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_rnn_id(scsi_qla_host_t *);
  38
  39 /**
  40  * qla2x00_prep_ms_iocb() - Prepare common MS IOCB fields for SNS CT query.
  41  * @ha: HA context
  42  * @req_size: request size in bytes
  43  * @rsp_size: response size in bytes
  44  *
  45  * Returns a pointer to the @ha's ms_iocb.
  46  */
  47 static inline ms_iocb_entry_t *
  48 qla2x00_prep_ms_iocb(scsi_qla_host_t *ha, uint32_t req_size, uint32_t rsp_size)
  49 {
  50         ms_iocb_entry_t *ms_pkt;
  51
  52         ms_pkt = ha->ms_iocb;
  53         memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
  54
  55         ms_pkt->entry_type = MS_IOCB_TYPE;
  56         ms_pkt->entry_count = 1;
  57         SET_TARGET_ID(ha, ms_pkt->loop_id, SIMPLE_NAME_SERVER);
  58         ms_pkt->control_flags = __constant_cpu_to_le16(CF_READ | CF_HEAD_TAG);
  59         ms_pkt->timeout = __constant_cpu_to_le16(25);
  60         ms_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
  61         ms_pkt->total_dsd_count = __constant_cpu_to_le16(2);
  62         ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
  63         ms_pkt->req_bytecount = cpu_to_le32(req_size);
  64
  65         ms_pkt->dseg_req_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
  66         ms_pkt->dseg_req_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
  67         ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
  68
  69         ms_pkt->dseg_rsp_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
  70         ms_pkt->dseg_rsp_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
  71         ms_pkt->dseg_rsp_length = ms_pkt->rsp_bytecount;
  72
  73         return (ms_pkt);
  74 }
  75
  76 /**
  77  * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
  78  * @ct_req: CT request buffer
  79  * @cmd: GS command
  80  * @rsp_size: response size in bytes
  81  *
  82  * Returns a pointer to the intitialized @ct_req.
  83  */
  84 static inline struct ct_sns_req *
  85 qla2x00_prep_ct_req(struct ct_sns_req *ct_req, uint16_t cmd, uint16_t rsp_size)
  86 {
  87         memset(ct_req, 0, sizeof(struct ct_sns_pkt));
  88
  89         ct_req->header.revision = 0x01;
  90         ct_req->header.gs_type = 0xFC;
  91         ct_req->header.gs_subtype = 0x02;
  92         ct_req->command = cpu_to_be16(cmd);
  93         ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
  94
  95         return (ct_req);
  96 }
  97
  98
  99 /**
 100  * qla2x00_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
 101  * @ha: HA context
 102  * @fcport: fcport entry to updated
 103  *
 104  * Returns 0 on success.
 105  */
 106 int
 107 qla2x00_ga_nxt(scsi_qla_host_t *ha, fc_port_t *fcport)
 108 {
 109         int             rval;
 110
 111         ms_iocb_entry_t *ms_pkt;
 112         struct ct_sns_req       *ct_req;
 113         struct ct_sns_rsp       *ct_rsp;
 114
 115         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 116                 return (qla2x00_sns_ga_nxt(ha, fcport));
 117         }
 118
 119         /* Issue GA_NXT */
 120         /* Prepare common MS IOCB */
 121         ms_pkt = qla2x00_prep_ms_iocb(ha, GA_NXT_REQ_SIZE, GA_NXT_RSP_SIZE);
 122
 123         /* Prepare CT request */
 124         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GA_NXT_CMD,
 125             GA_NXT_RSP_SIZE);
 126         ct_rsp = &ha->ct_sns->p.rsp;
 127
 128         /* Prepare CT arguments -- port_id */
 129         ct_req->req.port_id.port_id[0] = fcport->d_id.b.domain;
 130         ct_req->req.port_id.port_id[1] = fcport->d_id.b.area;
 131         ct_req->req.port_id.port_id[2] = fcport->d_id.b.al_pa;
 132
 133         /* Execute MS IOCB */
 134         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 135             sizeof(ms_iocb_entry_t));
 136         if (rval != QLA_SUCCESS) {
 137                 /*EMPTY*/
 138                 DEBUG2_3(printk("scsi(%ld): GA_NXT issue IOCB failed (%d).\n",
 139                     ha->host_no, rval));
 140         } else if (ct_rsp->header.response !=
 141             __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
 142                 DEBUG2_3(printk("scsi(%ld): GA_NXT failed, rejected request, "
 143                     "ga_nxt_rsp:\n", ha->host_no));
 144                 DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
 145                     sizeof(struct ct_rsp_hdr)));
 146                 rval = QLA_FUNCTION_FAILED;
 147         } else {
 148                 /* Populate fc_port_t entry. */
 149                 fcport->d_id.b.domain = ct_rsp->rsp.ga_nxt.port_id[0];
 150                 fcport->d_id.b.area = ct_rsp->rsp.ga_nxt.port_id[1];
 151                 fcport->d_id.b.al_pa = ct_rsp->rsp.ga_nxt.port_id[2];
 152
 153                 memcpy(fcport->node_name, ct_rsp->rsp.ga_nxt.node_name,
 154                     WWN_SIZE);
 155                 memcpy(fcport->port_name, ct_rsp->rsp.ga_nxt.port_name,
 156                     WWN_SIZE);
 157
 158                 if (ct_rsp->rsp.ga_nxt.port_type != NS_N_PORT_TYPE &&
 159                     ct_rsp->rsp.ga_nxt.port_type != NS_NL_PORT_TYPE)
 160                         fcport->d_id.b.domain = 0xf0;
 161
 162                 DEBUG2_3(printk("scsi(%ld): GA_NXT entry - "
 163                     "nn %02x%02x%02x%02x%02x%02x%02x%02x "
 164                     "pn %02x%02x%02x%02x%02x%02x%02x%02x "
 165                     "portid=%02x%02x%02x.\n",
 166                     ha->host_no,
 167                     fcport->node_name[0], fcport->node_name[1],
 168                     fcport->node_name[2], fcport->node_name[3],
 169                     fcport->node_name[4], fcport->node_name[5],
 170                     fcport->node_name[6], fcport->node_name[7],
 171                     fcport->port_name[0], fcport->port_name[1],
 172                     fcport->port_name[2], fcport->port_name[3],
 173                     fcport->port_name[4], fcport->port_name[5],
 174                     fcport->port_name[6], fcport->port_name[7],
 175                     fcport->d_id.b.domain, fcport->d_id.b.area,
 176                     fcport->d_id.b.al_pa));
 177         }
 178
 179         return (rval);
 180 }
 181
 182 /**
 183  * qla2x00_gid_pt() - SNS scan for fabric devices via GID_PT command.
 184  * @ha: HA context
 185  * @list: switch info entries to populate
 186  *
 187  * NOTE: Non-Nx_Ports are not requested.
 188  *
 189  * Returns 0 on success.
 190  */
 191 int
 192 qla2x00_gid_pt(scsi_qla_host_t *ha, sw_info_t *list)
 193 {
 194         int             rval;
 195         uint16_t        i;
 196
 197         ms_iocb_entry_t *ms_pkt;
 198         struct ct_sns_req       *ct_req;
 199         struct ct_sns_rsp       *ct_rsp;
 200
 201         struct ct_sns_gid_pt_data *gid_data;
 202
 203         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 204                 return (qla2x00_sns_gid_pt(ha, list));
 205         }
 206
 207         gid_data = NULL;
 208
 209         /* Issue GID_PT */
 210         /* Prepare common MS IOCB */
 211         ms_pkt = qla2x00_prep_ms_iocb(ha, GID_PT_REQ_SIZE, GID_PT_RSP_SIZE);
 212
 213         /* Prepare CT request */
 214         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GID_PT_CMD,
 215             GID_PT_RSP_SIZE);
 216         ct_rsp = &ha->ct_sns->p.rsp;
 217
 218         /* Prepare CT arguments -- port_type */
 219         ct_req->req.gid_pt.port_type = NS_NX_PORT_TYPE;
 220
 221         /* Execute MS IOCB */
 222         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 223             sizeof(ms_iocb_entry_t));
 224         if (rval != QLA_SUCCESS) {
 225                 /*EMPTY*/
 226                 DEBUG2_3(printk("scsi(%ld): GID_PT issue IOCB failed (%d).\n",
 227                     ha->host_no, rval));
 228         } else if (ct_rsp->header.response !=
 229             __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
 230                 DEBUG2_3(printk("scsi(%ld): GID_PT failed, rejected request, "
 231                     "gid_pt_rsp:\n", ha->host_no));
 232                 DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
 233                     sizeof(struct ct_rsp_hdr)));
 234                 rval = QLA_FUNCTION_FAILED;
 235         } else {
 236                 /* Set port IDs in switch info list. */
 237                 for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
 238                         gid_data = &ct_rsp->rsp.gid_pt.entries[i];
 239                         list[i].d_id.b.domain = gid_data->port_id[0];
 240                         list[i].d_id.b.area = gid_data->port_id[1];
 241                         list[i].d_id.b.al_pa = gid_data->port_id[2];
 242
 243                         /* Last one exit. */
 244                         if (gid_data->control_byte & BIT_7) {
 245                                 list[i].d_id.b.rsvd_1 = gid_data->control_byte;
 246                                 break;
 247                         }
 248                 }
 249
 250                 /*
 251                  * If we've used all available slots, then the switch is
 252                  * reporting back more devices than we can handle with this
 253                  * single call.  Return a failed status, and let GA_NXT handle
 254                  * the overload.
 255                  */
 256                 if (i == MAX_FIBRE_DEVICES)
 257                         rval = QLA_FUNCTION_FAILED;
 258         }
 259
 260         return (rval);
 261 }
 262
 263 /**
 264  * qla2x00_gpn_id() - SNS Get Port Name (GPN_ID) query.
 265  * @ha: HA context
 266  * @list: switch info entries to populate
 267  *
 268  * Returns 0 on success.
 269  */
 270 int
 271 qla2x00_gpn_id(scsi_qla_host_t *ha, sw_info_t *list)
 272 {
 273         int             rval;
 274         uint16_t        i;
 275
 276         ms_iocb_entry_t *ms_pkt;
 277         struct ct_sns_req       *ct_req;
 278         struct ct_sns_rsp       *ct_rsp;
 279
 280         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 281                 return (qla2x00_sns_gpn_id(ha, list));
 282         }
 283
 284         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
 285                 /* Issue GPN_ID */
 286                 /* Prepare common MS IOCB */
 287                 ms_pkt = qla2x00_prep_ms_iocb(ha, GPN_ID_REQ_SIZE,
 288                     GPN_ID_RSP_SIZE);
 289
 290                 /* Prepare CT request */
 291                 ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GPN_ID_CMD,
 292                     GPN_ID_RSP_SIZE);
 293                 ct_rsp = &ha->ct_sns->p.rsp;
 294
 295                 /* Prepare CT arguments -- port_id */
 296                 ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
 297                 ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
 298                 ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
 299
 300                 /* Execute MS IOCB */
 301                 rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 302                     sizeof(ms_iocb_entry_t));
 303                 if (rval != QLA_SUCCESS) {
 304                         /*EMPTY*/
 305                         DEBUG2_3(printk("scsi(%ld): GPN_ID issue IOCB failed "
 306                             "(%d).\n", ha->host_no, rval));
 307                 } else if (ct_rsp->header.response !=
 308                     __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
 309                         DEBUG2_3(printk("scsi(%ld): GPN_ID failed, rejected "
 310                             "request, gpn_id_rsp:\n", ha->host_no));
 311                         DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
 312                             sizeof(struct ct_rsp_hdr)));
 313                         rval = QLA_FUNCTION_FAILED;
 314                 } else {
 315                         /* Save portname */
 316                         memcpy(list[i].port_name,
 317                             ct_rsp->rsp.gpn_id.port_name, WWN_SIZE);
 318                 }
 319
 320                 /* Last device exit. */
 321                 if (list[i].d_id.b.rsvd_1 != 0)
 322                         break;
 323         }
 324
 325         return (rval);
 326 }
 327
 328 /**
 329  * qla2x00_gnn_id() - SNS Get Node Name (GNN_ID) query.
 330  * @ha: HA context
 331  * @list: switch info entries to populate
 332  *
 333  * Returns 0 on success.
 334  */
 335 int
 336 qla2x00_gnn_id(scsi_qla_host_t *ha, sw_info_t *list)
 337 {
 338         int             rval;
 339         uint16_t        i;
 340
 341         ms_iocb_entry_t *ms_pkt;
 342         struct ct_sns_req       *ct_req;
 343         struct ct_sns_rsp       *ct_rsp;
 344
 345         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 346                 return (qla2x00_sns_gnn_id(ha, list));
 347         }
 348
 349         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
 350                 /* Issue GNN_ID */
 351                 /* Prepare common MS IOCB */
 352                 ms_pkt = qla2x00_prep_ms_iocb(ha, GNN_ID_REQ_SIZE,
 353                     GNN_ID_RSP_SIZE);
 354
 355                 /* Prepare CT request */
 356                 ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GNN_ID_CMD,
 357                     GNN_ID_RSP_SIZE);
 358                 ct_rsp = &ha->ct_sns->p.rsp;
 359
 360                 /* Prepare CT arguments -- port_id */
 361                 ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
 362                 ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
 363                 ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
 364
 365                 /* Execute MS IOCB */
 366                 rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 367                     sizeof(ms_iocb_entry_t));
 368                 if (rval != QLA_SUCCESS) {
 369                         /*EMPTY*/
 370                         DEBUG2_3(printk("scsi(%ld): GNN_ID issue IOCB failed "
 371                             "(%d).\n", ha->host_no, rval));
 372                 } else if (ct_rsp->header.response !=
 373                     __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
 374                         DEBUG2_3(printk("scsi(%ld): GNN_ID failed, rejected "
 375                             "request, gnn_id_rsp:\n", ha->host_no));
 376                         DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
 377                             sizeof(struct ct_rsp_hdr)));
 378                         rval = QLA_FUNCTION_FAILED;
 379                 } else {
 380                         /* Save nodename */
 381                         memcpy(list[i].node_name,
 382                             ct_rsp->rsp.gnn_id.node_name, WWN_SIZE);
 383
 384                         DEBUG2_3(printk("scsi(%ld): GID_PT entry - "
 385                             "nn %02x%02x%02x%02x%02x%02x%02x%02x "
 386                             "pn %02x%02x%02x%02x%02x%02x%02x%02x "
 387                             "portid=%02x%02x%02x.\n",
 388                             ha->host_no,
 389                             list[i].node_name[0], list[i].node_name[1],
 390                             list[i].node_name[2], list[i].node_name[3],
 391                             list[i].node_name[4], list[i].node_name[5],
 392                             list[i].node_name[6], list[i].node_name[7],
 393                             list[i].port_name[0], list[i].port_name[1],
 394                             list[i].port_name[2], list[i].port_name[3],
 395                             list[i].port_name[4], list[i].port_name[5],
 396                             list[i].port_name[6], list[i].port_name[7],
 397                             list[i].d_id.b.domain, list[i].d_id.b.area,
 398                             list[i].d_id.b.al_pa));
 399                 }
 400
 401                 /* Last device exit. */
 402                 if (list[i].d_id.b.rsvd_1 != 0)
 403                         break;
 404         }
 405
 406         return (rval);
 407 }
 408
 409 /**
 410  * qla2x00_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
 411  * @ha: HA context
 412  *
 413  * Returns 0 on success.
 414  */
 415 int
 416 qla2x00_rft_id(scsi_qla_host_t *ha)
 417 {
 418         int             rval;
 419
 420         ms_iocb_entry_t *ms_pkt;
 421         struct ct_sns_req       *ct_req;
 422         struct ct_sns_rsp       *ct_rsp;
 423
 424         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 425                 return (qla2x00_sns_rft_id(ha));
 426         }
 427
 428         /* Issue RFT_ID */
 429         /* Prepare common MS IOCB */
 430         ms_pkt = qla2x00_prep_ms_iocb(ha, RFT_ID_REQ_SIZE, RFT_ID_RSP_SIZE);
 431
 432         /* Prepare CT request */
 433         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFT_ID_CMD,
 434             RFT_ID_RSP_SIZE);
 435         ct_rsp = &ha->ct_sns->p.rsp;
 436
 437         /* Prepare CT arguments -- port_id, FC-4 types */
 438         ct_req->req.rft_id.port_id[0] = ha->d_id.b.domain;
 439         ct_req->req.rft_id.port_id[1] = ha->d_id.b.area;
 440         ct_req->req.rft_id.port_id[2] = ha->d_id.b.al_pa;
 441
 442         ct_req->req.rft_id.fc4_types[2] = 0x01;         /* FCP-3 */
 443
 444         /* Execute MS IOCB */
 445         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 446             sizeof(ms_iocb_entry_t));
 447         if (rval != QLA_SUCCESS) {
 448                 /*EMPTY*/
 449                 DEBUG2_3(printk("scsi(%ld): RFT_ID issue IOCB failed (%d).\n",
 450                     ha->host_no, rval));
 451         } else if (ct_rsp->header.response !=
 452             __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
 453                 DEBUG2_3(printk("scsi(%ld): RFT_ID failed, rejected "
 454                     "request, rft_id_rsp:\n", ha->host_no));
 455                 DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
 456                     sizeof(struct ct_rsp_hdr)));
 457                 rval = QLA_FUNCTION_FAILED;
 458         } else {
 459                 DEBUG2(printk("scsi(%ld): RFT_ID exiting normally.\n",
 460                     ha->host_no));
 461         }
 462
 463         return (rval);
 464 }
 465
 466 /**
 467  * qla2x00_rff_id() - SNS Register FC-4 Features (RFF_ID) supported by the HBA.
 468  * @ha: HA context
 469  *
 470  * Returns 0 on success.
 471  */
 472 int
 473 qla2x00_rff_id(scsi_qla_host_t *ha)
 474 {
 475         int             rval;
 476
 477         ms_iocb_entry_t *ms_pkt;
 478         struct ct_sns_req       *ct_req;
 479         struct ct_sns_rsp       *ct_rsp;
 480
 481         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 482                 DEBUG2(printk("scsi(%ld): RFF_ID call unsupported on "
 483                     "ISP2100/ISP2200.\n", ha->host_no));
 484                 return (QLA_SUCCESS);
 485         }
 486
 487         /* Issue RFF_ID */
 488         /* Prepare common MS IOCB */
 489         ms_pkt = qla2x00_prep_ms_iocb(ha, RFF_ID_REQ_SIZE, RFF_ID_RSP_SIZE);
 490
 491         /* Prepare CT request */
 492         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFF_ID_CMD,
 493             RFF_ID_RSP_SIZE);
 494         ct_rsp = &ha->ct_sns->p.rsp;
 495
 496         /* Prepare CT arguments -- port_id, FC-4 feature, FC-4 type */
 497         ct_req->req.rff_id.port_id[0] = ha->d_id.b.domain;
 498         ct_req->req.rff_id.port_id[1] = ha->d_id.b.area;
 499         ct_req->req.rff_id.port_id[2] = ha->d_id.b.al_pa;
 500
 501         ct_req->req.rff_id.fc4_type = 0x08;             /* SCSI - FCP */
 502
 503         /* Execute MS IOCB */
 504         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 505             sizeof(ms_iocb_entry_t));
 506         if (rval != QLA_SUCCESS) {
 507                 /*EMPTY*/
 508                 DEBUG2_3(printk("scsi(%ld): RFF_ID issue IOCB failed (%d).\n",
 509                     ha->host_no, rval));
 510         } else if (ct_rsp->header.response !=
 511             __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
 512                 DEBUG2_3(printk("scsi(%ld): RFF_ID failed, rejected "
 513                     "request, rff_id_rsp:\n", ha->host_no));
 514                 DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
 515                     sizeof(struct ct_rsp_hdr)));
 516                 rval = QLA_FUNCTION_FAILED;
 517         } else {
 518                 DEBUG2(printk("scsi(%ld): RFF_ID exiting normally.\n",
 519                     ha->host_no));
 520         }
 521
 522         return (rval);
 523 }
 524
 525 /**
 526  * qla2x00_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
 527  * @ha: HA context
 528  *
 529  * Returns 0 on success.
 530  */
 531 int
 532 qla2x00_rnn_id(scsi_qla_host_t *ha)
 533 {
 534         int             rval;
 535
 536         ms_iocb_entry_t *ms_pkt;
 537         struct ct_sns_req       *ct_req;
 538         struct ct_sns_rsp       *ct_rsp;
 539
 540         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 541                 return (qla2x00_sns_rnn_id(ha));
 542         }
 543
 544         /* Issue RNN_ID */
 545         /* Prepare common MS IOCB */
 546         ms_pkt = qla2x00_prep_ms_iocb(ha, RNN_ID_REQ_SIZE, RNN_ID_RSP_SIZE);
 547
 548         /* Prepare CT request */
 549         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RNN_ID_CMD,
 550             RNN_ID_RSP_SIZE);
 551         ct_rsp = &ha->ct_sns->p.rsp;
 552
 553         /* Prepare CT arguments -- port_id, node_name */
 554         ct_req->req.rnn_id.port_id[0] = ha->d_id.b.domain;
 555         ct_req->req.rnn_id.port_id[1] = ha->d_id.b.area;
 556         ct_req->req.rnn_id.port_id[2] = ha->d_id.b.al_pa;
 557
 558         memcpy(ct_req->req.rnn_id.node_name, ha->init_cb->node_name, WWN_SIZE);
 559
 560         /* Execute MS IOCB */
 561         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 562             sizeof(ms_iocb_entry_t));
 563         if (rval != QLA_SUCCESS) {
 564                 /*EMPTY*/
 565                 DEBUG2_3(printk("scsi(%ld): RNN_ID issue IOCB failed (%d).\n",
 566                     ha->host_no, rval));
 567         } else if (ct_rsp->header.response !=
 568             __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
 569                 DEBUG2_3(printk("scsi(%ld): RNN_ID failed, rejected "
 570                     "request, rnn_id_rsp:\n", ha->host_no));
 571                 DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
 572                     sizeof(struct ct_rsp_hdr)));
 573                 rval = QLA_FUNCTION_FAILED;
 574         } else {
 575                 DEBUG2(printk("scsi(%ld): RNN_ID exiting normally.\n",
 576                     ha->host_no));
 577         }
 578
 579         return (rval);
 580 }
 581
 582 /**
 583  * qla2x00_rsnn_nn() - SNS Register Symbolic Node Name (RSNN_NN) of the HBA.
 584  * @ha: HA context
 585  *
 586  * Returns 0 on success.
 587  */
 588 int
 589 qla2x00_rsnn_nn(scsi_qla_host_t *ha)
 590 {
 591         int             rval;
 592         uint8_t         *snn;
 593         uint8_t         version[20];
 594
 595         ms_iocb_entry_t *ms_pkt;
 596         struct ct_sns_req       *ct_req;
 597         struct ct_sns_rsp       *ct_rsp;
 598
 599         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 600                 DEBUG2(printk("scsi(%ld): RSNN_ID call unsupported on "
 601                     "ISP2100/ISP2200.\n", ha->host_no));
 602                 return (QLA_SUCCESS);
 603         }
 604
 605         /* Issue RSNN_NN */
 606         /* Prepare common MS IOCB */
 607         /*   Request size adjusted after CT preparation */
 608         ms_pkt = qla2x00_prep_ms_iocb(ha, 0, RSNN_NN_RSP_SIZE);
 609
 610         /* Prepare CT request */
 611         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RSNN_NN_CMD,
 612             RSNN_NN_RSP_SIZE);
 613         ct_rsp = &ha->ct_sns->p.rsp;
 614
 615         /* Prepare CT arguments -- node_name, symbolic node_name, size */
 616         memcpy(ct_req->req.rsnn_nn.node_name, ha->init_cb->node_name, WWN_SIZE);
 617
 618         /* Prepare the Symbolic Node Name */
 619         /* Board type */
 620         snn = ct_req->req.rsnn_nn.sym_node_name;
 621         strcpy(snn, ha->model_number);
 622         /* Firmware version */
 623         strcat(snn, " FW:v");
 624         sprintf(version, "%d.%02d.%02d", ha->fw_major_version,
 625             ha->fw_minor_version, ha->fw_subminor_version);
 626         strcat(snn, version);
 627         /* Driver version */
 628         strcat(snn, " DVR:v");
 629         strcat(snn, qla2x00_version_str);
 630
 631         /* Calculate SNN length */
 632         ct_req->req.rsnn_nn.name_len = (uint8_t)strlen(snn);
 633
 634         /* Update MS IOCB request */
 635         ms_pkt->req_bytecount =
 636             cpu_to_le32(24 + 1 + ct_req->req.rsnn_nn.name_len);
 637         ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
 638
 639         /* Execute MS IOCB */
 640         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
 641             sizeof(ms_iocb_entry_t));
 642         if (rval != QLA_SUCCESS) {
 643                 /*EMPTY*/
 644                 DEBUG2_3(printk("scsi(%ld): RSNN_NN issue IOCB failed (%d).\n",
 645                     ha->host_no, rval));
 646         } else if (ct_rsp->header.response !=
 647             __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
 648                 DEBUG2_3(printk("scsi(%ld): RSNN_NN failed, rejected "
 649                     "request, rsnn_id_rsp:\n", ha->host_no));
 650                 DEBUG2_3(qla2x00_dump_buffer((uint8_t *)&ct_rsp->header,
 651                     sizeof(struct ct_rsp_hdr)));
 652                 rval = QLA_FUNCTION_FAILED;
 653         } else {
 654                 DEBUG2(printk("scsi(%ld): RSNN_NN exiting normally.\n",
 655                     ha->host_no));
 656         }
 657
 658         return (rval);
 659 }
 660
 661
 662 /**
 663  * qla2x00_prep_sns_cmd() - Prepare common SNS command request fields for query.
 664  * @ha: HA context
 665  * @cmd: GS command
 666  * @scmd_len: Subcommand length
 667  * @data_size: response size in bytes
 668  *
 669  * Returns a pointer to the @ha's sns_cmd.
 670  */
 671 static inline struct sns_cmd_pkt *
 672 qla2x00_prep_sns_cmd(scsi_qla_host_t *ha, uint16_t cmd, uint16_t scmd_len,
 673     uint16_t data_size)
 674 {
 675         uint16_t                wc;
 676         struct sns_cmd_pkt      *sns_cmd;
 677
 678         sns_cmd = ha->sns_cmd;
 679         memset(sns_cmd, 0, sizeof(struct sns_cmd_pkt));
 680         wc = data_size / 2;                     /* Size in 16bit words. */
 681         sns_cmd->p.cmd.buffer_length = cpu_to_le16(wc);
 682         sns_cmd->p.cmd.buffer_address[0] = cpu_to_le32(LSD(ha->sns_cmd_dma));
 683         sns_cmd->p.cmd.buffer_address[1] = cpu_to_le32(MSD(ha->sns_cmd_dma));
 684         sns_cmd->p.cmd.subcommand_length = cpu_to_le16(scmd_len);
 685         sns_cmd->p.cmd.subcommand = cpu_to_le16(cmd);
 686         wc = (data_size - 16) / 4;              /* Size in 32bit words. */
 687         sns_cmd->p.cmd.size = cpu_to_le16(wc);
 688
 689         return (sns_cmd);
 690 }
 691
 692 /**
 693  * qla2x00_sns_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
 694  * @ha: HA context
 695  * @fcport: fcport entry to updated
 696  *
 697  * This command uses the old Exectute SNS Command mailbox routine.
 698  *
 699  * Returns 0 on success.
 700  */
 701 static int
 702 qla2x00_sns_ga_nxt(scsi_qla_host_t *ha, fc_port_t *fcport)
 703 {
 704         int             rval;
 705
 706         struct sns_cmd_pkt      *sns_cmd;
 707
 708         /* Issue GA_NXT. */
 709         /* Prepare SNS command request. */
 710         sns_cmd = qla2x00_prep_sns_cmd(ha, GA_NXT_CMD, GA_NXT_SNS_SCMD_LEN,
 711             GA_NXT_SNS_DATA_SIZE);
 712
 713         /* Prepare SNS command arguments -- port_id. */
 714         sns_cmd->p.cmd.param[0] = fcport->d_id.b.al_pa;
 715         sns_cmd->p.cmd.param[1] = fcport->d_id.b.area;
 716         sns_cmd->p.cmd.param[2] = fcport->d_id.b.domain;
 717
 718         /* Execute SNS command. */
 719         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, GA_NXT_SNS_CMD_SIZE / 2,
 720             sizeof(struct sns_cmd_pkt));
 721         if (rval != QLA_SUCCESS) {
 722                 /*EMPTY*/
 723                 DEBUG2_3(printk("scsi(%ld): GA_NXT Send SNS failed (%d).\n",
 724                     ha->host_no, rval));
 725         } else if (sns_cmd->p.gan_data[8] != 0x80 ||
 726             sns_cmd->p.gan_data[9] != 0x02) {
 727                 DEBUG2_3(printk("scsi(%ld): GA_NXT failed, rejected request, "
 728                     "ga_nxt_rsp:\n", ha->host_no));
 729                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gan_data, 16));
 730                 rval = QLA_FUNCTION_FAILED;
 731         } else {
 732                 /* Populate fc_port_t entry. */
 733                 fcport->d_id.b.domain = sns_cmd->p.gan_data[17];
 734                 fcport->d_id.b.area = sns_cmd->p.gan_data[18];
 735                 fcport->d_id.b.al_pa = sns_cmd->p.gan_data[19];
 736
 737                 memcpy(fcport->node_name, &sns_cmd->p.gan_data[284], WWN_SIZE);
 738                 memcpy(fcport->port_name, &sns_cmd->p.gan_data[20], WWN_SIZE);
 739
 740                 if (sns_cmd->p.gan_data[16] != NS_N_PORT_TYPE &&
 741                     sns_cmd->p.gan_data[16] != NS_NL_PORT_TYPE)
 742                         fcport->d_id.b.domain = 0xf0;
 743
 744                 DEBUG2_3(printk("scsi(%ld): GA_NXT entry - "
 745                     "nn %02x%02x%02x%02x%02x%02x%02x%02x "
 746                     "pn %02x%02x%02x%02x%02x%02x%02x%02x "
 747                     "portid=%02x%02x%02x.\n",
 748                     ha->host_no,
 749                     fcport->node_name[0], fcport->node_name[1],
 750                     fcport->node_name[2], fcport->node_name[3],
 751                     fcport->node_name[4], fcport->node_name[5],
 752                     fcport->node_name[6], fcport->node_name[7],
 753                     fcport->port_name[0], fcport->port_name[1],
 754                     fcport->port_name[2], fcport->port_name[3],
 755                     fcport->port_name[4], fcport->port_name[5],
 756                     fcport->port_name[6], fcport->port_name[7],
 757                     fcport->d_id.b.domain, fcport->d_id.b.area,
 758                     fcport->d_id.b.al_pa));
 759         }
 760
 761         return (rval);
 762 }
 763
 764 /**
 765  * qla2x00_sns_gid_pt() - SNS scan for fabric devices via GID_PT command.
 766  * @ha: HA context
 767  * @list: switch info entries to populate
 768  *
 769  * This command uses the old Exectute SNS Command mailbox routine.
 770  *
 771  * NOTE: Non-Nx_Ports are not requested.
 772  *
 773  * Returns 0 on success.
 774  */
 775 static int
 776 qla2x00_sns_gid_pt(scsi_qla_host_t *ha, sw_info_t *list)
 777 {
 778         int             rval;
 779
 780         uint16_t        i;
 781         uint8_t         *entry;
 782         struct sns_cmd_pkt      *sns_cmd;
 783
 784         /* Issue GID_PT. */
 785         /* Prepare SNS command request. */
 786         sns_cmd = qla2x00_prep_sns_cmd(ha, GID_PT_CMD, GID_PT_SNS_SCMD_LEN,
 787             GID_PT_SNS_DATA_SIZE);
 788
 789         /* Prepare SNS command arguments -- port_type. */
 790         sns_cmd->p.cmd.param[0] = NS_NX_PORT_TYPE;
 791
 792         /* Execute SNS command. */
 793         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, GID_PT_SNS_CMD_SIZE / 2,
 794             sizeof(struct sns_cmd_pkt));
 795         if (rval != QLA_SUCCESS) {
 796                 /*EMPTY*/
 797                 DEBUG2_3(printk("scsi(%ld): GID_PT Send SNS failed (%d).\n",
 798                     ha->host_no, rval));
 799         } else if (sns_cmd->p.gid_data[8] != 0x80 ||
 800             sns_cmd->p.gid_data[9] != 0x02) {
 801                 DEBUG2_3(printk("scsi(%ld): GID_PT failed, rejected request, "
 802                     "gid_rsp:\n", ha->host_no));
 803                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gid_data, 16));
 804                 rval = QLA_FUNCTION_FAILED;
 805         } else {
 806                 /* Set port IDs in switch info list. */
 807                 for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
 808                         entry = &sns_cmd->p.gid_data[(i * 4) + 16];
 809                         list[i].d_id.b.domain = entry[1];
 810                         list[i].d_id.b.area = entry[2];
 811                         list[i].d_id.b.al_pa = entry[3];
 812
 813                         /* Last one exit. */
 814                         if (entry[0] & BIT_7) {
 815                                 list[i].d_id.b.rsvd_1 = entry[0];
 816                                 break;
 817                         }
 818                 }
 819
 820                 /*
 821                  * If we've used all available slots, then the switch is
 822                  * reporting back more devices that we can handle with this
 823                  * single call.  Return a failed status, and let GA_NXT handle
 824                  * the overload.
 825                  */
 826                 if (i == MAX_FIBRE_DEVICES)
 827                         rval = QLA_FUNCTION_FAILED;
 828         }
 829
 830         return (rval);
 831 }
 832
 833 /**
 834  * qla2x00_sns_gpn_id() - SNS Get Port Name (GPN_ID) query.
 835  * @ha: HA context
 836  * @list: switch info entries to populate
 837  *
 838  * This command uses the old Exectute SNS Command mailbox routine.
 839  *
 840  * Returns 0 on success.
 841  */
 842 static int
 843 qla2x00_sns_gpn_id(scsi_qla_host_t *ha, sw_info_t *list)
 844 {
 845         int             rval;
 846
 847         uint16_t        i;
 848         struct sns_cmd_pkt      *sns_cmd;
 849
 850         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
 851                 /* Issue GPN_ID */
 852                 /* Prepare SNS command request. */
 853                 sns_cmd = qla2x00_prep_sns_cmd(ha, GPN_ID_CMD,
 854                     GPN_ID_SNS_SCMD_LEN, GPN_ID_SNS_DATA_SIZE);
 855
 856                 /* Prepare SNS command arguments -- port_id. */
 857                 sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
 858                 sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
 859                 sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
 860
 861                 /* Execute SNS command. */
 862                 rval = qla2x00_send_sns(ha, ha->sns_cmd_dma,
 863                     GPN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
 864                 if (rval != QLA_SUCCESS) {
 865                         /*EMPTY*/
 866                         DEBUG2_3(printk("scsi(%ld): GPN_ID Send SNS failed "
 867                             "(%d).\n", ha->host_no, rval));
 868                 } else if (sns_cmd->p.gpn_data[8] != 0x80 ||
 869                     sns_cmd->p.gpn_data[9] != 0x02) {
 870                         DEBUG2_3(printk("scsi(%ld): GPN_ID failed, rejected "
 871                             "request, gpn_rsp:\n", ha->host_no));
 872                         DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gpn_data, 16));
 873                         rval = QLA_FUNCTION_FAILED;
 874                 } else {
 875                         /* Save portname */
 876                         memcpy(list[i].port_name, &sns_cmd->p.gpn_data[16],
 877                             WWN_SIZE);
 878                 }
 879
 880                 /* Last device exit. */
 881                 if (list[i].d_id.b.rsvd_1 != 0)
 882                         break;
 883         }
 884
 885         return (rval);
 886 }
 887
 888 /**
 889  * qla2x00_sns_gnn_id() - SNS Get Node Name (GNN_ID) query.
 890  * @ha: HA context
 891  * @list: switch info entries to populate
 892  *
 893  * This command uses the old Exectute SNS Command mailbox routine.
 894  *
 895  * Returns 0 on success.
 896  */
 897 static int
 898 qla2x00_sns_gnn_id(scsi_qla_host_t *ha, sw_info_t *list)
 899 {
 900         int             rval;
 901
 902         uint16_t        i;
 903         struct sns_cmd_pkt      *sns_cmd;
 904
 905         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
 906                 /* Issue GNN_ID */
 907                 /* Prepare SNS command request. */
 908                 sns_cmd = qla2x00_prep_sns_cmd(ha, GNN_ID_CMD,
 909                     GNN_ID_SNS_SCMD_LEN, GNN_ID_SNS_DATA_SIZE);
 910
 911                 /* Prepare SNS command arguments -- port_id. */
 912                 sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
 913                 sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
 914                 sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
 915
 916                 /* Execute SNS command. */
 917                 rval = qla2x00_send_sns(ha, ha->sns_cmd_dma,
 918                     GNN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
 919                 if (rval != QLA_SUCCESS) {
 920                         /*EMPTY*/
 921                         DEBUG2_3(printk("scsi(%ld): GNN_ID Send SNS failed "
 922                             "(%d).\n", ha->host_no, rval));
 923                 } else if (sns_cmd->p.gnn_data[8] != 0x80 ||
 924                     sns_cmd->p.gnn_data[9] != 0x02) {
 925                         DEBUG2_3(printk("scsi(%ld): GNN_ID failed, rejected "
 926                             "request, gnn_rsp:\n", ha->host_no));
 927                         DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gnn_data, 16));
 928                         rval = QLA_FUNCTION_FAILED;
 929                 } else {
 930                         /* Save nodename */
 931                         memcpy(list[i].node_name, &sns_cmd->p.gnn_data[16],
 932                             WWN_SIZE);
 933
 934                         DEBUG2_3(printk("scsi(%ld): GID_PT entry - "
 935                             "nn %02x%02x%02x%02x%02x%02x%02x%02x "
 936                             "pn %02x%02x%02x%02x%02x%02x%02x%02x "
 937                             "portid=%02x%02x%02x.\n",
 938                             ha->host_no,
 939                             list[i].node_name[0], list[i].node_name[1],
 940                             list[i].node_name[2], list[i].node_name[3],
 941                             list[i].node_name[4], list[i].node_name[5],
 942                             list[i].node_name[6], list[i].node_name[7],
 943                             list[i].port_name[0], list[i].port_name[1],
 944                             list[i].port_name[2], list[i].port_name[3],
 945                             list[i].port_name[4], list[i].port_name[5],
 946                             list[i].port_name[6], list[i].port_name[7],
 947                             list[i].d_id.b.domain, list[i].d_id.b.area,
 948                             list[i].d_id.b.al_pa));
 949                 }
 950
 951                 /* Last device exit. */
 952                 if (list[i].d_id.b.rsvd_1 != 0)
 953                         break;
 954         }
 955
 956         return (rval);
 957 }
 958
 959 /**
 960  * qla2x00_snd_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
 961  * @ha: HA context
 962  *
 963  * This command uses the old Exectute SNS Command mailbox routine.
 964  *
 965  * Returns 0 on success.
 966  */
 967 static int
 968 qla2x00_sns_rft_id(scsi_qla_host_t *ha)
 969 {
 970         int             rval;
 971
 972         struct sns_cmd_pkt      *sns_cmd;
 973
 974         /* Issue RFT_ID. */
 975         /* Prepare SNS command request. */
 976         sns_cmd = qla2x00_prep_sns_cmd(ha, RFT_ID_CMD, RFT_ID_SNS_SCMD_LEN,
 977             RFT_ID_SNS_DATA_SIZE);
 978
 979         /* Prepare SNS command arguments -- port_id, FC-4 types */
 980         sns_cmd->p.cmd.param[0] = ha->d_id.b.al_pa;
 981         sns_cmd->p.cmd.param[1] = ha->d_id.b.area;
 982         sns_cmd->p.cmd.param[2] = ha->d_id.b.domain;
 983
 984         sns_cmd->p.cmd.param[5] = 0x01;                 /* FCP-3 */
 985
 986         /* Execute SNS command. */
 987         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, RFT_ID_SNS_CMD_SIZE / 2,
 988             sizeof(struct sns_cmd_pkt));
 989         if (rval != QLA_SUCCESS) {
 990                 /*EMPTY*/
 991                 DEBUG2_3(printk("scsi(%ld): RFT_ID Send SNS failed (%d).\n",
 992                     ha->host_no, rval));
 993         } else if (sns_cmd->p.rft_data[8] != 0x80 ||
 994             sns_cmd->p.rft_data[9] != 0x02) {
 995                 DEBUG2_3(printk("scsi(%ld): RFT_ID failed, rejected request, "
 996                     "rft_rsp:\n", ha->host_no));
 997                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.rft_data, 16));
 998                 rval = QLA_FUNCTION_FAILED;
 999         } else {
1000                 DEBUG2(printk("scsi(%ld): RFT_ID exiting normally.\n",
1001                     ha->host_no));
1002         }
1003
1004         return (rval);
1005 }
1006
1007 /**
1008  * qla2x00_sns_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
1009  * HBA.
1010  * @ha: HA context
1011  *
1012  * This command uses the old Exectute SNS Command mailbox routine.
1013  *
1014  * Returns 0 on success.
1015  */
1016 static int
1017 qla2x00_sns_rnn_id(scsi_qla_host_t *ha)
1018 {
1019         int             rval;
1020
1021         struct sns_cmd_pkt      *sns_cmd;
1022
1023         /* Issue RNN_ID. */
1024         /* Prepare SNS command request. */
1025         sns_cmd = qla2x00_prep_sns_cmd(ha, RNN_ID_CMD, RNN_ID_SNS_SCMD_LEN,
1026             RNN_ID_SNS_DATA_SIZE);
1027
1028         /* Prepare SNS command arguments -- port_id, nodename. */
1029         sns_cmd->p.cmd.param[0] = ha->d_id.b.al_pa;
1030         sns_cmd->p.cmd.param[1] = ha->d_id.b.area;
1031         sns_cmd->p.cmd.param[2] = ha->d_id.b.domain;
1032
1033         sns_cmd->p.cmd.param[4] = ha->init_cb->node_name[7];
1034         sns_cmd->p.cmd.param[5] = ha->init_cb->node_name[6];
1035         sns_cmd->p.cmd.param[6] = ha->init_cb->node_name[5];
1036         sns_cmd->p.cmd.param[7] = ha->init_cb->node_name[4];
1037         sns_cmd->p.cmd.param[8] = ha->init_cb->node_name[3];
1038         sns_cmd->p.cmd.param[9] = ha->init_cb->node_name[2];
1039         sns_cmd->p.cmd.param[10] = ha->init_cb->node_name[1];
1040         sns_cmd->p.cmd.param[11] = ha->init_cb->node_name[0];
1041
1042         /* Execute SNS command. */
1043         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, RNN_ID_SNS_CMD_SIZE / 2,
1044             sizeof(struct sns_cmd_pkt));
1045         if (rval != QLA_SUCCESS) {
1046                 /*EMPTY*/
1047                 DEBUG2_3(printk("scsi(%ld): RNN_ID Send SNS failed (%d).\n",
1048                     ha->host_no, rval));
1049         } else if (sns_cmd->p.rnn_data[8] != 0x80 ||
1050             sns_cmd->p.rnn_data[9] != 0x02) {
1051                 DEBUG2_3(printk("scsi(%ld): RNN_ID failed, rejected request, "
1052                     "rnn_rsp:\n", ha->host_no));
1053                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.rnn_data, 16));
1054                 rval = QLA_FUNCTION_FAILED;
1055         } else {
1056                 DEBUG2(printk("scsi(%ld): RNN_ID exiting normally.\n",
1057                     ha->host_no));
1058         }
1059
1060         return (rval);
1061 }