1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2012 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
9 * This program is free software; you can redistribute it and/or *
10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
20 *******************************************************************/
22 #include <linux/blkdev.h>
23 #include <linux/delay.h>
24 #include <linux/dma-mapping.h>
25 #include <linux/idr.h>
26 #include <linux/interrupt.h>
27 #include <linux/module.h>
28 #include <linux/kthread.h>
29 #include <linux/pci.h>
30 #include <linux/spinlock.h>
31 #include <linux/ctype.h>
32 #include <linux/aer.h>
33 #include <linux/slab.h>
34 #include <linux/firmware.h>
35 #include <linux/miscdevice.h>
37 #include <scsi/scsi.h>
38 #include <scsi/scsi_device.h>
39 #include <scsi/scsi_host.h>
40 #include <scsi/scsi_transport_fc.h>
45 #include "lpfc_sli4.h"
47 #include "lpfc_disc.h"
48 #include "lpfc_scsi.h"
50 #include "lpfc_logmsg.h"
51 #include "lpfc_crtn.h"
52 #include "lpfc_vport.h"
53 #include "lpfc_version.h"
56 unsigned long _dump_buf_data_order
;
58 unsigned long _dump_buf_dif_order
;
59 spinlock_t _dump_buf_lock
;
61 static void lpfc_get_hba_model_desc(struct lpfc_hba
*, uint8_t *, uint8_t *);
62 static int lpfc_post_rcv_buf(struct lpfc_hba
*);
63 static int lpfc_sli4_queue_verify(struct lpfc_hba
*);
64 static int lpfc_create_bootstrap_mbox(struct lpfc_hba
*);
65 static int lpfc_setup_endian_order(struct lpfc_hba
*);
66 static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*);
67 static void lpfc_free_els_sgl_list(struct lpfc_hba
*);
68 static void lpfc_init_sgl_list(struct lpfc_hba
*);
69 static int lpfc_init_active_sgl_array(struct lpfc_hba
*);
70 static void lpfc_free_active_sgl(struct lpfc_hba
*);
71 static int lpfc_hba_down_post_s3(struct lpfc_hba
*phba
);
72 static int lpfc_hba_down_post_s4(struct lpfc_hba
*phba
);
73 static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*);
74 static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*);
75 static void lpfc_sli4_cq_event_release_all(struct lpfc_hba
*);
76 static void lpfc_sli4_disable_intr(struct lpfc_hba
*);
77 static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba
*, uint32_t);
79 static struct scsi_transport_template
*lpfc_transport_template
= NULL
;
80 static struct scsi_transport_template
*lpfc_vport_transport_template
= NULL
;
81 static DEFINE_IDR(lpfc_hba_index
);
84 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
85 * @phba: pointer to lpfc hba data structure.
87 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
88 * mailbox command. It retrieves the revision information from the HBA and
89 * collects the Vital Product Data (VPD) about the HBA for preparing the
90 * configuration of the HBA.
94 * -ERESTART - requests the SLI layer to reset the HBA and try again.
95 * Any other value - indicates an error.
98 lpfc_config_port_prep(struct lpfc_hba
*phba
)
100 lpfc_vpd_t
*vp
= &phba
->vpd
;
104 char *lpfc_vpd_data
= NULL
;
106 static char licensed
[56] =
107 "key unlock for use with gnu public licensed code only\0";
108 static int init_key
= 1;
110 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
112 phba
->link_state
= LPFC_HBA_ERROR
;
117 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
119 if (lpfc_is_LC_HBA(phba
->pcidev
->device
)) {
121 uint32_t *ptext
= (uint32_t *) licensed
;
123 for (i
= 0; i
< 56; i
+= sizeof (uint32_t), ptext
++)
124 *ptext
= cpu_to_be32(*ptext
);
128 lpfc_read_nv(phba
, pmb
);
129 memset((char*)mb
->un
.varRDnvp
.rsvd3
, 0,
130 sizeof (mb
->un
.varRDnvp
.rsvd3
));
131 memcpy((char*)mb
->un
.varRDnvp
.rsvd3
, licensed
,
134 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
136 if (rc
!= MBX_SUCCESS
) {
137 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
138 "0324 Config Port initialization "
139 "error, mbxCmd x%x READ_NVPARM, "
141 mb
->mbxCommand
, mb
->mbxStatus
);
142 mempool_free(pmb
, phba
->mbox_mem_pool
);
145 memcpy(phba
->wwnn
, (char *)mb
->un
.varRDnvp
.nodename
,
147 memcpy(phba
->wwpn
, (char *)mb
->un
.varRDnvp
.portname
,
151 phba
->sli3_options
= 0x0;
153 /* Setup and issue mailbox READ REV command */
154 lpfc_read_rev(phba
, pmb
);
155 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
156 if (rc
!= MBX_SUCCESS
) {
157 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
158 "0439 Adapter failed to init, mbxCmd x%x "
159 "READ_REV, mbxStatus x%x\n",
160 mb
->mbxCommand
, mb
->mbxStatus
);
161 mempool_free( pmb
, phba
->mbox_mem_pool
);
167 * The value of rr must be 1 since the driver set the cv field to 1.
168 * This setting requires the FW to set all revision fields.
170 if (mb
->un
.varRdRev
.rr
== 0) {
172 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
173 "0440 Adapter failed to init, READ_REV has "
174 "missing revision information.\n");
175 mempool_free(pmb
, phba
->mbox_mem_pool
);
179 if (phba
->sli_rev
== 3 && !mb
->un
.varRdRev
.v3rsp
) {
180 mempool_free(pmb
, phba
->mbox_mem_pool
);
184 /* Save information as VPD data */
186 memcpy(&vp
->sli3Feat
, &mb
->un
.varRdRev
.sli3Feat
, sizeof(uint32_t));
187 vp
->rev
.sli1FwRev
= mb
->un
.varRdRev
.sli1FwRev
;
188 memcpy(vp
->rev
.sli1FwName
, (char*) mb
->un
.varRdRev
.sli1FwName
, 16);
189 vp
->rev
.sli2FwRev
= mb
->un
.varRdRev
.sli2FwRev
;
190 memcpy(vp
->rev
.sli2FwName
, (char *) mb
->un
.varRdRev
.sli2FwName
, 16);
191 vp
->rev
.biuRev
= mb
->un
.varRdRev
.biuRev
;
192 vp
->rev
.smRev
= mb
->un
.varRdRev
.smRev
;
193 vp
->rev
.smFwRev
= mb
->un
.varRdRev
.un
.smFwRev
;
194 vp
->rev
.endecRev
= mb
->un
.varRdRev
.endecRev
;
195 vp
->rev
.fcphHigh
= mb
->un
.varRdRev
.fcphHigh
;
196 vp
->rev
.fcphLow
= mb
->un
.varRdRev
.fcphLow
;
197 vp
->rev
.feaLevelHigh
= mb
->un
.varRdRev
.feaLevelHigh
;
198 vp
->rev
.feaLevelLow
= mb
->un
.varRdRev
.feaLevelLow
;
199 vp
->rev
.postKernRev
= mb
->un
.varRdRev
.postKernRev
;
200 vp
->rev
.opFwRev
= mb
->un
.varRdRev
.opFwRev
;
202 /* If the sli feature level is less then 9, we must
203 * tear down all RPIs and VPIs on link down if NPIV
206 if (vp
->rev
.feaLevelHigh
< 9)
207 phba
->sli3_options
|= LPFC_SLI3_VPORT_TEARDOWN
;
209 if (lpfc_is_LC_HBA(phba
->pcidev
->device
))
210 memcpy(phba
->RandomData
, (char *)&mb
->un
.varWords
[24],
211 sizeof (phba
->RandomData
));
213 /* Get adapter VPD information */
214 lpfc_vpd_data
= kmalloc(DMP_VPD_SIZE
, GFP_KERNEL
);
218 lpfc_dump_mem(phba
, pmb
, offset
, DMP_REGION_VPD
);
219 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
221 if (rc
!= MBX_SUCCESS
) {
222 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
223 "0441 VPD not present on adapter, "
224 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
225 mb
->mbxCommand
, mb
->mbxStatus
);
226 mb
->un
.varDmp
.word_cnt
= 0;
228 /* dump mem may return a zero when finished or we got a
229 * mailbox error, either way we are done.
231 if (mb
->un
.varDmp
.word_cnt
== 0)
233 if (mb
->un
.varDmp
.word_cnt
> DMP_VPD_SIZE
- offset
)
234 mb
->un
.varDmp
.word_cnt
= DMP_VPD_SIZE
- offset
;
235 lpfc_sli_pcimem_bcopy(((uint8_t *)mb
) + DMP_RSP_OFFSET
,
236 lpfc_vpd_data
+ offset
,
237 mb
->un
.varDmp
.word_cnt
);
238 offset
+= mb
->un
.varDmp
.word_cnt
;
239 } while (mb
->un
.varDmp
.word_cnt
&& offset
< DMP_VPD_SIZE
);
240 lpfc_parse_vpd(phba
, lpfc_vpd_data
, offset
);
242 kfree(lpfc_vpd_data
);
244 mempool_free(pmb
, phba
->mbox_mem_pool
);
249 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
250 * @phba: pointer to lpfc hba data structure.
251 * @pmboxq: pointer to the driver internal queue element for mailbox command.
253 * This is the completion handler for driver's configuring asynchronous event
254 * mailbox command to the device. If the mailbox command returns successfully,
255 * it will set internal async event support flag to 1; otherwise, it will
256 * set internal async event support flag to 0.
259 lpfc_config_async_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
261 if (pmboxq
->u
.mb
.mbxStatus
== MBX_SUCCESS
)
262 phba
->temp_sensor_support
= 1;
264 phba
->temp_sensor_support
= 0;
265 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
270 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
271 * @phba: pointer to lpfc hba data structure.
272 * @pmboxq: pointer to the driver internal queue element for mailbox command.
274 * This is the completion handler for dump mailbox command for getting
275 * wake up parameters. When this command complete, the response contain
276 * Option rom version of the HBA. This function translate the version number
277 * into a human readable string and store it in OptionROMVersion.
280 lpfc_dump_wakeup_param_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmboxq
)
283 uint32_t prog_id_word
;
285 /* character array used for decoding dist type. */
286 char dist_char
[] = "nabx";
288 if (pmboxq
->u
.mb
.mbxStatus
!= MBX_SUCCESS
) {
289 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
293 prg
= (struct prog_id
*) &prog_id_word
;
295 /* word 7 contain option rom version */
296 prog_id_word
= pmboxq
->u
.mb
.un
.varWords
[7];
298 /* Decode the Option rom version word to a readable string */
300 dist
= dist_char
[prg
->dist
];
302 if ((prg
->dist
== 3) && (prg
->num
== 0))
303 sprintf(phba
->OptionROMVersion
, "%d.%d%d",
304 prg
->ver
, prg
->rev
, prg
->lev
);
306 sprintf(phba
->OptionROMVersion
, "%d.%d%d%c%d",
307 prg
->ver
, prg
->rev
, prg
->lev
,
309 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
314 * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname,
315 * cfg_soft_wwnn, cfg_soft_wwpn
316 * @vport: pointer to lpfc vport data structure.
323 lpfc_update_vport_wwn(struct lpfc_vport
*vport
)
325 /* If the soft name exists then update it using the service params */
326 if (vport
->phba
->cfg_soft_wwnn
)
327 u64_to_wwn(vport
->phba
->cfg_soft_wwnn
,
328 vport
->fc_sparam
.nodeName
.u
.wwn
);
329 if (vport
->phba
->cfg_soft_wwpn
)
330 u64_to_wwn(vport
->phba
->cfg_soft_wwpn
,
331 vport
->fc_sparam
.portName
.u
.wwn
);
334 * If the name is empty or there exists a soft name
335 * then copy the service params name, otherwise use the fc name
337 if (vport
->fc_nodename
.u
.wwn
[0] == 0 || vport
->phba
->cfg_soft_wwnn
)
338 memcpy(&vport
->fc_nodename
, &vport
->fc_sparam
.nodeName
,
339 sizeof(struct lpfc_name
));
341 memcpy(&vport
->fc_sparam
.nodeName
, &vport
->fc_nodename
,
342 sizeof(struct lpfc_name
));
344 if (vport
->fc_portname
.u
.wwn
[0] == 0 || vport
->phba
->cfg_soft_wwpn
)
345 memcpy(&vport
->fc_portname
, &vport
->fc_sparam
.portName
,
346 sizeof(struct lpfc_name
));
348 memcpy(&vport
->fc_sparam
.portName
, &vport
->fc_portname
,
349 sizeof(struct lpfc_name
));
353 * lpfc_config_port_post - Perform lpfc initialization after config port
354 * @phba: pointer to lpfc hba data structure.
356 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
357 * command call. It performs all internal resource and state setups on the
358 * port: post IOCB buffers, enable appropriate host interrupt attentions,
359 * ELS ring timers, etc.
363 * Any other value - error.
366 lpfc_config_port_post(struct lpfc_hba
*phba
)
368 struct lpfc_vport
*vport
= phba
->pport
;
369 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
372 struct lpfc_dmabuf
*mp
;
373 struct lpfc_sli
*psli
= &phba
->sli
;
374 uint32_t status
, timeout
;
378 spin_lock_irq(&phba
->hbalock
);
380 * If the Config port completed correctly the HBA is not
381 * over heated any more.
383 if (phba
->over_temp_state
== HBA_OVER_TEMP
)
384 phba
->over_temp_state
= HBA_NORMAL_TEMP
;
385 spin_unlock_irq(&phba
->hbalock
);
387 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
389 phba
->link_state
= LPFC_HBA_ERROR
;
394 /* Get login parameters for NID. */
395 rc
= lpfc_read_sparam(phba
, pmb
, 0);
397 mempool_free(pmb
, phba
->mbox_mem_pool
);
402 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
403 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
404 "0448 Adapter failed init, mbxCmd x%x "
405 "READ_SPARM mbxStatus x%x\n",
406 mb
->mbxCommand
, mb
->mbxStatus
);
407 phba
->link_state
= LPFC_HBA_ERROR
;
408 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
409 mempool_free(pmb
, phba
->mbox_mem_pool
);
410 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
415 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
417 memcpy(&vport
->fc_sparam
, mp
->virt
, sizeof (struct serv_parm
));
418 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
420 pmb
->context1
= NULL
;
421 lpfc_update_vport_wwn(vport
);
423 /* Update the fc_host data structures with new wwn. */
424 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
425 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
426 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
428 /* If no serial number in VPD data, use low 6 bytes of WWNN */
429 /* This should be consolidated into parse_vpd ? - mr */
430 if (phba
->SerialNumber
[0] == 0) {
433 outptr
= &vport
->fc_nodename
.u
.s
.IEEE
[0];
434 for (i
= 0; i
< 12; i
++) {
436 j
= ((status
& 0xf0) >> 4);
438 phba
->SerialNumber
[i
] =
439 (char)((uint8_t) 0x30 + (uint8_t) j
);
441 phba
->SerialNumber
[i
] =
442 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
446 phba
->SerialNumber
[i
] =
447 (char)((uint8_t) 0x30 + (uint8_t) j
);
449 phba
->SerialNumber
[i
] =
450 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
454 lpfc_read_config(phba
, pmb
);
456 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
457 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
458 "0453 Adapter failed to init, mbxCmd x%x "
459 "READ_CONFIG, mbxStatus x%x\n",
460 mb
->mbxCommand
, mb
->mbxStatus
);
461 phba
->link_state
= LPFC_HBA_ERROR
;
462 mempool_free( pmb
, phba
->mbox_mem_pool
);
466 /* Check if the port is disabled */
467 lpfc_sli_read_link_ste(phba
);
469 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
470 if (phba
->cfg_hba_queue_depth
> (mb
->un
.varRdConfig
.max_xri
+1))
471 phba
->cfg_hba_queue_depth
=
472 (mb
->un
.varRdConfig
.max_xri
+ 1) -
473 lpfc_sli4_get_els_iocb_cnt(phba
);
475 phba
->lmt
= mb
->un
.varRdConfig
.lmt
;
477 /* Get the default values for Model Name and Description */
478 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
480 phba
->link_state
= LPFC_LINK_DOWN
;
482 /* Only process IOCBs on ELS ring till hba_state is READY */
483 if (psli
->ring
[psli
->extra_ring
].sli
.sli3
.cmdringaddr
)
484 psli
->ring
[psli
->extra_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
485 if (psli
->ring
[psli
->fcp_ring
].sli
.sli3
.cmdringaddr
)
486 psli
->ring
[psli
->fcp_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
487 if (psli
->ring
[psli
->next_ring
].sli
.sli3
.cmdringaddr
)
488 psli
->ring
[psli
->next_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
490 /* Post receive buffers for desired rings */
491 if (phba
->sli_rev
!= 3)
492 lpfc_post_rcv_buf(phba
);
495 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
497 if (phba
->intr_type
== MSIX
) {
498 rc
= lpfc_config_msi(phba
, pmb
);
500 mempool_free(pmb
, phba
->mbox_mem_pool
);
503 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
504 if (rc
!= MBX_SUCCESS
) {
505 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
506 "0352 Config MSI mailbox command "
507 "failed, mbxCmd x%x, mbxStatus x%x\n",
508 pmb
->u
.mb
.mbxCommand
,
509 pmb
->u
.mb
.mbxStatus
);
510 mempool_free(pmb
, phba
->mbox_mem_pool
);
515 spin_lock_irq(&phba
->hbalock
);
516 /* Initialize ERATT handling flag */
517 phba
->hba_flag
&= ~HBA_ERATT_HANDLED
;
519 /* Enable appropriate host interrupts */
520 if (lpfc_readl(phba
->HCregaddr
, &status
)) {
521 spin_unlock_irq(&phba
->hbalock
);
524 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
525 if (psli
->num_rings
> 0)
526 status
|= HC_R0INT_ENA
;
527 if (psli
->num_rings
> 1)
528 status
|= HC_R1INT_ENA
;
529 if (psli
->num_rings
> 2)
530 status
|= HC_R2INT_ENA
;
531 if (psli
->num_rings
> 3)
532 status
|= HC_R3INT_ENA
;
534 if ((phba
->cfg_poll
& ENABLE_FCP_RING_POLLING
) &&
535 (phba
->cfg_poll
& DISABLE_FCP_RING_INT
))
536 status
&= ~(HC_R0INT_ENA
);
538 writel(status
, phba
->HCregaddr
);
539 readl(phba
->HCregaddr
); /* flush */
540 spin_unlock_irq(&phba
->hbalock
);
542 /* Set up ring-0 (ELS) timer */
543 timeout
= phba
->fc_ratov
* 2;
544 mod_timer(&vport
->els_tmofunc
, jiffies
+ HZ
* timeout
);
545 /* Set up heart beat (HB) timer */
546 mod_timer(&phba
->hb_tmofunc
, jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
547 phba
->hb_outstanding
= 0;
548 phba
->last_completion_time
= jiffies
;
549 /* Set up error attention (ERATT) polling timer */
550 mod_timer(&phba
->eratt_poll
, jiffies
+ HZ
* LPFC_ERATT_POLL_INTERVAL
);
552 if (phba
->hba_flag
& LINK_DISABLED
) {
553 lpfc_printf_log(phba
,
555 "2598 Adapter Link is disabled.\n");
556 lpfc_down_link(phba
, pmb
);
557 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
558 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
559 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
560 lpfc_printf_log(phba
,
562 "2599 Adapter failed to issue DOWN_LINK"
563 " mbox command rc 0x%x\n", rc
);
565 mempool_free(pmb
, phba
->mbox_mem_pool
);
568 } else if (phba
->cfg_suppress_link_up
== LPFC_INITIALIZE_LINK
) {
569 mempool_free(pmb
, phba
->mbox_mem_pool
);
570 rc
= phba
->lpfc_hba_init_link(phba
, MBX_NOWAIT
);
574 /* MBOX buffer will be freed in mbox compl */
575 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
577 phba
->link_state
= LPFC_HBA_ERROR
;
581 lpfc_config_async(phba
, pmb
, LPFC_ELS_RING
);
582 pmb
->mbox_cmpl
= lpfc_config_async_cmpl
;
583 pmb
->vport
= phba
->pport
;
584 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
586 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
587 lpfc_printf_log(phba
,
590 "0456 Adapter failed to issue "
591 "ASYNCEVT_ENABLE mbox status x%x\n",
593 mempool_free(pmb
, phba
->mbox_mem_pool
);
596 /* Get Option rom version */
597 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
599 phba
->link_state
= LPFC_HBA_ERROR
;
603 lpfc_dump_wakeup_param(phba
, pmb
);
604 pmb
->mbox_cmpl
= lpfc_dump_wakeup_param_cmpl
;
605 pmb
->vport
= phba
->pport
;
606 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
608 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
609 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
, "0435 Adapter failed "
610 "to get Option ROM version status x%x\n", rc
);
611 mempool_free(pmb
, phba
->mbox_mem_pool
);
618 * lpfc_hba_init_link - Initialize the FC link
619 * @phba: pointer to lpfc hba data structure.
620 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
622 * This routine will issue the INIT_LINK mailbox command call.
623 * It is available to other drivers through the lpfc_hba data
624 * structure for use as a delayed link up mechanism with the
625 * module parameter lpfc_suppress_link_up.
629 * Any other value - error
632 lpfc_hba_init_link(struct lpfc_hba
*phba
, uint32_t flag
)
634 return lpfc_hba_init_link_fc_topology(phba
, phba
->cfg_topology
, flag
);
638 * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology
639 * @phba: pointer to lpfc hba data structure.
640 * @fc_topology: desired fc topology.
641 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
643 * This routine will issue the INIT_LINK mailbox command call.
644 * It is available to other drivers through the lpfc_hba data
645 * structure for use as a delayed link up mechanism with the
646 * module parameter lpfc_suppress_link_up.
650 * Any other value - error
653 lpfc_hba_init_link_fc_topology(struct lpfc_hba
*phba
, uint32_t fc_topology
,
656 struct lpfc_vport
*vport
= phba
->pport
;
661 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
663 phba
->link_state
= LPFC_HBA_ERROR
;
669 if ((phba
->cfg_link_speed
> LPFC_USER_LINK_SPEED_MAX
) ||
670 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_1G
) &&
671 !(phba
->lmt
& LMT_1Gb
)) ||
672 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_2G
) &&
673 !(phba
->lmt
& LMT_2Gb
)) ||
674 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_4G
) &&
675 !(phba
->lmt
& LMT_4Gb
)) ||
676 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_8G
) &&
677 !(phba
->lmt
& LMT_8Gb
)) ||
678 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_10G
) &&
679 !(phba
->lmt
& LMT_10Gb
)) ||
680 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_16G
) &&
681 !(phba
->lmt
& LMT_16Gb
))) {
682 /* Reset link speed to auto */
683 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
684 "1302 Invalid speed for this board:%d "
685 "Reset link speed to auto.\n",
686 phba
->cfg_link_speed
);
687 phba
->cfg_link_speed
= LPFC_USER_LINK_SPEED_AUTO
;
689 lpfc_init_link(phba
, pmb
, fc_topology
, phba
->cfg_link_speed
);
690 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
691 if (phba
->sli_rev
< LPFC_SLI_REV4
)
692 lpfc_set_loopback_flag(phba
);
693 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
694 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
695 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
696 "0498 Adapter failed to init, mbxCmd x%x "
697 "INIT_LINK, mbxStatus x%x\n",
698 mb
->mbxCommand
, mb
->mbxStatus
);
699 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
700 /* Clear all interrupt enable conditions */
701 writel(0, phba
->HCregaddr
);
702 readl(phba
->HCregaddr
); /* flush */
703 /* Clear all pending interrupts */
704 writel(0xffffffff, phba
->HAregaddr
);
705 readl(phba
->HAregaddr
); /* flush */
707 phba
->link_state
= LPFC_HBA_ERROR
;
708 if (rc
!= MBX_BUSY
|| flag
== MBX_POLL
)
709 mempool_free(pmb
, phba
->mbox_mem_pool
);
712 phba
->cfg_suppress_link_up
= LPFC_INITIALIZE_LINK
;
713 if (flag
== MBX_POLL
)
714 mempool_free(pmb
, phba
->mbox_mem_pool
);
720 * lpfc_hba_down_link - this routine downs the FC link
721 * @phba: pointer to lpfc hba data structure.
722 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
724 * This routine will issue the DOWN_LINK mailbox command call.
725 * It is available to other drivers through the lpfc_hba data
726 * structure for use to stop the link.
730 * Any other value - error
733 lpfc_hba_down_link(struct lpfc_hba
*phba
, uint32_t flag
)
738 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
740 phba
->link_state
= LPFC_HBA_ERROR
;
744 lpfc_printf_log(phba
,
746 "0491 Adapter Link is disabled.\n");
747 lpfc_down_link(phba
, pmb
);
748 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
749 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
750 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
751 lpfc_printf_log(phba
,
753 "2522 Adapter failed to issue DOWN_LINK"
754 " mbox command rc 0x%x\n", rc
);
756 mempool_free(pmb
, phba
->mbox_mem_pool
);
759 if (flag
== MBX_POLL
)
760 mempool_free(pmb
, phba
->mbox_mem_pool
);
766 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
767 * @phba: pointer to lpfc HBA data structure.
769 * This routine will do LPFC uninitialization before the HBA is reset when
770 * bringing down the SLI Layer.
774 * Any other value - error.
777 lpfc_hba_down_prep(struct lpfc_hba
*phba
)
779 struct lpfc_vport
**vports
;
782 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
783 /* Disable interrupts */
784 writel(0, phba
->HCregaddr
);
785 readl(phba
->HCregaddr
); /* flush */
788 if (phba
->pport
->load_flag
& FC_UNLOADING
)
789 lpfc_cleanup_discovery_resources(phba
->pport
);
791 vports
= lpfc_create_vport_work_array(phba
);
793 for (i
= 0; i
<= phba
->max_vports
&&
794 vports
[i
] != NULL
; i
++)
795 lpfc_cleanup_discovery_resources(vports
[i
]);
796 lpfc_destroy_vport_work_array(phba
, vports
);
802 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
803 * @phba: pointer to lpfc HBA data structure.
805 * This routine will do uninitialization after the HBA is reset when bring
806 * down the SLI Layer.
810 * Any other value - error.
813 lpfc_hba_down_post_s3(struct lpfc_hba
*phba
)
815 struct lpfc_sli
*psli
= &phba
->sli
;
816 struct lpfc_sli_ring
*pring
;
817 struct lpfc_dmabuf
*mp
, *next_mp
;
818 LIST_HEAD(completions
);
821 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)
822 lpfc_sli_hbqbuf_free_all(phba
);
824 /* Cleanup preposted buffers on the ELS ring */
825 pring
= &psli
->ring
[LPFC_ELS_RING
];
826 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
828 pring
->postbufq_cnt
--;
829 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
834 spin_lock_irq(&phba
->hbalock
);
835 for (i
= 0; i
< psli
->num_rings
; i
++) {
836 pring
= &psli
->ring
[i
];
838 /* At this point in time the HBA is either reset or DOA. Either
839 * way, nothing should be on txcmplq as it will NEVER complete.
841 list_splice_init(&pring
->txcmplq
, &completions
);
842 pring
->txcmplq_cnt
= 0;
843 spin_unlock_irq(&phba
->hbalock
);
845 /* Cancel all the IOCBs from the completions list */
846 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
849 lpfc_sli_abort_iocb_ring(phba
, pring
);
850 spin_lock_irq(&phba
->hbalock
);
852 spin_unlock_irq(&phba
->hbalock
);
858 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
859 * @phba: pointer to lpfc HBA data structure.
861 * This routine will do uninitialization after the HBA is reset when bring
862 * down the SLI Layer.
866 * Any other value - error.
869 lpfc_hba_down_post_s4(struct lpfc_hba
*phba
)
871 struct lpfc_scsi_buf
*psb
, *psb_next
;
874 unsigned long iflag
= 0;
875 struct lpfc_sglq
*sglq_entry
= NULL
;
877 ret
= lpfc_hba_down_post_s3(phba
);
880 /* At this point in time the HBA is either reset or DOA. Either
881 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
882 * on the lpfc_sgl_list so that it can either be freed if the
883 * driver is unloading or reposted if the driver is restarting
886 spin_lock_irq(&phba
->hbalock
); /* required for lpfc_sgl_list and */
888 /* abts_sgl_list_lock required because worker thread uses this
891 spin_lock(&phba
->sli4_hba
.abts_sgl_list_lock
);
892 list_for_each_entry(sglq_entry
,
893 &phba
->sli4_hba
.lpfc_abts_els_sgl_list
, list
)
894 sglq_entry
->state
= SGL_FREED
;
896 list_splice_init(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
,
897 &phba
->sli4_hba
.lpfc_sgl_list
);
898 spin_unlock(&phba
->sli4_hba
.abts_sgl_list_lock
);
899 /* abts_scsi_buf_list_lock required because worker thread uses this
902 spin_lock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
903 list_splice_init(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
,
905 spin_unlock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
906 spin_unlock_irq(&phba
->hbalock
);
908 list_for_each_entry_safe(psb
, psb_next
, &aborts
, list
) {
910 psb
->status
= IOSTAT_SUCCESS
;
912 spin_lock_irqsave(&phba
->scsi_buf_list_lock
, iflag
);
913 list_splice(&aborts
, &phba
->lpfc_scsi_buf_list
);
914 spin_unlock_irqrestore(&phba
->scsi_buf_list_lock
, iflag
);
919 * lpfc_hba_down_post - Wrapper func for hba down post routine
920 * @phba: pointer to lpfc HBA data structure.
922 * This routine wraps the actual SLI3 or SLI4 routine for performing
923 * uninitialization after the HBA is reset when bring down the SLI Layer.
927 * Any other value - error.
930 lpfc_hba_down_post(struct lpfc_hba
*phba
)
932 return (*phba
->lpfc_hba_down_post
)(phba
);
936 * lpfc_hb_timeout - The HBA-timer timeout handler
937 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
939 * This is the HBA-timer timeout handler registered to the lpfc driver. When
940 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
941 * work-port-events bitmap and the worker thread is notified. This timeout
942 * event will be used by the worker thread to invoke the actual timeout
943 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
944 * be performed in the timeout handler and the HBA timeout event bit shall
945 * be cleared by the worker thread after it has taken the event bitmap out.
948 lpfc_hb_timeout(unsigned long ptr
)
950 struct lpfc_hba
*phba
;
954 phba
= (struct lpfc_hba
*)ptr
;
956 /* Check for heart beat timeout conditions */
957 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
958 tmo_posted
= phba
->pport
->work_port_events
& WORKER_HB_TMO
;
960 phba
->pport
->work_port_events
|= WORKER_HB_TMO
;
961 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
963 /* Tell the worker thread there is work to do */
965 lpfc_worker_wake_up(phba
);
970 * lpfc_rrq_timeout - The RRQ-timer timeout handler
971 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
973 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
974 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
975 * work-port-events bitmap and the worker thread is notified. This timeout
976 * event will be used by the worker thread to invoke the actual timeout
977 * handler routine, lpfc_rrq_handler. Any periodical operations will
978 * be performed in the timeout handler and the RRQ timeout event bit shall
979 * be cleared by the worker thread after it has taken the event bitmap out.
982 lpfc_rrq_timeout(unsigned long ptr
)
984 struct lpfc_hba
*phba
;
987 phba
= (struct lpfc_hba
*)ptr
;
988 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
989 phba
->hba_flag
|= HBA_RRQ_ACTIVE
;
990 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
991 lpfc_worker_wake_up(phba
);
995 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
996 * @phba: pointer to lpfc hba data structure.
997 * @pmboxq: pointer to the driver internal queue element for mailbox command.
999 * This is the callback function to the lpfc heart-beat mailbox command.
1000 * If configured, the lpfc driver issues the heart-beat mailbox command to
1001 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
1002 * heart-beat mailbox command is issued, the driver shall set up heart-beat
1003 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
1004 * heart-beat outstanding state. Once the mailbox command comes back and
1005 * no error conditions detected, the heart-beat mailbox command timer is
1006 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1007 * state is cleared for the next heart-beat. If the timer expired with the
1008 * heart-beat outstanding state set, the driver will put the HBA offline.
1011 lpfc_hb_mbox_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
1013 unsigned long drvr_flag
;
1015 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
1016 phba
->hb_outstanding
= 0;
1017 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
1019 /* Check and reset heart-beat timer is necessary */
1020 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1021 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
) &&
1022 !(phba
->link_state
== LPFC_HBA_ERROR
) &&
1023 !(phba
->pport
->load_flag
& FC_UNLOADING
))
1024 mod_timer(&phba
->hb_tmofunc
,
1025 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
1030 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
1031 * @phba: pointer to lpfc hba data structure.
1033 * This is the actual HBA-timer timeout handler to be invoked by the worker
1034 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1035 * handler performs any periodic operations needed for the device. If such
1036 * periodic event has already been attended to either in the interrupt handler
1037 * or by processing slow-ring or fast-ring events within the HBA-timer
1038 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1039 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1040 * is configured and there is no heart-beat mailbox command outstanding, a
1041 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1042 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1046 lpfc_hb_timeout_handler(struct lpfc_hba
*phba
)
1048 struct lpfc_vport
**vports
;
1049 LPFC_MBOXQ_t
*pmboxq
;
1050 struct lpfc_dmabuf
*buf_ptr
;
1052 struct lpfc_sli
*psli
= &phba
->sli
;
1053 LIST_HEAD(completions
);
1055 vports
= lpfc_create_vport_work_array(phba
);
1057 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
1058 lpfc_rcv_seq_check_edtov(vports
[i
]);
1059 lpfc_destroy_vport_work_array(phba
, vports
);
1061 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
1062 (phba
->pport
->load_flag
& FC_UNLOADING
) ||
1063 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
1066 spin_lock_irq(&phba
->pport
->work_port_lock
);
1068 if (time_after(phba
->last_completion_time
+ LPFC_HB_MBOX_INTERVAL
* HZ
,
1070 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1071 if (!phba
->hb_outstanding
)
1072 mod_timer(&phba
->hb_tmofunc
,
1073 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
1075 mod_timer(&phba
->hb_tmofunc
,
1076 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
1079 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1081 if (phba
->elsbuf_cnt
&&
1082 (phba
->elsbuf_cnt
== phba
->elsbuf_prev_cnt
)) {
1083 spin_lock_irq(&phba
->hbalock
);
1084 list_splice_init(&phba
->elsbuf
, &completions
);
1085 phba
->elsbuf_cnt
= 0;
1086 phba
->elsbuf_prev_cnt
= 0;
1087 spin_unlock_irq(&phba
->hbalock
);
1089 while (!list_empty(&completions
)) {
1090 list_remove_head(&completions
, buf_ptr
,
1091 struct lpfc_dmabuf
, list
);
1092 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
1096 phba
->elsbuf_prev_cnt
= phba
->elsbuf_cnt
;
1098 /* If there is no heart beat outstanding, issue a heartbeat command */
1099 if (phba
->cfg_enable_hba_heartbeat
) {
1100 if (!phba
->hb_outstanding
) {
1101 if ((!(psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
)) &&
1102 (list_empty(&psli
->mboxq
))) {
1103 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,
1106 mod_timer(&phba
->hb_tmofunc
,
1108 HZ
* LPFC_HB_MBOX_INTERVAL
);
1112 lpfc_heart_beat(phba
, pmboxq
);
1113 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
1114 pmboxq
->vport
= phba
->pport
;
1115 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
,
1118 if (retval
!= MBX_BUSY
&&
1119 retval
!= MBX_SUCCESS
) {
1120 mempool_free(pmboxq
,
1121 phba
->mbox_mem_pool
);
1122 mod_timer(&phba
->hb_tmofunc
,
1124 HZ
* LPFC_HB_MBOX_INTERVAL
);
1127 phba
->skipped_hb
= 0;
1128 phba
->hb_outstanding
= 1;
1129 } else if (time_before_eq(phba
->last_completion_time
,
1130 phba
->skipped_hb
)) {
1131 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1132 "2857 Last completion time not "
1133 " updated in %d ms\n",
1134 jiffies_to_msecs(jiffies
1135 - phba
->last_completion_time
));
1137 phba
->skipped_hb
= jiffies
;
1139 mod_timer(&phba
->hb_tmofunc
,
1140 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
1144 * If heart beat timeout called with hb_outstanding set
1145 * we need to give the hb mailbox cmd a chance to
1148 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1149 "0459 Adapter heartbeat still out"
1150 "standing:last compl time was %d ms.\n",
1151 jiffies_to_msecs(jiffies
1152 - phba
->last_completion_time
));
1153 mod_timer(&phba
->hb_tmofunc
,
1154 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
1160 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
1161 * @phba: pointer to lpfc hba data structure.
1163 * This routine is called to bring the HBA offline when HBA hardware error
1164 * other than Port Error 6 has been detected.
1167 lpfc_offline_eratt(struct lpfc_hba
*phba
)
1169 struct lpfc_sli
*psli
= &phba
->sli
;
1171 spin_lock_irq(&phba
->hbalock
);
1172 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1173 spin_unlock_irq(&phba
->hbalock
);
1174 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1177 lpfc_reset_barrier(phba
);
1178 spin_lock_irq(&phba
->hbalock
);
1179 lpfc_sli_brdreset(phba
);
1180 spin_unlock_irq(&phba
->hbalock
);
1181 lpfc_hba_down_post(phba
);
1182 lpfc_sli_brdready(phba
, HS_MBRDY
);
1183 lpfc_unblock_mgmt_io(phba
);
1184 phba
->link_state
= LPFC_HBA_ERROR
;
1189 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1190 * @phba: pointer to lpfc hba data structure.
1192 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1193 * other than Port Error 6 has been detected.
1196 lpfc_sli4_offline_eratt(struct lpfc_hba
*phba
)
1198 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1200 lpfc_sli4_brdreset(phba
);
1201 lpfc_hba_down_post(phba
);
1202 lpfc_sli4_post_status_check(phba
);
1203 lpfc_unblock_mgmt_io(phba
);
1204 phba
->link_state
= LPFC_HBA_ERROR
;
1208 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1209 * @phba: pointer to lpfc hba data structure.
1211 * This routine is invoked to handle the deferred HBA hardware error
1212 * conditions. This type of error is indicated by HBA by setting ER1
1213 * and another ER bit in the host status register. The driver will
1214 * wait until the ER1 bit clears before handling the error condition.
1217 lpfc_handle_deferred_eratt(struct lpfc_hba
*phba
)
1219 uint32_t old_host_status
= phba
->work_hs
;
1220 struct lpfc_sli_ring
*pring
;
1221 struct lpfc_sli
*psli
= &phba
->sli
;
1223 /* If the pci channel is offline, ignore possible errors,
1224 * since we cannot communicate with the pci card anyway.
1226 if (pci_channel_offline(phba
->pcidev
)) {
1227 spin_lock_irq(&phba
->hbalock
);
1228 phba
->hba_flag
&= ~DEFER_ERATT
;
1229 spin_unlock_irq(&phba
->hbalock
);
1233 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1234 "0479 Deferred Adapter Hardware Error "
1235 "Data: x%x x%x x%x\n",
1237 phba
->work_status
[0], phba
->work_status
[1]);
1239 spin_lock_irq(&phba
->hbalock
);
1240 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1241 spin_unlock_irq(&phba
->hbalock
);
1245 * Firmware stops when it triggred erratt. That could cause the I/Os
1246 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1247 * SCSI layer retry it after re-establishing link.
1249 pring
= &psli
->ring
[psli
->fcp_ring
];
1250 lpfc_sli_abort_iocb_ring(phba
, pring
);
1253 * There was a firmware error. Take the hba offline and then
1254 * attempt to restart it.
1256 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
1259 /* Wait for the ER1 bit to clear.*/
1260 while (phba
->work_hs
& HS_FFER1
) {
1262 if (lpfc_readl(phba
->HSregaddr
, &phba
->work_hs
)) {
1263 phba
->work_hs
= UNPLUG_ERR
;
1266 /* If driver is unloading let the worker thread continue */
1267 if (phba
->pport
->load_flag
& FC_UNLOADING
) {
1274 * This is to ptrotect against a race condition in which
1275 * first write to the host attention register clear the
1276 * host status register.
1278 if ((!phba
->work_hs
) && (!(phba
->pport
->load_flag
& FC_UNLOADING
)))
1279 phba
->work_hs
= old_host_status
& ~HS_FFER1
;
1281 spin_lock_irq(&phba
->hbalock
);
1282 phba
->hba_flag
&= ~DEFER_ERATT
;
1283 spin_unlock_irq(&phba
->hbalock
);
1284 phba
->work_status
[0] = readl(phba
->MBslimaddr
+ 0xa8);
1285 phba
->work_status
[1] = readl(phba
->MBslimaddr
+ 0xac);
1289 lpfc_board_errevt_to_mgmt(struct lpfc_hba
*phba
)
1291 struct lpfc_board_event_header board_event
;
1292 struct Scsi_Host
*shost
;
1294 board_event
.event_type
= FC_REG_BOARD_EVENT
;
1295 board_event
.subcategory
= LPFC_EVENT_PORTINTERR
;
1296 shost
= lpfc_shost_from_vport(phba
->pport
);
1297 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1298 sizeof(board_event
),
1299 (char *) &board_event
,
1304 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
1305 * @phba: pointer to lpfc hba data structure.
1307 * This routine is invoked to handle the following HBA hardware error
1309 * 1 - HBA error attention interrupt
1310 * 2 - DMA ring index out of range
1311 * 3 - Mailbox command came back as unknown
1314 lpfc_handle_eratt_s3(struct lpfc_hba
*phba
)
1316 struct lpfc_vport
*vport
= phba
->pport
;
1317 struct lpfc_sli
*psli
= &phba
->sli
;
1318 struct lpfc_sli_ring
*pring
;
1319 uint32_t event_data
;
1320 unsigned long temperature
;
1321 struct temp_event temp_event_data
;
1322 struct Scsi_Host
*shost
;
1324 /* If the pci channel is offline, ignore possible errors,
1325 * since we cannot communicate with the pci card anyway.
1327 if (pci_channel_offline(phba
->pcidev
)) {
1328 spin_lock_irq(&phba
->hbalock
);
1329 phba
->hba_flag
&= ~DEFER_ERATT
;
1330 spin_unlock_irq(&phba
->hbalock
);
1334 /* If resets are disabled then leave the HBA alone and return */
1335 if (!phba
->cfg_enable_hba_reset
)
1338 /* Send an internal error event to mgmt application */
1339 lpfc_board_errevt_to_mgmt(phba
);
1341 if (phba
->hba_flag
& DEFER_ERATT
)
1342 lpfc_handle_deferred_eratt(phba
);
1344 if ((phba
->work_hs
& HS_FFER6
) || (phba
->work_hs
& HS_FFER8
)) {
1345 if (phba
->work_hs
& HS_FFER6
)
1346 /* Re-establishing Link */
1347 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1348 "1301 Re-establishing Link "
1349 "Data: x%x x%x x%x\n",
1350 phba
->work_hs
, phba
->work_status
[0],
1351 phba
->work_status
[1]);
1352 if (phba
->work_hs
& HS_FFER8
)
1353 /* Device Zeroization */
1354 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1355 "2861 Host Authentication device "
1356 "zeroization Data:x%x x%x x%x\n",
1357 phba
->work_hs
, phba
->work_status
[0],
1358 phba
->work_status
[1]);
1360 spin_lock_irq(&phba
->hbalock
);
1361 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1362 spin_unlock_irq(&phba
->hbalock
);
1365 * Firmware stops when it triggled erratt with HS_FFER6.
1366 * That could cause the I/Os dropped by the firmware.
1367 * Error iocb (I/O) on txcmplq and let the SCSI layer
1368 * retry it after re-establishing link.
1370 pring
= &psli
->ring
[psli
->fcp_ring
];
1371 lpfc_sli_abort_iocb_ring(phba
, pring
);
1374 * There was a firmware error. Take the hba offline and then
1375 * attempt to restart it.
1377 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1379 lpfc_sli_brdrestart(phba
);
1380 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
1381 lpfc_unblock_mgmt_io(phba
);
1384 lpfc_unblock_mgmt_io(phba
);
1385 } else if (phba
->work_hs
& HS_CRIT_TEMP
) {
1386 temperature
= readl(phba
->MBslimaddr
+ TEMPERATURE_OFFSET
);
1387 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1388 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1389 temp_event_data
.data
= (uint32_t)temperature
;
1391 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1392 "0406 Adapter maximum temperature exceeded "
1393 "(%ld), taking this port offline "
1394 "Data: x%x x%x x%x\n",
1395 temperature
, phba
->work_hs
,
1396 phba
->work_status
[0], phba
->work_status
[1]);
1398 shost
= lpfc_shost_from_vport(phba
->pport
);
1399 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1400 sizeof(temp_event_data
),
1401 (char *) &temp_event_data
,
1402 SCSI_NL_VID_TYPE_PCI
1403 | PCI_VENDOR_ID_EMULEX
);
1405 spin_lock_irq(&phba
->hbalock
);
1406 phba
->over_temp_state
= HBA_OVER_TEMP
;
1407 spin_unlock_irq(&phba
->hbalock
);
1408 lpfc_offline_eratt(phba
);
1411 /* The if clause above forces this code path when the status
1412 * failure is a value other than FFER6. Do not call the offline
1413 * twice. This is the adapter hardware error path.
1415 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1416 "0457 Adapter Hardware Error "
1417 "Data: x%x x%x x%x\n",
1419 phba
->work_status
[0], phba
->work_status
[1]);
1421 event_data
= FC_REG_DUMP_EVENT
;
1422 shost
= lpfc_shost_from_vport(vport
);
1423 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1424 sizeof(event_data
), (char *) &event_data
,
1425 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1427 lpfc_offline_eratt(phba
);
1433 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
1434 * @phba: pointer to lpfc hba data structure.
1435 * @mbx_action: flag for mailbox shutdown action.
1437 * This routine is invoked to perform an SLI4 port PCI function reset in
1438 * response to port status register polling attention. It waits for port
1439 * status register (ERR, RDY, RN) bits before proceeding with function reset.
1440 * During this process, interrupt vectors are freed and later requested
1441 * for handling possible port resource change.
1444 lpfc_sli4_port_sta_fn_reset(struct lpfc_hba
*phba
, int mbx_action
)
1450 * On error status condition, driver need to wait for port
1451 * ready before performing reset.
1453 rc
= lpfc_sli4_pdev_status_reg_wait(phba
);
1455 /* need reset: attempt for port recovery */
1456 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1457 "2887 Reset Needed: Attempting Port "
1459 lpfc_offline_prep(phba
, mbx_action
);
1461 /* release interrupt for possible resource change */
1462 lpfc_sli4_disable_intr(phba
);
1463 lpfc_sli_brdrestart(phba
);
1464 /* request and enable interrupt */
1465 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
1466 if (intr_mode
== LPFC_INTR_ERROR
) {
1467 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1468 "3175 Failed to enable interrupt\n");
1471 phba
->intr_mode
= intr_mode
;
1473 rc
= lpfc_online(phba
);
1475 lpfc_unblock_mgmt_io(phba
);
1481 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1482 * @phba: pointer to lpfc hba data structure.
1484 * This routine is invoked to handle the SLI4 HBA hardware error attention
1488 lpfc_handle_eratt_s4(struct lpfc_hba
*phba
)
1490 struct lpfc_vport
*vport
= phba
->pport
;
1491 uint32_t event_data
;
1492 struct Scsi_Host
*shost
;
1494 struct lpfc_register portstat_reg
= {0};
1495 uint32_t reg_err1
, reg_err2
;
1496 uint32_t uerrlo_reg
, uemasklo_reg
;
1497 uint32_t pci_rd_rc1
, pci_rd_rc2
;
1500 /* If the pci channel is offline, ignore possible errors, since
1501 * we cannot communicate with the pci card anyway.
1503 if (pci_channel_offline(phba
->pcidev
))
1505 /* If resets are disabled then leave the HBA alone and return */
1506 if (!phba
->cfg_enable_hba_reset
)
1509 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
1511 case LPFC_SLI_INTF_IF_TYPE_0
:
1512 pci_rd_rc1
= lpfc_readl(
1513 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
,
1515 pci_rd_rc2
= lpfc_readl(
1516 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
,
1518 /* consider PCI bus read error as pci_channel_offline */
1519 if (pci_rd_rc1
== -EIO
&& pci_rd_rc2
== -EIO
)
1521 lpfc_sli4_offline_eratt(phba
);
1523 case LPFC_SLI_INTF_IF_TYPE_2
:
1524 pci_rd_rc1
= lpfc_readl(
1525 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
1526 &portstat_reg
.word0
);
1527 /* consider PCI bus read error as pci_channel_offline */
1528 if (pci_rd_rc1
== -EIO
) {
1529 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1530 "3151 PCI bus read access failure: x%x\n",
1531 readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
));
1534 reg_err1
= readl(phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
1535 reg_err2
= readl(phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
1536 if (bf_get(lpfc_sliport_status_oti
, &portstat_reg
)) {
1537 /* TODO: Register for Overtemp async events. */
1538 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1539 "2889 Port Overtemperature event, "
1540 "taking port offline\n");
1541 spin_lock_irq(&phba
->hbalock
);
1542 phba
->over_temp_state
= HBA_OVER_TEMP
;
1543 spin_unlock_irq(&phba
->hbalock
);
1544 lpfc_sli4_offline_eratt(phba
);
1547 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1548 reg_err2
== SLIPORT_ERR2_REG_FW_RESTART
)
1549 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1550 "3143 Port Down: Firmware Restarted\n");
1551 else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1552 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1553 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1554 "3144 Port Down: Debug Dump\n");
1555 else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1556 reg_err2
== SLIPORT_ERR2_REG_FUNC_PROVISON
)
1557 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1558 "3145 Port Down: Provisioning\n");
1560 /* Check port status register for function reset */
1561 rc
= lpfc_sli4_port_sta_fn_reset(phba
, LPFC_MBX_NO_WAIT
);
1563 /* don't report event on forced debug dump */
1564 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1565 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1570 /* fall through for not able to recover */
1571 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1572 "3152 Unrecoverable error, bring the port "
1574 lpfc_sli4_offline_eratt(phba
);
1576 case LPFC_SLI_INTF_IF_TYPE_1
:
1580 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1581 "3123 Report dump event to upper layer\n");
1582 /* Send an internal error event to mgmt application */
1583 lpfc_board_errevt_to_mgmt(phba
);
1585 event_data
= FC_REG_DUMP_EVENT
;
1586 shost
= lpfc_shost_from_vport(vport
);
1587 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1588 sizeof(event_data
), (char *) &event_data
,
1589 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1593 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1594 * @phba: pointer to lpfc HBA data structure.
1596 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1597 * routine from the API jump table function pointer from the lpfc_hba struct.
1601 * Any other value - error.
1604 lpfc_handle_eratt(struct lpfc_hba
*phba
)
1606 (*phba
->lpfc_handle_eratt
)(phba
);
1610 * lpfc_handle_latt - The HBA link event handler
1611 * @phba: pointer to lpfc hba data structure.
1613 * This routine is invoked from the worker thread to handle a HBA host
1614 * attention link event.
1617 lpfc_handle_latt(struct lpfc_hba
*phba
)
1619 struct lpfc_vport
*vport
= phba
->pport
;
1620 struct lpfc_sli
*psli
= &phba
->sli
;
1622 volatile uint32_t control
;
1623 struct lpfc_dmabuf
*mp
;
1626 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1629 goto lpfc_handle_latt_err_exit
;
1632 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
1635 goto lpfc_handle_latt_free_pmb
;
1638 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
1641 goto lpfc_handle_latt_free_mp
;
1644 /* Cleanup any outstanding ELS commands */
1645 lpfc_els_flush_all_cmd(phba
);
1647 psli
->slistat
.link_event
++;
1648 lpfc_read_topology(phba
, pmb
, mp
);
1649 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
1651 /* Block ELS IOCBs until we have processed this mbox command */
1652 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
1653 rc
= lpfc_sli_issue_mbox (phba
, pmb
, MBX_NOWAIT
);
1654 if (rc
== MBX_NOT_FINISHED
) {
1656 goto lpfc_handle_latt_free_mbuf
;
1659 /* Clear Link Attention in HA REG */
1660 spin_lock_irq(&phba
->hbalock
);
1661 writel(HA_LATT
, phba
->HAregaddr
);
1662 readl(phba
->HAregaddr
); /* flush */
1663 spin_unlock_irq(&phba
->hbalock
);
1667 lpfc_handle_latt_free_mbuf
:
1668 phba
->sli
.ring
[LPFC_ELS_RING
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
1669 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1670 lpfc_handle_latt_free_mp
:
1672 lpfc_handle_latt_free_pmb
:
1673 mempool_free(pmb
, phba
->mbox_mem_pool
);
1674 lpfc_handle_latt_err_exit
:
1675 /* Enable Link attention interrupts */
1676 spin_lock_irq(&phba
->hbalock
);
1677 psli
->sli_flag
|= LPFC_PROCESS_LA
;
1678 control
= readl(phba
->HCregaddr
);
1679 control
|= HC_LAINT_ENA
;
1680 writel(control
, phba
->HCregaddr
);
1681 readl(phba
->HCregaddr
); /* flush */
1683 /* Clear Link Attention in HA REG */
1684 writel(HA_LATT
, phba
->HAregaddr
);
1685 readl(phba
->HAregaddr
); /* flush */
1686 spin_unlock_irq(&phba
->hbalock
);
1687 lpfc_linkdown(phba
);
1688 phba
->link_state
= LPFC_HBA_ERROR
;
1690 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1691 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc
);
1697 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
1698 * @phba: pointer to lpfc hba data structure.
1699 * @vpd: pointer to the vital product data.
1700 * @len: length of the vital product data in bytes.
1702 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1703 * an array of characters. In this routine, the ModelName, ProgramType, and
1704 * ModelDesc, etc. fields of the phba data structure will be populated.
1707 * 0 - pointer to the VPD passed in is NULL
1711 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
1713 uint8_t lenlo
, lenhi
;
1723 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1724 "0455 Vital Product Data: x%x x%x x%x x%x\n",
1725 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
1727 while (!finished
&& (index
< (len
- 4))) {
1728 switch (vpd
[index
]) {
1736 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1745 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1746 if (Length
> len
- index
)
1747 Length
= len
- index
;
1748 while (Length
> 0) {
1749 /* Look for Serial Number */
1750 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
1757 phba
->SerialNumber
[j
++] = vpd
[index
++];
1761 phba
->SerialNumber
[j
] = 0;
1764 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
1765 phba
->vpd_flag
|= VPD_MODEL_DESC
;
1772 phba
->ModelDesc
[j
++] = vpd
[index
++];
1776 phba
->ModelDesc
[j
] = 0;
1779 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
1780 phba
->vpd_flag
|= VPD_MODEL_NAME
;
1787 phba
->ModelName
[j
++] = vpd
[index
++];
1791 phba
->ModelName
[j
] = 0;
1794 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
1795 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
1802 phba
->ProgramType
[j
++] = vpd
[index
++];
1806 phba
->ProgramType
[j
] = 0;
1809 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
1810 phba
->vpd_flag
|= VPD_PORT
;
1817 if ((phba
->sli_rev
== LPFC_SLI_REV4
) &&
1818 (phba
->sli4_hba
.pport_name_sta
==
1819 LPFC_SLI4_PPNAME_GET
)) {
1823 phba
->Port
[j
++] = vpd
[index
++];
1827 if ((phba
->sli_rev
!= LPFC_SLI_REV4
) ||
1828 (phba
->sli4_hba
.pport_name_sta
==
1829 LPFC_SLI4_PPNAME_NON
))
1856 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
1857 * @phba: pointer to lpfc hba data structure.
1858 * @mdp: pointer to the data structure to hold the derived model name.
1859 * @descp: pointer to the data structure to hold the derived description.
1861 * This routine retrieves HBA's description based on its registered PCI device
1862 * ID. The @descp passed into this function points to an array of 256 chars. It
1863 * shall be returned with the model name, maximum speed, and the host bus type.
1864 * The @mdp passed into this function points to an array of 80 chars. When the
1865 * function returns, the @mdp will be filled with the model name.
1868 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
1871 uint16_t dev_id
= phba
->pcidev
->device
;
1874 int oneConnect
= 0; /* default is not a oneConnect */
1879 } m
= {"<Unknown>", "", ""};
1881 if (mdp
&& mdp
[0] != '\0'
1882 && descp
&& descp
[0] != '\0')
1885 if (phba
->lmt
& LMT_16Gb
)
1887 else if (phba
->lmt
& LMT_10Gb
)
1889 else if (phba
->lmt
& LMT_8Gb
)
1891 else if (phba
->lmt
& LMT_4Gb
)
1893 else if (phba
->lmt
& LMT_2Gb
)
1895 else if (phba
->lmt
& LMT_1Gb
)
1903 case PCI_DEVICE_ID_FIREFLY
:
1904 m
= (typeof(m
)){"LP6000", "PCI", "Fibre Channel Adapter"};
1906 case PCI_DEVICE_ID_SUPERFLY
:
1907 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
1908 m
= (typeof(m
)){"LP7000", "PCI",
1909 "Fibre Channel Adapter"};
1911 m
= (typeof(m
)){"LP7000E", "PCI",
1912 "Fibre Channel Adapter"};
1914 case PCI_DEVICE_ID_DRAGONFLY
:
1915 m
= (typeof(m
)){"LP8000", "PCI",
1916 "Fibre Channel Adapter"};
1918 case PCI_DEVICE_ID_CENTAUR
:
1919 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
1920 m
= (typeof(m
)){"LP9002", "PCI",
1921 "Fibre Channel Adapter"};
1923 m
= (typeof(m
)){"LP9000", "PCI",
1924 "Fibre Channel Adapter"};
1926 case PCI_DEVICE_ID_RFLY
:
1927 m
= (typeof(m
)){"LP952", "PCI",
1928 "Fibre Channel Adapter"};
1930 case PCI_DEVICE_ID_PEGASUS
:
1931 m
= (typeof(m
)){"LP9802", "PCI-X",
1932 "Fibre Channel Adapter"};
1934 case PCI_DEVICE_ID_THOR
:
1935 m
= (typeof(m
)){"LP10000", "PCI-X",
1936 "Fibre Channel Adapter"};
1938 case PCI_DEVICE_ID_VIPER
:
1939 m
= (typeof(m
)){"LPX1000", "PCI-X",
1940 "Fibre Channel Adapter"};
1942 case PCI_DEVICE_ID_PFLY
:
1943 m
= (typeof(m
)){"LP982", "PCI-X",
1944 "Fibre Channel Adapter"};
1946 case PCI_DEVICE_ID_TFLY
:
1947 m
= (typeof(m
)){"LP1050", "PCI-X",
1948 "Fibre Channel Adapter"};
1950 case PCI_DEVICE_ID_HELIOS
:
1951 m
= (typeof(m
)){"LP11000", "PCI-X2",
1952 "Fibre Channel Adapter"};
1954 case PCI_DEVICE_ID_HELIOS_SCSP
:
1955 m
= (typeof(m
)){"LP11000-SP", "PCI-X2",
1956 "Fibre Channel Adapter"};
1958 case PCI_DEVICE_ID_HELIOS_DCSP
:
1959 m
= (typeof(m
)){"LP11002-SP", "PCI-X2",
1960 "Fibre Channel Adapter"};
1962 case PCI_DEVICE_ID_NEPTUNE
:
1963 m
= (typeof(m
)){"LPe1000", "PCIe", "Fibre Channel Adapter"};
1965 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
1966 m
= (typeof(m
)){"LPe1000-SP", "PCIe", "Fibre Channel Adapter"};
1968 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
1969 m
= (typeof(m
)){"LPe1002-SP", "PCIe", "Fibre Channel Adapter"};
1971 case PCI_DEVICE_ID_BMID
:
1972 m
= (typeof(m
)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
1974 case PCI_DEVICE_ID_BSMB
:
1975 m
= (typeof(m
)){"LP111", "PCI-X2", "Fibre Channel Adapter"};
1977 case PCI_DEVICE_ID_ZEPHYR
:
1978 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
1980 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
1981 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
1983 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
1984 m
= (typeof(m
)){"LP2105", "PCIe", "FCoE Adapter"};
1987 case PCI_DEVICE_ID_ZMID
:
1988 m
= (typeof(m
)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
1990 case PCI_DEVICE_ID_ZSMB
:
1991 m
= (typeof(m
)){"LPe111", "PCIe", "Fibre Channel Adapter"};
1993 case PCI_DEVICE_ID_LP101
:
1994 m
= (typeof(m
)){"LP101", "PCI-X", "Fibre Channel Adapter"};
1996 case PCI_DEVICE_ID_LP10000S
:
1997 m
= (typeof(m
)){"LP10000-S", "PCI", "Fibre Channel Adapter"};
1999 case PCI_DEVICE_ID_LP11000S
:
2000 m
= (typeof(m
)){"LP11000-S", "PCI-X2", "Fibre Channel Adapter"};
2002 case PCI_DEVICE_ID_LPE11000S
:
2003 m
= (typeof(m
)){"LPe11000-S", "PCIe", "Fibre Channel Adapter"};
2005 case PCI_DEVICE_ID_SAT
:
2006 m
= (typeof(m
)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
2008 case PCI_DEVICE_ID_SAT_MID
:
2009 m
= (typeof(m
)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
2011 case PCI_DEVICE_ID_SAT_SMB
:
2012 m
= (typeof(m
)){"LPe121", "PCIe", "Fibre Channel Adapter"};
2014 case PCI_DEVICE_ID_SAT_DCSP
:
2015 m
= (typeof(m
)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
2017 case PCI_DEVICE_ID_SAT_SCSP
:
2018 m
= (typeof(m
)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
2020 case PCI_DEVICE_ID_SAT_S
:
2021 m
= (typeof(m
)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
2023 case PCI_DEVICE_ID_HORNET
:
2024 m
= (typeof(m
)){"LP21000", "PCIe", "FCoE Adapter"};
2027 case PCI_DEVICE_ID_PROTEUS_VF
:
2028 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2029 "Fibre Channel Adapter"};
2031 case PCI_DEVICE_ID_PROTEUS_PF
:
2032 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2033 "Fibre Channel Adapter"};
2035 case PCI_DEVICE_ID_PROTEUS_S
:
2036 m
= (typeof(m
)){"LPemv12002-S", "PCIe IOV",
2037 "Fibre Channel Adapter"};
2039 case PCI_DEVICE_ID_TIGERSHARK
:
2041 m
= (typeof(m
)){"OCe10100", "PCIe", "FCoE"};
2043 case PCI_DEVICE_ID_TOMCAT
:
2045 m
= (typeof(m
)){"OCe11100", "PCIe", "FCoE"};
2047 case PCI_DEVICE_ID_FALCON
:
2048 m
= (typeof(m
)){"LPSe12002-ML1-E", "PCIe",
2049 "EmulexSecure Fibre"};
2051 case PCI_DEVICE_ID_BALIUS
:
2052 m
= (typeof(m
)){"LPVe12002", "PCIe Shared I/O",
2053 "Fibre Channel Adapter"};
2055 case PCI_DEVICE_ID_LANCER_FC
:
2056 case PCI_DEVICE_ID_LANCER_FC_VF
:
2057 m
= (typeof(m
)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
2059 case PCI_DEVICE_ID_LANCER_FCOE
:
2060 case PCI_DEVICE_ID_LANCER_FCOE_VF
:
2062 m
= (typeof(m
)){"OCe15100", "PCIe", "FCoE"};
2064 case PCI_DEVICE_ID_SKYHAWK
:
2065 case PCI_DEVICE_ID_SKYHAWK_VF
:
2067 m
= (typeof(m
)){"OCe14000", "PCIe", "FCoE"};
2070 m
= (typeof(m
)){"Unknown", "", ""};
2074 if (mdp
&& mdp
[0] == '\0')
2075 snprintf(mdp
, 79,"%s", m
.name
);
2077 * oneConnect hba requires special processing, they are all initiators
2078 * and we put the port number on the end
2080 if (descp
&& descp
[0] == '\0') {
2082 snprintf(descp
, 255,
2083 "Emulex OneConnect %s, %s Initiator %s",
2086 else if (max_speed
== 0)
2087 snprintf(descp
, 255,
2089 m
.name
, m
.bus
, m
.function
);
2091 snprintf(descp
, 255,
2092 "Emulex %s %d%s %s %s",
2093 m
.name
, max_speed
, (GE
) ? "GE" : "Gb",
2099 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
2100 * @phba: pointer to lpfc hba data structure.
2101 * @pring: pointer to a IOCB ring.
2102 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2104 * This routine posts a given number of IOCBs with the associated DMA buffer
2105 * descriptors specified by the cnt argument to the given IOCB ring.
2108 * The number of IOCBs NOT able to be posted to the IOCB ring.
2111 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
)
2114 struct lpfc_iocbq
*iocb
;
2115 struct lpfc_dmabuf
*mp1
, *mp2
;
2117 cnt
+= pring
->missbufcnt
;
2119 /* While there are buffers to post */
2121 /* Allocate buffer for command iocb */
2122 iocb
= lpfc_sli_get_iocbq(phba
);
2124 pring
->missbufcnt
= cnt
;
2129 /* 2 buffers can be posted per command */
2130 /* Allocate buffer to post */
2131 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2133 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
2134 if (!mp1
|| !mp1
->virt
) {
2136 lpfc_sli_release_iocbq(phba
, iocb
);
2137 pring
->missbufcnt
= cnt
;
2141 INIT_LIST_HEAD(&mp1
->list
);
2142 /* Allocate buffer to post */
2144 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2146 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
2148 if (!mp2
|| !mp2
->virt
) {
2150 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2152 lpfc_sli_release_iocbq(phba
, iocb
);
2153 pring
->missbufcnt
= cnt
;
2157 INIT_LIST_HEAD(&mp2
->list
);
2162 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
2163 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
2164 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
2165 icmd
->ulpBdeCount
= 1;
2168 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
2169 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
2170 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
2172 icmd
->ulpBdeCount
= 2;
2175 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
2178 if (lpfc_sli_issue_iocb(phba
, pring
->ringno
, iocb
, 0) ==
2180 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2184 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
2188 lpfc_sli_release_iocbq(phba
, iocb
);
2189 pring
->missbufcnt
= cnt
;
2192 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
2194 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
2196 pring
->missbufcnt
= 0;
2201 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
2202 * @phba: pointer to lpfc hba data structure.
2204 * This routine posts initial receive IOCB buffers to the ELS ring. The
2205 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2209 * 0 - success (currently always success)
2212 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
2214 struct lpfc_sli
*psli
= &phba
->sli
;
2216 /* Ring 0, ELS / CT buffers */
2217 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
);
2218 /* Ring 2 - FCP no buffers needed */
2223 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2226 * lpfc_sha_init - Set up initial array of hash table entries
2227 * @HashResultPointer: pointer to an array as hash table.
2229 * This routine sets up the initial values to the array of hash table entries
2233 lpfc_sha_init(uint32_t * HashResultPointer
)
2235 HashResultPointer
[0] = 0x67452301;
2236 HashResultPointer
[1] = 0xEFCDAB89;
2237 HashResultPointer
[2] = 0x98BADCFE;
2238 HashResultPointer
[3] = 0x10325476;
2239 HashResultPointer
[4] = 0xC3D2E1F0;
2243 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
2244 * @HashResultPointer: pointer to an initial/result hash table.
2245 * @HashWorkingPointer: pointer to an working hash table.
2247 * This routine iterates an initial hash table pointed by @HashResultPointer
2248 * with the values from the working hash table pointeed by @HashWorkingPointer.
2249 * The results are putting back to the initial hash table, returned through
2250 * the @HashResultPointer as the result hash table.
2253 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
2257 uint32_t A
, B
, C
, D
, E
;
2260 HashWorkingPointer
[t
] =
2262 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
2264 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
2265 } while (++t
<= 79);
2267 A
= HashResultPointer
[0];
2268 B
= HashResultPointer
[1];
2269 C
= HashResultPointer
[2];
2270 D
= HashResultPointer
[3];
2271 E
= HashResultPointer
[4];
2275 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
2276 } else if (t
< 40) {
2277 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
2278 } else if (t
< 60) {
2279 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
2281 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
2283 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
2289 } while (++t
<= 79);
2291 HashResultPointer
[0] += A
;
2292 HashResultPointer
[1] += B
;
2293 HashResultPointer
[2] += C
;
2294 HashResultPointer
[3] += D
;
2295 HashResultPointer
[4] += E
;
2300 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
2301 * @RandomChallenge: pointer to the entry of host challenge random number array.
2302 * @HashWorking: pointer to the entry of the working hash array.
2304 * This routine calculates the working hash array referred by @HashWorking
2305 * from the challenge random numbers associated with the host, referred by
2306 * @RandomChallenge. The result is put into the entry of the working hash
2307 * array and returned by reference through @HashWorking.
2310 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
2312 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
2316 * lpfc_hba_init - Perform special handling for LC HBA initialization
2317 * @phba: pointer to lpfc hba data structure.
2318 * @hbainit: pointer to an array of unsigned 32-bit integers.
2320 * This routine performs the special handling for LC HBA initialization.
2323 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
2326 uint32_t *HashWorking
;
2327 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
2329 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
2333 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
2334 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
2336 for (t
= 0; t
< 7; t
++)
2337 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
2339 lpfc_sha_init(hbainit
);
2340 lpfc_sha_iterate(hbainit
, HashWorking
);
2345 * lpfc_cleanup - Performs vport cleanups before deleting a vport
2346 * @vport: pointer to a virtual N_Port data structure.
2348 * This routine performs the necessary cleanups before deleting the @vport.
2349 * It invokes the discovery state machine to perform necessary state
2350 * transitions and to release the ndlps associated with the @vport. Note,
2351 * the physical port is treated as @vport 0.
2354 lpfc_cleanup(struct lpfc_vport
*vport
)
2356 struct lpfc_hba
*phba
= vport
->phba
;
2357 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2360 if (phba
->link_state
> LPFC_LINK_DOWN
)
2361 lpfc_port_link_failure(vport
);
2363 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
2364 if (!NLP_CHK_NODE_ACT(ndlp
)) {
2365 ndlp
= lpfc_enable_node(vport
, ndlp
,
2366 NLP_STE_UNUSED_NODE
);
2369 spin_lock_irq(&phba
->ndlp_lock
);
2370 NLP_SET_FREE_REQ(ndlp
);
2371 spin_unlock_irq(&phba
->ndlp_lock
);
2372 /* Trigger the release of the ndlp memory */
2376 spin_lock_irq(&phba
->ndlp_lock
);
2377 if (NLP_CHK_FREE_REQ(ndlp
)) {
2378 /* The ndlp should not be in memory free mode already */
2379 spin_unlock_irq(&phba
->ndlp_lock
);
2382 /* Indicate request for freeing ndlp memory */
2383 NLP_SET_FREE_REQ(ndlp
);
2384 spin_unlock_irq(&phba
->ndlp_lock
);
2386 if (vport
->port_type
!= LPFC_PHYSICAL_PORT
&&
2387 ndlp
->nlp_DID
== Fabric_DID
) {
2388 /* Just free up ndlp with Fabric_DID for vports */
2393 /* take care of nodes in unused state before the state
2394 * machine taking action.
2396 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
) {
2401 if (ndlp
->nlp_type
& NLP_FABRIC
)
2402 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2403 NLP_EVT_DEVICE_RECOVERY
);
2405 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2409 /* At this point, ALL ndlp's should be gone
2410 * because of the previous NLP_EVT_DEVICE_RM.
2411 * Lets wait for this to happen, if needed.
2413 while (!list_empty(&vport
->fc_nodes
)) {
2415 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
2416 "0233 Nodelist not empty\n");
2417 list_for_each_entry_safe(ndlp
, next_ndlp
,
2418 &vport
->fc_nodes
, nlp_listp
) {
2419 lpfc_printf_vlog(ndlp
->vport
, KERN_ERR
,
2421 "0282 did:x%x ndlp:x%p "
2422 "usgmap:x%x refcnt:%d\n",
2423 ndlp
->nlp_DID
, (void *)ndlp
,
2426 &ndlp
->kref
.refcount
));
2431 /* Wait for any activity on ndlps to settle */
2434 lpfc_cleanup_vports_rrqs(vport
, NULL
);
2438 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2439 * @vport: pointer to a virtual N_Port data structure.
2441 * This routine stops all the timers associated with a @vport. This function
2442 * is invoked before disabling or deleting a @vport. Note that the physical
2443 * port is treated as @vport 0.
2446 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
2448 del_timer_sync(&vport
->els_tmofunc
);
2449 del_timer_sync(&vport
->fc_fdmitmo
);
2450 del_timer_sync(&vport
->delayed_disc_tmo
);
2451 lpfc_can_disctmo(vport
);
2456 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2457 * @phba: pointer to lpfc hba data structure.
2459 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2460 * caller of this routine should already hold the host lock.
2463 __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2465 /* Clear pending FCF rediscovery wait flag */
2466 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
2468 /* Now, try to stop the timer */
2469 del_timer(&phba
->fcf
.redisc_wait
);
2473 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2474 * @phba: pointer to lpfc hba data structure.
2476 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2477 * checks whether the FCF rediscovery wait timer is pending with the host
2478 * lock held before proceeding with disabling the timer and clearing the
2479 * wait timer pendig flag.
2482 lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2484 spin_lock_irq(&phba
->hbalock
);
2485 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
2486 /* FCF rediscovery timer already fired or stopped */
2487 spin_unlock_irq(&phba
->hbalock
);
2490 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2491 /* Clear failover in progress flags */
2492 phba
->fcf
.fcf_flag
&= ~(FCF_DEAD_DISC
| FCF_ACVL_DISC
);
2493 spin_unlock_irq(&phba
->hbalock
);
2497 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2498 * @phba: pointer to lpfc hba data structure.
2500 * This routine stops all the timers associated with a HBA. This function is
2501 * invoked before either putting a HBA offline or unloading the driver.
2504 lpfc_stop_hba_timers(struct lpfc_hba
*phba
)
2506 lpfc_stop_vport_timers(phba
->pport
);
2507 del_timer_sync(&phba
->sli
.mbox_tmo
);
2508 del_timer_sync(&phba
->fabric_block_timer
);
2509 del_timer_sync(&phba
->eratt_poll
);
2510 del_timer_sync(&phba
->hb_tmofunc
);
2511 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2512 del_timer_sync(&phba
->rrq_tmr
);
2513 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
2515 phba
->hb_outstanding
= 0;
2517 switch (phba
->pci_dev_grp
) {
2518 case LPFC_PCI_DEV_LP
:
2519 /* Stop any LightPulse device specific driver timers */
2520 del_timer_sync(&phba
->fcp_poll_timer
);
2522 case LPFC_PCI_DEV_OC
:
2523 /* Stop any OneConnect device sepcific driver timers */
2524 lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2527 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2528 "0297 Invalid device group (x%x)\n",
2536 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2537 * @phba: pointer to lpfc hba data structure.
2539 * This routine marks a HBA's management interface as blocked. Once the HBA's
2540 * management interface is marked as blocked, all the user space access to
2541 * the HBA, whether they are from sysfs interface or libdfc interface will
2542 * all be blocked. The HBA is set to block the management interface when the
2543 * driver prepares the HBA interface for online or offline.
2546 lpfc_block_mgmt_io(struct lpfc_hba
*phba
, int mbx_action
)
2548 unsigned long iflag
;
2549 uint8_t actcmd
= MBX_HEARTBEAT
;
2550 unsigned long timeout
;
2552 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2553 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
2554 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2555 if (mbx_action
== LPFC_MBX_NO_WAIT
)
2557 timeout
= msecs_to_jiffies(LPFC_MBOX_TMO
* 1000) + jiffies
;
2558 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2559 if (phba
->sli
.mbox_active
) {
2560 actcmd
= phba
->sli
.mbox_active
->u
.mb
.mbxCommand
;
2561 /* Determine how long we might wait for the active mailbox
2562 * command to be gracefully completed by firmware.
2564 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
,
2565 phba
->sli
.mbox_active
) * 1000) + jiffies
;
2567 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2569 /* Wait for the outstnading mailbox command to complete */
2570 while (phba
->sli
.mbox_active
) {
2571 /* Check active mailbox complete status every 2ms */
2573 if (time_after(jiffies
, timeout
)) {
2574 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2575 "2813 Mgmt IO is Blocked %x "
2576 "- mbox cmd %x still active\n",
2577 phba
->sli
.sli_flag
, actcmd
);
2584 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
2585 * @phba: pointer to lpfc hba data structure.
2587 * Allocate RPIs for all active remote nodes. This is needed whenever
2588 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
2589 * is to fixup the temporary rpi assignments.
2592 lpfc_sli4_node_prep(struct lpfc_hba
*phba
)
2594 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2595 struct lpfc_vport
**vports
;
2598 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
2601 vports
= lpfc_create_vport_work_array(phba
);
2602 if (vports
!= NULL
) {
2603 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2604 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2607 list_for_each_entry_safe(ndlp
, next_ndlp
,
2608 &vports
[i
]->fc_nodes
,
2610 if (NLP_CHK_NODE_ACT(ndlp
))
2612 lpfc_sli4_alloc_rpi(phba
);
2616 lpfc_destroy_vport_work_array(phba
, vports
);
2620 * lpfc_online - Initialize and bring a HBA online
2621 * @phba: pointer to lpfc hba data structure.
2623 * This routine initializes the HBA and brings a HBA online. During this
2624 * process, the management interface is blocked to prevent user space access
2625 * to the HBA interfering with the driver initialization.
2632 lpfc_online(struct lpfc_hba
*phba
)
2634 struct lpfc_vport
*vport
;
2635 struct lpfc_vport
**vports
;
2640 vport
= phba
->pport
;
2642 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
2645 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2646 "0458 Bring Adapter online\n");
2648 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
2650 if (!lpfc_sli_queue_setup(phba
)) {
2651 lpfc_unblock_mgmt_io(phba
);
2655 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2656 if (lpfc_sli4_hba_setup(phba
)) { /* Initialize SLI4 HBA */
2657 lpfc_unblock_mgmt_io(phba
);
2661 if (lpfc_sli_hba_setup(phba
)) { /* Initialize SLI2/SLI3 HBA */
2662 lpfc_unblock_mgmt_io(phba
);
2667 vports
= lpfc_create_vport_work_array(phba
);
2669 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2670 struct Scsi_Host
*shost
;
2671 shost
= lpfc_shost_from_vport(vports
[i
]);
2672 spin_lock_irq(shost
->host_lock
);
2673 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
2674 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
2675 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2676 if (phba
->sli_rev
== LPFC_SLI_REV4
)
2677 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
2678 spin_unlock_irq(shost
->host_lock
);
2680 lpfc_destroy_vport_work_array(phba
, vports
);
2682 lpfc_unblock_mgmt_io(phba
);
2687 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
2688 * @phba: pointer to lpfc hba data structure.
2690 * This routine marks a HBA's management interface as not blocked. Once the
2691 * HBA's management interface is marked as not blocked, all the user space
2692 * access to the HBA, whether they are from sysfs interface or libdfc
2693 * interface will be allowed. The HBA is set to block the management interface
2694 * when the driver prepares the HBA interface for online or offline and then
2695 * set to unblock the management interface afterwards.
2698 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
2700 unsigned long iflag
;
2702 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2703 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
2704 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2708 * lpfc_offline_prep - Prepare a HBA to be brought offline
2709 * @phba: pointer to lpfc hba data structure.
2711 * This routine is invoked to prepare a HBA to be brought offline. It performs
2712 * unregistration login to all the nodes on all vports and flushes the mailbox
2713 * queue to make it ready to be brought offline.
2716 lpfc_offline_prep(struct lpfc_hba
*phba
, int mbx_action
)
2718 struct lpfc_vport
*vport
= phba
->pport
;
2719 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2720 struct lpfc_vport
**vports
;
2721 struct Scsi_Host
*shost
;
2724 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
2727 lpfc_block_mgmt_io(phba
, mbx_action
);
2729 lpfc_linkdown(phba
);
2731 /* Issue an unreg_login to all nodes on all vports */
2732 vports
= lpfc_create_vport_work_array(phba
);
2733 if (vports
!= NULL
) {
2734 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2735 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2737 shost
= lpfc_shost_from_vport(vports
[i
]);
2738 spin_lock_irq(shost
->host_lock
);
2739 vports
[i
]->vpi_state
&= ~LPFC_VPI_REGISTERED
;
2740 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2741 vports
[i
]->fc_flag
&= ~FC_VFI_REGISTERED
;
2742 spin_unlock_irq(shost
->host_lock
);
2744 shost
= lpfc_shost_from_vport(vports
[i
]);
2745 list_for_each_entry_safe(ndlp
, next_ndlp
,
2746 &vports
[i
]->fc_nodes
,
2748 if (!NLP_CHK_NODE_ACT(ndlp
))
2750 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
2752 if (ndlp
->nlp_type
& NLP_FABRIC
) {
2753 lpfc_disc_state_machine(vports
[i
], ndlp
,
2754 NULL
, NLP_EVT_DEVICE_RECOVERY
);
2755 lpfc_disc_state_machine(vports
[i
], ndlp
,
2756 NULL
, NLP_EVT_DEVICE_RM
);
2758 spin_lock_irq(shost
->host_lock
);
2759 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
2760 spin_unlock_irq(shost
->host_lock
);
2762 * Whenever an SLI4 port goes offline, free the
2763 * RPI. Get a new RPI when the adapter port
2764 * comes back online.
2766 if (phba
->sli_rev
== LPFC_SLI_REV4
)
2767 lpfc_sli4_free_rpi(phba
, ndlp
->nlp_rpi
);
2768 lpfc_unreg_rpi(vports
[i
], ndlp
);
2772 lpfc_destroy_vport_work_array(phba
, vports
);
2774 lpfc_sli_mbox_sys_shutdown(phba
, mbx_action
);
2778 * lpfc_offline - Bring a HBA offline
2779 * @phba: pointer to lpfc hba data structure.
2781 * This routine actually brings a HBA offline. It stops all the timers
2782 * associated with the HBA, brings down the SLI layer, and eventually
2783 * marks the HBA as in offline state for the upper layer protocol.
2786 lpfc_offline(struct lpfc_hba
*phba
)
2788 struct Scsi_Host
*shost
;
2789 struct lpfc_vport
**vports
;
2792 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
2795 /* stop port and all timers associated with this hba */
2796 lpfc_stop_port(phba
);
2797 vports
= lpfc_create_vport_work_array(phba
);
2799 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
2800 lpfc_stop_vport_timers(vports
[i
]);
2801 lpfc_destroy_vport_work_array(phba
, vports
);
2802 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2803 "0460 Bring Adapter offline\n");
2804 /* Bring down the SLI Layer and cleanup. The HBA is offline
2806 lpfc_sli_hba_down(phba
);
2807 spin_lock_irq(&phba
->hbalock
);
2809 spin_unlock_irq(&phba
->hbalock
);
2810 vports
= lpfc_create_vport_work_array(phba
);
2812 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2813 shost
= lpfc_shost_from_vport(vports
[i
]);
2814 spin_lock_irq(shost
->host_lock
);
2815 vports
[i
]->work_port_events
= 0;
2816 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
2817 spin_unlock_irq(shost
->host_lock
);
2819 lpfc_destroy_vport_work_array(phba
, vports
);
2823 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
2824 * @phba: pointer to lpfc hba data structure.
2826 * This routine is to free all the SCSI buffers and IOCBs from the driver
2827 * list back to kernel. It is called from lpfc_pci_remove_one to free
2828 * the internal resources before the device is removed from the system.
2831 lpfc_scsi_free(struct lpfc_hba
*phba
)
2833 struct lpfc_scsi_buf
*sb
, *sb_next
;
2834 struct lpfc_iocbq
*io
, *io_next
;
2836 spin_lock_irq(&phba
->hbalock
);
2837 /* Release all the lpfc_scsi_bufs maintained by this host. */
2838 spin_lock(&phba
->scsi_buf_list_lock
);
2839 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
) {
2840 list_del(&sb
->list
);
2841 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
2844 phba
->total_scsi_bufs
--;
2846 spin_unlock(&phba
->scsi_buf_list_lock
);
2848 /* Release all the lpfc_iocbq entries maintained by this host. */
2849 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
2850 list_del(&io
->list
);
2852 phba
->total_iocbq_bufs
--;
2855 spin_unlock_irq(&phba
->hbalock
);
2859 * lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping
2860 * @phba: pointer to lpfc hba data structure.
2862 * This routine first calculates the sizes of the current els and allocated
2863 * scsi sgl lists, and then goes through all sgls to updates the physical
2864 * XRIs assigned due to port function reset. During port initialization, the
2865 * current els and allocated scsi sgl lists are 0s.
2868 * 0 - successful (for now, it always returns 0)
2871 lpfc_sli4_xri_sgl_update(struct lpfc_hba
*phba
)
2873 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_entry_next
= NULL
;
2874 struct lpfc_scsi_buf
*psb
= NULL
, *psb_next
= NULL
;
2875 uint16_t i
, lxri
, xri_cnt
, els_xri_cnt
, scsi_xri_cnt
;
2876 LIST_HEAD(els_sgl_list
);
2877 LIST_HEAD(scsi_sgl_list
);
2881 * update on pci function's els xri-sgl list
2883 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
2884 if (els_xri_cnt
> phba
->sli4_hba
.els_xri_cnt
) {
2885 /* els xri-sgl expanded */
2886 xri_cnt
= els_xri_cnt
- phba
->sli4_hba
.els_xri_cnt
;
2887 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
2888 "3157 ELS xri-sgl count increased from "
2889 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
2891 /* allocate the additional els sgls */
2892 for (i
= 0; i
< xri_cnt
; i
++) {
2893 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
),
2895 if (sglq_entry
== NULL
) {
2896 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2897 "2562 Failure to allocate an "
2898 "ELS sgl entry:%d\n", i
);
2902 sglq_entry
->buff_type
= GEN_BUFF_TYPE
;
2903 sglq_entry
->virt
= lpfc_mbuf_alloc(phba
, 0,
2905 if (sglq_entry
->virt
== NULL
) {
2907 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2908 "2563 Failure to allocate an "
2909 "ELS mbuf:%d\n", i
);
2913 sglq_entry
->sgl
= sglq_entry
->virt
;
2914 memset(sglq_entry
->sgl
, 0, LPFC_BPL_SIZE
);
2915 sglq_entry
->state
= SGL_FREED
;
2916 list_add_tail(&sglq_entry
->list
, &els_sgl_list
);
2918 spin_lock(&phba
->hbalock
);
2919 list_splice_init(&els_sgl_list
, &phba
->sli4_hba
.lpfc_sgl_list
);
2920 spin_unlock(&phba
->hbalock
);
2921 } else if (els_xri_cnt
< phba
->sli4_hba
.els_xri_cnt
) {
2922 /* els xri-sgl shrinked */
2923 xri_cnt
= phba
->sli4_hba
.els_xri_cnt
- els_xri_cnt
;
2924 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
2925 "3158 ELS xri-sgl count decreased from "
2926 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
2928 spin_lock_irq(&phba
->hbalock
);
2929 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &els_sgl_list
);
2930 spin_unlock_irq(&phba
->hbalock
);
2931 /* release extra els sgls from list */
2932 for (i
= 0; i
< xri_cnt
; i
++) {
2933 list_remove_head(&els_sgl_list
,
2934 sglq_entry
, struct lpfc_sglq
, list
);
2936 lpfc_mbuf_free(phba
, sglq_entry
->virt
,
2941 spin_lock_irq(&phba
->hbalock
);
2942 list_splice_init(&els_sgl_list
, &phba
->sli4_hba
.lpfc_sgl_list
);
2943 spin_unlock_irq(&phba
->hbalock
);
2945 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
2946 "3163 ELS xri-sgl count unchanged: %d\n",
2948 phba
->sli4_hba
.els_xri_cnt
= els_xri_cnt
;
2950 /* update xris to els sgls on the list */
2952 sglq_entry_next
= NULL
;
2953 list_for_each_entry_safe(sglq_entry
, sglq_entry_next
,
2954 &phba
->sli4_hba
.lpfc_sgl_list
, list
) {
2955 lxri
= lpfc_sli4_next_xritag(phba
);
2956 if (lxri
== NO_XRI
) {
2957 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2958 "2400 Failed to allocate xri for "
2963 sglq_entry
->sli4_lxritag
= lxri
;
2964 sglq_entry
->sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
2968 * update on pci function's allocated scsi xri-sgl list
2970 phba
->total_scsi_bufs
= 0;
2972 /* maximum number of xris available for scsi buffers */
2973 phba
->sli4_hba
.scsi_xri_max
= phba
->sli4_hba
.max_cfg_param
.max_xri
-
2976 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
2977 "2401 Current allocated SCSI xri-sgl count:%d, "
2978 "maximum SCSI xri count:%d\n",
2979 phba
->sli4_hba
.scsi_xri_cnt
,
2980 phba
->sli4_hba
.scsi_xri_max
);
2982 spin_lock_irq(&phba
->scsi_buf_list_lock
);
2983 list_splice_init(&phba
->lpfc_scsi_buf_list
, &scsi_sgl_list
);
2984 spin_unlock_irq(&phba
->scsi_buf_list_lock
);
2986 if (phba
->sli4_hba
.scsi_xri_cnt
> phba
->sli4_hba
.scsi_xri_max
) {
2987 /* max scsi xri shrinked below the allocated scsi buffers */
2988 scsi_xri_cnt
= phba
->sli4_hba
.scsi_xri_cnt
-
2989 phba
->sli4_hba
.scsi_xri_max
;
2990 /* release the extra allocated scsi buffers */
2991 for (i
= 0; i
< scsi_xri_cnt
; i
++) {
2992 list_remove_head(&scsi_sgl_list
, psb
,
2993 struct lpfc_scsi_buf
, list
);
2994 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, psb
->data
,
2998 spin_lock_irq(&phba
->scsi_buf_list_lock
);
2999 phba
->sli4_hba
.scsi_xri_cnt
-= scsi_xri_cnt
;
3000 spin_unlock_irq(&phba
->scsi_buf_list_lock
);
3003 /* update xris associated to remaining allocated scsi buffers */
3006 list_for_each_entry_safe(psb
, psb_next
, &scsi_sgl_list
, list
) {
3007 lxri
= lpfc_sli4_next_xritag(phba
);
3008 if (lxri
== NO_XRI
) {
3009 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3010 "2560 Failed to allocate xri for "
3015 psb
->cur_iocbq
.sli4_lxritag
= lxri
;
3016 psb
->cur_iocbq
.sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3018 spin_lock(&phba
->scsi_buf_list_lock
);
3019 list_splice_init(&scsi_sgl_list
, &phba
->lpfc_scsi_buf_list
);
3020 spin_unlock(&phba
->scsi_buf_list_lock
);
3025 lpfc_free_els_sgl_list(phba
);
3026 lpfc_scsi_free(phba
);
3031 * lpfc_create_port - Create an FC port
3032 * @phba: pointer to lpfc hba data structure.
3033 * @instance: a unique integer ID to this FC port.
3034 * @dev: pointer to the device data structure.
3036 * This routine creates a FC port for the upper layer protocol. The FC port
3037 * can be created on top of either a physical port or a virtual port provided
3038 * by the HBA. This routine also allocates a SCSI host data structure (shost)
3039 * and associates the FC port created before adding the shost into the SCSI
3043 * @vport - pointer to the virtual N_Port data structure.
3044 * NULL - port create failed.
3047 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
3049 struct lpfc_vport
*vport
;
3050 struct Scsi_Host
*shost
;
3053 if (dev
!= &phba
->pcidev
->dev
)
3054 shost
= scsi_host_alloc(&lpfc_vport_template
,
3055 sizeof(struct lpfc_vport
));
3057 shost
= scsi_host_alloc(&lpfc_template
,
3058 sizeof(struct lpfc_vport
));
3062 vport
= (struct lpfc_vport
*) shost
->hostdata
;
3064 vport
->load_flag
|= FC_LOADING
;
3065 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
3066 vport
->fc_rscn_flush
= 0;
3068 lpfc_get_vport_cfgparam(vport
);
3069 shost
->unique_id
= instance
;
3070 shost
->max_id
= LPFC_MAX_TARGET
;
3071 shost
->max_lun
= vport
->cfg_max_luns
;
3072 shost
->this_id
= -1;
3073 shost
->max_cmd_len
= 16;
3074 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
3075 shost
->dma_boundary
=
3076 phba
->sli4_hba
.pc_sli4_params
.sge_supp_len
-1;
3077 shost
->sg_tablesize
= phba
->cfg_sg_seg_cnt
;
3081 * Set initial can_queue value since 0 is no longer supported and
3082 * scsi_add_host will fail. This will be adjusted later based on the
3083 * max xri value determined in hba setup.
3085 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
3086 if (dev
!= &phba
->pcidev
->dev
) {
3087 shost
->transportt
= lpfc_vport_transport_template
;
3088 vport
->port_type
= LPFC_NPIV_PORT
;
3090 shost
->transportt
= lpfc_transport_template
;
3091 vport
->port_type
= LPFC_PHYSICAL_PORT
;
3094 /* Initialize all internally managed lists. */
3095 INIT_LIST_HEAD(&vport
->fc_nodes
);
3096 INIT_LIST_HEAD(&vport
->rcv_buffer_list
);
3097 spin_lock_init(&vport
->work_port_lock
);
3099 init_timer(&vport
->fc_disctmo
);
3100 vport
->fc_disctmo
.function
= lpfc_disc_timeout
;
3101 vport
->fc_disctmo
.data
= (unsigned long)vport
;
3103 init_timer(&vport
->fc_fdmitmo
);
3104 vport
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
3105 vport
->fc_fdmitmo
.data
= (unsigned long)vport
;
3107 init_timer(&vport
->els_tmofunc
);
3108 vport
->els_tmofunc
.function
= lpfc_els_timeout
;
3109 vport
->els_tmofunc
.data
= (unsigned long)vport
;
3111 init_timer(&vport
->delayed_disc_tmo
);
3112 vport
->delayed_disc_tmo
.function
= lpfc_delayed_disc_tmo
;
3113 vport
->delayed_disc_tmo
.data
= (unsigned long)vport
;
3115 error
= scsi_add_host_with_dma(shost
, dev
, &phba
->pcidev
->dev
);
3119 spin_lock_irq(&phba
->hbalock
);
3120 list_add_tail(&vport
->listentry
, &phba
->port_list
);
3121 spin_unlock_irq(&phba
->hbalock
);
3125 scsi_host_put(shost
);
3131 * destroy_port - destroy an FC port
3132 * @vport: pointer to an lpfc virtual N_Port data structure.
3134 * This routine destroys a FC port from the upper layer protocol. All the
3135 * resources associated with the port are released.
3138 destroy_port(struct lpfc_vport
*vport
)
3140 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3141 struct lpfc_hba
*phba
= vport
->phba
;
3143 lpfc_debugfs_terminate(vport
);
3144 fc_remove_host(shost
);
3145 scsi_remove_host(shost
);
3147 spin_lock_irq(&phba
->hbalock
);
3148 list_del_init(&vport
->listentry
);
3149 spin_unlock_irq(&phba
->hbalock
);
3151 lpfc_cleanup(vport
);
3156 * lpfc_get_instance - Get a unique integer ID
3158 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
3159 * uses the kernel idr facility to perform the task.
3162 * instance - a unique integer ID allocated as the new instance.
3163 * -1 - lpfc get instance failed.
3166 lpfc_get_instance(void)
3170 ret
= idr_alloc(&lpfc_hba_index
, NULL
, 0, 0, GFP_KERNEL
);
3171 return ret
< 0 ? -1 : ret
;
3175 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
3176 * @shost: pointer to SCSI host data structure.
3177 * @time: elapsed time of the scan in jiffies.
3179 * This routine is called by the SCSI layer with a SCSI host to determine
3180 * whether the scan host is finished.
3182 * Note: there is no scan_start function as adapter initialization will have
3183 * asynchronously kicked off the link initialization.
3186 * 0 - SCSI host scan is not over yet.
3187 * 1 - SCSI host scan is over.
3189 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
3191 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3192 struct lpfc_hba
*phba
= vport
->phba
;
3195 spin_lock_irq(shost
->host_lock
);
3197 if (vport
->load_flag
& FC_UNLOADING
) {
3201 if (time
>= 30 * HZ
) {
3202 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3203 "0461 Scanning longer than 30 "
3204 "seconds. Continuing initialization\n");
3208 if (time
>= 15 * HZ
&& phba
->link_state
<= LPFC_LINK_DOWN
) {
3209 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3210 "0465 Link down longer than 15 "
3211 "seconds. Continuing initialization\n");
3216 if (vport
->port_state
!= LPFC_VPORT_READY
)
3218 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
3220 if (vport
->fc_map_cnt
== 0 && time
< 2 * HZ
)
3222 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
3228 spin_unlock_irq(shost
->host_lock
);
3233 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
3234 * @shost: pointer to SCSI host data structure.
3236 * This routine initializes a given SCSI host attributes on a FC port. The
3237 * SCSI host can be either on top of a physical port or a virtual port.
3239 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
3241 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3242 struct lpfc_hba
*phba
= vport
->phba
;
3244 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
3247 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
3248 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
3249 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
3251 memset(fc_host_supported_fc4s(shost
), 0,
3252 sizeof(fc_host_supported_fc4s(shost
)));
3253 fc_host_supported_fc4s(shost
)[2] = 1;
3254 fc_host_supported_fc4s(shost
)[7] = 1;
3256 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
3257 sizeof fc_host_symbolic_name(shost
));
3259 fc_host_supported_speeds(shost
) = 0;
3260 if (phba
->lmt
& LMT_16Gb
)
3261 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_16GBIT
;
3262 if (phba
->lmt
& LMT_10Gb
)
3263 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
3264 if (phba
->lmt
& LMT_8Gb
)
3265 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
3266 if (phba
->lmt
& LMT_4Gb
)
3267 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
3268 if (phba
->lmt
& LMT_2Gb
)
3269 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
3270 if (phba
->lmt
& LMT_1Gb
)
3271 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
3273 fc_host_maxframe_size(shost
) =
3274 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
3275 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
3277 fc_host_dev_loss_tmo(shost
) = vport
->cfg_devloss_tmo
;
3279 /* This value is also unchanging */
3280 memset(fc_host_active_fc4s(shost
), 0,
3281 sizeof(fc_host_active_fc4s(shost
)));
3282 fc_host_active_fc4s(shost
)[2] = 1;
3283 fc_host_active_fc4s(shost
)[7] = 1;
3285 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
3286 spin_lock_irq(shost
->host_lock
);
3287 vport
->load_flag
&= ~FC_LOADING
;
3288 spin_unlock_irq(shost
->host_lock
);
3292 * lpfc_stop_port_s3 - Stop SLI3 device port
3293 * @phba: pointer to lpfc hba data structure.
3295 * This routine is invoked to stop an SLI3 device port, it stops the device
3296 * from generating interrupts and stops the device driver's timers for the
3300 lpfc_stop_port_s3(struct lpfc_hba
*phba
)
3302 /* Clear all interrupt enable conditions */
3303 writel(0, phba
->HCregaddr
);
3304 readl(phba
->HCregaddr
); /* flush */
3305 /* Clear all pending interrupts */
3306 writel(0xffffffff, phba
->HAregaddr
);
3307 readl(phba
->HAregaddr
); /* flush */
3309 /* Reset some HBA SLI setup states */
3310 lpfc_stop_hba_timers(phba
);
3311 phba
->pport
->work_port_events
= 0;
3315 * lpfc_stop_port_s4 - Stop SLI4 device port
3316 * @phba: pointer to lpfc hba data structure.
3318 * This routine is invoked to stop an SLI4 device port, it stops the device
3319 * from generating interrupts and stops the device driver's timers for the
3323 lpfc_stop_port_s4(struct lpfc_hba
*phba
)
3325 /* Reset some HBA SLI4 setup states */
3326 lpfc_stop_hba_timers(phba
);
3327 phba
->pport
->work_port_events
= 0;
3328 phba
->sli4_hba
.intr_enable
= 0;
3332 * lpfc_stop_port - Wrapper function for stopping hba port
3333 * @phba: Pointer to HBA context object.
3335 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
3336 * the API jump table function pointer from the lpfc_hba struct.
3339 lpfc_stop_port(struct lpfc_hba
*phba
)
3341 phba
->lpfc_stop_port(phba
);
3345 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
3346 * @phba: Pointer to hba for which this call is being executed.
3348 * This routine starts the timer waiting for the FCF rediscovery to complete.
3351 lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba
*phba
)
3353 unsigned long fcf_redisc_wait_tmo
=
3354 (jiffies
+ msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO
));
3355 /* Start fcf rediscovery wait period timer */
3356 mod_timer(&phba
->fcf
.redisc_wait
, fcf_redisc_wait_tmo
);
3357 spin_lock_irq(&phba
->hbalock
);
3358 /* Allow action to new fcf asynchronous event */
3359 phba
->fcf
.fcf_flag
&= ~(FCF_AVAILABLE
| FCF_SCAN_DONE
);
3360 /* Mark the FCF rediscovery pending state */
3361 phba
->fcf
.fcf_flag
|= FCF_REDISC_PEND
;
3362 spin_unlock_irq(&phba
->hbalock
);
3366 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
3367 * @ptr: Map to lpfc_hba data structure pointer.
3369 * This routine is invoked when waiting for FCF table rediscover has been
3370 * timed out. If new FCF record(s) has (have) been discovered during the
3371 * wait period, a new FCF event shall be added to the FCOE async event
3372 * list, and then worker thread shall be waked up for processing from the
3373 * worker thread context.
3376 lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr
)
3378 struct lpfc_hba
*phba
= (struct lpfc_hba
*)ptr
;
3380 /* Don't send FCF rediscovery event if timer cancelled */
3381 spin_lock_irq(&phba
->hbalock
);
3382 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
3383 spin_unlock_irq(&phba
->hbalock
);
3386 /* Clear FCF rediscovery timer pending flag */
3387 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
3388 /* FCF rediscovery event to worker thread */
3389 phba
->fcf
.fcf_flag
|= FCF_REDISC_EVT
;
3390 spin_unlock_irq(&phba
->hbalock
);
3391 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
3392 "2776 FCF rediscover quiescent timer expired\n");
3393 /* wake up worker thread */
3394 lpfc_worker_wake_up(phba
);
3398 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
3399 * @phba: pointer to lpfc hba data structure.
3400 * @acqe_link: pointer to the async link completion queue entry.
3402 * This routine is to parse the SLI4 link-attention link fault code and
3403 * translate it into the base driver's read link attention mailbox command
3406 * Return: Link-attention status in terms of base driver's coding.
3409 lpfc_sli4_parse_latt_fault(struct lpfc_hba
*phba
,
3410 struct lpfc_acqe_link
*acqe_link
)
3412 uint16_t latt_fault
;
3414 switch (bf_get(lpfc_acqe_link_fault
, acqe_link
)) {
3415 case LPFC_ASYNC_LINK_FAULT_NONE
:
3416 case LPFC_ASYNC_LINK_FAULT_LOCAL
:
3417 case LPFC_ASYNC_LINK_FAULT_REMOTE
:
3421 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3422 "0398 Invalid link fault code: x%x\n",
3423 bf_get(lpfc_acqe_link_fault
, acqe_link
));
3424 latt_fault
= MBXERR_ERROR
;
3431 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
3432 * @phba: pointer to lpfc hba data structure.
3433 * @acqe_link: pointer to the async link completion queue entry.
3435 * This routine is to parse the SLI4 link attention type and translate it
3436 * into the base driver's link attention type coding.
3438 * Return: Link attention type in terms of base driver's coding.
3441 lpfc_sli4_parse_latt_type(struct lpfc_hba
*phba
,
3442 struct lpfc_acqe_link
*acqe_link
)
3446 switch (bf_get(lpfc_acqe_link_status
, acqe_link
)) {
3447 case LPFC_ASYNC_LINK_STATUS_DOWN
:
3448 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN
:
3449 att_type
= LPFC_ATT_LINK_DOWN
;
3451 case LPFC_ASYNC_LINK_STATUS_UP
:
3452 /* Ignore physical link up events - wait for logical link up */
3453 att_type
= LPFC_ATT_RESERVED
;
3455 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP
:
3456 att_type
= LPFC_ATT_LINK_UP
;
3459 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3460 "0399 Invalid link attention type: x%x\n",
3461 bf_get(lpfc_acqe_link_status
, acqe_link
));
3462 att_type
= LPFC_ATT_RESERVED
;
3469 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
3470 * @phba: pointer to lpfc hba data structure.
3471 * @acqe_link: pointer to the async link completion queue entry.
3473 * This routine is to parse the SLI4 link-attention link speed and translate
3474 * it into the base driver's link-attention link speed coding.
3476 * Return: Link-attention link speed in terms of base driver's coding.
3479 lpfc_sli4_parse_latt_link_speed(struct lpfc_hba
*phba
,
3480 struct lpfc_acqe_link
*acqe_link
)
3484 switch (bf_get(lpfc_acqe_link_speed
, acqe_link
)) {
3485 case LPFC_ASYNC_LINK_SPEED_ZERO
:
3486 case LPFC_ASYNC_LINK_SPEED_10MBPS
:
3487 case LPFC_ASYNC_LINK_SPEED_100MBPS
:
3488 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3490 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
3491 link_speed
= LPFC_LINK_SPEED_1GHZ
;
3493 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
3494 link_speed
= LPFC_LINK_SPEED_10GHZ
;
3497 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3498 "0483 Invalid link-attention link speed: x%x\n",
3499 bf_get(lpfc_acqe_link_speed
, acqe_link
));
3500 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3507 * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
3508 * @phba: pointer to lpfc hba data structure.
3510 * This routine is to get an SLI3 FC port's link speed in Mbps.
3512 * Return: link speed in terms of Mbps.
3515 lpfc_sli_port_speed_get(struct lpfc_hba
*phba
)
3517 uint32_t link_speed
;
3519 if (!lpfc_is_link_up(phba
))
3522 switch (phba
->fc_linkspeed
) {
3523 case LPFC_LINK_SPEED_1GHZ
:
3526 case LPFC_LINK_SPEED_2GHZ
:
3529 case LPFC_LINK_SPEED_4GHZ
:
3532 case LPFC_LINK_SPEED_8GHZ
:
3535 case LPFC_LINK_SPEED_10GHZ
:
3538 case LPFC_LINK_SPEED_16GHZ
:
3548 * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
3549 * @phba: pointer to lpfc hba data structure.
3550 * @evt_code: asynchronous event code.
3551 * @speed_code: asynchronous event link speed code.
3553 * This routine is to parse the giving SLI4 async event link speed code into
3554 * value of Mbps for the link speed.
3556 * Return: link speed in terms of Mbps.
3559 lpfc_sli4_port_speed_parse(struct lpfc_hba
*phba
, uint32_t evt_code
,
3562 uint32_t port_speed
;
3565 case LPFC_TRAILER_CODE_LINK
:
3566 switch (speed_code
) {
3567 case LPFC_EVT_CODE_LINK_NO_LINK
:
3570 case LPFC_EVT_CODE_LINK_10_MBIT
:
3573 case LPFC_EVT_CODE_LINK_100_MBIT
:
3576 case LPFC_EVT_CODE_LINK_1_GBIT
:
3579 case LPFC_EVT_CODE_LINK_10_GBIT
:
3586 case LPFC_TRAILER_CODE_FC
:
3587 switch (speed_code
) {
3588 case LPFC_EVT_CODE_FC_NO_LINK
:
3591 case LPFC_EVT_CODE_FC_1_GBAUD
:
3594 case LPFC_EVT_CODE_FC_2_GBAUD
:
3597 case LPFC_EVT_CODE_FC_4_GBAUD
:
3600 case LPFC_EVT_CODE_FC_8_GBAUD
:
3603 case LPFC_EVT_CODE_FC_10_GBAUD
:
3606 case LPFC_EVT_CODE_FC_16_GBAUD
:
3620 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
3621 * @phba: pointer to lpfc hba data structure.
3622 * @acqe_link: pointer to the async link completion queue entry.
3624 * This routine is to handle the SLI4 asynchronous FCoE link event.
3627 lpfc_sli4_async_link_evt(struct lpfc_hba
*phba
,
3628 struct lpfc_acqe_link
*acqe_link
)
3630 struct lpfc_dmabuf
*mp
;
3633 struct lpfc_mbx_read_top
*la
;
3637 att_type
= lpfc_sli4_parse_latt_type(phba
, acqe_link
);
3638 if (att_type
!= LPFC_ATT_LINK_DOWN
&& att_type
!= LPFC_ATT_LINK_UP
)
3640 phba
->fcoe_eventtag
= acqe_link
->event_tag
;
3641 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3643 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3644 "0395 The mboxq allocation failed\n");
3647 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3649 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3650 "0396 The lpfc_dmabuf allocation failed\n");
3653 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3655 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3656 "0397 The mbuf allocation failed\n");
3657 goto out_free_dmabuf
;
3660 /* Cleanup any outstanding ELS commands */
3661 lpfc_els_flush_all_cmd(phba
);
3663 /* Block ELS IOCBs until we have done process link event */
3664 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3666 /* Update link event statistics */
3667 phba
->sli
.slistat
.link_event
++;
3669 /* Create lpfc_handle_latt mailbox command from link ACQE */
3670 lpfc_read_topology(phba
, pmb
, mp
);
3671 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3672 pmb
->vport
= phba
->pport
;
3674 /* Keep the link status for extra SLI4 state machine reference */
3675 phba
->sli4_hba
.link_state
.speed
=
3676 lpfc_sli4_port_speed_parse(phba
, LPFC_TRAILER_CODE_LINK
,
3677 bf_get(lpfc_acqe_link_speed
, acqe_link
));
3678 phba
->sli4_hba
.link_state
.duplex
=
3679 bf_get(lpfc_acqe_link_duplex
, acqe_link
);
3680 phba
->sli4_hba
.link_state
.status
=
3681 bf_get(lpfc_acqe_link_status
, acqe_link
);
3682 phba
->sli4_hba
.link_state
.type
=
3683 bf_get(lpfc_acqe_link_type
, acqe_link
);
3684 phba
->sli4_hba
.link_state
.number
=
3685 bf_get(lpfc_acqe_link_number
, acqe_link
);
3686 phba
->sli4_hba
.link_state
.fault
=
3687 bf_get(lpfc_acqe_link_fault
, acqe_link
);
3688 phba
->sli4_hba
.link_state
.logical_speed
=
3689 bf_get(lpfc_acqe_logical_link_speed
, acqe_link
) * 10;
3691 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3692 "2900 Async FC/FCoE Link event - Speed:%dGBit "
3693 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
3694 "Logical speed:%dMbps Fault:%d\n",
3695 phba
->sli4_hba
.link_state
.speed
,
3696 phba
->sli4_hba
.link_state
.topology
,
3697 phba
->sli4_hba
.link_state
.status
,
3698 phba
->sli4_hba
.link_state
.type
,
3699 phba
->sli4_hba
.link_state
.number
,
3700 phba
->sli4_hba
.link_state
.logical_speed
,
3701 phba
->sli4_hba
.link_state
.fault
);
3703 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
3704 * topology info. Note: Optional for non FC-AL ports.
3706 if (!(phba
->hba_flag
& HBA_FCOE_MODE
)) {
3707 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3708 if (rc
== MBX_NOT_FINISHED
)
3709 goto out_free_dmabuf
;
3713 * For FCoE Mode: fill in all the topology information we need and call
3714 * the READ_TOPOLOGY completion routine to continue without actually
3715 * sending the READ_TOPOLOGY mailbox command to the port.
3717 /* Parse and translate status field */
3719 mb
->mbxStatus
= lpfc_sli4_parse_latt_fault(phba
, acqe_link
);
3721 /* Parse and translate link attention fields */
3722 la
= (struct lpfc_mbx_read_top
*) &pmb
->u
.mb
.un
.varReadTop
;
3723 la
->eventTag
= acqe_link
->event_tag
;
3724 bf_set(lpfc_mbx_read_top_att_type
, la
, att_type
);
3725 bf_set(lpfc_mbx_read_top_link_spd
, la
,
3726 lpfc_sli4_parse_latt_link_speed(phba
, acqe_link
));
3728 /* Fake the the following irrelvant fields */
3729 bf_set(lpfc_mbx_read_top_topology
, la
, LPFC_TOPOLOGY_PT_PT
);
3730 bf_set(lpfc_mbx_read_top_alpa_granted
, la
, 0);
3731 bf_set(lpfc_mbx_read_top_il
, la
, 0);
3732 bf_set(lpfc_mbx_read_top_pb
, la
, 0);
3733 bf_set(lpfc_mbx_read_top_fa
, la
, 0);
3734 bf_set(lpfc_mbx_read_top_mm
, la
, 0);
3736 /* Invoke the lpfc_handle_latt mailbox command callback function */
3737 lpfc_mbx_cmpl_read_topology(phba
, pmb
);
3744 mempool_free(pmb
, phba
->mbox_mem_pool
);
3748 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
3749 * @phba: pointer to lpfc hba data structure.
3750 * @acqe_fc: pointer to the async fc completion queue entry.
3752 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
3753 * that the event was received and then issue a read_topology mailbox command so
3754 * that the rest of the driver will treat it the same as SLI3.
3757 lpfc_sli4_async_fc_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_fc_la
*acqe_fc
)
3759 struct lpfc_dmabuf
*mp
;
3763 if (bf_get(lpfc_trailer_type
, acqe_fc
) !=
3764 LPFC_FC_LA_EVENT_TYPE_FC_LINK
) {
3765 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3766 "2895 Non FC link Event detected.(%d)\n",
3767 bf_get(lpfc_trailer_type
, acqe_fc
));
3770 /* Keep the link status for extra SLI4 state machine reference */
3771 phba
->sli4_hba
.link_state
.speed
=
3772 lpfc_sli4_port_speed_parse(phba
, LPFC_TRAILER_CODE_FC
,
3773 bf_get(lpfc_acqe_fc_la_speed
, acqe_fc
));
3774 phba
->sli4_hba
.link_state
.duplex
= LPFC_ASYNC_LINK_DUPLEX_FULL
;
3775 phba
->sli4_hba
.link_state
.topology
=
3776 bf_get(lpfc_acqe_fc_la_topology
, acqe_fc
);
3777 phba
->sli4_hba
.link_state
.status
=
3778 bf_get(lpfc_acqe_fc_la_att_type
, acqe_fc
);
3779 phba
->sli4_hba
.link_state
.type
=
3780 bf_get(lpfc_acqe_fc_la_port_type
, acqe_fc
);
3781 phba
->sli4_hba
.link_state
.number
=
3782 bf_get(lpfc_acqe_fc_la_port_number
, acqe_fc
);
3783 phba
->sli4_hba
.link_state
.fault
=
3784 bf_get(lpfc_acqe_link_fault
, acqe_fc
);
3785 phba
->sli4_hba
.link_state
.logical_speed
=
3786 bf_get(lpfc_acqe_fc_la_llink_spd
, acqe_fc
) * 10;
3787 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3788 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
3789 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
3790 "%dMbps Fault:%d\n",
3791 phba
->sli4_hba
.link_state
.speed
,
3792 phba
->sli4_hba
.link_state
.topology
,
3793 phba
->sli4_hba
.link_state
.status
,
3794 phba
->sli4_hba
.link_state
.type
,
3795 phba
->sli4_hba
.link_state
.number
,
3796 phba
->sli4_hba
.link_state
.logical_speed
,
3797 phba
->sli4_hba
.link_state
.fault
);
3798 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3800 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3801 "2897 The mboxq allocation failed\n");
3804 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3806 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3807 "2898 The lpfc_dmabuf allocation failed\n");
3810 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3812 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3813 "2899 The mbuf allocation failed\n");
3814 goto out_free_dmabuf
;
3817 /* Cleanup any outstanding ELS commands */
3818 lpfc_els_flush_all_cmd(phba
);
3820 /* Block ELS IOCBs until we have done process link event */
3821 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3823 /* Update link event statistics */
3824 phba
->sli
.slistat
.link_event
++;
3826 /* Create lpfc_handle_latt mailbox command from link ACQE */
3827 lpfc_read_topology(phba
, pmb
, mp
);
3828 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3829 pmb
->vport
= phba
->pport
;
3831 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3832 if (rc
== MBX_NOT_FINISHED
)
3833 goto out_free_dmabuf
;
3839 mempool_free(pmb
, phba
->mbox_mem_pool
);
3843 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
3844 * @phba: pointer to lpfc hba data structure.
3845 * @acqe_fc: pointer to the async SLI completion queue entry.
3847 * This routine is to handle the SLI4 asynchronous SLI events.
3850 lpfc_sli4_async_sli_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_sli
*acqe_sli
)
3855 struct lpfc_acqe_misconfigured_event
*misconfigured
;
3857 /* special case misconfigured event as it contains data for all ports */
3858 if ((bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
3859 LPFC_SLI_INTF_IF_TYPE_2
) ||
3860 (bf_get(lpfc_trailer_type
, acqe_sli
) !=
3861 LPFC_SLI_EVENT_TYPE_MISCONFIGURED
)) {
3862 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3863 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
3864 "x%08x SLI Event Type:%d\n",
3865 acqe_sli
->event_data1
, acqe_sli
->event_data2
,
3866 bf_get(lpfc_trailer_type
, acqe_sli
));
3870 port_name
= phba
->Port
[0];
3871 if (port_name
== 0x00)
3872 port_name
= '?'; /* get port name is empty */
3874 misconfigured
= (struct lpfc_acqe_misconfigured_event
*)
3875 &acqe_sli
->event_data1
;
3877 /* fetch the status for this port */
3878 switch (phba
->sli4_hba
.lnk_info
.lnk_no
) {
3879 case LPFC_LINK_NUMBER_0
:
3880 status
= bf_get(lpfc_sli_misconfigured_port0
,
3881 &misconfigured
->theEvent
);
3883 case LPFC_LINK_NUMBER_1
:
3884 status
= bf_get(lpfc_sli_misconfigured_port1
,
3885 &misconfigured
->theEvent
);
3887 case LPFC_LINK_NUMBER_2
:
3888 status
= bf_get(lpfc_sli_misconfigured_port2
,
3889 &misconfigured
->theEvent
);
3891 case LPFC_LINK_NUMBER_3
:
3892 status
= bf_get(lpfc_sli_misconfigured_port3
,
3893 &misconfigured
->theEvent
);
3896 status
= ~LPFC_SLI_EVENT_STATUS_VALID
;
3901 case LPFC_SLI_EVENT_STATUS_VALID
:
3902 return; /* no message if the sfp is okay */
3903 case LPFC_SLI_EVENT_STATUS_NOT_PRESENT
:
3904 sprintf(message
, "Optics faulted/incorrectly installed/not " \
3905 "installed - Reseat optics, if issue not "
3906 "resolved, replace.");
3908 case LPFC_SLI_EVENT_STATUS_WRONG_TYPE
:
3910 "Optics of two types installed - Remove one optic or " \
3911 "install matching pair of optics.");
3913 case LPFC_SLI_EVENT_STATUS_UNSUPPORTED
:
3914 sprintf(message
, "Incompatible optics - Replace with " \
3915 "compatible optics for card to function.");
3918 /* firmware is reporting a status we don't know about */
3919 sprintf(message
, "Unknown event status x%02x", status
);
3923 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3924 "3176 Misconfigured Physical Port - "
3925 "Port Name %c %s\n", port_name
, message
);
3929 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
3930 * @vport: pointer to vport data structure.
3932 * This routine is to perform Clear Virtual Link (CVL) on a vport in
3933 * response to a CVL event.
3935 * Return the pointer to the ndlp with the vport if successful, otherwise
3938 static struct lpfc_nodelist
*
3939 lpfc_sli4_perform_vport_cvl(struct lpfc_vport
*vport
)
3941 struct lpfc_nodelist
*ndlp
;
3942 struct Scsi_Host
*shost
;
3943 struct lpfc_hba
*phba
;
3950 ndlp
= lpfc_findnode_did(vport
, Fabric_DID
);
3952 /* Cannot find existing Fabric ndlp, so allocate a new one */
3953 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
3956 lpfc_nlp_init(vport
, ndlp
, Fabric_DID
);
3957 /* Set the node type */
3958 ndlp
->nlp_type
|= NLP_FABRIC
;
3959 /* Put ndlp onto node list */
3960 lpfc_enqueue_node(vport
, ndlp
);
3961 } else if (!NLP_CHK_NODE_ACT(ndlp
)) {
3962 /* re-setup ndlp without removing from node list */
3963 ndlp
= lpfc_enable_node(vport
, ndlp
, NLP_STE_UNUSED_NODE
);
3967 if ((phba
->pport
->port_state
< LPFC_FLOGI
) &&
3968 (phba
->pport
->port_state
!= LPFC_VPORT_FAILED
))
3970 /* If virtual link is not yet instantiated ignore CVL */
3971 if ((vport
!= phba
->pport
) && (vport
->port_state
< LPFC_FDISC
)
3972 && (vport
->port_state
!= LPFC_VPORT_FAILED
))
3974 shost
= lpfc_shost_from_vport(vport
);
3977 lpfc_linkdown_port(vport
);
3978 lpfc_cleanup_pending_mbox(vport
);
3979 spin_lock_irq(shost
->host_lock
);
3980 vport
->fc_flag
|= FC_VPORT_CVL_RCVD
;
3981 spin_unlock_irq(shost
->host_lock
);
3987 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
3988 * @vport: pointer to lpfc hba data structure.
3990 * This routine is to perform Clear Virtual Link (CVL) on all vports in
3991 * response to a FCF dead event.
3994 lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba
*phba
)
3996 struct lpfc_vport
**vports
;
3999 vports
= lpfc_create_vport_work_array(phba
);
4001 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
4002 lpfc_sli4_perform_vport_cvl(vports
[i
]);
4003 lpfc_destroy_vport_work_array(phba
, vports
);
4007 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
4008 * @phba: pointer to lpfc hba data structure.
4009 * @acqe_link: pointer to the async fcoe completion queue entry.
4011 * This routine is to handle the SLI4 asynchronous fcoe event.
4014 lpfc_sli4_async_fip_evt(struct lpfc_hba
*phba
,
4015 struct lpfc_acqe_fip
*acqe_fip
)
4017 uint8_t event_type
= bf_get(lpfc_trailer_type
, acqe_fip
);
4019 struct lpfc_vport
*vport
;
4020 struct lpfc_nodelist
*ndlp
;
4021 struct Scsi_Host
*shost
;
4022 int active_vlink_present
;
4023 struct lpfc_vport
**vports
;
4026 phba
->fc_eventTag
= acqe_fip
->event_tag
;
4027 phba
->fcoe_eventtag
= acqe_fip
->event_tag
;
4028 switch (event_type
) {
4029 case LPFC_FIP_EVENT_TYPE_NEW_FCF
:
4030 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD
:
4031 if (event_type
== LPFC_FIP_EVENT_TYPE_NEW_FCF
)
4032 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4034 "2546 New FCF event, evt_tag:x%x, "
4036 acqe_fip
->event_tag
,
4039 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
|
4041 "2788 FCF param modified event, "
4042 "evt_tag:x%x, index:x%x\n",
4043 acqe_fip
->event_tag
,
4045 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4047 * During period of FCF discovery, read the FCF
4048 * table record indexed by the event to update
4049 * FCF roundrobin failover eligible FCF bmask.
4051 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
4053 "2779 Read FCF (x%x) for updating "
4054 "roundrobin FCF failover bmask\n",
4056 rc
= lpfc_sli4_read_fcf_rec(phba
, acqe_fip
->index
);
4059 /* If the FCF discovery is in progress, do nothing. */
4060 spin_lock_irq(&phba
->hbalock
);
4061 if (phba
->hba_flag
& FCF_TS_INPROG
) {
4062 spin_unlock_irq(&phba
->hbalock
);
4065 /* If fast FCF failover rescan event is pending, do nothing */
4066 if (phba
->fcf
.fcf_flag
& FCF_REDISC_EVT
) {
4067 spin_unlock_irq(&phba
->hbalock
);
4071 /* If the FCF has been in discovered state, do nothing. */
4072 if (phba
->fcf
.fcf_flag
& FCF_SCAN_DONE
) {
4073 spin_unlock_irq(&phba
->hbalock
);
4076 spin_unlock_irq(&phba
->hbalock
);
4078 /* Otherwise, scan the entire FCF table and re-discover SAN */
4079 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4080 "2770 Start FCF table scan per async FCF "
4081 "event, evt_tag:x%x, index:x%x\n",
4082 acqe_fip
->event_tag
, acqe_fip
->index
);
4083 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
4084 LPFC_FCOE_FCF_GET_FIRST
);
4086 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4087 "2547 Issue FCF scan read FCF mailbox "
4088 "command failed (x%x)\n", rc
);
4091 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL
:
4092 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4093 "2548 FCF Table full count 0x%x tag 0x%x\n",
4094 bf_get(lpfc_acqe_fip_fcf_count
, acqe_fip
),
4095 acqe_fip
->event_tag
);
4098 case LPFC_FIP_EVENT_TYPE_FCF_DEAD
:
4099 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
4100 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4101 "2549 FCF (x%x) disconnected from network, "
4102 "tag:x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
4104 * If we are in the middle of FCF failover process, clear
4105 * the corresponding FCF bit in the roundrobin bitmap.
4107 spin_lock_irq(&phba
->hbalock
);
4108 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4109 spin_unlock_irq(&phba
->hbalock
);
4110 /* Update FLOGI FCF failover eligible FCF bmask */
4111 lpfc_sli4_fcf_rr_index_clear(phba
, acqe_fip
->index
);
4114 spin_unlock_irq(&phba
->hbalock
);
4116 /* If the event is not for currently used fcf do nothing */
4117 if (phba
->fcf
.current_rec
.fcf_indx
!= acqe_fip
->index
)
4121 * Otherwise, request the port to rediscover the entire FCF
4122 * table for a fast recovery from case that the current FCF
4123 * is no longer valid as we are not in the middle of FCF
4124 * failover process already.
4126 spin_lock_irq(&phba
->hbalock
);
4127 /* Mark the fast failover process in progress */
4128 phba
->fcf
.fcf_flag
|= FCF_DEAD_DISC
;
4129 spin_unlock_irq(&phba
->hbalock
);
4131 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4132 "2771 Start FCF fast failover process due to "
4133 "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
4134 "\n", acqe_fip
->event_tag
, acqe_fip
->index
);
4135 rc
= lpfc_sli4_redisc_fcf_table(phba
);
4137 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4139 "2772 Issue FCF rediscover mabilbox "
4140 "command failed, fail through to FCF "
4142 spin_lock_irq(&phba
->hbalock
);
4143 phba
->fcf
.fcf_flag
&= ~FCF_DEAD_DISC
;
4144 spin_unlock_irq(&phba
->hbalock
);
4146 * Last resort will fail over by treating this
4147 * as a link down to FCF registration.
4149 lpfc_sli4_fcf_dead_failthrough(phba
);
4151 /* Reset FCF roundrobin bmask for new discovery */
4152 lpfc_sli4_clear_fcf_rr_bmask(phba
);
4154 * Handling fast FCF failover to a DEAD FCF event is
4155 * considered equalivant to receiving CVL to all vports.
4157 lpfc_sli4_perform_all_vport_cvl(phba
);
4160 case LPFC_FIP_EVENT_TYPE_CVL
:
4161 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
4162 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4163 "2718 Clear Virtual Link Received for VPI 0x%x"
4164 " tag 0x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
4166 vport
= lpfc_find_vport_by_vpid(phba
,
4168 ndlp
= lpfc_sli4_perform_vport_cvl(vport
);
4171 active_vlink_present
= 0;
4173 vports
= lpfc_create_vport_work_array(phba
);
4175 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
;
4177 if ((!(vports
[i
]->fc_flag
&
4178 FC_VPORT_CVL_RCVD
)) &&
4179 (vports
[i
]->port_state
> LPFC_FDISC
)) {
4180 active_vlink_present
= 1;
4184 lpfc_destroy_vport_work_array(phba
, vports
);
4187 if (active_vlink_present
) {
4189 * If there are other active VLinks present,
4190 * re-instantiate the Vlink using FDISC.
4192 mod_timer(&ndlp
->nlp_delayfunc
, jiffies
+ HZ
);
4193 shost
= lpfc_shost_from_vport(vport
);
4194 spin_lock_irq(shost
->host_lock
);
4195 ndlp
->nlp_flag
|= NLP_DELAY_TMO
;
4196 spin_unlock_irq(shost
->host_lock
);
4197 ndlp
->nlp_last_elscmd
= ELS_CMD_FDISC
;
4198 vport
->port_state
= LPFC_FDISC
;
4201 * Otherwise, we request port to rediscover
4202 * the entire FCF table for a fast recovery
4203 * from possible case that the current FCF
4204 * is no longer valid if we are not already
4205 * in the FCF failover process.
4207 spin_lock_irq(&phba
->hbalock
);
4208 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4209 spin_unlock_irq(&phba
->hbalock
);
4212 /* Mark the fast failover process in progress */
4213 phba
->fcf
.fcf_flag
|= FCF_ACVL_DISC
;
4214 spin_unlock_irq(&phba
->hbalock
);
4215 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
4217 "2773 Start FCF failover per CVL, "
4218 "evt_tag:x%x\n", acqe_fip
->event_tag
);
4219 rc
= lpfc_sli4_redisc_fcf_table(phba
);
4221 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4223 "2774 Issue FCF rediscover "
4224 "mabilbox command failed, "
4225 "through to CVL event\n");
4226 spin_lock_irq(&phba
->hbalock
);
4227 phba
->fcf
.fcf_flag
&= ~FCF_ACVL_DISC
;
4228 spin_unlock_irq(&phba
->hbalock
);
4230 * Last resort will be re-try on the
4231 * the current registered FCF entry.
4233 lpfc_retry_pport_discovery(phba
);
4236 * Reset FCF roundrobin bmask for new
4239 lpfc_sli4_clear_fcf_rr_bmask(phba
);
4243 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4244 "0288 Unknown FCoE event type 0x%x event tag "
4245 "0x%x\n", event_type
, acqe_fip
->event_tag
);
4251 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
4252 * @phba: pointer to lpfc hba data structure.
4253 * @acqe_link: pointer to the async dcbx completion queue entry.
4255 * This routine is to handle the SLI4 asynchronous dcbx event.
4258 lpfc_sli4_async_dcbx_evt(struct lpfc_hba
*phba
,
4259 struct lpfc_acqe_dcbx
*acqe_dcbx
)
4261 phba
->fc_eventTag
= acqe_dcbx
->event_tag
;
4262 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4263 "0290 The SLI4 DCBX asynchronous event is not "
4268 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
4269 * @phba: pointer to lpfc hba data structure.
4270 * @acqe_link: pointer to the async grp5 completion queue entry.
4272 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
4273 * is an asynchronous notified of a logical link speed change. The Port
4274 * reports the logical link speed in units of 10Mbps.
4277 lpfc_sli4_async_grp5_evt(struct lpfc_hba
*phba
,
4278 struct lpfc_acqe_grp5
*acqe_grp5
)
4280 uint16_t prev_ll_spd
;
4282 phba
->fc_eventTag
= acqe_grp5
->event_tag
;
4283 phba
->fcoe_eventtag
= acqe_grp5
->event_tag
;
4284 prev_ll_spd
= phba
->sli4_hba
.link_state
.logical_speed
;
4285 phba
->sli4_hba
.link_state
.logical_speed
=
4286 (bf_get(lpfc_acqe_grp5_llink_spd
, acqe_grp5
)) * 10;
4287 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4288 "2789 GRP5 Async Event: Updating logical link speed "
4289 "from %dMbps to %dMbps\n", prev_ll_spd
,
4290 phba
->sli4_hba
.link_state
.logical_speed
);
4294 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
4295 * @phba: pointer to lpfc hba data structure.
4297 * This routine is invoked by the worker thread to process all the pending
4298 * SLI4 asynchronous events.
4300 void lpfc_sli4_async_event_proc(struct lpfc_hba
*phba
)
4302 struct lpfc_cq_event
*cq_event
;
4304 /* First, declare the async event has been handled */
4305 spin_lock_irq(&phba
->hbalock
);
4306 phba
->hba_flag
&= ~ASYNC_EVENT
;
4307 spin_unlock_irq(&phba
->hbalock
);
4308 /* Now, handle all the async events */
4309 while (!list_empty(&phba
->sli4_hba
.sp_asynce_work_queue
)) {
4310 /* Get the first event from the head of the event queue */
4311 spin_lock_irq(&phba
->hbalock
);
4312 list_remove_head(&phba
->sli4_hba
.sp_asynce_work_queue
,
4313 cq_event
, struct lpfc_cq_event
, list
);
4314 spin_unlock_irq(&phba
->hbalock
);
4315 /* Process the asynchronous event */
4316 switch (bf_get(lpfc_trailer_code
, &cq_event
->cqe
.mcqe_cmpl
)) {
4317 case LPFC_TRAILER_CODE_LINK
:
4318 lpfc_sli4_async_link_evt(phba
,
4319 &cq_event
->cqe
.acqe_link
);
4321 case LPFC_TRAILER_CODE_FCOE
:
4322 lpfc_sli4_async_fip_evt(phba
, &cq_event
->cqe
.acqe_fip
);
4324 case LPFC_TRAILER_CODE_DCBX
:
4325 lpfc_sli4_async_dcbx_evt(phba
,
4326 &cq_event
->cqe
.acqe_dcbx
);
4328 case LPFC_TRAILER_CODE_GRP5
:
4329 lpfc_sli4_async_grp5_evt(phba
,
4330 &cq_event
->cqe
.acqe_grp5
);
4332 case LPFC_TRAILER_CODE_FC
:
4333 lpfc_sli4_async_fc_evt(phba
, &cq_event
->cqe
.acqe_fc
);
4335 case LPFC_TRAILER_CODE_SLI
:
4336 lpfc_sli4_async_sli_evt(phba
, &cq_event
->cqe
.acqe_sli
);
4339 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4340 "1804 Invalid asynchrous event code: "
4341 "x%x\n", bf_get(lpfc_trailer_code
,
4342 &cq_event
->cqe
.mcqe_cmpl
));
4345 /* Free the completion event processed to the free pool */
4346 lpfc_sli4_cq_event_release(phba
, cq_event
);
4351 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
4352 * @phba: pointer to lpfc hba data structure.
4354 * This routine is invoked by the worker thread to process FCF table
4355 * rediscovery pending completion event.
4357 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba
*phba
)
4361 spin_lock_irq(&phba
->hbalock
);
4362 /* Clear FCF rediscovery timeout event */
4363 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_EVT
;
4364 /* Clear driver fast failover FCF record flag */
4365 phba
->fcf
.failover_rec
.flag
= 0;
4366 /* Set state for FCF fast failover */
4367 phba
->fcf
.fcf_flag
|= FCF_REDISC_FOV
;
4368 spin_unlock_irq(&phba
->hbalock
);
4370 /* Scan FCF table from the first entry to re-discover SAN */
4371 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4372 "2777 Start post-quiescent FCF table scan\n");
4373 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
, LPFC_FCOE_FCF_GET_FIRST
);
4375 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4376 "2747 Issue FCF scan read FCF mailbox "
4377 "command failed 0x%x\n", rc
);
4381 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
4382 * @phba: pointer to lpfc hba data structure.
4383 * @dev_grp: The HBA PCI-Device group number.
4385 * This routine is invoked to set up the per HBA PCI-Device group function
4386 * API jump table entries.
4388 * Return: 0 if success, otherwise -ENODEV
4391 lpfc_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
4395 /* Set up lpfc PCI-device group */
4396 phba
->pci_dev_grp
= dev_grp
;
4398 /* The LPFC_PCI_DEV_OC uses SLI4 */
4399 if (dev_grp
== LPFC_PCI_DEV_OC
)
4400 phba
->sli_rev
= LPFC_SLI_REV4
;
4402 /* Set up device INIT API function jump table */
4403 rc
= lpfc_init_api_table_setup(phba
, dev_grp
);
4406 /* Set up SCSI API function jump table */
4407 rc
= lpfc_scsi_api_table_setup(phba
, dev_grp
);
4410 /* Set up SLI API function jump table */
4411 rc
= lpfc_sli_api_table_setup(phba
, dev_grp
);
4414 /* Set up MBOX API function jump table */
4415 rc
= lpfc_mbox_api_table_setup(phba
, dev_grp
);
4423 * lpfc_log_intr_mode - Log the active interrupt mode
4424 * @phba: pointer to lpfc hba data structure.
4425 * @intr_mode: active interrupt mode adopted.
4427 * This routine it invoked to log the currently used active interrupt mode
4430 static void lpfc_log_intr_mode(struct lpfc_hba
*phba
, uint32_t intr_mode
)
4432 switch (intr_mode
) {
4434 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4435 "0470 Enable INTx interrupt mode.\n");
4438 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4439 "0481 Enabled MSI interrupt mode.\n");
4442 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4443 "0480 Enabled MSI-X interrupt mode.\n");
4446 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4447 "0482 Illegal interrupt mode.\n");
4454 * lpfc_enable_pci_dev - Enable a generic PCI device.
4455 * @phba: pointer to lpfc hba data structure.
4457 * This routine is invoked to enable the PCI device that is common to all
4462 * other values - error
4465 lpfc_enable_pci_dev(struct lpfc_hba
*phba
)
4467 struct pci_dev
*pdev
;
4470 /* Obtain PCI device reference */
4474 pdev
= phba
->pcidev
;
4475 /* Select PCI BARs */
4476 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
4477 /* Enable PCI device */
4478 if (pci_enable_device_mem(pdev
))
4480 /* Request PCI resource for the device */
4481 if (pci_request_selected_regions(pdev
, bars
, LPFC_DRIVER_NAME
))
4482 goto out_disable_device
;
4483 /* Set up device as PCI master and save state for EEH */
4484 pci_set_master(pdev
);
4485 pci_try_set_mwi(pdev
);
4486 pci_save_state(pdev
);
4488 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
4489 if (pci_find_capability(pdev
, PCI_CAP_ID_EXP
))
4490 pdev
->needs_freset
= 1;
4495 pci_disable_device(pdev
);
4497 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4498 "1401 Failed to enable pci device, bars:x%x\n", bars
);
4503 * lpfc_disable_pci_dev - Disable a generic PCI device.
4504 * @phba: pointer to lpfc hba data structure.
4506 * This routine is invoked to disable the PCI device that is common to all
4510 lpfc_disable_pci_dev(struct lpfc_hba
*phba
)
4512 struct pci_dev
*pdev
;
4515 /* Obtain PCI device reference */
4519 pdev
= phba
->pcidev
;
4520 /* Select PCI BARs */
4521 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
4522 /* Release PCI resource and disable PCI device */
4523 pci_release_selected_regions(pdev
, bars
);
4524 pci_disable_device(pdev
);
4525 /* Null out PCI private reference to driver */
4526 pci_set_drvdata(pdev
, NULL
);
4532 * lpfc_reset_hba - Reset a hba
4533 * @phba: pointer to lpfc hba data structure.
4535 * This routine is invoked to reset a hba device. It brings the HBA
4536 * offline, performs a board restart, and then brings the board back
4537 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
4538 * on outstanding mailbox commands.
4541 lpfc_reset_hba(struct lpfc_hba
*phba
)
4543 /* If resets are disabled then set error state and return. */
4544 if (!phba
->cfg_enable_hba_reset
) {
4545 phba
->link_state
= LPFC_HBA_ERROR
;
4548 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
4550 lpfc_sli_brdrestart(phba
);
4552 lpfc_unblock_mgmt_io(phba
);
4556 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
4557 * @phba: pointer to lpfc hba data structure.
4559 * This function enables the PCI SR-IOV virtual functions to a physical
4560 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4561 * enable the number of virtual functions to the physical function. As
4562 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4563 * API call does not considered as an error condition for most of the device.
4566 lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba
*phba
)
4568 struct pci_dev
*pdev
= phba
->pcidev
;
4572 pos
= pci_find_ext_capability(pdev
, PCI_EXT_CAP_ID_SRIOV
);
4576 pci_read_config_word(pdev
, pos
+ PCI_SRIOV_TOTAL_VF
, &nr_virtfn
);
4581 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
4582 * @phba: pointer to lpfc hba data structure.
4583 * @nr_vfn: number of virtual functions to be enabled.
4585 * This function enables the PCI SR-IOV virtual functions to a physical
4586 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4587 * enable the number of virtual functions to the physical function. As
4588 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4589 * API call does not considered as an error condition for most of the device.
4592 lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba
*phba
, int nr_vfn
)
4594 struct pci_dev
*pdev
= phba
->pcidev
;
4595 uint16_t max_nr_vfn
;
4598 max_nr_vfn
= lpfc_sli_sriov_nr_virtfn_get(phba
);
4599 if (nr_vfn
> max_nr_vfn
) {
4600 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4601 "3057 Requested vfs (%d) greater than "
4602 "supported vfs (%d)", nr_vfn
, max_nr_vfn
);
4606 rc
= pci_enable_sriov(pdev
, nr_vfn
);
4608 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4609 "2806 Failed to enable sriov on this device "
4610 "with vfn number nr_vf:%d, rc:%d\n",
4613 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4614 "2807 Successful enable sriov on this device "
4615 "with vfn number nr_vf:%d\n", nr_vfn
);
4620 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
4621 * @phba: pointer to lpfc hba data structure.
4623 * This routine is invoked to set up the driver internal resources specific to
4624 * support the SLI-3 HBA device it attached to.
4628 * other values - error
4631 lpfc_sli_driver_resource_setup(struct lpfc_hba
*phba
)
4633 struct lpfc_sli
*psli
;
4637 * Initialize timers used by driver
4640 /* Heartbeat timer */
4641 init_timer(&phba
->hb_tmofunc
);
4642 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4643 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4646 /* MBOX heartbeat timer */
4647 init_timer(&psli
->mbox_tmo
);
4648 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4649 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4650 /* FCP polling mode timer */
4651 init_timer(&phba
->fcp_poll_timer
);
4652 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
4653 phba
->fcp_poll_timer
.data
= (unsigned long) phba
;
4654 /* Fabric block timer */
4655 init_timer(&phba
->fabric_block_timer
);
4656 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4657 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4658 /* EA polling mode timer */
4659 init_timer(&phba
->eratt_poll
);
4660 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4661 phba
->eratt_poll
.data
= (unsigned long) phba
;
4663 /* Host attention work mask setup */
4664 phba
->work_ha_mask
= (HA_ERATT
| HA_MBATT
| HA_LATT
);
4665 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
4667 /* Get all the module params for configuring this host */
4668 lpfc_get_cfgparam(phba
);
4669 if (phba
->pcidev
->device
== PCI_DEVICE_ID_HORNET
) {
4670 phba
->menlo_flag
|= HBA_MENLO_SUPPORT
;
4671 /* check for menlo minimum sg count */
4672 if (phba
->cfg_sg_seg_cnt
< LPFC_DEFAULT_MENLO_SG_SEG_CNT
)
4673 phba
->cfg_sg_seg_cnt
= LPFC_DEFAULT_MENLO_SG_SEG_CNT
;
4676 if (!phba
->sli
.ring
)
4677 phba
->sli
.ring
= (struct lpfc_sli_ring
*)
4678 kzalloc(LPFC_SLI3_MAX_RING
*
4679 sizeof(struct lpfc_sli_ring
), GFP_KERNEL
);
4680 if (!phba
->sli
.ring
)
4684 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4685 * used to create the sg_dma_buf_pool must be dynamically calculated.
4686 * 2 segments are added since the IOCB needs a command and response bde.
4688 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
4689 sizeof(struct fcp_rsp
) +
4690 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct ulp_bde64
));
4692 if (phba
->cfg_enable_bg
) {
4693 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SEG_CNT
;
4694 phba
->cfg_sg_dma_buf_size
+=
4695 phba
->cfg_prot_sg_seg_cnt
* sizeof(struct ulp_bde64
);
4698 /* Also reinitialize the host templates with new values. */
4699 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4700 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4702 phba
->max_vpi
= LPFC_MAX_VPI
;
4703 /* This will be set to correct value after config_port mbox */
4704 phba
->max_vports
= 0;
4707 * Initialize the SLI Layer to run with lpfc HBAs.
4709 lpfc_sli_setup(phba
);
4710 lpfc_sli_queue_setup(phba
);
4712 /* Allocate device driver memory */
4713 if (lpfc_mem_alloc(phba
, BPL_ALIGN_SZ
))
4717 * Enable sr-iov virtual functions if supported and configured
4718 * through the module parameter.
4720 if (phba
->cfg_sriov_nr_virtfn
> 0) {
4721 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
4722 phba
->cfg_sriov_nr_virtfn
);
4724 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4725 "2808 Requested number of SR-IOV "
4726 "virtual functions (%d) is not "
4728 phba
->cfg_sriov_nr_virtfn
);
4729 phba
->cfg_sriov_nr_virtfn
= 0;
4737 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
4738 * @phba: pointer to lpfc hba data structure.
4740 * This routine is invoked to unset the driver internal resources set up
4741 * specific for supporting the SLI-3 HBA device it attached to.
4744 lpfc_sli_driver_resource_unset(struct lpfc_hba
*phba
)
4746 /* Free device driver memory allocated */
4747 lpfc_mem_free_all(phba
);
4753 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
4754 * @phba: pointer to lpfc hba data structure.
4756 * This routine is invoked to set up the driver internal resources specific to
4757 * support the SLI-4 HBA device it attached to.
4761 * other values - error
4764 lpfc_sli4_driver_resource_setup(struct lpfc_hba
*phba
)
4766 struct lpfc_sli
*psli
;
4767 LPFC_MBOXQ_t
*mboxq
;
4768 int rc
, i
, hbq_count
, buf_size
, dma_buf_size
, max_buf_size
;
4769 uint8_t pn_page
[LPFC_MAX_SUPPORTED_PAGES
] = {0};
4770 struct lpfc_mqe
*mqe
;
4771 int longs
, sli_family
;
4772 int sges_per_segment
;
4774 /* Before proceed, wait for POST done and device ready */
4775 rc
= lpfc_sli4_post_status_check(phba
);
4780 * Initialize timers used by driver
4783 /* Heartbeat timer */
4784 init_timer(&phba
->hb_tmofunc
);
4785 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4786 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4787 init_timer(&phba
->rrq_tmr
);
4788 phba
->rrq_tmr
.function
= lpfc_rrq_timeout
;
4789 phba
->rrq_tmr
.data
= (unsigned long)phba
;
4792 /* MBOX heartbeat timer */
4793 init_timer(&psli
->mbox_tmo
);
4794 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4795 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4796 /* Fabric block timer */
4797 init_timer(&phba
->fabric_block_timer
);
4798 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4799 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4800 /* EA polling mode timer */
4801 init_timer(&phba
->eratt_poll
);
4802 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4803 phba
->eratt_poll
.data
= (unsigned long) phba
;
4804 /* FCF rediscover timer */
4805 init_timer(&phba
->fcf
.redisc_wait
);
4806 phba
->fcf
.redisc_wait
.function
= lpfc_sli4_fcf_redisc_wait_tmo
;
4807 phba
->fcf
.redisc_wait
.data
= (unsigned long)phba
;
4810 * Control structure for handling external multi-buffer mailbox
4811 * command pass-through.
4813 memset((uint8_t *)&phba
->mbox_ext_buf_ctx
, 0,
4814 sizeof(struct lpfc_mbox_ext_buf_ctx
));
4815 INIT_LIST_HEAD(&phba
->mbox_ext_buf_ctx
.ext_dmabuf_list
);
4818 * We need to do a READ_CONFIG mailbox command here before
4819 * calling lpfc_get_cfgparam. For VFs this will report the
4820 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
4821 * All of the resources allocated
4822 * for this Port are tied to these values.
4824 /* Get all the module params for configuring this host */
4825 lpfc_get_cfgparam(phba
);
4826 phba
->max_vpi
= LPFC_MAX_VPI
;
4828 /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
4829 phba
->cfg_fcp_io_channel
= phba
->cfg_fcp_eq_count
;
4831 /* This will be set to correct value after the read_config mbox */
4832 phba
->max_vports
= 0;
4834 /* Program the default value of vlan_id and fc_map */
4835 phba
->valid_vlan
= 0;
4836 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
4837 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
4838 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
4840 /* With BlockGuard we can have multiple SGEs per Data Segemnt */
4841 sges_per_segment
= 1;
4842 if (phba
->cfg_enable_bg
)
4843 sges_per_segment
= 2;
4846 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
4847 * we will associate a new ring, for each FCP fastpath EQ/CQ/WQ tuple.
4849 if (!phba
->sli
.ring
)
4850 phba
->sli
.ring
= kzalloc(
4851 (LPFC_SLI3_MAX_RING
+ phba
->cfg_fcp_io_channel
) *
4852 sizeof(struct lpfc_sli_ring
), GFP_KERNEL
);
4853 if (!phba
->sli
.ring
)
4856 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4857 * used to create the sg_dma_buf_pool must be dynamically calculated.
4858 * 2 segments are added since the IOCB needs a command and response bde.
4859 * To insure that the scsi sgl does not cross a 4k page boundary only
4860 * sgl sizes of must be a power of 2.
4862 buf_size
= (sizeof(struct fcp_cmnd
) + sizeof(struct fcp_rsp
) +
4863 (((phba
->cfg_sg_seg_cnt
* sges_per_segment
) + 2) *
4864 sizeof(struct sli4_sge
)));
4866 sli_family
= bf_get(lpfc_sli_intf_sli_family
, &phba
->sli4_hba
.sli_intf
);
4867 max_buf_size
= LPFC_SLI4_MAX_BUF_SIZE
;
4868 switch (sli_family
) {
4869 case LPFC_SLI_INTF_FAMILY_BE2
:
4870 case LPFC_SLI_INTF_FAMILY_BE3
:
4871 /* There is a single hint for BE - 2 pages per BPL. */
4872 if (bf_get(lpfc_sli_intf_sli_hint1
, &phba
->sli4_hba
.sli_intf
) ==
4873 LPFC_SLI_INTF_SLI_HINT1_1
)
4874 max_buf_size
= LPFC_SLI4_FL1_MAX_BUF_SIZE
;
4876 case LPFC_SLI_INTF_FAMILY_LNCR_A0
:
4877 case LPFC_SLI_INTF_FAMILY_LNCR_B0
:
4882 for (dma_buf_size
= LPFC_SLI4_MIN_BUF_SIZE
;
4883 dma_buf_size
< max_buf_size
&& buf_size
> dma_buf_size
;
4884 dma_buf_size
= dma_buf_size
<< 1)
4886 if (dma_buf_size
== max_buf_size
)
4887 phba
->cfg_sg_seg_cnt
= (dma_buf_size
-
4888 sizeof(struct fcp_cmnd
) - sizeof(struct fcp_rsp
) -
4889 (2 * sizeof(struct sli4_sge
))) /
4890 sizeof(struct sli4_sge
);
4891 phba
->cfg_sg_dma_buf_size
= dma_buf_size
;
4893 /* Initialize buffer queue management fields */
4894 hbq_count
= lpfc_sli_hbq_count();
4895 for (i
= 0; i
< hbq_count
; ++i
)
4896 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
4897 INIT_LIST_HEAD(&phba
->rb_pend_list
);
4898 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_sli4_rb_alloc
;
4899 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_sli4_rb_free
;
4902 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
4904 /* Initialize the Abort scsi buffer list used by driver */
4905 spin_lock_init(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
4906 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
4907 /* This abort list used by worker thread */
4908 spin_lock_init(&phba
->sli4_hba
.abts_sgl_list_lock
);
4911 * Initialize driver internal slow-path work queues
4914 /* Driver internel slow-path CQ Event pool */
4915 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_cqe_event_pool
);
4916 /* Response IOCB work queue list */
4917 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_queue_event
);
4918 /* Asynchronous event CQ Event work queue list */
4919 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_asynce_work_queue
);
4920 /* Fast-path XRI aborted CQ Event work queue list */
4921 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
4922 /* Slow-path XRI aborted CQ Event work queue list */
4923 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
4924 /* Receive queue CQ Event work queue list */
4925 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_unsol_work_queue
);
4927 /* Initialize extent block lists. */
4928 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_blk_list
);
4929 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_xri_blk_list
);
4930 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_vfi_blk_list
);
4931 INIT_LIST_HEAD(&phba
->lpfc_vpi_blk_list
);
4933 /* Initialize the driver internal SLI layer lists. */
4934 lpfc_sli_setup(phba
);
4935 lpfc_sli_queue_setup(phba
);
4937 /* Allocate device driver memory */
4938 rc
= lpfc_mem_alloc(phba
, SGL_ALIGN_SZ
);
4942 /* IF Type 2 ports get initialized now. */
4943 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
4944 LPFC_SLI_INTF_IF_TYPE_2
) {
4945 rc
= lpfc_pci_function_reset(phba
);
4950 /* Create the bootstrap mailbox command */
4951 rc
= lpfc_create_bootstrap_mbox(phba
);
4955 /* Set up the host's endian order with the device. */
4956 rc
= lpfc_setup_endian_order(phba
);
4958 goto out_free_bsmbx
;
4960 /* Set up the hba's configuration parameters. */
4961 rc
= lpfc_sli4_read_config(phba
);
4963 goto out_free_bsmbx
;
4965 /* IF Type 0 ports get initialized now. */
4966 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
4967 LPFC_SLI_INTF_IF_TYPE_0
) {
4968 rc
= lpfc_pci_function_reset(phba
);
4970 goto out_free_bsmbx
;
4973 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
4977 goto out_free_bsmbx
;
4980 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
4981 lpfc_supported_pages(mboxq
);
4982 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
4984 mqe
= &mboxq
->u
.mqe
;
4985 memcpy(&pn_page
[0], ((uint8_t *)&mqe
->un
.supp_pages
.word3
),
4986 LPFC_MAX_SUPPORTED_PAGES
);
4987 for (i
= 0; i
< LPFC_MAX_SUPPORTED_PAGES
; i
++) {
4988 switch (pn_page
[i
]) {
4989 case LPFC_SLI4_PARAMETERS
:
4990 phba
->sli4_hba
.pc_sli4_params
.supported
= 1;
4996 /* Read the port's SLI4 Parameters capabilities if supported. */
4997 if (phba
->sli4_hba
.pc_sli4_params
.supported
)
4998 rc
= lpfc_pc_sli4_params_get(phba
, mboxq
);
5000 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5002 goto out_free_bsmbx
;
5006 * Get sli4 parameters that override parameters from Port capabilities.
5007 * If this call fails, it isn't critical unless the SLI4 parameters come
5010 rc
= lpfc_get_sli4_parameters(phba
, mboxq
);
5012 if (phba
->sli4_hba
.extents_in_use
&&
5013 phba
->sli4_hba
.rpi_hdrs_in_use
) {
5014 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5015 "2999 Unsupported SLI4 Parameters "
5016 "Extents and RPI headers enabled.\n");
5017 goto out_free_bsmbx
;
5020 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5021 /* Verify all the SLI4 queues */
5022 rc
= lpfc_sli4_queue_verify(phba
);
5024 goto out_free_bsmbx
;
5026 /* Create driver internal CQE event pool */
5027 rc
= lpfc_sli4_cq_event_pool_create(phba
);
5029 goto out_free_bsmbx
;
5031 /* Initialize sgl lists per host */
5032 lpfc_init_sgl_list(phba
);
5034 /* Allocate and initialize active sgl array */
5035 rc
= lpfc_init_active_sgl_array(phba
);
5037 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5038 "1430 Failed to initialize sgl list.\n");
5039 goto out_destroy_cq_event_pool
;
5041 rc
= lpfc_sli4_init_rpi_hdrs(phba
);
5043 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5044 "1432 Failed to initialize rpi headers.\n");
5045 goto out_free_active_sgl
;
5048 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
5049 longs
= (LPFC_SLI4_FCF_TBL_INDX_MAX
+ BITS_PER_LONG
- 1)/BITS_PER_LONG
;
5050 phba
->fcf
.fcf_rr_bmask
= kzalloc(longs
* sizeof(unsigned long),
5052 if (!phba
->fcf
.fcf_rr_bmask
) {
5053 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5054 "2759 Failed allocate memory for FCF round "
5055 "robin failover bmask\n");
5057 goto out_remove_rpi_hdrs
;
5060 phba
->sli4_hba
.fcp_eq_hdl
=
5061 kzalloc((sizeof(struct lpfc_fcp_eq_hdl
) *
5062 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
5063 if (!phba
->sli4_hba
.fcp_eq_hdl
) {
5064 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5065 "2572 Failed allocate memory for "
5066 "fast-path per-EQ handle array\n");
5068 goto out_free_fcf_rr_bmask
;
5071 phba
->sli4_hba
.msix_entries
= kzalloc((sizeof(struct msix_entry
) *
5072 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
5073 if (!phba
->sli4_hba
.msix_entries
) {
5074 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5075 "2573 Failed allocate memory for msi-x "
5076 "interrupt vector entries\n");
5078 goto out_free_fcp_eq_hdl
;
5082 * Enable sr-iov virtual functions if supported and configured
5083 * through the module parameter.
5085 if (phba
->cfg_sriov_nr_virtfn
> 0) {
5086 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
5087 phba
->cfg_sriov_nr_virtfn
);
5089 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5090 "3020 Requested number of SR-IOV "
5091 "virtual functions (%d) is not "
5093 phba
->cfg_sriov_nr_virtfn
);
5094 phba
->cfg_sriov_nr_virtfn
= 0;
5100 out_free_fcp_eq_hdl
:
5101 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
5102 out_free_fcf_rr_bmask
:
5103 kfree(phba
->fcf
.fcf_rr_bmask
);
5104 out_remove_rpi_hdrs
:
5105 lpfc_sli4_remove_rpi_hdrs(phba
);
5106 out_free_active_sgl
:
5107 lpfc_free_active_sgl(phba
);
5108 out_destroy_cq_event_pool
:
5109 lpfc_sli4_cq_event_pool_destroy(phba
);
5111 lpfc_destroy_bootstrap_mbox(phba
);
5113 lpfc_mem_free(phba
);
5118 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
5119 * @phba: pointer to lpfc hba data structure.
5121 * This routine is invoked to unset the driver internal resources set up
5122 * specific for supporting the SLI-4 HBA device it attached to.
5125 lpfc_sli4_driver_resource_unset(struct lpfc_hba
*phba
)
5127 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
5129 /* Free memory allocated for msi-x interrupt vector entries */
5130 kfree(phba
->sli4_hba
.msix_entries
);
5132 /* Free memory allocated for fast-path work queue handles */
5133 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
5135 /* Free the allocated rpi headers. */
5136 lpfc_sli4_remove_rpi_hdrs(phba
);
5137 lpfc_sli4_remove_rpis(phba
);
5139 /* Free eligible FCF index bmask */
5140 kfree(phba
->fcf
.fcf_rr_bmask
);
5142 /* Free the ELS sgl list */
5143 lpfc_free_active_sgl(phba
);
5144 lpfc_free_els_sgl_list(phba
);
5146 /* Free the completion queue EQ event pool */
5147 lpfc_sli4_cq_event_release_all(phba
);
5148 lpfc_sli4_cq_event_pool_destroy(phba
);
5150 /* Release resource identifiers. */
5151 lpfc_sli4_dealloc_resource_identifiers(phba
);
5153 /* Free the bsmbx region. */
5154 lpfc_destroy_bootstrap_mbox(phba
);
5156 /* Free the SLI Layer memory with SLI4 HBAs */
5157 lpfc_mem_free_all(phba
);
5159 /* Free the current connect table */
5160 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
5161 &phba
->fcf_conn_rec_list
, list
) {
5162 list_del_init(&conn_entry
->list
);
5170 * lpfc_init_api_table_setup - Set up init api function jump table
5171 * @phba: The hba struct for which this call is being executed.
5172 * @dev_grp: The HBA PCI-Device group number.
5174 * This routine sets up the device INIT interface API function jump table
5177 * Returns: 0 - success, -ENODEV - failure.
5180 lpfc_init_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
5182 phba
->lpfc_hba_init_link
= lpfc_hba_init_link
;
5183 phba
->lpfc_hba_down_link
= lpfc_hba_down_link
;
5184 phba
->lpfc_selective_reset
= lpfc_selective_reset
;
5186 case LPFC_PCI_DEV_LP
:
5187 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s3
;
5188 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s3
;
5189 phba
->lpfc_stop_port
= lpfc_stop_port_s3
;
5191 case LPFC_PCI_DEV_OC
:
5192 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s4
;
5193 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s4
;
5194 phba
->lpfc_stop_port
= lpfc_stop_port_s4
;
5197 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5198 "1431 Invalid HBA PCI-device group: 0x%x\n",
5207 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
5208 * @phba: pointer to lpfc hba data structure.
5210 * This routine is invoked to set up the driver internal resources before the
5211 * device specific resource setup to support the HBA device it attached to.
5215 * other values - error
5218 lpfc_setup_driver_resource_phase1(struct lpfc_hba
*phba
)
5221 * Driver resources common to all SLI revisions
5223 atomic_set(&phba
->fast_event_count
, 0);
5224 spin_lock_init(&phba
->hbalock
);
5226 /* Initialize ndlp management spinlock */
5227 spin_lock_init(&phba
->ndlp_lock
);
5229 INIT_LIST_HEAD(&phba
->port_list
);
5230 INIT_LIST_HEAD(&phba
->work_list
);
5231 init_waitqueue_head(&phba
->wait_4_mlo_m_q
);
5233 /* Initialize the wait queue head for the kernel thread */
5234 init_waitqueue_head(&phba
->work_waitq
);
5236 /* Initialize the scsi buffer list used by driver for scsi IO */
5237 spin_lock_init(&phba
->scsi_buf_list_lock
);
5238 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list
);
5240 /* Initialize the fabric iocb list */
5241 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
5243 /* Initialize list to save ELS buffers */
5244 INIT_LIST_HEAD(&phba
->elsbuf
);
5246 /* Initialize FCF connection rec list */
5247 INIT_LIST_HEAD(&phba
->fcf_conn_rec_list
);
5253 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
5254 * @phba: pointer to lpfc hba data structure.
5256 * This routine is invoked to set up the driver internal resources after the
5257 * device specific resource setup to support the HBA device it attached to.
5261 * other values - error
5264 lpfc_setup_driver_resource_phase2(struct lpfc_hba
*phba
)
5268 /* Startup the kernel thread for this host adapter. */
5269 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
5270 "lpfc_worker_%d", phba
->brd_no
);
5271 if (IS_ERR(phba
->worker_thread
)) {
5272 error
= PTR_ERR(phba
->worker_thread
);
5280 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
5281 * @phba: pointer to lpfc hba data structure.
5283 * This routine is invoked to unset the driver internal resources set up after
5284 * the device specific resource setup for supporting the HBA device it
5288 lpfc_unset_driver_resource_phase2(struct lpfc_hba
*phba
)
5290 /* Stop kernel worker thread */
5291 kthread_stop(phba
->worker_thread
);
5295 * lpfc_free_iocb_list - Free iocb list.
5296 * @phba: pointer to lpfc hba data structure.
5298 * This routine is invoked to free the driver's IOCB list and memory.
5301 lpfc_free_iocb_list(struct lpfc_hba
*phba
)
5303 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
5305 spin_lock_irq(&phba
->hbalock
);
5306 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
5307 &phba
->lpfc_iocb_list
, list
) {
5308 list_del(&iocbq_entry
->list
);
5310 phba
->total_iocbq_bufs
--;
5312 spin_unlock_irq(&phba
->hbalock
);
5318 * lpfc_init_iocb_list - Allocate and initialize iocb list.
5319 * @phba: pointer to lpfc hba data structure.
5321 * This routine is invoked to allocate and initizlize the driver's IOCB
5322 * list and set up the IOCB tag array accordingly.
5326 * other values - error
5329 lpfc_init_iocb_list(struct lpfc_hba
*phba
, int iocb_count
)
5331 struct lpfc_iocbq
*iocbq_entry
= NULL
;
5335 /* Initialize and populate the iocb list per host. */
5336 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
5337 for (i
= 0; i
< iocb_count
; i
++) {
5338 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
5339 if (iocbq_entry
== NULL
) {
5340 printk(KERN_ERR
"%s: only allocated %d iocbs of "
5341 "expected %d count. Unloading driver.\n",
5342 __func__
, i
, LPFC_IOCB_LIST_CNT
);
5343 goto out_free_iocbq
;
5346 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
5349 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
5350 "Unloading driver.\n", __func__
);
5351 goto out_free_iocbq
;
5353 iocbq_entry
->sli4_lxritag
= NO_XRI
;
5354 iocbq_entry
->sli4_xritag
= NO_XRI
;
5356 spin_lock_irq(&phba
->hbalock
);
5357 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
5358 phba
->total_iocbq_bufs
++;
5359 spin_unlock_irq(&phba
->hbalock
);
5365 lpfc_free_iocb_list(phba
);
5371 * lpfc_free_sgl_list - Free a given sgl list.
5372 * @phba: pointer to lpfc hba data structure.
5373 * @sglq_list: pointer to the head of sgl list.
5375 * This routine is invoked to free a give sgl list and memory.
5378 lpfc_free_sgl_list(struct lpfc_hba
*phba
, struct list_head
*sglq_list
)
5380 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
5382 list_for_each_entry_safe(sglq_entry
, sglq_next
, sglq_list
, list
) {
5383 list_del(&sglq_entry
->list
);
5384 lpfc_mbuf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
5390 * lpfc_free_els_sgl_list - Free els sgl list.
5391 * @phba: pointer to lpfc hba data structure.
5393 * This routine is invoked to free the driver's els sgl list and memory.
5396 lpfc_free_els_sgl_list(struct lpfc_hba
*phba
)
5398 LIST_HEAD(sglq_list
);
5400 /* Retrieve all els sgls from driver list */
5401 spin_lock_irq(&phba
->hbalock
);
5402 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &sglq_list
);
5403 spin_unlock_irq(&phba
->hbalock
);
5405 /* Now free the sgl list */
5406 lpfc_free_sgl_list(phba
, &sglq_list
);
5410 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
5411 * @phba: pointer to lpfc hba data structure.
5413 * This routine is invoked to allocate the driver's active sgl memory.
5414 * This array will hold the sglq_entry's for active IOs.
5417 lpfc_init_active_sgl_array(struct lpfc_hba
*phba
)
5420 size
= sizeof(struct lpfc_sglq
*);
5421 size
*= phba
->sli4_hba
.max_cfg_param
.max_xri
;
5423 phba
->sli4_hba
.lpfc_sglq_active_list
=
5424 kzalloc(size
, GFP_KERNEL
);
5425 if (!phba
->sli4_hba
.lpfc_sglq_active_list
)
5431 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
5432 * @phba: pointer to lpfc hba data structure.
5434 * This routine is invoked to walk through the array of active sglq entries
5435 * and free all of the resources.
5436 * This is just a place holder for now.
5439 lpfc_free_active_sgl(struct lpfc_hba
*phba
)
5441 kfree(phba
->sli4_hba
.lpfc_sglq_active_list
);
5445 * lpfc_init_sgl_list - Allocate and initialize sgl list.
5446 * @phba: pointer to lpfc hba data structure.
5448 * This routine is invoked to allocate and initizlize the driver's sgl
5449 * list and set up the sgl xritag tag array accordingly.
5453 lpfc_init_sgl_list(struct lpfc_hba
*phba
)
5455 /* Initialize and populate the sglq list per host/VF. */
5456 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_sgl_list
);
5457 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
5459 /* els xri-sgl book keeping */
5460 phba
->sli4_hba
.els_xri_cnt
= 0;
5462 /* scsi xri-buffer book keeping */
5463 phba
->sli4_hba
.scsi_xri_cnt
= 0;
5467 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
5468 * @phba: pointer to lpfc hba data structure.
5470 * This routine is invoked to post rpi header templates to the
5471 * port for those SLI4 ports that do not support extents. This routine
5472 * posts a PAGE_SIZE memory region to the port to hold up to
5473 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
5474 * and should be called only when interrupts are disabled.
5478 * -ERROR - otherwise.
5481 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*phba
)
5484 struct lpfc_rpi_hdr
*rpi_hdr
;
5486 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5487 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5489 if (phba
->sli4_hba
.extents_in_use
)
5492 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
5494 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5495 "0391 Error during rpi post operation\n");
5496 lpfc_sli4_remove_rpis(phba
);
5504 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
5505 * @phba: pointer to lpfc hba data structure.
5507 * This routine is invoked to allocate a single 4KB memory region to
5508 * support rpis and stores them in the phba. This single region
5509 * provides support for up to 64 rpis. The region is used globally
5513 * A valid rpi hdr on success.
5514 * A NULL pointer on any failure.
5516 struct lpfc_rpi_hdr
*
5517 lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*phba
)
5519 uint16_t rpi_limit
, curr_rpi_range
;
5520 struct lpfc_dmabuf
*dmabuf
;
5521 struct lpfc_rpi_hdr
*rpi_hdr
;
5525 * If the SLI4 port supports extents, posting the rpi header isn't
5526 * required. Set the expected maximum count and let the actual value
5527 * get set when extents are fully allocated.
5529 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5531 if (phba
->sli4_hba
.extents_in_use
)
5534 /* The limit on the logical index is just the max_rpi count. */
5535 rpi_limit
= phba
->sli4_hba
.max_cfg_param
.rpi_base
+
5536 phba
->sli4_hba
.max_cfg_param
.max_rpi
- 1;
5538 spin_lock_irq(&phba
->hbalock
);
5540 * Establish the starting RPI in this header block. The starting
5541 * rpi is normalized to a zero base because the physical rpi is
5544 curr_rpi_range
= phba
->sli4_hba
.next_rpi
;
5545 spin_unlock_irq(&phba
->hbalock
);
5548 * The port has a limited number of rpis. The increment here
5549 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
5550 * and to allow the full max_rpi range per port.
5552 if ((curr_rpi_range
+ (LPFC_RPI_HDR_COUNT
- 1)) > rpi_limit
)
5553 rpi_count
= rpi_limit
- curr_rpi_range
;
5555 rpi_count
= LPFC_RPI_HDR_COUNT
;
5560 * First allocate the protocol header region for the port. The
5561 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
5563 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
5567 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
5568 LPFC_HDR_TEMPLATE_SIZE
,
5571 if (!dmabuf
->virt
) {
5573 goto err_free_dmabuf
;
5576 memset(dmabuf
->virt
, 0, LPFC_HDR_TEMPLATE_SIZE
);
5577 if (!IS_ALIGNED(dmabuf
->phys
, LPFC_HDR_TEMPLATE_SIZE
)) {
5579 goto err_free_coherent
;
5582 /* Save the rpi header data for cleanup later. */
5583 rpi_hdr
= kzalloc(sizeof(struct lpfc_rpi_hdr
), GFP_KERNEL
);
5585 goto err_free_coherent
;
5587 rpi_hdr
->dmabuf
= dmabuf
;
5588 rpi_hdr
->len
= LPFC_HDR_TEMPLATE_SIZE
;
5589 rpi_hdr
->page_count
= 1;
5590 spin_lock_irq(&phba
->hbalock
);
5592 /* The rpi_hdr stores the logical index only. */
5593 rpi_hdr
->start_rpi
= curr_rpi_range
;
5594 list_add_tail(&rpi_hdr
->list
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5597 * The next_rpi stores the next logical module-64 rpi value used
5598 * to post physical rpis in subsequent rpi postings.
5600 phba
->sli4_hba
.next_rpi
+= rpi_count
;
5601 spin_unlock_irq(&phba
->hbalock
);
5605 dma_free_coherent(&phba
->pcidev
->dev
, LPFC_HDR_TEMPLATE_SIZE
,
5606 dmabuf
->virt
, dmabuf
->phys
);
5613 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
5614 * @phba: pointer to lpfc hba data structure.
5616 * This routine is invoked to remove all memory resources allocated
5617 * to support rpis for SLI4 ports not supporting extents. This routine
5618 * presumes the caller has released all rpis consumed by fabric or port
5619 * logins and is prepared to have the header pages removed.
5622 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*phba
)
5624 struct lpfc_rpi_hdr
*rpi_hdr
, *next_rpi_hdr
;
5626 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5629 list_for_each_entry_safe(rpi_hdr
, next_rpi_hdr
,
5630 &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
5631 list_del(&rpi_hdr
->list
);
5632 dma_free_coherent(&phba
->pcidev
->dev
, rpi_hdr
->len
,
5633 rpi_hdr
->dmabuf
->virt
, rpi_hdr
->dmabuf
->phys
);
5634 kfree(rpi_hdr
->dmabuf
);
5638 /* There are no rpis available to the port now. */
5639 phba
->sli4_hba
.next_rpi
= 0;
5643 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
5644 * @pdev: pointer to pci device data structure.
5646 * This routine is invoked to allocate the driver hba data structure for an
5647 * HBA device. If the allocation is successful, the phba reference to the
5648 * PCI device data structure is set.
5651 * pointer to @phba - successful
5654 static struct lpfc_hba
*
5655 lpfc_hba_alloc(struct pci_dev
*pdev
)
5657 struct lpfc_hba
*phba
;
5659 /* Allocate memory for HBA structure */
5660 phba
= kzalloc(sizeof(struct lpfc_hba
), GFP_KERNEL
);
5662 dev_err(&pdev
->dev
, "failed to allocate hba struct\n");
5666 /* Set reference to PCI device in HBA structure */
5667 phba
->pcidev
= pdev
;
5669 /* Assign an unused board number */
5670 phba
->brd_no
= lpfc_get_instance();
5671 if (phba
->brd_no
< 0) {
5676 spin_lock_init(&phba
->ct_ev_lock
);
5677 INIT_LIST_HEAD(&phba
->ct_ev_waiters
);
5683 * lpfc_hba_free - Free driver hba data structure with a device.
5684 * @phba: pointer to lpfc hba data structure.
5686 * This routine is invoked to free the driver hba data structure with an
5690 lpfc_hba_free(struct lpfc_hba
*phba
)
5692 /* Release the driver assigned board number */
5693 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
5695 /* Free memory allocated with sli rings */
5696 kfree(phba
->sli
.ring
);
5697 phba
->sli
.ring
= NULL
;
5704 * lpfc_create_shost - Create hba physical port with associated scsi host.
5705 * @phba: pointer to lpfc hba data structure.
5707 * This routine is invoked to create HBA physical port and associate a SCSI
5712 * other values - error
5715 lpfc_create_shost(struct lpfc_hba
*phba
)
5717 struct lpfc_vport
*vport
;
5718 struct Scsi_Host
*shost
;
5720 /* Initialize HBA FC structure */
5721 phba
->fc_edtov
= FF_DEF_EDTOV
;
5722 phba
->fc_ratov
= FF_DEF_RATOV
;
5723 phba
->fc_altov
= FF_DEF_ALTOV
;
5724 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
5726 atomic_set(&phba
->sdev_cnt
, 0);
5727 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
5731 shost
= lpfc_shost_from_vport(vport
);
5732 phba
->pport
= vport
;
5733 lpfc_debugfs_initialize(vport
);
5734 /* Put reference to SCSI host to driver's device private data */
5735 pci_set_drvdata(phba
->pcidev
, shost
);
5741 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
5742 * @phba: pointer to lpfc hba data structure.
5744 * This routine is invoked to destroy HBA physical port and the associated
5748 lpfc_destroy_shost(struct lpfc_hba
*phba
)
5750 struct lpfc_vport
*vport
= phba
->pport
;
5752 /* Destroy physical port that associated with the SCSI host */
5753 destroy_port(vport
);
5759 * lpfc_setup_bg - Setup Block guard structures and debug areas.
5760 * @phba: pointer to lpfc hba data structure.
5761 * @shost: the shost to be used to detect Block guard settings.
5763 * This routine sets up the local Block guard protocol settings for @shost.
5764 * This routine also allocates memory for debugging bg buffers.
5767 lpfc_setup_bg(struct lpfc_hba
*phba
, struct Scsi_Host
*shost
)
5773 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
5774 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5775 "1478 Registering BlockGuard with the "
5778 old_mask
= lpfc_prot_mask
;
5779 old_guard
= lpfc_prot_guard
;
5781 /* Only allow supported values */
5782 lpfc_prot_mask
&= (SHOST_DIF_TYPE1_PROTECTION
|
5783 SHOST_DIX_TYPE0_PROTECTION
|
5784 SHOST_DIX_TYPE1_PROTECTION
);
5785 lpfc_prot_guard
&= (SHOST_DIX_GUARD_IP
| SHOST_DIX_GUARD_CRC
);
5787 /* DIF Type 1 protection for profiles AST1/C1 is end to end */
5788 if (lpfc_prot_mask
== SHOST_DIX_TYPE1_PROTECTION
)
5789 lpfc_prot_mask
|= SHOST_DIF_TYPE1_PROTECTION
;
5791 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
5792 if ((old_mask
!= lpfc_prot_mask
) ||
5793 (old_guard
!= lpfc_prot_guard
))
5794 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5795 "1475 Registering BlockGuard with the "
5796 "SCSI layer: mask %d guard %d\n",
5797 lpfc_prot_mask
, lpfc_prot_guard
);
5799 scsi_host_set_prot(shost
, lpfc_prot_mask
);
5800 scsi_host_set_guard(shost
, lpfc_prot_guard
);
5802 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5803 "1479 Not Registering BlockGuard with the SCSI "
5804 "layer, Bad protection parameters: %d %d\n",
5805 old_mask
, old_guard
);
5808 if (!_dump_buf_data
) {
5810 spin_lock_init(&_dump_buf_lock
);
5812 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
5813 if (_dump_buf_data
) {
5814 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5815 "9043 BLKGRD: allocated %d pages for "
5816 "_dump_buf_data at 0x%p\n",
5817 (1 << pagecnt
), _dump_buf_data
);
5818 _dump_buf_data_order
= pagecnt
;
5819 memset(_dump_buf_data
, 0,
5820 ((1 << PAGE_SHIFT
) << pagecnt
));
5825 if (!_dump_buf_data_order
)
5826 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5827 "9044 BLKGRD: ERROR unable to allocate "
5828 "memory for hexdump\n");
5830 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5831 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
5832 "\n", _dump_buf_data
);
5833 if (!_dump_buf_dif
) {
5836 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
5837 if (_dump_buf_dif
) {
5838 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5839 "9046 BLKGRD: allocated %d pages for "
5840 "_dump_buf_dif at 0x%p\n",
5841 (1 << pagecnt
), _dump_buf_dif
);
5842 _dump_buf_dif_order
= pagecnt
;
5843 memset(_dump_buf_dif
, 0,
5844 ((1 << PAGE_SHIFT
) << pagecnt
));
5849 if (!_dump_buf_dif_order
)
5850 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5851 "9047 BLKGRD: ERROR unable to allocate "
5852 "memory for hexdump\n");
5854 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5855 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
5860 * lpfc_post_init_setup - Perform necessary device post initialization setup.
5861 * @phba: pointer to lpfc hba data structure.
5863 * This routine is invoked to perform all the necessary post initialization
5864 * setup for the device.
5867 lpfc_post_init_setup(struct lpfc_hba
*phba
)
5869 struct Scsi_Host
*shost
;
5870 struct lpfc_adapter_event_header adapter_event
;
5872 /* Get the default values for Model Name and Description */
5873 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
5876 * hba setup may have changed the hba_queue_depth so we need to
5877 * adjust the value of can_queue.
5879 shost
= pci_get_drvdata(phba
->pcidev
);
5880 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
5881 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
5882 lpfc_setup_bg(phba
, shost
);
5884 lpfc_host_attrib_init(shost
);
5886 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
5887 spin_lock_irq(shost
->host_lock
);
5888 lpfc_poll_start_timer(phba
);
5889 spin_unlock_irq(shost
->host_lock
);
5892 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5893 "0428 Perform SCSI scan\n");
5894 /* Send board arrival event to upper layer */
5895 adapter_event
.event_type
= FC_REG_ADAPTER_EVENT
;
5896 adapter_event
.subcategory
= LPFC_EVENT_ARRIVAL
;
5897 fc_host_post_vendor_event(shost
, fc_get_event_number(),
5898 sizeof(adapter_event
),
5899 (char *) &adapter_event
,
5905 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
5906 * @phba: pointer to lpfc hba data structure.
5908 * This routine is invoked to set up the PCI device memory space for device
5909 * with SLI-3 interface spec.
5913 * other values - error
5916 lpfc_sli_pci_mem_setup(struct lpfc_hba
*phba
)
5918 struct pci_dev
*pdev
;
5919 unsigned long bar0map_len
, bar2map_len
;
5922 int error
= -ENODEV
;
5924 /* Obtain PCI device reference */
5928 pdev
= phba
->pcidev
;
5930 /* Set the device DMA mask size */
5931 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
5932 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
5933 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
5934 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
5939 /* Get the bus address of Bar0 and Bar2 and the number of bytes
5940 * required by each mapping.
5942 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
5943 bar0map_len
= pci_resource_len(pdev
, 0);
5945 phba
->pci_bar2_map
= pci_resource_start(pdev
, 2);
5946 bar2map_len
= pci_resource_len(pdev
, 2);
5948 /* Map HBA SLIM to a kernel virtual address. */
5949 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
5950 if (!phba
->slim_memmap_p
) {
5951 dev_printk(KERN_ERR
, &pdev
->dev
,
5952 "ioremap failed for SLIM memory.\n");
5956 /* Map HBA Control Registers to a kernel virtual address. */
5957 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
5958 if (!phba
->ctrl_regs_memmap_p
) {
5959 dev_printk(KERN_ERR
, &pdev
->dev
,
5960 "ioremap failed for HBA control registers.\n");
5961 goto out_iounmap_slim
;
5964 /* Allocate memory for SLI-2 structures */
5965 phba
->slim2p
.virt
= dma_alloc_coherent(&pdev
->dev
,
5969 if (!phba
->slim2p
.virt
)
5972 memset(phba
->slim2p
.virt
, 0, SLI2_SLIM_SIZE
);
5973 phba
->mbox
= phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, mbx
);
5974 phba
->mbox_ext
= (phba
->slim2p
.virt
+
5975 offsetof(struct lpfc_sli2_slim
, mbx_ext_words
));
5976 phba
->pcb
= (phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, pcb
));
5977 phba
->IOCBs
= (phba
->slim2p
.virt
+
5978 offsetof(struct lpfc_sli2_slim
, IOCBs
));
5980 phba
->hbqslimp
.virt
= dma_alloc_coherent(&pdev
->dev
,
5981 lpfc_sli_hbq_size(),
5982 &phba
->hbqslimp
.phys
,
5984 if (!phba
->hbqslimp
.virt
)
5987 hbq_count
= lpfc_sli_hbq_count();
5988 ptr
= phba
->hbqslimp
.virt
;
5989 for (i
= 0; i
< hbq_count
; ++i
) {
5990 phba
->hbqs
[i
].hbq_virt
= ptr
;
5991 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
5992 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
5993 sizeof(struct lpfc_hbq_entry
));
5995 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
5996 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
5998 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
6000 INIT_LIST_HEAD(&phba
->rb_pend_list
);
6002 phba
->MBslimaddr
= phba
->slim_memmap_p
;
6003 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
6004 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
6005 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
6006 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
6011 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
6012 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
6014 iounmap(phba
->ctrl_regs_memmap_p
);
6016 iounmap(phba
->slim_memmap_p
);
6022 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
6023 * @phba: pointer to lpfc hba data structure.
6025 * This routine is invoked to unset the PCI device memory space for device
6026 * with SLI-3 interface spec.
6029 lpfc_sli_pci_mem_unset(struct lpfc_hba
*phba
)
6031 struct pci_dev
*pdev
;
6033 /* Obtain PCI device reference */
6037 pdev
= phba
->pcidev
;
6039 /* Free coherent DMA memory allocated */
6040 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
6041 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
6042 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
6043 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
6045 /* I/O memory unmap */
6046 iounmap(phba
->ctrl_regs_memmap_p
);
6047 iounmap(phba
->slim_memmap_p
);
6053 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
6054 * @phba: pointer to lpfc hba data structure.
6056 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
6057 * done and check status.
6059 * Return 0 if successful, otherwise -ENODEV.
6062 lpfc_sli4_post_status_check(struct lpfc_hba
*phba
)
6064 struct lpfc_register portsmphr_reg
, uerrlo_reg
, uerrhi_reg
;
6065 struct lpfc_register reg_data
;
6066 int i
, port_error
= 0;
6069 memset(&portsmphr_reg
, 0, sizeof(portsmphr_reg
));
6070 memset(®_data
, 0, sizeof(reg_data
));
6071 if (!phba
->sli4_hba
.PSMPHRregaddr
)
6074 /* Wait up to 30 seconds for the SLI Port POST done and ready */
6075 for (i
= 0; i
< 3000; i
++) {
6076 if (lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
6077 &portsmphr_reg
.word0
) ||
6078 (bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
))) {
6079 /* Port has a fatal POST error, break out */
6080 port_error
= -ENODEV
;
6083 if (LPFC_POST_STAGE_PORT_READY
==
6084 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
))
6090 * If there was a port error during POST, then don't proceed with
6091 * other register reads as the data may not be valid. Just exit.
6094 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6095 "1408 Port Failed POST - portsmphr=0x%x, "
6096 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
6097 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
6098 portsmphr_reg
.word0
,
6099 bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
),
6100 bf_get(lpfc_port_smphr_sfi
, &portsmphr_reg
),
6101 bf_get(lpfc_port_smphr_nip
, &portsmphr_reg
),
6102 bf_get(lpfc_port_smphr_ipc
, &portsmphr_reg
),
6103 bf_get(lpfc_port_smphr_scr1
, &portsmphr_reg
),
6104 bf_get(lpfc_port_smphr_scr2
, &portsmphr_reg
),
6105 bf_get(lpfc_port_smphr_host_scratch
, &portsmphr_reg
),
6106 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
));
6108 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6109 "2534 Device Info: SLIFamily=0x%x, "
6110 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
6111 "SLIHint_2=0x%x, FT=0x%x\n",
6112 bf_get(lpfc_sli_intf_sli_family
,
6113 &phba
->sli4_hba
.sli_intf
),
6114 bf_get(lpfc_sli_intf_slirev
,
6115 &phba
->sli4_hba
.sli_intf
),
6116 bf_get(lpfc_sli_intf_if_type
,
6117 &phba
->sli4_hba
.sli_intf
),
6118 bf_get(lpfc_sli_intf_sli_hint1
,
6119 &phba
->sli4_hba
.sli_intf
),
6120 bf_get(lpfc_sli_intf_sli_hint2
,
6121 &phba
->sli4_hba
.sli_intf
),
6122 bf_get(lpfc_sli_intf_func_type
,
6123 &phba
->sli4_hba
.sli_intf
));
6125 * Check for other Port errors during the initialization
6126 * process. Fail the load if the port did not come up
6129 if_type
= bf_get(lpfc_sli_intf_if_type
,
6130 &phba
->sli4_hba
.sli_intf
);
6132 case LPFC_SLI_INTF_IF_TYPE_0
:
6133 phba
->sli4_hba
.ue_mask_lo
=
6134 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
);
6135 phba
->sli4_hba
.ue_mask_hi
=
6136 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
);
6138 readl(phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
);
6140 readl(phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
);
6141 if ((~phba
->sli4_hba
.ue_mask_lo
& uerrlo_reg
.word0
) ||
6142 (~phba
->sli4_hba
.ue_mask_hi
& uerrhi_reg
.word0
)) {
6143 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6144 "1422 Unrecoverable Error "
6145 "Detected during POST "
6146 "uerr_lo_reg=0x%x, "
6147 "uerr_hi_reg=0x%x, "
6148 "ue_mask_lo_reg=0x%x, "
6149 "ue_mask_hi_reg=0x%x\n",
6152 phba
->sli4_hba
.ue_mask_lo
,
6153 phba
->sli4_hba
.ue_mask_hi
);
6154 port_error
= -ENODEV
;
6157 case LPFC_SLI_INTF_IF_TYPE_2
:
6158 /* Final checks. The port status should be clean. */
6159 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
6161 (bf_get(lpfc_sliport_status_err
, ®_data
) &&
6162 !bf_get(lpfc_sliport_status_rn
, ®_data
))) {
6163 phba
->work_status
[0] =
6164 readl(phba
->sli4_hba
.u
.if_type2
.
6166 phba
->work_status
[1] =
6167 readl(phba
->sli4_hba
.u
.if_type2
.
6169 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6170 "2888 Unrecoverable port error "
6171 "following POST: port status reg "
6172 "0x%x, port_smphr reg 0x%x, "
6173 "error 1=0x%x, error 2=0x%x\n",
6175 portsmphr_reg
.word0
,
6176 phba
->work_status
[0],
6177 phba
->work_status
[1]);
6178 port_error
= -ENODEV
;
6181 case LPFC_SLI_INTF_IF_TYPE_1
:
6190 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
6191 * @phba: pointer to lpfc hba data structure.
6192 * @if_type: The SLI4 interface type getting configured.
6194 * This routine is invoked to set up SLI4 BAR0 PCI config space register
6198 lpfc_sli4_bar0_register_memmap(struct lpfc_hba
*phba
, uint32_t if_type
)
6201 case LPFC_SLI_INTF_IF_TYPE_0
:
6202 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
=
6203 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_LO
;
6204 phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
=
6205 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_HI
;
6206 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
=
6207 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_LO
;
6208 phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
=
6209 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_HI
;
6210 phba
->sli4_hba
.SLIINTFregaddr
=
6211 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
6213 case LPFC_SLI_INTF_IF_TYPE_2
:
6214 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
=
6215 phba
->sli4_hba
.conf_regs_memmap_p
+
6216 LPFC_CTL_PORT_ER1_OFFSET
;
6217 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
=
6218 phba
->sli4_hba
.conf_regs_memmap_p
+
6219 LPFC_CTL_PORT_ER2_OFFSET
;
6220 phba
->sli4_hba
.u
.if_type2
.CTRLregaddr
=
6221 phba
->sli4_hba
.conf_regs_memmap_p
+
6222 LPFC_CTL_PORT_CTL_OFFSET
;
6223 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
=
6224 phba
->sli4_hba
.conf_regs_memmap_p
+
6225 LPFC_CTL_PORT_STA_OFFSET
;
6226 phba
->sli4_hba
.SLIINTFregaddr
=
6227 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
6228 phba
->sli4_hba
.PSMPHRregaddr
=
6229 phba
->sli4_hba
.conf_regs_memmap_p
+
6230 LPFC_CTL_PORT_SEM_OFFSET
;
6231 phba
->sli4_hba
.RQDBregaddr
=
6232 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_RQ_DOORBELL
;
6233 phba
->sli4_hba
.WQDBregaddr
=
6234 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_WQ_DOORBELL
;
6235 phba
->sli4_hba
.EQCQDBregaddr
=
6236 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_EQCQ_DOORBELL
;
6237 phba
->sli4_hba
.MQDBregaddr
=
6238 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_MQ_DOORBELL
;
6239 phba
->sli4_hba
.BMBXregaddr
=
6240 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_BMBX
;
6242 case LPFC_SLI_INTF_IF_TYPE_1
:
6244 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
6245 "FATAL - unsupported SLI4 interface type - %d\n",
6252 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
6253 * @phba: pointer to lpfc hba data structure.
6255 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
6259 lpfc_sli4_bar1_register_memmap(struct lpfc_hba
*phba
)
6261 phba
->sli4_hba
.PSMPHRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6262 LPFC_SLIPORT_IF0_SMPHR
;
6263 phba
->sli4_hba
.ISRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6265 phba
->sli4_hba
.IMRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6267 phba
->sli4_hba
.ISCRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6272 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
6273 * @phba: pointer to lpfc hba data structure.
6274 * @vf: virtual function number
6276 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
6277 * based on the given viftual function number, @vf.
6279 * Return 0 if successful, otherwise -ENODEV.
6282 lpfc_sli4_bar2_register_memmap(struct lpfc_hba
*phba
, uint32_t vf
)
6284 if (vf
> LPFC_VIR_FUNC_MAX
)
6287 phba
->sli4_hba
.RQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6288 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_RQ_DOORBELL
);
6289 phba
->sli4_hba
.WQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6290 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_WQ_DOORBELL
);
6291 phba
->sli4_hba
.EQCQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6292 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_EQCQ_DOORBELL
);
6293 phba
->sli4_hba
.MQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6294 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_MQ_DOORBELL
);
6295 phba
->sli4_hba
.BMBXregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6296 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_BMBX
);
6301 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
6302 * @phba: pointer to lpfc hba data structure.
6304 * This routine is invoked to create the bootstrap mailbox
6305 * region consistent with the SLI-4 interface spec. This
6306 * routine allocates all memory necessary to communicate
6307 * mailbox commands to the port and sets up all alignment
6308 * needs. No locks are expected to be held when calling
6313 * -ENOMEM - could not allocated memory.
6316 lpfc_create_bootstrap_mbox(struct lpfc_hba
*phba
)
6319 struct lpfc_dmabuf
*dmabuf
;
6320 struct dma_address
*dma_address
;
6324 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
6329 * The bootstrap mailbox region is comprised of 2 parts
6330 * plus an alignment restriction of 16 bytes.
6332 bmbx_size
= sizeof(struct lpfc_bmbx_create
) + (LPFC_ALIGN_16_BYTE
- 1);
6333 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
6337 if (!dmabuf
->virt
) {
6341 memset(dmabuf
->virt
, 0, bmbx_size
);
6344 * Initialize the bootstrap mailbox pointers now so that the register
6345 * operations are simple later. The mailbox dma address is required
6346 * to be 16-byte aligned. Also align the virtual memory as each
6347 * maibox is copied into the bmbx mailbox region before issuing the
6348 * command to the port.
6350 phba
->sli4_hba
.bmbx
.dmabuf
= dmabuf
;
6351 phba
->sli4_hba
.bmbx
.bmbx_size
= bmbx_size
;
6353 phba
->sli4_hba
.bmbx
.avirt
= PTR_ALIGN(dmabuf
->virt
,
6354 LPFC_ALIGN_16_BYTE
);
6355 phba
->sli4_hba
.bmbx
.aphys
= ALIGN(dmabuf
->phys
,
6356 LPFC_ALIGN_16_BYTE
);
6359 * Set the high and low physical addresses now. The SLI4 alignment
6360 * requirement is 16 bytes and the mailbox is posted to the port
6361 * as two 30-bit addresses. The other data is a bit marking whether
6362 * the 30-bit address is the high or low address.
6363 * Upcast bmbx aphys to 64bits so shift instruction compiles
6364 * clean on 32 bit machines.
6366 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
6367 phys_addr
= (uint64_t)phba
->sli4_hba
.bmbx
.aphys
;
6368 pa_addr
= (uint32_t) ((phys_addr
>> 34) & 0x3fffffff);
6369 dma_address
->addr_hi
= (uint32_t) ((pa_addr
<< 2) |
6370 LPFC_BMBX_BIT1_ADDR_HI
);
6372 pa_addr
= (uint32_t) ((phba
->sli4_hba
.bmbx
.aphys
>> 4) & 0x3fffffff);
6373 dma_address
->addr_lo
= (uint32_t) ((pa_addr
<< 2) |
6374 LPFC_BMBX_BIT1_ADDR_LO
);
6379 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
6380 * @phba: pointer to lpfc hba data structure.
6382 * This routine is invoked to teardown the bootstrap mailbox
6383 * region and release all host resources. This routine requires
6384 * the caller to ensure all mailbox commands recovered, no
6385 * additional mailbox comands are sent, and interrupts are disabled
6386 * before calling this routine.
6390 lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*phba
)
6392 dma_free_coherent(&phba
->pcidev
->dev
,
6393 phba
->sli4_hba
.bmbx
.bmbx_size
,
6394 phba
->sli4_hba
.bmbx
.dmabuf
->virt
,
6395 phba
->sli4_hba
.bmbx
.dmabuf
->phys
);
6397 kfree(phba
->sli4_hba
.bmbx
.dmabuf
);
6398 memset(&phba
->sli4_hba
.bmbx
, 0, sizeof(struct lpfc_bmbx
));
6402 * lpfc_sli4_read_config - Get the config parameters.
6403 * @phba: pointer to lpfc hba data structure.
6405 * This routine is invoked to read the configuration parameters from the HBA.
6406 * The configuration parameters are used to set the base and maximum values
6407 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
6408 * allocation for the port.
6412 * -ENOMEM - No available memory
6413 * -EIO - The mailbox failed to complete successfully.
6416 lpfc_sli4_read_config(struct lpfc_hba
*phba
)
6419 struct lpfc_mbx_read_config
*rd_config
;
6420 union lpfc_sli4_cfg_shdr
*shdr
;
6421 uint32_t shdr_status
, shdr_add_status
;
6422 struct lpfc_mbx_get_func_cfg
*get_func_cfg
;
6423 struct lpfc_rsrc_desc_fcfcoe
*desc
;
6425 uint32_t desc_count
;
6426 int length
, i
, rc
= 0, rc2
;
6428 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
6430 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6431 "2011 Unable to allocate memory for issuing "
6432 "SLI_CONFIG_SPECIAL mailbox command\n");
6436 lpfc_read_config(phba
, pmb
);
6438 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6439 if (rc
!= MBX_SUCCESS
) {
6440 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6441 "2012 Mailbox failed , mbxCmd x%x "
6442 "READ_CONFIG, mbxStatus x%x\n",
6443 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6444 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6447 rd_config
= &pmb
->u
.mqe
.un
.rd_config
;
6448 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv
, rd_config
)) {
6449 phba
->sli4_hba
.lnk_info
.lnk_dv
= LPFC_LNK_DAT_VAL
;
6450 phba
->sli4_hba
.lnk_info
.lnk_tp
=
6451 bf_get(lpfc_mbx_rd_conf_lnk_type
, rd_config
);
6452 phba
->sli4_hba
.lnk_info
.lnk_no
=
6453 bf_get(lpfc_mbx_rd_conf_lnk_numb
, rd_config
);
6454 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6455 "3081 lnk_type:%d, lnk_numb:%d\n",
6456 phba
->sli4_hba
.lnk_info
.lnk_tp
,
6457 phba
->sli4_hba
.lnk_info
.lnk_no
);
6459 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
6460 "3082 Mailbox (x%x) returned ldv:x0\n",
6461 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
));
6462 phba
->sli4_hba
.extents_in_use
=
6463 bf_get(lpfc_mbx_rd_conf_extnts_inuse
, rd_config
);
6464 phba
->sli4_hba
.max_cfg_param
.max_xri
=
6465 bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
6466 phba
->sli4_hba
.max_cfg_param
.xri_base
=
6467 bf_get(lpfc_mbx_rd_conf_xri_base
, rd_config
);
6468 phba
->sli4_hba
.max_cfg_param
.max_vpi
=
6469 bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
);
6470 phba
->sli4_hba
.max_cfg_param
.vpi_base
=
6471 bf_get(lpfc_mbx_rd_conf_vpi_base
, rd_config
);
6472 phba
->sli4_hba
.max_cfg_param
.max_rpi
=
6473 bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
6474 phba
->sli4_hba
.max_cfg_param
.rpi_base
=
6475 bf_get(lpfc_mbx_rd_conf_rpi_base
, rd_config
);
6476 phba
->sli4_hba
.max_cfg_param
.max_vfi
=
6477 bf_get(lpfc_mbx_rd_conf_vfi_count
, rd_config
);
6478 phba
->sli4_hba
.max_cfg_param
.vfi_base
=
6479 bf_get(lpfc_mbx_rd_conf_vfi_base
, rd_config
);
6480 phba
->sli4_hba
.max_cfg_param
.max_fcfi
=
6481 bf_get(lpfc_mbx_rd_conf_fcfi_count
, rd_config
);
6482 phba
->sli4_hba
.max_cfg_param
.max_eq
=
6483 bf_get(lpfc_mbx_rd_conf_eq_count
, rd_config
);
6484 phba
->sli4_hba
.max_cfg_param
.max_rq
=
6485 bf_get(lpfc_mbx_rd_conf_rq_count
, rd_config
);
6486 phba
->sli4_hba
.max_cfg_param
.max_wq
=
6487 bf_get(lpfc_mbx_rd_conf_wq_count
, rd_config
);
6488 phba
->sli4_hba
.max_cfg_param
.max_cq
=
6489 bf_get(lpfc_mbx_rd_conf_cq_count
, rd_config
);
6490 phba
->lmt
= bf_get(lpfc_mbx_rd_conf_lmt
, rd_config
);
6491 phba
->sli4_hba
.next_xri
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
6492 phba
->vpi_base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
6493 phba
->vfi_base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
6494 phba
->max_vpi
= (phba
->sli4_hba
.max_cfg_param
.max_vpi
> 0) ?
6495 (phba
->sli4_hba
.max_cfg_param
.max_vpi
- 1) : 0;
6496 phba
->max_vports
= phba
->max_vpi
;
6497 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6498 "2003 cfg params Extents? %d "
6504 phba
->sli4_hba
.extents_in_use
,
6505 phba
->sli4_hba
.max_cfg_param
.xri_base
,
6506 phba
->sli4_hba
.max_cfg_param
.max_xri
,
6507 phba
->sli4_hba
.max_cfg_param
.vpi_base
,
6508 phba
->sli4_hba
.max_cfg_param
.max_vpi
,
6509 phba
->sli4_hba
.max_cfg_param
.vfi_base
,
6510 phba
->sli4_hba
.max_cfg_param
.max_vfi
,
6511 phba
->sli4_hba
.max_cfg_param
.rpi_base
,
6512 phba
->sli4_hba
.max_cfg_param
.max_rpi
,
6513 phba
->sli4_hba
.max_cfg_param
.max_fcfi
);
6519 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
6520 if (phba
->cfg_hba_queue_depth
>
6521 (phba
->sli4_hba
.max_cfg_param
.max_xri
-
6522 lpfc_sli4_get_els_iocb_cnt(phba
)))
6523 phba
->cfg_hba_queue_depth
=
6524 phba
->sli4_hba
.max_cfg_param
.max_xri
-
6525 lpfc_sli4_get_els_iocb_cnt(phba
);
6527 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
6528 LPFC_SLI_INTF_IF_TYPE_2
)
6531 /* get the pf# and vf# for SLI4 if_type 2 port */
6532 length
= (sizeof(struct lpfc_mbx_get_func_cfg
) -
6533 sizeof(struct lpfc_sli4_cfg_mhdr
));
6534 lpfc_sli4_config(phba
, pmb
, LPFC_MBOX_SUBSYSTEM_COMMON
,
6535 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG
,
6536 length
, LPFC_SLI4_MBX_EMBED
);
6538 rc2
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6539 shdr
= (union lpfc_sli4_cfg_shdr
*)
6540 &pmb
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
6541 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
6542 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
6543 if (rc2
|| shdr_status
|| shdr_add_status
) {
6544 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6545 "3026 Mailbox failed , mbxCmd x%x "
6546 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
6547 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6548 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6552 /* search for fc_fcoe resrouce descriptor */
6553 get_func_cfg
= &pmb
->u
.mqe
.un
.get_func_cfg
;
6554 desc_count
= get_func_cfg
->func_cfg
.rsrc_desc_count
;
6556 pdesc_0
= (char *)&get_func_cfg
->func_cfg
.desc
[0];
6557 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)pdesc_0
;
6558 length
= bf_get(lpfc_rsrc_desc_fcfcoe_length
, desc
);
6559 if (length
== LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD
)
6560 length
= LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH
;
6561 else if (length
!= LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH
)
6564 for (i
= 0; i
< LPFC_RSRC_DESC_MAX_NUM
; i
++) {
6565 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)(pdesc_0
+ length
* i
);
6566 if (LPFC_RSRC_DESC_TYPE_FCFCOE
==
6567 bf_get(lpfc_rsrc_desc_fcfcoe_type
, desc
)) {
6568 phba
->sli4_hba
.iov
.pf_number
=
6569 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum
, desc
);
6570 phba
->sli4_hba
.iov
.vf_number
=
6571 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum
, desc
);
6576 if (i
< LPFC_RSRC_DESC_MAX_NUM
)
6577 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6578 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
6579 "vf_number:%d\n", phba
->sli4_hba
.iov
.pf_number
,
6580 phba
->sli4_hba
.iov
.vf_number
);
6582 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6583 "3028 GET_FUNCTION_CONFIG: failed to find "
6584 "Resrouce Descriptor:x%x\n",
6585 LPFC_RSRC_DESC_TYPE_FCFCOE
);
6588 mempool_free(pmb
, phba
->mbox_mem_pool
);
6593 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
6594 * @phba: pointer to lpfc hba data structure.
6596 * This routine is invoked to setup the port-side endian order when
6597 * the port if_type is 0. This routine has no function for other
6602 * -ENOMEM - No available memory
6603 * -EIO - The mailbox failed to complete successfully.
6606 lpfc_setup_endian_order(struct lpfc_hba
*phba
)
6608 LPFC_MBOXQ_t
*mboxq
;
6609 uint32_t if_type
, rc
= 0;
6610 uint32_t endian_mb_data
[2] = {HOST_ENDIAN_LOW_WORD0
,
6611 HOST_ENDIAN_HIGH_WORD1
};
6613 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
6615 case LPFC_SLI_INTF_IF_TYPE_0
:
6616 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
6619 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6620 "0492 Unable to allocate memory for "
6621 "issuing SLI_CONFIG_SPECIAL mailbox "
6627 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
6628 * two words to contain special data values and no other data.
6630 memset(mboxq
, 0, sizeof(LPFC_MBOXQ_t
));
6631 memcpy(&mboxq
->u
.mqe
, &endian_mb_data
, sizeof(endian_mb_data
));
6632 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6633 if (rc
!= MBX_SUCCESS
) {
6634 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6635 "0493 SLI_CONFIG_SPECIAL mailbox "
6636 "failed with status x%x\n",
6640 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6642 case LPFC_SLI_INTF_IF_TYPE_2
:
6643 case LPFC_SLI_INTF_IF_TYPE_1
:
6651 * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
6652 * @phba: pointer to lpfc hba data structure.
6654 * This routine is invoked to check the user settable queue counts for EQs and
6655 * CQs. after this routine is called the counts will be set to valid values that
6656 * adhere to the constraints of the system's interrupt vectors and the port's
6661 * -ENOMEM - No available memory
6664 lpfc_sli4_queue_verify(struct lpfc_hba
*phba
)
6666 int cfg_fcp_io_channel
;
6672 * Sanity check for configured queue parameters against the run-time
6676 /* Sanity check on HBA EQ parameters */
6677 cfg_fcp_io_channel
= phba
->cfg_fcp_io_channel
;
6679 /* It doesn't make sense to have more io channels then CPUs */
6680 for_each_online_cpu(cpu
) {
6683 if (i
< cfg_fcp_io_channel
) {
6684 lpfc_printf_log(phba
,
6686 "3188 Reducing IO channels to match number of "
6687 "CPUs: from %d to %d\n", cfg_fcp_io_channel
, i
);
6688 cfg_fcp_io_channel
= i
;
6691 if (cfg_fcp_io_channel
>
6692 phba
->sli4_hba
.max_cfg_param
.max_eq
) {
6693 if (phba
->sli4_hba
.max_cfg_param
.max_eq
<
6694 LPFC_FCP_IO_CHAN_MIN
) {
6695 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6696 "2574 Not enough EQs (%d) from the "
6697 "pci function for supporting FCP "
6699 phba
->sli4_hba
.max_cfg_param
.max_eq
,
6700 phba
->cfg_fcp_io_channel
);
6703 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6704 "2575 Reducing IO channels to match number of "
6705 "available EQs: from %d to %d\n",
6707 phba
->sli4_hba
.max_cfg_param
.max_eq
);
6708 cfg_fcp_io_channel
= phba
->sli4_hba
.max_cfg_param
.max_eq
;
6711 /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
6713 /* The actual number of FCP event queues adopted */
6714 phba
->cfg_fcp_eq_count
= cfg_fcp_io_channel
;
6715 phba
->cfg_fcp_wq_count
= cfg_fcp_io_channel
;
6716 phba
->cfg_fcp_io_channel
= cfg_fcp_io_channel
;
6718 /* Get EQ depth from module parameter, fake the default for now */
6719 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
6720 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
6722 /* Get CQ depth from module parameter, fake the default for now */
6723 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
6724 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
6732 * lpfc_sli4_queue_create - Create all the SLI4 queues
6733 * @phba: pointer to lpfc hba data structure.
6735 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
6736 * operation. For each SLI4 queue type, the parameters such as queue entry
6737 * count (queue depth) shall be taken from the module parameter. For now,
6738 * we just use some constant number as place holder.
6742 * -ENOMEM - No availble memory
6743 * -EIO - The mailbox failed to complete successfully.
6746 lpfc_sli4_queue_create(struct lpfc_hba
*phba
)
6748 struct lpfc_queue
*qdesc
;
6752 * Create HBA Record arrays.
6754 if (!phba
->cfg_fcp_io_channel
)
6757 phba
->sli4_hba
.mq_esize
= LPFC_MQE_SIZE
;
6758 phba
->sli4_hba
.mq_ecount
= LPFC_MQE_DEF_COUNT
;
6759 phba
->sli4_hba
.wq_esize
= LPFC_WQE_SIZE
;
6760 phba
->sli4_hba
.wq_ecount
= LPFC_WQE_DEF_COUNT
;
6761 phba
->sli4_hba
.rq_esize
= LPFC_RQE_SIZE
;
6762 phba
->sli4_hba
.rq_ecount
= LPFC_RQE_DEF_COUNT
;
6764 phba
->sli4_hba
.hba_eq
= kzalloc((sizeof(struct lpfc_queue
*) *
6765 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
6766 if (!phba
->sli4_hba
.hba_eq
) {
6767 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6768 "2576 Failed allocate memory for "
6769 "fast-path EQ record array\n");
6773 phba
->sli4_hba
.fcp_cq
= kzalloc((sizeof(struct lpfc_queue
*) *
6774 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
6775 if (!phba
->sli4_hba
.fcp_cq
) {
6776 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6777 "2577 Failed allocate memory for fast-path "
6778 "CQ record array\n");
6782 phba
->sli4_hba
.fcp_wq
= kzalloc((sizeof(struct lpfc_queue
*) *
6783 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
6784 if (!phba
->sli4_hba
.fcp_wq
) {
6785 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6786 "2578 Failed allocate memory for fast-path "
6787 "WQ record array\n");
6792 * Since the first EQ can have multiple CQs associated with it,
6793 * this array is used to quickly see if we have a FCP fast-path
6796 phba
->sli4_hba
.fcp_cq_map
= kzalloc((sizeof(uint16_t) *
6797 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
6798 if (!phba
->sli4_hba
.fcp_cq_map
) {
6799 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6800 "2545 Failed allocate memory for fast-path "
6806 * Create HBA Event Queues (EQs). The cfg_fcp_io_channel specifies
6807 * how many EQs to create.
6809 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
6812 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
6813 phba
->sli4_hba
.eq_ecount
);
6815 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6816 "0497 Failed allocate EQ (%d)\n", idx
);
6819 phba
->sli4_hba
.hba_eq
[idx
] = qdesc
;
6821 /* Create Fast Path FCP CQs */
6822 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6823 phba
->sli4_hba
.cq_ecount
);
6825 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6826 "0499 Failed allocate fast-path FCP "
6830 phba
->sli4_hba
.fcp_cq
[idx
] = qdesc
;
6832 /* Create Fast Path FCP WQs */
6833 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
6834 phba
->sli4_hba
.wq_ecount
);
6836 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6837 "0503 Failed allocate fast-path FCP "
6841 phba
->sli4_hba
.fcp_wq
[idx
] = qdesc
;
6846 * Create Slow Path Completion Queues (CQs)
6849 /* Create slow-path Mailbox Command Complete Queue */
6850 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6851 phba
->sli4_hba
.cq_ecount
);
6853 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6854 "0500 Failed allocate slow-path mailbox CQ\n");
6857 phba
->sli4_hba
.mbx_cq
= qdesc
;
6859 /* Create slow-path ELS Complete Queue */
6860 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6861 phba
->sli4_hba
.cq_ecount
);
6863 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6864 "0501 Failed allocate slow-path ELS CQ\n");
6867 phba
->sli4_hba
.els_cq
= qdesc
;
6871 * Create Slow Path Work Queues (WQs)
6874 /* Create Mailbox Command Queue */
6876 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.mq_esize
,
6877 phba
->sli4_hba
.mq_ecount
);
6879 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6880 "0505 Failed allocate slow-path MQ\n");
6883 phba
->sli4_hba
.mbx_wq
= qdesc
;
6886 * Create ELS Work Queues
6889 /* Create slow-path ELS Work Queue */
6890 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
6891 phba
->sli4_hba
.wq_ecount
);
6893 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6894 "0504 Failed allocate slow-path ELS WQ\n");
6897 phba
->sli4_hba
.els_wq
= qdesc
;
6900 * Create Receive Queue (RQ)
6903 /* Create Receive Queue for header */
6904 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
6905 phba
->sli4_hba
.rq_ecount
);
6907 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6908 "0506 Failed allocate receive HRQ\n");
6911 phba
->sli4_hba
.hdr_rq
= qdesc
;
6913 /* Create Receive Queue for data */
6914 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
6915 phba
->sli4_hba
.rq_ecount
);
6917 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6918 "0507 Failed allocate receive DRQ\n");
6921 phba
->sli4_hba
.dat_rq
= qdesc
;
6926 lpfc_sli4_queue_destroy(phba
);
6931 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
6932 * @phba: pointer to lpfc hba data structure.
6934 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
6939 * -ENOMEM - No available memory
6940 * -EIO - The mailbox failed to complete successfully.
6943 lpfc_sli4_queue_destroy(struct lpfc_hba
*phba
)
6947 if (phba
->sli4_hba
.hba_eq
!= NULL
) {
6948 /* Release HBA event queue */
6949 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
6950 if (phba
->sli4_hba
.hba_eq
[idx
] != NULL
) {
6951 lpfc_sli4_queue_free(
6952 phba
->sli4_hba
.hba_eq
[idx
]);
6953 phba
->sli4_hba
.hba_eq
[idx
] = NULL
;
6956 kfree(phba
->sli4_hba
.hba_eq
);
6957 phba
->sli4_hba
.hba_eq
= NULL
;
6960 if (phba
->sli4_hba
.fcp_cq
!= NULL
) {
6961 /* Release FCP completion queue */
6962 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
6963 if (phba
->sli4_hba
.fcp_cq
[idx
] != NULL
) {
6964 lpfc_sli4_queue_free(
6965 phba
->sli4_hba
.fcp_cq
[idx
]);
6966 phba
->sli4_hba
.fcp_cq
[idx
] = NULL
;
6969 kfree(phba
->sli4_hba
.fcp_cq
);
6970 phba
->sli4_hba
.fcp_cq
= NULL
;
6973 if (phba
->sli4_hba
.fcp_wq
!= NULL
) {
6974 /* Release FCP work queue */
6975 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
6976 if (phba
->sli4_hba
.fcp_wq
[idx
] != NULL
) {
6977 lpfc_sli4_queue_free(
6978 phba
->sli4_hba
.fcp_wq
[idx
]);
6979 phba
->sli4_hba
.fcp_wq
[idx
] = NULL
;
6982 kfree(phba
->sli4_hba
.fcp_wq
);
6983 phba
->sli4_hba
.fcp_wq
= NULL
;
6986 /* Release FCP CQ mapping array */
6987 if (phba
->sli4_hba
.fcp_cq_map
!= NULL
) {
6988 kfree(phba
->sli4_hba
.fcp_cq_map
);
6989 phba
->sli4_hba
.fcp_cq_map
= NULL
;
6992 /* Release mailbox command work queue */
6993 if (phba
->sli4_hba
.mbx_wq
!= NULL
) {
6994 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
6995 phba
->sli4_hba
.mbx_wq
= NULL
;
6998 /* Release ELS work queue */
6999 if (phba
->sli4_hba
.els_wq
!= NULL
) {
7000 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
7001 phba
->sli4_hba
.els_wq
= NULL
;
7004 /* Release unsolicited receive queue */
7005 if (phba
->sli4_hba
.hdr_rq
!= NULL
) {
7006 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
7007 phba
->sli4_hba
.hdr_rq
= NULL
;
7009 if (phba
->sli4_hba
.dat_rq
!= NULL
) {
7010 lpfc_sli4_queue_free(phba
->sli4_hba
.dat_rq
);
7011 phba
->sli4_hba
.dat_rq
= NULL
;
7014 /* Release ELS complete queue */
7015 if (phba
->sli4_hba
.els_cq
!= NULL
) {
7016 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
7017 phba
->sli4_hba
.els_cq
= NULL
;
7020 /* Release mailbox command complete queue */
7021 if (phba
->sli4_hba
.mbx_cq
!= NULL
) {
7022 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
7023 phba
->sli4_hba
.mbx_cq
= NULL
;
7030 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
7031 * @phba: pointer to lpfc hba data structure.
7033 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
7038 * -ENOMEM - No available memory
7039 * -EIO - The mailbox failed to complete successfully.
7042 lpfc_sli4_queue_setup(struct lpfc_hba
*phba
)
7044 struct lpfc_sli
*psli
= &phba
->sli
;
7045 struct lpfc_sli_ring
*pring
;
7047 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
7048 int fcp_cq_index
= 0;
7051 * Set up HBA Event Queues (EQs)
7054 /* Set up HBA event queue */
7055 if (phba
->cfg_fcp_io_channel
&& !phba
->sli4_hba
.hba_eq
) {
7056 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7057 "3147 Fast-path EQs not allocated\n");
7061 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_io_channel
; fcp_eqidx
++) {
7062 if (!phba
->sli4_hba
.hba_eq
[fcp_eqidx
]) {
7063 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7064 "0522 Fast-path EQ (%d) not "
7065 "allocated\n", fcp_eqidx
);
7067 goto out_destroy_hba_eq
;
7069 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.hba_eq
[fcp_eqidx
],
7070 (phba
->cfg_fcp_imax
/ phba
->cfg_fcp_io_channel
));
7072 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7073 "0523 Failed setup of fast-path EQ "
7074 "(%d), rc = 0x%x\n", fcp_eqidx
, rc
);
7075 goto out_destroy_hba_eq
;
7077 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7078 "2584 HBA EQ setup: "
7079 "queue[%d]-id=%d\n", fcp_eqidx
,
7080 phba
->sli4_hba
.hba_eq
[fcp_eqidx
]->queue_id
);
7083 /* Set up fast-path FCP Response Complete Queue */
7084 if (!phba
->sli4_hba
.fcp_cq
) {
7085 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7086 "3148 Fast-path FCP CQ array not "
7089 goto out_destroy_hba_eq
;
7092 for (fcp_cqidx
= 0; fcp_cqidx
< phba
->cfg_fcp_io_channel
; fcp_cqidx
++) {
7093 if (!phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]) {
7094 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7095 "0526 Fast-path FCP CQ (%d) not "
7096 "allocated\n", fcp_cqidx
);
7098 goto out_destroy_fcp_cq
;
7100 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
7101 phba
->sli4_hba
.hba_eq
[fcp_cqidx
], LPFC_WCQ
, LPFC_FCP
);
7103 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7104 "0527 Failed setup of fast-path FCP "
7105 "CQ (%d), rc = 0x%x\n", fcp_cqidx
, rc
);
7106 goto out_destroy_fcp_cq
;
7109 /* Setup fcp_cq_map for fast lookup */
7110 phba
->sli4_hba
.fcp_cq_map
[fcp_cqidx
] =
7111 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
;
7113 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7114 "2588 FCP CQ setup: cq[%d]-id=%d, "
7115 "parent seq[%d]-id=%d\n",
7117 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
,
7119 phba
->sli4_hba
.hba_eq
[fcp_cqidx
]->queue_id
);
7122 /* Set up fast-path FCP Work Queue */
7123 if (!phba
->sli4_hba
.fcp_wq
) {
7124 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7125 "3149 Fast-path FCP WQ array not "
7128 goto out_destroy_fcp_cq
;
7131 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_io_channel
; fcp_wqidx
++) {
7132 if (!phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]) {
7133 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7134 "0534 Fast-path FCP WQ (%d) not "
7135 "allocated\n", fcp_wqidx
);
7137 goto out_destroy_fcp_wq
;
7139 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
],
7140 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
],
7143 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7144 "0535 Failed setup of fast-path FCP "
7145 "WQ (%d), rc = 0x%x\n", fcp_wqidx
, rc
);
7146 goto out_destroy_fcp_wq
;
7149 /* Bind this WQ to the next FCP ring */
7150 pring
= &psli
->ring
[MAX_SLI3_CONFIGURED_RINGS
+ fcp_wqidx
];
7151 pring
->sli
.sli4
.wqp
= (void *)phba
->sli4_hba
.fcp_wq
[fcp_wqidx
];
7152 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
]->pring
= pring
;
7154 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7155 "2591 FCP WQ setup: wq[%d]-id=%d, "
7156 "parent cq[%d]-id=%d\n",
7158 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]->queue_id
,
7160 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
]->queue_id
);
7163 * Set up Complete Queues (CQs)
7166 /* Set up slow-path MBOX Complete Queue as the first CQ */
7167 if (!phba
->sli4_hba
.mbx_cq
) {
7168 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7169 "0528 Mailbox CQ not allocated\n");
7171 goto out_destroy_fcp_wq
;
7173 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.mbx_cq
,
7174 phba
->sli4_hba
.hba_eq
[0], LPFC_MCQ
, LPFC_MBOX
);
7176 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7177 "0529 Failed setup of slow-path mailbox CQ: "
7179 goto out_destroy_fcp_wq
;
7181 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7182 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
7183 phba
->sli4_hba
.mbx_cq
->queue_id
,
7184 phba
->sli4_hba
.hba_eq
[0]->queue_id
);
7186 /* Set up slow-path ELS Complete Queue */
7187 if (!phba
->sli4_hba
.els_cq
) {
7188 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7189 "0530 ELS CQ not allocated\n");
7191 goto out_destroy_mbx_cq
;
7193 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.els_cq
,
7194 phba
->sli4_hba
.hba_eq
[0], LPFC_WCQ
, LPFC_ELS
);
7196 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7197 "0531 Failed setup of slow-path ELS CQ: "
7199 goto out_destroy_mbx_cq
;
7201 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7202 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
7203 phba
->sli4_hba
.els_cq
->queue_id
,
7204 phba
->sli4_hba
.hba_eq
[0]->queue_id
);
7207 * Set up all the Work Queues (WQs)
7210 /* Set up Mailbox Command Queue */
7211 if (!phba
->sli4_hba
.mbx_wq
) {
7212 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7213 "0538 Slow-path MQ not allocated\n");
7215 goto out_destroy_els_cq
;
7217 rc
= lpfc_mq_create(phba
, phba
->sli4_hba
.mbx_wq
,
7218 phba
->sli4_hba
.mbx_cq
, LPFC_MBOX
);
7220 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7221 "0539 Failed setup of slow-path MQ: "
7223 goto out_destroy_els_cq
;
7225 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7226 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
7227 phba
->sli4_hba
.mbx_wq
->queue_id
,
7228 phba
->sli4_hba
.mbx_cq
->queue_id
);
7230 /* Set up slow-path ELS Work Queue */
7231 if (!phba
->sli4_hba
.els_wq
) {
7232 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7233 "0536 Slow-path ELS WQ not allocated\n");
7235 goto out_destroy_mbx_wq
;
7237 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.els_wq
,
7238 phba
->sli4_hba
.els_cq
, LPFC_ELS
);
7240 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7241 "0537 Failed setup of slow-path ELS WQ: "
7243 goto out_destroy_mbx_wq
;
7246 /* Bind this WQ to the ELS ring */
7247 pring
= &psli
->ring
[LPFC_ELS_RING
];
7248 pring
->sli
.sli4
.wqp
= (void *)phba
->sli4_hba
.els_wq
;
7249 phba
->sli4_hba
.els_cq
->pring
= pring
;
7251 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7252 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
7253 phba
->sli4_hba
.els_wq
->queue_id
,
7254 phba
->sli4_hba
.els_cq
->queue_id
);
7257 * Create Receive Queue (RQ)
7259 if (!phba
->sli4_hba
.hdr_rq
|| !phba
->sli4_hba
.dat_rq
) {
7260 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7261 "0540 Receive Queue not allocated\n");
7263 goto out_destroy_els_wq
;
7266 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.hdr_rq
, LPFC_ELS_HBQ
);
7267 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.dat_rq
, LPFC_ELS_HBQ
);
7269 rc
= lpfc_rq_create(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
7270 phba
->sli4_hba
.els_cq
, LPFC_USOL
);
7272 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7273 "0541 Failed setup of Receive Queue: "
7275 goto out_destroy_fcp_wq
;
7278 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7279 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
7280 "parent cq-id=%d\n",
7281 phba
->sli4_hba
.hdr_rq
->queue_id
,
7282 phba
->sli4_hba
.dat_rq
->queue_id
,
7283 phba
->sli4_hba
.els_cq
->queue_id
);
7287 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
7289 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
7291 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
7293 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
7295 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--)
7296 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
7298 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--)
7299 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
7301 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--)
7302 lpfc_eq_destroy(phba
, phba
->sli4_hba
.hba_eq
[fcp_eqidx
]);
7308 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
7309 * @phba: pointer to lpfc hba data structure.
7311 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
7316 * -ENOMEM - No available memory
7317 * -EIO - The mailbox failed to complete successfully.
7320 lpfc_sli4_queue_unset(struct lpfc_hba
*phba
)
7324 /* Unset mailbox command work queue */
7325 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
7326 /* Unset ELS work queue */
7327 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
7328 /* Unset unsolicited receive queue */
7329 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
);
7330 /* Unset FCP work queue */
7331 if (phba
->sli4_hba
.fcp_wq
) {
7332 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7334 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
7336 /* Unset mailbox command complete queue */
7337 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
7338 /* Unset ELS complete queue */
7339 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
7340 /* Unset FCP response complete queue */
7341 if (phba
->sli4_hba
.fcp_cq
) {
7342 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7344 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
7346 /* Unset fast-path event queue */
7347 if (phba
->sli4_hba
.hba_eq
) {
7348 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7350 lpfc_eq_destroy(phba
, phba
->sli4_hba
.hba_eq
[fcp_qidx
]);
7355 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
7356 * @phba: pointer to lpfc hba data structure.
7358 * This routine is invoked to allocate and set up a pool of completion queue
7359 * events. The body of the completion queue event is a completion queue entry
7360 * CQE. For now, this pool is used for the interrupt service routine to queue
7361 * the following HBA completion queue events for the worker thread to process:
7362 * - Mailbox asynchronous events
7363 * - Receive queue completion unsolicited events
7364 * Later, this can be used for all the slow-path events.
7368 * -ENOMEM - No available memory
7371 lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*phba
)
7373 struct lpfc_cq_event
*cq_event
;
7376 for (i
= 0; i
< (4 * phba
->sli4_hba
.cq_ecount
); i
++) {
7377 cq_event
= kmalloc(sizeof(struct lpfc_cq_event
), GFP_KERNEL
);
7379 goto out_pool_create_fail
;
7380 list_add_tail(&cq_event
->list
,
7381 &phba
->sli4_hba
.sp_cqe_event_pool
);
7385 out_pool_create_fail
:
7386 lpfc_sli4_cq_event_pool_destroy(phba
);
7391 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
7392 * @phba: pointer to lpfc hba data structure.
7394 * This routine is invoked to free the pool of completion queue events at
7395 * driver unload time. Note that, it is the responsibility of the driver
7396 * cleanup routine to free all the outstanding completion-queue events
7397 * allocated from this pool back into the pool before invoking this routine
7398 * to destroy the pool.
7401 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*phba
)
7403 struct lpfc_cq_event
*cq_event
, *next_cq_event
;
7405 list_for_each_entry_safe(cq_event
, next_cq_event
,
7406 &phba
->sli4_hba
.sp_cqe_event_pool
, list
) {
7407 list_del(&cq_event
->list
);
7413 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7414 * @phba: pointer to lpfc hba data structure.
7416 * This routine is the lock free version of the API invoked to allocate a
7417 * completion-queue event from the free pool.
7419 * Return: Pointer to the newly allocated completion-queue event if successful
7422 struct lpfc_cq_event
*
7423 __lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
7425 struct lpfc_cq_event
*cq_event
= NULL
;
7427 list_remove_head(&phba
->sli4_hba
.sp_cqe_event_pool
, cq_event
,
7428 struct lpfc_cq_event
, list
);
7433 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7434 * @phba: pointer to lpfc hba data structure.
7436 * This routine is the lock version of the API invoked to allocate a
7437 * completion-queue event from the free pool.
7439 * Return: Pointer to the newly allocated completion-queue event if successful
7442 struct lpfc_cq_event
*
7443 lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
7445 struct lpfc_cq_event
*cq_event
;
7446 unsigned long iflags
;
7448 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7449 cq_event
= __lpfc_sli4_cq_event_alloc(phba
);
7450 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7455 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7456 * @phba: pointer to lpfc hba data structure.
7457 * @cq_event: pointer to the completion queue event to be freed.
7459 * This routine is the lock free version of the API invoked to release a
7460 * completion-queue event back into the free pool.
7463 __lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
7464 struct lpfc_cq_event
*cq_event
)
7466 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_cqe_event_pool
);
7470 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7471 * @phba: pointer to lpfc hba data structure.
7472 * @cq_event: pointer to the completion queue event to be freed.
7474 * This routine is the lock version of the API invoked to release a
7475 * completion-queue event back into the free pool.
7478 lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
7479 struct lpfc_cq_event
*cq_event
)
7481 unsigned long iflags
;
7482 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7483 __lpfc_sli4_cq_event_release(phba
, cq_event
);
7484 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7488 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
7489 * @phba: pointer to lpfc hba data structure.
7491 * This routine is to free all the pending completion-queue events to the
7492 * back into the free pool for device reset.
7495 lpfc_sli4_cq_event_release_all(struct lpfc_hba
*phba
)
7498 struct lpfc_cq_event
*cqe
;
7499 unsigned long iflags
;
7501 /* Retrieve all the pending WCQEs from pending WCQE lists */
7502 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7503 /* Pending FCP XRI abort events */
7504 list_splice_init(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
7506 /* Pending ELS XRI abort events */
7507 list_splice_init(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
7509 /* Pending asynnc events */
7510 list_splice_init(&phba
->sli4_hba
.sp_asynce_work_queue
,
7512 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7514 while (!list_empty(&cqelist
)) {
7515 list_remove_head(&cqelist
, cqe
, struct lpfc_cq_event
, list
);
7516 lpfc_sli4_cq_event_release(phba
, cqe
);
7521 * lpfc_pci_function_reset - Reset pci function.
7522 * @phba: pointer to lpfc hba data structure.
7524 * This routine is invoked to request a PCI function reset. It will destroys
7525 * all resources assigned to the PCI function which originates this request.
7529 * -ENOMEM - No available memory
7530 * -EIO - The mailbox failed to complete successfully.
7533 lpfc_pci_function_reset(struct lpfc_hba
*phba
)
7535 LPFC_MBOXQ_t
*mboxq
;
7536 uint32_t rc
= 0, if_type
;
7537 uint32_t shdr_status
, shdr_add_status
;
7538 uint32_t rdy_chk
, num_resets
= 0, reset_again
= 0;
7539 union lpfc_sli4_cfg_shdr
*shdr
;
7540 struct lpfc_register reg_data
;
7543 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7545 case LPFC_SLI_INTF_IF_TYPE_0
:
7546 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
7549 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7550 "0494 Unable to allocate memory for "
7551 "issuing SLI_FUNCTION_RESET mailbox "
7556 /* Setup PCI function reset mailbox-ioctl command */
7557 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7558 LPFC_MBOX_OPCODE_FUNCTION_RESET
, 0,
7559 LPFC_SLI4_MBX_EMBED
);
7560 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7561 shdr
= (union lpfc_sli4_cfg_shdr
*)
7562 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7563 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7564 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
7566 if (rc
!= MBX_TIMEOUT
)
7567 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7568 if (shdr_status
|| shdr_add_status
|| rc
) {
7569 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7570 "0495 SLI_FUNCTION_RESET mailbox "
7571 "failed with status x%x add_status x%x,"
7572 " mbx status x%x\n",
7573 shdr_status
, shdr_add_status
, rc
);
7577 case LPFC_SLI_INTF_IF_TYPE_2
:
7578 for (num_resets
= 0;
7579 num_resets
< MAX_IF_TYPE_2_RESETS
;
7582 bf_set(lpfc_sliport_ctrl_end
, ®_data
,
7583 LPFC_SLIPORT_LITTLE_ENDIAN
);
7584 bf_set(lpfc_sliport_ctrl_ip
, ®_data
,
7585 LPFC_SLIPORT_INIT_PORT
);
7586 writel(reg_data
.word0
, phba
->sli4_hba
.u
.if_type2
.
7589 pci_read_config_word(phba
->pcidev
,
7590 PCI_DEVICE_ID
, &devid
);
7592 * Poll the Port Status Register and wait for RDY for
7593 * up to 10 seconds. If the port doesn't respond, treat
7594 * it as an error. If the port responds with RN, start
7597 for (rdy_chk
= 0; rdy_chk
< 1000; rdy_chk
++) {
7599 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.
7600 STATUSregaddr
, ®_data
.word0
)) {
7604 if (bf_get(lpfc_sliport_status_rn
, ®_data
))
7606 if (bf_get(lpfc_sliport_status_rdy
, ®_data
))
7611 * If the port responds to the init request with
7612 * reset needed, delay for a bit and restart the loop.
7614 if (reset_again
&& (rdy_chk
< 1000)) {
7620 /* Detect any port errors. */
7621 if ((bf_get(lpfc_sliport_status_err
, ®_data
)) ||
7622 (rdy_chk
>= 1000)) {
7623 phba
->work_status
[0] = readl(
7624 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
7625 phba
->work_status
[1] = readl(
7626 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
7627 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7628 "2890 Port error detected during port "
7629 "reset(%d): wait_tmo:%d ms, "
7630 "port status reg 0x%x, "
7631 "error 1=0x%x, error 2=0x%x\n",
7632 num_resets
, rdy_chk
*10,
7634 phba
->work_status
[0],
7635 phba
->work_status
[1]);
7640 * Terminate the outer loop provided the Port indicated
7641 * ready within 10 seconds.
7646 /* delay driver action following IF_TYPE_2 function reset */
7649 case LPFC_SLI_INTF_IF_TYPE_1
:
7655 /* Catch the not-ready port failure after a port reset. */
7656 if (num_resets
>= MAX_IF_TYPE_2_RESETS
)
7663 * lpfc_sli4_send_nop_mbox_cmds - Send sli-4 nop mailbox commands
7664 * @phba: pointer to lpfc hba data structure.
7665 * @cnt: number of nop mailbox commands to send.
7667 * This routine is invoked to send a number @cnt of NOP mailbox command and
7668 * wait for each command to complete.
7670 * Return: the number of NOP mailbox command completed.
7673 lpfc_sli4_send_nop_mbox_cmds(struct lpfc_hba
*phba
, uint32_t cnt
)
7675 LPFC_MBOXQ_t
*mboxq
;
7676 int length
, cmdsent
;
7679 uint32_t shdr_status
, shdr_add_status
;
7680 union lpfc_sli4_cfg_shdr
*shdr
;
7683 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7684 "2518 Requested to send 0 NOP mailbox cmd\n");
7688 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7690 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7691 "2519 Unable to allocate memory for issuing "
7692 "NOP mailbox command\n");
7696 /* Set up NOP SLI4_CONFIG mailbox-ioctl command */
7697 length
= (sizeof(struct lpfc_mbx_nop
) -
7698 sizeof(struct lpfc_sli4_cfg_mhdr
));
7700 for (cmdsent
= 0; cmdsent
< cnt
; cmdsent
++) {
7701 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7702 LPFC_MBOX_OPCODE_NOP
, length
,
7703 LPFC_SLI4_MBX_EMBED
);
7704 if (!phba
->sli4_hba
.intr_enable
)
7705 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7707 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
7708 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
7710 if (rc
== MBX_TIMEOUT
)
7712 /* Check return status */
7713 shdr
= (union lpfc_sli4_cfg_shdr
*)
7714 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7715 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7716 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
7718 if (shdr_status
|| shdr_add_status
|| rc
) {
7719 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7720 "2520 NOP mailbox command failed "
7721 "status x%x add_status x%x mbx "
7722 "status x%x\n", shdr_status
,
7723 shdr_add_status
, rc
);
7728 if (rc
!= MBX_TIMEOUT
)
7729 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7735 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
7736 * @phba: pointer to lpfc hba data structure.
7738 * This routine is invoked to set up the PCI device memory space for device
7739 * with SLI-4 interface spec.
7743 * other values - error
7746 lpfc_sli4_pci_mem_setup(struct lpfc_hba
*phba
)
7748 struct pci_dev
*pdev
;
7749 unsigned long bar0map_len
, bar1map_len
, bar2map_len
;
7750 int error
= -ENODEV
;
7753 /* Obtain PCI device reference */
7757 pdev
= phba
->pcidev
;
7759 /* Set the device DMA mask size */
7760 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
7761 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
7762 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
7763 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
7769 * The BARs and register set definitions and offset locations are
7770 * dependent on the if_type.
7772 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
,
7773 &phba
->sli4_hba
.sli_intf
.word0
)) {
7777 /* There is no SLI3 failback for SLI4 devices. */
7778 if (bf_get(lpfc_sli_intf_valid
, &phba
->sli4_hba
.sli_intf
) !=
7779 LPFC_SLI_INTF_VALID
) {
7780 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7781 "2894 SLI_INTF reg contents invalid "
7782 "sli_intf reg 0x%x\n",
7783 phba
->sli4_hba
.sli_intf
.word0
);
7787 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7789 * Get the bus address of SLI4 device Bar regions and the
7790 * number of bytes required by each mapping. The mapping of the
7791 * particular PCI BARs regions is dependent on the type of
7794 if (pci_resource_start(pdev
, 0)) {
7795 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
7796 bar0map_len
= pci_resource_len(pdev
, 0);
7799 * Map SLI4 PCI Config Space Register base to a kernel virtual
7802 phba
->sli4_hba
.conf_regs_memmap_p
=
7803 ioremap(phba
->pci_bar0_map
, bar0map_len
);
7804 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
7805 dev_printk(KERN_ERR
, &pdev
->dev
,
7806 "ioremap failed for SLI4 PCI config "
7810 /* Set up BAR0 PCI config space register memory map */
7811 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
7813 phba
->pci_bar0_map
= pci_resource_start(pdev
, 1);
7814 bar0map_len
= pci_resource_len(pdev
, 1);
7815 if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
7816 dev_printk(KERN_ERR
, &pdev
->dev
,
7817 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
7820 phba
->sli4_hba
.conf_regs_memmap_p
=
7821 ioremap(phba
->pci_bar0_map
, bar0map_len
);
7822 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
7823 dev_printk(KERN_ERR
, &pdev
->dev
,
7824 "ioremap failed for SLI4 PCI config "
7828 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
7831 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
7832 (pci_resource_start(pdev
, 2))) {
7834 * Map SLI4 if type 0 HBA Control Register base to a kernel
7835 * virtual address and setup the registers.
7837 phba
->pci_bar1_map
= pci_resource_start(pdev
, 2);
7838 bar1map_len
= pci_resource_len(pdev
, 2);
7839 phba
->sli4_hba
.ctrl_regs_memmap_p
=
7840 ioremap(phba
->pci_bar1_map
, bar1map_len
);
7841 if (!phba
->sli4_hba
.ctrl_regs_memmap_p
) {
7842 dev_printk(KERN_ERR
, &pdev
->dev
,
7843 "ioremap failed for SLI4 HBA control registers.\n");
7844 goto out_iounmap_conf
;
7846 lpfc_sli4_bar1_register_memmap(phba
);
7849 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
7850 (pci_resource_start(pdev
, 4))) {
7852 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
7853 * virtual address and setup the registers.
7855 phba
->pci_bar2_map
= pci_resource_start(pdev
, 4);
7856 bar2map_len
= pci_resource_len(pdev
, 4);
7857 phba
->sli4_hba
.drbl_regs_memmap_p
=
7858 ioremap(phba
->pci_bar2_map
, bar2map_len
);
7859 if (!phba
->sli4_hba
.drbl_regs_memmap_p
) {
7860 dev_printk(KERN_ERR
, &pdev
->dev
,
7861 "ioremap failed for SLI4 HBA doorbell registers.\n");
7862 goto out_iounmap_ctrl
;
7864 error
= lpfc_sli4_bar2_register_memmap(phba
, LPFC_VF0
);
7866 goto out_iounmap_all
;
7872 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
7874 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
7876 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
7882 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
7883 * @phba: pointer to lpfc hba data structure.
7885 * This routine is invoked to unset the PCI device memory space for device
7886 * with SLI-4 interface spec.
7889 lpfc_sli4_pci_mem_unset(struct lpfc_hba
*phba
)
7892 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7895 case LPFC_SLI_INTF_IF_TYPE_0
:
7896 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
7897 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
7898 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
7900 case LPFC_SLI_INTF_IF_TYPE_2
:
7901 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
7903 case LPFC_SLI_INTF_IF_TYPE_1
:
7905 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
7906 "FATAL - unsupported SLI4 interface type - %d\n",
7913 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
7914 * @phba: pointer to lpfc hba data structure.
7916 * This routine is invoked to enable the MSI-X interrupt vectors to device
7917 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
7918 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
7919 * invoked, enables either all or nothing, depending on the current
7920 * availability of PCI vector resources. The device driver is responsible
7921 * for calling the individual request_irq() to register each MSI-X vector
7922 * with a interrupt handler, which is done in this function. Note that
7923 * later when device is unloading, the driver should always call free_irq()
7924 * on all MSI-X vectors it has done request_irq() on before calling
7925 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
7926 * will be left with MSI-X enabled and leaks its vectors.
7930 * other values - error
7933 lpfc_sli_enable_msix(struct lpfc_hba
*phba
)
7938 /* Set up MSI-X multi-message vectors */
7939 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
7940 phba
->msix_entries
[i
].entry
= i
;
7942 /* Configure MSI-X capability structure */
7943 rc
= pci_enable_msix(phba
->pcidev
, phba
->msix_entries
,
7944 ARRAY_SIZE(phba
->msix_entries
));
7946 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7947 "0420 PCI enable MSI-X failed (%d)\n", rc
);
7950 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
7951 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7952 "0477 MSI-X entry[%d]: vector=x%x "
7954 phba
->msix_entries
[i
].vector
,
7955 phba
->msix_entries
[i
].entry
);
7957 * Assign MSI-X vectors to interrupt handlers
7960 /* vector-0 is associated to slow-path handler */
7961 rc
= request_irq(phba
->msix_entries
[0].vector
,
7962 &lpfc_sli_sp_intr_handler
, IRQF_SHARED
,
7963 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
7965 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7966 "0421 MSI-X slow-path request_irq failed "
7971 /* vector-1 is associated to fast-path handler */
7972 rc
= request_irq(phba
->msix_entries
[1].vector
,
7973 &lpfc_sli_fp_intr_handler
, IRQF_SHARED
,
7974 LPFC_FP_DRIVER_HANDLER_NAME
, phba
);
7977 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7978 "0429 MSI-X fast-path request_irq failed "
7984 * Configure HBA MSI-X attention conditions to messages
7986 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7990 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7991 "0474 Unable to allocate memory for issuing "
7992 "MBOX_CONFIG_MSI command\n");
7995 rc
= lpfc_config_msi(phba
, pmb
);
7998 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
7999 if (rc
!= MBX_SUCCESS
) {
8000 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
8001 "0351 Config MSI mailbox command failed, "
8002 "mbxCmd x%x, mbxStatus x%x\n",
8003 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
);
8007 /* Free memory allocated for mailbox command */
8008 mempool_free(pmb
, phba
->mbox_mem_pool
);
8012 /* Free memory allocated for mailbox command */
8013 mempool_free(pmb
, phba
->mbox_mem_pool
);
8016 /* free the irq already requested */
8017 free_irq(phba
->msix_entries
[1].vector
, phba
);
8020 /* free the irq already requested */
8021 free_irq(phba
->msix_entries
[0].vector
, phba
);
8024 /* Unconfigure MSI-X capability structure */
8025 pci_disable_msix(phba
->pcidev
);
8030 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
8031 * @phba: pointer to lpfc hba data structure.
8033 * This routine is invoked to release the MSI-X vectors and then disable the
8034 * MSI-X interrupt mode to device with SLI-3 interface spec.
8037 lpfc_sli_disable_msix(struct lpfc_hba
*phba
)
8041 /* Free up MSI-X multi-message vectors */
8042 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
8043 free_irq(phba
->msix_entries
[i
].vector
, phba
);
8045 pci_disable_msix(phba
->pcidev
);
8051 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
8052 * @phba: pointer to lpfc hba data structure.
8054 * This routine is invoked to enable the MSI interrupt mode to device with
8055 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
8056 * enable the MSI vector. The device driver is responsible for calling the
8057 * request_irq() to register MSI vector with a interrupt the handler, which
8058 * is done in this function.
8062 * other values - error
8065 lpfc_sli_enable_msi(struct lpfc_hba
*phba
)
8069 rc
= pci_enable_msi(phba
->pcidev
);
8071 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8072 "0462 PCI enable MSI mode success.\n");
8074 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8075 "0471 PCI enable MSI mode failed (%d)\n", rc
);
8079 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
8080 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8082 pci_disable_msi(phba
->pcidev
);
8083 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8084 "0478 MSI request_irq failed (%d)\n", rc
);
8090 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
8091 * @phba: pointer to lpfc hba data structure.
8093 * This routine is invoked to disable the MSI interrupt mode to device with
8094 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
8095 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8096 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8100 lpfc_sli_disable_msi(struct lpfc_hba
*phba
)
8102 free_irq(phba
->pcidev
->irq
, phba
);
8103 pci_disable_msi(phba
->pcidev
);
8108 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
8109 * @phba: pointer to lpfc hba data structure.
8111 * This routine is invoked to enable device interrupt and associate driver's
8112 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
8113 * spec. Depends on the interrupt mode configured to the driver, the driver
8114 * will try to fallback from the configured interrupt mode to an interrupt
8115 * mode which is supported by the platform, kernel, and device in the order
8117 * MSI-X -> MSI -> IRQ.
8121 * other values - error
8124 lpfc_sli_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
8126 uint32_t intr_mode
= LPFC_INTR_ERROR
;
8129 if (cfg_mode
== 2) {
8130 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
8131 retval
= lpfc_sli_config_port(phba
, LPFC_SLI_REV3
);
8133 /* Now, try to enable MSI-X interrupt mode */
8134 retval
= lpfc_sli_enable_msix(phba
);
8136 /* Indicate initialization to MSI-X mode */
8137 phba
->intr_type
= MSIX
;
8143 /* Fallback to MSI if MSI-X initialization failed */
8144 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
8145 retval
= lpfc_sli_enable_msi(phba
);
8147 /* Indicate initialization to MSI mode */
8148 phba
->intr_type
= MSI
;
8153 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8154 if (phba
->intr_type
== NONE
) {
8155 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
8156 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8158 /* Indicate initialization to INTx mode */
8159 phba
->intr_type
= INTx
;
8167 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
8168 * @phba: pointer to lpfc hba data structure.
8170 * This routine is invoked to disable device interrupt and disassociate the
8171 * driver's interrupt handler(s) from interrupt vector(s) to device with
8172 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
8173 * release the interrupt vector(s) for the message signaled interrupt.
8176 lpfc_sli_disable_intr(struct lpfc_hba
*phba
)
8178 /* Disable the currently initialized interrupt mode */
8179 if (phba
->intr_type
== MSIX
)
8180 lpfc_sli_disable_msix(phba
);
8181 else if (phba
->intr_type
== MSI
)
8182 lpfc_sli_disable_msi(phba
);
8183 else if (phba
->intr_type
== INTx
)
8184 free_irq(phba
->pcidev
->irq
, phba
);
8186 /* Reset interrupt management states */
8187 phba
->intr_type
= NONE
;
8188 phba
->sli
.slistat
.sli_intr
= 0;
8194 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
8195 * @phba: pointer to lpfc hba data structure.
8197 * This routine is invoked to enable the MSI-X interrupt vectors to device
8198 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
8199 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
8200 * enables either all or nothing, depending on the current availability of
8201 * PCI vector resources. The device driver is responsible for calling the
8202 * individual request_irq() to register each MSI-X vector with a interrupt
8203 * handler, which is done in this function. Note that later when device is
8204 * unloading, the driver should always call free_irq() on all MSI-X vectors
8205 * it has done request_irq() on before calling pci_disable_msix(). Failure
8206 * to do so results in a BUG_ON() and a device will be left with MSI-X
8207 * enabled and leaks its vectors.
8211 * other values - error
8214 lpfc_sli4_enable_msix(struct lpfc_hba
*phba
)
8216 int vectors
, rc
, index
;
8218 /* Set up MSI-X multi-message vectors */
8219 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++)
8220 phba
->sli4_hba
.msix_entries
[index
].entry
= index
;
8222 /* Configure MSI-X capability structure */
8223 vectors
= phba
->cfg_fcp_io_channel
;
8224 enable_msix_vectors
:
8225 rc
= pci_enable_msix(phba
->pcidev
, phba
->sli4_hba
.msix_entries
,
8229 goto enable_msix_vectors
;
8231 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8232 "0484 PCI enable MSI-X failed (%d)\n", rc
);
8236 /* Log MSI-X vector assignment */
8237 for (index
= 0; index
< vectors
; index
++)
8238 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8239 "0489 MSI-X entry[%d]: vector=x%x "
8240 "message=%d\n", index
,
8241 phba
->sli4_hba
.msix_entries
[index
].vector
,
8242 phba
->sli4_hba
.msix_entries
[index
].entry
);
8245 * Assign MSI-X vectors to interrupt handlers
8247 for (index
= 0; index
< vectors
; index
++) {
8248 memset(&phba
->sli4_hba
.handler_name
[index
], 0, 16);
8249 sprintf((char *)&phba
->sli4_hba
.handler_name
[index
],
8250 LPFC_DRIVER_HANDLER_NAME
"%d", index
);
8252 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8253 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8254 atomic_set(&phba
->sli4_hba
.fcp_eq_hdl
[index
].fcp_eq_in_use
, 1);
8255 rc
= request_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
8256 &lpfc_sli4_hba_intr_handler
, IRQF_SHARED
,
8257 (char *)&phba
->sli4_hba
.handler_name
[index
],
8258 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8260 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8261 "0486 MSI-X fast-path (%d) "
8262 "request_irq failed (%d)\n", index
, rc
);
8267 if (vectors
!= phba
->cfg_fcp_io_channel
) {
8268 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8269 "3238 Reducing IO channels to match number of "
8270 "MSI-X vectors, requested %d got %d\n",
8271 phba
->cfg_fcp_io_channel
, vectors
);
8272 phba
->cfg_fcp_io_channel
= vectors
;
8277 /* free the irq already requested */
8278 for (--index
; index
>= 0; index
--)
8279 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
8280 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8283 /* Unconfigure MSI-X capability structure */
8284 pci_disable_msix(phba
->pcidev
);
8289 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
8290 * @phba: pointer to lpfc hba data structure.
8292 * This routine is invoked to release the MSI-X vectors and then disable the
8293 * MSI-X interrupt mode to device with SLI-4 interface spec.
8296 lpfc_sli4_disable_msix(struct lpfc_hba
*phba
)
8300 /* Free up MSI-X multi-message vectors */
8301 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++)
8302 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
8303 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8306 pci_disable_msix(phba
->pcidev
);
8312 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
8313 * @phba: pointer to lpfc hba data structure.
8315 * This routine is invoked to enable the MSI interrupt mode to device with
8316 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
8317 * to enable the MSI vector. The device driver is responsible for calling
8318 * the request_irq() to register MSI vector with a interrupt the handler,
8319 * which is done in this function.
8323 * other values - error
8326 lpfc_sli4_enable_msi(struct lpfc_hba
*phba
)
8330 rc
= pci_enable_msi(phba
->pcidev
);
8332 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8333 "0487 PCI enable MSI mode success.\n");
8335 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8336 "0488 PCI enable MSI mode failed (%d)\n", rc
);
8340 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
8341 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8343 pci_disable_msi(phba
->pcidev
);
8344 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8345 "0490 MSI request_irq failed (%d)\n", rc
);
8349 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++) {
8350 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8351 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8358 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
8359 * @phba: pointer to lpfc hba data structure.
8361 * This routine is invoked to disable the MSI interrupt mode to device with
8362 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
8363 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8364 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8368 lpfc_sli4_disable_msi(struct lpfc_hba
*phba
)
8370 free_irq(phba
->pcidev
->irq
, phba
);
8371 pci_disable_msi(phba
->pcidev
);
8376 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
8377 * @phba: pointer to lpfc hba data structure.
8379 * This routine is invoked to enable device interrupt and associate driver's
8380 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
8381 * interface spec. Depends on the interrupt mode configured to the driver,
8382 * the driver will try to fallback from the configured interrupt mode to an
8383 * interrupt mode which is supported by the platform, kernel, and device in
8385 * MSI-X -> MSI -> IRQ.
8389 * other values - error
8392 lpfc_sli4_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
8394 uint32_t intr_mode
= LPFC_INTR_ERROR
;
8397 if (cfg_mode
== 2) {
8398 /* Preparation before conf_msi mbox cmd */
8401 /* Now, try to enable MSI-X interrupt mode */
8402 retval
= lpfc_sli4_enable_msix(phba
);
8404 /* Indicate initialization to MSI-X mode */
8405 phba
->intr_type
= MSIX
;
8411 /* Fallback to MSI if MSI-X initialization failed */
8412 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
8413 retval
= lpfc_sli4_enable_msi(phba
);
8415 /* Indicate initialization to MSI mode */
8416 phba
->intr_type
= MSI
;
8421 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8422 if (phba
->intr_type
== NONE
) {
8423 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
8424 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8426 /* Indicate initialization to INTx mode */
8427 phba
->intr_type
= INTx
;
8429 for (index
= 0; index
< phba
->cfg_fcp_io_channel
;
8431 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8432 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8433 atomic_set(&phba
->sli4_hba
.fcp_eq_hdl
[index
].
8442 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
8443 * @phba: pointer to lpfc hba data structure.
8445 * This routine is invoked to disable device interrupt and disassociate
8446 * the driver's interrupt handler(s) from interrupt vector(s) to device
8447 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
8448 * will release the interrupt vector(s) for the message signaled interrupt.
8451 lpfc_sli4_disable_intr(struct lpfc_hba
*phba
)
8453 /* Disable the currently initialized interrupt mode */
8454 if (phba
->intr_type
== MSIX
)
8455 lpfc_sli4_disable_msix(phba
);
8456 else if (phba
->intr_type
== MSI
)
8457 lpfc_sli4_disable_msi(phba
);
8458 else if (phba
->intr_type
== INTx
)
8459 free_irq(phba
->pcidev
->irq
, phba
);
8461 /* Reset interrupt management states */
8462 phba
->intr_type
= NONE
;
8463 phba
->sli
.slistat
.sli_intr
= 0;
8469 * lpfc_unset_hba - Unset SLI3 hba device initialization
8470 * @phba: pointer to lpfc hba data structure.
8472 * This routine is invoked to unset the HBA device initialization steps to
8473 * a device with SLI-3 interface spec.
8476 lpfc_unset_hba(struct lpfc_hba
*phba
)
8478 struct lpfc_vport
*vport
= phba
->pport
;
8479 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
8481 spin_lock_irq(shost
->host_lock
);
8482 vport
->load_flag
|= FC_UNLOADING
;
8483 spin_unlock_irq(shost
->host_lock
);
8485 kfree(phba
->vpi_bmask
);
8486 kfree(phba
->vpi_ids
);
8488 lpfc_stop_hba_timers(phba
);
8490 phba
->pport
->work_port_events
= 0;
8492 lpfc_sli_hba_down(phba
);
8494 lpfc_sli_brdrestart(phba
);
8496 lpfc_sli_disable_intr(phba
);
8502 * lpfc_sli4_unset_hba - Unset SLI4 hba device initialization.
8503 * @phba: pointer to lpfc hba data structure.
8505 * This routine is invoked to unset the HBA device initialization steps to
8506 * a device with SLI-4 interface spec.
8509 lpfc_sli4_unset_hba(struct lpfc_hba
*phba
)
8511 struct lpfc_vport
*vport
= phba
->pport
;
8512 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
8514 spin_lock_irq(shost
->host_lock
);
8515 vport
->load_flag
|= FC_UNLOADING
;
8516 spin_unlock_irq(shost
->host_lock
);
8518 phba
->pport
->work_port_events
= 0;
8520 /* Stop the SLI4 device port */
8521 lpfc_stop_port(phba
);
8523 lpfc_sli4_disable_intr(phba
);
8525 /* Reset SLI4 HBA FCoE function */
8526 lpfc_pci_function_reset(phba
);
8527 lpfc_sli4_queue_destroy(phba
);
8533 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
8534 * @phba: Pointer to HBA context object.
8536 * This function is called in the SLI4 code path to wait for completion
8537 * of device's XRIs exchange busy. It will check the XRI exchange busy
8538 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
8539 * that, it will check the XRI exchange busy on outstanding FCP and ELS
8540 * I/Os every 30 seconds, log error message, and wait forever. Only when
8541 * all XRI exchange busy complete, the driver unload shall proceed with
8542 * invoking the function reset ioctl mailbox command to the CNA and the
8543 * the rest of the driver unload resource release.
8546 lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba
*phba
)
8549 int fcp_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
8550 int els_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
8552 while (!fcp_xri_cmpl
|| !els_xri_cmpl
) {
8553 if (wait_time
> LPFC_XRI_EXCH_BUSY_WAIT_TMO
) {
8555 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8556 "2877 FCP XRI exchange busy "
8557 "wait time: %d seconds.\n",
8560 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8561 "2878 ELS XRI exchange busy "
8562 "wait time: %d seconds.\n",
8564 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2
);
8565 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T2
;
8567 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1
);
8568 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T1
;
8571 list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
8573 list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
8578 * lpfc_sli4_hba_unset - Unset the fcoe hba
8579 * @phba: Pointer to HBA context object.
8581 * This function is called in the SLI4 code path to reset the HBA's FCoE
8582 * function. The caller is not required to hold any lock. This routine
8583 * issues PCI function reset mailbox command to reset the FCoE function.
8584 * At the end of the function, it calls lpfc_hba_down_post function to
8585 * free any pending commands.
8588 lpfc_sli4_hba_unset(struct lpfc_hba
*phba
)
8591 LPFC_MBOXQ_t
*mboxq
;
8592 struct pci_dev
*pdev
= phba
->pcidev
;
8594 lpfc_stop_hba_timers(phba
);
8595 phba
->sli4_hba
.intr_enable
= 0;
8598 * Gracefully wait out the potential current outstanding asynchronous
8602 /* First, block any pending async mailbox command from posted */
8603 spin_lock_irq(&phba
->hbalock
);
8604 phba
->sli
.sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
8605 spin_unlock_irq(&phba
->hbalock
);
8606 /* Now, trying to wait it out if we can */
8607 while (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
8609 if (++wait_cnt
> LPFC_ACTIVE_MBOX_WAIT_CNT
)
8612 /* Forcefully release the outstanding mailbox command if timed out */
8613 if (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
8614 spin_lock_irq(&phba
->hbalock
);
8615 mboxq
= phba
->sli
.mbox_active
;
8616 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
8617 __lpfc_mbox_cmpl_put(phba
, mboxq
);
8618 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
8619 phba
->sli
.mbox_active
= NULL
;
8620 spin_unlock_irq(&phba
->hbalock
);
8623 /* Abort all iocbs associated with the hba */
8624 lpfc_sli_hba_iocb_abort(phba
);
8626 /* Wait for completion of device XRI exchange busy */
8627 lpfc_sli4_xri_exchange_busy_wait(phba
);
8629 /* Disable PCI subsystem interrupt */
8630 lpfc_sli4_disable_intr(phba
);
8632 /* Disable SR-IOV if enabled */
8633 if (phba
->cfg_sriov_nr_virtfn
)
8634 pci_disable_sriov(pdev
);
8636 /* Stop kthread signal shall trigger work_done one more time */
8637 kthread_stop(phba
->worker_thread
);
8639 /* Reset SLI4 HBA FCoE function */
8640 lpfc_pci_function_reset(phba
);
8641 lpfc_sli4_queue_destroy(phba
);
8643 /* Stop the SLI4 device port */
8644 phba
->pport
->work_port_events
= 0;
8648 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
8649 * @phba: Pointer to HBA context object.
8650 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8652 * This function is called in the SLI4 code path to read the port's
8653 * sli4 capabilities.
8655 * This function may be be called from any context that can block-wait
8656 * for the completion. The expectation is that this routine is called
8657 * typically from probe_one or from the online routine.
8660 lpfc_pc_sli4_params_get(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
8663 struct lpfc_mqe
*mqe
;
8664 struct lpfc_pc_sli4_params
*sli4_params
;
8668 mqe
= &mboxq
->u
.mqe
;
8670 /* Read the port's SLI4 Parameters port capabilities */
8671 lpfc_pc_sli4_params(mboxq
);
8672 if (!phba
->sli4_hba
.intr_enable
)
8673 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8675 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
8676 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
8682 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
8683 sli4_params
->if_type
= bf_get(if_type
, &mqe
->un
.sli4_params
);
8684 sli4_params
->sli_rev
= bf_get(sli_rev
, &mqe
->un
.sli4_params
);
8685 sli4_params
->sli_family
= bf_get(sli_family
, &mqe
->un
.sli4_params
);
8686 sli4_params
->featurelevel_1
= bf_get(featurelevel_1
,
8687 &mqe
->un
.sli4_params
);
8688 sli4_params
->featurelevel_2
= bf_get(featurelevel_2
,
8689 &mqe
->un
.sli4_params
);
8690 sli4_params
->proto_types
= mqe
->un
.sli4_params
.word3
;
8691 sli4_params
->sge_supp_len
= mqe
->un
.sli4_params
.sge_supp_len
;
8692 sli4_params
->if_page_sz
= bf_get(if_page_sz
, &mqe
->un
.sli4_params
);
8693 sli4_params
->rq_db_window
= bf_get(rq_db_window
, &mqe
->un
.sli4_params
);
8694 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, &mqe
->un
.sli4_params
);
8695 sli4_params
->eq_pages_max
= bf_get(eq_pages
, &mqe
->un
.sli4_params
);
8696 sli4_params
->eqe_size
= bf_get(eqe_size
, &mqe
->un
.sli4_params
);
8697 sli4_params
->cq_pages_max
= bf_get(cq_pages
, &mqe
->un
.sli4_params
);
8698 sli4_params
->cqe_size
= bf_get(cqe_size
, &mqe
->un
.sli4_params
);
8699 sli4_params
->mq_pages_max
= bf_get(mq_pages
, &mqe
->un
.sli4_params
);
8700 sli4_params
->mqe_size
= bf_get(mqe_size
, &mqe
->un
.sli4_params
);
8701 sli4_params
->mq_elem_cnt
= bf_get(mq_elem_cnt
, &mqe
->un
.sli4_params
);
8702 sli4_params
->wq_pages_max
= bf_get(wq_pages
, &mqe
->un
.sli4_params
);
8703 sli4_params
->wqe_size
= bf_get(wqe_size
, &mqe
->un
.sli4_params
);
8704 sli4_params
->rq_pages_max
= bf_get(rq_pages
, &mqe
->un
.sli4_params
);
8705 sli4_params
->rqe_size
= bf_get(rqe_size
, &mqe
->un
.sli4_params
);
8706 sli4_params
->hdr_pages_max
= bf_get(hdr_pages
, &mqe
->un
.sli4_params
);
8707 sli4_params
->hdr_size
= bf_get(hdr_size
, &mqe
->un
.sli4_params
);
8708 sli4_params
->hdr_pp_align
= bf_get(hdr_pp_align
, &mqe
->un
.sli4_params
);
8709 sli4_params
->sgl_pages_max
= bf_get(sgl_pages
, &mqe
->un
.sli4_params
);
8710 sli4_params
->sgl_pp_align
= bf_get(sgl_pp_align
, &mqe
->un
.sli4_params
);
8712 /* Make sure that sge_supp_len can be handled by the driver */
8713 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
8714 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
8720 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
8721 * @phba: Pointer to HBA context object.
8722 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8724 * This function is called in the SLI4 code path to read the port's
8725 * sli4 capabilities.
8727 * This function may be be called from any context that can block-wait
8728 * for the completion. The expectation is that this routine is called
8729 * typically from probe_one or from the online routine.
8732 lpfc_get_sli4_parameters(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
8735 struct lpfc_mqe
*mqe
= &mboxq
->u
.mqe
;
8736 struct lpfc_pc_sli4_params
*sli4_params
;
8739 struct lpfc_sli4_parameters
*mbx_sli4_parameters
;
8742 * By default, the driver assumes the SLI4 port requires RPI
8743 * header postings. The SLI4_PARAM response will correct this
8746 phba
->sli4_hba
.rpi_hdrs_in_use
= 1;
8748 /* Read the port's SLI4 Config Parameters */
8749 length
= (sizeof(struct lpfc_mbx_get_sli4_parameters
) -
8750 sizeof(struct lpfc_sli4_cfg_mhdr
));
8751 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
8752 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS
,
8753 length
, LPFC_SLI4_MBX_EMBED
);
8754 if (!phba
->sli4_hba
.intr_enable
)
8755 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8757 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
8758 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
8762 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
8763 mbx_sli4_parameters
= &mqe
->un
.get_sli4_parameters
.sli4_parameters
;
8764 sli4_params
->if_type
= bf_get(cfg_if_type
, mbx_sli4_parameters
);
8765 sli4_params
->sli_rev
= bf_get(cfg_sli_rev
, mbx_sli4_parameters
);
8766 sli4_params
->sli_family
= bf_get(cfg_sli_family
, mbx_sli4_parameters
);
8767 sli4_params
->featurelevel_1
= bf_get(cfg_sli_hint_1
,
8768 mbx_sli4_parameters
);
8769 sli4_params
->featurelevel_2
= bf_get(cfg_sli_hint_2
,
8770 mbx_sli4_parameters
);
8771 if (bf_get(cfg_phwq
, mbx_sli4_parameters
))
8772 phba
->sli3_options
|= LPFC_SLI4_PHWQ_ENABLED
;
8774 phba
->sli3_options
&= ~LPFC_SLI4_PHWQ_ENABLED
;
8775 sli4_params
->sge_supp_len
= mbx_sli4_parameters
->sge_supp_len
;
8776 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, mbx_sli4_parameters
);
8777 sli4_params
->cqv
= bf_get(cfg_cqv
, mbx_sli4_parameters
);
8778 sli4_params
->mqv
= bf_get(cfg_mqv
, mbx_sli4_parameters
);
8779 sli4_params
->wqv
= bf_get(cfg_wqv
, mbx_sli4_parameters
);
8780 sli4_params
->rqv
= bf_get(cfg_rqv
, mbx_sli4_parameters
);
8781 sli4_params
->sgl_pages_max
= bf_get(cfg_sgl_page_cnt
,
8782 mbx_sli4_parameters
);
8783 sli4_params
->sgl_pp_align
= bf_get(cfg_sgl_pp_align
,
8784 mbx_sli4_parameters
);
8785 phba
->sli4_hba
.extents_in_use
= bf_get(cfg_ext
, mbx_sli4_parameters
);
8786 phba
->sli4_hba
.rpi_hdrs_in_use
= bf_get(cfg_hdrr
, mbx_sli4_parameters
);
8788 /* Make sure that sge_supp_len can be handled by the driver */
8789 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
8790 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
8796 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
8797 * @pdev: pointer to PCI device
8798 * @pid: pointer to PCI device identifier
8800 * This routine is to be called to attach a device with SLI-3 interface spec
8801 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8802 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
8803 * information of the device and driver to see if the driver state that it can
8804 * support this kind of device. If the match is successful, the driver core
8805 * invokes this routine. If this routine determines it can claim the HBA, it
8806 * does all the initialization that it needs to do to handle the HBA properly.
8809 * 0 - driver can claim the device
8810 * negative value - driver can not claim the device
8813 lpfc_pci_probe_one_s3(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
8815 struct lpfc_hba
*phba
;
8816 struct lpfc_vport
*vport
= NULL
;
8817 struct Scsi_Host
*shost
= NULL
;
8819 uint32_t cfg_mode
, intr_mode
;
8821 /* Allocate memory for HBA structure */
8822 phba
= lpfc_hba_alloc(pdev
);
8826 /* Perform generic PCI device enabling operation */
8827 error
= lpfc_enable_pci_dev(phba
);
8831 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
8832 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_LP
);
8834 goto out_disable_pci_dev
;
8836 /* Set up SLI-3 specific device PCI memory space */
8837 error
= lpfc_sli_pci_mem_setup(phba
);
8839 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8840 "1402 Failed to set up pci memory space.\n");
8841 goto out_disable_pci_dev
;
8844 /* Set up phase-1 common device driver resources */
8845 error
= lpfc_setup_driver_resource_phase1(phba
);
8847 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8848 "1403 Failed to set up driver resource.\n");
8849 goto out_unset_pci_mem_s3
;
8852 /* Set up SLI-3 specific device driver resources */
8853 error
= lpfc_sli_driver_resource_setup(phba
);
8855 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8856 "1404 Failed to set up driver resource.\n");
8857 goto out_unset_pci_mem_s3
;
8860 /* Initialize and populate the iocb list per host */
8861 error
= lpfc_init_iocb_list(phba
, LPFC_IOCB_LIST_CNT
);
8863 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8864 "1405 Failed to initialize iocb list.\n");
8865 goto out_unset_driver_resource_s3
;
8868 /* Set up common device driver resources */
8869 error
= lpfc_setup_driver_resource_phase2(phba
);
8871 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8872 "1406 Failed to set up driver resource.\n");
8873 goto out_free_iocb_list
;
8876 /* Get the default values for Model Name and Description */
8877 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
8879 /* Create SCSI host to the physical port */
8880 error
= lpfc_create_shost(phba
);
8882 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8883 "1407 Failed to create scsi host.\n");
8884 goto out_unset_driver_resource
;
8887 /* Configure sysfs attributes */
8888 vport
= phba
->pport
;
8889 error
= lpfc_alloc_sysfs_attr(vport
);
8891 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8892 "1476 Failed to allocate sysfs attr\n");
8893 goto out_destroy_shost
;
8896 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
8897 /* Now, trying to enable interrupt and bring up the device */
8898 cfg_mode
= phba
->cfg_use_msi
;
8900 /* Put device to a known state before enabling interrupt */
8901 lpfc_stop_port(phba
);
8902 /* Configure and enable interrupt */
8903 intr_mode
= lpfc_sli_enable_intr(phba
, cfg_mode
);
8904 if (intr_mode
== LPFC_INTR_ERROR
) {
8905 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8906 "0431 Failed to enable interrupt.\n");
8908 goto out_free_sysfs_attr
;
8910 /* SLI-3 HBA setup */
8911 if (lpfc_sli_hba_setup(phba
)) {
8912 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8913 "1477 Failed to set up hba\n");
8915 goto out_remove_device
;
8918 /* Wait 50ms for the interrupts of previous mailbox commands */
8920 /* Check active interrupts on message signaled interrupts */
8921 if (intr_mode
== 0 ||
8922 phba
->sli
.slistat
.sli_intr
> LPFC_MSIX_VECTORS
) {
8923 /* Log the current active interrupt mode */
8924 phba
->intr_mode
= intr_mode
;
8925 lpfc_log_intr_mode(phba
, intr_mode
);
8928 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8929 "0447 Configure interrupt mode (%d) "
8930 "failed active interrupt test.\n",
8932 /* Disable the current interrupt mode */
8933 lpfc_sli_disable_intr(phba
);
8934 /* Try next level of interrupt mode */
8935 cfg_mode
= --intr_mode
;
8939 /* Perform post initialization setup */
8940 lpfc_post_init_setup(phba
);
8942 /* Check if there are static vports to be created. */
8943 lpfc_create_static_vport(phba
);
8948 lpfc_unset_hba(phba
);
8949 out_free_sysfs_attr
:
8950 lpfc_free_sysfs_attr(vport
);
8952 lpfc_destroy_shost(phba
);
8953 out_unset_driver_resource
:
8954 lpfc_unset_driver_resource_phase2(phba
);
8956 lpfc_free_iocb_list(phba
);
8957 out_unset_driver_resource_s3
:
8958 lpfc_sli_driver_resource_unset(phba
);
8959 out_unset_pci_mem_s3
:
8960 lpfc_sli_pci_mem_unset(phba
);
8961 out_disable_pci_dev
:
8962 lpfc_disable_pci_dev(phba
);
8964 scsi_host_put(shost
);
8966 lpfc_hba_free(phba
);
8971 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
8972 * @pdev: pointer to PCI device
8974 * This routine is to be called to disattach a device with SLI-3 interface
8975 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8976 * removed from PCI bus, it performs all the necessary cleanup for the HBA
8977 * device to be removed from the PCI subsystem properly.
8980 lpfc_pci_remove_one_s3(struct pci_dev
*pdev
)
8982 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8983 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
8984 struct lpfc_vport
**vports
;
8985 struct lpfc_hba
*phba
= vport
->phba
;
8987 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
8989 spin_lock_irq(&phba
->hbalock
);
8990 vport
->load_flag
|= FC_UNLOADING
;
8991 spin_unlock_irq(&phba
->hbalock
);
8993 lpfc_free_sysfs_attr(vport
);
8995 /* Release all the vports against this physical port */
8996 vports
= lpfc_create_vport_work_array(phba
);
8998 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
8999 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
9001 fc_vport_terminate(vports
[i
]->fc_vport
);
9003 lpfc_destroy_vport_work_array(phba
, vports
);
9005 /* Remove FC host and then SCSI host with the physical port */
9006 fc_remove_host(shost
);
9007 scsi_remove_host(shost
);
9008 lpfc_cleanup(vport
);
9011 * Bring down the SLI Layer. This step disable all interrupts,
9012 * clears the rings, discards all mailbox commands, and resets
9016 /* HBA interrupt will be disabled after this call */
9017 lpfc_sli_hba_down(phba
);
9018 /* Stop kthread signal shall trigger work_done one more time */
9019 kthread_stop(phba
->worker_thread
);
9020 /* Final cleanup of txcmplq and reset the HBA */
9021 lpfc_sli_brdrestart(phba
);
9023 kfree(phba
->vpi_bmask
);
9024 kfree(phba
->vpi_ids
);
9026 lpfc_stop_hba_timers(phba
);
9027 spin_lock_irq(&phba
->hbalock
);
9028 list_del_init(&vport
->listentry
);
9029 spin_unlock_irq(&phba
->hbalock
);
9031 lpfc_debugfs_terminate(vport
);
9033 /* Disable SR-IOV if enabled */
9034 if (phba
->cfg_sriov_nr_virtfn
)
9035 pci_disable_sriov(pdev
);
9037 /* Disable interrupt */
9038 lpfc_sli_disable_intr(phba
);
9040 pci_set_drvdata(pdev
, NULL
);
9041 scsi_host_put(shost
);
9044 * Call scsi_free before mem_free since scsi bufs are released to their
9045 * corresponding pools here.
9047 lpfc_scsi_free(phba
);
9048 lpfc_mem_free_all(phba
);
9050 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
9051 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
9053 /* Free resources associated with SLI2 interface */
9054 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
9055 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
9057 /* unmap adapter SLIM and Control Registers */
9058 iounmap(phba
->ctrl_regs_memmap_p
);
9059 iounmap(phba
->slim_memmap_p
);
9061 lpfc_hba_free(phba
);
9063 pci_release_selected_regions(pdev
, bars
);
9064 pci_disable_device(pdev
);
9068 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
9069 * @pdev: pointer to PCI device
9070 * @msg: power management message
9072 * This routine is to be called from the kernel's PCI subsystem to support
9073 * system Power Management (PM) to device with SLI-3 interface spec. When
9074 * PM invokes this method, it quiesces the device by stopping the driver's
9075 * worker thread for the device, turning off device's interrupt and DMA,
9076 * and bring the device offline. Note that as the driver implements the
9077 * minimum PM requirements to a power-aware driver's PM support for the
9078 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9079 * to the suspend() method call will be treated as SUSPEND and the driver will
9080 * fully reinitialize its device during resume() method call, the driver will
9081 * set device to PCI_D3hot state in PCI config space instead of setting it
9082 * according to the @msg provided by the PM.
9085 * 0 - driver suspended the device
9089 lpfc_pci_suspend_one_s3(struct pci_dev
*pdev
, pm_message_t msg
)
9091 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9092 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9094 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9095 "0473 PCI device Power Management suspend.\n");
9097 /* Bring down the device */
9098 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
9100 kthread_stop(phba
->worker_thread
);
9102 /* Disable interrupt from device */
9103 lpfc_sli_disable_intr(phba
);
9105 /* Save device state to PCI config space */
9106 pci_save_state(pdev
);
9107 pci_set_power_state(pdev
, PCI_D3hot
);
9113 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
9114 * @pdev: pointer to PCI device
9116 * This routine is to be called from the kernel's PCI subsystem to support
9117 * system Power Management (PM) to device with SLI-3 interface spec. When PM
9118 * invokes this method, it restores the device's PCI config space state and
9119 * fully reinitializes the device and brings it online. Note that as the
9120 * driver implements the minimum PM requirements to a power-aware driver's
9121 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
9122 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
9123 * driver will fully reinitialize its device during resume() method call,
9124 * the device will be set to PCI_D0 directly in PCI config space before
9125 * restoring the state.
9128 * 0 - driver suspended the device
9132 lpfc_pci_resume_one_s3(struct pci_dev
*pdev
)
9134 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9135 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9139 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9140 "0452 PCI device Power Management resume.\n");
9142 /* Restore device state from PCI config space */
9143 pci_set_power_state(pdev
, PCI_D0
);
9144 pci_restore_state(pdev
);
9147 * As the new kernel behavior of pci_restore_state() API call clears
9148 * device saved_state flag, need to save the restored state again.
9150 pci_save_state(pdev
);
9152 if (pdev
->is_busmaster
)
9153 pci_set_master(pdev
);
9155 /* Startup the kernel thread for this host adapter. */
9156 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
9157 "lpfc_worker_%d", phba
->brd_no
);
9158 if (IS_ERR(phba
->worker_thread
)) {
9159 error
= PTR_ERR(phba
->worker_thread
);
9160 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9161 "0434 PM resume failed to start worker "
9162 "thread: error=x%x.\n", error
);
9166 /* Configure and enable interrupt */
9167 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
9168 if (intr_mode
== LPFC_INTR_ERROR
) {
9169 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9170 "0430 PM resume Failed to enable interrupt\n");
9173 phba
->intr_mode
= intr_mode
;
9175 /* Restart HBA and bring it online */
9176 lpfc_sli_brdrestart(phba
);
9179 /* Log the current active interrupt mode */
9180 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9186 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
9187 * @phba: pointer to lpfc hba data structure.
9189 * This routine is called to prepare the SLI3 device for PCI slot recover. It
9190 * aborts all the outstanding SCSI I/Os to the pci device.
9193 lpfc_sli_prep_dev_for_recover(struct lpfc_hba
*phba
)
9195 struct lpfc_sli
*psli
= &phba
->sli
;
9196 struct lpfc_sli_ring
*pring
;
9198 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9199 "2723 PCI channel I/O abort preparing for recovery\n");
9202 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9203 * and let the SCSI mid-layer to retry them to recover.
9205 pring
= &psli
->ring
[psli
->fcp_ring
];
9206 lpfc_sli_abort_iocb_ring(phba
, pring
);
9210 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
9211 * @phba: pointer to lpfc hba data structure.
9213 * This routine is called to prepare the SLI3 device for PCI slot reset. It
9214 * disables the device interrupt and pci device, and aborts the internal FCP
9218 lpfc_sli_prep_dev_for_reset(struct lpfc_hba
*phba
)
9220 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9221 "2710 PCI channel disable preparing for reset\n");
9223 /* Block any management I/Os to the device */
9224 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
9226 /* Block all SCSI devices' I/Os on the host */
9227 lpfc_scsi_dev_block(phba
);
9229 /* stop all timers */
9230 lpfc_stop_hba_timers(phba
);
9232 /* Disable interrupt and pci device */
9233 lpfc_sli_disable_intr(phba
);
9234 pci_disable_device(phba
->pcidev
);
9236 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9237 lpfc_sli_flush_fcp_rings(phba
);
9241 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
9242 * @phba: pointer to lpfc hba data structure.
9244 * This routine is called to prepare the SLI3 device for PCI slot permanently
9245 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9249 lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
9251 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9252 "2711 PCI channel permanent disable for failure\n");
9253 /* Block all SCSI devices' I/Os on the host */
9254 lpfc_scsi_dev_block(phba
);
9256 /* stop all timers */
9257 lpfc_stop_hba_timers(phba
);
9259 /* Clean up all driver's outstanding SCSI I/Os */
9260 lpfc_sli_flush_fcp_rings(phba
);
9264 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
9265 * @pdev: pointer to PCI device.
9266 * @state: the current PCI connection state.
9268 * This routine is called from the PCI subsystem for I/O error handling to
9269 * device with SLI-3 interface spec. This function is called by the PCI
9270 * subsystem after a PCI bus error affecting this device has been detected.
9271 * When this function is invoked, it will need to stop all the I/Os and
9272 * interrupt(s) to the device. Once that is done, it will return
9273 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
9277 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
9278 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9279 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9281 static pci_ers_result_t
9282 lpfc_io_error_detected_s3(struct pci_dev
*pdev
, pci_channel_state_t state
)
9284 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9285 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9288 case pci_channel_io_normal
:
9289 /* Non-fatal error, prepare for recovery */
9290 lpfc_sli_prep_dev_for_recover(phba
);
9291 return PCI_ERS_RESULT_CAN_RECOVER
;
9292 case pci_channel_io_frozen
:
9293 /* Fatal error, prepare for slot reset */
9294 lpfc_sli_prep_dev_for_reset(phba
);
9295 return PCI_ERS_RESULT_NEED_RESET
;
9296 case pci_channel_io_perm_failure
:
9297 /* Permanent failure, prepare for device down */
9298 lpfc_sli_prep_dev_for_perm_failure(phba
);
9299 return PCI_ERS_RESULT_DISCONNECT
;
9301 /* Unknown state, prepare and request slot reset */
9302 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9303 "0472 Unknown PCI error state: x%x\n", state
);
9304 lpfc_sli_prep_dev_for_reset(phba
);
9305 return PCI_ERS_RESULT_NEED_RESET
;
9310 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
9311 * @pdev: pointer to PCI device.
9313 * This routine is called from the PCI subsystem for error handling to
9314 * device with SLI-3 interface spec. This is called after PCI bus has been
9315 * reset to restart the PCI card from scratch, as if from a cold-boot.
9316 * During the PCI subsystem error recovery, after driver returns
9317 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
9318 * recovery and then call this routine before calling the .resume method
9319 * to recover the device. This function will initialize the HBA device,
9320 * enable the interrupt, but it will just put the HBA to offline state
9321 * without passing any I/O traffic.
9324 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9325 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9327 static pci_ers_result_t
9328 lpfc_io_slot_reset_s3(struct pci_dev
*pdev
)
9330 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9331 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9332 struct lpfc_sli
*psli
= &phba
->sli
;
9335 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
9336 if (pci_enable_device_mem(pdev
)) {
9337 printk(KERN_ERR
"lpfc: Cannot re-enable "
9338 "PCI device after reset.\n");
9339 return PCI_ERS_RESULT_DISCONNECT
;
9342 pci_restore_state(pdev
);
9345 * As the new kernel behavior of pci_restore_state() API call clears
9346 * device saved_state flag, need to save the restored state again.
9348 pci_save_state(pdev
);
9350 if (pdev
->is_busmaster
)
9351 pci_set_master(pdev
);
9353 spin_lock_irq(&phba
->hbalock
);
9354 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
9355 spin_unlock_irq(&phba
->hbalock
);
9357 /* Configure and enable interrupt */
9358 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
9359 if (intr_mode
== LPFC_INTR_ERROR
) {
9360 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9361 "0427 Cannot re-enable interrupt after "
9363 return PCI_ERS_RESULT_DISCONNECT
;
9365 phba
->intr_mode
= intr_mode
;
9367 /* Take device offline, it will perform cleanup */
9368 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
9370 lpfc_sli_brdrestart(phba
);
9372 /* Log the current active interrupt mode */
9373 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9375 return PCI_ERS_RESULT_RECOVERED
;
9379 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
9380 * @pdev: pointer to PCI device
9382 * This routine is called from the PCI subsystem for error handling to device
9383 * with SLI-3 interface spec. It is called when kernel error recovery tells
9384 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
9385 * error recovery. After this call, traffic can start to flow from this device
9389 lpfc_io_resume_s3(struct pci_dev
*pdev
)
9391 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9392 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9394 /* Bring device online, it will be no-op for non-fatal error resume */
9397 /* Clean up Advanced Error Reporting (AER) if needed */
9398 if (phba
->hba_flag
& HBA_AER_ENABLED
)
9399 pci_cleanup_aer_uncorrect_error_status(pdev
);
9403 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
9404 * @phba: pointer to lpfc hba data structure.
9406 * returns the number of ELS/CT IOCBs to reserve
9409 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*phba
)
9411 int max_xri
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
9413 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
9416 else if (max_xri
<= 256)
9418 else if (max_xri
<= 512)
9420 else if (max_xri
<= 1024)
9422 else if (max_xri
<= 1536)
9424 else if (max_xri
<= 2048)
9433 * lpfc_write_firmware - attempt to write a firmware image to the port
9434 * @fw: pointer to firmware image returned from request_firmware.
9435 * @phba: pointer to lpfc hba data structure.
9439 lpfc_write_firmware(const struct firmware
*fw
, void *context
)
9441 struct lpfc_hba
*phba
= (struct lpfc_hba
*)context
;
9442 char fwrev
[FW_REV_STR_SIZE
];
9443 struct lpfc_grp_hdr
*image
;
9444 struct list_head dma_buffer_list
;
9446 struct lpfc_dmabuf
*dmabuf
, *next
;
9447 uint32_t offset
= 0, temp_offset
= 0;
9449 /* It can be null in no-wait mode, sanity check */
9454 image
= (struct lpfc_grp_hdr
*)fw
->data
;
9456 INIT_LIST_HEAD(&dma_buffer_list
);
9457 if ((be32_to_cpu(image
->magic_number
) != LPFC_GROUP_OJECT_MAGIC_NUM
) ||
9458 (bf_get_be32(lpfc_grp_hdr_file_type
, image
) !=
9459 LPFC_FILE_TYPE_GROUP
) ||
9460 (bf_get_be32(lpfc_grp_hdr_id
, image
) != LPFC_FILE_ID_GROUP
) ||
9461 (be32_to_cpu(image
->size
) != fw
->size
)) {
9462 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9463 "3022 Invalid FW image found. "
9464 "Magic:%x Type:%x ID:%x\n",
9465 be32_to_cpu(image
->magic_number
),
9466 bf_get_be32(lpfc_grp_hdr_file_type
, image
),
9467 bf_get_be32(lpfc_grp_hdr_id
, image
));
9471 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
9472 if (strncmp(fwrev
, image
->revision
, strnlen(image
->revision
, 16))) {
9473 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9474 "3023 Updating Firmware, Current Version:%s "
9476 fwrev
, image
->revision
);
9477 for (i
= 0; i
< LPFC_MBX_WR_CONFIG_MAX_BDE
; i
++) {
9478 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
),
9484 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
9488 if (!dmabuf
->virt
) {
9493 list_add_tail(&dmabuf
->list
, &dma_buffer_list
);
9495 while (offset
< fw
->size
) {
9496 temp_offset
= offset
;
9497 list_for_each_entry(dmabuf
, &dma_buffer_list
, list
) {
9498 if (temp_offset
+ SLI4_PAGE_SIZE
> fw
->size
) {
9499 memcpy(dmabuf
->virt
,
9500 fw
->data
+ temp_offset
,
9501 fw
->size
- temp_offset
);
9502 temp_offset
= fw
->size
;
9505 memcpy(dmabuf
->virt
, fw
->data
+ temp_offset
,
9507 temp_offset
+= SLI4_PAGE_SIZE
;
9509 rc
= lpfc_wr_object(phba
, &dma_buffer_list
,
9510 (fw
->size
- offset
), &offset
);
9518 list_for_each_entry_safe(dmabuf
, next
, &dma_buffer_list
, list
) {
9519 list_del(&dmabuf
->list
);
9520 dma_free_coherent(&phba
->pcidev
->dev
, SLI4_PAGE_SIZE
,
9521 dmabuf
->virt
, dmabuf
->phys
);
9524 release_firmware(fw
);
9526 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9527 "3024 Firmware update done: %d.\n", rc
);
9532 * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade
9533 * @phba: pointer to lpfc hba data structure.
9535 * This routine is called to perform Linux generic firmware upgrade on device
9536 * that supports such feature.
9539 lpfc_sli4_request_firmware_update(struct lpfc_hba
*phba
, uint8_t fw_upgrade
)
9541 uint8_t file_name
[ELX_MODEL_NAME_SIZE
];
9543 const struct firmware
*fw
;
9545 /* Only supported on SLI4 interface type 2 for now */
9546 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
9547 LPFC_SLI_INTF_IF_TYPE_2
)
9550 snprintf(file_name
, ELX_MODEL_NAME_SIZE
, "%s.grp", phba
->ModelName
);
9552 if (fw_upgrade
== INT_FW_UPGRADE
) {
9553 ret
= request_firmware_nowait(THIS_MODULE
, FW_ACTION_HOTPLUG
,
9554 file_name
, &phba
->pcidev
->dev
,
9555 GFP_KERNEL
, (void *)phba
,
9556 lpfc_write_firmware
);
9557 } else if (fw_upgrade
== RUN_FW_UPGRADE
) {
9558 ret
= request_firmware(&fw
, file_name
, &phba
->pcidev
->dev
);
9560 lpfc_write_firmware(fw
, (void *)phba
);
9569 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
9570 * @pdev: pointer to PCI device
9571 * @pid: pointer to PCI device identifier
9573 * This routine is called from the kernel's PCI subsystem to device with
9574 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
9575 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
9576 * information of the device and driver to see if the driver state that it
9577 * can support this kind of device. If the match is successful, the driver
9578 * core invokes this routine. If this routine determines it can claim the HBA,
9579 * it does all the initialization that it needs to do to handle the HBA
9583 * 0 - driver can claim the device
9584 * negative value - driver can not claim the device
9587 lpfc_pci_probe_one_s4(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
9589 struct lpfc_hba
*phba
;
9590 struct lpfc_vport
*vport
= NULL
;
9591 struct Scsi_Host
*shost
= NULL
;
9593 uint32_t cfg_mode
, intr_mode
;
9595 int adjusted_fcp_io_channel
;
9597 /* Allocate memory for HBA structure */
9598 phba
= lpfc_hba_alloc(pdev
);
9602 /* Perform generic PCI device enabling operation */
9603 error
= lpfc_enable_pci_dev(phba
);
9607 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
9608 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_OC
);
9610 goto out_disable_pci_dev
;
9612 /* Set up SLI-4 specific device PCI memory space */
9613 error
= lpfc_sli4_pci_mem_setup(phba
);
9615 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9616 "1410 Failed to set up pci memory space.\n");
9617 goto out_disable_pci_dev
;
9620 /* Set up phase-1 common device driver resources */
9621 error
= lpfc_setup_driver_resource_phase1(phba
);
9623 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9624 "1411 Failed to set up driver resource.\n");
9625 goto out_unset_pci_mem_s4
;
9628 /* Set up SLI-4 Specific device driver resources */
9629 error
= lpfc_sli4_driver_resource_setup(phba
);
9631 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9632 "1412 Failed to set up driver resource.\n");
9633 goto out_unset_pci_mem_s4
;
9636 /* Initialize and populate the iocb list per host */
9638 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9639 "2821 initialize iocb list %d.\n",
9640 phba
->cfg_iocb_cnt
*1024);
9641 error
= lpfc_init_iocb_list(phba
, phba
->cfg_iocb_cnt
*1024);
9644 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9645 "1413 Failed to initialize iocb list.\n");
9646 goto out_unset_driver_resource_s4
;
9649 INIT_LIST_HEAD(&phba
->active_rrq_list
);
9650 INIT_LIST_HEAD(&phba
->fcf
.fcf_pri_list
);
9652 /* Set up common device driver resources */
9653 error
= lpfc_setup_driver_resource_phase2(phba
);
9655 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9656 "1414 Failed to set up driver resource.\n");
9657 goto out_free_iocb_list
;
9660 /* Get the default values for Model Name and Description */
9661 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
9663 /* Create SCSI host to the physical port */
9664 error
= lpfc_create_shost(phba
);
9666 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9667 "1415 Failed to create scsi host.\n");
9668 goto out_unset_driver_resource
;
9671 /* Configure sysfs attributes */
9672 vport
= phba
->pport
;
9673 error
= lpfc_alloc_sysfs_attr(vport
);
9675 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9676 "1416 Failed to allocate sysfs attr\n");
9677 goto out_destroy_shost
;
9680 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
9681 /* Now, trying to enable interrupt and bring up the device */
9682 cfg_mode
= phba
->cfg_use_msi
;
9684 /* Put device to a known state before enabling interrupt */
9685 lpfc_stop_port(phba
);
9686 /* Configure and enable interrupt */
9687 intr_mode
= lpfc_sli4_enable_intr(phba
, cfg_mode
);
9688 if (intr_mode
== LPFC_INTR_ERROR
) {
9689 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9690 "0426 Failed to enable interrupt.\n");
9692 goto out_free_sysfs_attr
;
9694 /* Default to single EQ for non-MSI-X */
9695 if (phba
->intr_type
!= MSIX
)
9696 adjusted_fcp_io_channel
= 1;
9698 adjusted_fcp_io_channel
= phba
->cfg_fcp_io_channel
;
9699 phba
->cfg_fcp_io_channel
= adjusted_fcp_io_channel
;
9700 /* Set up SLI-4 HBA */
9701 if (lpfc_sli4_hba_setup(phba
)) {
9702 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9703 "1421 Failed to set up hba\n");
9705 goto out_disable_intr
;
9708 /* Send NOP mbx cmds for non-INTx mode active interrupt test */
9710 mcnt
= lpfc_sli4_send_nop_mbox_cmds(phba
,
9713 /* Check active interrupts received only for MSI/MSI-X */
9714 if (intr_mode
== 0 ||
9715 phba
->sli
.slistat
.sli_intr
>= LPFC_ACT_INTR_CNT
) {
9716 /* Log the current active interrupt mode */
9717 phba
->intr_mode
= intr_mode
;
9718 lpfc_log_intr_mode(phba
, intr_mode
);
9721 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9722 "0451 Configure interrupt mode (%d) "
9723 "failed active interrupt test.\n",
9725 /* Unset the previous SLI-4 HBA setup. */
9727 * TODO: Is this operation compatible with IF TYPE 2
9728 * devices? All port state is deleted and cleared.
9730 lpfc_sli4_unset_hba(phba
);
9731 /* Try next level of interrupt mode */
9732 cfg_mode
= --intr_mode
;
9735 /* Perform post initialization setup */
9736 lpfc_post_init_setup(phba
);
9738 /* check for firmware upgrade or downgrade */
9739 if (phba
->cfg_request_firmware_upgrade
)
9740 ret
= lpfc_sli4_request_firmware_update(phba
, INT_FW_UPGRADE
);
9742 /* Check if there are static vports to be created. */
9743 lpfc_create_static_vport(phba
);
9747 lpfc_sli4_disable_intr(phba
);
9748 out_free_sysfs_attr
:
9749 lpfc_free_sysfs_attr(vport
);
9751 lpfc_destroy_shost(phba
);
9752 out_unset_driver_resource
:
9753 lpfc_unset_driver_resource_phase2(phba
);
9755 lpfc_free_iocb_list(phba
);
9756 out_unset_driver_resource_s4
:
9757 lpfc_sli4_driver_resource_unset(phba
);
9758 out_unset_pci_mem_s4
:
9759 lpfc_sli4_pci_mem_unset(phba
);
9760 out_disable_pci_dev
:
9761 lpfc_disable_pci_dev(phba
);
9763 scsi_host_put(shost
);
9765 lpfc_hba_free(phba
);
9770 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
9771 * @pdev: pointer to PCI device
9773 * This routine is called from the kernel's PCI subsystem to device with
9774 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
9775 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9776 * device to be removed from the PCI subsystem properly.
9779 lpfc_pci_remove_one_s4(struct pci_dev
*pdev
)
9781 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9782 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
9783 struct lpfc_vport
**vports
;
9784 struct lpfc_hba
*phba
= vport
->phba
;
9787 /* Mark the device unloading flag */
9788 spin_lock_irq(&phba
->hbalock
);
9789 vport
->load_flag
|= FC_UNLOADING
;
9790 spin_unlock_irq(&phba
->hbalock
);
9792 /* Free the HBA sysfs attributes */
9793 lpfc_free_sysfs_attr(vport
);
9795 /* Release all the vports against this physical port */
9796 vports
= lpfc_create_vport_work_array(phba
);
9798 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
9799 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
9801 fc_vport_terminate(vports
[i
]->fc_vport
);
9803 lpfc_destroy_vport_work_array(phba
, vports
);
9805 /* Remove FC host and then SCSI host with the physical port */
9806 fc_remove_host(shost
);
9807 scsi_remove_host(shost
);
9809 /* Perform cleanup on the physical port */
9810 lpfc_cleanup(vport
);
9813 * Bring down the SLI Layer. This step disables all interrupts,
9814 * clears the rings, discards all mailbox commands, and resets
9815 * the HBA FCoE function.
9817 lpfc_debugfs_terminate(vport
);
9818 lpfc_sli4_hba_unset(phba
);
9820 spin_lock_irq(&phba
->hbalock
);
9821 list_del_init(&vport
->listentry
);
9822 spin_unlock_irq(&phba
->hbalock
);
9824 /* Perform scsi free before driver resource_unset since scsi
9825 * buffers are released to their corresponding pools here.
9827 lpfc_scsi_free(phba
);
9829 lpfc_sli4_driver_resource_unset(phba
);
9831 /* Unmap adapter Control and Doorbell registers */
9832 lpfc_sli4_pci_mem_unset(phba
);
9834 /* Release PCI resources and disable device's PCI function */
9835 scsi_host_put(shost
);
9836 lpfc_disable_pci_dev(phba
);
9838 /* Finally, free the driver's device data structure */
9839 lpfc_hba_free(phba
);
9845 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
9846 * @pdev: pointer to PCI device
9847 * @msg: power management message
9849 * This routine is called from the kernel's PCI subsystem to support system
9850 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
9851 * this method, it quiesces the device by stopping the driver's worker
9852 * thread for the device, turning off device's interrupt and DMA, and bring
9853 * the device offline. Note that as the driver implements the minimum PM
9854 * requirements to a power-aware driver's PM support for suspend/resume -- all
9855 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
9856 * method call will be treated as SUSPEND and the driver will fully
9857 * reinitialize its device during resume() method call, the driver will set
9858 * device to PCI_D3hot state in PCI config space instead of setting it
9859 * according to the @msg provided by the PM.
9862 * 0 - driver suspended the device
9866 lpfc_pci_suspend_one_s4(struct pci_dev
*pdev
, pm_message_t msg
)
9868 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9869 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9871 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9872 "2843 PCI device Power Management suspend.\n");
9874 /* Bring down the device */
9875 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
9877 kthread_stop(phba
->worker_thread
);
9879 /* Disable interrupt from device */
9880 lpfc_sli4_disable_intr(phba
);
9881 lpfc_sli4_queue_destroy(phba
);
9883 /* Save device state to PCI config space */
9884 pci_save_state(pdev
);
9885 pci_set_power_state(pdev
, PCI_D3hot
);
9891 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
9892 * @pdev: pointer to PCI device
9894 * This routine is called from the kernel's PCI subsystem to support system
9895 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
9896 * this method, it restores the device's PCI config space state and fully
9897 * reinitializes the device and brings it online. Note that as the driver
9898 * implements the minimum PM requirements to a power-aware driver's PM for
9899 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9900 * to the suspend() method call will be treated as SUSPEND and the driver
9901 * will fully reinitialize its device during resume() method call, the device
9902 * will be set to PCI_D0 directly in PCI config space before restoring the
9906 * 0 - driver suspended the device
9910 lpfc_pci_resume_one_s4(struct pci_dev
*pdev
)
9912 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9913 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9917 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9918 "0292 PCI device Power Management resume.\n");
9920 /* Restore device state from PCI config space */
9921 pci_set_power_state(pdev
, PCI_D0
);
9922 pci_restore_state(pdev
);
9925 * As the new kernel behavior of pci_restore_state() API call clears
9926 * device saved_state flag, need to save the restored state again.
9928 pci_save_state(pdev
);
9930 if (pdev
->is_busmaster
)
9931 pci_set_master(pdev
);
9933 /* Startup the kernel thread for this host adapter. */
9934 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
9935 "lpfc_worker_%d", phba
->brd_no
);
9936 if (IS_ERR(phba
->worker_thread
)) {
9937 error
= PTR_ERR(phba
->worker_thread
);
9938 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9939 "0293 PM resume failed to start worker "
9940 "thread: error=x%x.\n", error
);
9944 /* Configure and enable interrupt */
9945 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
9946 if (intr_mode
== LPFC_INTR_ERROR
) {
9947 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9948 "0294 PM resume Failed to enable interrupt\n");
9951 phba
->intr_mode
= intr_mode
;
9953 /* Restart HBA and bring it online */
9954 lpfc_sli_brdrestart(phba
);
9957 /* Log the current active interrupt mode */
9958 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9964 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
9965 * @phba: pointer to lpfc hba data structure.
9967 * This routine is called to prepare the SLI4 device for PCI slot recover. It
9968 * aborts all the outstanding SCSI I/Os to the pci device.
9971 lpfc_sli4_prep_dev_for_recover(struct lpfc_hba
*phba
)
9973 struct lpfc_sli
*psli
= &phba
->sli
;
9974 struct lpfc_sli_ring
*pring
;
9976 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9977 "2828 PCI channel I/O abort preparing for recovery\n");
9979 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9980 * and let the SCSI mid-layer to retry them to recover.
9982 pring
= &psli
->ring
[psli
->fcp_ring
];
9983 lpfc_sli_abort_iocb_ring(phba
, pring
);
9987 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
9988 * @phba: pointer to lpfc hba data structure.
9990 * This routine is called to prepare the SLI4 device for PCI slot reset. It
9991 * disables the device interrupt and pci device, and aborts the internal FCP
9995 lpfc_sli4_prep_dev_for_reset(struct lpfc_hba
*phba
)
9997 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9998 "2826 PCI channel disable preparing for reset\n");
10000 /* Block any management I/Os to the device */
10001 lpfc_block_mgmt_io(phba
, LPFC_MBX_NO_WAIT
);
10003 /* Block all SCSI devices' I/Os on the host */
10004 lpfc_scsi_dev_block(phba
);
10006 /* stop all timers */
10007 lpfc_stop_hba_timers(phba
);
10009 /* Disable interrupt and pci device */
10010 lpfc_sli4_disable_intr(phba
);
10011 lpfc_sli4_queue_destroy(phba
);
10012 pci_disable_device(phba
->pcidev
);
10014 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
10015 lpfc_sli_flush_fcp_rings(phba
);
10019 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
10020 * @phba: pointer to lpfc hba data structure.
10022 * This routine is called to prepare the SLI4 device for PCI slot permanently
10023 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
10027 lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
10029 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10030 "2827 PCI channel permanent disable for failure\n");
10032 /* Block all SCSI devices' I/Os on the host */
10033 lpfc_scsi_dev_block(phba
);
10035 /* stop all timers */
10036 lpfc_stop_hba_timers(phba
);
10038 /* Clean up all driver's outstanding SCSI I/Os */
10039 lpfc_sli_flush_fcp_rings(phba
);
10043 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
10044 * @pdev: pointer to PCI device.
10045 * @state: the current PCI connection state.
10047 * This routine is called from the PCI subsystem for error handling to device
10048 * with SLI-4 interface spec. This function is called by the PCI subsystem
10049 * after a PCI bus error affecting this device has been detected. When this
10050 * function is invoked, it will need to stop all the I/Os and interrupt(s)
10051 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
10052 * for the PCI subsystem to perform proper recovery as desired.
10055 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10056 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10058 static pci_ers_result_t
10059 lpfc_io_error_detected_s4(struct pci_dev
*pdev
, pci_channel_state_t state
)
10061 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10062 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10065 case pci_channel_io_normal
:
10066 /* Non-fatal error, prepare for recovery */
10067 lpfc_sli4_prep_dev_for_recover(phba
);
10068 return PCI_ERS_RESULT_CAN_RECOVER
;
10069 case pci_channel_io_frozen
:
10070 /* Fatal error, prepare for slot reset */
10071 lpfc_sli4_prep_dev_for_reset(phba
);
10072 return PCI_ERS_RESULT_NEED_RESET
;
10073 case pci_channel_io_perm_failure
:
10074 /* Permanent failure, prepare for device down */
10075 lpfc_sli4_prep_dev_for_perm_failure(phba
);
10076 return PCI_ERS_RESULT_DISCONNECT
;
10078 /* Unknown state, prepare and request slot reset */
10079 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10080 "2825 Unknown PCI error state: x%x\n", state
);
10081 lpfc_sli4_prep_dev_for_reset(phba
);
10082 return PCI_ERS_RESULT_NEED_RESET
;
10087 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
10088 * @pdev: pointer to PCI device.
10090 * This routine is called from the PCI subsystem for error handling to device
10091 * with SLI-4 interface spec. It is called after PCI bus has been reset to
10092 * restart the PCI card from scratch, as if from a cold-boot. During the
10093 * PCI subsystem error recovery, after the driver returns
10094 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
10095 * recovery and then call this routine before calling the .resume method to
10096 * recover the device. This function will initialize the HBA device, enable
10097 * the interrupt, but it will just put the HBA to offline state without
10098 * passing any I/O traffic.
10101 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10102 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10104 static pci_ers_result_t
10105 lpfc_io_slot_reset_s4(struct pci_dev
*pdev
)
10107 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10108 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10109 struct lpfc_sli
*psli
= &phba
->sli
;
10110 uint32_t intr_mode
;
10112 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
10113 if (pci_enable_device_mem(pdev
)) {
10114 printk(KERN_ERR
"lpfc: Cannot re-enable "
10115 "PCI device after reset.\n");
10116 return PCI_ERS_RESULT_DISCONNECT
;
10119 pci_restore_state(pdev
);
10122 * As the new kernel behavior of pci_restore_state() API call clears
10123 * device saved_state flag, need to save the restored state again.
10125 pci_save_state(pdev
);
10127 if (pdev
->is_busmaster
)
10128 pci_set_master(pdev
);
10130 spin_lock_irq(&phba
->hbalock
);
10131 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
10132 spin_unlock_irq(&phba
->hbalock
);
10134 /* Configure and enable interrupt */
10135 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
10136 if (intr_mode
== LPFC_INTR_ERROR
) {
10137 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10138 "2824 Cannot re-enable interrupt after "
10140 return PCI_ERS_RESULT_DISCONNECT
;
10142 phba
->intr_mode
= intr_mode
;
10144 /* Log the current active interrupt mode */
10145 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
10147 return PCI_ERS_RESULT_RECOVERED
;
10151 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
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 when kernel error recovery tells
10156 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
10157 * error recovery. After this call, traffic can start to flow from this device
10161 lpfc_io_resume_s4(struct pci_dev
*pdev
)
10163 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10164 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10167 * In case of slot reset, as function reset is performed through
10168 * mailbox command which needs DMA to be enabled, this operation
10169 * has to be moved to the io resume phase. Taking device offline
10170 * will perform the necessary cleanup.
10172 if (!(phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)) {
10173 /* Perform device reset */
10174 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
10175 lpfc_offline(phba
);
10176 lpfc_sli_brdrestart(phba
);
10177 /* Bring the device back online */
10181 /* Clean up Advanced Error Reporting (AER) if needed */
10182 if (phba
->hba_flag
& HBA_AER_ENABLED
)
10183 pci_cleanup_aer_uncorrect_error_status(pdev
);
10187 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
10188 * @pdev: pointer to PCI device
10189 * @pid: pointer to PCI device identifier
10191 * This routine is to be registered to the kernel's PCI subsystem. When an
10192 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
10193 * at PCI device-specific information of the device and driver to see if the
10194 * driver state that it can support this kind of device. If the match is
10195 * successful, the driver core invokes this routine. This routine dispatches
10196 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
10197 * do all the initialization that it needs to do to handle the HBA device
10201 * 0 - driver can claim the device
10202 * negative value - driver can not claim the device
10205 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
10208 struct lpfc_sli_intf intf
;
10210 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
, &intf
.word0
))
10213 if ((bf_get(lpfc_sli_intf_valid
, &intf
) == LPFC_SLI_INTF_VALID
) &&
10214 (bf_get(lpfc_sli_intf_slirev
, &intf
) == LPFC_SLI_INTF_REV_SLI4
))
10215 rc
= lpfc_pci_probe_one_s4(pdev
, pid
);
10217 rc
= lpfc_pci_probe_one_s3(pdev
, pid
);
10223 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
10224 * @pdev: pointer to PCI device
10226 * This routine is to be registered to the kernel's PCI subsystem. When an
10227 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
10228 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
10229 * remove routine, which will perform all the necessary cleanup for the
10230 * device to be removed from the PCI subsystem properly.
10233 lpfc_pci_remove_one(struct pci_dev
*pdev
)
10235 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10236 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10238 switch (phba
->pci_dev_grp
) {
10239 case LPFC_PCI_DEV_LP
:
10240 lpfc_pci_remove_one_s3(pdev
);
10242 case LPFC_PCI_DEV_OC
:
10243 lpfc_pci_remove_one_s4(pdev
);
10246 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10247 "1424 Invalid PCI device group: 0x%x\n",
10248 phba
->pci_dev_grp
);
10255 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
10256 * @pdev: pointer to PCI device
10257 * @msg: power management message
10259 * This routine is to be registered to the kernel's PCI subsystem to support
10260 * system Power Management (PM). When PM invokes this method, it dispatches
10261 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
10262 * suspend the device.
10265 * 0 - driver suspended the device
10269 lpfc_pci_suspend_one(struct pci_dev
*pdev
, pm_message_t msg
)
10271 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10272 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10275 switch (phba
->pci_dev_grp
) {
10276 case LPFC_PCI_DEV_LP
:
10277 rc
= lpfc_pci_suspend_one_s3(pdev
, msg
);
10279 case LPFC_PCI_DEV_OC
:
10280 rc
= lpfc_pci_suspend_one_s4(pdev
, msg
);
10283 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10284 "1425 Invalid PCI device group: 0x%x\n",
10285 phba
->pci_dev_grp
);
10292 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
10293 * @pdev: pointer to PCI device
10295 * This routine is to be registered to the kernel's PCI subsystem to support
10296 * system Power Management (PM). When PM invokes this method, it dispatches
10297 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
10298 * resume the device.
10301 * 0 - driver suspended the device
10305 lpfc_pci_resume_one(struct pci_dev
*pdev
)
10307 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10308 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10311 switch (phba
->pci_dev_grp
) {
10312 case LPFC_PCI_DEV_LP
:
10313 rc
= lpfc_pci_resume_one_s3(pdev
);
10315 case LPFC_PCI_DEV_OC
:
10316 rc
= lpfc_pci_resume_one_s4(pdev
);
10319 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10320 "1426 Invalid PCI device group: 0x%x\n",
10321 phba
->pci_dev_grp
);
10328 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
10329 * @pdev: pointer to PCI device.
10330 * @state: the current PCI connection state.
10332 * This routine is registered to the PCI subsystem for error handling. This
10333 * function is called by the PCI subsystem after a PCI bus error affecting
10334 * this device has been detected. When this routine is invoked, it dispatches
10335 * the action to the proper SLI-3 or SLI-4 device error detected handling
10336 * routine, which will perform the proper error detected operation.
10339 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10340 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10342 static pci_ers_result_t
10343 lpfc_io_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
10345 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10346 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10347 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
10349 switch (phba
->pci_dev_grp
) {
10350 case LPFC_PCI_DEV_LP
:
10351 rc
= lpfc_io_error_detected_s3(pdev
, state
);
10353 case LPFC_PCI_DEV_OC
:
10354 rc
= lpfc_io_error_detected_s4(pdev
, state
);
10357 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10358 "1427 Invalid PCI device group: 0x%x\n",
10359 phba
->pci_dev_grp
);
10366 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
10367 * @pdev: pointer to PCI device.
10369 * This routine is registered to the PCI subsystem for error handling. This
10370 * function is called after PCI bus has been reset to restart the PCI card
10371 * from scratch, as if from a cold-boot. When this routine is invoked, it
10372 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
10373 * routine, which will perform the proper device reset.
10376 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10377 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10379 static pci_ers_result_t
10380 lpfc_io_slot_reset(struct pci_dev
*pdev
)
10382 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10383 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10384 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
10386 switch (phba
->pci_dev_grp
) {
10387 case LPFC_PCI_DEV_LP
:
10388 rc
= lpfc_io_slot_reset_s3(pdev
);
10390 case LPFC_PCI_DEV_OC
:
10391 rc
= lpfc_io_slot_reset_s4(pdev
);
10394 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10395 "1428 Invalid PCI device group: 0x%x\n",
10396 phba
->pci_dev_grp
);
10403 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
10404 * @pdev: pointer to PCI device
10406 * This routine is registered to the PCI subsystem for error handling. It
10407 * is called when kernel error recovery tells the lpfc driver that it is
10408 * OK to resume normal PCI operation after PCI bus error recovery. When
10409 * this routine is invoked, it dispatches the action to the proper SLI-3
10410 * or SLI-4 device io_resume routine, which will resume the device operation.
10413 lpfc_io_resume(struct pci_dev
*pdev
)
10415 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10416 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10418 switch (phba
->pci_dev_grp
) {
10419 case LPFC_PCI_DEV_LP
:
10420 lpfc_io_resume_s3(pdev
);
10422 case LPFC_PCI_DEV_OC
:
10423 lpfc_io_resume_s4(pdev
);
10426 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10427 "1429 Invalid PCI device group: 0x%x\n",
10428 phba
->pci_dev_grp
);
10435 * lpfc_mgmt_open - method called when 'lpfcmgmt' is opened from userspace
10436 * @inode: pointer to the inode representing the lpfcmgmt device
10437 * @filep: pointer to the file representing the open lpfcmgmt device
10439 * This routine puts a reference count on the lpfc module whenever the
10440 * character device is opened
10443 lpfc_mgmt_open(struct inode
*inode
, struct file
*filep
)
10445 try_module_get(THIS_MODULE
);
10450 * lpfc_mgmt_release - method called when 'lpfcmgmt' is closed in userspace
10451 * @inode: pointer to the inode representing the lpfcmgmt device
10452 * @filep: pointer to the file representing the open lpfcmgmt device
10454 * This routine removes a reference count from the lpfc module when the
10455 * character device is closed
10458 lpfc_mgmt_release(struct inode
*inode
, struct file
*filep
)
10460 module_put(THIS_MODULE
);
10464 static struct pci_device_id lpfc_id_table
[] = {
10465 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
10466 PCI_ANY_ID
, PCI_ANY_ID
, },
10467 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
10468 PCI_ANY_ID
, PCI_ANY_ID
, },
10469 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
10470 PCI_ANY_ID
, PCI_ANY_ID
, },
10471 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
10472 PCI_ANY_ID
, PCI_ANY_ID
, },
10473 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
10474 PCI_ANY_ID
, PCI_ANY_ID
, },
10475 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
10476 PCI_ANY_ID
, PCI_ANY_ID
, },
10477 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
10478 PCI_ANY_ID
, PCI_ANY_ID
, },
10479 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
10480 PCI_ANY_ID
, PCI_ANY_ID
, },
10481 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
10482 PCI_ANY_ID
, PCI_ANY_ID
, },
10483 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
10484 PCI_ANY_ID
, PCI_ANY_ID
, },
10485 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
10486 PCI_ANY_ID
, PCI_ANY_ID
, },
10487 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
10488 PCI_ANY_ID
, PCI_ANY_ID
, },
10489 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
10490 PCI_ANY_ID
, PCI_ANY_ID
, },
10491 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
10492 PCI_ANY_ID
, PCI_ANY_ID
, },
10493 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
10494 PCI_ANY_ID
, PCI_ANY_ID
, },
10495 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
10496 PCI_ANY_ID
, PCI_ANY_ID
, },
10497 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
10498 PCI_ANY_ID
, PCI_ANY_ID
, },
10499 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
10500 PCI_ANY_ID
, PCI_ANY_ID
, },
10501 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HORNET
,
10502 PCI_ANY_ID
, PCI_ANY_ID
, },
10503 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
10504 PCI_ANY_ID
, PCI_ANY_ID
, },
10505 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
10506 PCI_ANY_ID
, PCI_ANY_ID
, },
10507 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
10508 PCI_ANY_ID
, PCI_ANY_ID
, },
10509 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
10510 PCI_ANY_ID
, PCI_ANY_ID
, },
10511 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
10512 PCI_ANY_ID
, PCI_ANY_ID
, },
10513 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
10514 PCI_ANY_ID
, PCI_ANY_ID
, },
10515 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
10516 PCI_ANY_ID
, PCI_ANY_ID
, },
10517 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
10518 PCI_ANY_ID
, PCI_ANY_ID
, },
10519 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
10520 PCI_ANY_ID
, PCI_ANY_ID
, },
10521 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT
,
10522 PCI_ANY_ID
, PCI_ANY_ID
, },
10523 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_MID
,
10524 PCI_ANY_ID
, PCI_ANY_ID
, },
10525 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SMB
,
10526 PCI_ANY_ID
, PCI_ANY_ID
, },
10527 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_DCSP
,
10528 PCI_ANY_ID
, PCI_ANY_ID
, },
10529 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SCSP
,
10530 PCI_ANY_ID
, PCI_ANY_ID
, },
10531 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_S
,
10532 PCI_ANY_ID
, PCI_ANY_ID
, },
10533 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_VF
,
10534 PCI_ANY_ID
, PCI_ANY_ID
, },
10535 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_PF
,
10536 PCI_ANY_ID
, PCI_ANY_ID
, },
10537 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_S
,
10538 PCI_ANY_ID
, PCI_ANY_ID
, },
10539 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TIGERSHARK
,
10540 PCI_ANY_ID
, PCI_ANY_ID
, },
10541 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TOMCAT
,
10542 PCI_ANY_ID
, PCI_ANY_ID
, },
10543 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FALCON
,
10544 PCI_ANY_ID
, PCI_ANY_ID
, },
10545 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BALIUS
,
10546 PCI_ANY_ID
, PCI_ANY_ID
, },
10547 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC
,
10548 PCI_ANY_ID
, PCI_ANY_ID
, },
10549 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE
,
10550 PCI_ANY_ID
, PCI_ANY_ID
, },
10551 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC_VF
,
10552 PCI_ANY_ID
, PCI_ANY_ID
, },
10553 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE_VF
,
10554 PCI_ANY_ID
, PCI_ANY_ID
, },
10555 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SKYHAWK
,
10556 PCI_ANY_ID
, PCI_ANY_ID
, },
10557 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SKYHAWK_VF
,
10558 PCI_ANY_ID
, PCI_ANY_ID
, },
10562 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
10564 static const struct pci_error_handlers lpfc_err_handler
= {
10565 .error_detected
= lpfc_io_error_detected
,
10566 .slot_reset
= lpfc_io_slot_reset
,
10567 .resume
= lpfc_io_resume
,
10570 static struct pci_driver lpfc_driver
= {
10571 .name
= LPFC_DRIVER_NAME
,
10572 .id_table
= lpfc_id_table
,
10573 .probe
= lpfc_pci_probe_one
,
10574 .remove
= lpfc_pci_remove_one
,
10575 .suspend
= lpfc_pci_suspend_one
,
10576 .resume
= lpfc_pci_resume_one
,
10577 .err_handler
= &lpfc_err_handler
,
10580 static const struct file_operations lpfc_mgmt_fop
= {
10581 .open
= lpfc_mgmt_open
,
10582 .release
= lpfc_mgmt_release
,
10585 static struct miscdevice lpfc_mgmt_dev
= {
10586 .minor
= MISC_DYNAMIC_MINOR
,
10587 .name
= "lpfcmgmt",
10588 .fops
= &lpfc_mgmt_fop
,
10592 * lpfc_init - lpfc module initialization routine
10594 * This routine is to be invoked when the lpfc module is loaded into the
10595 * kernel. The special kernel macro module_init() is used to indicate the
10596 * role of this routine to the kernel as lpfc module entry point.
10600 * -ENOMEM - FC attach transport failed
10601 * all others - failed
10608 printk(LPFC_MODULE_DESC
"\n");
10609 printk(LPFC_COPYRIGHT
"\n");
10611 error
= misc_register(&lpfc_mgmt_dev
);
10613 printk(KERN_ERR
"Could not register lpfcmgmt device, "
10614 "misc_register returned with status %d", error
);
10616 if (lpfc_enable_npiv
) {
10617 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
10618 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
10620 lpfc_transport_template
=
10621 fc_attach_transport(&lpfc_transport_functions
);
10622 if (lpfc_transport_template
== NULL
)
10624 if (lpfc_enable_npiv
) {
10625 lpfc_vport_transport_template
=
10626 fc_attach_transport(&lpfc_vport_transport_functions
);
10627 if (lpfc_vport_transport_template
== NULL
) {
10628 fc_release_transport(lpfc_transport_template
);
10632 error
= pci_register_driver(&lpfc_driver
);
10634 fc_release_transport(lpfc_transport_template
);
10635 if (lpfc_enable_npiv
)
10636 fc_release_transport(lpfc_vport_transport_template
);
10643 * lpfc_exit - lpfc module removal routine
10645 * This routine is invoked when the lpfc module is removed from the kernel.
10646 * The special kernel macro module_exit() is used to indicate the role of
10647 * this routine to the kernel as lpfc module exit point.
10652 misc_deregister(&lpfc_mgmt_dev
);
10653 pci_unregister_driver(&lpfc_driver
);
10654 fc_release_transport(lpfc_transport_template
);
10655 if (lpfc_enable_npiv
)
10656 fc_release_transport(lpfc_vport_transport_template
);
10657 if (_dump_buf_data
) {
10658 printk(KERN_ERR
"9062 BLKGRD: freeing %lu pages for "
10659 "_dump_buf_data at 0x%p\n",
10660 (1L << _dump_buf_data_order
), _dump_buf_data
);
10661 free_pages((unsigned long)_dump_buf_data
, _dump_buf_data_order
);
10664 if (_dump_buf_dif
) {
10665 printk(KERN_ERR
"9049 BLKGRD: freeing %lu pages for "
10666 "_dump_buf_dif at 0x%p\n",
10667 (1L << _dump_buf_dif_order
), _dump_buf_dif
);
10668 free_pages((unsigned long)_dump_buf_dif
, _dump_buf_dif_order
);
10672 module_init(lpfc_init
);
10673 module_exit(lpfc_exit
);
10674 MODULE_LICENSE("GPL");
10675 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
10676 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
10677 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);