1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for         *
3 * Fibre Channel Host Bus Adapters.                                *
4 * Copyright (C) 2017-2018 Broadcom. All Rights Reserved. The term *
5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.     *
6 * Copyright (C) 2004-2016 Emulex.  All rights reserved.           *
7 * EMULEX and SLI are trademarks of Emulex.                        *
8 * www.broadcom.com                                                *
9 * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
10 *                                                                 *
11 * This program is free software; you can redistribute it and/or   *
12 * modify it under the terms of version 2 of the GNU General       *
13 * Public License as published by the Free Software Foundation.    *
14 * This program is distributed in the hope that it will be useful. *
15 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
16 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
17 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
18 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
19 * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
20 * more details, a copy of which can be found in the file COPYING  *
21 * included with this package.                                     *
22 *******************************************************************/
23
24#include <linux/blkdev.h>
25#include <linux/pci.h>
26#include <linux/slab.h>
27#include <linux/interrupt.h>
28
29#include <scsi/scsi_device.h>
30#include <scsi/scsi_transport_fc.h>
31#include <scsi/scsi.h>
32#include <scsi/fc/fc_fs.h>
33
34#include "lpfc_hw4.h"
35#include "lpfc_hw.h"
36#include "lpfc_sli.h"
37#include "lpfc_sli4.h"
38#include "lpfc_nl.h"
39#include "lpfc_disc.h"
40#include "lpfc_scsi.h"
41#include "lpfc.h"
42#include "lpfc_logmsg.h"
43#include "lpfc_crtn.h"
44#include "lpfc_compat.h"
45
46/**
47 * lpfc_dump_static_vport - Dump HBA's static vport information.
48 * @phba: pointer to lpfc hba data structure.
49 * @pmb: pointer to the driver internal queue element for mailbox command.
50 * @offset: offset for dumping vport info.
51 *
52 * The dump mailbox command provides a method for the device driver to obtain
53 * various types of information from the HBA device.
54 *
55 * This routine prepares the mailbox command for dumping list of static
56 * vports to be created.
57 **/
58int
59lpfc_dump_static_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb,
60		uint16_t offset)
61{
62	MAILBOX_t *mb;
63	struct lpfc_dmabuf *mp;
64
65	mb = &pmb->u.mb;
66
67	/* Setup to dump vport info region */
68	memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
69	mb->mbxCommand = MBX_DUMP_MEMORY;
70	mb->un.varDmp.type = DMP_NV_PARAMS;
71	mb->un.varDmp.entry_index = offset;
72	mb->un.varDmp.region_id = DMP_REGION_VPORT;
73	mb->mbxOwner = OWN_HOST;
74
75	/* For SLI3 HBAs data is embedded in mailbox */
76	if (phba->sli_rev != LPFC_SLI_REV4) {
77		mb->un.varDmp.cv = 1;
78		mb->un.varDmp.word_cnt = DMP_RSP_SIZE/sizeof(uint32_t);
79		return 0;
80	}
81
82	/* For SLI4 HBAs driver need to allocate memory */
83	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
84	if (mp)
85		mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
86
87	if (!mp || !mp->virt) {
88		kfree(mp);
89		lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
90			"2605 lpfc_dump_static_vport: memory"
91			" allocation failed\n");
92		return 1;
93	}
94	memset(mp->virt, 0, LPFC_BPL_SIZE);
95	INIT_LIST_HEAD(&mp->list);
96	/* save address for completion */
97	pmb->ctx_buf = (uint8_t *)mp;
98	mb->un.varWords[3] = putPaddrLow(mp->phys);
99	mb->un.varWords[4] = putPaddrHigh(mp->phys);
100	mb->un.varDmp.sli4_length = sizeof(struct static_vport_info);
101
102	return 0;
103}
104
105/**
106 * lpfc_down_link - Bring down HBAs link.
107 * @phba: pointer to lpfc hba data structure.
108 * @pmb: pointer to the driver internal queue element for mailbox command.
109 *
110 * This routine prepares a mailbox command to bring down HBA link.
111 **/
112void
113lpfc_down_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
114{
115	MAILBOX_t *mb;
116	memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
117	mb = &pmb->u.mb;
118	mb->mbxCommand = MBX_DOWN_LINK;
119	mb->mbxOwner = OWN_HOST;
120}
121
122/**
123 * lpfc_dump_mem - Prepare a mailbox command for reading a region.
124 * @phba: pointer to lpfc hba data structure.
125 * @pmb: pointer to the driver internal queue element for mailbox command.
126 * @offset: offset into the region.
127 * @region_id: config region id.
128 *
129 * The dump mailbox command provides a method for the device driver to obtain
130 * various types of information from the HBA device.
131 *
132 * This routine prepares the mailbox command for dumping HBA's config region.
133 **/
134void
135lpfc_dump_mem(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, uint16_t offset,
136		uint16_t region_id)
137{
138	MAILBOX_t *mb;
139	void *ctx;
140
141	mb = &pmb->u.mb;
142	ctx = pmb->ctx_buf;
143
144	/* Setup to dump VPD region */
145	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
146	mb->mbxCommand = MBX_DUMP_MEMORY;
147	mb->un.varDmp.cv = 1;
148	mb->un.varDmp.type = DMP_NV_PARAMS;
149	mb->un.varDmp.entry_index = offset;
150	mb->un.varDmp.region_id = region_id;
151	mb->un.varDmp.word_cnt = (DMP_RSP_SIZE / sizeof (uint32_t));
152	mb->un.varDmp.co = 0;
153	mb->un.varDmp.resp_offset = 0;
154	pmb->ctx_buf = ctx;
155	mb->mbxOwner = OWN_HOST;
156	return;
157}
158
159/**
160 * lpfc_dump_wakeup_param - Prepare mailbox command for retrieving wakeup params
161 * @phba: pointer to lpfc hba data structure.
162 * @pmb: pointer to the driver internal queue element for mailbox command.
163 *
164 * This function create a dump memory mailbox command to dump wake up
165 * parameters.
166 */
167void
168lpfc_dump_wakeup_param(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
169{
170	MAILBOX_t *mb;
171	void *ctx;
172
173	mb = &pmb->u.mb;
174	/* Save context so that we can restore after memset */
175	ctx = pmb->ctx_buf;
176
177	/* Setup to dump VPD region */
178	memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
179	mb->mbxCommand = MBX_DUMP_MEMORY;
180	mb->mbxOwner = OWN_HOST;
181	mb->un.varDmp.cv = 1;
182	mb->un.varDmp.type = DMP_NV_PARAMS;
183	if (phba->sli_rev < LPFC_SLI_REV4)
184		mb->un.varDmp.entry_index = 0;
185	mb->un.varDmp.region_id = WAKE_UP_PARMS_REGION_ID;
186	mb->un.varDmp.word_cnt = WAKE_UP_PARMS_WORD_SIZE;
187	mb->un.varDmp.co = 0;
188	mb->un.varDmp.resp_offset = 0;
189	pmb->ctx_buf = ctx;
190	return;
191}
192
193/**
194 * lpfc_read_nv - Prepare a mailbox command for reading HBA's NVRAM param
195 * @phba: pointer to lpfc hba data structure.
196 * @pmb: pointer to the driver internal queue element for mailbox command.
197 *
198 * The read NVRAM mailbox command returns the HBA's non-volatile parameters
199 * that are used as defaults when the Fibre Channel link is brought on-line.
200 *
201 * This routine prepares the mailbox command for reading information stored
202 * in the HBA's NVRAM. Specifically, the HBA's WWNN and WWPN.
203 **/
204void
205lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
206{
207	MAILBOX_t *mb;
208
209	mb = &pmb->u.mb;
210	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
211	mb->mbxCommand = MBX_READ_NV;
212	mb->mbxOwner = OWN_HOST;
213	return;
214}
215
216/**
217 * lpfc_config_async - Prepare a mailbox command for enabling HBA async event
218 * @phba: pointer to lpfc hba data structure.
219 * @pmb: pointer to the driver internal queue element for mailbox command.
220 * @ring: ring number for the asynchronous event to be configured.
221 *
222 * The asynchronous event enable mailbox command is used to enable the
223 * asynchronous event posting via the ASYNC_STATUS_CN IOCB response and
224 * specifies the default ring to which events are posted.
225 *
226 * This routine prepares the mailbox command for enabling HBA asynchronous
227 * event support on a IOCB ring.
228 **/
229void
230lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
231		uint32_t ring)
232{
233	MAILBOX_t *mb;
234
235	mb = &pmb->u.mb;
236	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
237	mb->mbxCommand = MBX_ASYNCEVT_ENABLE;
238	mb->un.varCfgAsyncEvent.ring = ring;
239	mb->mbxOwner = OWN_HOST;
240	return;
241}
242
243/**
244 * lpfc_heart_beat - Prepare a mailbox command for heart beat
245 * @phba: pointer to lpfc hba data structure.
246 * @pmb: pointer to the driver internal queue element for mailbox command.
247 *
248 * The heart beat mailbox command is used to detect an unresponsive HBA, which
249 * is defined as any device where no error attention is sent and both mailbox
250 * and rings are not processed.
251 *
252 * This routine prepares the mailbox command for issuing a heart beat in the
253 * form of mailbox command to the HBA. The timely completion of the heart
254 * beat mailbox command indicates the health of the HBA.
255 **/
256void
257lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
258{
259	MAILBOX_t *mb;
260
261	mb = &pmb->u.mb;
262	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
263	mb->mbxCommand = MBX_HEARTBEAT;
264	mb->mbxOwner = OWN_HOST;
265	return;
266}
267
268/**
269 * lpfc_read_topology - Prepare a mailbox command for reading HBA topology
270 * @phba: pointer to lpfc hba data structure.
271 * @pmb: pointer to the driver internal queue element for mailbox command.
272 * @mp: DMA buffer memory for reading the link attention information into.
273 *
274 * The read topology mailbox command is issued to read the link topology
275 * information indicated by the HBA port when the Link Event bit of the Host
276 * Attention (HSTATT) register is set to 1 (For SLI-3) or when an FC Link
277 * Attention ACQE is received from the port (For SLI-4). A Link Event
278 * Attention occurs based on an exception detected at the Fibre Channel link
279 * interface.
280 *
281 * This routine prepares the mailbox command for reading HBA link topology
282 * information. A DMA memory has been set aside and address passed to the
283 * HBA through @mp for the HBA to DMA link attention information into the
284 * memory as part of the execution of the mailbox command.
285 *
286 * Return codes
287 *    0 - Success (currently always return 0)
288 **/
289int
290lpfc_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb,
291		   struct lpfc_dmabuf *mp)
292{
293	MAILBOX_t *mb;
294
295	mb = &pmb->u.mb;
296	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
297
298	INIT_LIST_HEAD(&mp->list);
299	mb->mbxCommand = MBX_READ_TOPOLOGY;
300	mb->un.varReadTop.lilpBde64.tus.f.bdeSize = LPFC_ALPA_MAP_SIZE;
301	mb->un.varReadTop.lilpBde64.addrHigh = putPaddrHigh(mp->phys);
302	mb->un.varReadTop.lilpBde64.addrLow = putPaddrLow(mp->phys);
303
304	/* Save address for later completion and set the owner to host so that
305	 * the FW knows this mailbox is available for processing.
306	 */
307	pmb->ctx_buf = (uint8_t *)mp;
308	mb->mbxOwner = OWN_HOST;
309	return (0);
310}
311
312/**
313 * lpfc_clear_la - Prepare a mailbox command for clearing HBA link attention
314 * @phba: pointer to lpfc hba data structure.
315 * @pmb: pointer to the driver internal queue element for mailbox command.
316 *
317 * The clear link attention mailbox command is issued to clear the link event
318 * attention condition indicated by the Link Event bit of the Host Attention
319 * (HSTATT) register. The link event attention condition is cleared only if
320 * the event tag specified matches that of the current link event counter.
321 * The current event tag is read using the read link attention event mailbox
322 * command.
323 *
324 * This routine prepares the mailbox command for clearing HBA link attention
325 * information.
326 **/
327void
328lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
329{
330	MAILBOX_t *mb;
331
332	mb = &pmb->u.mb;
333	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
334
335	mb->un.varClearLA.eventTag = phba->fc_eventTag;
336	mb->mbxCommand = MBX_CLEAR_LA;
337	mb->mbxOwner = OWN_HOST;
338	return;
339}
340
341/**
342 * lpfc_config_link - Prepare a mailbox command for configuring link on a HBA
343 * @phba: pointer to lpfc hba data structure.
344 * @pmb: pointer to the driver internal queue element for mailbox command.
345 *
346 * The configure link mailbox command is used before the initialize link
347 * mailbox command to override default value and to configure link-oriented
348 * parameters such as DID address and various timers. Typically, this
349 * command would be used after an F_Port login to set the returned DID address
350 * and the fabric timeout values. This command is not valid before a configure
351 * port command has configured the HBA port.
352 *
353 * This routine prepares the mailbox command for configuring link on a HBA.
354 **/
355void
356lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
357{
358	struct lpfc_vport  *vport = phba->pport;
359	MAILBOX_t *mb = &pmb->u.mb;
360	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
361
362	/* NEW_FEATURE
363	 * SLI-2, Coalescing Response Feature.
364	 */
365	if (phba->cfg_cr_delay && (phba->sli_rev < LPFC_SLI_REV4)) {
366		mb->un.varCfgLnk.cr = 1;
367		mb->un.varCfgLnk.ci = 1;
368		mb->un.varCfgLnk.cr_delay = phba->cfg_cr_delay;
369		mb->un.varCfgLnk.cr_count = phba->cfg_cr_count;
370	}
371
372	mb->un.varCfgLnk.myId = vport->fc_myDID;
373	mb->un.varCfgLnk.edtov = phba->fc_edtov;
374	mb->un.varCfgLnk.arbtov = phba->fc_arbtov;
375	mb->un.varCfgLnk.ratov = phba->fc_ratov;
376	mb->un.varCfgLnk.rttov = phba->fc_rttov;
377	mb->un.varCfgLnk.altov = phba->fc_altov;
378	mb->un.varCfgLnk.crtov = phba->fc_crtov;
379	mb->un.varCfgLnk.cscn = 0;
380	if (phba->bbcredit_support && phba->cfg_enable_bbcr) {
381		mb->un.varCfgLnk.cscn = 1;
382		mb->un.varCfgLnk.bbscn = bf_get(lpfc_bbscn_def,
383						 &phba->sli4_hba.bbscn_params);
384	}
385
386	if (phba->cfg_ack0 && (phba->sli_rev < LPFC_SLI_REV4))
387		mb->un.varCfgLnk.ack0_enable = 1;
388
389	mb->mbxCommand = MBX_CONFIG_LINK;
390	mb->mbxOwner = OWN_HOST;
391	return;
392}
393
394/**
395 * lpfc_config_msi - Prepare a mailbox command for configuring msi-x
396 * @phba: pointer to lpfc hba data structure.
397 * @pmb: pointer to the driver internal queue element for mailbox command.
398 *
399 * The configure MSI-X mailbox command is used to configure the HBA's SLI-3
400 * MSI-X multi-message interrupt vector association to interrupt attention
401 * conditions.
402 *
403 * Return codes
404 *    0 - Success
405 *    -EINVAL - Failure
406 **/
407int
408lpfc_config_msi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
409{
410	MAILBOX_t *mb = &pmb->u.mb;
411	uint32_t attentionConditions[2];
412
413	/* Sanity check */
414	if (phba->cfg_use_msi != 2) {
415		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
416				"0475 Not configured for supporting MSI-X "
417				"cfg_use_msi: 0x%x\n", phba->cfg_use_msi);
418		return -EINVAL;
419	}
420
421	if (phba->sli_rev < 3) {
422		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
423				"0476 HBA not supporting SLI-3 or later "
424				"SLI Revision: 0x%x\n", phba->sli_rev);
425		return -EINVAL;
426	}
427
428	/* Clear mailbox command fields */
429	memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
430
431	/*
432	 * SLI-3, Message Signaled Interrupt Fearure.
433	 */
434
435	/* Multi-message attention configuration */
436	attentionConditions[0] = (HA_R0ATT | HA_R1ATT | HA_R2ATT | HA_ERATT |
437				  HA_LATT | HA_MBATT);
438	attentionConditions[1] = 0;
439
440	mb->un.varCfgMSI.attentionConditions[0] = attentionConditions[0];
441	mb->un.varCfgMSI.attentionConditions[1] = attentionConditions[1];
442
443	/*
444	 * Set up message number to HA bit association
445	 */
446#ifdef __BIG_ENDIAN_BITFIELD
447	/* RA0 (FCP Ring) */
448	mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS] = 1;
449	/* RA1 (Other Protocol Extra Ring) */
450	mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS] = 1;
451#else   /*  __LITTLE_ENDIAN_BITFIELD */
452	/* RA0 (FCP Ring) */
453	mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS^3] = 1;
454	/* RA1 (Other Protocol Extra Ring) */
455	mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS^3] = 1;
456#endif
457	/* Multi-message interrupt autoclear configuration*/
458	mb->un.varCfgMSI.autoClearHA[0] = attentionConditions[0];
459	mb->un.varCfgMSI.autoClearHA[1] = attentionConditions[1];
460
461	/* For now, HBA autoclear does not work reliably, disable it */
462	mb->un.varCfgMSI.autoClearHA[0] = 0;
463	mb->un.varCfgMSI.autoClearHA[1] = 0;
464
465	/* Set command and owner bit */
466	mb->mbxCommand = MBX_CONFIG_MSI;
467	mb->mbxOwner = OWN_HOST;
468
469	return 0;
470}
471
472/**
473 * lpfc_init_link - Prepare a mailbox command for initialize link on a HBA
474 * @phba: pointer to lpfc hba data structure.
475 * @pmb: pointer to the driver internal queue element for mailbox command.
476 * @topology: the link topology for the link to be initialized to.
477 * @linkspeed: the link speed for the link to be initialized to.
478 *
479 * The initialize link mailbox command is used to initialize the Fibre
480 * Channel link. This command must follow a configure port command that
481 * establishes the mode of operation.
482 *
483 * This routine prepares the mailbox command for initializing link on a HBA
484 * with the specified link topology and speed.
485 **/
486void
487lpfc_init_link(struct lpfc_hba * phba,
488	       LPFC_MBOXQ_t * pmb, uint32_t topology, uint32_t linkspeed)
489{
490	lpfc_vpd_t *vpd;
491	MAILBOX_t *mb;
492
493	mb = &pmb->u.mb;
494	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
495
496	switch (topology) {
497	case FLAGS_TOPOLOGY_MODE_LOOP_PT:
498		mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP;
499		mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER;
500		break;
501	case FLAGS_TOPOLOGY_MODE_PT_PT:
502		mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
503		break;
504	case FLAGS_TOPOLOGY_MODE_LOOP:
505		mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP;
506		break;
507	case FLAGS_TOPOLOGY_MODE_PT_LOOP:
508		mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
509		mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER;
510		break;
511	case FLAGS_LOCAL_LB:
512		mb->un.varInitLnk.link_flags = FLAGS_LOCAL_LB;
513		break;
514	}
515
516	if ((phba->pcidev->device == PCI_DEVICE_ID_LANCER_G6_FC ||
517	     phba->pcidev->device == PCI_DEVICE_ID_LANCER_G7_FC) &&
518	    !(phba->sli4_hba.pc_sli4_params.pls) &&
519	    mb->un.varInitLnk.link_flags & FLAGS_TOPOLOGY_MODE_LOOP) {
520		mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
521		phba->cfg_topology = FLAGS_TOPOLOGY_MODE_PT_PT;
522	}
523
524	/* Enable asynchronous ABTS responses from firmware */
525	mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT;
526
527	/* NEW_FEATURE
528	 * Setting up the link speed
529	 */
530	vpd = &phba->vpd;
531	if (vpd->rev.feaLevelHigh >= 0x02){
532		switch(linkspeed){
533		case LPFC_USER_LINK_SPEED_1G:
534			mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
535			mb->un.varInitLnk.link_speed = LINK_SPEED_1G;
536			break;
537		case LPFC_USER_LINK_SPEED_2G:
538			mb->un.varInitLnk.link_flags |=	FLAGS_LINK_SPEED;
539			mb->un.varInitLnk.link_speed = LINK_SPEED_2G;
540			break;
541		case LPFC_USER_LINK_SPEED_4G:
542			mb->un.varInitLnk.link_flags |=	FLAGS_LINK_SPEED;
543			mb->un.varInitLnk.link_speed = LINK_SPEED_4G;
544			break;
545		case LPFC_USER_LINK_SPEED_8G:
546			mb->un.varInitLnk.link_flags |=	FLAGS_LINK_SPEED;
547			mb->un.varInitLnk.link_speed = LINK_SPEED_8G;
548			break;
549		case LPFC_USER_LINK_SPEED_10G:
550			mb->un.varInitLnk.link_flags |=	FLAGS_LINK_SPEED;
551			mb->un.varInitLnk.link_speed = LINK_SPEED_10G;
552			break;
553		case LPFC_USER_LINK_SPEED_16G:
554			mb->un.varInitLnk.link_flags |=	FLAGS_LINK_SPEED;
555			mb->un.varInitLnk.link_speed = LINK_SPEED_16G;
556			break;
557		case LPFC_USER_LINK_SPEED_32G:
558			mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
559			mb->un.varInitLnk.link_speed = LINK_SPEED_32G;
560			break;
561		case LPFC_USER_LINK_SPEED_64G:
562			mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
563			mb->un.varInitLnk.link_speed = LINK_SPEED_64G;
564			break;
565		case LPFC_USER_LINK_SPEED_AUTO:
566		default:
567			mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO;
568			break;
569		}
570
571	}
572	else
573		mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO;
574
575	mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK;
576	mb->mbxOwner = OWN_HOST;
577	mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA;
578	return;
579}
580
581/**
582 * lpfc_read_sparam - Prepare a mailbox command for reading HBA parameters
583 * @phba: pointer to lpfc hba data structure.
584 * @pmb: pointer to the driver internal queue element for mailbox command.
585 * @vpi: virtual N_Port identifier.
586 *
587 * The read service parameter mailbox command is used to read the HBA port
588 * service parameters. The service parameters are read into the buffer
589 * specified directly by a BDE in the mailbox command. These service
590 * parameters may then be used to build the payload of an N_Port/F_POrt
591 * login request and reply (LOGI/ACC).
592 *
593 * This routine prepares the mailbox command for reading HBA port service
594 * parameters. The DMA memory is allocated in this function and the addresses
595 * are populated into the mailbox command for the HBA to DMA the service
596 * parameters into.
597 *
598 * Return codes
599 *    0 - Success
600 *    1 - DMA memory allocation failed
601 **/
602int
603lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi)
604{
605	struct lpfc_dmabuf *mp;
606	MAILBOX_t *mb;
607
608	mb = &pmb->u.mb;
609	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
610
611	mb->mbxOwner = OWN_HOST;
612
613	/* Get a buffer to hold the HBAs Service Parameters */
614
615	mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
616	if (mp)
617		mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
618	if (!mp || !mp->virt) {
619		kfree(mp);
620		mb->mbxCommand = MBX_READ_SPARM64;
621		/* READ_SPARAM: no buffers */
622		lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
623			        "0301 READ_SPARAM: no buffers\n");
624		return (1);
625	}
626	INIT_LIST_HEAD(&mp->list);
627	mb->mbxCommand = MBX_READ_SPARM64;
628	mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
629	mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys);
630	mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys);
631	if (phba->sli_rev >= LPFC_SLI_REV3)
632		mb->un.varRdSparm.vpi = phba->vpi_ids[vpi];
633
634	/* save address for completion */
635	pmb->ctx_buf = mp;
636
637	return (0);
638}
639
640/**
641 * lpfc_unreg_did - Prepare a mailbox command for unregistering DID
642 * @phba: pointer to lpfc hba data structure.
643 * @vpi: virtual N_Port identifier.
644 * @did: remote port identifier.
645 * @pmb: pointer to the driver internal queue element for mailbox command.
646 *
647 * The unregister DID mailbox command is used to unregister an N_Port/F_Port
648 * login for an unknown RPI by specifying the DID of a remote port. This
649 * command frees an RPI context in the HBA port. This has the effect of
650 * performing an implicit N_Port/F_Port logout.
651 *
652 * This routine prepares the mailbox command for unregistering a remote
653 * N_Port/F_Port (DID) login.
654 **/
655void
656lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did,
657	       LPFC_MBOXQ_t * pmb)
658{
659	MAILBOX_t *mb;
660
661	mb = &pmb->u.mb;
662	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
663
664	mb->un.varUnregDID.did = did;
665	mb->un.varUnregDID.vpi = vpi;
666	if ((vpi != 0xffff) &&
667	    (phba->sli_rev == LPFC_SLI_REV4))
668		mb->un.varUnregDID.vpi = phba->vpi_ids[vpi];
669
670	mb->mbxCommand = MBX_UNREG_D_ID;
671	mb->mbxOwner = OWN_HOST;
672	return;
673}
674
675/**
676 * lpfc_read_config - Prepare a mailbox command for reading HBA configuration
677 * @phba: pointer to lpfc hba data structure.
678 * @pmb: pointer to the driver internal queue element for mailbox command.
679 *
680 * The read configuration mailbox command is used to read the HBA port
681 * configuration parameters. This mailbox command provides a method for
682 * seeing any parameters that may have changed via various configuration
683 * mailbox commands.
684 *
685 * This routine prepares the mailbox command for reading out HBA configuration
686 * parameters.
687 **/
688void
689lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
690{
691	MAILBOX_t *mb;
692
693	mb = &pmb->u.mb;
694	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
695
696	mb->mbxCommand = MBX_READ_CONFIG;
697	mb->mbxOwner = OWN_HOST;
698	return;
699}
700
701/**
702 * lpfc_read_lnk_stat - Prepare a mailbox command for reading HBA link stats
703 * @phba: pointer to lpfc hba data structure.
704 * @pmb: pointer to the driver internal queue element for mailbox command.
705 *
706 * The read link status mailbox command is used to read the link status from
707 * the HBA. Link status includes all link-related error counters. These
708 * counters are maintained by the HBA and originated in the link hardware
709 * unit. Note that all of these counters wrap.
710 *
711 * This routine prepares the mailbox command for reading out HBA link status.
712 **/
713void
714lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
715{
716	MAILBOX_t *mb;
717
718	mb = &pmb->u.mb;
719	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
720
721	mb->mbxCommand = MBX_READ_LNK_STAT;
722	mb->mbxOwner = OWN_HOST;
723	return;
724}
725
726/**
727 * lpfc_reg_rpi - Prepare a mailbox command for registering remote login
728 * @phba: pointer to lpfc hba data structure.
729 * @vpi: virtual N_Port identifier.
730 * @did: remote port identifier.
731 * @param: pointer to memory holding the server parameters.
732 * @pmb: pointer to the driver internal queue element for mailbox command.
733 * @rpi: the rpi to use in the registration (usually only used for SLI4.
734 *
735 * The registration login mailbox command is used to register an N_Port or
736 * F_Port login. This registration allows the HBA to cache the remote N_Port
737 * service parameters internally and thereby make the appropriate FC-2
738 * decisions. The remote port service parameters are handed off by the driver
739 * to the HBA using a descriptor entry that directly identifies a buffer in
740 * host memory. In exchange, the HBA returns an RPI identifier.
741 *
742 * This routine prepares the mailbox command for registering remote port login.
743 * The function allocates DMA buffer for passing the service parameters to the
744 * HBA with the mailbox command.
745 *
746 * Return codes
747 *    0 - Success
748 *    1 - DMA memory allocation failed
749 **/
750int
751lpfc_reg_rpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t did,
752	     uint8_t *param, LPFC_MBOXQ_t *pmb, uint16_t rpi)
753{
754	MAILBOX_t *mb = &pmb->u.mb;
755	uint8_t *sparam;
756	struct lpfc_dmabuf *mp;
757
758	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
759
760	mb->un.varRegLogin.rpi = 0;
761	if (phba->sli_rev == LPFC_SLI_REV4)
762		mb->un.varRegLogin.rpi = phba->sli4_hba.rpi_ids[rpi];
763	if (phba->sli_rev >= LPFC_SLI_REV3)
764		mb->un.varRegLogin.vpi = phba->vpi_ids[vpi];
765	mb->un.varRegLogin.did = did;
766	mb->mbxOwner = OWN_HOST;
767	/* Get a buffer to hold NPorts Service Parameters */
768	mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
769	if (mp)
770		mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
771	if (!mp || !mp->virt) {
772		kfree(mp);
773		mb->mbxCommand = MBX_REG_LOGIN64;
774		/* REG_LOGIN: no buffers */
775		lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
776				"0302 REG_LOGIN: no buffers, VPI:%d DID:x%x, "
777				"rpi x%x\n", vpi, did, rpi);
778		return 1;
779	}
780	INIT_LIST_HEAD(&mp->list);
781	sparam = mp->virt;
782
783	/* Copy param's into a new buffer */
784	memcpy(sparam, param, sizeof (struct serv_parm));
785
786	/* save address for completion */
787	pmb->ctx_buf = (uint8_t *)mp;
788
789	mb->mbxCommand = MBX_REG_LOGIN64;
790	mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
791	mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys);
792	mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys);
793
794	return 0;
795}
796
797/**
798 * lpfc_unreg_login - Prepare a mailbox command for unregistering remote login
799 * @phba: pointer to lpfc hba data structure.
800 * @vpi: virtual N_Port identifier.
801 * @rpi: remote port identifier
802 * @pmb: pointer to the driver internal queue element for mailbox command.
803 *
804 * The unregistration login mailbox command is used to unregister an N_Port
805 * or F_Port login. This command frees an RPI context in the HBA. It has the
806 * effect of performing an implicit N_Port/F_Port logout.
807 *
808 * This routine prepares the mailbox command for unregistering remote port
809 * login.
810 *
811 * For SLI4 ports, the rpi passed to this function must be the physical
812 * rpi value, not the logical index.
813 **/
814void
815lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi,
816		 LPFC_MBOXQ_t * pmb)
817{
818	MAILBOX_t *mb;
819
820	mb = &pmb->u.mb;
821	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
822
823	mb->un.varUnregLogin.rpi = rpi;
824	mb->un.varUnregLogin.rsvd1 = 0;
825	if (phba->sli_rev >= LPFC_SLI_REV3)
826		mb->un.varUnregLogin.vpi = phba->vpi_ids[vpi];
827
828	mb->mbxCommand = MBX_UNREG_LOGIN;
829	mb->mbxOwner = OWN_HOST;
830
831	return;
832}
833
834/**
835 * lpfc_sli4_unreg_all_rpis - unregister all RPIs for a vport on SLI4 HBA.
836 * @vport: pointer to a vport object.
837 *
838 * This routine sends mailbox command to unregister all active RPIs for
839 * a vport.
840 **/
841void
842lpfc_sli4_unreg_all_rpis(struct lpfc_vport *vport)
843{
844	struct lpfc_hba  *phba  = vport->phba;
845	LPFC_MBOXQ_t     *mbox;
846	int rc;
847
848	mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
849	if (mbox) {
850		/*
851		 * For SLI4 functions, the rpi field is overloaded for
852		 * the vport context unreg all.  This routine passes
853		 * 0 for the rpi field in lpfc_unreg_login for compatibility
854		 * with SLI3 and then overrides the rpi field with the
855		 * expected value for SLI4.
856		 */
857		lpfc_unreg_login(phba, vport->vpi, phba->vpi_ids[vport->vpi],
858				 mbox);
859		mbox->u.mb.un.varUnregLogin.rsvd1 = 0x4000;
860		mbox->vport = vport;
861		mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
862		mbox->ctx_ndlp = NULL;
863		rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
864		if (rc == MBX_NOT_FINISHED)
865			mempool_free(mbox, phba->mbox_mem_pool);
866	}
867}
868
869/**
870 * lpfc_reg_vpi - Prepare a mailbox command for registering vport identifier
871 * @vport: pointer to a vport object.
872 * @pmb: pointer to the driver internal queue element for mailbox command.
873 *
874 * The registration vport identifier mailbox command is used to activate a
875 * virtual N_Port after it has acquired an N_Port_ID. The HBA validates the
876 * N_Port_ID against the information in the selected virtual N_Port context
877 * block and marks it active to allow normal processing of IOCB commands and
878 * received unsolicited exchanges.
879 *
880 * This routine prepares the mailbox command for registering a virtual N_Port.
881 **/
882void
883lpfc_reg_vpi(struct lpfc_vport *vport, LPFC_MBOXQ_t *pmb)
884{
885	MAILBOX_t *mb = &pmb->u.mb;
886	struct lpfc_hba *phba = vport->phba;
887
888	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
889	/*
890	 * Set the re-reg VPI bit for f/w to update the MAC address.
891	 */
892	if ((phba->sli_rev == LPFC_SLI_REV4) &&
893		!(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI))
894		mb->un.varRegVpi.upd = 1;
895
896	mb->un.varRegVpi.vpi = phba->vpi_ids[vport->vpi];
897	mb->un.varRegVpi.sid = vport->fc_myDID;
898	if (phba->sli_rev == LPFC_SLI_REV4)
899		mb->un.varRegVpi.vfi = phba->sli4_hba.vfi_ids[vport->vfi];
900	else
901		mb->un.varRegVpi.vfi = vport->vfi + vport->phba->vfi_base;
902	memcpy(mb->un.varRegVpi.wwn, &vport->fc_portname,
903	       sizeof(struct lpfc_name));
904	mb->un.varRegVpi.wwn[0] = cpu_to_le32(mb->un.varRegVpi.wwn[0]);
905	mb->un.varRegVpi.wwn[1] = cpu_to_le32(mb->un.varRegVpi.wwn[1]);
906
907	mb->mbxCommand = MBX_REG_VPI;
908	mb->mbxOwner = OWN_HOST;
909	return;
910
911}
912
913/**
914 * lpfc_unreg_vpi - Prepare a mailbox command for unregistering vport id
915 * @phba: pointer to lpfc hba data structure.
916 * @vpi: virtual N_Port identifier.
917 * @pmb: pointer to the driver internal queue element for mailbox command.
918 *
919 * The unregistration vport identifier mailbox command is used to inactivate
920 * a virtual N_Port. The driver must have logged out and unregistered all
921 * remote N_Ports to abort any activity on the virtual N_Port. The HBA will
922 * unregisters any default RPIs associated with the specified vpi, aborting
923 * any active exchanges. The HBA will post the mailbox response after making
924 * the virtual N_Port inactive.
925 *
926 * This routine prepares the mailbox command for unregistering a virtual
927 * N_Port.
928 **/
929void
930lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb)
931{
932	MAILBOX_t *mb = &pmb->u.mb;
933	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
934
935	if (phba->sli_rev == LPFC_SLI_REV3)
936		mb->un.varUnregVpi.vpi = phba->vpi_ids[vpi];
937	else if (phba->sli_rev >= LPFC_SLI_REV4)
938		mb->un.varUnregVpi.sli4_vpi = phba->vpi_ids[vpi];
939
940	mb->mbxCommand = MBX_UNREG_VPI;
941	mb->mbxOwner = OWN_HOST;
942	return;
943
944}
945
946/**
947 * lpfc_config_pcb_setup - Set up IOCB rings in the Port Control Block (PCB)
948 * @phba: pointer to lpfc hba data structure.
949 *
950 * This routine sets up and initializes the IOCB rings in the Port Control
951 * Block (PCB).
952 **/
953static void
954lpfc_config_pcb_setup(struct lpfc_hba * phba)
955{
956	struct lpfc_sli *psli = &phba->sli;
957	struct lpfc_sli_ring *pring;
958	PCB_t *pcbp = phba->pcb;
959	dma_addr_t pdma_addr;
960	uint32_t offset;
961	uint32_t iocbCnt = 0;
962	int i;
963
964	pcbp->maxRing = (psli->num_rings - 1);
965
966	for (i = 0; i < psli->num_rings; i++) {
967		pring = &psli->sli3_ring[i];
968
969		pring->sli.sli3.sizeCiocb =
970			phba->sli_rev == 3 ? SLI3_IOCB_CMD_SIZE :
971							SLI2_IOCB_CMD_SIZE;
972		pring->sli.sli3.sizeRiocb =
973			phba->sli_rev == 3 ? SLI3_IOCB_RSP_SIZE :
974							SLI2_IOCB_RSP_SIZE;
975		/* A ring MUST have both cmd and rsp entries defined to be
976		   valid */
977		if ((pring->sli.sli3.numCiocb == 0) ||
978			(pring->sli.sli3.numRiocb == 0)) {
979			pcbp->rdsc[i].cmdEntries = 0;
980			pcbp->rdsc[i].rspEntries = 0;
981			pcbp->rdsc[i].cmdAddrHigh = 0;
982			pcbp->rdsc[i].rspAddrHigh = 0;
983			pcbp->rdsc[i].cmdAddrLow = 0;
984			pcbp->rdsc[i].rspAddrLow = 0;
985			pring->sli.sli3.cmdringaddr = NULL;
986			pring->sli.sli3.rspringaddr = NULL;
987			continue;
988		}
989		/* Command ring setup for ring */
990		pring->sli.sli3.cmdringaddr = (void *)&phba->IOCBs[iocbCnt];
991		pcbp->rdsc[i].cmdEntries = pring->sli.sli3.numCiocb;
992
993		offset = (uint8_t *) &phba->IOCBs[iocbCnt] -
994			 (uint8_t *) phba->slim2p.virt;
995		pdma_addr = phba->slim2p.phys + offset;
996		pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr);
997		pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr);
998		iocbCnt += pring->sli.sli3.numCiocb;
999
1000		/* Response ring setup for ring */
1001		pring->sli.sli3.rspringaddr = (void *) &phba->IOCBs[iocbCnt];
1002
1003		pcbp->rdsc[i].rspEntries = pring->sli.sli3.numRiocb;
1004		offset = (uint8_t *)&phba->IOCBs[iocbCnt] -
1005			 (uint8_t *)phba->slim2p.virt;
1006		pdma_addr = phba->slim2p.phys + offset;
1007		pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr);
1008		pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr);
1009		iocbCnt += pring->sli.sli3.numRiocb;
1010	}
1011}
1012
1013/**
1014 * lpfc_read_rev - Prepare a mailbox command for reading HBA revision
1015 * @phba: pointer to lpfc hba data structure.
1016 * @pmb: pointer to the driver internal queue element for mailbox command.
1017 *
1018 * The read revision mailbox command is used to read the revision levels of
1019 * the HBA components. These components include hardware units, resident
1020 * firmware, and available firmware. HBAs that supports SLI-3 mode of
1021 * operation provide different response information depending on the version
1022 * requested by the driver.
1023 *
1024 * This routine prepares the mailbox command for reading HBA revision
1025 * information.
1026 **/
1027void
1028lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
1029{
1030	MAILBOX_t *mb = &pmb->u.mb;
1031	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
1032	mb->un.varRdRev.cv = 1;
1033	mb->un.varRdRev.v3req = 1; /* Request SLI3 info */
1034	mb->mbxCommand = MBX_READ_REV;
1035	mb->mbxOwner = OWN_HOST;
1036	return;
1037}
1038
1039void
1040lpfc_sli4_swap_str(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
1041{
1042	MAILBOX_t *mb = &pmb->u.mb;
1043	struct lpfc_mqe *mqe;
1044
1045	switch (mb->mbxCommand) {
1046	case  MBX_READ_REV:
1047		 mqe = &pmb->u.mqe;
1048		lpfc_sli_pcimem_bcopy(mqe->un.read_rev.fw_name,
1049				 mqe->un.read_rev.fw_name, 16);
1050		lpfc_sli_pcimem_bcopy(mqe->un.read_rev.ulp_fw_name,
1051				 mqe->un.read_rev.ulp_fw_name, 16);
1052		break;
1053	default:
1054		break;
1055	}
1056	return;
1057}
1058
1059/**
1060 * lpfc_build_hbq_profile2 - Set up the HBQ Selection Profile 2
1061 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
1062 * @hbq_desc: pointer to the HBQ selection profile descriptor.
1063 *
1064 * The Host Buffer Queue (HBQ) Selection Profile 2 specifies that the HBA
1065 * tests the incoming frames' R_CTL/TYPE fields with works 10:15 and performs
1066 * the Sequence Length Test using the fields in the Selection Profile 2
1067 * extension in words 20:31.
1068 **/
1069static void
1070lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb,
1071			struct lpfc_hbq_init  *hbq_desc)
1072{
1073	hbqmb->profiles.profile2.seqlenbcnt = hbq_desc->seqlenbcnt;
1074	hbqmb->profiles.profile2.maxlen     = hbq_desc->maxlen;
1075	hbqmb->profiles.profile2.seqlenoff  = hbq_desc->seqlenoff;
1076}
1077
1078/**
1079 * lpfc_build_hbq_profile3 - Set up the HBQ Selection Profile 3
1080 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
1081 * @hbq_desc: pointer to the HBQ selection profile descriptor.
1082 *
1083 * The Host Buffer Queue (HBQ) Selection Profile 3 specifies that the HBA
1084 * tests the incoming frame's R_CTL/TYPE fields with words 10:15 and performs
1085 * the Sequence Length Test and Byte Field Test using the fields in the
1086 * Selection Profile 3 extension in words 20:31.
1087 **/
1088static void
1089lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb,
1090			struct lpfc_hbq_init  *hbq_desc)
1091{
1092	hbqmb->profiles.profile3.seqlenbcnt = hbq_desc->seqlenbcnt;
1093	hbqmb->profiles.profile3.maxlen     = hbq_desc->maxlen;
1094	hbqmb->profiles.profile3.cmdcodeoff = hbq_desc->cmdcodeoff;
1095	hbqmb->profiles.profile3.seqlenoff  = hbq_desc->seqlenoff;
1096	memcpy(&hbqmb->profiles.profile3.cmdmatch, hbq_desc->cmdmatch,
1097	       sizeof(hbqmb->profiles.profile3.cmdmatch));
1098}
1099
1100/**
1101 * lpfc_build_hbq_profile5 - Set up the HBQ Selection Profile 5
1102 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
1103 * @hbq_desc: pointer to the HBQ selection profile descriptor.
1104 *
1105 * The Host Buffer Queue (HBQ) Selection Profile 5 specifies a header HBQ. The
1106 * HBA tests the initial frame of an incoming sequence using the frame's
1107 * R_CTL/TYPE fields with words 10:15 and performs the Sequence Length Test
1108 * and Byte Field Test using the fields in the Selection Profile 5 extension
1109 * words 20:31.
1110 **/
1111static void
1112lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb,
1113			struct lpfc_hbq_init  *hbq_desc)
1114{
1115	hbqmb->profiles.profile5.seqlenbcnt = hbq_desc->seqlenbcnt;
1116	hbqmb->profiles.profile5.maxlen     = hbq_desc->maxlen;
1117	hbqmb->profiles.profile5.cmdcodeoff = hbq_desc->cmdcodeoff;
1118	hbqmb->profiles.profile5.seqlenoff  = hbq_desc->seqlenoff;
1119	memcpy(&hbqmb->profiles.profile5.cmdmatch, hbq_desc->cmdmatch,
1120	       sizeof(hbqmb->profiles.profile5.cmdmatch));
1121}
1122
1123/**
1124 * lpfc_config_hbq - Prepare a mailbox command for configuring an HBQ
1125 * @phba: pointer to lpfc hba data structure.
1126 * @id: HBQ identifier.
1127 * @hbq_desc: pointer to the HBA descriptor data structure.
1128 * @hbq_entry_index: index of the HBQ entry data structures.
1129 * @pmb: pointer to the driver internal queue element for mailbox command.
1130 *
1131 * The configure HBQ (Host Buffer Queue) mailbox command is used to configure
1132 * an HBQ. The configuration binds events that require buffers to a particular
1133 * ring and HBQ based on a selection profile.
1134 *
1135 * This routine prepares the mailbox command for configuring an HBQ.
1136 **/
1137void
1138lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id,
1139		 struct lpfc_hbq_init *hbq_desc,
1140		uint32_t hbq_entry_index, LPFC_MBOXQ_t *pmb)
1141{
1142	int i;
1143	MAILBOX_t *mb = &pmb->u.mb;
1144	struct config_hbq_var *hbqmb = &mb->un.varCfgHbq;
1145
1146	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
1147	hbqmb->hbqId = id;
1148	hbqmb->entry_count = hbq_desc->entry_count;   /* # entries in HBQ */
1149	hbqmb->recvNotify = hbq_desc->rn;             /* Receive
1150						       * Notification */
1151	hbqmb->numMask    = hbq_desc->mask_count;     /* # R_CTL/TYPE masks
1152						       * # in words 0-19 */
1153	hbqmb->profile    = hbq_desc->profile;	      /* Selection profile:
1154						       * 0 = all,
1155						       * 7 = logentry */
1156	hbqmb->ringMask   = hbq_desc->ring_mask;      /* Binds HBQ to a ring
1157						       * e.g. Ring0=b0001,
1158						       * ring2=b0100 */
1159	hbqmb->headerLen  = hbq_desc->headerLen;      /* 0 if not profile 4
1160						       * or 5 */
1161	hbqmb->logEntry   = hbq_desc->logEntry;       /* Set to 1 if this
1162						       * HBQ will be used
1163						       * for LogEntry
1164						       * buffers */
1165	hbqmb->hbqaddrLow = putPaddrLow(phba->hbqslimp.phys) +
1166		hbq_entry_index * sizeof(struct lpfc_hbq_entry);
1167	hbqmb->hbqaddrHigh = putPaddrHigh(phba->hbqslimp.phys);
1168
1169	mb->mbxCommand = MBX_CONFIG_HBQ;
1170	mb->mbxOwner = OWN_HOST;
1171
1172				/* Copy info for profiles 2,3,5. Other
1173				 * profiles this area is reserved
1174				 */
1175	if (hbq_desc->profile == 2)
1176		lpfc_build_hbq_profile2(hbqmb, hbq_desc);
1177	else if (hbq_desc->profile == 3)
1178		lpfc_build_hbq_profile3(hbqmb, hbq_desc);
1179	else if (hbq_desc->profile == 5)
1180		lpfc_build_hbq_profile5(hbqmb, hbq_desc);
1181
1182	/* Return if no rctl / type masks for this HBQ */
1183	if (!hbq_desc->mask_count)
1184		return;
1185
1186	/* Otherwise we setup specific rctl / type masks for this HBQ */
1187	for (i = 0; i < hbq_desc->mask_count; i++) {
1188		hbqmb->hbqMasks[i].tmatch = hbq_desc->hbqMasks[i].tmatch;
1189		hbqmb->hbqMasks[i].tmask  = hbq_desc->hbqMasks[i].tmask;
1190		hbqmb->hbqMasks[i].rctlmatch = hbq_desc->hbqMasks[i].rctlmatch;
1191		hbqmb->hbqMasks[i].rctlmask  = hbq_desc->hbqMasks[i].rctlmask;
1192	}
1193
1194	return;
1195}
1196
1197/**
1198 * lpfc_config_ring - Prepare a mailbox command for configuring an IOCB ring
1199 * @phba: pointer to lpfc hba data structure.
1200 * @ring: ring number/index
1201 * @pmb: pointer to the driver internal queue element for mailbox command.
1202 *
1203 * The configure ring mailbox command is used to configure an IOCB ring. This
1204 * configuration binds from one to six of HBA RC_CTL/TYPE mask entries to the
1205 * ring. This is used to map incoming sequences to a particular ring whose
1206 * RC_CTL/TYPE mask entry matches that of the sequence. The driver should not
1207 * attempt to configure a ring whose number is greater than the number
1208 * specified in the Port Control Block (PCB). It is an error to issue the
1209 * configure ring command more than once with the same ring number. The HBA
1210 * returns an error if the driver attempts this.
1211 *
1212 * This routine prepares the mailbox command for configuring IOCB ring.
1213 **/
1214void
1215lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb)
1216{
1217	int i;
1218	MAILBOX_t *mb = &pmb->u.mb;
1219	struct lpfc_sli *psli;
1220	struct lpfc_sli_ring *pring;
1221
1222	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
1223
1224	mb->un.varCfgRing.ring = ring;
1225	mb->un.varCfgRing.maxOrigXchg = 0;
1226	mb->un.varCfgRing.maxRespXchg = 0;
1227	mb->un.varCfgRing.recvNotify = 1;
1228
1229	psli = &phba->sli;
1230	pring = &psli->sli3_ring[ring];
1231	mb->un.varCfgRing.numMask = pring->num_mask;
1232	mb->mbxCommand = MBX_CONFIG_RING;
1233	mb->mbxOwner = OWN_HOST;
1234
1235	/* Is this ring configured for a specific profile */
1236	if (pring->prt[0].profile) {
1237		mb->un.varCfgRing.profile = pring->prt[0].profile;
1238		return;
1239	}
1240
1241	/* Otherwise we setup specific rctl / type masks for this ring */
1242	for (i = 0; i < pring->num_mask; i++) {
1243		mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl;
1244		if (mb->un.varCfgRing.rrRegs[i].rval != FC_RCTL_ELS_REQ)
1245			mb->un.varCfgRing.rrRegs[i].rmask = 0xff;
1246		else
1247			mb->un.varCfgRing.rrRegs[i].rmask = 0xfe;
1248		mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type;
1249		mb->un.varCfgRing.rrRegs[i].tmask = 0xff;
1250	}
1251
1252	return;
1253}
1254
1255/**
1256 * lpfc_config_port - Prepare a mailbox command for configuring port
1257 * @phba: pointer to lpfc hba data structure.
1258 * @pmb: pointer to the driver internal queue element for mailbox command.
1259 *
1260 * The configure port mailbox command is used to identify the Port Control
1261 * Block (PCB) in the driver memory. After this command is issued, the
1262 * driver must not access the mailbox in the HBA without first resetting
1263 * the HBA. The HBA may copy the PCB information to internal storage for
1264 * subsequent use; the driver can not change the PCB information unless it
1265 * resets the HBA.
1266 *
1267 * This routine prepares the mailbox command for configuring port.
1268 **/
1269void
1270lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
1271{
1272	MAILBOX_t __iomem *mb_slim = (MAILBOX_t __iomem *) phba->MBslimaddr;
1273	MAILBOX_t *mb = &pmb->u.mb;
1274	dma_addr_t pdma_addr;
1275	uint32_t bar_low, bar_high;
1276	size_t offset;
1277	struct lpfc_hgp hgp;
1278	int i;
1279	uint32_t pgp_offset;
1280
1281	memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
1282	mb->mbxCommand = MBX_CONFIG_PORT;
1283	mb->mbxOwner = OWN_HOST;
1284
1285	mb->un.varCfgPort.pcbLen = sizeof(PCB_t);
1286
1287	offset = (uint8_t *)phba->pcb - (uint8_t *)phba->slim2p.virt;
1288	pdma_addr = phba->slim2p.phys + offset;
1289	mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr);
1290	mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr);
1291
1292	/* Always Host Group Pointer is in SLIM */
1293	mb->un.varCfgPort.hps = 1;
1294
1295	/* If HBA supports SLI=3 ask for it */
1296
1297	if (phba->sli_rev == LPFC_SLI_REV3 && phba->vpd.sli3Feat.cerbm) {
1298		if (phba->cfg_enable_bg)
1299			mb->un.varCfgPort.cbg = 1; /* configure BlockGuard */
1300		mb->un.varCfgPort.cerbm = 1; /* Request HBQs */
1301		mb->un.varCfgPort.ccrp = 1; /* Command Ring Polling */
1302		mb->un.varCfgPort.max_hbq = lpfc_sli_hbq_count();
1303		if (phba->max_vpi && phba->cfg_enable_npiv &&
1304		    phba->vpd.sli3Feat.cmv) {
1305			mb->un.varCfgPort.max_vpi = LPFC_MAX_VPI;
1306			mb->un.varCfgPort.cmv = 1;
1307		} else
1308			mb->un.varCfgPort.max_vpi = phba->max_vpi = 0;
1309	} else
1310		phba->sli_rev = LPFC_SLI_REV2;
1311	mb->un.varCfgPort.sli_mode = phba->sli_rev;
1312
1313	/* If this is an SLI3 port, configure async status notification. */
1314	if (phba->sli_rev == LPFC_SLI_REV3)
1315		mb->un.varCfgPort.casabt = 1;
1316
1317	/* Now setup pcb */
1318	phba->pcb->type = TYPE_NATIVE_SLI2;
1319	phba->pcb->feature = FEATURE_INITIAL_SLI2;
1320
1321	/* Setup Mailbox pointers */
1322	phba->pcb->mailBoxSize = sizeof(MAILBOX_t) + MAILBOX_EXT_SIZE;
1323	offset = (uint8_t *)phba->mbox - (uint8_t *)phba->slim2p.virt;
1324	pdma_addr = phba->slim2p.phys + offset;
1325	phba->pcb->mbAddrHigh = putPaddrHigh(pdma_addr);
1326	phba->pcb->mbAddrLow = putPaddrLow(pdma_addr);
1327
1328	/*
1329	 * Setup Host Group ring pointer.
1330	 *
1331	 * For efficiency reasons, the ring get/put pointers can be
1332	 * placed in adapter memory (SLIM) rather than in host memory.
1333	 * This allows firmware to avoid PCI reads/writes when updating
1334	 * and checking pointers.
1335	 *
1336	 * The firmware recognizes the use of SLIM memory by comparing
1337	 * the address of the get/put pointers structure with that of
1338	 * the SLIM BAR (BAR0).
1339	 *
1340	 * Caution: be sure to use the PCI config space value of BAR0/BAR1
1341	 * (the hardware's view of the base address), not the OS's
1342	 * value of pci_resource_start() as the OS value may be a cookie
1343	 * for ioremap/iomap.
1344	 */
1345
1346
1347	pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low);
1348	pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high);
1349
1350	/*
1351	 * Set up HGP - Port Memory
1352	 *
1353	 * The port expects the host get/put pointers to reside in memory
1354	 * following the "non-diagnostic" mode mailbox (32 words, 0x80 bytes)
1355	 * area of SLIM.  In SLI-2 mode, there's an additional 16 reserved
1356	 * words (0x40 bytes).  This area is not reserved if HBQs are
1357	 * configured in SLI-3.
1358	 *
1359	 * CR0Put    - SLI2(no HBQs) = 0xc0, With HBQs = 0x80
1360	 * RR0Get                      0xc4              0x84
1361	 * CR1Put                      0xc8              0x88
1362	 * RR1Get                      0xcc              0x8c
1363	 * CR2Put                      0xd0              0x90
1364	 * RR2Get                      0xd4              0x94
1365	 * CR3Put                      0xd8              0x98
1366	 * RR3Get                      0xdc              0x9c
1367	 *
1368	 * Reserved                    0xa0-0xbf
1369	 *    If HBQs configured:
1370	 *                         HBQ 0 Put ptr  0xc0
1371	 *                         HBQ 1 Put ptr  0xc4
1372	 *                         HBQ 2 Put ptr  0xc8
1373	 *                         ......
1374	 *                         HBQ(M-1)Put Pointer 0xc0+(M-1)*4
1375	 *
1376	 */
1377
1378	if (phba->cfg_hostmem_hgp && phba->sli_rev != 3) {
1379		phba->host_gp = (struct lpfc_hgp __iomem *)
1380				 &phba->mbox->us.s2.host[0];
1381		phba->hbq_put = NULL;
1382		offset = (uint8_t *)&phba->mbox->us.s2.host -
1383			(uint8_t *)phba->slim2p.virt;
1384		pdma_addr = phba->slim2p.phys + offset;
1385		phba->pcb->hgpAddrHigh = putPaddrHigh(pdma_addr);
1386		phba->pcb->hgpAddrLow = putPaddrLow(pdma_addr);
1387	} else {
1388		/* Always Host Group Pointer is in SLIM */
1389		mb->un.varCfgPort.hps = 1;
1390
1391		if (phba->sli_rev == 3) {
1392			phba->host_gp = &mb_slim->us.s3.host[0];
1393			phba->hbq_put = &mb_slim->us.s3.hbq_put[0];
1394		} else {
1395			phba->host_gp = &mb_slim->us.s2.host[0];
1396			phba->hbq_put = NULL;
1397		}
1398
1399		/* mask off BAR0's flag bits 0 - 3 */
1400		phba->pcb->hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
1401			(void __iomem *)phba->host_gp -
1402			(void __iomem *)phba->MBslimaddr;
1403		if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64)
1404			phba->pcb->hgpAddrHigh = bar_high;
1405		else
1406			phba->pcb->hgpAddrHigh = 0;
1407		/* write HGP data to SLIM at the required longword offset */
1408		memset(&hgp, 0, sizeof(struct lpfc_hgp));
1409
1410		for (i = 0; i < phba->sli.num_rings; i++) {
1411			lpfc_memcpy_to_slim(phba->host_gp + i, &hgp,
1412				    sizeof(*phba->host_gp));
1413		}
1414	}
1415
1416	/* Setup Port Group offset */
1417	if (phba->sli_rev == 3)
1418		pgp_offset = offsetof(struct lpfc_sli2_slim,
1419				      mbx.us.s3_pgp.port);
1420	else
1421		pgp_offset = offsetof(struct lpfc_sli2_slim, mbx.us.s2.port);
1422	pdma_addr = phba->slim2p.phys + pgp_offset;
1423	phba->pcb->pgpAddrHigh = putPaddrHigh(pdma_addr);
1424	phba->pcb->pgpAddrLow = putPaddrLow(pdma_addr);
1425
1426	/* Use callback routine to setp rings in the pcb */
1427	lpfc_config_pcb_setup(phba);
1428
1429	/* special handling for LC HBAs */
1430	if (lpfc_is_LC_HBA(phba->pcidev->device)) {
1431		uint32_t hbainit[5];
1432
1433		lpfc_hba_init(phba, hbainit);
1434
1435		memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20);
1436	}
1437
1438	/* Swap PCB if needed */
1439	lpfc_sli_pcimem_bcopy(phba->pcb, phba->pcb, sizeof(PCB_t));
1440}
1441
1442/**
1443 * lpfc_kill_board - Prepare a mailbox command for killing board
1444 * @phba: pointer to lpfc hba data structure.
1445 * @pmb: pointer to the driver internal queue element for mailbox command.
1446 *
1447 * The kill board mailbox command is used to tell firmware to perform a
1448 * graceful shutdown of a channel on a specified board to prepare for reset.
1449 * When the kill board mailbox command is received, the ER3 bit is set to 1
1450 * in the Host Status register and the ER Attention bit is set to 1 in the
1451 * Host Attention register of the HBA function that received the kill board
1452 * command.
1453 *
1454 * This routine prepares the mailbox command for killing the board in
1455 * preparation for a graceful shutdown.
1456 **/
1457void
1458lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
1459{
1460	MAILBOX_t *mb = &pmb->u.mb;
1461
1462	memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
1463	mb->mbxCommand = MBX_KILL_BOARD;
1464	mb->mbxOwner = OWN_HOST;
1465	return;
1466}
1467
1468/**
1469 * lpfc_mbox_put - Put a mailbox cmd into the tail of driver's mailbox queue
1470 * @phba: pointer to lpfc hba data structure.
1471 * @mbq: pointer to the driver internal queue element for mailbox command.
1472 *
1473 * Driver maintains a internal mailbox command queue implemented as a linked
1474 * list. When a mailbox command is issued, it shall be put into the mailbox
1475 * command queue such that they shall be processed orderly as HBA can process
1476 * one mailbox command at a time.
1477 **/
1478void
1479lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
1480{
1481	struct lpfc_sli *psli;
1482
1483	psli = &phba->sli;
1484
1485	list_add_tail(&mbq->list, &psli->mboxq);
1486
1487	psli->mboxq_cnt++;
1488
1489	return;
1490}
1491
1492/**
1493 * lpfc_mbox_get - Remove a mailbox cmd from the head of driver's mailbox queue
1494 * @phba: pointer to lpfc hba data structure.
1495 *
1496 * Driver maintains a internal mailbox command queue implemented as a linked
1497 * list. When a mailbox command is issued, it shall be put into the mailbox
1498 * command queue such that they shall be processed orderly as HBA can process
1499 * one mailbox command at a time. After HBA finished processing a mailbox
1500 * command, the driver will remove a pending mailbox command from the head of
1501 * the mailbox command queue and send to the HBA for processing.
1502 *
1503 * Return codes
1504 *    pointer to the driver internal queue element for mailbox command.
1505 **/
1506LPFC_MBOXQ_t *
1507lpfc_mbox_get(struct lpfc_hba * phba)
1508{
1509	LPFC_MBOXQ_t *mbq = NULL;
1510	struct lpfc_sli *psli = &phba->sli;
1511
1512	list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t, list);
1513	if (mbq)
1514		psli->mboxq_cnt--;
1515
1516	return mbq;
1517}
1518
1519/**
1520 * __lpfc_mbox_cmpl_put - Put mailbox cmd into mailbox cmd complete list
1521 * @phba: pointer to lpfc hba data structure.
1522 * @mbq: pointer to the driver internal queue element for mailbox command.
1523 *
1524 * This routine put the completed mailbox command into the mailbox command
1525 * complete list. This is the unlocked version of the routine. The mailbox
1526 * complete list is used by the driver worker thread to process mailbox
1527 * complete callback functions outside the driver interrupt handler.
1528 **/
1529void
1530__lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq)
1531{
1532	list_add_tail(&mbq->list, &phba->sli.mboxq_cmpl);
1533}
1534
1535/**
1536 * lpfc_mbox_cmpl_put - Put mailbox command into mailbox command complete list
1537 * @phba: pointer to lpfc hba data structure.
1538 * @mbq: pointer to the driver internal queue element for mailbox command.
1539 *
1540 * This routine put the completed mailbox command into the mailbox command
1541 * complete list. This is the locked version of the routine. The mailbox
1542 * complete list is used by the driver worker thread to process mailbox
1543 * complete callback functions outside the driver interrupt handler.
1544 **/
1545void
1546lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq)
1547{
1548	unsigned long iflag;
1549
1550	/* This function expects to be called from interrupt context */
1551	spin_lock_irqsave(&phba->hbalock, iflag);
1552	__lpfc_mbox_cmpl_put(phba, mbq);
1553	spin_unlock_irqrestore(&phba->hbalock, iflag);
1554	return;
1555}
1556
1557/**
1558 * lpfc_mbox_cmd_check - Check the validality of a mailbox command
1559 * @phba: pointer to lpfc hba data structure.
1560 * @mboxq: pointer to the driver internal queue element for mailbox command.
1561 *
1562 * This routine is to check whether a mailbox command is valid to be issued.
1563 * This check will be performed by both the mailbox issue API when a client
1564 * is to issue a mailbox command to the mailbox transport.
1565 *
1566 * Return 0 - pass the check, -ENODEV - fail the check
1567 **/
1568int
1569lpfc_mbox_cmd_check(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
1570{
1571	/* Mailbox command that have a completion handler must also have a
1572	 * vport specified.
1573	 */
1574	if (mboxq->mbox_cmpl && mboxq->mbox_cmpl != lpfc_sli_def_mbox_cmpl &&
1575	    mboxq->mbox_cmpl != lpfc_sli_wake_mbox_wait) {
1576		if (!mboxq->vport) {
1577			lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_VPORT,
1578					"1814 Mbox x%x failed, no vport\n",
1579					mboxq->u.mb.mbxCommand);
1580			dump_stack();
1581			return -ENODEV;
1582		}
1583	}
1584	return 0;
1585}
1586
1587/**
1588 * lpfc_mbox_dev_check - Check the device state for issuing a mailbox command
1589 * @phba: pointer to lpfc hba data structure.
1590 *
1591 * This routine is to check whether the HBA device is ready for posting a
1592 * mailbox command. It is used by the mailbox transport API at the time the
1593 * to post a mailbox command to the device.
1594 *
1595 * Return 0 - pass the check, -ENODEV - fail the check
1596 **/
1597int
1598lpfc_mbox_dev_check(struct lpfc_hba *phba)
1599{
1600	/* If the PCI channel is in offline state, do not issue mbox */
1601	if (unlikely(pci_channel_offline(phba->pcidev)))
1602		return -ENODEV;
1603
1604	/* If the HBA is in error state, do not issue mbox */
1605	if (phba->link_state == LPFC_HBA_ERROR)
1606		return -ENODEV;
1607
1608	return 0;
1609}
1610
1611/**
1612 * lpfc_mbox_tmo_val - Retrieve mailbox command timeout value
1613 * @phba: pointer to lpfc hba data structure.
1614 * @mboxq: pointer to the driver internal queue element for mailbox command.
1615 *
1616 * This routine retrieves the proper timeout value according to the mailbox
1617 * command code.
1618 *
1619 * Return codes
1620 *    Timeout value to be used for the given mailbox command
1621 **/
1622int
1623lpfc_mbox_tmo_val(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
1624{
1625	MAILBOX_t *mbox = &mboxq->u.mb;
1626	uint8_t subsys, opcode;
1627
1628	switch (mbox->mbxCommand) {
1629	case MBX_WRITE_NV:	/* 0x03 */
1630	case MBX_DUMP_MEMORY:	/* 0x17 */
1631	case MBX_UPDATE_CFG:	/* 0x1B */
1632	case MBX_DOWN_LOAD:	/* 0x1C */
1633	case MBX_DEL_LD_ENTRY:	/* 0x1D */
1634	case MBX_WRITE_VPARMS:	/* 0x32 */
1635	case MBX_LOAD_AREA:	/* 0x81 */
1636	case MBX_WRITE_WWN:     /* 0x98 */
1637	case MBX_LOAD_EXP_ROM:	/* 0x9C */
1638	case MBX_ACCESS_VDATA:	/* 0xA5 */
1639		return LPFC_MBOX_TMO_FLASH_CMD;
1640	case MBX_SLI4_CONFIG:	/* 0x9b */
1641		subsys = lpfc_sli_config_mbox_subsys_get(phba, mboxq);
1642		opcode = lpfc_sli_config_mbox_opcode_get(phba, mboxq);
1643		if (subsys == LPFC_MBOX_SUBSYSTEM_COMMON) {
1644			switch (opcode) {
1645			case LPFC_MBOX_OPCODE_READ_OBJECT:
1646			case LPFC_MBOX_OPCODE_WRITE_OBJECT:
1647			case LPFC_MBOX_OPCODE_READ_OBJECT_LIST:
1648			case LPFC_MBOX_OPCODE_DELETE_OBJECT:
1649			case LPFC_MBOX_OPCODE_GET_PROFILE_LIST:
1650			case LPFC_MBOX_OPCODE_SET_ACT_PROFILE:
1651			case LPFC_MBOX_OPCODE_GET_PROFILE_CONFIG:
1652			case LPFC_MBOX_OPCODE_SET_PROFILE_CONFIG:
1653			case LPFC_MBOX_OPCODE_GET_FACTORY_PROFILE_CONFIG:
1654			case LPFC_MBOX_OPCODE_GET_PROFILE_CAPACITIES:
1655			case LPFC_MBOX_OPCODE_SEND_ACTIVATION:
1656			case LPFC_MBOX_OPCODE_RESET_LICENSES:
1657			case LPFC_MBOX_OPCODE_SET_BOOT_CONFIG:
1658			case LPFC_MBOX_OPCODE_GET_VPD_DATA:
1659			case LPFC_MBOX_OPCODE_SET_PHYSICAL_LINK_CONFIG:
1660				return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO;
1661			}
1662		}
1663		if (subsys == LPFC_MBOX_SUBSYSTEM_FCOE) {
1664			switch (opcode) {
1665			case LPFC_MBOX_OPCODE_FCOE_SET_FCLINK_SETTINGS:
1666				return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO;
1667			}
1668		}
1669		return LPFC_MBOX_SLI4_CONFIG_TMO;
1670	}
1671	return LPFC_MBOX_TMO;
1672}
1673
1674/**
1675 * lpfc_sli4_mbx_sge_set - Set a sge entry in non-embedded mailbox command
1676 * @mbox: pointer to lpfc mbox command.
1677 * @sgentry: sge entry index.
1678 * @phyaddr: physical address for the sge
1679 * @length: Length of the sge.
1680 *
1681 * This routine sets up an entry in the non-embedded mailbox command at the sge
1682 * index location.
1683 **/
1684void
1685lpfc_sli4_mbx_sge_set(struct lpfcMboxq *mbox, uint32_t sgentry,
1686		      dma_addr_t phyaddr, uint32_t length)
1687{
1688	struct lpfc_mbx_nembed_cmd *nembed_sge;
1689
1690	nembed_sge = (struct lpfc_mbx_nembed_cmd *)
1691				&mbox->u.mqe.un.nembed_cmd;
1692	nembed_sge->sge[sgentry].pa_lo = putPaddrLow(phyaddr);
1693	nembed_sge->sge[sgentry].pa_hi = putPaddrHigh(phyaddr);
1694	nembed_sge->sge[sgentry].length = length;
1695}
1696
1697/**
1698 * lpfc_sli4_mbx_sge_get - Get a sge entry from non-embedded mailbox command
1699 * @mbox: pointer to lpfc mbox command.
1700 * @sgentry: sge entry index.
1701 * @sge: pointer to lpfc mailbox sge to load into.
1702 *
1703 * This routine gets an entry from the non-embedded mailbox command at the sge
1704 * index location.
1705 **/
1706void
1707lpfc_sli4_mbx_sge_get(struct lpfcMboxq *mbox, uint32_t sgentry,
1708		      struct lpfc_mbx_sge *sge)
1709{
1710	struct lpfc_mbx_nembed_cmd *nembed_sge;
1711
1712	nembed_sge = (struct lpfc_mbx_nembed_cmd *)
1713				&mbox->u.mqe.un.nembed_cmd;
1714	sge->pa_lo = nembed_sge->sge[sgentry].pa_lo;
1715	sge->pa_hi = nembed_sge->sge[sgentry].pa_hi;
1716	sge->length = nembed_sge->sge[sgentry].length;
1717}
1718
1719/**
1720 * lpfc_sli4_mbox_cmd_free - Free a sli4 mailbox command
1721 * @phba: pointer to lpfc hba data structure.
1722 * @mbox: pointer to lpfc mbox command.
1723 *
1724 * This routine frees SLI4 specific mailbox command for sending IOCTL command.
1725 **/
1726void
1727lpfc_sli4_mbox_cmd_free(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
1728{
1729	struct lpfc_mbx_sli4_config *sli4_cfg;
1730	struct lpfc_mbx_sge sge;
1731	dma_addr_t phyaddr;
1732	uint32_t sgecount, sgentry;
1733
1734	sli4_cfg = &mbox->u.mqe.un.sli4_config;
1735
1736	/* For embedded mbox command, just free the mbox command */
1737	if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) {
1738		mempool_free(mbox, phba->mbox_mem_pool);
1739		return;
1740	}
1741
1742	/* For non-embedded mbox command, we need to free the pages first */
1743	sgecount = bf_get(lpfc_mbox_hdr_sge_cnt, &sli4_cfg->header.cfg_mhdr);
1744	/* There is nothing we can do if there is no sge address array */
1745	if (unlikely(!mbox->sge_array)) {
1746		mempool_free(mbox, phba->mbox_mem_pool);
1747		return;
1748	}
1749	/* Each non-embedded DMA memory was allocated in the length of a page */
1750	for (sgentry = 0; sgentry < sgecount; sgentry++) {
1751		lpfc_sli4_mbx_sge_get(mbox, sgentry, &sge);
1752		phyaddr = getPaddr(sge.pa_hi, sge.pa_lo);
1753		dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
1754				  mbox->sge_array->addr[sgentry], phyaddr);
1755	}
1756	/* Free the sge address array memory */
1757	kfree(mbox->sge_array);
1758	/* Finally, free the mailbox command itself */
1759	mempool_free(mbox, phba->mbox_mem_pool);
1760}
1761
1762/**
1763 * lpfc_sli4_config - Initialize the  SLI4 Config Mailbox command
1764 * @phba: pointer to lpfc hba data structure.
1765 * @mbox: pointer to lpfc mbox command.
1766 * @subsystem: The sli4 config sub mailbox subsystem.
1767 * @opcode: The sli4 config sub mailbox command opcode.
1768 * @length: Length of the sli4 config mailbox command (including sub-header).
1769 * @emb: True if embedded mbox command should be setup.
1770 *
1771 * This routine sets up the header fields of SLI4 specific mailbox command
1772 * for sending IOCTL command.
1773 *
1774 * Return: the actual length of the mbox command allocated (mostly useful
1775 *         for none embedded mailbox command).
1776 **/
1777int
1778lpfc_sli4_config(struct lpfc_hba *phba, struct lpfcMboxq *mbox,
1779		 uint8_t subsystem, uint8_t opcode, uint32_t length, bool emb)
1780{
1781	struct lpfc_mbx_sli4_config *sli4_config;
1782	union lpfc_sli4_cfg_shdr *cfg_shdr = NULL;
1783	uint32_t alloc_len;
1784	uint32_t resid_len;
1785	uint32_t pagen, pcount;
1786	void *viraddr;
1787	dma_addr_t phyaddr;
1788
1789	/* Set up SLI4 mailbox command header fields */
1790	memset(mbox, 0, sizeof(*mbox));
1791	bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_SLI4_CONFIG);
1792
1793	/* Set up SLI4 ioctl command header fields */
1794	sli4_config = &mbox->u.mqe.un.sli4_config;
1795
1796	/* Setup for the embedded mbox command */
1797	if (emb) {
1798		/* Set up main header fields */
1799		bf_set(lpfc_mbox_hdr_emb, &sli4_config->header.cfg_mhdr, 1);
1800		sli4_config->header.cfg_mhdr.payload_length = length;
1801		/* Set up sub-header fields following main header */
1802		bf_set(lpfc_mbox_hdr_opcode,
1803			&sli4_config->header.cfg_shdr.request, opcode);
1804		bf_set(lpfc_mbox_hdr_subsystem,
1805			&sli4_config->header.cfg_shdr.request, subsystem);
1806		sli4_config->header.cfg_shdr.request.request_length =
1807			length - LPFC_MBX_CMD_HDR_LENGTH;
1808		return length;
1809	}
1810
1811	/* Setup for the non-embedded mbox command */
1812	pcount = (SLI4_PAGE_ALIGN(length))/SLI4_PAGE_SIZE;
1813	pcount = (pcount > LPFC_SLI4_MBX_SGE_MAX_PAGES) ?
1814				LPFC_SLI4_MBX_SGE_MAX_PAGES : pcount;
1815	/* Allocate record for keeping SGE virtual addresses */
1816	mbox->sge_array = kzalloc(sizeof(struct lpfc_mbx_nembed_sge_virt),
1817				  GFP_KERNEL);
1818	if (!mbox->sge_array) {
1819		lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1820				"2527 Failed to allocate non-embedded SGE "
1821				"array.\n");
1822		return 0;
1823	}
1824	for (pagen = 0, alloc_len = 0; pagen < pcount; pagen++) {
1825		/* The DMA memory is always allocated in the length of a
1826		 * page even though the last SGE might not fill up to a
1827		 * page, this is used as a priori size of SLI4_PAGE_SIZE for
1828		 * the later DMA memory free.
1829		 */
1830		viraddr = dma_alloc_coherent(&phba->pcidev->dev,
1831					     SLI4_PAGE_SIZE, &phyaddr,
1832					     GFP_KERNEL);
1833		/* In case of malloc fails, proceed with whatever we have */
1834		if (!viraddr)
1835			break;
1836		mbox->sge_array->addr[pagen] = viraddr;
1837		/* Keep the first page for later sub-header construction */
1838		if (pagen == 0)
1839			cfg_shdr = (union lpfc_sli4_cfg_shdr *)viraddr;
1840		resid_len = length - alloc_len;
1841		if (resid_len > SLI4_PAGE_SIZE) {
1842			lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr,
1843					      SLI4_PAGE_SIZE);
1844			alloc_len += SLI4_PAGE_SIZE;
1845		} else {
1846			lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr,
1847					      resid_len);
1848			alloc_len = length;
1849		}
1850	}
1851
1852	/* Set up main header fields in mailbox command */
1853	sli4_config->header.cfg_mhdr.payload_length = alloc_len;
1854	bf_set(lpfc_mbox_hdr_sge_cnt, &sli4_config->header.cfg_mhdr, pagen);
1855
1856	/* Set up sub-header fields into the first page */
1857	if (pagen > 0) {
1858		bf_set(lpfc_mbox_hdr_opcode, &cfg_shdr->request, opcode);
1859		bf_set(lpfc_mbox_hdr_subsystem, &cfg_shdr->request, subsystem);
1860		cfg_shdr->request.request_length =
1861				alloc_len - sizeof(union  lpfc_sli4_cfg_shdr);
1862	}
1863	/* The sub-header is in DMA memory, which needs endian converstion */
1864	if (cfg_shdr)
1865		lpfc_sli_pcimem_bcopy(cfg_shdr, cfg_shdr,
1866				      sizeof(union  lpfc_sli4_cfg_shdr));
1867	return alloc_len;
1868}
1869
1870/**
1871 * lpfc_sli4_mbox_rsrc_extent - Initialize the opcode resource extent.
1872 * @phba: pointer to lpfc hba data structure.
1873 * @mbox: pointer to an allocated lpfc mbox resource.
1874 * @exts_count: the number of extents, if required, to allocate.
1875 * @rsrc_type: the resource extent type.
1876 * @emb: true if LPFC_SLI4_MBX_EMBED. false if LPFC_SLI4_MBX_NEMBED.
1877 *
1878 * This routine completes the subcommand header for SLI4 resource extent
1879 * mailbox commands.  It is called after lpfc_sli4_config.  The caller must
1880 * pass an allocated mailbox and the attributes required to initialize the
1881 * mailbox correctly.
1882 *
1883 * Return: the actual length of the mbox command allocated.
1884 **/
1885int
1886lpfc_sli4_mbox_rsrc_extent(struct lpfc_hba *phba, struct lpfcMboxq *mbox,
1887			   uint16_t exts_count, uint16_t rsrc_type, bool emb)
1888{
1889	uint8_t opcode = 0;
1890	struct lpfc_mbx_nembed_rsrc_extent *n_rsrc_extnt = NULL;
1891	void *virtaddr = NULL;
1892
1893	/* Set up SLI4 ioctl command header fields */
1894	if (emb == LPFC_SLI4_MBX_NEMBED) {
1895		/* Get the first SGE entry from the non-embedded DMA memory */
1896		virtaddr = mbox->sge_array->addr[0];
1897		if (virtaddr == NULL)
1898			return 1;
1899		n_rsrc_extnt = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr;
1900	}
1901
1902	/*
1903	 * The resource type is common to all extent Opcodes and resides in the
1904	 * same position.
1905	 */
1906	if (emb == LPFC_SLI4_MBX_EMBED)
1907		bf_set(lpfc_mbx_alloc_rsrc_extents_type,
1908		       &mbox->u.mqe.un.alloc_rsrc_extents.u.req,
1909		       rsrc_type);
1910	else {
1911		/* This is DMA data.  Byteswap is required. */
1912		bf_set(lpfc_mbx_alloc_rsrc_extents_type,
1913		       n_rsrc_extnt, rsrc_type);
1914		lpfc_sli_pcimem_bcopy(&n_rsrc_extnt->word4,
1915				      &n_rsrc_extnt->word4,
1916				      sizeof(uint32_t));
1917	}
1918
1919	/* Complete the initialization for the particular Opcode. */
1920	opcode = lpfc_sli_config_mbox_opcode_get(phba, mbox);
1921	switch (opcode) {
1922	case LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT:
1923		if (emb == LPFC_SLI4_MBX_EMBED)
1924			bf_set(lpfc_mbx_alloc_rsrc_extents_cnt,
1925			       &mbox->u.mqe.un.alloc_rsrc_extents.u.req,
1926			       exts_count);
1927		else
1928			bf_set(lpfc_mbx_alloc_rsrc_extents_cnt,
1929			       n_rsrc_extnt, exts_count);
1930		break;
1931	case LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT:
1932	case LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO:
1933	case LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT:
1934		/* Initialization is complete.*/
1935		break;
1936	default:
1937		lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1938				"2929 Resource Extent Opcode x%x is "
1939				"unsupported\n", opcode);
1940		return 1;
1941	}
1942
1943	return 0;
1944}
1945
1946/**
1947 * lpfc_sli_config_mbox_subsys_get - Get subsystem from a sli_config mbox cmd
1948 * @phba: pointer to lpfc hba data structure.
1949 * @mbox: pointer to lpfc mbox command queue entry.
1950 *
1951 * This routine gets the subsystem from a SLI4 specific SLI_CONFIG mailbox
1952 * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if the
1953 * sub-header is not present, subsystem LPFC_MBOX_SUBSYSTEM_NA (0x0) shall
1954 * be returned.
1955 **/
1956uint8_t
1957lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
1958{
1959	struct lpfc_mbx_sli4_config *sli4_cfg;
1960	union lpfc_sli4_cfg_shdr *cfg_shdr;
1961
1962	if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG)
1963		return LPFC_MBOX_SUBSYSTEM_NA;
1964	sli4_cfg = &mbox->u.mqe.un.sli4_config;
1965
1966	/* For embedded mbox command, get opcode from embedded sub-header*/
1967	if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) {
1968		cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr;
1969		return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request);
1970	}
1971
1972	/* For non-embedded mbox command, get opcode from first dma page */
1973	if (unlikely(!mbox->sge_array))
1974		return LPFC_MBOX_SUBSYSTEM_NA;
1975	cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0];
1976	return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request);
1977}
1978
1979/**
1980 * lpfc_sli_config_mbox_opcode_get - Get opcode from a sli_config mbox cmd
1981 * @phba: pointer to lpfc hba data structure.
1982 * @mbox: pointer to lpfc mbox command queue entry.
1983 *
1984 * This routine gets the opcode from a SLI4 specific SLI_CONFIG mailbox
1985 * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if
1986 * the sub-header is not present, opcode LPFC_MBOX_OPCODE_NA (0x0) be
1987 * returned.
1988 **/
1989uint8_t
1990lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
1991{
1992	struct lpfc_mbx_sli4_config *sli4_cfg;
1993	union lpfc_sli4_cfg_shdr *cfg_shdr;
1994
1995	if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG)
1996		return LPFC_MBOX_OPCODE_NA;
1997	sli4_cfg = &mbox->u.mqe.un.sli4_config;
1998
1999	/* For embedded mbox command, get opcode from embedded sub-header*/
2000	if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) {
2001		cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr;
2002		return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request);
2003	}
2004
2005	/* For non-embedded mbox command, get opcode from first dma page */
2006	if (unlikely(!mbox->sge_array))
2007		return LPFC_MBOX_OPCODE_NA;
2008	cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0];
2009	return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request);
2010}
2011
2012/**
2013 * lpfc_sli4_mbx_read_fcf_rec - Allocate and construct read fcf mbox cmd
2014 * @phba: pointer to lpfc hba data structure.
2015 * @mboxq: pointer to lpfc mbox command.
2016 * @fcf_index: index to fcf table.
2017 *
2018 * This routine routine allocates and constructs non-embedded mailbox command
2019 * for reading a FCF table entry referred by @fcf_index.
2020 *
2021 * Return: pointer to the mailbox command constructed if successful, otherwise
2022 * NULL.
2023 **/
2024int
2025lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *phba,
2026			   struct lpfcMboxq *mboxq,
2027			   uint16_t fcf_index)
2028{
2029	void *virt_addr;
2030	uint8_t *bytep;
2031	struct lpfc_mbx_sge sge;
2032	uint32_t alloc_len, req_len;
2033	struct lpfc_mbx_read_fcf_tbl *read_fcf;
2034
2035	if (!mboxq)
2036		return -ENOMEM;
2037
2038	req_len = sizeof(struct fcf_record) +
2039		  sizeof(union lpfc_sli4_cfg_shdr) + 2 * sizeof(uint32_t);
2040
2041	/* Set up READ_FCF SLI4_CONFIG mailbox-ioctl command */
2042	alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
2043			LPFC_MBOX_OPCODE_FCOE_READ_FCF_TABLE, req_len,
2044			LPFC_SLI4_MBX_NEMBED);
2045
2046	if (alloc_len < req_len) {
2047		lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
2048				"0291 Allocated DMA memory size (x%x) is "
2049				"less than the requested DMA memory "
2050				"size (x%x)\n", alloc_len, req_len);
2051		return -ENOMEM;
2052	}
2053
2054	/* Get the first SGE entry from the non-embedded DMA memory. This
2055	 * routine only uses a single SGE.
2056	 */
2057	lpfc_sli4_mbx_sge_get(mboxq, 0, &sge);
2058	virt_addr = mboxq->sge_array->addr[0];
2059	read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr;
2060
2061	/* Set up command fields */
2062	bf_set(lpfc_mbx_read_fcf_tbl_indx, &read_fcf->u.request, fcf_index);
2063	/* Perform necessary endian conversion */
2064	bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr);
2065	lpfc_sli_pcimem_bcopy(bytep, bytep, sizeof(uint32_t));
2066
2067	return 0;
2068}
2069
2070/**
2071 * lpfc_request_features: Configure SLI4 REQUEST_FEATURES mailbox
2072 * @phba: pointer to lpfc hba data structure.
2073 * @mboxq: pointer to lpfc mbox command.
2074 *
2075 * This routine sets up the mailbox for an SLI4 REQUEST_FEATURES
2076 * mailbox command.
2077 **/
2078void
2079lpfc_request_features(struct lpfc_hba *phba, struct lpfcMboxq *mboxq)
2080{
2081	/* Set up SLI4 mailbox command header fields */
2082	memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
2083	bf_set(lpfc_mqe_command, &mboxq->u.mqe, MBX_SLI4_REQ_FTRS);
2084
2085	/* Set up host requested features. */
2086	bf_set(lpfc_mbx_rq_ftr_rq_fcpi, &mboxq->u.mqe.un.req_ftrs, 1);
2087	bf_set(lpfc_mbx_rq_ftr_rq_perfh, &mboxq->u.mqe.un.req_ftrs, 1);
2088
2089	/* Enable DIF (block guard) only if configured to do so. */
2090	if (phba->cfg_enable_bg)
2091		bf_set(lpfc_mbx_rq_ftr_rq_dif, &mboxq->u.mqe.un.req_ftrs, 1);
2092
2093	/* Enable NPIV only if configured to do so. */
2094	if (phba->max_vpi && phba->cfg_enable_npiv)
2095		bf_set(lpfc_mbx_rq_ftr_rq_npiv, &mboxq->u.mqe.un.req_ftrs, 1);
2096
2097	if (phba->nvmet_support) {
2098		bf_set(lpfc_mbx_rq_ftr_rq_mrqp, &mboxq->u.mqe.un.req_ftrs, 1);
2099		/* iaab/iaar NOT set for now */
2100		bf_set(lpfc_mbx_rq_ftr_rq_iaab, &mboxq->u.mqe.un.req_ftrs, 0);
2101		bf_set(lpfc_mbx_rq_ftr_rq_iaar, &mboxq->u.mqe.un.req_ftrs, 0);
2102	}
2103	return;
2104}
2105
2106/**
2107 * lpfc_init_vfi - Initialize the INIT_VFI mailbox command
2108 * @mbox: pointer to lpfc mbox command to initialize.
2109 * @vport: Vport associated with the VF.
2110 *
2111 * This routine initializes @mbox to all zeros and then fills in the mailbox
2112 * fields from @vport. INIT_VFI configures virtual fabrics identified by VFI
2113 * in the context of an FCF. The driver issues this command to setup a VFI
2114 * before issuing a FLOGI to login to the VSAN. The driver should also issue a
2115 * REG_VFI after a successful VSAN login.
2116 **/
2117void
2118lpfc_init_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport)
2119{
2120	struct lpfc_mbx_init_vfi *init_vfi;
2121
2122	memset(mbox, 0, sizeof(*mbox));
2123	mbox->vport = vport;
2124	init_vfi = &mbox->u.mqe.un.init_vfi;
2125	bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VFI);
2126	bf_set(lpfc_init_vfi_vr, init_vfi, 1);
2127	bf_set(lpfc_init_vfi_vt, init_vfi, 1);
2128	bf_set(lpfc_init_vfi_vp, init_vfi, 1);
2129	bf_set(lpfc_init_vfi_vfi, init_vfi,
2130	       vport->phba->sli4_hba.vfi_ids[vport->vfi]);
2131	bf_set(lpfc_init_vfi_vpi, init_vfi,
2132	       vport->phba->vpi_ids[vport->vpi]);
2133	bf_set(lpfc_init_vfi_fcfi, init_vfi,
2134	       vport->phba->fcf.fcfi);
2135}
2136
2137/**
2138 * lpfc_reg_vfi - Initialize the REG_VFI mailbox command
2139 * @mbox: pointer to lpfc mbox command to initialize.
2140 * @vport: vport associated with the VF.
2141 * @phys: BDE DMA bus address used to send the service parameters to the HBA.
2142 *
2143 * This routine initializes @mbox to all zeros and then fills in the mailbox
2144 * fields from @vport, and uses @buf as a DMAable buffer to send the vport's
2145 * fc service parameters to the HBA for this VFI. REG_VFI configures virtual
2146 * fabrics identified by VFI in the context of an FCF.
2147 **/
2148void
2149lpfc_reg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport, dma_addr_t phys)
2150{
2151	struct lpfc_mbx_reg_vfi *reg_vfi;
2152	struct lpfc_hba *phba = vport->phba;
2153	uint8_t bbscn_fabric = 0, bbscn_max = 0, bbscn_def = 0;
2154
2155	memset(mbox, 0, sizeof(*mbox));
2156	reg_vfi = &mbox->u.mqe.un.reg_vfi;
2157	bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_VFI);
2158	bf_set(lpfc_reg_vfi_vp, reg_vfi, 1);
2159	bf_set(lpfc_reg_vfi_vfi, reg_vfi,
2160	       phba->sli4_hba.vfi_ids[vport->vfi]);
2161	bf_set(lpfc_reg_vfi_fcfi, reg_vfi, phba->fcf.fcfi);
2162	bf_set(lpfc_reg_vfi_vpi, reg_vfi, phba->vpi_ids[vport->vpi]);
2163	memcpy(reg_vfi->wwn, &vport->fc_portname, sizeof(struct lpfc_name));
2164	reg_vfi->wwn[0] = cpu_to_le32(reg_vfi->wwn[0]);
2165	reg_vfi->wwn[1] = cpu_to_le32(reg_vfi->wwn[1]);
2166	reg_vfi->e_d_tov = phba->fc_edtov;
2167	reg_vfi->r_a_tov = phba->fc_ratov;
2168	if (phys) {
2169		reg_vfi->bde.addrHigh = putPaddrHigh(phys);
2170		reg_vfi->bde.addrLow = putPaddrLow(phys);
2171		reg_vfi->bde.tus.f.bdeSize = sizeof(vport->fc_sparam);
2172		reg_vfi->bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64;
2173	}
2174	bf_set(lpfc_reg_vfi_nport_id, reg_vfi, vport->fc_myDID);
2175
2176	/* Only FC supports upd bit */
2177	if ((phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC) &&
2178	    (vport->fc_flag & FC_VFI_REGISTERED) &&
2179	    (!phba->fc_topology_changed))
2180		bf_set(lpfc_reg_vfi_upd, reg_vfi, 1);
2181
2182	bf_set(lpfc_reg_vfi_bbcr, reg_vfi, 0);
2183	bf_set(lpfc_reg_vfi_bbscn, reg_vfi, 0);
2184	bbscn_fabric = (phba->fc_fabparam.cmn.bbRcvSizeMsb >> 4) & 0xF;
2185
2186	if (phba->bbcredit_support && phba->cfg_enable_bbcr  &&
2187	    bbscn_fabric != 0) {
2188		bbscn_max = bf_get(lpfc_bbscn_max,
2189				   &phba->sli4_hba.bbscn_params);
2190		if (bbscn_fabric <= bbscn_max) {
2191			bbscn_def = bf_get(lpfc_bbscn_def,
2192					   &phba->sli4_hba.bbscn_params);
2193
2194			if (bbscn_fabric > bbscn_def)
2195				bf_set(lpfc_reg_vfi_bbscn, reg_vfi,
2196				       bbscn_fabric);
2197			else
2198				bf_set(lpfc_reg_vfi_bbscn, reg_vfi, bbscn_def);
2199
2200			bf_set(lpfc_reg_vfi_bbcr, reg_vfi, 1);
2201		}
2202	}
2203	lpfc_printf_vlog(vport, KERN_INFO, LOG_MBOX,
2204			"3134 Register VFI, mydid:x%x, fcfi:%d, "
2205			" vfi:%d, vpi:%d, fc_pname:%x%x fc_flag:x%x"
2206			" port_state:x%x topology chg:%d bbscn_fabric :%d\n",
2207			vport->fc_myDID,
2208			phba->fcf.fcfi,
2209			phba->sli4_hba.vfi_ids[vport->vfi],
2210			phba->vpi_ids[vport->vpi],
2211			reg_vfi->wwn[0], reg_vfi->wwn[1], vport->fc_flag,
2212			vport->port_state, phba->fc_topology_changed,
2213			bbscn_fabric);
2214}
2215
2216/**
2217 * lpfc_init_vpi - Initialize the INIT_VPI mailbox command
2218 * @phba: pointer to the hba structure to init the VPI for.
2219 * @mbox: pointer to lpfc mbox command to initialize.
2220 * @vpi: VPI to be initialized.
2221 *
2222 * The INIT_VPI mailbox command supports virtual N_Ports. The driver uses the
2223 * command to activate a virtual N_Port. The HBA assigns a MAC address to use
2224 * with the virtual N Port.  The SLI Host issues this command before issuing a
2225 * FDISC to connect to the Fabric. The SLI Host should issue a REG_VPI after a
2226 * successful virtual NPort login.
2227 **/
2228void
2229lpfc_init_vpi(struct lpfc_hba *phba, struct lpfcMboxq *mbox, uint16_t vpi)
2230{
2231	memset(mbox, 0, sizeof(*mbox));
2232	bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VPI);
2233	bf_set(lpfc_init_vpi_vpi, &mbox->u.mqe.un.init_vpi,
2234	       phba->vpi_ids[vpi]);
2235	bf_set(lpfc_init_vpi_vfi, &mbox->u.mqe.un.init_vpi,
2236	       phba->sli4_hba.vfi_ids[phba->pport->vfi]);
2237}
2238
2239/**
2240 * lpfc_unreg_vfi - Initialize the UNREG_VFI mailbox command
2241 * @mbox: pointer to lpfc mbox command to initialize.
2242 * @vport: vport associated with the VF.
2243 *
2244 * The UNREG_VFI mailbox command causes the SLI Host to put a virtual fabric
2245 * (logical NPort) into the inactive state. The SLI Host must have logged out
2246 * and unregistered all remote N_Ports to abort any activity on the virtual
2247 * fabric. The SLI Port posts the mailbox response after marking the virtual
2248 * fabric inactive.
2249 **/
2250void
2251lpfc_unreg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport)
2252{
2253	memset(mbox, 0, sizeof(*mbox));
2254	bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_VFI);
2255	bf_set(lpfc_unreg_vfi_vfi, &mbox->u.mqe.un.unreg_vfi,
2256	       vport->phba->sli4_hba.vfi_ids[vport->vfi]);
2257}
2258
2259/**
2260 * lpfc_sli4_dump_cfg_rg23 - Dump sli4 port config region 23
2261 * @phba: pointer to the hba structure containing.
2262 * @mbox: pointer to lpfc mbox command to initialize.
2263 *
2264 * This function create a SLI4 dump mailbox command to dump configure
2265 * region 23.
2266 **/
2267int
2268lpfc_sli4_dump_cfg_rg23(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
2269{
2270	struct lpfc_dmabuf *mp = NULL;
2271	MAILBOX_t *mb;
2272
2273	memset(mbox, 0, sizeof(*mbox));
2274	mb = &mbox->u.mb;
2275
2276	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2277	if (mp)
2278		mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
2279
2280	if (!mp || !mp->virt) {
2281		kfree(mp);
2282		/* dump config region 23 failed to allocate memory */
2283		lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
2284			"2569 lpfc dump config region 23: memory"
2285			" allocation failed\n");
2286		return 1;
2287	}
2288
2289	memset(mp->virt, 0, LPFC_BPL_SIZE);
2290	INIT_LIST_HEAD(&mp->list);
2291
2292	/* save address for completion */
2293	mbox->ctx_buf = (uint8_t *)mp;
2294
2295	mb->mbxCommand = MBX_DUMP_MEMORY;
2296	mb->un.varDmp.type = DMP_NV_PARAMS;
2297	mb->un.varDmp.region_id = DMP_REGION_23;
2298	mb->un.varDmp.sli4_length = DMP_RGN23_SIZE;
2299	mb->un.varWords[3] = putPaddrLow(mp->phys);
2300	mb->un.varWords[4] = putPaddrHigh(mp->phys);
2301	return 0;
2302}
2303
2304static void
2305lpfc_mbx_cmpl_rdp_link_stat(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
2306{
2307	MAILBOX_t *mb;
2308	int rc = FAILURE;
2309	struct lpfc_rdp_context *rdp_context =
2310			(struct lpfc_rdp_context *)(mboxq->ctx_ndlp);
2311
2312	mb = &mboxq->u.mb;
2313	if (mb->mbxStatus)
2314		goto mbx_failed;
2315
2316	memcpy(&rdp_context->link_stat, &mb->un.varRdLnk, sizeof(READ_LNK_VAR));
2317
2318	rc = SUCCESS;
2319
2320mbx_failed:
2321	lpfc_sli4_mbox_cmd_free(phba, mboxq);
2322	rdp_context->cmpl(phba, rdp_context, rc);
2323}
2324
2325static void
2326lpfc_mbx_cmpl_rdp_page_a2(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
2327{
2328	struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)mbox->ctx_buf;
2329	struct lpfc_rdp_context *rdp_context =
2330			(struct lpfc_rdp_context *)(mbox->ctx_ndlp);
2331
2332	if (bf_get(lpfc_mqe_status, &mbox->u.mqe))
2333		goto error_mbuf_free;
2334
2335	lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a2,
2336				DMP_SFF_PAGE_A2_SIZE);
2337
2338	/* We don't need dma buffer for link stat. */
2339	lpfc_mbuf_free(phba, mp->virt, mp->phys);
2340	kfree(mp);
2341
2342	memset(mbox, 0, sizeof(*mbox));
2343	lpfc_read_lnk_stat(phba, mbox);
2344	mbox->vport = rdp_context->ndlp->vport;
2345	mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_link_stat;
2346	mbox->ctx_ndlp = (struct lpfc_rdp_context *)rdp_context;
2347	if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) == MBX_NOT_FINISHED)
2348		goto error_cmd_free;
2349
2350	return;
2351
2352error_mbuf_free:
2353	lpfc_mbuf_free(phba, mp->virt, mp->phys);
2354	kfree(mp);
2355error_cmd_free:
2356	lpfc_sli4_mbox_cmd_free(phba, mbox);
2357	rdp_context->cmpl(phba, rdp_context, FAILURE);
2358}
2359
2360void
2361lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
2362{
2363	int rc;
2364	struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)(mbox->ctx_buf);
2365	struct lpfc_rdp_context *rdp_context =
2366			(struct lpfc_rdp_context *)(mbox->ctx_ndlp);
2367
2368	if (bf_get(lpfc_mqe_status, &mbox->u.mqe))
2369		goto error;
2370
2371	lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a0,
2372				DMP_SFF_PAGE_A0_SIZE);
2373
2374	memset(mbox, 0, sizeof(*mbox));
2375
2376	memset(mp->virt, 0, DMP_SFF_PAGE_A2_SIZE);
2377	INIT_LIST_HEAD(&mp->list);
2378
2379	/* save address for completion */
2380	mbox->ctx_buf = mp;
2381	mbox->vport = rdp_context->ndlp->vport;
2382
2383	bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY);
2384	bf_set(lpfc_mbx_memory_dump_type3_type,
2385		&mbox->u.mqe.un.mem_dump_type3, DMP_LMSD);
2386	bf_set(lpfc_mbx_memory_dump_type3_link,
2387		&mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port);
2388	bf_set(lpfc_mbx_memory_dump_type3_page_no,
2389		&mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A2);
2390	bf_set(lpfc_mbx_memory_dump_type3_length,
2391		&mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A2_SIZE);
2392	mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys);
2393	mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys);
2394
2395	mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_page_a2;
2396	mbox->ctx_ndlp = (struct lpfc_rdp_context *)rdp_context;
2397	rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
2398	if (rc == MBX_NOT_FINISHED)
2399		goto error;
2400
2401	return;
2402
2403error:
2404	lpfc_mbuf_free(phba, mp->virt, mp->phys);
2405	kfree(mp);
2406	lpfc_sli4_mbox_cmd_free(phba, mbox);
2407	rdp_context->cmpl(phba, rdp_context, FAILURE);
2408}
2409
2410
2411/*
2412 * lpfc_sli4_dump_sfp_pagea0 - Dump sli4 read SFP Diagnostic.
2413 * @phba: pointer to the hba structure containing.
2414 * @mbox: pointer to lpfc mbox command to initialize.
2415 *
2416 * This function create a SLI4 dump mailbox command to dump configure
2417 * type 3 page 0xA0.
2418 */
2419int
2420lpfc_sli4_dump_page_a0(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
2421{
2422	struct lpfc_dmabuf *mp = NULL;
2423
2424	memset(mbox, 0, sizeof(*mbox));
2425
2426	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2427	if (mp)
2428		mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
2429	if (!mp || !mp->virt) {
2430		kfree(mp);
2431		lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
2432			"3569 dump type 3 page 0xA0 allocation failed\n");
2433		return 1;
2434	}
2435
2436	memset(mp->virt, 0, LPFC_BPL_SIZE);
2437	INIT_LIST_HEAD(&mp->list);
2438
2439	bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY);
2440	/* save address for completion */
2441	mbox->ctx_buf = mp;
2442
2443	bf_set(lpfc_mbx_memory_dump_type3_type,
2444		&mbox->u.mqe.un.mem_dump_type3, DMP_LMSD);
2445	bf_set(lpfc_mbx_memory_dump_type3_link,
2446		&mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port);
2447	bf_set(lpfc_mbx_memory_dump_type3_page_no,
2448		&mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A0);
2449	bf_set(lpfc_mbx_memory_dump_type3_length,
2450		&mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A0_SIZE);
2451	mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys);
2452	mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys);
2453
2454	return 0;
2455}
2456
2457/**
2458 * lpfc_reg_fcfi - Initialize the REG_FCFI mailbox command
2459 * @phba: pointer to the hba structure containing the FCF index and RQ ID.
2460 * @mbox: pointer to lpfc mbox command to initialize.
2461 *
2462 * The REG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs). The
2463 * SLI Host uses the command to activate an FCF after it has acquired FCF
2464 * information via a READ_FCF mailbox command. This mailbox command also is used
2465 * to indicate where received unsolicited frames from this FCF will be sent. By
2466 * default this routine will set up the FCF to forward all unsolicited frames
2467 * the the RQ ID passed in the @phba. This can be overridden by the caller for
2468 * more complicated setups.
2469 **/
2470void
2471lpfc_reg_fcfi(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
2472{
2473	struct lpfc_mbx_reg_fcfi *reg_fcfi;
2474
2475	memset(mbox, 0, sizeof(*mbox));
2476	reg_fcfi = &mbox->u.mqe.un.reg_fcfi;
2477	bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_FCFI);
2478	if (phba->nvmet_support == 0) {
2479		bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi,
2480		       phba->sli4_hba.hdr_rq->queue_id);
2481		/* Match everything - rq_id0 */
2482		bf_set(lpfc_reg_fcfi_type_match0, reg_fcfi, 0);
2483		bf_set(lpfc_reg_fcfi_type_mask0, reg_fcfi, 0);
2484		bf_set(lpfc_reg_fcfi_rctl_match0, reg_fcfi, 0);
2485		bf_set(lpfc_reg_fcfi_rctl_mask0, reg_fcfi, 0);
2486
2487		bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi, REG_FCF_INVALID_QID);
2488
2489		/* addr mode is bit wise inverted value of fcf addr_mode */
2490		bf_set(lpfc_reg_fcfi_mam, reg_fcfi,
2491		       (~phba->fcf.addr_mode) & 0x3);
2492	} else {
2493		/* This is ONLY for NVMET MRQ == 1 */
2494		if (phba->cfg_nvmet_mrq != 1)
2495			return;
2496
2497		bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi,
2498		       phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id);
2499		/* Match type FCP - rq_id0 */
2500		bf_set(lpfc_reg_fcfi_type_match0, reg_fcfi, FC_TYPE_FCP);
2501		bf_set(lpfc_reg_fcfi_type_mask0, reg_fcfi, 0xff);
2502		bf_set(lpfc_reg_fcfi_rctl_match0, reg_fcfi,
2503		       FC_RCTL_DD_UNSOL_CMD);
2504
2505		bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi,
2506		       phba->sli4_hba.hdr_rq->queue_id);
2507		/* Match everything else - rq_id1 */
2508		bf_set(lpfc_reg_fcfi_type_match1, reg_fcfi, 0);
2509		bf_set(lpfc_reg_fcfi_type_mask1, reg_fcfi, 0);
2510		bf_set(lpfc_reg_fcfi_rctl_match1, reg_fcfi, 0);
2511		bf_set(lpfc_reg_fcfi_rctl_mask1, reg_fcfi, 0);
2512	}
2513	bf_set(lpfc_reg_fcfi_rq_id2, reg_fcfi, REG_FCF_INVALID_QID);
2514	bf_set(lpfc_reg_fcfi_rq_id3, reg_fcfi, REG_FCF_INVALID_QID);
2515	bf_set(lpfc_reg_fcfi_info_index, reg_fcfi,
2516	       phba->fcf.current_rec.fcf_indx);
2517	if (phba->fcf.current_rec.vlan_id != LPFC_FCOE_NULL_VID) {
2518		bf_set(lpfc_reg_fcfi_vv, reg_fcfi, 1);
2519		bf_set(lpfc_reg_fcfi_vlan_tag, reg_fcfi,
2520		       phba->fcf.current_rec.vlan_id);
2521	}
2522}
2523
2524/**
2525 * lpfc_reg_fcfi_mrq - Initialize the REG_FCFI_MRQ mailbox command
2526 * @phba: pointer to the hba structure containing the FCF index and RQ ID.
2527 * @mbox: pointer to lpfc mbox command to initialize.
2528 * @mode: 0 to register FCFI, 1 to register MRQs
2529 *
2530 * The REG_FCFI_MRQ mailbox command supports Fibre Channel Forwarders (FCFs).
2531 * The SLI Host uses the command to activate an FCF after it has acquired FCF
2532 * information via a READ_FCF mailbox command. This mailbox command also is used
2533 * to indicate where received unsolicited frames from this FCF will be sent. By
2534 * default this routine will set up the FCF to forward all unsolicited frames
2535 * the the RQ ID passed in the @phba. This can be overridden by the caller for
2536 * more complicated setups.
2537 **/
2538void
2539lpfc_reg_fcfi_mrq(struct lpfc_hba *phba, struct lpfcMboxq *mbox, int mode)
2540{
2541	struct lpfc_mbx_reg_fcfi_mrq *reg_fcfi;
2542
2543	/* This is ONLY for MRQ */
2544	if (phba->cfg_nvmet_mrq <= 1)
2545		return;
2546
2547	memset(mbox, 0, sizeof(*mbox));
2548	reg_fcfi = &mbox->u.mqe.un.reg_fcfi_mrq;
2549	bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_FCFI_MRQ);
2550	if (mode == 0) {
2551		bf_set(lpfc_reg_fcfi_mrq_info_index, reg_fcfi,
2552		       phba->fcf.current_rec.fcf_indx);
2553		if (phba->fcf.current_rec.vlan_id != LPFC_FCOE_NULL_VID) {
2554			bf_set(lpfc_reg_fcfi_mrq_vv, reg_fcfi, 1);
2555			bf_set(lpfc_reg_fcfi_mrq_vlan_tag, reg_fcfi,
2556			       phba->fcf.current_rec.vlan_id);
2557		}
2558		return;
2559	}
2560
2561	bf_set(lpfc_reg_fcfi_mrq_rq_id0, reg_fcfi,
2562	       phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id);
2563	/* Match NVME frames of type FCP (protocol NVME) - rq_id0 */
2564	bf_set(lpfc_reg_fcfi_mrq_type_match0, reg_fcfi, FC_TYPE_FCP);
2565	bf_set(lpfc_reg_fcfi_mrq_type_mask0, reg_fcfi, 0xff);
2566	bf_set(lpfc_reg_fcfi_mrq_rctl_match0, reg_fcfi, FC_RCTL_DD_UNSOL_CMD);
2567	bf_set(lpfc_reg_fcfi_mrq_rctl_mask0, reg_fcfi, 0xff);
2568	bf_set(lpfc_reg_fcfi_mrq_ptc0, reg_fcfi, 1);
2569	bf_set(lpfc_reg_fcfi_mrq_pt0, reg_fcfi, 1);
2570
2571	bf_set(lpfc_reg_fcfi_mrq_policy, reg_fcfi, 3); /* NVME connection id */
2572	bf_set(lpfc_reg_fcfi_mrq_mode, reg_fcfi, 1);
2573	bf_set(lpfc_reg_fcfi_mrq_filter, reg_fcfi, 1); /* rq_id0 */
2574	bf_set(lpfc_reg_fcfi_mrq_npairs, reg_fcfi, phba->cfg_nvmet_mrq);
2575
2576	bf_set(lpfc_reg_fcfi_mrq_rq_id1, reg_fcfi,
2577	       phba->sli4_hba.hdr_rq->queue_id);
2578	/* Match everything - rq_id1 */
2579	bf_set(lpfc_reg_fcfi_mrq_type_match1, reg_fcfi, 0);
2580	bf_set(lpfc_reg_fcfi_mrq_type_mask1, reg_fcfi, 0);
2581	bf_set(lpfc_reg_fcfi_mrq_rctl_match1, reg_fcfi, 0);
2582	bf_set(lpfc_reg_fcfi_mrq_rctl_mask1, reg_fcfi, 0);
2583
2584	bf_set(lpfc_reg_fcfi_mrq_rq_id2, reg_fcfi, REG_FCF_INVALID_QID);
2585	bf_set(lpfc_reg_fcfi_mrq_rq_id3, reg_fcfi, REG_FCF_INVALID_QID);
2586}
2587
2588/**
2589 * lpfc_unreg_fcfi - Initialize the UNREG_FCFI mailbox command
2590 * @mbox: pointer to lpfc mbox command to initialize.
2591 * @fcfi: FCFI to be unregistered.
2592 *
2593 * The UNREG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs).
2594 * The SLI Host uses the command to inactivate an FCFI.
2595 **/
2596void
2597lpfc_unreg_fcfi(struct lpfcMboxq *mbox, uint16_t fcfi)
2598{
2599	memset(mbox, 0, sizeof(*mbox));
2600	bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_FCFI);
2601	bf_set(lpfc_unreg_fcfi, &mbox->u.mqe.un.unreg_fcfi, fcfi);
2602}
2603
2604/**
2605 * lpfc_resume_rpi - Initialize the RESUME_RPI mailbox command
2606 * @mbox: pointer to lpfc mbox command to initialize.
2607 * @ndlp: The nodelist structure that describes the RPI to resume.
2608 *
2609 * The RESUME_RPI mailbox command is used to restart I/O to an RPI after a
2610 * link event.
2611 **/
2612void
2613lpfc_resume_rpi(struct lpfcMboxq *mbox, struct lpfc_nodelist *ndlp)
2614{
2615	struct lpfc_hba *phba = ndlp->phba;
2616	struct lpfc_mbx_resume_rpi *resume_rpi;
2617
2618	memset(mbox, 0, sizeof(*mbox));
2619	resume_rpi = &mbox->u.mqe.un.resume_rpi;
2620	bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_RESUME_RPI);
2621	bf_set(lpfc_resume_rpi_index, resume_rpi,
2622	       phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]);
2623	bf_set(lpfc_resume_rpi_ii, resume_rpi, RESUME_INDEX_RPI);
2624	resume_rpi->event_tag = ndlp->phba->fc_eventTag;
2625}
2626
2627