drivers/scsi/qla2xxx/qla_gs.c

   1 /*
   2  *                  QLOGIC LINUX SOFTWARE
   3  *
   4  * QLogic ISP2x00 device driver for Linux 2.6.x
   5  * Copyright (C) 2003-2004 QLogic Corporation
   6  * (www.qlogic.com)
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by the
  10  * Free Software Foundation; either version 2, or (at your option) any
  11  * later version.
  12  *
  13  * This program is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  */
  19 #include "qla_os.h"
  20
  21 #include "qla_def.h"
  22
  23 static inline ms_iocb_entry_t *
  24 qla2x00_prep_ms_iocb(scsi_qla_host_t *, uint32_t, uint32_t);
  25
  26 static inline struct ct_sns_req *
  27 qla2x00_prep_ct_req(struct ct_sns_req *, uint16_t, uint16_t);
  28
  29 static inline struct sns_cmd_pkt *
  30 qla2x00_prep_sns_cmd(scsi_qla_host_t *, uint16_t, uint16_t, uint16_t);
  31
  32 static int qla2x00_sns_ga_nxt(scsi_qla_host_t *, fc_port_t *);
  33 static int qla2x00_sns_gid_pt(scsi_qla_host_t *, sw_info_t *);
  34 static int qla2x00_sns_gpn_id(scsi_qla_host_t *, sw_info_t *);
  35 static int qla2x00_sns_gnn_id(scsi_qla_host_t *, sw_info_t *);
  36 static int qla2x00_sns_rft_id(scsi_qla_host_t *);
  37 static int qla2x00_sns_rff_id(scsi_qla_host_t *);
  38 static int qla2x00_sns_rnn_id(scsi_qla_host_t *);
  39
  40 /**
  41  * qla2x00_prep_ms_iocb() - Prepare common MS IOCB fields for SNS CT query.
  42  * @ha: HA context
  43  * @req_size: request size in bytes
  44  * @rsp_size: response size in bytes
  45  *
  46  * Returns a pointer to the @ha's ms_iocb.
  47  */
  48 static inline ms_iocb_entry_t *
  49 qla2x00_prep_ms_iocb(scsi_qla_host_t *ha, uint32_t req_size, uint32_t rsp_size)
  50 {
  51         ms_iocb_entry_t *ms_pkt;
  52
  53         ms_pkt = ha->ms_iocb;
  54         memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
  55
  56         ms_pkt->entry_type = MS_IOCB_TYPE;
  57         ms_pkt->entry_count = 1;
  58         SET_TARGET_ID(ha, ms_pkt->loop_id, SIMPLE_NAME_SERVER);
  59         ms_pkt->control_flags = __constant_cpu_to_le16(CF_READ | CF_HEAD_TAG);
  60         ms_pkt->timeout = __constant_cpu_to_le16(25);
  61         ms_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
  62         ms_pkt->total_dsd_count = __constant_cpu_to_le16(2);
  63         ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
  64         ms_pkt->req_bytecount = cpu_to_le32(req_size);
  65
  66         ms_pkt->dseg_req_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
  67         ms_pkt->dseg_req_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
  68         ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
  69
  70         ms_pkt->dseg_rsp_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
  71         ms_pkt->dseg_rsp_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
  72         ms_pkt->dseg_rsp_length = ms_pkt->rsp_bytecount;
  73
  74         return (ms_pkt);
  75 }
  76
  77 /**
  78  * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
  79  * @ct_req: CT request buffer
  80  * @cmd: GS command
  81  * @rsp_size: response size in bytes
  82  *
  83  * Returns a pointer to the intitialized @ct_req.
  84  */
  85 static inline struct ct_sns_req *
  86 qla2x00_prep_ct_req(struct ct_sns_req *ct_req, uint16_t cmd, uint16_t rsp_size)
  87 {
  88         memset(ct_req, 0, sizeof(struct ct_sns_pkt));
  89
  90         ct_req->header.revision = 0x01;
  91         ct_req->header.gs_type = 0xFC;
  92         ct_req->header.gs_subtype = 0x02;
  93         ct_req->command = cpu_to_be16(cmd);
  94         ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
  95
  96         return (ct_req);
  97 }
  98
  99
 100 /**
 101  * qla2x00_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
 102  * @ha: HA context
 103  * @fcport: fcport entry to updated
 104  *
 105  * Returns 0 on success.
 106  */
 107 int
 108 qla2x00_ga_nxt(scsi_qla_host_t *ha, fc_port_t *fcport)
 109 {
 110         int             rval;
 111
 112         ms_iocb_entry_t *ms_pkt;
 113         struct ct_sns_req       *ct_req;
 114         struct ct_sns_rsp       *ct_rsp;
 115
 116         if (IS_QLA2200(ha)) {
 117                 return (qla2x00_sns_ga_nxt(ha, fcport));
 118         }
 119
 120         /* Issue GA_NXT */
 121         /* Prepare common MS IOCB */
 122         ms_pkt = qla2x00_prep_ms_iocb(ha, GA_NXT_REQ_SIZE, GA_NXT_RSP_SIZE);
 123
 124         /* Prepare CT request */
 125         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GA_NXT_CMD,
 126             GA_NXT_RSP_SIZE);
 127         ct_rsp = &ha->ct_sns->p.rsp;
 128
 129         /* Prepare CT arguments -- port_id */
 130         ct_req->req.port_id.port_id[0] = fcport->d_id.b.domain;
 131         ct_req->req.port_id.port_id[1] = fcport->d_id.b.area;
 132         ct_req->req.port_id.port_id[2] = fcport->d_id.b.al_pa;
 133
 134         /* Execute MS IOCB */
 135         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 136             sizeof(ms_iocb_entry_t));
 137         if (rval != QLA_SUCCESS) {
 138                 /*EMPTY*/
 139                 DEBUG2_3(printk("scsi(%ld): GA_NXT issue IOCB failed (%d).\n",
 140                     ha->host_no, rval));
 141         } else if (ct_rsp->header.response !=
 142             __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
 143                 DEBUG2_3(printk("scsi(%ld): GA_NXT failed, rejected request, "
 144                     "ga_nxt_rsp:\n", ha->host_no));
 145                 DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
 146                     sizeof(struct ct_rsp_hdr)));
 147                 rval = QLA_FUNCTION_FAILED;
 148         } else {
 149                 /* Populate fc_port_t entry. */
 150                 fcport->d_id.b.domain = ct_rsp->rsp.ga_nxt.port_id[0];
 151                 fcport->d_id.b.area = ct_rsp->rsp.ga_nxt.port_id[1];
 152                 fcport->d_id.b.al_pa = ct_rsp->rsp.ga_nxt.port_id[2];
 153
 154                 memcpy(fcport->node_name, ct_rsp->rsp.ga_nxt.node_name,
 155                     WWN_SIZE);
 156                 memcpy(fcport->port_name, ct_rsp->rsp.ga_nxt.port_name,
 157                     WWN_SIZE);
 158
 159                 if (ct_rsp->rsp.ga_nxt.port_type != NS_N_PORT_TYPE &&
 160                     ct_rsp->rsp.ga_nxt.port_type != NS_NL_PORT_TYPE)
 161                         fcport->d_id.b.domain = 0xf0;
 162
 163                 DEBUG2_3(printk("scsi(%ld): GA_NXT entry - "
 164                     "nn %02x%02x%02x%02x%02x%02x%02x%02x "
 165                     "pn %02x%02x%02x%02x%02x%02x%02x%02x "
 166                     "portid=%02x%02x%02x.\n",
 167                     ha->host_no,
 168                     fcport->node_name[0], fcport->node_name[1],
 169                     fcport->node_name[2], fcport->node_name[3],
 170                     fcport->node_name[4], fcport->node_name[5],
 171                     fcport->node_name[6], fcport->node_name[7],
 172                     fcport->port_name[0], fcport->port_name[1],
 173                     fcport->port_name[2], fcport->port_name[3],
 174                     fcport->port_name[4], fcport->port_name[5],
 175                     fcport->port_name[6], fcport->port_name[7],
 176                     fcport->d_id.b.domain, fcport->d_id.b.area,
 177                     fcport->d_id.b.al_pa));
 178         }
 179
 180         return (rval);
 181 }
 182
 183 /**
 184  * qla2x00_gid_pt() - SNS scan for fabric devices via GID_PT command.
 185  * @ha: HA context
 186  * @list: switch info entries to populate
 187  *
 188  * NOTE: Non-Nx_Ports are not requested.
 189  *
 190  * Returns 0 on success.
 191  */
 192 int
 193 qla2x00_gid_pt(scsi_qla_host_t *ha, sw_info_t *list)
 194 {
 195         int             rval;
 196         uint16_t        i;
 197
 198         ms_iocb_entry_t *ms_pkt;
 199         struct ct_sns_req       *ct_req;
 200         struct ct_sns_rsp       *ct_rsp;
 201
 202         struct ct_sns_gid_pt_data *gid_data;
 203
 204         if (IS_QLA2200(ha)) {
 205                 return (qla2x00_sns_gid_pt(ha, list));
 206         }
 207
 208         gid_data = NULL;
 209
 210         /* Issue GID_PT */
 211         /* Prepare common MS IOCB */
 212         ms_pkt = qla2x00_prep_ms_iocb(ha, GID_PT_REQ_SIZE, GID_PT_RSP_SIZE);
 213
 214         /* Prepare CT request */
 215         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GID_PT_CMD,
 216             GID_PT_RSP_SIZE);
 217         ct_rsp = &ha->ct_sns->p.rsp;
 218
 219         /* Prepare CT arguments -- port_type */
 220         ct_req->req.gid_pt.port_type = NS_NX_PORT_TYPE;
 221
 222         /* Execute MS IOCB */
 223         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 224             sizeof(ms_iocb_entry_t));
 225         if (rval != QLA_SUCCESS) {
 226                 /*EMPTY*/
 227                 DEBUG2_3(printk("scsi(%ld): GID_PT issue IOCB failed (%d).\n",
 228                     ha->host_no, rval));
 229         } else if (ct_rsp->header.response !=
 230             __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
 231                 DEBUG2_3(printk("scsi(%ld): GID_PT failed, rejected request, "
 232                     "gid_pt_rsp:\n", ha->host_no));
 233                 DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
 234                     sizeof(struct ct_rsp_hdr)));
 235                 rval = QLA_FUNCTION_FAILED;
 236         } else {
 237                 /* Set port IDs in switch info list. */
 238                 for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
 239                         gid_data = &ct_rsp->rsp.gid_pt.entries[i];
 240                         list[i].d_id.b.domain = gid_data->port_id[0];
 241                         list[i].d_id.b.area = gid_data->port_id[1];
 242                         list[i].d_id.b.al_pa = gid_data->port_id[2];
 243
 244                         /* Last one exit. */
 245                         if (gid_data->control_byte & BIT_7) {
 246                                 list[i].d_id.b.rsvd_1 = gid_data->control_byte;
 247                                 break;
 248                         }
 249                 }
 250
 251                 /*
 252                  * If we've used all available slots, then the switch is
 253                  * reporting back more devices than we can handle with this
 254                  * single call.  Return a failed status, and let GA_NXT handle
 255                  * the overload.
 256                  */
 257                 if (i == MAX_FIBRE_DEVICES)
 258                         rval = QLA_FUNCTION_FAILED;
 259         }
 260
 261         return (rval);
 262 }
 263
 264 /**
 265  * qla2x00_gpn_id() - SNS Get Port Name (GPN_ID) query.
 266  * @ha: HA context
 267  * @list: switch info entries to populate
 268  *
 269  * Returns 0 on success.
 270  */
 271 int
 272 qla2x00_gpn_id(scsi_qla_host_t *ha, sw_info_t *list)
 273 {
 274         int             rval;
 275         uint16_t        i;
 276
 277         ms_iocb_entry_t *ms_pkt;
 278         struct ct_sns_req       *ct_req;
 279         struct ct_sns_rsp       *ct_rsp;
 280
 281         if (IS_QLA2200(ha)) {
 282                 return (qla2x00_sns_gpn_id(ha, list));
 283         }
 284
 285         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
 286                 /* Issue GPN_ID */
 287                 /* Prepare common MS IOCB */
 288                 ms_pkt = qla2x00_prep_ms_iocb(ha, GPN_ID_REQ_SIZE,
 289                     GPN_ID_RSP_SIZE);
 290
 291                 /* Prepare CT request */
 292                 ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GPN_ID_CMD,
 293                     GPN_ID_RSP_SIZE);
 294                 ct_rsp = &ha->ct_sns->p.rsp;
 295
 296                 /* Prepare CT arguments -- port_id */
 297                 ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
 298                 ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
 299                 ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
 300
 301                 /* Execute MS IOCB */
 302                 rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 303                     sizeof(ms_iocb_entry_t));
 304                 if (rval != QLA_SUCCESS) {
 305                         /*EMPTY*/
 306                         DEBUG2_3(printk("scsi(%ld): GPN_ID issue IOCB failed "
 307                             "(%d).\n", ha->host_no, rval));
 308                 } else if (ct_rsp->header.response !=
 309                     __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
 310                         DEBUG2_3(printk("scsi(%ld): GPN_ID failed, rejected "
 311                             "request, gpn_id_rsp:\n", ha->host_no));
 312                         DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
 313                             sizeof(struct ct_rsp_hdr)));
 314                         rval = QLA_FUNCTION_FAILED;
 315                 } else {
 316                         /* Save portname */
 317                         memcpy(list[i].port_name,
 318                             ct_rsp->rsp.gpn_id.port_name, WWN_SIZE);
 319                 }
 320
 321                 /* Last device exit. */
 322                 if (list[i].d_id.b.rsvd_1 != 0)
 323                         break;
 324         }
 325
 326         return (rval);
 327 }
 328
 329 /**
 330  * qla2x00_gnn_id() - SNS Get Node Name (GNN_ID) query.
 331  * @ha: HA context
 332  * @list: switch info entries to populate
 333  *
 334  * Returns 0 on success.
 335  */
 336 int
 337 qla2x00_gnn_id(scsi_qla_host_t *ha, sw_info_t *list)
 338 {
 339         int             rval;
 340         uint16_t        i;
 341
 342         ms_iocb_entry_t *ms_pkt;
 343         struct ct_sns_req       *ct_req;
 344         struct ct_sns_rsp       *ct_rsp;
 345
 346         if (IS_QLA2200(ha)) {
 347                 return (qla2x00_sns_gnn_id(ha, list));
 348         }
 349
 350         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
 351                 /* Issue GNN_ID */
 352                 /* Prepare common MS IOCB */
 353                 ms_pkt = qla2x00_prep_ms_iocb(ha, GNN_ID_REQ_SIZE,
 354                     GNN_ID_RSP_SIZE);
 355
 356                 /* Prepare CT request */
 357                 ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GNN_ID_CMD,
 358                     GNN_ID_RSP_SIZE);
 359                 ct_rsp = &ha->ct_sns->p.rsp;
 360
 361                 /* Prepare CT arguments -- port_id */
 362                 ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
 363                 ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
 364                 ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
 365
 366                 /* Execute MS IOCB */
 367                 rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 368                     sizeof(ms_iocb_entry_t));
 369                 if (rval != QLA_SUCCESS) {
 370                         /*EMPTY*/
 371                         DEBUG2_3(printk("scsi(%ld): GNN_ID issue IOCB failed "
 372                             "(%d).\n", ha->host_no, rval));
 373                 } else if (ct_rsp->header.response !=
 374                     __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
 375                         DEBUG2_3(printk("scsi(%ld): GNN_ID failed, rejected "
 376                             "request, gnn_id_rsp:\n", ha->host_no));
 377                         DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
 378                             sizeof(struct ct_rsp_hdr)));
 379                         rval = QLA_FUNCTION_FAILED;
 380                 } else {
 381                         /* Save nodename */
 382                         memcpy(list[i].node_name,
 383                             ct_rsp->rsp.gnn_id.node_name, WWN_SIZE);
 384
 385                         DEBUG2_3(printk("scsi(%ld): GID_PT entry - "
 386                             "nn %02x%02x%02x%02x%02x%02x%02x%02x "
 387                             "pn %02x%02x%02x%02x%02x%02x%02x%02x "
 388                             "portid=%02x%02x%02x.\n",
 389                             ha->host_no,
 390                             list[i].node_name[0], list[i].node_name[1],
 391                             list[i].node_name[2], list[i].node_name[3],
 392                             list[i].node_name[4], list[i].node_name[5],
 393                             list[i].node_name[6], list[i].node_name[7],
 394                             list[i].port_name[0], list[i].port_name[1],
 395                             list[i].port_name[2], list[i].port_name[3],
 396                             list[i].port_name[4], list[i].port_name[5],
 397                             list[i].port_name[6], list[i].port_name[7],
 398                             list[i].d_id.b.domain, list[i].d_id.b.area,
 399                             list[i].d_id.b.al_pa));
 400                 }
 401
 402                 /* Last device exit. */
 403                 if (list[i].d_id.b.rsvd_1 != 0)
 404                         break;
 405         }
 406
 407         return (rval);
 408 }
 409
 410 /**
 411  * qla2x00_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
 412  * @ha: HA context
 413  *
 414  * Returns 0 on success.
 415  */
 416 int
 417 qla2x00_rft_id(scsi_qla_host_t *ha)
 418 {
 419         int             rval;
 420
 421         ms_iocb_entry_t *ms_pkt;
 422         struct ct_sns_req       *ct_req;
 423         struct ct_sns_rsp       *ct_rsp;
 424
 425         if (IS_QLA2200(ha)) {
 426                 return (qla2x00_sns_rft_id(ha));
 427         }
 428
 429         /* Issue RFT_ID */
 430         /* Prepare common MS IOCB */
 431         ms_pkt = qla2x00_prep_ms_iocb(ha, RFT_ID_REQ_SIZE, RFT_ID_RSP_SIZE);
 432
 433         /* Prepare CT request */
 434         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFT_ID_CMD,
 435             RFT_ID_RSP_SIZE);
 436         ct_rsp = &ha->ct_sns->p.rsp;
 437
 438         /* Prepare CT arguments -- port_id, FC-4 types */
 439         ct_req->req.rft_id.port_id[0] = ha->d_id.b.domain;
 440         ct_req->req.rft_id.port_id[1] = ha->d_id.b.area;
 441         ct_req->req.rft_id.port_id[2] = ha->d_id.b.al_pa;
 442
 443         ct_req->req.rft_id.fc4_types[2] = 0x01;         /* FCP-3 */
 444
 445         /* Execute MS IOCB */
 446         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 447             sizeof(ms_iocb_entry_t));
 448         if (rval != QLA_SUCCESS) {
 449                 /*EMPTY*/
 450                 DEBUG2_3(printk("scsi(%ld): RFT_ID issue IOCB failed (%d).\n",
 451                     ha->host_no, rval));
 452         } else if (ct_rsp->header.response !=
 453             __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
 454                 DEBUG2_3(printk("scsi(%ld): RFT_ID failed, rejected "
 455                     "request, rft_id_rsp:\n", ha->host_no));
 456                 DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
 457                     sizeof(struct ct_rsp_hdr)));
 458                 rval = QLA_FUNCTION_FAILED;
 459         } else {
 460                 DEBUG2(printk("scsi(%ld): RFT_ID exiting normally.\n",
 461                     ha->host_no));
 462         }
 463
 464         return (rval);
 465 }
 466
 467 /**
 468  * qla2x00_rff_id() - SNS Register FC-4 Features (RFF_ID) supported by the HBA.
 469  * @ha: HA context
 470  *
 471  * Returns 0 on success.
 472  */
 473 int
 474 qla2x00_rff_id(scsi_qla_host_t *ha)
 475 {
 476         int             rval;
 477
 478         ms_iocb_entry_t *ms_pkt;
 479         struct ct_sns_req       *ct_req;
 480         struct ct_sns_rsp       *ct_rsp;
 481
 482         if (IS_QLA2200(ha)) {
 483                 return (qla2x00_sns_rff_id(ha));
 484         }
 485
 486         /* Issue RFF_ID */
 487         /* Prepare common MS IOCB */
 488         ms_pkt = qla2x00_prep_ms_iocb(ha, RFF_ID_REQ_SIZE, RFF_ID_RSP_SIZE);
 489
 490         /* Prepare CT request */
 491         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFF_ID_CMD,
 492             RFF_ID_RSP_SIZE);
 493         ct_rsp = &ha->ct_sns->p.rsp;
 494
 495         /* Prepare CT arguments -- port_id, FC-4 feature, FC-4 type */
 496         ct_req->req.rff_id.port_id[0] = ha->d_id.b.domain;
 497         ct_req->req.rff_id.port_id[1] = ha->d_id.b.area;
 498         ct_req->req.rff_id.port_id[2] = ha->d_id.b.al_pa;
 499
 500         ct_req->req.rff_id.fc4_type = 0x08;             /* SCSI - FCP */
 501
 502         /* Execute MS IOCB */
 503         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 504             sizeof(ms_iocb_entry_t));
 505         if (rval != QLA_SUCCESS) {
 506                 /*EMPTY*/
 507                 DEBUG2_3(printk("scsi(%ld): RFF_ID issue IOCB failed (%d).\n",
 508                     ha->host_no, rval));
 509         } else if (ct_rsp->header.response !=
 510             __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
 511                 DEBUG2_3(printk("scsi(%ld): RFF_ID failed, rejected "
 512                     "request, rff_id_rsp:\n", ha->host_no));
 513                 DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
 514                     sizeof(struct ct_rsp_hdr)));
 515                 rval = QLA_FUNCTION_FAILED;
 516         } else {
 517                 DEBUG2(printk("scsi(%ld): RFF_ID exiting normally.\n",
 518                     ha->host_no));
 519         }
 520
 521         return (rval);
 522 }
 523
 524 /**
 525  * qla2x00_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
 526  * @ha: HA context
 527  *
 528  * Returns 0 on success.
 529  */
 530 int
 531 qla2x00_rnn_id(scsi_qla_host_t *ha)
 532 {
 533         int             rval;
 534
 535         ms_iocb_entry_t *ms_pkt;
 536         struct ct_sns_req       *ct_req;
 537         struct ct_sns_rsp       *ct_rsp;
 538
 539         if (IS_QLA2200(ha)) {
 540                 return (qla2x00_sns_rnn_id(ha));
 541         }
 542
 543         /* Issue RNN_ID */
 544         /* Prepare common MS IOCB */
 545         ms_pkt = qla2x00_prep_ms_iocb(ha, RNN_ID_REQ_SIZE, RNN_ID_RSP_SIZE);
 546
 547         /* Prepare CT request */
 548         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RNN_ID_CMD,
 549             RNN_ID_RSP_SIZE);
 550         ct_rsp = &ha->ct_sns->p.rsp;
 551
 552         /* Prepare CT arguments -- port_id, node_name */
 553         ct_req->req.rnn_id.port_id[0] = ha->d_id.b.domain;
 554         ct_req->req.rnn_id.port_id[1] = ha->d_id.b.area;
 555         ct_req->req.rnn_id.port_id[2] = ha->d_id.b.al_pa;
 556
 557         memcpy(ct_req->req.rnn_id.node_name, ha->init_cb->node_name, WWN_SIZE);
 558
 559         /* Execute MS IOCB */
 560         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 561             sizeof(ms_iocb_entry_t));
 562         if (rval != QLA_SUCCESS) {
 563                 /*EMPTY*/
 564                 DEBUG2_3(printk("scsi(%ld): RNN_ID issue IOCB failed (%d).\n",
 565                     ha->host_no, rval));
 566         } else if (ct_rsp->header.response !=
 567             __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
 568                 DEBUG2_3(printk("scsi(%ld): RNN_ID failed, rejected "
 569                     "request, rnn_id_rsp:\n", ha->host_no));
 570                 DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
 571                     sizeof(struct ct_rsp_hdr)));
 572                 rval = QLA_FUNCTION_FAILED;
 573         } else {
 574                 DEBUG2(printk("scsi(%ld): RNN_ID exiting normally.\n",
 575                     ha->host_no));
 576         }
 577
 578         return (rval);
 579 }
 580
 581 /**
 582  * qla2x00_rsnn_nn() - SNS Register Symbolic Node Name (RSNN_NN) of the HBA.
 583  * @ha: HA context
 584  *
 585  * Returns 0 on success.
 586  */
 587 int
 588 qla2x00_rsnn_nn(scsi_qla_host_t *ha)
 589 {
 590         int             rval;
 591         uint8_t         *snn;
 592         uint8_t         version[20];
 593
 594         ms_iocb_entry_t *ms_pkt;
 595         struct ct_sns_req       *ct_req;
 596         struct ct_sns_rsp       *ct_rsp;
 597
 598         if (IS_QLA2200(ha)) {
 599                 DEBUG2(printk("scsi(%ld): RSNN_ID call unsupported on "
 600                     "ISP2200.\n", ha->host_no));
 601                 return (QLA_SUCCESS);
 602         }
 603
 604         /* Issue RSNN_NN */
 605         /* Prepare common MS IOCB */
 606         /*   Request size adjusted after CT preparation */
 607         ms_pkt = qla2x00_prep_ms_iocb(ha, 0, RSNN_NN_RSP_SIZE);
 608
 609         /* Prepare CT request */
 610         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RSNN_NN_CMD,
 611             RSNN_NN_RSP_SIZE);
 612         ct_rsp = &ha->ct_sns->p.rsp;
 613
 614         /* Prepare CT arguments -- node_name, symbolic node_name, size */
 615         memcpy(ct_req->req.rsnn_nn.node_name, ha->init_cb->node_name, WWN_SIZE);
 616
 617         /* Prepare the Symbolic Node Name */
 618         /* Board type */
 619         snn = ct_req->req.rsnn_nn.sym_node_name;
 620         strcpy(snn, ha->model_number);
 621         /* Firmware version */
 622         strcat(snn, " FW:v");
 623         sprintf(version, "%d.%02d.%02d", ha->fw_major_version,
 624             ha->fw_minor_version, ha->fw_subminor_version);
 625         strcat(snn, version);
 626         /* Driver version */
 627         strcat(snn, " DVR:v");
 628         strcat(snn, qla2x00_version_str);
 629
 630         /* Calculate SNN length */
 631         ct_req->req.rsnn_nn.name_len = (uint8_t)strlen(snn);
 632
 633         /* Update MS IOCB request */
 634         ms_pkt->req_bytecount =
 635             cpu_to_le32(24 + 1 + ct_req->req.rsnn_nn.name_len);
 636         ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
 637
 638         /* Execute MS IOCB */
 639         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 640             sizeof(ms_iocb_entry_t));
 641         if (rval != QLA_SUCCESS) {
 642                 /*EMPTY*/
 643                 DEBUG2_3(printk("scsi(%ld): RSNN_NN issue IOCB failed (%d).\n",
 644                     ha->host_no, rval));
 645         } else if (ct_rsp->header.response !=
 646             __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
 647                 DEBUG2_3(printk("scsi(%ld): RSNN_NN failed, rejected "
 648                     "request, rsnn_id_rsp:\n", ha->host_no));
 649                 DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
 650                     sizeof(struct ct_rsp_hdr)));
 651                 rval = QLA_FUNCTION_FAILED;
 652         } else {
 653                 DEBUG2(printk("scsi(%ld): RSNN_NN exiting normally.\n",
 654                     ha->host_no));
 655         }
 656
 657         return (rval);
 658 }
 659
 660
 661 /**
 662  * qla2x00_prep_sns_cmd() - Prepare common SNS command request fields for query.
 663  * @ha: HA context
 664  * @cmd: GS command
 665  * @scmd_len: Subcommand length
 666  * @data_size: response size in bytes
 667  *
 668  * Returns a pointer to the @ha's sns_cmd.
 669  */
 670 static inline struct sns_cmd_pkt *
 671 qla2x00_prep_sns_cmd(scsi_qla_host_t *ha, uint16_t cmd, uint16_t scmd_len,
 672     uint16_t data_size)
 673 {
 674         uint16_t                wc;
 675         struct sns_cmd_pkt      *sns_cmd;
 676
 677         sns_cmd = ha->sns_cmd;
 678         memset(sns_cmd, 0, sizeof(struct sns_cmd_pkt));
 679         wc = data_size / 2;                     /* Size in 16bit words. */
 680         sns_cmd->p.cmd.buffer_length = cpu_to_le16(wc);
 681         sns_cmd->p.cmd.buffer_address[0] = cpu_to_le32(LSD(ha->sns_cmd_dma));
 682         sns_cmd->p.cmd.buffer_address[1] = cpu_to_le32(MSD(ha->sns_cmd_dma));
 683         sns_cmd->p.cmd.subcommand_length = cpu_to_le16(scmd_len);
 684         sns_cmd->p.cmd.subcommand = cpu_to_le16(cmd);
 685         wc = (data_size - 16) / 4;              /* Size in 32bit words. */
 686         sns_cmd->p.cmd.size = cpu_to_le16(wc);
 687
 688         return (sns_cmd);
 689 }
 690
 691 /**
 692  * qla2x00_sns_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
 693  * @ha: HA context
 694  * @fcport: fcport entry to updated
 695  *
 696  * This command uses the old Exectute SNS Command mailbox routine.
 697  *
 698  * Returns 0 on success.
 699  */
 700 static int
 701 qla2x00_sns_ga_nxt(scsi_qla_host_t *ha, fc_port_t *fcport)
 702 {
 703         int             rval;
 704
 705         struct sns_cmd_pkt      *sns_cmd;
 706
 707         /* Issue GA_NXT. */
 708         /* Prepare SNS command request. */
 709         sns_cmd = qla2x00_prep_sns_cmd(ha, GA_NXT_CMD, GA_NXT_SNS_SCMD_LEN,
 710             GA_NXT_SNS_DATA_SIZE);
 711
 712         /* Prepare SNS command arguments -- port_id. */
 713         sns_cmd->p.cmd.param[0] = fcport->d_id.b.al_pa;
 714         sns_cmd->p.cmd.param[1] = fcport->d_id.b.area;
 715         sns_cmd->p.cmd.param[2] = fcport->d_id.b.domain;
 716
 717         /* Execute SNS command. */
 718         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, GA_NXT_SNS_CMD_SIZE / 2,
 719             sizeof(struct sns_cmd_pkt));
 720         if (rval != QLA_SUCCESS) {
 721                 /*EMPTY*/
 722                 DEBUG2_3(printk("scsi(%ld): GA_NXT Send SNS failed (%d).\n",
 723                     ha->host_no, rval));
 724         } else if (sns_cmd->p.gan_data[8] != 0x80 ||
 725             sns_cmd->p.gan_data[9] != 0x02) {
 726                 DEBUG2_3(printk("scsi(%ld): GA_NXT failed, rejected request, "
 727                     "ga_nxt_rsp:\n", ha->host_no));
 728                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gan_data, 16));
 729                 rval = QLA_FUNCTION_FAILED;
 730         } else {
 731                 /* Populate fc_port_t entry. */
 732                 fcport->d_id.b.domain = sns_cmd->p.gan_data[17];
 733                 fcport->d_id.b.area = sns_cmd->p.gan_data[18];
 734                 fcport->d_id.b.al_pa = sns_cmd->p.gan_data[19];
 735
 736                 memcpy(fcport->node_name, &sns_cmd->p.gan_data[284], WWN_SIZE);
 737                 memcpy(fcport->port_name, &sns_cmd->p.gan_data[20], WWN_SIZE);
 738
 739                 if (sns_cmd->p.gan_data[16] != NS_N_PORT_TYPE &&
 740                     sns_cmd->p.gan_data[16] != NS_NL_PORT_TYPE)
 741                         fcport->d_id.b.domain = 0xf0;
 742
 743                 DEBUG2_3(printk("scsi(%ld): GA_NXT entry - "
 744                     "nn %02x%02x%02x%02x%02x%02x%02x%02x "
 745                     "pn %02x%02x%02x%02x%02x%02x%02x%02x "
 746                     "portid=%02x%02x%02x.\n",
 747                     ha->host_no,
 748                     fcport->node_name[0], fcport->node_name[1],
 749                     fcport->node_name[2], fcport->node_name[3],
 750                     fcport->node_name[4], fcport->node_name[5],
 751                     fcport->node_name[6], fcport->node_name[7],
 752                     fcport->port_name[0], fcport->port_name[1],
 753                     fcport->port_name[2], fcport->port_name[3],
 754                     fcport->port_name[4], fcport->port_name[5],
 755                     fcport->port_name[6], fcport->port_name[7],
 756                     fcport->d_id.b.domain, fcport->d_id.b.area,
 757                     fcport->d_id.b.al_pa));
 758         }
 759
 760         return (rval);
 761 }
 762
 763 /**
 764  * qla2x00_sns_gid_pt() - SNS scan for fabric devices via GID_PT command.
 765  * @ha: HA context
 766  * @list: switch info entries to populate
 767  *
 768  * This command uses the old Exectute SNS Command mailbox routine.
 769  *
 770  * NOTE: Non-Nx_Ports are not requested.
 771  *
 772  * Returns 0 on success.
 773  */
 774 static int
 775 qla2x00_sns_gid_pt(scsi_qla_host_t *ha, sw_info_t *list)
 776 {
 777         int             rval;
 778
 779         uint16_t        i;
 780         uint8_t         *entry;
 781         struct sns_cmd_pkt      *sns_cmd;
 782
 783         /* Issue GID_PT. */
 784         /* Prepare SNS command request. */
 785         sns_cmd = qla2x00_prep_sns_cmd(ha, GID_PT_CMD, GID_PT_SNS_SCMD_LEN,
 786             GID_PT_SNS_DATA_SIZE);
 787
 788         /* Prepare SNS command arguments -- port_type. */
 789         sns_cmd->p.cmd.param[0] = NS_NX_PORT_TYPE;
 790
 791         /* Execute SNS command. */
 792         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, GID_PT_SNS_CMD_SIZE / 2,
 793             sizeof(struct sns_cmd_pkt));
 794         if (rval != QLA_SUCCESS) {
 795                 /*EMPTY*/
 796                 DEBUG2_3(printk("scsi(%ld): GID_PT Send SNS failed (%d).\n",
 797                     ha->host_no, rval));
 798         } else if (sns_cmd->p.gid_data[8] != 0x80 ||
 799             sns_cmd->p.gid_data[9] != 0x02) {
 800                 DEBUG2_3(printk("scsi(%ld): GID_PT failed, rejected request, "
 801                     "gid_rsp:\n", ha->host_no));
 802                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gid_data, 16));
 803                 rval = QLA_FUNCTION_FAILED;
 804         } else {
 805                 /* Set port IDs in switch info list. */
 806                 for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
 807                         entry = &sns_cmd->p.gid_data[(i * 4) + 16];
 808                         list[i].d_id.b.domain = entry[1];
 809                         list[i].d_id.b.area = entry[2];
 810                         list[i].d_id.b.al_pa = entry[3];
 811
 812                         /* Last one exit. */
 813                         if (entry[0] & BIT_7) {
 814                                 list[i].d_id.b.rsvd_1 = entry[0];
 815                                 break;
 816                         }
 817                 }
 818
 819                 /*
 820                  * If we've used all available slots, then the switch is
 821                  * reporting back more devices that we can handle with this
 822                  * single call.  Return a failed status, and let GA_NXT handle
 823                  * the overload.
 824                  */
 825                 if (i == MAX_FIBRE_DEVICES)
 826                         rval = QLA_FUNCTION_FAILED;
 827         }
 828
 829         return (rval);
 830 }
 831
 832 /**
 833  * qla2x00_sns_gpn_id() - SNS Get Port Name (GPN_ID) query.
 834  * @ha: HA context
 835  * @list: switch info entries to populate
 836  *
 837  * This command uses the old Exectute SNS Command mailbox routine.
 838  *
 839  * Returns 0 on success.
 840  */
 841 static int
 842 qla2x00_sns_gpn_id(scsi_qla_host_t *ha, sw_info_t *list)
 843 {
 844         int             rval;
 845
 846         uint16_t        i;
 847         struct sns_cmd_pkt      *sns_cmd;
 848
 849         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
 850                 /* Issue GPN_ID */
 851                 /* Prepare SNS command request. */
 852                 sns_cmd = qla2x00_prep_sns_cmd(ha, GPN_ID_CMD,
 853                     GPN_ID_SNS_SCMD_LEN, GPN_ID_SNS_DATA_SIZE);
 854
 855                 /* Prepare SNS command arguments -- port_id. */
 856                 sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
 857                 sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
 858                 sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
 859
 860                 /* Execute SNS command. */
 861                 rval = qla2x00_send_sns(ha, ha->sns_cmd_dma,
 862                     GPN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
 863                 if (rval != QLA_SUCCESS) {
 864                         /*EMPTY*/
 865                         DEBUG2_3(printk("scsi(%ld): GPN_ID Send SNS failed "
 866                             "(%d).\n", ha->host_no, rval));
 867                 } else if (sns_cmd->p.gpn_data[8] != 0x80 ||
 868                     sns_cmd->p.gpn_data[9] != 0x02) {
 869                         DEBUG2_3(printk("scsi(%ld): GPN_ID failed, rejected "
 870                             "request, gpn_rsp:\n", ha->host_no));
 871                         DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gpn_data, 16));
 872                         rval = QLA_FUNCTION_FAILED;
 873                 } else {
 874                         /* Save portname */
 875                         memcpy(list[i].port_name, &sns_cmd->p.gpn_data[16],
 876                             WWN_SIZE);
 877                 }
 878
 879                 /* Last device exit. */
 880                 if (list[i].d_id.b.rsvd_1 != 0)
 881                         break;
 882         }
 883
 884         return (rval);
 885 }
 886
 887 /**
 888  * qla2x00_sns_gnn_id() - SNS Get Node Name (GNN_ID) query.
 889  * @ha: HA context
 890  * @list: switch info entries to populate
 891  *
 892  * This command uses the old Exectute SNS Command mailbox routine.
 893  *
 894  * Returns 0 on success.
 895  */
 896 static int
 897 qla2x00_sns_gnn_id(scsi_qla_host_t *ha, sw_info_t *list)
 898 {
 899         int             rval;
 900
 901         uint16_t        i;
 902         struct sns_cmd_pkt      *sns_cmd;
 903
 904         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
 905                 /* Issue GNN_ID */
 906                 /* Prepare SNS command request. */
 907                 sns_cmd = qla2x00_prep_sns_cmd(ha, GNN_ID_CMD,
 908                     GNN_ID_SNS_SCMD_LEN, GNN_ID_SNS_DATA_SIZE);
 909
 910                 /* Prepare SNS command arguments -- port_id. */
 911                 sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
 912                 sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
 913                 sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
 914
 915                 /* Execute SNS command. */
 916                 rval = qla2x00_send_sns(ha, ha->sns_cmd_dma,
 917                     GNN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
 918                 if (rval != QLA_SUCCESS) {
 919                         /*EMPTY*/
 920                         DEBUG2_3(printk("scsi(%ld): GNN_ID Send SNS failed "
 921                             "(%d).\n", ha->host_no, rval));
 922                 } else if (sns_cmd->p.gnn_data[8] != 0x80 ||
 923                     sns_cmd->p.gnn_data[9] != 0x02) {
 924                         DEBUG2_3(printk("scsi(%ld): GNN_ID failed, rejected "
 925                             "request, gnn_rsp:\n", ha->host_no));
 926                         DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gnn_data, 16));
 927                         rval = QLA_FUNCTION_FAILED;
 928                 } else {
 929                         /* Save nodename */
 930                         memcpy(list[i].node_name, &sns_cmd->p.gnn_data[16],
 931                             WWN_SIZE);
 932
 933                         DEBUG2_3(printk("scsi(%ld): GID_PT entry - "
 934                             "nn %02x%02x%02x%02x%02x%02x%02x%02x "
 935                             "pn %02x%02x%02x%02x%02x%02x%02x%02x "
 936                             "portid=%02x%02x%02x.\n",
 937                             ha->host_no,
 938                             list[i].node_name[0], list[i].node_name[1],
 939                             list[i].node_name[2], list[i].node_name[3],
 940                             list[i].node_name[4], list[i].node_name[5],
 941                             list[i].node_name[6], list[i].node_name[7],
 942                             list[i].port_name[0], list[i].port_name[1],
 943                             list[i].port_name[2], list[i].port_name[3],
 944                             list[i].port_name[4], list[i].port_name[5],
 945                             list[i].port_name[6], list[i].port_name[7],
 946                             list[i].d_id.b.domain, list[i].d_id.b.area,
 947                             list[i].d_id.b.al_pa));
 948                 }
 949
 950                 /* Last device exit. */
 951                 if (list[i].d_id.b.rsvd_1 != 0)
 952                         break;
 953         }
 954
 955         return (rval);
 956 }
 957
 958 /**
 959  * qla2x00_snd_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
 960  * @ha: HA context
 961  *
 962  * This command uses the old Exectute SNS Command mailbox routine.
 963  *
 964  * Returns 0 on success.
 965  */
 966 static int
 967 qla2x00_sns_rft_id(scsi_qla_host_t *ha)
 968 {
 969         int             rval;
 970
 971         struct sns_cmd_pkt      *sns_cmd;
 972
 973         /* Issue RFT_ID. */
 974         /* Prepare SNS command request. */
 975         sns_cmd = qla2x00_prep_sns_cmd(ha, RFT_ID_CMD, RFT_ID_SNS_SCMD_LEN,
 976             RFT_ID_SNS_DATA_SIZE);
 977
 978         /* Prepare SNS command arguments -- port_id, FC-4 types */
 979         sns_cmd->p.cmd.param[0] = ha->d_id.b.al_pa;
 980         sns_cmd->p.cmd.param[1] = ha->d_id.b.area;
 981         sns_cmd->p.cmd.param[2] = ha->d_id.b.domain;
 982
 983         sns_cmd->p.cmd.param[5] = 0x01;                 /* FCP-3 */
 984
 985         /* Execute SNS command. */
 986         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, RFT_ID_SNS_CMD_SIZE / 2,
 987             sizeof(struct sns_cmd_pkt));
 988         if (rval != QLA_SUCCESS) {
 989                 /*EMPTY*/
 990                 DEBUG2_3(printk("scsi(%ld): RFT_ID Send SNS failed (%d).\n",
 991                     ha->host_no, rval));
 992         } else if (sns_cmd->p.rft_data[8] != 0x80 ||
 993             sns_cmd->p.rft_data[9] != 0x02) {
 994                 DEBUG2_3(printk("scsi(%ld): RFT_ID failed, rejected request, "
 995                     "rft_rsp:\n", ha->host_no));
 996                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.rft_data, 16));
 997                 rval = QLA_FUNCTION_FAILED;
 998         } else {
 999                 DEBUG2(printk("scsi(%ld): RFT_ID exiting normally.\n",
1000                     ha->host_no));
1001         }
1002
1003         return (rval);
1004 }
1005
1006 /**
1007  * qla2x00_sns_rff_id() - SNS Register FC-4 Features (RFF_ID) supported by the
1008  * HBA.
1009  * @ha: HA context
1010  *
1011  * This command uses the old Exectute SNS Command mailbox routine.
1012  *
1013  * Returns 0 on success.
1014  */
1015 static int
1016 qla2x00_sns_rff_id(scsi_qla_host_t *ha)
1017 {
1018         int             rval;
1019
1020         struct sns_cmd_pkt      *sns_cmd;
1021
1022         /* Issue RFF_ID. */
1023         /* Prepare SNS command request. */
1024         sns_cmd = qla2x00_prep_sns_cmd(ha, RFF_ID_CMD, RFF_ID_SNS_SCMD_LEN,
1025             RFF_ID_SNS_DATA_SIZE);
1026
1027         /* Prepare SNS command arguments -- port_id, FC-4 feature, FC-4 type */
1028         sns_cmd->p.cmd.param[0] = ha->d_id.b.al_pa;
1029         sns_cmd->p.cmd.param[1] = ha->d_id.b.area;
1030         sns_cmd->p.cmd.param[2] = ha->d_id.b.domain;
1031
1032         sns_cmd->p.cmd.param[6] = 0x08;                 /* SCSI - FCP */
1033
1034         /* Execute SNS command. */
1035         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, RFF_ID_SNS_CMD_SIZE / 2,
1036             sizeof(struct sns_cmd_pkt));
1037         if (rval != QLA_SUCCESS) {
1038                 /*EMPTY*/
1039                 DEBUG2_3(printk("scsi(%ld): RFF_ID Send SNS failed (%d).\n",
1040                     ha->host_no, rval));
1041         } else if (sns_cmd->p.rff_data[8] != 0x80 ||
1042             sns_cmd->p.rff_data[9] != 0x02) {
1043                 DEBUG2_3(printk("scsi(%ld): RFF_ID failed, rejected request, "
1044                     "rff_rsp:\n", ha->host_no));
1045                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.rff_data, 16));
1046                 rval = QLA_FUNCTION_FAILED;
1047         } else {
1048                 DEBUG2(printk("scsi(%ld): RFF_ID exiting normally.\n",
1049                     ha->host_no));
1050         }
1051
1052         return (rval);
1053 }
1054
1055 /**
1056  * qla2x00_sns_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
1057  * HBA.
1058  * @ha: HA context
1059  *
1060  * This command uses the old Exectute SNS Command mailbox routine.
1061  *
1062  * Returns 0 on success.
1063  */
1064 static int
1065 qla2x00_sns_rnn_id(scsi_qla_host_t *ha)
1066 {
1067         int             rval;
1068
1069         struct sns_cmd_pkt      *sns_cmd;
1070
1071         /* Issue RNN_ID. */
1072         /* Prepare SNS command request. */
1073         sns_cmd = qla2x00_prep_sns_cmd(ha, RNN_ID_CMD, RNN_ID_SNS_SCMD_LEN,
1074             RNN_ID_SNS_DATA_SIZE);
1075
1076         /* Prepare SNS command arguments -- port_id, nodename. */
1077         sns_cmd->p.cmd.param[0] = ha->d_id.b.al_pa;
1078         sns_cmd->p.cmd.param[1] = ha->d_id.b.area;
1079         sns_cmd->p.cmd.param[2] = ha->d_id.b.domain;
1080
1081         sns_cmd->p.cmd.param[4] = ha->init_cb->node_name[7];
1082         sns_cmd->p.cmd.param[5] = ha->init_cb->node_name[6];
1083         sns_cmd->p.cmd.param[6] = ha->init_cb->node_name[5];
1084         sns_cmd->p.cmd.param[7] = ha->init_cb->node_name[4];
1085         sns_cmd->p.cmd.param[8] = ha->init_cb->node_name[3];
1086         sns_cmd->p.cmd.param[9] = ha->init_cb->node_name[2];
1087         sns_cmd->p.cmd.param[10] = ha->init_cb->node_name[1];
1088         sns_cmd->p.cmd.param[11] = ha->init_cb->node_name[0];
1089
1090         /* Execute SNS command. */
1091         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, RNN_ID_SNS_CMD_SIZE / 2,
1092             sizeof(struct sns_cmd_pkt));
1093         if (rval != QLA_SUCCESS) {
1094                 /*EMPTY*/
1095                 DEBUG2_3(printk("scsi(%ld): RNN_ID Send SNS failed (%d).\n",
1096                     ha->host_no, rval));
1097         } else if (sns_cmd->p.rnn_data[8] != 0x80 ||
1098             sns_cmd->p.rnn_data[9] != 0x02) {
1099                 DEBUG2_3(printk("scsi(%ld): RNN_ID failed, rejected request, "
1100                     "rnn_rsp:\n", ha->host_no));
1101                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.rnn_data, 16));
1102                 rval = QLA_FUNCTION_FAILED;
1103         } else {
1104                 DEBUG2(printk("scsi(%ld): RNN_ID exiting normally.\n",
1105                     ha->host_no));
1106         }
1107
1108         return (rval);
1109 }