blob: 62d0957e1d4c7dd29add28778f640af952e56b47 [file] [log] [blame]
dea31012005-04-17 16:05:31 -05001/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
James.Smart@Emulex.Comc44ce172005-06-25 10:34:39 -04003 * Fibre Channel Host Bus Adapters. *
James Smartd8e93df2009-05-22 14:53:05 -04004 * Copyright (C) 2004-2009 Emulex. All rights reserved. *
James.Smart@Emulex.Comc44ce172005-06-25 10:34:39 -04005 * EMULEX and SLI are trademarks of Emulex. *
dea31012005-04-17 16:05:31 -05006 * www.emulex.com *
James.Smart@Emulex.Comc44ce172005-06-25 10:34:39 -04007 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
dea31012005-04-17 16:05:31 -05008 * *
9 * This program is free software; you can redistribute it and/or *
James.Smart@Emulex.Comc44ce172005-06-25 10:34:39 -040010 * 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. *
dea31012005-04-17 16:05:31 -050020 *******************************************************************/
21
dea31012005-04-17 16:05:31 -050022#include <linux/blkdev.h>
23#include <linux/pci.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090024#include <linux/slab.h>
dea31012005-04-17 16:05:31 -050025#include <linux/interrupt.h>
26
James.Smart@Emulex.Comf888ba32005-08-10 15:03:01 -040027#include <scsi/scsi_device.h>
28#include <scsi/scsi_transport_fc.h>
James.Smart@Emulex.Com91886522005-08-10 15:03:09 -040029#include <scsi/scsi.h>
James Smart6a9c52c2009-10-02 15:16:51 -040030#include <scsi/fc/fc_fs.h>
James.Smart@Emulex.Com91886522005-08-10 15:03:09 -040031
James Smartda0436e2009-05-22 14:51:39 -040032#include "lpfc_hw4.h"
dea31012005-04-17 16:05:31 -050033#include "lpfc_hw.h"
34#include "lpfc_sli.h"
James Smartda0436e2009-05-22 14:51:39 -040035#include "lpfc_sli4.h"
James Smartea2151b2008-09-07 11:52:10 -040036#include "lpfc_nl.h"
dea31012005-04-17 16:05:31 -050037#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
James Smarte59058c2008-08-24 21:49:00 -040044/**
James Smart21e9a0a2009-05-22 14:53:21 -040045 * 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 **/
James Smart1c6834a2009-07-19 10:01:26 -040056int
James Smart21e9a0a2009-05-22 14:53:21 -040057lpfc_dump_static_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb,
58 uint16_t offset)
59{
60 MAILBOX_t *mb;
James Smart1c6834a2009-07-19 10:01:26 -040061 struct lpfc_dmabuf *mp;
James Smart21e9a0a2009-05-22 14:53:21 -040062
63 mb = &pmb->u.mb;
James Smart21e9a0a2009-05-22 14:53:21 -040064
65 /* Setup to dump vport info region */
66 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
67 mb->mbxCommand = MBX_DUMP_MEMORY;
James Smart21e9a0a2009-05-22 14:53:21 -040068 mb->un.varDmp.type = DMP_NV_PARAMS;
69 mb->un.varDmp.entry_index = offset;
70 mb->un.varDmp.region_id = DMP_REGION_VPORT;
James Smart21e9a0a2009-05-22 14:53:21 -040071 mb->mbxOwner = OWN_HOST;
72
James Smart1c6834a2009-07-19 10:01:26 -040073 /* 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 */
95 pmb->context2 = (uint8_t *) mp;
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;
James Smart21e9a0a2009-05-22 14:53:21 -0400101}
102
103/**
James Smarta0c87cb2009-07-19 10:01:10 -0400104 * lpfc_down_link - Bring down HBAs link.
James Smarte59058c2008-08-24 21:49:00 -0400105 * @phba: pointer to lpfc hba data structure.
106 * @pmb: pointer to the driver internal queue element for mailbox command.
James Smarta0c87cb2009-07-19 10:01:10 -0400107 *
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.
James Smarte59058c2008-08-24 21:49:00 -0400126 *
127 * The dump mailbox command provides a method for the device driver to obtain
128 * various types of information from the HBA device.
129 *
James Smarta0c87cb2009-07-19 10:01:10 -0400130 * This routine prepares the mailbox command for dumping HBA's config region.
James Smarte59058c2008-08-24 21:49:00 -0400131 **/
dea31012005-04-17 16:05:31 -0500132void
James Smarta0c87cb2009-07-19 10:01:10 -0400133lpfc_dump_mem(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, uint16_t offset,
134 uint16_t region_id)
dea31012005-04-17 16:05:31 -0500135{
136 MAILBOX_t *mb;
137 void *ctx;
138
James Smart04c68492009-05-22 14:52:52 -0400139 mb = &pmb->u.mb;
dea31012005-04-17 16:05:31 -0500140 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;
James Smarta0c87cb2009-07-19 10:01:10 -0400148 mb->un.varDmp.region_id = region_id;
dea31012005-04-17 16:05:31 -0500149 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
James Smarte59058c2008-08-24 21:49:00 -0400157/**
James Smart3621a712009-04-06 18:47:14 -0400158 * lpfc_dump_wakeup_param - Prepare mailbox command for retrieving wakeup params
James Smart97207482008-12-04 22:39:19 -0500159 * @phba: pointer to lpfc hba data structure.
160 * @pmb: pointer to the driver internal queue element for mailbox command.
James Smart3621a712009-04-06 18:47:14 -0400161 *
James Smart97207482008-12-04 22:39:19 -0500162 * 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
James Smart04c68492009-05-22 14:52:52 -0400171 mb = &pmb->u.mb;
James Smart97207482008-12-04 22:39:19 -0500172 /* 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;
181 mb->un.varDmp.entry_index = 0;
182 mb->un.varDmp.region_id = WAKE_UP_PARMS_REGION_ID;
183 mb->un.varDmp.word_cnt = WAKE_UP_PARMS_WORD_SIZE;
184 mb->un.varDmp.co = 0;
185 mb->un.varDmp.resp_offset = 0;
186 pmb->context2 = ctx;
187 return;
188}
189
190/**
James Smart3621a712009-04-06 18:47:14 -0400191 * lpfc_read_nv - Prepare a mailbox command for reading HBA's NVRAM param
James Smarte59058c2008-08-24 21:49:00 -0400192 * @phba: pointer to lpfc hba data structure.
193 * @pmb: pointer to the driver internal queue element for mailbox command.
194 *
195 * The read NVRAM mailbox command returns the HBA's non-volatile parameters
196 * that are used as defaults when the Fibre Channel link is brought on-line.
197 *
198 * This routine prepares the mailbox command for reading information stored
199 * in the HBA's NVRAM. Specifically, the HBA's WWNN and WWPN.
200 **/
dea31012005-04-17 16:05:31 -0500201void
202lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
203{
204 MAILBOX_t *mb;
205
James Smart04c68492009-05-22 14:52:52 -0400206 mb = &pmb->u.mb;
dea31012005-04-17 16:05:31 -0500207 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
208 mb->mbxCommand = MBX_READ_NV;
209 mb->mbxOwner = OWN_HOST;
210 return;
211}
212
James Smarte59058c2008-08-24 21:49:00 -0400213/**
James Smart3621a712009-04-06 18:47:14 -0400214 * lpfc_config_async - Prepare a mailbox command for enabling HBA async event
James Smarte59058c2008-08-24 21:49:00 -0400215 * @phba: pointer to lpfc hba data structure.
216 * @pmb: pointer to the driver internal queue element for mailbox command.
217 * @ring: ring number for the asynchronous event to be configured.
218 *
219 * The asynchronous event enable mailbox command is used to enable the
220 * asynchronous event posting via the ASYNC_STATUS_CN IOCB response and
221 * specifies the default ring to which events are posted.
222 *
223 * This routine prepares the mailbox command for enabling HBA asynchronous
224 * event support on a IOCB ring.
225 **/
James Smart57127f12007-10-27 13:37:05 -0400226void
227lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
228 uint32_t ring)
229{
230 MAILBOX_t *mb;
231
James Smart04c68492009-05-22 14:52:52 -0400232 mb = &pmb->u.mb;
James Smart57127f12007-10-27 13:37:05 -0400233 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
234 mb->mbxCommand = MBX_ASYNCEVT_ENABLE;
235 mb->un.varCfgAsyncEvent.ring = ring;
236 mb->mbxOwner = OWN_HOST;
237 return;
238}
239
James Smarte59058c2008-08-24 21:49:00 -0400240/**
James Smart3621a712009-04-06 18:47:14 -0400241 * lpfc_heart_beat - Prepare a mailbox command for heart beat
James Smarte59058c2008-08-24 21:49:00 -0400242 * @phba: pointer to lpfc hba data structure.
243 * @pmb: pointer to the driver internal queue element for mailbox command.
244 *
245 * The heart beat mailbox command is used to detect an unresponsive HBA, which
246 * is defined as any device where no error attention is sent and both mailbox
247 * and rings are not processed.
248 *
249 * This routine prepares the mailbox command for issuing a heart beat in the
250 * form of mailbox command to the HBA. The timely completion of the heart
251 * beat mailbox command indicates the health of the HBA.
252 **/
James Smart858c9f62007-06-17 19:56:39 -0500253void
254lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
255{
256 MAILBOX_t *mb;
257
James Smart04c68492009-05-22 14:52:52 -0400258 mb = &pmb->u.mb;
James Smart858c9f62007-06-17 19:56:39 -0500259 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
260 mb->mbxCommand = MBX_HEARTBEAT;
261 mb->mbxOwner = OWN_HOST;
262 return;
263}
264
James Smarte59058c2008-08-24 21:49:00 -0400265/**
James Smart3621a712009-04-06 18:47:14 -0400266 * lpfc_read_la - Prepare a mailbox command for reading HBA link attention
James Smarte59058c2008-08-24 21:49:00 -0400267 * @phba: pointer to lpfc hba data structure.
268 * @pmb: pointer to the driver internal queue element for mailbox command.
269 * @mp: DMA buffer memory for reading the link attention information into.
270 *
271 * The read link attention mailbox command is issued to read the Link Event
272 * Attention information indicated by the HBA port when the Link Event bit
273 * of the Host Attention (HSTATT) register is set to 1. A Link Event
274 * Attention occurs based on an exception detected at the Fibre Channel link
275 * interface.
276 *
277 * This routine prepares the mailbox command for reading HBA link attention
278 * information. A DMA memory has been set aside and address passed to the
279 * HBA through @mp for the HBA to DMA link attention information into the
280 * memory as part of the execution of the mailbox command.
281 *
282 * Return codes
283 * 0 - Success (currently always return 0)
284 **/
dea31012005-04-17 16:05:31 -0500285int
286lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, struct lpfc_dmabuf *mp)
287{
288 MAILBOX_t *mb;
289 struct lpfc_sli *psli;
290
291 psli = &phba->sli;
James Smart04c68492009-05-22 14:52:52 -0400292 mb = &pmb->u.mb;
dea31012005-04-17 16:05:31 -0500293 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
294
295 INIT_LIST_HEAD(&mp->list);
296 mb->mbxCommand = MBX_READ_LA64;
297 mb->un.varReadLA.un.lilpBde64.tus.f.bdeSize = 128;
298 mb->un.varReadLA.un.lilpBde64.addrHigh = putPaddrHigh(mp->phys);
299 mb->un.varReadLA.un.lilpBde64.addrLow = putPaddrLow(mp->phys);
300
301 /* Save address for later completion and set the owner to host so that
302 * the FW knows this mailbox is available for processing.
303 */
304 pmb->context1 = (uint8_t *) mp;
305 mb->mbxOwner = OWN_HOST;
James Smart92d7f7b2007-06-17 19:56:38 -0500306 return (0);
dea31012005-04-17 16:05:31 -0500307}
308
James Smarte59058c2008-08-24 21:49:00 -0400309/**
James Smart3621a712009-04-06 18:47:14 -0400310 * lpfc_clear_la - Prepare a mailbox command for clearing HBA link attention
James Smarte59058c2008-08-24 21:49:00 -0400311 * @phba: pointer to lpfc hba data structure.
312 * @pmb: pointer to the driver internal queue element for mailbox command.
313 *
314 * The clear link attention mailbox command is issued to clear the link event
315 * attention condition indicated by the Link Event bit of the Host Attention
316 * (HSTATT) register. The link event attention condition is cleared only if
317 * the event tag specified matches that of the current link event counter.
318 * The current event tag is read using the read link attention event mailbox
319 * command.
320 *
321 * This routine prepares the mailbox command for clearing HBA link attention
322 * information.
323 **/
dea31012005-04-17 16:05:31 -0500324void
325lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
326{
327 MAILBOX_t *mb;
328
James Smart04c68492009-05-22 14:52:52 -0400329 mb = &pmb->u.mb;
dea31012005-04-17 16:05:31 -0500330 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
331
332 mb->un.varClearLA.eventTag = phba->fc_eventTag;
333 mb->mbxCommand = MBX_CLEAR_LA;
334 mb->mbxOwner = OWN_HOST;
335 return;
336}
337
James Smarte59058c2008-08-24 21:49:00 -0400338/**
James Smart3621a712009-04-06 18:47:14 -0400339 * lpfc_config_link - Prepare a mailbox command for configuring link on a HBA
James Smarte59058c2008-08-24 21:49:00 -0400340 * @phba: pointer to lpfc hba data structure.
341 * @pmb: pointer to the driver internal queue element for mailbox command.
342 *
343 * The configure link mailbox command is used before the initialize link
344 * mailbox command to override default value and to configure link-oriented
345 * parameters such as DID address and various timers. Typically, this
346 * command would be used after an F_Port login to set the returned DID address
347 * and the fabric timeout values. This command is not valid before a configure
348 * port command has configured the HBA port.
349 *
350 * This routine prepares the mailbox command for configuring link on a HBA.
351 **/
dea31012005-04-17 16:05:31 -0500352void
353lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
354{
James Smart2e0fef82007-06-17 19:56:36 -0500355 struct lpfc_vport *vport = phba->pport;
James Smart04c68492009-05-22 14:52:52 -0400356 MAILBOX_t *mb = &pmb->u.mb;
dea31012005-04-17 16:05:31 -0500357 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
358
359 /* NEW_FEATURE
360 * SLI-2, Coalescing Response Feature.
361 */
362 if (phba->cfg_cr_delay) {
363 mb->un.varCfgLnk.cr = 1;
364 mb->un.varCfgLnk.ci = 1;
365 mb->un.varCfgLnk.cr_delay = phba->cfg_cr_delay;
366 mb->un.varCfgLnk.cr_count = phba->cfg_cr_count;
367 }
368
James Smart2e0fef82007-06-17 19:56:36 -0500369 mb->un.varCfgLnk.myId = vport->fc_myDID;
dea31012005-04-17 16:05:31 -0500370 mb->un.varCfgLnk.edtov = phba->fc_edtov;
371 mb->un.varCfgLnk.arbtov = phba->fc_arbtov;
372 mb->un.varCfgLnk.ratov = phba->fc_ratov;
373 mb->un.varCfgLnk.rttov = phba->fc_rttov;
374 mb->un.varCfgLnk.altov = phba->fc_altov;
375 mb->un.varCfgLnk.crtov = phba->fc_crtov;
376 mb->un.varCfgLnk.citov = phba->fc_citov;
377
378 if (phba->cfg_ack0)
379 mb->un.varCfgLnk.ack0_enable = 1;
380
381 mb->mbxCommand = MBX_CONFIG_LINK;
382 mb->mbxOwner = OWN_HOST;
383 return;
384}
385
James Smarte59058c2008-08-24 21:49:00 -0400386/**
James Smart3621a712009-04-06 18:47:14 -0400387 * lpfc_config_msi - Prepare a mailbox command for configuring msi-x
James Smart93996272008-08-24 21:50:30 -0400388 * @phba: pointer to lpfc hba data structure.
389 * @pmb: pointer to the driver internal queue element for mailbox command.
390 *
391 * The configure MSI-X mailbox command is used to configure the HBA's SLI-3
392 * MSI-X multi-message interrupt vector association to interrupt attention
393 * conditions.
394 *
395 * Return codes
396 * 0 - Success
397 * -EINVAL - Failure
398 **/
399int
400lpfc_config_msi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
401{
James Smart04c68492009-05-22 14:52:52 -0400402 MAILBOX_t *mb = &pmb->u.mb;
James Smart93996272008-08-24 21:50:30 -0400403 uint32_t attentionConditions[2];
404
405 /* Sanity check */
406 if (phba->cfg_use_msi != 2) {
407 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
408 "0475 Not configured for supporting MSI-X "
409 "cfg_use_msi: 0x%x\n", phba->cfg_use_msi);
410 return -EINVAL;
411 }
412
413 if (phba->sli_rev < 3) {
414 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
415 "0476 HBA not supporting SLI-3 or later "
416 "SLI Revision: 0x%x\n", phba->sli_rev);
417 return -EINVAL;
418 }
419
420 /* Clear mailbox command fields */
421 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
422
423 /*
424 * SLI-3, Message Signaled Interrupt Fearure.
425 */
426
427 /* Multi-message attention configuration */
428 attentionConditions[0] = (HA_R0ATT | HA_R1ATT | HA_R2ATT | HA_ERATT |
429 HA_LATT | HA_MBATT);
430 attentionConditions[1] = 0;
431
432 mb->un.varCfgMSI.attentionConditions[0] = attentionConditions[0];
433 mb->un.varCfgMSI.attentionConditions[1] = attentionConditions[1];
434
435 /*
436 * Set up message number to HA bit association
437 */
438#ifdef __BIG_ENDIAN_BITFIELD
439 /* RA0 (FCP Ring) */
440 mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS] = 1;
441 /* RA1 (Other Protocol Extra Ring) */
442 mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS] = 1;
443#else /* __LITTLE_ENDIAN_BITFIELD */
444 /* RA0 (FCP Ring) */
445 mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS^3] = 1;
446 /* RA1 (Other Protocol Extra Ring) */
447 mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS^3] = 1;
448#endif
449 /* Multi-message interrupt autoclear configuration*/
450 mb->un.varCfgMSI.autoClearHA[0] = attentionConditions[0];
451 mb->un.varCfgMSI.autoClearHA[1] = attentionConditions[1];
452
453 /* For now, HBA autoclear does not work reliably, disable it */
454 mb->un.varCfgMSI.autoClearHA[0] = 0;
455 mb->un.varCfgMSI.autoClearHA[1] = 0;
456
457 /* Set command and owner bit */
458 mb->mbxCommand = MBX_CONFIG_MSI;
459 mb->mbxOwner = OWN_HOST;
460
461 return 0;
462}
463
464/**
James Smart3621a712009-04-06 18:47:14 -0400465 * lpfc_init_link - Prepare a mailbox command for initialize link on a HBA
James Smarte59058c2008-08-24 21:49:00 -0400466 * @phba: pointer to lpfc hba data structure.
467 * @pmb: pointer to the driver internal queue element for mailbox command.
468 * @topology: the link topology for the link to be initialized to.
469 * @linkspeed: the link speed for the link to be initialized to.
470 *
471 * The initialize link mailbox command is used to initialize the Fibre
472 * Channel link. This command must follow a configure port command that
473 * establishes the mode of operation.
474 *
475 * This routine prepares the mailbox command for initializing link on a HBA
476 * with the specified link topology and speed.
477 **/
dea31012005-04-17 16:05:31 -0500478void
479lpfc_init_link(struct lpfc_hba * phba,
480 LPFC_MBOXQ_t * pmb, uint32_t topology, uint32_t linkspeed)
481{
482 lpfc_vpd_t *vpd;
483 struct lpfc_sli *psli;
484 MAILBOX_t *mb;
485
James Smart04c68492009-05-22 14:52:52 -0400486 mb = &pmb->u.mb;
dea31012005-04-17 16:05:31 -0500487 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
488
489 psli = &phba->sli;
490 switch (topology) {
491 case FLAGS_TOPOLOGY_MODE_LOOP_PT:
492 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP;
493 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER;
494 break;
495 case FLAGS_TOPOLOGY_MODE_PT_PT:
496 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
497 break;
498 case FLAGS_TOPOLOGY_MODE_LOOP:
499 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP;
500 break;
501 case FLAGS_TOPOLOGY_MODE_PT_LOOP:
502 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
503 mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER;
504 break;
Jamie Wellnitz367c2712006-02-28 19:25:32 -0500505 case FLAGS_LOCAL_LB:
506 mb->un.varInitLnk.link_flags = FLAGS_LOCAL_LB;
507 break;
dea31012005-04-17 16:05:31 -0500508 }
509
James Smart4b0b91d2006-04-15 11:53:00 -0400510 /* Enable asynchronous ABTS responses from firmware */
511 mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT;
512
dea31012005-04-17 16:05:31 -0500513 /* NEW_FEATURE
514 * Setting up the link speed
515 */
516 vpd = &phba->vpd;
517 if (vpd->rev.feaLevelHigh >= 0x02){
James Smart92d7f7b2007-06-17 19:56:38 -0500518 switch(linkspeed){
dea31012005-04-17 16:05:31 -0500519 case LINK_SPEED_1G:
520 case LINK_SPEED_2G:
521 case LINK_SPEED_4G:
James Smartb87eab32007-04-25 09:53:28 -0400522 case LINK_SPEED_8G:
dea31012005-04-17 16:05:31 -0500523 mb->un.varInitLnk.link_flags |=
524 FLAGS_LINK_SPEED;
525 mb->un.varInitLnk.link_speed = linkspeed;
526 break;
527 case LINK_SPEED_AUTO:
528 default:
529 mb->un.varInitLnk.link_speed =
530 LINK_SPEED_AUTO;
531 break;
532 }
533
534 }
535 else
536 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO;
537
538 mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK;
539 mb->mbxOwner = OWN_HOST;
540 mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA;
541 return;
542}
543
James Smarte59058c2008-08-24 21:49:00 -0400544/**
James Smart3621a712009-04-06 18:47:14 -0400545 * lpfc_read_sparam - Prepare a mailbox command for reading HBA parameters
James Smarte59058c2008-08-24 21:49:00 -0400546 * @phba: pointer to lpfc hba data structure.
547 * @pmb: pointer to the driver internal queue element for mailbox command.
548 * @vpi: virtual N_Port identifier.
549 *
550 * The read service parameter mailbox command is used to read the HBA port
551 * service parameters. The service parameters are read into the buffer
552 * specified directly by a BDE in the mailbox command. These service
553 * parameters may then be used to build the payload of an N_Port/F_POrt
554 * login request and reply (LOGI/ACC).
555 *
556 * This routine prepares the mailbox command for reading HBA port service
557 * parameters. The DMA memory is allocated in this function and the addresses
558 * are populated into the mailbox command for the HBA to DMA the service
559 * parameters into.
560 *
561 * Return codes
562 * 0 - Success
563 * 1 - DMA memory allocation failed
564 **/
dea31012005-04-17 16:05:31 -0500565int
James Smart92d7f7b2007-06-17 19:56:38 -0500566lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi)
dea31012005-04-17 16:05:31 -0500567{
568 struct lpfc_dmabuf *mp;
569 MAILBOX_t *mb;
570 struct lpfc_sli *psli;
571
572 psli = &phba->sli;
James Smart04c68492009-05-22 14:52:52 -0400573 mb = &pmb->u.mb;
dea31012005-04-17 16:05:31 -0500574 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
575
576 mb->mbxOwner = OWN_HOST;
577
578 /* Get a buffer to hold the HBAs Service Parameters */
579
James Smart98c9ea52007-10-27 13:37:33 -0400580 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
581 if (mp)
582 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
583 if (!mp || !mp->virt) {
Jesper Juhlc9475cb2005-11-07 01:01:26 -0800584 kfree(mp);
dea31012005-04-17 16:05:31 -0500585 mb->mbxCommand = MBX_READ_SPARM64;
586 /* READ_SPARAM: no buffers */
James Smarte8b62012007-08-02 11:10:09 -0400587 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
588 "0301 READ_SPARAM: no buffers\n");
James Smart92d7f7b2007-06-17 19:56:38 -0500589 return (1);
dea31012005-04-17 16:05:31 -0500590 }
591 INIT_LIST_HEAD(&mp->list);
592 mb->mbxCommand = MBX_READ_SPARM64;
593 mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
594 mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys);
595 mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys);
James Smart04c68492009-05-22 14:52:52 -0400596 mb->un.varRdSparm.vpi = vpi + phba->vpi_base;
dea31012005-04-17 16:05:31 -0500597
598 /* save address for completion */
599 pmb->context1 = mp;
600
James Smart92d7f7b2007-06-17 19:56:38 -0500601 return (0);
dea31012005-04-17 16:05:31 -0500602}
603
James Smarte59058c2008-08-24 21:49:00 -0400604/**
James Smart3621a712009-04-06 18:47:14 -0400605 * lpfc_unreg_did - Prepare a mailbox command for unregistering DID
James Smarte59058c2008-08-24 21:49:00 -0400606 * @phba: pointer to lpfc hba data structure.
607 * @vpi: virtual N_Port identifier.
608 * @did: remote port identifier.
609 * @pmb: pointer to the driver internal queue element for mailbox command.
610 *
611 * The unregister DID mailbox command is used to unregister an N_Port/F_Port
612 * login for an unknown RPI by specifying the DID of a remote port. This
613 * command frees an RPI context in the HBA port. This has the effect of
614 * performing an implicit N_Port/F_Port logout.
615 *
616 * This routine prepares the mailbox command for unregistering a remote
617 * N_Port/F_Port (DID) login.
618 **/
dea31012005-04-17 16:05:31 -0500619void
James Smart92d7f7b2007-06-17 19:56:38 -0500620lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did,
621 LPFC_MBOXQ_t * pmb)
dea31012005-04-17 16:05:31 -0500622{
623 MAILBOX_t *mb;
624
James Smart04c68492009-05-22 14:52:52 -0400625 mb = &pmb->u.mb;
dea31012005-04-17 16:05:31 -0500626 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
627
628 mb->un.varUnregDID.did = did;
James Smart04c68492009-05-22 14:52:52 -0400629 if (vpi != 0xffff)
630 vpi += phba->vpi_base;
James Smart92d7f7b2007-06-17 19:56:38 -0500631 mb->un.varUnregDID.vpi = vpi;
dea31012005-04-17 16:05:31 -0500632
633 mb->mbxCommand = MBX_UNREG_D_ID;
634 mb->mbxOwner = OWN_HOST;
635 return;
636}
637
James Smarte59058c2008-08-24 21:49:00 -0400638/**
James Smart3621a712009-04-06 18:47:14 -0400639 * lpfc_read_config - Prepare a mailbox command for reading HBA configuration
James Smarte59058c2008-08-24 21:49:00 -0400640 * @phba: pointer to lpfc hba data structure.
641 * @pmb: pointer to the driver internal queue element for mailbox command.
642 *
643 * The read configuration mailbox command is used to read the HBA port
644 * configuration parameters. This mailbox command provides a method for
645 * seeing any parameters that may have changed via various configuration
646 * mailbox commands.
647 *
648 * This routine prepares the mailbox command for reading out HBA configuration
649 * parameters.
650 **/
dea31012005-04-17 16:05:31 -0500651void
652lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
653{
654 MAILBOX_t *mb;
655
James Smart04c68492009-05-22 14:52:52 -0400656 mb = &pmb->u.mb;
dea31012005-04-17 16:05:31 -0500657 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
658
659 mb->mbxCommand = MBX_READ_CONFIG;
660 mb->mbxOwner = OWN_HOST;
661 return;
662}
663
James Smarte59058c2008-08-24 21:49:00 -0400664/**
James Smart3621a712009-04-06 18:47:14 -0400665 * lpfc_read_lnk_stat - Prepare a mailbox command for reading HBA link stats
James Smarte59058c2008-08-24 21:49:00 -0400666 * @phba: pointer to lpfc hba data structure.
667 * @pmb: pointer to the driver internal queue element for mailbox command.
668 *
669 * The read link status mailbox command is used to read the link status from
670 * the HBA. Link status includes all link-related error counters. These
671 * counters are maintained by the HBA and originated in the link hardware
672 * unit. Note that all of these counters wrap.
673 *
674 * This routine prepares the mailbox command for reading out HBA link status.
675 **/
Jamie Wellnitz7bb3b132006-02-28 19:25:15 -0500676void
677lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
678{
679 MAILBOX_t *mb;
680
James Smart04c68492009-05-22 14:52:52 -0400681 mb = &pmb->u.mb;
Jamie Wellnitz7bb3b132006-02-28 19:25:15 -0500682 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
683
684 mb->mbxCommand = MBX_READ_LNK_STAT;
685 mb->mbxOwner = OWN_HOST;
686 return;
687}
688
James Smarte59058c2008-08-24 21:49:00 -0400689/**
James Smart04c68492009-05-22 14:52:52 -0400690 * lpfc_reg_rpi - Prepare a mailbox command for registering remote login
James Smarte59058c2008-08-24 21:49:00 -0400691 * @phba: pointer to lpfc hba data structure.
692 * @vpi: virtual N_Port identifier.
693 * @did: remote port identifier.
694 * @param: pointer to memory holding the server parameters.
695 * @pmb: pointer to the driver internal queue element for mailbox command.
696 * @flag: action flag to be passed back for the complete function.
697 *
698 * The registration login mailbox command is used to register an N_Port or
699 * F_Port login. This registration allows the HBA to cache the remote N_Port
700 * service parameters internally and thereby make the appropriate FC-2
701 * decisions. The remote port service parameters are handed off by the driver
702 * to the HBA using a descriptor entry that directly identifies a buffer in
703 * host memory. In exchange, the HBA returns an RPI identifier.
704 *
705 * This routine prepares the mailbox command for registering remote port login.
706 * The function allocates DMA buffer for passing the service parameters to the
707 * HBA with the mailbox command.
708 *
709 * Return codes
710 * 0 - Success
711 * 1 - DMA memory allocation failed
712 **/
dea31012005-04-17 16:05:31 -0500713int
James Smart04c68492009-05-22 14:52:52 -0400714lpfc_reg_rpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t did,
James Smart92d7f7b2007-06-17 19:56:38 -0500715 uint8_t *param, LPFC_MBOXQ_t *pmb, uint32_t flag)
dea31012005-04-17 16:05:31 -0500716{
James Smart04c68492009-05-22 14:52:52 -0400717 MAILBOX_t *mb = &pmb->u.mb;
dea31012005-04-17 16:05:31 -0500718 uint8_t *sparam;
719 struct lpfc_dmabuf *mp;
dea31012005-04-17 16:05:31 -0500720
dea31012005-04-17 16:05:31 -0500721 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
722
723 mb->un.varRegLogin.rpi = 0;
James Smart04c68492009-05-22 14:52:52 -0400724 if (phba->sli_rev == LPFC_SLI_REV4) {
725 mb->un.varRegLogin.rpi = lpfc_sli4_alloc_rpi(phba);
726 if (mb->un.varRegLogin.rpi == LPFC_RPI_ALLOC_ERROR)
727 return 1;
728 }
729
730 mb->un.varRegLogin.vpi = vpi + phba->vpi_base;
dea31012005-04-17 16:05:31 -0500731 mb->un.varRegLogin.did = did;
732 mb->un.varWords[30] = flag; /* Set flag to issue action on cmpl */
733
734 mb->mbxOwner = OWN_HOST;
735
736 /* Get a buffer to hold NPorts Service Parameters */
James Smart98c9ea52007-10-27 13:37:33 -0400737 mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
738 if (mp)
739 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
740 if (!mp || !mp->virt) {
Jesper Juhlc9475cb2005-11-07 01:01:26 -0800741 kfree(mp);
dea31012005-04-17 16:05:31 -0500742 mb->mbxCommand = MBX_REG_LOGIN64;
743 /* REG_LOGIN: no buffers */
James Smart92d7f7b2007-06-17 19:56:38 -0500744 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
James Smarte8b62012007-08-02 11:10:09 -0400745 "0302 REG_LOGIN: no buffers, VPI:%d DID:x%x, "
746 "flag x%x\n", vpi, did, flag);
James Smart92d7f7b2007-06-17 19:56:38 -0500747 return (1);
dea31012005-04-17 16:05:31 -0500748 }
749 INIT_LIST_HEAD(&mp->list);
750 sparam = mp->virt;
751
752 /* Copy param's into a new buffer */
753 memcpy(sparam, param, sizeof (struct serv_parm));
754
755 /* save address for completion */
756 pmb->context1 = (uint8_t *) mp;
757
758 mb->mbxCommand = MBX_REG_LOGIN64;
759 mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
760 mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys);
761 mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys);
762
James Smart92d7f7b2007-06-17 19:56:38 -0500763 return (0);
dea31012005-04-17 16:05:31 -0500764}
765
James Smarte59058c2008-08-24 21:49:00 -0400766/**
James Smart3621a712009-04-06 18:47:14 -0400767 * lpfc_unreg_login - Prepare a mailbox command for unregistering remote login
James Smarte59058c2008-08-24 21:49:00 -0400768 * @phba: pointer to lpfc hba data structure.
769 * @vpi: virtual N_Port identifier.
770 * @rpi: remote port identifier
771 * @pmb: pointer to the driver internal queue element for mailbox command.
772 *
773 * The unregistration login mailbox command is used to unregister an N_Port
774 * or F_Port login. This command frees an RPI context in the HBA. It has the
775 * effect of performing an implicit N_Port/F_Port logout.
776 *
777 * This routine prepares the mailbox command for unregistering remote port
778 * login.
779 **/
dea31012005-04-17 16:05:31 -0500780void
James Smart92d7f7b2007-06-17 19:56:38 -0500781lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi,
782 LPFC_MBOXQ_t * pmb)
dea31012005-04-17 16:05:31 -0500783{
784 MAILBOX_t *mb;
785
James Smart04c68492009-05-22 14:52:52 -0400786 mb = &pmb->u.mb;
dea31012005-04-17 16:05:31 -0500787 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
788
789 mb->un.varUnregLogin.rpi = (uint16_t) rpi;
790 mb->un.varUnregLogin.rsvd1 = 0;
James Smart04c68492009-05-22 14:52:52 -0400791 mb->un.varUnregLogin.vpi = vpi + phba->vpi_base;
dea31012005-04-17 16:05:31 -0500792
793 mb->mbxCommand = MBX_UNREG_LOGIN;
794 mb->mbxOwner = OWN_HOST;
James Smart04c68492009-05-22 14:52:52 -0400795
dea31012005-04-17 16:05:31 -0500796 return;
797}
798
James Smarte59058c2008-08-24 21:49:00 -0400799/**
James Smart5af5eee2010-10-22 11:06:38 -0400800 * lpfc_sli4_unreg_all_rpis - unregister all RPIs for a vport on SLI4 HBA.
801 * @vport: pointer to a vport object.
802 *
803 * This routine sends mailbox command to unregister all active RPIs for
804 * a vport.
805 **/
806void
807lpfc_sli4_unreg_all_rpis(struct lpfc_vport *vport)
808{
809 struct lpfc_hba *phba = vport->phba;
810 LPFC_MBOXQ_t *mbox;
811 int rc;
812
813 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
814 if (mbox) {
815 lpfc_unreg_login(phba, vport->vpi,
816 vport->vpi + phba->vpi_base, mbox);
817 mbox->u.mb.un.varUnregLogin.rsvd1 = 0x4000 ;
818 mbox->vport = vport;
819 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
820 mbox->context1 = NULL;
821 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
822 if (rc == MBX_NOT_FINISHED)
823 mempool_free(mbox, phba->mbox_mem_pool);
824 }
825}
826
827/**
James Smart3621a712009-04-06 18:47:14 -0400828 * lpfc_reg_vpi - Prepare a mailbox command for registering vport identifier
James Smarte59058c2008-08-24 21:49:00 -0400829 * @phba: pointer to lpfc hba data structure.
830 * @vpi: virtual N_Port identifier.
831 * @sid: Fibre Channel S_ID (N_Port_ID assigned to a virtual N_Port).
832 * @pmb: pointer to the driver internal queue element for mailbox command.
833 *
834 * The registration vport identifier mailbox command is used to activate a
835 * virtual N_Port after it has acquired an N_Port_ID. The HBA validates the
836 * N_Port_ID against the information in the selected virtual N_Port context
837 * block and marks it active to allow normal processing of IOCB commands and
838 * received unsolicited exchanges.
839 *
840 * This routine prepares the mailbox command for registering a virtual N_Port.
841 **/
James Smart92d7f7b2007-06-17 19:56:38 -0500842void
James Smart04c68492009-05-22 14:52:52 -0400843lpfc_reg_vpi(struct lpfc_vport *vport, LPFC_MBOXQ_t *pmb)
James Smart92d7f7b2007-06-17 19:56:38 -0500844{
James Smart04c68492009-05-22 14:52:52 -0400845 MAILBOX_t *mb = &pmb->u.mb;
James Smart38b92ef2010-08-04 16:11:39 -0400846 struct lpfc_hba *phba = vport->phba;
James Smart92d7f7b2007-06-17 19:56:38 -0500847
848 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
James Smart38b92ef2010-08-04 16:11:39 -0400849 /*
850 * Set the re-reg VPI bit for f/w to update the MAC address.
851 */
852 if ((phba->sli_rev == LPFC_SLI_REV4) &&
853 !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI))
854 mb->un.varRegVpi.upd = 1;
James Smart04c68492009-05-22 14:52:52 -0400855 mb->un.varRegVpi.vpi = vport->vpi + vport->phba->vpi_base;
856 mb->un.varRegVpi.sid = vport->fc_myDID;
857 mb->un.varRegVpi.vfi = vport->vfi + vport->phba->vfi_base;
James Smartc8685952009-11-18 15:39:16 -0500858 memcpy(mb->un.varRegVpi.wwn, &vport->fc_portname,
859 sizeof(struct lpfc_name));
860 mb->un.varRegVpi.wwn[0] = cpu_to_le32(mb->un.varRegVpi.wwn[0]);
861 mb->un.varRegVpi.wwn[1] = cpu_to_le32(mb->un.varRegVpi.wwn[1]);
James Smart92d7f7b2007-06-17 19:56:38 -0500862
863 mb->mbxCommand = MBX_REG_VPI;
864 mb->mbxOwner = OWN_HOST;
865 return;
866
867}
868
James Smarte59058c2008-08-24 21:49:00 -0400869/**
James Smart3621a712009-04-06 18:47:14 -0400870 * lpfc_unreg_vpi - Prepare a mailbox command for unregistering vport id
James Smarte59058c2008-08-24 21:49:00 -0400871 * @phba: pointer to lpfc hba data structure.
872 * @vpi: virtual N_Port identifier.
873 * @pmb: pointer to the driver internal queue element for mailbox command.
874 *
875 * The unregistration vport identifier mailbox command is used to inactivate
876 * a virtual N_Port. The driver must have logged out and unregistered all
877 * remote N_Ports to abort any activity on the virtual N_Port. The HBA will
878 * unregisters any default RPIs associated with the specified vpi, aborting
879 * any active exchanges. The HBA will post the mailbox response after making
880 * the virtual N_Port inactive.
881 *
882 * This routine prepares the mailbox command for unregistering a virtual
883 * N_Port.
884 **/
James Smart92d7f7b2007-06-17 19:56:38 -0500885void
886lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb)
887{
James Smart04c68492009-05-22 14:52:52 -0400888 MAILBOX_t *mb = &pmb->u.mb;
James Smart92d7f7b2007-06-17 19:56:38 -0500889 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
890
James Smart6669f9b2009-10-02 15:16:45 -0400891 if (phba->sli_rev < LPFC_SLI_REV4)
892 mb->un.varUnregVpi.vpi = vpi + phba->vpi_base;
893 else
894 mb->un.varUnregVpi.sli4_vpi = vpi + phba->vpi_base;
James Smart92d7f7b2007-06-17 19:56:38 -0500895
896 mb->mbxCommand = MBX_UNREG_VPI;
897 mb->mbxOwner = OWN_HOST;
898 return;
899
900}
901
James Smarte59058c2008-08-24 21:49:00 -0400902/**
James Smart3621a712009-04-06 18:47:14 -0400903 * lpfc_config_pcb_setup - Set up IOCB rings in the Port Control Block (PCB)
James Smarte59058c2008-08-24 21:49:00 -0400904 * @phba: pointer to lpfc hba data structure.
905 *
906 * This routine sets up and initializes the IOCB rings in the Port Control
907 * Block (PCB).
908 **/
dea31012005-04-17 16:05:31 -0500909static void
910lpfc_config_pcb_setup(struct lpfc_hba * phba)
911{
912 struct lpfc_sli *psli = &phba->sli;
913 struct lpfc_sli_ring *pring;
James Smart34b02dc2008-08-24 21:49:55 -0400914 PCB_t *pcbp = phba->pcb;
dea31012005-04-17 16:05:31 -0500915 dma_addr_t pdma_addr;
916 uint32_t offset;
James Smart2e0fef82007-06-17 19:56:36 -0500917 uint32_t iocbCnt = 0;
dea31012005-04-17 16:05:31 -0500918 int i;
919
dea31012005-04-17 16:05:31 -0500920 pcbp->maxRing = (psli->num_rings - 1);
921
dea31012005-04-17 16:05:31 -0500922 for (i = 0; i < psli->num_rings; i++) {
923 pring = &psli->ring[i];
James Smart2e0fef82007-06-17 19:56:36 -0500924
James Smarted957682007-06-17 19:56:37 -0500925 pring->sizeCiocb = phba->sli_rev == 3 ? SLI3_IOCB_CMD_SIZE:
James Smart92d7f7b2007-06-17 19:56:38 -0500926 SLI2_IOCB_CMD_SIZE;
James Smarted957682007-06-17 19:56:37 -0500927 pring->sizeRiocb = phba->sli_rev == 3 ? SLI3_IOCB_RSP_SIZE:
James Smart92d7f7b2007-06-17 19:56:38 -0500928 SLI2_IOCB_RSP_SIZE;
dea31012005-04-17 16:05:31 -0500929 /* A ring MUST have both cmd and rsp entries defined to be
930 valid */
931 if ((pring->numCiocb == 0) || (pring->numRiocb == 0)) {
932 pcbp->rdsc[i].cmdEntries = 0;
933 pcbp->rdsc[i].rspEntries = 0;
934 pcbp->rdsc[i].cmdAddrHigh = 0;
935 pcbp->rdsc[i].rspAddrHigh = 0;
936 pcbp->rdsc[i].cmdAddrLow = 0;
937 pcbp->rdsc[i].rspAddrLow = 0;
938 pring->cmdringaddr = NULL;
939 pring->rspringaddr = NULL;
940 continue;
941 }
942 /* Command ring setup for ring */
James Smart34b02dc2008-08-24 21:49:55 -0400943 pring->cmdringaddr = (void *)&phba->IOCBs[iocbCnt];
dea31012005-04-17 16:05:31 -0500944 pcbp->rdsc[i].cmdEntries = pring->numCiocb;
945
James Smart34b02dc2008-08-24 21:49:55 -0400946 offset = (uint8_t *) &phba->IOCBs[iocbCnt] -
947 (uint8_t *) phba->slim2p.virt;
948 pdma_addr = phba->slim2p.phys + offset;
dea31012005-04-17 16:05:31 -0500949 pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr);
950 pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr);
951 iocbCnt += pring->numCiocb;
952
953 /* Response ring setup for ring */
James Smart34b02dc2008-08-24 21:49:55 -0400954 pring->rspringaddr = (void *) &phba->IOCBs[iocbCnt];
dea31012005-04-17 16:05:31 -0500955
956 pcbp->rdsc[i].rspEntries = pring->numRiocb;
James Smart34b02dc2008-08-24 21:49:55 -0400957 offset = (uint8_t *)&phba->IOCBs[iocbCnt] -
958 (uint8_t *)phba->slim2p.virt;
959 pdma_addr = phba->slim2p.phys + offset;
dea31012005-04-17 16:05:31 -0500960 pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr);
961 pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr);
962 iocbCnt += pring->numRiocb;
963 }
964}
965
James Smarte59058c2008-08-24 21:49:00 -0400966/**
James Smart3621a712009-04-06 18:47:14 -0400967 * lpfc_read_rev - Prepare a mailbox command for reading HBA revision
James Smarte59058c2008-08-24 21:49:00 -0400968 * @phba: pointer to lpfc hba data structure.
969 * @pmb: pointer to the driver internal queue element for mailbox command.
970 *
971 * The read revision mailbox command is used to read the revision levels of
972 * the HBA components. These components include hardware units, resident
973 * firmware, and available firmware. HBAs that supports SLI-3 mode of
974 * operation provide different response information depending on the version
975 * requested by the driver.
976 *
977 * This routine prepares the mailbox command for reading HBA revision
978 * information.
979 **/
dea31012005-04-17 16:05:31 -0500980void
981lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
982{
James Smart04c68492009-05-22 14:52:52 -0400983 MAILBOX_t *mb = &pmb->u.mb;
dea31012005-04-17 16:05:31 -0500984 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
985 mb->un.varRdRev.cv = 1;
James Smarted957682007-06-17 19:56:37 -0500986 mb->un.varRdRev.v3req = 1; /* Request SLI3 info */
dea31012005-04-17 16:05:31 -0500987 mb->mbxCommand = MBX_READ_REV;
988 mb->mbxOwner = OWN_HOST;
989 return;
990}
991
James Smartd7c47992010-06-08 18:31:54 -0400992void
993lpfc_sli4_swap_str(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
994{
995 MAILBOX_t *mb = &pmb->u.mb;
996 struct lpfc_mqe *mqe;
997
998 switch (mb->mbxCommand) {
999 case MBX_READ_REV:
1000 mqe = &pmb->u.mqe;
1001 lpfc_sli_pcimem_bcopy(mqe->un.read_rev.fw_name,
1002 mqe->un.read_rev.fw_name, 16);
1003 lpfc_sli_pcimem_bcopy(mqe->un.read_rev.ulp_fw_name,
1004 mqe->un.read_rev.ulp_fw_name, 16);
1005 break;
1006 default:
1007 break;
1008 }
1009 return;
1010}
1011
James Smarte59058c2008-08-24 21:49:00 -04001012/**
James Smart3621a712009-04-06 18:47:14 -04001013 * lpfc_build_hbq_profile2 - Set up the HBQ Selection Profile 2
James Smarte59058c2008-08-24 21:49:00 -04001014 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
1015 * @hbq_desc: pointer to the HBQ selection profile descriptor.
1016 *
1017 * The Host Buffer Queue (HBQ) Selection Profile 2 specifies that the HBA
1018 * tests the incoming frames' R_CTL/TYPE fields with works 10:15 and performs
1019 * the Sequence Length Test using the fields in the Selection Profile 2
1020 * extension in words 20:31.
1021 **/
James Smarted957682007-06-17 19:56:37 -05001022static void
1023lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb,
1024 struct lpfc_hbq_init *hbq_desc)
1025{
1026 hbqmb->profiles.profile2.seqlenbcnt = hbq_desc->seqlenbcnt;
1027 hbqmb->profiles.profile2.maxlen = hbq_desc->maxlen;
1028 hbqmb->profiles.profile2.seqlenoff = hbq_desc->seqlenoff;
1029}
1030
James Smarte59058c2008-08-24 21:49:00 -04001031/**
James Smart3621a712009-04-06 18:47:14 -04001032 * lpfc_build_hbq_profile3 - Set up the HBQ Selection Profile 3
James Smarte59058c2008-08-24 21:49:00 -04001033 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
1034 * @hbq_desc: pointer to the HBQ selection profile descriptor.
1035 *
1036 * The Host Buffer Queue (HBQ) Selection Profile 3 specifies that the HBA
1037 * tests the incoming frame's R_CTL/TYPE fields with words 10:15 and performs
1038 * the Sequence Length Test and Byte Field Test using the fields in the
1039 * Selection Profile 3 extension in words 20:31.
1040 **/
James Smarted957682007-06-17 19:56:37 -05001041static void
1042lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb,
1043 struct lpfc_hbq_init *hbq_desc)
1044{
1045 hbqmb->profiles.profile3.seqlenbcnt = hbq_desc->seqlenbcnt;
1046 hbqmb->profiles.profile3.maxlen = hbq_desc->maxlen;
1047 hbqmb->profiles.profile3.cmdcodeoff = hbq_desc->cmdcodeoff;
1048 hbqmb->profiles.profile3.seqlenoff = hbq_desc->seqlenoff;
1049 memcpy(&hbqmb->profiles.profile3.cmdmatch, hbq_desc->cmdmatch,
1050 sizeof(hbqmb->profiles.profile3.cmdmatch));
1051}
1052
James Smarte59058c2008-08-24 21:49:00 -04001053/**
James Smart3621a712009-04-06 18:47:14 -04001054 * lpfc_build_hbq_profile5 - Set up the HBQ Selection Profile 5
James Smarte59058c2008-08-24 21:49:00 -04001055 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
1056 * @hbq_desc: pointer to the HBQ selection profile descriptor.
1057 *
1058 * The Host Buffer Queue (HBQ) Selection Profile 5 specifies a header HBQ. The
1059 * HBA tests the initial frame of an incoming sequence using the frame's
1060 * R_CTL/TYPE fields with words 10:15 and performs the Sequence Length Test
1061 * and Byte Field Test using the fields in the Selection Profile 5 extension
1062 * words 20:31.
1063 **/
James Smarted957682007-06-17 19:56:37 -05001064static void
1065lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb,
1066 struct lpfc_hbq_init *hbq_desc)
1067{
1068 hbqmb->profiles.profile5.seqlenbcnt = hbq_desc->seqlenbcnt;
1069 hbqmb->profiles.profile5.maxlen = hbq_desc->maxlen;
1070 hbqmb->profiles.profile5.cmdcodeoff = hbq_desc->cmdcodeoff;
1071 hbqmb->profiles.profile5.seqlenoff = hbq_desc->seqlenoff;
1072 memcpy(&hbqmb->profiles.profile5.cmdmatch, hbq_desc->cmdmatch,
1073 sizeof(hbqmb->profiles.profile5.cmdmatch));
1074}
1075
James Smarte59058c2008-08-24 21:49:00 -04001076/**
James Smart3621a712009-04-06 18:47:14 -04001077 * lpfc_config_hbq - Prepare a mailbox command for configuring an HBQ
James Smarte59058c2008-08-24 21:49:00 -04001078 * @phba: pointer to lpfc hba data structure.
1079 * @id: HBQ identifier.
1080 * @hbq_desc: pointer to the HBA descriptor data structure.
1081 * @hbq_entry_index: index of the HBQ entry data structures.
1082 * @pmb: pointer to the driver internal queue element for mailbox command.
1083 *
1084 * The configure HBQ (Host Buffer Queue) mailbox command is used to configure
1085 * an HBQ. The configuration binds events that require buffers to a particular
1086 * ring and HBQ based on a selection profile.
1087 *
1088 * This routine prepares the mailbox command for configuring an HBQ.
1089 **/
James Smarted957682007-06-17 19:56:37 -05001090void
James Smart51ef4c22007-08-02 11:10:31 -04001091lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id,
1092 struct lpfc_hbq_init *hbq_desc,
James Smarted957682007-06-17 19:56:37 -05001093 uint32_t hbq_entry_index, LPFC_MBOXQ_t *pmb)
1094{
1095 int i;
James Smart04c68492009-05-22 14:52:52 -04001096 MAILBOX_t *mb = &pmb->u.mb;
James Smarted957682007-06-17 19:56:37 -05001097 struct config_hbq_var *hbqmb = &mb->un.varCfgHbq;
1098
1099 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
James Smart51ef4c22007-08-02 11:10:31 -04001100 hbqmb->hbqId = id;
James Smarted957682007-06-17 19:56:37 -05001101 hbqmb->entry_count = hbq_desc->entry_count; /* # entries in HBQ */
1102 hbqmb->recvNotify = hbq_desc->rn; /* Receive
1103 * Notification */
1104 hbqmb->numMask = hbq_desc->mask_count; /* # R_CTL/TYPE masks
1105 * # in words 0-19 */
James Smart92d7f7b2007-06-17 19:56:38 -05001106 hbqmb->profile = hbq_desc->profile; /* Selection profile:
James Smarted957682007-06-17 19:56:37 -05001107 * 0 = all,
1108 * 7 = logentry */
1109 hbqmb->ringMask = hbq_desc->ring_mask; /* Binds HBQ to a ring
1110 * e.g. Ring0=b0001,
1111 * ring2=b0100 */
1112 hbqmb->headerLen = hbq_desc->headerLen; /* 0 if not profile 4
1113 * or 5 */
1114 hbqmb->logEntry = hbq_desc->logEntry; /* Set to 1 if this
1115 * HBQ will be used
1116 * for LogEntry
1117 * buffers */
1118 hbqmb->hbqaddrLow = putPaddrLow(phba->hbqslimp.phys) +
1119 hbq_entry_index * sizeof(struct lpfc_hbq_entry);
1120 hbqmb->hbqaddrHigh = putPaddrHigh(phba->hbqslimp.phys);
1121
1122 mb->mbxCommand = MBX_CONFIG_HBQ;
1123 mb->mbxOwner = OWN_HOST;
1124
James Smart92d7f7b2007-06-17 19:56:38 -05001125 /* Copy info for profiles 2,3,5. Other
1126 * profiles this area is reserved
1127 */
James Smarted957682007-06-17 19:56:37 -05001128 if (hbq_desc->profile == 2)
1129 lpfc_build_hbq_profile2(hbqmb, hbq_desc);
1130 else if (hbq_desc->profile == 3)
1131 lpfc_build_hbq_profile3(hbqmb, hbq_desc);
1132 else if (hbq_desc->profile == 5)
1133 lpfc_build_hbq_profile5(hbqmb, hbq_desc);
1134
1135 /* Return if no rctl / type masks for this HBQ */
1136 if (!hbq_desc->mask_count)
1137 return;
1138
1139 /* Otherwise we setup specific rctl / type masks for this HBQ */
1140 for (i = 0; i < hbq_desc->mask_count; i++) {
1141 hbqmb->hbqMasks[i].tmatch = hbq_desc->hbqMasks[i].tmatch;
1142 hbqmb->hbqMasks[i].tmask = hbq_desc->hbqMasks[i].tmask;
1143 hbqmb->hbqMasks[i].rctlmatch = hbq_desc->hbqMasks[i].rctlmatch;
1144 hbqmb->hbqMasks[i].rctlmask = hbq_desc->hbqMasks[i].rctlmask;
1145 }
1146
1147 return;
1148}
1149
James Smarte59058c2008-08-24 21:49:00 -04001150/**
James Smart3621a712009-04-06 18:47:14 -04001151 * lpfc_config_ring - Prepare a mailbox command for configuring an IOCB ring
James Smarte59058c2008-08-24 21:49:00 -04001152 * @phba: pointer to lpfc hba data structure.
1153 * @ring:
1154 * @pmb: pointer to the driver internal queue element for mailbox command.
1155 *
1156 * The configure ring mailbox command is used to configure an IOCB ring. This
1157 * configuration binds from one to six of HBA RC_CTL/TYPE mask entries to the
1158 * ring. This is used to map incoming sequences to a particular ring whose
1159 * RC_CTL/TYPE mask entry matches that of the sequence. The driver should not
1160 * attempt to configure a ring whose number is greater than the number
1161 * specified in the Port Control Block (PCB). It is an error to issue the
1162 * configure ring command more than once with the same ring number. The HBA
1163 * returns an error if the driver attempts this.
1164 *
1165 * This routine prepares the mailbox command for configuring IOCB ring.
1166 **/
dea31012005-04-17 16:05:31 -05001167void
1168lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb)
1169{
1170 int i;
James Smart04c68492009-05-22 14:52:52 -04001171 MAILBOX_t *mb = &pmb->u.mb;
dea31012005-04-17 16:05:31 -05001172 struct lpfc_sli *psli;
1173 struct lpfc_sli_ring *pring;
1174
1175 memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
1176
1177 mb->un.varCfgRing.ring = ring;
1178 mb->un.varCfgRing.maxOrigXchg = 0;
1179 mb->un.varCfgRing.maxRespXchg = 0;
1180 mb->un.varCfgRing.recvNotify = 1;
1181
1182 psli = &phba->sli;
1183 pring = &psli->ring[ring];
1184 mb->un.varCfgRing.numMask = pring->num_mask;
1185 mb->mbxCommand = MBX_CONFIG_RING;
1186 mb->mbxOwner = OWN_HOST;
1187
1188 /* Is this ring configured for a specific profile */
1189 if (pring->prt[0].profile) {
1190 mb->un.varCfgRing.profile = pring->prt[0].profile;
1191 return;
1192 }
1193
1194 /* Otherwise we setup specific rctl / type masks for this ring */
1195 for (i = 0; i < pring->num_mask; i++) {
1196 mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl;
James Smart6a9c52c2009-10-02 15:16:51 -04001197 if (mb->un.varCfgRing.rrRegs[i].rval != FC_RCTL_ELS_REQ)
dea31012005-04-17 16:05:31 -05001198 mb->un.varCfgRing.rrRegs[i].rmask = 0xff;
1199 else
1200 mb->un.varCfgRing.rrRegs[i].rmask = 0xfe;
1201 mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type;
1202 mb->un.varCfgRing.rrRegs[i].tmask = 0xff;
1203 }
1204
1205 return;
1206}
1207
James Smarte59058c2008-08-24 21:49:00 -04001208/**
James Smart3621a712009-04-06 18:47:14 -04001209 * lpfc_config_port - Prepare a mailbox command for configuring port
James Smarte59058c2008-08-24 21:49:00 -04001210 * @phba: pointer to lpfc hba data structure.
1211 * @pmb: pointer to the driver internal queue element for mailbox command.
1212 *
1213 * The configure port mailbox command is used to identify the Port Control
1214 * Block (PCB) in the driver memory. After this command is issued, the
1215 * driver must not access the mailbox in the HBA without first resetting
1216 * the HBA. The HBA may copy the PCB information to internal storage for
1217 * subsequent use; the driver can not change the PCB information unless it
1218 * resets the HBA.
1219 *
1220 * This routine prepares the mailbox command for configuring port.
1221 **/
dea31012005-04-17 16:05:31 -05001222void
James Smart92d7f7b2007-06-17 19:56:38 -05001223lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
dea31012005-04-17 16:05:31 -05001224{
James Smarted957682007-06-17 19:56:37 -05001225 MAILBOX_t __iomem *mb_slim = (MAILBOX_t __iomem *) phba->MBslimaddr;
James Smart04c68492009-05-22 14:52:52 -04001226 MAILBOX_t *mb = &pmb->u.mb;
dea31012005-04-17 16:05:31 -05001227 dma_addr_t pdma_addr;
1228 uint32_t bar_low, bar_high;
1229 size_t offset;
James.Smart@Emulex.Com4cc2da12005-06-25 10:34:00 -04001230 struct lpfc_hgp hgp;
James.Smart@Emulex.Comf91b3922005-10-28 20:29:28 -04001231 int i;
James Smarted957682007-06-17 19:56:37 -05001232 uint32_t pgp_offset;
dea31012005-04-17 16:05:31 -05001233
1234 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
1235 mb->mbxCommand = MBX_CONFIG_PORT;
1236 mb->mbxOwner = OWN_HOST;
1237
1238 mb->un.varCfgPort.pcbLen = sizeof(PCB_t);
1239
James Smart34b02dc2008-08-24 21:49:55 -04001240 offset = (uint8_t *)phba->pcb - (uint8_t *)phba->slim2p.virt;
1241 pdma_addr = phba->slim2p.phys + offset;
dea31012005-04-17 16:05:31 -05001242 mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr);
1243 mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr);
1244
James Smart97207482008-12-04 22:39:19 -05001245 /* Always Host Group Pointer is in SLIM */
1246 mb->un.varCfgPort.hps = 1;
1247
James Smarted957682007-06-17 19:56:37 -05001248 /* If HBA supports SLI=3 ask for it */
1249
James Smart04c68492009-05-22 14:52:52 -04001250 if (phba->sli_rev == LPFC_SLI_REV3 && phba->vpd.sli3Feat.cerbm) {
James Smarte2a0a9d2008-12-04 22:40:02 -05001251 if (phba->cfg_enable_bg)
1252 mb->un.varCfgPort.cbg = 1; /* configure BlockGuard */
James Smart04c68492009-05-22 14:52:52 -04001253 mb->un.varCfgPort.cdss = 1; /* Configure Security */
James Smarted957682007-06-17 19:56:37 -05001254 mb->un.varCfgPort.cerbm = 1; /* Request HBQs */
James Smart34b02dc2008-08-24 21:49:55 -04001255 mb->un.varCfgPort.ccrp = 1; /* Command Ring Polling */
James Smart51ef4c22007-08-02 11:10:31 -04001256 mb->un.varCfgPort.max_hbq = lpfc_sli_hbq_count();
James Smart78b2d852007-08-02 11:10:21 -04001257 if (phba->max_vpi && phba->cfg_enable_npiv &&
James Smart92d7f7b2007-06-17 19:56:38 -05001258 phba->vpd.sli3Feat.cmv) {
James Smart04c68492009-05-22 14:52:52 -04001259 mb->un.varCfgPort.max_vpi = LPFC_MAX_VPI;
James Smart92d7f7b2007-06-17 19:56:38 -05001260 mb->un.varCfgPort.cmv = 1;
James Smart92d7f7b2007-06-17 19:56:38 -05001261 } else
1262 mb->un.varCfgPort.max_vpi = phba->max_vpi = 0;
1263 } else
James Smart04c68492009-05-22 14:52:52 -04001264 phba->sli_rev = LPFC_SLI_REV2;
James Smart92d7f7b2007-06-17 19:56:38 -05001265 mb->un.varCfgPort.sli_mode = phba->sli_rev;
James Smarted957682007-06-17 19:56:37 -05001266
dea31012005-04-17 16:05:31 -05001267 /* Now setup pcb */
James Smart34b02dc2008-08-24 21:49:55 -04001268 phba->pcb->type = TYPE_NATIVE_SLI2;
1269 phba->pcb->feature = FEATURE_INITIAL_SLI2;
dea31012005-04-17 16:05:31 -05001270
1271 /* Setup Mailbox pointers */
James Smart7a470272010-03-15 11:25:20 -04001272 phba->pcb->mailBoxSize = sizeof(MAILBOX_t) + MAILBOX_EXT_SIZE;
James Smart34b02dc2008-08-24 21:49:55 -04001273 offset = (uint8_t *)phba->mbox - (uint8_t *)phba->slim2p.virt;
1274 pdma_addr = phba->slim2p.phys + offset;
1275 phba->pcb->mbAddrHigh = putPaddrHigh(pdma_addr);
1276 phba->pcb->mbAddrLow = putPaddrLow(pdma_addr);
dea31012005-04-17 16:05:31 -05001277
1278 /*
1279 * Setup Host Group ring pointer.
1280 *
1281 * For efficiency reasons, the ring get/put pointers can be
1282 * placed in adapter memory (SLIM) rather than in host memory.
1283 * This allows firmware to avoid PCI reads/writes when updating
1284 * and checking pointers.
1285 *
1286 * The firmware recognizes the use of SLIM memory by comparing
1287 * the address of the get/put pointers structure with that of
1288 * the SLIM BAR (BAR0).
1289 *
1290 * Caution: be sure to use the PCI config space value of BAR0/BAR1
1291 * (the hardware's view of the base address), not the OS's
1292 * value of pci_resource_start() as the OS value may be a cookie
1293 * for ioremap/iomap.
1294 */
1295
1296
1297 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low);
1298 pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high);
1299
James Smarted957682007-06-17 19:56:37 -05001300 /*
1301 * Set up HGP - Port Memory
1302 *
1303 * The port expects the host get/put pointers to reside in memory
1304 * following the "non-diagnostic" mode mailbox (32 words, 0x80 bytes)
1305 * area of SLIM. In SLI-2 mode, there's an additional 16 reserved
1306 * words (0x40 bytes). This area is not reserved if HBQs are
1307 * configured in SLI-3.
1308 *
1309 * CR0Put - SLI2(no HBQs) = 0xc0, With HBQs = 0x80
1310 * RR0Get 0xc4 0x84
1311 * CR1Put 0xc8 0x88
1312 * RR1Get 0xcc 0x8c
1313 * CR2Put 0xd0 0x90
1314 * RR2Get 0xd4 0x94
1315 * CR3Put 0xd8 0x98
1316 * RR3Get 0xdc 0x9c
1317 *
1318 * Reserved 0xa0-0xbf
1319 * If HBQs configured:
1320 * HBQ 0 Put ptr 0xc0
1321 * HBQ 1 Put ptr 0xc4
1322 * HBQ 2 Put ptr 0xc8
1323 * ......
1324 * HBQ(M-1)Put Pointer 0xc0+(M-1)*4
1325 *
1326 */
1327
James Smart7a470272010-03-15 11:25:20 -04001328 if (phba->cfg_hostmem_hgp && phba->sli_rev != 3) {
1329 phba->host_gp = &phba->mbox->us.s2.host[0];
James Smarted957682007-06-17 19:56:37 -05001330 phba->hbq_put = NULL;
James Smart7a470272010-03-15 11:25:20 -04001331 offset = (uint8_t *)&phba->mbox->us.s2.host -
1332 (uint8_t *)phba->slim2p.virt;
1333 pdma_addr = phba->slim2p.phys + offset;
1334 phba->pcb->hgpAddrHigh = putPaddrHigh(pdma_addr);
1335 phba->pcb->hgpAddrLow = putPaddrLow(pdma_addr);
1336 } else {
1337 /* Always Host Group Pointer is in SLIM */
1338 mb->un.varCfgPort.hps = 1;
dea31012005-04-17 16:05:31 -05001339
James Smart7a470272010-03-15 11:25:20 -04001340 if (phba->sli_rev == 3) {
1341 phba->host_gp = &mb_slim->us.s3.host[0];
1342 phba->hbq_put = &mb_slim->us.s3.hbq_put[0];
1343 } else {
1344 phba->host_gp = &mb_slim->us.s2.host[0];
1345 phba->hbq_put = NULL;
1346 }
James.Smart@Emulex.Comf91b3922005-10-28 20:29:28 -04001347
James Smart7a470272010-03-15 11:25:20 -04001348 /* mask off BAR0's flag bits 0 - 3 */
1349 phba->pcb->hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
1350 (void __iomem *)phba->host_gp -
1351 (void __iomem *)phba->MBslimaddr;
1352 if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64)
1353 phba->pcb->hgpAddrHigh = bar_high;
1354 else
1355 phba->pcb->hgpAddrHigh = 0;
1356 /* write HGP data to SLIM at the required longword offset */
1357 memset(&hgp, 0, sizeof(struct lpfc_hgp));
1358
1359 for (i = 0; i < phba->sli.num_rings; i++) {
1360 lpfc_memcpy_to_slim(phba->host_gp + i, &hgp,
James Smarted957682007-06-17 19:56:37 -05001361 sizeof(*phba->host_gp));
James Smart7a470272010-03-15 11:25:20 -04001362 }
James.Smart@Emulex.Comf91b3922005-10-28 20:29:28 -04001363 }
dea31012005-04-17 16:05:31 -05001364
James Smart8f34f4c2008-12-04 22:39:23 -05001365 /* Setup Port Group offset */
1366 if (phba->sli_rev == 3)
James Smart34b02dc2008-08-24 21:49:55 -04001367 pgp_offset = offsetof(struct lpfc_sli2_slim,
1368 mbx.us.s3_pgp.port);
James Smart8f34f4c2008-12-04 22:39:23 -05001369 else
James Smart34b02dc2008-08-24 21:49:55 -04001370 pgp_offset = offsetof(struct lpfc_sli2_slim, mbx.us.s2.port);
1371 pdma_addr = phba->slim2p.phys + pgp_offset;
1372 phba->pcb->pgpAddrHigh = putPaddrHigh(pdma_addr);
1373 phba->pcb->pgpAddrLow = putPaddrLow(pdma_addr);
dea31012005-04-17 16:05:31 -05001374
1375 /* Use callback routine to setp rings in the pcb */
1376 lpfc_config_pcb_setup(phba);
1377
1378 /* special handling for LC HBAs */
1379 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
1380 uint32_t hbainit[5];
1381
1382 lpfc_hba_init(phba, hbainit);
1383
1384 memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20);
1385 }
1386
1387 /* Swap PCB if needed */
James Smart34b02dc2008-08-24 21:49:55 -04001388 lpfc_sli_pcimem_bcopy(phba->pcb, phba->pcb, sizeof(PCB_t));
dea31012005-04-17 16:05:31 -05001389}
1390
James Smarte59058c2008-08-24 21:49:00 -04001391/**
James Smart3621a712009-04-06 18:47:14 -04001392 * lpfc_kill_board - Prepare a mailbox command for killing board
James Smarte59058c2008-08-24 21:49:00 -04001393 * @phba: pointer to lpfc hba data structure.
1394 * @pmb: pointer to the driver internal queue element for mailbox command.
1395 *
1396 * The kill board mailbox command is used to tell firmware to perform a
1397 * graceful shutdown of a channel on a specified board to prepare for reset.
1398 * When the kill board mailbox command is received, the ER3 bit is set to 1
1399 * in the Host Status register and the ER Attention bit is set to 1 in the
1400 * Host Attention register of the HBA function that received the kill board
1401 * command.
1402 *
1403 * This routine prepares the mailbox command for killing the board in
1404 * preparation for a graceful shutdown.
1405 **/
dea31012005-04-17 16:05:31 -05001406void
Jamie Wellnitz41415862006-02-28 19:25:27 -05001407lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
1408{
James Smart04c68492009-05-22 14:52:52 -04001409 MAILBOX_t *mb = &pmb->u.mb;
Jamie Wellnitz41415862006-02-28 19:25:27 -05001410
1411 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
1412 mb->mbxCommand = MBX_KILL_BOARD;
1413 mb->mbxOwner = OWN_HOST;
1414 return;
1415}
1416
James Smarte59058c2008-08-24 21:49:00 -04001417/**
James Smart3621a712009-04-06 18:47:14 -04001418 * lpfc_mbox_put - Put a mailbox cmd into the tail of driver's mailbox queue
James Smarte59058c2008-08-24 21:49:00 -04001419 * @phba: pointer to lpfc hba data structure.
1420 * @mbq: pointer to the driver internal queue element for mailbox command.
1421 *
1422 * Driver maintains a internal mailbox command queue implemented as a linked
1423 * list. When a mailbox command is issued, it shall be put into the mailbox
1424 * command queue such that they shall be processed orderly as HBA can process
1425 * one mailbox command at a time.
1426 **/
Jamie Wellnitz41415862006-02-28 19:25:27 -05001427void
dea31012005-04-17 16:05:31 -05001428lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
1429{
1430 struct lpfc_sli *psli;
1431
1432 psli = &phba->sli;
1433
1434 list_add_tail(&mbq->list, &psli->mboxq);
1435
1436 psli->mboxq_cnt++;
1437
1438 return;
1439}
1440
James Smarte59058c2008-08-24 21:49:00 -04001441/**
James Smart3621a712009-04-06 18:47:14 -04001442 * lpfc_mbox_get - Remove a mailbox cmd from the head of driver's mailbox queue
James Smarte59058c2008-08-24 21:49:00 -04001443 * @phba: pointer to lpfc hba data structure.
1444 *
1445 * Driver maintains a internal mailbox command queue implemented as a linked
1446 * list. When a mailbox command is issued, it shall be put into the mailbox
1447 * command queue such that they shall be processed orderly as HBA can process
1448 * one mailbox command at a time. After HBA finished processing a mailbox
1449 * command, the driver will remove a pending mailbox command from the head of
1450 * the mailbox command queue and send to the HBA for processing.
1451 *
1452 * Return codes
1453 * pointer to the driver internal queue element for mailbox command.
1454 **/
dea31012005-04-17 16:05:31 -05001455LPFC_MBOXQ_t *
1456lpfc_mbox_get(struct lpfc_hba * phba)
1457{
1458 LPFC_MBOXQ_t *mbq = NULL;
1459 struct lpfc_sli *psli = &phba->sli;
1460
James Smart2e0fef82007-06-17 19:56:36 -05001461 list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t, list);
James Smart92d7f7b2007-06-17 19:56:38 -05001462 if (mbq)
dea31012005-04-17 16:05:31 -05001463 psli->mboxq_cnt--;
dea31012005-04-17 16:05:31 -05001464
1465 return mbq;
1466}
James Smarta309a6b2006-08-01 07:33:43 -04001467
James Smarte59058c2008-08-24 21:49:00 -04001468/**
James Smart04c68492009-05-22 14:52:52 -04001469 * __lpfc_mbox_cmpl_put - Put mailbox cmd into mailbox cmd complete list
1470 * @phba: pointer to lpfc hba data structure.
1471 * @mbq: pointer to the driver internal queue element for mailbox command.
1472 *
1473 * This routine put the completed mailbox command into the mailbox command
1474 * complete list. This is the unlocked version of the routine. The mailbox
1475 * complete list is used by the driver worker thread to process mailbox
1476 * complete callback functions outside the driver interrupt handler.
1477 **/
1478void
1479__lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq)
1480{
1481 list_add_tail(&mbq->list, &phba->sli.mboxq_cmpl);
1482}
1483
1484/**
James Smart3621a712009-04-06 18:47:14 -04001485 * lpfc_mbox_cmpl_put - Put mailbox command into mailbox command complete list
James Smarte59058c2008-08-24 21:49:00 -04001486 * @phba: pointer to lpfc hba data structure.
1487 * @mbq: pointer to the driver internal queue element for mailbox command.
1488 *
1489 * This routine put the completed mailbox command into the mailbox command
James Smart04c68492009-05-22 14:52:52 -04001490 * complete list. This is the locked version of the routine. The mailbox
1491 * complete list is used by the driver worker thread to process mailbox
1492 * complete callback functions outside the driver interrupt handler.
James Smarte59058c2008-08-24 21:49:00 -04001493 **/
James Smart92d7f7b2007-06-17 19:56:38 -05001494void
James Smart04c68492009-05-22 14:52:52 -04001495lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq)
James Smart92d7f7b2007-06-17 19:56:38 -05001496{
James Smart5b75da22008-12-04 22:39:35 -05001497 unsigned long iflag;
1498
Joe Perchesb1c11812008-02-03 17:28:22 +02001499 /* This function expects to be called from interrupt context */
James Smart5b75da22008-12-04 22:39:35 -05001500 spin_lock_irqsave(&phba->hbalock, iflag);
James Smart04c68492009-05-22 14:52:52 -04001501 __lpfc_mbox_cmpl_put(phba, mbq);
James Smart5b75da22008-12-04 22:39:35 -05001502 spin_unlock_irqrestore(&phba->hbalock, iflag);
James Smart92d7f7b2007-06-17 19:56:38 -05001503 return;
1504}
1505
James Smarte59058c2008-08-24 21:49:00 -04001506/**
James Smart04c68492009-05-22 14:52:52 -04001507 * lpfc_mbox_cmd_check - Check the validality of a mailbox command
1508 * @phba: pointer to lpfc hba data structure.
1509 * @mboxq: pointer to the driver internal queue element for mailbox command.
1510 *
1511 * This routine is to check whether a mailbox command is valid to be issued.
1512 * This check will be performed by both the mailbox issue API when a client
1513 * is to issue a mailbox command to the mailbox transport.
1514 *
1515 * Return 0 - pass the check, -ENODEV - fail the check
1516 **/
1517int
1518lpfc_mbox_cmd_check(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
1519{
1520 /* Mailbox command that have a completion handler must also have a
1521 * vport specified.
1522 */
1523 if (mboxq->mbox_cmpl && mboxq->mbox_cmpl != lpfc_sli_def_mbox_cmpl &&
1524 mboxq->mbox_cmpl != lpfc_sli_wake_mbox_wait) {
1525 if (!mboxq->vport) {
1526 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_VPORT,
1527 "1814 Mbox x%x failed, no vport\n",
1528 mboxq->u.mb.mbxCommand);
1529 dump_stack();
1530 return -ENODEV;
1531 }
1532 }
1533 return 0;
1534}
1535
1536/**
1537 * lpfc_mbox_dev_check - Check the device state for issuing a mailbox command
1538 * @phba: pointer to lpfc hba data structure.
1539 *
1540 * This routine is to check whether the HBA device is ready for posting a
1541 * mailbox command. It is used by the mailbox transport API at the time the
1542 * to post a mailbox command to the device.
1543 *
1544 * Return 0 - pass the check, -ENODEV - fail the check
1545 **/
1546int
1547lpfc_mbox_dev_check(struct lpfc_hba *phba)
1548{
1549 /* If the PCI channel is in offline state, do not issue mbox */
1550 if (unlikely(pci_channel_offline(phba->pcidev)))
1551 return -ENODEV;
1552
1553 /* If the HBA is in error state, do not issue mbox */
1554 if (phba->link_state == LPFC_HBA_ERROR)
1555 return -ENODEV;
1556
1557 return 0;
1558}
1559
1560/**
James Smart3621a712009-04-06 18:47:14 -04001561 * lpfc_mbox_tmo_val - Retrieve mailbox command timeout value
James Smarte59058c2008-08-24 21:49:00 -04001562 * @phba: pointer to lpfc hba data structure.
1563 * @cmd: mailbox command code.
1564 *
1565 * This routine retrieves the proper timeout value according to the mailbox
1566 * command code.
1567 *
1568 * Return codes
1569 * Timeout value to be used for the given mailbox command
1570 **/
James Smarta309a6b2006-08-01 07:33:43 -04001571int
1572lpfc_mbox_tmo_val(struct lpfc_hba *phba, int cmd)
1573{
1574 switch (cmd) {
1575 case MBX_WRITE_NV: /* 0x03 */
1576 case MBX_UPDATE_CFG: /* 0x1B */
1577 case MBX_DOWN_LOAD: /* 0x1C */
1578 case MBX_DEL_LD_ENTRY: /* 0x1D */
1579 case MBX_LOAD_AREA: /* 0x81 */
James Smart09372822008-01-11 01:52:54 -05001580 case MBX_WRITE_WWN: /* 0x98 */
James Smarta309a6b2006-08-01 07:33:43 -04001581 case MBX_LOAD_EXP_ROM: /* 0x9C */
1582 return LPFC_MBOX_TMO_FLASH_CMD;
James Smart04c68492009-05-22 14:52:52 -04001583 case MBX_SLI4_CONFIG: /* 0x9b */
1584 return LPFC_MBOX_SLI4_CONFIG_TMO;
James Smarta309a6b2006-08-01 07:33:43 -04001585 }
1586 return LPFC_MBOX_TMO;
1587}
James Smart04c68492009-05-22 14:52:52 -04001588
1589/**
1590 * lpfc_sli4_mbx_sge_set - Set a sge entry in non-embedded mailbox command
1591 * @mbox: pointer to lpfc mbox command.
1592 * @sgentry: sge entry index.
1593 * @phyaddr: physical address for the sge
1594 * @length: Length of the sge.
1595 *
1596 * This routine sets up an entry in the non-embedded mailbox command at the sge
1597 * index location.
1598 **/
1599void
1600lpfc_sli4_mbx_sge_set(struct lpfcMboxq *mbox, uint32_t sgentry,
1601 dma_addr_t phyaddr, uint32_t length)
1602{
1603 struct lpfc_mbx_nembed_cmd *nembed_sge;
1604
1605 nembed_sge = (struct lpfc_mbx_nembed_cmd *)
1606 &mbox->u.mqe.un.nembed_cmd;
1607 nembed_sge->sge[sgentry].pa_lo = putPaddrLow(phyaddr);
1608 nembed_sge->sge[sgentry].pa_hi = putPaddrHigh(phyaddr);
1609 nembed_sge->sge[sgentry].length = length;
1610}
1611
1612/**
1613 * lpfc_sli4_mbx_sge_get - Get a sge entry from non-embedded mailbox command
1614 * @mbox: pointer to lpfc mbox command.
1615 * @sgentry: sge entry index.
1616 *
1617 * This routine gets an entry from the non-embedded mailbox command at the sge
1618 * index location.
1619 **/
1620void
1621lpfc_sli4_mbx_sge_get(struct lpfcMboxq *mbox, uint32_t sgentry,
1622 struct lpfc_mbx_sge *sge)
1623{
1624 struct lpfc_mbx_nembed_cmd *nembed_sge;
1625
1626 nembed_sge = (struct lpfc_mbx_nembed_cmd *)
1627 &mbox->u.mqe.un.nembed_cmd;
1628 sge->pa_lo = nembed_sge->sge[sgentry].pa_lo;
1629 sge->pa_hi = nembed_sge->sge[sgentry].pa_hi;
1630 sge->length = nembed_sge->sge[sgentry].length;
1631}
1632
1633/**
1634 * lpfc_sli4_mbox_cmd_free - Free a sli4 mailbox command
1635 * @phba: pointer to lpfc hba data structure.
1636 * @mbox: pointer to lpfc mbox command.
1637 *
1638 * This routine frees SLI4 specific mailbox command for sending IOCTL command.
1639 **/
1640void
1641lpfc_sli4_mbox_cmd_free(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
1642{
1643 struct lpfc_mbx_sli4_config *sli4_cfg;
1644 struct lpfc_mbx_sge sge;
1645 dma_addr_t phyaddr;
1646 uint32_t sgecount, sgentry;
1647
1648 sli4_cfg = &mbox->u.mqe.un.sli4_config;
1649
1650 /* For embedded mbox command, just free the mbox command */
1651 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) {
1652 mempool_free(mbox, phba->mbox_mem_pool);
1653 return;
1654 }
1655
1656 /* For non-embedded mbox command, we need to free the pages first */
1657 sgecount = bf_get(lpfc_mbox_hdr_sge_cnt, &sli4_cfg->header.cfg_mhdr);
1658 /* There is nothing we can do if there is no sge address array */
1659 if (unlikely(!mbox->sge_array)) {
1660 mempool_free(mbox, phba->mbox_mem_pool);
1661 return;
1662 }
1663 /* Each non-embedded DMA memory was allocated in the length of a page */
1664 for (sgentry = 0; sgentry < sgecount; sgentry++) {
1665 lpfc_sli4_mbx_sge_get(mbox, sgentry, &sge);
1666 phyaddr = getPaddr(sge.pa_hi, sge.pa_lo);
James Smart49198b32010-04-06 15:04:33 -04001667 dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
James Smart04c68492009-05-22 14:52:52 -04001668 mbox->sge_array->addr[sgentry], phyaddr);
1669 }
1670 /* Free the sge address array memory */
1671 kfree(mbox->sge_array);
1672 /* Finally, free the mailbox command itself */
1673 mempool_free(mbox, phba->mbox_mem_pool);
1674}
1675
1676/**
1677 * lpfc_sli4_config - Initialize the SLI4 Config Mailbox command
1678 * @phba: pointer to lpfc hba data structure.
1679 * @mbox: pointer to lpfc mbox command.
1680 * @subsystem: The sli4 config sub mailbox subsystem.
1681 * @opcode: The sli4 config sub mailbox command opcode.
1682 * @length: Length of the sli4 config mailbox command.
1683 *
1684 * This routine sets up the header fields of SLI4 specific mailbox command
1685 * for sending IOCTL command.
1686 *
1687 * Return: the actual length of the mbox command allocated (mostly useful
1688 * for none embedded mailbox command).
1689 **/
1690int
1691lpfc_sli4_config(struct lpfc_hba *phba, struct lpfcMboxq *mbox,
1692 uint8_t subsystem, uint8_t opcode, uint32_t length, bool emb)
1693{
1694 struct lpfc_mbx_sli4_config *sli4_config;
1695 union lpfc_sli4_cfg_shdr *cfg_shdr = NULL;
1696 uint32_t alloc_len;
1697 uint32_t resid_len;
1698 uint32_t pagen, pcount;
1699 void *viraddr;
1700 dma_addr_t phyaddr;
1701
1702 /* Set up SLI4 mailbox command header fields */
1703 memset(mbox, 0, sizeof(*mbox));
1704 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_SLI4_CONFIG);
1705
1706 /* Set up SLI4 ioctl command header fields */
1707 sli4_config = &mbox->u.mqe.un.sli4_config;
1708
1709 /* Setup for the embedded mbox command */
1710 if (emb) {
1711 /* Set up main header fields */
1712 bf_set(lpfc_mbox_hdr_emb, &sli4_config->header.cfg_mhdr, 1);
1713 sli4_config->header.cfg_mhdr.payload_length =
1714 LPFC_MBX_CMD_HDR_LENGTH + length;
1715 /* Set up sub-header fields following main header */
1716 bf_set(lpfc_mbox_hdr_opcode,
1717 &sli4_config->header.cfg_shdr.request, opcode);
1718 bf_set(lpfc_mbox_hdr_subsystem,
1719 &sli4_config->header.cfg_shdr.request, subsystem);
1720 sli4_config->header.cfg_shdr.request.request_length = length;
1721 return length;
1722 }
1723
1724 /* Setup for the none-embedded mbox command */
James Smart49198b32010-04-06 15:04:33 -04001725 pcount = (PAGE_ALIGN(length))/SLI4_PAGE_SIZE;
James Smart04c68492009-05-22 14:52:52 -04001726 pcount = (pcount > LPFC_SLI4_MBX_SGE_MAX_PAGES) ?
1727 LPFC_SLI4_MBX_SGE_MAX_PAGES : pcount;
1728 /* Allocate record for keeping SGE virtual addresses */
1729 mbox->sge_array = kmalloc(sizeof(struct lpfc_mbx_nembed_sge_virt),
1730 GFP_KERNEL);
James Smart6a9c52c2009-10-02 15:16:51 -04001731 if (!mbox->sge_array) {
1732 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1733 "2527 Failed to allocate non-embedded SGE "
1734 "array.\n");
James Smart04c68492009-05-22 14:52:52 -04001735 return 0;
James Smart6a9c52c2009-10-02 15:16:51 -04001736 }
James Smart04c68492009-05-22 14:52:52 -04001737 for (pagen = 0, alloc_len = 0; pagen < pcount; pagen++) {
1738 /* The DMA memory is always allocated in the length of a
1739 * page even though the last SGE might not fill up to a
James Smart49198b32010-04-06 15:04:33 -04001740 * page, this is used as a priori size of SLI4_PAGE_SIZE for
James Smart04c68492009-05-22 14:52:52 -04001741 * the later DMA memory free.
1742 */
James Smart49198b32010-04-06 15:04:33 -04001743 viraddr = dma_alloc_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
James Smart04c68492009-05-22 14:52:52 -04001744 &phyaddr, GFP_KERNEL);
1745 /* In case of malloc fails, proceed with whatever we have */
1746 if (!viraddr)
1747 break;
James Smart49198b32010-04-06 15:04:33 -04001748 memset(viraddr, 0, SLI4_PAGE_SIZE);
James Smart04c68492009-05-22 14:52:52 -04001749 mbox->sge_array->addr[pagen] = viraddr;
1750 /* Keep the first page for later sub-header construction */
1751 if (pagen == 0)
1752 cfg_shdr = (union lpfc_sli4_cfg_shdr *)viraddr;
1753 resid_len = length - alloc_len;
James Smart49198b32010-04-06 15:04:33 -04001754 if (resid_len > SLI4_PAGE_SIZE) {
James Smart04c68492009-05-22 14:52:52 -04001755 lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr,
James Smart49198b32010-04-06 15:04:33 -04001756 SLI4_PAGE_SIZE);
1757 alloc_len += SLI4_PAGE_SIZE;
James Smart04c68492009-05-22 14:52:52 -04001758 } else {
1759 lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr,
1760 resid_len);
1761 alloc_len = length;
1762 }
1763 }
1764
1765 /* Set up main header fields in mailbox command */
1766 sli4_config->header.cfg_mhdr.payload_length = alloc_len;
1767 bf_set(lpfc_mbox_hdr_sge_cnt, &sli4_config->header.cfg_mhdr, pagen);
1768
1769 /* Set up sub-header fields into the first page */
1770 if (pagen > 0) {
1771 bf_set(lpfc_mbox_hdr_opcode, &cfg_shdr->request, opcode);
1772 bf_set(lpfc_mbox_hdr_subsystem, &cfg_shdr->request, subsystem);
1773 cfg_shdr->request.request_length =
1774 alloc_len - sizeof(union lpfc_sli4_cfg_shdr);
1775 }
1776 /* The sub-header is in DMA memory, which needs endian converstion */
James Smart72100cc2010-02-12 14:43:01 -05001777 if (cfg_shdr)
1778 lpfc_sli_pcimem_bcopy(cfg_shdr, cfg_shdr,
James Smart04c68492009-05-22 14:52:52 -04001779 sizeof(union lpfc_sli4_cfg_shdr));
1780
1781 return alloc_len;
1782}
1783
1784/**
1785 * lpfc_sli4_mbox_opcode_get - Get the opcode from a sli4 mailbox command
1786 * @phba: pointer to lpfc hba data structure.
1787 * @mbox: pointer to lpfc mbox command.
1788 *
1789 * This routine gets the opcode from a SLI4 specific mailbox command for
1790 * sending IOCTL command. If the mailbox command is not MBX_SLI4_CONFIG
1791 * (0x9B) or if the IOCTL sub-header is not present, opcode 0x0 shall be
1792 * returned.
1793 **/
1794uint8_t
1795lpfc_sli4_mbox_opcode_get(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
1796{
1797 struct lpfc_mbx_sli4_config *sli4_cfg;
1798 union lpfc_sli4_cfg_shdr *cfg_shdr;
1799
1800 if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG)
1801 return 0;
1802 sli4_cfg = &mbox->u.mqe.un.sli4_config;
1803
1804 /* For embedded mbox command, get opcode from embedded sub-header*/
1805 if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) {
1806 cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr;
1807 return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request);
1808 }
1809
1810 /* For non-embedded mbox command, get opcode from first dma page */
1811 if (unlikely(!mbox->sge_array))
1812 return 0;
1813 cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0];
1814 return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request);
1815}
1816
1817/**
James Smart0c9ab6f2010-02-26 14:15:57 -05001818 * lpfc_sli4_mbx_read_fcf_rec - Allocate and construct read fcf mbox cmd
James Smartecfd03c2010-02-12 14:41:27 -05001819 * @phba: pointer to lpfc hba data structure.
1820 * @fcf_index: index to fcf table.
1821 *
1822 * This routine routine allocates and constructs non-embedded mailbox command
1823 * for reading a FCF table entry refered by @fcf_index.
1824 *
1825 * Return: pointer to the mailbox command constructed if successful, otherwise
1826 * NULL.
1827 **/
1828int
James Smart0c9ab6f2010-02-26 14:15:57 -05001829lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *phba,
1830 struct lpfcMboxq *mboxq,
1831 uint16_t fcf_index)
James Smartecfd03c2010-02-12 14:41:27 -05001832{
1833 void *virt_addr;
1834 dma_addr_t phys_addr;
1835 uint8_t *bytep;
1836 struct lpfc_mbx_sge sge;
1837 uint32_t alloc_len, req_len;
1838 struct lpfc_mbx_read_fcf_tbl *read_fcf;
1839
1840 if (!mboxq)
1841 return -ENOMEM;
1842
1843 req_len = sizeof(struct fcf_record) +
1844 sizeof(union lpfc_sli4_cfg_shdr) + 2 * sizeof(uint32_t);
1845
1846 /* Set up READ_FCF SLI4_CONFIG mailbox-ioctl command */
1847 alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
1848 LPFC_MBOX_OPCODE_FCOE_READ_FCF_TABLE, req_len,
1849 LPFC_SLI4_MBX_NEMBED);
1850
1851 if (alloc_len < req_len) {
1852 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1853 "0291 Allocated DMA memory size (x%x) is "
1854 "less than the requested DMA memory "
1855 "size (x%x)\n", alloc_len, req_len);
1856 return -ENOMEM;
1857 }
1858
1859 /* Get the first SGE entry from the non-embedded DMA memory. This
1860 * routine only uses a single SGE.
1861 */
1862 lpfc_sli4_mbx_sge_get(mboxq, 0, &sge);
1863 phys_addr = getPaddr(sge.pa_hi, sge.pa_lo);
1864 virt_addr = mboxq->sge_array->addr[0];
1865 read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr;
1866
1867 /* Set up command fields */
1868 bf_set(lpfc_mbx_read_fcf_tbl_indx, &read_fcf->u.request, fcf_index);
1869 /* Perform necessary endian conversion */
1870 bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr);
1871 lpfc_sli_pcimem_bcopy(bytep, bytep, sizeof(uint32_t));
1872
1873 return 0;
1874}
1875
1876/**
James Smart04c68492009-05-22 14:52:52 -04001877 * lpfc_request_features: Configure SLI4 REQUEST_FEATURES mailbox
1878 * @mboxq: pointer to lpfc mbox command.
1879 *
1880 * This routine sets up the mailbox for an SLI4 REQUEST_FEATURES
1881 * mailbox command.
1882 **/
1883void
1884lpfc_request_features(struct lpfc_hba *phba, struct lpfcMboxq *mboxq)
1885{
1886 /* Set up SLI4 mailbox command header fields */
1887 memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
1888 bf_set(lpfc_mqe_command, &mboxq->u.mqe, MBX_SLI4_REQ_FTRS);
1889
1890 /* Set up host requested features. */
1891 bf_set(lpfc_mbx_rq_ftr_rq_fcpi, &mboxq->u.mqe.un.req_ftrs, 1);
1892
James Smart04c68492009-05-22 14:52:52 -04001893 /* Enable DIF (block guard) only if configured to do so. */
1894 if (phba->cfg_enable_bg)
1895 bf_set(lpfc_mbx_rq_ftr_rq_dif, &mboxq->u.mqe.un.req_ftrs, 1);
1896
1897 /* Enable NPIV only if configured to do so. */
1898 if (phba->max_vpi && phba->cfg_enable_npiv)
1899 bf_set(lpfc_mbx_rq_ftr_rq_npiv, &mboxq->u.mqe.un.req_ftrs, 1);
1900
1901 return;
1902}
1903
1904/**
1905 * lpfc_init_vfi - Initialize the INIT_VFI mailbox command
1906 * @mbox: pointer to lpfc mbox command to initialize.
1907 * @vport: Vport associated with the VF.
1908 *
1909 * This routine initializes @mbox to all zeros and then fills in the mailbox
1910 * fields from @vport. INIT_VFI configures virtual fabrics identified by VFI
1911 * in the context of an FCF. The driver issues this command to setup a VFI
1912 * before issuing a FLOGI to login to the VSAN. The driver should also issue a
1913 * REG_VFI after a successful VSAN login.
1914 **/
1915void
1916lpfc_init_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport)
1917{
1918 struct lpfc_mbx_init_vfi *init_vfi;
1919
1920 memset(mbox, 0, sizeof(*mbox));
1921 init_vfi = &mbox->u.mqe.un.init_vfi;
1922 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VFI);
1923 bf_set(lpfc_init_vfi_vr, init_vfi, 1);
1924 bf_set(lpfc_init_vfi_vt, init_vfi, 1);
1925 bf_set(lpfc_init_vfi_vfi, init_vfi, vport->vfi + vport->phba->vfi_base);
1926 bf_set(lpfc_init_vfi_fcfi, init_vfi, vport->phba->fcf.fcfi);
1927}
1928
1929/**
1930 * lpfc_reg_vfi - Initialize the REG_VFI mailbox command
1931 * @mbox: pointer to lpfc mbox command to initialize.
1932 * @vport: vport associated with the VF.
1933 * @phys: BDE DMA bus address used to send the service parameters to the HBA.
1934 *
1935 * This routine initializes @mbox to all zeros and then fills in the mailbox
1936 * fields from @vport, and uses @buf as a DMAable buffer to send the vport's
1937 * fc service parameters to the HBA for this VFI. REG_VFI configures virtual
1938 * fabrics identified by VFI in the context of an FCF.
1939 **/
1940void
1941lpfc_reg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport, dma_addr_t phys)
1942{
1943 struct lpfc_mbx_reg_vfi *reg_vfi;
1944
1945 memset(mbox, 0, sizeof(*mbox));
1946 reg_vfi = &mbox->u.mqe.un.reg_vfi;
1947 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_VFI);
1948 bf_set(lpfc_reg_vfi_vp, reg_vfi, 1);
1949 bf_set(lpfc_reg_vfi_vfi, reg_vfi, vport->vfi + vport->phba->vfi_base);
1950 bf_set(lpfc_reg_vfi_fcfi, reg_vfi, vport->phba->fcf.fcfi);
1951 bf_set(lpfc_reg_vfi_vpi, reg_vfi, vport->vpi + vport->phba->vpi_base);
James Smartc8685952009-11-18 15:39:16 -05001952 memcpy(reg_vfi->wwn, &vport->fc_portname, sizeof(struct lpfc_name));
1953 reg_vfi->wwn[0] = cpu_to_le32(reg_vfi->wwn[0]);
1954 reg_vfi->wwn[1] = cpu_to_le32(reg_vfi->wwn[1]);
James Smartb19a0612010-04-06 14:48:51 -04001955 reg_vfi->e_d_tov = vport->phba->fc_edtov;
1956 reg_vfi->r_a_tov = vport->phba->fc_ratov;
James Smart04c68492009-05-22 14:52:52 -04001957 reg_vfi->bde.addrHigh = putPaddrHigh(phys);
1958 reg_vfi->bde.addrLow = putPaddrLow(phys);
1959 reg_vfi->bde.tus.f.bdeSize = sizeof(vport->fc_sparam);
1960 reg_vfi->bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64;
1961 bf_set(lpfc_reg_vfi_nport_id, reg_vfi, vport->fc_myDID);
1962}
1963
1964/**
1965 * lpfc_init_vpi - Initialize the INIT_VPI mailbox command
James Smart1c6834a2009-07-19 10:01:26 -04001966 * @phba: pointer to the hba structure to init the VPI for.
James Smart04c68492009-05-22 14:52:52 -04001967 * @mbox: pointer to lpfc mbox command to initialize.
1968 * @vpi: VPI to be initialized.
1969 *
1970 * The INIT_VPI mailbox command supports virtual N_Ports. The driver uses the
1971 * command to activate a virtual N_Port. The HBA assigns a MAC address to use
1972 * with the virtual N Port. The SLI Host issues this command before issuing a
1973 * FDISC to connect to the Fabric. The SLI Host should issue a REG_VPI after a
1974 * successful virtual NPort login.
1975 **/
1976void
James Smart1c6834a2009-07-19 10:01:26 -04001977lpfc_init_vpi(struct lpfc_hba *phba, struct lpfcMboxq *mbox, uint16_t vpi)
James Smart04c68492009-05-22 14:52:52 -04001978{
1979 memset(mbox, 0, sizeof(*mbox));
1980 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VPI);
James Smart1c6834a2009-07-19 10:01:26 -04001981 bf_set(lpfc_init_vpi_vpi, &mbox->u.mqe.un.init_vpi,
1982 vpi + phba->vpi_base);
1983 bf_set(lpfc_init_vpi_vfi, &mbox->u.mqe.un.init_vpi,
1984 phba->pport->vfi + phba->vfi_base);
James Smart04c68492009-05-22 14:52:52 -04001985}
1986
1987/**
1988 * lpfc_unreg_vfi - Initialize the UNREG_VFI mailbox command
1989 * @mbox: pointer to lpfc mbox command to initialize.
James Smart6669f9b2009-10-02 15:16:45 -04001990 * @vport: vport associated with the VF.
James Smart04c68492009-05-22 14:52:52 -04001991 *
1992 * The UNREG_VFI mailbox command causes the SLI Host to put a virtual fabric
1993 * (logical NPort) into the inactive state. The SLI Host must have logged out
1994 * and unregistered all remote N_Ports to abort any activity on the virtual
1995 * fabric. The SLI Port posts the mailbox response after marking the virtual
1996 * fabric inactive.
1997 **/
1998void
James Smart6669f9b2009-10-02 15:16:45 -04001999lpfc_unreg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport)
James Smart04c68492009-05-22 14:52:52 -04002000{
2001 memset(mbox, 0, sizeof(*mbox));
2002 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_VFI);
James Smart6669f9b2009-10-02 15:16:45 -04002003 bf_set(lpfc_unreg_vfi_vfi, &mbox->u.mqe.un.unreg_vfi,
2004 vport->vfi + vport->phba->vfi_base);
James Smart04c68492009-05-22 14:52:52 -04002005}
2006
2007/**
2008 * lpfc_dump_fcoe_param - Dump config region 23 to get FCoe parameters.
2009 * @phba: pointer to the hba structure containing.
2010 * @mbox: pointer to lpfc mbox command to initialize.
2011 *
2012 * This function create a SLI4 dump mailbox command to dump FCoE
2013 * parameters stored in region 23.
2014 **/
2015int
2016lpfc_dump_fcoe_param(struct lpfc_hba *phba,
2017 struct lpfcMboxq *mbox)
2018{
2019 struct lpfc_dmabuf *mp = NULL;
2020 MAILBOX_t *mb;
2021
2022 memset(mbox, 0, sizeof(*mbox));
2023 mb = &mbox->u.mb;
2024
2025 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2026 if (mp)
2027 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
2028
2029 if (!mp || !mp->virt) {
2030 kfree(mp);
2031 /* dump_fcoe_param failed to allocate memory */
2032 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
2033 "2569 lpfc_dump_fcoe_param: memory"
James Smarte4e74272009-07-19 10:01:38 -04002034 " allocation failed\n");
James Smart04c68492009-05-22 14:52:52 -04002035 return 1;
2036 }
2037
2038 memset(mp->virt, 0, LPFC_BPL_SIZE);
2039 INIT_LIST_HEAD(&mp->list);
2040
2041 /* save address for completion */
2042 mbox->context1 = (uint8_t *) mp;
2043
2044 mb->mbxCommand = MBX_DUMP_MEMORY;
2045 mb->un.varDmp.type = DMP_NV_PARAMS;
James Smarta0c87cb2009-07-19 10:01:10 -04002046 mb->un.varDmp.region_id = DMP_REGION_23;
2047 mb->un.varDmp.sli4_length = DMP_RGN23_SIZE;
James Smart04c68492009-05-22 14:52:52 -04002048 mb->un.varWords[3] = putPaddrLow(mp->phys);
2049 mb->un.varWords[4] = putPaddrHigh(mp->phys);
2050 return 0;
2051}
2052
2053/**
2054 * lpfc_reg_fcfi - Initialize the REG_FCFI mailbox command
2055 * @phba: pointer to the hba structure containing the FCF index and RQ ID.
2056 * @mbox: pointer to lpfc mbox command to initialize.
2057 *
2058 * The REG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs). The
2059 * SLI Host uses the command to activate an FCF after it has acquired FCF
2060 * information via a READ_FCF mailbox command. This mailbox command also is used
2061 * to indicate where received unsolicited frames from this FCF will be sent. By
2062 * default this routine will set up the FCF to forward all unsolicited frames
2063 * the the RQ ID passed in the @phba. This can be overridden by the caller for
2064 * more complicated setups.
2065 **/
2066void
2067lpfc_reg_fcfi(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
2068{
2069 struct lpfc_mbx_reg_fcfi *reg_fcfi;
2070
2071 memset(mbox, 0, sizeof(*mbox));
2072 reg_fcfi = &mbox->u.mqe.un.reg_fcfi;
2073 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_FCFI);
2074 bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi, phba->sli4_hba.hdr_rq->queue_id);
2075 bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi, REG_FCF_INVALID_QID);
2076 bf_set(lpfc_reg_fcfi_rq_id2, reg_fcfi, REG_FCF_INVALID_QID);
2077 bf_set(lpfc_reg_fcfi_rq_id3, reg_fcfi, REG_FCF_INVALID_QID);
James Smartecfd03c2010-02-12 14:41:27 -05002078 bf_set(lpfc_reg_fcfi_info_index, reg_fcfi,
2079 phba->fcf.current_rec.fcf_indx);
James Smart04c68492009-05-22 14:52:52 -04002080 /* reg_fcf addr mode is bit wise inverted value of fcf addr_mode */
James Smartecfd03c2010-02-12 14:41:27 -05002081 bf_set(lpfc_reg_fcfi_mam, reg_fcfi, (~phba->fcf.addr_mode) & 0x3);
James Smart3804dc82010-07-14 15:31:37 -04002082 if (phba->fcf.current_rec.vlan_id != LPFC_FCOE_NULL_VID) {
James Smart04c68492009-05-22 14:52:52 -04002083 bf_set(lpfc_reg_fcfi_vv, reg_fcfi, 1);
James Smartecfd03c2010-02-12 14:41:27 -05002084 bf_set(lpfc_reg_fcfi_vlan_tag, reg_fcfi,
2085 phba->fcf.current_rec.vlan_id);
James Smart04c68492009-05-22 14:52:52 -04002086 }
2087}
2088
2089/**
2090 * lpfc_unreg_fcfi - Initialize the UNREG_FCFI mailbox command
2091 * @mbox: pointer to lpfc mbox command to initialize.
2092 * @fcfi: FCFI to be unregistered.
2093 *
2094 * The UNREG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs).
2095 * The SLI Host uses the command to inactivate an FCFI.
2096 **/
2097void
2098lpfc_unreg_fcfi(struct lpfcMboxq *mbox, uint16_t fcfi)
2099{
2100 memset(mbox, 0, sizeof(*mbox));
2101 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_FCFI);
2102 bf_set(lpfc_unreg_fcfi, &mbox->u.mqe.un.unreg_fcfi, fcfi);
2103}
2104
2105/**
2106 * lpfc_resume_rpi - Initialize the RESUME_RPI mailbox command
2107 * @mbox: pointer to lpfc mbox command to initialize.
2108 * @ndlp: The nodelist structure that describes the RPI to resume.
2109 *
2110 * The RESUME_RPI mailbox command is used to restart I/O to an RPI after a
2111 * link event.
2112 **/
2113void
2114lpfc_resume_rpi(struct lpfcMboxq *mbox, struct lpfc_nodelist *ndlp)
2115{
2116 struct lpfc_mbx_resume_rpi *resume_rpi;
2117
2118 memset(mbox, 0, sizeof(*mbox));
2119 resume_rpi = &mbox->u.mqe.un.resume_rpi;
2120 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_RESUME_RPI);
James Smart8fa38512009-07-19 10:01:03 -04002121 bf_set(lpfc_resume_rpi_index, resume_rpi, ndlp->nlp_rpi);
2122 bf_set(lpfc_resume_rpi_ii, resume_rpi, RESUME_INDEX_RPI);
2123 resume_rpi->event_tag = ndlp->phba->fc_eventTag;
James Smart04c68492009-05-22 14:52:52 -04002124}
James Smart28baac72010-02-12 14:42:03 -05002125
2126/**
2127 * lpfc_supported_pages - Initialize the PORT_CAPABILITIES supported pages
2128 * mailbox command.
2129 * @mbox: pointer to lpfc mbox command to initialize.
2130 *
2131 * The PORT_CAPABILITIES supported pages mailbox command is issued to
2132 * retrieve the particular feature pages supported by the port.
2133 **/
2134void
2135lpfc_supported_pages(struct lpfcMboxq *mbox)
2136{
2137 struct lpfc_mbx_supp_pages *supp_pages;
2138
2139 memset(mbox, 0, sizeof(*mbox));
2140 supp_pages = &mbox->u.mqe.un.supp_pages;
2141 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_PORT_CAPABILITIES);
2142 bf_set(cpn, supp_pages, LPFC_SUPP_PAGES);
2143}
2144
2145/**
2146 * lpfc_sli4_params - Initialize the PORT_CAPABILITIES SLI4 Params
2147 * mailbox command.
2148 * @mbox: pointer to lpfc mbox command to initialize.
2149 *
2150 * The PORT_CAPABILITIES SLI4 parameters mailbox command is issued to
2151 * retrieve the particular SLI4 features supported by the port.
2152 **/
2153void
2154lpfc_sli4_params(struct lpfcMboxq *mbox)
2155{
2156 struct lpfc_mbx_sli4_params *sli4_params;
2157
2158 memset(mbox, 0, sizeof(*mbox));
2159 sli4_params = &mbox->u.mqe.un.sli4_params;
2160 bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_PORT_CAPABILITIES);
2161 bf_set(cpn, sli4_params, LPFC_SLI4_PARAMETERS);
2162}