2520 del_timer_sync(&phba
->hb_tmofunc
);
2521 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2522 del_timer_sync(&phba
->rrq_tmr
);
2523 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
2525 phba
->hb_outstanding
= 0;
2527 switch (phba
->pci_dev_grp
) {
2528 case LPFC_PCI_DEV_LP
:
2529 /* Stop any LightPulse device specific driver timers */
2530 del_timer_sync(&phba
->fcp_poll_timer
);
2532 case LPFC_PCI_DEV_OC
:
2533 /* Stop any OneConnect device sepcific driver timers */
2534 lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2537 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2538 "0297 Invalid device group (x%x)\n",
2546 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2547 * @phba: pointer to lpfc hba data structure.
2549 * This routine marks a HBA's management interface as blocked. Once the HBA's
2550 * management interface is marked as blocked, all the user space access to
2551 * the HBA, whether they are from sysfs interface or libdfc interface will
2552 * all be blocked. The HBA is set to block the management interface when the
2553 * driver prepares the HBA interface for online or offline.
2556 lpfc_block_mgmt_io(struct lpfc_hba
*phba
, int mbx_action
)
2558 unsigned long iflag
;
2559 uint8_t actcmd
= MBX_HEARTBEAT
;
2560 unsigned long timeout
;
2562 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2563 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
2564 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2565 if (mbx_action
== LPFC_MBX_NO_WAIT
)
2567 timeout
= msecs_to_jiffies(LPFC_MBOX_TMO
* 1000) + jiffies
;
2568 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2569 if (phba
->sli
.mbox_active
) {
2570 actcmd
= phba
->sli
.mbox_active
->u
.mb
.mbxCommand
;
2571 /* Determine how long we might wait for the active mailbox
2572 * command to be gracefully completed by firmware.
2574 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
,
2575 phba
->sli
.mbox_active
) * 1000) + jiffies
;
2577 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2579 /* Wait for the outstnading mailbox command to complete */
2580 while (phba
->sli
.mbox_active
) {
2581 /* Check active mailbox complete status every 2ms */
2583 if (time_after(jiffies
, timeout
)) {
2584 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2585 "2813 Mgmt IO is Blocked %x "
2586 "- mbox cmd %x still active\n",
2587 phba
->sli
.sli_flag
, actcmd
);
2594 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
2595 * @phba: pointer to lpfc hba data structure.
2597 * Allocate RPIs for all active remote nodes. This is needed whenever
2598 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
2599 * is to fixup the temporary rpi assignments.
2602 lpfc_sli4_node_prep(struct lpfc_hba
*phba
)
2604 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2605 struct lpfc_vport
**vports
;
2608 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
2611 vports
= lpfc_create_vport_work_array(phba
);
2612 if (vports
!= NULL
) {
2613 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2614 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2617 list_for_each_entry_safe(ndlp
, next_ndlp
,
2618 &vports
[i
]->fc_nodes
,
2620 if (NLP_CHK_NODE_ACT(ndlp
))
2622 lpfc_sli4_alloc_rpi(phba
);
2626 lpfc_destroy_vport_work_array(phba
, vports
);
2630 * lpfc_online - Initialize and bring a HBA online
2631 * @phba: pointer to lpfc hba data structure.
2633 * This routine initializes the HBA and brings a HBA online. During this
2634 * process, the management interface is blocked to prevent user space access
2635 * to the HBA interfering with the driver initialization.
2642 lpfc_online(struct lpfc_hba
*phba
)
2644 struct lpfc_vport
*vport
;
2645 struct lpfc_vport
**vports
;
2647 bool vpis_cleared
= false;
2651 vport
= phba
->pport
;
2653 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
2656 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2657 "0458 Bring Adapter online\n");
2659 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
2661 if (!lpfc_sli_queue_setup(phba
)) {
2662 lpfc_unblock_mgmt_io(phba
);
2666 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2667 if (lpfc_sli4_hba_setup(phba
)) { /* Initialize SLI4 HBA */
2668 lpfc_unblock_mgmt_io(phba
);
2671 spin_lock_irq(&phba
->hbalock
);
2672 if (!phba
->sli4_hba
.max_cfg_param
.vpi_used
)
2673 vpis_cleared
= true;
2674 spin_unlock_irq(&phba
->hbalock
);
2676 if (lpfc_sli_hba_setup(phba
)) { /* Initialize SLI2/SLI3 HBA */
2677 lpfc_unblock_mgmt_io(phba
);
2682 vports
= lpfc_create_vport_work_array(phba
);
2684 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2685 struct Scsi_Host
*shost
;
2686 shost
= lpfc_shost_from_vport(vports
[i
]);
2687 spin_lock_irq(shost
->host_lock
);
2688 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
2689 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
2690 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2691 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2692 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
2693 if ((vpis_cleared
) &&
2694 (vports
[i
]->port_type
!=
2695 LPFC_PHYSICAL_PORT
))
2698 spin_unlock_irq(shost
->host_lock
);
2700 lpfc_destroy_vport_work_array(phba
, vports
);
2702 lpfc_unblock_mgmt_io(phba
);
2707 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
2708 * @phba: pointer to lpfc hba data structure.
2710 * This routine marks a HBA's management interface as not blocked. Once the
2711 * HBA's management interface is marked as not blocked, all the user space
2712 * access to the HBA, whether they are from sysfs interface or libdfc
2713 * interface will be allowed. The HBA is set to block the management interface
2714 * when the driver prepares the HBA interface for online or offline and then
2715 * set to unblock the management interface afterwards.
2718 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
2720 unsigned long iflag
;
2722 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2723 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
2724 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2728 * lpfc_offline_prep - Prepare a HBA to be brought offline
2729 * @phba: pointer to lpfc hba data structure.
2731 * This routine is invoked to prepare a HBA to be brought offline. It performs
2732 * unregistration login to all the nodes on all vports and flushes the mailbox
2733 * queue to make it ready to be brought offline.
2736 lpfc_offline_prep(struct lpfc_hba
*phba
, int mbx_action
)
2738 struct lpfc_vport
*vport
= phba
->pport
;
2739 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2740 struct lpfc_vport
**vports
;
2741 struct Scsi_Host
*shost
;
2744 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
2747 lpfc_block_mgmt_io(phba
, mbx_action
);
2749 lpfc_linkdown(phba
);
2751 /* Issue an unreg_login to all nodes on all vports */
2752 vports
= lpfc_create_vport_work_array(phba
);
2753 if (vports
!= NULL
) {
2754 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2755 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2757 shost
= lpfc_shost_from_vport(vports
[i
]);
2758 spin_lock_irq(shost
->host_lock
);
2759 vports
[i
]->vpi_state
&= ~LPFC_VPI_REGISTERED
;
2760 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2761 vports
[i
]->fc_flag
&= ~FC_VFI_REGISTERED
;
2762 spin_unlock_irq(shost
->host_lock
);
2764 shost
= lpfc_shost_from_vport(vports
[i
]);
2765 list_for_each_entry_safe(ndlp
, next_ndlp
,
2766 &vports
[i
]->fc_nodes
,
2768 if (!NLP_CHK_NODE_ACT(ndlp
))
2770 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
2772 if (ndlp
->nlp_type
& NLP_FABRIC
) {
2773 lpfc_disc_state_machine(vports
[i
], ndlp
,
2774 NULL
, NLP_EVT_DEVICE_RECOVERY
);
2775 lpfc_disc_state_machine(vports
[i
], ndlp
,
2776 NULL
, NLP_EVT_DEVICE_RM
);
2778 spin_lock_irq(shost
->host_lock
);
2779 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
2780 spin_unlock_irq(shost
->host_lock
);
2782 * Whenever an SLI4 port goes offline, free the
2783 * RPI. Get a new RPI when the adapter port
2784 * comes back online.
2786 if (phba
->sli_rev
== LPFC_SLI_REV4
)
2787 lpfc_sli4_free_rpi(phba
, ndlp
->nlp_rpi
);
2788 lpfc_unreg_rpi(vports
[i
], ndlp
);
2792 lpfc_destroy_vport_work_array(phba
, vports
);
2794 lpfc_sli_mbox_sys_shutdown(phba
, mbx_action
);
2798 * lpfc_offline - Bring a HBA offline
2799 * @phba: pointer to lpfc hba data structure.
2801 * This routine actually brings a HBA offline. It stops all the timers
2802 * associated with the HBA, brings down the SLI layer, and eventually
2803 * marks the HBA as in offline state for the upper layer protocol.
2806 lpfc_offline(struct lpfc_hba
*phba
)
2808 struct Scsi_Host
*shost
;
2809 struct lpfc_vport
**vports
;
2812 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
2815 /* stop port and all timers associated with this hba */
2816 lpfc_stop_port(phba
);
2817 vports
= lpfc_create_vport_work_array(phba
);
2819 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
2820 lpfc_stop_vport_timers(vports
[i
]);
2821 lpfc_destroy_vport_work_array(phba
, vports
);
2822 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2823 "0460 Bring Adapter offline\n");
2824 /* Bring down the SLI Layer and cleanup. The HBA is offline
2826 lpfc_sli_hba_down(phba
);
2827 spin_lock_irq(&phba
->hbalock
);
2829 spin_unlock_irq(&phba
->hbalock
);
2830 vports
= lpfc_create_vport_work_array(phba
);
2832 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2833 shost
= lpfc_shost_from_vport(vports
[i
]);
2834 spin_lock_irq(shost
->host_lock
);
2835 vports
[i
]->work_port_events
= 0;
2836 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
2837 spin_unlock_irq(shost
->host_lock
);
2839 lpfc_destroy_vport_work_array(phba
, vports
);
2843 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
2844 * @phba: pointer to lpfc hba data structure.
2846 * This routine is to free all the SCSI buffers and IOCBs from the driver
2847 * list back to kernel. It is called from lpfc_pci_remove_one to free
2848 * the internal resources before the device is removed from the system.
2851 lpfc_scsi_free(struct lpfc_hba
*phba
)
2853 struct lpfc_scsi_buf
*sb
, *sb_next
;
2854 struct lpfc_iocbq
*io
, *io_next
;
2856 spin_lock_irq(&phba
->hbalock
);
2858 /* Release all the lpfc_scsi_bufs maintained by this host. */
2860 spin_lock(&phba
->scsi_buf_list_put_lock
);
2861 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list_put
,
2863 list_del(&sb
->list
);
2864 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
2867 phba
->total_scsi_bufs
--;
2869 spin_unlock(&phba
->scsi_buf_list_put_lock
);
2871 spin_lock(&phba
->scsi_buf_list_get_lock
);
2872 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list_get
,
2874 list_del(&sb
->list
);
2875 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
2878 phba
->total_scsi_bufs
--;
2880 spin_unlock(&phba
->scsi_buf_list_get_lock
);
2882 /* Release all the lpfc_iocbq entries maintained by this host. */
2883 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
2884 list_del(&io
->list
);
2886 phba
->total_iocbq_bufs
--;
2889 spin_unlock_irq(&phba
->hbalock
);
2893 * lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping
2894 * @phba: pointer to lpfc hba data structure.
2896 * This routine first calculates the sizes of the current els and allocated
2897 * scsi sgl lists, and then goes through all sgls to updates the physical
2898 * XRIs assigned due to port function reset. During port initialization, the
2899 * current els and allocated scsi sgl lists are 0s.
2902 * 0 - successful (for now, it always returns 0)
2905 lpfc_sli4_xri_sgl_update(struct lpfc_hba
*phba
)
2907 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_entry_next
= NULL
;
2908 struct lpfc_scsi_buf
*psb
= NULL
, *psb_next
= NULL
;
2909 uint16_t i
, lxri
, xri_cnt
, els_xri_cnt
, scsi_xri_cnt
;
2910 LIST_HEAD(els_sgl_list
);
2911 LIST_HEAD(scsi_sgl_list
);
2915 * update on pci function's els xri-sgl list
2917 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
2918 if (els_xri_cnt
> phba
->sli4_hba
.els_xri_cnt
) {
2919 /* els xri-sgl expanded */
2920 xri_cnt
= els_xri_cnt
- phba
->sli4_hba
.els_xri_cnt
;
2921 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
2922 "3157 ELS xri-sgl count increased from "
2923 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
2925 /* allocate the additional els sgls */
2926 for (i
= 0; i
< xri_cnt
; i
++) {
2927 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
),
2929 if (sglq_entry
== NULL
) {
2930 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2931 "2562 Failure to allocate an "
2932 "ELS sgl entry:%d\n", i
);
2936 sglq_entry
->buff_type
= GEN_BUFF_TYPE
;
2937 sglq_entry
->virt
= lpfc_mbuf_alloc(phba
, 0,
2939 if (sglq_entry
->virt
== NULL
) {
2941 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2942 "2563 Failure to allocate an "
2943 "ELS mbuf:%d\n", i
);
2947 sglq_entry
->sgl
= sglq_entry
->virt
;
2948 memset(sglq_entry
->sgl
, 0, LPFC_BPL_SIZE
);
2949 sglq_entry
->state
= SGL_FREED
;
2950 list_add_tail(&sglq_entry
->list
, &els_sgl_list
);
2952 spin_lock_irq(&phba
->hbalock
);
2953 list_splice_init(&els_sgl_list
, &phba
->sli4_hba
.lpfc_sgl_list
);
2954 spin_unlock_irq(&phba
->hbalock
);
2955 } else if (els_xri_cnt
< phba
->sli4_hba
.els_xri_cnt
) {
2956 /* els xri-sgl shrinked */
2957 xri_cnt
= phba
->sli4_hba
.els_xri_cnt
- els_xri_cnt
;
2958 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
2959 "3158 ELS xri-sgl count decreased from "
2960 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
2962 spin_lock_irq(&phba
->hbalock
);
2963 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &els_sgl_list
);
2964 spin_unlock_irq(&phba
->hbalock
);
2965 /* release extra els sgls from list */
2966 for (i
= 0; i
< xri_cnt
; i
++) {
2967 list_remove_head(&els_sgl_list
,
2968 sglq_entry
, struct lpfc_sglq
, list
);
2970 lpfc_mbuf_free(phba
, sglq_entry
->virt
,
2975 spin_lock_irq(&phba
->hbalock
);
2976 list_splice_init(&els_sgl_list
, &phba
->sli4_hba
.lpfc_sgl_list
);
2977 spin_unlock_irq(&phba
->hbalock
);
2979 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
2980 "3163 ELS xri-sgl count unchanged: %d\n",
2982 phba
->sli4_hba
.els_xri_cnt
= els_xri_cnt
;
2984 /* update xris to els sgls on the list */
2986 sglq_entry_next
= NULL
;
2987 list_for_each_entry_safe(sglq_entry
, sglq_entry_next
,
2988 &phba
->sli4_hba
.lpfc_sgl_list
, list
) {
2989 lxri
= lpfc_sli4_next_xritag(phba
);
2990 if (lxri
== NO_XRI
) {
2991 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2992 "2400 Failed to allocate xri for "
2997 sglq_entry
->sli4_lxritag
= lxri
;
2998 sglq_entry
->sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3002 * update on pci function's allocated scsi xri-sgl list
3004 phba
->total_scsi_bufs
= 0;
3006 /* maximum number of xris available for scsi buffers */
3007 phba
->sli4_hba
.scsi_xri_max
= phba
->sli4_hba
.max_cfg_param
.max_xri
-
3010 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3011 "2401 Current allocated SCSI xri-sgl count:%d, "
3012 "maximum SCSI xri count:%d\n",
3013 phba
->sli4_hba
.scsi_xri_cnt
,
3014 phba
->sli4_hba
.scsi_xri_max
);
3016 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3017 spin_lock_irq(&phba
->scsi_buf_list_put_lock
);
3018 list_splice_init(&phba
->lpfc_scsi_buf_list_get
, &scsi_sgl_list
);
3019 list_splice(&phba
->lpfc_scsi_buf_list_put
, &scsi_sgl_list
);
3020 spin_unlock_irq(&phba
->scsi_buf_list_put_lock
);
3021 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3023 if (phba
->sli4_hba
.scsi_xri_cnt
> phba
->sli4_hba
.scsi_xri_max
) {
3024 /* max scsi xri shrinked below the allocated scsi buffers */
3025 scsi_xri_cnt
= phba
->sli4_hba
.scsi_xri_cnt
-
3026 phba
->sli4_hba
.scsi_xri_max
;
3027 /* release the extra allocated scsi buffers */
3028 for (i
= 0; i
< scsi_xri_cnt
; i
++) {
3029 list_remove_head(&scsi_sgl_list
, psb
,
3030 struct lpfc_scsi_buf
, list
);
3031 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, psb
->data
,
3035 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3036 phba
->sli4_hba
.scsi_xri_cnt
-= scsi_xri_cnt
;
3037 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3040 /* update xris associated to remaining allocated scsi buffers */
3043 list_for_each_entry_safe(psb
, psb_next
, &scsi_sgl_list
, list
) {
3044 lxri
= lpfc_sli4_next_xritag(phba
);
3045 if (lxri
== NO_XRI
) {
3046 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3047 "2560 Failed to allocate xri for "
3052 psb
->cur_iocbq
.sli4_lxritag
= lxri
;
3053 psb
->cur_iocbq
.sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3055 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3056 spin_lock_irq(&phba
->scsi_buf_list_put_lock
);
3057 list_splice_init(&scsi_sgl_list
, &phba
->lpfc_scsi_buf_list_get
);
3058 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_put
);
3059 spin_unlock_irq(&phba
->scsi_buf_list_put_lock
);
3060 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3065 lpfc_free_els_sgl_list(phba
);
3066 lpfc_scsi_free(phba
);
3071 * lpfc_create_port - Create an FC port
3072 * @phba: pointer to lpfc hba data structure.
3073 * @instance: a unique integer ID to this FC port.
3074 * @dev: pointer to the device data structure.
3076 * This routine creates a FC port for the upper layer protocol. The FC port
3077 * can be created on top of either a physical port or a virtual port provided
3078 * by the HBA. This routine also allocates a SCSI host data structure (shost)
3079 * and associates the FC port created before adding the shost into the SCSI
3083 * @vport - pointer to the virtual N_Port data structure.
3084 * NULL - port create failed.
3087 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
3089 struct lpfc_vport
*vport
;
3090 struct Scsi_Host
*shost
;
3093 if (dev
!= &phba
->pcidev
->dev
)
3094 shost
= scsi_host_alloc(&lpfc_vport_template
,
3095 sizeof(struct lpfc_vport
));
3097 shost
= scsi_host_alloc(&lpfc_template
,
3098 sizeof(struct lpfc_vport
));
3102 vport
= (struct lpfc_vport
*) shost
->hostdata
;
3104 vport
->load_flag
|= FC_LOADING
;
3105 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
3106 vport
->fc_rscn_flush
= 0;
3108 lpfc_get_vport_cfgparam(vport
);
3109 shost
->unique_id
= instance
;
3110 shost
->max_id
= LPFC_MAX_TARGET
;
3111 shost
->max_lun
= vport
->cfg_max_luns
;
3112 shost
->this_id
= -1;
3113 shost
->max_cmd_len
= 16;
3114 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
3115 shost
->dma_boundary
=
3116 phba
->sli4_hba
.pc_sli4_params
.sge_supp_len
-1;
3117 shost
->sg_tablesize
= phba
->cfg_sg_seg_cnt
;
3121 * Set initial can_queue value since 0 is no longer supported and
3122 * scsi_add_host will fail. This will be adjusted later based on the
3123 * max xri value determined in hba setup.
3125 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
3126 if (dev
!= &phba
->pcidev
->dev
) {
3127 shost
->transportt
= lpfc_vport_transport_template
;
3128 vport
->port_type
= LPFC_NPIV_PORT
;
3130 shost
->transportt
= lpfc_transport_template
;
3131 vport
->port_type
= LPFC_PHYSICAL_PORT
;
3134 /* Initialize all internally managed lists. */
3135 INIT_LIST_HEAD(&vport
->fc_nodes
);
3136 INIT_LIST_HEAD(&vport
->rcv_buffer_list
);
3137 spin_lock_init(&vport
->work_port_lock
);
3139 init_timer(&vport
->fc_disctmo
);
3140 vport
->fc_disctmo
.function
= lpfc_disc_timeout
;
3141 vport
->fc_disctmo
.data
= (unsigned long)vport
;
3143 init_timer(&vport
->fc_fdmitmo
);
3144 vport
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
3145 vport
->fc_fdmitmo
.data
= (unsigned long)vport
;
3147 init_timer(&vport
->els_tmofunc
);
3148 vport
->els_tmofunc
.function
= lpfc_els_timeout
;
3149 vport
->els_tmofunc
.data
= (unsigned long)vport
;
3151 init_timer(&vport
->delayed_disc_tmo
);
3152 vport
->delayed_disc_tmo
.function
= lpfc_delayed_disc_tmo
;
3153 vport
->delayed_disc_tmo
.data
= (unsigned long)vport
;
3155 error
= scsi_add_host_with_dma(shost
, dev
, &phba
->pcidev
->dev
);
3159 spin_lock_irq(&phba
->hbalock
);
3160 list_add_tail(&vport
->listentry
, &phba
->port_list
);
3161 spin_unlock_irq(&phba
->hbalock
);
3165 scsi_host_put(shost
);
3171 * destroy_port - destroy an FC port
3172 * @vport: pointer to an lpfc virtual N_Port data structure.
3174 * This routine destroys a FC port from the upper layer protocol. All the
3175 * resources associated with the port are released.
3178 destroy_port(struct lpfc_vport
*vport
)
3180 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3181 struct lpfc_hba
*phba
= vport
->phba
;
3183 lpfc_debugfs_terminate(vport
);
3184 fc_remove_host(shost
);
3185 scsi_remove_host(shost
);
3187 spin_lock_irq(&phba
->hbalock
);
3188 list_del_init(&vport
->listentry
);
3189 spin_unlock_irq(&phba
->hbalock
);
3191 lpfc_cleanup(vport
);
3196 * lpfc_get_instance - Get a unique integer ID
3198 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
3199 * uses the kernel idr facility to perform the task.
3202 * instance - a unique integer ID allocated as the new instance.
3203 * -1 - lpfc get instance failed.
3206 lpfc_get_instance(void)
3210 ret
= idr_alloc(&lpfc_hba_index
, NULL
, 0, 0, GFP_KERNEL
);
3211 return ret
< 0 ? -1 : ret
;
3215 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
3216 * @shost: pointer to SCSI host data structure.
3217 * @time: elapsed time of the scan in jiffies.
3219 * This routine is called by the SCSI layer with a SCSI host to determine
3220 * whether the scan host is finished.
3222 * Note: there is no scan_start function as adapter initialization will have
3223 * asynchronously kicked off the link initialization.
3226 * 0 - SCSI host scan is not over yet.
3227 * 1 - SCSI host scan is over.
3229 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
3231 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3232 struct lpfc_hba
*phba
= vport
->phba
;
3235 spin_lock_irq(shost
->host_lock
);
3237 if (vport
->load_flag
& FC_UNLOADING
) {
3241 if (time
>= msecs_to_jiffies(30 * 1000)) {
3242 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3243 "0461 Scanning longer than 30 "
3244 "seconds. Continuing initialization\n");
3248 if (time
>= msecs_to_jiffies(15 * 1000) &&
3249 phba
->link_state
<= LPFC_LINK_DOWN
) {
3250 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3251 "0465 Link down longer than 15 "
3252 "seconds. Continuing initialization\n");
3257 if (vport
->port_state
!= LPFC_VPORT_READY
)
3259 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
3261 if (vport
->fc_map_cnt
== 0 && time
< msecs_to_jiffies(2 * 1000))
3263 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
3269 spin_unlock_irq(shost
->host_lock
);
3274 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
3275 * @shost: pointer to SCSI host data structure.
3277 * This routine initializes a given SCSI host attributes on a FC port. The
3278 * SCSI host can be either on top of a physical port or a virtual port.
3280 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
3282 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3283 struct lpfc_hba
*phba
= vport
->phba
;
3285 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
3288 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
3289 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
3290 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
3292 memset(fc_host_supported_fc4s(shost
), 0,
3293 sizeof(fc_host_supported_fc4s(shost
)));
3294 fc_host_supported_fc4s(shost
)[2] = 1;
3295 fc_host_supported_fc4s(shost
)[7] = 1;
3297 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
3298 sizeof fc_host_symbolic_name(shost
));
3300 fc_host_supported_speeds(shost
) = 0;
3301 if (phba
->lmt
& LMT_16Gb
)
3302 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_16GBIT
;
3303 if (phba
->lmt
& LMT_10Gb
)
3304 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
3305 if (phba
->lmt
& LMT_8Gb
)
3306 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
3307 if (phba
->lmt
& LMT_4Gb
)
3308 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
3309 if (phba
->lmt
& LMT_2Gb
)
3310 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
3311 if (phba
->lmt
& LMT_1Gb
)
3312 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
3314 fc_host_maxframe_size(shost
) =
3315 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
3316 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
3318 fc_host_dev_loss_tmo(shost
) = vport
->cfg_devloss_tmo
;
3320 /* This value is also unchanging */
3321 memset(fc_host_active_fc4s(shost
), 0,
3322 sizeof(fc_host_active_fc4s(shost
)));
3323 fc_host_active_fc4s(shost
)[2] = 1;
3324 fc_host_active_fc4s(shost
)[7] = 1;
3326 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
3327 spin_lock_irq(shost
->host_lock
);
3328 vport
->load_flag
&= ~FC_LOADING
;
3329 spin_unlock_irq(shost
->host_lock
);
3333 * lpfc_stop_port_s3 - Stop SLI3 device port
3334 * @phba: pointer to lpfc hba data structure.
3336 * This routine is invoked to stop an SLI3 device port, it stops the device
3337 * from generating interrupts and stops the device driver's timers for the
3341 lpfc_stop_port_s3(struct lpfc_hba
*phba
)
3343 /* Clear all interrupt enable conditions */
3344 writel(0, phba
->HCregaddr
);
3345 readl(phba
->HCregaddr
); /* flush */
3346 /* Clear all pending interrupts */
3347 writel(0xffffffff, phba
->HAregaddr
);
3348 readl(phba
->HAregaddr
); /* flush */
3350 /* Reset some HBA SLI setup states */
3351 lpfc_stop_hba_timers(phba
);
3352 phba
->pport
->work_port_events
= 0;
3356 * lpfc_stop_port_s4 - Stop SLI4 device port
3357 * @phba: pointer to lpfc hba data structure.
3359 * This routine is invoked to stop an SLI4 device port, it stops the device
3360 * from generating interrupts and stops the device driver's timers for the
3364 lpfc_stop_port_s4(struct lpfc_hba
*phba
)
3366 /* Reset some HBA SLI4 setup states */
3367 lpfc_stop_hba_timers(phba
);
3368 phba
->pport
->work_port_events
= 0;
3369 phba
->sli4_hba
.intr_enable
= 0;
3373 * lpfc_stop_port - Wrapper function for stopping hba port
3374 * @phba: Pointer to HBA context object.
3376 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
3377 * the API jump table function pointer from the lpfc_hba struct.
3380 lpfc_stop_port(struct lpfc_hba
*phba
)
3382 phba
->lpfc_stop_port(phba
);
3386 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
3387 * @phba: Pointer to hba for which this call is being executed.
3389 * This routine starts the timer waiting for the FCF rediscovery to complete.
3392 lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba
*phba
)
3394 unsigned long fcf_redisc_wait_tmo
=
3395 (jiffies
+ msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO
));
3396 /* Start fcf rediscovery wait period timer */
3397 mod_timer(&phba
->fcf
.redisc_wait
, fcf_redisc_wait_tmo
);
3398 spin_lock_irq(&phba
->hbalock
);
3399 /* Allow action to new fcf asynchronous event */
3400 phba
->fcf
.fcf_flag
&= ~(FCF_AVAILABLE
| FCF_SCAN_DONE
);
3401 /* Mark the FCF rediscovery pending state */
3402 phba
->fcf
.fcf_flag
|= FCF_REDISC_PEND
;
3403 spin_unlock_irq(&phba
->hbalock
);
3407 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
3408 * @ptr: Map to lpfc_hba data structure pointer.
3410 * This routine is invoked when waiting for FCF table rediscover has been
3411 * timed out. If new FCF record(s) has (have) been discovered during the
3412 * wait period, a new FCF event shall be added to the FCOE async event
3413 * list, and then worker thread shall be waked up for processing from the
3414 * worker thread context.
3417 lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr
)
3419 struct lpfc_hba
*phba
= (struct lpfc_hba
*)ptr
;
3421 /* Don't send FCF rediscovery event if timer cancelled */
3422 spin_lock_irq(&phba
->hbalock
);
3423 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
3424 spin_unlock_irq(&phba
->hbalock
);
3427 /* Clear FCF rediscovery timer pending flag */
3428 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
3429 /* FCF rediscovery event to worker thread */
3430 phba
->fcf
.fcf_flag
|= FCF_REDISC_EVT
;
3431 spin_unlock_irq(&phba
->hbalock
);
3432 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
3433 "2776 FCF rediscover quiescent timer expired\n");
3434 /* wake up worker thread */
3435 lpfc_worker_wake_up(phba
);
3439 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
3440 * @phba: pointer to lpfc hba data structure.
3441 * @acqe_link: pointer to the async link completion queue entry.
3443 * This routine is to parse the SLI4 link-attention link fault code and
3444 * translate it into the base driver's read link attention mailbox command
3447 * Return: Link-attention status in terms of base driver's coding.
3450 lpfc_sli4_parse_latt_fault(struct lpfc_hba
*phba
,
3451 struct lpfc_acqe_link
*acqe_link
)
3453 uint16_t latt_fault
;
3455 switch (bf_get(lpfc_acqe_link_fault
, acqe_link
)) {
3456 case LPFC_ASYNC_LINK_FAULT_NONE
:
3457 case LPFC_ASYNC_LINK_FAULT_LOCAL
:
3458 case LPFC_ASYNC_LINK_FAULT_REMOTE
:
3462 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3463 "0398 Invalid link fault code: x%x\n",
3464 bf_get(lpfc_acqe_link_fault
, acqe_link
));
3465 latt_fault
= MBXERR_ERROR
;
3472 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
3473 * @phba: pointer to lpfc hba data structure.
3474 * @acqe_link: pointer to the async link completion queue entry.
3476 * This routine is to parse the SLI4 link attention type and translate it
3477 * into the base driver's link attention type coding.
3479 * Return: Link attention type in terms of base driver's coding.
3482 lpfc_sli4_parse_latt_type(struct lpfc_hba
*phba
,
3483 struct lpfc_acqe_link
*acqe_link
)
3487 switch (bf_get(lpfc_acqe_link_status
, acqe_link
)) {
3488 case LPFC_ASYNC_LINK_STATUS_DOWN
:
3489 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN
:
3490 att_type
= LPFC_ATT_LINK_DOWN
;
3492 case LPFC_ASYNC_LINK_STATUS_UP
:
3493 /* Ignore physical link up events - wait for logical link up */
3494 att_type
= LPFC_ATT_RESERVED
;
3496 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP
:
3497 att_type
= LPFC_ATT_LINK_UP
;
3500 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3501 "0399 Invalid link attention type: x%x\n",
3502 bf_get(lpfc_acqe_link_status
, acqe_link
));
3503 att_type
= LPFC_ATT_RESERVED
;
3510 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
3511 * @phba: pointer to lpfc hba data structure.
3512 * @acqe_link: pointer to the async link completion queue entry.
3514 * This routine is to parse the SLI4 link-attention link speed and translate
3515 * it into the base driver's link-attention link speed coding.
3517 * Return: Link-attention link speed in terms of base driver's coding.
3520 lpfc_sli4_parse_latt_link_speed(struct lpfc_hba
*phba
,
3521 struct lpfc_acqe_link
*acqe_link
)
3525 switch (bf_get(lpfc_acqe_link_speed
, acqe_link
)) {
3526 case LPFC_ASYNC_LINK_SPEED_ZERO
:
3527 case LPFC_ASYNC_LINK_SPEED_10MBPS
:
3528 case LPFC_ASYNC_LINK_SPEED_100MBPS
:
3529 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3531 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
3532 link_speed
= LPFC_LINK_SPEED_1GHZ
;
3534 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
3535 link_speed
= LPFC_LINK_SPEED_10GHZ
;
3538 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3539 "0483 Invalid link-attention link speed: x%x\n",
3540 bf_get(lpfc_acqe_link_speed
, acqe_link
));
3541 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3548 * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
3549 * @phba: pointer to lpfc hba data structure.
3551 * This routine is to get an SLI3 FC port's link speed in Mbps.
3553 * Return: link speed in terms of Mbps.
3556 lpfc_sli_port_speed_get(struct lpfc_hba
*phba
)
3558 uint32_t link_speed
;
3560 if (!lpfc_is_link_up(phba
))
3563 switch (phba
->fc_linkspeed
) {
3564 case LPFC_LINK_SPEED_1GHZ
:
3567 case LPFC_LINK_SPEED_2GHZ
:
3570 case LPFC_LINK_SPEED_4GHZ
:
3573 case LPFC_LINK_SPEED_8GHZ
:
3576 case LPFC_LINK_SPEED_10GHZ
:
3579 case LPFC_LINK_SPEED_16GHZ
:
3589 * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
3590 * @phba: pointer to lpfc hba data structure.
3591 * @evt_code: asynchronous event code.
3592 * @speed_code: asynchronous event link speed code.
3594 * This routine is to parse the giving SLI4 async event link speed code into
3595 * value of Mbps for the link speed.
3597 * Return: link speed in terms of Mbps.
3600 lpfc_sli4_port_speed_parse(struct lpfc_hba
*phba
, uint32_t evt_code
,
3603 uint32_t port_speed
;
3606 case LPFC_TRAILER_CODE_LINK
:
3607 switch (speed_code
) {
3608 case LPFC_EVT_CODE_LINK_NO_LINK
:
3611 case LPFC_EVT_CODE_LINK_10_MBIT
:
3614 case LPFC_EVT_CODE_LINK_100_MBIT
:
3617 case LPFC_EVT_CODE_LINK_1_GBIT
:
3620 case LPFC_EVT_CODE_LINK_10_GBIT
:
3627 case LPFC_TRAILER_CODE_FC
:
3628 switch (speed_code
) {
3629 case LPFC_EVT_CODE_FC_NO_LINK
:
3632 case LPFC_EVT_CODE_FC_1_GBAUD
:
3635 case LPFC_EVT_CODE_FC_2_GBAUD
:
3638 case LPFC_EVT_CODE_FC_4_GBAUD
:
3641 case LPFC_EVT_CODE_FC_8_GBAUD
:
3644 case LPFC_EVT_CODE_FC_10_GBAUD
:
3647 case LPFC_EVT_CODE_FC_16_GBAUD
:
3661 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
3662 * @phba: pointer to lpfc hba data structure.
3663 * @acqe_link: pointer to the async link completion queue entry.
3665 * This routine is to handle the SLI4 asynchronous FCoE link event.
3668 lpfc_sli4_async_link_evt(struct lpfc_hba
*phba
,
3669 struct lpfc_acqe_link
*acqe_link
)
3671 struct lpfc_dmabuf
*mp
;
3674 struct lpfc_mbx_read_top
*la
;
3678 att_type
= lpfc_sli4_parse_latt_type(phba
, acqe_link
);
3679 if (att_type
!= LPFC_ATT_LINK_DOWN
&& att_type
!= LPFC_ATT_LINK_UP
)
3681 phba
->fcoe_eventtag
= acqe_link
->event_tag
;
3682 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3684 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3685 "0395 The mboxq allocation failed\n");
3688 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3690 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3691 "0396 The lpfc_dmabuf allocation failed\n");
3694 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3696 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3697 "0397 The mbuf allocation failed\n");
3698 goto out_free_dmabuf
;
3701 /* Cleanup any outstanding ELS commands */
3702 lpfc_els_flush_all_cmd(phba
);
3704 /* Block ELS IOCBs until we have done process link event */
3705 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3707 /* Update link event statistics */
3708 phba
->sli
.slistat
.link_event
++;
3710 /* Create lpfc_handle_latt mailbox command from link ACQE */
3711 lpfc_read_topology(phba
, pmb
, mp
);
3712 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3713 pmb
->vport
= phba
->pport
;
3715 /* Keep the link status for extra SLI4 state machine reference */
3716 phba
->sli4_hba
.link_state
.speed
=
3717 lpfc_sli4_port_speed_parse(phba
, LPFC_TRAILER_CODE_LINK
,
3718 bf_get(lpfc_acqe_link_speed
, acqe_link
));
3719 phba
->sli4_hba
.link_state
.duplex
=
3720 bf_get(lpfc_acqe_link_duplex
, acqe_link
);
3721 phba
->sli4_hba
.link_state
.status
=
3722 bf_get(lpfc_acqe_link_status
, acqe_link
);
3723 phba
->sli4_hba
.link_state
.type
=
3724 bf_get(lpfc_acqe_link_type
, acqe_link
);
3725 phba
->sli4_hba
.link_state
.number
=
3726 bf_get(lpfc_acqe_link_number
, acqe_link
);
3727 phba
->sli4_hba
.link_state
.fault
=
3728 bf_get(lpfc_acqe_link_fault
, acqe_link
);
3729 phba
->sli4_hba
.link_state
.logical_speed
=
3730 bf_get(lpfc_acqe_logical_link_speed
, acqe_link
) * 10;
3732 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3733 "2900 Async FC/FCoE Link event - Speed:%dGBit "
3734 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
3735 "Logical speed:%dMbps Fault:%d\n",
3736 phba
->sli4_hba
.link_state
.speed
,
3737 phba
->sli4_hba
.link_state
.topology
,
3738 phba
->sli4_hba
.link_state
.status
,
3739 phba
->sli4_hba
.link_state
.type
,
3740 phba
->sli4_hba
.link_state
.number
,
3741 phba
->sli4_hba
.link_state
.logical_speed
,
3742 phba
->sli4_hba
.link_state
.fault
);
3744 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
3745 * topology info. Note: Optional for non FC-AL ports.
3747 if (!(phba
->hba_flag
& HBA_FCOE_MODE
)) {
3748 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3749 if (rc
== MBX_NOT_FINISHED
)
3750 goto out_free_dmabuf
;
3754 * For FCoE Mode: fill in all the topology information we need and call
3755 * the READ_TOPOLOGY completion routine to continue without actually
3756 * sending the READ_TOPOLOGY mailbox command to the port.
3758 /* Parse and translate status field */
3760 mb
->mbxStatus
= lpfc_sli4_parse_latt_fault(phba
, acqe_link
);
3762 /* Parse and translate link attention fields */
3763 la
= (struct lpfc_mbx_read_top
*) &pmb
->u
.mb
.un
.varReadTop
;
3764 la
->eventTag
= acqe_link
->event_tag
;
3765 bf_set(lpfc_mbx_read_top_att_type
, la
, att_type
);
3766 bf_set(lpfc_mbx_read_top_link_spd
, la
,
3767 lpfc_sli4_parse_latt_link_speed(phba
, acqe_link
));
3769 /* Fake the the following irrelvant fields */
3770 bf_set(lpfc_mbx_read_top_topology
, la
, LPFC_TOPOLOGY_PT_PT
);
3771 bf_set(lpfc_mbx_read_top_alpa_granted
, la
, 0);
3772 bf_set(lpfc_mbx_read_top_il
, la
, 0);
3773 bf_set(lpfc_mbx_read_top_pb
, la
, 0);
3774 bf_set(lpfc_mbx_read_top_fa
, la
, 0);
3775 bf_set(lpfc_mbx_read_top_mm
, la
, 0);
3777 /* Invoke the lpfc_handle_latt mailbox command callback function */
3778 lpfc_mbx_cmpl_read_topology(phba
, pmb
);
3785 mempool_free(pmb
, phba
->mbox_mem_pool
);
3789 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
3790 * @phba: pointer to lpfc hba data structure.
3791 * @acqe_fc: pointer to the async fc completion queue entry.
3793 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
3794 * that the event was received and then issue a read_topology mailbox command so
3795 * that the rest of the driver will treat it the same as SLI3.
3798 lpfc_sli4_async_fc_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_fc_la
*acqe_fc
)
3800 struct lpfc_dmabuf
*mp
;
3804 if (bf_get(lpfc_trailer_type
, acqe_fc
) !=
3805 LPFC_FC_LA_EVENT_TYPE_FC_LINK
) {
3806 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3807 "2895 Non FC link Event detected.(%d)\n",
3808 bf_get(lpfc_trailer_type
, acqe_fc
));
3811 /* Keep the link status for extra SLI4 state machine reference */
3812 phba
->sli4_hba
.link_state
.speed
=
3813 lpfc_sli4_port_speed_parse(phba
, LPFC_TRAILER_CODE_FC
,
3814 bf_get(lpfc_acqe_fc_la_speed
, acqe_fc
));
3815 phba
->sli4_hba
.link_state
.duplex
= LPFC_ASYNC_LINK_DUPLEX_FULL
;
3816 phba
->sli4_hba
.link_state
.topology
=
3817 bf_get(lpfc_acqe_fc_la_topology
, acqe_fc
);
3818 phba
->sli4_hba
.link_state
.status
=
3819 bf_get(lpfc_acqe_fc_la_att_type
, acqe_fc
);
3820 phba
->sli4_hba
.link_state
.type
=
3821 bf_get(lpfc_acqe_fc_la_port_type
, acqe_fc
);
3822 phba
->sli4_hba
.link_state
.number
=
3823 bf_get(lpfc_acqe_fc_la_port_number
, acqe_fc
);
3824 phba
->sli4_hba
.link_state
.fault
=
3825 bf_get(lpfc_acqe_link_fault
, acqe_fc
);
3826 phba
->sli4_hba
.link_state
.logical_speed
=
3827 bf_get(lpfc_acqe_fc_la_llink_spd
, acqe_fc
) * 10;
3828 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3829 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
3830 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
3831 "%dMbps Fault:%d\n",
3832 phba
->sli4_hba
.link_state
.speed
,
3833 phba
->sli4_hba
.link_state
.topology
,
3834 phba
->sli4_hba
.link_state
.status
,
3835 phba
->sli4_hba
.link_state
.type
,
3836 phba
->sli4_hba
.link_state
.number
,
3837 phba
->sli4_hba
.link_state
.logical_speed
,
3838 phba
->sli4_hba
.link_state
.fault
);
3839 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3841 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3842 "2897 The mboxq allocation failed\n");
3845 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3847 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3848 "2898 The lpfc_dmabuf allocation failed\n");
3851 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3853 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3854 "2899 The mbuf allocation failed\n");
3855 goto out_free_dmabuf
;
3858 /* Cleanup any outstanding ELS commands */
3859 lpfc_els_flush_all_cmd(phba
);
3861 /* Block ELS IOCBs until we have done process link event */
3862 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3864 /* Update link event statistics */
3865 phba
->sli
.slistat
.link_event
++;
3867 /* Create lpfc_handle_latt mailbox command from link ACQE */
3868 lpfc_read_topology(phba
, pmb
, mp
);
3869 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3870 pmb
->vport
= phba
->pport
;
3872 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3873 if (rc
== MBX_NOT_FINISHED
)
3874 goto out_free_dmabuf
;
3880 mempool_free(pmb
, phba
->mbox_mem_pool
);
3884 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
3885 * @phba: pointer to lpfc hba data structure.
3886 * @acqe_fc: pointer to the async SLI completion queue entry.
3888 * This routine is to handle the SLI4 asynchronous SLI events.
3891 lpfc_sli4_async_sli_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_sli
*acqe_sli
)
3896 struct lpfc_acqe_misconfigured_event
*misconfigured
;
3898 /* special case misconfigured event as it contains data for all ports */
3899 if ((bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
3900 LPFC_SLI_INTF_IF_TYPE_2
) ||
3901 (bf_get(lpfc_trailer_type
, acqe_sli
) !=
3902 LPFC_SLI_EVENT_TYPE_MISCONFIGURED
)) {
3903 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3904 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
3905 "x%08x SLI Event Type:%d\n",
3906 acqe_sli
->event_data1
, acqe_sli
->event_data2
,
3907 bf_get(lpfc_trailer_type
, acqe_sli
));
3911 port_name
= phba
->Port
[0];
3912 if (port_name
== 0x00)
3913 port_name
= '?'; /* get port name is empty */
3915 misconfigured
= (struct lpfc_acqe_misconfigured_event
*)
3916 &acqe_sli
->event_data1
;
3918 /* fetch the status for this port */
3919 switch (phba
->sli4_hba
.lnk_info
.lnk_no
) {
3920 case LPFC_LINK_NUMBER_0
:
3921 status
= bf_get(lpfc_sli_misconfigured_port0
,
3922 &misconfigured
->theEvent
);
3924 case LPFC_LINK_NUMBER_1
:
3925 status
= bf_get(lpfc_sli_misconfigured_port1
,
3926 &misconfigured
->theEvent
);
3928 case LPFC_LINK_NUMBER_2
:
3929 status
= bf_get(lpfc_sli_misconfigured_port2
,
3930 &misconfigured
->theEvent
);
3932 case LPFC_LINK_NUMBER_3
:
3933 status
= bf_get(lpfc_sli_misconfigured_port3
,
3934 &misconfigured
->theEvent
);
3937 status
= ~LPFC_SLI_EVENT_STATUS_VALID
;
3942 case LPFC_SLI_EVENT_STATUS_VALID
:
3943 return; /* no message if the sfp is okay */
3944 case LPFC_SLI_EVENT_STATUS_NOT_PRESENT
:
3945 sprintf(message
, "Optics faulted/incorrectly installed/not " \
3946 "installed - Reseat optics, if issue not "
3947 "resolved, replace.");
3949 case LPFC_SLI_EVENT_STATUS_WRONG_TYPE
:
3951 "Optics of two types installed - Remove one optic or " \
3952 "install matching pair of optics.");
3954 case LPFC_SLI_EVENT_STATUS_UNSUPPORTED
:
3955 sprintf(message
, "Incompatible optics - Replace with " \
3956 "compatible optics for card to function.");
3959 /* firmware is reporting a status we don't know about */
3960 sprintf(message
, "Unknown event status x%02x", status
);
3964 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3965 "3176 Misconfigured Physical Port - "
3966 "Port Name %c %s\n", port_name
, message
);
3970 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
3971 * @vport: pointer to vport data structure.
3973 * This routine is to perform Clear Virtual Link (CVL) on a vport in
3974 * response to a CVL event.
3976 * Return the pointer to the ndlp with the vport if successful, otherwise
3979 static struct lpfc_nodelist
*
3980 lpfc_sli4_perform_vport_cvl(struct lpfc_vport
*vport
)
3982 struct lpfc_nodelist
*ndlp
;
3983 struct Scsi_Host
*shost
;
3984 struct lpfc_hba
*phba
;
3991 ndlp
= lpfc_findnode_did(vport
, Fabric_DID
);
3993 /* Cannot find existing Fabric ndlp, so allocate a new one */
3994 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
3997 lpfc_nlp_init(vport
, ndlp
, Fabric_DID
);
3998 /* Set the node type */
3999 ndlp
->nlp_type
|= NLP_FABRIC
;
4000 /* Put ndlp onto node list */
4001 lpfc_enqueue_node(vport
, ndlp
);
4002 } else if (!NLP_CHK_NODE_ACT(ndlp
)) {
4003 /* re-setup ndlp without removing from node list */
4004 ndlp
= lpfc_enable_node(vport
, ndlp
, NLP_STE_UNUSED_NODE
);
4008 if ((phba
->pport
->port_state
< LPFC_FLOGI
) &&
4009 (phba
->pport
->port_state
!= LPFC_VPORT_FAILED
))
4011 /* If virtual link is not yet instantiated ignore CVL */
4012 if ((vport
!= phba
->pport
) && (vport
->port_state
< LPFC_FDISC
)
4013 && (vport
->port_state
!= LPFC_VPORT_FAILED
))
4015 shost
= lpfc_shost_from_vport(vport
);
4018 lpfc_linkdown_port(vport
);
4019 lpfc_cleanup_pending_mbox(vport
);
4020 spin_lock_irq(shost
->host_lock
);
4021 vport
->fc_flag
|= FC_VPORT_CVL_RCVD
;
4022 spin_unlock_irq(shost
->host_lock
);
4028 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
4029 * @vport: pointer to lpfc hba data structure.
4031 * This routine is to perform Clear Virtual Link (CVL) on all vports in
4032 * response to a FCF dead event.
4035 lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba
*phba
)
4037 struct lpfc_vport
**vports
;
4040 vports
= lpfc_create_vport_work_array(phba
);
4042 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
4043 lpfc_sli4_perform_vport_cvl(vports
[i
]);
4044 lpfc_destroy_vport_work_array(phba
, vports
);
4048 * lpfc_sli4_perform_inuse_fcf_recovery - Perform inuse fcf recovery
4049 * @vport: pointer to lpfc hba data structure.
4051 * This routine is to perform FCF recovery when the in-use FCF either dead or
4055 lpfc_sli4_perform_inuse_fcf_recovery(struct lpfc_hba
*phba
,
4056 struct lpfc_acqe_fip
*acqe_fip
)
4060 spin_lock_irq(&phba
->hbalock
);
4061 /* Mark the fast failover process in progress */
4062 phba
->fcf
.fcf_flag
|= FCF_DEAD_DISC
;
4063 spin_unlock_irq(&phba
->hbalock
);
4065 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4066 "2771 Start FCF fast failover process due to in-use "
4067 "FCF DEAD/MODIFIED event: evt_tag:x%x, index:x%x\n",
4068 acqe_fip
->event_tag
, acqe_fip
->index
);
4069 rc
= lpfc_sli4_redisc_fcf_table(phba
);
4071 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4072 "2772 Issue FCF rediscover mabilbox command "
4073 "failed, fail through to FCF dead event\n");
4074 spin_lock_irq(&phba
->hbalock
);
4075 phba
->fcf
.fcf_flag
&= ~FCF_DEAD_DISC
;
4076 spin_unlock_irq(&phba
->hbalock
);
4078 * Last resort will fail over by treating this as a link
4079 * down to FCF registration.
4081 lpfc_sli4_fcf_dead_failthrough(phba
);
4083 /* Reset FCF roundrobin bmask for new discovery */
4084 lpfc_sli4_clear_fcf_rr_bmask(phba
);
4086 * Handling fast FCF failover to a DEAD FCF event is
4087 * considered equalivant to receiving CVL to all vports.
4089 lpfc_sli4_perform_all_vport_cvl(phba
);
4094 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
4095 * @phba: pointer to lpfc hba data structure.
4096 * @acqe_link: pointer to the async fcoe completion queue entry.
4098 * This routine is to handle the SLI4 asynchronous fcoe event.
4101 lpfc_sli4_async_fip_evt(struct lpfc_hba
*phba
,
4102 struct lpfc_acqe_fip
*acqe_fip
)
4104 uint8_t event_type
= bf_get(lpfc_trailer_type
, acqe_fip
);
4106 struct lpfc_vport
*vport
;
4107 struct lpfc_nodelist
*ndlp
;
4108 struct Scsi_Host
*shost
;
4109 int active_vlink_present
;
4110 struct lpfc_vport
**vports
;
4113 phba
->fc_eventTag
= acqe_fip
->event_tag
;
4114 phba
->fcoe_eventtag
= acqe_fip
->event_tag
;
4115 switch (event_type
) {
4116 case LPFC_FIP_EVENT_TYPE_NEW_FCF
:
4117 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD
:
4118 if (event_type
== LPFC_FIP_EVENT_TYPE_NEW_FCF
)
4119 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4121 "2546 New FCF event, evt_tag:x%x, "
4123 acqe_fip
->event_tag
,
4126 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
|
4128 "2788 FCF param modified event, "
4129 "evt_tag:x%x, index:x%x\n",
4130 acqe_fip
->event_tag
,
4132 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4134 * During period of FCF discovery, read the FCF
4135 * table record indexed by the event to update
4136 * FCF roundrobin failover eligible FCF bmask.
4138 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
4140 "2779 Read FCF (x%x) for updating "
4141 "roundrobin FCF failover bmask\n",
4143 rc
= lpfc_sli4_read_fcf_rec(phba
, acqe_fip
->index
);
4146 /* If the FCF discovery is in progress, do nothing. */
4147 spin_lock_irq(&phba
->hbalock
);
4148 if (phba
->hba_flag
& FCF_TS_INPROG
) {
4149 spin_unlock_irq(&phba
->hbalock
);
4152 /* If fast FCF failover rescan event is pending, do nothing */
4153 if (phba
->fcf
.fcf_flag
& FCF_REDISC_EVT
) {
4154 spin_unlock_irq(&phba
->hbalock
);
4158 /* If FCF has been in discovered state, perform rediscovery
4159 * only if the FCF with the same index of the in-use FCF got
4160 * modified during normal operation. Otherwise, do nothing.
4162 if (phba
->pport
->port_state
> LPFC_FLOGI
) {
4163 spin_unlock_irq(&phba
->hbalock
);
4164 if (phba
->fcf
.current_rec
.fcf_indx
==
4166 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
4167 "3300 In-use FCF (%d) "
4168 "modified, perform FCF "
4171 lpfc_sli4_perform_inuse_fcf_recovery(phba
,
4176 spin_unlock_irq(&phba
->hbalock
);
4178 /* Otherwise, scan the entire FCF table and re-discover SAN */
4179 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4180 "2770 Start FCF table scan per async FCF "
4181 "event, evt_tag:x%x, index:x%x\n",
4182 acqe_fip
->event_tag
, acqe_fip
->index
);
4183 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
4184 LPFC_FCOE_FCF_GET_FIRST
);
4186 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4187 "2547 Issue FCF scan read FCF mailbox "
4188 "command failed (x%x)\n", rc
);
4191 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL
:
4192 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4193 "2548 FCF Table full count 0x%x tag 0x%x\n",
4194 bf_get(lpfc_acqe_fip_fcf_count
, acqe_fip
),
4195 acqe_fip
->event_tag
);
4198 case LPFC_FIP_EVENT_TYPE_FCF_DEAD
:
4199 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
4200 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4201 "2549 FCF (x%x) disconnected from network, "
4202 "tag:x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
4204 * If we are in the middle of FCF failover process, clear
4205 * the corresponding FCF bit in the roundrobin bitmap.
4207 spin_lock_irq(&phba
->hbalock
);
4208 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4209 spin_unlock_irq(&phba
->hbalock
);
4210 /* Update FLOGI FCF failover eligible FCF bmask */
4211 lpfc_sli4_fcf_rr_index_clear(phba
, acqe_fip
->index
);
4214 spin_unlock_irq(&phba
->hbalock
);
4216 /* If the event is not for currently used fcf do nothing */
4217 if (phba
->fcf
.current_rec
.fcf_indx
!= acqe_fip
->index
)
4221 * Otherwise, request the port to rediscover the entire FCF
4222 * table for a fast recovery from case that the current FCF
4223 * is no longer valid as we are not in the middle of FCF
4224 * failover process already.
4226 lpfc_sli4_perform_inuse_fcf_recovery(phba
, acqe_fip
);
4228 case LPFC_FIP_EVENT_TYPE_CVL
:
4229 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
4230 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4231 "2718 Clear Virtual Link Received for VPI 0x%x"
4232 " tag 0x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
4234 vport
= lpfc_find_vport_by_vpid(phba
,
4236 ndlp
= lpfc_sli4_perform_vport_cvl(vport
);
4239 active_vlink_present
= 0;
4241 vports
= lpfc_create_vport_work_array(phba
);
4243 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
;
4245 if ((!(vports
[i
]->fc_flag
&
4246 FC_VPORT_CVL_RCVD
)) &&
4247 (vports
[i
]->port_state
> LPFC_FDISC
)) {
4248 active_vlink_present
= 1;
4252 lpfc_destroy_vport_work_array(phba
, vports
);
4255 if (active_vlink_present
) {
4257 * If there are other active VLinks present,
4258 * re-instantiate the Vlink using FDISC.
4260 mod_timer(&ndlp
->nlp_delayfunc
,
4261 jiffies
+ msecs_to_jiffies(1000));
4262 shost
= lpfc_shost_from_vport(vport
);
4263 spin_lock_irq(shost
->host_lock
);
4264 ndlp
->nlp_flag
|= NLP_DELAY_TMO
;
4265 spin_unlock_irq(shost
->host_lock
);
4266 ndlp
->nlp_last_elscmd
= ELS_CMD_FDISC
;
4267 vport
->port_state
= LPFC_FDISC
;
4270 * Otherwise, we request port to rediscover
4271 * the entire FCF table for a fast recovery
4272 * from possible case that the current FCF
4273 * is no longer valid if we are not already
4274 * in the FCF failover process.
4276 spin_lock_irq(&phba
->hbalock
);
4277 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4278 spin_unlock_irq(&phba
->hbalock
);
4281 /* Mark the fast failover process in progress */
4282 phba
->fcf
.fcf_flag
|= FCF_ACVL_DISC
;
4283 spin_unlock_irq(&phba
->hbalock
);
4284 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
4286 "2773 Start FCF failover per CVL, "
4287 "evt_tag:x%x\n", acqe_fip
->event_tag
);
4288 rc
= lpfc_sli4_redisc_fcf_table(phba
);
4290 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4292 "2774 Issue FCF rediscover "
4293 "mabilbox command failed, "
4294 "through to CVL event\n");
4295 spin_lock_irq(&phba
->hbalock
);
4296 phba
->fcf
.fcf_flag
&= ~FCF_ACVL_DISC
;
4297 spin_unlock_irq(&phba
->hbalock
);
4299 * Last resort will be re-try on the
4300 * the current registered FCF entry.
4302 lpfc_retry_pport_discovery(phba
);
4305 * Reset FCF roundrobin bmask for new
4308 lpfc_sli4_clear_fcf_rr_bmask(phba
);
4312 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4313 "0288 Unknown FCoE event type 0x%x event tag "
4314 "0x%x\n", event_type
, acqe_fip
->event_tag
);
4320 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
4321 * @phba: pointer to lpfc hba data structure.
4322 * @acqe_link: pointer to the async dcbx completion queue entry.
4324 * This routine is to handle the SLI4 asynchronous dcbx event.
4327 lpfc_sli4_async_dcbx_evt(struct lpfc_hba
*phba
,
4328 struct lpfc_acqe_dcbx
*acqe_dcbx
)
4330 phba
->fc_eventTag
= acqe_dcbx
->event_tag
;
4331 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4332 "0290 The SLI4 DCBX asynchronous event is not "
4337 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
4338 * @phba: pointer to lpfc hba data structure.
4339 * @acqe_link: pointer to the async grp5 completion queue entry.
4341 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
4342 * is an asynchronous notified of a logical link speed change. The Port
4343 * reports the logical link speed in units of 10Mbps.
4346 lpfc_sli4_async_grp5_evt(struct lpfc_hba
*phba
,
4347 struct lpfc_acqe_grp5
*acqe_grp5
)
4349 uint16_t prev_ll_spd
;
4351 phba
->fc_eventTag
= acqe_grp5
->event_tag
;
4352 phba
->fcoe_eventtag
= acqe_grp5
->event_tag
;
4353 prev_ll_spd
= phba
->sli4_hba
.link_state
.logical_speed
;
4354 phba
->sli4_hba
.link_state
.logical_speed
=
4355 (bf_get(lpfc_acqe_grp5_llink_spd
, acqe_grp5
)) * 10;
4356 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4357 "2789 GRP5 Async Event: Updating logical link speed "
4358 "from %dMbps to %dMbps\n", prev_ll_spd
,
4359 phba
->sli4_hba
.link_state
.logical_speed
);
4363 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
4364 * @phba: pointer to lpfc hba data structure.
4366 * This routine is invoked by the worker thread to process all the pending
4367 * SLI4 asynchronous events.
4369 void lpfc_sli4_async_event_proc(struct lpfc_hba
*phba
)
4371 struct lpfc_cq_event
*cq_event
;
4373 /* First, declare the async event has been handled */
4374 spin_lock_irq(&phba
->hbalock
);
4375 phba
->hba_flag
&= ~ASYNC_EVENT
;
4376 spin_unlock_irq(&phba
->hbalock
);
4377 /* Now, handle all the async events */
4378 while (!list_empty(&phba
->sli4_hba
.sp_asynce_work_queue
)) {
4379 /* Get the first event from the head of the event queue */
4380 spin_lock_irq(&phba
->hbalock
);
4381 list_remove_head(&phba
->sli4_hba
.sp_asynce_work_queue
,
4382 cq_event
, struct lpfc_cq_event
, list
);
4383 spin_unlock_irq(&phba
->hbalock
);
4384 /* Process the asynchronous event */
4385 switch (bf_get(lpfc_trailer_code
, &cq_event
->cqe
.mcqe_cmpl
)) {
4386 case LPFC_TRAILER_CODE_LINK
:
4387 lpfc_sli4_async_link_evt(phba
,
4388 &cq_event
->cqe
.acqe_link
);
4390 case LPFC_TRAILER_CODE_FCOE
:
4391 lpfc_sli4_async_fip_evt(phba
, &cq_event
->cqe
.acqe_fip
);
4393 case LPFC_TRAILER_CODE_DCBX
:
4394 lpfc_sli4_async_dcbx_evt(phba
,
4395 &cq_event
->cqe
.acqe_dcbx
);
4397 case LPFC_TRAILER_CODE_GRP5
:
4398 lpfc_sli4_async_grp5_evt(phba
,
4399 &cq_event
->cqe
.acqe_grp5
);
4401 case LPFC_TRAILER_CODE_FC
:
4402 lpfc_sli4_async_fc_evt(phba
, &cq_event
->cqe
.acqe_fc
);
4404 case LPFC_TRAILER_CODE_SLI
:
4405 lpfc_sli4_async_sli_evt(phba
, &cq_event
->cqe
.acqe_sli
);
4408 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4409 "1804 Invalid asynchrous event code: "
4410 "x%x\n", bf_get(lpfc_trailer_code
,
4411 &cq_event
->cqe
.mcqe_cmpl
));
4414 /* Free the completion event processed to the free pool */
4415 lpfc_sli4_cq_event_release(phba
, cq_event
);
4420 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
4421 * @phba: pointer to lpfc hba data structure.
4423 * This routine is invoked by the worker thread to process FCF table
4424 * rediscovery pending completion event.
4426 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba
*phba
)
4430 spin_lock_irq(&phba
->hbalock
);
4431 /* Clear FCF rediscovery timeout event */
4432 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_EVT
;
4433 /* Clear driver fast failover FCF record flag */
4434 phba
->fcf
.failover_rec
.flag
= 0;
4435 /* Set state for FCF fast failover */
4436 phba
->fcf
.fcf_flag
|= FCF_REDISC_FOV
;
4437 spin_unlock_irq(&phba
->hbalock
);
4439 /* Scan FCF table from the first entry to re-discover SAN */
4440 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4441 "2777 Start post-quiescent FCF table scan\n");
4442 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
, LPFC_FCOE_FCF_GET_FIRST
);
4444 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4445 "2747 Issue FCF scan read FCF mailbox "
4446 "command failed 0x%x\n", rc
);
4450 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
4451 * @phba: pointer to lpfc hba data structure.
4452 * @dev_grp: The HBA PCI-Device group number.
4454 * This routine is invoked to set up the per HBA PCI-Device group function
4455 * API jump table entries.
4457 * Return: 0 if success, otherwise -ENODEV
4460 lpfc_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
4464 /* Set up lpfc PCI-device group */
4465 phba
->pci_dev_grp
= dev_grp
;
4467 /* The LPFC_PCI_DEV_OC uses SLI4 */
4468 if (dev_grp
== LPFC_PCI_DEV_OC
)
4469 phba
->sli_rev
= LPFC_SLI_REV4
;
4471 /* Set up device INIT API function jump table */
4472 rc
= lpfc_init_api_table_setup(phba
, dev_grp
);
4475 /* Set up SCSI API function jump table */
4476 rc
= lpfc_scsi_api_table_setup(phba
, dev_grp
);
4479 /* Set up SLI API function jump table */
4480 rc
= lpfc_sli_api_table_setup(phba
, dev_grp
);
4483 /* Set up MBOX API function jump table */
4484 rc
= lpfc_mbox_api_table_setup(phba
, dev_grp
);
4492 * lpfc_log_intr_mode - Log the active interrupt mode
4493 * @phba: pointer to lpfc hba data structure.
4494 * @intr_mode: active interrupt mode adopted.
4496 * This routine it invoked to log the currently used active interrupt mode
4499 static void lpfc_log_intr_mode(struct lpfc_hba
*phba
, uint32_t intr_mode
)
4501 switch (intr_mode
) {
4503 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4504 "0470 Enable INTx interrupt mode.\n");
4507 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4508 "0481 Enabled MSI interrupt mode.\n");
4511 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4512 "0480 Enabled MSI-X interrupt mode.\n");
4515 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4516 "0482 Illegal interrupt mode.\n");
4523 * lpfc_enable_pci_dev - Enable a generic PCI device.
4524 * @phba: pointer to lpfc hba data structure.
4526 * This routine is invoked to enable the PCI device that is common to all
4531 * other values - error
4534 lpfc_enable_pci_dev(struct lpfc_hba
*phba
)
4536 struct pci_dev
*pdev
;
4539 /* Obtain PCI device reference */
4543 pdev
= phba
->pcidev
;
4544 /* Select PCI BARs */
4545 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
4546 /* Enable PCI device */
4547 if (pci_enable_device_mem(pdev
))
4549 /* Request PCI resource for the device */
4550 if (pci_request_selected_regions(pdev
, bars
, LPFC_DRIVER_NAME
))
4551 goto out_disable_device
;
4552 /* Set up device as PCI master and save state for EEH */
4553 pci_set_master(pdev
);
4554 pci_try_set_mwi(pdev
);
4555 pci_save_state(pdev
);
4557 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
4558 if (pci_find_capability(pdev
, PCI_CAP_ID_EXP
))
4559 pdev
->needs_freset
= 1;
4564 pci_disable_device(pdev
);
4566 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4567 "1401 Failed to enable pci device, bars:x%x\n", bars
);
4572 * lpfc_disable_pci_dev - Disable a generic PCI device.
4573 * @phba: pointer to lpfc hba data structure.
4575 * This routine is invoked to disable the PCI device that is common to all
4579 lpfc_disable_pci_dev(struct lpfc_hba
*phba
)
4581 struct pci_dev
*pdev
;
4584 /* Obtain PCI device reference */
4588 pdev
= phba
->pcidev
;
4589 /* Select PCI BARs */
4590 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
4591 /* Release PCI resource and disable PCI device */
4592 pci_release_selected_regions(pdev
, bars
);
4593 pci_disable_device(pdev
);
4594 /* Null out PCI private reference to driver */
4595 pci_set_drvdata(pdev
, NULL
);
4601 * lpfc_reset_hba - Reset a hba
4602 * @phba: pointer to lpfc hba data structure.
4604 * This routine is invoked to reset a hba device. It brings the HBA
4605 * offline, performs a board restart, and then brings the board back
4606 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
4607 * on outstanding mailbox commands.
4610 lpfc_reset_hba(struct lpfc_hba
*phba
)
4612 /* If resets are disabled then set error state and return. */
4613 if (!phba
->cfg_enable_hba_reset
) {
4614 phba
->link_state
= LPFC_HBA_ERROR
;
4617 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
4619 lpfc_sli_brdrestart(phba
);
4621 lpfc_unblock_mgmt_io(phba
);
4625 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
4626 * @phba: pointer to lpfc hba data structure.
4628 * This function enables the PCI SR-IOV virtual functions to a physical
4629 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4630 * enable the number of virtual functions to the physical function. As
4631 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4632 * API call does not considered as an error condition for most of the device.
4635 lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba
*phba
)
4637 struct pci_dev
*pdev
= phba
->pcidev
;
4641 pos
= pci_find_ext_capability(pdev
, PCI_EXT_CAP_ID_SRIOV
);
4645 pci_read_config_word(pdev
, pos
+ PCI_SRIOV_TOTAL_VF
, &nr_virtfn
);
4650 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
4651 * @phba: pointer to lpfc hba data structure.
4652 * @nr_vfn: number of virtual functions to be enabled.
4654 * This function enables the PCI SR-IOV virtual functions to a physical
4655 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4656 * enable the number of virtual functions to the physical function. As
4657 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4658 * API call does not considered as an error condition for most of the device.
4661 lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba
*phba
, int nr_vfn
)
4663 struct pci_dev
*pdev
= phba
->pcidev
;
4664 uint16_t max_nr_vfn
;
4667 max_nr_vfn
= lpfc_sli_sriov_nr_virtfn_get(phba
);
4668 if (nr_vfn
> max_nr_vfn
) {
4669 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4670 "3057 Requested vfs (%d) greater than "
4671 "supported vfs (%d)", nr_vfn
, max_nr_vfn
);
4675 rc
= pci_enable_sriov(pdev
, nr_vfn
);
4677 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4678 "2806 Failed to enable sriov on this device "
4679 "with vfn number nr_vf:%d, rc:%d\n",
4682 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4683 "2807 Successful enable sriov on this device "
4684 "with vfn number nr_vf:%d\n", nr_vfn
);
4689 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
4690 * @phba: pointer to lpfc hba data structure.
4692 * This routine is invoked to set up the driver internal resources specific to
4693 * support the SLI-3 HBA device it attached to.
4697 * other values - error
4700 lpfc_sli_driver_resource_setup(struct lpfc_hba
*phba
)
4702 struct lpfc_sli
*psli
;
4706 * Initialize timers used by driver
4709 /* Heartbeat timer */
4710 init_timer(&phba
->hb_tmofunc
);
4711 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4712 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4715 /* MBOX heartbeat timer */
4716 init_timer(&psli
->mbox_tmo
);
4717 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4718 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4719 /* FCP polling mode timer */
4720 init_timer(&phba
->fcp_poll_timer
);
4721 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
4722 phba
->fcp_poll_timer
.data
= (unsigned long) phba
;
4723 /* Fabric block timer */
4724 init_timer(&phba
->fabric_block_timer
);
4725 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4726 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4727 /* EA polling mode timer */
4728 init_timer(&phba
->eratt_poll
);
4729 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4730 phba
->eratt_poll
.data
= (unsigned long) phba
;
4732 /* Host attention work mask setup */
4733 phba
->work_ha_mask
= (HA_ERATT
| HA_MBATT
| HA_LATT
);
4734 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
4736 /* Get all the module params for configuring this host */
4737 lpfc_get_cfgparam(phba
);
4738 if (phba
->pcidev
->device
== PCI_DEVICE_ID_HORNET
) {
4739 phba
->menlo_flag
|= HBA_MENLO_SUPPORT
;
4740 /* check for menlo minimum sg count */
4741 if (phba
->cfg_sg_seg_cnt
< LPFC_DEFAULT_MENLO_SG_SEG_CNT
)
4742 phba
->cfg_sg_seg_cnt
= LPFC_DEFAULT_MENLO_SG_SEG_CNT
;
4745 if (!phba
->sli
.ring
)
4746 phba
->sli
.ring
= (struct lpfc_sli_ring
*)
4747 kzalloc(LPFC_SLI3_MAX_RING
*
4748 sizeof(struct lpfc_sli_ring
), GFP_KERNEL
);
4749 if (!phba
->sli
.ring
)
4753 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
4754 * used to create the sg_dma_buf_pool must be dynamically calculated.
4757 /* Initialize the host templates the configured values. */
4758 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4759 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4761 /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */
4762 if (phba
->cfg_enable_bg
) {
4764 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
4765 * the FCP rsp, and a BDE for each. Sice we have no control
4766 * over how many protection data segments the SCSI Layer
4767 * will hand us (ie: there could be one for every block
4768 * in the IO), we just allocate enough BDEs to accomidate
4769 * our max amount and we need to limit lpfc_sg_seg_cnt to
4770 * minimize the risk of running out.
4772 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
4773 sizeof(struct fcp_rsp
) +
4774 (LPFC_MAX_SG_SEG_CNT
* sizeof(struct ulp_bde64
));
4776 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SG_SEG_CNT_DIF
)
4777 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SEG_CNT_DIF
;
4779 /* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */
4780 phba
->cfg_total_seg_cnt
= LPFC_MAX_SG_SEG_CNT
;
4783 * The scsi_buf for a regular I/O will hold the FCP cmnd,
4784 * the FCP rsp, a BDE for each, and a BDE for up to
4785 * cfg_sg_seg_cnt data segments.
4787 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
4788 sizeof(struct fcp_rsp
) +
4789 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct ulp_bde64
));
4791 /* Total BDEs in BPL for scsi_sg_list */
4792 phba
->cfg_total_seg_cnt
= phba
->cfg_sg_seg_cnt
+ 2;
4795 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
| LOG_FCP
,
4796 "9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n",
4797 phba
->cfg_sg_seg_cnt
, phba
->cfg_sg_dma_buf_size
,
4798 phba
->cfg_total_seg_cnt
);
4800 phba
->max_vpi
= LPFC_MAX_VPI
;
4801 /* This will be set to correct value after config_port mbox */
4802 phba
->max_vports
= 0;
4805 * Initialize the SLI Layer to run with lpfc HBAs.
4807 lpfc_sli_setup(phba
);
4808 lpfc_sli_queue_setup(phba
);
4810 /* Allocate device driver memory */
4811 if (lpfc_mem_alloc(phba
, BPL_ALIGN_SZ
))
4815 * Enable sr-iov virtual functions if supported and configured
4816 * through the module parameter.
4818 if (phba
->cfg_sriov_nr_virtfn
> 0) {
4819 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
4820 phba
->cfg_sriov_nr_virtfn
);
4822 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4823 "2808 Requested number of SR-IOV "
4824 "virtual functions (%d) is not "
4826 phba
->cfg_sriov_nr_virtfn
);
4827 phba
->cfg_sriov_nr_virtfn
= 0;
4835 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
4836 * @phba: pointer to lpfc hba data structure.
4838 * This routine is invoked to unset the driver internal resources set up
4839 * specific for supporting the SLI-3 HBA device it attached to.
4842 lpfc_sli_driver_resource_unset(struct lpfc_hba
*phba
)
4844 /* Free device driver memory allocated */
4845 lpfc_mem_free_all(phba
);
4851 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
4852 * @phba: pointer to lpfc hba data structure.
4854 * This routine is invoked to set up the driver internal resources specific to
4855 * support the SLI-4 HBA device it attached to.
4859 * other values - error
4862 lpfc_sli4_driver_resource_setup(struct lpfc_hba
*phba
)
4864 struct lpfc_sli
*psli
;
4865 LPFC_MBOXQ_t
*mboxq
;
4866 int rc
, i
, hbq_count
, max_buf_size
;
4867 uint8_t pn_page
[LPFC_MAX_SUPPORTED_PAGES
] = {0};
4868 struct lpfc_mqe
*mqe
;
4871 /* Before proceed, wait for POST done and device ready */
4872 rc
= lpfc_sli4_post_status_check(phba
);
4877 * Initialize timers used by driver
4880 /* Heartbeat timer */
4881 init_timer(&phba
->hb_tmofunc
);
4882 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4883 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4884 init_timer(&phba
->rrq_tmr
);
4885 phba
->rrq_tmr
.function
= lpfc_rrq_timeout
;
4886 phba
->rrq_tmr
.data
= (unsigned long)phba
;
4889 /* MBOX heartbeat timer */
4890 init_timer(&psli
->mbox_tmo
);
4891 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4892 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4893 /* Fabric block timer */
4894 init_timer(&phba
->fabric_block_timer
);
4895 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4896 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4897 /* EA polling mode timer */
4898 init_timer(&phba
->eratt_poll
);
4899 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4900 phba
->eratt_poll
.data
= (unsigned long) phba
;
4901 /* FCF rediscover timer */
4902 init_timer(&phba
->fcf
.redisc_wait
);
4903 phba
->fcf
.redisc_wait
.function
= lpfc_sli4_fcf_redisc_wait_tmo
;
4904 phba
->fcf
.redisc_wait
.data
= (unsigned long)phba
;
4907 * Control structure for handling external multi-buffer mailbox
4908 * command pass-through.
4910 memset((uint8_t *)&phba
->mbox_ext_buf_ctx
, 0,
4911 sizeof(struct lpfc_mbox_ext_buf_ctx
));
4912 INIT_LIST_HEAD(&phba
->mbox_ext_buf_ctx
.ext_dmabuf_list
);
4915 * We need to do a READ_CONFIG mailbox command here before
4916 * calling lpfc_get_cfgparam. For VFs this will report the
4917 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
4918 * All of the resources allocated
4919 * for this Port are tied to these values.
4921 /* Get all the module params for configuring this host */
4922 lpfc_get_cfgparam(phba
);
4923 phba
->max_vpi
= LPFC_MAX_VPI
;
4925 /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
4926 phba
->cfg_fcp_io_channel
= phba
->cfg_fcp_eq_count
;
4928 /* This will be set to correct value after the read_config mbox */
4929 phba
->max_vports
= 0;
4931 /* Program the default value of vlan_id and fc_map */
4932 phba
->valid_vlan
= 0;
4933 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
4934 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
4935 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
4938 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
4939 * we will associate a new ring, for each FCP fastpath EQ/CQ/WQ tuple.
4941 if (!phba
->sli
.ring
)
4942 phba
->sli
.ring
= kzalloc(
4943 (LPFC_SLI3_MAX_RING
+ phba
->cfg_fcp_io_channel
) *
4944 sizeof(struct lpfc_sli_ring
), GFP_KERNEL
);
4945 if (!phba
->sli
.ring
)
4949 * It doesn't matter what family our adapter is in, we are
4950 * limited to 2 Pages, 512 SGEs, for our SGL.
4951 * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp
4953 max_buf_size
= (2 * SLI4_PAGE_SIZE
);
4954 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SGL_SEG_CNT
- 2)
4955 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SGL_SEG_CNT
- 2;
4958 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
4959 * used to create the sg_dma_buf_pool must be dynamically calculated.
4962 if (phba
->cfg_enable_bg
) {
4964 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
4965 * the FCP rsp, and a SGE for each. Sice we have no control
4966 * over how many protection data segments the SCSI Layer
4967 * will hand us (ie: there could be one for every block
4968 * in the IO), we just allocate enough SGEs to accomidate
4969 * our max amount and we need to limit lpfc_sg_seg_cnt to
4970 * minimize the risk of running out.
4972 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
4973 sizeof(struct fcp_rsp
) + max_buf_size
;
4975 /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */
4976 phba
->cfg_total_seg_cnt
= LPFC_MAX_SGL_SEG_CNT
;
4978 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SG_SLI4_SEG_CNT_DIF
)
4979 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SLI4_SEG_CNT_DIF
;
4982 * The scsi_buf for a regular I/O will hold the FCP cmnd,
4983 * the FCP rsp, a SGE for each, and a SGE for up to
4984 * cfg_sg_seg_cnt data segments.
4986 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
4987 sizeof(struct fcp_rsp
) +
4988 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct sli4_sge
));
4990 /* Total SGEs for scsi_sg_list */
4991 phba
->cfg_total_seg_cnt
= phba
->cfg_sg_seg_cnt
+ 2;
4993 * NOTE: if (phba->cfg_sg_seg_cnt + 2) <= 256 we only need
4994 * to post 1 page for the SGL.
4998 /* Initialize the host templates with the updated values. */
4999 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5000 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5002 if (phba
->cfg_sg_dma_buf_size
<= LPFC_MIN_SG_SLI4_BUF_SZ
)
5003 phba
->cfg_sg_dma_buf_size
= LPFC_MIN_SG_SLI4_BUF_SZ
;
5005 phba
->cfg_sg_dma_buf_size
=
5006 SLI4_PAGE_ALIGN(phba
->cfg_sg_dma_buf_size
);
5008 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
| LOG_FCP
,
5009 "9087 sg_tablesize:%d dmabuf_size:%d total_sge:%d\n",
5010 phba
->cfg_sg_seg_cnt
, phba
->cfg_sg_dma_buf_size
,
5011 phba
->cfg_total_seg_cnt
);
5013 /* Initialize buffer queue management fields */
5014 hbq_count
= lpfc_sli_hbq_count();
5015 for (i
= 0; i
< hbq_count
; ++i
)
5016 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
5017 INIT_LIST_HEAD(&phba
->rb_pend_list
);
5018 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_sli4_rb_alloc
;
5019 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_sli4_rb_free
;
5022 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
5024 /* Initialize the Abort scsi buffer list used by driver */
5025 spin_lock_init(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
5026 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
5027 /* This abort list used by worker thread */
5028 spin_lock_init(&phba
->sli4_hba
.abts_sgl_list_lock
);
5031 * Initialize driver internal slow-path work queues
5034 /* Driver internel slow-path CQ Event pool */
5035 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_cqe_event_pool
);
5036 /* Response IOCB work queue list */
5037 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_queue_event
);
5038 /* Asynchronous event CQ Event work queue list */
5039 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_asynce_work_queue
);
5040 /* Fast-path XRI aborted CQ Event work queue list */
5041 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
5042 /* Slow-path XRI aborted CQ Event work queue list */
5043 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
5044 /* Receive queue CQ Event work queue list */
5045 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_unsol_work_queue
);
5047 /* Initialize extent block lists. */
5048 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_blk_list
);
5049 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_xri_blk_list
);
5050 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_vfi_blk_list
);
5051 INIT_LIST_HEAD(&phba
->lpfc_vpi_blk_list
);
5053 /* Initialize the driver internal SLI layer lists. */
5054 lpfc_sli_setup(phba
);
5055 lpfc_sli_queue_setup(phba
);
5057 /* Allocate device driver memory */
5058 rc
= lpfc_mem_alloc(phba
, SGL_ALIGN_SZ
);
5062 /* IF Type 2 ports get initialized now. */
5063 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
5064 LPFC_SLI_INTF_IF_TYPE_2
) {
5065 rc
= lpfc_pci_function_reset(phba
);
5070 /* Create the bootstrap mailbox command */
5071 rc
= lpfc_create_bootstrap_mbox(phba
);
5075 /* Set up the host's endian order with the device. */
5076 rc
= lpfc_setup_endian_order(phba
);
5078 goto out_free_bsmbx
;
5080 /* Set up the hba's configuration parameters. */
5081 rc
= lpfc_sli4_read_config(phba
);
5083 goto out_free_bsmbx
;
5085 /* IF Type 0 ports get initialized now. */
5086 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
5087 LPFC_SLI_INTF_IF_TYPE_0
) {
5088 rc
= lpfc_pci_function_reset(phba
);
5090 goto out_free_bsmbx
;
5093 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
5097 goto out_free_bsmbx
;
5100 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
5101 lpfc_supported_pages(mboxq
);
5102 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5104 mqe
= &mboxq
->u
.mqe
;
5105 memcpy(&pn_page
[0], ((uint8_t *)&mqe
->un
.supp_pages
.word3
),
5106 LPFC_MAX_SUPPORTED_PAGES
);
5107 for (i
= 0; i
< LPFC_MAX_SUPPORTED_PAGES
; i
++) {
5108 switch (pn_page
[i
]) {
5109 case LPFC_SLI4_PARAMETERS
:
5110 phba
->sli4_hba
.pc_sli4_params
.supported
= 1;
5116 /* Read the port's SLI4 Parameters capabilities if supported. */
5117 if (phba
->sli4_hba
.pc_sli4_params
.supported
)
5118 rc
= lpfc_pc_sli4_params_get(phba
, mboxq
);
5120 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5122 goto out_free_bsmbx
;
5126 * Get sli4 parameters that override parameters from Port capabilities.
5127 * If this call fails, it isn't critical unless the SLI4 parameters come
5130 rc
= lpfc_get_sli4_parameters(phba
, mboxq
);
5132 if (phba
->sli4_hba
.extents_in_use
&&
5133 phba
->sli4_hba
.rpi_hdrs_in_use
) {
5134 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5135 "2999 Unsupported SLI4 Parameters "
5136 "Extents and RPI headers enabled.\n");
5137 goto out_free_bsmbx
;
5140 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5141 /* Verify all the SLI4 queues */
5142 rc
= lpfc_sli4_queue_verify(phba
);
5144 goto out_free_bsmbx
;
5146 /* Create driver internal CQE event pool */
5147 rc
= lpfc_sli4_cq_event_pool_create(phba
);
5149 goto out_free_bsmbx
;
5151 /* Initialize sgl lists per host */
5152 lpfc_init_sgl_list(phba
);
5154 /* Allocate and initialize active sgl array */
5155 rc
= lpfc_init_active_sgl_array(phba
);
5157 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5158 "1430 Failed to initialize sgl list.\n");
5159 goto out_destroy_cq_event_pool
;
5161 rc
= lpfc_sli4_init_rpi_hdrs(phba
);
5163 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5164 "1432 Failed to initialize rpi headers.\n");
5165 goto out_free_active_sgl
;
5168 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
5169 longs
= (LPFC_SLI4_FCF_TBL_INDX_MAX
+ BITS_PER_LONG
- 1)/BITS_PER_LONG
;
5170 phba
->fcf
.fcf_rr_bmask
= kzalloc(longs
* sizeof(unsigned long),
5172 if (!phba
->fcf
.fcf_rr_bmask
) {
5173 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5174 "2759 Failed allocate memory for FCF round "
5175 "robin failover bmask\n");
5177 goto out_remove_rpi_hdrs
;
5180 phba
->sli4_hba
.fcp_eq_hdl
=
5181 kzalloc((sizeof(struct lpfc_fcp_eq_hdl
) *
5182 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
5183 if (!phba
->sli4_hba
.fcp_eq_hdl
) {
5184 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5185 "2572 Failed allocate memory for "
5186 "fast-path per-EQ handle array\n");
5188 goto out_free_fcf_rr_bmask
;
5191 phba
->sli4_hba
.msix_entries
= kzalloc((sizeof(struct msix_entry
) *
5192 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
5193 if (!phba
->sli4_hba
.msix_entries
) {
5194 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5195 "2573 Failed allocate memory for msi-x "
5196 "interrupt vector entries\n");
5198 goto out_free_fcp_eq_hdl
;
5202 * Enable sr-iov virtual functions if supported and configured
5203 * through the module parameter.
5205 if (phba
->cfg_sriov_nr_virtfn
> 0) {
5206 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
5207 phba
->cfg_sriov_nr_virtfn
);
5209 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5210 "3020 Requested number of SR-IOV "
5211 "virtual functions (%d) is not "
5213 phba
->cfg_sriov_nr_virtfn
);
5214 phba
->cfg_sriov_nr_virtfn
= 0;
5220 out_free_fcp_eq_hdl
:
5221 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
5222 out_free_fcf_rr_bmask
:
5223 kfree(phba
->fcf
.fcf_rr_bmask
);
5224 out_remove_rpi_hdrs
:
5225 lpfc_sli4_remove_rpi_hdrs(phba
);
5226 out_free_active_sgl
:
5227 lpfc_free_active_sgl(phba
);
5228 out_destroy_cq_event_pool
:
5229 lpfc_sli4_cq_event_pool_destroy(phba
);
5231 lpfc_destroy_bootstrap_mbox(phba
);
5233 lpfc_mem_free(phba
);
5238 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
5239 * @phba: pointer to lpfc hba data structure.
5241 * This routine is invoked to unset the driver internal resources set up
5242 * specific for supporting the SLI-4 HBA device it attached to.
5245 lpfc_sli4_driver_resource_unset(struct lpfc_hba
*phba
)
5247 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
5249 /* Free memory allocated for msi-x interrupt vector entries */
5250 kfree(phba
->sli4_hba
.msix_entries
);
5252 /* Free memory allocated for fast-path work queue handles */
5253 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
5255 /* Free the allocated rpi headers. */
5256 lpfc_sli4_remove_rpi_hdrs(phba
);
5257 lpfc_sli4_remove_rpis(phba
);
5259 /* Free eligible FCF index bmask */
5260 kfree(phba
->fcf
.fcf_rr_bmask
);
5262 /* Free the ELS sgl list */
5263 lpfc_free_active_sgl(phba
);
5264 lpfc_free_els_sgl_list(phba
);
5266 /* Free the completion queue EQ event pool */
5267 lpfc_sli4_cq_event_release_all(phba
);
5268 lpfc_sli4_cq_event_pool_destroy(phba
);
5270 /* Release resource identifiers. */
5271 lpfc_sli4_dealloc_resource_identifiers(phba
);
5273 /* Free the bsmbx region. */
5274 lpfc_destroy_bootstrap_mbox(phba
);
5276 /* Free the SLI Layer memory with SLI4 HBAs */
5277 lpfc_mem_free_all(phba
);
5279 /* Free the current connect table */
5280 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
5281 &phba
->fcf_conn_rec_list
, list
) {
5282 list_del_init(&conn_entry
->list
);
5290 * lpfc_init_api_table_setup - Set up init api function jump table
5291 * @phba: The hba struct for which this call is being executed.
5292 * @dev_grp: The HBA PCI-Device group number.
5294 * This routine sets up the device INIT interface API function jump table
5297 * Returns: 0 - success, -ENODEV - failure.
5300 lpfc_init_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
5302 phba
->lpfc_hba_init_link
= lpfc_hba_init_link
;
5303 phba
->lpfc_hba_down_link
= lpfc_hba_down_link
;
5304 phba
->lpfc_selective_reset
= lpfc_selective_reset
;
5306 case LPFC_PCI_DEV_LP
:
5307 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s3
;
5308 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s3
;
5309 phba
->lpfc_stop_port
= lpfc_stop_port_s3
;
5311 case LPFC_PCI_DEV_OC
:
5312 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s4
;
5313 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s4
;
5314 phba
->lpfc_stop_port
= lpfc_stop_port_s4
;
5317 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5318 "1431 Invalid HBA PCI-device group: 0x%x\n",
5327 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
5328 * @phba: pointer to lpfc hba data structure.
5330 * This routine is invoked to set up the driver internal resources before the
5331 * device specific resource setup to support the HBA device it attached to.
5335 * other values - error
5338 lpfc_setup_driver_resource_phase1(struct lpfc_hba
*phba
)
5341 * Driver resources common to all SLI revisions
5343 atomic_set(&phba
->fast_event_count
, 0);
5344 spin_lock_init(&phba
->hbalock
);
5346 /* Initialize ndlp management spinlock */
5347 spin_lock_init(&phba
->ndlp_lock
);
5349 INIT_LIST_HEAD(&phba
->port_list
);
5350 INIT_LIST_HEAD(&phba
->work_list
);
5351 init_waitqueue_head(&phba
->wait_4_mlo_m_q
);
5353 /* Initialize the wait queue head for the kernel thread */
5354 init_waitqueue_head(&phba
->work_waitq
);
5356 /* Initialize the scsi buffer list used by driver for scsi IO */
5357 spin_lock_init(&phba
->scsi_buf_list_get_lock
);
5358 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_get
);
5359 spin_lock_init(&phba
->scsi_buf_list_put_lock
);
5360 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_put
);
5362 /* Initialize the fabric iocb list */
5363 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
5365 /* Initialize list to save ELS buffers */
5366 INIT_LIST_HEAD(&phba
->elsbuf
);
5368 /* Initialize FCF connection rec list */
5369 INIT_LIST_HEAD(&phba
->fcf_conn_rec_list
);
5375 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
5376 * @phba: pointer to lpfc hba data structure.
5378 * This routine is invoked to set up the driver internal resources after the
5379 * device specific resource setup to support the HBA device it attached to.
5383 * other values - error
5386 lpfc_setup_driver_resource_phase2(struct lpfc_hba
*phba
)
5390 /* Startup the kernel thread for this host adapter. */
5391 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
5392 "lpfc_worker_%d", phba
->brd_no
);
5393 if (IS_ERR(phba
->worker_thread
)) {
5394 error
= PTR_ERR(phba
->worker_thread
);
5402 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
5403 * @phba: pointer to lpfc hba data structure.
5405 * This routine is invoked to unset the driver internal resources set up after
5406 * the device specific resource setup for supporting the HBA device it
5410 lpfc_unset_driver_resource_phase2(struct lpfc_hba
*phba
)
5412 /* Stop kernel worker thread */
5413 kthread_stop(phba
->worker_thread
);
5417 * lpfc_free_iocb_list - Free iocb list.
5418 * @phba: pointer to lpfc hba data structure.
5420 * This routine is invoked to free the driver's IOCB list and memory.
5423 lpfc_free_iocb_list(struct lpfc_hba
*phba
)
5425 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
5427 spin_lock_irq(&phba
->hbalock
);
5428 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
5429 &phba
->lpfc_iocb_list
, list
) {
5430 list_del(&iocbq_entry
->list
);
5432 phba
->total_iocbq_bufs
--;
5434 spin_unlock_irq(&phba
->hbalock
);
5440 * lpfc_init_iocb_list - Allocate and initialize iocb list.
5441 * @phba: pointer to lpfc hba data structure.
5443 * This routine is invoked to allocate and initizlize the driver's IOCB
5444 * list and set up the IOCB tag array accordingly.
5448 * other values - error
5451 lpfc_init_iocb_list(struct lpfc_hba
*phba
, int iocb_count
)
5453 struct lpfc_iocbq
*iocbq_entry
= NULL
;
5457 /* Initialize and populate the iocb list per host. */
5458 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
5459 for (i
= 0; i
< iocb_count
; i
++) {
5460 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
5461 if (iocbq_entry
== NULL
) {
5462 printk(KERN_ERR
"%s: only allocated %d iocbs of "
5463 "expected %d count. Unloading driver.\n",
5464 __func__
, i
, LPFC_IOCB_LIST_CNT
);
5465 goto out_free_iocbq
;
5468 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
5471 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
5472 "Unloading driver.\n", __func__
);
5473 goto out_free_iocbq
;
5475 iocbq_entry
->sli4_lxritag
= NO_XRI
;
5476 iocbq_entry
->sli4_xritag
= NO_XRI
;
5478 spin_lock_irq(&phba
->hbalock
);
5479 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
5480 phba
->total_iocbq_bufs
++;
5481 spin_unlock_irq(&phba
->hbalock
);
5487 lpfc_free_iocb_list(phba
);
5493 * lpfc_free_sgl_list - Free a given sgl list.
5494 * @phba: pointer to lpfc hba data structure.
5495 * @sglq_list: pointer to the head of sgl list.
5497 * This routine is invoked to free a give sgl list and memory.
5500 lpfc_free_sgl_list(struct lpfc_hba
*phba
, struct list_head
*sglq_list
)
5502 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
5504 list_for_each_entry_safe(sglq_entry
, sglq_next
, sglq_list
, list
) {
5505 list_del(&sglq_entry
->list
);
5506 lpfc_mbuf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
5512 * lpfc_free_els_sgl_list - Free els sgl list.
5513 * @phba: pointer to lpfc hba data structure.
5515 * This routine is invoked to free the driver's els sgl list and memory.
5518 lpfc_free_els_sgl_list(struct lpfc_hba
*phba
)
5520 LIST_HEAD(sglq_list
);
5522 /* Retrieve all els sgls from driver list */
5523 spin_lock_irq(&phba
->hbalock
);
5524 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &sglq_list
);
5525 spin_unlock_irq(&phba
->hbalock
);
5527 /* Now free the sgl list */
5528 lpfc_free_sgl_list(phba
, &sglq_list
);
5532 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
5533 * @phba: pointer to lpfc hba data structure.
5535 * This routine is invoked to allocate the driver's active sgl memory.
5536 * This array will hold the sglq_entry's for active IOs.
5539 lpfc_init_active_sgl_array(struct lpfc_hba
*phba
)
5542 size
= sizeof(struct lpfc_sglq
*);
5543 size
*= phba
->sli4_hba
.max_cfg_param
.max_xri
;
5545 phba
->sli4_hba
.lpfc_sglq_active_list
=
5546 kzalloc(size
, GFP_KERNEL
);
5547 if (!phba
->sli4_hba
.lpfc_sglq_active_list
)
5553 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
5554 * @phba: pointer to lpfc hba data structure.
5556 * This routine is invoked to walk through the array of active sglq entries
5557 * and free all of the resources.
5558 * This is just a place holder for now.
5561 lpfc_free_active_sgl(struct lpfc_hba
*phba
)
5563 kfree(phba
->sli4_hba
.lpfc_sglq_active_list
);
5567 * lpfc_init_sgl_list - Allocate and initialize sgl list.
5568 * @phba: pointer to lpfc hba data structure.
5570 * This routine is invoked to allocate and initizlize the driver's sgl
5571 * list and set up the sgl xritag tag array accordingly.
5575 lpfc_init_sgl_list(struct lpfc_hba
*phba
)
5577 /* Initialize and populate the sglq list per host/VF. */
5578 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_sgl_list
);
5579 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
5581 /* els xri-sgl book keeping */
5582 phba
->sli4_hba
.els_xri_cnt
= 0;
5584 /* scsi xri-buffer book keeping */
5585 phba
->sli4_hba
.scsi_xri_cnt
= 0;
5589 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
5590 * @phba: pointer to lpfc hba data structure.
5592 * This routine is invoked to post rpi header templates to the
5593 * port for those SLI4 ports that do not support extents. This routine
5594 * posts a PAGE_SIZE memory region to the port to hold up to
5595 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
5596 * and should be called only when interrupts are disabled.
5600 * -ERROR - otherwise.
5603 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*phba
)
5606 struct lpfc_rpi_hdr
*rpi_hdr
;
5608 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5609 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5611 if (phba
->sli4_hba
.extents_in_use
)
5614 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
5616 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5617 "0391 Error during rpi post operation\n");
5618 lpfc_sli4_remove_rpis(phba
);
5626 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
5627 * @phba: pointer to lpfc hba data structure.
5629 * This routine is invoked to allocate a single 4KB memory region to
5630 * support rpis and stores them in the phba. This single region
5631 * provides support for up to 64 rpis. The region is used globally
5635 * A valid rpi hdr on success.
5636 * A NULL pointer on any failure.
5638 struct lpfc_rpi_hdr
*
5639 lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*phba
)
5641 uint16_t rpi_limit
, curr_rpi_range
;
5642 struct lpfc_dmabuf
*dmabuf
;
5643 struct lpfc_rpi_hdr
*rpi_hdr
;
5647 * If the SLI4 port supports extents, posting the rpi header isn't
5648 * required. Set the expected maximum count and let the actual value
5649 * get set when extents are fully allocated.
5651 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5653 if (phba
->sli4_hba
.extents_in_use
)
5656 /* The limit on the logical index is just the max_rpi count. */
5657 rpi_limit
= phba
->sli4_hba
.max_cfg_param
.rpi_base
+
5658 phba
->sli4_hba
.max_cfg_param
.max_rpi
- 1;
5660 spin_lock_irq(&phba
->hbalock
);
5662 * Establish the starting RPI in this header block. The starting
5663 * rpi is normalized to a zero base because the physical rpi is
5666 curr_rpi_range
= phba
->sli4_hba
.next_rpi
;
5667 spin_unlock_irq(&phba
->hbalock
);
5670 * The port has a limited number of rpis. The increment here
5671 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
5672 * and to allow the full max_rpi range per port.
5674 if ((curr_rpi_range
+ (LPFC_RPI_HDR_COUNT
- 1)) > rpi_limit
)
5675 rpi_count
= rpi_limit
- curr_rpi_range
;
5677 rpi_count
= LPFC_RPI_HDR_COUNT
;
5682 * First allocate the protocol header region for the port. The
5683 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
5685 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
5689 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
5690 LPFC_HDR_TEMPLATE_SIZE
,
5693 if (!dmabuf
->virt
) {
5695 goto err_free_dmabuf
;
5698 memset(dmabuf
->virt
, 0, LPFC_HDR_TEMPLATE_SIZE
);
5699 if (!IS_ALIGNED(dmabuf
->phys
, LPFC_HDR_TEMPLATE_SIZE
)) {
5701 goto err_free_coherent
;
5704 /* Save the rpi header data for cleanup later. */
5705 rpi_hdr
= kzalloc(sizeof(struct lpfc_rpi_hdr
), GFP_KERNEL
);
5707 goto err_free_coherent
;
5709 rpi_hdr
->dmabuf
= dmabuf
;
5710 rpi_hdr
->len
= LPFC_HDR_TEMPLATE_SIZE
;
5711 rpi_hdr
->page_count
= 1;
5712 spin_lock_irq(&phba
->hbalock
);
5714 /* The rpi_hdr stores the logical index only. */
5715 rpi_hdr
->start_rpi
= curr_rpi_range
;
5716 list_add_tail(&rpi_hdr
->list
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5719 * The next_rpi stores the next logical module-64 rpi value used
5720 * to post physical rpis in subsequent rpi postings.
5722 phba
->sli4_hba
.next_rpi
+= rpi_count
;
5723 spin_unlock_irq(&phba
->hbalock
);
5727 dma_free_coherent(&phba
->pcidev
->dev
, LPFC_HDR_TEMPLATE_SIZE
,
5728 dmabuf
->virt
, dmabuf
->phys
);
5735 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
5736 * @phba: pointer to lpfc hba data structure.
5738 * This routine is invoked to remove all memory resources allocated
5739 * to support rpis for SLI4 ports not supporting extents. This routine
5740 * presumes the caller has released all rpis consumed by fabric or port
5741 * logins and is prepared to have the header pages removed.
5744 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*phba
)
5746 struct lpfc_rpi_hdr
*rpi_hdr
, *next_rpi_hdr
;
5748 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5751 list_for_each_entry_safe(rpi_hdr
, next_rpi_hdr
,
5752 &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
5753 list_del(&rpi_hdr
->list
);
5754 dma_free_coherent(&phba
->pcidev
->dev
, rpi_hdr
->len
,
5755 rpi_hdr
->dmabuf
->virt
, rpi_hdr
->dmabuf
->phys
);
5756 kfree(rpi_hdr
->dmabuf
);
5760 /* There are no rpis available to the port now. */
5761 phba
->sli4_hba
.next_rpi
= 0;
5765 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
5766 * @pdev: pointer to pci device data structure.
5768 * This routine is invoked to allocate the driver hba data structure for an
5769 * HBA device. If the allocation is successful, the phba reference to the
5770 * PCI device data structure is set.
5773 * pointer to @phba - successful
5776 static struct lpfc_hba
*
5777 lpfc_hba_alloc(struct pci_dev
*pdev
)
5779 struct lpfc_hba
*phba
;
5781 /* Allocate memory for HBA structure */
5782 phba
= kzalloc(sizeof(struct lpfc_hba
), GFP_KERNEL
);
5784 dev_err(&pdev
->dev
, "failed to allocate hba struct\n");
5788 /* Set reference to PCI device in HBA structure */
5789 phba
->pcidev
= pdev
;
5791 /* Assign an unused board number */
5792 phba
->brd_no
= lpfc_get_instance();
5793 if (phba
->brd_no
< 0) {
5798 spin_lock_init(&phba
->ct_ev_lock
);
5799 INIT_LIST_HEAD(&phba
->ct_ev_waiters
);
5805 * lpfc_hba_free - Free driver hba data structure with a device.
5806 * @phba: pointer to lpfc hba data structure.
5808 * This routine is invoked to free the driver hba data structure with an
5812 lpfc_hba_free(struct lpfc_hba
*phba
)
5814 /* Release the driver assigned board number */
5815 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
5817 /* Free memory allocated with sli rings */
5818 kfree(phba
->sli
.ring
);
5819 phba
->sli
.ring
= NULL
;
5826 * lpfc_create_shost - Create hba physical port with associated scsi host.
5827 * @phba: pointer to lpfc hba data structure.
5829 * This routine is invoked to create HBA physical port and associate a SCSI
5834 * other values - error
5837 lpfc_create_shost(struct lpfc_hba
*phba
)
5839 struct lpfc_vport
*vport
;
5840 struct Scsi_Host
*shost
;
5842 /* Initialize HBA FC structure */
5843 phba
->fc_edtov
= FF_DEF_EDTOV
;
5844 phba
->fc_ratov
= FF_DEF_RATOV
;
5845 phba
->fc_altov
= FF_DEF_ALTOV
;
5846 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
5848 atomic_set(&phba
->sdev_cnt
, 0);
5849 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
5853 shost
= lpfc_shost_from_vport(vport
);
5854 phba
->pport
= vport
;
5855 lpfc_debugfs_initialize(vport
);
5856 /* Put reference to SCSI host to driver's device private data */
5857 pci_set_drvdata(phba
->pcidev
, shost
);
5863 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
5864 * @phba: pointer to lpfc hba data structure.
5866 * This routine is invoked to destroy HBA physical port and the associated
5870 lpfc_destroy_shost(struct lpfc_hba
*phba
)
5872 struct lpfc_vport
*vport
= phba
->pport
;
5874 /* Destroy physical port that associated with the SCSI host */
5875 destroy_port(vport
);
5881 * lpfc_setup_bg - Setup Block guard structures and debug areas.
5882 * @phba: pointer to lpfc hba data structure.
5883 * @shost: the shost to be used to detect Block guard settings.
5885 * This routine sets up the local Block guard protocol settings for @shost.
5886 * This routine also allocates memory for debugging bg buffers.
5889 lpfc_setup_bg(struct lpfc_hba
*phba
, struct Scsi_Host
*shost
)
5895 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
5896 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5897 "1478 Registering BlockGuard with the "
5900 old_mask
= lpfc_prot_mask
;
5901 old_guard
= lpfc_prot_guard
;
5903 /* Only allow supported values */
5904 lpfc_prot_mask
&= (SHOST_DIF_TYPE1_PROTECTION
|
5905 SHOST_DIX_TYPE0_PROTECTION
|
5906 SHOST_DIX_TYPE1_PROTECTION
);
5907 lpfc_prot_guard
&= (SHOST_DIX_GUARD_IP
| SHOST_DIX_GUARD_CRC
);
5909 /* DIF Type 1 protection for profiles AST1/C1 is end to end */
5910 if (lpfc_prot_mask
== SHOST_DIX_TYPE1_PROTECTION
)
5911 lpfc_prot_mask
|= SHOST_DIF_TYPE1_PROTECTION
;
5913 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
5914 if ((old_mask
!= lpfc_prot_mask
) ||
5915 (old_guard
!= lpfc_prot_guard
))
5916 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5917 "1475 Registering BlockGuard with the "
5918 "SCSI layer: mask %d guard %d\n",
5919 lpfc_prot_mask
, lpfc_prot_guard
);
5921 scsi_host_set_prot(shost
, lpfc_prot_mask
);
5922 scsi_host_set_guard(shost
, lpfc_prot_guard
);
5924 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5925 "1479 Not Registering BlockGuard with the SCSI "
5926 "layer, Bad protection parameters: %d %d\n",
5927 old_mask
, old_guard
);
5930 if (!_dump_buf_data
) {
5932 spin_lock_init(&_dump_buf_lock
);
5934 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
5935 if (_dump_buf_data
) {
5936 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5937 "9043 BLKGRD: allocated %d pages for "
5938 "_dump_buf_data at 0x%p\n",
5939 (1 << pagecnt
), _dump_buf_data
);
5940 _dump_buf_data_order
= pagecnt
;
5941 memset(_dump_buf_data
, 0,
5942 ((1 << PAGE_SHIFT
) << pagecnt
));
5947 if (!_dump_buf_data_order
)
5948 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5949 "9044 BLKGRD: ERROR unable to allocate "
5950 "memory for hexdump\n");
5952 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5953 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
5954 "\n", _dump_buf_data
);
5955 if (!_dump_buf_dif
) {
5958 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
5959 if (_dump_buf_dif
) {
5960 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5961 "9046 BLKGRD: allocated %d pages for "
5962 "_dump_buf_dif at 0x%p\n",
5963 (1 << pagecnt
), _dump_buf_dif
);
5964 _dump_buf_dif_order
= pagecnt
;
5965 memset(_dump_buf_dif
, 0,
5966 ((1 << PAGE_SHIFT
) << pagecnt
));
5971 if (!_dump_buf_dif_order
)
5972 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5973 "9047 BLKGRD: ERROR unable to allocate "
5974 "memory for hexdump\n");
5976 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5977 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
5982 * lpfc_post_init_setup - Perform necessary device post initialization setup.
5983 * @phba: pointer to lpfc hba data structure.
5985 * This routine is invoked to perform all the necessary post initialization
5986 * setup for the device.
5989 lpfc_post_init_setup(struct lpfc_hba
*phba
)
5991 struct Scsi_Host
*shost
;
5992 struct lpfc_adapter_event_header adapter_event
;
5994 /* Get the default values for Model Name and Description */
5995 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
5998 * hba setup may have changed the hba_queue_depth so we need to
5999 * adjust the value of can_queue.
6001 shost
= pci_get_drvdata(phba
->pcidev
);
6002 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
6003 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
6004 lpfc_setup_bg(phba
, shost
);
6006 lpfc_host_attrib_init(shost
);
6008 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
6009 spin_lock_irq(shost
->host_lock
);
6010 lpfc_poll_start_timer(phba
);
6011 spin_unlock_irq(shost
->host_lock
);
6014 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6015 "0428 Perform SCSI scan\n");
6016 /* Send board arrival event to upper layer */
6017 adapter_event
.event_type
= FC_REG_ADAPTER_EVENT
;
6018 adapter_event
.subcategory
= LPFC_EVENT_ARRIVAL
;
6019 fc_host_post_vendor_event(shost
, fc_get_event_number(),
6020 sizeof(adapter_event
),
6021 (char *) &adapter_event
,
6027 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
6028 * @phba: pointer to lpfc hba data structure.
6030 * This routine is invoked to set up the PCI device memory space for device
6031 * with SLI-3 interface spec.
6035 * other values - error
6038 lpfc_sli_pci_mem_setup(struct lpfc_hba
*phba
)
6040 struct pci_dev
*pdev
;
6041 unsigned long bar0map_len
, bar2map_len
;
6044 int error
= -ENODEV
;
6046 /* Obtain PCI device reference */
6050 pdev
= phba
->pcidev
;
6052 /* Set the device DMA mask size */
6053 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
6054 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
6055 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
6056 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
6061 /* Get the bus address of Bar0 and Bar2 and the number of bytes
6062 * required by each mapping.
6064 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
6065 bar0map_len
= pci_resource_len(pdev
, 0);
6067 phba
->pci_bar2_map
= pci_resource_start(pdev
, 2);
6068 bar2map_len
= pci_resource_len(pdev
, 2);
6070 /* Map HBA SLIM to a kernel virtual address. */
6071 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
6072 if (!phba
->slim_memmap_p
) {
6073 dev_printk(KERN_ERR
, &pdev
->dev
,
6074 "ioremap failed for SLIM memory.\n");
6078 /* Map HBA Control Registers to a kernel virtual address. */
6079 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
6080 if (!phba
->ctrl_regs_memmap_p
) {
6081 dev_printk(KERN_ERR
, &pdev
->dev
,
6082 "ioremap failed for HBA control registers.\n");
6083 goto out_iounmap_slim
;
6086 /* Allocate memory for SLI-2 structures */
6087 phba
->slim2p
.virt
= dma_alloc_coherent(&pdev
->dev
,
6091 if (!phba
->slim2p
.virt
)
6094 memset(phba
->slim2p
.virt
, 0, SLI2_SLIM_SIZE
);
6095 phba
->mbox
= phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, mbx
);
6096 phba
->mbox_ext
= (phba
->slim2p
.virt
+
6097 offsetof(struct lpfc_sli2_slim
, mbx_ext_words
));
6098 phba
->pcb
= (phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, pcb
));
6099 phba
->IOCBs
= (phba
->slim2p
.virt
+
6100 offsetof(struct lpfc_sli2_slim
, IOCBs
));
6102 phba
->hbqslimp
.virt
= dma_alloc_coherent(&pdev
->dev
,
6103 lpfc_sli_hbq_size(),
6104 &phba
->hbqslimp
.phys
,
6106 if (!phba
->hbqslimp
.virt
)
6109 hbq_count
= lpfc_sli_hbq_count();
6110 ptr
= phba
->hbqslimp
.virt
;
6111 for (i
= 0; i
< hbq_count
; ++i
) {
6112 phba
->hbqs
[i
].hbq_virt
= ptr
;
6113 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
6114 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
6115 sizeof(struct lpfc_hbq_entry
));
6117 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
6118 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
6120 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
6122 INIT_LIST_HEAD(&phba
->rb_pend_list
);
6124 phba
->MBslimaddr
= phba
->slim_memmap_p
;
6125 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
6126 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
6127 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
6128 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
6133 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
6134 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
6136 iounmap(phba
->ctrl_regs_memmap_p
);
6138 iounmap(phba
->slim_memmap_p
);
6144 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
6145 * @phba: pointer to lpfc hba data structure.
6147 * This routine is invoked to unset the PCI device memory space for device
6148 * with SLI-3 interface spec.
6151 lpfc_sli_pci_mem_unset(struct lpfc_hba
*phba
)
6153 struct pci_dev
*pdev
;
6155 /* Obtain PCI device reference */
6159 pdev
= phba
->pcidev
;
6161 /* Free coherent DMA memory allocated */
6162 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
6163 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
6164 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
6165 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
6167 /* I/O memory unmap */
6168 iounmap(phba
->ctrl_regs_memmap_p
);
6169 iounmap(phba
->slim_memmap_p
);
6175 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
6176 * @phba: pointer to lpfc hba data structure.
6178 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
6179 * done and check status.
6181 * Return 0 if successful, otherwise -ENODEV.
6184 lpfc_sli4_post_status_check(struct lpfc_hba
*phba
)
6186 struct lpfc_register portsmphr_reg
, uerrlo_reg
, uerrhi_reg
;
6187 struct lpfc_register reg_data
;
6188 int i
, port_error
= 0;
6191 memset(&portsmphr_reg
, 0, sizeof(portsmphr_reg
));
6192 memset(®_data
, 0, sizeof(reg_data
));
6193 if (!phba
->sli4_hba
.PSMPHRregaddr
)
6196 /* Wait up to 30 seconds for the SLI Port POST done and ready */
6197 for (i
= 0; i
< 3000; i
++) {
6198 if (lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
6199 &portsmphr_reg
.word0
) ||
6200 (bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
))) {
6201 /* Port has a fatal POST error, break out */
6202 port_error
= -ENODEV
;
6205 if (LPFC_POST_STAGE_PORT_READY
==
6206 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
))
6212 * If there was a port error during POST, then don't proceed with
6213 * other register reads as the data may not be valid. Just exit.
6216 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6217 "1408 Port Failed POST - portsmphr=0x%x, "
6218 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
6219 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
6220 portsmphr_reg
.word0
,
6221 bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
),
6222 bf_get(lpfc_port_smphr_sfi
, &portsmphr_reg
),
6223 bf_get(lpfc_port_smphr_nip
, &portsmphr_reg
),
6224 bf_get(lpfc_port_smphr_ipc
, &portsmphr_reg
),
6225 bf_get(lpfc_port_smphr_scr1
, &portsmphr_reg
),
6226 bf_get(lpfc_port_smphr_scr2
, &portsmphr_reg
),
6227 bf_get(lpfc_port_smphr_host_scratch
, &portsmphr_reg
),
6228 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
));
6230 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6231 "2534 Device Info: SLIFamily=0x%x, "
6232 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
6233 "SLIHint_2=0x%x, FT=0x%x\n",
6234 bf_get(lpfc_sli_intf_sli_family
,
6235 &phba
->sli4_hba
.sli_intf
),
6236 bf_get(lpfc_sli_intf_slirev
,
6237 &phba
->sli4_hba
.sli_intf
),
6238 bf_get(lpfc_sli_intf_if_type
,
6239 &phba
->sli4_hba
.sli_intf
),
6240 bf_get(lpfc_sli_intf_sli_hint1
,
6241 &phba
->sli4_hba
.sli_intf
),
6242 bf_get(lpfc_sli_intf_sli_hint2
,
6243 &phba
->sli4_hba
.sli_intf
),
6244 bf_get(lpfc_sli_intf_func_type
,
6245 &phba
->sli4_hba
.sli_intf
));
6247 * Check for other Port errors during the initialization
6248 * process. Fail the load if the port did not come up
6251 if_type
= bf_get(lpfc_sli_intf_if_type
,
6252 &phba
->sli4_hba
.sli_intf
);
6254 case LPFC_SLI_INTF_IF_TYPE_0
:
6255 phba
->sli4_hba
.ue_mask_lo
=
6256 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
);
6257 phba
->sli4_hba
.ue_mask_hi
=
6258 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
);
6260 readl(phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
);
6262 readl(phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
);
6263 if ((~phba
->sli4_hba
.ue_mask_lo
& uerrlo_reg
.word0
) ||
6264 (~phba
->sli4_hba
.ue_mask_hi
& uerrhi_reg
.word0
)) {
6265 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6266 "1422 Unrecoverable Error "
6267 "Detected during POST "
6268 "uerr_lo_reg=0x%x, "
6269 "uerr_hi_reg=0x%x, "
6270 "ue_mask_lo_reg=0x%x, "
6271 "ue_mask_hi_reg=0x%x\n",
6274 phba
->sli4_hba
.ue_mask_lo
,
6275 phba
->sli4_hba
.ue_mask_hi
);
6276 port_error
= -ENODEV
;
6279 case LPFC_SLI_INTF_IF_TYPE_2
:
6280 /* Final checks. The port status should be clean. */
6281 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
6283 (bf_get(lpfc_sliport_status_err
, ®_data
) &&
6284 !bf_get(lpfc_sliport_status_rn
, ®_data
))) {
6285 phba
->work_status
[0] =
6286 readl(phba
->sli4_hba
.u
.if_type2
.
6288 phba
->work_status
[1] =
6289 readl(phba
->sli4_hba
.u
.if_type2
.
6291 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6292 "2888 Unrecoverable port error "
6293 "following POST: port status reg "
6294 "0x%x, port_smphr reg 0x%x, "
6295 "error 1=0x%x, error 2=0x%x\n",
6297 portsmphr_reg
.word0
,
6298 phba
->work_status
[0],
6299 phba
->work_status
[1]);
6300 port_error
= -ENODEV
;
6303 case LPFC_SLI_INTF_IF_TYPE_1
:
6312 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
6313 * @phba: pointer to lpfc hba data structure.
6314 * @if_type: The SLI4 interface type getting configured.
6316 * This routine is invoked to set up SLI4 BAR0 PCI config space register
6320 lpfc_sli4_bar0_register_memmap(struct lpfc_hba
*phba
, uint32_t if_type
)
6323 case LPFC_SLI_INTF_IF_TYPE_0
:
6324 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
=
6325 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_LO
;
6326 phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
=
6327 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_HI
;
6328 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
=
6329 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_LO
;
6330 phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
=
6331 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_HI
;
6332 phba
->sli4_hba
.SLIINTFregaddr
=
6333 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
6335 case LPFC_SLI_INTF_IF_TYPE_2
:
6336 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
=
6337 phba
->sli4_hba
.conf_regs_memmap_p
+
6338 LPFC_CTL_PORT_ER1_OFFSET
;
6339 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
=
6340 phba
->sli4_hba
.conf_regs_memmap_p
+
6341 LPFC_CTL_PORT_ER2_OFFSET
;
6342 phba
->sli4_hba
.u
.if_type2
.CTRLregaddr
=
6343 phba
->sli4_hba
.conf_regs_memmap_p
+
6344 LPFC_CTL_PORT_CTL_OFFSET
;
6345 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
=
6346 phba
->sli4_hba
.conf_regs_memmap_p
+
6347 LPFC_CTL_PORT_STA_OFFSET
;
6348 phba
->sli4_hba
.SLIINTFregaddr
=
6349 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
6350 phba
->sli4_hba
.PSMPHRregaddr
=
6351 phba
->sli4_hba
.conf_regs_memmap_p
+
6352 LPFC_CTL_PORT_SEM_OFFSET
;
6353 phba
->sli4_hba
.RQDBregaddr
=
6354 phba
->sli4_hba
.conf_regs_memmap_p
+
6355 LPFC_ULP0_RQ_DOORBELL
;
6356 phba
->sli4_hba
.WQDBregaddr
=
6357 phba
->sli4_hba
.conf_regs_memmap_p
+
6358 LPFC_ULP0_WQ_DOORBELL
;
6359 phba
->sli4_hba
.EQCQDBregaddr
=
6360 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_EQCQ_DOORBELL
;
6361 phba
->sli4_hba
.MQDBregaddr
=
6362 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_MQ_DOORBELL
;
6363 phba
->sli4_hba
.BMBXregaddr
=
6364 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_BMBX
;
6366 case LPFC_SLI_INTF_IF_TYPE_1
:
6368 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
6369 "FATAL - unsupported SLI4 interface type - %d\n",
6376 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
6377 * @phba: pointer to lpfc hba data structure.
6379 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
6383 lpfc_sli4_bar1_register_memmap(struct lpfc_hba
*phba
)
6385 phba
->sli4_hba
.PSMPHRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6386 LPFC_SLIPORT_IF0_SMPHR
;
6387 phba
->sli4_hba
.ISRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6389 phba
->sli4_hba
.IMRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6391 phba
->sli4_hba
.ISCRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6396 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
6397 * @phba: pointer to lpfc hba data structure.
6398 * @vf: virtual function number
6400 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
6401 * based on the given viftual function number, @vf.
6403 * Return 0 if successful, otherwise -ENODEV.
6406 lpfc_sli4_bar2_register_memmap(struct lpfc_hba
*phba
, uint32_t vf
)
6408 if (vf
> LPFC_VIR_FUNC_MAX
)
6411 phba
->sli4_hba
.RQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6412 vf
* LPFC_VFR_PAGE_SIZE
+
6413 LPFC_ULP0_RQ_DOORBELL
);
6414 phba
->sli4_hba
.WQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6415 vf
* LPFC_VFR_PAGE_SIZE
+
6416 LPFC_ULP0_WQ_DOORBELL
);
6417 phba
->sli4_hba
.EQCQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6418 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_EQCQ_DOORBELL
);
6419 phba
->sli4_hba
.MQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6420 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_MQ_DOORBELL
);
6421 phba
->sli4_hba
.BMBXregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6422 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_BMBX
);
6427 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
6428 * @phba: pointer to lpfc hba data structure.
6430 * This routine is invoked to create the bootstrap mailbox
6431 * region consistent with the SLI-4 interface spec. This
6432 * routine allocates all memory necessary to communicate
6433 * mailbox commands to the port and sets up all alignment
6434 * needs. No locks are expected to be held when calling
6439 * -ENOMEM - could not allocated memory.
6442 lpfc_create_bootstrap_mbox(struct lpfc_hba
*phba
)
6445 struct lpfc_dmabuf
*dmabuf
;
6446 struct dma_address
*dma_address
;
6450 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
6455 * The bootstrap mailbox region is comprised of 2 parts
6456 * plus an alignment restriction of 16 bytes.
6458 bmbx_size
= sizeof(struct lpfc_bmbx_create
) + (LPFC_ALIGN_16_BYTE
- 1);
6459 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
6463 if (!dmabuf
->virt
) {
6467 memset(dmabuf
->virt
, 0, bmbx_size
);
6470 * Initialize the bootstrap mailbox pointers now so that the register
6471 * operations are simple later. The mailbox dma address is required
6472 * to be 16-byte aligned. Also align the virtual memory as each
6473 * maibox is copied into the bmbx mailbox region before issuing the
6474 * command to the port.
6476 phba
->sli4_hba
.bmbx
.dmabuf
= dmabuf
;
6477 phba
->sli4_hba
.bmbx
.bmbx_size
= bmbx_size
;
6479 phba
->sli4_hba
.bmbx
.avirt
= PTR_ALIGN(dmabuf
->virt
,
6480 LPFC_ALIGN_16_BYTE
);
6481 phba
->sli4_hba
.bmbx
.aphys
= ALIGN(dmabuf
->phys
,
6482 LPFC_ALIGN_16_BYTE
);
6485 * Set the high and low physical addresses now. The SLI4 alignment
6486 * requirement is 16 bytes and the mailbox is posted to the port
6487 * as two 30-bit addresses. The other data is a bit marking whether
6488 * the 30-bit address is the high or low address.
6489 * Upcast bmbx aphys to 64bits so shift instruction compiles
6490 * clean on 32 bit machines.
6492 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
6493 phys_addr
= (uint64_t)phba
->sli4_hba
.bmbx
.aphys
;
6494 pa_addr
= (uint32_t) ((phys_addr
>> 34) & 0x3fffffff);
6495 dma_address
->addr_hi
= (uint32_t) ((pa_addr
<< 2) |
6496 LPFC_BMBX_BIT1_ADDR_HI
);
6498 pa_addr
= (uint32_t) ((phba
->sli4_hba
.bmbx
.aphys
>> 4) & 0x3fffffff);
6499 dma_address
->addr_lo
= (uint32_t) ((pa_addr
<< 2) |
6500 LPFC_BMBX_BIT1_ADDR_LO
);
6505 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
6506 * @phba: pointer to lpfc hba data structure.
6508 * This routine is invoked to teardown the bootstrap mailbox
6509 * region and release all host resources. This routine requires
6510 * the caller to ensure all mailbox commands recovered, no
6511 * additional mailbox comands are sent, and interrupts are disabled
6512 * before calling this routine.
6516 lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*phba
)
6518 dma_free_coherent(&phba
->pcidev
->dev
,
6519 phba
->sli4_hba
.bmbx
.bmbx_size
,
6520 phba
->sli4_hba
.bmbx
.dmabuf
->virt
,
6521 phba
->sli4_hba
.bmbx
.dmabuf
->phys
);
6523 kfree(phba
->sli4_hba
.bmbx
.dmabuf
);
6524 memset(&phba
->sli4_hba
.bmbx
, 0, sizeof(struct lpfc_bmbx
));
6528 * lpfc_sli4_read_config - Get the config parameters.
6529 * @phba: pointer to lpfc hba data structure.
6531 * This routine is invoked to read the configuration parameters from the HBA.
6532 * The configuration parameters are used to set the base and maximum values
6533 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
6534 * allocation for the port.
6538 * -ENOMEM - No available memory
6539 * -EIO - The mailbox failed to complete successfully.
6542 lpfc_sli4_read_config(struct lpfc_hba
*phba
)
6545 struct lpfc_mbx_read_config
*rd_config
;
6546 union lpfc_sli4_cfg_shdr
*shdr
;
6547 uint32_t shdr_status
, shdr_add_status
;
6548 struct lpfc_mbx_get_func_cfg
*get_func_cfg
;
6549 struct lpfc_rsrc_desc_fcfcoe
*desc
;
6551 uint32_t desc_count
;
6552 int length
, i
, rc
= 0, rc2
;
6554 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
6556 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6557 "2011 Unable to allocate memory for issuing "
6558 "SLI_CONFIG_SPECIAL mailbox command\n");
6562 lpfc_read_config(phba
, pmb
);
6564 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6565 if (rc
!= MBX_SUCCESS
) {
6566 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6567 "2012 Mailbox failed , mbxCmd x%x "
6568 "READ_CONFIG, mbxStatus x%x\n",
6569 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6570 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6573 rd_config
= &pmb
->u
.mqe
.un
.rd_config
;
6574 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv
, rd_config
)) {
6575 phba
->sli4_hba
.lnk_info
.lnk_dv
= LPFC_LNK_DAT_VAL
;
6576 phba
->sli4_hba
.lnk_info
.lnk_tp
=
6577 bf_get(lpfc_mbx_rd_conf_lnk_type
, rd_config
);
6578 phba
->sli4_hba
.lnk_info
.lnk_no
=
6579 bf_get(lpfc_mbx_rd_conf_lnk_numb
, rd_config
);
6580 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6581 "3081 lnk_type:%d, lnk_numb:%d\n",
6582 phba
->sli4_hba
.lnk_info
.lnk_tp
,
6583 phba
->sli4_hba
.lnk_info
.lnk_no
);
6585 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
6586 "3082 Mailbox (x%x) returned ldv:x0\n",
6587 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
));
6588 phba
->sli4_hba
.extents_in_use
=
6589 bf_get(lpfc_mbx_rd_conf_extnts_inuse
, rd_config
);
6590 phba
->sli4_hba
.max_cfg_param
.max_xri
=
6591 bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
6592 phba
->sli4_hba
.max_cfg_param
.xri_base
=
6593 bf_get(lpfc_mbx_rd_conf_xri_base
, rd_config
);
6594 phba
->sli4_hba
.max_cfg_param
.max_vpi
=
6595 bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
);
6596 phba
->sli4_hba
.max_cfg_param
.vpi_base
=
6597 bf_get(lpfc_mbx_rd_conf_vpi_base
, rd_config
);
6598 phba
->sli4_hba
.max_cfg_param
.max_rpi
=
6599 bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
6600 phba
->sli4_hba
.max_cfg_param
.rpi_base
=
6601 bf_get(lpfc_mbx_rd_conf_rpi_base
, rd_config
);
6602 phba
->sli4_hba
.max_cfg_param
.max_vfi
=
6603 bf_get(lpfc_mbx_rd_conf_vfi_count
, rd_config
);
6604 phba
->sli4_hba
.max_cfg_param
.vfi_base
=
6605 bf_get(lpfc_mbx_rd_conf_vfi_base
, rd_config
);
6606 phba
->sli4_hba
.max_cfg_param
.max_fcfi
=
6607 bf_get(lpfc_mbx_rd_conf_fcfi_count
, rd_config
);
6608 phba
->sli4_hba
.max_cfg_param
.max_eq
=
6609 bf_get(lpfc_mbx_rd_conf_eq_count
, rd_config
);
6610 phba
->sli4_hba
.max_cfg_param
.max_rq
=
6611 bf_get(lpfc_mbx_rd_conf_rq_count
, rd_config
);
6612 phba
->sli4_hba
.max_cfg_param
.max_wq
=
6613 bf_get(lpfc_mbx_rd_conf_wq_count
, rd_config
);
6614 phba
->sli4_hba
.max_cfg_param
.max_cq
=
6615 bf_get(lpfc_mbx_rd_conf_cq_count
, rd_config
);
6616 phba
->lmt
= bf_get(lpfc_mbx_rd_conf_lmt
, rd_config
);
6617 phba
->sli4_hba
.next_xri
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
6618 phba
->vpi_base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
6619 phba
->vfi_base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
6620 phba
->max_vpi
= (phba
->sli4_hba
.max_cfg_param
.max_vpi
> 0) ?
6621 (phba
->sli4_hba
.max_cfg_param
.max_vpi
- 1) : 0;
6622 phba
->max_vports
= phba
->max_vpi
;
6623 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6624 "2003 cfg params Extents? %d "
6630 phba
->sli4_hba
.extents_in_use
,
6631 phba
->sli4_hba
.max_cfg_param
.xri_base
,
6632 phba
->sli4_hba
.max_cfg_param
.max_xri
,
6633 phba
->sli4_hba
.max_cfg_param
.vpi_base
,
6634 phba
->sli4_hba
.max_cfg_param
.max_vpi
,
6635 phba
->sli4_hba
.max_cfg_param
.vfi_base
,
6636 phba
->sli4_hba
.max_cfg_param
.max_vfi
,
6637 phba
->sli4_hba
.max_cfg_param
.rpi_base
,
6638 phba
->sli4_hba
.max_cfg_param
.max_rpi
,
6639 phba
->sli4_hba
.max_cfg_param
.max_fcfi
);
6645 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
6646 if (phba
->cfg_hba_queue_depth
>
6647 (phba
->sli4_hba
.max_cfg_param
.max_xri
-
6648 lpfc_sli4_get_els_iocb_cnt(phba
)))
6649 phba
->cfg_hba_queue_depth
=
6650 phba
->sli4_hba
.max_cfg_param
.max_xri
-
6651 lpfc_sli4_get_els_iocb_cnt(phba
);
6653 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
6654 LPFC_SLI_INTF_IF_TYPE_2
)
6657 /* get the pf# and vf# for SLI4 if_type 2 port */
6658 length
= (sizeof(struct lpfc_mbx_get_func_cfg
) -
6659 sizeof(struct lpfc_sli4_cfg_mhdr
));
6660 lpfc_sli4_config(phba
, pmb
, LPFC_MBOX_SUBSYSTEM_COMMON
,
6661 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG
,
6662 length
, LPFC_SLI4_MBX_EMBED
);
6664 rc2
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6665 shdr
= (union lpfc_sli4_cfg_shdr
*)
6666 &pmb
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
6667 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
6668 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
6669 if (rc2
|| shdr_status
|| shdr_add_status
) {
6670 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6671 "3026 Mailbox failed , mbxCmd x%x "
6672 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
6673 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6674 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6678 /* search for fc_fcoe resrouce descriptor */
6679 get_func_cfg
= &pmb
->u
.mqe
.un
.get_func_cfg
;
6680 desc_count
= get_func_cfg
->func_cfg
.rsrc_desc_count
;
6682 pdesc_0
= (char *)&get_func_cfg
->func_cfg
.desc
[0];
6683 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)pdesc_0
;
6684 length
= bf_get(lpfc_rsrc_desc_fcfcoe_length
, desc
);
6685 if (length
== LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD
)
6686 length
= LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH
;
6687 else if (length
!= LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH
)
6690 for (i
= 0; i
< LPFC_RSRC_DESC_MAX_NUM
; i
++) {
6691 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)(pdesc_0
+ length
* i
);
6692 if (LPFC_RSRC_DESC_TYPE_FCFCOE
==
6693 bf_get(lpfc_rsrc_desc_fcfcoe_type
, desc
)) {
6694 phba
->sli4_hba
.iov
.pf_number
=
6695 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum
, desc
);
6696 phba
->sli4_hba
.iov
.vf_number
=
6697 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum
, desc
);
6702 if (i
< LPFC_RSRC_DESC_MAX_NUM
)
6703 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6704 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
6705 "vf_number:%d\n", phba
->sli4_hba
.iov
.pf_number
,
6706 phba
->sli4_hba
.iov
.vf_number
);
6708 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6709 "3028 GET_FUNCTION_CONFIG: failed to find "
6710 "Resrouce Descriptor:x%x\n",
6711 LPFC_RSRC_DESC_TYPE_FCFCOE
);
6714 mempool_free(pmb
, phba
->mbox_mem_pool
);
6719 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
6720 * @phba: pointer to lpfc hba data structure.
6722 * This routine is invoked to setup the port-side endian order when
6723 * the port if_type is 0. This routine has no function for other
6728 * -ENOMEM - No available memory
6729 * -EIO - The mailbox failed to complete successfully.
6732 lpfc_setup_endian_order(struct lpfc_hba
*phba
)
6734 LPFC_MBOXQ_t
*mboxq
;
6735 uint32_t if_type
, rc
= 0;
6736 uint32_t endian_mb_data
[2] = {HOST_ENDIAN_LOW_WORD0
,
6737 HOST_ENDIAN_HIGH_WORD1
};
6739 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
6741 case LPFC_SLI_INTF_IF_TYPE_0
:
6742 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
6745 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6746 "0492 Unable to allocate memory for "
6747 "issuing SLI_CONFIG_SPECIAL mailbox "
6753 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
6754 * two words to contain special data values and no other data.
6756 memset(mboxq
, 0, sizeof(LPFC_MBOXQ_t
));
6757 memcpy(&mboxq
->u
.mqe
, &endian_mb_data
, sizeof(endian_mb_data
));
6758 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6759 if (rc
!= MBX_SUCCESS
) {
6760 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6761 "0493 SLI_CONFIG_SPECIAL mailbox "
6762 "failed with status x%x\n",
6766 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6768 case LPFC_SLI_INTF_IF_TYPE_2
:
6769 case LPFC_SLI_INTF_IF_TYPE_1
:
6777 * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
6778 * @phba: pointer to lpfc hba data structure.
6780 * This routine is invoked to check the user settable queue counts for EQs and
6781 * CQs. after this routine is called the counts will be set to valid values that
6782 * adhere to the constraints of the system's interrupt vectors and the port's
6787 * -ENOMEM - No available memory
6790 lpfc_sli4_queue_verify(struct lpfc_hba
*phba
)
6792 int cfg_fcp_io_channel
;
6798 * Sanity check for configured queue parameters against the run-time
6802 /* Sanity check on HBA EQ parameters */
6803 cfg_fcp_io_channel
= phba
->cfg_fcp_io_channel
;
6805 /* It doesn't make sense to have more io channels then CPUs */
6806 for_each_online_cpu(cpu
) {
6809 if (i
< cfg_fcp_io_channel
) {
6810 lpfc_printf_log(phba
,
6812 "3188 Reducing IO channels to match number of "
6813 "CPUs: from %d to %d\n", cfg_fcp_io_channel
, i
);
6814 cfg_fcp_io_channel
= i
;
6817 if (cfg_fcp_io_channel
>
6818 phba
->sli4_hba
.max_cfg_param
.max_eq
) {
6819 if (phba
->sli4_hba
.max_cfg_param
.max_eq
<
6820 LPFC_FCP_IO_CHAN_MIN
) {
6821 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6822 "2574 Not enough EQs (%d) from the "
6823 "pci function for supporting FCP "
6825 phba
->sli4_hba
.max_cfg_param
.max_eq
,
6826 phba
->cfg_fcp_io_channel
);
6829 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6830 "2575 Reducing IO channels to match number of "
6831 "available EQs: from %d to %d\n",
6833 phba
->sli4_hba
.max_cfg_param
.max_eq
);
6834 cfg_fcp_io_channel
= phba
->sli4_hba
.max_cfg_param
.max_eq
;
6837 /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
6839 /* The actual number of FCP event queues adopted */
6840 phba
->cfg_fcp_eq_count
= cfg_fcp_io_channel
;
6841 phba
->cfg_fcp_wq_count
= cfg_fcp_io_channel
;
6842 phba
->cfg_fcp_io_channel
= cfg_fcp_io_channel
;
6844 /* Get EQ depth from module parameter, fake the default for now */
6845 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
6846 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
6848 /* Get CQ depth from module parameter, fake the default for now */
6849 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
6850 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
6858 * lpfc_sli4_queue_create - Create all the SLI4 queues
6859 * @phba: pointer to lpfc hba data structure.
6861 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
6862 * operation. For each SLI4 queue type, the parameters such as queue entry
6863 * count (queue depth) shall be taken from the module parameter. For now,
6864 * we just use some constant number as place holder.
6868 * -ENOMEM - No availble memory
6869 * -EIO - The mailbox failed to complete successfully.
6872 lpfc_sli4_queue_create(struct lpfc_hba
*phba
)
6874 struct lpfc_queue
*qdesc
;
6878 * Create HBA Record arrays.
6880 if (!phba
->cfg_fcp_io_channel
)
6883 phba
->sli4_hba
.mq_esize
= LPFC_MQE_SIZE
;
6884 phba
->sli4_hba
.mq_ecount
= LPFC_MQE_DEF_COUNT
;
6885 phba
->sli4_hba
.wq_esize
= LPFC_WQE_SIZE
;
6886 phba
->sli4_hba
.wq_ecount
= LPFC_WQE_DEF_COUNT
;
6887 phba
->sli4_hba
.rq_esize
= LPFC_RQE_SIZE
;
6888 phba
->sli4_hba
.rq_ecount
= LPFC_RQE_DEF_COUNT
;
6890 phba
->sli4_hba
.hba_eq
= kzalloc((sizeof(struct lpfc_queue
*) *
6891 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
6892 if (!phba
->sli4_hba
.hba_eq
) {
6893 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6894 "2576 Failed allocate memory for "
6895 "fast-path EQ record array\n");
6899 phba
->sli4_hba
.fcp_cq
= kzalloc((sizeof(struct lpfc_queue
*) *
6900 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
6901 if (!phba
->sli4_hba
.fcp_cq
) {
6902 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6903 "2577 Failed allocate memory for fast-path "
6904 "CQ record array\n");
6908 phba
->sli4_hba
.fcp_wq
= kzalloc((sizeof(struct lpfc_queue
*) *
6909 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
6910 if (!phba
->sli4_hba
.fcp_wq
) {
6911 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6912 "2578 Failed allocate memory for fast-path "
6913 "WQ record array\n");
6918 * Since the first EQ can have multiple CQs associated with it,
6919 * this array is used to quickly see if we have a FCP fast-path
6922 phba
->sli4_hba
.fcp_cq_map
= kzalloc((sizeof(uint16_t) *
6923 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
6924 if (!phba
->sli4_hba
.fcp_cq_map
) {
6925 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6926 "2545 Failed allocate memory for fast-path "
6932 * Create HBA Event Queues (EQs). The cfg_fcp_io_channel specifies
6933 * how many EQs to create.
6935 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
6938 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
6939 phba
->sli4_hba
.eq_ecount
);
6941 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6942 "0497 Failed allocate EQ (%d)\n", idx
);
6945 phba
->sli4_hba
.hba_eq
[idx
] = qdesc
;
6947 /* Create Fast Path FCP CQs */
6948 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6949 phba
->sli4_hba
.cq_ecount
);
6951 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6952 "0499 Failed allocate fast-path FCP "
6956 phba
->sli4_hba
.fcp_cq
[idx
] = qdesc
;
6958 /* Create Fast Path FCP WQs */
6959 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
6960 phba
->sli4_hba
.wq_ecount
);
6962 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6963 "0503 Failed allocate fast-path FCP "
6967 phba
->sli4_hba
.fcp_wq
[idx
] = qdesc
;
6972 * Create Slow Path Completion Queues (CQs)
6975 /* Create slow-path Mailbox Command Complete Queue */
6976 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6977 phba
->sli4_hba
.cq_ecount
);
6979 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6980 "0500 Failed allocate slow-path mailbox CQ\n");
6983 phba
->sli4_hba
.mbx_cq
= qdesc
;
6985 /* Create slow-path ELS Complete Queue */
6986 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6987 phba
->sli4_hba
.cq_ecount
);
6989 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6990 "0501 Failed allocate slow-path ELS CQ\n");
6993 phba
->sli4_hba
.els_cq
= qdesc
;
6997 * Create Slow Path Work Queues (WQs)
7000 /* Create Mailbox Command Queue */
7002 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.mq_esize
,
7003 phba
->sli4_hba
.mq_ecount
);
7005 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7006 "0505 Failed allocate slow-path MQ\n");
7009 phba
->sli4_hba
.mbx_wq
= qdesc
;
7012 * Create ELS Work Queues
7015 /* Create slow-path ELS Work Queue */
7016 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
7017 phba
->sli4_hba
.wq_ecount
);
7019 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7020 "0504 Failed allocate slow-path ELS WQ\n");
7023 phba
->sli4_hba
.els_wq
= qdesc
;
7026 * Create Receive Queue (RQ)
7029 /* Create Receive Queue for header */
7030 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
7031 phba
->sli4_hba
.rq_ecount
);
7033 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7034 "0506 Failed allocate receive HRQ\n");
7037 phba
->sli4_hba
.hdr_rq
= qdesc
;
7039 /* Create Receive Queue for data */
7040 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
7041 phba
->sli4_hba
.rq_ecount
);
7043 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7044 "0507 Failed allocate receive DRQ\n");
7047 phba
->sli4_hba
.dat_rq
= qdesc
;
7052 lpfc_sli4_queue_destroy(phba
);
7057 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
7058 * @phba: pointer to lpfc hba data structure.
7060 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
7065 * -ENOMEM - No available memory
7066 * -EIO - The mailbox failed to complete successfully.
7069 lpfc_sli4_queue_destroy(struct lpfc_hba
*phba
)
7073 if (phba
->sli4_hba
.hba_eq
!= NULL
) {
7074 /* Release HBA event queue */
7075 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
7076 if (phba
->sli4_hba
.hba_eq
[idx
] != NULL
) {
7077 lpfc_sli4_queue_free(
7078 phba
->sli4_hba
.hba_eq
[idx
]);
7079 phba
->sli4_hba
.hba_eq
[idx
] = NULL
;
7082 kfree(phba
->sli4_hba
.hba_eq
);
7083 phba
->sli4_hba
.hba_eq
= NULL
;
7086 if (phba
->sli4_hba
.fcp_cq
!= NULL
) {
7087 /* Release FCP completion queue */
7088 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
7089 if (phba
->sli4_hba
.fcp_cq
[idx
] != NULL
) {
7090 lpfc_sli4_queue_free(
7091 phba
->sli4_hba
.fcp_cq
[idx
]);
7092 phba
->sli4_hba
.fcp_cq
[idx
] = NULL
;
7095 kfree(phba
->sli4_hba
.fcp_cq
);
7096 phba
->sli4_hba
.fcp_cq
= NULL
;
7099 if (phba
->sli4_hba
.fcp_wq
!= NULL
) {
7100 /* Release FCP work queue */
7101 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
7102 if (phba
->sli4_hba
.fcp_wq
[idx
] != NULL
) {
7103 lpfc_sli4_queue_free(
7104 phba
->sli4_hba
.fcp_wq
[idx
]);
7105 phba
->sli4_hba
.fcp_wq
[idx
] = NULL
;
7108 kfree(phba
->sli4_hba
.fcp_wq
);
7109 phba
->sli4_hba
.fcp_wq
= NULL
;
7112 if (phba
->pci_bar0_memmap_p
) {
7113 iounmap(phba
->pci_bar0_memmap_p
);
7114 phba
->pci_bar0_memmap_p
= NULL
;
7116 if (phba
->pci_bar2_memmap_p
) {
7117 iounmap(phba
->pci_bar2_memmap_p
);
7118 phba
->pci_bar2_memmap_p
= NULL
;
7120 if (phba
->pci_bar4_memmap_p
) {
7121 iounmap(phba
->pci_bar4_memmap_p
);
7122 phba
->pci_bar4_memmap_p
= NULL
;
7125 /* Release FCP CQ mapping array */
7126 if (phba
->sli4_hba
.fcp_cq_map
!= NULL
) {
7127 kfree(phba
->sli4_hba
.fcp_cq_map
);
7128 phba
->sli4_hba
.fcp_cq_map
= NULL
;
7131 /* Release mailbox command work queue */
7132 if (phba
->sli4_hba
.mbx_wq
!= NULL
) {
7133 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
7134 phba
->sli4_hba
.mbx_wq
= NULL
;
7137 /* Release ELS work queue */
7138 if (phba
->sli4_hba
.els_wq
!= NULL
) {
7139 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
7140 phba
->sli4_hba
.els_wq
= NULL
;
7143 /* Release unsolicited receive queue */
7144 if (phba
->sli4_hba
.hdr_rq
!= NULL
) {
7145 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
7146 phba
->sli4_hba
.hdr_rq
= NULL
;
7148 if (phba
->sli4_hba
.dat_rq
!= NULL
) {
7149 lpfc_sli4_queue_free(phba
->sli4_hba
.dat_rq
);
7150 phba
->sli4_hba
.dat_rq
= NULL
;
7153 /* Release ELS complete queue */
7154 if (phba
->sli4_hba
.els_cq
!= NULL
) {
7155 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
7156 phba
->sli4_hba
.els_cq
= NULL
;
7159 /* Release mailbox command complete queue */
7160 if (phba
->sli4_hba
.mbx_cq
!= NULL
) {
7161 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
7162 phba
->sli4_hba
.mbx_cq
= NULL
;
7169 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
7170 * @phba: pointer to lpfc hba data structure.
7172 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
7177 * -ENOMEM - No available memory
7178 * -EIO - The mailbox failed to complete successfully.
7181 lpfc_sli4_queue_setup(struct lpfc_hba
*phba
)
7183 struct lpfc_sli
*psli
= &phba
->sli
;
7184 struct lpfc_sli_ring
*pring
;
7186 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
7187 int fcp_cq_index
= 0;
7188 uint32_t shdr_status
, shdr_add_status
;
7189 union lpfc_sli4_cfg_shdr
*shdr
;
7190 LPFC_MBOXQ_t
*mboxq
;
7193 /* Check for dual-ULP support */
7194 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7196 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7197 "3249 Unable to allocate memory for "
7198 "QUERY_FW_CFG mailbox command\n");
7201 length
= (sizeof(struct lpfc_mbx_query_fw_config
) -
7202 sizeof(struct lpfc_sli4_cfg_mhdr
));
7203 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7204 LPFC_MBOX_OPCODE_QUERY_FW_CFG
,
7205 length
, LPFC_SLI4_MBX_EMBED
);
7207 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7209 shdr
= (union lpfc_sli4_cfg_shdr
*)
7210 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7211 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7212 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
7213 if (shdr_status
|| shdr_add_status
|| rc
) {
7214 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7215 "3250 QUERY_FW_CFG mailbox failed with status "
7216 "x%x add_status x%x, mbx status x%x\n",
7217 shdr_status
, shdr_add_status
, rc
);
7218 if (rc
!= MBX_TIMEOUT
)
7219 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7224 phba
->sli4_hba
.fw_func_mode
=
7225 mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.function_mode
;
7226 phba
->sli4_hba
.ulp0_mode
= mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.ulp0_mode
;
7227 phba
->sli4_hba
.ulp1_mode
= mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.ulp1_mode
;
7228 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7229 "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, "
7230 "ulp1_mode:x%x\n", phba
->sli4_hba
.fw_func_mode
,
7231 phba
->sli4_hba
.ulp0_mode
, phba
->sli4_hba
.ulp1_mode
);
7233 if (rc
!= MBX_TIMEOUT
)
7234 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7237 * Set up HBA Event Queues (EQs)
7240 /* Set up HBA event queue */
7241 if (phba
->cfg_fcp_io_channel
&& !phba
->sli4_hba
.hba_eq
) {
7242 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7243 "3147 Fast-path EQs not allocated\n");
7247 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_io_channel
; fcp_eqidx
++) {
7248 if (!phba
->sli4_hba
.hba_eq
[fcp_eqidx
]) {
7249 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7250 "0522 Fast-path EQ (%d) not "
7251 "allocated\n", fcp_eqidx
);
7253 goto out_destroy_hba_eq
;
7255 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.hba_eq
[fcp_eqidx
],
7256 (phba
->cfg_fcp_imax
/ phba
->cfg_fcp_io_channel
));
7258 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7259 "0523 Failed setup of fast-path EQ "
7260 "(%d), rc = 0x%x\n", fcp_eqidx
, rc
);
7261 goto out_destroy_hba_eq
;
7263 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7264 "2584 HBA EQ setup: "
7265 "queue[%d]-id=%d\n", fcp_eqidx
,
7266 phba
->sli4_hba
.hba_eq
[fcp_eqidx
]->queue_id
);
7269 /* Set up fast-path FCP Response Complete Queue */
7270 if (!phba
->sli4_hba
.fcp_cq
) {
7271 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7272 "3148 Fast-path FCP CQ array not "
7275 goto out_destroy_hba_eq
;
7278 for (fcp_cqidx
= 0; fcp_cqidx
< phba
->cfg_fcp_io_channel
; fcp_cqidx
++) {
7279 if (!phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]) {
7280 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7281 "0526 Fast-path FCP CQ (%d) not "
7282 "allocated\n", fcp_cqidx
);
7284 goto out_destroy_fcp_cq
;
7286 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
7287 phba
->sli4_hba
.hba_eq
[fcp_cqidx
], LPFC_WCQ
, LPFC_FCP
);
7289 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7290 "0527 Failed setup of fast-path FCP "
7291 "CQ (%d), rc = 0x%x\n", fcp_cqidx
, rc
);
7292 goto out_destroy_fcp_cq
;
7295 /* Setup fcp_cq_map for fast lookup */
7296 phba
->sli4_hba
.fcp_cq_map
[fcp_cqidx
] =
7297 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
;
7299 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7300 "2588 FCP CQ setup: cq[%d]-id=%d, "
7301 "parent seq[%d]-id=%d\n",
7303 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
,
7305 phba
->sli4_hba
.hba_eq
[fcp_cqidx
]->queue_id
);
7308 /* Set up fast-path FCP Work Queue */
7309 if (!phba
->sli4_hba
.fcp_wq
) {
7310 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7311 "3149 Fast-path FCP WQ array not "
7314 goto out_destroy_fcp_cq
;
7317 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_io_channel
; fcp_wqidx
++) {
7318 if (!phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]) {
7319 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7320 "0534 Fast-path FCP WQ (%d) not "
7321 "allocated\n", fcp_wqidx
);
7323 goto out_destroy_fcp_wq
;
7325 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
],
7326 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
],
7329 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7330 "0535 Failed setup of fast-path FCP "
7331 "WQ (%d), rc = 0x%x\n", fcp_wqidx
, rc
);
7332 goto out_destroy_fcp_wq
;
7335 /* Bind this WQ to the next FCP ring */
7336 pring
= &psli
->ring
[MAX_SLI3_CONFIGURED_RINGS
+ fcp_wqidx
];
7337 pring
->sli
.sli4
.wqp
= (void *)phba
->sli4_hba
.fcp_wq
[fcp_wqidx
];
7338 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
]->pring
= pring
;
7340 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7341 "2591 FCP WQ setup: wq[%d]-id=%d, "
7342 "parent cq[%d]-id=%d\n",
7344 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]->queue_id
,
7346 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
]->queue_id
);
7349 * Set up Complete Queues (CQs)
7352 /* Set up slow-path MBOX Complete Queue as the first CQ */
7353 if (!phba
->sli4_hba
.mbx_cq
) {
7354 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7355 "0528 Mailbox CQ not allocated\n");
7357 goto out_destroy_fcp_wq
;
7359 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.mbx_cq
,
7360 phba
->sli4_hba
.hba_eq
[0], LPFC_MCQ
, LPFC_MBOX
);
7362 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7363 "0529 Failed setup of slow-path mailbox CQ: "
7365 goto out_destroy_fcp_wq
;
7367 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7368 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
7369 phba
->sli4_hba
.mbx_cq
->queue_id
,
7370 phba
->sli4_hba
.hba_eq
[0]->queue_id
);
7372 /* Set up slow-path ELS Complete Queue */
7373 if (!phba
->sli4_hba
.els_cq
) {
7374 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7375 "0530 ELS CQ not allocated\n");
7377 goto out_destroy_mbx_cq
;
7379 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.els_cq
,
7380 phba
->sli4_hba
.hba_eq
[0], LPFC_WCQ
, LPFC_ELS
);
7382 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7383 "0531 Failed setup of slow-path ELS CQ: "
7385 goto out_destroy_mbx_cq
;
7387 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7388 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
7389 phba
->sli4_hba
.els_cq
->queue_id
,
7390 phba
->sli4_hba
.hba_eq
[0]->queue_id
);
7393 * Set up all the Work Queues (WQs)
7396 /* Set up Mailbox Command Queue */
7397 if (!phba
->sli4_hba
.mbx_wq
) {
7398 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7399 "0538 Slow-path MQ not allocated\n");
7401 goto out_destroy_els_cq
;
7403 rc
= lpfc_mq_create(phba
, phba
->sli4_hba
.mbx_wq
,
7404 phba
->sli4_hba
.mbx_cq
, LPFC_MBOX
);
7406 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7407 "0539 Failed setup of slow-path MQ: "
7409 goto out_destroy_els_cq
;
7411 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7412 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
7413 phba
->sli4_hba
.mbx_wq
->queue_id
,
7414 phba
->sli4_hba
.mbx_cq
->queue_id
);
7416 /* Set up slow-path ELS Work Queue */
7417 if (!phba
->sli4_hba
.els_wq
) {
7418 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7419 "0536 Slow-path ELS WQ not allocated\n");
7421 goto out_destroy_mbx_wq
;
7423 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.els_wq
,
7424 phba
->sli4_hba
.els_cq
, LPFC_ELS
);
7426 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7427 "0537 Failed setup of slow-path ELS WQ: "
7429 goto out_destroy_mbx_wq
;
7432 /* Bind this WQ to the ELS ring */
7433 pring
= &psli
->ring
[LPFC_ELS_RING
];
7434 pring
->sli
.sli4
.wqp
= (void *)phba
->sli4_hba
.els_wq
;
7435 phba
->sli4_hba
.els_cq
->pring
= pring
;
7437 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7438 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
7439 phba
->sli4_hba
.els_wq
->queue_id
,
7440 phba
->sli4_hba
.els_cq
->queue_id
);
7443 * Create Receive Queue (RQ)
7445 if (!phba
->sli4_hba
.hdr_rq
|| !phba
->sli4_hba
.dat_rq
) {
7446 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7447 "0540 Receive Queue not allocated\n");
7449 goto out_destroy_els_wq
;
7452 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.hdr_rq
, LPFC_ELS_HBQ
);
7453 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.dat_rq
, LPFC_ELS_HBQ
);
7455 rc
= lpfc_rq_create(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
7456 phba
->sli4_hba
.els_cq
, LPFC_USOL
);
7458 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7459 "0541 Failed setup of Receive Queue: "
7461 goto out_destroy_fcp_wq
;
7464 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7465 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
7466 "parent cq-id=%d\n",
7467 phba
->sli4_hba
.hdr_rq
->queue_id
,
7468 phba
->sli4_hba
.dat_rq
->queue_id
,
7469 phba
->sli4_hba
.els_cq
->queue_id
);
7473 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
7475 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
7477 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
7479 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
7481 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--)
7482 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
7484 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--)
7485 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
7487 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--)
7488 lpfc_eq_destroy(phba
, phba
->sli4_hba
.hba_eq
[fcp_eqidx
]);
7494 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
7495 * @phba: pointer to lpfc hba data structure.
7497 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
7502 * -ENOMEM - No available memory
7503 * -EIO - The mailbox failed to complete successfully.
7506 lpfc_sli4_queue_unset(struct lpfc_hba
*phba
)
7510 /* Unset mailbox command work queue */
7511 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
7512 /* Unset ELS work queue */
7513 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
7514 /* Unset unsolicited receive queue */
7515 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
);
7516 /* Unset FCP work queue */
7517 if (phba
->sli4_hba
.fcp_wq
) {
7518 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7520 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
7522 /* Unset mailbox command complete queue */
7523 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
7524 /* Unset ELS complete queue */
7525 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
7526 /* Unset FCP response complete queue */
7527 if (phba
->sli4_hba
.fcp_cq
) {
7528 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7530 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
7532 /* Unset fast-path event queue */
7533 if (phba
->sli4_hba
.hba_eq
) {
7534 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7536 lpfc_eq_destroy(phba
, phba
->sli4_hba
.hba_eq
[fcp_qidx
]);
7541 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
7542 * @phba: pointer to lpfc hba data structure.
7544 * This routine is invoked to allocate and set up a pool of completion queue
7545 * events. The body of the completion queue event is a completion queue entry
7546 * CQE. For now, this pool is used for the interrupt service routine to queue
7547 * the following HBA completion queue events for the worker thread to process:
7548 * - Mailbox asynchronous events
7549 * - Receive queue completion unsolicited events
7550 * Later, this can be used for all the slow-path events.
7554 * -ENOMEM - No available memory
7557 lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*phba
)
7559 struct lpfc_cq_event
*cq_event
;
7562 for (i
= 0; i
< (4 * phba
->sli4_hba
.cq_ecount
); i
++) {
7563 cq_event
= kmalloc(sizeof(struct lpfc_cq_event
), GFP_KERNEL
);
7565 goto out_pool_create_fail
;
7566 list_add_tail(&cq_event
->list
,
7567 &phba
->sli4_hba
.sp_cqe_event_pool
);
7571 out_pool_create_fail
:
7572 lpfc_sli4_cq_event_pool_destroy(phba
);
7577 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
7578 * @phba: pointer to lpfc hba data structure.
7580 * This routine is invoked to free the pool of completion queue events at
7581 * driver unload time. Note that, it is the responsibility of the driver
7582 * cleanup routine to free all the outstanding completion-queue events
7583 * allocated from this pool back into the pool before invoking this routine
7584 * to destroy the pool.
7587 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*phba
)
7589 struct lpfc_cq_event
*cq_event
, *next_cq_event
;
7591 list_for_each_entry_safe(cq_event
, next_cq_event
,
7592 &phba
->sli4_hba
.sp_cqe_event_pool
, list
) {
7593 list_del(&cq_event
->list
);
7599 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7600 * @phba: pointer to lpfc hba data structure.
7602 * This routine is the lock free version of the API invoked to allocate a
7603 * completion-queue event from the free pool.
7605 * Return: Pointer to the newly allocated completion-queue event if successful
7608 struct lpfc_cq_event
*
7609 __lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
7611 struct lpfc_cq_event
*cq_event
= NULL
;
7613 list_remove_head(&phba
->sli4_hba
.sp_cqe_event_pool
, cq_event
,
7614 struct lpfc_cq_event
, list
);
7619 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7620 * @phba: pointer to lpfc hba data structure.
7622 * This routine is the lock version of the API invoked to allocate a
7623 * completion-queue event from the free pool.
7625 * Return: Pointer to the newly allocated completion-queue event if successful
7628 struct lpfc_cq_event
*
7629 lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
7631 struct lpfc_cq_event
*cq_event
;
7632 unsigned long iflags
;
7634 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7635 cq_event
= __lpfc_sli4_cq_event_alloc(phba
);
7636 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7641 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7642 * @phba: pointer to lpfc hba data structure.
7643 * @cq_event: pointer to the completion queue event to be freed.
7645 * This routine is the lock free version of the API invoked to release a
7646 * completion-queue event back into the free pool.
7649 __lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
7650 struct lpfc_cq_event
*cq_event
)
7652 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_cqe_event_pool
);
7656 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7657 * @phba: pointer to lpfc hba data structure.
7658 * @cq_event: pointer to the completion queue event to be freed.
7660 * This routine is the lock version of the API invoked to release a
7661 * completion-queue event back into the free pool.
7664 lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
7665 struct lpfc_cq_event
*cq_event
)
7667 unsigned long iflags
;
7668 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7669 __lpfc_sli4_cq_event_release(phba
, cq_event
);
7670 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7674 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
7675 * @phba: pointer to lpfc hba data structure.
7677 * This routine is to free all the pending completion-queue events to the
7678 * back into the free pool for device reset.
7681 lpfc_sli4_cq_event_release_all(struct lpfc_hba
*phba
)
7684 struct lpfc_cq_event
*cqe
;
7685 unsigned long iflags
;
7687 /* Retrieve all the pending WCQEs from pending WCQE lists */
7688 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7689 /* Pending FCP XRI abort events */
7690 list_splice_init(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
7692 /* Pending ELS XRI abort events */
7693 list_splice_init(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
7695 /* Pending asynnc events */
7696 list_splice_init(&phba
->sli4_hba
.sp_asynce_work_queue
,
7698 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7700 while (!list_empty(&cqelist
)) {
7701 list_remove_head(&cqelist
, cqe
, struct lpfc_cq_event
, list
);
7702 lpfc_sli4_cq_event_release(phba
, cqe
);
7707 * lpfc_pci_function_reset - Reset pci function.
7708 * @phba: pointer to lpfc hba data structure.
7710 * This routine is invoked to request a PCI function reset. It will destroys
7711 * all resources assigned to the PCI function which originates this request.
7715 * -ENOMEM - No available memory
7716 * -EIO - The mailbox failed to complete successfully.
7719 lpfc_pci_function_reset(struct lpfc_hba
*phba
)
7721 LPFC_MBOXQ_t
*mboxq
;
7722 uint32_t rc
= 0, if_type
;
7723 uint32_t shdr_status
, shdr_add_status
;
7724 uint32_t rdy_chk
, num_resets
= 0, reset_again
= 0;
7725 union lpfc_sli4_cfg_shdr
*shdr
;
7726 struct lpfc_register reg_data
;
7729 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7731 case LPFC_SLI_INTF_IF_TYPE_0
:
7732 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
7735 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7736 "0494 Unable to allocate memory for "
7737 "issuing SLI_FUNCTION_RESET mailbox "
7742 /* Setup PCI function reset mailbox-ioctl command */
7743 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7744 LPFC_MBOX_OPCODE_FUNCTION_RESET
, 0,
7745 LPFC_SLI4_MBX_EMBED
);
7746 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7747 shdr
= (union lpfc_sli4_cfg_shdr
*)
7748 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7749 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7750 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
7752 if (rc
!= MBX_TIMEOUT
)
7753 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7754 if (shdr_status
|| shdr_add_status
|| rc
) {
7755 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7756 "0495 SLI_FUNCTION_RESET mailbox "
7757 "failed with status x%x add_status x%x,"
7758 " mbx status x%x\n",
7759 shdr_status
, shdr_add_status
, rc
);
7763 case LPFC_SLI_INTF_IF_TYPE_2
:
7764 for (num_resets
= 0;
7765 num_resets
< MAX_IF_TYPE_2_RESETS
;
7768 bf_set(lpfc_sliport_ctrl_end
, ®_data
,
7769 LPFC_SLIPORT_LITTLE_ENDIAN
);
7770 bf_set(lpfc_sliport_ctrl_ip
, ®_data
,
7771 LPFC_SLIPORT_INIT_PORT
);
7772 writel(reg_data
.word0
, phba
->sli4_hba
.u
.if_type2
.
7775 pci_read_config_word(phba
->pcidev
,
7776 PCI_DEVICE_ID
, &devid
);
7778 * Poll the Port Status Register and wait for RDY for
7779 * up to 10 seconds. If the port doesn't respond, treat
7780 * it as an error. If the port responds with RN, start
7783 for (rdy_chk
= 0; rdy_chk
< 1000; rdy_chk
++) {
7785 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.
7786 STATUSregaddr
, ®_data
.word0
)) {
7790 if (bf_get(lpfc_sliport_status_rn
, ®_data
))
7792 if (bf_get(lpfc_sliport_status_rdy
, ®_data
))
7797 * If the port responds to the init request with
7798 * reset needed, delay for a bit and restart the loop.
7800 if (reset_again
&& (rdy_chk
< 1000)) {
7806 /* Detect any port errors. */
7807 if ((bf_get(lpfc_sliport_status_err
, ®_data
)) ||
7808 (rdy_chk
>= 1000)) {
7809 phba
->work_status
[0] = readl(
7810 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
7811 phba
->work_status
[1] = readl(
7812 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
7813 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7814 "2890 Port error detected during port "
7815 "reset(%d): wait_tmo:%d ms, "
7816 "port status reg 0x%x, "
7817 "error 1=0x%x, error 2=0x%x\n",
7818 num_resets
, rdy_chk
*10,
7820 phba
->work_status
[0],
7821 phba
->work_status
[1]);
7826 * Terminate the outer loop provided the Port indicated
7827 * ready within 10 seconds.
7832 /* delay driver action following IF_TYPE_2 function reset */
7835 case LPFC_SLI_INTF_IF_TYPE_1
:
7841 /* Catch the not-ready port failure after a port reset. */
7842 if (num_resets
>= MAX_IF_TYPE_2_RESETS
) {
7843 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7844 "3317 HBA not functional: IP Reset Failed "
7845 "after (%d) retries, try: "
7846 "echo fw_reset > board_mode\n", num_resets
);
7854 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
7855 * @phba: pointer to lpfc hba data structure.
7857 * This routine is invoked to set up the PCI device memory space for device
7858 * with SLI-4 interface spec.
7862 * other values - error
7865 lpfc_sli4_pci_mem_setup(struct lpfc_hba
*phba
)
7867 struct pci_dev
*pdev
;
7868 unsigned long bar0map_len
, bar1map_len
, bar2map_len
;
7869 int error
= -ENODEV
;
7872 /* Obtain PCI device reference */
7876 pdev
= phba
->pcidev
;
7878 /* Set the device DMA mask size */
7879 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
7880 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
7881 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
7882 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
7888 * The BARs and register set definitions and offset locations are
7889 * dependent on the if_type.
7891 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
,
7892 &phba
->sli4_hba
.sli_intf
.word0
)) {
7896 /* There is no SLI3 failback for SLI4 devices. */
7897 if (bf_get(lpfc_sli_intf_valid
, &phba
->sli4_hba
.sli_intf
) !=
7898 LPFC_SLI_INTF_VALID
) {
7899 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7900 "2894 SLI_INTF reg contents invalid "
7901 "sli_intf reg 0x%x\n",
7902 phba
->sli4_hba
.sli_intf
.word0
);
7906 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7908 * Get the bus address of SLI4 device Bar regions and the
7909 * number of bytes required by each mapping. The mapping of the
7910 * particular PCI BARs regions is dependent on the type of
7913 if (pci_resource_start(pdev
, 0)) {
7914 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
7915 bar0map_len
= pci_resource_len(pdev
, 0);
7918 * Map SLI4 PCI Config Space Register base to a kernel virtual
7921 phba
->sli4_hba
.conf_regs_memmap_p
=
7922 ioremap(phba
->pci_bar0_map
, bar0map_len
);
7923 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
7924 dev_printk(KERN_ERR
, &pdev
->dev
,
7925 "ioremap failed for SLI4 PCI config "
7929 /* Set up BAR0 PCI config space register memory map */
7930 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
7932 phba
->pci_bar0_map
= pci_resource_start(pdev
, 1);
7933 bar0map_len
= pci_resource_len(pdev
, 1);
7934 if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
7935 dev_printk(KERN_ERR
, &pdev
->dev
,
7936 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
7939 phba
->sli4_hba
.conf_regs_memmap_p
=
7940 ioremap(phba
->pci_bar0_map
, bar0map_len
);
7941 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
7942 dev_printk(KERN_ERR
, &pdev
->dev
,
7943 "ioremap failed for SLI4 PCI config "
7947 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
7950 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
7951 (pci_resource_start(pdev
, 2))) {
7953 * Map SLI4 if type 0 HBA Control Register base to a kernel
7954 * virtual address and setup the registers.
7956 phba
->pci_bar1_map
= pci_resource_start(pdev
, 2);
7957 bar1map_len
= pci_resource_len(pdev
, 2);
7958 phba
->sli4_hba
.ctrl_regs_memmap_p
=
7959 ioremap(phba
->pci_bar1_map
, bar1map_len
);
7960 if (!phba
->sli4_hba
.ctrl_regs_memmap_p
) {
7961 dev_printk(KERN_ERR
, &pdev
->dev
,
7962 "ioremap failed for SLI4 HBA control registers.\n");
7963 goto out_iounmap_conf
;
7965 lpfc_sli4_bar1_register_memmap(phba
);
7968 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
7969 (pci_resource_start(pdev
, 4))) {
7971 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
7972 * virtual address and setup the registers.
7974 phba
->pci_bar2_map
= pci_resource_start(pdev
, 4);
7975 bar2map_len
= pci_resource_len(pdev
, 4);
7976 phba
->sli4_hba
.drbl_regs_memmap_p
=
7977 ioremap(phba
->pci_bar2_map
, bar2map_len
);
7978 if (!phba
->sli4_hba
.drbl_regs_memmap_p
) {
7979 dev_printk(KERN_ERR
, &pdev
->dev
,
7980 "ioremap failed for SLI4 HBA doorbell registers.\n");
7981 goto out_iounmap_ctrl
;
7983 error
= lpfc_sli4_bar2_register_memmap(phba
, LPFC_VF0
);
7985 goto out_iounmap_all
;
7991 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
7993 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
7995 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
8001 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
8002 * @phba: pointer to lpfc hba data structure.
8004 * This routine is invoked to unset the PCI device memory space for device
8005 * with SLI-4 interface spec.
8008 lpfc_sli4_pci_mem_unset(struct lpfc_hba
*phba
)
8011 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
8014 case LPFC_SLI_INTF_IF_TYPE_0
:
8015 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
8016 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
8017 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
8019 case LPFC_SLI_INTF_IF_TYPE_2
:
8020 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
8022 case LPFC_SLI_INTF_IF_TYPE_1
:
8024 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
8025 "FATAL - unsupported SLI4 interface type - %d\n",
8032 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
8033 * @phba: pointer to lpfc hba data structure.
8035 * This routine is invoked to enable the MSI-X interrupt vectors to device
8036 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
8037 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
8038 * invoked, enables either all or nothing, depending on the current
8039 * availability of PCI vector resources. The device driver is responsible
8040 * for calling the individual request_irq() to register each MSI-X vector
8041 * with a interrupt handler, which is done in this function. Note that
8042 * later when device is unloading, the driver should always call free_irq()
8043 * on all MSI-X vectors it has done request_irq() on before calling
8044 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
8045 * will be left with MSI-X enabled and leaks its vectors.
8049 * other values - error
8052 lpfc_sli_enable_msix(struct lpfc_hba
*phba
)
8057 /* Set up MSI-X multi-message vectors */
8058 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
8059 phba
->msix_entries
[i
].entry
= i
;
8061 /* Configure MSI-X capability structure */
8062 rc
= pci_enable_msix(phba
->pcidev
, phba
->msix_entries
,
8063 ARRAY_SIZE(phba
->msix_entries
));
8065 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8066 "0420 PCI enable MSI-X failed (%d)\n", rc
);
8069 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
8070 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8071 "0477 MSI-X entry[%d]: vector=x%x "
8073 phba
->msix_entries
[i
].vector
,
8074 phba
->msix_entries
[i
].entry
);
8076 * Assign MSI-X vectors to interrupt handlers
8079 /* vector-0 is associated to slow-path handler */
8080 rc
= request_irq(phba
->msix_entries
[0].vector
,
8081 &lpfc_sli_sp_intr_handler
, IRQF_SHARED
,
8082 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
8084 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8085 "0421 MSI-X slow-path request_irq failed "
8090 /* vector-1 is associated to fast-path handler */
8091 rc
= request_irq(phba
->msix_entries
[1].vector
,
8092 &lpfc_sli_fp_intr_handler
, IRQF_SHARED
,
8093 LPFC_FP_DRIVER_HANDLER_NAME
, phba
);
8096 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8097 "0429 MSI-X fast-path request_irq failed "
8103 * Configure HBA MSI-X attention conditions to messages
8105 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
8109 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8110 "0474 Unable to allocate memory for issuing "
8111 "MBOX_CONFIG_MSI command\n");
8114 rc
= lpfc_config_msi(phba
, pmb
);
8117 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
8118 if (rc
!= MBX_SUCCESS
) {
8119 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
8120 "0351 Config MSI mailbox command failed, "
8121 "mbxCmd x%x, mbxStatus x%x\n",
8122 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
);
8126 /* Free memory allocated for mailbox command */
8127 mempool_free(pmb
, phba
->mbox_mem_pool
);
8131 /* Free memory allocated for mailbox command */
8132 mempool_free(pmb
, phba
->mbox_mem_pool
);
8135 /* free the irq already requested */
8136 free_irq(phba
->msix_entries
[1].vector
, phba
);
8139 /* free the irq already requested */
8140 free_irq(phba
->msix_entries
[0].vector
, phba
);
8143 /* Unconfigure MSI-X capability structure */
8144 pci_disable_msix(phba
->pcidev
);
8149 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
8150 * @phba: pointer to lpfc hba data structure.
8152 * This routine is invoked to release the MSI-X vectors and then disable the
8153 * MSI-X interrupt mode to device with SLI-3 interface spec.
8156 lpfc_sli_disable_msix(struct lpfc_hba
*phba
)
8160 /* Free up MSI-X multi-message vectors */
8161 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
8162 free_irq(phba
->msix_entries
[i
].vector
, phba
);
8164 pci_disable_msix(phba
->pcidev
);
8170 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
8171 * @phba: pointer to lpfc hba data structure.
8173 * This routine is invoked to enable the MSI interrupt mode to device with
8174 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
8175 * enable the MSI vector. The device driver is responsible for calling the
8176 * request_irq() to register MSI vector with a interrupt the handler, which
8177 * is done in this function.
8181 * other values - error
8184 lpfc_sli_enable_msi(struct lpfc_hba
*phba
)
8188 rc
= pci_enable_msi(phba
->pcidev
);
8190 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8191 "0462 PCI enable MSI mode success.\n");
8193 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8194 "0471 PCI enable MSI mode failed (%d)\n", rc
);
8198 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
8199 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8201 pci_disable_msi(phba
->pcidev
);
8202 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8203 "0478 MSI request_irq failed (%d)\n", rc
);
8209 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
8210 * @phba: pointer to lpfc hba data structure.
8212 * This routine is invoked to disable the MSI interrupt mode to device with
8213 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
8214 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8215 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8219 lpfc_sli_disable_msi(struct lpfc_hba
*phba
)
8221 free_irq(phba
->pcidev
->irq
, phba
);
8222 pci_disable_msi(phba
->pcidev
);
8227 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
8228 * @phba: pointer to lpfc hba data structure.
8230 * This routine is invoked to enable device interrupt and associate driver's
8231 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
8232 * spec. Depends on the interrupt mode configured to the driver, the driver
8233 * will try to fallback from the configured interrupt mode to an interrupt
8234 * mode which is supported by the platform, kernel, and device in the order
8236 * MSI-X -> MSI -> IRQ.
8240 * other values - error
8243 lpfc_sli_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
8245 uint32_t intr_mode
= LPFC_INTR_ERROR
;
8248 if (cfg_mode
== 2) {
8249 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
8250 retval
= lpfc_sli_config_port(phba
, LPFC_SLI_REV3
);
8252 /* Now, try to enable MSI-X interrupt mode */
8253 retval
= lpfc_sli_enable_msix(phba
);
8255 /* Indicate initialization to MSI-X mode */
8256 phba
->intr_type
= MSIX
;
8262 /* Fallback to MSI if MSI-X initialization failed */
8263 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
8264 retval
= lpfc_sli_enable_msi(phba
);
8266 /* Indicate initialization to MSI mode */
8267 phba
->intr_type
= MSI
;
8272 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8273 if (phba
->intr_type
== NONE
) {
8274 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
8275 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8277 /* Indicate initialization to INTx mode */
8278 phba
->intr_type
= INTx
;
8286 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
8287 * @phba: pointer to lpfc hba data structure.
8289 * This routine is invoked to disable device interrupt and disassociate the
8290 * driver's interrupt handler(s) from interrupt vector(s) to device with
8291 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
8292 * release the interrupt vector(s) for the message signaled interrupt.
8295 lpfc_sli_disable_intr(struct lpfc_hba
*phba
)
8297 /* Disable the currently initialized interrupt mode */
8298 if (phba
->intr_type
== MSIX
)
8299 lpfc_sli_disable_msix(phba
);
8300 else if (phba
->intr_type
== MSI
)
8301 lpfc_sli_disable_msi(phba
);
8302 else if (phba
->intr_type
== INTx
)
8303 free_irq(phba
->pcidev
->irq
, phba
);
8305 /* Reset interrupt management states */
8306 phba
->intr_type
= NONE
;
8307 phba
->sli
.slistat
.sli_intr
= 0;
8313 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
8314 * @phba: pointer to lpfc hba data structure.
8316 * This routine is invoked to enable the MSI-X interrupt vectors to device
8317 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
8318 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
8319 * enables either all or nothing, depending on the current availability of
8320 * PCI vector resources. The device driver is responsible for calling the
8321 * individual request_irq() to register each MSI-X vector with a interrupt
8322 * handler, which is done in this function. Note that later when device is
8323 * unloading, the driver should always call free_irq() on all MSI-X vectors
8324 * it has done request_irq() on before calling pci_disable_msix(). Failure
8325 * to do so results in a BUG_ON() and a device will be left with MSI-X
8326 * enabled and leaks its vectors.
8330 * other values - error
8333 lpfc_sli4_enable_msix(struct lpfc_hba
*phba
)
8335 int vectors
, rc
, index
;
8337 /* Set up MSI-X multi-message vectors */
8338 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++)
8339 phba
->sli4_hba
.msix_entries
[index
].entry
= index
;
8341 /* Configure MSI-X capability structure */
8342 vectors
= phba
->cfg_fcp_io_channel
;
8343 enable_msix_vectors
:
8344 rc
= pci_enable_msix(phba
->pcidev
, phba
->sli4_hba
.msix_entries
,
8348 goto enable_msix_vectors
;
8350 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8351 "0484 PCI enable MSI-X failed (%d)\n", rc
);
8355 /* Log MSI-X vector assignment */
8356 for (index
= 0; index
< vectors
; index
++)
8357 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8358 "0489 MSI-X entry[%d]: vector=x%x "
8359 "message=%d\n", index
,
8360 phba
->sli4_hba
.msix_entries
[index
].vector
,
8361 phba
->sli4_hba
.msix_entries
[index
].entry
);
8364 * Assign MSI-X vectors to interrupt handlers
8366 for (index
= 0; index
< vectors
; index
++) {
8367 memset(&phba
->sli4_hba
.handler_name
[index
], 0, 16);
8368 sprintf((char *)&phba
->sli4_hba
.handler_name
[index
],
8369 LPFC_DRIVER_HANDLER_NAME
"%d", index
);
8371 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8372 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8373 atomic_set(&phba
->sli4_hba
.fcp_eq_hdl
[index
].fcp_eq_in_use
, 1);
8374 rc
= request_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
8375 &lpfc_sli4_hba_intr_handler
, IRQF_SHARED
,
8376 (char *)&phba
->sli4_hba
.handler_name
[index
],
8377 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8379 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8380 "0486 MSI-X fast-path (%d) "
8381 "request_irq failed (%d)\n", index
, rc
);
8386 if (vectors
!= phba
->cfg_fcp_io_channel
) {
8387 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8388 "3238 Reducing IO channels to match number of "
8389 "MSI-X vectors, requested %d got %d\n",
8390 phba
->cfg_fcp_io_channel
, vectors
);
8391 phba
->cfg_fcp_io_channel
= vectors
;
8396 /* free the irq already requested */
8397 for (--index
; index
>= 0; index
--)
8398 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
8399 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8402 /* Unconfigure MSI-X capability structure */
8403 pci_disable_msix(phba
->pcidev
);
8408 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
8409 * @phba: pointer to lpfc hba data structure.
8411 * This routine is invoked to release the MSI-X vectors and then disable the
8412 * MSI-X interrupt mode to device with SLI-4 interface spec.
8415 lpfc_sli4_disable_msix(struct lpfc_hba
*phba
)
8419 /* Free up MSI-X multi-message vectors */
8420 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++)
8421 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
8422 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8425 pci_disable_msix(phba
->pcidev
);
8431 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
8432 * @phba: pointer to lpfc hba data structure.
8434 * This routine is invoked to enable the MSI interrupt mode to device with
8435 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
8436 * to enable the MSI vector. The device driver is responsible for calling
8437 * the request_irq() to register MSI vector with a interrupt the handler,
8438 * which is done in this function.
8442 * other values - error
8445 lpfc_sli4_enable_msi(struct lpfc_hba
*phba
)
8449 rc
= pci_enable_msi(phba
->pcidev
);
8451 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8452 "0487 PCI enable MSI mode success.\n");
8454 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8455 "0488 PCI enable MSI mode failed (%d)\n", rc
);
8459 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
8460 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8462 pci_disable_msi(phba
->pcidev
);
8463 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8464 "0490 MSI request_irq failed (%d)\n", rc
);
8468 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++) {
8469 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8470 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8477 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
8478 * @phba: pointer to lpfc hba data structure.
8480 * This routine is invoked to disable the MSI interrupt mode to device with
8481 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
8482 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8483 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8487 lpfc_sli4_disable_msi(struct lpfc_hba
*phba
)
8489 free_irq(phba
->pcidev
->irq
, phba
);
8490 pci_disable_msi(phba
->pcidev
);
8495 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
8496 * @phba: pointer to lpfc hba data structure.
8498 * This routine is invoked to enable device interrupt and associate driver's
8499 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
8500 * interface spec. Depends on the interrupt mode configured to the driver,
8501 * the driver will try to fallback from the configured interrupt mode to an
8502 * interrupt mode which is supported by the platform, kernel, and device in
8504 * MSI-X -> MSI -> IRQ.
8508 * other values - error
8511 lpfc_sli4_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
8513 uint32_t intr_mode
= LPFC_INTR_ERROR
;
8516 if (cfg_mode
== 2) {
8517 /* Preparation before conf_msi mbox cmd */
8520 /* Now, try to enable MSI-X interrupt mode */
8521 retval
= lpfc_sli4_enable_msix(phba
);
8523 /* Indicate initialization to MSI-X mode */
8524 phba
->intr_type
= MSIX
;
8530 /* Fallback to MSI if MSI-X initialization failed */
8531 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
8532 retval
= lpfc_sli4_enable_msi(phba
);
8534 /* Indicate initialization to MSI mode */
8535 phba
->intr_type
= MSI
;
8540 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8541 if (phba
->intr_type
== NONE
) {
8542 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
8543 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8545 /* Indicate initialization to INTx mode */
8546 phba
->intr_type
= INTx
;
8548 for (index
= 0; index
< phba
->cfg_fcp_io_channel
;
8550 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8551 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8552 atomic_set(&phba
->sli4_hba
.fcp_eq_hdl
[index
].
8561 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
8562 * @phba: pointer to lpfc hba data structure.
8564 * This routine is invoked to disable device interrupt and disassociate
8565 * the driver's interrupt handler(s) from interrupt vector(s) to device
8566 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
8567 * will release the interrupt vector(s) for the message signaled interrupt.
8570 lpfc_sli4_disable_intr(struct lpfc_hba
*phba
)
8572 /* Disable the currently initialized interrupt mode */
8573 if (phba
->intr_type
== MSIX
)
8574 lpfc_sli4_disable_msix(phba
);
8575 else if (phba
->intr_type
== MSI
)
8576 lpfc_sli4_disable_msi(phba
);
8577 else if (phba
->intr_type
== INTx
)
8578 free_irq(phba
->pcidev
->irq
, phba
);
8580 /* Reset interrupt management states */
8581 phba
->intr_type
= NONE
;
8582 phba
->sli
.slistat
.sli_intr
= 0;
8588 * lpfc_unset_hba - Unset SLI3 hba device initialization
8589 * @phba: pointer to lpfc hba data structure.
8591 * This routine is invoked to unset the HBA device initialization steps to
8592 * a device with SLI-3 interface spec.
8595 lpfc_unset_hba(struct lpfc_hba
*phba
)
8597 struct lpfc_vport
*vport
= phba
->pport
;
8598 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
8600 spin_lock_irq(shost
->host_lock
);
8601 vport
->load_flag
|= FC_UNLOADING
;
8602 spin_unlock_irq(shost
->host_lock
);
8604 kfree(phba
->vpi_bmask
);
8605 kfree(phba
->vpi_ids
);
8607 lpfc_stop_hba_timers(phba
);
8609 phba
->pport
->work_port_events
= 0;
8611 lpfc_sli_hba_down(phba
);
8613 lpfc_sli_brdrestart(phba
);
8615 lpfc_sli_disable_intr(phba
);
8621 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
8622 * @phba: Pointer to HBA context object.
8624 * This function is called in the SLI4 code path to wait for completion
8625 * of device's XRIs exchange busy. It will check the XRI exchange busy
8626 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
8627 * that, it will check the XRI exchange busy on outstanding FCP and ELS
8628 * I/Os every 30 seconds, log error message, and wait forever. Only when
8629 * all XRI exchange busy complete, the driver unload shall proceed with
8630 * invoking the function reset ioctl mailbox command to the CNA and the
8631 * the rest of the driver unload resource release.
8634 lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba
*phba
)
8637 int fcp_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
8638 int els_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
8640 while (!fcp_xri_cmpl
|| !els_xri_cmpl
) {
8641 if (wait_time
> LPFC_XRI_EXCH_BUSY_WAIT_TMO
) {
8643 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8644 "2877 FCP XRI exchange busy "
8645 "wait time: %d seconds.\n",
8648 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8649 "2878 ELS XRI exchange busy "
8650 "wait time: %d seconds.\n",
8652 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2
);
8653 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T2
;
8655 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1
);
8656 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T1
;
8659 list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
8661 list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
8666 * lpfc_sli4_hba_unset - Unset the fcoe hba
8667 * @phba: Pointer to HBA context object.
8669 * This function is called in the SLI4 code path to reset the HBA's FCoE
8670 * function. The caller is not required to hold any lock. This routine
8671 * issues PCI function reset mailbox command to reset the FCoE function.
8672 * At the end of the function, it calls lpfc_hba_down_post function to
8673 * free any pending commands.
8676 lpfc_sli4_hba_unset(struct lpfc_hba
*phba
)
8679 LPFC_MBOXQ_t
*mboxq
;
8680 struct pci_dev
*pdev
= phba
->pcidev
;
8682 lpfc_stop_hba_timers(phba
);
8683 phba
->sli4_hba
.intr_enable
= 0;
8686 * Gracefully wait out the potential current outstanding asynchronous
8690 /* First, block any pending async mailbox command from posted */
8691 spin_lock_irq(&phba
->hbalock
);
8692 phba
->sli
.sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
8693 spin_unlock_irq(&phba
->hbalock
);
8694 /* Now, trying to wait it out if we can */
8695 while (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
8697 if (++wait_cnt
> LPFC_ACTIVE_MBOX_WAIT_CNT
)
8700 /* Forcefully release the outstanding mailbox command if timed out */
8701 if (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
8702 spin_lock_irq(&phba
->hbalock
);
8703 mboxq
= phba
->sli
.mbox_active
;
8704 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
8705 __lpfc_mbox_cmpl_put(phba
, mboxq
);
8706 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
8707 phba
->sli
.mbox_active
= NULL
;
8708 spin_unlock_irq(&phba
->hbalock
);
8711 /* Abort all iocbs associated with the hba */
8712 lpfc_sli_hba_iocb_abort(phba
);
8714 /* Wait for completion of device XRI exchange busy */
8715 lpfc_sli4_xri_exchange_busy_wait(phba
);
8717 /* Disable PCI subsystem interrupt */
8718 lpfc_sli4_disable_intr(phba
);
8720 /* Disable SR-IOV if enabled */
8721 if (phba
->cfg_sriov_nr_virtfn
)
8722 pci_disable_sriov(pdev
);
8724 /* Stop kthread signal shall trigger work_done one more time */
8725 kthread_stop(phba
->worker_thread
);
8727 /* Reset SLI4 HBA FCoE function */
8728 lpfc_pci_function_reset(phba
);
8729 lpfc_sli4_queue_destroy(phba
);
8731 /* Stop the SLI4 device port */
8732 phba
->pport
->work_port_events
= 0;
8736 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
8737 * @phba: Pointer to HBA context object.
8738 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8740 * This function is called in the SLI4 code path to read the port's
8741 * sli4 capabilities.
8743 * This function may be be called from any context that can block-wait
8744 * for the completion. The expectation is that this routine is called
8745 * typically from probe_one or from the online routine.
8748 lpfc_pc_sli4_params_get(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
8751 struct lpfc_mqe
*mqe
;
8752 struct lpfc_pc_sli4_params
*sli4_params
;
8756 mqe
= &mboxq
->u
.mqe
;
8758 /* Read the port's SLI4 Parameters port capabilities */
8759 lpfc_pc_sli4_params(mboxq
);
8760 if (!phba
->sli4_hba
.intr_enable
)
8761 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8763 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
8764 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
8770 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
8771 sli4_params
->if_type
= bf_get(if_type
, &mqe
->un
.sli4_params
);
8772 sli4_params
->sli_rev
= bf_get(sli_rev
, &mqe
->un
.sli4_params
);
8773 sli4_params
->sli_family
= bf_get(sli_family
, &mqe
->un
.sli4_params
);
8774 sli4_params
->featurelevel_1
= bf_get(featurelevel_1
,
8775 &mqe
->un
.sli4_params
);
8776 sli4_params
->featurelevel_2
= bf_get(featurelevel_2
,
8777 &mqe
->un
.sli4_params
);
8778 sli4_params
->proto_types
= mqe
->un
.sli4_params
.word3
;
8779 sli4_params
->sge_supp_len
= mqe
->un
.sli4_params
.sge_supp_len
;
8780 sli4_params
->if_page_sz
= bf_get(if_page_sz
, &mqe
->un
.sli4_params
);
8781 sli4_params
->rq_db_window
= bf_get(rq_db_window
, &mqe
->un
.sli4_params
);
8782 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, &mqe
->un
.sli4_params
);
8783 sli4_params
->eq_pages_max
= bf_get(eq_pages
, &mqe
->un
.sli4_params
);
8784 sli4_params
->eqe_size
= bf_get(eqe_size
, &mqe
->un
.sli4_params
);
8785 sli4_params
->cq_pages_max
= bf_get(cq_pages
, &mqe
->un
.sli4_params
);
8786 sli4_params
->cqe_size
= bf_get(cqe_size
, &mqe
->un
.sli4_params
);
8787 sli4_params
->mq_pages_max
= bf_get(mq_pages
, &mqe
->un
.sli4_params
);
8788 sli4_params
->mqe_size
= bf_get(mqe_size
, &mqe
->un
.sli4_params
);
8789 sli4_params
->mq_elem_cnt
= bf_get(mq_elem_cnt
, &mqe
->un
.sli4_params
);
8790 sli4_params
->wq_pages_max
= bf_get(wq_pages
, &mqe
->un
.sli4_params
);
8791 sli4_params
->wqe_size
= bf_get(wqe_size
, &mqe
->un
.sli4_params
);
8792 sli4_params
->rq_pages_max
= bf_get(rq_pages
, &mqe
->un
.sli4_params
);
8793 sli4_params
->rqe_size
= bf_get(rqe_size
, &mqe
->un
.sli4_params
);
8794 sli4_params
->hdr_pages_max
= bf_get(hdr_pages
, &mqe
->un
.sli4_params
);
8795 sli4_params
->hdr_size
= bf_get(hdr_size
, &mqe
->un
.sli4_params
);
8796 sli4_params
->hdr_pp_align
= bf_get(hdr_pp_align
, &mqe
->un
.sli4_params
);
8797 sli4_params
->sgl_pages_max
= bf_get(sgl_pages
, &mqe
->un
.sli4_params
);
8798 sli4_params
->sgl_pp_align
= bf_get(sgl_pp_align
, &mqe
->un
.sli4_params
);
8800 /* Make sure that sge_supp_len can be handled by the driver */
8801 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
8802 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
8808 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
8809 * @phba: Pointer to HBA context object.
8810 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8812 * This function is called in the SLI4 code path to read the port's
8813 * sli4 capabilities.
8815 * This function may be be called from any context that can block-wait
8816 * for the completion. The expectation is that this routine is called
8817 * typically from probe_one or from the online routine.
8820 lpfc_get_sli4_parameters(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
8823 struct lpfc_mqe
*mqe
= &mboxq
->u
.mqe
;
8824 struct lpfc_pc_sli4_params
*sli4_params
;
8827 struct lpfc_sli4_parameters
*mbx_sli4_parameters
;
8830 * By default, the driver assumes the SLI4 port requires RPI
8831 * header postings. The SLI4_PARAM response will correct this
8834 phba
->sli4_hba
.rpi_hdrs_in_use
= 1;
8836 /* Read the port's SLI4 Config Parameters */
8837 length
= (sizeof(struct lpfc_mbx_get_sli4_parameters
) -
8838 sizeof(struct lpfc_sli4_cfg_mhdr
));
8839 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
8840 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS
,
8841 length
, LPFC_SLI4_MBX_EMBED
);
8842 if (!phba
->sli4_hba
.intr_enable
)
8843 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8845 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
8846 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
8850 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
8851 mbx_sli4_parameters
= &mqe
->un
.get_sli4_parameters
.sli4_parameters
;
8852 sli4_params
->if_type
= bf_get(cfg_if_type
, mbx_sli4_parameters
);
8853 sli4_params
->sli_rev
= bf_get(cfg_sli_rev
, mbx_sli4_parameters
);
8854 sli4_params
->sli_family
= bf_get(cfg_sli_family
, mbx_sli4_parameters
);
8855 sli4_params
->featurelevel_1
= bf_get(cfg_sli_hint_1
,
8856 mbx_sli4_parameters
);
8857 sli4_params
->featurelevel_2
= bf_get(cfg_sli_hint_2
,
8858 mbx_sli4_parameters
);
8859 if (bf_get(cfg_phwq
, mbx_sli4_parameters
))
8860 phba
->sli3_options
|= LPFC_SLI4_PHWQ_ENABLED
;
8862 phba
->sli3_options
&= ~LPFC_SLI4_PHWQ_ENABLED
;
8863 sli4_params
->sge_supp_len
= mbx_sli4_parameters
->sge_supp_len
;
8864 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, mbx_sli4_parameters
);
8865 sli4_params
->cqv
= bf_get(cfg_cqv
, mbx_sli4_parameters
);
8866 sli4_params
->mqv
= bf_get(cfg_mqv
, mbx_sli4_parameters
);
8867 sli4_params
->wqv
= bf_get(cfg_wqv
, mbx_sli4_parameters
);
8868 sli4_params
->rqv
= bf_get(cfg_rqv
, mbx_sli4_parameters
);
8869 sli4_params
->sgl_pages_max
= bf_get(cfg_sgl_page_cnt
,
8870 mbx_sli4_parameters
);
8871 sli4_params
->sgl_pp_align
= bf_get(cfg_sgl_pp_align
,
8872 mbx_sli4_parameters
);
8873 phba
->sli4_hba
.extents_in_use
= bf_get(cfg_ext
, mbx_sli4_parameters
);
8874 phba
->sli4_hba
.rpi_hdrs_in_use
= bf_get(cfg_hdrr
, mbx_sli4_parameters
);
8876 /* Make sure that sge_supp_len can be handled by the driver */
8877 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
8878 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
8884 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
8885 * @pdev: pointer to PCI device
8886 * @pid: pointer to PCI device identifier
8888 * This routine is to be called to attach a device with SLI-3 interface spec
8889 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8890 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
8891 * information of the device and driver to see if the driver state that it can
8892 * support this kind of device. If the match is successful, the driver core
8893 * invokes this routine. If this routine determines it can claim the HBA, it
8894 * does all the initialization that it needs to do to handle the HBA properly.
8897 * 0 - driver can claim the device
8898 * negative value - driver can not claim the device
8901 lpfc_pci_probe_one_s3(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
8903 struct lpfc_hba
*phba
;
8904 struct lpfc_vport
*vport
= NULL
;
8905 struct Scsi_Host
*shost
= NULL
;
8907 uint32_t cfg_mode
, intr_mode
;
8909 /* Allocate memory for HBA structure */
8910 phba
= lpfc_hba_alloc(pdev
);
8914 /* Perform generic PCI device enabling operation */
8915 error
= lpfc_enable_pci_dev(phba
);
8919 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
8920 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_LP
);
8922 goto out_disable_pci_dev
;
8924 /* Set up SLI-3 specific device PCI memory space */
8925 error
= lpfc_sli_pci_mem_setup(phba
);
8927 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8928 "1402 Failed to set up pci memory space.\n");
8929 goto out_disable_pci_dev
;
8932 /* Set up phase-1 common device driver resources */
8933 error
= lpfc_setup_driver_resource_phase1(phba
);
8935 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8936 "1403 Failed to set up driver resource.\n");
8937 goto out_unset_pci_mem_s3
;
8940 /* Set up SLI-3 specific device driver resources */
8941 error
= lpfc_sli_driver_resource_setup(phba
);
8943 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8944 "1404 Failed to set up driver resource.\n");
8945 goto out_unset_pci_mem_s3
;
8948 /* Initialize and populate the iocb list per host */
8949 error
= lpfc_init_iocb_list(phba
, LPFC_IOCB_LIST_CNT
);
8951 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8952 "1405 Failed to initialize iocb list.\n");
8953 goto out_unset_driver_resource_s3
;
8956 /* Set up common device driver resources */
8957 error
= lpfc_setup_driver_resource_phase2(phba
);
8959 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8960 "1406 Failed to set up driver resource.\n");
8961 goto out_free_iocb_list
;
8964 /* Get the default values for Model Name and Description */
8965 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
8967 /* Create SCSI host to the physical port */
8968 error
= lpfc_create_shost(phba
);
8970 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8971 "1407 Failed to create scsi host.\n");
8972 goto out_unset_driver_resource
;
8975 /* Configure sysfs attributes */
8976 vport
= phba
->pport
;
8977 error
= lpfc_alloc_sysfs_attr(vport
);
8979 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8980 "1476 Failed to allocate sysfs attr\n");
8981 goto out_destroy_shost
;
8984 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
8985 /* Now, trying to enable interrupt and bring up the device */
8986 cfg_mode
= phba
->cfg_use_msi
;
8988 /* Put device to a known state before enabling interrupt */
8989 lpfc_stop_port(phba
);
8990 /* Configure and enable interrupt */
8991 intr_mode
= lpfc_sli_enable_intr(phba
, cfg_mode
);
8992 if (intr_mode
== LPFC_INTR_ERROR
) {
8993 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8994 "0431 Failed to enable interrupt.\n");
8996 goto out_free_sysfs_attr
;
8998 /* SLI-3 HBA setup */
8999 if (lpfc_sli_hba_setup(phba
)) {
9000 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9001 "1477 Failed to set up hba\n");
9003 goto out_remove_device
;
9006 /* Wait 50ms for the interrupts of previous mailbox commands */
9008 /* Check active interrupts on message signaled interrupts */
9009 if (intr_mode
== 0 ||
9010 phba
->sli
.slistat
.sli_intr
> LPFC_MSIX_VECTORS
) {
9011 /* Log the current active interrupt mode */
9012 phba
->intr_mode
= intr_mode
;
9013 lpfc_log_intr_mode(phba
, intr_mode
);
9016 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9017 "0447 Configure interrupt mode (%d) "
9018 "failed active interrupt test.\n",
9020 /* Disable the current interrupt mode */
9021 lpfc_sli_disable_intr(phba
);
9022 /* Try next level of interrupt mode */
9023 cfg_mode
= --intr_mode
;
9027 /* Perform post initialization setup */
9028 lpfc_post_init_setup(phba
);
9030 /* Check if there are static vports to be created. */
9031 lpfc_create_static_vport(phba
);
9036 lpfc_unset_hba(phba
);
9037 out_free_sysfs_attr
:
9038 lpfc_free_sysfs_attr(vport
);
9040 lpfc_destroy_shost(phba
);
9041 out_unset_driver_resource
:
9042 lpfc_unset_driver_resource_phase2(phba
);
9044 lpfc_free_iocb_list(phba
);
9045 out_unset_driver_resource_s3
:
9046 lpfc_sli_driver_resource_unset(phba
);
9047 out_unset_pci_mem_s3
:
9048 lpfc_sli_pci_mem_unset(phba
);
9049 out_disable_pci_dev
:
9050 lpfc_disable_pci_dev(phba
);
9052 scsi_host_put(shost
);
9054 lpfc_hba_free(phba
);
9059 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
9060 * @pdev: pointer to PCI device
9062 * This routine is to be called to disattach a device with SLI-3 interface
9063 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
9064 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9065 * device to be removed from the PCI subsystem properly.
9068 lpfc_pci_remove_one_s3(struct pci_dev
*pdev
)
9070 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9071 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
9072 struct lpfc_vport
**vports
;
9073 struct lpfc_hba
*phba
= vport
->phba
;
9075 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
9077 spin_lock_irq(&phba
->hbalock
);
9078 vport
->load_flag
|= FC_UNLOADING
;
9079 spin_unlock_irq(&phba
->hbalock
);
9081 lpfc_free_sysfs_attr(vport
);
9083 /* Release all the vports against this physical port */
9084 vports
= lpfc_create_vport_work_array(phba
);
9086 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
9087 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
9089 fc_vport_terminate(vports
[i
]->fc_vport
);
9091 lpfc_destroy_vport_work_array(phba
, vports
);
9093 /* Remove FC host and then SCSI host with the physical port */
9094 fc_remove_host(shost
);
9095 scsi_remove_host(shost
);
9096 lpfc_cleanup(vport
);
9099 * Bring down the SLI Layer. This step disable all interrupts,
9100 * clears the rings, discards all mailbox commands, and resets
9104 /* HBA interrupt will be disabled after this call */
9105 lpfc_sli_hba_down(phba
);
9106 /* Stop kthread signal shall trigger work_done one more time */
9107 kthread_stop(phba
->worker_thread
);
9108 /* Final cleanup of txcmplq and reset the HBA */
9109 lpfc_sli_brdrestart(phba
);
9111 kfree(phba
->vpi_bmask
);
9112 kfree(phba
->vpi_ids
);
9114 lpfc_stop_hba_timers(phba
);
9115 spin_lock_irq(&phba
->hbalock
);
9116 list_del_init(&vport
->listentry
);
9117 spin_unlock_irq(&phba
->hbalock
);
9119 lpfc_debugfs_terminate(vport
);
9121 /* Disable SR-IOV if enabled */
9122 if (phba
->cfg_sriov_nr_virtfn
)
9123 pci_disable_sriov(pdev
);
9125 /* Disable interrupt */
9126 lpfc_sli_disable_intr(phba
);
9128 pci_set_drvdata(pdev
, NULL
);
9129 scsi_host_put(shost
);
9132 * Call scsi_free before mem_free since scsi bufs are released to their
9133 * corresponding pools here.
9135 lpfc_scsi_free(phba
);
9136 lpfc_mem_free_all(phba
);
9138 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
9139 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
9141 /* Free resources associated with SLI2 interface */
9142 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
9143 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
9145 /* unmap adapter SLIM and Control Registers */
9146 iounmap(phba
->ctrl_regs_memmap_p
);
9147 iounmap(phba
->slim_memmap_p
);
9149 lpfc_hba_free(phba
);
9151 pci_release_selected_regions(pdev
, bars
);
9152 pci_disable_device(pdev
);
9156 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
9157 * @pdev: pointer to PCI device
9158 * @msg: power management message
9160 * This routine is to be called from the kernel's PCI subsystem to support
9161 * system Power Management (PM) to device with SLI-3 interface spec. When
9162 * PM invokes this method, it quiesces the device by stopping the driver's
9163 * worker thread for the device, turning off device's interrupt and DMA,
9164 * and bring the device offline. Note that as the driver implements the
9165 * minimum PM requirements to a power-aware driver's PM support for the
9166 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9167 * to the suspend() method call will be treated as SUSPEND and the driver will
9168 * fully reinitialize its device during resume() method call, the driver will
9169 * set device to PCI_D3hot state in PCI config space instead of setting it
9170 * according to the @msg provided by the PM.
9173 * 0 - driver suspended the device
9177 lpfc_pci_suspend_one_s3(struct pci_dev
*pdev
, pm_message_t msg
)
9179 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9180 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9182 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9183 "0473 PCI device Power Management suspend.\n");
9185 /* Bring down the device */
9186 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
9188 kthread_stop(phba
->worker_thread
);
9190 /* Disable interrupt from device */
9191 lpfc_sli_disable_intr(phba
);
9193 /* Save device state to PCI config space */
9194 pci_save_state(pdev
);
9195 pci_set_power_state(pdev
, PCI_D3hot
);
9201 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
9202 * @pdev: pointer to PCI device
9204 * This routine is to be called from the kernel's PCI subsystem to support
9205 * system Power Management (PM) to device with SLI-3 interface spec. When PM
9206 * invokes this method, it restores the device's PCI config space state and
9207 * fully reinitializes the device and brings it online. Note that as the
9208 * driver implements the minimum PM requirements to a power-aware driver's
9209 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
9210 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
9211 * driver will fully reinitialize its device during resume() method call,
9212 * the device will be set to PCI_D0 directly in PCI config space before
9213 * restoring the state.
9216 * 0 - driver suspended the device
9220 lpfc_pci_resume_one_s3(struct pci_dev
*pdev
)
9222 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9223 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9227 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9228 "0452 PCI device Power Management resume.\n");
9230 /* Restore device state from PCI config space */
9231 pci_set_power_state(pdev
, PCI_D0
);
9232 pci_restore_state(pdev
);
9235 * As the new kernel behavior of pci_restore_state() API call clears
9236 * device saved_state flag, need to save the restored state again.
9238 pci_save_state(pdev
);
9240 if (pdev
->is_busmaster
)
9241 pci_set_master(pdev
);
9243 /* Startup the kernel thread for this host adapter. */
9244 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
9245 "lpfc_worker_%d", phba
->brd_no
);
9246 if (IS_ERR(phba
->worker_thread
)) {
9247 error
= PTR_ERR(phba
->worker_thread
);
9248 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9249 "0434 PM resume failed to start worker "
9250 "thread: error=x%x.\n", error
);
9254 /* Configure and enable interrupt */
9255 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
9256 if (intr_mode
== LPFC_INTR_ERROR
) {
9257 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9258 "0430 PM resume Failed to enable interrupt\n");
9261 phba
->intr_mode
= intr_mode
;
9263 /* Restart HBA and bring it online */
9264 lpfc_sli_brdrestart(phba
);
9267 /* Log the current active interrupt mode */
9268 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9274 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
9275 * @phba: pointer to lpfc hba data structure.
9277 * This routine is called to prepare the SLI3 device for PCI slot recover. It
9278 * aborts all the outstanding SCSI I/Os to the pci device.
9281 lpfc_sli_prep_dev_for_recover(struct lpfc_hba
*phba
)
9283 struct lpfc_sli
*psli
= &phba
->sli
;
9284 struct lpfc_sli_ring
*pring
;
9286 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9287 "2723 PCI channel I/O abort preparing for recovery\n");
9290 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9291 * and let the SCSI mid-layer to retry them to recover.
9293 pring
= &psli
->ring
[psli
->fcp_ring
];
9294 lpfc_sli_abort_iocb_ring(phba
, pring
);
9298 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
9299 * @phba: pointer to lpfc hba data structure.
9301 * This routine is called to prepare the SLI3 device for PCI slot reset. It
9302 * disables the device interrupt and pci device, and aborts the internal FCP
9306 lpfc_sli_prep_dev_for_reset(struct lpfc_hba
*phba
)
9308 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9309 "2710 PCI channel disable preparing for reset\n");
9311 /* Block any management I/Os to the device */
9312 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
9314 /* Block all SCSI devices' I/Os on the host */
9315 lpfc_scsi_dev_block(phba
);
9317 /* stop all timers */
9318 lpfc_stop_hba_timers(phba
);
9320 /* Disable interrupt and pci device */
9321 lpfc_sli_disable_intr(phba
);
9322 pci_disable_device(phba
->pcidev
);
9324 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9325 lpfc_sli_flush_fcp_rings(phba
);
9329 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
9330 * @phba: pointer to lpfc hba data structure.
9332 * This routine is called to prepare the SLI3 device for PCI slot permanently
9333 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9337 lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
9339 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9340 "2711 PCI channel permanent disable for failure\n");
9341 /* Block all SCSI devices' I/Os on the host */
9342 lpfc_scsi_dev_block(phba
);
9344 /* stop all timers */
9345 lpfc_stop_hba_timers(phba
);
9347 /* Clean up all driver's outstanding SCSI I/Os */
9348 lpfc_sli_flush_fcp_rings(phba
);
9352 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
9353 * @pdev: pointer to PCI device.
9354 * @state: the current PCI connection state.
9356 * This routine is called from the PCI subsystem for I/O error handling to
9357 * device with SLI-3 interface spec. This function is called by the PCI
9358 * subsystem after a PCI bus error affecting this device has been detected.
9359 * When this function is invoked, it will need to stop all the I/Os and
9360 * interrupt(s) to the device. Once that is done, it will return
9361 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
9365 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
9366 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9367 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9369 static pci_ers_result_t
9370 lpfc_io_error_detected_s3(struct pci_dev
*pdev
, pci_channel_state_t state
)
9372 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9373 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9376 case pci_channel_io_normal
:
9377 /* Non-fatal error, prepare for recovery */
9378 lpfc_sli_prep_dev_for_recover(phba
);
9379 return PCI_ERS_RESULT_CAN_RECOVER
;
9380 case pci_channel_io_frozen
:
9381 /* Fatal error, prepare for slot reset */
9382 lpfc_sli_prep_dev_for_reset(phba
);
9383 return PCI_ERS_RESULT_NEED_RESET
;
9384 case pci_channel_io_perm_failure
:
9385 /* Permanent failure, prepare for device down */
9386 lpfc_sli_prep_dev_for_perm_failure(phba
);
9387 return PCI_ERS_RESULT_DISCONNECT
;
9389 /* Unknown state, prepare and request slot reset */
9390 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9391 "0472 Unknown PCI error state: x%x\n", state
);
9392 lpfc_sli_prep_dev_for_reset(phba
);
9393 return PCI_ERS_RESULT_NEED_RESET
;
9398 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
9399 * @pdev: pointer to PCI device.
9401 * This routine is called from the PCI subsystem for error handling to
9402 * device with SLI-3 interface spec. This is called after PCI bus has been
9403 * reset to restart the PCI card from scratch, as if from a cold-boot.
9404 * During the PCI subsystem error recovery, after driver returns
9405 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
9406 * recovery and then call this routine before calling the .resume method
9407 * to recover the device. This function will initialize the HBA device,
9408 * enable the interrupt, but it will just put the HBA to offline state
9409 * without passing any I/O traffic.
9412 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9413 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9415 static pci_ers_result_t
9416 lpfc_io_slot_reset_s3(struct pci_dev
*pdev
)
9418 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9419 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9420 struct lpfc_sli
*psli
= &phba
->sli
;
9423 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
9424 if (pci_enable_device_mem(pdev
)) {
9425 printk(KERN_ERR
"lpfc: Cannot re-enable "
9426 "PCI device after reset.\n");
9427 return PCI_ERS_RESULT_DISCONNECT
;
9430 pci_restore_state(pdev
);
9433 * As the new kernel behavior of pci_restore_state() API call clears
9434 * device saved_state flag, need to save the restored state again.
9436 pci_save_state(pdev
);
9438 if (pdev
->is_busmaster
)
9439 pci_set_master(pdev
);
9441 spin_lock_irq(&phba
->hbalock
);
9442 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
9443 spin_unlock_irq(&phba
->hbalock
);
9445 /* Configure and enable interrupt */
9446 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
9447 if (intr_mode
== LPFC_INTR_ERROR
) {
9448 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9449 "0427 Cannot re-enable interrupt after "
9451 return PCI_ERS_RESULT_DISCONNECT
;
9453 phba
->intr_mode
= intr_mode
;
9455 /* Take device offline, it will perform cleanup */
9456 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
9458 lpfc_sli_brdrestart(phba
);
9460 /* Log the current active interrupt mode */
9461 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9463 return PCI_ERS_RESULT_RECOVERED
;
9467 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
9468 * @pdev: pointer to PCI device
9470 * This routine is called from the PCI subsystem for error handling to device
9471 * with SLI-3 interface spec. It is called when kernel error recovery tells
9472 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
9473 * error recovery. After this call, traffic can start to flow from this device
9477 lpfc_io_resume_s3(struct pci_dev
*pdev
)
9479 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9480 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9482 /* Bring device online, it will be no-op for non-fatal error resume */
9485 /* Clean up Advanced Error Reporting (AER) if needed */
9486 if (phba
->hba_flag
& HBA_AER_ENABLED
)
9487 pci_cleanup_aer_uncorrect_error_status(pdev
);
9491 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
9492 * @phba: pointer to lpfc hba data structure.
9494 * returns the number of ELS/CT IOCBs to reserve
9497 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*phba
)
9499 int max_xri
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
9501 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
9504 else if (max_xri
<= 256)
9506 else if (max_xri
<= 512)
9508 else if (max_xri
<= 1024)
9510 else if (max_xri
<= 1536)
9512 else if (max_xri
<= 2048)
9521 * lpfc_write_firmware - attempt to write a firmware image to the port
9522 * @fw: pointer to firmware image returned from request_firmware.
9523 * @phba: pointer to lpfc hba data structure.
9527 lpfc_write_firmware(const struct firmware
*fw
, void *context
)
9529 struct lpfc_hba
*phba
= (struct lpfc_hba
*)context
;
9530 char fwrev
[FW_REV_STR_SIZE
];
9531 struct lpfc_grp_hdr
*image
;
9532 struct list_head dma_buffer_list
;
9534 struct lpfc_dmabuf
*dmabuf
, *next
;
9535 uint32_t offset
= 0, temp_offset
= 0;
9537 /* It can be null in no-wait mode, sanity check */
9542 image
= (struct lpfc_grp_hdr
*)fw
->data
;
9544 INIT_LIST_HEAD(&dma_buffer_list
);
9545 if ((be32_to_cpu(image
->magic_number
) != LPFC_GROUP_OJECT_MAGIC_NUM
) ||
9546 (bf_get_be32(lpfc_grp_hdr_file_type
, image
) !=
9547 LPFC_FILE_TYPE_GROUP
) ||
9548 (bf_get_be32(lpfc_grp_hdr_id
, image
) != LPFC_FILE_ID_GROUP
) ||
9549 (be32_to_cpu(image
->size
) != fw
->size
)) {
9550 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9551 "3022 Invalid FW image found. "
9552 "Magic:%x Type:%x ID:%x\n",
9553 be32_to_cpu(image
->magic_number
),
9554 bf_get_be32(lpfc_grp_hdr_file_type
, image
),
9555 bf_get_be32(lpfc_grp_hdr_id
, image
));
9559 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
9560 if (strncmp(fwrev
, image
->revision
, strnlen(image
->revision
, 16))) {
9561 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9562 "3023 Updating Firmware, Current Version:%s "
9564 fwrev
, image
->revision
);
9565 for (i
= 0; i
< LPFC_MBX_WR_CONFIG_MAX_BDE
; i
++) {
9566 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
),
9572 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
9576 if (!dmabuf
->virt
) {
9581 list_add_tail(&dmabuf
->list
, &dma_buffer_list
);
9583 while (offset
< fw
->size
) {
9584 temp_offset
= offset
;
9585 list_for_each_entry(dmabuf
, &dma_buffer_list
, list
) {
9586 if (temp_offset
+ SLI4_PAGE_SIZE
> fw
->size
) {
9587 memcpy(dmabuf
->virt
,
9588 fw
->data
+ temp_offset
,
9589 fw
->size
- temp_offset
);
9590 temp_offset
= fw
->size
;
9593 memcpy(dmabuf
->virt
, fw
->data
+ temp_offset
,
9595 temp_offset
+= SLI4_PAGE_SIZE
;
9597 rc
= lpfc_wr_object(phba
, &dma_buffer_list
,
9598 (fw
->size
- offset
), &offset
);
9606 list_for_each_entry_safe(dmabuf
, next
, &dma_buffer_list
, list
) {
9607 list_del(&dmabuf
->list
);
9608 dma_free_coherent(&phba
->pcidev
->dev
, SLI4_PAGE_SIZE
,
9609 dmabuf
->virt
, dmabuf
->phys
);
9612 release_firmware(fw
);
9614 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9615 "3024 Firmware update done: %d.\n", rc
);
9620 * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade
9621 * @phba: pointer to lpfc hba data structure.
9623 * This routine is called to perform Linux generic firmware upgrade on device
9624 * that supports such feature.
9627 lpfc_sli4_request_firmware_update(struct lpfc_hba
*phba
, uint8_t fw_upgrade
)
9629 uint8_t file_name
[ELX_MODEL_NAME_SIZE
];
9631 const struct firmware
*fw
;
9633 /* Only supported on SLI4 interface type 2 for now */
9634 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
9635 LPFC_SLI_INTF_IF_TYPE_2
)
9638 snprintf(file_name
, ELX_MODEL_NAME_SIZE
, "%s.grp", phba
->ModelName
);
9640 if (fw_upgrade
== INT_FW_UPGRADE
) {
9641 ret
= request_firmware_nowait(THIS_MODULE
, FW_ACTION_HOTPLUG
,
9642 file_name
, &phba
->pcidev
->dev
,
9643 GFP_KERNEL
, (void *)phba
,
9644 lpfc_write_firmware
);
9645 } else if (fw_upgrade
== RUN_FW_UPGRADE
) {
9646 ret
= request_firmware(&fw
, file_name
, &phba
->pcidev
->dev
);
9648 lpfc_write_firmware(fw
, (void *)phba
);
9657 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
9658 * @pdev: pointer to PCI device
9659 * @pid: pointer to PCI device identifier
9661 * This routine is called from the kernel's PCI subsystem to device with
9662 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
9663 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
9664 * information of the device and driver to see if the driver state that it
9665 * can support this kind of device. If the match is successful, the driver
9666 * core invokes this routine. If this routine determines it can claim the HBA,
9667 * it does all the initialization that it needs to do to handle the HBA
9671 * 0 - driver can claim the device
9672 * negative value - driver can not claim the device
9675 lpfc_pci_probe_one_s4(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
9677 struct lpfc_hba
*phba
;
9678 struct lpfc_vport
*vport
= NULL
;
9679 struct Scsi_Host
*shost
= NULL
;
9681 uint32_t cfg_mode
, intr_mode
;
9682 int adjusted_fcp_io_channel
;
9684 /* Allocate memory for HBA structure */
9685 phba
= lpfc_hba_alloc(pdev
);
9689 /* Perform generic PCI device enabling operation */
9690 error
= lpfc_enable_pci_dev(phba
);
9694 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
9695 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_OC
);
9697 goto out_disable_pci_dev
;
9699 /* Set up SLI-4 specific device PCI memory space */
9700 error
= lpfc_sli4_pci_mem_setup(phba
);
9702 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9703 "1410 Failed to set up pci memory space.\n");
9704 goto out_disable_pci_dev
;
9707 /* Set up phase-1 common device driver resources */
9708 error
= lpfc_setup_driver_resource_phase1(phba
);
9710 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9711 "1411 Failed to set up driver resource.\n");
9712 goto out_unset_pci_mem_s4
;
9715 /* Set up SLI-4 Specific device driver resources */
9716 error
= lpfc_sli4_driver_resource_setup(phba
);
9718 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9719 "1412 Failed to set up driver resource.\n");
9720 goto out_unset_pci_mem_s4
;
9723 /* Initialize and populate the iocb list per host */
9725 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9726 "2821 initialize iocb list %d.\n",
9727 phba
->cfg_iocb_cnt
*1024);
9728 error
= lpfc_init_iocb_list(phba
, phba
->cfg_iocb_cnt
*1024);
9731 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9732 "1413 Failed to initialize iocb list.\n");
9733 goto out_unset_driver_resource_s4
;
9736 INIT_LIST_HEAD(&phba
->active_rrq_list
);
9737 INIT_LIST_HEAD(&phba
->fcf
.fcf_pri_list
);
9739 /* Set up common device driver resources */
9740 error
= lpfc_setup_driver_resource_phase2(phba
);
9742 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9743 "1414 Failed to set up driver resource.\n");
9744 goto out_free_iocb_list
;
9747 /* Get the default values for Model Name and Description */
9748 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
9750 /* Create SCSI host to the physical port */
9751 error
= lpfc_create_shost(phba
);
9753 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9754 "1415 Failed to create scsi host.\n");
9755 goto out_unset_driver_resource
;
9758 /* Configure sysfs attributes */
9759 vport
= phba
->pport
;
9760 error
= lpfc_alloc_sysfs_attr(vport
);
9762 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9763 "1416 Failed to allocate sysfs attr\n");
9764 goto out_destroy_shost
;
9767 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
9768 /* Now, trying to enable interrupt and bring up the device */
9769 cfg_mode
= phba
->cfg_use_msi
;
9771 /* Put device to a known state before enabling interrupt */
9772 lpfc_stop_port(phba
);
9773 /* Configure and enable interrupt */
9774 intr_mode
= lpfc_sli4_enable_intr(phba
, cfg_mode
);
9775 if (intr_mode
== LPFC_INTR_ERROR
) {
9776 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9777 "0426 Failed to enable interrupt.\n");
9779 goto out_free_sysfs_attr
;
9781 /* Default to single EQ for non-MSI-X */
9782 if (phba
->intr_type
!= MSIX
)
9783 adjusted_fcp_io_channel
= 1;
9785 adjusted_fcp_io_channel
= phba
->cfg_fcp_io_channel
;
9786 phba
->cfg_fcp_io_channel
= adjusted_fcp_io_channel
;
9787 /* Set up SLI-4 HBA */
9788 if (lpfc_sli4_hba_setup(phba
)) {
9789 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9790 "1421 Failed to set up hba\n");
9792 goto out_disable_intr
;
9795 /* Log the current active interrupt mode */
9796 phba
->intr_mode
= intr_mode
;
9797 lpfc_log_intr_mode(phba
, intr_mode
);
9799 /* Perform post initialization setup */
9800 lpfc_post_init_setup(phba
);
9802 /* check for firmware upgrade or downgrade */
9803 if (phba
->cfg_request_firmware_upgrade
)
9804 ret
= lpfc_sli4_request_firmware_update(phba
, INT_FW_UPGRADE
);
9806 /* Check if there are static vports to be created. */
9807 lpfc_create_static_vport(phba
);
9811 lpfc_sli4_disable_intr(phba
);
9812 out_free_sysfs_attr
:
9813 lpfc_free_sysfs_attr(vport
);
9815 lpfc_destroy_shost(phba
);
9816 out_unset_driver_resource
:
9817 lpfc_unset_driver_resource_phase2(phba
);
9819 lpfc_free_iocb_list(phba
);
9820 out_unset_driver_resource_s4
:
9821 lpfc_sli4_driver_resource_unset(phba
);
9822 out_unset_pci_mem_s4
:
9823 lpfc_sli4_pci_mem_unset(phba
);
9824 out_disable_pci_dev
:
9825 lpfc_disable_pci_dev(phba
);
9827 scsi_host_put(shost
);
9829 lpfc_hba_free(phba
);
9834 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
9835 * @pdev: pointer to PCI device
9837 * This routine is called from the kernel's PCI subsystem to device with
9838 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
9839 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9840 * device to be removed from the PCI subsystem properly.
9843 lpfc_pci_remove_one_s4(struct pci_dev
*pdev
)
9845 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9846 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
9847 struct lpfc_vport
**vports
;
9848 struct lpfc_hba
*phba
= vport
->phba
;
9851 /* Mark the device unloading flag */
9852 spin_lock_irq(&phba
->hbalock
);
9853 vport
->load_flag
|= FC_UNLOADING
;
9854 spin_unlock_irq(&phba
->hbalock
);
9856 /* Free the HBA sysfs attributes */
9857 lpfc_free_sysfs_attr(vport
);
9859 /* Release all the vports against this physical port */
9860 vports
= lpfc_create_vport_work_array(phba
);
9862 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
9863 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
9865 fc_vport_terminate(vports
[i
]->fc_vport
);
9867 lpfc_destroy_vport_work_array(phba
, vports
);
9869 /* Remove FC host and then SCSI host with the physical port */
9870 fc_remove_host(shost
);
9871 scsi_remove_host(shost
);
9873 /* Perform cleanup on the physical port */
9874 lpfc_cleanup(vport
);
9877 * Bring down the SLI Layer. This step disables all interrupts,
9878 * clears the rings, discards all mailbox commands, and resets
9879 * the HBA FCoE function.
9881 lpfc_debugfs_terminate(vport
);
9882 lpfc_sli4_hba_unset(phba
);
9884 spin_lock_irq(&phba
->hbalock
);
9885 list_del_init(&vport
->listentry
);
9886 spin_unlock_irq(&phba
->hbalock
);
9888 /* Perform scsi free before driver resource_unset since scsi
9889 * buffers are released to their corresponding pools here.
9891 lpfc_scsi_free(phba
);
9893 lpfc_sli4_driver_resource_unset(phba
);
9895 /* Unmap adapter Control and Doorbell registers */
9896 lpfc_sli4_pci_mem_unset(phba
);
9898 /* Release PCI resources and disable device's PCI function */
9899 scsi_host_put(shost
);
9900 lpfc_disable_pci_dev(phba
);
9902 /* Finally, free the driver's device data structure */
9903 lpfc_hba_free(phba
);
9909 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
9910 * @pdev: pointer to PCI device
9911 * @msg: power management message
9913 * This routine is called from the kernel's PCI subsystem to support system
9914 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
9915 * this method, it quiesces the device by stopping the driver's worker
9916 * thread for the device, turning off device's interrupt and DMA, and bring
9917 * the device offline. Note that as the driver implements the minimum PM
9918 * requirements to a power-aware driver's PM support for suspend/resume -- all
9919 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
9920 * method call will be treated as SUSPEND and the driver will fully
9921 * reinitialize its device during resume() method call, the driver will set
9922 * device to PCI_D3hot state in PCI config space instead of setting it
9923 * according to the @msg provided by the PM.
9926 * 0 - driver suspended the device
9930 lpfc_pci_suspend_one_s4(struct pci_dev
*pdev
, pm_message_t msg
)
9932 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9933 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9935 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9936 "2843 PCI device Power Management suspend.\n");
9938 /* Bring down the device */
9939 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
9941 kthread_stop(phba
->worker_thread
);
9943 /* Disable interrupt from device */
9944 lpfc_sli4_disable_intr(phba
);
9945 lpfc_sli4_queue_destroy(phba
);
9947 /* Save device state to PCI config space */
9948 pci_save_state(pdev
);
9949 pci_set_power_state(pdev
, PCI_D3hot
);
9955 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
9956 * @pdev: pointer to PCI device
9958 * This routine is called from the kernel's PCI subsystem to support system
9959 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
9960 * this method, it restores the device's PCI config space state and fully
9961 * reinitializes the device and brings it online. Note that as the driver
9962 * implements the minimum PM requirements to a power-aware driver's PM for
9963 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9964 * to the suspend() method call will be treated as SUSPEND and the driver
9965 * will fully reinitialize its device during resume() method call, the device
9966 * will be set to PCI_D0 directly in PCI config space before restoring the
9970 * 0 - driver suspended the device
9974 lpfc_pci_resume_one_s4(struct pci_dev
*pdev
)
9976 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9977 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9981 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9982 "0292 PCI device Power Management resume.\n");
9984 /* Restore device state from PCI config space */
9985 pci_set_power_state(pdev
, PCI_D0
);
9986 pci_restore_state(pdev
);
9989 * As the new kernel behavior of pci_restore_state() API call clears
9990 * device saved_state flag, need to save the restored state again.
9992 pci_save_state(pdev
);
9994 if (pdev
->is_busmaster
)
9995 pci_set_master(pdev
);
9997 /* Startup the kernel thread for this host adapter. */
9998 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
9999 "lpfc_worker_%d", phba
->brd_no
);
10000 if (IS_ERR(phba
->worker_thread
)) {
10001 error
= PTR_ERR(phba
->worker_thread
);
10002 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10003 "0293 PM resume failed to start worker "
10004 "thread: error=x%x.\n", error
);
10008 /* Configure and enable interrupt */
10009 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
10010 if (intr_mode
== LPFC_INTR_ERROR
) {
10011 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10012 "0294 PM resume Failed to enable interrupt\n");
10015 phba
->intr_mode
= intr_mode
;
10017 /* Restart HBA and bring it online */
10018 lpfc_sli_brdrestart(phba
);
10021 /* Log the current active interrupt mode */
10022 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
10028 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
10029 * @phba: pointer to lpfc hba data structure.
10031 * This routine is called to prepare the SLI4 device for PCI slot recover. It
10032 * aborts all the outstanding SCSI I/Os to the pci device.
10035 lpfc_sli4_prep_dev_for_recover(struct lpfc_hba
*phba
)
10037 struct lpfc_sli
*psli
= &phba
->sli
;
10038 struct lpfc_sli_ring
*pring
;
10040 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10041 "2828 PCI channel I/O abort preparing for recovery\n");
10043 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
10044 * and let the SCSI mid-layer to retry them to recover.
10046 pring
= &psli
->ring
[psli
->fcp_ring
];
10047 lpfc_sli_abort_iocb_ring(phba
, pring
);
10051 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
10052 * @phba: pointer to lpfc hba data structure.
10054 * This routine is called to prepare the SLI4 device for PCI slot reset. It
10055 * disables the device interrupt and pci device, and aborts the internal FCP
10059 lpfc_sli4_prep_dev_for_reset(struct lpfc_hba
*phba
)
10061 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10062 "2826 PCI channel disable preparing for reset\n");
10064 /* Block any management I/Os to the device */
10065 lpfc_block_mgmt_io(phba
, LPFC_MBX_NO_WAIT
);
10067 /* Block all SCSI devices' I/Os on the host */
10068 lpfc_scsi_dev_block(phba
);
10070 /* stop all timers */
10071 lpfc_stop_hba_timers(phba
);
10073 /* Disable interrupt and pci device */
10074 lpfc_sli4_disable_intr(phba
);
10075 lpfc_sli4_queue_destroy(phba
);
10076 pci_disable_device(phba
->pcidev
);
10078 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
10079 lpfc_sli_flush_fcp_rings(phba
);
10083 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
10084 * @phba: pointer to lpfc hba data structure.
10086 * This routine is called to prepare the SLI4 device for PCI slot permanently
10087 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
10091 lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
10093 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10094 "2827 PCI channel permanent disable for failure\n");
10096 /* Block all SCSI devices' I/Os on the host */
10097 lpfc_scsi_dev_block(phba
);
10099 /* stop all timers */
10100 lpfc_stop_hba_timers(phba
);
10102 /* Clean up all driver's outstanding SCSI I/Os */
10103 lpfc_sli_flush_fcp_rings(phba
);
10107 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
10108 * @pdev: pointer to PCI device.
10109 * @state: the current PCI connection state.
10111 * This routine is called from the PCI subsystem for error handling to device
10112 * with SLI-4 interface spec. This function is called by the PCI subsystem
10113 * after a PCI bus error affecting this device has been detected. When this
10114 * function is invoked, it will need to stop all the I/Os and interrupt(s)
10115 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
10116 * for the PCI subsystem to perform proper recovery as desired.
10119 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10120 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10122 static pci_ers_result_t
10123 lpfc_io_error_detected_s4(struct pci_dev
*pdev
, pci_channel_state_t state
)
10125 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10126 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10129 case pci_channel_io_normal
:
10130 /* Non-fatal error, prepare for recovery */
10131 lpfc_sli4_prep_dev_for_recover(phba
);
10132 return PCI_ERS_RESULT_CAN_RECOVER
;
10133 case pci_channel_io_frozen
:
10134 /* Fatal error, prepare for slot reset */
10135 lpfc_sli4_prep_dev_for_reset(phba
);
10136 return PCI_ERS_RESULT_NEED_RESET
;
10137 case pci_channel_io_perm_failure
:
10138 /* Permanent failure, prepare for device down */
10139 lpfc_sli4_prep_dev_for_perm_failure(phba
);
10140 return PCI_ERS_RESULT_DISCONNECT
;
10142 /* Unknown state, prepare and request slot reset */
10143 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10144 "2825 Unknown PCI error state: x%x\n", state
);
10145 lpfc_sli4_prep_dev_for_reset(phba
);
10146 return PCI_ERS_RESULT_NEED_RESET
;
10151 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
10152 * @pdev: pointer to PCI device.
10154 * This routine is called from the PCI subsystem for error handling to device
10155 * with SLI-4 interface spec. It is called after PCI bus has been reset to
10156 * restart the PCI card from scratch, as if from a cold-boot. During the
10157 * PCI subsystem error recovery, after the driver returns
10158 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
10159 * recovery and then call this routine before calling the .resume method to
10160 * recover the device. This function will initialize the HBA device, enable
10161 * the interrupt, but it will just put the HBA to offline state without
10162 * passing any I/O traffic.
10165 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10166 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10168 static pci_ers_result_t
10169 lpfc_io_slot_reset_s4(struct pci_dev
*pdev
)
10171 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10172 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10173 struct lpfc_sli
*psli
= &phba
->sli
;
10174 uint32_t intr_mode
;
10176 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
10177 if (pci_enable_device_mem(pdev
)) {
10178 printk(KERN_ERR
"lpfc: Cannot re-enable "
10179 "PCI device after reset.\n");
10180 return PCI_ERS_RESULT_DISCONNECT
;
10183 pci_restore_state(pdev
);
10186 * As the new kernel behavior of pci_restore_state() API call clears
10187 * device saved_state flag, need to save the restored state again.
10189 pci_save_state(pdev
);
10191 if (pdev
->is_busmaster
)
10192 pci_set_master(pdev
);
10194 spin_lock_irq(&phba
->hbalock
);
10195 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
10196 spin_unlock_irq(&phba
->hbalock
);
10198 /* Configure and enable interrupt */
10199 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
10200 if (intr_mode
== LPFC_INTR_ERROR
) {
10201 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10202 "2824 Cannot re-enable interrupt after "
10204 return PCI_ERS_RESULT_DISCONNECT
;
10206 phba
->intr_mode
= intr_mode
;
10208 /* Log the current active interrupt mode */
10209 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
10211 return PCI_ERS_RESULT_RECOVERED
;
10215 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
10216 * @pdev: pointer to PCI device
10218 * This routine is called from the PCI subsystem for error handling to device
10219 * with SLI-4 interface spec. It is called when kernel error recovery tells
10220 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
10221 * error recovery. After this call, traffic can start to flow from this device
10225 lpfc_io_resume_s4(struct pci_dev
*pdev
)
10227 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10228 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10231 * In case of slot reset, as function reset is performed through
10232 * mailbox command which needs DMA to be enabled, this operation
10233 * has to be moved to the io resume phase. Taking device offline
10234 * will perform the necessary cleanup.
10236 if (!(phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)) {
10237 /* Perform device reset */
10238 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
10239 lpfc_offline(phba
);
10240 lpfc_sli_brdrestart(phba
);
10241 /* Bring the device back online */
10245 /* Clean up Advanced Error Reporting (AER) if needed */
10246 if (phba
->hba_flag
& HBA_AER_ENABLED
)
10247 pci_cleanup_aer_uncorrect_error_status(pdev
);
10251 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
10252 * @pdev: pointer to PCI device
10253 * @pid: pointer to PCI device identifier
10255 * This routine is to be registered to the kernel's PCI subsystem. When an
10256 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
10257 * at PCI device-specific information of the device and driver to see if the
10258 * driver state that it can support this kind of device. If the match is
10259 * successful, the driver core invokes this routine. This routine dispatches
10260 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
10261 * do all the initialization that it needs to do to handle the HBA device
10265 * 0 - driver can claim the device
10266 * negative value - driver can not claim the device
10269 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
10272 struct lpfc_sli_intf intf
;
10274 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
, &intf
.word0
))
10277 if ((bf_get(lpfc_sli_intf_valid
, &intf
) == LPFC_SLI_INTF_VALID
) &&
10278 (bf_get(lpfc_sli_intf_slirev
, &intf
) == LPFC_SLI_INTF_REV_SLI4
))
10279 rc
= lpfc_pci_probe_one_s4(pdev
, pid
);
10281 rc
= lpfc_pci_probe_one_s3(pdev
, pid
);
10287 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
10288 * @pdev: pointer to PCI device
10290 * This routine is to be registered to the kernel's PCI subsystem. When an
10291 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
10292 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
10293 * remove routine, which will perform all the necessary cleanup for the
10294 * device to be removed from the PCI subsystem properly.
10297 lpfc_pci_remove_one(struct pci_dev
*pdev
)
10299 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10300 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10302 switch (phba
->pci_dev_grp
) {
10303 case LPFC_PCI_DEV_LP
:
10304 lpfc_pci_remove_one_s3(pdev
);
10306 case LPFC_PCI_DEV_OC
:
10307 lpfc_pci_remove_one_s4(pdev
);
10310 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10311 "1424 Invalid PCI device group: 0x%x\n",
10312 phba
->pci_dev_grp
);
10319 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
10320 * @pdev: pointer to PCI device
10321 * @msg: power management message
10323 * This routine is to be registered to the kernel's PCI subsystem to support
10324 * system Power Management (PM). When PM invokes this method, it dispatches
10325 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
10326 * suspend the device.
10329 * 0 - driver suspended the device
10333 lpfc_pci_suspend_one(struct pci_dev
*pdev
, pm_message_t msg
)
10335 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10336 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10339 switch (phba
->pci_dev_grp
) {
10340 case LPFC_PCI_DEV_LP
:
10341 rc
= lpfc_pci_suspend_one_s3(pdev
, msg
);
10343 case LPFC_PCI_DEV_OC
:
10344 rc
= lpfc_pci_suspend_one_s4(pdev
, msg
);
10347 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10348 "1425 Invalid PCI device group: 0x%x\n",
10349 phba
->pci_dev_grp
);
10356 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
10357 * @pdev: pointer to PCI device
10359 * This routine is to be registered to the kernel's PCI subsystem to support
10360 * system Power Management (PM). When PM invokes this method, it dispatches
10361 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
10362 * resume the device.
10365 * 0 - driver suspended the device
10369 lpfc_pci_resume_one(struct pci_dev
*pdev
)
10371 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10372 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10375 switch (phba
->pci_dev_grp
) {
10376 case LPFC_PCI_DEV_LP
:
10377 rc
= lpfc_pci_resume_one_s3(pdev
);
10379 case LPFC_PCI_DEV_OC
:
10380 rc
= lpfc_pci_resume_one_s4(pdev
);
10383 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10384 "1426 Invalid PCI device group: 0x%x\n",
10385 phba
->pci_dev_grp
);
10392 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
10393 * @pdev: pointer to PCI device.
10394 * @state: the current PCI connection state.
10396 * This routine is registered to the PCI subsystem for error handling. This
10397 * function is called by the PCI subsystem after a PCI bus error affecting
10398 * this device has been detected. When this routine is invoked, it dispatches
10399 * the action to the proper SLI-3 or SLI-4 device error detected handling
10400 * routine, which will perform the proper error detected operation.
10403 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10404 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10406 static pci_ers_result_t
10407 lpfc_io_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
10409 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10410 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10411 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
10413 switch (phba
->pci_dev_grp
) {
10414 case LPFC_PCI_DEV_LP
:
10415 rc
= lpfc_io_error_detected_s3(pdev
, state
);
10417 case LPFC_PCI_DEV_OC
:
10418 rc
= lpfc_io_error_detected_s4(pdev
, state
);
10421 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10422 "1427 Invalid PCI device group: 0x%x\n",
10423 phba
->pci_dev_grp
);
10430 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
10431 * @pdev: pointer to PCI device.
10433 * This routine is registered to the PCI subsystem for error handling. This
10434 * function is called after PCI bus has been reset to restart the PCI card
10435 * from scratch, as if from a cold-boot. When this routine is invoked, it
10436 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
10437 * routine, which will perform the proper device reset.
10440 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10441 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10443 static pci_ers_result_t
10444 lpfc_io_slot_reset(struct pci_dev
*pdev
)
10446 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10447 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10448 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
10450 switch (phba
->pci_dev_grp
) {
10451 case LPFC_PCI_DEV_LP
:
10452 rc
= lpfc_io_slot_reset_s3(pdev
);
10454 case LPFC_PCI_DEV_OC
:
10455 rc
= lpfc_io_slot_reset_s4(pdev
);
10458 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10459 "1428 Invalid PCI device group: 0x%x\n",
10460 phba
->pci_dev_grp
);
10467 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
10468 * @pdev: pointer to PCI device
10470 * This routine is registered to the PCI subsystem for error handling. It
10471 * is called when kernel error recovery tells the lpfc driver that it is
10472 * OK to resume normal PCI operation after PCI bus error recovery. When
10473 * this routine is invoked, it dispatches the action to the proper SLI-3
10474 * or SLI-4 device io_resume routine, which will resume the device operation.
10477 lpfc_io_resume(struct pci_dev
*pdev
)
10479 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10480 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10482 switch (phba
->pci_dev_grp
) {
10483 case LPFC_PCI_DEV_LP
:
10484 lpfc_io_resume_s3(pdev
);
10486 case LPFC_PCI_DEV_OC
:
10487 lpfc_io_resume_s4(pdev
);
10490 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10491 "1429 Invalid PCI device group: 0x%x\n",
10492 phba
->pci_dev_grp
);
10499 * lpfc_mgmt_open - method called when 'lpfcmgmt' is opened from userspace
10500 * @inode: pointer to the inode representing the lpfcmgmt device
10501 * @filep: pointer to the file representing the open lpfcmgmt device
10503 * This routine puts a reference count on the lpfc module whenever the
10504 * character device is opened
10507 lpfc_mgmt_open(struct inode
*inode
, struct file
*filep
)
10509 try_module_get(THIS_MODULE
);
10514 * lpfc_mgmt_release - method called when 'lpfcmgmt' is closed in userspace
10515 * @inode: pointer to the inode representing the lpfcmgmt device
10516 * @filep: pointer to the file representing the open lpfcmgmt device
10518 * This routine removes a reference count from the lpfc module when the
10519 * character device is closed
10522 lpfc_mgmt_release(struct inode
*inode
, struct file
*filep
)
10524 module_put(THIS_MODULE
);
10528 static struct pci_device_id lpfc_id_table
[] = {
10529 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
10530 PCI_ANY_ID
, PCI_ANY_ID
, },
10531 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
10532 PCI_ANY_ID
, PCI_ANY_ID
, },
10533 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
10534 PCI_ANY_ID
, PCI_ANY_ID
, },
10535 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
10536 PCI_ANY_ID
, PCI_ANY_ID
, },
10537 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
10538 PCI_ANY_ID
, PCI_ANY_ID
, },
10539 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
10540 PCI_ANY_ID
, PCI_ANY_ID
, },
10541 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
10542 PCI_ANY_ID
, PCI_ANY_ID
, },
10543 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
10544 PCI_ANY_ID
, PCI_ANY_ID
, },
10545 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
10546 PCI_ANY_ID
, PCI_ANY_ID
, },
10547 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
10548 PCI_ANY_ID
, PCI_ANY_ID
, },
10549 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
10550 PCI_ANY_ID
, PCI_ANY_ID
, },
10551 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
10552 PCI_ANY_ID
, PCI_ANY_ID
, },
10553 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
10554 PCI_ANY_ID
, PCI_ANY_ID
, },
10555 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
10556 PCI_ANY_ID
, PCI_ANY_ID
, },
10557 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
10558 PCI_ANY_ID
, PCI_ANY_ID
, },
10559 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
10560 PCI_ANY_ID
, PCI_ANY_ID
, },
10561 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
10562 PCI_ANY_ID
, PCI_ANY_ID
, },
10563 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
10564 PCI_ANY_ID
, PCI_ANY_ID
, },
10565 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HORNET
,
10566 PCI_ANY_ID
, PCI_ANY_ID
, },
10567 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
10568 PCI_ANY_ID
, PCI_ANY_ID
, },
10569 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
10570 PCI_ANY_ID
, PCI_ANY_ID
, },
10571 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
10572 PCI_ANY_ID
, PCI_ANY_ID
, },
10573 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
10574 PCI_ANY_ID
, PCI_ANY_ID
, },
10575 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
10576 PCI_ANY_ID
, PCI_ANY_ID
, },
10577 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
10578 PCI_ANY_ID
, PCI_ANY_ID
, },
10579 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
10580 PCI_ANY_ID
, PCI_ANY_ID
, },
10581 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
10582 PCI_ANY_ID
, PCI_ANY_ID
, },
10583 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
10584 PCI_ANY_ID
, PCI_ANY_ID
, },
10585 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT
,
10586 PCI_ANY_ID
, PCI_ANY_ID
, },
10587 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_MID
,
10588 PCI_ANY_ID
, PCI_ANY_ID
, },
10589 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SMB
,
10590 PCI_ANY_ID
, PCI_ANY_ID
, },
10591 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_DCSP
,
10592 PCI_ANY_ID
, PCI_ANY_ID
, },
10593 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SCSP
,
10594 PCI_ANY_ID
, PCI_ANY_ID
, },
10595 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_S
,
10596 PCI_ANY_ID
, PCI_ANY_ID
, },
10597 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_VF
,
10598 PCI_ANY_ID
, PCI_ANY_ID
, },
10599 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_PF
,
10600 PCI_ANY_ID
, PCI_ANY_ID
, },
10601 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_S
,
10602 PCI_ANY_ID
, PCI_ANY_ID
, },
10603 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TIGERSHARK
,
10604 PCI_ANY_ID
, PCI_ANY_ID
, },
10605 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TOMCAT
,
10606 PCI_ANY_ID
, PCI_ANY_ID
, },
10607 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FALCON
,
10608 PCI_ANY_ID
, PCI_ANY_ID
, },
10609 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BALIUS
,
10610 PCI_ANY_ID
, PCI_ANY_ID
, },
10611 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC
,
10612 PCI_ANY_ID
, PCI_ANY_ID
, },
10613 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE
,
10614 PCI_ANY_ID
, PCI_ANY_ID
, },
10615 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC_VF
,
10616 PCI_ANY_ID
, PCI_ANY_ID
, },
10617 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE_VF
,
10618 PCI_ANY_ID
, PCI_ANY_ID
, },
10619 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SKYHAWK
,
10620 PCI_ANY_ID
, PCI_ANY_ID
, },
10621 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SKYHAWK_VF
,
10622 PCI_ANY_ID
, PCI_ANY_ID
, },
10626 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
10628 static const struct pci_error_handlers lpfc_err_handler
= {
10629 .error_detected
= lpfc_io_error_detected
,
10630 .slot_reset
= lpfc_io_slot_reset
,
10631 .resume
= lpfc_io_resume
,
10634 static struct pci_driver lpfc_driver
= {
10635 .name
= LPFC_DRIVER_NAME
,
10636 .id_table
= lpfc_id_table
,
10637 .probe
= lpfc_pci_probe_one
,
10638 .remove
= lpfc_pci_remove_one
,
10639 .suspend
= lpfc_pci_suspend_one
,
10640 .resume
= lpfc_pci_resume_one
,
10641 .err_handler
= &lpfc_err_handler
,
10644 static const struct file_operations lpfc_mgmt_fop
= {
10645 .open
= lpfc_mgmt_open
,
10646 .release
= lpfc_mgmt_release
,
10649 static struct miscdevice lpfc_mgmt_dev
= {
10650 .minor
= MISC_DYNAMIC_MINOR
,
10651 .name
= "lpfcmgmt",
10652 .fops
= &lpfc_mgmt_fop
,
10656 * lpfc_init - lpfc module initialization routine
10658 * This routine is to be invoked when the lpfc module is loaded into the
10659 * kernel. The special kernel macro module_init() is used to indicate the
10660 * role of this routine to the kernel as lpfc module entry point.
10664 * -ENOMEM - FC attach transport failed
10665 * all others - failed
10672 printk(LPFC_MODULE_DESC
"\n");
10673 printk(LPFC_COPYRIGHT
"\n");
10675 error
= misc_register(&lpfc_mgmt_dev
);
10677 printk(KERN_ERR
"Could not register lpfcmgmt device, "
10678 "misc_register returned with status %d", error
);
10680 if (lpfc_enable_npiv
) {
10681 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
10682 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
10684 lpfc_transport_template
=
10685 fc_attach_transport(&lpfc_transport_functions
);
10686 if (lpfc_transport_template
== NULL
)
10688 if (lpfc_enable_npiv
) {
10689 lpfc_vport_transport_template
=
10690 fc_attach_transport(&lpfc_vport_transport_functions
);
10691 if (lpfc_vport_transport_template
== NULL
) {
10692 fc_release_transport(lpfc_transport_template
);
10696 error
= pci_register_driver(&lpfc_driver
);
10698 fc_release_transport(lpfc_transport_template
);
10699 if (lpfc_enable_npiv
)
10700 fc_release_transport(lpfc_vport_transport_template
);
10707 * lpfc_exit - lpfc module removal routine
10709 * This routine is invoked when the lpfc module is removed from the kernel.
10710 * The special kernel macro module_exit() is used to indicate the role of
10711 * this routine to the kernel as lpfc module exit point.
10716 misc_deregister(&lpfc_mgmt_dev
);
10717 pci_unregister_driver(&lpfc_driver
);
10718 fc_release_transport(lpfc_transport_template
);
10719 if (lpfc_enable_npiv
)
10720 fc_release_transport(lpfc_vport_transport_template
);
10721 if (_dump_buf_data
) {
10722 printk(KERN_ERR
"9062 BLKGRD: freeing %lu pages for "
10723 "_dump_buf_data at 0x%p\n",
10724 (1L << _dump_buf_data_order
), _dump_buf_data
);
10725 free_pages((unsigned long)_dump_buf_data
, _dump_buf_data_order
);
10728 if (_dump_buf_dif
) {
10729 printk(KERN_ERR
"9049 BLKGRD: freeing %lu pages for "
10730 "_dump_buf_dif at 0x%p\n",
10731 (1L << _dump_buf_dif_order
), _dump_buf_dif
);
10732 free_pages((unsigned long)_dump_buf_dif
, _dump_buf_dif_order
);
10736 module_init(lpfc_init
);
10737 module_exit(lpfc_exit
);
10738 MODULE_LICENSE("GPL");
10739 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
10740 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
10741 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);