1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2011 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/kthread.h>
28 #include <linux/pci.h>
29 #include <linux/spinlock.h>
30 #include <linux/ctype.h>
31 #include <linux/aer.h>
32 #include <linux/slab.h>
33 #include <linux/firmware.h>
35 #include <scsi/scsi.h>
36 #include <scsi/scsi_device.h>
37 #include <scsi/scsi_host.h>
38 #include <scsi/scsi_transport_fc.h>
43 #include "lpfc_sli4.h"
45 #include "lpfc_disc.h"
46 #include "lpfc_scsi.h"
48 #include "lpfc_logmsg.h"
49 #include "lpfc_crtn.h"
50 #include "lpfc_vport.h"
51 #include "lpfc_version.h"
54 unsigned long _dump_buf_data_order
;
56 unsigned long _dump_buf_dif_order
;
57 spinlock_t _dump_buf_lock
;
59 static void lpfc_get_hba_model_desc(struct lpfc_hba
*, uint8_t *, uint8_t *);
60 static int lpfc_post_rcv_buf(struct lpfc_hba
*);
61 static int lpfc_sli4_queue_create(struct lpfc_hba
*);
62 static void lpfc_sli4_queue_destroy(struct lpfc_hba
*);
63 static int lpfc_create_bootstrap_mbox(struct lpfc_hba
*);
64 static int lpfc_setup_endian_order(struct lpfc_hba
*);
65 static int lpfc_sli4_read_config(struct lpfc_hba
*);
66 static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*);
67 static void lpfc_free_sgl_list(struct lpfc_hba
*);
68 static int lpfc_init_sgl_list(struct lpfc_hba
*);
69 static int lpfc_init_active_sgl_array(struct lpfc_hba
*);
70 static void lpfc_free_active_sgl(struct lpfc_hba
*);
71 static int lpfc_hba_down_post_s3(struct lpfc_hba
*phba
);
72 static int lpfc_hba_down_post_s4(struct lpfc_hba
*phba
);
73 static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*);
74 static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*);
75 static void lpfc_sli4_cq_event_release_all(struct lpfc_hba
*);
77 static struct scsi_transport_template
*lpfc_transport_template
= NULL
;
78 static struct scsi_transport_template
*lpfc_vport_transport_template
= NULL
;
79 static DEFINE_IDR(lpfc_hba_index
);
82 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
83 * @phba: pointer to lpfc hba data structure.
85 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
86 * mailbox command. It retrieves the revision information from the HBA and
87 * collects the Vital Product Data (VPD) about the HBA for preparing the
88 * configuration of the HBA.
92 * -ERESTART - requests the SLI layer to reset the HBA and try again.
93 * Any other value - indicates an error.
96 lpfc_config_port_prep(struct lpfc_hba
*phba
)
98 lpfc_vpd_t
*vp
= &phba
->vpd
;
102 char *lpfc_vpd_data
= NULL
;
104 static char licensed
[56] =
105 "key unlock for use with gnu public licensed code only\0";
106 static int init_key
= 1;
108 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
110 phba
->link_state
= LPFC_HBA_ERROR
;
115 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
117 if (lpfc_is_LC_HBA(phba
->pcidev
->device
)) {
119 uint32_t *ptext
= (uint32_t *) licensed
;
121 for (i
= 0; i
< 56; i
+= sizeof (uint32_t), ptext
++)
122 *ptext
= cpu_to_be32(*ptext
);
126 lpfc_read_nv(phba
, pmb
);
127 memset((char*)mb
->un
.varRDnvp
.rsvd3
, 0,
128 sizeof (mb
->un
.varRDnvp
.rsvd3
));
129 memcpy((char*)mb
->un
.varRDnvp
.rsvd3
, licensed
,
132 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
134 if (rc
!= MBX_SUCCESS
) {
135 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
136 "0324 Config Port initialization "
137 "error, mbxCmd x%x READ_NVPARM, "
139 mb
->mbxCommand
, mb
->mbxStatus
);
140 mempool_free(pmb
, phba
->mbox_mem_pool
);
143 memcpy(phba
->wwnn
, (char *)mb
->un
.varRDnvp
.nodename
,
145 memcpy(phba
->wwpn
, (char *)mb
->un
.varRDnvp
.portname
,
149 phba
->sli3_options
= 0x0;
151 /* Setup and issue mailbox READ REV command */
152 lpfc_read_rev(phba
, pmb
);
153 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
154 if (rc
!= MBX_SUCCESS
) {
155 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
156 "0439 Adapter failed to init, mbxCmd x%x "
157 "READ_REV, mbxStatus x%x\n",
158 mb
->mbxCommand
, mb
->mbxStatus
);
159 mempool_free( pmb
, phba
->mbox_mem_pool
);
165 * The value of rr must be 1 since the driver set the cv field to 1.
166 * This setting requires the FW to set all revision fields.
168 if (mb
->un
.varRdRev
.rr
== 0) {
170 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
171 "0440 Adapter failed to init, READ_REV has "
172 "missing revision information.\n");
173 mempool_free(pmb
, phba
->mbox_mem_pool
);
177 if (phba
->sli_rev
== 3 && !mb
->un
.varRdRev
.v3rsp
) {
178 mempool_free(pmb
, phba
->mbox_mem_pool
);
182 /* Save information as VPD data */
184 memcpy(&vp
->sli3Feat
, &mb
->un
.varRdRev
.sli3Feat
, sizeof(uint32_t));
185 vp
->rev
.sli1FwRev
= mb
->un
.varRdRev
.sli1FwRev
;
186 memcpy(vp
->rev
.sli1FwName
, (char*) mb
->un
.varRdRev
.sli1FwName
, 16);
187 vp
->rev
.sli2FwRev
= mb
->un
.varRdRev
.sli2FwRev
;
188 memcpy(vp
->rev
.sli2FwName
, (char *) mb
->un
.varRdRev
.sli2FwName
, 16);
189 vp
->rev
.biuRev
= mb
->un
.varRdRev
.biuRev
;
190 vp
->rev
.smRev
= mb
->un
.varRdRev
.smRev
;
191 vp
->rev
.smFwRev
= mb
->un
.varRdRev
.un
.smFwRev
;
192 vp
->rev
.endecRev
= mb
->un
.varRdRev
.endecRev
;
193 vp
->rev
.fcphHigh
= mb
->un
.varRdRev
.fcphHigh
;
194 vp
->rev
.fcphLow
= mb
->un
.varRdRev
.fcphLow
;
195 vp
->rev
.feaLevelHigh
= mb
->un
.varRdRev
.feaLevelHigh
;
196 vp
->rev
.feaLevelLow
= mb
->un
.varRdRev
.feaLevelLow
;
197 vp
->rev
.postKernRev
= mb
->un
.varRdRev
.postKernRev
;
198 vp
->rev
.opFwRev
= mb
->un
.varRdRev
.opFwRev
;
200 /* If the sli feature level is less then 9, we must
201 * tear down all RPIs and VPIs on link down if NPIV
204 if (vp
->rev
.feaLevelHigh
< 9)
205 phba
->sli3_options
|= LPFC_SLI3_VPORT_TEARDOWN
;
207 if (lpfc_is_LC_HBA(phba
->pcidev
->device
))
208 memcpy(phba
->RandomData
, (char *)&mb
->un
.varWords
[24],
209 sizeof (phba
->RandomData
));
211 /* Get adapter VPD information */
212 lpfc_vpd_data
= kmalloc(DMP_VPD_SIZE
, GFP_KERNEL
);
216 lpfc_dump_mem(phba
, pmb
, offset
, DMP_REGION_VPD
);
217 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
219 if (rc
!= MBX_SUCCESS
) {
220 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
221 "0441 VPD not present on adapter, "
222 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
223 mb
->mbxCommand
, mb
->mbxStatus
);
224 mb
->un
.varDmp
.word_cnt
= 0;
226 /* dump mem may return a zero when finished or we got a
227 * mailbox error, either way we are done.
229 if (mb
->un
.varDmp
.word_cnt
== 0)
231 if (mb
->un
.varDmp
.word_cnt
> DMP_VPD_SIZE
- offset
)
232 mb
->un
.varDmp
.word_cnt
= DMP_VPD_SIZE
- offset
;
233 lpfc_sli_pcimem_bcopy(((uint8_t *)mb
) + DMP_RSP_OFFSET
,
234 lpfc_vpd_data
+ offset
,
235 mb
->un
.varDmp
.word_cnt
);
236 offset
+= mb
->un
.varDmp
.word_cnt
;
237 } while (mb
->un
.varDmp
.word_cnt
&& offset
< DMP_VPD_SIZE
);
238 lpfc_parse_vpd(phba
, lpfc_vpd_data
, offset
);
240 kfree(lpfc_vpd_data
);
242 mempool_free(pmb
, phba
->mbox_mem_pool
);
247 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
248 * @phba: pointer to lpfc hba data structure.
249 * @pmboxq: pointer to the driver internal queue element for mailbox command.
251 * This is the completion handler for driver's configuring asynchronous event
252 * mailbox command to the device. If the mailbox command returns successfully,
253 * it will set internal async event support flag to 1; otherwise, it will
254 * set internal async event support flag to 0.
257 lpfc_config_async_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
259 if (pmboxq
->u
.mb
.mbxStatus
== MBX_SUCCESS
)
260 phba
->temp_sensor_support
= 1;
262 phba
->temp_sensor_support
= 0;
263 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
268 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
269 * @phba: pointer to lpfc hba data structure.
270 * @pmboxq: pointer to the driver internal queue element for mailbox command.
272 * This is the completion handler for dump mailbox command for getting
273 * wake up parameters. When this command complete, the response contain
274 * Option rom version of the HBA. This function translate the version number
275 * into a human readable string and store it in OptionROMVersion.
278 lpfc_dump_wakeup_param_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmboxq
)
281 uint32_t prog_id_word
;
283 /* character array used for decoding dist type. */
284 char dist_char
[] = "nabx";
286 if (pmboxq
->u
.mb
.mbxStatus
!= MBX_SUCCESS
) {
287 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
291 prg
= (struct prog_id
*) &prog_id_word
;
293 /* word 7 contain option rom version */
294 prog_id_word
= pmboxq
->u
.mb
.un
.varWords
[7];
296 /* Decode the Option rom version word to a readable string */
298 dist
= dist_char
[prg
->dist
];
300 if ((prg
->dist
== 3) && (prg
->num
== 0))
301 sprintf(phba
->OptionROMVersion
, "%d.%d%d",
302 prg
->ver
, prg
->rev
, prg
->lev
);
304 sprintf(phba
->OptionROMVersion
, "%d.%d%d%c%d",
305 prg
->ver
, prg
->rev
, prg
->lev
,
307 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
312 * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname,
313 * cfg_soft_wwnn, cfg_soft_wwpn
314 * @vport: pointer to lpfc vport data structure.
321 lpfc_update_vport_wwn(struct lpfc_vport
*vport
)
323 /* If the soft name exists then update it using the service params */
324 if (vport
->phba
->cfg_soft_wwnn
)
325 u64_to_wwn(vport
->phba
->cfg_soft_wwnn
,
326 vport
->fc_sparam
.nodeName
.u
.wwn
);
327 if (vport
->phba
->cfg_soft_wwpn
)
328 u64_to_wwn(vport
->phba
->cfg_soft_wwpn
,
329 vport
->fc_sparam
.portName
.u
.wwn
);
332 * If the name is empty or there exists a soft name
333 * then copy the service params name, otherwise use the fc name
335 if (vport
->fc_nodename
.u
.wwn
[0] == 0 || vport
->phba
->cfg_soft_wwnn
)
336 memcpy(&vport
->fc_nodename
, &vport
->fc_sparam
.nodeName
,
337 sizeof(struct lpfc_name
));
339 memcpy(&vport
->fc_sparam
.nodeName
, &vport
->fc_nodename
,
340 sizeof(struct lpfc_name
));
342 if (vport
->fc_portname
.u
.wwn
[0] == 0 || vport
->phba
->cfg_soft_wwpn
)
343 memcpy(&vport
->fc_portname
, &vport
->fc_sparam
.portName
,
344 sizeof(struct lpfc_name
));
346 memcpy(&vport
->fc_sparam
.portName
, &vport
->fc_portname
,
347 sizeof(struct lpfc_name
));
351 * lpfc_config_port_post - Perform lpfc initialization after config port
352 * @phba: pointer to lpfc hba data structure.
354 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
355 * command call. It performs all internal resource and state setups on the
356 * port: post IOCB buffers, enable appropriate host interrupt attentions,
357 * ELS ring timers, etc.
361 * Any other value - error.
364 lpfc_config_port_post(struct lpfc_hba
*phba
)
366 struct lpfc_vport
*vport
= phba
->pport
;
367 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
370 struct lpfc_dmabuf
*mp
;
371 struct lpfc_sli
*psli
= &phba
->sli
;
372 uint32_t status
, timeout
;
376 spin_lock_irq(&phba
->hbalock
);
378 * If the Config port completed correctly the HBA is not
379 * over heated any more.
381 if (phba
->over_temp_state
== HBA_OVER_TEMP
)
382 phba
->over_temp_state
= HBA_NORMAL_TEMP
;
383 spin_unlock_irq(&phba
->hbalock
);
385 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
387 phba
->link_state
= LPFC_HBA_ERROR
;
392 /* Get login parameters for NID. */
393 rc
= lpfc_read_sparam(phba
, pmb
, 0);
395 mempool_free(pmb
, phba
->mbox_mem_pool
);
400 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
401 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
402 "0448 Adapter failed init, mbxCmd x%x "
403 "READ_SPARM mbxStatus x%x\n",
404 mb
->mbxCommand
, mb
->mbxStatus
);
405 phba
->link_state
= LPFC_HBA_ERROR
;
406 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
407 mempool_free(pmb
, phba
->mbox_mem_pool
);
408 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
413 mp
= (struct lpfc_dmabuf
*) pmb
->context1
;
415 memcpy(&vport
->fc_sparam
, mp
->virt
, sizeof (struct serv_parm
));
416 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
418 pmb
->context1
= NULL
;
419 lpfc_update_vport_wwn(vport
);
421 /* Update the fc_host data structures with new wwn. */
422 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
423 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
424 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
426 /* If no serial number in VPD data, use low 6 bytes of WWNN */
427 /* This should be consolidated into parse_vpd ? - mr */
428 if (phba
->SerialNumber
[0] == 0) {
431 outptr
= &vport
->fc_nodename
.u
.s
.IEEE
[0];
432 for (i
= 0; i
< 12; i
++) {
434 j
= ((status
& 0xf0) >> 4);
436 phba
->SerialNumber
[i
] =
437 (char)((uint8_t) 0x30 + (uint8_t) j
);
439 phba
->SerialNumber
[i
] =
440 (char)((uint8_t) 0x61 + (uint8_t) (j
- 10));
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 lpfc_read_config(phba
, pmb
);
454 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
455 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
456 "0453 Adapter failed to init, mbxCmd x%x "
457 "READ_CONFIG, mbxStatus x%x\n",
458 mb
->mbxCommand
, mb
->mbxStatus
);
459 phba
->link_state
= LPFC_HBA_ERROR
;
460 mempool_free( pmb
, phba
->mbox_mem_pool
);
464 /* Check if the port is disabled */
465 lpfc_sli_read_link_ste(phba
);
467 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
468 if (phba
->cfg_hba_queue_depth
> (mb
->un
.varRdConfig
.max_xri
+1))
469 phba
->cfg_hba_queue_depth
=
470 (mb
->un
.varRdConfig
.max_xri
+ 1) -
471 lpfc_sli4_get_els_iocb_cnt(phba
);
473 phba
->lmt
= mb
->un
.varRdConfig
.lmt
;
475 /* Get the default values for Model Name and Description */
476 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
478 if ((phba
->cfg_link_speed
> LPFC_USER_LINK_SPEED_16G
)
479 || ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_1G
)
480 && !(phba
->lmt
& LMT_1Gb
))
481 || ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_2G
)
482 && !(phba
->lmt
& LMT_2Gb
))
483 || ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_4G
)
484 && !(phba
->lmt
& LMT_4Gb
))
485 || ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_8G
)
486 && !(phba
->lmt
& LMT_8Gb
))
487 || ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_10G
)
488 && !(phba
->lmt
& LMT_10Gb
))
489 || ((phba
->cfg_link_speed
== LPFC_USER_LINK_SPEED_16G
)
490 && !(phba
->lmt
& LMT_16Gb
))) {
491 /* Reset link speed to auto */
492 lpfc_printf_log(phba
, KERN_ERR
, LOG_LINK_EVENT
,
493 "1302 Invalid speed for this board: "
494 "Reset link speed to auto: x%x\n",
495 phba
->cfg_link_speed
);
496 phba
->cfg_link_speed
= LPFC_USER_LINK_SPEED_AUTO
;
499 phba
->link_state
= LPFC_LINK_DOWN
;
501 /* Only process IOCBs on ELS ring till hba_state is READY */
502 if (psli
->ring
[psli
->extra_ring
].cmdringaddr
)
503 psli
->ring
[psli
->extra_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
504 if (psli
->ring
[psli
->fcp_ring
].cmdringaddr
)
505 psli
->ring
[psli
->fcp_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
506 if (psli
->ring
[psli
->next_ring
].cmdringaddr
)
507 psli
->ring
[psli
->next_ring
].flag
|= LPFC_STOP_IOCB_EVENT
;
509 /* Post receive buffers for desired rings */
510 if (phba
->sli_rev
!= 3)
511 lpfc_post_rcv_buf(phba
);
514 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
516 if (phba
->intr_type
== MSIX
) {
517 rc
= lpfc_config_msi(phba
, pmb
);
519 mempool_free(pmb
, phba
->mbox_mem_pool
);
522 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
523 if (rc
!= MBX_SUCCESS
) {
524 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
525 "0352 Config MSI mailbox command "
526 "failed, mbxCmd x%x, mbxStatus x%x\n",
527 pmb
->u
.mb
.mbxCommand
,
528 pmb
->u
.mb
.mbxStatus
);
529 mempool_free(pmb
, phba
->mbox_mem_pool
);
534 spin_lock_irq(&phba
->hbalock
);
535 /* Initialize ERATT handling flag */
536 phba
->hba_flag
&= ~HBA_ERATT_HANDLED
;
538 /* Enable appropriate host interrupts */
539 if (lpfc_readl(phba
->HCregaddr
, &status
)) {
540 spin_unlock_irq(&phba
->hbalock
);
543 status
|= HC_MBINT_ENA
| HC_ERINT_ENA
| HC_LAINT_ENA
;
544 if (psli
->num_rings
> 0)
545 status
|= HC_R0INT_ENA
;
546 if (psli
->num_rings
> 1)
547 status
|= HC_R1INT_ENA
;
548 if (psli
->num_rings
> 2)
549 status
|= HC_R2INT_ENA
;
550 if (psli
->num_rings
> 3)
551 status
|= HC_R3INT_ENA
;
553 if ((phba
->cfg_poll
& ENABLE_FCP_RING_POLLING
) &&
554 (phba
->cfg_poll
& DISABLE_FCP_RING_INT
))
555 status
&= ~(HC_R0INT_ENA
);
557 writel(status
, phba
->HCregaddr
);
558 readl(phba
->HCregaddr
); /* flush */
559 spin_unlock_irq(&phba
->hbalock
);
561 /* Set up ring-0 (ELS) timer */
562 timeout
= phba
->fc_ratov
* 2;
563 mod_timer(&vport
->els_tmofunc
, jiffies
+ HZ
* timeout
);
564 /* Set up heart beat (HB) timer */
565 mod_timer(&phba
->hb_tmofunc
, jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
566 phba
->hb_outstanding
= 0;
567 phba
->last_completion_time
= jiffies
;
568 /* Set up error attention (ERATT) polling timer */
569 mod_timer(&phba
->eratt_poll
, jiffies
+ HZ
* LPFC_ERATT_POLL_INTERVAL
);
571 if (phba
->hba_flag
& LINK_DISABLED
) {
572 lpfc_printf_log(phba
,
574 "2598 Adapter Link is disabled.\n");
575 lpfc_down_link(phba
, pmb
);
576 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
577 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
578 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
579 lpfc_printf_log(phba
,
581 "2599 Adapter failed to issue DOWN_LINK"
582 " mbox command rc 0x%x\n", rc
);
584 mempool_free(pmb
, phba
->mbox_mem_pool
);
587 } else if (phba
->cfg_suppress_link_up
== LPFC_INITIALIZE_LINK
) {
588 lpfc_init_link(phba
, pmb
, phba
->cfg_topology
,
589 phba
->cfg_link_speed
);
590 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
591 lpfc_set_loopback_flag(phba
);
592 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
593 if (rc
!= MBX_SUCCESS
) {
594 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
595 "0454 Adapter failed to init, mbxCmd x%x "
596 "INIT_LINK, mbxStatus x%x\n",
597 mb
->mbxCommand
, mb
->mbxStatus
);
599 /* Clear all interrupt enable conditions */
600 writel(0, phba
->HCregaddr
);
601 readl(phba
->HCregaddr
); /* flush */
602 /* Clear all pending interrupts */
603 writel(0xffffffff, phba
->HAregaddr
);
604 readl(phba
->HAregaddr
); /* flush */
605 phba
->link_state
= LPFC_HBA_ERROR
;
607 mempool_free(pmb
, phba
->mbox_mem_pool
);
611 /* MBOX buffer will be freed in mbox compl */
612 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
614 phba
->link_state
= LPFC_HBA_ERROR
;
618 lpfc_config_async(phba
, pmb
, LPFC_ELS_RING
);
619 pmb
->mbox_cmpl
= lpfc_config_async_cmpl
;
620 pmb
->vport
= phba
->pport
;
621 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
623 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
624 lpfc_printf_log(phba
,
627 "0456 Adapter failed to issue "
628 "ASYNCEVT_ENABLE mbox status x%x\n",
630 mempool_free(pmb
, phba
->mbox_mem_pool
);
633 /* Get Option rom version */
634 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
636 phba
->link_state
= LPFC_HBA_ERROR
;
640 lpfc_dump_wakeup_param(phba
, pmb
);
641 pmb
->mbox_cmpl
= lpfc_dump_wakeup_param_cmpl
;
642 pmb
->vport
= phba
->pport
;
643 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
645 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
646 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
, "0435 Adapter failed "
647 "to get Option ROM version status x%x\n", rc
);
648 mempool_free(pmb
, phba
->mbox_mem_pool
);
655 * lpfc_hba_init_link - Initialize the FC link
656 * @phba: pointer to lpfc hba data structure.
657 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
659 * This routine will issue the INIT_LINK mailbox command call.
660 * It is available to other drivers through the lpfc_hba data
661 * structure for use as a delayed link up mechanism with the
662 * module parameter lpfc_suppress_link_up.
666 * Any other value - error
669 lpfc_hba_init_link(struct lpfc_hba
*phba
, uint32_t flag
)
671 struct lpfc_vport
*vport
= phba
->pport
;
676 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
678 phba
->link_state
= LPFC_HBA_ERROR
;
684 lpfc_init_link(phba
, pmb
, phba
->cfg_topology
, phba
->cfg_link_speed
);
685 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
686 lpfc_set_loopback_flag(phba
);
687 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
688 if ((rc
!= MBX_BUSY
) && (rc
!= MBX_SUCCESS
)) {
689 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
690 "0498 Adapter failed to init, mbxCmd x%x "
691 "INIT_LINK, mbxStatus x%x\n",
692 mb
->mbxCommand
, mb
->mbxStatus
);
693 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
694 /* Clear all interrupt enable conditions */
695 writel(0, phba
->HCregaddr
);
696 readl(phba
->HCregaddr
); /* flush */
697 /* Clear all pending interrupts */
698 writel(0xffffffff, phba
->HAregaddr
);
699 readl(phba
->HAregaddr
); /* flush */
701 phba
->link_state
= LPFC_HBA_ERROR
;
702 if (rc
!= MBX_BUSY
|| flag
== MBX_POLL
)
703 mempool_free(pmb
, phba
->mbox_mem_pool
);
706 phba
->cfg_suppress_link_up
= LPFC_INITIALIZE_LINK
;
707 if (flag
== MBX_POLL
)
708 mempool_free(pmb
, phba
->mbox_mem_pool
);
714 * lpfc_hba_down_link - this routine downs the FC link
715 * @phba: pointer to lpfc hba data structure.
716 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
718 * This routine will issue the DOWN_LINK mailbox command call.
719 * It is available to other drivers through the lpfc_hba data
720 * structure for use to stop the link.
724 * Any other value - error
727 lpfc_hba_down_link(struct lpfc_hba
*phba
, uint32_t flag
)
732 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
734 phba
->link_state
= LPFC_HBA_ERROR
;
738 lpfc_printf_log(phba
,
740 "0491 Adapter Link is disabled.\n");
741 lpfc_down_link(phba
, pmb
);
742 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
743 rc
= lpfc_sli_issue_mbox(phba
, pmb
, flag
);
744 if ((rc
!= MBX_SUCCESS
) && (rc
!= MBX_BUSY
)) {
745 lpfc_printf_log(phba
,
747 "2522 Adapter failed to issue DOWN_LINK"
748 " mbox command rc 0x%x\n", rc
);
750 mempool_free(pmb
, phba
->mbox_mem_pool
);
753 if (flag
== MBX_POLL
)
754 mempool_free(pmb
, phba
->mbox_mem_pool
);
760 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
761 * @phba: pointer to lpfc HBA data structure.
763 * This routine will do LPFC uninitialization before the HBA is reset when
764 * bringing down the SLI Layer.
768 * Any other value - error.
771 lpfc_hba_down_prep(struct lpfc_hba
*phba
)
773 struct lpfc_vport
**vports
;
776 if (phba
->sli_rev
<= LPFC_SLI_REV3
) {
777 /* Disable interrupts */
778 writel(0, phba
->HCregaddr
);
779 readl(phba
->HCregaddr
); /* flush */
782 if (phba
->pport
->load_flag
& FC_UNLOADING
)
783 lpfc_cleanup_discovery_resources(phba
->pport
);
785 vports
= lpfc_create_vport_work_array(phba
);
787 for (i
= 0; i
<= phba
->max_vports
&&
788 vports
[i
] != NULL
; i
++)
789 lpfc_cleanup_discovery_resources(vports
[i
]);
790 lpfc_destroy_vport_work_array(phba
, vports
);
796 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
797 * @phba: pointer to lpfc HBA data structure.
799 * This routine will do uninitialization after the HBA is reset when bring
800 * down the SLI Layer.
804 * Any other value - error.
807 lpfc_hba_down_post_s3(struct lpfc_hba
*phba
)
809 struct lpfc_sli
*psli
= &phba
->sli
;
810 struct lpfc_sli_ring
*pring
;
811 struct lpfc_dmabuf
*mp
, *next_mp
;
812 LIST_HEAD(completions
);
815 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)
816 lpfc_sli_hbqbuf_free_all(phba
);
818 /* Cleanup preposted buffers on the ELS ring */
819 pring
= &psli
->ring
[LPFC_ELS_RING
];
820 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
822 pring
->postbufq_cnt
--;
823 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
828 spin_lock_irq(&phba
->hbalock
);
829 for (i
= 0; i
< psli
->num_rings
; i
++) {
830 pring
= &psli
->ring
[i
];
832 /* At this point in time the HBA is either reset or DOA. Either
833 * way, nothing should be on txcmplq as it will NEVER complete.
835 list_splice_init(&pring
->txcmplq
, &completions
);
836 pring
->txcmplq_cnt
= 0;
837 spin_unlock_irq(&phba
->hbalock
);
839 /* Cancel all the IOCBs from the completions list */
840 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
843 lpfc_sli_abort_iocb_ring(phba
, pring
);
844 spin_lock_irq(&phba
->hbalock
);
846 spin_unlock_irq(&phba
->hbalock
);
852 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
853 * @phba: pointer to lpfc HBA data structure.
855 * This routine will do uninitialization after the HBA is reset when bring
856 * down the SLI Layer.
860 * Any other value - error.
863 lpfc_hba_down_post_s4(struct lpfc_hba
*phba
)
865 struct lpfc_scsi_buf
*psb
, *psb_next
;
868 unsigned long iflag
= 0;
869 struct lpfc_sglq
*sglq_entry
= NULL
;
871 ret
= lpfc_hba_down_post_s3(phba
);
874 /* At this point in time the HBA is either reset or DOA. Either
875 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
876 * on the lpfc_sgl_list so that it can either be freed if the
877 * driver is unloading or reposted if the driver is restarting
880 spin_lock_irq(&phba
->hbalock
); /* required for lpfc_sgl_list and */
882 /* abts_sgl_list_lock required because worker thread uses this
885 spin_lock(&phba
->sli4_hba
.abts_sgl_list_lock
);
886 list_for_each_entry(sglq_entry
,
887 &phba
->sli4_hba
.lpfc_abts_els_sgl_list
, list
)
888 sglq_entry
->state
= SGL_FREED
;
890 list_splice_init(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
,
891 &phba
->sli4_hba
.lpfc_sgl_list
);
892 spin_unlock(&phba
->sli4_hba
.abts_sgl_list_lock
);
893 /* abts_scsi_buf_list_lock required because worker thread uses this
896 spin_lock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
897 list_splice_init(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
,
899 spin_unlock(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
900 spin_unlock_irq(&phba
->hbalock
);
902 list_for_each_entry_safe(psb
, psb_next
, &aborts
, list
) {
904 psb
->status
= IOSTAT_SUCCESS
;
906 spin_lock_irqsave(&phba
->scsi_buf_list_lock
, iflag
);
907 list_splice(&aborts
, &phba
->lpfc_scsi_buf_list
);
908 spin_unlock_irqrestore(&phba
->scsi_buf_list_lock
, iflag
);
913 * lpfc_hba_down_post - Wrapper func for hba down post routine
914 * @phba: pointer to lpfc HBA data structure.
916 * This routine wraps the actual SLI3 or SLI4 routine for performing
917 * uninitialization after the HBA is reset when bring down the SLI Layer.
921 * Any other value - error.
924 lpfc_hba_down_post(struct lpfc_hba
*phba
)
926 return (*phba
->lpfc_hba_down_post
)(phba
);
930 * lpfc_hb_timeout - The HBA-timer timeout handler
931 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
933 * This is the HBA-timer timeout handler registered to the lpfc driver. When
934 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
935 * work-port-events bitmap and the worker thread is notified. This timeout
936 * event will be used by the worker thread to invoke the actual timeout
937 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
938 * be performed in the timeout handler and the HBA timeout event bit shall
939 * be cleared by the worker thread after it has taken the event bitmap out.
942 lpfc_hb_timeout(unsigned long ptr
)
944 struct lpfc_hba
*phba
;
948 phba
= (struct lpfc_hba
*)ptr
;
950 /* Check for heart beat timeout conditions */
951 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
952 tmo_posted
= phba
->pport
->work_port_events
& WORKER_HB_TMO
;
954 phba
->pport
->work_port_events
|= WORKER_HB_TMO
;
955 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
957 /* Tell the worker thread there is work to do */
959 lpfc_worker_wake_up(phba
);
964 * lpfc_rrq_timeout - The RRQ-timer timeout handler
965 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
967 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
968 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
969 * work-port-events bitmap and the worker thread is notified. This timeout
970 * event will be used by the worker thread to invoke the actual timeout
971 * handler routine, lpfc_rrq_handler. Any periodical operations will
972 * be performed in the timeout handler and the RRQ timeout event bit shall
973 * be cleared by the worker thread after it has taken the event bitmap out.
976 lpfc_rrq_timeout(unsigned long ptr
)
978 struct lpfc_hba
*phba
;
981 phba
= (struct lpfc_hba
*)ptr
;
982 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
983 phba
->hba_flag
|= HBA_RRQ_ACTIVE
;
984 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
985 lpfc_worker_wake_up(phba
);
989 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
990 * @phba: pointer to lpfc hba data structure.
991 * @pmboxq: pointer to the driver internal queue element for mailbox command.
993 * This is the callback function to the lpfc heart-beat mailbox command.
994 * If configured, the lpfc driver issues the heart-beat mailbox command to
995 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
996 * heart-beat mailbox command is issued, the driver shall set up heart-beat
997 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
998 * heart-beat outstanding state. Once the mailbox command comes back and
999 * no error conditions detected, the heart-beat mailbox command timer is
1000 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1001 * state is cleared for the next heart-beat. If the timer expired with the
1002 * heart-beat outstanding state set, the driver will put the HBA offline.
1005 lpfc_hb_mbox_cmpl(struct lpfc_hba
* phba
, LPFC_MBOXQ_t
* pmboxq
)
1007 unsigned long drvr_flag
;
1009 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
1010 phba
->hb_outstanding
= 0;
1011 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
1013 /* Check and reset heart-beat timer is necessary */
1014 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
1015 if (!(phba
->pport
->fc_flag
& FC_OFFLINE_MODE
) &&
1016 !(phba
->link_state
== LPFC_HBA_ERROR
) &&
1017 !(phba
->pport
->load_flag
& FC_UNLOADING
))
1018 mod_timer(&phba
->hb_tmofunc
,
1019 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
1024 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
1025 * @phba: pointer to lpfc hba data structure.
1027 * This is the actual HBA-timer timeout handler to be invoked by the worker
1028 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1029 * handler performs any periodic operations needed for the device. If such
1030 * periodic event has already been attended to either in the interrupt handler
1031 * or by processing slow-ring or fast-ring events within the HBA-timer
1032 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1033 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1034 * is configured and there is no heart-beat mailbox command outstanding, a
1035 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1036 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1040 lpfc_hb_timeout_handler(struct lpfc_hba
*phba
)
1042 struct lpfc_vport
**vports
;
1043 LPFC_MBOXQ_t
*pmboxq
;
1044 struct lpfc_dmabuf
*buf_ptr
;
1046 struct lpfc_sli
*psli
= &phba
->sli
;
1047 LIST_HEAD(completions
);
1049 vports
= lpfc_create_vport_work_array(phba
);
1051 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
1052 lpfc_rcv_seq_check_edtov(vports
[i
]);
1053 lpfc_destroy_vport_work_array(phba
, vports
);
1055 if ((phba
->link_state
== LPFC_HBA_ERROR
) ||
1056 (phba
->pport
->load_flag
& FC_UNLOADING
) ||
1057 (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
))
1060 spin_lock_irq(&phba
->pport
->work_port_lock
);
1062 if (time_after(phba
->last_completion_time
+ LPFC_HB_MBOX_INTERVAL
* HZ
,
1064 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1065 if (!phba
->hb_outstanding
)
1066 mod_timer(&phba
->hb_tmofunc
,
1067 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
1069 mod_timer(&phba
->hb_tmofunc
,
1070 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
1073 spin_unlock_irq(&phba
->pport
->work_port_lock
);
1075 if (phba
->elsbuf_cnt
&&
1076 (phba
->elsbuf_cnt
== phba
->elsbuf_prev_cnt
)) {
1077 spin_lock_irq(&phba
->hbalock
);
1078 list_splice_init(&phba
->elsbuf
, &completions
);
1079 phba
->elsbuf_cnt
= 0;
1080 phba
->elsbuf_prev_cnt
= 0;
1081 spin_unlock_irq(&phba
->hbalock
);
1083 while (!list_empty(&completions
)) {
1084 list_remove_head(&completions
, buf_ptr
,
1085 struct lpfc_dmabuf
, list
);
1086 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
1090 phba
->elsbuf_prev_cnt
= phba
->elsbuf_cnt
;
1092 /* If there is no heart beat outstanding, issue a heartbeat command */
1093 if (phba
->cfg_enable_hba_heartbeat
) {
1094 if (!phba
->hb_outstanding
) {
1095 if ((!(psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
)) &&
1096 (list_empty(&psli
->mboxq
))) {
1097 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,
1100 mod_timer(&phba
->hb_tmofunc
,
1102 HZ
* LPFC_HB_MBOX_INTERVAL
);
1106 lpfc_heart_beat(phba
, pmboxq
);
1107 pmboxq
->mbox_cmpl
= lpfc_hb_mbox_cmpl
;
1108 pmboxq
->vport
= phba
->pport
;
1109 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
,
1112 if (retval
!= MBX_BUSY
&&
1113 retval
!= MBX_SUCCESS
) {
1114 mempool_free(pmboxq
,
1115 phba
->mbox_mem_pool
);
1116 mod_timer(&phba
->hb_tmofunc
,
1118 HZ
* LPFC_HB_MBOX_INTERVAL
);
1121 phba
->skipped_hb
= 0;
1122 phba
->hb_outstanding
= 1;
1123 } else if (time_before_eq(phba
->last_completion_time
,
1124 phba
->skipped_hb
)) {
1125 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1126 "2857 Last completion time not "
1127 " updated in %d ms\n",
1128 jiffies_to_msecs(jiffies
1129 - phba
->last_completion_time
));
1131 phba
->skipped_hb
= jiffies
;
1133 mod_timer(&phba
->hb_tmofunc
,
1134 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
1138 * If heart beat timeout called with hb_outstanding set
1139 * we need to give the hb mailbox cmd a chance to
1142 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
1143 "0459 Adapter heartbeat still out"
1144 "standing:last compl time was %d ms.\n",
1145 jiffies_to_msecs(jiffies
1146 - phba
->last_completion_time
));
1147 mod_timer(&phba
->hb_tmofunc
,
1148 jiffies
+ HZ
* LPFC_HB_MBOX_TIMEOUT
);
1154 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
1155 * @phba: pointer to lpfc hba data structure.
1157 * This routine is called to bring the HBA offline when HBA hardware error
1158 * other than Port Error 6 has been detected.
1161 lpfc_offline_eratt(struct lpfc_hba
*phba
)
1163 struct lpfc_sli
*psli
= &phba
->sli
;
1165 spin_lock_irq(&phba
->hbalock
);
1166 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1167 spin_unlock_irq(&phba
->hbalock
);
1168 lpfc_offline_prep(phba
);
1171 lpfc_reset_barrier(phba
);
1172 spin_lock_irq(&phba
->hbalock
);
1173 lpfc_sli_brdreset(phba
);
1174 spin_unlock_irq(&phba
->hbalock
);
1175 lpfc_hba_down_post(phba
);
1176 lpfc_sli_brdready(phba
, HS_MBRDY
);
1177 lpfc_unblock_mgmt_io(phba
);
1178 phba
->link_state
= LPFC_HBA_ERROR
;
1183 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1184 * @phba: pointer to lpfc hba data structure.
1186 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1187 * other than Port Error 6 has been detected.
1190 lpfc_sli4_offline_eratt(struct lpfc_hba
*phba
)
1192 lpfc_offline_prep(phba
);
1194 lpfc_sli4_brdreset(phba
);
1195 lpfc_hba_down_post(phba
);
1196 lpfc_sli4_post_status_check(phba
);
1197 lpfc_unblock_mgmt_io(phba
);
1198 phba
->link_state
= LPFC_HBA_ERROR
;
1202 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1203 * @phba: pointer to lpfc hba data structure.
1205 * This routine is invoked to handle the deferred HBA hardware error
1206 * conditions. This type of error is indicated by HBA by setting ER1
1207 * and another ER bit in the host status register. The driver will
1208 * wait until the ER1 bit clears before handling the error condition.
1211 lpfc_handle_deferred_eratt(struct lpfc_hba
*phba
)
1213 uint32_t old_host_status
= phba
->work_hs
;
1214 struct lpfc_sli_ring
*pring
;
1215 struct lpfc_sli
*psli
= &phba
->sli
;
1217 /* If the pci channel is offline, ignore possible errors,
1218 * since we cannot communicate with the pci card anyway.
1220 if (pci_channel_offline(phba
->pcidev
)) {
1221 spin_lock_irq(&phba
->hbalock
);
1222 phba
->hba_flag
&= ~DEFER_ERATT
;
1223 spin_unlock_irq(&phba
->hbalock
);
1227 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1228 "0479 Deferred Adapter Hardware Error "
1229 "Data: x%x x%x x%x\n",
1231 phba
->work_status
[0], phba
->work_status
[1]);
1233 spin_lock_irq(&phba
->hbalock
);
1234 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1235 spin_unlock_irq(&phba
->hbalock
);
1239 * Firmware stops when it triggred erratt. That could cause the I/Os
1240 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1241 * SCSI layer retry it after re-establishing link.
1243 pring
= &psli
->ring
[psli
->fcp_ring
];
1244 lpfc_sli_abort_iocb_ring(phba
, pring
);
1247 * There was a firmware error. Take the hba offline and then
1248 * attempt to restart it.
1250 lpfc_offline_prep(phba
);
1253 /* Wait for the ER1 bit to clear.*/
1254 while (phba
->work_hs
& HS_FFER1
) {
1256 if (lpfc_readl(phba
->HSregaddr
, &phba
->work_hs
)) {
1257 phba
->work_hs
= UNPLUG_ERR
;
1260 /* If driver is unloading let the worker thread continue */
1261 if (phba
->pport
->load_flag
& FC_UNLOADING
) {
1268 * This is to ptrotect against a race condition in which
1269 * first write to the host attention register clear the
1270 * host status register.
1272 if ((!phba
->work_hs
) && (!(phba
->pport
->load_flag
& FC_UNLOADING
)))
1273 phba
->work_hs
= old_host_status
& ~HS_FFER1
;
1275 spin_lock_irq(&phba
->hbalock
);
1276 phba
->hba_flag
&= ~DEFER_ERATT
;
1277 spin_unlock_irq(&phba
->hbalock
);
1278 phba
->work_status
[0] = readl(phba
->MBslimaddr
+ 0xa8);
1279 phba
->work_status
[1] = readl(phba
->MBslimaddr
+ 0xac);
1283 lpfc_board_errevt_to_mgmt(struct lpfc_hba
*phba
)
1285 struct lpfc_board_event_header board_event
;
1286 struct Scsi_Host
*shost
;
1288 board_event
.event_type
= FC_REG_BOARD_EVENT
;
1289 board_event
.subcategory
= LPFC_EVENT_PORTINTERR
;
1290 shost
= lpfc_shost_from_vport(phba
->pport
);
1291 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1292 sizeof(board_event
),
1293 (char *) &board_event
,
1298 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
1299 * @phba: pointer to lpfc hba data structure.
1301 * This routine is invoked to handle the following HBA hardware error
1303 * 1 - HBA error attention interrupt
1304 * 2 - DMA ring index out of range
1305 * 3 - Mailbox command came back as unknown
1308 lpfc_handle_eratt_s3(struct lpfc_hba
*phba
)
1310 struct lpfc_vport
*vport
= phba
->pport
;
1311 struct lpfc_sli
*psli
= &phba
->sli
;
1312 struct lpfc_sli_ring
*pring
;
1313 uint32_t event_data
;
1314 unsigned long temperature
;
1315 struct temp_event temp_event_data
;
1316 struct Scsi_Host
*shost
;
1318 /* If the pci channel is offline, ignore possible errors,
1319 * since we cannot communicate with the pci card anyway.
1321 if (pci_channel_offline(phba
->pcidev
)) {
1322 spin_lock_irq(&phba
->hbalock
);
1323 phba
->hba_flag
&= ~DEFER_ERATT
;
1324 spin_unlock_irq(&phba
->hbalock
);
1328 /* If resets are disabled then leave the HBA alone and return */
1329 if (!phba
->cfg_enable_hba_reset
)
1332 /* Send an internal error event to mgmt application */
1333 lpfc_board_errevt_to_mgmt(phba
);
1335 if (phba
->hba_flag
& DEFER_ERATT
)
1336 lpfc_handle_deferred_eratt(phba
);
1338 if ((phba
->work_hs
& HS_FFER6
) || (phba
->work_hs
& HS_FFER8
)) {
1339 if (phba
->work_hs
& HS_FFER6
)
1340 /* Re-establishing Link */
1341 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1342 "1301 Re-establishing Link "
1343 "Data: x%x x%x x%x\n",
1344 phba
->work_hs
, phba
->work_status
[0],
1345 phba
->work_status
[1]);
1346 if (phba
->work_hs
& HS_FFER8
)
1347 /* Device Zeroization */
1348 lpfc_printf_log(phba
, KERN_INFO
, LOG_LINK_EVENT
,
1349 "2861 Host Authentication device "
1350 "zeroization Data:x%x x%x x%x\n",
1351 phba
->work_hs
, phba
->work_status
[0],
1352 phba
->work_status
[1]);
1354 spin_lock_irq(&phba
->hbalock
);
1355 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
1356 spin_unlock_irq(&phba
->hbalock
);
1359 * Firmware stops when it triggled erratt with HS_FFER6.
1360 * That could cause the I/Os dropped by the firmware.
1361 * Error iocb (I/O) on txcmplq and let the SCSI layer
1362 * retry it after re-establishing link.
1364 pring
= &psli
->ring
[psli
->fcp_ring
];
1365 lpfc_sli_abort_iocb_ring(phba
, pring
);
1368 * There was a firmware error. Take the hba offline and then
1369 * attempt to restart it.
1371 lpfc_offline_prep(phba
);
1373 lpfc_sli_brdrestart(phba
);
1374 if (lpfc_online(phba
) == 0) { /* Initialize the HBA */
1375 lpfc_unblock_mgmt_io(phba
);
1378 lpfc_unblock_mgmt_io(phba
);
1379 } else if (phba
->work_hs
& HS_CRIT_TEMP
) {
1380 temperature
= readl(phba
->MBslimaddr
+ TEMPERATURE_OFFSET
);
1381 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
1382 temp_event_data
.event_code
= LPFC_CRIT_TEMP
;
1383 temp_event_data
.data
= (uint32_t)temperature
;
1385 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1386 "0406 Adapter maximum temperature exceeded "
1387 "(%ld), taking this port offline "
1388 "Data: x%x x%x x%x\n",
1389 temperature
, phba
->work_hs
,
1390 phba
->work_status
[0], phba
->work_status
[1]);
1392 shost
= lpfc_shost_from_vport(phba
->pport
);
1393 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1394 sizeof(temp_event_data
),
1395 (char *) &temp_event_data
,
1396 SCSI_NL_VID_TYPE_PCI
1397 | PCI_VENDOR_ID_EMULEX
);
1399 spin_lock_irq(&phba
->hbalock
);
1400 phba
->over_temp_state
= HBA_OVER_TEMP
;
1401 spin_unlock_irq(&phba
->hbalock
);
1402 lpfc_offline_eratt(phba
);
1405 /* The if clause above forces this code path when the status
1406 * failure is a value other than FFER6. Do not call the offline
1407 * twice. This is the adapter hardware error path.
1409 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1410 "0457 Adapter Hardware Error "
1411 "Data: x%x x%x x%x\n",
1413 phba
->work_status
[0], phba
->work_status
[1]);
1415 event_data
= FC_REG_DUMP_EVENT
;
1416 shost
= lpfc_shost_from_vport(vport
);
1417 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1418 sizeof(event_data
), (char *) &event_data
,
1419 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1421 lpfc_offline_eratt(phba
);
1427 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1428 * @phba: pointer to lpfc hba data structure.
1430 * This routine is invoked to handle the SLI4 HBA hardware error attention
1434 lpfc_handle_eratt_s4(struct lpfc_hba
*phba
)
1436 struct lpfc_vport
*vport
= phba
->pport
;
1437 uint32_t event_data
;
1438 struct Scsi_Host
*shost
;
1440 struct lpfc_register portstat_reg
;
1443 /* If the pci channel is offline, ignore possible errors, since
1444 * we cannot communicate with the pci card anyway.
1446 if (pci_channel_offline(phba
->pcidev
))
1448 /* If resets are disabled then leave the HBA alone and return */
1449 if (!phba
->cfg_enable_hba_reset
)
1452 /* Send an internal error event to mgmt application */
1453 lpfc_board_errevt_to_mgmt(phba
);
1455 /* For now, the actual action for SLI4 device handling is not
1456 * specified yet, just treated it as adaptor hardware failure
1458 event_data
= FC_REG_DUMP_EVENT
;
1459 shost
= lpfc_shost_from_vport(vport
);
1460 fc_host_post_vendor_event(shost
, fc_get_event_number(),
1461 sizeof(event_data
), (char *) &event_data
,
1462 SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX
);
1464 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
1466 case LPFC_SLI_INTF_IF_TYPE_0
:
1467 lpfc_sli4_offline_eratt(phba
);
1469 case LPFC_SLI_INTF_IF_TYPE_2
:
1470 portstat_reg
.word0
=
1471 readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
);
1473 if (bf_get(lpfc_sliport_status_oti
, &portstat_reg
)) {
1474 /* TODO: Register for Overtemp async events. */
1475 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1476 "2889 Port Overtemperature event, "
1478 spin_lock_irq(&phba
->hbalock
);
1479 phba
->over_temp_state
= HBA_OVER_TEMP
;
1480 spin_unlock_irq(&phba
->hbalock
);
1481 lpfc_sli4_offline_eratt(phba
);
1485 * On error status condition, driver need to wait for port
1486 * ready before performing reset.
1488 rc
= lpfc_sli4_pdev_status_reg_wait(phba
);
1490 /* need reset: attempt for port recovery */
1491 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1492 "2887 Port Error: Attempting "
1494 lpfc_offline_prep(phba
);
1496 lpfc_sli_brdrestart(phba
);
1497 if (lpfc_online(phba
) == 0) {
1498 lpfc_unblock_mgmt_io(phba
);
1501 /* fall through for not able to recover */
1503 lpfc_sli4_offline_eratt(phba
);
1505 case LPFC_SLI_INTF_IF_TYPE_1
:
1512 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1513 * @phba: pointer to lpfc HBA data structure.
1515 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1516 * routine from the API jump table function pointer from the lpfc_hba struct.
1520 * Any other value - error.
1523 lpfc_handle_eratt(struct lpfc_hba
*phba
)
1525 (*phba
->lpfc_handle_eratt
)(phba
);
1529 * lpfc_handle_latt - The HBA link event handler
1530 * @phba: pointer to lpfc hba data structure.
1532 * This routine is invoked from the worker thread to handle a HBA host
1533 * attention link event.
1536 lpfc_handle_latt(struct lpfc_hba
*phba
)
1538 struct lpfc_vport
*vport
= phba
->pport
;
1539 struct lpfc_sli
*psli
= &phba
->sli
;
1541 volatile uint32_t control
;
1542 struct lpfc_dmabuf
*mp
;
1545 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1548 goto lpfc_handle_latt_err_exit
;
1551 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
1554 goto lpfc_handle_latt_free_pmb
;
1557 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
1560 goto lpfc_handle_latt_free_mp
;
1563 /* Cleanup any outstanding ELS commands */
1564 lpfc_els_flush_all_cmd(phba
);
1566 psli
->slistat
.link_event
++;
1567 lpfc_read_topology(phba
, pmb
, mp
);
1568 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
1570 /* Block ELS IOCBs until we have processed this mbox command */
1571 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
1572 rc
= lpfc_sli_issue_mbox (phba
, pmb
, MBX_NOWAIT
);
1573 if (rc
== MBX_NOT_FINISHED
) {
1575 goto lpfc_handle_latt_free_mbuf
;
1578 /* Clear Link Attention in HA REG */
1579 spin_lock_irq(&phba
->hbalock
);
1580 writel(HA_LATT
, phba
->HAregaddr
);
1581 readl(phba
->HAregaddr
); /* flush */
1582 spin_unlock_irq(&phba
->hbalock
);
1586 lpfc_handle_latt_free_mbuf
:
1587 phba
->sli
.ring
[LPFC_ELS_RING
].flag
&= ~LPFC_STOP_IOCB_EVENT
;
1588 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
1589 lpfc_handle_latt_free_mp
:
1591 lpfc_handle_latt_free_pmb
:
1592 mempool_free(pmb
, phba
->mbox_mem_pool
);
1593 lpfc_handle_latt_err_exit
:
1594 /* Enable Link attention interrupts */
1595 spin_lock_irq(&phba
->hbalock
);
1596 psli
->sli_flag
|= LPFC_PROCESS_LA
;
1597 control
= readl(phba
->HCregaddr
);
1598 control
|= HC_LAINT_ENA
;
1599 writel(control
, phba
->HCregaddr
);
1600 readl(phba
->HCregaddr
); /* flush */
1602 /* Clear Link Attention in HA REG */
1603 writel(HA_LATT
, phba
->HAregaddr
);
1604 readl(phba
->HAregaddr
); /* flush */
1605 spin_unlock_irq(&phba
->hbalock
);
1606 lpfc_linkdown(phba
);
1607 phba
->link_state
= LPFC_HBA_ERROR
;
1609 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
1610 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc
);
1616 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
1617 * @phba: pointer to lpfc hba data structure.
1618 * @vpd: pointer to the vital product data.
1619 * @len: length of the vital product data in bytes.
1621 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1622 * an array of characters. In this routine, the ModelName, ProgramType, and
1623 * ModelDesc, etc. fields of the phba data structure will be populated.
1626 * 0 - pointer to the VPD passed in is NULL
1630 lpfc_parse_vpd(struct lpfc_hba
*phba
, uint8_t *vpd
, int len
)
1632 uint8_t lenlo
, lenhi
;
1642 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
1643 "0455 Vital Product Data: x%x x%x x%x x%x\n",
1644 (uint32_t) vpd
[0], (uint32_t) vpd
[1], (uint32_t) vpd
[2],
1646 while (!finished
&& (index
< (len
- 4))) {
1647 switch (vpd
[index
]) {
1655 i
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1664 Length
= ((((unsigned short)lenhi
) << 8) + lenlo
);
1665 if (Length
> len
- index
)
1666 Length
= len
- index
;
1667 while (Length
> 0) {
1668 /* Look for Serial Number */
1669 if ((vpd
[index
] == 'S') && (vpd
[index
+1] == 'N')) {
1676 phba
->SerialNumber
[j
++] = vpd
[index
++];
1680 phba
->SerialNumber
[j
] = 0;
1683 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '1')) {
1684 phba
->vpd_flag
|= VPD_MODEL_DESC
;
1691 phba
->ModelDesc
[j
++] = vpd
[index
++];
1695 phba
->ModelDesc
[j
] = 0;
1698 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '2')) {
1699 phba
->vpd_flag
|= VPD_MODEL_NAME
;
1706 phba
->ModelName
[j
++] = vpd
[index
++];
1710 phba
->ModelName
[j
] = 0;
1713 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '3')) {
1714 phba
->vpd_flag
|= VPD_PROGRAM_TYPE
;
1721 phba
->ProgramType
[j
++] = vpd
[index
++];
1725 phba
->ProgramType
[j
] = 0;
1728 else if ((vpd
[index
] == 'V') && (vpd
[index
+1] == '4')) {
1729 phba
->vpd_flag
|= VPD_PORT
;
1736 phba
->Port
[j
++] = vpd
[index
++];
1766 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
1767 * @phba: pointer to lpfc hba data structure.
1768 * @mdp: pointer to the data structure to hold the derived model name.
1769 * @descp: pointer to the data structure to hold the derived description.
1771 * This routine retrieves HBA's description based on its registered PCI device
1772 * ID. The @descp passed into this function points to an array of 256 chars. It
1773 * shall be returned with the model name, maximum speed, and the host bus type.
1774 * The @mdp passed into this function points to an array of 80 chars. When the
1775 * function returns, the @mdp will be filled with the model name.
1778 lpfc_get_hba_model_desc(struct lpfc_hba
*phba
, uint8_t *mdp
, uint8_t *descp
)
1781 uint16_t dev_id
= phba
->pcidev
->device
;
1784 int oneConnect
= 0; /* default is not a oneConnect */
1789 } m
= {"<Unknown>", "", ""};
1791 if (mdp
&& mdp
[0] != '\0'
1792 && descp
&& descp
[0] != '\0')
1795 if (phba
->lmt
& LMT_16Gb
)
1797 else if (phba
->lmt
& LMT_10Gb
)
1799 else if (phba
->lmt
& LMT_8Gb
)
1801 else if (phba
->lmt
& LMT_4Gb
)
1803 else if (phba
->lmt
& LMT_2Gb
)
1811 case PCI_DEVICE_ID_FIREFLY
:
1812 m
= (typeof(m
)){"LP6000", "PCI", "Fibre Channel Adapter"};
1814 case PCI_DEVICE_ID_SUPERFLY
:
1815 if (vp
->rev
.biuRev
>= 1 && vp
->rev
.biuRev
<= 3)
1816 m
= (typeof(m
)){"LP7000", "PCI",
1817 "Fibre Channel Adapter"};
1819 m
= (typeof(m
)){"LP7000E", "PCI",
1820 "Fibre Channel Adapter"};
1822 case PCI_DEVICE_ID_DRAGONFLY
:
1823 m
= (typeof(m
)){"LP8000", "PCI",
1824 "Fibre Channel Adapter"};
1826 case PCI_DEVICE_ID_CENTAUR
:
1827 if (FC_JEDEC_ID(vp
->rev
.biuRev
) == CENTAUR_2G_JEDEC_ID
)
1828 m
= (typeof(m
)){"LP9002", "PCI",
1829 "Fibre Channel Adapter"};
1831 m
= (typeof(m
)){"LP9000", "PCI",
1832 "Fibre Channel Adapter"};
1834 case PCI_DEVICE_ID_RFLY
:
1835 m
= (typeof(m
)){"LP952", "PCI",
1836 "Fibre Channel Adapter"};
1838 case PCI_DEVICE_ID_PEGASUS
:
1839 m
= (typeof(m
)){"LP9802", "PCI-X",
1840 "Fibre Channel Adapter"};
1842 case PCI_DEVICE_ID_THOR
:
1843 m
= (typeof(m
)){"LP10000", "PCI-X",
1844 "Fibre Channel Adapter"};
1846 case PCI_DEVICE_ID_VIPER
:
1847 m
= (typeof(m
)){"LPX1000", "PCI-X",
1848 "Fibre Channel Adapter"};
1850 case PCI_DEVICE_ID_PFLY
:
1851 m
= (typeof(m
)){"LP982", "PCI-X",
1852 "Fibre Channel Adapter"};
1854 case PCI_DEVICE_ID_TFLY
:
1855 m
= (typeof(m
)){"LP1050", "PCI-X",
1856 "Fibre Channel Adapter"};
1858 case PCI_DEVICE_ID_HELIOS
:
1859 m
= (typeof(m
)){"LP11000", "PCI-X2",
1860 "Fibre Channel Adapter"};
1862 case PCI_DEVICE_ID_HELIOS_SCSP
:
1863 m
= (typeof(m
)){"LP11000-SP", "PCI-X2",
1864 "Fibre Channel Adapter"};
1866 case PCI_DEVICE_ID_HELIOS_DCSP
:
1867 m
= (typeof(m
)){"LP11002-SP", "PCI-X2",
1868 "Fibre Channel Adapter"};
1870 case PCI_DEVICE_ID_NEPTUNE
:
1871 m
= (typeof(m
)){"LPe1000", "PCIe", "Fibre Channel Adapter"};
1873 case PCI_DEVICE_ID_NEPTUNE_SCSP
:
1874 m
= (typeof(m
)){"LPe1000-SP", "PCIe", "Fibre Channel Adapter"};
1876 case PCI_DEVICE_ID_NEPTUNE_DCSP
:
1877 m
= (typeof(m
)){"LPe1002-SP", "PCIe", "Fibre Channel Adapter"};
1879 case PCI_DEVICE_ID_BMID
:
1880 m
= (typeof(m
)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
1882 case PCI_DEVICE_ID_BSMB
:
1883 m
= (typeof(m
)){"LP111", "PCI-X2", "Fibre Channel Adapter"};
1885 case PCI_DEVICE_ID_ZEPHYR
:
1886 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
1888 case PCI_DEVICE_ID_ZEPHYR_SCSP
:
1889 m
= (typeof(m
)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
1891 case PCI_DEVICE_ID_ZEPHYR_DCSP
:
1892 m
= (typeof(m
)){"LP2105", "PCIe", "FCoE Adapter"};
1895 case PCI_DEVICE_ID_ZMID
:
1896 m
= (typeof(m
)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
1898 case PCI_DEVICE_ID_ZSMB
:
1899 m
= (typeof(m
)){"LPe111", "PCIe", "Fibre Channel Adapter"};
1901 case PCI_DEVICE_ID_LP101
:
1902 m
= (typeof(m
)){"LP101", "PCI-X", "Fibre Channel Adapter"};
1904 case PCI_DEVICE_ID_LP10000S
:
1905 m
= (typeof(m
)){"LP10000-S", "PCI", "Fibre Channel Adapter"};
1907 case PCI_DEVICE_ID_LP11000S
:
1908 m
= (typeof(m
)){"LP11000-S", "PCI-X2", "Fibre Channel Adapter"};
1910 case PCI_DEVICE_ID_LPE11000S
:
1911 m
= (typeof(m
)){"LPe11000-S", "PCIe", "Fibre Channel Adapter"};
1913 case PCI_DEVICE_ID_SAT
:
1914 m
= (typeof(m
)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
1916 case PCI_DEVICE_ID_SAT_MID
:
1917 m
= (typeof(m
)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
1919 case PCI_DEVICE_ID_SAT_SMB
:
1920 m
= (typeof(m
)){"LPe121", "PCIe", "Fibre Channel Adapter"};
1922 case PCI_DEVICE_ID_SAT_DCSP
:
1923 m
= (typeof(m
)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
1925 case PCI_DEVICE_ID_SAT_SCSP
:
1926 m
= (typeof(m
)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
1928 case PCI_DEVICE_ID_SAT_S
:
1929 m
= (typeof(m
)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
1931 case PCI_DEVICE_ID_HORNET
:
1932 m
= (typeof(m
)){"LP21000", "PCIe", "FCoE Adapter"};
1935 case PCI_DEVICE_ID_PROTEUS_VF
:
1936 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
1937 "Fibre Channel Adapter"};
1939 case PCI_DEVICE_ID_PROTEUS_PF
:
1940 m
= (typeof(m
)){"LPev12000", "PCIe IOV",
1941 "Fibre Channel Adapter"};
1943 case PCI_DEVICE_ID_PROTEUS_S
:
1944 m
= (typeof(m
)){"LPemv12002-S", "PCIe IOV",
1945 "Fibre Channel Adapter"};
1947 case PCI_DEVICE_ID_TIGERSHARK
:
1949 m
= (typeof(m
)){"OCe10100", "PCIe", "FCoE"};
1951 case PCI_DEVICE_ID_TOMCAT
:
1953 m
= (typeof(m
)){"OCe11100", "PCIe", "FCoE"};
1955 case PCI_DEVICE_ID_FALCON
:
1956 m
= (typeof(m
)){"LPSe12002-ML1-E", "PCIe",
1957 "EmulexSecure Fibre"};
1959 case PCI_DEVICE_ID_BALIUS
:
1960 m
= (typeof(m
)){"LPVe12002", "PCIe Shared I/O",
1961 "Fibre Channel Adapter"};
1963 case PCI_DEVICE_ID_LANCER_FC
:
1964 case PCI_DEVICE_ID_LANCER_FC_VF
:
1965 m
= (typeof(m
)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
1967 case PCI_DEVICE_ID_LANCER_FCOE
:
1968 case PCI_DEVICE_ID_LANCER_FCOE_VF
:
1970 m
= (typeof(m
)){"OCe15100", "PCIe", "FCoE"};
1973 m
= (typeof(m
)){"Unknown", "", ""};
1977 if (mdp
&& mdp
[0] == '\0')
1978 snprintf(mdp
, 79,"%s", m
.name
);
1980 * oneConnect hba requires special processing, they are all initiators
1981 * and we put the port number on the end
1983 if (descp
&& descp
[0] == '\0') {
1985 snprintf(descp
, 255,
1986 "Emulex OneConnect %s, %s Initiator, Port %s",
1990 snprintf(descp
, 255,
1991 "Emulex %s %d%s %s %s",
1992 m
.name
, max_speed
, (GE
) ? "GE" : "Gb",
1998 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
1999 * @phba: pointer to lpfc hba data structure.
2000 * @pring: pointer to a IOCB ring.
2001 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2003 * This routine posts a given number of IOCBs with the associated DMA buffer
2004 * descriptors specified by the cnt argument to the given IOCB ring.
2007 * The number of IOCBs NOT able to be posted to the IOCB ring.
2010 lpfc_post_buffer(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
, int cnt
)
2013 struct lpfc_iocbq
*iocb
;
2014 struct lpfc_dmabuf
*mp1
, *mp2
;
2016 cnt
+= pring
->missbufcnt
;
2018 /* While there are buffers to post */
2020 /* Allocate buffer for command iocb */
2021 iocb
= lpfc_sli_get_iocbq(phba
);
2023 pring
->missbufcnt
= cnt
;
2028 /* 2 buffers can be posted per command */
2029 /* Allocate buffer to post */
2030 mp1
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2032 mp1
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
, &mp1
->phys
);
2033 if (!mp1
|| !mp1
->virt
) {
2035 lpfc_sli_release_iocbq(phba
, iocb
);
2036 pring
->missbufcnt
= cnt
;
2040 INIT_LIST_HEAD(&mp1
->list
);
2041 /* Allocate buffer to post */
2043 mp2
= kmalloc(sizeof (struct lpfc_dmabuf
), GFP_KERNEL
);
2045 mp2
->virt
= lpfc_mbuf_alloc(phba
, MEM_PRI
,
2047 if (!mp2
|| !mp2
->virt
) {
2049 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2051 lpfc_sli_release_iocbq(phba
, iocb
);
2052 pring
->missbufcnt
= cnt
;
2056 INIT_LIST_HEAD(&mp2
->list
);
2061 icmd
->un
.cont64
[0].addrHigh
= putPaddrHigh(mp1
->phys
);
2062 icmd
->un
.cont64
[0].addrLow
= putPaddrLow(mp1
->phys
);
2063 icmd
->un
.cont64
[0].tus
.f
.bdeSize
= FCELSSIZE
;
2064 icmd
->ulpBdeCount
= 1;
2067 icmd
->un
.cont64
[1].addrHigh
= putPaddrHigh(mp2
->phys
);
2068 icmd
->un
.cont64
[1].addrLow
= putPaddrLow(mp2
->phys
);
2069 icmd
->un
.cont64
[1].tus
.f
.bdeSize
= FCELSSIZE
;
2071 icmd
->ulpBdeCount
= 2;
2074 icmd
->ulpCommand
= CMD_QUE_RING_BUF64_CN
;
2077 if (lpfc_sli_issue_iocb(phba
, pring
->ringno
, iocb
, 0) ==
2079 lpfc_mbuf_free(phba
, mp1
->virt
, mp1
->phys
);
2083 lpfc_mbuf_free(phba
, mp2
->virt
, mp2
->phys
);
2087 lpfc_sli_release_iocbq(phba
, iocb
);
2088 pring
->missbufcnt
= cnt
;
2091 lpfc_sli_ringpostbuf_put(phba
, pring
, mp1
);
2093 lpfc_sli_ringpostbuf_put(phba
, pring
, mp2
);
2095 pring
->missbufcnt
= 0;
2100 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
2101 * @phba: pointer to lpfc hba data structure.
2103 * This routine posts initial receive IOCB buffers to the ELS ring. The
2104 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2108 * 0 - success (currently always success)
2111 lpfc_post_rcv_buf(struct lpfc_hba
*phba
)
2113 struct lpfc_sli
*psli
= &phba
->sli
;
2115 /* Ring 0, ELS / CT buffers */
2116 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], LPFC_BUF_RING0
);
2117 /* Ring 2 - FCP no buffers needed */
2122 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2125 * lpfc_sha_init - Set up initial array of hash table entries
2126 * @HashResultPointer: pointer to an array as hash table.
2128 * This routine sets up the initial values to the array of hash table entries
2132 lpfc_sha_init(uint32_t * HashResultPointer
)
2134 HashResultPointer
[0] = 0x67452301;
2135 HashResultPointer
[1] = 0xEFCDAB89;
2136 HashResultPointer
[2] = 0x98BADCFE;
2137 HashResultPointer
[3] = 0x10325476;
2138 HashResultPointer
[4] = 0xC3D2E1F0;
2142 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
2143 * @HashResultPointer: pointer to an initial/result hash table.
2144 * @HashWorkingPointer: pointer to an working hash table.
2146 * This routine iterates an initial hash table pointed by @HashResultPointer
2147 * with the values from the working hash table pointeed by @HashWorkingPointer.
2148 * The results are putting back to the initial hash table, returned through
2149 * the @HashResultPointer as the result hash table.
2152 lpfc_sha_iterate(uint32_t * HashResultPointer
, uint32_t * HashWorkingPointer
)
2156 uint32_t A
, B
, C
, D
, E
;
2159 HashWorkingPointer
[t
] =
2161 HashWorkingPointer
[t
- 3] ^ HashWorkingPointer
[t
-
2163 HashWorkingPointer
[t
- 14] ^ HashWorkingPointer
[t
- 16]);
2164 } while (++t
<= 79);
2166 A
= HashResultPointer
[0];
2167 B
= HashResultPointer
[1];
2168 C
= HashResultPointer
[2];
2169 D
= HashResultPointer
[3];
2170 E
= HashResultPointer
[4];
2174 TEMP
= ((B
& C
) | ((~B
) & D
)) + 0x5A827999;
2175 } else if (t
< 40) {
2176 TEMP
= (B
^ C
^ D
) + 0x6ED9EBA1;
2177 } else if (t
< 60) {
2178 TEMP
= ((B
& C
) | (B
& D
) | (C
& D
)) + 0x8F1BBCDC;
2180 TEMP
= (B
^ C
^ D
) + 0xCA62C1D6;
2182 TEMP
+= S(5, A
) + E
+ HashWorkingPointer
[t
];
2188 } while (++t
<= 79);
2190 HashResultPointer
[0] += A
;
2191 HashResultPointer
[1] += B
;
2192 HashResultPointer
[2] += C
;
2193 HashResultPointer
[3] += D
;
2194 HashResultPointer
[4] += E
;
2199 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
2200 * @RandomChallenge: pointer to the entry of host challenge random number array.
2201 * @HashWorking: pointer to the entry of the working hash array.
2203 * This routine calculates the working hash array referred by @HashWorking
2204 * from the challenge random numbers associated with the host, referred by
2205 * @RandomChallenge. The result is put into the entry of the working hash
2206 * array and returned by reference through @HashWorking.
2209 lpfc_challenge_key(uint32_t * RandomChallenge
, uint32_t * HashWorking
)
2211 *HashWorking
= (*RandomChallenge
^ *HashWorking
);
2215 * lpfc_hba_init - Perform special handling for LC HBA initialization
2216 * @phba: pointer to lpfc hba data structure.
2217 * @hbainit: pointer to an array of unsigned 32-bit integers.
2219 * This routine performs the special handling for LC HBA initialization.
2222 lpfc_hba_init(struct lpfc_hba
*phba
, uint32_t *hbainit
)
2225 uint32_t *HashWorking
;
2226 uint32_t *pwwnn
= (uint32_t *) phba
->wwnn
;
2228 HashWorking
= kcalloc(80, sizeof(uint32_t), GFP_KERNEL
);
2232 HashWorking
[0] = HashWorking
[78] = *pwwnn
++;
2233 HashWorking
[1] = HashWorking
[79] = *pwwnn
;
2235 for (t
= 0; t
< 7; t
++)
2236 lpfc_challenge_key(phba
->RandomData
+ t
, HashWorking
+ t
);
2238 lpfc_sha_init(hbainit
);
2239 lpfc_sha_iterate(hbainit
, HashWorking
);
2244 * lpfc_cleanup - Performs vport cleanups before deleting a vport
2245 * @vport: pointer to a virtual N_Port data structure.
2247 * This routine performs the necessary cleanups before deleting the @vport.
2248 * It invokes the discovery state machine to perform necessary state
2249 * transitions and to release the ndlps associated with the @vport. Note,
2250 * the physical port is treated as @vport 0.
2253 lpfc_cleanup(struct lpfc_vport
*vport
)
2255 struct lpfc_hba
*phba
= vport
->phba
;
2256 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2259 if (phba
->link_state
> LPFC_LINK_DOWN
)
2260 lpfc_port_link_failure(vport
);
2262 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
2263 if (!NLP_CHK_NODE_ACT(ndlp
)) {
2264 ndlp
= lpfc_enable_node(vport
, ndlp
,
2265 NLP_STE_UNUSED_NODE
);
2268 spin_lock_irq(&phba
->ndlp_lock
);
2269 NLP_SET_FREE_REQ(ndlp
);
2270 spin_unlock_irq(&phba
->ndlp_lock
);
2271 /* Trigger the release of the ndlp memory */
2275 spin_lock_irq(&phba
->ndlp_lock
);
2276 if (NLP_CHK_FREE_REQ(ndlp
)) {
2277 /* The ndlp should not be in memory free mode already */
2278 spin_unlock_irq(&phba
->ndlp_lock
);
2281 /* Indicate request for freeing ndlp memory */
2282 NLP_SET_FREE_REQ(ndlp
);
2283 spin_unlock_irq(&phba
->ndlp_lock
);
2285 if (vport
->port_type
!= LPFC_PHYSICAL_PORT
&&
2286 ndlp
->nlp_DID
== Fabric_DID
) {
2287 /* Just free up ndlp with Fabric_DID for vports */
2292 if (ndlp
->nlp_type
& NLP_FABRIC
)
2293 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2294 NLP_EVT_DEVICE_RECOVERY
);
2296 lpfc_disc_state_machine(vport
, ndlp
, NULL
,
2301 /* At this point, ALL ndlp's should be gone
2302 * because of the previous NLP_EVT_DEVICE_RM.
2303 * Lets wait for this to happen, if needed.
2305 while (!list_empty(&vport
->fc_nodes
)) {
2307 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_DISCOVERY
,
2308 "0233 Nodelist not empty\n");
2309 list_for_each_entry_safe(ndlp
, next_ndlp
,
2310 &vport
->fc_nodes
, nlp_listp
) {
2311 lpfc_printf_vlog(ndlp
->vport
, KERN_ERR
,
2313 "0282 did:x%x ndlp:x%p "
2314 "usgmap:x%x refcnt:%d\n",
2315 ndlp
->nlp_DID
, (void *)ndlp
,
2318 &ndlp
->kref
.refcount
));
2323 /* Wait for any activity on ndlps to settle */
2326 lpfc_cleanup_vports_rrqs(vport
, NULL
);
2330 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2331 * @vport: pointer to a virtual N_Port data structure.
2333 * This routine stops all the timers associated with a @vport. This function
2334 * is invoked before disabling or deleting a @vport. Note that the physical
2335 * port is treated as @vport 0.
2338 lpfc_stop_vport_timers(struct lpfc_vport
*vport
)
2340 del_timer_sync(&vport
->els_tmofunc
);
2341 del_timer_sync(&vport
->fc_fdmitmo
);
2342 del_timer_sync(&vport
->delayed_disc_tmo
);
2343 lpfc_can_disctmo(vport
);
2348 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2349 * @phba: pointer to lpfc hba data structure.
2351 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2352 * caller of this routine should already hold the host lock.
2355 __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2357 /* Clear pending FCF rediscovery wait flag */
2358 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
2360 /* Now, try to stop the timer */
2361 del_timer(&phba
->fcf
.redisc_wait
);
2365 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2366 * @phba: pointer to lpfc hba data structure.
2368 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2369 * checks whether the FCF rediscovery wait timer is pending with the host
2370 * lock held before proceeding with disabling the timer and clearing the
2371 * wait timer pendig flag.
2374 lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba
*phba
)
2376 spin_lock_irq(&phba
->hbalock
);
2377 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
2378 /* FCF rediscovery timer already fired or stopped */
2379 spin_unlock_irq(&phba
->hbalock
);
2382 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2383 /* Clear failover in progress flags */
2384 phba
->fcf
.fcf_flag
&= ~(FCF_DEAD_DISC
| FCF_ACVL_DISC
);
2385 spin_unlock_irq(&phba
->hbalock
);
2389 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2390 * @phba: pointer to lpfc hba data structure.
2392 * This routine stops all the timers associated with a HBA. This function is
2393 * invoked before either putting a HBA offline or unloading the driver.
2396 lpfc_stop_hba_timers(struct lpfc_hba
*phba
)
2398 lpfc_stop_vport_timers(phba
->pport
);
2399 del_timer_sync(&phba
->sli
.mbox_tmo
);
2400 del_timer_sync(&phba
->fabric_block_timer
);
2401 del_timer_sync(&phba
->eratt_poll
);
2402 del_timer_sync(&phba
->hb_tmofunc
);
2403 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2404 del_timer_sync(&phba
->rrq_tmr
);
2405 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
2407 phba
->hb_outstanding
= 0;
2409 switch (phba
->pci_dev_grp
) {
2410 case LPFC_PCI_DEV_LP
:
2411 /* Stop any LightPulse device specific driver timers */
2412 del_timer_sync(&phba
->fcp_poll_timer
);
2414 case LPFC_PCI_DEV_OC
:
2415 /* Stop any OneConnect device sepcific driver timers */
2416 lpfc_sli4_stop_fcf_redisc_wait_timer(phba
);
2419 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2420 "0297 Invalid device group (x%x)\n",
2428 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2429 * @phba: pointer to lpfc hba data structure.
2431 * This routine marks a HBA's management interface as blocked. Once the HBA's
2432 * management interface is marked as blocked, all the user space access to
2433 * the HBA, whether they are from sysfs interface or libdfc interface will
2434 * all be blocked. The HBA is set to block the management interface when the
2435 * driver prepares the HBA interface for online or offline.
2438 lpfc_block_mgmt_io(struct lpfc_hba
* phba
)
2440 unsigned long iflag
;
2441 uint8_t actcmd
= MBX_HEARTBEAT
;
2442 unsigned long timeout
;
2444 timeout
= msecs_to_jiffies(LPFC_MBOX_TMO
* 1000) + jiffies
;
2445 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2446 phba
->sli
.sli_flag
|= LPFC_BLOCK_MGMT_IO
;
2447 if (phba
->sli
.mbox_active
) {
2448 actcmd
= phba
->sli
.mbox_active
->u
.mb
.mbxCommand
;
2449 /* Determine how long we might wait for the active mailbox
2450 * command to be gracefully completed by firmware.
2452 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
,
2453 phba
->sli
.mbox_active
) * 1000) + jiffies
;
2455 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2457 /* Wait for the outstnading mailbox command to complete */
2458 while (phba
->sli
.mbox_active
) {
2459 /* Check active mailbox complete status every 2ms */
2461 if (time_after(jiffies
, timeout
)) {
2462 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2463 "2813 Mgmt IO is Blocked %x "
2464 "- mbox cmd %x still active\n",
2465 phba
->sli
.sli_flag
, actcmd
);
2472 * lpfc_online - Initialize and bring a HBA online
2473 * @phba: pointer to lpfc hba data structure.
2475 * This routine initializes the HBA and brings a HBA online. During this
2476 * process, the management interface is blocked to prevent user space access
2477 * to the HBA interfering with the driver initialization.
2484 lpfc_online(struct lpfc_hba
*phba
)
2486 struct lpfc_vport
*vport
;
2487 struct lpfc_vport
**vports
;
2492 vport
= phba
->pport
;
2494 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
2497 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2498 "0458 Bring Adapter online\n");
2500 lpfc_block_mgmt_io(phba
);
2502 if (!lpfc_sli_queue_setup(phba
)) {
2503 lpfc_unblock_mgmt_io(phba
);
2507 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2508 if (lpfc_sli4_hba_setup(phba
)) { /* Initialize SLI4 HBA */
2509 lpfc_unblock_mgmt_io(phba
);
2513 if (lpfc_sli_hba_setup(phba
)) { /* Initialize SLI2/SLI3 HBA */
2514 lpfc_unblock_mgmt_io(phba
);
2519 vports
= lpfc_create_vport_work_array(phba
);
2521 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2522 struct Scsi_Host
*shost
;
2523 shost
= lpfc_shost_from_vport(vports
[i
]);
2524 spin_lock_irq(shost
->host_lock
);
2525 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
2526 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
2527 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2528 if (phba
->sli_rev
== LPFC_SLI_REV4
)
2529 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
2530 spin_unlock_irq(shost
->host_lock
);
2532 lpfc_destroy_vport_work_array(phba
, vports
);
2534 lpfc_unblock_mgmt_io(phba
);
2539 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
2540 * @phba: pointer to lpfc hba data structure.
2542 * This routine marks a HBA's management interface as not blocked. Once the
2543 * HBA's management interface is marked as not blocked, all the user space
2544 * access to the HBA, whether they are from sysfs interface or libdfc
2545 * interface will be allowed. The HBA is set to block the management interface
2546 * when the driver prepares the HBA interface for online or offline and then
2547 * set to unblock the management interface afterwards.
2550 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
2552 unsigned long iflag
;
2554 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2555 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
2556 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2560 * lpfc_offline_prep - Prepare a HBA to be brought offline
2561 * @phba: pointer to lpfc hba data structure.
2563 * This routine is invoked to prepare a HBA to be brought offline. It performs
2564 * unregistration login to all the nodes on all vports and flushes the mailbox
2565 * queue to make it ready to be brought offline.
2568 lpfc_offline_prep(struct lpfc_hba
* phba
)
2570 struct lpfc_vport
*vport
= phba
->pport
;
2571 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2572 struct lpfc_vport
**vports
;
2573 struct Scsi_Host
*shost
;
2576 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
2579 lpfc_block_mgmt_io(phba
);
2581 lpfc_linkdown(phba
);
2583 /* Issue an unreg_login to all nodes on all vports */
2584 vports
= lpfc_create_vport_work_array(phba
);
2585 if (vports
!= NULL
) {
2586 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2587 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2589 shost
= lpfc_shost_from_vport(vports
[i
]);
2590 spin_lock_irq(shost
->host_lock
);
2591 vports
[i
]->vpi_state
&= ~LPFC_VPI_REGISTERED
;
2592 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2593 vports
[i
]->fc_flag
&= ~FC_VFI_REGISTERED
;
2594 spin_unlock_irq(shost
->host_lock
);
2596 shost
= lpfc_shost_from_vport(vports
[i
]);
2597 list_for_each_entry_safe(ndlp
, next_ndlp
,
2598 &vports
[i
]->fc_nodes
,
2600 if (!NLP_CHK_NODE_ACT(ndlp
))
2602 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
2604 if (ndlp
->nlp_type
& NLP_FABRIC
) {
2605 lpfc_disc_state_machine(vports
[i
], ndlp
,
2606 NULL
, NLP_EVT_DEVICE_RECOVERY
);
2607 lpfc_disc_state_machine(vports
[i
], ndlp
,
2608 NULL
, NLP_EVT_DEVICE_RM
);
2610 spin_lock_irq(shost
->host_lock
);
2611 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
2612 spin_unlock_irq(shost
->host_lock
);
2613 lpfc_unreg_rpi(vports
[i
], ndlp
);
2617 lpfc_destroy_vport_work_array(phba
, vports
);
2619 lpfc_sli_mbox_sys_shutdown(phba
);
2623 * lpfc_offline - Bring a HBA offline
2624 * @phba: pointer to lpfc hba data structure.
2626 * This routine actually brings a HBA offline. It stops all the timers
2627 * associated with the HBA, brings down the SLI layer, and eventually
2628 * marks the HBA as in offline state for the upper layer protocol.
2631 lpfc_offline(struct lpfc_hba
*phba
)
2633 struct Scsi_Host
*shost
;
2634 struct lpfc_vport
**vports
;
2637 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
2640 /* stop port and all timers associated with this hba */
2641 lpfc_stop_port(phba
);
2642 vports
= lpfc_create_vport_work_array(phba
);
2644 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
2645 lpfc_stop_vport_timers(vports
[i
]);
2646 lpfc_destroy_vport_work_array(phba
, vports
);
2647 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2648 "0460 Bring Adapter offline\n");
2649 /* Bring down the SLI Layer and cleanup. The HBA is offline
2651 lpfc_sli_hba_down(phba
);
2652 spin_lock_irq(&phba
->hbalock
);
2654 spin_unlock_irq(&phba
->hbalock
);
2655 vports
= lpfc_create_vport_work_array(phba
);
2657 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2658 shost
= lpfc_shost_from_vport(vports
[i
]);
2659 spin_lock_irq(shost
->host_lock
);
2660 vports
[i
]->work_port_events
= 0;
2661 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
2662 spin_unlock_irq(shost
->host_lock
);
2664 lpfc_destroy_vport_work_array(phba
, vports
);
2668 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
2669 * @phba: pointer to lpfc hba data structure.
2671 * This routine is to free all the SCSI buffers and IOCBs from the driver
2672 * list back to kernel. It is called from lpfc_pci_remove_one to free
2673 * the internal resources before the device is removed from the system.
2676 * 0 - successful (for now, it always returns 0)
2679 lpfc_scsi_free(struct lpfc_hba
*phba
)
2681 struct lpfc_scsi_buf
*sb
, *sb_next
;
2682 struct lpfc_iocbq
*io
, *io_next
;
2684 spin_lock_irq(&phba
->hbalock
);
2685 /* Release all the lpfc_scsi_bufs maintained by this host. */
2686 spin_lock(&phba
->scsi_buf_list_lock
);
2687 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
) {
2688 list_del(&sb
->list
);
2689 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
2692 phba
->total_scsi_bufs
--;
2694 spin_unlock(&phba
->scsi_buf_list_lock
);
2696 /* Release all the lpfc_iocbq entries maintained by this host. */
2697 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
2698 list_del(&io
->list
);
2700 phba
->total_iocbq_bufs
--;
2703 spin_unlock_irq(&phba
->hbalock
);
2708 * lpfc_create_port - Create an FC port
2709 * @phba: pointer to lpfc hba data structure.
2710 * @instance: a unique integer ID to this FC port.
2711 * @dev: pointer to the device data structure.
2713 * This routine creates a FC port for the upper layer protocol. The FC port
2714 * can be created on top of either a physical port or a virtual port provided
2715 * by the HBA. This routine also allocates a SCSI host data structure (shost)
2716 * and associates the FC port created before adding the shost into the SCSI
2720 * @vport - pointer to the virtual N_Port data structure.
2721 * NULL - port create failed.
2724 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
2726 struct lpfc_vport
*vport
;
2727 struct Scsi_Host
*shost
;
2730 if (dev
!= &phba
->pcidev
->dev
)
2731 shost
= scsi_host_alloc(&lpfc_vport_template
,
2732 sizeof(struct lpfc_vport
));
2734 shost
= scsi_host_alloc(&lpfc_template
,
2735 sizeof(struct lpfc_vport
));
2739 vport
= (struct lpfc_vport
*) shost
->hostdata
;
2741 vport
->load_flag
|= FC_LOADING
;
2742 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2743 vport
->fc_rscn_flush
= 0;
2745 lpfc_get_vport_cfgparam(vport
);
2746 shost
->unique_id
= instance
;
2747 shost
->max_id
= LPFC_MAX_TARGET
;
2748 shost
->max_lun
= vport
->cfg_max_luns
;
2749 shost
->this_id
= -1;
2750 shost
->max_cmd_len
= 16;
2751 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2752 shost
->dma_boundary
=
2753 phba
->sli4_hba
.pc_sli4_params
.sge_supp_len
-1;
2754 shost
->sg_tablesize
= phba
->cfg_sg_seg_cnt
;
2758 * Set initial can_queue value since 0 is no longer supported and
2759 * scsi_add_host will fail. This will be adjusted later based on the
2760 * max xri value determined in hba setup.
2762 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
2763 if (dev
!= &phba
->pcidev
->dev
) {
2764 shost
->transportt
= lpfc_vport_transport_template
;
2765 vport
->port_type
= LPFC_NPIV_PORT
;
2767 shost
->transportt
= lpfc_transport_template
;
2768 vport
->port_type
= LPFC_PHYSICAL_PORT
;
2771 /* Initialize all internally managed lists. */
2772 INIT_LIST_HEAD(&vport
->fc_nodes
);
2773 INIT_LIST_HEAD(&vport
->rcv_buffer_list
);
2774 spin_lock_init(&vport
->work_port_lock
);
2776 init_timer(&vport
->fc_disctmo
);
2777 vport
->fc_disctmo
.function
= lpfc_disc_timeout
;
2778 vport
->fc_disctmo
.data
= (unsigned long)vport
;
2780 init_timer(&vport
->fc_fdmitmo
);
2781 vport
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
2782 vport
->fc_fdmitmo
.data
= (unsigned long)vport
;
2784 init_timer(&vport
->els_tmofunc
);
2785 vport
->els_tmofunc
.function
= lpfc_els_timeout
;
2786 vport
->els_tmofunc
.data
= (unsigned long)vport
;
2788 init_timer(&vport
->delayed_disc_tmo
);
2789 vport
->delayed_disc_tmo
.function
= lpfc_delayed_disc_tmo
;
2790 vport
->delayed_disc_tmo
.data
= (unsigned long)vport
;
2792 error
= scsi_add_host_with_dma(shost
, dev
, &phba
->pcidev
->dev
);
2796 spin_lock_irq(&phba
->hbalock
);
2797 list_add_tail(&vport
->listentry
, &phba
->port_list
);
2798 spin_unlock_irq(&phba
->hbalock
);
2802 scsi_host_put(shost
);
2808 * destroy_port - destroy an FC port
2809 * @vport: pointer to an lpfc virtual N_Port data structure.
2811 * This routine destroys a FC port from the upper layer protocol. All the
2812 * resources associated with the port are released.
2815 destroy_port(struct lpfc_vport
*vport
)
2817 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2818 struct lpfc_hba
*phba
= vport
->phba
;
2820 lpfc_debugfs_terminate(vport
);
2821 fc_remove_host(shost
);
2822 scsi_remove_host(shost
);
2824 spin_lock_irq(&phba
->hbalock
);
2825 list_del_init(&vport
->listentry
);
2826 spin_unlock_irq(&phba
->hbalock
);
2828 lpfc_cleanup(vport
);
2833 * lpfc_get_instance - Get a unique integer ID
2835 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
2836 * uses the kernel idr facility to perform the task.
2839 * instance - a unique integer ID allocated as the new instance.
2840 * -1 - lpfc get instance failed.
2843 lpfc_get_instance(void)
2847 /* Assign an unused number */
2848 if (!idr_pre_get(&lpfc_hba_index
, GFP_KERNEL
))
2850 if (idr_get_new(&lpfc_hba_index
, NULL
, &instance
))
2856 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
2857 * @shost: pointer to SCSI host data structure.
2858 * @time: elapsed time of the scan in jiffies.
2860 * This routine is called by the SCSI layer with a SCSI host to determine
2861 * whether the scan host is finished.
2863 * Note: there is no scan_start function as adapter initialization will have
2864 * asynchronously kicked off the link initialization.
2867 * 0 - SCSI host scan is not over yet.
2868 * 1 - SCSI host scan is over.
2870 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
2872 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2873 struct lpfc_hba
*phba
= vport
->phba
;
2876 spin_lock_irq(shost
->host_lock
);
2878 if (vport
->load_flag
& FC_UNLOADING
) {
2882 if (time
>= 30 * HZ
) {
2883 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2884 "0461 Scanning longer than 30 "
2885 "seconds. Continuing initialization\n");
2889 if (time
>= 15 * HZ
&& phba
->link_state
<= LPFC_LINK_DOWN
) {
2890 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2891 "0465 Link down longer than 15 "
2892 "seconds. Continuing initialization\n");
2897 if (vport
->port_state
!= LPFC_VPORT_READY
)
2899 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
2901 if (vport
->fc_map_cnt
== 0 && time
< 2 * HZ
)
2903 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
2909 spin_unlock_irq(shost
->host_lock
);
2914 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
2915 * @shost: pointer to SCSI host data structure.
2917 * This routine initializes a given SCSI host attributes on a FC port. The
2918 * SCSI host can be either on top of a physical port or a virtual port.
2920 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
2922 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2923 struct lpfc_hba
*phba
= vport
->phba
;
2925 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
2928 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
2929 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
2930 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
2932 memset(fc_host_supported_fc4s(shost
), 0,
2933 sizeof(fc_host_supported_fc4s(shost
)));
2934 fc_host_supported_fc4s(shost
)[2] = 1;
2935 fc_host_supported_fc4s(shost
)[7] = 1;
2937 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
2938 sizeof fc_host_symbolic_name(shost
));
2940 fc_host_supported_speeds(shost
) = 0;
2941 if (phba
->lmt
& LMT_16Gb
)
2942 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_16GBIT
;
2943 if (phba
->lmt
& LMT_10Gb
)
2944 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
2945 if (phba
->lmt
& LMT_8Gb
)
2946 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
2947 if (phba
->lmt
& LMT_4Gb
)
2948 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
2949 if (phba
->lmt
& LMT_2Gb
)
2950 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
2951 if (phba
->lmt
& LMT_1Gb
)
2952 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
2954 fc_host_maxframe_size(shost
) =
2955 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
2956 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
2958 fc_host_dev_loss_tmo(shost
) = vport
->cfg_devloss_tmo
;
2960 /* This value is also unchanging */
2961 memset(fc_host_active_fc4s(shost
), 0,
2962 sizeof(fc_host_active_fc4s(shost
)));
2963 fc_host_active_fc4s(shost
)[2] = 1;
2964 fc_host_active_fc4s(shost
)[7] = 1;
2966 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
2967 spin_lock_irq(shost
->host_lock
);
2968 vport
->load_flag
&= ~FC_LOADING
;
2969 spin_unlock_irq(shost
->host_lock
);
2973 * lpfc_stop_port_s3 - Stop SLI3 device port
2974 * @phba: pointer to lpfc hba data structure.
2976 * This routine is invoked to stop an SLI3 device port, it stops the device
2977 * from generating interrupts and stops the device driver's timers for the
2981 lpfc_stop_port_s3(struct lpfc_hba
*phba
)
2983 /* Clear all interrupt enable conditions */
2984 writel(0, phba
->HCregaddr
);
2985 readl(phba
->HCregaddr
); /* flush */
2986 /* Clear all pending interrupts */
2987 writel(0xffffffff, phba
->HAregaddr
);
2988 readl(phba
->HAregaddr
); /* flush */
2990 /* Reset some HBA SLI setup states */
2991 lpfc_stop_hba_timers(phba
);
2992 phba
->pport
->work_port_events
= 0;
2996 * lpfc_stop_port_s4 - Stop SLI4 device port
2997 * @phba: pointer to lpfc hba data structure.
2999 * This routine is invoked to stop an SLI4 device port, it stops the device
3000 * from generating interrupts and stops the device driver's timers for the
3004 lpfc_stop_port_s4(struct lpfc_hba
*phba
)
3006 /* Reset some HBA SLI4 setup states */
3007 lpfc_stop_hba_timers(phba
);
3008 phba
->pport
->work_port_events
= 0;
3009 phba
->sli4_hba
.intr_enable
= 0;
3013 * lpfc_stop_port - Wrapper function for stopping hba port
3014 * @phba: Pointer to HBA context object.
3016 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
3017 * the API jump table function pointer from the lpfc_hba struct.
3020 lpfc_stop_port(struct lpfc_hba
*phba
)
3022 phba
->lpfc_stop_port(phba
);
3026 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
3027 * @phba: Pointer to hba for which this call is being executed.
3029 * This routine starts the timer waiting for the FCF rediscovery to complete.
3032 lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba
*phba
)
3034 unsigned long fcf_redisc_wait_tmo
=
3035 (jiffies
+ msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO
));
3036 /* Start fcf rediscovery wait period timer */
3037 mod_timer(&phba
->fcf
.redisc_wait
, fcf_redisc_wait_tmo
);
3038 spin_lock_irq(&phba
->hbalock
);
3039 /* Allow action to new fcf asynchronous event */
3040 phba
->fcf
.fcf_flag
&= ~(FCF_AVAILABLE
| FCF_SCAN_DONE
);
3041 /* Mark the FCF rediscovery pending state */
3042 phba
->fcf
.fcf_flag
|= FCF_REDISC_PEND
;
3043 spin_unlock_irq(&phba
->hbalock
);
3047 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
3048 * @ptr: Map to lpfc_hba data structure pointer.
3050 * This routine is invoked when waiting for FCF table rediscover has been
3051 * timed out. If new FCF record(s) has (have) been discovered during the
3052 * wait period, a new FCF event shall be added to the FCOE async event
3053 * list, and then worker thread shall be waked up for processing from the
3054 * worker thread context.
3057 lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr
)
3059 struct lpfc_hba
*phba
= (struct lpfc_hba
*)ptr
;
3061 /* Don't send FCF rediscovery event if timer cancelled */
3062 spin_lock_irq(&phba
->hbalock
);
3063 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
3064 spin_unlock_irq(&phba
->hbalock
);
3067 /* Clear FCF rediscovery timer pending flag */
3068 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
3069 /* FCF rediscovery event to worker thread */
3070 phba
->fcf
.fcf_flag
|= FCF_REDISC_EVT
;
3071 spin_unlock_irq(&phba
->hbalock
);
3072 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
3073 "2776 FCF rediscover quiescent timer expired\n");
3074 /* wake up worker thread */
3075 lpfc_worker_wake_up(phba
);
3079 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
3080 * @phba: pointer to lpfc hba data structure.
3081 * @acqe_link: pointer to the async link completion queue entry.
3083 * This routine is to parse the SLI4 link-attention link fault code and
3084 * translate it into the base driver's read link attention mailbox command
3087 * Return: Link-attention status in terms of base driver's coding.
3090 lpfc_sli4_parse_latt_fault(struct lpfc_hba
*phba
,
3091 struct lpfc_acqe_link
*acqe_link
)
3093 uint16_t latt_fault
;
3095 switch (bf_get(lpfc_acqe_link_fault
, acqe_link
)) {
3096 case LPFC_ASYNC_LINK_FAULT_NONE
:
3097 case LPFC_ASYNC_LINK_FAULT_LOCAL
:
3098 case LPFC_ASYNC_LINK_FAULT_REMOTE
:
3102 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3103 "0398 Invalid link fault code: x%x\n",
3104 bf_get(lpfc_acqe_link_fault
, acqe_link
));
3105 latt_fault
= MBXERR_ERROR
;
3112 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
3113 * @phba: pointer to lpfc hba data structure.
3114 * @acqe_link: pointer to the async link completion queue entry.
3116 * This routine is to parse the SLI4 link attention type and translate it
3117 * into the base driver's link attention type coding.
3119 * Return: Link attention type in terms of base driver's coding.
3122 lpfc_sli4_parse_latt_type(struct lpfc_hba
*phba
,
3123 struct lpfc_acqe_link
*acqe_link
)
3127 switch (bf_get(lpfc_acqe_link_status
, acqe_link
)) {
3128 case LPFC_ASYNC_LINK_STATUS_DOWN
:
3129 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN
:
3130 att_type
= LPFC_ATT_LINK_DOWN
;
3132 case LPFC_ASYNC_LINK_STATUS_UP
:
3133 /* Ignore physical link up events - wait for logical link up */
3134 att_type
= LPFC_ATT_RESERVED
;
3136 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP
:
3137 att_type
= LPFC_ATT_LINK_UP
;
3140 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3141 "0399 Invalid link attention type: x%x\n",
3142 bf_get(lpfc_acqe_link_status
, acqe_link
));
3143 att_type
= LPFC_ATT_RESERVED
;
3150 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
3151 * @phba: pointer to lpfc hba data structure.
3152 * @acqe_link: pointer to the async link completion queue entry.
3154 * This routine is to parse the SLI4 link-attention link speed and translate
3155 * it into the base driver's link-attention link speed coding.
3157 * Return: Link-attention link speed in terms of base driver's coding.
3160 lpfc_sli4_parse_latt_link_speed(struct lpfc_hba
*phba
,
3161 struct lpfc_acqe_link
*acqe_link
)
3165 switch (bf_get(lpfc_acqe_link_speed
, acqe_link
)) {
3166 case LPFC_ASYNC_LINK_SPEED_ZERO
:
3167 case LPFC_ASYNC_LINK_SPEED_10MBPS
:
3168 case LPFC_ASYNC_LINK_SPEED_100MBPS
:
3169 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3171 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
3172 link_speed
= LPFC_LINK_SPEED_1GHZ
;
3174 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
3175 link_speed
= LPFC_LINK_SPEED_10GHZ
;
3178 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3179 "0483 Invalid link-attention link speed: x%x\n",
3180 bf_get(lpfc_acqe_link_speed
, acqe_link
));
3181 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3188 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
3189 * @phba: pointer to lpfc hba data structure.
3190 * @acqe_link: pointer to the async link completion queue entry.
3192 * This routine is to handle the SLI4 asynchronous FCoE link event.
3195 lpfc_sli4_async_link_evt(struct lpfc_hba
*phba
,
3196 struct lpfc_acqe_link
*acqe_link
)
3198 struct lpfc_dmabuf
*mp
;
3201 struct lpfc_mbx_read_top
*la
;
3205 att_type
= lpfc_sli4_parse_latt_type(phba
, acqe_link
);
3206 if (att_type
!= LPFC_ATT_LINK_DOWN
&& att_type
!= LPFC_ATT_LINK_UP
)
3208 phba
->fcoe_eventtag
= acqe_link
->event_tag
;
3209 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3211 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3212 "0395 The mboxq allocation failed\n");
3215 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3217 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3218 "0396 The lpfc_dmabuf allocation failed\n");
3221 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3223 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3224 "0397 The mbuf allocation failed\n");
3225 goto out_free_dmabuf
;
3228 /* Cleanup any outstanding ELS commands */
3229 lpfc_els_flush_all_cmd(phba
);
3231 /* Block ELS IOCBs until we have done process link event */
3232 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3234 /* Update link event statistics */
3235 phba
->sli
.slistat
.link_event
++;
3237 /* Create lpfc_handle_latt mailbox command from link ACQE */
3238 lpfc_read_topology(phba
, pmb
, mp
);
3239 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3240 pmb
->vport
= phba
->pport
;
3242 /* Keep the link status for extra SLI4 state machine reference */
3243 phba
->sli4_hba
.link_state
.speed
=
3244 bf_get(lpfc_acqe_link_speed
, acqe_link
);
3245 phba
->sli4_hba
.link_state
.duplex
=
3246 bf_get(lpfc_acqe_link_duplex
, acqe_link
);
3247 phba
->sli4_hba
.link_state
.status
=
3248 bf_get(lpfc_acqe_link_status
, acqe_link
);
3249 phba
->sli4_hba
.link_state
.type
=
3250 bf_get(lpfc_acqe_link_type
, acqe_link
);
3251 phba
->sli4_hba
.link_state
.number
=
3252 bf_get(lpfc_acqe_link_number
, acqe_link
);
3253 phba
->sli4_hba
.link_state
.fault
=
3254 bf_get(lpfc_acqe_link_fault
, acqe_link
);
3255 phba
->sli4_hba
.link_state
.logical_speed
=
3256 bf_get(lpfc_acqe_logical_link_speed
, acqe_link
);
3257 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3258 "2900 Async FC/FCoE Link event - Speed:%dGBit "
3259 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
3260 "Logical speed:%dMbps Fault:%d\n",
3261 phba
->sli4_hba
.link_state
.speed
,
3262 phba
->sli4_hba
.link_state
.topology
,
3263 phba
->sli4_hba
.link_state
.status
,
3264 phba
->sli4_hba
.link_state
.type
,
3265 phba
->sli4_hba
.link_state
.number
,
3266 phba
->sli4_hba
.link_state
.logical_speed
* 10,
3267 phba
->sli4_hba
.link_state
.fault
);
3269 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
3270 * topology info. Note: Optional for non FC-AL ports.
3272 if (!(phba
->hba_flag
& HBA_FCOE_MODE
)) {
3273 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3274 if (rc
== MBX_NOT_FINISHED
)
3275 goto out_free_dmabuf
;
3279 * For FCoE Mode: fill in all the topology information we need and call
3280 * the READ_TOPOLOGY completion routine to continue without actually
3281 * sending the READ_TOPOLOGY mailbox command to the port.
3283 /* Parse and translate status field */
3285 mb
->mbxStatus
= lpfc_sli4_parse_latt_fault(phba
, acqe_link
);
3287 /* Parse and translate link attention fields */
3288 la
= (struct lpfc_mbx_read_top
*) &pmb
->u
.mb
.un
.varReadTop
;
3289 la
->eventTag
= acqe_link
->event_tag
;
3290 bf_set(lpfc_mbx_read_top_att_type
, la
, att_type
);
3291 bf_set(lpfc_mbx_read_top_link_spd
, la
,
3292 lpfc_sli4_parse_latt_link_speed(phba
, acqe_link
));
3294 /* Fake the the following irrelvant fields */
3295 bf_set(lpfc_mbx_read_top_topology
, la
, LPFC_TOPOLOGY_PT_PT
);
3296 bf_set(lpfc_mbx_read_top_alpa_granted
, la
, 0);
3297 bf_set(lpfc_mbx_read_top_il
, la
, 0);
3298 bf_set(lpfc_mbx_read_top_pb
, la
, 0);
3299 bf_set(lpfc_mbx_read_top_fa
, la
, 0);
3300 bf_set(lpfc_mbx_read_top_mm
, la
, 0);
3302 /* Invoke the lpfc_handle_latt mailbox command callback function */
3303 lpfc_mbx_cmpl_read_topology(phba
, pmb
);
3310 mempool_free(pmb
, phba
->mbox_mem_pool
);
3314 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
3315 * @phba: pointer to lpfc hba data structure.
3316 * @acqe_fc: pointer to the async fc completion queue entry.
3318 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
3319 * that the event was received and then issue a read_topology mailbox command so
3320 * that the rest of the driver will treat it the same as SLI3.
3323 lpfc_sli4_async_fc_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_fc_la
*acqe_fc
)
3325 struct lpfc_dmabuf
*mp
;
3329 if (bf_get(lpfc_trailer_type
, acqe_fc
) !=
3330 LPFC_FC_LA_EVENT_TYPE_FC_LINK
) {
3331 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3332 "2895 Non FC link Event detected.(%d)\n",
3333 bf_get(lpfc_trailer_type
, acqe_fc
));
3336 /* Keep the link status for extra SLI4 state machine reference */
3337 phba
->sli4_hba
.link_state
.speed
=
3338 bf_get(lpfc_acqe_fc_la_speed
, acqe_fc
);
3339 phba
->sli4_hba
.link_state
.duplex
= LPFC_ASYNC_LINK_DUPLEX_FULL
;
3340 phba
->sli4_hba
.link_state
.topology
=
3341 bf_get(lpfc_acqe_fc_la_topology
, acqe_fc
);
3342 phba
->sli4_hba
.link_state
.status
=
3343 bf_get(lpfc_acqe_fc_la_att_type
, acqe_fc
);
3344 phba
->sli4_hba
.link_state
.type
=
3345 bf_get(lpfc_acqe_fc_la_port_type
, acqe_fc
);
3346 phba
->sli4_hba
.link_state
.number
=
3347 bf_get(lpfc_acqe_fc_la_port_number
, acqe_fc
);
3348 phba
->sli4_hba
.link_state
.fault
=
3349 bf_get(lpfc_acqe_link_fault
, acqe_fc
);
3350 phba
->sli4_hba
.link_state
.logical_speed
=
3351 bf_get(lpfc_acqe_fc_la_llink_spd
, acqe_fc
);
3352 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3353 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
3354 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
3355 "%dMbps Fault:%d\n",
3356 phba
->sli4_hba
.link_state
.speed
,
3357 phba
->sli4_hba
.link_state
.topology
,
3358 phba
->sli4_hba
.link_state
.status
,
3359 phba
->sli4_hba
.link_state
.type
,
3360 phba
->sli4_hba
.link_state
.number
,
3361 phba
->sli4_hba
.link_state
.logical_speed
* 10,
3362 phba
->sli4_hba
.link_state
.fault
);
3363 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3365 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3366 "2897 The mboxq allocation failed\n");
3369 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3371 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3372 "2898 The lpfc_dmabuf allocation failed\n");
3375 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3377 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3378 "2899 The mbuf allocation failed\n");
3379 goto out_free_dmabuf
;
3382 /* Cleanup any outstanding ELS commands */
3383 lpfc_els_flush_all_cmd(phba
);
3385 /* Block ELS IOCBs until we have done process link event */
3386 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3388 /* Update link event statistics */
3389 phba
->sli
.slistat
.link_event
++;
3391 /* Create lpfc_handle_latt mailbox command from link ACQE */
3392 lpfc_read_topology(phba
, pmb
, mp
);
3393 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3394 pmb
->vport
= phba
->pport
;
3396 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3397 if (rc
== MBX_NOT_FINISHED
)
3398 goto out_free_dmabuf
;
3404 mempool_free(pmb
, phba
->mbox_mem_pool
);
3408 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
3409 * @phba: pointer to lpfc hba data structure.
3410 * @acqe_fc: pointer to the async SLI completion queue entry.
3412 * This routine is to handle the SLI4 asynchronous SLI events.
3415 lpfc_sli4_async_sli_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_sli
*acqe_sli
)
3417 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3418 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
3419 "x%08x SLI Event Type:%d",
3420 acqe_sli
->event_data1
, acqe_sli
->event_data2
,
3421 bf_get(lpfc_trailer_type
, acqe_sli
));
3426 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
3427 * @vport: pointer to vport data structure.
3429 * This routine is to perform Clear Virtual Link (CVL) on a vport in
3430 * response to a CVL event.
3432 * Return the pointer to the ndlp with the vport if successful, otherwise
3435 static struct lpfc_nodelist
*
3436 lpfc_sli4_perform_vport_cvl(struct lpfc_vport
*vport
)
3438 struct lpfc_nodelist
*ndlp
;
3439 struct Scsi_Host
*shost
;
3440 struct lpfc_hba
*phba
;
3447 ndlp
= lpfc_findnode_did(vport
, Fabric_DID
);
3449 /* Cannot find existing Fabric ndlp, so allocate a new one */
3450 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
3453 lpfc_nlp_init(vport
, ndlp
, Fabric_DID
);
3454 /* Set the node type */
3455 ndlp
->nlp_type
|= NLP_FABRIC
;
3456 /* Put ndlp onto node list */
3457 lpfc_enqueue_node(vport
, ndlp
);
3458 } else if (!NLP_CHK_NODE_ACT(ndlp
)) {
3459 /* re-setup ndlp without removing from node list */
3460 ndlp
= lpfc_enable_node(vport
, ndlp
, NLP_STE_UNUSED_NODE
);
3464 if ((phba
->pport
->port_state
< LPFC_FLOGI
) &&
3465 (phba
->pport
->port_state
!= LPFC_VPORT_FAILED
))
3467 /* If virtual link is not yet instantiated ignore CVL */
3468 if ((vport
!= phba
->pport
) && (vport
->port_state
< LPFC_FDISC
)
3469 && (vport
->port_state
!= LPFC_VPORT_FAILED
))
3471 shost
= lpfc_shost_from_vport(vport
);
3474 lpfc_linkdown_port(vport
);
3475 lpfc_cleanup_pending_mbox(vport
);
3476 spin_lock_irq(shost
->host_lock
);
3477 vport
->fc_flag
|= FC_VPORT_CVL_RCVD
;
3478 spin_unlock_irq(shost
->host_lock
);
3484 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
3485 * @vport: pointer to lpfc hba data structure.
3487 * This routine is to perform Clear Virtual Link (CVL) on all vports in
3488 * response to a FCF dead event.
3491 lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba
*phba
)
3493 struct lpfc_vport
**vports
;
3496 vports
= lpfc_create_vport_work_array(phba
);
3498 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
3499 lpfc_sli4_perform_vport_cvl(vports
[i
]);
3500 lpfc_destroy_vport_work_array(phba
, vports
);
3504 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
3505 * @phba: pointer to lpfc hba data structure.
3506 * @acqe_link: pointer to the async fcoe completion queue entry.
3508 * This routine is to handle the SLI4 asynchronous fcoe event.
3511 lpfc_sli4_async_fip_evt(struct lpfc_hba
*phba
,
3512 struct lpfc_acqe_fip
*acqe_fip
)
3514 uint8_t event_type
= bf_get(lpfc_trailer_type
, acqe_fip
);
3516 struct lpfc_vport
*vport
;
3517 struct lpfc_nodelist
*ndlp
;
3518 struct Scsi_Host
*shost
;
3519 int active_vlink_present
;
3520 struct lpfc_vport
**vports
;
3523 phba
->fc_eventTag
= acqe_fip
->event_tag
;
3524 phba
->fcoe_eventtag
= acqe_fip
->event_tag
;
3525 switch (event_type
) {
3526 case LPFC_FIP_EVENT_TYPE_NEW_FCF
:
3527 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD
:
3528 if (event_type
== LPFC_FIP_EVENT_TYPE_NEW_FCF
)
3529 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
3531 "2546 New FCF event, evt_tag:x%x, "
3533 acqe_fip
->event_tag
,
3536 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
|
3538 "2788 FCF param modified event, "
3539 "evt_tag:x%x, index:x%x\n",
3540 acqe_fip
->event_tag
,
3542 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
3544 * During period of FCF discovery, read the FCF
3545 * table record indexed by the event to update
3546 * FCF roundrobin failover eligible FCF bmask.
3548 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
3550 "2779 Read FCF (x%x) for updating "
3551 "roundrobin FCF failover bmask\n",
3553 rc
= lpfc_sli4_read_fcf_rec(phba
, acqe_fip
->index
);
3556 /* If the FCF discovery is in progress, do nothing. */
3557 spin_lock_irq(&phba
->hbalock
);
3558 if (phba
->hba_flag
& FCF_TS_INPROG
) {
3559 spin_unlock_irq(&phba
->hbalock
);
3562 /* If fast FCF failover rescan event is pending, do nothing */
3563 if (phba
->fcf
.fcf_flag
& FCF_REDISC_EVT
) {
3564 spin_unlock_irq(&phba
->hbalock
);
3568 /* If the FCF has been in discovered state, do nothing. */
3569 if (phba
->fcf
.fcf_flag
& FCF_SCAN_DONE
) {
3570 spin_unlock_irq(&phba
->hbalock
);
3573 spin_unlock_irq(&phba
->hbalock
);
3575 /* Otherwise, scan the entire FCF table and re-discover SAN */
3576 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
3577 "2770 Start FCF table scan per async FCF "
3578 "event, evt_tag:x%x, index:x%x\n",
3579 acqe_fip
->event_tag
, acqe_fip
->index
);
3580 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
3581 LPFC_FCOE_FCF_GET_FIRST
);
3583 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
3584 "2547 Issue FCF scan read FCF mailbox "
3585 "command failed (x%x)\n", rc
);
3588 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL
:
3589 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3590 "2548 FCF Table full count 0x%x tag 0x%x\n",
3591 bf_get(lpfc_acqe_fip_fcf_count
, acqe_fip
),
3592 acqe_fip
->event_tag
);
3595 case LPFC_FIP_EVENT_TYPE_FCF_DEAD
:
3596 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
3597 "2549 FCF (x%x) disconnected from network, "
3598 "tag:x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
3600 * If we are in the middle of FCF failover process, clear
3601 * the corresponding FCF bit in the roundrobin bitmap.
3603 spin_lock_irq(&phba
->hbalock
);
3604 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
3605 spin_unlock_irq(&phba
->hbalock
);
3606 /* Update FLOGI FCF failover eligible FCF bmask */
3607 lpfc_sli4_fcf_rr_index_clear(phba
, acqe_fip
->index
);
3610 spin_unlock_irq(&phba
->hbalock
);
3612 /* If the event is not for currently used fcf do nothing */
3613 if (phba
->fcf
.current_rec
.fcf_indx
!= acqe_fip
->index
)
3617 * Otherwise, request the port to rediscover the entire FCF
3618 * table for a fast recovery from case that the current FCF
3619 * is no longer valid as we are not in the middle of FCF
3620 * failover process already.
3622 spin_lock_irq(&phba
->hbalock
);
3623 /* Mark the fast failover process in progress */
3624 phba
->fcf
.fcf_flag
|= FCF_DEAD_DISC
;
3625 spin_unlock_irq(&phba
->hbalock
);
3627 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
3628 "2771 Start FCF fast failover process due to "
3629 "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
3630 "\n", acqe_fip
->event_tag
, acqe_fip
->index
);
3631 rc
= lpfc_sli4_redisc_fcf_table(phba
);
3633 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
3635 "2772 Issue FCF rediscover mabilbox "
3636 "command failed, fail through to FCF "
3638 spin_lock_irq(&phba
->hbalock
);
3639 phba
->fcf
.fcf_flag
&= ~FCF_DEAD_DISC
;
3640 spin_unlock_irq(&phba
->hbalock
);
3642 * Last resort will fail over by treating this
3643 * as a link down to FCF registration.
3645 lpfc_sli4_fcf_dead_failthrough(phba
);
3647 /* Reset FCF roundrobin bmask for new discovery */
3648 lpfc_sli4_clear_fcf_rr_bmask(phba
);
3650 * Handling fast FCF failover to a DEAD FCF event is
3651 * considered equalivant to receiving CVL to all vports.
3653 lpfc_sli4_perform_all_vport_cvl(phba
);
3656 case LPFC_FIP_EVENT_TYPE_CVL
:
3657 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
3658 "2718 Clear Virtual Link Received for VPI 0x%x"
3659 " tag 0x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
3661 vport
= lpfc_find_vport_by_vpid(phba
,
3663 ndlp
= lpfc_sli4_perform_vport_cvl(vport
);
3666 active_vlink_present
= 0;
3668 vports
= lpfc_create_vport_work_array(phba
);
3670 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
;
3672 if ((!(vports
[i
]->fc_flag
&
3673 FC_VPORT_CVL_RCVD
)) &&
3674 (vports
[i
]->port_state
> LPFC_FDISC
)) {
3675 active_vlink_present
= 1;
3679 lpfc_destroy_vport_work_array(phba
, vports
);
3682 if (active_vlink_present
) {
3684 * If there are other active VLinks present,
3685 * re-instantiate the Vlink using FDISC.
3687 mod_timer(&ndlp
->nlp_delayfunc
, jiffies
+ HZ
);
3688 shost
= lpfc_shost_from_vport(vport
);
3689 spin_lock_irq(shost
->host_lock
);
3690 ndlp
->nlp_flag
|= NLP_DELAY_TMO
;
3691 spin_unlock_irq(shost
->host_lock
);
3692 ndlp
->nlp_last_elscmd
= ELS_CMD_FDISC
;
3693 vport
->port_state
= LPFC_FDISC
;
3696 * Otherwise, we request port to rediscover
3697 * the entire FCF table for a fast recovery
3698 * from possible case that the current FCF
3699 * is no longer valid if we are not already
3700 * in the FCF failover process.
3702 spin_lock_irq(&phba
->hbalock
);
3703 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
3704 spin_unlock_irq(&phba
->hbalock
);
3707 /* Mark the fast failover process in progress */
3708 phba
->fcf
.fcf_flag
|= FCF_ACVL_DISC
;
3709 spin_unlock_irq(&phba
->hbalock
);
3710 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
3712 "2773 Start FCF failover per CVL, "
3713 "evt_tag:x%x\n", acqe_fip
->event_tag
);
3714 rc
= lpfc_sli4_redisc_fcf_table(phba
);
3716 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
3718 "2774 Issue FCF rediscover "
3719 "mabilbox command failed, "
3720 "through to CVL event\n");
3721 spin_lock_irq(&phba
->hbalock
);
3722 phba
->fcf
.fcf_flag
&= ~FCF_ACVL_DISC
;
3723 spin_unlock_irq(&phba
->hbalock
);
3725 * Last resort will be re-try on the
3726 * the current registered FCF entry.
3728 lpfc_retry_pport_discovery(phba
);
3731 * Reset FCF roundrobin bmask for new
3734 lpfc_sli4_clear_fcf_rr_bmask(phba
);
3738 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3739 "0288 Unknown FCoE event type 0x%x event tag "
3740 "0x%x\n", event_type
, acqe_fip
->event_tag
);
3746 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
3747 * @phba: pointer to lpfc hba data structure.
3748 * @acqe_link: pointer to the async dcbx completion queue entry.
3750 * This routine is to handle the SLI4 asynchronous dcbx event.
3753 lpfc_sli4_async_dcbx_evt(struct lpfc_hba
*phba
,
3754 struct lpfc_acqe_dcbx
*acqe_dcbx
)
3756 phba
->fc_eventTag
= acqe_dcbx
->event_tag
;
3757 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3758 "0290 The SLI4 DCBX asynchronous event is not "
3763 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
3764 * @phba: pointer to lpfc hba data structure.
3765 * @acqe_link: pointer to the async grp5 completion queue entry.
3767 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
3768 * is an asynchronous notified of a logical link speed change. The Port
3769 * reports the logical link speed in units of 10Mbps.
3772 lpfc_sli4_async_grp5_evt(struct lpfc_hba
*phba
,
3773 struct lpfc_acqe_grp5
*acqe_grp5
)
3775 uint16_t prev_ll_spd
;
3777 phba
->fc_eventTag
= acqe_grp5
->event_tag
;
3778 phba
->fcoe_eventtag
= acqe_grp5
->event_tag
;
3779 prev_ll_spd
= phba
->sli4_hba
.link_state
.logical_speed
;
3780 phba
->sli4_hba
.link_state
.logical_speed
=
3781 (bf_get(lpfc_acqe_grp5_llink_spd
, acqe_grp5
));
3782 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3783 "2789 GRP5 Async Event: Updating logical link speed "
3784 "from %dMbps to %dMbps\n", (prev_ll_spd
* 10),
3785 (phba
->sli4_hba
.link_state
.logical_speed
*10));
3789 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
3790 * @phba: pointer to lpfc hba data structure.
3792 * This routine is invoked by the worker thread to process all the pending
3793 * SLI4 asynchronous events.
3795 void lpfc_sli4_async_event_proc(struct lpfc_hba
*phba
)
3797 struct lpfc_cq_event
*cq_event
;
3799 /* First, declare the async event has been handled */
3800 spin_lock_irq(&phba
->hbalock
);
3801 phba
->hba_flag
&= ~ASYNC_EVENT
;
3802 spin_unlock_irq(&phba
->hbalock
);
3803 /* Now, handle all the async events */
3804 while (!list_empty(&phba
->sli4_hba
.sp_asynce_work_queue
)) {
3805 /* Get the first event from the head of the event queue */
3806 spin_lock_irq(&phba
->hbalock
);
3807 list_remove_head(&phba
->sli4_hba
.sp_asynce_work_queue
,
3808 cq_event
, struct lpfc_cq_event
, list
);
3809 spin_unlock_irq(&phba
->hbalock
);
3810 /* Process the asynchronous event */
3811 switch (bf_get(lpfc_trailer_code
, &cq_event
->cqe
.mcqe_cmpl
)) {
3812 case LPFC_TRAILER_CODE_LINK
:
3813 lpfc_sli4_async_link_evt(phba
,
3814 &cq_event
->cqe
.acqe_link
);
3816 case LPFC_TRAILER_CODE_FCOE
:
3817 lpfc_sli4_async_fip_evt(phba
, &cq_event
->cqe
.acqe_fip
);
3819 case LPFC_TRAILER_CODE_DCBX
:
3820 lpfc_sli4_async_dcbx_evt(phba
,
3821 &cq_event
->cqe
.acqe_dcbx
);
3823 case LPFC_TRAILER_CODE_GRP5
:
3824 lpfc_sli4_async_grp5_evt(phba
,
3825 &cq_event
->cqe
.acqe_grp5
);
3827 case LPFC_TRAILER_CODE_FC
:
3828 lpfc_sli4_async_fc_evt(phba
, &cq_event
->cqe
.acqe_fc
);
3830 case LPFC_TRAILER_CODE_SLI
:
3831 lpfc_sli4_async_sli_evt(phba
, &cq_event
->cqe
.acqe_sli
);
3834 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3835 "1804 Invalid asynchrous event code: "
3836 "x%x\n", bf_get(lpfc_trailer_code
,
3837 &cq_event
->cqe
.mcqe_cmpl
));
3840 /* Free the completion event processed to the free pool */
3841 lpfc_sli4_cq_event_release(phba
, cq_event
);
3846 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
3847 * @phba: pointer to lpfc hba data structure.
3849 * This routine is invoked by the worker thread to process FCF table
3850 * rediscovery pending completion event.
3852 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba
*phba
)
3856 spin_lock_irq(&phba
->hbalock
);
3857 /* Clear FCF rediscovery timeout event */
3858 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_EVT
;
3859 /* Clear driver fast failover FCF record flag */
3860 phba
->fcf
.failover_rec
.flag
= 0;
3861 /* Set state for FCF fast failover */
3862 phba
->fcf
.fcf_flag
|= FCF_REDISC_FOV
;
3863 spin_unlock_irq(&phba
->hbalock
);
3865 /* Scan FCF table from the first entry to re-discover SAN */
3866 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
3867 "2777 Start post-quiescent FCF table scan\n");
3868 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
, LPFC_FCOE_FCF_GET_FIRST
);
3870 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
3871 "2747 Issue FCF scan read FCF mailbox "
3872 "command failed 0x%x\n", rc
);
3876 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
3877 * @phba: pointer to lpfc hba data structure.
3878 * @dev_grp: The HBA PCI-Device group number.
3880 * This routine is invoked to set up the per HBA PCI-Device group function
3881 * API jump table entries.
3883 * Return: 0 if success, otherwise -ENODEV
3886 lpfc_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
3890 /* Set up lpfc PCI-device group */
3891 phba
->pci_dev_grp
= dev_grp
;
3893 /* The LPFC_PCI_DEV_OC uses SLI4 */
3894 if (dev_grp
== LPFC_PCI_DEV_OC
)
3895 phba
->sli_rev
= LPFC_SLI_REV4
;
3897 /* Set up device INIT API function jump table */
3898 rc
= lpfc_init_api_table_setup(phba
, dev_grp
);
3901 /* Set up SCSI API function jump table */
3902 rc
= lpfc_scsi_api_table_setup(phba
, dev_grp
);
3905 /* Set up SLI API function jump table */
3906 rc
= lpfc_sli_api_table_setup(phba
, dev_grp
);
3909 /* Set up MBOX API function jump table */
3910 rc
= lpfc_mbox_api_table_setup(phba
, dev_grp
);
3918 * lpfc_log_intr_mode - Log the active interrupt mode
3919 * @phba: pointer to lpfc hba data structure.
3920 * @intr_mode: active interrupt mode adopted.
3922 * This routine it invoked to log the currently used active interrupt mode
3925 static void lpfc_log_intr_mode(struct lpfc_hba
*phba
, uint32_t intr_mode
)
3927 switch (intr_mode
) {
3929 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3930 "0470 Enable INTx interrupt mode.\n");
3933 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3934 "0481 Enabled MSI interrupt mode.\n");
3937 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3938 "0480 Enabled MSI-X interrupt mode.\n");
3941 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3942 "0482 Illegal interrupt mode.\n");
3949 * lpfc_enable_pci_dev - Enable a generic PCI device.
3950 * @phba: pointer to lpfc hba data structure.
3952 * This routine is invoked to enable the PCI device that is common to all
3957 * other values - error
3960 lpfc_enable_pci_dev(struct lpfc_hba
*phba
)
3962 struct pci_dev
*pdev
;
3965 /* Obtain PCI device reference */
3969 pdev
= phba
->pcidev
;
3970 /* Select PCI BARs */
3971 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
3972 /* Enable PCI device */
3973 if (pci_enable_device_mem(pdev
))
3975 /* Request PCI resource for the device */
3976 if (pci_request_selected_regions(pdev
, bars
, LPFC_DRIVER_NAME
))
3977 goto out_disable_device
;
3978 /* Set up device as PCI master and save state for EEH */
3979 pci_set_master(pdev
);
3980 pci_try_set_mwi(pdev
);
3981 pci_save_state(pdev
);
3983 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
3984 if (pci_find_capability(pdev
, PCI_CAP_ID_EXP
))
3985 pdev
->needs_freset
= 1;
3990 pci_disable_device(pdev
);
3992 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3993 "1401 Failed to enable pci device, bars:x%x\n", bars
);
3998 * lpfc_disable_pci_dev - Disable a generic PCI device.
3999 * @phba: pointer to lpfc hba data structure.
4001 * This routine is invoked to disable the PCI device that is common to all
4005 lpfc_disable_pci_dev(struct lpfc_hba
*phba
)
4007 struct pci_dev
*pdev
;
4010 /* Obtain PCI device reference */
4014 pdev
= phba
->pcidev
;
4015 /* Select PCI BARs */
4016 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
4017 /* Release PCI resource and disable PCI device */
4018 pci_release_selected_regions(pdev
, bars
);
4019 pci_disable_device(pdev
);
4020 /* Null out PCI private reference to driver */
4021 pci_set_drvdata(pdev
, NULL
);
4027 * lpfc_reset_hba - Reset a hba
4028 * @phba: pointer to lpfc hba data structure.
4030 * This routine is invoked to reset a hba device. It brings the HBA
4031 * offline, performs a board restart, and then brings the board back
4032 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
4033 * on outstanding mailbox commands.
4036 lpfc_reset_hba(struct lpfc_hba
*phba
)
4038 /* If resets are disabled then set error state and return. */
4039 if (!phba
->cfg_enable_hba_reset
) {
4040 phba
->link_state
= LPFC_HBA_ERROR
;
4043 lpfc_offline_prep(phba
);
4045 lpfc_sli_brdrestart(phba
);
4047 lpfc_unblock_mgmt_io(phba
);
4051 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
4052 * @phba: pointer to lpfc hba data structure.
4054 * This function enables the PCI SR-IOV virtual functions to a physical
4055 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4056 * enable the number of virtual functions to the physical function. As
4057 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4058 * API call does not considered as an error condition for most of the device.
4061 lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba
*phba
)
4063 struct pci_dev
*pdev
= phba
->pcidev
;
4067 pos
= pci_find_ext_capability(pdev
, PCI_EXT_CAP_ID_SRIOV
);
4071 pci_read_config_word(pdev
, pos
+ PCI_SRIOV_TOTAL_VF
, &nr_virtfn
);
4076 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
4077 * @phba: pointer to lpfc hba data structure.
4078 * @nr_vfn: number of virtual functions to be enabled.
4080 * This function enables the PCI SR-IOV virtual functions to a physical
4081 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4082 * enable the number of virtual functions to the physical function. As
4083 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4084 * API call does not considered as an error condition for most of the device.
4087 lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba
*phba
, int nr_vfn
)
4089 struct pci_dev
*pdev
= phba
->pcidev
;
4090 uint16_t max_nr_vfn
;
4093 max_nr_vfn
= lpfc_sli_sriov_nr_virtfn_get(phba
);
4094 if (nr_vfn
> max_nr_vfn
) {
4095 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4096 "3057 Requested vfs (%d) greater than "
4097 "supported vfs (%d)", nr_vfn
, max_nr_vfn
);
4101 rc
= pci_enable_sriov(pdev
, nr_vfn
);
4103 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4104 "2806 Failed to enable sriov on this device "
4105 "with vfn number nr_vf:%d, rc:%d\n",
4108 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4109 "2807 Successful enable sriov on this device "
4110 "with vfn number nr_vf:%d\n", nr_vfn
);
4115 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
4116 * @phba: pointer to lpfc hba data structure.
4118 * This routine is invoked to set up the driver internal resources specific to
4119 * support the SLI-3 HBA device it attached to.
4123 * other values - error
4126 lpfc_sli_driver_resource_setup(struct lpfc_hba
*phba
)
4128 struct lpfc_sli
*psli
;
4132 * Initialize timers used by driver
4135 /* Heartbeat timer */
4136 init_timer(&phba
->hb_tmofunc
);
4137 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4138 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4141 /* MBOX heartbeat timer */
4142 init_timer(&psli
->mbox_tmo
);
4143 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4144 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4145 /* FCP polling mode timer */
4146 init_timer(&phba
->fcp_poll_timer
);
4147 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
4148 phba
->fcp_poll_timer
.data
= (unsigned long) phba
;
4149 /* Fabric block timer */
4150 init_timer(&phba
->fabric_block_timer
);
4151 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4152 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4153 /* EA polling mode timer */
4154 init_timer(&phba
->eratt_poll
);
4155 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4156 phba
->eratt_poll
.data
= (unsigned long) phba
;
4158 /* Host attention work mask setup */
4159 phba
->work_ha_mask
= (HA_ERATT
| HA_MBATT
| HA_LATT
);
4160 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
4162 /* Get all the module params for configuring this host */
4163 lpfc_get_cfgparam(phba
);
4164 if (phba
->pcidev
->device
== PCI_DEVICE_ID_HORNET
) {
4165 phba
->menlo_flag
|= HBA_MENLO_SUPPORT
;
4166 /* check for menlo minimum sg count */
4167 if (phba
->cfg_sg_seg_cnt
< LPFC_DEFAULT_MENLO_SG_SEG_CNT
)
4168 phba
->cfg_sg_seg_cnt
= LPFC_DEFAULT_MENLO_SG_SEG_CNT
;
4172 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4173 * used to create the sg_dma_buf_pool must be dynamically calculated.
4174 * 2 segments are added since the IOCB needs a command and response bde.
4176 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
4177 sizeof(struct fcp_rsp
) +
4178 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct ulp_bde64
));
4180 if (phba
->cfg_enable_bg
) {
4181 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SEG_CNT
;
4182 phba
->cfg_sg_dma_buf_size
+=
4183 phba
->cfg_prot_sg_seg_cnt
* sizeof(struct ulp_bde64
);
4186 /* Also reinitialize the host templates with new values. */
4187 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4188 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4190 phba
->max_vpi
= LPFC_MAX_VPI
;
4191 /* This will be set to correct value after config_port mbox */
4192 phba
->max_vports
= 0;
4195 * Initialize the SLI Layer to run with lpfc HBAs.
4197 lpfc_sli_setup(phba
);
4198 lpfc_sli_queue_setup(phba
);
4200 /* Allocate device driver memory */
4201 if (lpfc_mem_alloc(phba
, BPL_ALIGN_SZ
))
4205 * Enable sr-iov virtual functions if supported and configured
4206 * through the module parameter.
4208 if (phba
->cfg_sriov_nr_virtfn
> 0) {
4209 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
4210 phba
->cfg_sriov_nr_virtfn
);
4212 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4213 "2808 Requested number of SR-IOV "
4214 "virtual functions (%d) is not "
4216 phba
->cfg_sriov_nr_virtfn
);
4217 phba
->cfg_sriov_nr_virtfn
= 0;
4225 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
4226 * @phba: pointer to lpfc hba data structure.
4228 * This routine is invoked to unset the driver internal resources set up
4229 * specific for supporting the SLI-3 HBA device it attached to.
4232 lpfc_sli_driver_resource_unset(struct lpfc_hba
*phba
)
4234 /* Free device driver memory allocated */
4235 lpfc_mem_free_all(phba
);
4241 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
4242 * @phba: pointer to lpfc hba data structure.
4244 * This routine is invoked to set up the driver internal resources specific to
4245 * support the SLI-4 HBA device it attached to.
4249 * other values - error
4252 lpfc_sli4_driver_resource_setup(struct lpfc_hba
*phba
)
4254 struct lpfc_sli
*psli
;
4255 LPFC_MBOXQ_t
*mboxq
;
4256 int rc
, i
, hbq_count
, buf_size
, dma_buf_size
, max_buf_size
;
4257 uint8_t pn_page
[LPFC_MAX_SUPPORTED_PAGES
] = {0};
4258 struct lpfc_mqe
*mqe
;
4259 int longs
, sli_family
;
4261 /* Before proceed, wait for POST done and device ready */
4262 rc
= lpfc_sli4_post_status_check(phba
);
4267 * Initialize timers used by driver
4270 /* Heartbeat timer */
4271 init_timer(&phba
->hb_tmofunc
);
4272 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4273 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4274 init_timer(&phba
->rrq_tmr
);
4275 phba
->rrq_tmr
.function
= lpfc_rrq_timeout
;
4276 phba
->rrq_tmr
.data
= (unsigned long)phba
;
4279 /* MBOX heartbeat timer */
4280 init_timer(&psli
->mbox_tmo
);
4281 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4282 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4283 /* Fabric block timer */
4284 init_timer(&phba
->fabric_block_timer
);
4285 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4286 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4287 /* EA polling mode timer */
4288 init_timer(&phba
->eratt_poll
);
4289 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4290 phba
->eratt_poll
.data
= (unsigned long) phba
;
4291 /* FCF rediscover timer */
4292 init_timer(&phba
->fcf
.redisc_wait
);
4293 phba
->fcf
.redisc_wait
.function
= lpfc_sli4_fcf_redisc_wait_tmo
;
4294 phba
->fcf
.redisc_wait
.data
= (unsigned long)phba
;
4297 * Control structure for handling external multi-buffer mailbox
4298 * command pass-through.
4300 memset((uint8_t *)&phba
->mbox_ext_buf_ctx
, 0,
4301 sizeof(struct lpfc_mbox_ext_buf_ctx
));
4302 INIT_LIST_HEAD(&phba
->mbox_ext_buf_ctx
.ext_dmabuf_list
);
4305 * We need to do a READ_CONFIG mailbox command here before
4306 * calling lpfc_get_cfgparam. For VFs this will report the
4307 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
4308 * All of the resources allocated
4309 * for this Port are tied to these values.
4311 /* Get all the module params for configuring this host */
4312 lpfc_get_cfgparam(phba
);
4313 phba
->max_vpi
= LPFC_MAX_VPI
;
4314 /* This will be set to correct value after the read_config mbox */
4315 phba
->max_vports
= 0;
4317 /* Program the default value of vlan_id and fc_map */
4318 phba
->valid_vlan
= 0;
4319 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
4320 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
4321 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
4324 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4325 * used to create the sg_dma_buf_pool must be dynamically calculated.
4326 * 2 segments are added since the IOCB needs a command and response bde.
4327 * To insure that the scsi sgl does not cross a 4k page boundary only
4328 * sgl sizes of must be a power of 2.
4330 buf_size
= (sizeof(struct fcp_cmnd
) + sizeof(struct fcp_rsp
) +
4331 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct sli4_sge
)));
4333 sli_family
= bf_get(lpfc_sli_intf_sli_family
, &phba
->sli4_hba
.sli_intf
);
4334 max_buf_size
= LPFC_SLI4_MAX_BUF_SIZE
;
4335 switch (sli_family
) {
4336 case LPFC_SLI_INTF_FAMILY_BE2
:
4337 case LPFC_SLI_INTF_FAMILY_BE3
:
4338 /* There is a single hint for BE - 2 pages per BPL. */
4339 if (bf_get(lpfc_sli_intf_sli_hint1
, &phba
->sli4_hba
.sli_intf
) ==
4340 LPFC_SLI_INTF_SLI_HINT1_1
)
4341 max_buf_size
= LPFC_SLI4_FL1_MAX_BUF_SIZE
;
4343 case LPFC_SLI_INTF_FAMILY_LNCR_A0
:
4344 case LPFC_SLI_INTF_FAMILY_LNCR_B0
:
4348 for (dma_buf_size
= LPFC_SLI4_MIN_BUF_SIZE
;
4349 dma_buf_size
< max_buf_size
&& buf_size
> dma_buf_size
;
4350 dma_buf_size
= dma_buf_size
<< 1)
4352 if (dma_buf_size
== max_buf_size
)
4353 phba
->cfg_sg_seg_cnt
= (dma_buf_size
-
4354 sizeof(struct fcp_cmnd
) - sizeof(struct fcp_rsp
) -
4355 (2 * sizeof(struct sli4_sge
))) /
4356 sizeof(struct sli4_sge
);
4357 phba
->cfg_sg_dma_buf_size
= dma_buf_size
;
4359 /* Initialize buffer queue management fields */
4360 hbq_count
= lpfc_sli_hbq_count();
4361 for (i
= 0; i
< hbq_count
; ++i
)
4362 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
4363 INIT_LIST_HEAD(&phba
->rb_pend_list
);
4364 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_sli4_rb_alloc
;
4365 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_sli4_rb_free
;
4368 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
4370 /* Initialize the Abort scsi buffer list used by driver */
4371 spin_lock_init(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
4372 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
4373 /* This abort list used by worker thread */
4374 spin_lock_init(&phba
->sli4_hba
.abts_sgl_list_lock
);
4377 * Initialize driver internal slow-path work queues
4380 /* Driver internel slow-path CQ Event pool */
4381 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_cqe_event_pool
);
4382 /* Response IOCB work queue list */
4383 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_queue_event
);
4384 /* Asynchronous event CQ Event work queue list */
4385 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_asynce_work_queue
);
4386 /* Fast-path XRI aborted CQ Event work queue list */
4387 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
4388 /* Slow-path XRI aborted CQ Event work queue list */
4389 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
4390 /* Receive queue CQ Event work queue list */
4391 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_unsol_work_queue
);
4393 /* Initialize extent block lists. */
4394 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_blk_list
);
4395 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_xri_blk_list
);
4396 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_vfi_blk_list
);
4397 INIT_LIST_HEAD(&phba
->lpfc_vpi_blk_list
);
4399 /* Initialize the driver internal SLI layer lists. */
4400 lpfc_sli_setup(phba
);
4401 lpfc_sli_queue_setup(phba
);
4403 /* Allocate device driver memory */
4404 rc
= lpfc_mem_alloc(phba
, SGL_ALIGN_SZ
);
4408 /* IF Type 2 ports get initialized now. */
4409 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
4410 LPFC_SLI_INTF_IF_TYPE_2
) {
4411 rc
= lpfc_pci_function_reset(phba
);
4416 /* Create the bootstrap mailbox command */
4417 rc
= lpfc_create_bootstrap_mbox(phba
);
4421 /* Set up the host's endian order with the device. */
4422 rc
= lpfc_setup_endian_order(phba
);
4424 goto out_free_bsmbx
;
4426 /* Set up the hba's configuration parameters. */
4427 rc
= lpfc_sli4_read_config(phba
);
4429 goto out_free_bsmbx
;
4431 /* IF Type 0 ports get initialized now. */
4432 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
4433 LPFC_SLI_INTF_IF_TYPE_0
) {
4434 rc
= lpfc_pci_function_reset(phba
);
4436 goto out_free_bsmbx
;
4439 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
4443 goto out_free_bsmbx
;
4446 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
4447 lpfc_supported_pages(mboxq
);
4448 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
4450 mqe
= &mboxq
->u
.mqe
;
4451 memcpy(&pn_page
[0], ((uint8_t *)&mqe
->un
.supp_pages
.word3
),
4452 LPFC_MAX_SUPPORTED_PAGES
);
4453 for (i
= 0; i
< LPFC_MAX_SUPPORTED_PAGES
; i
++) {
4454 switch (pn_page
[i
]) {
4455 case LPFC_SLI4_PARAMETERS
:
4456 phba
->sli4_hba
.pc_sli4_params
.supported
= 1;
4462 /* Read the port's SLI4 Parameters capabilities if supported. */
4463 if (phba
->sli4_hba
.pc_sli4_params
.supported
)
4464 rc
= lpfc_pc_sli4_params_get(phba
, mboxq
);
4466 mempool_free(mboxq
, phba
->mbox_mem_pool
);
4468 goto out_free_bsmbx
;
4472 * Get sli4 parameters that override parameters from Port capabilities.
4473 * If this call fails, it isn't critical unless the SLI4 parameters come
4476 rc
= lpfc_get_sli4_parameters(phba
, mboxq
);
4478 if (phba
->sli4_hba
.extents_in_use
&&
4479 phba
->sli4_hba
.rpi_hdrs_in_use
) {
4480 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4481 "2999 Unsupported SLI4 Parameters "
4482 "Extents and RPI headers enabled.\n");
4483 goto out_free_bsmbx
;
4486 mempool_free(mboxq
, phba
->mbox_mem_pool
);
4487 /* Create all the SLI4 queues */
4488 rc
= lpfc_sli4_queue_create(phba
);
4490 goto out_free_bsmbx
;
4492 /* Create driver internal CQE event pool */
4493 rc
= lpfc_sli4_cq_event_pool_create(phba
);
4495 goto out_destroy_queue
;
4497 /* Initialize and populate the iocb list per host */
4498 rc
= lpfc_init_sgl_list(phba
);
4500 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4501 "1400 Failed to initialize sgl list.\n");
4502 goto out_destroy_cq_event_pool
;
4504 rc
= lpfc_init_active_sgl_array(phba
);
4506 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4507 "1430 Failed to initialize sgl list.\n");
4508 goto out_free_sgl_list
;
4510 rc
= lpfc_sli4_init_rpi_hdrs(phba
);
4512 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4513 "1432 Failed to initialize rpi headers.\n");
4514 goto out_free_active_sgl
;
4517 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
4518 longs
= (LPFC_SLI4_FCF_TBL_INDX_MAX
+ BITS_PER_LONG
- 1)/BITS_PER_LONG
;
4519 phba
->fcf
.fcf_rr_bmask
= kzalloc(longs
* sizeof(unsigned long),
4521 if (!phba
->fcf
.fcf_rr_bmask
) {
4522 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4523 "2759 Failed allocate memory for FCF round "
4524 "robin failover bmask\n");
4526 goto out_remove_rpi_hdrs
;
4529 phba
->sli4_hba
.fcp_eq_hdl
= kzalloc((sizeof(struct lpfc_fcp_eq_hdl
) *
4530 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
4531 if (!phba
->sli4_hba
.fcp_eq_hdl
) {
4532 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4533 "2572 Failed allocate memory for fast-path "
4534 "per-EQ handle array\n");
4536 goto out_free_fcf_rr_bmask
;
4539 phba
->sli4_hba
.msix_entries
= kzalloc((sizeof(struct msix_entry
) *
4540 phba
->sli4_hba
.cfg_eqn
), GFP_KERNEL
);
4541 if (!phba
->sli4_hba
.msix_entries
) {
4542 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4543 "2573 Failed allocate memory for msi-x "
4544 "interrupt vector entries\n");
4546 goto out_free_fcp_eq_hdl
;
4550 * Enable sr-iov virtual functions if supported and configured
4551 * through the module parameter.
4553 if (phba
->cfg_sriov_nr_virtfn
> 0) {
4554 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
4555 phba
->cfg_sriov_nr_virtfn
);
4557 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4558 "3020 Requested number of SR-IOV "
4559 "virtual functions (%d) is not "
4561 phba
->cfg_sriov_nr_virtfn
);
4562 phba
->cfg_sriov_nr_virtfn
= 0;
4568 out_free_fcp_eq_hdl
:
4569 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
4570 out_free_fcf_rr_bmask
:
4571 kfree(phba
->fcf
.fcf_rr_bmask
);
4572 out_remove_rpi_hdrs
:
4573 lpfc_sli4_remove_rpi_hdrs(phba
);
4574 out_free_active_sgl
:
4575 lpfc_free_active_sgl(phba
);
4577 lpfc_free_sgl_list(phba
);
4578 out_destroy_cq_event_pool
:
4579 lpfc_sli4_cq_event_pool_destroy(phba
);
4581 lpfc_sli4_queue_destroy(phba
);
4583 lpfc_destroy_bootstrap_mbox(phba
);
4585 lpfc_mem_free(phba
);
4590 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
4591 * @phba: pointer to lpfc hba data structure.
4593 * This routine is invoked to unset the driver internal resources set up
4594 * specific for supporting the SLI-4 HBA device it attached to.
4597 lpfc_sli4_driver_resource_unset(struct lpfc_hba
*phba
)
4599 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
4601 /* Free memory allocated for msi-x interrupt vector entries */
4602 kfree(phba
->sli4_hba
.msix_entries
);
4604 /* Free memory allocated for fast-path work queue handles */
4605 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
4607 /* Free the allocated rpi headers. */
4608 lpfc_sli4_remove_rpi_hdrs(phba
);
4609 lpfc_sli4_remove_rpis(phba
);
4611 /* Free eligible FCF index bmask */
4612 kfree(phba
->fcf
.fcf_rr_bmask
);
4614 /* Free the ELS sgl list */
4615 lpfc_free_active_sgl(phba
);
4616 lpfc_free_sgl_list(phba
);
4618 /* Free the SCSI sgl management array */
4619 kfree(phba
->sli4_hba
.lpfc_scsi_psb_array
);
4621 /* Free the SLI4 queues */
4622 lpfc_sli4_queue_destroy(phba
);
4624 /* Free the completion queue EQ event pool */
4625 lpfc_sli4_cq_event_release_all(phba
);
4626 lpfc_sli4_cq_event_pool_destroy(phba
);
4628 /* Release resource identifiers. */
4629 lpfc_sli4_dealloc_resource_identifiers(phba
);
4631 /* Free the bsmbx region. */
4632 lpfc_destroy_bootstrap_mbox(phba
);
4634 /* Free the SLI Layer memory with SLI4 HBAs */
4635 lpfc_mem_free_all(phba
);
4637 /* Free the current connect table */
4638 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
4639 &phba
->fcf_conn_rec_list
, list
) {
4640 list_del_init(&conn_entry
->list
);
4648 * lpfc_init_api_table_setup - Set up init api function jump table
4649 * @phba: The hba struct for which this call is being executed.
4650 * @dev_grp: The HBA PCI-Device group number.
4652 * This routine sets up the device INIT interface API function jump table
4655 * Returns: 0 - success, -ENODEV - failure.
4658 lpfc_init_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
4660 phba
->lpfc_hba_init_link
= lpfc_hba_init_link
;
4661 phba
->lpfc_hba_down_link
= lpfc_hba_down_link
;
4662 phba
->lpfc_selective_reset
= lpfc_selective_reset
;
4664 case LPFC_PCI_DEV_LP
:
4665 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s3
;
4666 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s3
;
4667 phba
->lpfc_stop_port
= lpfc_stop_port_s3
;
4669 case LPFC_PCI_DEV_OC
:
4670 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s4
;
4671 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s4
;
4672 phba
->lpfc_stop_port
= lpfc_stop_port_s4
;
4675 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4676 "1431 Invalid HBA PCI-device group: 0x%x\n",
4685 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
4686 * @phba: pointer to lpfc hba data structure.
4688 * This routine is invoked to set up the driver internal resources before the
4689 * device specific resource setup to support the HBA device it attached to.
4693 * other values - error
4696 lpfc_setup_driver_resource_phase1(struct lpfc_hba
*phba
)
4699 * Driver resources common to all SLI revisions
4701 atomic_set(&phba
->fast_event_count
, 0);
4702 spin_lock_init(&phba
->hbalock
);
4704 /* Initialize ndlp management spinlock */
4705 spin_lock_init(&phba
->ndlp_lock
);
4707 INIT_LIST_HEAD(&phba
->port_list
);
4708 INIT_LIST_HEAD(&phba
->work_list
);
4709 init_waitqueue_head(&phba
->wait_4_mlo_m_q
);
4711 /* Initialize the wait queue head for the kernel thread */
4712 init_waitqueue_head(&phba
->work_waitq
);
4714 /* Initialize the scsi buffer list used by driver for scsi IO */
4715 spin_lock_init(&phba
->scsi_buf_list_lock
);
4716 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list
);
4718 /* Initialize the fabric iocb list */
4719 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
4721 /* Initialize list to save ELS buffers */
4722 INIT_LIST_HEAD(&phba
->elsbuf
);
4724 /* Initialize FCF connection rec list */
4725 INIT_LIST_HEAD(&phba
->fcf_conn_rec_list
);
4731 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
4732 * @phba: pointer to lpfc hba data structure.
4734 * This routine is invoked to set up the driver internal resources after the
4735 * device specific resource setup to support the HBA device it attached to.
4739 * other values - error
4742 lpfc_setup_driver_resource_phase2(struct lpfc_hba
*phba
)
4746 /* Startup the kernel thread for this host adapter. */
4747 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
4748 "lpfc_worker_%d", phba
->brd_no
);
4749 if (IS_ERR(phba
->worker_thread
)) {
4750 error
= PTR_ERR(phba
->worker_thread
);
4758 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
4759 * @phba: pointer to lpfc hba data structure.
4761 * This routine is invoked to unset the driver internal resources set up after
4762 * the device specific resource setup for supporting the HBA device it
4766 lpfc_unset_driver_resource_phase2(struct lpfc_hba
*phba
)
4768 /* Stop kernel worker thread */
4769 kthread_stop(phba
->worker_thread
);
4773 * lpfc_free_iocb_list - Free iocb list.
4774 * @phba: pointer to lpfc hba data structure.
4776 * This routine is invoked to free the driver's IOCB list and memory.
4779 lpfc_free_iocb_list(struct lpfc_hba
*phba
)
4781 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
4783 spin_lock_irq(&phba
->hbalock
);
4784 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
4785 &phba
->lpfc_iocb_list
, list
) {
4786 list_del(&iocbq_entry
->list
);
4788 phba
->total_iocbq_bufs
--;
4790 spin_unlock_irq(&phba
->hbalock
);
4796 * lpfc_init_iocb_list - Allocate and initialize iocb list.
4797 * @phba: pointer to lpfc hba data structure.
4799 * This routine is invoked to allocate and initizlize the driver's IOCB
4800 * list and set up the IOCB tag array accordingly.
4804 * other values - error
4807 lpfc_init_iocb_list(struct lpfc_hba
*phba
, int iocb_count
)
4809 struct lpfc_iocbq
*iocbq_entry
= NULL
;
4813 /* Initialize and populate the iocb list per host. */
4814 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
4815 for (i
= 0; i
< iocb_count
; i
++) {
4816 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
4817 if (iocbq_entry
== NULL
) {
4818 printk(KERN_ERR
"%s: only allocated %d iocbs of "
4819 "expected %d count. Unloading driver.\n",
4820 __func__
, i
, LPFC_IOCB_LIST_CNT
);
4821 goto out_free_iocbq
;
4824 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
4827 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
4828 "Unloading driver.\n", __func__
);
4829 goto out_free_iocbq
;
4831 iocbq_entry
->sli4_lxritag
= NO_XRI
;
4832 iocbq_entry
->sli4_xritag
= NO_XRI
;
4834 spin_lock_irq(&phba
->hbalock
);
4835 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
4836 phba
->total_iocbq_bufs
++;
4837 spin_unlock_irq(&phba
->hbalock
);
4843 lpfc_free_iocb_list(phba
);
4849 * lpfc_free_sgl_list - Free sgl list.
4850 * @phba: pointer to lpfc hba data structure.
4852 * This routine is invoked to free the driver's sgl list and memory.
4855 lpfc_free_sgl_list(struct lpfc_hba
*phba
)
4857 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
4858 LIST_HEAD(sglq_list
);
4860 spin_lock_irq(&phba
->hbalock
);
4861 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &sglq_list
);
4862 spin_unlock_irq(&phba
->hbalock
);
4864 list_for_each_entry_safe(sglq_entry
, sglq_next
,
4866 list_del(&sglq_entry
->list
);
4867 lpfc_mbuf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
4869 phba
->sli4_hba
.total_sglq_bufs
--;
4871 kfree(phba
->sli4_hba
.lpfc_els_sgl_array
);
4875 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
4876 * @phba: pointer to lpfc hba data structure.
4878 * This routine is invoked to allocate the driver's active sgl memory.
4879 * This array will hold the sglq_entry's for active IOs.
4882 lpfc_init_active_sgl_array(struct lpfc_hba
*phba
)
4885 size
= sizeof(struct lpfc_sglq
*);
4886 size
*= phba
->sli4_hba
.max_cfg_param
.max_xri
;
4888 phba
->sli4_hba
.lpfc_sglq_active_list
=
4889 kzalloc(size
, GFP_KERNEL
);
4890 if (!phba
->sli4_hba
.lpfc_sglq_active_list
)
4896 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
4897 * @phba: pointer to lpfc hba data structure.
4899 * This routine is invoked to walk through the array of active sglq entries
4900 * and free all of the resources.
4901 * This is just a place holder for now.
4904 lpfc_free_active_sgl(struct lpfc_hba
*phba
)
4906 kfree(phba
->sli4_hba
.lpfc_sglq_active_list
);
4910 * lpfc_init_sgl_list - Allocate and initialize sgl list.
4911 * @phba: pointer to lpfc hba data structure.
4913 * This routine is invoked to allocate and initizlize the driver's sgl
4914 * list and set up the sgl xritag tag array accordingly.
4918 * other values - error
4921 lpfc_init_sgl_list(struct lpfc_hba
*phba
)
4923 struct lpfc_sglq
*sglq_entry
= NULL
;
4927 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
4928 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4929 "2400 ELS XRI count %d.\n",
4931 /* Initialize and populate the sglq list per host/VF. */
4932 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_sgl_list
);
4933 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
4935 /* Sanity check on XRI management */
4936 if (phba
->sli4_hba
.max_cfg_param
.max_xri
<= els_xri_cnt
) {
4937 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4938 "2562 No room left for SCSI XRI allocation: "
4939 "max_xri=%d, els_xri=%d\n",
4940 phba
->sli4_hba
.max_cfg_param
.max_xri
,
4945 /* Allocate memory for the ELS XRI management array */
4946 phba
->sli4_hba
.lpfc_els_sgl_array
=
4947 kzalloc((sizeof(struct lpfc_sglq
*) * els_xri_cnt
),
4950 if (!phba
->sli4_hba
.lpfc_els_sgl_array
) {
4951 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4952 "2401 Failed to allocate memory for ELS "
4953 "XRI management array of size %d.\n",
4958 /* Keep the SCSI XRI into the XRI management array */
4959 phba
->sli4_hba
.scsi_xri_max
=
4960 phba
->sli4_hba
.max_cfg_param
.max_xri
- els_xri_cnt
;
4961 phba
->sli4_hba
.scsi_xri_cnt
= 0;
4962 phba
->sli4_hba
.lpfc_scsi_psb_array
=
4963 kzalloc((sizeof(struct lpfc_scsi_buf
*) *
4964 phba
->sli4_hba
.scsi_xri_max
), GFP_KERNEL
);
4966 if (!phba
->sli4_hba
.lpfc_scsi_psb_array
) {
4967 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4968 "2563 Failed to allocate memory for SCSI "
4969 "XRI management array of size %d.\n",
4970 phba
->sli4_hba
.scsi_xri_max
);
4971 kfree(phba
->sli4_hba
.lpfc_els_sgl_array
);
4975 for (i
= 0; i
< els_xri_cnt
; i
++) {
4976 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
), GFP_KERNEL
);
4977 if (sglq_entry
== NULL
) {
4978 printk(KERN_ERR
"%s: only allocated %d sgls of "
4979 "expected %d count. Unloading driver.\n",
4980 __func__
, i
, els_xri_cnt
);
4984 sglq_entry
->buff_type
= GEN_BUFF_TYPE
;
4985 sglq_entry
->virt
= lpfc_mbuf_alloc(phba
, 0, &sglq_entry
->phys
);
4986 if (sglq_entry
->virt
== NULL
) {
4988 printk(KERN_ERR
"%s: failed to allocate mbuf.\n"
4989 "Unloading driver.\n", __func__
);
4992 sglq_entry
->sgl
= sglq_entry
->virt
;
4993 memset(sglq_entry
->sgl
, 0, LPFC_BPL_SIZE
);
4995 /* The list order is used by later block SGL registraton */
4996 spin_lock_irq(&phba
->hbalock
);
4997 sglq_entry
->state
= SGL_FREED
;
4998 list_add_tail(&sglq_entry
->list
, &phba
->sli4_hba
.lpfc_sgl_list
);
4999 phba
->sli4_hba
.lpfc_els_sgl_array
[i
] = sglq_entry
;
5000 phba
->sli4_hba
.total_sglq_bufs
++;
5001 spin_unlock_irq(&phba
->hbalock
);
5006 kfree(phba
->sli4_hba
.lpfc_scsi_psb_array
);
5007 lpfc_free_sgl_list(phba
);
5012 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
5013 * @phba: pointer to lpfc hba data structure.
5015 * This routine is invoked to post rpi header templates to the
5016 * port for those SLI4 ports that do not support extents. This routine
5017 * posts a PAGE_SIZE memory region to the port to hold up to
5018 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
5019 * and should be called only when interrupts are disabled.
5023 * -ERROR - otherwise.
5026 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*phba
)
5029 struct lpfc_rpi_hdr
*rpi_hdr
;
5031 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5033 * If the SLI4 port supports extents, posting the rpi header isn't
5034 * required. Set the expected maximum count and let the actual value
5035 * get set when extents are fully allocated.
5037 if (!phba
->sli4_hba
.rpi_hdrs_in_use
) {
5038 phba
->sli4_hba
.next_rpi
= phba
->sli4_hba
.max_cfg_param
.max_rpi
;
5041 if (phba
->sli4_hba
.extents_in_use
)
5044 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
5046 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5047 "0391 Error during rpi post operation\n");
5048 lpfc_sli4_remove_rpis(phba
);
5056 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
5057 * @phba: pointer to lpfc hba data structure.
5059 * This routine is invoked to allocate a single 4KB memory region to
5060 * support rpis and stores them in the phba. This single region
5061 * provides support for up to 64 rpis. The region is used globally
5065 * A valid rpi hdr on success.
5066 * A NULL pointer on any failure.
5068 struct lpfc_rpi_hdr
*
5069 lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*phba
)
5071 uint16_t rpi_limit
, curr_rpi_range
;
5072 struct lpfc_dmabuf
*dmabuf
;
5073 struct lpfc_rpi_hdr
*rpi_hdr
;
5077 * If the SLI4 port supports extents, posting the rpi header isn't
5078 * required. Set the expected maximum count and let the actual value
5079 * get set when extents are fully allocated.
5081 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5083 if (phba
->sli4_hba
.extents_in_use
)
5086 /* The limit on the logical index is just the max_rpi count. */
5087 rpi_limit
= phba
->sli4_hba
.max_cfg_param
.rpi_base
+
5088 phba
->sli4_hba
.max_cfg_param
.max_rpi
- 1;
5090 spin_lock_irq(&phba
->hbalock
);
5092 * Establish the starting RPI in this header block. The starting
5093 * rpi is normalized to a zero base because the physical rpi is
5096 curr_rpi_range
= phba
->sli4_hba
.next_rpi
-
5097 phba
->sli4_hba
.max_cfg_param
.rpi_base
;
5098 spin_unlock_irq(&phba
->hbalock
);
5101 * The port has a limited number of rpis. The increment here
5102 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
5103 * and to allow the full max_rpi range per port.
5105 if ((curr_rpi_range
+ (LPFC_RPI_HDR_COUNT
- 1)) > rpi_limit
)
5106 rpi_count
= rpi_limit
- curr_rpi_range
;
5108 rpi_count
= LPFC_RPI_HDR_COUNT
;
5113 * First allocate the protocol header region for the port. The
5114 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
5116 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
5120 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
5121 LPFC_HDR_TEMPLATE_SIZE
,
5124 if (!dmabuf
->virt
) {
5126 goto err_free_dmabuf
;
5129 memset(dmabuf
->virt
, 0, LPFC_HDR_TEMPLATE_SIZE
);
5130 if (!IS_ALIGNED(dmabuf
->phys
, LPFC_HDR_TEMPLATE_SIZE
)) {
5132 goto err_free_coherent
;
5135 /* Save the rpi header data for cleanup later. */
5136 rpi_hdr
= kzalloc(sizeof(struct lpfc_rpi_hdr
), GFP_KERNEL
);
5138 goto err_free_coherent
;
5140 rpi_hdr
->dmabuf
= dmabuf
;
5141 rpi_hdr
->len
= LPFC_HDR_TEMPLATE_SIZE
;
5142 rpi_hdr
->page_count
= 1;
5143 spin_lock_irq(&phba
->hbalock
);
5145 /* The rpi_hdr stores the logical index only. */
5146 rpi_hdr
->start_rpi
= curr_rpi_range
;
5147 list_add_tail(&rpi_hdr
->list
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5150 * The next_rpi stores the next logical module-64 rpi value used
5151 * to post physical rpis in subsequent rpi postings.
5153 phba
->sli4_hba
.next_rpi
+= rpi_count
;
5154 spin_unlock_irq(&phba
->hbalock
);
5158 dma_free_coherent(&phba
->pcidev
->dev
, LPFC_HDR_TEMPLATE_SIZE
,
5159 dmabuf
->virt
, dmabuf
->phys
);
5166 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
5167 * @phba: pointer to lpfc hba data structure.
5169 * This routine is invoked to remove all memory resources allocated
5170 * to support rpis for SLI4 ports not supporting extents. This routine
5171 * presumes the caller has released all rpis consumed by fabric or port
5172 * logins and is prepared to have the header pages removed.
5175 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*phba
)
5177 struct lpfc_rpi_hdr
*rpi_hdr
, *next_rpi_hdr
;
5179 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5182 list_for_each_entry_safe(rpi_hdr
, next_rpi_hdr
,
5183 &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
5184 list_del(&rpi_hdr
->list
);
5185 dma_free_coherent(&phba
->pcidev
->dev
, rpi_hdr
->len
,
5186 rpi_hdr
->dmabuf
->virt
, rpi_hdr
->dmabuf
->phys
);
5187 kfree(rpi_hdr
->dmabuf
);
5191 /* There are no rpis available to the port now. */
5192 phba
->sli4_hba
.next_rpi
= 0;
5196 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
5197 * @pdev: pointer to pci device data structure.
5199 * This routine is invoked to allocate the driver hba data structure for an
5200 * HBA device. If the allocation is successful, the phba reference to the
5201 * PCI device data structure is set.
5204 * pointer to @phba - successful
5207 static struct lpfc_hba
*
5208 lpfc_hba_alloc(struct pci_dev
*pdev
)
5210 struct lpfc_hba
*phba
;
5212 /* Allocate memory for HBA structure */
5213 phba
= kzalloc(sizeof(struct lpfc_hba
), GFP_KERNEL
);
5215 dev_err(&pdev
->dev
, "failed to allocate hba struct\n");
5219 /* Set reference to PCI device in HBA structure */
5220 phba
->pcidev
= pdev
;
5222 /* Assign an unused board number */
5223 phba
->brd_no
= lpfc_get_instance();
5224 if (phba
->brd_no
< 0) {
5229 spin_lock_init(&phba
->ct_ev_lock
);
5230 INIT_LIST_HEAD(&phba
->ct_ev_waiters
);
5236 * lpfc_hba_free - Free driver hba data structure with a device.
5237 * @phba: pointer to lpfc hba data structure.
5239 * This routine is invoked to free the driver hba data structure with an
5243 lpfc_hba_free(struct lpfc_hba
*phba
)
5245 /* Release the driver assigned board number */
5246 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
5253 * lpfc_create_shost - Create hba physical port with associated scsi host.
5254 * @phba: pointer to lpfc hba data structure.
5256 * This routine is invoked to create HBA physical port and associate a SCSI
5261 * other values - error
5264 lpfc_create_shost(struct lpfc_hba
*phba
)
5266 struct lpfc_vport
*vport
;
5267 struct Scsi_Host
*shost
;
5269 /* Initialize HBA FC structure */
5270 phba
->fc_edtov
= FF_DEF_EDTOV
;
5271 phba
->fc_ratov
= FF_DEF_RATOV
;
5272 phba
->fc_altov
= FF_DEF_ALTOV
;
5273 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
5275 atomic_set(&phba
->sdev_cnt
, 0);
5276 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
5280 shost
= lpfc_shost_from_vport(vport
);
5281 phba
->pport
= vport
;
5282 lpfc_debugfs_initialize(vport
);
5283 /* Put reference to SCSI host to driver's device private data */
5284 pci_set_drvdata(phba
->pcidev
, shost
);
5290 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
5291 * @phba: pointer to lpfc hba data structure.
5293 * This routine is invoked to destroy HBA physical port and the associated
5297 lpfc_destroy_shost(struct lpfc_hba
*phba
)
5299 struct lpfc_vport
*vport
= phba
->pport
;
5301 /* Destroy physical port that associated with the SCSI host */
5302 destroy_port(vport
);
5308 * lpfc_setup_bg - Setup Block guard structures and debug areas.
5309 * @phba: pointer to lpfc hba data structure.
5310 * @shost: the shost to be used to detect Block guard settings.
5312 * This routine sets up the local Block guard protocol settings for @shost.
5313 * This routine also allocates memory for debugging bg buffers.
5316 lpfc_setup_bg(struct lpfc_hba
*phba
, struct Scsi_Host
*shost
)
5319 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
5320 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5321 "1478 Registering BlockGuard with the "
5323 scsi_host_set_prot(shost
, lpfc_prot_mask
);
5324 scsi_host_set_guard(shost
, lpfc_prot_guard
);
5326 if (!_dump_buf_data
) {
5328 spin_lock_init(&_dump_buf_lock
);
5330 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
5331 if (_dump_buf_data
) {
5332 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5333 "9043 BLKGRD: allocated %d pages for "
5334 "_dump_buf_data at 0x%p\n",
5335 (1 << pagecnt
), _dump_buf_data
);
5336 _dump_buf_data_order
= pagecnt
;
5337 memset(_dump_buf_data
, 0,
5338 ((1 << PAGE_SHIFT
) << pagecnt
));
5343 if (!_dump_buf_data_order
)
5344 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5345 "9044 BLKGRD: ERROR unable to allocate "
5346 "memory for hexdump\n");
5348 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5349 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
5350 "\n", _dump_buf_data
);
5351 if (!_dump_buf_dif
) {
5354 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
5355 if (_dump_buf_dif
) {
5356 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5357 "9046 BLKGRD: allocated %d pages for "
5358 "_dump_buf_dif at 0x%p\n",
5359 (1 << pagecnt
), _dump_buf_dif
);
5360 _dump_buf_dif_order
= pagecnt
;
5361 memset(_dump_buf_dif
, 0,
5362 ((1 << PAGE_SHIFT
) << pagecnt
));
5367 if (!_dump_buf_dif_order
)
5368 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5369 "9047 BLKGRD: ERROR unable to allocate "
5370 "memory for hexdump\n");
5372 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5373 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
5378 * lpfc_post_init_setup - Perform necessary device post initialization setup.
5379 * @phba: pointer to lpfc hba data structure.
5381 * This routine is invoked to perform all the necessary post initialization
5382 * setup for the device.
5385 lpfc_post_init_setup(struct lpfc_hba
*phba
)
5387 struct Scsi_Host
*shost
;
5388 struct lpfc_adapter_event_header adapter_event
;
5390 /* Get the default values for Model Name and Description */
5391 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
5394 * hba setup may have changed the hba_queue_depth so we need to
5395 * adjust the value of can_queue.
5397 shost
= pci_get_drvdata(phba
->pcidev
);
5398 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
5399 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
5400 lpfc_setup_bg(phba
, shost
);
5402 lpfc_host_attrib_init(shost
);
5404 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
5405 spin_lock_irq(shost
->host_lock
);
5406 lpfc_poll_start_timer(phba
);
5407 spin_unlock_irq(shost
->host_lock
);
5410 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5411 "0428 Perform SCSI scan\n");
5412 /* Send board arrival event to upper layer */
5413 adapter_event
.event_type
= FC_REG_ADAPTER_EVENT
;
5414 adapter_event
.subcategory
= LPFC_EVENT_ARRIVAL
;
5415 fc_host_post_vendor_event(shost
, fc_get_event_number(),
5416 sizeof(adapter_event
),
5417 (char *) &adapter_event
,
5423 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
5424 * @phba: pointer to lpfc hba data structure.
5426 * This routine is invoked to set up the PCI device memory space for device
5427 * with SLI-3 interface spec.
5431 * other values - error
5434 lpfc_sli_pci_mem_setup(struct lpfc_hba
*phba
)
5436 struct pci_dev
*pdev
;
5437 unsigned long bar0map_len
, bar2map_len
;
5440 int error
= -ENODEV
;
5442 /* Obtain PCI device reference */
5446 pdev
= phba
->pcidev
;
5448 /* Set the device DMA mask size */
5449 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
5450 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
5451 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
5452 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
5457 /* Get the bus address of Bar0 and Bar2 and the number of bytes
5458 * required by each mapping.
5460 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
5461 bar0map_len
= pci_resource_len(pdev
, 0);
5463 phba
->pci_bar2_map
= pci_resource_start(pdev
, 2);
5464 bar2map_len
= pci_resource_len(pdev
, 2);
5466 /* Map HBA SLIM to a kernel virtual address. */
5467 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
5468 if (!phba
->slim_memmap_p
) {
5469 dev_printk(KERN_ERR
, &pdev
->dev
,
5470 "ioremap failed for SLIM memory.\n");
5474 /* Map HBA Control Registers to a kernel virtual address. */
5475 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
5476 if (!phba
->ctrl_regs_memmap_p
) {
5477 dev_printk(KERN_ERR
, &pdev
->dev
,
5478 "ioremap failed for HBA control registers.\n");
5479 goto out_iounmap_slim
;
5482 /* Allocate memory for SLI-2 structures */
5483 phba
->slim2p
.virt
= dma_alloc_coherent(&pdev
->dev
,
5487 if (!phba
->slim2p
.virt
)
5490 memset(phba
->slim2p
.virt
, 0, SLI2_SLIM_SIZE
);
5491 phba
->mbox
= phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, mbx
);
5492 phba
->mbox_ext
= (phba
->slim2p
.virt
+
5493 offsetof(struct lpfc_sli2_slim
, mbx_ext_words
));
5494 phba
->pcb
= (phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, pcb
));
5495 phba
->IOCBs
= (phba
->slim2p
.virt
+
5496 offsetof(struct lpfc_sli2_slim
, IOCBs
));
5498 phba
->hbqslimp
.virt
= dma_alloc_coherent(&pdev
->dev
,
5499 lpfc_sli_hbq_size(),
5500 &phba
->hbqslimp
.phys
,
5502 if (!phba
->hbqslimp
.virt
)
5505 hbq_count
= lpfc_sli_hbq_count();
5506 ptr
= phba
->hbqslimp
.virt
;
5507 for (i
= 0; i
< hbq_count
; ++i
) {
5508 phba
->hbqs
[i
].hbq_virt
= ptr
;
5509 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
5510 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
5511 sizeof(struct lpfc_hbq_entry
));
5513 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
5514 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
5516 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
5518 INIT_LIST_HEAD(&phba
->rb_pend_list
);
5520 phba
->MBslimaddr
= phba
->slim_memmap_p
;
5521 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
5522 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
5523 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
5524 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
5529 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
5530 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
5532 iounmap(phba
->ctrl_regs_memmap_p
);
5534 iounmap(phba
->slim_memmap_p
);
5540 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
5541 * @phba: pointer to lpfc hba data structure.
5543 * This routine is invoked to unset the PCI device memory space for device
5544 * with SLI-3 interface spec.
5547 lpfc_sli_pci_mem_unset(struct lpfc_hba
*phba
)
5549 struct pci_dev
*pdev
;
5551 /* Obtain PCI device reference */
5555 pdev
= phba
->pcidev
;
5557 /* Free coherent DMA memory allocated */
5558 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
5559 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
5560 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
5561 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
5563 /* I/O memory unmap */
5564 iounmap(phba
->ctrl_regs_memmap_p
);
5565 iounmap(phba
->slim_memmap_p
);
5571 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
5572 * @phba: pointer to lpfc hba data structure.
5574 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
5575 * done and check status.
5577 * Return 0 if successful, otherwise -ENODEV.
5580 lpfc_sli4_post_status_check(struct lpfc_hba
*phba
)
5582 struct lpfc_register portsmphr_reg
, uerrlo_reg
, uerrhi_reg
;
5583 struct lpfc_register reg_data
;
5584 int i
, port_error
= 0;
5587 memset(&portsmphr_reg
, 0, sizeof(portsmphr_reg
));
5588 memset(®_data
, 0, sizeof(reg_data
));
5589 if (!phba
->sli4_hba
.PSMPHRregaddr
)
5592 /* Wait up to 30 seconds for the SLI Port POST done and ready */
5593 for (i
= 0; i
< 3000; i
++) {
5594 if (lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
5595 &portsmphr_reg
.word0
) ||
5596 (bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
))) {
5597 /* Port has a fatal POST error, break out */
5598 port_error
= -ENODEV
;
5601 if (LPFC_POST_STAGE_PORT_READY
==
5602 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
))
5608 * If there was a port error during POST, then don't proceed with
5609 * other register reads as the data may not be valid. Just exit.
5612 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5613 "1408 Port Failed POST - portsmphr=0x%x, "
5614 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
5615 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
5616 portsmphr_reg
.word0
,
5617 bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
),
5618 bf_get(lpfc_port_smphr_sfi
, &portsmphr_reg
),
5619 bf_get(lpfc_port_smphr_nip
, &portsmphr_reg
),
5620 bf_get(lpfc_port_smphr_ipc
, &portsmphr_reg
),
5621 bf_get(lpfc_port_smphr_scr1
, &portsmphr_reg
),
5622 bf_get(lpfc_port_smphr_scr2
, &portsmphr_reg
),
5623 bf_get(lpfc_port_smphr_host_scratch
, &portsmphr_reg
),
5624 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
));
5626 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5627 "2534 Device Info: SLIFamily=0x%x, "
5628 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
5629 "SLIHint_2=0x%x, FT=0x%x\n",
5630 bf_get(lpfc_sli_intf_sli_family
,
5631 &phba
->sli4_hba
.sli_intf
),
5632 bf_get(lpfc_sli_intf_slirev
,
5633 &phba
->sli4_hba
.sli_intf
),
5634 bf_get(lpfc_sli_intf_if_type
,
5635 &phba
->sli4_hba
.sli_intf
),
5636 bf_get(lpfc_sli_intf_sli_hint1
,
5637 &phba
->sli4_hba
.sli_intf
),
5638 bf_get(lpfc_sli_intf_sli_hint2
,
5639 &phba
->sli4_hba
.sli_intf
),
5640 bf_get(lpfc_sli_intf_func_type
,
5641 &phba
->sli4_hba
.sli_intf
));
5643 * Check for other Port errors during the initialization
5644 * process. Fail the load if the port did not come up
5647 if_type
= bf_get(lpfc_sli_intf_if_type
,
5648 &phba
->sli4_hba
.sli_intf
);
5650 case LPFC_SLI_INTF_IF_TYPE_0
:
5651 phba
->sli4_hba
.ue_mask_lo
=
5652 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
);
5653 phba
->sli4_hba
.ue_mask_hi
=
5654 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
);
5656 readl(phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
);
5658 readl(phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
);
5659 if ((~phba
->sli4_hba
.ue_mask_lo
& uerrlo_reg
.word0
) ||
5660 (~phba
->sli4_hba
.ue_mask_hi
& uerrhi_reg
.word0
)) {
5661 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5662 "1422 Unrecoverable Error "
5663 "Detected during POST "
5664 "uerr_lo_reg=0x%x, "
5665 "uerr_hi_reg=0x%x, "
5666 "ue_mask_lo_reg=0x%x, "
5667 "ue_mask_hi_reg=0x%x\n",
5670 phba
->sli4_hba
.ue_mask_lo
,
5671 phba
->sli4_hba
.ue_mask_hi
);
5672 port_error
= -ENODEV
;
5675 case LPFC_SLI_INTF_IF_TYPE_2
:
5676 /* Final checks. The port status should be clean. */
5677 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
5679 (bf_get(lpfc_sliport_status_err
, ®_data
) &&
5680 !bf_get(lpfc_sliport_status_rn
, ®_data
))) {
5681 phba
->work_status
[0] =
5682 readl(phba
->sli4_hba
.u
.if_type2
.
5684 phba
->work_status
[1] =
5685 readl(phba
->sli4_hba
.u
.if_type2
.
5687 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5688 "2888 Port Error Detected "
5690 "port status reg 0x%x, "
5691 "port_smphr reg 0x%x, "
5692 "error 1=0x%x, error 2=0x%x\n",
5694 portsmphr_reg
.word0
,
5695 phba
->work_status
[0],
5696 phba
->work_status
[1]);
5697 port_error
= -ENODEV
;
5700 case LPFC_SLI_INTF_IF_TYPE_1
:
5709 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
5710 * @phba: pointer to lpfc hba data structure.
5711 * @if_type: The SLI4 interface type getting configured.
5713 * This routine is invoked to set up SLI4 BAR0 PCI config space register
5717 lpfc_sli4_bar0_register_memmap(struct lpfc_hba
*phba
, uint32_t if_type
)
5720 case LPFC_SLI_INTF_IF_TYPE_0
:
5721 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
=
5722 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_LO
;
5723 phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
=
5724 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_HI
;
5725 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
=
5726 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_LO
;
5727 phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
=
5728 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_HI
;
5729 phba
->sli4_hba
.SLIINTFregaddr
=
5730 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
5732 case LPFC_SLI_INTF_IF_TYPE_2
:
5733 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
=
5734 phba
->sli4_hba
.conf_regs_memmap_p
+
5735 LPFC_CTL_PORT_ER1_OFFSET
;
5736 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
=
5737 phba
->sli4_hba
.conf_regs_memmap_p
+
5738 LPFC_CTL_PORT_ER2_OFFSET
;
5739 phba
->sli4_hba
.u
.if_type2
.CTRLregaddr
=
5740 phba
->sli4_hba
.conf_regs_memmap_p
+
5741 LPFC_CTL_PORT_CTL_OFFSET
;
5742 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
=
5743 phba
->sli4_hba
.conf_regs_memmap_p
+
5744 LPFC_CTL_PORT_STA_OFFSET
;
5745 phba
->sli4_hba
.SLIINTFregaddr
=
5746 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
5747 phba
->sli4_hba
.PSMPHRregaddr
=
5748 phba
->sli4_hba
.conf_regs_memmap_p
+
5749 LPFC_CTL_PORT_SEM_OFFSET
;
5750 phba
->sli4_hba
.RQDBregaddr
=
5751 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_RQ_DOORBELL
;
5752 phba
->sli4_hba
.WQDBregaddr
=
5753 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_WQ_DOORBELL
;
5754 phba
->sli4_hba
.EQCQDBregaddr
=
5755 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_EQCQ_DOORBELL
;
5756 phba
->sli4_hba
.MQDBregaddr
=
5757 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_MQ_DOORBELL
;
5758 phba
->sli4_hba
.BMBXregaddr
=
5759 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_BMBX
;
5761 case LPFC_SLI_INTF_IF_TYPE_1
:
5763 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
5764 "FATAL - unsupported SLI4 interface type - %d\n",
5771 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
5772 * @phba: pointer to lpfc hba data structure.
5774 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
5778 lpfc_sli4_bar1_register_memmap(struct lpfc_hba
*phba
)
5780 phba
->sli4_hba
.PSMPHRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
5781 LPFC_SLIPORT_IF0_SMPHR
;
5782 phba
->sli4_hba
.ISRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
5784 phba
->sli4_hba
.IMRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
5786 phba
->sli4_hba
.ISCRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
5791 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
5792 * @phba: pointer to lpfc hba data structure.
5793 * @vf: virtual function number
5795 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
5796 * based on the given viftual function number, @vf.
5798 * Return 0 if successful, otherwise -ENODEV.
5801 lpfc_sli4_bar2_register_memmap(struct lpfc_hba
*phba
, uint32_t vf
)
5803 if (vf
> LPFC_VIR_FUNC_MAX
)
5806 phba
->sli4_hba
.RQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
5807 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_RQ_DOORBELL
);
5808 phba
->sli4_hba
.WQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
5809 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_WQ_DOORBELL
);
5810 phba
->sli4_hba
.EQCQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
5811 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_EQCQ_DOORBELL
);
5812 phba
->sli4_hba
.MQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
5813 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_MQ_DOORBELL
);
5814 phba
->sli4_hba
.BMBXregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
5815 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_BMBX
);
5820 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
5821 * @phba: pointer to lpfc hba data structure.
5823 * This routine is invoked to create the bootstrap mailbox
5824 * region consistent with the SLI-4 interface spec. This
5825 * routine allocates all memory necessary to communicate
5826 * mailbox commands to the port and sets up all alignment
5827 * needs. No locks are expected to be held when calling
5832 * -ENOMEM - could not allocated memory.
5835 lpfc_create_bootstrap_mbox(struct lpfc_hba
*phba
)
5838 struct lpfc_dmabuf
*dmabuf
;
5839 struct dma_address
*dma_address
;
5843 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
5848 * The bootstrap mailbox region is comprised of 2 parts
5849 * plus an alignment restriction of 16 bytes.
5851 bmbx_size
= sizeof(struct lpfc_bmbx_create
) + (LPFC_ALIGN_16_BYTE
- 1);
5852 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
5856 if (!dmabuf
->virt
) {
5860 memset(dmabuf
->virt
, 0, bmbx_size
);
5863 * Initialize the bootstrap mailbox pointers now so that the register
5864 * operations are simple later. The mailbox dma address is required
5865 * to be 16-byte aligned. Also align the virtual memory as each
5866 * maibox is copied into the bmbx mailbox region before issuing the
5867 * command to the port.
5869 phba
->sli4_hba
.bmbx
.dmabuf
= dmabuf
;
5870 phba
->sli4_hba
.bmbx
.bmbx_size
= bmbx_size
;
5872 phba
->sli4_hba
.bmbx
.avirt
= PTR_ALIGN(dmabuf
->virt
,
5873 LPFC_ALIGN_16_BYTE
);
5874 phba
->sli4_hba
.bmbx
.aphys
= ALIGN(dmabuf
->phys
,
5875 LPFC_ALIGN_16_BYTE
);
5878 * Set the high and low physical addresses now. The SLI4 alignment
5879 * requirement is 16 bytes and the mailbox is posted to the port
5880 * as two 30-bit addresses. The other data is a bit marking whether
5881 * the 30-bit address is the high or low address.
5882 * Upcast bmbx aphys to 64bits so shift instruction compiles
5883 * clean on 32 bit machines.
5885 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
5886 phys_addr
= (uint64_t)phba
->sli4_hba
.bmbx
.aphys
;
5887 pa_addr
= (uint32_t) ((phys_addr
>> 34) & 0x3fffffff);
5888 dma_address
->addr_hi
= (uint32_t) ((pa_addr
<< 2) |
5889 LPFC_BMBX_BIT1_ADDR_HI
);
5891 pa_addr
= (uint32_t) ((phba
->sli4_hba
.bmbx
.aphys
>> 4) & 0x3fffffff);
5892 dma_address
->addr_lo
= (uint32_t) ((pa_addr
<< 2) |
5893 LPFC_BMBX_BIT1_ADDR_LO
);
5898 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
5899 * @phba: pointer to lpfc hba data structure.
5901 * This routine is invoked to teardown the bootstrap mailbox
5902 * region and release all host resources. This routine requires
5903 * the caller to ensure all mailbox commands recovered, no
5904 * additional mailbox comands are sent, and interrupts are disabled
5905 * before calling this routine.
5909 lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*phba
)
5911 dma_free_coherent(&phba
->pcidev
->dev
,
5912 phba
->sli4_hba
.bmbx
.bmbx_size
,
5913 phba
->sli4_hba
.bmbx
.dmabuf
->virt
,
5914 phba
->sli4_hba
.bmbx
.dmabuf
->phys
);
5916 kfree(phba
->sli4_hba
.bmbx
.dmabuf
);
5917 memset(&phba
->sli4_hba
.bmbx
, 0, sizeof(struct lpfc_bmbx
));
5921 * lpfc_sli4_read_config - Get the config parameters.
5922 * @phba: pointer to lpfc hba data structure.
5924 * This routine is invoked to read the configuration parameters from the HBA.
5925 * The configuration parameters are used to set the base and maximum values
5926 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
5927 * allocation for the port.
5931 * -ENOMEM - No available memory
5932 * -EIO - The mailbox failed to complete successfully.
5935 lpfc_sli4_read_config(struct lpfc_hba
*phba
)
5938 struct lpfc_mbx_read_config
*rd_config
;
5939 union lpfc_sli4_cfg_shdr
*shdr
;
5940 uint32_t shdr_status
, shdr_add_status
;
5941 struct lpfc_mbx_get_func_cfg
*get_func_cfg
;
5942 struct lpfc_rsrc_desc_fcfcoe
*desc
;
5943 uint32_t desc_count
;
5944 int length
, i
, rc
= 0;
5946 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5948 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5949 "2011 Unable to allocate memory for issuing "
5950 "SLI_CONFIG_SPECIAL mailbox command\n");
5954 lpfc_read_config(phba
, pmb
);
5956 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
5957 if (rc
!= MBX_SUCCESS
) {
5958 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5959 "2012 Mailbox failed , mbxCmd x%x "
5960 "READ_CONFIG, mbxStatus x%x\n",
5961 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
5962 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
5965 rd_config
= &pmb
->u
.mqe
.un
.rd_config
;
5966 phba
->sli4_hba
.extents_in_use
=
5967 bf_get(lpfc_mbx_rd_conf_extnts_inuse
, rd_config
);
5968 phba
->sli4_hba
.max_cfg_param
.max_xri
=
5969 bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
5970 phba
->sli4_hba
.max_cfg_param
.xri_base
=
5971 bf_get(lpfc_mbx_rd_conf_xri_base
, rd_config
);
5972 phba
->sli4_hba
.max_cfg_param
.max_vpi
=
5973 bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
);
5974 phba
->sli4_hba
.max_cfg_param
.vpi_base
=
5975 bf_get(lpfc_mbx_rd_conf_vpi_base
, rd_config
);
5976 phba
->sli4_hba
.max_cfg_param
.max_rpi
=
5977 bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
5978 phba
->sli4_hba
.max_cfg_param
.rpi_base
=
5979 bf_get(lpfc_mbx_rd_conf_rpi_base
, rd_config
);
5980 phba
->sli4_hba
.max_cfg_param
.max_vfi
=
5981 bf_get(lpfc_mbx_rd_conf_vfi_count
, rd_config
);
5982 phba
->sli4_hba
.max_cfg_param
.vfi_base
=
5983 bf_get(lpfc_mbx_rd_conf_vfi_base
, rd_config
);
5984 phba
->sli4_hba
.max_cfg_param
.max_fcfi
=
5985 bf_get(lpfc_mbx_rd_conf_fcfi_count
, rd_config
);
5986 phba
->sli4_hba
.max_cfg_param
.max_eq
=
5987 bf_get(lpfc_mbx_rd_conf_eq_count
, rd_config
);
5988 phba
->sli4_hba
.max_cfg_param
.max_rq
=
5989 bf_get(lpfc_mbx_rd_conf_rq_count
, rd_config
);
5990 phba
->sli4_hba
.max_cfg_param
.max_wq
=
5991 bf_get(lpfc_mbx_rd_conf_wq_count
, rd_config
);
5992 phba
->sli4_hba
.max_cfg_param
.max_cq
=
5993 bf_get(lpfc_mbx_rd_conf_cq_count
, rd_config
);
5994 phba
->lmt
= bf_get(lpfc_mbx_rd_conf_lmt
, rd_config
);
5995 phba
->sli4_hba
.next_xri
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
5996 phba
->vpi_base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
5997 phba
->vfi_base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
5998 phba
->sli4_hba
.next_rpi
= phba
->sli4_hba
.max_cfg_param
.rpi_base
;
5999 phba
->max_vpi
= (phba
->sli4_hba
.max_cfg_param
.max_vpi
> 0) ?
6000 (phba
->sli4_hba
.max_cfg_param
.max_vpi
- 1) : 0;
6001 phba
->max_vports
= phba
->max_vpi
;
6002 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6003 "2003 cfg params Extents? %d "
6009 phba
->sli4_hba
.extents_in_use
,
6010 phba
->sli4_hba
.max_cfg_param
.xri_base
,
6011 phba
->sli4_hba
.max_cfg_param
.max_xri
,
6012 phba
->sli4_hba
.max_cfg_param
.vpi_base
,
6013 phba
->sli4_hba
.max_cfg_param
.max_vpi
,
6014 phba
->sli4_hba
.max_cfg_param
.vfi_base
,
6015 phba
->sli4_hba
.max_cfg_param
.max_vfi
,
6016 phba
->sli4_hba
.max_cfg_param
.rpi_base
,
6017 phba
->sli4_hba
.max_cfg_param
.max_rpi
,
6018 phba
->sli4_hba
.max_cfg_param
.max_fcfi
);
6024 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
6025 if (phba
->cfg_hba_queue_depth
>
6026 (phba
->sli4_hba
.max_cfg_param
.max_xri
-
6027 lpfc_sli4_get_els_iocb_cnt(phba
)))
6028 phba
->cfg_hba_queue_depth
=
6029 phba
->sli4_hba
.max_cfg_param
.max_xri
-
6030 lpfc_sli4_get_els_iocb_cnt(phba
);
6032 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
6033 LPFC_SLI_INTF_IF_TYPE_2
)
6036 /* get the pf# and vf# for SLI4 if_type 2 port */
6037 length
= (sizeof(struct lpfc_mbx_get_func_cfg
) -
6038 sizeof(struct lpfc_sli4_cfg_mhdr
));
6039 lpfc_sli4_config(phba
, pmb
, LPFC_MBOX_SUBSYSTEM_COMMON
,
6040 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG
,
6041 length
, LPFC_SLI4_MBX_EMBED
);
6043 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6044 shdr
= (union lpfc_sli4_cfg_shdr
*)
6045 &pmb
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
6046 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
6047 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
6048 if (rc
|| shdr_status
|| shdr_add_status
) {
6049 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6050 "3026 Mailbox failed , mbxCmd x%x "
6051 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
6052 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6053 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6058 /* search for fc_fcoe resrouce descriptor */
6059 get_func_cfg
= &pmb
->u
.mqe
.un
.get_func_cfg
;
6060 desc_count
= get_func_cfg
->func_cfg
.rsrc_desc_count
;
6062 for (i
= 0; i
< LPFC_RSRC_DESC_MAX_NUM
; i
++) {
6063 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)
6064 &get_func_cfg
->func_cfg
.desc
[i
];
6065 if (LPFC_RSRC_DESC_TYPE_FCFCOE
==
6066 bf_get(lpfc_rsrc_desc_pcie_type
, desc
)) {
6067 phba
->sli4_hba
.iov
.pf_number
=
6068 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum
, desc
);
6069 phba
->sli4_hba
.iov
.vf_number
=
6070 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum
, desc
);
6075 if (i
< LPFC_RSRC_DESC_MAX_NUM
)
6076 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6077 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
6078 "vf_number:%d\n", phba
->sli4_hba
.iov
.pf_number
,
6079 phba
->sli4_hba
.iov
.vf_number
);
6081 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6082 "3028 GET_FUNCTION_CONFIG: failed to find "
6083 "Resrouce Descriptor:x%x\n",
6084 LPFC_RSRC_DESC_TYPE_FCFCOE
);
6089 mempool_free(pmb
, phba
->mbox_mem_pool
);
6094 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
6095 * @phba: pointer to lpfc hba data structure.
6097 * This routine is invoked to setup the port-side endian order when
6098 * the port if_type is 0. This routine has no function for other
6103 * -ENOMEM - No available memory
6104 * -EIO - The mailbox failed to complete successfully.
6107 lpfc_setup_endian_order(struct lpfc_hba
*phba
)
6109 LPFC_MBOXQ_t
*mboxq
;
6110 uint32_t if_type
, rc
= 0;
6111 uint32_t endian_mb_data
[2] = {HOST_ENDIAN_LOW_WORD0
,
6112 HOST_ENDIAN_HIGH_WORD1
};
6114 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
6116 case LPFC_SLI_INTF_IF_TYPE_0
:
6117 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
6120 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6121 "0492 Unable to allocate memory for "
6122 "issuing SLI_CONFIG_SPECIAL mailbox "
6128 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
6129 * two words to contain special data values and no other data.
6131 memset(mboxq
, 0, sizeof(LPFC_MBOXQ_t
));
6132 memcpy(&mboxq
->u
.mqe
, &endian_mb_data
, sizeof(endian_mb_data
));
6133 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6134 if (rc
!= MBX_SUCCESS
) {
6135 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6136 "0493 SLI_CONFIG_SPECIAL mailbox "
6137 "failed with status x%x\n",
6141 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6143 case LPFC_SLI_INTF_IF_TYPE_2
:
6144 case LPFC_SLI_INTF_IF_TYPE_1
:
6152 * lpfc_sli4_queue_create - Create all the SLI4 queues
6153 * @phba: pointer to lpfc hba data structure.
6155 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
6156 * operation. For each SLI4 queue type, the parameters such as queue entry
6157 * count (queue depth) shall be taken from the module parameter. For now,
6158 * we just use some constant number as place holder.
6162 * -ENOMEM - No available memory
6163 * -EIO - The mailbox failed to complete successfully.
6166 lpfc_sli4_queue_create(struct lpfc_hba
*phba
)
6168 struct lpfc_queue
*qdesc
;
6169 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
6170 int cfg_fcp_wq_count
;
6171 int cfg_fcp_eq_count
;
6174 * Sanity check for confiugred queue parameters against the run-time
6178 /* Sanity check on FCP fast-path WQ parameters */
6179 cfg_fcp_wq_count
= phba
->cfg_fcp_wq_count
;
6180 if (cfg_fcp_wq_count
>
6181 (phba
->sli4_hba
.max_cfg_param
.max_wq
- LPFC_SP_WQN_DEF
)) {
6182 cfg_fcp_wq_count
= phba
->sli4_hba
.max_cfg_param
.max_wq
-
6184 if (cfg_fcp_wq_count
< LPFC_FP_WQN_MIN
) {
6185 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6186 "2581 Not enough WQs (%d) from "
6187 "the pci function for supporting "
6189 phba
->sli4_hba
.max_cfg_param
.max_wq
,
6190 phba
->cfg_fcp_wq_count
);
6193 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6194 "2582 Not enough WQs (%d) from the pci "
6195 "function for supporting the requested "
6196 "FCP WQs (%d), the actual FCP WQs can "
6197 "be supported: %d\n",
6198 phba
->sli4_hba
.max_cfg_param
.max_wq
,
6199 phba
->cfg_fcp_wq_count
, cfg_fcp_wq_count
);
6201 /* The actual number of FCP work queues adopted */
6202 phba
->cfg_fcp_wq_count
= cfg_fcp_wq_count
;
6204 /* Sanity check on FCP fast-path EQ parameters */
6205 cfg_fcp_eq_count
= phba
->cfg_fcp_eq_count
;
6206 if (cfg_fcp_eq_count
>
6207 (phba
->sli4_hba
.max_cfg_param
.max_eq
- LPFC_SP_EQN_DEF
)) {
6208 cfg_fcp_eq_count
= phba
->sli4_hba
.max_cfg_param
.max_eq
-
6210 if (cfg_fcp_eq_count
< LPFC_FP_EQN_MIN
) {
6211 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6212 "2574 Not enough EQs (%d) from the "
6213 "pci function for supporting FCP "
6215 phba
->sli4_hba
.max_cfg_param
.max_eq
,
6216 phba
->cfg_fcp_eq_count
);
6219 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6220 "2575 Not enough EQs (%d) from the pci "
6221 "function for supporting the requested "
6222 "FCP EQs (%d), the actual FCP EQs can "
6223 "be supported: %d\n",
6224 phba
->sli4_hba
.max_cfg_param
.max_eq
,
6225 phba
->cfg_fcp_eq_count
, cfg_fcp_eq_count
);
6227 /* It does not make sense to have more EQs than WQs */
6228 if (cfg_fcp_eq_count
> phba
->cfg_fcp_wq_count
) {
6229 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6230 "2593 The FCP EQ count(%d) cannot be greater "
6231 "than the FCP WQ count(%d), limiting the "
6232 "FCP EQ count to %d\n", cfg_fcp_eq_count
,
6233 phba
->cfg_fcp_wq_count
,
6234 phba
->cfg_fcp_wq_count
);
6235 cfg_fcp_eq_count
= phba
->cfg_fcp_wq_count
;
6237 /* The actual number of FCP event queues adopted */
6238 phba
->cfg_fcp_eq_count
= cfg_fcp_eq_count
;
6239 /* The overall number of event queues used */
6240 phba
->sli4_hba
.cfg_eqn
= phba
->cfg_fcp_eq_count
+ LPFC_SP_EQN_DEF
;
6243 * Create Event Queues (EQs)
6246 /* Get EQ depth from module parameter, fake the default for now */
6247 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
6248 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
6250 /* Create slow path event queue */
6251 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
6252 phba
->sli4_hba
.eq_ecount
);
6254 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6255 "0496 Failed allocate slow-path EQ\n");
6258 phba
->sli4_hba
.sp_eq
= qdesc
;
6260 /* Create fast-path FCP Event Queue(s) */
6261 phba
->sli4_hba
.fp_eq
= kzalloc((sizeof(struct lpfc_queue
*) *
6262 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
6263 if (!phba
->sli4_hba
.fp_eq
) {
6264 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6265 "2576 Failed allocate memory for fast-path "
6266 "EQ record array\n");
6267 goto out_free_sp_eq
;
6269 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_eq_count
; fcp_eqidx
++) {
6270 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
6271 phba
->sli4_hba
.eq_ecount
);
6273 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6274 "0497 Failed allocate fast-path EQ\n");
6275 goto out_free_fp_eq
;
6277 phba
->sli4_hba
.fp_eq
[fcp_eqidx
] = qdesc
;
6281 * Create Complete Queues (CQs)
6284 /* Get CQ depth from module parameter, fake the default for now */
6285 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
6286 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
6288 /* Create slow-path Mailbox Command Complete Queue */
6289 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6290 phba
->sli4_hba
.cq_ecount
);
6292 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6293 "0500 Failed allocate slow-path mailbox CQ\n");
6294 goto out_free_fp_eq
;
6296 phba
->sli4_hba
.mbx_cq
= qdesc
;
6298 /* Create slow-path ELS Complete Queue */
6299 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6300 phba
->sli4_hba
.cq_ecount
);
6302 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6303 "0501 Failed allocate slow-path ELS CQ\n");
6304 goto out_free_mbx_cq
;
6306 phba
->sli4_hba
.els_cq
= qdesc
;
6309 /* Create fast-path FCP Completion Queue(s), one-to-one with EQs */
6310 phba
->sli4_hba
.fcp_cq
= kzalloc((sizeof(struct lpfc_queue
*) *
6311 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
6312 if (!phba
->sli4_hba
.fcp_cq
) {
6313 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6314 "2577 Failed allocate memory for fast-path "
6315 "CQ record array\n");
6316 goto out_free_els_cq
;
6318 for (fcp_cqidx
= 0; fcp_cqidx
< phba
->cfg_fcp_eq_count
; fcp_cqidx
++) {
6319 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6320 phba
->sli4_hba
.cq_ecount
);
6322 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6323 "0499 Failed allocate fast-path FCP "
6324 "CQ (%d)\n", fcp_cqidx
);
6325 goto out_free_fcp_cq
;
6327 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
] = qdesc
;
6330 /* Create Mailbox Command Queue */
6331 phba
->sli4_hba
.mq_esize
= LPFC_MQE_SIZE
;
6332 phba
->sli4_hba
.mq_ecount
= LPFC_MQE_DEF_COUNT
;
6334 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.mq_esize
,
6335 phba
->sli4_hba
.mq_ecount
);
6337 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6338 "0505 Failed allocate slow-path MQ\n");
6339 goto out_free_fcp_cq
;
6341 phba
->sli4_hba
.mbx_wq
= qdesc
;
6344 * Create all the Work Queues (WQs)
6346 phba
->sli4_hba
.wq_esize
= LPFC_WQE_SIZE
;
6347 phba
->sli4_hba
.wq_ecount
= LPFC_WQE_DEF_COUNT
;
6349 /* Create slow-path ELS Work Queue */
6350 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
6351 phba
->sli4_hba
.wq_ecount
);
6353 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6354 "0504 Failed allocate slow-path ELS WQ\n");
6355 goto out_free_mbx_wq
;
6357 phba
->sli4_hba
.els_wq
= qdesc
;
6359 /* Create fast-path FCP Work Queue(s) */
6360 phba
->sli4_hba
.fcp_wq
= kzalloc((sizeof(struct lpfc_queue
*) *
6361 phba
->cfg_fcp_wq_count
), GFP_KERNEL
);
6362 if (!phba
->sli4_hba
.fcp_wq
) {
6363 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6364 "2578 Failed allocate memory for fast-path "
6365 "WQ record array\n");
6366 goto out_free_els_wq
;
6368 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_wq_count
; fcp_wqidx
++) {
6369 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
6370 phba
->sli4_hba
.wq_ecount
);
6372 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6373 "0503 Failed allocate fast-path FCP "
6374 "WQ (%d)\n", fcp_wqidx
);
6375 goto out_free_fcp_wq
;
6377 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
] = qdesc
;
6381 * Create Receive Queue (RQ)
6383 phba
->sli4_hba
.rq_esize
= LPFC_RQE_SIZE
;
6384 phba
->sli4_hba
.rq_ecount
= LPFC_RQE_DEF_COUNT
;
6386 /* Create Receive Queue for header */
6387 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
6388 phba
->sli4_hba
.rq_ecount
);
6390 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6391 "0506 Failed allocate receive HRQ\n");
6392 goto out_free_fcp_wq
;
6394 phba
->sli4_hba
.hdr_rq
= qdesc
;
6396 /* Create Receive Queue for data */
6397 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
6398 phba
->sli4_hba
.rq_ecount
);
6400 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6401 "0507 Failed allocate receive DRQ\n");
6402 goto out_free_hdr_rq
;
6404 phba
->sli4_hba
.dat_rq
= qdesc
;
6409 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
6410 phba
->sli4_hba
.hdr_rq
= NULL
;
6412 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--) {
6413 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
6414 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
] = NULL
;
6416 kfree(phba
->sli4_hba
.fcp_wq
);
6418 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
6419 phba
->sli4_hba
.els_wq
= NULL
;
6421 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
6422 phba
->sli4_hba
.mbx_wq
= NULL
;
6424 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--) {
6425 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
6426 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
] = NULL
;
6428 kfree(phba
->sli4_hba
.fcp_cq
);
6430 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
6431 phba
->sli4_hba
.els_cq
= NULL
;
6433 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
6434 phba
->sli4_hba
.mbx_cq
= NULL
;
6436 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--) {
6437 lpfc_sli4_queue_free(phba
->sli4_hba
.fp_eq
[fcp_eqidx
]);
6438 phba
->sli4_hba
.fp_eq
[fcp_eqidx
] = NULL
;
6440 kfree(phba
->sli4_hba
.fp_eq
);
6442 lpfc_sli4_queue_free(phba
->sli4_hba
.sp_eq
);
6443 phba
->sli4_hba
.sp_eq
= NULL
;
6449 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
6450 * @phba: pointer to lpfc hba data structure.
6452 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
6457 * -ENOMEM - No available memory
6458 * -EIO - The mailbox failed to complete successfully.
6461 lpfc_sli4_queue_destroy(struct lpfc_hba
*phba
)
6465 /* Release mailbox command work queue */
6466 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
6467 phba
->sli4_hba
.mbx_wq
= NULL
;
6469 /* Release ELS work queue */
6470 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
6471 phba
->sli4_hba
.els_wq
= NULL
;
6473 /* Release FCP work queue */
6474 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_wq_count
; fcp_qidx
++)
6475 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
6476 kfree(phba
->sli4_hba
.fcp_wq
);
6477 phba
->sli4_hba
.fcp_wq
= NULL
;
6479 /* Release unsolicited receive queue */
6480 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
6481 phba
->sli4_hba
.hdr_rq
= NULL
;
6482 lpfc_sli4_queue_free(phba
->sli4_hba
.dat_rq
);
6483 phba
->sli4_hba
.dat_rq
= NULL
;
6485 /* Release ELS complete queue */
6486 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
6487 phba
->sli4_hba
.els_cq
= NULL
;
6489 /* Release mailbox command complete queue */
6490 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
6491 phba
->sli4_hba
.mbx_cq
= NULL
;
6493 /* Release FCP response complete queue */
6496 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
6497 while (++fcp_qidx
< phba
->cfg_fcp_eq_count
);
6498 kfree(phba
->sli4_hba
.fcp_cq
);
6499 phba
->sli4_hba
.fcp_cq
= NULL
;
6501 /* Release fast-path event queue */
6502 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
6503 lpfc_sli4_queue_free(phba
->sli4_hba
.fp_eq
[fcp_qidx
]);
6504 kfree(phba
->sli4_hba
.fp_eq
);
6505 phba
->sli4_hba
.fp_eq
= NULL
;
6507 /* Release slow-path event queue */
6508 lpfc_sli4_queue_free(phba
->sli4_hba
.sp_eq
);
6509 phba
->sli4_hba
.sp_eq
= NULL
;
6515 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
6516 * @phba: pointer to lpfc hba data structure.
6518 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
6523 * -ENOMEM - No available memory
6524 * -EIO - The mailbox failed to complete successfully.
6527 lpfc_sli4_queue_setup(struct lpfc_hba
*phba
)
6530 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
6531 int fcp_cq_index
= 0;
6534 * Set up Event Queues (EQs)
6537 /* Set up slow-path event queue */
6538 if (!phba
->sli4_hba
.sp_eq
) {
6539 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6540 "0520 Slow-path EQ not allocated\n");
6543 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.sp_eq
,
6546 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6547 "0521 Failed setup of slow-path EQ: "
6551 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6552 "2583 Slow-path EQ setup: queue-id=%d\n",
6553 phba
->sli4_hba
.sp_eq
->queue_id
);
6555 /* Set up fast-path event queue */
6556 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_eq_count
; fcp_eqidx
++) {
6557 if (!phba
->sli4_hba
.fp_eq
[fcp_eqidx
]) {
6558 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6559 "0522 Fast-path EQ (%d) not "
6560 "allocated\n", fcp_eqidx
);
6561 goto out_destroy_fp_eq
;
6563 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.fp_eq
[fcp_eqidx
],
6564 phba
->cfg_fcp_imax
);
6566 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6567 "0523 Failed setup of fast-path EQ "
6568 "(%d), rc = 0x%x\n", fcp_eqidx
, rc
);
6569 goto out_destroy_fp_eq
;
6571 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6572 "2584 Fast-path EQ setup: "
6573 "queue[%d]-id=%d\n", fcp_eqidx
,
6574 phba
->sli4_hba
.fp_eq
[fcp_eqidx
]->queue_id
);
6578 * Set up Complete Queues (CQs)
6581 /* Set up slow-path MBOX Complete Queue as the first CQ */
6582 if (!phba
->sli4_hba
.mbx_cq
) {
6583 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6584 "0528 Mailbox CQ not allocated\n");
6585 goto out_destroy_fp_eq
;
6587 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.mbx_cq
, phba
->sli4_hba
.sp_eq
,
6588 LPFC_MCQ
, LPFC_MBOX
);
6590 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6591 "0529 Failed setup of slow-path mailbox CQ: "
6593 goto out_destroy_fp_eq
;
6595 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6596 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
6597 phba
->sli4_hba
.mbx_cq
->queue_id
,
6598 phba
->sli4_hba
.sp_eq
->queue_id
);
6600 /* Set up slow-path ELS Complete Queue */
6601 if (!phba
->sli4_hba
.els_cq
) {
6602 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6603 "0530 ELS CQ not allocated\n");
6604 goto out_destroy_mbx_cq
;
6606 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.els_cq
, phba
->sli4_hba
.sp_eq
,
6607 LPFC_WCQ
, LPFC_ELS
);
6609 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6610 "0531 Failed setup of slow-path ELS CQ: "
6612 goto out_destroy_mbx_cq
;
6614 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6615 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
6616 phba
->sli4_hba
.els_cq
->queue_id
,
6617 phba
->sli4_hba
.sp_eq
->queue_id
);
6619 /* Set up fast-path FCP Response Complete Queue */
6622 if (!phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]) {
6623 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6624 "0526 Fast-path FCP CQ (%d) not "
6625 "allocated\n", fcp_cqidx
);
6626 goto out_destroy_fcp_cq
;
6628 if (phba
->cfg_fcp_eq_count
)
6629 rc
= lpfc_cq_create(phba
,
6630 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
6631 phba
->sli4_hba
.fp_eq
[fcp_cqidx
],
6632 LPFC_WCQ
, LPFC_FCP
);
6634 rc
= lpfc_cq_create(phba
,
6635 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
6636 phba
->sli4_hba
.sp_eq
,
6637 LPFC_WCQ
, LPFC_FCP
);
6639 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6640 "0527 Failed setup of fast-path FCP "
6641 "CQ (%d), rc = 0x%x\n", fcp_cqidx
, rc
);
6642 goto out_destroy_fcp_cq
;
6644 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6645 "2588 FCP CQ setup: cq[%d]-id=%d, "
6646 "parent %seq[%d]-id=%d\n",
6648 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
,
6649 (phba
->cfg_fcp_eq_count
) ? "" : "sp_",
6651 (phba
->cfg_fcp_eq_count
) ?
6652 phba
->sli4_hba
.fp_eq
[fcp_cqidx
]->queue_id
:
6653 phba
->sli4_hba
.sp_eq
->queue_id
);
6654 } while (++fcp_cqidx
< phba
->cfg_fcp_eq_count
);
6657 * Set up all the Work Queues (WQs)
6660 /* Set up Mailbox Command Queue */
6661 if (!phba
->sli4_hba
.mbx_wq
) {
6662 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6663 "0538 Slow-path MQ not allocated\n");
6664 goto out_destroy_fcp_cq
;
6666 rc
= lpfc_mq_create(phba
, phba
->sli4_hba
.mbx_wq
,
6667 phba
->sli4_hba
.mbx_cq
, LPFC_MBOX
);
6669 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6670 "0539 Failed setup of slow-path MQ: "
6672 goto out_destroy_fcp_cq
;
6674 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6675 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
6676 phba
->sli4_hba
.mbx_wq
->queue_id
,
6677 phba
->sli4_hba
.mbx_cq
->queue_id
);
6679 /* Set up slow-path ELS Work Queue */
6680 if (!phba
->sli4_hba
.els_wq
) {
6681 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6682 "0536 Slow-path ELS WQ not allocated\n");
6683 goto out_destroy_mbx_wq
;
6685 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.els_wq
,
6686 phba
->sli4_hba
.els_cq
, LPFC_ELS
);
6688 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6689 "0537 Failed setup of slow-path ELS WQ: "
6691 goto out_destroy_mbx_wq
;
6693 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6694 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
6695 phba
->sli4_hba
.els_wq
->queue_id
,
6696 phba
->sli4_hba
.els_cq
->queue_id
);
6698 /* Set up fast-path FCP Work Queue */
6699 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_wq_count
; fcp_wqidx
++) {
6700 if (!phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]) {
6701 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6702 "0534 Fast-path FCP WQ (%d) not "
6703 "allocated\n", fcp_wqidx
);
6704 goto out_destroy_fcp_wq
;
6706 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
],
6707 phba
->sli4_hba
.fcp_cq
[fcp_cq_index
],
6710 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6711 "0535 Failed setup of fast-path FCP "
6712 "WQ (%d), rc = 0x%x\n", fcp_wqidx
, rc
);
6713 goto out_destroy_fcp_wq
;
6715 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6716 "2591 FCP WQ setup: wq[%d]-id=%d, "
6717 "parent cq[%d]-id=%d\n",
6719 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]->queue_id
,
6721 phba
->sli4_hba
.fcp_cq
[fcp_cq_index
]->queue_id
);
6722 /* Round robin FCP Work Queue's Completion Queue assignment */
6723 if (phba
->cfg_fcp_eq_count
)
6724 fcp_cq_index
= ((fcp_cq_index
+ 1) %
6725 phba
->cfg_fcp_eq_count
);
6729 * Create Receive Queue (RQ)
6731 if (!phba
->sli4_hba
.hdr_rq
|| !phba
->sli4_hba
.dat_rq
) {
6732 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6733 "0540 Receive Queue not allocated\n");
6734 goto out_destroy_fcp_wq
;
6737 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.hdr_rq
, LPFC_ELS_HBQ
);
6738 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.dat_rq
, LPFC_ELS_HBQ
);
6740 rc
= lpfc_rq_create(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
6741 phba
->sli4_hba
.els_cq
, LPFC_USOL
);
6743 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6744 "0541 Failed setup of Receive Queue: "
6746 goto out_destroy_fcp_wq
;
6749 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6750 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
6751 "parent cq-id=%d\n",
6752 phba
->sli4_hba
.hdr_rq
->queue_id
,
6753 phba
->sli4_hba
.dat_rq
->queue_id
,
6754 phba
->sli4_hba
.els_cq
->queue_id
);
6758 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--)
6759 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
6760 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
6762 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
6764 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--)
6765 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
6766 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
6768 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
6770 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--)
6771 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fp_eq
[fcp_eqidx
]);
6772 lpfc_eq_destroy(phba
, phba
->sli4_hba
.sp_eq
);
6778 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
6779 * @phba: pointer to lpfc hba data structure.
6781 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
6786 * -ENOMEM - No available memory
6787 * -EIO - The mailbox failed to complete successfully.
6790 lpfc_sli4_queue_unset(struct lpfc_hba
*phba
)
6794 /* Unset mailbox command work queue */
6795 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
6796 /* Unset ELS work queue */
6797 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
6798 /* Unset unsolicited receive queue */
6799 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
);
6800 /* Unset FCP work queue */
6801 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_wq_count
; fcp_qidx
++)
6802 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
6803 /* Unset mailbox command complete queue */
6804 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
6805 /* Unset ELS complete queue */
6806 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
6807 /* Unset FCP response complete queue */
6808 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
6809 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
6810 /* Unset fast-path event queue */
6811 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
6812 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fp_eq
[fcp_qidx
]);
6813 /* Unset slow-path event queue */
6814 lpfc_eq_destroy(phba
, phba
->sli4_hba
.sp_eq
);
6818 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
6819 * @phba: pointer to lpfc hba data structure.
6821 * This routine is invoked to allocate and set up a pool of completion queue
6822 * events. The body of the completion queue event is a completion queue entry
6823 * CQE. For now, this pool is used for the interrupt service routine to queue
6824 * the following HBA completion queue events for the worker thread to process:
6825 * - Mailbox asynchronous events
6826 * - Receive queue completion unsolicited events
6827 * Later, this can be used for all the slow-path events.
6831 * -ENOMEM - No available memory
6834 lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*phba
)
6836 struct lpfc_cq_event
*cq_event
;
6839 for (i
= 0; i
< (4 * phba
->sli4_hba
.cq_ecount
); i
++) {
6840 cq_event
= kmalloc(sizeof(struct lpfc_cq_event
), GFP_KERNEL
);
6842 goto out_pool_create_fail
;
6843 list_add_tail(&cq_event
->list
,
6844 &phba
->sli4_hba
.sp_cqe_event_pool
);
6848 out_pool_create_fail
:
6849 lpfc_sli4_cq_event_pool_destroy(phba
);
6854 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
6855 * @phba: pointer to lpfc hba data structure.
6857 * This routine is invoked to free the pool of completion queue events at
6858 * driver unload time. Note that, it is the responsibility of the driver
6859 * cleanup routine to free all the outstanding completion-queue events
6860 * allocated from this pool back into the pool before invoking this routine
6861 * to destroy the pool.
6864 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*phba
)
6866 struct lpfc_cq_event
*cq_event
, *next_cq_event
;
6868 list_for_each_entry_safe(cq_event
, next_cq_event
,
6869 &phba
->sli4_hba
.sp_cqe_event_pool
, list
) {
6870 list_del(&cq_event
->list
);
6876 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
6877 * @phba: pointer to lpfc hba data structure.
6879 * This routine is the lock free version of the API invoked to allocate a
6880 * completion-queue event from the free pool.
6882 * Return: Pointer to the newly allocated completion-queue event if successful
6885 struct lpfc_cq_event
*
6886 __lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
6888 struct lpfc_cq_event
*cq_event
= NULL
;
6890 list_remove_head(&phba
->sli4_hba
.sp_cqe_event_pool
, cq_event
,
6891 struct lpfc_cq_event
, list
);
6896 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
6897 * @phba: pointer to lpfc hba data structure.
6899 * This routine is the lock version of the API invoked to allocate a
6900 * completion-queue event from the free pool.
6902 * Return: Pointer to the newly allocated completion-queue event if successful
6905 struct lpfc_cq_event
*
6906 lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
6908 struct lpfc_cq_event
*cq_event
;
6909 unsigned long iflags
;
6911 spin_lock_irqsave(&phba
->hbalock
, iflags
);
6912 cq_event
= __lpfc_sli4_cq_event_alloc(phba
);
6913 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
6918 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
6919 * @phba: pointer to lpfc hba data structure.
6920 * @cq_event: pointer to the completion queue event to be freed.
6922 * This routine is the lock free version of the API invoked to release a
6923 * completion-queue event back into the free pool.
6926 __lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
6927 struct lpfc_cq_event
*cq_event
)
6929 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_cqe_event_pool
);
6933 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
6934 * @phba: pointer to lpfc hba data structure.
6935 * @cq_event: pointer to the completion queue event to be freed.
6937 * This routine is the lock version of the API invoked to release a
6938 * completion-queue event back into the free pool.
6941 lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
6942 struct lpfc_cq_event
*cq_event
)
6944 unsigned long iflags
;
6945 spin_lock_irqsave(&phba
->hbalock
, iflags
);
6946 __lpfc_sli4_cq_event_release(phba
, cq_event
);
6947 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
6951 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
6952 * @phba: pointer to lpfc hba data structure.
6954 * This routine is to free all the pending completion-queue events to the
6955 * back into the free pool for device reset.
6958 lpfc_sli4_cq_event_release_all(struct lpfc_hba
*phba
)
6961 struct lpfc_cq_event
*cqe
;
6962 unsigned long iflags
;
6964 /* Retrieve all the pending WCQEs from pending WCQE lists */
6965 spin_lock_irqsave(&phba
->hbalock
, iflags
);
6966 /* Pending FCP XRI abort events */
6967 list_splice_init(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
6969 /* Pending ELS XRI abort events */
6970 list_splice_init(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
6972 /* Pending asynnc events */
6973 list_splice_init(&phba
->sli4_hba
.sp_asynce_work_queue
,
6975 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
6977 while (!list_empty(&cqelist
)) {
6978 list_remove_head(&cqelist
, cqe
, struct lpfc_cq_event
, list
);
6979 lpfc_sli4_cq_event_release(phba
, cqe
);
6984 * lpfc_pci_function_reset - Reset pci function.
6985 * @phba: pointer to lpfc hba data structure.
6987 * This routine is invoked to request a PCI function reset. It will destroys
6988 * all resources assigned to the PCI function which originates this request.
6992 * -ENOMEM - No available memory
6993 * -EIO - The mailbox failed to complete successfully.
6996 lpfc_pci_function_reset(struct lpfc_hba
*phba
)
6998 LPFC_MBOXQ_t
*mboxq
;
6999 uint32_t rc
= 0, if_type
;
7000 uint32_t shdr_status
, shdr_add_status
;
7001 uint32_t rdy_chk
, num_resets
= 0, reset_again
= 0;
7002 union lpfc_sli4_cfg_shdr
*shdr
;
7003 struct lpfc_register reg_data
;
7005 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7007 case LPFC_SLI_INTF_IF_TYPE_0
:
7008 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
7011 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7012 "0494 Unable to allocate memory for "
7013 "issuing SLI_FUNCTION_RESET mailbox "
7018 /* Setup PCI function reset mailbox-ioctl command */
7019 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7020 LPFC_MBOX_OPCODE_FUNCTION_RESET
, 0,
7021 LPFC_SLI4_MBX_EMBED
);
7022 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7023 shdr
= (union lpfc_sli4_cfg_shdr
*)
7024 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7025 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7026 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
7028 if (rc
!= MBX_TIMEOUT
)
7029 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7030 if (shdr_status
|| shdr_add_status
|| rc
) {
7031 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7032 "0495 SLI_FUNCTION_RESET mailbox "
7033 "failed with status x%x add_status x%x,"
7034 " mbx status x%x\n",
7035 shdr_status
, shdr_add_status
, rc
);
7039 case LPFC_SLI_INTF_IF_TYPE_2
:
7040 for (num_resets
= 0;
7041 num_resets
< MAX_IF_TYPE_2_RESETS
;
7044 bf_set(lpfc_sliport_ctrl_end
, ®_data
,
7045 LPFC_SLIPORT_LITTLE_ENDIAN
);
7046 bf_set(lpfc_sliport_ctrl_ip
, ®_data
,
7047 LPFC_SLIPORT_INIT_PORT
);
7048 writel(reg_data
.word0
, phba
->sli4_hba
.u
.if_type2
.
7052 * Poll the Port Status Register and wait for RDY for
7053 * up to 10 seconds. If the port doesn't respond, treat
7054 * it as an error. If the port responds with RN, start
7057 for (rdy_chk
= 0; rdy_chk
< 1000; rdy_chk
++) {
7059 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.
7060 STATUSregaddr
, ®_data
.word0
)) {
7064 if (bf_get(lpfc_sliport_status_rdy
, ®_data
))
7066 if (bf_get(lpfc_sliport_status_rn
, ®_data
)) {
7073 * If the port responds to the init request with
7074 * reset needed, delay for a bit and restart the loop.
7082 /* Detect any port errors. */
7083 if ((bf_get(lpfc_sliport_status_err
, ®_data
)) ||
7084 (rdy_chk
>= 1000)) {
7085 phba
->work_status
[0] = readl(
7086 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
7087 phba
->work_status
[1] = readl(
7088 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
7089 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7090 "2890 Port Error Detected "
7091 "during Port Reset: "
7092 "port status reg 0x%x, "
7093 "error 1=0x%x, error 2=0x%x\n",
7095 phba
->work_status
[0],
7096 phba
->work_status
[1]);
7101 * Terminate the outer loop provided the Port indicated
7102 * ready within 10 seconds.
7107 /* delay driver action following IF_TYPE_2 function reset */
7110 case LPFC_SLI_INTF_IF_TYPE_1
:
7116 /* Catch the not-ready port failure after a port reset. */
7117 if (num_resets
>= MAX_IF_TYPE_2_RESETS
)
7124 * lpfc_sli4_send_nop_mbox_cmds - Send sli-4 nop mailbox commands
7125 * @phba: pointer to lpfc hba data structure.
7126 * @cnt: number of nop mailbox commands to send.
7128 * This routine is invoked to send a number @cnt of NOP mailbox command and
7129 * wait for each command to complete.
7131 * Return: the number of NOP mailbox command completed.
7134 lpfc_sli4_send_nop_mbox_cmds(struct lpfc_hba
*phba
, uint32_t cnt
)
7136 LPFC_MBOXQ_t
*mboxq
;
7137 int length
, cmdsent
;
7140 uint32_t shdr_status
, shdr_add_status
;
7141 union lpfc_sli4_cfg_shdr
*shdr
;
7144 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7145 "2518 Requested to send 0 NOP mailbox cmd\n");
7149 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7151 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7152 "2519 Unable to allocate memory for issuing "
7153 "NOP mailbox command\n");
7157 /* Set up NOP SLI4_CONFIG mailbox-ioctl command */
7158 length
= (sizeof(struct lpfc_mbx_nop
) -
7159 sizeof(struct lpfc_sli4_cfg_mhdr
));
7160 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7161 LPFC_MBOX_OPCODE_NOP
, length
, LPFC_SLI4_MBX_EMBED
);
7163 for (cmdsent
= 0; cmdsent
< cnt
; cmdsent
++) {
7164 if (!phba
->sli4_hba
.intr_enable
)
7165 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7167 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
7168 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
7170 if (rc
== MBX_TIMEOUT
)
7172 /* Check return status */
7173 shdr
= (union lpfc_sli4_cfg_shdr
*)
7174 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7175 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7176 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
7178 if (shdr_status
|| shdr_add_status
|| rc
) {
7179 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7180 "2520 NOP mailbox command failed "
7181 "status x%x add_status x%x mbx "
7182 "status x%x\n", shdr_status
,
7183 shdr_add_status
, rc
);
7188 if (rc
!= MBX_TIMEOUT
)
7189 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7195 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
7196 * @phba: pointer to lpfc hba data structure.
7198 * This routine is invoked to set up the PCI device memory space for device
7199 * with SLI-4 interface spec.
7203 * other values - error
7206 lpfc_sli4_pci_mem_setup(struct lpfc_hba
*phba
)
7208 struct pci_dev
*pdev
;
7209 unsigned long bar0map_len
, bar1map_len
, bar2map_len
;
7210 int error
= -ENODEV
;
7213 /* Obtain PCI device reference */
7217 pdev
= phba
->pcidev
;
7219 /* Set the device DMA mask size */
7220 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
7221 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
7222 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
7223 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
7229 * The BARs and register set definitions and offset locations are
7230 * dependent on the if_type.
7232 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
,
7233 &phba
->sli4_hba
.sli_intf
.word0
)) {
7237 /* There is no SLI3 failback for SLI4 devices. */
7238 if (bf_get(lpfc_sli_intf_valid
, &phba
->sli4_hba
.sli_intf
) !=
7239 LPFC_SLI_INTF_VALID
) {
7240 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7241 "2894 SLI_INTF reg contents invalid "
7242 "sli_intf reg 0x%x\n",
7243 phba
->sli4_hba
.sli_intf
.word0
);
7247 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7249 * Get the bus address of SLI4 device Bar regions and the
7250 * number of bytes required by each mapping. The mapping of the
7251 * particular PCI BARs regions is dependent on the type of
7254 if (pci_resource_start(pdev
, 0)) {
7255 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
7256 bar0map_len
= pci_resource_len(pdev
, 0);
7259 * Map SLI4 PCI Config Space Register base to a kernel virtual
7262 phba
->sli4_hba
.conf_regs_memmap_p
=
7263 ioremap(phba
->pci_bar0_map
, bar0map_len
);
7264 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
7265 dev_printk(KERN_ERR
, &pdev
->dev
,
7266 "ioremap failed for SLI4 PCI config "
7270 /* Set up BAR0 PCI config space register memory map */
7271 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
7273 phba
->pci_bar0_map
= pci_resource_start(pdev
, 1);
7274 bar0map_len
= pci_resource_len(pdev
, 1);
7275 if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
7276 dev_printk(KERN_ERR
, &pdev
->dev
,
7277 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
7280 phba
->sli4_hba
.conf_regs_memmap_p
=
7281 ioremap(phba
->pci_bar0_map
, bar0map_len
);
7282 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
7283 dev_printk(KERN_ERR
, &pdev
->dev
,
7284 "ioremap failed for SLI4 PCI config "
7288 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
7291 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
7292 (pci_resource_start(pdev
, 2))) {
7294 * Map SLI4 if type 0 HBA Control Register base to a kernel
7295 * virtual address and setup the registers.
7297 phba
->pci_bar1_map
= pci_resource_start(pdev
, 2);
7298 bar1map_len
= pci_resource_len(pdev
, 2);
7299 phba
->sli4_hba
.ctrl_regs_memmap_p
=
7300 ioremap(phba
->pci_bar1_map
, bar1map_len
);
7301 if (!phba
->sli4_hba
.ctrl_regs_memmap_p
) {
7302 dev_printk(KERN_ERR
, &pdev
->dev
,
7303 "ioremap failed for SLI4 HBA control registers.\n");
7304 goto out_iounmap_conf
;
7306 lpfc_sli4_bar1_register_memmap(phba
);
7309 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
7310 (pci_resource_start(pdev
, 4))) {
7312 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
7313 * virtual address and setup the registers.
7315 phba
->pci_bar2_map
= pci_resource_start(pdev
, 4);
7316 bar2map_len
= pci_resource_len(pdev
, 4);
7317 phba
->sli4_hba
.drbl_regs_memmap_p
=
7318 ioremap(phba
->pci_bar2_map
, bar2map_len
);
7319 if (!phba
->sli4_hba
.drbl_regs_memmap_p
) {
7320 dev_printk(KERN_ERR
, &pdev
->dev
,
7321 "ioremap failed for SLI4 HBA doorbell registers.\n");
7322 goto out_iounmap_ctrl
;
7324 error
= lpfc_sli4_bar2_register_memmap(phba
, LPFC_VF0
);
7326 goto out_iounmap_all
;
7332 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
7334 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
7336 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
7342 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
7343 * @phba: pointer to lpfc hba data structure.
7345 * This routine is invoked to unset the PCI device memory space for device
7346 * with SLI-4 interface spec.
7349 lpfc_sli4_pci_mem_unset(struct lpfc_hba
*phba
)
7351 struct pci_dev
*pdev
;
7353 /* Obtain PCI device reference */
7357 pdev
= phba
->pcidev
;
7359 /* Free coherent DMA memory allocated */
7361 /* Unmap I/O memory space */
7362 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
7363 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
7364 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
7370 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
7371 * @phba: pointer to lpfc hba data structure.
7373 * This routine is invoked to enable the MSI-X interrupt vectors to device
7374 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
7375 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
7376 * invoked, enables either all or nothing, depending on the current
7377 * availability of PCI vector resources. The device driver is responsible
7378 * for calling the individual request_irq() to register each MSI-X vector
7379 * with a interrupt handler, which is done in this function. Note that
7380 * later when device is unloading, the driver should always call free_irq()
7381 * on all MSI-X vectors it has done request_irq() on before calling
7382 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
7383 * will be left with MSI-X enabled and leaks its vectors.
7387 * other values - error
7390 lpfc_sli_enable_msix(struct lpfc_hba
*phba
)
7395 /* Set up MSI-X multi-message vectors */
7396 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
7397 phba
->msix_entries
[i
].entry
= i
;
7399 /* Configure MSI-X capability structure */
7400 rc
= pci_enable_msix(phba
->pcidev
, phba
->msix_entries
,
7401 ARRAY_SIZE(phba
->msix_entries
));
7403 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7404 "0420 PCI enable MSI-X failed (%d)\n", rc
);
7407 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
7408 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7409 "0477 MSI-X entry[%d]: vector=x%x "
7411 phba
->msix_entries
[i
].vector
,
7412 phba
->msix_entries
[i
].entry
);
7414 * Assign MSI-X vectors to interrupt handlers
7417 /* vector-0 is associated to slow-path handler */
7418 rc
= request_irq(phba
->msix_entries
[0].vector
,
7419 &lpfc_sli_sp_intr_handler
, IRQF_SHARED
,
7420 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
7422 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7423 "0421 MSI-X slow-path request_irq failed "
7428 /* vector-1 is associated to fast-path handler */
7429 rc
= request_irq(phba
->msix_entries
[1].vector
,
7430 &lpfc_sli_fp_intr_handler
, IRQF_SHARED
,
7431 LPFC_FP_DRIVER_HANDLER_NAME
, phba
);
7434 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7435 "0429 MSI-X fast-path request_irq failed "
7441 * Configure HBA MSI-X attention conditions to messages
7443 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7447 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7448 "0474 Unable to allocate memory for issuing "
7449 "MBOX_CONFIG_MSI command\n");
7452 rc
= lpfc_config_msi(phba
, pmb
);
7455 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
7456 if (rc
!= MBX_SUCCESS
) {
7457 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
7458 "0351 Config MSI mailbox command failed, "
7459 "mbxCmd x%x, mbxStatus x%x\n",
7460 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
);
7464 /* Free memory allocated for mailbox command */
7465 mempool_free(pmb
, phba
->mbox_mem_pool
);
7469 /* Free memory allocated for mailbox command */
7470 mempool_free(pmb
, phba
->mbox_mem_pool
);
7473 /* free the irq already requested */
7474 free_irq(phba
->msix_entries
[1].vector
, phba
);
7477 /* free the irq already requested */
7478 free_irq(phba
->msix_entries
[0].vector
, phba
);
7481 /* Unconfigure MSI-X capability structure */
7482 pci_disable_msix(phba
->pcidev
);
7487 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
7488 * @phba: pointer to lpfc hba data structure.
7490 * This routine is invoked to release the MSI-X vectors and then disable the
7491 * MSI-X interrupt mode to device with SLI-3 interface spec.
7494 lpfc_sli_disable_msix(struct lpfc_hba
*phba
)
7498 /* Free up MSI-X multi-message vectors */
7499 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
7500 free_irq(phba
->msix_entries
[i
].vector
, phba
);
7502 pci_disable_msix(phba
->pcidev
);
7508 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
7509 * @phba: pointer to lpfc hba data structure.
7511 * This routine is invoked to enable the MSI interrupt mode to device with
7512 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
7513 * enable the MSI vector. The device driver is responsible for calling the
7514 * request_irq() to register MSI vector with a interrupt the handler, which
7515 * is done in this function.
7519 * other values - error
7522 lpfc_sli_enable_msi(struct lpfc_hba
*phba
)
7526 rc
= pci_enable_msi(phba
->pcidev
);
7528 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7529 "0462 PCI enable MSI mode success.\n");
7531 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7532 "0471 PCI enable MSI mode failed (%d)\n", rc
);
7536 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
7537 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
7539 pci_disable_msi(phba
->pcidev
);
7540 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7541 "0478 MSI request_irq failed (%d)\n", rc
);
7547 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
7548 * @phba: pointer to lpfc hba data structure.
7550 * This routine is invoked to disable the MSI interrupt mode to device with
7551 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
7552 * done request_irq() on before calling pci_disable_msi(). Failure to do so
7553 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
7557 lpfc_sli_disable_msi(struct lpfc_hba
*phba
)
7559 free_irq(phba
->pcidev
->irq
, phba
);
7560 pci_disable_msi(phba
->pcidev
);
7565 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
7566 * @phba: pointer to lpfc hba data structure.
7568 * This routine is invoked to enable device interrupt and associate driver's
7569 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
7570 * spec. Depends on the interrupt mode configured to the driver, the driver
7571 * will try to fallback from the configured interrupt mode to an interrupt
7572 * mode which is supported by the platform, kernel, and device in the order
7574 * MSI-X -> MSI -> IRQ.
7578 * other values - error
7581 lpfc_sli_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
7583 uint32_t intr_mode
= LPFC_INTR_ERROR
;
7586 if (cfg_mode
== 2) {
7587 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
7588 retval
= lpfc_sli_config_port(phba
, LPFC_SLI_REV3
);
7590 /* Now, try to enable MSI-X interrupt mode */
7591 retval
= lpfc_sli_enable_msix(phba
);
7593 /* Indicate initialization to MSI-X mode */
7594 phba
->intr_type
= MSIX
;
7600 /* Fallback to MSI if MSI-X initialization failed */
7601 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
7602 retval
= lpfc_sli_enable_msi(phba
);
7604 /* Indicate initialization to MSI mode */
7605 phba
->intr_type
= MSI
;
7610 /* Fallback to INTx if both MSI-X/MSI initalization failed */
7611 if (phba
->intr_type
== NONE
) {
7612 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
7613 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
7615 /* Indicate initialization to INTx mode */
7616 phba
->intr_type
= INTx
;
7624 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
7625 * @phba: pointer to lpfc hba data structure.
7627 * This routine is invoked to disable device interrupt and disassociate the
7628 * driver's interrupt handler(s) from interrupt vector(s) to device with
7629 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
7630 * release the interrupt vector(s) for the message signaled interrupt.
7633 lpfc_sli_disable_intr(struct lpfc_hba
*phba
)
7635 /* Disable the currently initialized interrupt mode */
7636 if (phba
->intr_type
== MSIX
)
7637 lpfc_sli_disable_msix(phba
);
7638 else if (phba
->intr_type
== MSI
)
7639 lpfc_sli_disable_msi(phba
);
7640 else if (phba
->intr_type
== INTx
)
7641 free_irq(phba
->pcidev
->irq
, phba
);
7643 /* Reset interrupt management states */
7644 phba
->intr_type
= NONE
;
7645 phba
->sli
.slistat
.sli_intr
= 0;
7651 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
7652 * @phba: pointer to lpfc hba data structure.
7654 * This routine is invoked to enable the MSI-X interrupt vectors to device
7655 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
7656 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
7657 * enables either all or nothing, depending on the current availability of
7658 * PCI vector resources. The device driver is responsible for calling the
7659 * individual request_irq() to register each MSI-X vector with a interrupt
7660 * handler, which is done in this function. Note that later when device is
7661 * unloading, the driver should always call free_irq() on all MSI-X vectors
7662 * it has done request_irq() on before calling pci_disable_msix(). Failure
7663 * to do so results in a BUG_ON() and a device will be left with MSI-X
7664 * enabled and leaks its vectors.
7668 * other values - error
7671 lpfc_sli4_enable_msix(struct lpfc_hba
*phba
)
7673 int vectors
, rc
, index
;
7675 /* Set up MSI-X multi-message vectors */
7676 for (index
= 0; index
< phba
->sli4_hba
.cfg_eqn
; index
++)
7677 phba
->sli4_hba
.msix_entries
[index
].entry
= index
;
7679 /* Configure MSI-X capability structure */
7680 vectors
= phba
->sli4_hba
.cfg_eqn
;
7681 enable_msix_vectors
:
7682 rc
= pci_enable_msix(phba
->pcidev
, phba
->sli4_hba
.msix_entries
,
7686 goto enable_msix_vectors
;
7688 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7689 "0484 PCI enable MSI-X failed (%d)\n", rc
);
7693 /* Log MSI-X vector assignment */
7694 for (index
= 0; index
< vectors
; index
++)
7695 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7696 "0489 MSI-X entry[%d]: vector=x%x "
7697 "message=%d\n", index
,
7698 phba
->sli4_hba
.msix_entries
[index
].vector
,
7699 phba
->sli4_hba
.msix_entries
[index
].entry
);
7701 * Assign MSI-X vectors to interrupt handlers
7704 rc
= request_irq(phba
->sli4_hba
.msix_entries
[0].vector
,
7705 &lpfc_sli4_sp_intr_handler
, IRQF_SHARED
,
7706 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
7708 /* All Interrupts need to be handled by one EQ */
7709 rc
= request_irq(phba
->sli4_hba
.msix_entries
[0].vector
,
7710 &lpfc_sli4_intr_handler
, IRQF_SHARED
,
7711 LPFC_DRIVER_NAME
, phba
);
7713 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7714 "0485 MSI-X slow-path request_irq failed "
7719 /* The rest of the vector(s) are associated to fast-path handler(s) */
7720 for (index
= 1; index
< vectors
; index
++) {
7721 phba
->sli4_hba
.fcp_eq_hdl
[index
- 1].idx
= index
- 1;
7722 phba
->sli4_hba
.fcp_eq_hdl
[index
- 1].phba
= phba
;
7723 rc
= request_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
7724 &lpfc_sli4_fp_intr_handler
, IRQF_SHARED
,
7725 LPFC_FP_DRIVER_HANDLER_NAME
,
7726 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
7728 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7729 "0486 MSI-X fast-path (%d) "
7730 "request_irq failed (%d)\n", index
, rc
);
7734 phba
->sli4_hba
.msix_vec_nr
= vectors
;
7739 /* free the irq already requested */
7740 for (--index
; index
>= 1; index
--)
7741 free_irq(phba
->sli4_hba
.msix_entries
[index
- 1].vector
,
7742 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
7744 /* free the irq already requested */
7745 free_irq(phba
->sli4_hba
.msix_entries
[0].vector
, phba
);
7748 /* Unconfigure MSI-X capability structure */
7749 pci_disable_msix(phba
->pcidev
);
7754 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
7755 * @phba: pointer to lpfc hba data structure.
7757 * This routine is invoked to release the MSI-X vectors and then disable the
7758 * MSI-X interrupt mode to device with SLI-4 interface spec.
7761 lpfc_sli4_disable_msix(struct lpfc_hba
*phba
)
7765 /* Free up MSI-X multi-message vectors */
7766 free_irq(phba
->sli4_hba
.msix_entries
[0].vector
, phba
);
7768 for (index
= 1; index
< phba
->sli4_hba
.msix_vec_nr
; index
++)
7769 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
7770 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
7773 pci_disable_msix(phba
->pcidev
);
7779 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
7780 * @phba: pointer to lpfc hba data structure.
7782 * This routine is invoked to enable the MSI interrupt mode to device with
7783 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
7784 * to enable the MSI vector. The device driver is responsible for calling
7785 * the request_irq() to register MSI vector with a interrupt the handler,
7786 * which is done in this function.
7790 * other values - error
7793 lpfc_sli4_enable_msi(struct lpfc_hba
*phba
)
7797 rc
= pci_enable_msi(phba
->pcidev
);
7799 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7800 "0487 PCI enable MSI mode success.\n");
7802 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7803 "0488 PCI enable MSI mode failed (%d)\n", rc
);
7807 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
7808 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
7810 pci_disable_msi(phba
->pcidev
);
7811 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7812 "0490 MSI request_irq failed (%d)\n", rc
);
7816 for (index
= 0; index
< phba
->cfg_fcp_eq_count
; index
++) {
7817 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
7818 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
7825 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
7826 * @phba: pointer to lpfc hba data structure.
7828 * This routine is invoked to disable the MSI interrupt mode to device with
7829 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
7830 * done request_irq() on before calling pci_disable_msi(). Failure to do so
7831 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
7835 lpfc_sli4_disable_msi(struct lpfc_hba
*phba
)
7837 free_irq(phba
->pcidev
->irq
, phba
);
7838 pci_disable_msi(phba
->pcidev
);
7843 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
7844 * @phba: pointer to lpfc hba data structure.
7846 * This routine is invoked to enable device interrupt and associate driver's
7847 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
7848 * interface spec. Depends on the interrupt mode configured to the driver,
7849 * the driver will try to fallback from the configured interrupt mode to an
7850 * interrupt mode which is supported by the platform, kernel, and device in
7852 * MSI-X -> MSI -> IRQ.
7856 * other values - error
7859 lpfc_sli4_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
7861 uint32_t intr_mode
= LPFC_INTR_ERROR
;
7864 if (cfg_mode
== 2) {
7865 /* Preparation before conf_msi mbox cmd */
7868 /* Now, try to enable MSI-X interrupt mode */
7869 retval
= lpfc_sli4_enable_msix(phba
);
7871 /* Indicate initialization to MSI-X mode */
7872 phba
->intr_type
= MSIX
;
7878 /* Fallback to MSI if MSI-X initialization failed */
7879 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
7880 retval
= lpfc_sli4_enable_msi(phba
);
7882 /* Indicate initialization to MSI mode */
7883 phba
->intr_type
= MSI
;
7888 /* Fallback to INTx if both MSI-X/MSI initalization failed */
7889 if (phba
->intr_type
== NONE
) {
7890 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
7891 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
7893 /* Indicate initialization to INTx mode */
7894 phba
->intr_type
= INTx
;
7896 for (index
= 0; index
< phba
->cfg_fcp_eq_count
;
7898 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
7899 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
7907 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
7908 * @phba: pointer to lpfc hba data structure.
7910 * This routine is invoked to disable device interrupt and disassociate
7911 * the driver's interrupt handler(s) from interrupt vector(s) to device
7912 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
7913 * will release the interrupt vector(s) for the message signaled interrupt.
7916 lpfc_sli4_disable_intr(struct lpfc_hba
*phba
)
7918 /* Disable the currently initialized interrupt mode */
7919 if (phba
->intr_type
== MSIX
)
7920 lpfc_sli4_disable_msix(phba
);
7921 else if (phba
->intr_type
== MSI
)
7922 lpfc_sli4_disable_msi(phba
);
7923 else if (phba
->intr_type
== INTx
)
7924 free_irq(phba
->pcidev
->irq
, phba
);
7926 /* Reset interrupt management states */
7927 phba
->intr_type
= NONE
;
7928 phba
->sli
.slistat
.sli_intr
= 0;
7934 * lpfc_unset_hba - Unset SLI3 hba device initialization
7935 * @phba: pointer to lpfc hba data structure.
7937 * This routine is invoked to unset the HBA device initialization steps to
7938 * a device with SLI-3 interface spec.
7941 lpfc_unset_hba(struct lpfc_hba
*phba
)
7943 struct lpfc_vport
*vport
= phba
->pport
;
7944 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
7946 spin_lock_irq(shost
->host_lock
);
7947 vport
->load_flag
|= FC_UNLOADING
;
7948 spin_unlock_irq(shost
->host_lock
);
7950 lpfc_stop_hba_timers(phba
);
7952 phba
->pport
->work_port_events
= 0;
7954 lpfc_sli_hba_down(phba
);
7956 lpfc_sli_brdrestart(phba
);
7958 lpfc_sli_disable_intr(phba
);
7964 * lpfc_sli4_unset_hba - Unset SLI4 hba device initialization.
7965 * @phba: pointer to lpfc hba data structure.
7967 * This routine is invoked to unset the HBA device initialization steps to
7968 * a device with SLI-4 interface spec.
7971 lpfc_sli4_unset_hba(struct lpfc_hba
*phba
)
7973 struct lpfc_vport
*vport
= phba
->pport
;
7974 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
7976 spin_lock_irq(shost
->host_lock
);
7977 vport
->load_flag
|= FC_UNLOADING
;
7978 spin_unlock_irq(shost
->host_lock
);
7980 phba
->pport
->work_port_events
= 0;
7982 /* Stop the SLI4 device port */
7983 lpfc_stop_port(phba
);
7985 lpfc_sli4_disable_intr(phba
);
7987 /* Reset SLI4 HBA FCoE function */
7988 lpfc_pci_function_reset(phba
);
7994 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
7995 * @phba: Pointer to HBA context object.
7997 * This function is called in the SLI4 code path to wait for completion
7998 * of device's XRIs exchange busy. It will check the XRI exchange busy
7999 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
8000 * that, it will check the XRI exchange busy on outstanding FCP and ELS
8001 * I/Os every 30 seconds, log error message, and wait forever. Only when
8002 * all XRI exchange busy complete, the driver unload shall proceed with
8003 * invoking the function reset ioctl mailbox command to the CNA and the
8004 * the rest of the driver unload resource release.
8007 lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba
*phba
)
8010 int fcp_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
8011 int els_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
8013 while (!fcp_xri_cmpl
|| !els_xri_cmpl
) {
8014 if (wait_time
> LPFC_XRI_EXCH_BUSY_WAIT_TMO
) {
8016 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8017 "2877 FCP XRI exchange busy "
8018 "wait time: %d seconds.\n",
8021 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8022 "2878 ELS XRI exchange busy "
8023 "wait time: %d seconds.\n",
8025 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2
);
8026 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T2
;
8028 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1
);
8029 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T1
;
8032 list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
8034 list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
8039 * lpfc_sli4_hba_unset - Unset the fcoe hba
8040 * @phba: Pointer to HBA context object.
8042 * This function is called in the SLI4 code path to reset the HBA's FCoE
8043 * function. The caller is not required to hold any lock. This routine
8044 * issues PCI function reset mailbox command to reset the FCoE function.
8045 * At the end of the function, it calls lpfc_hba_down_post function to
8046 * free any pending commands.
8049 lpfc_sli4_hba_unset(struct lpfc_hba
*phba
)
8052 LPFC_MBOXQ_t
*mboxq
;
8053 struct pci_dev
*pdev
= phba
->pcidev
;
8055 lpfc_stop_hba_timers(phba
);
8056 phba
->sli4_hba
.intr_enable
= 0;
8059 * Gracefully wait out the potential current outstanding asynchronous
8063 /* First, block any pending async mailbox command from posted */
8064 spin_lock_irq(&phba
->hbalock
);
8065 phba
->sli
.sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
8066 spin_unlock_irq(&phba
->hbalock
);
8067 /* Now, trying to wait it out if we can */
8068 while (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
8070 if (++wait_cnt
> LPFC_ACTIVE_MBOX_WAIT_CNT
)
8073 /* Forcefully release the outstanding mailbox command if timed out */
8074 if (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
8075 spin_lock_irq(&phba
->hbalock
);
8076 mboxq
= phba
->sli
.mbox_active
;
8077 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
8078 __lpfc_mbox_cmpl_put(phba
, mboxq
);
8079 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
8080 phba
->sli
.mbox_active
= NULL
;
8081 spin_unlock_irq(&phba
->hbalock
);
8084 /* Abort all iocbs associated with the hba */
8085 lpfc_sli_hba_iocb_abort(phba
);
8087 /* Wait for completion of device XRI exchange busy */
8088 lpfc_sli4_xri_exchange_busy_wait(phba
);
8090 /* Disable PCI subsystem interrupt */
8091 lpfc_sli4_disable_intr(phba
);
8093 /* Disable SR-IOV if enabled */
8094 if (phba
->cfg_sriov_nr_virtfn
)
8095 pci_disable_sriov(pdev
);
8097 /* Stop kthread signal shall trigger work_done one more time */
8098 kthread_stop(phba
->worker_thread
);
8100 /* Reset SLI4 HBA FCoE function */
8101 lpfc_pci_function_reset(phba
);
8103 /* Stop the SLI4 device port */
8104 phba
->pport
->work_port_events
= 0;
8108 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
8109 * @phba: Pointer to HBA context object.
8110 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8112 * This function is called in the SLI4 code path to read the port's
8113 * sli4 capabilities.
8115 * This function may be be called from any context that can block-wait
8116 * for the completion. The expectation is that this routine is called
8117 * typically from probe_one or from the online routine.
8120 lpfc_pc_sli4_params_get(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
8123 struct lpfc_mqe
*mqe
;
8124 struct lpfc_pc_sli4_params
*sli4_params
;
8128 mqe
= &mboxq
->u
.mqe
;
8130 /* Read the port's SLI4 Parameters port capabilities */
8131 lpfc_pc_sli4_params(mboxq
);
8132 if (!phba
->sli4_hba
.intr_enable
)
8133 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8135 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
8136 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
8142 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
8143 sli4_params
->if_type
= bf_get(if_type
, &mqe
->un
.sli4_params
);
8144 sli4_params
->sli_rev
= bf_get(sli_rev
, &mqe
->un
.sli4_params
);
8145 sli4_params
->sli_family
= bf_get(sli_family
, &mqe
->un
.sli4_params
);
8146 sli4_params
->featurelevel_1
= bf_get(featurelevel_1
,
8147 &mqe
->un
.sli4_params
);
8148 sli4_params
->featurelevel_2
= bf_get(featurelevel_2
,
8149 &mqe
->un
.sli4_params
);
8150 sli4_params
->proto_types
= mqe
->un
.sli4_params
.word3
;
8151 sli4_params
->sge_supp_len
= mqe
->un
.sli4_params
.sge_supp_len
;
8152 sli4_params
->if_page_sz
= bf_get(if_page_sz
, &mqe
->un
.sli4_params
);
8153 sli4_params
->rq_db_window
= bf_get(rq_db_window
, &mqe
->un
.sli4_params
);
8154 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, &mqe
->un
.sli4_params
);
8155 sli4_params
->eq_pages_max
= bf_get(eq_pages
, &mqe
->un
.sli4_params
);
8156 sli4_params
->eqe_size
= bf_get(eqe_size
, &mqe
->un
.sli4_params
);
8157 sli4_params
->cq_pages_max
= bf_get(cq_pages
, &mqe
->un
.sli4_params
);
8158 sli4_params
->cqe_size
= bf_get(cqe_size
, &mqe
->un
.sli4_params
);
8159 sli4_params
->mq_pages_max
= bf_get(mq_pages
, &mqe
->un
.sli4_params
);
8160 sli4_params
->mqe_size
= bf_get(mqe_size
, &mqe
->un
.sli4_params
);
8161 sli4_params
->mq_elem_cnt
= bf_get(mq_elem_cnt
, &mqe
->un
.sli4_params
);
8162 sli4_params
->wq_pages_max
= bf_get(wq_pages
, &mqe
->un
.sli4_params
);
8163 sli4_params
->wqe_size
= bf_get(wqe_size
, &mqe
->un
.sli4_params
);
8164 sli4_params
->rq_pages_max
= bf_get(rq_pages
, &mqe
->un
.sli4_params
);
8165 sli4_params
->rqe_size
= bf_get(rqe_size
, &mqe
->un
.sli4_params
);
8166 sli4_params
->hdr_pages_max
= bf_get(hdr_pages
, &mqe
->un
.sli4_params
);
8167 sli4_params
->hdr_size
= bf_get(hdr_size
, &mqe
->un
.sli4_params
);
8168 sli4_params
->hdr_pp_align
= bf_get(hdr_pp_align
, &mqe
->un
.sli4_params
);
8169 sli4_params
->sgl_pages_max
= bf_get(sgl_pages
, &mqe
->un
.sli4_params
);
8170 sli4_params
->sgl_pp_align
= bf_get(sgl_pp_align
, &mqe
->un
.sli4_params
);
8172 /* Make sure that sge_supp_len can be handled by the driver */
8173 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
8174 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
8180 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
8181 * @phba: Pointer to HBA context object.
8182 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8184 * This function is called in the SLI4 code path to read the port's
8185 * sli4 capabilities.
8187 * This function may be be called from any context that can block-wait
8188 * for the completion. The expectation is that this routine is called
8189 * typically from probe_one or from the online routine.
8192 lpfc_get_sli4_parameters(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
8195 struct lpfc_mqe
*mqe
= &mboxq
->u
.mqe
;
8196 struct lpfc_pc_sli4_params
*sli4_params
;
8199 struct lpfc_sli4_parameters
*mbx_sli4_parameters
;
8202 * By default, the driver assumes the SLI4 port requires RPI
8203 * header postings. The SLI4_PARAM response will correct this
8206 phba
->sli4_hba
.rpi_hdrs_in_use
= 1;
8208 /* Read the port's SLI4 Config Parameters */
8209 length
= (sizeof(struct lpfc_mbx_get_sli4_parameters
) -
8210 sizeof(struct lpfc_sli4_cfg_mhdr
));
8211 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
8212 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS
,
8213 length
, LPFC_SLI4_MBX_EMBED
);
8214 if (!phba
->sli4_hba
.intr_enable
)
8215 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8217 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
8218 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
8222 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
8223 mbx_sli4_parameters
= &mqe
->un
.get_sli4_parameters
.sli4_parameters
;
8224 sli4_params
->if_type
= bf_get(cfg_if_type
, mbx_sli4_parameters
);
8225 sli4_params
->sli_rev
= bf_get(cfg_sli_rev
, mbx_sli4_parameters
);
8226 sli4_params
->sli_family
= bf_get(cfg_sli_family
, mbx_sli4_parameters
);
8227 sli4_params
->featurelevel_1
= bf_get(cfg_sli_hint_1
,
8228 mbx_sli4_parameters
);
8229 sli4_params
->featurelevel_2
= bf_get(cfg_sli_hint_2
,
8230 mbx_sli4_parameters
);
8231 if (bf_get(cfg_phwq
, mbx_sli4_parameters
))
8232 phba
->sli3_options
|= LPFC_SLI4_PHWQ_ENABLED
;
8234 phba
->sli3_options
&= ~LPFC_SLI4_PHWQ_ENABLED
;
8235 sli4_params
->sge_supp_len
= mbx_sli4_parameters
->sge_supp_len
;
8236 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, mbx_sli4_parameters
);
8237 sli4_params
->cqv
= bf_get(cfg_cqv
, mbx_sli4_parameters
);
8238 sli4_params
->mqv
= bf_get(cfg_mqv
, mbx_sli4_parameters
);
8239 sli4_params
->wqv
= bf_get(cfg_wqv
, mbx_sli4_parameters
);
8240 sli4_params
->rqv
= bf_get(cfg_rqv
, mbx_sli4_parameters
);
8241 sli4_params
->sgl_pages_max
= bf_get(cfg_sgl_page_cnt
,
8242 mbx_sli4_parameters
);
8243 sli4_params
->sgl_pp_align
= bf_get(cfg_sgl_pp_align
,
8244 mbx_sli4_parameters
);
8245 phba
->sli4_hba
.extents_in_use
= bf_get(cfg_ext
, mbx_sli4_parameters
);
8246 phba
->sli4_hba
.rpi_hdrs_in_use
= bf_get(cfg_hdrr
, mbx_sli4_parameters
);
8248 /* Make sure that sge_supp_len can be handled by the driver */
8249 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
8250 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
8256 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
8257 * @pdev: pointer to PCI device
8258 * @pid: pointer to PCI device identifier
8260 * This routine is to be called to attach a device with SLI-3 interface spec
8261 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8262 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
8263 * information of the device and driver to see if the driver state that it can
8264 * support this kind of device. If the match is successful, the driver core
8265 * invokes this routine. If this routine determines it can claim the HBA, it
8266 * does all the initialization that it needs to do to handle the HBA properly.
8269 * 0 - driver can claim the device
8270 * negative value - driver can not claim the device
8272 static int __devinit
8273 lpfc_pci_probe_one_s3(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
8275 struct lpfc_hba
*phba
;
8276 struct lpfc_vport
*vport
= NULL
;
8277 struct Scsi_Host
*shost
= NULL
;
8279 uint32_t cfg_mode
, intr_mode
;
8281 /* Allocate memory for HBA structure */
8282 phba
= lpfc_hba_alloc(pdev
);
8286 /* Perform generic PCI device enabling operation */
8287 error
= lpfc_enable_pci_dev(phba
);
8291 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
8292 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_LP
);
8294 goto out_disable_pci_dev
;
8296 /* Set up SLI-3 specific device PCI memory space */
8297 error
= lpfc_sli_pci_mem_setup(phba
);
8299 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8300 "1402 Failed to set up pci memory space.\n");
8301 goto out_disable_pci_dev
;
8304 /* Set up phase-1 common device driver resources */
8305 error
= lpfc_setup_driver_resource_phase1(phba
);
8307 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8308 "1403 Failed to set up driver resource.\n");
8309 goto out_unset_pci_mem_s3
;
8312 /* Set up SLI-3 specific device driver resources */
8313 error
= lpfc_sli_driver_resource_setup(phba
);
8315 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8316 "1404 Failed to set up driver resource.\n");
8317 goto out_unset_pci_mem_s3
;
8320 /* Initialize and populate the iocb list per host */
8321 error
= lpfc_init_iocb_list(phba
, LPFC_IOCB_LIST_CNT
);
8323 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8324 "1405 Failed to initialize iocb list.\n");
8325 goto out_unset_driver_resource_s3
;
8328 /* Set up common device driver resources */
8329 error
= lpfc_setup_driver_resource_phase2(phba
);
8331 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8332 "1406 Failed to set up driver resource.\n");
8333 goto out_free_iocb_list
;
8336 /* Get the default values for Model Name and Description */
8337 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
8339 /* Create SCSI host to the physical port */
8340 error
= lpfc_create_shost(phba
);
8342 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8343 "1407 Failed to create scsi host.\n");
8344 goto out_unset_driver_resource
;
8347 /* Configure sysfs attributes */
8348 vport
= phba
->pport
;
8349 error
= lpfc_alloc_sysfs_attr(vport
);
8351 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8352 "1476 Failed to allocate sysfs attr\n");
8353 goto out_destroy_shost
;
8356 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
8357 /* Now, trying to enable interrupt and bring up the device */
8358 cfg_mode
= phba
->cfg_use_msi
;
8360 /* Put device to a known state before enabling interrupt */
8361 lpfc_stop_port(phba
);
8362 /* Configure and enable interrupt */
8363 intr_mode
= lpfc_sli_enable_intr(phba
, cfg_mode
);
8364 if (intr_mode
== LPFC_INTR_ERROR
) {
8365 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8366 "0431 Failed to enable interrupt.\n");
8368 goto out_free_sysfs_attr
;
8370 /* SLI-3 HBA setup */
8371 if (lpfc_sli_hba_setup(phba
)) {
8372 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8373 "1477 Failed to set up hba\n");
8375 goto out_remove_device
;
8378 /* Wait 50ms for the interrupts of previous mailbox commands */
8380 /* Check active interrupts on message signaled interrupts */
8381 if (intr_mode
== 0 ||
8382 phba
->sli
.slistat
.sli_intr
> LPFC_MSIX_VECTORS
) {
8383 /* Log the current active interrupt mode */
8384 phba
->intr_mode
= intr_mode
;
8385 lpfc_log_intr_mode(phba
, intr_mode
);
8388 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8389 "0447 Configure interrupt mode (%d) "
8390 "failed active interrupt test.\n",
8392 /* Disable the current interrupt mode */
8393 lpfc_sli_disable_intr(phba
);
8394 /* Try next level of interrupt mode */
8395 cfg_mode
= --intr_mode
;
8399 /* Perform post initialization setup */
8400 lpfc_post_init_setup(phba
);
8402 /* Check if there are static vports to be created. */
8403 lpfc_create_static_vport(phba
);
8408 lpfc_unset_hba(phba
);
8409 out_free_sysfs_attr
:
8410 lpfc_free_sysfs_attr(vport
);
8412 lpfc_destroy_shost(phba
);
8413 out_unset_driver_resource
:
8414 lpfc_unset_driver_resource_phase2(phba
);
8416 lpfc_free_iocb_list(phba
);
8417 out_unset_driver_resource_s3
:
8418 lpfc_sli_driver_resource_unset(phba
);
8419 out_unset_pci_mem_s3
:
8420 lpfc_sli_pci_mem_unset(phba
);
8421 out_disable_pci_dev
:
8422 lpfc_disable_pci_dev(phba
);
8424 scsi_host_put(shost
);
8426 lpfc_hba_free(phba
);
8431 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
8432 * @pdev: pointer to PCI device
8434 * This routine is to be called to disattach a device with SLI-3 interface
8435 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8436 * removed from PCI bus, it performs all the necessary cleanup for the HBA
8437 * device to be removed from the PCI subsystem properly.
8439 static void __devexit
8440 lpfc_pci_remove_one_s3(struct pci_dev
*pdev
)
8442 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8443 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
8444 struct lpfc_vport
**vports
;
8445 struct lpfc_hba
*phba
= vport
->phba
;
8447 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
8449 spin_lock_irq(&phba
->hbalock
);
8450 vport
->load_flag
|= FC_UNLOADING
;
8451 spin_unlock_irq(&phba
->hbalock
);
8453 lpfc_free_sysfs_attr(vport
);
8455 /* Release all the vports against this physical port */
8456 vports
= lpfc_create_vport_work_array(phba
);
8458 for (i
= 1; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
8459 fc_vport_terminate(vports
[i
]->fc_vport
);
8460 lpfc_destroy_vport_work_array(phba
, vports
);
8462 /* Remove FC host and then SCSI host with the physical port */
8463 fc_remove_host(shost
);
8464 scsi_remove_host(shost
);
8465 lpfc_cleanup(vport
);
8468 * Bring down the SLI Layer. This step disable all interrupts,
8469 * clears the rings, discards all mailbox commands, and resets
8473 /* HBA interrupt will be disabled after this call */
8474 lpfc_sli_hba_down(phba
);
8475 /* Stop kthread signal shall trigger work_done one more time */
8476 kthread_stop(phba
->worker_thread
);
8477 /* Final cleanup of txcmplq and reset the HBA */
8478 lpfc_sli_brdrestart(phba
);
8480 lpfc_stop_hba_timers(phba
);
8481 spin_lock_irq(&phba
->hbalock
);
8482 list_del_init(&vport
->listentry
);
8483 spin_unlock_irq(&phba
->hbalock
);
8485 lpfc_debugfs_terminate(vport
);
8487 /* Disable SR-IOV if enabled */
8488 if (phba
->cfg_sriov_nr_virtfn
)
8489 pci_disable_sriov(pdev
);
8491 /* Disable interrupt */
8492 lpfc_sli_disable_intr(phba
);
8494 pci_set_drvdata(pdev
, NULL
);
8495 scsi_host_put(shost
);
8498 * Call scsi_free before mem_free since scsi bufs are released to their
8499 * corresponding pools here.
8501 lpfc_scsi_free(phba
);
8502 lpfc_mem_free_all(phba
);
8504 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
8505 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
8507 /* Free resources associated with SLI2 interface */
8508 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
8509 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
8511 /* unmap adapter SLIM and Control Registers */
8512 iounmap(phba
->ctrl_regs_memmap_p
);
8513 iounmap(phba
->slim_memmap_p
);
8515 lpfc_hba_free(phba
);
8517 pci_release_selected_regions(pdev
, bars
);
8518 pci_disable_device(pdev
);
8522 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
8523 * @pdev: pointer to PCI device
8524 * @msg: power management message
8526 * This routine is to be called from the kernel's PCI subsystem to support
8527 * system Power Management (PM) to device with SLI-3 interface spec. When
8528 * PM invokes this method, it quiesces the device by stopping the driver's
8529 * worker thread for the device, turning off device's interrupt and DMA,
8530 * and bring the device offline. Note that as the driver implements the
8531 * minimum PM requirements to a power-aware driver's PM support for the
8532 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
8533 * to the suspend() method call will be treated as SUSPEND and the driver will
8534 * fully reinitialize its device during resume() method call, the driver will
8535 * set device to PCI_D3hot state in PCI config space instead of setting it
8536 * according to the @msg provided by the PM.
8539 * 0 - driver suspended the device
8543 lpfc_pci_suspend_one_s3(struct pci_dev
*pdev
, pm_message_t msg
)
8545 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8546 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8548 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8549 "0473 PCI device Power Management suspend.\n");
8551 /* Bring down the device */
8552 lpfc_offline_prep(phba
);
8554 kthread_stop(phba
->worker_thread
);
8556 /* Disable interrupt from device */
8557 lpfc_sli_disable_intr(phba
);
8559 /* Save device state to PCI config space */
8560 pci_save_state(pdev
);
8561 pci_set_power_state(pdev
, PCI_D3hot
);
8567 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
8568 * @pdev: pointer to PCI device
8570 * This routine is to be called from the kernel's PCI subsystem to support
8571 * system Power Management (PM) to device with SLI-3 interface spec. When PM
8572 * invokes this method, it restores the device's PCI config space state and
8573 * fully reinitializes the device and brings it online. Note that as the
8574 * driver implements the minimum PM requirements to a power-aware driver's
8575 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
8576 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
8577 * driver will fully reinitialize its device during resume() method call,
8578 * the device will be set to PCI_D0 directly in PCI config space before
8579 * restoring the state.
8582 * 0 - driver suspended the device
8586 lpfc_pci_resume_one_s3(struct pci_dev
*pdev
)
8588 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8589 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8593 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8594 "0452 PCI device Power Management resume.\n");
8596 /* Restore device state from PCI config space */
8597 pci_set_power_state(pdev
, PCI_D0
);
8598 pci_restore_state(pdev
);
8601 * As the new kernel behavior of pci_restore_state() API call clears
8602 * device saved_state flag, need to save the restored state again.
8604 pci_save_state(pdev
);
8606 if (pdev
->is_busmaster
)
8607 pci_set_master(pdev
);
8609 /* Startup the kernel thread for this host adapter. */
8610 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
8611 "lpfc_worker_%d", phba
->brd_no
);
8612 if (IS_ERR(phba
->worker_thread
)) {
8613 error
= PTR_ERR(phba
->worker_thread
);
8614 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8615 "0434 PM resume failed to start worker "
8616 "thread: error=x%x.\n", error
);
8620 /* Configure and enable interrupt */
8621 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
8622 if (intr_mode
== LPFC_INTR_ERROR
) {
8623 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8624 "0430 PM resume Failed to enable interrupt\n");
8627 phba
->intr_mode
= intr_mode
;
8629 /* Restart HBA and bring it online */
8630 lpfc_sli_brdrestart(phba
);
8633 /* Log the current active interrupt mode */
8634 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
8640 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
8641 * @phba: pointer to lpfc hba data structure.
8643 * This routine is called to prepare the SLI3 device for PCI slot recover. It
8644 * aborts all the outstanding SCSI I/Os to the pci device.
8647 lpfc_sli_prep_dev_for_recover(struct lpfc_hba
*phba
)
8649 struct lpfc_sli
*psli
= &phba
->sli
;
8650 struct lpfc_sli_ring
*pring
;
8652 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8653 "2723 PCI channel I/O abort preparing for recovery\n");
8656 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
8657 * and let the SCSI mid-layer to retry them to recover.
8659 pring
= &psli
->ring
[psli
->fcp_ring
];
8660 lpfc_sli_abort_iocb_ring(phba
, pring
);
8664 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
8665 * @phba: pointer to lpfc hba data structure.
8667 * This routine is called to prepare the SLI3 device for PCI slot reset. It
8668 * disables the device interrupt and pci device, and aborts the internal FCP
8672 lpfc_sli_prep_dev_for_reset(struct lpfc_hba
*phba
)
8674 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8675 "2710 PCI channel disable preparing for reset\n");
8677 /* Block any management I/Os to the device */
8678 lpfc_block_mgmt_io(phba
);
8680 /* Block all SCSI devices' I/Os on the host */
8681 lpfc_scsi_dev_block(phba
);
8683 /* stop all timers */
8684 lpfc_stop_hba_timers(phba
);
8686 /* Disable interrupt and pci device */
8687 lpfc_sli_disable_intr(phba
);
8688 pci_disable_device(phba
->pcidev
);
8690 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
8691 lpfc_sli_flush_fcp_rings(phba
);
8695 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
8696 * @phba: pointer to lpfc hba data structure.
8698 * This routine is called to prepare the SLI3 device for PCI slot permanently
8699 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
8703 lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
8705 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8706 "2711 PCI channel permanent disable for failure\n");
8707 /* Block all SCSI devices' I/Os on the host */
8708 lpfc_scsi_dev_block(phba
);
8710 /* stop all timers */
8711 lpfc_stop_hba_timers(phba
);
8713 /* Clean up all driver's outstanding SCSI I/Os */
8714 lpfc_sli_flush_fcp_rings(phba
);
8718 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
8719 * @pdev: pointer to PCI device.
8720 * @state: the current PCI connection state.
8722 * This routine is called from the PCI subsystem for I/O error handling to
8723 * device with SLI-3 interface spec. This function is called by the PCI
8724 * subsystem after a PCI bus error affecting this device has been detected.
8725 * When this function is invoked, it will need to stop all the I/Os and
8726 * interrupt(s) to the device. Once that is done, it will return
8727 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
8731 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
8732 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
8733 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
8735 static pci_ers_result_t
8736 lpfc_io_error_detected_s3(struct pci_dev
*pdev
, pci_channel_state_t state
)
8738 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8739 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8742 case pci_channel_io_normal
:
8743 /* Non-fatal error, prepare for recovery */
8744 lpfc_sli_prep_dev_for_recover(phba
);
8745 return PCI_ERS_RESULT_CAN_RECOVER
;
8746 case pci_channel_io_frozen
:
8747 /* Fatal error, prepare for slot reset */
8748 lpfc_sli_prep_dev_for_reset(phba
);
8749 return PCI_ERS_RESULT_NEED_RESET
;
8750 case pci_channel_io_perm_failure
:
8751 /* Permanent failure, prepare for device down */
8752 lpfc_sli_prep_dev_for_perm_failure(phba
);
8753 return PCI_ERS_RESULT_DISCONNECT
;
8755 /* Unknown state, prepare and request slot reset */
8756 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8757 "0472 Unknown PCI error state: x%x\n", state
);
8758 lpfc_sli_prep_dev_for_reset(phba
);
8759 return PCI_ERS_RESULT_NEED_RESET
;
8764 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
8765 * @pdev: pointer to PCI device.
8767 * This routine is called from the PCI subsystem for error handling to
8768 * device with SLI-3 interface spec. This is called after PCI bus has been
8769 * reset to restart the PCI card from scratch, as if from a cold-boot.
8770 * During the PCI subsystem error recovery, after driver returns
8771 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
8772 * recovery and then call this routine before calling the .resume method
8773 * to recover the device. This function will initialize the HBA device,
8774 * enable the interrupt, but it will just put the HBA to offline state
8775 * without passing any I/O traffic.
8778 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
8779 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
8781 static pci_ers_result_t
8782 lpfc_io_slot_reset_s3(struct pci_dev
*pdev
)
8784 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8785 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8786 struct lpfc_sli
*psli
= &phba
->sli
;
8789 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
8790 if (pci_enable_device_mem(pdev
)) {
8791 printk(KERN_ERR
"lpfc: Cannot re-enable "
8792 "PCI device after reset.\n");
8793 return PCI_ERS_RESULT_DISCONNECT
;
8796 pci_restore_state(pdev
);
8799 * As the new kernel behavior of pci_restore_state() API call clears
8800 * device saved_state flag, need to save the restored state again.
8802 pci_save_state(pdev
);
8804 if (pdev
->is_busmaster
)
8805 pci_set_master(pdev
);
8807 spin_lock_irq(&phba
->hbalock
);
8808 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
8809 spin_unlock_irq(&phba
->hbalock
);
8811 /* Configure and enable interrupt */
8812 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
8813 if (intr_mode
== LPFC_INTR_ERROR
) {
8814 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8815 "0427 Cannot re-enable interrupt after "
8817 return PCI_ERS_RESULT_DISCONNECT
;
8819 phba
->intr_mode
= intr_mode
;
8821 /* Take device offline, it will perform cleanup */
8822 lpfc_offline_prep(phba
);
8824 lpfc_sli_brdrestart(phba
);
8826 /* Log the current active interrupt mode */
8827 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
8829 return PCI_ERS_RESULT_RECOVERED
;
8833 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
8834 * @pdev: pointer to PCI device
8836 * This routine is called from the PCI subsystem for error handling to device
8837 * with SLI-3 interface spec. It is called when kernel error recovery tells
8838 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
8839 * error recovery. After this call, traffic can start to flow from this device
8843 lpfc_io_resume_s3(struct pci_dev
*pdev
)
8845 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8846 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8848 /* Bring device online, it will be no-op for non-fatal error resume */
8851 /* Clean up Advanced Error Reporting (AER) if needed */
8852 if (phba
->hba_flag
& HBA_AER_ENABLED
)
8853 pci_cleanup_aer_uncorrect_error_status(pdev
);
8857 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
8858 * @phba: pointer to lpfc hba data structure.
8860 * returns the number of ELS/CT IOCBs to reserve
8863 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*phba
)
8865 int max_xri
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
8867 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
8870 else if (max_xri
<= 256)
8872 else if (max_xri
<= 512)
8874 else if (max_xri
<= 1024)
8883 * lpfc_write_firmware - attempt to write a firmware image to the port
8884 * @phba: pointer to lpfc hba data structure.
8885 * @fw: pointer to firmware image returned from request_firmware.
8887 * returns the number of bytes written if write is successful.
8888 * returns a negative error value if there were errors.
8889 * returns 0 if firmware matches currently active firmware on port.
8892 lpfc_write_firmware(struct lpfc_hba
*phba
, const struct firmware
*fw
)
8895 struct lpfc_grp_hdr
*image
= (struct lpfc_grp_hdr
*)fw
->data
;
8896 struct list_head dma_buffer_list
;
8898 struct lpfc_dmabuf
*dmabuf
, *next
;
8899 uint32_t offset
= 0, temp_offset
= 0;
8901 INIT_LIST_HEAD(&dma_buffer_list
);
8902 if ((be32_to_cpu(image
->magic_number
) != LPFC_GROUP_OJECT_MAGIC_NUM
) ||
8903 (bf_get_be32(lpfc_grp_hdr_file_type
, image
) !=
8904 LPFC_FILE_TYPE_GROUP
) ||
8905 (bf_get_be32(lpfc_grp_hdr_id
, image
) != LPFC_FILE_ID_GROUP
) ||
8906 (be32_to_cpu(image
->size
) != fw
->size
)) {
8907 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8908 "3022 Invalid FW image found. "
8909 "Magic:%x Type:%x ID:%x\n",
8910 be32_to_cpu(image
->magic_number
),
8911 bf_get_be32(lpfc_grp_hdr_file_type
, image
),
8912 bf_get_be32(lpfc_grp_hdr_id
, image
));
8915 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
8916 if (strncmp(fwrev
, image
->revision
, strnlen(image
->revision
, 16))) {
8917 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8918 "3023 Updating Firmware. Current Version:%s "
8920 fwrev
, image
->revision
);
8921 for (i
= 0; i
< LPFC_MBX_WR_CONFIG_MAX_BDE
; i
++) {
8922 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
),
8928 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
8932 if (!dmabuf
->virt
) {
8937 list_add_tail(&dmabuf
->list
, &dma_buffer_list
);
8939 while (offset
< fw
->size
) {
8940 temp_offset
= offset
;
8941 list_for_each_entry(dmabuf
, &dma_buffer_list
, list
) {
8942 if (temp_offset
+ SLI4_PAGE_SIZE
> fw
->size
) {
8943 memcpy(dmabuf
->virt
,
8944 fw
->data
+ temp_offset
,
8945 fw
->size
- temp_offset
);
8946 temp_offset
= fw
->size
;
8949 memcpy(dmabuf
->virt
, fw
->data
+ temp_offset
,
8951 temp_offset
+= SLI4_PAGE_SIZE
;
8953 rc
= lpfc_wr_object(phba
, &dma_buffer_list
,
8954 (fw
->size
- offset
), &offset
);
8956 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8957 "3024 Firmware update failed. "
8965 list_for_each_entry_safe(dmabuf
, next
, &dma_buffer_list
, list
) {
8966 list_del(&dmabuf
->list
);
8967 dma_free_coherent(&phba
->pcidev
->dev
, SLI4_PAGE_SIZE
,
8968 dmabuf
->virt
, dmabuf
->phys
);
8975 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
8976 * @pdev: pointer to PCI device
8977 * @pid: pointer to PCI device identifier
8979 * This routine is called from the kernel's PCI subsystem to device with
8980 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
8981 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
8982 * information of the device and driver to see if the driver state that it
8983 * can support this kind of device. If the match is successful, the driver
8984 * core invokes this routine. If this routine determines it can claim the HBA,
8985 * it does all the initialization that it needs to do to handle the HBA
8989 * 0 - driver can claim the device
8990 * negative value - driver can not claim the device
8992 static int __devinit
8993 lpfc_pci_probe_one_s4(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
8995 struct lpfc_hba
*phba
;
8996 struct lpfc_vport
*vport
= NULL
;
8997 struct Scsi_Host
*shost
= NULL
;
8999 uint32_t cfg_mode
, intr_mode
;
9001 int adjusted_fcp_eq_count
;
9003 const struct firmware
*fw
;
9004 uint8_t file_name
[16];
9006 /* Allocate memory for HBA structure */
9007 phba
= lpfc_hba_alloc(pdev
);
9011 /* Perform generic PCI device enabling operation */
9012 error
= lpfc_enable_pci_dev(phba
);
9016 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
9017 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_OC
);
9019 goto out_disable_pci_dev
;
9021 /* Set up SLI-4 specific device PCI memory space */
9022 error
= lpfc_sli4_pci_mem_setup(phba
);
9024 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9025 "1410 Failed to set up pci memory space.\n");
9026 goto out_disable_pci_dev
;
9029 /* Set up phase-1 common device driver resources */
9030 error
= lpfc_setup_driver_resource_phase1(phba
);
9032 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9033 "1411 Failed to set up driver resource.\n");
9034 goto out_unset_pci_mem_s4
;
9037 /* Set up SLI-4 Specific device driver resources */
9038 error
= lpfc_sli4_driver_resource_setup(phba
);
9040 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9041 "1412 Failed to set up driver resource.\n");
9042 goto out_unset_pci_mem_s4
;
9045 /* Initialize and populate the iocb list per host */
9047 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9048 "2821 initialize iocb list %d.\n",
9049 phba
->cfg_iocb_cnt
*1024);
9050 error
= lpfc_init_iocb_list(phba
, phba
->cfg_iocb_cnt
*1024);
9053 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9054 "1413 Failed to initialize iocb list.\n");
9055 goto out_unset_driver_resource_s4
;
9058 INIT_LIST_HEAD(&phba
->active_rrq_list
);
9059 INIT_LIST_HEAD(&phba
->fcf
.fcf_pri_list
);
9061 /* Set up common device driver resources */
9062 error
= lpfc_setup_driver_resource_phase2(phba
);
9064 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9065 "1414 Failed to set up driver resource.\n");
9066 goto out_free_iocb_list
;
9069 /* Get the default values for Model Name and Description */
9070 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
9072 /* Create SCSI host to the physical port */
9073 error
= lpfc_create_shost(phba
);
9075 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9076 "1415 Failed to create scsi host.\n");
9077 goto out_unset_driver_resource
;
9080 /* Configure sysfs attributes */
9081 vport
= phba
->pport
;
9082 error
= lpfc_alloc_sysfs_attr(vport
);
9084 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9085 "1416 Failed to allocate sysfs attr\n");
9086 goto out_destroy_shost
;
9089 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
9090 /* Now, trying to enable interrupt and bring up the device */
9091 cfg_mode
= phba
->cfg_use_msi
;
9093 /* Put device to a known state before enabling interrupt */
9094 lpfc_stop_port(phba
);
9095 /* Configure and enable interrupt */
9096 intr_mode
= lpfc_sli4_enable_intr(phba
, cfg_mode
);
9097 if (intr_mode
== LPFC_INTR_ERROR
) {
9098 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9099 "0426 Failed to enable interrupt.\n");
9101 goto out_free_sysfs_attr
;
9103 /* Default to single EQ for non-MSI-X */
9104 if (phba
->intr_type
!= MSIX
)
9105 adjusted_fcp_eq_count
= 0;
9106 else if (phba
->sli4_hba
.msix_vec_nr
<
9107 phba
->cfg_fcp_eq_count
+ 1)
9108 adjusted_fcp_eq_count
= phba
->sli4_hba
.msix_vec_nr
- 1;
9110 adjusted_fcp_eq_count
= phba
->cfg_fcp_eq_count
;
9111 /* Free unused EQs */
9112 for (fcp_qidx
= adjusted_fcp_eq_count
;
9113 fcp_qidx
< phba
->cfg_fcp_eq_count
;
9115 lpfc_sli4_queue_free(phba
->sli4_hba
.fp_eq
[fcp_qidx
]);
9116 /* do not delete the first fcp_cq */
9118 lpfc_sli4_queue_free(
9119 phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
9121 phba
->cfg_fcp_eq_count
= adjusted_fcp_eq_count
;
9122 /* Set up SLI-4 HBA */
9123 if (lpfc_sli4_hba_setup(phba
)) {
9124 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9125 "1421 Failed to set up hba\n");
9127 goto out_disable_intr
;
9130 /* Send NOP mbx cmds for non-INTx mode active interrupt test */
9132 mcnt
= lpfc_sli4_send_nop_mbox_cmds(phba
,
9135 /* Check active interrupts received only for MSI/MSI-X */
9136 if (intr_mode
== 0 ||
9137 phba
->sli
.slistat
.sli_intr
>= LPFC_ACT_INTR_CNT
) {
9138 /* Log the current active interrupt mode */
9139 phba
->intr_mode
= intr_mode
;
9140 lpfc_log_intr_mode(phba
, intr_mode
);
9143 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9144 "0451 Configure interrupt mode (%d) "
9145 "failed active interrupt test.\n",
9147 /* Unset the previous SLI-4 HBA setup. */
9149 * TODO: Is this operation compatible with IF TYPE 2
9150 * devices? All port state is deleted and cleared.
9152 lpfc_sli4_unset_hba(phba
);
9153 /* Try next level of interrupt mode */
9154 cfg_mode
= --intr_mode
;
9157 /* Perform post initialization setup */
9158 lpfc_post_init_setup(phba
);
9160 /* check for firmware upgrade or downgrade */
9161 snprintf(file_name
, 16, "%s.grp", phba
->ModelName
);
9162 error
= request_firmware(&fw
, file_name
, &phba
->pcidev
->dev
);
9164 lpfc_write_firmware(phba
, fw
);
9165 release_firmware(fw
);
9168 /* Check if there are static vports to be created. */
9169 lpfc_create_static_vport(phba
);
9173 lpfc_sli4_disable_intr(phba
);
9174 out_free_sysfs_attr
:
9175 lpfc_free_sysfs_attr(vport
);
9177 lpfc_destroy_shost(phba
);
9178 out_unset_driver_resource
:
9179 lpfc_unset_driver_resource_phase2(phba
);
9181 lpfc_free_iocb_list(phba
);
9182 out_unset_driver_resource_s4
:
9183 lpfc_sli4_driver_resource_unset(phba
);
9184 out_unset_pci_mem_s4
:
9185 lpfc_sli4_pci_mem_unset(phba
);
9186 out_disable_pci_dev
:
9187 lpfc_disable_pci_dev(phba
);
9189 scsi_host_put(shost
);
9191 lpfc_hba_free(phba
);
9196 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
9197 * @pdev: pointer to PCI device
9199 * This routine is called from the kernel's PCI subsystem to device with
9200 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
9201 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9202 * device to be removed from the PCI subsystem properly.
9204 static void __devexit
9205 lpfc_pci_remove_one_s4(struct pci_dev
*pdev
)
9207 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9208 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
9209 struct lpfc_vport
**vports
;
9210 struct lpfc_hba
*phba
= vport
->phba
;
9213 /* Mark the device unloading flag */
9214 spin_lock_irq(&phba
->hbalock
);
9215 vport
->load_flag
|= FC_UNLOADING
;
9216 spin_unlock_irq(&phba
->hbalock
);
9218 /* Free the HBA sysfs attributes */
9219 lpfc_free_sysfs_attr(vport
);
9221 /* Release all the vports against this physical port */
9222 vports
= lpfc_create_vport_work_array(phba
);
9224 for (i
= 1; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
9225 fc_vport_terminate(vports
[i
]->fc_vport
);
9226 lpfc_destroy_vport_work_array(phba
, vports
);
9228 /* Remove FC host and then SCSI host with the physical port */
9229 fc_remove_host(shost
);
9230 scsi_remove_host(shost
);
9232 /* Perform cleanup on the physical port */
9233 lpfc_cleanup(vport
);
9236 * Bring down the SLI Layer. This step disables all interrupts,
9237 * clears the rings, discards all mailbox commands, and resets
9238 * the HBA FCoE function.
9240 lpfc_debugfs_terminate(vport
);
9241 lpfc_sli4_hba_unset(phba
);
9243 spin_lock_irq(&phba
->hbalock
);
9244 list_del_init(&vport
->listentry
);
9245 spin_unlock_irq(&phba
->hbalock
);
9247 /* Perform scsi free before driver resource_unset since scsi
9248 * buffers are released to their corresponding pools here.
9250 lpfc_scsi_free(phba
);
9251 lpfc_sli4_driver_resource_unset(phba
);
9253 /* Unmap adapter Control and Doorbell registers */
9254 lpfc_sli4_pci_mem_unset(phba
);
9256 /* Release PCI resources and disable device's PCI function */
9257 scsi_host_put(shost
);
9258 lpfc_disable_pci_dev(phba
);
9260 /* Finally, free the driver's device data structure */
9261 lpfc_hba_free(phba
);
9267 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
9268 * @pdev: pointer to PCI device
9269 * @msg: power management message
9271 * This routine is called from the kernel's PCI subsystem to support system
9272 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
9273 * this method, it quiesces the device by stopping the driver's worker
9274 * thread for the device, turning off device's interrupt and DMA, and bring
9275 * the device offline. Note that as the driver implements the minimum PM
9276 * requirements to a power-aware driver's PM support for suspend/resume -- all
9277 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
9278 * method call will be treated as SUSPEND and the driver will fully
9279 * reinitialize its device during resume() method call, the driver will set
9280 * device to PCI_D3hot state in PCI config space instead of setting it
9281 * according to the @msg provided by the PM.
9284 * 0 - driver suspended the device
9288 lpfc_pci_suspend_one_s4(struct pci_dev
*pdev
, pm_message_t msg
)
9290 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9291 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9293 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9294 "2843 PCI device Power Management suspend.\n");
9296 /* Bring down the device */
9297 lpfc_offline_prep(phba
);
9299 kthread_stop(phba
->worker_thread
);
9301 /* Disable interrupt from device */
9302 lpfc_sli4_disable_intr(phba
);
9304 /* Save device state to PCI config space */
9305 pci_save_state(pdev
);
9306 pci_set_power_state(pdev
, PCI_D3hot
);
9312 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
9313 * @pdev: pointer to PCI device
9315 * This routine is called from the kernel's PCI subsystem to support system
9316 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
9317 * this method, it restores the device's PCI config space state and fully
9318 * reinitializes the device and brings it online. Note that as the driver
9319 * implements the minimum PM requirements to a power-aware driver's PM for
9320 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9321 * to the suspend() method call will be treated as SUSPEND and the driver
9322 * will fully reinitialize its device during resume() method call, the device
9323 * will be set to PCI_D0 directly in PCI config space before restoring the
9327 * 0 - driver suspended the device
9331 lpfc_pci_resume_one_s4(struct pci_dev
*pdev
)
9333 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9334 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9338 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9339 "0292 PCI device Power Management resume.\n");
9341 /* Restore device state from PCI config space */
9342 pci_set_power_state(pdev
, PCI_D0
);
9343 pci_restore_state(pdev
);
9346 * As the new kernel behavior of pci_restore_state() API call clears
9347 * device saved_state flag, need to save the restored state again.
9349 pci_save_state(pdev
);
9351 if (pdev
->is_busmaster
)
9352 pci_set_master(pdev
);
9354 /* Startup the kernel thread for this host adapter. */
9355 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
9356 "lpfc_worker_%d", phba
->brd_no
);
9357 if (IS_ERR(phba
->worker_thread
)) {
9358 error
= PTR_ERR(phba
->worker_thread
);
9359 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9360 "0293 PM resume failed to start worker "
9361 "thread: error=x%x.\n", error
);
9365 /* Configure and enable interrupt */
9366 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
9367 if (intr_mode
== LPFC_INTR_ERROR
) {
9368 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9369 "0294 PM resume Failed to enable interrupt\n");
9372 phba
->intr_mode
= intr_mode
;
9374 /* Restart HBA and bring it online */
9375 lpfc_sli_brdrestart(phba
);
9378 /* Log the current active interrupt mode */
9379 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9385 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
9386 * @phba: pointer to lpfc hba data structure.
9388 * This routine is called to prepare the SLI4 device for PCI slot recover. It
9389 * aborts all the outstanding SCSI I/Os to the pci device.
9392 lpfc_sli4_prep_dev_for_recover(struct lpfc_hba
*phba
)
9394 struct lpfc_sli
*psli
= &phba
->sli
;
9395 struct lpfc_sli_ring
*pring
;
9397 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9398 "2828 PCI channel I/O abort preparing for recovery\n");
9400 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9401 * and let the SCSI mid-layer to retry them to recover.
9403 pring
= &psli
->ring
[psli
->fcp_ring
];
9404 lpfc_sli_abort_iocb_ring(phba
, pring
);
9408 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
9409 * @phba: pointer to lpfc hba data structure.
9411 * This routine is called to prepare the SLI4 device for PCI slot reset. It
9412 * disables the device interrupt and pci device, and aborts the internal FCP
9416 lpfc_sli4_prep_dev_for_reset(struct lpfc_hba
*phba
)
9418 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9419 "2826 PCI channel disable preparing for reset\n");
9421 /* Block any management I/Os to the device */
9422 lpfc_block_mgmt_io(phba
);
9424 /* Block all SCSI devices' I/Os on the host */
9425 lpfc_scsi_dev_block(phba
);
9427 /* stop all timers */
9428 lpfc_stop_hba_timers(phba
);
9430 /* Disable interrupt and pci device */
9431 lpfc_sli4_disable_intr(phba
);
9432 pci_disable_device(phba
->pcidev
);
9434 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9435 lpfc_sli_flush_fcp_rings(phba
);
9439 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
9440 * @phba: pointer to lpfc hba data structure.
9442 * This routine is called to prepare the SLI4 device for PCI slot permanently
9443 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9447 lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
9449 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9450 "2827 PCI channel permanent disable for failure\n");
9452 /* Block all SCSI devices' I/Os on the host */
9453 lpfc_scsi_dev_block(phba
);
9455 /* stop all timers */
9456 lpfc_stop_hba_timers(phba
);
9458 /* Clean up all driver's outstanding SCSI I/Os */
9459 lpfc_sli_flush_fcp_rings(phba
);
9463 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
9464 * @pdev: pointer to PCI device.
9465 * @state: the current PCI connection state.
9467 * This routine is called from the PCI subsystem for error handling to device
9468 * with SLI-4 interface spec. This function is called by the PCI subsystem
9469 * after a PCI bus error affecting this device has been detected. When this
9470 * function is invoked, it will need to stop all the I/Os and interrupt(s)
9471 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
9472 * for the PCI subsystem to perform proper recovery as desired.
9475 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9476 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9478 static pci_ers_result_t
9479 lpfc_io_error_detected_s4(struct pci_dev
*pdev
, pci_channel_state_t state
)
9481 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9482 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9485 case pci_channel_io_normal
:
9486 /* Non-fatal error, prepare for recovery */
9487 lpfc_sli4_prep_dev_for_recover(phba
);
9488 return PCI_ERS_RESULT_CAN_RECOVER
;
9489 case pci_channel_io_frozen
:
9490 /* Fatal error, prepare for slot reset */
9491 lpfc_sli4_prep_dev_for_reset(phba
);
9492 return PCI_ERS_RESULT_NEED_RESET
;
9493 case pci_channel_io_perm_failure
:
9494 /* Permanent failure, prepare for device down */
9495 lpfc_sli4_prep_dev_for_perm_failure(phba
);
9496 return PCI_ERS_RESULT_DISCONNECT
;
9498 /* Unknown state, prepare and request slot reset */
9499 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9500 "2825 Unknown PCI error state: x%x\n", state
);
9501 lpfc_sli4_prep_dev_for_reset(phba
);
9502 return PCI_ERS_RESULT_NEED_RESET
;
9507 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
9508 * @pdev: pointer to PCI device.
9510 * This routine is called from the PCI subsystem for error handling to device
9511 * with SLI-4 interface spec. It is called after PCI bus has been reset to
9512 * restart the PCI card from scratch, as if from a cold-boot. During the
9513 * PCI subsystem error recovery, after the driver returns
9514 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
9515 * recovery and then call this routine before calling the .resume method to
9516 * recover the device. This function will initialize the HBA device, enable
9517 * the interrupt, but it will just put the HBA to offline state without
9518 * passing any I/O traffic.
9521 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9522 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9524 static pci_ers_result_t
9525 lpfc_io_slot_reset_s4(struct pci_dev
*pdev
)
9527 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9528 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9529 struct lpfc_sli
*psli
= &phba
->sli
;
9532 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
9533 if (pci_enable_device_mem(pdev
)) {
9534 printk(KERN_ERR
"lpfc: Cannot re-enable "
9535 "PCI device after reset.\n");
9536 return PCI_ERS_RESULT_DISCONNECT
;
9539 pci_restore_state(pdev
);
9542 * As the new kernel behavior of pci_restore_state() API call clears
9543 * device saved_state flag, need to save the restored state again.
9545 pci_save_state(pdev
);
9547 if (pdev
->is_busmaster
)
9548 pci_set_master(pdev
);
9550 spin_lock_irq(&phba
->hbalock
);
9551 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
9552 spin_unlock_irq(&phba
->hbalock
);
9554 /* Configure and enable interrupt */
9555 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
9556 if (intr_mode
== LPFC_INTR_ERROR
) {
9557 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9558 "2824 Cannot re-enable interrupt after "
9560 return PCI_ERS_RESULT_DISCONNECT
;
9562 phba
->intr_mode
= intr_mode
;
9564 /* Log the current active interrupt mode */
9565 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9567 return PCI_ERS_RESULT_RECOVERED
;
9571 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
9572 * @pdev: pointer to PCI device
9574 * This routine is called from the PCI subsystem for error handling to device
9575 * with SLI-4 interface spec. It is called when kernel error recovery tells
9576 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
9577 * error recovery. After this call, traffic can start to flow from this device
9581 lpfc_io_resume_s4(struct pci_dev
*pdev
)
9583 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9584 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9587 * In case of slot reset, as function reset is performed through
9588 * mailbox command which needs DMA to be enabled, this operation
9589 * has to be moved to the io resume phase. Taking device offline
9590 * will perform the necessary cleanup.
9592 if (!(phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)) {
9593 /* Perform device reset */
9594 lpfc_offline_prep(phba
);
9596 lpfc_sli_brdrestart(phba
);
9597 /* Bring the device back online */
9601 /* Clean up Advanced Error Reporting (AER) if needed */
9602 if (phba
->hba_flag
& HBA_AER_ENABLED
)
9603 pci_cleanup_aer_uncorrect_error_status(pdev
);
9607 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
9608 * @pdev: pointer to PCI device
9609 * @pid: pointer to PCI device identifier
9611 * This routine is to be registered to the kernel's PCI subsystem. When an
9612 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
9613 * at PCI device-specific information of the device and driver to see if the
9614 * driver state that it can support this kind of device. If the match is
9615 * successful, the driver core invokes this routine. This routine dispatches
9616 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
9617 * do all the initialization that it needs to do to handle the HBA device
9621 * 0 - driver can claim the device
9622 * negative value - driver can not claim the device
9624 static int __devinit
9625 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
9628 struct lpfc_sli_intf intf
;
9630 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
, &intf
.word0
))
9633 if ((bf_get(lpfc_sli_intf_valid
, &intf
) == LPFC_SLI_INTF_VALID
) &&
9634 (bf_get(lpfc_sli_intf_slirev
, &intf
) == LPFC_SLI_INTF_REV_SLI4
))
9635 rc
= lpfc_pci_probe_one_s4(pdev
, pid
);
9637 rc
= lpfc_pci_probe_one_s3(pdev
, pid
);
9643 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
9644 * @pdev: pointer to PCI device
9646 * This routine is to be registered to the kernel's PCI subsystem. When an
9647 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
9648 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
9649 * remove routine, which will perform all the necessary cleanup for the
9650 * device to be removed from the PCI subsystem properly.
9652 static void __devexit
9653 lpfc_pci_remove_one(struct pci_dev
*pdev
)
9655 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9656 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9658 switch (phba
->pci_dev_grp
) {
9659 case LPFC_PCI_DEV_LP
:
9660 lpfc_pci_remove_one_s3(pdev
);
9662 case LPFC_PCI_DEV_OC
:
9663 lpfc_pci_remove_one_s4(pdev
);
9666 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9667 "1424 Invalid PCI device group: 0x%x\n",
9675 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
9676 * @pdev: pointer to PCI device
9677 * @msg: power management message
9679 * This routine is to be registered to the kernel's PCI subsystem to support
9680 * system Power Management (PM). When PM invokes this method, it dispatches
9681 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
9682 * suspend the device.
9685 * 0 - driver suspended the device
9689 lpfc_pci_suspend_one(struct pci_dev
*pdev
, pm_message_t msg
)
9691 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9692 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9695 switch (phba
->pci_dev_grp
) {
9696 case LPFC_PCI_DEV_LP
:
9697 rc
= lpfc_pci_suspend_one_s3(pdev
, msg
);
9699 case LPFC_PCI_DEV_OC
:
9700 rc
= lpfc_pci_suspend_one_s4(pdev
, msg
);
9703 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9704 "1425 Invalid PCI device group: 0x%x\n",
9712 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
9713 * @pdev: pointer to PCI device
9715 * This routine is to be registered to the kernel's PCI subsystem to support
9716 * system Power Management (PM). When PM invokes this method, it dispatches
9717 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
9718 * resume the device.
9721 * 0 - driver suspended the device
9725 lpfc_pci_resume_one(struct pci_dev
*pdev
)
9727 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9728 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9731 switch (phba
->pci_dev_grp
) {
9732 case LPFC_PCI_DEV_LP
:
9733 rc
= lpfc_pci_resume_one_s3(pdev
);
9735 case LPFC_PCI_DEV_OC
:
9736 rc
= lpfc_pci_resume_one_s4(pdev
);
9739 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9740 "1426 Invalid PCI device group: 0x%x\n",
9748 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
9749 * @pdev: pointer to PCI device.
9750 * @state: the current PCI connection state.
9752 * This routine is registered to the PCI subsystem for error handling. This
9753 * function is called by the PCI subsystem after a PCI bus error affecting
9754 * this device has been detected. When this routine is invoked, it dispatches
9755 * the action to the proper SLI-3 or SLI-4 device error detected handling
9756 * routine, which will perform the proper error detected operation.
9759 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9760 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9762 static pci_ers_result_t
9763 lpfc_io_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
9765 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9766 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9767 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
9769 switch (phba
->pci_dev_grp
) {
9770 case LPFC_PCI_DEV_LP
:
9771 rc
= lpfc_io_error_detected_s3(pdev
, state
);
9773 case LPFC_PCI_DEV_OC
:
9774 rc
= lpfc_io_error_detected_s4(pdev
, state
);
9777 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9778 "1427 Invalid PCI device group: 0x%x\n",
9786 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
9787 * @pdev: pointer to PCI device.
9789 * This routine is registered to the PCI subsystem for error handling. This
9790 * function is called after PCI bus has been reset to restart the PCI card
9791 * from scratch, as if from a cold-boot. When this routine is invoked, it
9792 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
9793 * routine, which will perform the proper device reset.
9796 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9797 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9799 static pci_ers_result_t
9800 lpfc_io_slot_reset(struct pci_dev
*pdev
)
9802 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9803 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9804 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
9806 switch (phba
->pci_dev_grp
) {
9807 case LPFC_PCI_DEV_LP
:
9808 rc
= lpfc_io_slot_reset_s3(pdev
);
9810 case LPFC_PCI_DEV_OC
:
9811 rc
= lpfc_io_slot_reset_s4(pdev
);
9814 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9815 "1428 Invalid PCI device group: 0x%x\n",
9823 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
9824 * @pdev: pointer to PCI device
9826 * This routine is registered to the PCI subsystem for error handling. It
9827 * is called when kernel error recovery tells the lpfc driver that it is
9828 * OK to resume normal PCI operation after PCI bus error recovery. When
9829 * this routine is invoked, it dispatches the action to the proper SLI-3
9830 * or SLI-4 device io_resume routine, which will resume the device operation.
9833 lpfc_io_resume(struct pci_dev
*pdev
)
9835 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9836 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9838 switch (phba
->pci_dev_grp
) {
9839 case LPFC_PCI_DEV_LP
:
9840 lpfc_io_resume_s3(pdev
);
9842 case LPFC_PCI_DEV_OC
:
9843 lpfc_io_resume_s4(pdev
);
9846 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9847 "1429 Invalid PCI device group: 0x%x\n",
9854 static struct pci_device_id lpfc_id_table
[] = {
9855 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
9856 PCI_ANY_ID
, PCI_ANY_ID
, },
9857 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
9858 PCI_ANY_ID
, PCI_ANY_ID
, },
9859 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
9860 PCI_ANY_ID
, PCI_ANY_ID
, },
9861 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
9862 PCI_ANY_ID
, PCI_ANY_ID
, },
9863 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
9864 PCI_ANY_ID
, PCI_ANY_ID
, },
9865 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
9866 PCI_ANY_ID
, PCI_ANY_ID
, },
9867 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
9868 PCI_ANY_ID
, PCI_ANY_ID
, },
9869 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
9870 PCI_ANY_ID
, PCI_ANY_ID
, },
9871 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
9872 PCI_ANY_ID
, PCI_ANY_ID
, },
9873 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
9874 PCI_ANY_ID
, PCI_ANY_ID
, },
9875 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
9876 PCI_ANY_ID
, PCI_ANY_ID
, },
9877 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
9878 PCI_ANY_ID
, PCI_ANY_ID
, },
9879 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
9880 PCI_ANY_ID
, PCI_ANY_ID
, },
9881 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
9882 PCI_ANY_ID
, PCI_ANY_ID
, },
9883 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
9884 PCI_ANY_ID
, PCI_ANY_ID
, },
9885 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
9886 PCI_ANY_ID
, PCI_ANY_ID
, },
9887 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
9888 PCI_ANY_ID
, PCI_ANY_ID
, },
9889 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
9890 PCI_ANY_ID
, PCI_ANY_ID
, },
9891 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HORNET
,
9892 PCI_ANY_ID
, PCI_ANY_ID
, },
9893 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
9894 PCI_ANY_ID
, PCI_ANY_ID
, },
9895 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
9896 PCI_ANY_ID
, PCI_ANY_ID
, },
9897 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
9898 PCI_ANY_ID
, PCI_ANY_ID
, },
9899 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
9900 PCI_ANY_ID
, PCI_ANY_ID
, },
9901 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
9902 PCI_ANY_ID
, PCI_ANY_ID
, },
9903 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
9904 PCI_ANY_ID
, PCI_ANY_ID
, },
9905 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
9906 PCI_ANY_ID
, PCI_ANY_ID
, },
9907 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
9908 PCI_ANY_ID
, PCI_ANY_ID
, },
9909 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
9910 PCI_ANY_ID
, PCI_ANY_ID
, },
9911 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT
,
9912 PCI_ANY_ID
, PCI_ANY_ID
, },
9913 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_MID
,
9914 PCI_ANY_ID
, PCI_ANY_ID
, },
9915 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SMB
,
9916 PCI_ANY_ID
, PCI_ANY_ID
, },
9917 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_DCSP
,
9918 PCI_ANY_ID
, PCI_ANY_ID
, },
9919 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SCSP
,
9920 PCI_ANY_ID
, PCI_ANY_ID
, },
9921 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_S
,
9922 PCI_ANY_ID
, PCI_ANY_ID
, },
9923 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_VF
,
9924 PCI_ANY_ID
, PCI_ANY_ID
, },
9925 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_PF
,
9926 PCI_ANY_ID
, PCI_ANY_ID
, },
9927 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_S
,
9928 PCI_ANY_ID
, PCI_ANY_ID
, },
9929 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TIGERSHARK
,
9930 PCI_ANY_ID
, PCI_ANY_ID
, },
9931 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TOMCAT
,
9932 PCI_ANY_ID
, PCI_ANY_ID
, },
9933 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FALCON
,
9934 PCI_ANY_ID
, PCI_ANY_ID
, },
9935 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BALIUS
,
9936 PCI_ANY_ID
, PCI_ANY_ID
, },
9937 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC
,
9938 PCI_ANY_ID
, PCI_ANY_ID
, },
9939 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE
,
9940 PCI_ANY_ID
, PCI_ANY_ID
, },
9941 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC_VF
,
9942 PCI_ANY_ID
, PCI_ANY_ID
, },
9943 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE_VF
,
9944 PCI_ANY_ID
, PCI_ANY_ID
, },
9948 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
9950 static struct pci_error_handlers lpfc_err_handler
= {
9951 .error_detected
= lpfc_io_error_detected
,
9952 .slot_reset
= lpfc_io_slot_reset
,
9953 .resume
= lpfc_io_resume
,
9956 static struct pci_driver lpfc_driver
= {
9957 .name
= LPFC_DRIVER_NAME
,
9958 .id_table
= lpfc_id_table
,
9959 .probe
= lpfc_pci_probe_one
,
9960 .remove
= __devexit_p(lpfc_pci_remove_one
),
9961 .suspend
= lpfc_pci_suspend_one
,
9962 .resume
= lpfc_pci_resume_one
,
9963 .err_handler
= &lpfc_err_handler
,
9967 * lpfc_init - lpfc module initialization routine
9969 * This routine is to be invoked when the lpfc module is loaded into the
9970 * kernel. The special kernel macro module_init() is used to indicate the
9971 * role of this routine to the kernel as lpfc module entry point.
9975 * -ENOMEM - FC attach transport failed
9976 * all others - failed
9983 printk(LPFC_MODULE_DESC
"\n");
9984 printk(LPFC_COPYRIGHT
"\n");
9986 if (lpfc_enable_npiv
) {
9987 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
9988 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
9990 lpfc_transport_template
=
9991 fc_attach_transport(&lpfc_transport_functions
);
9992 if (lpfc_transport_template
== NULL
)
9994 if (lpfc_enable_npiv
) {
9995 lpfc_vport_transport_template
=
9996 fc_attach_transport(&lpfc_vport_transport_functions
);
9997 if (lpfc_vport_transport_template
== NULL
) {
9998 fc_release_transport(lpfc_transport_template
);
10002 error
= pci_register_driver(&lpfc_driver
);
10004 fc_release_transport(lpfc_transport_template
);
10005 if (lpfc_enable_npiv
)
10006 fc_release_transport(lpfc_vport_transport_template
);
10013 * lpfc_exit - lpfc module removal routine
10015 * This routine is invoked when the lpfc module is removed from the kernel.
10016 * The special kernel macro module_exit() is used to indicate the role of
10017 * this routine to the kernel as lpfc module exit point.
10022 pci_unregister_driver(&lpfc_driver
);
10023 fc_release_transport(lpfc_transport_template
);
10024 if (lpfc_enable_npiv
)
10025 fc_release_transport(lpfc_vport_transport_template
);
10026 if (_dump_buf_data
) {
10027 printk(KERN_ERR
"9062 BLKGRD: freeing %lu pages for "
10028 "_dump_buf_data at 0x%p\n",
10029 (1L << _dump_buf_data_order
), _dump_buf_data
);
10030 free_pages((unsigned long)_dump_buf_data
, _dump_buf_data_order
);
10033 if (_dump_buf_dif
) {
10034 printk(KERN_ERR
"9049 BLKGRD: freeing %lu pages for "
10035 "_dump_buf_dif at 0x%p\n",
10036 (1L << _dump_buf_dif_order
), _dump_buf_dif
);
10037 free_pages((unsigned long)_dump_buf_dif
, _dump_buf_dif_order
);
10041 module_init(lpfc_init
);
10042 module_exit(lpfc_exit
);
10043 MODULE_LICENSE("GPL");
10044 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
10045 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
10046 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);