linux/drivers/scsi/qla2xxx/qla_gs.c
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   1/*
   2 * QLogic Fibre Channel HBA Driver
   3 * Copyright (c)  2003-2008 QLogic Corporation
   4 *
   5 * See LICENSE.qla2xxx for copyright and licensing details.
   6 */
   7#include "qla_def.h"
   8
   9static int qla2x00_sns_ga_nxt(scsi_qla_host_t *, fc_port_t *);
  10static int qla2x00_sns_gid_pt(scsi_qla_host_t *, sw_info_t *);
  11static int qla2x00_sns_gpn_id(scsi_qla_host_t *, sw_info_t *);
  12static int qla2x00_sns_gnn_id(scsi_qla_host_t *, sw_info_t *);
  13static int qla2x00_sns_rft_id(scsi_qla_host_t *);
  14static int qla2x00_sns_rnn_id(scsi_qla_host_t *);
  15
  16/**
  17 * qla2x00_prep_ms_iocb() - Prepare common MS/CT IOCB fields for SNS CT query.
  18 * @ha: HA context
  19 * @req_size: request size in bytes
  20 * @rsp_size: response size in bytes
  21 *
  22 * Returns a pointer to the @ha's ms_iocb.
  23 */
  24void *
  25qla2x00_prep_ms_iocb(scsi_qla_host_t *ha, uint32_t req_size, uint32_t rsp_size)
  26{
  27        ms_iocb_entry_t *ms_pkt;
  28
  29        ms_pkt = ha->ms_iocb;
  30        memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
  31
  32        ms_pkt->entry_type = MS_IOCB_TYPE;
  33        ms_pkt->entry_count = 1;
  34        SET_TARGET_ID(ha, ms_pkt->loop_id, SIMPLE_NAME_SERVER);
  35        ms_pkt->control_flags = __constant_cpu_to_le16(CF_READ | CF_HEAD_TAG);
  36        ms_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
  37        ms_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
  38        ms_pkt->total_dsd_count = __constant_cpu_to_le16(2);
  39        ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
  40        ms_pkt->req_bytecount = cpu_to_le32(req_size);
  41
  42        ms_pkt->dseg_req_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
  43        ms_pkt->dseg_req_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
  44        ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
  45
  46        ms_pkt->dseg_rsp_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
  47        ms_pkt->dseg_rsp_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
  48        ms_pkt->dseg_rsp_length = ms_pkt->rsp_bytecount;
  49
  50        return (ms_pkt);
  51}
  52
  53/**
  54 * qla24xx_prep_ms_iocb() - Prepare common CT IOCB fields for SNS CT query.
  55 * @ha: HA context
  56 * @req_size: request size in bytes
  57 * @rsp_size: response size in bytes
  58 *
  59 * Returns a pointer to the @ha's ms_iocb.
  60 */
  61void *
  62qla24xx_prep_ms_iocb(scsi_qla_host_t *ha, uint32_t req_size, uint32_t rsp_size)
  63{
  64        struct ct_entry_24xx *ct_pkt;
  65
  66        ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
  67        memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
  68
  69        ct_pkt->entry_type = CT_IOCB_TYPE;
  70        ct_pkt->entry_count = 1;
  71        ct_pkt->nport_handle = __constant_cpu_to_le16(NPH_SNS);
  72        ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
  73        ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
  74        ct_pkt->rsp_dsd_count = __constant_cpu_to_le16(1);
  75        ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
  76        ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
  77
  78        ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
  79        ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
  80        ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
  81
  82        ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
  83        ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
  84        ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
  85        ct_pkt->vp_index = ha->vp_idx;
  86
  87        return (ct_pkt);
  88}
  89
  90/**
  91 * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
  92 * @ct_req: CT request buffer
  93 * @cmd: GS command
  94 * @rsp_size: response size in bytes
  95 *
  96 * Returns a pointer to the intitialized @ct_req.
  97 */
  98static inline struct ct_sns_req *
  99qla2x00_prep_ct_req(struct ct_sns_req *ct_req, uint16_t cmd, uint16_t rsp_size)
 100{
 101        memset(ct_req, 0, sizeof(struct ct_sns_pkt));
 102
 103        ct_req->header.revision = 0x01;
 104        ct_req->header.gs_type = 0xFC;
 105        ct_req->header.gs_subtype = 0x02;
 106        ct_req->command = cpu_to_be16(cmd);
 107        ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
 108
 109        return (ct_req);
 110}
 111
 112static int
 113qla2x00_chk_ms_status(scsi_qla_host_t *ha, ms_iocb_entry_t *ms_pkt,
 114    struct ct_sns_rsp *ct_rsp, const char *routine)
 115{
 116        int rval;
 117        uint16_t comp_status;
 118
 119        rval = QLA_FUNCTION_FAILED;
 120        if (ms_pkt->entry_status != 0) {
 121                DEBUG2_3(printk("scsi(%ld): %s failed, error status (%x).\n",
 122                    ha->host_no, routine, ms_pkt->entry_status));
 123        } else {
 124                if (IS_FWI2_CAPABLE(ha))
 125                        comp_status = le16_to_cpu(
 126                            ((struct ct_entry_24xx *)ms_pkt)->comp_status);
 127                else
 128                        comp_status = le16_to_cpu(ms_pkt->status);
 129                switch (comp_status) {
 130                case CS_COMPLETE:
 131                case CS_DATA_UNDERRUN:
 132                case CS_DATA_OVERRUN:           /* Overrun? */
 133                        if (ct_rsp->header.response !=
 134                            __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
 135                                DEBUG2_3(printk("scsi(%ld): %s failed, "
 136                                    "rejected request:\n", ha->host_no,
 137                                    routine));
 138                                DEBUG2_3(qla2x00_dump_buffer(
 139                                    (uint8_t *)&ct_rsp->header,
 140                                    sizeof(struct ct_rsp_hdr)));
 141                                rval = QLA_INVALID_COMMAND;
 142                        } else
 143                                rval = QLA_SUCCESS;
 144                        break;
 145                default:
 146                        DEBUG2_3(printk("scsi(%ld): %s failed, completion "
 147                            "status (%x).\n", ha->host_no, routine,
 148                            comp_status));
 149                        break;
 150                }
 151        }
 152        return rval;
 153}
 154
 155/**
 156 * qla2x00_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
 157 * @ha: HA context
 158 * @fcport: fcport entry to updated
 159 *
 160 * Returns 0 on success.
 161 */
 162int
 163qla2x00_ga_nxt(scsi_qla_host_t *ha, fc_port_t *fcport)
 164{
 165        int             rval;
 166
 167        ms_iocb_entry_t *ms_pkt;
 168        struct ct_sns_req       *ct_req;
 169        struct ct_sns_rsp       *ct_rsp;
 170
 171        if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 172                return (qla2x00_sns_ga_nxt(ha, fcport));
 173        }
 174
 175        /* Issue GA_NXT */
 176        /* Prepare common MS IOCB */
 177        ms_pkt = ha->isp_ops->prep_ms_iocb(ha, GA_NXT_REQ_SIZE,
 178            GA_NXT_RSP_SIZE);
 179
 180        /* Prepare CT request */
 181        ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GA_NXT_CMD,
 182            GA_NXT_RSP_SIZE);
 183        ct_rsp = &ha->ct_sns->p.rsp;
 184
 185        /* Prepare CT arguments -- port_id */
 186        ct_req->req.port_id.port_id[0] = fcport->d_id.b.domain;
 187        ct_req->req.port_id.port_id[1] = fcport->d_id.b.area;
 188        ct_req->req.port_id.port_id[2] = fcport->d_id.b.al_pa;
 189
 190        /* Execute MS IOCB */
 191        rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 192            sizeof(ms_iocb_entry_t));
 193        if (rval != QLA_SUCCESS) {
 194                /*EMPTY*/
 195                DEBUG2_3(printk("scsi(%ld): GA_NXT issue IOCB failed (%d).\n",
 196                    ha->host_no, rval));
 197        } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "GA_NXT") !=
 198            QLA_SUCCESS) {
 199                rval = QLA_FUNCTION_FAILED;
 200        } else {
 201                /* Populate fc_port_t entry. */
 202                fcport->d_id.b.domain = ct_rsp->rsp.ga_nxt.port_id[0];
 203                fcport->d_id.b.area = ct_rsp->rsp.ga_nxt.port_id[1];
 204                fcport->d_id.b.al_pa = ct_rsp->rsp.ga_nxt.port_id[2];
 205
 206                memcpy(fcport->node_name, ct_rsp->rsp.ga_nxt.node_name,
 207                    WWN_SIZE);
 208                memcpy(fcport->port_name, ct_rsp->rsp.ga_nxt.port_name,
 209                    WWN_SIZE);
 210
 211                if (ct_rsp->rsp.ga_nxt.port_type != NS_N_PORT_TYPE &&
 212                    ct_rsp->rsp.ga_nxt.port_type != NS_NL_PORT_TYPE)
 213                        fcport->d_id.b.domain = 0xf0;
 214
 215                DEBUG2_3(printk("scsi(%ld): GA_NXT entry - "
 216                    "nn %02x%02x%02x%02x%02x%02x%02x%02x "
 217                    "pn %02x%02x%02x%02x%02x%02x%02x%02x "
 218                    "portid=%02x%02x%02x.\n",
 219                    ha->host_no,
 220                    fcport->node_name[0], fcport->node_name[1],
 221                    fcport->node_name[2], fcport->node_name[3],
 222                    fcport->node_name[4], fcport->node_name[5],
 223                    fcport->node_name[6], fcport->node_name[7],
 224                    fcport->port_name[0], fcport->port_name[1],
 225                    fcport->port_name[2], fcport->port_name[3],
 226                    fcport->port_name[4], fcport->port_name[5],
 227                    fcport->port_name[6], fcport->port_name[7],
 228                    fcport->d_id.b.domain, fcport->d_id.b.area,
 229                    fcport->d_id.b.al_pa));
 230        }
 231
 232        return (rval);
 233}
 234
 235/**
 236 * qla2x00_gid_pt() - SNS scan for fabric devices via GID_PT command.
 237 * @ha: HA context
 238 * @list: switch info entries to populate
 239 *
 240 * NOTE: Non-Nx_Ports are not requested.
 241 *
 242 * Returns 0 on success.
 243 */
 244int
 245qla2x00_gid_pt(scsi_qla_host_t *ha, sw_info_t *list)
 246{
 247        int             rval;
 248        uint16_t        i;
 249
 250        ms_iocb_entry_t *ms_pkt;
 251        struct ct_sns_req       *ct_req;
 252        struct ct_sns_rsp       *ct_rsp;
 253
 254        struct ct_sns_gid_pt_data *gid_data;
 255
 256        if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 257                return (qla2x00_sns_gid_pt(ha, list));
 258        }
 259
 260        gid_data = NULL;
 261
 262        /* Issue GID_PT */
 263        /* Prepare common MS IOCB */
 264        ms_pkt = ha->isp_ops->prep_ms_iocb(ha, GID_PT_REQ_SIZE,
 265            GID_PT_RSP_SIZE);
 266
 267        /* Prepare CT request */
 268        ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GID_PT_CMD,
 269            GID_PT_RSP_SIZE);
 270        ct_rsp = &ha->ct_sns->p.rsp;
 271
 272        /* Prepare CT arguments -- port_type */
 273        ct_req->req.gid_pt.port_type = NS_NX_PORT_TYPE;
 274
 275        /* Execute MS IOCB */
 276        rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 277            sizeof(ms_iocb_entry_t));
 278        if (rval != QLA_SUCCESS) {
 279                /*EMPTY*/
 280                DEBUG2_3(printk("scsi(%ld): GID_PT issue IOCB failed (%d).\n",
 281                    ha->host_no, rval));
 282        } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "GID_PT") !=
 283            QLA_SUCCESS) {
 284                rval = QLA_FUNCTION_FAILED;
 285        } else {
 286                /* Set port IDs in switch info list. */
 287                for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
 288                        gid_data = &ct_rsp->rsp.gid_pt.entries[i];
 289                        list[i].d_id.b.domain = gid_data->port_id[0];
 290                        list[i].d_id.b.area = gid_data->port_id[1];
 291                        list[i].d_id.b.al_pa = gid_data->port_id[2];
 292                        memset(list[i].fabric_port_name, 0, WWN_SIZE);
 293                        list[i].fp_speed = PORT_SPEED_UNKNOWN;
 294
 295                        /* Last one exit. */
 296                        if (gid_data->control_byte & BIT_7) {
 297                                list[i].d_id.b.rsvd_1 = gid_data->control_byte;
 298                                break;
 299                        }
 300                }
 301
 302                /*
 303                 * If we've used all available slots, then the switch is
 304                 * reporting back more devices than we can handle with this
 305                 * single call.  Return a failed status, and let GA_NXT handle
 306                 * the overload.
 307                 */
 308                if (i == MAX_FIBRE_DEVICES)
 309                        rval = QLA_FUNCTION_FAILED;
 310        }
 311
 312        return (rval);
 313}
 314
 315/**
 316 * qla2x00_gpn_id() - SNS Get Port Name (GPN_ID) query.
 317 * @ha: HA context
 318 * @list: switch info entries to populate
 319 *
 320 * Returns 0 on success.
 321 */
 322int
 323qla2x00_gpn_id(scsi_qla_host_t *ha, sw_info_t *list)
 324{
 325        int             rval;
 326        uint16_t        i;
 327
 328        ms_iocb_entry_t *ms_pkt;
 329        struct ct_sns_req       *ct_req;
 330        struct ct_sns_rsp       *ct_rsp;
 331
 332        if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 333                return (qla2x00_sns_gpn_id(ha, list));
 334        }
 335
 336        for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
 337                /* Issue GPN_ID */
 338                /* Prepare common MS IOCB */
 339                ms_pkt = ha->isp_ops->prep_ms_iocb(ha, GPN_ID_REQ_SIZE,
 340                    GPN_ID_RSP_SIZE);
 341
 342                /* Prepare CT request */
 343                ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GPN_ID_CMD,
 344                    GPN_ID_RSP_SIZE);
 345                ct_rsp = &ha->ct_sns->p.rsp;
 346
 347                /* Prepare CT arguments -- port_id */
 348                ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
 349                ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
 350                ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
 351
 352                /* Execute MS IOCB */
 353                rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 354                    sizeof(ms_iocb_entry_t));
 355                if (rval != QLA_SUCCESS) {
 356                        /*EMPTY*/
 357                        DEBUG2_3(printk("scsi(%ld): GPN_ID issue IOCB failed "
 358                            "(%d).\n", ha->host_no, rval));
 359                } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp,
 360                    "GPN_ID") != QLA_SUCCESS) {
 361                        rval = QLA_FUNCTION_FAILED;
 362                } else {
 363                        /* Save portname */
 364                        memcpy(list[i].port_name,
 365                            ct_rsp->rsp.gpn_id.port_name, WWN_SIZE);
 366                }
 367
 368                /* Last device exit. */
 369                if (list[i].d_id.b.rsvd_1 != 0)
 370                        break;
 371        }
 372
 373        return (rval);
 374}
 375
 376/**
 377 * qla2x00_gnn_id() - SNS Get Node Name (GNN_ID) query.
 378 * @ha: HA context
 379 * @list: switch info entries to populate
 380 *
 381 * Returns 0 on success.
 382 */
 383int
 384qla2x00_gnn_id(scsi_qla_host_t *ha, sw_info_t *list)
 385{
 386        int             rval;
 387        uint16_t        i;
 388
 389        ms_iocb_entry_t *ms_pkt;
 390        struct ct_sns_req       *ct_req;
 391        struct ct_sns_rsp       *ct_rsp;
 392
 393        if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 394                return (qla2x00_sns_gnn_id(ha, list));
 395        }
 396
 397        for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
 398                /* Issue GNN_ID */
 399                /* Prepare common MS IOCB */
 400                ms_pkt = ha->isp_ops->prep_ms_iocb(ha, GNN_ID_REQ_SIZE,
 401                    GNN_ID_RSP_SIZE);
 402
 403                /* Prepare CT request */
 404                ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GNN_ID_CMD,
 405                    GNN_ID_RSP_SIZE);
 406                ct_rsp = &ha->ct_sns->p.rsp;
 407
 408                /* Prepare CT arguments -- port_id */
 409                ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
 410                ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
 411                ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
 412
 413                /* Execute MS IOCB */
 414                rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 415                    sizeof(ms_iocb_entry_t));
 416                if (rval != QLA_SUCCESS) {
 417                        /*EMPTY*/
 418                        DEBUG2_3(printk("scsi(%ld): GNN_ID issue IOCB failed "
 419                            "(%d).\n", ha->host_no, rval));
 420                } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp,
 421                    "GNN_ID") != QLA_SUCCESS) {
 422                        rval = QLA_FUNCTION_FAILED;
 423                } else {
 424                        /* Save nodename */
 425                        memcpy(list[i].node_name,
 426                            ct_rsp->rsp.gnn_id.node_name, WWN_SIZE);
 427
 428                        DEBUG2_3(printk("scsi(%ld): GID_PT entry - "
 429                            "nn %02x%02x%02x%02x%02x%02x%02x%02x "
 430                            "pn %02x%02x%02x%02x%02x%02x%02x%02x "
 431                            "portid=%02x%02x%02x.\n",
 432                            ha->host_no,
 433                            list[i].node_name[0], list[i].node_name[1],
 434                            list[i].node_name[2], list[i].node_name[3],
 435                            list[i].node_name[4], list[i].node_name[5],
 436                            list[i].node_name[6], list[i].node_name[7],
 437                            list[i].port_name[0], list[i].port_name[1],
 438                            list[i].port_name[2], list[i].port_name[3],
 439                            list[i].port_name[4], list[i].port_name[5],
 440                            list[i].port_name[6], list[i].port_name[7],
 441                            list[i].d_id.b.domain, list[i].d_id.b.area,
 442                            list[i].d_id.b.al_pa));
 443                }
 444
 445                /* Last device exit. */
 446                if (list[i].d_id.b.rsvd_1 != 0)
 447                        break;
 448        }
 449
 450        return (rval);
 451}
 452
 453/**
 454 * qla2x00_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
 455 * @ha: HA context
 456 *
 457 * Returns 0 on success.
 458 */
 459int
 460qla2x00_rft_id(scsi_qla_host_t *ha)
 461{
 462        int             rval;
 463
 464        ms_iocb_entry_t *ms_pkt;
 465        struct ct_sns_req       *ct_req;
 466        struct ct_sns_rsp       *ct_rsp;
 467
 468        if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 469                return (qla2x00_sns_rft_id(ha));
 470        }
 471
 472        /* Issue RFT_ID */
 473        /* Prepare common MS IOCB */
 474        ms_pkt = ha->isp_ops->prep_ms_iocb(ha, RFT_ID_REQ_SIZE,
 475            RFT_ID_RSP_SIZE);
 476
 477        /* Prepare CT request */
 478        ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFT_ID_CMD,
 479            RFT_ID_RSP_SIZE);
 480        ct_rsp = &ha->ct_sns->p.rsp;
 481
 482        /* Prepare CT arguments -- port_id, FC-4 types */
 483        ct_req->req.rft_id.port_id[0] = ha->d_id.b.domain;
 484        ct_req->req.rft_id.port_id[1] = ha->d_id.b.area;
 485        ct_req->req.rft_id.port_id[2] = ha->d_id.b.al_pa;
 486
 487        ct_req->req.rft_id.fc4_types[2] = 0x01;         /* FCP-3 */
 488
 489        /* Execute MS IOCB */
 490        rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 491            sizeof(ms_iocb_entry_t));
 492        if (rval != QLA_SUCCESS) {
 493                /*EMPTY*/
 494                DEBUG2_3(printk("scsi(%ld): RFT_ID issue IOCB failed (%d).\n",
 495                    ha->host_no, rval));
 496        } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RFT_ID") !=
 497            QLA_SUCCESS) {
 498                rval = QLA_FUNCTION_FAILED;
 499        } else {
 500                DEBUG2(printk("scsi(%ld): RFT_ID exiting normally.\n",
 501                    ha->host_no));
 502        }
 503
 504        return (rval);
 505}
 506
 507/**
 508 * qla2x00_rff_id() - SNS Register FC-4 Features (RFF_ID) supported by the HBA.
 509 * @ha: HA context
 510 *
 511 * Returns 0 on success.
 512 */
 513int
 514qla2x00_rff_id(scsi_qla_host_t *ha)
 515{
 516        int             rval;
 517
 518        ms_iocb_entry_t *ms_pkt;
 519        struct ct_sns_req       *ct_req;
 520        struct ct_sns_rsp       *ct_rsp;
 521
 522        if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 523                DEBUG2(printk("scsi(%ld): RFF_ID call unsupported on "
 524                    "ISP2100/ISP2200.\n", ha->host_no));
 525                return (QLA_SUCCESS);
 526        }
 527
 528        /* Issue RFF_ID */
 529        /* Prepare common MS IOCB */
 530        ms_pkt = ha->isp_ops->prep_ms_iocb(ha, RFF_ID_REQ_SIZE,
 531            RFF_ID_RSP_SIZE);
 532
 533        /* Prepare CT request */
 534        ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFF_ID_CMD,
 535            RFF_ID_RSP_SIZE);
 536        ct_rsp = &ha->ct_sns->p.rsp;
 537
 538        /* Prepare CT arguments -- port_id, FC-4 feature, FC-4 type */
 539        ct_req->req.rff_id.port_id[0] = ha->d_id.b.domain;
 540        ct_req->req.rff_id.port_id[1] = ha->d_id.b.area;
 541        ct_req->req.rff_id.port_id[2] = ha->d_id.b.al_pa;
 542
 543        ct_req->req.rff_id.fc4_feature = BIT_1;
 544        ct_req->req.rff_id.fc4_type = 0x08;             /* SCSI - FCP */
 545
 546        /* Execute MS IOCB */
 547        rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 548            sizeof(ms_iocb_entry_t));
 549        if (rval != QLA_SUCCESS) {
 550                /*EMPTY*/
 551                DEBUG2_3(printk("scsi(%ld): RFF_ID issue IOCB failed (%d).\n",
 552                    ha->host_no, rval));
 553        } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RFF_ID") !=
 554            QLA_SUCCESS) {
 555                rval = QLA_FUNCTION_FAILED;
 556        } else {
 557                DEBUG2(printk("scsi(%ld): RFF_ID exiting normally.\n",
 558                    ha->host_no));
 559        }
 560
 561        return (rval);
 562}
 563
 564/**
 565 * qla2x00_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
 566 * @ha: HA context
 567 *
 568 * Returns 0 on success.
 569 */
 570int
 571qla2x00_rnn_id(scsi_qla_host_t *ha)
 572{
 573        int             rval;
 574
 575        ms_iocb_entry_t *ms_pkt;
 576        struct ct_sns_req       *ct_req;
 577        struct ct_sns_rsp       *ct_rsp;
 578
 579        if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 580                return (qla2x00_sns_rnn_id(ha));
 581        }
 582
 583        /* Issue RNN_ID */
 584        /* Prepare common MS IOCB */
 585        ms_pkt = ha->isp_ops->prep_ms_iocb(ha, RNN_ID_REQ_SIZE,
 586            RNN_ID_RSP_SIZE);
 587
 588        /* Prepare CT request */
 589        ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RNN_ID_CMD,
 590            RNN_ID_RSP_SIZE);
 591        ct_rsp = &ha->ct_sns->p.rsp;
 592
 593        /* Prepare CT arguments -- port_id, node_name */
 594        ct_req->req.rnn_id.port_id[0] = ha->d_id.b.domain;
 595        ct_req->req.rnn_id.port_id[1] = ha->d_id.b.area;
 596        ct_req->req.rnn_id.port_id[2] = ha->d_id.b.al_pa;
 597
 598        memcpy(ct_req->req.rnn_id.node_name, ha->node_name, WWN_SIZE);
 599
 600        /* Execute MS IOCB */
 601        rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 602            sizeof(ms_iocb_entry_t));
 603        if (rval != QLA_SUCCESS) {
 604                /*EMPTY*/
 605                DEBUG2_3(printk("scsi(%ld): RNN_ID issue IOCB failed (%d).\n",
 606                    ha->host_no, rval));
 607        } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RNN_ID") !=
 608            QLA_SUCCESS) {
 609                rval = QLA_FUNCTION_FAILED;
 610        } else {
 611                DEBUG2(printk("scsi(%ld): RNN_ID exiting normally.\n",
 612                    ha->host_no));
 613        }
 614
 615        return (rval);
 616}
 617
 618void
 619qla2x00_get_sym_node_name(scsi_qla_host_t *ha, uint8_t *snn)
 620{
 621        sprintf(snn, "%s FW:v%d.%02d.%02d DVR:v%s",ha->model_number,
 622            ha->fw_major_version, ha->fw_minor_version,
 623            ha->fw_subminor_version, qla2x00_version_str);
 624}
 625
 626/**
 627 * qla2x00_rsnn_nn() - SNS Register Symbolic Node Name (RSNN_NN) of the HBA.
 628 * @ha: HA context
 629 *
 630 * Returns 0 on success.
 631 */
 632int
 633qla2x00_rsnn_nn(scsi_qla_host_t *ha)
 634{
 635        int             rval;
 636        ms_iocb_entry_t *ms_pkt;
 637        struct ct_sns_req       *ct_req;
 638        struct ct_sns_rsp       *ct_rsp;
 639
 640        if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 641                DEBUG2(printk("scsi(%ld): RSNN_ID call unsupported on "
 642                    "ISP2100/ISP2200.\n", ha->host_no));
 643                return (QLA_SUCCESS);
 644        }
 645
 646        /* Issue RSNN_NN */
 647        /* Prepare common MS IOCB */
 648        /*   Request size adjusted after CT preparation */
 649        ms_pkt = ha->isp_ops->prep_ms_iocb(ha, 0, RSNN_NN_RSP_SIZE);
 650
 651        /* Prepare CT request */
 652        ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RSNN_NN_CMD,
 653            RSNN_NN_RSP_SIZE);
 654        ct_rsp = &ha->ct_sns->p.rsp;
 655
 656        /* Prepare CT arguments -- node_name, symbolic node_name, size */
 657        memcpy(ct_req->req.rsnn_nn.node_name, ha->node_name, WWN_SIZE);
 658
 659        /* Prepare the Symbolic Node Name */
 660        qla2x00_get_sym_node_name(ha, ct_req->req.rsnn_nn.sym_node_name);
 661
 662        /* Calculate SNN length */
 663        ct_req->req.rsnn_nn.name_len =
 664            (uint8_t)strlen(ct_req->req.rsnn_nn.sym_node_name);
 665
 666        /* Update MS IOCB request */
 667        ms_pkt->req_bytecount =
 668            cpu_to_le32(24 + 1 + ct_req->req.rsnn_nn.name_len);
 669        ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
 670
 671        /* Execute MS IOCB */
 672        rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 673            sizeof(ms_iocb_entry_t));
 674        if (rval != QLA_SUCCESS) {
 675                /*EMPTY*/
 676                DEBUG2_3(printk("scsi(%ld): RSNN_NN issue IOCB failed (%d).\n",
 677                    ha->host_no, rval));
 678        } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RSNN_NN") !=
 679            QLA_SUCCESS) {
 680                rval = QLA_FUNCTION_FAILED;
 681        } else {
 682                DEBUG2(printk("scsi(%ld): RSNN_NN exiting normally.\n",
 683                    ha->host_no));
 684        }
 685
 686        return (rval);
 687}
 688
 689/**
 690 * qla2x00_prep_sns_cmd() - Prepare common SNS command request fields for query.
 691 * @ha: HA context
 692 * @cmd: GS command
 693 * @scmd_len: Subcommand length
 694 * @data_size: response size in bytes
 695 *
 696 * Returns a pointer to the @ha's sns_cmd.
 697 */
 698static inline struct sns_cmd_pkt *
 699qla2x00_prep_sns_cmd(scsi_qla_host_t *ha, uint16_t cmd, uint16_t scmd_len,
 700    uint16_t data_size)
 701{
 702        uint16_t                wc;
 703        struct sns_cmd_pkt      *sns_cmd;
 704
 705        sns_cmd = ha->sns_cmd;
 706        memset(sns_cmd, 0, sizeof(struct sns_cmd_pkt));
 707        wc = data_size / 2;                     /* Size in 16bit words. */
 708        sns_cmd->p.cmd.buffer_length = cpu_to_le16(wc);
 709        sns_cmd->p.cmd.buffer_address[0] = cpu_to_le32(LSD(ha->sns_cmd_dma));
 710        sns_cmd->p.cmd.buffer_address[1] = cpu_to_le32(MSD(ha->sns_cmd_dma));
 711        sns_cmd->p.cmd.subcommand_length = cpu_to_le16(scmd_len);
 712        sns_cmd->p.cmd.subcommand = cpu_to_le16(cmd);
 713        wc = (data_size - 16) / 4;              /* Size in 32bit words. */
 714        sns_cmd->p.cmd.size = cpu_to_le16(wc);
 715
 716        return (sns_cmd);
 717}
 718
 719/**
 720 * qla2x00_sns_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
 721 * @ha: HA context
 722 * @fcport: fcport entry to updated
 723 *
 724 * This command uses the old Exectute SNS Command mailbox routine.
 725 *
 726 * Returns 0 on success.
 727 */
 728static int
 729qla2x00_sns_ga_nxt(scsi_qla_host_t *ha, fc_port_t *fcport)
 730{
 731        int             rval;
 732
 733        struct sns_cmd_pkt      *sns_cmd;
 734
 735        /* Issue GA_NXT. */
 736        /* Prepare SNS command request. */
 737        sns_cmd = qla2x00_prep_sns_cmd(ha, GA_NXT_CMD, GA_NXT_SNS_SCMD_LEN,
 738            GA_NXT_SNS_DATA_SIZE);
 739
 740        /* Prepare SNS command arguments -- port_id. */
 741        sns_cmd->p.cmd.param[0] = fcport->d_id.b.al_pa;
 742        sns_cmd->p.cmd.param[1] = fcport->d_id.b.area;
 743        sns_cmd->p.cmd.param[2] = fcport->d_id.b.domain;
 744
 745        /* Execute SNS command. */
 746        rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, GA_NXT_SNS_CMD_SIZE / 2,
 747            sizeof(struct sns_cmd_pkt));
 748        if (rval != QLA_SUCCESS) {
 749                /*EMPTY*/
 750                DEBUG2_3(printk("scsi(%ld): GA_NXT Send SNS failed (%d).\n",
 751                    ha->host_no, rval));
 752        } else if (sns_cmd->p.gan_data[8] != 0x80 ||
 753            sns_cmd->p.gan_data[9] != 0x02) {
 754                DEBUG2_3(printk("scsi(%ld): GA_NXT failed, rejected request, "
 755                    "ga_nxt_rsp:\n", ha->host_no));
 756                DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gan_data, 16));
 757                rval = QLA_FUNCTION_FAILED;
 758        } else {
 759                /* Populate fc_port_t entry. */
 760                fcport->d_id.b.domain = sns_cmd->p.gan_data[17];
 761                fcport->d_id.b.area = sns_cmd->p.gan_data[18];
 762                fcport->d_id.b.al_pa = sns_cmd->p.gan_data[19];
 763
 764                memcpy(fcport->node_name, &sns_cmd->p.gan_data[284], WWN_SIZE);
 765                memcpy(fcport->port_name, &sns_cmd->p.gan_data[20], WWN_SIZE);
 766
 767                if (sns_cmd->p.gan_data[16] != NS_N_PORT_TYPE &&
 768                    sns_cmd->p.gan_data[16] != NS_NL_PORT_TYPE)
 769                        fcport->d_id.b.domain = 0xf0;
 770
 771                DEBUG2_3(printk("scsi(%ld): GA_NXT entry - "
 772                    "nn %02x%02x%02x%02x%02x%02x%02x%02x "
 773                    "pn %02x%02x%02x%02x%02x%02x%02x%02x "
 774                    "portid=%02x%02x%02x.\n",
 775                    ha->host_no,
 776                    fcport->node_name[0], fcport->node_name[1],
 777                    fcport->node_name[2], fcport->node_name[3],
 778                    fcport->node_name[4], fcport->node_name[5],
 779                    fcport->node_name[6], fcport->node_name[7],
 780                    fcport->port_name[0], fcport->port_name[1],
 781                    fcport->port_name[2], fcport->port_name[3],
 782                    fcport->port_name[4], fcport->port_name[5],
 783                    fcport->port_name[6], fcport->port_name[7],
 784                    fcport->d_id.b.domain, fcport->d_id.b.area,
 785                    fcport->d_id.b.al_pa));
 786        }
 787
 788        return (rval);
 789}
 790
 791/**
 792 * qla2x00_sns_gid_pt() - SNS scan for fabric devices via GID_PT command.
 793 * @ha: HA context
 794 * @list: switch info entries to populate
 795 *
 796 * This command uses the old Exectute SNS Command mailbox routine.
 797 *
 798 * NOTE: Non-Nx_Ports are not requested.
 799 *
 800 * Returns 0 on success.
 801 */
 802static int
 803qla2x00_sns_gid_pt(scsi_qla_host_t *ha, sw_info_t *list)
 804{
 805        int             rval;
 806
 807        uint16_t        i;
 808        uint8_t         *entry;
 809        struct sns_cmd_pkt      *sns_cmd;
 810
 811        /* Issue GID_PT. */
 812        /* Prepare SNS command request. */
 813        sns_cmd = qla2x00_prep_sns_cmd(ha, GID_PT_CMD, GID_PT_SNS_SCMD_LEN,
 814            GID_PT_SNS_DATA_SIZE);
 815
 816        /* Prepare SNS command arguments -- port_type. */
 817        sns_cmd->p.cmd.param[0] = NS_NX_PORT_TYPE;
 818
 819        /* Execute SNS command. */
 820        rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, GID_PT_SNS_CMD_SIZE / 2,
 821            sizeof(struct sns_cmd_pkt));
 822        if (rval != QLA_SUCCESS) {
 823                /*EMPTY*/
 824                DEBUG2_3(printk("scsi(%ld): GID_PT Send SNS failed (%d).\n",
 825                    ha->host_no, rval));
 826        } else if (sns_cmd->p.gid_data[8] != 0x80 ||
 827            sns_cmd->p.gid_data[9] != 0x02) {
 828                DEBUG2_3(printk("scsi(%ld): GID_PT failed, rejected request, "
 829                    "gid_rsp:\n", ha->host_no));
 830                DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gid_data, 16));
 831                rval = QLA_FUNCTION_FAILED;
 832        } else {
 833                /* Set port IDs in switch info list. */
 834                for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
 835                        entry = &sns_cmd->p.gid_data[(i * 4) + 16];
 836                        list[i].d_id.b.domain = entry[1];
 837                        list[i].d_id.b.area = entry[2];
 838                        list[i].d_id.b.al_pa = entry[3];
 839
 840                        /* Last one exit. */
 841                        if (entry[0] & BIT_7) {
 842                                list[i].d_id.b.rsvd_1 = entry[0];
 843                                break;
 844                        }
 845                }
 846
 847                /*
 848                 * If we've used all available slots, then the switch is
 849                 * reporting back more devices that we can handle with this
 850                 * single call.  Return a failed status, and let GA_NXT handle
 851                 * the overload.
 852                 */
 853                if (i == MAX_FIBRE_DEVICES)
 854                        rval = QLA_FUNCTION_FAILED;
 855        }
 856
 857        return (rval);
 858}
 859
 860/**
 861 * qla2x00_sns_gpn_id() - SNS Get Port Name (GPN_ID) query.
 862 * @ha: HA context
 863 * @list: switch info entries to populate
 864 *
 865 * This command uses the old Exectute SNS Command mailbox routine.
 866 *
 867 * Returns 0 on success.
 868 */
 869static int
 870qla2x00_sns_gpn_id(scsi_qla_host_t *ha, sw_info_t *list)
 871{
 872        int             rval;
 873
 874        uint16_t        i;
 875        struct sns_cmd_pkt      *sns_cmd;
 876
 877        for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
 878                /* Issue GPN_ID */
 879                /* Prepare SNS command request. */
 880                sns_cmd = qla2x00_prep_sns_cmd(ha, GPN_ID_CMD,
 881                    GPN_ID_SNS_SCMD_LEN, GPN_ID_SNS_DATA_SIZE);
 882
 883                /* Prepare SNS command arguments -- port_id. */
 884                sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
 885                sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
 886                sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
 887
 888                /* Execute SNS command. */
 889                rval = qla2x00_send_sns(ha, ha->sns_cmd_dma,
 890                    GPN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
 891                if (rval != QLA_SUCCESS) {
 892                        /*EMPTY*/
 893                        DEBUG2_3(printk("scsi(%ld): GPN_ID Send SNS failed "
 894                            "(%d).\n", ha->host_no, rval));
 895                } else if (sns_cmd->p.gpn_data[8] != 0x80 ||
 896                    sns_cmd->p.gpn_data[9] != 0x02) {
 897                        DEBUG2_3(printk("scsi(%ld): GPN_ID failed, rejected "
 898                            "request, gpn_rsp:\n", ha->host_no));
 899                        DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gpn_data, 16));
 900                        rval = QLA_FUNCTION_FAILED;
 901                } else {
 902                        /* Save portname */
 903                        memcpy(list[i].port_name, &sns_cmd->p.gpn_data[16],
 904                            WWN_SIZE);
 905                }
 906
 907                /* Last device exit. */
 908                if (list[i].d_id.b.rsvd_1 != 0)
 909                        break;
 910        }
 911
 912        return (rval);
 913}
 914
 915/**
 916 * qla2x00_sns_gnn_id() - SNS Get Node Name (GNN_ID) query.
 917 * @ha: HA context
 918 * @list: switch info entries to populate
 919 *
 920 * This command uses the old Exectute SNS Command mailbox routine.
 921 *
 922 * Returns 0 on success.
 923 */
 924static int
 925qla2x00_sns_gnn_id(scsi_qla_host_t *ha, sw_info_t *list)
 926{
 927        int             rval;
 928
 929        uint16_t        i;
 930        struct sns_cmd_pkt      *sns_cmd;
 931
 932        for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
 933                /* Issue GNN_ID */
 934                /* Prepare SNS command request. */
 935                sns_cmd = qla2x00_prep_sns_cmd(ha, GNN_ID_CMD,
 936                    GNN_ID_SNS_SCMD_LEN, GNN_ID_SNS_DATA_SIZE);
 937
 938                /* Prepare SNS command arguments -- port_id. */
 939                sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
 940                sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
 941                sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
 942
 943                /* Execute SNS command. */
 944                rval = qla2x00_send_sns(ha, ha->sns_cmd_dma,
 945                    GNN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
 946                if (rval != QLA_SUCCESS) {
 947                        /*EMPTY*/
 948                        DEBUG2_3(printk("scsi(%ld): GNN_ID Send SNS failed "
 949                            "(%d).\n", ha->host_no, rval));
 950                } else if (sns_cmd->p.gnn_data[8] != 0x80 ||
 951                    sns_cmd->p.gnn_data[9] != 0x02) {
 952                        DEBUG2_3(printk("scsi(%ld): GNN_ID failed, rejected "
 953                            "request, gnn_rsp:\n", ha->host_no));
 954                        DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gnn_data, 16));
 955                        rval = QLA_FUNCTION_FAILED;
 956                } else {
 957                        /* Save nodename */
 958                        memcpy(list[i].node_name, &sns_cmd->p.gnn_data[16],
 959                            WWN_SIZE);
 960
 961                        DEBUG2_3(printk("scsi(%ld): GID_PT entry - "
 962                            "nn %02x%02x%02x%02x%02x%02x%02x%02x "
 963                            "pn %02x%02x%02x%02x%02x%02x%02x%02x "
 964                            "portid=%02x%02x%02x.\n",
 965                            ha->host_no,
 966                            list[i].node_name[0], list[i].node_name[1],
 967                            list[i].node_name[2], list[i].node_name[3],
 968                            list[i].node_name[4], list[i].node_name[5],
 969                            list[i].node_name[6], list[i].node_name[7],
 970                            list[i].port_name[0], list[i].port_name[1],
 971                            list[i].port_name[2], list[i].port_name[3],
 972                            list[i].port_name[4], list[i].port_name[5],
 973                            list[i].port_name[6], list[i].port_name[7],
 974                            list[i].d_id.b.domain, list[i].d_id.b.area,
 975                            list[i].d_id.b.al_pa));
 976                }
 977
 978                /* Last device exit. */
 979                if (list[i].d_id.b.rsvd_1 != 0)
 980                        break;
 981        }
 982
 983        return (rval);
 984}
 985
 986/**
 987 * qla2x00_snd_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
 988 * @ha: HA context
 989 *
 990 * This command uses the old Exectute SNS Command mailbox routine.
 991 *
 992 * Returns 0 on success.
 993 */
 994static int
 995qla2x00_sns_rft_id(scsi_qla_host_t *ha)
 996{
 997        int             rval;
 998
 999        struct sns_cmd_pkt      *sns_cmd;
1000
1001        /* Issue RFT_ID. */
1002        /* Prepare SNS command request. */
1003        sns_cmd = qla2x00_prep_sns_cmd(ha, RFT_ID_CMD, RFT_ID_SNS_SCMD_LEN,
1004            RFT_ID_SNS_DATA_SIZE);
1005
1006        /* Prepare SNS command arguments -- port_id, FC-4 types */
1007        sns_cmd->p.cmd.param[0] = ha->d_id.b.al_pa;
1008        sns_cmd->p.cmd.param[1] = ha->d_id.b.area;
1009        sns_cmd->p.cmd.param[2] = ha->d_id.b.domain;
1010
1011        sns_cmd->p.cmd.param[5] = 0x01;                 /* FCP-3 */
1012
1013        /* Execute SNS command. */
1014        rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, RFT_ID_SNS_CMD_SIZE / 2,
1015            sizeof(struct sns_cmd_pkt));
1016        if (rval != QLA_SUCCESS) {
1017                /*EMPTY*/
1018                DEBUG2_3(printk("scsi(%ld): RFT_ID Send SNS failed (%d).\n",
1019                    ha->host_no, rval));
1020        } else if (sns_cmd->p.rft_data[8] != 0x80 ||
1021            sns_cmd->p.rft_data[9] != 0x02) {
1022                DEBUG2_3(printk("scsi(%ld): RFT_ID failed, rejected request, "
1023                    "rft_rsp:\n", ha->host_no));
1024                DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.rft_data, 16));
1025                rval = QLA_FUNCTION_FAILED;
1026        } else {
1027                DEBUG2(printk("scsi(%ld): RFT_ID exiting normally.\n",
1028                    ha->host_no));
1029        }
1030
1031        return (rval);
1032}
1033
1034/**
1035 * qla2x00_sns_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
1036 * HBA.
1037 * @ha: HA context
1038 *
1039 * This command uses the old Exectute SNS Command mailbox routine.
1040 *
1041 * Returns 0 on success.
1042 */
1043static int
1044qla2x00_sns_rnn_id(scsi_qla_host_t *ha)
1045{
1046        int             rval;
1047
1048        struct sns_cmd_pkt      *sns_cmd;
1049
1050        /* Issue RNN_ID. */
1051        /* Prepare SNS command request. */
1052        sns_cmd = qla2x00_prep_sns_cmd(ha, RNN_ID_CMD, RNN_ID_SNS_SCMD_LEN,
1053            RNN_ID_SNS_DATA_SIZE);
1054
1055        /* Prepare SNS command arguments -- port_id, nodename. */
1056        sns_cmd->p.cmd.param[0] = ha->d_id.b.al_pa;
1057        sns_cmd->p.cmd.param[1] = ha->d_id.b.area;
1058        sns_cmd->p.cmd.param[2] = ha->d_id.b.domain;
1059
1060        sns_cmd->p.cmd.param[4] = ha->node_name[7];
1061        sns_cmd->p.cmd.param[5] = ha->node_name[6];
1062        sns_cmd->p.cmd.param[6] = ha->node_name[5];
1063        sns_cmd->p.cmd.param[7] = ha->node_name[4];
1064        sns_cmd->p.cmd.param[8] = ha->node_name[3];
1065        sns_cmd->p.cmd.param[9] = ha->node_name[2];
1066        sns_cmd->p.cmd.param[10] = ha->node_name[1];
1067        sns_cmd->p.cmd.param[11] = ha->node_name[0];
1068
1069        /* Execute SNS command. */
1070        rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, RNN_ID_SNS_CMD_SIZE / 2,
1071            sizeof(struct sns_cmd_pkt));
1072        if (rval != QLA_SUCCESS) {
1073                /*EMPTY*/
1074                DEBUG2_3(printk("scsi(%ld): RNN_ID Send SNS failed (%d).\n",
1075                    ha->host_no, rval));
1076        } else if (sns_cmd->p.rnn_data[8] != 0x80 ||
1077            sns_cmd->p.rnn_data[9] != 0x02) {
1078                DEBUG2_3(printk("scsi(%ld): RNN_ID failed, rejected request, "
1079                    "rnn_rsp:\n", ha->host_no));
1080                DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.rnn_data, 16));
1081                rval = QLA_FUNCTION_FAILED;
1082        } else {
1083                DEBUG2(printk("scsi(%ld): RNN_ID exiting normally.\n",
1084                    ha->host_no));
1085        }
1086
1087        return (rval);
1088}
1089
1090/**
1091 * qla2x00_mgmt_svr_login() - Login to fabric Management Service.
1092 * @ha: HA context
1093 *
1094 * Returns 0 on success.
1095 */
1096static int
1097qla2x00_mgmt_svr_login(scsi_qla_host_t *ha)
1098{
1099        int ret;
1100        uint16_t mb[MAILBOX_REGISTER_COUNT];
1101
1102        ret = QLA_SUCCESS;
1103        if (ha->flags.management_server_logged_in)
1104                return ret;
1105
1106        ha->isp_ops->fabric_login(ha, ha->mgmt_svr_loop_id, 0xff, 0xff, 0xfa,
1107            mb, BIT_1);
1108        if (mb[0] != MBS_COMMAND_COMPLETE) {
1109                DEBUG2_13(printk("%s(%ld): Failed MANAGEMENT_SERVER login: "
1110                    "loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x\n",
1111                    __func__, ha->host_no, ha->mgmt_svr_loop_id, mb[0], mb[1],
1112                    mb[2], mb[6], mb[7]));
1113                ret = QLA_FUNCTION_FAILED;
1114        } else
1115                ha->flags.management_server_logged_in = 1;
1116
1117        return ret;
1118}
1119
1120/**
1121 * qla2x00_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
1122 * @ha: HA context
1123 * @req_size: request size in bytes
1124 * @rsp_size: response size in bytes
1125 *
1126 * Returns a pointer to the @ha's ms_iocb.
1127 */
1128void *
1129qla2x00_prep_ms_fdmi_iocb(scsi_qla_host_t *ha, uint32_t req_size,
1130    uint32_t rsp_size)
1131{
1132        ms_iocb_entry_t *ms_pkt;
1133
1134        ms_pkt = ha->ms_iocb;
1135        memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
1136
1137        ms_pkt->entry_type = MS_IOCB_TYPE;
1138        ms_pkt->entry_count = 1;
1139        SET_TARGET_ID(ha, ms_pkt->loop_id, ha->mgmt_svr_loop_id);
1140        ms_pkt->control_flags = __constant_cpu_to_le16(CF_READ | CF_HEAD_TAG);
1141        ms_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1142        ms_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
1143        ms_pkt->total_dsd_count = __constant_cpu_to_le16(2);
1144        ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
1145        ms_pkt->req_bytecount = cpu_to_le32(req_size);
1146
1147        ms_pkt->dseg_req_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1148        ms_pkt->dseg_req_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1149        ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
1150
1151        ms_pkt->dseg_rsp_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1152        ms_pkt->dseg_rsp_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1153        ms_pkt->dseg_rsp_length = ms_pkt->rsp_bytecount;
1154
1155        return ms_pkt;
1156}
1157
1158/**
1159 * qla24xx_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
1160 * @ha: HA context
1161 * @req_size: request size in bytes
1162 * @rsp_size: response size in bytes
1163 *
1164 * Returns a pointer to the @ha's ms_iocb.
1165 */
1166void *
1167qla24xx_prep_ms_fdmi_iocb(scsi_qla_host_t *ha, uint32_t req_size,
1168    uint32_t rsp_size)
1169{
1170        struct ct_entry_24xx *ct_pkt;
1171
1172        ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1173        memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
1174
1175        ct_pkt->entry_type = CT_IOCB_TYPE;
1176        ct_pkt->entry_count = 1;
1177        ct_pkt->nport_handle = cpu_to_le16(ha->mgmt_svr_loop_id);
1178        ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1179        ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
1180        ct_pkt->rsp_dsd_count = __constant_cpu_to_le16(1);
1181        ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
1182        ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1183
1184        ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1185        ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1186        ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
1187
1188        ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1189        ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1190        ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
1191        ct_pkt->vp_index = ha->vp_idx;
1192
1193        return ct_pkt;
1194}
1195
1196static inline ms_iocb_entry_t *
1197qla2x00_update_ms_fdmi_iocb(scsi_qla_host_t *ha, uint32_t req_size)
1198{
1199        ms_iocb_entry_t *ms_pkt = ha->ms_iocb;
1200        struct ct_entry_24xx *ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1201
1202        if (IS_FWI2_CAPABLE(ha)) {
1203                ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1204                ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
1205        } else {
1206                ms_pkt->req_bytecount = cpu_to_le32(req_size);
1207                ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
1208        }
1209
1210        return ms_pkt;
1211}
1212
1213/**
1214 * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
1215 * @ct_req: CT request buffer
1216 * @cmd: GS command
1217 * @rsp_size: response size in bytes
1218 *
1219 * Returns a pointer to the intitialized @ct_req.
1220 */
1221static inline struct ct_sns_req *
1222qla2x00_prep_ct_fdmi_req(struct ct_sns_req *ct_req, uint16_t cmd,
1223    uint16_t rsp_size)
1224{
1225        memset(ct_req, 0, sizeof(struct ct_sns_pkt));
1226
1227        ct_req->header.revision = 0x01;
1228        ct_req->header.gs_type = 0xFA;
1229        ct_req->header.gs_subtype = 0x10;
1230        ct_req->command = cpu_to_be16(cmd);
1231        ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
1232
1233        return ct_req;
1234}
1235
1236/**
1237 * qla2x00_fdmi_rhba() -
1238 * @ha: HA context
1239 *
1240 * Returns 0 on success.
1241 */
1242static int
1243qla2x00_fdmi_rhba(scsi_qla_host_t *ha)
1244{
1245        int rval, alen;
1246        uint32_t size, sn;
1247
1248        ms_iocb_entry_t *ms_pkt;
1249        struct ct_sns_req *ct_req;
1250        struct ct_sns_rsp *ct_rsp;
1251        uint8_t *entries;
1252        struct ct_fdmi_hba_attr *eiter;
1253
1254        /* Issue RHBA */
1255        /* Prepare common MS IOCB */
1256        /*   Request size adjusted after CT preparation */
1257        ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(ha, 0, RHBA_RSP_SIZE);
1258
1259        /* Prepare CT request */
1260        ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, RHBA_CMD,
1261            RHBA_RSP_SIZE);
1262        ct_rsp = &ha->ct_sns->p.rsp;
1263
1264        /* Prepare FDMI command arguments -- attribute block, attributes. */
1265        memcpy(ct_req->req.rhba.hba_identifier, ha->port_name, WWN_SIZE);
1266        ct_req->req.rhba.entry_count = __constant_cpu_to_be32(1);
1267        memcpy(ct_req->req.rhba.port_name, ha->port_name, WWN_SIZE);
1268        size = 2 * WWN_SIZE + 4 + 4;
1269
1270        /* Attributes */
1271        ct_req->req.rhba.attrs.count =
1272            __constant_cpu_to_be32(FDMI_HBA_ATTR_COUNT);
1273        entries = ct_req->req.rhba.hba_identifier;
1274
1275        /* Nodename. */
1276        eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1277        eiter->type = __constant_cpu_to_be16(FDMI_HBA_NODE_NAME);
1278        eiter->len = __constant_cpu_to_be16(4 + WWN_SIZE);
1279        memcpy(eiter->a.node_name, ha->node_name, WWN_SIZE);
1280        size += 4 + WWN_SIZE;
1281
1282        DEBUG13(printk("%s(%ld): NODENAME=%02x%02x%02x%02x%02x%02x%02x%02x.\n",
1283            __func__, ha->host_no,
1284            eiter->a.node_name[0], eiter->a.node_name[1], eiter->a.node_name[2],
1285            eiter->a.node_name[3], eiter->a.node_name[4], eiter->a.node_name[5],
1286            eiter->a.node_name[6], eiter->a.node_name[7]));
1287
1288        /* Manufacturer. */
1289        eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1290        eiter->type = __constant_cpu_to_be16(FDMI_HBA_MANUFACTURER);
1291        strcpy(eiter->a.manufacturer, "QLogic Corporation");
1292        alen = strlen(eiter->a.manufacturer);
1293        alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1294        eiter->len = cpu_to_be16(4 + alen);
1295        size += 4 + alen;
1296
1297        DEBUG13(printk("%s(%ld): MANUFACTURER=%s.\n", __func__, ha->host_no,
1298            eiter->a.manufacturer));
1299
1300        /* Serial number. */
1301        eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1302        eiter->type = __constant_cpu_to_be16(FDMI_HBA_SERIAL_NUMBER);
1303        sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
1304        sprintf(eiter->a.serial_num, "%c%05d", 'A' + sn / 100000, sn % 100000);
1305        alen = strlen(eiter->a.serial_num);
1306        alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1307        eiter->len = cpu_to_be16(4 + alen);
1308        size += 4 + alen;
1309
1310        DEBUG13(printk("%s(%ld): SERIALNO=%s.\n", __func__, ha->host_no,
1311            eiter->a.serial_num));
1312
1313        /* Model name. */
1314        eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1315        eiter->type = __constant_cpu_to_be16(FDMI_HBA_MODEL);
1316        strcpy(eiter->a.model, ha->model_number);
1317        alen = strlen(eiter->a.model);
1318        alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1319        eiter->len = cpu_to_be16(4 + alen);
1320        size += 4 + alen;
1321
1322        DEBUG13(printk("%s(%ld): MODEL_NAME=%s.\n", __func__, ha->host_no,
1323            eiter->a.model));
1324
1325        /* Model description. */
1326        eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1327        eiter->type = __constant_cpu_to_be16(FDMI_HBA_MODEL_DESCRIPTION);
1328        if (ha->model_desc)
1329                strncpy(eiter->a.model_desc, ha->model_desc, 80);
1330        alen = strlen(eiter->a.model_desc);
1331        alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1332        eiter->len = cpu_to_be16(4 + alen);
1333        size += 4 + alen;
1334
1335        DEBUG13(printk("%s(%ld): MODEL_DESC=%s.\n", __func__, ha->host_no,
1336            eiter->a.model_desc));
1337
1338        /* Hardware version. */
1339        eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1340        eiter->type = __constant_cpu_to_be16(FDMI_HBA_HARDWARE_VERSION);
1341        strcpy(eiter->a.hw_version, ha->adapter_id);
1342        alen = strlen(eiter->a.hw_version);
1343        alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1344        eiter->len = cpu_to_be16(4 + alen);
1345        size += 4 + alen;
1346
1347        DEBUG13(printk("%s(%ld): HARDWAREVER=%s.\n", __func__, ha->host_no,
1348            eiter->a.hw_version));
1349
1350        /* Driver version. */
1351        eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1352        eiter->type = __constant_cpu_to_be16(FDMI_HBA_DRIVER_VERSION);
1353        strcpy(eiter->a.driver_version, qla2x00_version_str);
1354        alen = strlen(eiter->a.driver_version);
1355        alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1356        eiter->len = cpu_to_be16(4 + alen);
1357        size += 4 + alen;
1358
1359        DEBUG13(printk("%s(%ld): DRIVERVER=%s.\n", __func__, ha->host_no,
1360            eiter->a.driver_version));
1361
1362        /* Option ROM version. */
1363        eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1364        eiter->type = __constant_cpu_to_be16(FDMI_HBA_OPTION_ROM_VERSION);
1365        strcpy(eiter->a.orom_version, "0.00");
1366        alen = strlen(eiter->a.orom_version);
1367        alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1368        eiter->len = cpu_to_be16(4 + alen);
1369        size += 4 + alen;
1370
1371        DEBUG13(printk("%s(%ld): OPTROMVER=%s.\n", __func__, ha->host_no,
1372            eiter->a.orom_version));
1373
1374        /* Firmware version */
1375        eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1376        eiter->type = __constant_cpu_to_be16(FDMI_HBA_FIRMWARE_VERSION);
1377        ha->isp_ops->fw_version_str(ha, eiter->a.fw_version);
1378        alen = strlen(eiter->a.fw_version);
1379        alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1380        eiter->len = cpu_to_be16(4 + alen);
1381        size += 4 + alen;
1382
1383        DEBUG13(printk("%s(%ld): FIRMWAREVER=%s.\n", __func__, ha->host_no,
1384            eiter->a.fw_version));
1385
1386        /* Update MS request size. */
1387        qla2x00_update_ms_fdmi_iocb(ha, size + 16);
1388
1389        DEBUG13(printk("%s(%ld): RHBA identifier="
1390            "%02x%02x%02x%02x%02x%02x%02x%02x size=%d.\n", __func__,
1391            ha->host_no, ct_req->req.rhba.hba_identifier[0],
1392            ct_req->req.rhba.hba_identifier[1],
1393            ct_req->req.rhba.hba_identifier[2],
1394            ct_req->req.rhba.hba_identifier[3],
1395            ct_req->req.rhba.hba_identifier[4],
1396            ct_req->req.rhba.hba_identifier[5],
1397            ct_req->req.rhba.hba_identifier[6],
1398            ct_req->req.rhba.hba_identifier[7], size));
1399        DEBUG13(qla2x00_dump_buffer(entries, size));
1400
1401        /* Execute MS IOCB */
1402        rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1403            sizeof(ms_iocb_entry_t));
1404        if (rval != QLA_SUCCESS) {
1405                /*EMPTY*/
1406                DEBUG2_3(printk("scsi(%ld): RHBA issue IOCB failed (%d).\n",
1407                    ha->host_no, rval));
1408        } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RHBA") !=
1409            QLA_SUCCESS) {
1410                rval = QLA_FUNCTION_FAILED;
1411                if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
1412                    ct_rsp->header.explanation_code ==
1413                    CT_EXPL_ALREADY_REGISTERED) {
1414                        DEBUG2_13(printk("%s(%ld): HBA already registered.\n",
1415                            __func__, ha->host_no));
1416                        rval = QLA_ALREADY_REGISTERED;
1417                }
1418        } else {
1419                DEBUG2(printk("scsi(%ld): RHBA exiting normally.\n",
1420                    ha->host_no));
1421        }
1422
1423        return rval;
1424}
1425
1426/**
1427 * qla2x00_fdmi_dhba() -
1428 * @ha: HA context
1429 *
1430 * Returns 0 on success.
1431 */
1432static int
1433qla2x00_fdmi_dhba(scsi_qla_host_t *ha)
1434{
1435        int rval;
1436
1437        ms_iocb_entry_t *ms_pkt;
1438        struct ct_sns_req *ct_req;
1439        struct ct_sns_rsp *ct_rsp;
1440
1441        /* Issue RPA */
1442        /* Prepare common MS IOCB */
1443        ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(ha, DHBA_REQ_SIZE,
1444            DHBA_RSP_SIZE);
1445
1446        /* Prepare CT request */
1447        ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, DHBA_CMD,
1448            DHBA_RSP_SIZE);
1449        ct_rsp = &ha->ct_sns->p.rsp;
1450
1451        /* Prepare FDMI command arguments -- portname. */
1452        memcpy(ct_req->req.dhba.port_name, ha->port_name, WWN_SIZE);
1453
1454        DEBUG13(printk("%s(%ld): DHBA portname="
1455            "%02x%02x%02x%02x%02x%02x%02x%02x.\n", __func__, ha->host_no,
1456            ct_req->req.dhba.port_name[0], ct_req->req.dhba.port_name[1],
1457            ct_req->req.dhba.port_name[2], ct_req->req.dhba.port_name[3],
1458            ct_req->req.dhba.port_name[4], ct_req->req.dhba.port_name[5],
1459            ct_req->req.dhba.port_name[6], ct_req->req.dhba.port_name[7]));
1460
1461        /* Execute MS IOCB */
1462        rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1463            sizeof(ms_iocb_entry_t));
1464        if (rval != QLA_SUCCESS) {
1465                /*EMPTY*/
1466                DEBUG2_3(printk("scsi(%ld): DHBA issue IOCB failed (%d).\n",
1467                    ha->host_no, rval));
1468        } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "DHBA") !=
1469            QLA_SUCCESS) {
1470                rval = QLA_FUNCTION_FAILED;
1471        } else {
1472                DEBUG2(printk("scsi(%ld): DHBA exiting normally.\n",
1473                    ha->host_no));
1474        }
1475
1476        return rval;
1477}
1478
1479/**
1480 * qla2x00_fdmi_rpa() -
1481 * @ha: HA context
1482 *
1483 * Returns 0 on success.
1484 */
1485static int
1486qla2x00_fdmi_rpa(scsi_qla_host_t *ha)
1487{
1488        int rval, alen;
1489        uint32_t size, max_frame_size;
1490
1491        ms_iocb_entry_t *ms_pkt;
1492        struct ct_sns_req *ct_req;
1493        struct ct_sns_rsp *ct_rsp;
1494        uint8_t *entries;
1495        struct ct_fdmi_port_attr *eiter;
1496        struct init_cb_24xx *icb24 = (struct init_cb_24xx *)ha->init_cb;
1497
1498        /* Issue RPA */
1499        /* Prepare common MS IOCB */
1500        /*   Request size adjusted after CT preparation */
1501        ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(ha, 0, RPA_RSP_SIZE);
1502
1503        /* Prepare CT request */
1504        ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, RPA_CMD,
1505            RPA_RSP_SIZE);
1506        ct_rsp = &ha->ct_sns->p.rsp;
1507
1508        /* Prepare FDMI command arguments -- attribute block, attributes. */
1509        memcpy(ct_req->req.rpa.port_name, ha->port_name, WWN_SIZE);
1510        size = WWN_SIZE + 4;
1511
1512        /* Attributes */
1513        ct_req->req.rpa.attrs.count =
1514            __constant_cpu_to_be32(FDMI_PORT_ATTR_COUNT - 1);
1515        entries = ct_req->req.rpa.port_name;
1516
1517        /* FC4 types. */
1518        eiter = (struct ct_fdmi_port_attr *) (entries + size);
1519        eiter->type = __constant_cpu_to_be16(FDMI_PORT_FC4_TYPES);
1520        eiter->len = __constant_cpu_to_be16(4 + 32);
1521        eiter->a.fc4_types[2] = 0x01;
1522        size += 4 + 32;
1523
1524        DEBUG13(printk("%s(%ld): FC4_TYPES=%02x %02x.\n", __func__, ha->host_no,
1525            eiter->a.fc4_types[2], eiter->a.fc4_types[1]));
1526
1527        /* Supported speed. */
1528        eiter = (struct ct_fdmi_port_attr *) (entries + size);
1529        eiter->type = __constant_cpu_to_be16(FDMI_PORT_SUPPORT_SPEED);
1530        eiter->len = __constant_cpu_to_be16(4 + 4);
1531        if (IS_QLA25XX(ha))
1532                eiter->a.sup_speed = __constant_cpu_to_be32(
1533                    FDMI_PORT_SPEED_1GB|FDMI_PORT_SPEED_2GB|
1534                    FDMI_PORT_SPEED_4GB|FDMI_PORT_SPEED_8GB);
1535        else if (IS_QLA24XX_TYPE(ha))
1536                eiter->a.sup_speed = __constant_cpu_to_be32(
1537                    FDMI_PORT_SPEED_1GB|FDMI_PORT_SPEED_2GB|
1538                    FDMI_PORT_SPEED_4GB);
1539        else if (IS_QLA23XX(ha))
1540                eiter->a.sup_speed =__constant_cpu_to_be32(
1541                    FDMI_PORT_SPEED_1GB|FDMI_PORT_SPEED_2GB);
1542        else
1543                eiter->a.sup_speed = __constant_cpu_to_be32(
1544                    FDMI_PORT_SPEED_1GB);
1545        size += 4 + 4;
1546
1547        DEBUG13(printk("%s(%ld): SUPPORTED_SPEED=%x.\n", __func__, ha->host_no,
1548            eiter->a.sup_speed));
1549
1550        /* Current speed. */
1551        eiter = (struct ct_fdmi_port_attr *) (entries + size);
1552        eiter->type = __constant_cpu_to_be16(FDMI_PORT_CURRENT_SPEED);
1553        eiter->len = __constant_cpu_to_be16(4 + 4);
1554        switch (ha->link_data_rate) {
1555        case PORT_SPEED_1GB:
1556                eiter->a.cur_speed =
1557                    __constant_cpu_to_be32(FDMI_PORT_SPEED_1GB);
1558                break;
1559        case PORT_SPEED_2GB:
1560                eiter->a.cur_speed =
1561                    __constant_cpu_to_be32(FDMI_PORT_SPEED_2GB);
1562                break;
1563        case PORT_SPEED_4GB:
1564                eiter->a.cur_speed =
1565                    __constant_cpu_to_be32(FDMI_PORT_SPEED_4GB);
1566                break;
1567        case PORT_SPEED_8GB:
1568                eiter->a.cur_speed =
1569                    __constant_cpu_to_be32(FDMI_PORT_SPEED_8GB);
1570                break;
1571        default:
1572                eiter->a.cur_speed =
1573                    __constant_cpu_to_be32(FDMI_PORT_SPEED_UNKNOWN);
1574                break;
1575        }
1576        size += 4 + 4;
1577
1578        DEBUG13(printk("%s(%ld): CURRENT_SPEED=%x.\n", __func__, ha->host_no,
1579            eiter->a.cur_speed));
1580
1581        /* Max frame size. */
1582        eiter = (struct ct_fdmi_port_attr *) (entries + size);
1583        eiter->type = __constant_cpu_to_be16(FDMI_PORT_MAX_FRAME_SIZE);
1584        eiter->len = __constant_cpu_to_be16(4 + 4);
1585        max_frame_size = IS_FWI2_CAPABLE(ha) ?
1586            le16_to_cpu(icb24->frame_payload_size):
1587            le16_to_cpu(ha->init_cb->frame_payload_size);
1588        eiter->a.max_frame_size = cpu_to_be32(max_frame_size);
1589        size += 4 + 4;
1590
1591        DEBUG13(printk("%s(%ld): MAX_FRAME_SIZE=%x.\n", __func__, ha->host_no,
1592            eiter->a.max_frame_size));
1593
1594        /* OS device name. */
1595        eiter = (struct ct_fdmi_port_attr *) (entries + size);
1596        eiter->type = __constant_cpu_to_be16(FDMI_PORT_OS_DEVICE_NAME);
1597        strcpy(eiter->a.os_dev_name, QLA2XXX_DRIVER_NAME);
1598        alen = strlen(eiter->a.os_dev_name);
1599        alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1600        eiter->len = cpu_to_be16(4 + alen);
1601        size += 4 + alen;
1602
1603        DEBUG13(printk("%s(%ld): OS_DEVICE_NAME=%s.\n", __func__, ha->host_no,
1604            eiter->a.os_dev_name));
1605
1606        /* Hostname. */
1607        if (strlen(fc_host_system_hostname(ha->host))) {
1608                ct_req->req.rpa.attrs.count =
1609                    __constant_cpu_to_be32(FDMI_PORT_ATTR_COUNT);
1610                eiter = (struct ct_fdmi_port_attr *) (entries + size);
1611                eiter->type = __constant_cpu_to_be16(FDMI_PORT_HOST_NAME);
1612                snprintf(eiter->a.host_name, sizeof(eiter->a.host_name),
1613                    "%s", fc_host_system_hostname(ha->host));
1614                alen = strlen(eiter->a.host_name);
1615                alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1616                eiter->len = cpu_to_be16(4 + alen);
1617                size += 4 + alen;
1618
1619                DEBUG13(printk("%s(%ld): HOSTNAME=%s.\n", __func__,
1620                    ha->host_no, eiter->a.host_name));
1621        }
1622
1623        /* Update MS request size. */
1624        qla2x00_update_ms_fdmi_iocb(ha, size + 16);
1625
1626        DEBUG13(printk("%s(%ld): RPA portname="
1627            "%02x%02x%02x%02x%02x%02x%02x%02x size=%d.\n", __func__,
1628            ha->host_no, ct_req->req.rpa.port_name[0],
1629            ct_req->req.rpa.port_name[1], ct_req->req.rpa.port_name[2],
1630            ct_req->req.rpa.port_name[3], ct_req->req.rpa.port_name[4],
1631            ct_req->req.rpa.port_name[5], ct_req->req.rpa.port_name[6],
1632            ct_req->req.rpa.port_name[7], size));
1633        DEBUG13(qla2x00_dump_buffer(entries, size));
1634
1635        /* Execute MS IOCB */
1636        rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1637            sizeof(ms_iocb_entry_t));
1638        if (rval != QLA_SUCCESS) {
1639                /*EMPTY*/
1640                DEBUG2_3(printk("scsi(%ld): RPA issue IOCB failed (%d).\n",
1641                    ha->host_no, rval));
1642        } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RPA") !=
1643            QLA_SUCCESS) {
1644                rval = QLA_FUNCTION_FAILED;
1645        } else {
1646                DEBUG2(printk("scsi(%ld): RPA exiting normally.\n",
1647                    ha->host_no));
1648        }
1649
1650        return rval;
1651}
1652
1653/**
1654 * qla2x00_fdmi_register() -
1655 * @ha: HA context
1656 *
1657 * Returns 0 on success.
1658 */
1659int
1660qla2x00_fdmi_register(scsi_qla_host_t *ha)
1661{
1662        int rval;
1663
1664        if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1665                DEBUG2(printk("scsi(%ld): FDMI unsupported on "
1666                    "ISP2100/ISP2200.\n", ha->host_no));
1667                return QLA_SUCCESS;
1668        }
1669
1670        rval = qla2x00_mgmt_svr_login(ha);
1671        if (rval)
1672                return rval;
1673
1674        rval = qla2x00_fdmi_rhba(ha);
1675        if (rval) {
1676                if (rval != QLA_ALREADY_REGISTERED)
1677                        return rval;
1678
1679                rval = qla2x00_fdmi_dhba(ha);
1680                if (rval)
1681                        return rval;
1682
1683                rval = qla2x00_fdmi_rhba(ha);
1684                if (rval)
1685                        return rval;
1686        }
1687        rval = qla2x00_fdmi_rpa(ha);
1688
1689        return rval;
1690}
1691
1692/**
1693 * qla2x00_gfpn_id() - SNS Get Fabric Port Name (GFPN_ID) query.
1694 * @ha: HA context
1695 * @list: switch info entries to populate
1696 *
1697 * Returns 0 on success.
1698 */
1699int
1700qla2x00_gfpn_id(scsi_qla_host_t *ha, sw_info_t *list)
1701{
1702        int             rval;
1703        uint16_t        i;
1704
1705        ms_iocb_entry_t *ms_pkt;
1706        struct ct_sns_req       *ct_req;
1707        struct ct_sns_rsp       *ct_rsp;
1708
1709        if (!IS_IIDMA_CAPABLE(ha))
1710                return QLA_FUNCTION_FAILED;
1711
1712        for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
1713                /* Issue GFPN_ID */
1714                /* Prepare common MS IOCB */
1715                ms_pkt = ha->isp_ops->prep_ms_iocb(ha, GFPN_ID_REQ_SIZE,
1716                    GFPN_ID_RSP_SIZE);
1717
1718                /* Prepare CT request */
1719                ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GFPN_ID_CMD,
1720                    GFPN_ID_RSP_SIZE);
1721                ct_rsp = &ha->ct_sns->p.rsp;
1722
1723                /* Prepare CT arguments -- port_id */
1724                ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
1725                ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
1726                ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
1727
1728                /* Execute MS IOCB */
1729                rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1730                    sizeof(ms_iocb_entry_t));
1731                if (rval != QLA_SUCCESS) {
1732                        /*EMPTY*/
1733                        DEBUG2_3(printk("scsi(%ld): GFPN_ID issue IOCB "
1734                            "failed (%d).\n", ha->host_no, rval));
1735                } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp,
1736                    "GFPN_ID") != QLA_SUCCESS) {
1737                        rval = QLA_FUNCTION_FAILED;
1738                } else {
1739                        /* Save fabric portname */
1740                        memcpy(list[i].fabric_port_name,
1741                            ct_rsp->rsp.gfpn_id.port_name, WWN_SIZE);
1742                }
1743
1744                /* Last device exit. */
1745                if (list[i].d_id.b.rsvd_1 != 0)
1746                        break;
1747        }
1748
1749        return (rval);
1750}
1751
1752static inline void *
1753qla24xx_prep_ms_fm_iocb(scsi_qla_host_t *ha, uint32_t req_size,
1754    uint32_t rsp_size)
1755{
1756        struct ct_entry_24xx *ct_pkt;
1757
1758        ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1759        memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
1760
1761        ct_pkt->entry_type = CT_IOCB_TYPE;
1762        ct_pkt->entry_count = 1;
1763        ct_pkt->nport_handle = cpu_to_le16(ha->mgmt_svr_loop_id);
1764        ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1765        ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
1766        ct_pkt->rsp_dsd_count = __constant_cpu_to_le16(1);
1767        ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
1768        ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1769
1770        ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1771        ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1772        ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
1773
1774        ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1775        ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1776        ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
1777        ct_pkt->vp_index = ha->vp_idx;
1778
1779        return ct_pkt;
1780}
1781
1782
1783static inline struct ct_sns_req *
1784qla24xx_prep_ct_fm_req(struct ct_sns_req *ct_req, uint16_t cmd,
1785    uint16_t rsp_size)
1786{
1787        memset(ct_req, 0, sizeof(struct ct_sns_pkt));
1788
1789        ct_req->header.revision = 0x01;
1790        ct_req->header.gs_type = 0xFA;
1791        ct_req->header.gs_subtype = 0x01;
1792        ct_req->command = cpu_to_be16(cmd);
1793        ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
1794
1795        return ct_req;
1796}
1797
1798/**
1799 * qla2x00_gpsc() - FCS Get Port Speed Capabilities (GPSC) query.
1800 * @ha: HA context
1801 * @list: switch info entries to populate
1802 *
1803 * Returns 0 on success.
1804 */
1805int
1806qla2x00_gpsc(scsi_qla_host_t *ha, sw_info_t *list)
1807{
1808        int             rval;
1809        uint16_t        i;
1810
1811        ms_iocb_entry_t *ms_pkt;
1812        struct ct_sns_req       *ct_req;
1813        struct ct_sns_rsp       *ct_rsp;
1814
1815        if (!IS_IIDMA_CAPABLE(ha))
1816                return QLA_FUNCTION_FAILED;
1817        if (!ha->flags.gpsc_supported)
1818                return QLA_FUNCTION_FAILED;
1819
1820        rval = qla2x00_mgmt_svr_login(ha);
1821        if (rval)
1822                return rval;
1823
1824        for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
1825                /* Issue GFPN_ID */
1826                /* Prepare common MS IOCB */
1827                ms_pkt = qla24xx_prep_ms_fm_iocb(ha, GPSC_REQ_SIZE,
1828                    GPSC_RSP_SIZE);
1829
1830                /* Prepare CT request */
1831                ct_req = qla24xx_prep_ct_fm_req(&ha->ct_sns->p.req,
1832                    GPSC_CMD, GPSC_RSP_SIZE);
1833                ct_rsp = &ha->ct_sns->p.rsp;
1834
1835                /* Prepare CT arguments -- port_name */
1836                memcpy(ct_req->req.gpsc.port_name, list[i].fabric_port_name,
1837                    WWN_SIZE);
1838
1839                /* Execute MS IOCB */
1840                rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1841                    sizeof(ms_iocb_entry_t));
1842                if (rval != QLA_SUCCESS) {
1843                        /*EMPTY*/
1844                        DEBUG2_3(printk("scsi(%ld): GPSC issue IOCB "
1845                            "failed (%d).\n", ha->host_no, rval));
1846                } else if ((rval = qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp,
1847                    "GPSC")) != QLA_SUCCESS) {
1848                        /* FM command unsupported? */
1849                        if (rval == QLA_INVALID_COMMAND &&
1850                            (ct_rsp->header.reason_code ==
1851                                CT_REASON_INVALID_COMMAND_CODE ||
1852                             ct_rsp->header.reason_code ==
1853                                CT_REASON_COMMAND_UNSUPPORTED)) {
1854                                DEBUG2(printk("scsi(%ld): GPSC command "
1855                                    "unsupported, disabling query...\n",
1856                                    ha->host_no));
1857                                ha->flags.gpsc_supported = 0;
1858                                rval = QLA_FUNCTION_FAILED;
1859                                break;
1860                        }
1861                        rval = QLA_FUNCTION_FAILED;
1862                } else {
1863                        /* Save port-speed */
1864                        switch (be16_to_cpu(ct_rsp->rsp.gpsc.speed)) {
1865                        case BIT_15:
1866                                list[i].fp_speed = PORT_SPEED_1GB;
1867                                break;
1868                        case BIT_14:
1869                                list[i].fp_speed = PORT_SPEED_2GB;
1870                                break;
1871                        case BIT_13:
1872                                list[i].fp_speed = PORT_SPEED_4GB;
1873                                break;
1874                        case BIT_11:
1875                                list[i].fp_speed = PORT_SPEED_8GB;
1876                                break;
1877                        }
1878
1879                        DEBUG2_3(printk("scsi(%ld): GPSC ext entry - "
1880                            "fpn %02x%02x%02x%02x%02x%02x%02x%02x speeds=%04x "
1881                            "speed=%04x.\n", ha->host_no,
1882                            list[i].fabric_port_name[0],
1883                            list[i].fabric_port_name[1],
1884                            list[i].fabric_port_name[2],
1885                            list[i].fabric_port_name[3],
1886                            list[i].fabric_port_name[4],
1887                            list[i].fabric_port_name[5],
1888                            list[i].fabric_port_name[6],
1889                            list[i].fabric_port_name[7],
1890                            be16_to_cpu(ct_rsp->rsp.gpsc.speeds),
1891                            be16_to_cpu(ct_rsp->rsp.gpsc.speed)));
1892                }
1893
1894                /* Last device exit. */
1895                if (list[i].d_id.b.rsvd_1 != 0)
1896                        break;
1897        }
1898
1899        return (rval);
1900}
1901
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