1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2016 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_fdmi_num_disc_check(vports
[i
]);
1191 lpfc_destroy_vport_work_array(phba
, vports
);
1193 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
1194 (phba
->pport
->load_flag
& FC_UNLOADING
) ||
1195 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
1198 spin_lock_irq(&phba
->pport
->work_port_lock
);
1200 if (time_after(phba
->last_completion_time
+
1201 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
),
1203 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1204 if (!phba
->hb_outstanding
)
1205 mod_timer(&phba
->hb_tmofunc
,
1207 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
1209 mod_timer(&phba
->hb_tmofunc
,
1211 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1214 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1216 if (phba
->elsbuf_cnt
&&
1217 (phba
->elsbuf_cnt
== phba
->elsbuf_prev_cnt
)) {
1218 spin_lock_irq(&phba
->hbalock
);
1219 list_splice_init(&phba
->elsbuf
, &completions
);
1220 phba
->elsbuf_cnt
= 0;
1221 phba
->elsbuf_prev_cnt
= 0;
1222 spin_unlock_irq(&phba
->hbalock
);
1224 while (!list_empty(&completions
)) {
1225 list_remove_head(&completions
, buf_ptr
,
1226 struct lpfc_dmabuf
, list
);
1227 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
1231 phba
->elsbuf_prev_cnt
= phba
->elsbuf_cnt
;
1233 /* If there is no heart beat outstanding, issue a heartbeat command */
1234 if (phba
->cfg_enable_hba_heartbeat
) {
1235 if (!phba
->hb_outstanding
) {
1236 if ((!(psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
)) &&
1237 (list_empty(&psli
->mboxq
))) {
1238 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,
1241 mod_timer(&phba
->hb_tmofunc
,
1243 msecs_to_jiffies(1000 *
1244 LPFC_HB_MBOX_INTERVAL
));
1248 lpfc_heart_beat(phba
, pmboxq
);
1249 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
1250 pmboxq
->vport
= phba
->pport
;
1251 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
,
1254 if (retval
!= MBX_BUSY
&&
1255 retval
!= MBX_SUCCESS
) {
1256 mempool_free(pmboxq
,
1257 phba
->mbox_mem_pool
);
1258 mod_timer(&phba
->hb_tmofunc
,
1260 msecs_to_jiffies(1000 *
1261 LPFC_HB_MBOX_INTERVAL
));
1264 phba
->skipped_hb
= 0;
1265 phba
->hb_outstanding
= 1;
1266 } else if (time_before_eq(phba
->last_completion_time
,
1267 phba
->skipped_hb
)) {
1268 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1269 "2857 Last completion time not "
1270 " updated in %d ms\n",
1271 jiffies_to_msecs(jiffies
1272 - phba
->last_completion_time
));
1274 phba
->skipped_hb
= jiffies
;
1276 mod_timer(&phba
->hb_tmofunc
,
1278 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1282 * If heart beat timeout called with hb_outstanding set
1283 * we need to give the hb mailbox cmd a chance to
1286 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1287 "0459 Adapter heartbeat still out"
1288 "standing:last compl time was %d ms.\n",
1289 jiffies_to_msecs(jiffies
1290 - phba
->last_completion_time
));
1291 mod_timer(&phba
->hb_tmofunc
,
1293 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1296 mod_timer(&phba
->hb_tmofunc
,
1298 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
1303 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
1304 * @phba: pointer to lpfc hba data structure.
1306 * This routine is called to bring the HBA offline when HBA hardware error
1307 * other than Port Error 6 has been detected.
1310 lpfc_offline_eratt(struct lpfc_hba
*phba
)
1312 struct lpfc_sli
*psli
= &phba
->sli
;
1314 spin_lock_irq(&phba
->hbalock
);
1315 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1316 spin_unlock_irq(&phba
->hbalock
);
1317 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1320 lpfc_reset_barrier(phba
);
1321 spin_lock_irq(&phba
->hbalock
);
1322 lpfc_sli_brdreset(phba
);
1323 spin_unlock_irq(&phba
->hbalock
);
1324 lpfc_hba_down_post(phba
);
1325 lpfc_sli_brdready(phba
, HS_MBRDY
);
1326 lpfc_unblock_mgmt_io(phba
);
1327 phba
->link_state
= LPFC_HBA_ERROR
;
1332 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1333 * @phba: pointer to lpfc hba data structure.
1335 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1336 * other than Port Error 6 has been detected.
1339 lpfc_sli4_offline_eratt(struct lpfc_hba
*phba
)
1341 spin_lock_irq(&phba
->hbalock
);
1342 phba
->link_state
= LPFC_HBA_ERROR
;
1343 spin_unlock_irq(&phba
->hbalock
);
1345 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1347 lpfc_hba_down_post(phba
);
1348 lpfc_unblock_mgmt_io(phba
);
1352 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1353 * @phba: pointer to lpfc hba data structure.
1355 * This routine is invoked to handle the deferred HBA hardware error
1356 * conditions. This type of error is indicated by HBA by setting ER1
1357 * and another ER bit in the host status register. The driver will
1358 * wait until the ER1 bit clears before handling the error condition.
1361 lpfc_handle_deferred_eratt(struct lpfc_hba
*phba
)
1363 uint32_t old_host_status
= phba
->work_hs
;
1364 struct lpfc_sli
*psli
= &phba
->sli
;
1366 /* If the pci channel is offline, ignore possible errors,
1367 * since we cannot communicate with the pci card anyway.
1369 if (pci_channel_offline(phba
->pcidev
)) {
1370 spin_lock_irq(&phba
->hbalock
);
1371 phba
->hba_flag
&= ~DEFER_ERATT
;
1372 spin_unlock_irq(&phba
->hbalock
);
1376 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1377 "0479 Deferred Adapter Hardware Error "
1378 "Data: x%x x%x x%x\n",
1380 phba
->work_status
[0], phba
->work_status
[1]);
1382 spin_lock_irq(&phba
->hbalock
);
1383 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1384 spin_unlock_irq(&phba
->hbalock
);
1388 * Firmware stops when it triggred erratt. That could cause the I/Os
1389 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1390 * SCSI layer retry it after re-establishing link.
1392 lpfc_sli_abort_fcp_rings(phba
);
1395 * There was a firmware error. Take the hba offline and then
1396 * attempt to restart it.
1398 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
1401 /* Wait for the ER1 bit to clear.*/
1402 while (phba
->work_hs
& HS_FFER1
) {
1404 if (lpfc_readl(phba
->HSregaddr
, &phba
->work_hs
)) {
1405 phba
->work_hs
= UNPLUG_ERR
;
1408 /* If driver is unloading let the worker thread continue */
1409 if (phba
->pport
->load_flag
& FC_UNLOADING
) {
1416 * This is to ptrotect against a race condition in which
1417 * first write to the host attention register clear the
1418 * host status register.
1420 if ((!phba
->work_hs
) && (!(phba
->pport
->load_flag
& FC_UNLOADING
)))
1421 phba
->work_hs
= old_host_status
& ~HS_FFER1
;
1423 spin_lock_irq(&phba
->hbalock
);
1424 phba
->hba_flag
&= ~DEFER_ERATT
;
1425 spin_unlock_irq(&phba
->hbalock
);
1426 phba
->work_status
[0] = readl(phba
->MBslimaddr
+ 0xa8);
1427 phba
->work_status
[1] = readl(phba
->MBslimaddr
+ 0xac);
1431 lpfc_board_errevt_to_mgmt(struct lpfc_hba
*phba
)
1433 struct lpfc_board_event_header board_event
;
1434 struct Scsi_Host
*shost
;
1436 board_event
.event_type
= FC_REG_BOARD_EVENT
;
1437 board_event
.subcategory
= LPFC_EVENT_PORTINTERR
;
1438 shost
= lpfc_shost_from_vport(phba
->pport
);
1439 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1440 sizeof(board_event
),
1441 (char *) &board_event
,
1446 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
1447 * @phba: pointer to lpfc hba data structure.
1449 * This routine is invoked to handle the following HBA hardware error
1451 * 1 - HBA error attention interrupt
1452 * 2 - DMA ring index out of range
1453 * 3 - Mailbox command came back as unknown
1456 lpfc_handle_eratt_s3(struct lpfc_hba
*phba
)
1458 struct lpfc_vport
*vport
= phba
->pport
;
1459 struct lpfc_sli
*psli
= &phba
->sli
;
1460 uint32_t event_data
;
1461 unsigned long temperature
;
1462 struct temp_event temp_event_data
;
1463 struct Scsi_Host
*shost
;
1465 /* If the pci channel is offline, ignore possible errors,
1466 * since we cannot communicate with the pci card anyway.
1468 if (pci_channel_offline(phba
->pcidev
)) {
1469 spin_lock_irq(&phba
->hbalock
);
1470 phba
->hba_flag
&= ~DEFER_ERATT
;
1471 spin_unlock_irq(&phba
->hbalock
);
1475 /* If resets are disabled then leave the HBA alone and return */
1476 if (!phba
->cfg_enable_hba_reset
)
1479 /* Send an internal error event to mgmt application */
1480 lpfc_board_errevt_to_mgmt(phba
);
1482 if (phba
->hba_flag
& DEFER_ERATT
)
1483 lpfc_handle_deferred_eratt(phba
);
1485 if ((phba
->work_hs
& HS_FFER6
) || (phba
->work_hs
& HS_FFER8
)) {
1486 if (phba
->work_hs
& HS_FFER6
)
1487 /* Re-establishing Link */
1488 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1489 "1301 Re-establishing Link "
1490 "Data: x%x x%x x%x\n",
1491 phba
->work_hs
, phba
->work_status
[0],
1492 phba
->work_status
[1]);
1493 if (phba
->work_hs
& HS_FFER8
)
1494 /* Device Zeroization */
1495 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1496 "2861 Host Authentication device "
1497 "zeroization Data:x%x x%x x%x\n",
1498 phba
->work_hs
, phba
->work_status
[0],
1499 phba
->work_status
[1]);
1501 spin_lock_irq(&phba
->hbalock
);
1502 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1503 spin_unlock_irq(&phba
->hbalock
);
1506 * Firmware stops when it triggled erratt with HS_FFER6.
1507 * That could cause the I/Os dropped by the firmware.
1508 * Error iocb (I/O) on txcmplq and let the SCSI layer
1509 * retry it after re-establishing link.
1511 lpfc_sli_abort_fcp_rings(phba
);
1514 * There was a firmware error. Take the hba offline and then
1515 * attempt to restart it.
1517 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1519 lpfc_sli_brdrestart(phba
);
1520 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
1521 lpfc_unblock_mgmt_io(phba
);
1524 lpfc_unblock_mgmt_io(phba
);
1525 } else if (phba
->work_hs
& HS_CRIT_TEMP
) {
1526 temperature
= readl(phba
->MBslimaddr
+ TEMPERATURE_OFFSET
);
1527 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1528 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1529 temp_event_data
.data
= (uint32_t)temperature
;
1531 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1532 "0406 Adapter maximum temperature exceeded "
1533 "(%ld), taking this port offline "
1534 "Data: x%x x%x x%x\n",
1535 temperature
, phba
->work_hs
,
1536 phba
->work_status
[0], phba
->work_status
[1]);
1538 shost
= lpfc_shost_from_vport(phba
->pport
);
1539 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1540 sizeof(temp_event_data
),
1541 (char *) &temp_event_data
,
1542 SCSI_NL_VID_TYPE_PCI
1543 | PCI_VENDOR_ID_EMULEX
);
1545 spin_lock_irq(&phba
->hbalock
);
1546 phba
->over_temp_state
= HBA_OVER_TEMP
;
1547 spin_unlock_irq(&phba
->hbalock
);
1548 lpfc_offline_eratt(phba
);
1551 /* The if clause above forces this code path when the status
1552 * failure is a value other than FFER6. Do not call the offline
1553 * twice. This is the adapter hardware error path.
1555 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1556 "0457 Adapter Hardware Error "
1557 "Data: x%x x%x x%x\n",
1559 phba
->work_status
[0], phba
->work_status
[1]);
1561 event_data
= FC_REG_DUMP_EVENT
;
1562 shost
= lpfc_shost_from_vport(vport
);
1563 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1564 sizeof(event_data
), (char *) &event_data
,
1565 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1567 lpfc_offline_eratt(phba
);
1573 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
1574 * @phba: pointer to lpfc hba data structure.
1575 * @mbx_action: flag for mailbox shutdown action.
1577 * This routine is invoked to perform an SLI4 port PCI function reset in
1578 * response to port status register polling attention. It waits for port
1579 * status register (ERR, RDY, RN) bits before proceeding with function reset.
1580 * During this process, interrupt vectors are freed and later requested
1581 * for handling possible port resource change.
1584 lpfc_sli4_port_sta_fn_reset(struct lpfc_hba
*phba
, int mbx_action
,
1591 * On error status condition, driver need to wait for port
1592 * ready before performing reset.
1594 rc
= lpfc_sli4_pdev_status_reg_wait(phba
);
1596 /* need reset: attempt for port recovery */
1598 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1599 "2887 Reset Needed: Attempting Port "
1601 lpfc_offline_prep(phba
, mbx_action
);
1603 /* release interrupt for possible resource change */
1604 lpfc_sli4_disable_intr(phba
);
1605 lpfc_sli_brdrestart(phba
);
1606 /* request and enable interrupt */
1607 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
1608 if (intr_mode
== LPFC_INTR_ERROR
) {
1609 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1610 "3175 Failed to enable interrupt\n");
1613 phba
->intr_mode
= intr_mode
;
1615 rc
= lpfc_online(phba
);
1617 lpfc_unblock_mgmt_io(phba
);
1623 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1624 * @phba: pointer to lpfc hba data structure.
1626 * This routine is invoked to handle the SLI4 HBA hardware error attention
1630 lpfc_handle_eratt_s4(struct lpfc_hba
*phba
)
1632 struct lpfc_vport
*vport
= phba
->pport
;
1633 uint32_t event_data
;
1634 struct Scsi_Host
*shost
;
1636 struct lpfc_register portstat_reg
= {0};
1637 uint32_t reg_err1
, reg_err2
;
1638 uint32_t uerrlo_reg
, uemasklo_reg
;
1639 uint32_t pci_rd_rc1
, pci_rd_rc2
;
1640 bool en_rn_msg
= true;
1641 struct temp_event temp_event_data
;
1644 /* If the pci channel is offline, ignore possible errors, since
1645 * we cannot communicate with the pci card anyway.
1647 if (pci_channel_offline(phba
->pcidev
))
1650 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
1652 case LPFC_SLI_INTF_IF_TYPE_0
:
1653 pci_rd_rc1
= lpfc_readl(
1654 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
,
1656 pci_rd_rc2
= lpfc_readl(
1657 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
,
1659 /* consider PCI bus read error as pci_channel_offline */
1660 if (pci_rd_rc1
== -EIO
&& pci_rd_rc2
== -EIO
)
1662 lpfc_sli4_offline_eratt(phba
);
1665 case LPFC_SLI_INTF_IF_TYPE_2
:
1666 pci_rd_rc1
= lpfc_readl(
1667 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
1668 &portstat_reg
.word0
);
1669 /* consider PCI bus read error as pci_channel_offline */
1670 if (pci_rd_rc1
== -EIO
) {
1671 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1672 "3151 PCI bus read access failure: x%x\n",
1673 readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
));
1676 reg_err1
= readl(phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
1677 reg_err2
= readl(phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
1678 if (bf_get(lpfc_sliport_status_oti
, &portstat_reg
)) {
1679 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1680 "2889 Port Overtemperature event, "
1681 "taking port offline Data: x%x x%x\n",
1682 reg_err1
, reg_err2
);
1684 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1685 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1686 temp_event_data
.data
= 0xFFFFFFFF;
1688 shost
= lpfc_shost_from_vport(phba
->pport
);
1689 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1690 sizeof(temp_event_data
),
1691 (char *)&temp_event_data
,
1692 SCSI_NL_VID_TYPE_PCI
1693 | PCI_VENDOR_ID_EMULEX
);
1695 spin_lock_irq(&phba
->hbalock
);
1696 phba
->over_temp_state
= HBA_OVER_TEMP
;
1697 spin_unlock_irq(&phba
->hbalock
);
1698 lpfc_sli4_offline_eratt(phba
);
1701 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1702 reg_err2
== SLIPORT_ERR2_REG_FW_RESTART
) {
1703 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1704 "3143 Port Down: Firmware Update "
1707 } else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1708 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1709 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1710 "3144 Port Down: Debug Dump\n");
1711 else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1712 reg_err2
== SLIPORT_ERR2_REG_FUNC_PROVISON
)
1713 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1714 "3145 Port Down: Provisioning\n");
1716 /* If resets are disabled then leave the HBA alone and return */
1717 if (!phba
->cfg_enable_hba_reset
)
1720 /* Check port status register for function reset */
1721 rc
= lpfc_sli4_port_sta_fn_reset(phba
, LPFC_MBX_NO_WAIT
,
1724 /* don't report event on forced debug dump */
1725 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1726 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1731 /* fall through for not able to recover */
1732 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1733 "3152 Unrecoverable error, bring the port "
1735 lpfc_sli4_offline_eratt(phba
);
1737 case LPFC_SLI_INTF_IF_TYPE_1
:
1741 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1742 "3123 Report dump event to upper layer\n");
1743 /* Send an internal error event to mgmt application */
1744 lpfc_board_errevt_to_mgmt(phba
);
1746 event_data
= FC_REG_DUMP_EVENT
;
1747 shost
= lpfc_shost_from_vport(vport
);
1748 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1749 sizeof(event_data
), (char *) &event_data
,
1750 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1754 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1755 * @phba: pointer to lpfc HBA data structure.
1757 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1758 * routine from the API jump table function pointer from the lpfc_hba struct.
1762 * Any other value - error.
1765 lpfc_handle_eratt(struct lpfc_hba
*phba
)
1767 (*phba
->lpfc_handle_eratt
)(phba
);
1771 * lpfc_handle_latt - The HBA link event handler
1772 * @phba: pointer to lpfc hba data structure.
1774 * This routine is invoked from the worker thread to handle a HBA host
1775 * attention link event.
1778 lpfc_handle_latt(struct lpfc_hba
*phba
)
1780 struct lpfc_vport
*vport
= phba
->pport
;
1781 struct lpfc_sli
*psli
= &phba
->sli
;
1783 volatile uint32_t control
;
1784 struct lpfc_dmabuf
*mp
;
1787 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1790 goto lpfc_handle_latt_err_exit
;
1793 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
1796 goto lpfc_handle_latt_free_pmb
;
1799 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
1802 goto lpfc_handle_latt_free_mp
;
1805 /* Cleanup any outstanding ELS commands */
1806 lpfc_els_flush_all_cmd(phba
);
1808 psli
->slistat
.link_event
++;
1809 lpfc_read_topology(phba
, pmb
, mp
);
1810 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
1812 /* Block ELS IOCBs until we have processed this mbox command */
1813 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
1814 rc
= lpfc_sli_issue_mbox (phba
, pmb
, MBX_NOWAIT
);
1815 if (rc
== MBX_NOT_FINISHED
) {
1817 goto lpfc_handle_latt_free_mbuf
;
1820 /* Clear Link Attention in HA REG */
1821 spin_lock_irq(&phba
->hbalock
);
1822 writel(HA_LATT
, phba
->HAregaddr
);
1823 readl(phba
->HAregaddr
); /* flush */
1824 spin_unlock_irq(&phba
->hbalock
);
1828 lpfc_handle_latt_free_mbuf
:
1829 phba
->sli
.ring
[LPFC_ELS_RING
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
1830 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1831 lpfc_handle_latt_free_mp
:
1833 lpfc_handle_latt_free_pmb
:
1834 mempool_free(pmb
, phba
->mbox_mem_pool
);
1835 lpfc_handle_latt_err_exit
:
1836 /* Enable Link attention interrupts */
1837 spin_lock_irq(&phba
->hbalock
);
1838 psli
->sli_flag
|= LPFC_PROCESS_LA
;
1839 control
= readl(phba
->HCregaddr
);
1840 control
|= HC_LAINT_ENA
;
1841 writel(control
, phba
->HCregaddr
);
1842 readl(phba
->HCregaddr
); /* flush */
1844 /* Clear Link Attention in HA REG */
1845 writel(HA_LATT
, phba
->HAregaddr
);
1846 readl(phba
->HAregaddr
); /* flush */
1847 spin_unlock_irq(&phba
->hbalock
);
1848 lpfc_linkdown(phba
);
1849 phba
->link_state
= LPFC_HBA_ERROR
;
1851 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1852 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc
);
1858 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
1859 * @phba: pointer to lpfc hba data structure.
1860 * @vpd: pointer to the vital product data.
1861 * @len: length of the vital product data in bytes.
1863 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1864 * an array of characters. In this routine, the ModelName, ProgramType, and
1865 * ModelDesc, etc. fields of the phba data structure will be populated.
1868 * 0 - pointer to the VPD passed in is NULL
1872 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
1874 uint8_t lenlo
, lenhi
;
1884 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1885 "0455 Vital Product Data: x%x x%x x%x x%x\n",
1886 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
1888 while (!finished
&& (index
< (len
- 4))) {
1889 switch (vpd
[index
]) {
1897 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1906 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1907 if (Length
> len
- index
)
1908 Length
= len
- index
;
1909 while (Length
> 0) {
1910 /* Look for Serial Number */
1911 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
1918 phba
->SerialNumber
[j
++] = vpd
[index
++];
1922 phba
->SerialNumber
[j
] = 0;
1925 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
1926 phba
->vpd_flag
|= VPD_MODEL_DESC
;
1933 phba
->ModelDesc
[j
++] = vpd
[index
++];
1937 phba
->ModelDesc
[j
] = 0;
1940 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
1941 phba
->vpd_flag
|= VPD_MODEL_NAME
;
1948 phba
->ModelName
[j
++] = vpd
[index
++];
1952 phba
->ModelName
[j
] = 0;
1955 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
1956 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
1963 phba
->ProgramType
[j
++] = vpd
[index
++];
1967 phba
->ProgramType
[j
] = 0;
1970 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
1971 phba
->vpd_flag
|= VPD_PORT
;
1978 if ((phba
->sli_rev
== LPFC_SLI_REV4
) &&
1979 (phba
->sli4_hba
.pport_name_sta
==
1980 LPFC_SLI4_PPNAME_GET
)) {
1984 phba
->Port
[j
++] = vpd
[index
++];
1988 if ((phba
->sli_rev
!= LPFC_SLI_REV4
) ||
1989 (phba
->sli4_hba
.pport_name_sta
==
1990 LPFC_SLI4_PPNAME_NON
))
2017 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
2018 * @phba: pointer to lpfc hba data structure.
2019 * @mdp: pointer to the data structure to hold the derived model name.
2020 * @descp: pointer to the data structure to hold the derived description.
2022 * This routine retrieves HBA's description based on its registered PCI device
2023 * ID. The @descp passed into this function points to an array of 256 chars. It
2024 * shall be returned with the model name, maximum speed, and the host bus type.
2025 * The @mdp passed into this function points to an array of 80 chars. When the
2026 * function returns, the @mdp will be filled with the model name.
2029 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
2032 uint16_t dev_id
= phba
->pcidev
->device
;
2035 int oneConnect
= 0; /* default is not a oneConnect */
2040 } m
= {"<Unknown>", "", ""};
2042 if (mdp
&& mdp
[0] != '\0'
2043 && descp
&& descp
[0] != '\0')
2046 if (phba
->lmt
& LMT_32Gb
)
2048 else if (phba
->lmt
& LMT_16Gb
)
2050 else if (phba
->lmt
& LMT_10Gb
)
2052 else if (phba
->lmt
& LMT_8Gb
)
2054 else if (phba
->lmt
& LMT_4Gb
)
2056 else if (phba
->lmt
& LMT_2Gb
)
2058 else if (phba
->lmt
& LMT_1Gb
)
2066 case PCI_DEVICE_ID_FIREFLY
:
2067 m
= (typeof(m
)){"LP6000", "PCI",
2068 "Obsolete, Unsupported Fibre Channel Adapter"};
2070 case PCI_DEVICE_ID_SUPERFLY
:
2071 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
2072 m
= (typeof(m
)){"LP7000", "PCI", ""};
2074 m
= (typeof(m
)){"LP7000E", "PCI", ""};
2075 m
.function
= "Obsolete, Unsupported Fibre Channel Adapter";
2077 case PCI_DEVICE_ID_DRAGONFLY
:
2078 m
= (typeof(m
)){"LP8000", "PCI",
2079 "Obsolete, Unsupported Fibre Channel Adapter"};
2081 case PCI_DEVICE_ID_CENTAUR
:
2082 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
2083 m
= (typeof(m
)){"LP9002", "PCI", ""};
2085 m
= (typeof(m
)){"LP9000", "PCI", ""};
2086 m
.function
= "Obsolete, Unsupported Fibre Channel Adapter";
2088 case PCI_DEVICE_ID_RFLY
:
2089 m
= (typeof(m
)){"LP952", "PCI",
2090 "Obsolete, Unsupported Fibre Channel Adapter"};
2092 case PCI_DEVICE_ID_PEGASUS
:
2093 m
= (typeof(m
)){"LP9802", "PCI-X",
2094 "Obsolete, Unsupported Fibre Channel Adapter"};
2096 case PCI_DEVICE_ID_THOR
:
2097 m
= (typeof(m
)){"LP10000", "PCI-X",
2098 "Obsolete, Unsupported Fibre Channel Adapter"};
2100 case PCI_DEVICE_ID_VIPER
:
2101 m
= (typeof(m
)){"LPX1000", "PCI-X",
2102 "Obsolete, Unsupported Fibre Channel Adapter"};
2104 case PCI_DEVICE_ID_PFLY
:
2105 m
= (typeof(m
)){"LP982", "PCI-X",
2106 "Obsolete, Unsupported Fibre Channel Adapter"};
2108 case PCI_DEVICE_ID_TFLY
:
2109 m
= (typeof(m
)){"LP1050", "PCI-X",
2110 "Obsolete, Unsupported Fibre Channel Adapter"};
2112 case PCI_DEVICE_ID_HELIOS
:
2113 m
= (typeof(m
)){"LP11000", "PCI-X2",
2114 "Obsolete, Unsupported Fibre Channel Adapter"};
2116 case PCI_DEVICE_ID_HELIOS_SCSP
:
2117 m
= (typeof(m
)){"LP11000-SP", "PCI-X2",
2118 "Obsolete, Unsupported Fibre Channel Adapter"};
2120 case PCI_DEVICE_ID_HELIOS_DCSP
:
2121 m
= (typeof(m
)){"LP11002-SP", "PCI-X2",
2122 "Obsolete, Unsupported Fibre Channel Adapter"};
2124 case PCI_DEVICE_ID_NEPTUNE
:
2125 m
= (typeof(m
)){"LPe1000", "PCIe",
2126 "Obsolete, Unsupported Fibre Channel Adapter"};
2128 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
2129 m
= (typeof(m
)){"LPe1000-SP", "PCIe",
2130 "Obsolete, Unsupported Fibre Channel Adapter"};
2132 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
2133 m
= (typeof(m
)){"LPe1002-SP", "PCIe",
2134 "Obsolete, Unsupported Fibre Channel Adapter"};
2136 case PCI_DEVICE_ID_BMID
:
2137 m
= (typeof(m
)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
2139 case PCI_DEVICE_ID_BSMB
:
2140 m
= (typeof(m
)){"LP111", "PCI-X2",
2141 "Obsolete, Unsupported Fibre Channel Adapter"};
2143 case PCI_DEVICE_ID_ZEPHYR
:
2144 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
2146 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
2147 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
2149 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
2150 m
= (typeof(m
)){"LP2105", "PCIe", "FCoE Adapter"};
2153 case PCI_DEVICE_ID_ZMID
:
2154 m
= (typeof(m
)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
2156 case PCI_DEVICE_ID_ZSMB
:
2157 m
= (typeof(m
)){"LPe111", "PCIe", "Fibre Channel Adapter"};
2159 case PCI_DEVICE_ID_LP101
:
2160 m
= (typeof(m
)){"LP101", "PCI-X",
2161 "Obsolete, Unsupported Fibre Channel Adapter"};
2163 case PCI_DEVICE_ID_LP10000S
:
2164 m
= (typeof(m
)){"LP10000-S", "PCI",
2165 "Obsolete, Unsupported Fibre Channel Adapter"};
2167 case PCI_DEVICE_ID_LP11000S
:
2168 m
= (typeof(m
)){"LP11000-S", "PCI-X2",
2169 "Obsolete, Unsupported Fibre Channel Adapter"};
2171 case PCI_DEVICE_ID_LPE11000S
:
2172 m
= (typeof(m
)){"LPe11000-S", "PCIe",
2173 "Obsolete, Unsupported Fibre Channel Adapter"};
2175 case PCI_DEVICE_ID_SAT
:
2176 m
= (typeof(m
)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
2178 case PCI_DEVICE_ID_SAT_MID
:
2179 m
= (typeof(m
)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
2181 case PCI_DEVICE_ID_SAT_SMB
:
2182 m
= (typeof(m
)){"LPe121", "PCIe", "Fibre Channel Adapter"};
2184 case PCI_DEVICE_ID_SAT_DCSP
:
2185 m
= (typeof(m
)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
2187 case PCI_DEVICE_ID_SAT_SCSP
:
2188 m
= (typeof(m
)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
2190 case PCI_DEVICE_ID_SAT_S
:
2191 m
= (typeof(m
)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
2193 case PCI_DEVICE_ID_HORNET
:
2194 m
= (typeof(m
)){"LP21000", "PCIe",
2195 "Obsolete, Unsupported FCoE Adapter"};
2198 case PCI_DEVICE_ID_PROTEUS_VF
:
2199 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2200 "Obsolete, Unsupported Fibre Channel Adapter"};
2202 case PCI_DEVICE_ID_PROTEUS_PF
:
2203 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2204 "Obsolete, Unsupported Fibre Channel Adapter"};
2206 case PCI_DEVICE_ID_PROTEUS_S
:
2207 m
= (typeof(m
)){"LPemv12002-S", "PCIe IOV",
2208 "Obsolete, Unsupported Fibre Channel Adapter"};
2210 case PCI_DEVICE_ID_TIGERSHARK
:
2212 m
= (typeof(m
)){"OCe10100", "PCIe", "FCoE"};
2214 case PCI_DEVICE_ID_TOMCAT
:
2216 m
= (typeof(m
)){"OCe11100", "PCIe", "FCoE"};
2218 case PCI_DEVICE_ID_FALCON
:
2219 m
= (typeof(m
)){"LPSe12002-ML1-E", "PCIe",
2220 "EmulexSecure Fibre"};
2222 case PCI_DEVICE_ID_BALIUS
:
2223 m
= (typeof(m
)){"LPVe12002", "PCIe Shared I/O",
2224 "Obsolete, Unsupported Fibre Channel Adapter"};
2226 case PCI_DEVICE_ID_LANCER_FC
:
2227 m
= (typeof(m
)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
2229 case PCI_DEVICE_ID_LANCER_FC_VF
:
2230 m
= (typeof(m
)){"LPe16000", "PCIe",
2231 "Obsolete, Unsupported Fibre Channel Adapter"};
2233 case PCI_DEVICE_ID_LANCER_FCOE
:
2235 m
= (typeof(m
)){"OCe15100", "PCIe", "FCoE"};
2237 case PCI_DEVICE_ID_LANCER_FCOE_VF
:
2239 m
= (typeof(m
)){"OCe15100", "PCIe",
2240 "Obsolete, Unsupported FCoE"};
2242 case PCI_DEVICE_ID_LANCER_G6_FC
:
2243 m
= (typeof(m
)){"LPe32000", "PCIe", "Fibre Channel Adapter"};
2245 case PCI_DEVICE_ID_SKYHAWK
:
2246 case PCI_DEVICE_ID_SKYHAWK_VF
:
2248 m
= (typeof(m
)){"OCe14000", "PCIe", "FCoE"};
2251 m
= (typeof(m
)){"Unknown", "", ""};
2255 if (mdp
&& mdp
[0] == '\0')
2256 snprintf(mdp
, 79,"%s", m
.name
);
2258 * oneConnect hba requires special processing, they are all initiators
2259 * and we put the port number on the end
2261 if (descp
&& descp
[0] == '\0') {
2263 snprintf(descp
, 255,
2264 "Emulex OneConnect %s, %s Initiator %s",
2267 else if (max_speed
== 0)
2268 snprintf(descp
, 255,
2270 m
.name
, m
.bus
, m
.function
);
2272 snprintf(descp
, 255,
2273 "Emulex %s %d%s %s %s",
2274 m
.name
, max_speed
, (GE
) ? "GE" : "Gb",
2280 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
2281 * @phba: pointer to lpfc hba data structure.
2282 * @pring: pointer to a IOCB ring.
2283 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2285 * This routine posts a given number of IOCBs with the associated DMA buffer
2286 * descriptors specified by the cnt argument to the given IOCB ring.
2289 * The number of IOCBs NOT able to be posted to the IOCB ring.
2292 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
)
2295 struct lpfc_iocbq
*iocb
;
2296 struct lpfc_dmabuf
*mp1
, *mp2
;
2298 cnt
+= pring
->missbufcnt
;
2300 /* While there are buffers to post */
2302 /* Allocate buffer for command iocb */
2303 iocb
= lpfc_sli_get_iocbq(phba
);
2305 pring
->missbufcnt
= cnt
;
2310 /* 2 buffers can be posted per command */
2311 /* Allocate buffer to post */
2312 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2314 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
2315 if (!mp1
|| !mp1
->virt
) {
2317 lpfc_sli_release_iocbq(phba
, iocb
);
2318 pring
->missbufcnt
= cnt
;
2322 INIT_LIST_HEAD(&mp1
->list
);
2323 /* Allocate buffer to post */
2325 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2327 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
2329 if (!mp2
|| !mp2
->virt
) {
2331 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2333 lpfc_sli_release_iocbq(phba
, iocb
);
2334 pring
->missbufcnt
= cnt
;
2338 INIT_LIST_HEAD(&mp2
->list
);
2343 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
2344 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
2345 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
2346 icmd
->ulpBdeCount
= 1;
2349 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
2350 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
2351 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
2353 icmd
->ulpBdeCount
= 2;
2356 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
2359 if (lpfc_sli_issue_iocb(phba
, pring
->ringno
, iocb
, 0) ==
2361 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2365 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
2369 lpfc_sli_release_iocbq(phba
, iocb
);
2370 pring
->missbufcnt
= cnt
;
2373 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
2375 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
2377 pring
->missbufcnt
= 0;
2382 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
2383 * @phba: pointer to lpfc hba data structure.
2385 * This routine posts initial receive IOCB buffers to the ELS ring. The
2386 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2390 * 0 - success (currently always success)
2393 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
2395 struct lpfc_sli
*psli
= &phba
->sli
;
2397 /* Ring 0, ELS / CT buffers */
2398 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
);
2399 /* Ring 2 - FCP no buffers needed */
2404 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2407 * lpfc_sha_init - Set up initial array of hash table entries
2408 * @HashResultPointer: pointer to an array as hash table.
2410 * This routine sets up the initial values to the array of hash table entries
2414 lpfc_sha_init(uint32_t * HashResultPointer
)
2416 HashResultPointer
[0] = 0x67452301;
2417 HashResultPointer
[1] = 0xEFCDAB89;
2418 HashResultPointer
[2] = 0x98BADCFE;
2419 HashResultPointer
[3] = 0x10325476;
2420 HashResultPointer
[4] = 0xC3D2E1F0;
2424 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
2425 * @HashResultPointer: pointer to an initial/result hash table.
2426 * @HashWorkingPointer: pointer to an working hash table.
2428 * This routine iterates an initial hash table pointed by @HashResultPointer
2429 * with the values from the working hash table pointeed by @HashWorkingPointer.
2430 * The results are putting back to the initial hash table, returned through
2431 * the @HashResultPointer as the result hash table.
2434 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
2438 uint32_t A
, B
, C
, D
, E
;
2441 HashWorkingPointer
[t
] =
2443 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
2445 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
2446 } while (++t
<= 79);
2448 A
= HashResultPointer
[0];
2449 B
= HashResultPointer
[1];
2450 C
= HashResultPointer
[2];
2451 D
= HashResultPointer
[3];
2452 E
= HashResultPointer
[4];
2456 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
2457 } else if (t
< 40) {
2458 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
2459 } else if (t
< 60) {
2460 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
2462 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
2464 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
2470 } while (++t
<= 79);
2472 HashResultPointer
[0] += A
;
2473 HashResultPointer
[1] += B
;
2474 HashResultPointer
[2] += C
;
2475 HashResultPointer
[3] += D
;
2476 HashResultPointer
[4] += E
;
2481 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
2482 * @RandomChallenge: pointer to the entry of host challenge random number array.
2483 * @HashWorking: pointer to the entry of the working hash array.
2485 * This routine calculates the working hash array referred by @HashWorking
2486 * from the challenge random numbers associated with the host, referred by
2487 * @RandomChallenge. The result is put into the entry of the working hash
2488 * array and returned by reference through @HashWorking.
2491 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
2493 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
2497 * lpfc_hba_init - Perform special handling for LC HBA initialization
2498 * @phba: pointer to lpfc hba data structure.
2499 * @hbainit: pointer to an array of unsigned 32-bit integers.
2501 * This routine performs the special handling for LC HBA initialization.
2504 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
2507 uint32_t *HashWorking
;
2508 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
2510 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
2514 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
2515 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
2517 for (t
= 0; t
< 7; t
++)
2518 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
2520 lpfc_sha_init(hbainit
);
2521 lpfc_sha_iterate(hbainit
, HashWorking
);
2526 * lpfc_cleanup - Performs vport cleanups before deleting a vport
2527 * @vport: pointer to a virtual N_Port data structure.
2529 * This routine performs the necessary cleanups before deleting the @vport.
2530 * It invokes the discovery state machine to perform necessary state
2531 * transitions and to release the ndlps associated with the @vport. Note,
2532 * the physical port is treated as @vport 0.
2535 lpfc_cleanup(struct lpfc_vport
*vport
)
2537 struct lpfc_hba
*phba
= vport
->phba
;
2538 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2541 if (phba
->link_state
> LPFC_LINK_DOWN
)
2542 lpfc_port_link_failure(vport
);
2544 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
2545 if (!NLP_CHK_NODE_ACT(ndlp
)) {
2546 ndlp
= lpfc_enable_node(vport
, ndlp
,
2547 NLP_STE_UNUSED_NODE
);
2550 spin_lock_irq(&phba
->ndlp_lock
);
2551 NLP_SET_FREE_REQ(ndlp
);
2552 spin_unlock_irq(&phba
->ndlp_lock
);
2553 /* Trigger the release of the ndlp memory */
2557 spin_lock_irq(&phba
->ndlp_lock
);
2558 if (NLP_CHK_FREE_REQ(ndlp
)) {
2559 /* The ndlp should not be in memory free mode already */
2560 spin_unlock_irq(&phba
->ndlp_lock
);
2563 /* Indicate request for freeing ndlp memory */
2564 NLP_SET_FREE_REQ(ndlp
);
2565 spin_unlock_irq(&phba
->ndlp_lock
);
2567 if (vport
->port_type
!= LPFC_PHYSICAL_PORT
&&
2568 ndlp
->nlp_DID
== Fabric_DID
) {
2569 /* Just free up ndlp with Fabric_DID for vports */
2574 /* take care of nodes in unused state before the state
2575 * machine taking action.
2577 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
) {
2582 if (ndlp
->nlp_type
& NLP_FABRIC
)
2583 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2584 NLP_EVT_DEVICE_RECOVERY
);
2586 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2590 /* At this point, ALL ndlp's should be gone
2591 * because of the previous NLP_EVT_DEVICE_RM.
2592 * Lets wait for this to happen, if needed.
2594 while (!list_empty(&vport
->fc_nodes
)) {
2596 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
2597 "0233 Nodelist not empty\n");
2598 list_for_each_entry_safe(ndlp
, next_ndlp
,
2599 &vport
->fc_nodes
, nlp_listp
) {
2600 lpfc_printf_vlog(ndlp
->vport
, KERN_ERR
,
2602 "0282 did:x%x ndlp:x%p "
2603 "usgmap:x%x refcnt:%d\n",
2604 ndlp
->nlp_DID
, (void *)ndlp
,
2607 &ndlp
->kref
.refcount
));
2612 /* Wait for any activity on ndlps to settle */
2615 lpfc_cleanup_vports_rrqs(vport
, NULL
);
2619 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2620 * @vport: pointer to a virtual N_Port data structure.
2622 * This routine stops all the timers associated with a @vport. This function
2623 * is invoked before disabling or deleting a @vport. Note that the physical
2624 * port is treated as @vport 0.
2627 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
2629 del_timer_sync(&vport
->els_tmofunc
);
2630 del_timer_sync(&vport
->delayed_disc_tmo
);
2631 lpfc_can_disctmo(vport
);
2636 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2637 * @phba: pointer to lpfc hba data structure.
2639 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2640 * caller of this routine should already hold the host lock.
2643 __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2645 /* Clear pending FCF rediscovery wait flag */
2646 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
2648 /* Now, try to stop the timer */
2649 del_timer(&phba
->fcf
.redisc_wait
);
2653 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2654 * @phba: pointer to lpfc hba data structure.
2656 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2657 * checks whether the FCF rediscovery wait timer is pending with the host
2658 * lock held before proceeding with disabling the timer and clearing the
2659 * wait timer pendig flag.
2662 lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2664 spin_lock_irq(&phba
->hbalock
);
2665 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
2666 /* FCF rediscovery timer already fired or stopped */
2667 spin_unlock_irq(&phba
->hbalock
);
2670 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2671 /* Clear failover in progress flags */
2672 phba
->fcf
.fcf_flag
&= ~(FCF_DEAD_DISC
| FCF_ACVL_DISC
);
2673 spin_unlock_irq(&phba
->hbalock
);
2677 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2678 * @phba: pointer to lpfc hba data structure.
2680 * This routine stops all the timers associated with a HBA. This function is
2681 * invoked before either putting a HBA offline or unloading the driver.
2684 lpfc_stop_hba_timers(struct lpfc_hba
*phba
)
2686 lpfc_stop_vport_timers(phba
->pport
);
2687 del_timer_sync(&phba
->sli
.mbox_tmo
);
2688 del_timer_sync(&phba
->fabric_block_timer
);
2689 del_timer_sync(&phba
->eratt_poll
);
2690 del_timer_sync(&phba
->hb_tmofunc
);
2691 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2692 del_timer_sync(&phba
->rrq_tmr
);
2693 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
2695 phba
->hb_outstanding
= 0;
2697 switch (phba
->pci_dev_grp
) {
2698 case LPFC_PCI_DEV_LP
:
2699 /* Stop any LightPulse device specific driver timers */
2700 del_timer_sync(&phba
->fcp_poll_timer
);
2702 case LPFC_PCI_DEV_OC
:
2703 /* Stop any OneConnect device sepcific driver timers */
2704 lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2707 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2708 "0297 Invalid device group (x%x)\n",
2716 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2717 * @phba: pointer to lpfc hba data structure.
2719 * This routine marks a HBA's management interface as blocked. Once the HBA's
2720 * management interface is marked as blocked, all the user space access to
2721 * the HBA, whether they are from sysfs interface or libdfc interface will
2722 * all be blocked. The HBA is set to block the management interface when the
2723 * driver prepares the HBA interface for online or offline.
2726 lpfc_block_mgmt_io(struct lpfc_hba
*phba
, int mbx_action
)
2728 unsigned long iflag
;
2729 uint8_t actcmd
= MBX_HEARTBEAT
;
2730 unsigned long timeout
;
2732 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2733 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
2734 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2735 if (mbx_action
== LPFC_MBX_NO_WAIT
)
2737 timeout
= msecs_to_jiffies(LPFC_MBOX_TMO
* 1000) + jiffies
;
2738 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2739 if (phba
->sli
.mbox_active
) {
2740 actcmd
= phba
->sli
.mbox_active
->u
.mb
.mbxCommand
;
2741 /* Determine how long we might wait for the active mailbox
2742 * command to be gracefully completed by firmware.
2744 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
,
2745 phba
->sli
.mbox_active
) * 1000) + jiffies
;
2747 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2749 /* Wait for the outstnading mailbox command to complete */
2750 while (phba
->sli
.mbox_active
) {
2751 /* Check active mailbox complete status every 2ms */
2753 if (time_after(jiffies
, timeout
)) {
2754 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2755 "2813 Mgmt IO is Blocked %x "
2756 "- mbox cmd %x still active\n",
2757 phba
->sli
.sli_flag
, actcmd
);
2764 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
2765 * @phba: pointer to lpfc hba data structure.
2767 * Allocate RPIs for all active remote nodes. This is needed whenever
2768 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
2769 * is to fixup the temporary rpi assignments.
2772 lpfc_sli4_node_prep(struct lpfc_hba
*phba
)
2774 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2775 struct lpfc_vport
**vports
;
2778 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
2781 vports
= lpfc_create_vport_work_array(phba
);
2782 if (vports
!= NULL
) {
2783 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2784 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2787 list_for_each_entry_safe(ndlp
, next_ndlp
,
2788 &vports
[i
]->fc_nodes
,
2790 if (NLP_CHK_NODE_ACT(ndlp
)) {
2792 lpfc_sli4_alloc_rpi(phba
);
2793 lpfc_printf_vlog(ndlp
->vport
, KERN_INFO
,
2795 "0009 rpi:%x DID:%x "
2796 "flg:%x map:%x %p\n",
2806 lpfc_destroy_vport_work_array(phba
, vports
);
2810 * lpfc_online - Initialize and bring a HBA online
2811 * @phba: pointer to lpfc hba data structure.
2813 * This routine initializes the HBA and brings a HBA online. During this
2814 * process, the management interface is blocked to prevent user space access
2815 * to the HBA interfering with the driver initialization.
2822 lpfc_online(struct lpfc_hba
*phba
)
2824 struct lpfc_vport
*vport
;
2825 struct lpfc_vport
**vports
;
2827 bool vpis_cleared
= false;
2831 vport
= phba
->pport
;
2833 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
2836 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2837 "0458 Bring Adapter online\n");
2839 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
2841 if (!lpfc_sli_queue_setup(phba
)) {
2842 lpfc_unblock_mgmt_io(phba
);
2846 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2847 if (lpfc_sli4_hba_setup(phba
)) { /* Initialize SLI4 HBA */
2848 lpfc_unblock_mgmt_io(phba
);
2851 spin_lock_irq(&phba
->hbalock
);
2852 if (!phba
->sli4_hba
.max_cfg_param
.vpi_used
)
2853 vpis_cleared
= true;
2854 spin_unlock_irq(&phba
->hbalock
);
2856 if (lpfc_sli_hba_setup(phba
)) { /* Initialize SLI2/SLI3 HBA */
2857 lpfc_unblock_mgmt_io(phba
);
2862 vports
= lpfc_create_vport_work_array(phba
);
2863 if (vports
!= NULL
) {
2864 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2865 struct Scsi_Host
*shost
;
2866 shost
= lpfc_shost_from_vport(vports
[i
]);
2867 spin_lock_irq(shost
->host_lock
);
2868 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
2869 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
2870 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2871 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2872 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
2873 if ((vpis_cleared
) &&
2874 (vports
[i
]->port_type
!=
2875 LPFC_PHYSICAL_PORT
))
2878 spin_unlock_irq(shost
->host_lock
);
2881 lpfc_destroy_vport_work_array(phba
, vports
);
2883 lpfc_unblock_mgmt_io(phba
);
2888 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
2889 * @phba: pointer to lpfc hba data structure.
2891 * This routine marks a HBA's management interface as not blocked. Once the
2892 * HBA's management interface is marked as not blocked, all the user space
2893 * access to the HBA, whether they are from sysfs interface or libdfc
2894 * interface will be allowed. The HBA is set to block the management interface
2895 * when the driver prepares the HBA interface for online or offline and then
2896 * set to unblock the management interface afterwards.
2899 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
2901 unsigned long iflag
;
2903 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2904 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
2905 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2909 * lpfc_offline_prep - Prepare a HBA to be brought offline
2910 * @phba: pointer to lpfc hba data structure.
2912 * This routine is invoked to prepare a HBA to be brought offline. It performs
2913 * unregistration login to all the nodes on all vports and flushes the mailbox
2914 * queue to make it ready to be brought offline.
2917 lpfc_offline_prep(struct lpfc_hba
*phba
, int mbx_action
)
2919 struct lpfc_vport
*vport
= phba
->pport
;
2920 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2921 struct lpfc_vport
**vports
;
2922 struct Scsi_Host
*shost
;
2925 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
2928 lpfc_block_mgmt_io(phba
, mbx_action
);
2930 lpfc_linkdown(phba
);
2932 /* Issue an unreg_login to all nodes on all vports */
2933 vports
= lpfc_create_vport_work_array(phba
);
2934 if (vports
!= NULL
) {
2935 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2936 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2938 shost
= lpfc_shost_from_vport(vports
[i
]);
2939 spin_lock_irq(shost
->host_lock
);
2940 vports
[i
]->vpi_state
&= ~LPFC_VPI_REGISTERED
;
2941 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2942 vports
[i
]->fc_flag
&= ~FC_VFI_REGISTERED
;
2943 spin_unlock_irq(shost
->host_lock
);
2945 shost
= lpfc_shost_from_vport(vports
[i
]);
2946 list_for_each_entry_safe(ndlp
, next_ndlp
,
2947 &vports
[i
]->fc_nodes
,
2949 if (!NLP_CHK_NODE_ACT(ndlp
))
2951 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
2953 if (ndlp
->nlp_type
& NLP_FABRIC
) {
2954 lpfc_disc_state_machine(vports
[i
], ndlp
,
2955 NULL
, NLP_EVT_DEVICE_RECOVERY
);
2956 lpfc_disc_state_machine(vports
[i
], ndlp
,
2957 NULL
, NLP_EVT_DEVICE_RM
);
2959 spin_lock_irq(shost
->host_lock
);
2960 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
2961 spin_unlock_irq(shost
->host_lock
);
2963 * Whenever an SLI4 port goes offline, free the
2964 * RPI. Get a new RPI when the adapter port
2965 * comes back online.
2967 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2968 lpfc_printf_vlog(ndlp
->vport
,
2969 KERN_INFO
, LOG_NODE
,
2970 "0011 lpfc_offline: "
2972 "usgmap:x%x rpi:%x\n",
2973 ndlp
, ndlp
->nlp_DID
,
2977 lpfc_sli4_free_rpi(phba
, ndlp
->nlp_rpi
);
2979 lpfc_unreg_rpi(vports
[i
], ndlp
);
2983 lpfc_destroy_vport_work_array(phba
, vports
);
2985 lpfc_sli_mbox_sys_shutdown(phba
, mbx_action
);
2989 * lpfc_offline - Bring a HBA offline
2990 * @phba: pointer to lpfc hba data structure.
2992 * This routine actually brings a HBA offline. It stops all the timers
2993 * associated with the HBA, brings down the SLI layer, and eventually
2994 * marks the HBA as in offline state for the upper layer protocol.
2997 lpfc_offline(struct lpfc_hba
*phba
)
2999 struct Scsi_Host
*shost
;
3000 struct lpfc_vport
**vports
;
3003 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
3006 /* stop port and all timers associated with this hba */
3007 lpfc_stop_port(phba
);
3008 vports
= lpfc_create_vport_work_array(phba
);
3010 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
3011 lpfc_stop_vport_timers(vports
[i
]);
3012 lpfc_destroy_vport_work_array(phba
, vports
);
3013 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
3014 "0460 Bring Adapter offline\n");
3015 /* Bring down the SLI Layer and cleanup. The HBA is offline
3017 lpfc_sli_hba_down(phba
);
3018 spin_lock_irq(&phba
->hbalock
);
3020 spin_unlock_irq(&phba
->hbalock
);
3021 vports
= lpfc_create_vport_work_array(phba
);
3023 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
3024 shost
= lpfc_shost_from_vport(vports
[i
]);
3025 spin_lock_irq(shost
->host_lock
);
3026 vports
[i
]->work_port_events
= 0;
3027 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
3028 spin_unlock_irq(shost
->host_lock
);
3030 lpfc_destroy_vport_work_array(phba
, vports
);
3034 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
3035 * @phba: pointer to lpfc hba data structure.
3037 * This routine is to free all the SCSI buffers and IOCBs from the driver
3038 * list back to kernel. It is called from lpfc_pci_remove_one to free
3039 * the internal resources before the device is removed from the system.
3042 lpfc_scsi_free(struct lpfc_hba
*phba
)
3044 struct lpfc_scsi_buf
*sb
, *sb_next
;
3045 struct lpfc_iocbq
*io
, *io_next
;
3047 spin_lock_irq(&phba
->hbalock
);
3049 /* Release all the lpfc_scsi_bufs maintained by this host. */
3051 spin_lock(&phba
->scsi_buf_list_put_lock
);
3052 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list_put
,
3054 list_del(&sb
->list
);
3055 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
3058 phba
->total_scsi_bufs
--;
3060 spin_unlock(&phba
->scsi_buf_list_put_lock
);
3062 spin_lock(&phba
->scsi_buf_list_get_lock
);
3063 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list_get
,
3065 list_del(&sb
->list
);
3066 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
3069 phba
->total_scsi_bufs
--;
3071 spin_unlock(&phba
->scsi_buf_list_get_lock
);
3073 /* Release all the lpfc_iocbq entries maintained by this host. */
3074 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
3075 list_del(&io
->list
);
3077 phba
->total_iocbq_bufs
--;
3080 spin_unlock_irq(&phba
->hbalock
);
3084 * lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping
3085 * @phba: pointer to lpfc hba data structure.
3087 * This routine first calculates the sizes of the current els and allocated
3088 * scsi sgl lists, and then goes through all sgls to updates the physical
3089 * XRIs assigned due to port function reset. During port initialization, the
3090 * current els and allocated scsi sgl lists are 0s.
3093 * 0 - successful (for now, it always returns 0)
3096 lpfc_sli4_xri_sgl_update(struct lpfc_hba
*phba
)
3098 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_entry_next
= NULL
;
3099 struct lpfc_scsi_buf
*psb
= NULL
, *psb_next
= NULL
;
3100 uint16_t i
, lxri
, xri_cnt
, els_xri_cnt
, scsi_xri_cnt
;
3101 LIST_HEAD(els_sgl_list
);
3102 LIST_HEAD(scsi_sgl_list
);
3104 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
3107 * update on pci function's els xri-sgl list
3109 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
3110 if (els_xri_cnt
> phba
->sli4_hba
.els_xri_cnt
) {
3111 /* els xri-sgl expanded */
3112 xri_cnt
= els_xri_cnt
- phba
->sli4_hba
.els_xri_cnt
;
3113 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3114 "3157 ELS xri-sgl count increased from "
3115 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
3117 /* allocate the additional els sgls */
3118 for (i
= 0; i
< xri_cnt
; i
++) {
3119 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
),
3121 if (sglq_entry
== NULL
) {
3122 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3123 "2562 Failure to allocate an "
3124 "ELS sgl entry:%d\n", i
);
3128 sglq_entry
->buff_type
= GEN_BUFF_TYPE
;
3129 sglq_entry
->virt
= lpfc_mbuf_alloc(phba
, 0,
3131 if (sglq_entry
->virt
== NULL
) {
3133 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3134 "2563 Failure to allocate an "
3135 "ELS mbuf:%d\n", i
);
3139 sglq_entry
->sgl
= sglq_entry
->virt
;
3140 memset(sglq_entry
->sgl
, 0, LPFC_BPL_SIZE
);
3141 sglq_entry
->state
= SGL_FREED
;
3142 list_add_tail(&sglq_entry
->list
, &els_sgl_list
);
3144 spin_lock_irq(&phba
->hbalock
);
3145 spin_lock(&pring
->ring_lock
);
3146 list_splice_init(&els_sgl_list
, &phba
->sli4_hba
.lpfc_sgl_list
);
3147 spin_unlock(&pring
->ring_lock
);
3148 spin_unlock_irq(&phba
->hbalock
);
3149 } else if (els_xri_cnt
< phba
->sli4_hba
.els_xri_cnt
) {
3150 /* els xri-sgl shrinked */
3151 xri_cnt
= phba
->sli4_hba
.els_xri_cnt
- els_xri_cnt
;
3152 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3153 "3158 ELS xri-sgl count decreased from "
3154 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
3156 spin_lock_irq(&phba
->hbalock
);
3157 spin_lock(&pring
->ring_lock
);
3158 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &els_sgl_list
);
3159 spin_unlock(&pring
->ring_lock
);
3160 spin_unlock_irq(&phba
->hbalock
);
3161 /* release extra els sgls from list */
3162 for (i
= 0; i
< xri_cnt
; i
++) {
3163 list_remove_head(&els_sgl_list
,
3164 sglq_entry
, struct lpfc_sglq
, list
);
3166 lpfc_mbuf_free(phba
, sglq_entry
->virt
,
3171 spin_lock_irq(&phba
->hbalock
);
3172 spin_lock(&pring
->ring_lock
);
3173 list_splice_init(&els_sgl_list
, &phba
->sli4_hba
.lpfc_sgl_list
);
3174 spin_unlock(&pring
->ring_lock
);
3175 spin_unlock_irq(&phba
->hbalock
);
3177 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3178 "3163 ELS xri-sgl count unchanged: %d\n",
3180 phba
->sli4_hba
.els_xri_cnt
= els_xri_cnt
;
3182 /* update xris to els sgls on the list */
3184 sglq_entry_next
= NULL
;
3185 list_for_each_entry_safe(sglq_entry
, sglq_entry_next
,
3186 &phba
->sli4_hba
.lpfc_sgl_list
, list
) {
3187 lxri
= lpfc_sli4_next_xritag(phba
);
3188 if (lxri
== NO_XRI
) {
3189 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3190 "2400 Failed to allocate xri for "
3195 sglq_entry
->sli4_lxritag
= lxri
;
3196 sglq_entry
->sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3200 * update on pci function's allocated scsi xri-sgl list
3202 phba
->total_scsi_bufs
= 0;
3204 /* maximum number of xris available for scsi buffers */
3205 phba
->sli4_hba
.scsi_xri_max
= phba
->sli4_hba
.max_cfg_param
.max_xri
-
3208 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3209 "2401 Current allocated SCSI xri-sgl count:%d, "
3210 "maximum SCSI xri count:%d\n",
3211 phba
->sli4_hba
.scsi_xri_cnt
,
3212 phba
->sli4_hba
.scsi_xri_max
);
3214 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3215 spin_lock(&phba
->scsi_buf_list_put_lock
);
3216 list_splice_init(&phba
->lpfc_scsi_buf_list_get
, &scsi_sgl_list
);
3217 list_splice(&phba
->lpfc_scsi_buf_list_put
, &scsi_sgl_list
);
3218 spin_unlock(&phba
->scsi_buf_list_put_lock
);
3219 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3221 if (phba
->sli4_hba
.scsi_xri_cnt
> phba
->sli4_hba
.scsi_xri_max
) {
3222 /* max scsi xri shrinked below the allocated scsi buffers */
3223 scsi_xri_cnt
= phba
->sli4_hba
.scsi_xri_cnt
-
3224 phba
->sli4_hba
.scsi_xri_max
;
3225 /* release the extra allocated scsi buffers */
3226 for (i
= 0; i
< scsi_xri_cnt
; i
++) {
3227 list_remove_head(&scsi_sgl_list
, psb
,
3228 struct lpfc_scsi_buf
, list
);
3230 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
,
3231 psb
->data
, psb
->dma_handle
);
3235 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3236 phba
->sli4_hba
.scsi_xri_cnt
-= scsi_xri_cnt
;
3237 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3240 /* update xris associated to remaining allocated scsi buffers */
3243 list_for_each_entry_safe(psb
, psb_next
, &scsi_sgl_list
, list
) {
3244 lxri
= lpfc_sli4_next_xritag(phba
);
3245 if (lxri
== NO_XRI
) {
3246 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3247 "2560 Failed to allocate xri for "
3252 psb
->cur_iocbq
.sli4_lxritag
= lxri
;
3253 psb
->cur_iocbq
.sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3255 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3256 spin_lock(&phba
->scsi_buf_list_put_lock
);
3257 list_splice_init(&scsi_sgl_list
, &phba
->lpfc_scsi_buf_list_get
);
3258 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_put
);
3259 spin_unlock(&phba
->scsi_buf_list_put_lock
);
3260 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3265 lpfc_free_els_sgl_list(phba
);
3266 lpfc_scsi_free(phba
);
3271 * lpfc_create_port - Create an FC port
3272 * @phba: pointer to lpfc hba data structure.
3273 * @instance: a unique integer ID to this FC port.
3274 * @dev: pointer to the device data structure.
3276 * This routine creates a FC port for the upper layer protocol. The FC port
3277 * can be created on top of either a physical port or a virtual port provided
3278 * by the HBA. This routine also allocates a SCSI host data structure (shost)
3279 * and associates the FC port created before adding the shost into the SCSI
3283 * @vport - pointer to the virtual N_Port data structure.
3284 * NULL - port create failed.
3287 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
3289 struct lpfc_vport
*vport
;
3290 struct Scsi_Host
*shost
;
3293 if (dev
!= &phba
->pcidev
->dev
) {
3294 shost
= scsi_host_alloc(&lpfc_vport_template
,
3295 sizeof(struct lpfc_vport
));
3297 if (phba
->sli_rev
== LPFC_SLI_REV4
)
3298 shost
= scsi_host_alloc(&lpfc_template
,
3299 sizeof(struct lpfc_vport
));
3301 shost
= scsi_host_alloc(&lpfc_template_s3
,
3302 sizeof(struct lpfc_vport
));
3307 vport
= (struct lpfc_vport
*) shost
->hostdata
;
3309 vport
->load_flag
|= FC_LOADING
;
3310 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
3311 vport
->fc_rscn_flush
= 0;
3313 lpfc_get_vport_cfgparam(vport
);
3314 shost
->unique_id
= instance
;
3315 shost
->max_id
= LPFC_MAX_TARGET
;
3316 shost
->max_lun
= vport
->cfg_max_luns
;
3317 shost
->this_id
= -1;
3318 shost
->max_cmd_len
= 16;
3319 shost
->nr_hw_queues
= phba
->cfg_fcp_io_channel
;
3320 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
3321 shost
->dma_boundary
=
3322 phba
->sli4_hba
.pc_sli4_params
.sge_supp_len
-1;
3323 shost
->sg_tablesize
= phba
->cfg_sg_seg_cnt
;
3327 * Set initial can_queue value since 0 is no longer supported and
3328 * scsi_add_host will fail. This will be adjusted later based on the
3329 * max xri value determined in hba setup.
3331 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
3332 if (dev
!= &phba
->pcidev
->dev
) {
3333 shost
->transportt
= lpfc_vport_transport_template
;
3334 vport
->port_type
= LPFC_NPIV_PORT
;
3336 shost
->transportt
= lpfc_transport_template
;
3337 vport
->port_type
= LPFC_PHYSICAL_PORT
;
3340 /* Initialize all internally managed lists. */
3341 INIT_LIST_HEAD(&vport
->fc_nodes
);
3342 INIT_LIST_HEAD(&vport
->rcv_buffer_list
);
3343 spin_lock_init(&vport
->work_port_lock
);
3345 init_timer(&vport
->fc_disctmo
);
3346 vport
->fc_disctmo
.function
= lpfc_disc_timeout
;
3347 vport
->fc_disctmo
.data
= (unsigned long)vport
;
3349 init_timer(&vport
->els_tmofunc
);
3350 vport
->els_tmofunc
.function
= lpfc_els_timeout
;
3351 vport
->els_tmofunc
.data
= (unsigned long)vport
;
3353 init_timer(&vport
->delayed_disc_tmo
);
3354 vport
->delayed_disc_tmo
.function
= lpfc_delayed_disc_tmo
;
3355 vport
->delayed_disc_tmo
.data
= (unsigned long)vport
;
3357 error
= scsi_add_host_with_dma(shost
, dev
, &phba
->pcidev
->dev
);
3361 spin_lock_irq(&phba
->hbalock
);
3362 list_add_tail(&vport
->listentry
, &phba
->port_list
);
3363 spin_unlock_irq(&phba
->hbalock
);
3367 scsi_host_put(shost
);
3373 * destroy_port - destroy an FC port
3374 * @vport: pointer to an lpfc virtual N_Port data structure.
3376 * This routine destroys a FC port from the upper layer protocol. All the
3377 * resources associated with the port are released.
3380 destroy_port(struct lpfc_vport
*vport
)
3382 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3383 struct lpfc_hba
*phba
= vport
->phba
;
3385 lpfc_debugfs_terminate(vport
);
3386 fc_remove_host(shost
);
3387 scsi_remove_host(shost
);
3389 spin_lock_irq(&phba
->hbalock
);
3390 list_del_init(&vport
->listentry
);
3391 spin_unlock_irq(&phba
->hbalock
);
3393 lpfc_cleanup(vport
);
3398 * lpfc_get_instance - Get a unique integer ID
3400 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
3401 * uses the kernel idr facility to perform the task.
3404 * instance - a unique integer ID allocated as the new instance.
3405 * -1 - lpfc get instance failed.
3408 lpfc_get_instance(void)
3412 ret
= idr_alloc(&lpfc_hba_index
, NULL
, 0, 0, GFP_KERNEL
);
3413 return ret
< 0 ? -1 : ret
;
3417 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
3418 * @shost: pointer to SCSI host data structure.
3419 * @time: elapsed time of the scan in jiffies.
3421 * This routine is called by the SCSI layer with a SCSI host to determine
3422 * whether the scan host is finished.
3424 * Note: there is no scan_start function as adapter initialization will have
3425 * asynchronously kicked off the link initialization.
3428 * 0 - SCSI host scan is not over yet.
3429 * 1 - SCSI host scan is over.
3431 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
3433 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3434 struct lpfc_hba
*phba
= vport
->phba
;
3437 spin_lock_irq(shost
->host_lock
);
3439 if (vport
->load_flag
& FC_UNLOADING
) {
3443 if (time
>= msecs_to_jiffies(30 * 1000)) {
3444 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3445 "0461 Scanning longer than 30 "
3446 "seconds. Continuing initialization\n");
3450 if (time
>= msecs_to_jiffies(15 * 1000) &&
3451 phba
->link_state
<= LPFC_LINK_DOWN
) {
3452 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3453 "0465 Link down longer than 15 "
3454 "seconds. Continuing initialization\n");
3459 if (vport
->port_state
!= LPFC_VPORT_READY
)
3461 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
3463 if (vport
->fc_map_cnt
== 0 && time
< msecs_to_jiffies(2 * 1000))
3465 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
3471 spin_unlock_irq(shost
->host_lock
);
3476 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
3477 * @shost: pointer to SCSI host data structure.
3479 * This routine initializes a given SCSI host attributes on a FC port. The
3480 * SCSI host can be either on top of a physical port or a virtual port.
3482 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
3484 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3485 struct lpfc_hba
*phba
= vport
->phba
;
3487 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
3490 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
3491 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
3492 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
3494 memset(fc_host_supported_fc4s(shost
), 0,
3495 sizeof(fc_host_supported_fc4s(shost
)));
3496 fc_host_supported_fc4s(shost
)[2] = 1;
3497 fc_host_supported_fc4s(shost
)[7] = 1;
3499 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
3500 sizeof fc_host_symbolic_name(shost
));
3502 fc_host_supported_speeds(shost
) = 0;
3503 if (phba
->lmt
& LMT_32Gb
)
3504 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_32GBIT
;
3505 if (phba
->lmt
& LMT_16Gb
)
3506 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_16GBIT
;
3507 if (phba
->lmt
& LMT_10Gb
)
3508 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
3509 if (phba
->lmt
& LMT_8Gb
)
3510 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
3511 if (phba
->lmt
& LMT_4Gb
)
3512 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
3513 if (phba
->lmt
& LMT_2Gb
)
3514 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
3515 if (phba
->lmt
& LMT_1Gb
)
3516 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
3518 fc_host_maxframe_size(shost
) =
3519 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
3520 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
3522 fc_host_dev_loss_tmo(shost
) = vport
->cfg_devloss_tmo
;
3524 /* This value is also unchanging */
3525 memset(fc_host_active_fc4s(shost
), 0,
3526 sizeof(fc_host_active_fc4s(shost
)));
3527 fc_host_active_fc4s(shost
)[2] = 1;
3528 fc_host_active_fc4s(shost
)[7] = 1;
3530 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
3531 spin_lock_irq(shost
->host_lock
);
3532 vport
->load_flag
&= ~FC_LOADING
;
3533 spin_unlock_irq(shost
->host_lock
);
3537 * lpfc_stop_port_s3 - Stop SLI3 device port
3538 * @phba: pointer to lpfc hba data structure.
3540 * This routine is invoked to stop an SLI3 device port, it stops the device
3541 * from generating interrupts and stops the device driver's timers for the
3545 lpfc_stop_port_s3(struct lpfc_hba
*phba
)
3547 /* Clear all interrupt enable conditions */
3548 writel(0, phba
->HCregaddr
);
3549 readl(phba
->HCregaddr
); /* flush */
3550 /* Clear all pending interrupts */
3551 writel(0xffffffff, phba
->HAregaddr
);
3552 readl(phba
->HAregaddr
); /* flush */
3554 /* Reset some HBA SLI setup states */
3555 lpfc_stop_hba_timers(phba
);
3556 phba
->pport
->work_port_events
= 0;
3560 * lpfc_stop_port_s4 - Stop SLI4 device port
3561 * @phba: pointer to lpfc hba data structure.
3563 * This routine is invoked to stop an SLI4 device port, it stops the device
3564 * from generating interrupts and stops the device driver's timers for the
3568 lpfc_stop_port_s4(struct lpfc_hba
*phba
)
3570 /* Reset some HBA SLI4 setup states */
3571 lpfc_stop_hba_timers(phba
);
3572 phba
->pport
->work_port_events
= 0;
3573 phba
->sli4_hba
.intr_enable
= 0;
3577 * lpfc_stop_port - Wrapper function for stopping hba port
3578 * @phba: Pointer to HBA context object.
3580 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
3581 * the API jump table function pointer from the lpfc_hba struct.
3584 lpfc_stop_port(struct lpfc_hba
*phba
)
3586 phba
->lpfc_stop_port(phba
);
3590 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
3591 * @phba: Pointer to hba for which this call is being executed.
3593 * This routine starts the timer waiting for the FCF rediscovery to complete.
3596 lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba
*phba
)
3598 unsigned long fcf_redisc_wait_tmo
=
3599 (jiffies
+ msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO
));
3600 /* Start fcf rediscovery wait period timer */
3601 mod_timer(&phba
->fcf
.redisc_wait
, fcf_redisc_wait_tmo
);
3602 spin_lock_irq(&phba
->hbalock
);
3603 /* Allow action to new fcf asynchronous event */
3604 phba
->fcf
.fcf_flag
&= ~(FCF_AVAILABLE
| FCF_SCAN_DONE
);
3605 /* Mark the FCF rediscovery pending state */
3606 phba
->fcf
.fcf_flag
|= FCF_REDISC_PEND
;
3607 spin_unlock_irq(&phba
->hbalock
);
3611 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
3612 * @ptr: Map to lpfc_hba data structure pointer.
3614 * This routine is invoked when waiting for FCF table rediscover has been
3615 * timed out. If new FCF record(s) has (have) been discovered during the
3616 * wait period, a new FCF event shall be added to the FCOE async event
3617 * list, and then worker thread shall be waked up for processing from the
3618 * worker thread context.
3621 lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr
)
3623 struct lpfc_hba
*phba
= (struct lpfc_hba
*)ptr
;
3625 /* Don't send FCF rediscovery event if timer cancelled */
3626 spin_lock_irq(&phba
->hbalock
);
3627 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
3628 spin_unlock_irq(&phba
->hbalock
);
3631 /* Clear FCF rediscovery timer pending flag */
3632 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
3633 /* FCF rediscovery event to worker thread */
3634 phba
->fcf
.fcf_flag
|= FCF_REDISC_EVT
;
3635 spin_unlock_irq(&phba
->hbalock
);
3636 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
3637 "2776 FCF rediscover quiescent timer expired\n");
3638 /* wake up worker thread */
3639 lpfc_worker_wake_up(phba
);
3643 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
3644 * @phba: pointer to lpfc hba data structure.
3645 * @acqe_link: pointer to the async link completion queue entry.
3647 * This routine is to parse the SLI4 link-attention link fault code and
3648 * translate it into the base driver's read link attention mailbox command
3651 * Return: Link-attention status in terms of base driver's coding.
3654 lpfc_sli4_parse_latt_fault(struct lpfc_hba
*phba
,
3655 struct lpfc_acqe_link
*acqe_link
)
3657 uint16_t latt_fault
;
3659 switch (bf_get(lpfc_acqe_link_fault
, acqe_link
)) {
3660 case LPFC_ASYNC_LINK_FAULT_NONE
:
3661 case LPFC_ASYNC_LINK_FAULT_LOCAL
:
3662 case LPFC_ASYNC_LINK_FAULT_REMOTE
:
3666 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3667 "0398 Invalid link fault code: x%x\n",
3668 bf_get(lpfc_acqe_link_fault
, acqe_link
));
3669 latt_fault
= MBXERR_ERROR
;
3676 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
3677 * @phba: pointer to lpfc hba data structure.
3678 * @acqe_link: pointer to the async link completion queue entry.
3680 * This routine is to parse the SLI4 link attention type and translate it
3681 * into the base driver's link attention type coding.
3683 * Return: Link attention type in terms of base driver's coding.
3686 lpfc_sli4_parse_latt_type(struct lpfc_hba
*phba
,
3687 struct lpfc_acqe_link
*acqe_link
)
3691 switch (bf_get(lpfc_acqe_link_status
, acqe_link
)) {
3692 case LPFC_ASYNC_LINK_STATUS_DOWN
:
3693 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN
:
3694 att_type
= LPFC_ATT_LINK_DOWN
;
3696 case LPFC_ASYNC_LINK_STATUS_UP
:
3697 /* Ignore physical link up events - wait for logical link up */
3698 att_type
= LPFC_ATT_RESERVED
;
3700 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP
:
3701 att_type
= LPFC_ATT_LINK_UP
;
3704 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3705 "0399 Invalid link attention type: x%x\n",
3706 bf_get(lpfc_acqe_link_status
, acqe_link
));
3707 att_type
= LPFC_ATT_RESERVED
;
3714 * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
3715 * @phba: pointer to lpfc hba data structure.
3717 * This routine is to get an SLI3 FC port's link speed in Mbps.
3719 * Return: link speed in terms of Mbps.
3722 lpfc_sli_port_speed_get(struct lpfc_hba
*phba
)
3724 uint32_t link_speed
;
3726 if (!lpfc_is_link_up(phba
))
3729 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
3730 switch (phba
->fc_linkspeed
) {
3731 case LPFC_LINK_SPEED_1GHZ
:
3734 case LPFC_LINK_SPEED_2GHZ
:
3737 case LPFC_LINK_SPEED_4GHZ
:
3740 case LPFC_LINK_SPEED_8GHZ
:
3743 case LPFC_LINK_SPEED_10GHZ
:
3746 case LPFC_LINK_SPEED_16GHZ
:
3753 if (phba
->sli4_hba
.link_state
.logical_speed
)
3755 phba
->sli4_hba
.link_state
.logical_speed
;
3757 link_speed
= phba
->sli4_hba
.link_state
.speed
;
3763 * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
3764 * @phba: pointer to lpfc hba data structure.
3765 * @evt_code: asynchronous event code.
3766 * @speed_code: asynchronous event link speed code.
3768 * This routine is to parse the giving SLI4 async event link speed code into
3769 * value of Mbps for the link speed.
3771 * Return: link speed in terms of Mbps.
3774 lpfc_sli4_port_speed_parse(struct lpfc_hba
*phba
, uint32_t evt_code
,
3777 uint32_t port_speed
;
3780 case LPFC_TRAILER_CODE_LINK
:
3781 switch (speed_code
) {
3782 case LPFC_ASYNC_LINK_SPEED_ZERO
:
3785 case LPFC_ASYNC_LINK_SPEED_10MBPS
:
3788 case LPFC_ASYNC_LINK_SPEED_100MBPS
:
3791 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
3794 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
3797 case LPFC_ASYNC_LINK_SPEED_20GBPS
:
3800 case LPFC_ASYNC_LINK_SPEED_25GBPS
:
3803 case LPFC_ASYNC_LINK_SPEED_40GBPS
:
3810 case LPFC_TRAILER_CODE_FC
:
3811 switch (speed_code
) {
3812 case LPFC_FC_LA_SPEED_UNKNOWN
:
3815 case LPFC_FC_LA_SPEED_1G
:
3818 case LPFC_FC_LA_SPEED_2G
:
3821 case LPFC_FC_LA_SPEED_4G
:
3824 case LPFC_FC_LA_SPEED_8G
:
3827 case LPFC_FC_LA_SPEED_10G
:
3830 case LPFC_FC_LA_SPEED_16G
:
3833 case LPFC_FC_LA_SPEED_32G
:
3847 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
3848 * @phba: pointer to lpfc hba data structure.
3849 * @acqe_link: pointer to the async link completion queue entry.
3851 * This routine is to handle the SLI4 asynchronous FCoE link event.
3854 lpfc_sli4_async_link_evt(struct lpfc_hba
*phba
,
3855 struct lpfc_acqe_link
*acqe_link
)
3857 struct lpfc_dmabuf
*mp
;
3860 struct lpfc_mbx_read_top
*la
;
3864 att_type
= lpfc_sli4_parse_latt_type(phba
, acqe_link
);
3865 if (att_type
!= LPFC_ATT_LINK_DOWN
&& att_type
!= LPFC_ATT_LINK_UP
)
3867 phba
->fcoe_eventtag
= acqe_link
->event_tag
;
3868 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3870 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3871 "0395 The mboxq allocation failed\n");
3874 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3876 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3877 "0396 The lpfc_dmabuf allocation failed\n");
3880 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3882 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3883 "0397 The mbuf allocation failed\n");
3884 goto out_free_dmabuf
;
3887 /* Cleanup any outstanding ELS commands */
3888 lpfc_els_flush_all_cmd(phba
);
3890 /* Block ELS IOCBs until we have done process link event */
3891 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3893 /* Update link event statistics */
3894 phba
->sli
.slistat
.link_event
++;
3896 /* Create lpfc_handle_latt mailbox command from link ACQE */
3897 lpfc_read_topology(phba
, pmb
, mp
);
3898 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3899 pmb
->vport
= phba
->pport
;
3901 /* Keep the link status for extra SLI4 state machine reference */
3902 phba
->sli4_hba
.link_state
.speed
=
3903 lpfc_sli4_port_speed_parse(phba
, LPFC_TRAILER_CODE_LINK
,
3904 bf_get(lpfc_acqe_link_speed
, acqe_link
));
3905 phba
->sli4_hba
.link_state
.duplex
=
3906 bf_get(lpfc_acqe_link_duplex
, acqe_link
);
3907 phba
->sli4_hba
.link_state
.status
=
3908 bf_get(lpfc_acqe_link_status
, acqe_link
);
3909 phba
->sli4_hba
.link_state
.type
=
3910 bf_get(lpfc_acqe_link_type
, acqe_link
);
3911 phba
->sli4_hba
.link_state
.number
=
3912 bf_get(lpfc_acqe_link_number
, acqe_link
);
3913 phba
->sli4_hba
.link_state
.fault
=
3914 bf_get(lpfc_acqe_link_fault
, acqe_link
);
3915 phba
->sli4_hba
.link_state
.logical_speed
=
3916 bf_get(lpfc_acqe_logical_link_speed
, acqe_link
) * 10;
3918 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3919 "2900 Async FC/FCoE Link event - Speed:%dGBit "
3920 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
3921 "Logical speed:%dMbps Fault:%d\n",
3922 phba
->sli4_hba
.link_state
.speed
,
3923 phba
->sli4_hba
.link_state
.topology
,
3924 phba
->sli4_hba
.link_state
.status
,
3925 phba
->sli4_hba
.link_state
.type
,
3926 phba
->sli4_hba
.link_state
.number
,
3927 phba
->sli4_hba
.link_state
.logical_speed
,
3928 phba
->sli4_hba
.link_state
.fault
);
3930 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
3931 * topology info. Note: Optional for non FC-AL ports.
3933 if (!(phba
->hba_flag
& HBA_FCOE_MODE
)) {
3934 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3935 if (rc
== MBX_NOT_FINISHED
)
3936 goto out_free_dmabuf
;
3940 * For FCoE Mode: fill in all the topology information we need and call
3941 * the READ_TOPOLOGY completion routine to continue without actually
3942 * sending the READ_TOPOLOGY mailbox command to the port.
3944 /* Parse and translate status field */
3946 mb
->mbxStatus
= lpfc_sli4_parse_latt_fault(phba
, acqe_link
);
3948 /* Parse and translate link attention fields */
3949 la
= (struct lpfc_mbx_read_top
*) &pmb
->u
.mb
.un
.varReadTop
;
3950 la
->eventTag
= acqe_link
->event_tag
;
3951 bf_set(lpfc_mbx_read_top_att_type
, la
, att_type
);
3952 bf_set(lpfc_mbx_read_top_link_spd
, la
,
3953 (bf_get(lpfc_acqe_link_speed
, acqe_link
)));
3955 /* Fake the the following irrelvant fields */
3956 bf_set(lpfc_mbx_read_top_topology
, la
, LPFC_TOPOLOGY_PT_PT
);
3957 bf_set(lpfc_mbx_read_top_alpa_granted
, la
, 0);
3958 bf_set(lpfc_mbx_read_top_il
, la
, 0);
3959 bf_set(lpfc_mbx_read_top_pb
, la
, 0);
3960 bf_set(lpfc_mbx_read_top_fa
, la
, 0);
3961 bf_set(lpfc_mbx_read_top_mm
, la
, 0);
3963 /* Invoke the lpfc_handle_latt mailbox command callback function */
3964 lpfc_mbx_cmpl_read_topology(phba
, pmb
);
3971 mempool_free(pmb
, phba
->mbox_mem_pool
);
3975 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
3976 * @phba: pointer to lpfc hba data structure.
3977 * @acqe_fc: pointer to the async fc completion queue entry.
3979 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
3980 * that the event was received and then issue a read_topology mailbox command so
3981 * that the rest of the driver will treat it the same as SLI3.
3984 lpfc_sli4_async_fc_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_fc_la
*acqe_fc
)
3986 struct lpfc_dmabuf
*mp
;
3990 if (bf_get(lpfc_trailer_type
, acqe_fc
) !=
3991 LPFC_FC_LA_EVENT_TYPE_FC_LINK
) {
3992 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3993 "2895 Non FC link Event detected.(%d)\n",
3994 bf_get(lpfc_trailer_type
, acqe_fc
));
3997 /* Keep the link status for extra SLI4 state machine reference */
3998 phba
->sli4_hba
.link_state
.speed
=
3999 lpfc_sli4_port_speed_parse(phba
, LPFC_TRAILER_CODE_FC
,
4000 bf_get(lpfc_acqe_fc_la_speed
, acqe_fc
));
4001 phba
->sli4_hba
.link_state
.duplex
= LPFC_ASYNC_LINK_DUPLEX_FULL
;
4002 phba
->sli4_hba
.link_state
.topology
=
4003 bf_get(lpfc_acqe_fc_la_topology
, acqe_fc
);
4004 phba
->sli4_hba
.link_state
.status
=
4005 bf_get(lpfc_acqe_fc_la_att_type
, acqe_fc
);
4006 phba
->sli4_hba
.link_state
.type
=
4007 bf_get(lpfc_acqe_fc_la_port_type
, acqe_fc
);
4008 phba
->sli4_hba
.link_state
.number
=
4009 bf_get(lpfc_acqe_fc_la_port_number
, acqe_fc
);
4010 phba
->sli4_hba
.link_state
.fault
=
4011 bf_get(lpfc_acqe_link_fault
, acqe_fc
);
4012 phba
->sli4_hba
.link_state
.logical_speed
=
4013 bf_get(lpfc_acqe_fc_la_llink_spd
, acqe_fc
) * 10;
4014 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4015 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
4016 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
4017 "%dMbps Fault:%d\n",
4018 phba
->sli4_hba
.link_state
.speed
,
4019 phba
->sli4_hba
.link_state
.topology
,
4020 phba
->sli4_hba
.link_state
.status
,
4021 phba
->sli4_hba
.link_state
.type
,
4022 phba
->sli4_hba
.link_state
.number
,
4023 phba
->sli4_hba
.link_state
.logical_speed
,
4024 phba
->sli4_hba
.link_state
.fault
);
4025 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4027 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4028 "2897 The mboxq allocation failed\n");
4031 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
4033 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4034 "2898 The lpfc_dmabuf allocation failed\n");
4037 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
4039 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4040 "2899 The mbuf allocation failed\n");
4041 goto out_free_dmabuf
;
4044 /* Cleanup any outstanding ELS commands */
4045 lpfc_els_flush_all_cmd(phba
);
4047 /* Block ELS IOCBs until we have done process link event */
4048 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
4050 /* Update link event statistics */
4051 phba
->sli
.slistat
.link_event
++;
4053 /* Create lpfc_handle_latt mailbox command from link ACQE */
4054 lpfc_read_topology(phba
, pmb
, mp
);
4055 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
4056 pmb
->vport
= phba
->pport
;
4058 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
4059 if (rc
== MBX_NOT_FINISHED
)
4060 goto out_free_dmabuf
;
4066 mempool_free(pmb
, phba
->mbox_mem_pool
);
4070 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
4071 * @phba: pointer to lpfc hba data structure.
4072 * @acqe_fc: pointer to the async SLI completion queue entry.
4074 * This routine is to handle the SLI4 asynchronous SLI events.
4077 lpfc_sli4_async_sli_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_sli
*acqe_sli
)
4083 uint8_t operational
= 0;
4084 struct temp_event temp_event_data
;
4085 struct lpfc_acqe_misconfigured_event
*misconfigured
;
4086 struct Scsi_Host
*shost
;
4088 evt_type
= bf_get(lpfc_trailer_type
, acqe_sli
);
4090 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4091 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
4092 "x%08x SLI Event Type:%d\n",
4093 acqe_sli
->event_data1
, acqe_sli
->event_data2
,
4096 port_name
= phba
->Port
[0];
4097 if (port_name
== 0x00)
4098 port_name
= '?'; /* get port name is empty */
4101 case LPFC_SLI_EVENT_TYPE_OVER_TEMP
:
4102 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
4103 temp_event_data
.event_code
= LPFC_THRESHOLD_TEMP
;
4104 temp_event_data
.data
= (uint32_t)acqe_sli
->event_data1
;
4106 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
4107 "3190 Over Temperature:%d Celsius- Port Name %c\n",
4108 acqe_sli
->event_data1
, port_name
);
4110 shost
= lpfc_shost_from_vport(phba
->pport
);
4111 fc_host_post_vendor_event(shost
, fc_get_event_number(),
4112 sizeof(temp_event_data
),
4113 (char *)&temp_event_data
,
4114 SCSI_NL_VID_TYPE_PCI
4115 | PCI_VENDOR_ID_EMULEX
);
4117 case LPFC_SLI_EVENT_TYPE_NORM_TEMP
:
4118 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
4119 temp_event_data
.event_code
= LPFC_NORMAL_TEMP
;
4120 temp_event_data
.data
= (uint32_t)acqe_sli
->event_data1
;
4122 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4123 "3191 Normal Temperature:%d Celsius - Port Name %c\n",
4124 acqe_sli
->event_data1
, port_name
);
4126 shost
= lpfc_shost_from_vport(phba
->pport
);
4127 fc_host_post_vendor_event(shost
, fc_get_event_number(),
4128 sizeof(temp_event_data
),
4129 (char *)&temp_event_data
,
4130 SCSI_NL_VID_TYPE_PCI
4131 | PCI_VENDOR_ID_EMULEX
);
4133 case LPFC_SLI_EVENT_TYPE_MISCONFIGURED
:
4134 misconfigured
= (struct lpfc_acqe_misconfigured_event
*)
4135 &acqe_sli
->event_data1
;
4137 /* fetch the status for this port */
4138 switch (phba
->sli4_hba
.lnk_info
.lnk_no
) {
4139 case LPFC_LINK_NUMBER_0
:
4140 status
= bf_get(lpfc_sli_misconfigured_port0_state
,
4141 &misconfigured
->theEvent
);
4142 operational
= bf_get(lpfc_sli_misconfigured_port0_op
,
4143 &misconfigured
->theEvent
);
4145 case LPFC_LINK_NUMBER_1
:
4146 status
= bf_get(lpfc_sli_misconfigured_port1_state
,
4147 &misconfigured
->theEvent
);
4148 operational
= bf_get(lpfc_sli_misconfigured_port1_op
,
4149 &misconfigured
->theEvent
);
4151 case LPFC_LINK_NUMBER_2
:
4152 status
= bf_get(lpfc_sli_misconfigured_port2_state
,
4153 &misconfigured
->theEvent
);
4154 operational
= bf_get(lpfc_sli_misconfigured_port2_op
,
4155 &misconfigured
->theEvent
);
4157 case LPFC_LINK_NUMBER_3
:
4158 status
= bf_get(lpfc_sli_misconfigured_port3_state
,
4159 &misconfigured
->theEvent
);
4160 operational
= bf_get(lpfc_sli_misconfigured_port3_op
,
4161 &misconfigured
->theEvent
);
4164 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4166 "LPFC_SLI_EVENT_TYPE_MISCONFIGURED "
4167 "event: Invalid link %d",
4168 phba
->sli4_hba
.lnk_info
.lnk_no
);
4172 /* Skip if optic state unchanged */
4173 if (phba
->sli4_hba
.lnk_info
.optic_state
== status
)
4177 case LPFC_SLI_EVENT_STATUS_VALID
:
4178 sprintf(message
, "Physical Link is functional");
4180 case LPFC_SLI_EVENT_STATUS_NOT_PRESENT
:
4181 sprintf(message
, "Optics faulted/incorrectly "
4182 "installed/not installed - Reseat optics, "
4183 "if issue not resolved, replace.");
4185 case LPFC_SLI_EVENT_STATUS_WRONG_TYPE
:
4187 "Optics of two types installed - Remove one "
4188 "optic or install matching pair of optics.");
4190 case LPFC_SLI_EVENT_STATUS_UNSUPPORTED
:
4191 sprintf(message
, "Incompatible optics - Replace with "
4192 "compatible optics for card to function.");
4194 case LPFC_SLI_EVENT_STATUS_UNQUALIFIED
:
4195 sprintf(message
, "Unqualified optics - Replace with "
4196 "Avago optics for Warranty and Technical "
4197 "Support - Link is%s operational",
4198 (operational
) ? "" : " not");
4200 case LPFC_SLI_EVENT_STATUS_UNCERTIFIED
:
4201 sprintf(message
, "Uncertified optics - Replace with "
4202 "Avago-certified optics to enable link "
4203 "operation - Link is%s operational",
4204 (operational
) ? "" : " not");
4207 /* firmware is reporting a status we don't know about */
4208 sprintf(message
, "Unknown event status x%02x", status
);
4211 phba
->sli4_hba
.lnk_info
.optic_state
= status
;
4212 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4213 "3176 Port Name %c %s\n", port_name
, message
);
4215 case LPFC_SLI_EVENT_TYPE_REMOTE_DPORT
:
4216 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4217 "3192 Remote DPort Test Initiated - "
4218 "Event Data1:x%08x Event Data2: x%08x\n",
4219 acqe_sli
->event_data1
, acqe_sli
->event_data2
);
4222 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4223 "3193 Async SLI event - Event Data1:x%08x Event Data2:"
4224 "x%08x SLI Event Type:%d\n",
4225 acqe_sli
->event_data1
, acqe_sli
->event_data2
,
4232 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
4233 * @vport: pointer to vport data structure.
4235 * This routine is to perform Clear Virtual Link (CVL) on a vport in
4236 * response to a CVL event.
4238 * Return the pointer to the ndlp with the vport if successful, otherwise
4241 static struct lpfc_nodelist
*
4242 lpfc_sli4_perform_vport_cvl(struct lpfc_vport
*vport
)
4244 struct lpfc_nodelist
*ndlp
;
4245 struct Scsi_Host
*shost
;
4246 struct lpfc_hba
*phba
;
4253 ndlp
= lpfc_findnode_did(vport
, Fabric_DID
);
4255 /* Cannot find existing Fabric ndlp, so allocate a new one */
4256 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
4259 lpfc_nlp_init(vport
, ndlp
, Fabric_DID
);
4260 /* Set the node type */
4261 ndlp
->nlp_type
|= NLP_FABRIC
;
4262 /* Put ndlp onto node list */
4263 lpfc_enqueue_node(vport
, ndlp
);
4264 } else if (!NLP_CHK_NODE_ACT(ndlp
)) {
4265 /* re-setup ndlp without removing from node list */
4266 ndlp
= lpfc_enable_node(vport
, ndlp
, NLP_STE_UNUSED_NODE
);
4270 if ((phba
->pport
->port_state
< LPFC_FLOGI
) &&
4271 (phba
->pport
->port_state
!= LPFC_VPORT_FAILED
))
4273 /* If virtual link is not yet instantiated ignore CVL */
4274 if ((vport
!= phba
->pport
) && (vport
->port_state
< LPFC_FDISC
)
4275 && (vport
->port_state
!= LPFC_VPORT_FAILED
))
4277 shost
= lpfc_shost_from_vport(vport
);
4280 lpfc_linkdown_port(vport
);
4281 lpfc_cleanup_pending_mbox(vport
);
4282 spin_lock_irq(shost
->host_lock
);
4283 vport
->fc_flag
|= FC_VPORT_CVL_RCVD
;
4284 spin_unlock_irq(shost
->host_lock
);
4290 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
4291 * @vport: pointer to lpfc hba data structure.
4293 * This routine is to perform Clear Virtual Link (CVL) on all vports in
4294 * response to a FCF dead event.
4297 lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba
*phba
)
4299 struct lpfc_vport
**vports
;
4302 vports
= lpfc_create_vport_work_array(phba
);
4304 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
4305 lpfc_sli4_perform_vport_cvl(vports
[i
]);
4306 lpfc_destroy_vport_work_array(phba
, vports
);
4310 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
4311 * @phba: pointer to lpfc hba data structure.
4312 * @acqe_link: pointer to the async fcoe completion queue entry.
4314 * This routine is to handle the SLI4 asynchronous fcoe event.
4317 lpfc_sli4_async_fip_evt(struct lpfc_hba
*phba
,
4318 struct lpfc_acqe_fip
*acqe_fip
)
4320 uint8_t event_type
= bf_get(lpfc_trailer_type
, acqe_fip
);
4322 struct lpfc_vport
*vport
;
4323 struct lpfc_nodelist
*ndlp
;
4324 struct Scsi_Host
*shost
;
4325 int active_vlink_present
;
4326 struct lpfc_vport
**vports
;
4329 phba
->fc_eventTag
= acqe_fip
->event_tag
;
4330 phba
->fcoe_eventtag
= acqe_fip
->event_tag
;
4331 switch (event_type
) {
4332 case LPFC_FIP_EVENT_TYPE_NEW_FCF
:
4333 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD
:
4334 if (event_type
== LPFC_FIP_EVENT_TYPE_NEW_FCF
)
4335 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4337 "2546 New FCF event, evt_tag:x%x, "
4339 acqe_fip
->event_tag
,
4342 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
|
4344 "2788 FCF param modified event, "
4345 "evt_tag:x%x, index:x%x\n",
4346 acqe_fip
->event_tag
,
4348 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4350 * During period of FCF discovery, read the FCF
4351 * table record indexed by the event to update
4352 * FCF roundrobin failover eligible FCF bmask.
4354 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
4356 "2779 Read FCF (x%x) for updating "
4357 "roundrobin FCF failover bmask\n",
4359 rc
= lpfc_sli4_read_fcf_rec(phba
, acqe_fip
->index
);
4362 /* If the FCF discovery is in progress, do nothing. */
4363 spin_lock_irq(&phba
->hbalock
);
4364 if (phba
->hba_flag
& FCF_TS_INPROG
) {
4365 spin_unlock_irq(&phba
->hbalock
);
4368 /* If fast FCF failover rescan event is pending, do nothing */
4369 if (phba
->fcf
.fcf_flag
& FCF_REDISC_EVT
) {
4370 spin_unlock_irq(&phba
->hbalock
);
4374 /* If the FCF has been in discovered state, do nothing. */
4375 if (phba
->fcf
.fcf_flag
& FCF_SCAN_DONE
) {
4376 spin_unlock_irq(&phba
->hbalock
);
4379 spin_unlock_irq(&phba
->hbalock
);
4381 /* Otherwise, scan the entire FCF table and re-discover SAN */
4382 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4383 "2770 Start FCF table scan per async FCF "
4384 "event, evt_tag:x%x, index:x%x\n",
4385 acqe_fip
->event_tag
, acqe_fip
->index
);
4386 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
4387 LPFC_FCOE_FCF_GET_FIRST
);
4389 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4390 "2547 Issue FCF scan read FCF mailbox "
4391 "command failed (x%x)\n", rc
);
4394 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL
:
4395 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4396 "2548 FCF Table full count 0x%x tag 0x%x\n",
4397 bf_get(lpfc_acqe_fip_fcf_count
, acqe_fip
),
4398 acqe_fip
->event_tag
);
4401 case LPFC_FIP_EVENT_TYPE_FCF_DEAD
:
4402 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
4403 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4404 "2549 FCF (x%x) disconnected from network, "
4405 "tag:x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
4407 * If we are in the middle of FCF failover process, clear
4408 * the corresponding FCF bit in the roundrobin bitmap.
4410 spin_lock_irq(&phba
->hbalock
);
4411 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4412 spin_unlock_irq(&phba
->hbalock
);
4413 /* Update FLOGI FCF failover eligible FCF bmask */
4414 lpfc_sli4_fcf_rr_index_clear(phba
, acqe_fip
->index
);
4417 spin_unlock_irq(&phba
->hbalock
);
4419 /* If the event is not for currently used fcf do nothing */
4420 if (phba
->fcf
.current_rec
.fcf_indx
!= acqe_fip
->index
)
4424 * Otherwise, request the port to rediscover the entire FCF
4425 * table for a fast recovery from case that the current FCF
4426 * is no longer valid as we are not in the middle of FCF
4427 * failover process already.
4429 spin_lock_irq(&phba
->hbalock
);
4430 /* Mark the fast failover process in progress */
4431 phba
->fcf
.fcf_flag
|= FCF_DEAD_DISC
;
4432 spin_unlock_irq(&phba
->hbalock
);
4434 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4435 "2771 Start FCF fast failover process due to "
4436 "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
4437 "\n", acqe_fip
->event_tag
, acqe_fip
->index
);
4438 rc
= lpfc_sli4_redisc_fcf_table(phba
);
4440 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4442 "2772 Issue FCF rediscover mabilbox "
4443 "command failed, fail through to FCF "
4445 spin_lock_irq(&phba
->hbalock
);
4446 phba
->fcf
.fcf_flag
&= ~FCF_DEAD_DISC
;
4447 spin_unlock_irq(&phba
->hbalock
);
4449 * Last resort will fail over by treating this
4450 * as a link down to FCF registration.
4452 lpfc_sli4_fcf_dead_failthrough(phba
);
4454 /* Reset FCF roundrobin bmask for new discovery */
4455 lpfc_sli4_clear_fcf_rr_bmask(phba
);
4457 * Handling fast FCF failover to a DEAD FCF event is
4458 * considered equalivant to receiving CVL to all vports.
4460 lpfc_sli4_perform_all_vport_cvl(phba
);
4463 case LPFC_FIP_EVENT_TYPE_CVL
:
4464 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
4465 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4466 "2718 Clear Virtual Link Received for VPI 0x%x"
4467 " tag 0x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
4469 vport
= lpfc_find_vport_by_vpid(phba
,
4471 ndlp
= lpfc_sli4_perform_vport_cvl(vport
);
4474 active_vlink_present
= 0;
4476 vports
= lpfc_create_vport_work_array(phba
);
4478 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
;
4480 if ((!(vports
[i
]->fc_flag
&
4481 FC_VPORT_CVL_RCVD
)) &&
4482 (vports
[i
]->port_state
> LPFC_FDISC
)) {
4483 active_vlink_present
= 1;
4487 lpfc_destroy_vport_work_array(phba
, vports
);
4491 * Don't re-instantiate if vport is marked for deletion.
4492 * If we are here first then vport_delete is going to wait
4493 * for discovery to complete.
4495 if (!(vport
->load_flag
& FC_UNLOADING
) &&
4496 active_vlink_present
) {
4498 * If there are other active VLinks present,
4499 * re-instantiate the Vlink using FDISC.
4501 mod_timer(&ndlp
->nlp_delayfunc
,
4502 jiffies
+ msecs_to_jiffies(1000));
4503 shost
= lpfc_shost_from_vport(vport
);
4504 spin_lock_irq(shost
->host_lock
);
4505 ndlp
->nlp_flag
|= NLP_DELAY_TMO
;
4506 spin_unlock_irq(shost
->host_lock
);
4507 ndlp
->nlp_last_elscmd
= ELS_CMD_FDISC
;
4508 vport
->port_state
= LPFC_FDISC
;
4511 * Otherwise, we request port to rediscover
4512 * the entire FCF table for a fast recovery
4513 * from possible case that the current FCF
4514 * is no longer valid if we are not already
4515 * in the FCF failover process.
4517 spin_lock_irq(&phba
->hbalock
);
4518 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4519 spin_unlock_irq(&phba
->hbalock
);
4522 /* Mark the fast failover process in progress */
4523 phba
->fcf
.fcf_flag
|= FCF_ACVL_DISC
;
4524 spin_unlock_irq(&phba
->hbalock
);
4525 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
4527 "2773 Start FCF failover per CVL, "
4528 "evt_tag:x%x\n", acqe_fip
->event_tag
);
4529 rc
= lpfc_sli4_redisc_fcf_table(phba
);
4531 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4533 "2774 Issue FCF rediscover "
4534 "mabilbox command failed, "
4535 "through to CVL event\n");
4536 spin_lock_irq(&phba
->hbalock
);
4537 phba
->fcf
.fcf_flag
&= ~FCF_ACVL_DISC
;
4538 spin_unlock_irq(&phba
->hbalock
);
4540 * Last resort will be re-try on the
4541 * the current registered FCF entry.
4543 lpfc_retry_pport_discovery(phba
);
4546 * Reset FCF roundrobin bmask for new
4549 lpfc_sli4_clear_fcf_rr_bmask(phba
);
4553 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4554 "0288 Unknown FCoE event type 0x%x event tag "
4555 "0x%x\n", event_type
, acqe_fip
->event_tag
);
4561 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
4562 * @phba: pointer to lpfc hba data structure.
4563 * @acqe_link: pointer to the async dcbx completion queue entry.
4565 * This routine is to handle the SLI4 asynchronous dcbx event.
4568 lpfc_sli4_async_dcbx_evt(struct lpfc_hba
*phba
,
4569 struct lpfc_acqe_dcbx
*acqe_dcbx
)
4571 phba
->fc_eventTag
= acqe_dcbx
->event_tag
;
4572 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4573 "0290 The SLI4 DCBX asynchronous event is not "
4578 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
4579 * @phba: pointer to lpfc hba data structure.
4580 * @acqe_link: pointer to the async grp5 completion queue entry.
4582 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
4583 * is an asynchronous notified of a logical link speed change. The Port
4584 * reports the logical link speed in units of 10Mbps.
4587 lpfc_sli4_async_grp5_evt(struct lpfc_hba
*phba
,
4588 struct lpfc_acqe_grp5
*acqe_grp5
)
4590 uint16_t prev_ll_spd
;
4592 phba
->fc_eventTag
= acqe_grp5
->event_tag
;
4593 phba
->fcoe_eventtag
= acqe_grp5
->event_tag
;
4594 prev_ll_spd
= phba
->sli4_hba
.link_state
.logical_speed
;
4595 phba
->sli4_hba
.link_state
.logical_speed
=
4596 (bf_get(lpfc_acqe_grp5_llink_spd
, acqe_grp5
)) * 10;
4597 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4598 "2789 GRP5 Async Event: Updating logical link speed "
4599 "from %dMbps to %dMbps\n", prev_ll_spd
,
4600 phba
->sli4_hba
.link_state
.logical_speed
);
4604 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
4605 * @phba: pointer to lpfc hba data structure.
4607 * This routine is invoked by the worker thread to process all the pending
4608 * SLI4 asynchronous events.
4610 void lpfc_sli4_async_event_proc(struct lpfc_hba
*phba
)
4612 struct lpfc_cq_event
*cq_event
;
4614 /* First, declare the async event has been handled */
4615 spin_lock_irq(&phba
->hbalock
);
4616 phba
->hba_flag
&= ~ASYNC_EVENT
;
4617 spin_unlock_irq(&phba
->hbalock
);
4618 /* Now, handle all the async events */
4619 while (!list_empty(&phba
->sli4_hba
.sp_asynce_work_queue
)) {
4620 /* Get the first event from the head of the event queue */
4621 spin_lock_irq(&phba
->hbalock
);
4622 list_remove_head(&phba
->sli4_hba
.sp_asynce_work_queue
,
4623 cq_event
, struct lpfc_cq_event
, list
);
4624 spin_unlock_irq(&phba
->hbalock
);
4625 /* Process the asynchronous event */
4626 switch (bf_get(lpfc_trailer_code
, &cq_event
->cqe
.mcqe_cmpl
)) {
4627 case LPFC_TRAILER_CODE_LINK
:
4628 lpfc_sli4_async_link_evt(phba
,
4629 &cq_event
->cqe
.acqe_link
);
4631 case LPFC_TRAILER_CODE_FCOE
:
4632 lpfc_sli4_async_fip_evt(phba
, &cq_event
->cqe
.acqe_fip
);
4634 case LPFC_TRAILER_CODE_DCBX
:
4635 lpfc_sli4_async_dcbx_evt(phba
,
4636 &cq_event
->cqe
.acqe_dcbx
);
4638 case LPFC_TRAILER_CODE_GRP5
:
4639 lpfc_sli4_async_grp5_evt(phba
,
4640 &cq_event
->cqe
.acqe_grp5
);
4642 case LPFC_TRAILER_CODE_FC
:
4643 lpfc_sli4_async_fc_evt(phba
, &cq_event
->cqe
.acqe_fc
);
4645 case LPFC_TRAILER_CODE_SLI
:
4646 lpfc_sli4_async_sli_evt(phba
, &cq_event
->cqe
.acqe_sli
);
4649 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4650 "1804 Invalid asynchrous event code: "
4651 "x%x\n", bf_get(lpfc_trailer_code
,
4652 &cq_event
->cqe
.mcqe_cmpl
));
4655 /* Free the completion event processed to the free pool */
4656 lpfc_sli4_cq_event_release(phba
, cq_event
);
4661 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
4662 * @phba: pointer to lpfc hba data structure.
4664 * This routine is invoked by the worker thread to process FCF table
4665 * rediscovery pending completion event.
4667 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba
*phba
)
4671 spin_lock_irq(&phba
->hbalock
);
4672 /* Clear FCF rediscovery timeout event */
4673 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_EVT
;
4674 /* Clear driver fast failover FCF record flag */
4675 phba
->fcf
.failover_rec
.flag
= 0;
4676 /* Set state for FCF fast failover */
4677 phba
->fcf
.fcf_flag
|= FCF_REDISC_FOV
;
4678 spin_unlock_irq(&phba
->hbalock
);
4680 /* Scan FCF table from the first entry to re-discover SAN */
4681 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4682 "2777 Start post-quiescent FCF table scan\n");
4683 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
, LPFC_FCOE_FCF_GET_FIRST
);
4685 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4686 "2747 Issue FCF scan read FCF mailbox "
4687 "command failed 0x%x\n", rc
);
4691 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
4692 * @phba: pointer to lpfc hba data structure.
4693 * @dev_grp: The HBA PCI-Device group number.
4695 * This routine is invoked to set up the per HBA PCI-Device group function
4696 * API jump table entries.
4698 * Return: 0 if success, otherwise -ENODEV
4701 lpfc_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
4705 /* Set up lpfc PCI-device group */
4706 phba
->pci_dev_grp
= dev_grp
;
4708 /* The LPFC_PCI_DEV_OC uses SLI4 */
4709 if (dev_grp
== LPFC_PCI_DEV_OC
)
4710 phba
->sli_rev
= LPFC_SLI_REV4
;
4712 /* Set up device INIT API function jump table */
4713 rc
= lpfc_init_api_table_setup(phba
, dev_grp
);
4716 /* Set up SCSI API function jump table */
4717 rc
= lpfc_scsi_api_table_setup(phba
, dev_grp
);
4720 /* Set up SLI API function jump table */
4721 rc
= lpfc_sli_api_table_setup(phba
, dev_grp
);
4724 /* Set up MBOX API function jump table */
4725 rc
= lpfc_mbox_api_table_setup(phba
, dev_grp
);
4733 * lpfc_log_intr_mode - Log the active interrupt mode
4734 * @phba: pointer to lpfc hba data structure.
4735 * @intr_mode: active interrupt mode adopted.
4737 * This routine it invoked to log the currently used active interrupt mode
4740 static void lpfc_log_intr_mode(struct lpfc_hba
*phba
, uint32_t intr_mode
)
4742 switch (intr_mode
) {
4744 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4745 "0470 Enable INTx interrupt mode.\n");
4748 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4749 "0481 Enabled MSI interrupt mode.\n");
4752 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4753 "0480 Enabled MSI-X interrupt mode.\n");
4756 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4757 "0482 Illegal interrupt mode.\n");
4764 * lpfc_enable_pci_dev - Enable a generic PCI device.
4765 * @phba: pointer to lpfc hba data structure.
4767 * This routine is invoked to enable the PCI device that is common to all
4772 * other values - error
4775 lpfc_enable_pci_dev(struct lpfc_hba
*phba
)
4777 struct pci_dev
*pdev
;
4779 /* Obtain PCI device reference */
4783 pdev
= phba
->pcidev
;
4784 /* Enable PCI device */
4785 if (pci_enable_device_mem(pdev
))
4787 /* Request PCI resource for the device */
4788 if (pci_request_mem_regions(pdev
, LPFC_DRIVER_NAME
))
4789 goto out_disable_device
;
4790 /* Set up device as PCI master and save state for EEH */
4791 pci_set_master(pdev
);
4792 pci_try_set_mwi(pdev
);
4793 pci_save_state(pdev
);
4795 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
4796 if (pci_is_pcie(pdev
))
4797 pdev
->needs_freset
= 1;
4802 pci_disable_device(pdev
);
4804 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4805 "1401 Failed to enable pci device\n");
4810 * lpfc_disable_pci_dev - Disable a generic PCI device.
4811 * @phba: pointer to lpfc hba data structure.
4813 * This routine is invoked to disable the PCI device that is common to all
4817 lpfc_disable_pci_dev(struct lpfc_hba
*phba
)
4819 struct pci_dev
*pdev
;
4821 /* Obtain PCI device reference */
4825 pdev
= phba
->pcidev
;
4826 /* Release PCI resource and disable PCI device */
4827 pci_release_mem_regions(pdev
);
4828 pci_disable_device(pdev
);
4834 * lpfc_reset_hba - Reset a hba
4835 * @phba: pointer to lpfc hba data structure.
4837 * This routine is invoked to reset a hba device. It brings the HBA
4838 * offline, performs a board restart, and then brings the board back
4839 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
4840 * on outstanding mailbox commands.
4843 lpfc_reset_hba(struct lpfc_hba
*phba
)
4845 /* If resets are disabled then set error state and return. */
4846 if (!phba
->cfg_enable_hba_reset
) {
4847 phba
->link_state
= LPFC_HBA_ERROR
;
4850 if (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)
4851 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
4853 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
4855 lpfc_sli_brdrestart(phba
);
4857 lpfc_unblock_mgmt_io(phba
);
4861 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
4862 * @phba: pointer to lpfc hba data structure.
4864 * This function enables the PCI SR-IOV virtual functions to a physical
4865 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4866 * enable the number of virtual functions to the physical function. As
4867 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4868 * API call does not considered as an error condition for most of the device.
4871 lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba
*phba
)
4873 struct pci_dev
*pdev
= phba
->pcidev
;
4877 pos
= pci_find_ext_capability(pdev
, PCI_EXT_CAP_ID_SRIOV
);
4881 pci_read_config_word(pdev
, pos
+ PCI_SRIOV_TOTAL_VF
, &nr_virtfn
);
4886 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
4887 * @phba: pointer to lpfc hba data structure.
4888 * @nr_vfn: number of virtual functions to be enabled.
4890 * This function enables the PCI SR-IOV virtual functions to a physical
4891 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4892 * enable the number of virtual functions to the physical function. As
4893 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4894 * API call does not considered as an error condition for most of the device.
4897 lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba
*phba
, int nr_vfn
)
4899 struct pci_dev
*pdev
= phba
->pcidev
;
4900 uint16_t max_nr_vfn
;
4903 max_nr_vfn
= lpfc_sli_sriov_nr_virtfn_get(phba
);
4904 if (nr_vfn
> max_nr_vfn
) {
4905 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4906 "3057 Requested vfs (%d) greater than "
4907 "supported vfs (%d)", nr_vfn
, max_nr_vfn
);
4911 rc
= pci_enable_sriov(pdev
, nr_vfn
);
4913 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4914 "2806 Failed to enable sriov on this device "
4915 "with vfn number nr_vf:%d, rc:%d\n",
4918 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4919 "2807 Successful enable sriov on this device "
4920 "with vfn number nr_vf:%d\n", nr_vfn
);
4925 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
4926 * @phba: pointer to lpfc hba data structure.
4928 * This routine is invoked to set up the driver internal resources specific to
4929 * support the SLI-3 HBA device it attached to.
4933 * other values - error
4936 lpfc_sli_driver_resource_setup(struct lpfc_hba
*phba
)
4938 struct lpfc_sli
*psli
;
4942 * Initialize timers used by driver
4945 /* Heartbeat timer */
4946 init_timer(&phba
->hb_tmofunc
);
4947 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4948 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4951 /* MBOX heartbeat timer */
4952 init_timer(&psli
->mbox_tmo
);
4953 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4954 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4955 /* FCP polling mode timer */
4956 init_timer(&phba
->fcp_poll_timer
);
4957 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
4958 phba
->fcp_poll_timer
.data
= (unsigned long) phba
;
4959 /* Fabric block timer */
4960 init_timer(&phba
->fabric_block_timer
);
4961 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4962 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4963 /* EA polling mode timer */
4964 init_timer(&phba
->eratt_poll
);
4965 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4966 phba
->eratt_poll
.data
= (unsigned long) phba
;
4968 /* Host attention work mask setup */
4969 phba
->work_ha_mask
= (HA_ERATT
| HA_MBATT
| HA_LATT
);
4970 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
4972 /* Get all the module params for configuring this host */
4973 lpfc_get_cfgparam(phba
);
4974 if (phba
->pcidev
->device
== PCI_DEVICE_ID_HORNET
) {
4975 phba
->menlo_flag
|= HBA_MENLO_SUPPORT
;
4976 /* check for menlo minimum sg count */
4977 if (phba
->cfg_sg_seg_cnt
< LPFC_DEFAULT_MENLO_SG_SEG_CNT
)
4978 phba
->cfg_sg_seg_cnt
= LPFC_DEFAULT_MENLO_SG_SEG_CNT
;
4981 if (!phba
->sli
.ring
)
4982 phba
->sli
.ring
= kzalloc(LPFC_SLI3_MAX_RING
*
4983 sizeof(struct lpfc_sli_ring
), GFP_KERNEL
);
4984 if (!phba
->sli
.ring
)
4988 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
4989 * used to create the sg_dma_buf_pool must be dynamically calculated.
4992 /* Initialize the host templates the configured values. */
4993 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4994 lpfc_template_s3
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4996 /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */
4997 if (phba
->cfg_enable_bg
) {
4999 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
5000 * the FCP rsp, and a BDE for each. Sice we have no control
5001 * over how many protection data segments the SCSI Layer
5002 * will hand us (ie: there could be one for every block
5003 * in the IO), we just allocate enough BDEs to accomidate
5004 * our max amount and we need to limit lpfc_sg_seg_cnt to
5005 * minimize the risk of running out.
5007 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
5008 sizeof(struct fcp_rsp
) +
5009 (LPFC_MAX_SG_SEG_CNT
* sizeof(struct ulp_bde64
));
5011 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SG_SEG_CNT_DIF
)
5012 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SEG_CNT_DIF
;
5014 /* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */
5015 phba
->cfg_total_seg_cnt
= LPFC_MAX_SG_SEG_CNT
;
5018 * The scsi_buf for a regular I/O will hold the FCP cmnd,
5019 * the FCP rsp, a BDE for each, and a BDE for up to
5020 * cfg_sg_seg_cnt data segments.
5022 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
5023 sizeof(struct fcp_rsp
) +
5024 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct ulp_bde64
));
5026 /* Total BDEs in BPL for scsi_sg_list */
5027 phba
->cfg_total_seg_cnt
= phba
->cfg_sg_seg_cnt
+ 2;
5030 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
| LOG_FCP
,
5031 "9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n",
5032 phba
->cfg_sg_seg_cnt
, phba
->cfg_sg_dma_buf_size
,
5033 phba
->cfg_total_seg_cnt
);
5035 phba
->max_vpi
= LPFC_MAX_VPI
;
5036 /* This will be set to correct value after config_port mbox */
5037 phba
->max_vports
= 0;
5040 * Initialize the SLI Layer to run with lpfc HBAs.
5042 lpfc_sli_setup(phba
);
5043 lpfc_sli_queue_setup(phba
);
5045 /* Allocate device driver memory */
5046 if (lpfc_mem_alloc(phba
, BPL_ALIGN_SZ
))
5050 * Enable sr-iov virtual functions if supported and configured
5051 * through the module parameter.
5053 if (phba
->cfg_sriov_nr_virtfn
> 0) {
5054 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
5055 phba
->cfg_sriov_nr_virtfn
);
5057 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5058 "2808 Requested number of SR-IOV "
5059 "virtual functions (%d) is not "
5061 phba
->cfg_sriov_nr_virtfn
);
5062 phba
->cfg_sriov_nr_virtfn
= 0;
5070 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
5071 * @phba: pointer to lpfc hba data structure.
5073 * This routine is invoked to unset the driver internal resources set up
5074 * specific for supporting the SLI-3 HBA device it attached to.
5077 lpfc_sli_driver_resource_unset(struct lpfc_hba
*phba
)
5079 /* Free device driver memory allocated */
5080 lpfc_mem_free_all(phba
);
5086 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
5087 * @phba: pointer to lpfc hba data structure.
5089 * This routine is invoked to set up the driver internal resources specific to
5090 * support the SLI-4 HBA device it attached to.
5094 * other values - error
5097 lpfc_sli4_driver_resource_setup(struct lpfc_hba
*phba
)
5099 struct lpfc_vector_map_info
*cpup
;
5100 struct lpfc_sli
*psli
;
5101 LPFC_MBOXQ_t
*mboxq
;
5102 int rc
, i
, hbq_count
, max_buf_size
;
5103 uint8_t pn_page
[LPFC_MAX_SUPPORTED_PAGES
] = {0};
5104 struct lpfc_mqe
*mqe
;
5106 int fof_vectors
= 0;
5108 /* Get all the module params for configuring this host */
5109 lpfc_get_cfgparam(phba
);
5111 /* Before proceed, wait for POST done and device ready */
5112 rc
= lpfc_sli4_post_status_check(phba
);
5117 * Initialize timers used by driver
5120 /* Heartbeat timer */
5121 init_timer(&phba
->hb_tmofunc
);
5122 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
5123 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
5124 init_timer(&phba
->rrq_tmr
);
5125 phba
->rrq_tmr
.function
= lpfc_rrq_timeout
;
5126 phba
->rrq_tmr
.data
= (unsigned long)phba
;
5129 /* MBOX heartbeat timer */
5130 init_timer(&psli
->mbox_tmo
);
5131 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
5132 psli
->mbox_tmo
.data
= (unsigned long) phba
;
5133 /* Fabric block timer */
5134 init_timer(&phba
->fabric_block_timer
);
5135 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
5136 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
5137 /* EA polling mode timer */
5138 init_timer(&phba
->eratt_poll
);
5139 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
5140 phba
->eratt_poll
.data
= (unsigned long) phba
;
5141 /* FCF rediscover timer */
5142 init_timer(&phba
->fcf
.redisc_wait
);
5143 phba
->fcf
.redisc_wait
.function
= lpfc_sli4_fcf_redisc_wait_tmo
;
5144 phba
->fcf
.redisc_wait
.data
= (unsigned long)phba
;
5147 * Control structure for handling external multi-buffer mailbox
5148 * command pass-through.
5150 memset((uint8_t *)&phba
->mbox_ext_buf_ctx
, 0,
5151 sizeof(struct lpfc_mbox_ext_buf_ctx
));
5152 INIT_LIST_HEAD(&phba
->mbox_ext_buf_ctx
.ext_dmabuf_list
);
5154 phba
->max_vpi
= LPFC_MAX_VPI
;
5156 /* This will be set to correct value after the read_config mbox */
5157 phba
->max_vports
= 0;
5159 /* Program the default value of vlan_id and fc_map */
5160 phba
->valid_vlan
= 0;
5161 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
5162 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
5163 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
5166 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
5167 * we will associate a new ring, for each FCP fastpath EQ/CQ/WQ tuple.
5169 if (!phba
->sli
.ring
)
5170 phba
->sli
.ring
= kzalloc(
5171 (LPFC_SLI3_MAX_RING
+ phba
->cfg_fcp_io_channel
) *
5172 sizeof(struct lpfc_sli_ring
), GFP_KERNEL
);
5173 if (!phba
->sli
.ring
)
5177 * It doesn't matter what family our adapter is in, we are
5178 * limited to 2 Pages, 512 SGEs, for our SGL.
5179 * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp
5181 max_buf_size
= (2 * SLI4_PAGE_SIZE
);
5182 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SGL_SEG_CNT
- 2)
5183 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SGL_SEG_CNT
- 2;
5186 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
5187 * used to create the sg_dma_buf_pool must be dynamically calculated.
5190 if (phba
->cfg_enable_bg
) {
5192 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
5193 * the FCP rsp, and a SGE for each. Sice we have no control
5194 * over how many protection data segments the SCSI Layer
5195 * will hand us (ie: there could be one for every block
5196 * in the IO), we just allocate enough SGEs to accomidate
5197 * our max amount and we need to limit lpfc_sg_seg_cnt to
5198 * minimize the risk of running out.
5200 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
5201 sizeof(struct fcp_rsp
) + max_buf_size
;
5203 /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */
5204 phba
->cfg_total_seg_cnt
= LPFC_MAX_SGL_SEG_CNT
;
5206 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SG_SLI4_SEG_CNT_DIF
)
5207 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SLI4_SEG_CNT_DIF
;
5210 * The scsi_buf for a regular I/O will hold the FCP cmnd,
5211 * the FCP rsp, a SGE for each, and a SGE for up to
5212 * cfg_sg_seg_cnt data segments.
5214 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
5215 sizeof(struct fcp_rsp
) +
5216 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct sli4_sge
));
5218 /* Total SGEs for scsi_sg_list */
5219 phba
->cfg_total_seg_cnt
= phba
->cfg_sg_seg_cnt
+ 2;
5221 * NOTE: if (phba->cfg_sg_seg_cnt + 2) <= 256 we only need
5222 * to post 1 page for the SGL.
5226 /* Initialize the host templates with the updated values. */
5227 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5228 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5230 if (phba
->cfg_sg_dma_buf_size
<= LPFC_MIN_SG_SLI4_BUF_SZ
)
5231 phba
->cfg_sg_dma_buf_size
= LPFC_MIN_SG_SLI4_BUF_SZ
;
5233 phba
->cfg_sg_dma_buf_size
=
5234 SLI4_PAGE_ALIGN(phba
->cfg_sg_dma_buf_size
);
5236 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
| LOG_FCP
,
5237 "9087 sg_tablesize:%d dmabuf_size:%d total_sge:%d\n",
5238 phba
->cfg_sg_seg_cnt
, phba
->cfg_sg_dma_buf_size
,
5239 phba
->cfg_total_seg_cnt
);
5241 /* Initialize buffer queue management fields */
5242 hbq_count
= lpfc_sli_hbq_count();
5243 for (i
= 0; i
< hbq_count
; ++i
)
5244 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
5245 INIT_LIST_HEAD(&phba
->rb_pend_list
);
5246 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_sli4_rb_alloc
;
5247 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_sli4_rb_free
;
5250 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
5252 /* Initialize the Abort scsi buffer list used by driver */
5253 spin_lock_init(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
5254 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
5255 /* This abort list used by worker thread */
5256 spin_lock_init(&phba
->sli4_hba
.abts_sgl_list_lock
);
5259 * Initialize driver internal slow-path work queues
5262 /* Driver internel slow-path CQ Event pool */
5263 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_cqe_event_pool
);
5264 /* Response IOCB work queue list */
5265 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_queue_event
);
5266 /* Asynchronous event CQ Event work queue list */
5267 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_asynce_work_queue
);
5268 /* Fast-path XRI aborted CQ Event work queue list */
5269 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
5270 /* Slow-path XRI aborted CQ Event work queue list */
5271 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
5272 /* Receive queue CQ Event work queue list */
5273 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_unsol_work_queue
);
5275 /* Initialize extent block lists. */
5276 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_blk_list
);
5277 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_xri_blk_list
);
5278 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_vfi_blk_list
);
5279 INIT_LIST_HEAD(&phba
->lpfc_vpi_blk_list
);
5281 /* initialize optic_state to 0xFF */
5282 phba
->sli4_hba
.lnk_info
.optic_state
= 0xff;
5284 /* Initialize the driver internal SLI layer lists. */
5285 lpfc_sli_setup(phba
);
5286 lpfc_sli_queue_setup(phba
);
5288 /* Allocate device driver memory */
5289 rc
= lpfc_mem_alloc(phba
, SGL_ALIGN_SZ
);
5293 /* IF Type 2 ports get initialized now. */
5294 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
5295 LPFC_SLI_INTF_IF_TYPE_2
) {
5296 rc
= lpfc_pci_function_reset(phba
);
5299 phba
->temp_sensor_support
= 1;
5302 /* Create the bootstrap mailbox command */
5303 rc
= lpfc_create_bootstrap_mbox(phba
);
5307 /* Set up the host's endian order with the device. */
5308 rc
= lpfc_setup_endian_order(phba
);
5310 goto out_free_bsmbx
;
5312 /* Set up the hba's configuration parameters. */
5313 rc
= lpfc_sli4_read_config(phba
);
5315 goto out_free_bsmbx
;
5316 rc
= lpfc_mem_alloc_active_rrq_pool_s4(phba
);
5318 goto out_free_bsmbx
;
5320 /* IF Type 0 ports get initialized now. */
5321 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
5322 LPFC_SLI_INTF_IF_TYPE_0
) {
5323 rc
= lpfc_pci_function_reset(phba
);
5325 goto out_free_bsmbx
;
5328 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
5332 goto out_free_bsmbx
;
5335 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
5336 lpfc_supported_pages(mboxq
);
5337 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5339 mqe
= &mboxq
->u
.mqe
;
5340 memcpy(&pn_page
[0], ((uint8_t *)&mqe
->un
.supp_pages
.word3
),
5341 LPFC_MAX_SUPPORTED_PAGES
);
5342 for (i
= 0; i
< LPFC_MAX_SUPPORTED_PAGES
; i
++) {
5343 switch (pn_page
[i
]) {
5344 case LPFC_SLI4_PARAMETERS
:
5345 phba
->sli4_hba
.pc_sli4_params
.supported
= 1;
5351 /* Read the port's SLI4 Parameters capabilities if supported. */
5352 if (phba
->sli4_hba
.pc_sli4_params
.supported
)
5353 rc
= lpfc_pc_sli4_params_get(phba
, mboxq
);
5355 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5357 goto out_free_bsmbx
;
5361 * Get sli4 parameters that override parameters from Port capabilities.
5362 * If this call fails, it isn't critical unless the SLI4 parameters come
5365 rc
= lpfc_get_sli4_parameters(phba
, mboxq
);
5367 if (phba
->sli4_hba
.extents_in_use
&&
5368 phba
->sli4_hba
.rpi_hdrs_in_use
) {
5369 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5370 "2999 Unsupported SLI4 Parameters "
5371 "Extents and RPI headers enabled.\n");
5372 goto out_free_bsmbx
;
5375 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5377 /* Verify OAS is supported */
5378 lpfc_sli4_oas_verify(phba
);
5382 /* Verify all the SLI4 queues */
5383 rc
= lpfc_sli4_queue_verify(phba
);
5385 goto out_free_bsmbx
;
5387 /* Create driver internal CQE event pool */
5388 rc
= lpfc_sli4_cq_event_pool_create(phba
);
5390 goto out_free_bsmbx
;
5392 /* Initialize sgl lists per host */
5393 lpfc_init_sgl_list(phba
);
5395 /* Allocate and initialize active sgl array */
5396 rc
= lpfc_init_active_sgl_array(phba
);
5398 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5399 "1430 Failed to initialize sgl list.\n");
5400 goto out_destroy_cq_event_pool
;
5402 rc
= lpfc_sli4_init_rpi_hdrs(phba
);
5404 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5405 "1432 Failed to initialize rpi headers.\n");
5406 goto out_free_active_sgl
;
5409 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
5410 longs
= (LPFC_SLI4_FCF_TBL_INDX_MAX
+ BITS_PER_LONG
- 1)/BITS_PER_LONG
;
5411 phba
->fcf
.fcf_rr_bmask
= kzalloc(longs
* sizeof(unsigned long),
5413 if (!phba
->fcf
.fcf_rr_bmask
) {
5414 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5415 "2759 Failed allocate memory for FCF round "
5416 "robin failover bmask\n");
5418 goto out_remove_rpi_hdrs
;
5421 phba
->sli4_hba
.fcp_eq_hdl
=
5422 kzalloc((sizeof(struct lpfc_fcp_eq_hdl
) *
5423 (fof_vectors
+ phba
->cfg_fcp_io_channel
)),
5425 if (!phba
->sli4_hba
.fcp_eq_hdl
) {
5426 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5427 "2572 Failed allocate memory for "
5428 "fast-path per-EQ handle array\n");
5430 goto out_free_fcf_rr_bmask
;
5433 phba
->sli4_hba
.msix_entries
= kzalloc((sizeof(struct msix_entry
) *
5435 phba
->cfg_fcp_io_channel
)), GFP_KERNEL
);
5436 if (!phba
->sli4_hba
.msix_entries
) {
5437 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5438 "2573 Failed allocate memory for msi-x "
5439 "interrupt vector entries\n");
5441 goto out_free_fcp_eq_hdl
;
5444 phba
->sli4_hba
.cpu_map
= kzalloc((sizeof(struct lpfc_vector_map_info
) *
5445 phba
->sli4_hba
.num_present_cpu
),
5447 if (!phba
->sli4_hba
.cpu_map
) {
5448 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5449 "3327 Failed allocate memory for msi-x "
5450 "interrupt vector mapping\n");
5454 if (lpfc_used_cpu
== NULL
) {
5455 lpfc_used_cpu
= kzalloc((sizeof(uint16_t) * lpfc_present_cpu
),
5457 if (!lpfc_used_cpu
) {
5458 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5459 "3335 Failed allocate memory for msi-x "
5460 "interrupt vector mapping\n");
5461 kfree(phba
->sli4_hba
.cpu_map
);
5465 for (i
= 0; i
< lpfc_present_cpu
; i
++)
5466 lpfc_used_cpu
[i
] = LPFC_VECTOR_MAP_EMPTY
;
5469 /* Initialize io channels for round robin */
5470 cpup
= phba
->sli4_hba
.cpu_map
;
5472 for (i
= 0; i
< phba
->sli4_hba
.num_present_cpu
; i
++) {
5473 cpup
->channel_id
= rc
;
5475 if (rc
>= phba
->cfg_fcp_io_channel
)
5480 * Enable sr-iov virtual functions if supported and configured
5481 * through the module parameter.
5483 if (phba
->cfg_sriov_nr_virtfn
> 0) {
5484 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
5485 phba
->cfg_sriov_nr_virtfn
);
5487 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5488 "3020 Requested number of SR-IOV "
5489 "virtual functions (%d) is not "
5491 phba
->cfg_sriov_nr_virtfn
);
5492 phba
->cfg_sriov_nr_virtfn
= 0;
5499 kfree(phba
->sli4_hba
.msix_entries
);
5500 out_free_fcp_eq_hdl
:
5501 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
5502 out_free_fcf_rr_bmask
:
5503 kfree(phba
->fcf
.fcf_rr_bmask
);
5504 out_remove_rpi_hdrs
:
5505 lpfc_sli4_remove_rpi_hdrs(phba
);
5506 out_free_active_sgl
:
5507 lpfc_free_active_sgl(phba
);
5508 out_destroy_cq_event_pool
:
5509 lpfc_sli4_cq_event_pool_destroy(phba
);
5511 lpfc_destroy_bootstrap_mbox(phba
);
5513 lpfc_mem_free(phba
);
5518 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
5519 * @phba: pointer to lpfc hba data structure.
5521 * This routine is invoked to unset the driver internal resources set up
5522 * specific for supporting the SLI-4 HBA device it attached to.
5525 lpfc_sli4_driver_resource_unset(struct lpfc_hba
*phba
)
5527 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
5529 /* Free memory allocated for msi-x interrupt vector to CPU mapping */
5530 kfree(phba
->sli4_hba
.cpu_map
);
5531 phba
->sli4_hba
.num_present_cpu
= 0;
5532 phba
->sli4_hba
.num_online_cpu
= 0;
5533 phba
->sli4_hba
.curr_disp_cpu
= 0;
5535 /* Free memory allocated for msi-x interrupt vector entries */
5536 kfree(phba
->sli4_hba
.msix_entries
);
5538 /* Free memory allocated for fast-path work queue handles */
5539 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
5541 /* Free the allocated rpi headers. */
5542 lpfc_sli4_remove_rpi_hdrs(phba
);
5543 lpfc_sli4_remove_rpis(phba
);
5545 /* Free eligible FCF index bmask */
5546 kfree(phba
->fcf
.fcf_rr_bmask
);
5548 /* Free the ELS sgl list */
5549 lpfc_free_active_sgl(phba
);
5550 lpfc_free_els_sgl_list(phba
);
5552 /* Free the completion queue EQ event pool */
5553 lpfc_sli4_cq_event_release_all(phba
);
5554 lpfc_sli4_cq_event_pool_destroy(phba
);
5556 /* Release resource identifiers. */
5557 lpfc_sli4_dealloc_resource_identifiers(phba
);
5559 /* Free the bsmbx region. */
5560 lpfc_destroy_bootstrap_mbox(phba
);
5562 /* Free the SLI Layer memory with SLI4 HBAs */
5563 lpfc_mem_free_all(phba
);
5565 /* Free the current connect table */
5566 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
5567 &phba
->fcf_conn_rec_list
, list
) {
5568 list_del_init(&conn_entry
->list
);
5576 * lpfc_init_api_table_setup - Set up init api function jump table
5577 * @phba: The hba struct for which this call is being executed.
5578 * @dev_grp: The HBA PCI-Device group number.
5580 * This routine sets up the device INIT interface API function jump table
5583 * Returns: 0 - success, -ENODEV - failure.
5586 lpfc_init_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
5588 phba
->lpfc_hba_init_link
= lpfc_hba_init_link
;
5589 phba
->lpfc_hba_down_link
= lpfc_hba_down_link
;
5590 phba
->lpfc_selective_reset
= lpfc_selective_reset
;
5592 case LPFC_PCI_DEV_LP
:
5593 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s3
;
5594 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s3
;
5595 phba
->lpfc_stop_port
= lpfc_stop_port_s3
;
5597 case LPFC_PCI_DEV_OC
:
5598 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s4
;
5599 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s4
;
5600 phba
->lpfc_stop_port
= lpfc_stop_port_s4
;
5603 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5604 "1431 Invalid HBA PCI-device group: 0x%x\n",
5613 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
5614 * @phba: pointer to lpfc hba data structure.
5616 * This routine is invoked to set up the driver internal resources before the
5617 * device specific resource setup to support the HBA device it attached to.
5621 * other values - error
5624 lpfc_setup_driver_resource_phase1(struct lpfc_hba
*phba
)
5627 * Driver resources common to all SLI revisions
5629 atomic_set(&phba
->fast_event_count
, 0);
5630 spin_lock_init(&phba
->hbalock
);
5632 /* Initialize ndlp management spinlock */
5633 spin_lock_init(&phba
->ndlp_lock
);
5635 INIT_LIST_HEAD(&phba
->port_list
);
5636 INIT_LIST_HEAD(&phba
->work_list
);
5637 init_waitqueue_head(&phba
->wait_4_mlo_m_q
);
5639 /* Initialize the wait queue head for the kernel thread */
5640 init_waitqueue_head(&phba
->work_waitq
);
5642 /* Initialize the scsi buffer list used by driver for scsi IO */
5643 spin_lock_init(&phba
->scsi_buf_list_get_lock
);
5644 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_get
);
5645 spin_lock_init(&phba
->scsi_buf_list_put_lock
);
5646 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_put
);
5648 /* Initialize the fabric iocb list */
5649 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
5651 /* Initialize list to save ELS buffers */
5652 INIT_LIST_HEAD(&phba
->elsbuf
);
5654 /* Initialize FCF connection rec list */
5655 INIT_LIST_HEAD(&phba
->fcf_conn_rec_list
);
5657 /* Initialize OAS configuration list */
5658 spin_lock_init(&phba
->devicelock
);
5659 INIT_LIST_HEAD(&phba
->luns
);
5665 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
5666 * @phba: pointer to lpfc hba data structure.
5668 * This routine is invoked to set up the driver internal resources after the
5669 * device specific resource setup to support the HBA device it attached to.
5673 * other values - error
5676 lpfc_setup_driver_resource_phase2(struct lpfc_hba
*phba
)
5680 /* Startup the kernel thread for this host adapter. */
5681 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
5682 "lpfc_worker_%d", phba
->brd_no
);
5683 if (IS_ERR(phba
->worker_thread
)) {
5684 error
= PTR_ERR(phba
->worker_thread
);
5692 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
5693 * @phba: pointer to lpfc hba data structure.
5695 * This routine is invoked to unset the driver internal resources set up after
5696 * the device specific resource setup for supporting the HBA device it
5700 lpfc_unset_driver_resource_phase2(struct lpfc_hba
*phba
)
5702 /* Stop kernel worker thread */
5703 kthread_stop(phba
->worker_thread
);
5707 * lpfc_free_iocb_list - Free iocb list.
5708 * @phba: pointer to lpfc hba data structure.
5710 * This routine is invoked to free the driver's IOCB list and memory.
5713 lpfc_free_iocb_list(struct lpfc_hba
*phba
)
5715 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
5717 spin_lock_irq(&phba
->hbalock
);
5718 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
5719 &phba
->lpfc_iocb_list
, list
) {
5720 list_del(&iocbq_entry
->list
);
5722 phba
->total_iocbq_bufs
--;
5724 spin_unlock_irq(&phba
->hbalock
);
5730 * lpfc_init_iocb_list - Allocate and initialize iocb list.
5731 * @phba: pointer to lpfc hba data structure.
5733 * This routine is invoked to allocate and initizlize the driver's IOCB
5734 * list and set up the IOCB tag array accordingly.
5738 * other values - error
5741 lpfc_init_iocb_list(struct lpfc_hba
*phba
, int iocb_count
)
5743 struct lpfc_iocbq
*iocbq_entry
= NULL
;
5747 /* Initialize and populate the iocb list per host. */
5748 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
5749 for (i
= 0; i
< iocb_count
; i
++) {
5750 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
5751 if (iocbq_entry
== NULL
) {
5752 printk(KERN_ERR
"%s: only allocated %d iocbs of "
5753 "expected %d count. Unloading driver.\n",
5754 __func__
, i
, LPFC_IOCB_LIST_CNT
);
5755 goto out_free_iocbq
;
5758 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
5761 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
5762 "Unloading driver.\n", __func__
);
5763 goto out_free_iocbq
;
5765 iocbq_entry
->sli4_lxritag
= NO_XRI
;
5766 iocbq_entry
->sli4_xritag
= NO_XRI
;
5768 spin_lock_irq(&phba
->hbalock
);
5769 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
5770 phba
->total_iocbq_bufs
++;
5771 spin_unlock_irq(&phba
->hbalock
);
5777 lpfc_free_iocb_list(phba
);
5783 * lpfc_free_sgl_list - Free a given sgl list.
5784 * @phba: pointer to lpfc hba data structure.
5785 * @sglq_list: pointer to the head of sgl list.
5787 * This routine is invoked to free a give sgl list and memory.
5790 lpfc_free_sgl_list(struct lpfc_hba
*phba
, struct list_head
*sglq_list
)
5792 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
5794 list_for_each_entry_safe(sglq_entry
, sglq_next
, sglq_list
, list
) {
5795 list_del(&sglq_entry
->list
);
5796 lpfc_mbuf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
5802 * lpfc_free_els_sgl_list - Free els sgl list.
5803 * @phba: pointer to lpfc hba data structure.
5805 * This routine is invoked to free the driver's els sgl list and memory.
5808 lpfc_free_els_sgl_list(struct lpfc_hba
*phba
)
5810 LIST_HEAD(sglq_list
);
5811 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
5813 /* Retrieve all els sgls from driver list */
5814 spin_lock_irq(&phba
->hbalock
);
5815 spin_lock(&pring
->ring_lock
);
5816 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &sglq_list
);
5817 spin_unlock(&pring
->ring_lock
);
5818 spin_unlock_irq(&phba
->hbalock
);
5820 /* Now free the sgl list */
5821 lpfc_free_sgl_list(phba
, &sglq_list
);
5825 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
5826 * @phba: pointer to lpfc hba data structure.
5828 * This routine is invoked to allocate the driver's active sgl memory.
5829 * This array will hold the sglq_entry's for active IOs.
5832 lpfc_init_active_sgl_array(struct lpfc_hba
*phba
)
5835 size
= sizeof(struct lpfc_sglq
*);
5836 size
*= phba
->sli4_hba
.max_cfg_param
.max_xri
;
5838 phba
->sli4_hba
.lpfc_sglq_active_list
=
5839 kzalloc(size
, GFP_KERNEL
);
5840 if (!phba
->sli4_hba
.lpfc_sglq_active_list
)
5846 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
5847 * @phba: pointer to lpfc hba data structure.
5849 * This routine is invoked to walk through the array of active sglq entries
5850 * and free all of the resources.
5851 * This is just a place holder for now.
5854 lpfc_free_active_sgl(struct lpfc_hba
*phba
)
5856 kfree(phba
->sli4_hba
.lpfc_sglq_active_list
);
5860 * lpfc_init_sgl_list - Allocate and initialize sgl list.
5861 * @phba: pointer to lpfc hba data structure.
5863 * This routine is invoked to allocate and initizlize the driver's sgl
5864 * list and set up the sgl xritag tag array accordingly.
5868 lpfc_init_sgl_list(struct lpfc_hba
*phba
)
5870 /* Initialize and populate the sglq list per host/VF. */
5871 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_sgl_list
);
5872 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
5874 /* els xri-sgl book keeping */
5875 phba
->sli4_hba
.els_xri_cnt
= 0;
5877 /* scsi xri-buffer book keeping */
5878 phba
->sli4_hba
.scsi_xri_cnt
= 0;
5882 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
5883 * @phba: pointer to lpfc hba data structure.
5885 * This routine is invoked to post rpi header templates to the
5886 * port for those SLI4 ports that do not support extents. This routine
5887 * posts a PAGE_SIZE memory region to the port to hold up to
5888 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
5889 * and should be called only when interrupts are disabled.
5893 * -ERROR - otherwise.
5896 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*phba
)
5899 struct lpfc_rpi_hdr
*rpi_hdr
;
5901 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5902 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5904 if (phba
->sli4_hba
.extents_in_use
)
5907 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
5909 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5910 "0391 Error during rpi post operation\n");
5911 lpfc_sli4_remove_rpis(phba
);
5919 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
5920 * @phba: pointer to lpfc hba data structure.
5922 * This routine is invoked to allocate a single 4KB memory region to
5923 * support rpis and stores them in the phba. This single region
5924 * provides support for up to 64 rpis. The region is used globally
5928 * A valid rpi hdr on success.
5929 * A NULL pointer on any failure.
5931 struct lpfc_rpi_hdr
*
5932 lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*phba
)
5934 uint16_t rpi_limit
, curr_rpi_range
;
5935 struct lpfc_dmabuf
*dmabuf
;
5936 struct lpfc_rpi_hdr
*rpi_hdr
;
5940 * If the SLI4 port supports extents, posting the rpi header isn't
5941 * required. Set the expected maximum count and let the actual value
5942 * get set when extents are fully allocated.
5944 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5946 if (phba
->sli4_hba
.extents_in_use
)
5949 /* The limit on the logical index is just the max_rpi count. */
5950 rpi_limit
= phba
->sli4_hba
.max_cfg_param
.rpi_base
+
5951 phba
->sli4_hba
.max_cfg_param
.max_rpi
- 1;
5953 spin_lock_irq(&phba
->hbalock
);
5955 * Establish the starting RPI in this header block. The starting
5956 * rpi is normalized to a zero base because the physical rpi is
5959 curr_rpi_range
= phba
->sli4_hba
.next_rpi
;
5960 spin_unlock_irq(&phba
->hbalock
);
5963 * The port has a limited number of rpis. The increment here
5964 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
5965 * and to allow the full max_rpi range per port.
5967 if ((curr_rpi_range
+ (LPFC_RPI_HDR_COUNT
- 1)) > rpi_limit
)
5968 rpi_count
= rpi_limit
- curr_rpi_range
;
5970 rpi_count
= LPFC_RPI_HDR_COUNT
;
5975 * First allocate the protocol header region for the port. The
5976 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
5978 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
5982 dmabuf
->virt
= dma_zalloc_coherent(&phba
->pcidev
->dev
,
5983 LPFC_HDR_TEMPLATE_SIZE
,
5984 &dmabuf
->phys
, GFP_KERNEL
);
5985 if (!dmabuf
->virt
) {
5987 goto err_free_dmabuf
;
5990 if (!IS_ALIGNED(dmabuf
->phys
, LPFC_HDR_TEMPLATE_SIZE
)) {
5992 goto err_free_coherent
;
5995 /* Save the rpi header data for cleanup later. */
5996 rpi_hdr
= kzalloc(sizeof(struct lpfc_rpi_hdr
), GFP_KERNEL
);
5998 goto err_free_coherent
;
6000 rpi_hdr
->dmabuf
= dmabuf
;
6001 rpi_hdr
->len
= LPFC_HDR_TEMPLATE_SIZE
;
6002 rpi_hdr
->page_count
= 1;
6003 spin_lock_irq(&phba
->hbalock
);
6005 /* The rpi_hdr stores the logical index only. */
6006 rpi_hdr
->start_rpi
= curr_rpi_range
;
6007 list_add_tail(&rpi_hdr
->list
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
);
6010 * The next_rpi stores the next logical module-64 rpi value used
6011 * to post physical rpis in subsequent rpi postings.
6013 phba
->sli4_hba
.next_rpi
+= rpi_count
;
6014 spin_unlock_irq(&phba
->hbalock
);
6018 dma_free_coherent(&phba
->pcidev
->dev
, LPFC_HDR_TEMPLATE_SIZE
,
6019 dmabuf
->virt
, dmabuf
->phys
);
6026 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
6027 * @phba: pointer to lpfc hba data structure.
6029 * This routine is invoked to remove all memory resources allocated
6030 * to support rpis for SLI4 ports not supporting extents. This routine
6031 * presumes the caller has released all rpis consumed by fabric or port
6032 * logins and is prepared to have the header pages removed.
6035 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*phba
)
6037 struct lpfc_rpi_hdr
*rpi_hdr
, *next_rpi_hdr
;
6039 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
6042 list_for_each_entry_safe(rpi_hdr
, next_rpi_hdr
,
6043 &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
6044 list_del(&rpi_hdr
->list
);
6045 dma_free_coherent(&phba
->pcidev
->dev
, rpi_hdr
->len
,
6046 rpi_hdr
->dmabuf
->virt
, rpi_hdr
->dmabuf
->phys
);
6047 kfree(rpi_hdr
->dmabuf
);
6051 /* There are no rpis available to the port now. */
6052 phba
->sli4_hba
.next_rpi
= 0;
6056 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
6057 * @pdev: pointer to pci device data structure.
6059 * This routine is invoked to allocate the driver hba data structure for an
6060 * HBA device. If the allocation is successful, the phba reference to the
6061 * PCI device data structure is set.
6064 * pointer to @phba - successful
6067 static struct lpfc_hba
*
6068 lpfc_hba_alloc(struct pci_dev
*pdev
)
6070 struct lpfc_hba
*phba
;
6072 /* Allocate memory for HBA structure */
6073 phba
= kzalloc(sizeof(struct lpfc_hba
), GFP_KERNEL
);
6075 dev_err(&pdev
->dev
, "failed to allocate hba struct\n");
6079 /* Set reference to PCI device in HBA structure */
6080 phba
->pcidev
= pdev
;
6082 /* Assign an unused board number */
6083 phba
->brd_no
= lpfc_get_instance();
6084 if (phba
->brd_no
< 0) {
6089 spin_lock_init(&phba
->ct_ev_lock
);
6090 INIT_LIST_HEAD(&phba
->ct_ev_waiters
);
6096 * lpfc_hba_free - Free driver hba data structure with a device.
6097 * @phba: pointer to lpfc hba data structure.
6099 * This routine is invoked to free the driver hba data structure with an
6103 lpfc_hba_free(struct lpfc_hba
*phba
)
6105 /* Release the driver assigned board number */
6106 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
6108 /* Free memory allocated with sli rings */
6109 kfree(phba
->sli
.ring
);
6110 phba
->sli
.ring
= NULL
;
6117 * lpfc_create_shost - Create hba physical port with associated scsi host.
6118 * @phba: pointer to lpfc hba data structure.
6120 * This routine is invoked to create HBA physical port and associate a SCSI
6125 * other values - error
6128 lpfc_create_shost(struct lpfc_hba
*phba
)
6130 struct lpfc_vport
*vport
;
6131 struct Scsi_Host
*shost
;
6133 /* Initialize HBA FC structure */
6134 phba
->fc_edtov
= FF_DEF_EDTOV
;
6135 phba
->fc_ratov
= FF_DEF_RATOV
;
6136 phba
->fc_altov
= FF_DEF_ALTOV
;
6137 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
6139 atomic_set(&phba
->sdev_cnt
, 0);
6140 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
6144 shost
= lpfc_shost_from_vport(vport
);
6145 phba
->pport
= vport
;
6146 lpfc_debugfs_initialize(vport
);
6147 /* Put reference to SCSI host to driver's device private data */
6148 pci_set_drvdata(phba
->pcidev
, shost
);
6151 * At this point we are fully registered with PSA. In addition,
6152 * any initial discovery should be completed.
6154 vport
->load_flag
|= FC_ALLOW_FDMI
;
6155 if (phba
->cfg_enable_SmartSAN
||
6156 (phba
->cfg_fdmi_on
== LPFC_FDMI_SUPPORT
)) {
6158 /* Setup appropriate attribute masks */
6159 vport
->fdmi_hba_mask
= LPFC_FDMI2_HBA_ATTR
;
6160 if (phba
->cfg_enable_SmartSAN
)
6161 vport
->fdmi_port_mask
= LPFC_FDMI2_SMART_ATTR
;
6163 vport
->fdmi_port_mask
= LPFC_FDMI2_PORT_ATTR
;
6169 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
6170 * @phba: pointer to lpfc hba data structure.
6172 * This routine is invoked to destroy HBA physical port and the associated
6176 lpfc_destroy_shost(struct lpfc_hba
*phba
)
6178 struct lpfc_vport
*vport
= phba
->pport
;
6180 /* Destroy physical port that associated with the SCSI host */
6181 destroy_port(vport
);
6187 * lpfc_setup_bg - Setup Block guard structures and debug areas.
6188 * @phba: pointer to lpfc hba data structure.
6189 * @shost: the shost to be used to detect Block guard settings.
6191 * This routine sets up the local Block guard protocol settings for @shost.
6192 * This routine also allocates memory for debugging bg buffers.
6195 lpfc_setup_bg(struct lpfc_hba
*phba
, struct Scsi_Host
*shost
)
6201 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
6202 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6203 "1478 Registering BlockGuard with the "
6206 old_mask
= lpfc_prot_mask
;
6207 old_guard
= lpfc_prot_guard
;
6209 /* Only allow supported values */
6210 lpfc_prot_mask
&= (SHOST_DIF_TYPE1_PROTECTION
|
6211 SHOST_DIX_TYPE0_PROTECTION
|
6212 SHOST_DIX_TYPE1_PROTECTION
);
6213 lpfc_prot_guard
&= (SHOST_DIX_GUARD_IP
| SHOST_DIX_GUARD_CRC
);
6215 /* DIF Type 1 protection for profiles AST1/C1 is end to end */
6216 if (lpfc_prot_mask
== SHOST_DIX_TYPE1_PROTECTION
)
6217 lpfc_prot_mask
|= SHOST_DIF_TYPE1_PROTECTION
;
6219 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
6220 if ((old_mask
!= lpfc_prot_mask
) ||
6221 (old_guard
!= lpfc_prot_guard
))
6222 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6223 "1475 Registering BlockGuard with the "
6224 "SCSI layer: mask %d guard %d\n",
6225 lpfc_prot_mask
, lpfc_prot_guard
);
6227 scsi_host_set_prot(shost
, lpfc_prot_mask
);
6228 scsi_host_set_guard(shost
, lpfc_prot_guard
);
6230 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6231 "1479 Not Registering BlockGuard with the SCSI "
6232 "layer, Bad protection parameters: %d %d\n",
6233 old_mask
, old_guard
);
6236 if (!_dump_buf_data
) {
6238 spin_lock_init(&_dump_buf_lock
);
6240 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
6241 if (_dump_buf_data
) {
6242 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6243 "9043 BLKGRD: allocated %d pages for "
6244 "_dump_buf_data at 0x%p\n",
6245 (1 << pagecnt
), _dump_buf_data
);
6246 _dump_buf_data_order
= pagecnt
;
6247 memset(_dump_buf_data
, 0,
6248 ((1 << PAGE_SHIFT
) << pagecnt
));
6253 if (!_dump_buf_data_order
)
6254 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6255 "9044 BLKGRD: ERROR unable to allocate "
6256 "memory for hexdump\n");
6258 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6259 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
6260 "\n", _dump_buf_data
);
6261 if (!_dump_buf_dif
) {
6264 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
6265 if (_dump_buf_dif
) {
6266 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6267 "9046 BLKGRD: allocated %d pages for "
6268 "_dump_buf_dif at 0x%p\n",
6269 (1 << pagecnt
), _dump_buf_dif
);
6270 _dump_buf_dif_order
= pagecnt
;
6271 memset(_dump_buf_dif
, 0,
6272 ((1 << PAGE_SHIFT
) << pagecnt
));
6277 if (!_dump_buf_dif_order
)
6278 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6279 "9047 BLKGRD: ERROR unable to allocate "
6280 "memory for hexdump\n");
6282 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6283 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
6288 * lpfc_post_init_setup - Perform necessary device post initialization setup.
6289 * @phba: pointer to lpfc hba data structure.
6291 * This routine is invoked to perform all the necessary post initialization
6292 * setup for the device.
6295 lpfc_post_init_setup(struct lpfc_hba
*phba
)
6297 struct Scsi_Host
*shost
;
6298 struct lpfc_adapter_event_header adapter_event
;
6300 /* Get the default values for Model Name and Description */
6301 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
6304 * hba setup may have changed the hba_queue_depth so we need to
6305 * adjust the value of can_queue.
6307 shost
= pci_get_drvdata(phba
->pcidev
);
6308 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
6309 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
6310 lpfc_setup_bg(phba
, shost
);
6312 lpfc_host_attrib_init(shost
);
6314 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
6315 spin_lock_irq(shost
->host_lock
);
6316 lpfc_poll_start_timer(phba
);
6317 spin_unlock_irq(shost
->host_lock
);
6320 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6321 "0428 Perform SCSI scan\n");
6322 /* Send board arrival event to upper layer */
6323 adapter_event
.event_type
= FC_REG_ADAPTER_EVENT
;
6324 adapter_event
.subcategory
= LPFC_EVENT_ARRIVAL
;
6325 fc_host_post_vendor_event(shost
, fc_get_event_number(),
6326 sizeof(adapter_event
),
6327 (char *) &adapter_event
,
6333 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
6334 * @phba: pointer to lpfc hba data structure.
6336 * This routine is invoked to set up the PCI device memory space for device
6337 * with SLI-3 interface spec.
6341 * other values - error
6344 lpfc_sli_pci_mem_setup(struct lpfc_hba
*phba
)
6346 struct pci_dev
*pdev
;
6347 unsigned long bar0map_len
, bar2map_len
;
6350 int error
= -ENODEV
;
6352 /* Obtain PCI device reference */
6356 pdev
= phba
->pcidev
;
6358 /* Set the device DMA mask size */
6359 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
6360 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
6361 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
6362 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
6367 /* Get the bus address of Bar0 and Bar2 and the number of bytes
6368 * required by each mapping.
6370 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
6371 bar0map_len
= pci_resource_len(pdev
, 0);
6373 phba
->pci_bar2_map
= pci_resource_start(pdev
, 2);
6374 bar2map_len
= pci_resource_len(pdev
, 2);
6376 /* Map HBA SLIM to a kernel virtual address. */
6377 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
6378 if (!phba
->slim_memmap_p
) {
6379 dev_printk(KERN_ERR
, &pdev
->dev
,
6380 "ioremap failed for SLIM memory.\n");
6384 /* Map HBA Control Registers to a kernel virtual address. */
6385 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
6386 if (!phba
->ctrl_regs_memmap_p
) {
6387 dev_printk(KERN_ERR
, &pdev
->dev
,
6388 "ioremap failed for HBA control registers.\n");
6389 goto out_iounmap_slim
;
6392 /* Allocate memory for SLI-2 structures */
6393 phba
->slim2p
.virt
= dma_zalloc_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
6394 &phba
->slim2p
.phys
, GFP_KERNEL
);
6395 if (!phba
->slim2p
.virt
)
6398 phba
->mbox
= phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, mbx
);
6399 phba
->mbox_ext
= (phba
->slim2p
.virt
+
6400 offsetof(struct lpfc_sli2_slim
, mbx_ext_words
));
6401 phba
->pcb
= (phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, pcb
));
6402 phba
->IOCBs
= (phba
->slim2p
.virt
+
6403 offsetof(struct lpfc_sli2_slim
, IOCBs
));
6405 phba
->hbqslimp
.virt
= dma_alloc_coherent(&pdev
->dev
,
6406 lpfc_sli_hbq_size(),
6407 &phba
->hbqslimp
.phys
,
6409 if (!phba
->hbqslimp
.virt
)
6412 hbq_count
= lpfc_sli_hbq_count();
6413 ptr
= phba
->hbqslimp
.virt
;
6414 for (i
= 0; i
< hbq_count
; ++i
) {
6415 phba
->hbqs
[i
].hbq_virt
= ptr
;
6416 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
6417 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
6418 sizeof(struct lpfc_hbq_entry
));
6420 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
6421 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
6423 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
6425 INIT_LIST_HEAD(&phba
->rb_pend_list
);
6427 phba
->MBslimaddr
= phba
->slim_memmap_p
;
6428 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
6429 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
6430 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
6431 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
6436 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
6437 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
6439 iounmap(phba
->ctrl_regs_memmap_p
);
6441 iounmap(phba
->slim_memmap_p
);
6447 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
6448 * @phba: pointer to lpfc hba data structure.
6450 * This routine is invoked to unset the PCI device memory space for device
6451 * with SLI-3 interface spec.
6454 lpfc_sli_pci_mem_unset(struct lpfc_hba
*phba
)
6456 struct pci_dev
*pdev
;
6458 /* Obtain PCI device reference */
6462 pdev
= phba
->pcidev
;
6464 /* Free coherent DMA memory allocated */
6465 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
6466 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
6467 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
6468 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
6470 /* I/O memory unmap */
6471 iounmap(phba
->ctrl_regs_memmap_p
);
6472 iounmap(phba
->slim_memmap_p
);
6478 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
6479 * @phba: pointer to lpfc hba data structure.
6481 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
6482 * done and check status.
6484 * Return 0 if successful, otherwise -ENODEV.
6487 lpfc_sli4_post_status_check(struct lpfc_hba
*phba
)
6489 struct lpfc_register portsmphr_reg
, uerrlo_reg
, uerrhi_reg
;
6490 struct lpfc_register reg_data
;
6491 int i
, port_error
= 0;
6494 memset(&portsmphr_reg
, 0, sizeof(portsmphr_reg
));
6495 memset(®_data
, 0, sizeof(reg_data
));
6496 if (!phba
->sli4_hba
.PSMPHRregaddr
)
6499 /* Wait up to 30 seconds for the SLI Port POST done and ready */
6500 for (i
= 0; i
< 3000; i
++) {
6501 if (lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
6502 &portsmphr_reg
.word0
) ||
6503 (bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
))) {
6504 /* Port has a fatal POST error, break out */
6505 port_error
= -ENODEV
;
6508 if (LPFC_POST_STAGE_PORT_READY
==
6509 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
))
6515 * If there was a port error during POST, then don't proceed with
6516 * other register reads as the data may not be valid. Just exit.
6519 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6520 "1408 Port Failed POST - portsmphr=0x%x, "
6521 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
6522 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
6523 portsmphr_reg
.word0
,
6524 bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
),
6525 bf_get(lpfc_port_smphr_sfi
, &portsmphr_reg
),
6526 bf_get(lpfc_port_smphr_nip
, &portsmphr_reg
),
6527 bf_get(lpfc_port_smphr_ipc
, &portsmphr_reg
),
6528 bf_get(lpfc_port_smphr_scr1
, &portsmphr_reg
),
6529 bf_get(lpfc_port_smphr_scr2
, &portsmphr_reg
),
6530 bf_get(lpfc_port_smphr_host_scratch
, &portsmphr_reg
),
6531 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
));
6533 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6534 "2534 Device Info: SLIFamily=0x%x, "
6535 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
6536 "SLIHint_2=0x%x, FT=0x%x\n",
6537 bf_get(lpfc_sli_intf_sli_family
,
6538 &phba
->sli4_hba
.sli_intf
),
6539 bf_get(lpfc_sli_intf_slirev
,
6540 &phba
->sli4_hba
.sli_intf
),
6541 bf_get(lpfc_sli_intf_if_type
,
6542 &phba
->sli4_hba
.sli_intf
),
6543 bf_get(lpfc_sli_intf_sli_hint1
,
6544 &phba
->sli4_hba
.sli_intf
),
6545 bf_get(lpfc_sli_intf_sli_hint2
,
6546 &phba
->sli4_hba
.sli_intf
),
6547 bf_get(lpfc_sli_intf_func_type
,
6548 &phba
->sli4_hba
.sli_intf
));
6550 * Check for other Port errors during the initialization
6551 * process. Fail the load if the port did not come up
6554 if_type
= bf_get(lpfc_sli_intf_if_type
,
6555 &phba
->sli4_hba
.sli_intf
);
6557 case LPFC_SLI_INTF_IF_TYPE_0
:
6558 phba
->sli4_hba
.ue_mask_lo
=
6559 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
);
6560 phba
->sli4_hba
.ue_mask_hi
=
6561 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
);
6563 readl(phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
);
6565 readl(phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
);
6566 if ((~phba
->sli4_hba
.ue_mask_lo
& uerrlo_reg
.word0
) ||
6567 (~phba
->sli4_hba
.ue_mask_hi
& uerrhi_reg
.word0
)) {
6568 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6569 "1422 Unrecoverable Error "
6570 "Detected during POST "
6571 "uerr_lo_reg=0x%x, "
6572 "uerr_hi_reg=0x%x, "
6573 "ue_mask_lo_reg=0x%x, "
6574 "ue_mask_hi_reg=0x%x\n",
6577 phba
->sli4_hba
.ue_mask_lo
,
6578 phba
->sli4_hba
.ue_mask_hi
);
6579 port_error
= -ENODEV
;
6582 case LPFC_SLI_INTF_IF_TYPE_2
:
6583 /* Final checks. The port status should be clean. */
6584 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
6586 (bf_get(lpfc_sliport_status_err
, ®_data
) &&
6587 !bf_get(lpfc_sliport_status_rn
, ®_data
))) {
6588 phba
->work_status
[0] =
6589 readl(phba
->sli4_hba
.u
.if_type2
.
6591 phba
->work_status
[1] =
6592 readl(phba
->sli4_hba
.u
.if_type2
.
6594 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6595 "2888 Unrecoverable port error "
6596 "following POST: port status reg "
6597 "0x%x, port_smphr reg 0x%x, "
6598 "error 1=0x%x, error 2=0x%x\n",
6600 portsmphr_reg
.word0
,
6601 phba
->work_status
[0],
6602 phba
->work_status
[1]);
6603 port_error
= -ENODEV
;
6606 case LPFC_SLI_INTF_IF_TYPE_1
:
6615 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
6616 * @phba: pointer to lpfc hba data structure.
6617 * @if_type: The SLI4 interface type getting configured.
6619 * This routine is invoked to set up SLI4 BAR0 PCI config space register
6623 lpfc_sli4_bar0_register_memmap(struct lpfc_hba
*phba
, uint32_t if_type
)
6626 case LPFC_SLI_INTF_IF_TYPE_0
:
6627 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
=
6628 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_LO
;
6629 phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
=
6630 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_HI
;
6631 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
=
6632 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_LO
;
6633 phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
=
6634 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_HI
;
6635 phba
->sli4_hba
.SLIINTFregaddr
=
6636 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
6638 case LPFC_SLI_INTF_IF_TYPE_2
:
6639 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
=
6640 phba
->sli4_hba
.conf_regs_memmap_p
+
6641 LPFC_CTL_PORT_ER1_OFFSET
;
6642 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
=
6643 phba
->sli4_hba
.conf_regs_memmap_p
+
6644 LPFC_CTL_PORT_ER2_OFFSET
;
6645 phba
->sli4_hba
.u
.if_type2
.CTRLregaddr
=
6646 phba
->sli4_hba
.conf_regs_memmap_p
+
6647 LPFC_CTL_PORT_CTL_OFFSET
;
6648 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
=
6649 phba
->sli4_hba
.conf_regs_memmap_p
+
6650 LPFC_CTL_PORT_STA_OFFSET
;
6651 phba
->sli4_hba
.SLIINTFregaddr
=
6652 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
6653 phba
->sli4_hba
.PSMPHRregaddr
=
6654 phba
->sli4_hba
.conf_regs_memmap_p
+
6655 LPFC_CTL_PORT_SEM_OFFSET
;
6656 phba
->sli4_hba
.RQDBregaddr
=
6657 phba
->sli4_hba
.conf_regs_memmap_p
+
6658 LPFC_ULP0_RQ_DOORBELL
;
6659 phba
->sli4_hba
.WQDBregaddr
=
6660 phba
->sli4_hba
.conf_regs_memmap_p
+
6661 LPFC_ULP0_WQ_DOORBELL
;
6662 phba
->sli4_hba
.EQCQDBregaddr
=
6663 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_EQCQ_DOORBELL
;
6664 phba
->sli4_hba
.MQDBregaddr
=
6665 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_MQ_DOORBELL
;
6666 phba
->sli4_hba
.BMBXregaddr
=
6667 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_BMBX
;
6669 case LPFC_SLI_INTF_IF_TYPE_1
:
6671 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
6672 "FATAL - unsupported SLI4 interface type - %d\n",
6679 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
6680 * @phba: pointer to lpfc hba data structure.
6682 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
6686 lpfc_sli4_bar1_register_memmap(struct lpfc_hba
*phba
)
6688 phba
->sli4_hba
.PSMPHRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6689 LPFC_SLIPORT_IF0_SMPHR
;
6690 phba
->sli4_hba
.ISRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6692 phba
->sli4_hba
.IMRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6694 phba
->sli4_hba
.ISCRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6699 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
6700 * @phba: pointer to lpfc hba data structure.
6701 * @vf: virtual function number
6703 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
6704 * based on the given viftual function number, @vf.
6706 * Return 0 if successful, otherwise -ENODEV.
6709 lpfc_sli4_bar2_register_memmap(struct lpfc_hba
*phba
, uint32_t vf
)
6711 if (vf
> LPFC_VIR_FUNC_MAX
)
6714 phba
->sli4_hba
.RQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6715 vf
* LPFC_VFR_PAGE_SIZE
+
6716 LPFC_ULP0_RQ_DOORBELL
);
6717 phba
->sli4_hba
.WQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6718 vf
* LPFC_VFR_PAGE_SIZE
+
6719 LPFC_ULP0_WQ_DOORBELL
);
6720 phba
->sli4_hba
.EQCQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6721 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_EQCQ_DOORBELL
);
6722 phba
->sli4_hba
.MQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6723 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_MQ_DOORBELL
);
6724 phba
->sli4_hba
.BMBXregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6725 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_BMBX
);
6730 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
6731 * @phba: pointer to lpfc hba data structure.
6733 * This routine is invoked to create the bootstrap mailbox
6734 * region consistent with the SLI-4 interface spec. This
6735 * routine allocates all memory necessary to communicate
6736 * mailbox commands to the port and sets up all alignment
6737 * needs. No locks are expected to be held when calling
6742 * -ENOMEM - could not allocated memory.
6745 lpfc_create_bootstrap_mbox(struct lpfc_hba
*phba
)
6748 struct lpfc_dmabuf
*dmabuf
;
6749 struct dma_address
*dma_address
;
6753 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
6758 * The bootstrap mailbox region is comprised of 2 parts
6759 * plus an alignment restriction of 16 bytes.
6761 bmbx_size
= sizeof(struct lpfc_bmbx_create
) + (LPFC_ALIGN_16_BYTE
- 1);
6762 dmabuf
->virt
= dma_zalloc_coherent(&phba
->pcidev
->dev
, bmbx_size
,
6763 &dmabuf
->phys
, GFP_KERNEL
);
6764 if (!dmabuf
->virt
) {
6770 * Initialize the bootstrap mailbox pointers now so that the register
6771 * operations are simple later. The mailbox dma address is required
6772 * to be 16-byte aligned. Also align the virtual memory as each
6773 * maibox is copied into the bmbx mailbox region before issuing the
6774 * command to the port.
6776 phba
->sli4_hba
.bmbx
.dmabuf
= dmabuf
;
6777 phba
->sli4_hba
.bmbx
.bmbx_size
= bmbx_size
;
6779 phba
->sli4_hba
.bmbx
.avirt
= PTR_ALIGN(dmabuf
->virt
,
6780 LPFC_ALIGN_16_BYTE
);
6781 phba
->sli4_hba
.bmbx
.aphys
= ALIGN(dmabuf
->phys
,
6782 LPFC_ALIGN_16_BYTE
);
6785 * Set the high and low physical addresses now. The SLI4 alignment
6786 * requirement is 16 bytes and the mailbox is posted to the port
6787 * as two 30-bit addresses. The other data is a bit marking whether
6788 * the 30-bit address is the high or low address.
6789 * Upcast bmbx aphys to 64bits so shift instruction compiles
6790 * clean on 32 bit machines.
6792 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
6793 phys_addr
= (uint64_t)phba
->sli4_hba
.bmbx
.aphys
;
6794 pa_addr
= (uint32_t) ((phys_addr
>> 34) & 0x3fffffff);
6795 dma_address
->addr_hi
= (uint32_t) ((pa_addr
<< 2) |
6796 LPFC_BMBX_BIT1_ADDR_HI
);
6798 pa_addr
= (uint32_t) ((phba
->sli4_hba
.bmbx
.aphys
>> 4) & 0x3fffffff);
6799 dma_address
->addr_lo
= (uint32_t) ((pa_addr
<< 2) |
6800 LPFC_BMBX_BIT1_ADDR_LO
);
6805 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
6806 * @phba: pointer to lpfc hba data structure.
6808 * This routine is invoked to teardown the bootstrap mailbox
6809 * region and release all host resources. This routine requires
6810 * the caller to ensure all mailbox commands recovered, no
6811 * additional mailbox comands are sent, and interrupts are disabled
6812 * before calling this routine.
6816 lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*phba
)
6818 dma_free_coherent(&phba
->pcidev
->dev
,
6819 phba
->sli4_hba
.bmbx
.bmbx_size
,
6820 phba
->sli4_hba
.bmbx
.dmabuf
->virt
,
6821 phba
->sli4_hba
.bmbx
.dmabuf
->phys
);
6823 kfree(phba
->sli4_hba
.bmbx
.dmabuf
);
6824 memset(&phba
->sli4_hba
.bmbx
, 0, sizeof(struct lpfc_bmbx
));
6828 * lpfc_sli4_read_config - Get the config parameters.
6829 * @phba: pointer to lpfc hba data structure.
6831 * This routine is invoked to read the configuration parameters from the HBA.
6832 * The configuration parameters are used to set the base and maximum values
6833 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
6834 * allocation for the port.
6838 * -ENOMEM - No available memory
6839 * -EIO - The mailbox failed to complete successfully.
6842 lpfc_sli4_read_config(struct lpfc_hba
*phba
)
6845 struct lpfc_mbx_read_config
*rd_config
;
6846 union lpfc_sli4_cfg_shdr
*shdr
;
6847 uint32_t shdr_status
, shdr_add_status
;
6848 struct lpfc_mbx_get_func_cfg
*get_func_cfg
;
6849 struct lpfc_rsrc_desc_fcfcoe
*desc
;
6851 int length
, i
, rc
= 0, rc2
;
6853 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
6855 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6856 "2011 Unable to allocate memory for issuing "
6857 "SLI_CONFIG_SPECIAL mailbox command\n");
6861 lpfc_read_config(phba
, pmb
);
6863 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6864 if (rc
!= MBX_SUCCESS
) {
6865 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6866 "2012 Mailbox failed , mbxCmd x%x "
6867 "READ_CONFIG, mbxStatus x%x\n",
6868 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6869 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6872 rd_config
= &pmb
->u
.mqe
.un
.rd_config
;
6873 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv
, rd_config
)) {
6874 phba
->sli4_hba
.lnk_info
.lnk_dv
= LPFC_LNK_DAT_VAL
;
6875 phba
->sli4_hba
.lnk_info
.lnk_tp
=
6876 bf_get(lpfc_mbx_rd_conf_lnk_type
, rd_config
);
6877 phba
->sli4_hba
.lnk_info
.lnk_no
=
6878 bf_get(lpfc_mbx_rd_conf_lnk_numb
, rd_config
);
6879 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6880 "3081 lnk_type:%d, lnk_numb:%d\n",
6881 phba
->sli4_hba
.lnk_info
.lnk_tp
,
6882 phba
->sli4_hba
.lnk_info
.lnk_no
);
6884 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
6885 "3082 Mailbox (x%x) returned ldv:x0\n",
6886 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
));
6887 phba
->sli4_hba
.extents_in_use
=
6888 bf_get(lpfc_mbx_rd_conf_extnts_inuse
, rd_config
);
6889 phba
->sli4_hba
.max_cfg_param
.max_xri
=
6890 bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
6891 phba
->sli4_hba
.max_cfg_param
.xri_base
=
6892 bf_get(lpfc_mbx_rd_conf_xri_base
, rd_config
);
6893 phba
->sli4_hba
.max_cfg_param
.max_vpi
=
6894 bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
);
6895 phba
->sli4_hba
.max_cfg_param
.vpi_base
=
6896 bf_get(lpfc_mbx_rd_conf_vpi_base
, rd_config
);
6897 phba
->sli4_hba
.max_cfg_param
.max_rpi
=
6898 bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
6899 phba
->sli4_hba
.max_cfg_param
.rpi_base
=
6900 bf_get(lpfc_mbx_rd_conf_rpi_base
, rd_config
);
6901 phba
->sli4_hba
.max_cfg_param
.max_vfi
=
6902 bf_get(lpfc_mbx_rd_conf_vfi_count
, rd_config
);
6903 phba
->sli4_hba
.max_cfg_param
.vfi_base
=
6904 bf_get(lpfc_mbx_rd_conf_vfi_base
, rd_config
);
6905 phba
->sli4_hba
.max_cfg_param
.max_fcfi
=
6906 bf_get(lpfc_mbx_rd_conf_fcfi_count
, rd_config
);
6907 phba
->sli4_hba
.max_cfg_param
.max_eq
=
6908 bf_get(lpfc_mbx_rd_conf_eq_count
, rd_config
);
6909 phba
->sli4_hba
.max_cfg_param
.max_rq
=
6910 bf_get(lpfc_mbx_rd_conf_rq_count
, rd_config
);
6911 phba
->sli4_hba
.max_cfg_param
.max_wq
=
6912 bf_get(lpfc_mbx_rd_conf_wq_count
, rd_config
);
6913 phba
->sli4_hba
.max_cfg_param
.max_cq
=
6914 bf_get(lpfc_mbx_rd_conf_cq_count
, rd_config
);
6915 phba
->lmt
= bf_get(lpfc_mbx_rd_conf_lmt
, rd_config
);
6916 phba
->sli4_hba
.next_xri
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
6917 phba
->vpi_base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
6918 phba
->vfi_base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
6919 phba
->max_vpi
= (phba
->sli4_hba
.max_cfg_param
.max_vpi
> 0) ?
6920 (phba
->sli4_hba
.max_cfg_param
.max_vpi
- 1) : 0;
6921 phba
->max_vports
= phba
->max_vpi
;
6922 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6923 "2003 cfg params Extents? %d "
6929 phba
->sli4_hba
.extents_in_use
,
6930 phba
->sli4_hba
.max_cfg_param
.xri_base
,
6931 phba
->sli4_hba
.max_cfg_param
.max_xri
,
6932 phba
->sli4_hba
.max_cfg_param
.vpi_base
,
6933 phba
->sli4_hba
.max_cfg_param
.max_vpi
,
6934 phba
->sli4_hba
.max_cfg_param
.vfi_base
,
6935 phba
->sli4_hba
.max_cfg_param
.max_vfi
,
6936 phba
->sli4_hba
.max_cfg_param
.rpi_base
,
6937 phba
->sli4_hba
.max_cfg_param
.max_rpi
,
6938 phba
->sli4_hba
.max_cfg_param
.max_fcfi
);
6944 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
6945 length
= phba
->sli4_hba
.max_cfg_param
.max_xri
-
6946 lpfc_sli4_get_els_iocb_cnt(phba
);
6947 if (phba
->cfg_hba_queue_depth
> length
) {
6948 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6949 "3361 HBA queue depth changed from %d to %d\n",
6950 phba
->cfg_hba_queue_depth
, length
);
6951 phba
->cfg_hba_queue_depth
= length
;
6954 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
6955 LPFC_SLI_INTF_IF_TYPE_2
)
6958 /* get the pf# and vf# for SLI4 if_type 2 port */
6959 length
= (sizeof(struct lpfc_mbx_get_func_cfg
) -
6960 sizeof(struct lpfc_sli4_cfg_mhdr
));
6961 lpfc_sli4_config(phba
, pmb
, LPFC_MBOX_SUBSYSTEM_COMMON
,
6962 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG
,
6963 length
, LPFC_SLI4_MBX_EMBED
);
6965 rc2
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6966 shdr
= (union lpfc_sli4_cfg_shdr
*)
6967 &pmb
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
6968 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
6969 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
6970 if (rc2
|| shdr_status
|| shdr_add_status
) {
6971 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6972 "3026 Mailbox failed , mbxCmd x%x "
6973 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
6974 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6975 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6979 /* search for fc_fcoe resrouce descriptor */
6980 get_func_cfg
= &pmb
->u
.mqe
.un
.get_func_cfg
;
6982 pdesc_0
= (char *)&get_func_cfg
->func_cfg
.desc
[0];
6983 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)pdesc_0
;
6984 length
= bf_get(lpfc_rsrc_desc_fcfcoe_length
, desc
);
6985 if (length
== LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD
)
6986 length
= LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH
;
6987 else if (length
!= LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH
)
6990 for (i
= 0; i
< LPFC_RSRC_DESC_MAX_NUM
; i
++) {
6991 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)(pdesc_0
+ length
* i
);
6992 if (LPFC_RSRC_DESC_TYPE_FCFCOE
==
6993 bf_get(lpfc_rsrc_desc_fcfcoe_type
, desc
)) {
6994 phba
->sli4_hba
.iov
.pf_number
=
6995 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum
, desc
);
6996 phba
->sli4_hba
.iov
.vf_number
=
6997 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum
, desc
);
7002 if (i
< LPFC_RSRC_DESC_MAX_NUM
)
7003 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
7004 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
7005 "vf_number:%d\n", phba
->sli4_hba
.iov
.pf_number
,
7006 phba
->sli4_hba
.iov
.vf_number
);
7008 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
7009 "3028 GET_FUNCTION_CONFIG: failed to find "
7010 "Resrouce Descriptor:x%x\n",
7011 LPFC_RSRC_DESC_TYPE_FCFCOE
);
7014 mempool_free(pmb
, phba
->mbox_mem_pool
);
7019 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
7020 * @phba: pointer to lpfc hba data structure.
7022 * This routine is invoked to setup the port-side endian order when
7023 * the port if_type is 0. This routine has no function for other
7028 * -ENOMEM - No available memory
7029 * -EIO - The mailbox failed to complete successfully.
7032 lpfc_setup_endian_order(struct lpfc_hba
*phba
)
7034 LPFC_MBOXQ_t
*mboxq
;
7035 uint32_t if_type
, rc
= 0;
7036 uint32_t endian_mb_data
[2] = {HOST_ENDIAN_LOW_WORD0
,
7037 HOST_ENDIAN_HIGH_WORD1
};
7039 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7041 case LPFC_SLI_INTF_IF_TYPE_0
:
7042 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
7045 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7046 "0492 Unable to allocate memory for "
7047 "issuing SLI_CONFIG_SPECIAL mailbox "
7053 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
7054 * two words to contain special data values and no other data.
7056 memset(mboxq
, 0, sizeof(LPFC_MBOXQ_t
));
7057 memcpy(&mboxq
->u
.mqe
, &endian_mb_data
, sizeof(endian_mb_data
));
7058 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7059 if (rc
!= MBX_SUCCESS
) {
7060 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7061 "0493 SLI_CONFIG_SPECIAL mailbox "
7062 "failed with status x%x\n",
7066 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7068 case LPFC_SLI_INTF_IF_TYPE_2
:
7069 case LPFC_SLI_INTF_IF_TYPE_1
:
7077 * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
7078 * @phba: pointer to lpfc hba data structure.
7080 * This routine is invoked to check the user settable queue counts for EQs and
7081 * CQs. after this routine is called the counts will be set to valid values that
7082 * adhere to the constraints of the system's interrupt vectors and the port's
7087 * -ENOMEM - No available memory
7090 lpfc_sli4_queue_verify(struct lpfc_hba
*phba
)
7092 int cfg_fcp_io_channel
;
7095 int fof_vectors
= phba
->cfg_fof
? 1 : 0;
7098 * Sanity check for configured queue parameters against the run-time
7102 /* Sanity check on HBA EQ parameters */
7103 cfg_fcp_io_channel
= phba
->cfg_fcp_io_channel
;
7105 /* It doesn't make sense to have more io channels then online CPUs */
7106 for_each_present_cpu(cpu
) {
7107 if (cpu_online(cpu
))
7110 phba
->sli4_hba
.num_online_cpu
= i
;
7111 phba
->sli4_hba
.num_present_cpu
= lpfc_present_cpu
;
7112 phba
->sli4_hba
.curr_disp_cpu
= 0;
7114 if (i
< cfg_fcp_io_channel
) {
7115 lpfc_printf_log(phba
,
7117 "3188 Reducing IO channels to match number of "
7118 "online CPUs: from %d to %d\n",
7119 cfg_fcp_io_channel
, i
);
7120 cfg_fcp_io_channel
= i
;
7123 if (cfg_fcp_io_channel
+ fof_vectors
>
7124 phba
->sli4_hba
.max_cfg_param
.max_eq
) {
7125 if (phba
->sli4_hba
.max_cfg_param
.max_eq
<
7126 LPFC_FCP_IO_CHAN_MIN
) {
7127 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7128 "2574 Not enough EQs (%d) from the "
7129 "pci function for supporting FCP "
7131 phba
->sli4_hba
.max_cfg_param
.max_eq
,
7132 phba
->cfg_fcp_io_channel
);
7135 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7136 "2575 Reducing IO channels to match number of "
7137 "available EQs: from %d to %d\n",
7139 phba
->sli4_hba
.max_cfg_param
.max_eq
);
7140 cfg_fcp_io_channel
= phba
->sli4_hba
.max_cfg_param
.max_eq
-
7144 /* The actual number of FCP event queues adopted */
7145 phba
->cfg_fcp_io_channel
= cfg_fcp_io_channel
;
7147 /* Get EQ depth from module parameter, fake the default for now */
7148 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
7149 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
7151 /* Get CQ depth from module parameter, fake the default for now */
7152 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
7153 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
7161 * lpfc_sli4_queue_create - Create all the SLI4 queues
7162 * @phba: pointer to lpfc hba data structure.
7164 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
7165 * operation. For each SLI4 queue type, the parameters such as queue entry
7166 * count (queue depth) shall be taken from the module parameter. For now,
7167 * we just use some constant number as place holder.
7171 * -ENOMEM - No availble memory
7172 * -EIO - The mailbox failed to complete successfully.
7175 lpfc_sli4_queue_create(struct lpfc_hba
*phba
)
7177 struct lpfc_queue
*qdesc
;
7181 * Create HBA Record arrays.
7183 if (!phba
->cfg_fcp_io_channel
)
7186 phba
->sli4_hba
.mq_esize
= LPFC_MQE_SIZE
;
7187 phba
->sli4_hba
.mq_ecount
= LPFC_MQE_DEF_COUNT
;
7188 phba
->sli4_hba
.wq_esize
= LPFC_WQE_SIZE
;
7189 phba
->sli4_hba
.wq_ecount
= LPFC_WQE_DEF_COUNT
;
7190 phba
->sli4_hba
.rq_esize
= LPFC_RQE_SIZE
;
7191 phba
->sli4_hba
.rq_ecount
= LPFC_RQE_DEF_COUNT
;
7193 phba
->sli4_hba
.hba_eq
= kzalloc((sizeof(struct lpfc_queue
*) *
7194 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
7195 if (!phba
->sli4_hba
.hba_eq
) {
7196 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7197 "2576 Failed allocate memory for "
7198 "fast-path EQ record array\n");
7202 phba
->sli4_hba
.fcp_cq
= kzalloc((sizeof(struct lpfc_queue
*) *
7203 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
7204 if (!phba
->sli4_hba
.fcp_cq
) {
7205 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7206 "2577 Failed allocate memory for fast-path "
7207 "CQ record array\n");
7211 phba
->sli4_hba
.fcp_wq
= kzalloc((sizeof(struct lpfc_queue
*) *
7212 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
7213 if (!phba
->sli4_hba
.fcp_wq
) {
7214 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7215 "2578 Failed allocate memory for fast-path "
7216 "WQ record array\n");
7221 * Since the first EQ can have multiple CQs associated with it,
7222 * this array is used to quickly see if we have a FCP fast-path
7225 phba
->sli4_hba
.fcp_cq_map
= kzalloc((sizeof(uint16_t) *
7226 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
7227 if (!phba
->sli4_hba
.fcp_cq_map
) {
7228 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7229 "2545 Failed allocate memory for fast-path "
7235 * Create HBA Event Queues (EQs). The cfg_fcp_io_channel specifies
7236 * how many EQs to create.
7238 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
7241 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
7242 phba
->sli4_hba
.eq_ecount
);
7244 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7245 "0497 Failed allocate EQ (%d)\n", idx
);
7248 phba
->sli4_hba
.hba_eq
[idx
] = qdesc
;
7250 /* Create Fast Path FCP CQs */
7251 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
7252 phba
->sli4_hba
.cq_ecount
);
7254 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7255 "0499 Failed allocate fast-path FCP "
7259 phba
->sli4_hba
.fcp_cq
[idx
] = qdesc
;
7261 /* Create Fast Path FCP WQs */
7262 if (phba
->fcp_embed_io
) {
7263 qdesc
= lpfc_sli4_queue_alloc(phba
,
7265 LPFC_WQE128_DEF_COUNT
);
7267 qdesc
= lpfc_sli4_queue_alloc(phba
,
7268 phba
->sli4_hba
.wq_esize
,
7269 phba
->sli4_hba
.wq_ecount
);
7272 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7273 "0503 Failed allocate fast-path FCP "
7277 phba
->sli4_hba
.fcp_wq
[idx
] = qdesc
;
7282 * Create Slow Path Completion Queues (CQs)
7285 /* Create slow-path Mailbox Command Complete Queue */
7286 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
7287 phba
->sli4_hba
.cq_ecount
);
7289 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7290 "0500 Failed allocate slow-path mailbox CQ\n");
7293 phba
->sli4_hba
.mbx_cq
= qdesc
;
7295 /* Create slow-path ELS Complete Queue */
7296 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
7297 phba
->sli4_hba
.cq_ecount
);
7299 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7300 "0501 Failed allocate slow-path ELS CQ\n");
7303 phba
->sli4_hba
.els_cq
= qdesc
;
7307 * Create Slow Path Work Queues (WQs)
7310 /* Create Mailbox Command Queue */
7312 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.mq_esize
,
7313 phba
->sli4_hba
.mq_ecount
);
7315 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7316 "0505 Failed allocate slow-path MQ\n");
7319 phba
->sli4_hba
.mbx_wq
= qdesc
;
7322 * Create ELS Work Queues
7325 /* Create slow-path ELS Work Queue */
7326 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
7327 phba
->sli4_hba
.wq_ecount
);
7329 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7330 "0504 Failed allocate slow-path ELS WQ\n");
7333 phba
->sli4_hba
.els_wq
= qdesc
;
7336 * Create Receive Queue (RQ)
7339 /* Create Receive Queue for header */
7340 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
7341 phba
->sli4_hba
.rq_ecount
);
7343 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7344 "0506 Failed allocate receive HRQ\n");
7347 phba
->sli4_hba
.hdr_rq
= qdesc
;
7349 /* Create Receive Queue for data */
7350 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
7351 phba
->sli4_hba
.rq_ecount
);
7353 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7354 "0507 Failed allocate receive DRQ\n");
7357 phba
->sli4_hba
.dat_rq
= qdesc
;
7359 /* Create the Queues needed for Flash Optimized Fabric operations */
7361 lpfc_fof_queue_create(phba
);
7365 lpfc_sli4_queue_destroy(phba
);
7370 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
7371 * @phba: pointer to lpfc hba data structure.
7373 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
7378 * -ENOMEM - No available memory
7379 * -EIO - The mailbox failed to complete successfully.
7382 lpfc_sli4_queue_destroy(struct lpfc_hba
*phba
)
7387 lpfc_fof_queue_destroy(phba
);
7389 if (phba
->sli4_hba
.hba_eq
!= NULL
) {
7390 /* Release HBA event queue */
7391 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
7392 if (phba
->sli4_hba
.hba_eq
[idx
] != NULL
) {
7393 lpfc_sli4_queue_free(
7394 phba
->sli4_hba
.hba_eq
[idx
]);
7395 phba
->sli4_hba
.hba_eq
[idx
] = NULL
;
7398 kfree(phba
->sli4_hba
.hba_eq
);
7399 phba
->sli4_hba
.hba_eq
= NULL
;
7402 if (phba
->sli4_hba
.fcp_cq
!= NULL
) {
7403 /* Release FCP completion queue */
7404 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
7405 if (phba
->sli4_hba
.fcp_cq
[idx
] != NULL
) {
7406 lpfc_sli4_queue_free(
7407 phba
->sli4_hba
.fcp_cq
[idx
]);
7408 phba
->sli4_hba
.fcp_cq
[idx
] = NULL
;
7411 kfree(phba
->sli4_hba
.fcp_cq
);
7412 phba
->sli4_hba
.fcp_cq
= NULL
;
7415 if (phba
->sli4_hba
.fcp_wq
!= NULL
) {
7416 /* Release FCP work queue */
7417 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
7418 if (phba
->sli4_hba
.fcp_wq
[idx
] != NULL
) {
7419 lpfc_sli4_queue_free(
7420 phba
->sli4_hba
.fcp_wq
[idx
]);
7421 phba
->sli4_hba
.fcp_wq
[idx
] = NULL
;
7424 kfree(phba
->sli4_hba
.fcp_wq
);
7425 phba
->sli4_hba
.fcp_wq
= NULL
;
7428 /* Release FCP CQ mapping array */
7429 if (phba
->sli4_hba
.fcp_cq_map
!= NULL
) {
7430 kfree(phba
->sli4_hba
.fcp_cq_map
);
7431 phba
->sli4_hba
.fcp_cq_map
= NULL
;
7434 /* Release mailbox command work queue */
7435 if (phba
->sli4_hba
.mbx_wq
!= NULL
) {
7436 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
7437 phba
->sli4_hba
.mbx_wq
= NULL
;
7440 /* Release ELS work queue */
7441 if (phba
->sli4_hba
.els_wq
!= NULL
) {
7442 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
7443 phba
->sli4_hba
.els_wq
= NULL
;
7446 /* Release unsolicited receive queue */
7447 if (phba
->sli4_hba
.hdr_rq
!= NULL
) {
7448 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
7449 phba
->sli4_hba
.hdr_rq
= NULL
;
7451 if (phba
->sli4_hba
.dat_rq
!= NULL
) {
7452 lpfc_sli4_queue_free(phba
->sli4_hba
.dat_rq
);
7453 phba
->sli4_hba
.dat_rq
= NULL
;
7456 /* Release ELS complete queue */
7457 if (phba
->sli4_hba
.els_cq
!= NULL
) {
7458 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
7459 phba
->sli4_hba
.els_cq
= NULL
;
7462 /* Release mailbox command complete queue */
7463 if (phba
->sli4_hba
.mbx_cq
!= NULL
) {
7464 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
7465 phba
->sli4_hba
.mbx_cq
= NULL
;
7472 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
7473 * @phba: pointer to lpfc hba data structure.
7475 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
7480 * -ENOMEM - No available memory
7481 * -EIO - The mailbox failed to complete successfully.
7484 lpfc_sli4_queue_setup(struct lpfc_hba
*phba
)
7486 struct lpfc_sli
*psli
= &phba
->sli
;
7487 struct lpfc_sli_ring
*pring
;
7489 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
7490 int fcp_cq_index
= 0;
7491 uint32_t shdr_status
, shdr_add_status
;
7492 union lpfc_sli4_cfg_shdr
*shdr
;
7493 LPFC_MBOXQ_t
*mboxq
;
7496 /* Check for dual-ULP support */
7497 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7499 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7500 "3249 Unable to allocate memory for "
7501 "QUERY_FW_CFG mailbox command\n");
7504 length
= (sizeof(struct lpfc_mbx_query_fw_config
) -
7505 sizeof(struct lpfc_sli4_cfg_mhdr
));
7506 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7507 LPFC_MBOX_OPCODE_QUERY_FW_CFG
,
7508 length
, LPFC_SLI4_MBX_EMBED
);
7510 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7512 shdr
= (union lpfc_sli4_cfg_shdr
*)
7513 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7514 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7515 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
7516 if (shdr_status
|| shdr_add_status
|| rc
) {
7517 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7518 "3250 QUERY_FW_CFG mailbox failed with status "
7519 "x%x add_status x%x, mbx status x%x\n",
7520 shdr_status
, shdr_add_status
, rc
);
7521 if (rc
!= MBX_TIMEOUT
)
7522 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7527 phba
->sli4_hba
.fw_func_mode
=
7528 mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.function_mode
;
7529 phba
->sli4_hba
.ulp0_mode
= mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.ulp0_mode
;
7530 phba
->sli4_hba
.ulp1_mode
= mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.ulp1_mode
;
7531 phba
->sli4_hba
.physical_port
=
7532 mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.physical_port
;
7533 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7534 "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, "
7535 "ulp1_mode:x%x\n", phba
->sli4_hba
.fw_func_mode
,
7536 phba
->sli4_hba
.ulp0_mode
, phba
->sli4_hba
.ulp1_mode
);
7538 if (rc
!= MBX_TIMEOUT
)
7539 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7542 * Set up HBA Event Queues (EQs)
7545 /* Set up HBA event queue */
7546 if (phba
->cfg_fcp_io_channel
&& !phba
->sli4_hba
.hba_eq
) {
7547 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7548 "3147 Fast-path EQs not allocated\n");
7552 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_io_channel
; fcp_eqidx
++) {
7553 if (!phba
->sli4_hba
.hba_eq
[fcp_eqidx
]) {
7554 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7555 "0522 Fast-path EQ (%d) not "
7556 "allocated\n", fcp_eqidx
);
7558 goto out_destroy_hba_eq
;
7560 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.hba_eq
[fcp_eqidx
],
7561 (phba
->cfg_fcp_imax
/ phba
->cfg_fcp_io_channel
));
7563 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7564 "0523 Failed setup of fast-path EQ "
7565 "(%d), rc = 0x%x\n", fcp_eqidx
,
7567 goto out_destroy_hba_eq
;
7569 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7570 "2584 HBA EQ setup: "
7571 "queue[%d]-id=%d\n", fcp_eqidx
,
7572 phba
->sli4_hba
.hba_eq
[fcp_eqidx
]->queue_id
);
7575 /* Set up fast-path FCP Response Complete Queue */
7576 if (!phba
->sli4_hba
.fcp_cq
) {
7577 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7578 "3148 Fast-path FCP CQ array not "
7581 goto out_destroy_hba_eq
;
7584 for (fcp_cqidx
= 0; fcp_cqidx
< phba
->cfg_fcp_io_channel
; fcp_cqidx
++) {
7585 if (!phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]) {
7586 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7587 "0526 Fast-path FCP CQ (%d) not "
7588 "allocated\n", fcp_cqidx
);
7590 goto out_destroy_fcp_cq
;
7592 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
7593 phba
->sli4_hba
.hba_eq
[fcp_cqidx
], LPFC_WCQ
, LPFC_FCP
);
7595 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7596 "0527 Failed setup of fast-path FCP "
7597 "CQ (%d), rc = 0x%x\n", fcp_cqidx
,
7599 goto out_destroy_fcp_cq
;
7602 /* Setup fcp_cq_map for fast lookup */
7603 phba
->sli4_hba
.fcp_cq_map
[fcp_cqidx
] =
7604 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
;
7606 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7607 "2588 FCP CQ setup: cq[%d]-id=%d, "
7608 "parent seq[%d]-id=%d\n",
7610 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
,
7612 phba
->sli4_hba
.hba_eq
[fcp_cqidx
]->queue_id
);
7615 /* Set up fast-path FCP Work Queue */
7616 if (!phba
->sli4_hba
.fcp_wq
) {
7617 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7618 "3149 Fast-path FCP WQ array not "
7621 goto out_destroy_fcp_cq
;
7624 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_io_channel
; fcp_wqidx
++) {
7625 if (!phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]) {
7626 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7627 "0534 Fast-path FCP WQ (%d) not "
7628 "allocated\n", fcp_wqidx
);
7630 goto out_destroy_fcp_wq
;
7632 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
],
7633 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
],
7636 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7637 "0535 Failed setup of fast-path FCP "
7638 "WQ (%d), rc = 0x%x\n", fcp_wqidx
,
7640 goto out_destroy_fcp_wq
;
7643 /* Bind this WQ to the next FCP ring */
7644 pring
= &psli
->ring
[MAX_SLI3_CONFIGURED_RINGS
+ fcp_wqidx
];
7645 pring
->sli
.sli4
.wqp
= (void *)phba
->sli4_hba
.fcp_wq
[fcp_wqidx
];
7646 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
]->pring
= pring
;
7648 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7649 "2591 FCP WQ setup: wq[%d]-id=%d, "
7650 "parent cq[%d]-id=%d\n",
7652 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]->queue_id
,
7654 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
]->queue_id
);
7657 * Set up Complete Queues (CQs)
7660 /* Set up slow-path MBOX Complete Queue as the first CQ */
7661 if (!phba
->sli4_hba
.mbx_cq
) {
7662 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7663 "0528 Mailbox CQ not allocated\n");
7665 goto out_destroy_fcp_wq
;
7667 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.mbx_cq
,
7668 phba
->sli4_hba
.hba_eq
[0], LPFC_MCQ
, LPFC_MBOX
);
7670 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7671 "0529 Failed setup of slow-path mailbox CQ: "
7672 "rc = 0x%x\n", (uint32_t)rc
);
7673 goto out_destroy_fcp_wq
;
7675 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7676 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
7677 phba
->sli4_hba
.mbx_cq
->queue_id
,
7678 phba
->sli4_hba
.hba_eq
[0]->queue_id
);
7680 /* Set up slow-path ELS Complete Queue */
7681 if (!phba
->sli4_hba
.els_cq
) {
7682 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7683 "0530 ELS CQ not allocated\n");
7685 goto out_destroy_mbx_cq
;
7687 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.els_cq
,
7688 phba
->sli4_hba
.hba_eq
[0], LPFC_WCQ
, LPFC_ELS
);
7690 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7691 "0531 Failed setup of slow-path ELS CQ: "
7692 "rc = 0x%x\n", (uint32_t)rc
);
7693 goto out_destroy_mbx_cq
;
7695 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7696 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
7697 phba
->sli4_hba
.els_cq
->queue_id
,
7698 phba
->sli4_hba
.hba_eq
[0]->queue_id
);
7701 * Set up all the Work Queues (WQs)
7704 /* Set up Mailbox Command Queue */
7705 if (!phba
->sli4_hba
.mbx_wq
) {
7706 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7707 "0538 Slow-path MQ not allocated\n");
7709 goto out_destroy_els_cq
;
7711 rc
= lpfc_mq_create(phba
, phba
->sli4_hba
.mbx_wq
,
7712 phba
->sli4_hba
.mbx_cq
, LPFC_MBOX
);
7714 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7715 "0539 Failed setup of slow-path MQ: "
7717 goto out_destroy_els_cq
;
7719 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7720 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
7721 phba
->sli4_hba
.mbx_wq
->queue_id
,
7722 phba
->sli4_hba
.mbx_cq
->queue_id
);
7724 /* Set up slow-path ELS Work Queue */
7725 if (!phba
->sli4_hba
.els_wq
) {
7726 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7727 "0536 Slow-path ELS WQ not allocated\n");
7729 goto out_destroy_mbx_wq
;
7731 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.els_wq
,
7732 phba
->sli4_hba
.els_cq
, LPFC_ELS
);
7734 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7735 "0537 Failed setup of slow-path ELS WQ: "
7736 "rc = 0x%x\n", (uint32_t)rc
);
7737 goto out_destroy_mbx_wq
;
7740 /* Bind this WQ to the ELS ring */
7741 pring
= &psli
->ring
[LPFC_ELS_RING
];
7742 pring
->sli
.sli4
.wqp
= (void *)phba
->sli4_hba
.els_wq
;
7743 phba
->sli4_hba
.els_cq
->pring
= pring
;
7745 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7746 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
7747 phba
->sli4_hba
.els_wq
->queue_id
,
7748 phba
->sli4_hba
.els_cq
->queue_id
);
7751 * Create Receive Queue (RQ)
7753 if (!phba
->sli4_hba
.hdr_rq
|| !phba
->sli4_hba
.dat_rq
) {
7754 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7755 "0540 Receive Queue not allocated\n");
7757 goto out_destroy_els_wq
;
7760 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.hdr_rq
, LPFC_ELS_HBQ
);
7761 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.dat_rq
, LPFC_ELS_HBQ
);
7763 rc
= lpfc_rq_create(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
7764 phba
->sli4_hba
.els_cq
, LPFC_USOL
);
7766 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7767 "0541 Failed setup of Receive Queue: "
7768 "rc = 0x%x\n", (uint32_t)rc
);
7769 goto out_destroy_fcp_wq
;
7772 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7773 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
7774 "parent cq-id=%d\n",
7775 phba
->sli4_hba
.hdr_rq
->queue_id
,
7776 phba
->sli4_hba
.dat_rq
->queue_id
,
7777 phba
->sli4_hba
.els_cq
->queue_id
);
7779 if (phba
->cfg_fof
) {
7780 rc
= lpfc_fof_queue_setup(phba
);
7782 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7783 "0549 Failed setup of FOF Queues: "
7785 goto out_destroy_els_rq
;
7790 * Configure EQ delay multipier for interrupt coalescing using
7791 * MODIFY_EQ_DELAY for all EQs created, LPFC_MAX_EQ_DELAY at a time.
7793 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_io_channel
;
7794 fcp_eqidx
+= LPFC_MAX_EQ_DELAY
)
7795 lpfc_modify_fcp_eq_delay(phba
, fcp_eqidx
);
7799 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
);
7801 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
7803 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
7805 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
7807 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
7809 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--)
7810 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
7812 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--)
7813 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
7815 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--)
7816 lpfc_eq_destroy(phba
, phba
->sli4_hba
.hba_eq
[fcp_eqidx
]);
7822 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
7823 * @phba: pointer to lpfc hba data structure.
7825 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
7830 * -ENOMEM - No available memory
7831 * -EIO - The mailbox failed to complete successfully.
7834 lpfc_sli4_queue_unset(struct lpfc_hba
*phba
)
7838 /* Unset the queues created for Flash Optimized Fabric operations */
7840 lpfc_fof_queue_destroy(phba
);
7841 /* Unset mailbox command work queue */
7842 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
7843 /* Unset ELS work queue */
7844 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
7845 /* Unset unsolicited receive queue */
7846 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
);
7847 /* Unset FCP work queue */
7848 if (phba
->sli4_hba
.fcp_wq
) {
7849 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7851 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
7853 /* Unset mailbox command complete queue */
7854 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
7855 /* Unset ELS complete queue */
7856 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
7857 /* Unset FCP response complete queue */
7858 if (phba
->sli4_hba
.fcp_cq
) {
7859 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7861 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
7863 /* Unset fast-path event queue */
7864 if (phba
->sli4_hba
.hba_eq
) {
7865 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7867 lpfc_eq_destroy(phba
, phba
->sli4_hba
.hba_eq
[fcp_qidx
]);
7872 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
7873 * @phba: pointer to lpfc hba data structure.
7875 * This routine is invoked to allocate and set up a pool of completion queue
7876 * events. The body of the completion queue event is a completion queue entry
7877 * CQE. For now, this pool is used for the interrupt service routine to queue
7878 * the following HBA completion queue events for the worker thread to process:
7879 * - Mailbox asynchronous events
7880 * - Receive queue completion unsolicited events
7881 * Later, this can be used for all the slow-path events.
7885 * -ENOMEM - No available memory
7888 lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*phba
)
7890 struct lpfc_cq_event
*cq_event
;
7893 for (i
= 0; i
< (4 * phba
->sli4_hba
.cq_ecount
); i
++) {
7894 cq_event
= kmalloc(sizeof(struct lpfc_cq_event
), GFP_KERNEL
);
7896 goto out_pool_create_fail
;
7897 list_add_tail(&cq_event
->list
,
7898 &phba
->sli4_hba
.sp_cqe_event_pool
);
7902 out_pool_create_fail
:
7903 lpfc_sli4_cq_event_pool_destroy(phba
);
7908 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
7909 * @phba: pointer to lpfc hba data structure.
7911 * This routine is invoked to free the pool of completion queue events at
7912 * driver unload time. Note that, it is the responsibility of the driver
7913 * cleanup routine to free all the outstanding completion-queue events
7914 * allocated from this pool back into the pool before invoking this routine
7915 * to destroy the pool.
7918 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*phba
)
7920 struct lpfc_cq_event
*cq_event
, *next_cq_event
;
7922 list_for_each_entry_safe(cq_event
, next_cq_event
,
7923 &phba
->sli4_hba
.sp_cqe_event_pool
, list
) {
7924 list_del(&cq_event
->list
);
7930 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7931 * @phba: pointer to lpfc hba data structure.
7933 * This routine is the lock free version of the API invoked to allocate a
7934 * completion-queue event from the free pool.
7936 * Return: Pointer to the newly allocated completion-queue event if successful
7939 struct lpfc_cq_event
*
7940 __lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
7942 struct lpfc_cq_event
*cq_event
= NULL
;
7944 list_remove_head(&phba
->sli4_hba
.sp_cqe_event_pool
, cq_event
,
7945 struct lpfc_cq_event
, list
);
7950 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7951 * @phba: pointer to lpfc hba data structure.
7953 * This routine is the lock version of the API invoked to allocate a
7954 * completion-queue event from the free pool.
7956 * Return: Pointer to the newly allocated completion-queue event if successful
7959 struct lpfc_cq_event
*
7960 lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
7962 struct lpfc_cq_event
*cq_event
;
7963 unsigned long iflags
;
7965 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7966 cq_event
= __lpfc_sli4_cq_event_alloc(phba
);
7967 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7972 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7973 * @phba: pointer to lpfc hba data structure.
7974 * @cq_event: pointer to the completion queue event to be freed.
7976 * This routine is the lock free version of the API invoked to release a
7977 * completion-queue event back into the free pool.
7980 __lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
7981 struct lpfc_cq_event
*cq_event
)
7983 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_cqe_event_pool
);
7987 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7988 * @phba: pointer to lpfc hba data structure.
7989 * @cq_event: pointer to the completion queue event to be freed.
7991 * This routine is the lock version of the API invoked to release a
7992 * completion-queue event back into the free pool.
7995 lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
7996 struct lpfc_cq_event
*cq_event
)
7998 unsigned long iflags
;
7999 spin_lock_irqsave(&phba
->hbalock
, iflags
);
8000 __lpfc_sli4_cq_event_release(phba
, cq_event
);
8001 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
8005 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
8006 * @phba: pointer to lpfc hba data structure.
8008 * This routine is to free all the pending completion-queue events to the
8009 * back into the free pool for device reset.
8012 lpfc_sli4_cq_event_release_all(struct lpfc_hba
*phba
)
8015 struct lpfc_cq_event
*cqe
;
8016 unsigned long iflags
;
8018 /* Retrieve all the pending WCQEs from pending WCQE lists */
8019 spin_lock_irqsave(&phba
->hbalock
, iflags
);
8020 /* Pending FCP XRI abort events */
8021 list_splice_init(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
8023 /* Pending ELS XRI abort events */
8024 list_splice_init(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
8026 /* Pending asynnc events */
8027 list_splice_init(&phba
->sli4_hba
.sp_asynce_work_queue
,
8029 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
8031 while (!list_empty(&cqelist
)) {
8032 list_remove_head(&cqelist
, cqe
, struct lpfc_cq_event
, list
);
8033 lpfc_sli4_cq_event_release(phba
, cqe
);
8038 * lpfc_pci_function_reset - Reset pci function.
8039 * @phba: pointer to lpfc hba data structure.
8041 * This routine is invoked to request a PCI function reset. It will destroys
8042 * all resources assigned to the PCI function which originates this request.
8046 * -ENOMEM - No available memory
8047 * -EIO - The mailbox failed to complete successfully.
8050 lpfc_pci_function_reset(struct lpfc_hba
*phba
)
8052 LPFC_MBOXQ_t
*mboxq
;
8053 uint32_t rc
= 0, if_type
;
8054 uint32_t shdr_status
, shdr_add_status
;
8056 uint32_t port_reset
= 0;
8057 union lpfc_sli4_cfg_shdr
*shdr
;
8058 struct lpfc_register reg_data
;
8061 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
8063 case LPFC_SLI_INTF_IF_TYPE_0
:
8064 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
8067 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8068 "0494 Unable to allocate memory for "
8069 "issuing SLI_FUNCTION_RESET mailbox "
8074 /* Setup PCI function reset mailbox-ioctl command */
8075 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
8076 LPFC_MBOX_OPCODE_FUNCTION_RESET
, 0,
8077 LPFC_SLI4_MBX_EMBED
);
8078 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8079 shdr
= (union lpfc_sli4_cfg_shdr
*)
8080 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
8081 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
8082 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
8084 if (rc
!= MBX_TIMEOUT
)
8085 mempool_free(mboxq
, phba
->mbox_mem_pool
);
8086 if (shdr_status
|| shdr_add_status
|| rc
) {
8087 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8088 "0495 SLI_FUNCTION_RESET mailbox "
8089 "failed with status x%x add_status x%x,"
8090 " mbx status x%x\n",
8091 shdr_status
, shdr_add_status
, rc
);
8095 case LPFC_SLI_INTF_IF_TYPE_2
:
8098 * Poll the Port Status Register and wait for RDY for
8099 * up to 30 seconds. If the port doesn't respond, treat
8102 for (rdy_chk
= 0; rdy_chk
< 1500; rdy_chk
++) {
8103 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.
8104 STATUSregaddr
, ®_data
.word0
)) {
8108 if (bf_get(lpfc_sliport_status_rdy
, ®_data
))
8113 if (!bf_get(lpfc_sliport_status_rdy
, ®_data
)) {
8114 phba
->work_status
[0] = readl(
8115 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
8116 phba
->work_status
[1] = readl(
8117 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
8118 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8119 "2890 Port not ready, port status reg "
8120 "0x%x error 1=0x%x, error 2=0x%x\n",
8122 phba
->work_status
[0],
8123 phba
->work_status
[1]);
8130 * Reset the port now
8133 bf_set(lpfc_sliport_ctrl_end
, ®_data
,
8134 LPFC_SLIPORT_LITTLE_ENDIAN
);
8135 bf_set(lpfc_sliport_ctrl_ip
, ®_data
,
8136 LPFC_SLIPORT_INIT_PORT
);
8137 writel(reg_data
.word0
, phba
->sli4_hba
.u
.if_type2
.
8140 pci_read_config_word(phba
->pcidev
,
8141 PCI_DEVICE_ID
, &devid
);
8146 } else if (bf_get(lpfc_sliport_status_rn
, ®_data
)) {
8152 case LPFC_SLI_INTF_IF_TYPE_1
:
8158 /* Catch the not-ready port failure after a port reset. */
8160 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8161 "3317 HBA not functional: IP Reset Failed "
8162 "try: echo fw_reset > board_mode\n");
8170 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
8171 * @phba: pointer to lpfc hba data structure.
8173 * This routine is invoked to set up the PCI device memory space for device
8174 * with SLI-4 interface spec.
8178 * other values - error
8181 lpfc_sli4_pci_mem_setup(struct lpfc_hba
*phba
)
8183 struct pci_dev
*pdev
;
8184 unsigned long bar0map_len
, bar1map_len
, bar2map_len
;
8185 int error
= -ENODEV
;
8188 /* Obtain PCI device reference */
8192 pdev
= phba
->pcidev
;
8194 /* Set the device DMA mask size */
8195 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
8196 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
8197 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
8198 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
8204 * The BARs and register set definitions and offset locations are
8205 * dependent on the if_type.
8207 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
,
8208 &phba
->sli4_hba
.sli_intf
.word0
)) {
8212 /* There is no SLI3 failback for SLI4 devices. */
8213 if (bf_get(lpfc_sli_intf_valid
, &phba
->sli4_hba
.sli_intf
) !=
8214 LPFC_SLI_INTF_VALID
) {
8215 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8216 "2894 SLI_INTF reg contents invalid "
8217 "sli_intf reg 0x%x\n",
8218 phba
->sli4_hba
.sli_intf
.word0
);
8222 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
8224 * Get the bus address of SLI4 device Bar regions and the
8225 * number of bytes required by each mapping. The mapping of the
8226 * particular PCI BARs regions is dependent on the type of
8229 if (pci_resource_start(pdev
, PCI_64BIT_BAR0
)) {
8230 phba
->pci_bar0_map
= pci_resource_start(pdev
, PCI_64BIT_BAR0
);
8231 bar0map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR0
);
8234 * Map SLI4 PCI Config Space Register base to a kernel virtual
8237 phba
->sli4_hba
.conf_regs_memmap_p
=
8238 ioremap(phba
->pci_bar0_map
, bar0map_len
);
8239 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
8240 dev_printk(KERN_ERR
, &pdev
->dev
,
8241 "ioremap failed for SLI4 PCI config "
8245 phba
->pci_bar0_memmap_p
= phba
->sli4_hba
.conf_regs_memmap_p
;
8246 /* Set up BAR0 PCI config space register memory map */
8247 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
8249 phba
->pci_bar0_map
= pci_resource_start(pdev
, 1);
8250 bar0map_len
= pci_resource_len(pdev
, 1);
8251 if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
8252 dev_printk(KERN_ERR
, &pdev
->dev
,
8253 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
8256 phba
->sli4_hba
.conf_regs_memmap_p
=
8257 ioremap(phba
->pci_bar0_map
, bar0map_len
);
8258 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
8259 dev_printk(KERN_ERR
, &pdev
->dev
,
8260 "ioremap failed for SLI4 PCI config "
8264 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
8267 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
8268 (pci_resource_start(pdev
, PCI_64BIT_BAR2
))) {
8270 * Map SLI4 if type 0 HBA Control Register base to a kernel
8271 * virtual address and setup the registers.
8273 phba
->pci_bar1_map
= pci_resource_start(pdev
, PCI_64BIT_BAR2
);
8274 bar1map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR2
);
8275 phba
->sli4_hba
.ctrl_regs_memmap_p
=
8276 ioremap(phba
->pci_bar1_map
, bar1map_len
);
8277 if (!phba
->sli4_hba
.ctrl_regs_memmap_p
) {
8278 dev_printk(KERN_ERR
, &pdev
->dev
,
8279 "ioremap failed for SLI4 HBA control registers.\n");
8280 goto out_iounmap_conf
;
8282 phba
->pci_bar2_memmap_p
= phba
->sli4_hba
.ctrl_regs_memmap_p
;
8283 lpfc_sli4_bar1_register_memmap(phba
);
8286 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
8287 (pci_resource_start(pdev
, PCI_64BIT_BAR4
))) {
8289 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
8290 * virtual address and setup the registers.
8292 phba
->pci_bar2_map
= pci_resource_start(pdev
, PCI_64BIT_BAR4
);
8293 bar2map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR4
);
8294 phba
->sli4_hba
.drbl_regs_memmap_p
=
8295 ioremap(phba
->pci_bar2_map
, bar2map_len
);
8296 if (!phba
->sli4_hba
.drbl_regs_memmap_p
) {
8297 dev_printk(KERN_ERR
, &pdev
->dev
,
8298 "ioremap failed for SLI4 HBA doorbell registers.\n");
8299 goto out_iounmap_ctrl
;
8301 phba
->pci_bar4_memmap_p
= phba
->sli4_hba
.drbl_regs_memmap_p
;
8302 error
= lpfc_sli4_bar2_register_memmap(phba
, LPFC_VF0
);
8304 goto out_iounmap_all
;
8310 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
8312 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
8314 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
8320 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
8321 * @phba: pointer to lpfc hba data structure.
8323 * This routine is invoked to unset the PCI device memory space for device
8324 * with SLI-4 interface spec.
8327 lpfc_sli4_pci_mem_unset(struct lpfc_hba
*phba
)
8330 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
8333 case LPFC_SLI_INTF_IF_TYPE_0
:
8334 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
8335 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
8336 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
8338 case LPFC_SLI_INTF_IF_TYPE_2
:
8339 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
8341 case LPFC_SLI_INTF_IF_TYPE_1
:
8343 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
8344 "FATAL - unsupported SLI4 interface type - %d\n",
8351 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
8352 * @phba: pointer to lpfc hba data structure.
8354 * This routine is invoked to enable the MSI-X interrupt vectors to device
8355 * with SLI-3 interface specs. The kernel function pci_enable_msix_exact()
8356 * is called to enable the MSI-X vectors. Note that pci_enable_msix_exact(),
8357 * once invoked, enables either all or nothing, depending on the current
8358 * availability of PCI vector resources. The device driver is responsible
8359 * for calling the individual request_irq() to register each MSI-X vector
8360 * with a interrupt handler, which is done in this function. Note that
8361 * later when device is unloading, the driver should always call free_irq()
8362 * on all MSI-X vectors it has done request_irq() on before calling
8363 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
8364 * will be left with MSI-X enabled and leaks its vectors.
8368 * other values - error
8371 lpfc_sli_enable_msix(struct lpfc_hba
*phba
)
8376 /* Set up MSI-X multi-message vectors */
8377 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
8378 phba
->msix_entries
[i
].entry
= i
;
8380 /* Configure MSI-X capability structure */
8381 rc
= pci_enable_msix_exact(phba
->pcidev
, phba
->msix_entries
,
8384 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8385 "0420 PCI enable MSI-X failed (%d)\n", rc
);
8388 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
8389 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8390 "0477 MSI-X entry[%d]: vector=x%x "
8392 phba
->msix_entries
[i
].vector
,
8393 phba
->msix_entries
[i
].entry
);
8395 * Assign MSI-X vectors to interrupt handlers
8398 /* vector-0 is associated to slow-path handler */
8399 rc
= request_irq(phba
->msix_entries
[0].vector
,
8400 &lpfc_sli_sp_intr_handler
, 0,
8401 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
8403 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8404 "0421 MSI-X slow-path request_irq failed "
8409 /* vector-1 is associated to fast-path handler */
8410 rc
= request_irq(phba
->msix_entries
[1].vector
,
8411 &lpfc_sli_fp_intr_handler
, 0,
8412 LPFC_FP_DRIVER_HANDLER_NAME
, phba
);
8415 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8416 "0429 MSI-X fast-path request_irq failed "
8422 * Configure HBA MSI-X attention conditions to messages
8424 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
8428 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8429 "0474 Unable to allocate memory for issuing "
8430 "MBOX_CONFIG_MSI command\n");
8433 rc
= lpfc_config_msi(phba
, pmb
);
8436 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
8437 if (rc
!= MBX_SUCCESS
) {
8438 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
8439 "0351 Config MSI mailbox command failed, "
8440 "mbxCmd x%x, mbxStatus x%x\n",
8441 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
);
8445 /* Free memory allocated for mailbox command */
8446 mempool_free(pmb
, phba
->mbox_mem_pool
);
8450 /* Free memory allocated for mailbox command */
8451 mempool_free(pmb
, phba
->mbox_mem_pool
);
8454 /* free the irq already requested */
8455 free_irq(phba
->msix_entries
[1].vector
, phba
);
8458 /* free the irq already requested */
8459 free_irq(phba
->msix_entries
[0].vector
, phba
);
8462 /* Unconfigure MSI-X capability structure */
8463 pci_disable_msix(phba
->pcidev
);
8470 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
8471 * @phba: pointer to lpfc hba data structure.
8473 * This routine is invoked to release the MSI-X vectors and then disable the
8474 * MSI-X interrupt mode to device with SLI-3 interface spec.
8477 lpfc_sli_disable_msix(struct lpfc_hba
*phba
)
8481 /* Free up MSI-X multi-message vectors */
8482 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
8483 free_irq(phba
->msix_entries
[i
].vector
, phba
);
8485 pci_disable_msix(phba
->pcidev
);
8491 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
8492 * @phba: pointer to lpfc hba data structure.
8494 * This routine is invoked to enable the MSI interrupt mode to device with
8495 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
8496 * enable the MSI vector. The device driver is responsible for calling the
8497 * request_irq() to register MSI vector with a interrupt the handler, which
8498 * is done in this function.
8502 * other values - error
8505 lpfc_sli_enable_msi(struct lpfc_hba
*phba
)
8509 rc
= pci_enable_msi(phba
->pcidev
);
8511 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8512 "0462 PCI enable MSI mode success.\n");
8514 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8515 "0471 PCI enable MSI mode failed (%d)\n", rc
);
8519 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
8520 0, LPFC_DRIVER_NAME
, phba
);
8522 pci_disable_msi(phba
->pcidev
);
8523 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8524 "0478 MSI request_irq failed (%d)\n", rc
);
8530 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
8531 * @phba: pointer to lpfc hba data structure.
8533 * This routine is invoked to disable the MSI interrupt mode to device with
8534 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
8535 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8536 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8540 lpfc_sli_disable_msi(struct lpfc_hba
*phba
)
8542 free_irq(phba
->pcidev
->irq
, phba
);
8543 pci_disable_msi(phba
->pcidev
);
8548 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
8549 * @phba: pointer to lpfc hba data structure.
8551 * This routine is invoked to enable device interrupt and associate driver's
8552 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
8553 * spec. Depends on the interrupt mode configured to the driver, the driver
8554 * will try to fallback from the configured interrupt mode to an interrupt
8555 * mode which is supported by the platform, kernel, and device in the order
8557 * MSI-X -> MSI -> IRQ.
8561 * other values - error
8564 lpfc_sli_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
8566 uint32_t intr_mode
= LPFC_INTR_ERROR
;
8569 if (cfg_mode
== 2) {
8570 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
8571 retval
= lpfc_sli_config_port(phba
, LPFC_SLI_REV3
);
8573 /* Now, try to enable MSI-X interrupt mode */
8574 retval
= lpfc_sli_enable_msix(phba
);
8576 /* Indicate initialization to MSI-X mode */
8577 phba
->intr_type
= MSIX
;
8583 /* Fallback to MSI if MSI-X initialization failed */
8584 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
8585 retval
= lpfc_sli_enable_msi(phba
);
8587 /* Indicate initialization to MSI mode */
8588 phba
->intr_type
= MSI
;
8593 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8594 if (phba
->intr_type
== NONE
) {
8595 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
8596 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8598 /* Indicate initialization to INTx mode */
8599 phba
->intr_type
= INTx
;
8607 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
8608 * @phba: pointer to lpfc hba data structure.
8610 * This routine is invoked to disable device interrupt and disassociate the
8611 * driver's interrupt handler(s) from interrupt vector(s) to device with
8612 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
8613 * release the interrupt vector(s) for the message signaled interrupt.
8616 lpfc_sli_disable_intr(struct lpfc_hba
*phba
)
8618 /* Disable the currently initialized interrupt mode */
8619 if (phba
->intr_type
== MSIX
)
8620 lpfc_sli_disable_msix(phba
);
8621 else if (phba
->intr_type
== MSI
)
8622 lpfc_sli_disable_msi(phba
);
8623 else if (phba
->intr_type
== INTx
)
8624 free_irq(phba
->pcidev
->irq
, phba
);
8626 /* Reset interrupt management states */
8627 phba
->intr_type
= NONE
;
8628 phba
->sli
.slistat
.sli_intr
= 0;
8634 * lpfc_find_next_cpu - Find next available CPU that matches the phys_id
8635 * @phba: pointer to lpfc hba data structure.
8637 * Find next available CPU to use for IRQ to CPU affinity.
8640 lpfc_find_next_cpu(struct lpfc_hba
*phba
, uint32_t phys_id
)
8642 struct lpfc_vector_map_info
*cpup
;
8645 cpup
= phba
->sli4_hba
.cpu_map
;
8646 for (cpu
= 0; cpu
< phba
->sli4_hba
.num_present_cpu
; cpu
++) {
8647 /* CPU must be online */
8648 if (cpu_online(cpu
)) {
8649 if ((cpup
->irq
== LPFC_VECTOR_MAP_EMPTY
) &&
8650 (lpfc_used_cpu
[cpu
] == LPFC_VECTOR_MAP_EMPTY
) &&
8651 (cpup
->phys_id
== phys_id
)) {
8659 * If we get here, we have used ALL CPUs for the specific
8660 * phys_id. Now we need to clear out lpfc_used_cpu and start
8664 for (cpu
= 0; cpu
< phba
->sli4_hba
.num_present_cpu
; cpu
++) {
8665 if (lpfc_used_cpu
[cpu
] == phys_id
)
8666 lpfc_used_cpu
[cpu
] = LPFC_VECTOR_MAP_EMPTY
;
8669 cpup
= phba
->sli4_hba
.cpu_map
;
8670 for (cpu
= 0; cpu
< phba
->sli4_hba
.num_present_cpu
; cpu
++) {
8671 /* CPU must be online */
8672 if (cpu_online(cpu
)) {
8673 if ((cpup
->irq
== LPFC_VECTOR_MAP_EMPTY
) &&
8674 (cpup
->phys_id
== phys_id
)) {
8680 return LPFC_VECTOR_MAP_EMPTY
;
8684 * lpfc_sli4_set_affinity - Set affinity for HBA IRQ vectors
8685 * @phba: pointer to lpfc hba data structure.
8686 * @vectors: number of HBA vectors
8688 * Affinitize MSIX IRQ vectors to CPUs. Try to equally spread vector
8689 * affinization across multple physical CPUs (numa nodes).
8690 * In addition, this routine will assign an IO channel for each CPU
8691 * to use when issuing I/Os.
8694 lpfc_sli4_set_affinity(struct lpfc_hba
*phba
, int vectors
)
8696 int i
, idx
, saved_chann
, used_chann
, cpu
, phys_id
;
8697 int max_phys_id
, min_phys_id
;
8698 int num_io_channel
, first_cpu
, chan
;
8699 struct lpfc_vector_map_info
*cpup
;
8701 struct cpuinfo_x86
*cpuinfo
;
8703 uint8_t chann
[LPFC_FCP_IO_CHAN_MAX
+1];
8705 /* If there is no mapping, just return */
8706 if (!phba
->cfg_fcp_cpu_map
)
8709 /* Init cpu_map array */
8710 memset(phba
->sli4_hba
.cpu_map
, 0xff,
8711 (sizeof(struct lpfc_vector_map_info
) *
8712 phba
->sli4_hba
.num_present_cpu
));
8718 first_cpu
= LPFC_VECTOR_MAP_EMPTY
;
8720 /* Update CPU map with physical id and core id of each CPU */
8721 cpup
= phba
->sli4_hba
.cpu_map
;
8722 for (cpu
= 0; cpu
< phba
->sli4_hba
.num_present_cpu
; cpu
++) {
8724 cpuinfo
= &cpu_data(cpu
);
8725 cpup
->phys_id
= cpuinfo
->phys_proc_id
;
8726 cpup
->core_id
= cpuinfo
->cpu_core_id
;
8728 /* No distinction between CPUs for other platforms */
8733 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8734 "3328 CPU physid %d coreid %d\n",
8735 cpup
->phys_id
, cpup
->core_id
);
8737 if (cpup
->phys_id
> max_phys_id
)
8738 max_phys_id
= cpup
->phys_id
;
8739 if (cpup
->phys_id
< min_phys_id
)
8740 min_phys_id
= cpup
->phys_id
;
8744 phys_id
= min_phys_id
;
8745 /* Now associate the HBA vectors with specific CPUs */
8746 for (idx
= 0; idx
< vectors
; idx
++) {
8747 cpup
= phba
->sli4_hba
.cpu_map
;
8748 cpu
= lpfc_find_next_cpu(phba
, phys_id
);
8749 if (cpu
== LPFC_VECTOR_MAP_EMPTY
) {
8751 /* Try for all phys_id's */
8752 for (i
= 1; i
< max_phys_id
; i
++) {
8754 if (phys_id
> max_phys_id
)
8755 phys_id
= min_phys_id
;
8756 cpu
= lpfc_find_next_cpu(phba
, phys_id
);
8757 if (cpu
== LPFC_VECTOR_MAP_EMPTY
)
8762 /* Use round robin for scheduling */
8763 phba
->cfg_fcp_io_sched
= LPFC_FCP_SCHED_ROUND_ROBIN
;
8765 cpup
= phba
->sli4_hba
.cpu_map
;
8766 for (i
= 0; i
< phba
->sli4_hba
.num_present_cpu
; i
++) {
8767 cpup
->channel_id
= chan
;
8770 if (chan
>= phba
->cfg_fcp_io_channel
)
8774 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8775 "3329 Cannot set affinity:"
8776 "Error mapping vector %d (%d)\n",
8782 if (phba
->cfg_fcp_cpu_map
== LPFC_DRIVER_CPU_MAP
)
8783 lpfc_used_cpu
[cpu
] = phys_id
;
8785 /* Associate vector with selected CPU */
8786 cpup
->irq
= phba
->sli4_hba
.msix_entries
[idx
].vector
;
8788 /* Associate IO channel with selected CPU */
8789 cpup
->channel_id
= idx
;
8792 if (first_cpu
== LPFC_VECTOR_MAP_EMPTY
)
8795 /* Now affinitize to the selected CPU */
8796 i
= irq_set_affinity_hint(phba
->sli4_hba
.msix_entries
[idx
].
8797 vector
, get_cpu_mask(cpu
));
8799 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8800 "3330 Set Affinity: CPU %d channel %d "
8802 cpu
, cpup
->channel_id
,
8803 phba
->sli4_hba
.msix_entries
[idx
].vector
, i
);
8805 /* Spread vector mapping across multple physical CPU nodes */
8807 if (phys_id
> max_phys_id
)
8808 phys_id
= min_phys_id
;
8812 * Finally fill in the IO channel for any remaining CPUs.
8813 * At this point, all IO channels have been assigned to a specific
8814 * MSIx vector, mapped to a specific CPU.
8815 * Base the remaining IO channel assigned, to IO channels already
8816 * assigned to other CPUs on the same phys_id.
8818 for (i
= min_phys_id
; i
<= max_phys_id
; i
++) {
8820 * If there are no io channels already mapped to
8821 * this phys_id, just round robin thru the io_channels.
8822 * Setup chann[] for round robin.
8824 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++)
8831 * First build a list of IO channels already assigned
8832 * to this phys_id before reassigning the same IO
8833 * channels to the remaining CPUs.
8835 cpup
= phba
->sli4_hba
.cpu_map
;
8838 for (idx
= 0; idx
< phba
->sli4_hba
.num_present_cpu
;
8840 if (cpup
->phys_id
== i
) {
8842 * Save any IO channels that are
8843 * already mapped to this phys_id.
8845 if (cpup
->irq
!= LPFC_VECTOR_MAP_EMPTY
) {
8847 LPFC_FCP_IO_CHAN_MAX
) {
8848 chann
[saved_chann
] =
8855 /* See if we are using round-robin */
8856 if (saved_chann
== 0)
8858 phba
->cfg_fcp_io_channel
;
8860 /* Associate next IO channel with CPU */
8861 cpup
->channel_id
= chann
[used_chann
];
8864 if (used_chann
== saved_chann
)
8867 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8868 "3331 Set IO_CHANN "
8869 "CPU %d channel %d\n",
8870 idx
, cpup
->channel_id
);
8874 if (cpu
>= phba
->sli4_hba
.num_present_cpu
) {
8875 cpup
= phba
->sli4_hba
.cpu_map
;
8883 if (phba
->sli4_hba
.num_online_cpu
!= phba
->sli4_hba
.num_present_cpu
) {
8884 cpup
= phba
->sli4_hba
.cpu_map
;
8885 for (idx
= 0; idx
< phba
->sli4_hba
.num_present_cpu
; idx
++) {
8886 if (cpup
->channel_id
== LPFC_VECTOR_MAP_EMPTY
) {
8887 cpup
->channel_id
= 0;
8890 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8891 "3332 Assign IO_CHANN "
8892 "CPU %d channel %d\n",
8893 idx
, cpup
->channel_id
);
8900 if (num_io_channel
!= phba
->sli4_hba
.num_present_cpu
)
8901 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8902 "3333 Set affinity mismatch:"
8903 "%d chann != %d cpus: %d vectors\n",
8904 num_io_channel
, phba
->sli4_hba
.num_present_cpu
,
8907 /* Enable using cpu affinity for scheduling */
8908 phba
->cfg_fcp_io_sched
= LPFC_FCP_SCHED_BY_CPU
;
8914 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
8915 * @phba: pointer to lpfc hba data structure.
8917 * This routine is invoked to enable the MSI-X interrupt vectors to device
8918 * with SLI-4 interface spec. The kernel function pci_enable_msix_range()
8919 * is called to enable the MSI-X vectors. The device driver is responsible
8920 * for calling the individual request_irq() to register each MSI-X vector
8921 * with a interrupt handler, which is done in this function. Note that
8922 * later when device is unloading, the driver should always call free_irq()
8923 * on all MSI-X vectors it has done request_irq() on before calling
8924 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
8925 * will be left with MSI-X enabled and leaks its vectors.
8929 * other values - error
8932 lpfc_sli4_enable_msix(struct lpfc_hba
*phba
)
8934 int vectors
, rc
, index
;
8936 /* Set up MSI-X multi-message vectors */
8937 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++)
8938 phba
->sli4_hba
.msix_entries
[index
].entry
= index
;
8940 /* Configure MSI-X capability structure */
8941 vectors
= phba
->cfg_fcp_io_channel
;
8942 if (phba
->cfg_fof
) {
8943 phba
->sli4_hba
.msix_entries
[index
].entry
= index
;
8946 rc
= pci_enable_msix_range(phba
->pcidev
, phba
->sli4_hba
.msix_entries
,
8949 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8950 "0484 PCI enable MSI-X failed (%d)\n", rc
);
8955 /* Log MSI-X vector assignment */
8956 for (index
= 0; index
< vectors
; index
++)
8957 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8958 "0489 MSI-X entry[%d]: vector=x%x "
8959 "message=%d\n", index
,
8960 phba
->sli4_hba
.msix_entries
[index
].vector
,
8961 phba
->sli4_hba
.msix_entries
[index
].entry
);
8963 /* Assign MSI-X vectors to interrupt handlers */
8964 for (index
= 0; index
< vectors
; index
++) {
8965 memset(&phba
->sli4_hba
.handler_name
[index
], 0, 16);
8966 snprintf((char *)&phba
->sli4_hba
.handler_name
[index
],
8967 LPFC_SLI4_HANDLER_NAME_SZ
,
8968 LPFC_DRIVER_HANDLER_NAME
"%d", index
);
8970 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8971 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8972 atomic_set(&phba
->sli4_hba
.fcp_eq_hdl
[index
].fcp_eq_in_use
, 1);
8973 if (phba
->cfg_fof
&& (index
== (vectors
- 1)))
8975 phba
->sli4_hba
.msix_entries
[index
].vector
,
8976 &lpfc_sli4_fof_intr_handler
, 0,
8977 (char *)&phba
->sli4_hba
.handler_name
[index
],
8978 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8981 phba
->sli4_hba
.msix_entries
[index
].vector
,
8982 &lpfc_sli4_hba_intr_handler
, 0,
8983 (char *)&phba
->sli4_hba
.handler_name
[index
],
8984 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8986 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8987 "0486 MSI-X fast-path (%d) "
8988 "request_irq failed (%d)\n", index
, rc
);
8996 if (vectors
!= phba
->cfg_fcp_io_channel
) {
8997 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8998 "3238 Reducing IO channels to match number of "
8999 "MSI-X vectors, requested %d got %d\n",
9000 phba
->cfg_fcp_io_channel
, vectors
);
9001 phba
->cfg_fcp_io_channel
= vectors
;
9004 if (!shost_use_blk_mq(lpfc_shost_from_vport(phba
->pport
)))
9005 lpfc_sli4_set_affinity(phba
, vectors
);
9009 /* free the irq already requested */
9010 for (--index
; index
>= 0; index
--) {
9011 irq_set_affinity_hint(phba
->sli4_hba
.msix_entries
[index
].
9013 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
9014 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
9017 /* Unconfigure MSI-X capability structure */
9018 pci_disable_msix(phba
->pcidev
);
9025 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
9026 * @phba: pointer to lpfc hba data structure.
9028 * This routine is invoked to release the MSI-X vectors and then disable the
9029 * MSI-X interrupt mode to device with SLI-4 interface spec.
9032 lpfc_sli4_disable_msix(struct lpfc_hba
*phba
)
9036 /* Free up MSI-X multi-message vectors */
9037 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++) {
9038 irq_set_affinity_hint(phba
->sli4_hba
.msix_entries
[index
].
9040 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
9041 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
9043 if (phba
->cfg_fof
) {
9044 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
9045 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
9048 pci_disable_msix(phba
->pcidev
);
9054 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
9055 * @phba: pointer to lpfc hba data structure.
9057 * This routine is invoked to enable the MSI interrupt mode to device with
9058 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
9059 * to enable the MSI vector. The device driver is responsible for calling
9060 * the request_irq() to register MSI vector with a interrupt the handler,
9061 * which is done in this function.
9065 * other values - error
9068 lpfc_sli4_enable_msi(struct lpfc_hba
*phba
)
9072 rc
= pci_enable_msi(phba
->pcidev
);
9074 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9075 "0487 PCI enable MSI mode success.\n");
9077 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9078 "0488 PCI enable MSI mode failed (%d)\n", rc
);
9082 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
9083 0, LPFC_DRIVER_NAME
, phba
);
9085 pci_disable_msi(phba
->pcidev
);
9086 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
9087 "0490 MSI request_irq failed (%d)\n", rc
);
9091 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++) {
9092 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
9093 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
9096 if (phba
->cfg_fof
) {
9097 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
9098 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
9104 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
9105 * @phba: pointer to lpfc hba data structure.
9107 * This routine is invoked to disable the MSI interrupt mode to device with
9108 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
9109 * done request_irq() on before calling pci_disable_msi(). Failure to do so
9110 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
9114 lpfc_sli4_disable_msi(struct lpfc_hba
*phba
)
9116 free_irq(phba
->pcidev
->irq
, phba
);
9117 pci_disable_msi(phba
->pcidev
);
9122 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
9123 * @phba: pointer to lpfc hba data structure.
9125 * This routine is invoked to enable device interrupt and associate driver's
9126 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
9127 * interface spec. Depends on the interrupt mode configured to the driver,
9128 * the driver will try to fallback from the configured interrupt mode to an
9129 * interrupt mode which is supported by the platform, kernel, and device in
9131 * MSI-X -> MSI -> IRQ.
9135 * other values - error
9138 lpfc_sli4_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
9140 uint32_t intr_mode
= LPFC_INTR_ERROR
;
9143 if (cfg_mode
== 2) {
9144 /* Preparation before conf_msi mbox cmd */
9147 /* Now, try to enable MSI-X interrupt mode */
9148 retval
= lpfc_sli4_enable_msix(phba
);
9150 /* Indicate initialization to MSI-X mode */
9151 phba
->intr_type
= MSIX
;
9157 /* Fallback to MSI if MSI-X initialization failed */
9158 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
9159 retval
= lpfc_sli4_enable_msi(phba
);
9161 /* Indicate initialization to MSI mode */
9162 phba
->intr_type
= MSI
;
9167 /* Fallback to INTx if both MSI-X/MSI initalization failed */
9168 if (phba
->intr_type
== NONE
) {
9169 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
9170 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
9172 /* Indicate initialization to INTx mode */
9173 phba
->intr_type
= INTx
;
9175 for (index
= 0; index
< phba
->cfg_fcp_io_channel
;
9177 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
9178 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
9179 atomic_set(&phba
->sli4_hba
.fcp_eq_hdl
[index
].
9182 if (phba
->cfg_fof
) {
9183 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
9184 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
9185 atomic_set(&phba
->sli4_hba
.fcp_eq_hdl
[index
].
9194 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
9195 * @phba: pointer to lpfc hba data structure.
9197 * This routine is invoked to disable device interrupt and disassociate
9198 * the driver's interrupt handler(s) from interrupt vector(s) to device
9199 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
9200 * will release the interrupt vector(s) for the message signaled interrupt.
9203 lpfc_sli4_disable_intr(struct lpfc_hba
*phba
)
9205 /* Disable the currently initialized interrupt mode */
9206 if (phba
->intr_type
== MSIX
)
9207 lpfc_sli4_disable_msix(phba
);
9208 else if (phba
->intr_type
== MSI
)
9209 lpfc_sli4_disable_msi(phba
);
9210 else if (phba
->intr_type
== INTx
)
9211 free_irq(phba
->pcidev
->irq
, phba
);
9213 /* Reset interrupt management states */
9214 phba
->intr_type
= NONE
;
9215 phba
->sli
.slistat
.sli_intr
= 0;
9221 * lpfc_unset_hba - Unset SLI3 hba device initialization
9222 * @phba: pointer to lpfc hba data structure.
9224 * This routine is invoked to unset the HBA device initialization steps to
9225 * a device with SLI-3 interface spec.
9228 lpfc_unset_hba(struct lpfc_hba
*phba
)
9230 struct lpfc_vport
*vport
= phba
->pport
;
9231 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
9233 spin_lock_irq(shost
->host_lock
);
9234 vport
->load_flag
|= FC_UNLOADING
;
9235 spin_unlock_irq(shost
->host_lock
);
9237 kfree(phba
->vpi_bmask
);
9238 kfree(phba
->vpi_ids
);
9240 lpfc_stop_hba_timers(phba
);
9242 phba
->pport
->work_port_events
= 0;
9244 lpfc_sli_hba_down(phba
);
9246 lpfc_sli_brdrestart(phba
);
9248 lpfc_sli_disable_intr(phba
);
9254 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
9255 * @phba: Pointer to HBA context object.
9257 * This function is called in the SLI4 code path to wait for completion
9258 * of device's XRIs exchange busy. It will check the XRI exchange busy
9259 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
9260 * that, it will check the XRI exchange busy on outstanding FCP and ELS
9261 * I/Os every 30 seconds, log error message, and wait forever. Only when
9262 * all XRI exchange busy complete, the driver unload shall proceed with
9263 * invoking the function reset ioctl mailbox command to the CNA and the
9264 * the rest of the driver unload resource release.
9267 lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba
*phba
)
9270 int fcp_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
9271 int els_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
9273 while (!fcp_xri_cmpl
|| !els_xri_cmpl
) {
9274 if (wait_time
> LPFC_XRI_EXCH_BUSY_WAIT_TMO
) {
9276 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9277 "2877 FCP XRI exchange busy "
9278 "wait time: %d seconds.\n",
9281 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9282 "2878 ELS XRI exchange busy "
9283 "wait time: %d seconds.\n",
9285 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2
);
9286 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T2
;
9288 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1
);
9289 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T1
;
9292 list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
9294 list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
9299 * lpfc_sli4_hba_unset - Unset the fcoe hba
9300 * @phba: Pointer to HBA context object.
9302 * This function is called in the SLI4 code path to reset the HBA's FCoE
9303 * function. The caller is not required to hold any lock. This routine
9304 * issues PCI function reset mailbox command to reset the FCoE function.
9305 * At the end of the function, it calls lpfc_hba_down_post function to
9306 * free any pending commands.
9309 lpfc_sli4_hba_unset(struct lpfc_hba
*phba
)
9312 LPFC_MBOXQ_t
*mboxq
;
9313 struct pci_dev
*pdev
= phba
->pcidev
;
9315 lpfc_stop_hba_timers(phba
);
9316 phba
->sli4_hba
.intr_enable
= 0;
9319 * Gracefully wait out the potential current outstanding asynchronous
9323 /* First, block any pending async mailbox command from posted */
9324 spin_lock_irq(&phba
->hbalock
);
9325 phba
->sli
.sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
9326 spin_unlock_irq(&phba
->hbalock
);
9327 /* Now, trying to wait it out if we can */
9328 while (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
9330 if (++wait_cnt
> LPFC_ACTIVE_MBOX_WAIT_CNT
)
9333 /* Forcefully release the outstanding mailbox command if timed out */
9334 if (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
9335 spin_lock_irq(&phba
->hbalock
);
9336 mboxq
= phba
->sli
.mbox_active
;
9337 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
9338 __lpfc_mbox_cmpl_put(phba
, mboxq
);
9339 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
9340 phba
->sli
.mbox_active
= NULL
;
9341 spin_unlock_irq(&phba
->hbalock
);
9344 /* Abort all iocbs associated with the hba */
9345 lpfc_sli_hba_iocb_abort(phba
);
9347 /* Wait for completion of device XRI exchange busy */
9348 lpfc_sli4_xri_exchange_busy_wait(phba
);
9350 /* Disable PCI subsystem interrupt */
9351 lpfc_sli4_disable_intr(phba
);
9353 /* Disable SR-IOV if enabled */
9354 if (phba
->cfg_sriov_nr_virtfn
)
9355 pci_disable_sriov(pdev
);
9357 /* Stop kthread signal shall trigger work_done one more time */
9358 kthread_stop(phba
->worker_thread
);
9360 /* Reset SLI4 HBA FCoE function */
9361 lpfc_pci_function_reset(phba
);
9362 lpfc_sli4_queue_destroy(phba
);
9364 /* Stop the SLI4 device port */
9365 phba
->pport
->work_port_events
= 0;
9369 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
9370 * @phba: Pointer to HBA context object.
9371 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
9373 * This function is called in the SLI4 code path to read the port's
9374 * sli4 capabilities.
9376 * This function may be be called from any context that can block-wait
9377 * for the completion. The expectation is that this routine is called
9378 * typically from probe_one or from the online routine.
9381 lpfc_pc_sli4_params_get(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
9384 struct lpfc_mqe
*mqe
;
9385 struct lpfc_pc_sli4_params
*sli4_params
;
9389 mqe
= &mboxq
->u
.mqe
;
9391 /* Read the port's SLI4 Parameters port capabilities */
9392 lpfc_pc_sli4_params(mboxq
);
9393 if (!phba
->sli4_hba
.intr_enable
)
9394 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
9396 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
9397 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
9403 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
9404 sli4_params
->if_type
= bf_get(if_type
, &mqe
->un
.sli4_params
);
9405 sli4_params
->sli_rev
= bf_get(sli_rev
, &mqe
->un
.sli4_params
);
9406 sli4_params
->sli_family
= bf_get(sli_family
, &mqe
->un
.sli4_params
);
9407 sli4_params
->featurelevel_1
= bf_get(featurelevel_1
,
9408 &mqe
->un
.sli4_params
);
9409 sli4_params
->featurelevel_2
= bf_get(featurelevel_2
,
9410 &mqe
->un
.sli4_params
);
9411 sli4_params
->proto_types
= mqe
->un
.sli4_params
.word3
;
9412 sli4_params
->sge_supp_len
= mqe
->un
.sli4_params
.sge_supp_len
;
9413 sli4_params
->if_page_sz
= bf_get(if_page_sz
, &mqe
->un
.sli4_params
);
9414 sli4_params
->rq_db_window
= bf_get(rq_db_window
, &mqe
->un
.sli4_params
);
9415 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, &mqe
->un
.sli4_params
);
9416 sli4_params
->eq_pages_max
= bf_get(eq_pages
, &mqe
->un
.sli4_params
);
9417 sli4_params
->eqe_size
= bf_get(eqe_size
, &mqe
->un
.sli4_params
);
9418 sli4_params
->cq_pages_max
= bf_get(cq_pages
, &mqe
->un
.sli4_params
);
9419 sli4_params
->cqe_size
= bf_get(cqe_size
, &mqe
->un
.sli4_params
);
9420 sli4_params
->mq_pages_max
= bf_get(mq_pages
, &mqe
->un
.sli4_params
);
9421 sli4_params
->mqe_size
= bf_get(mqe_size
, &mqe
->un
.sli4_params
);
9422 sli4_params
->mq_elem_cnt
= bf_get(mq_elem_cnt
, &mqe
->un
.sli4_params
);
9423 sli4_params
->wq_pages_max
= bf_get(wq_pages
, &mqe
->un
.sli4_params
);
9424 sli4_params
->wqe_size
= bf_get(wqe_size
, &mqe
->un
.sli4_params
);
9425 sli4_params
->rq_pages_max
= bf_get(rq_pages
, &mqe
->un
.sli4_params
);
9426 sli4_params
->rqe_size
= bf_get(rqe_size
, &mqe
->un
.sli4_params
);
9427 sli4_params
->hdr_pages_max
= bf_get(hdr_pages
, &mqe
->un
.sli4_params
);
9428 sli4_params
->hdr_size
= bf_get(hdr_size
, &mqe
->un
.sli4_params
);
9429 sli4_params
->hdr_pp_align
= bf_get(hdr_pp_align
, &mqe
->un
.sli4_params
);
9430 sli4_params
->sgl_pages_max
= bf_get(sgl_pages
, &mqe
->un
.sli4_params
);
9431 sli4_params
->sgl_pp_align
= bf_get(sgl_pp_align
, &mqe
->un
.sli4_params
);
9433 /* Make sure that sge_supp_len can be handled by the driver */
9434 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
9435 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
9441 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
9442 * @phba: Pointer to HBA context object.
9443 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
9445 * This function is called in the SLI4 code path to read the port's
9446 * sli4 capabilities.
9448 * This function may be be called from any context that can block-wait
9449 * for the completion. The expectation is that this routine is called
9450 * typically from probe_one or from the online routine.
9453 lpfc_get_sli4_parameters(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
9456 struct lpfc_mqe
*mqe
= &mboxq
->u
.mqe
;
9457 struct lpfc_pc_sli4_params
*sli4_params
;
9460 struct lpfc_sli4_parameters
*mbx_sli4_parameters
;
9463 * By default, the driver assumes the SLI4 port requires RPI
9464 * header postings. The SLI4_PARAM response will correct this
9467 phba
->sli4_hba
.rpi_hdrs_in_use
= 1;
9469 /* Read the port's SLI4 Config Parameters */
9470 length
= (sizeof(struct lpfc_mbx_get_sli4_parameters
) -
9471 sizeof(struct lpfc_sli4_cfg_mhdr
));
9472 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
9473 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS
,
9474 length
, LPFC_SLI4_MBX_EMBED
);
9475 if (!phba
->sli4_hba
.intr_enable
)
9476 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
9478 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
9479 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
9483 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
9484 mbx_sli4_parameters
= &mqe
->un
.get_sli4_parameters
.sli4_parameters
;
9485 sli4_params
->if_type
= bf_get(cfg_if_type
, mbx_sli4_parameters
);
9486 sli4_params
->sli_rev
= bf_get(cfg_sli_rev
, mbx_sli4_parameters
);
9487 sli4_params
->sli_family
= bf_get(cfg_sli_family
, mbx_sli4_parameters
);
9488 sli4_params
->featurelevel_1
= bf_get(cfg_sli_hint_1
,
9489 mbx_sli4_parameters
);
9490 sli4_params
->featurelevel_2
= bf_get(cfg_sli_hint_2
,
9491 mbx_sli4_parameters
);
9492 if (bf_get(cfg_phwq
, mbx_sli4_parameters
))
9493 phba
->sli3_options
|= LPFC_SLI4_PHWQ_ENABLED
;
9495 phba
->sli3_options
&= ~LPFC_SLI4_PHWQ_ENABLED
;
9496 sli4_params
->sge_supp_len
= mbx_sli4_parameters
->sge_supp_len
;
9497 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, mbx_sli4_parameters
);
9498 sli4_params
->oas_supported
= bf_get(cfg_oas
, mbx_sli4_parameters
);
9499 sli4_params
->cqv
= bf_get(cfg_cqv
, mbx_sli4_parameters
);
9500 sli4_params
->mqv
= bf_get(cfg_mqv
, mbx_sli4_parameters
);
9501 sli4_params
->wqv
= bf_get(cfg_wqv
, mbx_sli4_parameters
);
9502 sli4_params
->rqv
= bf_get(cfg_rqv
, mbx_sli4_parameters
);
9503 sli4_params
->wqsize
= bf_get(cfg_wqsize
, mbx_sli4_parameters
);
9504 sli4_params
->sgl_pages_max
= bf_get(cfg_sgl_page_cnt
,
9505 mbx_sli4_parameters
);
9506 sli4_params
->sgl_pp_align
= bf_get(cfg_sgl_pp_align
,
9507 mbx_sli4_parameters
);
9508 phba
->sli4_hba
.extents_in_use
= bf_get(cfg_ext
, mbx_sli4_parameters
);
9509 phba
->sli4_hba
.rpi_hdrs_in_use
= bf_get(cfg_hdrr
, mbx_sli4_parameters
);
9511 /* Make sure that sge_supp_len can be handled by the driver */
9512 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
9513 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
9516 * Issue IOs with CDB embedded in WQE to minimized the number
9517 * of DMAs the firmware has to do. Setting this to 1 also forces
9518 * the driver to use 128 bytes WQEs for FCP IOs.
9520 if (bf_get(cfg_ext_embed_cb
, mbx_sli4_parameters
))
9521 phba
->fcp_embed_io
= 1;
9523 phba
->fcp_embed_io
= 0;
9528 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
9529 * @pdev: pointer to PCI device
9530 * @pid: pointer to PCI device identifier
9532 * This routine is to be called to attach a device with SLI-3 interface spec
9533 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
9534 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
9535 * information of the device and driver to see if the driver state that it can
9536 * support this kind of device. If the match is successful, the driver core
9537 * invokes this routine. If this routine determines it can claim the HBA, it
9538 * does all the initialization that it needs to do to handle the HBA properly.
9541 * 0 - driver can claim the device
9542 * negative value - driver can not claim the device
9545 lpfc_pci_probe_one_s3(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
9547 struct lpfc_hba
*phba
;
9548 struct lpfc_vport
*vport
= NULL
;
9549 struct Scsi_Host
*shost
= NULL
;
9551 uint32_t cfg_mode
, intr_mode
;
9553 /* Allocate memory for HBA structure */
9554 phba
= lpfc_hba_alloc(pdev
);
9558 /* Perform generic PCI device enabling operation */
9559 error
= lpfc_enable_pci_dev(phba
);
9563 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
9564 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_LP
);
9566 goto out_disable_pci_dev
;
9568 /* Set up SLI-3 specific device PCI memory space */
9569 error
= lpfc_sli_pci_mem_setup(phba
);
9571 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9572 "1402 Failed to set up pci memory space.\n");
9573 goto out_disable_pci_dev
;
9576 /* Set up phase-1 common device driver resources */
9577 error
= lpfc_setup_driver_resource_phase1(phba
);
9579 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9580 "1403 Failed to set up driver resource.\n");
9581 goto out_unset_pci_mem_s3
;
9584 /* Set up SLI-3 specific device driver resources */
9585 error
= lpfc_sli_driver_resource_setup(phba
);
9587 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9588 "1404 Failed to set up driver resource.\n");
9589 goto out_unset_pci_mem_s3
;
9592 /* Initialize and populate the iocb list per host */
9593 error
= lpfc_init_iocb_list(phba
, LPFC_IOCB_LIST_CNT
);
9595 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9596 "1405 Failed to initialize iocb list.\n");
9597 goto out_unset_driver_resource_s3
;
9600 /* Set up common device driver resources */
9601 error
= lpfc_setup_driver_resource_phase2(phba
);
9603 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9604 "1406 Failed to set up driver resource.\n");
9605 goto out_free_iocb_list
;
9608 /* Get the default values for Model Name and Description */
9609 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
9611 /* Create SCSI host to the physical port */
9612 error
= lpfc_create_shost(phba
);
9614 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9615 "1407 Failed to create scsi host.\n");
9616 goto out_unset_driver_resource
;
9619 /* Configure sysfs attributes */
9620 vport
= phba
->pport
;
9621 error
= lpfc_alloc_sysfs_attr(vport
);
9623 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9624 "1476 Failed to allocate sysfs attr\n");
9625 goto out_destroy_shost
;
9628 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
9629 /* Now, trying to enable interrupt and bring up the device */
9630 cfg_mode
= phba
->cfg_use_msi
;
9632 /* Put device to a known state before enabling interrupt */
9633 lpfc_stop_port(phba
);
9634 /* Configure and enable interrupt */
9635 intr_mode
= lpfc_sli_enable_intr(phba
, cfg_mode
);
9636 if (intr_mode
== LPFC_INTR_ERROR
) {
9637 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9638 "0431 Failed to enable interrupt.\n");
9640 goto out_free_sysfs_attr
;
9642 /* SLI-3 HBA setup */
9643 if (lpfc_sli_hba_setup(phba
)) {
9644 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9645 "1477 Failed to set up hba\n");
9647 goto out_remove_device
;
9650 /* Wait 50ms for the interrupts of previous mailbox commands */
9652 /* Check active interrupts on message signaled interrupts */
9653 if (intr_mode
== 0 ||
9654 phba
->sli
.slistat
.sli_intr
> LPFC_MSIX_VECTORS
) {
9655 /* Log the current active interrupt mode */
9656 phba
->intr_mode
= intr_mode
;
9657 lpfc_log_intr_mode(phba
, intr_mode
);
9660 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9661 "0447 Configure interrupt mode (%d) "
9662 "failed active interrupt test.\n",
9664 /* Disable the current interrupt mode */
9665 lpfc_sli_disable_intr(phba
);
9666 /* Try next level of interrupt mode */
9667 cfg_mode
= --intr_mode
;
9671 /* Perform post initialization setup */
9672 lpfc_post_init_setup(phba
);
9674 /* Check if there are static vports to be created. */
9675 lpfc_create_static_vport(phba
);
9680 lpfc_unset_hba(phba
);
9681 out_free_sysfs_attr
:
9682 lpfc_free_sysfs_attr(vport
);
9684 lpfc_destroy_shost(phba
);
9685 out_unset_driver_resource
:
9686 lpfc_unset_driver_resource_phase2(phba
);
9688 lpfc_free_iocb_list(phba
);
9689 out_unset_driver_resource_s3
:
9690 lpfc_sli_driver_resource_unset(phba
);
9691 out_unset_pci_mem_s3
:
9692 lpfc_sli_pci_mem_unset(phba
);
9693 out_disable_pci_dev
:
9694 lpfc_disable_pci_dev(phba
);
9696 scsi_host_put(shost
);
9698 lpfc_hba_free(phba
);
9703 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
9704 * @pdev: pointer to PCI device
9706 * This routine is to be called to disattach a device with SLI-3 interface
9707 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
9708 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9709 * device to be removed from the PCI subsystem properly.
9712 lpfc_pci_remove_one_s3(struct pci_dev
*pdev
)
9714 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9715 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
9716 struct lpfc_vport
**vports
;
9717 struct lpfc_hba
*phba
= vport
->phba
;
9720 spin_lock_irq(&phba
->hbalock
);
9721 vport
->load_flag
|= FC_UNLOADING
;
9722 spin_unlock_irq(&phba
->hbalock
);
9724 lpfc_free_sysfs_attr(vport
);
9726 /* Release all the vports against this physical port */
9727 vports
= lpfc_create_vport_work_array(phba
);
9729 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
9730 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
9732 fc_vport_terminate(vports
[i
]->fc_vport
);
9734 lpfc_destroy_vport_work_array(phba
, vports
);
9736 /* Remove FC host and then SCSI host with the physical port */
9737 fc_remove_host(shost
);
9738 scsi_remove_host(shost
);
9739 lpfc_cleanup(vport
);
9742 * Bring down the SLI Layer. This step disable all interrupts,
9743 * clears the rings, discards all mailbox commands, and resets
9747 /* HBA interrupt will be disabled after this call */
9748 lpfc_sli_hba_down(phba
);
9749 /* Stop kthread signal shall trigger work_done one more time */
9750 kthread_stop(phba
->worker_thread
);
9751 /* Final cleanup of txcmplq and reset the HBA */
9752 lpfc_sli_brdrestart(phba
);
9754 kfree(phba
->vpi_bmask
);
9755 kfree(phba
->vpi_ids
);
9757 lpfc_stop_hba_timers(phba
);
9758 spin_lock_irq(&phba
->hbalock
);
9759 list_del_init(&vport
->listentry
);
9760 spin_unlock_irq(&phba
->hbalock
);
9762 lpfc_debugfs_terminate(vport
);
9764 /* Disable SR-IOV if enabled */
9765 if (phba
->cfg_sriov_nr_virtfn
)
9766 pci_disable_sriov(pdev
);
9768 /* Disable interrupt */
9769 lpfc_sli_disable_intr(phba
);
9771 scsi_host_put(shost
);
9774 * Call scsi_free before mem_free since scsi bufs are released to their
9775 * corresponding pools here.
9777 lpfc_scsi_free(phba
);
9778 lpfc_mem_free_all(phba
);
9780 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
9781 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
9783 /* Free resources associated with SLI2 interface */
9784 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
9785 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
9787 /* unmap adapter SLIM and Control Registers */
9788 iounmap(phba
->ctrl_regs_memmap_p
);
9789 iounmap(phba
->slim_memmap_p
);
9791 lpfc_hba_free(phba
);
9793 pci_release_mem_regions(pdev
);
9794 pci_disable_device(pdev
);
9798 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
9799 * @pdev: pointer to PCI device
9800 * @msg: power management message
9802 * This routine is to be called from the kernel's PCI subsystem to support
9803 * system Power Management (PM) to device with SLI-3 interface spec. When
9804 * PM invokes this method, it quiesces the device by stopping the driver's
9805 * worker thread for the device, turning off device's interrupt and DMA,
9806 * and bring the device offline. Note that as the driver implements the
9807 * minimum PM requirements to a power-aware driver's PM support for the
9808 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9809 * to the suspend() method call will be treated as SUSPEND and the driver will
9810 * fully reinitialize its device during resume() method call, the driver will
9811 * set device to PCI_D3hot state in PCI config space instead of setting it
9812 * according to the @msg provided by the PM.
9815 * 0 - driver suspended the device
9819 lpfc_pci_suspend_one_s3(struct pci_dev
*pdev
, pm_message_t msg
)
9821 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9822 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9824 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9825 "0473 PCI device Power Management suspend.\n");
9827 /* Bring down the device */
9828 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
9830 kthread_stop(phba
->worker_thread
);
9832 /* Disable interrupt from device */
9833 lpfc_sli_disable_intr(phba
);
9835 /* Save device state to PCI config space */
9836 pci_save_state(pdev
);
9837 pci_set_power_state(pdev
, PCI_D3hot
);
9843 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
9844 * @pdev: pointer to PCI device
9846 * This routine is to be called from the kernel's PCI subsystem to support
9847 * system Power Management (PM) to device with SLI-3 interface spec. When PM
9848 * invokes this method, it restores the device's PCI config space state and
9849 * fully reinitializes the device and brings it online. Note that as the
9850 * driver implements the minimum PM requirements to a power-aware driver's
9851 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
9852 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
9853 * driver will fully reinitialize its device during resume() method call,
9854 * the device will be set to PCI_D0 directly in PCI config space before
9855 * restoring the state.
9858 * 0 - driver suspended the device
9862 lpfc_pci_resume_one_s3(struct pci_dev
*pdev
)
9864 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9865 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9869 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9870 "0452 PCI device Power Management resume.\n");
9872 /* Restore device state from PCI config space */
9873 pci_set_power_state(pdev
, PCI_D0
);
9874 pci_restore_state(pdev
);
9877 * As the new kernel behavior of pci_restore_state() API call clears
9878 * device saved_state flag, need to save the restored state again.
9880 pci_save_state(pdev
);
9882 if (pdev
->is_busmaster
)
9883 pci_set_master(pdev
);
9885 /* Startup the kernel thread for this host adapter. */
9886 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
9887 "lpfc_worker_%d", phba
->brd_no
);
9888 if (IS_ERR(phba
->worker_thread
)) {
9889 error
= PTR_ERR(phba
->worker_thread
);
9890 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9891 "0434 PM resume failed to start worker "
9892 "thread: error=x%x.\n", error
);
9896 /* Configure and enable interrupt */
9897 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
9898 if (intr_mode
== LPFC_INTR_ERROR
) {
9899 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9900 "0430 PM resume Failed to enable interrupt\n");
9903 phba
->intr_mode
= intr_mode
;
9905 /* Restart HBA and bring it online */
9906 lpfc_sli_brdrestart(phba
);
9909 /* Log the current active interrupt mode */
9910 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9916 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
9917 * @phba: pointer to lpfc hba data structure.
9919 * This routine is called to prepare the SLI3 device for PCI slot recover. It
9920 * aborts all the outstanding SCSI I/Os to the pci device.
9923 lpfc_sli_prep_dev_for_recover(struct lpfc_hba
*phba
)
9925 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9926 "2723 PCI channel I/O abort preparing for recovery\n");
9929 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9930 * and let the SCSI mid-layer to retry them to recover.
9932 lpfc_sli_abort_fcp_rings(phba
);
9936 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
9937 * @phba: pointer to lpfc hba data structure.
9939 * This routine is called to prepare the SLI3 device for PCI slot reset. It
9940 * disables the device interrupt and pci device, and aborts the internal FCP
9944 lpfc_sli_prep_dev_for_reset(struct lpfc_hba
*phba
)
9946 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9947 "2710 PCI channel disable preparing for reset\n");
9949 /* Block any management I/Os to the device */
9950 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
9952 /* Block all SCSI devices' I/Os on the host */
9953 lpfc_scsi_dev_block(phba
);
9955 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9956 lpfc_sli_flush_fcp_rings(phba
);
9958 /* stop all timers */
9959 lpfc_stop_hba_timers(phba
);
9961 /* Disable interrupt and pci device */
9962 lpfc_sli_disable_intr(phba
);
9963 pci_disable_device(phba
->pcidev
);
9967 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
9968 * @phba: pointer to lpfc hba data structure.
9970 * This routine is called to prepare the SLI3 device for PCI slot permanently
9971 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9975 lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
9977 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9978 "2711 PCI channel permanent disable for failure\n");
9979 /* Block all SCSI devices' I/Os on the host */
9980 lpfc_scsi_dev_block(phba
);
9982 /* stop all timers */
9983 lpfc_stop_hba_timers(phba
);
9985 /* Clean up all driver's outstanding SCSI I/Os */
9986 lpfc_sli_flush_fcp_rings(phba
);
9990 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
9991 * @pdev: pointer to PCI device.
9992 * @state: the current PCI connection state.
9994 * This routine is called from the PCI subsystem for I/O error handling to
9995 * device with SLI-3 interface spec. This function is called by the PCI
9996 * subsystem after a PCI bus error affecting this device has been detected.
9997 * When this function is invoked, it will need to stop all the I/Os and
9998 * interrupt(s) to the device. Once that is done, it will return
9999 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
10003 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
10004 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10005 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10007 static pci_ers_result_t
10008 lpfc_io_error_detected_s3(struct pci_dev
*pdev
, pci_channel_state_t state
)
10010 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10011 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10014 case pci_channel_io_normal
:
10015 /* Non-fatal error, prepare for recovery */
10016 lpfc_sli_prep_dev_for_recover(phba
);
10017 return PCI_ERS_RESULT_CAN_RECOVER
;
10018 case pci_channel_io_frozen
:
10019 /* Fatal error, prepare for slot reset */
10020 lpfc_sli_prep_dev_for_reset(phba
);
10021 return PCI_ERS_RESULT_NEED_RESET
;
10022 case pci_channel_io_perm_failure
:
10023 /* Permanent failure, prepare for device down */
10024 lpfc_sli_prep_dev_for_perm_failure(phba
);
10025 return PCI_ERS_RESULT_DISCONNECT
;
10027 /* Unknown state, prepare and request slot reset */
10028 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10029 "0472 Unknown PCI error state: x%x\n", state
);
10030 lpfc_sli_prep_dev_for_reset(phba
);
10031 return PCI_ERS_RESULT_NEED_RESET
;
10036 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
10037 * @pdev: pointer to PCI device.
10039 * This routine is called from the PCI subsystem for error handling to
10040 * device with SLI-3 interface spec. This is called after PCI bus has been
10041 * reset to restart the PCI card from scratch, as if from a cold-boot.
10042 * During the PCI subsystem error recovery, after driver returns
10043 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
10044 * recovery and then call this routine before calling the .resume method
10045 * to recover the device. This function will initialize the HBA device,
10046 * enable the interrupt, but it will just put the HBA to offline state
10047 * without passing any I/O traffic.
10050 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10051 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10053 static pci_ers_result_t
10054 lpfc_io_slot_reset_s3(struct pci_dev
*pdev
)
10056 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10057 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10058 struct lpfc_sli
*psli
= &phba
->sli
;
10059 uint32_t intr_mode
;
10061 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
10062 if (pci_enable_device_mem(pdev
)) {
10063 printk(KERN_ERR
"lpfc: Cannot re-enable "
10064 "PCI device after reset.\n");
10065 return PCI_ERS_RESULT_DISCONNECT
;
10068 pci_restore_state(pdev
);
10071 * As the new kernel behavior of pci_restore_state() API call clears
10072 * device saved_state flag, need to save the restored state again.
10074 pci_save_state(pdev
);
10076 if (pdev
->is_busmaster
)
10077 pci_set_master(pdev
);
10079 spin_lock_irq(&phba
->hbalock
);
10080 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
10081 spin_unlock_irq(&phba
->hbalock
);
10083 /* Configure and enable interrupt */
10084 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
10085 if (intr_mode
== LPFC_INTR_ERROR
) {
10086 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10087 "0427 Cannot re-enable interrupt after "
10089 return PCI_ERS_RESULT_DISCONNECT
;
10091 phba
->intr_mode
= intr_mode
;
10093 /* Take device offline, it will perform cleanup */
10094 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
10095 lpfc_offline(phba
);
10096 lpfc_sli_brdrestart(phba
);
10098 /* Log the current active interrupt mode */
10099 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
10101 return PCI_ERS_RESULT_RECOVERED
;
10105 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
10106 * @pdev: pointer to PCI device
10108 * This routine is called from the PCI subsystem for error handling to device
10109 * with SLI-3 interface spec. It is called when kernel error recovery tells
10110 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
10111 * error recovery. After this call, traffic can start to flow from this device
10115 lpfc_io_resume_s3(struct pci_dev
*pdev
)
10117 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10118 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10120 /* Bring device online, it will be no-op for non-fatal error resume */
10123 /* Clean up Advanced Error Reporting (AER) if needed */
10124 if (phba
->hba_flag
& HBA_AER_ENABLED
)
10125 pci_cleanup_aer_uncorrect_error_status(pdev
);
10129 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
10130 * @phba: pointer to lpfc hba data structure.
10132 * returns the number of ELS/CT IOCBs to reserve
10135 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*phba
)
10137 int max_xri
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
10139 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
10140 if (max_xri
<= 100)
10142 else if (max_xri
<= 256)
10144 else if (max_xri
<= 512)
10146 else if (max_xri
<= 1024)
10148 else if (max_xri
<= 1536)
10150 else if (max_xri
<= 2048)
10159 * lpfc_write_firmware - attempt to write a firmware image to the port
10160 * @fw: pointer to firmware image returned from request_firmware.
10161 * @phba: pointer to lpfc hba data structure.
10165 lpfc_write_firmware(const struct firmware
*fw
, void *context
)
10167 struct lpfc_hba
*phba
= (struct lpfc_hba
*)context
;
10168 char fwrev
[FW_REV_STR_SIZE
];
10169 struct lpfc_grp_hdr
*image
;
10170 struct list_head dma_buffer_list
;
10172 struct lpfc_dmabuf
*dmabuf
, *next
;
10173 uint32_t offset
= 0, temp_offset
= 0;
10175 /* It can be null in no-wait mode, sanity check */
10180 image
= (struct lpfc_grp_hdr
*)fw
->data
;
10182 INIT_LIST_HEAD(&dma_buffer_list
);
10183 if ((be32_to_cpu(image
->magic_number
) != LPFC_GROUP_OJECT_MAGIC_NUM
) ||
10184 (bf_get_be32(lpfc_grp_hdr_file_type
, image
) !=
10185 LPFC_FILE_TYPE_GROUP
) ||
10186 (bf_get_be32(lpfc_grp_hdr_id
, image
) != LPFC_FILE_ID_GROUP
) ||
10187 (be32_to_cpu(image
->size
) != fw
->size
)) {
10188 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10189 "3022 Invalid FW image found. "
10190 "Magic:%x Type:%x ID:%x\n",
10191 be32_to_cpu(image
->magic_number
),
10192 bf_get_be32(lpfc_grp_hdr_file_type
, image
),
10193 bf_get_be32(lpfc_grp_hdr_id
, image
));
10197 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
10198 if (strncmp(fwrev
, image
->revision
, strnlen(image
->revision
, 16))) {
10199 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10200 "3023 Updating Firmware, Current Version:%s "
10201 "New Version:%s\n",
10202 fwrev
, image
->revision
);
10203 for (i
= 0; i
< LPFC_MBX_WR_CONFIG_MAX_BDE
; i
++) {
10204 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
),
10210 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
10214 if (!dmabuf
->virt
) {
10219 list_add_tail(&dmabuf
->list
, &dma_buffer_list
);
10221 while (offset
< fw
->size
) {
10222 temp_offset
= offset
;
10223 list_for_each_entry(dmabuf
, &dma_buffer_list
, list
) {
10224 if (temp_offset
+ SLI4_PAGE_SIZE
> fw
->size
) {
10225 memcpy(dmabuf
->virt
,
10226 fw
->data
+ temp_offset
,
10227 fw
->size
- temp_offset
);
10228 temp_offset
= fw
->size
;
10231 memcpy(dmabuf
->virt
, fw
->data
+ temp_offset
,
10233 temp_offset
+= SLI4_PAGE_SIZE
;
10235 rc
= lpfc_wr_object(phba
, &dma_buffer_list
,
10236 (fw
->size
- offset
), &offset
);
10244 list_for_each_entry_safe(dmabuf
, next
, &dma_buffer_list
, list
) {
10245 list_del(&dmabuf
->list
);
10246 dma_free_coherent(&phba
->pcidev
->dev
, SLI4_PAGE_SIZE
,
10247 dmabuf
->virt
, dmabuf
->phys
);
10250 release_firmware(fw
);
10252 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10253 "3024 Firmware update done: %d.\n", rc
);
10258 * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade
10259 * @phba: pointer to lpfc hba data structure.
10261 * This routine is called to perform Linux generic firmware upgrade on device
10262 * that supports such feature.
10265 lpfc_sli4_request_firmware_update(struct lpfc_hba
*phba
, uint8_t fw_upgrade
)
10267 uint8_t file_name
[ELX_MODEL_NAME_SIZE
];
10269 const struct firmware
*fw
;
10271 /* Only supported on SLI4 interface type 2 for now */
10272 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
10273 LPFC_SLI_INTF_IF_TYPE_2
)
10276 snprintf(file_name
, ELX_MODEL_NAME_SIZE
, "%s.grp", phba
->ModelName
);
10278 if (fw_upgrade
== INT_FW_UPGRADE
) {
10279 ret
= request_firmware_nowait(THIS_MODULE
, FW_ACTION_HOTPLUG
,
10280 file_name
, &phba
->pcidev
->dev
,
10281 GFP_KERNEL
, (void *)phba
,
10282 lpfc_write_firmware
);
10283 } else if (fw_upgrade
== RUN_FW_UPGRADE
) {
10284 ret
= request_firmware(&fw
, file_name
, &phba
->pcidev
->dev
);
10286 lpfc_write_firmware(fw
, (void *)phba
);
10295 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
10296 * @pdev: pointer to PCI device
10297 * @pid: pointer to PCI device identifier
10299 * This routine is called from the kernel's PCI subsystem to device with
10300 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
10301 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
10302 * information of the device and driver to see if the driver state that it
10303 * can support this kind of device. If the match is successful, the driver
10304 * core invokes this routine. If this routine determines it can claim the HBA,
10305 * it does all the initialization that it needs to do to handle the HBA
10309 * 0 - driver can claim the device
10310 * negative value - driver can not claim the device
10313 lpfc_pci_probe_one_s4(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
10315 struct lpfc_hba
*phba
;
10316 struct lpfc_vport
*vport
= NULL
;
10317 struct Scsi_Host
*shost
= NULL
;
10319 uint32_t cfg_mode
, intr_mode
;
10320 int adjusted_fcp_io_channel
;
10322 /* Allocate memory for HBA structure */
10323 phba
= lpfc_hba_alloc(pdev
);
10327 /* Perform generic PCI device enabling operation */
10328 error
= lpfc_enable_pci_dev(phba
);
10330 goto out_free_phba
;
10332 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
10333 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_OC
);
10335 goto out_disable_pci_dev
;
10337 /* Set up SLI-4 specific device PCI memory space */
10338 error
= lpfc_sli4_pci_mem_setup(phba
);
10340 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10341 "1410 Failed to set up pci memory space.\n");
10342 goto out_disable_pci_dev
;
10345 /* Set up phase-1 common device driver resources */
10346 error
= lpfc_setup_driver_resource_phase1(phba
);
10348 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10349 "1411 Failed to set up driver resource.\n");
10350 goto out_unset_pci_mem_s4
;
10353 /* Set up SLI-4 Specific device driver resources */
10354 error
= lpfc_sli4_driver_resource_setup(phba
);
10356 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10357 "1412 Failed to set up driver resource.\n");
10358 goto out_unset_pci_mem_s4
;
10361 /* Initialize and populate the iocb list per host */
10363 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10364 "2821 initialize iocb list %d.\n",
10365 phba
->cfg_iocb_cnt
*1024);
10366 error
= lpfc_init_iocb_list(phba
, phba
->cfg_iocb_cnt
*1024);
10369 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10370 "1413 Failed to initialize iocb list.\n");
10371 goto out_unset_driver_resource_s4
;
10374 INIT_LIST_HEAD(&phba
->active_rrq_list
);
10375 INIT_LIST_HEAD(&phba
->fcf
.fcf_pri_list
);
10377 /* Set up common device driver resources */
10378 error
= lpfc_setup_driver_resource_phase2(phba
);
10380 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10381 "1414 Failed to set up driver resource.\n");
10382 goto out_free_iocb_list
;
10385 /* Get the default values for Model Name and Description */
10386 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
10388 /* Create SCSI host to the physical port */
10389 error
= lpfc_create_shost(phba
);
10391 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10392 "1415 Failed to create scsi host.\n");
10393 goto out_unset_driver_resource
;
10396 /* Configure sysfs attributes */
10397 vport
= phba
->pport
;
10398 error
= lpfc_alloc_sysfs_attr(vport
);
10400 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10401 "1416 Failed to allocate sysfs attr\n");
10402 goto out_destroy_shost
;
10405 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
10406 /* Now, trying to enable interrupt and bring up the device */
10407 cfg_mode
= phba
->cfg_use_msi
;
10409 /* Put device to a known state before enabling interrupt */
10410 lpfc_stop_port(phba
);
10411 /* Configure and enable interrupt */
10412 intr_mode
= lpfc_sli4_enable_intr(phba
, cfg_mode
);
10413 if (intr_mode
== LPFC_INTR_ERROR
) {
10414 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10415 "0426 Failed to enable interrupt.\n");
10417 goto out_free_sysfs_attr
;
10419 /* Default to single EQ for non-MSI-X */
10420 if (phba
->intr_type
!= MSIX
)
10421 adjusted_fcp_io_channel
= 1;
10423 adjusted_fcp_io_channel
= phba
->cfg_fcp_io_channel
;
10424 phba
->cfg_fcp_io_channel
= adjusted_fcp_io_channel
;
10425 /* Set up SLI-4 HBA */
10426 if (lpfc_sli4_hba_setup(phba
)) {
10427 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10428 "1421 Failed to set up hba\n");
10430 goto out_disable_intr
;
10433 /* Log the current active interrupt mode */
10434 phba
->intr_mode
= intr_mode
;
10435 lpfc_log_intr_mode(phba
, intr_mode
);
10437 /* Perform post initialization setup */
10438 lpfc_post_init_setup(phba
);
10440 /* check for firmware upgrade or downgrade */
10441 if (phba
->cfg_request_firmware_upgrade
)
10442 lpfc_sli4_request_firmware_update(phba
, INT_FW_UPGRADE
);
10444 /* Check if there are static vports to be created. */
10445 lpfc_create_static_vport(phba
);
10449 lpfc_sli4_disable_intr(phba
);
10450 out_free_sysfs_attr
:
10451 lpfc_free_sysfs_attr(vport
);
10453 lpfc_destroy_shost(phba
);
10454 out_unset_driver_resource
:
10455 lpfc_unset_driver_resource_phase2(phba
);
10456 out_free_iocb_list
:
10457 lpfc_free_iocb_list(phba
);
10458 out_unset_driver_resource_s4
:
10459 lpfc_sli4_driver_resource_unset(phba
);
10460 out_unset_pci_mem_s4
:
10461 lpfc_sli4_pci_mem_unset(phba
);
10462 out_disable_pci_dev
:
10463 lpfc_disable_pci_dev(phba
);
10465 scsi_host_put(shost
);
10467 lpfc_hba_free(phba
);
10472 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
10473 * @pdev: pointer to PCI device
10475 * This routine is called from the kernel's PCI subsystem to device with
10476 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
10477 * removed from PCI bus, it performs all the necessary cleanup for the HBA
10478 * device to be removed from the PCI subsystem properly.
10481 lpfc_pci_remove_one_s4(struct pci_dev
*pdev
)
10483 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10484 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
10485 struct lpfc_vport
**vports
;
10486 struct lpfc_hba
*phba
= vport
->phba
;
10489 /* Mark the device unloading flag */
10490 spin_lock_irq(&phba
->hbalock
);
10491 vport
->load_flag
|= FC_UNLOADING
;
10492 spin_unlock_irq(&phba
->hbalock
);
10494 /* Free the HBA sysfs attributes */
10495 lpfc_free_sysfs_attr(vport
);
10497 /* Release all the vports against this physical port */
10498 vports
= lpfc_create_vport_work_array(phba
);
10499 if (vports
!= NULL
)
10500 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
10501 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
10503 fc_vport_terminate(vports
[i
]->fc_vport
);
10505 lpfc_destroy_vport_work_array(phba
, vports
);
10507 /* Remove FC host and then SCSI host with the physical port */
10508 fc_remove_host(shost
);
10509 scsi_remove_host(shost
);
10511 /* Perform cleanup on the physical port */
10512 lpfc_cleanup(vport
);
10515 * Bring down the SLI Layer. This step disables all interrupts,
10516 * clears the rings, discards all mailbox commands, and resets
10517 * the HBA FCoE function.
10519 lpfc_debugfs_terminate(vport
);
10520 lpfc_sli4_hba_unset(phba
);
10522 spin_lock_irq(&phba
->hbalock
);
10523 list_del_init(&vport
->listentry
);
10524 spin_unlock_irq(&phba
->hbalock
);
10526 /* Perform scsi free before driver resource_unset since scsi
10527 * buffers are released to their corresponding pools here.
10529 lpfc_scsi_free(phba
);
10531 lpfc_sli4_driver_resource_unset(phba
);
10533 /* Unmap adapter Control and Doorbell registers */
10534 lpfc_sli4_pci_mem_unset(phba
);
10536 /* Release PCI resources and disable device's PCI function */
10537 scsi_host_put(shost
);
10538 lpfc_disable_pci_dev(phba
);
10540 /* Finally, free the driver's device data structure */
10541 lpfc_hba_free(phba
);
10547 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
10548 * @pdev: pointer to PCI device
10549 * @msg: power management message
10551 * This routine is called from the kernel's PCI subsystem to support system
10552 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
10553 * this method, it quiesces the device by stopping the driver's worker
10554 * thread for the device, turning off device's interrupt and DMA, and bring
10555 * the device offline. Note that as the driver implements the minimum PM
10556 * requirements to a power-aware driver's PM support for suspend/resume -- all
10557 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
10558 * method call will be treated as SUSPEND and the driver will fully
10559 * reinitialize its device during resume() method call, the driver will set
10560 * device to PCI_D3hot state in PCI config space instead of setting it
10561 * according to the @msg provided by the PM.
10564 * 0 - driver suspended the device
10568 lpfc_pci_suspend_one_s4(struct pci_dev
*pdev
, pm_message_t msg
)
10570 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10571 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10573 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10574 "2843 PCI device Power Management suspend.\n");
10576 /* Bring down the device */
10577 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
10578 lpfc_offline(phba
);
10579 kthread_stop(phba
->worker_thread
);
10581 /* Disable interrupt from device */
10582 lpfc_sli4_disable_intr(phba
);
10583 lpfc_sli4_queue_destroy(phba
);
10585 /* Save device state to PCI config space */
10586 pci_save_state(pdev
);
10587 pci_set_power_state(pdev
, PCI_D3hot
);
10593 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
10594 * @pdev: pointer to PCI device
10596 * This routine is called from the kernel's PCI subsystem to support system
10597 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
10598 * this method, it restores the device's PCI config space state and fully
10599 * reinitializes the device and brings it online. Note that as the driver
10600 * implements the minimum PM requirements to a power-aware driver's PM for
10601 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
10602 * to the suspend() method call will be treated as SUSPEND and the driver
10603 * will fully reinitialize its device during resume() method call, the device
10604 * will be set to PCI_D0 directly in PCI config space before restoring the
10608 * 0 - driver suspended the device
10612 lpfc_pci_resume_one_s4(struct pci_dev
*pdev
)
10614 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10615 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10616 uint32_t intr_mode
;
10619 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10620 "0292 PCI device Power Management resume.\n");
10622 /* Restore device state from PCI config space */
10623 pci_set_power_state(pdev
, PCI_D0
);
10624 pci_restore_state(pdev
);
10627 * As the new kernel behavior of pci_restore_state() API call clears
10628 * device saved_state flag, need to save the restored state again.
10630 pci_save_state(pdev
);
10632 if (pdev
->is_busmaster
)
10633 pci_set_master(pdev
);
10635 /* Startup the kernel thread for this host adapter. */
10636 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
10637 "lpfc_worker_%d", phba
->brd_no
);
10638 if (IS_ERR(phba
->worker_thread
)) {
10639 error
= PTR_ERR(phba
->worker_thread
);
10640 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10641 "0293 PM resume failed to start worker "
10642 "thread: error=x%x.\n", error
);
10646 /* Configure and enable interrupt */
10647 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
10648 if (intr_mode
== LPFC_INTR_ERROR
) {
10649 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10650 "0294 PM resume Failed to enable interrupt\n");
10653 phba
->intr_mode
= intr_mode
;
10655 /* Restart HBA and bring it online */
10656 lpfc_sli_brdrestart(phba
);
10659 /* Log the current active interrupt mode */
10660 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
10666 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
10667 * @phba: pointer to lpfc hba data structure.
10669 * This routine is called to prepare the SLI4 device for PCI slot recover. It
10670 * aborts all the outstanding SCSI I/Os to the pci device.
10673 lpfc_sli4_prep_dev_for_recover(struct lpfc_hba
*phba
)
10675 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10676 "2828 PCI channel I/O abort preparing for recovery\n");
10678 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
10679 * and let the SCSI mid-layer to retry them to recover.
10681 lpfc_sli_abort_fcp_rings(phba
);
10685 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
10686 * @phba: pointer to lpfc hba data structure.
10688 * This routine is called to prepare the SLI4 device for PCI slot reset. It
10689 * disables the device interrupt and pci device, and aborts the internal FCP
10693 lpfc_sli4_prep_dev_for_reset(struct lpfc_hba
*phba
)
10695 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10696 "2826 PCI channel disable preparing for reset\n");
10698 /* Block any management I/Os to the device */
10699 lpfc_block_mgmt_io(phba
, LPFC_MBX_NO_WAIT
);
10701 /* Block all SCSI devices' I/Os on the host */
10702 lpfc_scsi_dev_block(phba
);
10704 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
10705 lpfc_sli_flush_fcp_rings(phba
);
10707 /* stop all timers */
10708 lpfc_stop_hba_timers(phba
);
10710 /* Disable interrupt and pci device */
10711 lpfc_sli4_disable_intr(phba
);
10712 lpfc_sli4_queue_destroy(phba
);
10713 pci_disable_device(phba
->pcidev
);
10717 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
10718 * @phba: pointer to lpfc hba data structure.
10720 * This routine is called to prepare the SLI4 device for PCI slot permanently
10721 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
10725 lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
10727 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10728 "2827 PCI channel permanent disable for failure\n");
10730 /* Block all SCSI devices' I/Os on the host */
10731 lpfc_scsi_dev_block(phba
);
10733 /* stop all timers */
10734 lpfc_stop_hba_timers(phba
);
10736 /* Clean up all driver's outstanding SCSI I/Os */
10737 lpfc_sli_flush_fcp_rings(phba
);
10741 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
10742 * @pdev: pointer to PCI device.
10743 * @state: the current PCI connection state.
10745 * This routine is called from the PCI subsystem for error handling to device
10746 * with SLI-4 interface spec. This function is called by the PCI subsystem
10747 * after a PCI bus error affecting this device has been detected. When this
10748 * function is invoked, it will need to stop all the I/Os and interrupt(s)
10749 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
10750 * for the PCI subsystem to perform proper recovery as desired.
10753 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10754 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10756 static pci_ers_result_t
10757 lpfc_io_error_detected_s4(struct pci_dev
*pdev
, pci_channel_state_t state
)
10759 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10760 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10763 case pci_channel_io_normal
:
10764 /* Non-fatal error, prepare for recovery */
10765 lpfc_sli4_prep_dev_for_recover(phba
);
10766 return PCI_ERS_RESULT_CAN_RECOVER
;
10767 case pci_channel_io_frozen
:
10768 /* Fatal error, prepare for slot reset */
10769 lpfc_sli4_prep_dev_for_reset(phba
);
10770 return PCI_ERS_RESULT_NEED_RESET
;
10771 case pci_channel_io_perm_failure
:
10772 /* Permanent failure, prepare for device down */
10773 lpfc_sli4_prep_dev_for_perm_failure(phba
);
10774 return PCI_ERS_RESULT_DISCONNECT
;
10776 /* Unknown state, prepare and request slot reset */
10777 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10778 "2825 Unknown PCI error state: x%x\n", state
);
10779 lpfc_sli4_prep_dev_for_reset(phba
);
10780 return PCI_ERS_RESULT_NEED_RESET
;
10785 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
10786 * @pdev: pointer to PCI device.
10788 * This routine is called from the PCI subsystem for error handling to device
10789 * with SLI-4 interface spec. It is called after PCI bus has been reset to
10790 * restart the PCI card from scratch, as if from a cold-boot. During the
10791 * PCI subsystem error recovery, after the driver returns
10792 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
10793 * recovery and then call this routine before calling the .resume method to
10794 * recover the device. This function will initialize the HBA device, enable
10795 * the interrupt, but it will just put the HBA to offline state without
10796 * passing any I/O traffic.
10799 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10800 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10802 static pci_ers_result_t
10803 lpfc_io_slot_reset_s4(struct pci_dev
*pdev
)
10805 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10806 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10807 struct lpfc_sli
*psli
= &phba
->sli
;
10808 uint32_t intr_mode
;
10810 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
10811 if (pci_enable_device_mem(pdev
)) {
10812 printk(KERN_ERR
"lpfc: Cannot re-enable "
10813 "PCI device after reset.\n");
10814 return PCI_ERS_RESULT_DISCONNECT
;
10817 pci_restore_state(pdev
);
10820 * As the new kernel behavior of pci_restore_state() API call clears
10821 * device saved_state flag, need to save the restored state again.
10823 pci_save_state(pdev
);
10825 if (pdev
->is_busmaster
)
10826 pci_set_master(pdev
);
10828 spin_lock_irq(&phba
->hbalock
);
10829 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
10830 spin_unlock_irq(&phba
->hbalock
);
10832 /* Configure and enable interrupt */
10833 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
10834 if (intr_mode
== LPFC_INTR_ERROR
) {
10835 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10836 "2824 Cannot re-enable interrupt after "
10838 return PCI_ERS_RESULT_DISCONNECT
;
10840 phba
->intr_mode
= intr_mode
;
10842 /* Log the current active interrupt mode */
10843 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
10845 return PCI_ERS_RESULT_RECOVERED
;
10849 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
10850 * @pdev: pointer to PCI device
10852 * This routine is called from the PCI subsystem for error handling to device
10853 * with SLI-4 interface spec. It is called when kernel error recovery tells
10854 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
10855 * error recovery. After this call, traffic can start to flow from this device
10859 lpfc_io_resume_s4(struct pci_dev
*pdev
)
10861 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10862 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10865 * In case of slot reset, as function reset is performed through
10866 * mailbox command which needs DMA to be enabled, this operation
10867 * has to be moved to the io resume phase. Taking device offline
10868 * will perform the necessary cleanup.
10870 if (!(phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)) {
10871 /* Perform device reset */
10872 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
10873 lpfc_offline(phba
);
10874 lpfc_sli_brdrestart(phba
);
10875 /* Bring the device back online */
10879 /* Clean up Advanced Error Reporting (AER) if needed */
10880 if (phba
->hba_flag
& HBA_AER_ENABLED
)
10881 pci_cleanup_aer_uncorrect_error_status(pdev
);
10885 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
10886 * @pdev: pointer to PCI device
10887 * @pid: pointer to PCI device identifier
10889 * This routine is to be registered to the kernel's PCI subsystem. When an
10890 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
10891 * at PCI device-specific information of the device and driver to see if the
10892 * driver state that it can support this kind of device. If the match is
10893 * successful, the driver core invokes this routine. This routine dispatches
10894 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
10895 * do all the initialization that it needs to do to handle the HBA device
10899 * 0 - driver can claim the device
10900 * negative value - driver can not claim the device
10903 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
10906 struct lpfc_sli_intf intf
;
10908 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
, &intf
.word0
))
10911 if ((bf_get(lpfc_sli_intf_valid
, &intf
) == LPFC_SLI_INTF_VALID
) &&
10912 (bf_get(lpfc_sli_intf_slirev
, &intf
) == LPFC_SLI_INTF_REV_SLI4
))
10913 rc
= lpfc_pci_probe_one_s4(pdev
, pid
);
10915 rc
= lpfc_pci_probe_one_s3(pdev
, pid
);
10921 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
10922 * @pdev: pointer to PCI device
10924 * This routine is to be registered to the kernel's PCI subsystem. When an
10925 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
10926 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
10927 * remove routine, which will perform all the necessary cleanup for the
10928 * device to be removed from the PCI subsystem properly.
10931 lpfc_pci_remove_one(struct pci_dev
*pdev
)
10933 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10934 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10936 switch (phba
->pci_dev_grp
) {
10937 case LPFC_PCI_DEV_LP
:
10938 lpfc_pci_remove_one_s3(pdev
);
10940 case LPFC_PCI_DEV_OC
:
10941 lpfc_pci_remove_one_s4(pdev
);
10944 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10945 "1424 Invalid PCI device group: 0x%x\n",
10946 phba
->pci_dev_grp
);
10953 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
10954 * @pdev: pointer to PCI device
10955 * @msg: power management message
10957 * This routine is to be registered to the kernel's PCI subsystem to support
10958 * system Power Management (PM). When PM invokes this method, it dispatches
10959 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
10960 * suspend the device.
10963 * 0 - driver suspended the device
10967 lpfc_pci_suspend_one(struct pci_dev
*pdev
, pm_message_t msg
)
10969 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10970 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10973 switch (phba
->pci_dev_grp
) {
10974 case LPFC_PCI_DEV_LP
:
10975 rc
= lpfc_pci_suspend_one_s3(pdev
, msg
);
10977 case LPFC_PCI_DEV_OC
:
10978 rc
= lpfc_pci_suspend_one_s4(pdev
, msg
);
10981 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10982 "1425 Invalid PCI device group: 0x%x\n",
10983 phba
->pci_dev_grp
);
10990 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
10991 * @pdev: pointer to PCI device
10993 * This routine is to be registered to the kernel's PCI subsystem to support
10994 * system Power Management (PM). When PM invokes this method, it dispatches
10995 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
10996 * resume the device.
10999 * 0 - driver suspended the device
11003 lpfc_pci_resume_one(struct pci_dev
*pdev
)
11005 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11006 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11009 switch (phba
->pci_dev_grp
) {
11010 case LPFC_PCI_DEV_LP
:
11011 rc
= lpfc_pci_resume_one_s3(pdev
);
11013 case LPFC_PCI_DEV_OC
:
11014 rc
= lpfc_pci_resume_one_s4(pdev
);
11017 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11018 "1426 Invalid PCI device group: 0x%x\n",
11019 phba
->pci_dev_grp
);
11026 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
11027 * @pdev: pointer to PCI device.
11028 * @state: the current PCI connection state.
11030 * This routine is registered to the PCI subsystem for error handling. This
11031 * function is called by the PCI subsystem after a PCI bus error affecting
11032 * this device has been detected. When this routine is invoked, it dispatches
11033 * the action to the proper SLI-3 or SLI-4 device error detected handling
11034 * routine, which will perform the proper error detected operation.
11037 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
11038 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
11040 static pci_ers_result_t
11041 lpfc_io_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
11043 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11044 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11045 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
11047 switch (phba
->pci_dev_grp
) {
11048 case LPFC_PCI_DEV_LP
:
11049 rc
= lpfc_io_error_detected_s3(pdev
, state
);
11051 case LPFC_PCI_DEV_OC
:
11052 rc
= lpfc_io_error_detected_s4(pdev
, state
);
11055 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11056 "1427 Invalid PCI device group: 0x%x\n",
11057 phba
->pci_dev_grp
);
11064 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
11065 * @pdev: pointer to PCI device.
11067 * This routine is registered to the PCI subsystem for error handling. This
11068 * function is called after PCI bus has been reset to restart the PCI card
11069 * from scratch, as if from a cold-boot. When this routine is invoked, it
11070 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
11071 * routine, which will perform the proper device reset.
11074 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
11075 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
11077 static pci_ers_result_t
11078 lpfc_io_slot_reset(struct pci_dev
*pdev
)
11080 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11081 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11082 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
11084 switch (phba
->pci_dev_grp
) {
11085 case LPFC_PCI_DEV_LP
:
11086 rc
= lpfc_io_slot_reset_s3(pdev
);
11088 case LPFC_PCI_DEV_OC
:
11089 rc
= lpfc_io_slot_reset_s4(pdev
);
11092 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11093 "1428 Invalid PCI device group: 0x%x\n",
11094 phba
->pci_dev_grp
);
11101 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
11102 * @pdev: pointer to PCI device
11104 * This routine is registered to the PCI subsystem for error handling. It
11105 * is called when kernel error recovery tells the lpfc driver that it is
11106 * OK to resume normal PCI operation after PCI bus error recovery. When
11107 * this routine is invoked, it dispatches the action to the proper SLI-3
11108 * or SLI-4 device io_resume routine, which will resume the device operation.
11111 lpfc_io_resume(struct pci_dev
*pdev
)
11113 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
11114 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
11116 switch (phba
->pci_dev_grp
) {
11117 case LPFC_PCI_DEV_LP
:
11118 lpfc_io_resume_s3(pdev
);
11120 case LPFC_PCI_DEV_OC
:
11121 lpfc_io_resume_s4(pdev
);
11124 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11125 "1429 Invalid PCI device group: 0x%x\n",
11126 phba
->pci_dev_grp
);
11133 * lpfc_sli4_oas_verify - Verify OAS is supported by this adapter
11134 * @phba: pointer to lpfc hba data structure.
11136 * This routine checks to see if OAS is supported for this adapter. If
11137 * supported, the configure Flash Optimized Fabric flag is set. Otherwise,
11138 * the enable oas flag is cleared and the pool created for OAS device data
11143 lpfc_sli4_oas_verify(struct lpfc_hba
*phba
)
11146 if (!phba
->cfg_EnableXLane
)
11149 if (phba
->sli4_hba
.pc_sli4_params
.oas_supported
) {
11153 if (phba
->device_data_mem_pool
)
11154 mempool_destroy(phba
->device_data_mem_pool
);
11155 phba
->device_data_mem_pool
= NULL
;
11162 * lpfc_fof_queue_setup - Set up all the fof queues
11163 * @phba: pointer to lpfc hba data structure.
11165 * This routine is invoked to set up all the fof queues for the FC HBA
11170 * -ENOMEM - No available memory
11173 lpfc_fof_queue_setup(struct lpfc_hba
*phba
)
11175 struct lpfc_sli
*psli
= &phba
->sli
;
11178 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.fof_eq
, LPFC_MAX_IMAX
);
11182 if (phba
->cfg_fof
) {
11184 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.oas_cq
,
11185 phba
->sli4_hba
.fof_eq
, LPFC_WCQ
, LPFC_FCP
);
11189 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.oas_wq
,
11190 phba
->sli4_hba
.oas_cq
, LPFC_FCP
);
11194 phba
->sli4_hba
.oas_cq
->pring
= &psli
->ring
[LPFC_FCP_OAS_RING
];
11195 phba
->sli4_hba
.oas_ring
= &psli
->ring
[LPFC_FCP_OAS_RING
];
11201 lpfc_cq_destroy(phba
, phba
->sli4_hba
.oas_cq
);
11203 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fof_eq
);
11209 * lpfc_fof_queue_create - Create all the fof queues
11210 * @phba: pointer to lpfc hba data structure.
11212 * This routine is invoked to allocate all the fof queues for the FC HBA
11213 * operation. For each SLI4 queue type, the parameters such as queue entry
11214 * count (queue depth) shall be taken from the module parameter. For now,
11215 * we just use some constant number as place holder.
11219 * -ENOMEM - No availble memory
11220 * -EIO - The mailbox failed to complete successfully.
11223 lpfc_fof_queue_create(struct lpfc_hba
*phba
)
11225 struct lpfc_queue
*qdesc
;
11227 /* Create FOF EQ */
11228 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
11229 phba
->sli4_hba
.eq_ecount
);
11233 phba
->sli4_hba
.fof_eq
= qdesc
;
11235 if (phba
->cfg_fof
) {
11237 /* Create OAS CQ */
11238 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
11239 phba
->sli4_hba
.cq_ecount
);
11243 phba
->sli4_hba
.oas_cq
= qdesc
;
11245 /* Create OAS WQ */
11246 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
11247 phba
->sli4_hba
.wq_ecount
);
11251 phba
->sli4_hba
.oas_wq
= qdesc
;
11257 lpfc_fof_queue_destroy(phba
);
11262 * lpfc_fof_queue_destroy - Destroy all the fof queues
11263 * @phba: pointer to lpfc hba data structure.
11265 * This routine is invoked to release all the SLI4 queues with the FC HBA
11272 lpfc_fof_queue_destroy(struct lpfc_hba
*phba
)
11274 /* Release FOF Event queue */
11275 if (phba
->sli4_hba
.fof_eq
!= NULL
) {
11276 lpfc_sli4_queue_free(phba
->sli4_hba
.fof_eq
);
11277 phba
->sli4_hba
.fof_eq
= NULL
;
11280 /* Release OAS Completion queue */
11281 if (phba
->sli4_hba
.oas_cq
!= NULL
) {
11282 lpfc_sli4_queue_free(phba
->sli4_hba
.oas_cq
);
11283 phba
->sli4_hba
.oas_cq
= NULL
;
11286 /* Release OAS Work queue */
11287 if (phba
->sli4_hba
.oas_wq
!= NULL
) {
11288 lpfc_sli4_queue_free(phba
->sli4_hba
.oas_wq
);
11289 phba
->sli4_hba
.oas_wq
= NULL
;
11294 static struct pci_device_id lpfc_id_table
[] = {
11295 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
11296 PCI_ANY_ID
, PCI_ANY_ID
, },
11297 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
11298 PCI_ANY_ID
, PCI_ANY_ID
, },
11299 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
11300 PCI_ANY_ID
, PCI_ANY_ID
, },
11301 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
11302 PCI_ANY_ID
, PCI_ANY_ID
, },
11303 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
11304 PCI_ANY_ID
, PCI_ANY_ID
, },
11305 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
11306 PCI_ANY_ID
, PCI_ANY_ID
, },
11307 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
11308 PCI_ANY_ID
, PCI_ANY_ID
, },
11309 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
11310 PCI_ANY_ID
, PCI_ANY_ID
, },
11311 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
11312 PCI_ANY_ID
, PCI_ANY_ID
, },
11313 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
11314 PCI_ANY_ID
, PCI_ANY_ID
, },
11315 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
11316 PCI_ANY_ID
, PCI_ANY_ID
, },
11317 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
11318 PCI_ANY_ID
, PCI_ANY_ID
, },
11319 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
11320 PCI_ANY_ID
, PCI_ANY_ID
, },
11321 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
11322 PCI_ANY_ID
, PCI_ANY_ID
, },
11323 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
11324 PCI_ANY_ID
, PCI_ANY_ID
, },
11325 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
11326 PCI_ANY_ID
, PCI_ANY_ID
, },
11327 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
11328 PCI_ANY_ID
, PCI_ANY_ID
, },
11329 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
11330 PCI_ANY_ID
, PCI_ANY_ID
, },
11331 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HORNET
,
11332 PCI_ANY_ID
, PCI_ANY_ID
, },
11333 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
11334 PCI_ANY_ID
, PCI_ANY_ID
, },
11335 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
11336 PCI_ANY_ID
, PCI_ANY_ID
, },
11337 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
11338 PCI_ANY_ID
, PCI_ANY_ID
, },
11339 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
11340 PCI_ANY_ID
, PCI_ANY_ID
, },
11341 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
11342 PCI_ANY_ID
, PCI_ANY_ID
, },
11343 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
11344 PCI_ANY_ID
, PCI_ANY_ID
, },
11345 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
11346 PCI_ANY_ID
, PCI_ANY_ID
, },
11347 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
11348 PCI_ANY_ID
, PCI_ANY_ID
, },
11349 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
11350 PCI_ANY_ID
, PCI_ANY_ID
, },
11351 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT
,
11352 PCI_ANY_ID
, PCI_ANY_ID
, },
11353 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_MID
,
11354 PCI_ANY_ID
, PCI_ANY_ID
, },
11355 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SMB
,
11356 PCI_ANY_ID
, PCI_ANY_ID
, },
11357 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_DCSP
,
11358 PCI_ANY_ID
, PCI_ANY_ID
, },
11359 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SCSP
,
11360 PCI_ANY_ID
, PCI_ANY_ID
, },
11361 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_S
,
11362 PCI_ANY_ID
, PCI_ANY_ID
, },
11363 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_VF
,
11364 PCI_ANY_ID
, PCI_ANY_ID
, },
11365 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_PF
,
11366 PCI_ANY_ID
, PCI_ANY_ID
, },
11367 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_S
,
11368 PCI_ANY_ID
, PCI_ANY_ID
, },
11369 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TIGERSHARK
,
11370 PCI_ANY_ID
, PCI_ANY_ID
, },
11371 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TOMCAT
,
11372 PCI_ANY_ID
, PCI_ANY_ID
, },
11373 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FALCON
,
11374 PCI_ANY_ID
, PCI_ANY_ID
, },
11375 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BALIUS
,
11376 PCI_ANY_ID
, PCI_ANY_ID
, },
11377 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC
,
11378 PCI_ANY_ID
, PCI_ANY_ID
, },
11379 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE
,
11380 PCI_ANY_ID
, PCI_ANY_ID
, },
11381 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC_VF
,
11382 PCI_ANY_ID
, PCI_ANY_ID
, },
11383 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE_VF
,
11384 PCI_ANY_ID
, PCI_ANY_ID
, },
11385 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_G6_FC
,
11386 PCI_ANY_ID
, PCI_ANY_ID
, },
11387 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SKYHAWK
,
11388 PCI_ANY_ID
, PCI_ANY_ID
, },
11389 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SKYHAWK_VF
,
11390 PCI_ANY_ID
, PCI_ANY_ID
, },
11394 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
11396 static const struct pci_error_handlers lpfc_err_handler
= {
11397 .error_detected
= lpfc_io_error_detected
,
11398 .slot_reset
= lpfc_io_slot_reset
,
11399 .resume
= lpfc_io_resume
,
11402 static struct pci_driver lpfc_driver
= {
11403 .name
= LPFC_DRIVER_NAME
,
11404 .id_table
= lpfc_id_table
,
11405 .probe
= lpfc_pci_probe_one
,
11406 .remove
= lpfc_pci_remove_one
,
11407 .suspend
= lpfc_pci_suspend_one
,
11408 .resume
= lpfc_pci_resume_one
,
11409 .err_handler
= &lpfc_err_handler
,
11412 static const struct file_operations lpfc_mgmt_fop
= {
11413 .owner
= THIS_MODULE
,
11416 static struct miscdevice lpfc_mgmt_dev
= {
11417 .minor
= MISC_DYNAMIC_MINOR
,
11418 .name
= "lpfcmgmt",
11419 .fops
= &lpfc_mgmt_fop
,
11423 * lpfc_init - lpfc module initialization routine
11425 * This routine is to be invoked when the lpfc module is loaded into the
11426 * kernel. The special kernel macro module_init() is used to indicate the
11427 * role of this routine to the kernel as lpfc module entry point.
11431 * -ENOMEM - FC attach transport failed
11432 * all others - failed
11440 printk(LPFC_MODULE_DESC
"\n");
11441 printk(LPFC_COPYRIGHT
"\n");
11443 error
= misc_register(&lpfc_mgmt_dev
);
11445 printk(KERN_ERR
"Could not register lpfcmgmt device, "
11446 "misc_register returned with status %d", error
);
11448 if (lpfc_enable_npiv
) {
11449 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
11450 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
11452 lpfc_transport_template
=
11453 fc_attach_transport(&lpfc_transport_functions
);
11454 if (lpfc_transport_template
== NULL
)
11456 if (lpfc_enable_npiv
) {
11457 lpfc_vport_transport_template
=
11458 fc_attach_transport(&lpfc_vport_transport_functions
);
11459 if (lpfc_vport_transport_template
== NULL
) {
11460 fc_release_transport(lpfc_transport_template
);
11465 /* Initialize in case vector mapping is needed */
11466 lpfc_used_cpu
= NULL
;
11467 lpfc_present_cpu
= 0;
11468 for_each_present_cpu(cpu
)
11469 lpfc_present_cpu
++;
11471 error
= pci_register_driver(&lpfc_driver
);
11473 fc_release_transport(lpfc_transport_template
);
11474 if (lpfc_enable_npiv
)
11475 fc_release_transport(lpfc_vport_transport_template
);
11482 * lpfc_exit - lpfc module removal routine
11484 * This routine is invoked when the lpfc module is removed from the kernel.
11485 * The special kernel macro module_exit() is used to indicate the role of
11486 * this routine to the kernel as lpfc module exit point.
11491 misc_deregister(&lpfc_mgmt_dev
);
11492 pci_unregister_driver(&lpfc_driver
);
11493 fc_release_transport(lpfc_transport_template
);
11494 if (lpfc_enable_npiv
)
11495 fc_release_transport(lpfc_vport_transport_template
);
11496 if (_dump_buf_data
) {
11497 printk(KERN_ERR
"9062 BLKGRD: freeing %lu pages for "
11498 "_dump_buf_data at 0x%p\n",
11499 (1L << _dump_buf_data_order
), _dump_buf_data
);
11500 free_pages((unsigned long)_dump_buf_data
, _dump_buf_data_order
);
11503 if (_dump_buf_dif
) {
11504 printk(KERN_ERR
"9049 BLKGRD: freeing %lu pages for "
11505 "_dump_buf_dif at 0x%p\n",
11506 (1L << _dump_buf_dif_order
), _dump_buf_dif
);
11507 free_pages((unsigned long)_dump_buf_dif
, _dump_buf_dif_order
);
11509 kfree(lpfc_used_cpu
);
11510 idr_destroy(&lpfc_hba_index
);
11513 module_init(lpfc_init
);
11514 module_exit(lpfc_exit
);
11515 MODULE_LICENSE("GPL");
11516 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
11517 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
11518 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);