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scsi: lpfc: fix oops/BUG in lpfc_sli_ringtxcmpl_put()
[mirror_ubuntu-zesty-kernel.git] / drivers / scsi / lpfc / lpfc_mbox.c
CommitLineData
dea3101e
JB		 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
c44ce173 3 * Fibre Channel Host Bus Adapters. *
50611577 4 * Copyright (C) 2004-2016 Emulex. All rights reserved. *
c44ce173 5 * EMULEX and SLI are trademarks of Emulex. *
dea3101e 6 * www.emulex.com *
c44ce173 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
dea3101e
JB		 8 * *
9 * This program is free software; you can redistribute it and/or *
c44ce173
JSEC		 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. *
dea3101e
JB		 20 *******************************************************************/
21
dea3101e
JB		 22#include <linux/blkdev.h>
23#include <linux/pci.h>
5a0e3ad6 24#include <linux/slab.h>
dea3101e
JB		 25#include <linux/interrupt.h>
26
f888ba3c
JSEC		 27#include <scsi/scsi_device.h>
28#include <scsi/scsi_transport_fc.h>
91886523 29#include <scsi/scsi.h>
6a9c52cf 30#include <scsi/fc/fc_fs.h>
91886523 31
da0436e9 32#include "lpfc_hw4.h"
dea3101e
JB		 33#include "lpfc_hw.h"
34#include "lpfc_sli.h"
da0436e9 35#include "lpfc_sli4.h"
ea2151b4 36#include "lpfc_nl.h"
dea3101e
JB		 37#include "lpfc_disc.h"
38#include "lpfc_scsi.h"
39#include "lpfc.h"
40#include "lpfc_logmsg.h"
41#include "lpfc_crtn.h"
42#include "lpfc_compat.h"
43
21e9a0a5
JS		 44/**
45 * lpfc_dump_static_vport - Dump HBA's static vport information.
46 * @phba: pointer to lpfc hba data structure.
47 * @pmb: pointer to the driver internal queue element for mailbox command.
48 * @offset: offset for dumping vport info.
49 *
50 * The dump mailbox command provides a method for the device driver to obtain
51 * various types of information from the HBA device.
52 *
53 * This routine prepares the mailbox command for dumping list of static
54 * vports to be created.
55 **/
1c6834a7 56int
21e9a0a5
JS		 57lpfc_dump_static_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb,
58 uint16_t offset)
59{
60 MAILBOX_t *mb;
1c6834a7 61 struct lpfc_dmabuf *mp;
21e9a0a5
JS		 62
63 mb = &pmb->u.mb;
21e9a0a5
JS		 64
65 /* Setup to dump vport info region */
66 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
67 mb->mbxCommand = MBX_DUMP_MEMORY;
21e9a0a5
JS		 68 mb->un.varDmp.type = DMP_NV_PARAMS;
69 mb->un.varDmp.entry_index = offset;
70 mb->un.varDmp.region_id = DMP_REGION_VPORT;
21e9a0a5
JS		 71 mb->mbxOwner = OWN_HOST;
72
1c6834a7
JS		 73 /* For SLI3 HBAs data is embedded in mailbox */
74 if (phba->sli_rev != LPFC_SLI_REV4) {
75 mb->un.varDmp.cv = 1;
76 mb->un.varDmp.word_cnt = DMP_RSP_SIZE/sizeof(uint32_t);
77 return 0;
78 }
79
80 /* For SLI4 HBAs driver need to allocate memory */
81 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
82 if (mp)
83 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
84
85 if (!mp || !mp->virt) {
86 kfree(mp);
87 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
88 "2605 lpfc_dump_static_vport: memory"
89 " allocation failed\n");
90 return 1;
91 }
92 memset(mp->virt, 0, LPFC_BPL_SIZE);
93 INIT_LIST_HEAD(&mp->list);
94 /* save address for completion */
cdcc2343 95 pmb->context1 = (uint8_t *)mp;
1c6834a7
JS		 96 mb->un.varWords[3] = putPaddrLow(mp->phys);
97 mb->un.varWords[4] = putPaddrHigh(mp->phys);
98 mb->un.varDmp.sli4_length = sizeof(struct static_vport_info);
99
100 return 0;
21e9a0a5
JS		 101}
102
e59058c4 103/**
a0c87cbd 104 * lpfc_down_link - Bring down HBAs link.
e59058c4
JS		 105 * @phba: pointer to lpfc hba data structure.
106 * @pmb: pointer to the driver internal queue element for mailbox command.
a0c87cbd
JS		 107 *
108 * This routine prepares a mailbox command to bring down HBA link.
109 **/
110void
111lpfc_down_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
112{
113 MAILBOX_t *mb;
114 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
115 mb = &pmb->u.mb;
116 mb->mbxCommand = MBX_DOWN_LINK;
117 mb->mbxOwner = OWN_HOST;
118}
119
120/**
121 * lpfc_dump_mem - Prepare a mailbox command for reading a region.
122 * @phba: pointer to lpfc hba data structure.
123 * @pmb: pointer to the driver internal queue element for mailbox command.
124 * @offset: offset into the region.
125 * @region_id: config region id.
e59058c4
JS		 126 *
127 * The dump mailbox command provides a method for the device driver to obtain
128 * various types of information from the HBA device.
129 *
a0c87cbd 130 * This routine prepares the mailbox command for dumping HBA's config region.
e59058c4 131 **/
dea3101e 132void
a0c87cbd
JS		 133lpfc_dump_mem(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, uint16_t offset,
134 uint16_t region_id)
dea3101e
JB		 135{
136 MAILBOX_t *mb;
137 void *ctx;
138
04c68496 139 mb = &pmb->u.mb;
dea3101e
JB		 140 ctx = pmb->context2;
141
142 /* Setup to dump VPD region */
143 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
144 mb->mbxCommand = MBX_DUMP_MEMORY;
145 mb->un.varDmp.cv = 1;
146 mb->un.varDmp.type = DMP_NV_PARAMS;
147 mb->un.varDmp.entry_index = offset;
a0c87cbd 148 mb->un.varDmp.region_id = region_id;
dea3101e
JB		 149 mb->un.varDmp.word_cnt = (DMP_RSP_SIZE / sizeof (uint32_t));
150 mb->un.varDmp.co = 0;
151 mb->un.varDmp.resp_offset = 0;
152 pmb->context2 = ctx;
153 mb->mbxOwner = OWN_HOST;
154 return;
155}
156
97207482 157/**
3621a710 158 * lpfc_dump_wakeup_param - Prepare mailbox command for retrieving wakeup params
97207482
JS		 159 * @phba: pointer to lpfc hba data structure.
160 * @pmb: pointer to the driver internal queue element for mailbox command.
3621a710 161 *
97207482
JS		 162 * This function create a dump memory mailbox command to dump wake up
163 * parameters.
164 */
165void
166lpfc_dump_wakeup_param(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
167{
168 MAILBOX_t *mb;
169 void *ctx;
170
04c68496 171 mb = &pmb->u.mb;
97207482
JS		 172 /* Save context so that we can restore after memset */
173 ctx = pmb->context2;
174
175 /* Setup to dump VPD region */
176 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
177 mb->mbxCommand = MBX_DUMP_MEMORY;
178 mb->mbxOwner = OWN_HOST;
179 mb->un.varDmp.cv = 1;
180 mb->un.varDmp.type = DMP_NV_PARAMS;
1d1c296f
JS		 181 if (phba->sli_rev < LPFC_SLI_REV4)
182 mb->un.varDmp.entry_index = 0;
97207482
JS		 183 mb->un.varDmp.region_id = WAKE_UP_PARMS_REGION_ID;
184 mb->un.varDmp.word_cnt = WAKE_UP_PARMS_WORD_SIZE;
185 mb->un.varDmp.co = 0;
186 mb->un.varDmp.resp_offset = 0;
187 pmb->context2 = ctx;
188 return;
189}
190
e59058c4 191/**
3621a710 192 * lpfc_read_nv - Prepare a mailbox command for reading HBA's NVRAM param
e59058c4
JS		 193 * @phba: pointer to lpfc hba data structure.
194 * @pmb: pointer to the driver internal queue element for mailbox command.
195 *
196 * The read NVRAM mailbox command returns the HBA's non-volatile parameters
197 * that are used as defaults when the Fibre Channel link is brought on-line.
198 *
199 * This routine prepares the mailbox command for reading information stored
200 * in the HBA's NVRAM. Specifically, the HBA's WWNN and WWPN.
201 **/
dea3101e
JB		 202void
203lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
204{
205 MAILBOX_t *mb;
206
04c68496 207 mb = &pmb->u.mb;
dea3101e
JB		 208 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
209 mb->mbxCommand = MBX_READ_NV;
210 mb->mbxOwner = OWN_HOST;
211 return;
212}
213
e59058c4 214/**
3621a710 215 * lpfc_config_async - Prepare a mailbox command for enabling HBA async event
e59058c4
JS		 216 * @phba: pointer to lpfc hba data structure.
217 * @pmb: pointer to the driver internal queue element for mailbox command.
218 * @ring: ring number for the asynchronous event to be configured.
219 *
220 * The asynchronous event enable mailbox command is used to enable the
221 * asynchronous event posting via the ASYNC_STATUS_CN IOCB response and
222 * specifies the default ring to which events are posted.
223 *
224 * This routine prepares the mailbox command for enabling HBA asynchronous
225 * event support on a IOCB ring.
226 **/
57127f15
JS		 227void
228lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
229 uint32_t ring)
230{
231 MAILBOX_t *mb;
232
04c68496 233 mb = &pmb->u.mb;
57127f15
JS		 234 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
235 mb->mbxCommand = MBX_ASYNCEVT_ENABLE;
236 mb->un.varCfgAsyncEvent.ring = ring;
237 mb->mbxOwner = OWN_HOST;
238 return;
239}
240
e59058c4 241/**
3621a710 242 * lpfc_heart_beat - Prepare a mailbox command for heart beat
e59058c4
JS		 243 * @phba: pointer to lpfc hba data structure.
244 * @pmb: pointer to the driver internal queue element for mailbox command.
245 *
246 * The heart beat mailbox command is used to detect an unresponsive HBA, which
247 * is defined as any device where no error attention is sent and both mailbox
248 * and rings are not processed.
249 *
250 * This routine prepares the mailbox command for issuing a heart beat in the
251 * form of mailbox command to the HBA. The timely completion of the heart
252 * beat mailbox command indicates the health of the HBA.
253 **/
858c9f6c
JS		 254void
255lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
256{
257 MAILBOX_t *mb;
258
04c68496 259 mb = &pmb->u.mb;
858c9f6c
JS		 260 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
261 mb->mbxCommand = MBX_HEARTBEAT;
262 mb->mbxOwner = OWN_HOST;
263 return;
264}
265
e59058c4 266/**
76a95d75 267 * lpfc_read_topology - Prepare a mailbox command for reading HBA topology
e59058c4
JS		 268 * @phba: pointer to lpfc hba data structure.
269 * @pmb: pointer to the driver internal queue element for mailbox command.
270 * @mp: DMA buffer memory for reading the link attention information into.
271 *
76a95d75
JS		 272 * The read topology mailbox command is issued to read the link topology
273 * information indicated by the HBA port when the Link Event bit of the Host
274 * Attention (HSTATT) register is set to 1 (For SLI-3) or when an FC Link
275 * Attention ACQE is received from the port (For SLI-4). A Link Event
e59058c4
JS		 276 * Attention occurs based on an exception detected at the Fibre Channel link
277 * interface.
278 *
76a95d75 279 * This routine prepares the mailbox command for reading HBA link topology
e59058c4
JS		 280 * information. A DMA memory has been set aside and address passed to the
281 * HBA through @mp for the HBA to DMA link attention information into the
282 * memory as part of the execution of the mailbox command.
283 *
284 * Return codes
285 * 0 - Success (currently always return 0)
286 **/
dea3101e 287int
76a95d75
JS		 288lpfc_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb,
289 struct lpfc_dmabuf *mp)
dea3101e
JB		 290{
291 MAILBOX_t *mb;
dea3101e 292
04c68496 293 mb = &pmb->u.mb;
dea3101e
JB		 294 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
295
296 INIT_LIST_HEAD(&mp->list);
76a95d75
JS		 297 mb->mbxCommand = MBX_READ_TOPOLOGY;
298 mb->un.varReadTop.lilpBde64.tus.f.bdeSize = LPFC_ALPA_MAP_SIZE;
299 mb->un.varReadTop.lilpBde64.addrHigh = putPaddrHigh(mp->phys);
300 mb->un.varReadTop.lilpBde64.addrLow = putPaddrLow(mp->phys);
dea3101e
JB		 301
302 /* Save address for later completion and set the owner to host so that
303 * the FW knows this mailbox is available for processing.
304 */
76a95d75 305 pmb->context1 = (uint8_t *)mp;
dea3101e 306 mb->mbxOwner = OWN_HOST;
92d7f7b0 307 return (0);
dea3101e
JB		 308}
309
e59058c4 310/**
3621a710 311 * lpfc_clear_la - Prepare a mailbox command for clearing HBA link attention
e59058c4
JS		 312 * @phba: pointer to lpfc hba data structure.
313 * @pmb: pointer to the driver internal queue element for mailbox command.
314 *
315 * The clear link attention mailbox command is issued to clear the link event
316 * attention condition indicated by the Link Event bit of the Host Attention
317 * (HSTATT) register. The link event attention condition is cleared only if
318 * the event tag specified matches that of the current link event counter.
319 * The current event tag is read using the read link attention event mailbox
320 * command.
321 *
322 * This routine prepares the mailbox command for clearing HBA link attention
323 * information.
324 **/
dea3101e
JB		 325void
326lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
327{
328 MAILBOX_t *mb;
329
04c68496 330 mb = &pmb->u.mb;
dea3101e
JB		 331 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
332
333 mb->un.varClearLA.eventTag = phba->fc_eventTag;
334 mb->mbxCommand = MBX_CLEAR_LA;
335 mb->mbxOwner = OWN_HOST;
336 return;
337}
338
e59058c4 339/**
3621a710 340 * lpfc_config_link - Prepare a mailbox command for configuring link on a HBA
e59058c4
JS		 341 * @phba: pointer to lpfc hba data structure.
342 * @pmb: pointer to the driver internal queue element for mailbox command.
343 *
344 * The configure link mailbox command is used before the initialize link
345 * mailbox command to override default value and to configure link-oriented
346 * parameters such as DID address and various timers. Typically, this
347 * command would be used after an F_Port login to set the returned DID address
348 * and the fabric timeout values. This command is not valid before a configure
349 * port command has configured the HBA port.
350 *
351 * This routine prepares the mailbox command for configuring link on a HBA.
352 **/
dea3101e
JB		 353void
354lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
355{
2e0fef85 356 struct lpfc_vport *vport = phba->pport;
04c68496 357 MAILBOX_t *mb = &pmb->u.mb;
dea3101e
JB		 358 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
359
360 /* NEW_FEATURE
361 * SLI-2, Coalescing Response Feature.
362 */
1d1c296f 363 if (phba->cfg_cr_delay && (phba->sli_rev < LPFC_SLI_REV4)) {
dea3101e
JB		 364 mb->un.varCfgLnk.cr = 1;
365 mb->un.varCfgLnk.ci = 1;
366 mb->un.varCfgLnk.cr_delay = phba->cfg_cr_delay;
367 mb->un.varCfgLnk.cr_count = phba->cfg_cr_count;
368 }
369
2e0fef85 370 mb->un.varCfgLnk.myId = vport->fc_myDID;
dea3101e
JB		 371 mb->un.varCfgLnk.edtov = phba->fc_edtov;
372 mb->un.varCfgLnk.arbtov = phba->fc_arbtov;
373 mb->un.varCfgLnk.ratov = phba->fc_ratov;
374 mb->un.varCfgLnk.rttov = phba->fc_rttov;
375 mb->un.varCfgLnk.altov = phba->fc_altov;
376 mb->un.varCfgLnk.crtov = phba->fc_crtov;
377 mb->un.varCfgLnk.citov = phba->fc_citov;
378
1d1c296f 379 if (phba->cfg_ack0 && (phba->sli_rev < LPFC_SLI_REV4))
dea3101e
JB		 380 mb->un.varCfgLnk.ack0_enable = 1;
381
382 mb->mbxCommand = MBX_CONFIG_LINK;
383 mb->mbxOwner = OWN_HOST;
384 return;
385}
386
9399627f 387/**
3621a710 388 * lpfc_config_msi - Prepare a mailbox command for configuring msi-x
9399627f
JS		 389 * @phba: pointer to lpfc hba data structure.
390 * @pmb: pointer to the driver internal queue element for mailbox command.
391 *
392 * The configure MSI-X mailbox command is used to configure the HBA's SLI-3
393 * MSI-X multi-message interrupt vector association to interrupt attention
394 * conditions.
395 *
396 * Return codes
397 * 0 - Success
398 * -EINVAL - Failure
399 **/
400int
401lpfc_config_msi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
402{
04c68496 403 MAILBOX_t *mb = &pmb->u.mb;
9399627f
JS		 404 uint32_t attentionConditions[2];
405
406 /* Sanity check */
407 if (phba->cfg_use_msi != 2) {
408 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
409 "0475 Not configured for supporting MSI-X "
410 "cfg_use_msi: 0x%x\n", phba->cfg_use_msi);
411 return -EINVAL;
412 }
413
414 if (phba->sli_rev < 3) {
415 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
416 "0476 HBA not supporting SLI-3 or later "
417 "SLI Revision: 0x%x\n", phba->sli_rev);
418 return -EINVAL;
419 }
420
421 /* Clear mailbox command fields */
422 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
423
424 /*
425 * SLI-3, Message Signaled Interrupt Fearure.
426 */
427
428 /* Multi-message attention configuration */
429 attentionConditions[0] = (HA_R0ATT | HA_R1ATT | HA_R2ATT | HA_ERATT |
430 HA_LATT | HA_MBATT);
431 attentionConditions[1] = 0;
432
433 mb->un.varCfgMSI.attentionConditions[0] = attentionConditions[0];
434 mb->un.varCfgMSI.attentionConditions[1] = attentionConditions[1];
435
436 /*
437 * Set up message number to HA bit association
438 */
439#ifdef __BIG_ENDIAN_BITFIELD
440 /* RA0 (FCP Ring) */
441 mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS] = 1;
442 /* RA1 (Other Protocol Extra Ring) */
443 mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS] = 1;
444#else /* __LITTLE_ENDIAN_BITFIELD */
445 /* RA0 (FCP Ring) */
446 mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS^3] = 1;
447 /* RA1 (Other Protocol Extra Ring) */
448 mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS^3] = 1;
449#endif
450 /* Multi-message interrupt autoclear configuration*/
451 mb->un.varCfgMSI.autoClearHA[0] = attentionConditions[0];
452 mb->un.varCfgMSI.autoClearHA[1] = attentionConditions[1];
453
454 /* For now, HBA autoclear does not work reliably, disable it */
455 mb->un.varCfgMSI.autoClearHA[0] = 0;
456 mb->un.varCfgMSI.autoClearHA[1] = 0;
457
458 /* Set command and owner bit */
459 mb->mbxCommand = MBX_CONFIG_MSI;
460 mb->mbxOwner = OWN_HOST;
461
462 return 0;
463}
464
e59058c4 465/**
3621a710 466 * lpfc_init_link - Prepare a mailbox command for initialize link on a HBA
e59058c4
JS		 467 * @phba: pointer to lpfc hba data structure.
468 * @pmb: pointer to the driver internal queue element for mailbox command.
469 * @topology: the link topology for the link to be initialized to.
470 * @linkspeed: the link speed for the link to be initialized to.
471 *
472 * The initialize link mailbox command is used to initialize the Fibre
473 * Channel link. This command must follow a configure port command that
474 * establishes the mode of operation.
475 *
476 * This routine prepares the mailbox command for initializing link on a HBA
477 * with the specified link topology and speed.
478 **/
dea3101e
JB		 479void
480lpfc_init_link(struct lpfc_hba * phba,
481 LPFC_MBOXQ_t * pmb, uint32_t topology, uint32_t linkspeed)
482{
483 lpfc_vpd_t *vpd;
dea3101e
JB		 484 MAILBOX_t *mb;
485
04c68496 486 mb = &pmb->u.mb;
dea3101e
JB		 487 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
488
dea3101e
JB		 489 switch (topology) {
490 case FLAGS_TOPOLOGY_MODE_LOOP_PT:
491 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP;
492 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER;
493 break;
494 case FLAGS_TOPOLOGY_MODE_PT_PT:
495 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
496 break;
497 case FLAGS_TOPOLOGY_MODE_LOOP:
498 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP;
499 break;
500 case FLAGS_TOPOLOGY_MODE_PT_LOOP:
501 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
502 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER;
503 break;
367c2713
JW		 504 case FLAGS_LOCAL_LB:
505 mb->un.varInitLnk.link_flags = FLAGS_LOCAL_LB;
506 break;
dea3101e
JB		 507 }
508
d38dd52c
JS		 509 if (phba->pcidev->device == PCI_DEVICE_ID_LANCER_G6_FC &&
510 mb->un.varInitLnk.link_flags & FLAGS_TOPOLOGY_MODE_LOOP) {
511 /* Failover is not tried for Lancer G6 */
512 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
513 phba->cfg_topology = FLAGS_TOPOLOGY_MODE_PT_PT;
514 }
515
4b0b91d4
JS		 516 /* Enable asynchronous ABTS responses from firmware */
517 mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT;
518
dea3101e
JB		 519 /* NEW_FEATURE
520 * Setting up the link speed
521 */
522 vpd = &phba->vpd;
523 if (vpd->rev.feaLevelHigh >= 0x02){
92d7f7b0 524 switch(linkspeed){
76a95d75
JS		 525 case LPFC_USER_LINK_SPEED_1G:
526 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
527 mb->un.varInitLnk.link_speed = LINK_SPEED_1G;
528 break;
529 case LPFC_USER_LINK_SPEED_2G:
530 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
531 mb->un.varInitLnk.link_speed = LINK_SPEED_2G;
532 break;
533 case LPFC_USER_LINK_SPEED_4G:
534 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
535 mb->un.varInitLnk.link_speed = LINK_SPEED_4G;
536 break;
537 case LPFC_USER_LINK_SPEED_8G:
538 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
539 mb->un.varInitLnk.link_speed = LINK_SPEED_8G;
540 break;
541 case LPFC_USER_LINK_SPEED_10G:
542 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
543 mb->un.varInitLnk.link_speed = LINK_SPEED_10G;
544 break;
545 case LPFC_USER_LINK_SPEED_16G:
546 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
547 mb->un.varInitLnk.link_speed = LINK_SPEED_16G;
dea3101e 548 break;
d38dd52c
JS		 549 case LPFC_USER_LINK_SPEED_32G:
550 mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
551 mb->un.varInitLnk.link_speed = LINK_SPEED_32G;
552 break;
76a95d75
JS		 553 case LPFC_USER_LINK_SPEED_AUTO:
554 default:
555 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO;
dea3101e
JB		 556 break;
557 }
558
559 }
560 else
561 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO;
562
563 mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK;
564 mb->mbxOwner = OWN_HOST;
565 mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA;
566 return;
567}
568
e59058c4 569/**
3621a710 570 * lpfc_read_sparam - Prepare a mailbox command for reading HBA parameters
e59058c4
JS		 571 * @phba: pointer to lpfc hba data structure.
572 * @pmb: pointer to the driver internal queue element for mailbox command.
573 * @vpi: virtual N_Port identifier.
574 *
575 * The read service parameter mailbox command is used to read the HBA port
576 * service parameters. The service parameters are read into the buffer
577 * specified directly by a BDE in the mailbox command. These service
578 * parameters may then be used to build the payload of an N_Port/F_POrt
579 * login request and reply (LOGI/ACC).
580 *
581 * This routine prepares the mailbox command for reading HBA port service
582 * parameters. The DMA memory is allocated in this function and the addresses
583 * are populated into the mailbox command for the HBA to DMA the service
584 * parameters into.
585 *
586 * Return codes
587 * 0 - Success
588 * 1 - DMA memory allocation failed
589 **/
dea3101e 590int
92d7f7b0 591lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi)
dea3101e
JB		 592{
593 struct lpfc_dmabuf *mp;
594 MAILBOX_t *mb;
dea3101e 595
04c68496 596 mb = &pmb->u.mb;
dea3101e
JB		 597 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
598
599 mb->mbxOwner = OWN_HOST;
600
601 /* Get a buffer to hold the HBAs Service Parameters */
602
98c9ea5c
JS		 603 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
604 if (mp)
605 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
606 if (!mp || !mp->virt) {
c9475cb0 607 kfree(mp);
dea3101e
JB		 608 mb->mbxCommand = MBX_READ_SPARM64;
609 /* READ_SPARAM: no buffers */
e8b62011
JS		 610 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
611 "0301 READ_SPARAM: no buffers\n");
92d7f7b0 612 return (1);
dea3101e
JB		 613 }
614 INIT_LIST_HEAD(&mp->list);
615 mb->mbxCommand = MBX_READ_SPARM64;
616 mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
617 mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys);
618 mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys);
6d368e53
JS		 619 if (phba->sli_rev >= LPFC_SLI_REV3)
620 mb->un.varRdSparm.vpi = phba->vpi_ids[vpi];
dea3101e
JB		 621
622 /* save address for completion */
623 pmb->context1 = mp;
624
92d7f7b0 625 return (0);
dea3101e
JB		 626}
627
e59058c4 628/**
3621a710 629 * lpfc_unreg_did - Prepare a mailbox command for unregistering DID
e59058c4
JS		 630 * @phba: pointer to lpfc hba data structure.
631 * @vpi: virtual N_Port identifier.
632 * @did: remote port identifier.
633 * @pmb: pointer to the driver internal queue element for mailbox command.
634 *
635 * The unregister DID mailbox command is used to unregister an N_Port/F_Port
636 * login for an unknown RPI by specifying the DID of a remote port. This
637 * command frees an RPI context in the HBA port. This has the effect of
638 * performing an implicit N_Port/F_Port logout.
639 *
640 * This routine prepares the mailbox command for unregistering a remote
641 * N_Port/F_Port (DID) login.
642 **/
dea3101e 643void
92d7f7b0
JS		 644lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did,
645 LPFC_MBOXQ_t * pmb)
dea3101e
JB		 646{
647 MAILBOX_t *mb;
648
04c68496 649 mb = &pmb->u.mb;
dea3101e
JB		 650 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
651
652 mb->un.varUnregDID.did = did;
92d7f7b0 653 mb->un.varUnregDID.vpi = vpi;
6d368e53
JS		 654 if ((vpi != 0xffff) &&
655 (phba->sli_rev == LPFC_SLI_REV4))
656 mb->un.varUnregDID.vpi = phba->vpi_ids[vpi];
dea3101e
JB		 657
658 mb->mbxCommand = MBX_UNREG_D_ID;
659 mb->mbxOwner = OWN_HOST;
660 return;
661}
662
e59058c4 663/**
3621a710 664 * lpfc_read_config - Prepare a mailbox command for reading HBA configuration
e59058c4
JS		 665 * @phba: pointer to lpfc hba data structure.
666 * @pmb: pointer to the driver internal queue element for mailbox command.
667 *
668 * The read configuration mailbox command is used to read the HBA port
669 * configuration parameters. This mailbox command provides a method for
670 * seeing any parameters that may have changed via various configuration
671 * mailbox commands.
672 *
673 * This routine prepares the mailbox command for reading out HBA configuration
674 * parameters.
675 **/
dea3101e
JB		 676void
677lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
678{
679 MAILBOX_t *mb;
680
04c68496 681 mb = &pmb->u.mb;
dea3101e
JB		 682 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
683
684 mb->mbxCommand = MBX_READ_CONFIG;
685 mb->mbxOwner = OWN_HOST;
686 return;
687}
688
e59058c4 689/**
3621a710 690 * lpfc_read_lnk_stat - Prepare a mailbox command for reading HBA link stats
e59058c4
JS		 691 * @phba: pointer to lpfc hba data structure.
692 * @pmb: pointer to the driver internal queue element for mailbox command.
693 *
694 * The read link status mailbox command is used to read the link status from
695 * the HBA. Link status includes all link-related error counters. These
696 * counters are maintained by the HBA and originated in the link hardware
697 * unit. Note that all of these counters wrap.
698 *
699 * This routine prepares the mailbox command for reading out HBA link status.
700 **/
7bb3b137
JW		 701void
702lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
703{
704 MAILBOX_t *mb;
705
04c68496 706 mb = &pmb->u.mb;
7bb3b137
JW		 707 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
708
709 mb->mbxCommand = MBX_READ_LNK_STAT;
710 mb->mbxOwner = OWN_HOST;
711 return;
712}
713
e59058c4 714/**
04c68496 715 * lpfc_reg_rpi - Prepare a mailbox command for registering remote login
e59058c4
JS		 716 * @phba: pointer to lpfc hba data structure.
717 * @vpi: virtual N_Port identifier.
718 * @did: remote port identifier.
719 * @param: pointer to memory holding the server parameters.
720 * @pmb: pointer to the driver internal queue element for mailbox command.
4042629e 721 * @rpi: the rpi to use in the registration (usually only used for SLI4.
e59058c4
JS		 722 *
723 * The registration login mailbox command is used to register an N_Port or
724 * F_Port login. This registration allows the HBA to cache the remote N_Port
725 * service parameters internally and thereby make the appropriate FC-2
726 * decisions. The remote port service parameters are handed off by the driver
727 * to the HBA using a descriptor entry that directly identifies a buffer in
728 * host memory. In exchange, the HBA returns an RPI identifier.
729 *
730 * This routine prepares the mailbox command for registering remote port login.
731 * The function allocates DMA buffer for passing the service parameters to the
732 * HBA with the mailbox command.
733 *
734 * Return codes
735 * 0 - Success
736 * 1 - DMA memory allocation failed
737 **/
dea3101e 738int
04c68496 739lpfc_reg_rpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t did,
4042629e 740 uint8_t *param, LPFC_MBOXQ_t *pmb, uint16_t rpi)
dea3101e 741{
04c68496 742 MAILBOX_t *mb = &pmb->u.mb;
dea3101e
JB		 743 uint8_t *sparam;
744 struct lpfc_dmabuf *mp;
dea3101e 745
dea3101e
JB		 746 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
747
748 mb->un.varRegLogin.rpi = 0;
6d368e53
JS		 749 if (phba->sli_rev == LPFC_SLI_REV4)
750 mb->un.varRegLogin.rpi = phba->sli4_hba.rpi_ids[rpi];
751 if (phba->sli_rev >= LPFC_SLI_REV3)
752 mb->un.varRegLogin.vpi = phba->vpi_ids[vpi];
dea3101e 753 mb->un.varRegLogin.did = did;
dea3101e 754 mb->mbxOwner = OWN_HOST;
dea3101e 755 /* Get a buffer to hold NPorts Service Parameters */
98c9ea5c
JS		 756 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
757 if (mp)
758 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
759 if (!mp || !mp->virt) {
c9475cb0 760 kfree(mp);
dea3101e
JB		 761 mb->mbxCommand = MBX_REG_LOGIN64;
762 /* REG_LOGIN: no buffers */
92d7f7b0 763 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
e8b62011 764 "0302 REG_LOGIN: no buffers, VPI:%d DID:x%x, "
4042629e 765 "rpi x%x\n", vpi, did, rpi);
6d368e53 766 return 1;
dea3101e
JB		 767 }
768 INIT_LIST_HEAD(&mp->list);
769 sparam = mp->virt;
770
771 /* Copy param's into a new buffer */
772 memcpy(sparam, param, sizeof (struct serv_parm));
773
774 /* save address for completion */
775 pmb->context1 = (uint8_t *) mp;
776
777 mb->mbxCommand = MBX_REG_LOGIN64;
778 mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
779 mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys);
780 mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys);
781
6d368e53 782 return 0;
dea3101e
JB		 783}
784
e59058c4 785/**
3621a710 786 * lpfc_unreg_login - Prepare a mailbox command for unregistering remote login
e59058c4
JS		 787 * @phba: pointer to lpfc hba data structure.
788 * @vpi: virtual N_Port identifier.
789 * @rpi: remote port identifier
790 * @pmb: pointer to the driver internal queue element for mailbox command.
791 *
792 * The unregistration login mailbox command is used to unregister an N_Port
793 * or F_Port login. This command frees an RPI context in the HBA. It has the
794 * effect of performing an implicit N_Port/F_Port logout.
795 *
796 * This routine prepares the mailbox command for unregistering remote port
797 * login.
6d368e53
JS		 798 *
799 * For SLI4 ports, the rpi passed to this function must be the physical
800 * rpi value, not the logical index.
e59058c4 801 **/
dea3101e 802void
92d7f7b0
JS		 803lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi,
804 LPFC_MBOXQ_t * pmb)
dea3101e
JB		 805{
806 MAILBOX_t *mb;
807
04c68496 808 mb = &pmb->u.mb;
dea3101e
JB		 809 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
810
6d368e53 811 mb->un.varUnregLogin.rpi = rpi;
dea3101e 812 mb->un.varUnregLogin.rsvd1 = 0;
6d368e53
JS		 813 if (phba->sli_rev >= LPFC_SLI_REV3)
814 mb->un.varUnregLogin.vpi = phba->vpi_ids[vpi];
dea3101e
JB		 815
816 mb->mbxCommand = MBX_UNREG_LOGIN;
817 mb->mbxOwner = OWN_HOST;
04c68496 818
dea3101e
JB		 819 return;
820}
821
5af5eee7
JS		 822/**
823 * lpfc_sli4_unreg_all_rpis - unregister all RPIs for a vport on SLI4 HBA.
824 * @vport: pointer to a vport object.
825 *
826 * This routine sends mailbox command to unregister all active RPIs for
827 * a vport.
828 **/
829void
830lpfc_sli4_unreg_all_rpis(struct lpfc_vport *vport)
831{
832 struct lpfc_hba *phba = vport->phba;
833 LPFC_MBOXQ_t *mbox;
834 int rc;
835
836 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
837 if (mbox) {
6d368e53
JS		 838 /*
839 * For SLI4 functions, the rpi field is overloaded for
840 * the vport context unreg all. This routine passes
841 * 0 for the rpi field in lpfc_unreg_login for compatibility
842 * with SLI3 and then overrides the rpi field with the
843 * expected value for SLI4.
844 */
845 lpfc_unreg_login(phba, vport->vpi, phba->vpi_ids[vport->vpi],
846 mbox);
847 mbox->u.mb.un.varUnregLogin.rsvd1 = 0x4000;
5af5eee7
JS		 848 mbox->vport = vport;
849 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
850 mbox->context1 = NULL;
851 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
852 if (rc == MBX_NOT_FINISHED)
853 mempool_free(mbox, phba->mbox_mem_pool);
854 }
855}
856
e59058c4 857/**
3621a710 858 * lpfc_reg_vpi - Prepare a mailbox command for registering vport identifier
e59058c4
JS		 859 * @phba: pointer to lpfc hba data structure.
860 * @vpi: virtual N_Port identifier.
861 * @sid: Fibre Channel S_ID (N_Port_ID assigned to a virtual N_Port).
862 * @pmb: pointer to the driver internal queue element for mailbox command.
863 *
864 * The registration vport identifier mailbox command is used to activate a
865 * virtual N_Port after it has acquired an N_Port_ID. The HBA validates the
866 * N_Port_ID against the information in the selected virtual N_Port context
867 * block and marks it active to allow normal processing of IOCB commands and
868 * received unsolicited exchanges.
869 *
870 * This routine prepares the mailbox command for registering a virtual N_Port.
871 **/
92d7f7b0 872void
04c68496 873lpfc_reg_vpi(struct lpfc_vport *vport, LPFC_MBOXQ_t *pmb)
92d7f7b0 874{
04c68496 875 MAILBOX_t *mb = &pmb->u.mb;
38b92ef8 876 struct lpfc_hba *phba = vport->phba;
92d7f7b0
JS		 877
878 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
38b92ef8
JS		 879 /*
880 * Set the re-reg VPI bit for f/w to update the MAC address.
881 */
882 if ((phba->sli_rev == LPFC_SLI_REV4) &&
883 !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI))
884 mb->un.varRegVpi.upd = 1;
6d368e53
JS		 885
886 mb->un.varRegVpi.vpi = phba->vpi_ids[vport->vpi];
04c68496 887 mb->un.varRegVpi.sid = vport->fc_myDID;
6d368e53
JS		 888 if (phba->sli_rev == LPFC_SLI_REV4)
889 mb->un.varRegVpi.vfi = phba->sli4_hba.vfi_ids[vport->vfi];
890 else
891 mb->un.varRegVpi.vfi = vport->vfi + vport->phba->vfi_base;
c868595d
JS		 892 memcpy(mb->un.varRegVpi.wwn, &vport->fc_portname,
893 sizeof(struct lpfc_name));
894 mb->un.varRegVpi.wwn[0] = cpu_to_le32(mb->un.varRegVpi.wwn[0]);
895 mb->un.varRegVpi.wwn[1] = cpu_to_le32(mb->un.varRegVpi.wwn[1]);
92d7f7b0
JS		 896
897 mb->mbxCommand = MBX_REG_VPI;
898 mb->mbxOwner = OWN_HOST;
899 return;
900
901}
902
e59058c4 903/**
3621a710 904 * lpfc_unreg_vpi - Prepare a mailbox command for unregistering vport id
e59058c4
JS		 905 * @phba: pointer to lpfc hba data structure.
906 * @vpi: virtual N_Port identifier.
907 * @pmb: pointer to the driver internal queue element for mailbox command.
908 *
909 * The unregistration vport identifier mailbox command is used to inactivate
910 * a virtual N_Port. The driver must have logged out and unregistered all
911 * remote N_Ports to abort any activity on the virtual N_Port. The HBA will
912 * unregisters any default RPIs associated with the specified vpi, aborting
913 * any active exchanges. The HBA will post the mailbox response after making
914 * the virtual N_Port inactive.
915 *
916 * This routine prepares the mailbox command for unregistering a virtual
917 * N_Port.
918 **/
92d7f7b0
JS		 919void
920lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb)
921{
04c68496 922 MAILBOX_t *mb = &pmb->u.mb;
92d7f7b0
JS		 923 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
924
6d368e53
JS		 925 if (phba->sli_rev == LPFC_SLI_REV3)
926 mb->un.varUnregVpi.vpi = phba->vpi_ids[vpi];
927 else if (phba->sli_rev >= LPFC_SLI_REV4)
928 mb->un.varUnregVpi.sli4_vpi = phba->vpi_ids[vpi];
92d7f7b0
JS		 929
930 mb->mbxCommand = MBX_UNREG_VPI;
931 mb->mbxOwner = OWN_HOST;
932 return;
933
934}
935
e59058c4 936/**
3621a710 937 * lpfc_config_pcb_setup - Set up IOCB rings in the Port Control Block (PCB)
e59058c4
JS		 938 * @phba: pointer to lpfc hba data structure.
939 *
940 * This routine sets up and initializes the IOCB rings in the Port Control
941 * Block (PCB).
942 **/
dea3101e
JB		 943static void
944lpfc_config_pcb_setup(struct lpfc_hba * phba)
945{
946 struct lpfc_sli *psli = &phba->sli;
947 struct lpfc_sli_ring *pring;
34b02dcd 948 PCB_t *pcbp = phba->pcb;
dea3101e
JB		 949 dma_addr_t pdma_addr;
950 uint32_t offset;
2e0fef85 951 uint32_t iocbCnt = 0;
dea3101e
JB		 952 int i;
953
dea3101e
JB		 954 pcbp->maxRing = (psli->num_rings - 1);
955
dea3101e
JB		 956 for (i = 0; i < psli->num_rings; i++) {
957 pring = &psli->ring[i];
2e0fef85 958
7e56aa25
JS		 959 pring->sli.sli3.sizeCiocb =
960 phba->sli_rev == 3 ? SLI3_IOCB_CMD_SIZE :
92d7f7b0 961 SLI2_IOCB_CMD_SIZE;
7e56aa25
JS		 962 pring->sli.sli3.sizeRiocb =
963 phba->sli_rev == 3 ? SLI3_IOCB_RSP_SIZE :
92d7f7b0 964 SLI2_IOCB_RSP_SIZE;
dea3101e
JB		 965 /* A ring MUST have both cmd and rsp entries defined to be
966 valid */
7e56aa25
JS		 967 if ((pring->sli.sli3.numCiocb == 0) ||
968 (pring->sli.sli3.numRiocb == 0)) {
dea3101e
JB		 969 pcbp->rdsc[i].cmdEntries = 0;
970 pcbp->rdsc[i].rspEntries = 0;
971 pcbp->rdsc[i].cmdAddrHigh = 0;
972 pcbp->rdsc[i].rspAddrHigh = 0;
973 pcbp->rdsc[i].cmdAddrLow = 0;
974 pcbp->rdsc[i].rspAddrLow = 0;
7e56aa25
JS		 975 pring->sli.sli3.cmdringaddr = NULL;
976 pring->sli.sli3.rspringaddr = NULL;
dea3101e
JB		 977 continue;
978 }
979 /* Command ring setup for ring */
7e56aa25
JS		 980 pring->sli.sli3.cmdringaddr = (void *)&phba->IOCBs[iocbCnt];
981 pcbp->rdsc[i].cmdEntries = pring->sli.sli3.numCiocb;
dea3101e 982
34b02dcd
JS		 983 offset = (uint8_t *) &phba->IOCBs[iocbCnt] -
984 (uint8_t *) phba->slim2p.virt;
985 pdma_addr = phba->slim2p.phys + offset;
dea3101e
JB		 986 pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr);
987 pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr);
7e56aa25 988 iocbCnt += pring->sli.sli3.numCiocb;
dea3101e
JB		 989
990 /* Response ring setup for ring */
7e56aa25 991 pring->sli.sli3.rspringaddr = (void *) &phba->IOCBs[iocbCnt];
dea3101e 992
7e56aa25 993 pcbp->rdsc[i].rspEntries = pring->sli.sli3.numRiocb;
34b02dcd
JS		 994 offset = (uint8_t *)&phba->IOCBs[iocbCnt] -
995 (uint8_t *)phba->slim2p.virt;
996 pdma_addr = phba->slim2p.phys + offset;
dea3101e
JB		 997 pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr);
998 pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr);
7e56aa25 999 iocbCnt += pring->sli.sli3.numRiocb;
dea3101e
JB		 1000 }
1001}
1002
e59058c4 1003/**
3621a710 1004 * lpfc_read_rev - Prepare a mailbox command for reading HBA revision
e59058c4
JS		 1005 * @phba: pointer to lpfc hba data structure.
1006 * @pmb: pointer to the driver internal queue element for mailbox command.
1007 *
1008 * The read revision mailbox command is used to read the revision levels of
1009 * the HBA components. These components include hardware units, resident
1010 * firmware, and available firmware. HBAs that supports SLI-3 mode of
1011 * operation provide different response information depending on the version
1012 * requested by the driver.
1013 *
1014 * This routine prepares the mailbox command for reading HBA revision
1015 * information.
1016 **/
dea3101e
JB		 1017void
1018lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
1019{
04c68496 1020 MAILBOX_t *mb = &pmb->u.mb;
dea3101e
JB		 1021 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
1022 mb->un.varRdRev.cv = 1;
ed957684 1023 mb->un.varRdRev.v3req = 1; /* Request SLI3 info */
dea3101e
JB		 1024 mb->mbxCommand = MBX_READ_REV;
1025 mb->mbxOwner = OWN_HOST;
1026 return;
1027}
1028
d7c47992
JS		 1029void
1030lpfc_sli4_swap_str(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
1031{
1032 MAILBOX_t *mb = &pmb->u.mb;
1033 struct lpfc_mqe *mqe;
1034
1035 switch (mb->mbxCommand) {
1036 case MBX_READ_REV:
1037 mqe = &pmb->u.mqe;
1038 lpfc_sli_pcimem_bcopy(mqe->un.read_rev.fw_name,
1039 mqe->un.read_rev.fw_name, 16);
1040 lpfc_sli_pcimem_bcopy(mqe->un.read_rev.ulp_fw_name,
1041 mqe->un.read_rev.ulp_fw_name, 16);
1042 break;
1043 default:
1044 break;
1045 }
1046 return;
1047}
1048
e59058c4 1049/**
3621a710 1050 * lpfc_build_hbq_profile2 - Set up the HBQ Selection Profile 2
e59058c4
JS		 1051 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
1052 * @hbq_desc: pointer to the HBQ selection profile descriptor.
1053 *
1054 * The Host Buffer Queue (HBQ) Selection Profile 2 specifies that the HBA
1055 * tests the incoming frames' R_CTL/TYPE fields with works 10:15 and performs
1056 * the Sequence Length Test using the fields in the Selection Profile 2
1057 * extension in words 20:31.
1058 **/
ed957684
JS		 1059static void
1060lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb,
1061 struct lpfc_hbq_init *hbq_desc)
1062{
1063 hbqmb->profiles.profile2.seqlenbcnt = hbq_desc->seqlenbcnt;
1064 hbqmb->profiles.profile2.maxlen = hbq_desc->maxlen;
1065 hbqmb->profiles.profile2.seqlenoff = hbq_desc->seqlenoff;
1066}
1067
e59058c4 1068/**
3621a710 1069 * lpfc_build_hbq_profile3 - Set up the HBQ Selection Profile 3
e59058c4
JS		 1070 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
1071 * @hbq_desc: pointer to the HBQ selection profile descriptor.
1072 *
1073 * The Host Buffer Queue (HBQ) Selection Profile 3 specifies that the HBA
1074 * tests the incoming frame's R_CTL/TYPE fields with words 10:15 and performs
1075 * the Sequence Length Test and Byte Field Test using the fields in the
1076 * Selection Profile 3 extension in words 20:31.
1077 **/
ed957684
JS		 1078static void
1079lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb,
1080 struct lpfc_hbq_init *hbq_desc)
1081{
1082 hbqmb->profiles.profile3.seqlenbcnt = hbq_desc->seqlenbcnt;
1083 hbqmb->profiles.profile3.maxlen = hbq_desc->maxlen;
1084 hbqmb->profiles.profile3.cmdcodeoff = hbq_desc->cmdcodeoff;
1085 hbqmb->profiles.profile3.seqlenoff = hbq_desc->seqlenoff;
1086 memcpy(&hbqmb->profiles.profile3.cmdmatch, hbq_desc->cmdmatch,
1087 sizeof(hbqmb->profiles.profile3.cmdmatch));
1088}
1089
e59058c4 1090/**
3621a710 1091 * lpfc_build_hbq_profile5 - Set up the HBQ Selection Profile 5
e59058c4
JS		 1092 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
1093 * @hbq_desc: pointer to the HBQ selection profile descriptor.
1094 *
1095 * The Host Buffer Queue (HBQ) Selection Profile 5 specifies a header HBQ. The
1096 * HBA tests the initial frame of an incoming sequence using the frame's
1097 * R_CTL/TYPE fields with words 10:15 and performs the Sequence Length Test
1098 * and Byte Field Test using the fields in the Selection Profile 5 extension
1099 * words 20:31.
1100 **/
ed957684
JS		 1101static void
1102lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb,
1103 struct lpfc_hbq_init *hbq_desc)
1104{
1105 hbqmb->profiles.profile5.seqlenbcnt = hbq_desc->seqlenbcnt;
1106 hbqmb->profiles.profile5.maxlen = hbq_desc->maxlen;
1107 hbqmb->profiles.profile5.cmdcodeoff = hbq_desc->cmdcodeoff;
1108 hbqmb->profiles.profile5.seqlenoff = hbq_desc->seqlenoff;
1109 memcpy(&hbqmb->profiles.profile5.cmdmatch, hbq_desc->cmdmatch,
1110 sizeof(hbqmb->profiles.profile5.cmdmatch));
1111}
1112
e59058c4 1113/**
3621a710 1114 * lpfc_config_hbq - Prepare a mailbox command for configuring an HBQ
e59058c4
JS		 1115 * @phba: pointer to lpfc hba data structure.
1116 * @id: HBQ identifier.
1117 * @hbq_desc: pointer to the HBA descriptor data structure.
1118 * @hbq_entry_index: index of the HBQ entry data structures.
1119 * @pmb: pointer to the driver internal queue element for mailbox command.
1120 *
1121 * The configure HBQ (Host Buffer Queue) mailbox command is used to configure
1122 * an HBQ. The configuration binds events that require buffers to a particular
1123 * ring and HBQ based on a selection profile.
1124 *
1125 * This routine prepares the mailbox command for configuring an HBQ.
1126 **/
ed957684 1127void
51ef4c26
JS		 1128lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id,
1129 struct lpfc_hbq_init *hbq_desc,
ed957684
JS		 1130 uint32_t hbq_entry_index, LPFC_MBOXQ_t *pmb)
1131{
1132 int i;
04c68496 1133 MAILBOX_t *mb = &pmb->u.mb;
ed957684
JS		 1134 struct config_hbq_var *hbqmb = &mb->un.varCfgHbq;
1135
1136 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
51ef4c26 1137 hbqmb->hbqId = id;
ed957684
JS		 1138 hbqmb->entry_count = hbq_desc->entry_count; /* # entries in HBQ */
1139 hbqmb->recvNotify = hbq_desc->rn; /* Receive
1140 * Notification */
1141 hbqmb->numMask = hbq_desc->mask_count; /* # R_CTL/TYPE masks
1142 * # in words 0-19 */
92d7f7b0 1143 hbqmb->profile = hbq_desc->profile; /* Selection profile:
ed957684
JS		 1144 * 0 = all,
1145 * 7 = logentry */
1146 hbqmb->ringMask = hbq_desc->ring_mask; /* Binds HBQ to a ring
1147 * e.g. Ring0=b0001,
1148 * ring2=b0100 */
1149 hbqmb->headerLen = hbq_desc->headerLen; /* 0 if not profile 4
1150 * or 5 */
1151 hbqmb->logEntry = hbq_desc->logEntry; /* Set to 1 if this
1152 * HBQ will be used
1153 * for LogEntry
1154 * buffers */
1155 hbqmb->hbqaddrLow = putPaddrLow(phba->hbqslimp.phys) +
1156 hbq_entry_index * sizeof(struct lpfc_hbq_entry);
1157 hbqmb->hbqaddrHigh = putPaddrHigh(phba->hbqslimp.phys);
1158
1159 mb->mbxCommand = MBX_CONFIG_HBQ;
1160 mb->mbxOwner = OWN_HOST;
1161
92d7f7b0
JS		 1162 /* Copy info for profiles 2,3,5. Other
1163 * profiles this area is reserved
1164 */
ed957684
JS		 1165 if (hbq_desc->profile == 2)
1166 lpfc_build_hbq_profile2(hbqmb, hbq_desc);
1167 else if (hbq_desc->profile == 3)
1168 lpfc_build_hbq_profile3(hbqmb, hbq_desc);
1169 else if (hbq_desc->profile == 5)
1170 lpfc_build_hbq_profile5(hbqmb, hbq_desc);
1171
1172 /* Return if no rctl / type masks for this HBQ */
1173 if (!hbq_desc->mask_count)
1174 return;
1175
1176 /* Otherwise we setup specific rctl / type masks for this HBQ */
1177 for (i = 0; i < hbq_desc->mask_count; i++) {
1178 hbqmb->hbqMasks[i].tmatch = hbq_desc->hbqMasks[i].tmatch;
1179 hbqmb->hbqMasks[i].tmask = hbq_desc->hbqMasks[i].tmask;
1180 hbqmb->hbqMasks[i].rctlmatch = hbq_desc->hbqMasks[i].rctlmatch;
1181 hbqmb->hbqMasks[i].rctlmask = hbq_desc->hbqMasks[i].rctlmask;
1182 }
1183
1184 return;
1185}
1186
e59058c4 1187/**
3621a710 1188 * lpfc_config_ring - Prepare a mailbox command for configuring an IOCB ring
e59058c4
JS		 1189 * @phba: pointer to lpfc hba data structure.
1190 * @ring:
1191 * @pmb: pointer to the driver internal queue element for mailbox command.
1192 *
1193 * The configure ring mailbox command is used to configure an IOCB ring. This
1194 * configuration binds from one to six of HBA RC_CTL/TYPE mask entries to the
1195 * ring. This is used to map incoming sequences to a particular ring whose
1196 * RC_CTL/TYPE mask entry matches that of the sequence. The driver should not
1197 * attempt to configure a ring whose number is greater than the number
1198 * specified in the Port Control Block (PCB). It is an error to issue the
1199 * configure ring command more than once with the same ring number. The HBA
1200 * returns an error if the driver attempts this.
1201 *
1202 * This routine prepares the mailbox command for configuring IOCB ring.
1203 **/
dea3101e
JB		 1204void
1205lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb)
1206{
1207 int i;
04c68496 1208 MAILBOX_t *mb = &pmb->u.mb;
dea3101e
JB		 1209 struct lpfc_sli *psli;
1210 struct lpfc_sli_ring *pring;
1211
1212 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
1213
1214 mb->un.varCfgRing.ring = ring;
1215 mb->un.varCfgRing.maxOrigXchg = 0;
1216 mb->un.varCfgRing.maxRespXchg = 0;
1217 mb->un.varCfgRing.recvNotify = 1;
1218
1219 psli = &phba->sli;
1220 pring = &psli->ring[ring];
1221 mb->un.varCfgRing.numMask = pring->num_mask;
1222 mb->mbxCommand = MBX_CONFIG_RING;
1223 mb->mbxOwner = OWN_HOST;
1224
1225 /* Is this ring configured for a specific profile */
1226 if (pring->prt[0].profile) {
1227 mb->un.varCfgRing.profile = pring->prt[0].profile;
1228 return;
1229 }
1230
1231 /* Otherwise we setup specific rctl / type masks for this ring */
1232 for (i = 0; i < pring->num_mask; i++) {
1233 mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl;
6a9c52cf 1234 if (mb->un.varCfgRing.rrRegs[i].rval != FC_RCTL_ELS_REQ)
dea3101e
JB		 1235 mb->un.varCfgRing.rrRegs[i].rmask = 0xff;
1236 else
1237 mb->un.varCfgRing.rrRegs[i].rmask = 0xfe;
1238 mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type;
1239 mb->un.varCfgRing.rrRegs[i].tmask = 0xff;
1240 }
1241
1242 return;
1243}
1244
e59058c4 1245/**
3621a710 1246 * lpfc_config_port - Prepare a mailbox command for configuring port
e59058c4
JS		 1247 * @phba: pointer to lpfc hba data structure.
1248 * @pmb: pointer to the driver internal queue element for mailbox command.
1249 *
1250 * The configure port mailbox command is used to identify the Port Control
1251 * Block (PCB) in the driver memory. After this command is issued, the
1252 * driver must not access the mailbox in the HBA without first resetting
1253 * the HBA. The HBA may copy the PCB information to internal storage for
1254 * subsequent use; the driver can not change the PCB information unless it
1255 * resets the HBA.
1256 *
1257 * This routine prepares the mailbox command for configuring port.
1258 **/
dea3101e 1259void
92d7f7b0 1260lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
dea3101e 1261{
ed957684 1262 MAILBOX_t __iomem *mb_slim = (MAILBOX_t __iomem *) phba->MBslimaddr;
04c68496 1263 MAILBOX_t *mb = &pmb->u.mb;
dea3101e
JB		 1264 dma_addr_t pdma_addr;
1265 uint32_t bar_low, bar_high;
1266 size_t offset;
4cc2da1d 1267 struct lpfc_hgp hgp;
f91b392c 1268 int i;
ed957684 1269 uint32_t pgp_offset;
dea3101e
JB		 1270
1271 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
1272 mb->mbxCommand = MBX_CONFIG_PORT;
1273 mb->mbxOwner = OWN_HOST;
1274
1275 mb->un.varCfgPort.pcbLen = sizeof(PCB_t);
1276
34b02dcd
JS		 1277 offset = (uint8_t *)phba->pcb - (uint8_t *)phba->slim2p.virt;
1278 pdma_addr = phba->slim2p.phys + offset;
dea3101e
JB		 1279 mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr);
1280 mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr);
1281
97207482
JS		 1282 /* Always Host Group Pointer is in SLIM */
1283 mb->un.varCfgPort.hps = 1;
1284
ed957684
JS		 1285 /* If HBA supports SLI=3 ask for it */
1286
04c68496 1287 if (phba->sli_rev == LPFC_SLI_REV3 && phba->vpd.sli3Feat.cerbm) {
e2a0a9d6
JS		 1288 if (phba->cfg_enable_bg)
1289 mb->un.varCfgPort.cbg = 1; /* configure BlockGuard */
ab56dc2e
JS		 1290 if (phba->cfg_enable_dss)
1291 mb->un.varCfgPort.cdss = 1; /* Configure Security */
ed957684 1292 mb->un.varCfgPort.cerbm = 1; /* Request HBQs */
34b02dcd 1293 mb->un.varCfgPort.ccrp = 1; /* Command Ring Polling */
51ef4c26 1294 mb->un.varCfgPort.max_hbq = lpfc_sli_hbq_count();
78b2d852 1295 if (phba->max_vpi && phba->cfg_enable_npiv &&
92d7f7b0 1296 phba->vpd.sli3Feat.cmv) {
04c68496 1297 mb->un.varCfgPort.max_vpi = LPFC_MAX_VPI;
92d7f7b0 1298 mb->un.varCfgPort.cmv = 1;
92d7f7b0
JS		 1299 } else
1300 mb->un.varCfgPort.max_vpi = phba->max_vpi = 0;
1301 } else
04c68496 1302 phba->sli_rev = LPFC_SLI_REV2;
92d7f7b0 1303 mb->un.varCfgPort.sli_mode = phba->sli_rev;
ed957684 1304
cb69f7de
JS		 1305 /* If this is an SLI3 port, configure async status notification. */
1306 if (phba->sli_rev == LPFC_SLI_REV3)
1307 mb->un.varCfgPort.casabt = 1;
1308
dea3101e 1309 /* Now setup pcb */
34b02dcd
JS		 1310 phba->pcb->type = TYPE_NATIVE_SLI2;
1311 phba->pcb->feature = FEATURE_INITIAL_SLI2;
dea3101e
JB		 1312
1313 /* Setup Mailbox pointers */
7a470277 1314 phba->pcb->mailBoxSize = sizeof(MAILBOX_t) + MAILBOX_EXT_SIZE;
34b02dcd
JS		 1315 offset = (uint8_t *)phba->mbox - (uint8_t *)phba->slim2p.virt;
1316 pdma_addr = phba->slim2p.phys + offset;
1317 phba->pcb->mbAddrHigh = putPaddrHigh(pdma_addr);
1318 phba->pcb->mbAddrLow = putPaddrLow(pdma_addr);
dea3101e
JB		 1319
1320 /*
1321 * Setup Host Group ring pointer.
1322 *
1323 * For efficiency reasons, the ring get/put pointers can be
1324 * placed in adapter memory (SLIM) rather than in host memory.
1325 * This allows firmware to avoid PCI reads/writes when updating
1326 * and checking pointers.
1327 *
1328 * The firmware recognizes the use of SLIM memory by comparing
1329 * the address of the get/put pointers structure with that of
1330 * the SLIM BAR (BAR0).
1331 *
1332 * Caution: be sure to use the PCI config space value of BAR0/BAR1
1333 * (the hardware's view of the base address), not the OS's
1334 * value of pci_resource_start() as the OS value may be a cookie
1335 * for ioremap/iomap.
1336 */
1337
1338
1339 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low);
1340 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high);
1341
ed957684
JS		 1342 /*
1343 * Set up HGP - Port Memory
1344 *
1345 * The port expects the host get/put pointers to reside in memory
1346 * following the "non-diagnostic" mode mailbox (32 words, 0x80 bytes)
1347 * area of SLIM. In SLI-2 mode, there's an additional 16 reserved
1348 * words (0x40 bytes). This area is not reserved if HBQs are
1349 * configured in SLI-3.
1350 *
1351 * CR0Put - SLI2(no HBQs) = 0xc0, With HBQs = 0x80
1352 * RR0Get 0xc4 0x84
1353 * CR1Put 0xc8 0x88
1354 * RR1Get 0xcc 0x8c
1355 * CR2Put 0xd0 0x90
1356 * RR2Get 0xd4 0x94
1357 * CR3Put 0xd8 0x98
1358 * RR3Get 0xdc 0x9c
1359 *
1360 * Reserved 0xa0-0xbf
1361 * If HBQs configured:
1362 * HBQ 0 Put ptr 0xc0
1363 * HBQ 1 Put ptr 0xc4
1364 * HBQ 2 Put ptr 0xc8
1365 * ......
1366 * HBQ(M-1)Put Pointer 0xc0+(M-1)*4
1367 *
1368 */
1369
7a470277
JS		 1370 if (phba->cfg_hostmem_hgp && phba->sli_rev != 3) {
1371 phba->host_gp = &phba->mbox->us.s2.host[0];
ed957684 1372 phba->hbq_put = NULL;
7a470277
JS		 1373 offset = (uint8_t *)&phba->mbox->us.s2.host -
1374 (uint8_t *)phba->slim2p.virt;
1375 pdma_addr = phba->slim2p.phys + offset;
1376 phba->pcb->hgpAddrHigh = putPaddrHigh(pdma_addr);
1377 phba->pcb->hgpAddrLow = putPaddrLow(pdma_addr);
1378 } else {
1379 /* Always Host Group Pointer is in SLIM */
1380 mb->un.varCfgPort.hps = 1;
1381
1382 if (phba->sli_rev == 3) {
1383 phba->host_gp = &mb_slim->us.s3.host[0];
1384 phba->hbq_put = &mb_slim->us.s3.hbq_put[0];
1385 } else {
1386 phba->host_gp = &mb_slim->us.s2.host[0];
1387 phba->hbq_put = NULL;
1388 }
dea3101e 1389
7a470277
JS		 1390 /* mask off BAR0's flag bits 0 - 3 */
1391 phba->pcb->hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
1392 (void __iomem *)phba->host_gp -
1393 (void __iomem *)phba->MBslimaddr;
1394 if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64)
1395 phba->pcb->hgpAddrHigh = bar_high;
1396 else
1397 phba->pcb->hgpAddrHigh = 0;
1398 /* write HGP data to SLIM at the required longword offset */
1399 memset(&hgp, 0, sizeof(struct lpfc_hgp));
f91b392c 1400
7a470277
JS		 1401 for (i = 0; i < phba->sli.num_rings; i++) {
1402 lpfc_memcpy_to_slim(phba->host_gp + i, &hgp,
ed957684 1403 sizeof(*phba->host_gp));
7a470277 1404 }
f91b392c 1405 }
dea3101e 1406
8f34f4ce
JS		 1407 /* Setup Port Group offset */
1408 if (phba->sli_rev == 3)
34b02dcd
JS		 1409 pgp_offset = offsetof(struct lpfc_sli2_slim,
1410 mbx.us.s3_pgp.port);
8f34f4ce 1411 else
34b02dcd
JS		 1412 pgp_offset = offsetof(struct lpfc_sli2_slim, mbx.us.s2.port);
1413 pdma_addr = phba->slim2p.phys + pgp_offset;
1414 phba->pcb->pgpAddrHigh = putPaddrHigh(pdma_addr);
1415 phba->pcb->pgpAddrLow = putPaddrLow(pdma_addr);
dea3101e
JB		 1416
1417 /* Use callback routine to setp rings in the pcb */
1418 lpfc_config_pcb_setup(phba);
1419
1420 /* special handling for LC HBAs */
1421 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
1422 uint32_t hbainit[5];
1423
1424 lpfc_hba_init(phba, hbainit);
1425
1426 memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20);
1427 }
1428
1429 /* Swap PCB if needed */
34b02dcd 1430 lpfc_sli_pcimem_bcopy(phba->pcb, phba->pcb, sizeof(PCB_t));
dea3101e
JB		 1431}
1432
e59058c4 1433/**
3621a710 1434 * lpfc_kill_board - Prepare a mailbox command for killing board
e59058c4
JS		 1435 * @phba: pointer to lpfc hba data structure.
1436 * @pmb: pointer to the driver internal queue element for mailbox command.
1437 *
1438 * The kill board mailbox command is used to tell firmware to perform a
1439 * graceful shutdown of a channel on a specified board to prepare for reset.
1440 * When the kill board mailbox command is received, the ER3 bit is set to 1
1441 * in the Host Status register and the ER Attention bit is set to 1 in the
1442 * Host Attention register of the HBA function that received the kill board
1443 * command.
1444 *
1445 * This routine prepares the mailbox command for killing the board in
1446 * preparation for a graceful shutdown.
1447 **/
41415862
JW		 1448void
1449lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
1450{
04c68496 1451 MAILBOX_t *mb = &pmb->u.mb;
41415862
JW		 1452
1453 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
1454 mb->mbxCommand = MBX_KILL_BOARD;
1455 mb->mbxOwner = OWN_HOST;
1456 return;
1457}
1458
e59058c4 1459/**
3621a710 1460 * lpfc_mbox_put - Put a mailbox cmd into the tail of driver's mailbox queue
e59058c4
JS		 1461 * @phba: pointer to lpfc hba data structure.
1462 * @mbq: pointer to the driver internal queue element for mailbox command.
1463 *
1464 * Driver maintains a internal mailbox command queue implemented as a linked
1465 * list. When a mailbox command is issued, it shall be put into the mailbox
1466 * command queue such that they shall be processed orderly as HBA can process
1467 * one mailbox command at a time.
1468 **/
dea3101e
JB		 1469void
1470lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
1471{
1472 struct lpfc_sli *psli;
1473
1474 psli = &phba->sli;
1475
1476 list_add_tail(&mbq->list, &psli->mboxq);
1477
1478 psli->mboxq_cnt++;
1479
1480 return;
1481}
1482
e59058c4 1483/**
3621a710 1484 * lpfc_mbox_get - Remove a mailbox cmd from the head of driver's mailbox queue
e59058c4
JS		 1485 * @phba: pointer to lpfc hba data structure.
1486 *
1487 * Driver maintains a internal mailbox command queue implemented as a linked
1488 * list. When a mailbox command is issued, it shall be put into the mailbox
1489 * command queue such that they shall be processed orderly as HBA can process
1490 * one mailbox command at a time. After HBA finished processing a mailbox
1491 * command, the driver will remove a pending mailbox command from the head of
1492 * the mailbox command queue and send to the HBA for processing.
1493 *
1494 * Return codes
1495 * pointer to the driver internal queue element for mailbox command.
1496 **/
dea3101e
JB		 1497LPFC_MBOXQ_t *
1498lpfc_mbox_get(struct lpfc_hba * phba)
1499{
1500 LPFC_MBOXQ_t *mbq = NULL;
1501 struct lpfc_sli *psli = &phba->sli;
1502
2e0fef85 1503 list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t, list);
92d7f7b0 1504 if (mbq)
dea3101e 1505 psli->mboxq_cnt--;
dea3101e
JB		 1506
1507 return mbq;
1508}
a309a6b6 1509
04c68496
JS		 1510/**
1511 * __lpfc_mbox_cmpl_put - Put mailbox cmd into mailbox cmd complete list
1512 * @phba: pointer to lpfc hba data structure.
1513 * @mbq: pointer to the driver internal queue element for mailbox command.
1514 *
1515 * This routine put the completed mailbox command into the mailbox command
1516 * complete list. This is the unlocked version of the routine. The mailbox
1517 * complete list is used by the driver worker thread to process mailbox
1518 * complete callback functions outside the driver interrupt handler.
1519 **/
1520void
1521__lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq)
1522{
1523 list_add_tail(&mbq->list, &phba->sli.mboxq_cmpl);
1524}
1525
e59058c4 1526/**
3621a710 1527 * lpfc_mbox_cmpl_put - Put mailbox command into mailbox command complete list
e59058c4
JS		 1528 * @phba: pointer to lpfc hba data structure.
1529 * @mbq: pointer to the driver internal queue element for mailbox command.
1530 *
1531 * This routine put the completed mailbox command into the mailbox command
04c68496
JS		 1532 * complete list. This is the locked version of the routine. The mailbox
1533 * complete list is used by the driver worker thread to process mailbox
1534 * complete callback functions outside the driver interrupt handler.
e59058c4 1535 **/
92d7f7b0 1536void
04c68496 1537lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq)
92d7f7b0 1538{
5b75da2f
JS		 1539 unsigned long iflag;
1540
b1c11812 1541 /* This function expects to be called from interrupt context */
5b75da2f 1542 spin_lock_irqsave(&phba->hbalock, iflag);
04c68496 1543 __lpfc_mbox_cmpl_put(phba, mbq);
5b75da2f 1544 spin_unlock_irqrestore(&phba->hbalock, iflag);
92d7f7b0
JS		 1545 return;
1546}
1547
04c68496
JS		 1548/**
1549 * lpfc_mbox_cmd_check - Check the validality of a mailbox command
1550 * @phba: pointer to lpfc hba data structure.
1551 * @mboxq: pointer to the driver internal queue element for mailbox command.
1552 *
1553 * This routine is to check whether a mailbox command is valid to be issued.
1554 * This check will be performed by both the mailbox issue API when a client
1555 * is to issue a mailbox command to the mailbox transport.
1556 *
1557 * Return 0 - pass the check, -ENODEV - fail the check
1558 **/
1559int
1560lpfc_mbox_cmd_check(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
1561{
1562 /* Mailbox command that have a completion handler must also have a
1563 * vport specified.
1564 */
1565 if (mboxq->mbox_cmpl && mboxq->mbox_cmpl != lpfc_sli_def_mbox_cmpl &&
1566 mboxq->mbox_cmpl != lpfc_sli_wake_mbox_wait) {
1567 if (!mboxq->vport) {
1568 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_VPORT,
1569 "1814 Mbox x%x failed, no vport\n",
1570 mboxq->u.mb.mbxCommand);
1571 dump_stack();
1572 return -ENODEV;
1573 }
1574 }
1575 return 0;
1576}
1577
1578/**
1579 * lpfc_mbox_dev_check - Check the device state for issuing a mailbox command
1580 * @phba: pointer to lpfc hba data structure.
1581 *
1582 * This routine is to check whether the HBA device is ready for posting a
1583 * mailbox command. It is used by the mailbox transport API at the time the
1584 * to post a mailbox command to the device.
1585 *
1586 * Return 0 - pass the check, -ENODEV - fail the check
1587 **/
1588int
1589lpfc_mbox_dev_check(struct lpfc_hba *phba)
1590{
1591 /* If the PCI channel is in offline state, do not issue mbox */
1592 if (unlikely(pci_channel_offline(phba->pcidev)))
1593 return -ENODEV;
1594
1595 /* If the HBA is in error state, do not issue mbox */
1596 if (phba->link_state == LPFC_HBA_ERROR)
1597 return -ENODEV;
1598
1599 return 0;
1600}
1601
e59058c4 1602/**
3621a710 1603 * lpfc_mbox_tmo_val - Retrieve mailbox command timeout value
e59058c4
JS		 1604 * @phba: pointer to lpfc hba data structure.
1605 * @cmd: mailbox command code.
1606 *
1607 * This routine retrieves the proper timeout value according to the mailbox
1608 * command code.
1609 *
1610 * Return codes
1611 * Timeout value to be used for the given mailbox command
1612 **/
a309a6b6 1613int
a183a15f 1614lpfc_mbox_tmo_val(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
a309a6b6 1615{
a183a15f
JS		 1616 MAILBOX_t *mbox = &mboxq->u.mb;
1617 uint8_t subsys, opcode;
1618
1619 switch (mbox->mbxCommand) {
a309a6b6 1620 case MBX_WRITE_NV: /* 0x03 */
940eb687 1621 case MBX_DUMP_MEMORY: /* 0x17 */
a309a6b6
JS		 1622 case MBX_UPDATE_CFG: /* 0x1B */
1623 case MBX_DOWN_LOAD: /* 0x1C */
1624 case MBX_DEL_LD_ENTRY: /* 0x1D */
940eb687 1625 case MBX_WRITE_VPARMS: /* 0x32 */
a309a6b6 1626 case MBX_LOAD_AREA: /* 0x81 */
09372820 1627 case MBX_WRITE_WWN: /* 0x98 */
a309a6b6 1628 case MBX_LOAD_EXP_ROM: /* 0x9C */
940eb687 1629 case MBX_ACCESS_VDATA: /* 0xA5 */
a309a6b6 1630 return LPFC_MBOX_TMO_FLASH_CMD;
04c68496 1631 case MBX_SLI4_CONFIG: /* 0x9b */
a183a15f
JS		 1632 subsys = lpfc_sli_config_mbox_subsys_get(phba, mboxq);
1633 opcode = lpfc_sli_config_mbox_opcode_get(phba, mboxq);
1634 if (subsys == LPFC_MBOX_SUBSYSTEM_COMMON) {
1635 switch (opcode) {
1636 case LPFC_MBOX_OPCODE_READ_OBJECT:
1637 case LPFC_MBOX_OPCODE_WRITE_OBJECT:
1638 case LPFC_MBOX_OPCODE_READ_OBJECT_LIST:
1639 case LPFC_MBOX_OPCODE_DELETE_OBJECT:
a183a15f
JS		 1640 case LPFC_MBOX_OPCODE_GET_PROFILE_LIST:
1641 case LPFC_MBOX_OPCODE_SET_ACT_PROFILE:
940eb687 1642 case LPFC_MBOX_OPCODE_GET_PROFILE_CONFIG:
a183a15f
JS		 1643 case LPFC_MBOX_OPCODE_SET_PROFILE_CONFIG:
1644 case LPFC_MBOX_OPCODE_GET_FACTORY_PROFILE_CONFIG:
940eb687
JS		 1645 case LPFC_MBOX_OPCODE_GET_PROFILE_CAPACITIES:
1646 case LPFC_MBOX_OPCODE_SEND_ACTIVATION:
1647 case LPFC_MBOX_OPCODE_RESET_LICENSES:
1648 case LPFC_MBOX_OPCODE_SET_BOOT_CONFIG:
1649 case LPFC_MBOX_OPCODE_GET_VPD_DATA:
1650 case LPFC_MBOX_OPCODE_SET_PHYSICAL_LINK_CONFIG:
a183a15f
JS		 1651 return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO;
1652 }
1653 }
1654 if (subsys == LPFC_MBOX_SUBSYSTEM_FCOE) {
1655 switch (opcode) {
1656 case LPFC_MBOX_OPCODE_FCOE_SET_FCLINK_SETTINGS:
1657 return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO;
1658 }
1659 }
04c68496 1660 return LPFC_MBOX_SLI4_CONFIG_TMO;
a309a6b6
JS		 1661 }
1662 return LPFC_MBOX_TMO;
1663}
04c68496
JS		 1664
1665/**
1666 * lpfc_sli4_mbx_sge_set - Set a sge entry in non-embedded mailbox command
1667 * @mbox: pointer to lpfc mbox command.
1668 * @sgentry: sge entry index.
1669 * @phyaddr: physical address for the sge
1670 * @length: Length of the sge.
1671 *
1672 * This routine sets up an entry in the non-embedded mailbox command at the sge
1673 * index location.
1674 **/
1675void
1676lpfc_sli4_mbx_sge_set(struct lpfcMboxq *mbox, uint32_t sgentry,
1677 dma_addr_t phyaddr, uint32_t length)
1678{
1679 struct lpfc_mbx_nembed_cmd *nembed_sge;
1680
1681 nembed_sge = (struct lpfc_mbx_nembed_cmd *)
1682 &mbox->u.mqe.un.nembed_cmd;
1683 nembed_sge->sge[sgentry].pa_lo = putPaddrLow(phyaddr);
1684 nembed_sge->sge[sgentry].pa_hi = putPaddrHigh(phyaddr);
1685 nembed_sge->sge[sgentry].length = length;
1686}
1687
1688/**
1689 * lpfc_sli4_mbx_sge_get - Get a sge entry from non-embedded mailbox command
1690 * @mbox: pointer to lpfc mbox command.
1691 * @sgentry: sge entry index.
1692 *
1693 * This routine gets an entry from the non-embedded mailbox command at the sge
1694 * index location.
1695 **/
1696void
1697lpfc_sli4_mbx_sge_get(struct lpfcMboxq *mbox, uint32_t sgentry,
1698 struct lpfc_mbx_sge *sge)
1699{
1700 struct lpfc_mbx_nembed_cmd *nembed_sge;
1701
1702 nembed_sge = (struct lpfc_mbx_nembed_cmd *)
1703 &mbox->u.mqe.un.nembed_cmd;
1704 sge->pa_lo = nembed_sge->sge[sgentry].pa_lo;
1705 sge->pa_hi = nembed_sge->sge[sgentry].pa_hi;
1706 sge->length = nembed_sge->sge[sgentry].length;
1707}
1708
1709/**
1710 * lpfc_sli4_mbox_cmd_free - Free a sli4 mailbox command
1711 * @phba: pointer to lpfc hba data structure.
1712 * @mbox: pointer to lpfc mbox command.
1713 *
1714 * This routine frees SLI4 specific mailbox command for sending IOCTL command.
1715 **/
1716void
1717lpfc_sli4_mbox_cmd_free(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
1718{
1719 struct lpfc_mbx_sli4_config *sli4_cfg;
1720 struct lpfc_mbx_sge sge;
1721 dma_addr_t phyaddr;
1722 uint32_t sgecount, sgentry;
1723
1724 sli4_cfg = &mbox->u.mqe.un.sli4_config;
1725
1726 /* For embedded mbox command, just free the mbox command */
1727 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) {
1728 mempool_free(mbox, phba->mbox_mem_pool);
1729 return;
1730 }
1731
1732 /* For non-embedded mbox command, we need to free the pages first */
1733 sgecount = bf_get(lpfc_mbox_hdr_sge_cnt, &sli4_cfg->header.cfg_mhdr);
1734 /* There is nothing we can do if there is no sge address array */
1735 if (unlikely(!mbox->sge_array)) {
1736 mempool_free(mbox, phba->mbox_mem_pool);
1737 return;
1738 }
1739 /* Each non-embedded DMA memory was allocated in the length of a page */
1740 for (sgentry = 0; sgentry < sgecount; sgentry++) {
1741 lpfc_sli4_mbx_sge_get(mbox, sgentry, &sge);
1742 phyaddr = getPaddr(sge.pa_hi, sge.pa_lo);
49198b37 1743 dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
04c68496
JS		 1744 mbox->sge_array->addr[sgentry], phyaddr);
1745 }
1746 /* Free the sge address array memory */
1747 kfree(mbox->sge_array);
1748 /* Finally, free the mailbox command itself */
1749 mempool_free(mbox, phba->mbox_mem_pool);
1750}
1751
1752/**
1753 * lpfc_sli4_config - Initialize the SLI4 Config Mailbox command
1754 * @phba: pointer to lpfc hba data structure.
1755 * @mbox: pointer to lpfc mbox command.
1756 * @subsystem: The sli4 config sub mailbox subsystem.
1757 * @opcode: The sli4 config sub mailbox command opcode.
fedd3b7b 1758 * @length: Length of the sli4 config mailbox command (including sub-header).
04c68496
JS		 1759 *
1760 * This routine sets up the header fields of SLI4 specific mailbox command
1761 * for sending IOCTL command.
1762 *
1763 * Return: the actual length of the mbox command allocated (mostly useful
1764 * for none embedded mailbox command).
1765 **/
1766int
1767lpfc_sli4_config(struct lpfc_hba *phba, struct lpfcMboxq *mbox,
1768 uint8_t subsystem, uint8_t opcode, uint32_t length, bool emb)
1769{
1770 struct lpfc_mbx_sli4_config *sli4_config;
1771 union lpfc_sli4_cfg_shdr *cfg_shdr = NULL;
1772 uint32_t alloc_len;
1773 uint32_t resid_len;
1774 uint32_t pagen, pcount;
1775 void *viraddr;
1776 dma_addr_t phyaddr;
1777
1778 /* Set up SLI4 mailbox command header fields */
1779 memset(mbox, 0, sizeof(*mbox));
1780 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_SLI4_CONFIG);
1781
1782 /* Set up SLI4 ioctl command header fields */
1783 sli4_config = &mbox->u.mqe.un.sli4_config;
1784
1785 /* Setup for the embedded mbox command */
1786 if (emb) {
1787 /* Set up main header fields */
1788 bf_set(lpfc_mbox_hdr_emb, &sli4_config->header.cfg_mhdr, 1);
fedd3b7b 1789 sli4_config->header.cfg_mhdr.payload_length = length;
04c68496
JS		 1790 /* Set up sub-header fields following main header */
1791 bf_set(lpfc_mbox_hdr_opcode,
1792 &sli4_config->header.cfg_shdr.request, opcode);
1793 bf_set(lpfc_mbox_hdr_subsystem,
1794 &sli4_config->header.cfg_shdr.request, subsystem);
fedd3b7b
JS		 1795 sli4_config->header.cfg_shdr.request.request_length =
1796 length - LPFC_MBX_CMD_HDR_LENGTH;
04c68496
JS		 1797 return length;
1798 }
1799
6d368e53 1800 /* Setup for the non-embedded mbox command */
9589b062 1801 pcount = (SLI4_PAGE_ALIGN(length))/SLI4_PAGE_SIZE;
04c68496
JS		 1802 pcount = (pcount > LPFC_SLI4_MBX_SGE_MAX_PAGES) ?
1803 LPFC_SLI4_MBX_SGE_MAX_PAGES : pcount;
1804 /* Allocate record for keeping SGE virtual addresses */
6d368e53 1805 mbox->sge_array = kzalloc(sizeof(struct lpfc_mbx_nembed_sge_virt),
04c68496 1806 GFP_KERNEL);
6a9c52cf
JS		 1807 if (!mbox->sge_array) {
1808 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1809 "2527 Failed to allocate non-embedded SGE "
1810 "array.\n");
04c68496 1811 return 0;
6a9c52cf 1812 }
04c68496
JS		 1813 for (pagen = 0, alloc_len = 0; pagen < pcount; pagen++) {
1814 /* The DMA memory is always allocated in the length of a
1815 * page even though the last SGE might not fill up to a
49198b37 1816 * page, this is used as a priori size of SLI4_PAGE_SIZE for
04c68496
JS		 1817 * the later DMA memory free.
1818 */
1aee383d
JP		 1819 viraddr = dma_zalloc_coherent(&phba->pcidev->dev,
1820 SLI4_PAGE_SIZE, &phyaddr,
1821 GFP_KERNEL);
04c68496
JS		 1822 /* In case of malloc fails, proceed with whatever we have */
1823 if (!viraddr)
1824 break;
1825 mbox->sge_array->addr[pagen] = viraddr;
1826 /* Keep the first page for later sub-header construction */
1827 if (pagen == 0)
1828 cfg_shdr = (union lpfc_sli4_cfg_shdr *)viraddr;
1829 resid_len = length - alloc_len;
49198b37 1830 if (resid_len > SLI4_PAGE_SIZE) {
04c68496 1831 lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr,
49198b37
JS		 1832 SLI4_PAGE_SIZE);
1833 alloc_len += SLI4_PAGE_SIZE;
04c68496
JS		 1834 } else {
1835 lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr,
1836 resid_len);
1837 alloc_len = length;
1838 }
1839 }
1840
1841 /* Set up main header fields in mailbox command */
1842 sli4_config->header.cfg_mhdr.payload_length = alloc_len;
1843 bf_set(lpfc_mbox_hdr_sge_cnt, &sli4_config->header.cfg_mhdr, pagen);
1844
1845 /* Set up sub-header fields into the first page */
1846 if (pagen > 0) {
1847 bf_set(lpfc_mbox_hdr_opcode, &cfg_shdr->request, opcode);
1848 bf_set(lpfc_mbox_hdr_subsystem, &cfg_shdr->request, subsystem);
1849 cfg_shdr->request.request_length =
1850 alloc_len - sizeof(union lpfc_sli4_cfg_shdr);
1851 }
1852 /* The sub-header is in DMA memory, which needs endian converstion */
72100cc4
JS		 1853 if (cfg_shdr)
1854 lpfc_sli_pcimem_bcopy(cfg_shdr, cfg_shdr,
6d368e53 1855 sizeof(union lpfc_sli4_cfg_shdr));
04c68496
JS		 1856 return alloc_len;
1857}
1858
6d368e53
JS		 1859/**
1860 * lpfc_sli4_mbox_rsrc_extent - Initialize the opcode resource extent.
1861 * @phba: pointer to lpfc hba data structure.
1862 * @mbox: pointer to an allocated lpfc mbox resource.
1863 * @exts_count: the number of extents, if required, to allocate.
1864 * @rsrc_type: the resource extent type.
1865 * @emb: true if LPFC_SLI4_MBX_EMBED. false if LPFC_SLI4_MBX_NEMBED.
1866 *
1867 * This routine completes the subcommand header for SLI4 resource extent
1868 * mailbox commands. It is called after lpfc_sli4_config. The caller must
1869 * pass an allocated mailbox and the attributes required to initialize the
1870 * mailbox correctly.
1871 *
1872 * Return: the actual length of the mbox command allocated.
1873 **/
1874int
1875lpfc_sli4_mbox_rsrc_extent(struct lpfc_hba *phba, struct lpfcMboxq *mbox,
1876 uint16_t exts_count, uint16_t rsrc_type, bool emb)
1877{
1878 uint8_t opcode = 0;
1879 struct lpfc_mbx_nembed_rsrc_extent *n_rsrc_extnt = NULL;
1880 void *virtaddr = NULL;
1881
1882 /* Set up SLI4 ioctl command header fields */
1883 if (emb == LPFC_SLI4_MBX_NEMBED) {
1884 /* Get the first SGE entry from the non-embedded DMA memory */
1885 virtaddr = mbox->sge_array->addr[0];
1886 if (virtaddr == NULL)
1887 return 1;
1888 n_rsrc_extnt = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr;
1889 }
1890
1891 /*
1892 * The resource type is common to all extent Opcodes and resides in the
1893 * same position.
1894 */
1895 if (emb == LPFC_SLI4_MBX_EMBED)
1896 bf_set(lpfc_mbx_alloc_rsrc_extents_type,
1897 &mbox->u.mqe.un.alloc_rsrc_extents.u.req,
1898 rsrc_type);
1899 else {
1900 /* This is DMA data. Byteswap is required. */
1901 bf_set(lpfc_mbx_alloc_rsrc_extents_type,
1902 n_rsrc_extnt, rsrc_type);
1903 lpfc_sli_pcimem_bcopy(&n_rsrc_extnt->word4,
1904 &n_rsrc_extnt->word4,
1905 sizeof(uint32_t));
1906 }
1907
1908 /* Complete the initialization for the particular Opcode. */
a183a15f 1909 opcode = lpfc_sli_config_mbox_opcode_get(phba, mbox);
6d368e53
JS		 1910 switch (opcode) {
1911 case LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT:
1912 if (emb == LPFC_SLI4_MBX_EMBED)
1913 bf_set(lpfc_mbx_alloc_rsrc_extents_cnt,
1914 &mbox->u.mqe.un.alloc_rsrc_extents.u.req,
1915 exts_count);
1916 else
1917 bf_set(lpfc_mbx_alloc_rsrc_extents_cnt,
1918 n_rsrc_extnt, exts_count);
1919 break;
1920 case LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT:
1921 case LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO:
1922 case LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT:
1923 /* Initialization is complete.*/
1924 break;
1925 default:
1926 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1927 "2929 Resource Extent Opcode x%x is "
1928 "unsupported\n", opcode);
1929 return 1;
1930 }
1931
1932 return 0;
1933}
1934
04c68496 1935/**
a183a15f 1936 * lpfc_sli_config_mbox_subsys_get - Get subsystem from a sli_config mbox cmd
04c68496 1937 * @phba: pointer to lpfc hba data structure.
a183a15f
JS		 1938 * @mbox: pointer to lpfc mbox command queue entry.
1939 *
1940 * This routine gets the subsystem from a SLI4 specific SLI_CONFIG mailbox
1941 * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if the
1942 * sub-header is not present, subsystem LPFC_MBOX_SUBSYSTEM_NA (0x0) shall
1943 * be returned.
1944 **/
1945uint8_t
1946lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
1947{
1948 struct lpfc_mbx_sli4_config *sli4_cfg;
1949 union lpfc_sli4_cfg_shdr *cfg_shdr;
1950
1951 if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG)
1952 return LPFC_MBOX_SUBSYSTEM_NA;
1953 sli4_cfg = &mbox->u.mqe.un.sli4_config;
1954
1955 /* For embedded mbox command, get opcode from embedded sub-header*/
1956 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) {
1957 cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr;
1958 return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request);
1959 }
1960
1961 /* For non-embedded mbox command, get opcode from first dma page */
1962 if (unlikely(!mbox->sge_array))
1963 return LPFC_MBOX_SUBSYSTEM_NA;
1964 cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0];
1965 return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request);
1966}
1967
1968/**
1969 * lpfc_sli_config_mbox_opcode_get - Get opcode from a sli_config mbox cmd
1970 * @phba: pointer to lpfc hba data structure.
1971 * @mbox: pointer to lpfc mbox command queue entry.
04c68496 1972 *
a183a15f
JS		 1973 * This routine gets the opcode from a SLI4 specific SLI_CONFIG mailbox
1974 * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if
1975 * the sub-header is not present, opcode LPFC_MBOX_OPCODE_NA (0x0) be
04c68496
JS		 1976 * returned.
1977 **/
1978uint8_t
a183a15f 1979lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
04c68496
JS		 1980{
1981 struct lpfc_mbx_sli4_config *sli4_cfg;
1982 union lpfc_sli4_cfg_shdr *cfg_shdr;
1983
1984 if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG)
a183a15f 1985 return LPFC_MBOX_OPCODE_NA;
04c68496
JS		 1986 sli4_cfg = &mbox->u.mqe.un.sli4_config;
1987
1988 /* For embedded mbox command, get opcode from embedded sub-header*/
1989 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) {
1990 cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr;
1991 return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request);
1992 }
1993
1994 /* For non-embedded mbox command, get opcode from first dma page */
1995 if (unlikely(!mbox->sge_array))
a183a15f 1996 return LPFC_MBOX_OPCODE_NA;
04c68496
JS		 1997 cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0];
1998 return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request);
1999}
2000
ecfd03c6 2001/**
0c9ab6f5 2002 * lpfc_sli4_mbx_read_fcf_rec - Allocate and construct read fcf mbox cmd
ecfd03c6
JS		 2003 * @phba: pointer to lpfc hba data structure.
2004 * @fcf_index: index to fcf table.
2005 *
2006 * This routine routine allocates and constructs non-embedded mailbox command
25985edc 2007 * for reading a FCF table entry referred by @fcf_index.
ecfd03c6
JS		 2008 *
2009 * Return: pointer to the mailbox command constructed if successful, otherwise
2010 * NULL.
2011 **/
2012int
0c9ab6f5
JS		 2013lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *phba,
2014 struct lpfcMboxq *mboxq,
2015 uint16_t fcf_index)
ecfd03c6
JS		 2016{
2017 void *virt_addr;
ecfd03c6
JS		 2018 uint8_t *bytep;
2019 struct lpfc_mbx_sge sge;
2020 uint32_t alloc_len, req_len;
2021 struct lpfc_mbx_read_fcf_tbl *read_fcf;
2022
2023 if (!mboxq)
2024 return -ENOMEM;
2025
2026 req_len = sizeof(struct fcf_record) +
2027 sizeof(union lpfc_sli4_cfg_shdr) + 2 * sizeof(uint32_t);
2028
2029 /* Set up READ_FCF SLI4_CONFIG mailbox-ioctl command */
2030 alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
2031 LPFC_MBOX_OPCODE_FCOE_READ_FCF_TABLE, req_len,
2032 LPFC_SLI4_MBX_NEMBED);
2033
2034 if (alloc_len < req_len) {
2035 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
2036 "0291 Allocated DMA memory size (x%x) is "
2037 "less than the requested DMA memory "
2038 "size (x%x)\n", alloc_len, req_len);
2039 return -ENOMEM;
2040 }
2041
2042 /* Get the first SGE entry from the non-embedded DMA memory. This
2043 * routine only uses a single SGE.
2044 */
2045 lpfc_sli4_mbx_sge_get(mboxq, 0, &sge);
ecfd03c6
JS		 2046 virt_addr = mboxq->sge_array->addr[0];
2047 read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr;
2048
2049 /* Set up command fields */
2050 bf_set(lpfc_mbx_read_fcf_tbl_indx, &read_fcf->u.request, fcf_index);
2051 /* Perform necessary endian conversion */
2052 bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr);
2053 lpfc_sli_pcimem_bcopy(bytep, bytep, sizeof(uint32_t));
2054
2055 return 0;
2056}
2057
04c68496
JS		 2058/**
2059 * lpfc_request_features: Configure SLI4 REQUEST_FEATURES mailbox
2060 * @mboxq: pointer to lpfc mbox command.
2061 *
2062 * This routine sets up the mailbox for an SLI4 REQUEST_FEATURES
2063 * mailbox command.
2064 **/
2065void
2066lpfc_request_features(struct lpfc_hba *phba, struct lpfcMboxq *mboxq)
2067{
2068 /* Set up SLI4 mailbox command header fields */
2069 memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
2070 bf_set(lpfc_mqe_command, &mboxq->u.mqe, MBX_SLI4_REQ_FTRS);
2071
2072 /* Set up host requested features. */
2073 bf_set(lpfc_mbx_rq_ftr_rq_fcpi, &mboxq->u.mqe.un.req_ftrs, 1);
fedd3b7b 2074 bf_set(lpfc_mbx_rq_ftr_rq_perfh, &mboxq->u.mqe.un.req_ftrs, 1);
04c68496 2075
04c68496
JS		 2076 /* Enable DIF (block guard) only if configured to do so. */
2077 if (phba->cfg_enable_bg)
2078 bf_set(lpfc_mbx_rq_ftr_rq_dif, &mboxq->u.mqe.un.req_ftrs, 1);
2079
2080 /* Enable NPIV only if configured to do so. */
2081 if (phba->max_vpi && phba->cfg_enable_npiv)
2082 bf_set(lpfc_mbx_rq_ftr_rq_npiv, &mboxq->u.mqe.un.req_ftrs, 1);
2083
2084 return;
2085}
2086
2087/**
2088 * lpfc_init_vfi - Initialize the INIT_VFI mailbox command
2089 * @mbox: pointer to lpfc mbox command to initialize.
2090 * @vport: Vport associated with the VF.
2091 *
2092 * This routine initializes @mbox to all zeros and then fills in the mailbox
2093 * fields from @vport. INIT_VFI configures virtual fabrics identified by VFI
2094 * in the context of an FCF. The driver issues this command to setup a VFI
2095 * before issuing a FLOGI to login to the VSAN. The driver should also issue a
2096 * REG_VFI after a successful VSAN login.
2097 **/
2098void
2099lpfc_init_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport)
2100{
2101 struct lpfc_mbx_init_vfi *init_vfi;
2102
2103 memset(mbox, 0, sizeof(*mbox));
76a95d75 2104 mbox->vport = vport;
04c68496
JS		 2105 init_vfi = &mbox->u.mqe.un.init_vfi;
2106 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VFI);
2107 bf_set(lpfc_init_vfi_vr, init_vfi, 1);
2108 bf_set(lpfc_init_vfi_vt, init_vfi, 1);
76a95d75 2109 bf_set(lpfc_init_vfi_vp, init_vfi, 1);
6d368e53
JS		 2110 bf_set(lpfc_init_vfi_vfi, init_vfi,
2111 vport->phba->sli4_hba.vfi_ids[vport->vfi]);
7851fe2c 2112 bf_set(lpfc_init_vfi_vpi, init_vfi,
6d368e53
JS		 2113 vport->phba->vpi_ids[vport->vpi]);
2114 bf_set(lpfc_init_vfi_fcfi, init_vfi,
2115 vport->phba->fcf.fcfi);
04c68496
JS		 2116}
2117
2118/**
2119 * lpfc_reg_vfi - Initialize the REG_VFI mailbox command
2120 * @mbox: pointer to lpfc mbox command to initialize.
2121 * @vport: vport associated with the VF.
2122 * @phys: BDE DMA bus address used to send the service parameters to the HBA.
2123 *
2124 * This routine initializes @mbox to all zeros and then fills in the mailbox
2125 * fields from @vport, and uses @buf as a DMAable buffer to send the vport's
2126 * fc service parameters to the HBA for this VFI. REG_VFI configures virtual
2127 * fabrics identified by VFI in the context of an FCF.
2128 **/
2129void
2130lpfc_reg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport, dma_addr_t phys)
2131{
2132 struct lpfc_mbx_reg_vfi *reg_vfi;
ae05ebe3 2133 struct lpfc_hba *phba = vport->phba;
04c68496
JS		 2134
2135 memset(mbox, 0, sizeof(*mbox));
2136 reg_vfi = &mbox->u.mqe.un.reg_vfi;
2137 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_VFI);
2138 bf_set(lpfc_reg_vfi_vp, reg_vfi, 1);
6d368e53 2139 bf_set(lpfc_reg_vfi_vfi, reg_vfi,
ae05ebe3
JS		 2140 phba->sli4_hba.vfi_ids[vport->vfi]);
2141 bf_set(lpfc_reg_vfi_fcfi, reg_vfi, phba->fcf.fcfi);
2142 bf_set(lpfc_reg_vfi_vpi, reg_vfi, phba->vpi_ids[vport->vpi]);
c868595d
JS		 2143 memcpy(reg_vfi->wwn, &vport->fc_portname, sizeof(struct lpfc_name));
2144 reg_vfi->wwn[0] = cpu_to_le32(reg_vfi->wwn[0]);
2145 reg_vfi->wwn[1] = cpu_to_le32(reg_vfi->wwn[1]);
ae05ebe3
JS		 2146 reg_vfi->e_d_tov = phba->fc_edtov;
2147 reg_vfi->r_a_tov = phba->fc_ratov;
ae09c765
JS		 2148 if (phys) {
2149 reg_vfi->bde.addrHigh = putPaddrHigh(phys);
2150 reg_vfi->bde.addrLow = putPaddrLow(phys);
2151 reg_vfi->bde.tus.f.bdeSize = sizeof(vport->fc_sparam);
2152 reg_vfi->bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64;
2153 }
04c68496 2154 bf_set(lpfc_reg_vfi_nport_id, reg_vfi, vport->fc_myDID);
ae05ebe3
JS		 2155
2156 /* Only FC supports upd bit */
2157 if ((phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC) &&
e74c03c8
JS		 2158 (vport->fc_flag & FC_VFI_REGISTERED) &&
2159 (!phba->fc_topology_changed)) {
ae05ebe3
JS		 2160 bf_set(lpfc_reg_vfi_vp, reg_vfi, 0);
2161 bf_set(lpfc_reg_vfi_upd, reg_vfi, 1);
2162 }
1b51197d
JS		 2163 lpfc_printf_vlog(vport, KERN_INFO, LOG_MBOX,
2164 "3134 Register VFI, mydid:x%x, fcfi:%d, "
e74c03c8
JS		 2165 " vfi:%d, vpi:%d, fc_pname:%x%x fc_flag:x%x"
2166 " port_state:x%x topology chg:%d\n",
1b51197d 2167 vport->fc_myDID,
ae05ebe3
JS		 2168 phba->fcf.fcfi,
2169 phba->sli4_hba.vfi_ids[vport->vfi],
2170 phba->vpi_ids[vport->vpi],
e74c03c8
JS		 2171 reg_vfi->wwn[0], reg_vfi->wwn[1], vport->fc_flag,
2172 vport->port_state, phba->fc_topology_changed);
04c68496
JS		 2173}
2174
2175/**
2176 * lpfc_init_vpi - Initialize the INIT_VPI mailbox command
1c6834a7 2177 * @phba: pointer to the hba structure to init the VPI for.
04c68496
JS		 2178 * @mbox: pointer to lpfc mbox command to initialize.
2179 * @vpi: VPI to be initialized.
2180 *
2181 * The INIT_VPI mailbox command supports virtual N_Ports. The driver uses the
2182 * command to activate a virtual N_Port. The HBA assigns a MAC address to use
2183 * with the virtual N Port. The SLI Host issues this command before issuing a
2184 * FDISC to connect to the Fabric. The SLI Host should issue a REG_VPI after a
2185 * successful virtual NPort login.
2186 **/
2187void
1c6834a7 2188lpfc_init_vpi(struct lpfc_hba *phba, struct lpfcMboxq *mbox, uint16_t vpi)
04c68496
JS		 2189{
2190 memset(mbox, 0, sizeof(*mbox));
2191 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VPI);
1c6834a7 2192 bf_set(lpfc_init_vpi_vpi, &mbox->u.mqe.un.init_vpi,
6d368e53 2193 phba->vpi_ids[vpi]);
1c6834a7 2194 bf_set(lpfc_init_vpi_vfi, &mbox->u.mqe.un.init_vpi,
6d368e53 2195 phba->sli4_hba.vfi_ids[phba->pport->vfi]);
04c68496
JS		 2196}
2197
2198/**
2199 * lpfc_unreg_vfi - Initialize the UNREG_VFI mailbox command
2200 * @mbox: pointer to lpfc mbox command to initialize.
6669f9bb 2201 * @vport: vport associated with the VF.
04c68496
JS		 2202 *
2203 * The UNREG_VFI mailbox command causes the SLI Host to put a virtual fabric
2204 * (logical NPort) into the inactive state. The SLI Host must have logged out
2205 * and unregistered all remote N_Ports to abort any activity on the virtual
2206 * fabric. The SLI Port posts the mailbox response after marking the virtual
2207 * fabric inactive.
2208 **/
2209void
6669f9bb 2210lpfc_unreg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport)
04c68496
JS		 2211{
2212 memset(mbox, 0, sizeof(*mbox));
2213 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_VFI);
6669f9bb 2214 bf_set(lpfc_unreg_vfi_vfi, &mbox->u.mqe.un.unreg_vfi,
6d368e53 2215 vport->phba->sli4_hba.vfi_ids[vport->vfi]);
04c68496
JS		 2216}
2217
2218/**
026abb87 2219 * lpfc_sli4_dump_cfg_rg23 - Dump sli4 port config region 23
04c68496
JS		 2220 * @phba: pointer to the hba structure containing.
2221 * @mbox: pointer to lpfc mbox command to initialize.
2222 *
026abb87
JS		 2223 * This function create a SLI4 dump mailbox command to dump configure
2224 * region 23.
04c68496
JS		 2225 **/
2226int
026abb87 2227lpfc_sli4_dump_cfg_rg23(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
04c68496
JS		 2228{
2229 struct lpfc_dmabuf *mp = NULL;
2230 MAILBOX_t *mb;
2231
2232 memset(mbox, 0, sizeof(*mbox));
2233 mb = &mbox->u.mb;
2234
2235 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2236 if (mp)
2237 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
2238
2239 if (!mp || !mp->virt) {
2240 kfree(mp);
026abb87 2241 /* dump config region 23 failed to allocate memory */
04c68496 2242 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
026abb87 2243 "2569 lpfc dump config region 23: memory"
e4e74273 2244 " allocation failed\n");
04c68496
JS		 2245 return 1;
2246 }
2247
2248 memset(mp->virt, 0, LPFC_BPL_SIZE);
2249 INIT_LIST_HEAD(&mp->list);
2250
2251 /* save address for completion */
2252 mbox->context1 = (uint8_t *) mp;
2253
2254 mb->mbxCommand = MBX_DUMP_MEMORY;
2255 mb->un.varDmp.type = DMP_NV_PARAMS;
a0c87cbd
JS		 2256 mb->un.varDmp.region_id = DMP_REGION_23;
2257 mb->un.varDmp.sli4_length = DMP_RGN23_SIZE;
04c68496
JS		 2258 mb->un.varWords[3] = putPaddrLow(mp->phys);
2259 mb->un.varWords[4] = putPaddrHigh(mp->phys);
2260 return 0;
2261}
2262
bd4b3e5c 2263static void
86478875
JS		 2264lpfc_mbx_cmpl_rdp_link_stat(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
2265{
2266 MAILBOX_t *mb;
2267 int rc = FAILURE;
2268 struct lpfc_rdp_context *rdp_context =
2269 (struct lpfc_rdp_context *)(mboxq->context2);
2270
2271 mb = &mboxq->u.mb;
2272 if (mb->mbxStatus)
2273 goto mbx_failed;
2274
2275 memcpy(&rdp_context->link_stat, &mb->un.varRdLnk, sizeof(READ_LNK_VAR));
2276
2277 rc = SUCCESS;
2278
2279mbx_failed:
2280 lpfc_sli4_mbox_cmd_free(phba, mboxq);
2281 rdp_context->cmpl(phba, rdp_context, rc);
2282}
2283
bd4b3e5c 2284static void
86478875
JS		 2285lpfc_mbx_cmpl_rdp_page_a2(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
2286{
2287 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) mbox->context1;
2288 struct lpfc_rdp_context *rdp_context =
2289 (struct lpfc_rdp_context *)(mbox->context2);
2290
2291 if (bf_get(lpfc_mqe_status, &mbox->u.mqe))
612872ca 2292 goto error_mbuf_free;
86478875
JS		 2293
2294 lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a2,
2295 DMP_SFF_PAGE_A2_SIZE);
2296
2297 /* We don't need dma buffer for link stat. */
2298 lpfc_mbuf_free(phba, mp->virt, mp->phys);
2299 kfree(mp);
2300
2301 memset(mbox, 0, sizeof(*mbox));
2302 lpfc_read_lnk_stat(phba, mbox);
2303 mbox->vport = rdp_context->ndlp->vport;
2304 mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_link_stat;
2305 mbox->context2 = (struct lpfc_rdp_context *) rdp_context;
2306 if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) == MBX_NOT_FINISHED)
612872ca 2307 goto error_cmd_free;
86478875
JS		 2308
2309 return;
2310
612872ca 2311error_mbuf_free:
86478875
JS		 2312 lpfc_mbuf_free(phba, mp->virt, mp->phys);
2313 kfree(mp);
612872ca 2314error_cmd_free:
86478875
JS		 2315 lpfc_sli4_mbox_cmd_free(phba, mbox);
2316 rdp_context->cmpl(phba, rdp_context, FAILURE);
2317}
2318
2319void
2320lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
2321{
2322 int rc;
2323 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (mbox->context1);
2324 struct lpfc_rdp_context *rdp_context =
2325 (struct lpfc_rdp_context *)(mbox->context2);
2326
2327 if (bf_get(lpfc_mqe_status, &mbox->u.mqe))
2328 goto error;
2329
2330 lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a0,
2331 DMP_SFF_PAGE_A0_SIZE);
2332
2333 memset(mbox, 0, sizeof(*mbox));
2334
2335 memset(mp->virt, 0, DMP_SFF_PAGE_A2_SIZE);
2336 INIT_LIST_HEAD(&mp->list);
2337
2338 /* save address for completion */
2339 mbox->context1 = mp;
2340 mbox->vport = rdp_context->ndlp->vport;
2341
2342 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY);
2343 bf_set(lpfc_mbx_memory_dump_type3_type,
2344 &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD);
2345 bf_set(lpfc_mbx_memory_dump_type3_link,
2346 &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port);
2347 bf_set(lpfc_mbx_memory_dump_type3_page_no,
2348 &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A2);
2349 bf_set(lpfc_mbx_memory_dump_type3_length,
2350 &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A2_SIZE);
2351 mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys);
2352 mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys);
2353
2354 mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_page_a2;
2355 mbox->context2 = (struct lpfc_rdp_context *) rdp_context;
2356 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
2357 if (rc == MBX_NOT_FINISHED)
2358 goto error;
2359
2360 return;
2361
2362error:
2363 lpfc_mbuf_free(phba, mp->virt, mp->phys);
2364 kfree(mp);
2365 lpfc_sli4_mbox_cmd_free(phba, mbox);
2366 rdp_context->cmpl(phba, rdp_context, FAILURE);
2367}
2368
2369
2370/*
2371 * lpfc_sli4_dump_sfp_pagea0 - Dump sli4 read SFP Diagnostic.
2372 * @phba: pointer to the hba structure containing.
2373 * @mbox: pointer to lpfc mbox command to initialize.
2374 *
2375 * This function create a SLI4 dump mailbox command to dump configure
2376 * type 3 page 0xA0.
2377 */
2378int
2379lpfc_sli4_dump_page_a0(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
2380{
2381 struct lpfc_dmabuf *mp = NULL;
2382
2383 memset(mbox, 0, sizeof(*mbox));
2384
2385 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2386 if (mp)
2387 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
2388 if (!mp || !mp->virt) {
2389 kfree(mp);
2390 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
2391 "3569 dump type 3 page 0xA0 allocation failed\n");
2392 return 1;
2393 }
2394
2395 memset(mp->virt, 0, LPFC_BPL_SIZE);
2396 INIT_LIST_HEAD(&mp->list);
2397
2398 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY);
2399 /* save address for completion */
2400 mbox->context1 = mp;
2401
2402 bf_set(lpfc_mbx_memory_dump_type3_type,
2403 &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD);
2404 bf_set(lpfc_mbx_memory_dump_type3_link,
2405 &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port);
2406 bf_set(lpfc_mbx_memory_dump_type3_page_no,
2407 &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A0);
2408 bf_set(lpfc_mbx_memory_dump_type3_length,
2409 &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A0_SIZE);
2410 mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys);
2411 mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys);
2412
2413 return 0;
2414}
2415
04c68496
JS		 2416/**
2417 * lpfc_reg_fcfi - Initialize the REG_FCFI mailbox command
2418 * @phba: pointer to the hba structure containing the FCF index and RQ ID.
2419 * @mbox: pointer to lpfc mbox command to initialize.
2420 *
2421 * The REG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs). The
2422 * SLI Host uses the command to activate an FCF after it has acquired FCF
2423 * information via a READ_FCF mailbox command. This mailbox command also is used
2424 * to indicate where received unsolicited frames from this FCF will be sent. By
2425 * default this routine will set up the FCF to forward all unsolicited frames
2426 * the the RQ ID passed in the @phba. This can be overridden by the caller for
2427 * more complicated setups.
2428 **/
2429void
2430lpfc_reg_fcfi(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
2431{
2432 struct lpfc_mbx_reg_fcfi *reg_fcfi;
2433
2434 memset(mbox, 0, sizeof(*mbox));
2435 reg_fcfi = &mbox->u.mqe.un.reg_fcfi;
2436 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_FCFI);
2437 bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi, phba->sli4_hba.hdr_rq->queue_id);
2438 bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi, REG_FCF_INVALID_QID);
2439 bf_set(lpfc_reg_fcfi_rq_id2, reg_fcfi, REG_FCF_INVALID_QID);
2440 bf_set(lpfc_reg_fcfi_rq_id3, reg_fcfi, REG_FCF_INVALID_QID);
ecfd03c6
JS		 2441 bf_set(lpfc_reg_fcfi_info_index, reg_fcfi,
2442 phba->fcf.current_rec.fcf_indx);
04c68496 2443 /* reg_fcf addr mode is bit wise inverted value of fcf addr_mode */
ecfd03c6 2444 bf_set(lpfc_reg_fcfi_mam, reg_fcfi, (~phba->fcf.addr_mode) & 0x3);
3804dc84 2445 if (phba->fcf.current_rec.vlan_id != LPFC_FCOE_NULL_VID) {
04c68496 2446 bf_set(lpfc_reg_fcfi_vv, reg_fcfi, 1);
ecfd03c6
JS		 2447 bf_set(lpfc_reg_fcfi_vlan_tag, reg_fcfi,
2448 phba->fcf.current_rec.vlan_id);
04c68496
JS		 2449 }
2450}
2451
2452/**
2453 * lpfc_unreg_fcfi - Initialize the UNREG_FCFI mailbox command
2454 * @mbox: pointer to lpfc mbox command to initialize.
2455 * @fcfi: FCFI to be unregistered.
2456 *
2457 * The UNREG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs).
2458 * The SLI Host uses the command to inactivate an FCFI.
2459 **/
2460void
2461lpfc_unreg_fcfi(struct lpfcMboxq *mbox, uint16_t fcfi)
2462{
2463 memset(mbox, 0, sizeof(*mbox));
2464 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_FCFI);
2465 bf_set(lpfc_unreg_fcfi, &mbox->u.mqe.un.unreg_fcfi, fcfi);
2466}
2467
2468/**
2469 * lpfc_resume_rpi - Initialize the RESUME_RPI mailbox command
2470 * @mbox: pointer to lpfc mbox command to initialize.
2471 * @ndlp: The nodelist structure that describes the RPI to resume.
2472 *
2473 * The RESUME_RPI mailbox command is used to restart I/O to an RPI after a
2474 * link event.
2475 **/
2476void
2477lpfc_resume_rpi(struct lpfcMboxq *mbox, struct lpfc_nodelist *ndlp)
2478{
6d368e53 2479 struct lpfc_hba *phba = ndlp->phba;
04c68496
JS		 2480 struct lpfc_mbx_resume_rpi *resume_rpi;
2481
2482 memset(mbox, 0, sizeof(*mbox));
2483 resume_rpi = &mbox->u.mqe.un.resume_rpi;
2484 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_RESUME_RPI);
6d368e53
JS		 2485 bf_set(lpfc_resume_rpi_index, resume_rpi,
2486 phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]);
8fa38513
JS		 2487 bf_set(lpfc_resume_rpi_ii, resume_rpi, RESUME_INDEX_RPI);
2488 resume_rpi->event_tag = ndlp->phba->fc_eventTag;
04c68496 2489}
28baac74
JS		 2490
2491/**
2492 * lpfc_supported_pages - Initialize the PORT_CAPABILITIES supported pages
2493 * mailbox command.
2494 * @mbox: pointer to lpfc mbox command to initialize.
2495 *
2496 * The PORT_CAPABILITIES supported pages mailbox command is issued to
2497 * retrieve the particular feature pages supported by the port.
2498 **/
2499void
2500lpfc_supported_pages(struct lpfcMboxq *mbox)
2501{
2502 struct lpfc_mbx_supp_pages *supp_pages;
2503
2504 memset(mbox, 0, sizeof(*mbox));
2505 supp_pages = &mbox->u.mqe.un.supp_pages;
2506 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_PORT_CAPABILITIES);
2507 bf_set(cpn, supp_pages, LPFC_SUPP_PAGES);
2508}
2509
2510/**
fedd3b7b 2511 * lpfc_pc_sli4_params - Initialize the PORT_CAPABILITIES SLI4 Params mbox cmd.
28baac74
JS		 2512 * @mbox: pointer to lpfc mbox command to initialize.
2513 *
2514 * The PORT_CAPABILITIES SLI4 parameters mailbox command is issued to
2515 * retrieve the particular SLI4 features supported by the port.
2516 **/
2517void
fedd3b7b 2518lpfc_pc_sli4_params(struct lpfcMboxq *mbox)
28baac74 2519{
fedd3b7b 2520 struct lpfc_mbx_pc_sli4_params *sli4_params;
28baac74
JS		 2521
2522 memset(mbox, 0, sizeof(*mbox));
2523 sli4_params = &mbox->u.mqe.un.sli4_params;
2524 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_PORT_CAPABILITIES);
2525 bf_set(cpn, sli4_params, LPFC_SLI4_PARAMETERS);
2526}
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