1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2014 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 sprintf(phba
->OptionROMVersion
, "%d.%d%d",
310 prg
->ver
, prg
->rev
, prg
->lev
);
312 sprintf(phba
->OptionROMVersion
, "%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 /* Reset link speed to auto */
704 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
705 "1302 Invalid speed for this board:%d "
706 "Reset link speed to auto.\n",
707 phba
->cfg_link_speed
);
708 phba
->cfg_link_speed
= LPFC_USER_LINK_SPEED_AUTO
;
710 lpfc_init_link(phba
, pmb
, fc_topology
, phba
->cfg_link_speed
);
711 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
712 if (phba
->sli_rev
< LPFC_SLI_REV4
)
713 lpfc_set_loopback_flag(phba
);
714 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
715 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
716 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
717 "0498 Adapter failed to init, mbxCmd x%x "
718 "INIT_LINK, mbxStatus x%x\n",
719 mb
->mbxCommand
, mb
->mbxStatus
);
720 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
721 /* Clear all interrupt enable conditions */
722 writel(0, phba
->HCregaddr
);
723 readl(phba
->HCregaddr
); /* flush */
724 /* Clear all pending interrupts */
725 writel(0xffffffff, phba
->HAregaddr
);
726 readl(phba
->HAregaddr
); /* flush */
728 phba
->link_state
= LPFC_HBA_ERROR
;
729 if (rc
!= MBX_BUSY
|| flag
== MBX_POLL
)
730 mempool_free(pmb
, phba
->mbox_mem_pool
);
733 phba
->cfg_suppress_link_up
= LPFC_INITIALIZE_LINK
;
734 if (flag
== MBX_POLL
)
735 mempool_free(pmb
, phba
->mbox_mem_pool
);
741 * lpfc_hba_down_link - this routine downs the FC link
742 * @phba: pointer to lpfc hba data structure.
743 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
745 * This routine will issue the DOWN_LINK mailbox command call.
746 * It is available to other drivers through the lpfc_hba data
747 * structure for use to stop the link.
751 * Any other value - error
754 lpfc_hba_down_link(struct lpfc_hba
*phba
, uint32_t flag
)
759 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
761 phba
->link_state
= LPFC_HBA_ERROR
;
765 lpfc_printf_log(phba
,
767 "0491 Adapter Link is disabled.\n");
768 lpfc_down_link(phba
, pmb
);
769 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
770 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
771 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
772 lpfc_printf_log(phba
,
774 "2522 Adapter failed to issue DOWN_LINK"
775 " mbox command rc 0x%x\n", rc
);
777 mempool_free(pmb
, phba
->mbox_mem_pool
);
780 if (flag
== MBX_POLL
)
781 mempool_free(pmb
, phba
->mbox_mem_pool
);
787 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
788 * @phba: pointer to lpfc HBA data structure.
790 * This routine will do LPFC uninitialization before the HBA is reset when
791 * bringing down the SLI Layer.
795 * Any other value - error.
798 lpfc_hba_down_prep(struct lpfc_hba
*phba
)
800 struct lpfc_vport
**vports
;
803 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
804 /* Disable interrupts */
805 writel(0, phba
->HCregaddr
);
806 readl(phba
->HCregaddr
); /* flush */
809 if (phba
->pport
->load_flag
& FC_UNLOADING
)
810 lpfc_cleanup_discovery_resources(phba
->pport
);
812 vports
= lpfc_create_vport_work_array(phba
);
814 for (i
= 0; i
<= phba
->max_vports
&&
815 vports
[i
] != NULL
; i
++)
816 lpfc_cleanup_discovery_resources(vports
[i
]);
817 lpfc_destroy_vport_work_array(phba
, vports
);
823 * lpfc_sli4_free_sp_events - Cleanup sp_queue_events to free
824 * rspiocb which got deferred
826 * @phba: pointer to lpfc HBA data structure.
828 * This routine will cleanup completed slow path events after HBA is reset
829 * when bringing down the SLI Layer.
836 lpfc_sli4_free_sp_events(struct lpfc_hba
*phba
)
838 struct lpfc_iocbq
*rspiocbq
;
839 struct hbq_dmabuf
*dmabuf
;
840 struct lpfc_cq_event
*cq_event
;
842 spin_lock_irq(&phba
->hbalock
);
843 phba
->hba_flag
&= ~HBA_SP_QUEUE_EVT
;
844 spin_unlock_irq(&phba
->hbalock
);
846 while (!list_empty(&phba
->sli4_hba
.sp_queue_event
)) {
847 /* Get the response iocb from the head of work queue */
848 spin_lock_irq(&phba
->hbalock
);
849 list_remove_head(&phba
->sli4_hba
.sp_queue_event
,
850 cq_event
, struct lpfc_cq_event
, list
);
851 spin_unlock_irq(&phba
->hbalock
);
853 switch (bf_get(lpfc_wcqe_c_code
, &cq_event
->cqe
.wcqe_cmpl
)) {
854 case CQE_CODE_COMPL_WQE
:
855 rspiocbq
= container_of(cq_event
, struct lpfc_iocbq
,
857 lpfc_sli_release_iocbq(phba
, rspiocbq
);
859 case CQE_CODE_RECEIVE
:
860 case CQE_CODE_RECEIVE_V1
:
861 dmabuf
= container_of(cq_event
, struct hbq_dmabuf
,
863 lpfc_in_buf_free(phba
, &dmabuf
->dbuf
);
869 * lpfc_hba_free_post_buf - Perform lpfc uninitialization after HBA reset
870 * @phba: pointer to lpfc HBA data structure.
872 * This routine will cleanup posted ELS buffers after the HBA is reset
873 * when bringing down the SLI Layer.
880 lpfc_hba_free_post_buf(struct lpfc_hba
*phba
)
882 struct lpfc_sli
*psli
= &phba
->sli
;
883 struct lpfc_sli_ring
*pring
;
884 struct lpfc_dmabuf
*mp
, *next_mp
;
888 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)
889 lpfc_sli_hbqbuf_free_all(phba
);
891 /* Cleanup preposted buffers on the ELS ring */
892 pring
= &psli
->ring
[LPFC_ELS_RING
];
893 spin_lock_irq(&phba
->hbalock
);
894 list_splice_init(&pring
->postbufq
, &buflist
);
895 spin_unlock_irq(&phba
->hbalock
);
898 list_for_each_entry_safe(mp
, next_mp
, &buflist
, list
) {
901 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
905 spin_lock_irq(&phba
->hbalock
);
906 pring
->postbufq_cnt
-= count
;
907 spin_unlock_irq(&phba
->hbalock
);
912 * lpfc_hba_clean_txcmplq - Perform lpfc uninitialization after HBA reset
913 * @phba: pointer to lpfc HBA data structure.
915 * This routine will cleanup the txcmplq after the HBA is reset when bringing
916 * down the SLI Layer.
922 lpfc_hba_clean_txcmplq(struct lpfc_hba
*phba
)
924 struct lpfc_sli
*psli
= &phba
->sli
;
925 struct lpfc_sli_ring
*pring
;
926 LIST_HEAD(completions
);
929 for (i
= 0; i
< psli
->num_rings
; i
++) {
930 pring
= &psli
->ring
[i
];
931 if (phba
->sli_rev
>= LPFC_SLI_REV4
)
932 spin_lock_irq(&pring
->ring_lock
);
934 spin_lock_irq(&phba
->hbalock
);
935 /* At this point in time the HBA is either reset or DOA. Either
936 * way, nothing should be on txcmplq as it will NEVER complete.
938 list_splice_init(&pring
->txcmplq
, &completions
);
939 pring
->txcmplq_cnt
= 0;
941 if (phba
->sli_rev
>= LPFC_SLI_REV4
)
942 spin_unlock_irq(&pring
->ring_lock
);
944 spin_unlock_irq(&phba
->hbalock
);
946 /* Cancel all the IOCBs from the completions list */
947 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
949 lpfc_sli_abort_iocb_ring(phba
, pring
);
954 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
956 * @phba: pointer to lpfc HBA data structure.
958 * This routine will do uninitialization after the HBA is reset when bring
959 * down the SLI Layer.
963 * Any other value - error.
966 lpfc_hba_down_post_s3(struct lpfc_hba
*phba
)
968 lpfc_hba_free_post_buf(phba
);
969 lpfc_hba_clean_txcmplq(phba
);
974 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
975 * @phba: pointer to lpfc HBA data structure.
977 * This routine will do uninitialization after the HBA is reset when bring
978 * down the SLI Layer.
982 * Any other value - error.
985 lpfc_hba_down_post_s4(struct lpfc_hba
*phba
)
987 struct lpfc_scsi_buf
*psb
, *psb_next
;
989 unsigned long iflag
= 0;
990 struct lpfc_sglq
*sglq_entry
= NULL
;
991 struct lpfc_sli
*psli
= &phba
->sli
;
992 struct lpfc_sli_ring
*pring
;
994 lpfc_hba_free_post_buf(phba
);
995 lpfc_hba_clean_txcmplq(phba
);
996 pring
= &psli
->ring
[LPFC_ELS_RING
];
998 /* At this point in time the HBA is either reset or DOA. Either
999 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
1000 * on the lpfc_sgl_list so that it can either be freed if the
1001 * driver is unloading or reposted if the driver is restarting
1004 spin_lock_irq(&phba
->hbalock
); /* required for lpfc_sgl_list and */
1006 /* abts_sgl_list_lock required because worker thread uses this
1009 spin_lock(&phba
->sli4_hba
.abts_sgl_list_lock
);
1010 list_for_each_entry(sglq_entry
,
1011 &phba
->sli4_hba
.lpfc_abts_els_sgl_list
, list
)
1012 sglq_entry
->state
= SGL_FREED
;
1014 spin_lock(&pring
->ring_lock
);
1015 list_splice_init(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
,
1016 &phba
->sli4_hba
.lpfc_sgl_list
);
1017 spin_unlock(&pring
->ring_lock
);
1018 spin_unlock(&phba
->sli4_hba
.abts_sgl_list_lock
);
1019 /* abts_scsi_buf_list_lock required because worker thread uses this
1022 spin_lock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
1023 list_splice_init(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
,
1025 spin_unlock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
1026 spin_unlock_irq(&phba
->hbalock
);
1028 list_for_each_entry_safe(psb
, psb_next
, &aborts
, list
) {
1030 psb
->status
= IOSTAT_SUCCESS
;
1032 spin_lock_irqsave(&phba
->scsi_buf_list_put_lock
, iflag
);
1033 list_splice(&aborts
, &phba
->lpfc_scsi_buf_list_put
);
1034 spin_unlock_irqrestore(&phba
->scsi_buf_list_put_lock
, iflag
);
1036 lpfc_sli4_free_sp_events(phba
);
1041 * lpfc_hba_down_post - Wrapper func for hba down post routine
1042 * @phba: pointer to lpfc HBA data structure.
1044 * This routine wraps the actual SLI3 or SLI4 routine for performing
1045 * uninitialization after the HBA is reset when bring down the SLI Layer.
1049 * Any other value - error.
1052 lpfc_hba_down_post(struct lpfc_hba
*phba
)
1054 return (*phba
->lpfc_hba_down_post
)(phba
);
1058 * lpfc_hb_timeout - The HBA-timer timeout handler
1059 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
1061 * This is the HBA-timer timeout handler registered to the lpfc driver. When
1062 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
1063 * work-port-events bitmap and the worker thread is notified. This timeout
1064 * event will be used by the worker thread to invoke the actual timeout
1065 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
1066 * be performed in the timeout handler and the HBA timeout event bit shall
1067 * be cleared by the worker thread after it has taken the event bitmap out.
1070 lpfc_hb_timeout(unsigned long ptr
)
1072 struct lpfc_hba
*phba
;
1073 uint32_t tmo_posted
;
1074 unsigned long iflag
;
1076 phba
= (struct lpfc_hba
*)ptr
;
1078 /* Check for heart beat timeout conditions */
1079 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
1080 tmo_posted
= phba
->pport
->work_port_events
& WORKER_HB_TMO
;
1082 phba
->pport
->work_port_events
|= WORKER_HB_TMO
;
1083 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
1085 /* Tell the worker thread there is work to do */
1087 lpfc_worker_wake_up(phba
);
1092 * lpfc_rrq_timeout - The RRQ-timer timeout handler
1093 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
1095 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
1096 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
1097 * work-port-events bitmap and the worker thread is notified. This timeout
1098 * event will be used by the worker thread to invoke the actual timeout
1099 * handler routine, lpfc_rrq_handler. Any periodical operations will
1100 * be performed in the timeout handler and the RRQ timeout event bit shall
1101 * be cleared by the worker thread after it has taken the event bitmap out.
1104 lpfc_rrq_timeout(unsigned long ptr
)
1106 struct lpfc_hba
*phba
;
1107 unsigned long iflag
;
1109 phba
= (struct lpfc_hba
*)ptr
;
1110 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
1111 if (!(phba
->pport
->load_flag
& FC_UNLOADING
))
1112 phba
->hba_flag
|= HBA_RRQ_ACTIVE
;
1114 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
1115 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
1117 if (!(phba
->pport
->load_flag
& FC_UNLOADING
))
1118 lpfc_worker_wake_up(phba
);
1122 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
1123 * @phba: pointer to lpfc hba data structure.
1124 * @pmboxq: pointer to the driver internal queue element for mailbox command.
1126 * This is the callback function to the lpfc heart-beat mailbox command.
1127 * If configured, the lpfc driver issues the heart-beat mailbox command to
1128 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
1129 * heart-beat mailbox command is issued, the driver shall set up heart-beat
1130 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
1131 * heart-beat outstanding state. Once the mailbox command comes back and
1132 * no error conditions detected, the heart-beat mailbox command timer is
1133 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1134 * state is cleared for the next heart-beat. If the timer expired with the
1135 * heart-beat outstanding state set, the driver will put the HBA offline.
1138 lpfc_hb_mbox_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
1140 unsigned long drvr_flag
;
1142 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
1143 phba
->hb_outstanding
= 0;
1144 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
1146 /* Check and reset heart-beat timer is necessary */
1147 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1148 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
) &&
1149 !(phba
->link_state
== LPFC_HBA_ERROR
) &&
1150 !(phba
->pport
->load_flag
& FC_UNLOADING
))
1151 mod_timer(&phba
->hb_tmofunc
,
1153 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
1158 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
1159 * @phba: pointer to lpfc hba data structure.
1161 * This is the actual HBA-timer timeout handler to be invoked by the worker
1162 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1163 * handler performs any periodic operations needed for the device. If such
1164 * periodic event has already been attended to either in the interrupt handler
1165 * or by processing slow-ring or fast-ring events within the HBA-timer
1166 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1167 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1168 * is configured and there is no heart-beat mailbox command outstanding, a
1169 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1170 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1174 lpfc_hb_timeout_handler(struct lpfc_hba
*phba
)
1176 struct lpfc_vport
**vports
;
1177 LPFC_MBOXQ_t
*pmboxq
;
1178 struct lpfc_dmabuf
*buf_ptr
;
1180 struct lpfc_sli
*psli
= &phba
->sli
;
1181 LIST_HEAD(completions
);
1183 vports
= lpfc_create_vport_work_array(phba
);
1185 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
1186 lpfc_rcv_seq_check_edtov(vports
[i
]);
1187 lpfc_destroy_vport_work_array(phba
, vports
);
1189 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
1190 (phba
->pport
->load_flag
& FC_UNLOADING
) ||
1191 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
1194 spin_lock_irq(&phba
->pport
->work_port_lock
);
1196 if (time_after(phba
->last_completion_time
+
1197 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
),
1199 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1200 if (!phba
->hb_outstanding
)
1201 mod_timer(&phba
->hb_tmofunc
,
1203 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
1205 mod_timer(&phba
->hb_tmofunc
,
1207 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1210 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1212 if (phba
->elsbuf_cnt
&&
1213 (phba
->elsbuf_cnt
== phba
->elsbuf_prev_cnt
)) {
1214 spin_lock_irq(&phba
->hbalock
);
1215 list_splice_init(&phba
->elsbuf
, &completions
);
1216 phba
->elsbuf_cnt
= 0;
1217 phba
->elsbuf_prev_cnt
= 0;
1218 spin_unlock_irq(&phba
->hbalock
);
1220 while (!list_empty(&completions
)) {
1221 list_remove_head(&completions
, buf_ptr
,
1222 struct lpfc_dmabuf
, list
);
1223 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
1227 phba
->elsbuf_prev_cnt
= phba
->elsbuf_cnt
;
1229 /* If there is no heart beat outstanding, issue a heartbeat command */
1230 if (phba
->cfg_enable_hba_heartbeat
) {
1231 if (!phba
->hb_outstanding
) {
1232 if ((!(psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
)) &&
1233 (list_empty(&psli
->mboxq
))) {
1234 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,
1237 mod_timer(&phba
->hb_tmofunc
,
1239 msecs_to_jiffies(1000 *
1240 LPFC_HB_MBOX_INTERVAL
));
1244 lpfc_heart_beat(phba
, pmboxq
);
1245 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
1246 pmboxq
->vport
= phba
->pport
;
1247 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
,
1250 if (retval
!= MBX_BUSY
&&
1251 retval
!= MBX_SUCCESS
) {
1252 mempool_free(pmboxq
,
1253 phba
->mbox_mem_pool
);
1254 mod_timer(&phba
->hb_tmofunc
,
1256 msecs_to_jiffies(1000 *
1257 LPFC_HB_MBOX_INTERVAL
));
1260 phba
->skipped_hb
= 0;
1261 phba
->hb_outstanding
= 1;
1262 } else if (time_before_eq(phba
->last_completion_time
,
1263 phba
->skipped_hb
)) {
1264 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1265 "2857 Last completion time not "
1266 " updated in %d ms\n",
1267 jiffies_to_msecs(jiffies
1268 - phba
->last_completion_time
));
1270 phba
->skipped_hb
= jiffies
;
1272 mod_timer(&phba
->hb_tmofunc
,
1274 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1278 * If heart beat timeout called with hb_outstanding set
1279 * we need to give the hb mailbox cmd a chance to
1282 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1283 "0459 Adapter heartbeat still out"
1284 "standing:last compl time was %d ms.\n",
1285 jiffies_to_msecs(jiffies
1286 - phba
->last_completion_time
));
1287 mod_timer(&phba
->hb_tmofunc
,
1289 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT
));
1295 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
1296 * @phba: pointer to lpfc hba data structure.
1298 * This routine is called to bring the HBA offline when HBA hardware error
1299 * other than Port Error 6 has been detected.
1302 lpfc_offline_eratt(struct lpfc_hba
*phba
)
1304 struct lpfc_sli
*psli
= &phba
->sli
;
1306 spin_lock_irq(&phba
->hbalock
);
1307 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1308 spin_unlock_irq(&phba
->hbalock
);
1309 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1312 lpfc_reset_barrier(phba
);
1313 spin_lock_irq(&phba
->hbalock
);
1314 lpfc_sli_brdreset(phba
);
1315 spin_unlock_irq(&phba
->hbalock
);
1316 lpfc_hba_down_post(phba
);
1317 lpfc_sli_brdready(phba
, HS_MBRDY
);
1318 lpfc_unblock_mgmt_io(phba
);
1319 phba
->link_state
= LPFC_HBA_ERROR
;
1324 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1325 * @phba: pointer to lpfc hba data structure.
1327 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1328 * other than Port Error 6 has been detected.
1331 lpfc_sli4_offline_eratt(struct lpfc_hba
*phba
)
1333 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1335 lpfc_sli4_brdreset(phba
);
1336 lpfc_hba_down_post(phba
);
1337 lpfc_sli4_post_status_check(phba
);
1338 lpfc_unblock_mgmt_io(phba
);
1339 phba
->link_state
= LPFC_HBA_ERROR
;
1343 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1344 * @phba: pointer to lpfc hba data structure.
1346 * This routine is invoked to handle the deferred HBA hardware error
1347 * conditions. This type of error is indicated by HBA by setting ER1
1348 * and another ER bit in the host status register. The driver will
1349 * wait until the ER1 bit clears before handling the error condition.
1352 lpfc_handle_deferred_eratt(struct lpfc_hba
*phba
)
1354 uint32_t old_host_status
= phba
->work_hs
;
1355 struct lpfc_sli
*psli
= &phba
->sli
;
1357 /* If the pci channel is offline, ignore possible errors,
1358 * since we cannot communicate with the pci card anyway.
1360 if (pci_channel_offline(phba
->pcidev
)) {
1361 spin_lock_irq(&phba
->hbalock
);
1362 phba
->hba_flag
&= ~DEFER_ERATT
;
1363 spin_unlock_irq(&phba
->hbalock
);
1367 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1368 "0479 Deferred Adapter Hardware Error "
1369 "Data: x%x x%x x%x\n",
1371 phba
->work_status
[0], phba
->work_status
[1]);
1373 spin_lock_irq(&phba
->hbalock
);
1374 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1375 spin_unlock_irq(&phba
->hbalock
);
1379 * Firmware stops when it triggred erratt. That could cause the I/Os
1380 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1381 * SCSI layer retry it after re-establishing link.
1383 lpfc_sli_abort_fcp_rings(phba
);
1386 * There was a firmware error. Take the hba offline and then
1387 * attempt to restart it.
1389 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
1392 /* Wait for the ER1 bit to clear.*/
1393 while (phba
->work_hs
& HS_FFER1
) {
1395 if (lpfc_readl(phba
->HSregaddr
, &phba
->work_hs
)) {
1396 phba
->work_hs
= UNPLUG_ERR
;
1399 /* If driver is unloading let the worker thread continue */
1400 if (phba
->pport
->load_flag
& FC_UNLOADING
) {
1407 * This is to ptrotect against a race condition in which
1408 * first write to the host attention register clear the
1409 * host status register.
1411 if ((!phba
->work_hs
) && (!(phba
->pport
->load_flag
& FC_UNLOADING
)))
1412 phba
->work_hs
= old_host_status
& ~HS_FFER1
;
1414 spin_lock_irq(&phba
->hbalock
);
1415 phba
->hba_flag
&= ~DEFER_ERATT
;
1416 spin_unlock_irq(&phba
->hbalock
);
1417 phba
->work_status
[0] = readl(phba
->MBslimaddr
+ 0xa8);
1418 phba
->work_status
[1] = readl(phba
->MBslimaddr
+ 0xac);
1422 lpfc_board_errevt_to_mgmt(struct lpfc_hba
*phba
)
1424 struct lpfc_board_event_header board_event
;
1425 struct Scsi_Host
*shost
;
1427 board_event
.event_type
= FC_REG_BOARD_EVENT
;
1428 board_event
.subcategory
= LPFC_EVENT_PORTINTERR
;
1429 shost
= lpfc_shost_from_vport(phba
->pport
);
1430 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1431 sizeof(board_event
),
1432 (char *) &board_event
,
1437 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
1438 * @phba: pointer to lpfc hba data structure.
1440 * This routine is invoked to handle the following HBA hardware error
1442 * 1 - HBA error attention interrupt
1443 * 2 - DMA ring index out of range
1444 * 3 - Mailbox command came back as unknown
1447 lpfc_handle_eratt_s3(struct lpfc_hba
*phba
)
1449 struct lpfc_vport
*vport
= phba
->pport
;
1450 struct lpfc_sli
*psli
= &phba
->sli
;
1451 uint32_t event_data
;
1452 unsigned long temperature
;
1453 struct temp_event temp_event_data
;
1454 struct Scsi_Host
*shost
;
1456 /* If the pci channel is offline, ignore possible errors,
1457 * since we cannot communicate with the pci card anyway.
1459 if (pci_channel_offline(phba
->pcidev
)) {
1460 spin_lock_irq(&phba
->hbalock
);
1461 phba
->hba_flag
&= ~DEFER_ERATT
;
1462 spin_unlock_irq(&phba
->hbalock
);
1466 /* If resets are disabled then leave the HBA alone and return */
1467 if (!phba
->cfg_enable_hba_reset
)
1470 /* Send an internal error event to mgmt application */
1471 lpfc_board_errevt_to_mgmt(phba
);
1473 if (phba
->hba_flag
& DEFER_ERATT
)
1474 lpfc_handle_deferred_eratt(phba
);
1476 if ((phba
->work_hs
& HS_FFER6
) || (phba
->work_hs
& HS_FFER8
)) {
1477 if (phba
->work_hs
& HS_FFER6
)
1478 /* Re-establishing Link */
1479 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1480 "1301 Re-establishing Link "
1481 "Data: x%x x%x x%x\n",
1482 phba
->work_hs
, phba
->work_status
[0],
1483 phba
->work_status
[1]);
1484 if (phba
->work_hs
& HS_FFER8
)
1485 /* Device Zeroization */
1486 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1487 "2861 Host Authentication device "
1488 "zeroization Data:x%x x%x x%x\n",
1489 phba
->work_hs
, phba
->work_status
[0],
1490 phba
->work_status
[1]);
1492 spin_lock_irq(&phba
->hbalock
);
1493 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1494 spin_unlock_irq(&phba
->hbalock
);
1497 * Firmware stops when it triggled erratt with HS_FFER6.
1498 * That could cause the I/Os dropped by the firmware.
1499 * Error iocb (I/O) on txcmplq and let the SCSI layer
1500 * retry it after re-establishing link.
1502 lpfc_sli_abort_fcp_rings(phba
);
1505 * There was a firmware error. Take the hba offline and then
1506 * attempt to restart it.
1508 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
1510 lpfc_sli_brdrestart(phba
);
1511 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
1512 lpfc_unblock_mgmt_io(phba
);
1515 lpfc_unblock_mgmt_io(phba
);
1516 } else if (phba
->work_hs
& HS_CRIT_TEMP
) {
1517 temperature
= readl(phba
->MBslimaddr
+ TEMPERATURE_OFFSET
);
1518 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1519 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1520 temp_event_data
.data
= (uint32_t)temperature
;
1522 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1523 "0406 Adapter maximum temperature exceeded "
1524 "(%ld), taking this port offline "
1525 "Data: x%x x%x x%x\n",
1526 temperature
, phba
->work_hs
,
1527 phba
->work_status
[0], phba
->work_status
[1]);
1529 shost
= lpfc_shost_from_vport(phba
->pport
);
1530 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1531 sizeof(temp_event_data
),
1532 (char *) &temp_event_data
,
1533 SCSI_NL_VID_TYPE_PCI
1534 | PCI_VENDOR_ID_EMULEX
);
1536 spin_lock_irq(&phba
->hbalock
);
1537 phba
->over_temp_state
= HBA_OVER_TEMP
;
1538 spin_unlock_irq(&phba
->hbalock
);
1539 lpfc_offline_eratt(phba
);
1542 /* The if clause above forces this code path when the status
1543 * failure is a value other than FFER6. Do not call the offline
1544 * twice. This is the adapter hardware error path.
1546 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1547 "0457 Adapter Hardware Error "
1548 "Data: x%x x%x x%x\n",
1550 phba
->work_status
[0], phba
->work_status
[1]);
1552 event_data
= FC_REG_DUMP_EVENT
;
1553 shost
= lpfc_shost_from_vport(vport
);
1554 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1555 sizeof(event_data
), (char *) &event_data
,
1556 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1558 lpfc_offline_eratt(phba
);
1564 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
1565 * @phba: pointer to lpfc hba data structure.
1566 * @mbx_action: flag for mailbox shutdown action.
1568 * This routine is invoked to perform an SLI4 port PCI function reset in
1569 * response to port status register polling attention. It waits for port
1570 * status register (ERR, RDY, RN) bits before proceeding with function reset.
1571 * During this process, interrupt vectors are freed and later requested
1572 * for handling possible port resource change.
1575 lpfc_sli4_port_sta_fn_reset(struct lpfc_hba
*phba
, int mbx_action
,
1582 * On error status condition, driver need to wait for port
1583 * ready before performing reset.
1585 rc
= lpfc_sli4_pdev_status_reg_wait(phba
);
1587 /* need reset: attempt for port recovery */
1589 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1590 "2887 Reset Needed: Attempting Port "
1592 lpfc_offline_prep(phba
, mbx_action
);
1594 /* release interrupt for possible resource change */
1595 lpfc_sli4_disable_intr(phba
);
1596 lpfc_sli_brdrestart(phba
);
1597 /* request and enable interrupt */
1598 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
1599 if (intr_mode
== LPFC_INTR_ERROR
) {
1600 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1601 "3175 Failed to enable interrupt\n");
1604 phba
->intr_mode
= intr_mode
;
1606 rc
= lpfc_online(phba
);
1608 lpfc_unblock_mgmt_io(phba
);
1614 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1615 * @phba: pointer to lpfc hba data structure.
1617 * This routine is invoked to handle the SLI4 HBA hardware error attention
1621 lpfc_handle_eratt_s4(struct lpfc_hba
*phba
)
1623 struct lpfc_vport
*vport
= phba
->pport
;
1624 uint32_t event_data
;
1625 struct Scsi_Host
*shost
;
1627 struct lpfc_register portstat_reg
= {0};
1628 uint32_t reg_err1
, reg_err2
;
1629 uint32_t uerrlo_reg
, uemasklo_reg
;
1630 uint32_t pci_rd_rc1
, pci_rd_rc2
;
1631 bool en_rn_msg
= true;
1634 /* If the pci channel is offline, ignore possible errors, since
1635 * we cannot communicate with the pci card anyway.
1637 if (pci_channel_offline(phba
->pcidev
))
1639 /* If resets are disabled then leave the HBA alone and return */
1640 if (!phba
->cfg_enable_hba_reset
)
1643 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
1645 case LPFC_SLI_INTF_IF_TYPE_0
:
1646 pci_rd_rc1
= lpfc_readl(
1647 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
,
1649 pci_rd_rc2
= lpfc_readl(
1650 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
,
1652 /* consider PCI bus read error as pci_channel_offline */
1653 if (pci_rd_rc1
== -EIO
&& pci_rd_rc2
== -EIO
)
1655 lpfc_sli4_offline_eratt(phba
);
1657 case LPFC_SLI_INTF_IF_TYPE_2
:
1658 pci_rd_rc1
= lpfc_readl(
1659 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
1660 &portstat_reg
.word0
);
1661 /* consider PCI bus read error as pci_channel_offline */
1662 if (pci_rd_rc1
== -EIO
) {
1663 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1664 "3151 PCI bus read access failure: x%x\n",
1665 readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
));
1668 reg_err1
= readl(phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
1669 reg_err2
= readl(phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
1670 if (bf_get(lpfc_sliport_status_oti
, &portstat_reg
)) {
1671 /* TODO: Register for Overtemp async events. */
1672 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1673 "2889 Port Overtemperature event, "
1674 "taking port offline\n");
1675 spin_lock_irq(&phba
->hbalock
);
1676 phba
->over_temp_state
= HBA_OVER_TEMP
;
1677 spin_unlock_irq(&phba
->hbalock
);
1678 lpfc_sli4_offline_eratt(phba
);
1681 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1682 reg_err2
== SLIPORT_ERR2_REG_FW_RESTART
) {
1683 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1684 "3143 Port Down: Firmware Update "
1687 } else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1688 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1689 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1690 "3144 Port Down: Debug Dump\n");
1691 else if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1692 reg_err2
== SLIPORT_ERR2_REG_FUNC_PROVISON
)
1693 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1694 "3145 Port Down: Provisioning\n");
1696 /* Check port status register for function reset */
1697 rc
= lpfc_sli4_port_sta_fn_reset(phba
, LPFC_MBX_NO_WAIT
,
1700 /* don't report event on forced debug dump */
1701 if (reg_err1
== SLIPORT_ERR1_REG_ERR_CODE_2
&&
1702 reg_err2
== SLIPORT_ERR2_REG_FORCED_DUMP
)
1707 /* fall through for not able to recover */
1708 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1709 "3152 Unrecoverable error, bring the port "
1711 lpfc_sli4_offline_eratt(phba
);
1713 case LPFC_SLI_INTF_IF_TYPE_1
:
1717 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1718 "3123 Report dump event to upper layer\n");
1719 /* Send an internal error event to mgmt application */
1720 lpfc_board_errevt_to_mgmt(phba
);
1722 event_data
= FC_REG_DUMP_EVENT
;
1723 shost
= lpfc_shost_from_vport(vport
);
1724 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1725 sizeof(event_data
), (char *) &event_data
,
1726 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1730 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1731 * @phba: pointer to lpfc HBA data structure.
1733 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1734 * routine from the API jump table function pointer from the lpfc_hba struct.
1738 * Any other value - error.
1741 lpfc_handle_eratt(struct lpfc_hba
*phba
)
1743 (*phba
->lpfc_handle_eratt
)(phba
);
1747 * lpfc_handle_latt - The HBA link event handler
1748 * @phba: pointer to lpfc hba data structure.
1750 * This routine is invoked from the worker thread to handle a HBA host
1751 * attention link event.
1754 lpfc_handle_latt(struct lpfc_hba
*phba
)
1756 struct lpfc_vport
*vport
= phba
->pport
;
1757 struct lpfc_sli
*psli
= &phba
->sli
;
1759 volatile uint32_t control
;
1760 struct lpfc_dmabuf
*mp
;
1763 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1766 goto lpfc_handle_latt_err_exit
;
1769 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
1772 goto lpfc_handle_latt_free_pmb
;
1775 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
1778 goto lpfc_handle_latt_free_mp
;
1781 /* Cleanup any outstanding ELS commands */
1782 lpfc_els_flush_all_cmd(phba
);
1784 psli
->slistat
.link_event
++;
1785 lpfc_read_topology(phba
, pmb
, mp
);
1786 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
1788 /* Block ELS IOCBs until we have processed this mbox command */
1789 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
1790 rc
= lpfc_sli_issue_mbox (phba
, pmb
, MBX_NOWAIT
);
1791 if (rc
== MBX_NOT_FINISHED
) {
1793 goto lpfc_handle_latt_free_mbuf
;
1796 /* Clear Link Attention in HA REG */
1797 spin_lock_irq(&phba
->hbalock
);
1798 writel(HA_LATT
, phba
->HAregaddr
);
1799 readl(phba
->HAregaddr
); /* flush */
1800 spin_unlock_irq(&phba
->hbalock
);
1804 lpfc_handle_latt_free_mbuf
:
1805 phba
->sli
.ring
[LPFC_ELS_RING
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
1806 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1807 lpfc_handle_latt_free_mp
:
1809 lpfc_handle_latt_free_pmb
:
1810 mempool_free(pmb
, phba
->mbox_mem_pool
);
1811 lpfc_handle_latt_err_exit
:
1812 /* Enable Link attention interrupts */
1813 spin_lock_irq(&phba
->hbalock
);
1814 psli
->sli_flag
|= LPFC_PROCESS_LA
;
1815 control
= readl(phba
->HCregaddr
);
1816 control
|= HC_LAINT_ENA
;
1817 writel(control
, phba
->HCregaddr
);
1818 readl(phba
->HCregaddr
); /* flush */
1820 /* Clear Link Attention in HA REG */
1821 writel(HA_LATT
, phba
->HAregaddr
);
1822 readl(phba
->HAregaddr
); /* flush */
1823 spin_unlock_irq(&phba
->hbalock
);
1824 lpfc_linkdown(phba
);
1825 phba
->link_state
= LPFC_HBA_ERROR
;
1827 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1828 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc
);
1834 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
1835 * @phba: pointer to lpfc hba data structure.
1836 * @vpd: pointer to the vital product data.
1837 * @len: length of the vital product data in bytes.
1839 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1840 * an array of characters. In this routine, the ModelName, ProgramType, and
1841 * ModelDesc, etc. fields of the phba data structure will be populated.
1844 * 0 - pointer to the VPD passed in is NULL
1848 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
1850 uint8_t lenlo
, lenhi
;
1860 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1861 "0455 Vital Product Data: x%x x%x x%x x%x\n",
1862 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
1864 while (!finished
&& (index
< (len
- 4))) {
1865 switch (vpd
[index
]) {
1873 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1882 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1883 if (Length
> len
- index
)
1884 Length
= len
- index
;
1885 while (Length
> 0) {
1886 /* Look for Serial Number */
1887 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
1894 phba
->SerialNumber
[j
++] = vpd
[index
++];
1898 phba
->SerialNumber
[j
] = 0;
1901 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
1902 phba
->vpd_flag
|= VPD_MODEL_DESC
;
1909 phba
->ModelDesc
[j
++] = vpd
[index
++];
1913 phba
->ModelDesc
[j
] = 0;
1916 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
1917 phba
->vpd_flag
|= VPD_MODEL_NAME
;
1924 phba
->ModelName
[j
++] = vpd
[index
++];
1928 phba
->ModelName
[j
] = 0;
1931 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
1932 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
1939 phba
->ProgramType
[j
++] = vpd
[index
++];
1943 phba
->ProgramType
[j
] = 0;
1946 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
1947 phba
->vpd_flag
|= VPD_PORT
;
1954 if ((phba
->sli_rev
== LPFC_SLI_REV4
) &&
1955 (phba
->sli4_hba
.pport_name_sta
==
1956 LPFC_SLI4_PPNAME_GET
)) {
1960 phba
->Port
[j
++] = vpd
[index
++];
1964 if ((phba
->sli_rev
!= LPFC_SLI_REV4
) ||
1965 (phba
->sli4_hba
.pport_name_sta
==
1966 LPFC_SLI4_PPNAME_NON
))
1993 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
1994 * @phba: pointer to lpfc hba data structure.
1995 * @mdp: pointer to the data structure to hold the derived model name.
1996 * @descp: pointer to the data structure to hold the derived description.
1998 * This routine retrieves HBA's description based on its registered PCI device
1999 * ID. The @descp passed into this function points to an array of 256 chars. It
2000 * shall be returned with the model name, maximum speed, and the host bus type.
2001 * The @mdp passed into this function points to an array of 80 chars. When the
2002 * function returns, the @mdp will be filled with the model name.
2005 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
2008 uint16_t dev_id
= phba
->pcidev
->device
;
2011 int oneConnect
= 0; /* default is not a oneConnect */
2016 } m
= {"<Unknown>", "", ""};
2018 if (mdp
&& mdp
[0] != '\0'
2019 && descp
&& descp
[0] != '\0')
2022 if (phba
->lmt
& LMT_16Gb
)
2024 else if (phba
->lmt
& LMT_10Gb
)
2026 else if (phba
->lmt
& LMT_8Gb
)
2028 else if (phba
->lmt
& LMT_4Gb
)
2030 else if (phba
->lmt
& LMT_2Gb
)
2032 else if (phba
->lmt
& LMT_1Gb
)
2040 case PCI_DEVICE_ID_FIREFLY
:
2041 m
= (typeof(m
)){"LP6000", "PCI",
2042 "Obsolete, Unsupported Fibre Channel Adapter"};
2044 case PCI_DEVICE_ID_SUPERFLY
:
2045 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
2046 m
= (typeof(m
)){"LP7000", "PCI", ""};
2048 m
= (typeof(m
)){"LP7000E", "PCI", ""};
2049 m
.function
= "Obsolete, Unsupported Fibre Channel Adapter";
2051 case PCI_DEVICE_ID_DRAGONFLY
:
2052 m
= (typeof(m
)){"LP8000", "PCI",
2053 "Obsolete, Unsupported Fibre Channel Adapter"};
2055 case PCI_DEVICE_ID_CENTAUR
:
2056 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
2057 m
= (typeof(m
)){"LP9002", "PCI", ""};
2059 m
= (typeof(m
)){"LP9000", "PCI", ""};
2060 m
.function
= "Obsolete, Unsupported Fibre Channel Adapter";
2062 case PCI_DEVICE_ID_RFLY
:
2063 m
= (typeof(m
)){"LP952", "PCI",
2064 "Obsolete, Unsupported Fibre Channel Adapter"};
2066 case PCI_DEVICE_ID_PEGASUS
:
2067 m
= (typeof(m
)){"LP9802", "PCI-X",
2068 "Obsolete, Unsupported Fibre Channel Adapter"};
2070 case PCI_DEVICE_ID_THOR
:
2071 m
= (typeof(m
)){"LP10000", "PCI-X",
2072 "Obsolete, Unsupported Fibre Channel Adapter"};
2074 case PCI_DEVICE_ID_VIPER
:
2075 m
= (typeof(m
)){"LPX1000", "PCI-X",
2076 "Obsolete, Unsupported Fibre Channel Adapter"};
2078 case PCI_DEVICE_ID_PFLY
:
2079 m
= (typeof(m
)){"LP982", "PCI-X",
2080 "Obsolete, Unsupported Fibre Channel Adapter"};
2082 case PCI_DEVICE_ID_TFLY
:
2083 m
= (typeof(m
)){"LP1050", "PCI-X",
2084 "Obsolete, Unsupported Fibre Channel Adapter"};
2086 case PCI_DEVICE_ID_HELIOS
:
2087 m
= (typeof(m
)){"LP11000", "PCI-X2",
2088 "Obsolete, Unsupported Fibre Channel Adapter"};
2090 case PCI_DEVICE_ID_HELIOS_SCSP
:
2091 m
= (typeof(m
)){"LP11000-SP", "PCI-X2",
2092 "Obsolete, Unsupported Fibre Channel Adapter"};
2094 case PCI_DEVICE_ID_HELIOS_DCSP
:
2095 m
= (typeof(m
)){"LP11002-SP", "PCI-X2",
2096 "Obsolete, Unsupported Fibre Channel Adapter"};
2098 case PCI_DEVICE_ID_NEPTUNE
:
2099 m
= (typeof(m
)){"LPe1000", "PCIe",
2100 "Obsolete, Unsupported Fibre Channel Adapter"};
2102 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
2103 m
= (typeof(m
)){"LPe1000-SP", "PCIe",
2104 "Obsolete, Unsupported Fibre Channel Adapter"};
2106 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
2107 m
= (typeof(m
)){"LPe1002-SP", "PCIe",
2108 "Obsolete, Unsupported Fibre Channel Adapter"};
2110 case PCI_DEVICE_ID_BMID
:
2111 m
= (typeof(m
)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
2113 case PCI_DEVICE_ID_BSMB
:
2114 m
= (typeof(m
)){"LP111", "PCI-X2",
2115 "Obsolete, Unsupported Fibre Channel Adapter"};
2117 case PCI_DEVICE_ID_ZEPHYR
:
2118 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
2120 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
2121 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
2123 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
2124 m
= (typeof(m
)){"LP2105", "PCIe", "FCoE Adapter"};
2127 case PCI_DEVICE_ID_ZMID
:
2128 m
= (typeof(m
)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
2130 case PCI_DEVICE_ID_ZSMB
:
2131 m
= (typeof(m
)){"LPe111", "PCIe", "Fibre Channel Adapter"};
2133 case PCI_DEVICE_ID_LP101
:
2134 m
= (typeof(m
)){"LP101", "PCI-X",
2135 "Obsolete, Unsupported Fibre Channel Adapter"};
2137 case PCI_DEVICE_ID_LP10000S
:
2138 m
= (typeof(m
)){"LP10000-S", "PCI",
2139 "Obsolete, Unsupported Fibre Channel Adapter"};
2141 case PCI_DEVICE_ID_LP11000S
:
2142 m
= (typeof(m
)){"LP11000-S", "PCI-X2",
2143 "Obsolete, Unsupported Fibre Channel Adapter"};
2145 case PCI_DEVICE_ID_LPE11000S
:
2146 m
= (typeof(m
)){"LPe11000-S", "PCIe",
2147 "Obsolete, Unsupported Fibre Channel Adapter"};
2149 case PCI_DEVICE_ID_SAT
:
2150 m
= (typeof(m
)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
2152 case PCI_DEVICE_ID_SAT_MID
:
2153 m
= (typeof(m
)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
2155 case PCI_DEVICE_ID_SAT_SMB
:
2156 m
= (typeof(m
)){"LPe121", "PCIe", "Fibre Channel Adapter"};
2158 case PCI_DEVICE_ID_SAT_DCSP
:
2159 m
= (typeof(m
)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
2161 case PCI_DEVICE_ID_SAT_SCSP
:
2162 m
= (typeof(m
)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
2164 case PCI_DEVICE_ID_SAT_S
:
2165 m
= (typeof(m
)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
2167 case PCI_DEVICE_ID_HORNET
:
2168 m
= (typeof(m
)){"LP21000", "PCIe",
2169 "Obsolete, Unsupported FCoE Adapter"};
2172 case PCI_DEVICE_ID_PROTEUS_VF
:
2173 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2174 "Obsolete, Unsupported Fibre Channel Adapter"};
2176 case PCI_DEVICE_ID_PROTEUS_PF
:
2177 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
2178 "Obsolete, Unsupported Fibre Channel Adapter"};
2180 case PCI_DEVICE_ID_PROTEUS_S
:
2181 m
= (typeof(m
)){"LPemv12002-S", "PCIe IOV",
2182 "Obsolete, Unsupported Fibre Channel Adapter"};
2184 case PCI_DEVICE_ID_TIGERSHARK
:
2186 m
= (typeof(m
)){"OCe10100", "PCIe", "FCoE"};
2188 case PCI_DEVICE_ID_TOMCAT
:
2190 m
= (typeof(m
)){"OCe11100", "PCIe", "FCoE"};
2192 case PCI_DEVICE_ID_FALCON
:
2193 m
= (typeof(m
)){"LPSe12002-ML1-E", "PCIe",
2194 "EmulexSecure Fibre"};
2196 case PCI_DEVICE_ID_BALIUS
:
2197 m
= (typeof(m
)){"LPVe12002", "PCIe Shared I/O",
2198 "Obsolete, Unsupported Fibre Channel Adapter"};
2200 case PCI_DEVICE_ID_LANCER_FC
:
2201 m
= (typeof(m
)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
2203 case PCI_DEVICE_ID_LANCER_FC_VF
:
2204 m
= (typeof(m
)){"LPe16000", "PCIe",
2205 "Obsolete, Unsupported Fibre Channel Adapter"};
2207 case PCI_DEVICE_ID_LANCER_FCOE
:
2209 m
= (typeof(m
)){"OCe15100", "PCIe", "FCoE"};
2211 case PCI_DEVICE_ID_LANCER_FCOE_VF
:
2213 m
= (typeof(m
)){"OCe15100", "PCIe",
2214 "Obsolete, Unsupported FCoE"};
2216 case PCI_DEVICE_ID_SKYHAWK
:
2217 case PCI_DEVICE_ID_SKYHAWK_VF
:
2219 m
= (typeof(m
)){"OCe14000", "PCIe", "FCoE"};
2222 m
= (typeof(m
)){"Unknown", "", ""};
2226 if (mdp
&& mdp
[0] == '\0')
2227 snprintf(mdp
, 79,"%s", m
.name
);
2229 * oneConnect hba requires special processing, they are all initiators
2230 * and we put the port number on the end
2232 if (descp
&& descp
[0] == '\0') {
2234 snprintf(descp
, 255,
2235 "Emulex OneConnect %s, %s Initiator %s",
2238 else if (max_speed
== 0)
2239 snprintf(descp
, 255,
2241 m
.name
, m
.bus
, m
.function
);
2243 snprintf(descp
, 255,
2244 "Emulex %s %d%s %s %s",
2245 m
.name
, max_speed
, (GE
) ? "GE" : "Gb",
2251 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
2252 * @phba: pointer to lpfc hba data structure.
2253 * @pring: pointer to a IOCB ring.
2254 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2256 * This routine posts a given number of IOCBs with the associated DMA buffer
2257 * descriptors specified by the cnt argument to the given IOCB ring.
2260 * The number of IOCBs NOT able to be posted to the IOCB ring.
2263 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
)
2266 struct lpfc_iocbq
*iocb
;
2267 struct lpfc_dmabuf
*mp1
, *mp2
;
2269 cnt
+= pring
->missbufcnt
;
2271 /* While there are buffers to post */
2273 /* Allocate buffer for command iocb */
2274 iocb
= lpfc_sli_get_iocbq(phba
);
2276 pring
->missbufcnt
= cnt
;
2281 /* 2 buffers can be posted per command */
2282 /* Allocate buffer to post */
2283 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2285 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
2286 if (!mp1
|| !mp1
->virt
) {
2288 lpfc_sli_release_iocbq(phba
, iocb
);
2289 pring
->missbufcnt
= cnt
;
2293 INIT_LIST_HEAD(&mp1
->list
);
2294 /* Allocate buffer to post */
2296 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2298 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
2300 if (!mp2
|| !mp2
->virt
) {
2302 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2304 lpfc_sli_release_iocbq(phba
, iocb
);
2305 pring
->missbufcnt
= cnt
;
2309 INIT_LIST_HEAD(&mp2
->list
);
2314 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
2315 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
2316 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
2317 icmd
->ulpBdeCount
= 1;
2320 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
2321 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
2322 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
2324 icmd
->ulpBdeCount
= 2;
2327 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
2330 if (lpfc_sli_issue_iocb(phba
, pring
->ringno
, iocb
, 0) ==
2332 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2336 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
2340 lpfc_sli_release_iocbq(phba
, iocb
);
2341 pring
->missbufcnt
= cnt
;
2344 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
2346 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
2348 pring
->missbufcnt
= 0;
2353 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
2354 * @phba: pointer to lpfc hba data structure.
2356 * This routine posts initial receive IOCB buffers to the ELS ring. The
2357 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2361 * 0 - success (currently always success)
2364 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
2366 struct lpfc_sli
*psli
= &phba
->sli
;
2368 /* Ring 0, ELS / CT buffers */
2369 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
);
2370 /* Ring 2 - FCP no buffers needed */
2375 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2378 * lpfc_sha_init - Set up initial array of hash table entries
2379 * @HashResultPointer: pointer to an array as hash table.
2381 * This routine sets up the initial values to the array of hash table entries
2385 lpfc_sha_init(uint32_t * HashResultPointer
)
2387 HashResultPointer
[0] = 0x67452301;
2388 HashResultPointer
[1] = 0xEFCDAB89;
2389 HashResultPointer
[2] = 0x98BADCFE;
2390 HashResultPointer
[3] = 0x10325476;
2391 HashResultPointer
[4] = 0xC3D2E1F0;
2395 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
2396 * @HashResultPointer: pointer to an initial/result hash table.
2397 * @HashWorkingPointer: pointer to an working hash table.
2399 * This routine iterates an initial hash table pointed by @HashResultPointer
2400 * with the values from the working hash table pointeed by @HashWorkingPointer.
2401 * The results are putting back to the initial hash table, returned through
2402 * the @HashResultPointer as the result hash table.
2405 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
2409 uint32_t A
, B
, C
, D
, E
;
2412 HashWorkingPointer
[t
] =
2414 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
2416 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
2417 } while (++t
<= 79);
2419 A
= HashResultPointer
[0];
2420 B
= HashResultPointer
[1];
2421 C
= HashResultPointer
[2];
2422 D
= HashResultPointer
[3];
2423 E
= HashResultPointer
[4];
2427 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
2428 } else if (t
< 40) {
2429 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
2430 } else if (t
< 60) {
2431 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
2433 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
2435 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
2441 } while (++t
<= 79);
2443 HashResultPointer
[0] += A
;
2444 HashResultPointer
[1] += B
;
2445 HashResultPointer
[2] += C
;
2446 HashResultPointer
[3] += D
;
2447 HashResultPointer
[4] += E
;
2452 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
2453 * @RandomChallenge: pointer to the entry of host challenge random number array.
2454 * @HashWorking: pointer to the entry of the working hash array.
2456 * This routine calculates the working hash array referred by @HashWorking
2457 * from the challenge random numbers associated with the host, referred by
2458 * @RandomChallenge. The result is put into the entry of the working hash
2459 * array and returned by reference through @HashWorking.
2462 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
2464 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
2468 * lpfc_hba_init - Perform special handling for LC HBA initialization
2469 * @phba: pointer to lpfc hba data structure.
2470 * @hbainit: pointer to an array of unsigned 32-bit integers.
2472 * This routine performs the special handling for LC HBA initialization.
2475 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
2478 uint32_t *HashWorking
;
2479 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
2481 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
2485 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
2486 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
2488 for (t
= 0; t
< 7; t
++)
2489 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
2491 lpfc_sha_init(hbainit
);
2492 lpfc_sha_iterate(hbainit
, HashWorking
);
2497 * lpfc_cleanup - Performs vport cleanups before deleting a vport
2498 * @vport: pointer to a virtual N_Port data structure.
2500 * This routine performs the necessary cleanups before deleting the @vport.
2501 * It invokes the discovery state machine to perform necessary state
2502 * transitions and to release the ndlps associated with the @vport. Note,
2503 * the physical port is treated as @vport 0.
2506 lpfc_cleanup(struct lpfc_vport
*vport
)
2508 struct lpfc_hba
*phba
= vport
->phba
;
2509 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2512 if (phba
->link_state
> LPFC_LINK_DOWN
)
2513 lpfc_port_link_failure(vport
);
2515 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
2516 if (!NLP_CHK_NODE_ACT(ndlp
)) {
2517 ndlp
= lpfc_enable_node(vport
, ndlp
,
2518 NLP_STE_UNUSED_NODE
);
2521 spin_lock_irq(&phba
->ndlp_lock
);
2522 NLP_SET_FREE_REQ(ndlp
);
2523 spin_unlock_irq(&phba
->ndlp_lock
);
2524 /* Trigger the release of the ndlp memory */
2528 spin_lock_irq(&phba
->ndlp_lock
);
2529 if (NLP_CHK_FREE_REQ(ndlp
)) {
2530 /* The ndlp should not be in memory free mode already */
2531 spin_unlock_irq(&phba
->ndlp_lock
);
2534 /* Indicate request for freeing ndlp memory */
2535 NLP_SET_FREE_REQ(ndlp
);
2536 spin_unlock_irq(&phba
->ndlp_lock
);
2538 if (vport
->port_type
!= LPFC_PHYSICAL_PORT
&&
2539 ndlp
->nlp_DID
== Fabric_DID
) {
2540 /* Just free up ndlp with Fabric_DID for vports */
2545 /* take care of nodes in unused state before the state
2546 * machine taking action.
2548 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
) {
2553 if (ndlp
->nlp_type
& NLP_FABRIC
)
2554 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2555 NLP_EVT_DEVICE_RECOVERY
);
2557 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2561 /* At this point, ALL ndlp's should be gone
2562 * because of the previous NLP_EVT_DEVICE_RM.
2563 * Lets wait for this to happen, if needed.
2565 while (!list_empty(&vport
->fc_nodes
)) {
2567 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
2568 "0233 Nodelist not empty\n");
2569 list_for_each_entry_safe(ndlp
, next_ndlp
,
2570 &vport
->fc_nodes
, nlp_listp
) {
2571 lpfc_printf_vlog(ndlp
->vport
, KERN_ERR
,
2573 "0282 did:x%x ndlp:x%p "
2574 "usgmap:x%x refcnt:%d\n",
2575 ndlp
->nlp_DID
, (void *)ndlp
,
2578 &ndlp
->kref
.refcount
));
2583 /* Wait for any activity on ndlps to settle */
2586 lpfc_cleanup_vports_rrqs(vport
, NULL
);
2590 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2591 * @vport: pointer to a virtual N_Port data structure.
2593 * This routine stops all the timers associated with a @vport. This function
2594 * is invoked before disabling or deleting a @vport. Note that the physical
2595 * port is treated as @vport 0.
2598 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
2600 del_timer_sync(&vport
->els_tmofunc
);
2601 del_timer_sync(&vport
->fc_fdmitmo
);
2602 del_timer_sync(&vport
->delayed_disc_tmo
);
2603 lpfc_can_disctmo(vport
);
2608 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2609 * @phba: pointer to lpfc hba data structure.
2611 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2612 * caller of this routine should already hold the host lock.
2615 __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2617 /* Clear pending FCF rediscovery wait flag */
2618 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
2620 /* Now, try to stop the timer */
2621 del_timer(&phba
->fcf
.redisc_wait
);
2625 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2626 * @phba: pointer to lpfc hba data structure.
2628 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2629 * checks whether the FCF rediscovery wait timer is pending with the host
2630 * lock held before proceeding with disabling the timer and clearing the
2631 * wait timer pendig flag.
2634 lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2636 spin_lock_irq(&phba
->hbalock
);
2637 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
2638 /* FCF rediscovery timer already fired or stopped */
2639 spin_unlock_irq(&phba
->hbalock
);
2642 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2643 /* Clear failover in progress flags */
2644 phba
->fcf
.fcf_flag
&= ~(FCF_DEAD_DISC
| FCF_ACVL_DISC
);
2645 spin_unlock_irq(&phba
->hbalock
);
2649 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2650 * @phba: pointer to lpfc hba data structure.
2652 * This routine stops all the timers associated with a HBA. This function is
2653 * invoked before either putting a HBA offline or unloading the driver.
2656 lpfc_stop_hba_timers(struct lpfc_hba
*phba
)
2658 lpfc_stop_vport_timers(phba
->pport
);
2659 del_timer_sync(&phba
->sli
.mbox_tmo
);
2660 del_timer_sync(&phba
->fabric_block_timer
);
2661 del_timer_sync(&phba
->eratt_poll
);
2662 del_timer_sync(&phba
->hb_tmofunc
);
2663 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2664 del_timer_sync(&phba
->rrq_tmr
);
2665 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
2667 phba
->hb_outstanding
= 0;
2669 switch (phba
->pci_dev_grp
) {
2670 case LPFC_PCI_DEV_LP
:
2671 /* Stop any LightPulse device specific driver timers */
2672 del_timer_sync(&phba
->fcp_poll_timer
);
2674 case LPFC_PCI_DEV_OC
:
2675 /* Stop any OneConnect device sepcific driver timers */
2676 lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2679 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2680 "0297 Invalid device group (x%x)\n",
2688 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2689 * @phba: pointer to lpfc hba data structure.
2691 * This routine marks a HBA's management interface as blocked. Once the HBA's
2692 * management interface is marked as blocked, all the user space access to
2693 * the HBA, whether they are from sysfs interface or libdfc interface will
2694 * all be blocked. The HBA is set to block the management interface when the
2695 * driver prepares the HBA interface for online or offline.
2698 lpfc_block_mgmt_io(struct lpfc_hba
*phba
, int mbx_action
)
2700 unsigned long iflag
;
2701 uint8_t actcmd
= MBX_HEARTBEAT
;
2702 unsigned long timeout
;
2704 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2705 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
2706 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2707 if (mbx_action
== LPFC_MBX_NO_WAIT
)
2709 timeout
= msecs_to_jiffies(LPFC_MBOX_TMO
* 1000) + jiffies
;
2710 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2711 if (phba
->sli
.mbox_active
) {
2712 actcmd
= phba
->sli
.mbox_active
->u
.mb
.mbxCommand
;
2713 /* Determine how long we might wait for the active mailbox
2714 * command to be gracefully completed by firmware.
2716 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
,
2717 phba
->sli
.mbox_active
) * 1000) + jiffies
;
2719 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2721 /* Wait for the outstnading mailbox command to complete */
2722 while (phba
->sli
.mbox_active
) {
2723 /* Check active mailbox complete status every 2ms */
2725 if (time_after(jiffies
, timeout
)) {
2726 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2727 "2813 Mgmt IO is Blocked %x "
2728 "- mbox cmd %x still active\n",
2729 phba
->sli
.sli_flag
, actcmd
);
2736 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
2737 * @phba: pointer to lpfc hba data structure.
2739 * Allocate RPIs for all active remote nodes. This is needed whenever
2740 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
2741 * is to fixup the temporary rpi assignments.
2744 lpfc_sli4_node_prep(struct lpfc_hba
*phba
)
2746 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2747 struct lpfc_vport
**vports
;
2750 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
2753 vports
= lpfc_create_vport_work_array(phba
);
2754 if (vports
!= NULL
) {
2755 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2756 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2759 list_for_each_entry_safe(ndlp
, next_ndlp
,
2760 &vports
[i
]->fc_nodes
,
2762 if (NLP_CHK_NODE_ACT(ndlp
))
2764 lpfc_sli4_alloc_rpi(phba
);
2768 lpfc_destroy_vport_work_array(phba
, vports
);
2772 * lpfc_online - Initialize and bring a HBA online
2773 * @phba: pointer to lpfc hba data structure.
2775 * This routine initializes the HBA and brings a HBA online. During this
2776 * process, the management interface is blocked to prevent user space access
2777 * to the HBA interfering with the driver initialization.
2784 lpfc_online(struct lpfc_hba
*phba
)
2786 struct lpfc_vport
*vport
;
2787 struct lpfc_vport
**vports
;
2789 bool vpis_cleared
= false;
2793 vport
= phba
->pport
;
2795 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
2798 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2799 "0458 Bring Adapter online\n");
2801 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
2803 if (!lpfc_sli_queue_setup(phba
)) {
2804 lpfc_unblock_mgmt_io(phba
);
2808 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2809 if (lpfc_sli4_hba_setup(phba
)) { /* Initialize SLI4 HBA */
2810 lpfc_unblock_mgmt_io(phba
);
2813 spin_lock_irq(&phba
->hbalock
);
2814 if (!phba
->sli4_hba
.max_cfg_param
.vpi_used
)
2815 vpis_cleared
= true;
2816 spin_unlock_irq(&phba
->hbalock
);
2818 if (lpfc_sli_hba_setup(phba
)) { /* Initialize SLI2/SLI3 HBA */
2819 lpfc_unblock_mgmt_io(phba
);
2824 vports
= lpfc_create_vport_work_array(phba
);
2826 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2827 struct Scsi_Host
*shost
;
2828 shost
= lpfc_shost_from_vport(vports
[i
]);
2829 spin_lock_irq(shost
->host_lock
);
2830 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
2831 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
2832 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2833 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2834 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
2835 if ((vpis_cleared
) &&
2836 (vports
[i
]->port_type
!=
2837 LPFC_PHYSICAL_PORT
))
2840 spin_unlock_irq(shost
->host_lock
);
2842 lpfc_destroy_vport_work_array(phba
, vports
);
2844 lpfc_unblock_mgmt_io(phba
);
2849 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
2850 * @phba: pointer to lpfc hba data structure.
2852 * This routine marks a HBA's management interface as not blocked. Once the
2853 * HBA's management interface is marked as not blocked, all the user space
2854 * access to the HBA, whether they are from sysfs interface or libdfc
2855 * interface will be allowed. The HBA is set to block the management interface
2856 * when the driver prepares the HBA interface for online or offline and then
2857 * set to unblock the management interface afterwards.
2860 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
2862 unsigned long iflag
;
2864 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2865 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
2866 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2870 * lpfc_offline_prep - Prepare a HBA to be brought offline
2871 * @phba: pointer to lpfc hba data structure.
2873 * This routine is invoked to prepare a HBA to be brought offline. It performs
2874 * unregistration login to all the nodes on all vports and flushes the mailbox
2875 * queue to make it ready to be brought offline.
2878 lpfc_offline_prep(struct lpfc_hba
*phba
, int mbx_action
)
2880 struct lpfc_vport
*vport
= phba
->pport
;
2881 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2882 struct lpfc_vport
**vports
;
2883 struct Scsi_Host
*shost
;
2886 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
2889 lpfc_block_mgmt_io(phba
, mbx_action
);
2891 lpfc_linkdown(phba
);
2893 /* Issue an unreg_login to all nodes on all vports */
2894 vports
= lpfc_create_vport_work_array(phba
);
2895 if (vports
!= NULL
) {
2896 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2897 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2899 shost
= lpfc_shost_from_vport(vports
[i
]);
2900 spin_lock_irq(shost
->host_lock
);
2901 vports
[i
]->vpi_state
&= ~LPFC_VPI_REGISTERED
;
2902 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2903 vports
[i
]->fc_flag
&= ~FC_VFI_REGISTERED
;
2904 spin_unlock_irq(shost
->host_lock
);
2906 shost
= lpfc_shost_from_vport(vports
[i
]);
2907 list_for_each_entry_safe(ndlp
, next_ndlp
,
2908 &vports
[i
]->fc_nodes
,
2910 if (!NLP_CHK_NODE_ACT(ndlp
))
2912 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
2914 if (ndlp
->nlp_type
& NLP_FABRIC
) {
2915 lpfc_disc_state_machine(vports
[i
], ndlp
,
2916 NULL
, NLP_EVT_DEVICE_RECOVERY
);
2917 lpfc_disc_state_machine(vports
[i
], ndlp
,
2918 NULL
, NLP_EVT_DEVICE_RM
);
2920 spin_lock_irq(shost
->host_lock
);
2921 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
2922 spin_unlock_irq(shost
->host_lock
);
2924 * Whenever an SLI4 port goes offline, free the
2925 * RPI. Get a new RPI when the adapter port
2926 * comes back online.
2928 if (phba
->sli_rev
== LPFC_SLI_REV4
)
2929 lpfc_sli4_free_rpi(phba
, ndlp
->nlp_rpi
);
2930 lpfc_unreg_rpi(vports
[i
], ndlp
);
2934 lpfc_destroy_vport_work_array(phba
, vports
);
2936 lpfc_sli_mbox_sys_shutdown(phba
, mbx_action
);
2940 * lpfc_offline - Bring a HBA offline
2941 * @phba: pointer to lpfc hba data structure.
2943 * This routine actually brings a HBA offline. It stops all the timers
2944 * associated with the HBA, brings down the SLI layer, and eventually
2945 * marks the HBA as in offline state for the upper layer protocol.
2948 lpfc_offline(struct lpfc_hba
*phba
)
2950 struct Scsi_Host
*shost
;
2951 struct lpfc_vport
**vports
;
2954 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
2957 /* stop port and all timers associated with this hba */
2958 lpfc_stop_port(phba
);
2959 vports
= lpfc_create_vport_work_array(phba
);
2961 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
2962 lpfc_stop_vport_timers(vports
[i
]);
2963 lpfc_destroy_vport_work_array(phba
, vports
);
2964 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2965 "0460 Bring Adapter offline\n");
2966 /* Bring down the SLI Layer and cleanup. The HBA is offline
2968 lpfc_sli_hba_down(phba
);
2969 spin_lock_irq(&phba
->hbalock
);
2971 spin_unlock_irq(&phba
->hbalock
);
2972 vports
= lpfc_create_vport_work_array(phba
);
2974 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2975 shost
= lpfc_shost_from_vport(vports
[i
]);
2976 spin_lock_irq(shost
->host_lock
);
2977 vports
[i
]->work_port_events
= 0;
2978 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
2979 spin_unlock_irq(shost
->host_lock
);
2981 lpfc_destroy_vport_work_array(phba
, vports
);
2985 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
2986 * @phba: pointer to lpfc hba data structure.
2988 * This routine is to free all the SCSI buffers and IOCBs from the driver
2989 * list back to kernel. It is called from lpfc_pci_remove_one to free
2990 * the internal resources before the device is removed from the system.
2993 lpfc_scsi_free(struct lpfc_hba
*phba
)
2995 struct lpfc_scsi_buf
*sb
, *sb_next
;
2996 struct lpfc_iocbq
*io
, *io_next
;
2998 spin_lock_irq(&phba
->hbalock
);
3000 /* Release all the lpfc_scsi_bufs maintained by this host. */
3002 spin_lock(&phba
->scsi_buf_list_put_lock
);
3003 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list_put
,
3005 list_del(&sb
->list
);
3006 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
3009 phba
->total_scsi_bufs
--;
3011 spin_unlock(&phba
->scsi_buf_list_put_lock
);
3013 spin_lock(&phba
->scsi_buf_list_get_lock
);
3014 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list_get
,
3016 list_del(&sb
->list
);
3017 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
3020 phba
->total_scsi_bufs
--;
3022 spin_unlock(&phba
->scsi_buf_list_get_lock
);
3024 /* Release all the lpfc_iocbq entries maintained by this host. */
3025 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
3026 list_del(&io
->list
);
3028 phba
->total_iocbq_bufs
--;
3031 spin_unlock_irq(&phba
->hbalock
);
3035 * lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping
3036 * @phba: pointer to lpfc hba data structure.
3038 * This routine first calculates the sizes of the current els and allocated
3039 * scsi sgl lists, and then goes through all sgls to updates the physical
3040 * XRIs assigned due to port function reset. During port initialization, the
3041 * current els and allocated scsi sgl lists are 0s.
3044 * 0 - successful (for now, it always returns 0)
3047 lpfc_sli4_xri_sgl_update(struct lpfc_hba
*phba
)
3049 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_entry_next
= NULL
;
3050 struct lpfc_scsi_buf
*psb
= NULL
, *psb_next
= NULL
;
3051 uint16_t i
, lxri
, xri_cnt
, els_xri_cnt
, scsi_xri_cnt
;
3052 LIST_HEAD(els_sgl_list
);
3053 LIST_HEAD(scsi_sgl_list
);
3055 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
3058 * update on pci function's els xri-sgl list
3060 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
3061 if (els_xri_cnt
> phba
->sli4_hba
.els_xri_cnt
) {
3062 /* els xri-sgl expanded */
3063 xri_cnt
= els_xri_cnt
- phba
->sli4_hba
.els_xri_cnt
;
3064 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3065 "3157 ELS xri-sgl count increased from "
3066 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
3068 /* allocate the additional els sgls */
3069 for (i
= 0; i
< xri_cnt
; i
++) {
3070 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
),
3072 if (sglq_entry
== NULL
) {
3073 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3074 "2562 Failure to allocate an "
3075 "ELS sgl entry:%d\n", i
);
3079 sglq_entry
->buff_type
= GEN_BUFF_TYPE
;
3080 sglq_entry
->virt
= lpfc_mbuf_alloc(phba
, 0,
3082 if (sglq_entry
->virt
== NULL
) {
3084 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3085 "2563 Failure to allocate an "
3086 "ELS mbuf:%d\n", i
);
3090 sglq_entry
->sgl
= sglq_entry
->virt
;
3091 memset(sglq_entry
->sgl
, 0, LPFC_BPL_SIZE
);
3092 sglq_entry
->state
= SGL_FREED
;
3093 list_add_tail(&sglq_entry
->list
, &els_sgl_list
);
3095 spin_lock_irq(&phba
->hbalock
);
3096 spin_lock(&pring
->ring_lock
);
3097 list_splice_init(&els_sgl_list
, &phba
->sli4_hba
.lpfc_sgl_list
);
3098 spin_unlock(&pring
->ring_lock
);
3099 spin_unlock_irq(&phba
->hbalock
);
3100 } else if (els_xri_cnt
< phba
->sli4_hba
.els_xri_cnt
) {
3101 /* els xri-sgl shrinked */
3102 xri_cnt
= phba
->sli4_hba
.els_xri_cnt
- els_xri_cnt
;
3103 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3104 "3158 ELS xri-sgl count decreased from "
3105 "%d to %d\n", phba
->sli4_hba
.els_xri_cnt
,
3107 spin_lock_irq(&phba
->hbalock
);
3108 spin_lock(&pring
->ring_lock
);
3109 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &els_sgl_list
);
3110 spin_unlock(&pring
->ring_lock
);
3111 spin_unlock_irq(&phba
->hbalock
);
3112 /* release extra els sgls from list */
3113 for (i
= 0; i
< xri_cnt
; i
++) {
3114 list_remove_head(&els_sgl_list
,
3115 sglq_entry
, struct lpfc_sglq
, list
);
3117 lpfc_mbuf_free(phba
, sglq_entry
->virt
,
3122 spin_lock_irq(&phba
->hbalock
);
3123 spin_lock(&pring
->ring_lock
);
3124 list_splice_init(&els_sgl_list
, &phba
->sli4_hba
.lpfc_sgl_list
);
3125 spin_unlock(&pring
->ring_lock
);
3126 spin_unlock_irq(&phba
->hbalock
);
3128 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3129 "3163 ELS xri-sgl count unchanged: %d\n",
3131 phba
->sli4_hba
.els_xri_cnt
= els_xri_cnt
;
3133 /* update xris to els sgls on the list */
3135 sglq_entry_next
= NULL
;
3136 list_for_each_entry_safe(sglq_entry
, sglq_entry_next
,
3137 &phba
->sli4_hba
.lpfc_sgl_list
, list
) {
3138 lxri
= lpfc_sli4_next_xritag(phba
);
3139 if (lxri
== NO_XRI
) {
3140 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3141 "2400 Failed to allocate xri for "
3146 sglq_entry
->sli4_lxritag
= lxri
;
3147 sglq_entry
->sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3151 * update on pci function's allocated scsi xri-sgl list
3153 phba
->total_scsi_bufs
= 0;
3155 /* maximum number of xris available for scsi buffers */
3156 phba
->sli4_hba
.scsi_xri_max
= phba
->sli4_hba
.max_cfg_param
.max_xri
-
3159 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3160 "2401 Current allocated SCSI xri-sgl count:%d, "
3161 "maximum SCSI xri count:%d\n",
3162 phba
->sli4_hba
.scsi_xri_cnt
,
3163 phba
->sli4_hba
.scsi_xri_max
);
3165 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3166 spin_lock(&phba
->scsi_buf_list_put_lock
);
3167 list_splice_init(&phba
->lpfc_scsi_buf_list_get
, &scsi_sgl_list
);
3168 list_splice(&phba
->lpfc_scsi_buf_list_put
, &scsi_sgl_list
);
3169 spin_unlock(&phba
->scsi_buf_list_put_lock
);
3170 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3172 if (phba
->sli4_hba
.scsi_xri_cnt
> phba
->sli4_hba
.scsi_xri_max
) {
3173 /* max scsi xri shrinked below the allocated scsi buffers */
3174 scsi_xri_cnt
= phba
->sli4_hba
.scsi_xri_cnt
-
3175 phba
->sli4_hba
.scsi_xri_max
;
3176 /* release the extra allocated scsi buffers */
3177 for (i
= 0; i
< scsi_xri_cnt
; i
++) {
3178 list_remove_head(&scsi_sgl_list
, psb
,
3179 struct lpfc_scsi_buf
, list
);
3180 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, psb
->data
,
3184 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3185 phba
->sli4_hba
.scsi_xri_cnt
-= scsi_xri_cnt
;
3186 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3189 /* update xris associated to remaining allocated scsi buffers */
3192 list_for_each_entry_safe(psb
, psb_next
, &scsi_sgl_list
, list
) {
3193 lxri
= lpfc_sli4_next_xritag(phba
);
3194 if (lxri
== NO_XRI
) {
3195 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3196 "2560 Failed to allocate xri for "
3201 psb
->cur_iocbq
.sli4_lxritag
= lxri
;
3202 psb
->cur_iocbq
.sli4_xritag
= phba
->sli4_hba
.xri_ids
[lxri
];
3204 spin_lock_irq(&phba
->scsi_buf_list_get_lock
);
3205 spin_lock(&phba
->scsi_buf_list_put_lock
);
3206 list_splice_init(&scsi_sgl_list
, &phba
->lpfc_scsi_buf_list_get
);
3207 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_put
);
3208 spin_unlock(&phba
->scsi_buf_list_put_lock
);
3209 spin_unlock_irq(&phba
->scsi_buf_list_get_lock
);
3214 lpfc_free_els_sgl_list(phba
);
3215 lpfc_scsi_free(phba
);
3220 * lpfc_create_port - Create an FC port
3221 * @phba: pointer to lpfc hba data structure.
3222 * @instance: a unique integer ID to this FC port.
3223 * @dev: pointer to the device data structure.
3225 * This routine creates a FC port for the upper layer protocol. The FC port
3226 * can be created on top of either a physical port or a virtual port provided
3227 * by the HBA. This routine also allocates a SCSI host data structure (shost)
3228 * and associates the FC port created before adding the shost into the SCSI
3232 * @vport - pointer to the virtual N_Port data structure.
3233 * NULL - port create failed.
3236 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
3238 struct lpfc_vport
*vport
;
3239 struct Scsi_Host
*shost
;
3242 if (dev
!= &phba
->pcidev
->dev
)
3243 shost
= scsi_host_alloc(&lpfc_vport_template
,
3244 sizeof(struct lpfc_vport
));
3246 shost
= scsi_host_alloc(&lpfc_template
,
3247 sizeof(struct lpfc_vport
));
3251 vport
= (struct lpfc_vport
*) shost
->hostdata
;
3253 vport
->load_flag
|= FC_LOADING
;
3254 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
3255 vport
->fc_rscn_flush
= 0;
3257 lpfc_get_vport_cfgparam(vport
);
3258 shost
->unique_id
= instance
;
3259 shost
->max_id
= LPFC_MAX_TARGET
;
3260 shost
->max_lun
= vport
->cfg_max_luns
;
3261 shost
->this_id
= -1;
3262 shost
->max_cmd_len
= 16;
3263 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
3264 shost
->dma_boundary
=
3265 phba
->sli4_hba
.pc_sli4_params
.sge_supp_len
-1;
3266 shost
->sg_tablesize
= phba
->cfg_sg_seg_cnt
;
3270 * Set initial can_queue value since 0 is no longer supported and
3271 * scsi_add_host will fail. This will be adjusted later based on the
3272 * max xri value determined in hba setup.
3274 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
3275 if (dev
!= &phba
->pcidev
->dev
) {
3276 shost
->transportt
= lpfc_vport_transport_template
;
3277 vport
->port_type
= LPFC_NPIV_PORT
;
3279 shost
->transportt
= lpfc_transport_template
;
3280 vport
->port_type
= LPFC_PHYSICAL_PORT
;
3283 /* Initialize all internally managed lists. */
3284 INIT_LIST_HEAD(&vport
->fc_nodes
);
3285 INIT_LIST_HEAD(&vport
->rcv_buffer_list
);
3286 spin_lock_init(&vport
->work_port_lock
);
3288 init_timer(&vport
->fc_disctmo
);
3289 vport
->fc_disctmo
.function
= lpfc_disc_timeout
;
3290 vport
->fc_disctmo
.data
= (unsigned long)vport
;
3292 init_timer(&vport
->fc_fdmitmo
);
3293 vport
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
3294 vport
->fc_fdmitmo
.data
= (unsigned long)vport
;
3296 init_timer(&vport
->els_tmofunc
);
3297 vport
->els_tmofunc
.function
= lpfc_els_timeout
;
3298 vport
->els_tmofunc
.data
= (unsigned long)vport
;
3300 init_timer(&vport
->delayed_disc_tmo
);
3301 vport
->delayed_disc_tmo
.function
= lpfc_delayed_disc_tmo
;
3302 vport
->delayed_disc_tmo
.data
= (unsigned long)vport
;
3304 error
= scsi_add_host_with_dma(shost
, dev
, &phba
->pcidev
->dev
);
3308 spin_lock_irq(&phba
->hbalock
);
3309 list_add_tail(&vport
->listentry
, &phba
->port_list
);
3310 spin_unlock_irq(&phba
->hbalock
);
3314 scsi_host_put(shost
);
3320 * destroy_port - destroy an FC port
3321 * @vport: pointer to an lpfc virtual N_Port data structure.
3323 * This routine destroys a FC port from the upper layer protocol. All the
3324 * resources associated with the port are released.
3327 destroy_port(struct lpfc_vport
*vport
)
3329 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3330 struct lpfc_hba
*phba
= vport
->phba
;
3332 lpfc_debugfs_terminate(vport
);
3333 fc_remove_host(shost
);
3334 scsi_remove_host(shost
);
3336 spin_lock_irq(&phba
->hbalock
);
3337 list_del_init(&vport
->listentry
);
3338 spin_unlock_irq(&phba
->hbalock
);
3340 lpfc_cleanup(vport
);
3345 * lpfc_get_instance - Get a unique integer ID
3347 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
3348 * uses the kernel idr facility to perform the task.
3351 * instance - a unique integer ID allocated as the new instance.
3352 * -1 - lpfc get instance failed.
3355 lpfc_get_instance(void)
3359 ret
= idr_alloc(&lpfc_hba_index
, NULL
, 0, 0, GFP_KERNEL
);
3360 return ret
< 0 ? -1 : ret
;
3364 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
3365 * @shost: pointer to SCSI host data structure.
3366 * @time: elapsed time of the scan in jiffies.
3368 * This routine is called by the SCSI layer with a SCSI host to determine
3369 * whether the scan host is finished.
3371 * Note: there is no scan_start function as adapter initialization will have
3372 * asynchronously kicked off the link initialization.
3375 * 0 - SCSI host scan is not over yet.
3376 * 1 - SCSI host scan is over.
3378 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
3380 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3381 struct lpfc_hba
*phba
= vport
->phba
;
3384 spin_lock_irq(shost
->host_lock
);
3386 if (vport
->load_flag
& FC_UNLOADING
) {
3390 if (time
>= msecs_to_jiffies(30 * 1000)) {
3391 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3392 "0461 Scanning longer than 30 "
3393 "seconds. Continuing initialization\n");
3397 if (time
>= msecs_to_jiffies(15 * 1000) &&
3398 phba
->link_state
<= LPFC_LINK_DOWN
) {
3399 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3400 "0465 Link down longer than 15 "
3401 "seconds. Continuing initialization\n");
3406 if (vport
->port_state
!= LPFC_VPORT_READY
)
3408 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
3410 if (vport
->fc_map_cnt
== 0 && time
< msecs_to_jiffies(2 * 1000))
3412 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
3418 spin_unlock_irq(shost
->host_lock
);
3423 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
3424 * @shost: pointer to SCSI host data structure.
3426 * This routine initializes a given SCSI host attributes on a FC port. The
3427 * SCSI host can be either on top of a physical port or a virtual port.
3429 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
3431 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3432 struct lpfc_hba
*phba
= vport
->phba
;
3434 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
3437 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
3438 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
3439 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
3441 memset(fc_host_supported_fc4s(shost
), 0,
3442 sizeof(fc_host_supported_fc4s(shost
)));
3443 fc_host_supported_fc4s(shost
)[2] = 1;
3444 fc_host_supported_fc4s(shost
)[7] = 1;
3446 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
3447 sizeof fc_host_symbolic_name(shost
));
3449 fc_host_supported_speeds(shost
) = 0;
3450 if (phba
->lmt
& LMT_16Gb
)
3451 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_16GBIT
;
3452 if (phba
->lmt
& LMT_10Gb
)
3453 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
3454 if (phba
->lmt
& LMT_8Gb
)
3455 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
3456 if (phba
->lmt
& LMT_4Gb
)
3457 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
3458 if (phba
->lmt
& LMT_2Gb
)
3459 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
3460 if (phba
->lmt
& LMT_1Gb
)
3461 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
3463 fc_host_maxframe_size(shost
) =
3464 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
3465 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
3467 fc_host_dev_loss_tmo(shost
) = vport
->cfg_devloss_tmo
;
3469 /* This value is also unchanging */
3470 memset(fc_host_active_fc4s(shost
), 0,
3471 sizeof(fc_host_active_fc4s(shost
)));
3472 fc_host_active_fc4s(shost
)[2] = 1;
3473 fc_host_active_fc4s(shost
)[7] = 1;
3475 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
3476 spin_lock_irq(shost
->host_lock
);
3477 vport
->load_flag
&= ~FC_LOADING
;
3478 spin_unlock_irq(shost
->host_lock
);
3482 * lpfc_stop_port_s3 - Stop SLI3 device port
3483 * @phba: pointer to lpfc hba data structure.
3485 * This routine is invoked to stop an SLI3 device port, it stops the device
3486 * from generating interrupts and stops the device driver's timers for the
3490 lpfc_stop_port_s3(struct lpfc_hba
*phba
)
3492 /* Clear all interrupt enable conditions */
3493 writel(0, phba
->HCregaddr
);
3494 readl(phba
->HCregaddr
); /* flush */
3495 /* Clear all pending interrupts */
3496 writel(0xffffffff, phba
->HAregaddr
);
3497 readl(phba
->HAregaddr
); /* flush */
3499 /* Reset some HBA SLI setup states */
3500 lpfc_stop_hba_timers(phba
);
3501 phba
->pport
->work_port_events
= 0;
3505 * lpfc_stop_port_s4 - Stop SLI4 device port
3506 * @phba: pointer to lpfc hba data structure.
3508 * This routine is invoked to stop an SLI4 device port, it stops the device
3509 * from generating interrupts and stops the device driver's timers for the
3513 lpfc_stop_port_s4(struct lpfc_hba
*phba
)
3515 /* Reset some HBA SLI4 setup states */
3516 lpfc_stop_hba_timers(phba
);
3517 phba
->pport
->work_port_events
= 0;
3518 phba
->sli4_hba
.intr_enable
= 0;
3522 * lpfc_stop_port - Wrapper function for stopping hba port
3523 * @phba: Pointer to HBA context object.
3525 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
3526 * the API jump table function pointer from the lpfc_hba struct.
3529 lpfc_stop_port(struct lpfc_hba
*phba
)
3531 phba
->lpfc_stop_port(phba
);
3535 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
3536 * @phba: Pointer to hba for which this call is being executed.
3538 * This routine starts the timer waiting for the FCF rediscovery to complete.
3541 lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba
*phba
)
3543 unsigned long fcf_redisc_wait_tmo
=
3544 (jiffies
+ msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO
));
3545 /* Start fcf rediscovery wait period timer */
3546 mod_timer(&phba
->fcf
.redisc_wait
, fcf_redisc_wait_tmo
);
3547 spin_lock_irq(&phba
->hbalock
);
3548 /* Allow action to new fcf asynchronous event */
3549 phba
->fcf
.fcf_flag
&= ~(FCF_AVAILABLE
| FCF_SCAN_DONE
);
3550 /* Mark the FCF rediscovery pending state */
3551 phba
->fcf
.fcf_flag
|= FCF_REDISC_PEND
;
3552 spin_unlock_irq(&phba
->hbalock
);
3556 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
3557 * @ptr: Map to lpfc_hba data structure pointer.
3559 * This routine is invoked when waiting for FCF table rediscover has been
3560 * timed out. If new FCF record(s) has (have) been discovered during the
3561 * wait period, a new FCF event shall be added to the FCOE async event
3562 * list, and then worker thread shall be waked up for processing from the
3563 * worker thread context.
3566 lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr
)
3568 struct lpfc_hba
*phba
= (struct lpfc_hba
*)ptr
;
3570 /* Don't send FCF rediscovery event if timer cancelled */
3571 spin_lock_irq(&phba
->hbalock
);
3572 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
3573 spin_unlock_irq(&phba
->hbalock
);
3576 /* Clear FCF rediscovery timer pending flag */
3577 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
3578 /* FCF rediscovery event to worker thread */
3579 phba
->fcf
.fcf_flag
|= FCF_REDISC_EVT
;
3580 spin_unlock_irq(&phba
->hbalock
);
3581 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
3582 "2776 FCF rediscover quiescent timer expired\n");
3583 /* wake up worker thread */
3584 lpfc_worker_wake_up(phba
);
3588 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
3589 * @phba: pointer to lpfc hba data structure.
3590 * @acqe_link: pointer to the async link completion queue entry.
3592 * This routine is to parse the SLI4 link-attention link fault code and
3593 * translate it into the base driver's read link attention mailbox command
3596 * Return: Link-attention status in terms of base driver's coding.
3599 lpfc_sli4_parse_latt_fault(struct lpfc_hba
*phba
,
3600 struct lpfc_acqe_link
*acqe_link
)
3602 uint16_t latt_fault
;
3604 switch (bf_get(lpfc_acqe_link_fault
, acqe_link
)) {
3605 case LPFC_ASYNC_LINK_FAULT_NONE
:
3606 case LPFC_ASYNC_LINK_FAULT_LOCAL
:
3607 case LPFC_ASYNC_LINK_FAULT_REMOTE
:
3611 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3612 "0398 Invalid link fault code: x%x\n",
3613 bf_get(lpfc_acqe_link_fault
, acqe_link
));
3614 latt_fault
= MBXERR_ERROR
;
3621 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
3622 * @phba: pointer to lpfc hba data structure.
3623 * @acqe_link: pointer to the async link completion queue entry.
3625 * This routine is to parse the SLI4 link attention type and translate it
3626 * into the base driver's link attention type coding.
3628 * Return: Link attention type in terms of base driver's coding.
3631 lpfc_sli4_parse_latt_type(struct lpfc_hba
*phba
,
3632 struct lpfc_acqe_link
*acqe_link
)
3636 switch (bf_get(lpfc_acqe_link_status
, acqe_link
)) {
3637 case LPFC_ASYNC_LINK_STATUS_DOWN
:
3638 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN
:
3639 att_type
= LPFC_ATT_LINK_DOWN
;
3641 case LPFC_ASYNC_LINK_STATUS_UP
:
3642 /* Ignore physical link up events - wait for logical link up */
3643 att_type
= LPFC_ATT_RESERVED
;
3645 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP
:
3646 att_type
= LPFC_ATT_LINK_UP
;
3649 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3650 "0399 Invalid link attention type: x%x\n",
3651 bf_get(lpfc_acqe_link_status
, acqe_link
));
3652 att_type
= LPFC_ATT_RESERVED
;
3659 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
3660 * @phba: pointer to lpfc hba data structure.
3661 * @acqe_link: pointer to the async link completion queue entry.
3663 * This routine is to parse the SLI4 link-attention link speed and translate
3664 * it into the base driver's link-attention link speed coding.
3666 * Return: Link-attention link speed in terms of base driver's coding.
3669 lpfc_sli4_parse_latt_link_speed(struct lpfc_hba
*phba
,
3670 struct lpfc_acqe_link
*acqe_link
)
3674 switch (bf_get(lpfc_acqe_link_speed
, acqe_link
)) {
3675 case LPFC_ASYNC_LINK_SPEED_ZERO
:
3676 case LPFC_ASYNC_LINK_SPEED_10MBPS
:
3677 case LPFC_ASYNC_LINK_SPEED_100MBPS
:
3678 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3680 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
3681 link_speed
= LPFC_LINK_SPEED_1GHZ
;
3683 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
3684 link_speed
= LPFC_LINK_SPEED_10GHZ
;
3687 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3688 "0483 Invalid link-attention link speed: x%x\n",
3689 bf_get(lpfc_acqe_link_speed
, acqe_link
));
3690 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3697 * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
3698 * @phba: pointer to lpfc hba data structure.
3700 * This routine is to get an SLI3 FC port's link speed in Mbps.
3702 * Return: link speed in terms of Mbps.
3705 lpfc_sli_port_speed_get(struct lpfc_hba
*phba
)
3707 uint32_t link_speed
;
3709 if (!lpfc_is_link_up(phba
))
3712 switch (phba
->fc_linkspeed
) {
3713 case LPFC_LINK_SPEED_1GHZ
:
3716 case LPFC_LINK_SPEED_2GHZ
:
3719 case LPFC_LINK_SPEED_4GHZ
:
3722 case LPFC_LINK_SPEED_8GHZ
:
3725 case LPFC_LINK_SPEED_10GHZ
:
3728 case LPFC_LINK_SPEED_16GHZ
:
3738 * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
3739 * @phba: pointer to lpfc hba data structure.
3740 * @evt_code: asynchronous event code.
3741 * @speed_code: asynchronous event link speed code.
3743 * This routine is to parse the giving SLI4 async event link speed code into
3744 * value of Mbps for the link speed.
3746 * Return: link speed in terms of Mbps.
3749 lpfc_sli4_port_speed_parse(struct lpfc_hba
*phba
, uint32_t evt_code
,
3752 uint32_t port_speed
;
3755 case LPFC_TRAILER_CODE_LINK
:
3756 switch (speed_code
) {
3757 case LPFC_EVT_CODE_LINK_NO_LINK
:
3760 case LPFC_EVT_CODE_LINK_10_MBIT
:
3763 case LPFC_EVT_CODE_LINK_100_MBIT
:
3766 case LPFC_EVT_CODE_LINK_1_GBIT
:
3769 case LPFC_EVT_CODE_LINK_10_GBIT
:
3776 case LPFC_TRAILER_CODE_FC
:
3777 switch (speed_code
) {
3778 case LPFC_EVT_CODE_FC_NO_LINK
:
3781 case LPFC_EVT_CODE_FC_1_GBAUD
:
3784 case LPFC_EVT_CODE_FC_2_GBAUD
:
3787 case LPFC_EVT_CODE_FC_4_GBAUD
:
3790 case LPFC_EVT_CODE_FC_8_GBAUD
:
3793 case LPFC_EVT_CODE_FC_10_GBAUD
:
3796 case LPFC_EVT_CODE_FC_16_GBAUD
:
3810 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
3811 * @phba: pointer to lpfc hba data structure.
3812 * @acqe_link: pointer to the async link completion queue entry.
3814 * This routine is to handle the SLI4 asynchronous FCoE link event.
3817 lpfc_sli4_async_link_evt(struct lpfc_hba
*phba
,
3818 struct lpfc_acqe_link
*acqe_link
)
3820 struct lpfc_dmabuf
*mp
;
3823 struct lpfc_mbx_read_top
*la
;
3827 att_type
= lpfc_sli4_parse_latt_type(phba
, acqe_link
);
3828 if (att_type
!= LPFC_ATT_LINK_DOWN
&& att_type
!= LPFC_ATT_LINK_UP
)
3830 phba
->fcoe_eventtag
= acqe_link
->event_tag
;
3831 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3833 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3834 "0395 The mboxq allocation failed\n");
3837 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3839 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3840 "0396 The lpfc_dmabuf allocation failed\n");
3843 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3845 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3846 "0397 The mbuf allocation failed\n");
3847 goto out_free_dmabuf
;
3850 /* Cleanup any outstanding ELS commands */
3851 lpfc_els_flush_all_cmd(phba
);
3853 /* Block ELS IOCBs until we have done process link event */
3854 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3856 /* Update link event statistics */
3857 phba
->sli
.slistat
.link_event
++;
3859 /* Create lpfc_handle_latt mailbox command from link ACQE */
3860 lpfc_read_topology(phba
, pmb
, mp
);
3861 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3862 pmb
->vport
= phba
->pport
;
3864 /* Keep the link status for extra SLI4 state machine reference */
3865 phba
->sli4_hba
.link_state
.speed
=
3866 lpfc_sli4_port_speed_parse(phba
, LPFC_TRAILER_CODE_LINK
,
3867 bf_get(lpfc_acqe_link_speed
, acqe_link
));
3868 phba
->sli4_hba
.link_state
.duplex
=
3869 bf_get(lpfc_acqe_link_duplex
, acqe_link
);
3870 phba
->sli4_hba
.link_state
.status
=
3871 bf_get(lpfc_acqe_link_status
, acqe_link
);
3872 phba
->sli4_hba
.link_state
.type
=
3873 bf_get(lpfc_acqe_link_type
, acqe_link
);
3874 phba
->sli4_hba
.link_state
.number
=
3875 bf_get(lpfc_acqe_link_number
, acqe_link
);
3876 phba
->sli4_hba
.link_state
.fault
=
3877 bf_get(lpfc_acqe_link_fault
, acqe_link
);
3878 phba
->sli4_hba
.link_state
.logical_speed
=
3879 bf_get(lpfc_acqe_logical_link_speed
, acqe_link
) * 10;
3881 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3882 "2900 Async FC/FCoE Link event - Speed:%dGBit "
3883 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
3884 "Logical speed:%dMbps Fault:%d\n",
3885 phba
->sli4_hba
.link_state
.speed
,
3886 phba
->sli4_hba
.link_state
.topology
,
3887 phba
->sli4_hba
.link_state
.status
,
3888 phba
->sli4_hba
.link_state
.type
,
3889 phba
->sli4_hba
.link_state
.number
,
3890 phba
->sli4_hba
.link_state
.logical_speed
,
3891 phba
->sli4_hba
.link_state
.fault
);
3893 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
3894 * topology info. Note: Optional for non FC-AL ports.
3896 if (!(phba
->hba_flag
& HBA_FCOE_MODE
)) {
3897 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3898 if (rc
== MBX_NOT_FINISHED
)
3899 goto out_free_dmabuf
;
3903 * For FCoE Mode: fill in all the topology information we need and call
3904 * the READ_TOPOLOGY completion routine to continue without actually
3905 * sending the READ_TOPOLOGY mailbox command to the port.
3907 /* Parse and translate status field */
3909 mb
->mbxStatus
= lpfc_sli4_parse_latt_fault(phba
, acqe_link
);
3911 /* Parse and translate link attention fields */
3912 la
= (struct lpfc_mbx_read_top
*) &pmb
->u
.mb
.un
.varReadTop
;
3913 la
->eventTag
= acqe_link
->event_tag
;
3914 bf_set(lpfc_mbx_read_top_att_type
, la
, att_type
);
3915 bf_set(lpfc_mbx_read_top_link_spd
, la
,
3916 lpfc_sli4_parse_latt_link_speed(phba
, acqe_link
));
3918 /* Fake the the following irrelvant fields */
3919 bf_set(lpfc_mbx_read_top_topology
, la
, LPFC_TOPOLOGY_PT_PT
);
3920 bf_set(lpfc_mbx_read_top_alpa_granted
, la
, 0);
3921 bf_set(lpfc_mbx_read_top_il
, la
, 0);
3922 bf_set(lpfc_mbx_read_top_pb
, la
, 0);
3923 bf_set(lpfc_mbx_read_top_fa
, la
, 0);
3924 bf_set(lpfc_mbx_read_top_mm
, la
, 0);
3926 /* Invoke the lpfc_handle_latt mailbox command callback function */
3927 lpfc_mbx_cmpl_read_topology(phba
, pmb
);
3934 mempool_free(pmb
, phba
->mbox_mem_pool
);
3938 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
3939 * @phba: pointer to lpfc hba data structure.
3940 * @acqe_fc: pointer to the async fc completion queue entry.
3942 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
3943 * that the event was received and then issue a read_topology mailbox command so
3944 * that the rest of the driver will treat it the same as SLI3.
3947 lpfc_sli4_async_fc_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_fc_la
*acqe_fc
)
3949 struct lpfc_dmabuf
*mp
;
3953 if (bf_get(lpfc_trailer_type
, acqe_fc
) !=
3954 LPFC_FC_LA_EVENT_TYPE_FC_LINK
) {
3955 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3956 "2895 Non FC link Event detected.(%d)\n",
3957 bf_get(lpfc_trailer_type
, acqe_fc
));
3960 /* Keep the link status for extra SLI4 state machine reference */
3961 phba
->sli4_hba
.link_state
.speed
=
3962 lpfc_sli4_port_speed_parse(phba
, LPFC_TRAILER_CODE_FC
,
3963 bf_get(lpfc_acqe_fc_la_speed
, acqe_fc
));
3964 phba
->sli4_hba
.link_state
.duplex
= LPFC_ASYNC_LINK_DUPLEX_FULL
;
3965 phba
->sli4_hba
.link_state
.topology
=
3966 bf_get(lpfc_acqe_fc_la_topology
, acqe_fc
);
3967 phba
->sli4_hba
.link_state
.status
=
3968 bf_get(lpfc_acqe_fc_la_att_type
, acqe_fc
);
3969 phba
->sli4_hba
.link_state
.type
=
3970 bf_get(lpfc_acqe_fc_la_port_type
, acqe_fc
);
3971 phba
->sli4_hba
.link_state
.number
=
3972 bf_get(lpfc_acqe_fc_la_port_number
, acqe_fc
);
3973 phba
->sli4_hba
.link_state
.fault
=
3974 bf_get(lpfc_acqe_link_fault
, acqe_fc
);
3975 phba
->sli4_hba
.link_state
.logical_speed
=
3976 bf_get(lpfc_acqe_fc_la_llink_spd
, acqe_fc
) * 10;
3977 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3978 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
3979 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
3980 "%dMbps Fault:%d\n",
3981 phba
->sli4_hba
.link_state
.speed
,
3982 phba
->sli4_hba
.link_state
.topology
,
3983 phba
->sli4_hba
.link_state
.status
,
3984 phba
->sli4_hba
.link_state
.type
,
3985 phba
->sli4_hba
.link_state
.number
,
3986 phba
->sli4_hba
.link_state
.logical_speed
,
3987 phba
->sli4_hba
.link_state
.fault
);
3988 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3990 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3991 "2897 The mboxq allocation failed\n");
3994 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3996 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3997 "2898 The lpfc_dmabuf allocation failed\n");
4000 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
4002 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4003 "2899 The mbuf allocation failed\n");
4004 goto out_free_dmabuf
;
4007 /* Cleanup any outstanding ELS commands */
4008 lpfc_els_flush_all_cmd(phba
);
4010 /* Block ELS IOCBs until we have done process link event */
4011 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
4013 /* Update link event statistics */
4014 phba
->sli
.slistat
.link_event
++;
4016 /* Create lpfc_handle_latt mailbox command from link ACQE */
4017 lpfc_read_topology(phba
, pmb
, mp
);
4018 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
4019 pmb
->vport
= phba
->pport
;
4021 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
4022 if (rc
== MBX_NOT_FINISHED
)
4023 goto out_free_dmabuf
;
4029 mempool_free(pmb
, phba
->mbox_mem_pool
);
4033 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
4034 * @phba: pointer to lpfc hba data structure.
4035 * @acqe_fc: pointer to the async SLI completion queue entry.
4037 * This routine is to handle the SLI4 asynchronous SLI events.
4040 lpfc_sli4_async_sli_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_sli
*acqe_sli
)
4045 struct lpfc_acqe_misconfigured_event
*misconfigured
;
4047 /* special case misconfigured event as it contains data for all ports */
4048 if ((bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
4049 LPFC_SLI_INTF_IF_TYPE_2
) ||
4050 (bf_get(lpfc_trailer_type
, acqe_sli
) !=
4051 LPFC_SLI_EVENT_TYPE_MISCONFIGURED
)) {
4052 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4053 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
4054 "x%08x SLI Event Type:%d\n",
4055 acqe_sli
->event_data1
, acqe_sli
->event_data2
,
4056 bf_get(lpfc_trailer_type
, acqe_sli
));
4060 port_name
= phba
->Port
[0];
4061 if (port_name
== 0x00)
4062 port_name
= '?'; /* get port name is empty */
4064 misconfigured
= (struct lpfc_acqe_misconfigured_event
*)
4065 &acqe_sli
->event_data1
;
4067 /* fetch the status for this port */
4068 switch (phba
->sli4_hba
.lnk_info
.lnk_no
) {
4069 case LPFC_LINK_NUMBER_0
:
4070 status
= bf_get(lpfc_sli_misconfigured_port0
,
4071 &misconfigured
->theEvent
);
4073 case LPFC_LINK_NUMBER_1
:
4074 status
= bf_get(lpfc_sli_misconfigured_port1
,
4075 &misconfigured
->theEvent
);
4077 case LPFC_LINK_NUMBER_2
:
4078 status
= bf_get(lpfc_sli_misconfigured_port2
,
4079 &misconfigured
->theEvent
);
4081 case LPFC_LINK_NUMBER_3
:
4082 status
= bf_get(lpfc_sli_misconfigured_port3
,
4083 &misconfigured
->theEvent
);
4086 status
= ~LPFC_SLI_EVENT_STATUS_VALID
;
4091 case LPFC_SLI_EVENT_STATUS_VALID
:
4092 return; /* no message if the sfp is okay */
4093 case LPFC_SLI_EVENT_STATUS_NOT_PRESENT
:
4094 sprintf(message
, "Optics faulted/incorrectly installed/not " \
4095 "installed - Reseat optics, if issue not "
4096 "resolved, replace.");
4098 case LPFC_SLI_EVENT_STATUS_WRONG_TYPE
:
4100 "Optics of two types installed - Remove one optic or " \
4101 "install matching pair of optics.");
4103 case LPFC_SLI_EVENT_STATUS_UNSUPPORTED
:
4104 sprintf(message
, "Incompatible optics - Replace with " \
4105 "compatible optics for card to function.");
4108 /* firmware is reporting a status we don't know about */
4109 sprintf(message
, "Unknown event status x%02x", status
);
4113 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4114 "3176 Misconfigured Physical Port - "
4115 "Port Name %c %s\n", port_name
, message
);
4119 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
4120 * @vport: pointer to vport data structure.
4122 * This routine is to perform Clear Virtual Link (CVL) on a vport in
4123 * response to a CVL event.
4125 * Return the pointer to the ndlp with the vport if successful, otherwise
4128 static struct lpfc_nodelist
*
4129 lpfc_sli4_perform_vport_cvl(struct lpfc_vport
*vport
)
4131 struct lpfc_nodelist
*ndlp
;
4132 struct Scsi_Host
*shost
;
4133 struct lpfc_hba
*phba
;
4140 ndlp
= lpfc_findnode_did(vport
, Fabric_DID
);
4142 /* Cannot find existing Fabric ndlp, so allocate a new one */
4143 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
4146 lpfc_nlp_init(vport
, ndlp
, Fabric_DID
);
4147 /* Set the node type */
4148 ndlp
->nlp_type
|= NLP_FABRIC
;
4149 /* Put ndlp onto node list */
4150 lpfc_enqueue_node(vport
, ndlp
);
4151 } else if (!NLP_CHK_NODE_ACT(ndlp
)) {
4152 /* re-setup ndlp without removing from node list */
4153 ndlp
= lpfc_enable_node(vport
, ndlp
, NLP_STE_UNUSED_NODE
);
4157 if ((phba
->pport
->port_state
< LPFC_FLOGI
) &&
4158 (phba
->pport
->port_state
!= LPFC_VPORT_FAILED
))
4160 /* If virtual link is not yet instantiated ignore CVL */
4161 if ((vport
!= phba
->pport
) && (vport
->port_state
< LPFC_FDISC
)
4162 && (vport
->port_state
!= LPFC_VPORT_FAILED
))
4164 shost
= lpfc_shost_from_vport(vport
);
4167 lpfc_linkdown_port(vport
);
4168 lpfc_cleanup_pending_mbox(vport
);
4169 spin_lock_irq(shost
->host_lock
);
4170 vport
->fc_flag
|= FC_VPORT_CVL_RCVD
;
4171 spin_unlock_irq(shost
->host_lock
);
4177 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
4178 * @vport: pointer to lpfc hba data structure.
4180 * This routine is to perform Clear Virtual Link (CVL) on all vports in
4181 * response to a FCF dead event.
4184 lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba
*phba
)
4186 struct lpfc_vport
**vports
;
4189 vports
= lpfc_create_vport_work_array(phba
);
4191 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
4192 lpfc_sli4_perform_vport_cvl(vports
[i
]);
4193 lpfc_destroy_vport_work_array(phba
, vports
);
4197 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
4198 * @phba: pointer to lpfc hba data structure.
4199 * @acqe_link: pointer to the async fcoe completion queue entry.
4201 * This routine is to handle the SLI4 asynchronous fcoe event.
4204 lpfc_sli4_async_fip_evt(struct lpfc_hba
*phba
,
4205 struct lpfc_acqe_fip
*acqe_fip
)
4207 uint8_t event_type
= bf_get(lpfc_trailer_type
, acqe_fip
);
4209 struct lpfc_vport
*vport
;
4210 struct lpfc_nodelist
*ndlp
;
4211 struct Scsi_Host
*shost
;
4212 int active_vlink_present
;
4213 struct lpfc_vport
**vports
;
4216 phba
->fc_eventTag
= acqe_fip
->event_tag
;
4217 phba
->fcoe_eventtag
= acqe_fip
->event_tag
;
4218 switch (event_type
) {
4219 case LPFC_FIP_EVENT_TYPE_NEW_FCF
:
4220 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD
:
4221 if (event_type
== LPFC_FIP_EVENT_TYPE_NEW_FCF
)
4222 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4224 "2546 New FCF event, evt_tag:x%x, "
4226 acqe_fip
->event_tag
,
4229 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
|
4231 "2788 FCF param modified event, "
4232 "evt_tag:x%x, index:x%x\n",
4233 acqe_fip
->event_tag
,
4235 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4237 * During period of FCF discovery, read the FCF
4238 * table record indexed by the event to update
4239 * FCF roundrobin failover eligible FCF bmask.
4241 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
4243 "2779 Read FCF (x%x) for updating "
4244 "roundrobin FCF failover bmask\n",
4246 rc
= lpfc_sli4_read_fcf_rec(phba
, acqe_fip
->index
);
4249 /* If the FCF discovery is in progress, do nothing. */
4250 spin_lock_irq(&phba
->hbalock
);
4251 if (phba
->hba_flag
& FCF_TS_INPROG
) {
4252 spin_unlock_irq(&phba
->hbalock
);
4255 /* If fast FCF failover rescan event is pending, do nothing */
4256 if (phba
->fcf
.fcf_flag
& FCF_REDISC_EVT
) {
4257 spin_unlock_irq(&phba
->hbalock
);
4261 /* If the FCF has been in discovered state, do nothing. */
4262 if (phba
->fcf
.fcf_flag
& FCF_SCAN_DONE
) {
4263 spin_unlock_irq(&phba
->hbalock
);
4266 spin_unlock_irq(&phba
->hbalock
);
4268 /* Otherwise, scan the entire FCF table and re-discover SAN */
4269 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4270 "2770 Start FCF table scan per async FCF "
4271 "event, evt_tag:x%x, index:x%x\n",
4272 acqe_fip
->event_tag
, acqe_fip
->index
);
4273 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
4274 LPFC_FCOE_FCF_GET_FIRST
);
4276 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4277 "2547 Issue FCF scan read FCF mailbox "
4278 "command failed (x%x)\n", rc
);
4281 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL
:
4282 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4283 "2548 FCF Table full count 0x%x tag 0x%x\n",
4284 bf_get(lpfc_acqe_fip_fcf_count
, acqe_fip
),
4285 acqe_fip
->event_tag
);
4288 case LPFC_FIP_EVENT_TYPE_FCF_DEAD
:
4289 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
4290 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4291 "2549 FCF (x%x) disconnected from network, "
4292 "tag:x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
4294 * If we are in the middle of FCF failover process, clear
4295 * the corresponding FCF bit in the roundrobin bitmap.
4297 spin_lock_irq(&phba
->hbalock
);
4298 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4299 spin_unlock_irq(&phba
->hbalock
);
4300 /* Update FLOGI FCF failover eligible FCF bmask */
4301 lpfc_sli4_fcf_rr_index_clear(phba
, acqe_fip
->index
);
4304 spin_unlock_irq(&phba
->hbalock
);
4306 /* If the event is not for currently used fcf do nothing */
4307 if (phba
->fcf
.current_rec
.fcf_indx
!= acqe_fip
->index
)
4311 * Otherwise, request the port to rediscover the entire FCF
4312 * table for a fast recovery from case that the current FCF
4313 * is no longer valid as we are not in the middle of FCF
4314 * failover process already.
4316 spin_lock_irq(&phba
->hbalock
);
4317 /* Mark the fast failover process in progress */
4318 phba
->fcf
.fcf_flag
|= FCF_DEAD_DISC
;
4319 spin_unlock_irq(&phba
->hbalock
);
4321 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4322 "2771 Start FCF fast failover process due to "
4323 "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
4324 "\n", acqe_fip
->event_tag
, acqe_fip
->index
);
4325 rc
= lpfc_sli4_redisc_fcf_table(phba
);
4327 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4329 "2772 Issue FCF rediscover mabilbox "
4330 "command failed, fail through to FCF "
4332 spin_lock_irq(&phba
->hbalock
);
4333 phba
->fcf
.fcf_flag
&= ~FCF_DEAD_DISC
;
4334 spin_unlock_irq(&phba
->hbalock
);
4336 * Last resort will fail over by treating this
4337 * as a link down to FCF registration.
4339 lpfc_sli4_fcf_dead_failthrough(phba
);
4341 /* Reset FCF roundrobin bmask for new discovery */
4342 lpfc_sli4_clear_fcf_rr_bmask(phba
);
4344 * Handling fast FCF failover to a DEAD FCF event is
4345 * considered equalivant to receiving CVL to all vports.
4347 lpfc_sli4_perform_all_vport_cvl(phba
);
4350 case LPFC_FIP_EVENT_TYPE_CVL
:
4351 phba
->fcoe_cvl_eventtag
= acqe_fip
->event_tag
;
4352 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4353 "2718 Clear Virtual Link Received for VPI 0x%x"
4354 " tag 0x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
4356 vport
= lpfc_find_vport_by_vpid(phba
,
4358 ndlp
= lpfc_sli4_perform_vport_cvl(vport
);
4361 active_vlink_present
= 0;
4363 vports
= lpfc_create_vport_work_array(phba
);
4365 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
;
4367 if ((!(vports
[i
]->fc_flag
&
4368 FC_VPORT_CVL_RCVD
)) &&
4369 (vports
[i
]->port_state
> LPFC_FDISC
)) {
4370 active_vlink_present
= 1;
4374 lpfc_destroy_vport_work_array(phba
, vports
);
4377 if (active_vlink_present
) {
4379 * If there are other active VLinks present,
4380 * re-instantiate the Vlink using FDISC.
4382 mod_timer(&ndlp
->nlp_delayfunc
,
4383 jiffies
+ msecs_to_jiffies(1000));
4384 shost
= lpfc_shost_from_vport(vport
);
4385 spin_lock_irq(shost
->host_lock
);
4386 ndlp
->nlp_flag
|= NLP_DELAY_TMO
;
4387 spin_unlock_irq(shost
->host_lock
);
4388 ndlp
->nlp_last_elscmd
= ELS_CMD_FDISC
;
4389 vport
->port_state
= LPFC_FDISC
;
4392 * Otherwise, we request port to rediscover
4393 * the entire FCF table for a fast recovery
4394 * from possible case that the current FCF
4395 * is no longer valid if we are not already
4396 * in the FCF failover process.
4398 spin_lock_irq(&phba
->hbalock
);
4399 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
4400 spin_unlock_irq(&phba
->hbalock
);
4403 /* Mark the fast failover process in progress */
4404 phba
->fcf
.fcf_flag
|= FCF_ACVL_DISC
;
4405 spin_unlock_irq(&phba
->hbalock
);
4406 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
4408 "2773 Start FCF failover per CVL, "
4409 "evt_tag:x%x\n", acqe_fip
->event_tag
);
4410 rc
= lpfc_sli4_redisc_fcf_table(phba
);
4412 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
4414 "2774 Issue FCF rediscover "
4415 "mabilbox command failed, "
4416 "through to CVL event\n");
4417 spin_lock_irq(&phba
->hbalock
);
4418 phba
->fcf
.fcf_flag
&= ~FCF_ACVL_DISC
;
4419 spin_unlock_irq(&phba
->hbalock
);
4421 * Last resort will be re-try on the
4422 * the current registered FCF entry.
4424 lpfc_retry_pport_discovery(phba
);
4427 * Reset FCF roundrobin bmask for new
4430 lpfc_sli4_clear_fcf_rr_bmask(phba
);
4434 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4435 "0288 Unknown FCoE event type 0x%x event tag "
4436 "0x%x\n", event_type
, acqe_fip
->event_tag
);
4442 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
4443 * @phba: pointer to lpfc hba data structure.
4444 * @acqe_link: pointer to the async dcbx completion queue entry.
4446 * This routine is to handle the SLI4 asynchronous dcbx event.
4449 lpfc_sli4_async_dcbx_evt(struct lpfc_hba
*phba
,
4450 struct lpfc_acqe_dcbx
*acqe_dcbx
)
4452 phba
->fc_eventTag
= acqe_dcbx
->event_tag
;
4453 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4454 "0290 The SLI4 DCBX asynchronous event is not "
4459 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
4460 * @phba: pointer to lpfc hba data structure.
4461 * @acqe_link: pointer to the async grp5 completion queue entry.
4463 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
4464 * is an asynchronous notified of a logical link speed change. The Port
4465 * reports the logical link speed in units of 10Mbps.
4468 lpfc_sli4_async_grp5_evt(struct lpfc_hba
*phba
,
4469 struct lpfc_acqe_grp5
*acqe_grp5
)
4471 uint16_t prev_ll_spd
;
4473 phba
->fc_eventTag
= acqe_grp5
->event_tag
;
4474 phba
->fcoe_eventtag
= acqe_grp5
->event_tag
;
4475 prev_ll_spd
= phba
->sli4_hba
.link_state
.logical_speed
;
4476 phba
->sli4_hba
.link_state
.logical_speed
=
4477 (bf_get(lpfc_acqe_grp5_llink_spd
, acqe_grp5
)) * 10;
4478 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4479 "2789 GRP5 Async Event: Updating logical link speed "
4480 "from %dMbps to %dMbps\n", prev_ll_spd
,
4481 phba
->sli4_hba
.link_state
.logical_speed
);
4485 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
4486 * @phba: pointer to lpfc hba data structure.
4488 * This routine is invoked by the worker thread to process all the pending
4489 * SLI4 asynchronous events.
4491 void lpfc_sli4_async_event_proc(struct lpfc_hba
*phba
)
4493 struct lpfc_cq_event
*cq_event
;
4495 /* First, declare the async event has been handled */
4496 spin_lock_irq(&phba
->hbalock
);
4497 phba
->hba_flag
&= ~ASYNC_EVENT
;
4498 spin_unlock_irq(&phba
->hbalock
);
4499 /* Now, handle all the async events */
4500 while (!list_empty(&phba
->sli4_hba
.sp_asynce_work_queue
)) {
4501 /* Get the first event from the head of the event queue */
4502 spin_lock_irq(&phba
->hbalock
);
4503 list_remove_head(&phba
->sli4_hba
.sp_asynce_work_queue
,
4504 cq_event
, struct lpfc_cq_event
, list
);
4505 spin_unlock_irq(&phba
->hbalock
);
4506 /* Process the asynchronous event */
4507 switch (bf_get(lpfc_trailer_code
, &cq_event
->cqe
.mcqe_cmpl
)) {
4508 case LPFC_TRAILER_CODE_LINK
:
4509 lpfc_sli4_async_link_evt(phba
,
4510 &cq_event
->cqe
.acqe_link
);
4512 case LPFC_TRAILER_CODE_FCOE
:
4513 lpfc_sli4_async_fip_evt(phba
, &cq_event
->cqe
.acqe_fip
);
4515 case LPFC_TRAILER_CODE_DCBX
:
4516 lpfc_sli4_async_dcbx_evt(phba
,
4517 &cq_event
->cqe
.acqe_dcbx
);
4519 case LPFC_TRAILER_CODE_GRP5
:
4520 lpfc_sli4_async_grp5_evt(phba
,
4521 &cq_event
->cqe
.acqe_grp5
);
4523 case LPFC_TRAILER_CODE_FC
:
4524 lpfc_sli4_async_fc_evt(phba
, &cq_event
->cqe
.acqe_fc
);
4526 case LPFC_TRAILER_CODE_SLI
:
4527 lpfc_sli4_async_sli_evt(phba
, &cq_event
->cqe
.acqe_sli
);
4530 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4531 "1804 Invalid asynchrous event code: "
4532 "x%x\n", bf_get(lpfc_trailer_code
,
4533 &cq_event
->cqe
.mcqe_cmpl
));
4536 /* Free the completion event processed to the free pool */
4537 lpfc_sli4_cq_event_release(phba
, cq_event
);
4542 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
4543 * @phba: pointer to lpfc hba data structure.
4545 * This routine is invoked by the worker thread to process FCF table
4546 * rediscovery pending completion event.
4548 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba
*phba
)
4552 spin_lock_irq(&phba
->hbalock
);
4553 /* Clear FCF rediscovery timeout event */
4554 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_EVT
;
4555 /* Clear driver fast failover FCF record flag */
4556 phba
->fcf
.failover_rec
.flag
= 0;
4557 /* Set state for FCF fast failover */
4558 phba
->fcf
.fcf_flag
|= FCF_REDISC_FOV
;
4559 spin_unlock_irq(&phba
->hbalock
);
4561 /* Scan FCF table from the first entry to re-discover SAN */
4562 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
4563 "2777 Start post-quiescent FCF table scan\n");
4564 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
, LPFC_FCOE_FCF_GET_FIRST
);
4566 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
4567 "2747 Issue FCF scan read FCF mailbox "
4568 "command failed 0x%x\n", rc
);
4572 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
4573 * @phba: pointer to lpfc hba data structure.
4574 * @dev_grp: The HBA PCI-Device group number.
4576 * This routine is invoked to set up the per HBA PCI-Device group function
4577 * API jump table entries.
4579 * Return: 0 if success, otherwise -ENODEV
4582 lpfc_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
4586 /* Set up lpfc PCI-device group */
4587 phba
->pci_dev_grp
= dev_grp
;
4589 /* The LPFC_PCI_DEV_OC uses SLI4 */
4590 if (dev_grp
== LPFC_PCI_DEV_OC
)
4591 phba
->sli_rev
= LPFC_SLI_REV4
;
4593 /* Set up device INIT API function jump table */
4594 rc
= lpfc_init_api_table_setup(phba
, dev_grp
);
4597 /* Set up SCSI API function jump table */
4598 rc
= lpfc_scsi_api_table_setup(phba
, dev_grp
);
4601 /* Set up SLI API function jump table */
4602 rc
= lpfc_sli_api_table_setup(phba
, dev_grp
);
4605 /* Set up MBOX API function jump table */
4606 rc
= lpfc_mbox_api_table_setup(phba
, dev_grp
);
4614 * lpfc_log_intr_mode - Log the active interrupt mode
4615 * @phba: pointer to lpfc hba data structure.
4616 * @intr_mode: active interrupt mode adopted.
4618 * This routine it invoked to log the currently used active interrupt mode
4621 static void lpfc_log_intr_mode(struct lpfc_hba
*phba
, uint32_t intr_mode
)
4623 switch (intr_mode
) {
4625 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4626 "0470 Enable INTx interrupt mode.\n");
4629 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4630 "0481 Enabled MSI interrupt mode.\n");
4633 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4634 "0480 Enabled MSI-X interrupt mode.\n");
4637 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4638 "0482 Illegal interrupt mode.\n");
4645 * lpfc_enable_pci_dev - Enable a generic PCI device.
4646 * @phba: pointer to lpfc hba data structure.
4648 * This routine is invoked to enable the PCI device that is common to all
4653 * other values - error
4656 lpfc_enable_pci_dev(struct lpfc_hba
*phba
)
4658 struct pci_dev
*pdev
;
4661 /* Obtain PCI device reference */
4665 pdev
= phba
->pcidev
;
4666 /* Select PCI BARs */
4667 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
4668 /* Enable PCI device */
4669 if (pci_enable_device_mem(pdev
))
4671 /* Request PCI resource for the device */
4672 if (pci_request_selected_regions(pdev
, bars
, LPFC_DRIVER_NAME
))
4673 goto out_disable_device
;
4674 /* Set up device as PCI master and save state for EEH */
4675 pci_set_master(pdev
);
4676 pci_try_set_mwi(pdev
);
4677 pci_save_state(pdev
);
4679 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
4680 if (pci_is_pcie(pdev
))
4681 pdev
->needs_freset
= 1;
4686 pci_disable_device(pdev
);
4688 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4689 "1401 Failed to enable pci device, bars:x%x\n", bars
);
4694 * lpfc_disable_pci_dev - Disable a generic PCI device.
4695 * @phba: pointer to lpfc hba data structure.
4697 * This routine is invoked to disable the PCI device that is common to all
4701 lpfc_disable_pci_dev(struct lpfc_hba
*phba
)
4703 struct pci_dev
*pdev
;
4706 /* Obtain PCI device reference */
4710 pdev
= phba
->pcidev
;
4711 /* Select PCI BARs */
4712 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
4713 /* Release PCI resource and disable PCI device */
4714 pci_release_selected_regions(pdev
, bars
);
4715 pci_disable_device(pdev
);
4721 * lpfc_reset_hba - Reset a hba
4722 * @phba: pointer to lpfc hba data structure.
4724 * This routine is invoked to reset a hba device. It brings the HBA
4725 * offline, performs a board restart, and then brings the board back
4726 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
4727 * on outstanding mailbox commands.
4730 lpfc_reset_hba(struct lpfc_hba
*phba
)
4732 /* If resets are disabled then set error state and return. */
4733 if (!phba
->cfg_enable_hba_reset
) {
4734 phba
->link_state
= LPFC_HBA_ERROR
;
4737 if (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)
4738 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
4740 lpfc_offline_prep(phba
, LPFC_MBX_NO_WAIT
);
4742 lpfc_sli_brdrestart(phba
);
4744 lpfc_unblock_mgmt_io(phba
);
4748 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
4749 * @phba: pointer to lpfc hba data structure.
4751 * This function enables the PCI SR-IOV virtual functions to a physical
4752 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4753 * enable the number of virtual functions to the physical function. As
4754 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4755 * API call does not considered as an error condition for most of the device.
4758 lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba
*phba
)
4760 struct pci_dev
*pdev
= phba
->pcidev
;
4764 pos
= pci_find_ext_capability(pdev
, PCI_EXT_CAP_ID_SRIOV
);
4768 pci_read_config_word(pdev
, pos
+ PCI_SRIOV_TOTAL_VF
, &nr_virtfn
);
4773 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
4774 * @phba: pointer to lpfc hba data structure.
4775 * @nr_vfn: number of virtual functions to be enabled.
4777 * This function enables the PCI SR-IOV virtual functions to a physical
4778 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4779 * enable the number of virtual functions to the physical function. As
4780 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4781 * API call does not considered as an error condition for most of the device.
4784 lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba
*phba
, int nr_vfn
)
4786 struct pci_dev
*pdev
= phba
->pcidev
;
4787 uint16_t max_nr_vfn
;
4790 max_nr_vfn
= lpfc_sli_sriov_nr_virtfn_get(phba
);
4791 if (nr_vfn
> max_nr_vfn
) {
4792 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4793 "3057 Requested vfs (%d) greater than "
4794 "supported vfs (%d)", nr_vfn
, max_nr_vfn
);
4798 rc
= pci_enable_sriov(pdev
, nr_vfn
);
4800 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4801 "2806 Failed to enable sriov on this device "
4802 "with vfn number nr_vf:%d, rc:%d\n",
4805 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4806 "2807 Successful enable sriov on this device "
4807 "with vfn number nr_vf:%d\n", nr_vfn
);
4812 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
4813 * @phba: pointer to lpfc hba data structure.
4815 * This routine is invoked to set up the driver internal resources specific to
4816 * support the SLI-3 HBA device it attached to.
4820 * other values - error
4823 lpfc_sli_driver_resource_setup(struct lpfc_hba
*phba
)
4825 struct lpfc_sli
*psli
;
4829 * Initialize timers used by driver
4832 /* Heartbeat timer */
4833 init_timer(&phba
->hb_tmofunc
);
4834 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4835 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4838 /* MBOX heartbeat timer */
4839 init_timer(&psli
->mbox_tmo
);
4840 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4841 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4842 /* FCP polling mode timer */
4843 init_timer(&phba
->fcp_poll_timer
);
4844 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
4845 phba
->fcp_poll_timer
.data
= (unsigned long) phba
;
4846 /* Fabric block timer */
4847 init_timer(&phba
->fabric_block_timer
);
4848 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4849 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4850 /* EA polling mode timer */
4851 init_timer(&phba
->eratt_poll
);
4852 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4853 phba
->eratt_poll
.data
= (unsigned long) phba
;
4855 /* Host attention work mask setup */
4856 phba
->work_ha_mask
= (HA_ERATT
| HA_MBATT
| HA_LATT
);
4857 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
4859 /* Get all the module params for configuring this host */
4860 lpfc_get_cfgparam(phba
);
4861 if (phba
->pcidev
->device
== PCI_DEVICE_ID_HORNET
) {
4862 phba
->menlo_flag
|= HBA_MENLO_SUPPORT
;
4863 /* check for menlo minimum sg count */
4864 if (phba
->cfg_sg_seg_cnt
< LPFC_DEFAULT_MENLO_SG_SEG_CNT
)
4865 phba
->cfg_sg_seg_cnt
= LPFC_DEFAULT_MENLO_SG_SEG_CNT
;
4868 if (!phba
->sli
.ring
)
4869 phba
->sli
.ring
= (struct lpfc_sli_ring
*)
4870 kzalloc(LPFC_SLI3_MAX_RING
*
4871 sizeof(struct lpfc_sli_ring
), GFP_KERNEL
);
4872 if (!phba
->sli
.ring
)
4876 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
4877 * used to create the sg_dma_buf_pool must be dynamically calculated.
4880 /* Initialize the host templates the configured values. */
4881 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4882 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4884 /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */
4885 if (phba
->cfg_enable_bg
) {
4887 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
4888 * the FCP rsp, and a BDE for each. Sice we have no control
4889 * over how many protection data segments the SCSI Layer
4890 * will hand us (ie: there could be one for every block
4891 * in the IO), we just allocate enough BDEs to accomidate
4892 * our max amount and we need to limit lpfc_sg_seg_cnt to
4893 * minimize the risk of running out.
4895 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
4896 sizeof(struct fcp_rsp
) +
4897 (LPFC_MAX_SG_SEG_CNT
* sizeof(struct ulp_bde64
));
4899 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SG_SEG_CNT_DIF
)
4900 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SEG_CNT_DIF
;
4902 /* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */
4903 phba
->cfg_total_seg_cnt
= LPFC_MAX_SG_SEG_CNT
;
4906 * The scsi_buf for a regular I/O will hold the FCP cmnd,
4907 * the FCP rsp, a BDE for each, and a BDE for up to
4908 * cfg_sg_seg_cnt data segments.
4910 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
4911 sizeof(struct fcp_rsp
) +
4912 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct ulp_bde64
));
4914 /* Total BDEs in BPL for scsi_sg_list */
4915 phba
->cfg_total_seg_cnt
= phba
->cfg_sg_seg_cnt
+ 2;
4918 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
| LOG_FCP
,
4919 "9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n",
4920 phba
->cfg_sg_seg_cnt
, phba
->cfg_sg_dma_buf_size
,
4921 phba
->cfg_total_seg_cnt
);
4923 phba
->max_vpi
= LPFC_MAX_VPI
;
4924 /* This will be set to correct value after config_port mbox */
4925 phba
->max_vports
= 0;
4928 * Initialize the SLI Layer to run with lpfc HBAs.
4930 lpfc_sli_setup(phba
);
4931 lpfc_sli_queue_setup(phba
);
4933 /* Allocate device driver memory */
4934 if (lpfc_mem_alloc(phba
, BPL_ALIGN_SZ
))
4938 * Enable sr-iov virtual functions if supported and configured
4939 * through the module parameter.
4941 if (phba
->cfg_sriov_nr_virtfn
> 0) {
4942 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
4943 phba
->cfg_sriov_nr_virtfn
);
4945 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4946 "2808 Requested number of SR-IOV "
4947 "virtual functions (%d) is not "
4949 phba
->cfg_sriov_nr_virtfn
);
4950 phba
->cfg_sriov_nr_virtfn
= 0;
4958 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
4959 * @phba: pointer to lpfc hba data structure.
4961 * This routine is invoked to unset the driver internal resources set up
4962 * specific for supporting the SLI-3 HBA device it attached to.
4965 lpfc_sli_driver_resource_unset(struct lpfc_hba
*phba
)
4967 /* Free device driver memory allocated */
4968 lpfc_mem_free_all(phba
);
4974 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
4975 * @phba: pointer to lpfc hba data structure.
4977 * This routine is invoked to set up the driver internal resources specific to
4978 * support the SLI-4 HBA device it attached to.
4982 * other values - error
4985 lpfc_sli4_driver_resource_setup(struct lpfc_hba
*phba
)
4987 struct lpfc_vector_map_info
*cpup
;
4988 struct lpfc_sli
*psli
;
4989 LPFC_MBOXQ_t
*mboxq
;
4990 int rc
, i
, hbq_count
, max_buf_size
;
4991 uint8_t pn_page
[LPFC_MAX_SUPPORTED_PAGES
] = {0};
4992 struct lpfc_mqe
*mqe
;
4994 int fof_vectors
= 0;
4996 /* Get all the module params for configuring this host */
4997 lpfc_get_cfgparam(phba
);
4999 /* Before proceed, wait for POST done and device ready */
5000 rc
= lpfc_sli4_post_status_check(phba
);
5005 * Initialize timers used by driver
5008 /* Heartbeat timer */
5009 init_timer(&phba
->hb_tmofunc
);
5010 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
5011 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
5012 init_timer(&phba
->rrq_tmr
);
5013 phba
->rrq_tmr
.function
= lpfc_rrq_timeout
;
5014 phba
->rrq_tmr
.data
= (unsigned long)phba
;
5017 /* MBOX heartbeat timer */
5018 init_timer(&psli
->mbox_tmo
);
5019 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
5020 psli
->mbox_tmo
.data
= (unsigned long) phba
;
5021 /* Fabric block timer */
5022 init_timer(&phba
->fabric_block_timer
);
5023 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
5024 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
5025 /* EA polling mode timer */
5026 init_timer(&phba
->eratt_poll
);
5027 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
5028 phba
->eratt_poll
.data
= (unsigned long) phba
;
5029 /* FCF rediscover timer */
5030 init_timer(&phba
->fcf
.redisc_wait
);
5031 phba
->fcf
.redisc_wait
.function
= lpfc_sli4_fcf_redisc_wait_tmo
;
5032 phba
->fcf
.redisc_wait
.data
= (unsigned long)phba
;
5035 * Control structure for handling external multi-buffer mailbox
5036 * command pass-through.
5038 memset((uint8_t *)&phba
->mbox_ext_buf_ctx
, 0,
5039 sizeof(struct lpfc_mbox_ext_buf_ctx
));
5040 INIT_LIST_HEAD(&phba
->mbox_ext_buf_ctx
.ext_dmabuf_list
);
5042 phba
->max_vpi
= LPFC_MAX_VPI
;
5044 /* This will be set to correct value after the read_config mbox */
5045 phba
->max_vports
= 0;
5047 /* Program the default value of vlan_id and fc_map */
5048 phba
->valid_vlan
= 0;
5049 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
5050 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
5051 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
5054 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
5055 * we will associate a new ring, for each FCP fastpath EQ/CQ/WQ tuple.
5057 if (!phba
->sli
.ring
)
5058 phba
->sli
.ring
= kzalloc(
5059 (LPFC_SLI3_MAX_RING
+ phba
->cfg_fcp_io_channel
) *
5060 sizeof(struct lpfc_sli_ring
), GFP_KERNEL
);
5061 if (!phba
->sli
.ring
)
5065 * It doesn't matter what family our adapter is in, we are
5066 * limited to 2 Pages, 512 SGEs, for our SGL.
5067 * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp
5069 max_buf_size
= (2 * SLI4_PAGE_SIZE
);
5070 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SGL_SEG_CNT
- 2)
5071 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SGL_SEG_CNT
- 2;
5074 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
5075 * used to create the sg_dma_buf_pool must be dynamically calculated.
5078 if (phba
->cfg_enable_bg
) {
5080 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
5081 * the FCP rsp, and a SGE for each. Sice we have no control
5082 * over how many protection data segments the SCSI Layer
5083 * will hand us (ie: there could be one for every block
5084 * in the IO), we just allocate enough SGEs to accomidate
5085 * our max amount and we need to limit lpfc_sg_seg_cnt to
5086 * minimize the risk of running out.
5088 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
5089 sizeof(struct fcp_rsp
) + max_buf_size
;
5091 /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */
5092 phba
->cfg_total_seg_cnt
= LPFC_MAX_SGL_SEG_CNT
;
5094 if (phba
->cfg_sg_seg_cnt
> LPFC_MAX_SG_SLI4_SEG_CNT_DIF
)
5095 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SLI4_SEG_CNT_DIF
;
5098 * The scsi_buf for a regular I/O will hold the FCP cmnd,
5099 * the FCP rsp, a SGE for each, and a SGE for up to
5100 * cfg_sg_seg_cnt data segments.
5102 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
5103 sizeof(struct fcp_rsp
) +
5104 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct sli4_sge
));
5106 /* Total SGEs for scsi_sg_list */
5107 phba
->cfg_total_seg_cnt
= phba
->cfg_sg_seg_cnt
+ 2;
5109 * NOTE: if (phba->cfg_sg_seg_cnt + 2) <= 256 we only need
5110 * to post 1 page for the SGL.
5114 /* Initialize the host templates with the updated values. */
5115 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5116 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
5118 if (phba
->cfg_sg_dma_buf_size
<= LPFC_MIN_SG_SLI4_BUF_SZ
)
5119 phba
->cfg_sg_dma_buf_size
= LPFC_MIN_SG_SLI4_BUF_SZ
;
5121 phba
->cfg_sg_dma_buf_size
=
5122 SLI4_PAGE_ALIGN(phba
->cfg_sg_dma_buf_size
);
5124 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
| LOG_FCP
,
5125 "9087 sg_tablesize:%d dmabuf_size:%d total_sge:%d\n",
5126 phba
->cfg_sg_seg_cnt
, phba
->cfg_sg_dma_buf_size
,
5127 phba
->cfg_total_seg_cnt
);
5129 /* Initialize buffer queue management fields */
5130 hbq_count
= lpfc_sli_hbq_count();
5131 for (i
= 0; i
< hbq_count
; ++i
)
5132 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
5133 INIT_LIST_HEAD(&phba
->rb_pend_list
);
5134 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_sli4_rb_alloc
;
5135 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_sli4_rb_free
;
5138 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
5140 /* Initialize the Abort scsi buffer list used by driver */
5141 spin_lock_init(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
5142 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
5143 /* This abort list used by worker thread */
5144 spin_lock_init(&phba
->sli4_hba
.abts_sgl_list_lock
);
5147 * Initialize driver internal slow-path work queues
5150 /* Driver internel slow-path CQ Event pool */
5151 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_cqe_event_pool
);
5152 /* Response IOCB work queue list */
5153 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_queue_event
);
5154 /* Asynchronous event CQ Event work queue list */
5155 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_asynce_work_queue
);
5156 /* Fast-path XRI aborted CQ Event work queue list */
5157 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
5158 /* Slow-path XRI aborted CQ Event work queue list */
5159 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
5160 /* Receive queue CQ Event work queue list */
5161 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_unsol_work_queue
);
5163 /* Initialize extent block lists. */
5164 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_blk_list
);
5165 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_xri_blk_list
);
5166 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_vfi_blk_list
);
5167 INIT_LIST_HEAD(&phba
->lpfc_vpi_blk_list
);
5169 /* Initialize the driver internal SLI layer lists. */
5170 lpfc_sli_setup(phba
);
5171 lpfc_sli_queue_setup(phba
);
5173 /* Allocate device driver memory */
5174 rc
= lpfc_mem_alloc(phba
, SGL_ALIGN_SZ
);
5178 /* IF Type 2 ports get initialized now. */
5179 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
5180 LPFC_SLI_INTF_IF_TYPE_2
) {
5181 rc
= lpfc_pci_function_reset(phba
);
5186 /* Create the bootstrap mailbox command */
5187 rc
= lpfc_create_bootstrap_mbox(phba
);
5191 /* Set up the host's endian order with the device. */
5192 rc
= lpfc_setup_endian_order(phba
);
5194 goto out_free_bsmbx
;
5196 /* Set up the hba's configuration parameters. */
5197 rc
= lpfc_sli4_read_config(phba
);
5199 goto out_free_bsmbx
;
5200 rc
= lpfc_mem_alloc_active_rrq_pool_s4(phba
);
5202 goto out_free_bsmbx
;
5204 /* IF Type 0 ports get initialized now. */
5205 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
5206 LPFC_SLI_INTF_IF_TYPE_0
) {
5207 rc
= lpfc_pci_function_reset(phba
);
5209 goto out_free_bsmbx
;
5212 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
5216 goto out_free_bsmbx
;
5219 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
5220 lpfc_supported_pages(mboxq
);
5221 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5223 mqe
= &mboxq
->u
.mqe
;
5224 memcpy(&pn_page
[0], ((uint8_t *)&mqe
->un
.supp_pages
.word3
),
5225 LPFC_MAX_SUPPORTED_PAGES
);
5226 for (i
= 0; i
< LPFC_MAX_SUPPORTED_PAGES
; i
++) {
5227 switch (pn_page
[i
]) {
5228 case LPFC_SLI4_PARAMETERS
:
5229 phba
->sli4_hba
.pc_sli4_params
.supported
= 1;
5235 /* Read the port's SLI4 Parameters capabilities if supported. */
5236 if (phba
->sli4_hba
.pc_sli4_params
.supported
)
5237 rc
= lpfc_pc_sli4_params_get(phba
, mboxq
);
5239 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5241 goto out_free_bsmbx
;
5245 * Get sli4 parameters that override parameters from Port capabilities.
5246 * If this call fails, it isn't critical unless the SLI4 parameters come
5249 rc
= lpfc_get_sli4_parameters(phba
, mboxq
);
5251 if (phba
->sli4_hba
.extents_in_use
&&
5252 phba
->sli4_hba
.rpi_hdrs_in_use
) {
5253 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5254 "2999 Unsupported SLI4 Parameters "
5255 "Extents and RPI headers enabled.\n");
5256 goto out_free_bsmbx
;
5259 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5261 /* Verify OAS is supported */
5262 lpfc_sli4_oas_verify(phba
);
5266 /* Verify all the SLI4 queues */
5267 rc
= lpfc_sli4_queue_verify(phba
);
5269 goto out_free_bsmbx
;
5271 /* Create driver internal CQE event pool */
5272 rc
= lpfc_sli4_cq_event_pool_create(phba
);
5274 goto out_free_bsmbx
;
5276 /* Initialize sgl lists per host */
5277 lpfc_init_sgl_list(phba
);
5279 /* Allocate and initialize active sgl array */
5280 rc
= lpfc_init_active_sgl_array(phba
);
5282 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5283 "1430 Failed to initialize sgl list.\n");
5284 goto out_destroy_cq_event_pool
;
5286 rc
= lpfc_sli4_init_rpi_hdrs(phba
);
5288 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5289 "1432 Failed to initialize rpi headers.\n");
5290 goto out_free_active_sgl
;
5293 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
5294 longs
= (LPFC_SLI4_FCF_TBL_INDX_MAX
+ BITS_PER_LONG
- 1)/BITS_PER_LONG
;
5295 phba
->fcf
.fcf_rr_bmask
= kzalloc(longs
* sizeof(unsigned long),
5297 if (!phba
->fcf
.fcf_rr_bmask
) {
5298 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5299 "2759 Failed allocate memory for FCF round "
5300 "robin failover bmask\n");
5302 goto out_remove_rpi_hdrs
;
5305 phba
->sli4_hba
.fcp_eq_hdl
=
5306 kzalloc((sizeof(struct lpfc_fcp_eq_hdl
) *
5307 (fof_vectors
+ phba
->cfg_fcp_io_channel
)),
5309 if (!phba
->sli4_hba
.fcp_eq_hdl
) {
5310 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5311 "2572 Failed allocate memory for "
5312 "fast-path per-EQ handle array\n");
5314 goto out_free_fcf_rr_bmask
;
5317 phba
->sli4_hba
.msix_entries
= kzalloc((sizeof(struct msix_entry
) *
5319 phba
->cfg_fcp_io_channel
)), GFP_KERNEL
);
5320 if (!phba
->sli4_hba
.msix_entries
) {
5321 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5322 "2573 Failed allocate memory for msi-x "
5323 "interrupt vector entries\n");
5325 goto out_free_fcp_eq_hdl
;
5328 phba
->sli4_hba
.cpu_map
= kzalloc((sizeof(struct lpfc_vector_map_info
) *
5329 phba
->sli4_hba
.num_present_cpu
),
5331 if (!phba
->sli4_hba
.cpu_map
) {
5332 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5333 "3327 Failed allocate memory for msi-x "
5334 "interrupt vector mapping\n");
5338 if (lpfc_used_cpu
== NULL
) {
5339 lpfc_used_cpu
= kzalloc((sizeof(uint16_t) * lpfc_present_cpu
),
5341 if (!lpfc_used_cpu
) {
5342 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5343 "3335 Failed allocate memory for msi-x "
5344 "interrupt vector mapping\n");
5345 kfree(phba
->sli4_hba
.cpu_map
);
5349 for (i
= 0; i
< lpfc_present_cpu
; i
++)
5350 lpfc_used_cpu
[i
] = LPFC_VECTOR_MAP_EMPTY
;
5353 /* Initialize io channels for round robin */
5354 cpup
= phba
->sli4_hba
.cpu_map
;
5356 for (i
= 0; i
< phba
->sli4_hba
.num_present_cpu
; i
++) {
5357 cpup
->channel_id
= rc
;
5359 if (rc
>= phba
->cfg_fcp_io_channel
)
5364 * Enable sr-iov virtual functions if supported and configured
5365 * through the module parameter.
5367 if (phba
->cfg_sriov_nr_virtfn
> 0) {
5368 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
5369 phba
->cfg_sriov_nr_virtfn
);
5371 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
5372 "3020 Requested number of SR-IOV "
5373 "virtual functions (%d) is not "
5375 phba
->cfg_sriov_nr_virtfn
);
5376 phba
->cfg_sriov_nr_virtfn
= 0;
5383 kfree(phba
->sli4_hba
.msix_entries
);
5384 out_free_fcp_eq_hdl
:
5385 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
5386 out_free_fcf_rr_bmask
:
5387 kfree(phba
->fcf
.fcf_rr_bmask
);
5388 out_remove_rpi_hdrs
:
5389 lpfc_sli4_remove_rpi_hdrs(phba
);
5390 out_free_active_sgl
:
5391 lpfc_free_active_sgl(phba
);
5392 out_destroy_cq_event_pool
:
5393 lpfc_sli4_cq_event_pool_destroy(phba
);
5395 lpfc_destroy_bootstrap_mbox(phba
);
5397 lpfc_mem_free(phba
);
5402 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
5403 * @phba: pointer to lpfc hba data structure.
5405 * This routine is invoked to unset the driver internal resources set up
5406 * specific for supporting the SLI-4 HBA device it attached to.
5409 lpfc_sli4_driver_resource_unset(struct lpfc_hba
*phba
)
5411 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
5413 /* Free memory allocated for msi-x interrupt vector to CPU mapping */
5414 kfree(phba
->sli4_hba
.cpu_map
);
5415 phba
->sli4_hba
.num_present_cpu
= 0;
5416 phba
->sli4_hba
.num_online_cpu
= 0;
5417 phba
->sli4_hba
.curr_disp_cpu
= 0;
5419 /* Free memory allocated for msi-x interrupt vector entries */
5420 kfree(phba
->sli4_hba
.msix_entries
);
5422 /* Free memory allocated for fast-path work queue handles */
5423 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
5425 /* Free the allocated rpi headers. */
5426 lpfc_sli4_remove_rpi_hdrs(phba
);
5427 lpfc_sli4_remove_rpis(phba
);
5429 /* Free eligible FCF index bmask */
5430 kfree(phba
->fcf
.fcf_rr_bmask
);
5432 /* Free the ELS sgl list */
5433 lpfc_free_active_sgl(phba
);
5434 lpfc_free_els_sgl_list(phba
);
5436 /* Free the completion queue EQ event pool */
5437 lpfc_sli4_cq_event_release_all(phba
);
5438 lpfc_sli4_cq_event_pool_destroy(phba
);
5440 /* Release resource identifiers. */
5441 lpfc_sli4_dealloc_resource_identifiers(phba
);
5443 /* Free the bsmbx region. */
5444 lpfc_destroy_bootstrap_mbox(phba
);
5446 /* Free the SLI Layer memory with SLI4 HBAs */
5447 lpfc_mem_free_all(phba
);
5449 /* Free the current connect table */
5450 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
5451 &phba
->fcf_conn_rec_list
, list
) {
5452 list_del_init(&conn_entry
->list
);
5460 * lpfc_init_api_table_setup - Set up init api function jump table
5461 * @phba: The hba struct for which this call is being executed.
5462 * @dev_grp: The HBA PCI-Device group number.
5464 * This routine sets up the device INIT interface API function jump table
5467 * Returns: 0 - success, -ENODEV - failure.
5470 lpfc_init_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
5472 phba
->lpfc_hba_init_link
= lpfc_hba_init_link
;
5473 phba
->lpfc_hba_down_link
= lpfc_hba_down_link
;
5474 phba
->lpfc_selective_reset
= lpfc_selective_reset
;
5476 case LPFC_PCI_DEV_LP
:
5477 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s3
;
5478 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s3
;
5479 phba
->lpfc_stop_port
= lpfc_stop_port_s3
;
5481 case LPFC_PCI_DEV_OC
:
5482 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s4
;
5483 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s4
;
5484 phba
->lpfc_stop_port
= lpfc_stop_port_s4
;
5487 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5488 "1431 Invalid HBA PCI-device group: 0x%x\n",
5497 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
5498 * @phba: pointer to lpfc hba data structure.
5500 * This routine is invoked to set up the driver internal resources before the
5501 * device specific resource setup to support the HBA device it attached to.
5505 * other values - error
5508 lpfc_setup_driver_resource_phase1(struct lpfc_hba
*phba
)
5511 * Driver resources common to all SLI revisions
5513 atomic_set(&phba
->fast_event_count
, 0);
5514 spin_lock_init(&phba
->hbalock
);
5516 /* Initialize ndlp management spinlock */
5517 spin_lock_init(&phba
->ndlp_lock
);
5519 INIT_LIST_HEAD(&phba
->port_list
);
5520 INIT_LIST_HEAD(&phba
->work_list
);
5521 init_waitqueue_head(&phba
->wait_4_mlo_m_q
);
5523 /* Initialize the wait queue head for the kernel thread */
5524 init_waitqueue_head(&phba
->work_waitq
);
5526 /* Initialize the scsi buffer list used by driver for scsi IO */
5527 spin_lock_init(&phba
->scsi_buf_list_get_lock
);
5528 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_get
);
5529 spin_lock_init(&phba
->scsi_buf_list_put_lock
);
5530 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list_put
);
5532 /* Initialize the fabric iocb list */
5533 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
5535 /* Initialize list to save ELS buffers */
5536 INIT_LIST_HEAD(&phba
->elsbuf
);
5538 /* Initialize FCF connection rec list */
5539 INIT_LIST_HEAD(&phba
->fcf_conn_rec_list
);
5541 /* Initialize OAS configuration list */
5542 spin_lock_init(&phba
->devicelock
);
5543 INIT_LIST_HEAD(&phba
->luns
);
5549 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
5550 * @phba: pointer to lpfc hba data structure.
5552 * This routine is invoked to set up the driver internal resources after the
5553 * device specific resource setup to support the HBA device it attached to.
5557 * other values - error
5560 lpfc_setup_driver_resource_phase2(struct lpfc_hba
*phba
)
5564 /* Startup the kernel thread for this host adapter. */
5565 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
5566 "lpfc_worker_%d", phba
->brd_no
);
5567 if (IS_ERR(phba
->worker_thread
)) {
5568 error
= PTR_ERR(phba
->worker_thread
);
5576 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
5577 * @phba: pointer to lpfc hba data structure.
5579 * This routine is invoked to unset the driver internal resources set up after
5580 * the device specific resource setup for supporting the HBA device it
5584 lpfc_unset_driver_resource_phase2(struct lpfc_hba
*phba
)
5586 /* Stop kernel worker thread */
5587 kthread_stop(phba
->worker_thread
);
5591 * lpfc_free_iocb_list - Free iocb list.
5592 * @phba: pointer to lpfc hba data structure.
5594 * This routine is invoked to free the driver's IOCB list and memory.
5597 lpfc_free_iocb_list(struct lpfc_hba
*phba
)
5599 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
5601 spin_lock_irq(&phba
->hbalock
);
5602 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
5603 &phba
->lpfc_iocb_list
, list
) {
5604 list_del(&iocbq_entry
->list
);
5606 phba
->total_iocbq_bufs
--;
5608 spin_unlock_irq(&phba
->hbalock
);
5614 * lpfc_init_iocb_list - Allocate and initialize iocb list.
5615 * @phba: pointer to lpfc hba data structure.
5617 * This routine is invoked to allocate and initizlize the driver's IOCB
5618 * list and set up the IOCB tag array accordingly.
5622 * other values - error
5625 lpfc_init_iocb_list(struct lpfc_hba
*phba
, int iocb_count
)
5627 struct lpfc_iocbq
*iocbq_entry
= NULL
;
5631 /* Initialize and populate the iocb list per host. */
5632 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
5633 for (i
= 0; i
< iocb_count
; i
++) {
5634 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
5635 if (iocbq_entry
== NULL
) {
5636 printk(KERN_ERR
"%s: only allocated %d iocbs of "
5637 "expected %d count. Unloading driver.\n",
5638 __func__
, i
, LPFC_IOCB_LIST_CNT
);
5639 goto out_free_iocbq
;
5642 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
5645 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
5646 "Unloading driver.\n", __func__
);
5647 goto out_free_iocbq
;
5649 iocbq_entry
->sli4_lxritag
= NO_XRI
;
5650 iocbq_entry
->sli4_xritag
= NO_XRI
;
5652 spin_lock_irq(&phba
->hbalock
);
5653 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
5654 phba
->total_iocbq_bufs
++;
5655 spin_unlock_irq(&phba
->hbalock
);
5661 lpfc_free_iocb_list(phba
);
5667 * lpfc_free_sgl_list - Free a given sgl list.
5668 * @phba: pointer to lpfc hba data structure.
5669 * @sglq_list: pointer to the head of sgl list.
5671 * This routine is invoked to free a give sgl list and memory.
5674 lpfc_free_sgl_list(struct lpfc_hba
*phba
, struct list_head
*sglq_list
)
5676 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
5678 list_for_each_entry_safe(sglq_entry
, sglq_next
, sglq_list
, list
) {
5679 list_del(&sglq_entry
->list
);
5680 lpfc_mbuf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
5686 * lpfc_free_els_sgl_list - Free els sgl list.
5687 * @phba: pointer to lpfc hba data structure.
5689 * This routine is invoked to free the driver's els sgl list and memory.
5692 lpfc_free_els_sgl_list(struct lpfc_hba
*phba
)
5694 LIST_HEAD(sglq_list
);
5695 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
5697 /* Retrieve all els sgls from driver list */
5698 spin_lock_irq(&phba
->hbalock
);
5699 spin_lock(&pring
->ring_lock
);
5700 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &sglq_list
);
5701 spin_unlock(&pring
->ring_lock
);
5702 spin_unlock_irq(&phba
->hbalock
);
5704 /* Now free the sgl list */
5705 lpfc_free_sgl_list(phba
, &sglq_list
);
5709 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
5710 * @phba: pointer to lpfc hba data structure.
5712 * This routine is invoked to allocate the driver's active sgl memory.
5713 * This array will hold the sglq_entry's for active IOs.
5716 lpfc_init_active_sgl_array(struct lpfc_hba
*phba
)
5719 size
= sizeof(struct lpfc_sglq
*);
5720 size
*= phba
->sli4_hba
.max_cfg_param
.max_xri
;
5722 phba
->sli4_hba
.lpfc_sglq_active_list
=
5723 kzalloc(size
, GFP_KERNEL
);
5724 if (!phba
->sli4_hba
.lpfc_sglq_active_list
)
5730 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
5731 * @phba: pointer to lpfc hba data structure.
5733 * This routine is invoked to walk through the array of active sglq entries
5734 * and free all of the resources.
5735 * This is just a place holder for now.
5738 lpfc_free_active_sgl(struct lpfc_hba
*phba
)
5740 kfree(phba
->sli4_hba
.lpfc_sglq_active_list
);
5744 * lpfc_init_sgl_list - Allocate and initialize sgl list.
5745 * @phba: pointer to lpfc hba data structure.
5747 * This routine is invoked to allocate and initizlize the driver's sgl
5748 * list and set up the sgl xritag tag array accordingly.
5752 lpfc_init_sgl_list(struct lpfc_hba
*phba
)
5754 /* Initialize and populate the sglq list per host/VF. */
5755 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_sgl_list
);
5756 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
5758 /* els xri-sgl book keeping */
5759 phba
->sli4_hba
.els_xri_cnt
= 0;
5761 /* scsi xri-buffer book keeping */
5762 phba
->sli4_hba
.scsi_xri_cnt
= 0;
5766 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
5767 * @phba: pointer to lpfc hba data structure.
5769 * This routine is invoked to post rpi header templates to the
5770 * port for those SLI4 ports that do not support extents. This routine
5771 * posts a PAGE_SIZE memory region to the port to hold up to
5772 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
5773 * and should be called only when interrupts are disabled.
5777 * -ERROR - otherwise.
5780 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*phba
)
5783 struct lpfc_rpi_hdr
*rpi_hdr
;
5785 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5786 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5788 if (phba
->sli4_hba
.extents_in_use
)
5791 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
5793 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5794 "0391 Error during rpi post operation\n");
5795 lpfc_sli4_remove_rpis(phba
);
5803 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
5804 * @phba: pointer to lpfc hba data structure.
5806 * This routine is invoked to allocate a single 4KB memory region to
5807 * support rpis and stores them in the phba. This single region
5808 * provides support for up to 64 rpis. The region is used globally
5812 * A valid rpi hdr on success.
5813 * A NULL pointer on any failure.
5815 struct lpfc_rpi_hdr
*
5816 lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*phba
)
5818 uint16_t rpi_limit
, curr_rpi_range
;
5819 struct lpfc_dmabuf
*dmabuf
;
5820 struct lpfc_rpi_hdr
*rpi_hdr
;
5824 * If the SLI4 port supports extents, posting the rpi header isn't
5825 * required. Set the expected maximum count and let the actual value
5826 * get set when extents are fully allocated.
5828 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5830 if (phba
->sli4_hba
.extents_in_use
)
5833 /* The limit on the logical index is just the max_rpi count. */
5834 rpi_limit
= phba
->sli4_hba
.max_cfg_param
.rpi_base
+
5835 phba
->sli4_hba
.max_cfg_param
.max_rpi
- 1;
5837 spin_lock_irq(&phba
->hbalock
);
5839 * Establish the starting RPI in this header block. The starting
5840 * rpi is normalized to a zero base because the physical rpi is
5843 curr_rpi_range
= phba
->sli4_hba
.next_rpi
;
5844 spin_unlock_irq(&phba
->hbalock
);
5847 * The port has a limited number of rpis. The increment here
5848 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
5849 * and to allow the full max_rpi range per port.
5851 if ((curr_rpi_range
+ (LPFC_RPI_HDR_COUNT
- 1)) > rpi_limit
)
5852 rpi_count
= rpi_limit
- curr_rpi_range
;
5854 rpi_count
= LPFC_RPI_HDR_COUNT
;
5859 * First allocate the protocol header region for the port. The
5860 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
5862 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
5866 dmabuf
->virt
= dma_zalloc_coherent(&phba
->pcidev
->dev
,
5867 LPFC_HDR_TEMPLATE_SIZE
,
5868 &dmabuf
->phys
, GFP_KERNEL
);
5869 if (!dmabuf
->virt
) {
5871 goto err_free_dmabuf
;
5874 if (!IS_ALIGNED(dmabuf
->phys
, LPFC_HDR_TEMPLATE_SIZE
)) {
5876 goto err_free_coherent
;
5879 /* Save the rpi header data for cleanup later. */
5880 rpi_hdr
= kzalloc(sizeof(struct lpfc_rpi_hdr
), GFP_KERNEL
);
5882 goto err_free_coherent
;
5884 rpi_hdr
->dmabuf
= dmabuf
;
5885 rpi_hdr
->len
= LPFC_HDR_TEMPLATE_SIZE
;
5886 rpi_hdr
->page_count
= 1;
5887 spin_lock_irq(&phba
->hbalock
);
5889 /* The rpi_hdr stores the logical index only. */
5890 rpi_hdr
->start_rpi
= curr_rpi_range
;
5891 list_add_tail(&rpi_hdr
->list
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5894 * The next_rpi stores the next logical module-64 rpi value used
5895 * to post physical rpis in subsequent rpi postings.
5897 phba
->sli4_hba
.next_rpi
+= rpi_count
;
5898 spin_unlock_irq(&phba
->hbalock
);
5902 dma_free_coherent(&phba
->pcidev
->dev
, LPFC_HDR_TEMPLATE_SIZE
,
5903 dmabuf
->virt
, dmabuf
->phys
);
5910 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
5911 * @phba: pointer to lpfc hba data structure.
5913 * This routine is invoked to remove all memory resources allocated
5914 * to support rpis for SLI4 ports not supporting extents. This routine
5915 * presumes the caller has released all rpis consumed by fabric or port
5916 * logins and is prepared to have the header pages removed.
5919 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*phba
)
5921 struct lpfc_rpi_hdr
*rpi_hdr
, *next_rpi_hdr
;
5923 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5926 list_for_each_entry_safe(rpi_hdr
, next_rpi_hdr
,
5927 &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
5928 list_del(&rpi_hdr
->list
);
5929 dma_free_coherent(&phba
->pcidev
->dev
, rpi_hdr
->len
,
5930 rpi_hdr
->dmabuf
->virt
, rpi_hdr
->dmabuf
->phys
);
5931 kfree(rpi_hdr
->dmabuf
);
5935 /* There are no rpis available to the port now. */
5936 phba
->sli4_hba
.next_rpi
= 0;
5940 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
5941 * @pdev: pointer to pci device data structure.
5943 * This routine is invoked to allocate the driver hba data structure for an
5944 * HBA device. If the allocation is successful, the phba reference to the
5945 * PCI device data structure is set.
5948 * pointer to @phba - successful
5951 static struct lpfc_hba
*
5952 lpfc_hba_alloc(struct pci_dev
*pdev
)
5954 struct lpfc_hba
*phba
;
5956 /* Allocate memory for HBA structure */
5957 phba
= kzalloc(sizeof(struct lpfc_hba
), GFP_KERNEL
);
5959 dev_err(&pdev
->dev
, "failed to allocate hba struct\n");
5963 /* Set reference to PCI device in HBA structure */
5964 phba
->pcidev
= pdev
;
5966 /* Assign an unused board number */
5967 phba
->brd_no
= lpfc_get_instance();
5968 if (phba
->brd_no
< 0) {
5973 spin_lock_init(&phba
->ct_ev_lock
);
5974 INIT_LIST_HEAD(&phba
->ct_ev_waiters
);
5980 * lpfc_hba_free - Free driver hba data structure with a device.
5981 * @phba: pointer to lpfc hba data structure.
5983 * This routine is invoked to free the driver hba data structure with an
5987 lpfc_hba_free(struct lpfc_hba
*phba
)
5989 /* Release the driver assigned board number */
5990 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
5992 /* Free memory allocated with sli rings */
5993 kfree(phba
->sli
.ring
);
5994 phba
->sli
.ring
= NULL
;
6001 * lpfc_create_shost - Create hba physical port with associated scsi host.
6002 * @phba: pointer to lpfc hba data structure.
6004 * This routine is invoked to create HBA physical port and associate a SCSI
6009 * other values - error
6012 lpfc_create_shost(struct lpfc_hba
*phba
)
6014 struct lpfc_vport
*vport
;
6015 struct Scsi_Host
*shost
;
6017 /* Initialize HBA FC structure */
6018 phba
->fc_edtov
= FF_DEF_EDTOV
;
6019 phba
->fc_ratov
= FF_DEF_RATOV
;
6020 phba
->fc_altov
= FF_DEF_ALTOV
;
6021 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
6023 atomic_set(&phba
->sdev_cnt
, 0);
6024 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
6028 shost
= lpfc_shost_from_vport(vport
);
6029 phba
->pport
= vport
;
6030 lpfc_debugfs_initialize(vport
);
6031 /* Put reference to SCSI host to driver's device private data */
6032 pci_set_drvdata(phba
->pcidev
, shost
);
6038 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
6039 * @phba: pointer to lpfc hba data structure.
6041 * This routine is invoked to destroy HBA physical port and the associated
6045 lpfc_destroy_shost(struct lpfc_hba
*phba
)
6047 struct lpfc_vport
*vport
= phba
->pport
;
6049 /* Destroy physical port that associated with the SCSI host */
6050 destroy_port(vport
);
6056 * lpfc_setup_bg - Setup Block guard structures and debug areas.
6057 * @phba: pointer to lpfc hba data structure.
6058 * @shost: the shost to be used to detect Block guard settings.
6060 * This routine sets up the local Block guard protocol settings for @shost.
6061 * This routine also allocates memory for debugging bg buffers.
6064 lpfc_setup_bg(struct lpfc_hba
*phba
, struct Scsi_Host
*shost
)
6070 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
6071 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6072 "1478 Registering BlockGuard with the "
6075 old_mask
= lpfc_prot_mask
;
6076 old_guard
= lpfc_prot_guard
;
6078 /* Only allow supported values */
6079 lpfc_prot_mask
&= (SHOST_DIF_TYPE1_PROTECTION
|
6080 SHOST_DIX_TYPE0_PROTECTION
|
6081 SHOST_DIX_TYPE1_PROTECTION
);
6082 lpfc_prot_guard
&= (SHOST_DIX_GUARD_IP
| SHOST_DIX_GUARD_CRC
);
6084 /* DIF Type 1 protection for profiles AST1/C1 is end to end */
6085 if (lpfc_prot_mask
== SHOST_DIX_TYPE1_PROTECTION
)
6086 lpfc_prot_mask
|= SHOST_DIF_TYPE1_PROTECTION
;
6088 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
6089 if ((old_mask
!= lpfc_prot_mask
) ||
6090 (old_guard
!= lpfc_prot_guard
))
6091 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6092 "1475 Registering BlockGuard with the "
6093 "SCSI layer: mask %d guard %d\n",
6094 lpfc_prot_mask
, lpfc_prot_guard
);
6096 scsi_host_set_prot(shost
, lpfc_prot_mask
);
6097 scsi_host_set_guard(shost
, lpfc_prot_guard
);
6099 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6100 "1479 Not Registering BlockGuard with the SCSI "
6101 "layer, Bad protection parameters: %d %d\n",
6102 old_mask
, old_guard
);
6105 if (!_dump_buf_data
) {
6107 spin_lock_init(&_dump_buf_lock
);
6109 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
6110 if (_dump_buf_data
) {
6111 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6112 "9043 BLKGRD: allocated %d pages for "
6113 "_dump_buf_data at 0x%p\n",
6114 (1 << pagecnt
), _dump_buf_data
);
6115 _dump_buf_data_order
= pagecnt
;
6116 memset(_dump_buf_data
, 0,
6117 ((1 << PAGE_SHIFT
) << pagecnt
));
6122 if (!_dump_buf_data_order
)
6123 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6124 "9044 BLKGRD: ERROR unable to allocate "
6125 "memory for hexdump\n");
6127 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6128 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
6129 "\n", _dump_buf_data
);
6130 if (!_dump_buf_dif
) {
6133 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
6134 if (_dump_buf_dif
) {
6135 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6136 "9046 BLKGRD: allocated %d pages for "
6137 "_dump_buf_dif at 0x%p\n",
6138 (1 << pagecnt
), _dump_buf_dif
);
6139 _dump_buf_dif_order
= pagecnt
;
6140 memset(_dump_buf_dif
, 0,
6141 ((1 << PAGE_SHIFT
) << pagecnt
));
6146 if (!_dump_buf_dif_order
)
6147 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6148 "9047 BLKGRD: ERROR unable to allocate "
6149 "memory for hexdump\n");
6151 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
6152 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
6157 * lpfc_post_init_setup - Perform necessary device post initialization setup.
6158 * @phba: pointer to lpfc hba data structure.
6160 * This routine is invoked to perform all the necessary post initialization
6161 * setup for the device.
6164 lpfc_post_init_setup(struct lpfc_hba
*phba
)
6166 struct Scsi_Host
*shost
;
6167 struct lpfc_adapter_event_header adapter_event
;
6169 /* Get the default values for Model Name and Description */
6170 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
6173 * hba setup may have changed the hba_queue_depth so we need to
6174 * adjust the value of can_queue.
6176 shost
= pci_get_drvdata(phba
->pcidev
);
6177 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
6178 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
6179 lpfc_setup_bg(phba
, shost
);
6181 lpfc_host_attrib_init(shost
);
6183 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
6184 spin_lock_irq(shost
->host_lock
);
6185 lpfc_poll_start_timer(phba
);
6186 spin_unlock_irq(shost
->host_lock
);
6189 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6190 "0428 Perform SCSI scan\n");
6191 /* Send board arrival event to upper layer */
6192 adapter_event
.event_type
= FC_REG_ADAPTER_EVENT
;
6193 adapter_event
.subcategory
= LPFC_EVENT_ARRIVAL
;
6194 fc_host_post_vendor_event(shost
, fc_get_event_number(),
6195 sizeof(adapter_event
),
6196 (char *) &adapter_event
,
6202 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
6203 * @phba: pointer to lpfc hba data structure.
6205 * This routine is invoked to set up the PCI device memory space for device
6206 * with SLI-3 interface spec.
6210 * other values - error
6213 lpfc_sli_pci_mem_setup(struct lpfc_hba
*phba
)
6215 struct pci_dev
*pdev
;
6216 unsigned long bar0map_len
, bar2map_len
;
6219 int error
= -ENODEV
;
6221 /* Obtain PCI device reference */
6225 pdev
= phba
->pcidev
;
6227 /* Set the device DMA mask size */
6228 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
6229 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
6230 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
6231 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
6236 /* Get the bus address of Bar0 and Bar2 and the number of bytes
6237 * required by each mapping.
6239 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
6240 bar0map_len
= pci_resource_len(pdev
, 0);
6242 phba
->pci_bar2_map
= pci_resource_start(pdev
, 2);
6243 bar2map_len
= pci_resource_len(pdev
, 2);
6245 /* Map HBA SLIM to a kernel virtual address. */
6246 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
6247 if (!phba
->slim_memmap_p
) {
6248 dev_printk(KERN_ERR
, &pdev
->dev
,
6249 "ioremap failed for SLIM memory.\n");
6253 /* Map HBA Control Registers to a kernel virtual address. */
6254 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
6255 if (!phba
->ctrl_regs_memmap_p
) {
6256 dev_printk(KERN_ERR
, &pdev
->dev
,
6257 "ioremap failed for HBA control registers.\n");
6258 goto out_iounmap_slim
;
6261 /* Allocate memory for SLI-2 structures */
6262 phba
->slim2p
.virt
= dma_zalloc_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
6263 &phba
->slim2p
.phys
, GFP_KERNEL
);
6264 if (!phba
->slim2p
.virt
)
6267 phba
->mbox
= phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, mbx
);
6268 phba
->mbox_ext
= (phba
->slim2p
.virt
+
6269 offsetof(struct lpfc_sli2_slim
, mbx_ext_words
));
6270 phba
->pcb
= (phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, pcb
));
6271 phba
->IOCBs
= (phba
->slim2p
.virt
+
6272 offsetof(struct lpfc_sli2_slim
, IOCBs
));
6274 phba
->hbqslimp
.virt
= dma_alloc_coherent(&pdev
->dev
,
6275 lpfc_sli_hbq_size(),
6276 &phba
->hbqslimp
.phys
,
6278 if (!phba
->hbqslimp
.virt
)
6281 hbq_count
= lpfc_sli_hbq_count();
6282 ptr
= phba
->hbqslimp
.virt
;
6283 for (i
= 0; i
< hbq_count
; ++i
) {
6284 phba
->hbqs
[i
].hbq_virt
= ptr
;
6285 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
6286 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
6287 sizeof(struct lpfc_hbq_entry
));
6289 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
6290 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
6292 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
6294 INIT_LIST_HEAD(&phba
->rb_pend_list
);
6296 phba
->MBslimaddr
= phba
->slim_memmap_p
;
6297 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
6298 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
6299 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
6300 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
6305 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
6306 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
6308 iounmap(phba
->ctrl_regs_memmap_p
);
6310 iounmap(phba
->slim_memmap_p
);
6316 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
6317 * @phba: pointer to lpfc hba data structure.
6319 * This routine is invoked to unset the PCI device memory space for device
6320 * with SLI-3 interface spec.
6323 lpfc_sli_pci_mem_unset(struct lpfc_hba
*phba
)
6325 struct pci_dev
*pdev
;
6327 /* Obtain PCI device reference */
6331 pdev
= phba
->pcidev
;
6333 /* Free coherent DMA memory allocated */
6334 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
6335 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
6336 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
6337 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
6339 /* I/O memory unmap */
6340 iounmap(phba
->ctrl_regs_memmap_p
);
6341 iounmap(phba
->slim_memmap_p
);
6347 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
6348 * @phba: pointer to lpfc hba data structure.
6350 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
6351 * done and check status.
6353 * Return 0 if successful, otherwise -ENODEV.
6356 lpfc_sli4_post_status_check(struct lpfc_hba
*phba
)
6358 struct lpfc_register portsmphr_reg
, uerrlo_reg
, uerrhi_reg
;
6359 struct lpfc_register reg_data
;
6360 int i
, port_error
= 0;
6363 memset(&portsmphr_reg
, 0, sizeof(portsmphr_reg
));
6364 memset(®_data
, 0, sizeof(reg_data
));
6365 if (!phba
->sli4_hba
.PSMPHRregaddr
)
6368 /* Wait up to 30 seconds for the SLI Port POST done and ready */
6369 for (i
= 0; i
< 3000; i
++) {
6370 if (lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
6371 &portsmphr_reg
.word0
) ||
6372 (bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
))) {
6373 /* Port has a fatal POST error, break out */
6374 port_error
= -ENODEV
;
6377 if (LPFC_POST_STAGE_PORT_READY
==
6378 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
))
6384 * If there was a port error during POST, then don't proceed with
6385 * other register reads as the data may not be valid. Just exit.
6388 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6389 "1408 Port Failed POST - portsmphr=0x%x, "
6390 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
6391 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
6392 portsmphr_reg
.word0
,
6393 bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
),
6394 bf_get(lpfc_port_smphr_sfi
, &portsmphr_reg
),
6395 bf_get(lpfc_port_smphr_nip
, &portsmphr_reg
),
6396 bf_get(lpfc_port_smphr_ipc
, &portsmphr_reg
),
6397 bf_get(lpfc_port_smphr_scr1
, &portsmphr_reg
),
6398 bf_get(lpfc_port_smphr_scr2
, &portsmphr_reg
),
6399 bf_get(lpfc_port_smphr_host_scratch
, &portsmphr_reg
),
6400 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
));
6402 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6403 "2534 Device Info: SLIFamily=0x%x, "
6404 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
6405 "SLIHint_2=0x%x, FT=0x%x\n",
6406 bf_get(lpfc_sli_intf_sli_family
,
6407 &phba
->sli4_hba
.sli_intf
),
6408 bf_get(lpfc_sli_intf_slirev
,
6409 &phba
->sli4_hba
.sli_intf
),
6410 bf_get(lpfc_sli_intf_if_type
,
6411 &phba
->sli4_hba
.sli_intf
),
6412 bf_get(lpfc_sli_intf_sli_hint1
,
6413 &phba
->sli4_hba
.sli_intf
),
6414 bf_get(lpfc_sli_intf_sli_hint2
,
6415 &phba
->sli4_hba
.sli_intf
),
6416 bf_get(lpfc_sli_intf_func_type
,
6417 &phba
->sli4_hba
.sli_intf
));
6419 * Check for other Port errors during the initialization
6420 * process. Fail the load if the port did not come up
6423 if_type
= bf_get(lpfc_sli_intf_if_type
,
6424 &phba
->sli4_hba
.sli_intf
);
6426 case LPFC_SLI_INTF_IF_TYPE_0
:
6427 phba
->sli4_hba
.ue_mask_lo
=
6428 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
);
6429 phba
->sli4_hba
.ue_mask_hi
=
6430 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
);
6432 readl(phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
);
6434 readl(phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
);
6435 if ((~phba
->sli4_hba
.ue_mask_lo
& uerrlo_reg
.word0
) ||
6436 (~phba
->sli4_hba
.ue_mask_hi
& uerrhi_reg
.word0
)) {
6437 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6438 "1422 Unrecoverable Error "
6439 "Detected during POST "
6440 "uerr_lo_reg=0x%x, "
6441 "uerr_hi_reg=0x%x, "
6442 "ue_mask_lo_reg=0x%x, "
6443 "ue_mask_hi_reg=0x%x\n",
6446 phba
->sli4_hba
.ue_mask_lo
,
6447 phba
->sli4_hba
.ue_mask_hi
);
6448 port_error
= -ENODEV
;
6451 case LPFC_SLI_INTF_IF_TYPE_2
:
6452 /* Final checks. The port status should be clean. */
6453 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
6455 (bf_get(lpfc_sliport_status_err
, ®_data
) &&
6456 !bf_get(lpfc_sliport_status_rn
, ®_data
))) {
6457 phba
->work_status
[0] =
6458 readl(phba
->sli4_hba
.u
.if_type2
.
6460 phba
->work_status
[1] =
6461 readl(phba
->sli4_hba
.u
.if_type2
.
6463 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6464 "2888 Unrecoverable port error "
6465 "following POST: port status reg "
6466 "0x%x, port_smphr reg 0x%x, "
6467 "error 1=0x%x, error 2=0x%x\n",
6469 portsmphr_reg
.word0
,
6470 phba
->work_status
[0],
6471 phba
->work_status
[1]);
6472 port_error
= -ENODEV
;
6475 case LPFC_SLI_INTF_IF_TYPE_1
:
6484 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
6485 * @phba: pointer to lpfc hba data structure.
6486 * @if_type: The SLI4 interface type getting configured.
6488 * This routine is invoked to set up SLI4 BAR0 PCI config space register
6492 lpfc_sli4_bar0_register_memmap(struct lpfc_hba
*phba
, uint32_t if_type
)
6495 case LPFC_SLI_INTF_IF_TYPE_0
:
6496 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
=
6497 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_LO
;
6498 phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
=
6499 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_HI
;
6500 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
=
6501 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_LO
;
6502 phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
=
6503 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_HI
;
6504 phba
->sli4_hba
.SLIINTFregaddr
=
6505 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
6507 case LPFC_SLI_INTF_IF_TYPE_2
:
6508 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
=
6509 phba
->sli4_hba
.conf_regs_memmap_p
+
6510 LPFC_CTL_PORT_ER1_OFFSET
;
6511 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
=
6512 phba
->sli4_hba
.conf_regs_memmap_p
+
6513 LPFC_CTL_PORT_ER2_OFFSET
;
6514 phba
->sli4_hba
.u
.if_type2
.CTRLregaddr
=
6515 phba
->sli4_hba
.conf_regs_memmap_p
+
6516 LPFC_CTL_PORT_CTL_OFFSET
;
6517 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
=
6518 phba
->sli4_hba
.conf_regs_memmap_p
+
6519 LPFC_CTL_PORT_STA_OFFSET
;
6520 phba
->sli4_hba
.SLIINTFregaddr
=
6521 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
6522 phba
->sli4_hba
.PSMPHRregaddr
=
6523 phba
->sli4_hba
.conf_regs_memmap_p
+
6524 LPFC_CTL_PORT_SEM_OFFSET
;
6525 phba
->sli4_hba
.RQDBregaddr
=
6526 phba
->sli4_hba
.conf_regs_memmap_p
+
6527 LPFC_ULP0_RQ_DOORBELL
;
6528 phba
->sli4_hba
.WQDBregaddr
=
6529 phba
->sli4_hba
.conf_regs_memmap_p
+
6530 LPFC_ULP0_WQ_DOORBELL
;
6531 phba
->sli4_hba
.EQCQDBregaddr
=
6532 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_EQCQ_DOORBELL
;
6533 phba
->sli4_hba
.MQDBregaddr
=
6534 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_MQ_DOORBELL
;
6535 phba
->sli4_hba
.BMBXregaddr
=
6536 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_BMBX
;
6538 case LPFC_SLI_INTF_IF_TYPE_1
:
6540 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
6541 "FATAL - unsupported SLI4 interface type - %d\n",
6548 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
6549 * @phba: pointer to lpfc hba data structure.
6551 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
6555 lpfc_sli4_bar1_register_memmap(struct lpfc_hba
*phba
)
6557 phba
->sli4_hba
.PSMPHRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6558 LPFC_SLIPORT_IF0_SMPHR
;
6559 phba
->sli4_hba
.ISRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6561 phba
->sli4_hba
.IMRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6563 phba
->sli4_hba
.ISCRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
6568 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
6569 * @phba: pointer to lpfc hba data structure.
6570 * @vf: virtual function number
6572 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
6573 * based on the given viftual function number, @vf.
6575 * Return 0 if successful, otherwise -ENODEV.
6578 lpfc_sli4_bar2_register_memmap(struct lpfc_hba
*phba
, uint32_t vf
)
6580 if (vf
> LPFC_VIR_FUNC_MAX
)
6583 phba
->sli4_hba
.RQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6584 vf
* LPFC_VFR_PAGE_SIZE
+
6585 LPFC_ULP0_RQ_DOORBELL
);
6586 phba
->sli4_hba
.WQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6587 vf
* LPFC_VFR_PAGE_SIZE
+
6588 LPFC_ULP0_WQ_DOORBELL
);
6589 phba
->sli4_hba
.EQCQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6590 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_EQCQ_DOORBELL
);
6591 phba
->sli4_hba
.MQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6592 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_MQ_DOORBELL
);
6593 phba
->sli4_hba
.BMBXregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
6594 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_BMBX
);
6599 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
6600 * @phba: pointer to lpfc hba data structure.
6602 * This routine is invoked to create the bootstrap mailbox
6603 * region consistent with the SLI-4 interface spec. This
6604 * routine allocates all memory necessary to communicate
6605 * mailbox commands to the port and sets up all alignment
6606 * needs. No locks are expected to be held when calling
6611 * -ENOMEM - could not allocated memory.
6614 lpfc_create_bootstrap_mbox(struct lpfc_hba
*phba
)
6617 struct lpfc_dmabuf
*dmabuf
;
6618 struct dma_address
*dma_address
;
6622 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
6627 * The bootstrap mailbox region is comprised of 2 parts
6628 * plus an alignment restriction of 16 bytes.
6630 bmbx_size
= sizeof(struct lpfc_bmbx_create
) + (LPFC_ALIGN_16_BYTE
- 1);
6631 dmabuf
->virt
= dma_zalloc_coherent(&phba
->pcidev
->dev
, bmbx_size
,
6632 &dmabuf
->phys
, GFP_KERNEL
);
6633 if (!dmabuf
->virt
) {
6639 * Initialize the bootstrap mailbox pointers now so that the register
6640 * operations are simple later. The mailbox dma address is required
6641 * to be 16-byte aligned. Also align the virtual memory as each
6642 * maibox is copied into the bmbx mailbox region before issuing the
6643 * command to the port.
6645 phba
->sli4_hba
.bmbx
.dmabuf
= dmabuf
;
6646 phba
->sli4_hba
.bmbx
.bmbx_size
= bmbx_size
;
6648 phba
->sli4_hba
.bmbx
.avirt
= PTR_ALIGN(dmabuf
->virt
,
6649 LPFC_ALIGN_16_BYTE
);
6650 phba
->sli4_hba
.bmbx
.aphys
= ALIGN(dmabuf
->phys
,
6651 LPFC_ALIGN_16_BYTE
);
6654 * Set the high and low physical addresses now. The SLI4 alignment
6655 * requirement is 16 bytes and the mailbox is posted to the port
6656 * as two 30-bit addresses. The other data is a bit marking whether
6657 * the 30-bit address is the high or low address.
6658 * Upcast bmbx aphys to 64bits so shift instruction compiles
6659 * clean on 32 bit machines.
6661 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
6662 phys_addr
= (uint64_t)phba
->sli4_hba
.bmbx
.aphys
;
6663 pa_addr
= (uint32_t) ((phys_addr
>> 34) & 0x3fffffff);
6664 dma_address
->addr_hi
= (uint32_t) ((pa_addr
<< 2) |
6665 LPFC_BMBX_BIT1_ADDR_HI
);
6667 pa_addr
= (uint32_t) ((phba
->sli4_hba
.bmbx
.aphys
>> 4) & 0x3fffffff);
6668 dma_address
->addr_lo
= (uint32_t) ((pa_addr
<< 2) |
6669 LPFC_BMBX_BIT1_ADDR_LO
);
6674 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
6675 * @phba: pointer to lpfc hba data structure.
6677 * This routine is invoked to teardown the bootstrap mailbox
6678 * region and release all host resources. This routine requires
6679 * the caller to ensure all mailbox commands recovered, no
6680 * additional mailbox comands are sent, and interrupts are disabled
6681 * before calling this routine.
6685 lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*phba
)
6687 dma_free_coherent(&phba
->pcidev
->dev
,
6688 phba
->sli4_hba
.bmbx
.bmbx_size
,
6689 phba
->sli4_hba
.bmbx
.dmabuf
->virt
,
6690 phba
->sli4_hba
.bmbx
.dmabuf
->phys
);
6692 kfree(phba
->sli4_hba
.bmbx
.dmabuf
);
6693 memset(&phba
->sli4_hba
.bmbx
, 0, sizeof(struct lpfc_bmbx
));
6697 * lpfc_sli4_read_config - Get the config parameters.
6698 * @phba: pointer to lpfc hba data structure.
6700 * This routine is invoked to read the configuration parameters from the HBA.
6701 * The configuration parameters are used to set the base and maximum values
6702 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
6703 * allocation for the port.
6707 * -ENOMEM - No available memory
6708 * -EIO - The mailbox failed to complete successfully.
6711 lpfc_sli4_read_config(struct lpfc_hba
*phba
)
6714 struct lpfc_mbx_read_config
*rd_config
;
6715 union lpfc_sli4_cfg_shdr
*shdr
;
6716 uint32_t shdr_status
, shdr_add_status
;
6717 struct lpfc_mbx_get_func_cfg
*get_func_cfg
;
6718 struct lpfc_rsrc_desc_fcfcoe
*desc
;
6720 uint32_t desc_count
;
6721 int length
, i
, rc
= 0, rc2
;
6723 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
6725 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6726 "2011 Unable to allocate memory for issuing "
6727 "SLI_CONFIG_SPECIAL mailbox command\n");
6731 lpfc_read_config(phba
, pmb
);
6733 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6734 if (rc
!= MBX_SUCCESS
) {
6735 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6736 "2012 Mailbox failed , mbxCmd x%x "
6737 "READ_CONFIG, mbxStatus x%x\n",
6738 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6739 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6742 rd_config
= &pmb
->u
.mqe
.un
.rd_config
;
6743 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv
, rd_config
)) {
6744 phba
->sli4_hba
.lnk_info
.lnk_dv
= LPFC_LNK_DAT_VAL
;
6745 phba
->sli4_hba
.lnk_info
.lnk_tp
=
6746 bf_get(lpfc_mbx_rd_conf_lnk_type
, rd_config
);
6747 phba
->sli4_hba
.lnk_info
.lnk_no
=
6748 bf_get(lpfc_mbx_rd_conf_lnk_numb
, rd_config
);
6749 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6750 "3081 lnk_type:%d, lnk_numb:%d\n",
6751 phba
->sli4_hba
.lnk_info
.lnk_tp
,
6752 phba
->sli4_hba
.lnk_info
.lnk_no
);
6754 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
6755 "3082 Mailbox (x%x) returned ldv:x0\n",
6756 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
));
6757 phba
->sli4_hba
.extents_in_use
=
6758 bf_get(lpfc_mbx_rd_conf_extnts_inuse
, rd_config
);
6759 phba
->sli4_hba
.max_cfg_param
.max_xri
=
6760 bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
6761 phba
->sli4_hba
.max_cfg_param
.xri_base
=
6762 bf_get(lpfc_mbx_rd_conf_xri_base
, rd_config
);
6763 phba
->sli4_hba
.max_cfg_param
.max_vpi
=
6764 bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
);
6765 phba
->sli4_hba
.max_cfg_param
.vpi_base
=
6766 bf_get(lpfc_mbx_rd_conf_vpi_base
, rd_config
);
6767 phba
->sli4_hba
.max_cfg_param
.max_rpi
=
6768 bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
6769 phba
->sli4_hba
.max_cfg_param
.rpi_base
=
6770 bf_get(lpfc_mbx_rd_conf_rpi_base
, rd_config
);
6771 phba
->sli4_hba
.max_cfg_param
.max_vfi
=
6772 bf_get(lpfc_mbx_rd_conf_vfi_count
, rd_config
);
6773 phba
->sli4_hba
.max_cfg_param
.vfi_base
=
6774 bf_get(lpfc_mbx_rd_conf_vfi_base
, rd_config
);
6775 phba
->sli4_hba
.max_cfg_param
.max_fcfi
=
6776 bf_get(lpfc_mbx_rd_conf_fcfi_count
, rd_config
);
6777 phba
->sli4_hba
.max_cfg_param
.max_eq
=
6778 bf_get(lpfc_mbx_rd_conf_eq_count
, rd_config
);
6779 phba
->sli4_hba
.max_cfg_param
.max_rq
=
6780 bf_get(lpfc_mbx_rd_conf_rq_count
, rd_config
);
6781 phba
->sli4_hba
.max_cfg_param
.max_wq
=
6782 bf_get(lpfc_mbx_rd_conf_wq_count
, rd_config
);
6783 phba
->sli4_hba
.max_cfg_param
.max_cq
=
6784 bf_get(lpfc_mbx_rd_conf_cq_count
, rd_config
);
6785 phba
->lmt
= bf_get(lpfc_mbx_rd_conf_lmt
, rd_config
);
6786 phba
->sli4_hba
.next_xri
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
6787 phba
->vpi_base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
6788 phba
->vfi_base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
6789 phba
->max_vpi
= (phba
->sli4_hba
.max_cfg_param
.max_vpi
> 0) ?
6790 (phba
->sli4_hba
.max_cfg_param
.max_vpi
- 1) : 0;
6791 phba
->max_vports
= phba
->max_vpi
;
6792 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6793 "2003 cfg params Extents? %d "
6799 phba
->sli4_hba
.extents_in_use
,
6800 phba
->sli4_hba
.max_cfg_param
.xri_base
,
6801 phba
->sli4_hba
.max_cfg_param
.max_xri
,
6802 phba
->sli4_hba
.max_cfg_param
.vpi_base
,
6803 phba
->sli4_hba
.max_cfg_param
.max_vpi
,
6804 phba
->sli4_hba
.max_cfg_param
.vfi_base
,
6805 phba
->sli4_hba
.max_cfg_param
.max_vfi
,
6806 phba
->sli4_hba
.max_cfg_param
.rpi_base
,
6807 phba
->sli4_hba
.max_cfg_param
.max_rpi
,
6808 phba
->sli4_hba
.max_cfg_param
.max_fcfi
);
6814 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
6815 length
= phba
->sli4_hba
.max_cfg_param
.max_xri
-
6816 lpfc_sli4_get_els_iocb_cnt(phba
);
6817 if (phba
->cfg_hba_queue_depth
> length
) {
6818 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6819 "3361 HBA queue depth changed from %d to %d\n",
6820 phba
->cfg_hba_queue_depth
, length
);
6821 phba
->cfg_hba_queue_depth
= length
;
6824 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
6825 LPFC_SLI_INTF_IF_TYPE_2
)
6828 /* get the pf# and vf# for SLI4 if_type 2 port */
6829 length
= (sizeof(struct lpfc_mbx_get_func_cfg
) -
6830 sizeof(struct lpfc_sli4_cfg_mhdr
));
6831 lpfc_sli4_config(phba
, pmb
, LPFC_MBOX_SUBSYSTEM_COMMON
,
6832 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG
,
6833 length
, LPFC_SLI4_MBX_EMBED
);
6835 rc2
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6836 shdr
= (union lpfc_sli4_cfg_shdr
*)
6837 &pmb
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
6838 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
6839 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
6840 if (rc2
|| shdr_status
|| shdr_add_status
) {
6841 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6842 "3026 Mailbox failed , mbxCmd x%x "
6843 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
6844 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6845 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6849 /* search for fc_fcoe resrouce descriptor */
6850 get_func_cfg
= &pmb
->u
.mqe
.un
.get_func_cfg
;
6851 desc_count
= get_func_cfg
->func_cfg
.rsrc_desc_count
;
6853 pdesc_0
= (char *)&get_func_cfg
->func_cfg
.desc
[0];
6854 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)pdesc_0
;
6855 length
= bf_get(lpfc_rsrc_desc_fcfcoe_length
, desc
);
6856 if (length
== LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD
)
6857 length
= LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH
;
6858 else if (length
!= LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH
)
6861 for (i
= 0; i
< LPFC_RSRC_DESC_MAX_NUM
; i
++) {
6862 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)(pdesc_0
+ length
* i
);
6863 if (LPFC_RSRC_DESC_TYPE_FCFCOE
==
6864 bf_get(lpfc_rsrc_desc_fcfcoe_type
, desc
)) {
6865 phba
->sli4_hba
.iov
.pf_number
=
6866 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum
, desc
);
6867 phba
->sli4_hba
.iov
.vf_number
=
6868 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum
, desc
);
6873 if (i
< LPFC_RSRC_DESC_MAX_NUM
)
6874 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6875 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
6876 "vf_number:%d\n", phba
->sli4_hba
.iov
.pf_number
,
6877 phba
->sli4_hba
.iov
.vf_number
);
6879 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6880 "3028 GET_FUNCTION_CONFIG: failed to find "
6881 "Resrouce Descriptor:x%x\n",
6882 LPFC_RSRC_DESC_TYPE_FCFCOE
);
6885 mempool_free(pmb
, phba
->mbox_mem_pool
);
6890 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
6891 * @phba: pointer to lpfc hba data structure.
6893 * This routine is invoked to setup the port-side endian order when
6894 * the port if_type is 0. This routine has no function for other
6899 * -ENOMEM - No available memory
6900 * -EIO - The mailbox failed to complete successfully.
6903 lpfc_setup_endian_order(struct lpfc_hba
*phba
)
6905 LPFC_MBOXQ_t
*mboxq
;
6906 uint32_t if_type
, rc
= 0;
6907 uint32_t endian_mb_data
[2] = {HOST_ENDIAN_LOW_WORD0
,
6908 HOST_ENDIAN_HIGH_WORD1
};
6910 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
6912 case LPFC_SLI_INTF_IF_TYPE_0
:
6913 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
6916 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6917 "0492 Unable to allocate memory for "
6918 "issuing SLI_CONFIG_SPECIAL mailbox "
6924 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
6925 * two words to contain special data values and no other data.
6927 memset(mboxq
, 0, sizeof(LPFC_MBOXQ_t
));
6928 memcpy(&mboxq
->u
.mqe
, &endian_mb_data
, sizeof(endian_mb_data
));
6929 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6930 if (rc
!= MBX_SUCCESS
) {
6931 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6932 "0493 SLI_CONFIG_SPECIAL mailbox "
6933 "failed with status x%x\n",
6937 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6939 case LPFC_SLI_INTF_IF_TYPE_2
:
6940 case LPFC_SLI_INTF_IF_TYPE_1
:
6948 * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
6949 * @phba: pointer to lpfc hba data structure.
6951 * This routine is invoked to check the user settable queue counts for EQs and
6952 * CQs. after this routine is called the counts will be set to valid values that
6953 * adhere to the constraints of the system's interrupt vectors and the port's
6958 * -ENOMEM - No available memory
6961 lpfc_sli4_queue_verify(struct lpfc_hba
*phba
)
6963 int cfg_fcp_io_channel
;
6966 int fof_vectors
= phba
->cfg_fof
? 1 : 0;
6969 * Sanity check for configured queue parameters against the run-time
6973 /* Sanity check on HBA EQ parameters */
6974 cfg_fcp_io_channel
= phba
->cfg_fcp_io_channel
;
6976 /* It doesn't make sense to have more io channels then online CPUs */
6977 for_each_present_cpu(cpu
) {
6978 if (cpu_online(cpu
))
6981 phba
->sli4_hba
.num_online_cpu
= i
;
6982 phba
->sli4_hba
.num_present_cpu
= lpfc_present_cpu
;
6983 phba
->sli4_hba
.curr_disp_cpu
= 0;
6985 if (i
< cfg_fcp_io_channel
) {
6986 lpfc_printf_log(phba
,
6988 "3188 Reducing IO channels to match number of "
6989 "online CPUs: from %d to %d\n",
6990 cfg_fcp_io_channel
, i
);
6991 cfg_fcp_io_channel
= i
;
6994 if (cfg_fcp_io_channel
+ fof_vectors
>
6995 phba
->sli4_hba
.max_cfg_param
.max_eq
) {
6996 if (phba
->sli4_hba
.max_cfg_param
.max_eq
<
6997 LPFC_FCP_IO_CHAN_MIN
) {
6998 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6999 "2574 Not enough EQs (%d) from the "
7000 "pci function for supporting FCP "
7002 phba
->sli4_hba
.max_cfg_param
.max_eq
,
7003 phba
->cfg_fcp_io_channel
);
7006 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7007 "2575 Reducing IO channels to match number of "
7008 "available EQs: from %d to %d\n",
7010 phba
->sli4_hba
.max_cfg_param
.max_eq
);
7011 cfg_fcp_io_channel
= phba
->sli4_hba
.max_cfg_param
.max_eq
-
7015 /* The actual number of FCP event queues adopted */
7016 phba
->cfg_fcp_io_channel
= cfg_fcp_io_channel
;
7018 /* Get EQ depth from module parameter, fake the default for now */
7019 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
7020 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
7022 /* Get CQ depth from module parameter, fake the default for now */
7023 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
7024 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
7032 * lpfc_sli4_queue_create - Create all the SLI4 queues
7033 * @phba: pointer to lpfc hba data structure.
7035 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
7036 * operation. For each SLI4 queue type, the parameters such as queue entry
7037 * count (queue depth) shall be taken from the module parameter. For now,
7038 * we just use some constant number as place holder.
7042 * -ENOMEM - No availble memory
7043 * -EIO - The mailbox failed to complete successfully.
7046 lpfc_sli4_queue_create(struct lpfc_hba
*phba
)
7048 struct lpfc_queue
*qdesc
;
7052 * Create HBA Record arrays.
7054 if (!phba
->cfg_fcp_io_channel
)
7057 phba
->sli4_hba
.mq_esize
= LPFC_MQE_SIZE
;
7058 phba
->sli4_hba
.mq_ecount
= LPFC_MQE_DEF_COUNT
;
7059 phba
->sli4_hba
.wq_esize
= LPFC_WQE_SIZE
;
7060 phba
->sli4_hba
.wq_ecount
= LPFC_WQE_DEF_COUNT
;
7061 phba
->sli4_hba
.rq_esize
= LPFC_RQE_SIZE
;
7062 phba
->sli4_hba
.rq_ecount
= LPFC_RQE_DEF_COUNT
;
7064 phba
->sli4_hba
.hba_eq
= kzalloc((sizeof(struct lpfc_queue
*) *
7065 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
7066 if (!phba
->sli4_hba
.hba_eq
) {
7067 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7068 "2576 Failed allocate memory for "
7069 "fast-path EQ record array\n");
7073 phba
->sli4_hba
.fcp_cq
= kzalloc((sizeof(struct lpfc_queue
*) *
7074 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
7075 if (!phba
->sli4_hba
.fcp_cq
) {
7076 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7077 "2577 Failed allocate memory for fast-path "
7078 "CQ record array\n");
7082 phba
->sli4_hba
.fcp_wq
= kzalloc((sizeof(struct lpfc_queue
*) *
7083 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
7084 if (!phba
->sli4_hba
.fcp_wq
) {
7085 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7086 "2578 Failed allocate memory for fast-path "
7087 "WQ record array\n");
7092 * Since the first EQ can have multiple CQs associated with it,
7093 * this array is used to quickly see if we have a FCP fast-path
7096 phba
->sli4_hba
.fcp_cq_map
= kzalloc((sizeof(uint16_t) *
7097 phba
->cfg_fcp_io_channel
), GFP_KERNEL
);
7098 if (!phba
->sli4_hba
.fcp_cq_map
) {
7099 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7100 "2545 Failed allocate memory for fast-path "
7106 * Create HBA Event Queues (EQs). The cfg_fcp_io_channel specifies
7107 * how many EQs to create.
7109 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
7112 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
7113 phba
->sli4_hba
.eq_ecount
);
7115 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7116 "0497 Failed allocate EQ (%d)\n", idx
);
7119 phba
->sli4_hba
.hba_eq
[idx
] = qdesc
;
7121 /* Create Fast Path FCP CQs */
7122 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
7123 phba
->sli4_hba
.cq_ecount
);
7125 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7126 "0499 Failed allocate fast-path FCP "
7130 phba
->sli4_hba
.fcp_cq
[idx
] = qdesc
;
7132 /* Create Fast Path FCP WQs */
7133 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
7134 phba
->sli4_hba
.wq_ecount
);
7136 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7137 "0503 Failed allocate fast-path FCP "
7141 phba
->sli4_hba
.fcp_wq
[idx
] = qdesc
;
7146 * Create Slow Path Completion Queues (CQs)
7149 /* Create slow-path Mailbox Command Complete Queue */
7150 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
7151 phba
->sli4_hba
.cq_ecount
);
7153 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7154 "0500 Failed allocate slow-path mailbox CQ\n");
7157 phba
->sli4_hba
.mbx_cq
= qdesc
;
7159 /* Create slow-path ELS Complete Queue */
7160 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
7161 phba
->sli4_hba
.cq_ecount
);
7163 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7164 "0501 Failed allocate slow-path ELS CQ\n");
7167 phba
->sli4_hba
.els_cq
= qdesc
;
7171 * Create Slow Path Work Queues (WQs)
7174 /* Create Mailbox Command Queue */
7176 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.mq_esize
,
7177 phba
->sli4_hba
.mq_ecount
);
7179 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7180 "0505 Failed allocate slow-path MQ\n");
7183 phba
->sli4_hba
.mbx_wq
= qdesc
;
7186 * Create ELS Work Queues
7189 /* Create slow-path ELS Work Queue */
7190 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
7191 phba
->sli4_hba
.wq_ecount
);
7193 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7194 "0504 Failed allocate slow-path ELS WQ\n");
7197 phba
->sli4_hba
.els_wq
= qdesc
;
7200 * Create Receive Queue (RQ)
7203 /* Create Receive Queue for header */
7204 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
7205 phba
->sli4_hba
.rq_ecount
);
7207 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7208 "0506 Failed allocate receive HRQ\n");
7211 phba
->sli4_hba
.hdr_rq
= qdesc
;
7213 /* Create Receive Queue for data */
7214 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
7215 phba
->sli4_hba
.rq_ecount
);
7217 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7218 "0507 Failed allocate receive DRQ\n");
7221 phba
->sli4_hba
.dat_rq
= qdesc
;
7223 /* Create the Queues needed for Flash Optimized Fabric operations */
7225 lpfc_fof_queue_create(phba
);
7229 lpfc_sli4_queue_destroy(phba
);
7234 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
7235 * @phba: pointer to lpfc hba data structure.
7237 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
7242 * -ENOMEM - No available memory
7243 * -EIO - The mailbox failed to complete successfully.
7246 lpfc_sli4_queue_destroy(struct lpfc_hba
*phba
)
7251 lpfc_fof_queue_destroy(phba
);
7253 if (phba
->sli4_hba
.hba_eq
!= NULL
) {
7254 /* Release HBA event queue */
7255 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
7256 if (phba
->sli4_hba
.hba_eq
[idx
] != NULL
) {
7257 lpfc_sli4_queue_free(
7258 phba
->sli4_hba
.hba_eq
[idx
]);
7259 phba
->sli4_hba
.hba_eq
[idx
] = NULL
;
7262 kfree(phba
->sli4_hba
.hba_eq
);
7263 phba
->sli4_hba
.hba_eq
= NULL
;
7266 if (phba
->sli4_hba
.fcp_cq
!= NULL
) {
7267 /* Release FCP completion queue */
7268 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
7269 if (phba
->sli4_hba
.fcp_cq
[idx
] != NULL
) {
7270 lpfc_sli4_queue_free(
7271 phba
->sli4_hba
.fcp_cq
[idx
]);
7272 phba
->sli4_hba
.fcp_cq
[idx
] = NULL
;
7275 kfree(phba
->sli4_hba
.fcp_cq
);
7276 phba
->sli4_hba
.fcp_cq
= NULL
;
7279 if (phba
->sli4_hba
.fcp_wq
!= NULL
) {
7280 /* Release FCP work queue */
7281 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++) {
7282 if (phba
->sli4_hba
.fcp_wq
[idx
] != NULL
) {
7283 lpfc_sli4_queue_free(
7284 phba
->sli4_hba
.fcp_wq
[idx
]);
7285 phba
->sli4_hba
.fcp_wq
[idx
] = NULL
;
7288 kfree(phba
->sli4_hba
.fcp_wq
);
7289 phba
->sli4_hba
.fcp_wq
= NULL
;
7292 /* Release FCP CQ mapping array */
7293 if (phba
->sli4_hba
.fcp_cq_map
!= NULL
) {
7294 kfree(phba
->sli4_hba
.fcp_cq_map
);
7295 phba
->sli4_hba
.fcp_cq_map
= NULL
;
7298 /* Release mailbox command work queue */
7299 if (phba
->sli4_hba
.mbx_wq
!= NULL
) {
7300 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
7301 phba
->sli4_hba
.mbx_wq
= NULL
;
7304 /* Release ELS work queue */
7305 if (phba
->sli4_hba
.els_wq
!= NULL
) {
7306 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
7307 phba
->sli4_hba
.els_wq
= NULL
;
7310 /* Release unsolicited receive queue */
7311 if (phba
->sli4_hba
.hdr_rq
!= NULL
) {
7312 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
7313 phba
->sli4_hba
.hdr_rq
= NULL
;
7315 if (phba
->sli4_hba
.dat_rq
!= NULL
) {
7316 lpfc_sli4_queue_free(phba
->sli4_hba
.dat_rq
);
7317 phba
->sli4_hba
.dat_rq
= NULL
;
7320 /* Release ELS complete queue */
7321 if (phba
->sli4_hba
.els_cq
!= NULL
) {
7322 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
7323 phba
->sli4_hba
.els_cq
= NULL
;
7326 /* Release mailbox command complete queue */
7327 if (phba
->sli4_hba
.mbx_cq
!= NULL
) {
7328 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
7329 phba
->sli4_hba
.mbx_cq
= NULL
;
7336 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
7337 * @phba: pointer to lpfc hba data structure.
7339 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
7344 * -ENOMEM - No available memory
7345 * -EIO - The mailbox failed to complete successfully.
7348 lpfc_sli4_queue_setup(struct lpfc_hba
*phba
)
7350 struct lpfc_sli
*psli
= &phba
->sli
;
7351 struct lpfc_sli_ring
*pring
;
7353 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
7354 int fcp_cq_index
= 0;
7355 uint32_t shdr_status
, shdr_add_status
;
7356 union lpfc_sli4_cfg_shdr
*shdr
;
7357 LPFC_MBOXQ_t
*mboxq
;
7360 /* Check for dual-ULP support */
7361 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7363 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7364 "3249 Unable to allocate memory for "
7365 "QUERY_FW_CFG mailbox command\n");
7368 length
= (sizeof(struct lpfc_mbx_query_fw_config
) -
7369 sizeof(struct lpfc_sli4_cfg_mhdr
));
7370 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7371 LPFC_MBOX_OPCODE_QUERY_FW_CFG
,
7372 length
, LPFC_SLI4_MBX_EMBED
);
7374 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7376 shdr
= (union lpfc_sli4_cfg_shdr
*)
7377 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7378 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7379 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
7380 if (shdr_status
|| shdr_add_status
|| rc
) {
7381 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7382 "3250 QUERY_FW_CFG mailbox failed with status "
7383 "x%x add_status x%x, mbx status x%x\n",
7384 shdr_status
, shdr_add_status
, rc
);
7385 if (rc
!= MBX_TIMEOUT
)
7386 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7391 phba
->sli4_hba
.fw_func_mode
=
7392 mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.function_mode
;
7393 phba
->sli4_hba
.ulp0_mode
= mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.ulp0_mode
;
7394 phba
->sli4_hba
.ulp1_mode
= mboxq
->u
.mqe
.un
.query_fw_cfg
.rsp
.ulp1_mode
;
7395 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7396 "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, "
7397 "ulp1_mode:x%x\n", phba
->sli4_hba
.fw_func_mode
,
7398 phba
->sli4_hba
.ulp0_mode
, phba
->sli4_hba
.ulp1_mode
);
7400 if (rc
!= MBX_TIMEOUT
)
7401 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7404 * Set up HBA Event Queues (EQs)
7407 /* Set up HBA event queue */
7408 if (phba
->cfg_fcp_io_channel
&& !phba
->sli4_hba
.hba_eq
) {
7409 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7410 "3147 Fast-path EQs not allocated\n");
7414 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_io_channel
; fcp_eqidx
++) {
7415 if (!phba
->sli4_hba
.hba_eq
[fcp_eqidx
]) {
7416 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7417 "0522 Fast-path EQ (%d) not "
7418 "allocated\n", fcp_eqidx
);
7420 goto out_destroy_hba_eq
;
7422 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.hba_eq
[fcp_eqidx
],
7423 (phba
->cfg_fcp_imax
/ phba
->cfg_fcp_io_channel
));
7425 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7426 "0523 Failed setup of fast-path EQ "
7427 "(%d), rc = 0x%x\n", fcp_eqidx
, rc
);
7428 goto out_destroy_hba_eq
;
7430 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7431 "2584 HBA EQ setup: "
7432 "queue[%d]-id=%d\n", fcp_eqidx
,
7433 phba
->sli4_hba
.hba_eq
[fcp_eqidx
]->queue_id
);
7436 /* Set up fast-path FCP Response Complete Queue */
7437 if (!phba
->sli4_hba
.fcp_cq
) {
7438 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7439 "3148 Fast-path FCP CQ array not "
7442 goto out_destroy_hba_eq
;
7445 for (fcp_cqidx
= 0; fcp_cqidx
< phba
->cfg_fcp_io_channel
; fcp_cqidx
++) {
7446 if (!phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]) {
7447 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7448 "0526 Fast-path FCP CQ (%d) not "
7449 "allocated\n", fcp_cqidx
);
7451 goto out_destroy_fcp_cq
;
7453 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
7454 phba
->sli4_hba
.hba_eq
[fcp_cqidx
], LPFC_WCQ
, LPFC_FCP
);
7456 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7457 "0527 Failed setup of fast-path FCP "
7458 "CQ (%d), rc = 0x%x\n", fcp_cqidx
, rc
);
7459 goto out_destroy_fcp_cq
;
7462 /* Setup fcp_cq_map for fast lookup */
7463 phba
->sli4_hba
.fcp_cq_map
[fcp_cqidx
] =
7464 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
;
7466 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7467 "2588 FCP CQ setup: cq[%d]-id=%d, "
7468 "parent seq[%d]-id=%d\n",
7470 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
,
7472 phba
->sli4_hba
.hba_eq
[fcp_cqidx
]->queue_id
);
7475 /* Set up fast-path FCP Work Queue */
7476 if (!phba
->sli4_hba
.fcp_wq
) {
7477 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7478 "3149 Fast-path FCP WQ array not "
7481 goto out_destroy_fcp_cq
;
7484 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_io_channel
; fcp_wqidx
++) {
7485 if (!phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]) {
7486 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7487 "0534 Fast-path FCP WQ (%d) not "
7488 "allocated\n", fcp_wqidx
);
7490 goto out_destroy_fcp_wq
;
7492 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
],
7493 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
],
7496 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7497 "0535 Failed setup of fast-path FCP "
7498 "WQ (%d), rc = 0x%x\n", fcp_wqidx
, rc
);
7499 goto out_destroy_fcp_wq
;
7502 /* Bind this WQ to the next FCP ring */
7503 pring
= &psli
->ring
[MAX_SLI3_CONFIGURED_RINGS
+ fcp_wqidx
];
7504 pring
->sli
.sli4
.wqp
= (void *)phba
->sli4_hba
.fcp_wq
[fcp_wqidx
];
7505 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
]->pring
= pring
;
7507 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7508 "2591 FCP WQ setup: wq[%d]-id=%d, "
7509 "parent cq[%d]-id=%d\n",
7511 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]->queue_id
,
7513 phba
->sli4_hba
.fcp_cq
[fcp_wqidx
]->queue_id
);
7516 * Set up Complete Queues (CQs)
7519 /* Set up slow-path MBOX Complete Queue as the first CQ */
7520 if (!phba
->sli4_hba
.mbx_cq
) {
7521 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7522 "0528 Mailbox CQ not allocated\n");
7524 goto out_destroy_fcp_wq
;
7526 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.mbx_cq
,
7527 phba
->sli4_hba
.hba_eq
[0], LPFC_MCQ
, LPFC_MBOX
);
7529 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7530 "0529 Failed setup of slow-path mailbox CQ: "
7532 goto out_destroy_fcp_wq
;
7534 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7535 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
7536 phba
->sli4_hba
.mbx_cq
->queue_id
,
7537 phba
->sli4_hba
.hba_eq
[0]->queue_id
);
7539 /* Set up slow-path ELS Complete Queue */
7540 if (!phba
->sli4_hba
.els_cq
) {
7541 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7542 "0530 ELS CQ not allocated\n");
7544 goto out_destroy_mbx_cq
;
7546 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.els_cq
,
7547 phba
->sli4_hba
.hba_eq
[0], LPFC_WCQ
, LPFC_ELS
);
7549 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7550 "0531 Failed setup of slow-path ELS CQ: "
7552 goto out_destroy_mbx_cq
;
7554 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7555 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
7556 phba
->sli4_hba
.els_cq
->queue_id
,
7557 phba
->sli4_hba
.hba_eq
[0]->queue_id
);
7560 * Set up all the Work Queues (WQs)
7563 /* Set up Mailbox Command Queue */
7564 if (!phba
->sli4_hba
.mbx_wq
) {
7565 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7566 "0538 Slow-path MQ not allocated\n");
7568 goto out_destroy_els_cq
;
7570 rc
= lpfc_mq_create(phba
, phba
->sli4_hba
.mbx_wq
,
7571 phba
->sli4_hba
.mbx_cq
, LPFC_MBOX
);
7573 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7574 "0539 Failed setup of slow-path MQ: "
7576 goto out_destroy_els_cq
;
7578 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7579 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
7580 phba
->sli4_hba
.mbx_wq
->queue_id
,
7581 phba
->sli4_hba
.mbx_cq
->queue_id
);
7583 /* Set up slow-path ELS Work Queue */
7584 if (!phba
->sli4_hba
.els_wq
) {
7585 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7586 "0536 Slow-path ELS WQ not allocated\n");
7588 goto out_destroy_mbx_wq
;
7590 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.els_wq
,
7591 phba
->sli4_hba
.els_cq
, LPFC_ELS
);
7593 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7594 "0537 Failed setup of slow-path ELS WQ: "
7596 goto out_destroy_mbx_wq
;
7599 /* Bind this WQ to the ELS ring */
7600 pring
= &psli
->ring
[LPFC_ELS_RING
];
7601 pring
->sli
.sli4
.wqp
= (void *)phba
->sli4_hba
.els_wq
;
7602 phba
->sli4_hba
.els_cq
->pring
= pring
;
7604 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7605 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
7606 phba
->sli4_hba
.els_wq
->queue_id
,
7607 phba
->sli4_hba
.els_cq
->queue_id
);
7610 * Create Receive Queue (RQ)
7612 if (!phba
->sli4_hba
.hdr_rq
|| !phba
->sli4_hba
.dat_rq
) {
7613 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7614 "0540 Receive Queue not allocated\n");
7616 goto out_destroy_els_wq
;
7619 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.hdr_rq
, LPFC_ELS_HBQ
);
7620 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.dat_rq
, LPFC_ELS_HBQ
);
7622 rc
= lpfc_rq_create(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
7623 phba
->sli4_hba
.els_cq
, LPFC_USOL
);
7625 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7626 "0541 Failed setup of Receive Queue: "
7628 goto out_destroy_fcp_wq
;
7631 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7632 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
7633 "parent cq-id=%d\n",
7634 phba
->sli4_hba
.hdr_rq
->queue_id
,
7635 phba
->sli4_hba
.dat_rq
->queue_id
,
7636 phba
->sli4_hba
.els_cq
->queue_id
);
7638 if (phba
->cfg_fof
) {
7639 rc
= lpfc_fof_queue_setup(phba
);
7641 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7642 "0549 Failed setup of FOF Queues: "
7644 goto out_destroy_els_rq
;
7650 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
);
7652 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
7654 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
7656 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
7658 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
7660 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--)
7661 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
7663 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--)
7664 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
7666 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--)
7667 lpfc_eq_destroy(phba
, phba
->sli4_hba
.hba_eq
[fcp_eqidx
]);
7673 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
7674 * @phba: pointer to lpfc hba data structure.
7676 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
7681 * -ENOMEM - No available memory
7682 * -EIO - The mailbox failed to complete successfully.
7685 lpfc_sli4_queue_unset(struct lpfc_hba
*phba
)
7689 /* Unset the queues created for Flash Optimized Fabric operations */
7691 lpfc_fof_queue_destroy(phba
);
7692 /* Unset mailbox command work queue */
7693 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
7694 /* Unset ELS work queue */
7695 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
7696 /* Unset unsolicited receive queue */
7697 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
);
7698 /* Unset FCP work queue */
7699 if (phba
->sli4_hba
.fcp_wq
) {
7700 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7702 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
7704 /* Unset mailbox command complete queue */
7705 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
7706 /* Unset ELS complete queue */
7707 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
7708 /* Unset FCP response complete queue */
7709 if (phba
->sli4_hba
.fcp_cq
) {
7710 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7712 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
7714 /* Unset fast-path event queue */
7715 if (phba
->sli4_hba
.hba_eq
) {
7716 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_io_channel
;
7718 lpfc_eq_destroy(phba
, phba
->sli4_hba
.hba_eq
[fcp_qidx
]);
7723 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
7724 * @phba: pointer to lpfc hba data structure.
7726 * This routine is invoked to allocate and set up a pool of completion queue
7727 * events. The body of the completion queue event is a completion queue entry
7728 * CQE. For now, this pool is used for the interrupt service routine to queue
7729 * the following HBA completion queue events for the worker thread to process:
7730 * - Mailbox asynchronous events
7731 * - Receive queue completion unsolicited events
7732 * Later, this can be used for all the slow-path events.
7736 * -ENOMEM - No available memory
7739 lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*phba
)
7741 struct lpfc_cq_event
*cq_event
;
7744 for (i
= 0; i
< (4 * phba
->sli4_hba
.cq_ecount
); i
++) {
7745 cq_event
= kmalloc(sizeof(struct lpfc_cq_event
), GFP_KERNEL
);
7747 goto out_pool_create_fail
;
7748 list_add_tail(&cq_event
->list
,
7749 &phba
->sli4_hba
.sp_cqe_event_pool
);
7753 out_pool_create_fail
:
7754 lpfc_sli4_cq_event_pool_destroy(phba
);
7759 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
7760 * @phba: pointer to lpfc hba data structure.
7762 * This routine is invoked to free the pool of completion queue events at
7763 * driver unload time. Note that, it is the responsibility of the driver
7764 * cleanup routine to free all the outstanding completion-queue events
7765 * allocated from this pool back into the pool before invoking this routine
7766 * to destroy the pool.
7769 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*phba
)
7771 struct lpfc_cq_event
*cq_event
, *next_cq_event
;
7773 list_for_each_entry_safe(cq_event
, next_cq_event
,
7774 &phba
->sli4_hba
.sp_cqe_event_pool
, list
) {
7775 list_del(&cq_event
->list
);
7781 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7782 * @phba: pointer to lpfc hba data structure.
7784 * This routine is the lock free version of the API invoked to allocate a
7785 * completion-queue event from the free pool.
7787 * Return: Pointer to the newly allocated completion-queue event if successful
7790 struct lpfc_cq_event
*
7791 __lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
7793 struct lpfc_cq_event
*cq_event
= NULL
;
7795 list_remove_head(&phba
->sli4_hba
.sp_cqe_event_pool
, cq_event
,
7796 struct lpfc_cq_event
, list
);
7801 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7802 * @phba: pointer to lpfc hba data structure.
7804 * This routine is the lock version of the API invoked to allocate a
7805 * completion-queue event from the free pool.
7807 * Return: Pointer to the newly allocated completion-queue event if successful
7810 struct lpfc_cq_event
*
7811 lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
7813 struct lpfc_cq_event
*cq_event
;
7814 unsigned long iflags
;
7816 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7817 cq_event
= __lpfc_sli4_cq_event_alloc(phba
);
7818 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7823 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7824 * @phba: pointer to lpfc hba data structure.
7825 * @cq_event: pointer to the completion queue event to be freed.
7827 * This routine is the lock free version of the API invoked to release a
7828 * completion-queue event back into the free pool.
7831 __lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
7832 struct lpfc_cq_event
*cq_event
)
7834 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_cqe_event_pool
);
7838 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7839 * @phba: pointer to lpfc hba data structure.
7840 * @cq_event: pointer to the completion queue event to be freed.
7842 * This routine is the lock version of the API invoked to release a
7843 * completion-queue event back into the free pool.
7846 lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
7847 struct lpfc_cq_event
*cq_event
)
7849 unsigned long iflags
;
7850 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7851 __lpfc_sli4_cq_event_release(phba
, cq_event
);
7852 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7856 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
7857 * @phba: pointer to lpfc hba data structure.
7859 * This routine is to free all the pending completion-queue events to the
7860 * back into the free pool for device reset.
7863 lpfc_sli4_cq_event_release_all(struct lpfc_hba
*phba
)
7866 struct lpfc_cq_event
*cqe
;
7867 unsigned long iflags
;
7869 /* Retrieve all the pending WCQEs from pending WCQE lists */
7870 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7871 /* Pending FCP XRI abort events */
7872 list_splice_init(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
7874 /* Pending ELS XRI abort events */
7875 list_splice_init(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
7877 /* Pending asynnc events */
7878 list_splice_init(&phba
->sli4_hba
.sp_asynce_work_queue
,
7880 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7882 while (!list_empty(&cqelist
)) {
7883 list_remove_head(&cqelist
, cqe
, struct lpfc_cq_event
, list
);
7884 lpfc_sli4_cq_event_release(phba
, cqe
);
7889 * lpfc_pci_function_reset - Reset pci function.
7890 * @phba: pointer to lpfc hba data structure.
7892 * This routine is invoked to request a PCI function reset. It will destroys
7893 * all resources assigned to the PCI function which originates this request.
7897 * -ENOMEM - No available memory
7898 * -EIO - The mailbox failed to complete successfully.
7901 lpfc_pci_function_reset(struct lpfc_hba
*phba
)
7903 LPFC_MBOXQ_t
*mboxq
;
7904 uint32_t rc
= 0, if_type
;
7905 uint32_t shdr_status
, shdr_add_status
;
7906 uint32_t rdy_chk
, num_resets
= 0, reset_again
= 0;
7907 union lpfc_sli4_cfg_shdr
*shdr
;
7908 struct lpfc_register reg_data
;
7911 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7913 case LPFC_SLI_INTF_IF_TYPE_0
:
7914 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
7917 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7918 "0494 Unable to allocate memory for "
7919 "issuing SLI_FUNCTION_RESET mailbox "
7924 /* Setup PCI function reset mailbox-ioctl command */
7925 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7926 LPFC_MBOX_OPCODE_FUNCTION_RESET
, 0,
7927 LPFC_SLI4_MBX_EMBED
);
7928 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7929 shdr
= (union lpfc_sli4_cfg_shdr
*)
7930 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7931 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7932 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
7934 if (rc
!= MBX_TIMEOUT
)
7935 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7936 if (shdr_status
|| shdr_add_status
|| rc
) {
7937 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7938 "0495 SLI_FUNCTION_RESET mailbox "
7939 "failed with status x%x add_status x%x,"
7940 " mbx status x%x\n",
7941 shdr_status
, shdr_add_status
, rc
);
7945 case LPFC_SLI_INTF_IF_TYPE_2
:
7946 for (num_resets
= 0;
7947 num_resets
< MAX_IF_TYPE_2_RESETS
;
7950 bf_set(lpfc_sliport_ctrl_end
, ®_data
,
7951 LPFC_SLIPORT_LITTLE_ENDIAN
);
7952 bf_set(lpfc_sliport_ctrl_ip
, ®_data
,
7953 LPFC_SLIPORT_INIT_PORT
);
7954 writel(reg_data
.word0
, phba
->sli4_hba
.u
.if_type2
.
7957 pci_read_config_word(phba
->pcidev
,
7958 PCI_DEVICE_ID
, &devid
);
7960 * Poll the Port Status Register and wait for RDY for
7961 * up to 10 seconds. If the port doesn't respond, treat
7962 * it as an error. If the port responds with RN, start
7965 for (rdy_chk
= 0; rdy_chk
< 1000; rdy_chk
++) {
7967 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.
7968 STATUSregaddr
, ®_data
.word0
)) {
7972 if (bf_get(lpfc_sliport_status_rn
, ®_data
))
7974 if (bf_get(lpfc_sliport_status_rdy
, ®_data
))
7979 * If the port responds to the init request with
7980 * reset needed, delay for a bit and restart the loop.
7982 if (reset_again
&& (rdy_chk
< 1000)) {
7988 /* Detect any port errors. */
7989 if ((bf_get(lpfc_sliport_status_err
, ®_data
)) ||
7990 (rdy_chk
>= 1000)) {
7991 phba
->work_status
[0] = readl(
7992 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
7993 phba
->work_status
[1] = readl(
7994 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
7995 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7996 "2890 Port error detected during port "
7997 "reset(%d): wait_tmo:%d ms, "
7998 "port status reg 0x%x, "
7999 "error 1=0x%x, error 2=0x%x\n",
8000 num_resets
, rdy_chk
*10,
8002 phba
->work_status
[0],
8003 phba
->work_status
[1]);
8008 * Terminate the outer loop provided the Port indicated
8009 * ready within 10 seconds.
8014 /* delay driver action following IF_TYPE_2 function reset */
8017 case LPFC_SLI_INTF_IF_TYPE_1
:
8023 /* Catch the not-ready port failure after a port reset. */
8024 if (num_resets
>= MAX_IF_TYPE_2_RESETS
) {
8025 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8026 "3317 HBA not functional: IP Reset Failed "
8027 "after (%d) retries, try: "
8028 "echo fw_reset > board_mode\n", num_resets
);
8036 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
8037 * @phba: pointer to lpfc hba data structure.
8039 * This routine is invoked to set up the PCI device memory space for device
8040 * with SLI-4 interface spec.
8044 * other values - error
8047 lpfc_sli4_pci_mem_setup(struct lpfc_hba
*phba
)
8049 struct pci_dev
*pdev
;
8050 unsigned long bar0map_len
, bar1map_len
, bar2map_len
;
8051 int error
= -ENODEV
;
8054 /* Obtain PCI device reference */
8058 pdev
= phba
->pcidev
;
8060 /* Set the device DMA mask size */
8061 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
8062 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
8063 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
8064 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
8070 * The BARs and register set definitions and offset locations are
8071 * dependent on the if_type.
8073 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
,
8074 &phba
->sli4_hba
.sli_intf
.word0
)) {
8078 /* There is no SLI3 failback for SLI4 devices. */
8079 if (bf_get(lpfc_sli_intf_valid
, &phba
->sli4_hba
.sli_intf
) !=
8080 LPFC_SLI_INTF_VALID
) {
8081 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8082 "2894 SLI_INTF reg contents invalid "
8083 "sli_intf reg 0x%x\n",
8084 phba
->sli4_hba
.sli_intf
.word0
);
8088 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
8090 * Get the bus address of SLI4 device Bar regions and the
8091 * number of bytes required by each mapping. The mapping of the
8092 * particular PCI BARs regions is dependent on the type of
8095 if (pci_resource_start(pdev
, PCI_64BIT_BAR0
)) {
8096 phba
->pci_bar0_map
= pci_resource_start(pdev
, PCI_64BIT_BAR0
);
8097 bar0map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR0
);
8100 * Map SLI4 PCI Config Space Register base to a kernel virtual
8103 phba
->sli4_hba
.conf_regs_memmap_p
=
8104 ioremap(phba
->pci_bar0_map
, bar0map_len
);
8105 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
8106 dev_printk(KERN_ERR
, &pdev
->dev
,
8107 "ioremap failed for SLI4 PCI config "
8111 phba
->pci_bar0_memmap_p
= phba
->sli4_hba
.conf_regs_memmap_p
;
8112 /* Set up BAR0 PCI config space register memory map */
8113 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
8115 phba
->pci_bar0_map
= pci_resource_start(pdev
, 1);
8116 bar0map_len
= pci_resource_len(pdev
, 1);
8117 if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
8118 dev_printk(KERN_ERR
, &pdev
->dev
,
8119 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
8122 phba
->sli4_hba
.conf_regs_memmap_p
=
8123 ioremap(phba
->pci_bar0_map
, bar0map_len
);
8124 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
8125 dev_printk(KERN_ERR
, &pdev
->dev
,
8126 "ioremap failed for SLI4 PCI config "
8130 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
8133 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
8134 (pci_resource_start(pdev
, PCI_64BIT_BAR2
))) {
8136 * Map SLI4 if type 0 HBA Control Register base to a kernel
8137 * virtual address and setup the registers.
8139 phba
->pci_bar1_map
= pci_resource_start(pdev
, PCI_64BIT_BAR2
);
8140 bar1map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR2
);
8141 phba
->sli4_hba
.ctrl_regs_memmap_p
=
8142 ioremap(phba
->pci_bar1_map
, bar1map_len
);
8143 if (!phba
->sli4_hba
.ctrl_regs_memmap_p
) {
8144 dev_printk(KERN_ERR
, &pdev
->dev
,
8145 "ioremap failed for SLI4 HBA control registers.\n");
8146 goto out_iounmap_conf
;
8148 phba
->pci_bar2_memmap_p
= phba
->sli4_hba
.ctrl_regs_memmap_p
;
8149 lpfc_sli4_bar1_register_memmap(phba
);
8152 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
8153 (pci_resource_start(pdev
, PCI_64BIT_BAR4
))) {
8155 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
8156 * virtual address and setup the registers.
8158 phba
->pci_bar2_map
= pci_resource_start(pdev
, PCI_64BIT_BAR4
);
8159 bar2map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR4
);
8160 phba
->sli4_hba
.drbl_regs_memmap_p
=
8161 ioremap(phba
->pci_bar2_map
, bar2map_len
);
8162 if (!phba
->sli4_hba
.drbl_regs_memmap_p
) {
8163 dev_printk(KERN_ERR
, &pdev
->dev
,
8164 "ioremap failed for SLI4 HBA doorbell registers.\n");
8165 goto out_iounmap_ctrl
;
8167 phba
->pci_bar4_memmap_p
= phba
->sli4_hba
.drbl_regs_memmap_p
;
8168 error
= lpfc_sli4_bar2_register_memmap(phba
, LPFC_VF0
);
8170 goto out_iounmap_all
;
8176 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
8178 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
8180 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
8186 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
8187 * @phba: pointer to lpfc hba data structure.
8189 * This routine is invoked to unset the PCI device memory space for device
8190 * with SLI-4 interface spec.
8193 lpfc_sli4_pci_mem_unset(struct lpfc_hba
*phba
)
8196 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
8199 case LPFC_SLI_INTF_IF_TYPE_0
:
8200 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
8201 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
8202 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
8204 case LPFC_SLI_INTF_IF_TYPE_2
:
8205 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
8207 case LPFC_SLI_INTF_IF_TYPE_1
:
8209 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
8210 "FATAL - unsupported SLI4 interface type - %d\n",
8217 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
8218 * @phba: pointer to lpfc hba data structure.
8220 * This routine is invoked to enable the MSI-X interrupt vectors to device
8221 * with SLI-3 interface specs. The kernel function pci_enable_msix_exact()
8222 * is called to enable the MSI-X vectors. Note that pci_enable_msix_exact(),
8223 * once invoked, enables either all or nothing, depending on the current
8224 * availability of PCI vector resources. The device driver is responsible
8225 * for calling the individual request_irq() to register each MSI-X vector
8226 * with a interrupt handler, which is done in this function. Note that
8227 * later when device is unloading, the driver should always call free_irq()
8228 * on all MSI-X vectors it has done request_irq() on before calling
8229 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
8230 * will be left with MSI-X enabled and leaks its vectors.
8234 * other values - error
8237 lpfc_sli_enable_msix(struct lpfc_hba
*phba
)
8242 /* Set up MSI-X multi-message vectors */
8243 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
8244 phba
->msix_entries
[i
].entry
= i
;
8246 /* Configure MSI-X capability structure */
8247 rc
= pci_enable_msix_exact(phba
->pcidev
, phba
->msix_entries
,
8250 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8251 "0420 PCI enable MSI-X failed (%d)\n", rc
);
8254 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
8255 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8256 "0477 MSI-X entry[%d]: vector=x%x "
8258 phba
->msix_entries
[i
].vector
,
8259 phba
->msix_entries
[i
].entry
);
8261 * Assign MSI-X vectors to interrupt handlers
8264 /* vector-0 is associated to slow-path handler */
8265 rc
= request_irq(phba
->msix_entries
[0].vector
,
8266 &lpfc_sli_sp_intr_handler
, IRQF_SHARED
,
8267 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
8269 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8270 "0421 MSI-X slow-path request_irq failed "
8275 /* vector-1 is associated to fast-path handler */
8276 rc
= request_irq(phba
->msix_entries
[1].vector
,
8277 &lpfc_sli_fp_intr_handler
, IRQF_SHARED
,
8278 LPFC_FP_DRIVER_HANDLER_NAME
, phba
);
8281 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8282 "0429 MSI-X fast-path request_irq failed "
8288 * Configure HBA MSI-X attention conditions to messages
8290 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
8294 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8295 "0474 Unable to allocate memory for issuing "
8296 "MBOX_CONFIG_MSI command\n");
8299 rc
= lpfc_config_msi(phba
, pmb
);
8302 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
8303 if (rc
!= MBX_SUCCESS
) {
8304 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
8305 "0351 Config MSI mailbox command failed, "
8306 "mbxCmd x%x, mbxStatus x%x\n",
8307 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
);
8311 /* Free memory allocated for mailbox command */
8312 mempool_free(pmb
, phba
->mbox_mem_pool
);
8316 /* Free memory allocated for mailbox command */
8317 mempool_free(pmb
, phba
->mbox_mem_pool
);
8320 /* free the irq already requested */
8321 free_irq(phba
->msix_entries
[1].vector
, phba
);
8324 /* free the irq already requested */
8325 free_irq(phba
->msix_entries
[0].vector
, phba
);
8328 /* Unconfigure MSI-X capability structure */
8329 pci_disable_msix(phba
->pcidev
);
8336 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
8337 * @phba: pointer to lpfc hba data structure.
8339 * This routine is invoked to release the MSI-X vectors and then disable the
8340 * MSI-X interrupt mode to device with SLI-3 interface spec.
8343 lpfc_sli_disable_msix(struct lpfc_hba
*phba
)
8347 /* Free up MSI-X multi-message vectors */
8348 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
8349 free_irq(phba
->msix_entries
[i
].vector
, phba
);
8351 pci_disable_msix(phba
->pcidev
);
8357 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
8358 * @phba: pointer to lpfc hba data structure.
8360 * This routine is invoked to enable the MSI interrupt mode to device with
8361 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
8362 * enable the MSI vector. The device driver is responsible for calling the
8363 * request_irq() to register MSI vector with a interrupt the handler, which
8364 * is done in this function.
8368 * other values - error
8371 lpfc_sli_enable_msi(struct lpfc_hba
*phba
)
8375 rc
= pci_enable_msi(phba
->pcidev
);
8377 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8378 "0462 PCI enable MSI mode success.\n");
8380 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8381 "0471 PCI enable MSI mode failed (%d)\n", rc
);
8385 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
8386 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8388 pci_disable_msi(phba
->pcidev
);
8389 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8390 "0478 MSI request_irq failed (%d)\n", rc
);
8396 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
8397 * @phba: pointer to lpfc hba data structure.
8399 * This routine is invoked to disable the MSI interrupt mode to device with
8400 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
8401 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8402 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8406 lpfc_sli_disable_msi(struct lpfc_hba
*phba
)
8408 free_irq(phba
->pcidev
->irq
, phba
);
8409 pci_disable_msi(phba
->pcidev
);
8414 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
8415 * @phba: pointer to lpfc hba data structure.
8417 * This routine is invoked to enable device interrupt and associate driver's
8418 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
8419 * spec. Depends on the interrupt mode configured to the driver, the driver
8420 * will try to fallback from the configured interrupt mode to an interrupt
8421 * mode which is supported by the platform, kernel, and device in the order
8423 * MSI-X -> MSI -> IRQ.
8427 * other values - error
8430 lpfc_sli_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
8432 uint32_t intr_mode
= LPFC_INTR_ERROR
;
8435 if (cfg_mode
== 2) {
8436 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
8437 retval
= lpfc_sli_config_port(phba
, LPFC_SLI_REV3
);
8439 /* Now, try to enable MSI-X interrupt mode */
8440 retval
= lpfc_sli_enable_msix(phba
);
8442 /* Indicate initialization to MSI-X mode */
8443 phba
->intr_type
= MSIX
;
8449 /* Fallback to MSI if MSI-X initialization failed */
8450 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
8451 retval
= lpfc_sli_enable_msi(phba
);
8453 /* Indicate initialization to MSI mode */
8454 phba
->intr_type
= MSI
;
8459 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8460 if (phba
->intr_type
== NONE
) {
8461 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
8462 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8464 /* Indicate initialization to INTx mode */
8465 phba
->intr_type
= INTx
;
8473 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
8474 * @phba: pointer to lpfc hba data structure.
8476 * This routine is invoked to disable device interrupt and disassociate the
8477 * driver's interrupt handler(s) from interrupt vector(s) to device with
8478 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
8479 * release the interrupt vector(s) for the message signaled interrupt.
8482 lpfc_sli_disable_intr(struct lpfc_hba
*phba
)
8484 /* Disable the currently initialized interrupt mode */
8485 if (phba
->intr_type
== MSIX
)
8486 lpfc_sli_disable_msix(phba
);
8487 else if (phba
->intr_type
== MSI
)
8488 lpfc_sli_disable_msi(phba
);
8489 else if (phba
->intr_type
== INTx
)
8490 free_irq(phba
->pcidev
->irq
, phba
);
8492 /* Reset interrupt management states */
8493 phba
->intr_type
= NONE
;
8494 phba
->sli
.slistat
.sli_intr
= 0;
8500 * lpfc_find_next_cpu - Find next available CPU that matches the phys_id
8501 * @phba: pointer to lpfc hba data structure.
8503 * Find next available CPU to use for IRQ to CPU affinity.
8506 lpfc_find_next_cpu(struct lpfc_hba
*phba
, uint32_t phys_id
)
8508 struct lpfc_vector_map_info
*cpup
;
8511 cpup
= phba
->sli4_hba
.cpu_map
;
8512 for (cpu
= 0; cpu
< phba
->sli4_hba
.num_present_cpu
; cpu
++) {
8513 /* CPU must be online */
8514 if (cpu_online(cpu
)) {
8515 if ((cpup
->irq
== LPFC_VECTOR_MAP_EMPTY
) &&
8516 (lpfc_used_cpu
[cpu
] == LPFC_VECTOR_MAP_EMPTY
) &&
8517 (cpup
->phys_id
== phys_id
)) {
8525 * If we get here, we have used ALL CPUs for the specific
8526 * phys_id. Now we need to clear out lpfc_used_cpu and start
8530 for (cpu
= 0; cpu
< phba
->sli4_hba
.num_present_cpu
; cpu
++) {
8531 if (lpfc_used_cpu
[cpu
] == phys_id
)
8532 lpfc_used_cpu
[cpu
] = LPFC_VECTOR_MAP_EMPTY
;
8535 cpup
= phba
->sli4_hba
.cpu_map
;
8536 for (cpu
= 0; cpu
< phba
->sli4_hba
.num_present_cpu
; cpu
++) {
8537 /* CPU must be online */
8538 if (cpu_online(cpu
)) {
8539 if ((cpup
->irq
== LPFC_VECTOR_MAP_EMPTY
) &&
8540 (cpup
->phys_id
== phys_id
)) {
8546 return LPFC_VECTOR_MAP_EMPTY
;
8550 * lpfc_sli4_set_affinity - Set affinity for HBA IRQ vectors
8551 * @phba: pointer to lpfc hba data structure.
8552 * @vectors: number of HBA vectors
8554 * Affinitize MSIX IRQ vectors to CPUs. Try to equally spread vector
8555 * affinization across multple physical CPUs (numa nodes).
8556 * In addition, this routine will assign an IO channel for each CPU
8557 * to use when issuing I/Os.
8560 lpfc_sli4_set_affinity(struct lpfc_hba
*phba
, int vectors
)
8562 int i
, idx
, saved_chann
, used_chann
, cpu
, phys_id
;
8563 int max_phys_id
, min_phys_id
;
8564 int num_io_channel
, first_cpu
, chan
;
8565 struct lpfc_vector_map_info
*cpup
;
8567 struct cpuinfo_x86
*cpuinfo
;
8569 struct cpumask
*mask
;
8570 uint8_t chann
[LPFC_FCP_IO_CHAN_MAX
+1];
8572 /* If there is no mapping, just return */
8573 if (!phba
->cfg_fcp_cpu_map
)
8576 /* Init cpu_map array */
8577 memset(phba
->sli4_hba
.cpu_map
, 0xff,
8578 (sizeof(struct lpfc_vector_map_info
) *
8579 phba
->sli4_hba
.num_present_cpu
));
8585 first_cpu
= LPFC_VECTOR_MAP_EMPTY
;
8587 /* Update CPU map with physical id and core id of each CPU */
8588 cpup
= phba
->sli4_hba
.cpu_map
;
8589 for (cpu
= 0; cpu
< phba
->sli4_hba
.num_present_cpu
; cpu
++) {
8591 cpuinfo
= &cpu_data(cpu
);
8592 cpup
->phys_id
= cpuinfo
->phys_proc_id
;
8593 cpup
->core_id
= cpuinfo
->cpu_core_id
;
8595 /* No distinction between CPUs for other platforms */
8600 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8601 "3328 CPU physid %d coreid %d\n",
8602 cpup
->phys_id
, cpup
->core_id
);
8604 if (cpup
->phys_id
> max_phys_id
)
8605 max_phys_id
= cpup
->phys_id
;
8606 if (cpup
->phys_id
< min_phys_id
)
8607 min_phys_id
= cpup
->phys_id
;
8611 phys_id
= min_phys_id
;
8612 /* Now associate the HBA vectors with specific CPUs */
8613 for (idx
= 0; idx
< vectors
; idx
++) {
8614 cpup
= phba
->sli4_hba
.cpu_map
;
8615 cpu
= lpfc_find_next_cpu(phba
, phys_id
);
8616 if (cpu
== LPFC_VECTOR_MAP_EMPTY
) {
8618 /* Try for all phys_id's */
8619 for (i
= 1; i
< max_phys_id
; i
++) {
8621 if (phys_id
> max_phys_id
)
8622 phys_id
= min_phys_id
;
8623 cpu
= lpfc_find_next_cpu(phba
, phys_id
);
8624 if (cpu
== LPFC_VECTOR_MAP_EMPTY
)
8629 /* Use round robin for scheduling */
8630 phba
->cfg_fcp_io_sched
= LPFC_FCP_SCHED_ROUND_ROBIN
;
8632 cpup
= phba
->sli4_hba
.cpu_map
;
8633 for (i
= 0; i
< phba
->sli4_hba
.num_present_cpu
; i
++) {
8634 cpup
->channel_id
= chan
;
8637 if (chan
>= phba
->cfg_fcp_io_channel
)
8641 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8642 "3329 Cannot set affinity:"
8643 "Error mapping vector %d (%d)\n",
8649 if (phba
->cfg_fcp_cpu_map
== LPFC_DRIVER_CPU_MAP
)
8650 lpfc_used_cpu
[cpu
] = phys_id
;
8652 /* Associate vector with selected CPU */
8653 cpup
->irq
= phba
->sli4_hba
.msix_entries
[idx
].vector
;
8655 /* Associate IO channel with selected CPU */
8656 cpup
->channel_id
= idx
;
8659 if (first_cpu
== LPFC_VECTOR_MAP_EMPTY
)
8662 /* Now affinitize to the selected CPU */
8663 mask
= &cpup
->maskbits
;
8664 cpumask_clear(mask
);
8665 cpumask_set_cpu(cpu
, mask
);
8666 i
= irq_set_affinity_hint(phba
->sli4_hba
.msix_entries
[idx
].
8669 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8670 "3330 Set Affinity: CPU %d channel %d "
8672 cpu
, cpup
->channel_id
,
8673 phba
->sli4_hba
.msix_entries
[idx
].vector
, i
);
8675 /* Spread vector mapping across multple physical CPU nodes */
8677 if (phys_id
> max_phys_id
)
8678 phys_id
= min_phys_id
;
8682 * Finally fill in the IO channel for any remaining CPUs.
8683 * At this point, all IO channels have been assigned to a specific
8684 * MSIx vector, mapped to a specific CPU.
8685 * Base the remaining IO channel assigned, to IO channels already
8686 * assigned to other CPUs on the same phys_id.
8688 for (i
= min_phys_id
; i
<= max_phys_id
; i
++) {
8690 * If there are no io channels already mapped to
8691 * this phys_id, just round robin thru the io_channels.
8692 * Setup chann[] for round robin.
8694 for (idx
= 0; idx
< phba
->cfg_fcp_io_channel
; idx
++)
8701 * First build a list of IO channels already assigned
8702 * to this phys_id before reassigning the same IO
8703 * channels to the remaining CPUs.
8705 cpup
= phba
->sli4_hba
.cpu_map
;
8708 for (idx
= 0; idx
< phba
->sli4_hba
.num_present_cpu
;
8710 if (cpup
->phys_id
== i
) {
8712 * Save any IO channels that are
8713 * already mapped to this phys_id.
8715 if (cpup
->irq
!= LPFC_VECTOR_MAP_EMPTY
) {
8716 chann
[saved_chann
] =
8722 /* See if we are using round-robin */
8723 if (saved_chann
== 0)
8725 phba
->cfg_fcp_io_channel
;
8727 /* Associate next IO channel with CPU */
8728 cpup
->channel_id
= chann
[used_chann
];
8731 if (used_chann
== saved_chann
)
8734 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8735 "3331 Set IO_CHANN "
8736 "CPU %d channel %d\n",
8737 idx
, cpup
->channel_id
);
8741 if (cpu
>= phba
->sli4_hba
.num_present_cpu
) {
8742 cpup
= phba
->sli4_hba
.cpu_map
;
8750 if (phba
->sli4_hba
.num_online_cpu
!= phba
->sli4_hba
.num_present_cpu
) {
8751 cpup
= phba
->sli4_hba
.cpu_map
;
8752 for (idx
= 0; idx
< phba
->sli4_hba
.num_present_cpu
; idx
++) {
8753 if (cpup
->channel_id
== LPFC_VECTOR_MAP_EMPTY
) {
8754 cpup
->channel_id
= 0;
8757 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8758 "3332 Assign IO_CHANN "
8759 "CPU %d channel %d\n",
8760 idx
, cpup
->channel_id
);
8767 if (num_io_channel
!= phba
->sli4_hba
.num_present_cpu
)
8768 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8769 "3333 Set affinity mismatch:"
8770 "%d chann != %d cpus: %d vectors\n",
8771 num_io_channel
, phba
->sli4_hba
.num_present_cpu
,
8774 /* Enable using cpu affinity for scheduling */
8775 phba
->cfg_fcp_io_sched
= LPFC_FCP_SCHED_BY_CPU
;
8781 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
8782 * @phba: pointer to lpfc hba data structure.
8784 * This routine is invoked to enable the MSI-X interrupt vectors to device
8785 * with SLI-4 interface spec. The kernel function pci_enable_msix_range()
8786 * is called to enable the MSI-X vectors. The device driver is responsible
8787 * for calling the individual request_irq() to register each MSI-X vector
8788 * with a interrupt handler, which is done in this function. Note that
8789 * later when device is unloading, the driver should always call free_irq()
8790 * on all MSI-X vectors it has done request_irq() on before calling
8791 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
8792 * will be left with MSI-X enabled and leaks its vectors.
8796 * other values - error
8799 lpfc_sli4_enable_msix(struct lpfc_hba
*phba
)
8801 int vectors
, rc
, index
;
8803 /* Set up MSI-X multi-message vectors */
8804 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++)
8805 phba
->sli4_hba
.msix_entries
[index
].entry
= index
;
8807 /* Configure MSI-X capability structure */
8808 vectors
= phba
->cfg_fcp_io_channel
;
8809 if (phba
->cfg_fof
) {
8810 phba
->sli4_hba
.msix_entries
[index
].entry
= index
;
8813 rc
= pci_enable_msix_range(phba
->pcidev
, phba
->sli4_hba
.msix_entries
,
8816 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8817 "0484 PCI enable MSI-X failed (%d)\n", rc
);
8822 /* Log MSI-X vector assignment */
8823 for (index
= 0; index
< vectors
; index
++)
8824 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8825 "0489 MSI-X entry[%d]: vector=x%x "
8826 "message=%d\n", index
,
8827 phba
->sli4_hba
.msix_entries
[index
].vector
,
8828 phba
->sli4_hba
.msix_entries
[index
].entry
);
8830 /* Assign MSI-X vectors to interrupt handlers */
8831 for (index
= 0; index
< vectors
; index
++) {
8832 memset(&phba
->sli4_hba
.handler_name
[index
], 0, 16);
8833 sprintf((char *)&phba
->sli4_hba
.handler_name
[index
],
8834 LPFC_DRIVER_HANDLER_NAME
"%d", index
);
8836 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8837 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8838 atomic_set(&phba
->sli4_hba
.fcp_eq_hdl
[index
].fcp_eq_in_use
, 1);
8839 if (phba
->cfg_fof
&& (index
== (vectors
- 1)))
8841 phba
->sli4_hba
.msix_entries
[index
].vector
,
8842 &lpfc_sli4_fof_intr_handler
, IRQF_SHARED
,
8843 (char *)&phba
->sli4_hba
.handler_name
[index
],
8844 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8847 phba
->sli4_hba
.msix_entries
[index
].vector
,
8848 &lpfc_sli4_hba_intr_handler
, IRQF_SHARED
,
8849 (char *)&phba
->sli4_hba
.handler_name
[index
],
8850 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8852 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8853 "0486 MSI-X fast-path (%d) "
8854 "request_irq failed (%d)\n", index
, rc
);
8862 if (vectors
!= phba
->cfg_fcp_io_channel
) {
8863 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8864 "3238 Reducing IO channels to match number of "
8865 "MSI-X vectors, requested %d got %d\n",
8866 phba
->cfg_fcp_io_channel
, vectors
);
8867 phba
->cfg_fcp_io_channel
= vectors
;
8870 lpfc_sli4_set_affinity(phba
, vectors
);
8874 /* free the irq already requested */
8875 for (--index
; index
>= 0; index
--) {
8876 irq_set_affinity_hint(phba
->sli4_hba
.msix_entries
[index
].
8878 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
8879 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8882 /* Unconfigure MSI-X capability structure */
8883 pci_disable_msix(phba
->pcidev
);
8890 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
8891 * @phba: pointer to lpfc hba data structure.
8893 * This routine is invoked to release the MSI-X vectors and then disable the
8894 * MSI-X interrupt mode to device with SLI-4 interface spec.
8897 lpfc_sli4_disable_msix(struct lpfc_hba
*phba
)
8901 /* Free up MSI-X multi-message vectors */
8902 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++) {
8903 irq_set_affinity_hint(phba
->sli4_hba
.msix_entries
[index
].
8905 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
8906 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8908 if (phba
->cfg_fof
) {
8909 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
8910 &phba
->sli4_hba
.fcp_eq_hdl
[index
]);
8913 pci_disable_msix(phba
->pcidev
);
8919 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
8920 * @phba: pointer to lpfc hba data structure.
8922 * This routine is invoked to enable the MSI interrupt mode to device with
8923 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
8924 * to enable the MSI vector. The device driver is responsible for calling
8925 * the request_irq() to register MSI vector with a interrupt the handler,
8926 * which is done in this function.
8930 * other values - error
8933 lpfc_sli4_enable_msi(struct lpfc_hba
*phba
)
8937 rc
= pci_enable_msi(phba
->pcidev
);
8939 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8940 "0487 PCI enable MSI mode success.\n");
8942 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8943 "0488 PCI enable MSI mode failed (%d)\n", rc
);
8947 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
8948 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
8950 pci_disable_msi(phba
->pcidev
);
8951 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
8952 "0490 MSI request_irq failed (%d)\n", rc
);
8956 for (index
= 0; index
< phba
->cfg_fcp_io_channel
; index
++) {
8957 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8958 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8961 if (phba
->cfg_fof
) {
8962 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
8963 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
8969 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
8970 * @phba: pointer to lpfc hba data structure.
8972 * This routine is invoked to disable the MSI interrupt mode to device with
8973 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
8974 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8975 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8979 lpfc_sli4_disable_msi(struct lpfc_hba
*phba
)
8981 free_irq(phba
->pcidev
->irq
, phba
);
8982 pci_disable_msi(phba
->pcidev
);
8987 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
8988 * @phba: pointer to lpfc hba data structure.
8990 * This routine is invoked to enable device interrupt and associate driver's
8991 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
8992 * interface spec. Depends on the interrupt mode configured to the driver,
8993 * the driver will try to fallback from the configured interrupt mode to an
8994 * interrupt mode which is supported by the platform, kernel, and device in
8996 * MSI-X -> MSI -> IRQ.
9000 * other values - error
9003 lpfc_sli4_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
9005 uint32_t intr_mode
= LPFC_INTR_ERROR
;
9008 if (cfg_mode
== 2) {
9009 /* Preparation before conf_msi mbox cmd */
9012 /* Now, try to enable MSI-X interrupt mode */
9013 retval
= lpfc_sli4_enable_msix(phba
);
9015 /* Indicate initialization to MSI-X mode */
9016 phba
->intr_type
= MSIX
;
9022 /* Fallback to MSI if MSI-X initialization failed */
9023 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
9024 retval
= lpfc_sli4_enable_msi(phba
);
9026 /* Indicate initialization to MSI mode */
9027 phba
->intr_type
= MSI
;
9032 /* Fallback to INTx if both MSI-X/MSI initalization failed */
9033 if (phba
->intr_type
== NONE
) {
9034 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
9035 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
9037 /* Indicate initialization to INTx mode */
9038 phba
->intr_type
= INTx
;
9040 for (index
= 0; index
< phba
->cfg_fcp_io_channel
;
9042 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
9043 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
9044 atomic_set(&phba
->sli4_hba
.fcp_eq_hdl
[index
].
9047 if (phba
->cfg_fof
) {
9048 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
9049 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
9050 atomic_set(&phba
->sli4_hba
.fcp_eq_hdl
[index
].
9059 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
9060 * @phba: pointer to lpfc hba data structure.
9062 * This routine is invoked to disable device interrupt and disassociate
9063 * the driver's interrupt handler(s) from interrupt vector(s) to device
9064 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
9065 * will release the interrupt vector(s) for the message signaled interrupt.
9068 lpfc_sli4_disable_intr(struct lpfc_hba
*phba
)
9070 /* Disable the currently initialized interrupt mode */
9071 if (phba
->intr_type
== MSIX
)
9072 lpfc_sli4_disable_msix(phba
);
9073 else if (phba
->intr_type
== MSI
)
9074 lpfc_sli4_disable_msi(phba
);
9075 else if (phba
->intr_type
== INTx
)
9076 free_irq(phba
->pcidev
->irq
, phba
);
9078 /* Reset interrupt management states */
9079 phba
->intr_type
= NONE
;
9080 phba
->sli
.slistat
.sli_intr
= 0;
9086 * lpfc_unset_hba - Unset SLI3 hba device initialization
9087 * @phba: pointer to lpfc hba data structure.
9089 * This routine is invoked to unset the HBA device initialization steps to
9090 * a device with SLI-3 interface spec.
9093 lpfc_unset_hba(struct lpfc_hba
*phba
)
9095 struct lpfc_vport
*vport
= phba
->pport
;
9096 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
9098 spin_lock_irq(shost
->host_lock
);
9099 vport
->load_flag
|= FC_UNLOADING
;
9100 spin_unlock_irq(shost
->host_lock
);
9102 kfree(phba
->vpi_bmask
);
9103 kfree(phba
->vpi_ids
);
9105 lpfc_stop_hba_timers(phba
);
9107 phba
->pport
->work_port_events
= 0;
9109 lpfc_sli_hba_down(phba
);
9111 lpfc_sli_brdrestart(phba
);
9113 lpfc_sli_disable_intr(phba
);
9119 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
9120 * @phba: Pointer to HBA context object.
9122 * This function is called in the SLI4 code path to wait for completion
9123 * of device's XRIs exchange busy. It will check the XRI exchange busy
9124 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
9125 * that, it will check the XRI exchange busy on outstanding FCP and ELS
9126 * I/Os every 30 seconds, log error message, and wait forever. Only when
9127 * all XRI exchange busy complete, the driver unload shall proceed with
9128 * invoking the function reset ioctl mailbox command to the CNA and the
9129 * the rest of the driver unload resource release.
9132 lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba
*phba
)
9135 int fcp_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
9136 int els_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
9138 while (!fcp_xri_cmpl
|| !els_xri_cmpl
) {
9139 if (wait_time
> LPFC_XRI_EXCH_BUSY_WAIT_TMO
) {
9141 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9142 "2877 FCP XRI exchange busy "
9143 "wait time: %d seconds.\n",
9146 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9147 "2878 ELS XRI exchange busy "
9148 "wait time: %d seconds.\n",
9150 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2
);
9151 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T2
;
9153 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1
);
9154 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T1
;
9157 list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
9159 list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
9164 * lpfc_sli4_hba_unset - Unset the fcoe hba
9165 * @phba: Pointer to HBA context object.
9167 * This function is called in the SLI4 code path to reset the HBA's FCoE
9168 * function. The caller is not required to hold any lock. This routine
9169 * issues PCI function reset mailbox command to reset the FCoE function.
9170 * At the end of the function, it calls lpfc_hba_down_post function to
9171 * free any pending commands.
9174 lpfc_sli4_hba_unset(struct lpfc_hba
*phba
)
9177 LPFC_MBOXQ_t
*mboxq
;
9178 struct pci_dev
*pdev
= phba
->pcidev
;
9180 lpfc_stop_hba_timers(phba
);
9181 phba
->sli4_hba
.intr_enable
= 0;
9184 * Gracefully wait out the potential current outstanding asynchronous
9188 /* First, block any pending async mailbox command from posted */
9189 spin_lock_irq(&phba
->hbalock
);
9190 phba
->sli
.sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
9191 spin_unlock_irq(&phba
->hbalock
);
9192 /* Now, trying to wait it out if we can */
9193 while (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
9195 if (++wait_cnt
> LPFC_ACTIVE_MBOX_WAIT_CNT
)
9198 /* Forcefully release the outstanding mailbox command if timed out */
9199 if (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
9200 spin_lock_irq(&phba
->hbalock
);
9201 mboxq
= phba
->sli
.mbox_active
;
9202 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
9203 __lpfc_mbox_cmpl_put(phba
, mboxq
);
9204 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
9205 phba
->sli
.mbox_active
= NULL
;
9206 spin_unlock_irq(&phba
->hbalock
);
9209 /* Abort all iocbs associated with the hba */
9210 lpfc_sli_hba_iocb_abort(phba
);
9212 /* Wait for completion of device XRI exchange busy */
9213 lpfc_sli4_xri_exchange_busy_wait(phba
);
9215 /* Disable PCI subsystem interrupt */
9216 lpfc_sli4_disable_intr(phba
);
9218 /* Disable SR-IOV if enabled */
9219 if (phba
->cfg_sriov_nr_virtfn
)
9220 pci_disable_sriov(pdev
);
9222 /* Stop kthread signal shall trigger work_done one more time */
9223 kthread_stop(phba
->worker_thread
);
9225 /* Reset SLI4 HBA FCoE function */
9226 lpfc_pci_function_reset(phba
);
9227 lpfc_sli4_queue_destroy(phba
);
9229 /* Stop the SLI4 device port */
9230 phba
->pport
->work_port_events
= 0;
9234 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
9235 * @phba: Pointer to HBA context object.
9236 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
9238 * This function is called in the SLI4 code path to read the port's
9239 * sli4 capabilities.
9241 * This function may be be called from any context that can block-wait
9242 * for the completion. The expectation is that this routine is called
9243 * typically from probe_one or from the online routine.
9246 lpfc_pc_sli4_params_get(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
9249 struct lpfc_mqe
*mqe
;
9250 struct lpfc_pc_sli4_params
*sli4_params
;
9254 mqe
= &mboxq
->u
.mqe
;
9256 /* Read the port's SLI4 Parameters port capabilities */
9257 lpfc_pc_sli4_params(mboxq
);
9258 if (!phba
->sli4_hba
.intr_enable
)
9259 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
9261 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
9262 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
9268 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
9269 sli4_params
->if_type
= bf_get(if_type
, &mqe
->un
.sli4_params
);
9270 sli4_params
->sli_rev
= bf_get(sli_rev
, &mqe
->un
.sli4_params
);
9271 sli4_params
->sli_family
= bf_get(sli_family
, &mqe
->un
.sli4_params
);
9272 sli4_params
->featurelevel_1
= bf_get(featurelevel_1
,
9273 &mqe
->un
.sli4_params
);
9274 sli4_params
->featurelevel_2
= bf_get(featurelevel_2
,
9275 &mqe
->un
.sli4_params
);
9276 sli4_params
->proto_types
= mqe
->un
.sli4_params
.word3
;
9277 sli4_params
->sge_supp_len
= mqe
->un
.sli4_params
.sge_supp_len
;
9278 sli4_params
->if_page_sz
= bf_get(if_page_sz
, &mqe
->un
.sli4_params
);
9279 sli4_params
->rq_db_window
= bf_get(rq_db_window
, &mqe
->un
.sli4_params
);
9280 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, &mqe
->un
.sli4_params
);
9281 sli4_params
->eq_pages_max
= bf_get(eq_pages
, &mqe
->un
.sli4_params
);
9282 sli4_params
->eqe_size
= bf_get(eqe_size
, &mqe
->un
.sli4_params
);
9283 sli4_params
->cq_pages_max
= bf_get(cq_pages
, &mqe
->un
.sli4_params
);
9284 sli4_params
->cqe_size
= bf_get(cqe_size
, &mqe
->un
.sli4_params
);
9285 sli4_params
->mq_pages_max
= bf_get(mq_pages
, &mqe
->un
.sli4_params
);
9286 sli4_params
->mqe_size
= bf_get(mqe_size
, &mqe
->un
.sli4_params
);
9287 sli4_params
->mq_elem_cnt
= bf_get(mq_elem_cnt
, &mqe
->un
.sli4_params
);
9288 sli4_params
->wq_pages_max
= bf_get(wq_pages
, &mqe
->un
.sli4_params
);
9289 sli4_params
->wqe_size
= bf_get(wqe_size
, &mqe
->un
.sli4_params
);
9290 sli4_params
->rq_pages_max
= bf_get(rq_pages
, &mqe
->un
.sli4_params
);
9291 sli4_params
->rqe_size
= bf_get(rqe_size
, &mqe
->un
.sli4_params
);
9292 sli4_params
->hdr_pages_max
= bf_get(hdr_pages
, &mqe
->un
.sli4_params
);
9293 sli4_params
->hdr_size
= bf_get(hdr_size
, &mqe
->un
.sli4_params
);
9294 sli4_params
->hdr_pp_align
= bf_get(hdr_pp_align
, &mqe
->un
.sli4_params
);
9295 sli4_params
->sgl_pages_max
= bf_get(sgl_pages
, &mqe
->un
.sli4_params
);
9296 sli4_params
->sgl_pp_align
= bf_get(sgl_pp_align
, &mqe
->un
.sli4_params
);
9298 /* Make sure that sge_supp_len can be handled by the driver */
9299 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
9300 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
9306 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
9307 * @phba: Pointer to HBA context object.
9308 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
9310 * This function is called in the SLI4 code path to read the port's
9311 * sli4 capabilities.
9313 * This function may be be called from any context that can block-wait
9314 * for the completion. The expectation is that this routine is called
9315 * typically from probe_one or from the online routine.
9318 lpfc_get_sli4_parameters(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
9321 struct lpfc_mqe
*mqe
= &mboxq
->u
.mqe
;
9322 struct lpfc_pc_sli4_params
*sli4_params
;
9325 struct lpfc_sli4_parameters
*mbx_sli4_parameters
;
9328 * By default, the driver assumes the SLI4 port requires RPI
9329 * header postings. The SLI4_PARAM response will correct this
9332 phba
->sli4_hba
.rpi_hdrs_in_use
= 1;
9334 /* Read the port's SLI4 Config Parameters */
9335 length
= (sizeof(struct lpfc_mbx_get_sli4_parameters
) -
9336 sizeof(struct lpfc_sli4_cfg_mhdr
));
9337 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
9338 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS
,
9339 length
, LPFC_SLI4_MBX_EMBED
);
9340 if (!phba
->sli4_hba
.intr_enable
)
9341 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
9343 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
9344 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
9348 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
9349 mbx_sli4_parameters
= &mqe
->un
.get_sli4_parameters
.sli4_parameters
;
9350 sli4_params
->if_type
= bf_get(cfg_if_type
, mbx_sli4_parameters
);
9351 sli4_params
->sli_rev
= bf_get(cfg_sli_rev
, mbx_sli4_parameters
);
9352 sli4_params
->sli_family
= bf_get(cfg_sli_family
, mbx_sli4_parameters
);
9353 sli4_params
->featurelevel_1
= bf_get(cfg_sli_hint_1
,
9354 mbx_sli4_parameters
);
9355 sli4_params
->featurelevel_2
= bf_get(cfg_sli_hint_2
,
9356 mbx_sli4_parameters
);
9357 if (bf_get(cfg_phwq
, mbx_sli4_parameters
))
9358 phba
->sli3_options
|= LPFC_SLI4_PHWQ_ENABLED
;
9360 phba
->sli3_options
&= ~LPFC_SLI4_PHWQ_ENABLED
;
9361 sli4_params
->sge_supp_len
= mbx_sli4_parameters
->sge_supp_len
;
9362 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, mbx_sli4_parameters
);
9363 sli4_params
->oas_supported
= bf_get(cfg_oas
, mbx_sli4_parameters
);
9364 sli4_params
->cqv
= bf_get(cfg_cqv
, mbx_sli4_parameters
);
9365 sli4_params
->mqv
= bf_get(cfg_mqv
, mbx_sli4_parameters
);
9366 sli4_params
->wqv
= bf_get(cfg_wqv
, mbx_sli4_parameters
);
9367 sli4_params
->rqv
= bf_get(cfg_rqv
, mbx_sli4_parameters
);
9368 sli4_params
->wqsize
= bf_get(cfg_wqsize
, mbx_sli4_parameters
);
9369 sli4_params
->sgl_pages_max
= bf_get(cfg_sgl_page_cnt
,
9370 mbx_sli4_parameters
);
9371 sli4_params
->sgl_pp_align
= bf_get(cfg_sgl_pp_align
,
9372 mbx_sli4_parameters
);
9373 phba
->sli4_hba
.extents_in_use
= bf_get(cfg_ext
, mbx_sli4_parameters
);
9374 phba
->sli4_hba
.rpi_hdrs_in_use
= bf_get(cfg_hdrr
, mbx_sli4_parameters
);
9376 /* Make sure that sge_supp_len can be handled by the driver */
9377 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
9378 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
9384 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
9385 * @pdev: pointer to PCI device
9386 * @pid: pointer to PCI device identifier
9388 * This routine is to be called to attach a device with SLI-3 interface spec
9389 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
9390 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
9391 * information of the device and driver to see if the driver state that it can
9392 * support this kind of device. If the match is successful, the driver core
9393 * invokes this routine. If this routine determines it can claim the HBA, it
9394 * does all the initialization that it needs to do to handle the HBA properly.
9397 * 0 - driver can claim the device
9398 * negative value - driver can not claim the device
9401 lpfc_pci_probe_one_s3(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
9403 struct lpfc_hba
*phba
;
9404 struct lpfc_vport
*vport
= NULL
;
9405 struct Scsi_Host
*shost
= NULL
;
9407 uint32_t cfg_mode
, intr_mode
;
9409 /* Allocate memory for HBA structure */
9410 phba
= lpfc_hba_alloc(pdev
);
9414 /* Perform generic PCI device enabling operation */
9415 error
= lpfc_enable_pci_dev(phba
);
9419 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
9420 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_LP
);
9422 goto out_disable_pci_dev
;
9424 /* Set up SLI-3 specific device PCI memory space */
9425 error
= lpfc_sli_pci_mem_setup(phba
);
9427 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9428 "1402 Failed to set up pci memory space.\n");
9429 goto out_disable_pci_dev
;
9432 /* Set up phase-1 common device driver resources */
9433 error
= lpfc_setup_driver_resource_phase1(phba
);
9435 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9436 "1403 Failed to set up driver resource.\n");
9437 goto out_unset_pci_mem_s3
;
9440 /* Set up SLI-3 specific device driver resources */
9441 error
= lpfc_sli_driver_resource_setup(phba
);
9443 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9444 "1404 Failed to set up driver resource.\n");
9445 goto out_unset_pci_mem_s3
;
9448 /* Initialize and populate the iocb list per host */
9449 error
= lpfc_init_iocb_list(phba
, LPFC_IOCB_LIST_CNT
);
9451 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9452 "1405 Failed to initialize iocb list.\n");
9453 goto out_unset_driver_resource_s3
;
9456 /* Set up common device driver resources */
9457 error
= lpfc_setup_driver_resource_phase2(phba
);
9459 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9460 "1406 Failed to set up driver resource.\n");
9461 goto out_free_iocb_list
;
9464 /* Get the default values for Model Name and Description */
9465 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
9467 /* Create SCSI host to the physical port */
9468 error
= lpfc_create_shost(phba
);
9470 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9471 "1407 Failed to create scsi host.\n");
9472 goto out_unset_driver_resource
;
9475 /* Configure sysfs attributes */
9476 vport
= phba
->pport
;
9477 error
= lpfc_alloc_sysfs_attr(vport
);
9479 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9480 "1476 Failed to allocate sysfs attr\n");
9481 goto out_destroy_shost
;
9484 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
9485 /* Now, trying to enable interrupt and bring up the device */
9486 cfg_mode
= phba
->cfg_use_msi
;
9488 /* Put device to a known state before enabling interrupt */
9489 lpfc_stop_port(phba
);
9490 /* Configure and enable interrupt */
9491 intr_mode
= lpfc_sli_enable_intr(phba
, cfg_mode
);
9492 if (intr_mode
== LPFC_INTR_ERROR
) {
9493 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9494 "0431 Failed to enable interrupt.\n");
9496 goto out_free_sysfs_attr
;
9498 /* SLI-3 HBA setup */
9499 if (lpfc_sli_hba_setup(phba
)) {
9500 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9501 "1477 Failed to set up hba\n");
9503 goto out_remove_device
;
9506 /* Wait 50ms for the interrupts of previous mailbox commands */
9508 /* Check active interrupts on message signaled interrupts */
9509 if (intr_mode
== 0 ||
9510 phba
->sli
.slistat
.sli_intr
> LPFC_MSIX_VECTORS
) {
9511 /* Log the current active interrupt mode */
9512 phba
->intr_mode
= intr_mode
;
9513 lpfc_log_intr_mode(phba
, intr_mode
);
9516 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9517 "0447 Configure interrupt mode (%d) "
9518 "failed active interrupt test.\n",
9520 /* Disable the current interrupt mode */
9521 lpfc_sli_disable_intr(phba
);
9522 /* Try next level of interrupt mode */
9523 cfg_mode
= --intr_mode
;
9527 /* Perform post initialization setup */
9528 lpfc_post_init_setup(phba
);
9530 /* Check if there are static vports to be created. */
9531 lpfc_create_static_vport(phba
);
9536 lpfc_unset_hba(phba
);
9537 out_free_sysfs_attr
:
9538 lpfc_free_sysfs_attr(vport
);
9540 lpfc_destroy_shost(phba
);
9541 out_unset_driver_resource
:
9542 lpfc_unset_driver_resource_phase2(phba
);
9544 lpfc_free_iocb_list(phba
);
9545 out_unset_driver_resource_s3
:
9546 lpfc_sli_driver_resource_unset(phba
);
9547 out_unset_pci_mem_s3
:
9548 lpfc_sli_pci_mem_unset(phba
);
9549 out_disable_pci_dev
:
9550 lpfc_disable_pci_dev(phba
);
9552 scsi_host_put(shost
);
9554 lpfc_hba_free(phba
);
9559 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
9560 * @pdev: pointer to PCI device
9562 * This routine is to be called to disattach a device with SLI-3 interface
9563 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
9564 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9565 * device to be removed from the PCI subsystem properly.
9568 lpfc_pci_remove_one_s3(struct pci_dev
*pdev
)
9570 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9571 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
9572 struct lpfc_vport
**vports
;
9573 struct lpfc_hba
*phba
= vport
->phba
;
9575 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
9577 spin_lock_irq(&phba
->hbalock
);
9578 vport
->load_flag
|= FC_UNLOADING
;
9579 spin_unlock_irq(&phba
->hbalock
);
9581 lpfc_free_sysfs_attr(vport
);
9583 /* Release all the vports against this physical port */
9584 vports
= lpfc_create_vport_work_array(phba
);
9586 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
9587 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
9589 fc_vport_terminate(vports
[i
]->fc_vport
);
9591 lpfc_destroy_vport_work_array(phba
, vports
);
9593 /* Remove FC host and then SCSI host with the physical port */
9594 fc_remove_host(shost
);
9595 scsi_remove_host(shost
);
9596 lpfc_cleanup(vport
);
9599 * Bring down the SLI Layer. This step disable all interrupts,
9600 * clears the rings, discards all mailbox commands, and resets
9604 /* HBA interrupt will be disabled after this call */
9605 lpfc_sli_hba_down(phba
);
9606 /* Stop kthread signal shall trigger work_done one more time */
9607 kthread_stop(phba
->worker_thread
);
9608 /* Final cleanup of txcmplq and reset the HBA */
9609 lpfc_sli_brdrestart(phba
);
9611 kfree(phba
->vpi_bmask
);
9612 kfree(phba
->vpi_ids
);
9614 lpfc_stop_hba_timers(phba
);
9615 spin_lock_irq(&phba
->hbalock
);
9616 list_del_init(&vport
->listentry
);
9617 spin_unlock_irq(&phba
->hbalock
);
9619 lpfc_debugfs_terminate(vport
);
9621 /* Disable SR-IOV if enabled */
9622 if (phba
->cfg_sriov_nr_virtfn
)
9623 pci_disable_sriov(pdev
);
9625 /* Disable interrupt */
9626 lpfc_sli_disable_intr(phba
);
9628 scsi_host_put(shost
);
9631 * Call scsi_free before mem_free since scsi bufs are released to their
9632 * corresponding pools here.
9634 lpfc_scsi_free(phba
);
9635 lpfc_mem_free_all(phba
);
9637 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
9638 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
9640 /* Free resources associated with SLI2 interface */
9641 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
9642 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
9644 /* unmap adapter SLIM and Control Registers */
9645 iounmap(phba
->ctrl_regs_memmap_p
);
9646 iounmap(phba
->slim_memmap_p
);
9648 lpfc_hba_free(phba
);
9650 pci_release_selected_regions(pdev
, bars
);
9651 pci_disable_device(pdev
);
9655 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
9656 * @pdev: pointer to PCI device
9657 * @msg: power management message
9659 * This routine is to be called from the kernel's PCI subsystem to support
9660 * system Power Management (PM) to device with SLI-3 interface spec. When
9661 * PM invokes this method, it quiesces the device by stopping the driver's
9662 * worker thread for the device, turning off device's interrupt and DMA,
9663 * and bring the device offline. Note that as the driver implements the
9664 * minimum PM requirements to a power-aware driver's PM support for the
9665 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9666 * to the suspend() method call will be treated as SUSPEND and the driver will
9667 * fully reinitialize its device during resume() method call, the driver will
9668 * set device to PCI_D3hot state in PCI config space instead of setting it
9669 * according to the @msg provided by the PM.
9672 * 0 - driver suspended the device
9676 lpfc_pci_suspend_one_s3(struct pci_dev
*pdev
, pm_message_t msg
)
9678 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9679 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9681 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9682 "0473 PCI device Power Management suspend.\n");
9684 /* Bring down the device */
9685 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
9687 kthread_stop(phba
->worker_thread
);
9689 /* Disable interrupt from device */
9690 lpfc_sli_disable_intr(phba
);
9692 /* Save device state to PCI config space */
9693 pci_save_state(pdev
);
9694 pci_set_power_state(pdev
, PCI_D3hot
);
9700 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
9701 * @pdev: pointer to PCI device
9703 * This routine is to be called from the kernel's PCI subsystem to support
9704 * system Power Management (PM) to device with SLI-3 interface spec. When PM
9705 * invokes this method, it restores the device's PCI config space state and
9706 * fully reinitializes the device and brings it online. Note that as the
9707 * driver implements the minimum PM requirements to a power-aware driver's
9708 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
9709 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
9710 * driver will fully reinitialize its device during resume() method call,
9711 * the device will be set to PCI_D0 directly in PCI config space before
9712 * restoring the state.
9715 * 0 - driver suspended the device
9719 lpfc_pci_resume_one_s3(struct pci_dev
*pdev
)
9721 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9722 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9726 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9727 "0452 PCI device Power Management resume.\n");
9729 /* Restore device state from PCI config space */
9730 pci_set_power_state(pdev
, PCI_D0
);
9731 pci_restore_state(pdev
);
9734 * As the new kernel behavior of pci_restore_state() API call clears
9735 * device saved_state flag, need to save the restored state again.
9737 pci_save_state(pdev
);
9739 if (pdev
->is_busmaster
)
9740 pci_set_master(pdev
);
9742 /* Startup the kernel thread for this host adapter. */
9743 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
9744 "lpfc_worker_%d", phba
->brd_no
);
9745 if (IS_ERR(phba
->worker_thread
)) {
9746 error
= PTR_ERR(phba
->worker_thread
);
9747 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9748 "0434 PM resume failed to start worker "
9749 "thread: error=x%x.\n", error
);
9753 /* Configure and enable interrupt */
9754 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
9755 if (intr_mode
== LPFC_INTR_ERROR
) {
9756 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9757 "0430 PM resume Failed to enable interrupt\n");
9760 phba
->intr_mode
= intr_mode
;
9762 /* Restart HBA and bring it online */
9763 lpfc_sli_brdrestart(phba
);
9766 /* Log the current active interrupt mode */
9767 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9773 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
9774 * @phba: pointer to lpfc hba data structure.
9776 * This routine is called to prepare the SLI3 device for PCI slot recover. It
9777 * aborts all the outstanding SCSI I/Os to the pci device.
9780 lpfc_sli_prep_dev_for_recover(struct lpfc_hba
*phba
)
9782 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9783 "2723 PCI channel I/O abort preparing for recovery\n");
9786 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9787 * and let the SCSI mid-layer to retry them to recover.
9789 lpfc_sli_abort_fcp_rings(phba
);
9793 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
9794 * @phba: pointer to lpfc hba data structure.
9796 * This routine is called to prepare the SLI3 device for PCI slot reset. It
9797 * disables the device interrupt and pci device, and aborts the internal FCP
9801 lpfc_sli_prep_dev_for_reset(struct lpfc_hba
*phba
)
9803 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9804 "2710 PCI channel disable preparing for reset\n");
9806 /* Block any management I/Os to the device */
9807 lpfc_block_mgmt_io(phba
, LPFC_MBX_WAIT
);
9809 /* Block all SCSI devices' I/Os on the host */
9810 lpfc_scsi_dev_block(phba
);
9812 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9813 lpfc_sli_flush_fcp_rings(phba
);
9815 /* stop all timers */
9816 lpfc_stop_hba_timers(phba
);
9818 /* Disable interrupt and pci device */
9819 lpfc_sli_disable_intr(phba
);
9820 pci_disable_device(phba
->pcidev
);
9824 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
9825 * @phba: pointer to lpfc hba data structure.
9827 * This routine is called to prepare the SLI3 device for PCI slot permanently
9828 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9832 lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
9834 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9835 "2711 PCI channel permanent disable for failure\n");
9836 /* Block all SCSI devices' I/Os on the host */
9837 lpfc_scsi_dev_block(phba
);
9839 /* stop all timers */
9840 lpfc_stop_hba_timers(phba
);
9842 /* Clean up all driver's outstanding SCSI I/Os */
9843 lpfc_sli_flush_fcp_rings(phba
);
9847 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
9848 * @pdev: pointer to PCI device.
9849 * @state: the current PCI connection state.
9851 * This routine is called from the PCI subsystem for I/O error handling to
9852 * device with SLI-3 interface spec. This function is called by the PCI
9853 * subsystem after a PCI bus error affecting this device has been detected.
9854 * When this function is invoked, it will need to stop all the I/Os and
9855 * interrupt(s) to the device. Once that is done, it will return
9856 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
9860 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
9861 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9862 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9864 static pci_ers_result_t
9865 lpfc_io_error_detected_s3(struct pci_dev
*pdev
, pci_channel_state_t state
)
9867 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9868 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9871 case pci_channel_io_normal
:
9872 /* Non-fatal error, prepare for recovery */
9873 lpfc_sli_prep_dev_for_recover(phba
);
9874 return PCI_ERS_RESULT_CAN_RECOVER
;
9875 case pci_channel_io_frozen
:
9876 /* Fatal error, prepare for slot reset */
9877 lpfc_sli_prep_dev_for_reset(phba
);
9878 return PCI_ERS_RESULT_NEED_RESET
;
9879 case pci_channel_io_perm_failure
:
9880 /* Permanent failure, prepare for device down */
9881 lpfc_sli_prep_dev_for_perm_failure(phba
);
9882 return PCI_ERS_RESULT_DISCONNECT
;
9884 /* Unknown state, prepare and request slot reset */
9885 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9886 "0472 Unknown PCI error state: x%x\n", state
);
9887 lpfc_sli_prep_dev_for_reset(phba
);
9888 return PCI_ERS_RESULT_NEED_RESET
;
9893 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
9894 * @pdev: pointer to PCI device.
9896 * This routine is called from the PCI subsystem for error handling to
9897 * device with SLI-3 interface spec. This is called after PCI bus has been
9898 * reset to restart the PCI card from scratch, as if from a cold-boot.
9899 * During the PCI subsystem error recovery, after driver returns
9900 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
9901 * recovery and then call this routine before calling the .resume method
9902 * to recover the device. This function will initialize the HBA device,
9903 * enable the interrupt, but it will just put the HBA to offline state
9904 * without passing any I/O traffic.
9907 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9908 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9910 static pci_ers_result_t
9911 lpfc_io_slot_reset_s3(struct pci_dev
*pdev
)
9913 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9914 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9915 struct lpfc_sli
*psli
= &phba
->sli
;
9918 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
9919 if (pci_enable_device_mem(pdev
)) {
9920 printk(KERN_ERR
"lpfc: Cannot re-enable "
9921 "PCI device after reset.\n");
9922 return PCI_ERS_RESULT_DISCONNECT
;
9925 pci_restore_state(pdev
);
9928 * As the new kernel behavior of pci_restore_state() API call clears
9929 * device saved_state flag, need to save the restored state again.
9931 pci_save_state(pdev
);
9933 if (pdev
->is_busmaster
)
9934 pci_set_master(pdev
);
9936 spin_lock_irq(&phba
->hbalock
);
9937 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
9938 spin_unlock_irq(&phba
->hbalock
);
9940 /* Configure and enable interrupt */
9941 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
9942 if (intr_mode
== LPFC_INTR_ERROR
) {
9943 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9944 "0427 Cannot re-enable interrupt after "
9946 return PCI_ERS_RESULT_DISCONNECT
;
9948 phba
->intr_mode
= intr_mode
;
9950 /* Take device offline, it will perform cleanup */
9951 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
9953 lpfc_sli_brdrestart(phba
);
9955 /* Log the current active interrupt mode */
9956 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9958 return PCI_ERS_RESULT_RECOVERED
;
9962 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
9963 * @pdev: pointer to PCI device
9965 * This routine is called from the PCI subsystem for error handling to device
9966 * with SLI-3 interface spec. It is called when kernel error recovery tells
9967 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
9968 * error recovery. After this call, traffic can start to flow from this device
9972 lpfc_io_resume_s3(struct pci_dev
*pdev
)
9974 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9975 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9977 /* Bring device online, it will be no-op for non-fatal error resume */
9980 /* Clean up Advanced Error Reporting (AER) if needed */
9981 if (phba
->hba_flag
& HBA_AER_ENABLED
)
9982 pci_cleanup_aer_uncorrect_error_status(pdev
);
9986 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
9987 * @phba: pointer to lpfc hba data structure.
9989 * returns the number of ELS/CT IOCBs to reserve
9992 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*phba
)
9994 int max_xri
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
9996 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
9999 else if (max_xri
<= 256)
10001 else if (max_xri
<= 512)
10003 else if (max_xri
<= 1024)
10005 else if (max_xri
<= 1536)
10007 else if (max_xri
<= 2048)
10016 * lpfc_write_firmware - attempt to write a firmware image to the port
10017 * @fw: pointer to firmware image returned from request_firmware.
10018 * @phba: pointer to lpfc hba data structure.
10022 lpfc_write_firmware(const struct firmware
*fw
, void *context
)
10024 struct lpfc_hba
*phba
= (struct lpfc_hba
*)context
;
10025 char fwrev
[FW_REV_STR_SIZE
];
10026 struct lpfc_grp_hdr
*image
;
10027 struct list_head dma_buffer_list
;
10029 struct lpfc_dmabuf
*dmabuf
, *next
;
10030 uint32_t offset
= 0, temp_offset
= 0;
10032 /* It can be null in no-wait mode, sanity check */
10037 image
= (struct lpfc_grp_hdr
*)fw
->data
;
10039 INIT_LIST_HEAD(&dma_buffer_list
);
10040 if ((be32_to_cpu(image
->magic_number
) != LPFC_GROUP_OJECT_MAGIC_NUM
) ||
10041 (bf_get_be32(lpfc_grp_hdr_file_type
, image
) !=
10042 LPFC_FILE_TYPE_GROUP
) ||
10043 (bf_get_be32(lpfc_grp_hdr_id
, image
) != LPFC_FILE_ID_GROUP
) ||
10044 (be32_to_cpu(image
->size
) != fw
->size
)) {
10045 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10046 "3022 Invalid FW image found. "
10047 "Magic:%x Type:%x ID:%x\n",
10048 be32_to_cpu(image
->magic_number
),
10049 bf_get_be32(lpfc_grp_hdr_file_type
, image
),
10050 bf_get_be32(lpfc_grp_hdr_id
, image
));
10054 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
10055 if (strncmp(fwrev
, image
->revision
, strnlen(image
->revision
, 16))) {
10056 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10057 "3023 Updating Firmware, Current Version:%s "
10058 "New Version:%s\n",
10059 fwrev
, image
->revision
);
10060 for (i
= 0; i
< LPFC_MBX_WR_CONFIG_MAX_BDE
; i
++) {
10061 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
),
10067 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
10071 if (!dmabuf
->virt
) {
10076 list_add_tail(&dmabuf
->list
, &dma_buffer_list
);
10078 while (offset
< fw
->size
) {
10079 temp_offset
= offset
;
10080 list_for_each_entry(dmabuf
, &dma_buffer_list
, list
) {
10081 if (temp_offset
+ SLI4_PAGE_SIZE
> fw
->size
) {
10082 memcpy(dmabuf
->virt
,
10083 fw
->data
+ temp_offset
,
10084 fw
->size
- temp_offset
);
10085 temp_offset
= fw
->size
;
10088 memcpy(dmabuf
->virt
, fw
->data
+ temp_offset
,
10090 temp_offset
+= SLI4_PAGE_SIZE
;
10092 rc
= lpfc_wr_object(phba
, &dma_buffer_list
,
10093 (fw
->size
- offset
), &offset
);
10101 list_for_each_entry_safe(dmabuf
, next
, &dma_buffer_list
, list
) {
10102 list_del(&dmabuf
->list
);
10103 dma_free_coherent(&phba
->pcidev
->dev
, SLI4_PAGE_SIZE
,
10104 dmabuf
->virt
, dmabuf
->phys
);
10107 release_firmware(fw
);
10109 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10110 "3024 Firmware update done: %d.\n", rc
);
10115 * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade
10116 * @phba: pointer to lpfc hba data structure.
10118 * This routine is called to perform Linux generic firmware upgrade on device
10119 * that supports such feature.
10122 lpfc_sli4_request_firmware_update(struct lpfc_hba
*phba
, uint8_t fw_upgrade
)
10124 uint8_t file_name
[ELX_MODEL_NAME_SIZE
];
10126 const struct firmware
*fw
;
10128 /* Only supported on SLI4 interface type 2 for now */
10129 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
10130 LPFC_SLI_INTF_IF_TYPE_2
)
10133 snprintf(file_name
, ELX_MODEL_NAME_SIZE
, "%s.grp", phba
->ModelName
);
10135 if (fw_upgrade
== INT_FW_UPGRADE
) {
10136 ret
= request_firmware_nowait(THIS_MODULE
, FW_ACTION_HOTPLUG
,
10137 file_name
, &phba
->pcidev
->dev
,
10138 GFP_KERNEL
, (void *)phba
,
10139 lpfc_write_firmware
);
10140 } else if (fw_upgrade
== RUN_FW_UPGRADE
) {
10141 ret
= request_firmware(&fw
, file_name
, &phba
->pcidev
->dev
);
10143 lpfc_write_firmware(fw
, (void *)phba
);
10152 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
10153 * @pdev: pointer to PCI device
10154 * @pid: pointer to PCI device identifier
10156 * This routine is called from the kernel's PCI subsystem to device with
10157 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
10158 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
10159 * information of the device and driver to see if the driver state that it
10160 * can support this kind of device. If the match is successful, the driver
10161 * core invokes this routine. If this routine determines it can claim the HBA,
10162 * it does all the initialization that it needs to do to handle the HBA
10166 * 0 - driver can claim the device
10167 * negative value - driver can not claim the device
10170 lpfc_pci_probe_one_s4(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
10172 struct lpfc_hba
*phba
;
10173 struct lpfc_vport
*vport
= NULL
;
10174 struct Scsi_Host
*shost
= NULL
;
10176 uint32_t cfg_mode
, intr_mode
;
10177 int adjusted_fcp_io_channel
;
10179 /* Allocate memory for HBA structure */
10180 phba
= lpfc_hba_alloc(pdev
);
10184 /* Perform generic PCI device enabling operation */
10185 error
= lpfc_enable_pci_dev(phba
);
10187 goto out_free_phba
;
10189 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
10190 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_OC
);
10192 goto out_disable_pci_dev
;
10194 /* Set up SLI-4 specific device PCI memory space */
10195 error
= lpfc_sli4_pci_mem_setup(phba
);
10197 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10198 "1410 Failed to set up pci memory space.\n");
10199 goto out_disable_pci_dev
;
10202 /* Set up phase-1 common device driver resources */
10203 error
= lpfc_setup_driver_resource_phase1(phba
);
10205 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10206 "1411 Failed to set up driver resource.\n");
10207 goto out_unset_pci_mem_s4
;
10210 /* Set up SLI-4 Specific device driver resources */
10211 error
= lpfc_sli4_driver_resource_setup(phba
);
10213 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10214 "1412 Failed to set up driver resource.\n");
10215 goto out_unset_pci_mem_s4
;
10218 /* Initialize and populate the iocb list per host */
10220 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10221 "2821 initialize iocb list %d.\n",
10222 phba
->cfg_iocb_cnt
*1024);
10223 error
= lpfc_init_iocb_list(phba
, phba
->cfg_iocb_cnt
*1024);
10226 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10227 "1413 Failed to initialize iocb list.\n");
10228 goto out_unset_driver_resource_s4
;
10231 INIT_LIST_HEAD(&phba
->active_rrq_list
);
10232 INIT_LIST_HEAD(&phba
->fcf
.fcf_pri_list
);
10234 /* Set up common device driver resources */
10235 error
= lpfc_setup_driver_resource_phase2(phba
);
10237 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10238 "1414 Failed to set up driver resource.\n");
10239 goto out_free_iocb_list
;
10242 /* Get the default values for Model Name and Description */
10243 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
10245 /* Create SCSI host to the physical port */
10246 error
= lpfc_create_shost(phba
);
10248 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10249 "1415 Failed to create scsi host.\n");
10250 goto out_unset_driver_resource
;
10253 /* Configure sysfs attributes */
10254 vport
= phba
->pport
;
10255 error
= lpfc_alloc_sysfs_attr(vport
);
10257 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10258 "1416 Failed to allocate sysfs attr\n");
10259 goto out_destroy_shost
;
10262 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
10263 /* Now, trying to enable interrupt and bring up the device */
10264 cfg_mode
= phba
->cfg_use_msi
;
10266 /* Put device to a known state before enabling interrupt */
10267 lpfc_stop_port(phba
);
10268 /* Configure and enable interrupt */
10269 intr_mode
= lpfc_sli4_enable_intr(phba
, cfg_mode
);
10270 if (intr_mode
== LPFC_INTR_ERROR
) {
10271 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10272 "0426 Failed to enable interrupt.\n");
10274 goto out_free_sysfs_attr
;
10276 /* Default to single EQ for non-MSI-X */
10277 if (phba
->intr_type
!= MSIX
)
10278 adjusted_fcp_io_channel
= 1;
10280 adjusted_fcp_io_channel
= phba
->cfg_fcp_io_channel
;
10281 phba
->cfg_fcp_io_channel
= adjusted_fcp_io_channel
;
10282 /* Set up SLI-4 HBA */
10283 if (lpfc_sli4_hba_setup(phba
)) {
10284 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10285 "1421 Failed to set up hba\n");
10287 goto out_disable_intr
;
10290 /* Log the current active interrupt mode */
10291 phba
->intr_mode
= intr_mode
;
10292 lpfc_log_intr_mode(phba
, intr_mode
);
10294 /* Perform post initialization setup */
10295 lpfc_post_init_setup(phba
);
10297 /* check for firmware upgrade or downgrade */
10298 if (phba
->cfg_request_firmware_upgrade
)
10299 ret
= lpfc_sli4_request_firmware_update(phba
, INT_FW_UPGRADE
);
10301 /* Check if there are static vports to be created. */
10302 lpfc_create_static_vport(phba
);
10306 lpfc_sli4_disable_intr(phba
);
10307 out_free_sysfs_attr
:
10308 lpfc_free_sysfs_attr(vport
);
10310 lpfc_destroy_shost(phba
);
10311 out_unset_driver_resource
:
10312 lpfc_unset_driver_resource_phase2(phba
);
10313 out_free_iocb_list
:
10314 lpfc_free_iocb_list(phba
);
10315 out_unset_driver_resource_s4
:
10316 lpfc_sli4_driver_resource_unset(phba
);
10317 out_unset_pci_mem_s4
:
10318 lpfc_sli4_pci_mem_unset(phba
);
10319 out_disable_pci_dev
:
10320 lpfc_disable_pci_dev(phba
);
10322 scsi_host_put(shost
);
10324 lpfc_hba_free(phba
);
10329 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
10330 * @pdev: pointer to PCI device
10332 * This routine is called from the kernel's PCI subsystem to device with
10333 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
10334 * removed from PCI bus, it performs all the necessary cleanup for the HBA
10335 * device to be removed from the PCI subsystem properly.
10338 lpfc_pci_remove_one_s4(struct pci_dev
*pdev
)
10340 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10341 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
10342 struct lpfc_vport
**vports
;
10343 struct lpfc_hba
*phba
= vport
->phba
;
10346 /* Mark the device unloading flag */
10347 spin_lock_irq(&phba
->hbalock
);
10348 vport
->load_flag
|= FC_UNLOADING
;
10349 spin_unlock_irq(&phba
->hbalock
);
10351 /* Free the HBA sysfs attributes */
10352 lpfc_free_sysfs_attr(vport
);
10354 /* Release all the vports against this physical port */
10355 vports
= lpfc_create_vport_work_array(phba
);
10356 if (vports
!= NULL
)
10357 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
10358 if (vports
[i
]->port_type
== LPFC_PHYSICAL_PORT
)
10360 fc_vport_terminate(vports
[i
]->fc_vport
);
10362 lpfc_destroy_vport_work_array(phba
, vports
);
10364 /* Remove FC host and then SCSI host with the physical port */
10365 fc_remove_host(shost
);
10366 scsi_remove_host(shost
);
10368 /* Perform cleanup on the physical port */
10369 lpfc_cleanup(vport
);
10372 * Bring down the SLI Layer. This step disables all interrupts,
10373 * clears the rings, discards all mailbox commands, and resets
10374 * the HBA FCoE function.
10376 lpfc_debugfs_terminate(vport
);
10377 lpfc_sli4_hba_unset(phba
);
10379 spin_lock_irq(&phba
->hbalock
);
10380 list_del_init(&vport
->listentry
);
10381 spin_unlock_irq(&phba
->hbalock
);
10383 /* Perform scsi free before driver resource_unset since scsi
10384 * buffers are released to their corresponding pools here.
10386 lpfc_scsi_free(phba
);
10388 lpfc_sli4_driver_resource_unset(phba
);
10390 /* Unmap adapter Control and Doorbell registers */
10391 lpfc_sli4_pci_mem_unset(phba
);
10393 /* Release PCI resources and disable device's PCI function */
10394 scsi_host_put(shost
);
10395 lpfc_disable_pci_dev(phba
);
10397 /* Finally, free the driver's device data structure */
10398 lpfc_hba_free(phba
);
10404 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
10405 * @pdev: pointer to PCI device
10406 * @msg: power management message
10408 * This routine is called from the kernel's PCI subsystem to support system
10409 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
10410 * this method, it quiesces the device by stopping the driver's worker
10411 * thread for the device, turning off device's interrupt and DMA, and bring
10412 * the device offline. Note that as the driver implements the minimum PM
10413 * requirements to a power-aware driver's PM support for suspend/resume -- all
10414 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
10415 * method call will be treated as SUSPEND and the driver will fully
10416 * reinitialize its device during resume() method call, the driver will set
10417 * device to PCI_D3hot state in PCI config space instead of setting it
10418 * according to the @msg provided by the PM.
10421 * 0 - driver suspended the device
10425 lpfc_pci_suspend_one_s4(struct pci_dev
*pdev
, pm_message_t msg
)
10427 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10428 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10430 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10431 "2843 PCI device Power Management suspend.\n");
10433 /* Bring down the device */
10434 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
10435 lpfc_offline(phba
);
10436 kthread_stop(phba
->worker_thread
);
10438 /* Disable interrupt from device */
10439 lpfc_sli4_disable_intr(phba
);
10440 lpfc_sli4_queue_destroy(phba
);
10442 /* Save device state to PCI config space */
10443 pci_save_state(pdev
);
10444 pci_set_power_state(pdev
, PCI_D3hot
);
10450 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
10451 * @pdev: pointer to PCI device
10453 * This routine is called from the kernel's PCI subsystem to support system
10454 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
10455 * this method, it restores the device's PCI config space state and fully
10456 * reinitializes the device and brings it online. Note that as the driver
10457 * implements the minimum PM requirements to a power-aware driver's PM for
10458 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
10459 * to the suspend() method call will be treated as SUSPEND and the driver
10460 * will fully reinitialize its device during resume() method call, the device
10461 * will be set to PCI_D0 directly in PCI config space before restoring the
10465 * 0 - driver suspended the device
10469 lpfc_pci_resume_one_s4(struct pci_dev
*pdev
)
10471 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10472 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10473 uint32_t intr_mode
;
10476 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
10477 "0292 PCI device Power Management resume.\n");
10479 /* Restore device state from PCI config space */
10480 pci_set_power_state(pdev
, PCI_D0
);
10481 pci_restore_state(pdev
);
10484 * As the new kernel behavior of pci_restore_state() API call clears
10485 * device saved_state flag, need to save the restored state again.
10487 pci_save_state(pdev
);
10489 if (pdev
->is_busmaster
)
10490 pci_set_master(pdev
);
10492 /* Startup the kernel thread for this host adapter. */
10493 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
10494 "lpfc_worker_%d", phba
->brd_no
);
10495 if (IS_ERR(phba
->worker_thread
)) {
10496 error
= PTR_ERR(phba
->worker_thread
);
10497 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10498 "0293 PM resume failed to start worker "
10499 "thread: error=x%x.\n", error
);
10503 /* Configure and enable interrupt */
10504 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
10505 if (intr_mode
== LPFC_INTR_ERROR
) {
10506 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10507 "0294 PM resume Failed to enable interrupt\n");
10510 phba
->intr_mode
= intr_mode
;
10512 /* Restart HBA and bring it online */
10513 lpfc_sli_brdrestart(phba
);
10516 /* Log the current active interrupt mode */
10517 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
10523 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
10524 * @phba: pointer to lpfc hba data structure.
10526 * This routine is called to prepare the SLI4 device for PCI slot recover. It
10527 * aborts all the outstanding SCSI I/Os to the pci device.
10530 lpfc_sli4_prep_dev_for_recover(struct lpfc_hba
*phba
)
10532 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10533 "2828 PCI channel I/O abort preparing for recovery\n");
10535 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
10536 * and let the SCSI mid-layer to retry them to recover.
10538 lpfc_sli_abort_fcp_rings(phba
);
10542 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
10543 * @phba: pointer to lpfc hba data structure.
10545 * This routine is called to prepare the SLI4 device for PCI slot reset. It
10546 * disables the device interrupt and pci device, and aborts the internal FCP
10550 lpfc_sli4_prep_dev_for_reset(struct lpfc_hba
*phba
)
10552 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10553 "2826 PCI channel disable preparing for reset\n");
10555 /* Block any management I/Os to the device */
10556 lpfc_block_mgmt_io(phba
, LPFC_MBX_NO_WAIT
);
10558 /* Block all SCSI devices' I/Os on the host */
10559 lpfc_scsi_dev_block(phba
);
10561 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
10562 lpfc_sli_flush_fcp_rings(phba
);
10564 /* stop all timers */
10565 lpfc_stop_hba_timers(phba
);
10567 /* Disable interrupt and pci device */
10568 lpfc_sli4_disable_intr(phba
);
10569 lpfc_sli4_queue_destroy(phba
);
10570 pci_disable_device(phba
->pcidev
);
10574 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
10575 * @phba: pointer to lpfc hba data structure.
10577 * This routine is called to prepare the SLI4 device for PCI slot permanently
10578 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
10582 lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
10584 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10585 "2827 PCI channel permanent disable for failure\n");
10587 /* Block all SCSI devices' I/Os on the host */
10588 lpfc_scsi_dev_block(phba
);
10590 /* stop all timers */
10591 lpfc_stop_hba_timers(phba
);
10593 /* Clean up all driver's outstanding SCSI I/Os */
10594 lpfc_sli_flush_fcp_rings(phba
);
10598 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
10599 * @pdev: pointer to PCI device.
10600 * @state: the current PCI connection state.
10602 * This routine is called from the PCI subsystem for error handling to device
10603 * with SLI-4 interface spec. This function is called by the PCI subsystem
10604 * after a PCI bus error affecting this device has been detected. When this
10605 * function is invoked, it will need to stop all the I/Os and interrupt(s)
10606 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
10607 * for the PCI subsystem to perform proper recovery as desired.
10610 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10611 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10613 static pci_ers_result_t
10614 lpfc_io_error_detected_s4(struct pci_dev
*pdev
, pci_channel_state_t state
)
10616 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10617 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10620 case pci_channel_io_normal
:
10621 /* Non-fatal error, prepare for recovery */
10622 lpfc_sli4_prep_dev_for_recover(phba
);
10623 return PCI_ERS_RESULT_CAN_RECOVER
;
10624 case pci_channel_io_frozen
:
10625 /* Fatal error, prepare for slot reset */
10626 lpfc_sli4_prep_dev_for_reset(phba
);
10627 return PCI_ERS_RESULT_NEED_RESET
;
10628 case pci_channel_io_perm_failure
:
10629 /* Permanent failure, prepare for device down */
10630 lpfc_sli4_prep_dev_for_perm_failure(phba
);
10631 return PCI_ERS_RESULT_DISCONNECT
;
10633 /* Unknown state, prepare and request slot reset */
10634 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10635 "2825 Unknown PCI error state: x%x\n", state
);
10636 lpfc_sli4_prep_dev_for_reset(phba
);
10637 return PCI_ERS_RESULT_NEED_RESET
;
10642 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
10643 * @pdev: pointer to PCI device.
10645 * This routine is called from the PCI subsystem for error handling to device
10646 * with SLI-4 interface spec. It is called after PCI bus has been reset to
10647 * restart the PCI card from scratch, as if from a cold-boot. During the
10648 * PCI subsystem error recovery, after the driver returns
10649 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
10650 * recovery and then call this routine before calling the .resume method to
10651 * recover the device. This function will initialize the HBA device, enable
10652 * the interrupt, but it will just put the HBA to offline state without
10653 * passing any I/O traffic.
10656 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10657 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10659 static pci_ers_result_t
10660 lpfc_io_slot_reset_s4(struct pci_dev
*pdev
)
10662 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10663 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10664 struct lpfc_sli
*psli
= &phba
->sli
;
10665 uint32_t intr_mode
;
10667 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
10668 if (pci_enable_device_mem(pdev
)) {
10669 printk(KERN_ERR
"lpfc: Cannot re-enable "
10670 "PCI device after reset.\n");
10671 return PCI_ERS_RESULT_DISCONNECT
;
10674 pci_restore_state(pdev
);
10677 * As the new kernel behavior of pci_restore_state() API call clears
10678 * device saved_state flag, need to save the restored state again.
10680 pci_save_state(pdev
);
10682 if (pdev
->is_busmaster
)
10683 pci_set_master(pdev
);
10685 spin_lock_irq(&phba
->hbalock
);
10686 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
10687 spin_unlock_irq(&phba
->hbalock
);
10689 /* Configure and enable interrupt */
10690 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
10691 if (intr_mode
== LPFC_INTR_ERROR
) {
10692 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10693 "2824 Cannot re-enable interrupt after "
10695 return PCI_ERS_RESULT_DISCONNECT
;
10697 phba
->intr_mode
= intr_mode
;
10699 /* Log the current active interrupt mode */
10700 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
10702 return PCI_ERS_RESULT_RECOVERED
;
10706 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
10707 * @pdev: pointer to PCI device
10709 * This routine is called from the PCI subsystem for error handling to device
10710 * with SLI-4 interface spec. It is called when kernel error recovery tells
10711 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
10712 * error recovery. After this call, traffic can start to flow from this device
10716 lpfc_io_resume_s4(struct pci_dev
*pdev
)
10718 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10719 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10722 * In case of slot reset, as function reset is performed through
10723 * mailbox command which needs DMA to be enabled, this operation
10724 * has to be moved to the io resume phase. Taking device offline
10725 * will perform the necessary cleanup.
10727 if (!(phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)) {
10728 /* Perform device reset */
10729 lpfc_offline_prep(phba
, LPFC_MBX_WAIT
);
10730 lpfc_offline(phba
);
10731 lpfc_sli_brdrestart(phba
);
10732 /* Bring the device back online */
10736 /* Clean up Advanced Error Reporting (AER) if needed */
10737 if (phba
->hba_flag
& HBA_AER_ENABLED
)
10738 pci_cleanup_aer_uncorrect_error_status(pdev
);
10742 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
10743 * @pdev: pointer to PCI device
10744 * @pid: pointer to PCI device identifier
10746 * This routine is to be registered to the kernel's PCI subsystem. When an
10747 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
10748 * at PCI device-specific information of the device and driver to see if the
10749 * driver state that it can support this kind of device. If the match is
10750 * successful, the driver core invokes this routine. This routine dispatches
10751 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
10752 * do all the initialization that it needs to do to handle the HBA device
10756 * 0 - driver can claim the device
10757 * negative value - driver can not claim the device
10760 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
10763 struct lpfc_sli_intf intf
;
10765 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
, &intf
.word0
))
10768 if ((bf_get(lpfc_sli_intf_valid
, &intf
) == LPFC_SLI_INTF_VALID
) &&
10769 (bf_get(lpfc_sli_intf_slirev
, &intf
) == LPFC_SLI_INTF_REV_SLI4
))
10770 rc
= lpfc_pci_probe_one_s4(pdev
, pid
);
10772 rc
= lpfc_pci_probe_one_s3(pdev
, pid
);
10778 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
10779 * @pdev: pointer to PCI device
10781 * This routine is to be registered to the kernel's PCI subsystem. When an
10782 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
10783 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
10784 * remove routine, which will perform all the necessary cleanup for the
10785 * device to be removed from the PCI subsystem properly.
10788 lpfc_pci_remove_one(struct pci_dev
*pdev
)
10790 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10791 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10793 switch (phba
->pci_dev_grp
) {
10794 case LPFC_PCI_DEV_LP
:
10795 lpfc_pci_remove_one_s3(pdev
);
10797 case LPFC_PCI_DEV_OC
:
10798 lpfc_pci_remove_one_s4(pdev
);
10801 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10802 "1424 Invalid PCI device group: 0x%x\n",
10803 phba
->pci_dev_grp
);
10810 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
10811 * @pdev: pointer to PCI device
10812 * @msg: power management message
10814 * This routine is to be registered to the kernel's PCI subsystem to support
10815 * system Power Management (PM). When PM invokes this method, it dispatches
10816 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
10817 * suspend the device.
10820 * 0 - driver suspended the device
10824 lpfc_pci_suspend_one(struct pci_dev
*pdev
, pm_message_t msg
)
10826 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10827 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10830 switch (phba
->pci_dev_grp
) {
10831 case LPFC_PCI_DEV_LP
:
10832 rc
= lpfc_pci_suspend_one_s3(pdev
, msg
);
10834 case LPFC_PCI_DEV_OC
:
10835 rc
= lpfc_pci_suspend_one_s4(pdev
, msg
);
10838 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10839 "1425 Invalid PCI device group: 0x%x\n",
10840 phba
->pci_dev_grp
);
10847 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
10848 * @pdev: pointer to PCI device
10850 * This routine is to be registered to the kernel's PCI subsystem to support
10851 * system Power Management (PM). When PM invokes this method, it dispatches
10852 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
10853 * resume the device.
10856 * 0 - driver suspended the device
10860 lpfc_pci_resume_one(struct pci_dev
*pdev
)
10862 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10863 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10866 switch (phba
->pci_dev_grp
) {
10867 case LPFC_PCI_DEV_LP
:
10868 rc
= lpfc_pci_resume_one_s3(pdev
);
10870 case LPFC_PCI_DEV_OC
:
10871 rc
= lpfc_pci_resume_one_s4(pdev
);
10874 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10875 "1426 Invalid PCI device group: 0x%x\n",
10876 phba
->pci_dev_grp
);
10883 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
10884 * @pdev: pointer to PCI device.
10885 * @state: the current PCI connection state.
10887 * This routine is registered to the PCI subsystem for error handling. This
10888 * function is called by the PCI subsystem after a PCI bus error affecting
10889 * this device has been detected. When this routine is invoked, it dispatches
10890 * the action to the proper SLI-3 or SLI-4 device error detected handling
10891 * routine, which will perform the proper error detected operation.
10894 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10895 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10897 static pci_ers_result_t
10898 lpfc_io_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
10900 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10901 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10902 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
10904 switch (phba
->pci_dev_grp
) {
10905 case LPFC_PCI_DEV_LP
:
10906 rc
= lpfc_io_error_detected_s3(pdev
, state
);
10908 case LPFC_PCI_DEV_OC
:
10909 rc
= lpfc_io_error_detected_s4(pdev
, state
);
10912 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10913 "1427 Invalid PCI device group: 0x%x\n",
10914 phba
->pci_dev_grp
);
10921 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
10922 * @pdev: pointer to PCI device.
10924 * This routine is registered to the PCI subsystem for error handling. This
10925 * function is called after PCI bus has been reset to restart the PCI card
10926 * from scratch, as if from a cold-boot. When this routine is invoked, it
10927 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
10928 * routine, which will perform the proper device reset.
10931 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10932 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10934 static pci_ers_result_t
10935 lpfc_io_slot_reset(struct pci_dev
*pdev
)
10937 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10938 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10939 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
10941 switch (phba
->pci_dev_grp
) {
10942 case LPFC_PCI_DEV_LP
:
10943 rc
= lpfc_io_slot_reset_s3(pdev
);
10945 case LPFC_PCI_DEV_OC
:
10946 rc
= lpfc_io_slot_reset_s4(pdev
);
10949 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10950 "1428 Invalid PCI device group: 0x%x\n",
10951 phba
->pci_dev_grp
);
10958 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
10959 * @pdev: pointer to PCI device
10961 * This routine is registered to the PCI subsystem for error handling. It
10962 * is called when kernel error recovery tells the lpfc driver that it is
10963 * OK to resume normal PCI operation after PCI bus error recovery. When
10964 * this routine is invoked, it dispatches the action to the proper SLI-3
10965 * or SLI-4 device io_resume routine, which will resume the device operation.
10968 lpfc_io_resume(struct pci_dev
*pdev
)
10970 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
10971 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
10973 switch (phba
->pci_dev_grp
) {
10974 case LPFC_PCI_DEV_LP
:
10975 lpfc_io_resume_s3(pdev
);
10977 case LPFC_PCI_DEV_OC
:
10978 lpfc_io_resume_s4(pdev
);
10981 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10982 "1429 Invalid PCI device group: 0x%x\n",
10983 phba
->pci_dev_grp
);
10990 * lpfc_sli4_oas_verify - Verify OAS is supported by this adapter
10991 * @phba: pointer to lpfc hba data structure.
10993 * This routine checks to see if OAS is supported for this adapter. If
10994 * supported, the configure Flash Optimized Fabric flag is set. Otherwise,
10995 * the enable oas flag is cleared and the pool created for OAS device data
11000 lpfc_sli4_oas_verify(struct lpfc_hba
*phba
)
11003 if (!phba
->cfg_EnableXLane
)
11006 if (phba
->sli4_hba
.pc_sli4_params
.oas_supported
) {
11010 if (phba
->device_data_mem_pool
)
11011 mempool_destroy(phba
->device_data_mem_pool
);
11012 phba
->device_data_mem_pool
= NULL
;
11019 * lpfc_fof_queue_setup - Set up all the fof queues
11020 * @phba: pointer to lpfc hba data structure.
11022 * This routine is invoked to set up all the fof queues for the FC HBA
11027 * -ENOMEM - No available memory
11030 lpfc_fof_queue_setup(struct lpfc_hba
*phba
)
11032 struct lpfc_sli
*psli
= &phba
->sli
;
11035 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.fof_eq
, LPFC_MAX_IMAX
);
11039 if (phba
->cfg_fof
) {
11041 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.oas_cq
,
11042 phba
->sli4_hba
.fof_eq
, LPFC_WCQ
, LPFC_FCP
);
11046 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.oas_wq
,
11047 phba
->sli4_hba
.oas_cq
, LPFC_FCP
);
11051 phba
->sli4_hba
.oas_cq
->pring
= &psli
->ring
[LPFC_FCP_OAS_RING
];
11052 phba
->sli4_hba
.oas_ring
= &psli
->ring
[LPFC_FCP_OAS_RING
];
11058 lpfc_cq_destroy(phba
, phba
->sli4_hba
.oas_cq
);
11060 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fof_eq
);
11066 * lpfc_fof_queue_create - Create all the fof queues
11067 * @phba: pointer to lpfc hba data structure.
11069 * This routine is invoked to allocate all the fof queues for the FC HBA
11070 * operation. For each SLI4 queue type, the parameters such as queue entry
11071 * count (queue depth) shall be taken from the module parameter. For now,
11072 * we just use some constant number as place holder.
11076 * -ENOMEM - No availble memory
11077 * -EIO - The mailbox failed to complete successfully.
11080 lpfc_fof_queue_create(struct lpfc_hba
*phba
)
11082 struct lpfc_queue
*qdesc
;
11084 /* Create FOF EQ */
11085 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
11086 phba
->sli4_hba
.eq_ecount
);
11090 phba
->sli4_hba
.fof_eq
= qdesc
;
11092 if (phba
->cfg_fof
) {
11094 /* Create OAS CQ */
11095 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
11096 phba
->sli4_hba
.cq_ecount
);
11100 phba
->sli4_hba
.oas_cq
= qdesc
;
11102 /* Create OAS WQ */
11103 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
11104 phba
->sli4_hba
.wq_ecount
);
11108 phba
->sli4_hba
.oas_wq
= qdesc
;
11114 lpfc_fof_queue_destroy(phba
);
11119 * lpfc_fof_queue_destroy - Destroy all the fof queues
11120 * @phba: pointer to lpfc hba data structure.
11122 * This routine is invoked to release all the SLI4 queues with the FC HBA
11129 lpfc_fof_queue_destroy(struct lpfc_hba
*phba
)
11131 /* Release FOF Event queue */
11132 if (phba
->sli4_hba
.fof_eq
!= NULL
) {
11133 lpfc_sli4_queue_free(phba
->sli4_hba
.fof_eq
);
11134 phba
->sli4_hba
.fof_eq
= NULL
;
11137 /* Release OAS Completion queue */
11138 if (phba
->sli4_hba
.oas_cq
!= NULL
) {
11139 lpfc_sli4_queue_free(phba
->sli4_hba
.oas_cq
);
11140 phba
->sli4_hba
.oas_cq
= NULL
;
11143 /* Release OAS Work queue */
11144 if (phba
->sli4_hba
.oas_wq
!= NULL
) {
11145 lpfc_sli4_queue_free(phba
->sli4_hba
.oas_wq
);
11146 phba
->sli4_hba
.oas_wq
= NULL
;
11151 static struct pci_device_id lpfc_id_table
[] = {
11152 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
11153 PCI_ANY_ID
, PCI_ANY_ID
, },
11154 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
11155 PCI_ANY_ID
, PCI_ANY_ID
, },
11156 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
11157 PCI_ANY_ID
, PCI_ANY_ID
, },
11158 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
11159 PCI_ANY_ID
, PCI_ANY_ID
, },
11160 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
11161 PCI_ANY_ID
, PCI_ANY_ID
, },
11162 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
11163 PCI_ANY_ID
, PCI_ANY_ID
, },
11164 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
11165 PCI_ANY_ID
, PCI_ANY_ID
, },
11166 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
11167 PCI_ANY_ID
, PCI_ANY_ID
, },
11168 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
11169 PCI_ANY_ID
, PCI_ANY_ID
, },
11170 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
11171 PCI_ANY_ID
, PCI_ANY_ID
, },
11172 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
11173 PCI_ANY_ID
, PCI_ANY_ID
, },
11174 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
11175 PCI_ANY_ID
, PCI_ANY_ID
, },
11176 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
11177 PCI_ANY_ID
, PCI_ANY_ID
, },
11178 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
11179 PCI_ANY_ID
, PCI_ANY_ID
, },
11180 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
11181 PCI_ANY_ID
, PCI_ANY_ID
, },
11182 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
11183 PCI_ANY_ID
, PCI_ANY_ID
, },
11184 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
11185 PCI_ANY_ID
, PCI_ANY_ID
, },
11186 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
11187 PCI_ANY_ID
, PCI_ANY_ID
, },
11188 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HORNET
,
11189 PCI_ANY_ID
, PCI_ANY_ID
, },
11190 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
11191 PCI_ANY_ID
, PCI_ANY_ID
, },
11192 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
11193 PCI_ANY_ID
, PCI_ANY_ID
, },
11194 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
11195 PCI_ANY_ID
, PCI_ANY_ID
, },
11196 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
11197 PCI_ANY_ID
, PCI_ANY_ID
, },
11198 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
11199 PCI_ANY_ID
, PCI_ANY_ID
, },
11200 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
11201 PCI_ANY_ID
, PCI_ANY_ID
, },
11202 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
11203 PCI_ANY_ID
, PCI_ANY_ID
, },
11204 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
11205 PCI_ANY_ID
, PCI_ANY_ID
, },
11206 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
11207 PCI_ANY_ID
, PCI_ANY_ID
, },
11208 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT
,
11209 PCI_ANY_ID
, PCI_ANY_ID
, },
11210 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_MID
,
11211 PCI_ANY_ID
, PCI_ANY_ID
, },
11212 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SMB
,
11213 PCI_ANY_ID
, PCI_ANY_ID
, },
11214 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_DCSP
,
11215 PCI_ANY_ID
, PCI_ANY_ID
, },
11216 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SCSP
,
11217 PCI_ANY_ID
, PCI_ANY_ID
, },
11218 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_S
,
11219 PCI_ANY_ID
, PCI_ANY_ID
, },
11220 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_VF
,
11221 PCI_ANY_ID
, PCI_ANY_ID
, },
11222 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_PF
,
11223 PCI_ANY_ID
, PCI_ANY_ID
, },
11224 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_S
,
11225 PCI_ANY_ID
, PCI_ANY_ID
, },
11226 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TIGERSHARK
,
11227 PCI_ANY_ID
, PCI_ANY_ID
, },
11228 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TOMCAT
,
11229 PCI_ANY_ID
, PCI_ANY_ID
, },
11230 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FALCON
,
11231 PCI_ANY_ID
, PCI_ANY_ID
, },
11232 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BALIUS
,
11233 PCI_ANY_ID
, PCI_ANY_ID
, },
11234 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC
,
11235 PCI_ANY_ID
, PCI_ANY_ID
, },
11236 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE
,
11237 PCI_ANY_ID
, PCI_ANY_ID
, },
11238 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC_VF
,
11239 PCI_ANY_ID
, PCI_ANY_ID
, },
11240 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE_VF
,
11241 PCI_ANY_ID
, PCI_ANY_ID
, },
11242 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SKYHAWK
,
11243 PCI_ANY_ID
, PCI_ANY_ID
, },
11244 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SKYHAWK_VF
,
11245 PCI_ANY_ID
, PCI_ANY_ID
, },
11249 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
11251 static const struct pci_error_handlers lpfc_err_handler
= {
11252 .error_detected
= lpfc_io_error_detected
,
11253 .slot_reset
= lpfc_io_slot_reset
,
11254 .resume
= lpfc_io_resume
,
11257 static struct pci_driver lpfc_driver
= {
11258 .name
= LPFC_DRIVER_NAME
,
11259 .id_table
= lpfc_id_table
,
11260 .probe
= lpfc_pci_probe_one
,
11261 .remove
= lpfc_pci_remove_one
,
11262 .suspend
= lpfc_pci_suspend_one
,
11263 .resume
= lpfc_pci_resume_one
,
11264 .err_handler
= &lpfc_err_handler
,
11267 static const struct file_operations lpfc_mgmt_fop
= {
11268 .owner
= THIS_MODULE
,
11271 static struct miscdevice lpfc_mgmt_dev
= {
11272 .minor
= MISC_DYNAMIC_MINOR
,
11273 .name
= "lpfcmgmt",
11274 .fops
= &lpfc_mgmt_fop
,
11278 * lpfc_init - lpfc module initialization routine
11280 * This routine is to be invoked when the lpfc module is loaded into the
11281 * kernel. The special kernel macro module_init() is used to indicate the
11282 * role of this routine to the kernel as lpfc module entry point.
11286 * -ENOMEM - FC attach transport failed
11287 * all others - failed
11295 printk(LPFC_MODULE_DESC
"\n");
11296 printk(LPFC_COPYRIGHT
"\n");
11298 error
= misc_register(&lpfc_mgmt_dev
);
11300 printk(KERN_ERR
"Could not register lpfcmgmt device, "
11301 "misc_register returned with status %d", error
);
11303 if (lpfc_enable_npiv
) {
11304 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
11305 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
11307 lpfc_transport_template
=
11308 fc_attach_transport(&lpfc_transport_functions
);
11309 if (lpfc_transport_template
== NULL
)
11311 if (lpfc_enable_npiv
) {
11312 lpfc_vport_transport_template
=
11313 fc_attach_transport(&lpfc_vport_transport_functions
);
11314 if (lpfc_vport_transport_template
== NULL
) {
11315 fc_release_transport(lpfc_transport_template
);
11320 /* Initialize in case vector mapping is needed */
11321 lpfc_used_cpu
= NULL
;
11322 lpfc_present_cpu
= 0;
11323 for_each_present_cpu(cpu
)
11324 lpfc_present_cpu
++;
11326 error
= pci_register_driver(&lpfc_driver
);
11328 fc_release_transport(lpfc_transport_template
);
11329 if (lpfc_enable_npiv
)
11330 fc_release_transport(lpfc_vport_transport_template
);
11337 * lpfc_exit - lpfc module removal routine
11339 * This routine is invoked when the lpfc module is removed from the kernel.
11340 * The special kernel macro module_exit() is used to indicate the role of
11341 * this routine to the kernel as lpfc module exit point.
11346 misc_deregister(&lpfc_mgmt_dev
);
11347 pci_unregister_driver(&lpfc_driver
);
11348 fc_release_transport(lpfc_transport_template
);
11349 if (lpfc_enable_npiv
)
11350 fc_release_transport(lpfc_vport_transport_template
);
11351 if (_dump_buf_data
) {
11352 printk(KERN_ERR
"9062 BLKGRD: freeing %lu pages for "
11353 "_dump_buf_data at 0x%p\n",
11354 (1L << _dump_buf_data_order
), _dump_buf_data
);
11355 free_pages((unsigned long)_dump_buf_data
, _dump_buf_data_order
);
11358 if (_dump_buf_dif
) {
11359 printk(KERN_ERR
"9049 BLKGRD: freeing %lu pages for "
11360 "_dump_buf_dif at 0x%p\n",
11361 (1L << _dump_buf_dif_order
), _dump_buf_dif
);
11362 free_pages((unsigned long)_dump_buf_dif
, _dump_buf_dif_order
);
11364 kfree(lpfc_used_cpu
);
11367 module_init(lpfc_init
);
11368 module_exit(lpfc_exit
);
11369 MODULE_LICENSE("GPL");
11370 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
11371 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
11372 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);