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
].cmdringaddr
)
484 psli
->ring
[psli
->extra_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
485 if (psli
->ring
[psli
->fcp_ring
].cmdringaddr
)
486 psli
->ring
[psli
->fcp_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
487 if (psli
->ring
[psli
->next_ring
].cmdringaddr
)
488 psli
->ring
[psli
->next_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
490 /* Post receive buffers for desired rings */
491 if (phba
->sli_rev
!= 3)
492 lpfc_post_rcv_buf(phba
);
495 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
497 if (phba
->intr_type
== MSIX
) {
498 rc
= lpfc_config_msi(phba
, pmb
);
500 mempool_free(pmb
, phba
->mbox_mem_pool
);
503 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
504 if (rc
!= MBX_SUCCESS
) {
505 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
506 "0352 Config MSI mailbox command "
507 "failed, mbxCmd x%x, mbxStatus x%x\n",
508 pmb
->u
.mb
.mbxCommand
,
509 pmb
->u
.mb
.mbxStatus
);
510 mempool_free(pmb
, phba
->mbox_mem_pool
);
515 spin_lock_irq(&phba
->hbalock
);
516 /* Initialize ERATT handling flag */
517 phba
->hba_flag
&= ~HBA_ERATT_HANDLED
;
519 /* Enable appropriate host interrupts */
520 if (lpfc_readl(phba
->HCregaddr
, &status
)) {
521 spin_unlock_irq(&phba
->hbalock
);
524 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
525 if (psli
->num_rings
> 0)
526 status
|= HC_R0INT_ENA
;
527 if (psli
->num_rings
> 1)
528 status
|= HC_R1INT_ENA
;
529 if (psli
->num_rings
> 2)
530 status
|= HC_R2INT_ENA
;
531 if (psli
->num_rings
> 3)
532 status
|= HC_R3INT_ENA
;
534 if ((phba
->cfg_poll
& ENABLE_FCP_RING_POLLING
) &&
535 (phba
->cfg_poll
& DISABLE_FCP_RING_INT
))
536 status
&= ~(HC_R0INT_ENA
);
538 writel(status
, phba
->HCregaddr
);
539 readl(phba
->HCregaddr
); /* flush */
540 spin_unlock_irq(&phba
->hbalock
);
542 /* Set up ring-0 (ELS) timer */
543 timeout
= phba
->fc_ratov
* 2;
544 mod_timer(&vport
->els_tmofunc
, jiffies
+ HZ
* timeout
);
545 /* Set up heart beat (HB) timer */
546 mod_timer(&phba
->hb_tmofunc
, jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
547 phba
->hb_outstanding
= 0;
548 phba
->last_completion_time
= jiffies
;
549 /* Set up error attention (ERATT) polling timer */
550 mod_timer(&phba
->eratt_poll
, jiffies
+ HZ
* LPFC_ERATT_POLL_INTERVAL
);
552 if (phba
->hba_flag
& LINK_DISABLED
) {
553 lpfc_printf_log(phba
,
555 "2598 Adapter Link is disabled.\n");
556 lpfc_down_link(phba
, pmb
);
557 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
558 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
559 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
560 lpfc_printf_log(phba
,
562 "2599 Adapter failed to issue DOWN_LINK"
563 " mbox command rc 0x%x\n", rc
);
565 mempool_free(pmb
, phba
->mbox_mem_pool
);
568 } else if (phba
->cfg_suppress_link_up
== LPFC_INITIALIZE_LINK
) {
569 mempool_free(pmb
, phba
->mbox_mem_pool
);
570 rc
= phba
->lpfc_hba_init_link(phba
, MBX_NOWAIT
);
574 /* MBOX buffer will be freed in mbox compl */
575 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
577 phba
->link_state
= LPFC_HBA_ERROR
;
581 lpfc_config_async(phba
, pmb
, LPFC_ELS_RING
);
582 pmb
->mbox_cmpl
= lpfc_config_async_cmpl
;
583 pmb
->vport
= phba
->pport
;
584 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
586 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
587 lpfc_printf_log(phba
,
590 "0456 Adapter failed to issue "
591 "ASYNCEVT_ENABLE mbox status x%x\n",
593 mempool_free(pmb
, phba
->mbox_mem_pool
);
596 /* Get Option rom version */
597 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
599 phba
->link_state
= LPFC_HBA_ERROR
;
603 lpfc_dump_wakeup_param(phba
, pmb
);
604 pmb
->mbox_cmpl
= lpfc_dump_wakeup_param_cmpl
;
605 pmb
->vport
= phba
->pport
;
606 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
608 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
609 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
, "0435 Adapter failed "
610 "to get Option ROM version status x%x\n", rc
);
611 mempool_free(pmb
, phba
->mbox_mem_pool
);
618 * lpfc_hba_init_link - Initialize the FC link
619 * @phba: pointer to lpfc hba data structure.
620 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
622 * This routine will issue the INIT_LINK mailbox command call.
623 * It is available to other drivers through the lpfc_hba data
624 * structure for use as a delayed link up mechanism with the
625 * module parameter lpfc_suppress_link_up.
629 * Any other value - error
632 lpfc_hba_init_link(struct lpfc_hba
*phba
, uint32_t flag
)
634 return lpfc_hba_init_link_fc_topology(phba
, phba
->cfg_topology
, flag
);
638 * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology
639 * @phba: pointer to lpfc hba data structure.
640 * @fc_topology: desired fc topology.
641 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
643 * This routine will issue the INIT_LINK mailbox command call.
644 * It is available to other drivers through the lpfc_hba data
645 * structure for use as a delayed link up mechanism with the
646 * module parameter lpfc_suppress_link_up.
650 * Any other value - error
653 lpfc_hba_init_link_fc_topology(struct lpfc_hba
*phba
, uint32_t fc_topology
,
656 struct lpfc_vport
*vport
= phba
->pport
;
661 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
663 phba
->link_state
= LPFC_HBA_ERROR
;
669 if ((phba
->cfg_link_speed
> LPFC_USER_LINK_SPEED_MAX
) ||
670 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_1G
) &&
671 !(phba
->lmt
& LMT_1Gb
)) ||
672 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_2G
) &&
673 !(phba
->lmt
& LMT_2Gb
)) ||
674 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_4G
) &&
675 !(phba
->lmt
& LMT_4Gb
)) ||
676 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_8G
) &&
677 !(phba
->lmt
& LMT_8Gb
)) ||
678 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_10G
) &&
679 !(phba
->lmt
& LMT_10Gb
)) ||
680 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_16G
) &&
681 !(phba
->lmt
& LMT_16Gb
))) {
682 /* Reset link speed to auto */
683 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
684 "1302 Invalid speed for this board:%d "
685 "Reset link speed to auto.\n",
686 phba
->cfg_link_speed
);
687 phba
->cfg_link_speed
= LPFC_USER_LINK_SPEED_AUTO
;
689 lpfc_init_link(phba
, pmb
, fc_topology
, phba
->cfg_link_speed
);
690 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
691 if (phba
->sli_rev
< LPFC_SLI_REV4
)
692 lpfc_set_loopback_flag(phba
);
693 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
694 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
695 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
696 "0498 Adapter failed to init, mbxCmd x%x "
697 "INIT_LINK, mbxStatus x%x\n",
698 mb
->mbxCommand
, mb
->mbxStatus
);
699 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
700 /* Clear all interrupt enable conditions */
701 writel(0, phba
->HCregaddr
);
702 readl(phba
->HCregaddr
); /* flush */
703 /* Clear all pending interrupts */
704 writel(0xffffffff, phba
->HAregaddr
);
705 readl(phba
->HAregaddr
); /* flush */
707 phba
->link_state
= LPFC_HBA_ERROR
;
708 if (rc
!= MBX_BUSY
|| flag
== MBX_POLL
)
709 mempool_free(pmb
, phba
->mbox_mem_pool
);
712 phba
->cfg_suppress_link_up
= LPFC_INITIALIZE_LINK
;
713 if (flag
== MBX_POLL
)
714 mempool_free(pmb
, phba
->mbox_mem_pool
);
720 * lpfc_hba_down_link - this routine downs the FC link
721 * @phba: pointer to lpfc hba data structure.
722 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
724 * This routine will issue the DOWN_LINK mailbox command call.
725 * It is available to other drivers through the lpfc_hba data
726 * structure for use to stop the link.
730 * Any other value - error
733 lpfc_hba_down_link(struct lpfc_hba
*phba
, uint32_t flag
)
738 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
740 phba
->link_state
= LPFC_HBA_ERROR
;
744 lpfc_printf_log(phba
,
746 "0491 Adapter Link is disabled.\n");
747 lpfc_down_link(phba
, pmb
);
748 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
749 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
750 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
751 lpfc_printf_log(phba
,
753 "2522 Adapter failed to issue DOWN_LINK"
754 " mbox command rc 0x%x\n", rc
);
756 mempool_free(pmb
, phba
->mbox_mem_pool
);
759 if (flag
== MBX_POLL
)
760 mempool_free(pmb
, phba
->mbox_mem_pool
);
766 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
767 * @phba: pointer to lpfc HBA data structure.
769 * This routine will do LPFC uninitialization before the HBA is reset when
770 * bringing down the SLI Layer.
774 * Any other value - error.
777 lpfc_hba_down_prep(struct lpfc_hba
*phba
)
779 struct lpfc_vport
**vports
;
782 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
783 /* Disable interrupts */
784 writel(0, phba
->HCregaddr
);
785 readl(phba
->HCregaddr
); /* flush */
788 if (phba
->pport
->load_flag
& FC_UNLOADING
)
789 lpfc_cleanup_discovery_resources(phba
->pport
);
791 vports
= lpfc_create_vport_work_array(phba
);
793 for (i
= 0; i
<= phba
->max_vports
&&
794 vports
[i
] != NULL
; i
++)
795 lpfc_cleanup_discovery_resources(vports
[i
]);
796 lpfc_destroy_vport_work_array(phba
, vports
);
802 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
803 * @phba: pointer to lpfc HBA data structure.
805 * This routine will do uninitialization after the HBA is reset when bring
806 * down the SLI Layer.
810 * Any other value - error.
813 lpfc_hba_down_post_s3(struct lpfc_hba
*phba
)
815 struct lpfc_sli
*psli
= &phba
->sli
;
816 struct lpfc_sli_ring
*pring
;
817 struct lpfc_dmabuf
*mp
, *next_mp
;
818 LIST_HEAD(completions
);
821 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)
822 lpfc_sli_hbqbuf_free_all(phba
);
824 /* Cleanup preposted buffers on the ELS ring */
825 pring
= &psli
->ring
[LPFC_ELS_RING
];
826 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
828 pring
->postbufq_cnt
--;
829 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
834 spin_lock_irq(&phba
->hbalock
);
835 for (i
= 0; i
< psli
->num_rings
; i
++) {
836 pring
= &psli
->ring
[i
];
838 /* At this point in time the HBA is either reset or DOA. Either
839 * way, nothing should be on txcmplq as it will NEVER complete.
841 list_splice_init(&pring
->txcmplq
, &completions
);
842 pring
->txcmplq_cnt
= 0;
843 spin_unlock_irq(&phba
->hbalock
);
845 /* Cancel all the IOCBs from the completions list */
846 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
849 lpfc_sli_abort_iocb_ring(phba
, pring
);
850 spin_lock_irq(&phba
->hbalock
);
852 spin_unlock_irq(&phba
->hbalock
);
858 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
859 * @phba: pointer to lpfc HBA data structure.
861 * This routine will do uninitialization after the HBA is reset when bring
862 * down the SLI Layer.
866 * Any other value - error.
869 lpfc_hba_down_post_s4(struct lpfc_hba
*phba
)
871 struct lpfc_scsi_buf
*psb
, *psb_next
;
874 unsigned long iflag
= 0;
875 struct lpfc_sglq
*sglq_entry
= NULL
;
877 ret
= lpfc_hba_down_post_s3(phba
);
880 /* At this point in time the HBA is either reset or DOA. Either
881 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
882 * on the lpfc_sgl_list so that it can either be freed if the
883 * driver is unloading or reposted if the driver is restarting
886 spin_lock_irq(&phba
->hbalock
); /* required for lpfc_sgl_list and */
888 /* abts_sgl_list_lock required because worker thread uses this
891 spin_lock(&phba
->sli4_hba
.abts_sgl_list_lock
);
892 list_for_each_entry(sglq_entry
,
893 &phba
->sli4_hba
.lpfc_abts_els_sgl_list
, list
)
894 sglq_entry
->state
= SGL_FREED
;
896 list_splice_init(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
,
897 &phba
->sli4_hba
.lpfc_sgl_list
);
898 spin_unlock(&phba
->sli4_hba
.abts_sgl_list_lock
);
899 /* abts_scsi_buf_list_lock required because worker thread uses this
902 spin_lock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
903 list_splice_init(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
,
905 spin_unlock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
906 spin_unlock_irq(&phba
->hbalock
);
908 list_for_each_entry_safe(psb
, psb_next
, &aborts
, list
) {
910 psb
->status
= IOSTAT_SUCCESS
;
912 spin_lock_irqsave(&phba
->scsi_buf_list_lock
, iflag
);
913 list_splice(&aborts
, &phba
->lpfc_scsi_buf_list
);
914 spin_unlock_irqrestore(&phba
->scsi_buf_list_lock
, iflag
);
919 * lpfc_hba_down_post - Wrapper func for hba down post routine
920 * @phba: pointer to lpfc HBA data structure.
922 * This routine wraps the actual SLI3 or SLI4 routine for performing
923 * uninitialization after the HBA is reset when bring down the SLI Layer.
927 * Any other value - error.
930 lpfc_hba_down_post(struct lpfc_hba
*phba
)
932 return (*phba
->lpfc_hba_down_post
)(phba
);
936 * lpfc_hb_timeout - The HBA-timer timeout handler
937 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
939 * This is the HBA-timer timeout handler registered to the lpfc driver. When
940 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
941 * work-port-events bitmap and the worker thread is notified. This timeout
942 * event will be used by the worker thread to invoke the actual timeout
943 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
944 * be performed in the timeout handler and the HBA timeout event bit shall
945 * be cleared by the worker thread after it has taken the event bitmap out.
948 lpfc_hb_timeout(unsigned long ptr
)
950 struct lpfc_hba
*phba
;
954 phba
= (struct lpfc_hba
*)ptr
;
956 /* Check for heart beat timeout conditions */
957 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
958 tmo_posted
= phba
->pport
->work_port_events
& WORKER_HB_TMO
;
960 phba
->pport
->work_port_events
|= WORKER_HB_TMO
;
961 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
963 /* Tell the worker thread there is work to do */
965 lpfc_worker_wake_up(phba
);
970 * lpfc_rrq_timeout - The RRQ-timer timeout handler
971 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
973 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
974 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
975 * work-port-events bitmap and the worker thread is notified. This timeout
976 * event will be used by the worker thread to invoke the actual timeout
977 * handler routine, lpfc_rrq_handler. Any periodical operations will
978 * be performed in the timeout handler and the RRQ timeout event bit shall
979 * be cleared by the worker thread after it has taken the event bitmap out.
982 lpfc_rrq_timeout(unsigned long ptr
)
984 struct lpfc_hba
*phba
;
987 phba
= (struct lpfc_hba
*)ptr
;
988 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
989 phba
->hba_flag
|= HBA_RRQ_ACTIVE
;
990 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
991 lpfc_worker_wake_up(phba
);
995 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
996 * @phba: pointer to lpfc hba data structure.
997 * @pmboxq: pointer to the driver internal queue element for mailbox command.
999 * This is the callback function to the lpfc heart-beat mailbox command.
1000 * If configured, the lpfc driver issues the heart-beat mailbox command to
1001 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
1002 * heart-beat mailbox command is issued, the driver shall set up heart-beat
1003 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
1004 * heart-beat outstanding state. Once the mailbox command comes back and
1005 * no error conditions detected, the heart-beat mailbox command timer is
1006 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1007 * state is cleared for the next heart-beat. If the timer expired with the
1008 * heart-beat outstanding state set, the driver will put the HBA offline.
1011 lpfc_hb_mbox_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
1013 unsigned long drvr_flag
;
1015 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
1016 phba
->hb_outstanding
= 0;
1017 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
1019 /* Check and reset heart-beat timer is necessary */
1020 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1021 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
) &&
1022 !(phba
->link_state
== LPFC_HBA_ERROR
) &&
1023 !(phba
->pport
->load_flag
& FC_UNLOADING
))
1024 mod_timer(&phba
->hb_tmofunc
,
1025 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
1030 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
1031 * @phba: pointer to lpfc hba data structure.
1033 * This is the actual HBA-timer timeout handler to be invoked by the worker
1034 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1035 * handler performs any periodic operations needed for the device. If such
1036 * periodic event has already been attended to either in the interrupt handler
1037 * or by processing slow-ring or fast-ring events within the HBA-timer
1038 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1039 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1040 * is configured and there is no heart-beat mailbox command outstanding, a
1041 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1042 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1046 lpfc_hb_timeout_handler(struct lpfc_hba
*phba
)
1048 struct lpfc_vport
**vports
;
1049 LPFC_MBOXQ_t
*pmboxq
;
1050 struct lpfc_dmabuf
*buf_ptr
;
1052 struct lpfc_sli
*psli
= &phba
->sli
;
1053 LIST_HEAD(completions
);
1055 vports
= lpfc_create_vport_work_array(phba
);
1057 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
1058 lpfc_rcv_seq_check_edtov(vports
[i
]);
1059 lpfc_destroy_vport_work_array(phba
, vports
);
1061 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
1062 (phba
->pport
->load_flag
& FC_UNLOADING
) ||
1063 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
1066 spin_lock_irq(&phba
->pport
->work_port_lock
);
1068 if (time_after(phba
->last_completion_time
+ LPFC_HB_MBOX_INTERVAL
* HZ
,
1070 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1071 if (!phba
->hb_outstanding
)
1072 mod_timer(&phba
->hb_tmofunc
,
1073 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
1075 mod_timer(&phba
->hb_tmofunc
,
1076 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
1079 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1081 if (phba
->elsbuf_cnt
&&
1082 (phba
->elsbuf_cnt
== phba
->elsbuf_prev_cnt
)) {
1083 spin_lock_irq(&phba
->hbalock
);
1084 list_splice_init(&phba
->elsbuf
, &completions
);
1085 phba
->elsbuf_cnt
= 0;
1086 phba
->elsbuf_prev_cnt
= 0;
1087 spin_unlock_irq(&phba
->hbalock
);
1089 while (!list_empty(&completions
)) {
1090 list_remove_head(&completions
, buf_ptr
,
1091 struct lpfc_dmabuf
, list
);
1092 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
1096 phba
->elsbuf_prev_cnt
= phba
->elsbuf_cnt
;
1098 /* If there is no heart beat outstanding, issue a heartbeat command */
1099 if (phba
->cfg_enable_hba_heartbeat
) {
1100 if (!phba
->hb_outstanding
) {
1101 if ((!(psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
)) &&
1102 (list_empty(&psli
->mboxq
))) {
1103 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,
1106 mod_timer(&phba
->hb_tmofunc
,
1108 HZ
* LPFC_HB_MBOX_INTERVAL
);
1112 lpfc_heart_beat(phba
, pmboxq
);
1113 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
1114 pmboxq
->vport
= phba
->pport
;
1115 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
,
1118 if (retval
!= MBX_BUSY
&&
1119 retval
!= MBX_SUCCESS
) {
1120 mempool_free(pmboxq
,
1121 phba
->mbox_mem_pool
);
1122 mod_timer(&phba
->hb_tmofunc
,
1124 HZ
* LPFC_HB_MBOX_INTERVAL
);
1127 phba
->skipped_hb
= 0;
1128 phba
->hb_outstanding
= 1;
1129 } else if (time_before_eq(phba
->last_completion_time
,
1130 phba
->skipped_hb
)) {
1131 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1132 "2857 Last completion time not "
1133 " updated in %d ms\n",
1134 jiffies_to_msecs(jiffies
1135 - phba
->last_completion_time
));
1137 phba
->skipped_hb
= jiffies
;
1139 mod_timer(&phba
->hb_tmofunc
,
1140 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
1144 * If heart beat timeout called with hb_outstanding set
1145 * we need to give the hb mailbox cmd a chance to
1148 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1149 "0459 Adapter heartbeat still out"
1150 "standing:last compl time was %d ms.\n",
1151 jiffies_to_msecs(jiffies
1152 - phba
->last_completion_time
));
1153 mod_timer(&phba
->hb_tmofunc
,
1154 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
1160 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
1161 * @phba: pointer to lpfc hba data structure.
1163 * This routine is called to bring the HBA offline when HBA hardware error
1164 * other than Port Error 6 has been detected.
1167 lpfc_offline_eratt(struct lpfc_hba
*phba
)
1169 struct lpfc_sli
*psli
= &phba
->sli
;
1171 spin_lock_irq(&phba
->hbalock
);
1172 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1173 spin_unlock_irq(&phba
->hbalock
);
1174 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1177 lpfc_reset_barrier(phba
);
1178 spin_lock_irq(&phba
->hbalock
);
1179 lpfc_sli_brdreset(phba
);
1180 spin_unlock_irq(&phba
->hbalock
);
1181 lpfc_hba_down_post(phba
);
1182 lpfc_sli_brdready(phba
, HS_MBRDY
);
1183 lpfc_unblock_mgmt_io(phba
);
1184 phba
->link_state
= LPFC_HBA_ERROR
;
1189 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1190 * @phba: pointer to lpfc hba data structure.
1192 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1193 * other than Port Error 6 has been detected.
1196 lpfc_sli4_offline_eratt(struct lpfc_hba
*phba
)
1198 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1200 lpfc_sli4_brdreset(phba
);
1201 lpfc_hba_down_post(phba
);
1202 lpfc_sli4_post_status_check(phba
);
1203 lpfc_unblock_mgmt_io(phba
);
1204 phba
->link_state
= LPFC_HBA_ERROR
;
1208 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1209 * @phba: pointer to lpfc hba data structure.
1211 * This routine is invoked to handle the deferred HBA hardware error
1212 * conditions. This type of error is indicated by HBA by setting ER1
1213 * and another ER bit in the host status register. The driver will
1214 * wait until the ER1 bit clears before handling the error condition.
1217 lpfc_handle_deferred_eratt(struct lpfc_hba
*phba
)
1219 uint32_t old_host_status
= phba
->work_hs
;
1220 struct lpfc_sli_ring
*pring
;
1221 struct lpfc_sli
*psli
= &phba
->sli
;
1223 /* If the pci channel is offline, ignore possible errors,
1224 * since we cannot communicate with the pci card anyway.
1226 if (pci_channel_offline(phba
->pcidev
)) {
1227 spin_lock_irq(&phba
->hbalock
);
1228 phba
->hba_flag
&= ~DEFER_ERATT
;
1229 spin_unlock_irq(&phba
->hbalock
);
1233 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1234 "0479 Deferred Adapter Hardware Error "
1235 "Data: x%x x%x x%x\n",
1237 phba
->work_status
[0], phba
->work_status
[1]);
1239 spin_lock_irq(&phba
->hbalock
);
1240 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1241 spin_unlock_irq(&phba
->hbalock
);
1245 * Firmware stops when it triggred erratt. That could cause the I/Os
1246 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1247 * SCSI layer retry it after re-establishing link.
1249 pring
= &psli
->ring
[psli
->fcp_ring
];
1250 lpfc_sli_abort_iocb_ring(phba
, pring
);
1253 * There was a firmware error. Take the hba offline and then
1254 * attempt to restart it.
1256 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
1259 /* Wait for the ER1 bit to clear.*/
1260 while (phba
->work_hs
& HS_FFER1
) {
1262 if (lpfc_readl(phba
->HSregaddr
, &phba
->work_hs
)) {
1263 phba
->work_hs
= UNPLUG_ERR
;
1266 /* If driver is unloading let the worker thread continue */
1267 if (phba
->pport
->load_flag
& FC_UNLOADING
) {
1274 * This is to ptrotect against a race condition in which
1275 * first write to the host attention register clear the
1276 * host status register.
1278 if ((!phba
->work_hs
) && (!(phba
->pport
->load_flag
& FC_UNLOADING
)))
1279 phba
->work_hs
= old_host_status
& ~HS_FFER1
;
1281 spin_lock_irq(&phba
->hbalock
);
1282 phba
->hba_flag
&= ~DEFER_ERATT
;
1283 spin_unlock_irq(&phba
->hbalock
);
1284 phba
->work_status
[0] = readl(phba
->MBslimaddr
+ 0xa8);
1285 phba
->work_status
[1] = readl(phba
->MBslimaddr
+ 0xac);
1289 lpfc_board_errevt_to_mgmt(struct lpfc_hba
*phba
)
1291 struct lpfc_board_event_header board_event
;
1292 struct Scsi_Host
*shost
;
1294 board_event
.event_type
= FC_REG_BOARD_EVENT
;
1295 board_event
.subcategory
= LPFC_EVENT_PORTINTERR
;
1296 shost
= lpfc_shost_from_vport(phba
->pport
);
1297 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1298 sizeof(board_event
),
1299 (char *) &board_event
,
1304 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
1305 * @phba: pointer to lpfc hba data structure.
1307 * This routine is invoked to handle the following HBA hardware error
1309 * 1 - HBA error attention interrupt
1310 * 2 - DMA ring index out of range
1311 * 3 - Mailbox command came back as unknown
1314 lpfc_handle_eratt_s3(struct lpfc_hba
*phba
)
1316 struct lpfc_vport
*vport
= phba
->pport
;
1317 struct lpfc_sli
*psli
= &phba
->sli
;
1318 struct lpfc_sli_ring
*pring
;
1319 uint32_t event_data
;
1320 unsigned long temperature
;
1321 struct temp_event temp_event_data
;
1322 struct Scsi_Host
*shost
;
1324 /* If the pci channel is offline, ignore possible errors,
1325 * since we cannot communicate with the pci card anyway.
1327 if (pci_channel_offline(phba
->pcidev
)) {
1328 spin_lock_irq(&phba
->hbalock
);
1329 phba
->hba_flag
&= ~DEFER_ERATT
;
1330 spin_unlock_irq(&phba
->hbalock
);
1334 /* If resets are disabled then leave the HBA alone and return */
1335 if (!phba
->cfg_enable_hba_reset
)
1338 /* Send an internal error event to mgmt application */
1339 lpfc_board_errevt_to_mgmt(phba
);
1341 if (phba
->hba_flag
& DEFER_ERATT
)
1342 lpfc_handle_deferred_eratt(phba
);
1344 if ((phba
->work_hs
& HS_FFER6
) || (phba
->work_hs
& HS_FFER8
)) {
1345 if (phba
->work_hs
& HS_FFER6
)
1346 /* Re-establishing Link */
1347 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1348 "1301 Re-establishing Link "
1349 "Data: x%x x%x x%x\n",
1350 phba
->work_hs
, phba
->work_status
[0],
1351 phba
->work_status
[1]);
1352 if (phba
->work_hs
& HS_FFER8
)
1353 /* Device Zeroization */
1354 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1355 "2861 Host Authentication device "
1356 "zeroization Data:x%x x%x x%x\n",
1357 phba
->work_hs
, phba
->work_status
[0],
1358 phba
->work_status
[1]);
1360 spin_lock_irq(&phba
->hbalock
);
1361 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1362 spin_unlock_irq(&phba
->hbalock
);
1365 * Firmware stops when it triggled erratt with HS_FFER6.
1366 * That could cause the I/Os dropped by the firmware.
1367 * Error iocb (I/O) on txcmplq and let the SCSI layer
1368 * retry it after re-establishing link.
1370 pring
= &psli
->ring
[psli
->fcp_ring
];
1371 lpfc_sli_abort_iocb_ring(phba
, pring
);
1374 * There was a firmware error. Take the hba offline and then
1375 * attempt to restart it.
1377 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1379 lpfc_sli_brdrestart(phba
);
1380 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
1381 lpfc_unblock_mgmt_io(phba
);
1384 lpfc_unblock_mgmt_io(phba
);
1385 } else if (phba
->work_hs
& HS_CRIT_TEMP
) {
1386 temperature
= readl(phba
->MBslimaddr
+ TEMPERATURE_OFFSET
);
1387 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1388 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1389 temp_event_data
.data
= (uint32_t)temperature
;
1391 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1392 "0406 Adapter maximum temperature exceeded "
1393 "(%ld), taking this port offline "
1394 "Data: x%x x%x x%x\n",
1395 temperature
, phba
->work_hs
,
1396 phba
->work_status
[0], phba
->work_status
[1]);
1398 shost
= lpfc_shost_from_vport(phba
->pport
);
1399 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1400 sizeof(temp_event_data
),
1401 (char *) &temp_event_data
,
1402 SCSI_NL_VID_TYPE_PCI
1403 | PCI_VENDOR_ID_EMULEX
);
1405 spin_lock_irq(&phba
->hbalock
);
1406 phba
->over_temp_state
= HBA_OVER_TEMP
;
1407 spin_unlock_irq(&phba
->hbalock
);
1408 lpfc_offline_eratt(phba
);
1411 /* The if clause above forces this code path when the status
1412 * failure is a value other than FFER6. Do not call the offline
1413 * twice. This is the adapter hardware error path.
1415 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1416 "0457 Adapter Hardware Error "
1417 "Data: x%x x%x x%x\n",
1419 phba
->work_status
[0], phba
->work_status
[1]);
1421 event_data
= FC_REG_DUMP_EVENT
;
1422 shost
= lpfc_shost_from_vport(vport
);
1423 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1424 sizeof(event_data
), (char *) &event_data
,
1425 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1427 lpfc_offline_eratt(phba
);
1433 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
1434 * @phba: pointer to lpfc hba data structure.
1435 * @mbx_action: flag for mailbox shutdown action.
1437 * This routine is invoked to perform an SLI4 port PCI function reset in
1438 * response to port status register polling attention. It waits for port
1439 * status register (ERR, RDY, RN) bits before proceeding with function reset.
1440 * During this process, interrupt vectors are freed and later requested
1441 * for handling possible port resource change.
1444 lpfc_sli4_port_sta_fn_reset(struct lpfc_hba
*phba
, int mbx_action
)
1450 * On error status condition, driver need to wait for port
1451 * ready before performing reset.
1453 rc
= lpfc_sli4_pdev_status_reg_wait(phba
);
1455 /* need reset: attempt for port recovery */
1456 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1457 "2887 Reset Needed: Attempting Port "
1459 lpfc_offline_prep(phba
, mbx_action
);
1461 /* release interrupt for possible resource change */
1462 lpfc_sli4_disable_intr(phba
);
1463 lpfc_sli_brdrestart(phba
);
1464 /* request and enable interrupt */
1465 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
1466 if (intr_mode
== LPFC_INTR_ERROR
) {
1467 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1468 "3175 Failed to enable interrupt\n");
1471 phba
->intr_mode
= intr_mode
;
1473 rc
= lpfc_online(phba
);
1475 lpfc_unblock_mgmt_io(phba
);
1481 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1482 * @phba: pointer to lpfc hba data structure.
1484 * This routine is invoked to handle the SLI4 HBA hardware error attention
1488 lpfc_handle_eratt_s4(struct lpfc_hba
*phba
)
1490 struct lpfc_vport
*vport
= phba
->pport
;
1491 uint32_t event_data
;
1492 struct Scsi_Host
*shost
;
1494 struct lpfc_register portstat_reg
= {0};
1495 uint32_t reg_err1
, reg_err2
;
1496 uint32_t uerrlo_reg
, uemasklo_reg
;
1497 uint32_t pci_rd_rc1
, pci_rd_rc2
;
1500 /* If the pci channel is offline, ignore possible errors, since
1501 * we cannot communicate with the pci card anyway.
1503 if (pci_channel_offline(phba
->pcidev
))
1505 /* If resets are disabled then leave the HBA alone and return */
1506 if (!phba
->cfg_enable_hba_reset
)
1509 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
1511 case LPFC_SLI_INTF_IF_TYPE_0
:
1512 pci_rd_rc1
= lpfc_readl(
1513 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
,
1515 pci_rd_rc2
= lpfc_readl(
1516 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
,
1518 /* consider PCI bus read error as pci_channel_offline */
1519 if (pci_rd_rc1
== -EIO
&& pci_rd_rc2
== -EIO
)
1521 lpfc_sli4_offline_eratt(phba
);
1523 case LPFC_SLI_INTF_IF_TYPE_2
:
1524 pci_rd_rc1
= lpfc_readl(
1525 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
1526 &portstat_reg
.word0
);
1527 /* consider PCI bus read error as pci_channel_offline */
1528 if (pci_rd_rc1
== -EIO
) {
1529 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1530 "3151 PCI bus read access failure: x%x\n",
1531 readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
));
1534 reg_err1
= readl(phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
1535 reg_err2
= readl(phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
1536 if (bf_get(lpfc_sliport_status_oti
, &portstat_reg
)) {
1537 /* TODO: Register for Overtemp async events. */
1538 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1539 "2889 Port Overtemperature event, "
1540 "taking port offline\n");
1541 spin_lock_irq(&phba
->hbalock
);
1542 phba
->over_temp_state
= HBA_OVER_TEMP
;
1543 spin_unlock_irq(&phba
->hbalock
);
1544 lpfc_sli4_offline_eratt(phba
);
1547 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1548 reg_err2
== SLIPORT_ERR2_REG_FW_RESTART
)
1549 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1550 "3143 Port Down: Firmware Restarted\n");
1551 else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1552 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1553 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1554 "3144 Port Down: Debug Dump\n");
1555 else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1556 reg_err2
== SLIPORT_ERR2_REG_FUNC_PROVISON
)
1557 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1558 "3145 Port Down: Provisioning\n");
1560 /* Check port status register for function reset */
1561 rc
= lpfc_sli4_port_sta_fn_reset(phba
, LPFC_MBX_NO_WAIT
);
1563 /* don't report event on forced debug dump */
1564 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1565 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1570 /* fall through for not able to recover */
1571 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1572 "3152 Unrecoverable error, bring the port "
1574 lpfc_sli4_offline_eratt(phba
);
1576 case LPFC_SLI_INTF_IF_TYPE_1
:
1580 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1581 "3123 Report dump event to upper layer\n");
1582 /* Send an internal error event to mgmt application */
1583 lpfc_board_errevt_to_mgmt(phba
);
1585 event_data
= FC_REG_DUMP_EVENT
;
1586 shost
= lpfc_shost_from_vport(vport
);
1587 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1588 sizeof(event_data
), (char *) &event_data
,
1589 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1593 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1594 * @phba: pointer to lpfc HBA data structure.
1596 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1597 * routine from the API jump table function pointer from the lpfc_hba struct.
1601 * Any other value - error.
1604 lpfc_handle_eratt(struct lpfc_hba
*phba
)
1606 (*phba
->lpfc_handle_eratt
)(phba
);
1610 * lpfc_handle_latt - The HBA link event handler
1611 * @phba: pointer to lpfc hba data structure.
1613 * This routine is invoked from the worker thread to handle a HBA host
1614 * attention link event.
1617 lpfc_handle_latt(struct lpfc_hba
*phba
)
1619 struct lpfc_vport
*vport
= phba
->pport
;
1620 struct lpfc_sli
*psli
= &phba
->sli
;
1622 volatile uint32_t control
;
1623 struct lpfc_dmabuf
*mp
;
1626 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1629 goto lpfc_handle_latt_err_exit
;
1632 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
1635 goto lpfc_handle_latt_free_pmb
;
1638 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
1641 goto lpfc_handle_latt_free_mp
;
1644 /* Cleanup any outstanding ELS commands */
1645 lpfc_els_flush_all_cmd(phba
);
1647 psli
->slistat
.link_event
++;
1648 lpfc_read_topology(phba
, pmb
, mp
);
1649 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
1651 /* Block ELS IOCBs until we have processed this mbox command */
1652 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
1653 rc
= lpfc_sli_issue_mbox (phba
, pmb
, MBX_NOWAIT
);
1654 if (rc
== MBX_NOT_FINISHED
) {
1656 goto lpfc_handle_latt_free_mbuf
;
1659 /* Clear Link Attention in HA REG */
1660 spin_lock_irq(&phba
->hbalock
);
1661 writel(HA_LATT
, phba
->HAregaddr
);
1662 readl(phba
->HAregaddr
); /* flush */
1663 spin_unlock_irq(&phba
->hbalock
);
1667 lpfc_handle_latt_free_mbuf
:
1668 phba
->sli
.ring
[LPFC_ELS_RING
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
1669 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1670 lpfc_handle_latt_free_mp
:
1672 lpfc_handle_latt_free_pmb
:
1673 mempool_free(pmb
, phba
->mbox_mem_pool
);
1674 lpfc_handle_latt_err_exit
:
1675 /* Enable Link attention interrupts */
1676 spin_lock_irq(&phba
->hbalock
);
1677 psli
->sli_flag
|= LPFC_PROCESS_LA
;
1678 control
= readl(phba
->HCregaddr
);
1679 control
|= HC_LAINT_ENA
;
1680 writel(control
, phba
->HCregaddr
);
1681 readl(phba
->HCregaddr
); /* flush */
1683 /* Clear Link Attention in HA REG */
1684 writel(HA_LATT
, phba
->HAregaddr
);
1685 readl(phba
->HAregaddr
); /* flush */
1686 spin_unlock_irq(&phba
->hbalock
);
1687 lpfc_linkdown(phba
);
1688 phba
->link_state
= LPFC_HBA_ERROR
;
1690 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1691 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc
);
1697 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
1698 * @phba: pointer to lpfc hba data structure.
1699 * @vpd: pointer to the vital product data.
1700 * @len: length of the vital product data in bytes.
1702 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1703 * an array of characters. In this routine, the ModelName, ProgramType, and
1704 * ModelDesc, etc. fields of the phba data structure will be populated.
1707 * 0 - pointer to the VPD passed in is NULL
1711 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
1713 uint8_t lenlo
, lenhi
;
1723 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1724 "0455 Vital Product Data: x%x x%x x%x x%x\n",
1725 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
1727 while (!finished
&& (index
< (len
- 4))) {
1728 switch (vpd
[index
]) {
1736 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1745 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1746 if (Length
> len
- index
)
1747 Length
= len
- index
;
1748 while (Length
> 0) {
1749 /* Look for Serial Number */
1750 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
1757 phba
->SerialNumber
[j
++] = vpd
[index
++];
1761 phba
->SerialNumber
[j
] = 0;
1764 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
1765 phba
->vpd_flag
|= VPD_MODEL_DESC
;
1772 phba
->ModelDesc
[j
++] = vpd
[index
++];
1776 phba
->ModelDesc
[j
] = 0;
1779 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
1780 phba
->vpd_flag
|= VPD_MODEL_NAME
;
1787 phba
->ModelName
[j
++] = vpd
[index
++];
1791 phba
->ModelName
[j
] = 0;
1794 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
1795 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
1802 phba
->ProgramType
[j
++] = vpd
[index
++];
1806 phba
->ProgramType
[j
] = 0;
1809 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
1810 phba
->vpd_flag
|= VPD_PORT
;
1817 if ((phba
->sli_rev
== LPFC_SLI_REV4
) &&
1818 (phba
->sli4_hba
.pport_name_sta
==
1819 LPFC_SLI4_PPNAME_GET
)) {
1823 phba
->Port
[j
++] = vpd
[index
++];
1827 if ((phba
->sli_rev
!= LPFC_SLI_REV4
) ||
1828 (phba
->sli4_hba
.pport_name_sta
==
1829 LPFC_SLI4_PPNAME_NON
))
1856 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
1857 * @phba: pointer to lpfc hba data structure.
1858 * @mdp: pointer to the data structure to hold the derived model name.
1859 * @descp: pointer to the data structure to hold the derived description.
1861 * This routine retrieves HBA's description based on its registered PCI device
1862 * ID. The @descp passed into this function points to an array of 256 chars. It
1863 * shall be returned with the model name, maximum speed, and the host bus type.
1864 * The @mdp passed into this function points to an array of 80 chars. When the
1865 * function returns, the @mdp will be filled with the model name.
1868 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
1871 uint16_t dev_id
= phba
->pcidev
->device
;
1874 int oneConnect
= 0; /* default is not a oneConnect */
1879 } m
= {"<Unknown>", "", ""};
1881 if (mdp
&& mdp
[0] != '\0'
1882 && descp
&& descp
[0] != '\0')
1885 if (phba
->lmt
& LMT_16Gb
)
1887 else if (phba
->lmt
& LMT_10Gb
)
1889 else if (phba
->lmt
& LMT_8Gb
)
1891 else if (phba
->lmt
& LMT_4Gb
)
1893 else if (phba
->lmt
& LMT_2Gb
)
1901 case PCI_DEVICE_ID_FIREFLY
:
1902 m
= (typeof(m
)){"LP6000", "PCI", "Fibre Channel Adapter"};
1904 case PCI_DEVICE_ID_SUPERFLY
:
1905 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
1906 m
= (typeof(m
)){"LP7000", "PCI",
1907 "Fibre Channel Adapter"};
1909 m
= (typeof(m
)){"LP7000E", "PCI",
1910 "Fibre Channel Adapter"};
1912 case PCI_DEVICE_ID_DRAGONFLY
:
1913 m
= (typeof(m
)){"LP8000", "PCI",
1914 "Fibre Channel Adapter"};
1916 case PCI_DEVICE_ID_CENTAUR
:
1917 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
1918 m
= (typeof(m
)){"LP9002", "PCI",
1919 "Fibre Channel Adapter"};
1921 m
= (typeof(m
)){"LP9000", "PCI",
1922 "Fibre Channel Adapter"};
1924 case PCI_DEVICE_ID_RFLY
:
1925 m
= (typeof(m
)){"LP952", "PCI",
1926 "Fibre Channel Adapter"};
1928 case PCI_DEVICE_ID_PEGASUS
:
1929 m
= (typeof(m
)){"LP9802", "PCI-X",
1930 "Fibre Channel Adapter"};
1932 case PCI_DEVICE_ID_THOR
:
1933 m
= (typeof(m
)){"LP10000", "PCI-X",
1934 "Fibre Channel Adapter"};
1936 case PCI_DEVICE_ID_VIPER
:
1937 m
= (typeof(m
)){"LPX1000", "PCI-X",
1938 "Fibre Channel Adapter"};
1940 case PCI_DEVICE_ID_PFLY
:
1941 m
= (typeof(m
)){"LP982", "PCI-X",
1942 "Fibre Channel Adapter"};
1944 case PCI_DEVICE_ID_TFLY
:
1945 m
= (typeof(m
)){"LP1050", "PCI-X",
1946 "Fibre Channel Adapter"};
1948 case PCI_DEVICE_ID_HELIOS
:
1949 m
= (typeof(m
)){"LP11000", "PCI-X2",
1950 "Fibre Channel Adapter"};
1952 case PCI_DEVICE_ID_HELIOS_SCSP
:
1953 m
= (typeof(m
)){"LP11000-SP", "PCI-X2",
1954 "Fibre Channel Adapter"};
1956 case PCI_DEVICE_ID_HELIOS_DCSP
:
1957 m
= (typeof(m
)){"LP11002-SP", "PCI-X2",
1958 "Fibre Channel Adapter"};
1960 case PCI_DEVICE_ID_NEPTUNE
:
1961 m
= (typeof(m
)){"LPe1000", "PCIe", "Fibre Channel Adapter"};
1963 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
1964 m
= (typeof(m
)){"LPe1000-SP", "PCIe", "Fibre Channel Adapter"};
1966 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
1967 m
= (typeof(m
)){"LPe1002-SP", "PCIe", "Fibre Channel Adapter"};
1969 case PCI_DEVICE_ID_BMID
:
1970 m
= (typeof(m
)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
1972 case PCI_DEVICE_ID_BSMB
:
1973 m
= (typeof(m
)){"LP111", "PCI-X2", "Fibre Channel Adapter"};
1975 case PCI_DEVICE_ID_ZEPHYR
:
1976 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
1978 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
1979 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
1981 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
1982 m
= (typeof(m
)){"LP2105", "PCIe", "FCoE Adapter"};
1985 case PCI_DEVICE_ID_ZMID
:
1986 m
= (typeof(m
)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
1988 case PCI_DEVICE_ID_ZSMB
:
1989 m
= (typeof(m
)){"LPe111", "PCIe", "Fibre Channel Adapter"};
1991 case PCI_DEVICE_ID_LP101
:
1992 m
= (typeof(m
)){"LP101", "PCI-X", "Fibre Channel Adapter"};
1994 case PCI_DEVICE_ID_LP10000S
:
1995 m
= (typeof(m
)){"LP10000-S", "PCI", "Fibre Channel Adapter"};
1997 case PCI_DEVICE_ID_LP11000S
:
1998 m
= (typeof(m
)){"LP11000-S", "PCI-X2", "Fibre Channel Adapter"};
2000 case PCI_DEVICE_ID_LPE11000S
:
2001 m
= (typeof(m
)){"LPe11000-S", "PCIe", "Fibre Channel Adapter"};
2003 case PCI_DEVICE_ID_SAT
:
2004 m
= (typeof(m
)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
2006 case PCI_DEVICE_ID_SAT_MID
:
2007 m
= (typeof(m
)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
2009 case PCI_DEVICE_ID_SAT_SMB
:
2010 m
= (typeof(m
)){"LPe121", "PCIe", "Fibre Channel Adapter"};
2012 case PCI_DEVICE_ID_SAT_DCSP
:
2013 m
= (typeof(m
)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
2015 case PCI_DEVICE_ID_SAT_SCSP
:
2016 m
= (typeof(m
)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
2018 case PCI_DEVICE_ID_SAT_S
:
2019 m
= (typeof(m
)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
2021 case PCI_DEVICE_ID_HORNET
:
2022 m
= (typeof(m
)){"LP21000", "PCIe", "FCoE Adapter"};
2025 case PCI_DEVICE_ID_PROTEUS_VF
:
2026 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2027 "Fibre Channel Adapter"};
2029 case PCI_DEVICE_ID_PROTEUS_PF
:
2030 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2031 "Fibre Channel Adapter"};
2033 case PCI_DEVICE_ID_PROTEUS_S
:
2034 m
= (typeof(m
)){"LPemv12002-S", "PCIe IOV",
2035 "Fibre Channel Adapter"};
2037 case PCI_DEVICE_ID_TIGERSHARK
:
2039 m
= (typeof(m
)){"OCe10100", "PCIe", "FCoE"};
2041 case PCI_DEVICE_ID_TOMCAT
:
2043 m
= (typeof(m
)){"OCe11100", "PCIe", "FCoE"};
2045 case PCI_DEVICE_ID_FALCON
:
2046 m
= (typeof(m
)){"LPSe12002-ML1-E", "PCIe",
2047 "EmulexSecure Fibre"};
2049 case PCI_DEVICE_ID_BALIUS
:
2050 m
= (typeof(m
)){"LPVe12002", "PCIe Shared I/O",
2051 "Fibre Channel Adapter"};
2053 case PCI_DEVICE_ID_LANCER_FC
:
2054 case PCI_DEVICE_ID_LANCER_FC_VF
:
2055 m
= (typeof(m
)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
2057 case PCI_DEVICE_ID_LANCER_FCOE
:
2058 case PCI_DEVICE_ID_LANCER_FCOE_VF
:
2060 m
= (typeof(m
)){"OCe15100", "PCIe", "FCoE"};
2063 m
= (typeof(m
)){"Unknown", "", ""};
2067 if (mdp
&& mdp
[0] == '\0')
2068 snprintf(mdp
, 79,"%s", m
.name
);
2070 * oneConnect hba requires special processing, they are all initiators
2071 * and we put the port number on the end
2073 if (descp
&& descp
[0] == '\0') {
2075 snprintf(descp
, 255,
2076 "Emulex OneConnect %s, %s Initiator, Port %s",
2080 snprintf(descp
, 255,
2081 "Emulex %s %d%s %s %s",
2082 m
.name
, max_speed
, (GE
) ? "GE" : "Gb",
2088 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
2089 * @phba: pointer to lpfc hba data structure.
2090 * @pring: pointer to a IOCB ring.
2091 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2093 * This routine posts a given number of IOCBs with the associated DMA buffer
2094 * descriptors specified by the cnt argument to the given IOCB ring.
2097 * The number of IOCBs NOT able to be posted to the IOCB ring.
2100 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
)
2103 struct lpfc_iocbq
*iocb
;
2104 struct lpfc_dmabuf
*mp1
, *mp2
;
2106 cnt
+= pring
->missbufcnt
;
2108 /* While there are buffers to post */
2110 /* Allocate buffer for command iocb */
2111 iocb
= lpfc_sli_get_iocbq(phba
);
2113 pring
->missbufcnt
= cnt
;
2118 /* 2 buffers can be posted per command */
2119 /* Allocate buffer to post */
2120 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2122 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
2123 if (!mp1
|| !mp1
->virt
) {
2125 lpfc_sli_release_iocbq(phba
, iocb
);
2126 pring
->missbufcnt
= cnt
;
2130 INIT_LIST_HEAD(&mp1
->list
);
2131 /* Allocate buffer to post */
2133 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2135 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
2137 if (!mp2
|| !mp2
->virt
) {
2139 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2141 lpfc_sli_release_iocbq(phba
, iocb
);
2142 pring
->missbufcnt
= cnt
;
2146 INIT_LIST_HEAD(&mp2
->list
);
2151 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
2152 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
2153 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
2154 icmd
->ulpBdeCount
= 1;
2157 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
2158 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
2159 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
2161 icmd
->ulpBdeCount
= 2;
2164 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
2167 if (lpfc_sli_issue_iocb(phba
, pring
->ringno
, iocb
, 0) ==
2169 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2173 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
2177 lpfc_sli_release_iocbq(phba
, iocb
);
2178 pring
->missbufcnt
= cnt
;
2181 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
2183 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
2185 pring
->missbufcnt
= 0;
2190 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
2191 * @phba: pointer to lpfc hba data structure.
2193 * This routine posts initial receive IOCB buffers to the ELS ring. The
2194 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2198 * 0 - success (currently always success)
2201 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
2203 struct lpfc_sli
*psli
= &phba
->sli
;
2205 /* Ring 0, ELS / CT buffers */
2206 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
);
2207 /* Ring 2 - FCP no buffers needed */
2212 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2215 * lpfc_sha_init - Set up initial array of hash table entries
2216 * @HashResultPointer: pointer to an array as hash table.
2218 * This routine sets up the initial values to the array of hash table entries
2222 lpfc_sha_init(uint32_t * HashResultPointer
)
2224 HashResultPointer
[0] = 0x67452301;
2225 HashResultPointer
[1] = 0xEFCDAB89;
2226 HashResultPointer
[2] = 0x98BADCFE;
2227 HashResultPointer
[3] = 0x10325476;
2228 HashResultPointer
[4] = 0xC3D2E1F0;
2232 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
2233 * @HashResultPointer: pointer to an initial/result hash table.
2234 * @HashWorkingPointer: pointer to an working hash table.
2236 * This routine iterates an initial hash table pointed by @HashResultPointer
2237 * with the values from the working hash table pointeed by @HashWorkingPointer.
2238 * The results are putting back to the initial hash table, returned through
2239 * the @HashResultPointer as the result hash table.
2242 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
2246 uint32_t A
, B
, C
, D
, E
;
2249 HashWorkingPointer
[t
] =
2251 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
2253 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
2254 } while (++t
<= 79);
2256 A
= HashResultPointer
[0];
2257 B
= HashResultPointer
[1];
2258 C
= HashResultPointer
[2];
2259 D
= HashResultPointer
[3];
2260 E
= HashResultPointer
[4];
2264 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
2265 } else if (t
< 40) {
2266 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
2267 } else if (t
< 60) {
2268 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
2270 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
2272 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
2278 } while (++t
<= 79);
2280 HashResultPointer
[0] += A
;
2281 HashResultPointer
[1] += B
;
2282 HashResultPointer
[2] += C
;
2283 HashResultPointer
[3] += D
;
2284 HashResultPointer
[4] += E
;
2289 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
2290 * @RandomChallenge: pointer to the entry of host challenge random number array.
2291 * @HashWorking: pointer to the entry of the working hash array.
2293 * This routine calculates the working hash array referred by @HashWorking
2294 * from the challenge random numbers associated with the host, referred by
2295 * @RandomChallenge. The result is put into the entry of the working hash
2296 * array and returned by reference through @HashWorking.
2299 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
2301 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
2305 * lpfc_hba_init - Perform special handling for LC HBA initialization
2306 * @phba: pointer to lpfc hba data structure.
2307 * @hbainit: pointer to an array of unsigned 32-bit integers.
2309 * This routine performs the special handling for LC HBA initialization.
2312 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
2315 uint32_t *HashWorking
;
2316 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
2318 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
2322 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
2323 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
2325 for (t
= 0; t
< 7; t
++)
2326 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
2328 lpfc_sha_init(hbainit
);
2329 lpfc_sha_iterate(hbainit
, HashWorking
);
2334 * lpfc_cleanup - Performs vport cleanups before deleting a vport
2335 * @vport: pointer to a virtual N_Port data structure.
2337 * This routine performs the necessary cleanups before deleting the @vport.
2338 * It invokes the discovery state machine to perform necessary state
2339 * transitions and to release the ndlps associated with the @vport. Note,
2340 * the physical port is treated as @vport 0.
2343 lpfc_cleanup(struct lpfc_vport
*vport
)
2345 struct lpfc_hba
*phba
= vport
->phba
;
2346 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2349 if (phba
->link_state
> LPFC_LINK_DOWN
)
2350 lpfc_port_link_failure(vport
);
2352 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
2353 if (!NLP_CHK_NODE_ACT(ndlp
)) {
2354 ndlp
= lpfc_enable_node(vport
, ndlp
,
2355 NLP_STE_UNUSED_NODE
);
2358 spin_lock_irq(&phba
->ndlp_lock
);
2359 NLP_SET_FREE_REQ(ndlp
);
2360 spin_unlock_irq(&phba
->ndlp_lock
);
2361 /* Trigger the release of the ndlp memory */
2365 spin_lock_irq(&phba
->ndlp_lock
);
2366 if (NLP_CHK_FREE_REQ(ndlp
)) {
2367 /* The ndlp should not be in memory free mode already */
2368 spin_unlock_irq(&phba
->ndlp_lock
);
2371 /* Indicate request for freeing ndlp memory */
2372 NLP_SET_FREE_REQ(ndlp
);
2373 spin_unlock_irq(&phba
->ndlp_lock
);
2375 if (vport
->port_type
!= LPFC_PHYSICAL_PORT
&&
2376 ndlp
->nlp_DID
== Fabric_DID
) {
2377 /* Just free up ndlp with Fabric_DID for vports */
2382 /* take care of nodes in unused state before the state
2383 * machine taking action.
2385 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
) {
2390 if (ndlp
->nlp_type
& NLP_FABRIC
)
2391 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2392 NLP_EVT_DEVICE_RECOVERY
);
2394 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2398 /* At this point, ALL ndlp's should be gone
2399 * because of the previous NLP_EVT_DEVICE_RM.
2400 * Lets wait for this to happen, if needed.
2402 while (!list_empty(&vport
->fc_nodes
)) {
2404 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
2405 "0233 Nodelist not empty\n");
2406 list_for_each_entry_safe(ndlp
, next_ndlp
,
2407 &vport
->fc_nodes
, nlp_listp
) {
2408 lpfc_printf_vlog(ndlp
->vport
, KERN_ERR
,
2410 "0282 did:x%x ndlp:x%p "
2411 "usgmap:x%x refcnt:%d\n",
2412 ndlp
->nlp_DID
, (void *)ndlp
,
2415 &ndlp
->kref
.refcount
));
2420 /* Wait for any activity on ndlps to settle */
2423 lpfc_cleanup_vports_rrqs(vport
, NULL
);
2427 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2428 * @vport: pointer to a virtual N_Port data structure.
2430 * This routine stops all the timers associated with a @vport. This function
2431 * is invoked before disabling or deleting a @vport. Note that the physical
2432 * port is treated as @vport 0.
2435 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
2437 del_timer_sync(&vport
->els_tmofunc
);
2438 del_timer_sync(&vport
->fc_fdmitmo
);
2439 del_timer_sync(&vport
->delayed_disc_tmo
);
2440 lpfc_can_disctmo(vport
);
2445 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2446 * @phba: pointer to lpfc hba data structure.
2448 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2449 * caller of this routine should already hold the host lock.
2452 __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2454 /* Clear pending FCF rediscovery wait flag */
2455 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
2457 /* Now, try to stop the timer */
2458 del_timer(&phba
->fcf
.redisc_wait
);
2462 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2463 * @phba: pointer to lpfc hba data structure.
2465 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2466 * checks whether the FCF rediscovery wait timer is pending with the host
2467 * lock held before proceeding with disabling the timer and clearing the
2468 * wait timer pendig flag.
2471 lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2473 spin_lock_irq(&phba
->hbalock
);
2474 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
2475 /* FCF rediscovery timer already fired or stopped */
2476 spin_unlock_irq(&phba
->hbalock
);
2479 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2480 /* Clear failover in progress flags */
2481 phba
->fcf
.fcf_flag
&= ~(FCF_DEAD_DISC
| FCF_ACVL_DISC
);
2482 spin_unlock_irq(&phba
->hbalock
);
2486 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2487 * @phba: pointer to lpfc hba data structure.
2489 * This routine stops all the timers associated with a HBA. This function is
2490 * invoked before either putting a HBA offline or unloading the driver.
2493 lpfc_stop_hba_timers(struct lpfc_hba
*phba
)
2495 lpfc_stop_vport_timers(phba
->pport
);
2496 del_timer_sync(&phba
->sli
.mbox_tmo
);
2497 del_timer_sync(&phba
->fabric_block_timer
);
2498 del_timer_sync(&phba
->eratt_poll
);
2499 del_timer_sync(&phba
->hb_tmofunc
);
2500 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2501 del_timer_sync(&phba
->rrq_tmr
);
2502 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
2504 phba
->hb_outstanding
= 0;
2506 switch (phba
->pci_dev_grp
) {
2507 case LPFC_PCI_DEV_LP
:
2508 /* Stop any LightPulse device specific driver timers */
2509 del_timer_sync(&phba
->fcp_poll_timer
);
2511 case LPFC_PCI_DEV_OC
:
2512 /* Stop any OneConnect device sepcific driver timers */
2513 lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2516 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2517 "0297 Invalid device group (x%x)\n",
2525 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2526 * @phba: pointer to lpfc hba data structure.
2528 * This routine marks a HBA's management interface as blocked. Once the HBA's
2529 * management interface is marked as blocked, all the user space access to
2530 * the HBA, whether they are from sysfs interface or libdfc interface will
2531 * all be blocked. The HBA is set to block the management interface when the
2532 * driver prepares the HBA interface for online or offline.
2535 lpfc_block_mgmt_io(struct lpfc_hba
*phba
, int mbx_action
)
2537 unsigned long iflag
;
2538 uint8_t actcmd
= MBX_HEARTBEAT
;
2539 unsigned long timeout
;
2541 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2542 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
2543 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2544 if (mbx_action
== LPFC_MBX_NO_WAIT
)
2546 timeout
= msecs_to_jiffies(LPFC_MBOX_TMO
* 1000) + jiffies
;
2547 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2548 if (phba
->sli
.mbox_active
) {
2549 actcmd
= phba
->sli
.mbox_active
->u
.mb
.mbxCommand
;
2550 /* Determine how long we might wait for the active mailbox
2551 * command to be gracefully completed by firmware.
2553 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
,
2554 phba
->sli
.mbox_active
) * 1000) + jiffies
;
2556 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2558 /* Wait for the outstnading mailbox command to complete */
2559 while (phba
->sli
.mbox_active
) {
2560 /* Check active mailbox complete status every 2ms */
2562 if (time_after(jiffies
, timeout
)) {
2563 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2564 "2813 Mgmt IO is Blocked %x "
2565 "- mbox cmd %x still active\n",
2566 phba
->sli
.sli_flag
, actcmd
);
2573 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
2574 * @phba: pointer to lpfc hba data structure.
2576 * Allocate RPIs for all active remote nodes. This is needed whenever
2577 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
2578 * is to fixup the temporary rpi assignments.
2581 lpfc_sli4_node_prep(struct lpfc_hba
*phba
)
2583 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2584 struct lpfc_vport
**vports
;
2587 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
2590 vports
= lpfc_create_vport_work_array(phba
);
2591 if (vports
!= NULL
) {
2592 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2593 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2596 list_for_each_entry_safe(ndlp
, next_ndlp
,
2597 &vports
[i
]->fc_nodes
,
2599 if (NLP_CHK_NODE_ACT(ndlp
))
2601 lpfc_sli4_alloc_rpi(phba
);
2605 lpfc_destroy_vport_work_array(phba
, vports
);
2609 * lpfc_online - Initialize and bring a HBA online
2610 * @phba: pointer to lpfc hba data structure.
2612 * This routine initializes the HBA and brings a HBA online. During this
2613 * process, the management interface is blocked to prevent user space access
2614 * to the HBA interfering with the driver initialization.
2621 lpfc_online(struct lpfc_hba
*phba
)
2623 struct lpfc_vport
*vport
;
2624 struct lpfc_vport
**vports
;
2629 vport
= phba
->pport
;
2631 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
2634 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2635 "0458 Bring Adapter online\n");
2637 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
2639 if (!lpfc_sli_queue_setup(phba
)) {
2640 lpfc_unblock_mgmt_io(phba
);
2644 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2645 if (lpfc_sli4_hba_setup(phba
)) { /* Initialize SLI4 HBA */
2646 lpfc_unblock_mgmt_io(phba
);
2650 if (lpfc_sli_hba_setup(phba
)) { /* Initialize SLI2/SLI3 HBA */
2651 lpfc_unblock_mgmt_io(phba
);
2656 vports
= lpfc_create_vport_work_array(phba
);
2658 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2659 struct Scsi_Host
*shost
;
2660 shost
= lpfc_shost_from_vport(vports
[i
]);
2661 spin_lock_irq(shost
->host_lock
);
2662 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
2663 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
2664 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2665 if (phba
->sli_rev
== LPFC_SLI_REV4
)
2666 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
2667 spin_unlock_irq(shost
->host_lock
);
2669 lpfc_destroy_vport_work_array(phba
, vports
);
2671 lpfc_unblock_mgmt_io(phba
);
2676 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
2677 * @phba: pointer to lpfc hba data structure.
2679 * This routine marks a HBA's management interface as not blocked. Once the
2680 * HBA's management interface is marked as not blocked, all the user space
2681 * access to the HBA, whether they are from sysfs interface or libdfc
2682 * interface will be allowed. The HBA is set to block the management interface
2683 * when the driver prepares the HBA interface for online or offline and then
2684 * set to unblock the management interface afterwards.
2687 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
2689 unsigned long iflag
;
2691 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2692 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
2693 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2697 * lpfc_offline_prep - Prepare a HBA to be brought offline
2698 * @phba: pointer to lpfc hba data structure.
2700 * This routine is invoked to prepare a HBA to be brought offline. It performs
2701 * unregistration login to all the nodes on all vports and flushes the mailbox
2702 * queue to make it ready to be brought offline.
2705 lpfc_offline_prep(struct lpfc_hba
*phba
, int mbx_action
)
2707 struct lpfc_vport
*vport
= phba
->pport
;
2708 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2709 struct lpfc_vport
**vports
;
2710 struct Scsi_Host
*shost
;
2713 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
2716 lpfc_block_mgmt_io(phba
, mbx_action
);
2718 lpfc_linkdown(phba
);
2720 /* Issue an unreg_login to all nodes on all vports */
2721 vports
= lpfc_create_vport_work_array(phba
);
2722 if (vports
!= NULL
) {
2723 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2724 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2726 shost
= lpfc_shost_from_vport(vports
[i
]);
2727 spin_lock_irq(shost
->host_lock
);
2728 vports
[i
]->vpi_state
&= ~LPFC_VPI_REGISTERED
;
2729 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2730 vports
[i
]->fc_flag
&= ~FC_VFI_REGISTERED
;
2731 spin_unlock_irq(shost
->host_lock
);
2733 shost
= lpfc_shost_from_vport(vports
[i
]);
2734 list_for_each_entry_safe(ndlp
, next_ndlp
,
2735 &vports
[i
]->fc_nodes
,
2737 if (!NLP_CHK_NODE_ACT(ndlp
))
2739 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
2741 if (ndlp
->nlp_type
& NLP_FABRIC
) {
2742 lpfc_disc_state_machine(vports
[i
], ndlp
,
2743 NULL
, NLP_EVT_DEVICE_RECOVERY
);
2744 lpfc_disc_state_machine(vports
[i
], ndlp
,
2745 NULL
, NLP_EVT_DEVICE_RM
);
2747 spin_lock_irq(shost
->host_lock
);
2748 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
2749 spin_unlock_irq(shost
->host_lock
);
2751 * Whenever an SLI4 port goes offline, free the
2752 * RPI. Get a new RPI when the adapter port
2753 * comes back online.
2755 if (phba
->sli_rev
== LPFC_SLI_REV4
)
2756 lpfc_sli4_free_rpi(phba
, ndlp
->nlp_rpi
);
2757 lpfc_unreg_rpi(vports
[i
], ndlp
);
2761 lpfc_destroy_vport_work_array(phba
, vports
);
2763 lpfc_sli_mbox_sys_shutdown(phba
, mbx_action
);
2767 * lpfc_offline - Bring a HBA offline
2768 * @phba: pointer to lpfc hba data structure.
2770 * This routine actually brings a HBA offline. It stops all the timers
2771 * associated with the HBA, brings down the SLI layer, and eventually
2772 * marks the HBA as in offline state for the upper layer protocol.
2775 lpfc_offline(struct lpfc_hba
*phba
)
2777 struct Scsi_Host
*shost
;
2778 struct lpfc_vport
**vports
;
2781 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
2784 /* stop port and all timers associated with this hba */
2785 lpfc_stop_port(phba
);
2786 vports
= lpfc_create_vport_work_array(phba
);
2788 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
2789 lpfc_stop_vport_timers(vports
[i
]);
2790 lpfc_destroy_vport_work_array(phba
, vports
);
2791 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2792 "0460 Bring Adapter offline\n");
2793 /* Bring down the SLI Layer and cleanup. The HBA is offline
2795 lpfc_sli_hba_down(phba
);
2796 spin_lock_irq(&phba
->hbalock
);
2798 spin_unlock_irq(&phba
->hbalock
);
2799 vports
= lpfc_create_vport_work_array(phba
);
2801 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2802 shost
= lpfc_shost_from_vport(vports
[i
]);
2803 spin_lock_irq(shost
->host_lock
);
2804 vports
[i
]->work_port_events
= 0;
2805 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
2806 spin_unlock_irq(shost
->host_lock
);
2808 lpfc_destroy_vport_work_array(phba
, vports
);
2812 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
2813 * @phba: pointer to lpfc hba data structure.
2815 * This routine is to free all the SCSI buffers and IOCBs from the driver
2816 * list back to kernel. It is called from lpfc_pci_remove_one to free
2817 * the internal resources before the device is removed from the system.
2820 lpfc_scsi_free(struct lpfc_hba
*phba
)
2822 struct lpfc_scsi_buf
*sb
, *sb_next
;
2823 struct lpfc_iocbq
*io
, *io_next
;
2825 spin_lock_irq(&phba
->hbalock
);
2826 /* Release all the lpfc_scsi_bufs maintained by this host. */
2827 spin_lock(&phba
->scsi_buf_list_lock
);
2828 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
) {
2829 list_del(&sb
->list
);
2830 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
2833 phba
->total_scsi_bufs
--;
2835 spin_unlock(&phba
->scsi_buf_list_lock
);
2837 /* Release all the lpfc_iocbq entries maintained by this host. */
2838 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
2839 list_del(&io
->list
);
2841 phba
->total_iocbq_bufs
--;
2844 spin_unlock_irq(&phba
->hbalock
);
2848 * lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping
2849 * @phba: pointer to lpfc hba data structure.
2851 * This routine first calculates the sizes of the current els and allocated
2852 * scsi sgl lists, and then goes through all sgls to updates the physical
2853 * XRIs assigned due to port function reset. During port initialization, the
2854 * current els and allocated scsi sgl lists are 0s.
2857 * 0 - successful (for now, it always returns 0)
2860 lpfc_sli4_xri_sgl_update(struct lpfc_hba
*phba
)
2862 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_entry_next
= NULL
;
2863 struct lpfc_scsi_buf
*psb
= NULL
, *psb_next
= NULL
;
2864 uint16_t i
, lxri
, xri_cnt
, els_xri_cnt
, scsi_xri_cnt
;
2865 LIST_HEAD(els_sgl_list
);
2866 LIST_HEAD(scsi_sgl_list
);
2870 * update on pci function's els xri-sgl list
2872 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
2873 if (els_xri_cnt
> phba
->sli4_hba
.els_xri_cnt
) {
2874 /* els xri-sgl expanded */
2875 xri_cnt
= els_xri_cnt
- phba
->sli4_hba
.els_xri_cnt
;
2876 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
2877 "3157 ELS xri-sgl count increased from "
2878 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
2880 /* allocate the additional els sgls */
2881 for (i
= 0; i
< xri_cnt
; i
++) {
2882 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
),
2884 if (sglq_entry
== NULL
) {
2885 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2886 "2562 Failure to allocate an "
2887 "ELS sgl entry:%d\n", i
);
2891 sglq_entry
->buff_type
= GEN_BUFF_TYPE
;
2892 sglq_entry
->virt
= lpfc_mbuf_alloc(phba
, 0,
2894 if (sglq_entry
->virt
== NULL
) {
2896 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2897 "2563 Failure to allocate an "
2898 "ELS mbuf:%d\n", i
);
2902 sglq_entry
->sgl
= sglq_entry
->virt
;
2903 memset(sglq_entry
->sgl
, 0, LPFC_BPL_SIZE
);
2904 sglq_entry
->state
= SGL_FREED
;
2905 list_add_tail(&sglq_entry
->list
, &els_sgl_list
);
2907 spin_lock(&phba
->hbalock
);
2908 list_splice_init(&els_sgl_list
, &phba
->sli4_hba
.lpfc_sgl_list
);
2909 spin_unlock(&phba
->hbalock
);
2910 } else if (els_xri_cnt
< phba
->sli4_hba
.els_xri_cnt
) {
2911 /* els xri-sgl shrinked */
2912 xri_cnt
= phba
->sli4_hba
.els_xri_cnt
- els_xri_cnt
;
2913 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
2914 "3158 ELS xri-sgl count decreased from "
2915 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
2917 spin_lock_irq(&phba
->hbalock
);
2918 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &els_sgl_list
);
2919 spin_unlock_irq(&phba
->hbalock
);
2920 /* release extra els sgls from list */
2921 for (i
= 0; i
< xri_cnt
; i
++) {
2922 list_remove_head(&els_sgl_list
,
2923 sglq_entry
, struct lpfc_sglq
, list
);
2925 lpfc_mbuf_free(phba
, sglq_entry
->virt
,
2930 spin_lock_irq(&phba
->hbalock
);
2931 list_splice_init(&els_sgl_list
, &phba
->sli4_hba
.lpfc_sgl_list
);
2932 spin_unlock_irq(&phba
->hbalock
);
2934 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
2935 "3163 ELS xri-sgl count unchanged: %d\n",
2937 phba
->sli4_hba
.els_xri_cnt
= els_xri_cnt
;
2939 /* update xris to els sgls on the list */
2941 sglq_entry_next
= NULL
;
2942 list_for_each_entry_safe(sglq_entry
, sglq_entry_next
,
2943 &phba
->sli4_hba
.lpfc_sgl_list
, list
) {
2944 lxri
= lpfc_sli4_next_xritag(phba
);
2945 if (lxri
== NO_XRI
) {
2946 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2947 "2400 Failed to allocate xri for "
2952 sglq_entry
->sli4_lxritag
= lxri
;
2953 sglq_entry
->sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
2957 * update on pci function's allocated scsi xri-sgl list
2959 phba
->total_scsi_bufs
= 0;
2961 /* maximum number of xris available for scsi buffers */
2962 phba
->sli4_hba
.scsi_xri_max
= phba
->sli4_hba
.max_cfg_param
.max_xri
-
2965 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
2966 "2401 Current allocated SCSI xri-sgl count:%d, "
2967 "maximum SCSI xri count:%d\n",
2968 phba
->sli4_hba
.scsi_xri_cnt
,
2969 phba
->sli4_hba
.scsi_xri_max
);
2971 spin_lock_irq(&phba
->scsi_buf_list_lock
);
2972 list_splice_init(&phba
->lpfc_scsi_buf_list
, &scsi_sgl_list
);
2973 spin_unlock_irq(&phba
->scsi_buf_list_lock
);
2975 if (phba
->sli4_hba
.scsi_xri_cnt
> phba
->sli4_hba
.scsi_xri_max
) {
2976 /* max scsi xri shrinked below the allocated scsi buffers */
2977 scsi_xri_cnt
= phba
->sli4_hba
.scsi_xri_cnt
-
2978 phba
->sli4_hba
.scsi_xri_max
;
2979 /* release the extra allocated scsi buffers */
2980 for (i
= 0; i
< scsi_xri_cnt
; i
++) {
2981 list_remove_head(&scsi_sgl_list
, psb
,
2982 struct lpfc_scsi_buf
, list
);
2983 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, psb
->data
,
2987 spin_lock_irq(&phba
->scsi_buf_list_lock
);
2988 phba
->sli4_hba
.scsi_xri_cnt
-= scsi_xri_cnt
;
2989 spin_unlock_irq(&phba
->scsi_buf_list_lock
);
2992 /* update xris associated to remaining allocated scsi buffers */
2995 list_for_each_entry_safe(psb
, psb_next
, &scsi_sgl_list
, list
) {
2996 lxri
= lpfc_sli4_next_xritag(phba
);
2997 if (lxri
== NO_XRI
) {
2998 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2999 "2560 Failed to allocate xri for "
3004 psb
->cur_iocbq
.sli4_lxritag
= lxri
;
3005 psb
->cur_iocbq
.sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3007 spin_lock(&phba
->scsi_buf_list_lock
);
3008 list_splice_init(&scsi_sgl_list
, &phba
->lpfc_scsi_buf_list
);
3009 spin_unlock(&phba
->scsi_buf_list_lock
);
3014 lpfc_free_els_sgl_list(phba
);
3015 lpfc_scsi_free(phba
);
3020 * lpfc_create_port - Create an FC port
3021 * @phba: pointer to lpfc hba data structure.
3022 * @instance: a unique integer ID to this FC port.
3023 * @dev: pointer to the device data structure.
3025 * This routine creates a FC port for the upper layer protocol. The FC port
3026 * can be created on top of either a physical port or a virtual port provided
3027 * by the HBA. This routine also allocates a SCSI host data structure (shost)
3028 * and associates the FC port created before adding the shost into the SCSI
3032 * @vport - pointer to the virtual N_Port data structure.
3033 * NULL - port create failed.
3036 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
3038 struct lpfc_vport
*vport
;
3039 struct Scsi_Host
*shost
;
3042 if (dev
!= &phba
->pcidev
->dev
)
3043 shost
= scsi_host_alloc(&lpfc_vport_template
,
3044 sizeof(struct lpfc_vport
));
3046 shost
= scsi_host_alloc(&lpfc_template
,
3047 sizeof(struct lpfc_vport
));
3051 vport
= (struct lpfc_vport
*) shost
->hostdata
;
3053 vport
->load_flag
|= FC_LOADING
;
3054 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
3055 vport
->fc_rscn_flush
= 0;
3057 lpfc_get_vport_cfgparam(vport
);
3058 shost
->unique_id
= instance
;
3059 shost
->max_id
= LPFC_MAX_TARGET
;
3060 shost
->max_lun
= vport
->cfg_max_luns
;
3061 shost
->this_id
= -1;
3062 shost
->max_cmd_len
= 16;
3063 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
3064 shost
->dma_boundary
=
3065 phba
->sli4_hba
.pc_sli4_params
.sge_supp_len
-1;
3066 shost
->sg_tablesize
= phba
->cfg_sg_seg_cnt
;
3070 * Set initial can_queue value since 0 is no longer supported and
3071 * scsi_add_host will fail. This will be adjusted later based on the
3072 * max xri value determined in hba setup.
3074 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
3075 if (dev
!= &phba
->pcidev
->dev
) {
3076 shost
->transportt
= lpfc_vport_transport_template
;
3077 vport
->port_type
= LPFC_NPIV_PORT
;
3079 shost
->transportt
= lpfc_transport_template
;
3080 vport
->port_type
= LPFC_PHYSICAL_PORT
;
3083 /* Initialize all internally managed lists. */
3084 INIT_LIST_HEAD(&vport
->fc_nodes
);
3085 INIT_LIST_HEAD(&vport
->rcv_buffer_list
);
3086 spin_lock_init(&vport
->work_port_lock
);
3088 init_timer(&vport
->fc_disctmo
);
3089 vport
->fc_disctmo
.function
= lpfc_disc_timeout
;
3090 vport
->fc_disctmo
.data
= (unsigned long)vport
;
3092 init_timer(&vport
->fc_fdmitmo
);
3093 vport
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
3094 vport
->fc_fdmitmo
.data
= (unsigned long)vport
;
3096 init_timer(&vport
->els_tmofunc
);
3097 vport
->els_tmofunc
.function
= lpfc_els_timeout
;
3098 vport
->els_tmofunc
.data
= (unsigned long)vport
;
3100 init_timer(&vport
->delayed_disc_tmo
);
3101 vport
->delayed_disc_tmo
.function
= lpfc_delayed_disc_tmo
;
3102 vport
->delayed_disc_tmo
.data
= (unsigned long)vport
;
3104 error
= scsi_add_host_with_dma(shost
, dev
, &phba
->pcidev
->dev
);
3108 spin_lock_irq(&phba
->hbalock
);
3109 list_add_tail(&vport
->listentry
, &phba
->port_list
);
3110 spin_unlock_irq(&phba
->hbalock
);
3114 scsi_host_put(shost
);
3120 * destroy_port - destroy an FC port
3121 * @vport: pointer to an lpfc virtual N_Port data structure.
3123 * This routine destroys a FC port from the upper layer protocol. All the
3124 * resources associated with the port are released.
3127 destroy_port(struct lpfc_vport
*vport
)
3129 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3130 struct lpfc_hba
*phba
= vport
->phba
;
3132 lpfc_debugfs_terminate(vport
);
3133 fc_remove_host(shost
);
3134 scsi_remove_host(shost
);
3136 spin_lock_irq(&phba
->hbalock
);
3137 list_del_init(&vport
->listentry
);
3138 spin_unlock_irq(&phba
->hbalock
);
3140 lpfc_cleanup(vport
);
3145 * lpfc_get_instance - Get a unique integer ID
3147 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
3148 * uses the kernel idr facility to perform the task.
3151 * instance - a unique integer ID allocated as the new instance.
3152 * -1 - lpfc get instance failed.
3155 lpfc_get_instance(void)
3159 /* Assign an unused number */
3160 if (!idr_pre_get(&lpfc_hba_index
, GFP_KERNEL
))
3162 if (idr_get_new(&lpfc_hba_index
, NULL
, &instance
))
3168 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
3169 * @shost: pointer to SCSI host data structure.
3170 * @time: elapsed time of the scan in jiffies.
3172 * This routine is called by the SCSI layer with a SCSI host to determine
3173 * whether the scan host is finished.
3175 * Note: there is no scan_start function as adapter initialization will have
3176 * asynchronously kicked off the link initialization.
3179 * 0 - SCSI host scan is not over yet.
3180 * 1 - SCSI host scan is over.
3182 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
3184 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3185 struct lpfc_hba
*phba
= vport
->phba
;
3188 spin_lock_irq(shost
->host_lock
);
3190 if (vport
->load_flag
& FC_UNLOADING
) {
3194 if (time
>= 30 * HZ
) {
3195 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3196 "0461 Scanning longer than 30 "
3197 "seconds. Continuing initialization\n");
3201 if (time
>= 15 * HZ
&& phba
->link_state
<= LPFC_LINK_DOWN
) {
3202 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3203 "0465 Link down longer than 15 "
3204 "seconds. Continuing initialization\n");
3209 if (vport
->port_state
!= LPFC_VPORT_READY
)
3211 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
3213 if (vport
->fc_map_cnt
== 0 && time
< 2 * HZ
)
3215 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
3221 spin_unlock_irq(shost
->host_lock
);
3226 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
3227 * @shost: pointer to SCSI host data structure.
3229 * This routine initializes a given SCSI host attributes on a FC port. The
3230 * SCSI host can be either on top of a physical port or a virtual port.
3232 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
3234 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3235 struct lpfc_hba
*phba
= vport
->phba
;
3237 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
3240 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
3241 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
3242 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
3244 memset(fc_host_supported_fc4s(shost
), 0,
3245 sizeof(fc_host_supported_fc4s(shost
)));
3246 fc_host_supported_fc4s(shost
)[2] = 1;
3247 fc_host_supported_fc4s(shost
)[7] = 1;
3249 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
3250 sizeof fc_host_symbolic_name(shost
));
3252 fc_host_supported_speeds(shost
) = 0;
3253 if (phba
->lmt
& LMT_16Gb
)
3254 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_16GBIT
;
3255 if (phba
->lmt
& LMT_10Gb
)
3256 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
3257 if (phba
->lmt
& LMT_8Gb
)
3258 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
3259 if (phba
->lmt
& LMT_4Gb
)
3260 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
3261 if (phba
->lmt
& LMT_2Gb
)
3262 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
3263 if (phba
->lmt
& LMT_1Gb
)
3264 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
3266 fc_host_maxframe_size(shost
) =
3267 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
3268 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
3270 fc_host_dev_loss_tmo(shost
) = vport
->cfg_devloss_tmo
;
3272 /* This value is also unchanging */
3273 memset(fc_host_active_fc4s(shost
), 0,
3274 sizeof(fc_host_active_fc4s(shost
)));
3275 fc_host_active_fc4s(shost
)[2] = 1;
3276 fc_host_active_fc4s(shost
)[7] = 1;
3278 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
3279 spin_lock_irq(shost
->host_lock
);
3280 vport
->load_flag
&= ~FC_LOADING
;
3281 spin_unlock_irq(shost
->host_lock
);
3285 * lpfc_stop_port_s3 - Stop SLI3 device port
3286 * @phba: pointer to lpfc hba data structure.
3288 * This routine is invoked to stop an SLI3 device port, it stops the device
3289 * from generating interrupts and stops the device driver's timers for the
3293 lpfc_stop_port_s3(struct lpfc_hba
*phba
)
3295 /* Clear all interrupt enable conditions */
3296 writel(0, phba
->HCregaddr
);
3297 readl(phba
->HCregaddr
); /* flush */
3298 /* Clear all pending interrupts */
3299 writel(0xffffffff, phba
->HAregaddr
);
3300 readl(phba
->HAregaddr
); /* flush */
3302 /* Reset some HBA SLI setup states */
3303 lpfc_stop_hba_timers(phba
);
3304 phba
->pport
->work_port_events
= 0;
3308 * lpfc_stop_port_s4 - Stop SLI4 device port
3309 * @phba: pointer to lpfc hba data structure.
3311 * This routine is invoked to stop an SLI4 device port, it stops the device
3312 * from generating interrupts and stops the device driver's timers for the
3316 lpfc_stop_port_s4(struct lpfc_hba
*phba
)
3318 /* Reset some HBA SLI4 setup states */
3319 lpfc_stop_hba_timers(phba
);
3320 phba
->pport
->work_port_events
= 0;
3321 phba
->sli4_hba
.intr_enable
= 0;
3325 * lpfc_stop_port - Wrapper function for stopping hba port
3326 * @phba: Pointer to HBA context object.
3328 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
3329 * the API jump table function pointer from the lpfc_hba struct.
3332 lpfc_stop_port(struct lpfc_hba
*phba
)
3334 phba
->lpfc_stop_port(phba
);
3338 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
3339 * @phba: Pointer to hba for which this call is being executed.
3341 * This routine starts the timer waiting for the FCF rediscovery to complete.
3344 lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba
*phba
)
3346 unsigned long fcf_redisc_wait_tmo
=
3347 (jiffies
+ msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO
));
3348 /* Start fcf rediscovery wait period timer */
3349 mod_timer(&phba
->fcf
.redisc_wait
, fcf_redisc_wait_tmo
);
3350 spin_lock_irq(&phba
->hbalock
);
3351 /* Allow action to new fcf asynchronous event */
3352 phba
->fcf
.fcf_flag
&= ~(FCF_AVAILABLE
| FCF_SCAN_DONE
);
3353 /* Mark the FCF rediscovery pending state */
3354 phba
->fcf
.fcf_flag
|= FCF_REDISC_PEND
;
3355 spin_unlock_irq(&phba
->hbalock
);
3359 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
3360 * @ptr: Map to lpfc_hba data structure pointer.
3362 * This routine is invoked when waiting for FCF table rediscover has been
3363 * timed out. If new FCF record(s) has (have) been discovered during the
3364 * wait period, a new FCF event shall be added to the FCOE async event
3365 * list, and then worker thread shall be waked up for processing from the
3366 * worker thread context.
3369 lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr
)
3371 struct lpfc_hba
*phba
= (struct lpfc_hba
*)ptr
;
3373 /* Don't send FCF rediscovery event if timer cancelled */
3374 spin_lock_irq(&phba
->hbalock
);
3375 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
3376 spin_unlock_irq(&phba
->hbalock
);
3379 /* Clear FCF rediscovery timer pending flag */
3380 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
3381 /* FCF rediscovery event to worker thread */
3382 phba
->fcf
.fcf_flag
|= FCF_REDISC_EVT
;
3383 spin_unlock_irq(&phba
->hbalock
);
3384 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
3385 "2776 FCF rediscover quiescent timer expired\n");
3386 /* wake up worker thread */
3387 lpfc_worker_wake_up(phba
);
3391 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
3392 * @phba: pointer to lpfc hba data structure.
3393 * @acqe_link: pointer to the async link completion queue entry.
3395 * This routine is to parse the SLI4 link-attention link fault code and
3396 * translate it into the base driver's read link attention mailbox command
3399 * Return: Link-attention status in terms of base driver's coding.
3402 lpfc_sli4_parse_latt_fault(struct lpfc_hba
*phba
,
3403 struct lpfc_acqe_link
*acqe_link
)
3405 uint16_t latt_fault
;
3407 switch (bf_get(lpfc_acqe_link_fault
, acqe_link
)) {
3408 case LPFC_ASYNC_LINK_FAULT_NONE
:
3409 case LPFC_ASYNC_LINK_FAULT_LOCAL
:
3410 case LPFC_ASYNC_LINK_FAULT_REMOTE
:
3414 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3415 "0398 Invalid link fault code: x%x\n",
3416 bf_get(lpfc_acqe_link_fault
, acqe_link
));
3417 latt_fault
= MBXERR_ERROR
;
3424 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
3425 * @phba: pointer to lpfc hba data structure.
3426 * @acqe_link: pointer to the async link completion queue entry.
3428 * This routine is to parse the SLI4 link attention type and translate it
3429 * into the base driver's link attention type coding.
3431 * Return: Link attention type in terms of base driver's coding.
3434 lpfc_sli4_parse_latt_type(struct lpfc_hba
*phba
,
3435 struct lpfc_acqe_link
*acqe_link
)
3439 switch (bf_get(lpfc_acqe_link_status
, acqe_link
)) {
3440 case LPFC_ASYNC_LINK_STATUS_DOWN
:
3441 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN
:
3442 att_type
= LPFC_ATT_LINK_DOWN
;
3444 case LPFC_ASYNC_LINK_STATUS_UP
:
3445 /* Ignore physical link up events - wait for logical link up */
3446 att_type
= LPFC_ATT_RESERVED
;
3448 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP
:
3449 att_type
= LPFC_ATT_LINK_UP
;
3452 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3453 "0399 Invalid link attention type: x%x\n",
3454 bf_get(lpfc_acqe_link_status
, acqe_link
));
3455 att_type
= LPFC_ATT_RESERVED
;
3462 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
3463 * @phba: pointer to lpfc hba data structure.
3464 * @acqe_link: pointer to the async link completion queue entry.
3466 * This routine is to parse the SLI4 link-attention link speed and translate
3467 * it into the base driver's link-attention link speed coding.
3469 * Return: Link-attention link speed in terms of base driver's coding.
3472 lpfc_sli4_parse_latt_link_speed(struct lpfc_hba
*phba
,
3473 struct lpfc_acqe_link
*acqe_link
)
3477 switch (bf_get(lpfc_acqe_link_speed
, acqe_link
)) {
3478 case LPFC_ASYNC_LINK_SPEED_ZERO
:
3479 case LPFC_ASYNC_LINK_SPEED_10MBPS
:
3480 case LPFC_ASYNC_LINK_SPEED_100MBPS
:
3481 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3483 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
3484 link_speed
= LPFC_LINK_SPEED_1GHZ
;
3486 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
3487 link_speed
= LPFC_LINK_SPEED_10GHZ
;
3490 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3491 "0483 Invalid link-attention link speed: x%x\n",
3492 bf_get(lpfc_acqe_link_speed
, acqe_link
));
3493 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3500 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
3501 * @phba: pointer to lpfc hba data structure.
3502 * @acqe_link: pointer to the async link completion queue entry.
3504 * This routine is to handle the SLI4 asynchronous FCoE link event.
3507 lpfc_sli4_async_link_evt(struct lpfc_hba
*phba
,
3508 struct lpfc_acqe_link
*acqe_link
)
3510 struct lpfc_dmabuf
*mp
;
3513 struct lpfc_mbx_read_top
*la
;
3517 att_type
= lpfc_sli4_parse_latt_type(phba
, acqe_link
);
3518 if (att_type
!= LPFC_ATT_LINK_DOWN
&& att_type
!= LPFC_ATT_LINK_UP
)
3520 phba
->fcoe_eventtag
= acqe_link
->event_tag
;
3521 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3523 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3524 "0395 The mboxq allocation failed\n");
3527 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3529 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3530 "0396 The lpfc_dmabuf allocation failed\n");
3533 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3535 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3536 "0397 The mbuf allocation failed\n");
3537 goto out_free_dmabuf
;
3540 /* Cleanup any outstanding ELS commands */
3541 lpfc_els_flush_all_cmd(phba
);
3543 /* Block ELS IOCBs until we have done process link event */
3544 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3546 /* Update link event statistics */
3547 phba
->sli
.slistat
.link_event
++;
3549 /* Create lpfc_handle_latt mailbox command from link ACQE */
3550 lpfc_read_topology(phba
, pmb
, mp
);
3551 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3552 pmb
->vport
= phba
->pport
;
3554 /* Keep the link status for extra SLI4 state machine reference */
3555 phba
->sli4_hba
.link_state
.speed
=
3556 bf_get(lpfc_acqe_link_speed
, acqe_link
);
3557 phba
->sli4_hba
.link_state
.duplex
=
3558 bf_get(lpfc_acqe_link_duplex
, acqe_link
);
3559 phba
->sli4_hba
.link_state
.status
=
3560 bf_get(lpfc_acqe_link_status
, acqe_link
);
3561 phba
->sli4_hba
.link_state
.type
=
3562 bf_get(lpfc_acqe_link_type
, acqe_link
);
3563 phba
->sli4_hba
.link_state
.number
=
3564 bf_get(lpfc_acqe_link_number
, acqe_link
);
3565 phba
->sli4_hba
.link_state
.fault
=
3566 bf_get(lpfc_acqe_link_fault
, acqe_link
);
3567 phba
->sli4_hba
.link_state
.logical_speed
=
3568 bf_get(lpfc_acqe_logical_link_speed
, acqe_link
);
3569 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3570 "2900 Async FC/FCoE Link event - Speed:%dGBit "
3571 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
3572 "Logical speed:%dMbps Fault:%d\n",
3573 phba
->sli4_hba
.link_state
.speed
,
3574 phba
->sli4_hba
.link_state
.topology
,
3575 phba
->sli4_hba
.link_state
.status
,
3576 phba
->sli4_hba
.link_state
.type
,
3577 phba
->sli4_hba
.link_state
.number
,
3578 phba
->sli4_hba
.link_state
.logical_speed
* 10,
3579 phba
->sli4_hba
.link_state
.fault
);
3581 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
3582 * topology info. Note: Optional for non FC-AL ports.
3584 if (!(phba
->hba_flag
& HBA_FCOE_MODE
)) {
3585 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3586 if (rc
== MBX_NOT_FINISHED
)
3587 goto out_free_dmabuf
;
3591 * For FCoE Mode: fill in all the topology information we need and call
3592 * the READ_TOPOLOGY completion routine to continue without actually
3593 * sending the READ_TOPOLOGY mailbox command to the port.
3595 /* Parse and translate status field */
3597 mb
->mbxStatus
= lpfc_sli4_parse_latt_fault(phba
, acqe_link
);
3599 /* Parse and translate link attention fields */
3600 la
= (struct lpfc_mbx_read_top
*) &pmb
->u
.mb
.un
.varReadTop
;
3601 la
->eventTag
= acqe_link
->event_tag
;
3602 bf_set(lpfc_mbx_read_top_att_type
, la
, att_type
);
3603 bf_set(lpfc_mbx_read_top_link_spd
, la
,
3604 lpfc_sli4_parse_latt_link_speed(phba
, acqe_link
));
3606 /* Fake the the following irrelvant fields */
3607 bf_set(lpfc_mbx_read_top_topology
, la
, LPFC_TOPOLOGY_PT_PT
);
3608 bf_set(lpfc_mbx_read_top_alpa_granted
, la
, 0);
3609 bf_set(lpfc_mbx_read_top_il
, la
, 0);
3610 bf_set(lpfc_mbx_read_top_pb
, la
, 0);
3611 bf_set(lpfc_mbx_read_top_fa
, la
, 0);
3612 bf_set(lpfc_mbx_read_top_mm
, la
, 0);
3614 /* Invoke the lpfc_handle_latt mailbox command callback function */
3615 lpfc_mbx_cmpl_read_topology(phba
, pmb
);
3622 mempool_free(pmb
, phba
->mbox_mem_pool
);
3626 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
3627 * @phba: pointer to lpfc hba data structure.
3628 * @acqe_fc: pointer to the async fc completion queue entry.
3630 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
3631 * that the event was received and then issue a read_topology mailbox command so
3632 * that the rest of the driver will treat it the same as SLI3.
3635 lpfc_sli4_async_fc_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_fc_la
*acqe_fc
)
3637 struct lpfc_dmabuf
*mp
;
3641 if (bf_get(lpfc_trailer_type
, acqe_fc
) !=
3642 LPFC_FC_LA_EVENT_TYPE_FC_LINK
) {
3643 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3644 "2895 Non FC link Event detected.(%d)\n",
3645 bf_get(lpfc_trailer_type
, acqe_fc
));
3648 /* Keep the link status for extra SLI4 state machine reference */
3649 phba
->sli4_hba
.link_state
.speed
=
3650 bf_get(lpfc_acqe_fc_la_speed
, acqe_fc
);
3651 phba
->sli4_hba
.link_state
.duplex
= LPFC_ASYNC_LINK_DUPLEX_FULL
;
3652 phba
->sli4_hba
.link_state
.topology
=
3653 bf_get(lpfc_acqe_fc_la_topology
, acqe_fc
);
3654 phba
->sli4_hba
.link_state
.status
=
3655 bf_get(lpfc_acqe_fc_la_att_type
, acqe_fc
);
3656 phba
->sli4_hba
.link_state
.type
=
3657 bf_get(lpfc_acqe_fc_la_port_type
, acqe_fc
);
3658 phba
->sli4_hba
.link_state
.number
=
3659 bf_get(lpfc_acqe_fc_la_port_number
, acqe_fc
);
3660 phba
->sli4_hba
.link_state
.fault
=
3661 bf_get(lpfc_acqe_link_fault
, acqe_fc
);
3662 phba
->sli4_hba
.link_state
.logical_speed
=
3663 bf_get(lpfc_acqe_fc_la_llink_spd
, acqe_fc
);
3664 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3665 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
3666 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
3667 "%dMbps Fault:%d\n",
3668 phba
->sli4_hba
.link_state
.speed
,
3669 phba
->sli4_hba
.link_state
.topology
,
3670 phba
->sli4_hba
.link_state
.status
,
3671 phba
->sli4_hba
.link_state
.type
,
3672 phba
->sli4_hba
.link_state
.number
,
3673 phba
->sli4_hba
.link_state
.logical_speed
* 10,
3674 phba
->sli4_hba
.link_state
.fault
);
3675 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3677 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3678 "2897 The mboxq allocation failed\n");
3681 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3683 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3684 "2898 The lpfc_dmabuf allocation failed\n");
3687 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3689 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3690 "2899 The mbuf allocation failed\n");
3691 goto out_free_dmabuf
;
3694 /* Cleanup any outstanding ELS commands */
3695 lpfc_els_flush_all_cmd(phba
);
3697 /* Block ELS IOCBs until we have done process link event */
3698 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3700 /* Update link event statistics */
3701 phba
->sli
.slistat
.link_event
++;
3703 /* Create lpfc_handle_latt mailbox command from link ACQE */
3704 lpfc_read_topology(phba
, pmb
, mp
);
3705 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3706 pmb
->vport
= phba
->pport
;
3708 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3709 if (rc
== MBX_NOT_FINISHED
)
3710 goto out_free_dmabuf
;
3716 mempool_free(pmb
, phba
->mbox_mem_pool
);
3720 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
3721 * @phba: pointer to lpfc hba data structure.
3722 * @acqe_fc: pointer to the async SLI completion queue entry.
3724 * This routine is to handle the SLI4 asynchronous SLI events.
3727 lpfc_sli4_async_sli_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_sli
*acqe_sli
)
3732 struct lpfc_acqe_misconfigured_event
*misconfigured
;
3734 /* special case misconfigured event as it contains data for all ports */
3735 if ((bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
3736 LPFC_SLI_INTF_IF_TYPE_2
) ||
3737 (bf_get(lpfc_trailer_type
, acqe_sli
) !=
3738 LPFC_SLI_EVENT_TYPE_MISCONFIGURED
)) {
3739 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3740 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
3741 "x%08x SLI Event Type:%d\n",
3742 acqe_sli
->event_data1
, acqe_sli
->event_data2
,
3743 bf_get(lpfc_trailer_type
, acqe_sli
));
3747 port_name
= phba
->Port
[0];
3748 if (port_name
== 0x00)
3749 port_name
= '?'; /* get port name is empty */
3751 misconfigured
= (struct lpfc_acqe_misconfigured_event
*)
3752 &acqe_sli
->event_data1
;
3754 /* fetch the status for this port */
3755 switch (phba
->sli4_hba
.lnk_info
.lnk_no
) {
3756 case LPFC_LINK_NUMBER_0
:
3757 status
= bf_get(lpfc_sli_misconfigured_port0
,
3758 &misconfigured
->theEvent
);
3760 case LPFC_LINK_NUMBER_1
:
3761 status
= bf_get(lpfc_sli_misconfigured_port1
,
3762 &misconfigured
->theEvent
);
3764 case LPFC_LINK_NUMBER_2
:
3765 status
= bf_get(lpfc_sli_misconfigured_port2
,
3766 &misconfigured
->theEvent
);
3768 case LPFC_LINK_NUMBER_3
:
3769 status
= bf_get(lpfc_sli_misconfigured_port3
,
3770 &misconfigured
->theEvent
);
3773 status
= ~LPFC_SLI_EVENT_STATUS_VALID
;
3778 case LPFC_SLI_EVENT_STATUS_VALID
:
3779 return; /* no message if the sfp is okay */
3780 case LPFC_SLI_EVENT_STATUS_NOT_PRESENT
:
3781 sprintf(message
, "Not installed");
3783 case LPFC_SLI_EVENT_STATUS_WRONG_TYPE
:
3785 "Optics of two types installed");
3787 case LPFC_SLI_EVENT_STATUS_UNSUPPORTED
:
3788 sprintf(message
, "Incompatible optics");
3791 /* firmware is reporting a status we don't know about */
3792 sprintf(message
, "Unknown event status x%02x", status
);
3796 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3797 "3176 Misconfigured Physical Port - "
3798 "Port Name %c %s\n", port_name
, message
);
3802 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
3803 * @vport: pointer to vport data structure.
3805 * This routine is to perform Clear Virtual Link (CVL) on a vport in
3806 * response to a CVL event.
3808 * Return the pointer to the ndlp with the vport if successful, otherwise
3811 static struct lpfc_nodelist
*
3812 lpfc_sli4_perform_vport_cvl(struct lpfc_vport
*vport
)
3814 struct lpfc_nodelist
*ndlp
;
3815 struct Scsi_Host
*shost
;
3816 struct lpfc_hba
*phba
;
3823 ndlp
= lpfc_findnode_did(vport
, Fabric_DID
);
3825 /* Cannot find existing Fabric ndlp, so allocate a new one */
3826 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
3829 lpfc_nlp_init(vport
, ndlp
, Fabric_DID
);
3830 /* Set the node type */
3831 ndlp
->nlp_type
|= NLP_FABRIC
;
3832 /* Put ndlp onto node list */
3833 lpfc_enqueue_node(vport
, ndlp
);
3834 } else if (!NLP_CHK_NODE_ACT(ndlp
)) {
3835 /* re-setup ndlp without removing from node list */
3836 ndlp
= lpfc_enable_node(vport
, ndlp
, NLP_STE_UNUSED_NODE
);
3840 if ((phba
->pport
->port_state
< LPFC_FLOGI
) &&
3841 (phba
->pport
->port_state
!= LPFC_VPORT_FAILED
))
3843 /* If virtual link is not yet instantiated ignore CVL */
3844 if ((vport
!= phba
->pport
) && (vport
->port_state
< LPFC_FDISC
)
3845 && (vport
->port_state
!= LPFC_VPORT_FAILED
))
3847 shost
= lpfc_shost_from_vport(vport
);
3850 lpfc_linkdown_port(vport
);
3851 lpfc_cleanup_pending_mbox(vport
);
3852 spin_lock_irq(shost
->host_lock
);
3853 vport
->fc_flag
|= FC_VPORT_CVL_RCVD
;
3854 spin_unlock_irq(shost
->host_lock
);
3860 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
3861 * @vport: pointer to lpfc hba data structure.
3863 * This routine is to perform Clear Virtual Link (CVL) on all vports in
3864 * response to a FCF dead event.
3867 lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba
*phba
)
3869 struct lpfc_vport
**vports
;
3872 vports
= lpfc_create_vport_work_array(phba
);
3874 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
3875 lpfc_sli4_perform_vport_cvl(vports
[i
]);
3876 lpfc_destroy_vport_work_array(phba
, vports
);
3880 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
3881 * @phba: pointer to lpfc hba data structure.
3882 * @acqe_link: pointer to the async fcoe completion queue entry.
3884 * This routine is to handle the SLI4 asynchronous fcoe event.
3887 lpfc_sli4_async_fip_evt(struct lpfc_hba
*phba
,
3888 struct lpfc_acqe_fip
*acqe_fip
)
3890 uint8_t event_type
= bf_get(lpfc_trailer_type
, acqe_fip
);
3892 struct lpfc_vport
*vport
;
3893 struct lpfc_nodelist
*ndlp
;
3894 struct Scsi_Host
*shost
;
3895 int active_vlink_present
;
3896 struct lpfc_vport
**vports
;
3899 phba
->fc_eventTag
= acqe_fip
->event_tag
;
3900 phba
->fcoe_eventtag
= acqe_fip
->event_tag
;
3901 switch (event_type
) {
3902 case LPFC_FIP_EVENT_TYPE_NEW_FCF
:
3903 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD
:
3904 if (event_type
== LPFC_FIP_EVENT_TYPE_NEW_FCF
)
3905 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
3907 "2546 New FCF event, evt_tag:x%x, "
3909 acqe_fip
->event_tag
,
3912 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
|
3914 "2788 FCF param modified event, "
3915 "evt_tag:x%x, index:x%x\n",
3916 acqe_fip
->event_tag
,
3918 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
3920 * During period of FCF discovery, read the FCF
3921 * table record indexed by the event to update
3922 * FCF roundrobin failover eligible FCF bmask.
3924 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
3926 "2779 Read FCF (x%x) for updating "
3927 "roundrobin FCF failover bmask\n",
3929 rc
= lpfc_sli4_read_fcf_rec(phba
, acqe_fip
->index
);
3932 /* If the FCF discovery is in progress, do nothing. */
3933 spin_lock_irq(&phba
->hbalock
);
3934 if (phba
->hba_flag
& FCF_TS_INPROG
) {
3935 spin_unlock_irq(&phba
->hbalock
);
3938 /* If fast FCF failover rescan event is pending, do nothing */
3939 if (phba
->fcf
.fcf_flag
& FCF_REDISC_EVT
) {
3940 spin_unlock_irq(&phba
->hbalock
);
3944 /* If the FCF has been in discovered state, do nothing. */
3945 if (phba
->fcf
.fcf_flag
& FCF_SCAN_DONE
) {
3946 spin_unlock_irq(&phba
->hbalock
);
3949 spin_unlock_irq(&phba
->hbalock
);
3951 /* Otherwise, scan the entire FCF table and re-discover SAN */
3952 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
3953 "2770 Start FCF table scan per async FCF "
3954 "event, evt_tag:x%x, index:x%x\n",
3955 acqe_fip
->event_tag
, acqe_fip
->index
);
3956 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
3957 LPFC_FCOE_FCF_GET_FIRST
);
3959 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
3960 "2547 Issue FCF scan read FCF mailbox "
3961 "command failed (x%x)\n", rc
);
3964 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL
:
3965 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3966 "2548 FCF Table full count 0x%x tag 0x%x\n",
3967 bf_get(lpfc_acqe_fip_fcf_count
, acqe_fip
),
3968 acqe_fip
->event_tag
);
3971 case LPFC_FIP_EVENT_TYPE_FCF_DEAD
:
3972 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
3973 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
3974 "2549 FCF (x%x) disconnected from network, "
3975 "tag:x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
3977 * If we are in the middle of FCF failover process, clear
3978 * the corresponding FCF bit in the roundrobin bitmap.
3980 spin_lock_irq(&phba
->hbalock
);
3981 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
3982 spin_unlock_irq(&phba
->hbalock
);
3983 /* Update FLOGI FCF failover eligible FCF bmask */
3984 lpfc_sli4_fcf_rr_index_clear(phba
, acqe_fip
->index
);
3987 spin_unlock_irq(&phba
->hbalock
);
3989 /* If the event is not for currently used fcf do nothing */
3990 if (phba
->fcf
.current_rec
.fcf_indx
!= acqe_fip
->index
)
3994 * Otherwise, request the port to rediscover the entire FCF
3995 * table for a fast recovery from case that the current FCF
3996 * is no longer valid as we are not in the middle of FCF
3997 * failover process already.
3999 spin_lock_irq(&phba
->hbalock
);
4000 /* Mark the fast failover process in progress */
4001 phba
->fcf
.fcf_flag
|= FCF_DEAD_DISC
;
4002 spin_unlock_irq(&phba
->hbalock
);
4004 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4005 "2771 Start FCF fast failover process due to "
4006 "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
4007 "\n", acqe_fip
->event_tag
, acqe_fip
->index
);
4008 rc
= lpfc_sli4_redisc_fcf_table(phba
);
4010 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4012 "2772 Issue FCF rediscover mabilbox "
4013 "command failed, fail through to FCF "
4015 spin_lock_irq(&phba
->hbalock
);
4016 phba
->fcf
.fcf_flag
&= ~FCF_DEAD_DISC
;
4017 spin_unlock_irq(&phba
->hbalock
);
4019 * Last resort will fail over by treating this
4020 * as a link down to FCF registration.
4022 lpfc_sli4_fcf_dead_failthrough(phba
);
4024 /* Reset FCF roundrobin bmask for new discovery */
4025 lpfc_sli4_clear_fcf_rr_bmask(phba
);
4027 * Handling fast FCF failover to a DEAD FCF event is
4028 * considered equalivant to receiving CVL to all vports.
4030 lpfc_sli4_perform_all_vport_cvl(phba
);
4033 case LPFC_FIP_EVENT_TYPE_CVL
:
4034 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
4035 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4036 "2718 Clear Virtual Link Received for VPI 0x%x"
4037 " tag 0x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
4039 vport
= lpfc_find_vport_by_vpid(phba
,
4041 ndlp
= lpfc_sli4_perform_vport_cvl(vport
);
4044 active_vlink_present
= 0;
4046 vports
= lpfc_create_vport_work_array(phba
);
4048 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
;
4050 if ((!(vports
[i
]->fc_flag
&
4051 FC_VPORT_CVL_RCVD
)) &&
4052 (vports
[i
]->port_state
> LPFC_FDISC
)) {
4053 active_vlink_present
= 1;
4057 lpfc_destroy_vport_work_array(phba
, vports
);
4060 if (active_vlink_present
) {
4062 * If there are other active VLinks present,
4063 * re-instantiate the Vlink using FDISC.
4065 mod_timer(&ndlp
->nlp_delayfunc
, jiffies
+ HZ
);
4066 shost
= lpfc_shost_from_vport(vport
);
4067 spin_lock_irq(shost
->host_lock
);
4068 ndlp
->nlp_flag
|= NLP_DELAY_TMO
;
4069 spin_unlock_irq(shost
->host_lock
);
4070 ndlp
->nlp_last_elscmd
= ELS_CMD_FDISC
;
4071 vport
->port_state
= LPFC_FDISC
;
4074 * Otherwise, we request port to rediscover
4075 * the entire FCF table for a fast recovery
4076 * from possible case that the current FCF
4077 * is no longer valid if we are not already
4078 * in the FCF failover process.
4080 spin_lock_irq(&phba
->hbalock
);
4081 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4082 spin_unlock_irq(&phba
->hbalock
);
4085 /* Mark the fast failover process in progress */
4086 phba
->fcf
.fcf_flag
|= FCF_ACVL_DISC
;
4087 spin_unlock_irq(&phba
->hbalock
);
4088 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
4090 "2773 Start FCF failover per CVL, "
4091 "evt_tag:x%x\n", acqe_fip
->event_tag
);
4092 rc
= lpfc_sli4_redisc_fcf_table(phba
);
4094 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4096 "2774 Issue FCF rediscover "
4097 "mabilbox command failed, "
4098 "through to CVL event\n");
4099 spin_lock_irq(&phba
->hbalock
);
4100 phba
->fcf
.fcf_flag
&= ~FCF_ACVL_DISC
;
4101 spin_unlock_irq(&phba
->hbalock
);
4103 * Last resort will be re-try on the
4104 * the current registered FCF entry.
4106 lpfc_retry_pport_discovery(phba
);
4109 * Reset FCF roundrobin bmask for new
4112 lpfc_sli4_clear_fcf_rr_bmask(phba
);
4116 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4117 "0288 Unknown FCoE event type 0x%x event tag "
4118 "0x%x\n", event_type
, acqe_fip
->event_tag
);
4124 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
4125 * @phba: pointer to lpfc hba data structure.
4126 * @acqe_link: pointer to the async dcbx completion queue entry.
4128 * This routine is to handle the SLI4 asynchronous dcbx event.
4131 lpfc_sli4_async_dcbx_evt(struct lpfc_hba
*phba
,
4132 struct lpfc_acqe_dcbx
*acqe_dcbx
)
4134 phba
->fc_eventTag
= acqe_dcbx
->event_tag
;
4135 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4136 "0290 The SLI4 DCBX asynchronous event is not "
4141 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
4142 * @phba: pointer to lpfc hba data structure.
4143 * @acqe_link: pointer to the async grp5 completion queue entry.
4145 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
4146 * is an asynchronous notified of a logical link speed change. The Port
4147 * reports the logical link speed in units of 10Mbps.
4150 lpfc_sli4_async_grp5_evt(struct lpfc_hba
*phba
,
4151 struct lpfc_acqe_grp5
*acqe_grp5
)
4153 uint16_t prev_ll_spd
;
4155 phba
->fc_eventTag
= acqe_grp5
->event_tag
;
4156 phba
->fcoe_eventtag
= acqe_grp5
->event_tag
;
4157 prev_ll_spd
= phba
->sli4_hba
.link_state
.logical_speed
;
4158 phba
->sli4_hba
.link_state
.logical_speed
=
4159 (bf_get(lpfc_acqe_grp5_llink_spd
, acqe_grp5
));
4160 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4161 "2789 GRP5 Async Event: Updating logical link speed "
4162 "from %dMbps to %dMbps\n", (prev_ll_spd
* 10),
4163 (phba
->sli4_hba
.link_state
.logical_speed
*10));
4167 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
4168 * @phba: pointer to lpfc hba data structure.
4170 * This routine is invoked by the worker thread to process all the pending
4171 * SLI4 asynchronous events.
4173 void lpfc_sli4_async_event_proc(struct lpfc_hba
*phba
)
4175 struct lpfc_cq_event
*cq_event
;
4177 /* First, declare the async event has been handled */
4178 spin_lock_irq(&phba
->hbalock
);
4179 phba
->hba_flag
&= ~ASYNC_EVENT
;
4180 spin_unlock_irq(&phba
->hbalock
);
4181 /* Now, handle all the async events */
4182 while (!list_empty(&phba
->sli4_hba
.sp_asynce_work_queue
)) {
4183 /* Get the first event from the head of the event queue */
4184 spin_lock_irq(&phba
->hbalock
);
4185 list_remove_head(&phba
->sli4_hba
.sp_asynce_work_queue
,
4186 cq_event
, struct lpfc_cq_event
, list
);
4187 spin_unlock_irq(&phba
->hbalock
);
4188 /* Process the asynchronous event */
4189 switch (bf_get(lpfc_trailer_code
, &cq_event
->cqe
.mcqe_cmpl
)) {
4190 case LPFC_TRAILER_CODE_LINK
:
4191 lpfc_sli4_async_link_evt(phba
,
4192 &cq_event
->cqe
.acqe_link
);
4194 case LPFC_TRAILER_CODE_FCOE
:
4195 lpfc_sli4_async_fip_evt(phba
, &cq_event
->cqe
.acqe_fip
);
4197 case LPFC_TRAILER_CODE_DCBX
:
4198 lpfc_sli4_async_dcbx_evt(phba
,
4199 &cq_event
->cqe
.acqe_dcbx
);
4201 case LPFC_TRAILER_CODE_GRP5
:
4202 lpfc_sli4_async_grp5_evt(phba
,
4203 &cq_event
->cqe
.acqe_grp5
);
4205 case LPFC_TRAILER_CODE_FC
:
4206 lpfc_sli4_async_fc_evt(phba
, &cq_event
->cqe
.acqe_fc
);
4208 case LPFC_TRAILER_CODE_SLI
:
4209 lpfc_sli4_async_sli_evt(phba
, &cq_event
->cqe
.acqe_sli
);
4212 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4213 "1804 Invalid asynchrous event code: "
4214 "x%x\n", bf_get(lpfc_trailer_code
,
4215 &cq_event
->cqe
.mcqe_cmpl
));
4218 /* Free the completion event processed to the free pool */
4219 lpfc_sli4_cq_event_release(phba
, cq_event
);
4224 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
4225 * @phba: pointer to lpfc hba data structure.
4227 * This routine is invoked by the worker thread to process FCF table
4228 * rediscovery pending completion event.
4230 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba
*phba
)
4234 spin_lock_irq(&phba
->hbalock
);
4235 /* Clear FCF rediscovery timeout event */
4236 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_EVT
;
4237 /* Clear driver fast failover FCF record flag */
4238 phba
->fcf
.failover_rec
.flag
= 0;
4239 /* Set state for FCF fast failover */
4240 phba
->fcf
.fcf_flag
|= FCF_REDISC_FOV
;
4241 spin_unlock_irq(&phba
->hbalock
);
4243 /* Scan FCF table from the first entry to re-discover SAN */
4244 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4245 "2777 Start post-quiescent FCF table scan\n");
4246 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
, LPFC_FCOE_FCF_GET_FIRST
);
4248 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4249 "2747 Issue FCF scan read FCF mailbox "
4250 "command failed 0x%x\n", rc
);
4254 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
4255 * @phba: pointer to lpfc hba data structure.
4256 * @dev_grp: The HBA PCI-Device group number.
4258 * This routine is invoked to set up the per HBA PCI-Device group function
4259 * API jump table entries.
4261 * Return: 0 if success, otherwise -ENODEV
4264 lpfc_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
4268 /* Set up lpfc PCI-device group */
4269 phba
->pci_dev_grp
= dev_grp
;
4271 /* The LPFC_PCI_DEV_OC uses SLI4 */
4272 if (dev_grp
== LPFC_PCI_DEV_OC
)
4273 phba
->sli_rev
= LPFC_SLI_REV4
;
4275 /* Set up device INIT API function jump table */
4276 rc
= lpfc_init_api_table_setup(phba
, dev_grp
);
4279 /* Set up SCSI API function jump table */
4280 rc
= lpfc_scsi_api_table_setup(phba
, dev_grp
);
4283 /* Set up SLI API function jump table */
4284 rc
= lpfc_sli_api_table_setup(phba
, dev_grp
);
4287 /* Set up MBOX API function jump table */
4288 rc
= lpfc_mbox_api_table_setup(phba
, dev_grp
);
4296 * lpfc_log_intr_mode - Log the active interrupt mode
4297 * @phba: pointer to lpfc hba data structure.
4298 * @intr_mode: active interrupt mode adopted.
4300 * This routine it invoked to log the currently used active interrupt mode
4303 static void lpfc_log_intr_mode(struct lpfc_hba
*phba
, uint32_t intr_mode
)
4305 switch (intr_mode
) {
4307 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4308 "0470 Enable INTx interrupt mode.\n");
4311 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4312 "0481 Enabled MSI interrupt mode.\n");
4315 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4316 "0480 Enabled MSI-X interrupt mode.\n");
4319 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4320 "0482 Illegal interrupt mode.\n");
4327 * lpfc_enable_pci_dev - Enable a generic PCI device.
4328 * @phba: pointer to lpfc hba data structure.
4330 * This routine is invoked to enable the PCI device that is common to all
4335 * other values - error
4338 lpfc_enable_pci_dev(struct lpfc_hba
*phba
)
4340 struct pci_dev
*pdev
;
4343 /* Obtain PCI device reference */
4347 pdev
= phba
->pcidev
;
4348 /* Select PCI BARs */
4349 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
4350 /* Enable PCI device */
4351 if (pci_enable_device_mem(pdev
))
4353 /* Request PCI resource for the device */
4354 if (pci_request_selected_regions(pdev
, bars
, LPFC_DRIVER_NAME
))
4355 goto out_disable_device
;
4356 /* Set up device as PCI master and save state for EEH */
4357 pci_set_master(pdev
);
4358 pci_try_set_mwi(pdev
);
4359 pci_save_state(pdev
);
4361 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
4362 if (pci_find_capability(pdev
, PCI_CAP_ID_EXP
))
4363 pdev
->needs_freset
= 1;
4368 pci_disable_device(pdev
);
4370 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4371 "1401 Failed to enable pci device, bars:x%x\n", bars
);
4376 * lpfc_disable_pci_dev - Disable a generic PCI device.
4377 * @phba: pointer to lpfc hba data structure.
4379 * This routine is invoked to disable the PCI device that is common to all
4383 lpfc_disable_pci_dev(struct lpfc_hba
*phba
)
4385 struct pci_dev
*pdev
;
4388 /* Obtain PCI device reference */
4392 pdev
= phba
->pcidev
;
4393 /* Select PCI BARs */
4394 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
4395 /* Release PCI resource and disable PCI device */
4396 pci_release_selected_regions(pdev
, bars
);
4397 pci_disable_device(pdev
);
4398 /* Null out PCI private reference to driver */
4399 pci_set_drvdata(pdev
, NULL
);
4405 * lpfc_reset_hba - Reset a hba
4406 * @phba: pointer to lpfc hba data structure.
4408 * This routine is invoked to reset a hba device. It brings the HBA
4409 * offline, performs a board restart, and then brings the board back
4410 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
4411 * on outstanding mailbox commands.
4414 lpfc_reset_hba(struct lpfc_hba
*phba
)
4416 /* If resets are disabled then set error state and return. */
4417 if (!phba
->cfg_enable_hba_reset
) {
4418 phba
->link_state
= LPFC_HBA_ERROR
;
4421 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
4423 lpfc_sli_brdrestart(phba
);
4425 lpfc_unblock_mgmt_io(phba
);
4429 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
4430 * @phba: pointer to lpfc hba data structure.
4432 * This function enables the PCI SR-IOV virtual functions to a physical
4433 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4434 * enable the number of virtual functions to the physical function. As
4435 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4436 * API call does not considered as an error condition for most of the device.
4439 lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba
*phba
)
4441 struct pci_dev
*pdev
= phba
->pcidev
;
4445 pos
= pci_find_ext_capability(pdev
, PCI_EXT_CAP_ID_SRIOV
);
4449 pci_read_config_word(pdev
, pos
+ PCI_SRIOV_TOTAL_VF
, &nr_virtfn
);
4454 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
4455 * @phba: pointer to lpfc hba data structure.
4456 * @nr_vfn: number of virtual functions to be enabled.
4458 * This function enables the PCI SR-IOV virtual functions to a physical
4459 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4460 * enable the number of virtual functions to the physical function. As
4461 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4462 * API call does not considered as an error condition for most of the device.
4465 lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba
*phba
, int nr_vfn
)
4467 struct pci_dev
*pdev
= phba
->pcidev
;
4468 uint16_t max_nr_vfn
;
4471 max_nr_vfn
= lpfc_sli_sriov_nr_virtfn_get(phba
);
4472 if (nr_vfn
> max_nr_vfn
) {
4473 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4474 "3057 Requested vfs (%d) greater than "
4475 "supported vfs (%d)", nr_vfn
, max_nr_vfn
);
4479 rc
= pci_enable_sriov(pdev
, nr_vfn
);
4481 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4482 "2806 Failed to enable sriov on this device "
4483 "with vfn number nr_vf:%d, rc:%d\n",
4486 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4487 "2807 Successful enable sriov on this device "
4488 "with vfn number nr_vf:%d\n", nr_vfn
);
4493 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
4494 * @phba: pointer to lpfc hba data structure.
4496 * This routine is invoked to set up the driver internal resources specific to
4497 * support the SLI-3 HBA device it attached to.
4501 * other values - error
4504 lpfc_sli_driver_resource_setup(struct lpfc_hba
*phba
)
4506 struct lpfc_sli
*psli
;
4510 * Initialize timers used by driver
4513 /* Heartbeat timer */
4514 init_timer(&phba
->hb_tmofunc
);
4515 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4516 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4519 /* MBOX heartbeat timer */
4520 init_timer(&psli
->mbox_tmo
);
4521 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4522 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4523 /* FCP polling mode timer */
4524 init_timer(&phba
->fcp_poll_timer
);
4525 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
4526 phba
->fcp_poll_timer
.data
= (unsigned long) phba
;
4527 /* Fabric block timer */
4528 init_timer(&phba
->fabric_block_timer
);
4529 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4530 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4531 /* EA polling mode timer */
4532 init_timer(&phba
->eratt_poll
);
4533 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4534 phba
->eratt_poll
.data
= (unsigned long) phba
;
4536 /* Host attention work mask setup */
4537 phba
->work_ha_mask
= (HA_ERATT
| HA_MBATT
| HA_LATT
);
4538 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
4540 /* Get all the module params for configuring this host */
4541 lpfc_get_cfgparam(phba
);
4542 if (phba
->pcidev
->device
== PCI_DEVICE_ID_HORNET
) {
4543 phba
->menlo_flag
|= HBA_MENLO_SUPPORT
;
4544 /* check for menlo minimum sg count */
4545 if (phba
->cfg_sg_seg_cnt
< LPFC_DEFAULT_MENLO_SG_SEG_CNT
)
4546 phba
->cfg_sg_seg_cnt
= LPFC_DEFAULT_MENLO_SG_SEG_CNT
;
4550 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4551 * used to create the sg_dma_buf_pool must be dynamically calculated.
4552 * 2 segments are added since the IOCB needs a command and response bde.
4554 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
4555 sizeof(struct fcp_rsp
) +
4556 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct ulp_bde64
));
4558 if (phba
->cfg_enable_bg
) {
4559 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SEG_CNT
;
4560 phba
->cfg_sg_dma_buf_size
+=
4561 phba
->cfg_prot_sg_seg_cnt
* sizeof(struct ulp_bde64
);
4564 /* Also reinitialize the host templates with new values. */
4565 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4566 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4568 phba
->max_vpi
= LPFC_MAX_VPI
;
4569 /* This will be set to correct value after config_port mbox */
4570 phba
->max_vports
= 0;
4573 * Initialize the SLI Layer to run with lpfc HBAs.
4575 lpfc_sli_setup(phba
);
4576 lpfc_sli_queue_setup(phba
);
4578 /* Allocate device driver memory */
4579 if (lpfc_mem_alloc(phba
, BPL_ALIGN_SZ
))
4583 * Enable sr-iov virtual functions if supported and configured
4584 * through the module parameter.
4586 if (phba
->cfg_sriov_nr_virtfn
> 0) {
4587 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
4588 phba
->cfg_sriov_nr_virtfn
);
4590 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4591 "2808 Requested number of SR-IOV "
4592 "virtual functions (%d) is not "
4594 phba
->cfg_sriov_nr_virtfn
);
4595 phba
->cfg_sriov_nr_virtfn
= 0;
4603 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
4604 * @phba: pointer to lpfc hba data structure.
4606 * This routine is invoked to unset the driver internal resources set up
4607 * specific for supporting the SLI-3 HBA device it attached to.
4610 lpfc_sli_driver_resource_unset(struct lpfc_hba
*phba
)
4612 /* Free device driver memory allocated */
4613 lpfc_mem_free_all(phba
);
4619 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
4620 * @phba: pointer to lpfc hba data structure.
4622 * This routine is invoked to set up the driver internal resources specific to
4623 * support the SLI-4 HBA device it attached to.
4627 * other values - error
4630 lpfc_sli4_driver_resource_setup(struct lpfc_hba
*phba
)
4632 struct lpfc_sli
*psli
;
4633 LPFC_MBOXQ_t
*mboxq
;
4634 int rc
, i
, hbq_count
, buf_size
, dma_buf_size
, max_buf_size
;
4635 uint8_t pn_page
[LPFC_MAX_SUPPORTED_PAGES
] = {0};
4636 struct lpfc_mqe
*mqe
;
4637 int longs
, sli_family
;
4638 int sges_per_segment
;
4640 /* Before proceed, wait for POST done and device ready */
4641 rc
= lpfc_sli4_post_status_check(phba
);
4646 * Initialize timers used by driver
4649 /* Heartbeat timer */
4650 init_timer(&phba
->hb_tmofunc
);
4651 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4652 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4653 init_timer(&phba
->rrq_tmr
);
4654 phba
->rrq_tmr
.function
= lpfc_rrq_timeout
;
4655 phba
->rrq_tmr
.data
= (unsigned long)phba
;
4658 /* MBOX heartbeat timer */
4659 init_timer(&psli
->mbox_tmo
);
4660 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4661 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4662 /* Fabric block timer */
4663 init_timer(&phba
->fabric_block_timer
);
4664 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4665 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4666 /* EA polling mode timer */
4667 init_timer(&phba
->eratt_poll
);
4668 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4669 phba
->eratt_poll
.data
= (unsigned long) phba
;
4670 /* FCF rediscover timer */
4671 init_timer(&phba
->fcf
.redisc_wait
);
4672 phba
->fcf
.redisc_wait
.function
= lpfc_sli4_fcf_redisc_wait_tmo
;
4673 phba
->fcf
.redisc_wait
.data
= (unsigned long)phba
;
4676 * Control structure for handling external multi-buffer mailbox
4677 * command pass-through.
4679 memset((uint8_t *)&phba
->mbox_ext_buf_ctx
, 0,
4680 sizeof(struct lpfc_mbox_ext_buf_ctx
));
4681 INIT_LIST_HEAD(&phba
->mbox_ext_buf_ctx
.ext_dmabuf_list
);
4684 * We need to do a READ_CONFIG mailbox command here before
4685 * calling lpfc_get_cfgparam. For VFs this will report the
4686 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
4687 * All of the resources allocated
4688 * for this Port are tied to these values.
4690 /* Get all the module params for configuring this host */
4691 lpfc_get_cfgparam(phba
);
4692 phba
->max_vpi
= LPFC_MAX_VPI
;
4693 /* This will be set to correct value after the read_config mbox */
4694 phba
->max_vports
= 0;
4696 /* Program the default value of vlan_id and fc_map */
4697 phba
->valid_vlan
= 0;
4698 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
4699 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
4700 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
4702 /* With BlockGuard we can have multiple SGEs per Data Segemnt */
4703 sges_per_segment
= 1;
4704 if (phba
->cfg_enable_bg
)
4705 sges_per_segment
= 2;
4708 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4709 * used to create the sg_dma_buf_pool must be dynamically calculated.
4710 * 2 segments are added since the IOCB needs a command and response bde.
4711 * To insure that the scsi sgl does not cross a 4k page boundary only
4712 * sgl sizes of must be a power of 2.
4714 buf_size
= (sizeof(struct fcp_cmnd
) + sizeof(struct fcp_rsp
) +
4715 (((phba
->cfg_sg_seg_cnt
* sges_per_segment
) + 2) *
4716 sizeof(struct sli4_sge
)));
4718 sli_family
= bf_get(lpfc_sli_intf_sli_family
, &phba
->sli4_hba
.sli_intf
);
4719 max_buf_size
= LPFC_SLI4_MAX_BUF_SIZE
;
4720 switch (sli_family
) {
4721 case LPFC_SLI_INTF_FAMILY_BE2
:
4722 case LPFC_SLI_INTF_FAMILY_BE3
:
4723 /* There is a single hint for BE - 2 pages per BPL. */
4724 if (bf_get(lpfc_sli_intf_sli_hint1
, &phba
->sli4_hba
.sli_intf
) ==
4725 LPFC_SLI_INTF_SLI_HINT1_1
)
4726 max_buf_size
= LPFC_SLI4_FL1_MAX_BUF_SIZE
;
4728 case LPFC_SLI_INTF_FAMILY_LNCR_A0
:
4729 case LPFC_SLI_INTF_FAMILY_LNCR_B0
:
4734 for (dma_buf_size
= LPFC_SLI4_MIN_BUF_SIZE
;
4735 dma_buf_size
< max_buf_size
&& buf_size
> dma_buf_size
;
4736 dma_buf_size
= dma_buf_size
<< 1)
4738 if (dma_buf_size
== max_buf_size
)
4739 phba
->cfg_sg_seg_cnt
= (dma_buf_size
-
4740 sizeof(struct fcp_cmnd
) - sizeof(struct fcp_rsp
) -
4741 (2 * sizeof(struct sli4_sge
))) /
4742 sizeof(struct sli4_sge
);
4743 phba
->cfg_sg_dma_buf_size
= dma_buf_size
;
4745 /* Initialize buffer queue management fields */
4746 hbq_count
= lpfc_sli_hbq_count();
4747 for (i
= 0; i
< hbq_count
; ++i
)
4748 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
4749 INIT_LIST_HEAD(&phba
->rb_pend_list
);
4750 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_sli4_rb_alloc
;
4751 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_sli4_rb_free
;
4754 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
4756 /* Initialize the Abort scsi buffer list used by driver */
4757 spin_lock_init(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
4758 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
4759 /* This abort list used by worker thread */
4760 spin_lock_init(&phba
->sli4_hba
.abts_sgl_list_lock
);
4763 * Initialize driver internal slow-path work queues
4766 /* Driver internel slow-path CQ Event pool */
4767 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_cqe_event_pool
);
4768 /* Response IOCB work queue list */
4769 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_queue_event
);
4770 /* Asynchronous event CQ Event work queue list */
4771 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_asynce_work_queue
);
4772 /* Fast-path XRI aborted CQ Event work queue list */
4773 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
4774 /* Slow-path XRI aborted CQ Event work queue list */
4775 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
4776 /* Receive queue CQ Event work queue list */
4777 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_unsol_work_queue
);
4779 /* Initialize extent block lists. */
4780 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_blk_list
);
4781 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_xri_blk_list
);
4782 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_vfi_blk_list
);
4783 INIT_LIST_HEAD(&phba
->lpfc_vpi_blk_list
);
4785 /* Initialize the driver internal SLI layer lists. */
4786 lpfc_sli_setup(phba
);
4787 lpfc_sli_queue_setup(phba
);
4789 /* Allocate device driver memory */
4790 rc
= lpfc_mem_alloc(phba
, SGL_ALIGN_SZ
);
4794 /* IF Type 2 ports get initialized now. */
4795 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
4796 LPFC_SLI_INTF_IF_TYPE_2
) {
4797 rc
= lpfc_pci_function_reset(phba
);
4802 /* Create the bootstrap mailbox command */
4803 rc
= lpfc_create_bootstrap_mbox(phba
);
4807 /* Set up the host's endian order with the device. */
4808 rc
= lpfc_setup_endian_order(phba
);
4810 goto out_free_bsmbx
;
4812 /* Set up the hba's configuration parameters. */
4813 rc
= lpfc_sli4_read_config(phba
);
4815 goto out_free_bsmbx
;
4817 /* IF Type 0 ports get initialized now. */
4818 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
4819 LPFC_SLI_INTF_IF_TYPE_0
) {
4820 rc
= lpfc_pci_function_reset(phba
);
4822 goto out_free_bsmbx
;
4825 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
4829 goto out_free_bsmbx
;
4832 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
4833 lpfc_supported_pages(mboxq
);
4834 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
4836 mqe
= &mboxq
->u
.mqe
;
4837 memcpy(&pn_page
[0], ((uint8_t *)&mqe
->un
.supp_pages
.word3
),
4838 LPFC_MAX_SUPPORTED_PAGES
);
4839 for (i
= 0; i
< LPFC_MAX_SUPPORTED_PAGES
; i
++) {
4840 switch (pn_page
[i
]) {
4841 case LPFC_SLI4_PARAMETERS
:
4842 phba
->sli4_hba
.pc_sli4_params
.supported
= 1;
4848 /* Read the port's SLI4 Parameters capabilities if supported. */
4849 if (phba
->sli4_hba
.pc_sli4_params
.supported
)
4850 rc
= lpfc_pc_sli4_params_get(phba
, mboxq
);
4852 mempool_free(mboxq
, phba
->mbox_mem_pool
);
4854 goto out_free_bsmbx
;
4858 * Get sli4 parameters that override parameters from Port capabilities.
4859 * If this call fails, it isn't critical unless the SLI4 parameters come
4862 rc
= lpfc_get_sli4_parameters(phba
, mboxq
);
4864 if (phba
->sli4_hba
.extents_in_use
&&
4865 phba
->sli4_hba
.rpi_hdrs_in_use
) {
4866 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4867 "2999 Unsupported SLI4 Parameters "
4868 "Extents and RPI headers enabled.\n");
4869 goto out_free_bsmbx
;
4872 mempool_free(mboxq
, phba
->mbox_mem_pool
);
4873 /* Verify all the SLI4 queues */
4874 rc
= lpfc_sli4_queue_verify(phba
);
4876 goto out_free_bsmbx
;
4878 /* Create driver internal CQE event pool */
4879 rc
= lpfc_sli4_cq_event_pool_create(phba
);
4881 goto out_free_bsmbx
;
4883 /* Initialize sgl lists per host */
4884 lpfc_init_sgl_list(phba
);
4886 /* Allocate and initialize active sgl array */
4887 rc
= lpfc_init_active_sgl_array(phba
);
4889 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4890 "1430 Failed to initialize sgl list.\n");
4891 goto out_destroy_cq_event_pool
;
4893 rc
= lpfc_sli4_init_rpi_hdrs(phba
);
4895 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4896 "1432 Failed to initialize rpi headers.\n");
4897 goto out_free_active_sgl
;
4900 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
4901 longs
= (LPFC_SLI4_FCF_TBL_INDX_MAX
+ BITS_PER_LONG
- 1)/BITS_PER_LONG
;
4902 phba
->fcf
.fcf_rr_bmask
= kzalloc(longs
* sizeof(unsigned long),
4904 if (!phba
->fcf
.fcf_rr_bmask
) {
4905 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4906 "2759 Failed allocate memory for FCF round "
4907 "robin failover bmask\n");
4909 goto out_remove_rpi_hdrs
;
4913 * The cfg_fcp_eq_count can be zero whenever there is exactly one
4914 * interrupt vector. This is not an error
4916 if (phba
->cfg_fcp_eq_count
) {
4917 phba
->sli4_hba
.fcp_eq_hdl
=
4918 kzalloc((sizeof(struct lpfc_fcp_eq_hdl
) *
4919 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
4920 if (!phba
->sli4_hba
.fcp_eq_hdl
) {
4921 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4922 "2572 Failed allocate memory for "
4923 "fast-path per-EQ handle array\n");
4925 goto out_free_fcf_rr_bmask
;
4929 phba
->sli4_hba
.msix_entries
= kzalloc((sizeof(struct msix_entry
) *
4930 phba
->sli4_hba
.cfg_eqn
), GFP_KERNEL
);
4931 if (!phba
->sli4_hba
.msix_entries
) {
4932 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4933 "2573 Failed allocate memory for msi-x "
4934 "interrupt vector entries\n");
4936 goto out_free_fcp_eq_hdl
;
4940 * Enable sr-iov virtual functions if supported and configured
4941 * through the module parameter.
4943 if (phba
->cfg_sriov_nr_virtfn
> 0) {
4944 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
4945 phba
->cfg_sriov_nr_virtfn
);
4947 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4948 "3020 Requested number of SR-IOV "
4949 "virtual functions (%d) is not "
4951 phba
->cfg_sriov_nr_virtfn
);
4952 phba
->cfg_sriov_nr_virtfn
= 0;
4958 out_free_fcp_eq_hdl
:
4959 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
4960 out_free_fcf_rr_bmask
:
4961 kfree(phba
->fcf
.fcf_rr_bmask
);
4962 out_remove_rpi_hdrs
:
4963 lpfc_sli4_remove_rpi_hdrs(phba
);
4964 out_free_active_sgl
:
4965 lpfc_free_active_sgl(phba
);
4966 out_destroy_cq_event_pool
:
4967 lpfc_sli4_cq_event_pool_destroy(phba
);
4969 lpfc_destroy_bootstrap_mbox(phba
);
4971 lpfc_mem_free(phba
);
4976 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
4977 * @phba: pointer to lpfc hba data structure.
4979 * This routine is invoked to unset the driver internal resources set up
4980 * specific for supporting the SLI-4 HBA device it attached to.
4983 lpfc_sli4_driver_resource_unset(struct lpfc_hba
*phba
)
4985 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
4987 /* Free memory allocated for msi-x interrupt vector entries */
4988 kfree(phba
->sli4_hba
.msix_entries
);
4990 /* Free memory allocated for fast-path work queue handles */
4991 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
4993 /* Free the allocated rpi headers. */
4994 lpfc_sli4_remove_rpi_hdrs(phba
);
4995 lpfc_sli4_remove_rpis(phba
);
4997 /* Free eligible FCF index bmask */
4998 kfree(phba
->fcf
.fcf_rr_bmask
);
5000 /* Free the ELS sgl list */
5001 lpfc_free_active_sgl(phba
);
5002 lpfc_free_els_sgl_list(phba
);
5004 /* Free the completion queue EQ event pool */
5005 lpfc_sli4_cq_event_release_all(phba
);
5006 lpfc_sli4_cq_event_pool_destroy(phba
);
5008 /* Release resource identifiers. */
5009 lpfc_sli4_dealloc_resource_identifiers(phba
);
5011 /* Free the bsmbx region. */
5012 lpfc_destroy_bootstrap_mbox(phba
);
5014 /* Free the SLI Layer memory with SLI4 HBAs */
5015 lpfc_mem_free_all(phba
);
5017 /* Free the current connect table */
5018 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
5019 &phba
->fcf_conn_rec_list
, list
) {
5020 list_del_init(&conn_entry
->list
);
5028 * lpfc_init_api_table_setup - Set up init api function jump table
5029 * @phba: The hba struct for which this call is being executed.
5030 * @dev_grp: The HBA PCI-Device group number.
5032 * This routine sets up the device INIT interface API function jump table
5035 * Returns: 0 - success, -ENODEV - failure.
5038 lpfc_init_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
5040 phba
->lpfc_hba_init_link
= lpfc_hba_init_link
;
5041 phba
->lpfc_hba_down_link
= lpfc_hba_down_link
;
5042 phba
->lpfc_selective_reset
= lpfc_selective_reset
;
5044 case LPFC_PCI_DEV_LP
:
5045 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s3
;
5046 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s3
;
5047 phba
->lpfc_stop_port
= lpfc_stop_port_s3
;
5049 case LPFC_PCI_DEV_OC
:
5050 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s4
;
5051 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s4
;
5052 phba
->lpfc_stop_port
= lpfc_stop_port_s4
;
5055 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5056 "1431 Invalid HBA PCI-device group: 0x%x\n",
5065 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
5066 * @phba: pointer to lpfc hba data structure.
5068 * This routine is invoked to set up the driver internal resources before the
5069 * device specific resource setup to support the HBA device it attached to.
5073 * other values - error
5076 lpfc_setup_driver_resource_phase1(struct lpfc_hba
*phba
)
5079 * Driver resources common to all SLI revisions
5081 atomic_set(&phba
->fast_event_count
, 0);
5082 spin_lock_init(&phba
->hbalock
);
5084 /* Initialize ndlp management spinlock */
5085 spin_lock_init(&phba
->ndlp_lock
);
5087 INIT_LIST_HEAD(&phba
->port_list
);
5088 INIT_LIST_HEAD(&phba
->work_list
);
5089 init_waitqueue_head(&phba
->wait_4_mlo_m_q
);
5091 /* Initialize the wait queue head for the kernel thread */
5092 init_waitqueue_head(&phba
->work_waitq
);
5094 /* Initialize the scsi buffer list used by driver for scsi IO */
5095 spin_lock_init(&phba
->scsi_buf_list_lock
);
5096 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list
);
5098 /* Initialize the fabric iocb list */
5099 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
5101 /* Initialize list to save ELS buffers */
5102 INIT_LIST_HEAD(&phba
->elsbuf
);
5104 /* Initialize FCF connection rec list */
5105 INIT_LIST_HEAD(&phba
->fcf_conn_rec_list
);
5111 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
5112 * @phba: pointer to lpfc hba data structure.
5114 * This routine is invoked to set up the driver internal resources after the
5115 * device specific resource setup to support the HBA device it attached to.
5119 * other values - error
5122 lpfc_setup_driver_resource_phase2(struct lpfc_hba
*phba
)
5126 /* Startup the kernel thread for this host adapter. */
5127 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
5128 "lpfc_worker_%d", phba
->brd_no
);
5129 if (IS_ERR(phba
->worker_thread
)) {
5130 error
= PTR_ERR(phba
->worker_thread
);
5138 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
5139 * @phba: pointer to lpfc hba data structure.
5141 * This routine is invoked to unset the driver internal resources set up after
5142 * the device specific resource setup for supporting the HBA device it
5146 lpfc_unset_driver_resource_phase2(struct lpfc_hba
*phba
)
5148 /* Stop kernel worker thread */
5149 kthread_stop(phba
->worker_thread
);
5153 * lpfc_free_iocb_list - Free iocb list.
5154 * @phba: pointer to lpfc hba data structure.
5156 * This routine is invoked to free the driver's IOCB list and memory.
5159 lpfc_free_iocb_list(struct lpfc_hba
*phba
)
5161 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
5163 spin_lock_irq(&phba
->hbalock
);
5164 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
5165 &phba
->lpfc_iocb_list
, list
) {
5166 list_del(&iocbq_entry
->list
);
5168 phba
->total_iocbq_bufs
--;
5170 spin_unlock_irq(&phba
->hbalock
);
5176 * lpfc_init_iocb_list - Allocate and initialize iocb list.
5177 * @phba: pointer to lpfc hba data structure.
5179 * This routine is invoked to allocate and initizlize the driver's IOCB
5180 * list and set up the IOCB tag array accordingly.
5184 * other values - error
5187 lpfc_init_iocb_list(struct lpfc_hba
*phba
, int iocb_count
)
5189 struct lpfc_iocbq
*iocbq_entry
= NULL
;
5193 /* Initialize and populate the iocb list per host. */
5194 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
5195 for (i
= 0; i
< iocb_count
; i
++) {
5196 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
5197 if (iocbq_entry
== NULL
) {
5198 printk(KERN_ERR
"%s: only allocated %d iocbs of "
5199 "expected %d count. Unloading driver.\n",
5200 __func__
, i
, LPFC_IOCB_LIST_CNT
);
5201 goto out_free_iocbq
;
5204 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
5207 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
5208 "Unloading driver.\n", __func__
);
5209 goto out_free_iocbq
;
5211 iocbq_entry
->sli4_lxritag
= NO_XRI
;
5212 iocbq_entry
->sli4_xritag
= NO_XRI
;
5214 spin_lock_irq(&phba
->hbalock
);
5215 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
5216 phba
->total_iocbq_bufs
++;
5217 spin_unlock_irq(&phba
->hbalock
);
5223 lpfc_free_iocb_list(phba
);
5229 * lpfc_free_sgl_list - Free a given sgl list.
5230 * @phba: pointer to lpfc hba data structure.
5231 * @sglq_list: pointer to the head of sgl list.
5233 * This routine is invoked to free a give sgl list and memory.
5236 lpfc_free_sgl_list(struct lpfc_hba
*phba
, struct list_head
*sglq_list
)
5238 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
5240 list_for_each_entry_safe(sglq_entry
, sglq_next
, sglq_list
, list
) {
5241 list_del(&sglq_entry
->list
);
5242 lpfc_mbuf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
5248 * lpfc_free_els_sgl_list - Free els sgl list.
5249 * @phba: pointer to lpfc hba data structure.
5251 * This routine is invoked to free the driver's els sgl list and memory.
5254 lpfc_free_els_sgl_list(struct lpfc_hba
*phba
)
5256 LIST_HEAD(sglq_list
);
5258 /* Retrieve all els sgls from driver list */
5259 spin_lock_irq(&phba
->hbalock
);
5260 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &sglq_list
);
5261 spin_unlock_irq(&phba
->hbalock
);
5263 /* Now free the sgl list */
5264 lpfc_free_sgl_list(phba
, &sglq_list
);
5268 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
5269 * @phba: pointer to lpfc hba data structure.
5271 * This routine is invoked to allocate the driver's active sgl memory.
5272 * This array will hold the sglq_entry's for active IOs.
5275 lpfc_init_active_sgl_array(struct lpfc_hba
*phba
)
5278 size
= sizeof(struct lpfc_sglq
*);
5279 size
*= phba
->sli4_hba
.max_cfg_param
.max_xri
;
5281 phba
->sli4_hba
.lpfc_sglq_active_list
=
5282 kzalloc(size
, GFP_KERNEL
);
5283 if (!phba
->sli4_hba
.lpfc_sglq_active_list
)
5289 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
5290 * @phba: pointer to lpfc hba data structure.
5292 * This routine is invoked to walk through the array of active sglq entries
5293 * and free all of the resources.
5294 * This is just a place holder for now.
5297 lpfc_free_active_sgl(struct lpfc_hba
*phba
)
5299 kfree(phba
->sli4_hba
.lpfc_sglq_active_list
);
5303 * lpfc_init_sgl_list - Allocate and initialize sgl list.
5304 * @phba: pointer to lpfc hba data structure.
5306 * This routine is invoked to allocate and initizlize the driver's sgl
5307 * list and set up the sgl xritag tag array accordingly.
5311 lpfc_init_sgl_list(struct lpfc_hba
*phba
)
5313 /* Initialize and populate the sglq list per host/VF. */
5314 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_sgl_list
);
5315 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
5317 /* els xri-sgl book keeping */
5318 phba
->sli4_hba
.els_xri_cnt
= 0;
5320 /* scsi xri-buffer book keeping */
5321 phba
->sli4_hba
.scsi_xri_cnt
= 0;
5325 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
5326 * @phba: pointer to lpfc hba data structure.
5328 * This routine is invoked to post rpi header templates to the
5329 * port for those SLI4 ports that do not support extents. This routine
5330 * posts a PAGE_SIZE memory region to the port to hold up to
5331 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
5332 * and should be called only when interrupts are disabled.
5336 * -ERROR - otherwise.
5339 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*phba
)
5342 struct lpfc_rpi_hdr
*rpi_hdr
;
5344 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5345 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5347 if (phba
->sli4_hba
.extents_in_use
)
5350 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
5352 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5353 "0391 Error during rpi post operation\n");
5354 lpfc_sli4_remove_rpis(phba
);
5362 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
5363 * @phba: pointer to lpfc hba data structure.
5365 * This routine is invoked to allocate a single 4KB memory region to
5366 * support rpis and stores them in the phba. This single region
5367 * provides support for up to 64 rpis. The region is used globally
5371 * A valid rpi hdr on success.
5372 * A NULL pointer on any failure.
5374 struct lpfc_rpi_hdr
*
5375 lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*phba
)
5377 uint16_t rpi_limit
, curr_rpi_range
;
5378 struct lpfc_dmabuf
*dmabuf
;
5379 struct lpfc_rpi_hdr
*rpi_hdr
;
5383 * If the SLI4 port supports extents, posting the rpi header isn't
5384 * required. Set the expected maximum count and let the actual value
5385 * get set when extents are fully allocated.
5387 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5389 if (phba
->sli4_hba
.extents_in_use
)
5392 /* The limit on the logical index is just the max_rpi count. */
5393 rpi_limit
= phba
->sli4_hba
.max_cfg_param
.rpi_base
+
5394 phba
->sli4_hba
.max_cfg_param
.max_rpi
- 1;
5396 spin_lock_irq(&phba
->hbalock
);
5398 * Establish the starting RPI in this header block. The starting
5399 * rpi is normalized to a zero base because the physical rpi is
5402 curr_rpi_range
= phba
->sli4_hba
.next_rpi
;
5403 spin_unlock_irq(&phba
->hbalock
);
5406 * The port has a limited number of rpis. The increment here
5407 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
5408 * and to allow the full max_rpi range per port.
5410 if ((curr_rpi_range
+ (LPFC_RPI_HDR_COUNT
- 1)) > rpi_limit
)
5411 rpi_count
= rpi_limit
- curr_rpi_range
;
5413 rpi_count
= LPFC_RPI_HDR_COUNT
;
5418 * First allocate the protocol header region for the port. The
5419 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
5421 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
5425 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
5426 LPFC_HDR_TEMPLATE_SIZE
,
5429 if (!dmabuf
->virt
) {
5431 goto err_free_dmabuf
;
5434 memset(dmabuf
->virt
, 0, LPFC_HDR_TEMPLATE_SIZE
);
5435 if (!IS_ALIGNED(dmabuf
->phys
, LPFC_HDR_TEMPLATE_SIZE
)) {
5437 goto err_free_coherent
;
5440 /* Save the rpi header data for cleanup later. */
5441 rpi_hdr
= kzalloc(sizeof(struct lpfc_rpi_hdr
), GFP_KERNEL
);
5443 goto err_free_coherent
;
5445 rpi_hdr
->dmabuf
= dmabuf
;
5446 rpi_hdr
->len
= LPFC_HDR_TEMPLATE_SIZE
;
5447 rpi_hdr
->page_count
= 1;
5448 spin_lock_irq(&phba
->hbalock
);
5450 /* The rpi_hdr stores the logical index only. */
5451 rpi_hdr
->start_rpi
= curr_rpi_range
;
5452 list_add_tail(&rpi_hdr
->list
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5455 * The next_rpi stores the next logical module-64 rpi value used
5456 * to post physical rpis in subsequent rpi postings.
5458 phba
->sli4_hba
.next_rpi
+= rpi_count
;
5459 spin_unlock_irq(&phba
->hbalock
);
5463 dma_free_coherent(&phba
->pcidev
->dev
, LPFC_HDR_TEMPLATE_SIZE
,
5464 dmabuf
->virt
, dmabuf
->phys
);
5471 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
5472 * @phba: pointer to lpfc hba data structure.
5474 * This routine is invoked to remove all memory resources allocated
5475 * to support rpis for SLI4 ports not supporting extents. This routine
5476 * presumes the caller has released all rpis consumed by fabric or port
5477 * logins and is prepared to have the header pages removed.
5480 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*phba
)
5482 struct lpfc_rpi_hdr
*rpi_hdr
, *next_rpi_hdr
;
5484 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5487 list_for_each_entry_safe(rpi_hdr
, next_rpi_hdr
,
5488 &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
5489 list_del(&rpi_hdr
->list
);
5490 dma_free_coherent(&phba
->pcidev
->dev
, rpi_hdr
->len
,
5491 rpi_hdr
->dmabuf
->virt
, rpi_hdr
->dmabuf
->phys
);
5492 kfree(rpi_hdr
->dmabuf
);
5496 /* There are no rpis available to the port now. */
5497 phba
->sli4_hba
.next_rpi
= 0;
5501 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
5502 * @pdev: pointer to pci device data structure.
5504 * This routine is invoked to allocate the driver hba data structure for an
5505 * HBA device. If the allocation is successful, the phba reference to the
5506 * PCI device data structure is set.
5509 * pointer to @phba - successful
5512 static struct lpfc_hba
*
5513 lpfc_hba_alloc(struct pci_dev
*pdev
)
5515 struct lpfc_hba
*phba
;
5517 /* Allocate memory for HBA structure */
5518 phba
= kzalloc(sizeof(struct lpfc_hba
), GFP_KERNEL
);
5520 dev_err(&pdev
->dev
, "failed to allocate hba struct\n");
5524 /* Set reference to PCI device in HBA structure */
5525 phba
->pcidev
= pdev
;
5527 /* Assign an unused board number */
5528 phba
->brd_no
= lpfc_get_instance();
5529 if (phba
->brd_no
< 0) {
5534 spin_lock_init(&phba
->ct_ev_lock
);
5535 INIT_LIST_HEAD(&phba
->ct_ev_waiters
);
5541 * lpfc_hba_free - Free driver hba data structure with a device.
5542 * @phba: pointer to lpfc hba data structure.
5544 * This routine is invoked to free the driver hba data structure with an
5548 lpfc_hba_free(struct lpfc_hba
*phba
)
5550 /* Release the driver assigned board number */
5551 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
5558 * lpfc_create_shost - Create hba physical port with associated scsi host.
5559 * @phba: pointer to lpfc hba data structure.
5561 * This routine is invoked to create HBA physical port and associate a SCSI
5566 * other values - error
5569 lpfc_create_shost(struct lpfc_hba
*phba
)
5571 struct lpfc_vport
*vport
;
5572 struct Scsi_Host
*shost
;
5574 /* Initialize HBA FC structure */
5575 phba
->fc_edtov
= FF_DEF_EDTOV
;
5576 phba
->fc_ratov
= FF_DEF_RATOV
;
5577 phba
->fc_altov
= FF_DEF_ALTOV
;
5578 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
5580 atomic_set(&phba
->sdev_cnt
, 0);
5581 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
5585 shost
= lpfc_shost_from_vport(vport
);
5586 phba
->pport
= vport
;
5587 lpfc_debugfs_initialize(vport
);
5588 /* Put reference to SCSI host to driver's device private data */
5589 pci_set_drvdata(phba
->pcidev
, shost
);
5595 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
5596 * @phba: pointer to lpfc hba data structure.
5598 * This routine is invoked to destroy HBA physical port and the associated
5602 lpfc_destroy_shost(struct lpfc_hba
*phba
)
5604 struct lpfc_vport
*vport
= phba
->pport
;
5606 /* Destroy physical port that associated with the SCSI host */
5607 destroy_port(vport
);
5613 * lpfc_setup_bg - Setup Block guard structures and debug areas.
5614 * @phba: pointer to lpfc hba data structure.
5615 * @shost: the shost to be used to detect Block guard settings.
5617 * This routine sets up the local Block guard protocol settings for @shost.
5618 * This routine also allocates memory for debugging bg buffers.
5621 lpfc_setup_bg(struct lpfc_hba
*phba
, struct Scsi_Host
*shost
)
5627 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
5628 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5629 "1478 Registering BlockGuard with the "
5632 old_mask
= lpfc_prot_mask
;
5633 old_guard
= lpfc_prot_guard
;
5635 /* Only allow supported values */
5636 lpfc_prot_mask
&= (SHOST_DIF_TYPE1_PROTECTION
|
5637 SHOST_DIX_TYPE0_PROTECTION
|
5638 SHOST_DIX_TYPE1_PROTECTION
);
5639 lpfc_prot_guard
&= (SHOST_DIX_GUARD_IP
| SHOST_DIX_GUARD_CRC
);
5641 /* DIF Type 1 protection for profiles AST1/C1 is end to end */
5642 if (lpfc_prot_mask
== SHOST_DIX_TYPE1_PROTECTION
)
5643 lpfc_prot_mask
|= SHOST_DIF_TYPE1_PROTECTION
;
5645 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
5646 if ((old_mask
!= lpfc_prot_mask
) ||
5647 (old_guard
!= lpfc_prot_guard
))
5648 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5649 "1475 Registering BlockGuard with the "
5650 "SCSI layer: mask %d guard %d\n",
5651 lpfc_prot_mask
, lpfc_prot_guard
);
5653 scsi_host_set_prot(shost
, lpfc_prot_mask
);
5654 scsi_host_set_guard(shost
, lpfc_prot_guard
);
5656 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5657 "1479 Not Registering BlockGuard with the SCSI "
5658 "layer, Bad protection parameters: %d %d\n",
5659 old_mask
, old_guard
);
5662 if (!_dump_buf_data
) {
5664 spin_lock_init(&_dump_buf_lock
);
5666 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
5667 if (_dump_buf_data
) {
5668 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5669 "9043 BLKGRD: allocated %d pages for "
5670 "_dump_buf_data at 0x%p\n",
5671 (1 << pagecnt
), _dump_buf_data
);
5672 _dump_buf_data_order
= pagecnt
;
5673 memset(_dump_buf_data
, 0,
5674 ((1 << PAGE_SHIFT
) << pagecnt
));
5679 if (!_dump_buf_data_order
)
5680 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5681 "9044 BLKGRD: ERROR unable to allocate "
5682 "memory for hexdump\n");
5684 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5685 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
5686 "\n", _dump_buf_data
);
5687 if (!_dump_buf_dif
) {
5690 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
5691 if (_dump_buf_dif
) {
5692 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5693 "9046 BLKGRD: allocated %d pages for "
5694 "_dump_buf_dif at 0x%p\n",
5695 (1 << pagecnt
), _dump_buf_dif
);
5696 _dump_buf_dif_order
= pagecnt
;
5697 memset(_dump_buf_dif
, 0,
5698 ((1 << PAGE_SHIFT
) << pagecnt
));
5703 if (!_dump_buf_dif_order
)
5704 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5705 "9047 BLKGRD: ERROR unable to allocate "
5706 "memory for hexdump\n");
5708 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5709 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
5714 * lpfc_post_init_setup - Perform necessary device post initialization setup.
5715 * @phba: pointer to lpfc hba data structure.
5717 * This routine is invoked to perform all the necessary post initialization
5718 * setup for the device.
5721 lpfc_post_init_setup(struct lpfc_hba
*phba
)
5723 struct Scsi_Host
*shost
;
5724 struct lpfc_adapter_event_header adapter_event
;
5726 /* Get the default values for Model Name and Description */
5727 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
5730 * hba setup may have changed the hba_queue_depth so we need to
5731 * adjust the value of can_queue.
5733 shost
= pci_get_drvdata(phba
->pcidev
);
5734 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
5735 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
5736 lpfc_setup_bg(phba
, shost
);
5738 lpfc_host_attrib_init(shost
);
5740 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
5741 spin_lock_irq(shost
->host_lock
);
5742 lpfc_poll_start_timer(phba
);
5743 spin_unlock_irq(shost
->host_lock
);
5746 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5747 "0428 Perform SCSI scan\n");
5748 /* Send board arrival event to upper layer */
5749 adapter_event
.event_type
= FC_REG_ADAPTER_EVENT
;
5750 adapter_event
.subcategory
= LPFC_EVENT_ARRIVAL
;
5751 fc_host_post_vendor_event(shost
, fc_get_event_number(),
5752 sizeof(adapter_event
),
5753 (char *) &adapter_event
,
5759 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
5760 * @phba: pointer to lpfc hba data structure.
5762 * This routine is invoked to set up the PCI device memory space for device
5763 * with SLI-3 interface spec.
5767 * other values - error
5770 lpfc_sli_pci_mem_setup(struct lpfc_hba
*phba
)
5772 struct pci_dev
*pdev
;
5773 unsigned long bar0map_len
, bar2map_len
;
5776 int error
= -ENODEV
;
5778 /* Obtain PCI device reference */
5782 pdev
= phba
->pcidev
;
5784 /* Set the device DMA mask size */
5785 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
5786 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
5787 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
5788 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
5793 /* Get the bus address of Bar0 and Bar2 and the number of bytes
5794 * required by each mapping.
5796 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
5797 bar0map_len
= pci_resource_len(pdev
, 0);
5799 phba
->pci_bar2_map
= pci_resource_start(pdev
, 2);
5800 bar2map_len
= pci_resource_len(pdev
, 2);
5802 /* Map HBA SLIM to a kernel virtual address. */
5803 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
5804 if (!phba
->slim_memmap_p
) {
5805 dev_printk(KERN_ERR
, &pdev
->dev
,
5806 "ioremap failed for SLIM memory.\n");
5810 /* Map HBA Control Registers to a kernel virtual address. */
5811 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
5812 if (!phba
->ctrl_regs_memmap_p
) {
5813 dev_printk(KERN_ERR
, &pdev
->dev
,
5814 "ioremap failed for HBA control registers.\n");
5815 goto out_iounmap_slim
;
5818 /* Allocate memory for SLI-2 structures */
5819 phba
->slim2p
.virt
= dma_alloc_coherent(&pdev
->dev
,
5823 if (!phba
->slim2p
.virt
)
5826 memset(phba
->slim2p
.virt
, 0, SLI2_SLIM_SIZE
);
5827 phba
->mbox
= phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, mbx
);
5828 phba
->mbox_ext
= (phba
->slim2p
.virt
+
5829 offsetof(struct lpfc_sli2_slim
, mbx_ext_words
));
5830 phba
->pcb
= (phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, pcb
));
5831 phba
->IOCBs
= (phba
->slim2p
.virt
+
5832 offsetof(struct lpfc_sli2_slim
, IOCBs
));
5834 phba
->hbqslimp
.virt
= dma_alloc_coherent(&pdev
->dev
,
5835 lpfc_sli_hbq_size(),
5836 &phba
->hbqslimp
.phys
,
5838 if (!phba
->hbqslimp
.virt
)
5841 hbq_count
= lpfc_sli_hbq_count();
5842 ptr
= phba
->hbqslimp
.virt
;
5843 for (i
= 0; i
< hbq_count
; ++i
) {
5844 phba
->hbqs
[i
].hbq_virt
= ptr
;
5845 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
5846 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
5847 sizeof(struct lpfc_hbq_entry
));
5849 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
5850 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
5852 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
5854 INIT_LIST_HEAD(&phba
->rb_pend_list
);
5856 phba
->MBslimaddr
= phba
->slim_memmap_p
;
5857 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
5858 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
5859 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
5860 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
5865 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
5866 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
5868 iounmap(phba
->ctrl_regs_memmap_p
);
5870 iounmap(phba
->slim_memmap_p
);
5876 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
5877 * @phba: pointer to lpfc hba data structure.
5879 * This routine is invoked to unset the PCI device memory space for device
5880 * with SLI-3 interface spec.
5883 lpfc_sli_pci_mem_unset(struct lpfc_hba
*phba
)
5885 struct pci_dev
*pdev
;
5887 /* Obtain PCI device reference */
5891 pdev
= phba
->pcidev
;
5893 /* Free coherent DMA memory allocated */
5894 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
5895 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
5896 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
5897 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
5899 /* I/O memory unmap */
5900 iounmap(phba
->ctrl_regs_memmap_p
);
5901 iounmap(phba
->slim_memmap_p
);
5907 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
5908 * @phba: pointer to lpfc hba data structure.
5910 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
5911 * done and check status.
5913 * Return 0 if successful, otherwise -ENODEV.
5916 lpfc_sli4_post_status_check(struct lpfc_hba
*phba
)
5918 struct lpfc_register portsmphr_reg
, uerrlo_reg
, uerrhi_reg
;
5919 struct lpfc_register reg_data
;
5920 int i
, port_error
= 0;
5923 memset(&portsmphr_reg
, 0, sizeof(portsmphr_reg
));
5924 memset(®_data
, 0, sizeof(reg_data
));
5925 if (!phba
->sli4_hba
.PSMPHRregaddr
)
5928 /* Wait up to 30 seconds for the SLI Port POST done and ready */
5929 for (i
= 0; i
< 3000; i
++) {
5930 if (lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
5931 &portsmphr_reg
.word0
) ||
5932 (bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
))) {
5933 /* Port has a fatal POST error, break out */
5934 port_error
= -ENODEV
;
5937 if (LPFC_POST_STAGE_PORT_READY
==
5938 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
))
5944 * If there was a port error during POST, then don't proceed with
5945 * other register reads as the data may not be valid. Just exit.
5948 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5949 "1408 Port Failed POST - portsmphr=0x%x, "
5950 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
5951 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
5952 portsmphr_reg
.word0
,
5953 bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
),
5954 bf_get(lpfc_port_smphr_sfi
, &portsmphr_reg
),
5955 bf_get(lpfc_port_smphr_nip
, &portsmphr_reg
),
5956 bf_get(lpfc_port_smphr_ipc
, &portsmphr_reg
),
5957 bf_get(lpfc_port_smphr_scr1
, &portsmphr_reg
),
5958 bf_get(lpfc_port_smphr_scr2
, &portsmphr_reg
),
5959 bf_get(lpfc_port_smphr_host_scratch
, &portsmphr_reg
),
5960 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
));
5962 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5963 "2534 Device Info: SLIFamily=0x%x, "
5964 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
5965 "SLIHint_2=0x%x, FT=0x%x\n",
5966 bf_get(lpfc_sli_intf_sli_family
,
5967 &phba
->sli4_hba
.sli_intf
),
5968 bf_get(lpfc_sli_intf_slirev
,
5969 &phba
->sli4_hba
.sli_intf
),
5970 bf_get(lpfc_sli_intf_if_type
,
5971 &phba
->sli4_hba
.sli_intf
),
5972 bf_get(lpfc_sli_intf_sli_hint1
,
5973 &phba
->sli4_hba
.sli_intf
),
5974 bf_get(lpfc_sli_intf_sli_hint2
,
5975 &phba
->sli4_hba
.sli_intf
),
5976 bf_get(lpfc_sli_intf_func_type
,
5977 &phba
->sli4_hba
.sli_intf
));
5979 * Check for other Port errors during the initialization
5980 * process. Fail the load if the port did not come up
5983 if_type
= bf_get(lpfc_sli_intf_if_type
,
5984 &phba
->sli4_hba
.sli_intf
);
5986 case LPFC_SLI_INTF_IF_TYPE_0
:
5987 phba
->sli4_hba
.ue_mask_lo
=
5988 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
);
5989 phba
->sli4_hba
.ue_mask_hi
=
5990 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
);
5992 readl(phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
);
5994 readl(phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
);
5995 if ((~phba
->sli4_hba
.ue_mask_lo
& uerrlo_reg
.word0
) ||
5996 (~phba
->sli4_hba
.ue_mask_hi
& uerrhi_reg
.word0
)) {
5997 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5998 "1422 Unrecoverable Error "
5999 "Detected during POST "
6000 "uerr_lo_reg=0x%x, "
6001 "uerr_hi_reg=0x%x, "
6002 "ue_mask_lo_reg=0x%x, "
6003 "ue_mask_hi_reg=0x%x\n",
6006 phba
->sli4_hba
.ue_mask_lo
,
6007 phba
->sli4_hba
.ue_mask_hi
);
6008 port_error
= -ENODEV
;
6011 case LPFC_SLI_INTF_IF_TYPE_2
:
6012 /* Final checks. The port status should be clean. */
6013 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
6015 (bf_get(lpfc_sliport_status_err
, ®_data
) &&
6016 !bf_get(lpfc_sliport_status_rn
, ®_data
))) {
6017 phba
->work_status
[0] =
6018 readl(phba
->sli4_hba
.u
.if_type2
.
6020 phba
->work_status
[1] =
6021 readl(phba
->sli4_hba
.u
.if_type2
.
6023 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6024 "2888 Unrecoverable port error "
6025 "following POST: port status reg "
6026 "0x%x, port_smphr reg 0x%x, "
6027 "error 1=0x%x, error 2=0x%x\n",
6029 portsmphr_reg
.word0
,
6030 phba
->work_status
[0],
6031 phba
->work_status
[1]);
6032 port_error
= -ENODEV
;
6035 case LPFC_SLI_INTF_IF_TYPE_1
:
6044 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
6045 * @phba: pointer to lpfc hba data structure.
6046 * @if_type: The SLI4 interface type getting configured.
6048 * This routine is invoked to set up SLI4 BAR0 PCI config space register
6052 lpfc_sli4_bar0_register_memmap(struct lpfc_hba
*phba
, uint32_t if_type
)
6055 case LPFC_SLI_INTF_IF_TYPE_0
:
6056 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
=
6057 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_LO
;
6058 phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
=
6059 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_HI
;
6060 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
=
6061 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_LO
;
6062 phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
=
6063 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_HI
;
6064 phba
->sli4_hba
.SLIINTFregaddr
=
6065 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
6067 case LPFC_SLI_INTF_IF_TYPE_2
:
6068 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
=
6069 phba
->sli4_hba
.conf_regs_memmap_p
+
6070 LPFC_CTL_PORT_ER1_OFFSET
;
6071 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
=
6072 phba
->sli4_hba
.conf_regs_memmap_p
+
6073 LPFC_CTL_PORT_ER2_OFFSET
;
6074 phba
->sli4_hba
.u
.if_type2
.CTRLregaddr
=
6075 phba
->sli4_hba
.conf_regs_memmap_p
+
6076 LPFC_CTL_PORT_CTL_OFFSET
;
6077 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
=
6078 phba
->sli4_hba
.conf_regs_memmap_p
+
6079 LPFC_CTL_PORT_STA_OFFSET
;
6080 phba
->sli4_hba
.SLIINTFregaddr
=
6081 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
6082 phba
->sli4_hba
.PSMPHRregaddr
=
6083 phba
->sli4_hba
.conf_regs_memmap_p
+
6084 LPFC_CTL_PORT_SEM_OFFSET
;
6085 phba
->sli4_hba
.RQDBregaddr
=
6086 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_RQ_DOORBELL
;
6087 phba
->sli4_hba
.WQDBregaddr
=
6088 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_WQ_DOORBELL
;
6089 phba
->sli4_hba
.EQCQDBregaddr
=
6090 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_EQCQ_DOORBELL
;
6091 phba
->sli4_hba
.MQDBregaddr
=
6092 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_MQ_DOORBELL
;
6093 phba
->sli4_hba
.BMBXregaddr
=
6094 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_BMBX
;
6096 case LPFC_SLI_INTF_IF_TYPE_1
:
6098 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
6099 "FATAL - unsupported SLI4 interface type - %d\n",
6106 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
6107 * @phba: pointer to lpfc hba data structure.
6109 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
6113 lpfc_sli4_bar1_register_memmap(struct lpfc_hba
*phba
)
6115 phba
->sli4_hba
.PSMPHRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6116 LPFC_SLIPORT_IF0_SMPHR
;
6117 phba
->sli4_hba
.ISRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6119 phba
->sli4_hba
.IMRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6121 phba
->sli4_hba
.ISCRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6126 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
6127 * @phba: pointer to lpfc hba data structure.
6128 * @vf: virtual function number
6130 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
6131 * based on the given viftual function number, @vf.
6133 * Return 0 if successful, otherwise -ENODEV.
6136 lpfc_sli4_bar2_register_memmap(struct lpfc_hba
*phba
, uint32_t vf
)
6138 if (vf
> LPFC_VIR_FUNC_MAX
)
6141 phba
->sli4_hba
.RQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6142 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_RQ_DOORBELL
);
6143 phba
->sli4_hba
.WQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6144 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_WQ_DOORBELL
);
6145 phba
->sli4_hba
.EQCQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6146 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_EQCQ_DOORBELL
);
6147 phba
->sli4_hba
.MQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6148 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_MQ_DOORBELL
);
6149 phba
->sli4_hba
.BMBXregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6150 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_BMBX
);
6155 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
6156 * @phba: pointer to lpfc hba data structure.
6158 * This routine is invoked to create the bootstrap mailbox
6159 * region consistent with the SLI-4 interface spec. This
6160 * routine allocates all memory necessary to communicate
6161 * mailbox commands to the port and sets up all alignment
6162 * needs. No locks are expected to be held when calling
6167 * -ENOMEM - could not allocated memory.
6170 lpfc_create_bootstrap_mbox(struct lpfc_hba
*phba
)
6173 struct lpfc_dmabuf
*dmabuf
;
6174 struct dma_address
*dma_address
;
6178 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
6183 * The bootstrap mailbox region is comprised of 2 parts
6184 * plus an alignment restriction of 16 bytes.
6186 bmbx_size
= sizeof(struct lpfc_bmbx_create
) + (LPFC_ALIGN_16_BYTE
- 1);
6187 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
6191 if (!dmabuf
->virt
) {
6195 memset(dmabuf
->virt
, 0, bmbx_size
);
6198 * Initialize the bootstrap mailbox pointers now so that the register
6199 * operations are simple later. The mailbox dma address is required
6200 * to be 16-byte aligned. Also align the virtual memory as each
6201 * maibox is copied into the bmbx mailbox region before issuing the
6202 * command to the port.
6204 phba
->sli4_hba
.bmbx
.dmabuf
= dmabuf
;
6205 phba
->sli4_hba
.bmbx
.bmbx_size
= bmbx_size
;
6207 phba
->sli4_hba
.bmbx
.avirt
= PTR_ALIGN(dmabuf
->virt
,
6208 LPFC_ALIGN_16_BYTE
);
6209 phba
->sli4_hba
.bmbx
.aphys
= ALIGN(dmabuf
->phys
,
6210 LPFC_ALIGN_16_BYTE
);
6213 * Set the high and low physical addresses now. The SLI4 alignment
6214 * requirement is 16 bytes and the mailbox is posted to the port
6215 * as two 30-bit addresses. The other data is a bit marking whether
6216 * the 30-bit address is the high or low address.
6217 * Upcast bmbx aphys to 64bits so shift instruction compiles
6218 * clean on 32 bit machines.
6220 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
6221 phys_addr
= (uint64_t)phba
->sli4_hba
.bmbx
.aphys
;
6222 pa_addr
= (uint32_t) ((phys_addr
>> 34) & 0x3fffffff);
6223 dma_address
->addr_hi
= (uint32_t) ((pa_addr
<< 2) |
6224 LPFC_BMBX_BIT1_ADDR_HI
);
6226 pa_addr
= (uint32_t) ((phba
->sli4_hba
.bmbx
.aphys
>> 4) & 0x3fffffff);
6227 dma_address
->addr_lo
= (uint32_t) ((pa_addr
<< 2) |
6228 LPFC_BMBX_BIT1_ADDR_LO
);
6233 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
6234 * @phba: pointer to lpfc hba data structure.
6236 * This routine is invoked to teardown the bootstrap mailbox
6237 * region and release all host resources. This routine requires
6238 * the caller to ensure all mailbox commands recovered, no
6239 * additional mailbox comands are sent, and interrupts are disabled
6240 * before calling this routine.
6244 lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*phba
)
6246 dma_free_coherent(&phba
->pcidev
->dev
,
6247 phba
->sli4_hba
.bmbx
.bmbx_size
,
6248 phba
->sli4_hba
.bmbx
.dmabuf
->virt
,
6249 phba
->sli4_hba
.bmbx
.dmabuf
->phys
);
6251 kfree(phba
->sli4_hba
.bmbx
.dmabuf
);
6252 memset(&phba
->sli4_hba
.bmbx
, 0, sizeof(struct lpfc_bmbx
));
6256 * lpfc_sli4_read_config - Get the config parameters.
6257 * @phba: pointer to lpfc hba data structure.
6259 * This routine is invoked to read the configuration parameters from the HBA.
6260 * The configuration parameters are used to set the base and maximum values
6261 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
6262 * allocation for the port.
6266 * -ENOMEM - No available memory
6267 * -EIO - The mailbox failed to complete successfully.
6270 lpfc_sli4_read_config(struct lpfc_hba
*phba
)
6273 struct lpfc_mbx_read_config
*rd_config
;
6274 union lpfc_sli4_cfg_shdr
*shdr
;
6275 uint32_t shdr_status
, shdr_add_status
;
6276 struct lpfc_mbx_get_func_cfg
*get_func_cfg
;
6277 struct lpfc_rsrc_desc_fcfcoe
*desc
;
6278 uint32_t desc_count
;
6279 int length
, i
, rc
= 0;
6281 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
6283 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6284 "2011 Unable to allocate memory for issuing "
6285 "SLI_CONFIG_SPECIAL mailbox command\n");
6289 lpfc_read_config(phba
, pmb
);
6291 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6292 if (rc
!= MBX_SUCCESS
) {
6293 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6294 "2012 Mailbox failed , mbxCmd x%x "
6295 "READ_CONFIG, mbxStatus x%x\n",
6296 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6297 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6300 rd_config
= &pmb
->u
.mqe
.un
.rd_config
;
6301 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv
, rd_config
)) {
6302 phba
->sli4_hba
.lnk_info
.lnk_dv
= LPFC_LNK_DAT_VAL
;
6303 phba
->sli4_hba
.lnk_info
.lnk_tp
=
6304 bf_get(lpfc_mbx_rd_conf_lnk_type
, rd_config
);
6305 phba
->sli4_hba
.lnk_info
.lnk_no
=
6306 bf_get(lpfc_mbx_rd_conf_lnk_numb
, rd_config
);
6307 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6308 "3081 lnk_type:%d, lnk_numb:%d\n",
6309 phba
->sli4_hba
.lnk_info
.lnk_tp
,
6310 phba
->sli4_hba
.lnk_info
.lnk_no
);
6312 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
6313 "3082 Mailbox (x%x) returned ldv:x0\n",
6314 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
));
6315 phba
->sli4_hba
.extents_in_use
=
6316 bf_get(lpfc_mbx_rd_conf_extnts_inuse
, rd_config
);
6317 phba
->sli4_hba
.max_cfg_param
.max_xri
=
6318 bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
6319 phba
->sli4_hba
.max_cfg_param
.xri_base
=
6320 bf_get(lpfc_mbx_rd_conf_xri_base
, rd_config
);
6321 phba
->sli4_hba
.max_cfg_param
.max_vpi
=
6322 bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
);
6323 phba
->sli4_hba
.max_cfg_param
.vpi_base
=
6324 bf_get(lpfc_mbx_rd_conf_vpi_base
, rd_config
);
6325 phba
->sli4_hba
.max_cfg_param
.max_rpi
=
6326 bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
6327 phba
->sli4_hba
.max_cfg_param
.rpi_base
=
6328 bf_get(lpfc_mbx_rd_conf_rpi_base
, rd_config
);
6329 phba
->sli4_hba
.max_cfg_param
.max_vfi
=
6330 bf_get(lpfc_mbx_rd_conf_vfi_count
, rd_config
);
6331 phba
->sli4_hba
.max_cfg_param
.vfi_base
=
6332 bf_get(lpfc_mbx_rd_conf_vfi_base
, rd_config
);
6333 phba
->sli4_hba
.max_cfg_param
.max_fcfi
=
6334 bf_get(lpfc_mbx_rd_conf_fcfi_count
, rd_config
);
6335 phba
->sli4_hba
.max_cfg_param
.max_eq
=
6336 bf_get(lpfc_mbx_rd_conf_eq_count
, rd_config
);
6337 phba
->sli4_hba
.max_cfg_param
.max_rq
=
6338 bf_get(lpfc_mbx_rd_conf_rq_count
, rd_config
);
6339 phba
->sli4_hba
.max_cfg_param
.max_wq
=
6340 bf_get(lpfc_mbx_rd_conf_wq_count
, rd_config
);
6341 phba
->sli4_hba
.max_cfg_param
.max_cq
=
6342 bf_get(lpfc_mbx_rd_conf_cq_count
, rd_config
);
6343 phba
->lmt
= bf_get(lpfc_mbx_rd_conf_lmt
, rd_config
);
6344 phba
->sli4_hba
.next_xri
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
6345 phba
->vpi_base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
6346 phba
->vfi_base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
6347 phba
->max_vpi
= (phba
->sli4_hba
.max_cfg_param
.max_vpi
> 0) ?
6348 (phba
->sli4_hba
.max_cfg_param
.max_vpi
- 1) : 0;
6349 phba
->max_vports
= phba
->max_vpi
;
6350 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6351 "2003 cfg params Extents? %d "
6357 phba
->sli4_hba
.extents_in_use
,
6358 phba
->sli4_hba
.max_cfg_param
.xri_base
,
6359 phba
->sli4_hba
.max_cfg_param
.max_xri
,
6360 phba
->sli4_hba
.max_cfg_param
.vpi_base
,
6361 phba
->sli4_hba
.max_cfg_param
.max_vpi
,
6362 phba
->sli4_hba
.max_cfg_param
.vfi_base
,
6363 phba
->sli4_hba
.max_cfg_param
.max_vfi
,
6364 phba
->sli4_hba
.max_cfg_param
.rpi_base
,
6365 phba
->sli4_hba
.max_cfg_param
.max_rpi
,
6366 phba
->sli4_hba
.max_cfg_param
.max_fcfi
);
6372 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
6373 if (phba
->cfg_hba_queue_depth
>
6374 (phba
->sli4_hba
.max_cfg_param
.max_xri
-
6375 lpfc_sli4_get_els_iocb_cnt(phba
)))
6376 phba
->cfg_hba_queue_depth
=
6377 phba
->sli4_hba
.max_cfg_param
.max_xri
-
6378 lpfc_sli4_get_els_iocb_cnt(phba
);
6380 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
6381 LPFC_SLI_INTF_IF_TYPE_2
)
6384 /* get the pf# and vf# for SLI4 if_type 2 port */
6385 length
= (sizeof(struct lpfc_mbx_get_func_cfg
) -
6386 sizeof(struct lpfc_sli4_cfg_mhdr
));
6387 lpfc_sli4_config(phba
, pmb
, LPFC_MBOX_SUBSYSTEM_COMMON
,
6388 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG
,
6389 length
, LPFC_SLI4_MBX_EMBED
);
6391 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6392 shdr
= (union lpfc_sli4_cfg_shdr
*)
6393 &pmb
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
6394 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
6395 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
6396 if (rc
|| shdr_status
|| shdr_add_status
) {
6397 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6398 "3026 Mailbox failed , mbxCmd x%x "
6399 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
6400 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6401 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6406 /* search for fc_fcoe resrouce descriptor */
6407 get_func_cfg
= &pmb
->u
.mqe
.un
.get_func_cfg
;
6408 desc_count
= get_func_cfg
->func_cfg
.rsrc_desc_count
;
6410 for (i
= 0; i
< LPFC_RSRC_DESC_MAX_NUM
; i
++) {
6411 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)
6412 &get_func_cfg
->func_cfg
.desc
[i
];
6413 if (LPFC_RSRC_DESC_TYPE_FCFCOE
==
6414 bf_get(lpfc_rsrc_desc_pcie_type
, desc
)) {
6415 phba
->sli4_hba
.iov
.pf_number
=
6416 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum
, desc
);
6417 phba
->sli4_hba
.iov
.vf_number
=
6418 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum
, desc
);
6423 if (i
< LPFC_RSRC_DESC_MAX_NUM
)
6424 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6425 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
6426 "vf_number:%d\n", phba
->sli4_hba
.iov
.pf_number
,
6427 phba
->sli4_hba
.iov
.vf_number
);
6429 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6430 "3028 GET_FUNCTION_CONFIG: failed to find "
6431 "Resrouce Descriptor:x%x\n",
6432 LPFC_RSRC_DESC_TYPE_FCFCOE
);
6437 mempool_free(pmb
, phba
->mbox_mem_pool
);
6442 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
6443 * @phba: pointer to lpfc hba data structure.
6445 * This routine is invoked to setup the port-side endian order when
6446 * the port if_type is 0. This routine has no function for other
6451 * -ENOMEM - No available memory
6452 * -EIO - The mailbox failed to complete successfully.
6455 lpfc_setup_endian_order(struct lpfc_hba
*phba
)
6457 LPFC_MBOXQ_t
*mboxq
;
6458 uint32_t if_type
, rc
= 0;
6459 uint32_t endian_mb_data
[2] = {HOST_ENDIAN_LOW_WORD0
,
6460 HOST_ENDIAN_HIGH_WORD1
};
6462 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
6464 case LPFC_SLI_INTF_IF_TYPE_0
:
6465 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
6468 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6469 "0492 Unable to allocate memory for "
6470 "issuing SLI_CONFIG_SPECIAL mailbox "
6476 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
6477 * two words to contain special data values and no other data.
6479 memset(mboxq
, 0, sizeof(LPFC_MBOXQ_t
));
6480 memcpy(&mboxq
->u
.mqe
, &endian_mb_data
, sizeof(endian_mb_data
));
6481 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6482 if (rc
!= MBX_SUCCESS
) {
6483 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6484 "0493 SLI_CONFIG_SPECIAL mailbox "
6485 "failed with status x%x\n",
6489 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6491 case LPFC_SLI_INTF_IF_TYPE_2
:
6492 case LPFC_SLI_INTF_IF_TYPE_1
:
6500 * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
6501 * @phba: pointer to lpfc hba data structure.
6503 * This routine is invoked to check the user settable queue counts for EQs and
6504 * CQs. after this routine is called the counts will be set to valid values that
6505 * adhere to the constraints of the system's interrupt vectors and the port's
6510 * -ENOMEM - No available memory
6513 lpfc_sli4_queue_verify(struct lpfc_hba
*phba
)
6515 int cfg_fcp_wq_count
;
6516 int cfg_fcp_eq_count
;
6519 * Sanity check for confiugred queue parameters against the run-time
6523 /* Sanity check on FCP fast-path WQ parameters */
6524 cfg_fcp_wq_count
= phba
->cfg_fcp_wq_count
;
6525 if (cfg_fcp_wq_count
>
6526 (phba
->sli4_hba
.max_cfg_param
.max_wq
- LPFC_SP_WQN_DEF
)) {
6527 cfg_fcp_wq_count
= phba
->sli4_hba
.max_cfg_param
.max_wq
-
6529 if (cfg_fcp_wq_count
< LPFC_FP_WQN_MIN
) {
6530 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6531 "2581 Not enough WQs (%d) from "
6532 "the pci function for supporting "
6534 phba
->sli4_hba
.max_cfg_param
.max_wq
,
6535 phba
->cfg_fcp_wq_count
);
6538 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6539 "2582 Not enough WQs (%d) from the pci "
6540 "function for supporting the requested "
6541 "FCP WQs (%d), the actual FCP WQs can "
6542 "be supported: %d\n",
6543 phba
->sli4_hba
.max_cfg_param
.max_wq
,
6544 phba
->cfg_fcp_wq_count
, cfg_fcp_wq_count
);
6546 /* The actual number of FCP work queues adopted */
6547 phba
->cfg_fcp_wq_count
= cfg_fcp_wq_count
;
6549 /* Sanity check on FCP fast-path EQ parameters */
6550 cfg_fcp_eq_count
= phba
->cfg_fcp_eq_count
;
6551 if (cfg_fcp_eq_count
>
6552 (phba
->sli4_hba
.max_cfg_param
.max_eq
- LPFC_SP_EQN_DEF
)) {
6553 cfg_fcp_eq_count
= phba
->sli4_hba
.max_cfg_param
.max_eq
-
6555 if (cfg_fcp_eq_count
< LPFC_FP_EQN_MIN
) {
6556 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6557 "2574 Not enough EQs (%d) from the "
6558 "pci function for supporting FCP "
6560 phba
->sli4_hba
.max_cfg_param
.max_eq
,
6561 phba
->cfg_fcp_eq_count
);
6564 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6565 "2575 Not enough EQs (%d) from the pci "
6566 "function for supporting the requested "
6567 "FCP EQs (%d), the actual FCP EQs can "
6568 "be supported: %d\n",
6569 phba
->sli4_hba
.max_cfg_param
.max_eq
,
6570 phba
->cfg_fcp_eq_count
, cfg_fcp_eq_count
);
6572 /* It does not make sense to have more EQs than WQs */
6573 if (cfg_fcp_eq_count
> phba
->cfg_fcp_wq_count
) {
6574 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6575 "2593 The FCP EQ count(%d) cannot be greater "
6576 "than the FCP WQ count(%d), limiting the "
6577 "FCP EQ count to %d\n", cfg_fcp_eq_count
,
6578 phba
->cfg_fcp_wq_count
,
6579 phba
->cfg_fcp_wq_count
);
6580 cfg_fcp_eq_count
= phba
->cfg_fcp_wq_count
;
6582 /* The actual number of FCP event queues adopted */
6583 phba
->cfg_fcp_eq_count
= cfg_fcp_eq_count
;
6584 /* The overall number of event queues used */
6585 phba
->sli4_hba
.cfg_eqn
= phba
->cfg_fcp_eq_count
+ LPFC_SP_EQN_DEF
;
6587 /* Get EQ depth from module parameter, fake the default for now */
6588 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
6589 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
6591 /* Get CQ depth from module parameter, fake the default for now */
6592 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
6593 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
6601 * lpfc_sli4_queue_create - Create all the SLI4 queues
6602 * @phba: pointer to lpfc hba data structure.
6604 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
6605 * operation. For each SLI4 queue type, the parameters such as queue entry
6606 * count (queue depth) shall be taken from the module parameter. For now,
6607 * we just use some constant number as place holder.
6611 * -ENOMEM - No availble memory
6612 * -EIO - The mailbox failed to complete successfully.
6615 lpfc_sli4_queue_create(struct lpfc_hba
*phba
)
6617 struct lpfc_queue
*qdesc
;
6618 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
6621 * Create Event Queues (EQs)
6624 /* Create slow path event queue */
6625 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
6626 phba
->sli4_hba
.eq_ecount
);
6628 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6629 "0496 Failed allocate slow-path EQ\n");
6632 phba
->sli4_hba
.sp_eq
= qdesc
;
6635 * Create fast-path FCP Event Queue(s). The cfg_fcp_eq_count can be
6636 * zero whenever there is exactly one interrupt vector. This is not
6639 if (phba
->cfg_fcp_eq_count
) {
6640 phba
->sli4_hba
.fp_eq
= kzalloc((sizeof(struct lpfc_queue
*) *
6641 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
6642 if (!phba
->sli4_hba
.fp_eq
) {
6643 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6644 "2576 Failed allocate memory for "
6645 "fast-path EQ record array\n");
6646 goto out_free_sp_eq
;
6649 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_eq_count
; fcp_eqidx
++) {
6650 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
6651 phba
->sli4_hba
.eq_ecount
);
6653 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6654 "0497 Failed allocate fast-path EQ\n");
6655 goto out_free_fp_eq
;
6657 phba
->sli4_hba
.fp_eq
[fcp_eqidx
] = qdesc
;
6661 * Create Complete Queues (CQs)
6664 /* Create slow-path Mailbox Command Complete Queue */
6665 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6666 phba
->sli4_hba
.cq_ecount
);
6668 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6669 "0500 Failed allocate slow-path mailbox CQ\n");
6670 goto out_free_fp_eq
;
6672 phba
->sli4_hba
.mbx_cq
= qdesc
;
6674 /* Create slow-path ELS Complete Queue */
6675 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6676 phba
->sli4_hba
.cq_ecount
);
6678 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6679 "0501 Failed allocate slow-path ELS CQ\n");
6680 goto out_free_mbx_cq
;
6682 phba
->sli4_hba
.els_cq
= qdesc
;
6686 * Create fast-path FCP Completion Queue(s), one-to-one with FCP EQs.
6687 * If there are no FCP EQs then create exactly one FCP CQ.
6689 if (phba
->cfg_fcp_eq_count
)
6690 phba
->sli4_hba
.fcp_cq
= kzalloc((sizeof(struct lpfc_queue
*) *
6691 phba
->cfg_fcp_eq_count
),
6694 phba
->sli4_hba
.fcp_cq
= kzalloc(sizeof(struct lpfc_queue
*),
6696 if (!phba
->sli4_hba
.fcp_cq
) {
6697 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6698 "2577 Failed allocate memory for fast-path "
6699 "CQ record array\n");
6700 goto out_free_els_cq
;
6704 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6705 phba
->sli4_hba
.cq_ecount
);
6707 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6708 "0499 Failed allocate fast-path FCP "
6709 "CQ (%d)\n", fcp_cqidx
);
6710 goto out_free_fcp_cq
;
6712 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
] = qdesc
;
6713 } while (++fcp_cqidx
< phba
->cfg_fcp_eq_count
);
6715 /* Create Mailbox Command Queue */
6716 phba
->sli4_hba
.mq_esize
= LPFC_MQE_SIZE
;
6717 phba
->sli4_hba
.mq_ecount
= LPFC_MQE_DEF_COUNT
;
6719 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.mq_esize
,
6720 phba
->sli4_hba
.mq_ecount
);
6722 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6723 "0505 Failed allocate slow-path MQ\n");
6724 goto out_free_fcp_cq
;
6726 phba
->sli4_hba
.mbx_wq
= qdesc
;
6729 * Create all the Work Queues (WQs)
6731 phba
->sli4_hba
.wq_esize
= LPFC_WQE_SIZE
;
6732 phba
->sli4_hba
.wq_ecount
= LPFC_WQE_DEF_COUNT
;
6734 /* Create slow-path ELS Work Queue */
6735 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
6736 phba
->sli4_hba
.wq_ecount
);
6738 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6739 "0504 Failed allocate slow-path ELS WQ\n");
6740 goto out_free_mbx_wq
;
6742 phba
->sli4_hba
.els_wq
= qdesc
;
6744 /* Create fast-path FCP Work Queue(s) */
6745 phba
->sli4_hba
.fcp_wq
= kzalloc((sizeof(struct lpfc_queue
*) *
6746 phba
->cfg_fcp_wq_count
), GFP_KERNEL
);
6747 if (!phba
->sli4_hba
.fcp_wq
) {
6748 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6749 "2578 Failed allocate memory for fast-path "
6750 "WQ record array\n");
6751 goto out_free_els_wq
;
6753 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_wq_count
; fcp_wqidx
++) {
6754 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
6755 phba
->sli4_hba
.wq_ecount
);
6757 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6758 "0503 Failed allocate fast-path FCP "
6759 "WQ (%d)\n", fcp_wqidx
);
6760 goto out_free_fcp_wq
;
6762 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
] = qdesc
;
6766 * Create Receive Queue (RQ)
6768 phba
->sli4_hba
.rq_esize
= LPFC_RQE_SIZE
;
6769 phba
->sli4_hba
.rq_ecount
= LPFC_RQE_DEF_COUNT
;
6771 /* Create Receive Queue for header */
6772 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
6773 phba
->sli4_hba
.rq_ecount
);
6775 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6776 "0506 Failed allocate receive HRQ\n");
6777 goto out_free_fcp_wq
;
6779 phba
->sli4_hba
.hdr_rq
= qdesc
;
6781 /* Create Receive Queue for data */
6782 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
6783 phba
->sli4_hba
.rq_ecount
);
6785 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6786 "0507 Failed allocate receive DRQ\n");
6787 goto out_free_hdr_rq
;
6789 phba
->sli4_hba
.dat_rq
= qdesc
;
6794 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
6795 phba
->sli4_hba
.hdr_rq
= NULL
;
6797 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--) {
6798 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
6799 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
] = NULL
;
6801 kfree(phba
->sli4_hba
.fcp_wq
);
6802 phba
->sli4_hba
.fcp_wq
= NULL
;
6804 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
6805 phba
->sli4_hba
.els_wq
= NULL
;
6807 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
6808 phba
->sli4_hba
.mbx_wq
= NULL
;
6810 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--) {
6811 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
6812 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
] = NULL
;
6814 kfree(phba
->sli4_hba
.fcp_cq
);
6815 phba
->sli4_hba
.fcp_cq
= NULL
;
6817 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
6818 phba
->sli4_hba
.els_cq
= NULL
;
6820 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
6821 phba
->sli4_hba
.mbx_cq
= NULL
;
6823 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--) {
6824 lpfc_sli4_queue_free(phba
->sli4_hba
.fp_eq
[fcp_eqidx
]);
6825 phba
->sli4_hba
.fp_eq
[fcp_eqidx
] = NULL
;
6827 kfree(phba
->sli4_hba
.fp_eq
);
6828 phba
->sli4_hba
.fp_eq
= NULL
;
6830 lpfc_sli4_queue_free(phba
->sli4_hba
.sp_eq
);
6831 phba
->sli4_hba
.sp_eq
= NULL
;
6837 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
6838 * @phba: pointer to lpfc hba data structure.
6840 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
6845 * -ENOMEM - No available memory
6846 * -EIO - The mailbox failed to complete successfully.
6849 lpfc_sli4_queue_destroy(struct lpfc_hba
*phba
)
6853 /* Release mailbox command work queue */
6854 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
6855 phba
->sli4_hba
.mbx_wq
= NULL
;
6857 /* Release ELS work queue */
6858 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
6859 phba
->sli4_hba
.els_wq
= NULL
;
6861 /* Release FCP work queue */
6862 if (phba
->sli4_hba
.fcp_wq
!= NULL
)
6863 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_wq_count
;
6865 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
6866 kfree(phba
->sli4_hba
.fcp_wq
);
6867 phba
->sli4_hba
.fcp_wq
= NULL
;
6869 /* Release unsolicited receive queue */
6870 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
6871 phba
->sli4_hba
.hdr_rq
= NULL
;
6872 lpfc_sli4_queue_free(phba
->sli4_hba
.dat_rq
);
6873 phba
->sli4_hba
.dat_rq
= NULL
;
6875 /* Release ELS complete queue */
6876 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
6877 phba
->sli4_hba
.els_cq
= NULL
;
6879 /* Release mailbox command complete queue */
6880 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
6881 phba
->sli4_hba
.mbx_cq
= NULL
;
6883 /* Release FCP response complete queue */
6885 if (phba
->sli4_hba
.fcp_cq
!= NULL
)
6887 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
6888 while (++fcp_qidx
< phba
->cfg_fcp_eq_count
);
6889 kfree(phba
->sli4_hba
.fcp_cq
);
6890 phba
->sli4_hba
.fcp_cq
= NULL
;
6892 /* Release fast-path event queue */
6893 if (phba
->sli4_hba
.fp_eq
!= NULL
)
6894 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
;
6896 lpfc_sli4_queue_free(phba
->sli4_hba
.fp_eq
[fcp_qidx
]);
6897 kfree(phba
->sli4_hba
.fp_eq
);
6898 phba
->sli4_hba
.fp_eq
= NULL
;
6900 /* Release slow-path event queue */
6901 lpfc_sli4_queue_free(phba
->sli4_hba
.sp_eq
);
6902 phba
->sli4_hba
.sp_eq
= NULL
;
6908 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
6909 * @phba: pointer to lpfc hba data structure.
6911 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
6916 * -ENOMEM - No available memory
6917 * -EIO - The mailbox failed to complete successfully.
6920 lpfc_sli4_queue_setup(struct lpfc_hba
*phba
)
6923 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
6924 int fcp_cq_index
= 0;
6927 * Set up Event Queues (EQs)
6930 /* Set up slow-path event queue */
6931 if (!phba
->sli4_hba
.sp_eq
) {
6932 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6933 "0520 Slow-path EQ not allocated\n");
6936 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.sp_eq
,
6939 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6940 "0521 Failed setup of slow-path EQ: "
6944 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6945 "2583 Slow-path EQ setup: queue-id=%d\n",
6946 phba
->sli4_hba
.sp_eq
->queue_id
);
6948 /* Set up fast-path event queue */
6949 if (phba
->cfg_fcp_eq_count
&& !phba
->sli4_hba
.fp_eq
) {
6950 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6951 "3147 Fast-path EQs not allocated\n");
6953 goto out_destroy_sp_eq
;
6955 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_eq_count
; fcp_eqidx
++) {
6956 if (!phba
->sli4_hba
.fp_eq
[fcp_eqidx
]) {
6957 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6958 "0522 Fast-path EQ (%d) not "
6959 "allocated\n", fcp_eqidx
);
6961 goto out_destroy_fp_eq
;
6963 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.fp_eq
[fcp_eqidx
],
6964 phba
->cfg_fcp_imax
);
6966 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6967 "0523 Failed setup of fast-path EQ "
6968 "(%d), rc = 0x%x\n", fcp_eqidx
, rc
);
6969 goto out_destroy_fp_eq
;
6971 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6972 "2584 Fast-path EQ setup: "
6973 "queue[%d]-id=%d\n", fcp_eqidx
,
6974 phba
->sli4_hba
.fp_eq
[fcp_eqidx
]->queue_id
);
6978 * Set up Complete Queues (CQs)
6981 /* Set up slow-path MBOX Complete Queue as the first CQ */
6982 if (!phba
->sli4_hba
.mbx_cq
) {
6983 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6984 "0528 Mailbox CQ not allocated\n");
6986 goto out_destroy_fp_eq
;
6988 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.mbx_cq
, phba
->sli4_hba
.sp_eq
,
6989 LPFC_MCQ
, LPFC_MBOX
);
6991 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6992 "0529 Failed setup of slow-path mailbox CQ: "
6994 goto out_destroy_fp_eq
;
6996 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6997 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
6998 phba
->sli4_hba
.mbx_cq
->queue_id
,
6999 phba
->sli4_hba
.sp_eq
->queue_id
);
7001 /* Set up slow-path ELS Complete Queue */
7002 if (!phba
->sli4_hba
.els_cq
) {
7003 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7004 "0530 ELS CQ not allocated\n");
7006 goto out_destroy_mbx_cq
;
7008 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.els_cq
, phba
->sli4_hba
.sp_eq
,
7009 LPFC_WCQ
, LPFC_ELS
);
7011 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7012 "0531 Failed setup of slow-path ELS CQ: "
7014 goto out_destroy_mbx_cq
;
7016 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7017 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
7018 phba
->sli4_hba
.els_cq
->queue_id
,
7019 phba
->sli4_hba
.sp_eq
->queue_id
);
7021 /* Set up fast-path FCP Response Complete Queue */
7022 if (!phba
->sli4_hba
.fcp_cq
) {
7023 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7024 "3148 Fast-path FCP CQ array not "
7027 goto out_destroy_els_cq
;
7031 if (!phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]) {
7032 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7033 "0526 Fast-path FCP CQ (%d) not "
7034 "allocated\n", fcp_cqidx
);
7036 goto out_destroy_fcp_cq
;
7038 if (phba
->cfg_fcp_eq_count
)
7039 rc
= lpfc_cq_create(phba
,
7040 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
7041 phba
->sli4_hba
.fp_eq
[fcp_cqidx
],
7042 LPFC_WCQ
, LPFC_FCP
);
7044 rc
= lpfc_cq_create(phba
,
7045 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
7046 phba
->sli4_hba
.sp_eq
,
7047 LPFC_WCQ
, LPFC_FCP
);
7049 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7050 "0527 Failed setup of fast-path FCP "
7051 "CQ (%d), rc = 0x%x\n", fcp_cqidx
, rc
);
7052 goto out_destroy_fcp_cq
;
7054 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7055 "2588 FCP CQ setup: cq[%d]-id=%d, "
7056 "parent %seq[%d]-id=%d\n",
7058 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
,
7059 (phba
->cfg_fcp_eq_count
) ? "" : "sp_",
7061 (phba
->cfg_fcp_eq_count
) ?
7062 phba
->sli4_hba
.fp_eq
[fcp_cqidx
]->queue_id
:
7063 phba
->sli4_hba
.sp_eq
->queue_id
);
7064 } while (++fcp_cqidx
< phba
->cfg_fcp_eq_count
);
7067 * Set up all the Work Queues (WQs)
7070 /* Set up Mailbox Command Queue */
7071 if (!phba
->sli4_hba
.mbx_wq
) {
7072 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7073 "0538 Slow-path MQ not allocated\n");
7075 goto out_destroy_fcp_cq
;
7077 rc
= lpfc_mq_create(phba
, phba
->sli4_hba
.mbx_wq
,
7078 phba
->sli4_hba
.mbx_cq
, LPFC_MBOX
);
7080 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7081 "0539 Failed setup of slow-path MQ: "
7083 goto out_destroy_fcp_cq
;
7085 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7086 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
7087 phba
->sli4_hba
.mbx_wq
->queue_id
,
7088 phba
->sli4_hba
.mbx_cq
->queue_id
);
7090 /* Set up slow-path ELS Work Queue */
7091 if (!phba
->sli4_hba
.els_wq
) {
7092 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7093 "0536 Slow-path ELS WQ not allocated\n");
7095 goto out_destroy_mbx_wq
;
7097 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.els_wq
,
7098 phba
->sli4_hba
.els_cq
, LPFC_ELS
);
7100 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7101 "0537 Failed setup of slow-path ELS WQ: "
7103 goto out_destroy_mbx_wq
;
7105 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7106 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
7107 phba
->sli4_hba
.els_wq
->queue_id
,
7108 phba
->sli4_hba
.els_cq
->queue_id
);
7110 /* Set up fast-path FCP Work Queue */
7111 if (!phba
->sli4_hba
.fcp_wq
) {
7112 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7113 "3149 Fast-path FCP WQ array not "
7116 goto out_destroy_els_wq
;
7118 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_wq_count
; fcp_wqidx
++) {
7119 if (!phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]) {
7120 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7121 "0534 Fast-path FCP WQ (%d) not "
7122 "allocated\n", fcp_wqidx
);
7124 goto out_destroy_fcp_wq
;
7126 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
],
7127 phba
->sli4_hba
.fcp_cq
[fcp_cq_index
],
7130 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7131 "0535 Failed setup of fast-path FCP "
7132 "WQ (%d), rc = 0x%x\n", fcp_wqidx
, rc
);
7133 goto out_destroy_fcp_wq
;
7135 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7136 "2591 FCP WQ setup: wq[%d]-id=%d, "
7137 "parent cq[%d]-id=%d\n",
7139 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]->queue_id
,
7141 phba
->sli4_hba
.fcp_cq
[fcp_cq_index
]->queue_id
);
7142 /* Round robin FCP Work Queue's Completion Queue assignment */
7143 if (phba
->cfg_fcp_eq_count
)
7144 fcp_cq_index
= ((fcp_cq_index
+ 1) %
7145 phba
->cfg_fcp_eq_count
);
7149 * Create Receive Queue (RQ)
7151 if (!phba
->sli4_hba
.hdr_rq
|| !phba
->sli4_hba
.dat_rq
) {
7152 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7153 "0540 Receive Queue not allocated\n");
7155 goto out_destroy_fcp_wq
;
7158 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.hdr_rq
, LPFC_ELS_HBQ
);
7159 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.dat_rq
, LPFC_ELS_HBQ
);
7161 rc
= lpfc_rq_create(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
7162 phba
->sli4_hba
.els_cq
, LPFC_USOL
);
7164 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7165 "0541 Failed setup of Receive Queue: "
7167 goto out_destroy_fcp_wq
;
7170 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7171 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
7172 "parent cq-id=%d\n",
7173 phba
->sli4_hba
.hdr_rq
->queue_id
,
7174 phba
->sli4_hba
.dat_rq
->queue_id
,
7175 phba
->sli4_hba
.els_cq
->queue_id
);
7179 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--)
7180 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
7182 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
7184 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
7186 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--)
7187 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
7189 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
7191 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
7193 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--)
7194 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fp_eq
[fcp_eqidx
]);
7196 lpfc_eq_destroy(phba
, phba
->sli4_hba
.sp_eq
);
7202 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
7203 * @phba: pointer to lpfc hba data structure.
7205 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
7210 * -ENOMEM - No available memory
7211 * -EIO - The mailbox failed to complete successfully.
7214 lpfc_sli4_queue_unset(struct lpfc_hba
*phba
)
7218 /* Unset mailbox command work queue */
7219 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
7220 /* Unset ELS work queue */
7221 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
7222 /* Unset unsolicited receive queue */
7223 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
);
7224 /* Unset FCP work queue */
7225 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_wq_count
; fcp_qidx
++)
7226 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
7227 /* Unset mailbox command complete queue */
7228 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
7229 /* Unset ELS complete queue */
7230 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
7231 /* Unset FCP response complete queue */
7232 if (phba
->sli4_hba
.fcp_cq
) {
7235 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
7236 } while (++fcp_qidx
< phba
->cfg_fcp_eq_count
);
7238 /* Unset fast-path event queue */
7239 if (phba
->sli4_hba
.fp_eq
) {
7240 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
;
7242 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fp_eq
[fcp_qidx
]);
7244 /* Unset slow-path event queue */
7245 lpfc_eq_destroy(phba
, phba
->sli4_hba
.sp_eq
);
7249 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
7250 * @phba: pointer to lpfc hba data structure.
7252 * This routine is invoked to allocate and set up a pool of completion queue
7253 * events. The body of the completion queue event is a completion queue entry
7254 * CQE. For now, this pool is used for the interrupt service routine to queue
7255 * the following HBA completion queue events for the worker thread to process:
7256 * - Mailbox asynchronous events
7257 * - Receive queue completion unsolicited events
7258 * Later, this can be used for all the slow-path events.
7262 * -ENOMEM - No available memory
7265 lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*phba
)
7267 struct lpfc_cq_event
*cq_event
;
7270 for (i
= 0; i
< (4 * phba
->sli4_hba
.cq_ecount
); i
++) {
7271 cq_event
= kmalloc(sizeof(struct lpfc_cq_event
), GFP_KERNEL
);
7273 goto out_pool_create_fail
;
7274 list_add_tail(&cq_event
->list
,
7275 &phba
->sli4_hba
.sp_cqe_event_pool
);
7279 out_pool_create_fail
:
7280 lpfc_sli4_cq_event_pool_destroy(phba
);
7285 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
7286 * @phba: pointer to lpfc hba data structure.
7288 * This routine is invoked to free the pool of completion queue events at
7289 * driver unload time. Note that, it is the responsibility of the driver
7290 * cleanup routine to free all the outstanding completion-queue events
7291 * allocated from this pool back into the pool before invoking this routine
7292 * to destroy the pool.
7295 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*phba
)
7297 struct lpfc_cq_event
*cq_event
, *next_cq_event
;
7299 list_for_each_entry_safe(cq_event
, next_cq_event
,
7300 &phba
->sli4_hba
.sp_cqe_event_pool
, list
) {
7301 list_del(&cq_event
->list
);
7307 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7308 * @phba: pointer to lpfc hba data structure.
7310 * This routine is the lock free version of the API invoked to allocate a
7311 * completion-queue event from the free pool.
7313 * Return: Pointer to the newly allocated completion-queue event if successful
7316 struct lpfc_cq_event
*
7317 __lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
7319 struct lpfc_cq_event
*cq_event
= NULL
;
7321 list_remove_head(&phba
->sli4_hba
.sp_cqe_event_pool
, cq_event
,
7322 struct lpfc_cq_event
, list
);
7327 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7328 * @phba: pointer to lpfc hba data structure.
7330 * This routine is the lock version of the API invoked to allocate a
7331 * completion-queue event from the free pool.
7333 * Return: Pointer to the newly allocated completion-queue event if successful
7336 struct lpfc_cq_event
*
7337 lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
7339 struct lpfc_cq_event
*cq_event
;
7340 unsigned long iflags
;
7342 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7343 cq_event
= __lpfc_sli4_cq_event_alloc(phba
);
7344 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7349 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7350 * @phba: pointer to lpfc hba data structure.
7351 * @cq_event: pointer to the completion queue event to be freed.
7353 * This routine is the lock free version of the API invoked to release a
7354 * completion-queue event back into the free pool.
7357 __lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
7358 struct lpfc_cq_event
*cq_event
)
7360 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_cqe_event_pool
);
7364 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7365 * @phba: pointer to lpfc hba data structure.
7366 * @cq_event: pointer to the completion queue event to be freed.
7368 * This routine is the lock version of the API invoked to release a
7369 * completion-queue event back into the free pool.
7372 lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
7373 struct lpfc_cq_event
*cq_event
)
7375 unsigned long iflags
;
7376 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7377 __lpfc_sli4_cq_event_release(phba
, cq_event
);
7378 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7382 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
7383 * @phba: pointer to lpfc hba data structure.
7385 * This routine is to free all the pending completion-queue events to the
7386 * back into the free pool for device reset.
7389 lpfc_sli4_cq_event_release_all(struct lpfc_hba
*phba
)
7392 struct lpfc_cq_event
*cqe
;
7393 unsigned long iflags
;
7395 /* Retrieve all the pending WCQEs from pending WCQE lists */
7396 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7397 /* Pending FCP XRI abort events */
7398 list_splice_init(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
7400 /* Pending ELS XRI abort events */
7401 list_splice_init(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
7403 /* Pending asynnc events */
7404 list_splice_init(&phba
->sli4_hba
.sp_asynce_work_queue
,
7406 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7408 while (!list_empty(&cqelist
)) {
7409 list_remove_head(&cqelist
, cqe
, struct lpfc_cq_event
, list
);
7410 lpfc_sli4_cq_event_release(phba
, cqe
);
7415 * lpfc_pci_function_reset - Reset pci function.
7416 * @phba: pointer to lpfc hba data structure.
7418 * This routine is invoked to request a PCI function reset. It will destroys
7419 * all resources assigned to the PCI function which originates this request.
7423 * -ENOMEM - No available memory
7424 * -EIO - The mailbox failed to complete successfully.
7427 lpfc_pci_function_reset(struct lpfc_hba
*phba
)
7429 LPFC_MBOXQ_t
*mboxq
;
7430 uint32_t rc
= 0, if_type
;
7431 uint32_t shdr_status
, shdr_add_status
;
7432 uint32_t rdy_chk
, num_resets
= 0, reset_again
= 0;
7433 union lpfc_sli4_cfg_shdr
*shdr
;
7434 struct lpfc_register reg_data
;
7437 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7439 case LPFC_SLI_INTF_IF_TYPE_0
:
7440 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
7443 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7444 "0494 Unable to allocate memory for "
7445 "issuing SLI_FUNCTION_RESET mailbox "
7450 /* Setup PCI function reset mailbox-ioctl command */
7451 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7452 LPFC_MBOX_OPCODE_FUNCTION_RESET
, 0,
7453 LPFC_SLI4_MBX_EMBED
);
7454 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7455 shdr
= (union lpfc_sli4_cfg_shdr
*)
7456 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7457 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7458 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
7460 if (rc
!= MBX_TIMEOUT
)
7461 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7462 if (shdr_status
|| shdr_add_status
|| rc
) {
7463 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7464 "0495 SLI_FUNCTION_RESET mailbox "
7465 "failed with status x%x add_status x%x,"
7466 " mbx status x%x\n",
7467 shdr_status
, shdr_add_status
, rc
);
7471 case LPFC_SLI_INTF_IF_TYPE_2
:
7472 for (num_resets
= 0;
7473 num_resets
< MAX_IF_TYPE_2_RESETS
;
7476 bf_set(lpfc_sliport_ctrl_end
, ®_data
,
7477 LPFC_SLIPORT_LITTLE_ENDIAN
);
7478 bf_set(lpfc_sliport_ctrl_ip
, ®_data
,
7479 LPFC_SLIPORT_INIT_PORT
);
7480 writel(reg_data
.word0
, phba
->sli4_hba
.u
.if_type2
.
7483 pci_read_config_word(phba
->pcidev
,
7484 PCI_DEVICE_ID
, &devid
);
7486 * Poll the Port Status Register and wait for RDY for
7487 * up to 10 seconds. If the port doesn't respond, treat
7488 * it as an error. If the port responds with RN, start
7491 for (rdy_chk
= 0; rdy_chk
< 1000; rdy_chk
++) {
7493 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.
7494 STATUSregaddr
, ®_data
.word0
)) {
7498 if (bf_get(lpfc_sliport_status_rn
, ®_data
))
7500 if (bf_get(lpfc_sliport_status_rdy
, ®_data
))
7505 * If the port responds to the init request with
7506 * reset needed, delay for a bit and restart the loop.
7508 if (reset_again
&& (rdy_chk
< 1000)) {
7514 /* Detect any port errors. */
7515 if ((bf_get(lpfc_sliport_status_err
, ®_data
)) ||
7516 (rdy_chk
>= 1000)) {
7517 phba
->work_status
[0] = readl(
7518 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
7519 phba
->work_status
[1] = readl(
7520 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
7521 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7522 "2890 Port error detected during port "
7523 "reset(%d): wait_tmo:%d ms, "
7524 "port status reg 0x%x, "
7525 "error 1=0x%x, error 2=0x%x\n",
7526 num_resets
, rdy_chk
*10,
7528 phba
->work_status
[0],
7529 phba
->work_status
[1]);
7534 * Terminate the outer loop provided the Port indicated
7535 * ready within 10 seconds.
7540 /* delay driver action following IF_TYPE_2 function reset */
7543 case LPFC_SLI_INTF_IF_TYPE_1
:
7549 /* Catch the not-ready port failure after a port reset. */
7550 if (num_resets
>= MAX_IF_TYPE_2_RESETS
)
7557 * lpfc_sli4_send_nop_mbox_cmds - Send sli-4 nop mailbox commands
7558 * @phba: pointer to lpfc hba data structure.
7559 * @cnt: number of nop mailbox commands to send.
7561 * This routine is invoked to send a number @cnt of NOP mailbox command and
7562 * wait for each command to complete.
7564 * Return: the number of NOP mailbox command completed.
7567 lpfc_sli4_send_nop_mbox_cmds(struct lpfc_hba
*phba
, uint32_t cnt
)
7569 LPFC_MBOXQ_t
*mboxq
;
7570 int length
, cmdsent
;
7573 uint32_t shdr_status
, shdr_add_status
;
7574 union lpfc_sli4_cfg_shdr
*shdr
;
7577 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7578 "2518 Requested to send 0 NOP mailbox cmd\n");
7582 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7584 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7585 "2519 Unable to allocate memory for issuing "
7586 "NOP mailbox command\n");
7590 /* Set up NOP SLI4_CONFIG mailbox-ioctl command */
7591 length
= (sizeof(struct lpfc_mbx_nop
) -
7592 sizeof(struct lpfc_sli4_cfg_mhdr
));
7593 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7594 LPFC_MBOX_OPCODE_NOP
, length
, LPFC_SLI4_MBX_EMBED
);
7596 for (cmdsent
= 0; cmdsent
< cnt
; cmdsent
++) {
7597 if (!phba
->sli4_hba
.intr_enable
)
7598 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7600 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
7601 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
7603 if (rc
== MBX_TIMEOUT
)
7605 /* Check return status */
7606 shdr
= (union lpfc_sli4_cfg_shdr
*)
7607 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7608 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7609 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
7611 if (shdr_status
|| shdr_add_status
|| rc
) {
7612 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7613 "2520 NOP mailbox command failed "
7614 "status x%x add_status x%x mbx "
7615 "status x%x\n", shdr_status
,
7616 shdr_add_status
, rc
);
7621 if (rc
!= MBX_TIMEOUT
)
7622 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7628 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
7629 * @phba: pointer to lpfc hba data structure.
7631 * This routine is invoked to set up the PCI device memory space for device
7632 * with SLI-4 interface spec.
7636 * other values - error
7639 lpfc_sli4_pci_mem_setup(struct lpfc_hba
*phba
)
7641 struct pci_dev
*pdev
;
7642 unsigned long bar0map_len
, bar1map_len
, bar2map_len
;
7643 int error
= -ENODEV
;
7646 /* Obtain PCI device reference */
7650 pdev
= phba
->pcidev
;
7652 /* Set the device DMA mask size */
7653 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
7654 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
7655 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
7656 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
7662 * The BARs and register set definitions and offset locations are
7663 * dependent on the if_type.
7665 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
,
7666 &phba
->sli4_hba
.sli_intf
.word0
)) {
7670 /* There is no SLI3 failback for SLI4 devices. */
7671 if (bf_get(lpfc_sli_intf_valid
, &phba
->sli4_hba
.sli_intf
) !=
7672 LPFC_SLI_INTF_VALID
) {
7673 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7674 "2894 SLI_INTF reg contents invalid "
7675 "sli_intf reg 0x%x\n",
7676 phba
->sli4_hba
.sli_intf
.word0
);
7680 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7682 * Get the bus address of SLI4 device Bar regions and the
7683 * number of bytes required by each mapping. The mapping of the
7684 * particular PCI BARs regions is dependent on the type of
7687 if (pci_resource_start(pdev
, 0)) {
7688 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
7689 bar0map_len
= pci_resource_len(pdev
, 0);
7692 * Map SLI4 PCI Config Space Register base to a kernel virtual
7695 phba
->sli4_hba
.conf_regs_memmap_p
=
7696 ioremap(phba
->pci_bar0_map
, bar0map_len
);
7697 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
7698 dev_printk(KERN_ERR
, &pdev
->dev
,
7699 "ioremap failed for SLI4 PCI config "
7703 /* Set up BAR0 PCI config space register memory map */
7704 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
7706 phba
->pci_bar0_map
= pci_resource_start(pdev
, 1);
7707 bar0map_len
= pci_resource_len(pdev
, 1);
7708 if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
7709 dev_printk(KERN_ERR
, &pdev
->dev
,
7710 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
7713 phba
->sli4_hba
.conf_regs_memmap_p
=
7714 ioremap(phba
->pci_bar0_map
, bar0map_len
);
7715 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
7716 dev_printk(KERN_ERR
, &pdev
->dev
,
7717 "ioremap failed for SLI4 PCI config "
7721 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
7724 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
7725 (pci_resource_start(pdev
, 2))) {
7727 * Map SLI4 if type 0 HBA Control Register base to a kernel
7728 * virtual address and setup the registers.
7730 phba
->pci_bar1_map
= pci_resource_start(pdev
, 2);
7731 bar1map_len
= pci_resource_len(pdev
, 2);
7732 phba
->sli4_hba
.ctrl_regs_memmap_p
=
7733 ioremap(phba
->pci_bar1_map
, bar1map_len
);
7734 if (!phba
->sli4_hba
.ctrl_regs_memmap_p
) {
7735 dev_printk(KERN_ERR
, &pdev
->dev
,
7736 "ioremap failed for SLI4 HBA control registers.\n");
7737 goto out_iounmap_conf
;
7739 lpfc_sli4_bar1_register_memmap(phba
);
7742 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
7743 (pci_resource_start(pdev
, 4))) {
7745 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
7746 * virtual address and setup the registers.
7748 phba
->pci_bar2_map
= pci_resource_start(pdev
, 4);
7749 bar2map_len
= pci_resource_len(pdev
, 4);
7750 phba
->sli4_hba
.drbl_regs_memmap_p
=
7751 ioremap(phba
->pci_bar2_map
, bar2map_len
);
7752 if (!phba
->sli4_hba
.drbl_regs_memmap_p
) {
7753 dev_printk(KERN_ERR
, &pdev
->dev
,
7754 "ioremap failed for SLI4 HBA doorbell registers.\n");
7755 goto out_iounmap_ctrl
;
7757 error
= lpfc_sli4_bar2_register_memmap(phba
, LPFC_VF0
);
7759 goto out_iounmap_all
;
7765 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
7767 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
7769 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
7775 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
7776 * @phba: pointer to lpfc hba data structure.
7778 * This routine is invoked to unset the PCI device memory space for device
7779 * with SLI-4 interface spec.
7782 lpfc_sli4_pci_mem_unset(struct lpfc_hba
*phba
)
7785 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7788 case LPFC_SLI_INTF_IF_TYPE_0
:
7789 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
7790 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
7791 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
7793 case LPFC_SLI_INTF_IF_TYPE_2
:
7794 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
7796 case LPFC_SLI_INTF_IF_TYPE_1
:
7798 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
7799 "FATAL - unsupported SLI4 interface type - %d\n",
7806 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
7807 * @phba: pointer to lpfc hba data structure.
7809 * This routine is invoked to enable the MSI-X interrupt vectors to device
7810 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
7811 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
7812 * invoked, enables either all or nothing, depending on the current
7813 * availability of PCI vector resources. The device driver is responsible
7814 * for calling the individual request_irq() to register each MSI-X vector
7815 * with a interrupt handler, which is done in this function. Note that
7816 * later when device is unloading, the driver should always call free_irq()
7817 * on all MSI-X vectors it has done request_irq() on before calling
7818 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
7819 * will be left with MSI-X enabled and leaks its vectors.
7823 * other values - error
7826 lpfc_sli_enable_msix(struct lpfc_hba
*phba
)
7831 /* Set up MSI-X multi-message vectors */
7832 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
7833 phba
->msix_entries
[i
].entry
= i
;
7835 /* Configure MSI-X capability structure */
7836 rc
= pci_enable_msix(phba
->pcidev
, phba
->msix_entries
,
7837 ARRAY_SIZE(phba
->msix_entries
));
7839 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7840 "0420 PCI enable MSI-X failed (%d)\n", rc
);
7843 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
7844 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7845 "0477 MSI-X entry[%d]: vector=x%x "
7847 phba
->msix_entries
[i
].vector
,
7848 phba
->msix_entries
[i
].entry
);
7850 * Assign MSI-X vectors to interrupt handlers
7853 /* vector-0 is associated to slow-path handler */
7854 rc
= request_irq(phba
->msix_entries
[0].vector
,
7855 &lpfc_sli_sp_intr_handler
, IRQF_SHARED
,
7856 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
7858 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7859 "0421 MSI-X slow-path request_irq failed "
7864 /* vector-1 is associated to fast-path handler */
7865 rc
= request_irq(phba
->msix_entries
[1].vector
,
7866 &lpfc_sli_fp_intr_handler
, IRQF_SHARED
,
7867 LPFC_FP_DRIVER_HANDLER_NAME
, phba
);
7870 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7871 "0429 MSI-X fast-path request_irq failed "
7877 * Configure HBA MSI-X attention conditions to messages
7879 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7883 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7884 "0474 Unable to allocate memory for issuing "
7885 "MBOX_CONFIG_MSI command\n");
7888 rc
= lpfc_config_msi(phba
, pmb
);
7891 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
7892 if (rc
!= MBX_SUCCESS
) {
7893 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
7894 "0351 Config MSI mailbox command failed, "
7895 "mbxCmd x%x, mbxStatus x%x\n",
7896 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
);
7900 /* Free memory allocated for mailbox command */
7901 mempool_free(pmb
, phba
->mbox_mem_pool
);
7905 /* Free memory allocated for mailbox command */
7906 mempool_free(pmb
, phba
->mbox_mem_pool
);
7909 /* free the irq already requested */
7910 free_irq(phba
->msix_entries
[1].vector
, phba
);
7913 /* free the irq already requested */
7914 free_irq(phba
->msix_entries
[0].vector
, phba
);
7917 /* Unconfigure MSI-X capability structure */
7918 pci_disable_msix(phba
->pcidev
);
7923 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
7924 * @phba: pointer to lpfc hba data structure.
7926 * This routine is invoked to release the MSI-X vectors and then disable the
7927 * MSI-X interrupt mode to device with SLI-3 interface spec.
7930 lpfc_sli_disable_msix(struct lpfc_hba
*phba
)
7934 /* Free up MSI-X multi-message vectors */
7935 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
7936 free_irq(phba
->msix_entries
[i
].vector
, phba
);
7938 pci_disable_msix(phba
->pcidev
);
7944 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
7945 * @phba: pointer to lpfc hba data structure.
7947 * This routine is invoked to enable the MSI interrupt mode to device with
7948 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
7949 * enable the MSI vector. The device driver is responsible for calling the
7950 * request_irq() to register MSI vector with a interrupt the handler, which
7951 * is done in this function.
7955 * other values - error
7958 lpfc_sli_enable_msi(struct lpfc_hba
*phba
)
7962 rc
= pci_enable_msi(phba
->pcidev
);
7964 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7965 "0462 PCI enable MSI mode success.\n");
7967 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7968 "0471 PCI enable MSI mode failed (%d)\n", rc
);
7972 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
7973 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
7975 pci_disable_msi(phba
->pcidev
);
7976 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7977 "0478 MSI request_irq failed (%d)\n", rc
);
7983 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
7984 * @phba: pointer to lpfc hba data structure.
7986 * This routine is invoked to disable the MSI interrupt mode to device with
7987 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
7988 * done request_irq() on before calling pci_disable_msi(). Failure to do so
7989 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
7993 lpfc_sli_disable_msi(struct lpfc_hba
*phba
)
7995 free_irq(phba
->pcidev
->irq
, phba
);
7996 pci_disable_msi(phba
->pcidev
);
8001 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
8002 * @phba: pointer to lpfc hba data structure.
8004 * This routine is invoked to enable device interrupt and associate driver's
8005 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
8006 * spec. Depends on the interrupt mode configured to the driver, the driver
8007 * will try to fallback from the configured interrupt mode to an interrupt
8008 * mode which is supported by the platform, kernel, and device in the order
8010 * MSI-X -> MSI -> IRQ.
8014 * other values - error
8017 lpfc_sli_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
8019 uint32_t intr_mode
= LPFC_INTR_ERROR
;
8022 if (cfg_mode
== 2) {
8023 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
8024 retval
= lpfc_sli_config_port(phba
, LPFC_SLI_REV3
);
8026 /* Now, try to enable MSI-X interrupt mode */
8027 retval
= lpfc_sli_enable_msix(phba
);
8029 /* Indicate initialization to MSI-X mode */
8030 phba
->intr_type
= MSIX
;
8036 /* Fallback to MSI if MSI-X initialization failed */
8037 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
8038 retval
= lpfc_sli_enable_msi(phba
);
8040 /* Indicate initialization to MSI mode */
8041 phba
->intr_type
= MSI
;
8046 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8047 if (phba
->intr_type
== NONE
) {
8048 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
8049 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8051 /* Indicate initialization to INTx mode */
8052 phba
->intr_type
= INTx
;
8060 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
8061 * @phba: pointer to lpfc hba data structure.
8063 * This routine is invoked to disable device interrupt and disassociate the
8064 * driver's interrupt handler(s) from interrupt vector(s) to device with
8065 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
8066 * release the interrupt vector(s) for the message signaled interrupt.
8069 lpfc_sli_disable_intr(struct lpfc_hba
*phba
)
8071 /* Disable the currently initialized interrupt mode */
8072 if (phba
->intr_type
== MSIX
)
8073 lpfc_sli_disable_msix(phba
);
8074 else if (phba
->intr_type
== MSI
)
8075 lpfc_sli_disable_msi(phba
);
8076 else if (phba
->intr_type
== INTx
)
8077 free_irq(phba
->pcidev
->irq
, phba
);
8079 /* Reset interrupt management states */
8080 phba
->intr_type
= NONE
;
8081 phba
->sli
.slistat
.sli_intr
= 0;
8087 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
8088 * @phba: pointer to lpfc hba data structure.
8090 * This routine is invoked to enable the MSI-X interrupt vectors to device
8091 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
8092 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
8093 * enables either all or nothing, depending on the current availability of
8094 * PCI vector resources. The device driver is responsible for calling the
8095 * individual request_irq() to register each MSI-X vector with a interrupt
8096 * handler, which is done in this function. Note that later when device is
8097 * unloading, the driver should always call free_irq() on all MSI-X vectors
8098 * it has done request_irq() on before calling pci_disable_msix(). Failure
8099 * to do so results in a BUG_ON() and a device will be left with MSI-X
8100 * enabled and leaks its vectors.
8104 * other values - error
8107 lpfc_sli4_enable_msix(struct lpfc_hba
*phba
)
8109 int vectors
, rc
, index
;
8111 /* Set up MSI-X multi-message vectors */
8112 for (index
= 0; index
< phba
->sli4_hba
.cfg_eqn
; index
++)
8113 phba
->sli4_hba
.msix_entries
[index
].entry
= index
;
8115 /* Configure MSI-X capability structure */
8116 vectors
= phba
->sli4_hba
.cfg_eqn
;
8117 enable_msix_vectors
:
8118 rc
= pci_enable_msix(phba
->pcidev
, phba
->sli4_hba
.msix_entries
,
8122 goto enable_msix_vectors
;
8124 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8125 "0484 PCI enable MSI-X failed (%d)\n", rc
);
8129 /* Log MSI-X vector assignment */
8130 for (index
= 0; index
< vectors
; index
++)
8131 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8132 "0489 MSI-X entry[%d]: vector=x%x "
8133 "message=%d\n", index
,
8134 phba
->sli4_hba
.msix_entries
[index
].vector
,
8135 phba
->sli4_hba
.msix_entries
[index
].entry
);
8137 * Assign MSI-X vectors to interrupt handlers
8140 rc
= request_irq(phba
->sli4_hba
.msix_entries
[0].vector
,
8141 &lpfc_sli4_sp_intr_handler
, IRQF_SHARED
,
8142 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
8144 /* All Interrupts need to be handled by one EQ */
8145 rc
= request_irq(phba
->sli4_hba
.msix_entries
[0].vector
,
8146 &lpfc_sli4_intr_handler
, IRQF_SHARED
,
8147 LPFC_DRIVER_NAME
, phba
);
8149 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8150 "0485 MSI-X slow-path request_irq failed "
8155 /* The rest of the vector(s) are associated to fast-path handler(s) */
8156 for (index
= 1; index
< vectors
; index
++) {
8157 phba
->sli4_hba
.fcp_eq_hdl
[index
- 1].idx
= index
- 1;
8158 phba
->sli4_hba
.fcp_eq_hdl
[index
- 1].phba
= phba
;
8159 rc
= request_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
8160 &lpfc_sli4_fp_intr_handler
, IRQF_SHARED
,
8161 LPFC_FP_DRIVER_HANDLER_NAME
,
8162 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
8164 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8165 "0486 MSI-X fast-path (%d) "
8166 "request_irq failed (%d)\n", index
, rc
);
8170 phba
->sli4_hba
.msix_vec_nr
= vectors
;
8175 /* free the irq already requested */
8176 for (--index
; index
>= 1; index
--)
8177 free_irq(phba
->sli4_hba
.msix_entries
[index
- 1].vector
,
8178 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
8180 /* free the irq already requested */
8181 free_irq(phba
->sli4_hba
.msix_entries
[0].vector
, phba
);
8184 /* Unconfigure MSI-X capability structure */
8185 pci_disable_msix(phba
->pcidev
);
8190 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
8191 * @phba: pointer to lpfc hba data structure.
8193 * This routine is invoked to release the MSI-X vectors and then disable the
8194 * MSI-X interrupt mode to device with SLI-4 interface spec.
8197 lpfc_sli4_disable_msix(struct lpfc_hba
*phba
)
8201 /* Free up MSI-X multi-message vectors */
8202 free_irq(phba
->sli4_hba
.msix_entries
[0].vector
, phba
);
8204 for (index
= 1; index
< phba
->sli4_hba
.msix_vec_nr
; index
++)
8205 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
8206 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
8209 pci_disable_msix(phba
->pcidev
);
8215 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
8216 * @phba: pointer to lpfc hba data structure.
8218 * This routine is invoked to enable the MSI interrupt mode to device with
8219 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
8220 * to enable the MSI vector. The device driver is responsible for calling
8221 * the request_irq() to register MSI vector with a interrupt the handler,
8222 * which is done in this function.
8226 * other values - error
8229 lpfc_sli4_enable_msi(struct lpfc_hba
*phba
)
8233 rc
= pci_enable_msi(phba
->pcidev
);
8235 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8236 "0487 PCI enable MSI mode success.\n");
8238 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8239 "0488 PCI enable MSI mode failed (%d)\n", rc
);
8243 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
8244 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8246 pci_disable_msi(phba
->pcidev
);
8247 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8248 "0490 MSI request_irq failed (%d)\n", rc
);
8252 for (index
= 0; index
< phba
->cfg_fcp_eq_count
; index
++) {
8253 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8254 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8261 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
8262 * @phba: pointer to lpfc hba data structure.
8264 * This routine is invoked to disable the MSI interrupt mode to device with
8265 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
8266 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8267 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8271 lpfc_sli4_disable_msi(struct lpfc_hba
*phba
)
8273 free_irq(phba
->pcidev
->irq
, phba
);
8274 pci_disable_msi(phba
->pcidev
);
8279 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
8280 * @phba: pointer to lpfc hba data structure.
8282 * This routine is invoked to enable device interrupt and associate driver's
8283 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
8284 * interface spec. Depends on the interrupt mode configured to the driver,
8285 * the driver will try to fallback from the configured interrupt mode to an
8286 * interrupt mode which is supported by the platform, kernel, and device in
8288 * MSI-X -> MSI -> IRQ.
8292 * other values - error
8295 lpfc_sli4_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
8297 uint32_t intr_mode
= LPFC_INTR_ERROR
;
8300 if (cfg_mode
== 2) {
8301 /* Preparation before conf_msi mbox cmd */
8304 /* Now, try to enable MSI-X interrupt mode */
8305 retval
= lpfc_sli4_enable_msix(phba
);
8307 /* Indicate initialization to MSI-X mode */
8308 phba
->intr_type
= MSIX
;
8314 /* Fallback to MSI if MSI-X initialization failed */
8315 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
8316 retval
= lpfc_sli4_enable_msi(phba
);
8318 /* Indicate initialization to MSI mode */
8319 phba
->intr_type
= MSI
;
8324 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8325 if (phba
->intr_type
== NONE
) {
8326 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
8327 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8329 /* Indicate initialization to INTx mode */
8330 phba
->intr_type
= INTx
;
8332 for (index
= 0; index
< phba
->cfg_fcp_eq_count
;
8334 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8335 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8343 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
8344 * @phba: pointer to lpfc hba data structure.
8346 * This routine is invoked to disable device interrupt and disassociate
8347 * the driver's interrupt handler(s) from interrupt vector(s) to device
8348 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
8349 * will release the interrupt vector(s) for the message signaled interrupt.
8352 lpfc_sli4_disable_intr(struct lpfc_hba
*phba
)
8354 /* Disable the currently initialized interrupt mode */
8355 if (phba
->intr_type
== MSIX
)
8356 lpfc_sli4_disable_msix(phba
);
8357 else if (phba
->intr_type
== MSI
)
8358 lpfc_sli4_disable_msi(phba
);
8359 else if (phba
->intr_type
== INTx
)
8360 free_irq(phba
->pcidev
->irq
, phba
);
8362 /* Reset interrupt management states */
8363 phba
->intr_type
= NONE
;
8364 phba
->sli
.slistat
.sli_intr
= 0;
8370 * lpfc_unset_hba - Unset SLI3 hba device initialization
8371 * @phba: pointer to lpfc hba data structure.
8373 * This routine is invoked to unset the HBA device initialization steps to
8374 * a device with SLI-3 interface spec.
8377 lpfc_unset_hba(struct lpfc_hba
*phba
)
8379 struct lpfc_vport
*vport
= phba
->pport
;
8380 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
8382 spin_lock_irq(shost
->host_lock
);
8383 vport
->load_flag
|= FC_UNLOADING
;
8384 spin_unlock_irq(shost
->host_lock
);
8386 kfree(phba
->vpi_bmask
);
8387 kfree(phba
->vpi_ids
);
8389 lpfc_stop_hba_timers(phba
);
8391 phba
->pport
->work_port_events
= 0;
8393 lpfc_sli_hba_down(phba
);
8395 lpfc_sli_brdrestart(phba
);
8397 lpfc_sli_disable_intr(phba
);
8403 * lpfc_sli4_unset_hba - Unset SLI4 hba device initialization.
8404 * @phba: pointer to lpfc hba data structure.
8406 * This routine is invoked to unset the HBA device initialization steps to
8407 * a device with SLI-4 interface spec.
8410 lpfc_sli4_unset_hba(struct lpfc_hba
*phba
)
8412 struct lpfc_vport
*vport
= phba
->pport
;
8413 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
8415 spin_lock_irq(shost
->host_lock
);
8416 vport
->load_flag
|= FC_UNLOADING
;
8417 spin_unlock_irq(shost
->host_lock
);
8419 phba
->pport
->work_port_events
= 0;
8421 /* Stop the SLI4 device port */
8422 lpfc_stop_port(phba
);
8424 lpfc_sli4_disable_intr(phba
);
8426 /* Reset SLI4 HBA FCoE function */
8427 lpfc_pci_function_reset(phba
);
8428 lpfc_sli4_queue_destroy(phba
);
8434 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
8435 * @phba: Pointer to HBA context object.
8437 * This function is called in the SLI4 code path to wait for completion
8438 * of device's XRIs exchange busy. It will check the XRI exchange busy
8439 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
8440 * that, it will check the XRI exchange busy on outstanding FCP and ELS
8441 * I/Os every 30 seconds, log error message, and wait forever. Only when
8442 * all XRI exchange busy complete, the driver unload shall proceed with
8443 * invoking the function reset ioctl mailbox command to the CNA and the
8444 * the rest of the driver unload resource release.
8447 lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba
*phba
)
8450 int fcp_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
8451 int els_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
8453 while (!fcp_xri_cmpl
|| !els_xri_cmpl
) {
8454 if (wait_time
> LPFC_XRI_EXCH_BUSY_WAIT_TMO
) {
8456 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8457 "2877 FCP XRI exchange busy "
8458 "wait time: %d seconds.\n",
8461 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8462 "2878 ELS XRI exchange busy "
8463 "wait time: %d seconds.\n",
8465 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2
);
8466 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T2
;
8468 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1
);
8469 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T1
;
8472 list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
8474 list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
8479 * lpfc_sli4_hba_unset - Unset the fcoe hba
8480 * @phba: Pointer to HBA context object.
8482 * This function is called in the SLI4 code path to reset the HBA's FCoE
8483 * function. The caller is not required to hold any lock. This routine
8484 * issues PCI function reset mailbox command to reset the FCoE function.
8485 * At the end of the function, it calls lpfc_hba_down_post function to
8486 * free any pending commands.
8489 lpfc_sli4_hba_unset(struct lpfc_hba
*phba
)
8492 LPFC_MBOXQ_t
*mboxq
;
8493 struct pci_dev
*pdev
= phba
->pcidev
;
8495 lpfc_stop_hba_timers(phba
);
8496 phba
->sli4_hba
.intr_enable
= 0;
8499 * Gracefully wait out the potential current outstanding asynchronous
8503 /* First, block any pending async mailbox command from posted */
8504 spin_lock_irq(&phba
->hbalock
);
8505 phba
->sli
.sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
8506 spin_unlock_irq(&phba
->hbalock
);
8507 /* Now, trying to wait it out if we can */
8508 while (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
8510 if (++wait_cnt
> LPFC_ACTIVE_MBOX_WAIT_CNT
)
8513 /* Forcefully release the outstanding mailbox command if timed out */
8514 if (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
8515 spin_lock_irq(&phba
->hbalock
);
8516 mboxq
= phba
->sli
.mbox_active
;
8517 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
8518 __lpfc_mbox_cmpl_put(phba
, mboxq
);
8519 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
8520 phba
->sli
.mbox_active
= NULL
;
8521 spin_unlock_irq(&phba
->hbalock
);
8524 /* Abort all iocbs associated with the hba */
8525 lpfc_sli_hba_iocb_abort(phba
);
8527 /* Wait for completion of device XRI exchange busy */
8528 lpfc_sli4_xri_exchange_busy_wait(phba
);
8530 /* Disable PCI subsystem interrupt */
8531 lpfc_sli4_disable_intr(phba
);
8533 /* Disable SR-IOV if enabled */
8534 if (phba
->cfg_sriov_nr_virtfn
)
8535 pci_disable_sriov(pdev
);
8537 /* Stop kthread signal shall trigger work_done one more time */
8538 kthread_stop(phba
->worker_thread
);
8540 /* Reset SLI4 HBA FCoE function */
8541 lpfc_pci_function_reset(phba
);
8542 lpfc_sli4_queue_destroy(phba
);
8544 /* Stop the SLI4 device port */
8545 phba
->pport
->work_port_events
= 0;
8549 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
8550 * @phba: Pointer to HBA context object.
8551 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8553 * This function is called in the SLI4 code path to read the port's
8554 * sli4 capabilities.
8556 * This function may be be called from any context that can block-wait
8557 * for the completion. The expectation is that this routine is called
8558 * typically from probe_one or from the online routine.
8561 lpfc_pc_sli4_params_get(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
8564 struct lpfc_mqe
*mqe
;
8565 struct lpfc_pc_sli4_params
*sli4_params
;
8569 mqe
= &mboxq
->u
.mqe
;
8571 /* Read the port's SLI4 Parameters port capabilities */
8572 lpfc_pc_sli4_params(mboxq
);
8573 if (!phba
->sli4_hba
.intr_enable
)
8574 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8576 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
8577 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
8583 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
8584 sli4_params
->if_type
= bf_get(if_type
, &mqe
->un
.sli4_params
);
8585 sli4_params
->sli_rev
= bf_get(sli_rev
, &mqe
->un
.sli4_params
);
8586 sli4_params
->sli_family
= bf_get(sli_family
, &mqe
->un
.sli4_params
);
8587 sli4_params
->featurelevel_1
= bf_get(featurelevel_1
,
8588 &mqe
->un
.sli4_params
);
8589 sli4_params
->featurelevel_2
= bf_get(featurelevel_2
,
8590 &mqe
->un
.sli4_params
);
8591 sli4_params
->proto_types
= mqe
->un
.sli4_params
.word3
;
8592 sli4_params
->sge_supp_len
= mqe
->un
.sli4_params
.sge_supp_len
;
8593 sli4_params
->if_page_sz
= bf_get(if_page_sz
, &mqe
->un
.sli4_params
);
8594 sli4_params
->rq_db_window
= bf_get(rq_db_window
, &mqe
->un
.sli4_params
);
8595 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, &mqe
->un
.sli4_params
);
8596 sli4_params
->eq_pages_max
= bf_get(eq_pages
, &mqe
->un
.sli4_params
);
8597 sli4_params
->eqe_size
= bf_get(eqe_size
, &mqe
->un
.sli4_params
);
8598 sli4_params
->cq_pages_max
= bf_get(cq_pages
, &mqe
->un
.sli4_params
);
8599 sli4_params
->cqe_size
= bf_get(cqe_size
, &mqe
->un
.sli4_params
);
8600 sli4_params
->mq_pages_max
= bf_get(mq_pages
, &mqe
->un
.sli4_params
);
8601 sli4_params
->mqe_size
= bf_get(mqe_size
, &mqe
->un
.sli4_params
);
8602 sli4_params
->mq_elem_cnt
= bf_get(mq_elem_cnt
, &mqe
->un
.sli4_params
);
8603 sli4_params
->wq_pages_max
= bf_get(wq_pages
, &mqe
->un
.sli4_params
);
8604 sli4_params
->wqe_size
= bf_get(wqe_size
, &mqe
->un
.sli4_params
);
8605 sli4_params
->rq_pages_max
= bf_get(rq_pages
, &mqe
->un
.sli4_params
);
8606 sli4_params
->rqe_size
= bf_get(rqe_size
, &mqe
->un
.sli4_params
);
8607 sli4_params
->hdr_pages_max
= bf_get(hdr_pages
, &mqe
->un
.sli4_params
);
8608 sli4_params
->hdr_size
= bf_get(hdr_size
, &mqe
->un
.sli4_params
);
8609 sli4_params
->hdr_pp_align
= bf_get(hdr_pp_align
, &mqe
->un
.sli4_params
);
8610 sli4_params
->sgl_pages_max
= bf_get(sgl_pages
, &mqe
->un
.sli4_params
);
8611 sli4_params
->sgl_pp_align
= bf_get(sgl_pp_align
, &mqe
->un
.sli4_params
);
8613 /* Make sure that sge_supp_len can be handled by the driver */
8614 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
8615 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
8621 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
8622 * @phba: Pointer to HBA context object.
8623 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8625 * This function is called in the SLI4 code path to read the port's
8626 * sli4 capabilities.
8628 * This function may be be called from any context that can block-wait
8629 * for the completion. The expectation is that this routine is called
8630 * typically from probe_one or from the online routine.
8633 lpfc_get_sli4_parameters(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
8636 struct lpfc_mqe
*mqe
= &mboxq
->u
.mqe
;
8637 struct lpfc_pc_sli4_params
*sli4_params
;
8640 struct lpfc_sli4_parameters
*mbx_sli4_parameters
;
8643 * By default, the driver assumes the SLI4 port requires RPI
8644 * header postings. The SLI4_PARAM response will correct this
8647 phba
->sli4_hba
.rpi_hdrs_in_use
= 1;
8649 /* Read the port's SLI4 Config Parameters */
8650 length
= (sizeof(struct lpfc_mbx_get_sli4_parameters
) -
8651 sizeof(struct lpfc_sli4_cfg_mhdr
));
8652 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
8653 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS
,
8654 length
, LPFC_SLI4_MBX_EMBED
);
8655 if (!phba
->sli4_hba
.intr_enable
)
8656 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8658 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
8659 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
8663 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
8664 mbx_sli4_parameters
= &mqe
->un
.get_sli4_parameters
.sli4_parameters
;
8665 sli4_params
->if_type
= bf_get(cfg_if_type
, mbx_sli4_parameters
);
8666 sli4_params
->sli_rev
= bf_get(cfg_sli_rev
, mbx_sli4_parameters
);
8667 sli4_params
->sli_family
= bf_get(cfg_sli_family
, mbx_sli4_parameters
);
8668 sli4_params
->featurelevel_1
= bf_get(cfg_sli_hint_1
,
8669 mbx_sli4_parameters
);
8670 sli4_params
->featurelevel_2
= bf_get(cfg_sli_hint_2
,
8671 mbx_sli4_parameters
);
8672 if (bf_get(cfg_phwq
, mbx_sli4_parameters
))
8673 phba
->sli3_options
|= LPFC_SLI4_PHWQ_ENABLED
;
8675 phba
->sli3_options
&= ~LPFC_SLI4_PHWQ_ENABLED
;
8676 sli4_params
->sge_supp_len
= mbx_sli4_parameters
->sge_supp_len
;
8677 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, mbx_sli4_parameters
);
8678 sli4_params
->cqv
= bf_get(cfg_cqv
, mbx_sli4_parameters
);
8679 sli4_params
->mqv
= bf_get(cfg_mqv
, mbx_sli4_parameters
);
8680 sli4_params
->wqv
= bf_get(cfg_wqv
, mbx_sli4_parameters
);
8681 sli4_params
->rqv
= bf_get(cfg_rqv
, mbx_sli4_parameters
);
8682 sli4_params
->sgl_pages_max
= bf_get(cfg_sgl_page_cnt
,
8683 mbx_sli4_parameters
);
8684 sli4_params
->sgl_pp_align
= bf_get(cfg_sgl_pp_align
,
8685 mbx_sli4_parameters
);
8686 phba
->sli4_hba
.extents_in_use
= bf_get(cfg_ext
, mbx_sli4_parameters
);
8687 phba
->sli4_hba
.rpi_hdrs_in_use
= bf_get(cfg_hdrr
, mbx_sli4_parameters
);
8689 /* Make sure that sge_supp_len can be handled by the driver */
8690 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
8691 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
8697 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
8698 * @pdev: pointer to PCI device
8699 * @pid: pointer to PCI device identifier
8701 * This routine is to be called to attach a device with SLI-3 interface spec
8702 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8703 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
8704 * information of the device and driver to see if the driver state that it can
8705 * support this kind of device. If the match is successful, the driver core
8706 * invokes this routine. If this routine determines it can claim the HBA, it
8707 * does all the initialization that it needs to do to handle the HBA properly.
8710 * 0 - driver can claim the device
8711 * negative value - driver can not claim the device
8713 static int __devinit
8714 lpfc_pci_probe_one_s3(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
8716 struct lpfc_hba
*phba
;
8717 struct lpfc_vport
*vport
= NULL
;
8718 struct Scsi_Host
*shost
= NULL
;
8720 uint32_t cfg_mode
, intr_mode
;
8722 /* Allocate memory for HBA structure */
8723 phba
= lpfc_hba_alloc(pdev
);
8727 /* Perform generic PCI device enabling operation */
8728 error
= lpfc_enable_pci_dev(phba
);
8732 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
8733 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_LP
);
8735 goto out_disable_pci_dev
;
8737 /* Set up SLI-3 specific device PCI memory space */
8738 error
= lpfc_sli_pci_mem_setup(phba
);
8740 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8741 "1402 Failed to set up pci memory space.\n");
8742 goto out_disable_pci_dev
;
8745 /* Set up phase-1 common device driver resources */
8746 error
= lpfc_setup_driver_resource_phase1(phba
);
8748 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8749 "1403 Failed to set up driver resource.\n");
8750 goto out_unset_pci_mem_s3
;
8753 /* Set up SLI-3 specific device driver resources */
8754 error
= lpfc_sli_driver_resource_setup(phba
);
8756 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8757 "1404 Failed to set up driver resource.\n");
8758 goto out_unset_pci_mem_s3
;
8761 /* Initialize and populate the iocb list per host */
8762 error
= lpfc_init_iocb_list(phba
, LPFC_IOCB_LIST_CNT
);
8764 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8765 "1405 Failed to initialize iocb list.\n");
8766 goto out_unset_driver_resource_s3
;
8769 /* Set up common device driver resources */
8770 error
= lpfc_setup_driver_resource_phase2(phba
);
8772 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8773 "1406 Failed to set up driver resource.\n");
8774 goto out_free_iocb_list
;
8777 /* Get the default values for Model Name and Description */
8778 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
8780 /* Create SCSI host to the physical port */
8781 error
= lpfc_create_shost(phba
);
8783 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8784 "1407 Failed to create scsi host.\n");
8785 goto out_unset_driver_resource
;
8788 /* Configure sysfs attributes */
8789 vport
= phba
->pport
;
8790 error
= lpfc_alloc_sysfs_attr(vport
);
8792 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8793 "1476 Failed to allocate sysfs attr\n");
8794 goto out_destroy_shost
;
8797 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
8798 /* Now, trying to enable interrupt and bring up the device */
8799 cfg_mode
= phba
->cfg_use_msi
;
8801 /* Put device to a known state before enabling interrupt */
8802 lpfc_stop_port(phba
);
8803 /* Configure and enable interrupt */
8804 intr_mode
= lpfc_sli_enable_intr(phba
, cfg_mode
);
8805 if (intr_mode
== LPFC_INTR_ERROR
) {
8806 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8807 "0431 Failed to enable interrupt.\n");
8809 goto out_free_sysfs_attr
;
8811 /* SLI-3 HBA setup */
8812 if (lpfc_sli_hba_setup(phba
)) {
8813 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8814 "1477 Failed to set up hba\n");
8816 goto out_remove_device
;
8819 /* Wait 50ms for the interrupts of previous mailbox commands */
8821 /* Check active interrupts on message signaled interrupts */
8822 if (intr_mode
== 0 ||
8823 phba
->sli
.slistat
.sli_intr
> LPFC_MSIX_VECTORS
) {
8824 /* Log the current active interrupt mode */
8825 phba
->intr_mode
= intr_mode
;
8826 lpfc_log_intr_mode(phba
, intr_mode
);
8829 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8830 "0447 Configure interrupt mode (%d) "
8831 "failed active interrupt test.\n",
8833 /* Disable the current interrupt mode */
8834 lpfc_sli_disable_intr(phba
);
8835 /* Try next level of interrupt mode */
8836 cfg_mode
= --intr_mode
;
8840 /* Perform post initialization setup */
8841 lpfc_post_init_setup(phba
);
8843 /* Check if there are static vports to be created. */
8844 lpfc_create_static_vport(phba
);
8849 lpfc_unset_hba(phba
);
8850 out_free_sysfs_attr
:
8851 lpfc_free_sysfs_attr(vport
);
8853 lpfc_destroy_shost(phba
);
8854 out_unset_driver_resource
:
8855 lpfc_unset_driver_resource_phase2(phba
);
8857 lpfc_free_iocb_list(phba
);
8858 out_unset_driver_resource_s3
:
8859 lpfc_sli_driver_resource_unset(phba
);
8860 out_unset_pci_mem_s3
:
8861 lpfc_sli_pci_mem_unset(phba
);
8862 out_disable_pci_dev
:
8863 lpfc_disable_pci_dev(phba
);
8865 scsi_host_put(shost
);
8867 lpfc_hba_free(phba
);
8872 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
8873 * @pdev: pointer to PCI device
8875 * This routine is to be called to disattach a device with SLI-3 interface
8876 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8877 * removed from PCI bus, it performs all the necessary cleanup for the HBA
8878 * device to be removed from the PCI subsystem properly.
8880 static void __devexit
8881 lpfc_pci_remove_one_s3(struct pci_dev
*pdev
)
8883 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8884 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
8885 struct lpfc_vport
**vports
;
8886 struct lpfc_hba
*phba
= vport
->phba
;
8888 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
8890 spin_lock_irq(&phba
->hbalock
);
8891 vport
->load_flag
|= FC_UNLOADING
;
8892 spin_unlock_irq(&phba
->hbalock
);
8894 lpfc_free_sysfs_attr(vport
);
8896 /* Release all the vports against this physical port */
8897 vports
= lpfc_create_vport_work_array(phba
);
8899 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
8900 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
8902 fc_vport_terminate(vports
[i
]->fc_vport
);
8904 lpfc_destroy_vport_work_array(phba
, vports
);
8906 /* Remove FC host and then SCSI host with the physical port */
8907 fc_remove_host(shost
);
8908 scsi_remove_host(shost
);
8909 lpfc_cleanup(vport
);
8912 * Bring down the SLI Layer. This step disable all interrupts,
8913 * clears the rings, discards all mailbox commands, and resets
8917 /* HBA interrupt will be disabled after this call */
8918 lpfc_sli_hba_down(phba
);
8919 /* Stop kthread signal shall trigger work_done one more time */
8920 kthread_stop(phba
->worker_thread
);
8921 /* Final cleanup of txcmplq and reset the HBA */
8922 lpfc_sli_brdrestart(phba
);
8924 kfree(phba
->vpi_bmask
);
8925 kfree(phba
->vpi_ids
);
8927 lpfc_stop_hba_timers(phba
);
8928 spin_lock_irq(&phba
->hbalock
);
8929 list_del_init(&vport
->listentry
);
8930 spin_unlock_irq(&phba
->hbalock
);
8932 lpfc_debugfs_terminate(vport
);
8934 /* Disable SR-IOV if enabled */
8935 if (phba
->cfg_sriov_nr_virtfn
)
8936 pci_disable_sriov(pdev
);
8938 /* Disable interrupt */
8939 lpfc_sli_disable_intr(phba
);
8941 pci_set_drvdata(pdev
, NULL
);
8942 scsi_host_put(shost
);
8945 * Call scsi_free before mem_free since scsi bufs are released to their
8946 * corresponding pools here.
8948 lpfc_scsi_free(phba
);
8949 lpfc_mem_free_all(phba
);
8951 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
8952 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
8954 /* Free resources associated with SLI2 interface */
8955 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
8956 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
8958 /* unmap adapter SLIM and Control Registers */
8959 iounmap(phba
->ctrl_regs_memmap_p
);
8960 iounmap(phba
->slim_memmap_p
);
8962 lpfc_hba_free(phba
);
8964 pci_release_selected_regions(pdev
, bars
);
8965 pci_disable_device(pdev
);
8969 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
8970 * @pdev: pointer to PCI device
8971 * @msg: power management message
8973 * This routine is to be called from the kernel's PCI subsystem to support
8974 * system Power Management (PM) to device with SLI-3 interface spec. When
8975 * PM invokes this method, it quiesces the device by stopping the driver's
8976 * worker thread for the device, turning off device's interrupt and DMA,
8977 * and bring the device offline. Note that as the driver implements the
8978 * minimum PM requirements to a power-aware driver's PM support for the
8979 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
8980 * to the suspend() method call will be treated as SUSPEND and the driver will
8981 * fully reinitialize its device during resume() method call, the driver will
8982 * set device to PCI_D3hot state in PCI config space instead of setting it
8983 * according to the @msg provided by the PM.
8986 * 0 - driver suspended the device
8990 lpfc_pci_suspend_one_s3(struct pci_dev
*pdev
, pm_message_t msg
)
8992 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8993 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8995 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8996 "0473 PCI device Power Management suspend.\n");
8998 /* Bring down the device */
8999 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
9001 kthread_stop(phba
->worker_thread
);
9003 /* Disable interrupt from device */
9004 lpfc_sli_disable_intr(phba
);
9006 /* Save device state to PCI config space */
9007 pci_save_state(pdev
);
9008 pci_set_power_state(pdev
, PCI_D3hot
);
9014 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
9015 * @pdev: pointer to PCI device
9017 * This routine is to be called from the kernel's PCI subsystem to support
9018 * system Power Management (PM) to device with SLI-3 interface spec. When PM
9019 * invokes this method, it restores the device's PCI config space state and
9020 * fully reinitializes the device and brings it online. Note that as the
9021 * driver implements the minimum PM requirements to a power-aware driver's
9022 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
9023 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
9024 * driver will fully reinitialize its device during resume() method call,
9025 * the device will be set to PCI_D0 directly in PCI config space before
9026 * restoring the state.
9029 * 0 - driver suspended the device
9033 lpfc_pci_resume_one_s3(struct pci_dev
*pdev
)
9035 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9036 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9040 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9041 "0452 PCI device Power Management resume.\n");
9043 /* Restore device state from PCI config space */
9044 pci_set_power_state(pdev
, PCI_D0
);
9045 pci_restore_state(pdev
);
9048 * As the new kernel behavior of pci_restore_state() API call clears
9049 * device saved_state flag, need to save the restored state again.
9051 pci_save_state(pdev
);
9053 if (pdev
->is_busmaster
)
9054 pci_set_master(pdev
);
9056 /* Startup the kernel thread for this host adapter. */
9057 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
9058 "lpfc_worker_%d", phba
->brd_no
);
9059 if (IS_ERR(phba
->worker_thread
)) {
9060 error
= PTR_ERR(phba
->worker_thread
);
9061 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9062 "0434 PM resume failed to start worker "
9063 "thread: error=x%x.\n", error
);
9067 /* Configure and enable interrupt */
9068 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
9069 if (intr_mode
== LPFC_INTR_ERROR
) {
9070 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9071 "0430 PM resume Failed to enable interrupt\n");
9074 phba
->intr_mode
= intr_mode
;
9076 /* Restart HBA and bring it online */
9077 lpfc_sli_brdrestart(phba
);
9080 /* Log the current active interrupt mode */
9081 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9087 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
9088 * @phba: pointer to lpfc hba data structure.
9090 * This routine is called to prepare the SLI3 device for PCI slot recover. It
9091 * aborts all the outstanding SCSI I/Os to the pci device.
9094 lpfc_sli_prep_dev_for_recover(struct lpfc_hba
*phba
)
9096 struct lpfc_sli
*psli
= &phba
->sli
;
9097 struct lpfc_sli_ring
*pring
;
9099 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9100 "2723 PCI channel I/O abort preparing for recovery\n");
9103 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9104 * and let the SCSI mid-layer to retry them to recover.
9106 pring
= &psli
->ring
[psli
->fcp_ring
];
9107 lpfc_sli_abort_iocb_ring(phba
, pring
);
9111 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
9112 * @phba: pointer to lpfc hba data structure.
9114 * This routine is called to prepare the SLI3 device for PCI slot reset. It
9115 * disables the device interrupt and pci device, and aborts the internal FCP
9119 lpfc_sli_prep_dev_for_reset(struct lpfc_hba
*phba
)
9121 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9122 "2710 PCI channel disable preparing for reset\n");
9124 /* Block any management I/Os to the device */
9125 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
9127 /* Block all SCSI devices' I/Os on the host */
9128 lpfc_scsi_dev_block(phba
);
9130 /* stop all timers */
9131 lpfc_stop_hba_timers(phba
);
9133 /* Disable interrupt and pci device */
9134 lpfc_sli_disable_intr(phba
);
9135 pci_disable_device(phba
->pcidev
);
9137 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9138 lpfc_sli_flush_fcp_rings(phba
);
9142 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
9143 * @phba: pointer to lpfc hba data structure.
9145 * This routine is called to prepare the SLI3 device for PCI slot permanently
9146 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9150 lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
9152 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9153 "2711 PCI channel permanent disable for failure\n");
9154 /* Block all SCSI devices' I/Os on the host */
9155 lpfc_scsi_dev_block(phba
);
9157 /* stop all timers */
9158 lpfc_stop_hba_timers(phba
);
9160 /* Clean up all driver's outstanding SCSI I/Os */
9161 lpfc_sli_flush_fcp_rings(phba
);
9165 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
9166 * @pdev: pointer to PCI device.
9167 * @state: the current PCI connection state.
9169 * This routine is called from the PCI subsystem for I/O error handling to
9170 * device with SLI-3 interface spec. This function is called by the PCI
9171 * subsystem after a PCI bus error affecting this device has been detected.
9172 * When this function is invoked, it will need to stop all the I/Os and
9173 * interrupt(s) to the device. Once that is done, it will return
9174 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
9178 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
9179 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9180 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9182 static pci_ers_result_t
9183 lpfc_io_error_detected_s3(struct pci_dev
*pdev
, pci_channel_state_t state
)
9185 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9186 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9189 case pci_channel_io_normal
:
9190 /* Non-fatal error, prepare for recovery */
9191 lpfc_sli_prep_dev_for_recover(phba
);
9192 return PCI_ERS_RESULT_CAN_RECOVER
;
9193 case pci_channel_io_frozen
:
9194 /* Fatal error, prepare for slot reset */
9195 lpfc_sli_prep_dev_for_reset(phba
);
9196 return PCI_ERS_RESULT_NEED_RESET
;
9197 case pci_channel_io_perm_failure
:
9198 /* Permanent failure, prepare for device down */
9199 lpfc_sli_prep_dev_for_perm_failure(phba
);
9200 return PCI_ERS_RESULT_DISCONNECT
;
9202 /* Unknown state, prepare and request slot reset */
9203 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9204 "0472 Unknown PCI error state: x%x\n", state
);
9205 lpfc_sli_prep_dev_for_reset(phba
);
9206 return PCI_ERS_RESULT_NEED_RESET
;
9211 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
9212 * @pdev: pointer to PCI device.
9214 * This routine is called from the PCI subsystem for error handling to
9215 * device with SLI-3 interface spec. This is called after PCI bus has been
9216 * reset to restart the PCI card from scratch, as if from a cold-boot.
9217 * During the PCI subsystem error recovery, after driver returns
9218 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
9219 * recovery and then call this routine before calling the .resume method
9220 * to recover the device. This function will initialize the HBA device,
9221 * enable the interrupt, but it will just put the HBA to offline state
9222 * without passing any I/O traffic.
9225 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9226 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9228 static pci_ers_result_t
9229 lpfc_io_slot_reset_s3(struct pci_dev
*pdev
)
9231 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9232 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9233 struct lpfc_sli
*psli
= &phba
->sli
;
9236 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
9237 if (pci_enable_device_mem(pdev
)) {
9238 printk(KERN_ERR
"lpfc: Cannot re-enable "
9239 "PCI device after reset.\n");
9240 return PCI_ERS_RESULT_DISCONNECT
;
9243 pci_restore_state(pdev
);
9246 * As the new kernel behavior of pci_restore_state() API call clears
9247 * device saved_state flag, need to save the restored state again.
9249 pci_save_state(pdev
);
9251 if (pdev
->is_busmaster
)
9252 pci_set_master(pdev
);
9254 spin_lock_irq(&phba
->hbalock
);
9255 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
9256 spin_unlock_irq(&phba
->hbalock
);
9258 /* Configure and enable interrupt */
9259 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
9260 if (intr_mode
== LPFC_INTR_ERROR
) {
9261 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9262 "0427 Cannot re-enable interrupt after "
9264 return PCI_ERS_RESULT_DISCONNECT
;
9266 phba
->intr_mode
= intr_mode
;
9268 /* Take device offline, it will perform cleanup */
9269 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
9271 lpfc_sli_brdrestart(phba
);
9273 /* Log the current active interrupt mode */
9274 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9276 return PCI_ERS_RESULT_RECOVERED
;
9280 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
9281 * @pdev: pointer to PCI device
9283 * This routine is called from the PCI subsystem for error handling to device
9284 * with SLI-3 interface spec. It is called when kernel error recovery tells
9285 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
9286 * error recovery. After this call, traffic can start to flow from this device
9290 lpfc_io_resume_s3(struct pci_dev
*pdev
)
9292 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9293 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9295 /* Bring device online, it will be no-op for non-fatal error resume */
9298 /* Clean up Advanced Error Reporting (AER) if needed */
9299 if (phba
->hba_flag
& HBA_AER_ENABLED
)
9300 pci_cleanup_aer_uncorrect_error_status(pdev
);
9304 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
9305 * @phba: pointer to lpfc hba data structure.
9307 * returns the number of ELS/CT IOCBs to reserve
9310 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*phba
)
9312 int max_xri
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
9314 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
9317 else if (max_xri
<= 256)
9319 else if (max_xri
<= 512)
9321 else if (max_xri
<= 1024)
9323 else if (max_xri
<= 1536)
9325 else if (max_xri
<= 2048)
9334 * lpfc_write_firmware - attempt to write a firmware image to the port
9335 * @phba: pointer to lpfc hba data structure.
9336 * @fw: pointer to firmware image returned from request_firmware.
9338 * returns the number of bytes written if write is successful.
9339 * returns a negative error value if there were errors.
9340 * returns 0 if firmware matches currently active firmware on port.
9343 lpfc_write_firmware(struct lpfc_hba
*phba
, const struct firmware
*fw
)
9345 char fwrev
[FW_REV_STR_SIZE
];
9346 struct lpfc_grp_hdr
*image
= (struct lpfc_grp_hdr
*)fw
->data
;
9347 struct list_head dma_buffer_list
;
9349 struct lpfc_dmabuf
*dmabuf
, *next
;
9350 uint32_t offset
= 0, temp_offset
= 0;
9352 INIT_LIST_HEAD(&dma_buffer_list
);
9353 if ((be32_to_cpu(image
->magic_number
) != LPFC_GROUP_OJECT_MAGIC_NUM
) ||
9354 (bf_get_be32(lpfc_grp_hdr_file_type
, image
) !=
9355 LPFC_FILE_TYPE_GROUP
) ||
9356 (bf_get_be32(lpfc_grp_hdr_id
, image
) != LPFC_FILE_ID_GROUP
) ||
9357 (be32_to_cpu(image
->size
) != fw
->size
)) {
9358 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9359 "3022 Invalid FW image found. "
9360 "Magic:%x Type:%x ID:%x\n",
9361 be32_to_cpu(image
->magic_number
),
9362 bf_get_be32(lpfc_grp_hdr_file_type
, image
),
9363 bf_get_be32(lpfc_grp_hdr_id
, image
));
9366 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
9367 if (strncmp(fwrev
, image
->revision
, strnlen(image
->revision
, 16))) {
9368 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9369 "3023 Updating Firmware. Current Version:%s "
9371 fwrev
, image
->revision
);
9372 for (i
= 0; i
< LPFC_MBX_WR_CONFIG_MAX_BDE
; i
++) {
9373 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
),
9379 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
9383 if (!dmabuf
->virt
) {
9388 list_add_tail(&dmabuf
->list
, &dma_buffer_list
);
9390 while (offset
< fw
->size
) {
9391 temp_offset
= offset
;
9392 list_for_each_entry(dmabuf
, &dma_buffer_list
, list
) {
9393 if (temp_offset
+ SLI4_PAGE_SIZE
> fw
->size
) {
9394 memcpy(dmabuf
->virt
,
9395 fw
->data
+ temp_offset
,
9396 fw
->size
- temp_offset
);
9397 temp_offset
= fw
->size
;
9400 memcpy(dmabuf
->virt
, fw
->data
+ temp_offset
,
9402 temp_offset
+= SLI4_PAGE_SIZE
;
9404 rc
= lpfc_wr_object(phba
, &dma_buffer_list
,
9405 (fw
->size
- offset
), &offset
);
9407 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9408 "3024 Firmware update failed. "
9416 list_for_each_entry_safe(dmabuf
, next
, &dma_buffer_list
, list
) {
9417 list_del(&dmabuf
->list
);
9418 dma_free_coherent(&phba
->pcidev
->dev
, SLI4_PAGE_SIZE
,
9419 dmabuf
->virt
, dmabuf
->phys
);
9426 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
9427 * @pdev: pointer to PCI device
9428 * @pid: pointer to PCI device identifier
9430 * This routine is called from the kernel's PCI subsystem to device with
9431 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
9432 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
9433 * information of the device and driver to see if the driver state that it
9434 * can support this kind of device. If the match is successful, the driver
9435 * core invokes this routine. If this routine determines it can claim the HBA,
9436 * it does all the initialization that it needs to do to handle the HBA
9440 * 0 - driver can claim the device
9441 * negative value - driver can not claim the device
9443 static int __devinit
9444 lpfc_pci_probe_one_s4(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
9446 struct lpfc_hba
*phba
;
9447 struct lpfc_vport
*vport
= NULL
;
9448 struct Scsi_Host
*shost
= NULL
;
9450 uint32_t cfg_mode
, intr_mode
;
9452 int adjusted_fcp_eq_count
;
9453 const struct firmware
*fw
;
9454 uint8_t file_name
[16];
9456 /* Allocate memory for HBA structure */
9457 phba
= lpfc_hba_alloc(pdev
);
9461 /* Perform generic PCI device enabling operation */
9462 error
= lpfc_enable_pci_dev(phba
);
9466 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
9467 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_OC
);
9469 goto out_disable_pci_dev
;
9471 /* Set up SLI-4 specific device PCI memory space */
9472 error
= lpfc_sli4_pci_mem_setup(phba
);
9474 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9475 "1410 Failed to set up pci memory space.\n");
9476 goto out_disable_pci_dev
;
9479 /* Set up phase-1 common device driver resources */
9480 error
= lpfc_setup_driver_resource_phase1(phba
);
9482 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9483 "1411 Failed to set up driver resource.\n");
9484 goto out_unset_pci_mem_s4
;
9487 /* Set up SLI-4 Specific device driver resources */
9488 error
= lpfc_sli4_driver_resource_setup(phba
);
9490 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9491 "1412 Failed to set up driver resource.\n");
9492 goto out_unset_pci_mem_s4
;
9495 /* Initialize and populate the iocb list per host */
9497 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9498 "2821 initialize iocb list %d.\n",
9499 phba
->cfg_iocb_cnt
*1024);
9500 error
= lpfc_init_iocb_list(phba
, phba
->cfg_iocb_cnt
*1024);
9503 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9504 "1413 Failed to initialize iocb list.\n");
9505 goto out_unset_driver_resource_s4
;
9508 INIT_LIST_HEAD(&phba
->active_rrq_list
);
9509 INIT_LIST_HEAD(&phba
->fcf
.fcf_pri_list
);
9511 /* Set up common device driver resources */
9512 error
= lpfc_setup_driver_resource_phase2(phba
);
9514 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9515 "1414 Failed to set up driver resource.\n");
9516 goto out_free_iocb_list
;
9519 /* Get the default values for Model Name and Description */
9520 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
9522 /* Create SCSI host to the physical port */
9523 error
= lpfc_create_shost(phba
);
9525 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9526 "1415 Failed to create scsi host.\n");
9527 goto out_unset_driver_resource
;
9530 /* Configure sysfs attributes */
9531 vport
= phba
->pport
;
9532 error
= lpfc_alloc_sysfs_attr(vport
);
9534 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9535 "1416 Failed to allocate sysfs attr\n");
9536 goto out_destroy_shost
;
9539 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
9540 /* Now, trying to enable interrupt and bring up the device */
9541 cfg_mode
= phba
->cfg_use_msi
;
9543 /* Put device to a known state before enabling interrupt */
9544 lpfc_stop_port(phba
);
9545 /* Configure and enable interrupt */
9546 intr_mode
= lpfc_sli4_enable_intr(phba
, cfg_mode
);
9547 if (intr_mode
== LPFC_INTR_ERROR
) {
9548 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9549 "0426 Failed to enable interrupt.\n");
9551 goto out_free_sysfs_attr
;
9553 /* Default to single EQ for non-MSI-X */
9554 if (phba
->intr_type
!= MSIX
)
9555 adjusted_fcp_eq_count
= 0;
9556 else if (phba
->sli4_hba
.msix_vec_nr
<
9557 phba
->cfg_fcp_eq_count
+ 1)
9558 adjusted_fcp_eq_count
= phba
->sli4_hba
.msix_vec_nr
- 1;
9560 adjusted_fcp_eq_count
= phba
->cfg_fcp_eq_count
;
9561 phba
->cfg_fcp_eq_count
= adjusted_fcp_eq_count
;
9562 /* Set up SLI-4 HBA */
9563 if (lpfc_sli4_hba_setup(phba
)) {
9564 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9565 "1421 Failed to set up hba\n");
9567 goto out_disable_intr
;
9570 /* Send NOP mbx cmds for non-INTx mode active interrupt test */
9572 mcnt
= lpfc_sli4_send_nop_mbox_cmds(phba
,
9575 /* Check active interrupts received only for MSI/MSI-X */
9576 if (intr_mode
== 0 ||
9577 phba
->sli
.slistat
.sli_intr
>= LPFC_ACT_INTR_CNT
) {
9578 /* Log the current active interrupt mode */
9579 phba
->intr_mode
= intr_mode
;
9580 lpfc_log_intr_mode(phba
, intr_mode
);
9583 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9584 "0451 Configure interrupt mode (%d) "
9585 "failed active interrupt test.\n",
9587 /* Unset the previous SLI-4 HBA setup. */
9589 * TODO: Is this operation compatible with IF TYPE 2
9590 * devices? All port state is deleted and cleared.
9592 lpfc_sli4_unset_hba(phba
);
9593 /* Try next level of interrupt mode */
9594 cfg_mode
= --intr_mode
;
9597 /* Perform post initialization setup */
9598 lpfc_post_init_setup(phba
);
9600 /* check for firmware upgrade or downgrade (if_type 2 only) */
9601 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
9602 LPFC_SLI_INTF_IF_TYPE_2
) {
9603 snprintf(file_name
, 16, "%s.grp", phba
->ModelName
);
9604 error
= request_firmware(&fw
, file_name
, &phba
->pcidev
->dev
);
9606 lpfc_write_firmware(phba
, fw
);
9607 release_firmware(fw
);
9611 /* Check if there are static vports to be created. */
9612 lpfc_create_static_vport(phba
);
9616 lpfc_sli4_disable_intr(phba
);
9617 out_free_sysfs_attr
:
9618 lpfc_free_sysfs_attr(vport
);
9620 lpfc_destroy_shost(phba
);
9621 out_unset_driver_resource
:
9622 lpfc_unset_driver_resource_phase2(phba
);
9624 lpfc_free_iocb_list(phba
);
9625 out_unset_driver_resource_s4
:
9626 lpfc_sli4_driver_resource_unset(phba
);
9627 out_unset_pci_mem_s4
:
9628 lpfc_sli4_pci_mem_unset(phba
);
9629 out_disable_pci_dev
:
9630 lpfc_disable_pci_dev(phba
);
9632 scsi_host_put(shost
);
9634 lpfc_hba_free(phba
);
9639 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
9640 * @pdev: pointer to PCI device
9642 * This routine is called from the kernel's PCI subsystem to device with
9643 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
9644 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9645 * device to be removed from the PCI subsystem properly.
9647 static void __devexit
9648 lpfc_pci_remove_one_s4(struct pci_dev
*pdev
)
9650 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9651 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
9652 struct lpfc_vport
**vports
;
9653 struct lpfc_hba
*phba
= vport
->phba
;
9656 /* Mark the device unloading flag */
9657 spin_lock_irq(&phba
->hbalock
);
9658 vport
->load_flag
|= FC_UNLOADING
;
9659 spin_unlock_irq(&phba
->hbalock
);
9661 /* Free the HBA sysfs attributes */
9662 lpfc_free_sysfs_attr(vport
);
9664 /* Release all the vports against this physical port */
9665 vports
= lpfc_create_vport_work_array(phba
);
9667 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
9668 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
9670 fc_vport_terminate(vports
[i
]->fc_vport
);
9672 lpfc_destroy_vport_work_array(phba
, vports
);
9674 /* Remove FC host and then SCSI host with the physical port */
9675 fc_remove_host(shost
);
9676 scsi_remove_host(shost
);
9678 /* Perform cleanup on the physical port */
9679 lpfc_cleanup(vport
);
9682 * Bring down the SLI Layer. This step disables all interrupts,
9683 * clears the rings, discards all mailbox commands, and resets
9684 * the HBA FCoE function.
9686 lpfc_debugfs_terminate(vport
);
9687 lpfc_sli4_hba_unset(phba
);
9689 spin_lock_irq(&phba
->hbalock
);
9690 list_del_init(&vport
->listentry
);
9691 spin_unlock_irq(&phba
->hbalock
);
9693 /* Perform scsi free before driver resource_unset since scsi
9694 * buffers are released to their corresponding pools here.
9696 lpfc_scsi_free(phba
);
9697 lpfc_sli4_driver_resource_unset(phba
);
9699 /* Unmap adapter Control and Doorbell registers */
9700 lpfc_sli4_pci_mem_unset(phba
);
9702 /* Release PCI resources and disable device's PCI function */
9703 scsi_host_put(shost
);
9704 lpfc_disable_pci_dev(phba
);
9706 /* Finally, free the driver's device data structure */
9707 lpfc_hba_free(phba
);
9713 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
9714 * @pdev: pointer to PCI device
9715 * @msg: power management message
9717 * This routine is called from the kernel's PCI subsystem to support system
9718 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
9719 * this method, it quiesces the device by stopping the driver's worker
9720 * thread for the device, turning off device's interrupt and DMA, and bring
9721 * the device offline. Note that as the driver implements the minimum PM
9722 * requirements to a power-aware driver's PM support for suspend/resume -- all
9723 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
9724 * method call will be treated as SUSPEND and the driver will fully
9725 * reinitialize its device during resume() method call, the driver will set
9726 * device to PCI_D3hot state in PCI config space instead of setting it
9727 * according to the @msg provided by the PM.
9730 * 0 - driver suspended the device
9734 lpfc_pci_suspend_one_s4(struct pci_dev
*pdev
, pm_message_t msg
)
9736 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9737 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9739 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9740 "2843 PCI device Power Management suspend.\n");
9742 /* Bring down the device */
9743 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
9745 kthread_stop(phba
->worker_thread
);
9747 /* Disable interrupt from device */
9748 lpfc_sli4_disable_intr(phba
);
9749 lpfc_sli4_queue_destroy(phba
);
9751 /* Save device state to PCI config space */
9752 pci_save_state(pdev
);
9753 pci_set_power_state(pdev
, PCI_D3hot
);
9759 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
9760 * @pdev: pointer to PCI device
9762 * This routine is called from the kernel's PCI subsystem to support system
9763 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
9764 * this method, it restores the device's PCI config space state and fully
9765 * reinitializes the device and brings it online. Note that as the driver
9766 * implements the minimum PM requirements to a power-aware driver's PM for
9767 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9768 * to the suspend() method call will be treated as SUSPEND and the driver
9769 * will fully reinitialize its device during resume() method call, the device
9770 * will be set to PCI_D0 directly in PCI config space before restoring the
9774 * 0 - driver suspended the device
9778 lpfc_pci_resume_one_s4(struct pci_dev
*pdev
)
9780 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9781 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9785 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9786 "0292 PCI device Power Management resume.\n");
9788 /* Restore device state from PCI config space */
9789 pci_set_power_state(pdev
, PCI_D0
);
9790 pci_restore_state(pdev
);
9793 * As the new kernel behavior of pci_restore_state() API call clears
9794 * device saved_state flag, need to save the restored state again.
9796 pci_save_state(pdev
);
9798 if (pdev
->is_busmaster
)
9799 pci_set_master(pdev
);
9801 /* Startup the kernel thread for this host adapter. */
9802 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
9803 "lpfc_worker_%d", phba
->brd_no
);
9804 if (IS_ERR(phba
->worker_thread
)) {
9805 error
= PTR_ERR(phba
->worker_thread
);
9806 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9807 "0293 PM resume failed to start worker "
9808 "thread: error=x%x.\n", error
);
9812 /* Configure and enable interrupt */
9813 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
9814 if (intr_mode
== LPFC_INTR_ERROR
) {
9815 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9816 "0294 PM resume Failed to enable interrupt\n");
9819 phba
->intr_mode
= intr_mode
;
9821 /* Restart HBA and bring it online */
9822 lpfc_sli_brdrestart(phba
);
9825 /* Log the current active interrupt mode */
9826 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9832 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
9833 * @phba: pointer to lpfc hba data structure.
9835 * This routine is called to prepare the SLI4 device for PCI slot recover. It
9836 * aborts all the outstanding SCSI I/Os to the pci device.
9839 lpfc_sli4_prep_dev_for_recover(struct lpfc_hba
*phba
)
9841 struct lpfc_sli
*psli
= &phba
->sli
;
9842 struct lpfc_sli_ring
*pring
;
9844 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9845 "2828 PCI channel I/O abort preparing for recovery\n");
9847 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9848 * and let the SCSI mid-layer to retry them to recover.
9850 pring
= &psli
->ring
[psli
->fcp_ring
];
9851 lpfc_sli_abort_iocb_ring(phba
, pring
);
9855 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
9856 * @phba: pointer to lpfc hba data structure.
9858 * This routine is called to prepare the SLI4 device for PCI slot reset. It
9859 * disables the device interrupt and pci device, and aborts the internal FCP
9863 lpfc_sli4_prep_dev_for_reset(struct lpfc_hba
*phba
)
9865 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9866 "2826 PCI channel disable preparing for reset\n");
9868 /* Block any management I/Os to the device */
9869 lpfc_block_mgmt_io(phba
, LPFC_MBX_NO_WAIT
);
9871 /* Block all SCSI devices' I/Os on the host */
9872 lpfc_scsi_dev_block(phba
);
9874 /* stop all timers */
9875 lpfc_stop_hba_timers(phba
);
9877 /* Disable interrupt and pci device */
9878 lpfc_sli4_disable_intr(phba
);
9879 lpfc_sli4_queue_destroy(phba
);
9880 pci_disable_device(phba
->pcidev
);
9882 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9883 lpfc_sli_flush_fcp_rings(phba
);
9887 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
9888 * @phba: pointer to lpfc hba data structure.
9890 * This routine is called to prepare the SLI4 device for PCI slot permanently
9891 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9895 lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
9897 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9898 "2827 PCI channel permanent disable for failure\n");
9900 /* Block all SCSI devices' I/Os on the host */
9901 lpfc_scsi_dev_block(phba
);
9903 /* stop all timers */
9904 lpfc_stop_hba_timers(phba
);
9906 /* Clean up all driver's outstanding SCSI I/Os */
9907 lpfc_sli_flush_fcp_rings(phba
);
9911 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
9912 * @pdev: pointer to PCI device.
9913 * @state: the current PCI connection state.
9915 * This routine is called from the PCI subsystem for error handling to device
9916 * with SLI-4 interface spec. This function is called by the PCI subsystem
9917 * after a PCI bus error affecting this device has been detected. When this
9918 * function is invoked, it will need to stop all the I/Os and interrupt(s)
9919 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
9920 * for the PCI subsystem to perform proper recovery as desired.
9923 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9924 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9926 static pci_ers_result_t
9927 lpfc_io_error_detected_s4(struct pci_dev
*pdev
, pci_channel_state_t state
)
9929 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9930 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9933 case pci_channel_io_normal
:
9934 /* Non-fatal error, prepare for recovery */
9935 lpfc_sli4_prep_dev_for_recover(phba
);
9936 return PCI_ERS_RESULT_CAN_RECOVER
;
9937 case pci_channel_io_frozen
:
9938 /* Fatal error, prepare for slot reset */
9939 lpfc_sli4_prep_dev_for_reset(phba
);
9940 return PCI_ERS_RESULT_NEED_RESET
;
9941 case pci_channel_io_perm_failure
:
9942 /* Permanent failure, prepare for device down */
9943 lpfc_sli4_prep_dev_for_perm_failure(phba
);
9944 return PCI_ERS_RESULT_DISCONNECT
;
9946 /* Unknown state, prepare and request slot reset */
9947 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9948 "2825 Unknown PCI error state: x%x\n", state
);
9949 lpfc_sli4_prep_dev_for_reset(phba
);
9950 return PCI_ERS_RESULT_NEED_RESET
;
9955 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
9956 * @pdev: pointer to PCI device.
9958 * This routine is called from the PCI subsystem for error handling to device
9959 * with SLI-4 interface spec. It is called after PCI bus has been reset to
9960 * restart the PCI card from scratch, as if from a cold-boot. During the
9961 * PCI subsystem error recovery, after the driver returns
9962 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
9963 * recovery and then call this routine before calling the .resume method to
9964 * recover the device. This function will initialize the HBA device, enable
9965 * the interrupt, but it will just put the HBA to offline state without
9966 * passing any I/O traffic.
9969 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9970 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9972 static pci_ers_result_t
9973 lpfc_io_slot_reset_s4(struct pci_dev
*pdev
)
9975 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9976 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9977 struct lpfc_sli
*psli
= &phba
->sli
;
9980 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
9981 if (pci_enable_device_mem(pdev
)) {
9982 printk(KERN_ERR
"lpfc: Cannot re-enable "
9983 "PCI device after reset.\n");
9984 return PCI_ERS_RESULT_DISCONNECT
;
9987 pci_restore_state(pdev
);
9990 * As the new kernel behavior of pci_restore_state() API call clears
9991 * device saved_state flag, need to save the restored state again.
9993 pci_save_state(pdev
);
9995 if (pdev
->is_busmaster
)
9996 pci_set_master(pdev
);
9998 spin_lock_irq(&phba
->hbalock
);
9999 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
10000 spin_unlock_irq(&phba
->hbalock
);
10002 /* Configure and enable interrupt */
10003 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
10004 if (intr_mode
== LPFC_INTR_ERROR
) {
10005 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10006 "2824 Cannot re-enable interrupt after "
10008 return PCI_ERS_RESULT_DISCONNECT
;
10010 phba
->intr_mode
= intr_mode
;
10012 /* Log the current active interrupt mode */
10013 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
10015 return PCI_ERS_RESULT_RECOVERED
;
10019 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
10020 * @pdev: pointer to PCI device
10022 * This routine is called from the PCI subsystem for error handling to device
10023 * with SLI-4 interface spec. It is called when kernel error recovery tells
10024 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
10025 * error recovery. After this call, traffic can start to flow from this device
10029 lpfc_io_resume_s4(struct pci_dev
*pdev
)
10031 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10032 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10035 * In case of slot reset, as function reset is performed through
10036 * mailbox command which needs DMA to be enabled, this operation
10037 * has to be moved to the io resume phase. Taking device offline
10038 * will perform the necessary cleanup.
10040 if (!(phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)) {
10041 /* Perform device reset */
10042 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
10043 lpfc_offline(phba
);
10044 lpfc_sli_brdrestart(phba
);
10045 /* Bring the device back online */
10049 /* Clean up Advanced Error Reporting (AER) if needed */
10050 if (phba
->hba_flag
& HBA_AER_ENABLED
)
10051 pci_cleanup_aer_uncorrect_error_status(pdev
);
10055 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
10056 * @pdev: pointer to PCI device
10057 * @pid: pointer to PCI device identifier
10059 * This routine is to be registered to the kernel's PCI subsystem. When an
10060 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
10061 * at PCI device-specific information of the device and driver to see if the
10062 * driver state that it can support this kind of device. If the match is
10063 * successful, the driver core invokes this routine. This routine dispatches
10064 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
10065 * do all the initialization that it needs to do to handle the HBA device
10069 * 0 - driver can claim the device
10070 * negative value - driver can not claim the device
10072 static int __devinit
10073 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
10076 struct lpfc_sli_intf intf
;
10078 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
, &intf
.word0
))
10081 if ((bf_get(lpfc_sli_intf_valid
, &intf
) == LPFC_SLI_INTF_VALID
) &&
10082 (bf_get(lpfc_sli_intf_slirev
, &intf
) == LPFC_SLI_INTF_REV_SLI4
))
10083 rc
= lpfc_pci_probe_one_s4(pdev
, pid
);
10085 rc
= lpfc_pci_probe_one_s3(pdev
, pid
);
10091 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
10092 * @pdev: pointer to PCI device
10094 * This routine is to be registered to the kernel's PCI subsystem. When an
10095 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
10096 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
10097 * remove routine, which will perform all the necessary cleanup for the
10098 * device to be removed from the PCI subsystem properly.
10100 static void __devexit
10101 lpfc_pci_remove_one(struct pci_dev
*pdev
)
10103 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10104 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10106 switch (phba
->pci_dev_grp
) {
10107 case LPFC_PCI_DEV_LP
:
10108 lpfc_pci_remove_one_s3(pdev
);
10110 case LPFC_PCI_DEV_OC
:
10111 lpfc_pci_remove_one_s4(pdev
);
10114 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10115 "1424 Invalid PCI device group: 0x%x\n",
10116 phba
->pci_dev_grp
);
10123 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
10124 * @pdev: pointer to PCI device
10125 * @msg: power management message
10127 * This routine is to be registered to the kernel's PCI subsystem to support
10128 * system Power Management (PM). When PM invokes this method, it dispatches
10129 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
10130 * suspend the device.
10133 * 0 - driver suspended the device
10137 lpfc_pci_suspend_one(struct pci_dev
*pdev
, pm_message_t msg
)
10139 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10140 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10143 switch (phba
->pci_dev_grp
) {
10144 case LPFC_PCI_DEV_LP
:
10145 rc
= lpfc_pci_suspend_one_s3(pdev
, msg
);
10147 case LPFC_PCI_DEV_OC
:
10148 rc
= lpfc_pci_suspend_one_s4(pdev
, msg
);
10151 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10152 "1425 Invalid PCI device group: 0x%x\n",
10153 phba
->pci_dev_grp
);
10160 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
10161 * @pdev: pointer to PCI device
10163 * This routine is to be registered to the kernel's PCI subsystem to support
10164 * system Power Management (PM). When PM invokes this method, it dispatches
10165 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
10166 * resume the device.
10169 * 0 - driver suspended the device
10173 lpfc_pci_resume_one(struct pci_dev
*pdev
)
10175 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10176 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10179 switch (phba
->pci_dev_grp
) {
10180 case LPFC_PCI_DEV_LP
:
10181 rc
= lpfc_pci_resume_one_s3(pdev
);
10183 case LPFC_PCI_DEV_OC
:
10184 rc
= lpfc_pci_resume_one_s4(pdev
);
10187 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10188 "1426 Invalid PCI device group: 0x%x\n",
10189 phba
->pci_dev_grp
);
10196 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
10197 * @pdev: pointer to PCI device.
10198 * @state: the current PCI connection state.
10200 * This routine is registered to the PCI subsystem for error handling. This
10201 * function is called by the PCI subsystem after a PCI bus error affecting
10202 * this device has been detected. When this routine is invoked, it dispatches
10203 * the action to the proper SLI-3 or SLI-4 device error detected handling
10204 * routine, which will perform the proper error detected operation.
10207 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10208 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10210 static pci_ers_result_t
10211 lpfc_io_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
10213 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10214 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10215 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
10217 switch (phba
->pci_dev_grp
) {
10218 case LPFC_PCI_DEV_LP
:
10219 rc
= lpfc_io_error_detected_s3(pdev
, state
);
10221 case LPFC_PCI_DEV_OC
:
10222 rc
= lpfc_io_error_detected_s4(pdev
, state
);
10225 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10226 "1427 Invalid PCI device group: 0x%x\n",
10227 phba
->pci_dev_grp
);
10234 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
10235 * @pdev: pointer to PCI device.
10237 * This routine is registered to the PCI subsystem for error handling. This
10238 * function is called after PCI bus has been reset to restart the PCI card
10239 * from scratch, as if from a cold-boot. When this routine is invoked, it
10240 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
10241 * routine, which will perform the proper device reset.
10244 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10245 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10247 static pci_ers_result_t
10248 lpfc_io_slot_reset(struct pci_dev
*pdev
)
10250 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10251 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10252 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
10254 switch (phba
->pci_dev_grp
) {
10255 case LPFC_PCI_DEV_LP
:
10256 rc
= lpfc_io_slot_reset_s3(pdev
);
10258 case LPFC_PCI_DEV_OC
:
10259 rc
= lpfc_io_slot_reset_s4(pdev
);
10262 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10263 "1428 Invalid PCI device group: 0x%x\n",
10264 phba
->pci_dev_grp
);
10271 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
10272 * @pdev: pointer to PCI device
10274 * This routine is registered to the PCI subsystem for error handling. It
10275 * is called when kernel error recovery tells the lpfc driver that it is
10276 * OK to resume normal PCI operation after PCI bus error recovery. When
10277 * this routine is invoked, it dispatches the action to the proper SLI-3
10278 * or SLI-4 device io_resume routine, which will resume the device operation.
10281 lpfc_io_resume(struct pci_dev
*pdev
)
10283 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10284 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10286 switch (phba
->pci_dev_grp
) {
10287 case LPFC_PCI_DEV_LP
:
10288 lpfc_io_resume_s3(pdev
);
10290 case LPFC_PCI_DEV_OC
:
10291 lpfc_io_resume_s4(pdev
);
10294 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10295 "1429 Invalid PCI device group: 0x%x\n",
10296 phba
->pci_dev_grp
);
10303 * lpfc_mgmt_open - method called when 'lpfcmgmt' is opened from userspace
10304 * @inode: pointer to the inode representing the lpfcmgmt device
10305 * @filep: pointer to the file representing the open lpfcmgmt device
10307 * This routine puts a reference count on the lpfc module whenever the
10308 * character device is opened
10311 lpfc_mgmt_open(struct inode
*inode
, struct file
*filep
)
10313 try_module_get(THIS_MODULE
);
10318 * lpfc_mgmt_release - method called when 'lpfcmgmt' is closed in userspace
10319 * @inode: pointer to the inode representing the lpfcmgmt device
10320 * @filep: pointer to the file representing the open lpfcmgmt device
10322 * This routine removes a reference count from the lpfc module when the
10323 * character device is closed
10326 lpfc_mgmt_release(struct inode
*inode
, struct file
*filep
)
10328 module_put(THIS_MODULE
);
10332 static struct pci_device_id lpfc_id_table
[] = {
10333 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
10334 PCI_ANY_ID
, PCI_ANY_ID
, },
10335 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
10336 PCI_ANY_ID
, PCI_ANY_ID
, },
10337 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
10338 PCI_ANY_ID
, PCI_ANY_ID
, },
10339 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
10340 PCI_ANY_ID
, PCI_ANY_ID
, },
10341 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
10342 PCI_ANY_ID
, PCI_ANY_ID
, },
10343 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
10344 PCI_ANY_ID
, PCI_ANY_ID
, },
10345 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
10346 PCI_ANY_ID
, PCI_ANY_ID
, },
10347 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
10348 PCI_ANY_ID
, PCI_ANY_ID
, },
10349 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
10350 PCI_ANY_ID
, PCI_ANY_ID
, },
10351 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
10352 PCI_ANY_ID
, PCI_ANY_ID
, },
10353 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
10354 PCI_ANY_ID
, PCI_ANY_ID
, },
10355 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
10356 PCI_ANY_ID
, PCI_ANY_ID
, },
10357 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
10358 PCI_ANY_ID
, PCI_ANY_ID
, },
10359 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
10360 PCI_ANY_ID
, PCI_ANY_ID
, },
10361 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
10362 PCI_ANY_ID
, PCI_ANY_ID
, },
10363 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
10364 PCI_ANY_ID
, PCI_ANY_ID
, },
10365 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
10366 PCI_ANY_ID
, PCI_ANY_ID
, },
10367 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
10368 PCI_ANY_ID
, PCI_ANY_ID
, },
10369 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HORNET
,
10370 PCI_ANY_ID
, PCI_ANY_ID
, },
10371 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
10372 PCI_ANY_ID
, PCI_ANY_ID
, },
10373 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
10374 PCI_ANY_ID
, PCI_ANY_ID
, },
10375 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
10376 PCI_ANY_ID
, PCI_ANY_ID
, },
10377 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
10378 PCI_ANY_ID
, PCI_ANY_ID
, },
10379 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
10380 PCI_ANY_ID
, PCI_ANY_ID
, },
10381 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
10382 PCI_ANY_ID
, PCI_ANY_ID
, },
10383 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
10384 PCI_ANY_ID
, PCI_ANY_ID
, },
10385 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
10386 PCI_ANY_ID
, PCI_ANY_ID
, },
10387 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
10388 PCI_ANY_ID
, PCI_ANY_ID
, },
10389 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT
,
10390 PCI_ANY_ID
, PCI_ANY_ID
, },
10391 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_MID
,
10392 PCI_ANY_ID
, PCI_ANY_ID
, },
10393 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SMB
,
10394 PCI_ANY_ID
, PCI_ANY_ID
, },
10395 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_DCSP
,
10396 PCI_ANY_ID
, PCI_ANY_ID
, },
10397 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SCSP
,
10398 PCI_ANY_ID
, PCI_ANY_ID
, },
10399 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_S
,
10400 PCI_ANY_ID
, PCI_ANY_ID
, },
10401 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_VF
,
10402 PCI_ANY_ID
, PCI_ANY_ID
, },
10403 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_PF
,
10404 PCI_ANY_ID
, PCI_ANY_ID
, },
10405 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_S
,
10406 PCI_ANY_ID
, PCI_ANY_ID
, },
10407 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TIGERSHARK
,
10408 PCI_ANY_ID
, PCI_ANY_ID
, },
10409 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TOMCAT
,
10410 PCI_ANY_ID
, PCI_ANY_ID
, },
10411 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FALCON
,
10412 PCI_ANY_ID
, PCI_ANY_ID
, },
10413 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BALIUS
,
10414 PCI_ANY_ID
, PCI_ANY_ID
, },
10415 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC
,
10416 PCI_ANY_ID
, PCI_ANY_ID
, },
10417 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE
,
10418 PCI_ANY_ID
, PCI_ANY_ID
, },
10419 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC_VF
,
10420 PCI_ANY_ID
, PCI_ANY_ID
, },
10421 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE_VF
,
10422 PCI_ANY_ID
, PCI_ANY_ID
, },
10426 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
10428 static struct pci_error_handlers lpfc_err_handler
= {
10429 .error_detected
= lpfc_io_error_detected
,
10430 .slot_reset
= lpfc_io_slot_reset
,
10431 .resume
= lpfc_io_resume
,
10434 static struct pci_driver lpfc_driver
= {
10435 .name
= LPFC_DRIVER_NAME
,
10436 .id_table
= lpfc_id_table
,
10437 .probe
= lpfc_pci_probe_one
,
10438 .remove
= __devexit_p(lpfc_pci_remove_one
),
10439 .suspend
= lpfc_pci_suspend_one
,
10440 .resume
= lpfc_pci_resume_one
,
10441 .err_handler
= &lpfc_err_handler
,
10444 static const struct file_operations lpfc_mgmt_fop
= {
10445 .open
= lpfc_mgmt_open
,
10446 .release
= lpfc_mgmt_release
,
10449 static struct miscdevice lpfc_mgmt_dev
= {
10450 .minor
= MISC_DYNAMIC_MINOR
,
10451 .name
= "lpfcmgmt",
10452 .fops
= &lpfc_mgmt_fop
,
10456 * lpfc_init - lpfc module initialization routine
10458 * This routine is to be invoked when the lpfc module is loaded into the
10459 * kernel. The special kernel macro module_init() is used to indicate the
10460 * role of this routine to the kernel as lpfc module entry point.
10464 * -ENOMEM - FC attach transport failed
10465 * all others - failed
10472 printk(LPFC_MODULE_DESC
"\n");
10473 printk(LPFC_COPYRIGHT
"\n");
10475 error
= misc_register(&lpfc_mgmt_dev
);
10477 printk(KERN_ERR
"Could not register lpfcmgmt device, "
10478 "misc_register returned with status %d", error
);
10480 if (lpfc_enable_npiv
) {
10481 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
10482 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
10484 lpfc_transport_template
=
10485 fc_attach_transport(&lpfc_transport_functions
);
10486 if (lpfc_transport_template
== NULL
)
10488 if (lpfc_enable_npiv
) {
10489 lpfc_vport_transport_template
=
10490 fc_attach_transport(&lpfc_vport_transport_functions
);
10491 if (lpfc_vport_transport_template
== NULL
) {
10492 fc_release_transport(lpfc_transport_template
);
10496 error
= pci_register_driver(&lpfc_driver
);
10498 fc_release_transport(lpfc_transport_template
);
10499 if (lpfc_enable_npiv
)
10500 fc_release_transport(lpfc_vport_transport_template
);
10507 * lpfc_exit - lpfc module removal routine
10509 * This routine is invoked when the lpfc module is removed from the kernel.
10510 * The special kernel macro module_exit() is used to indicate the role of
10511 * this routine to the kernel as lpfc module exit point.
10516 misc_deregister(&lpfc_mgmt_dev
);
10517 pci_unregister_driver(&lpfc_driver
);
10518 fc_release_transport(lpfc_transport_template
);
10519 if (lpfc_enable_npiv
)
10520 fc_release_transport(lpfc_vport_transport_template
);
10521 if (_dump_buf_data
) {
10522 printk(KERN_ERR
"9062 BLKGRD: freeing %lu pages for "
10523 "_dump_buf_data at 0x%p\n",
10524 (1L << _dump_buf_data_order
), _dump_buf_data
);
10525 free_pages((unsigned long)_dump_buf_data
, _dump_buf_data_order
);
10528 if (_dump_buf_dif
) {
10529 printk(KERN_ERR
"9049 BLKGRD: freeing %lu pages for "
10530 "_dump_buf_dif at 0x%p\n",
10531 (1L << _dump_buf_dif_order
), _dump_buf_dif
);
10532 free_pages((unsigned long)_dump_buf_dif
, _dump_buf_dif_order
);
10536 module_init(lpfc_init
);
10537 module_exit(lpfc_exit
);
10538 MODULE_LICENSE("GPL");
10539 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
10540 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
10541 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);