1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2015 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>
36 #include <linux/percpu.h>
38 #include <scsi/scsi.h>
39 #include <scsi/scsi_device.h>
40 #include <scsi/scsi_host.h>
41 #include <scsi/scsi_transport_fc.h>
46 #include "lpfc_sli4.h"
48 #include "lpfc_disc.h"
49 #include "lpfc_scsi.h"
51 #include "lpfc_logmsg.h"
52 #include "lpfc_crtn.h"
53 #include "lpfc_vport.h"
54 #include "lpfc_version.h"
57 unsigned long _dump_buf_data_order
;
59 unsigned long _dump_buf_dif_order
;
60 spinlock_t _dump_buf_lock
;
62 /* Used when mapping IRQ vectors in a driver centric manner */
63 uint16_t *lpfc_used_cpu
;
64 uint32_t lpfc_present_cpu
;
66 static void lpfc_get_hba_model_desc(struct lpfc_hba
*, uint8_t *, uint8_t *);
67 static int lpfc_post_rcv_buf(struct lpfc_hba
*);
68 static int lpfc_sli4_queue_verify(struct lpfc_hba
*);
69 static int lpfc_create_bootstrap_mbox(struct lpfc_hba
*);
70 static int lpfc_setup_endian_order(struct lpfc_hba
*);
71 static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*);
72 static void lpfc_free_els_sgl_list(struct lpfc_hba
*);
73 static void lpfc_init_sgl_list(struct lpfc_hba
*);
74 static int lpfc_init_active_sgl_array(struct lpfc_hba
*);
75 static void lpfc_free_active_sgl(struct lpfc_hba
*);
76 static int lpfc_hba_down_post_s3(struct lpfc_hba
*phba
);
77 static int lpfc_hba_down_post_s4(struct lpfc_hba
*phba
);
78 static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*);
79 static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*);
80 static void lpfc_sli4_cq_event_release_all(struct lpfc_hba
*);
81 static void lpfc_sli4_disable_intr(struct lpfc_hba
*);
82 static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba
*, uint32_t);
83 static void lpfc_sli4_oas_verify(struct lpfc_hba
*phba
);
85 static struct scsi_transport_template
*lpfc_transport_template
= NULL
;
86 static struct scsi_transport_template
*lpfc_vport_transport_template
= NULL
;
87 static DEFINE_IDR(lpfc_hba_index
);
90 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
91 * @phba: pointer to lpfc hba data structure.
93 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
94 * mailbox command. It retrieves the revision information from the HBA and
95 * collects the Vital Product Data (VPD) about the HBA for preparing the
96 * configuration of the HBA.
100 * -ERESTART - requests the SLI layer to reset the HBA and try again.
101 * Any other value - indicates an error.
104 lpfc_config_port_prep(struct lpfc_hba
*phba
)
106 lpfc_vpd_t
*vp
= &phba
->vpd
;
110 char *lpfc_vpd_data
= NULL
;
112 static char licensed
[56] =
113 "key unlock for use with gnu public licensed code only\0";
114 static int init_key
= 1;
116 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
118 phba
->link_state
= LPFC_HBA_ERROR
;
123 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
125 if (lpfc_is_LC_HBA(phba
->pcidev
->device
)) {
127 uint32_t *ptext
= (uint32_t *) licensed
;
129 for (i
= 0; i
< 56; i
+= sizeof (uint32_t), ptext
++)
130 *ptext
= cpu_to_be32(*ptext
);
134 lpfc_read_nv(phba
, pmb
);
135 memset((char*)mb
->un
.varRDnvp
.rsvd3
, 0,
136 sizeof (mb
->un
.varRDnvp
.rsvd3
));
137 memcpy((char*)mb
->un
.varRDnvp
.rsvd3
, licensed
,
140 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
142 if (rc
!= MBX_SUCCESS
) {
143 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
144 "0324 Config Port initialization "
145 "error, mbxCmd x%x READ_NVPARM, "
147 mb
->mbxCommand
, mb
->mbxStatus
);
148 mempool_free(pmb
, phba
->mbox_mem_pool
);
151 memcpy(phba
->wwnn
, (char *)mb
->un
.varRDnvp
.nodename
,
153 memcpy(phba
->wwpn
, (char *)mb
->un
.varRDnvp
.portname
,
157 phba
->sli3_options
= 0x0;
159 /* Setup and issue mailbox READ REV command */
160 lpfc_read_rev(phba
, pmb
);
161 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
162 if (rc
!= MBX_SUCCESS
) {
163 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
164 "0439 Adapter failed to init, mbxCmd x%x "
165 "READ_REV, mbxStatus x%x\n",
166 mb
->mbxCommand
, mb
->mbxStatus
);
167 mempool_free( pmb
, phba
->mbox_mem_pool
);
173 * The value of rr must be 1 since the driver set the cv field to 1.
174 * This setting requires the FW to set all revision fields.
176 if (mb
->un
.varRdRev
.rr
== 0) {
178 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
179 "0440 Adapter failed to init, READ_REV has "
180 "missing revision information.\n");
181 mempool_free(pmb
, phba
->mbox_mem_pool
);
185 if (phba
->sli_rev
== 3 && !mb
->un
.varRdRev
.v3rsp
) {
186 mempool_free(pmb
, phba
->mbox_mem_pool
);
190 /* Save information as VPD data */
192 memcpy(&vp
->sli3Feat
, &mb
->un
.varRdRev
.sli3Feat
, sizeof(uint32_t));
193 vp
->rev
.sli1FwRev
= mb
->un
.varRdRev
.sli1FwRev
;
194 memcpy(vp
->rev
.sli1FwName
, (char*) mb
->un
.varRdRev
.sli1FwName
, 16);
195 vp
->rev
.sli2FwRev
= mb
->un
.varRdRev
.sli2FwRev
;
196 memcpy(vp
->rev
.sli2FwName
, (char *) mb
->un
.varRdRev
.sli2FwName
, 16);
197 vp
->rev
.biuRev
= mb
->un
.varRdRev
.biuRev
;
198 vp
->rev
.smRev
= mb
->un
.varRdRev
.smRev
;
199 vp
->rev
.smFwRev
= mb
->un
.varRdRev
.un
.smFwRev
;
200 vp
->rev
.endecRev
= mb
->un
.varRdRev
.endecRev
;
201 vp
->rev
.fcphHigh
= mb
->un
.varRdRev
.fcphHigh
;
202 vp
->rev
.fcphLow
= mb
->un
.varRdRev
.fcphLow
;
203 vp
->rev
.feaLevelHigh
= mb
->un
.varRdRev
.feaLevelHigh
;
204 vp
->rev
.feaLevelLow
= mb
->un
.varRdRev
.feaLevelLow
;
205 vp
->rev
.postKernRev
= mb
->un
.varRdRev
.postKernRev
;
206 vp
->rev
.opFwRev
= mb
->un
.varRdRev
.opFwRev
;
208 /* If the sli feature level is less then 9, we must
209 * tear down all RPIs and VPIs on link down if NPIV
212 if (vp
->rev
.feaLevelHigh
< 9)
213 phba
->sli3_options
|= LPFC_SLI3_VPORT_TEARDOWN
;
215 if (lpfc_is_LC_HBA(phba
->pcidev
->device
))
216 memcpy(phba
->RandomData
, (char *)&mb
->un
.varWords
[24],
217 sizeof (phba
->RandomData
));
219 /* Get adapter VPD information */
220 lpfc_vpd_data
= kmalloc(DMP_VPD_SIZE
, GFP_KERNEL
);
224 lpfc_dump_mem(phba
, pmb
, offset
, DMP_REGION_VPD
);
225 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
227 if (rc
!= MBX_SUCCESS
) {
228 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
229 "0441 VPD not present on adapter, "
230 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
231 mb
->mbxCommand
, mb
->mbxStatus
);
232 mb
->un
.varDmp
.word_cnt
= 0;
234 /* dump mem may return a zero when finished or we got a
235 * mailbox error, either way we are done.
237 if (mb
->un
.varDmp
.word_cnt
== 0)
239 if (mb
->un
.varDmp
.word_cnt
> DMP_VPD_SIZE
- offset
)
240 mb
->un
.varDmp
.word_cnt
= DMP_VPD_SIZE
- offset
;
241 lpfc_sli_pcimem_bcopy(((uint8_t *)mb
) + DMP_RSP_OFFSET
,
242 lpfc_vpd_data
+ offset
,
243 mb
->un
.varDmp
.word_cnt
);
244 offset
+= mb
->un
.varDmp
.word_cnt
;
245 } while (mb
->un
.varDmp
.word_cnt
&& offset
< DMP_VPD_SIZE
);
246 lpfc_parse_vpd(phba
, lpfc_vpd_data
, offset
);
248 kfree(lpfc_vpd_data
);
250 mempool_free(pmb
, phba
->mbox_mem_pool
);
255 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
256 * @phba: pointer to lpfc hba data structure.
257 * @pmboxq: pointer to the driver internal queue element for mailbox command.
259 * This is the completion handler for driver's configuring asynchronous event
260 * mailbox command to the device. If the mailbox command returns successfully,
261 * it will set internal async event support flag to 1; otherwise, it will
262 * set internal async event support flag to 0.
265 lpfc_config_async_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
267 if (pmboxq
->u
.mb
.mbxStatus
== MBX_SUCCESS
)
268 phba
->temp_sensor_support
= 1;
270 phba
->temp_sensor_support
= 0;
271 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
276 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
277 * @phba: pointer to lpfc hba data structure.
278 * @pmboxq: pointer to the driver internal queue element for mailbox command.
280 * This is the completion handler for dump mailbox command for getting
281 * wake up parameters. When this command complete, the response contain
282 * Option rom version of the HBA. This function translate the version number
283 * into a human readable string and store it in OptionROMVersion.
286 lpfc_dump_wakeup_param_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmboxq
)
289 uint32_t prog_id_word
;
291 /* character array used for decoding dist type. */
292 char dist_char
[] = "nabx";
294 if (pmboxq
->u
.mb
.mbxStatus
!= MBX_SUCCESS
) {
295 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
299 prg
= (struct prog_id
*) &prog_id_word
;
301 /* word 7 contain option rom version */
302 prog_id_word
= pmboxq
->u
.mb
.un
.varWords
[7];
304 /* Decode the Option rom version word to a readable string */
306 dist
= dist_char
[prg
->dist
];
308 if ((prg
->dist
== 3) && (prg
->num
== 0))
309 snprintf(phba
->OptionROMVersion
, 32, "%d.%d%d",
310 prg
->ver
, prg
->rev
, prg
->lev
);
312 snprintf(phba
->OptionROMVersion
, 32, "%d.%d%d%c%d",
313 prg
->ver
, prg
->rev
, prg
->lev
,
315 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
320 * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname,
321 * cfg_soft_wwnn, cfg_soft_wwpn
322 * @vport: pointer to lpfc vport data structure.
329 lpfc_update_vport_wwn(struct lpfc_vport
*vport
)
331 /* If the soft name exists then update it using the service params */
332 if (vport
->phba
->cfg_soft_wwnn
)
333 u64_to_wwn(vport
->phba
->cfg_soft_wwnn
,
334 vport
->fc_sparam
.nodeName
.u
.wwn
);
335 if (vport
->phba
->cfg_soft_wwpn
)
336 u64_to_wwn(vport
->phba
->cfg_soft_wwpn
,
337 vport
->fc_sparam
.portName
.u
.wwn
);
340 * If the name is empty or there exists a soft name
341 * then copy the service params name, otherwise use the fc name
343 if (vport
->fc_nodename
.u
.wwn
[0] == 0 || vport
->phba
->cfg_soft_wwnn
)
344 memcpy(&vport
->fc_nodename
, &vport
->fc_sparam
.nodeName
,
345 sizeof(struct lpfc_name
));
347 memcpy(&vport
->fc_sparam
.nodeName
, &vport
->fc_nodename
,
348 sizeof(struct lpfc_name
));
350 if (vport
->fc_portname
.u
.wwn
[0] == 0 || vport
->phba
->cfg_soft_wwpn
)
351 memcpy(&vport
->fc_portname
, &vport
->fc_sparam
.portName
,
352 sizeof(struct lpfc_name
));
354 memcpy(&vport
->fc_sparam
.portName
, &vport
->fc_portname
,
355 sizeof(struct lpfc_name
));
359 * lpfc_config_port_post - Perform lpfc initialization after config port
360 * @phba: pointer to lpfc hba data structure.
362 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
363 * command call. It performs all internal resource and state setups on the
364 * port: post IOCB buffers, enable appropriate host interrupt attentions,
365 * ELS ring timers, etc.
369 * Any other value - error.
372 lpfc_config_port_post(struct lpfc_hba
*phba
)
374 struct lpfc_vport
*vport
= phba
->pport
;
375 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
378 struct lpfc_dmabuf
*mp
;
379 struct lpfc_sli
*psli
= &phba
->sli
;
380 uint32_t status
, timeout
;
384 spin_lock_irq(&phba
->hbalock
);
386 * If the Config port completed correctly the HBA is not
387 * over heated any more.
389 if (phba
->over_temp_state
== HBA_OVER_TEMP
)
390 phba
->over_temp_state
= HBA_NORMAL_TEMP
;
391 spin_unlock_irq(&phba
->hbalock
);
393 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
395 phba
->link_state
= LPFC_HBA_ERROR
;
400 /* Get login parameters for NID. */
401 rc
= lpfc_read_sparam(phba
, pmb
, 0);
403 mempool_free(pmb
, phba
->mbox_mem_pool
);
408 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
409 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
410 "0448 Adapter failed init, mbxCmd x%x "
411 "READ_SPARM mbxStatus x%x\n",
412 mb
->mbxCommand
, mb
->mbxStatus
);
413 phba
->link_state
= LPFC_HBA_ERROR
;
414 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
415 mempool_free(pmb
, phba
->mbox_mem_pool
);
416 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
421 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
423 memcpy(&vport
->fc_sparam
, mp
->virt
, sizeof (struct serv_parm
));
424 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
426 pmb
->context1
= NULL
;
427 lpfc_update_vport_wwn(vport
);
429 /* Update the fc_host data structures with new wwn. */
430 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
431 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
432 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
434 /* If no serial number in VPD data, use low 6 bytes of WWNN */
435 /* This should be consolidated into parse_vpd ? - mr */
436 if (phba
->SerialNumber
[0] == 0) {
439 outptr
= &vport
->fc_nodename
.u
.s
.IEEE
[0];
440 for (i
= 0; i
< 12; i
++) {
442 j
= ((status
& 0xf0) >> 4);
444 phba
->SerialNumber
[i
] =
445 (char)((uint8_t) 0x30 + (uint8_t) j
);
447 phba
->SerialNumber
[i
] =
448 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
452 phba
->SerialNumber
[i
] =
453 (char)((uint8_t) 0x30 + (uint8_t) j
);
455 phba
->SerialNumber
[i
] =
456 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
460 lpfc_read_config(phba
, pmb
);
462 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
463 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
464 "0453 Adapter failed to init, mbxCmd x%x "
465 "READ_CONFIG, mbxStatus x%x\n",
466 mb
->mbxCommand
, mb
->mbxStatus
);
467 phba
->link_state
= LPFC_HBA_ERROR
;
468 mempool_free( pmb
, phba
->mbox_mem_pool
);
472 /* Check if the port is disabled */
473 lpfc_sli_read_link_ste(phba
);
475 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
476 i
= (mb
->un
.varRdConfig
.max_xri
+ 1);
477 if (phba
->cfg_hba_queue_depth
> i
) {
478 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
479 "3359 HBA queue depth changed from %d to %d\n",
480 phba
->cfg_hba_queue_depth
, i
);
481 phba
->cfg_hba_queue_depth
= i
;
484 /* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3) */
485 i
= (mb
->un
.varRdConfig
.max_xri
>> 3);
486 if (phba
->pport
->cfg_lun_queue_depth
> i
) {
487 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
488 "3360 LUN queue depth changed from %d to %d\n",
489 phba
->pport
->cfg_lun_queue_depth
, i
);
490 phba
->pport
->cfg_lun_queue_depth
= i
;
493 phba
->lmt
= mb
->un
.varRdConfig
.lmt
;
495 /* Get the default values for Model Name and Description */
496 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
498 phba
->link_state
= LPFC_LINK_DOWN
;
500 /* Only process IOCBs on ELS ring till hba_state is READY */
501 if (psli
->ring
[psli
->extra_ring
].sli
.sli3
.cmdringaddr
)
502 psli
->ring
[psli
->extra_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
503 if (psli
->ring
[psli
->fcp_ring
].sli
.sli3
.cmdringaddr
)
504 psli
->ring
[psli
->fcp_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
505 if (psli
->ring
[psli
->next_ring
].sli
.sli3
.cmdringaddr
)
506 psli
->ring
[psli
->next_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
508 /* Post receive buffers for desired rings */
509 if (phba
->sli_rev
!= 3)
510 lpfc_post_rcv_buf(phba
);
513 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
515 if (phba
->intr_type
== MSIX
) {
516 rc
= lpfc_config_msi(phba
, pmb
);
518 mempool_free(pmb
, phba
->mbox_mem_pool
);
521 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
522 if (rc
!= MBX_SUCCESS
) {
523 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
524 "0352 Config MSI mailbox command "
525 "failed, mbxCmd x%x, mbxStatus x%x\n",
526 pmb
->u
.mb
.mbxCommand
,
527 pmb
->u
.mb
.mbxStatus
);
528 mempool_free(pmb
, phba
->mbox_mem_pool
);
533 spin_lock_irq(&phba
->hbalock
);
534 /* Initialize ERATT handling flag */
535 phba
->hba_flag
&= ~HBA_ERATT_HANDLED
;
537 /* Enable appropriate host interrupts */
538 if (lpfc_readl(phba
->HCregaddr
, &status
)) {
539 spin_unlock_irq(&phba
->hbalock
);
542 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
543 if (psli
->num_rings
> 0)
544 status
|= HC_R0INT_ENA
;
545 if (psli
->num_rings
> 1)
546 status
|= HC_R1INT_ENA
;
547 if (psli
->num_rings
> 2)
548 status
|= HC_R2INT_ENA
;
549 if (psli
->num_rings
> 3)
550 status
|= HC_R3INT_ENA
;
552 if ((phba
->cfg_poll
& ENABLE_FCP_RING_POLLING
) &&
553 (phba
->cfg_poll
& DISABLE_FCP_RING_INT
))
554 status
&= ~(HC_R0INT_ENA
);
556 writel(status
, phba
->HCregaddr
);
557 readl(phba
->HCregaddr
); /* flush */
558 spin_unlock_irq(&phba
->hbalock
);
560 /* Set up ring-0 (ELS) timer */
561 timeout
= phba
->fc_ratov
* 2;
562 mod_timer(&vport
->els_tmofunc
,
563 jiffies
+ msecs_to_jiffies(1000 * timeout
));
564 /* Set up heart beat (HB) timer */
565 mod_timer(&phba
->hb_tmofunc
,
566 jiffies
+ msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
567 phba
->hb_outstanding
= 0;
568 phba
->last_completion_time
= jiffies
;
569 /* Set up error attention (ERATT) polling timer */
570 mod_timer(&phba
->eratt_poll
,
571 jiffies
+ msecs_to_jiffies(1000 * LPFC_ERATT_POLL_INTERVAL
));
573 if (phba
->hba_flag
& LINK_DISABLED
) {
574 lpfc_printf_log(phba
,
576 "2598 Adapter Link is disabled.\n");
577 lpfc_down_link(phba
, pmb
);
578 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
579 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
580 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
581 lpfc_printf_log(phba
,
583 "2599 Adapter failed to issue DOWN_LINK"
584 " mbox command rc 0x%x\n", rc
);
586 mempool_free(pmb
, phba
->mbox_mem_pool
);
589 } else if (phba
->cfg_suppress_link_up
== LPFC_INITIALIZE_LINK
) {
590 mempool_free(pmb
, phba
->mbox_mem_pool
);
591 rc
= phba
->lpfc_hba_init_link(phba
, MBX_NOWAIT
);
595 /* MBOX buffer will be freed in mbox compl */
596 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
598 phba
->link_state
= LPFC_HBA_ERROR
;
602 lpfc_config_async(phba
, pmb
, LPFC_ELS_RING
);
603 pmb
->mbox_cmpl
= lpfc_config_async_cmpl
;
604 pmb
->vport
= phba
->pport
;
605 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
607 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
608 lpfc_printf_log(phba
,
611 "0456 Adapter failed to issue "
612 "ASYNCEVT_ENABLE mbox status x%x\n",
614 mempool_free(pmb
, phba
->mbox_mem_pool
);
617 /* Get Option rom version */
618 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
620 phba
->link_state
= LPFC_HBA_ERROR
;
624 lpfc_dump_wakeup_param(phba
, pmb
);
625 pmb
->mbox_cmpl
= lpfc_dump_wakeup_param_cmpl
;
626 pmb
->vport
= phba
->pport
;
627 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
629 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
630 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
, "0435 Adapter failed "
631 "to get Option ROM version status x%x\n", rc
);
632 mempool_free(pmb
, phba
->mbox_mem_pool
);
639 * lpfc_hba_init_link - Initialize the FC link
640 * @phba: pointer to lpfc hba data structure.
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(struct lpfc_hba
*phba
, uint32_t flag
)
655 return lpfc_hba_init_link_fc_topology(phba
, phba
->cfg_topology
, flag
);
659 * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology
660 * @phba: pointer to lpfc hba data structure.
661 * @fc_topology: desired fc topology.
662 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
664 * This routine will issue the INIT_LINK mailbox command call.
665 * It is available to other drivers through the lpfc_hba data
666 * structure for use as a delayed link up mechanism with the
667 * module parameter lpfc_suppress_link_up.
671 * Any other value - error
674 lpfc_hba_init_link_fc_topology(struct lpfc_hba
*phba
, uint32_t fc_topology
,
677 struct lpfc_vport
*vport
= phba
->pport
;
682 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
684 phba
->link_state
= LPFC_HBA_ERROR
;
690 if ((phba
->cfg_link_speed
> LPFC_USER_LINK_SPEED_MAX
) ||
691 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_1G
) &&
692 !(phba
->lmt
& LMT_1Gb
)) ||
693 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_2G
) &&
694 !(phba
->lmt
& LMT_2Gb
)) ||
695 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_4G
) &&
696 !(phba
->lmt
& LMT_4Gb
)) ||
697 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_8G
) &&
698 !(phba
->lmt
& LMT_8Gb
)) ||
699 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_10G
) &&
700 !(phba
->lmt
& LMT_10Gb
)) ||
701 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_16G
) &&
702 !(phba
->lmt
& LMT_16Gb
)) ||
703 ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_32G
) &&
704 !(phba
->lmt
& LMT_32Gb
))) {
705 /* Reset link speed to auto */
706 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
707 "1302 Invalid speed for this board:%d "
708 "Reset link speed to auto.\n",
709 phba
->cfg_link_speed
);
710 phba
->cfg_link_speed
= LPFC_USER_LINK_SPEED_AUTO
;
712 lpfc_init_link(phba
, pmb
, fc_topology
, phba
->cfg_link_speed
);
713 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
714 if (phba
->sli_rev
< LPFC_SLI_REV4
)
715 lpfc_set_loopback_flag(phba
);
716 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
717 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
718 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
719 "0498 Adapter failed to init, mbxCmd x%x "
720 "INIT_LINK, mbxStatus x%x\n",
721 mb
->mbxCommand
, mb
->mbxStatus
);
722 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
723 /* Clear all interrupt enable conditions */
724 writel(0, phba
->HCregaddr
);
725 readl(phba
->HCregaddr
); /* flush */
726 /* Clear all pending interrupts */
727 writel(0xffffffff, phba
->HAregaddr
);
728 readl(phba
->HAregaddr
); /* flush */
730 phba
->link_state
= LPFC_HBA_ERROR
;
731 if (rc
!= MBX_BUSY
|| flag
== MBX_POLL
)
732 mempool_free(pmb
, phba
->mbox_mem_pool
);
735 phba
->cfg_suppress_link_up
= LPFC_INITIALIZE_LINK
;
736 if (flag
== MBX_POLL
)
737 mempool_free(pmb
, phba
->mbox_mem_pool
);
743 * lpfc_hba_down_link - this routine downs the FC link
744 * @phba: pointer to lpfc hba data structure.
745 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
747 * This routine will issue the DOWN_LINK mailbox command call.
748 * It is available to other drivers through the lpfc_hba data
749 * structure for use to stop the link.
753 * Any other value - error
756 lpfc_hba_down_link(struct lpfc_hba
*phba
, uint32_t flag
)
761 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
763 phba
->link_state
= LPFC_HBA_ERROR
;
767 lpfc_printf_log(phba
,
769 "0491 Adapter Link is disabled.\n");
770 lpfc_down_link(phba
, pmb
);
771 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
772 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
773 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
774 lpfc_printf_log(phba
,
776 "2522 Adapter failed to issue DOWN_LINK"
777 " mbox command rc 0x%x\n", rc
);
779 mempool_free(pmb
, phba
->mbox_mem_pool
);
782 if (flag
== MBX_POLL
)
783 mempool_free(pmb
, phba
->mbox_mem_pool
);
789 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
790 * @phba: pointer to lpfc HBA data structure.
792 * This routine will do LPFC uninitialization before the HBA is reset when
793 * bringing down the SLI Layer.
797 * Any other value - error.
800 lpfc_hba_down_prep(struct lpfc_hba
*phba
)
802 struct lpfc_vport
**vports
;
805 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
806 /* Disable interrupts */
807 writel(0, phba
->HCregaddr
);
808 readl(phba
->HCregaddr
); /* flush */
811 if (phba
->pport
->load_flag
& FC_UNLOADING
)
812 lpfc_cleanup_discovery_resources(phba
->pport
);
814 vports
= lpfc_create_vport_work_array(phba
);
816 for (i
= 0; i
<= phba
->max_vports
&&
817 vports
[i
] != NULL
; i
++)
818 lpfc_cleanup_discovery_resources(vports
[i
]);
819 lpfc_destroy_vport_work_array(phba
, vports
);
825 * lpfc_sli4_free_sp_events - Cleanup sp_queue_events to free
826 * rspiocb which got deferred
828 * @phba: pointer to lpfc HBA data structure.
830 * This routine will cleanup completed slow path events after HBA is reset
831 * when bringing down the SLI Layer.
838 lpfc_sli4_free_sp_events(struct lpfc_hba
*phba
)
840 struct lpfc_iocbq
*rspiocbq
;
841 struct hbq_dmabuf
*dmabuf
;
842 struct lpfc_cq_event
*cq_event
;
844 spin_lock_irq(&phba
->hbalock
);
845 phba
->hba_flag
&= ~HBA_SP_QUEUE_EVT
;
846 spin_unlock_irq(&phba
->hbalock
);
848 while (!list_empty(&phba
->sli4_hba
.sp_queue_event
)) {
849 /* Get the response iocb from the head of work queue */
850 spin_lock_irq(&phba
->hbalock
);
851 list_remove_head(&phba
->sli4_hba
.sp_queue_event
,
852 cq_event
, struct lpfc_cq_event
, list
);
853 spin_unlock_irq(&phba
->hbalock
);
855 switch (bf_get(lpfc_wcqe_c_code
, &cq_event
->cqe
.wcqe_cmpl
)) {
856 case CQE_CODE_COMPL_WQE
:
857 rspiocbq
= container_of(cq_event
, struct lpfc_iocbq
,
859 lpfc_sli_release_iocbq(phba
, rspiocbq
);
861 case CQE_CODE_RECEIVE
:
862 case CQE_CODE_RECEIVE_V1
:
863 dmabuf
= container_of(cq_event
, struct hbq_dmabuf
,
865 lpfc_in_buf_free(phba
, &dmabuf
->dbuf
);
871 * lpfc_hba_free_post_buf - Perform lpfc uninitialization after HBA reset
872 * @phba: pointer to lpfc HBA data structure.
874 * This routine will cleanup posted ELS buffers after the HBA is reset
875 * when bringing down the SLI Layer.
882 lpfc_hba_free_post_buf(struct lpfc_hba
*phba
)
884 struct lpfc_sli
*psli
= &phba
->sli
;
885 struct lpfc_sli_ring
*pring
;
886 struct lpfc_dmabuf
*mp
, *next_mp
;
890 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)
891 lpfc_sli_hbqbuf_free_all(phba
);
893 /* Cleanup preposted buffers on the ELS ring */
894 pring
= &psli
->ring
[LPFC_ELS_RING
];
895 spin_lock_irq(&phba
->hbalock
);
896 list_splice_init(&pring
->postbufq
, &buflist
);
897 spin_unlock_irq(&phba
->hbalock
);
900 list_for_each_entry_safe(mp
, next_mp
, &buflist
, list
) {
903 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
907 spin_lock_irq(&phba
->hbalock
);
908 pring
->postbufq_cnt
-= count
;
909 spin_unlock_irq(&phba
->hbalock
);
914 * lpfc_hba_clean_txcmplq - Perform lpfc uninitialization after HBA reset
915 * @phba: pointer to lpfc HBA data structure.
917 * This routine will cleanup the txcmplq after the HBA is reset when bringing
918 * down the SLI Layer.
924 lpfc_hba_clean_txcmplq(struct lpfc_hba
*phba
)
926 struct lpfc_sli
*psli
= &phba
->sli
;
927 struct lpfc_sli_ring
*pring
;
928 LIST_HEAD(completions
);
931 for (i
= 0; i
< psli
->num_rings
; i
++) {
932 pring
= &psli
->ring
[i
];
933 if (phba
->sli_rev
>= LPFC_SLI_REV4
)
934 spin_lock_irq(&pring
->ring_lock
);
936 spin_lock_irq(&phba
->hbalock
);
937 /* At this point in time the HBA is either reset or DOA. Either
938 * way, nothing should be on txcmplq as it will NEVER complete.
940 list_splice_init(&pring
->txcmplq
, &completions
);
941 pring
->txcmplq_cnt
= 0;
943 if (phba
->sli_rev
>= LPFC_SLI_REV4
)
944 spin_unlock_irq(&pring
->ring_lock
);
946 spin_unlock_irq(&phba
->hbalock
);
948 /* Cancel all the IOCBs from the completions list */
949 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
951 lpfc_sli_abort_iocb_ring(phba
, pring
);
956 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
958 * @phba: pointer to lpfc HBA data structure.
960 * This routine will do uninitialization after the HBA is reset when bring
961 * down the SLI Layer.
965 * Any other value - error.
968 lpfc_hba_down_post_s3(struct lpfc_hba
*phba
)
970 lpfc_hba_free_post_buf(phba
);
971 lpfc_hba_clean_txcmplq(phba
);
976 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
977 * @phba: pointer to lpfc HBA data structure.
979 * This routine will do uninitialization after the HBA is reset when bring
980 * down the SLI Layer.
984 * Any other value - error.
987 lpfc_hba_down_post_s4(struct lpfc_hba
*phba
)
989 struct lpfc_scsi_buf
*psb
, *psb_next
;
991 unsigned long iflag
= 0;
992 struct lpfc_sglq
*sglq_entry
= NULL
;
993 struct lpfc_sli
*psli
= &phba
->sli
;
994 struct lpfc_sli_ring
*pring
;
996 lpfc_hba_free_post_buf(phba
);
997 lpfc_hba_clean_txcmplq(phba
);
998 pring
= &psli
->ring
[LPFC_ELS_RING
];
1000 /* At this point in time the HBA is either reset or DOA. Either
1001 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
1002 * on the lpfc_sgl_list so that it can either be freed if the
1003 * driver is unloading or reposted if the driver is restarting
1006 spin_lock_irq(&phba
->hbalock
); /* required for lpfc_sgl_list and */
1008 /* abts_sgl_list_lock required because worker thread uses this
1011 spin_lock(&phba
->sli4_hba
.abts_sgl_list_lock
);
1012 list_for_each_entry(sglq_entry
,
1013 &phba
->sli4_hba
.lpfc_abts_els_sgl_list
, list
)
1014 sglq_entry
->state
= SGL_FREED
;
1016 spin_lock(&pring
->ring_lock
);
1017 list_splice_init(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
,
1018 &phba
->sli4_hba
.lpfc_sgl_list
);
1019 spin_unlock(&pring
->ring_lock
);
1020 spin_unlock(&phba
->sli4_hba
.abts_sgl_list_lock
);
1021 /* abts_scsi_buf_list_lock required because worker thread uses this
1024 spin_lock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
1025 list_splice_init(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
,
1027 spin_unlock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
1028 spin_unlock_irq(&phba
->hbalock
);
1030 list_for_each_entry_safe(psb
, psb_next
, &aborts
, list
) {
1032 psb
->status
= IOSTAT_SUCCESS
;
1034 spin_lock_irqsave(&phba
->scsi_buf_list_put_lock
, iflag
);
1035 list_splice(&aborts
, &phba
->lpfc_scsi_buf_list_put
);
1036 spin_unlock_irqrestore(&phba
->scsi_buf_list_put_lock
, iflag
);
1038 lpfc_sli4_free_sp_events(phba
);
1043 * lpfc_hba_down_post - Wrapper func for hba down post routine
1044 * @phba: pointer to lpfc HBA data structure.
1046 * This routine wraps the actual SLI3 or SLI4 routine for performing
1047 * uninitialization after the HBA is reset when bring down the SLI Layer.
1051 * Any other value - error.
1054 lpfc_hba_down_post(struct lpfc_hba
*phba
)
1056 return (*phba
->lpfc_hba_down_post
)(phba
);
1060 * lpfc_hb_timeout - The HBA-timer timeout handler
1061 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
1063 * This is the HBA-timer timeout handler registered to the lpfc driver. When
1064 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
1065 * work-port-events bitmap and the worker thread is notified. This timeout
1066 * event will be used by the worker thread to invoke the actual timeout
1067 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
1068 * be performed in the timeout handler and the HBA timeout event bit shall
1069 * be cleared by the worker thread after it has taken the event bitmap out.
1072 lpfc_hb_timeout(unsigned long ptr
)
1074 struct lpfc_hba
*phba
;
1075 uint32_t tmo_posted
;
1076 unsigned long iflag
;
1078 phba
= (struct lpfc_hba
*)ptr
;
1080 /* Check for heart beat timeout conditions */
1081 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
1082 tmo_posted
= phba
->pport
->work_port_events
& WORKER_HB_TMO
;
1084 phba
->pport
->work_port_events
|= WORKER_HB_TMO
;
1085 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
1087 /* Tell the worker thread there is work to do */
1089 lpfc_worker_wake_up(phba
);
1094 * lpfc_rrq_timeout - The RRQ-timer timeout handler
1095 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
1097 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
1098 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
1099 * work-port-events bitmap and the worker thread is notified. This timeout
1100 * event will be used by the worker thread to invoke the actual timeout
1101 * handler routine, lpfc_rrq_handler. Any periodical operations will
1102 * be performed in the timeout handler and the RRQ timeout event bit shall
1103 * be cleared by the worker thread after it has taken the event bitmap out.
1106 lpfc_rrq_timeout(unsigned long ptr
)
1108 struct lpfc_hba
*phba
;
1109 unsigned long iflag
;
1111 phba
= (struct lpfc_hba
*)ptr
;
1112 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
1113 if (!(phba
->pport
->load_flag
& FC_UNLOADING
))
1114 phba
->hba_flag
|= HBA_RRQ_ACTIVE
;
1116 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
1117 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
1119 if (!(phba
->pport
->load_flag
& FC_UNLOADING
))
1120 lpfc_worker_wake_up(phba
);
1124 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
1125 * @phba: pointer to lpfc hba data structure.
1126 * @pmboxq: pointer to the driver internal queue element for mailbox command.
1128 * This is the callback function to the lpfc heart-beat mailbox command.
1129 * If configured, the lpfc driver issues the heart-beat mailbox command to
1130 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
1131 * heart-beat mailbox command is issued, the driver shall set up heart-beat
1132 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
1133 * heart-beat outstanding state. Once the mailbox command comes back and
1134 * no error conditions detected, the heart-beat mailbox command timer is
1135 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1136 * state is cleared for the next heart-beat. If the timer expired with the
1137 * heart-beat outstanding state set, the driver will put the HBA offline.
1140 lpfc_hb_mbox_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
1142 unsigned long drvr_flag
;
1144 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
1145 phba
->hb_outstanding
= 0;
1146 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
1148 /* Check and reset heart-beat timer is necessary */
1149 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1150 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
) &&
1151 !(phba
->link_state
== LPFC_HBA_ERROR
) &&
1152 !(phba
->pport
->load_flag
& FC_UNLOADING
))
1153 mod_timer(&phba
->hb_tmofunc
,
1155 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
1160 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
1161 * @phba: pointer to lpfc hba data structure.
1163 * This is the actual HBA-timer timeout handler to be invoked by the worker
1164 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1165 * handler performs any periodic operations needed for the device. If such
1166 * periodic event has already been attended to either in the interrupt handler
1167 * or by processing slow-ring or fast-ring events within the HBA-timer
1168 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1169 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1170 * is configured and there is no heart-beat mailbox command outstanding, a
1171 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1172 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1176 lpfc_hb_timeout_handler(struct lpfc_hba
*phba
)
1178 struct lpfc_vport
**vports
;
1179 LPFC_MBOXQ_t
*pmboxq
;
1180 struct lpfc_dmabuf
*buf_ptr
;
1182 struct lpfc_sli
*psli
= &phba
->sli
;
1183 LIST_HEAD(completions
);
1185 vports
= lpfc_create_vport_work_array(phba
);
1187 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
1188 lpfc_rcv_seq_check_edtov(vports
[i
]);
1189 lpfc_destroy_vport_work_array(phba
, vports
);
1191 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
1192 (phba
->pport
->load_flag
& FC_UNLOADING
) ||
1193 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
1196 spin_lock_irq(&phba
->pport
->work_port_lock
);
1198 if (time_after(phba
->last_completion_time
+
1199 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
),
1201 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1202 if (!phba
->hb_outstanding
)
1203 mod_timer(&phba
->hb_tmofunc
,
1205 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
1207 mod_timer(&phba
->hb_tmofunc
,
1209 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1212 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1214 if (phba
->elsbuf_cnt
&&
1215 (phba
->elsbuf_cnt
== phba
->elsbuf_prev_cnt
)) {
1216 spin_lock_irq(&phba
->hbalock
);
1217 list_splice_init(&phba
->elsbuf
, &completions
);
1218 phba
->elsbuf_cnt
= 0;
1219 phba
->elsbuf_prev_cnt
= 0;
1220 spin_unlock_irq(&phba
->hbalock
);
1222 while (!list_empty(&completions
)) {
1223 list_remove_head(&completions
, buf_ptr
,
1224 struct lpfc_dmabuf
, list
);
1225 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
1229 phba
->elsbuf_prev_cnt
= phba
->elsbuf_cnt
;
1231 /* If there is no heart beat outstanding, issue a heartbeat command */
1232 if (phba
->cfg_enable_hba_heartbeat
) {
1233 if (!phba
->hb_outstanding
) {
1234 if ((!(psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
)) &&
1235 (list_empty(&psli
->mboxq
))) {
1236 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,
1239 mod_timer(&phba
->hb_tmofunc
,
1241 msecs_to_jiffies(1000 *
1242 LPFC_HB_MBOX_INTERVAL
));
1246 lpfc_heart_beat(phba
, pmboxq
);
1247 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
1248 pmboxq
->vport
= phba
->pport
;
1249 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
,
1252 if (retval
!= MBX_BUSY
&&
1253 retval
!= MBX_SUCCESS
) {
1254 mempool_free(pmboxq
,
1255 phba
->mbox_mem_pool
);
1256 mod_timer(&phba
->hb_tmofunc
,
1258 msecs_to_jiffies(1000 *
1259 LPFC_HB_MBOX_INTERVAL
));
1262 phba
->skipped_hb
= 0;
1263 phba
->hb_outstanding
= 1;
1264 } else if (time_before_eq(phba
->last_completion_time
,
1265 phba
->skipped_hb
)) {
1266 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1267 "2857 Last completion time not "
1268 " updated in %d ms\n",
1269 jiffies_to_msecs(jiffies
1270 - phba
->last_completion_time
));
1272 phba
->skipped_hb
= jiffies
;
1274 mod_timer(&phba
->hb_tmofunc
,
1276 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1280 * If heart beat timeout called with hb_outstanding set
1281 * we need to give the hb mailbox cmd a chance to
1284 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1285 "0459 Adapter heartbeat still out"
1286 "standing:last compl time was %d ms.\n",
1287 jiffies_to_msecs(jiffies
1288 - phba
->last_completion_time
));
1289 mod_timer(&phba
->hb_tmofunc
,
1291 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1297 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
1298 * @phba: pointer to lpfc hba data structure.
1300 * This routine is called to bring the HBA offline when HBA hardware error
1301 * other than Port Error 6 has been detected.
1304 lpfc_offline_eratt(struct lpfc_hba
*phba
)
1306 struct lpfc_sli
*psli
= &phba
->sli
;
1308 spin_lock_irq(&phba
->hbalock
);
1309 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1310 spin_unlock_irq(&phba
->hbalock
);
1311 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1314 lpfc_reset_barrier(phba
);
1315 spin_lock_irq(&phba
->hbalock
);
1316 lpfc_sli_brdreset(phba
);
1317 spin_unlock_irq(&phba
->hbalock
);
1318 lpfc_hba_down_post(phba
);
1319 lpfc_sli_brdready(phba
, HS_MBRDY
);
1320 lpfc_unblock_mgmt_io(phba
);
1321 phba
->link_state
= LPFC_HBA_ERROR
;
1326 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1327 * @phba: pointer to lpfc hba data structure.
1329 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1330 * other than Port Error 6 has been detected.
1333 lpfc_sli4_offline_eratt(struct lpfc_hba
*phba
)
1335 spin_lock_irq(&phba
->hbalock
);
1336 phba
->link_state
= LPFC_HBA_ERROR
;
1337 spin_unlock_irq(&phba
->hbalock
);
1339 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1341 lpfc_hba_down_post(phba
);
1342 lpfc_unblock_mgmt_io(phba
);
1346 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1347 * @phba: pointer to lpfc hba data structure.
1349 * This routine is invoked to handle the deferred HBA hardware error
1350 * conditions. This type of error is indicated by HBA by setting ER1
1351 * and another ER bit in the host status register. The driver will
1352 * wait until the ER1 bit clears before handling the error condition.
1355 lpfc_handle_deferred_eratt(struct lpfc_hba
*phba
)
1357 uint32_t old_host_status
= phba
->work_hs
;
1358 struct lpfc_sli
*psli
= &phba
->sli
;
1360 /* If the pci channel is offline, ignore possible errors,
1361 * since we cannot communicate with the pci card anyway.
1363 if (pci_channel_offline(phba
->pcidev
)) {
1364 spin_lock_irq(&phba
->hbalock
);
1365 phba
->hba_flag
&= ~DEFER_ERATT
;
1366 spin_unlock_irq(&phba
->hbalock
);
1370 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1371 "0479 Deferred Adapter Hardware Error "
1372 "Data: x%x x%x x%x\n",
1374 phba
->work_status
[0], phba
->work_status
[1]);
1376 spin_lock_irq(&phba
->hbalock
);
1377 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1378 spin_unlock_irq(&phba
->hbalock
);
1382 * Firmware stops when it triggred erratt. That could cause the I/Os
1383 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1384 * SCSI layer retry it after re-establishing link.
1386 lpfc_sli_abort_fcp_rings(phba
);
1389 * There was a firmware error. Take the hba offline and then
1390 * attempt to restart it.
1392 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
1395 /* Wait for the ER1 bit to clear.*/
1396 while (phba
->work_hs
& HS_FFER1
) {
1398 if (lpfc_readl(phba
->HSregaddr
, &phba
->work_hs
)) {
1399 phba
->work_hs
= UNPLUG_ERR
;
1402 /* If driver is unloading let the worker thread continue */
1403 if (phba
->pport
->load_flag
& FC_UNLOADING
) {
1410 * This is to ptrotect against a race condition in which
1411 * first write to the host attention register clear the
1412 * host status register.
1414 if ((!phba
->work_hs
) && (!(phba
->pport
->load_flag
& FC_UNLOADING
)))
1415 phba
->work_hs
= old_host_status
& ~HS_FFER1
;
1417 spin_lock_irq(&phba
->hbalock
);
1418 phba
->hba_flag
&= ~DEFER_ERATT
;
1419 spin_unlock_irq(&phba
->hbalock
);
1420 phba
->work_status
[0] = readl(phba
->MBslimaddr
+ 0xa8);
1421 phba
->work_status
[1] = readl(phba
->MBslimaddr
+ 0xac);
1425 lpfc_board_errevt_to_mgmt(struct lpfc_hba
*phba
)
1427 struct lpfc_board_event_header board_event
;
1428 struct Scsi_Host
*shost
;
1430 board_event
.event_type
= FC_REG_BOARD_EVENT
;
1431 board_event
.subcategory
= LPFC_EVENT_PORTINTERR
;
1432 shost
= lpfc_shost_from_vport(phba
->pport
);
1433 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1434 sizeof(board_event
),
1435 (char *) &board_event
,
1440 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
1441 * @phba: pointer to lpfc hba data structure.
1443 * This routine is invoked to handle the following HBA hardware error
1445 * 1 - HBA error attention interrupt
1446 * 2 - DMA ring index out of range
1447 * 3 - Mailbox command came back as unknown
1450 lpfc_handle_eratt_s3(struct lpfc_hba
*phba
)
1452 struct lpfc_vport
*vport
= phba
->pport
;
1453 struct lpfc_sli
*psli
= &phba
->sli
;
1454 uint32_t event_data
;
1455 unsigned long temperature
;
1456 struct temp_event temp_event_data
;
1457 struct Scsi_Host
*shost
;
1459 /* If the pci channel is offline, ignore possible errors,
1460 * since we cannot communicate with the pci card anyway.
1462 if (pci_channel_offline(phba
->pcidev
)) {
1463 spin_lock_irq(&phba
->hbalock
);
1464 phba
->hba_flag
&= ~DEFER_ERATT
;
1465 spin_unlock_irq(&phba
->hbalock
);
1469 /* If resets are disabled then leave the HBA alone and return */
1470 if (!phba
->cfg_enable_hba_reset
)
1473 /* Send an internal error event to mgmt application */
1474 lpfc_board_errevt_to_mgmt(phba
);
1476 if (phba
->hba_flag
& DEFER_ERATT
)
1477 lpfc_handle_deferred_eratt(phba
);
1479 if ((phba
->work_hs
& HS_FFER6
) || (phba
->work_hs
& HS_FFER8
)) {
1480 if (phba
->work_hs
& HS_FFER6
)
1481 /* Re-establishing Link */
1482 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1483 "1301 Re-establishing Link "
1484 "Data: x%x x%x x%x\n",
1485 phba
->work_hs
, phba
->work_status
[0],
1486 phba
->work_status
[1]);
1487 if (phba
->work_hs
& HS_FFER8
)
1488 /* Device Zeroization */
1489 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1490 "2861 Host Authentication device "
1491 "zeroization Data:x%x x%x x%x\n",
1492 phba
->work_hs
, phba
->work_status
[0],
1493 phba
->work_status
[1]);
1495 spin_lock_irq(&phba
->hbalock
);
1496 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1497 spin_unlock_irq(&phba
->hbalock
);
1500 * Firmware stops when it triggled erratt with HS_FFER6.
1501 * That could cause the I/Os dropped by the firmware.
1502 * Error iocb (I/O) on txcmplq and let the SCSI layer
1503 * retry it after re-establishing link.
1505 lpfc_sli_abort_fcp_rings(phba
);
1508 * There was a firmware error. Take the hba offline and then
1509 * attempt to restart it.
1511 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1513 lpfc_sli_brdrestart(phba
);
1514 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
1515 lpfc_unblock_mgmt_io(phba
);
1518 lpfc_unblock_mgmt_io(phba
);
1519 } else if (phba
->work_hs
& HS_CRIT_TEMP
) {
1520 temperature
= readl(phba
->MBslimaddr
+ TEMPERATURE_OFFSET
);
1521 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1522 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1523 temp_event_data
.data
= (uint32_t)temperature
;
1525 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1526 "0406 Adapter maximum temperature exceeded "
1527 "(%ld), taking this port offline "
1528 "Data: x%x x%x x%x\n",
1529 temperature
, phba
->work_hs
,
1530 phba
->work_status
[0], phba
->work_status
[1]);
1532 shost
= lpfc_shost_from_vport(phba
->pport
);
1533 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1534 sizeof(temp_event_data
),
1535 (char *) &temp_event_data
,
1536 SCSI_NL_VID_TYPE_PCI
1537 | PCI_VENDOR_ID_EMULEX
);
1539 spin_lock_irq(&phba
->hbalock
);
1540 phba
->over_temp_state
= HBA_OVER_TEMP
;
1541 spin_unlock_irq(&phba
->hbalock
);
1542 lpfc_offline_eratt(phba
);
1545 /* The if clause above forces this code path when the status
1546 * failure is a value other than FFER6. Do not call the offline
1547 * twice. This is the adapter hardware error path.
1549 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1550 "0457 Adapter Hardware Error "
1551 "Data: x%x x%x x%x\n",
1553 phba
->work_status
[0], phba
->work_status
[1]);
1555 event_data
= FC_REG_DUMP_EVENT
;
1556 shost
= lpfc_shost_from_vport(vport
);
1557 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1558 sizeof(event_data
), (char *) &event_data
,
1559 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1561 lpfc_offline_eratt(phba
);
1567 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
1568 * @phba: pointer to lpfc hba data structure.
1569 * @mbx_action: flag for mailbox shutdown action.
1571 * This routine is invoked to perform an SLI4 port PCI function reset in
1572 * response to port status register polling attention. It waits for port
1573 * status register (ERR, RDY, RN) bits before proceeding with function reset.
1574 * During this process, interrupt vectors are freed and later requested
1575 * for handling possible port resource change.
1578 lpfc_sli4_port_sta_fn_reset(struct lpfc_hba
*phba
, int mbx_action
,
1585 * On error status condition, driver need to wait for port
1586 * ready before performing reset.
1588 rc
= lpfc_sli4_pdev_status_reg_wait(phba
);
1590 /* need reset: attempt for port recovery */
1592 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1593 "2887 Reset Needed: Attempting Port "
1595 lpfc_offline_prep(phba
, mbx_action
);
1597 /* release interrupt for possible resource change */
1598 lpfc_sli4_disable_intr(phba
);
1599 lpfc_sli_brdrestart(phba
);
1600 /* request and enable interrupt */
1601 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
1602 if (intr_mode
== LPFC_INTR_ERROR
) {
1603 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1604 "3175 Failed to enable interrupt\n");
1607 phba
->intr_mode
= intr_mode
;
1609 rc
= lpfc_online(phba
);
1611 lpfc_unblock_mgmt_io(phba
);
1617 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1618 * @phba: pointer to lpfc hba data structure.
1620 * This routine is invoked to handle the SLI4 HBA hardware error attention
1624 lpfc_handle_eratt_s4(struct lpfc_hba
*phba
)
1626 struct lpfc_vport
*vport
= phba
->pport
;
1627 uint32_t event_data
;
1628 struct Scsi_Host
*shost
;
1630 struct lpfc_register portstat_reg
= {0};
1631 uint32_t reg_err1
, reg_err2
;
1632 uint32_t uerrlo_reg
, uemasklo_reg
;
1633 uint32_t pci_rd_rc1
, pci_rd_rc2
;
1634 bool en_rn_msg
= true;
1635 struct temp_event temp_event_data
;
1638 /* If the pci channel is offline, ignore possible errors, since
1639 * we cannot communicate with the pci card anyway.
1641 if (pci_channel_offline(phba
->pcidev
))
1644 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
1646 case LPFC_SLI_INTF_IF_TYPE_0
:
1647 pci_rd_rc1
= lpfc_readl(
1648 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
,
1650 pci_rd_rc2
= lpfc_readl(
1651 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
,
1653 /* consider PCI bus read error as pci_channel_offline */
1654 if (pci_rd_rc1
== -EIO
&& pci_rd_rc2
== -EIO
)
1656 lpfc_sli4_offline_eratt(phba
);
1659 case LPFC_SLI_INTF_IF_TYPE_2
:
1660 pci_rd_rc1
= lpfc_readl(
1661 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
1662 &portstat_reg
.word0
);
1663 /* consider PCI bus read error as pci_channel_offline */
1664 if (pci_rd_rc1
== -EIO
) {
1665 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1666 "3151 PCI bus read access failure: x%x\n",
1667 readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
));
1670 reg_err1
= readl(phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
1671 reg_err2
= readl(phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
1672 if (bf_get(lpfc_sliport_status_oti
, &portstat_reg
)) {
1673 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1674 "2889 Port Overtemperature event, "
1675 "taking port offline Data: x%x x%x\n",
1676 reg_err1
, reg_err2
);
1678 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1679 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1680 temp_event_data
.data
= 0xFFFFFFFF;
1682 shost
= lpfc_shost_from_vport(phba
->pport
);
1683 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1684 sizeof(temp_event_data
),
1685 (char *)&temp_event_data
,
1686 SCSI_NL_VID_TYPE_PCI
1687 | PCI_VENDOR_ID_EMULEX
);
1689 spin_lock_irq(&phba
->hbalock
);
1690 phba
->over_temp_state
= HBA_OVER_TEMP
;
1691 spin_unlock_irq(&phba
->hbalock
);
1692 lpfc_sli4_offline_eratt(phba
);
1695 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1696 reg_err2
== SLIPORT_ERR2_REG_FW_RESTART
) {
1697 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1698 "3143 Port Down: Firmware Update "
1701 } else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1702 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1703 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1704 "3144 Port Down: Debug Dump\n");
1705 else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1706 reg_err2
== SLIPORT_ERR2_REG_FUNC_PROVISON
)
1707 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1708 "3145 Port Down: Provisioning\n");
1710 /* If resets are disabled then leave the HBA alone and return */
1711 if (!phba
->cfg_enable_hba_reset
)
1714 /* Check port status register for function reset */
1715 rc
= lpfc_sli4_port_sta_fn_reset(phba
, LPFC_MBX_NO_WAIT
,
1718 /* don't report event on forced debug dump */
1719 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1720 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1725 /* fall through for not able to recover */
1726 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1727 "3152 Unrecoverable error, bring the port "
1729 lpfc_sli4_offline_eratt(phba
);
1731 case LPFC_SLI_INTF_IF_TYPE_1
:
1735 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1736 "3123 Report dump event to upper layer\n");
1737 /* Send an internal error event to mgmt application */
1738 lpfc_board_errevt_to_mgmt(phba
);
1740 event_data
= FC_REG_DUMP_EVENT
;
1741 shost
= lpfc_shost_from_vport(vport
);
1742 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1743 sizeof(event_data
), (char *) &event_data
,
1744 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1748 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1749 * @phba: pointer to lpfc HBA data structure.
1751 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1752 * routine from the API jump table function pointer from the lpfc_hba struct.
1756 * Any other value - error.
1759 lpfc_handle_eratt(struct lpfc_hba
*phba
)
1761 (*phba
->lpfc_handle_eratt
)(phba
);
1765 * lpfc_handle_latt - The HBA link event handler
1766 * @phba: pointer to lpfc hba data structure.
1768 * This routine is invoked from the worker thread to handle a HBA host
1769 * attention link event.
1772 lpfc_handle_latt(struct lpfc_hba
*phba
)
1774 struct lpfc_vport
*vport
= phba
->pport
;
1775 struct lpfc_sli
*psli
= &phba
->sli
;
1777 volatile uint32_t control
;
1778 struct lpfc_dmabuf
*mp
;
1781 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1784 goto lpfc_handle_latt_err_exit
;
1787 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
1790 goto lpfc_handle_latt_free_pmb
;
1793 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
1796 goto lpfc_handle_latt_free_mp
;
1799 /* Cleanup any outstanding ELS commands */
1800 lpfc_els_flush_all_cmd(phba
);
1802 psli
->slistat
.link_event
++;
1803 lpfc_read_topology(phba
, pmb
, mp
);
1804 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
1806 /* Block ELS IOCBs until we have processed this mbox command */
1807 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
1808 rc
= lpfc_sli_issue_mbox (phba
, pmb
, MBX_NOWAIT
);
1809 if (rc
== MBX_NOT_FINISHED
) {
1811 goto lpfc_handle_latt_free_mbuf
;
1814 /* Clear Link Attention in HA REG */
1815 spin_lock_irq(&phba
->hbalock
);
1816 writel(HA_LATT
, phba
->HAregaddr
);
1817 readl(phba
->HAregaddr
); /* flush */
1818 spin_unlock_irq(&phba
->hbalock
);
1822 lpfc_handle_latt_free_mbuf
:
1823 phba
->sli
.ring
[LPFC_ELS_RING
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
1824 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1825 lpfc_handle_latt_free_mp
:
1827 lpfc_handle_latt_free_pmb
:
1828 mempool_free(pmb
, phba
->mbox_mem_pool
);
1829 lpfc_handle_latt_err_exit
:
1830 /* Enable Link attention interrupts */
1831 spin_lock_irq(&phba
->hbalock
);
1832 psli
->sli_flag
|= LPFC_PROCESS_LA
;
1833 control
= readl(phba
->HCregaddr
);
1834 control
|= HC_LAINT_ENA
;
1835 writel(control
, phba
->HCregaddr
);
1836 readl(phba
->HCregaddr
); /* flush */
1838 /* Clear Link Attention in HA REG */
1839 writel(HA_LATT
, phba
->HAregaddr
);
1840 readl(phba
->HAregaddr
); /* flush */
1841 spin_unlock_irq(&phba
->hbalock
);
1842 lpfc_linkdown(phba
);
1843 phba
->link_state
= LPFC_HBA_ERROR
;
1845 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1846 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc
);
1852 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
1853 * @phba: pointer to lpfc hba data structure.
1854 * @vpd: pointer to the vital product data.
1855 * @len: length of the vital product data in bytes.
1857 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1858 * an array of characters. In this routine, the ModelName, ProgramType, and
1859 * ModelDesc, etc. fields of the phba data structure will be populated.
1862 * 0 - pointer to the VPD passed in is NULL
1866 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
1868 uint8_t lenlo
, lenhi
;
1878 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1879 "0455 Vital Product Data: x%x x%x x%x x%x\n",
1880 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
1882 while (!finished
&& (index
< (len
- 4))) {
1883 switch (vpd
[index
]) {
1891 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1900 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1901 if (Length
> len
- index
)
1902 Length
= len
- index
;
1903 while (Length
> 0) {
1904 /* Look for Serial Number */
1905 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
1912 phba
->SerialNumber
[j
++] = vpd
[index
++];
1916 phba
->SerialNumber
[j
] = 0;
1919 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
1920 phba
->vpd_flag
|= VPD_MODEL_DESC
;
1927 phba
->ModelDesc
[j
++] = vpd
[index
++];
1931 phba
->ModelDesc
[j
] = 0;
1934 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
1935 phba
->vpd_flag
|= VPD_MODEL_NAME
;
1942 phba
->ModelName
[j
++] = vpd
[index
++];
1946 phba
->ModelName
[j
] = 0;
1949 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
1950 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
1957 phba
->ProgramType
[j
++] = vpd
[index
++];
1961 phba
->ProgramType
[j
] = 0;
1964 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
1965 phba
->vpd_flag
|= VPD_PORT
;
1972 if ((phba
->sli_rev
== LPFC_SLI_REV4
) &&
1973 (phba
->sli4_hba
.pport_name_sta
==
1974 LPFC_SLI4_PPNAME_GET
)) {
1978 phba
->Port
[j
++] = vpd
[index
++];
1982 if ((phba
->sli_rev
!= LPFC_SLI_REV4
) ||
1983 (phba
->sli4_hba
.pport_name_sta
==
1984 LPFC_SLI4_PPNAME_NON
))
2011 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
2012 * @phba: pointer to lpfc hba data structure.
2013 * @mdp: pointer to the data structure to hold the derived model name.
2014 * @descp: pointer to the data structure to hold the derived description.
2016 * This routine retrieves HBA's description based on its registered PCI device
2017 * ID. The @descp passed into this function points to an array of 256 chars. It
2018 * shall be returned with the model name, maximum speed, and the host bus type.
2019 * The @mdp passed into this function points to an array of 80 chars. When the
2020 * function returns, the @mdp will be filled with the model name.
2023 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
2026 uint16_t dev_id
= phba
->pcidev
->device
;
2029 int oneConnect
= 0; /* default is not a oneConnect */
2034 } m
= {"<Unknown>", "", ""};
2036 if (mdp
&& mdp
[0] != '\0'
2037 && descp
&& descp
[0] != '\0')
2040 if (phba
->lmt
& LMT_32Gb
)
2042 else if (phba
->lmt
& LMT_16Gb
)
2044 else if (phba
->lmt
& LMT_10Gb
)
2046 else if (phba
->lmt
& LMT_8Gb
)
2048 else if (phba
->lmt
& LMT_4Gb
)
2050 else if (phba
->lmt
& LMT_2Gb
)
2052 else if (phba
->lmt
& LMT_1Gb
)
2060 case PCI_DEVICE_ID_FIREFLY
:
2061 m
= (typeof(m
)){"LP6000", "PCI",
2062 "Obsolete, Unsupported Fibre Channel Adapter"};
2064 case PCI_DEVICE_ID_SUPERFLY
:
2065 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
2066 m
= (typeof(m
)){"LP7000", "PCI", ""};
2068 m
= (typeof(m
)){"LP7000E", "PCI", ""};
2069 m
.function
= "Obsolete, Unsupported Fibre Channel Adapter";
2071 case PCI_DEVICE_ID_DRAGONFLY
:
2072 m
= (typeof(m
)){"LP8000", "PCI",
2073 "Obsolete, Unsupported Fibre Channel Adapter"};
2075 case PCI_DEVICE_ID_CENTAUR
:
2076 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
2077 m
= (typeof(m
)){"LP9002", "PCI", ""};
2079 m
= (typeof(m
)){"LP9000", "PCI", ""};
2080 m
.function
= "Obsolete, Unsupported Fibre Channel Adapter";
2082 case PCI_DEVICE_ID_RFLY
:
2083 m
= (typeof(m
)){"LP952", "PCI",
2084 "Obsolete, Unsupported Fibre Channel Adapter"};
2086 case PCI_DEVICE_ID_PEGASUS
:
2087 m
= (typeof(m
)){"LP9802", "PCI-X",
2088 "Obsolete, Unsupported Fibre Channel Adapter"};
2090 case PCI_DEVICE_ID_THOR
:
2091 m
= (typeof(m
)){"LP10000", "PCI-X",
2092 "Obsolete, Unsupported Fibre Channel Adapter"};
2094 case PCI_DEVICE_ID_VIPER
:
2095 m
= (typeof(m
)){"LPX1000", "PCI-X",
2096 "Obsolete, Unsupported Fibre Channel Adapter"};
2098 case PCI_DEVICE_ID_PFLY
:
2099 m
= (typeof(m
)){"LP982", "PCI-X",
2100 "Obsolete, Unsupported Fibre Channel Adapter"};
2102 case PCI_DEVICE_ID_TFLY
:
2103 m
= (typeof(m
)){"LP1050", "PCI-X",
2104 "Obsolete, Unsupported Fibre Channel Adapter"};
2106 case PCI_DEVICE_ID_HELIOS
:
2107 m
= (typeof(m
)){"LP11000", "PCI-X2",
2108 "Obsolete, Unsupported Fibre Channel Adapter"};
2110 case PCI_DEVICE_ID_HELIOS_SCSP
:
2111 m
= (typeof(m
)){"LP11000-SP", "PCI-X2",
2112 "Obsolete, Unsupported Fibre Channel Adapter"};
2114 case PCI_DEVICE_ID_HELIOS_DCSP
:
2115 m
= (typeof(m
)){"LP11002-SP", "PCI-X2",
2116 "Obsolete, Unsupported Fibre Channel Adapter"};
2118 case PCI_DEVICE_ID_NEPTUNE
:
2119 m
= (typeof(m
)){"LPe1000", "PCIe",
2120 "Obsolete, Unsupported Fibre Channel Adapter"};
2122 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
2123 m
= (typeof(m
)){"LPe1000-SP", "PCIe",
2124 "Obsolete, Unsupported Fibre Channel Adapter"};
2126 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
2127 m
= (typeof(m
)){"LPe1002-SP", "PCIe",
2128 "Obsolete, Unsupported Fibre Channel Adapter"};
2130 case PCI_DEVICE_ID_BMID
:
2131 m
= (typeof(m
)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
2133 case PCI_DEVICE_ID_BSMB
:
2134 m
= (typeof(m
)){"LP111", "PCI-X2",
2135 "Obsolete, Unsupported Fibre Channel Adapter"};
2137 case PCI_DEVICE_ID_ZEPHYR
:
2138 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
2140 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
2141 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
2143 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
2144 m
= (typeof(m
)){"LP2105", "PCIe", "FCoE Adapter"};
2147 case PCI_DEVICE_ID_ZMID
:
2148 m
= (typeof(m
)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
2150 case PCI_DEVICE_ID_ZSMB
:
2151 m
= (typeof(m
)){"LPe111", "PCIe", "Fibre Channel Adapter"};
2153 case PCI_DEVICE_ID_LP101
:
2154 m
= (typeof(m
)){"LP101", "PCI-X",
2155 "Obsolete, Unsupported Fibre Channel Adapter"};
2157 case PCI_DEVICE_ID_LP10000S
:
2158 m
= (typeof(m
)){"LP10000-S", "PCI",
2159 "Obsolete, Unsupported Fibre Channel Adapter"};
2161 case PCI_DEVICE_ID_LP11000S
:
2162 m
= (typeof(m
)){"LP11000-S", "PCI-X2",
2163 "Obsolete, Unsupported Fibre Channel Adapter"};
2165 case PCI_DEVICE_ID_LPE11000S
:
2166 m
= (typeof(m
)){"LPe11000-S", "PCIe",
2167 "Obsolete, Unsupported Fibre Channel Adapter"};
2169 case PCI_DEVICE_ID_SAT
:
2170 m
= (typeof(m
)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
2172 case PCI_DEVICE_ID_SAT_MID
:
2173 m
= (typeof(m
)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
2175 case PCI_DEVICE_ID_SAT_SMB
:
2176 m
= (typeof(m
)){"LPe121", "PCIe", "Fibre Channel Adapter"};
2178 case PCI_DEVICE_ID_SAT_DCSP
:
2179 m
= (typeof(m
)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
2181 case PCI_DEVICE_ID_SAT_SCSP
:
2182 m
= (typeof(m
)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
2184 case PCI_DEVICE_ID_SAT_S
:
2185 m
= (typeof(m
)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
2187 case PCI_DEVICE_ID_HORNET
:
2188 m
= (typeof(m
)){"LP21000", "PCIe",
2189 "Obsolete, Unsupported FCoE Adapter"};
2192 case PCI_DEVICE_ID_PROTEUS_VF
:
2193 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2194 "Obsolete, Unsupported Fibre Channel Adapter"};
2196 case PCI_DEVICE_ID_PROTEUS_PF
:
2197 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2198 "Obsolete, Unsupported Fibre Channel Adapter"};
2200 case PCI_DEVICE_ID_PROTEUS_S
:
2201 m
= (typeof(m
)){"LPemv12002-S", "PCIe IOV",
2202 "Obsolete, Unsupported Fibre Channel Adapter"};
2204 case PCI_DEVICE_ID_TIGERSHARK
:
2206 m
= (typeof(m
)){"OCe10100", "PCIe", "FCoE"};
2208 case PCI_DEVICE_ID_TOMCAT
:
2210 m
= (typeof(m
)){"OCe11100", "PCIe", "FCoE"};
2212 case PCI_DEVICE_ID_FALCON
:
2213 m
= (typeof(m
)){"LPSe12002-ML1-E", "PCIe",
2214 "EmulexSecure Fibre"};
2216 case PCI_DEVICE_ID_BALIUS
:
2217 m
= (typeof(m
)){"LPVe12002", "PCIe Shared I/O",
2218 "Obsolete, Unsupported Fibre Channel Adapter"};
2220 case PCI_DEVICE_ID_LANCER_FC
:
2221 m
= (typeof(m
)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
2223 case PCI_DEVICE_ID_LANCER_FC_VF
:
2224 m
= (typeof(m
)){"LPe16000", "PCIe",
2225 "Obsolete, Unsupported Fibre Channel Adapter"};
2227 case PCI_DEVICE_ID_LANCER_FCOE
:
2229 m
= (typeof(m
)){"OCe15100", "PCIe", "FCoE"};
2231 case PCI_DEVICE_ID_LANCER_FCOE_VF
:
2233 m
= (typeof(m
)){"OCe15100", "PCIe",
2234 "Obsolete, Unsupported FCoE"};
2236 case PCI_DEVICE_ID_LANCER_G6_FC
:
2237 m
= (typeof(m
)){"LPe32000", "PCIe", "Fibre Channel Adapter"};
2239 case PCI_DEVICE_ID_SKYHAWK
:
2240 case PCI_DEVICE_ID_SKYHAWK_VF
:
2242 m
= (typeof(m
)){"OCe14000", "PCIe", "FCoE"};
2245 m
= (typeof(m
)){"Unknown", "", ""};
2249 if (mdp
&& mdp
[0] == '\0')
2250 snprintf(mdp
, 79,"%s", m
.name
);
2252 * oneConnect hba requires special processing, they are all initiators
2253 * and we put the port number on the end
2255 if (descp
&& descp
[0] == '\0') {
2257 snprintf(descp
, 255,
2258 "Emulex OneConnect %s, %s Initiator %s",
2261 else if (max_speed
== 0)
2262 snprintf(descp
, 255,
2264 m
.name
, m
.bus
, m
.function
);
2266 snprintf(descp
, 255,
2267 "Emulex %s %d%s %s %s",
2268 m
.name
, max_speed
, (GE
) ? "GE" : "Gb",
2274 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
2275 * @phba: pointer to lpfc hba data structure.
2276 * @pring: pointer to a IOCB ring.
2277 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2279 * This routine posts a given number of IOCBs with the associated DMA buffer
2280 * descriptors specified by the cnt argument to the given IOCB ring.
2283 * The number of IOCBs NOT able to be posted to the IOCB ring.
2286 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
)
2289 struct lpfc_iocbq
*iocb
;
2290 struct lpfc_dmabuf
*mp1
, *mp2
;
2292 cnt
+= pring
->missbufcnt
;
2294 /* While there are buffers to post */
2296 /* Allocate buffer for command iocb */
2297 iocb
= lpfc_sli_get_iocbq(phba
);
2299 pring
->missbufcnt
= cnt
;
2304 /* 2 buffers can be posted per command */
2305 /* Allocate buffer to post */
2306 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2308 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
2309 if (!mp1
|| !mp1
->virt
) {
2311 lpfc_sli_release_iocbq(phba
, iocb
);
2312 pring
->missbufcnt
= cnt
;
2316 INIT_LIST_HEAD(&mp1
->list
);
2317 /* Allocate buffer to post */
2319 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2321 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
2323 if (!mp2
|| !mp2
->virt
) {
2325 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2327 lpfc_sli_release_iocbq(phba
, iocb
);
2328 pring
->missbufcnt
= cnt
;
2332 INIT_LIST_HEAD(&mp2
->list
);
2337 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
2338 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
2339 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
2340 icmd
->ulpBdeCount
= 1;
2343 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
2344 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
2345 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
2347 icmd
->ulpBdeCount
= 2;
2350 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
2353 if (lpfc_sli_issue_iocb(phba
, pring
->ringno
, iocb
, 0) ==
2355 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2359 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
2363 lpfc_sli_release_iocbq(phba
, iocb
);
2364 pring
->missbufcnt
= cnt
;
2367 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
2369 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
2371 pring
->missbufcnt
= 0;
2376 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
2377 * @phba: pointer to lpfc hba data structure.
2379 * This routine posts initial receive IOCB buffers to the ELS ring. The
2380 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2384 * 0 - success (currently always success)
2387 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
2389 struct lpfc_sli
*psli
= &phba
->sli
;
2391 /* Ring 0, ELS / CT buffers */
2392 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
);
2393 /* Ring 2 - FCP no buffers needed */
2398 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2401 * lpfc_sha_init - Set up initial array of hash table entries
2402 * @HashResultPointer: pointer to an array as hash table.
2404 * This routine sets up the initial values to the array of hash table entries
2408 lpfc_sha_init(uint32_t * HashResultPointer
)
2410 HashResultPointer
[0] = 0x67452301;
2411 HashResultPointer
[1] = 0xEFCDAB89;
2412 HashResultPointer
[2] = 0x98BADCFE;
2413 HashResultPointer
[3] = 0x10325476;
2414 HashResultPointer
[4] = 0xC3D2E1F0;
2418 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
2419 * @HashResultPointer: pointer to an initial/result hash table.
2420 * @HashWorkingPointer: pointer to an working hash table.
2422 * This routine iterates an initial hash table pointed by @HashResultPointer
2423 * with the values from the working hash table pointeed by @HashWorkingPointer.
2424 * The results are putting back to the initial hash table, returned through
2425 * the @HashResultPointer as the result hash table.
2428 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
2432 uint32_t A
, B
, C
, D
, E
;
2435 HashWorkingPointer
[t
] =
2437 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
2439 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
2440 } while (++t
<= 79);
2442 A
= HashResultPointer
[0];
2443 B
= HashResultPointer
[1];
2444 C
= HashResultPointer
[2];
2445 D
= HashResultPointer
[3];
2446 E
= HashResultPointer
[4];
2450 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
2451 } else if (t
< 40) {
2452 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
2453 } else if (t
< 60) {
2454 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
2456 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
2458 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
2464 } while (++t
<= 79);
2466 HashResultPointer
[0] += A
;
2467 HashResultPointer
[1] += B
;
2468 HashResultPointer
[2] += C
;
2469 HashResultPointer
[3] += D
;
2470 HashResultPointer
[4] += E
;
2475 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
2476 * @RandomChallenge: pointer to the entry of host challenge random number array.
2477 * @HashWorking: pointer to the entry of the working hash array.
2479 * This routine calculates the working hash array referred by @HashWorking
2480 * from the challenge random numbers associated with the host, referred by
2481 * @RandomChallenge. The result is put into the entry of the working hash
2482 * array and returned by reference through @HashWorking.
2485 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
2487 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
2491 * lpfc_hba_init - Perform special handling for LC HBA initialization
2492 * @phba: pointer to lpfc hba data structure.
2493 * @hbainit: pointer to an array of unsigned 32-bit integers.
2495 * This routine performs the special handling for LC HBA initialization.
2498 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
2501 uint32_t *HashWorking
;
2502 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
2504 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
2508 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
2509 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
2511 for (t
= 0; t
< 7; t
++)
2512 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
2514 lpfc_sha_init(hbainit
);
2515 lpfc_sha_iterate(hbainit
, HashWorking
);
2520 * lpfc_cleanup - Performs vport cleanups before deleting a vport
2521 * @vport: pointer to a virtual N_Port data structure.
2523 * This routine performs the necessary cleanups before deleting the @vport.
2524 * It invokes the discovery state machine to perform necessary state
2525 * transitions and to release the ndlps associated with the @vport. Note,
2526 * the physical port is treated as @vport 0.
2529 lpfc_cleanup(struct lpfc_vport
*vport
)
2531 struct lpfc_hba
*phba
= vport
->phba
;
2532 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2535 if (phba
->link_state
> LPFC_LINK_DOWN
)
2536 lpfc_port_link_failure(vport
);
2538 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
2539 if (!NLP_CHK_NODE_ACT(ndlp
)) {
2540 ndlp
= lpfc_enable_node(vport
, ndlp
,
2541 NLP_STE_UNUSED_NODE
);
2544 spin_lock_irq(&phba
->ndlp_lock
);
2545 NLP_SET_FREE_REQ(ndlp
);
2546 spin_unlock_irq(&phba
->ndlp_lock
);
2547 /* Trigger the release of the ndlp memory */
2551 spin_lock_irq(&phba
->ndlp_lock
);
2552 if (NLP_CHK_FREE_REQ(ndlp
)) {
2553 /* The ndlp should not be in memory free mode already */
2554 spin_unlock_irq(&phba
->ndlp_lock
);
2557 /* Indicate request for freeing ndlp memory */
2558 NLP_SET_FREE_REQ(ndlp
);
2559 spin_unlock_irq(&phba
->ndlp_lock
);
2561 if (vport
->port_type
!= LPFC_PHYSICAL_PORT
&&
2562 ndlp
->nlp_DID
== Fabric_DID
) {
2563 /* Just free up ndlp with Fabric_DID for vports */
2568 /* take care of nodes in unused state before the state
2569 * machine taking action.
2571 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
) {
2576 if (ndlp
->nlp_type
& NLP_FABRIC
)
2577 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2578 NLP_EVT_DEVICE_RECOVERY
);
2580 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2584 /* At this point, ALL ndlp's should be gone
2585 * because of the previous NLP_EVT_DEVICE_RM.
2586 * Lets wait for this to happen, if needed.
2588 while (!list_empty(&vport
->fc_nodes
)) {
2590 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
2591 "0233 Nodelist not empty\n");
2592 list_for_each_entry_safe(ndlp
, next_ndlp
,
2593 &vport
->fc_nodes
, nlp_listp
) {
2594 lpfc_printf_vlog(ndlp
->vport
, KERN_ERR
,
2596 "0282 did:x%x ndlp:x%p "
2597 "usgmap:x%x refcnt:%d\n",
2598 ndlp
->nlp_DID
, (void *)ndlp
,
2601 &ndlp
->kref
.refcount
));
2606 /* Wait for any activity on ndlps to settle */
2609 lpfc_cleanup_vports_rrqs(vport
, NULL
);
2613 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2614 * @vport: pointer to a virtual N_Port data structure.
2616 * This routine stops all the timers associated with a @vport. This function
2617 * is invoked before disabling or deleting a @vport. Note that the physical
2618 * port is treated as @vport 0.
2621 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
2623 del_timer_sync(&vport
->els_tmofunc
);
2624 del_timer_sync(&vport
->fc_fdmitmo
);
2625 del_timer_sync(&vport
->delayed_disc_tmo
);
2626 lpfc_can_disctmo(vport
);
2631 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2632 * @phba: pointer to lpfc hba data structure.
2634 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2635 * caller of this routine should already hold the host lock.
2638 __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2640 /* Clear pending FCF rediscovery wait flag */
2641 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
2643 /* Now, try to stop the timer */
2644 del_timer(&phba
->fcf
.redisc_wait
);
2648 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2649 * @phba: pointer to lpfc hba data structure.
2651 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2652 * checks whether the FCF rediscovery wait timer is pending with the host
2653 * lock held before proceeding with disabling the timer and clearing the
2654 * wait timer pendig flag.
2657 lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2659 spin_lock_irq(&phba
->hbalock
);
2660 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
2661 /* FCF rediscovery timer already fired or stopped */
2662 spin_unlock_irq(&phba
->hbalock
);
2665 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2666 /* Clear failover in progress flags */
2667 phba
->fcf
.fcf_flag
&= ~(FCF_DEAD_DISC
| FCF_ACVL_DISC
);
2668 spin_unlock_irq(&phba
->hbalock
);
2672 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2673 * @phba: pointer to lpfc hba data structure.
2675 * This routine stops all the timers associated with a HBA. This function is
2676 * invoked before either putting a HBA offline or unloading the driver.
2679 lpfc_stop_hba_timers(struct lpfc_hba
*phba
)
2681 lpfc_stop_vport_timers(phba
->pport
);
2682 del_timer_sync(&phba
->sli
.mbox_tmo
);
2683 del_timer_sync(&phba
->fabric_block_timer
);
2684 del_timer_sync(&phba
->eratt_poll
);
2685 del_timer_sync(&phba
->hb_tmofunc
);
2686 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2687 del_timer_sync(&phba
->rrq_tmr
);
2688 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
2690 phba
->hb_outstanding
= 0;
2692 switch (phba
->pci_dev_grp
) {
2693 case LPFC_PCI_DEV_LP
:
2694 /* Stop any LightPulse device specific driver timers */
2695 del_timer_sync(&phba
->fcp_poll_timer
);
2697 case LPFC_PCI_DEV_OC
:
2698 /* Stop any OneConnect device sepcific driver timers */
2699 lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2702 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2703 "0297 Invalid device group (x%x)\n",
2711 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2712 * @phba: pointer to lpfc hba data structure.
2714 * This routine marks a HBA's management interface as blocked. Once the HBA's
2715 * management interface is marked as blocked, all the user space access to
2716 * the HBA, whether they are from sysfs interface or libdfc interface will
2717 * all be blocked. The HBA is set to block the management interface when the
2718 * driver prepares the HBA interface for online or offline.
2721 lpfc_block_mgmt_io(struct lpfc_hba
*phba
, int mbx_action
)
2723 unsigned long iflag
;
2724 uint8_t actcmd
= MBX_HEARTBEAT
;
2725 unsigned long timeout
;
2727 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2728 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
2729 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2730 if (mbx_action
== LPFC_MBX_NO_WAIT
)
2732 timeout
= msecs_to_jiffies(LPFC_MBOX_TMO
* 1000) + jiffies
;
2733 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2734 if (phba
->sli
.mbox_active
) {
2735 actcmd
= phba
->sli
.mbox_active
->u
.mb
.mbxCommand
;
2736 /* Determine how long we might wait for the active mailbox
2737 * command to be gracefully completed by firmware.
2739 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
,
2740 phba
->sli
.mbox_active
) * 1000) + jiffies
;
2742 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2744 /* Wait for the outstnading mailbox command to complete */
2745 while (phba
->sli
.mbox_active
) {
2746 /* Check active mailbox complete status every 2ms */
2748 if (time_after(jiffies
, timeout
)) {
2749 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2750 "2813 Mgmt IO is Blocked %x "
2751 "- mbox cmd %x still active\n",
2752 phba
->sli
.sli_flag
, actcmd
);
2759 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
2760 * @phba: pointer to lpfc hba data structure.
2762 * Allocate RPIs for all active remote nodes. This is needed whenever
2763 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
2764 * is to fixup the temporary rpi assignments.
2767 lpfc_sli4_node_prep(struct lpfc_hba
*phba
)
2769 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2770 struct lpfc_vport
**vports
;
2773 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
2776 vports
= lpfc_create_vport_work_array(phba
);
2777 if (vports
!= NULL
) {
2778 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2779 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2782 list_for_each_entry_safe(ndlp
, next_ndlp
,
2783 &vports
[i
]->fc_nodes
,
2785 if (NLP_CHK_NODE_ACT(ndlp
)) {
2787 lpfc_sli4_alloc_rpi(phba
);
2788 lpfc_printf_vlog(ndlp
->vport
, KERN_INFO
,
2790 "0009 rpi:%x DID:%x "
2791 "flg:%x map:%x %p\n",
2801 lpfc_destroy_vport_work_array(phba
, vports
);
2805 * lpfc_online - Initialize and bring a HBA online
2806 * @phba: pointer to lpfc hba data structure.
2808 * This routine initializes the HBA and brings a HBA online. During this
2809 * process, the management interface is blocked to prevent user space access
2810 * to the HBA interfering with the driver initialization.
2817 lpfc_online(struct lpfc_hba
*phba
)
2819 struct lpfc_vport
*vport
;
2820 struct lpfc_vport
**vports
;
2822 bool vpis_cleared
= false;
2826 vport
= phba
->pport
;
2828 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
2831 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2832 "0458 Bring Adapter online\n");
2834 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
2836 if (!lpfc_sli_queue_setup(phba
)) {
2837 lpfc_unblock_mgmt_io(phba
);
2841 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2842 if (lpfc_sli4_hba_setup(phba
)) { /* Initialize SLI4 HBA */
2843 lpfc_unblock_mgmt_io(phba
);
2846 spin_lock_irq(&phba
->hbalock
);
2847 if (!phba
->sli4_hba
.max_cfg_param
.vpi_used
)
2848 vpis_cleared
= true;
2849 spin_unlock_irq(&phba
->hbalock
);
2851 if (lpfc_sli_hba_setup(phba
)) { /* Initialize SLI2/SLI3 HBA */
2852 lpfc_unblock_mgmt_io(phba
);
2857 vports
= lpfc_create_vport_work_array(phba
);
2858 if (vports
!= NULL
) {
2859 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2860 struct Scsi_Host
*shost
;
2861 shost
= lpfc_shost_from_vport(vports
[i
]);
2862 spin_lock_irq(shost
->host_lock
);
2863 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
2864 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
2865 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2866 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2867 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
2868 if ((vpis_cleared
) &&
2869 (vports
[i
]->port_type
!=
2870 LPFC_PHYSICAL_PORT
))
2873 spin_unlock_irq(shost
->host_lock
);
2876 lpfc_destroy_vport_work_array(phba
, vports
);
2878 lpfc_unblock_mgmt_io(phba
);
2883 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
2884 * @phba: pointer to lpfc hba data structure.
2886 * This routine marks a HBA's management interface as not blocked. Once the
2887 * HBA's management interface is marked as not blocked, all the user space
2888 * access to the HBA, whether they are from sysfs interface or libdfc
2889 * interface will be allowed. The HBA is set to block the management interface
2890 * when the driver prepares the HBA interface for online or offline and then
2891 * set to unblock the management interface afterwards.
2894 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
2896 unsigned long iflag
;
2898 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2899 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
2900 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2904 * lpfc_offline_prep - Prepare a HBA to be brought offline
2905 * @phba: pointer to lpfc hba data structure.
2907 * This routine is invoked to prepare a HBA to be brought offline. It performs
2908 * unregistration login to all the nodes on all vports and flushes the mailbox
2909 * queue to make it ready to be brought offline.
2912 lpfc_offline_prep(struct lpfc_hba
*phba
, int mbx_action
)
2914 struct lpfc_vport
*vport
= phba
->pport
;
2915 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2916 struct lpfc_vport
**vports
;
2917 struct Scsi_Host
*shost
;
2920 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
2923 lpfc_block_mgmt_io(phba
, mbx_action
);
2925 lpfc_linkdown(phba
);
2927 /* Issue an unreg_login to all nodes on all vports */
2928 vports
= lpfc_create_vport_work_array(phba
);
2929 if (vports
!= NULL
) {
2930 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2931 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2933 shost
= lpfc_shost_from_vport(vports
[i
]);
2934 spin_lock_irq(shost
->host_lock
);
2935 vports
[i
]->vpi_state
&= ~LPFC_VPI_REGISTERED
;
2936 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2937 vports
[i
]->fc_flag
&= ~FC_VFI_REGISTERED
;
2938 spin_unlock_irq(shost
->host_lock
);
2940 shost
= lpfc_shost_from_vport(vports
[i
]);
2941 list_for_each_entry_safe(ndlp
, next_ndlp
,
2942 &vports
[i
]->fc_nodes
,
2944 if (!NLP_CHK_NODE_ACT(ndlp
))
2946 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
2948 if (ndlp
->nlp_type
& NLP_FABRIC
) {
2949 lpfc_disc_state_machine(vports
[i
], ndlp
,
2950 NULL
, NLP_EVT_DEVICE_RECOVERY
);
2951 lpfc_disc_state_machine(vports
[i
], ndlp
,
2952 NULL
, NLP_EVT_DEVICE_RM
);
2954 spin_lock_irq(shost
->host_lock
);
2955 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
2956 spin_unlock_irq(shost
->host_lock
);
2958 * Whenever an SLI4 port goes offline, free the
2959 * RPI. Get a new RPI when the adapter port
2960 * comes back online.
2962 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2963 lpfc_printf_vlog(ndlp
->vport
,
2964 KERN_INFO
, LOG_NODE
,
2965 "0011 lpfc_offline: "
2967 "usgmap:x%x rpi:%x\n",
2968 ndlp
, ndlp
->nlp_DID
,
2972 lpfc_sli4_free_rpi(phba
, ndlp
->nlp_rpi
);
2974 lpfc_unreg_rpi(vports
[i
], ndlp
);
2978 lpfc_destroy_vport_work_array(phba
, vports
);
2980 lpfc_sli_mbox_sys_shutdown(phba
, mbx_action
);
2984 * lpfc_offline - Bring a HBA offline
2985 * @phba: pointer to lpfc hba data structure.
2987 * This routine actually brings a HBA offline. It stops all the timers
2988 * associated with the HBA, brings down the SLI layer, and eventually
2989 * marks the HBA as in offline state for the upper layer protocol.
2992 lpfc_offline(struct lpfc_hba
*phba
)
2994 struct Scsi_Host
*shost
;
2995 struct lpfc_vport
**vports
;
2998 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
3001 /* stop port and all timers associated with this hba */
3002 lpfc_stop_port(phba
);
3003 vports
= lpfc_create_vport_work_array(phba
);
3005 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
3006 lpfc_stop_vport_timers(vports
[i
]);
3007 lpfc_destroy_vport_work_array(phba
, vports
);
3008 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
3009 "0460 Bring Adapter offline\n");
3010 /* Bring down the SLI Layer and cleanup. The HBA is offline
3012 lpfc_sli_hba_down(phba
);
3013 spin_lock_irq(&phba
->hbalock
);
3015 spin_unlock_irq(&phba
->hbalock
);
3016 vports
= lpfc_create_vport_work_array(phba
);
3018 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
3019 shost
= lpfc_shost_from_vport(vports
[i
]);
3020 spin_lock_irq(shost
->host_lock
);
3021 vports
[i
]->work_port_events
= 0;
3022 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
3023 spin_unlock_irq(shost
->host_lock
);
3025 lpfc_destroy_vport_work_array(phba
, vports
);
3029 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
3030 * @phba: pointer to lpfc hba data structure.
3032 * This routine is to free all the SCSI buffers and IOCBs from the driver
3033 * list back to kernel. It is called from lpfc_pci_remove_one to free
3034 * the internal resources before the device is removed from the system.
3037 lpfc_scsi_free(struct lpfc_hba
*phba
)
3039 struct lpfc_scsi_buf
*sb
, *sb_next
;
3040 struct lpfc_iocbq
*io
, *io_next
;
3042 spin_lock_irq(&phba
->hbalock
);
3044 /* Release all the lpfc_scsi_bufs maintained by this host. */
3046 spin_lock(&phba
->scsi_buf_list_put_lock
);
3047 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list_put
,
3049 list_del(&sb
->list
);
3050 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
3053 phba
->total_scsi_bufs
--;
3055 spin_unlock(&phba
->scsi_buf_list_put_lock
);
3057 spin_lock(&phba
->scsi_buf_list_get_lock
);
3058 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list_get
,
3060 list_del(&sb
->list
);
3061 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
3064 phba
->total_scsi_bufs
--;
3066 spin_unlock(&phba
->scsi_buf_list_get_lock
);
3068 /* Release all the lpfc_iocbq entries maintained by this host. */
3069 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
3070 list_del(&io
->list
);
3072 phba
->total_iocbq_bufs
--;
3075 spin_unlock_irq(&phba
->hbalock
);
3079 * lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping
3080 * @phba: pointer to lpfc hba data structure.
3082 * This routine first calculates the sizes of the current els and allocated
3083 * scsi sgl lists, and then goes through all sgls to updates the physical
3084 * XRIs assigned due to port function reset. During port initialization, the
3085 * current els and allocated scsi sgl lists are 0s.
3088 * 0 - successful (for now, it always returns 0)
3091 lpfc_sli4_xri_sgl_update(struct lpfc_hba
*phba
)
3093 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_entry_next
= NULL
;
3094 struct lpfc_scsi_buf
*psb
= NULL
, *psb_next
= NULL
;
3095 uint16_t i
, lxri
, xri_cnt
, els_xri_cnt
, scsi_xri_cnt
;
3096 LIST_HEAD(els_sgl_list
);
3097 LIST_HEAD(scsi_sgl_list
);
3099 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
3102 * update on pci function's els xri-sgl list
3104 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
3105 if (els_xri_cnt
> phba
->sli4_hba
.els_xri_cnt
) {
3106 /* els xri-sgl expanded */
3107 xri_cnt
= els_xri_cnt
- phba
->sli4_hba
.els_xri_cnt
;
3108 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3109 "3157 ELS xri-sgl count increased from "
3110 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
3112 /* allocate the additional els sgls */
3113 for (i
= 0; i
< xri_cnt
; i
++) {
3114 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
),
3116 if (sglq_entry
== NULL
) {
3117 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3118 "2562 Failure to allocate an "
3119 "ELS sgl entry:%d\n", i
);
3123 sglq_entry
->buff_type
= GEN_BUFF_TYPE
;
3124 sglq_entry
->virt
= lpfc_mbuf_alloc(phba
, 0,
3126 if (sglq_entry
->virt
== NULL
) {
3128 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3129 "2563 Failure to allocate an "
3130 "ELS mbuf:%d\n", i
);
3134 sglq_entry
->sgl
= sglq_entry
->virt
;
3135 memset(sglq_entry
->sgl
, 0, LPFC_BPL_SIZE
);
3136 sglq_entry
->state
= SGL_FREED
;
3137 list_add_tail(&sglq_entry
->list
, &els_sgl_list
);
3139 spin_lock_irq(&phba
->hbalock
);
3140 spin_lock(&pring
->ring_lock
);
3141 list_splice_init(&els_sgl_list
, &phba
->sli4_hba
.lpfc_sgl_list
);
3142 spin_unlock(&pring
->ring_lock
);
3143 spin_unlock_irq(&phba
->hbalock
);
3144 } else if (els_xri_cnt
< phba
->sli4_hba
.els_xri_cnt
) {
3145 /* els xri-sgl shrinked */
3146 xri_cnt
= phba
->sli4_hba
.els_xri_cnt
- els_xri_cnt
;
3147 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3148 "3158 ELS xri-sgl count decreased from "
3149 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
3151 spin_lock_irq(&phba
->hbalock
);
3152 spin_lock(&pring
->ring_lock
);
3153 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &els_sgl_list
);
3154 spin_unlock(&pring
->ring_lock
);
3155 spin_unlock_irq(&phba
->hbalock
);
3156 /* release extra els sgls from list */
3157 for (i
= 0; i
< xri_cnt
; i
++) {
3158 list_remove_head(&els_sgl_list
,
3159 sglq_entry
, struct lpfc_sglq
, list
);
3161 lpfc_mbuf_free(phba
, sglq_entry
->virt
,
3166 spin_lock_irq(&phba
->hbalock
);
3167 spin_lock(&pring
->ring_lock
);
3168 list_splice_init(&els_sgl_list
, &phba
->sli4_hba
.lpfc_sgl_list
);
3169 spin_unlock(&pring
->ring_lock
);
3170 spin_unlock_irq(&phba
->hbalock
);
3172 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3173 "3163 ELS xri-sgl count unchanged: %d\n",
3175 phba
->sli4_hba
.els_xri_cnt
= els_xri_cnt
;
3177 /* update xris to els sgls on the list */
3179 sglq_entry_next
= NULL
;
3180 list_for_each_entry_safe(sglq_entry
, sglq_entry_next
,
3181 &phba
->sli4_hba
.lpfc_sgl_list
, list
) {
3182 lxri
= lpfc_sli4_next_xritag(phba
);
3183 if (lxri
== NO_XRI
) {
3184 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3185 "2400 Failed to allocate xri for "
3190 sglq_entry
->sli4_lxritag
= lxri
;
3191 sglq_entry
->sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3195 * update on pci function's allocated scsi xri-sgl list
3197 phba
->total_scsi_bufs
= 0;
3199 /* maximum number of xris available for scsi buffers */
3200 phba
->sli4_hba
.scsi_xri_max
= phba
->sli4_hba
.max_cfg_param
.max_xri
-
3203 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3204 "2401 Current allocated SCSI xri-sgl count:%d, "
3205 "maximum SCSI xri count:%d\n",
3206 phba
->sli4_hba
.scsi_xri_cnt
,
3207 phba
->sli4_hba
.scsi_xri_max
);
3209 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3210 spin_lock(&phba
->scsi_buf_list_put_lock
);
3211 list_splice_init(&phba
->lpfc_scsi_buf_list_get
, &scsi_sgl_list
);
3212 list_splice(&phba
->lpfc_scsi_buf_list_put
, &scsi_sgl_list
);
3213 spin_unlock(&phba
->scsi_buf_list_put_lock
);
3214 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3216 if (phba
->sli4_hba
.scsi_xri_cnt
> phba
->sli4_hba
.scsi_xri_max
) {
3217 /* max scsi xri shrinked below the allocated scsi buffers */
3218 scsi_xri_cnt
= phba
->sli4_hba
.scsi_xri_cnt
-
3219 phba
->sli4_hba
.scsi_xri_max
;
3220 /* release the extra allocated scsi buffers */
3221 for (i
= 0; i
< scsi_xri_cnt
; i
++) {
3222 list_remove_head(&scsi_sgl_list
, psb
,
3223 struct lpfc_scsi_buf
, list
);
3225 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
,
3226 psb
->data
, psb
->dma_handle
);
3230 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3231 phba
->sli4_hba
.scsi_xri_cnt
-= scsi_xri_cnt
;
3232 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3235 /* update xris associated to remaining allocated scsi buffers */
3238 list_for_each_entry_safe(psb
, psb_next
, &scsi_sgl_list
, list
) {
3239 lxri
= lpfc_sli4_next_xritag(phba
);
3240 if (lxri
== NO_XRI
) {
3241 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3242 "2560 Failed to allocate xri for "
3247 psb
->cur_iocbq
.sli4_lxritag
= lxri
;
3248 psb
->cur_iocbq
.sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3250 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3251 spin_lock(&phba
->scsi_buf_list_put_lock
);
3252 list_splice_init(&scsi_sgl_list
, &phba
->lpfc_scsi_buf_list_get
);
3253 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_put
);
3254 spin_unlock(&phba
->scsi_buf_list_put_lock
);
3255 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3260 lpfc_free_els_sgl_list(phba
);
3261 lpfc_scsi_free(phba
);
3266 * lpfc_create_port - Create an FC port
3267 * @phba: pointer to lpfc hba data structure.
3268 * @instance: a unique integer ID to this FC port.
3269 * @dev: pointer to the device data structure.
3271 * This routine creates a FC port for the upper layer protocol. The FC port
3272 * can be created on top of either a physical port or a virtual port provided
3273 * by the HBA. This routine also allocates a SCSI host data structure (shost)
3274 * and associates the FC port created before adding the shost into the SCSI
3278 * @vport - pointer to the virtual N_Port data structure.
3279 * NULL - port create failed.
3282 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
3284 struct lpfc_vport
*vport
;
3285 struct Scsi_Host
*shost
;
3288 if (dev
!= &phba
->pcidev
->dev
) {
3289 shost
= scsi_host_alloc(&lpfc_vport_template
,
3290 sizeof(struct lpfc_vport
));
3292 if (phba
->sli_rev
== LPFC_SLI_REV4
)
3293 shost
= scsi_host_alloc(&lpfc_template
,
3294 sizeof(struct lpfc_vport
));
3296 shost
= scsi_host_alloc(&lpfc_template_s3
,
3297 sizeof(struct lpfc_vport
));
3302 vport
= (struct lpfc_vport
*) shost
->hostdata
;
3304 vport
->load_flag
|= FC_LOADING
;
3305 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
3306 vport
->fc_rscn_flush
= 0;
3308 lpfc_get_vport_cfgparam(vport
);
3309 shost
->unique_id
= instance
;
3310 shost
->max_id
= LPFC_MAX_TARGET
;
3311 shost
->max_lun
= vport
->cfg_max_luns
;
3312 shost
->this_id
= -1;
3313 shost
->max_cmd_len
= 16;
3314 shost
->nr_hw_queues
= phba
->cfg_fcp_io_channel
;
3315 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
3316 shost
->dma_boundary
=
3317 phba
->sli4_hba
.pc_sli4_params
.sge_supp_len
-1;
3318 shost
->sg_tablesize
= phba
->cfg_sg_seg_cnt
;
3322 * Set initial can_queue value since 0 is no longer supported and
3323 * scsi_add_host will fail. This will be adjusted later based on the
3324 * max xri value determined in hba setup.
3326 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
3327 if (dev
!= &phba
->pcidev
->dev
) {
3328 shost
->transportt
= lpfc_vport_transport_template
;
3329 vport
->port_type
= LPFC_NPIV_PORT
;
3331 shost
->transportt
= lpfc_transport_template
;
3332 vport
->port_type
= LPFC_PHYSICAL_PORT
;
3335 /* Initialize all internally managed lists. */
3336 INIT_LIST_HEAD(&vport
->fc_nodes
);
3337 INIT_LIST_HEAD(&vport
->rcv_buffer_list
);
3338 spin_lock_init(&vport
->work_port_lock
);
3340 init_timer(&vport
->fc_disctmo
);
3341 vport
->fc_disctmo
.function
= lpfc_disc_timeout
;
3342 vport
->fc_disctmo
.data
= (unsigned long)vport
;
3344 init_timer(&vport
->fc_fdmitmo
);
3345 vport
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
3346 vport
->fc_fdmitmo
.data
= (unsigned long)vport
;
3348 init_timer(&vport
->els_tmofunc
);
3349 vport
->els_tmofunc
.function
= lpfc_els_timeout
;
3350 vport
->els_tmofunc
.data
= (unsigned long)vport
;
3352 init_timer(&vport
->delayed_disc_tmo
);
3353 vport
->delayed_disc_tmo
.function
= lpfc_delayed_disc_tmo
;
3354 vport
->delayed_disc_tmo
.data
= (unsigned long)vport
;
3356 error
= scsi_add_host_with_dma(shost
, dev
, &phba
->pcidev
->dev
);
3360 spin_lock_irq(&phba
->hbalock
);
3361 list_add_tail(&vport
->listentry
, &phba
->port_list
);
3362 spin_unlock_irq(&phba
->hbalock
);
3366 scsi_host_put(shost
);
3372 * destroy_port - destroy an FC port
3373 * @vport: pointer to an lpfc virtual N_Port data structure.
3375 * This routine destroys a FC port from the upper layer protocol. All the
3376 * resources associated with the port are released.
3379 destroy_port(struct lpfc_vport
*vport
)
3381 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3382 struct lpfc_hba
*phba
= vport
->phba
;
3384 lpfc_debugfs_terminate(vport
);
3385 fc_remove_host(shost
);
3386 scsi_remove_host(shost
);
3388 spin_lock_irq(&phba
->hbalock
);
3389 list_del_init(&vport
->listentry
);
3390 spin_unlock_irq(&phba
->hbalock
);
3392 lpfc_cleanup(vport
);
3397 * lpfc_get_instance - Get a unique integer ID
3399 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
3400 * uses the kernel idr facility to perform the task.
3403 * instance - a unique integer ID allocated as the new instance.
3404 * -1 - lpfc get instance failed.
3407 lpfc_get_instance(void)
3411 ret
= idr_alloc(&lpfc_hba_index
, NULL
, 0, 0, GFP_KERNEL
);
3412 return ret
< 0 ? -1 : ret
;
3416 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
3417 * @shost: pointer to SCSI host data structure.
3418 * @time: elapsed time of the scan in jiffies.
3420 * This routine is called by the SCSI layer with a SCSI host to determine
3421 * whether the scan host is finished.
3423 * Note: there is no scan_start function as adapter initialization will have
3424 * asynchronously kicked off the link initialization.
3427 * 0 - SCSI host scan is not over yet.
3428 * 1 - SCSI host scan is over.
3430 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
3432 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3433 struct lpfc_hba
*phba
= vport
->phba
;
3436 spin_lock_irq(shost
->host_lock
);
3438 if (vport
->load_flag
& FC_UNLOADING
) {
3442 if (time
>= msecs_to_jiffies(30 * 1000)) {
3443 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3444 "0461 Scanning longer than 30 "
3445 "seconds. Continuing initialization\n");
3449 if (time
>= msecs_to_jiffies(15 * 1000) &&
3450 phba
->link_state
<= LPFC_LINK_DOWN
) {
3451 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3452 "0465 Link down longer than 15 "
3453 "seconds. Continuing initialization\n");
3458 if (vport
->port_state
!= LPFC_VPORT_READY
)
3460 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
3462 if (vport
->fc_map_cnt
== 0 && time
< msecs_to_jiffies(2 * 1000))
3464 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
3470 spin_unlock_irq(shost
->host_lock
);
3475 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
3476 * @shost: pointer to SCSI host data structure.
3478 * This routine initializes a given SCSI host attributes on a FC port. The
3479 * SCSI host can be either on top of a physical port or a virtual port.
3481 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
3483 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3484 struct lpfc_hba
*phba
= vport
->phba
;
3486 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
3489 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
3490 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
3491 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
3493 memset(fc_host_supported_fc4s(shost
), 0,
3494 sizeof(fc_host_supported_fc4s(shost
)));
3495 fc_host_supported_fc4s(shost
)[2] = 1;
3496 fc_host_supported_fc4s(shost
)[7] = 1;
3498 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
3499 sizeof fc_host_symbolic_name(shost
));
3501 fc_host_supported_speeds(shost
) = 0;
3502 if (phba
->lmt
& LMT_32Gb
)
3503 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_32GBIT
;
3504 if (phba
->lmt
& LMT_16Gb
)
3505 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_16GBIT
;
3506 if (phba
->lmt
& LMT_10Gb
)
3507 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
3508 if (phba
->lmt
& LMT_8Gb
)
3509 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
3510 if (phba
->lmt
& LMT_4Gb
)
3511 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
3512 if (phba
->lmt
& LMT_2Gb
)
3513 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
3514 if (phba
->lmt
& LMT_1Gb
)
3515 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
3517 fc_host_maxframe_size(shost
) =
3518 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
3519 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
3521 fc_host_dev_loss_tmo(shost
) = vport
->cfg_devloss_tmo
;
3523 /* This value is also unchanging */
3524 memset(fc_host_active_fc4s(shost
), 0,
3525 sizeof(fc_host_active_fc4s(shost
)));
3526 fc_host_active_fc4s(shost
)[2] = 1;
3527 fc_host_active_fc4s(shost
)[7] = 1;
3529 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
3530 spin_lock_irq(shost
->host_lock
);
3531 vport
->load_flag
&= ~FC_LOADING
;
3532 spin_unlock_irq(shost
->host_lock
);
3536 * lpfc_stop_port_s3 - Stop SLI3 device port
3537 * @phba: pointer to lpfc hba data structure.
3539 * This routine is invoked to stop an SLI3 device port, it stops the device
3540 * from generating interrupts and stops the device driver's timers for the
3544 lpfc_stop_port_s3(struct lpfc_hba
*phba
)
3546 /* Clear all interrupt enable conditions */
3547 writel(0, phba
->HCregaddr
);
3548 readl(phba
->HCregaddr
); /* flush */
3549 /* Clear all pending interrupts */
3550 writel(0xffffffff, phba
->HAregaddr
);
3551 readl(phba
->HAregaddr
); /* flush */
3553 /* Reset some HBA SLI setup states */
3554 lpfc_stop_hba_timers(phba
);
3555 phba
->pport
->work_port_events
= 0;
3559 * lpfc_stop_port_s4 - Stop SLI4 device port
3560 * @phba: pointer to lpfc hba data structure.
3562 * This routine is invoked to stop an SLI4 device port, it stops the device
3563 * from generating interrupts and stops the device driver's timers for the
3567 lpfc_stop_port_s4(struct lpfc_hba
*phba
)
3569 /* Reset some HBA SLI4 setup states */
3570 lpfc_stop_hba_timers(phba
);
3571 phba
->pport
->work_port_events
= 0;
3572 phba
->sli4_hba
.intr_enable
= 0;
3576 * lpfc_stop_port - Wrapper function for stopping hba port
3577 * @phba: Pointer to HBA context object.
3579 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
3580 * the API jump table function pointer from the lpfc_hba struct.
3583 lpfc_stop_port(struct lpfc_hba
*phba
)
3585 phba
->lpfc_stop_port(phba
);
3589 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
3590 * @phba: Pointer to hba for which this call is being executed.
3592 * This routine starts the timer waiting for the FCF rediscovery to complete.
3595 lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba
*phba
)
3597 unsigned long fcf_redisc_wait_tmo
=
3598 (jiffies
+ msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO
));
3599 /* Start fcf rediscovery wait period timer */
3600 mod_timer(&phba
->fcf
.redisc_wait
, fcf_redisc_wait_tmo
);
3601 spin_lock_irq(&phba
->hbalock
);
3602 /* Allow action to new fcf asynchronous event */
3603 phba
->fcf
.fcf_flag
&= ~(FCF_AVAILABLE
| FCF_SCAN_DONE
);
3604 /* Mark the FCF rediscovery pending state */
3605 phba
->fcf
.fcf_flag
|= FCF_REDISC_PEND
;
3606 spin_unlock_irq(&phba
->hbalock
);
3610 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
3611 * @ptr: Map to lpfc_hba data structure pointer.
3613 * This routine is invoked when waiting for FCF table rediscover has been
3614 * timed out. If new FCF record(s) has (have) been discovered during the
3615 * wait period, a new FCF event shall be added to the FCOE async event
3616 * list, and then worker thread shall be waked up for processing from the
3617 * worker thread context.
3620 lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr
)
3622 struct lpfc_hba
*phba
= (struct lpfc_hba
*)ptr
;
3624 /* Don't send FCF rediscovery event if timer cancelled */
3625 spin_lock_irq(&phba
->hbalock
);
3626 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
3627 spin_unlock_irq(&phba
->hbalock
);
3630 /* Clear FCF rediscovery timer pending flag */
3631 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
3632 /* FCF rediscovery event to worker thread */
3633 phba
->fcf
.fcf_flag
|= FCF_REDISC_EVT
;
3634 spin_unlock_irq(&phba
->hbalock
);
3635 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
3636 "2776 FCF rediscover quiescent timer expired\n");
3637 /* wake up worker thread */
3638 lpfc_worker_wake_up(phba
);
3642 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
3643 * @phba: pointer to lpfc hba data structure.
3644 * @acqe_link: pointer to the async link completion queue entry.
3646 * This routine is to parse the SLI4 link-attention link fault code and
3647 * translate it into the base driver's read link attention mailbox command
3650 * Return: Link-attention status in terms of base driver's coding.
3653 lpfc_sli4_parse_latt_fault(struct lpfc_hba
*phba
,
3654 struct lpfc_acqe_link
*acqe_link
)
3656 uint16_t latt_fault
;
3658 switch (bf_get(lpfc_acqe_link_fault
, acqe_link
)) {
3659 case LPFC_ASYNC_LINK_FAULT_NONE
:
3660 case LPFC_ASYNC_LINK_FAULT_LOCAL
:
3661 case LPFC_ASYNC_LINK_FAULT_REMOTE
:
3665 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3666 "0398 Invalid link fault code: x%x\n",
3667 bf_get(lpfc_acqe_link_fault
, acqe_link
));
3668 latt_fault
= MBXERR_ERROR
;
3675 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
3676 * @phba: pointer to lpfc hba data structure.
3677 * @acqe_link: pointer to the async link completion queue entry.
3679 * This routine is to parse the SLI4 link attention type and translate it
3680 * into the base driver's link attention type coding.
3682 * Return: Link attention type in terms of base driver's coding.
3685 lpfc_sli4_parse_latt_type(struct lpfc_hba
*phba
,
3686 struct lpfc_acqe_link
*acqe_link
)
3690 switch (bf_get(lpfc_acqe_link_status
, acqe_link
)) {
3691 case LPFC_ASYNC_LINK_STATUS_DOWN
:
3692 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN
:
3693 att_type
= LPFC_ATT_LINK_DOWN
;
3695 case LPFC_ASYNC_LINK_STATUS_UP
:
3696 /* Ignore physical link up events - wait for logical link up */
3697 att_type
= LPFC_ATT_RESERVED
;
3699 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP
:
3700 att_type
= LPFC_ATT_LINK_UP
;
3703 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3704 "0399 Invalid link attention type: x%x\n",
3705 bf_get(lpfc_acqe_link_status
, acqe_link
));
3706 att_type
= LPFC_ATT_RESERVED
;
3713 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
3714 * @phba: pointer to lpfc hba data structure.
3715 * @acqe_link: pointer to the async link completion queue entry.
3717 * This routine is to parse the SLI4 link-attention link speed and translate
3718 * it into the base driver's link-attention link speed coding.
3720 * Return: Link-attention link speed in terms of base driver's coding.
3723 lpfc_sli4_parse_latt_link_speed(struct lpfc_hba
*phba
,
3724 struct lpfc_acqe_link
*acqe_link
)
3728 switch (bf_get(lpfc_acqe_link_speed
, acqe_link
)) {
3729 case LPFC_ASYNC_LINK_SPEED_ZERO
:
3730 case LPFC_ASYNC_LINK_SPEED_10MBPS
:
3731 case LPFC_ASYNC_LINK_SPEED_100MBPS
:
3732 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3734 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
3735 link_speed
= LPFC_LINK_SPEED_1GHZ
;
3737 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
3738 link_speed
= LPFC_LINK_SPEED_10GHZ
;
3740 case LPFC_ASYNC_LINK_SPEED_20GBPS
:
3741 case LPFC_ASYNC_LINK_SPEED_25GBPS
:
3742 case LPFC_ASYNC_LINK_SPEED_40GBPS
:
3743 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3746 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3747 "0483 Invalid link-attention link speed: x%x\n",
3748 bf_get(lpfc_acqe_link_speed
, acqe_link
));
3749 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3756 * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
3757 * @phba: pointer to lpfc hba data structure.
3759 * This routine is to get an SLI3 FC port's link speed in Mbps.
3761 * Return: link speed in terms of Mbps.
3764 lpfc_sli_port_speed_get(struct lpfc_hba
*phba
)
3766 uint32_t link_speed
;
3768 if (!lpfc_is_link_up(phba
))
3771 switch (phba
->fc_linkspeed
) {
3772 case LPFC_LINK_SPEED_1GHZ
:
3775 case LPFC_LINK_SPEED_2GHZ
:
3778 case LPFC_LINK_SPEED_4GHZ
:
3781 case LPFC_LINK_SPEED_8GHZ
:
3784 case LPFC_LINK_SPEED_10GHZ
:
3787 case LPFC_LINK_SPEED_16GHZ
:
3797 * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
3798 * @phba: pointer to lpfc hba data structure.
3799 * @evt_code: asynchronous event code.
3800 * @speed_code: asynchronous event link speed code.
3802 * This routine is to parse the giving SLI4 async event link speed code into
3803 * value of Mbps for the link speed.
3805 * Return: link speed in terms of Mbps.
3808 lpfc_sli4_port_speed_parse(struct lpfc_hba
*phba
, uint32_t evt_code
,
3811 uint32_t port_speed
;
3814 case LPFC_TRAILER_CODE_LINK
:
3815 switch (speed_code
) {
3816 case LPFC_ASYNC_LINK_SPEED_ZERO
:
3819 case LPFC_ASYNC_LINK_SPEED_10MBPS
:
3822 case LPFC_ASYNC_LINK_SPEED_100MBPS
:
3825 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
3828 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
3831 case LPFC_ASYNC_LINK_SPEED_20GBPS
:
3834 case LPFC_ASYNC_LINK_SPEED_25GBPS
:
3837 case LPFC_ASYNC_LINK_SPEED_40GBPS
:
3844 case LPFC_TRAILER_CODE_FC
:
3845 switch (speed_code
) {
3846 case LPFC_FC_LA_SPEED_UNKNOWN
:
3849 case LPFC_FC_LA_SPEED_1G
:
3852 case LPFC_FC_LA_SPEED_2G
:
3855 case LPFC_FC_LA_SPEED_4G
:
3858 case LPFC_FC_LA_SPEED_8G
:
3861 case LPFC_FC_LA_SPEED_10G
:
3864 case LPFC_FC_LA_SPEED_16G
:
3867 case LPFC_FC_LA_SPEED_32G
:
3881 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
3882 * @phba: pointer to lpfc hba data structure.
3883 * @acqe_link: pointer to the async link completion queue entry.
3885 * This routine is to handle the SLI4 asynchronous FCoE link event.
3888 lpfc_sli4_async_link_evt(struct lpfc_hba
*phba
,
3889 struct lpfc_acqe_link
*acqe_link
)
3891 struct lpfc_dmabuf
*mp
;
3894 struct lpfc_mbx_read_top
*la
;
3898 att_type
= lpfc_sli4_parse_latt_type(phba
, acqe_link
);
3899 if (att_type
!= LPFC_ATT_LINK_DOWN
&& att_type
!= LPFC_ATT_LINK_UP
)
3901 phba
->fcoe_eventtag
= acqe_link
->event_tag
;
3902 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3904 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3905 "0395 The mboxq allocation failed\n");
3908 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3910 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3911 "0396 The lpfc_dmabuf allocation failed\n");
3914 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3916 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3917 "0397 The mbuf allocation failed\n");
3918 goto out_free_dmabuf
;
3921 /* Cleanup any outstanding ELS commands */
3922 lpfc_els_flush_all_cmd(phba
);
3924 /* Block ELS IOCBs until we have done process link event */
3925 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3927 /* Update link event statistics */
3928 phba
->sli
.slistat
.link_event
++;
3930 /* Create lpfc_handle_latt mailbox command from link ACQE */
3931 lpfc_read_topology(phba
, pmb
, mp
);
3932 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3933 pmb
->vport
= phba
->pport
;
3935 /* Keep the link status for extra SLI4 state machine reference */
3936 phba
->sli4_hba
.link_state
.speed
=
3937 lpfc_sli4_port_speed_parse(phba
, LPFC_TRAILER_CODE_LINK
,
3938 bf_get(lpfc_acqe_link_speed
, acqe_link
));
3939 phba
->sli4_hba
.link_state
.duplex
=
3940 bf_get(lpfc_acqe_link_duplex
, acqe_link
);
3941 phba
->sli4_hba
.link_state
.status
=
3942 bf_get(lpfc_acqe_link_status
, acqe_link
);
3943 phba
->sli4_hba
.link_state
.type
=
3944 bf_get(lpfc_acqe_link_type
, acqe_link
);
3945 phba
->sli4_hba
.link_state
.number
=
3946 bf_get(lpfc_acqe_link_number
, acqe_link
);
3947 phba
->sli4_hba
.link_state
.fault
=
3948 bf_get(lpfc_acqe_link_fault
, acqe_link
);
3949 phba
->sli4_hba
.link_state
.logical_speed
=
3950 bf_get(lpfc_acqe_logical_link_speed
, acqe_link
) * 10;
3952 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3953 "2900 Async FC/FCoE Link event - Speed:%dGBit "
3954 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
3955 "Logical speed:%dMbps Fault:%d\n",
3956 phba
->sli4_hba
.link_state
.speed
,
3957 phba
->sli4_hba
.link_state
.topology
,
3958 phba
->sli4_hba
.link_state
.status
,
3959 phba
->sli4_hba
.link_state
.type
,
3960 phba
->sli4_hba
.link_state
.number
,
3961 phba
->sli4_hba
.link_state
.logical_speed
,
3962 phba
->sli4_hba
.link_state
.fault
);
3964 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
3965 * topology info. Note: Optional for non FC-AL ports.
3967 if (!(phba
->hba_flag
& HBA_FCOE_MODE
)) {
3968 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3969 if (rc
== MBX_NOT_FINISHED
)
3970 goto out_free_dmabuf
;
3974 * For FCoE Mode: fill in all the topology information we need and call
3975 * the READ_TOPOLOGY completion routine to continue without actually
3976 * sending the READ_TOPOLOGY mailbox command to the port.
3978 /* Parse and translate status field */
3980 mb
->mbxStatus
= lpfc_sli4_parse_latt_fault(phba
, acqe_link
);
3982 /* Parse and translate link attention fields */
3983 la
= (struct lpfc_mbx_read_top
*) &pmb
->u
.mb
.un
.varReadTop
;
3984 la
->eventTag
= acqe_link
->event_tag
;
3985 bf_set(lpfc_mbx_read_top_att_type
, la
, att_type
);
3986 bf_set(lpfc_mbx_read_top_link_spd
, la
,
3987 lpfc_sli4_parse_latt_link_speed(phba
, acqe_link
));
3989 /* Fake the the following irrelvant fields */
3990 bf_set(lpfc_mbx_read_top_topology
, la
, LPFC_TOPOLOGY_PT_PT
);
3991 bf_set(lpfc_mbx_read_top_alpa_granted
, la
, 0);
3992 bf_set(lpfc_mbx_read_top_il
, la
, 0);
3993 bf_set(lpfc_mbx_read_top_pb
, la
, 0);
3994 bf_set(lpfc_mbx_read_top_fa
, la
, 0);
3995 bf_set(lpfc_mbx_read_top_mm
, la
, 0);
3997 /* Invoke the lpfc_handle_latt mailbox command callback function */
3998 lpfc_mbx_cmpl_read_topology(phba
, pmb
);
4005 mempool_free(pmb
, phba
->mbox_mem_pool
);
4009 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
4010 * @phba: pointer to lpfc hba data structure.
4011 * @acqe_fc: pointer to the async fc completion queue entry.
4013 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
4014 * that the event was received and then issue a read_topology mailbox command so
4015 * that the rest of the driver will treat it the same as SLI3.
4018 lpfc_sli4_async_fc_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_fc_la
*acqe_fc
)
4020 struct lpfc_dmabuf
*mp
;
4024 if (bf_get(lpfc_trailer_type
, acqe_fc
) !=
4025 LPFC_FC_LA_EVENT_TYPE_FC_LINK
) {
4026 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4027 "2895 Non FC link Event detected.(%d)\n",
4028 bf_get(lpfc_trailer_type
, acqe_fc
));
4031 /* Keep the link status for extra SLI4 state machine reference */
4032 phba
->sli4_hba
.link_state
.speed
=
4033 lpfc_sli4_port_speed_parse(phba
, LPFC_TRAILER_CODE_FC
,
4034 bf_get(lpfc_acqe_fc_la_speed
, acqe_fc
));
4035 phba
->sli4_hba
.link_state
.duplex
= LPFC_ASYNC_LINK_DUPLEX_FULL
;
4036 phba
->sli4_hba
.link_state
.topology
=
4037 bf_get(lpfc_acqe_fc_la_topology
, acqe_fc
);
4038 phba
->sli4_hba
.link_state
.status
=
4039 bf_get(lpfc_acqe_fc_la_att_type
, acqe_fc
);
4040 phba
->sli4_hba
.link_state
.type
=
4041 bf_get(lpfc_acqe_fc_la_port_type
, acqe_fc
);
4042 phba
->sli4_hba
.link_state
.number
=
4043 bf_get(lpfc_acqe_fc_la_port_number
, acqe_fc
);
4044 phba
->sli4_hba
.link_state
.fault
=
4045 bf_get(lpfc_acqe_link_fault
, acqe_fc
);
4046 phba
->sli4_hba
.link_state
.logical_speed
=
4047 bf_get(lpfc_acqe_fc_la_llink_spd
, acqe_fc
) * 10;
4048 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4049 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
4050 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
4051 "%dMbps Fault:%d\n",
4052 phba
->sli4_hba
.link_state
.speed
,
4053 phba
->sli4_hba
.link_state
.topology
,
4054 phba
->sli4_hba
.link_state
.status
,
4055 phba
->sli4_hba
.link_state
.type
,
4056 phba
->sli4_hba
.link_state
.number
,
4057 phba
->sli4_hba
.link_state
.logical_speed
,
4058 phba
->sli4_hba
.link_state
.fault
);
4059 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4061 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4062 "2897 The mboxq allocation failed\n");
4065 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
4067 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4068 "2898 The lpfc_dmabuf allocation failed\n");
4071 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
4073 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4074 "2899 The mbuf allocation failed\n");
4075 goto out_free_dmabuf
;
4078 /* Cleanup any outstanding ELS commands */
4079 lpfc_els_flush_all_cmd(phba
);
4081 /* Block ELS IOCBs until we have done process link event */
4082 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
4084 /* Update link event statistics */
4085 phba
->sli
.slistat
.link_event
++;
4087 /* Create lpfc_handle_latt mailbox command from link ACQE */
4088 lpfc_read_topology(phba
, pmb
, mp
);
4089 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
4090 pmb
->vport
= phba
->pport
;
4092 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
4093 if (rc
== MBX_NOT_FINISHED
)
4094 goto out_free_dmabuf
;
4100 mempool_free(pmb
, phba
->mbox_mem_pool
);
4104 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
4105 * @phba: pointer to lpfc hba data structure.
4106 * @acqe_fc: pointer to the async SLI completion queue entry.
4108 * This routine is to handle the SLI4 asynchronous SLI events.
4111 lpfc_sli4_async_sli_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_sli
*acqe_sli
)
4117 struct temp_event temp_event_data
;
4118 struct lpfc_acqe_misconfigured_event
*misconfigured
;
4119 struct Scsi_Host
*shost
;
4121 evt_type
= bf_get(lpfc_trailer_type
, acqe_sli
);
4123 /* Special case Lancer */
4124 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
4125 LPFC_SLI_INTF_IF_TYPE_2
) {
4126 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4127 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
4128 "x%08x SLI Event Type:%d\n",
4129 acqe_sli
->event_data1
, acqe_sli
->event_data2
,
4134 port_name
= phba
->Port
[0];
4135 if (port_name
== 0x00)
4136 port_name
= '?'; /* get port name is empty */
4139 case LPFC_SLI_EVENT_TYPE_OVER_TEMP
:
4140 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
4141 temp_event_data
.event_code
= LPFC_THRESHOLD_TEMP
;
4142 temp_event_data
.data
= (uint32_t)acqe_sli
->event_data1
;
4144 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
4145 "3190 Over Temperature:%d Celsius- Port Name %c\n",
4146 acqe_sli
->event_data1
, port_name
);
4148 shost
= lpfc_shost_from_vport(phba
->pport
);
4149 fc_host_post_vendor_event(shost
, fc_get_event_number(),
4150 sizeof(temp_event_data
),
4151 (char *)&temp_event_data
,
4152 SCSI_NL_VID_TYPE_PCI
4153 | PCI_VENDOR_ID_EMULEX
);
4155 case LPFC_SLI_EVENT_TYPE_NORM_TEMP
:
4156 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
4157 temp_event_data
.event_code
= LPFC_NORMAL_TEMP
;
4158 temp_event_data
.data
= (uint32_t)acqe_sli
->event_data1
;
4160 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4161 "3191 Normal Temperature:%d Celsius - Port Name %c\n",
4162 acqe_sli
->event_data1
, port_name
);
4164 shost
= lpfc_shost_from_vport(phba
->pport
);
4165 fc_host_post_vendor_event(shost
, fc_get_event_number(),
4166 sizeof(temp_event_data
),
4167 (char *)&temp_event_data
,
4168 SCSI_NL_VID_TYPE_PCI
4169 | PCI_VENDOR_ID_EMULEX
);
4171 case LPFC_SLI_EVENT_TYPE_MISCONFIGURED
:
4172 misconfigured
= (struct lpfc_acqe_misconfigured_event
*)
4173 &acqe_sli
->event_data1
;
4175 /* fetch the status for this port */
4176 switch (phba
->sli4_hba
.lnk_info
.lnk_no
) {
4177 case LPFC_LINK_NUMBER_0
:
4178 status
= bf_get(lpfc_sli_misconfigured_port0
,
4179 &misconfigured
->theEvent
);
4181 case LPFC_LINK_NUMBER_1
:
4182 status
= bf_get(lpfc_sli_misconfigured_port1
,
4183 &misconfigured
->theEvent
);
4185 case LPFC_LINK_NUMBER_2
:
4186 status
= bf_get(lpfc_sli_misconfigured_port2
,
4187 &misconfigured
->theEvent
);
4189 case LPFC_LINK_NUMBER_3
:
4190 status
= bf_get(lpfc_sli_misconfigured_port3
,
4191 &misconfigured
->theEvent
);
4194 status
= ~LPFC_SLI_EVENT_STATUS_VALID
;
4199 case LPFC_SLI_EVENT_STATUS_VALID
:
4200 return; /* no message if the sfp is okay */
4201 case LPFC_SLI_EVENT_STATUS_NOT_PRESENT
:
4202 sprintf(message
, "Optics faulted/incorrectly "
4203 "installed/not installed - Reseat optics, "
4204 "if issue not resolved, replace.");
4206 case LPFC_SLI_EVENT_STATUS_WRONG_TYPE
:
4208 "Optics of two types installed - Remove one "
4209 "optic or install matching pair of optics.");
4211 case LPFC_SLI_EVENT_STATUS_UNSUPPORTED
:
4212 sprintf(message
, "Incompatible optics - Replace with "
4213 "compatible optics for card to function.");
4216 /* firmware is reporting a status we don't know about */
4217 sprintf(message
, "Unknown event status x%02x", status
);
4221 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4222 "3176 Misconfigured Physical Port - "
4223 "Port Name %c %s\n", port_name
, message
);
4225 case LPFC_SLI_EVENT_TYPE_REMOTE_DPORT
:
4226 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4227 "3192 Remote DPort Test Initiated - "
4228 "Event Data1:x%08x Event Data2: x%08x\n",
4229 acqe_sli
->event_data1
, acqe_sli
->event_data2
);
4232 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4233 "3193 Async SLI event - Event Data1:x%08x Event Data2:"
4234 "x%08x SLI Event Type:%d\n",
4235 acqe_sli
->event_data1
, acqe_sli
->event_data2
,
4242 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
4243 * @vport: pointer to vport data structure.
4245 * This routine is to perform Clear Virtual Link (CVL) on a vport in
4246 * response to a CVL event.
4248 * Return the pointer to the ndlp with the vport if successful, otherwise
4251 static struct lpfc_nodelist
*
4252 lpfc_sli4_perform_vport_cvl(struct lpfc_vport
*vport
)
4254 struct lpfc_nodelist
*ndlp
;
4255 struct Scsi_Host
*shost
;
4256 struct lpfc_hba
*phba
;
4263 ndlp
= lpfc_findnode_did(vport
, Fabric_DID
);
4265 /* Cannot find existing Fabric ndlp, so allocate a new one */
4266 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
4269 lpfc_nlp_init(vport
, ndlp
, Fabric_DID
);
4270 /* Set the node type */
4271 ndlp
->nlp_type
|= NLP_FABRIC
;
4272 /* Put ndlp onto node list */
4273 lpfc_enqueue_node(vport
, ndlp
);
4274 } else if (!NLP_CHK_NODE_ACT(ndlp
)) {
4275 /* re-setup ndlp without removing from node list */
4276 ndlp
= lpfc_enable_node(vport
, ndlp
, NLP_STE_UNUSED_NODE
);
4280 if ((phba
->pport
->port_state
< LPFC_FLOGI
) &&
4281 (phba
->pport
->port_state
!= LPFC_VPORT_FAILED
))
4283 /* If virtual link is not yet instantiated ignore CVL */
4284 if ((vport
!= phba
->pport
) && (vport
->port_state
< LPFC_FDISC
)
4285 && (vport
->port_state
!= LPFC_VPORT_FAILED
))
4287 shost
= lpfc_shost_from_vport(vport
);
4290 lpfc_linkdown_port(vport
);
4291 lpfc_cleanup_pending_mbox(vport
);
4292 spin_lock_irq(shost
->host_lock
);
4293 vport
->fc_flag
|= FC_VPORT_CVL_RCVD
;
4294 spin_unlock_irq(shost
->host_lock
);
4300 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
4301 * @vport: pointer to lpfc hba data structure.
4303 * This routine is to perform Clear Virtual Link (CVL) on all vports in
4304 * response to a FCF dead event.
4307 lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba
*phba
)
4309 struct lpfc_vport
**vports
;
4312 vports
= lpfc_create_vport_work_array(phba
);
4314 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
4315 lpfc_sli4_perform_vport_cvl(vports
[i
]);
4316 lpfc_destroy_vport_work_array(phba
, vports
);
4320 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
4321 * @phba: pointer to lpfc hba data structure.
4322 * @acqe_link: pointer to the async fcoe completion queue entry.
4324 * This routine is to handle the SLI4 asynchronous fcoe event.
4327 lpfc_sli4_async_fip_evt(struct lpfc_hba
*phba
,
4328 struct lpfc_acqe_fip
*acqe_fip
)
4330 uint8_t event_type
= bf_get(lpfc_trailer_type
, acqe_fip
);
4332 struct lpfc_vport
*vport
;
4333 struct lpfc_nodelist
*ndlp
;
4334 struct Scsi_Host
*shost
;
4335 int active_vlink_present
;
4336 struct lpfc_vport
**vports
;
4339 phba
->fc_eventTag
= acqe_fip
->event_tag
;
4340 phba
->fcoe_eventtag
= acqe_fip
->event_tag
;
4341 switch (event_type
) {
4342 case LPFC_FIP_EVENT_TYPE_NEW_FCF
:
4343 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD
:
4344 if (event_type
== LPFC_FIP_EVENT_TYPE_NEW_FCF
)
4345 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4347 "2546 New FCF event, evt_tag:x%x, "
4349 acqe_fip
->event_tag
,
4352 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
|
4354 "2788 FCF param modified event, "
4355 "evt_tag:x%x, index:x%x\n",
4356 acqe_fip
->event_tag
,
4358 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4360 * During period of FCF discovery, read the FCF
4361 * table record indexed by the event to update
4362 * FCF roundrobin failover eligible FCF bmask.
4364 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
4366 "2779 Read FCF (x%x) for updating "
4367 "roundrobin FCF failover bmask\n",
4369 rc
= lpfc_sli4_read_fcf_rec(phba
, acqe_fip
->index
);
4372 /* If the FCF discovery is in progress, do nothing. */
4373 spin_lock_irq(&phba
->hbalock
);
4374 if (phba
->hba_flag
& FCF_TS_INPROG
) {
4375 spin_unlock_irq(&phba
->hbalock
);
4378 /* If fast FCF failover rescan event is pending, do nothing */
4379 if (phba
->fcf
.fcf_flag
& FCF_REDISC_EVT
) {
4380 spin_unlock_irq(&phba
->hbalock
);
4384 /* If the FCF has been in discovered state, do nothing. */
4385 if (phba
->fcf
.fcf_flag
& FCF_SCAN_DONE
) {
4386 spin_unlock_irq(&phba
->hbalock
);
4389 spin_unlock_irq(&phba
->hbalock
);
4391 /* Otherwise, scan the entire FCF table and re-discover SAN */
4392 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4393 "2770 Start FCF table scan per async FCF "
4394 "event, evt_tag:x%x, index:x%x\n",
4395 acqe_fip
->event_tag
, acqe_fip
->index
);
4396 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
4397 LPFC_FCOE_FCF_GET_FIRST
);
4399 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4400 "2547 Issue FCF scan read FCF mailbox "
4401 "command failed (x%x)\n", rc
);
4404 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL
:
4405 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4406 "2548 FCF Table full count 0x%x tag 0x%x\n",
4407 bf_get(lpfc_acqe_fip_fcf_count
, acqe_fip
),
4408 acqe_fip
->event_tag
);
4411 case LPFC_FIP_EVENT_TYPE_FCF_DEAD
:
4412 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
4413 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4414 "2549 FCF (x%x) disconnected from network, "
4415 "tag:x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
4417 * If we are in the middle of FCF failover process, clear
4418 * the corresponding FCF bit in the roundrobin bitmap.
4420 spin_lock_irq(&phba
->hbalock
);
4421 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4422 spin_unlock_irq(&phba
->hbalock
);
4423 /* Update FLOGI FCF failover eligible FCF bmask */
4424 lpfc_sli4_fcf_rr_index_clear(phba
, acqe_fip
->index
);
4427 spin_unlock_irq(&phba
->hbalock
);
4429 /* If the event is not for currently used fcf do nothing */
4430 if (phba
->fcf
.current_rec
.fcf_indx
!= acqe_fip
->index
)
4434 * Otherwise, request the port to rediscover the entire FCF
4435 * table for a fast recovery from case that the current FCF
4436 * is no longer valid as we are not in the middle of FCF
4437 * failover process already.
4439 spin_lock_irq(&phba
->hbalock
);
4440 /* Mark the fast failover process in progress */
4441 phba
->fcf
.fcf_flag
|= FCF_DEAD_DISC
;
4442 spin_unlock_irq(&phba
->hbalock
);
4444 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4445 "2771 Start FCF fast failover process due to "
4446 "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
4447 "\n", acqe_fip
->event_tag
, acqe_fip
->index
);
4448 rc
= lpfc_sli4_redisc_fcf_table(phba
);
4450 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4452 "2772 Issue FCF rediscover mabilbox "
4453 "command failed, fail through to FCF "
4455 spin_lock_irq(&phba
->hbalock
);
4456 phba
->fcf
.fcf_flag
&= ~FCF_DEAD_DISC
;
4457 spin_unlock_irq(&phba
->hbalock
);
4459 * Last resort will fail over by treating this
4460 * as a link down to FCF registration.
4462 lpfc_sli4_fcf_dead_failthrough(phba
);
4464 /* Reset FCF roundrobin bmask for new discovery */
4465 lpfc_sli4_clear_fcf_rr_bmask(phba
);
4467 * Handling fast FCF failover to a DEAD FCF event is
4468 * considered equalivant to receiving CVL to all vports.
4470 lpfc_sli4_perform_all_vport_cvl(phba
);
4473 case LPFC_FIP_EVENT_TYPE_CVL
:
4474 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
4475 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4476 "2718 Clear Virtual Link Received for VPI 0x%x"
4477 " tag 0x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
4479 vport
= lpfc_find_vport_by_vpid(phba
,
4481 ndlp
= lpfc_sli4_perform_vport_cvl(vport
);
4484 active_vlink_present
= 0;
4486 vports
= lpfc_create_vport_work_array(phba
);
4488 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
;
4490 if ((!(vports
[i
]->fc_flag
&
4491 FC_VPORT_CVL_RCVD
)) &&
4492 (vports
[i
]->port_state
> LPFC_FDISC
)) {
4493 active_vlink_present
= 1;
4497 lpfc_destroy_vport_work_array(phba
, vports
);
4501 * Don't re-instantiate if vport is marked for deletion.
4502 * If we are here first then vport_delete is going to wait
4503 * for discovery to complete.
4505 if (!(vport
->load_flag
& FC_UNLOADING
) &&
4506 active_vlink_present
) {
4508 * If there are other active VLinks present,
4509 * re-instantiate the Vlink using FDISC.
4511 mod_timer(&ndlp
->nlp_delayfunc
,
4512 jiffies
+ msecs_to_jiffies(1000));
4513 shost
= lpfc_shost_from_vport(vport
);
4514 spin_lock_irq(shost
->host_lock
);
4515 ndlp
->nlp_flag
|= NLP_DELAY_TMO
;
4516 spin_unlock_irq(shost
->host_lock
);
4517 ndlp
->nlp_last_elscmd
= ELS_CMD_FDISC
;
4518 vport
->port_state
= LPFC_FDISC
;
4521 * Otherwise, we request port to rediscover
4522 * the entire FCF table for a fast recovery
4523 * from possible case that the current FCF
4524 * is no longer valid if we are not already
4525 * in the FCF failover process.
4527 spin_lock_irq(&phba
->hbalock
);
4528 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4529 spin_unlock_irq(&phba
->hbalock
);
4532 /* Mark the fast failover process in progress */
4533 phba
->fcf
.fcf_flag
|= FCF_ACVL_DISC
;
4534 spin_unlock_irq(&phba
->hbalock
);
4535 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
4537 "2773 Start FCF failover per CVL, "
4538 "evt_tag:x%x\n", acqe_fip
->event_tag
);
4539 rc
= lpfc_sli4_redisc_fcf_table(phba
);
4541 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4543 "2774 Issue FCF rediscover "
4544 "mabilbox command failed, "
4545 "through to CVL event\n");
4546 spin_lock_irq(&phba
->hbalock
);
4547 phba
->fcf
.fcf_flag
&= ~FCF_ACVL_DISC
;
4548 spin_unlock_irq(&phba
->hbalock
);
4550 * Last resort will be re-try on the
4551 * the current registered FCF entry.
4553 lpfc_retry_pport_discovery(phba
);
4556 * Reset FCF roundrobin bmask for new
4559 lpfc_sli4_clear_fcf_rr_bmask(phba
);
4563 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4564 "0288 Unknown FCoE event type 0x%x event tag "
4565 "0x%x\n", event_type
, acqe_fip
->event_tag
);
4571 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
4572 * @phba: pointer to lpfc hba data structure.
4573 * @acqe_link: pointer to the async dcbx completion queue entry.
4575 * This routine is to handle the SLI4 asynchronous dcbx event.
4578 lpfc_sli4_async_dcbx_evt(struct lpfc_hba
*phba
,
4579 struct lpfc_acqe_dcbx
*acqe_dcbx
)
4581 phba
->fc_eventTag
= acqe_dcbx
->event_tag
;
4582 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4583 "0290 The SLI4 DCBX asynchronous event is not "
4588 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
4589 * @phba: pointer to lpfc hba data structure.
4590 * @acqe_link: pointer to the async grp5 completion queue entry.
4592 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
4593 * is an asynchronous notified of a logical link speed change. The Port
4594 * reports the logical link speed in units of 10Mbps.
4597 lpfc_sli4_async_grp5_evt(struct lpfc_hba
*phba
,
4598 struct lpfc_acqe_grp5
*acqe_grp5
)
4600 uint16_t prev_ll_spd
;
4602 phba
->fc_eventTag
= acqe_grp5
->event_tag
;
4603 phba
->fcoe_eventtag
= acqe_grp5
->event_tag
;
4604 prev_ll_spd
= phba
->sli4_hba
.link_state
.logical_speed
;
4605 phba
->sli4_hba
.link_state
.logical_speed
=
4606 (bf_get(lpfc_acqe_grp5_llink_spd
, acqe_grp5
)) * 10;
4607 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4608 "2789 GRP5 Async Event: Updating logical link speed "
4609 "from %dMbps to %dMbps\n", prev_ll_spd
,
4610 phba
->sli4_hba
.link_state
.logical_speed
);
4614 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
4615 * @phba: pointer to lpfc hba data structure.
4617 * This routine is invoked by the worker thread to process all the pending
4618 * SLI4 asynchronous events.
4620 void lpfc_sli4_async_event_proc(struct lpfc_hba
*phba
)
4622 struct lpfc_cq_event
*cq_event
;
4624 /* First, declare the async event has been handled */
4625 spin_lock_irq(&phba
->hbalock
);
4626 phba
->hba_flag
&= ~ASYNC_EVENT
;
4627 spin_unlock_irq(&phba
->hbalock
);
4628 /* Now, handle all the async events */
4629 while (!list_empty(&phba
->sli4_hba
.sp_asynce_work_queue
)) {
4630 /* Get the first event from the head of the event queue */
4631 spin_lock_irq(&phba
->hbalock
);
4632 list_remove_head(&phba
->sli4_hba
.sp_asynce_work_queue
,
4633 cq_event
, struct lpfc_cq_event
, list
);
4634 spin_unlock_irq(&phba
->hbalock
);
4635 /* Process the asynchronous event */
4636 switch (bf_get(lpfc_trailer_code
, &cq_event
->cqe
.mcqe_cmpl
)) {
4637 case LPFC_TRAILER_CODE_LINK
:
4638 lpfc_sli4_async_link_evt(phba
,
4639 &cq_event
->cqe
.acqe_link
);
4641 case LPFC_TRAILER_CODE_FCOE
:
4642 lpfc_sli4_async_fip_evt(phba
, &cq_event
->cqe
.acqe_fip
);
4644 case LPFC_TRAILER_CODE_DCBX
:
4645 lpfc_sli4_async_dcbx_evt(phba
,
4646 &cq_event
->cqe
.acqe_dcbx
);
4648 case LPFC_TRAILER_CODE_GRP5
:
4649 lpfc_sli4_async_grp5_evt(phba
,
4650 &cq_event
->cqe
.acqe_grp5
);
4652 case LPFC_TRAILER_CODE_FC
:
4653 lpfc_sli4_async_fc_evt(phba
, &cq_event
->cqe
.acqe_fc
);
4655 case LPFC_TRAILER_CODE_SLI
:
4656 lpfc_sli4_async_sli_evt(phba
, &cq_event
->cqe
.acqe_sli
);
4659 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4660 "1804 Invalid asynchrous event code: "
4661 "x%x\n", bf_get(lpfc_trailer_code
,
4662 &cq_event
->cqe
.mcqe_cmpl
));
4665 /* Free the completion event processed to the free pool */
4666 lpfc_sli4_cq_event_release(phba
, cq_event
);
4671 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
4672 * @phba: pointer to lpfc hba data structure.
4674 * This routine is invoked by the worker thread to process FCF table
4675 * rediscovery pending completion event.
4677 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba
*phba
)
4681 spin_lock_irq(&phba
->hbalock
);
4682 /* Clear FCF rediscovery timeout event */
4683 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_EVT
;
4684 /* Clear driver fast failover FCF record flag */
4685 phba
->fcf
.failover_rec
.flag
= 0;
4686 /* Set state for FCF fast failover */
4687 phba
->fcf
.fcf_flag
|= FCF_REDISC_FOV
;
4688 spin_unlock_irq(&phba
->hbalock
);
4690 /* Scan FCF table from the first entry to re-discover SAN */
4691 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4692 "2777 Start post-quiescent FCF table scan\n");
4693 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
, LPFC_FCOE_FCF_GET_FIRST
);
4695 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4696 "2747 Issue FCF scan read FCF mailbox "
4697 "command failed 0x%x\n", rc
);
4701 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
4702 * @phba: pointer to lpfc hba data structure.
4703 * @dev_grp: The HBA PCI-Device group number.
4705 * This routine is invoked to set up the per HBA PCI-Device group function
4706 * API jump table entries.
4708 * Return: 0 if success, otherwise -ENODEV
4711 lpfc_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
4715 /* Set up lpfc PCI-device group */
4716 phba
->pci_dev_grp
= dev_grp
;
4718 /* The LPFC_PCI_DEV_OC uses SLI4 */
4719 if (dev_grp
== LPFC_PCI_DEV_OC
)
4720 phba
->sli_rev
= LPFC_SLI_REV4
;
4722 /* Set up device INIT API function jump table */
4723 rc
= lpfc_init_api_table_setup(phba
, dev_grp
);
4726 /* Set up SCSI API function jump table */
4727 rc
= lpfc_scsi_api_table_setup(phba
, dev_grp
);
4730 /* Set up SLI API function jump table */
4731 rc
= lpfc_sli_api_table_setup(phba
, dev_grp
);
4734 /* Set up MBOX API function jump table */
4735 rc
= lpfc_mbox_api_table_setup(phba
, dev_grp
);
4743 * lpfc_log_intr_mode - Log the active interrupt mode
4744 * @phba: pointer to lpfc hba data structure.
4745 * @intr_mode: active interrupt mode adopted.
4747 * This routine it invoked to log the currently used active interrupt mode
4750 static void lpfc_log_intr_mode(struct lpfc_hba
*phba
, uint32_t intr_mode
)
4752 switch (intr_mode
) {
4754 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4755 "0470 Enable INTx interrupt mode.\n");
4758 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4759 "0481 Enabled MSI interrupt mode.\n");
4762 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4763 "0480 Enabled MSI-X interrupt mode.\n");
4766 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4767 "0482 Illegal interrupt mode.\n");
4774 * lpfc_enable_pci_dev - Enable a generic PCI device.
4775 * @phba: pointer to lpfc hba data structure.
4777 * This routine is invoked to enable the PCI device that is common to all
4782 * other values - error
4785 lpfc_enable_pci_dev(struct lpfc_hba
*phba
)
4787 struct pci_dev
*pdev
;
4790 /* Obtain PCI device reference */
4794 pdev
= phba
->pcidev
;
4795 /* Select PCI BARs */
4796 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
4797 /* Enable PCI device */
4798 if (pci_enable_device_mem(pdev
))
4800 /* Request PCI resource for the device */
4801 if (pci_request_selected_regions(pdev
, bars
, LPFC_DRIVER_NAME
))
4802 goto out_disable_device
;
4803 /* Set up device as PCI master and save state for EEH */
4804 pci_set_master(pdev
);
4805 pci_try_set_mwi(pdev
);
4806 pci_save_state(pdev
);
4808 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
4809 if (pci_is_pcie(pdev
))
4810 pdev
->needs_freset
= 1;
4815 pci_disable_device(pdev
);
4817 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4818 "1401 Failed to enable pci device, bars:x%x\n", bars
);
4823 * lpfc_disable_pci_dev - Disable a generic PCI device.
4824 * @phba: pointer to lpfc hba data structure.
4826 * This routine is invoked to disable the PCI device that is common to all
4830 lpfc_disable_pci_dev(struct lpfc_hba
*phba
)
4832 struct pci_dev
*pdev
;
4835 /* Obtain PCI device reference */
4839 pdev
= phba
->pcidev
;
4840 /* Select PCI BARs */
4841 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
4842 /* Release PCI resource and disable PCI device */
4843 pci_release_selected_regions(pdev
, bars
);
4844 pci_disable_device(pdev
);
4850 * lpfc_reset_hba - Reset a hba
4851 * @phba: pointer to lpfc hba data structure.
4853 * This routine is invoked to reset a hba device. It brings the HBA
4854 * offline, performs a board restart, and then brings the board back
4855 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
4856 * on outstanding mailbox commands.
4859 lpfc_reset_hba(struct lpfc_hba
*phba
)
4861 /* If resets are disabled then set error state and return. */
4862 if (!phba
->cfg_enable_hba_reset
) {
4863 phba
->link_state
= LPFC_HBA_ERROR
;
4866 if (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)
4867 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
4869 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
4871 lpfc_sli_brdrestart(phba
);
4873 lpfc_unblock_mgmt_io(phba
);
4877 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
4878 * @phba: pointer to lpfc hba data structure.
4880 * This function enables the PCI SR-IOV virtual functions to a physical
4881 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4882 * enable the number of virtual functions to the physical function. As
4883 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4884 * API call does not considered as an error condition for most of the device.
4887 lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba
*phba
)
4889 struct pci_dev
*pdev
= phba
->pcidev
;
4893 pos
= pci_find_ext_capability(pdev
, PCI_EXT_CAP_ID_SRIOV
);
4897 pci_read_config_word(pdev
, pos
+ PCI_SRIOV_TOTAL_VF
, &nr_virtfn
);
4902 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
4903 * @phba: pointer to lpfc hba data structure.
4904 * @nr_vfn: number of virtual functions to be enabled.
4906 * This function enables the PCI SR-IOV virtual functions to a physical
4907 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4908 * enable the number of virtual functions to the physical function. As
4909 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4910 * API call does not considered as an error condition for most of the device.
4913 lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba
*phba
, int nr_vfn
)
4915 struct pci_dev
*pdev
= phba
->pcidev
;
4916 uint16_t max_nr_vfn
;
4919 max_nr_vfn
= lpfc_sli_sriov_nr_virtfn_get(phba
);
4920 if (nr_vfn
> max_nr_vfn
) {
4921 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4922 "3057 Requested vfs (%d) greater than "
4923 "supported vfs (%d)", nr_vfn
, max_nr_vfn
);
4927 rc
= pci_enable_sriov(pdev
, nr_vfn
);
4929 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4930 "2806 Failed to enable sriov on this device "
4931 "with vfn number nr_vf:%d, rc:%d\n",
4934 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4935 "2807 Successful enable sriov on this device "
4936 "with vfn number nr_vf:%d\n", nr_vfn
);
4941 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
4942 * @phba: pointer to lpfc hba data structure.
4944 * This routine is invoked to set up the driver internal resources specific to
4945 * support the SLI-3 HBA device it attached to.
4949 * other values - error
4952 lpfc_sli_driver_resource_setup(struct lpfc_hba
*phba
)
4954 struct lpfc_sli
*psli
;
4958 * Initialize timers used by driver
4961 /* Heartbeat timer */
4962 init_timer(&phba
->hb_tmofunc
);
4963 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4964 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4967 /* MBOX heartbeat timer */
4968 init_timer(&psli
->mbox_tmo
);
4969 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4970 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4971 /* FCP polling mode timer */
4972 init_timer(&phba
->fcp_poll_timer
);
4973 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
4974 phba
->fcp_poll_timer
.data
= (unsigned long) phba
;
4975 /* Fabric block timer */
4976 init_timer(&phba
->fabric_block_timer
);
4977 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4978 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4979 /* EA polling mode timer */
4980 init_timer(&phba
->eratt_poll
);
4981 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4982 phba
->eratt_poll
.data
= (unsigned long) phba
;
4984 /* Host attention work mask setup */
4985 phba
->work_ha_mask
= (HA_ERATT
| HA_MBATT
| HA_LATT
);
4986 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
4988 /* Get all the module params for configuring this host */
4989 lpfc_get_cfgparam(phba
);
4990 if (phba
->pcidev
->device
== PCI_DEVICE_ID_HORNET
) {
4991 phba
->menlo_flag
|= HBA_MENLO_SUPPORT
;
4992 /* check for menlo minimum sg count */
4993 if (phba
->cfg_sg_seg_cnt
< LPFC_DEFAULT_MENLO_SG_SEG_CNT
)
4994 phba
->cfg_sg_seg_cnt
= LPFC_DEFAULT_MENLO_SG_SEG_CNT
;
4997 if (!phba
->sli
.ring
)
4998 phba
->sli
.ring
= kzalloc(LPFC_SLI3_MAX_RING
*
4999 sizeof(struct lpfc_sli_ring
), GFP_KERNEL
);
5000 if (!phba
->sli
.ring
)
5004 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
5005 * used to create the sg_dma_buf_pool must be dynamically calculated.
5008 /* Initialize the host templates the configured values. */
5009 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5010 lpfc_template_s3
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5012 /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */
5013 if (phba
->cfg_enable_bg
) {
5015 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
5016 * the FCP rsp, and a BDE for each. Sice we have no control
5017 * over how many protection data segments the SCSI Layer
5018 * will hand us (ie: there could be one for every block
5019 * in the IO), we just allocate enough BDEs to accomidate
5020 * our max amount and we need to limit lpfc_sg_seg_cnt to
5021 * minimize the risk of running out.
5023 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
5024 sizeof(struct fcp_rsp
) +
5025 (LPFC_MAX_SG_SEG_CNT
* sizeof(struct ulp_bde64
));
5027 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SG_SEG_CNT_DIF
)
5028 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SEG_CNT_DIF
;
5030 /* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */
5031 phba
->cfg_total_seg_cnt
= LPFC_MAX_SG_SEG_CNT
;
5034 * The scsi_buf for a regular I/O will hold the FCP cmnd,
5035 * the FCP rsp, a BDE for each, and a BDE for up to
5036 * cfg_sg_seg_cnt data segments.
5038 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
5039 sizeof(struct fcp_rsp
) +
5040 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct ulp_bde64
));
5042 /* Total BDEs in BPL for scsi_sg_list */
5043 phba
->cfg_total_seg_cnt
= phba
->cfg_sg_seg_cnt
+ 2;
5046 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
| LOG_FCP
,
5047 "9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n",
5048 phba
->cfg_sg_seg_cnt
, phba
->cfg_sg_dma_buf_size
,
5049 phba
->cfg_total_seg_cnt
);
5051 phba
->max_vpi
= LPFC_MAX_VPI
;
5052 /* This will be set to correct value after config_port mbox */
5053 phba
->max_vports
= 0;
5056 * Initialize the SLI Layer to run with lpfc HBAs.
5058 lpfc_sli_setup(phba
);
5059 lpfc_sli_queue_setup(phba
);
5061 /* Allocate device driver memory */
5062 if (lpfc_mem_alloc(phba
, BPL_ALIGN_SZ
))
5066 * Enable sr-iov virtual functions if supported and configured
5067 * through the module parameter.
5069 if (phba
->cfg_sriov_nr_virtfn
> 0) {
5070 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
5071 phba
->cfg_sriov_nr_virtfn
);
5073 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5074 "2808 Requested number of SR-IOV "
5075 "virtual functions (%d) is not "
5077 phba
->cfg_sriov_nr_virtfn
);
5078 phba
->cfg_sriov_nr_virtfn
= 0;
5086 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
5087 * @phba: pointer to lpfc hba data structure.
5089 * This routine is invoked to unset the driver internal resources set up
5090 * specific for supporting the SLI-3 HBA device it attached to.
5093 lpfc_sli_driver_resource_unset(struct lpfc_hba
*phba
)
5095 /* Free device driver memory allocated */
5096 lpfc_mem_free_all(phba
);
5102 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
5103 * @phba: pointer to lpfc hba data structure.
5105 * This routine is invoked to set up the driver internal resources specific to
5106 * support the SLI-4 HBA device it attached to.
5110 * other values - error
5113 lpfc_sli4_driver_resource_setup(struct lpfc_hba
*phba
)
5115 struct lpfc_vector_map_info
*cpup
;
5116 struct lpfc_sli
*psli
;
5117 LPFC_MBOXQ_t
*mboxq
;
5118 int rc
, i
, hbq_count
, max_buf_size
;
5119 uint8_t pn_page
[LPFC_MAX_SUPPORTED_PAGES
] = {0};
5120 struct lpfc_mqe
*mqe
;
5122 int fof_vectors
= 0;
5124 /* Get all the module params for configuring this host */
5125 lpfc_get_cfgparam(phba
);
5127 /* Before proceed, wait for POST done and device ready */
5128 rc
= lpfc_sli4_post_status_check(phba
);
5133 * Initialize timers used by driver
5136 /* Heartbeat timer */
5137 init_timer(&phba
->hb_tmofunc
);
5138 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
5139 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
5140 init_timer(&phba
->rrq_tmr
);
5141 phba
->rrq_tmr
.function
= lpfc_rrq_timeout
;
5142 phba
->rrq_tmr
.data
= (unsigned long)phba
;
5145 /* MBOX heartbeat timer */
5146 init_timer(&psli
->mbox_tmo
);
5147 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
5148 psli
->mbox_tmo
.data
= (unsigned long) phba
;
5149 /* Fabric block timer */
5150 init_timer(&phba
->fabric_block_timer
);
5151 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
5152 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
5153 /* EA polling mode timer */
5154 init_timer(&phba
->eratt_poll
);
5155 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
5156 phba
->eratt_poll
.data
= (unsigned long) phba
;
5157 /* FCF rediscover timer */
5158 init_timer(&phba
->fcf
.redisc_wait
);
5159 phba
->fcf
.redisc_wait
.function
= lpfc_sli4_fcf_redisc_wait_tmo
;
5160 phba
->fcf
.redisc_wait
.data
= (unsigned long)phba
;
5163 * Control structure for handling external multi-buffer mailbox
5164 * command pass-through.
5166 memset((uint8_t *)&phba
->mbox_ext_buf_ctx
, 0,
5167 sizeof(struct lpfc_mbox_ext_buf_ctx
));
5168 INIT_LIST_HEAD(&phba
->mbox_ext_buf_ctx
.ext_dmabuf_list
);
5170 phba
->max_vpi
= LPFC_MAX_VPI
;
5172 /* This will be set to correct value after the read_config mbox */
5173 phba
->max_vports
= 0;
5175 /* Program the default value of vlan_id and fc_map */
5176 phba
->valid_vlan
= 0;
5177 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
5178 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
5179 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
5182 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
5183 * we will associate a new ring, for each FCP fastpath EQ/CQ/WQ tuple.
5185 if (!phba
->sli
.ring
)
5186 phba
->sli
.ring
= kzalloc(
5187 (LPFC_SLI3_MAX_RING
+ phba
->cfg_fcp_io_channel
) *
5188 sizeof(struct lpfc_sli_ring
), GFP_KERNEL
);
5189 if (!phba
->sli
.ring
)
5193 * It doesn't matter what family our adapter is in, we are
5194 * limited to 2 Pages, 512 SGEs, for our SGL.
5195 * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp
5197 max_buf_size
= (2 * SLI4_PAGE_SIZE
);
5198 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SGL_SEG_CNT
- 2)
5199 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SGL_SEG_CNT
- 2;
5202 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
5203 * used to create the sg_dma_buf_pool must be dynamically calculated.
5206 if (phba
->cfg_enable_bg
) {
5208 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
5209 * the FCP rsp, and a SGE for each. Sice we have no control
5210 * over how many protection data segments the SCSI Layer
5211 * will hand us (ie: there could be one for every block
5212 * in the IO), we just allocate enough SGEs to accomidate
5213 * our max amount and we need to limit lpfc_sg_seg_cnt to
5214 * minimize the risk of running out.
5216 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
5217 sizeof(struct fcp_rsp
) + max_buf_size
;
5219 /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */
5220 phba
->cfg_total_seg_cnt
= LPFC_MAX_SGL_SEG_CNT
;
5222 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SG_SLI4_SEG_CNT_DIF
)
5223 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SLI4_SEG_CNT_DIF
;
5226 * The scsi_buf for a regular I/O will hold the FCP cmnd,
5227 * the FCP rsp, a SGE for each, and a SGE for up to
5228 * cfg_sg_seg_cnt data segments.
5230 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
5231 sizeof(struct fcp_rsp
) +
5232 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct sli4_sge
));
5234 /* Total SGEs for scsi_sg_list */
5235 phba
->cfg_total_seg_cnt
= phba
->cfg_sg_seg_cnt
+ 2;
5237 * NOTE: if (phba->cfg_sg_seg_cnt + 2) <= 256 we only need
5238 * to post 1 page for the SGL.
5242 /* Initialize the host templates with the updated values. */
5243 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5244 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5246 if (phba
->cfg_sg_dma_buf_size
<= LPFC_MIN_SG_SLI4_BUF_SZ
)
5247 phba
->cfg_sg_dma_buf_size
= LPFC_MIN_SG_SLI4_BUF_SZ
;
5249 phba
->cfg_sg_dma_buf_size
=
5250 SLI4_PAGE_ALIGN(phba
->cfg_sg_dma_buf_size
);
5252 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
| LOG_FCP
,
5253 "9087 sg_tablesize:%d dmabuf_size:%d total_sge:%d\n",
5254 phba
->cfg_sg_seg_cnt
, phba
->cfg_sg_dma_buf_size
,
5255 phba
->cfg_total_seg_cnt
);
5257 /* Initialize buffer queue management fields */
5258 hbq_count
= lpfc_sli_hbq_count();
5259 for (i
= 0; i
< hbq_count
; ++i
)
5260 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
5261 INIT_LIST_HEAD(&phba
->rb_pend_list
);
5262 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_sli4_rb_alloc
;
5263 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_sli4_rb_free
;
5266 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
5268 /* Initialize the Abort scsi buffer list used by driver */
5269 spin_lock_init(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
5270 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
5271 /* This abort list used by worker thread */
5272 spin_lock_init(&phba
->sli4_hba
.abts_sgl_list_lock
);
5275 * Initialize driver internal slow-path work queues
5278 /* Driver internel slow-path CQ Event pool */
5279 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_cqe_event_pool
);
5280 /* Response IOCB work queue list */
5281 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_queue_event
);
5282 /* Asynchronous event CQ Event work queue list */
5283 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_asynce_work_queue
);
5284 /* Fast-path XRI aborted CQ Event work queue list */
5285 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
5286 /* Slow-path XRI aborted CQ Event work queue list */
5287 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
5288 /* Receive queue CQ Event work queue list */
5289 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_unsol_work_queue
);
5291 /* Initialize extent block lists. */
5292 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_blk_list
);
5293 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_xri_blk_list
);
5294 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_vfi_blk_list
);
5295 INIT_LIST_HEAD(&phba
->lpfc_vpi_blk_list
);
5297 /* Initialize the driver internal SLI layer lists. */
5298 lpfc_sli_setup(phba
);
5299 lpfc_sli_queue_setup(phba
);
5301 /* Allocate device driver memory */
5302 rc
= lpfc_mem_alloc(phba
, SGL_ALIGN_SZ
);
5306 /* IF Type 2 ports get initialized now. */
5307 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
5308 LPFC_SLI_INTF_IF_TYPE_2
) {
5309 rc
= lpfc_pci_function_reset(phba
);
5312 phba
->temp_sensor_support
= 1;
5315 /* Create the bootstrap mailbox command */
5316 rc
= lpfc_create_bootstrap_mbox(phba
);
5320 /* Set up the host's endian order with the device. */
5321 rc
= lpfc_setup_endian_order(phba
);
5323 goto out_free_bsmbx
;
5325 /* Set up the hba's configuration parameters. */
5326 rc
= lpfc_sli4_read_config(phba
);
5328 goto out_free_bsmbx
;
5329 rc
= lpfc_mem_alloc_active_rrq_pool_s4(phba
);
5331 goto out_free_bsmbx
;
5333 /* IF Type 0 ports get initialized now. */
5334 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
5335 LPFC_SLI_INTF_IF_TYPE_0
) {
5336 rc
= lpfc_pci_function_reset(phba
);
5338 goto out_free_bsmbx
;
5341 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
5345 goto out_free_bsmbx
;
5348 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
5349 lpfc_supported_pages(mboxq
);
5350 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5352 mqe
= &mboxq
->u
.mqe
;
5353 memcpy(&pn_page
[0], ((uint8_t *)&mqe
->un
.supp_pages
.word3
),
5354 LPFC_MAX_SUPPORTED_PAGES
);
5355 for (i
= 0; i
< LPFC_MAX_SUPPORTED_PAGES
; i
++) {
5356 switch (pn_page
[i
]) {
5357 case LPFC_SLI4_PARAMETERS
:
5358 phba
->sli4_hba
.pc_sli4_params
.supported
= 1;
5364 /* Read the port's SLI4 Parameters capabilities if supported. */
5365 if (phba
->sli4_hba
.pc_sli4_params
.supported
)
5366 rc
= lpfc_pc_sli4_params_get(phba
, mboxq
);
5368 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5370 goto out_free_bsmbx
;
5374 * Get sli4 parameters that override parameters from Port capabilities.
5375 * If this call fails, it isn't critical unless the SLI4 parameters come
5378 rc
= lpfc_get_sli4_parameters(phba
, mboxq
);
5380 if (phba
->sli4_hba
.extents_in_use
&&
5381 phba
->sli4_hba
.rpi_hdrs_in_use
) {
5382 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5383 "2999 Unsupported SLI4 Parameters "
5384 "Extents and RPI headers enabled.\n");
5385 goto out_free_bsmbx
;
5388 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5390 /* Verify OAS is supported */
5391 lpfc_sli4_oas_verify(phba
);
5395 /* Verify all the SLI4 queues */
5396 rc
= lpfc_sli4_queue_verify(phba
);
5398 goto out_free_bsmbx
;
5400 /* Create driver internal CQE event pool */
5401 rc
= lpfc_sli4_cq_event_pool_create(phba
);
5403 goto out_free_bsmbx
;
5405 /* Initialize sgl lists per host */
5406 lpfc_init_sgl_list(phba
);
5408 /* Allocate and initialize active sgl array */
5409 rc
= lpfc_init_active_sgl_array(phba
);
5411 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5412 "1430 Failed to initialize sgl list.\n");
5413 goto out_destroy_cq_event_pool
;
5415 rc
= lpfc_sli4_init_rpi_hdrs(phba
);
5417 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5418 "1432 Failed to initialize rpi headers.\n");
5419 goto out_free_active_sgl
;
5422 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
5423 longs
= (LPFC_SLI4_FCF_TBL_INDX_MAX
+ BITS_PER_LONG
- 1)/BITS_PER_LONG
;
5424 phba
->fcf
.fcf_rr_bmask
= kzalloc(longs
* sizeof(unsigned long),
5426 if (!phba
->fcf
.fcf_rr_bmask
) {
5427 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5428 "2759 Failed allocate memory for FCF round "
5429 "robin failover bmask\n");
5431 goto out_remove_rpi_hdrs
;
5434 phba
->sli4_hba
.fcp_eq_hdl
=
5435 kzalloc((sizeof(struct lpfc_fcp_eq_hdl
) *
5436 (fof_vectors
+ phba
->cfg_fcp_io_channel
)),
5438 if (!phba
->sli4_hba
.fcp_eq_hdl
) {
5439 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5440 "2572 Failed allocate memory for "
5441 "fast-path per-EQ handle array\n");
5443 goto out_free_fcf_rr_bmask
;
5446 phba
->sli4_hba
.msix_entries
= kzalloc((sizeof(struct msix_entry
) *
5448 phba
->cfg_fcp_io_channel
)), GFP_KERNEL
);
5449 if (!phba
->sli4_hba
.msix_entries
) {
5450 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5451 "2573 Failed allocate memory for msi-x "
5452 "interrupt vector entries\n");
5454 goto out_free_fcp_eq_hdl
;
5457 phba
->sli4_hba
.cpu_map
= kzalloc((sizeof(struct lpfc_vector_map_info
) *
5458 phba
->sli4_hba
.num_present_cpu
),
5460 if (!phba
->sli4_hba
.cpu_map
) {
5461 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5462 "3327 Failed allocate memory for msi-x "
5463 "interrupt vector mapping\n");
5467 if (lpfc_used_cpu
== NULL
) {
5468 lpfc_used_cpu
= kzalloc((sizeof(uint16_t) * lpfc_present_cpu
),
5470 if (!lpfc_used_cpu
) {
5471 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5472 "3335 Failed allocate memory for msi-x "
5473 "interrupt vector mapping\n");
5474 kfree(phba
->sli4_hba
.cpu_map
);
5478 for (i
= 0; i
< lpfc_present_cpu
; i
++)
5479 lpfc_used_cpu
[i
] = LPFC_VECTOR_MAP_EMPTY
;
5482 /* Initialize io channels for round robin */
5483 cpup
= phba
->sli4_hba
.cpu_map
;
5485 for (i
= 0; i
< phba
->sli4_hba
.num_present_cpu
; i
++) {
5486 cpup
->channel_id
= rc
;
5488 if (rc
>= phba
->cfg_fcp_io_channel
)
5493 * Enable sr-iov virtual functions if supported and configured
5494 * through the module parameter.
5496 if (phba
->cfg_sriov_nr_virtfn
> 0) {
5497 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
5498 phba
->cfg_sriov_nr_virtfn
);
5500 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5501 "3020 Requested number of SR-IOV "
5502 "virtual functions (%d) is not "
5504 phba
->cfg_sriov_nr_virtfn
);
5505 phba
->cfg_sriov_nr_virtfn
= 0;
5512 kfree(phba
->sli4_hba
.msix_entries
);
5513 out_free_fcp_eq_hdl
:
5514 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
5515 out_free_fcf_rr_bmask
:
5516 kfree(phba
->fcf
.fcf_rr_bmask
);
5517 out_remove_rpi_hdrs
:
5518 lpfc_sli4_remove_rpi_hdrs(phba
);
5519 out_free_active_sgl
:
5520 lpfc_free_active_sgl(phba
);
5521 out_destroy_cq_event_pool
:
5522 lpfc_sli4_cq_event_pool_destroy(phba
);
5524 lpfc_destroy_bootstrap_mbox(phba
);
5526 lpfc_mem_free(phba
);
5531 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
5532 * @phba: pointer to lpfc hba data structure.
5534 * This routine is invoked to unset the driver internal resources set up
5535 * specific for supporting the SLI-4 HBA device it attached to.
5538 lpfc_sli4_driver_resource_unset(struct lpfc_hba
*phba
)
5540 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
5542 /* Free memory allocated for msi-x interrupt vector to CPU mapping */
5543 kfree(phba
->sli4_hba
.cpu_map
);
5544 phba
->sli4_hba
.num_present_cpu
= 0;
5545 phba
->sli4_hba
.num_online_cpu
= 0;
5546 phba
->sli4_hba
.curr_disp_cpu
= 0;
5548 /* Free memory allocated for msi-x interrupt vector entries */
5549 kfree(phba
->sli4_hba
.msix_entries
);
5551 /* Free memory allocated for fast-path work queue handles */
5552 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
5554 /* Free the allocated rpi headers. */
5555 lpfc_sli4_remove_rpi_hdrs(phba
);
5556 lpfc_sli4_remove_rpis(phba
);
5558 /* Free eligible FCF index bmask */
5559 kfree(phba
->fcf
.fcf_rr_bmask
);
5561 /* Free the ELS sgl list */
5562 lpfc_free_active_sgl(phba
);
5563 lpfc_free_els_sgl_list(phba
);
5565 /* Free the completion queue EQ event pool */
5566 lpfc_sli4_cq_event_release_all(phba
);
5567 lpfc_sli4_cq_event_pool_destroy(phba
);
5569 /* Release resource identifiers. */
5570 lpfc_sli4_dealloc_resource_identifiers(phba
);
5572 /* Free the bsmbx region. */
5573 lpfc_destroy_bootstrap_mbox(phba
);
5575 /* Free the SLI Layer memory with SLI4 HBAs */
5576 lpfc_mem_free_all(phba
);
5578 /* Free the current connect table */
5579 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
5580 &phba
->fcf_conn_rec_list
, list
) {
5581 list_del_init(&conn_entry
->list
);
5589 * lpfc_init_api_table_setup - Set up init api function jump table
5590 * @phba: The hba struct for which this call is being executed.
5591 * @dev_grp: The HBA PCI-Device group number.
5593 * This routine sets up the device INIT interface API function jump table
5596 * Returns: 0 - success, -ENODEV - failure.
5599 lpfc_init_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
5601 phba
->lpfc_hba_init_link
= lpfc_hba_init_link
;
5602 phba
->lpfc_hba_down_link
= lpfc_hba_down_link
;
5603 phba
->lpfc_selective_reset
= lpfc_selective_reset
;
5605 case LPFC_PCI_DEV_LP
:
5606 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s3
;
5607 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s3
;
5608 phba
->lpfc_stop_port
= lpfc_stop_port_s3
;
5610 case LPFC_PCI_DEV_OC
:
5611 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s4
;
5612 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s4
;
5613 phba
->lpfc_stop_port
= lpfc_stop_port_s4
;
5616 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5617 "1431 Invalid HBA PCI-device group: 0x%x\n",
5626 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
5627 * @phba: pointer to lpfc hba data structure.
5629 * This routine is invoked to set up the driver internal resources before the
5630 * device specific resource setup to support the HBA device it attached to.
5634 * other values - error
5637 lpfc_setup_driver_resource_phase1(struct lpfc_hba
*phba
)
5640 * Driver resources common to all SLI revisions
5642 atomic_set(&phba
->fast_event_count
, 0);
5643 spin_lock_init(&phba
->hbalock
);
5645 /* Initialize ndlp management spinlock */
5646 spin_lock_init(&phba
->ndlp_lock
);
5648 INIT_LIST_HEAD(&phba
->port_list
);
5649 INIT_LIST_HEAD(&phba
->work_list
);
5650 init_waitqueue_head(&phba
->wait_4_mlo_m_q
);
5652 /* Initialize the wait queue head for the kernel thread */
5653 init_waitqueue_head(&phba
->work_waitq
);
5655 /* Initialize the scsi buffer list used by driver for scsi IO */
5656 spin_lock_init(&phba
->scsi_buf_list_get_lock
);
5657 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_get
);
5658 spin_lock_init(&phba
->scsi_buf_list_put_lock
);
5659 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_put
);
5661 /* Initialize the fabric iocb list */
5662 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
5664 /* Initialize list to save ELS buffers */
5665 INIT_LIST_HEAD(&phba
->elsbuf
);
5667 /* Initialize FCF connection rec list */
5668 INIT_LIST_HEAD(&phba
->fcf_conn_rec_list
);
5670 /* Initialize OAS configuration list */
5671 spin_lock_init(&phba
->devicelock
);
5672 INIT_LIST_HEAD(&phba
->luns
);
5678 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
5679 * @phba: pointer to lpfc hba data structure.
5681 * This routine is invoked to set up the driver internal resources after the
5682 * device specific resource setup to support the HBA device it attached to.
5686 * other values - error
5689 lpfc_setup_driver_resource_phase2(struct lpfc_hba
*phba
)
5693 /* Startup the kernel thread for this host adapter. */
5694 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
5695 "lpfc_worker_%d", phba
->brd_no
);
5696 if (IS_ERR(phba
->worker_thread
)) {
5697 error
= PTR_ERR(phba
->worker_thread
);
5705 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
5706 * @phba: pointer to lpfc hba data structure.
5708 * This routine is invoked to unset the driver internal resources set up after
5709 * the device specific resource setup for supporting the HBA device it
5713 lpfc_unset_driver_resource_phase2(struct lpfc_hba
*phba
)
5715 /* Stop kernel worker thread */
5716 kthread_stop(phba
->worker_thread
);
5720 * lpfc_free_iocb_list - Free iocb list.
5721 * @phba: pointer to lpfc hba data structure.
5723 * This routine is invoked to free the driver's IOCB list and memory.
5726 lpfc_free_iocb_list(struct lpfc_hba
*phba
)
5728 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
5730 spin_lock_irq(&phba
->hbalock
);
5731 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
5732 &phba
->lpfc_iocb_list
, list
) {
5733 list_del(&iocbq_entry
->list
);
5735 phba
->total_iocbq_bufs
--;
5737 spin_unlock_irq(&phba
->hbalock
);
5743 * lpfc_init_iocb_list - Allocate and initialize iocb list.
5744 * @phba: pointer to lpfc hba data structure.
5746 * This routine is invoked to allocate and initizlize the driver's IOCB
5747 * list and set up the IOCB tag array accordingly.
5751 * other values - error
5754 lpfc_init_iocb_list(struct lpfc_hba
*phba
, int iocb_count
)
5756 struct lpfc_iocbq
*iocbq_entry
= NULL
;
5760 /* Initialize and populate the iocb list per host. */
5761 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
5762 for (i
= 0; i
< iocb_count
; i
++) {
5763 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
5764 if (iocbq_entry
== NULL
) {
5765 printk(KERN_ERR
"%s: only allocated %d iocbs of "
5766 "expected %d count. Unloading driver.\n",
5767 __func__
, i
, LPFC_IOCB_LIST_CNT
);
5768 goto out_free_iocbq
;
5771 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
5774 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
5775 "Unloading driver.\n", __func__
);
5776 goto out_free_iocbq
;
5778 iocbq_entry
->sli4_lxritag
= NO_XRI
;
5779 iocbq_entry
->sli4_xritag
= NO_XRI
;
5781 spin_lock_irq(&phba
->hbalock
);
5782 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
5783 phba
->total_iocbq_bufs
++;
5784 spin_unlock_irq(&phba
->hbalock
);
5790 lpfc_free_iocb_list(phba
);
5796 * lpfc_free_sgl_list - Free a given sgl list.
5797 * @phba: pointer to lpfc hba data structure.
5798 * @sglq_list: pointer to the head of sgl list.
5800 * This routine is invoked to free a give sgl list and memory.
5803 lpfc_free_sgl_list(struct lpfc_hba
*phba
, struct list_head
*sglq_list
)
5805 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
5807 list_for_each_entry_safe(sglq_entry
, sglq_next
, sglq_list
, list
) {
5808 list_del(&sglq_entry
->list
);
5809 lpfc_mbuf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
5815 * lpfc_free_els_sgl_list - Free els sgl list.
5816 * @phba: pointer to lpfc hba data structure.
5818 * This routine is invoked to free the driver's els sgl list and memory.
5821 lpfc_free_els_sgl_list(struct lpfc_hba
*phba
)
5823 LIST_HEAD(sglq_list
);
5824 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
5826 /* Retrieve all els sgls from driver list */
5827 spin_lock_irq(&phba
->hbalock
);
5828 spin_lock(&pring
->ring_lock
);
5829 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &sglq_list
);
5830 spin_unlock(&pring
->ring_lock
);
5831 spin_unlock_irq(&phba
->hbalock
);
5833 /* Now free the sgl list */
5834 lpfc_free_sgl_list(phba
, &sglq_list
);
5838 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
5839 * @phba: pointer to lpfc hba data structure.
5841 * This routine is invoked to allocate the driver's active sgl memory.
5842 * This array will hold the sglq_entry's for active IOs.
5845 lpfc_init_active_sgl_array(struct lpfc_hba
*phba
)
5848 size
= sizeof(struct lpfc_sglq
*);
5849 size
*= phba
->sli4_hba
.max_cfg_param
.max_xri
;
5851 phba
->sli4_hba
.lpfc_sglq_active_list
=
5852 kzalloc(size
, GFP_KERNEL
);
5853 if (!phba
->sli4_hba
.lpfc_sglq_active_list
)
5859 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
5860 * @phba: pointer to lpfc hba data structure.
5862 * This routine is invoked to walk through the array of active sglq entries
5863 * and free all of the resources.
5864 * This is just a place holder for now.
5867 lpfc_free_active_sgl(struct lpfc_hba
*phba
)
5869 kfree(phba
->sli4_hba
.lpfc_sglq_active_list
);
5873 * lpfc_init_sgl_list - Allocate and initialize sgl list.
5874 * @phba: pointer to lpfc hba data structure.
5876 * This routine is invoked to allocate and initizlize the driver's sgl
5877 * list and set up the sgl xritag tag array accordingly.
5881 lpfc_init_sgl_list(struct lpfc_hba
*phba
)
5883 /* Initialize and populate the sglq list per host/VF. */
5884 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_sgl_list
);
5885 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
5887 /* els xri-sgl book keeping */
5888 phba
->sli4_hba
.els_xri_cnt
= 0;
5890 /* scsi xri-buffer book keeping */
5891 phba
->sli4_hba
.scsi_xri_cnt
= 0;
5895 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
5896 * @phba: pointer to lpfc hba data structure.
5898 * This routine is invoked to post rpi header templates to the
5899 * port for those SLI4 ports that do not support extents. This routine
5900 * posts a PAGE_SIZE memory region to the port to hold up to
5901 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
5902 * and should be called only when interrupts are disabled.
5906 * -ERROR - otherwise.
5909 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*phba
)
5912 struct lpfc_rpi_hdr
*rpi_hdr
;
5914 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5915 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5917 if (phba
->sli4_hba
.extents_in_use
)
5920 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
5922 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5923 "0391 Error during rpi post operation\n");
5924 lpfc_sli4_remove_rpis(phba
);
5932 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
5933 * @phba: pointer to lpfc hba data structure.
5935 * This routine is invoked to allocate a single 4KB memory region to
5936 * support rpis and stores them in the phba. This single region
5937 * provides support for up to 64 rpis. The region is used globally
5941 * A valid rpi hdr on success.
5942 * A NULL pointer on any failure.
5944 struct lpfc_rpi_hdr
*
5945 lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*phba
)
5947 uint16_t rpi_limit
, curr_rpi_range
;
5948 struct lpfc_dmabuf
*dmabuf
;
5949 struct lpfc_rpi_hdr
*rpi_hdr
;
5953 * If the SLI4 port supports extents, posting the rpi header isn't
5954 * required. Set the expected maximum count and let the actual value
5955 * get set when extents are fully allocated.
5957 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5959 if (phba
->sli4_hba
.extents_in_use
)
5962 /* The limit on the logical index is just the max_rpi count. */
5963 rpi_limit
= phba
->sli4_hba
.max_cfg_param
.rpi_base
+
5964 phba
->sli4_hba
.max_cfg_param
.max_rpi
- 1;
5966 spin_lock_irq(&phba
->hbalock
);
5968 * Establish the starting RPI in this header block. The starting
5969 * rpi is normalized to a zero base because the physical rpi is
5972 curr_rpi_range
= phba
->sli4_hba
.next_rpi
;
5973 spin_unlock_irq(&phba
->hbalock
);
5976 * The port has a limited number of rpis. The increment here
5977 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
5978 * and to allow the full max_rpi range per port.
5980 if ((curr_rpi_range
+ (LPFC_RPI_HDR_COUNT
- 1)) > rpi_limit
)
5981 rpi_count
= rpi_limit
- curr_rpi_range
;
5983 rpi_count
= LPFC_RPI_HDR_COUNT
;
5988 * First allocate the protocol header region for the port. The
5989 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
5991 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
5995 dmabuf
->virt
= dma_zalloc_coherent(&phba
->pcidev
->dev
,
5996 LPFC_HDR_TEMPLATE_SIZE
,
5997 &dmabuf
->phys
, GFP_KERNEL
);
5998 if (!dmabuf
->virt
) {
6000 goto err_free_dmabuf
;
6003 if (!IS_ALIGNED(dmabuf
->phys
, LPFC_HDR_TEMPLATE_SIZE
)) {
6005 goto err_free_coherent
;
6008 /* Save the rpi header data for cleanup later. */
6009 rpi_hdr
= kzalloc(sizeof(struct lpfc_rpi_hdr
), GFP_KERNEL
);
6011 goto err_free_coherent
;
6013 rpi_hdr
->dmabuf
= dmabuf
;
6014 rpi_hdr
->len
= LPFC_HDR_TEMPLATE_SIZE
;
6015 rpi_hdr
->page_count
= 1;
6016 spin_lock_irq(&phba
->hbalock
);
6018 /* The rpi_hdr stores the logical index only. */
6019 rpi_hdr
->start_rpi
= curr_rpi_range
;
6020 list_add_tail(&rpi_hdr
->list
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
);
6023 * The next_rpi stores the next logical module-64 rpi value used
6024 * to post physical rpis in subsequent rpi postings.
6026 phba
->sli4_hba
.next_rpi
+= rpi_count
;
6027 spin_unlock_irq(&phba
->hbalock
);
6031 dma_free_coherent(&phba
->pcidev
->dev
, LPFC_HDR_TEMPLATE_SIZE
,
6032 dmabuf
->virt
, dmabuf
->phys
);
6039 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
6040 * @phba: pointer to lpfc hba data structure.
6042 * This routine is invoked to remove all memory resources allocated
6043 * to support rpis for SLI4 ports not supporting extents. This routine
6044 * presumes the caller has released all rpis consumed by fabric or port
6045 * logins and is prepared to have the header pages removed.
6048 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*phba
)
6050 struct lpfc_rpi_hdr
*rpi_hdr
, *next_rpi_hdr
;
6052 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
6055 list_for_each_entry_safe(rpi_hdr
, next_rpi_hdr
,
6056 &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
6057 list_del(&rpi_hdr
->list
);
6058 dma_free_coherent(&phba
->pcidev
->dev
, rpi_hdr
->len
,
6059 rpi_hdr
->dmabuf
->virt
, rpi_hdr
->dmabuf
->phys
);
6060 kfree(rpi_hdr
->dmabuf
);
6064 /* There are no rpis available to the port now. */
6065 phba
->sli4_hba
.next_rpi
= 0;
6069 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
6070 * @pdev: pointer to pci device data structure.
6072 * This routine is invoked to allocate the driver hba data structure for an
6073 * HBA device. If the allocation is successful, the phba reference to the
6074 * PCI device data structure is set.
6077 * pointer to @phba - successful
6080 static struct lpfc_hba
*
6081 lpfc_hba_alloc(struct pci_dev
*pdev
)
6083 struct lpfc_hba
*phba
;
6085 /* Allocate memory for HBA structure */
6086 phba
= kzalloc(sizeof(struct lpfc_hba
), GFP_KERNEL
);
6088 dev_err(&pdev
->dev
, "failed to allocate hba struct\n");
6092 /* Set reference to PCI device in HBA structure */
6093 phba
->pcidev
= pdev
;
6095 /* Assign an unused board number */
6096 phba
->brd_no
= lpfc_get_instance();
6097 if (phba
->brd_no
< 0) {
6102 spin_lock_init(&phba
->ct_ev_lock
);
6103 INIT_LIST_HEAD(&phba
->ct_ev_waiters
);
6109 * lpfc_hba_free - Free driver hba data structure with a device.
6110 * @phba: pointer to lpfc hba data structure.
6112 * This routine is invoked to free the driver hba data structure with an
6116 lpfc_hba_free(struct lpfc_hba
*phba
)
6118 /* Release the driver assigned board number */
6119 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
6121 /* Free memory allocated with sli rings */
6122 kfree(phba
->sli
.ring
);
6123 phba
->sli
.ring
= NULL
;
6130 * lpfc_create_shost - Create hba physical port with associated scsi host.
6131 * @phba: pointer to lpfc hba data structure.
6133 * This routine is invoked to create HBA physical port and associate a SCSI
6138 * other values - error
6141 lpfc_create_shost(struct lpfc_hba
*phba
)
6143 struct lpfc_vport
*vport
;
6144 struct Scsi_Host
*shost
;
6146 /* Initialize HBA FC structure */
6147 phba
->fc_edtov
= FF_DEF_EDTOV
;
6148 phba
->fc_ratov
= FF_DEF_RATOV
;
6149 phba
->fc_altov
= FF_DEF_ALTOV
;
6150 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
6152 atomic_set(&phba
->sdev_cnt
, 0);
6153 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
6157 shost
= lpfc_shost_from_vport(vport
);
6158 phba
->pport
= vport
;
6159 lpfc_debugfs_initialize(vport
);
6160 /* Put reference to SCSI host to driver's device private data */
6161 pci_set_drvdata(phba
->pcidev
, shost
);
6167 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
6168 * @phba: pointer to lpfc hba data structure.
6170 * This routine is invoked to destroy HBA physical port and the associated
6174 lpfc_destroy_shost(struct lpfc_hba
*phba
)
6176 struct lpfc_vport
*vport
= phba
->pport
;
6178 /* Destroy physical port that associated with the SCSI host */
6179 destroy_port(vport
);
6185 * lpfc_setup_bg - Setup Block guard structures and debug areas.
6186 * @phba: pointer to lpfc hba data structure.
6187 * @shost: the shost to be used to detect Block guard settings.
6189 * This routine sets up the local Block guard protocol settings for @shost.
6190 * This routine also allocates memory for debugging bg buffers.
6193 lpfc_setup_bg(struct lpfc_hba
*phba
, struct Scsi_Host
*shost
)
6199 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
6200 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6201 "1478 Registering BlockGuard with the "
6204 old_mask
= lpfc_prot_mask
;
6205 old_guard
= lpfc_prot_guard
;
6207 /* Only allow supported values */
6208 lpfc_prot_mask
&= (SHOST_DIF_TYPE1_PROTECTION
|
6209 SHOST_DIX_TYPE0_PROTECTION
|
6210 SHOST_DIX_TYPE1_PROTECTION
);
6211 lpfc_prot_guard
&= (SHOST_DIX_GUARD_IP
| SHOST_DIX_GUARD_CRC
);
6213 /* DIF Type 1 protection for profiles AST1/C1 is end to end */
6214 if (lpfc_prot_mask
== SHOST_DIX_TYPE1_PROTECTION
)
6215 lpfc_prot_mask
|= SHOST_DIF_TYPE1_PROTECTION
;
6217 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
6218 if ((old_mask
!= lpfc_prot_mask
) ||
6219 (old_guard
!= lpfc_prot_guard
))
6220 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6221 "1475 Registering BlockGuard with the "
6222 "SCSI layer: mask %d guard %d\n",
6223 lpfc_prot_mask
, lpfc_prot_guard
);
6225 scsi_host_set_prot(shost
, lpfc_prot_mask
);
6226 scsi_host_set_guard(shost
, lpfc_prot_guard
);
6228 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6229 "1479 Not Registering BlockGuard with the SCSI "
6230 "layer, Bad protection parameters: %d %d\n",
6231 old_mask
, old_guard
);
6234 if (!_dump_buf_data
) {
6236 spin_lock_init(&_dump_buf_lock
);
6238 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
6239 if (_dump_buf_data
) {
6240 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6241 "9043 BLKGRD: allocated %d pages for "
6242 "_dump_buf_data at 0x%p\n",
6243 (1 << pagecnt
), _dump_buf_data
);
6244 _dump_buf_data_order
= pagecnt
;
6245 memset(_dump_buf_data
, 0,
6246 ((1 << PAGE_SHIFT
) << pagecnt
));
6251 if (!_dump_buf_data_order
)
6252 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6253 "9044 BLKGRD: ERROR unable to allocate "
6254 "memory for hexdump\n");
6256 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6257 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
6258 "\n", _dump_buf_data
);
6259 if (!_dump_buf_dif
) {
6262 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
6263 if (_dump_buf_dif
) {
6264 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6265 "9046 BLKGRD: allocated %d pages for "
6266 "_dump_buf_dif at 0x%p\n",
6267 (1 << pagecnt
), _dump_buf_dif
);
6268 _dump_buf_dif_order
= pagecnt
;
6269 memset(_dump_buf_dif
, 0,
6270 ((1 << PAGE_SHIFT
) << pagecnt
));
6275 if (!_dump_buf_dif_order
)
6276 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6277 "9047 BLKGRD: ERROR unable to allocate "
6278 "memory for hexdump\n");
6280 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6281 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
6286 * lpfc_post_init_setup - Perform necessary device post initialization setup.
6287 * @phba: pointer to lpfc hba data structure.
6289 * This routine is invoked to perform all the necessary post initialization
6290 * setup for the device.
6293 lpfc_post_init_setup(struct lpfc_hba
*phba
)
6295 struct Scsi_Host
*shost
;
6296 struct lpfc_adapter_event_header adapter_event
;
6298 /* Get the default values for Model Name and Description */
6299 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
6302 * hba setup may have changed the hba_queue_depth so we need to
6303 * adjust the value of can_queue.
6305 shost
= pci_get_drvdata(phba
->pcidev
);
6306 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
6307 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
6308 lpfc_setup_bg(phba
, shost
);
6310 lpfc_host_attrib_init(shost
);
6312 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
6313 spin_lock_irq(shost
->host_lock
);
6314 lpfc_poll_start_timer(phba
);
6315 spin_unlock_irq(shost
->host_lock
);
6318 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6319 "0428 Perform SCSI scan\n");
6320 /* Send board arrival event to upper layer */
6321 adapter_event
.event_type
= FC_REG_ADAPTER_EVENT
;
6322 adapter_event
.subcategory
= LPFC_EVENT_ARRIVAL
;
6323 fc_host_post_vendor_event(shost
, fc_get_event_number(),
6324 sizeof(adapter_event
),
6325 (char *) &adapter_event
,
6331 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
6332 * @phba: pointer to lpfc hba data structure.
6334 * This routine is invoked to set up the PCI device memory space for device
6335 * with SLI-3 interface spec.
6339 * other values - error
6342 lpfc_sli_pci_mem_setup(struct lpfc_hba
*phba
)
6344 struct pci_dev
*pdev
;
6345 unsigned long bar0map_len
, bar2map_len
;
6348 int error
= -ENODEV
;
6350 /* Obtain PCI device reference */
6354 pdev
= phba
->pcidev
;
6356 /* Set the device DMA mask size */
6357 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
6358 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
6359 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
6360 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
6365 /* Get the bus address of Bar0 and Bar2 and the number of bytes
6366 * required by each mapping.
6368 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
6369 bar0map_len
= pci_resource_len(pdev
, 0);
6371 phba
->pci_bar2_map
= pci_resource_start(pdev
, 2);
6372 bar2map_len
= pci_resource_len(pdev
, 2);
6374 /* Map HBA SLIM to a kernel virtual address. */
6375 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
6376 if (!phba
->slim_memmap_p
) {
6377 dev_printk(KERN_ERR
, &pdev
->dev
,
6378 "ioremap failed for SLIM memory.\n");
6382 /* Map HBA Control Registers to a kernel virtual address. */
6383 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
6384 if (!phba
->ctrl_regs_memmap_p
) {
6385 dev_printk(KERN_ERR
, &pdev
->dev
,
6386 "ioremap failed for HBA control registers.\n");
6387 goto out_iounmap_slim
;
6390 /* Allocate memory for SLI-2 structures */
6391 phba
->slim2p
.virt
= dma_zalloc_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
6392 &phba
->slim2p
.phys
, GFP_KERNEL
);
6393 if (!phba
->slim2p
.virt
)
6396 phba
->mbox
= phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, mbx
);
6397 phba
->mbox_ext
= (phba
->slim2p
.virt
+
6398 offsetof(struct lpfc_sli2_slim
, mbx_ext_words
));
6399 phba
->pcb
= (phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, pcb
));
6400 phba
->IOCBs
= (phba
->slim2p
.virt
+
6401 offsetof(struct lpfc_sli2_slim
, IOCBs
));
6403 phba
->hbqslimp
.virt
= dma_alloc_coherent(&pdev
->dev
,
6404 lpfc_sli_hbq_size(),
6405 &phba
->hbqslimp
.phys
,
6407 if (!phba
->hbqslimp
.virt
)
6410 hbq_count
= lpfc_sli_hbq_count();
6411 ptr
= phba
->hbqslimp
.virt
;
6412 for (i
= 0; i
< hbq_count
; ++i
) {
6413 phba
->hbqs
[i
].hbq_virt
= ptr
;
6414 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
6415 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
6416 sizeof(struct lpfc_hbq_entry
));
6418 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
6419 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
6421 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
6423 INIT_LIST_HEAD(&phba
->rb_pend_list
);
6425 phba
->MBslimaddr
= phba
->slim_memmap_p
;
6426 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
6427 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
6428 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
6429 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
6434 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
6435 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
6437 iounmap(phba
->ctrl_regs_memmap_p
);
6439 iounmap(phba
->slim_memmap_p
);
6445 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
6446 * @phba: pointer to lpfc hba data structure.
6448 * This routine is invoked to unset the PCI device memory space for device
6449 * with SLI-3 interface spec.
6452 lpfc_sli_pci_mem_unset(struct lpfc_hba
*phba
)
6454 struct pci_dev
*pdev
;
6456 /* Obtain PCI device reference */
6460 pdev
= phba
->pcidev
;
6462 /* Free coherent DMA memory allocated */
6463 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
6464 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
6465 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
6466 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
6468 /* I/O memory unmap */
6469 iounmap(phba
->ctrl_regs_memmap_p
);
6470 iounmap(phba
->slim_memmap_p
);
6476 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
6477 * @phba: pointer to lpfc hba data structure.
6479 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
6480 * done and check status.
6482 * Return 0 if successful, otherwise -ENODEV.
6485 lpfc_sli4_post_status_check(struct lpfc_hba
*phba
)
6487 struct lpfc_register portsmphr_reg
, uerrlo_reg
, uerrhi_reg
;
6488 struct lpfc_register reg_data
;
6489 int i
, port_error
= 0;
6492 memset(&portsmphr_reg
, 0, sizeof(portsmphr_reg
));
6493 memset(®_data
, 0, sizeof(reg_data
));
6494 if (!phba
->sli4_hba
.PSMPHRregaddr
)
6497 /* Wait up to 30 seconds for the SLI Port POST done and ready */
6498 for (i
= 0; i
< 3000; i
++) {
6499 if (lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
6500 &portsmphr_reg
.word0
) ||
6501 (bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
))) {
6502 /* Port has a fatal POST error, break out */
6503 port_error
= -ENODEV
;
6506 if (LPFC_POST_STAGE_PORT_READY
==
6507 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
))
6513 * If there was a port error during POST, then don't proceed with
6514 * other register reads as the data may not be valid. Just exit.
6517 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6518 "1408 Port Failed POST - portsmphr=0x%x, "
6519 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
6520 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
6521 portsmphr_reg
.word0
,
6522 bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
),
6523 bf_get(lpfc_port_smphr_sfi
, &portsmphr_reg
),
6524 bf_get(lpfc_port_smphr_nip
, &portsmphr_reg
),
6525 bf_get(lpfc_port_smphr_ipc
, &portsmphr_reg
),
6526 bf_get(lpfc_port_smphr_scr1
, &portsmphr_reg
),
6527 bf_get(lpfc_port_smphr_scr2
, &portsmphr_reg
),
6528 bf_get(lpfc_port_smphr_host_scratch
, &portsmphr_reg
),
6529 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
));
6531 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6532 "2534 Device Info: SLIFamily=0x%x, "
6533 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
6534 "SLIHint_2=0x%x, FT=0x%x\n",
6535 bf_get(lpfc_sli_intf_sli_family
,
6536 &phba
->sli4_hba
.sli_intf
),
6537 bf_get(lpfc_sli_intf_slirev
,
6538 &phba
->sli4_hba
.sli_intf
),
6539 bf_get(lpfc_sli_intf_if_type
,
6540 &phba
->sli4_hba
.sli_intf
),
6541 bf_get(lpfc_sli_intf_sli_hint1
,
6542 &phba
->sli4_hba
.sli_intf
),
6543 bf_get(lpfc_sli_intf_sli_hint2
,
6544 &phba
->sli4_hba
.sli_intf
),
6545 bf_get(lpfc_sli_intf_func_type
,
6546 &phba
->sli4_hba
.sli_intf
));
6548 * Check for other Port errors during the initialization
6549 * process. Fail the load if the port did not come up
6552 if_type
= bf_get(lpfc_sli_intf_if_type
,
6553 &phba
->sli4_hba
.sli_intf
);
6555 case LPFC_SLI_INTF_IF_TYPE_0
:
6556 phba
->sli4_hba
.ue_mask_lo
=
6557 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
);
6558 phba
->sli4_hba
.ue_mask_hi
=
6559 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
);
6561 readl(phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
);
6563 readl(phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
);
6564 if ((~phba
->sli4_hba
.ue_mask_lo
& uerrlo_reg
.word0
) ||
6565 (~phba
->sli4_hba
.ue_mask_hi
& uerrhi_reg
.word0
)) {
6566 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6567 "1422 Unrecoverable Error "
6568 "Detected during POST "
6569 "uerr_lo_reg=0x%x, "
6570 "uerr_hi_reg=0x%x, "
6571 "ue_mask_lo_reg=0x%x, "
6572 "ue_mask_hi_reg=0x%x\n",
6575 phba
->sli4_hba
.ue_mask_lo
,
6576 phba
->sli4_hba
.ue_mask_hi
);
6577 port_error
= -ENODEV
;
6580 case LPFC_SLI_INTF_IF_TYPE_2
:
6581 /* Final checks. The port status should be clean. */
6582 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
6584 (bf_get(lpfc_sliport_status_err
, ®_data
) &&
6585 !bf_get(lpfc_sliport_status_rn
, ®_data
))) {
6586 phba
->work_status
[0] =
6587 readl(phba
->sli4_hba
.u
.if_type2
.
6589 phba
->work_status
[1] =
6590 readl(phba
->sli4_hba
.u
.if_type2
.
6592 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6593 "2888 Unrecoverable port error "
6594 "following POST: port status reg "
6595 "0x%x, port_smphr reg 0x%x, "
6596 "error 1=0x%x, error 2=0x%x\n",
6598 portsmphr_reg
.word0
,
6599 phba
->work_status
[0],
6600 phba
->work_status
[1]);
6601 port_error
= -ENODEV
;
6604 case LPFC_SLI_INTF_IF_TYPE_1
:
6613 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
6614 * @phba: pointer to lpfc hba data structure.
6615 * @if_type: The SLI4 interface type getting configured.
6617 * This routine is invoked to set up SLI4 BAR0 PCI config space register
6621 lpfc_sli4_bar0_register_memmap(struct lpfc_hba
*phba
, uint32_t if_type
)
6624 case LPFC_SLI_INTF_IF_TYPE_0
:
6625 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
=
6626 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_LO
;
6627 phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
=
6628 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_HI
;
6629 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
=
6630 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_LO
;
6631 phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
=
6632 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_HI
;
6633 phba
->sli4_hba
.SLIINTFregaddr
=
6634 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
6636 case LPFC_SLI_INTF_IF_TYPE_2
:
6637 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
=
6638 phba
->sli4_hba
.conf_regs_memmap_p
+
6639 LPFC_CTL_PORT_ER1_OFFSET
;
6640 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
=
6641 phba
->sli4_hba
.conf_regs_memmap_p
+
6642 LPFC_CTL_PORT_ER2_OFFSET
;
6643 phba
->sli4_hba
.u
.if_type2
.CTRLregaddr
=
6644 phba
->sli4_hba
.conf_regs_memmap_p
+
6645 LPFC_CTL_PORT_CTL_OFFSET
;
6646 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
=
6647 phba
->sli4_hba
.conf_regs_memmap_p
+
6648 LPFC_CTL_PORT_STA_OFFSET
;
6649 phba
->sli4_hba
.SLIINTFregaddr
=
6650 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
6651 phba
->sli4_hba
.PSMPHRregaddr
=
6652 phba
->sli4_hba
.conf_regs_memmap_p
+
6653 LPFC_CTL_PORT_SEM_OFFSET
;
6654 phba
->sli4_hba
.RQDBregaddr
=
6655 phba
->sli4_hba
.conf_regs_memmap_p
+
6656 LPFC_ULP0_RQ_DOORBELL
;
6657 phba
->sli4_hba
.WQDBregaddr
=
6658 phba
->sli4_hba
.conf_regs_memmap_p
+
6659 LPFC_ULP0_WQ_DOORBELL
;
6660 phba
->sli4_hba
.EQCQDBregaddr
=
6661 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_EQCQ_DOORBELL
;
6662 phba
->sli4_hba
.MQDBregaddr
=
6663 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_MQ_DOORBELL
;
6664 phba
->sli4_hba
.BMBXregaddr
=
6665 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_BMBX
;
6667 case LPFC_SLI_INTF_IF_TYPE_1
:
6669 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
6670 "FATAL - unsupported SLI4 interface type - %d\n",
6677 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
6678 * @phba: pointer to lpfc hba data structure.
6680 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
6684 lpfc_sli4_bar1_register_memmap(struct lpfc_hba
*phba
)
6686 phba
->sli4_hba
.PSMPHRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6687 LPFC_SLIPORT_IF0_SMPHR
;
6688 phba
->sli4_hba
.ISRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6690 phba
->sli4_hba
.IMRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6692 phba
->sli4_hba
.ISCRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6697 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
6698 * @phba: pointer to lpfc hba data structure.
6699 * @vf: virtual function number
6701 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
6702 * based on the given viftual function number, @vf.
6704 * Return 0 if successful, otherwise -ENODEV.
6707 lpfc_sli4_bar2_register_memmap(struct lpfc_hba
*phba
, uint32_t vf
)
6709 if (vf
> LPFC_VIR_FUNC_MAX
)
6712 phba
->sli4_hba
.RQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6713 vf
* LPFC_VFR_PAGE_SIZE
+
6714 LPFC_ULP0_RQ_DOORBELL
);
6715 phba
->sli4_hba
.WQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6716 vf
* LPFC_VFR_PAGE_SIZE
+
6717 LPFC_ULP0_WQ_DOORBELL
);
6718 phba
->sli4_hba
.EQCQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6719 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_EQCQ_DOORBELL
);
6720 phba
->sli4_hba
.MQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6721 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_MQ_DOORBELL
);
6722 phba
->sli4_hba
.BMBXregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6723 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_BMBX
);
6728 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
6729 * @phba: pointer to lpfc hba data structure.
6731 * This routine is invoked to create the bootstrap mailbox
6732 * region consistent with the SLI-4 interface spec. This
6733 * routine allocates all memory necessary to communicate
6734 * mailbox commands to the port and sets up all alignment
6735 * needs. No locks are expected to be held when calling
6740 * -ENOMEM - could not allocated memory.
6743 lpfc_create_bootstrap_mbox(struct lpfc_hba
*phba
)
6746 struct lpfc_dmabuf
*dmabuf
;
6747 struct dma_address
*dma_address
;
6751 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
6756 * The bootstrap mailbox region is comprised of 2 parts
6757 * plus an alignment restriction of 16 bytes.
6759 bmbx_size
= sizeof(struct lpfc_bmbx_create
) + (LPFC_ALIGN_16_BYTE
- 1);
6760 dmabuf
->virt
= dma_zalloc_coherent(&phba
->pcidev
->dev
, bmbx_size
,
6761 &dmabuf
->phys
, GFP_KERNEL
);
6762 if (!dmabuf
->virt
) {
6768 * Initialize the bootstrap mailbox pointers now so that the register
6769 * operations are simple later. The mailbox dma address is required
6770 * to be 16-byte aligned. Also align the virtual memory as each
6771 * maibox is copied into the bmbx mailbox region before issuing the
6772 * command to the port.
6774 phba
->sli4_hba
.bmbx
.dmabuf
= dmabuf
;
6775 phba
->sli4_hba
.bmbx
.bmbx_size
= bmbx_size
;
6777 phba
->sli4_hba
.bmbx
.avirt
= PTR_ALIGN(dmabuf
->virt
,
6778 LPFC_ALIGN_16_BYTE
);
6779 phba
->sli4_hba
.bmbx
.aphys
= ALIGN(dmabuf
->phys
,
6780 LPFC_ALIGN_16_BYTE
);
6783 * Set the high and low physical addresses now. The SLI4 alignment
6784 * requirement is 16 bytes and the mailbox is posted to the port
6785 * as two 30-bit addresses. The other data is a bit marking whether
6786 * the 30-bit address is the high or low address.
6787 * Upcast bmbx aphys to 64bits so shift instruction compiles
6788 * clean on 32 bit machines.
6790 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
6791 phys_addr
= (uint64_t)phba
->sli4_hba
.bmbx
.aphys
;
6792 pa_addr
= (uint32_t) ((phys_addr
>> 34) & 0x3fffffff);
6793 dma_address
->addr_hi
= (uint32_t) ((pa_addr
<< 2) |
6794 LPFC_BMBX_BIT1_ADDR_HI
);
6796 pa_addr
= (uint32_t) ((phba
->sli4_hba
.bmbx
.aphys
>> 4) & 0x3fffffff);
6797 dma_address
->addr_lo
= (uint32_t) ((pa_addr
<< 2) |
6798 LPFC_BMBX_BIT1_ADDR_LO
);
6803 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
6804 * @phba: pointer to lpfc hba data structure.
6806 * This routine is invoked to teardown the bootstrap mailbox
6807 * region and release all host resources. This routine requires
6808 * the caller to ensure all mailbox commands recovered, no
6809 * additional mailbox comands are sent, and interrupts are disabled
6810 * before calling this routine.
6814 lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*phba
)
6816 dma_free_coherent(&phba
->pcidev
->dev
,
6817 phba
->sli4_hba
.bmbx
.bmbx_size
,
6818 phba
->sli4_hba
.bmbx
.dmabuf
->virt
,
6819 phba
->sli4_hba
.bmbx
.dmabuf
->phys
);
6821 kfree(phba
->sli4_hba
.bmbx
.dmabuf
);
6822 memset(&phba
->sli4_hba
.bmbx
, 0, sizeof(struct lpfc_bmbx
));
6826 * lpfc_sli4_read_config - Get the config parameters.
6827 * @phba: pointer to lpfc hba data structure.
6829 * This routine is invoked to read the configuration parameters from the HBA.
6830 * The configuration parameters are used to set the base and maximum values
6831 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
6832 * allocation for the port.
6836 * -ENOMEM - No available memory
6837 * -EIO - The mailbox failed to complete successfully.
6840 lpfc_sli4_read_config(struct lpfc_hba
*phba
)
6843 struct lpfc_mbx_read_config
*rd_config
;
6844 union lpfc_sli4_cfg_shdr
*shdr
;
6845 uint32_t shdr_status
, shdr_add_status
;
6846 struct lpfc_mbx_get_func_cfg
*get_func_cfg
;
6847 struct lpfc_rsrc_desc_fcfcoe
*desc
;
6849 int length
, i
, rc
= 0, rc2
;
6851 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
6853 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6854 "2011 Unable to allocate memory for issuing "
6855 "SLI_CONFIG_SPECIAL mailbox command\n");
6859 lpfc_read_config(phba
, pmb
);
6861 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6862 if (rc
!= MBX_SUCCESS
) {
6863 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6864 "2012 Mailbox failed , mbxCmd x%x "
6865 "READ_CONFIG, mbxStatus x%x\n",
6866 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6867 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6870 rd_config
= &pmb
->u
.mqe
.un
.rd_config
;
6871 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv
, rd_config
)) {
6872 phba
->sli4_hba
.lnk_info
.lnk_dv
= LPFC_LNK_DAT_VAL
;
6873 phba
->sli4_hba
.lnk_info
.lnk_tp
=
6874 bf_get(lpfc_mbx_rd_conf_lnk_type
, rd_config
);
6875 phba
->sli4_hba
.lnk_info
.lnk_no
=
6876 bf_get(lpfc_mbx_rd_conf_lnk_numb
, rd_config
);
6877 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6878 "3081 lnk_type:%d, lnk_numb:%d\n",
6879 phba
->sli4_hba
.lnk_info
.lnk_tp
,
6880 phba
->sli4_hba
.lnk_info
.lnk_no
);
6882 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
6883 "3082 Mailbox (x%x) returned ldv:x0\n",
6884 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
));
6885 phba
->sli4_hba
.extents_in_use
=
6886 bf_get(lpfc_mbx_rd_conf_extnts_inuse
, rd_config
);
6887 phba
->sli4_hba
.max_cfg_param
.max_xri
=
6888 bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
6889 phba
->sli4_hba
.max_cfg_param
.xri_base
=
6890 bf_get(lpfc_mbx_rd_conf_xri_base
, rd_config
);
6891 phba
->sli4_hba
.max_cfg_param
.max_vpi
=
6892 bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
);
6893 phba
->sli4_hba
.max_cfg_param
.vpi_base
=
6894 bf_get(lpfc_mbx_rd_conf_vpi_base
, rd_config
);
6895 phba
->sli4_hba
.max_cfg_param
.max_rpi
=
6896 bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
6897 phba
->sli4_hba
.max_cfg_param
.rpi_base
=
6898 bf_get(lpfc_mbx_rd_conf_rpi_base
, rd_config
);
6899 phba
->sli4_hba
.max_cfg_param
.max_vfi
=
6900 bf_get(lpfc_mbx_rd_conf_vfi_count
, rd_config
);
6901 phba
->sli4_hba
.max_cfg_param
.vfi_base
=
6902 bf_get(lpfc_mbx_rd_conf_vfi_base
, rd_config
);
6903 phba
->sli4_hba
.max_cfg_param
.max_fcfi
=
6904 bf_get(lpfc_mbx_rd_conf_fcfi_count
, rd_config
);
6905 phba
->sli4_hba
.max_cfg_param
.max_eq
=
6906 bf_get(lpfc_mbx_rd_conf_eq_count
, rd_config
);
6907 phba
->sli4_hba
.max_cfg_param
.max_rq
=
6908 bf_get(lpfc_mbx_rd_conf_rq_count
, rd_config
);
6909 phba
->sli4_hba
.max_cfg_param
.max_wq
=
6910 bf_get(lpfc_mbx_rd_conf_wq_count
, rd_config
);
6911 phba
->sli4_hba
.max_cfg_param
.max_cq
=
6912 bf_get(lpfc_mbx_rd_conf_cq_count
, rd_config
);
6913 phba
->lmt
= bf_get(lpfc_mbx_rd_conf_lmt
, rd_config
);
6914 phba
->sli4_hba
.next_xri
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
6915 phba
->vpi_base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
6916 phba
->vfi_base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
6917 phba
->max_vpi
= (phba
->sli4_hba
.max_cfg_param
.max_vpi
> 0) ?
6918 (phba
->sli4_hba
.max_cfg_param
.max_vpi
- 1) : 0;
6919 phba
->max_vports
= phba
->max_vpi
;
6920 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6921 "2003 cfg params Extents? %d "
6927 phba
->sli4_hba
.extents_in_use
,
6928 phba
->sli4_hba
.max_cfg_param
.xri_base
,
6929 phba
->sli4_hba
.max_cfg_param
.max_xri
,
6930 phba
->sli4_hba
.max_cfg_param
.vpi_base
,
6931 phba
->sli4_hba
.max_cfg_param
.max_vpi
,
6932 phba
->sli4_hba
.max_cfg_param
.vfi_base
,
6933 phba
->sli4_hba
.max_cfg_param
.max_vfi
,
6934 phba
->sli4_hba
.max_cfg_param
.rpi_base
,
6935 phba
->sli4_hba
.max_cfg_param
.max_rpi
,
6936 phba
->sli4_hba
.max_cfg_param
.max_fcfi
);
6942 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
6943 length
= phba
->sli4_hba
.max_cfg_param
.max_xri
-
6944 lpfc_sli4_get_els_iocb_cnt(phba
);
6945 if (phba
->cfg_hba_queue_depth
> length
) {
6946 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6947 "3361 HBA queue depth changed from %d to %d\n",
6948 phba
->cfg_hba_queue_depth
, length
);
6949 phba
->cfg_hba_queue_depth
= length
;
6952 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
6953 LPFC_SLI_INTF_IF_TYPE_2
)
6956 /* get the pf# and vf# for SLI4 if_type 2 port */
6957 length
= (sizeof(struct lpfc_mbx_get_func_cfg
) -
6958 sizeof(struct lpfc_sli4_cfg_mhdr
));
6959 lpfc_sli4_config(phba
, pmb
, LPFC_MBOX_SUBSYSTEM_COMMON
,
6960 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG
,
6961 length
, LPFC_SLI4_MBX_EMBED
);
6963 rc2
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6964 shdr
= (union lpfc_sli4_cfg_shdr
*)
6965 &pmb
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
6966 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
6967 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
6968 if (rc2
|| shdr_status
|| shdr_add_status
) {
6969 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6970 "3026 Mailbox failed , mbxCmd x%x "
6971 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
6972 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6973 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6977 /* search for fc_fcoe resrouce descriptor */
6978 get_func_cfg
= &pmb
->u
.mqe
.un
.get_func_cfg
;
6980 pdesc_0
= (char *)&get_func_cfg
->func_cfg
.desc
[0];
6981 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)pdesc_0
;
6982 length
= bf_get(lpfc_rsrc_desc_fcfcoe_length
, desc
);
6983 if (length
== LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD
)
6984 length
= LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH
;
6985 else if (length
!= LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH
)
6988 for (i
= 0; i
< LPFC_RSRC_DESC_MAX_NUM
; i
++) {
6989 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)(pdesc_0
+ length
* i
);
6990 if (LPFC_RSRC_DESC_TYPE_FCFCOE
==
6991 bf_get(lpfc_rsrc_desc_fcfcoe_type
, desc
)) {
6992 phba
->sli4_hba
.iov
.pf_number
=
6993 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum
, desc
);
6994 phba
->sli4_hba
.iov
.vf_number
=
6995 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum
, desc
);
7000 if (i
< LPFC_RSRC_DESC_MAX_NUM
)
7001 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
7002 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
7003 "vf_number:%d\n", phba
->sli4_hba
.iov
.pf_number
,
7004 phba
->sli4_hba
.iov
.vf_number
);
7006 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
7007 "3028 GET_FUNCTION_CONFIG: failed to find "
7008 "Resrouce Descriptor:x%x\n",
7009 LPFC_RSRC_DESC_TYPE_FCFCOE
);
7012 mempool_free(pmb
, phba
->mbox_mem_pool
);
7017 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
7018 * @phba: pointer to lpfc hba data structure.
7020 * This routine is invoked to setup the port-side endian order when
7021 * the port if_type is 0. This routine has no function for other
7026 * -ENOMEM - No available memory
7027 * -EIO - The mailbox failed to complete successfully.
7030 lpfc_setup_endian_order(struct lpfc_hba
*phba
)
7032 LPFC_MBOXQ_t
*mboxq
;
7033 uint32_t if_type
, rc
= 0;
7034 uint32_t endian_mb_data
[2] = {HOST_ENDIAN_LOW_WORD0
,
7035 HOST_ENDIAN_HIGH_WORD1
};
7037 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7039 case LPFC_SLI_INTF_IF_TYPE_0
:
7040 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
7043 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7044 "0492 Unable to allocate memory for "
7045 "issuing SLI_CONFIG_SPECIAL mailbox "
7051 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
7052 * two words to contain special data values and no other data.
7054 memset(mboxq
, 0, sizeof(LPFC_MBOXQ_t
));
7055 memcpy(&mboxq
->u
.mqe
, &endian_mb_data
, sizeof(endian_mb_data
));
7056 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7057 if (rc
!= MBX_SUCCESS
) {
7058 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7059 "0493 SLI_CONFIG_SPECIAL mailbox "
7060 "failed with status x%x\n",
7064 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7066 case LPFC_SLI_INTF_IF_TYPE_2
:
7067 case LPFC_SLI_INTF_IF_TYPE_1
:
7075 * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
7076 * @phba: pointer to lpfc hba data structure.
7078 * This routine is invoked to check the user settable queue counts for EQs and
7079 * CQs. after this routine is called the counts will be set to valid values that
7080 * adhere to the constraints of the system's interrupt vectors and the port's
7085 * -ENOMEM - No available memory
7088 lpfc_sli4_queue_verify(struct lpfc_hba
*phba
)
7090 int cfg_fcp_io_channel
;
7093 int fof_vectors
= phba
->cfg_fof
? 1 : 0;
7096 * Sanity check for configured queue parameters against the run-time
7100 /* Sanity check on HBA EQ parameters */
7101 cfg_fcp_io_channel
= phba
->cfg_fcp_io_channel
;
7103 /* It doesn't make sense to have more io channels then online CPUs */
7104 for_each_present_cpu(cpu
) {
7105 if (cpu_online(cpu
))
7108 phba
->sli4_hba
.num_online_cpu
= i
;
7109 phba
->sli4_hba
.num_present_cpu
= lpfc_present_cpu
;
7110 phba
->sli4_hba
.curr_disp_cpu
= 0;
7112 if (i
< cfg_fcp_io_channel
) {
7113 lpfc_printf_log(phba
,
7115 "3188 Reducing IO channels to match number of "
7116 "online CPUs: from %d to %d\n",
7117 cfg_fcp_io_channel
, i
);
7118 cfg_fcp_io_channel
= i
;
7121 if (cfg_fcp_io_channel
+ fof_vectors
>
7122 phba
->sli4_hba
.max_cfg_param
.max_eq
) {
7123 if (phba
->sli4_hba
.max_cfg_param
.max_eq
<
7124 LPFC_FCP_IO_CHAN_MIN
) {
7125 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7126 "2574 Not enough EQs (%d) from the "
7127 "pci function for supporting FCP "
7129 phba
->sli4_hba
.max_cfg_param
.max_eq
,
7130 phba
->cfg_fcp_io_channel
);
7133 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7134 "2575 Reducing IO channels to match number of "
7135 "available EQs: from %d to %d\n",
7137 phba
->sli4_hba
.max_cfg_param
.max_eq
);
7138 cfg_fcp_io_channel
= phba
->sli4_hba
.max_cfg_param
.max_eq
-
7142 /* The actual number of FCP event queues adopted */
7143 phba
->cfg_fcp_io_channel
= cfg_fcp_io_channel
;
7145 /* Get EQ depth from module parameter, fake the default for now */
7146 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
7147 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
7149 /* Get CQ depth from module parameter, fake the default for now */
7150 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
7151 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
7159 * lpfc_sli4_queue_create - Create all the SLI4 queues
7160 * @phba: pointer to lpfc hba data structure.
7162 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
7163 * operation. For each SLI4 queue type, the parameters such as queue entry
7164 * count (queue depth) shall be taken from the module parameter. For now,
7165 * we just use some constant number as place holder.
7169 * -ENOMEM - No availble memory
7170 * -EIO - The mailbox failed to complete successfully.
7173 lpfc_sli4_queue_create(struct lpfc_hba
*phba
)
7175 struct lpfc_queue
*qdesc
;
7179 * Create HBA Record arrays.
7181 if (!phba
->cfg_fcp_io_channel
)
7184 phba
->sli4_hba
.mq_esize
= LPFC_MQE_SIZE
;
7185 phba
->sli4_hba
.mq_ecount
= LPFC_MQE_DEF_COUNT
;
7186 phba
->sli4_hba
.wq_esize
= LPFC_WQE_SIZE
;
7187 phba
->sli4_hba
.wq_ecount
= LPFC_WQE_DEF_COUNT
;
7188 phba
->sli4_hba
.rq_esize
= LPFC_RQE_SIZE
;
7189 phba
->sli4_hba
.rq_ecount
= LPFC_RQE_DEF_COUNT
;
7191 phba
->sli4_hba
.hba_eq
= kzalloc((sizeof(struct lpfc_queue
*) *
7192 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
7193 if (!phba
->sli4_hba
.hba_eq
) {
7194 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7195 "2576 Failed allocate memory for "
7196 "fast-path EQ record array\n");
7200 phba
->sli4_hba
.fcp_cq
= kzalloc((sizeof(struct lpfc_queue
*) *
7201 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
7202 if (!phba
->sli4_hba
.fcp_cq
) {
7203 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7204 "2577 Failed allocate memory for fast-path "
7205 "CQ record array\n");
7209 phba
->sli4_hba
.fcp_wq
= kzalloc((sizeof(struct lpfc_queue
*) *
7210 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
7211 if (!phba
->sli4_hba
.fcp_wq
) {
7212 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7213 "2578 Failed allocate memory for fast-path "
7214 "WQ record array\n");
7219 * Since the first EQ can have multiple CQs associated with it,
7220 * this array is used to quickly see if we have a FCP fast-path
7223 phba
->sli4_hba
.fcp_cq_map
= kzalloc((sizeof(uint16_t) *
7224 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
7225 if (!phba
->sli4_hba
.fcp_cq_map
) {
7226 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7227 "2545 Failed allocate memory for fast-path "
7233 * Create HBA Event Queues (EQs). The cfg_fcp_io_channel specifies
7234 * how many EQs to create.
7236 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
7239 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
7240 phba
->sli4_hba
.eq_ecount
);
7242 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7243 "0497 Failed allocate EQ (%d)\n", idx
);
7246 phba
->sli4_hba
.hba_eq
[idx
] = qdesc
;
7248 /* Create Fast Path FCP CQs */
7249 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
7250 phba
->sli4_hba
.cq_ecount
);
7252 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7253 "0499 Failed allocate fast-path FCP "
7257 phba
->sli4_hba
.fcp_cq
[idx
] = qdesc
;
7259 /* Create Fast Path FCP WQs */
7260 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
7261 phba
->sli4_hba
.wq_ecount
);
7263 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7264 "0503 Failed allocate fast-path FCP "
7268 phba
->sli4_hba
.fcp_wq
[idx
] = qdesc
;
7273 * Create Slow Path Completion Queues (CQs)
7276 /* Create slow-path Mailbox Command Complete Queue */
7277 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
7278 phba
->sli4_hba
.cq_ecount
);
7280 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7281 "0500 Failed allocate slow-path mailbox CQ\n");
7284 phba
->sli4_hba
.mbx_cq
= qdesc
;
7286 /* Create slow-path ELS Complete Queue */
7287 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
7288 phba
->sli4_hba
.cq_ecount
);
7290 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7291 "0501 Failed allocate slow-path ELS CQ\n");
7294 phba
->sli4_hba
.els_cq
= qdesc
;
7298 * Create Slow Path Work Queues (WQs)
7301 /* Create Mailbox Command Queue */
7303 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.mq_esize
,
7304 phba
->sli4_hba
.mq_ecount
);
7306 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7307 "0505 Failed allocate slow-path MQ\n");
7310 phba
->sli4_hba
.mbx_wq
= qdesc
;
7313 * Create ELS Work Queues
7316 /* Create slow-path ELS Work Queue */
7317 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
7318 phba
->sli4_hba
.wq_ecount
);
7320 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7321 "0504 Failed allocate slow-path ELS WQ\n");
7324 phba
->sli4_hba
.els_wq
= qdesc
;
7327 * Create Receive Queue (RQ)
7330 /* Create Receive Queue for header */
7331 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
7332 phba
->sli4_hba
.rq_ecount
);
7334 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7335 "0506 Failed allocate receive HRQ\n");
7338 phba
->sli4_hba
.hdr_rq
= qdesc
;
7340 /* Create Receive Queue for data */
7341 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
7342 phba
->sli4_hba
.rq_ecount
);
7344 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7345 "0507 Failed allocate receive DRQ\n");
7348 phba
->sli4_hba
.dat_rq
= qdesc
;
7350 /* Create the Queues needed for Flash Optimized Fabric operations */
7352 lpfc_fof_queue_create(phba
);
7356 lpfc_sli4_queue_destroy(phba
);
7361 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
7362 * @phba: pointer to lpfc hba data structure.
7364 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
7369 * -ENOMEM - No available memory
7370 * -EIO - The mailbox failed to complete successfully.
7373 lpfc_sli4_queue_destroy(struct lpfc_hba
*phba
)
7378 lpfc_fof_queue_destroy(phba
);
7380 if (phba
->sli4_hba
.hba_eq
!= NULL
) {
7381 /* Release HBA event queue */
7382 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
7383 if (phba
->sli4_hba
.hba_eq
[idx
] != NULL
) {
7384 lpfc_sli4_queue_free(
7385 phba
->sli4_hba
.hba_eq
[idx
]);
7386 phba
->sli4_hba
.hba_eq
[idx
] = NULL
;
7389 kfree(phba
->sli4_hba
.hba_eq
);
7390 phba
->sli4_hba
.hba_eq
= NULL
;
7393 if (phba
->sli4_hba
.fcp_cq
!= NULL
) {
7394 /* Release FCP completion queue */
7395 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
7396 if (phba
->sli4_hba
.fcp_cq
[idx
] != NULL
) {
7397 lpfc_sli4_queue_free(
7398 phba
->sli4_hba
.fcp_cq
[idx
]);
7399 phba
->sli4_hba
.fcp_cq
[idx
] = NULL
;
7402 kfree(phba
->sli4_hba
.fcp_cq
);
7403 phba
->sli4_hba
.fcp_cq
= NULL
;
7406 if (phba
->sli4_hba
.fcp_wq
!= NULL
) {
7407 /* Release FCP work queue */
7408 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
7409 if (phba
->sli4_hba
.fcp_wq
[idx
] != NULL
) {
7410 lpfc_sli4_queue_free(
7411 phba
->sli4_hba
.fcp_wq
[idx
]);
7412 phba
->sli4_hba
.fcp_wq
[idx
] = NULL
;
7415 kfree(phba
->sli4_hba
.fcp_wq
);
7416 phba
->sli4_hba
.fcp_wq
= NULL
;
7419 /* Release FCP CQ mapping array */
7420 if (phba
->sli4_hba
.fcp_cq_map
!= NULL
) {
7421 kfree(phba
->sli4_hba
.fcp_cq_map
);
7422 phba
->sli4_hba
.fcp_cq_map
= NULL
;
7425 /* Release mailbox command work queue */
7426 if (phba
->sli4_hba
.mbx_wq
!= NULL
) {
7427 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
7428 phba
->sli4_hba
.mbx_wq
= NULL
;
7431 /* Release ELS work queue */
7432 if (phba
->sli4_hba
.els_wq
!= NULL
) {
7433 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
7434 phba
->sli4_hba
.els_wq
= NULL
;
7437 /* Release unsolicited receive queue */
7438 if (phba
->sli4_hba
.hdr_rq
!= NULL
) {
7439 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
7440 phba
->sli4_hba
.hdr_rq
= NULL
;
7442 if (phba
->sli4_hba
.dat_rq
!= NULL
) {
7443 lpfc_sli4_queue_free(phba
->sli4_hba
.dat_rq
);
7444 phba
->sli4_hba
.dat_rq
= NULL
;
7447 /* Release ELS complete queue */
7448 if (phba
->sli4_hba
.els_cq
!= NULL
) {
7449 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
7450 phba
->sli4_hba
.els_cq
= NULL
;
7453 /* Release mailbox command complete queue */
7454 if (phba
->sli4_hba
.mbx_cq
!= NULL
) {
7455 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
7456 phba
->sli4_hba
.mbx_cq
= NULL
;
7463 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
7464 * @phba: pointer to lpfc hba data structure.
7466 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
7471 * -ENOMEM - No available memory
7472 * -EIO - The mailbox failed to complete successfully.
7475 lpfc_sli4_queue_setup(struct lpfc_hba
*phba
)
7477 struct lpfc_sli
*psli
= &phba
->sli
;
7478 struct lpfc_sli_ring
*pring
;
7480 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
7481 int fcp_cq_index
= 0;
7482 uint32_t shdr_status
, shdr_add_status
;
7483 union lpfc_sli4_cfg_shdr
*shdr
;
7484 LPFC_MBOXQ_t
*mboxq
;
7487 /* Check for dual-ULP support */
7488 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7490 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7491 "3249 Unable to allocate memory for "
7492 "QUERY_FW_CFG mailbox command\n");
7495 length
= (sizeof(struct lpfc_mbx_query_fw_config
) -
7496 sizeof(struct lpfc_sli4_cfg_mhdr
));
7497 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7498 LPFC_MBOX_OPCODE_QUERY_FW_CFG
,
7499 length
, LPFC_SLI4_MBX_EMBED
);
7501 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7503 shdr
= (union lpfc_sli4_cfg_shdr
*)
7504 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7505 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7506 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
7507 if (shdr_status
|| shdr_add_status
|| rc
) {
7508 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7509 "3250 QUERY_FW_CFG mailbox failed with status "
7510 "x%x add_status x%x, mbx status x%x\n",
7511 shdr_status
, shdr_add_status
, rc
);
7512 if (rc
!= MBX_TIMEOUT
)
7513 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7518 phba
->sli4_hba
.fw_func_mode
=
7519 mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.function_mode
;
7520 phba
->sli4_hba
.ulp0_mode
= mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.ulp0_mode
;
7521 phba
->sli4_hba
.ulp1_mode
= mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.ulp1_mode
;
7522 phba
->sli4_hba
.physical_port
=
7523 mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.physical_port
;
7524 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7525 "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, "
7526 "ulp1_mode:x%x\n", phba
->sli4_hba
.fw_func_mode
,
7527 phba
->sli4_hba
.ulp0_mode
, phba
->sli4_hba
.ulp1_mode
);
7529 if (rc
!= MBX_TIMEOUT
)
7530 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7533 * Set up HBA Event Queues (EQs)
7536 /* Set up HBA event queue */
7537 if (phba
->cfg_fcp_io_channel
&& !phba
->sli4_hba
.hba_eq
) {
7538 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7539 "3147 Fast-path EQs not allocated\n");
7543 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_io_channel
; fcp_eqidx
++) {
7544 if (!phba
->sli4_hba
.hba_eq
[fcp_eqidx
]) {
7545 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7546 "0522 Fast-path EQ (%d) not "
7547 "allocated\n", fcp_eqidx
);
7549 goto out_destroy_hba_eq
;
7551 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.hba_eq
[fcp_eqidx
],
7552 (phba
->cfg_fcp_imax
/ phba
->cfg_fcp_io_channel
));
7554 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7555 "0523 Failed setup of fast-path EQ "
7556 "(%d), rc = 0x%x\n", fcp_eqidx
,
7558 goto out_destroy_hba_eq
;
7560 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7561 "2584 HBA EQ setup: "
7562 "queue[%d]-id=%d\n", fcp_eqidx
,
7563 phba
->sli4_hba
.hba_eq
[fcp_eqidx
]->queue_id
);
7566 /* Set up fast-path FCP Response Complete Queue */
7567 if (!phba
->sli4_hba
.fcp_cq
) {
7568 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7569 "3148 Fast-path FCP CQ array not "
7572 goto out_destroy_hba_eq
;
7575 for (fcp_cqidx
= 0; fcp_cqidx
< phba
->cfg_fcp_io_channel
; fcp_cqidx
++) {
7576 if (!phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]) {
7577 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7578 "0526 Fast-path FCP CQ (%d) not "
7579 "allocated\n", fcp_cqidx
);
7581 goto out_destroy_fcp_cq
;
7583 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
7584 phba
->sli4_hba
.hba_eq
[fcp_cqidx
], LPFC_WCQ
, LPFC_FCP
);
7586 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7587 "0527 Failed setup of fast-path FCP "
7588 "CQ (%d), rc = 0x%x\n", fcp_cqidx
,
7590 goto out_destroy_fcp_cq
;
7593 /* Setup fcp_cq_map for fast lookup */
7594 phba
->sli4_hba
.fcp_cq_map
[fcp_cqidx
] =
7595 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
;
7597 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7598 "2588 FCP CQ setup: cq[%d]-id=%d, "
7599 "parent seq[%d]-id=%d\n",
7601 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
,
7603 phba
->sli4_hba
.hba_eq
[fcp_cqidx
]->queue_id
);
7606 /* Set up fast-path FCP Work Queue */
7607 if (!phba
->sli4_hba
.fcp_wq
) {
7608 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7609 "3149 Fast-path FCP WQ array not "
7612 goto out_destroy_fcp_cq
;
7615 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_io_channel
; fcp_wqidx
++) {
7616 if (!phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]) {
7617 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7618 "0534 Fast-path FCP WQ (%d) not "
7619 "allocated\n", fcp_wqidx
);
7621 goto out_destroy_fcp_wq
;
7623 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
],
7624 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
],
7627 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7628 "0535 Failed setup of fast-path FCP "
7629 "WQ (%d), rc = 0x%x\n", fcp_wqidx
,
7631 goto out_destroy_fcp_wq
;
7634 /* Bind this WQ to the next FCP ring */
7635 pring
= &psli
->ring
[MAX_SLI3_CONFIGURED_RINGS
+ fcp_wqidx
];
7636 pring
->sli
.sli4
.wqp
= (void *)phba
->sli4_hba
.fcp_wq
[fcp_wqidx
];
7637 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
]->pring
= pring
;
7639 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7640 "2591 FCP WQ setup: wq[%d]-id=%d, "
7641 "parent cq[%d]-id=%d\n",
7643 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]->queue_id
,
7645 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
]->queue_id
);
7648 * Set up Complete Queues (CQs)
7651 /* Set up slow-path MBOX Complete Queue as the first CQ */
7652 if (!phba
->sli4_hba
.mbx_cq
) {
7653 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7654 "0528 Mailbox CQ not allocated\n");
7656 goto out_destroy_fcp_wq
;
7658 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.mbx_cq
,
7659 phba
->sli4_hba
.hba_eq
[0], LPFC_MCQ
, LPFC_MBOX
);
7661 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7662 "0529 Failed setup of slow-path mailbox CQ: "
7663 "rc = 0x%x\n", (uint32_t)rc
);
7664 goto out_destroy_fcp_wq
;
7666 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7667 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
7668 phba
->sli4_hba
.mbx_cq
->queue_id
,
7669 phba
->sli4_hba
.hba_eq
[0]->queue_id
);
7671 /* Set up slow-path ELS Complete Queue */
7672 if (!phba
->sli4_hba
.els_cq
) {
7673 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7674 "0530 ELS CQ not allocated\n");
7676 goto out_destroy_mbx_cq
;
7678 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.els_cq
,
7679 phba
->sli4_hba
.hba_eq
[0], LPFC_WCQ
, LPFC_ELS
);
7681 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7682 "0531 Failed setup of slow-path ELS CQ: "
7683 "rc = 0x%x\n", (uint32_t)rc
);
7684 goto out_destroy_mbx_cq
;
7686 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7687 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
7688 phba
->sli4_hba
.els_cq
->queue_id
,
7689 phba
->sli4_hba
.hba_eq
[0]->queue_id
);
7692 * Set up all the Work Queues (WQs)
7695 /* Set up Mailbox Command Queue */
7696 if (!phba
->sli4_hba
.mbx_wq
) {
7697 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7698 "0538 Slow-path MQ not allocated\n");
7700 goto out_destroy_els_cq
;
7702 rc
= lpfc_mq_create(phba
, phba
->sli4_hba
.mbx_wq
,
7703 phba
->sli4_hba
.mbx_cq
, LPFC_MBOX
);
7705 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7706 "0539 Failed setup of slow-path MQ: "
7708 goto out_destroy_els_cq
;
7710 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7711 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
7712 phba
->sli4_hba
.mbx_wq
->queue_id
,
7713 phba
->sli4_hba
.mbx_cq
->queue_id
);
7715 /* Set up slow-path ELS Work Queue */
7716 if (!phba
->sli4_hba
.els_wq
) {
7717 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7718 "0536 Slow-path ELS WQ not allocated\n");
7720 goto out_destroy_mbx_wq
;
7722 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.els_wq
,
7723 phba
->sli4_hba
.els_cq
, LPFC_ELS
);
7725 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7726 "0537 Failed setup of slow-path ELS WQ: "
7727 "rc = 0x%x\n", (uint32_t)rc
);
7728 goto out_destroy_mbx_wq
;
7731 /* Bind this WQ to the ELS ring */
7732 pring
= &psli
->ring
[LPFC_ELS_RING
];
7733 pring
->sli
.sli4
.wqp
= (void *)phba
->sli4_hba
.els_wq
;
7734 phba
->sli4_hba
.els_cq
->pring
= pring
;
7736 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7737 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
7738 phba
->sli4_hba
.els_wq
->queue_id
,
7739 phba
->sli4_hba
.els_cq
->queue_id
);
7742 * Create Receive Queue (RQ)
7744 if (!phba
->sli4_hba
.hdr_rq
|| !phba
->sli4_hba
.dat_rq
) {
7745 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7746 "0540 Receive Queue not allocated\n");
7748 goto out_destroy_els_wq
;
7751 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.hdr_rq
, LPFC_ELS_HBQ
);
7752 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.dat_rq
, LPFC_ELS_HBQ
);
7754 rc
= lpfc_rq_create(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
7755 phba
->sli4_hba
.els_cq
, LPFC_USOL
);
7757 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7758 "0541 Failed setup of Receive Queue: "
7759 "rc = 0x%x\n", (uint32_t)rc
);
7760 goto out_destroy_fcp_wq
;
7763 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7764 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
7765 "parent cq-id=%d\n",
7766 phba
->sli4_hba
.hdr_rq
->queue_id
,
7767 phba
->sli4_hba
.dat_rq
->queue_id
,
7768 phba
->sli4_hba
.els_cq
->queue_id
);
7770 if (phba
->cfg_fof
) {
7771 rc
= lpfc_fof_queue_setup(phba
);
7773 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7774 "0549 Failed setup of FOF Queues: "
7776 goto out_destroy_els_rq
;
7781 * Configure EQ delay multipier for interrupt coalescing using
7782 * MODIFY_EQ_DELAY for all EQs created, LPFC_MAX_EQ_DELAY at a time.
7784 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_io_channel
;
7785 fcp_eqidx
+= LPFC_MAX_EQ_DELAY
)
7786 lpfc_modify_fcp_eq_delay(phba
, fcp_eqidx
);
7790 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
);
7792 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
7794 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
7796 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
7798 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
7800 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--)
7801 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
7803 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--)
7804 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
7806 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--)
7807 lpfc_eq_destroy(phba
, phba
->sli4_hba
.hba_eq
[fcp_eqidx
]);
7813 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
7814 * @phba: pointer to lpfc hba data structure.
7816 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
7821 * -ENOMEM - No available memory
7822 * -EIO - The mailbox failed to complete successfully.
7825 lpfc_sli4_queue_unset(struct lpfc_hba
*phba
)
7829 /* Unset the queues created for Flash Optimized Fabric operations */
7831 lpfc_fof_queue_destroy(phba
);
7832 /* Unset mailbox command work queue */
7833 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
7834 /* Unset ELS work queue */
7835 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
7836 /* Unset unsolicited receive queue */
7837 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
);
7838 /* Unset FCP work queue */
7839 if (phba
->sli4_hba
.fcp_wq
) {
7840 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7842 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
7844 /* Unset mailbox command complete queue */
7845 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
7846 /* Unset ELS complete queue */
7847 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
7848 /* Unset FCP response complete queue */
7849 if (phba
->sli4_hba
.fcp_cq
) {
7850 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7852 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
7854 /* Unset fast-path event queue */
7855 if (phba
->sli4_hba
.hba_eq
) {
7856 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7858 lpfc_eq_destroy(phba
, phba
->sli4_hba
.hba_eq
[fcp_qidx
]);
7863 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
7864 * @phba: pointer to lpfc hba data structure.
7866 * This routine is invoked to allocate and set up a pool of completion queue
7867 * events. The body of the completion queue event is a completion queue entry
7868 * CQE. For now, this pool is used for the interrupt service routine to queue
7869 * the following HBA completion queue events for the worker thread to process:
7870 * - Mailbox asynchronous events
7871 * - Receive queue completion unsolicited events
7872 * Later, this can be used for all the slow-path events.
7876 * -ENOMEM - No available memory
7879 lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*phba
)
7881 struct lpfc_cq_event
*cq_event
;
7884 for (i
= 0; i
< (4 * phba
->sli4_hba
.cq_ecount
); i
++) {
7885 cq_event
= kmalloc(sizeof(struct lpfc_cq_event
), GFP_KERNEL
);
7887 goto out_pool_create_fail
;
7888 list_add_tail(&cq_event
->list
,
7889 &phba
->sli4_hba
.sp_cqe_event_pool
);
7893 out_pool_create_fail
:
7894 lpfc_sli4_cq_event_pool_destroy(phba
);
7899 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
7900 * @phba: pointer to lpfc hba data structure.
7902 * This routine is invoked to free the pool of completion queue events at
7903 * driver unload time. Note that, it is the responsibility of the driver
7904 * cleanup routine to free all the outstanding completion-queue events
7905 * allocated from this pool back into the pool before invoking this routine
7906 * to destroy the pool.
7909 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*phba
)
7911 struct lpfc_cq_event
*cq_event
, *next_cq_event
;
7913 list_for_each_entry_safe(cq_event
, next_cq_event
,
7914 &phba
->sli4_hba
.sp_cqe_event_pool
, list
) {
7915 list_del(&cq_event
->list
);
7921 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7922 * @phba: pointer to lpfc hba data structure.
7924 * This routine is the lock free version of the API invoked to allocate a
7925 * completion-queue event from the free pool.
7927 * Return: Pointer to the newly allocated completion-queue event if successful
7930 struct lpfc_cq_event
*
7931 __lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
7933 struct lpfc_cq_event
*cq_event
= NULL
;
7935 list_remove_head(&phba
->sli4_hba
.sp_cqe_event_pool
, cq_event
,
7936 struct lpfc_cq_event
, list
);
7941 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7942 * @phba: pointer to lpfc hba data structure.
7944 * This routine is the lock version of the API invoked to allocate a
7945 * completion-queue event from the free pool.
7947 * Return: Pointer to the newly allocated completion-queue event if successful
7950 struct lpfc_cq_event
*
7951 lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
7953 struct lpfc_cq_event
*cq_event
;
7954 unsigned long iflags
;
7956 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7957 cq_event
= __lpfc_sli4_cq_event_alloc(phba
);
7958 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7963 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7964 * @phba: pointer to lpfc hba data structure.
7965 * @cq_event: pointer to the completion queue event to be freed.
7967 * This routine is the lock free version of the API invoked to release a
7968 * completion-queue event back into the free pool.
7971 __lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
7972 struct lpfc_cq_event
*cq_event
)
7974 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_cqe_event_pool
);
7978 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7979 * @phba: pointer to lpfc hba data structure.
7980 * @cq_event: pointer to the completion queue event to be freed.
7982 * This routine is the lock version of the API invoked to release a
7983 * completion-queue event back into the free pool.
7986 lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
7987 struct lpfc_cq_event
*cq_event
)
7989 unsigned long iflags
;
7990 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7991 __lpfc_sli4_cq_event_release(phba
, cq_event
);
7992 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7996 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
7997 * @phba: pointer to lpfc hba data structure.
7999 * This routine is to free all the pending completion-queue events to the
8000 * back into the free pool for device reset.
8003 lpfc_sli4_cq_event_release_all(struct lpfc_hba
*phba
)
8006 struct lpfc_cq_event
*cqe
;
8007 unsigned long iflags
;
8009 /* Retrieve all the pending WCQEs from pending WCQE lists */
8010 spin_lock_irqsave(&phba
->hbalock
, iflags
);
8011 /* Pending FCP XRI abort events */
8012 list_splice_init(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
8014 /* Pending ELS XRI abort events */
8015 list_splice_init(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
8017 /* Pending asynnc events */
8018 list_splice_init(&phba
->sli4_hba
.sp_asynce_work_queue
,
8020 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
8022 while (!list_empty(&cqelist
)) {
8023 list_remove_head(&cqelist
, cqe
, struct lpfc_cq_event
, list
);
8024 lpfc_sli4_cq_event_release(phba
, cqe
);
8029 * lpfc_pci_function_reset - Reset pci function.
8030 * @phba: pointer to lpfc hba data structure.
8032 * This routine is invoked to request a PCI function reset. It will destroys
8033 * all resources assigned to the PCI function which originates this request.
8037 * -ENOMEM - No available memory
8038 * -EIO - The mailbox failed to complete successfully.
8041 lpfc_pci_function_reset(struct lpfc_hba
*phba
)
8043 LPFC_MBOXQ_t
*mboxq
;
8044 uint32_t rc
= 0, if_type
;
8045 uint32_t shdr_status
, shdr_add_status
;
8047 uint32_t port_reset
= 0;
8048 union lpfc_sli4_cfg_shdr
*shdr
;
8049 struct lpfc_register reg_data
;
8052 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
8054 case LPFC_SLI_INTF_IF_TYPE_0
:
8055 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
8058 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8059 "0494 Unable to allocate memory for "
8060 "issuing SLI_FUNCTION_RESET mailbox "
8065 /* Setup PCI function reset mailbox-ioctl command */
8066 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
8067 LPFC_MBOX_OPCODE_FUNCTION_RESET
, 0,
8068 LPFC_SLI4_MBX_EMBED
);
8069 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8070 shdr
= (union lpfc_sli4_cfg_shdr
*)
8071 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
8072 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
8073 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
8075 if (rc
!= MBX_TIMEOUT
)
8076 mempool_free(mboxq
, phba
->mbox_mem_pool
);
8077 if (shdr_status
|| shdr_add_status
|| rc
) {
8078 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8079 "0495 SLI_FUNCTION_RESET mailbox "
8080 "failed with status x%x add_status x%x,"
8081 " mbx status x%x\n",
8082 shdr_status
, shdr_add_status
, rc
);
8086 case LPFC_SLI_INTF_IF_TYPE_2
:
8089 * Poll the Port Status Register and wait for RDY for
8090 * up to 30 seconds. If the port doesn't respond, treat
8093 for (rdy_chk
= 0; rdy_chk
< 1500; rdy_chk
++) {
8094 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.
8095 STATUSregaddr
, ®_data
.word0
)) {
8099 if (bf_get(lpfc_sliport_status_rdy
, ®_data
))
8104 if (!bf_get(lpfc_sliport_status_rdy
, ®_data
)) {
8105 phba
->work_status
[0] = readl(
8106 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
8107 phba
->work_status
[1] = readl(
8108 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
8109 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8110 "2890 Port not ready, port status reg "
8111 "0x%x error 1=0x%x, error 2=0x%x\n",
8113 phba
->work_status
[0],
8114 phba
->work_status
[1]);
8121 * Reset the port now
8124 bf_set(lpfc_sliport_ctrl_end
, ®_data
,
8125 LPFC_SLIPORT_LITTLE_ENDIAN
);
8126 bf_set(lpfc_sliport_ctrl_ip
, ®_data
,
8127 LPFC_SLIPORT_INIT_PORT
);
8128 writel(reg_data
.word0
, phba
->sli4_hba
.u
.if_type2
.
8131 pci_read_config_word(phba
->pcidev
,
8132 PCI_DEVICE_ID
, &devid
);
8137 } else if (bf_get(lpfc_sliport_status_rn
, ®_data
)) {
8143 case LPFC_SLI_INTF_IF_TYPE_1
:
8149 /* Catch the not-ready port failure after a port reset. */
8151 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8152 "3317 HBA not functional: IP Reset Failed "
8153 "try: echo fw_reset > board_mode\n");
8161 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
8162 * @phba: pointer to lpfc hba data structure.
8164 * This routine is invoked to set up the PCI device memory space for device
8165 * with SLI-4 interface spec.
8169 * other values - error
8172 lpfc_sli4_pci_mem_setup(struct lpfc_hba
*phba
)
8174 struct pci_dev
*pdev
;
8175 unsigned long bar0map_len
, bar1map_len
, bar2map_len
;
8176 int error
= -ENODEV
;
8179 /* Obtain PCI device reference */
8183 pdev
= phba
->pcidev
;
8185 /* Set the device DMA mask size */
8186 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
8187 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
8188 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
8189 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
8195 * The BARs and register set definitions and offset locations are
8196 * dependent on the if_type.
8198 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
,
8199 &phba
->sli4_hba
.sli_intf
.word0
)) {
8203 /* There is no SLI3 failback for SLI4 devices. */
8204 if (bf_get(lpfc_sli_intf_valid
, &phba
->sli4_hba
.sli_intf
) !=
8205 LPFC_SLI_INTF_VALID
) {
8206 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8207 "2894 SLI_INTF reg contents invalid "
8208 "sli_intf reg 0x%x\n",
8209 phba
->sli4_hba
.sli_intf
.word0
);
8213 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
8215 * Get the bus address of SLI4 device Bar regions and the
8216 * number of bytes required by each mapping. The mapping of the
8217 * particular PCI BARs regions is dependent on the type of
8220 if (pci_resource_start(pdev
, PCI_64BIT_BAR0
)) {
8221 phba
->pci_bar0_map
= pci_resource_start(pdev
, PCI_64BIT_BAR0
);
8222 bar0map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR0
);
8225 * Map SLI4 PCI Config Space Register base to a kernel virtual
8228 phba
->sli4_hba
.conf_regs_memmap_p
=
8229 ioremap(phba
->pci_bar0_map
, bar0map_len
);
8230 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
8231 dev_printk(KERN_ERR
, &pdev
->dev
,
8232 "ioremap failed for SLI4 PCI config "
8236 phba
->pci_bar0_memmap_p
= phba
->sli4_hba
.conf_regs_memmap_p
;
8237 /* Set up BAR0 PCI config space register memory map */
8238 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
8240 phba
->pci_bar0_map
= pci_resource_start(pdev
, 1);
8241 bar0map_len
= pci_resource_len(pdev
, 1);
8242 if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
8243 dev_printk(KERN_ERR
, &pdev
->dev
,
8244 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
8247 phba
->sli4_hba
.conf_regs_memmap_p
=
8248 ioremap(phba
->pci_bar0_map
, bar0map_len
);
8249 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
8250 dev_printk(KERN_ERR
, &pdev
->dev
,
8251 "ioremap failed for SLI4 PCI config "
8255 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
8258 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
8259 (pci_resource_start(pdev
, PCI_64BIT_BAR2
))) {
8261 * Map SLI4 if type 0 HBA Control Register base to a kernel
8262 * virtual address and setup the registers.
8264 phba
->pci_bar1_map
= pci_resource_start(pdev
, PCI_64BIT_BAR2
);
8265 bar1map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR2
);
8266 phba
->sli4_hba
.ctrl_regs_memmap_p
=
8267 ioremap(phba
->pci_bar1_map
, bar1map_len
);
8268 if (!phba
->sli4_hba
.ctrl_regs_memmap_p
) {
8269 dev_printk(KERN_ERR
, &pdev
->dev
,
8270 "ioremap failed for SLI4 HBA control registers.\n");
8271 goto out_iounmap_conf
;
8273 phba
->pci_bar2_memmap_p
= phba
->sli4_hba
.ctrl_regs_memmap_p
;
8274 lpfc_sli4_bar1_register_memmap(phba
);
8277 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
8278 (pci_resource_start(pdev
, PCI_64BIT_BAR4
))) {
8280 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
8281 * virtual address and setup the registers.
8283 phba
->pci_bar2_map
= pci_resource_start(pdev
, PCI_64BIT_BAR4
);
8284 bar2map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR4
);
8285 phba
->sli4_hba
.drbl_regs_memmap_p
=
8286 ioremap(phba
->pci_bar2_map
, bar2map_len
);
8287 if (!phba
->sli4_hba
.drbl_regs_memmap_p
) {
8288 dev_printk(KERN_ERR
, &pdev
->dev
,
8289 "ioremap failed for SLI4 HBA doorbell registers.\n");
8290 goto out_iounmap_ctrl
;
8292 phba
->pci_bar4_memmap_p
= phba
->sli4_hba
.drbl_regs_memmap_p
;
8293 error
= lpfc_sli4_bar2_register_memmap(phba
, LPFC_VF0
);
8295 goto out_iounmap_all
;
8301 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
8303 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
8305 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
8311 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
8312 * @phba: pointer to lpfc hba data structure.
8314 * This routine is invoked to unset the PCI device memory space for device
8315 * with SLI-4 interface spec.
8318 lpfc_sli4_pci_mem_unset(struct lpfc_hba
*phba
)
8321 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
8324 case LPFC_SLI_INTF_IF_TYPE_0
:
8325 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
8326 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
8327 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
8329 case LPFC_SLI_INTF_IF_TYPE_2
:
8330 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
8332 case LPFC_SLI_INTF_IF_TYPE_1
:
8334 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
8335 "FATAL - unsupported SLI4 interface type - %d\n",
8342 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
8343 * @phba: pointer to lpfc hba data structure.
8345 * This routine is invoked to enable the MSI-X interrupt vectors to device
8346 * with SLI-3 interface specs. The kernel function pci_enable_msix_exact()
8347 * is called to enable the MSI-X vectors. Note that pci_enable_msix_exact(),
8348 * once invoked, enables either all or nothing, depending on the current
8349 * availability of PCI vector resources. The device driver is responsible
8350 * for calling the individual request_irq() to register each MSI-X vector
8351 * with a interrupt handler, which is done in this function. Note that
8352 * later when device is unloading, the driver should always call free_irq()
8353 * on all MSI-X vectors it has done request_irq() on before calling
8354 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
8355 * will be left with MSI-X enabled and leaks its vectors.
8359 * other values - error
8362 lpfc_sli_enable_msix(struct lpfc_hba
*phba
)
8367 /* Set up MSI-X multi-message vectors */
8368 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
8369 phba
->msix_entries
[i
].entry
= i
;
8371 /* Configure MSI-X capability structure */
8372 rc
= pci_enable_msix_exact(phba
->pcidev
, phba
->msix_entries
,
8375 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8376 "0420 PCI enable MSI-X failed (%d)\n", rc
);
8379 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
8380 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8381 "0477 MSI-X entry[%d]: vector=x%x "
8383 phba
->msix_entries
[i
].vector
,
8384 phba
->msix_entries
[i
].entry
);
8386 * Assign MSI-X vectors to interrupt handlers
8389 /* vector-0 is associated to slow-path handler */
8390 rc
= request_irq(phba
->msix_entries
[0].vector
,
8391 &lpfc_sli_sp_intr_handler
, 0,
8392 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
8394 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8395 "0421 MSI-X slow-path request_irq failed "
8400 /* vector-1 is associated to fast-path handler */
8401 rc
= request_irq(phba
->msix_entries
[1].vector
,
8402 &lpfc_sli_fp_intr_handler
, 0,
8403 LPFC_FP_DRIVER_HANDLER_NAME
, phba
);
8406 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8407 "0429 MSI-X fast-path request_irq failed "
8413 * Configure HBA MSI-X attention conditions to messages
8415 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
8419 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8420 "0474 Unable to allocate memory for issuing "
8421 "MBOX_CONFIG_MSI command\n");
8424 rc
= lpfc_config_msi(phba
, pmb
);
8427 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
8428 if (rc
!= MBX_SUCCESS
) {
8429 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
8430 "0351 Config MSI mailbox command failed, "
8431 "mbxCmd x%x, mbxStatus x%x\n",
8432 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
);
8436 /* Free memory allocated for mailbox command */
8437 mempool_free(pmb
, phba
->mbox_mem_pool
);
8441 /* Free memory allocated for mailbox command */
8442 mempool_free(pmb
, phba
->mbox_mem_pool
);
8445 /* free the irq already requested */
8446 free_irq(phba
->msix_entries
[1].vector
, phba
);
8449 /* free the irq already requested */
8450 free_irq(phba
->msix_entries
[0].vector
, phba
);
8453 /* Unconfigure MSI-X capability structure */
8454 pci_disable_msix(phba
->pcidev
);
8461 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
8462 * @phba: pointer to lpfc hba data structure.
8464 * This routine is invoked to release the MSI-X vectors and then disable the
8465 * MSI-X interrupt mode to device with SLI-3 interface spec.
8468 lpfc_sli_disable_msix(struct lpfc_hba
*phba
)
8472 /* Free up MSI-X multi-message vectors */
8473 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
8474 free_irq(phba
->msix_entries
[i
].vector
, phba
);
8476 pci_disable_msix(phba
->pcidev
);
8482 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
8483 * @phba: pointer to lpfc hba data structure.
8485 * This routine is invoked to enable the MSI interrupt mode to device with
8486 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
8487 * enable the MSI vector. The device driver is responsible for calling the
8488 * request_irq() to register MSI vector with a interrupt the handler, which
8489 * is done in this function.
8493 * other values - error
8496 lpfc_sli_enable_msi(struct lpfc_hba
*phba
)
8500 rc
= pci_enable_msi(phba
->pcidev
);
8502 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8503 "0462 PCI enable MSI mode success.\n");
8505 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8506 "0471 PCI enable MSI mode failed (%d)\n", rc
);
8510 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
8511 0, LPFC_DRIVER_NAME
, phba
);
8513 pci_disable_msi(phba
->pcidev
);
8514 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8515 "0478 MSI request_irq failed (%d)\n", rc
);
8521 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
8522 * @phba: pointer to lpfc hba data structure.
8524 * This routine is invoked to disable the MSI interrupt mode to device with
8525 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
8526 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8527 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8531 lpfc_sli_disable_msi(struct lpfc_hba
*phba
)
8533 free_irq(phba
->pcidev
->irq
, phba
);
8534 pci_disable_msi(phba
->pcidev
);
8539 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
8540 * @phba: pointer to lpfc hba data structure.
8542 * This routine is invoked to enable device interrupt and associate driver's
8543 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
8544 * spec. Depends on the interrupt mode configured to the driver, the driver
8545 * will try to fallback from the configured interrupt mode to an interrupt
8546 * mode which is supported by the platform, kernel, and device in the order
8548 * MSI-X -> MSI -> IRQ.
8552 * other values - error
8555 lpfc_sli_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
8557 uint32_t intr_mode
= LPFC_INTR_ERROR
;
8560 if (cfg_mode
== 2) {
8561 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
8562 retval
= lpfc_sli_config_port(phba
, LPFC_SLI_REV3
);
8564 /* Now, try to enable MSI-X interrupt mode */
8565 retval
= lpfc_sli_enable_msix(phba
);
8567 /* Indicate initialization to MSI-X mode */
8568 phba
->intr_type
= MSIX
;
8574 /* Fallback to MSI if MSI-X initialization failed */
8575 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
8576 retval
= lpfc_sli_enable_msi(phba
);
8578 /* Indicate initialization to MSI mode */
8579 phba
->intr_type
= MSI
;
8584 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8585 if (phba
->intr_type
== NONE
) {
8586 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
8587 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8589 /* Indicate initialization to INTx mode */
8590 phba
->intr_type
= INTx
;
8598 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
8599 * @phba: pointer to lpfc hba data structure.
8601 * This routine is invoked to disable device interrupt and disassociate the
8602 * driver's interrupt handler(s) from interrupt vector(s) to device with
8603 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
8604 * release the interrupt vector(s) for the message signaled interrupt.
8607 lpfc_sli_disable_intr(struct lpfc_hba
*phba
)
8609 /* Disable the currently initialized interrupt mode */
8610 if (phba
->intr_type
== MSIX
)
8611 lpfc_sli_disable_msix(phba
);
8612 else if (phba
->intr_type
== MSI
)
8613 lpfc_sli_disable_msi(phba
);
8614 else if (phba
->intr_type
== INTx
)
8615 free_irq(phba
->pcidev
->irq
, phba
);
8617 /* Reset interrupt management states */
8618 phba
->intr_type
= NONE
;
8619 phba
->sli
.slistat
.sli_intr
= 0;
8625 * lpfc_find_next_cpu - Find next available CPU that matches the phys_id
8626 * @phba: pointer to lpfc hba data structure.
8628 * Find next available CPU to use for IRQ to CPU affinity.
8631 lpfc_find_next_cpu(struct lpfc_hba
*phba
, uint32_t phys_id
)
8633 struct lpfc_vector_map_info
*cpup
;
8636 cpup
= phba
->sli4_hba
.cpu_map
;
8637 for (cpu
= 0; cpu
< phba
->sli4_hba
.num_present_cpu
; cpu
++) {
8638 /* CPU must be online */
8639 if (cpu_online(cpu
)) {
8640 if ((cpup
->irq
== LPFC_VECTOR_MAP_EMPTY
) &&
8641 (lpfc_used_cpu
[cpu
] == LPFC_VECTOR_MAP_EMPTY
) &&
8642 (cpup
->phys_id
== phys_id
)) {
8650 * If we get here, we have used ALL CPUs for the specific
8651 * phys_id. Now we need to clear out lpfc_used_cpu and start
8655 for (cpu
= 0; cpu
< phba
->sli4_hba
.num_present_cpu
; cpu
++) {
8656 if (lpfc_used_cpu
[cpu
] == phys_id
)
8657 lpfc_used_cpu
[cpu
] = LPFC_VECTOR_MAP_EMPTY
;
8660 cpup
= phba
->sli4_hba
.cpu_map
;
8661 for (cpu
= 0; cpu
< phba
->sli4_hba
.num_present_cpu
; cpu
++) {
8662 /* CPU must be online */
8663 if (cpu_online(cpu
)) {
8664 if ((cpup
->irq
== LPFC_VECTOR_MAP_EMPTY
) &&
8665 (cpup
->phys_id
== phys_id
)) {
8671 return LPFC_VECTOR_MAP_EMPTY
;
8675 * lpfc_sli4_set_affinity - Set affinity for HBA IRQ vectors
8676 * @phba: pointer to lpfc hba data structure.
8677 * @vectors: number of HBA vectors
8679 * Affinitize MSIX IRQ vectors to CPUs. Try to equally spread vector
8680 * affinization across multple physical CPUs (numa nodes).
8681 * In addition, this routine will assign an IO channel for each CPU
8682 * to use when issuing I/Os.
8685 lpfc_sli4_set_affinity(struct lpfc_hba
*phba
, int vectors
)
8687 int i
, idx
, saved_chann
, used_chann
, cpu
, phys_id
;
8688 int max_phys_id
, min_phys_id
;
8689 int num_io_channel
, first_cpu
, chan
;
8690 struct lpfc_vector_map_info
*cpup
;
8692 struct cpuinfo_x86
*cpuinfo
;
8694 uint8_t chann
[LPFC_FCP_IO_CHAN_MAX
+1];
8696 /* If there is no mapping, just return */
8697 if (!phba
->cfg_fcp_cpu_map
)
8700 /* Init cpu_map array */
8701 memset(phba
->sli4_hba
.cpu_map
, 0xff,
8702 (sizeof(struct lpfc_vector_map_info
) *
8703 phba
->sli4_hba
.num_present_cpu
));
8709 first_cpu
= LPFC_VECTOR_MAP_EMPTY
;
8711 /* Update CPU map with physical id and core id of each CPU */
8712 cpup
= phba
->sli4_hba
.cpu_map
;
8713 for (cpu
= 0; cpu
< phba
->sli4_hba
.num_present_cpu
; cpu
++) {
8715 cpuinfo
= &cpu_data(cpu
);
8716 cpup
->phys_id
= cpuinfo
->phys_proc_id
;
8717 cpup
->core_id
= cpuinfo
->cpu_core_id
;
8719 /* No distinction between CPUs for other platforms */
8724 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8725 "3328 CPU physid %d coreid %d\n",
8726 cpup
->phys_id
, cpup
->core_id
);
8728 if (cpup
->phys_id
> max_phys_id
)
8729 max_phys_id
= cpup
->phys_id
;
8730 if (cpup
->phys_id
< min_phys_id
)
8731 min_phys_id
= cpup
->phys_id
;
8735 phys_id
= min_phys_id
;
8736 /* Now associate the HBA vectors with specific CPUs */
8737 for (idx
= 0; idx
< vectors
; idx
++) {
8738 cpup
= phba
->sli4_hba
.cpu_map
;
8739 cpu
= lpfc_find_next_cpu(phba
, phys_id
);
8740 if (cpu
== LPFC_VECTOR_MAP_EMPTY
) {
8742 /* Try for all phys_id's */
8743 for (i
= 1; i
< max_phys_id
; i
++) {
8745 if (phys_id
> max_phys_id
)
8746 phys_id
= min_phys_id
;
8747 cpu
= lpfc_find_next_cpu(phba
, phys_id
);
8748 if (cpu
== LPFC_VECTOR_MAP_EMPTY
)
8753 /* Use round robin for scheduling */
8754 phba
->cfg_fcp_io_sched
= LPFC_FCP_SCHED_ROUND_ROBIN
;
8756 cpup
= phba
->sli4_hba
.cpu_map
;
8757 for (i
= 0; i
< phba
->sli4_hba
.num_present_cpu
; i
++) {
8758 cpup
->channel_id
= chan
;
8761 if (chan
>= phba
->cfg_fcp_io_channel
)
8765 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8766 "3329 Cannot set affinity:"
8767 "Error mapping vector %d (%d)\n",
8773 if (phba
->cfg_fcp_cpu_map
== LPFC_DRIVER_CPU_MAP
)
8774 lpfc_used_cpu
[cpu
] = phys_id
;
8776 /* Associate vector with selected CPU */
8777 cpup
->irq
= phba
->sli4_hba
.msix_entries
[idx
].vector
;
8779 /* Associate IO channel with selected CPU */
8780 cpup
->channel_id
= idx
;
8783 if (first_cpu
== LPFC_VECTOR_MAP_EMPTY
)
8786 /* Now affinitize to the selected CPU */
8787 i
= irq_set_affinity_hint(phba
->sli4_hba
.msix_entries
[idx
].
8788 vector
, get_cpu_mask(cpu
));
8790 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8791 "3330 Set Affinity: CPU %d channel %d "
8793 cpu
, cpup
->channel_id
,
8794 phba
->sli4_hba
.msix_entries
[idx
].vector
, i
);
8796 /* Spread vector mapping across multple physical CPU nodes */
8798 if (phys_id
> max_phys_id
)
8799 phys_id
= min_phys_id
;
8803 * Finally fill in the IO channel for any remaining CPUs.
8804 * At this point, all IO channels have been assigned to a specific
8805 * MSIx vector, mapped to a specific CPU.
8806 * Base the remaining IO channel assigned, to IO channels already
8807 * assigned to other CPUs on the same phys_id.
8809 for (i
= min_phys_id
; i
<= max_phys_id
; i
++) {
8811 * If there are no io channels already mapped to
8812 * this phys_id, just round robin thru the io_channels.
8813 * Setup chann[] for round robin.
8815 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++)
8822 * First build a list of IO channels already assigned
8823 * to this phys_id before reassigning the same IO
8824 * channels to the remaining CPUs.
8826 cpup
= phba
->sli4_hba
.cpu_map
;
8829 for (idx
= 0; idx
< phba
->sli4_hba
.num_present_cpu
;
8831 if (cpup
->phys_id
== i
) {
8833 * Save any IO channels that are
8834 * already mapped to this phys_id.
8836 if (cpup
->irq
!= LPFC_VECTOR_MAP_EMPTY
) {
8838 LPFC_FCP_IO_CHAN_MAX
) {
8839 chann
[saved_chann
] =
8846 /* See if we are using round-robin */
8847 if (saved_chann
== 0)
8849 phba
->cfg_fcp_io_channel
;
8851 /* Associate next IO channel with CPU */
8852 cpup
->channel_id
= chann
[used_chann
];
8855 if (used_chann
== saved_chann
)
8858 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8859 "3331 Set IO_CHANN "
8860 "CPU %d channel %d\n",
8861 idx
, cpup
->channel_id
);
8865 if (cpu
>= phba
->sli4_hba
.num_present_cpu
) {
8866 cpup
= phba
->sli4_hba
.cpu_map
;
8874 if (phba
->sli4_hba
.num_online_cpu
!= phba
->sli4_hba
.num_present_cpu
) {
8875 cpup
= phba
->sli4_hba
.cpu_map
;
8876 for (idx
= 0; idx
< phba
->sli4_hba
.num_present_cpu
; idx
++) {
8877 if (cpup
->channel_id
== LPFC_VECTOR_MAP_EMPTY
) {
8878 cpup
->channel_id
= 0;
8881 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8882 "3332 Assign IO_CHANN "
8883 "CPU %d channel %d\n",
8884 idx
, cpup
->channel_id
);
8891 if (num_io_channel
!= phba
->sli4_hba
.num_present_cpu
)
8892 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8893 "3333 Set affinity mismatch:"
8894 "%d chann != %d cpus: %d vectors\n",
8895 num_io_channel
, phba
->sli4_hba
.num_present_cpu
,
8898 /* Enable using cpu affinity for scheduling */
8899 phba
->cfg_fcp_io_sched
= LPFC_FCP_SCHED_BY_CPU
;
8905 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
8906 * @phba: pointer to lpfc hba data structure.
8908 * This routine is invoked to enable the MSI-X interrupt vectors to device
8909 * with SLI-4 interface spec. The kernel function pci_enable_msix_range()
8910 * is called to enable the MSI-X vectors. The device driver is responsible
8911 * for calling the individual request_irq() to register each MSI-X vector
8912 * with a interrupt handler, which is done in this function. Note that
8913 * later when device is unloading, the driver should always call free_irq()
8914 * on all MSI-X vectors it has done request_irq() on before calling
8915 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
8916 * will be left with MSI-X enabled and leaks its vectors.
8920 * other values - error
8923 lpfc_sli4_enable_msix(struct lpfc_hba
*phba
)
8925 int vectors
, rc
, index
;
8927 /* Set up MSI-X multi-message vectors */
8928 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++)
8929 phba
->sli4_hba
.msix_entries
[index
].entry
= index
;
8931 /* Configure MSI-X capability structure */
8932 vectors
= phba
->cfg_fcp_io_channel
;
8933 if (phba
->cfg_fof
) {
8934 phba
->sli4_hba
.msix_entries
[index
].entry
= index
;
8937 rc
= pci_enable_msix_range(phba
->pcidev
, phba
->sli4_hba
.msix_entries
,
8940 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8941 "0484 PCI enable MSI-X failed (%d)\n", rc
);
8946 /* Log MSI-X vector assignment */
8947 for (index
= 0; index
< vectors
; index
++)
8948 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8949 "0489 MSI-X entry[%d]: vector=x%x "
8950 "message=%d\n", index
,
8951 phba
->sli4_hba
.msix_entries
[index
].vector
,
8952 phba
->sli4_hba
.msix_entries
[index
].entry
);
8954 /* Assign MSI-X vectors to interrupt handlers */
8955 for (index
= 0; index
< vectors
; index
++) {
8956 memset(&phba
->sli4_hba
.handler_name
[index
], 0, 16);
8957 snprintf((char *)&phba
->sli4_hba
.handler_name
[index
],
8958 LPFC_SLI4_HANDLER_NAME_SZ
,
8959 LPFC_DRIVER_HANDLER_NAME
"%d", index
);
8961 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8962 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8963 atomic_set(&phba
->sli4_hba
.fcp_eq_hdl
[index
].fcp_eq_in_use
, 1);
8964 if (phba
->cfg_fof
&& (index
== (vectors
- 1)))
8966 phba
->sli4_hba
.msix_entries
[index
].vector
,
8967 &lpfc_sli4_fof_intr_handler
, 0,
8968 (char *)&phba
->sli4_hba
.handler_name
[index
],
8969 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8972 phba
->sli4_hba
.msix_entries
[index
].vector
,
8973 &lpfc_sli4_hba_intr_handler
, 0,
8974 (char *)&phba
->sli4_hba
.handler_name
[index
],
8975 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8977 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8978 "0486 MSI-X fast-path (%d) "
8979 "request_irq failed (%d)\n", index
, rc
);
8987 if (vectors
!= phba
->cfg_fcp_io_channel
) {
8988 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8989 "3238 Reducing IO channels to match number of "
8990 "MSI-X vectors, requested %d got %d\n",
8991 phba
->cfg_fcp_io_channel
, vectors
);
8992 phba
->cfg_fcp_io_channel
= vectors
;
8995 if (!shost_use_blk_mq(lpfc_shost_from_vport(phba
->pport
)))
8996 lpfc_sli4_set_affinity(phba
, vectors
);
9000 /* free the irq already requested */
9001 for (--index
; index
>= 0; index
--) {
9002 irq_set_affinity_hint(phba
->sli4_hba
.msix_entries
[index
].
9004 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
9005 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
9008 /* Unconfigure MSI-X capability structure */
9009 pci_disable_msix(phba
->pcidev
);
9016 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
9017 * @phba: pointer to lpfc hba data structure.
9019 * This routine is invoked to release the MSI-X vectors and then disable the
9020 * MSI-X interrupt mode to device with SLI-4 interface spec.
9023 lpfc_sli4_disable_msix(struct lpfc_hba
*phba
)
9027 /* Free up MSI-X multi-message vectors */
9028 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++) {
9029 irq_set_affinity_hint(phba
->sli4_hba
.msix_entries
[index
].
9031 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
9032 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
9034 if (phba
->cfg_fof
) {
9035 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
9036 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
9039 pci_disable_msix(phba
->pcidev
);
9045 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
9046 * @phba: pointer to lpfc hba data structure.
9048 * This routine is invoked to enable the MSI interrupt mode to device with
9049 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
9050 * to enable the MSI vector. The device driver is responsible for calling
9051 * the request_irq() to register MSI vector with a interrupt the handler,
9052 * which is done in this function.
9056 * other values - error
9059 lpfc_sli4_enable_msi(struct lpfc_hba
*phba
)
9063 rc
= pci_enable_msi(phba
->pcidev
);
9065 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9066 "0487 PCI enable MSI mode success.\n");
9068 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9069 "0488 PCI enable MSI mode failed (%d)\n", rc
);
9073 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
9074 0, LPFC_DRIVER_NAME
, phba
);
9076 pci_disable_msi(phba
->pcidev
);
9077 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
9078 "0490 MSI request_irq failed (%d)\n", rc
);
9082 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++) {
9083 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
9084 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
9087 if (phba
->cfg_fof
) {
9088 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
9089 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
9095 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
9096 * @phba: pointer to lpfc hba data structure.
9098 * This routine is invoked to disable the MSI interrupt mode to device with
9099 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
9100 * done request_irq() on before calling pci_disable_msi(). Failure to do so
9101 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
9105 lpfc_sli4_disable_msi(struct lpfc_hba
*phba
)
9107 free_irq(phba
->pcidev
->irq
, phba
);
9108 pci_disable_msi(phba
->pcidev
);
9113 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
9114 * @phba: pointer to lpfc hba data structure.
9116 * This routine is invoked to enable device interrupt and associate driver's
9117 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
9118 * interface spec. Depends on the interrupt mode configured to the driver,
9119 * the driver will try to fallback from the configured interrupt mode to an
9120 * interrupt mode which is supported by the platform, kernel, and device in
9122 * MSI-X -> MSI -> IRQ.
9126 * other values - error
9129 lpfc_sli4_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
9131 uint32_t intr_mode
= LPFC_INTR_ERROR
;
9134 if (cfg_mode
== 2) {
9135 /* Preparation before conf_msi mbox cmd */
9138 /* Now, try to enable MSI-X interrupt mode */
9139 retval
= lpfc_sli4_enable_msix(phba
);
9141 /* Indicate initialization to MSI-X mode */
9142 phba
->intr_type
= MSIX
;
9148 /* Fallback to MSI if MSI-X initialization failed */
9149 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
9150 retval
= lpfc_sli4_enable_msi(phba
);
9152 /* Indicate initialization to MSI mode */
9153 phba
->intr_type
= MSI
;
9158 /* Fallback to INTx if both MSI-X/MSI initalization failed */
9159 if (phba
->intr_type
== NONE
) {
9160 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
9161 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
9163 /* Indicate initialization to INTx mode */
9164 phba
->intr_type
= INTx
;
9166 for (index
= 0; index
< phba
->cfg_fcp_io_channel
;
9168 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
9169 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
9170 atomic_set(&phba
->sli4_hba
.fcp_eq_hdl
[index
].
9173 if (phba
->cfg_fof
) {
9174 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
9175 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
9176 atomic_set(&phba
->sli4_hba
.fcp_eq_hdl
[index
].
9185 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
9186 * @phba: pointer to lpfc hba data structure.
9188 * This routine is invoked to disable device interrupt and disassociate
9189 * the driver's interrupt handler(s) from interrupt vector(s) to device
9190 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
9191 * will release the interrupt vector(s) for the message signaled interrupt.
9194 lpfc_sli4_disable_intr(struct lpfc_hba
*phba
)
9196 /* Disable the currently initialized interrupt mode */
9197 if (phba
->intr_type
== MSIX
)
9198 lpfc_sli4_disable_msix(phba
);
9199 else if (phba
->intr_type
== MSI
)
9200 lpfc_sli4_disable_msi(phba
);
9201 else if (phba
->intr_type
== INTx
)
9202 free_irq(phba
->pcidev
->irq
, phba
);
9204 /* Reset interrupt management states */
9205 phba
->intr_type
= NONE
;
9206 phba
->sli
.slistat
.sli_intr
= 0;
9212 * lpfc_unset_hba - Unset SLI3 hba device initialization
9213 * @phba: pointer to lpfc hba data structure.
9215 * This routine is invoked to unset the HBA device initialization steps to
9216 * a device with SLI-3 interface spec.
9219 lpfc_unset_hba(struct lpfc_hba
*phba
)
9221 struct lpfc_vport
*vport
= phba
->pport
;
9222 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
9224 spin_lock_irq(shost
->host_lock
);
9225 vport
->load_flag
|= FC_UNLOADING
;
9226 spin_unlock_irq(shost
->host_lock
);
9228 kfree(phba
->vpi_bmask
);
9229 kfree(phba
->vpi_ids
);
9231 lpfc_stop_hba_timers(phba
);
9233 phba
->pport
->work_port_events
= 0;
9235 lpfc_sli_hba_down(phba
);
9237 lpfc_sli_brdrestart(phba
);
9239 lpfc_sli_disable_intr(phba
);
9245 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
9246 * @phba: Pointer to HBA context object.
9248 * This function is called in the SLI4 code path to wait for completion
9249 * of device's XRIs exchange busy. It will check the XRI exchange busy
9250 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
9251 * that, it will check the XRI exchange busy on outstanding FCP and ELS
9252 * I/Os every 30 seconds, log error message, and wait forever. Only when
9253 * all XRI exchange busy complete, the driver unload shall proceed with
9254 * invoking the function reset ioctl mailbox command to the CNA and the
9255 * the rest of the driver unload resource release.
9258 lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba
*phba
)
9261 int fcp_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
9262 int els_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
9264 while (!fcp_xri_cmpl
|| !els_xri_cmpl
) {
9265 if (wait_time
> LPFC_XRI_EXCH_BUSY_WAIT_TMO
) {
9267 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9268 "2877 FCP XRI exchange busy "
9269 "wait time: %d seconds.\n",
9272 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9273 "2878 ELS XRI exchange busy "
9274 "wait time: %d seconds.\n",
9276 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2
);
9277 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T2
;
9279 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1
);
9280 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T1
;
9283 list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
9285 list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
9290 * lpfc_sli4_hba_unset - Unset the fcoe hba
9291 * @phba: Pointer to HBA context object.
9293 * This function is called in the SLI4 code path to reset the HBA's FCoE
9294 * function. The caller is not required to hold any lock. This routine
9295 * issues PCI function reset mailbox command to reset the FCoE function.
9296 * At the end of the function, it calls lpfc_hba_down_post function to
9297 * free any pending commands.
9300 lpfc_sli4_hba_unset(struct lpfc_hba
*phba
)
9303 LPFC_MBOXQ_t
*mboxq
;
9304 struct pci_dev
*pdev
= phba
->pcidev
;
9306 lpfc_stop_hba_timers(phba
);
9307 phba
->sli4_hba
.intr_enable
= 0;
9310 * Gracefully wait out the potential current outstanding asynchronous
9314 /* First, block any pending async mailbox command from posted */
9315 spin_lock_irq(&phba
->hbalock
);
9316 phba
->sli
.sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
9317 spin_unlock_irq(&phba
->hbalock
);
9318 /* Now, trying to wait it out if we can */
9319 while (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
9321 if (++wait_cnt
> LPFC_ACTIVE_MBOX_WAIT_CNT
)
9324 /* Forcefully release the outstanding mailbox command if timed out */
9325 if (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
9326 spin_lock_irq(&phba
->hbalock
);
9327 mboxq
= phba
->sli
.mbox_active
;
9328 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
9329 __lpfc_mbox_cmpl_put(phba
, mboxq
);
9330 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
9331 phba
->sli
.mbox_active
= NULL
;
9332 spin_unlock_irq(&phba
->hbalock
);
9335 /* Abort all iocbs associated with the hba */
9336 lpfc_sli_hba_iocb_abort(phba
);
9338 /* Wait for completion of device XRI exchange busy */
9339 lpfc_sli4_xri_exchange_busy_wait(phba
);
9341 /* Disable PCI subsystem interrupt */
9342 lpfc_sli4_disable_intr(phba
);
9344 /* Disable SR-IOV if enabled */
9345 if (phba
->cfg_sriov_nr_virtfn
)
9346 pci_disable_sriov(pdev
);
9348 /* Stop kthread signal shall trigger work_done one more time */
9349 kthread_stop(phba
->worker_thread
);
9351 /* Reset SLI4 HBA FCoE function */
9352 lpfc_pci_function_reset(phba
);
9353 lpfc_sli4_queue_destroy(phba
);
9355 /* Stop the SLI4 device port */
9356 phba
->pport
->work_port_events
= 0;
9360 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
9361 * @phba: Pointer to HBA context object.
9362 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
9364 * This function is called in the SLI4 code path to read the port's
9365 * sli4 capabilities.
9367 * This function may be be called from any context that can block-wait
9368 * for the completion. The expectation is that this routine is called
9369 * typically from probe_one or from the online routine.
9372 lpfc_pc_sli4_params_get(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
9375 struct lpfc_mqe
*mqe
;
9376 struct lpfc_pc_sli4_params
*sli4_params
;
9380 mqe
= &mboxq
->u
.mqe
;
9382 /* Read the port's SLI4 Parameters port capabilities */
9383 lpfc_pc_sli4_params(mboxq
);
9384 if (!phba
->sli4_hba
.intr_enable
)
9385 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
9387 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
9388 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
9394 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
9395 sli4_params
->if_type
= bf_get(if_type
, &mqe
->un
.sli4_params
);
9396 sli4_params
->sli_rev
= bf_get(sli_rev
, &mqe
->un
.sli4_params
);
9397 sli4_params
->sli_family
= bf_get(sli_family
, &mqe
->un
.sli4_params
);
9398 sli4_params
->featurelevel_1
= bf_get(featurelevel_1
,
9399 &mqe
->un
.sli4_params
);
9400 sli4_params
->featurelevel_2
= bf_get(featurelevel_2
,
9401 &mqe
->un
.sli4_params
);
9402 sli4_params
->proto_types
= mqe
->un
.sli4_params
.word3
;
9403 sli4_params
->sge_supp_len
= mqe
->un
.sli4_params
.sge_supp_len
;
9404 sli4_params
->if_page_sz
= bf_get(if_page_sz
, &mqe
->un
.sli4_params
);
9405 sli4_params
->rq_db_window
= bf_get(rq_db_window
, &mqe
->un
.sli4_params
);
9406 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, &mqe
->un
.sli4_params
);
9407 sli4_params
->eq_pages_max
= bf_get(eq_pages
, &mqe
->un
.sli4_params
);
9408 sli4_params
->eqe_size
= bf_get(eqe_size
, &mqe
->un
.sli4_params
);
9409 sli4_params
->cq_pages_max
= bf_get(cq_pages
, &mqe
->un
.sli4_params
);
9410 sli4_params
->cqe_size
= bf_get(cqe_size
, &mqe
->un
.sli4_params
);
9411 sli4_params
->mq_pages_max
= bf_get(mq_pages
, &mqe
->un
.sli4_params
);
9412 sli4_params
->mqe_size
= bf_get(mqe_size
, &mqe
->un
.sli4_params
);
9413 sli4_params
->mq_elem_cnt
= bf_get(mq_elem_cnt
, &mqe
->un
.sli4_params
);
9414 sli4_params
->wq_pages_max
= bf_get(wq_pages
, &mqe
->un
.sli4_params
);
9415 sli4_params
->wqe_size
= bf_get(wqe_size
, &mqe
->un
.sli4_params
);
9416 sli4_params
->rq_pages_max
= bf_get(rq_pages
, &mqe
->un
.sli4_params
);
9417 sli4_params
->rqe_size
= bf_get(rqe_size
, &mqe
->un
.sli4_params
);
9418 sli4_params
->hdr_pages_max
= bf_get(hdr_pages
, &mqe
->un
.sli4_params
);
9419 sli4_params
->hdr_size
= bf_get(hdr_size
, &mqe
->un
.sli4_params
);
9420 sli4_params
->hdr_pp_align
= bf_get(hdr_pp_align
, &mqe
->un
.sli4_params
);
9421 sli4_params
->sgl_pages_max
= bf_get(sgl_pages
, &mqe
->un
.sli4_params
);
9422 sli4_params
->sgl_pp_align
= bf_get(sgl_pp_align
, &mqe
->un
.sli4_params
);
9424 /* Make sure that sge_supp_len can be handled by the driver */
9425 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
9426 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
9432 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
9433 * @phba: Pointer to HBA context object.
9434 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
9436 * This function is called in the SLI4 code path to read the port's
9437 * sli4 capabilities.
9439 * This function may be be called from any context that can block-wait
9440 * for the completion. The expectation is that this routine is called
9441 * typically from probe_one or from the online routine.
9444 lpfc_get_sli4_parameters(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
9447 struct lpfc_mqe
*mqe
= &mboxq
->u
.mqe
;
9448 struct lpfc_pc_sli4_params
*sli4_params
;
9451 struct lpfc_sli4_parameters
*mbx_sli4_parameters
;
9454 * By default, the driver assumes the SLI4 port requires RPI
9455 * header postings. The SLI4_PARAM response will correct this
9458 phba
->sli4_hba
.rpi_hdrs_in_use
= 1;
9460 /* Read the port's SLI4 Config Parameters */
9461 length
= (sizeof(struct lpfc_mbx_get_sli4_parameters
) -
9462 sizeof(struct lpfc_sli4_cfg_mhdr
));
9463 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
9464 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS
,
9465 length
, LPFC_SLI4_MBX_EMBED
);
9466 if (!phba
->sli4_hba
.intr_enable
)
9467 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
9469 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
9470 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
9474 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
9475 mbx_sli4_parameters
= &mqe
->un
.get_sli4_parameters
.sli4_parameters
;
9476 sli4_params
->if_type
= bf_get(cfg_if_type
, mbx_sli4_parameters
);
9477 sli4_params
->sli_rev
= bf_get(cfg_sli_rev
, mbx_sli4_parameters
);
9478 sli4_params
->sli_family
= bf_get(cfg_sli_family
, mbx_sli4_parameters
);
9479 sli4_params
->featurelevel_1
= bf_get(cfg_sli_hint_1
,
9480 mbx_sli4_parameters
);
9481 sli4_params
->featurelevel_2
= bf_get(cfg_sli_hint_2
,
9482 mbx_sli4_parameters
);
9483 if (bf_get(cfg_phwq
, mbx_sli4_parameters
))
9484 phba
->sli3_options
|= LPFC_SLI4_PHWQ_ENABLED
;
9486 phba
->sli3_options
&= ~LPFC_SLI4_PHWQ_ENABLED
;
9487 sli4_params
->sge_supp_len
= mbx_sli4_parameters
->sge_supp_len
;
9488 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, mbx_sli4_parameters
);
9489 sli4_params
->oas_supported
= bf_get(cfg_oas
, mbx_sli4_parameters
);
9490 sli4_params
->cqv
= bf_get(cfg_cqv
, mbx_sli4_parameters
);
9491 sli4_params
->mqv
= bf_get(cfg_mqv
, mbx_sli4_parameters
);
9492 sli4_params
->wqv
= bf_get(cfg_wqv
, mbx_sli4_parameters
);
9493 sli4_params
->rqv
= bf_get(cfg_rqv
, mbx_sli4_parameters
);
9494 sli4_params
->wqsize
= bf_get(cfg_wqsize
, mbx_sli4_parameters
);
9495 sli4_params
->sgl_pages_max
= bf_get(cfg_sgl_page_cnt
,
9496 mbx_sli4_parameters
);
9497 sli4_params
->sgl_pp_align
= bf_get(cfg_sgl_pp_align
,
9498 mbx_sli4_parameters
);
9499 phba
->sli4_hba
.extents_in_use
= bf_get(cfg_ext
, mbx_sli4_parameters
);
9500 phba
->sli4_hba
.rpi_hdrs_in_use
= bf_get(cfg_hdrr
, mbx_sli4_parameters
);
9502 /* Make sure that sge_supp_len can be handled by the driver */
9503 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
9504 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
9510 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
9511 * @pdev: pointer to PCI device
9512 * @pid: pointer to PCI device identifier
9514 * This routine is to be called to attach a device with SLI-3 interface spec
9515 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
9516 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
9517 * information of the device and driver to see if the driver state that it can
9518 * support this kind of device. If the match is successful, the driver core
9519 * invokes this routine. If this routine determines it can claim the HBA, it
9520 * does all the initialization that it needs to do to handle the HBA properly.
9523 * 0 - driver can claim the device
9524 * negative value - driver can not claim the device
9527 lpfc_pci_probe_one_s3(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
9529 struct lpfc_hba
*phba
;
9530 struct lpfc_vport
*vport
= NULL
;
9531 struct Scsi_Host
*shost
= NULL
;
9533 uint32_t cfg_mode
, intr_mode
;
9535 /* Allocate memory for HBA structure */
9536 phba
= lpfc_hba_alloc(pdev
);
9540 /* Perform generic PCI device enabling operation */
9541 error
= lpfc_enable_pci_dev(phba
);
9545 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
9546 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_LP
);
9548 goto out_disable_pci_dev
;
9550 /* Set up SLI-3 specific device PCI memory space */
9551 error
= lpfc_sli_pci_mem_setup(phba
);
9553 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9554 "1402 Failed to set up pci memory space.\n");
9555 goto out_disable_pci_dev
;
9558 /* Set up phase-1 common device driver resources */
9559 error
= lpfc_setup_driver_resource_phase1(phba
);
9561 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9562 "1403 Failed to set up driver resource.\n");
9563 goto out_unset_pci_mem_s3
;
9566 /* Set up SLI-3 specific device driver resources */
9567 error
= lpfc_sli_driver_resource_setup(phba
);
9569 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9570 "1404 Failed to set up driver resource.\n");
9571 goto out_unset_pci_mem_s3
;
9574 /* Initialize and populate the iocb list per host */
9575 error
= lpfc_init_iocb_list(phba
, LPFC_IOCB_LIST_CNT
);
9577 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9578 "1405 Failed to initialize iocb list.\n");
9579 goto out_unset_driver_resource_s3
;
9582 /* Set up common device driver resources */
9583 error
= lpfc_setup_driver_resource_phase2(phba
);
9585 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9586 "1406 Failed to set up driver resource.\n");
9587 goto out_free_iocb_list
;
9590 /* Get the default values for Model Name and Description */
9591 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
9593 /* Create SCSI host to the physical port */
9594 error
= lpfc_create_shost(phba
);
9596 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9597 "1407 Failed to create scsi host.\n");
9598 goto out_unset_driver_resource
;
9601 /* Configure sysfs attributes */
9602 vport
= phba
->pport
;
9603 error
= lpfc_alloc_sysfs_attr(vport
);
9605 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9606 "1476 Failed to allocate sysfs attr\n");
9607 goto out_destroy_shost
;
9610 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
9611 /* Now, trying to enable interrupt and bring up the device */
9612 cfg_mode
= phba
->cfg_use_msi
;
9614 /* Put device to a known state before enabling interrupt */
9615 lpfc_stop_port(phba
);
9616 /* Configure and enable interrupt */
9617 intr_mode
= lpfc_sli_enable_intr(phba
, cfg_mode
);
9618 if (intr_mode
== LPFC_INTR_ERROR
) {
9619 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9620 "0431 Failed to enable interrupt.\n");
9622 goto out_free_sysfs_attr
;
9624 /* SLI-3 HBA setup */
9625 if (lpfc_sli_hba_setup(phba
)) {
9626 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9627 "1477 Failed to set up hba\n");
9629 goto out_remove_device
;
9632 /* Wait 50ms for the interrupts of previous mailbox commands */
9634 /* Check active interrupts on message signaled interrupts */
9635 if (intr_mode
== 0 ||
9636 phba
->sli
.slistat
.sli_intr
> LPFC_MSIX_VECTORS
) {
9637 /* Log the current active interrupt mode */
9638 phba
->intr_mode
= intr_mode
;
9639 lpfc_log_intr_mode(phba
, intr_mode
);
9642 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9643 "0447 Configure interrupt mode (%d) "
9644 "failed active interrupt test.\n",
9646 /* Disable the current interrupt mode */
9647 lpfc_sli_disable_intr(phba
);
9648 /* Try next level of interrupt mode */
9649 cfg_mode
= --intr_mode
;
9653 /* Perform post initialization setup */
9654 lpfc_post_init_setup(phba
);
9656 /* Check if there are static vports to be created. */
9657 lpfc_create_static_vport(phba
);
9662 lpfc_unset_hba(phba
);
9663 out_free_sysfs_attr
:
9664 lpfc_free_sysfs_attr(vport
);
9666 lpfc_destroy_shost(phba
);
9667 out_unset_driver_resource
:
9668 lpfc_unset_driver_resource_phase2(phba
);
9670 lpfc_free_iocb_list(phba
);
9671 out_unset_driver_resource_s3
:
9672 lpfc_sli_driver_resource_unset(phba
);
9673 out_unset_pci_mem_s3
:
9674 lpfc_sli_pci_mem_unset(phba
);
9675 out_disable_pci_dev
:
9676 lpfc_disable_pci_dev(phba
);
9678 scsi_host_put(shost
);
9680 lpfc_hba_free(phba
);
9685 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
9686 * @pdev: pointer to PCI device
9688 * This routine is to be called to disattach a device with SLI-3 interface
9689 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
9690 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9691 * device to be removed from the PCI subsystem properly.
9694 lpfc_pci_remove_one_s3(struct pci_dev
*pdev
)
9696 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9697 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
9698 struct lpfc_vport
**vports
;
9699 struct lpfc_hba
*phba
= vport
->phba
;
9701 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
9703 spin_lock_irq(&phba
->hbalock
);
9704 vport
->load_flag
|= FC_UNLOADING
;
9705 spin_unlock_irq(&phba
->hbalock
);
9707 lpfc_free_sysfs_attr(vport
);
9709 /* Release all the vports against this physical port */
9710 vports
= lpfc_create_vport_work_array(phba
);
9712 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
9713 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
9715 fc_vport_terminate(vports
[i
]->fc_vport
);
9717 lpfc_destroy_vport_work_array(phba
, vports
);
9719 /* Remove FC host and then SCSI host with the physical port */
9720 fc_remove_host(shost
);
9721 scsi_remove_host(shost
);
9722 lpfc_cleanup(vport
);
9725 * Bring down the SLI Layer. This step disable all interrupts,
9726 * clears the rings, discards all mailbox commands, and resets
9730 /* HBA interrupt will be disabled after this call */
9731 lpfc_sli_hba_down(phba
);
9732 /* Stop kthread signal shall trigger work_done one more time */
9733 kthread_stop(phba
->worker_thread
);
9734 /* Final cleanup of txcmplq and reset the HBA */
9735 lpfc_sli_brdrestart(phba
);
9737 kfree(phba
->vpi_bmask
);
9738 kfree(phba
->vpi_ids
);
9740 lpfc_stop_hba_timers(phba
);
9741 spin_lock_irq(&phba
->hbalock
);
9742 list_del_init(&vport
->listentry
);
9743 spin_unlock_irq(&phba
->hbalock
);
9745 lpfc_debugfs_terminate(vport
);
9747 /* Disable SR-IOV if enabled */
9748 if (phba
->cfg_sriov_nr_virtfn
)
9749 pci_disable_sriov(pdev
);
9751 /* Disable interrupt */
9752 lpfc_sli_disable_intr(phba
);
9754 scsi_host_put(shost
);
9757 * Call scsi_free before mem_free since scsi bufs are released to their
9758 * corresponding pools here.
9760 lpfc_scsi_free(phba
);
9761 lpfc_mem_free_all(phba
);
9763 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
9764 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
9766 /* Free resources associated with SLI2 interface */
9767 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
9768 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
9770 /* unmap adapter SLIM and Control Registers */
9771 iounmap(phba
->ctrl_regs_memmap_p
);
9772 iounmap(phba
->slim_memmap_p
);
9774 lpfc_hba_free(phba
);
9776 pci_release_selected_regions(pdev
, bars
);
9777 pci_disable_device(pdev
);
9781 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
9782 * @pdev: pointer to PCI device
9783 * @msg: power management message
9785 * This routine is to be called from the kernel's PCI subsystem to support
9786 * system Power Management (PM) to device with SLI-3 interface spec. When
9787 * PM invokes this method, it quiesces the device by stopping the driver's
9788 * worker thread for the device, turning off device's interrupt and DMA,
9789 * and bring the device offline. Note that as the driver implements the
9790 * minimum PM requirements to a power-aware driver's PM support for the
9791 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9792 * to the suspend() method call will be treated as SUSPEND and the driver will
9793 * fully reinitialize its device during resume() method call, the driver will
9794 * set device to PCI_D3hot state in PCI config space instead of setting it
9795 * according to the @msg provided by the PM.
9798 * 0 - driver suspended the device
9802 lpfc_pci_suspend_one_s3(struct pci_dev
*pdev
, pm_message_t msg
)
9804 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9805 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9807 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9808 "0473 PCI device Power Management suspend.\n");
9810 /* Bring down the device */
9811 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
9813 kthread_stop(phba
->worker_thread
);
9815 /* Disable interrupt from device */
9816 lpfc_sli_disable_intr(phba
);
9818 /* Save device state to PCI config space */
9819 pci_save_state(pdev
);
9820 pci_set_power_state(pdev
, PCI_D3hot
);
9826 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
9827 * @pdev: pointer to PCI device
9829 * This routine is to be called from the kernel's PCI subsystem to support
9830 * system Power Management (PM) to device with SLI-3 interface spec. When PM
9831 * invokes this method, it restores the device's PCI config space state and
9832 * fully reinitializes the device and brings it online. Note that as the
9833 * driver implements the minimum PM requirements to a power-aware driver's
9834 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
9835 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
9836 * driver will fully reinitialize its device during resume() method call,
9837 * the device will be set to PCI_D0 directly in PCI config space before
9838 * restoring the state.
9841 * 0 - driver suspended the device
9845 lpfc_pci_resume_one_s3(struct pci_dev
*pdev
)
9847 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9848 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9852 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9853 "0452 PCI device Power Management resume.\n");
9855 /* Restore device state from PCI config space */
9856 pci_set_power_state(pdev
, PCI_D0
);
9857 pci_restore_state(pdev
);
9860 * As the new kernel behavior of pci_restore_state() API call clears
9861 * device saved_state flag, need to save the restored state again.
9863 pci_save_state(pdev
);
9865 if (pdev
->is_busmaster
)
9866 pci_set_master(pdev
);
9868 /* Startup the kernel thread for this host adapter. */
9869 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
9870 "lpfc_worker_%d", phba
->brd_no
);
9871 if (IS_ERR(phba
->worker_thread
)) {
9872 error
= PTR_ERR(phba
->worker_thread
);
9873 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9874 "0434 PM resume failed to start worker "
9875 "thread: error=x%x.\n", error
);
9879 /* Configure and enable interrupt */
9880 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
9881 if (intr_mode
== LPFC_INTR_ERROR
) {
9882 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9883 "0430 PM resume Failed to enable interrupt\n");
9886 phba
->intr_mode
= intr_mode
;
9888 /* Restart HBA and bring it online */
9889 lpfc_sli_brdrestart(phba
);
9892 /* Log the current active interrupt mode */
9893 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9899 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
9900 * @phba: pointer to lpfc hba data structure.
9902 * This routine is called to prepare the SLI3 device for PCI slot recover. It
9903 * aborts all the outstanding SCSI I/Os to the pci device.
9906 lpfc_sli_prep_dev_for_recover(struct lpfc_hba
*phba
)
9908 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9909 "2723 PCI channel I/O abort preparing for recovery\n");
9912 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9913 * and let the SCSI mid-layer to retry them to recover.
9915 lpfc_sli_abort_fcp_rings(phba
);
9919 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
9920 * @phba: pointer to lpfc hba data structure.
9922 * This routine is called to prepare the SLI3 device for PCI slot reset. It
9923 * disables the device interrupt and pci device, and aborts the internal FCP
9927 lpfc_sli_prep_dev_for_reset(struct lpfc_hba
*phba
)
9929 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9930 "2710 PCI channel disable preparing for reset\n");
9932 /* Block any management I/Os to the device */
9933 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
9935 /* Block all SCSI devices' I/Os on the host */
9936 lpfc_scsi_dev_block(phba
);
9938 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9939 lpfc_sli_flush_fcp_rings(phba
);
9941 /* stop all timers */
9942 lpfc_stop_hba_timers(phba
);
9944 /* Disable interrupt and pci device */
9945 lpfc_sli_disable_intr(phba
);
9946 pci_disable_device(phba
->pcidev
);
9950 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
9951 * @phba: pointer to lpfc hba data structure.
9953 * This routine is called to prepare the SLI3 device for PCI slot permanently
9954 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9958 lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
9960 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9961 "2711 PCI channel permanent disable for failure\n");
9962 /* Block all SCSI devices' I/Os on the host */
9963 lpfc_scsi_dev_block(phba
);
9965 /* stop all timers */
9966 lpfc_stop_hba_timers(phba
);
9968 /* Clean up all driver's outstanding SCSI I/Os */
9969 lpfc_sli_flush_fcp_rings(phba
);
9973 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
9974 * @pdev: pointer to PCI device.
9975 * @state: the current PCI connection state.
9977 * This routine is called from the PCI subsystem for I/O error handling to
9978 * device with SLI-3 interface spec. This function is called by the PCI
9979 * subsystem after a PCI bus error affecting this device has been detected.
9980 * When this function is invoked, it will need to stop all the I/Os and
9981 * interrupt(s) to the device. Once that is done, it will return
9982 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
9986 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
9987 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9988 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9990 static pci_ers_result_t
9991 lpfc_io_error_detected_s3(struct pci_dev
*pdev
, pci_channel_state_t state
)
9993 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9994 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9997 case pci_channel_io_normal
:
9998 /* Non-fatal error, prepare for recovery */
9999 lpfc_sli_prep_dev_for_recover(phba
);
10000 return PCI_ERS_RESULT_CAN_RECOVER
;
10001 case pci_channel_io_frozen
:
10002 /* Fatal error, prepare for slot reset */
10003 lpfc_sli_prep_dev_for_reset(phba
);
10004 return PCI_ERS_RESULT_NEED_RESET
;
10005 case pci_channel_io_perm_failure
:
10006 /* Permanent failure, prepare for device down */
10007 lpfc_sli_prep_dev_for_perm_failure(phba
);
10008 return PCI_ERS_RESULT_DISCONNECT
;
10010 /* Unknown state, prepare and request slot reset */
10011 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10012 "0472 Unknown PCI error state: x%x\n", state
);
10013 lpfc_sli_prep_dev_for_reset(phba
);
10014 return PCI_ERS_RESULT_NEED_RESET
;
10019 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
10020 * @pdev: pointer to PCI device.
10022 * This routine is called from the PCI subsystem for error handling to
10023 * device with SLI-3 interface spec. This is called after PCI bus has been
10024 * reset to restart the PCI card from scratch, as if from a cold-boot.
10025 * During the PCI subsystem error recovery, after driver returns
10026 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
10027 * recovery and then call this routine before calling the .resume method
10028 * to recover the device. This function will initialize the HBA device,
10029 * enable the interrupt, but it will just put the HBA to offline state
10030 * without passing any I/O traffic.
10033 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10034 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10036 static pci_ers_result_t
10037 lpfc_io_slot_reset_s3(struct pci_dev
*pdev
)
10039 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10040 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10041 struct lpfc_sli
*psli
= &phba
->sli
;
10042 uint32_t intr_mode
;
10044 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
10045 if (pci_enable_device_mem(pdev
)) {
10046 printk(KERN_ERR
"lpfc: Cannot re-enable "
10047 "PCI device after reset.\n");
10048 return PCI_ERS_RESULT_DISCONNECT
;
10051 pci_restore_state(pdev
);
10054 * As the new kernel behavior of pci_restore_state() API call clears
10055 * device saved_state flag, need to save the restored state again.
10057 pci_save_state(pdev
);
10059 if (pdev
->is_busmaster
)
10060 pci_set_master(pdev
);
10062 spin_lock_irq(&phba
->hbalock
);
10063 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
10064 spin_unlock_irq(&phba
->hbalock
);
10066 /* Configure and enable interrupt */
10067 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
10068 if (intr_mode
== LPFC_INTR_ERROR
) {
10069 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10070 "0427 Cannot re-enable interrupt after "
10072 return PCI_ERS_RESULT_DISCONNECT
;
10074 phba
->intr_mode
= intr_mode
;
10076 /* Take device offline, it will perform cleanup */
10077 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
10078 lpfc_offline(phba
);
10079 lpfc_sli_brdrestart(phba
);
10081 /* Log the current active interrupt mode */
10082 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
10084 return PCI_ERS_RESULT_RECOVERED
;
10088 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
10089 * @pdev: pointer to PCI device
10091 * This routine is called from the PCI subsystem for error handling to device
10092 * with SLI-3 interface spec. It is called when kernel error recovery tells
10093 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
10094 * error recovery. After this call, traffic can start to flow from this device
10098 lpfc_io_resume_s3(struct pci_dev
*pdev
)
10100 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10101 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10103 /* Bring device online, it will be no-op for non-fatal error resume */
10106 /* Clean up Advanced Error Reporting (AER) if needed */
10107 if (phba
->hba_flag
& HBA_AER_ENABLED
)
10108 pci_cleanup_aer_uncorrect_error_status(pdev
);
10112 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
10113 * @phba: pointer to lpfc hba data structure.
10115 * returns the number of ELS/CT IOCBs to reserve
10118 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*phba
)
10120 int max_xri
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
10122 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
10123 if (max_xri
<= 100)
10125 else if (max_xri
<= 256)
10127 else if (max_xri
<= 512)
10129 else if (max_xri
<= 1024)
10131 else if (max_xri
<= 1536)
10133 else if (max_xri
<= 2048)
10142 * lpfc_write_firmware - attempt to write a firmware image to the port
10143 * @fw: pointer to firmware image returned from request_firmware.
10144 * @phba: pointer to lpfc hba data structure.
10148 lpfc_write_firmware(const struct firmware
*fw
, void *context
)
10150 struct lpfc_hba
*phba
= (struct lpfc_hba
*)context
;
10151 char fwrev
[FW_REV_STR_SIZE
];
10152 struct lpfc_grp_hdr
*image
;
10153 struct list_head dma_buffer_list
;
10155 struct lpfc_dmabuf
*dmabuf
, *next
;
10156 uint32_t offset
= 0, temp_offset
= 0;
10158 /* It can be null in no-wait mode, sanity check */
10163 image
= (struct lpfc_grp_hdr
*)fw
->data
;
10165 INIT_LIST_HEAD(&dma_buffer_list
);
10166 if ((be32_to_cpu(image
->magic_number
) != LPFC_GROUP_OJECT_MAGIC_NUM
) ||
10167 (bf_get_be32(lpfc_grp_hdr_file_type
, image
) !=
10168 LPFC_FILE_TYPE_GROUP
) ||
10169 (bf_get_be32(lpfc_grp_hdr_id
, image
) != LPFC_FILE_ID_GROUP
) ||
10170 (be32_to_cpu(image
->size
) != fw
->size
)) {
10171 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10172 "3022 Invalid FW image found. "
10173 "Magic:%x Type:%x ID:%x\n",
10174 be32_to_cpu(image
->magic_number
),
10175 bf_get_be32(lpfc_grp_hdr_file_type
, image
),
10176 bf_get_be32(lpfc_grp_hdr_id
, image
));
10180 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
10181 if (strncmp(fwrev
, image
->revision
, strnlen(image
->revision
, 16))) {
10182 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10183 "3023 Updating Firmware, Current Version:%s "
10184 "New Version:%s\n",
10185 fwrev
, image
->revision
);
10186 for (i
= 0; i
< LPFC_MBX_WR_CONFIG_MAX_BDE
; i
++) {
10187 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
),
10193 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
10197 if (!dmabuf
->virt
) {
10202 list_add_tail(&dmabuf
->list
, &dma_buffer_list
);
10204 while (offset
< fw
->size
) {
10205 temp_offset
= offset
;
10206 list_for_each_entry(dmabuf
, &dma_buffer_list
, list
) {
10207 if (temp_offset
+ SLI4_PAGE_SIZE
> fw
->size
) {
10208 memcpy(dmabuf
->virt
,
10209 fw
->data
+ temp_offset
,
10210 fw
->size
- temp_offset
);
10211 temp_offset
= fw
->size
;
10214 memcpy(dmabuf
->virt
, fw
->data
+ temp_offset
,
10216 temp_offset
+= SLI4_PAGE_SIZE
;
10218 rc
= lpfc_wr_object(phba
, &dma_buffer_list
,
10219 (fw
->size
- offset
), &offset
);
10227 list_for_each_entry_safe(dmabuf
, next
, &dma_buffer_list
, list
) {
10228 list_del(&dmabuf
->list
);
10229 dma_free_coherent(&phba
->pcidev
->dev
, SLI4_PAGE_SIZE
,
10230 dmabuf
->virt
, dmabuf
->phys
);
10233 release_firmware(fw
);
10235 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10236 "3024 Firmware update done: %d.\n", rc
);
10241 * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade
10242 * @phba: pointer to lpfc hba data structure.
10244 * This routine is called to perform Linux generic firmware upgrade on device
10245 * that supports such feature.
10248 lpfc_sli4_request_firmware_update(struct lpfc_hba
*phba
, uint8_t fw_upgrade
)
10250 uint8_t file_name
[ELX_MODEL_NAME_SIZE
];
10252 const struct firmware
*fw
;
10254 /* Only supported on SLI4 interface type 2 for now */
10255 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
10256 LPFC_SLI_INTF_IF_TYPE_2
)
10259 snprintf(file_name
, ELX_MODEL_NAME_SIZE
, "%s.grp", phba
->ModelName
);
10261 if (fw_upgrade
== INT_FW_UPGRADE
) {
10262 ret
= request_firmware_nowait(THIS_MODULE
, FW_ACTION_HOTPLUG
,
10263 file_name
, &phba
->pcidev
->dev
,
10264 GFP_KERNEL
, (void *)phba
,
10265 lpfc_write_firmware
);
10266 } else if (fw_upgrade
== RUN_FW_UPGRADE
) {
10267 ret
= request_firmware(&fw
, file_name
, &phba
->pcidev
->dev
);
10269 lpfc_write_firmware(fw
, (void *)phba
);
10278 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
10279 * @pdev: pointer to PCI device
10280 * @pid: pointer to PCI device identifier
10282 * This routine is called from the kernel's PCI subsystem to device with
10283 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
10284 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
10285 * information of the device and driver to see if the driver state that it
10286 * can support this kind of device. If the match is successful, the driver
10287 * core invokes this routine. If this routine determines it can claim the HBA,
10288 * it does all the initialization that it needs to do to handle the HBA
10292 * 0 - driver can claim the device
10293 * negative value - driver can not claim the device
10296 lpfc_pci_probe_one_s4(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
10298 struct lpfc_hba
*phba
;
10299 struct lpfc_vport
*vport
= NULL
;
10300 struct Scsi_Host
*shost
= NULL
;
10302 uint32_t cfg_mode
, intr_mode
;
10303 int adjusted_fcp_io_channel
;
10305 /* Allocate memory for HBA structure */
10306 phba
= lpfc_hba_alloc(pdev
);
10310 /* Perform generic PCI device enabling operation */
10311 error
= lpfc_enable_pci_dev(phba
);
10313 goto out_free_phba
;
10315 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
10316 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_OC
);
10318 goto out_disable_pci_dev
;
10320 /* Set up SLI-4 specific device PCI memory space */
10321 error
= lpfc_sli4_pci_mem_setup(phba
);
10323 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10324 "1410 Failed to set up pci memory space.\n");
10325 goto out_disable_pci_dev
;
10328 /* Set up phase-1 common device driver resources */
10329 error
= lpfc_setup_driver_resource_phase1(phba
);
10331 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10332 "1411 Failed to set up driver resource.\n");
10333 goto out_unset_pci_mem_s4
;
10336 /* Set up SLI-4 Specific device driver resources */
10337 error
= lpfc_sli4_driver_resource_setup(phba
);
10339 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10340 "1412 Failed to set up driver resource.\n");
10341 goto out_unset_pci_mem_s4
;
10344 /* Initialize and populate the iocb list per host */
10346 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10347 "2821 initialize iocb list %d.\n",
10348 phba
->cfg_iocb_cnt
*1024);
10349 error
= lpfc_init_iocb_list(phba
, phba
->cfg_iocb_cnt
*1024);
10352 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10353 "1413 Failed to initialize iocb list.\n");
10354 goto out_unset_driver_resource_s4
;
10357 INIT_LIST_HEAD(&phba
->active_rrq_list
);
10358 INIT_LIST_HEAD(&phba
->fcf
.fcf_pri_list
);
10360 /* Set up common device driver resources */
10361 error
= lpfc_setup_driver_resource_phase2(phba
);
10363 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10364 "1414 Failed to set up driver resource.\n");
10365 goto out_free_iocb_list
;
10368 /* Get the default values for Model Name and Description */
10369 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
10371 /* Create SCSI host to the physical port */
10372 error
= lpfc_create_shost(phba
);
10374 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10375 "1415 Failed to create scsi host.\n");
10376 goto out_unset_driver_resource
;
10379 /* Configure sysfs attributes */
10380 vport
= phba
->pport
;
10381 error
= lpfc_alloc_sysfs_attr(vport
);
10383 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10384 "1416 Failed to allocate sysfs attr\n");
10385 goto out_destroy_shost
;
10388 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
10389 /* Now, trying to enable interrupt and bring up the device */
10390 cfg_mode
= phba
->cfg_use_msi
;
10392 /* Put device to a known state before enabling interrupt */
10393 lpfc_stop_port(phba
);
10394 /* Configure and enable interrupt */
10395 intr_mode
= lpfc_sli4_enable_intr(phba
, cfg_mode
);
10396 if (intr_mode
== LPFC_INTR_ERROR
) {
10397 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10398 "0426 Failed to enable interrupt.\n");
10400 goto out_free_sysfs_attr
;
10402 /* Default to single EQ for non-MSI-X */
10403 if (phba
->intr_type
!= MSIX
)
10404 adjusted_fcp_io_channel
= 1;
10406 adjusted_fcp_io_channel
= phba
->cfg_fcp_io_channel
;
10407 phba
->cfg_fcp_io_channel
= adjusted_fcp_io_channel
;
10408 /* Set up SLI-4 HBA */
10409 if (lpfc_sli4_hba_setup(phba
)) {
10410 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10411 "1421 Failed to set up hba\n");
10413 goto out_disable_intr
;
10416 /* Log the current active interrupt mode */
10417 phba
->intr_mode
= intr_mode
;
10418 lpfc_log_intr_mode(phba
, intr_mode
);
10420 /* Perform post initialization setup */
10421 lpfc_post_init_setup(phba
);
10423 /* check for firmware upgrade or downgrade */
10424 if (phba
->cfg_request_firmware_upgrade
)
10425 lpfc_sli4_request_firmware_update(phba
, INT_FW_UPGRADE
);
10427 /* Check if there are static vports to be created. */
10428 lpfc_create_static_vport(phba
);
10432 lpfc_sli4_disable_intr(phba
);
10433 out_free_sysfs_attr
:
10434 lpfc_free_sysfs_attr(vport
);
10436 lpfc_destroy_shost(phba
);
10437 out_unset_driver_resource
:
10438 lpfc_unset_driver_resource_phase2(phba
);
10439 out_free_iocb_list
:
10440 lpfc_free_iocb_list(phba
);
10441 out_unset_driver_resource_s4
:
10442 lpfc_sli4_driver_resource_unset(phba
);
10443 out_unset_pci_mem_s4
:
10444 lpfc_sli4_pci_mem_unset(phba
);
10445 out_disable_pci_dev
:
10446 lpfc_disable_pci_dev(phba
);
10448 scsi_host_put(shost
);
10450 lpfc_hba_free(phba
);
10455 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
10456 * @pdev: pointer to PCI device
10458 * This routine is called from the kernel's PCI subsystem to device with
10459 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
10460 * removed from PCI bus, it performs all the necessary cleanup for the HBA
10461 * device to be removed from the PCI subsystem properly.
10464 lpfc_pci_remove_one_s4(struct pci_dev
*pdev
)
10466 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10467 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
10468 struct lpfc_vport
**vports
;
10469 struct lpfc_hba
*phba
= vport
->phba
;
10472 /* Mark the device unloading flag */
10473 spin_lock_irq(&phba
->hbalock
);
10474 vport
->load_flag
|= FC_UNLOADING
;
10475 spin_unlock_irq(&phba
->hbalock
);
10477 /* Free the HBA sysfs attributes */
10478 lpfc_free_sysfs_attr(vport
);
10480 /* Release all the vports against this physical port */
10481 vports
= lpfc_create_vport_work_array(phba
);
10482 if (vports
!= NULL
)
10483 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
10484 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
10486 fc_vport_terminate(vports
[i
]->fc_vport
);
10488 lpfc_destroy_vport_work_array(phba
, vports
);
10490 /* Remove FC host and then SCSI host with the physical port */
10491 fc_remove_host(shost
);
10492 scsi_remove_host(shost
);
10494 /* Perform cleanup on the physical port */
10495 lpfc_cleanup(vport
);
10498 * Bring down the SLI Layer. This step disables all interrupts,
10499 * clears the rings, discards all mailbox commands, and resets
10500 * the HBA FCoE function.
10502 lpfc_debugfs_terminate(vport
);
10503 lpfc_sli4_hba_unset(phba
);
10505 spin_lock_irq(&phba
->hbalock
);
10506 list_del_init(&vport
->listentry
);
10507 spin_unlock_irq(&phba
->hbalock
);
10509 /* Perform scsi free before driver resource_unset since scsi
10510 * buffers are released to their corresponding pools here.
10512 lpfc_scsi_free(phba
);
10514 lpfc_sli4_driver_resource_unset(phba
);
10516 /* Unmap adapter Control and Doorbell registers */
10517 lpfc_sli4_pci_mem_unset(phba
);
10519 /* Release PCI resources and disable device's PCI function */
10520 scsi_host_put(shost
);
10521 lpfc_disable_pci_dev(phba
);
10523 /* Finally, free the driver's device data structure */
10524 lpfc_hba_free(phba
);
10530 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
10531 * @pdev: pointer to PCI device
10532 * @msg: power management message
10534 * This routine is called from the kernel's PCI subsystem to support system
10535 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
10536 * this method, it quiesces the device by stopping the driver's worker
10537 * thread for the device, turning off device's interrupt and DMA, and bring
10538 * the device offline. Note that as the driver implements the minimum PM
10539 * requirements to a power-aware driver's PM support for suspend/resume -- all
10540 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
10541 * method call will be treated as SUSPEND and the driver will fully
10542 * reinitialize its device during resume() method call, the driver will set
10543 * device to PCI_D3hot state in PCI config space instead of setting it
10544 * according to the @msg provided by the PM.
10547 * 0 - driver suspended the device
10551 lpfc_pci_suspend_one_s4(struct pci_dev
*pdev
, pm_message_t msg
)
10553 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10554 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10556 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10557 "2843 PCI device Power Management suspend.\n");
10559 /* Bring down the device */
10560 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
10561 lpfc_offline(phba
);
10562 kthread_stop(phba
->worker_thread
);
10564 /* Disable interrupt from device */
10565 lpfc_sli4_disable_intr(phba
);
10566 lpfc_sli4_queue_destroy(phba
);
10568 /* Save device state to PCI config space */
10569 pci_save_state(pdev
);
10570 pci_set_power_state(pdev
, PCI_D3hot
);
10576 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
10577 * @pdev: pointer to PCI device
10579 * This routine is called from the kernel's PCI subsystem to support system
10580 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
10581 * this method, it restores the device's PCI config space state and fully
10582 * reinitializes the device and brings it online. Note that as the driver
10583 * implements the minimum PM requirements to a power-aware driver's PM for
10584 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
10585 * to the suspend() method call will be treated as SUSPEND and the driver
10586 * will fully reinitialize its device during resume() method call, the device
10587 * will be set to PCI_D0 directly in PCI config space before restoring the
10591 * 0 - driver suspended the device
10595 lpfc_pci_resume_one_s4(struct pci_dev
*pdev
)
10597 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10598 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10599 uint32_t intr_mode
;
10602 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10603 "0292 PCI device Power Management resume.\n");
10605 /* Restore device state from PCI config space */
10606 pci_set_power_state(pdev
, PCI_D0
);
10607 pci_restore_state(pdev
);
10610 * As the new kernel behavior of pci_restore_state() API call clears
10611 * device saved_state flag, need to save the restored state again.
10613 pci_save_state(pdev
);
10615 if (pdev
->is_busmaster
)
10616 pci_set_master(pdev
);
10618 /* Startup the kernel thread for this host adapter. */
10619 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
10620 "lpfc_worker_%d", phba
->brd_no
);
10621 if (IS_ERR(phba
->worker_thread
)) {
10622 error
= PTR_ERR(phba
->worker_thread
);
10623 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10624 "0293 PM resume failed to start worker "
10625 "thread: error=x%x.\n", error
);
10629 /* Configure and enable interrupt */
10630 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
10631 if (intr_mode
== LPFC_INTR_ERROR
) {
10632 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10633 "0294 PM resume Failed to enable interrupt\n");
10636 phba
->intr_mode
= intr_mode
;
10638 /* Restart HBA and bring it online */
10639 lpfc_sli_brdrestart(phba
);
10642 /* Log the current active interrupt mode */
10643 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
10649 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
10650 * @phba: pointer to lpfc hba data structure.
10652 * This routine is called to prepare the SLI4 device for PCI slot recover. It
10653 * aborts all the outstanding SCSI I/Os to the pci device.
10656 lpfc_sli4_prep_dev_for_recover(struct lpfc_hba
*phba
)
10658 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10659 "2828 PCI channel I/O abort preparing for recovery\n");
10661 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
10662 * and let the SCSI mid-layer to retry them to recover.
10664 lpfc_sli_abort_fcp_rings(phba
);
10668 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
10669 * @phba: pointer to lpfc hba data structure.
10671 * This routine is called to prepare the SLI4 device for PCI slot reset. It
10672 * disables the device interrupt and pci device, and aborts the internal FCP
10676 lpfc_sli4_prep_dev_for_reset(struct lpfc_hba
*phba
)
10678 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10679 "2826 PCI channel disable preparing for reset\n");
10681 /* Block any management I/Os to the device */
10682 lpfc_block_mgmt_io(phba
, LPFC_MBX_NO_WAIT
);
10684 /* Block all SCSI devices' I/Os on the host */
10685 lpfc_scsi_dev_block(phba
);
10687 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
10688 lpfc_sli_flush_fcp_rings(phba
);
10690 /* stop all timers */
10691 lpfc_stop_hba_timers(phba
);
10693 /* Disable interrupt and pci device */
10694 lpfc_sli4_disable_intr(phba
);
10695 lpfc_sli4_queue_destroy(phba
);
10696 pci_disable_device(phba
->pcidev
);
10700 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
10701 * @phba: pointer to lpfc hba data structure.
10703 * This routine is called to prepare the SLI4 device for PCI slot permanently
10704 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
10708 lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
10710 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10711 "2827 PCI channel permanent disable for failure\n");
10713 /* Block all SCSI devices' I/Os on the host */
10714 lpfc_scsi_dev_block(phba
);
10716 /* stop all timers */
10717 lpfc_stop_hba_timers(phba
);
10719 /* Clean up all driver's outstanding SCSI I/Os */
10720 lpfc_sli_flush_fcp_rings(phba
);
10724 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
10725 * @pdev: pointer to PCI device.
10726 * @state: the current PCI connection state.
10728 * This routine is called from the PCI subsystem for error handling to device
10729 * with SLI-4 interface spec. This function is called by the PCI subsystem
10730 * after a PCI bus error affecting this device has been detected. When this
10731 * function is invoked, it will need to stop all the I/Os and interrupt(s)
10732 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
10733 * for the PCI subsystem to perform proper recovery as desired.
10736 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10737 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10739 static pci_ers_result_t
10740 lpfc_io_error_detected_s4(struct pci_dev
*pdev
, pci_channel_state_t state
)
10742 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10743 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10746 case pci_channel_io_normal
:
10747 /* Non-fatal error, prepare for recovery */
10748 lpfc_sli4_prep_dev_for_recover(phba
);
10749 return PCI_ERS_RESULT_CAN_RECOVER
;
10750 case pci_channel_io_frozen
:
10751 /* Fatal error, prepare for slot reset */
10752 lpfc_sli4_prep_dev_for_reset(phba
);
10753 return PCI_ERS_RESULT_NEED_RESET
;
10754 case pci_channel_io_perm_failure
:
10755 /* Permanent failure, prepare for device down */
10756 lpfc_sli4_prep_dev_for_perm_failure(phba
);
10757 return PCI_ERS_RESULT_DISCONNECT
;
10759 /* Unknown state, prepare and request slot reset */
10760 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10761 "2825 Unknown PCI error state: x%x\n", state
);
10762 lpfc_sli4_prep_dev_for_reset(phba
);
10763 return PCI_ERS_RESULT_NEED_RESET
;
10768 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
10769 * @pdev: pointer to PCI device.
10771 * This routine is called from the PCI subsystem for error handling to device
10772 * with SLI-4 interface spec. It is called after PCI bus has been reset to
10773 * restart the PCI card from scratch, as if from a cold-boot. During the
10774 * PCI subsystem error recovery, after the driver returns
10775 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
10776 * recovery and then call this routine before calling the .resume method to
10777 * recover the device. This function will initialize the HBA device, enable
10778 * the interrupt, but it will just put the HBA to offline state without
10779 * passing any I/O traffic.
10782 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10783 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10785 static pci_ers_result_t
10786 lpfc_io_slot_reset_s4(struct pci_dev
*pdev
)
10788 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10789 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10790 struct lpfc_sli
*psli
= &phba
->sli
;
10791 uint32_t intr_mode
;
10793 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
10794 if (pci_enable_device_mem(pdev
)) {
10795 printk(KERN_ERR
"lpfc: Cannot re-enable "
10796 "PCI device after reset.\n");
10797 return PCI_ERS_RESULT_DISCONNECT
;
10800 pci_restore_state(pdev
);
10803 * As the new kernel behavior of pci_restore_state() API call clears
10804 * device saved_state flag, need to save the restored state again.
10806 pci_save_state(pdev
);
10808 if (pdev
->is_busmaster
)
10809 pci_set_master(pdev
);
10811 spin_lock_irq(&phba
->hbalock
);
10812 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
10813 spin_unlock_irq(&phba
->hbalock
);
10815 /* Configure and enable interrupt */
10816 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
10817 if (intr_mode
== LPFC_INTR_ERROR
) {
10818 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10819 "2824 Cannot re-enable interrupt after "
10821 return PCI_ERS_RESULT_DISCONNECT
;
10823 phba
->intr_mode
= intr_mode
;
10825 /* Log the current active interrupt mode */
10826 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
10828 return PCI_ERS_RESULT_RECOVERED
;
10832 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
10833 * @pdev: pointer to PCI device
10835 * This routine is called from the PCI subsystem for error handling to device
10836 * with SLI-4 interface spec. It is called when kernel error recovery tells
10837 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
10838 * error recovery. After this call, traffic can start to flow from this device
10842 lpfc_io_resume_s4(struct pci_dev
*pdev
)
10844 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10845 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10848 * In case of slot reset, as function reset is performed through
10849 * mailbox command which needs DMA to be enabled, this operation
10850 * has to be moved to the io resume phase. Taking device offline
10851 * will perform the necessary cleanup.
10853 if (!(phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)) {
10854 /* Perform device reset */
10855 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
10856 lpfc_offline(phba
);
10857 lpfc_sli_brdrestart(phba
);
10858 /* Bring the device back online */
10862 /* Clean up Advanced Error Reporting (AER) if needed */
10863 if (phba
->hba_flag
& HBA_AER_ENABLED
)
10864 pci_cleanup_aer_uncorrect_error_status(pdev
);
10868 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
10869 * @pdev: pointer to PCI device
10870 * @pid: pointer to PCI device identifier
10872 * This routine is to be registered to the kernel's PCI subsystem. When an
10873 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
10874 * at PCI device-specific information of the device and driver to see if the
10875 * driver state that it can support this kind of device. If the match is
10876 * successful, the driver core invokes this routine. This routine dispatches
10877 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
10878 * do all the initialization that it needs to do to handle the HBA device
10882 * 0 - driver can claim the device
10883 * negative value - driver can not claim the device
10886 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
10889 struct lpfc_sli_intf intf
;
10891 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
, &intf
.word0
))
10894 if ((bf_get(lpfc_sli_intf_valid
, &intf
) == LPFC_SLI_INTF_VALID
) &&
10895 (bf_get(lpfc_sli_intf_slirev
, &intf
) == LPFC_SLI_INTF_REV_SLI4
))
10896 rc
= lpfc_pci_probe_one_s4(pdev
, pid
);
10898 rc
= lpfc_pci_probe_one_s3(pdev
, pid
);
10904 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
10905 * @pdev: pointer to PCI device
10907 * This routine is to be registered to the kernel's PCI subsystem. When an
10908 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
10909 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
10910 * remove routine, which will perform all the necessary cleanup for the
10911 * device to be removed from the PCI subsystem properly.
10914 lpfc_pci_remove_one(struct pci_dev
*pdev
)
10916 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10917 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10919 switch (phba
->pci_dev_grp
) {
10920 case LPFC_PCI_DEV_LP
:
10921 lpfc_pci_remove_one_s3(pdev
);
10923 case LPFC_PCI_DEV_OC
:
10924 lpfc_pci_remove_one_s4(pdev
);
10927 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10928 "1424 Invalid PCI device group: 0x%x\n",
10929 phba
->pci_dev_grp
);
10936 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
10937 * @pdev: pointer to PCI device
10938 * @msg: power management message
10940 * This routine is to be registered to the kernel's PCI subsystem to support
10941 * system Power Management (PM). When PM invokes this method, it dispatches
10942 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
10943 * suspend the device.
10946 * 0 - driver suspended the device
10950 lpfc_pci_suspend_one(struct pci_dev
*pdev
, pm_message_t msg
)
10952 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10953 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10956 switch (phba
->pci_dev_grp
) {
10957 case LPFC_PCI_DEV_LP
:
10958 rc
= lpfc_pci_suspend_one_s3(pdev
, msg
);
10960 case LPFC_PCI_DEV_OC
:
10961 rc
= lpfc_pci_suspend_one_s4(pdev
, msg
);
10964 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10965 "1425 Invalid PCI device group: 0x%x\n",
10966 phba
->pci_dev_grp
);
10973 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
10974 * @pdev: pointer to PCI device
10976 * This routine is to be registered to the kernel's PCI subsystem to support
10977 * system Power Management (PM). When PM invokes this method, it dispatches
10978 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
10979 * resume the device.
10982 * 0 - driver suspended the device
10986 lpfc_pci_resume_one(struct pci_dev
*pdev
)
10988 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10989 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10992 switch (phba
->pci_dev_grp
) {
10993 case LPFC_PCI_DEV_LP
:
10994 rc
= lpfc_pci_resume_one_s3(pdev
);
10996 case LPFC_PCI_DEV_OC
:
10997 rc
= lpfc_pci_resume_one_s4(pdev
);
11000 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11001 "1426 Invalid PCI device group: 0x%x\n",
11002 phba
->pci_dev_grp
);
11009 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
11010 * @pdev: pointer to PCI device.
11011 * @state: the current PCI connection state.
11013 * This routine is registered to the PCI subsystem for error handling. This
11014 * function is called by the PCI subsystem after a PCI bus error affecting
11015 * this device has been detected. When this routine is invoked, it dispatches
11016 * the action to the proper SLI-3 or SLI-4 device error detected handling
11017 * routine, which will perform the proper error detected operation.
11020 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
11021 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
11023 static pci_ers_result_t
11024 lpfc_io_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
11026 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11027 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11028 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
11030 switch (phba
->pci_dev_grp
) {
11031 case LPFC_PCI_DEV_LP
:
11032 rc
= lpfc_io_error_detected_s3(pdev
, state
);
11034 case LPFC_PCI_DEV_OC
:
11035 rc
= lpfc_io_error_detected_s4(pdev
, state
);
11038 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11039 "1427 Invalid PCI device group: 0x%x\n",
11040 phba
->pci_dev_grp
);
11047 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
11048 * @pdev: pointer to PCI device.
11050 * This routine is registered to the PCI subsystem for error handling. This
11051 * function is called after PCI bus has been reset to restart the PCI card
11052 * from scratch, as if from a cold-boot. When this routine is invoked, it
11053 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
11054 * routine, which will perform the proper device reset.
11057 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
11058 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
11060 static pci_ers_result_t
11061 lpfc_io_slot_reset(struct pci_dev
*pdev
)
11063 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11064 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11065 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
11067 switch (phba
->pci_dev_grp
) {
11068 case LPFC_PCI_DEV_LP
:
11069 rc
= lpfc_io_slot_reset_s3(pdev
);
11071 case LPFC_PCI_DEV_OC
:
11072 rc
= lpfc_io_slot_reset_s4(pdev
);
11075 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11076 "1428 Invalid PCI device group: 0x%x\n",
11077 phba
->pci_dev_grp
);
11084 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
11085 * @pdev: pointer to PCI device
11087 * This routine is registered to the PCI subsystem for error handling. It
11088 * is called when kernel error recovery tells the lpfc driver that it is
11089 * OK to resume normal PCI operation after PCI bus error recovery. When
11090 * this routine is invoked, it dispatches the action to the proper SLI-3
11091 * or SLI-4 device io_resume routine, which will resume the device operation.
11094 lpfc_io_resume(struct pci_dev
*pdev
)
11096 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11097 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11099 switch (phba
->pci_dev_grp
) {
11100 case LPFC_PCI_DEV_LP
:
11101 lpfc_io_resume_s3(pdev
);
11103 case LPFC_PCI_DEV_OC
:
11104 lpfc_io_resume_s4(pdev
);
11107 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11108 "1429 Invalid PCI device group: 0x%x\n",
11109 phba
->pci_dev_grp
);
11116 * lpfc_sli4_oas_verify - Verify OAS is supported by this adapter
11117 * @phba: pointer to lpfc hba data structure.
11119 * This routine checks to see if OAS is supported for this adapter. If
11120 * supported, the configure Flash Optimized Fabric flag is set. Otherwise,
11121 * the enable oas flag is cleared and the pool created for OAS device data
11126 lpfc_sli4_oas_verify(struct lpfc_hba
*phba
)
11129 if (!phba
->cfg_EnableXLane
)
11132 if (phba
->sli4_hba
.pc_sli4_params
.oas_supported
) {
11136 if (phba
->device_data_mem_pool
)
11137 mempool_destroy(phba
->device_data_mem_pool
);
11138 phba
->device_data_mem_pool
= NULL
;
11145 * lpfc_fof_queue_setup - Set up all the fof queues
11146 * @phba: pointer to lpfc hba data structure.
11148 * This routine is invoked to set up all the fof queues for the FC HBA
11153 * -ENOMEM - No available memory
11156 lpfc_fof_queue_setup(struct lpfc_hba
*phba
)
11158 struct lpfc_sli
*psli
= &phba
->sli
;
11161 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.fof_eq
, LPFC_MAX_IMAX
);
11165 if (phba
->cfg_fof
) {
11167 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.oas_cq
,
11168 phba
->sli4_hba
.fof_eq
, LPFC_WCQ
, LPFC_FCP
);
11172 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.oas_wq
,
11173 phba
->sli4_hba
.oas_cq
, LPFC_FCP
);
11177 phba
->sli4_hba
.oas_cq
->pring
= &psli
->ring
[LPFC_FCP_OAS_RING
];
11178 phba
->sli4_hba
.oas_ring
= &psli
->ring
[LPFC_FCP_OAS_RING
];
11184 lpfc_cq_destroy(phba
, phba
->sli4_hba
.oas_cq
);
11186 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fof_eq
);
11192 * lpfc_fof_queue_create - Create all the fof queues
11193 * @phba: pointer to lpfc hba data structure.
11195 * This routine is invoked to allocate all the fof queues for the FC HBA
11196 * operation. For each SLI4 queue type, the parameters such as queue entry
11197 * count (queue depth) shall be taken from the module parameter. For now,
11198 * we just use some constant number as place holder.
11202 * -ENOMEM - No availble memory
11203 * -EIO - The mailbox failed to complete successfully.
11206 lpfc_fof_queue_create(struct lpfc_hba
*phba
)
11208 struct lpfc_queue
*qdesc
;
11210 /* Create FOF EQ */
11211 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
11212 phba
->sli4_hba
.eq_ecount
);
11216 phba
->sli4_hba
.fof_eq
= qdesc
;
11218 if (phba
->cfg_fof
) {
11220 /* Create OAS CQ */
11221 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
11222 phba
->sli4_hba
.cq_ecount
);
11226 phba
->sli4_hba
.oas_cq
= qdesc
;
11228 /* Create OAS WQ */
11229 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
11230 phba
->sli4_hba
.wq_ecount
);
11234 phba
->sli4_hba
.oas_wq
= qdesc
;
11240 lpfc_fof_queue_destroy(phba
);
11245 * lpfc_fof_queue_destroy - Destroy all the fof queues
11246 * @phba: pointer to lpfc hba data structure.
11248 * This routine is invoked to release all the SLI4 queues with the FC HBA
11255 lpfc_fof_queue_destroy(struct lpfc_hba
*phba
)
11257 /* Release FOF Event queue */
11258 if (phba
->sli4_hba
.fof_eq
!= NULL
) {
11259 lpfc_sli4_queue_free(phba
->sli4_hba
.fof_eq
);
11260 phba
->sli4_hba
.fof_eq
= NULL
;
11263 /* Release OAS Completion queue */
11264 if (phba
->sli4_hba
.oas_cq
!= NULL
) {
11265 lpfc_sli4_queue_free(phba
->sli4_hba
.oas_cq
);
11266 phba
->sli4_hba
.oas_cq
= NULL
;
11269 /* Release OAS Work queue */
11270 if (phba
->sli4_hba
.oas_wq
!= NULL
) {
11271 lpfc_sli4_queue_free(phba
->sli4_hba
.oas_wq
);
11272 phba
->sli4_hba
.oas_wq
= NULL
;
11277 static struct pci_device_id lpfc_id_table
[] = {
11278 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
11279 PCI_ANY_ID
, PCI_ANY_ID
, },
11280 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
11281 PCI_ANY_ID
, PCI_ANY_ID
, },
11282 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
11283 PCI_ANY_ID
, PCI_ANY_ID
, },
11284 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
11285 PCI_ANY_ID
, PCI_ANY_ID
, },
11286 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
11287 PCI_ANY_ID
, PCI_ANY_ID
, },
11288 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
11289 PCI_ANY_ID
, PCI_ANY_ID
, },
11290 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
11291 PCI_ANY_ID
, PCI_ANY_ID
, },
11292 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
11293 PCI_ANY_ID
, PCI_ANY_ID
, },
11294 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
11295 PCI_ANY_ID
, PCI_ANY_ID
, },
11296 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
11297 PCI_ANY_ID
, PCI_ANY_ID
, },
11298 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
11299 PCI_ANY_ID
, PCI_ANY_ID
, },
11300 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
11301 PCI_ANY_ID
, PCI_ANY_ID
, },
11302 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
11303 PCI_ANY_ID
, PCI_ANY_ID
, },
11304 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
11305 PCI_ANY_ID
, PCI_ANY_ID
, },
11306 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
11307 PCI_ANY_ID
, PCI_ANY_ID
, },
11308 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
11309 PCI_ANY_ID
, PCI_ANY_ID
, },
11310 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
11311 PCI_ANY_ID
, PCI_ANY_ID
, },
11312 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
11313 PCI_ANY_ID
, PCI_ANY_ID
, },
11314 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HORNET
,
11315 PCI_ANY_ID
, PCI_ANY_ID
, },
11316 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
11317 PCI_ANY_ID
, PCI_ANY_ID
, },
11318 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
11319 PCI_ANY_ID
, PCI_ANY_ID
, },
11320 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
11321 PCI_ANY_ID
, PCI_ANY_ID
, },
11322 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
11323 PCI_ANY_ID
, PCI_ANY_ID
, },
11324 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
11325 PCI_ANY_ID
, PCI_ANY_ID
, },
11326 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
11327 PCI_ANY_ID
, PCI_ANY_ID
, },
11328 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
11329 PCI_ANY_ID
, PCI_ANY_ID
, },
11330 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
11331 PCI_ANY_ID
, PCI_ANY_ID
, },
11332 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
11333 PCI_ANY_ID
, PCI_ANY_ID
, },
11334 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT
,
11335 PCI_ANY_ID
, PCI_ANY_ID
, },
11336 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_MID
,
11337 PCI_ANY_ID
, PCI_ANY_ID
, },
11338 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SMB
,
11339 PCI_ANY_ID
, PCI_ANY_ID
, },
11340 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_DCSP
,
11341 PCI_ANY_ID
, PCI_ANY_ID
, },
11342 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SCSP
,
11343 PCI_ANY_ID
, PCI_ANY_ID
, },
11344 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_S
,
11345 PCI_ANY_ID
, PCI_ANY_ID
, },
11346 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_VF
,
11347 PCI_ANY_ID
, PCI_ANY_ID
, },
11348 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_PF
,
11349 PCI_ANY_ID
, PCI_ANY_ID
, },
11350 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_S
,
11351 PCI_ANY_ID
, PCI_ANY_ID
, },
11352 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TIGERSHARK
,
11353 PCI_ANY_ID
, PCI_ANY_ID
, },
11354 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TOMCAT
,
11355 PCI_ANY_ID
, PCI_ANY_ID
, },
11356 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FALCON
,
11357 PCI_ANY_ID
, PCI_ANY_ID
, },
11358 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BALIUS
,
11359 PCI_ANY_ID
, PCI_ANY_ID
, },
11360 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC
,
11361 PCI_ANY_ID
, PCI_ANY_ID
, },
11362 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE
,
11363 PCI_ANY_ID
, PCI_ANY_ID
, },
11364 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC_VF
,
11365 PCI_ANY_ID
, PCI_ANY_ID
, },
11366 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE_VF
,
11367 PCI_ANY_ID
, PCI_ANY_ID
, },
11368 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_G6_FC
,
11369 PCI_ANY_ID
, PCI_ANY_ID
, },
11370 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SKYHAWK
,
11371 PCI_ANY_ID
, PCI_ANY_ID
, },
11372 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SKYHAWK_VF
,
11373 PCI_ANY_ID
, PCI_ANY_ID
, },
11377 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
11379 static const struct pci_error_handlers lpfc_err_handler
= {
11380 .error_detected
= lpfc_io_error_detected
,
11381 .slot_reset
= lpfc_io_slot_reset
,
11382 .resume
= lpfc_io_resume
,
11385 static struct pci_driver lpfc_driver
= {
11386 .name
= LPFC_DRIVER_NAME
,
11387 .id_table
= lpfc_id_table
,
11388 .probe
= lpfc_pci_probe_one
,
11389 .remove
= lpfc_pci_remove_one
,
11390 .shutdown
= lpfc_pci_remove_one
,
11391 .suspend
= lpfc_pci_suspend_one
,
11392 .resume
= lpfc_pci_resume_one
,
11393 .err_handler
= &lpfc_err_handler
,
11396 static const struct file_operations lpfc_mgmt_fop
= {
11397 .owner
= THIS_MODULE
,
11400 static struct miscdevice lpfc_mgmt_dev
= {
11401 .minor
= MISC_DYNAMIC_MINOR
,
11402 .name
= "lpfcmgmt",
11403 .fops
= &lpfc_mgmt_fop
,
11407 * lpfc_init - lpfc module initialization routine
11409 * This routine is to be invoked when the lpfc module is loaded into the
11410 * kernel. The special kernel macro module_init() is used to indicate the
11411 * role of this routine to the kernel as lpfc module entry point.
11415 * -ENOMEM - FC attach transport failed
11416 * all others - failed
11424 printk(LPFC_MODULE_DESC
"\n");
11425 printk(LPFC_COPYRIGHT
"\n");
11427 error
= misc_register(&lpfc_mgmt_dev
);
11429 printk(KERN_ERR
"Could not register lpfcmgmt device, "
11430 "misc_register returned with status %d", error
);
11432 if (lpfc_enable_npiv
) {
11433 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
11434 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
11436 lpfc_transport_template
=
11437 fc_attach_transport(&lpfc_transport_functions
);
11438 if (lpfc_transport_template
== NULL
)
11440 if (lpfc_enable_npiv
) {
11441 lpfc_vport_transport_template
=
11442 fc_attach_transport(&lpfc_vport_transport_functions
);
11443 if (lpfc_vport_transport_template
== NULL
) {
11444 fc_release_transport(lpfc_transport_template
);
11449 /* Initialize in case vector mapping is needed */
11450 lpfc_used_cpu
= NULL
;
11451 lpfc_present_cpu
= 0;
11452 for_each_present_cpu(cpu
)
11453 lpfc_present_cpu
++;
11455 error
= pci_register_driver(&lpfc_driver
);
11457 fc_release_transport(lpfc_transport_template
);
11458 if (lpfc_enable_npiv
)
11459 fc_release_transport(lpfc_vport_transport_template
);
11466 * lpfc_exit - lpfc module removal routine
11468 * This routine is invoked when the lpfc module is removed from the kernel.
11469 * The special kernel macro module_exit() is used to indicate the role of
11470 * this routine to the kernel as lpfc module exit point.
11475 misc_deregister(&lpfc_mgmt_dev
);
11476 pci_unregister_driver(&lpfc_driver
);
11477 fc_release_transport(lpfc_transport_template
);
11478 if (lpfc_enable_npiv
)
11479 fc_release_transport(lpfc_vport_transport_template
);
11480 if (_dump_buf_data
) {
11481 printk(KERN_ERR
"9062 BLKGRD: freeing %lu pages for "
11482 "_dump_buf_data at 0x%p\n",
11483 (1L << _dump_buf_data_order
), _dump_buf_data
);
11484 free_pages((unsigned long)_dump_buf_data
, _dump_buf_data_order
);
11487 if (_dump_buf_dif
) {
11488 printk(KERN_ERR
"9049 BLKGRD: freeing %lu pages for "
11489 "_dump_buf_dif at 0x%p\n",
11490 (1L << _dump_buf_dif_order
), _dump_buf_dif
);
11491 free_pages((unsigned long)_dump_buf_dif
, _dump_buf_dif_order
);
11493 kfree(lpfc_used_cpu
);
11494 idr_destroy(&lpfc_hba_index
);
11497 module_init(lpfc_init
);
11498 module_exit(lpfc_exit
);
11499 MODULE_LICENSE("GPL");
11500 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
11501 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
11502 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);