drivers/scsi/lpfc/lpfc

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This source file includes following definitions.
lpfc_dump_static_vport
lpfc_down_link
lpfc_dump_mem
lpfc_dump_wakeup_param
lpfc_read_nv
lpfc_config_async
lpfc_heart_beat
lpfc_read_topology
lpfc_clear_la
lpfc_config_link
lpfc_config_msi
lpfc_init_link
lpfc_read_sparam
lpfc_unreg_did
lpfc_read_config
lpfc_read_lnk_stat
lpfc_reg_rpi
lpfc_unreg_login
lpfc_sli4_unreg_all_rpis
lpfc_reg_vpi
lpfc_unreg_vpi
lpfc_config_pcb_setup
lpfc_read_rev
lpfc_sli4_swap_str
lpfc_build_hbq_profile2
lpfc_build_hbq_profile3
lpfc_build_hbq_profile5
lpfc_config_hbq
lpfc_config_ring
lpfc_config_port
lpfc_kill_board
lpfc_mbox_put
lpfc_mbox_get
__lpfc_mbox_cmpl_put
lpfc_mbox_cmpl_put
lpfc_mbox_cmd_check
lpfc_mbox_dev_check
lpfc_mbox_tmo_val
lpfc_sli4_mbx_sge_set
lpfc_sli4_mbx_sge_get
lpfc_sli4_mbox_cmd_free
lpfc_sli4_config
lpfc_sli4_mbox_rsrc_extent
lpfc_sli_config_mbox_subsys_get
lpfc_sli_config_mbox_opcode_get
lpfc_sli4_mbx_read_fcf_rec
lpfc_request_features
lpfc_init_vfi
lpfc_reg_vfi
lpfc_init_vpi
lpfc_unreg_vfi
lpfc_sli4_dump_cfg_rg23
lpfc_mbx_cmpl_rdp_link_stat
lpfc_mbx_cmpl_rdp_page_a2
lpfc_mbx_cmpl_rdp_page_a0
lpfc_sli4_dump_page_a0
lpfc_reg_fcfi
lpfc_reg_fcfi_mrq
lpfc_unreg_fcfi
lpfc_resume_rpi
lpfc_supported_pages
lpfc_pc_sli4_params
   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  **/
  58 int
  59 lpfc_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  **/
 112 void
 113 lpfc_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  **/
 134 void
 135 lpfc_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  */
 167 void
 168 lpfc_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  **/
 204 void
 205 lpfc_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  **/
 229 void
 230 lpfc_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  **/
 256 void
 257 lpfc_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  **/
 289 int
 290 lpfc_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  **/
 327 void
 328 lpfc_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  **/
 355 void
 356 lpfc_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  **/
 407 int
 408 lpfc_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  **/
 486 void
 487 lpfc_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             mb->un.varInitLnk.link_flags & FLAGS_TOPOLOGY_MODE_LOOP) {
 519                 mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
 520                 phba->cfg_topology = FLAGS_TOPOLOGY_MODE_PT_PT;
 521         }
 522 
 523         /* Enable asynchronous ABTS responses from firmware */
 524         mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT;
 525 
 526         /* NEW_FEATURE
 527          * Setting up the link speed
 528          */
 529         vpd = &phba->vpd;
 530         if (vpd->rev.feaLevelHigh >= 0x02){
 531                 switch(linkspeed){
 532                 case LPFC_USER_LINK_SPEED_1G:
 533                         mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
 534                         mb->un.varInitLnk.link_speed = LINK_SPEED_1G;
 535                         break;
 536                 case LPFC_USER_LINK_SPEED_2G:
 537                         mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
 538                         mb->un.varInitLnk.link_speed = LINK_SPEED_2G;
 539                         break;
 540                 case LPFC_USER_LINK_SPEED_4G:
 541                         mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
 542                         mb->un.varInitLnk.link_speed = LINK_SPEED_4G;
 543                         break;
 544                 case LPFC_USER_LINK_SPEED_8G:
 545                         mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
 546                         mb->un.varInitLnk.link_speed = LINK_SPEED_8G;
 547                         break;
 548                 case LPFC_USER_LINK_SPEED_10G:
 549                         mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
 550                         mb->un.varInitLnk.link_speed = LINK_SPEED_10G;
 551                         break;
 552                 case LPFC_USER_LINK_SPEED_16G:
 553                         mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
 554                         mb->un.varInitLnk.link_speed = LINK_SPEED_16G;
 555                         break;
 556                 case LPFC_USER_LINK_SPEED_32G:
 557                         mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
 558                         mb->un.varInitLnk.link_speed = LINK_SPEED_32G;
 559                         break;
 560                 case LPFC_USER_LINK_SPEED_64G:
 561                         mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
 562                         mb->un.varInitLnk.link_speed = LINK_SPEED_64G;
 563                         break;
 564                 case LPFC_USER_LINK_SPEED_AUTO:
 565                 default:
 566                         mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO;
 567                         break;
 568                 }
 569 
 570         }
 571         else
 572                 mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO;
 573 
 574         mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK;
 575         mb->mbxOwner = OWN_HOST;
 576         mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA;
 577         return;
 578 }
 579 
 580 /**
 581  * lpfc_read_sparam - Prepare a mailbox command for reading HBA parameters
 582  * @phba: pointer to lpfc hba data structure.
 583  * @pmb: pointer to the driver internal queue element for mailbox command.
 584  * @vpi: virtual N_Port identifier.
 585  *
 586  * The read service parameter mailbox command is used to read the HBA port
 587  * service parameters. The service parameters are read into the buffer
 588  * specified directly by a BDE in the mailbox command. These service
 589  * parameters may then be used to build the payload of an N_Port/F_POrt
 590  * login request and reply (LOGI/ACC).
 591  *
 592  * This routine prepares the mailbox command for reading HBA port service
 593  * parameters. The DMA memory is allocated in this function and the addresses
 594  * are populated into the mailbox command for the HBA to DMA the service
 595  * parameters into.
 596  *
 597  * Return codes
 598  *    0 - Success
 599  *    1 - DMA memory allocation failed
 600  **/
 601 int
 602 lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi)
 603 {
 604         struct lpfc_dmabuf *mp;
 605         MAILBOX_t *mb;
 606 
 607         mb = &pmb->u.mb;
 608         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 609 
 610         mb->mbxOwner = OWN_HOST;
 611 
 612         /* Get a buffer to hold the HBAs Service Parameters */
 613 
 614         mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
 615         if (mp)
 616                 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
 617         if (!mp || !mp->virt) {
 618                 kfree(mp);
 619                 mb->mbxCommand = MBX_READ_SPARM64;
 620                 /* READ_SPARAM: no buffers */
 621                 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
 622                                 "0301 READ_SPARAM: no buffers\n");
 623                 return (1);
 624         }
 625         INIT_LIST_HEAD(&mp->list);
 626         mb->mbxCommand = MBX_READ_SPARM64;
 627         mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
 628         mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys);
 629         mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys);
 630         if (phba->sli_rev >= LPFC_SLI_REV3)
 631                 mb->un.varRdSparm.vpi = phba->vpi_ids[vpi];
 632 
 633         /* save address for completion */
 634         pmb->ctx_buf = mp;
 635 
 636         return (0);
 637 }
 638 
 639 /**
 640  * lpfc_unreg_did - Prepare a mailbox command for unregistering DID
 641  * @phba: pointer to lpfc hba data structure.
 642  * @vpi: virtual N_Port identifier.
 643  * @did: remote port identifier.
 644  * @pmb: pointer to the driver internal queue element for mailbox command.
 645  *
 646  * The unregister DID mailbox command is used to unregister an N_Port/F_Port
 647  * login for an unknown RPI by specifying the DID of a remote port. This
 648  * command frees an RPI context in the HBA port. This has the effect of
 649  * performing an implicit N_Port/F_Port logout.
 650  *
 651  * This routine prepares the mailbox command for unregistering a remote
 652  * N_Port/F_Port (DID) login.
 653  **/
 654 void
 655 lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did,
 656                LPFC_MBOXQ_t * pmb)
 657 {
 658         MAILBOX_t *mb;
 659 
 660         mb = &pmb->u.mb;
 661         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 662 
 663         mb->un.varUnregDID.did = did;
 664         mb->un.varUnregDID.vpi = vpi;
 665         if ((vpi != 0xffff) &&
 666             (phba->sli_rev == LPFC_SLI_REV4))
 667                 mb->un.varUnregDID.vpi = phba->vpi_ids[vpi];
 668 
 669         mb->mbxCommand = MBX_UNREG_D_ID;
 670         mb->mbxOwner = OWN_HOST;
 671         return;
 672 }
 673 
 674 /**
 675  * lpfc_read_config - Prepare a mailbox command for reading HBA configuration
 676  * @phba: pointer to lpfc hba data structure.
 677  * @pmb: pointer to the driver internal queue element for mailbox command.
 678  *
 679  * The read configuration mailbox command is used to read the HBA port
 680  * configuration parameters. This mailbox command provides a method for
 681  * seeing any parameters that may have changed via various configuration
 682  * mailbox commands.
 683  *
 684  * This routine prepares the mailbox command for reading out HBA configuration
 685  * parameters.
 686  **/
 687 void
 688 lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 689 {
 690         MAILBOX_t *mb;
 691 
 692         mb = &pmb->u.mb;
 693         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 694 
 695         mb->mbxCommand = MBX_READ_CONFIG;
 696         mb->mbxOwner = OWN_HOST;
 697         return;
 698 }
 699 
 700 /**
 701  * lpfc_read_lnk_stat - Prepare a mailbox command for reading HBA link stats
 702  * @phba: pointer to lpfc hba data structure.
 703  * @pmb: pointer to the driver internal queue element for mailbox command.
 704  *
 705  * The read link status mailbox command is used to read the link status from
 706  * the HBA. Link status includes all link-related error counters. These
 707  * counters are maintained by the HBA and originated in the link hardware
 708  * unit. Note that all of these counters wrap.
 709  *
 710  * This routine prepares the mailbox command for reading out HBA link status.
 711  **/
 712 void
 713 lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 714 {
 715         MAILBOX_t *mb;
 716 
 717         mb = &pmb->u.mb;
 718         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 719 
 720         mb->mbxCommand = MBX_READ_LNK_STAT;
 721         mb->mbxOwner = OWN_HOST;
 722         return;
 723 }
 724 
 725 /**
 726  * lpfc_reg_rpi - Prepare a mailbox command for registering remote login
 727  * @phba: pointer to lpfc hba data structure.
 728  * @vpi: virtual N_Port identifier.
 729  * @did: remote port identifier.
 730  * @param: pointer to memory holding the server parameters.
 731  * @pmb: pointer to the driver internal queue element for mailbox command.
 732  * @rpi: the rpi to use in the registration (usually only used for SLI4.
 733  *
 734  * The registration login mailbox command is used to register an N_Port or
 735  * F_Port login. This registration allows the HBA to cache the remote N_Port
 736  * service parameters internally and thereby make the appropriate FC-2
 737  * decisions. The remote port service parameters are handed off by the driver
 738  * to the HBA using a descriptor entry that directly identifies a buffer in
 739  * host memory. In exchange, the HBA returns an RPI identifier.
 740  *
 741  * This routine prepares the mailbox command for registering remote port login.
 742  * The function allocates DMA buffer for passing the service parameters to the
 743  * HBA with the mailbox command.
 744  *
 745  * Return codes
 746  *    0 - Success
 747  *    1 - DMA memory allocation failed
 748  **/
 749 int
 750 lpfc_reg_rpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t did,
 751              uint8_t *param, LPFC_MBOXQ_t *pmb, uint16_t rpi)
 752 {
 753         MAILBOX_t *mb = &pmb->u.mb;
 754         uint8_t *sparam;
 755         struct lpfc_dmabuf *mp;
 756 
 757         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 758 
 759         mb->un.varRegLogin.rpi = 0;
 760         if (phba->sli_rev == LPFC_SLI_REV4)
 761                 mb->un.varRegLogin.rpi = phba->sli4_hba.rpi_ids[rpi];
 762         if (phba->sli_rev >= LPFC_SLI_REV3)
 763                 mb->un.varRegLogin.vpi = phba->vpi_ids[vpi];
 764         mb->un.varRegLogin.did = did;
 765         mb->mbxOwner = OWN_HOST;
 766         /* Get a buffer to hold NPorts Service Parameters */
 767         mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
 768         if (mp)
 769                 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
 770         if (!mp || !mp->virt) {
 771                 kfree(mp);
 772                 mb->mbxCommand = MBX_REG_LOGIN64;
 773                 /* REG_LOGIN: no buffers */
 774                 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
 775                                 "0302 REG_LOGIN: no buffers, VPI:%d DID:x%x, "
 776                                 "rpi x%x\n", vpi, did, rpi);
 777                 return 1;
 778         }
 779         INIT_LIST_HEAD(&mp->list);
 780         sparam = mp->virt;
 781 
 782         /* Copy param's into a new buffer */
 783         memcpy(sparam, param, sizeof (struct serv_parm));
 784 
 785         /* save address for completion */
 786         pmb->ctx_buf = (uint8_t *)mp;
 787 
 788         mb->mbxCommand = MBX_REG_LOGIN64;
 789         mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
 790         mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys);
 791         mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys);
 792 
 793         return 0;
 794 }
 795 
 796 /**
 797  * lpfc_unreg_login - Prepare a mailbox command for unregistering remote login
 798  * @phba: pointer to lpfc hba data structure.
 799  * @vpi: virtual N_Port identifier.
 800  * @rpi: remote port identifier
 801  * @pmb: pointer to the driver internal queue element for mailbox command.
 802  *
 803  * The unregistration login mailbox command is used to unregister an N_Port
 804  * or F_Port login. This command frees an RPI context in the HBA. It has the
 805  * effect of performing an implicit N_Port/F_Port logout.
 806  *
 807  * This routine prepares the mailbox command for unregistering remote port
 808  * login.
 809  *
 810  * For SLI4 ports, the rpi passed to this function must be the physical
 811  * rpi value, not the logical index.
 812  **/
 813 void
 814 lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi,
 815                  LPFC_MBOXQ_t * pmb)
 816 {
 817         MAILBOX_t *mb;
 818 
 819         mb = &pmb->u.mb;
 820         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 821 
 822         mb->un.varUnregLogin.rpi = rpi;
 823         mb->un.varUnregLogin.rsvd1 = 0;
 824         if (phba->sli_rev >= LPFC_SLI_REV3)
 825                 mb->un.varUnregLogin.vpi = phba->vpi_ids[vpi];
 826 
 827         mb->mbxCommand = MBX_UNREG_LOGIN;
 828         mb->mbxOwner = OWN_HOST;
 829 
 830         return;
 831 }
 832 
 833 /**
 834  * lpfc_sli4_unreg_all_rpis - unregister all RPIs for a vport on SLI4 HBA.
 835  * @vport: pointer to a vport object.
 836  *
 837  * This routine sends mailbox command to unregister all active RPIs for
 838  * a vport.
 839  **/
 840 void
 841 lpfc_sli4_unreg_all_rpis(struct lpfc_vport *vport)
 842 {
 843         struct lpfc_hba  *phba  = vport->phba;
 844         LPFC_MBOXQ_t     *mbox;
 845         int rc;
 846 
 847         mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 848         if (mbox) {
 849                 /*
 850                  * For SLI4 functions, the rpi field is overloaded for
 851                  * the vport context unreg all.  This routine passes
 852                  * 0 for the rpi field in lpfc_unreg_login for compatibility
 853                  * with SLI3 and then overrides the rpi field with the
 854                  * expected value for SLI4.
 855                  */
 856                 lpfc_unreg_login(phba, vport->vpi, phba->vpi_ids[vport->vpi],
 857                                  mbox);
 858                 mbox->u.mb.un.varUnregLogin.rsvd1 = 0x4000;
 859                 mbox->vport = vport;
 860                 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 861                 mbox->ctx_ndlp = NULL;
 862                 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
 863                 if (rc == MBX_NOT_FINISHED)
 864                         mempool_free(mbox, phba->mbox_mem_pool);
 865         }
 866 }
 867 
 868 /**
 869  * lpfc_reg_vpi - Prepare a mailbox command for registering vport identifier
 870  * @phba: pointer to lpfc hba data structure.
 871  * @vpi: virtual N_Port identifier.
 872  * @sid: Fibre Channel S_ID (N_Port_ID assigned to a virtual N_Port).
 873  * @pmb: pointer to the driver internal queue element for mailbox command.
 874  *
 875  * The registration vport identifier mailbox command is used to activate a
 876  * virtual N_Port after it has acquired an N_Port_ID. The HBA validates the
 877  * N_Port_ID against the information in the selected virtual N_Port context
 878  * block and marks it active to allow normal processing of IOCB commands and
 879  * received unsolicited exchanges.
 880  *
 881  * This routine prepares the mailbox command for registering a virtual N_Port.
 882  **/
 883 void
 884 lpfc_reg_vpi(struct lpfc_vport *vport, LPFC_MBOXQ_t *pmb)
 885 {
 886         MAILBOX_t *mb = &pmb->u.mb;
 887         struct lpfc_hba *phba = vport->phba;
 888 
 889         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 890         /*
 891          * Set the re-reg VPI bit for f/w to update the MAC address.
 892          */
 893         if ((phba->sli_rev == LPFC_SLI_REV4) &&
 894                 !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI))
 895                 mb->un.varRegVpi.upd = 1;
 896 
 897         mb->un.varRegVpi.vpi = phba->vpi_ids[vport->vpi];
 898         mb->un.varRegVpi.sid = vport->fc_myDID;
 899         if (phba->sli_rev == LPFC_SLI_REV4)
 900                 mb->un.varRegVpi.vfi = phba->sli4_hba.vfi_ids[vport->vfi];
 901         else
 902                 mb->un.varRegVpi.vfi = vport->vfi + vport->phba->vfi_base;
 903         memcpy(mb->un.varRegVpi.wwn, &vport->fc_portname,
 904                sizeof(struct lpfc_name));
 905         mb->un.varRegVpi.wwn[0] = cpu_to_le32(mb->un.varRegVpi.wwn[0]);
 906         mb->un.varRegVpi.wwn[1] = cpu_to_le32(mb->un.varRegVpi.wwn[1]);
 907 
 908         mb->mbxCommand = MBX_REG_VPI;
 909         mb->mbxOwner = OWN_HOST;
 910         return;
 911 
 912 }
 913 
 914 /**
 915  * lpfc_unreg_vpi - Prepare a mailbox command for unregistering vport id
 916  * @phba: pointer to lpfc hba data structure.
 917  * @vpi: virtual N_Port identifier.
 918  * @pmb: pointer to the driver internal queue element for mailbox command.
 919  *
 920  * The unregistration vport identifier mailbox command is used to inactivate
 921  * a virtual N_Port. The driver must have logged out and unregistered all
 922  * remote N_Ports to abort any activity on the virtual N_Port. The HBA will
 923  * unregisters any default RPIs associated with the specified vpi, aborting
 924  * any active exchanges. The HBA will post the mailbox response after making
 925  * the virtual N_Port inactive.
 926  *
 927  * This routine prepares the mailbox command for unregistering a virtual
 928  * N_Port.
 929  **/
 930 void
 931 lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb)
 932 {
 933         MAILBOX_t *mb = &pmb->u.mb;
 934         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 935 
 936         if (phba->sli_rev == LPFC_SLI_REV3)
 937                 mb->un.varUnregVpi.vpi = phba->vpi_ids[vpi];
 938         else if (phba->sli_rev >= LPFC_SLI_REV4)
 939                 mb->un.varUnregVpi.sli4_vpi = phba->vpi_ids[vpi];
 940 
 941         mb->mbxCommand = MBX_UNREG_VPI;
 942         mb->mbxOwner = OWN_HOST;
 943         return;
 944 
 945 }
 946 
 947 /**
 948  * lpfc_config_pcb_setup - Set up IOCB rings in the Port Control Block (PCB)
 949  * @phba: pointer to lpfc hba data structure.
 950  *
 951  * This routine sets up and initializes the IOCB rings in the Port Control
 952  * Block (PCB).
 953  **/
 954 static void
 955 lpfc_config_pcb_setup(struct lpfc_hba * phba)
 956 {
 957         struct lpfc_sli *psli = &phba->sli;
 958         struct lpfc_sli_ring *pring;
 959         PCB_t *pcbp = phba->pcb;
 960         dma_addr_t pdma_addr;
 961         uint32_t offset;
 962         uint32_t iocbCnt = 0;
 963         int i;
 964 
 965         pcbp->maxRing = (psli->num_rings - 1);
 966 
 967         for (i = 0; i < psli->num_rings; i++) {
 968                 pring = &psli->sli3_ring[i];
 969 
 970                 pring->sli.sli3.sizeCiocb =
 971                         phba->sli_rev == 3 ? SLI3_IOCB_CMD_SIZE :
 972                                                         SLI2_IOCB_CMD_SIZE;
 973                 pring->sli.sli3.sizeRiocb =
 974                         phba->sli_rev == 3 ? SLI3_IOCB_RSP_SIZE :
 975                                                         SLI2_IOCB_RSP_SIZE;
 976                 /* A ring MUST have both cmd and rsp entries defined to be
 977                    valid */
 978                 if ((pring->sli.sli3.numCiocb == 0) ||
 979                         (pring->sli.sli3.numRiocb == 0)) {
 980                         pcbp->rdsc[i].cmdEntries = 0;
 981                         pcbp->rdsc[i].rspEntries = 0;
 982                         pcbp->rdsc[i].cmdAddrHigh = 0;
 983                         pcbp->rdsc[i].rspAddrHigh = 0;
 984                         pcbp->rdsc[i].cmdAddrLow = 0;
 985                         pcbp->rdsc[i].rspAddrLow = 0;
 986                         pring->sli.sli3.cmdringaddr = NULL;
 987                         pring->sli.sli3.rspringaddr = NULL;
 988                         continue;
 989                 }
 990                 /* Command ring setup for ring */
 991                 pring->sli.sli3.cmdringaddr = (void *)&phba->IOCBs[iocbCnt];
 992                 pcbp->rdsc[i].cmdEntries = pring->sli.sli3.numCiocb;
 993 
 994                 offset = (uint8_t *) &phba->IOCBs[iocbCnt] -
 995                          (uint8_t *) phba->slim2p.virt;
 996                 pdma_addr = phba->slim2p.phys + offset;
 997                 pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr);
 998                 pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr);
 999                 iocbCnt += pring->sli.sli3.numCiocb;
1000 
1001                 /* Response ring setup for ring */
1002                 pring->sli.sli3.rspringaddr = (void *) &phba->IOCBs[iocbCnt];
1003 
1004                 pcbp->rdsc[i].rspEntries = pring->sli.sli3.numRiocb;
1005                 offset = (uint8_t *)&phba->IOCBs[iocbCnt] -
1006                          (uint8_t *)phba->slim2p.virt;
1007                 pdma_addr = phba->slim2p.phys + offset;
1008                 pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr);
1009                 pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr);
1010                 iocbCnt += pring->sli.sli3.numRiocb;
1011         }
1012 }
1013 
1014 /**
1015  * lpfc_read_rev - Prepare a mailbox command for reading HBA revision
1016  * @phba: pointer to lpfc hba data structure.
1017  * @pmb: pointer to the driver internal queue element for mailbox command.
1018  *
1019  * The read revision mailbox command is used to read the revision levels of
1020  * the HBA components. These components include hardware units, resident
1021  * firmware, and available firmware. HBAs that supports SLI-3 mode of
1022  * operation provide different response information depending on the version
1023  * requested by the driver.
1024  *
1025  * This routine prepares the mailbox command for reading HBA revision
1026  * information.
1027  **/
1028 void
1029 lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
1030 {
1031         MAILBOX_t *mb = &pmb->u.mb;
1032         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
1033         mb->un.varRdRev.cv = 1;
1034         mb->un.varRdRev.v3req = 1; /* Request SLI3 info */
1035         mb->mbxCommand = MBX_READ_REV;
1036         mb->mbxOwner = OWN_HOST;
1037         return;
1038 }
1039 
1040 void
1041 lpfc_sli4_swap_str(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
1042 {
1043         MAILBOX_t *mb = &pmb->u.mb;
1044         struct lpfc_mqe *mqe;
1045 
1046         switch (mb->mbxCommand) {
1047         case  MBX_READ_REV:
1048                  mqe = &pmb->u.mqe;
1049                 lpfc_sli_pcimem_bcopy(mqe->un.read_rev.fw_name,
1050                                  mqe->un.read_rev.fw_name, 16);
1051                 lpfc_sli_pcimem_bcopy(mqe->un.read_rev.ulp_fw_name,
1052                                  mqe->un.read_rev.ulp_fw_name, 16);
1053                 break;
1054         default:
1055                 break;
1056         }
1057         return;
1058 }
1059 
1060 /**
1061  * lpfc_build_hbq_profile2 - Set up the HBQ Selection Profile 2
1062  * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
1063  * @hbq_desc: pointer to the HBQ selection profile descriptor.
1064  *
1065  * The Host Buffer Queue (HBQ) Selection Profile 2 specifies that the HBA
1066  * tests the incoming frames' R_CTL/TYPE fields with works 10:15 and performs
1067  * the Sequence Length Test using the fields in the Selection Profile 2
1068  * extension in words 20:31.
1069  **/
1070 static void
1071 lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb,
1072                         struct lpfc_hbq_init  *hbq_desc)
1073 {
1074         hbqmb->profiles.profile2.seqlenbcnt = hbq_desc->seqlenbcnt;
1075         hbqmb->profiles.profile2.maxlen     = hbq_desc->maxlen;
1076         hbqmb->profiles.profile2.seqlenoff  = hbq_desc->seqlenoff;
1077 }
1078 
1079 /**
1080  * lpfc_build_hbq_profile3 - Set up the HBQ Selection Profile 3
1081  * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
1082  * @hbq_desc: pointer to the HBQ selection profile descriptor.
1083  *
1084  * The Host Buffer Queue (HBQ) Selection Profile 3 specifies that the HBA
1085  * tests the incoming frame's R_CTL/TYPE fields with words 10:15 and performs
1086  * the Sequence Length Test and Byte Field Test using the fields in the
1087  * Selection Profile 3 extension in words 20:31.
1088  **/
1089 static void
1090 lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb,
1091                         struct lpfc_hbq_init  *hbq_desc)
1092 {
1093         hbqmb->profiles.profile3.seqlenbcnt = hbq_desc->seqlenbcnt;
1094         hbqmb->profiles.profile3.maxlen     = hbq_desc->maxlen;
1095         hbqmb->profiles.profile3.cmdcodeoff = hbq_desc->cmdcodeoff;
1096         hbqmb->profiles.profile3.seqlenoff  = hbq_desc->seqlenoff;
1097         memcpy(&hbqmb->profiles.profile3.cmdmatch, hbq_desc->cmdmatch,
1098                sizeof(hbqmb->profiles.profile3.cmdmatch));
1099 }
1100 
1101 /**
1102  * lpfc_build_hbq_profile5 - Set up the HBQ Selection Profile 5
1103  * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
1104  * @hbq_desc: pointer to the HBQ selection profile descriptor.
1105  *
1106  * The Host Buffer Queue (HBQ) Selection Profile 5 specifies a header HBQ. The
1107  * HBA tests the initial frame of an incoming sequence using the frame's
1108  * R_CTL/TYPE fields with words 10:15 and performs the Sequence Length Test
1109  * and Byte Field Test using the fields in the Selection Profile 5 extension
1110  * words 20:31.
1111  **/
1112 static void
1113 lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb,
1114                         struct lpfc_hbq_init  *hbq_desc)
1115 {
1116         hbqmb->profiles.profile5.seqlenbcnt = hbq_desc->seqlenbcnt;
1117         hbqmb->profiles.profile5.maxlen     = hbq_desc->maxlen;
1118         hbqmb->profiles.profile5.cmdcodeoff = hbq_desc->cmdcodeoff;
1119         hbqmb->profiles.profile5.seqlenoff  = hbq_desc->seqlenoff;
1120         memcpy(&hbqmb->profiles.profile5.cmdmatch, hbq_desc->cmdmatch,
1121                sizeof(hbqmb->profiles.profile5.cmdmatch));
1122 }
1123 
1124 /**
1125  * lpfc_config_hbq - Prepare a mailbox command for configuring an HBQ
1126  * @phba: pointer to lpfc hba data structure.
1127  * @id: HBQ identifier.
1128  * @hbq_desc: pointer to the HBA descriptor data structure.
1129  * @hbq_entry_index: index of the HBQ entry data structures.
1130  * @pmb: pointer to the driver internal queue element for mailbox command.
1131  *
1132  * The configure HBQ (Host Buffer Queue) mailbox command is used to configure
1133  * an HBQ. The configuration binds events that require buffers to a particular
1134  * ring and HBQ based on a selection profile.
1135  *
1136  * This routine prepares the mailbox command for configuring an HBQ.
1137  **/
1138 void
1139 lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id,
1140                  struct lpfc_hbq_init *hbq_desc,
1141                 uint32_t hbq_entry_index, LPFC_MBOXQ_t *pmb)
1142 {
1143         int i;
1144         MAILBOX_t *mb = &pmb->u.mb;
1145         struct config_hbq_var *hbqmb = &mb->un.varCfgHbq;
1146 
1147         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
1148         hbqmb->hbqId = id;
1149         hbqmb->entry_count = hbq_desc->entry_count;   /* # entries in HBQ */
1150         hbqmb->recvNotify = hbq_desc->rn;             /* Receive
1151                                                        * Notification */
1152         hbqmb->numMask    = hbq_desc->mask_count;     /* # R_CTL/TYPE masks
1153                                                        * # in words 0-19 */
1154         hbqmb->profile    = hbq_desc->profile;        /* Selection profile:
1155                                                        * 0 = all,
1156                                                        * 7 = logentry */
1157         hbqmb->ringMask   = hbq_desc->ring_mask;      /* Binds HBQ to a ring
1158                                                        * e.g. Ring0=b0001,
1159                                                        * ring2=b0100 */
1160         hbqmb->headerLen  = hbq_desc->headerLen;      /* 0 if not profile 4
1161                                                        * or 5 */
1162         hbqmb->logEntry   = hbq_desc->logEntry;       /* Set to 1 if this
1163                                                        * HBQ will be used
1164                                                        * for LogEntry
1165                                                        * buffers */
1166         hbqmb->hbqaddrLow = putPaddrLow(phba->hbqslimp.phys) +
1167                 hbq_entry_index * sizeof(struct lpfc_hbq_entry);
1168         hbqmb->hbqaddrHigh = putPaddrHigh(phba->hbqslimp.phys);
1169 
1170         mb->mbxCommand = MBX_CONFIG_HBQ;
1171         mb->mbxOwner = OWN_HOST;
1172 
1173                                 /* Copy info for profiles 2,3,5. Other
1174                                  * profiles this area is reserved
1175                                  */
1176         if (hbq_desc->profile == 2)
1177                 lpfc_build_hbq_profile2(hbqmb, hbq_desc);
1178         else if (hbq_desc->profile == 3)
1179                 lpfc_build_hbq_profile3(hbqmb, hbq_desc);
1180         else if (hbq_desc->profile == 5)
1181                 lpfc_build_hbq_profile5(hbqmb, hbq_desc);
1182 
1183         /* Return if no rctl / type masks for this HBQ */
1184         if (!hbq_desc->mask_count)
1185                 return;
1186 
1187         /* Otherwise we setup specific rctl / type masks for this HBQ */
1188         for (i = 0; i < hbq_desc->mask_count; i++) {
1189                 hbqmb->hbqMasks[i].tmatch = hbq_desc->hbqMasks[i].tmatch;
1190                 hbqmb->hbqMasks[i].tmask  = hbq_desc->hbqMasks[i].tmask;
1191                 hbqmb->hbqMasks[i].rctlmatch = hbq_desc->hbqMasks[i].rctlmatch;
1192                 hbqmb->hbqMasks[i].rctlmask  = hbq_desc->hbqMasks[i].rctlmask;
1193         }
1194 
1195         return;
1196 }
1197 
1198 /**
1199  * lpfc_config_ring - Prepare a mailbox command for configuring an IOCB ring
1200  * @phba: pointer to lpfc hba data structure.
1201  * @ring:
1202  * @pmb: pointer to the driver internal queue element for mailbox command.
1203  *
1204  * The configure ring mailbox command is used to configure an IOCB ring. This
1205  * configuration binds from one to six of HBA RC_CTL/TYPE mask entries to the
1206  * ring. This is used to map incoming sequences to a particular ring whose
1207  * RC_CTL/TYPE mask entry matches that of the sequence. The driver should not
1208  * attempt to configure a ring whose number is greater than the number
1209  * specified in the Port Control Block (PCB). It is an error to issue the
1210  * configure ring command more than once with the same ring number. The HBA
1211  * returns an error if the driver attempts this.
1212  *
1213  * This routine prepares the mailbox command for configuring IOCB ring.
1214  **/
1215 void
1216 lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb)
1217 {
1218         int i;
1219         MAILBOX_t *mb = &pmb->u.mb;
1220         struct lpfc_sli *psli;
1221         struct lpfc_sli_ring *pring;
1222 
1223         memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
1224 
1225         mb->un.varCfgRing.ring = ring;
1226         mb->un.varCfgRing.maxOrigXchg = 0;
1227         mb->un.varCfgRing.maxRespXchg = 0;
1228         mb->un.varCfgRing.recvNotify = 1;
1229 
1230         psli = &phba->sli;
1231         pring = &psli->sli3_ring[ring];
1232         mb->un.varCfgRing.numMask = pring->num_mask;
1233         mb->mbxCommand = MBX_CONFIG_RING;
1234         mb->mbxOwner = OWN_HOST;
1235 
1236         /* Is this ring configured for a specific profile */
1237         if (pring->prt[0].profile) {
1238                 mb->un.varCfgRing.profile = pring->prt[0].profile;
1239                 return;
1240         }
1241 
1242         /* Otherwise we setup specific rctl / type masks for this ring */
1243         for (i = 0; i < pring->num_mask; i++) {
1244                 mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl;
1245                 if (mb->un.varCfgRing.rrRegs[i].rval != FC_RCTL_ELS_REQ)
1246                         mb->un.varCfgRing.rrRegs[i].rmask = 0xff;
1247                 else
1248                         mb->un.varCfgRing.rrRegs[i].rmask = 0xfe;
1249                 mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type;
1250                 mb->un.varCfgRing.rrRegs[i].tmask = 0xff;
1251         }
1252 
1253         return;
1254 }
1255 
1256 /**
1257  * lpfc_config_port - Prepare a mailbox command for configuring port
1258  * @phba: pointer to lpfc hba data structure.
1259  * @pmb: pointer to the driver internal queue element for mailbox command.
1260  *
1261  * The configure port mailbox command is used to identify the Port Control
1262  * Block (PCB) in the driver memory. After this command is issued, the
1263  * driver must not access the mailbox in the HBA without first resetting
1264  * the HBA. The HBA may copy the PCB information to internal storage for
1265  * subsequent use; the driver can not change the PCB information unless it
1266  * resets the HBA.
1267  *
1268  * This routine prepares the mailbox command for configuring port.
1269  **/
1270 void
1271 lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
1272 {
1273         MAILBOX_t __iomem *mb_slim = (MAILBOX_t __iomem *) phba->MBslimaddr;
1274         MAILBOX_t *mb = &pmb->u.mb;
1275         dma_addr_t pdma_addr;
1276         uint32_t bar_low, bar_high;
1277         size_t offset;
1278         struct lpfc_hgp hgp;
1279         int i;
1280         uint32_t pgp_offset;
1281 
1282         memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
1283         mb->mbxCommand = MBX_CONFIG_PORT;
1284         mb->mbxOwner = OWN_HOST;
1285 
1286         mb->un.varCfgPort.pcbLen = sizeof(PCB_t);
1287 
1288         offset = (uint8_t *)phba->pcb - (uint8_t *)phba->slim2p.virt;
1289         pdma_addr = phba->slim2p.phys + offset;
1290         mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr);
1291         mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr);
1292 
1293         /* Always Host Group Pointer is in SLIM */
1294         mb->un.varCfgPort.hps = 1;
1295 
1296         /* If HBA supports SLI=3 ask for it */
1297 
1298         if (phba->sli_rev == LPFC_SLI_REV3 && phba->vpd.sli3Feat.cerbm) {
1299                 if (phba->cfg_enable_bg)
1300                         mb->un.varCfgPort.cbg = 1; /* configure BlockGuard */
1301                 if (phba->cfg_enable_dss)
1302                         mb->un.varCfgPort.cdss = 1; /* Configure Security */
1303                 mb->un.varCfgPort.cerbm = 1; /* Request HBQs */
1304                 mb->un.varCfgPort.ccrp = 1; /* Command Ring Polling */
1305                 mb->un.varCfgPort.max_hbq = lpfc_sli_hbq_count();
1306                 if (phba->max_vpi && phba->cfg_enable_npiv &&
1307                     phba->vpd.sli3Feat.cmv) {
1308                         mb->un.varCfgPort.max_vpi = LPFC_MAX_VPI;
1309                         mb->un.varCfgPort.cmv = 1;
1310                 } else
1311                         mb->un.varCfgPort.max_vpi = phba->max_vpi = 0;
1312         } else
1313                 phba->sli_rev = LPFC_SLI_REV2;
1314         mb->un.varCfgPort.sli_mode = phba->sli_rev;
1315 
1316         /* If this is an SLI3 port, configure async status notification. */
1317         if (phba->sli_rev == LPFC_SLI_REV3)
1318                 mb->un.varCfgPort.casabt = 1;
1319 
1320         /* Now setup pcb */
1321         phba->pcb->type = TYPE_NATIVE_SLI2;
1322         phba->pcb->feature = FEATURE_INITIAL_SLI2;
1323 
1324         /* Setup Mailbox pointers */
1325         phba->pcb->mailBoxSize = sizeof(MAILBOX_t) + MAILBOX_EXT_SIZE;
1326         offset = (uint8_t *)phba->mbox - (uint8_t *)phba->slim2p.virt;
1327         pdma_addr = phba->slim2p.phys + offset;
1328         phba->pcb->mbAddrHigh = putPaddrHigh(pdma_addr);
1329         phba->pcb->mbAddrLow = putPaddrLow(pdma_addr);
1330 
1331         /*
1332          * Setup Host Group ring pointer.
1333          *
1334          * For efficiency reasons, the ring get/put pointers can be
1335          * placed in adapter memory (SLIM) rather than in host memory.
1336          * This allows firmware to avoid PCI reads/writes when updating
1337          * and checking pointers.
1338          *
1339          * The firmware recognizes the use of SLIM memory by comparing
1340          * the address of the get/put pointers structure with that of
1341          * the SLIM BAR (BAR0).
1342          *
1343          * Caution: be sure to use the PCI config space value of BAR0/BAR1
1344          * (the hardware's view of the base address), not the OS's
1345          * value of pci_resource_start() as the OS value may be a cookie
1346          * for ioremap/iomap.
1347          */
1348 
1349 
1350         pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low);
1351         pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high);
1352 
1353         /*
1354          * Set up HGP - Port Memory
1355          *
1356          * The port expects the host get/put pointers to reside in memory
1357          * following the "non-diagnostic" mode mailbox (32 words, 0x80 bytes)
1358          * area of SLIM.  In SLI-2 mode, there's an additional 16 reserved
1359          * words (0x40 bytes).  This area is not reserved if HBQs are
1360          * configured in SLI-3.
1361          *
1362          * CR0Put    - SLI2(no HBQs) = 0xc0, With HBQs = 0x80
1363          * RR0Get                      0xc4              0x84
1364          * CR1Put                      0xc8              0x88
1365          * RR1Get                      0xcc              0x8c
1366          * CR2Put                      0xd0              0x90
1367          * RR2Get                      0xd4              0x94
1368          * CR3Put                      0xd8              0x98
1369          * RR3Get                      0xdc              0x9c
1370          *
1371          * Reserved                    0xa0-0xbf
1372          *    If HBQs configured:
1373          *                         HBQ 0 Put ptr  0xc0
1374          *                         HBQ 1 Put ptr  0xc4
1375          *                         HBQ 2 Put ptr  0xc8
1376          *                         ......
1377          *                         HBQ(M-1)Put Pointer 0xc0+(M-1)*4
1378          *
1379          */
1380 
1381         if (phba->cfg_hostmem_hgp && phba->sli_rev != 3) {
1382                 phba->host_gp = &phba->mbox->us.s2.host[0];
1383                 phba->hbq_put = NULL;
1384                 offset = (uint8_t *)&phba->mbox->us.s2.host -
1385                         (uint8_t *)phba->slim2p.virt;
1386                 pdma_addr = phba->slim2p.phys + offset;
1387                 phba->pcb->hgpAddrHigh = putPaddrHigh(pdma_addr);
1388                 phba->pcb->hgpAddrLow = putPaddrLow(pdma_addr);
1389         } else {
1390                 /* Always Host Group Pointer is in SLIM */
1391                 mb->un.varCfgPort.hps = 1;
1392 
1393                 if (phba->sli_rev == 3) {
1394                         phba->host_gp = &mb_slim->us.s3.host[0];
1395                         phba->hbq_put = &mb_slim->us.s3.hbq_put[0];
1396                 } else {
1397                         phba->host_gp = &mb_slim->us.s2.host[0];
1398                         phba->hbq_put = NULL;
1399                 }
1400 
1401                 /* mask off BAR0's flag bits 0 - 3 */
1402                 phba->pcb->hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
1403                         (void __iomem *)phba->host_gp -
1404                         (void __iomem *)phba->MBslimaddr;
1405                 if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64)
1406                         phba->pcb->hgpAddrHigh = bar_high;
1407                 else
1408                         phba->pcb->hgpAddrHigh = 0;
1409                 /* write HGP data to SLIM at the required longword offset */
1410                 memset(&hgp, 0, sizeof(struct lpfc_hgp));
1411 
1412                 for (i = 0; i < phba->sli.num_rings; i++) {
1413                         lpfc_memcpy_to_slim(phba->host_gp + i, &hgp,
1414                                     sizeof(*phba->host_gp));
1415                 }
1416         }
1417 
1418         /* Setup Port Group offset */
1419         if (phba->sli_rev == 3)
1420                 pgp_offset = offsetof(struct lpfc_sli2_slim,
1421                                       mbx.us.s3_pgp.port);
1422         else
1423                 pgp_offset = offsetof(struct lpfc_sli2_slim, mbx.us.s2.port);
1424         pdma_addr = phba->slim2p.phys + pgp_offset;
1425         phba->pcb->pgpAddrHigh = putPaddrHigh(pdma_addr);
1426         phba->pcb->pgpAddrLow = putPaddrLow(pdma_addr);
1427 
1428         /* Use callback routine to setp rings in the pcb */
1429         lpfc_config_pcb_setup(phba);
1430 
1431         /* special handling for LC HBAs */
1432         if (lpfc_is_LC_HBA(phba->pcidev->device)) {
1433                 uint32_t hbainit[5];
1434 
1435                 lpfc_hba_init(phba, hbainit);
1436 
1437                 memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20);
1438         }
1439 
1440         /* Swap PCB if needed */
1441         lpfc_sli_pcimem_bcopy(phba->pcb, phba->pcb, sizeof(PCB_t));
1442 }
1443 
1444 /**
1445  * lpfc_kill_board - Prepare a mailbox command for killing board
1446  * @phba: pointer to lpfc hba data structure.
1447  * @pmb: pointer to the driver internal queue element for mailbox command.
1448  *
1449  * The kill board mailbox command is used to tell firmware to perform a
1450  * graceful shutdown of a channel on a specified board to prepare for reset.
1451  * When the kill board mailbox command is received, the ER3 bit is set to 1
1452  * in the Host Status register and the ER Attention bit is set to 1 in the
1453  * Host Attention register of the HBA function that received the kill board
1454  * command.
1455  *
1456  * This routine prepares the mailbox command for killing the board in
1457  * preparation for a graceful shutdown.
1458  **/
1459 void
1460 lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
1461 {
1462         MAILBOX_t *mb = &pmb->u.mb;
1463 
1464         memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
1465         mb->mbxCommand = MBX_KILL_BOARD;
1466         mb->mbxOwner = OWN_HOST;
1467         return;
1468 }
1469 
1470 /**
1471  * lpfc_mbox_put - Put a mailbox cmd into the tail of driver's mailbox queue
1472  * @phba: pointer to lpfc hba data structure.
1473  * @mbq: pointer to the driver internal queue element for mailbox command.
1474  *
1475  * Driver maintains a internal mailbox command queue implemented as a linked
1476  * list. When a mailbox command is issued, it shall be put into the mailbox
1477  * command queue such that they shall be processed orderly as HBA can process
1478  * one mailbox command at a time.
1479  **/
1480 void
1481 lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
1482 {
1483         struct lpfc_sli *psli;
1484 
1485         psli = &phba->sli;
1486 
1487         list_add_tail(&mbq->list, &psli->mboxq);
1488 
1489         psli->mboxq_cnt++;
1490 
1491         return;
1492 }
1493 
1494 /**
1495  * lpfc_mbox_get - Remove a mailbox cmd from the head of driver's mailbox queue
1496  * @phba: pointer to lpfc hba data structure.
1497  *
1498  * Driver maintains a internal mailbox command queue implemented as a linked
1499  * list. When a mailbox command is issued, it shall be put into the mailbox
1500  * command queue such that they shall be processed orderly as HBA can process
1501  * one mailbox command at a time. After HBA finished processing a mailbox
1502  * command, the driver will remove a pending mailbox command from the head of
1503  * the mailbox command queue and send to the HBA for processing.
1504  *
1505  * Return codes
1506  *    pointer to the driver internal queue element for mailbox command.
1507  **/
1508 LPFC_MBOXQ_t *
1509 lpfc_mbox_get(struct lpfc_hba * phba)
1510 {
1511         LPFC_MBOXQ_t *mbq = NULL;
1512         struct lpfc_sli *psli = &phba->sli;
1513 
1514         list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t, list);
1515         if (mbq)
1516                 psli->mboxq_cnt--;
1517 
1518         return mbq;
1519 }
1520 
1521 /**
1522  * __lpfc_mbox_cmpl_put - Put mailbox cmd into mailbox cmd complete list
1523  * @phba: pointer to lpfc hba data structure.
1524  * @mbq: pointer to the driver internal queue element for mailbox command.
1525  *
1526  * This routine put the completed mailbox command into the mailbox command
1527  * complete list. This is the unlocked version of the routine. The mailbox
1528  * complete list is used by the driver worker thread to process mailbox
1529  * complete callback functions outside the driver interrupt handler.
1530  **/
1531 void
1532 __lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq)
1533 {
1534         list_add_tail(&mbq->list, &phba->sli.mboxq_cmpl);
1535 }
1536 
1537 /**
1538  * lpfc_mbox_cmpl_put - Put mailbox command into mailbox command complete list
1539  * @phba: pointer to lpfc hba data structure.
1540  * @mbq: pointer to the driver internal queue element for mailbox command.
1541  *
1542  * This routine put the completed mailbox command into the mailbox command
1543  * complete list. This is the locked version of the routine. The mailbox
1544  * complete list is used by the driver worker thread to process mailbox
1545  * complete callback functions outside the driver interrupt handler.
1546  **/
1547 void
1548 lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq)
1549 {
1550         unsigned long iflag;
1551 
1552         /* This function expects to be called from interrupt context */
1553         spin_lock_irqsave(&phba->hbalock, iflag);
1554         __lpfc_mbox_cmpl_put(phba, mbq);
1555         spin_unlock_irqrestore(&phba->hbalock, iflag);
1556         return;
1557 }
1558 
1559 /**
1560  * lpfc_mbox_cmd_check - Check the validality of a mailbox command
1561  * @phba: pointer to lpfc hba data structure.
1562  * @mboxq: pointer to the driver internal queue element for mailbox command.
1563  *
1564  * This routine is to check whether a mailbox command is valid to be issued.
1565  * This check will be performed by both the mailbox issue API when a client
1566  * is to issue a mailbox command to the mailbox transport.
1567  *
1568  * Return 0 - pass the check, -ENODEV - fail the check
1569  **/
1570 int
1571 lpfc_mbox_cmd_check(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
1572 {
1573         /* Mailbox command that have a completion handler must also have a
1574          * vport specified.
1575          */
1576         if (mboxq->mbox_cmpl && mboxq->mbox_cmpl != lpfc_sli_def_mbox_cmpl &&
1577             mboxq->mbox_cmpl != lpfc_sli_wake_mbox_wait) {
1578                 if (!mboxq->vport) {
1579                         lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_VPORT,
1580                                         "1814 Mbox x%x failed, no vport\n",
1581                                         mboxq->u.mb.mbxCommand);
1582                         dump_stack();
1583                         return -ENODEV;
1584                 }
1585         }
1586         return 0;
1587 }
1588 
1589 /**
1590  * lpfc_mbox_dev_check - Check the device state for issuing a mailbox command
1591  * @phba: pointer to lpfc hba data structure.
1592  *
1593  * This routine is to check whether the HBA device is ready for posting a
1594  * mailbox command. It is used by the mailbox transport API at the time the
1595  * to post a mailbox command to the device.
1596  *
1597  * Return 0 - pass the check, -ENODEV - fail the check
1598  **/
1599 int
1600 lpfc_mbox_dev_check(struct lpfc_hba *phba)
1601 {
1602         /* If the PCI channel is in offline state, do not issue mbox */
1603         if (unlikely(pci_channel_offline(phba->pcidev)))
1604                 return -ENODEV;
1605 
1606         /* If the HBA is in error state, do not issue mbox */
1607         if (phba->link_state == LPFC_HBA_ERROR)
1608                 return -ENODEV;
1609 
1610         return 0;
1611 }
1612 
1613 /**
1614  * lpfc_mbox_tmo_val - Retrieve mailbox command timeout value
1615  * @phba: pointer to lpfc hba data structure.
1616  * @cmd: mailbox command code.
1617  *
1618  * This routine retrieves the proper timeout value according to the mailbox
1619  * command code.
1620  *
1621  * Return codes
1622  *    Timeout value to be used for the given mailbox command
1623  **/
1624 int
1625 lpfc_mbox_tmo_val(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
1626 {
1627         MAILBOX_t *mbox = &mboxq->u.mb;
1628         uint8_t subsys, opcode;
1629 
1630         switch (mbox->mbxCommand) {
1631         case MBX_WRITE_NV:      /* 0x03 */
1632         case MBX_DUMP_MEMORY:   /* 0x17 */
1633         case MBX_UPDATE_CFG:    /* 0x1B */
1634         case MBX_DOWN_LOAD:     /* 0x1C */
1635         case MBX_DEL_LD_ENTRY:  /* 0x1D */
1636         case MBX_WRITE_VPARMS:  /* 0x32 */
1637         case MBX_LOAD_AREA:     /* 0x81 */
1638         case MBX_WRITE_WWN:     /* 0x98 */
1639         case MBX_LOAD_EXP_ROM:  /* 0x9C */
1640         case MBX_ACCESS_VDATA:  /* 0xA5 */
1641                 return LPFC_MBOX_TMO_FLASH_CMD;
1642         case MBX_SLI4_CONFIG:   /* 0x9b */
1643                 subsys = lpfc_sli_config_mbox_subsys_get(phba, mboxq);
1644                 opcode = lpfc_sli_config_mbox_opcode_get(phba, mboxq);
1645                 if (subsys == LPFC_MBOX_SUBSYSTEM_COMMON) {
1646                         switch (opcode) {
1647                         case LPFC_MBOX_OPCODE_READ_OBJECT:
1648                         case LPFC_MBOX_OPCODE_WRITE_OBJECT:
1649                         case LPFC_MBOX_OPCODE_READ_OBJECT_LIST:
1650                         case LPFC_MBOX_OPCODE_DELETE_OBJECT:
1651                         case LPFC_MBOX_OPCODE_GET_PROFILE_LIST:
1652                         case LPFC_MBOX_OPCODE_SET_ACT_PROFILE:
1653                         case LPFC_MBOX_OPCODE_GET_PROFILE_CONFIG:
1654                         case LPFC_MBOX_OPCODE_SET_PROFILE_CONFIG:
1655                         case LPFC_MBOX_OPCODE_GET_FACTORY_PROFILE_CONFIG:
1656                         case LPFC_MBOX_OPCODE_GET_PROFILE_CAPACITIES:
1657                         case LPFC_MBOX_OPCODE_SEND_ACTIVATION:
1658                         case LPFC_MBOX_OPCODE_RESET_LICENSES:
1659                         case LPFC_MBOX_OPCODE_SET_BOOT_CONFIG:
1660                         case LPFC_MBOX_OPCODE_GET_VPD_DATA:
1661                         case LPFC_MBOX_OPCODE_SET_PHYSICAL_LINK_CONFIG:
1662                                 return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO;
1663                         }
1664                 }
1665                 if (subsys == LPFC_MBOX_SUBSYSTEM_FCOE) {
1666                         switch (opcode) {
1667                         case LPFC_MBOX_OPCODE_FCOE_SET_FCLINK_SETTINGS:
1668                                 return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO;
1669                         }
1670                 }
1671                 return LPFC_MBOX_SLI4_CONFIG_TMO;
1672         }
1673         return LPFC_MBOX_TMO;
1674 }
1675 
1676 /**
1677  * lpfc_sli4_mbx_sge_set - Set a sge entry in non-embedded mailbox command
1678  * @mbox: pointer to lpfc mbox command.
1679  * @sgentry: sge entry index.
1680  * @phyaddr: physical address for the sge
1681  * @length: Length of the sge.
1682  *
1683  * This routine sets up an entry in the non-embedded mailbox command at the sge
1684  * index location.
1685  **/
1686 void
1687 lpfc_sli4_mbx_sge_set(struct lpfcMboxq *mbox, uint32_t sgentry,
1688                       dma_addr_t phyaddr, uint32_t length)
1689 {
1690         struct lpfc_mbx_nembed_cmd *nembed_sge;
1691 
1692         nembed_sge = (struct lpfc_mbx_nembed_cmd *)
1693                                 &mbox->u.mqe.un.nembed_cmd;
1694         nembed_sge->sge[sgentry].pa_lo = putPaddrLow(phyaddr);
1695         nembed_sge->sge[sgentry].pa_hi = putPaddrHigh(phyaddr);
1696         nembed_sge->sge[sgentry].length = length;
1697 }
1698 
1699 /**
1700  * lpfc_sli4_mbx_sge_get - Get a sge entry from non-embedded mailbox command
1701  * @mbox: pointer to lpfc mbox command.
1702  * @sgentry: sge entry index.
1703  *
1704  * This routine gets an entry from the non-embedded mailbox command at the sge
1705  * index location.
1706  **/
1707 void
1708 lpfc_sli4_mbx_sge_get(struct lpfcMboxq *mbox, uint32_t sgentry,
1709                       struct lpfc_mbx_sge *sge)
1710 {
1711         struct lpfc_mbx_nembed_cmd *nembed_sge;
1712 
1713         nembed_sge = (struct lpfc_mbx_nembed_cmd *)
1714                                 &mbox->u.mqe.un.nembed_cmd;
1715         sge->pa_lo = nembed_sge->sge[sgentry].pa_lo;
1716         sge->pa_hi = nembed_sge->sge[sgentry].pa_hi;
1717         sge->length = nembed_sge->sge[sgentry].length;
1718 }
1719 
1720 /**
1721  * lpfc_sli4_mbox_cmd_free - Free a sli4 mailbox command
1722  * @phba: pointer to lpfc hba data structure.
1723  * @mbox: pointer to lpfc mbox command.
1724  *
1725  * This routine frees SLI4 specific mailbox command for sending IOCTL command.
1726  **/
1727 void
1728 lpfc_sli4_mbox_cmd_free(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
1729 {
1730         struct lpfc_mbx_sli4_config *sli4_cfg;
1731         struct lpfc_mbx_sge sge;
1732         dma_addr_t phyaddr;
1733         uint32_t sgecount, sgentry;
1734 
1735         sli4_cfg = &mbox->u.mqe.un.sli4_config;
1736 
1737         /* For embedded mbox command, just free the mbox command */
1738         if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) {
1739                 mempool_free(mbox, phba->mbox_mem_pool);
1740                 return;
1741         }
1742 
1743         /* For non-embedded mbox command, we need to free the pages first */
1744         sgecount = bf_get(lpfc_mbox_hdr_sge_cnt, &sli4_cfg->header.cfg_mhdr);
1745         /* There is nothing we can do if there is no sge address array */
1746         if (unlikely(!mbox->sge_array)) {
1747                 mempool_free(mbox, phba->mbox_mem_pool);
1748                 return;
1749         }
1750         /* Each non-embedded DMA memory was allocated in the length of a page */
1751         for (sgentry = 0; sgentry < sgecount; sgentry++) {
1752                 lpfc_sli4_mbx_sge_get(mbox, sgentry, &sge);
1753                 phyaddr = getPaddr(sge.pa_hi, sge.pa_lo);
1754                 dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
1755                                   mbox->sge_array->addr[sgentry], phyaddr);
1756         }
1757         /* Free the sge address array memory */
1758         kfree(mbox->sge_array);
1759         /* Finally, free the mailbox command itself */
1760         mempool_free(mbox, phba->mbox_mem_pool);
1761 }
1762 
1763 /**
1764  * lpfc_sli4_config - Initialize the  SLI4 Config Mailbox command
1765  * @phba: pointer to lpfc hba data structure.
1766  * @mbox: pointer to lpfc mbox command.
1767  * @subsystem: The sli4 config sub mailbox subsystem.
1768  * @opcode: The sli4 config sub mailbox command opcode.
1769  * @length: Length of the sli4 config mailbox command (including sub-header).
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  **/
1777 int
1778 lpfc_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  **/
1885 int
1886 lpfc_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  **/
1956 uint8_t
1957 lpfc_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  **/
1989 uint8_t
1990 lpfc_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  * @fcf_index: index to fcf table.
2016  *
2017  * This routine routine allocates and constructs non-embedded mailbox command
2018  * for reading a FCF table entry referred by @fcf_index.
2019  *
2020  * Return: pointer to the mailbox command constructed if successful, otherwise
2021  * NULL.
2022  **/
2023 int
2024 lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *phba,
2025                            struct lpfcMboxq *mboxq,
2026                            uint16_t fcf_index)
2027 {
2028         void *virt_addr;
2029         uint8_t *bytep;
2030         struct lpfc_mbx_sge sge;
2031         uint32_t alloc_len, req_len;
2032         struct lpfc_mbx_read_fcf_tbl *read_fcf;
2033 
2034         if (!mboxq)
2035                 return -ENOMEM;
2036 
2037         req_len = sizeof(struct fcf_record) +
2038                   sizeof(union lpfc_sli4_cfg_shdr) + 2 * sizeof(uint32_t);
2039 
2040         /* Set up READ_FCF SLI4_CONFIG mailbox-ioctl command */
2041         alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
2042                         LPFC_MBOX_OPCODE_FCOE_READ_FCF_TABLE, req_len,
2043                         LPFC_SLI4_MBX_NEMBED);
2044 
2045         if (alloc_len < req_len) {
2046                 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
2047                                 "0291 Allocated DMA memory size (x%x) is "
2048                                 "less than the requested DMA memory "
2049                                 "size (x%x)\n", alloc_len, req_len);
2050                 return -ENOMEM;
2051         }
2052 
2053         /* Get the first SGE entry from the non-embedded DMA memory. This
2054          * routine only uses a single SGE.
2055          */
2056         lpfc_sli4_mbx_sge_get(mboxq, 0, &sge);
2057         virt_addr = mboxq->sge_array->addr[0];
2058         read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr;
2059 
2060         /* Set up command fields */
2061         bf_set(lpfc_mbx_read_fcf_tbl_indx, &read_fcf->u.request, fcf_index);
2062         /* Perform necessary endian conversion */
2063         bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr);
2064         lpfc_sli_pcimem_bcopy(bytep, bytep, sizeof(uint32_t));
2065 
2066         return 0;
2067 }
2068 
2069 /**
2070  * lpfc_request_features: Configure SLI4 REQUEST_FEATURES mailbox
2071  * @mboxq: pointer to lpfc mbox command.
2072  *
2073  * This routine sets up the mailbox for an SLI4 REQUEST_FEATURES
2074  * mailbox command.
2075  **/
2076 void
2077 lpfc_request_features(struct lpfc_hba *phba, struct lpfcMboxq *mboxq)
2078 {
2079         /* Set up SLI4 mailbox command header fields */
2080         memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
2081         bf_set(lpfc_mqe_command, &mboxq->u.mqe, MBX_SLI4_REQ_FTRS);
2082 
2083         /* Set up host requested features. */
2084         bf_set(lpfc_mbx_rq_ftr_rq_fcpi, &mboxq->u.mqe.un.req_ftrs, 1);
2085         bf_set(lpfc_mbx_rq_ftr_rq_perfh, &mboxq->u.mqe.un.req_ftrs, 1);
2086 
2087         /* Enable DIF (block guard) only if configured to do so. */
2088         if (phba->cfg_enable_bg)
2089                 bf_set(lpfc_mbx_rq_ftr_rq_dif, &mboxq->u.mqe.un.req_ftrs, 1);
2090 
2091         /* Enable NPIV only if configured to do so. */
2092         if (phba->max_vpi && phba->cfg_enable_npiv)
2093                 bf_set(lpfc_mbx_rq_ftr_rq_npiv, &mboxq->u.mqe.un.req_ftrs, 1);
2094 
2095         if (phba->nvmet_support) {
2096                 bf_set(lpfc_mbx_rq_ftr_rq_mrqp, &mboxq->u.mqe.un.req_ftrs, 1);
2097                 /* iaab/iaar NOT set for now */
2098                 bf_set(lpfc_mbx_rq_ftr_rq_iaab, &mboxq->u.mqe.un.req_ftrs, 0);
2099                 bf_set(lpfc_mbx_rq_ftr_rq_iaar, &mboxq->u.mqe.un.req_ftrs, 0);
2100         }
2101         return;
2102 }
2103 
2104 /**
2105  * lpfc_init_vfi - Initialize the INIT_VFI mailbox command
2106  * @mbox: pointer to lpfc mbox command to initialize.
2107  * @vport: Vport associated with the VF.
2108  *
2109  * This routine initializes @mbox to all zeros and then fills in the mailbox
2110  * fields from @vport. INIT_VFI configures virtual fabrics identified by VFI
2111  * in the context of an FCF. The driver issues this command to setup a VFI
2112  * before issuing a FLOGI to login to the VSAN. The driver should also issue a
2113  * REG_VFI after a successful VSAN login.
2114  **/
2115 void
2116 lpfc_init_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport)
2117 {
2118         struct lpfc_mbx_init_vfi *init_vfi;
2119 
2120         memset(mbox, 0, sizeof(*mbox));
2121         mbox->vport = vport;
2122         init_vfi = &mbox->u.mqe.un.init_vfi;
2123         bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VFI);
2124         bf_set(lpfc_init_vfi_vr, init_vfi, 1);
2125         bf_set(lpfc_init_vfi_vt, init_vfi, 1);
2126         bf_set(lpfc_init_vfi_vp, init_vfi, 1);
2127         bf_set(lpfc_init_vfi_vfi, init_vfi,
2128                vport->phba->sli4_hba.vfi_ids[vport->vfi]);
2129         bf_set(lpfc_init_vfi_vpi, init_vfi,
2130                vport->phba->vpi_ids[vport->vpi]);
2131         bf_set(lpfc_init_vfi_fcfi, init_vfi,
2132                vport->phba->fcf.fcfi);
2133 }
2134 
2135 /**
2136  * lpfc_reg_vfi - Initialize the REG_VFI mailbox command
2137  * @mbox: pointer to lpfc mbox command to initialize.
2138  * @vport: vport associated with the VF.
2139  * @phys: BDE DMA bus address used to send the service parameters to the HBA.
2140  *
2141  * This routine initializes @mbox to all zeros and then fills in the mailbox
2142  * fields from @vport, and uses @buf as a DMAable buffer to send the vport's
2143  * fc service parameters to the HBA for this VFI. REG_VFI configures virtual
2144  * fabrics identified by VFI in the context of an FCF.
2145  **/
2146 void
2147 lpfc_reg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport, dma_addr_t phys)
2148 {
2149         struct lpfc_mbx_reg_vfi *reg_vfi;
2150         struct lpfc_hba *phba = vport->phba;
2151         uint8_t bbscn_fabric = 0, bbscn_max = 0, bbscn_def = 0;
2152 
2153         memset(mbox, 0, sizeof(*mbox));
2154         reg_vfi = &mbox->u.mqe.un.reg_vfi;
2155         bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_VFI);
2156         bf_set(lpfc_reg_vfi_vp, reg_vfi, 1);
2157         bf_set(lpfc_reg_vfi_vfi, reg_vfi,
2158                phba->sli4_hba.vfi_ids[vport->vfi]);
2159         bf_set(lpfc_reg_vfi_fcfi, reg_vfi, phba->fcf.fcfi);
2160         bf_set(lpfc_reg_vfi_vpi, reg_vfi, phba->vpi_ids[vport->vpi]);
2161         memcpy(reg_vfi->wwn, &vport->fc_portname, sizeof(struct lpfc_name));
2162         reg_vfi->wwn[0] = cpu_to_le32(reg_vfi->wwn[0]);
2163         reg_vfi->wwn[1] = cpu_to_le32(reg_vfi->wwn[1]);
2164         reg_vfi->e_d_tov = phba->fc_edtov;
2165         reg_vfi->r_a_tov = phba->fc_ratov;
2166         if (phys) {
2167                 reg_vfi->bde.addrHigh = putPaddrHigh(phys);
2168                 reg_vfi->bde.addrLow = putPaddrLow(phys);
2169                 reg_vfi->bde.tus.f.bdeSize = sizeof(vport->fc_sparam);
2170                 reg_vfi->bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64;
2171         }
2172         bf_set(lpfc_reg_vfi_nport_id, reg_vfi, vport->fc_myDID);
2173 
2174         /* Only FC supports upd bit */
2175         if ((phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC) &&
2176             (vport->fc_flag & FC_VFI_REGISTERED) &&
2177             (!phba->fc_topology_changed))
2178                 bf_set(lpfc_reg_vfi_upd, reg_vfi, 1);
2179 
2180         bf_set(lpfc_reg_vfi_bbcr, reg_vfi, 0);
2181         bf_set(lpfc_reg_vfi_bbscn, reg_vfi, 0);
2182         bbscn_fabric = (phba->fc_fabparam.cmn.bbRcvSizeMsb >> 4) & 0xF;
2183 
2184         if (phba->bbcredit_support && phba->cfg_enable_bbcr  &&
2185             bbscn_fabric != 0) {
2186                 bbscn_max = bf_get(lpfc_bbscn_max,
2187                                    &phba->sli4_hba.bbscn_params);
2188                 if (bbscn_fabric <= bbscn_max) {
2189                         bbscn_def = bf_get(lpfc_bbscn_def,
2190                                            &phba->sli4_hba.bbscn_params);
2191 
2192                         if (bbscn_fabric > bbscn_def)
2193                                 bf_set(lpfc_reg_vfi_bbscn, reg_vfi,
2194                                        bbscn_fabric);
2195                         else
2196                                 bf_set(lpfc_reg_vfi_bbscn, reg_vfi, bbscn_def);
2197 
2198                         bf_set(lpfc_reg_vfi_bbcr, reg_vfi, 1);
2199                 }
2200         }
2201         lpfc_printf_vlog(vport, KERN_INFO, LOG_MBOX,
2202                         "3134 Register VFI, mydid:x%x, fcfi:%d, "
2203                         " vfi:%d, vpi:%d, fc_pname:%x%x fc_flag:x%x"
2204                         " port_state:x%x topology chg:%d bbscn_fabric :%d\n",
2205                         vport->fc_myDID,
2206                         phba->fcf.fcfi,
2207                         phba->sli4_hba.vfi_ids[vport->vfi],
2208                         phba->vpi_ids[vport->vpi],
2209                         reg_vfi->wwn[0], reg_vfi->wwn[1], vport->fc_flag,
2210                         vport->port_state, phba->fc_topology_changed,
2211                         bbscn_fabric);
2212 }
2213 
2214 /**
2215  * lpfc_init_vpi - Initialize the INIT_VPI mailbox command
2216  * @phba: pointer to the hba structure to init the VPI for.
2217  * @mbox: pointer to lpfc mbox command to initialize.
2218  * @vpi: VPI to be initialized.
2219  *
2220  * The INIT_VPI mailbox command supports virtual N_Ports. The driver uses the
2221  * command to activate a virtual N_Port. The HBA assigns a MAC address to use
2222  * with the virtual N Port.  The SLI Host issues this command before issuing a
2223  * FDISC to connect to the Fabric. The SLI Host should issue a REG_VPI after a
2224  * successful virtual NPort login.
2225  **/
2226 void
2227 lpfc_init_vpi(struct lpfc_hba *phba, struct lpfcMboxq *mbox, uint16_t vpi)
2228 {
2229         memset(mbox, 0, sizeof(*mbox));
2230         bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VPI);
2231         bf_set(lpfc_init_vpi_vpi, &mbox->u.mqe.un.init_vpi,
2232                phba->vpi_ids[vpi]);
2233         bf_set(lpfc_init_vpi_vfi, &mbox->u.mqe.un.init_vpi,
2234                phba->sli4_hba.vfi_ids[phba->pport->vfi]);
2235 }
2236 
2237 /**
2238  * lpfc_unreg_vfi - Initialize the UNREG_VFI mailbox command
2239  * @mbox: pointer to lpfc mbox command to initialize.
2240  * @vport: vport associated with the VF.
2241  *
2242  * The UNREG_VFI mailbox command causes the SLI Host to put a virtual fabric
2243  * (logical NPort) into the inactive state. The SLI Host must have logged out
2244  * and unregistered all remote N_Ports to abort any activity on the virtual
2245  * fabric. The SLI Port posts the mailbox response after marking the virtual
2246  * fabric inactive.
2247  **/
2248 void
2249 lpfc_unreg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport)
2250 {
2251         memset(mbox, 0, sizeof(*mbox));
2252         bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_VFI);
2253         bf_set(lpfc_unreg_vfi_vfi, &mbox->u.mqe.un.unreg_vfi,
2254                vport->phba->sli4_hba.vfi_ids[vport->vfi]);
2255 }
2256 
2257 /**
2258  * lpfc_sli4_dump_cfg_rg23 - Dump sli4 port config region 23
2259  * @phba: pointer to the hba structure containing.
2260  * @mbox: pointer to lpfc mbox command to initialize.
2261  *
2262  * This function create a SLI4 dump mailbox command to dump configure
2263  * region 23.
2264  **/
2265 int
2266 lpfc_sli4_dump_cfg_rg23(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
2267 {
2268         struct lpfc_dmabuf *mp = NULL;
2269         MAILBOX_t *mb;
2270 
2271         memset(mbox, 0, sizeof(*mbox));
2272         mb = &mbox->u.mb;
2273 
2274         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2275         if (mp)
2276                 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
2277 
2278         if (!mp || !mp->virt) {
2279                 kfree(mp);
2280                 /* dump config region 23 failed to allocate memory */
2281                 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
2282                         "2569 lpfc dump config region 23: memory"
2283                         " allocation failed\n");
2284                 return 1;
2285         }
2286 
2287         memset(mp->virt, 0, LPFC_BPL_SIZE);
2288         INIT_LIST_HEAD(&mp->list);
2289 
2290         /* save address for completion */
2291         mbox->ctx_buf = (uint8_t *)mp;
2292 
2293         mb->mbxCommand = MBX_DUMP_MEMORY;
2294         mb->un.varDmp.type = DMP_NV_PARAMS;
2295         mb->un.varDmp.region_id = DMP_REGION_23;
2296         mb->un.varDmp.sli4_length = DMP_RGN23_SIZE;
2297         mb->un.varWords[3] = putPaddrLow(mp->phys);
2298         mb->un.varWords[4] = putPaddrHigh(mp->phys);
2299         return 0;
2300 }
2301 
2302 static void
2303 lpfc_mbx_cmpl_rdp_link_stat(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
2304 {
2305         MAILBOX_t *mb;
2306         int rc = FAILURE;
2307         struct lpfc_rdp_context *rdp_context =
2308                         (struct lpfc_rdp_context *)(mboxq->ctx_ndlp);
2309 
2310         mb = &mboxq->u.mb;
2311         if (mb->mbxStatus)
2312                 goto mbx_failed;
2313 
2314         memcpy(&rdp_context->link_stat, &mb->un.varRdLnk, sizeof(READ_LNK_VAR));
2315 
2316         rc = SUCCESS;
2317 
2318 mbx_failed:
2319         lpfc_sli4_mbox_cmd_free(phba, mboxq);
2320         rdp_context->cmpl(phba, rdp_context, rc);
2321 }
2322 
2323 static void
2324 lpfc_mbx_cmpl_rdp_page_a2(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
2325 {
2326         struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)mbox->ctx_buf;
2327         struct lpfc_rdp_context *rdp_context =
2328                         (struct lpfc_rdp_context *)(mbox->ctx_ndlp);
2329 
2330         if (bf_get(lpfc_mqe_status, &mbox->u.mqe))
2331                 goto error_mbuf_free;
2332 
2333         lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a2,
2334                                 DMP_SFF_PAGE_A2_SIZE);
2335 
2336         /* We don't need dma buffer for link stat. */
2337         lpfc_mbuf_free(phba, mp->virt, mp->phys);
2338         kfree(mp);
2339 
2340         memset(mbox, 0, sizeof(*mbox));
2341         lpfc_read_lnk_stat(phba, mbox);
2342         mbox->vport = rdp_context->ndlp->vport;
2343         mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_link_stat;
2344         mbox->ctx_ndlp = (struct lpfc_rdp_context *)rdp_context;
2345         if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) == MBX_NOT_FINISHED)
2346                 goto error_cmd_free;
2347 
2348         return;
2349 
2350 error_mbuf_free:
2351         lpfc_mbuf_free(phba, mp->virt, mp->phys);
2352         kfree(mp);
2353 error_cmd_free:
2354         lpfc_sli4_mbox_cmd_free(phba, mbox);
2355         rdp_context->cmpl(phba, rdp_context, FAILURE);
2356 }
2357 
2358 void
2359 lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
2360 {
2361         int rc;
2362         struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)(mbox->ctx_buf);
2363         struct lpfc_rdp_context *rdp_context =
2364                         (struct lpfc_rdp_context *)(mbox->ctx_ndlp);
2365 
2366         if (bf_get(lpfc_mqe_status, &mbox->u.mqe))
2367                 goto error;
2368 
2369         lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a0,
2370                                 DMP_SFF_PAGE_A0_SIZE);
2371 
2372         memset(mbox, 0, sizeof(*mbox));
2373 
2374         memset(mp->virt, 0, DMP_SFF_PAGE_A2_SIZE);
2375         INIT_LIST_HEAD(&mp->list);
2376 
2377         /* save address for completion */
2378         mbox->ctx_buf = mp;
2379         mbox->vport = rdp_context->ndlp->vport;
2380 
2381         bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY);
2382         bf_set(lpfc_mbx_memory_dump_type3_type,
2383                 &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD);
2384         bf_set(lpfc_mbx_memory_dump_type3_link,
2385                 &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port);
2386         bf_set(lpfc_mbx_memory_dump_type3_page_no,
2387                 &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A2);
2388         bf_set(lpfc_mbx_memory_dump_type3_length,
2389                 &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A2_SIZE);
2390         mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys);
2391         mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys);
2392 
2393         mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_page_a2;
2394         mbox->ctx_ndlp = (struct lpfc_rdp_context *)rdp_context;
2395         rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
2396         if (rc == MBX_NOT_FINISHED)
2397                 goto error;
2398 
2399         return;
2400 
2401 error:
2402         lpfc_mbuf_free(phba, mp->virt, mp->phys);
2403         kfree(mp);
2404         lpfc_sli4_mbox_cmd_free(phba, mbox);
2405         rdp_context->cmpl(phba, rdp_context, FAILURE);
2406 }
2407 
2408 
2409 /*
2410  * lpfc_sli4_dump_sfp_pagea0 - Dump sli4 read SFP Diagnostic.
2411  * @phba: pointer to the hba structure containing.
2412  * @mbox: pointer to lpfc mbox command to initialize.
2413  *
2414  * This function create a SLI4 dump mailbox command to dump configure
2415  * type 3 page 0xA0.
2416  */
2417 int
2418 lpfc_sli4_dump_page_a0(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
2419 {
2420         struct lpfc_dmabuf *mp = NULL;
2421 
2422         memset(mbox, 0, sizeof(*mbox));
2423 
2424         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2425         if (mp)
2426                 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
2427         if (!mp || !mp->virt) {
2428                 kfree(mp);
2429                 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
2430                         "3569 dump type 3 page 0xA0 allocation failed\n");
2431                 return 1;
2432         }
2433 
2434         memset(mp->virt, 0, LPFC_BPL_SIZE);
2435         INIT_LIST_HEAD(&mp->list);
2436 
2437         bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY);
2438         /* save address for completion */
2439         mbox->ctx_buf = mp;
2440 
2441         bf_set(lpfc_mbx_memory_dump_type3_type,
2442                 &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD);
2443         bf_set(lpfc_mbx_memory_dump_type3_link,
2444                 &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port);
2445         bf_set(lpfc_mbx_memory_dump_type3_page_no,
2446                 &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A0);
2447         bf_set(lpfc_mbx_memory_dump_type3_length,
2448                 &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A0_SIZE);
2449         mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys);
2450         mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys);
2451 
2452         return 0;
2453 }
2454 
2455 /**
2456  * lpfc_reg_fcfi - Initialize the REG_FCFI mailbox command
2457  * @phba: pointer to the hba structure containing the FCF index and RQ ID.
2458  * @mbox: pointer to lpfc mbox command to initialize.
2459  *
2460  * The REG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs). The
2461  * SLI Host uses the command to activate an FCF after it has acquired FCF
2462  * information via a READ_FCF mailbox command. This mailbox command also is used
2463  * to indicate where received unsolicited frames from this FCF will be sent. By
2464  * default this routine will set up the FCF to forward all unsolicited frames
2465  * the the RQ ID passed in the @phba. This can be overridden by the caller for
2466  * more complicated setups.
2467  **/
2468 void
2469 lpfc_reg_fcfi(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
2470 {
2471         struct lpfc_mbx_reg_fcfi *reg_fcfi;
2472 
2473         memset(mbox, 0, sizeof(*mbox));
2474         reg_fcfi = &mbox->u.mqe.un.reg_fcfi;
2475         bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_FCFI);
2476         if (phba->nvmet_support == 0) {
2477                 bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi,
2478                        phba->sli4_hba.hdr_rq->queue_id);
2479                 /* Match everything - rq_id0 */
2480                 bf_set(lpfc_reg_fcfi_type_match0, reg_fcfi, 0);
2481                 bf_set(lpfc_reg_fcfi_type_mask0, reg_fcfi, 0);
2482                 bf_set(lpfc_reg_fcfi_rctl_match0, reg_fcfi, 0);
2483                 bf_set(lpfc_reg_fcfi_rctl_mask0, reg_fcfi, 0);
2484 
2485                 bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi, REG_FCF_INVALID_QID);
2486 
2487                 /* addr mode is bit wise inverted value of fcf addr_mode */
2488                 bf_set(lpfc_reg_fcfi_mam, reg_fcfi,
2489                        (~phba->fcf.addr_mode) & 0x3);
2490         } else {
2491                 /* This is ONLY for NVMET MRQ == 1 */
2492                 if (phba->cfg_nvmet_mrq != 1)
2493                         return;
2494 
2495                 bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi,
2496                        phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id);
2497                 /* Match type FCP - rq_id0 */
2498                 bf_set(lpfc_reg_fcfi_type_match0, reg_fcfi, FC_TYPE_FCP);
2499                 bf_set(lpfc_reg_fcfi_type_mask0, reg_fcfi, 0xff);
2500                 bf_set(lpfc_reg_fcfi_rctl_match0, reg_fcfi,
2501                        FC_RCTL_DD_UNSOL_CMD);
2502 
2503                 bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi,
2504                        phba->sli4_hba.hdr_rq->queue_id);
2505                 /* Match everything else - rq_id1 */
2506                 bf_set(lpfc_reg_fcfi_type_match1, reg_fcfi, 0);
2507                 bf_set(lpfc_reg_fcfi_type_mask1, reg_fcfi, 0);
2508                 bf_set(lpfc_reg_fcfi_rctl_match1, reg_fcfi, 0);
2509                 bf_set(lpfc_reg_fcfi_rctl_mask1, reg_fcfi, 0);
2510         }
2511         bf_set(lpfc_reg_fcfi_rq_id2, reg_fcfi, REG_FCF_INVALID_QID);
2512         bf_set(lpfc_reg_fcfi_rq_id3, reg_fcfi, REG_FCF_INVALID_QID);
2513         bf_set(lpfc_reg_fcfi_info_index, reg_fcfi,
2514                phba->fcf.current_rec.fcf_indx);
2515         if (phba->fcf.current_rec.vlan_id != LPFC_FCOE_NULL_VID) {
2516                 bf_set(lpfc_reg_fcfi_vv, reg_fcfi, 1);
2517                 bf_set(lpfc_reg_fcfi_vlan_tag, reg_fcfi,
2518                        phba->fcf.current_rec.vlan_id);
2519         }
2520 }
2521 
2522 /**
2523  * lpfc_reg_fcfi_mrq - Initialize the REG_FCFI_MRQ mailbox command
2524  * @phba: pointer to the hba structure containing the FCF index and RQ ID.
2525  * @mbox: pointer to lpfc mbox command to initialize.
2526  * @mode: 0 to register FCFI, 1 to register MRQs
2527  *
2528  * The REG_FCFI_MRQ mailbox command supports Fibre Channel Forwarders (FCFs).
2529  * The SLI Host uses the command to activate an FCF after it has acquired FCF
2530  * information via a READ_FCF mailbox command. This mailbox command also is used
2531  * to indicate where received unsolicited frames from this FCF will be sent. By
2532  * default this routine will set up the FCF to forward all unsolicited frames
2533  * the the RQ ID passed in the @phba. This can be overridden by the caller for
2534  * more complicated setups.
2535  **/
2536 void
2537 lpfc_reg_fcfi_mrq(struct lpfc_hba *phba, struct lpfcMboxq *mbox, int mode)
2538 {
2539         struct lpfc_mbx_reg_fcfi_mrq *reg_fcfi;
2540 
2541         /* This is ONLY for MRQ */
2542         if (phba->cfg_nvmet_mrq <= 1)
2543                 return;
2544 
2545         memset(mbox, 0, sizeof(*mbox));
2546         reg_fcfi = &mbox->u.mqe.un.reg_fcfi_mrq;
2547         bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_FCFI_MRQ);
2548         if (mode == 0) {
2549                 bf_set(lpfc_reg_fcfi_mrq_info_index, reg_fcfi,
2550                        phba->fcf.current_rec.fcf_indx);
2551                 if (phba->fcf.current_rec.vlan_id != LPFC_FCOE_NULL_VID) {
2552                         bf_set(lpfc_reg_fcfi_mrq_vv, reg_fcfi, 1);
2553                         bf_set(lpfc_reg_fcfi_mrq_vlan_tag, reg_fcfi,
2554                                phba->fcf.current_rec.vlan_id);
2555                 }
2556                 return;
2557         }
2558 
2559         bf_set(lpfc_reg_fcfi_mrq_rq_id0, reg_fcfi,
2560                phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id);
2561         /* Match NVME frames of type FCP (protocol NVME) - rq_id0 */
2562         bf_set(lpfc_reg_fcfi_mrq_type_match0, reg_fcfi, FC_TYPE_FCP);
2563         bf_set(lpfc_reg_fcfi_mrq_type_mask0, reg_fcfi, 0xff);
2564         bf_set(lpfc_reg_fcfi_mrq_rctl_match0, reg_fcfi, FC_RCTL_DD_UNSOL_CMD);
2565         bf_set(lpfc_reg_fcfi_mrq_rctl_mask0, reg_fcfi, 0xff);
2566         bf_set(lpfc_reg_fcfi_mrq_ptc0, reg_fcfi, 1);
2567         bf_set(lpfc_reg_fcfi_mrq_pt0, reg_fcfi, 1);
2568 
2569         bf_set(lpfc_reg_fcfi_mrq_policy, reg_fcfi, 3); /* NVME connection id */
2570         bf_set(lpfc_reg_fcfi_mrq_mode, reg_fcfi, 1);
2571         bf_set(lpfc_reg_fcfi_mrq_filter, reg_fcfi, 1); /* rq_id0 */
2572         bf_set(lpfc_reg_fcfi_mrq_npairs, reg_fcfi, phba->cfg_nvmet_mrq);
2573 
2574         bf_set(lpfc_reg_fcfi_mrq_rq_id1, reg_fcfi,
2575                phba->sli4_hba.hdr_rq->queue_id);
2576         /* Match everything - rq_id1 */
2577         bf_set(lpfc_reg_fcfi_mrq_type_match1, reg_fcfi, 0);
2578         bf_set(lpfc_reg_fcfi_mrq_type_mask1, reg_fcfi, 0);
2579         bf_set(lpfc_reg_fcfi_mrq_rctl_match1, reg_fcfi, 0);
2580         bf_set(lpfc_reg_fcfi_mrq_rctl_mask1, reg_fcfi, 0);
2581 
2582         bf_set(lpfc_reg_fcfi_mrq_rq_id2, reg_fcfi, REG_FCF_INVALID_QID);
2583         bf_set(lpfc_reg_fcfi_mrq_rq_id3, reg_fcfi, REG_FCF_INVALID_QID);
2584 }
2585 
2586 /**
2587  * lpfc_unreg_fcfi - Initialize the UNREG_FCFI mailbox command
2588  * @mbox: pointer to lpfc mbox command to initialize.
2589  * @fcfi: FCFI to be unregistered.
2590  *
2591  * The UNREG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs).
2592  * The SLI Host uses the command to inactivate an FCFI.
2593  **/
2594 void
2595 lpfc_unreg_fcfi(struct lpfcMboxq *mbox, uint16_t fcfi)
2596 {
2597         memset(mbox, 0, sizeof(*mbox));
2598         bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_FCFI);
2599         bf_set(lpfc_unreg_fcfi, &mbox->u.mqe.un.unreg_fcfi, fcfi);
2600 }
2601 
2602 /**
2603  * lpfc_resume_rpi - Initialize the RESUME_RPI mailbox command
2604  * @mbox: pointer to lpfc mbox command to initialize.
2605  * @ndlp: The nodelist structure that describes the RPI to resume.
2606  *
2607  * The RESUME_RPI mailbox command is used to restart I/O to an RPI after a
2608  * link event.
2609  **/
2610 void
2611 lpfc_resume_rpi(struct lpfcMboxq *mbox, struct lpfc_nodelist *ndlp)
2612 {
2613         struct lpfc_hba *phba = ndlp->phba;
2614         struct lpfc_mbx_resume_rpi *resume_rpi;
2615 
2616         memset(mbox, 0, sizeof(*mbox));
2617         resume_rpi = &mbox->u.mqe.un.resume_rpi;
2618         bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_RESUME_RPI);
2619         bf_set(lpfc_resume_rpi_index, resume_rpi,
2620                phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]);
2621         bf_set(lpfc_resume_rpi_ii, resume_rpi, RESUME_INDEX_RPI);
2622         resume_rpi->event_tag = ndlp->phba->fc_eventTag;
2623 }
2624 
2625 /**
2626  * lpfc_supported_pages - Initialize the PORT_CAPABILITIES supported pages
2627  *                        mailbox command.
2628  * @mbox: pointer to lpfc mbox command to initialize.
2629  *
2630  * The PORT_CAPABILITIES supported pages mailbox command is issued to
2631  * retrieve the particular feature pages supported by the port.
2632  **/
2633 void
2634 lpfc_supported_pages(struct lpfcMboxq *mbox)
2635 {
2636         struct lpfc_mbx_supp_pages *supp_pages;
2637 
2638         memset(mbox, 0, sizeof(*mbox));
2639         supp_pages = &mbox->u.mqe.un.supp_pages;
2640         bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_PORT_CAPABILITIES);
2641         bf_set(cpn, supp_pages, LPFC_SUPP_PAGES);
2642 }
2643 
2644 /**
2645  * lpfc_pc_sli4_params - Initialize the PORT_CAPABILITIES SLI4 Params mbox cmd.
2646  * @mbox: pointer to lpfc mbox command to initialize.
2647  *
2648  * The PORT_CAPABILITIES SLI4 parameters mailbox command is issued to
2649  * retrieve the particular SLI4 features supported by the port.
2650  **/
2651 void
2652 lpfc_pc_sli4_params(struct lpfcMboxq *mbox)
2653 {
2654         struct lpfc_mbx_pc_sli4_params *sli4_params;
2655 
2656         memset(mbox, 0, sizeof(*mbox));
2657         sli4_params = &mbox->u.mqe.un.sli4_params;
2658         bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_PORT_CAPABILITIES);
2659         bf_set(cpn, sli4_params, LPFC_SLI4_PARAMETERS);
2660 }
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/scsi/lpfc/lpfc_mbox.c

DEFINITIONS
