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
;
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 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2450 /* Determine how long we might wait for the active mailbox
2451 * command to be gracefully completed by firmware.
2453 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
, actcmd
) * 1000) +
2455 /* Wait for the outstnading mailbox command to complete */
2456 while (phba
->sli
.mbox_active
) {
2457 /* Check active mailbox complete status every 2ms */
2459 if (time_after(jiffies
, timeout
)) {
2460 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2461 "2813 Mgmt IO is Blocked %x "
2462 "- mbox cmd %x still active\n",
2463 phba
->sli
.sli_flag
, actcmd
);
2470 * lpfc_online - Initialize and bring a HBA online
2471 * @phba: pointer to lpfc hba data structure.
2473 * This routine initializes the HBA and brings a HBA online. During this
2474 * process, the management interface is blocked to prevent user space access
2475 * to the HBA interfering with the driver initialization.
2482 lpfc_online(struct lpfc_hba
*phba
)
2484 struct lpfc_vport
*vport
;
2485 struct lpfc_vport
**vports
;
2490 vport
= phba
->pport
;
2492 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
))
2495 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2496 "0458 Bring Adapter online\n");
2498 lpfc_block_mgmt_io(phba
);
2500 if (!lpfc_sli_queue_setup(phba
)) {
2501 lpfc_unblock_mgmt_io(phba
);
2505 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2506 if (lpfc_sli4_hba_setup(phba
)) { /* Initialize SLI4 HBA */
2507 lpfc_unblock_mgmt_io(phba
);
2511 if (lpfc_sli_hba_setup(phba
)) { /* Initialize SLI2/SLI3 HBA */
2512 lpfc_unblock_mgmt_io(phba
);
2517 vports
= lpfc_create_vport_work_array(phba
);
2519 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2520 struct Scsi_Host
*shost
;
2521 shost
= lpfc_shost_from_vport(vports
[i
]);
2522 spin_lock_irq(shost
->host_lock
);
2523 vports
[i
]->fc_flag
&= ~FC_OFFLINE_MODE
;
2524 if (phba
->sli3_options
& LPFC_SLI3_NPIV_ENABLED
)
2525 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2526 if (phba
->sli_rev
== LPFC_SLI_REV4
)
2527 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_INIT_VPI
;
2528 spin_unlock_irq(shost
->host_lock
);
2530 lpfc_destroy_vport_work_array(phba
, vports
);
2532 lpfc_unblock_mgmt_io(phba
);
2537 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
2538 * @phba: pointer to lpfc hba data structure.
2540 * This routine marks a HBA's management interface as not blocked. Once the
2541 * HBA's management interface is marked as not blocked, all the user space
2542 * access to the HBA, whether they are from sysfs interface or libdfc
2543 * interface will be allowed. The HBA is set to block the management interface
2544 * when the driver prepares the HBA interface for online or offline and then
2545 * set to unblock the management interface afterwards.
2548 lpfc_unblock_mgmt_io(struct lpfc_hba
* phba
)
2550 unsigned long iflag
;
2552 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2553 phba
->sli
.sli_flag
&= ~LPFC_BLOCK_MGMT_IO
;
2554 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2558 * lpfc_offline_prep - Prepare a HBA to be brought offline
2559 * @phba: pointer to lpfc hba data structure.
2561 * This routine is invoked to prepare a HBA to be brought offline. It performs
2562 * unregistration login to all the nodes on all vports and flushes the mailbox
2563 * queue to make it ready to be brought offline.
2566 lpfc_offline_prep(struct lpfc_hba
* phba
)
2568 struct lpfc_vport
*vport
= phba
->pport
;
2569 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2570 struct lpfc_vport
**vports
;
2571 struct Scsi_Host
*shost
;
2574 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
2577 lpfc_block_mgmt_io(phba
);
2579 lpfc_linkdown(phba
);
2581 /* Issue an unreg_login to all nodes on all vports */
2582 vports
= lpfc_create_vport_work_array(phba
);
2583 if (vports
!= NULL
) {
2584 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2585 if (vports
[i
]->load_flag
& FC_UNLOADING
)
2587 shost
= lpfc_shost_from_vport(vports
[i
]);
2588 spin_lock_irq(shost
->host_lock
);
2589 vports
[i
]->vpi_state
&= ~LPFC_VPI_REGISTERED
;
2590 vports
[i
]->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2591 vports
[i
]->fc_flag
&= ~FC_VFI_REGISTERED
;
2592 spin_unlock_irq(shost
->host_lock
);
2594 shost
= lpfc_shost_from_vport(vports
[i
]);
2595 list_for_each_entry_safe(ndlp
, next_ndlp
,
2596 &vports
[i
]->fc_nodes
,
2598 if (!NLP_CHK_NODE_ACT(ndlp
))
2600 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
2602 if (ndlp
->nlp_type
& NLP_FABRIC
) {
2603 lpfc_disc_state_machine(vports
[i
], ndlp
,
2604 NULL
, NLP_EVT_DEVICE_RECOVERY
);
2605 lpfc_disc_state_machine(vports
[i
], ndlp
,
2606 NULL
, NLP_EVT_DEVICE_RM
);
2608 spin_lock_irq(shost
->host_lock
);
2609 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
2610 spin_unlock_irq(shost
->host_lock
);
2611 lpfc_unreg_rpi(vports
[i
], ndlp
);
2615 lpfc_destroy_vport_work_array(phba
, vports
);
2617 lpfc_sli_mbox_sys_shutdown(phba
);
2621 * lpfc_offline - Bring a HBA offline
2622 * @phba: pointer to lpfc hba data structure.
2624 * This routine actually brings a HBA offline. It stops all the timers
2625 * associated with the HBA, brings down the SLI layer, and eventually
2626 * marks the HBA as in offline state for the upper layer protocol.
2629 lpfc_offline(struct lpfc_hba
*phba
)
2631 struct Scsi_Host
*shost
;
2632 struct lpfc_vport
**vports
;
2635 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
2638 /* stop port and all timers associated with this hba */
2639 lpfc_stop_port(phba
);
2640 vports
= lpfc_create_vport_work_array(phba
);
2642 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
2643 lpfc_stop_vport_timers(vports
[i
]);
2644 lpfc_destroy_vport_work_array(phba
, vports
);
2645 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
2646 "0460 Bring Adapter offline\n");
2647 /* Bring down the SLI Layer and cleanup. The HBA is offline
2649 lpfc_sli_hba_down(phba
);
2650 spin_lock_irq(&phba
->hbalock
);
2652 spin_unlock_irq(&phba
->hbalock
);
2653 vports
= lpfc_create_vport_work_array(phba
);
2655 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2656 shost
= lpfc_shost_from_vport(vports
[i
]);
2657 spin_lock_irq(shost
->host_lock
);
2658 vports
[i
]->work_port_events
= 0;
2659 vports
[i
]->fc_flag
|= FC_OFFLINE_MODE
;
2660 spin_unlock_irq(shost
->host_lock
);
2662 lpfc_destroy_vport_work_array(phba
, vports
);
2666 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
2667 * @phba: pointer to lpfc hba data structure.
2669 * This routine is to free all the SCSI buffers and IOCBs from the driver
2670 * list back to kernel. It is called from lpfc_pci_remove_one to free
2671 * the internal resources before the device is removed from the system.
2674 * 0 - successful (for now, it always returns 0)
2677 lpfc_scsi_free(struct lpfc_hba
*phba
)
2679 struct lpfc_scsi_buf
*sb
, *sb_next
;
2680 struct lpfc_iocbq
*io
, *io_next
;
2682 spin_lock_irq(&phba
->hbalock
);
2683 /* Release all the lpfc_scsi_bufs maintained by this host. */
2684 spin_lock(&phba
->scsi_buf_list_lock
);
2685 list_for_each_entry_safe(sb
, sb_next
, &phba
->lpfc_scsi_buf_list
, list
) {
2686 list_del(&sb
->list
);
2687 pci_pool_free(phba
->lpfc_scsi_dma_buf_pool
, sb
->data
,
2690 phba
->total_scsi_bufs
--;
2692 spin_unlock(&phba
->scsi_buf_list_lock
);
2694 /* Release all the lpfc_iocbq entries maintained by this host. */
2695 list_for_each_entry_safe(io
, io_next
, &phba
->lpfc_iocb_list
, list
) {
2696 list_del(&io
->list
);
2698 phba
->total_iocbq_bufs
--;
2701 spin_unlock_irq(&phba
->hbalock
);
2706 * lpfc_create_port - Create an FC port
2707 * @phba: pointer to lpfc hba data structure.
2708 * @instance: a unique integer ID to this FC port.
2709 * @dev: pointer to the device data structure.
2711 * This routine creates a FC port for the upper layer protocol. The FC port
2712 * can be created on top of either a physical port or a virtual port provided
2713 * by the HBA. This routine also allocates a SCSI host data structure (shost)
2714 * and associates the FC port created before adding the shost into the SCSI
2718 * @vport - pointer to the virtual N_Port data structure.
2719 * NULL - port create failed.
2722 lpfc_create_port(struct lpfc_hba
*phba
, int instance
, struct device
*dev
)
2724 struct lpfc_vport
*vport
;
2725 struct Scsi_Host
*shost
;
2728 if (dev
!= &phba
->pcidev
->dev
)
2729 shost
= scsi_host_alloc(&lpfc_vport_template
,
2730 sizeof(struct lpfc_vport
));
2732 shost
= scsi_host_alloc(&lpfc_template
,
2733 sizeof(struct lpfc_vport
));
2737 vport
= (struct lpfc_vport
*) shost
->hostdata
;
2739 vport
->load_flag
|= FC_LOADING
;
2740 vport
->fc_flag
|= FC_VPORT_NEEDS_REG_VPI
;
2741 vport
->fc_rscn_flush
= 0;
2743 lpfc_get_vport_cfgparam(vport
);
2744 shost
->unique_id
= instance
;
2745 shost
->max_id
= LPFC_MAX_TARGET
;
2746 shost
->max_lun
= vport
->cfg_max_luns
;
2747 shost
->this_id
= -1;
2748 shost
->max_cmd_len
= 16;
2749 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2750 shost
->dma_boundary
=
2751 phba
->sli4_hba
.pc_sli4_params
.sge_supp_len
-1;
2752 shost
->sg_tablesize
= phba
->cfg_sg_seg_cnt
;
2756 * Set initial can_queue value since 0 is no longer supported and
2757 * scsi_add_host will fail. This will be adjusted later based on the
2758 * max xri value determined in hba setup.
2760 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
2761 if (dev
!= &phba
->pcidev
->dev
) {
2762 shost
->transportt
= lpfc_vport_transport_template
;
2763 vport
->port_type
= LPFC_NPIV_PORT
;
2765 shost
->transportt
= lpfc_transport_template
;
2766 vport
->port_type
= LPFC_PHYSICAL_PORT
;
2769 /* Initialize all internally managed lists. */
2770 INIT_LIST_HEAD(&vport
->fc_nodes
);
2771 INIT_LIST_HEAD(&vport
->rcv_buffer_list
);
2772 spin_lock_init(&vport
->work_port_lock
);
2774 init_timer(&vport
->fc_disctmo
);
2775 vport
->fc_disctmo
.function
= lpfc_disc_timeout
;
2776 vport
->fc_disctmo
.data
= (unsigned long)vport
;
2778 init_timer(&vport
->fc_fdmitmo
);
2779 vport
->fc_fdmitmo
.function
= lpfc_fdmi_tmo
;
2780 vport
->fc_fdmitmo
.data
= (unsigned long)vport
;
2782 init_timer(&vport
->els_tmofunc
);
2783 vport
->els_tmofunc
.function
= lpfc_els_timeout
;
2784 vport
->els_tmofunc
.data
= (unsigned long)vport
;
2786 init_timer(&vport
->delayed_disc_tmo
);
2787 vport
->delayed_disc_tmo
.function
= lpfc_delayed_disc_tmo
;
2788 vport
->delayed_disc_tmo
.data
= (unsigned long)vport
;
2790 error
= scsi_add_host_with_dma(shost
, dev
, &phba
->pcidev
->dev
);
2794 spin_lock_irq(&phba
->hbalock
);
2795 list_add_tail(&vport
->listentry
, &phba
->port_list
);
2796 spin_unlock_irq(&phba
->hbalock
);
2800 scsi_host_put(shost
);
2806 * destroy_port - destroy an FC port
2807 * @vport: pointer to an lpfc virtual N_Port data structure.
2809 * This routine destroys a FC port from the upper layer protocol. All the
2810 * resources associated with the port are released.
2813 destroy_port(struct lpfc_vport
*vport
)
2815 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
2816 struct lpfc_hba
*phba
= vport
->phba
;
2818 lpfc_debugfs_terminate(vport
);
2819 fc_remove_host(shost
);
2820 scsi_remove_host(shost
);
2822 spin_lock_irq(&phba
->hbalock
);
2823 list_del_init(&vport
->listentry
);
2824 spin_unlock_irq(&phba
->hbalock
);
2826 lpfc_cleanup(vport
);
2831 * lpfc_get_instance - Get a unique integer ID
2833 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
2834 * uses the kernel idr facility to perform the task.
2837 * instance - a unique integer ID allocated as the new instance.
2838 * -1 - lpfc get instance failed.
2841 lpfc_get_instance(void)
2845 /* Assign an unused number */
2846 if (!idr_pre_get(&lpfc_hba_index
, GFP_KERNEL
))
2848 if (idr_get_new(&lpfc_hba_index
, NULL
, &instance
))
2854 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
2855 * @shost: pointer to SCSI host data structure.
2856 * @time: elapsed time of the scan in jiffies.
2858 * This routine is called by the SCSI layer with a SCSI host to determine
2859 * whether the scan host is finished.
2861 * Note: there is no scan_start function as adapter initialization will have
2862 * asynchronously kicked off the link initialization.
2865 * 0 - SCSI host scan is not over yet.
2866 * 1 - SCSI host scan is over.
2868 int lpfc_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
2870 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2871 struct lpfc_hba
*phba
= vport
->phba
;
2874 spin_lock_irq(shost
->host_lock
);
2876 if (vport
->load_flag
& FC_UNLOADING
) {
2880 if (time
>= 30 * HZ
) {
2881 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2882 "0461 Scanning longer than 30 "
2883 "seconds. Continuing initialization\n");
2887 if (time
>= 15 * HZ
&& phba
->link_state
<= LPFC_LINK_DOWN
) {
2888 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
2889 "0465 Link down longer than 15 "
2890 "seconds. Continuing initialization\n");
2895 if (vport
->port_state
!= LPFC_VPORT_READY
)
2897 if (vport
->num_disc_nodes
|| vport
->fc_prli_sent
)
2899 if (vport
->fc_map_cnt
== 0 && time
< 2 * HZ
)
2901 if ((phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) != 0)
2907 spin_unlock_irq(shost
->host_lock
);
2912 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
2913 * @shost: pointer to SCSI host data structure.
2915 * This routine initializes a given SCSI host attributes on a FC port. The
2916 * SCSI host can be either on top of a physical port or a virtual port.
2918 void lpfc_host_attrib_init(struct Scsi_Host
*shost
)
2920 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2921 struct lpfc_hba
*phba
= vport
->phba
;
2923 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
2926 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
2927 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
2928 fc_host_supported_classes(shost
) = FC_COS_CLASS3
;
2930 memset(fc_host_supported_fc4s(shost
), 0,
2931 sizeof(fc_host_supported_fc4s(shost
)));
2932 fc_host_supported_fc4s(shost
)[2] = 1;
2933 fc_host_supported_fc4s(shost
)[7] = 1;
2935 lpfc_vport_symbolic_node_name(vport
, fc_host_symbolic_name(shost
),
2936 sizeof fc_host_symbolic_name(shost
));
2938 fc_host_supported_speeds(shost
) = 0;
2939 if (phba
->lmt
& LMT_16Gb
)
2940 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_16GBIT
;
2941 if (phba
->lmt
& LMT_10Gb
)
2942 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_10GBIT
;
2943 if (phba
->lmt
& LMT_8Gb
)
2944 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_8GBIT
;
2945 if (phba
->lmt
& LMT_4Gb
)
2946 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_4GBIT
;
2947 if (phba
->lmt
& LMT_2Gb
)
2948 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_2GBIT
;
2949 if (phba
->lmt
& LMT_1Gb
)
2950 fc_host_supported_speeds(shost
) |= FC_PORTSPEED_1GBIT
;
2952 fc_host_maxframe_size(shost
) =
2953 (((uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeMsb
& 0x0F) << 8) |
2954 (uint32_t) vport
->fc_sparam
.cmn
.bbRcvSizeLsb
;
2956 fc_host_dev_loss_tmo(shost
) = vport
->cfg_devloss_tmo
;
2958 /* This value is also unchanging */
2959 memset(fc_host_active_fc4s(shost
), 0,
2960 sizeof(fc_host_active_fc4s(shost
)));
2961 fc_host_active_fc4s(shost
)[2] = 1;
2962 fc_host_active_fc4s(shost
)[7] = 1;
2964 fc_host_max_npiv_vports(shost
) = phba
->max_vpi
;
2965 spin_lock_irq(shost
->host_lock
);
2966 vport
->load_flag
&= ~FC_LOADING
;
2967 spin_unlock_irq(shost
->host_lock
);
2971 * lpfc_stop_port_s3 - Stop SLI3 device port
2972 * @phba: pointer to lpfc hba data structure.
2974 * This routine is invoked to stop an SLI3 device port, it stops the device
2975 * from generating interrupts and stops the device driver's timers for the
2979 lpfc_stop_port_s3(struct lpfc_hba
*phba
)
2981 /* Clear all interrupt enable conditions */
2982 writel(0, phba
->HCregaddr
);
2983 readl(phba
->HCregaddr
); /* flush */
2984 /* Clear all pending interrupts */
2985 writel(0xffffffff, phba
->HAregaddr
);
2986 readl(phba
->HAregaddr
); /* flush */
2988 /* Reset some HBA SLI setup states */
2989 lpfc_stop_hba_timers(phba
);
2990 phba
->pport
->work_port_events
= 0;
2994 * lpfc_stop_port_s4 - Stop SLI4 device port
2995 * @phba: pointer to lpfc hba data structure.
2997 * This routine is invoked to stop an SLI4 device port, it stops the device
2998 * from generating interrupts and stops the device driver's timers for the
3002 lpfc_stop_port_s4(struct lpfc_hba
*phba
)
3004 /* Reset some HBA SLI4 setup states */
3005 lpfc_stop_hba_timers(phba
);
3006 phba
->pport
->work_port_events
= 0;
3007 phba
->sli4_hba
.intr_enable
= 0;
3011 * lpfc_stop_port - Wrapper function for stopping hba port
3012 * @phba: Pointer to HBA context object.
3014 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
3015 * the API jump table function pointer from the lpfc_hba struct.
3018 lpfc_stop_port(struct lpfc_hba
*phba
)
3020 phba
->lpfc_stop_port(phba
);
3024 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
3025 * @phba: Pointer to hba for which this call is being executed.
3027 * This routine starts the timer waiting for the FCF rediscovery to complete.
3030 lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba
*phba
)
3032 unsigned long fcf_redisc_wait_tmo
=
3033 (jiffies
+ msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO
));
3034 /* Start fcf rediscovery wait period timer */
3035 mod_timer(&phba
->fcf
.redisc_wait
, fcf_redisc_wait_tmo
);
3036 spin_lock_irq(&phba
->hbalock
);
3037 /* Allow action to new fcf asynchronous event */
3038 phba
->fcf
.fcf_flag
&= ~(FCF_AVAILABLE
| FCF_SCAN_DONE
);
3039 /* Mark the FCF rediscovery pending state */
3040 phba
->fcf
.fcf_flag
|= FCF_REDISC_PEND
;
3041 spin_unlock_irq(&phba
->hbalock
);
3045 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
3046 * @ptr: Map to lpfc_hba data structure pointer.
3048 * This routine is invoked when waiting for FCF table rediscover has been
3049 * timed out. If new FCF record(s) has (have) been discovered during the
3050 * wait period, a new FCF event shall be added to the FCOE async event
3051 * list, and then worker thread shall be waked up for processing from the
3052 * worker thread context.
3055 lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr
)
3057 struct lpfc_hba
*phba
= (struct lpfc_hba
*)ptr
;
3059 /* Don't send FCF rediscovery event if timer cancelled */
3060 spin_lock_irq(&phba
->hbalock
);
3061 if (!(phba
->fcf
.fcf_flag
& FCF_REDISC_PEND
)) {
3062 spin_unlock_irq(&phba
->hbalock
);
3065 /* Clear FCF rediscovery timer pending flag */
3066 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_PEND
;
3067 /* FCF rediscovery event to worker thread */
3068 phba
->fcf
.fcf_flag
|= FCF_REDISC_EVT
;
3069 spin_unlock_irq(&phba
->hbalock
);
3070 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
3071 "2776 FCF rediscover quiescent timer expired\n");
3072 /* wake up worker thread */
3073 lpfc_worker_wake_up(phba
);
3077 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
3078 * @phba: pointer to lpfc hba data structure.
3079 * @acqe_link: pointer to the async link completion queue entry.
3081 * This routine is to parse the SLI4 link-attention link fault code and
3082 * translate it into the base driver's read link attention mailbox command
3085 * Return: Link-attention status in terms of base driver's coding.
3088 lpfc_sli4_parse_latt_fault(struct lpfc_hba
*phba
,
3089 struct lpfc_acqe_link
*acqe_link
)
3091 uint16_t latt_fault
;
3093 switch (bf_get(lpfc_acqe_link_fault
, acqe_link
)) {
3094 case LPFC_ASYNC_LINK_FAULT_NONE
:
3095 case LPFC_ASYNC_LINK_FAULT_LOCAL
:
3096 case LPFC_ASYNC_LINK_FAULT_REMOTE
:
3100 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3101 "0398 Invalid link fault code: x%x\n",
3102 bf_get(lpfc_acqe_link_fault
, acqe_link
));
3103 latt_fault
= MBXERR_ERROR
;
3110 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
3111 * @phba: pointer to lpfc hba data structure.
3112 * @acqe_link: pointer to the async link completion queue entry.
3114 * This routine is to parse the SLI4 link attention type and translate it
3115 * into the base driver's link attention type coding.
3117 * Return: Link attention type in terms of base driver's coding.
3120 lpfc_sli4_parse_latt_type(struct lpfc_hba
*phba
,
3121 struct lpfc_acqe_link
*acqe_link
)
3125 switch (bf_get(lpfc_acqe_link_status
, acqe_link
)) {
3126 case LPFC_ASYNC_LINK_STATUS_DOWN
:
3127 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN
:
3128 att_type
= LPFC_ATT_LINK_DOWN
;
3130 case LPFC_ASYNC_LINK_STATUS_UP
:
3131 /* Ignore physical link up events - wait for logical link up */
3132 att_type
= LPFC_ATT_RESERVED
;
3134 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP
:
3135 att_type
= LPFC_ATT_LINK_UP
;
3138 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3139 "0399 Invalid link attention type: x%x\n",
3140 bf_get(lpfc_acqe_link_status
, acqe_link
));
3141 att_type
= LPFC_ATT_RESERVED
;
3148 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
3149 * @phba: pointer to lpfc hba data structure.
3150 * @acqe_link: pointer to the async link completion queue entry.
3152 * This routine is to parse the SLI4 link-attention link speed and translate
3153 * it into the base driver's link-attention link speed coding.
3155 * Return: Link-attention link speed in terms of base driver's coding.
3158 lpfc_sli4_parse_latt_link_speed(struct lpfc_hba
*phba
,
3159 struct lpfc_acqe_link
*acqe_link
)
3163 switch (bf_get(lpfc_acqe_link_speed
, acqe_link
)) {
3164 case LPFC_ASYNC_LINK_SPEED_ZERO
:
3165 case LPFC_ASYNC_LINK_SPEED_10MBPS
:
3166 case LPFC_ASYNC_LINK_SPEED_100MBPS
:
3167 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3169 case LPFC_ASYNC_LINK_SPEED_1GBPS
:
3170 link_speed
= LPFC_LINK_SPEED_1GHZ
;
3172 case LPFC_ASYNC_LINK_SPEED_10GBPS
:
3173 link_speed
= LPFC_LINK_SPEED_10GHZ
;
3176 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3177 "0483 Invalid link-attention link speed: x%x\n",
3178 bf_get(lpfc_acqe_link_speed
, acqe_link
));
3179 link_speed
= LPFC_LINK_SPEED_UNKNOWN
;
3186 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
3187 * @phba: pointer to lpfc hba data structure.
3188 * @acqe_link: pointer to the async link completion queue entry.
3190 * This routine is to handle the SLI4 asynchronous FCoE link event.
3193 lpfc_sli4_async_link_evt(struct lpfc_hba
*phba
,
3194 struct lpfc_acqe_link
*acqe_link
)
3196 struct lpfc_dmabuf
*mp
;
3199 struct lpfc_mbx_read_top
*la
;
3203 att_type
= lpfc_sli4_parse_latt_type(phba
, acqe_link
);
3204 if (att_type
!= LPFC_ATT_LINK_DOWN
&& att_type
!= LPFC_ATT_LINK_UP
)
3206 phba
->fcoe_eventtag
= acqe_link
->event_tag
;
3207 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3209 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3210 "0395 The mboxq allocation failed\n");
3213 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3215 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3216 "0396 The lpfc_dmabuf allocation failed\n");
3219 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3221 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3222 "0397 The mbuf allocation failed\n");
3223 goto out_free_dmabuf
;
3226 /* Cleanup any outstanding ELS commands */
3227 lpfc_els_flush_all_cmd(phba
);
3229 /* Block ELS IOCBs until we have done process link event */
3230 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3232 /* Update link event statistics */
3233 phba
->sli
.slistat
.link_event
++;
3235 /* Create lpfc_handle_latt mailbox command from link ACQE */
3236 lpfc_read_topology(phba
, pmb
, mp
);
3237 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3238 pmb
->vport
= phba
->pport
;
3240 /* Keep the link status for extra SLI4 state machine reference */
3241 phba
->sli4_hba
.link_state
.speed
=
3242 bf_get(lpfc_acqe_link_speed
, acqe_link
);
3243 phba
->sli4_hba
.link_state
.duplex
=
3244 bf_get(lpfc_acqe_link_duplex
, acqe_link
);
3245 phba
->sli4_hba
.link_state
.status
=
3246 bf_get(lpfc_acqe_link_status
, acqe_link
);
3247 phba
->sli4_hba
.link_state
.type
=
3248 bf_get(lpfc_acqe_link_type
, acqe_link
);
3249 phba
->sli4_hba
.link_state
.number
=
3250 bf_get(lpfc_acqe_link_number
, acqe_link
);
3251 phba
->sli4_hba
.link_state
.fault
=
3252 bf_get(lpfc_acqe_link_fault
, acqe_link
);
3253 phba
->sli4_hba
.link_state
.logical_speed
=
3254 bf_get(lpfc_acqe_logical_link_speed
, acqe_link
);
3255 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3256 "2900 Async FC/FCoE Link event - Speed:%dGBit "
3257 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
3258 "Logical speed:%dMbps Fault:%d\n",
3259 phba
->sli4_hba
.link_state
.speed
,
3260 phba
->sli4_hba
.link_state
.topology
,
3261 phba
->sli4_hba
.link_state
.status
,
3262 phba
->sli4_hba
.link_state
.type
,
3263 phba
->sli4_hba
.link_state
.number
,
3264 phba
->sli4_hba
.link_state
.logical_speed
* 10,
3265 phba
->sli4_hba
.link_state
.fault
);
3267 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
3268 * topology info. Note: Optional for non FC-AL ports.
3270 if (!(phba
->hba_flag
& HBA_FCOE_MODE
)) {
3271 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3272 if (rc
== MBX_NOT_FINISHED
)
3273 goto out_free_dmabuf
;
3277 * For FCoE Mode: fill in all the topology information we need and call
3278 * the READ_TOPOLOGY completion routine to continue without actually
3279 * sending the READ_TOPOLOGY mailbox command to the port.
3281 /* Parse and translate status field */
3283 mb
->mbxStatus
= lpfc_sli4_parse_latt_fault(phba
, acqe_link
);
3285 /* Parse and translate link attention fields */
3286 la
= (struct lpfc_mbx_read_top
*) &pmb
->u
.mb
.un
.varReadTop
;
3287 la
->eventTag
= acqe_link
->event_tag
;
3288 bf_set(lpfc_mbx_read_top_att_type
, la
, att_type
);
3289 bf_set(lpfc_mbx_read_top_link_spd
, la
,
3290 lpfc_sli4_parse_latt_link_speed(phba
, acqe_link
));
3292 /* Fake the the following irrelvant fields */
3293 bf_set(lpfc_mbx_read_top_topology
, la
, LPFC_TOPOLOGY_PT_PT
);
3294 bf_set(lpfc_mbx_read_top_alpa_granted
, la
, 0);
3295 bf_set(lpfc_mbx_read_top_il
, la
, 0);
3296 bf_set(lpfc_mbx_read_top_pb
, la
, 0);
3297 bf_set(lpfc_mbx_read_top_fa
, la
, 0);
3298 bf_set(lpfc_mbx_read_top_mm
, la
, 0);
3300 /* Invoke the lpfc_handle_latt mailbox command callback function */
3301 lpfc_mbx_cmpl_read_topology(phba
, pmb
);
3308 mempool_free(pmb
, phba
->mbox_mem_pool
);
3312 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
3313 * @phba: pointer to lpfc hba data structure.
3314 * @acqe_fc: pointer to the async fc completion queue entry.
3316 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
3317 * that the event was received and then issue a read_topology mailbox command so
3318 * that the rest of the driver will treat it the same as SLI3.
3321 lpfc_sli4_async_fc_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_fc_la
*acqe_fc
)
3323 struct lpfc_dmabuf
*mp
;
3327 if (bf_get(lpfc_trailer_type
, acqe_fc
) !=
3328 LPFC_FC_LA_EVENT_TYPE_FC_LINK
) {
3329 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3330 "2895 Non FC link Event detected.(%d)\n",
3331 bf_get(lpfc_trailer_type
, acqe_fc
));
3334 /* Keep the link status for extra SLI4 state machine reference */
3335 phba
->sli4_hba
.link_state
.speed
=
3336 bf_get(lpfc_acqe_fc_la_speed
, acqe_fc
);
3337 phba
->sli4_hba
.link_state
.duplex
= LPFC_ASYNC_LINK_DUPLEX_FULL
;
3338 phba
->sli4_hba
.link_state
.topology
=
3339 bf_get(lpfc_acqe_fc_la_topology
, acqe_fc
);
3340 phba
->sli4_hba
.link_state
.status
=
3341 bf_get(lpfc_acqe_fc_la_att_type
, acqe_fc
);
3342 phba
->sli4_hba
.link_state
.type
=
3343 bf_get(lpfc_acqe_fc_la_port_type
, acqe_fc
);
3344 phba
->sli4_hba
.link_state
.number
=
3345 bf_get(lpfc_acqe_fc_la_port_number
, acqe_fc
);
3346 phba
->sli4_hba
.link_state
.fault
=
3347 bf_get(lpfc_acqe_link_fault
, acqe_fc
);
3348 phba
->sli4_hba
.link_state
.logical_speed
=
3349 bf_get(lpfc_acqe_fc_la_llink_spd
, acqe_fc
);
3350 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3351 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
3352 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
3353 "%dMbps Fault:%d\n",
3354 phba
->sli4_hba
.link_state
.speed
,
3355 phba
->sli4_hba
.link_state
.topology
,
3356 phba
->sli4_hba
.link_state
.status
,
3357 phba
->sli4_hba
.link_state
.type
,
3358 phba
->sli4_hba
.link_state
.number
,
3359 phba
->sli4_hba
.link_state
.logical_speed
* 10,
3360 phba
->sli4_hba
.link_state
.fault
);
3361 pmb
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3363 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3364 "2897 The mboxq allocation failed\n");
3367 mp
= kmalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
3369 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3370 "2898 The lpfc_dmabuf allocation failed\n");
3373 mp
->virt
= lpfc_mbuf_alloc(phba
, 0, &mp
->phys
);
3375 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3376 "2899 The mbuf allocation failed\n");
3377 goto out_free_dmabuf
;
3380 /* Cleanup any outstanding ELS commands */
3381 lpfc_els_flush_all_cmd(phba
);
3383 /* Block ELS IOCBs until we have done process link event */
3384 phba
->sli
.ring
[LPFC_ELS_RING
].flag
|= LPFC_STOP_IOCB_EVENT
;
3386 /* Update link event statistics */
3387 phba
->sli
.slistat
.link_event
++;
3389 /* Create lpfc_handle_latt mailbox command from link ACQE */
3390 lpfc_read_topology(phba
, pmb
, mp
);
3391 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_read_topology
;
3392 pmb
->vport
= phba
->pport
;
3394 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3395 if (rc
== MBX_NOT_FINISHED
)
3396 goto out_free_dmabuf
;
3402 mempool_free(pmb
, phba
->mbox_mem_pool
);
3406 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
3407 * @phba: pointer to lpfc hba data structure.
3408 * @acqe_fc: pointer to the async SLI completion queue entry.
3410 * This routine is to handle the SLI4 asynchronous SLI events.
3413 lpfc_sli4_async_sli_evt(struct lpfc_hba
*phba
, struct lpfc_acqe_sli
*acqe_sli
)
3415 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3416 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
3417 "x%08x SLI Event Type:%d",
3418 acqe_sli
->event_data1
, acqe_sli
->event_data2
,
3419 bf_get(lpfc_trailer_type
, acqe_sli
));
3424 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
3425 * @vport: pointer to vport data structure.
3427 * This routine is to perform Clear Virtual Link (CVL) on a vport in
3428 * response to a CVL event.
3430 * Return the pointer to the ndlp with the vport if successful, otherwise
3433 static struct lpfc_nodelist
*
3434 lpfc_sli4_perform_vport_cvl(struct lpfc_vport
*vport
)
3436 struct lpfc_nodelist
*ndlp
;
3437 struct Scsi_Host
*shost
;
3438 struct lpfc_hba
*phba
;
3445 ndlp
= lpfc_findnode_did(vport
, Fabric_DID
);
3447 /* Cannot find existing Fabric ndlp, so allocate a new one */
3448 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
3451 lpfc_nlp_init(vport
, ndlp
, Fabric_DID
);
3452 /* Set the node type */
3453 ndlp
->nlp_type
|= NLP_FABRIC
;
3454 /* Put ndlp onto node list */
3455 lpfc_enqueue_node(vport
, ndlp
);
3456 } else if (!NLP_CHK_NODE_ACT(ndlp
)) {
3457 /* re-setup ndlp without removing from node list */
3458 ndlp
= lpfc_enable_node(vport
, ndlp
, NLP_STE_UNUSED_NODE
);
3462 if ((phba
->pport
->port_state
< LPFC_FLOGI
) &&
3463 (phba
->pport
->port_state
!= LPFC_VPORT_FAILED
))
3465 /* If virtual link is not yet instantiated ignore CVL */
3466 if ((vport
!= phba
->pport
) && (vport
->port_state
< LPFC_FDISC
)
3467 && (vport
->port_state
!= LPFC_VPORT_FAILED
))
3469 shost
= lpfc_shost_from_vport(vport
);
3472 lpfc_linkdown_port(vport
);
3473 lpfc_cleanup_pending_mbox(vport
);
3474 spin_lock_irq(shost
->host_lock
);
3475 vport
->fc_flag
|= FC_VPORT_CVL_RCVD
;
3476 spin_unlock_irq(shost
->host_lock
);
3482 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
3483 * @vport: pointer to lpfc hba data structure.
3485 * This routine is to perform Clear Virtual Link (CVL) on all vports in
3486 * response to a FCF dead event.
3489 lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba
*phba
)
3491 struct lpfc_vport
**vports
;
3494 vports
= lpfc_create_vport_work_array(phba
);
3496 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
3497 lpfc_sli4_perform_vport_cvl(vports
[i
]);
3498 lpfc_destroy_vport_work_array(phba
, vports
);
3502 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
3503 * @phba: pointer to lpfc hba data structure.
3504 * @acqe_link: pointer to the async fcoe completion queue entry.
3506 * This routine is to handle the SLI4 asynchronous fcoe event.
3509 lpfc_sli4_async_fip_evt(struct lpfc_hba
*phba
,
3510 struct lpfc_acqe_fip
*acqe_fip
)
3512 uint8_t event_type
= bf_get(lpfc_trailer_type
, acqe_fip
);
3514 struct lpfc_vport
*vport
;
3515 struct lpfc_nodelist
*ndlp
;
3516 struct Scsi_Host
*shost
;
3517 int active_vlink_present
;
3518 struct lpfc_vport
**vports
;
3521 phba
->fc_eventTag
= acqe_fip
->event_tag
;
3522 phba
->fcoe_eventtag
= acqe_fip
->event_tag
;
3523 switch (event_type
) {
3524 case LPFC_FIP_EVENT_TYPE_NEW_FCF
:
3525 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD
:
3526 if (event_type
== LPFC_FIP_EVENT_TYPE_NEW_FCF
)
3527 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
3529 "2546 New FCF event, evt_tag:x%x, "
3531 acqe_fip
->event_tag
,
3534 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
|
3536 "2788 FCF param modified event, "
3537 "evt_tag:x%x, index:x%x\n",
3538 acqe_fip
->event_tag
,
3540 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
3542 * During period of FCF discovery, read the FCF
3543 * table record indexed by the event to update
3544 * FCF roundrobin failover eligible FCF bmask.
3546 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
3548 "2779 Read FCF (x%x) for updating "
3549 "roundrobin FCF failover bmask\n",
3551 rc
= lpfc_sli4_read_fcf_rec(phba
, acqe_fip
->index
);
3554 /* If the FCF discovery is in progress, do nothing. */
3555 spin_lock_irq(&phba
->hbalock
);
3556 if (phba
->hba_flag
& FCF_TS_INPROG
) {
3557 spin_unlock_irq(&phba
->hbalock
);
3560 /* If fast FCF failover rescan event is pending, do nothing */
3561 if (phba
->fcf
.fcf_flag
& FCF_REDISC_EVT
) {
3562 spin_unlock_irq(&phba
->hbalock
);
3566 /* If the FCF has been in discovered state, do nothing. */
3567 if (phba
->fcf
.fcf_flag
& FCF_SCAN_DONE
) {
3568 spin_unlock_irq(&phba
->hbalock
);
3571 spin_unlock_irq(&phba
->hbalock
);
3573 /* Otherwise, scan the entire FCF table and re-discover SAN */
3574 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
3575 "2770 Start FCF table scan per async FCF "
3576 "event, evt_tag:x%x, index:x%x\n",
3577 acqe_fip
->event_tag
, acqe_fip
->index
);
3578 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
,
3579 LPFC_FCOE_FCF_GET_FIRST
);
3581 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
3582 "2547 Issue FCF scan read FCF mailbox "
3583 "command failed (x%x)\n", rc
);
3586 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL
:
3587 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3588 "2548 FCF Table full count 0x%x tag 0x%x\n",
3589 bf_get(lpfc_acqe_fip_fcf_count
, acqe_fip
),
3590 acqe_fip
->event_tag
);
3593 case LPFC_FIP_EVENT_TYPE_FCF_DEAD
:
3594 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
3595 "2549 FCF (x%x) disconnected from network, "
3596 "tag:x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
3598 * If we are in the middle of FCF failover process, clear
3599 * the corresponding FCF bit in the roundrobin bitmap.
3601 spin_lock_irq(&phba
->hbalock
);
3602 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
3603 spin_unlock_irq(&phba
->hbalock
);
3604 /* Update FLOGI FCF failover eligible FCF bmask */
3605 lpfc_sli4_fcf_rr_index_clear(phba
, acqe_fip
->index
);
3608 spin_unlock_irq(&phba
->hbalock
);
3610 /* If the event is not for currently used fcf do nothing */
3611 if (phba
->fcf
.current_rec
.fcf_indx
!= acqe_fip
->index
)
3615 * Otherwise, request the port to rediscover the entire FCF
3616 * table for a fast recovery from case that the current FCF
3617 * is no longer valid as we are not in the middle of FCF
3618 * failover process already.
3620 spin_lock_irq(&phba
->hbalock
);
3621 /* Mark the fast failover process in progress */
3622 phba
->fcf
.fcf_flag
|= FCF_DEAD_DISC
;
3623 spin_unlock_irq(&phba
->hbalock
);
3625 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
3626 "2771 Start FCF fast failover process due to "
3627 "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
3628 "\n", acqe_fip
->event_tag
, acqe_fip
->index
);
3629 rc
= lpfc_sli4_redisc_fcf_table(phba
);
3631 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
3633 "2772 Issue FCF rediscover mabilbox "
3634 "command failed, fail through to FCF "
3636 spin_lock_irq(&phba
->hbalock
);
3637 phba
->fcf
.fcf_flag
&= ~FCF_DEAD_DISC
;
3638 spin_unlock_irq(&phba
->hbalock
);
3640 * Last resort will fail over by treating this
3641 * as a link down to FCF registration.
3643 lpfc_sli4_fcf_dead_failthrough(phba
);
3645 /* Reset FCF roundrobin bmask for new discovery */
3646 lpfc_sli4_clear_fcf_rr_bmask(phba
);
3648 * Handling fast FCF failover to a DEAD FCF event is
3649 * considered equalivant to receiving CVL to all vports.
3651 lpfc_sli4_perform_all_vport_cvl(phba
);
3654 case LPFC_FIP_EVENT_TYPE_CVL
:
3655 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
3656 "2718 Clear Virtual Link Received for VPI 0x%x"
3657 " tag 0x%x\n", acqe_fip
->index
, acqe_fip
->event_tag
);
3659 vport
= lpfc_find_vport_by_vpid(phba
,
3661 ndlp
= lpfc_sli4_perform_vport_cvl(vport
);
3664 active_vlink_present
= 0;
3666 vports
= lpfc_create_vport_work_array(phba
);
3668 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
;
3670 if ((!(vports
[i
]->fc_flag
&
3671 FC_VPORT_CVL_RCVD
)) &&
3672 (vports
[i
]->port_state
> LPFC_FDISC
)) {
3673 active_vlink_present
= 1;
3677 lpfc_destroy_vport_work_array(phba
, vports
);
3680 if (active_vlink_present
) {
3682 * If there are other active VLinks present,
3683 * re-instantiate the Vlink using FDISC.
3685 mod_timer(&ndlp
->nlp_delayfunc
, jiffies
+ HZ
);
3686 shost
= lpfc_shost_from_vport(vport
);
3687 spin_lock_irq(shost
->host_lock
);
3688 ndlp
->nlp_flag
|= NLP_DELAY_TMO
;
3689 spin_unlock_irq(shost
->host_lock
);
3690 ndlp
->nlp_last_elscmd
= ELS_CMD_FDISC
;
3691 vport
->port_state
= LPFC_FDISC
;
3694 * Otherwise, we request port to rediscover
3695 * the entire FCF table for a fast recovery
3696 * from possible case that the current FCF
3697 * is no longer valid if we are not already
3698 * in the FCF failover process.
3700 spin_lock_irq(&phba
->hbalock
);
3701 if (phba
->fcf
.fcf_flag
& FCF_DISCOVERY
) {
3702 spin_unlock_irq(&phba
->hbalock
);
3705 /* Mark the fast failover process in progress */
3706 phba
->fcf
.fcf_flag
|= FCF_ACVL_DISC
;
3707 spin_unlock_irq(&phba
->hbalock
);
3708 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
|
3710 "2773 Start FCF failover per CVL, "
3711 "evt_tag:x%x\n", acqe_fip
->event_tag
);
3712 rc
= lpfc_sli4_redisc_fcf_table(phba
);
3714 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
|
3716 "2774 Issue FCF rediscover "
3717 "mabilbox command failed, "
3718 "through to CVL event\n");
3719 spin_lock_irq(&phba
->hbalock
);
3720 phba
->fcf
.fcf_flag
&= ~FCF_ACVL_DISC
;
3721 spin_unlock_irq(&phba
->hbalock
);
3723 * Last resort will be re-try on the
3724 * the current registered FCF entry.
3726 lpfc_retry_pport_discovery(phba
);
3729 * Reset FCF roundrobin bmask for new
3732 lpfc_sli4_clear_fcf_rr_bmask(phba
);
3736 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3737 "0288 Unknown FCoE event type 0x%x event tag "
3738 "0x%x\n", event_type
, acqe_fip
->event_tag
);
3744 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
3745 * @phba: pointer to lpfc hba data structure.
3746 * @acqe_link: pointer to the async dcbx completion queue entry.
3748 * This routine is to handle the SLI4 asynchronous dcbx event.
3751 lpfc_sli4_async_dcbx_evt(struct lpfc_hba
*phba
,
3752 struct lpfc_acqe_dcbx
*acqe_dcbx
)
3754 phba
->fc_eventTag
= acqe_dcbx
->event_tag
;
3755 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3756 "0290 The SLI4 DCBX asynchronous event is not "
3761 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
3762 * @phba: pointer to lpfc hba data structure.
3763 * @acqe_link: pointer to the async grp5 completion queue entry.
3765 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
3766 * is an asynchronous notified of a logical link speed change. The Port
3767 * reports the logical link speed in units of 10Mbps.
3770 lpfc_sli4_async_grp5_evt(struct lpfc_hba
*phba
,
3771 struct lpfc_acqe_grp5
*acqe_grp5
)
3773 uint16_t prev_ll_spd
;
3775 phba
->fc_eventTag
= acqe_grp5
->event_tag
;
3776 phba
->fcoe_eventtag
= acqe_grp5
->event_tag
;
3777 prev_ll_spd
= phba
->sli4_hba
.link_state
.logical_speed
;
3778 phba
->sli4_hba
.link_state
.logical_speed
=
3779 (bf_get(lpfc_acqe_grp5_llink_spd
, acqe_grp5
));
3780 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3781 "2789 GRP5 Async Event: Updating logical link speed "
3782 "from %dMbps to %dMbps\n", (prev_ll_spd
* 10),
3783 (phba
->sli4_hba
.link_state
.logical_speed
*10));
3787 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
3788 * @phba: pointer to lpfc hba data structure.
3790 * This routine is invoked by the worker thread to process all the pending
3791 * SLI4 asynchronous events.
3793 void lpfc_sli4_async_event_proc(struct lpfc_hba
*phba
)
3795 struct lpfc_cq_event
*cq_event
;
3797 /* First, declare the async event has been handled */
3798 spin_lock_irq(&phba
->hbalock
);
3799 phba
->hba_flag
&= ~ASYNC_EVENT
;
3800 spin_unlock_irq(&phba
->hbalock
);
3801 /* Now, handle all the async events */
3802 while (!list_empty(&phba
->sli4_hba
.sp_asynce_work_queue
)) {
3803 /* Get the first event from the head of the event queue */
3804 spin_lock_irq(&phba
->hbalock
);
3805 list_remove_head(&phba
->sli4_hba
.sp_asynce_work_queue
,
3806 cq_event
, struct lpfc_cq_event
, list
);
3807 spin_unlock_irq(&phba
->hbalock
);
3808 /* Process the asynchronous event */
3809 switch (bf_get(lpfc_trailer_code
, &cq_event
->cqe
.mcqe_cmpl
)) {
3810 case LPFC_TRAILER_CODE_LINK
:
3811 lpfc_sli4_async_link_evt(phba
,
3812 &cq_event
->cqe
.acqe_link
);
3814 case LPFC_TRAILER_CODE_FCOE
:
3815 lpfc_sli4_async_fip_evt(phba
, &cq_event
->cqe
.acqe_fip
);
3817 case LPFC_TRAILER_CODE_DCBX
:
3818 lpfc_sli4_async_dcbx_evt(phba
,
3819 &cq_event
->cqe
.acqe_dcbx
);
3821 case LPFC_TRAILER_CODE_GRP5
:
3822 lpfc_sli4_async_grp5_evt(phba
,
3823 &cq_event
->cqe
.acqe_grp5
);
3825 case LPFC_TRAILER_CODE_FC
:
3826 lpfc_sli4_async_fc_evt(phba
, &cq_event
->cqe
.acqe_fc
);
3828 case LPFC_TRAILER_CODE_SLI
:
3829 lpfc_sli4_async_sli_evt(phba
, &cq_event
->cqe
.acqe_sli
);
3832 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3833 "1804 Invalid asynchrous event code: "
3834 "x%x\n", bf_get(lpfc_trailer_code
,
3835 &cq_event
->cqe
.mcqe_cmpl
));
3838 /* Free the completion event processed to the free pool */
3839 lpfc_sli4_cq_event_release(phba
, cq_event
);
3844 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
3845 * @phba: pointer to lpfc hba data structure.
3847 * This routine is invoked by the worker thread to process FCF table
3848 * rediscovery pending completion event.
3850 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba
*phba
)
3854 spin_lock_irq(&phba
->hbalock
);
3855 /* Clear FCF rediscovery timeout event */
3856 phba
->fcf
.fcf_flag
&= ~FCF_REDISC_EVT
;
3857 /* Clear driver fast failover FCF record flag */
3858 phba
->fcf
.failover_rec
.flag
= 0;
3859 /* Set state for FCF fast failover */
3860 phba
->fcf
.fcf_flag
|= FCF_REDISC_FOV
;
3861 spin_unlock_irq(&phba
->hbalock
);
3863 /* Scan FCF table from the first entry to re-discover SAN */
3864 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
| LOG_DISCOVERY
,
3865 "2777 Start post-quiescent FCF table scan\n");
3866 rc
= lpfc_sli4_fcf_scan_read_fcf_rec(phba
, LPFC_FCOE_FCF_GET_FIRST
);
3868 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_DISCOVERY
,
3869 "2747 Issue FCF scan read FCF mailbox "
3870 "command failed 0x%x\n", rc
);
3874 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
3875 * @phba: pointer to lpfc hba data structure.
3876 * @dev_grp: The HBA PCI-Device group number.
3878 * This routine is invoked to set up the per HBA PCI-Device group function
3879 * API jump table entries.
3881 * Return: 0 if success, otherwise -ENODEV
3884 lpfc_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
3888 /* Set up lpfc PCI-device group */
3889 phba
->pci_dev_grp
= dev_grp
;
3891 /* The LPFC_PCI_DEV_OC uses SLI4 */
3892 if (dev_grp
== LPFC_PCI_DEV_OC
)
3893 phba
->sli_rev
= LPFC_SLI_REV4
;
3895 /* Set up device INIT API function jump table */
3896 rc
= lpfc_init_api_table_setup(phba
, dev_grp
);
3899 /* Set up SCSI API function jump table */
3900 rc
= lpfc_scsi_api_table_setup(phba
, dev_grp
);
3903 /* Set up SLI API function jump table */
3904 rc
= lpfc_sli_api_table_setup(phba
, dev_grp
);
3907 /* Set up MBOX API function jump table */
3908 rc
= lpfc_mbox_api_table_setup(phba
, dev_grp
);
3916 * lpfc_log_intr_mode - Log the active interrupt mode
3917 * @phba: pointer to lpfc hba data structure.
3918 * @intr_mode: active interrupt mode adopted.
3920 * This routine it invoked to log the currently used active interrupt mode
3923 static void lpfc_log_intr_mode(struct lpfc_hba
*phba
, uint32_t intr_mode
)
3925 switch (intr_mode
) {
3927 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3928 "0470 Enable INTx interrupt mode.\n");
3931 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3932 "0481 Enabled MSI interrupt mode.\n");
3935 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3936 "0480 Enabled MSI-X interrupt mode.\n");
3939 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3940 "0482 Illegal interrupt mode.\n");
3947 * lpfc_enable_pci_dev - Enable a generic PCI device.
3948 * @phba: pointer to lpfc hba data structure.
3950 * This routine is invoked to enable the PCI device that is common to all
3955 * other values - error
3958 lpfc_enable_pci_dev(struct lpfc_hba
*phba
)
3960 struct pci_dev
*pdev
;
3963 /* Obtain PCI device reference */
3967 pdev
= phba
->pcidev
;
3968 /* Select PCI BARs */
3969 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
3970 /* Enable PCI device */
3971 if (pci_enable_device_mem(pdev
))
3973 /* Request PCI resource for the device */
3974 if (pci_request_selected_regions(pdev
, bars
, LPFC_DRIVER_NAME
))
3975 goto out_disable_device
;
3976 /* Set up device as PCI master and save state for EEH */
3977 pci_set_master(pdev
);
3978 pci_try_set_mwi(pdev
);
3979 pci_save_state(pdev
);
3981 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
3982 if (pci_find_capability(pdev
, PCI_CAP_ID_EXP
))
3983 pdev
->needs_freset
= 1;
3988 pci_disable_device(pdev
);
3990 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3991 "1401 Failed to enable pci device, bars:x%x\n", bars
);
3996 * lpfc_disable_pci_dev - Disable a generic PCI device.
3997 * @phba: pointer to lpfc hba data structure.
3999 * This routine is invoked to disable the PCI device that is common to all
4003 lpfc_disable_pci_dev(struct lpfc_hba
*phba
)
4005 struct pci_dev
*pdev
;
4008 /* Obtain PCI device reference */
4012 pdev
= phba
->pcidev
;
4013 /* Select PCI BARs */
4014 bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
4015 /* Release PCI resource and disable PCI device */
4016 pci_release_selected_regions(pdev
, bars
);
4017 pci_disable_device(pdev
);
4018 /* Null out PCI private reference to driver */
4019 pci_set_drvdata(pdev
, NULL
);
4025 * lpfc_reset_hba - Reset a hba
4026 * @phba: pointer to lpfc hba data structure.
4028 * This routine is invoked to reset a hba device. It brings the HBA
4029 * offline, performs a board restart, and then brings the board back
4030 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
4031 * on outstanding mailbox commands.
4034 lpfc_reset_hba(struct lpfc_hba
*phba
)
4036 /* If resets are disabled then set error state and return. */
4037 if (!phba
->cfg_enable_hba_reset
) {
4038 phba
->link_state
= LPFC_HBA_ERROR
;
4041 lpfc_offline_prep(phba
);
4043 lpfc_sli_brdrestart(phba
);
4045 lpfc_unblock_mgmt_io(phba
);
4049 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
4050 * @phba: pointer to lpfc hba data structure.
4052 * This function enables the PCI SR-IOV virtual functions to a physical
4053 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4054 * enable the number of virtual functions to the physical function. As
4055 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4056 * API call does not considered as an error condition for most of the device.
4059 lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba
*phba
)
4061 struct pci_dev
*pdev
= phba
->pcidev
;
4065 pos
= pci_find_ext_capability(pdev
, PCI_EXT_CAP_ID_SRIOV
);
4069 pci_read_config_word(pdev
, pos
+ PCI_SRIOV_TOTAL_VF
, &nr_virtfn
);
4074 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
4075 * @phba: pointer to lpfc hba data structure.
4076 * @nr_vfn: number of virtual functions to be enabled.
4078 * This function enables the PCI SR-IOV virtual functions to a physical
4079 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4080 * enable the number of virtual functions to the physical function. As
4081 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4082 * API call does not considered as an error condition for most of the device.
4085 lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba
*phba
, int nr_vfn
)
4087 struct pci_dev
*pdev
= phba
->pcidev
;
4088 uint16_t max_nr_vfn
;
4091 max_nr_vfn
= lpfc_sli_sriov_nr_virtfn_get(phba
);
4092 if (nr_vfn
> max_nr_vfn
) {
4093 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4094 "3057 Requested vfs (%d) greater than "
4095 "supported vfs (%d)", nr_vfn
, max_nr_vfn
);
4099 rc
= pci_enable_sriov(pdev
, nr_vfn
);
4101 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4102 "2806 Failed to enable sriov on this device "
4103 "with vfn number nr_vf:%d, rc:%d\n",
4106 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4107 "2807 Successful enable sriov on this device "
4108 "with vfn number nr_vf:%d\n", nr_vfn
);
4113 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
4114 * @phba: pointer to lpfc hba data structure.
4116 * This routine is invoked to set up the driver internal resources specific to
4117 * support the SLI-3 HBA device it attached to.
4121 * other values - error
4124 lpfc_sli_driver_resource_setup(struct lpfc_hba
*phba
)
4126 struct lpfc_sli
*psli
;
4130 * Initialize timers used by driver
4133 /* Heartbeat timer */
4134 init_timer(&phba
->hb_tmofunc
);
4135 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4136 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4139 /* MBOX heartbeat timer */
4140 init_timer(&psli
->mbox_tmo
);
4141 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4142 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4143 /* FCP polling mode timer */
4144 init_timer(&phba
->fcp_poll_timer
);
4145 phba
->fcp_poll_timer
.function
= lpfc_poll_timeout
;
4146 phba
->fcp_poll_timer
.data
= (unsigned long) phba
;
4147 /* Fabric block timer */
4148 init_timer(&phba
->fabric_block_timer
);
4149 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4150 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4151 /* EA polling mode timer */
4152 init_timer(&phba
->eratt_poll
);
4153 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4154 phba
->eratt_poll
.data
= (unsigned long) phba
;
4156 /* Host attention work mask setup */
4157 phba
->work_ha_mask
= (HA_ERATT
| HA_MBATT
| HA_LATT
);
4158 phba
->work_ha_mask
|= (HA_RXMASK
<< (LPFC_ELS_RING
* 4));
4160 /* Get all the module params for configuring this host */
4161 lpfc_get_cfgparam(phba
);
4162 if (phba
->pcidev
->device
== PCI_DEVICE_ID_HORNET
) {
4163 phba
->menlo_flag
|= HBA_MENLO_SUPPORT
;
4164 /* check for menlo minimum sg count */
4165 if (phba
->cfg_sg_seg_cnt
< LPFC_DEFAULT_MENLO_SG_SEG_CNT
)
4166 phba
->cfg_sg_seg_cnt
= LPFC_DEFAULT_MENLO_SG_SEG_CNT
;
4170 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4171 * used to create the sg_dma_buf_pool must be dynamically calculated.
4172 * 2 segments are added since the IOCB needs a command and response bde.
4174 phba
->cfg_sg_dma_buf_size
= sizeof(struct fcp_cmnd
) +
4175 sizeof(struct fcp_rsp
) +
4176 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct ulp_bde64
));
4178 if (phba
->cfg_enable_bg
) {
4179 phba
->cfg_sg_seg_cnt
= LPFC_MAX_SG_SEG_CNT
;
4180 phba
->cfg_sg_dma_buf_size
+=
4181 phba
->cfg_prot_sg_seg_cnt
* sizeof(struct ulp_bde64
);
4184 /* Also reinitialize the host templates with new values. */
4185 lpfc_vport_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4186 lpfc_template
.sg_tablesize
= phba
->cfg_sg_seg_cnt
;
4188 phba
->max_vpi
= LPFC_MAX_VPI
;
4189 /* This will be set to correct value after config_port mbox */
4190 phba
->max_vports
= 0;
4193 * Initialize the SLI Layer to run with lpfc HBAs.
4195 lpfc_sli_setup(phba
);
4196 lpfc_sli_queue_setup(phba
);
4198 /* Allocate device driver memory */
4199 if (lpfc_mem_alloc(phba
, BPL_ALIGN_SZ
))
4203 * Enable sr-iov virtual functions if supported and configured
4204 * through the module parameter.
4206 if (phba
->cfg_sriov_nr_virtfn
> 0) {
4207 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
4208 phba
->cfg_sriov_nr_virtfn
);
4210 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4211 "2808 Requested number of SR-IOV "
4212 "virtual functions (%d) is not "
4214 phba
->cfg_sriov_nr_virtfn
);
4215 phba
->cfg_sriov_nr_virtfn
= 0;
4223 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
4224 * @phba: pointer to lpfc hba data structure.
4226 * This routine is invoked to unset the driver internal resources set up
4227 * specific for supporting the SLI-3 HBA device it attached to.
4230 lpfc_sli_driver_resource_unset(struct lpfc_hba
*phba
)
4232 /* Free device driver memory allocated */
4233 lpfc_mem_free_all(phba
);
4239 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
4240 * @phba: pointer to lpfc hba data structure.
4242 * This routine is invoked to set up the driver internal resources specific to
4243 * support the SLI-4 HBA device it attached to.
4247 * other values - error
4250 lpfc_sli4_driver_resource_setup(struct lpfc_hba
*phba
)
4252 struct lpfc_sli
*psli
;
4253 LPFC_MBOXQ_t
*mboxq
;
4254 int rc
, i
, hbq_count
, buf_size
, dma_buf_size
, max_buf_size
;
4255 uint8_t pn_page
[LPFC_MAX_SUPPORTED_PAGES
] = {0};
4256 struct lpfc_mqe
*mqe
;
4257 int longs
, sli_family
;
4259 /* Before proceed, wait for POST done and device ready */
4260 rc
= lpfc_sli4_post_status_check(phba
);
4265 * Initialize timers used by driver
4268 /* Heartbeat timer */
4269 init_timer(&phba
->hb_tmofunc
);
4270 phba
->hb_tmofunc
.function
= lpfc_hb_timeout
;
4271 phba
->hb_tmofunc
.data
= (unsigned long)phba
;
4272 init_timer(&phba
->rrq_tmr
);
4273 phba
->rrq_tmr
.function
= lpfc_rrq_timeout
;
4274 phba
->rrq_tmr
.data
= (unsigned long)phba
;
4277 /* MBOX heartbeat timer */
4278 init_timer(&psli
->mbox_tmo
);
4279 psli
->mbox_tmo
.function
= lpfc_mbox_timeout
;
4280 psli
->mbox_tmo
.data
= (unsigned long) phba
;
4281 /* Fabric block timer */
4282 init_timer(&phba
->fabric_block_timer
);
4283 phba
->fabric_block_timer
.function
= lpfc_fabric_block_timeout
;
4284 phba
->fabric_block_timer
.data
= (unsigned long) phba
;
4285 /* EA polling mode timer */
4286 init_timer(&phba
->eratt_poll
);
4287 phba
->eratt_poll
.function
= lpfc_poll_eratt
;
4288 phba
->eratt_poll
.data
= (unsigned long) phba
;
4289 /* FCF rediscover timer */
4290 init_timer(&phba
->fcf
.redisc_wait
);
4291 phba
->fcf
.redisc_wait
.function
= lpfc_sli4_fcf_redisc_wait_tmo
;
4292 phba
->fcf
.redisc_wait
.data
= (unsigned long)phba
;
4295 * Control structure for handling external multi-buffer mailbox
4296 * command pass-through.
4298 memset((uint8_t *)&phba
->mbox_ext_buf_ctx
, 0,
4299 sizeof(struct lpfc_mbox_ext_buf_ctx
));
4300 INIT_LIST_HEAD(&phba
->mbox_ext_buf_ctx
.ext_dmabuf_list
);
4303 * We need to do a READ_CONFIG mailbox command here before
4304 * calling lpfc_get_cfgparam. For VFs this will report the
4305 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
4306 * All of the resources allocated
4307 * for this Port are tied to these values.
4309 /* Get all the module params for configuring this host */
4310 lpfc_get_cfgparam(phba
);
4311 phba
->max_vpi
= LPFC_MAX_VPI
;
4312 /* This will be set to correct value after the read_config mbox */
4313 phba
->max_vports
= 0;
4315 /* Program the default value of vlan_id and fc_map */
4316 phba
->valid_vlan
= 0;
4317 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
4318 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
4319 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
4322 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4323 * used to create the sg_dma_buf_pool must be dynamically calculated.
4324 * 2 segments are added since the IOCB needs a command and response bde.
4325 * To insure that the scsi sgl does not cross a 4k page boundary only
4326 * sgl sizes of must be a power of 2.
4328 buf_size
= (sizeof(struct fcp_cmnd
) + sizeof(struct fcp_rsp
) +
4329 ((phba
->cfg_sg_seg_cnt
+ 2) * sizeof(struct sli4_sge
)));
4331 sli_family
= bf_get(lpfc_sli_intf_sli_family
, &phba
->sli4_hba
.sli_intf
);
4332 max_buf_size
= LPFC_SLI4_MAX_BUF_SIZE
;
4333 switch (sli_family
) {
4334 case LPFC_SLI_INTF_FAMILY_BE2
:
4335 case LPFC_SLI_INTF_FAMILY_BE3
:
4336 /* There is a single hint for BE - 2 pages per BPL. */
4337 if (bf_get(lpfc_sli_intf_sli_hint1
, &phba
->sli4_hba
.sli_intf
) ==
4338 LPFC_SLI_INTF_SLI_HINT1_1
)
4339 max_buf_size
= LPFC_SLI4_FL1_MAX_BUF_SIZE
;
4341 case LPFC_SLI_INTF_FAMILY_LNCR_A0
:
4342 case LPFC_SLI_INTF_FAMILY_LNCR_B0
:
4346 for (dma_buf_size
= LPFC_SLI4_MIN_BUF_SIZE
;
4347 dma_buf_size
< max_buf_size
&& buf_size
> dma_buf_size
;
4348 dma_buf_size
= dma_buf_size
<< 1)
4350 if (dma_buf_size
== max_buf_size
)
4351 phba
->cfg_sg_seg_cnt
= (dma_buf_size
-
4352 sizeof(struct fcp_cmnd
) - sizeof(struct fcp_rsp
) -
4353 (2 * sizeof(struct sli4_sge
))) /
4354 sizeof(struct sli4_sge
);
4355 phba
->cfg_sg_dma_buf_size
= dma_buf_size
;
4357 /* Initialize buffer queue management fields */
4358 hbq_count
= lpfc_sli_hbq_count();
4359 for (i
= 0; i
< hbq_count
; ++i
)
4360 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
4361 INIT_LIST_HEAD(&phba
->rb_pend_list
);
4362 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_sli4_rb_alloc
;
4363 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_sli4_rb_free
;
4366 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
4368 /* Initialize the Abort scsi buffer list used by driver */
4369 spin_lock_init(&phba
->sli4_hba
.abts_scsi_buf_list_lock
);
4370 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
4371 /* This abort list used by worker thread */
4372 spin_lock_init(&phba
->sli4_hba
.abts_sgl_list_lock
);
4375 * Initialize driver internal slow-path work queues
4378 /* Driver internel slow-path CQ Event pool */
4379 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_cqe_event_pool
);
4380 /* Response IOCB work queue list */
4381 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_queue_event
);
4382 /* Asynchronous event CQ Event work queue list */
4383 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_asynce_work_queue
);
4384 /* Fast-path XRI aborted CQ Event work queue list */
4385 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
4386 /* Slow-path XRI aborted CQ Event work queue list */
4387 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
4388 /* Receive queue CQ Event work queue list */
4389 INIT_LIST_HEAD(&phba
->sli4_hba
.sp_unsol_work_queue
);
4391 /* Initialize extent block lists. */
4392 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_blk_list
);
4393 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_xri_blk_list
);
4394 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_vfi_blk_list
);
4395 INIT_LIST_HEAD(&phba
->lpfc_vpi_blk_list
);
4397 /* Initialize the driver internal SLI layer lists. */
4398 lpfc_sli_setup(phba
);
4399 lpfc_sli_queue_setup(phba
);
4401 /* Allocate device driver memory */
4402 rc
= lpfc_mem_alloc(phba
, SGL_ALIGN_SZ
);
4406 /* IF Type 2 ports get initialized now. */
4407 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
4408 LPFC_SLI_INTF_IF_TYPE_2
) {
4409 rc
= lpfc_pci_function_reset(phba
);
4414 /* Create the bootstrap mailbox command */
4415 rc
= lpfc_create_bootstrap_mbox(phba
);
4419 /* Set up the host's endian order with the device. */
4420 rc
= lpfc_setup_endian_order(phba
);
4422 goto out_free_bsmbx
;
4424 /* Set up the hba's configuration parameters. */
4425 rc
= lpfc_sli4_read_config(phba
);
4427 goto out_free_bsmbx
;
4429 /* IF Type 0 ports get initialized now. */
4430 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
4431 LPFC_SLI_INTF_IF_TYPE_0
) {
4432 rc
= lpfc_pci_function_reset(phba
);
4434 goto out_free_bsmbx
;
4437 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
4441 goto out_free_bsmbx
;
4444 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
4445 lpfc_supported_pages(mboxq
);
4446 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
4448 mqe
= &mboxq
->u
.mqe
;
4449 memcpy(&pn_page
[0], ((uint8_t *)&mqe
->un
.supp_pages
.word3
),
4450 LPFC_MAX_SUPPORTED_PAGES
);
4451 for (i
= 0; i
< LPFC_MAX_SUPPORTED_PAGES
; i
++) {
4452 switch (pn_page
[i
]) {
4453 case LPFC_SLI4_PARAMETERS
:
4454 phba
->sli4_hba
.pc_sli4_params
.supported
= 1;
4460 /* Read the port's SLI4 Parameters capabilities if supported. */
4461 if (phba
->sli4_hba
.pc_sli4_params
.supported
)
4462 rc
= lpfc_pc_sli4_params_get(phba
, mboxq
);
4464 mempool_free(mboxq
, phba
->mbox_mem_pool
);
4466 goto out_free_bsmbx
;
4470 * Get sli4 parameters that override parameters from Port capabilities.
4471 * If this call fails, it isn't critical unless the SLI4 parameters come
4474 rc
= lpfc_get_sli4_parameters(phba
, mboxq
);
4476 if (phba
->sli4_hba
.extents_in_use
&&
4477 phba
->sli4_hba
.rpi_hdrs_in_use
) {
4478 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4479 "2999 Unsupported SLI4 Parameters "
4480 "Extents and RPI headers enabled.\n");
4481 goto out_free_bsmbx
;
4484 mempool_free(mboxq
, phba
->mbox_mem_pool
);
4485 /* Create all the SLI4 queues */
4486 rc
= lpfc_sli4_queue_create(phba
);
4488 goto out_free_bsmbx
;
4490 /* Create driver internal CQE event pool */
4491 rc
= lpfc_sli4_cq_event_pool_create(phba
);
4493 goto out_destroy_queue
;
4495 /* Initialize and populate the iocb list per host */
4496 rc
= lpfc_init_sgl_list(phba
);
4498 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4499 "1400 Failed to initialize sgl list.\n");
4500 goto out_destroy_cq_event_pool
;
4502 rc
= lpfc_init_active_sgl_array(phba
);
4504 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4505 "1430 Failed to initialize sgl list.\n");
4506 goto out_free_sgl_list
;
4508 rc
= lpfc_sli4_init_rpi_hdrs(phba
);
4510 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4511 "1432 Failed to initialize rpi headers.\n");
4512 goto out_free_active_sgl
;
4515 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
4516 longs
= (LPFC_SLI4_FCF_TBL_INDX_MAX
+ BITS_PER_LONG
- 1)/BITS_PER_LONG
;
4517 phba
->fcf
.fcf_rr_bmask
= kzalloc(longs
* sizeof(unsigned long),
4519 if (!phba
->fcf
.fcf_rr_bmask
) {
4520 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4521 "2759 Failed allocate memory for FCF round "
4522 "robin failover bmask\n");
4524 goto out_remove_rpi_hdrs
;
4527 phba
->sli4_hba
.fcp_eq_hdl
= kzalloc((sizeof(struct lpfc_fcp_eq_hdl
) *
4528 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
4529 if (!phba
->sli4_hba
.fcp_eq_hdl
) {
4530 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4531 "2572 Failed allocate memory for fast-path "
4532 "per-EQ handle array\n");
4534 goto out_free_fcf_rr_bmask
;
4537 phba
->sli4_hba
.msix_entries
= kzalloc((sizeof(struct msix_entry
) *
4538 phba
->sli4_hba
.cfg_eqn
), GFP_KERNEL
);
4539 if (!phba
->sli4_hba
.msix_entries
) {
4540 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4541 "2573 Failed allocate memory for msi-x "
4542 "interrupt vector entries\n");
4544 goto out_free_fcp_eq_hdl
;
4548 * Enable sr-iov virtual functions if supported and configured
4549 * through the module parameter.
4551 if (phba
->cfg_sriov_nr_virtfn
> 0) {
4552 rc
= lpfc_sli_probe_sriov_nr_virtfn(phba
,
4553 phba
->cfg_sriov_nr_virtfn
);
4555 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4556 "3020 Requested number of SR-IOV "
4557 "virtual functions (%d) is not "
4559 phba
->cfg_sriov_nr_virtfn
);
4560 phba
->cfg_sriov_nr_virtfn
= 0;
4566 out_free_fcp_eq_hdl
:
4567 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
4568 out_free_fcf_rr_bmask
:
4569 kfree(phba
->fcf
.fcf_rr_bmask
);
4570 out_remove_rpi_hdrs
:
4571 lpfc_sli4_remove_rpi_hdrs(phba
);
4572 out_free_active_sgl
:
4573 lpfc_free_active_sgl(phba
);
4575 lpfc_free_sgl_list(phba
);
4576 out_destroy_cq_event_pool
:
4577 lpfc_sli4_cq_event_pool_destroy(phba
);
4579 lpfc_sli4_queue_destroy(phba
);
4581 lpfc_destroy_bootstrap_mbox(phba
);
4583 lpfc_mem_free(phba
);
4588 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
4589 * @phba: pointer to lpfc hba data structure.
4591 * This routine is invoked to unset the driver internal resources set up
4592 * specific for supporting the SLI-4 HBA device it attached to.
4595 lpfc_sli4_driver_resource_unset(struct lpfc_hba
*phba
)
4597 struct lpfc_fcf_conn_entry
*conn_entry
, *next_conn_entry
;
4599 /* Free memory allocated for msi-x interrupt vector entries */
4600 kfree(phba
->sli4_hba
.msix_entries
);
4602 /* Free memory allocated for fast-path work queue handles */
4603 kfree(phba
->sli4_hba
.fcp_eq_hdl
);
4605 /* Free the allocated rpi headers. */
4606 lpfc_sli4_remove_rpi_hdrs(phba
);
4607 lpfc_sli4_remove_rpis(phba
);
4609 /* Free eligible FCF index bmask */
4610 kfree(phba
->fcf
.fcf_rr_bmask
);
4612 /* Free the ELS sgl list */
4613 lpfc_free_active_sgl(phba
);
4614 lpfc_free_sgl_list(phba
);
4616 /* Free the SCSI sgl management array */
4617 kfree(phba
->sli4_hba
.lpfc_scsi_psb_array
);
4619 /* Free the SLI4 queues */
4620 lpfc_sli4_queue_destroy(phba
);
4622 /* Free the completion queue EQ event pool */
4623 lpfc_sli4_cq_event_release_all(phba
);
4624 lpfc_sli4_cq_event_pool_destroy(phba
);
4626 /* Release resource identifiers. */
4627 lpfc_sli4_dealloc_resource_identifiers(phba
);
4629 /* Free the bsmbx region. */
4630 lpfc_destroy_bootstrap_mbox(phba
);
4632 /* Free the SLI Layer memory with SLI4 HBAs */
4633 lpfc_mem_free_all(phba
);
4635 /* Free the current connect table */
4636 list_for_each_entry_safe(conn_entry
, next_conn_entry
,
4637 &phba
->fcf_conn_rec_list
, list
) {
4638 list_del_init(&conn_entry
->list
);
4646 * lpfc_init_api_table_setup - Set up init api function jump table
4647 * @phba: The hba struct for which this call is being executed.
4648 * @dev_grp: The HBA PCI-Device group number.
4650 * This routine sets up the device INIT interface API function jump table
4653 * Returns: 0 - success, -ENODEV - failure.
4656 lpfc_init_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
4658 phba
->lpfc_hba_init_link
= lpfc_hba_init_link
;
4659 phba
->lpfc_hba_down_link
= lpfc_hba_down_link
;
4660 phba
->lpfc_selective_reset
= lpfc_selective_reset
;
4662 case LPFC_PCI_DEV_LP
:
4663 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s3
;
4664 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s3
;
4665 phba
->lpfc_stop_port
= lpfc_stop_port_s3
;
4667 case LPFC_PCI_DEV_OC
:
4668 phba
->lpfc_hba_down_post
= lpfc_hba_down_post_s4
;
4669 phba
->lpfc_handle_eratt
= lpfc_handle_eratt_s4
;
4670 phba
->lpfc_stop_port
= lpfc_stop_port_s4
;
4673 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4674 "1431 Invalid HBA PCI-device group: 0x%x\n",
4683 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
4684 * @phba: pointer to lpfc hba data structure.
4686 * This routine is invoked to set up the driver internal resources before the
4687 * device specific resource setup to support the HBA device it attached to.
4691 * other values - error
4694 lpfc_setup_driver_resource_phase1(struct lpfc_hba
*phba
)
4697 * Driver resources common to all SLI revisions
4699 atomic_set(&phba
->fast_event_count
, 0);
4700 spin_lock_init(&phba
->hbalock
);
4702 /* Initialize ndlp management spinlock */
4703 spin_lock_init(&phba
->ndlp_lock
);
4705 INIT_LIST_HEAD(&phba
->port_list
);
4706 INIT_LIST_HEAD(&phba
->work_list
);
4707 init_waitqueue_head(&phba
->wait_4_mlo_m_q
);
4709 /* Initialize the wait queue head for the kernel thread */
4710 init_waitqueue_head(&phba
->work_waitq
);
4712 /* Initialize the scsi buffer list used by driver for scsi IO */
4713 spin_lock_init(&phba
->scsi_buf_list_lock
);
4714 INIT_LIST_HEAD(&phba
->lpfc_scsi_buf_list
);
4716 /* Initialize the fabric iocb list */
4717 INIT_LIST_HEAD(&phba
->fabric_iocb_list
);
4719 /* Initialize list to save ELS buffers */
4720 INIT_LIST_HEAD(&phba
->elsbuf
);
4722 /* Initialize FCF connection rec list */
4723 INIT_LIST_HEAD(&phba
->fcf_conn_rec_list
);
4729 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
4730 * @phba: pointer to lpfc hba data structure.
4732 * This routine is invoked to set up the driver internal resources after the
4733 * device specific resource setup to support the HBA device it attached to.
4737 * other values - error
4740 lpfc_setup_driver_resource_phase2(struct lpfc_hba
*phba
)
4744 /* Startup the kernel thread for this host adapter. */
4745 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
4746 "lpfc_worker_%d", phba
->brd_no
);
4747 if (IS_ERR(phba
->worker_thread
)) {
4748 error
= PTR_ERR(phba
->worker_thread
);
4756 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
4757 * @phba: pointer to lpfc hba data structure.
4759 * This routine is invoked to unset the driver internal resources set up after
4760 * the device specific resource setup for supporting the HBA device it
4764 lpfc_unset_driver_resource_phase2(struct lpfc_hba
*phba
)
4766 /* Stop kernel worker thread */
4767 kthread_stop(phba
->worker_thread
);
4771 * lpfc_free_iocb_list - Free iocb list.
4772 * @phba: pointer to lpfc hba data structure.
4774 * This routine is invoked to free the driver's IOCB list and memory.
4777 lpfc_free_iocb_list(struct lpfc_hba
*phba
)
4779 struct lpfc_iocbq
*iocbq_entry
= NULL
, *iocbq_next
= NULL
;
4781 spin_lock_irq(&phba
->hbalock
);
4782 list_for_each_entry_safe(iocbq_entry
, iocbq_next
,
4783 &phba
->lpfc_iocb_list
, list
) {
4784 list_del(&iocbq_entry
->list
);
4786 phba
->total_iocbq_bufs
--;
4788 spin_unlock_irq(&phba
->hbalock
);
4794 * lpfc_init_iocb_list - Allocate and initialize iocb list.
4795 * @phba: pointer to lpfc hba data structure.
4797 * This routine is invoked to allocate and initizlize the driver's IOCB
4798 * list and set up the IOCB tag array accordingly.
4802 * other values - error
4805 lpfc_init_iocb_list(struct lpfc_hba
*phba
, int iocb_count
)
4807 struct lpfc_iocbq
*iocbq_entry
= NULL
;
4811 /* Initialize and populate the iocb list per host. */
4812 INIT_LIST_HEAD(&phba
->lpfc_iocb_list
);
4813 for (i
= 0; i
< iocb_count
; i
++) {
4814 iocbq_entry
= kzalloc(sizeof(struct lpfc_iocbq
), GFP_KERNEL
);
4815 if (iocbq_entry
== NULL
) {
4816 printk(KERN_ERR
"%s: only allocated %d iocbs of "
4817 "expected %d count. Unloading driver.\n",
4818 __func__
, i
, LPFC_IOCB_LIST_CNT
);
4819 goto out_free_iocbq
;
4822 iotag
= lpfc_sli_next_iotag(phba
, iocbq_entry
);
4825 printk(KERN_ERR
"%s: failed to allocate IOTAG. "
4826 "Unloading driver.\n", __func__
);
4827 goto out_free_iocbq
;
4829 iocbq_entry
->sli4_lxritag
= NO_XRI
;
4830 iocbq_entry
->sli4_xritag
= NO_XRI
;
4832 spin_lock_irq(&phba
->hbalock
);
4833 list_add(&iocbq_entry
->list
, &phba
->lpfc_iocb_list
);
4834 phba
->total_iocbq_bufs
++;
4835 spin_unlock_irq(&phba
->hbalock
);
4841 lpfc_free_iocb_list(phba
);
4847 * lpfc_free_sgl_list - Free sgl list.
4848 * @phba: pointer to lpfc hba data structure.
4850 * This routine is invoked to free the driver's sgl list and memory.
4853 lpfc_free_sgl_list(struct lpfc_hba
*phba
)
4855 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
4856 LIST_HEAD(sglq_list
);
4858 spin_lock_irq(&phba
->hbalock
);
4859 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &sglq_list
);
4860 spin_unlock_irq(&phba
->hbalock
);
4862 list_for_each_entry_safe(sglq_entry
, sglq_next
,
4864 list_del(&sglq_entry
->list
);
4865 lpfc_mbuf_free(phba
, sglq_entry
->virt
, sglq_entry
->phys
);
4867 phba
->sli4_hba
.total_sglq_bufs
--;
4869 kfree(phba
->sli4_hba
.lpfc_els_sgl_array
);
4873 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
4874 * @phba: pointer to lpfc hba data structure.
4876 * This routine is invoked to allocate the driver's active sgl memory.
4877 * This array will hold the sglq_entry's for active IOs.
4880 lpfc_init_active_sgl_array(struct lpfc_hba
*phba
)
4883 size
= sizeof(struct lpfc_sglq
*);
4884 size
*= phba
->sli4_hba
.max_cfg_param
.max_xri
;
4886 phba
->sli4_hba
.lpfc_sglq_active_list
=
4887 kzalloc(size
, GFP_KERNEL
);
4888 if (!phba
->sli4_hba
.lpfc_sglq_active_list
)
4894 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
4895 * @phba: pointer to lpfc hba data structure.
4897 * This routine is invoked to walk through the array of active sglq entries
4898 * and free all of the resources.
4899 * This is just a place holder for now.
4902 lpfc_free_active_sgl(struct lpfc_hba
*phba
)
4904 kfree(phba
->sli4_hba
.lpfc_sglq_active_list
);
4908 * lpfc_init_sgl_list - Allocate and initialize sgl list.
4909 * @phba: pointer to lpfc hba data structure.
4911 * This routine is invoked to allocate and initizlize the driver's sgl
4912 * list and set up the sgl xritag tag array accordingly.
4916 * other values - error
4919 lpfc_init_sgl_list(struct lpfc_hba
*phba
)
4921 struct lpfc_sglq
*sglq_entry
= NULL
;
4925 els_xri_cnt
= lpfc_sli4_get_els_iocb_cnt(phba
);
4926 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4927 "2400 ELS XRI count %d.\n",
4929 /* Initialize and populate the sglq list per host/VF. */
4930 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_sgl_list
);
4931 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
4933 /* Sanity check on XRI management */
4934 if (phba
->sli4_hba
.max_cfg_param
.max_xri
<= els_xri_cnt
) {
4935 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4936 "2562 No room left for SCSI XRI allocation: "
4937 "max_xri=%d, els_xri=%d\n",
4938 phba
->sli4_hba
.max_cfg_param
.max_xri
,
4943 /* Allocate memory for the ELS XRI management array */
4944 phba
->sli4_hba
.lpfc_els_sgl_array
=
4945 kzalloc((sizeof(struct lpfc_sglq
*) * els_xri_cnt
),
4948 if (!phba
->sli4_hba
.lpfc_els_sgl_array
) {
4949 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4950 "2401 Failed to allocate memory for ELS "
4951 "XRI management array of size %d.\n",
4956 /* Keep the SCSI XRI into the XRI management array */
4957 phba
->sli4_hba
.scsi_xri_max
=
4958 phba
->sli4_hba
.max_cfg_param
.max_xri
- els_xri_cnt
;
4959 phba
->sli4_hba
.scsi_xri_cnt
= 0;
4960 phba
->sli4_hba
.lpfc_scsi_psb_array
=
4961 kzalloc((sizeof(struct lpfc_scsi_buf
*) *
4962 phba
->sli4_hba
.scsi_xri_max
), GFP_KERNEL
);
4964 if (!phba
->sli4_hba
.lpfc_scsi_psb_array
) {
4965 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4966 "2563 Failed to allocate memory for SCSI "
4967 "XRI management array of size %d.\n",
4968 phba
->sli4_hba
.scsi_xri_max
);
4969 kfree(phba
->sli4_hba
.lpfc_els_sgl_array
);
4973 for (i
= 0; i
< els_xri_cnt
; i
++) {
4974 sglq_entry
= kzalloc(sizeof(struct lpfc_sglq
), GFP_KERNEL
);
4975 if (sglq_entry
== NULL
) {
4976 printk(KERN_ERR
"%s: only allocated %d sgls of "
4977 "expected %d count. Unloading driver.\n",
4978 __func__
, i
, els_xri_cnt
);
4982 sglq_entry
->buff_type
= GEN_BUFF_TYPE
;
4983 sglq_entry
->virt
= lpfc_mbuf_alloc(phba
, 0, &sglq_entry
->phys
);
4984 if (sglq_entry
->virt
== NULL
) {
4986 printk(KERN_ERR
"%s: failed to allocate mbuf.\n"
4987 "Unloading driver.\n", __func__
);
4990 sglq_entry
->sgl
= sglq_entry
->virt
;
4991 memset(sglq_entry
->sgl
, 0, LPFC_BPL_SIZE
);
4993 /* The list order is used by later block SGL registraton */
4994 spin_lock_irq(&phba
->hbalock
);
4995 sglq_entry
->state
= SGL_FREED
;
4996 list_add_tail(&sglq_entry
->list
, &phba
->sli4_hba
.lpfc_sgl_list
);
4997 phba
->sli4_hba
.lpfc_els_sgl_array
[i
] = sglq_entry
;
4998 phba
->sli4_hba
.total_sglq_bufs
++;
4999 spin_unlock_irq(&phba
->hbalock
);
5004 kfree(phba
->sli4_hba
.lpfc_scsi_psb_array
);
5005 lpfc_free_sgl_list(phba
);
5010 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
5011 * @phba: pointer to lpfc hba data structure.
5013 * This routine is invoked to post rpi header templates to the
5014 * port for those SLI4 ports that do not support extents. This routine
5015 * posts a PAGE_SIZE memory region to the port to hold up to
5016 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
5017 * and should be called only when interrupts are disabled.
5021 * -ERROR - otherwise.
5024 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*phba
)
5027 struct lpfc_rpi_hdr
*rpi_hdr
;
5029 INIT_LIST_HEAD(&phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5031 * If the SLI4 port supports extents, posting the rpi header isn't
5032 * required. Set the expected maximum count and let the actual value
5033 * get set when extents are fully allocated.
5035 if (!phba
->sli4_hba
.rpi_hdrs_in_use
) {
5036 phba
->sli4_hba
.next_rpi
= phba
->sli4_hba
.max_cfg_param
.max_rpi
;
5039 if (phba
->sli4_hba
.extents_in_use
)
5042 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
5044 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
5045 "0391 Error during rpi post operation\n");
5046 lpfc_sli4_remove_rpis(phba
);
5054 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
5055 * @phba: pointer to lpfc hba data structure.
5057 * This routine is invoked to allocate a single 4KB memory region to
5058 * support rpis and stores them in the phba. This single region
5059 * provides support for up to 64 rpis. The region is used globally
5063 * A valid rpi hdr on success.
5064 * A NULL pointer on any failure.
5066 struct lpfc_rpi_hdr
*
5067 lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*phba
)
5069 uint16_t rpi_limit
, curr_rpi_range
;
5070 struct lpfc_dmabuf
*dmabuf
;
5071 struct lpfc_rpi_hdr
*rpi_hdr
;
5075 * If the SLI4 port supports extents, posting the rpi header isn't
5076 * required. Set the expected maximum count and let the actual value
5077 * get set when extents are fully allocated.
5079 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5081 if (phba
->sli4_hba
.extents_in_use
)
5084 /* The limit on the logical index is just the max_rpi count. */
5085 rpi_limit
= phba
->sli4_hba
.max_cfg_param
.rpi_base
+
5086 phba
->sli4_hba
.max_cfg_param
.max_rpi
- 1;
5088 spin_lock_irq(&phba
->hbalock
);
5090 * Establish the starting RPI in this header block. The starting
5091 * rpi is normalized to a zero base because the physical rpi is
5094 curr_rpi_range
= phba
->sli4_hba
.next_rpi
-
5095 phba
->sli4_hba
.max_cfg_param
.rpi_base
;
5096 spin_unlock_irq(&phba
->hbalock
);
5099 * The port has a limited number of rpis. The increment here
5100 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
5101 * and to allow the full max_rpi range per port.
5103 if ((curr_rpi_range
+ (LPFC_RPI_HDR_COUNT
- 1)) > rpi_limit
)
5104 rpi_count
= rpi_limit
- curr_rpi_range
;
5106 rpi_count
= LPFC_RPI_HDR_COUNT
;
5111 * First allocate the protocol header region for the port. The
5112 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
5114 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
5118 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
5119 LPFC_HDR_TEMPLATE_SIZE
,
5122 if (!dmabuf
->virt
) {
5124 goto err_free_dmabuf
;
5127 memset(dmabuf
->virt
, 0, LPFC_HDR_TEMPLATE_SIZE
);
5128 if (!IS_ALIGNED(dmabuf
->phys
, LPFC_HDR_TEMPLATE_SIZE
)) {
5130 goto err_free_coherent
;
5133 /* Save the rpi header data for cleanup later. */
5134 rpi_hdr
= kzalloc(sizeof(struct lpfc_rpi_hdr
), GFP_KERNEL
);
5136 goto err_free_coherent
;
5138 rpi_hdr
->dmabuf
= dmabuf
;
5139 rpi_hdr
->len
= LPFC_HDR_TEMPLATE_SIZE
;
5140 rpi_hdr
->page_count
= 1;
5141 spin_lock_irq(&phba
->hbalock
);
5143 /* The rpi_hdr stores the logical index only. */
5144 rpi_hdr
->start_rpi
= curr_rpi_range
;
5145 list_add_tail(&rpi_hdr
->list
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
);
5148 * The next_rpi stores the next logical module-64 rpi value used
5149 * to post physical rpis in subsequent rpi postings.
5151 phba
->sli4_hba
.next_rpi
+= rpi_count
;
5152 spin_unlock_irq(&phba
->hbalock
);
5156 dma_free_coherent(&phba
->pcidev
->dev
, LPFC_HDR_TEMPLATE_SIZE
,
5157 dmabuf
->virt
, dmabuf
->phys
);
5164 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
5165 * @phba: pointer to lpfc hba data structure.
5167 * This routine is invoked to remove all memory resources allocated
5168 * to support rpis for SLI4 ports not supporting extents. This routine
5169 * presumes the caller has released all rpis consumed by fabric or port
5170 * logins and is prepared to have the header pages removed.
5173 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*phba
)
5175 struct lpfc_rpi_hdr
*rpi_hdr
, *next_rpi_hdr
;
5177 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5180 list_for_each_entry_safe(rpi_hdr
, next_rpi_hdr
,
5181 &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
5182 list_del(&rpi_hdr
->list
);
5183 dma_free_coherent(&phba
->pcidev
->dev
, rpi_hdr
->len
,
5184 rpi_hdr
->dmabuf
->virt
, rpi_hdr
->dmabuf
->phys
);
5185 kfree(rpi_hdr
->dmabuf
);
5189 /* There are no rpis available to the port now. */
5190 phba
->sli4_hba
.next_rpi
= 0;
5194 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
5195 * @pdev: pointer to pci device data structure.
5197 * This routine is invoked to allocate the driver hba data structure for an
5198 * HBA device. If the allocation is successful, the phba reference to the
5199 * PCI device data structure is set.
5202 * pointer to @phba - successful
5205 static struct lpfc_hba
*
5206 lpfc_hba_alloc(struct pci_dev
*pdev
)
5208 struct lpfc_hba
*phba
;
5210 /* Allocate memory for HBA structure */
5211 phba
= kzalloc(sizeof(struct lpfc_hba
), GFP_KERNEL
);
5213 dev_err(&pdev
->dev
, "failed to allocate hba struct\n");
5217 /* Set reference to PCI device in HBA structure */
5218 phba
->pcidev
= pdev
;
5220 /* Assign an unused board number */
5221 phba
->brd_no
= lpfc_get_instance();
5222 if (phba
->brd_no
< 0) {
5227 spin_lock_init(&phba
->ct_ev_lock
);
5228 INIT_LIST_HEAD(&phba
->ct_ev_waiters
);
5234 * lpfc_hba_free - Free driver hba data structure with a device.
5235 * @phba: pointer to lpfc hba data structure.
5237 * This routine is invoked to free the driver hba data structure with an
5241 lpfc_hba_free(struct lpfc_hba
*phba
)
5243 /* Release the driver assigned board number */
5244 idr_remove(&lpfc_hba_index
, phba
->brd_no
);
5251 * lpfc_create_shost - Create hba physical port with associated scsi host.
5252 * @phba: pointer to lpfc hba data structure.
5254 * This routine is invoked to create HBA physical port and associate a SCSI
5259 * other values - error
5262 lpfc_create_shost(struct lpfc_hba
*phba
)
5264 struct lpfc_vport
*vport
;
5265 struct Scsi_Host
*shost
;
5267 /* Initialize HBA FC structure */
5268 phba
->fc_edtov
= FF_DEF_EDTOV
;
5269 phba
->fc_ratov
= FF_DEF_RATOV
;
5270 phba
->fc_altov
= FF_DEF_ALTOV
;
5271 phba
->fc_arbtov
= FF_DEF_ARBTOV
;
5273 atomic_set(&phba
->sdev_cnt
, 0);
5274 vport
= lpfc_create_port(phba
, phba
->brd_no
, &phba
->pcidev
->dev
);
5278 shost
= lpfc_shost_from_vport(vport
);
5279 phba
->pport
= vport
;
5280 lpfc_debugfs_initialize(vport
);
5281 /* Put reference to SCSI host to driver's device private data */
5282 pci_set_drvdata(phba
->pcidev
, shost
);
5288 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
5289 * @phba: pointer to lpfc hba data structure.
5291 * This routine is invoked to destroy HBA physical port and the associated
5295 lpfc_destroy_shost(struct lpfc_hba
*phba
)
5297 struct lpfc_vport
*vport
= phba
->pport
;
5299 /* Destroy physical port that associated with the SCSI host */
5300 destroy_port(vport
);
5306 * lpfc_setup_bg - Setup Block guard structures and debug areas.
5307 * @phba: pointer to lpfc hba data structure.
5308 * @shost: the shost to be used to detect Block guard settings.
5310 * This routine sets up the local Block guard protocol settings for @shost.
5311 * This routine also allocates memory for debugging bg buffers.
5314 lpfc_setup_bg(struct lpfc_hba
*phba
, struct Scsi_Host
*shost
)
5317 if (lpfc_prot_mask
&& lpfc_prot_guard
) {
5318 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5319 "1478 Registering BlockGuard with the "
5321 scsi_host_set_prot(shost
, lpfc_prot_mask
);
5322 scsi_host_set_guard(shost
, lpfc_prot_guard
);
5324 if (!_dump_buf_data
) {
5326 spin_lock_init(&_dump_buf_lock
);
5328 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
5329 if (_dump_buf_data
) {
5330 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5331 "9043 BLKGRD: allocated %d pages for "
5332 "_dump_buf_data at 0x%p\n",
5333 (1 << pagecnt
), _dump_buf_data
);
5334 _dump_buf_data_order
= pagecnt
;
5335 memset(_dump_buf_data
, 0,
5336 ((1 << PAGE_SHIFT
) << pagecnt
));
5341 if (!_dump_buf_data_order
)
5342 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5343 "9044 BLKGRD: ERROR unable to allocate "
5344 "memory for hexdump\n");
5346 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5347 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
5348 "\n", _dump_buf_data
);
5349 if (!_dump_buf_dif
) {
5352 (char *) __get_free_pages(GFP_KERNEL
, pagecnt
);
5353 if (_dump_buf_dif
) {
5354 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5355 "9046 BLKGRD: allocated %d pages for "
5356 "_dump_buf_dif at 0x%p\n",
5357 (1 << pagecnt
), _dump_buf_dif
);
5358 _dump_buf_dif_order
= pagecnt
;
5359 memset(_dump_buf_dif
, 0,
5360 ((1 << PAGE_SHIFT
) << pagecnt
));
5365 if (!_dump_buf_dif_order
)
5366 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5367 "9047 BLKGRD: ERROR unable to allocate "
5368 "memory for hexdump\n");
5370 lpfc_printf_log(phba
, KERN_ERR
, LOG_BG
,
5371 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
5376 * lpfc_post_init_setup - Perform necessary device post initialization setup.
5377 * @phba: pointer to lpfc hba data structure.
5379 * This routine is invoked to perform all the necessary post initialization
5380 * setup for the device.
5383 lpfc_post_init_setup(struct lpfc_hba
*phba
)
5385 struct Scsi_Host
*shost
;
5386 struct lpfc_adapter_event_header adapter_event
;
5388 /* Get the default values for Model Name and Description */
5389 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
5392 * hba setup may have changed the hba_queue_depth so we need to
5393 * adjust the value of can_queue.
5395 shost
= pci_get_drvdata(phba
->pcidev
);
5396 shost
->can_queue
= phba
->cfg_hba_queue_depth
- 10;
5397 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
5398 lpfc_setup_bg(phba
, shost
);
5400 lpfc_host_attrib_init(shost
);
5402 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
5403 spin_lock_irq(shost
->host_lock
);
5404 lpfc_poll_start_timer(phba
);
5405 spin_unlock_irq(shost
->host_lock
);
5408 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5409 "0428 Perform SCSI scan\n");
5410 /* Send board arrival event to upper layer */
5411 adapter_event
.event_type
= FC_REG_ADAPTER_EVENT
;
5412 adapter_event
.subcategory
= LPFC_EVENT_ARRIVAL
;
5413 fc_host_post_vendor_event(shost
, fc_get_event_number(),
5414 sizeof(adapter_event
),
5415 (char *) &adapter_event
,
5421 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
5422 * @phba: pointer to lpfc hba data structure.
5424 * This routine is invoked to set up the PCI device memory space for device
5425 * with SLI-3 interface spec.
5429 * other values - error
5432 lpfc_sli_pci_mem_setup(struct lpfc_hba
*phba
)
5434 struct pci_dev
*pdev
;
5435 unsigned long bar0map_len
, bar2map_len
;
5438 int error
= -ENODEV
;
5440 /* Obtain PCI device reference */
5444 pdev
= phba
->pcidev
;
5446 /* Set the device DMA mask size */
5447 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
5448 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
5449 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
5450 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
5455 /* Get the bus address of Bar0 and Bar2 and the number of bytes
5456 * required by each mapping.
5458 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
5459 bar0map_len
= pci_resource_len(pdev
, 0);
5461 phba
->pci_bar2_map
= pci_resource_start(pdev
, 2);
5462 bar2map_len
= pci_resource_len(pdev
, 2);
5464 /* Map HBA SLIM to a kernel virtual address. */
5465 phba
->slim_memmap_p
= ioremap(phba
->pci_bar0_map
, bar0map_len
);
5466 if (!phba
->slim_memmap_p
) {
5467 dev_printk(KERN_ERR
, &pdev
->dev
,
5468 "ioremap failed for SLIM memory.\n");
5472 /* Map HBA Control Registers to a kernel virtual address. */
5473 phba
->ctrl_regs_memmap_p
= ioremap(phba
->pci_bar2_map
, bar2map_len
);
5474 if (!phba
->ctrl_regs_memmap_p
) {
5475 dev_printk(KERN_ERR
, &pdev
->dev
,
5476 "ioremap failed for HBA control registers.\n");
5477 goto out_iounmap_slim
;
5480 /* Allocate memory for SLI-2 structures */
5481 phba
->slim2p
.virt
= dma_alloc_coherent(&pdev
->dev
,
5485 if (!phba
->slim2p
.virt
)
5488 memset(phba
->slim2p
.virt
, 0, SLI2_SLIM_SIZE
);
5489 phba
->mbox
= phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, mbx
);
5490 phba
->mbox_ext
= (phba
->slim2p
.virt
+
5491 offsetof(struct lpfc_sli2_slim
, mbx_ext_words
));
5492 phba
->pcb
= (phba
->slim2p
.virt
+ offsetof(struct lpfc_sli2_slim
, pcb
));
5493 phba
->IOCBs
= (phba
->slim2p
.virt
+
5494 offsetof(struct lpfc_sli2_slim
, IOCBs
));
5496 phba
->hbqslimp
.virt
= dma_alloc_coherent(&pdev
->dev
,
5497 lpfc_sli_hbq_size(),
5498 &phba
->hbqslimp
.phys
,
5500 if (!phba
->hbqslimp
.virt
)
5503 hbq_count
= lpfc_sli_hbq_count();
5504 ptr
= phba
->hbqslimp
.virt
;
5505 for (i
= 0; i
< hbq_count
; ++i
) {
5506 phba
->hbqs
[i
].hbq_virt
= ptr
;
5507 INIT_LIST_HEAD(&phba
->hbqs
[i
].hbq_buffer_list
);
5508 ptr
+= (lpfc_hbq_defs
[i
]->entry_count
*
5509 sizeof(struct lpfc_hbq_entry
));
5511 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_alloc_buffer
= lpfc_els_hbq_alloc
;
5512 phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
= lpfc_els_hbq_free
;
5514 memset(phba
->hbqslimp
.virt
, 0, lpfc_sli_hbq_size());
5516 INIT_LIST_HEAD(&phba
->rb_pend_list
);
5518 phba
->MBslimaddr
= phba
->slim_memmap_p
;
5519 phba
->HAregaddr
= phba
->ctrl_regs_memmap_p
+ HA_REG_OFFSET
;
5520 phba
->CAregaddr
= phba
->ctrl_regs_memmap_p
+ CA_REG_OFFSET
;
5521 phba
->HSregaddr
= phba
->ctrl_regs_memmap_p
+ HS_REG_OFFSET
;
5522 phba
->HCregaddr
= phba
->ctrl_regs_memmap_p
+ HC_REG_OFFSET
;
5527 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
5528 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
5530 iounmap(phba
->ctrl_regs_memmap_p
);
5532 iounmap(phba
->slim_memmap_p
);
5538 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
5539 * @phba: pointer to lpfc hba data structure.
5541 * This routine is invoked to unset the PCI device memory space for device
5542 * with SLI-3 interface spec.
5545 lpfc_sli_pci_mem_unset(struct lpfc_hba
*phba
)
5547 struct pci_dev
*pdev
;
5549 /* Obtain PCI device reference */
5553 pdev
= phba
->pcidev
;
5555 /* Free coherent DMA memory allocated */
5556 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
5557 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
5558 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
5559 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
5561 /* I/O memory unmap */
5562 iounmap(phba
->ctrl_regs_memmap_p
);
5563 iounmap(phba
->slim_memmap_p
);
5569 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
5570 * @phba: pointer to lpfc hba data structure.
5572 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
5573 * done and check status.
5575 * Return 0 if successful, otherwise -ENODEV.
5578 lpfc_sli4_post_status_check(struct lpfc_hba
*phba
)
5580 struct lpfc_register portsmphr_reg
, uerrlo_reg
, uerrhi_reg
;
5581 struct lpfc_register reg_data
;
5582 int i
, port_error
= 0;
5585 memset(&portsmphr_reg
, 0, sizeof(portsmphr_reg
));
5586 memset(®_data
, 0, sizeof(reg_data
));
5587 if (!phba
->sli4_hba
.PSMPHRregaddr
)
5590 /* Wait up to 30 seconds for the SLI Port POST done and ready */
5591 for (i
= 0; i
< 3000; i
++) {
5592 if (lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
5593 &portsmphr_reg
.word0
) ||
5594 (bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
))) {
5595 /* Port has a fatal POST error, break out */
5596 port_error
= -ENODEV
;
5599 if (LPFC_POST_STAGE_PORT_READY
==
5600 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
))
5606 * If there was a port error during POST, then don't proceed with
5607 * other register reads as the data may not be valid. Just exit.
5610 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5611 "1408 Port Failed POST - portsmphr=0x%x, "
5612 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
5613 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
5614 portsmphr_reg
.word0
,
5615 bf_get(lpfc_port_smphr_perr
, &portsmphr_reg
),
5616 bf_get(lpfc_port_smphr_sfi
, &portsmphr_reg
),
5617 bf_get(lpfc_port_smphr_nip
, &portsmphr_reg
),
5618 bf_get(lpfc_port_smphr_ipc
, &portsmphr_reg
),
5619 bf_get(lpfc_port_smphr_scr1
, &portsmphr_reg
),
5620 bf_get(lpfc_port_smphr_scr2
, &portsmphr_reg
),
5621 bf_get(lpfc_port_smphr_host_scratch
, &portsmphr_reg
),
5622 bf_get(lpfc_port_smphr_port_status
, &portsmphr_reg
));
5624 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
5625 "2534 Device Info: SLIFamily=0x%x, "
5626 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
5627 "SLIHint_2=0x%x, FT=0x%x\n",
5628 bf_get(lpfc_sli_intf_sli_family
,
5629 &phba
->sli4_hba
.sli_intf
),
5630 bf_get(lpfc_sli_intf_slirev
,
5631 &phba
->sli4_hba
.sli_intf
),
5632 bf_get(lpfc_sli_intf_if_type
,
5633 &phba
->sli4_hba
.sli_intf
),
5634 bf_get(lpfc_sli_intf_sli_hint1
,
5635 &phba
->sli4_hba
.sli_intf
),
5636 bf_get(lpfc_sli_intf_sli_hint2
,
5637 &phba
->sli4_hba
.sli_intf
),
5638 bf_get(lpfc_sli_intf_func_type
,
5639 &phba
->sli4_hba
.sli_intf
));
5641 * Check for other Port errors during the initialization
5642 * process. Fail the load if the port did not come up
5645 if_type
= bf_get(lpfc_sli_intf_if_type
,
5646 &phba
->sli4_hba
.sli_intf
);
5648 case LPFC_SLI_INTF_IF_TYPE_0
:
5649 phba
->sli4_hba
.ue_mask_lo
=
5650 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
);
5651 phba
->sli4_hba
.ue_mask_hi
=
5652 readl(phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
);
5654 readl(phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
);
5656 readl(phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
);
5657 if ((~phba
->sli4_hba
.ue_mask_lo
& uerrlo_reg
.word0
) ||
5658 (~phba
->sli4_hba
.ue_mask_hi
& uerrhi_reg
.word0
)) {
5659 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5660 "1422 Unrecoverable Error "
5661 "Detected during POST "
5662 "uerr_lo_reg=0x%x, "
5663 "uerr_hi_reg=0x%x, "
5664 "ue_mask_lo_reg=0x%x, "
5665 "ue_mask_hi_reg=0x%x\n",
5668 phba
->sli4_hba
.ue_mask_lo
,
5669 phba
->sli4_hba
.ue_mask_hi
);
5670 port_error
= -ENODEV
;
5673 case LPFC_SLI_INTF_IF_TYPE_2
:
5674 /* Final checks. The port status should be clean. */
5675 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
5677 (bf_get(lpfc_sliport_status_err
, ®_data
) &&
5678 !bf_get(lpfc_sliport_status_rn
, ®_data
))) {
5679 phba
->work_status
[0] =
5680 readl(phba
->sli4_hba
.u
.if_type2
.
5682 phba
->work_status
[1] =
5683 readl(phba
->sli4_hba
.u
.if_type2
.
5685 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5686 "2888 Port Error Detected "
5688 "port status reg 0x%x, "
5689 "port_smphr reg 0x%x, "
5690 "error 1=0x%x, error 2=0x%x\n",
5692 portsmphr_reg
.word0
,
5693 phba
->work_status
[0],
5694 phba
->work_status
[1]);
5695 port_error
= -ENODEV
;
5698 case LPFC_SLI_INTF_IF_TYPE_1
:
5707 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
5708 * @phba: pointer to lpfc hba data structure.
5709 * @if_type: The SLI4 interface type getting configured.
5711 * This routine is invoked to set up SLI4 BAR0 PCI config space register
5715 lpfc_sli4_bar0_register_memmap(struct lpfc_hba
*phba
, uint32_t if_type
)
5718 case LPFC_SLI_INTF_IF_TYPE_0
:
5719 phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
=
5720 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_LO
;
5721 phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
=
5722 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UERR_STATUS_HI
;
5723 phba
->sli4_hba
.u
.if_type0
.UEMASKLOregaddr
=
5724 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_LO
;
5725 phba
->sli4_hba
.u
.if_type0
.UEMASKHIregaddr
=
5726 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_UE_MASK_HI
;
5727 phba
->sli4_hba
.SLIINTFregaddr
=
5728 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
5730 case LPFC_SLI_INTF_IF_TYPE_2
:
5731 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
=
5732 phba
->sli4_hba
.conf_regs_memmap_p
+
5733 LPFC_CTL_PORT_ER1_OFFSET
;
5734 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
=
5735 phba
->sli4_hba
.conf_regs_memmap_p
+
5736 LPFC_CTL_PORT_ER2_OFFSET
;
5737 phba
->sli4_hba
.u
.if_type2
.CTRLregaddr
=
5738 phba
->sli4_hba
.conf_regs_memmap_p
+
5739 LPFC_CTL_PORT_CTL_OFFSET
;
5740 phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
=
5741 phba
->sli4_hba
.conf_regs_memmap_p
+
5742 LPFC_CTL_PORT_STA_OFFSET
;
5743 phba
->sli4_hba
.SLIINTFregaddr
=
5744 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_SLI_INTF
;
5745 phba
->sli4_hba
.PSMPHRregaddr
=
5746 phba
->sli4_hba
.conf_regs_memmap_p
+
5747 LPFC_CTL_PORT_SEM_OFFSET
;
5748 phba
->sli4_hba
.RQDBregaddr
=
5749 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_RQ_DOORBELL
;
5750 phba
->sli4_hba
.WQDBregaddr
=
5751 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_WQ_DOORBELL
;
5752 phba
->sli4_hba
.EQCQDBregaddr
=
5753 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_EQCQ_DOORBELL
;
5754 phba
->sli4_hba
.MQDBregaddr
=
5755 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_MQ_DOORBELL
;
5756 phba
->sli4_hba
.BMBXregaddr
=
5757 phba
->sli4_hba
.conf_regs_memmap_p
+ LPFC_BMBX
;
5759 case LPFC_SLI_INTF_IF_TYPE_1
:
5761 dev_printk(KERN_ERR
, &phba
->pcidev
->dev
,
5762 "FATAL - unsupported SLI4 interface type - %d\n",
5769 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
5770 * @phba: pointer to lpfc hba data structure.
5772 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
5776 lpfc_sli4_bar1_register_memmap(struct lpfc_hba
*phba
)
5778 phba
->sli4_hba
.PSMPHRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
5779 LPFC_SLIPORT_IF0_SMPHR
;
5780 phba
->sli4_hba
.ISRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
5782 phba
->sli4_hba
.IMRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
5784 phba
->sli4_hba
.ISCRregaddr
= phba
->sli4_hba
.ctrl_regs_memmap_p
+
5789 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
5790 * @phba: pointer to lpfc hba data structure.
5791 * @vf: virtual function number
5793 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
5794 * based on the given viftual function number, @vf.
5796 * Return 0 if successful, otherwise -ENODEV.
5799 lpfc_sli4_bar2_register_memmap(struct lpfc_hba
*phba
, uint32_t vf
)
5801 if (vf
> LPFC_VIR_FUNC_MAX
)
5804 phba
->sli4_hba
.RQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
5805 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_RQ_DOORBELL
);
5806 phba
->sli4_hba
.WQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
5807 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_WQ_DOORBELL
);
5808 phba
->sli4_hba
.EQCQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
5809 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_EQCQ_DOORBELL
);
5810 phba
->sli4_hba
.MQDBregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
5811 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_MQ_DOORBELL
);
5812 phba
->sli4_hba
.BMBXregaddr
= (phba
->sli4_hba
.drbl_regs_memmap_p
+
5813 vf
* LPFC_VFR_PAGE_SIZE
+ LPFC_BMBX
);
5818 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
5819 * @phba: pointer to lpfc hba data structure.
5821 * This routine is invoked to create the bootstrap mailbox
5822 * region consistent with the SLI-4 interface spec. This
5823 * routine allocates all memory necessary to communicate
5824 * mailbox commands to the port and sets up all alignment
5825 * needs. No locks are expected to be held when calling
5830 * -ENOMEM - could not allocated memory.
5833 lpfc_create_bootstrap_mbox(struct lpfc_hba
*phba
)
5836 struct lpfc_dmabuf
*dmabuf
;
5837 struct dma_address
*dma_address
;
5841 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
5846 * The bootstrap mailbox region is comprised of 2 parts
5847 * plus an alignment restriction of 16 bytes.
5849 bmbx_size
= sizeof(struct lpfc_bmbx_create
) + (LPFC_ALIGN_16_BYTE
- 1);
5850 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
5854 if (!dmabuf
->virt
) {
5858 memset(dmabuf
->virt
, 0, bmbx_size
);
5861 * Initialize the bootstrap mailbox pointers now so that the register
5862 * operations are simple later. The mailbox dma address is required
5863 * to be 16-byte aligned. Also align the virtual memory as each
5864 * maibox is copied into the bmbx mailbox region before issuing the
5865 * command to the port.
5867 phba
->sli4_hba
.bmbx
.dmabuf
= dmabuf
;
5868 phba
->sli4_hba
.bmbx
.bmbx_size
= bmbx_size
;
5870 phba
->sli4_hba
.bmbx
.avirt
= PTR_ALIGN(dmabuf
->virt
,
5871 LPFC_ALIGN_16_BYTE
);
5872 phba
->sli4_hba
.bmbx
.aphys
= ALIGN(dmabuf
->phys
,
5873 LPFC_ALIGN_16_BYTE
);
5876 * Set the high and low physical addresses now. The SLI4 alignment
5877 * requirement is 16 bytes and the mailbox is posted to the port
5878 * as two 30-bit addresses. The other data is a bit marking whether
5879 * the 30-bit address is the high or low address.
5880 * Upcast bmbx aphys to 64bits so shift instruction compiles
5881 * clean on 32 bit machines.
5883 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
5884 phys_addr
= (uint64_t)phba
->sli4_hba
.bmbx
.aphys
;
5885 pa_addr
= (uint32_t) ((phys_addr
>> 34) & 0x3fffffff);
5886 dma_address
->addr_hi
= (uint32_t) ((pa_addr
<< 2) |
5887 LPFC_BMBX_BIT1_ADDR_HI
);
5889 pa_addr
= (uint32_t) ((phba
->sli4_hba
.bmbx
.aphys
>> 4) & 0x3fffffff);
5890 dma_address
->addr_lo
= (uint32_t) ((pa_addr
<< 2) |
5891 LPFC_BMBX_BIT1_ADDR_LO
);
5896 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
5897 * @phba: pointer to lpfc hba data structure.
5899 * This routine is invoked to teardown the bootstrap mailbox
5900 * region and release all host resources. This routine requires
5901 * the caller to ensure all mailbox commands recovered, no
5902 * additional mailbox comands are sent, and interrupts are disabled
5903 * before calling this routine.
5907 lpfc_destroy_bootstrap_mbox(struct lpfc_hba
*phba
)
5909 dma_free_coherent(&phba
->pcidev
->dev
,
5910 phba
->sli4_hba
.bmbx
.bmbx_size
,
5911 phba
->sli4_hba
.bmbx
.dmabuf
->virt
,
5912 phba
->sli4_hba
.bmbx
.dmabuf
->phys
);
5914 kfree(phba
->sli4_hba
.bmbx
.dmabuf
);
5915 memset(&phba
->sli4_hba
.bmbx
, 0, sizeof(struct lpfc_bmbx
));
5919 * lpfc_sli4_read_config - Get the config parameters.
5920 * @phba: pointer to lpfc hba data structure.
5922 * This routine is invoked to read the configuration parameters from the HBA.
5923 * The configuration parameters are used to set the base and maximum values
5924 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
5925 * allocation for the port.
5929 * -ENOMEM - No available memory
5930 * -EIO - The mailbox failed to complete successfully.
5933 lpfc_sli4_read_config(struct lpfc_hba
*phba
)
5936 struct lpfc_mbx_read_config
*rd_config
;
5937 union lpfc_sli4_cfg_shdr
*shdr
;
5938 uint32_t shdr_status
, shdr_add_status
;
5939 struct lpfc_mbx_get_func_cfg
*get_func_cfg
;
5940 struct lpfc_rsrc_desc_fcfcoe
*desc
;
5941 uint32_t desc_count
;
5942 int length
, i
, rc
= 0;
5944 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5946 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5947 "2011 Unable to allocate memory for issuing "
5948 "SLI_CONFIG_SPECIAL mailbox command\n");
5952 lpfc_read_config(phba
, pmb
);
5954 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
5955 if (rc
!= MBX_SUCCESS
) {
5956 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5957 "2012 Mailbox failed , mbxCmd x%x "
5958 "READ_CONFIG, mbxStatus x%x\n",
5959 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
5960 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
5963 rd_config
= &pmb
->u
.mqe
.un
.rd_config
;
5964 phba
->sli4_hba
.extents_in_use
=
5965 bf_get(lpfc_mbx_rd_conf_extnts_inuse
, rd_config
);
5966 phba
->sli4_hba
.max_cfg_param
.max_xri
=
5967 bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
5968 phba
->sli4_hba
.max_cfg_param
.xri_base
=
5969 bf_get(lpfc_mbx_rd_conf_xri_base
, rd_config
);
5970 phba
->sli4_hba
.max_cfg_param
.max_vpi
=
5971 bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
);
5972 phba
->sli4_hba
.max_cfg_param
.vpi_base
=
5973 bf_get(lpfc_mbx_rd_conf_vpi_base
, rd_config
);
5974 phba
->sli4_hba
.max_cfg_param
.max_rpi
=
5975 bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
5976 phba
->sli4_hba
.max_cfg_param
.rpi_base
=
5977 bf_get(lpfc_mbx_rd_conf_rpi_base
, rd_config
);
5978 phba
->sli4_hba
.max_cfg_param
.max_vfi
=
5979 bf_get(lpfc_mbx_rd_conf_vfi_count
, rd_config
);
5980 phba
->sli4_hba
.max_cfg_param
.vfi_base
=
5981 bf_get(lpfc_mbx_rd_conf_vfi_base
, rd_config
);
5982 phba
->sli4_hba
.max_cfg_param
.max_fcfi
=
5983 bf_get(lpfc_mbx_rd_conf_fcfi_count
, rd_config
);
5984 phba
->sli4_hba
.max_cfg_param
.max_eq
=
5985 bf_get(lpfc_mbx_rd_conf_eq_count
, rd_config
);
5986 phba
->sli4_hba
.max_cfg_param
.max_rq
=
5987 bf_get(lpfc_mbx_rd_conf_rq_count
, rd_config
);
5988 phba
->sli4_hba
.max_cfg_param
.max_wq
=
5989 bf_get(lpfc_mbx_rd_conf_wq_count
, rd_config
);
5990 phba
->sli4_hba
.max_cfg_param
.max_cq
=
5991 bf_get(lpfc_mbx_rd_conf_cq_count
, rd_config
);
5992 phba
->lmt
= bf_get(lpfc_mbx_rd_conf_lmt
, rd_config
);
5993 phba
->sli4_hba
.next_xri
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
5994 phba
->vpi_base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
5995 phba
->vfi_base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
5996 phba
->sli4_hba
.next_rpi
= phba
->sli4_hba
.max_cfg_param
.rpi_base
;
5997 phba
->max_vpi
= (phba
->sli4_hba
.max_cfg_param
.max_vpi
> 0) ?
5998 (phba
->sli4_hba
.max_cfg_param
.max_vpi
- 1) : 0;
5999 phba
->max_vports
= phba
->max_vpi
;
6000 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6001 "2003 cfg params Extents? %d "
6007 phba
->sli4_hba
.extents_in_use
,
6008 phba
->sli4_hba
.max_cfg_param
.xri_base
,
6009 phba
->sli4_hba
.max_cfg_param
.max_xri
,
6010 phba
->sli4_hba
.max_cfg_param
.vpi_base
,
6011 phba
->sli4_hba
.max_cfg_param
.max_vpi
,
6012 phba
->sli4_hba
.max_cfg_param
.vfi_base
,
6013 phba
->sli4_hba
.max_cfg_param
.max_vfi
,
6014 phba
->sli4_hba
.max_cfg_param
.rpi_base
,
6015 phba
->sli4_hba
.max_cfg_param
.max_rpi
,
6016 phba
->sli4_hba
.max_cfg_param
.max_fcfi
);
6022 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
6023 if (phba
->cfg_hba_queue_depth
>
6024 (phba
->sli4_hba
.max_cfg_param
.max_xri
-
6025 lpfc_sli4_get_els_iocb_cnt(phba
)))
6026 phba
->cfg_hba_queue_depth
=
6027 phba
->sli4_hba
.max_cfg_param
.max_xri
-
6028 lpfc_sli4_get_els_iocb_cnt(phba
);
6030 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) !=
6031 LPFC_SLI_INTF_IF_TYPE_2
)
6034 /* get the pf# and vf# for SLI4 if_type 2 port */
6035 length
= (sizeof(struct lpfc_mbx_get_func_cfg
) -
6036 sizeof(struct lpfc_sli4_cfg_mhdr
));
6037 lpfc_sli4_config(phba
, pmb
, LPFC_MBOX_SUBSYSTEM_COMMON
,
6038 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG
,
6039 length
, LPFC_SLI4_MBX_EMBED
);
6041 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
6042 shdr
= (union lpfc_sli4_cfg_shdr
*)
6043 &pmb
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
6044 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
6045 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
6046 if (rc
|| shdr_status
|| shdr_add_status
) {
6047 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6048 "3026 Mailbox failed , mbxCmd x%x "
6049 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
6050 bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
),
6051 bf_get(lpfc_mqe_status
, &pmb
->u
.mqe
));
6056 /* search for fc_fcoe resrouce descriptor */
6057 get_func_cfg
= &pmb
->u
.mqe
.un
.get_func_cfg
;
6058 desc_count
= get_func_cfg
->func_cfg
.rsrc_desc_count
;
6060 for (i
= 0; i
< LPFC_RSRC_DESC_MAX_NUM
; i
++) {
6061 desc
= (struct lpfc_rsrc_desc_fcfcoe
*)
6062 &get_func_cfg
->func_cfg
.desc
[i
];
6063 if (LPFC_RSRC_DESC_TYPE_FCFCOE
==
6064 bf_get(lpfc_rsrc_desc_pcie_type
, desc
)) {
6065 phba
->sli4_hba
.iov
.pf_number
=
6066 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum
, desc
);
6067 phba
->sli4_hba
.iov
.vf_number
=
6068 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum
, desc
);
6073 if (i
< LPFC_RSRC_DESC_MAX_NUM
)
6074 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
6075 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
6076 "vf_number:%d\n", phba
->sli4_hba
.iov
.pf_number
,
6077 phba
->sli4_hba
.iov
.vf_number
);
6079 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6080 "3028 GET_FUNCTION_CONFIG: failed to find "
6081 "Resrouce Descriptor:x%x\n",
6082 LPFC_RSRC_DESC_TYPE_FCFCOE
);
6087 mempool_free(pmb
, phba
->mbox_mem_pool
);
6092 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
6093 * @phba: pointer to lpfc hba data structure.
6095 * This routine is invoked to setup the port-side endian order when
6096 * the port if_type is 0. This routine has no function for other
6101 * -ENOMEM - No available memory
6102 * -EIO - The mailbox failed to complete successfully.
6105 lpfc_setup_endian_order(struct lpfc_hba
*phba
)
6107 LPFC_MBOXQ_t
*mboxq
;
6108 uint32_t if_type
, rc
= 0;
6109 uint32_t endian_mb_data
[2] = {HOST_ENDIAN_LOW_WORD0
,
6110 HOST_ENDIAN_HIGH_WORD1
};
6112 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
6114 case LPFC_SLI_INTF_IF_TYPE_0
:
6115 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
6118 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6119 "0492 Unable to allocate memory for "
6120 "issuing SLI_CONFIG_SPECIAL mailbox "
6126 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
6127 * two words to contain special data values and no other data.
6129 memset(mboxq
, 0, sizeof(LPFC_MBOXQ_t
));
6130 memcpy(&mboxq
->u
.mqe
, &endian_mb_data
, sizeof(endian_mb_data
));
6131 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6132 if (rc
!= MBX_SUCCESS
) {
6133 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6134 "0493 SLI_CONFIG_SPECIAL mailbox "
6135 "failed with status x%x\n",
6139 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6141 case LPFC_SLI_INTF_IF_TYPE_2
:
6142 case LPFC_SLI_INTF_IF_TYPE_1
:
6150 * lpfc_sli4_queue_create - Create all the SLI4 queues
6151 * @phba: pointer to lpfc hba data structure.
6153 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
6154 * operation. For each SLI4 queue type, the parameters such as queue entry
6155 * count (queue depth) shall be taken from the module parameter. For now,
6156 * we just use some constant number as place holder.
6160 * -ENOMEM - No available memory
6161 * -EIO - The mailbox failed to complete successfully.
6164 lpfc_sli4_queue_create(struct lpfc_hba
*phba
)
6166 struct lpfc_queue
*qdesc
;
6167 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
6168 int cfg_fcp_wq_count
;
6169 int cfg_fcp_eq_count
;
6172 * Sanity check for confiugred queue parameters against the run-time
6176 /* Sanity check on FCP fast-path WQ parameters */
6177 cfg_fcp_wq_count
= phba
->cfg_fcp_wq_count
;
6178 if (cfg_fcp_wq_count
>
6179 (phba
->sli4_hba
.max_cfg_param
.max_wq
- LPFC_SP_WQN_DEF
)) {
6180 cfg_fcp_wq_count
= phba
->sli4_hba
.max_cfg_param
.max_wq
-
6182 if (cfg_fcp_wq_count
< LPFC_FP_WQN_MIN
) {
6183 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6184 "2581 Not enough WQs (%d) from "
6185 "the pci function for supporting "
6187 phba
->sli4_hba
.max_cfg_param
.max_wq
,
6188 phba
->cfg_fcp_wq_count
);
6191 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6192 "2582 Not enough WQs (%d) from the pci "
6193 "function for supporting the requested "
6194 "FCP WQs (%d), the actual FCP WQs can "
6195 "be supported: %d\n",
6196 phba
->sli4_hba
.max_cfg_param
.max_wq
,
6197 phba
->cfg_fcp_wq_count
, cfg_fcp_wq_count
);
6199 /* The actual number of FCP work queues adopted */
6200 phba
->cfg_fcp_wq_count
= cfg_fcp_wq_count
;
6202 /* Sanity check on FCP fast-path EQ parameters */
6203 cfg_fcp_eq_count
= phba
->cfg_fcp_eq_count
;
6204 if (cfg_fcp_eq_count
>
6205 (phba
->sli4_hba
.max_cfg_param
.max_eq
- LPFC_SP_EQN_DEF
)) {
6206 cfg_fcp_eq_count
= phba
->sli4_hba
.max_cfg_param
.max_eq
-
6208 if (cfg_fcp_eq_count
< LPFC_FP_EQN_MIN
) {
6209 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6210 "2574 Not enough EQs (%d) from the "
6211 "pci function for supporting FCP "
6213 phba
->sli4_hba
.max_cfg_param
.max_eq
,
6214 phba
->cfg_fcp_eq_count
);
6217 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6218 "2575 Not enough EQs (%d) from the pci "
6219 "function for supporting the requested "
6220 "FCP EQs (%d), the actual FCP EQs can "
6221 "be supported: %d\n",
6222 phba
->sli4_hba
.max_cfg_param
.max_eq
,
6223 phba
->cfg_fcp_eq_count
, cfg_fcp_eq_count
);
6225 /* It does not make sense to have more EQs than WQs */
6226 if (cfg_fcp_eq_count
> phba
->cfg_fcp_wq_count
) {
6227 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6228 "2593 The FCP EQ count(%d) cannot be greater "
6229 "than the FCP WQ count(%d), limiting the "
6230 "FCP EQ count to %d\n", cfg_fcp_eq_count
,
6231 phba
->cfg_fcp_wq_count
,
6232 phba
->cfg_fcp_wq_count
);
6233 cfg_fcp_eq_count
= phba
->cfg_fcp_wq_count
;
6235 /* The actual number of FCP event queues adopted */
6236 phba
->cfg_fcp_eq_count
= cfg_fcp_eq_count
;
6237 /* The overall number of event queues used */
6238 phba
->sli4_hba
.cfg_eqn
= phba
->cfg_fcp_eq_count
+ LPFC_SP_EQN_DEF
;
6241 * Create Event Queues (EQs)
6244 /* Get EQ depth from module parameter, fake the default for now */
6245 phba
->sli4_hba
.eq_esize
= LPFC_EQE_SIZE_4B
;
6246 phba
->sli4_hba
.eq_ecount
= LPFC_EQE_DEF_COUNT
;
6248 /* Create slow path event queue */
6249 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
6250 phba
->sli4_hba
.eq_ecount
);
6252 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6253 "0496 Failed allocate slow-path EQ\n");
6256 phba
->sli4_hba
.sp_eq
= qdesc
;
6258 /* Create fast-path FCP Event Queue(s) */
6259 phba
->sli4_hba
.fp_eq
= kzalloc((sizeof(struct lpfc_queue
*) *
6260 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
6261 if (!phba
->sli4_hba
.fp_eq
) {
6262 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6263 "2576 Failed allocate memory for fast-path "
6264 "EQ record array\n");
6265 goto out_free_sp_eq
;
6267 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_eq_count
; fcp_eqidx
++) {
6268 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.eq_esize
,
6269 phba
->sli4_hba
.eq_ecount
);
6271 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6272 "0497 Failed allocate fast-path EQ\n");
6273 goto out_free_fp_eq
;
6275 phba
->sli4_hba
.fp_eq
[fcp_eqidx
] = qdesc
;
6279 * Create Complete Queues (CQs)
6282 /* Get CQ depth from module parameter, fake the default for now */
6283 phba
->sli4_hba
.cq_esize
= LPFC_CQE_SIZE
;
6284 phba
->sli4_hba
.cq_ecount
= LPFC_CQE_DEF_COUNT
;
6286 /* Create slow-path Mailbox Command Complete Queue */
6287 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6288 phba
->sli4_hba
.cq_ecount
);
6290 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6291 "0500 Failed allocate slow-path mailbox CQ\n");
6292 goto out_free_fp_eq
;
6294 phba
->sli4_hba
.mbx_cq
= qdesc
;
6296 /* Create slow-path ELS Complete Queue */
6297 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6298 phba
->sli4_hba
.cq_ecount
);
6300 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6301 "0501 Failed allocate slow-path ELS CQ\n");
6302 goto out_free_mbx_cq
;
6304 phba
->sli4_hba
.els_cq
= qdesc
;
6307 /* Create fast-path FCP Completion Queue(s), one-to-one with EQs */
6308 phba
->sli4_hba
.fcp_cq
= kzalloc((sizeof(struct lpfc_queue
*) *
6309 phba
->cfg_fcp_eq_count
), GFP_KERNEL
);
6310 if (!phba
->sli4_hba
.fcp_cq
) {
6311 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6312 "2577 Failed allocate memory for fast-path "
6313 "CQ record array\n");
6314 goto out_free_els_cq
;
6316 for (fcp_cqidx
= 0; fcp_cqidx
< phba
->cfg_fcp_eq_count
; fcp_cqidx
++) {
6317 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.cq_esize
,
6318 phba
->sli4_hba
.cq_ecount
);
6320 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6321 "0499 Failed allocate fast-path FCP "
6322 "CQ (%d)\n", fcp_cqidx
);
6323 goto out_free_fcp_cq
;
6325 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
] = qdesc
;
6328 /* Create Mailbox Command Queue */
6329 phba
->sli4_hba
.mq_esize
= LPFC_MQE_SIZE
;
6330 phba
->sli4_hba
.mq_ecount
= LPFC_MQE_DEF_COUNT
;
6332 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.mq_esize
,
6333 phba
->sli4_hba
.mq_ecount
);
6335 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6336 "0505 Failed allocate slow-path MQ\n");
6337 goto out_free_fcp_cq
;
6339 phba
->sli4_hba
.mbx_wq
= qdesc
;
6342 * Create all the Work Queues (WQs)
6344 phba
->sli4_hba
.wq_esize
= LPFC_WQE_SIZE
;
6345 phba
->sli4_hba
.wq_ecount
= LPFC_WQE_DEF_COUNT
;
6347 /* Create slow-path ELS Work Queue */
6348 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
6349 phba
->sli4_hba
.wq_ecount
);
6351 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6352 "0504 Failed allocate slow-path ELS WQ\n");
6353 goto out_free_mbx_wq
;
6355 phba
->sli4_hba
.els_wq
= qdesc
;
6357 /* Create fast-path FCP Work Queue(s) */
6358 phba
->sli4_hba
.fcp_wq
= kzalloc((sizeof(struct lpfc_queue
*) *
6359 phba
->cfg_fcp_wq_count
), GFP_KERNEL
);
6360 if (!phba
->sli4_hba
.fcp_wq
) {
6361 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6362 "2578 Failed allocate memory for fast-path "
6363 "WQ record array\n");
6364 goto out_free_els_wq
;
6366 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_wq_count
; fcp_wqidx
++) {
6367 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.wq_esize
,
6368 phba
->sli4_hba
.wq_ecount
);
6370 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6371 "0503 Failed allocate fast-path FCP "
6372 "WQ (%d)\n", fcp_wqidx
);
6373 goto out_free_fcp_wq
;
6375 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
] = qdesc
;
6379 * Create Receive Queue (RQ)
6381 phba
->sli4_hba
.rq_esize
= LPFC_RQE_SIZE
;
6382 phba
->sli4_hba
.rq_ecount
= LPFC_RQE_DEF_COUNT
;
6384 /* Create Receive Queue for header */
6385 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
6386 phba
->sli4_hba
.rq_ecount
);
6388 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6389 "0506 Failed allocate receive HRQ\n");
6390 goto out_free_fcp_wq
;
6392 phba
->sli4_hba
.hdr_rq
= qdesc
;
6394 /* Create Receive Queue for data */
6395 qdesc
= lpfc_sli4_queue_alloc(phba
, phba
->sli4_hba
.rq_esize
,
6396 phba
->sli4_hba
.rq_ecount
);
6398 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6399 "0507 Failed allocate receive DRQ\n");
6400 goto out_free_hdr_rq
;
6402 phba
->sli4_hba
.dat_rq
= qdesc
;
6407 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
6408 phba
->sli4_hba
.hdr_rq
= NULL
;
6410 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--) {
6411 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
6412 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
] = NULL
;
6414 kfree(phba
->sli4_hba
.fcp_wq
);
6416 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
6417 phba
->sli4_hba
.els_wq
= NULL
;
6419 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
6420 phba
->sli4_hba
.mbx_wq
= NULL
;
6422 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--) {
6423 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
6424 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
] = NULL
;
6426 kfree(phba
->sli4_hba
.fcp_cq
);
6428 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
6429 phba
->sli4_hba
.els_cq
= NULL
;
6431 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
6432 phba
->sli4_hba
.mbx_cq
= NULL
;
6434 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--) {
6435 lpfc_sli4_queue_free(phba
->sli4_hba
.fp_eq
[fcp_eqidx
]);
6436 phba
->sli4_hba
.fp_eq
[fcp_eqidx
] = NULL
;
6438 kfree(phba
->sli4_hba
.fp_eq
);
6440 lpfc_sli4_queue_free(phba
->sli4_hba
.sp_eq
);
6441 phba
->sli4_hba
.sp_eq
= NULL
;
6447 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
6448 * @phba: pointer to lpfc hba data structure.
6450 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
6455 * -ENOMEM - No available memory
6456 * -EIO - The mailbox failed to complete successfully.
6459 lpfc_sli4_queue_destroy(struct lpfc_hba
*phba
)
6463 /* Release mailbox command work queue */
6464 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_wq
);
6465 phba
->sli4_hba
.mbx_wq
= NULL
;
6467 /* Release ELS work queue */
6468 lpfc_sli4_queue_free(phba
->sli4_hba
.els_wq
);
6469 phba
->sli4_hba
.els_wq
= NULL
;
6471 /* Release FCP work queue */
6472 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_wq_count
; fcp_qidx
++)
6473 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
6474 kfree(phba
->sli4_hba
.fcp_wq
);
6475 phba
->sli4_hba
.fcp_wq
= NULL
;
6477 /* Release unsolicited receive queue */
6478 lpfc_sli4_queue_free(phba
->sli4_hba
.hdr_rq
);
6479 phba
->sli4_hba
.hdr_rq
= NULL
;
6480 lpfc_sli4_queue_free(phba
->sli4_hba
.dat_rq
);
6481 phba
->sli4_hba
.dat_rq
= NULL
;
6483 /* Release ELS complete queue */
6484 lpfc_sli4_queue_free(phba
->sli4_hba
.els_cq
);
6485 phba
->sli4_hba
.els_cq
= NULL
;
6487 /* Release mailbox command complete queue */
6488 lpfc_sli4_queue_free(phba
->sli4_hba
.mbx_cq
);
6489 phba
->sli4_hba
.mbx_cq
= NULL
;
6491 /* Release FCP response complete queue */
6494 lpfc_sli4_queue_free(phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
6495 while (++fcp_qidx
< phba
->cfg_fcp_eq_count
);
6496 kfree(phba
->sli4_hba
.fcp_cq
);
6497 phba
->sli4_hba
.fcp_cq
= NULL
;
6499 /* Release fast-path event queue */
6500 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
6501 lpfc_sli4_queue_free(phba
->sli4_hba
.fp_eq
[fcp_qidx
]);
6502 kfree(phba
->sli4_hba
.fp_eq
);
6503 phba
->sli4_hba
.fp_eq
= NULL
;
6505 /* Release slow-path event queue */
6506 lpfc_sli4_queue_free(phba
->sli4_hba
.sp_eq
);
6507 phba
->sli4_hba
.sp_eq
= NULL
;
6513 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
6514 * @phba: pointer to lpfc hba data structure.
6516 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
6521 * -ENOMEM - No available memory
6522 * -EIO - The mailbox failed to complete successfully.
6525 lpfc_sli4_queue_setup(struct lpfc_hba
*phba
)
6528 int fcp_eqidx
, fcp_cqidx
, fcp_wqidx
;
6529 int fcp_cq_index
= 0;
6532 * Set up Event Queues (EQs)
6535 /* Set up slow-path event queue */
6536 if (!phba
->sli4_hba
.sp_eq
) {
6537 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6538 "0520 Slow-path EQ not allocated\n");
6541 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.sp_eq
,
6544 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6545 "0521 Failed setup of slow-path EQ: "
6549 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6550 "2583 Slow-path EQ setup: queue-id=%d\n",
6551 phba
->sli4_hba
.sp_eq
->queue_id
);
6553 /* Set up fast-path event queue */
6554 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_eq_count
; fcp_eqidx
++) {
6555 if (!phba
->sli4_hba
.fp_eq
[fcp_eqidx
]) {
6556 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6557 "0522 Fast-path EQ (%d) not "
6558 "allocated\n", fcp_eqidx
);
6559 goto out_destroy_fp_eq
;
6561 rc
= lpfc_eq_create(phba
, phba
->sli4_hba
.fp_eq
[fcp_eqidx
],
6562 phba
->cfg_fcp_imax
);
6564 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6565 "0523 Failed setup of fast-path EQ "
6566 "(%d), rc = 0x%x\n", fcp_eqidx
, rc
);
6567 goto out_destroy_fp_eq
;
6569 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6570 "2584 Fast-path EQ setup: "
6571 "queue[%d]-id=%d\n", fcp_eqidx
,
6572 phba
->sli4_hba
.fp_eq
[fcp_eqidx
]->queue_id
);
6576 * Set up Complete Queues (CQs)
6579 /* Set up slow-path MBOX Complete Queue as the first CQ */
6580 if (!phba
->sli4_hba
.mbx_cq
) {
6581 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6582 "0528 Mailbox CQ not allocated\n");
6583 goto out_destroy_fp_eq
;
6585 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.mbx_cq
, phba
->sli4_hba
.sp_eq
,
6586 LPFC_MCQ
, LPFC_MBOX
);
6588 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6589 "0529 Failed setup of slow-path mailbox CQ: "
6591 goto out_destroy_fp_eq
;
6593 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6594 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
6595 phba
->sli4_hba
.mbx_cq
->queue_id
,
6596 phba
->sli4_hba
.sp_eq
->queue_id
);
6598 /* Set up slow-path ELS Complete Queue */
6599 if (!phba
->sli4_hba
.els_cq
) {
6600 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6601 "0530 ELS CQ not allocated\n");
6602 goto out_destroy_mbx_cq
;
6604 rc
= lpfc_cq_create(phba
, phba
->sli4_hba
.els_cq
, phba
->sli4_hba
.sp_eq
,
6605 LPFC_WCQ
, LPFC_ELS
);
6607 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6608 "0531 Failed setup of slow-path ELS CQ: "
6610 goto out_destroy_mbx_cq
;
6612 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6613 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
6614 phba
->sli4_hba
.els_cq
->queue_id
,
6615 phba
->sli4_hba
.sp_eq
->queue_id
);
6617 /* Set up fast-path FCP Response Complete Queue */
6620 if (!phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]) {
6621 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6622 "0526 Fast-path FCP CQ (%d) not "
6623 "allocated\n", fcp_cqidx
);
6624 goto out_destroy_fcp_cq
;
6626 if (phba
->cfg_fcp_eq_count
)
6627 rc
= lpfc_cq_create(phba
,
6628 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
6629 phba
->sli4_hba
.fp_eq
[fcp_cqidx
],
6630 LPFC_WCQ
, LPFC_FCP
);
6632 rc
= lpfc_cq_create(phba
,
6633 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
],
6634 phba
->sli4_hba
.sp_eq
,
6635 LPFC_WCQ
, LPFC_FCP
);
6637 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6638 "0527 Failed setup of fast-path FCP "
6639 "CQ (%d), rc = 0x%x\n", fcp_cqidx
, rc
);
6640 goto out_destroy_fcp_cq
;
6642 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6643 "2588 FCP CQ setup: cq[%d]-id=%d, "
6644 "parent %seq[%d]-id=%d\n",
6646 phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]->queue_id
,
6647 (phba
->cfg_fcp_eq_count
) ? "" : "sp_",
6649 (phba
->cfg_fcp_eq_count
) ?
6650 phba
->sli4_hba
.fp_eq
[fcp_cqidx
]->queue_id
:
6651 phba
->sli4_hba
.sp_eq
->queue_id
);
6652 } while (++fcp_cqidx
< phba
->cfg_fcp_eq_count
);
6655 * Set up all the Work Queues (WQs)
6658 /* Set up Mailbox Command Queue */
6659 if (!phba
->sli4_hba
.mbx_wq
) {
6660 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6661 "0538 Slow-path MQ not allocated\n");
6662 goto out_destroy_fcp_cq
;
6664 rc
= lpfc_mq_create(phba
, phba
->sli4_hba
.mbx_wq
,
6665 phba
->sli4_hba
.mbx_cq
, LPFC_MBOX
);
6667 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6668 "0539 Failed setup of slow-path MQ: "
6670 goto out_destroy_fcp_cq
;
6672 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6673 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
6674 phba
->sli4_hba
.mbx_wq
->queue_id
,
6675 phba
->sli4_hba
.mbx_cq
->queue_id
);
6677 /* Set up slow-path ELS Work Queue */
6678 if (!phba
->sli4_hba
.els_wq
) {
6679 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6680 "0536 Slow-path ELS WQ not allocated\n");
6681 goto out_destroy_mbx_wq
;
6683 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.els_wq
,
6684 phba
->sli4_hba
.els_cq
, LPFC_ELS
);
6686 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6687 "0537 Failed setup of slow-path ELS WQ: "
6689 goto out_destroy_mbx_wq
;
6691 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6692 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
6693 phba
->sli4_hba
.els_wq
->queue_id
,
6694 phba
->sli4_hba
.els_cq
->queue_id
);
6696 /* Set up fast-path FCP Work Queue */
6697 for (fcp_wqidx
= 0; fcp_wqidx
< phba
->cfg_fcp_wq_count
; fcp_wqidx
++) {
6698 if (!phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]) {
6699 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6700 "0534 Fast-path FCP WQ (%d) not "
6701 "allocated\n", fcp_wqidx
);
6702 goto out_destroy_fcp_wq
;
6704 rc
= lpfc_wq_create(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
],
6705 phba
->sli4_hba
.fcp_cq
[fcp_cq_index
],
6708 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6709 "0535 Failed setup of fast-path FCP "
6710 "WQ (%d), rc = 0x%x\n", fcp_wqidx
, rc
);
6711 goto out_destroy_fcp_wq
;
6713 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6714 "2591 FCP WQ setup: wq[%d]-id=%d, "
6715 "parent cq[%d]-id=%d\n",
6717 phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]->queue_id
,
6719 phba
->sli4_hba
.fcp_cq
[fcp_cq_index
]->queue_id
);
6720 /* Round robin FCP Work Queue's Completion Queue assignment */
6721 if (phba
->cfg_fcp_eq_count
)
6722 fcp_cq_index
= ((fcp_cq_index
+ 1) %
6723 phba
->cfg_fcp_eq_count
);
6727 * Create Receive Queue (RQ)
6729 if (!phba
->sli4_hba
.hdr_rq
|| !phba
->sli4_hba
.dat_rq
) {
6730 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6731 "0540 Receive Queue not allocated\n");
6732 goto out_destroy_fcp_wq
;
6735 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.hdr_rq
, LPFC_ELS_HBQ
);
6736 lpfc_rq_adjust_repost(phba
, phba
->sli4_hba
.dat_rq
, LPFC_ELS_HBQ
);
6738 rc
= lpfc_rq_create(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
6739 phba
->sli4_hba
.els_cq
, LPFC_USOL
);
6741 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6742 "0541 Failed setup of Receive Queue: "
6744 goto out_destroy_fcp_wq
;
6747 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6748 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
6749 "parent cq-id=%d\n",
6750 phba
->sli4_hba
.hdr_rq
->queue_id
,
6751 phba
->sli4_hba
.dat_rq
->queue_id
,
6752 phba
->sli4_hba
.els_cq
->queue_id
);
6756 for (--fcp_wqidx
; fcp_wqidx
>= 0; fcp_wqidx
--)
6757 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_wqidx
]);
6758 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
6760 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
6762 for (--fcp_cqidx
; fcp_cqidx
>= 0; fcp_cqidx
--)
6763 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_cqidx
]);
6764 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
6766 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
6768 for (--fcp_eqidx
; fcp_eqidx
>= 0; fcp_eqidx
--)
6769 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fp_eq
[fcp_eqidx
]);
6770 lpfc_eq_destroy(phba
, phba
->sli4_hba
.sp_eq
);
6776 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
6777 * @phba: pointer to lpfc hba data structure.
6779 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
6784 * -ENOMEM - No available memory
6785 * -EIO - The mailbox failed to complete successfully.
6788 lpfc_sli4_queue_unset(struct lpfc_hba
*phba
)
6792 /* Unset mailbox command work queue */
6793 lpfc_mq_destroy(phba
, phba
->sli4_hba
.mbx_wq
);
6794 /* Unset ELS work queue */
6795 lpfc_wq_destroy(phba
, phba
->sli4_hba
.els_wq
);
6796 /* Unset unsolicited receive queue */
6797 lpfc_rq_destroy(phba
, phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
);
6798 /* Unset FCP work queue */
6799 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_wq_count
; fcp_qidx
++)
6800 lpfc_wq_destroy(phba
, phba
->sli4_hba
.fcp_wq
[fcp_qidx
]);
6801 /* Unset mailbox command complete queue */
6802 lpfc_cq_destroy(phba
, phba
->sli4_hba
.mbx_cq
);
6803 /* Unset ELS complete queue */
6804 lpfc_cq_destroy(phba
, phba
->sli4_hba
.els_cq
);
6805 /* Unset FCP response complete queue */
6806 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
6807 lpfc_cq_destroy(phba
, phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
6808 /* Unset fast-path event queue */
6809 for (fcp_qidx
= 0; fcp_qidx
< phba
->cfg_fcp_eq_count
; fcp_qidx
++)
6810 lpfc_eq_destroy(phba
, phba
->sli4_hba
.fp_eq
[fcp_qidx
]);
6811 /* Unset slow-path event queue */
6812 lpfc_eq_destroy(phba
, phba
->sli4_hba
.sp_eq
);
6816 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
6817 * @phba: pointer to lpfc hba data structure.
6819 * This routine is invoked to allocate and set up a pool of completion queue
6820 * events. The body of the completion queue event is a completion queue entry
6821 * CQE. For now, this pool is used for the interrupt service routine to queue
6822 * the following HBA completion queue events for the worker thread to process:
6823 * - Mailbox asynchronous events
6824 * - Receive queue completion unsolicited events
6825 * Later, this can be used for all the slow-path events.
6829 * -ENOMEM - No available memory
6832 lpfc_sli4_cq_event_pool_create(struct lpfc_hba
*phba
)
6834 struct lpfc_cq_event
*cq_event
;
6837 for (i
= 0; i
< (4 * phba
->sli4_hba
.cq_ecount
); i
++) {
6838 cq_event
= kmalloc(sizeof(struct lpfc_cq_event
), GFP_KERNEL
);
6840 goto out_pool_create_fail
;
6841 list_add_tail(&cq_event
->list
,
6842 &phba
->sli4_hba
.sp_cqe_event_pool
);
6846 out_pool_create_fail
:
6847 lpfc_sli4_cq_event_pool_destroy(phba
);
6852 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
6853 * @phba: pointer to lpfc hba data structure.
6855 * This routine is invoked to free the pool of completion queue events at
6856 * driver unload time. Note that, it is the responsibility of the driver
6857 * cleanup routine to free all the outstanding completion-queue events
6858 * allocated from this pool back into the pool before invoking this routine
6859 * to destroy the pool.
6862 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba
*phba
)
6864 struct lpfc_cq_event
*cq_event
, *next_cq_event
;
6866 list_for_each_entry_safe(cq_event
, next_cq_event
,
6867 &phba
->sli4_hba
.sp_cqe_event_pool
, list
) {
6868 list_del(&cq_event
->list
);
6874 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
6875 * @phba: pointer to lpfc hba data structure.
6877 * This routine is the lock free version of the API invoked to allocate a
6878 * completion-queue event from the free pool.
6880 * Return: Pointer to the newly allocated completion-queue event if successful
6883 struct lpfc_cq_event
*
6884 __lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
6886 struct lpfc_cq_event
*cq_event
= NULL
;
6888 list_remove_head(&phba
->sli4_hba
.sp_cqe_event_pool
, cq_event
,
6889 struct lpfc_cq_event
, list
);
6894 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
6895 * @phba: pointer to lpfc hba data structure.
6897 * This routine is the lock version of the API invoked to allocate a
6898 * completion-queue event from the free pool.
6900 * Return: Pointer to the newly allocated completion-queue event if successful
6903 struct lpfc_cq_event
*
6904 lpfc_sli4_cq_event_alloc(struct lpfc_hba
*phba
)
6906 struct lpfc_cq_event
*cq_event
;
6907 unsigned long iflags
;
6909 spin_lock_irqsave(&phba
->hbalock
, iflags
);
6910 cq_event
= __lpfc_sli4_cq_event_alloc(phba
);
6911 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
6916 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
6917 * @phba: pointer to lpfc hba data structure.
6918 * @cq_event: pointer to the completion queue event to be freed.
6920 * This routine is the lock free version of the API invoked to release a
6921 * completion-queue event back into the free pool.
6924 __lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
6925 struct lpfc_cq_event
*cq_event
)
6927 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_cqe_event_pool
);
6931 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
6932 * @phba: pointer to lpfc hba data structure.
6933 * @cq_event: pointer to the completion queue event to be freed.
6935 * This routine is the lock version of the API invoked to release a
6936 * completion-queue event back into the free pool.
6939 lpfc_sli4_cq_event_release(struct lpfc_hba
*phba
,
6940 struct lpfc_cq_event
*cq_event
)
6942 unsigned long iflags
;
6943 spin_lock_irqsave(&phba
->hbalock
, iflags
);
6944 __lpfc_sli4_cq_event_release(phba
, cq_event
);
6945 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
6949 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
6950 * @phba: pointer to lpfc hba data structure.
6952 * This routine is to free all the pending completion-queue events to the
6953 * back into the free pool for device reset.
6956 lpfc_sli4_cq_event_release_all(struct lpfc_hba
*phba
)
6959 struct lpfc_cq_event
*cqe
;
6960 unsigned long iflags
;
6962 /* Retrieve all the pending WCQEs from pending WCQE lists */
6963 spin_lock_irqsave(&phba
->hbalock
, iflags
);
6964 /* Pending FCP XRI abort events */
6965 list_splice_init(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
6967 /* Pending ELS XRI abort events */
6968 list_splice_init(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
6970 /* Pending asynnc events */
6971 list_splice_init(&phba
->sli4_hba
.sp_asynce_work_queue
,
6973 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
6975 while (!list_empty(&cqelist
)) {
6976 list_remove_head(&cqelist
, cqe
, struct lpfc_cq_event
, list
);
6977 lpfc_sli4_cq_event_release(phba
, cqe
);
6982 * lpfc_pci_function_reset - Reset pci function.
6983 * @phba: pointer to lpfc hba data structure.
6985 * This routine is invoked to request a PCI function reset. It will destroys
6986 * all resources assigned to the PCI function which originates this request.
6990 * -ENOMEM - No available memory
6991 * -EIO - The mailbox failed to complete successfully.
6994 lpfc_pci_function_reset(struct lpfc_hba
*phba
)
6996 LPFC_MBOXQ_t
*mboxq
;
6997 uint32_t rc
= 0, if_type
;
6998 uint32_t shdr_status
, shdr_add_status
;
6999 uint32_t rdy_chk
, num_resets
= 0, reset_again
= 0;
7000 union lpfc_sli4_cfg_shdr
*shdr
;
7001 struct lpfc_register reg_data
;
7003 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7005 case LPFC_SLI_INTF_IF_TYPE_0
:
7006 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
,
7009 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7010 "0494 Unable to allocate memory for "
7011 "issuing SLI_FUNCTION_RESET mailbox "
7016 /* Setup PCI function reset mailbox-ioctl command */
7017 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7018 LPFC_MBOX_OPCODE_FUNCTION_RESET
, 0,
7019 LPFC_SLI4_MBX_EMBED
);
7020 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7021 shdr
= (union lpfc_sli4_cfg_shdr
*)
7022 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7023 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7024 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
7026 if (rc
!= MBX_TIMEOUT
)
7027 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7028 if (shdr_status
|| shdr_add_status
|| rc
) {
7029 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7030 "0495 SLI_FUNCTION_RESET mailbox "
7031 "failed with status x%x add_status x%x,"
7032 " mbx status x%x\n",
7033 shdr_status
, shdr_add_status
, rc
);
7037 case LPFC_SLI_INTF_IF_TYPE_2
:
7038 for (num_resets
= 0;
7039 num_resets
< MAX_IF_TYPE_2_RESETS
;
7042 bf_set(lpfc_sliport_ctrl_end
, ®_data
,
7043 LPFC_SLIPORT_LITTLE_ENDIAN
);
7044 bf_set(lpfc_sliport_ctrl_ip
, ®_data
,
7045 LPFC_SLIPORT_INIT_PORT
);
7046 writel(reg_data
.word0
, phba
->sli4_hba
.u
.if_type2
.
7050 * Poll the Port Status Register and wait for RDY for
7051 * up to 10 seconds. If the port doesn't respond, treat
7052 * it as an error. If the port responds with RN, start
7055 for (rdy_chk
= 0; rdy_chk
< 1000; rdy_chk
++) {
7057 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.
7058 STATUSregaddr
, ®_data
.word0
)) {
7062 if (bf_get(lpfc_sliport_status_rdy
, ®_data
))
7064 if (bf_get(lpfc_sliport_status_rn
, ®_data
)) {
7071 * If the port responds to the init request with
7072 * reset needed, delay for a bit and restart the loop.
7080 /* Detect any port errors. */
7081 if ((bf_get(lpfc_sliport_status_err
, ®_data
)) ||
7082 (rdy_chk
>= 1000)) {
7083 phba
->work_status
[0] = readl(
7084 phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
7085 phba
->work_status
[1] = readl(
7086 phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
7087 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7088 "2890 Port Error Detected "
7089 "during Port Reset: "
7090 "port status reg 0x%x, "
7091 "error 1=0x%x, error 2=0x%x\n",
7093 phba
->work_status
[0],
7094 phba
->work_status
[1]);
7099 * Terminate the outer loop provided the Port indicated
7100 * ready within 10 seconds.
7105 /* delay driver action following IF_TYPE_2 function reset */
7108 case LPFC_SLI_INTF_IF_TYPE_1
:
7114 /* Catch the not-ready port failure after a port reset. */
7115 if (num_resets
>= MAX_IF_TYPE_2_RESETS
)
7122 * lpfc_sli4_send_nop_mbox_cmds - Send sli-4 nop mailbox commands
7123 * @phba: pointer to lpfc hba data structure.
7124 * @cnt: number of nop mailbox commands to send.
7126 * This routine is invoked to send a number @cnt of NOP mailbox command and
7127 * wait for each command to complete.
7129 * Return: the number of NOP mailbox command completed.
7132 lpfc_sli4_send_nop_mbox_cmds(struct lpfc_hba
*phba
, uint32_t cnt
)
7134 LPFC_MBOXQ_t
*mboxq
;
7135 int length
, cmdsent
;
7138 uint32_t shdr_status
, shdr_add_status
;
7139 union lpfc_sli4_cfg_shdr
*shdr
;
7142 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7143 "2518 Requested to send 0 NOP mailbox cmd\n");
7147 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7149 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7150 "2519 Unable to allocate memory for issuing "
7151 "NOP mailbox command\n");
7155 /* Set up NOP SLI4_CONFIG mailbox-ioctl command */
7156 length
= (sizeof(struct lpfc_mbx_nop
) -
7157 sizeof(struct lpfc_sli4_cfg_mhdr
));
7158 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
7159 LPFC_MBOX_OPCODE_NOP
, length
, LPFC_SLI4_MBX_EMBED
);
7161 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
);
7162 for (cmdsent
= 0; cmdsent
< cnt
; cmdsent
++) {
7163 if (!phba
->sli4_hba
.intr_enable
)
7164 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7166 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
7167 if (rc
== MBX_TIMEOUT
)
7169 /* Check return status */
7170 shdr
= (union lpfc_sli4_cfg_shdr
*)
7171 &mboxq
->u
.mqe
.un
.sli4_config
.header
.cfg_shdr
;
7172 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
7173 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
7175 if (shdr_status
|| shdr_add_status
|| rc
) {
7176 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7177 "2520 NOP mailbox command failed "
7178 "status x%x add_status x%x mbx "
7179 "status x%x\n", shdr_status
,
7180 shdr_add_status
, rc
);
7185 if (rc
!= MBX_TIMEOUT
)
7186 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7192 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
7193 * @phba: pointer to lpfc hba data structure.
7195 * This routine is invoked to set up the PCI device memory space for device
7196 * with SLI-4 interface spec.
7200 * other values - error
7203 lpfc_sli4_pci_mem_setup(struct lpfc_hba
*phba
)
7205 struct pci_dev
*pdev
;
7206 unsigned long bar0map_len
, bar1map_len
, bar2map_len
;
7207 int error
= -ENODEV
;
7210 /* Obtain PCI device reference */
7214 pdev
= phba
->pcidev
;
7216 /* Set the device DMA mask size */
7217 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(64)) != 0
7218 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(64)) != 0) {
7219 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32)) != 0
7220 || pci_set_consistent_dma_mask(pdev
,DMA_BIT_MASK(32)) != 0) {
7226 * The BARs and register set definitions and offset locations are
7227 * dependent on the if_type.
7229 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
,
7230 &phba
->sli4_hba
.sli_intf
.word0
)) {
7234 /* There is no SLI3 failback for SLI4 devices. */
7235 if (bf_get(lpfc_sli_intf_valid
, &phba
->sli4_hba
.sli_intf
) !=
7236 LPFC_SLI_INTF_VALID
) {
7237 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7238 "2894 SLI_INTF reg contents invalid "
7239 "sli_intf reg 0x%x\n",
7240 phba
->sli4_hba
.sli_intf
.word0
);
7244 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
7246 * Get the bus address of SLI4 device Bar regions and the
7247 * number of bytes required by each mapping. The mapping of the
7248 * particular PCI BARs regions is dependent on the type of
7251 if (pci_resource_start(pdev
, 0)) {
7252 phba
->pci_bar0_map
= pci_resource_start(pdev
, 0);
7253 bar0map_len
= pci_resource_len(pdev
, 0);
7256 * Map SLI4 PCI Config Space Register base to a kernel virtual
7259 phba
->sli4_hba
.conf_regs_memmap_p
=
7260 ioremap(phba
->pci_bar0_map
, bar0map_len
);
7261 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
7262 dev_printk(KERN_ERR
, &pdev
->dev
,
7263 "ioremap failed for SLI4 PCI config "
7267 /* Set up BAR0 PCI config space register memory map */
7268 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
7270 phba
->pci_bar0_map
= pci_resource_start(pdev
, 1);
7271 bar0map_len
= pci_resource_len(pdev
, 1);
7272 if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
7273 dev_printk(KERN_ERR
, &pdev
->dev
,
7274 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
7277 phba
->sli4_hba
.conf_regs_memmap_p
=
7278 ioremap(phba
->pci_bar0_map
, bar0map_len
);
7279 if (!phba
->sli4_hba
.conf_regs_memmap_p
) {
7280 dev_printk(KERN_ERR
, &pdev
->dev
,
7281 "ioremap failed for SLI4 PCI config "
7285 lpfc_sli4_bar0_register_memmap(phba
, if_type
);
7288 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
7289 (pci_resource_start(pdev
, 2))) {
7291 * Map SLI4 if type 0 HBA Control Register base to a kernel
7292 * virtual address and setup the registers.
7294 phba
->pci_bar1_map
= pci_resource_start(pdev
, 2);
7295 bar1map_len
= pci_resource_len(pdev
, 2);
7296 phba
->sli4_hba
.ctrl_regs_memmap_p
=
7297 ioremap(phba
->pci_bar1_map
, bar1map_len
);
7298 if (!phba
->sli4_hba
.ctrl_regs_memmap_p
) {
7299 dev_printk(KERN_ERR
, &pdev
->dev
,
7300 "ioremap failed for SLI4 HBA control registers.\n");
7301 goto out_iounmap_conf
;
7303 lpfc_sli4_bar1_register_memmap(phba
);
7306 if ((if_type
== LPFC_SLI_INTF_IF_TYPE_0
) &&
7307 (pci_resource_start(pdev
, 4))) {
7309 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
7310 * virtual address and setup the registers.
7312 phba
->pci_bar2_map
= pci_resource_start(pdev
, 4);
7313 bar2map_len
= pci_resource_len(pdev
, 4);
7314 phba
->sli4_hba
.drbl_regs_memmap_p
=
7315 ioremap(phba
->pci_bar2_map
, bar2map_len
);
7316 if (!phba
->sli4_hba
.drbl_regs_memmap_p
) {
7317 dev_printk(KERN_ERR
, &pdev
->dev
,
7318 "ioremap failed for SLI4 HBA doorbell registers.\n");
7319 goto out_iounmap_ctrl
;
7321 error
= lpfc_sli4_bar2_register_memmap(phba
, LPFC_VF0
);
7323 goto out_iounmap_all
;
7329 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
7331 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
7333 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
7339 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
7340 * @phba: pointer to lpfc hba data structure.
7342 * This routine is invoked to unset the PCI device memory space for device
7343 * with SLI-4 interface spec.
7346 lpfc_sli4_pci_mem_unset(struct lpfc_hba
*phba
)
7348 struct pci_dev
*pdev
;
7350 /* Obtain PCI device reference */
7354 pdev
= phba
->pcidev
;
7356 /* Free coherent DMA memory allocated */
7358 /* Unmap I/O memory space */
7359 iounmap(phba
->sli4_hba
.drbl_regs_memmap_p
);
7360 iounmap(phba
->sli4_hba
.ctrl_regs_memmap_p
);
7361 iounmap(phba
->sli4_hba
.conf_regs_memmap_p
);
7367 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
7368 * @phba: pointer to lpfc hba data structure.
7370 * This routine is invoked to enable the MSI-X interrupt vectors to device
7371 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
7372 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
7373 * invoked, enables either all or nothing, depending on the current
7374 * availability of PCI vector resources. The device driver is responsible
7375 * for calling the individual request_irq() to register each MSI-X vector
7376 * with a interrupt handler, which is done in this function. Note that
7377 * later when device is unloading, the driver should always call free_irq()
7378 * on all MSI-X vectors it has done request_irq() on before calling
7379 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
7380 * will be left with MSI-X enabled and leaks its vectors.
7384 * other values - error
7387 lpfc_sli_enable_msix(struct lpfc_hba
*phba
)
7392 /* Set up MSI-X multi-message vectors */
7393 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
7394 phba
->msix_entries
[i
].entry
= i
;
7396 /* Configure MSI-X capability structure */
7397 rc
= pci_enable_msix(phba
->pcidev
, phba
->msix_entries
,
7398 ARRAY_SIZE(phba
->msix_entries
));
7400 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7401 "0420 PCI enable MSI-X failed (%d)\n", rc
);
7404 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
7405 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7406 "0477 MSI-X entry[%d]: vector=x%x "
7408 phba
->msix_entries
[i
].vector
,
7409 phba
->msix_entries
[i
].entry
);
7411 * Assign MSI-X vectors to interrupt handlers
7414 /* vector-0 is associated to slow-path handler */
7415 rc
= request_irq(phba
->msix_entries
[0].vector
,
7416 &lpfc_sli_sp_intr_handler
, IRQF_SHARED
,
7417 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
7419 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7420 "0421 MSI-X slow-path request_irq failed "
7425 /* vector-1 is associated to fast-path handler */
7426 rc
= request_irq(phba
->msix_entries
[1].vector
,
7427 &lpfc_sli_fp_intr_handler
, IRQF_SHARED
,
7428 LPFC_FP_DRIVER_HANDLER_NAME
, phba
);
7431 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7432 "0429 MSI-X fast-path request_irq failed "
7438 * Configure HBA MSI-X attention conditions to messages
7440 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
7444 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7445 "0474 Unable to allocate memory for issuing "
7446 "MBOX_CONFIG_MSI command\n");
7449 rc
= lpfc_config_msi(phba
, pmb
);
7452 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
7453 if (rc
!= MBX_SUCCESS
) {
7454 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
7455 "0351 Config MSI mailbox command failed, "
7456 "mbxCmd x%x, mbxStatus x%x\n",
7457 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
);
7461 /* Free memory allocated for mailbox command */
7462 mempool_free(pmb
, phba
->mbox_mem_pool
);
7466 /* Free memory allocated for mailbox command */
7467 mempool_free(pmb
, phba
->mbox_mem_pool
);
7470 /* free the irq already requested */
7471 free_irq(phba
->msix_entries
[1].vector
, phba
);
7474 /* free the irq already requested */
7475 free_irq(phba
->msix_entries
[0].vector
, phba
);
7478 /* Unconfigure MSI-X capability structure */
7479 pci_disable_msix(phba
->pcidev
);
7484 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
7485 * @phba: pointer to lpfc hba data structure.
7487 * This routine is invoked to release the MSI-X vectors and then disable the
7488 * MSI-X interrupt mode to device with SLI-3 interface spec.
7491 lpfc_sli_disable_msix(struct lpfc_hba
*phba
)
7495 /* Free up MSI-X multi-message vectors */
7496 for (i
= 0; i
< LPFC_MSIX_VECTORS
; i
++)
7497 free_irq(phba
->msix_entries
[i
].vector
, phba
);
7499 pci_disable_msix(phba
->pcidev
);
7505 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
7506 * @phba: pointer to lpfc hba data structure.
7508 * This routine is invoked to enable the MSI interrupt mode to device with
7509 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
7510 * enable the MSI vector. The device driver is responsible for calling the
7511 * request_irq() to register MSI vector with a interrupt the handler, which
7512 * is done in this function.
7516 * other values - error
7519 lpfc_sli_enable_msi(struct lpfc_hba
*phba
)
7523 rc
= pci_enable_msi(phba
->pcidev
);
7525 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7526 "0462 PCI enable MSI mode success.\n");
7528 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7529 "0471 PCI enable MSI mode failed (%d)\n", rc
);
7533 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
7534 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
7536 pci_disable_msi(phba
->pcidev
);
7537 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7538 "0478 MSI request_irq failed (%d)\n", rc
);
7544 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
7545 * @phba: pointer to lpfc hba data structure.
7547 * This routine is invoked to disable the MSI interrupt mode to device with
7548 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
7549 * done request_irq() on before calling pci_disable_msi(). Failure to do so
7550 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
7554 lpfc_sli_disable_msi(struct lpfc_hba
*phba
)
7556 free_irq(phba
->pcidev
->irq
, phba
);
7557 pci_disable_msi(phba
->pcidev
);
7562 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
7563 * @phba: pointer to lpfc hba data structure.
7565 * This routine is invoked to enable device interrupt and associate driver's
7566 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
7567 * spec. Depends on the interrupt mode configured to the driver, the driver
7568 * will try to fallback from the configured interrupt mode to an interrupt
7569 * mode which is supported by the platform, kernel, and device in the order
7571 * MSI-X -> MSI -> IRQ.
7575 * other values - error
7578 lpfc_sli_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
7580 uint32_t intr_mode
= LPFC_INTR_ERROR
;
7583 if (cfg_mode
== 2) {
7584 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
7585 retval
= lpfc_sli_config_port(phba
, LPFC_SLI_REV3
);
7587 /* Now, try to enable MSI-X interrupt mode */
7588 retval
= lpfc_sli_enable_msix(phba
);
7590 /* Indicate initialization to MSI-X mode */
7591 phba
->intr_type
= MSIX
;
7597 /* Fallback to MSI if MSI-X initialization failed */
7598 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
7599 retval
= lpfc_sli_enable_msi(phba
);
7601 /* Indicate initialization to MSI mode */
7602 phba
->intr_type
= MSI
;
7607 /* Fallback to INTx if both MSI-X/MSI initalization failed */
7608 if (phba
->intr_type
== NONE
) {
7609 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli_intr_handler
,
7610 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
7612 /* Indicate initialization to INTx mode */
7613 phba
->intr_type
= INTx
;
7621 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
7622 * @phba: pointer to lpfc hba data structure.
7624 * This routine is invoked to disable device interrupt and disassociate the
7625 * driver's interrupt handler(s) from interrupt vector(s) to device with
7626 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
7627 * release the interrupt vector(s) for the message signaled interrupt.
7630 lpfc_sli_disable_intr(struct lpfc_hba
*phba
)
7632 /* Disable the currently initialized interrupt mode */
7633 if (phba
->intr_type
== MSIX
)
7634 lpfc_sli_disable_msix(phba
);
7635 else if (phba
->intr_type
== MSI
)
7636 lpfc_sli_disable_msi(phba
);
7637 else if (phba
->intr_type
== INTx
)
7638 free_irq(phba
->pcidev
->irq
, phba
);
7640 /* Reset interrupt management states */
7641 phba
->intr_type
= NONE
;
7642 phba
->sli
.slistat
.sli_intr
= 0;
7648 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
7649 * @phba: pointer to lpfc hba data structure.
7651 * This routine is invoked to enable the MSI-X interrupt vectors to device
7652 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
7653 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
7654 * enables either all or nothing, depending on the current availability of
7655 * PCI vector resources. The device driver is responsible for calling the
7656 * individual request_irq() to register each MSI-X vector with a interrupt
7657 * handler, which is done in this function. Note that later when device is
7658 * unloading, the driver should always call free_irq() on all MSI-X vectors
7659 * it has done request_irq() on before calling pci_disable_msix(). Failure
7660 * to do so results in a BUG_ON() and a device will be left with MSI-X
7661 * enabled and leaks its vectors.
7665 * other values - error
7668 lpfc_sli4_enable_msix(struct lpfc_hba
*phba
)
7670 int vectors
, rc
, index
;
7672 /* Set up MSI-X multi-message vectors */
7673 for (index
= 0; index
< phba
->sli4_hba
.cfg_eqn
; index
++)
7674 phba
->sli4_hba
.msix_entries
[index
].entry
= index
;
7676 /* Configure MSI-X capability structure */
7677 vectors
= phba
->sli4_hba
.cfg_eqn
;
7678 enable_msix_vectors
:
7679 rc
= pci_enable_msix(phba
->pcidev
, phba
->sli4_hba
.msix_entries
,
7683 goto enable_msix_vectors
;
7685 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7686 "0484 PCI enable MSI-X failed (%d)\n", rc
);
7690 /* Log MSI-X vector assignment */
7691 for (index
= 0; index
< vectors
; index
++)
7692 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7693 "0489 MSI-X entry[%d]: vector=x%x "
7694 "message=%d\n", index
,
7695 phba
->sli4_hba
.msix_entries
[index
].vector
,
7696 phba
->sli4_hba
.msix_entries
[index
].entry
);
7698 * Assign MSI-X vectors to interrupt handlers
7701 rc
= request_irq(phba
->sli4_hba
.msix_entries
[0].vector
,
7702 &lpfc_sli4_sp_intr_handler
, IRQF_SHARED
,
7703 LPFC_SP_DRIVER_HANDLER_NAME
, phba
);
7705 /* All Interrupts need to be handled by one EQ */
7706 rc
= request_irq(phba
->sli4_hba
.msix_entries
[0].vector
,
7707 &lpfc_sli4_intr_handler
, IRQF_SHARED
,
7708 LPFC_DRIVER_NAME
, phba
);
7710 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7711 "0485 MSI-X slow-path request_irq failed "
7716 /* The rest of the vector(s) are associated to fast-path handler(s) */
7717 for (index
= 1; index
< vectors
; index
++) {
7718 phba
->sli4_hba
.fcp_eq_hdl
[index
- 1].idx
= index
- 1;
7719 phba
->sli4_hba
.fcp_eq_hdl
[index
- 1].phba
= phba
;
7720 rc
= request_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
7721 &lpfc_sli4_fp_intr_handler
, IRQF_SHARED
,
7722 LPFC_FP_DRIVER_HANDLER_NAME
,
7723 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
7725 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7726 "0486 MSI-X fast-path (%d) "
7727 "request_irq failed (%d)\n", index
, rc
);
7731 phba
->sli4_hba
.msix_vec_nr
= vectors
;
7736 /* free the irq already requested */
7737 for (--index
; index
>= 1; index
--)
7738 free_irq(phba
->sli4_hba
.msix_entries
[index
- 1].vector
,
7739 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
7741 /* free the irq already requested */
7742 free_irq(phba
->sli4_hba
.msix_entries
[0].vector
, phba
);
7745 /* Unconfigure MSI-X capability structure */
7746 pci_disable_msix(phba
->pcidev
);
7751 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
7752 * @phba: pointer to lpfc hba data structure.
7754 * This routine is invoked to release the MSI-X vectors and then disable the
7755 * MSI-X interrupt mode to device with SLI-4 interface spec.
7758 lpfc_sli4_disable_msix(struct lpfc_hba
*phba
)
7762 /* Free up MSI-X multi-message vectors */
7763 free_irq(phba
->sli4_hba
.msix_entries
[0].vector
, phba
);
7765 for (index
= 1; index
< phba
->sli4_hba
.msix_vec_nr
; index
++)
7766 free_irq(phba
->sli4_hba
.msix_entries
[index
].vector
,
7767 &phba
->sli4_hba
.fcp_eq_hdl
[index
- 1]);
7770 pci_disable_msix(phba
->pcidev
);
7776 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
7777 * @phba: pointer to lpfc hba data structure.
7779 * This routine is invoked to enable the MSI interrupt mode to device with
7780 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
7781 * to enable the MSI vector. The device driver is responsible for calling
7782 * the request_irq() to register MSI vector with a interrupt the handler,
7783 * which is done in this function.
7787 * other values - error
7790 lpfc_sli4_enable_msi(struct lpfc_hba
*phba
)
7794 rc
= pci_enable_msi(phba
->pcidev
);
7796 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7797 "0487 PCI enable MSI mode success.\n");
7799 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7800 "0488 PCI enable MSI mode failed (%d)\n", rc
);
7804 rc
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
7805 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
7807 pci_disable_msi(phba
->pcidev
);
7808 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
7809 "0490 MSI request_irq failed (%d)\n", rc
);
7813 for (index
= 0; index
< phba
->cfg_fcp_eq_count
; index
++) {
7814 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
7815 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
7822 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
7823 * @phba: pointer to lpfc hba data structure.
7825 * This routine is invoked to disable the MSI interrupt mode to device with
7826 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
7827 * done request_irq() on before calling pci_disable_msi(). Failure to do so
7828 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
7832 lpfc_sli4_disable_msi(struct lpfc_hba
*phba
)
7834 free_irq(phba
->pcidev
->irq
, phba
);
7835 pci_disable_msi(phba
->pcidev
);
7840 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
7841 * @phba: pointer to lpfc hba data structure.
7843 * This routine is invoked to enable device interrupt and associate driver's
7844 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
7845 * interface spec. Depends on the interrupt mode configured to the driver,
7846 * the driver will try to fallback from the configured interrupt mode to an
7847 * interrupt mode which is supported by the platform, kernel, and device in
7849 * MSI-X -> MSI -> IRQ.
7853 * other values - error
7856 lpfc_sli4_enable_intr(struct lpfc_hba
*phba
, uint32_t cfg_mode
)
7858 uint32_t intr_mode
= LPFC_INTR_ERROR
;
7861 if (cfg_mode
== 2) {
7862 /* Preparation before conf_msi mbox cmd */
7865 /* Now, try to enable MSI-X interrupt mode */
7866 retval
= lpfc_sli4_enable_msix(phba
);
7868 /* Indicate initialization to MSI-X mode */
7869 phba
->intr_type
= MSIX
;
7875 /* Fallback to MSI if MSI-X initialization failed */
7876 if (cfg_mode
>= 1 && phba
->intr_type
== NONE
) {
7877 retval
= lpfc_sli4_enable_msi(phba
);
7879 /* Indicate initialization to MSI mode */
7880 phba
->intr_type
= MSI
;
7885 /* Fallback to INTx if both MSI-X/MSI initalization failed */
7886 if (phba
->intr_type
== NONE
) {
7887 retval
= request_irq(phba
->pcidev
->irq
, lpfc_sli4_intr_handler
,
7888 IRQF_SHARED
, LPFC_DRIVER_NAME
, phba
);
7890 /* Indicate initialization to INTx mode */
7891 phba
->intr_type
= INTx
;
7893 for (index
= 0; index
< phba
->cfg_fcp_eq_count
;
7895 phba
->sli4_hba
.fcp_eq_hdl
[index
].idx
= index
;
7896 phba
->sli4_hba
.fcp_eq_hdl
[index
].phba
= phba
;
7904 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
7905 * @phba: pointer to lpfc hba data structure.
7907 * This routine is invoked to disable device interrupt and disassociate
7908 * the driver's interrupt handler(s) from interrupt vector(s) to device
7909 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
7910 * will release the interrupt vector(s) for the message signaled interrupt.
7913 lpfc_sli4_disable_intr(struct lpfc_hba
*phba
)
7915 /* Disable the currently initialized interrupt mode */
7916 if (phba
->intr_type
== MSIX
)
7917 lpfc_sli4_disable_msix(phba
);
7918 else if (phba
->intr_type
== MSI
)
7919 lpfc_sli4_disable_msi(phba
);
7920 else if (phba
->intr_type
== INTx
)
7921 free_irq(phba
->pcidev
->irq
, phba
);
7923 /* Reset interrupt management states */
7924 phba
->intr_type
= NONE
;
7925 phba
->sli
.slistat
.sli_intr
= 0;
7931 * lpfc_unset_hba - Unset SLI3 hba device initialization
7932 * @phba: pointer to lpfc hba data structure.
7934 * This routine is invoked to unset the HBA device initialization steps to
7935 * a device with SLI-3 interface spec.
7938 lpfc_unset_hba(struct lpfc_hba
*phba
)
7940 struct lpfc_vport
*vport
= phba
->pport
;
7941 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
7943 spin_lock_irq(shost
->host_lock
);
7944 vport
->load_flag
|= FC_UNLOADING
;
7945 spin_unlock_irq(shost
->host_lock
);
7947 lpfc_stop_hba_timers(phba
);
7949 phba
->pport
->work_port_events
= 0;
7951 lpfc_sli_hba_down(phba
);
7953 lpfc_sli_brdrestart(phba
);
7955 lpfc_sli_disable_intr(phba
);
7961 * lpfc_sli4_unset_hba - Unset SLI4 hba device initialization.
7962 * @phba: pointer to lpfc hba data structure.
7964 * This routine is invoked to unset the HBA device initialization steps to
7965 * a device with SLI-4 interface spec.
7968 lpfc_sli4_unset_hba(struct lpfc_hba
*phba
)
7970 struct lpfc_vport
*vport
= phba
->pport
;
7971 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
7973 spin_lock_irq(shost
->host_lock
);
7974 vport
->load_flag
|= FC_UNLOADING
;
7975 spin_unlock_irq(shost
->host_lock
);
7977 phba
->pport
->work_port_events
= 0;
7979 /* Stop the SLI4 device port */
7980 lpfc_stop_port(phba
);
7982 lpfc_sli4_disable_intr(phba
);
7984 /* Reset SLI4 HBA FCoE function */
7985 lpfc_pci_function_reset(phba
);
7991 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
7992 * @phba: Pointer to HBA context object.
7994 * This function is called in the SLI4 code path to wait for completion
7995 * of device's XRIs exchange busy. It will check the XRI exchange busy
7996 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
7997 * that, it will check the XRI exchange busy on outstanding FCP and ELS
7998 * I/Os every 30 seconds, log error message, and wait forever. Only when
7999 * all XRI exchange busy complete, the driver unload shall proceed with
8000 * invoking the function reset ioctl mailbox command to the CNA and the
8001 * the rest of the driver unload resource release.
8004 lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba
*phba
)
8007 int fcp_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
8008 int els_xri_cmpl
= list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
8010 while (!fcp_xri_cmpl
|| !els_xri_cmpl
) {
8011 if (wait_time
> LPFC_XRI_EXCH_BUSY_WAIT_TMO
) {
8013 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8014 "2877 FCP XRI exchange busy "
8015 "wait time: %d seconds.\n",
8018 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8019 "2878 ELS XRI exchange busy "
8020 "wait time: %d seconds.\n",
8022 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2
);
8023 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T2
;
8025 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1
);
8026 wait_time
+= LPFC_XRI_EXCH_BUSY_WAIT_T1
;
8029 list_empty(&phba
->sli4_hba
.lpfc_abts_scsi_buf_list
);
8031 list_empty(&phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
8036 * lpfc_sli4_hba_unset - Unset the fcoe hba
8037 * @phba: Pointer to HBA context object.
8039 * This function is called in the SLI4 code path to reset the HBA's FCoE
8040 * function. The caller is not required to hold any lock. This routine
8041 * issues PCI function reset mailbox command to reset the FCoE function.
8042 * At the end of the function, it calls lpfc_hba_down_post function to
8043 * free any pending commands.
8046 lpfc_sli4_hba_unset(struct lpfc_hba
*phba
)
8049 LPFC_MBOXQ_t
*mboxq
;
8050 struct pci_dev
*pdev
= phba
->pcidev
;
8052 lpfc_stop_hba_timers(phba
);
8053 phba
->sli4_hba
.intr_enable
= 0;
8056 * Gracefully wait out the potential current outstanding asynchronous
8060 /* First, block any pending async mailbox command from posted */
8061 spin_lock_irq(&phba
->hbalock
);
8062 phba
->sli
.sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
8063 spin_unlock_irq(&phba
->hbalock
);
8064 /* Now, trying to wait it out if we can */
8065 while (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
8067 if (++wait_cnt
> LPFC_ACTIVE_MBOX_WAIT_CNT
)
8070 /* Forcefully release the outstanding mailbox command if timed out */
8071 if (phba
->sli
.sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
8072 spin_lock_irq(&phba
->hbalock
);
8073 mboxq
= phba
->sli
.mbox_active
;
8074 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
8075 __lpfc_mbox_cmpl_put(phba
, mboxq
);
8076 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
8077 phba
->sli
.mbox_active
= NULL
;
8078 spin_unlock_irq(&phba
->hbalock
);
8081 /* Abort all iocbs associated with the hba */
8082 lpfc_sli_hba_iocb_abort(phba
);
8084 /* Wait for completion of device XRI exchange busy */
8085 lpfc_sli4_xri_exchange_busy_wait(phba
);
8087 /* Disable PCI subsystem interrupt */
8088 lpfc_sli4_disable_intr(phba
);
8090 /* Disable SR-IOV if enabled */
8091 if (phba
->cfg_sriov_nr_virtfn
)
8092 pci_disable_sriov(pdev
);
8094 /* Stop kthread signal shall trigger work_done one more time */
8095 kthread_stop(phba
->worker_thread
);
8097 /* Reset SLI4 HBA FCoE function */
8098 lpfc_pci_function_reset(phba
);
8100 /* Stop the SLI4 device port */
8101 phba
->pport
->work_port_events
= 0;
8105 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
8106 * @phba: Pointer to HBA context object.
8107 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8109 * This function is called in the SLI4 code path to read the port's
8110 * sli4 capabilities.
8112 * This function may be be called from any context that can block-wait
8113 * for the completion. The expectation is that this routine is called
8114 * typically from probe_one or from the online routine.
8117 lpfc_pc_sli4_params_get(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
8120 struct lpfc_mqe
*mqe
;
8121 struct lpfc_pc_sli4_params
*sli4_params
;
8125 mqe
= &mboxq
->u
.mqe
;
8127 /* Read the port's SLI4 Parameters port capabilities */
8128 lpfc_pc_sli4_params(mboxq
);
8129 if (!phba
->sli4_hba
.intr_enable
)
8130 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8132 mbox_tmo
= lpfc_mbox_tmo_val(phba
, MBX_PORT_CAPABILITIES
);
8133 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
8139 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
8140 sli4_params
->if_type
= bf_get(if_type
, &mqe
->un
.sli4_params
);
8141 sli4_params
->sli_rev
= bf_get(sli_rev
, &mqe
->un
.sli4_params
);
8142 sli4_params
->sli_family
= bf_get(sli_family
, &mqe
->un
.sli4_params
);
8143 sli4_params
->featurelevel_1
= bf_get(featurelevel_1
,
8144 &mqe
->un
.sli4_params
);
8145 sli4_params
->featurelevel_2
= bf_get(featurelevel_2
,
8146 &mqe
->un
.sli4_params
);
8147 sli4_params
->proto_types
= mqe
->un
.sli4_params
.word3
;
8148 sli4_params
->sge_supp_len
= mqe
->un
.sli4_params
.sge_supp_len
;
8149 sli4_params
->if_page_sz
= bf_get(if_page_sz
, &mqe
->un
.sli4_params
);
8150 sli4_params
->rq_db_window
= bf_get(rq_db_window
, &mqe
->un
.sli4_params
);
8151 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, &mqe
->un
.sli4_params
);
8152 sli4_params
->eq_pages_max
= bf_get(eq_pages
, &mqe
->un
.sli4_params
);
8153 sli4_params
->eqe_size
= bf_get(eqe_size
, &mqe
->un
.sli4_params
);
8154 sli4_params
->cq_pages_max
= bf_get(cq_pages
, &mqe
->un
.sli4_params
);
8155 sli4_params
->cqe_size
= bf_get(cqe_size
, &mqe
->un
.sli4_params
);
8156 sli4_params
->mq_pages_max
= bf_get(mq_pages
, &mqe
->un
.sli4_params
);
8157 sli4_params
->mqe_size
= bf_get(mqe_size
, &mqe
->un
.sli4_params
);
8158 sli4_params
->mq_elem_cnt
= bf_get(mq_elem_cnt
, &mqe
->un
.sli4_params
);
8159 sli4_params
->wq_pages_max
= bf_get(wq_pages
, &mqe
->un
.sli4_params
);
8160 sli4_params
->wqe_size
= bf_get(wqe_size
, &mqe
->un
.sli4_params
);
8161 sli4_params
->rq_pages_max
= bf_get(rq_pages
, &mqe
->un
.sli4_params
);
8162 sli4_params
->rqe_size
= bf_get(rqe_size
, &mqe
->un
.sli4_params
);
8163 sli4_params
->hdr_pages_max
= bf_get(hdr_pages
, &mqe
->un
.sli4_params
);
8164 sli4_params
->hdr_size
= bf_get(hdr_size
, &mqe
->un
.sli4_params
);
8165 sli4_params
->hdr_pp_align
= bf_get(hdr_pp_align
, &mqe
->un
.sli4_params
);
8166 sli4_params
->sgl_pages_max
= bf_get(sgl_pages
, &mqe
->un
.sli4_params
);
8167 sli4_params
->sgl_pp_align
= bf_get(sgl_pp_align
, &mqe
->un
.sli4_params
);
8169 /* Make sure that sge_supp_len can be handled by the driver */
8170 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
8171 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
8177 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
8178 * @phba: Pointer to HBA context object.
8179 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8181 * This function is called in the SLI4 code path to read the port's
8182 * sli4 capabilities.
8184 * This function may be be called from any context that can block-wait
8185 * for the completion. The expectation is that this routine is called
8186 * typically from probe_one or from the online routine.
8189 lpfc_get_sli4_parameters(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
8192 struct lpfc_mqe
*mqe
= &mboxq
->u
.mqe
;
8193 struct lpfc_pc_sli4_params
*sli4_params
;
8195 struct lpfc_sli4_parameters
*mbx_sli4_parameters
;
8198 * By default, the driver assumes the SLI4 port requires RPI
8199 * header postings. The SLI4_PARAM response will correct this
8202 phba
->sli4_hba
.rpi_hdrs_in_use
= 1;
8204 /* Read the port's SLI4 Config Parameters */
8205 length
= (sizeof(struct lpfc_mbx_get_sli4_parameters
) -
8206 sizeof(struct lpfc_sli4_cfg_mhdr
));
8207 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
8208 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS
,
8209 length
, LPFC_SLI4_MBX_EMBED
);
8210 if (!phba
->sli4_hba
.intr_enable
)
8211 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
8213 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
,
8214 lpfc_mbox_tmo_val(phba
, MBX_SLI4_CONFIG
));
8217 sli4_params
= &phba
->sli4_hba
.pc_sli4_params
;
8218 mbx_sli4_parameters
= &mqe
->un
.get_sli4_parameters
.sli4_parameters
;
8219 sli4_params
->if_type
= bf_get(cfg_if_type
, mbx_sli4_parameters
);
8220 sli4_params
->sli_rev
= bf_get(cfg_sli_rev
, mbx_sli4_parameters
);
8221 sli4_params
->sli_family
= bf_get(cfg_sli_family
, mbx_sli4_parameters
);
8222 sli4_params
->featurelevel_1
= bf_get(cfg_sli_hint_1
,
8223 mbx_sli4_parameters
);
8224 sli4_params
->featurelevel_2
= bf_get(cfg_sli_hint_2
,
8225 mbx_sli4_parameters
);
8226 if (bf_get(cfg_phwq
, mbx_sli4_parameters
))
8227 phba
->sli3_options
|= LPFC_SLI4_PHWQ_ENABLED
;
8229 phba
->sli3_options
&= ~LPFC_SLI4_PHWQ_ENABLED
;
8230 sli4_params
->sge_supp_len
= mbx_sli4_parameters
->sge_supp_len
;
8231 sli4_params
->loopbk_scope
= bf_get(loopbk_scope
, mbx_sli4_parameters
);
8232 sli4_params
->cqv
= bf_get(cfg_cqv
, mbx_sli4_parameters
);
8233 sli4_params
->mqv
= bf_get(cfg_mqv
, mbx_sli4_parameters
);
8234 sli4_params
->wqv
= bf_get(cfg_wqv
, mbx_sli4_parameters
);
8235 sli4_params
->rqv
= bf_get(cfg_rqv
, mbx_sli4_parameters
);
8236 sli4_params
->sgl_pages_max
= bf_get(cfg_sgl_page_cnt
,
8237 mbx_sli4_parameters
);
8238 sli4_params
->sgl_pp_align
= bf_get(cfg_sgl_pp_align
,
8239 mbx_sli4_parameters
);
8240 phba
->sli4_hba
.extents_in_use
= bf_get(cfg_ext
, mbx_sli4_parameters
);
8241 phba
->sli4_hba
.rpi_hdrs_in_use
= bf_get(cfg_hdrr
, mbx_sli4_parameters
);
8243 /* Make sure that sge_supp_len can be handled by the driver */
8244 if (sli4_params
->sge_supp_len
> LPFC_MAX_SGE_SIZE
)
8245 sli4_params
->sge_supp_len
= LPFC_MAX_SGE_SIZE
;
8251 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
8252 * @pdev: pointer to PCI device
8253 * @pid: pointer to PCI device identifier
8255 * This routine is to be called to attach a device with SLI-3 interface spec
8256 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8257 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
8258 * information of the device and driver to see if the driver state that it can
8259 * support this kind of device. If the match is successful, the driver core
8260 * invokes this routine. If this routine determines it can claim the HBA, it
8261 * does all the initialization that it needs to do to handle the HBA properly.
8264 * 0 - driver can claim the device
8265 * negative value - driver can not claim the device
8267 static int __devinit
8268 lpfc_pci_probe_one_s3(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
8270 struct lpfc_hba
*phba
;
8271 struct lpfc_vport
*vport
= NULL
;
8272 struct Scsi_Host
*shost
= NULL
;
8274 uint32_t cfg_mode
, intr_mode
;
8276 /* Allocate memory for HBA structure */
8277 phba
= lpfc_hba_alloc(pdev
);
8281 /* Perform generic PCI device enabling operation */
8282 error
= lpfc_enable_pci_dev(phba
);
8286 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
8287 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_LP
);
8289 goto out_disable_pci_dev
;
8291 /* Set up SLI-3 specific device PCI memory space */
8292 error
= lpfc_sli_pci_mem_setup(phba
);
8294 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8295 "1402 Failed to set up pci memory space.\n");
8296 goto out_disable_pci_dev
;
8299 /* Set up phase-1 common device driver resources */
8300 error
= lpfc_setup_driver_resource_phase1(phba
);
8302 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8303 "1403 Failed to set up driver resource.\n");
8304 goto out_unset_pci_mem_s3
;
8307 /* Set up SLI-3 specific device driver resources */
8308 error
= lpfc_sli_driver_resource_setup(phba
);
8310 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8311 "1404 Failed to set up driver resource.\n");
8312 goto out_unset_pci_mem_s3
;
8315 /* Initialize and populate the iocb list per host */
8316 error
= lpfc_init_iocb_list(phba
, LPFC_IOCB_LIST_CNT
);
8318 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8319 "1405 Failed to initialize iocb list.\n");
8320 goto out_unset_driver_resource_s3
;
8323 /* Set up common device driver resources */
8324 error
= lpfc_setup_driver_resource_phase2(phba
);
8326 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8327 "1406 Failed to set up driver resource.\n");
8328 goto out_free_iocb_list
;
8331 /* Get the default values for Model Name and Description */
8332 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
8334 /* Create SCSI host to the physical port */
8335 error
= lpfc_create_shost(phba
);
8337 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8338 "1407 Failed to create scsi host.\n");
8339 goto out_unset_driver_resource
;
8342 /* Configure sysfs attributes */
8343 vport
= phba
->pport
;
8344 error
= lpfc_alloc_sysfs_attr(vport
);
8346 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8347 "1476 Failed to allocate sysfs attr\n");
8348 goto out_destroy_shost
;
8351 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
8352 /* Now, trying to enable interrupt and bring up the device */
8353 cfg_mode
= phba
->cfg_use_msi
;
8355 /* Put device to a known state before enabling interrupt */
8356 lpfc_stop_port(phba
);
8357 /* Configure and enable interrupt */
8358 intr_mode
= lpfc_sli_enable_intr(phba
, cfg_mode
);
8359 if (intr_mode
== LPFC_INTR_ERROR
) {
8360 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8361 "0431 Failed to enable interrupt.\n");
8363 goto out_free_sysfs_attr
;
8365 /* SLI-3 HBA setup */
8366 if (lpfc_sli_hba_setup(phba
)) {
8367 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8368 "1477 Failed to set up hba\n");
8370 goto out_remove_device
;
8373 /* Wait 50ms for the interrupts of previous mailbox commands */
8375 /* Check active interrupts on message signaled interrupts */
8376 if (intr_mode
== 0 ||
8377 phba
->sli
.slistat
.sli_intr
> LPFC_MSIX_VECTORS
) {
8378 /* Log the current active interrupt mode */
8379 phba
->intr_mode
= intr_mode
;
8380 lpfc_log_intr_mode(phba
, intr_mode
);
8383 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8384 "0447 Configure interrupt mode (%d) "
8385 "failed active interrupt test.\n",
8387 /* Disable the current interrupt mode */
8388 lpfc_sli_disable_intr(phba
);
8389 /* Try next level of interrupt mode */
8390 cfg_mode
= --intr_mode
;
8394 /* Perform post initialization setup */
8395 lpfc_post_init_setup(phba
);
8397 /* Check if there are static vports to be created. */
8398 lpfc_create_static_vport(phba
);
8403 lpfc_unset_hba(phba
);
8404 out_free_sysfs_attr
:
8405 lpfc_free_sysfs_attr(vport
);
8407 lpfc_destroy_shost(phba
);
8408 out_unset_driver_resource
:
8409 lpfc_unset_driver_resource_phase2(phba
);
8411 lpfc_free_iocb_list(phba
);
8412 out_unset_driver_resource_s3
:
8413 lpfc_sli_driver_resource_unset(phba
);
8414 out_unset_pci_mem_s3
:
8415 lpfc_sli_pci_mem_unset(phba
);
8416 out_disable_pci_dev
:
8417 lpfc_disable_pci_dev(phba
);
8419 scsi_host_put(shost
);
8421 lpfc_hba_free(phba
);
8426 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
8427 * @pdev: pointer to PCI device
8429 * This routine is to be called to disattach a device with SLI-3 interface
8430 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8431 * removed from PCI bus, it performs all the necessary cleanup for the HBA
8432 * device to be removed from the PCI subsystem properly.
8434 static void __devexit
8435 lpfc_pci_remove_one_s3(struct pci_dev
*pdev
)
8437 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8438 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
8439 struct lpfc_vport
**vports
;
8440 struct lpfc_hba
*phba
= vport
->phba
;
8442 int bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
8444 spin_lock_irq(&phba
->hbalock
);
8445 vport
->load_flag
|= FC_UNLOADING
;
8446 spin_unlock_irq(&phba
->hbalock
);
8448 lpfc_free_sysfs_attr(vport
);
8450 /* Release all the vports against this physical port */
8451 vports
= lpfc_create_vport_work_array(phba
);
8453 for (i
= 1; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
8454 fc_vport_terminate(vports
[i
]->fc_vport
);
8455 lpfc_destroy_vport_work_array(phba
, vports
);
8457 /* Remove FC host and then SCSI host with the physical port */
8458 fc_remove_host(shost
);
8459 scsi_remove_host(shost
);
8460 lpfc_cleanup(vport
);
8463 * Bring down the SLI Layer. This step disable all interrupts,
8464 * clears the rings, discards all mailbox commands, and resets
8468 /* HBA interrupt will be disabled after this call */
8469 lpfc_sli_hba_down(phba
);
8470 /* Stop kthread signal shall trigger work_done one more time */
8471 kthread_stop(phba
->worker_thread
);
8472 /* Final cleanup of txcmplq and reset the HBA */
8473 lpfc_sli_brdrestart(phba
);
8475 lpfc_stop_hba_timers(phba
);
8476 spin_lock_irq(&phba
->hbalock
);
8477 list_del_init(&vport
->listentry
);
8478 spin_unlock_irq(&phba
->hbalock
);
8480 lpfc_debugfs_terminate(vport
);
8482 /* Disable SR-IOV if enabled */
8483 if (phba
->cfg_sriov_nr_virtfn
)
8484 pci_disable_sriov(pdev
);
8486 /* Disable interrupt */
8487 lpfc_sli_disable_intr(phba
);
8489 pci_set_drvdata(pdev
, NULL
);
8490 scsi_host_put(shost
);
8493 * Call scsi_free before mem_free since scsi bufs are released to their
8494 * corresponding pools here.
8496 lpfc_scsi_free(phba
);
8497 lpfc_mem_free_all(phba
);
8499 dma_free_coherent(&pdev
->dev
, lpfc_sli_hbq_size(),
8500 phba
->hbqslimp
.virt
, phba
->hbqslimp
.phys
);
8502 /* Free resources associated with SLI2 interface */
8503 dma_free_coherent(&pdev
->dev
, SLI2_SLIM_SIZE
,
8504 phba
->slim2p
.virt
, phba
->slim2p
.phys
);
8506 /* unmap adapter SLIM and Control Registers */
8507 iounmap(phba
->ctrl_regs_memmap_p
);
8508 iounmap(phba
->slim_memmap_p
);
8510 lpfc_hba_free(phba
);
8512 pci_release_selected_regions(pdev
, bars
);
8513 pci_disable_device(pdev
);
8517 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
8518 * @pdev: pointer to PCI device
8519 * @msg: power management message
8521 * This routine is to be called from the kernel's PCI subsystem to support
8522 * system Power Management (PM) to device with SLI-3 interface spec. When
8523 * PM invokes this method, it quiesces the device by stopping the driver's
8524 * worker thread for the device, turning off device's interrupt and DMA,
8525 * and bring the device offline. Note that as the driver implements the
8526 * minimum PM requirements to a power-aware driver's PM support for the
8527 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
8528 * to the suspend() method call will be treated as SUSPEND and the driver will
8529 * fully reinitialize its device during resume() method call, the driver will
8530 * set device to PCI_D3hot state in PCI config space instead of setting it
8531 * according to the @msg provided by the PM.
8534 * 0 - driver suspended the device
8538 lpfc_pci_suspend_one_s3(struct pci_dev
*pdev
, pm_message_t msg
)
8540 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8541 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8543 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8544 "0473 PCI device Power Management suspend.\n");
8546 /* Bring down the device */
8547 lpfc_offline_prep(phba
);
8549 kthread_stop(phba
->worker_thread
);
8551 /* Disable interrupt from device */
8552 lpfc_sli_disable_intr(phba
);
8554 /* Save device state to PCI config space */
8555 pci_save_state(pdev
);
8556 pci_set_power_state(pdev
, PCI_D3hot
);
8562 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
8563 * @pdev: pointer to PCI device
8565 * This routine is to be called from the kernel's PCI subsystem to support
8566 * system Power Management (PM) to device with SLI-3 interface spec. When PM
8567 * invokes this method, it restores the device's PCI config space state and
8568 * fully reinitializes the device and brings it online. Note that as the
8569 * driver implements the minimum PM requirements to a power-aware driver's
8570 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
8571 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
8572 * driver will fully reinitialize its device during resume() method call,
8573 * the device will be set to PCI_D0 directly in PCI config space before
8574 * restoring the state.
8577 * 0 - driver suspended the device
8581 lpfc_pci_resume_one_s3(struct pci_dev
*pdev
)
8583 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8584 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8588 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
8589 "0452 PCI device Power Management resume.\n");
8591 /* Restore device state from PCI config space */
8592 pci_set_power_state(pdev
, PCI_D0
);
8593 pci_restore_state(pdev
);
8596 * As the new kernel behavior of pci_restore_state() API call clears
8597 * device saved_state flag, need to save the restored state again.
8599 pci_save_state(pdev
);
8601 if (pdev
->is_busmaster
)
8602 pci_set_master(pdev
);
8604 /* Startup the kernel thread for this host adapter. */
8605 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
8606 "lpfc_worker_%d", phba
->brd_no
);
8607 if (IS_ERR(phba
->worker_thread
)) {
8608 error
= PTR_ERR(phba
->worker_thread
);
8609 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8610 "0434 PM resume failed to start worker "
8611 "thread: error=x%x.\n", error
);
8615 /* Configure and enable interrupt */
8616 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
8617 if (intr_mode
== LPFC_INTR_ERROR
) {
8618 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8619 "0430 PM resume Failed to enable interrupt\n");
8622 phba
->intr_mode
= intr_mode
;
8624 /* Restart HBA and bring it online */
8625 lpfc_sli_brdrestart(phba
);
8628 /* Log the current active interrupt mode */
8629 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
8635 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
8636 * @phba: pointer to lpfc hba data structure.
8638 * This routine is called to prepare the SLI3 device for PCI slot recover. It
8639 * aborts all the outstanding SCSI I/Os to the pci device.
8642 lpfc_sli_prep_dev_for_recover(struct lpfc_hba
*phba
)
8644 struct lpfc_sli
*psli
= &phba
->sli
;
8645 struct lpfc_sli_ring
*pring
;
8647 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8648 "2723 PCI channel I/O abort preparing for recovery\n");
8651 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
8652 * and let the SCSI mid-layer to retry them to recover.
8654 pring
= &psli
->ring
[psli
->fcp_ring
];
8655 lpfc_sli_abort_iocb_ring(phba
, pring
);
8659 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
8660 * @phba: pointer to lpfc hba data structure.
8662 * This routine is called to prepare the SLI3 device for PCI slot reset. It
8663 * disables the device interrupt and pci device, and aborts the internal FCP
8667 lpfc_sli_prep_dev_for_reset(struct lpfc_hba
*phba
)
8669 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8670 "2710 PCI channel disable preparing for reset\n");
8672 /* Block any management I/Os to the device */
8673 lpfc_block_mgmt_io(phba
);
8675 /* Block all SCSI devices' I/Os on the host */
8676 lpfc_scsi_dev_block(phba
);
8678 /* stop all timers */
8679 lpfc_stop_hba_timers(phba
);
8681 /* Disable interrupt and pci device */
8682 lpfc_sli_disable_intr(phba
);
8683 pci_disable_device(phba
->pcidev
);
8685 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
8686 lpfc_sli_flush_fcp_rings(phba
);
8690 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
8691 * @phba: pointer to lpfc hba data structure.
8693 * This routine is called to prepare the SLI3 device for PCI slot permanently
8694 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
8698 lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
8700 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8701 "2711 PCI channel permanent disable for failure\n");
8702 /* Block all SCSI devices' I/Os on the host */
8703 lpfc_scsi_dev_block(phba
);
8705 /* stop all timers */
8706 lpfc_stop_hba_timers(phba
);
8708 /* Clean up all driver's outstanding SCSI I/Os */
8709 lpfc_sli_flush_fcp_rings(phba
);
8713 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
8714 * @pdev: pointer to PCI device.
8715 * @state: the current PCI connection state.
8717 * This routine is called from the PCI subsystem for I/O error handling to
8718 * device with SLI-3 interface spec. This function is called by the PCI
8719 * subsystem after a PCI bus error affecting this device has been detected.
8720 * When this function is invoked, it will need to stop all the I/Os and
8721 * interrupt(s) to the device. Once that is done, it will return
8722 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
8726 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
8727 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
8728 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
8730 static pci_ers_result_t
8731 lpfc_io_error_detected_s3(struct pci_dev
*pdev
, pci_channel_state_t state
)
8733 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8734 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8737 case pci_channel_io_normal
:
8738 /* Non-fatal error, prepare for recovery */
8739 lpfc_sli_prep_dev_for_recover(phba
);
8740 return PCI_ERS_RESULT_CAN_RECOVER
;
8741 case pci_channel_io_frozen
:
8742 /* Fatal error, prepare for slot reset */
8743 lpfc_sli_prep_dev_for_reset(phba
);
8744 return PCI_ERS_RESULT_NEED_RESET
;
8745 case pci_channel_io_perm_failure
:
8746 /* Permanent failure, prepare for device down */
8747 lpfc_sli_prep_dev_for_perm_failure(phba
);
8748 return PCI_ERS_RESULT_DISCONNECT
;
8750 /* Unknown state, prepare and request slot reset */
8751 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8752 "0472 Unknown PCI error state: x%x\n", state
);
8753 lpfc_sli_prep_dev_for_reset(phba
);
8754 return PCI_ERS_RESULT_NEED_RESET
;
8759 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
8760 * @pdev: pointer to PCI device.
8762 * This routine is called from the PCI subsystem for error handling to
8763 * device with SLI-3 interface spec. This is called after PCI bus has been
8764 * reset to restart the PCI card from scratch, as if from a cold-boot.
8765 * During the PCI subsystem error recovery, after driver returns
8766 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
8767 * recovery and then call this routine before calling the .resume method
8768 * to recover the device. This function will initialize the HBA device,
8769 * enable the interrupt, but it will just put the HBA to offline state
8770 * without passing any I/O traffic.
8773 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
8774 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
8776 static pci_ers_result_t
8777 lpfc_io_slot_reset_s3(struct pci_dev
*pdev
)
8779 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8780 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8781 struct lpfc_sli
*psli
= &phba
->sli
;
8784 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
8785 if (pci_enable_device_mem(pdev
)) {
8786 printk(KERN_ERR
"lpfc: Cannot re-enable "
8787 "PCI device after reset.\n");
8788 return PCI_ERS_RESULT_DISCONNECT
;
8791 pci_restore_state(pdev
);
8794 * As the new kernel behavior of pci_restore_state() API call clears
8795 * device saved_state flag, need to save the restored state again.
8797 pci_save_state(pdev
);
8799 if (pdev
->is_busmaster
)
8800 pci_set_master(pdev
);
8802 spin_lock_irq(&phba
->hbalock
);
8803 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
8804 spin_unlock_irq(&phba
->hbalock
);
8806 /* Configure and enable interrupt */
8807 intr_mode
= lpfc_sli_enable_intr(phba
, phba
->intr_mode
);
8808 if (intr_mode
== LPFC_INTR_ERROR
) {
8809 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8810 "0427 Cannot re-enable interrupt after "
8812 return PCI_ERS_RESULT_DISCONNECT
;
8814 phba
->intr_mode
= intr_mode
;
8816 /* Take device offline, it will perform cleanup */
8817 lpfc_offline_prep(phba
);
8819 lpfc_sli_brdrestart(phba
);
8821 /* Log the current active interrupt mode */
8822 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
8824 return PCI_ERS_RESULT_RECOVERED
;
8828 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
8829 * @pdev: pointer to PCI device
8831 * This routine is called from the PCI subsystem for error handling to device
8832 * with SLI-3 interface spec. It is called when kernel error recovery tells
8833 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
8834 * error recovery. After this call, traffic can start to flow from this device
8838 lpfc_io_resume_s3(struct pci_dev
*pdev
)
8840 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8841 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
8843 /* Bring device online, it will be no-op for non-fatal error resume */
8846 /* Clean up Advanced Error Reporting (AER) if needed */
8847 if (phba
->hba_flag
& HBA_AER_ENABLED
)
8848 pci_cleanup_aer_uncorrect_error_status(pdev
);
8852 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
8853 * @phba: pointer to lpfc hba data structure.
8855 * returns the number of ELS/CT IOCBs to reserve
8858 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*phba
)
8860 int max_xri
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
8862 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
8865 else if (max_xri
<= 256)
8867 else if (max_xri
<= 512)
8869 else if (max_xri
<= 1024)
8878 * lpfc_write_firmware - attempt to write a firmware image to the port
8879 * @phba: pointer to lpfc hba data structure.
8880 * @fw: pointer to firmware image returned from request_firmware.
8882 * returns the number of bytes written if write is successful.
8883 * returns a negative error value if there were errors.
8884 * returns 0 if firmware matches currently active firmware on port.
8887 lpfc_write_firmware(struct lpfc_hba
*phba
, const struct firmware
*fw
)
8890 struct lpfc_grp_hdr
*image
= (struct lpfc_grp_hdr
*)fw
->data
;
8891 struct list_head dma_buffer_list
;
8893 struct lpfc_dmabuf
*dmabuf
, *next
;
8894 uint32_t offset
= 0, temp_offset
= 0;
8896 INIT_LIST_HEAD(&dma_buffer_list
);
8897 if ((be32_to_cpu(image
->magic_number
) != LPFC_GROUP_OJECT_MAGIC_NUM
) ||
8898 (bf_get_be32(lpfc_grp_hdr_file_type
, image
) !=
8899 LPFC_FILE_TYPE_GROUP
) ||
8900 (bf_get_be32(lpfc_grp_hdr_id
, image
) != LPFC_FILE_ID_GROUP
) ||
8901 (be32_to_cpu(image
->size
) != fw
->size
)) {
8902 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8903 "3022 Invalid FW image found. "
8904 "Magic:%x Type:%x ID:%x\n",
8905 be32_to_cpu(image
->magic_number
),
8906 bf_get_be32(lpfc_grp_hdr_file_type
, image
),
8907 bf_get_be32(lpfc_grp_hdr_id
, image
));
8910 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
8911 if (strncmp(fwrev
, image
->revision
, strnlen(image
->revision
, 16))) {
8912 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8913 "3023 Updating Firmware. Current Version:%s "
8915 fwrev
, image
->revision
);
8916 for (i
= 0; i
< LPFC_MBX_WR_CONFIG_MAX_BDE
; i
++) {
8917 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
),
8923 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
8927 if (!dmabuf
->virt
) {
8932 list_add_tail(&dmabuf
->list
, &dma_buffer_list
);
8934 while (offset
< fw
->size
) {
8935 temp_offset
= offset
;
8936 list_for_each_entry(dmabuf
, &dma_buffer_list
, list
) {
8937 if (temp_offset
+ SLI4_PAGE_SIZE
> fw
->size
) {
8938 memcpy(dmabuf
->virt
,
8939 fw
->data
+ temp_offset
,
8940 fw
->size
- temp_offset
);
8941 temp_offset
= fw
->size
;
8944 memcpy(dmabuf
->virt
, fw
->data
+ temp_offset
,
8946 temp_offset
+= SLI4_PAGE_SIZE
;
8948 rc
= lpfc_wr_object(phba
, &dma_buffer_list
,
8949 (fw
->size
- offset
), &offset
);
8951 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8952 "3024 Firmware update failed. "
8960 list_for_each_entry_safe(dmabuf
, next
, &dma_buffer_list
, list
) {
8961 list_del(&dmabuf
->list
);
8962 dma_free_coherent(&phba
->pcidev
->dev
, SLI4_PAGE_SIZE
,
8963 dmabuf
->virt
, dmabuf
->phys
);
8970 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
8971 * @pdev: pointer to PCI device
8972 * @pid: pointer to PCI device identifier
8974 * This routine is called from the kernel's PCI subsystem to device with
8975 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
8976 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
8977 * information of the device and driver to see if the driver state that it
8978 * can support this kind of device. If the match is successful, the driver
8979 * core invokes this routine. If this routine determines it can claim the HBA,
8980 * it does all the initialization that it needs to do to handle the HBA
8984 * 0 - driver can claim the device
8985 * negative value - driver can not claim the device
8987 static int __devinit
8988 lpfc_pci_probe_one_s4(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
8990 struct lpfc_hba
*phba
;
8991 struct lpfc_vport
*vport
= NULL
;
8992 struct Scsi_Host
*shost
= NULL
;
8994 uint32_t cfg_mode
, intr_mode
;
8996 int adjusted_fcp_eq_count
;
8998 const struct firmware
*fw
;
8999 uint8_t file_name
[16];
9001 /* Allocate memory for HBA structure */
9002 phba
= lpfc_hba_alloc(pdev
);
9006 /* Perform generic PCI device enabling operation */
9007 error
= lpfc_enable_pci_dev(phba
);
9011 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
9012 error
= lpfc_api_table_setup(phba
, LPFC_PCI_DEV_OC
);
9014 goto out_disable_pci_dev
;
9016 /* Set up SLI-4 specific device PCI memory space */
9017 error
= lpfc_sli4_pci_mem_setup(phba
);
9019 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9020 "1410 Failed to set up pci memory space.\n");
9021 goto out_disable_pci_dev
;
9024 /* Set up phase-1 common device driver resources */
9025 error
= lpfc_setup_driver_resource_phase1(phba
);
9027 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9028 "1411 Failed to set up driver resource.\n");
9029 goto out_unset_pci_mem_s4
;
9032 /* Set up SLI-4 Specific device driver resources */
9033 error
= lpfc_sli4_driver_resource_setup(phba
);
9035 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9036 "1412 Failed to set up driver resource.\n");
9037 goto out_unset_pci_mem_s4
;
9040 /* Initialize and populate the iocb list per host */
9042 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9043 "2821 initialize iocb list %d.\n",
9044 phba
->cfg_iocb_cnt
*1024);
9045 error
= lpfc_init_iocb_list(phba
, phba
->cfg_iocb_cnt
*1024);
9048 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9049 "1413 Failed to initialize iocb list.\n");
9050 goto out_unset_driver_resource_s4
;
9053 INIT_LIST_HEAD(&phba
->active_rrq_list
);
9054 INIT_LIST_HEAD(&phba
->fcf
.fcf_pri_list
);
9056 /* Set up common device driver resources */
9057 error
= lpfc_setup_driver_resource_phase2(phba
);
9059 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9060 "1414 Failed to set up driver resource.\n");
9061 goto out_free_iocb_list
;
9064 /* Get the default values for Model Name and Description */
9065 lpfc_get_hba_model_desc(phba
, phba
->ModelName
, phba
->ModelDesc
);
9067 /* Create SCSI host to the physical port */
9068 error
= lpfc_create_shost(phba
);
9070 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9071 "1415 Failed to create scsi host.\n");
9072 goto out_unset_driver_resource
;
9075 /* Configure sysfs attributes */
9076 vport
= phba
->pport
;
9077 error
= lpfc_alloc_sysfs_attr(vport
);
9079 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9080 "1416 Failed to allocate sysfs attr\n");
9081 goto out_destroy_shost
;
9084 shost
= lpfc_shost_from_vport(vport
); /* save shost for error cleanup */
9085 /* Now, trying to enable interrupt and bring up the device */
9086 cfg_mode
= phba
->cfg_use_msi
;
9088 /* Put device to a known state before enabling interrupt */
9089 lpfc_stop_port(phba
);
9090 /* Configure and enable interrupt */
9091 intr_mode
= lpfc_sli4_enable_intr(phba
, cfg_mode
);
9092 if (intr_mode
== LPFC_INTR_ERROR
) {
9093 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9094 "0426 Failed to enable interrupt.\n");
9096 goto out_free_sysfs_attr
;
9098 /* Default to single EQ for non-MSI-X */
9099 if (phba
->intr_type
!= MSIX
)
9100 adjusted_fcp_eq_count
= 0;
9101 else if (phba
->sli4_hba
.msix_vec_nr
<
9102 phba
->cfg_fcp_eq_count
+ 1)
9103 adjusted_fcp_eq_count
= phba
->sli4_hba
.msix_vec_nr
- 1;
9105 adjusted_fcp_eq_count
= phba
->cfg_fcp_eq_count
;
9106 /* Free unused EQs */
9107 for (fcp_qidx
= adjusted_fcp_eq_count
;
9108 fcp_qidx
< phba
->cfg_fcp_eq_count
;
9110 lpfc_sli4_queue_free(phba
->sli4_hba
.fp_eq
[fcp_qidx
]);
9111 /* do not delete the first fcp_cq */
9113 lpfc_sli4_queue_free(
9114 phba
->sli4_hba
.fcp_cq
[fcp_qidx
]);
9116 phba
->cfg_fcp_eq_count
= adjusted_fcp_eq_count
;
9117 /* Set up SLI-4 HBA */
9118 if (lpfc_sli4_hba_setup(phba
)) {
9119 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9120 "1421 Failed to set up hba\n");
9122 goto out_disable_intr
;
9125 /* Send NOP mbx cmds for non-INTx mode active interrupt test */
9127 mcnt
= lpfc_sli4_send_nop_mbox_cmds(phba
,
9130 /* Check active interrupts received only for MSI/MSI-X */
9131 if (intr_mode
== 0 ||
9132 phba
->sli
.slistat
.sli_intr
>= LPFC_ACT_INTR_CNT
) {
9133 /* Log the current active interrupt mode */
9134 phba
->intr_mode
= intr_mode
;
9135 lpfc_log_intr_mode(phba
, intr_mode
);
9138 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9139 "0451 Configure interrupt mode (%d) "
9140 "failed active interrupt test.\n",
9142 /* Unset the previous SLI-4 HBA setup. */
9144 * TODO: Is this operation compatible with IF TYPE 2
9145 * devices? All port state is deleted and cleared.
9147 lpfc_sli4_unset_hba(phba
);
9148 /* Try next level of interrupt mode */
9149 cfg_mode
= --intr_mode
;
9152 /* Perform post initialization setup */
9153 lpfc_post_init_setup(phba
);
9155 /* check for firmware upgrade or downgrade */
9156 snprintf(file_name
, 16, "%s.grp", phba
->ModelName
);
9157 error
= request_firmware(&fw
, file_name
, &phba
->pcidev
->dev
);
9159 lpfc_write_firmware(phba
, fw
);
9160 release_firmware(fw
);
9163 /* Check if there are static vports to be created. */
9164 lpfc_create_static_vport(phba
);
9168 lpfc_sli4_disable_intr(phba
);
9169 out_free_sysfs_attr
:
9170 lpfc_free_sysfs_attr(vport
);
9172 lpfc_destroy_shost(phba
);
9173 out_unset_driver_resource
:
9174 lpfc_unset_driver_resource_phase2(phba
);
9176 lpfc_free_iocb_list(phba
);
9177 out_unset_driver_resource_s4
:
9178 lpfc_sli4_driver_resource_unset(phba
);
9179 out_unset_pci_mem_s4
:
9180 lpfc_sli4_pci_mem_unset(phba
);
9181 out_disable_pci_dev
:
9182 lpfc_disable_pci_dev(phba
);
9184 scsi_host_put(shost
);
9186 lpfc_hba_free(phba
);
9191 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
9192 * @pdev: pointer to PCI device
9194 * This routine is called from the kernel's PCI subsystem to device with
9195 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
9196 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9197 * device to be removed from the PCI subsystem properly.
9199 static void __devexit
9200 lpfc_pci_remove_one_s4(struct pci_dev
*pdev
)
9202 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9203 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
9204 struct lpfc_vport
**vports
;
9205 struct lpfc_hba
*phba
= vport
->phba
;
9208 /* Mark the device unloading flag */
9209 spin_lock_irq(&phba
->hbalock
);
9210 vport
->load_flag
|= FC_UNLOADING
;
9211 spin_unlock_irq(&phba
->hbalock
);
9213 /* Free the HBA sysfs attributes */
9214 lpfc_free_sysfs_attr(vport
);
9216 /* Release all the vports against this physical port */
9217 vports
= lpfc_create_vport_work_array(phba
);
9219 for (i
= 1; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++)
9220 fc_vport_terminate(vports
[i
]->fc_vport
);
9221 lpfc_destroy_vport_work_array(phba
, vports
);
9223 /* Remove FC host and then SCSI host with the physical port */
9224 fc_remove_host(shost
);
9225 scsi_remove_host(shost
);
9227 /* Perform cleanup on the physical port */
9228 lpfc_cleanup(vport
);
9231 * Bring down the SLI Layer. This step disables all interrupts,
9232 * clears the rings, discards all mailbox commands, and resets
9233 * the HBA FCoE function.
9235 lpfc_debugfs_terminate(vport
);
9236 lpfc_sli4_hba_unset(phba
);
9238 spin_lock_irq(&phba
->hbalock
);
9239 list_del_init(&vport
->listentry
);
9240 spin_unlock_irq(&phba
->hbalock
);
9242 /* Perform scsi free before driver resource_unset since scsi
9243 * buffers are released to their corresponding pools here.
9245 lpfc_scsi_free(phba
);
9246 lpfc_sli4_driver_resource_unset(phba
);
9248 /* Unmap adapter Control and Doorbell registers */
9249 lpfc_sli4_pci_mem_unset(phba
);
9251 /* Release PCI resources and disable device's PCI function */
9252 scsi_host_put(shost
);
9253 lpfc_disable_pci_dev(phba
);
9255 /* Finally, free the driver's device data structure */
9256 lpfc_hba_free(phba
);
9262 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
9263 * @pdev: pointer to PCI device
9264 * @msg: power management message
9266 * This routine is called from the kernel's PCI subsystem to support system
9267 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
9268 * this method, it quiesces the device by stopping the driver's worker
9269 * thread for the device, turning off device's interrupt and DMA, and bring
9270 * the device offline. Note that as the driver implements the minimum PM
9271 * requirements to a power-aware driver's PM support for suspend/resume -- all
9272 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
9273 * method call will be treated as SUSPEND and the driver will fully
9274 * reinitialize its device during resume() method call, the driver will set
9275 * device to PCI_D3hot state in PCI config space instead of setting it
9276 * according to the @msg provided by the PM.
9279 * 0 - driver suspended the device
9283 lpfc_pci_suspend_one_s4(struct pci_dev
*pdev
, pm_message_t msg
)
9285 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9286 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9288 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9289 "2843 PCI device Power Management suspend.\n");
9291 /* Bring down the device */
9292 lpfc_offline_prep(phba
);
9294 kthread_stop(phba
->worker_thread
);
9296 /* Disable interrupt from device */
9297 lpfc_sli4_disable_intr(phba
);
9299 /* Save device state to PCI config space */
9300 pci_save_state(pdev
);
9301 pci_set_power_state(pdev
, PCI_D3hot
);
9307 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
9308 * @pdev: pointer to PCI device
9310 * This routine is called from the kernel's PCI subsystem to support system
9311 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
9312 * this method, it restores the device's PCI config space state and fully
9313 * reinitializes the device and brings it online. Note that as the driver
9314 * implements the minimum PM requirements to a power-aware driver's PM for
9315 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9316 * to the suspend() method call will be treated as SUSPEND and the driver
9317 * will fully reinitialize its device during resume() method call, the device
9318 * will be set to PCI_D0 directly in PCI config space before restoring the
9322 * 0 - driver suspended the device
9326 lpfc_pci_resume_one_s4(struct pci_dev
*pdev
)
9328 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9329 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9333 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
9334 "0292 PCI device Power Management resume.\n");
9336 /* Restore device state from PCI config space */
9337 pci_set_power_state(pdev
, PCI_D0
);
9338 pci_restore_state(pdev
);
9341 * As the new kernel behavior of pci_restore_state() API call clears
9342 * device saved_state flag, need to save the restored state again.
9344 pci_save_state(pdev
);
9346 if (pdev
->is_busmaster
)
9347 pci_set_master(pdev
);
9349 /* Startup the kernel thread for this host adapter. */
9350 phba
->worker_thread
= kthread_run(lpfc_do_work
, phba
,
9351 "lpfc_worker_%d", phba
->brd_no
);
9352 if (IS_ERR(phba
->worker_thread
)) {
9353 error
= PTR_ERR(phba
->worker_thread
);
9354 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9355 "0293 PM resume failed to start worker "
9356 "thread: error=x%x.\n", error
);
9360 /* Configure and enable interrupt */
9361 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
9362 if (intr_mode
== LPFC_INTR_ERROR
) {
9363 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9364 "0294 PM resume Failed to enable interrupt\n");
9367 phba
->intr_mode
= intr_mode
;
9369 /* Restart HBA and bring it online */
9370 lpfc_sli_brdrestart(phba
);
9373 /* Log the current active interrupt mode */
9374 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9380 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
9381 * @phba: pointer to lpfc hba data structure.
9383 * This routine is called to prepare the SLI4 device for PCI slot recover. It
9384 * aborts all the outstanding SCSI I/Os to the pci device.
9387 lpfc_sli4_prep_dev_for_recover(struct lpfc_hba
*phba
)
9389 struct lpfc_sli
*psli
= &phba
->sli
;
9390 struct lpfc_sli_ring
*pring
;
9392 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9393 "2828 PCI channel I/O abort preparing for recovery\n");
9395 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9396 * and let the SCSI mid-layer to retry them to recover.
9398 pring
= &psli
->ring
[psli
->fcp_ring
];
9399 lpfc_sli_abort_iocb_ring(phba
, pring
);
9403 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
9404 * @phba: pointer to lpfc hba data structure.
9406 * This routine is called to prepare the SLI4 device for PCI slot reset. It
9407 * disables the device interrupt and pci device, and aborts the internal FCP
9411 lpfc_sli4_prep_dev_for_reset(struct lpfc_hba
*phba
)
9413 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9414 "2826 PCI channel disable preparing for reset\n");
9416 /* Block any management I/Os to the device */
9417 lpfc_block_mgmt_io(phba
);
9419 /* Block all SCSI devices' I/Os on the host */
9420 lpfc_scsi_dev_block(phba
);
9422 /* stop all timers */
9423 lpfc_stop_hba_timers(phba
);
9425 /* Disable interrupt and pci device */
9426 lpfc_sli4_disable_intr(phba
);
9427 pci_disable_device(phba
->pcidev
);
9429 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9430 lpfc_sli_flush_fcp_rings(phba
);
9434 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
9435 * @phba: pointer to lpfc hba data structure.
9437 * This routine is called to prepare the SLI4 device for PCI slot permanently
9438 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9442 lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba
*phba
)
9444 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9445 "2827 PCI channel permanent disable for failure\n");
9447 /* Block all SCSI devices' I/Os on the host */
9448 lpfc_scsi_dev_block(phba
);
9450 /* stop all timers */
9451 lpfc_stop_hba_timers(phba
);
9453 /* Clean up all driver's outstanding SCSI I/Os */
9454 lpfc_sli_flush_fcp_rings(phba
);
9458 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
9459 * @pdev: pointer to PCI device.
9460 * @state: the current PCI connection state.
9462 * This routine is called from the PCI subsystem for error handling to device
9463 * with SLI-4 interface spec. This function is called by the PCI subsystem
9464 * after a PCI bus error affecting this device has been detected. When this
9465 * function is invoked, it will need to stop all the I/Os and interrupt(s)
9466 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
9467 * for the PCI subsystem to perform proper recovery as desired.
9470 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9471 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9473 static pci_ers_result_t
9474 lpfc_io_error_detected_s4(struct pci_dev
*pdev
, pci_channel_state_t state
)
9476 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9477 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9480 case pci_channel_io_normal
:
9481 /* Non-fatal error, prepare for recovery */
9482 lpfc_sli4_prep_dev_for_recover(phba
);
9483 return PCI_ERS_RESULT_CAN_RECOVER
;
9484 case pci_channel_io_frozen
:
9485 /* Fatal error, prepare for slot reset */
9486 lpfc_sli4_prep_dev_for_reset(phba
);
9487 return PCI_ERS_RESULT_NEED_RESET
;
9488 case pci_channel_io_perm_failure
:
9489 /* Permanent failure, prepare for device down */
9490 lpfc_sli4_prep_dev_for_perm_failure(phba
);
9491 return PCI_ERS_RESULT_DISCONNECT
;
9493 /* Unknown state, prepare and request slot reset */
9494 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9495 "2825 Unknown PCI error state: x%x\n", state
);
9496 lpfc_sli4_prep_dev_for_reset(phba
);
9497 return PCI_ERS_RESULT_NEED_RESET
;
9502 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
9503 * @pdev: pointer to PCI device.
9505 * This routine is called from the PCI subsystem for error handling to device
9506 * with SLI-4 interface spec. It is called after PCI bus has been reset to
9507 * restart the PCI card from scratch, as if from a cold-boot. During the
9508 * PCI subsystem error recovery, after the driver returns
9509 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
9510 * recovery and then call this routine before calling the .resume method to
9511 * recover the device. This function will initialize the HBA device, enable
9512 * the interrupt, but it will just put the HBA to offline state without
9513 * passing any I/O traffic.
9516 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9517 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9519 static pci_ers_result_t
9520 lpfc_io_slot_reset_s4(struct pci_dev
*pdev
)
9522 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9523 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9524 struct lpfc_sli
*psli
= &phba
->sli
;
9527 dev_printk(KERN_INFO
, &pdev
->dev
, "recovering from a slot reset.\n");
9528 if (pci_enable_device_mem(pdev
)) {
9529 printk(KERN_ERR
"lpfc: Cannot re-enable "
9530 "PCI device after reset.\n");
9531 return PCI_ERS_RESULT_DISCONNECT
;
9534 pci_restore_state(pdev
);
9537 * As the new kernel behavior of pci_restore_state() API call clears
9538 * device saved_state flag, need to save the restored state again.
9540 pci_save_state(pdev
);
9542 if (pdev
->is_busmaster
)
9543 pci_set_master(pdev
);
9545 spin_lock_irq(&phba
->hbalock
);
9546 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
9547 spin_unlock_irq(&phba
->hbalock
);
9549 /* Configure and enable interrupt */
9550 intr_mode
= lpfc_sli4_enable_intr(phba
, phba
->intr_mode
);
9551 if (intr_mode
== LPFC_INTR_ERROR
) {
9552 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9553 "2824 Cannot re-enable interrupt after "
9555 return PCI_ERS_RESULT_DISCONNECT
;
9557 phba
->intr_mode
= intr_mode
;
9559 /* Log the current active interrupt mode */
9560 lpfc_log_intr_mode(phba
, phba
->intr_mode
);
9562 return PCI_ERS_RESULT_RECOVERED
;
9566 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
9567 * @pdev: pointer to PCI device
9569 * This routine is called from the PCI subsystem for error handling to device
9570 * with SLI-4 interface spec. It is called when kernel error recovery tells
9571 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
9572 * error recovery. After this call, traffic can start to flow from this device
9576 lpfc_io_resume_s4(struct pci_dev
*pdev
)
9578 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9579 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9582 * In case of slot reset, as function reset is performed through
9583 * mailbox command which needs DMA to be enabled, this operation
9584 * has to be moved to the io resume phase. Taking device offline
9585 * will perform the necessary cleanup.
9587 if (!(phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)) {
9588 /* Perform device reset */
9589 lpfc_offline_prep(phba
);
9591 lpfc_sli_brdrestart(phba
);
9592 /* Bring the device back online */
9596 /* Clean up Advanced Error Reporting (AER) if needed */
9597 if (phba
->hba_flag
& HBA_AER_ENABLED
)
9598 pci_cleanup_aer_uncorrect_error_status(pdev
);
9602 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
9603 * @pdev: pointer to PCI device
9604 * @pid: pointer to PCI device identifier
9606 * This routine is to be registered to the kernel's PCI subsystem. When an
9607 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
9608 * at PCI device-specific information of the device and driver to see if the
9609 * driver state that it can support this kind of device. If the match is
9610 * successful, the driver core invokes this routine. This routine dispatches
9611 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
9612 * do all the initialization that it needs to do to handle the HBA device
9616 * 0 - driver can claim the device
9617 * negative value - driver can not claim the device
9619 static int __devinit
9620 lpfc_pci_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*pid
)
9623 struct lpfc_sli_intf intf
;
9625 if (pci_read_config_dword(pdev
, LPFC_SLI_INTF
, &intf
.word0
))
9628 if ((bf_get(lpfc_sli_intf_valid
, &intf
) == LPFC_SLI_INTF_VALID
) &&
9629 (bf_get(lpfc_sli_intf_slirev
, &intf
) == LPFC_SLI_INTF_REV_SLI4
))
9630 rc
= lpfc_pci_probe_one_s4(pdev
, pid
);
9632 rc
= lpfc_pci_probe_one_s3(pdev
, pid
);
9638 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
9639 * @pdev: pointer to PCI device
9641 * This routine is to be registered to the kernel's PCI subsystem. When an
9642 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
9643 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
9644 * remove routine, which will perform all the necessary cleanup for the
9645 * device to be removed from the PCI subsystem properly.
9647 static void __devexit
9648 lpfc_pci_remove_one(struct pci_dev
*pdev
)
9650 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9651 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9653 switch (phba
->pci_dev_grp
) {
9654 case LPFC_PCI_DEV_LP
:
9655 lpfc_pci_remove_one_s3(pdev
);
9657 case LPFC_PCI_DEV_OC
:
9658 lpfc_pci_remove_one_s4(pdev
);
9661 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9662 "1424 Invalid PCI device group: 0x%x\n",
9670 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
9671 * @pdev: pointer to PCI device
9672 * @msg: power management message
9674 * This routine is to be registered to the kernel's PCI subsystem to support
9675 * system Power Management (PM). When PM invokes this method, it dispatches
9676 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
9677 * suspend the device.
9680 * 0 - driver suspended the device
9684 lpfc_pci_suspend_one(struct pci_dev
*pdev
, pm_message_t msg
)
9686 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9687 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9690 switch (phba
->pci_dev_grp
) {
9691 case LPFC_PCI_DEV_LP
:
9692 rc
= lpfc_pci_suspend_one_s3(pdev
, msg
);
9694 case LPFC_PCI_DEV_OC
:
9695 rc
= lpfc_pci_suspend_one_s4(pdev
, msg
);
9698 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9699 "1425 Invalid PCI device group: 0x%x\n",
9707 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
9708 * @pdev: pointer to PCI device
9710 * This routine is to be registered to the kernel's PCI subsystem to support
9711 * system Power Management (PM). When PM invokes this method, it dispatches
9712 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
9713 * resume the device.
9716 * 0 - driver suspended the device
9720 lpfc_pci_resume_one(struct pci_dev
*pdev
)
9722 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9723 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9726 switch (phba
->pci_dev_grp
) {
9727 case LPFC_PCI_DEV_LP
:
9728 rc
= lpfc_pci_resume_one_s3(pdev
);
9730 case LPFC_PCI_DEV_OC
:
9731 rc
= lpfc_pci_resume_one_s4(pdev
);
9734 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9735 "1426 Invalid PCI device group: 0x%x\n",
9743 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
9744 * @pdev: pointer to PCI device.
9745 * @state: the current PCI connection state.
9747 * This routine is registered to the PCI subsystem for error handling. This
9748 * function is called by the PCI subsystem after a PCI bus error affecting
9749 * this device has been detected. When this routine is invoked, it dispatches
9750 * the action to the proper SLI-3 or SLI-4 device error detected handling
9751 * routine, which will perform the proper error detected operation.
9754 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9755 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9757 static pci_ers_result_t
9758 lpfc_io_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
9760 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9761 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9762 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
9764 switch (phba
->pci_dev_grp
) {
9765 case LPFC_PCI_DEV_LP
:
9766 rc
= lpfc_io_error_detected_s3(pdev
, state
);
9768 case LPFC_PCI_DEV_OC
:
9769 rc
= lpfc_io_error_detected_s4(pdev
, state
);
9772 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9773 "1427 Invalid PCI device group: 0x%x\n",
9781 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
9782 * @pdev: pointer to PCI device.
9784 * This routine is registered to the PCI subsystem for error handling. This
9785 * function is called after PCI bus has been reset to restart the PCI card
9786 * from scratch, as if from a cold-boot. When this routine is invoked, it
9787 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
9788 * routine, which will perform the proper device reset.
9791 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9792 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9794 static pci_ers_result_t
9795 lpfc_io_slot_reset(struct pci_dev
*pdev
)
9797 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9798 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9799 pci_ers_result_t rc
= PCI_ERS_RESULT_DISCONNECT
;
9801 switch (phba
->pci_dev_grp
) {
9802 case LPFC_PCI_DEV_LP
:
9803 rc
= lpfc_io_slot_reset_s3(pdev
);
9805 case LPFC_PCI_DEV_OC
:
9806 rc
= lpfc_io_slot_reset_s4(pdev
);
9809 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9810 "1428 Invalid PCI device group: 0x%x\n",
9818 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
9819 * @pdev: pointer to PCI device
9821 * This routine is registered to the PCI subsystem for error handling. It
9822 * is called when kernel error recovery tells the lpfc driver that it is
9823 * OK to resume normal PCI operation after PCI bus error recovery. When
9824 * this routine is invoked, it dispatches the action to the proper SLI-3
9825 * or SLI-4 device io_resume routine, which will resume the device operation.
9828 lpfc_io_resume(struct pci_dev
*pdev
)
9830 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
9831 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
9833 switch (phba
->pci_dev_grp
) {
9834 case LPFC_PCI_DEV_LP
:
9835 lpfc_io_resume_s3(pdev
);
9837 case LPFC_PCI_DEV_OC
:
9838 lpfc_io_resume_s4(pdev
);
9841 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9842 "1429 Invalid PCI device group: 0x%x\n",
9849 static struct pci_device_id lpfc_id_table
[] = {
9850 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_VIPER
,
9851 PCI_ANY_ID
, PCI_ANY_ID
, },
9852 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FIREFLY
,
9853 PCI_ANY_ID
, PCI_ANY_ID
, },
9854 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_THOR
,
9855 PCI_ANY_ID
, PCI_ANY_ID
, },
9856 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PEGASUS
,
9857 PCI_ANY_ID
, PCI_ANY_ID
, },
9858 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_CENTAUR
,
9859 PCI_ANY_ID
, PCI_ANY_ID
, },
9860 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_DRAGONFLY
,
9861 PCI_ANY_ID
, PCI_ANY_ID
, },
9862 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SUPERFLY
,
9863 PCI_ANY_ID
, PCI_ANY_ID
, },
9864 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_RFLY
,
9865 PCI_ANY_ID
, PCI_ANY_ID
, },
9866 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PFLY
,
9867 PCI_ANY_ID
, PCI_ANY_ID
, },
9868 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE
,
9869 PCI_ANY_ID
, PCI_ANY_ID
, },
9870 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_SCSP
,
9871 PCI_ANY_ID
, PCI_ANY_ID
, },
9872 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_NEPTUNE_DCSP
,
9873 PCI_ANY_ID
, PCI_ANY_ID
, },
9874 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS
,
9875 PCI_ANY_ID
, PCI_ANY_ID
, },
9876 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_SCSP
,
9877 PCI_ANY_ID
, PCI_ANY_ID
, },
9878 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HELIOS_DCSP
,
9879 PCI_ANY_ID
, PCI_ANY_ID
, },
9880 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BMID
,
9881 PCI_ANY_ID
, PCI_ANY_ID
, },
9882 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BSMB
,
9883 PCI_ANY_ID
, PCI_ANY_ID
, },
9884 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR
,
9885 PCI_ANY_ID
, PCI_ANY_ID
, },
9886 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_HORNET
,
9887 PCI_ANY_ID
, PCI_ANY_ID
, },
9888 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_SCSP
,
9889 PCI_ANY_ID
, PCI_ANY_ID
, },
9890 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZEPHYR_DCSP
,
9891 PCI_ANY_ID
, PCI_ANY_ID
, },
9892 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZMID
,
9893 PCI_ANY_ID
, PCI_ANY_ID
, },
9894 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_ZSMB
,
9895 PCI_ANY_ID
, PCI_ANY_ID
, },
9896 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_TFLY
,
9897 PCI_ANY_ID
, PCI_ANY_ID
, },
9898 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP101
,
9899 PCI_ANY_ID
, PCI_ANY_ID
, },
9900 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP10000S
,
9901 PCI_ANY_ID
, PCI_ANY_ID
, },
9902 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LP11000S
,
9903 PCI_ANY_ID
, PCI_ANY_ID
, },
9904 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LPE11000S
,
9905 PCI_ANY_ID
, PCI_ANY_ID
, },
9906 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT
,
9907 PCI_ANY_ID
, PCI_ANY_ID
, },
9908 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_MID
,
9909 PCI_ANY_ID
, PCI_ANY_ID
, },
9910 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SMB
,
9911 PCI_ANY_ID
, PCI_ANY_ID
, },
9912 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_DCSP
,
9913 PCI_ANY_ID
, PCI_ANY_ID
, },
9914 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_SCSP
,
9915 PCI_ANY_ID
, PCI_ANY_ID
, },
9916 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_SAT_S
,
9917 PCI_ANY_ID
, PCI_ANY_ID
, },
9918 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_VF
,
9919 PCI_ANY_ID
, PCI_ANY_ID
, },
9920 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_PF
,
9921 PCI_ANY_ID
, PCI_ANY_ID
, },
9922 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_PROTEUS_S
,
9923 PCI_ANY_ID
, PCI_ANY_ID
, },
9924 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TIGERSHARK
,
9925 PCI_ANY_ID
, PCI_ANY_ID
, },
9926 {PCI_VENDOR_ID_SERVERENGINE
, PCI_DEVICE_ID_TOMCAT
,
9927 PCI_ANY_ID
, PCI_ANY_ID
, },
9928 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_FALCON
,
9929 PCI_ANY_ID
, PCI_ANY_ID
, },
9930 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_BALIUS
,
9931 PCI_ANY_ID
, PCI_ANY_ID
, },
9932 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC
,
9933 PCI_ANY_ID
, PCI_ANY_ID
, },
9934 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE
,
9935 PCI_ANY_ID
, PCI_ANY_ID
, },
9936 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FC_VF
,
9937 PCI_ANY_ID
, PCI_ANY_ID
, },
9938 {PCI_VENDOR_ID_EMULEX
, PCI_DEVICE_ID_LANCER_FCOE_VF
,
9939 PCI_ANY_ID
, PCI_ANY_ID
, },
9943 MODULE_DEVICE_TABLE(pci
, lpfc_id_table
);
9945 static struct pci_error_handlers lpfc_err_handler
= {
9946 .error_detected
= lpfc_io_error_detected
,
9947 .slot_reset
= lpfc_io_slot_reset
,
9948 .resume
= lpfc_io_resume
,
9951 static struct pci_driver lpfc_driver
= {
9952 .name
= LPFC_DRIVER_NAME
,
9953 .id_table
= lpfc_id_table
,
9954 .probe
= lpfc_pci_probe_one
,
9955 .remove
= __devexit_p(lpfc_pci_remove_one
),
9956 .suspend
= lpfc_pci_suspend_one
,
9957 .resume
= lpfc_pci_resume_one
,
9958 .err_handler
= &lpfc_err_handler
,
9962 * lpfc_init - lpfc module initialization routine
9964 * This routine is to be invoked when the lpfc module is loaded into the
9965 * kernel. The special kernel macro module_init() is used to indicate the
9966 * role of this routine to the kernel as lpfc module entry point.
9970 * -ENOMEM - FC attach transport failed
9971 * all others - failed
9978 printk(LPFC_MODULE_DESC
"\n");
9979 printk(LPFC_COPYRIGHT
"\n");
9981 if (lpfc_enable_npiv
) {
9982 lpfc_transport_functions
.vport_create
= lpfc_vport_create
;
9983 lpfc_transport_functions
.vport_delete
= lpfc_vport_delete
;
9985 lpfc_transport_template
=
9986 fc_attach_transport(&lpfc_transport_functions
);
9987 if (lpfc_transport_template
== NULL
)
9989 if (lpfc_enable_npiv
) {
9990 lpfc_vport_transport_template
=
9991 fc_attach_transport(&lpfc_vport_transport_functions
);
9992 if (lpfc_vport_transport_template
== NULL
) {
9993 fc_release_transport(lpfc_transport_template
);
9997 error
= pci_register_driver(&lpfc_driver
);
9999 fc_release_transport(lpfc_transport_template
);
10000 if (lpfc_enable_npiv
)
10001 fc_release_transport(lpfc_vport_transport_template
);
10008 * lpfc_exit - lpfc module removal routine
10010 * This routine is invoked when the lpfc module is removed from the kernel.
10011 * The special kernel macro module_exit() is used to indicate the role of
10012 * this routine to the kernel as lpfc module exit point.
10017 pci_unregister_driver(&lpfc_driver
);
10018 fc_release_transport(lpfc_transport_template
);
10019 if (lpfc_enable_npiv
)
10020 fc_release_transport(lpfc_vport_transport_template
);
10021 if (_dump_buf_data
) {
10022 printk(KERN_ERR
"9062 BLKGRD: freeing %lu pages for "
10023 "_dump_buf_data at 0x%p\n",
10024 (1L << _dump_buf_data_order
), _dump_buf_data
);
10025 free_pages((unsigned long)_dump_buf_data
, _dump_buf_data_order
);
10028 if (_dump_buf_dif
) {
10029 printk(KERN_ERR
"9049 BLKGRD: freeing %lu pages for "
10030 "_dump_buf_dif at 0x%p\n",
10031 (1L << _dump_buf_dif_order
), _dump_buf_dif
);
10032 free_pages((unsigned long)_dump_buf_dif
, _dump_buf_dif_order
);
10036 module_init(lpfc_init
);
10037 module_exit(lpfc_exit
);
10038 MODULE_LICENSE("GPL");
10039 MODULE_DESCRIPTION(LPFC_MODULE_DESC
);
10040 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
10041 MODULE_VERSION("0:" LPFC_DRIVER_VERSION
);