Merge branch 'upstream'
[linux-2.6] / drivers / scsi / qla2xxx / qla_gs.c
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2005 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8
9 static inline struct ct_sns_req *
10 qla2x00_prep_ct_req(struct ct_sns_req *, uint16_t, uint16_t);
11
12 static inline struct sns_cmd_pkt *
13 qla2x00_prep_sns_cmd(scsi_qla_host_t *, uint16_t, uint16_t, uint16_t);
14
15 static int qla2x00_sns_ga_nxt(scsi_qla_host_t *, fc_port_t *);
16 static int qla2x00_sns_gid_pt(scsi_qla_host_t *, sw_info_t *);
17 static int qla2x00_sns_gpn_id(scsi_qla_host_t *, sw_info_t *);
18 static int qla2x00_sns_gnn_id(scsi_qla_host_t *, sw_info_t *);
19 static int qla2x00_sns_rft_id(scsi_qla_host_t *);
20 static int qla2x00_sns_rnn_id(scsi_qla_host_t *);
21
22 /**
23  * qla2x00_prep_ms_iocb() - Prepare common MS/CT IOCB fields for SNS CT query.
24  * @ha: HA context
25  * @req_size: request size in bytes
26  * @rsp_size: response size in bytes
27  *
28  * Returns a pointer to the @ha's ms_iocb.
29  */
30 void *
31 qla2x00_prep_ms_iocb(scsi_qla_host_t *ha, uint32_t req_size, uint32_t rsp_size)
32 {
33         ms_iocb_entry_t *ms_pkt;
34
35         ms_pkt = ha->ms_iocb;
36         memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
37
38         ms_pkt->entry_type = MS_IOCB_TYPE;
39         ms_pkt->entry_count = 1;
40         SET_TARGET_ID(ha, ms_pkt->loop_id, SIMPLE_NAME_SERVER);
41         ms_pkt->control_flags = __constant_cpu_to_le16(CF_READ | CF_HEAD_TAG);
42         ms_pkt->timeout = __constant_cpu_to_le16(25);
43         ms_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
44         ms_pkt->total_dsd_count = __constant_cpu_to_le16(2);
45         ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
46         ms_pkt->req_bytecount = cpu_to_le32(req_size);
47
48         ms_pkt->dseg_req_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
49         ms_pkt->dseg_req_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
50         ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
51
52         ms_pkt->dseg_rsp_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
53         ms_pkt->dseg_rsp_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
54         ms_pkt->dseg_rsp_length = ms_pkt->rsp_bytecount;
55
56         return (ms_pkt);
57 }
58
59 /**
60  * qla24xx_prep_ms_iocb() - Prepare common CT IOCB fields for SNS CT query.
61  * @ha: HA context
62  * @req_size: request size in bytes
63  * @rsp_size: response size in bytes
64  *
65  * Returns a pointer to the @ha's ms_iocb.
66  */
67 void *
68 qla24xx_prep_ms_iocb(scsi_qla_host_t *ha, uint32_t req_size, uint32_t rsp_size)
69 {
70         struct ct_entry_24xx *ct_pkt;
71
72         ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
73         memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
74
75         ct_pkt->entry_type = CT_IOCB_TYPE;
76         ct_pkt->entry_count = 1;
77         ct_pkt->nport_handle = __constant_cpu_to_le16(NPH_SNS);
78         ct_pkt->timeout = __constant_cpu_to_le16(25);
79         ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
80         ct_pkt->rsp_dsd_count = __constant_cpu_to_le16(1);
81         ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
82         ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
83
84         ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
85         ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
86         ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
87
88         ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
89         ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
90         ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
91
92         return (ct_pkt);
93 }
94
95 /**
96  * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
97  * @ct_req: CT request buffer
98  * @cmd: GS command
99  * @rsp_size: response size in bytes
100  *
101  * Returns a pointer to the intitialized @ct_req.
102  */
103 static inline struct ct_sns_req *
104 qla2x00_prep_ct_req(struct ct_sns_req *ct_req, uint16_t cmd, uint16_t rsp_size)
105 {
106         memset(ct_req, 0, sizeof(struct ct_sns_pkt));
107
108         ct_req->header.revision = 0x01;
109         ct_req->header.gs_type = 0xFC;
110         ct_req->header.gs_subtype = 0x02;
111         ct_req->command = cpu_to_be16(cmd);
112         ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
113
114         return (ct_req);
115 }
116
117 static int
118 qla2x00_chk_ms_status(scsi_qla_host_t *ha, ms_iocb_entry_t *ms_pkt,
119     struct ct_sns_rsp *ct_rsp, const char *routine)
120 {
121         int rval;
122         uint16_t comp_status;
123
124         rval = QLA_FUNCTION_FAILED;
125         if (ms_pkt->entry_status != 0) {
126                 DEBUG2_3(printk("scsi(%ld): %s failed, error status (%x).\n",
127                     ha->host_no, routine, ms_pkt->entry_status));
128         } else {
129                 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
130                         comp_status =
131                             ((struct ct_entry_24xx *)ms_pkt)->comp_status;
132                 else
133                         comp_status = le16_to_cpu(ms_pkt->status);
134                 switch (comp_status) {
135                 case CS_COMPLETE:
136                 case CS_DATA_UNDERRUN:
137                 case CS_DATA_OVERRUN:           /* Overrun? */
138                         if (ct_rsp->header.response !=
139                             __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
140                                 DEBUG2_3(printk("scsi(%ld): %s failed, "
141                                     "rejected request:\n", ha->host_no,
142                                     routine));
143                                 DEBUG2_3(qla2x00_dump_buffer(
144                                     (uint8_t *)&ct_rsp->header,
145                                     sizeof(struct ct_rsp_hdr)));
146                         } else
147                                 rval = QLA_SUCCESS;
148                         break;
149                 default:
150                         DEBUG2_3(printk("scsi(%ld): %s failed, completion "
151                             "status (%x).\n", ha->host_no, routine,
152                             comp_status));
153                         break;
154                 }
155         }
156         return rval;
157 }
158
159 /**
160  * qla2x00_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
161  * @ha: HA context
162  * @fcport: fcport entry to updated
163  *
164  * Returns 0 on success.
165  */
166 int
167 qla2x00_ga_nxt(scsi_qla_host_t *ha, fc_port_t *fcport)
168 {
169         int             rval;
170
171         ms_iocb_entry_t *ms_pkt;
172         struct ct_sns_req       *ct_req;
173         struct ct_sns_rsp       *ct_rsp;
174
175         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
176                 return (qla2x00_sns_ga_nxt(ha, fcport));
177         }
178
179         /* Issue GA_NXT */
180         /* Prepare common MS IOCB */
181         ms_pkt = ha->isp_ops.prep_ms_iocb(ha, GA_NXT_REQ_SIZE, GA_NXT_RSP_SIZE);
182
183         /* Prepare CT request */
184         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GA_NXT_CMD,
185             GA_NXT_RSP_SIZE);
186         ct_rsp = &ha->ct_sns->p.rsp;
187
188         /* Prepare CT arguments -- port_id */
189         ct_req->req.port_id.port_id[0] = fcport->d_id.b.domain;
190         ct_req->req.port_id.port_id[1] = fcport->d_id.b.area;
191         ct_req->req.port_id.port_id[2] = fcport->d_id.b.al_pa;
192
193         /* Execute MS IOCB */
194         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
195             sizeof(ms_iocb_entry_t));
196         if (rval != QLA_SUCCESS) {
197                 /*EMPTY*/
198                 DEBUG2_3(printk("scsi(%ld): GA_NXT issue IOCB failed (%d).\n",
199                     ha->host_no, rval));
200         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "GA_NXT") !=
201             QLA_SUCCESS) {
202                 rval = QLA_FUNCTION_FAILED;
203         } else {
204                 /* Populate fc_port_t entry. */
205                 fcport->d_id.b.domain = ct_rsp->rsp.ga_nxt.port_id[0];
206                 fcport->d_id.b.area = ct_rsp->rsp.ga_nxt.port_id[1];
207                 fcport->d_id.b.al_pa = ct_rsp->rsp.ga_nxt.port_id[2];
208
209                 memcpy(fcport->node_name, ct_rsp->rsp.ga_nxt.node_name,
210                     WWN_SIZE);
211                 memcpy(fcport->port_name, ct_rsp->rsp.ga_nxt.port_name,
212                     WWN_SIZE);
213
214                 if (ct_rsp->rsp.ga_nxt.port_type != NS_N_PORT_TYPE &&
215                     ct_rsp->rsp.ga_nxt.port_type != NS_NL_PORT_TYPE)
216                         fcport->d_id.b.domain = 0xf0;
217
218                 DEBUG2_3(printk("scsi(%ld): GA_NXT entry - "
219                     "nn %02x%02x%02x%02x%02x%02x%02x%02x "
220                     "pn %02x%02x%02x%02x%02x%02x%02x%02x "
221                     "portid=%02x%02x%02x.\n",
222                     ha->host_no,
223                     fcport->node_name[0], fcport->node_name[1],
224                     fcport->node_name[2], fcport->node_name[3],
225                     fcport->node_name[4], fcport->node_name[5],
226                     fcport->node_name[6], fcport->node_name[7],
227                     fcport->port_name[0], fcport->port_name[1],
228                     fcport->port_name[2], fcport->port_name[3],
229                     fcport->port_name[4], fcport->port_name[5],
230                     fcport->port_name[6], fcport->port_name[7],
231                     fcport->d_id.b.domain, fcport->d_id.b.area,
232                     fcport->d_id.b.al_pa));
233         }
234
235         return (rval);
236 }
237
238 /**
239  * qla2x00_gid_pt() - SNS scan for fabric devices via GID_PT command.
240  * @ha: HA context
241  * @list: switch info entries to populate
242  *
243  * NOTE: Non-Nx_Ports are not requested.
244  *
245  * Returns 0 on success.
246  */
247 int
248 qla2x00_gid_pt(scsi_qla_host_t *ha, sw_info_t *list)
249 {
250         int             rval;
251         uint16_t        i;
252
253         ms_iocb_entry_t *ms_pkt;
254         struct ct_sns_req       *ct_req;
255         struct ct_sns_rsp       *ct_rsp;
256
257         struct ct_sns_gid_pt_data *gid_data;
258
259         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
260                 return (qla2x00_sns_gid_pt(ha, list));
261         }
262
263         gid_data = NULL;
264
265         /* Issue GID_PT */
266         /* Prepare common MS IOCB */
267         ms_pkt = ha->isp_ops.prep_ms_iocb(ha, GID_PT_REQ_SIZE, GID_PT_RSP_SIZE);
268
269         /* Prepare CT request */
270         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GID_PT_CMD,
271             GID_PT_RSP_SIZE);
272         ct_rsp = &ha->ct_sns->p.rsp;
273
274         /* Prepare CT arguments -- port_type */
275         ct_req->req.gid_pt.port_type = NS_NX_PORT_TYPE;
276
277         /* Execute MS IOCB */
278         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
279             sizeof(ms_iocb_entry_t));
280         if (rval != QLA_SUCCESS) {
281                 /*EMPTY*/
282                 DEBUG2_3(printk("scsi(%ld): GID_PT issue IOCB failed (%d).\n",
283                     ha->host_no, rval));
284         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "GID_PT") !=
285             QLA_SUCCESS) {
286                 rval = QLA_FUNCTION_FAILED;
287         } else {
288                 /* Set port IDs in switch info list. */
289                 for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
290                         gid_data = &ct_rsp->rsp.gid_pt.entries[i];
291                         list[i].d_id.b.domain = gid_data->port_id[0];
292                         list[i].d_id.b.area = gid_data->port_id[1];
293                         list[i].d_id.b.al_pa = gid_data->port_id[2];
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  */
322 int
323 qla2x00_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  */
383 int
384 qla2x00_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  */
459 int
460 qla2x00_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, RFT_ID_RSP_SIZE);
475
476         /* Prepare CT request */
477         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFT_ID_CMD,
478             RFT_ID_RSP_SIZE);
479         ct_rsp = &ha->ct_sns->p.rsp;
480
481         /* Prepare CT arguments -- port_id, FC-4 types */
482         ct_req->req.rft_id.port_id[0] = ha->d_id.b.domain;
483         ct_req->req.rft_id.port_id[1] = ha->d_id.b.area;
484         ct_req->req.rft_id.port_id[2] = ha->d_id.b.al_pa;
485
486         ct_req->req.rft_id.fc4_types[2] = 0x01;         /* FCP-3 */
487
488         /* Execute MS IOCB */
489         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
490             sizeof(ms_iocb_entry_t));
491         if (rval != QLA_SUCCESS) {
492                 /*EMPTY*/
493                 DEBUG2_3(printk("scsi(%ld): RFT_ID issue IOCB failed (%d).\n",
494                     ha->host_no, rval));
495         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RFT_ID") !=
496             QLA_SUCCESS) {
497                 rval = QLA_FUNCTION_FAILED;
498         } else {
499                 DEBUG2(printk("scsi(%ld): RFT_ID exiting normally.\n",
500                     ha->host_no));
501         }
502
503         return (rval);
504 }
505
506 /**
507  * qla2x00_rff_id() - SNS Register FC-4 Features (RFF_ID) supported by the HBA.
508  * @ha: HA context
509  *
510  * Returns 0 on success.
511  */
512 int
513 qla2x00_rff_id(scsi_qla_host_t *ha)
514 {
515         int             rval;
516
517         ms_iocb_entry_t *ms_pkt;
518         struct ct_sns_req       *ct_req;
519         struct ct_sns_rsp       *ct_rsp;
520
521         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
522                 DEBUG2(printk("scsi(%ld): RFF_ID call unsupported on "
523                     "ISP2100/ISP2200.\n", ha->host_no));
524                 return (QLA_SUCCESS);
525         }
526
527         /* Issue RFF_ID */
528         /* Prepare common MS IOCB */
529         ms_pkt = ha->isp_ops.prep_ms_iocb(ha, RFF_ID_REQ_SIZE, RFF_ID_RSP_SIZE);
530
531         /* Prepare CT request */
532         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFF_ID_CMD,
533             RFF_ID_RSP_SIZE);
534         ct_rsp = &ha->ct_sns->p.rsp;
535
536         /* Prepare CT arguments -- port_id, FC-4 feature, FC-4 type */
537         ct_req->req.rff_id.port_id[0] = ha->d_id.b.domain;
538         ct_req->req.rff_id.port_id[1] = ha->d_id.b.area;
539         ct_req->req.rff_id.port_id[2] = ha->d_id.b.al_pa;
540
541         ct_req->req.rff_id.fc4_feature = BIT_1;
542         ct_req->req.rff_id.fc4_type = 0x08;             /* SCSI - FCP */
543
544         /* Execute MS IOCB */
545         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
546             sizeof(ms_iocb_entry_t));
547         if (rval != QLA_SUCCESS) {
548                 /*EMPTY*/
549                 DEBUG2_3(printk("scsi(%ld): RFF_ID issue IOCB failed (%d).\n",
550                     ha->host_no, rval));
551         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RFF_ID") !=
552             QLA_SUCCESS) {
553                 rval = QLA_FUNCTION_FAILED;
554         } else {
555                 DEBUG2(printk("scsi(%ld): RFF_ID exiting normally.\n",
556                     ha->host_no));
557         }
558
559         return (rval);
560 }
561
562 /**
563  * qla2x00_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
564  * @ha: HA context
565  *
566  * Returns 0 on success.
567  */
568 int
569 qla2x00_rnn_id(scsi_qla_host_t *ha)
570 {
571         int             rval;
572
573         ms_iocb_entry_t *ms_pkt;
574         struct ct_sns_req       *ct_req;
575         struct ct_sns_rsp       *ct_rsp;
576
577         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
578                 return (qla2x00_sns_rnn_id(ha));
579         }
580
581         /* Issue RNN_ID */
582         /* Prepare common MS IOCB */
583         ms_pkt = ha->isp_ops.prep_ms_iocb(ha, RNN_ID_REQ_SIZE, RNN_ID_RSP_SIZE);
584
585         /* Prepare CT request */
586         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RNN_ID_CMD,
587             RNN_ID_RSP_SIZE);
588         ct_rsp = &ha->ct_sns->p.rsp;
589
590         /* Prepare CT arguments -- port_id, node_name */
591         ct_req->req.rnn_id.port_id[0] = ha->d_id.b.domain;
592         ct_req->req.rnn_id.port_id[1] = ha->d_id.b.area;
593         ct_req->req.rnn_id.port_id[2] = ha->d_id.b.al_pa;
594
595         memcpy(ct_req->req.rnn_id.node_name, ha->node_name, WWN_SIZE);
596
597         /* Execute MS IOCB */
598         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
599             sizeof(ms_iocb_entry_t));
600         if (rval != QLA_SUCCESS) {
601                 /*EMPTY*/
602                 DEBUG2_3(printk("scsi(%ld): RNN_ID issue IOCB failed (%d).\n",
603                     ha->host_no, rval));
604         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RNN_ID") !=
605             QLA_SUCCESS) {
606                 rval = QLA_FUNCTION_FAILED;
607         } else {
608                 DEBUG2(printk("scsi(%ld): RNN_ID exiting normally.\n",
609                     ha->host_no));
610         }
611
612         return (rval);
613 }
614
615 /**
616  * qla2x00_rsnn_nn() - SNS Register Symbolic Node Name (RSNN_NN) of the HBA.
617  * @ha: HA context
618  *
619  * Returns 0 on success.
620  */
621 int
622 qla2x00_rsnn_nn(scsi_qla_host_t *ha)
623 {
624         int             rval;
625         uint8_t         *snn;
626         uint8_t         version[20];
627
628         ms_iocb_entry_t *ms_pkt;
629         struct ct_sns_req       *ct_req;
630         struct ct_sns_rsp       *ct_rsp;
631
632         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
633                 DEBUG2(printk("scsi(%ld): RSNN_ID call unsupported on "
634                     "ISP2100/ISP2200.\n", ha->host_no));
635                 return (QLA_SUCCESS);
636         }
637
638         /* Issue RSNN_NN */
639         /* Prepare common MS IOCB */
640         /*   Request size adjusted after CT preparation */
641         ms_pkt = ha->isp_ops.prep_ms_iocb(ha, 0, RSNN_NN_RSP_SIZE);
642
643         /* Prepare CT request */
644         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RSNN_NN_CMD,
645             RSNN_NN_RSP_SIZE);
646         ct_rsp = &ha->ct_sns->p.rsp;
647
648         /* Prepare CT arguments -- node_name, symbolic node_name, size */
649         memcpy(ct_req->req.rsnn_nn.node_name, ha->node_name, WWN_SIZE);
650
651         /* Prepare the Symbolic Node Name */
652         /* Board type */
653         snn = ct_req->req.rsnn_nn.sym_node_name;
654         strcpy(snn, ha->model_number);
655         /* Firmware version */
656         strcat(snn, " FW:v");
657         sprintf(version, "%d.%02d.%02d", ha->fw_major_version,
658             ha->fw_minor_version, ha->fw_subminor_version);
659         strcat(snn, version);
660         /* Driver version */
661         strcat(snn, " DVR:v");
662         strcat(snn, qla2x00_version_str);
663
664         /* Calculate SNN length */
665         ct_req->req.rsnn_nn.name_len = (uint8_t)strlen(snn);
666
667         /* Update MS IOCB request */
668         ms_pkt->req_bytecount =
669             cpu_to_le32(24 + 1 + ct_req->req.rsnn_nn.name_len);
670         ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
671
672         /* Execute MS IOCB */
673         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
674             sizeof(ms_iocb_entry_t));
675         if (rval != QLA_SUCCESS) {
676                 /*EMPTY*/
677                 DEBUG2_3(printk("scsi(%ld): RSNN_NN issue IOCB failed (%d).\n",
678                     ha->host_no, rval));
679         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RSNN_NN") !=
680             QLA_SUCCESS) {
681                 rval = QLA_FUNCTION_FAILED;
682         } else {
683                 DEBUG2(printk("scsi(%ld): RSNN_NN exiting normally.\n",
684                     ha->host_no));
685         }
686
687         return (rval);
688 }
689
690
691 /**
692  * qla2x00_prep_sns_cmd() - Prepare common SNS command request fields for query.
693  * @ha: HA context
694  * @cmd: GS command
695  * @scmd_len: Subcommand length
696  * @data_size: response size in bytes
697  *
698  * Returns a pointer to the @ha's sns_cmd.
699  */
700 static inline struct sns_cmd_pkt *
701 qla2x00_prep_sns_cmd(scsi_qla_host_t *ha, uint16_t cmd, uint16_t scmd_len,
702     uint16_t data_size)
703 {
704         uint16_t                wc;
705         struct sns_cmd_pkt      *sns_cmd;
706
707         sns_cmd = ha->sns_cmd;
708         memset(sns_cmd, 0, sizeof(struct sns_cmd_pkt));
709         wc = data_size / 2;                     /* Size in 16bit words. */
710         sns_cmd->p.cmd.buffer_length = cpu_to_le16(wc);
711         sns_cmd->p.cmd.buffer_address[0] = cpu_to_le32(LSD(ha->sns_cmd_dma));
712         sns_cmd->p.cmd.buffer_address[1] = cpu_to_le32(MSD(ha->sns_cmd_dma));
713         sns_cmd->p.cmd.subcommand_length = cpu_to_le16(scmd_len);
714         sns_cmd->p.cmd.subcommand = cpu_to_le16(cmd);
715         wc = (data_size - 16) / 4;              /* Size in 32bit words. */
716         sns_cmd->p.cmd.size = cpu_to_le16(wc);
717
718         return (sns_cmd);
719 }
720
721 /**
722  * qla2x00_sns_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
723  * @ha: HA context
724  * @fcport: fcport entry to updated
725  *
726  * This command uses the old Exectute SNS Command mailbox routine.
727  *
728  * Returns 0 on success.
729  */
730 static int
731 qla2x00_sns_ga_nxt(scsi_qla_host_t *ha, fc_port_t *fcport)
732 {
733         int             rval;
734
735         struct sns_cmd_pkt      *sns_cmd;
736
737         /* Issue GA_NXT. */
738         /* Prepare SNS command request. */
739         sns_cmd = qla2x00_prep_sns_cmd(ha, GA_NXT_CMD, GA_NXT_SNS_SCMD_LEN,
740             GA_NXT_SNS_DATA_SIZE);
741
742         /* Prepare SNS command arguments -- port_id. */
743         sns_cmd->p.cmd.param[0] = fcport->d_id.b.al_pa;
744         sns_cmd->p.cmd.param[1] = fcport->d_id.b.area;
745         sns_cmd->p.cmd.param[2] = fcport->d_id.b.domain;
746
747         /* Execute SNS command. */
748         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, GA_NXT_SNS_CMD_SIZE / 2,
749             sizeof(struct sns_cmd_pkt));
750         if (rval != QLA_SUCCESS) {
751                 /*EMPTY*/
752                 DEBUG2_3(printk("scsi(%ld): GA_NXT Send SNS failed (%d).\n",
753                     ha->host_no, rval));
754         } else if (sns_cmd->p.gan_data[8] != 0x80 ||
755             sns_cmd->p.gan_data[9] != 0x02) {
756                 DEBUG2_3(printk("scsi(%ld): GA_NXT failed, rejected request, "
757                     "ga_nxt_rsp:\n", ha->host_no));
758                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gan_data, 16));
759                 rval = QLA_FUNCTION_FAILED;
760         } else {
761                 /* Populate fc_port_t entry. */
762                 fcport->d_id.b.domain = sns_cmd->p.gan_data[17];
763                 fcport->d_id.b.area = sns_cmd->p.gan_data[18];
764                 fcport->d_id.b.al_pa = sns_cmd->p.gan_data[19];
765
766                 memcpy(fcport->node_name, &sns_cmd->p.gan_data[284], WWN_SIZE);
767                 memcpy(fcport->port_name, &sns_cmd->p.gan_data[20], WWN_SIZE);
768
769                 if (sns_cmd->p.gan_data[16] != NS_N_PORT_TYPE &&
770                     sns_cmd->p.gan_data[16] != NS_NL_PORT_TYPE)
771                         fcport->d_id.b.domain = 0xf0;
772
773                 DEBUG2_3(printk("scsi(%ld): GA_NXT entry - "
774                     "nn %02x%02x%02x%02x%02x%02x%02x%02x "
775                     "pn %02x%02x%02x%02x%02x%02x%02x%02x "
776                     "portid=%02x%02x%02x.\n",
777                     ha->host_no,
778                     fcport->node_name[0], fcport->node_name[1],
779                     fcport->node_name[2], fcport->node_name[3],
780                     fcport->node_name[4], fcport->node_name[5],
781                     fcport->node_name[6], fcport->node_name[7],
782                     fcport->port_name[0], fcport->port_name[1],
783                     fcport->port_name[2], fcport->port_name[3],
784                     fcport->port_name[4], fcport->port_name[5],
785                     fcport->port_name[6], fcport->port_name[7],
786                     fcport->d_id.b.domain, fcport->d_id.b.area,
787                     fcport->d_id.b.al_pa));
788         }
789
790         return (rval);
791 }
792
793 /**
794  * qla2x00_sns_gid_pt() - SNS scan for fabric devices via GID_PT command.
795  * @ha: HA context
796  * @list: switch info entries to populate
797  *
798  * This command uses the old Exectute SNS Command mailbox routine.
799  *
800  * NOTE: Non-Nx_Ports are not requested.
801  *
802  * Returns 0 on success.
803  */
804 static int
805 qla2x00_sns_gid_pt(scsi_qla_host_t *ha, sw_info_t *list)
806 {
807         int             rval;
808
809         uint16_t        i;
810         uint8_t         *entry;
811         struct sns_cmd_pkt      *sns_cmd;
812
813         /* Issue GID_PT. */
814         /* Prepare SNS command request. */
815         sns_cmd = qla2x00_prep_sns_cmd(ha, GID_PT_CMD, GID_PT_SNS_SCMD_LEN,
816             GID_PT_SNS_DATA_SIZE);
817
818         /* Prepare SNS command arguments -- port_type. */
819         sns_cmd->p.cmd.param[0] = NS_NX_PORT_TYPE;
820
821         /* Execute SNS command. */
822         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, GID_PT_SNS_CMD_SIZE / 2,
823             sizeof(struct sns_cmd_pkt));
824         if (rval != QLA_SUCCESS) {
825                 /*EMPTY*/
826                 DEBUG2_3(printk("scsi(%ld): GID_PT Send SNS failed (%d).\n",
827                     ha->host_no, rval));
828         } else if (sns_cmd->p.gid_data[8] != 0x80 ||
829             sns_cmd->p.gid_data[9] != 0x02) {
830                 DEBUG2_3(printk("scsi(%ld): GID_PT failed, rejected request, "
831                     "gid_rsp:\n", ha->host_no));
832                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gid_data, 16));
833                 rval = QLA_FUNCTION_FAILED;
834         } else {
835                 /* Set port IDs in switch info list. */
836                 for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
837                         entry = &sns_cmd->p.gid_data[(i * 4) + 16];
838                         list[i].d_id.b.domain = entry[1];
839                         list[i].d_id.b.area = entry[2];
840                         list[i].d_id.b.al_pa = entry[3];
841
842                         /* Last one exit. */
843                         if (entry[0] & BIT_7) {
844                                 list[i].d_id.b.rsvd_1 = entry[0];
845                                 break;
846                         }
847                 }
848
849                 /*
850                  * If we've used all available slots, then the switch is
851                  * reporting back more devices that we can handle with this
852                  * single call.  Return a failed status, and let GA_NXT handle
853                  * the overload.
854                  */
855                 if (i == MAX_FIBRE_DEVICES)
856                         rval = QLA_FUNCTION_FAILED;
857         }
858
859         return (rval);
860 }
861
862 /**
863  * qla2x00_sns_gpn_id() - SNS Get Port Name (GPN_ID) query.
864  * @ha: HA context
865  * @list: switch info entries to populate
866  *
867  * This command uses the old Exectute SNS Command mailbox routine.
868  *
869  * Returns 0 on success.
870  */
871 static int
872 qla2x00_sns_gpn_id(scsi_qla_host_t *ha, sw_info_t *list)
873 {
874         int             rval;
875
876         uint16_t        i;
877         struct sns_cmd_pkt      *sns_cmd;
878
879         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
880                 /* Issue GPN_ID */
881                 /* Prepare SNS command request. */
882                 sns_cmd = qla2x00_prep_sns_cmd(ha, GPN_ID_CMD,
883                     GPN_ID_SNS_SCMD_LEN, GPN_ID_SNS_DATA_SIZE);
884
885                 /* Prepare SNS command arguments -- port_id. */
886                 sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
887                 sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
888                 sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
889
890                 /* Execute SNS command. */
891                 rval = qla2x00_send_sns(ha, ha->sns_cmd_dma,
892                     GPN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
893                 if (rval != QLA_SUCCESS) {
894                         /*EMPTY*/
895                         DEBUG2_3(printk("scsi(%ld): GPN_ID Send SNS failed "
896                             "(%d).\n", ha->host_no, rval));
897                 } else if (sns_cmd->p.gpn_data[8] != 0x80 ||
898                     sns_cmd->p.gpn_data[9] != 0x02) {
899                         DEBUG2_3(printk("scsi(%ld): GPN_ID failed, rejected "
900                             "request, gpn_rsp:\n", ha->host_no));
901                         DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gpn_data, 16));
902                         rval = QLA_FUNCTION_FAILED;
903                 } else {
904                         /* Save portname */
905                         memcpy(list[i].port_name, &sns_cmd->p.gpn_data[16],
906                             WWN_SIZE);
907                 }
908
909                 /* Last device exit. */
910                 if (list[i].d_id.b.rsvd_1 != 0)
911                         break;
912         }
913
914         return (rval);
915 }
916
917 /**
918  * qla2x00_sns_gnn_id() - SNS Get Node Name (GNN_ID) query.
919  * @ha: HA context
920  * @list: switch info entries to populate
921  *
922  * This command uses the old Exectute SNS Command mailbox routine.
923  *
924  * Returns 0 on success.
925  */
926 static int
927 qla2x00_sns_gnn_id(scsi_qla_host_t *ha, sw_info_t *list)
928 {
929         int             rval;
930
931         uint16_t        i;
932         struct sns_cmd_pkt      *sns_cmd;
933
934         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
935                 /* Issue GNN_ID */
936                 /* Prepare SNS command request. */
937                 sns_cmd = qla2x00_prep_sns_cmd(ha, GNN_ID_CMD,
938                     GNN_ID_SNS_SCMD_LEN, GNN_ID_SNS_DATA_SIZE);
939
940                 /* Prepare SNS command arguments -- port_id. */
941                 sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
942                 sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
943                 sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
944
945                 /* Execute SNS command. */
946                 rval = qla2x00_send_sns(ha, ha->sns_cmd_dma,
947                     GNN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
948                 if (rval != QLA_SUCCESS) {
949                         /*EMPTY*/
950                         DEBUG2_3(printk("scsi(%ld): GNN_ID Send SNS failed "
951                             "(%d).\n", ha->host_no, rval));
952                 } else if (sns_cmd->p.gnn_data[8] != 0x80 ||
953                     sns_cmd->p.gnn_data[9] != 0x02) {
954                         DEBUG2_3(printk("scsi(%ld): GNN_ID failed, rejected "
955                             "request, gnn_rsp:\n", ha->host_no));
956                         DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gnn_data, 16));
957                         rval = QLA_FUNCTION_FAILED;
958                 } else {
959                         /* Save nodename */
960                         memcpy(list[i].node_name, &sns_cmd->p.gnn_data[16],
961                             WWN_SIZE);
962
963                         DEBUG2_3(printk("scsi(%ld): GID_PT entry - "
964                             "nn %02x%02x%02x%02x%02x%02x%02x%02x "
965                             "pn %02x%02x%02x%02x%02x%02x%02x%02x "
966                             "portid=%02x%02x%02x.\n",
967                             ha->host_no,
968                             list[i].node_name[0], list[i].node_name[1],
969                             list[i].node_name[2], list[i].node_name[3],
970                             list[i].node_name[4], list[i].node_name[5],
971                             list[i].node_name[6], list[i].node_name[7],
972                             list[i].port_name[0], list[i].port_name[1],
973                             list[i].port_name[2], list[i].port_name[3],
974                             list[i].port_name[4], list[i].port_name[5],
975                             list[i].port_name[6], list[i].port_name[7],
976                             list[i].d_id.b.domain, list[i].d_id.b.area,
977                             list[i].d_id.b.al_pa));
978                 }
979
980                 /* Last device exit. */
981                 if (list[i].d_id.b.rsvd_1 != 0)
982                         break;
983         }
984
985         return (rval);
986 }
987
988 /**
989  * qla2x00_snd_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
990  * @ha: HA context
991  *
992  * This command uses the old Exectute SNS Command mailbox routine.
993  *
994  * Returns 0 on success.
995  */
996 static int
997 qla2x00_sns_rft_id(scsi_qla_host_t *ha)
998 {
999         int             rval;
1000
1001         struct sns_cmd_pkt      *sns_cmd;
1002
1003         /* Issue RFT_ID. */
1004         /* Prepare SNS command request. */
1005         sns_cmd = qla2x00_prep_sns_cmd(ha, RFT_ID_CMD, RFT_ID_SNS_SCMD_LEN,
1006             RFT_ID_SNS_DATA_SIZE);
1007
1008         /* Prepare SNS command arguments -- port_id, FC-4 types */
1009         sns_cmd->p.cmd.param[0] = ha->d_id.b.al_pa;
1010         sns_cmd->p.cmd.param[1] = ha->d_id.b.area;
1011         sns_cmd->p.cmd.param[2] = ha->d_id.b.domain;
1012
1013         sns_cmd->p.cmd.param[5] = 0x01;                 /* FCP-3 */
1014
1015         /* Execute SNS command. */
1016         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, RFT_ID_SNS_CMD_SIZE / 2,
1017             sizeof(struct sns_cmd_pkt));
1018         if (rval != QLA_SUCCESS) {
1019                 /*EMPTY*/
1020                 DEBUG2_3(printk("scsi(%ld): RFT_ID Send SNS failed (%d).\n",
1021                     ha->host_no, rval));
1022         } else if (sns_cmd->p.rft_data[8] != 0x80 ||
1023             sns_cmd->p.rft_data[9] != 0x02) {
1024                 DEBUG2_3(printk("scsi(%ld): RFT_ID failed, rejected request, "
1025                     "rft_rsp:\n", ha->host_no));
1026                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.rft_data, 16));
1027                 rval = QLA_FUNCTION_FAILED;
1028         } else {
1029                 DEBUG2(printk("scsi(%ld): RFT_ID exiting normally.\n",
1030                     ha->host_no));
1031         }
1032
1033         return (rval);
1034 }
1035
1036 /**
1037  * qla2x00_sns_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
1038  * HBA.
1039  * @ha: HA context
1040  *
1041  * This command uses the old Exectute SNS Command mailbox routine.
1042  *
1043  * Returns 0 on success.
1044  */
1045 static int
1046 qla2x00_sns_rnn_id(scsi_qla_host_t *ha)
1047 {
1048         int             rval;
1049
1050         struct sns_cmd_pkt      *sns_cmd;
1051
1052         /* Issue RNN_ID. */
1053         /* Prepare SNS command request. */
1054         sns_cmd = qla2x00_prep_sns_cmd(ha, RNN_ID_CMD, RNN_ID_SNS_SCMD_LEN,
1055             RNN_ID_SNS_DATA_SIZE);
1056
1057         /* Prepare SNS command arguments -- port_id, nodename. */
1058         sns_cmd->p.cmd.param[0] = ha->d_id.b.al_pa;
1059         sns_cmd->p.cmd.param[1] = ha->d_id.b.area;
1060         sns_cmd->p.cmd.param[2] = ha->d_id.b.domain;
1061
1062         sns_cmd->p.cmd.param[4] = ha->node_name[7];
1063         sns_cmd->p.cmd.param[5] = ha->node_name[6];
1064         sns_cmd->p.cmd.param[6] = ha->node_name[5];
1065         sns_cmd->p.cmd.param[7] = ha->node_name[4];
1066         sns_cmd->p.cmd.param[8] = ha->node_name[3];
1067         sns_cmd->p.cmd.param[9] = ha->node_name[2];
1068         sns_cmd->p.cmd.param[10] = ha->node_name[1];
1069         sns_cmd->p.cmd.param[11] = ha->node_name[0];
1070
1071         /* Execute SNS command. */
1072         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, RNN_ID_SNS_CMD_SIZE / 2,
1073             sizeof(struct sns_cmd_pkt));
1074         if (rval != QLA_SUCCESS) {
1075                 /*EMPTY*/
1076                 DEBUG2_3(printk("scsi(%ld): RNN_ID Send SNS failed (%d).\n",
1077                     ha->host_no, rval));
1078         } else if (sns_cmd->p.rnn_data[8] != 0x80 ||
1079             sns_cmd->p.rnn_data[9] != 0x02) {
1080                 DEBUG2_3(printk("scsi(%ld): RNN_ID failed, rejected request, "
1081                     "rnn_rsp:\n", ha->host_no));
1082                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.rnn_data, 16));
1083                 rval = QLA_FUNCTION_FAILED;
1084         } else {
1085                 DEBUG2(printk("scsi(%ld): RNN_ID exiting normally.\n",
1086                     ha->host_no));
1087         }
1088
1089         return (rval);
1090 }
1091
1092 /**
1093  * qla2x00_mgmt_svr_login() - Login to fabric Managment Service.
1094  * @ha: HA context
1095  *
1096  * Returns 0 on success.
1097  */
1098 static int
1099 qla2x00_mgmt_svr_login(scsi_qla_host_t *ha)
1100 {
1101         int ret;
1102         uint16_t mb[MAILBOX_REGISTER_COUNT];
1103
1104         ret = QLA_SUCCESS;
1105         if (ha->flags.management_server_logged_in)
1106                 return ret;
1107
1108         ha->isp_ops.fabric_login(ha, ha->mgmt_svr_loop_id, 0xff, 0xff, 0xfa,
1109             mb, BIT_1);
1110         if (mb[0] != MBS_COMMAND_COMPLETE) {
1111                 DEBUG2_13(printk("%s(%ld): Failed MANAGEMENT_SERVER login: "
1112                     "loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x\n",
1113                     __func__, ha->host_no, ha->mgmt_svr_loop_id, mb[0], mb[1],
1114                     mb[2], mb[6], mb[7]));
1115                 ret = QLA_FUNCTION_FAILED;
1116         } else
1117                 ha->flags.management_server_logged_in = 1;
1118
1119         return ret;
1120 }
1121
1122 /**
1123  * qla2x00_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
1124  * @ha: HA context
1125  * @req_size: request size in bytes
1126  * @rsp_size: response size in bytes
1127  *
1128  * Returns a pointer to the @ha's ms_iocb.
1129  */
1130 void *
1131 qla2x00_prep_ms_fdmi_iocb(scsi_qla_host_t *ha, uint32_t req_size,
1132     uint32_t rsp_size)
1133 {
1134         ms_iocb_entry_t *ms_pkt;
1135
1136         ms_pkt = ha->ms_iocb;
1137         memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
1138
1139         ms_pkt->entry_type = MS_IOCB_TYPE;
1140         ms_pkt->entry_count = 1;
1141         SET_TARGET_ID(ha, ms_pkt->loop_id, ha->mgmt_svr_loop_id);
1142         ms_pkt->control_flags = __constant_cpu_to_le16(CF_READ | CF_HEAD_TAG);
1143         ms_pkt->timeout = __constant_cpu_to_le16(59);
1144         ms_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
1145         ms_pkt->total_dsd_count = __constant_cpu_to_le16(2);
1146         ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
1147         ms_pkt->req_bytecount = cpu_to_le32(req_size);
1148
1149         ms_pkt->dseg_req_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1150         ms_pkt->dseg_req_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1151         ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
1152
1153         ms_pkt->dseg_rsp_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1154         ms_pkt->dseg_rsp_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1155         ms_pkt->dseg_rsp_length = ms_pkt->rsp_bytecount;
1156
1157         return ms_pkt;
1158 }
1159
1160 /**
1161  * qla24xx_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
1162  * @ha: HA context
1163  * @req_size: request size in bytes
1164  * @rsp_size: response size in bytes
1165  *
1166  * Returns a pointer to the @ha's ms_iocb.
1167  */
1168 void *
1169 qla24xx_prep_ms_fdmi_iocb(scsi_qla_host_t *ha, uint32_t req_size,
1170     uint32_t rsp_size)
1171 {
1172         struct ct_entry_24xx *ct_pkt;
1173
1174         ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1175         memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
1176
1177         ct_pkt->entry_type = CT_IOCB_TYPE;
1178         ct_pkt->entry_count = 1;
1179         ct_pkt->nport_handle = cpu_to_le16(ha->mgmt_svr_loop_id);
1180         ct_pkt->timeout = __constant_cpu_to_le16(59);
1181         ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
1182         ct_pkt->rsp_dsd_count = __constant_cpu_to_le16(1);
1183         ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
1184         ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1185
1186         ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1187         ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1188         ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
1189
1190         ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1191         ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1192         ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
1193
1194         return ct_pkt;
1195 }
1196
1197 static inline ms_iocb_entry_t *
1198 qla2x00_update_ms_fdmi_iocb(scsi_qla_host_t *ha, uint32_t req_size)
1199 {
1200         ms_iocb_entry_t *ms_pkt = ha->ms_iocb;
1201         struct ct_entry_24xx *ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1202
1203         if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) {
1204                 ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1205                 ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
1206         } else {
1207                 ms_pkt->req_bytecount = cpu_to_le32(req_size);
1208                 ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
1209         }
1210
1211         return ms_pkt;
1212 }
1213
1214 /**
1215  * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
1216  * @ct_req: CT request buffer
1217  * @cmd: GS command
1218  * @rsp_size: response size in bytes
1219  *
1220  * Returns a pointer to the intitialized @ct_req.
1221  */
1222 static inline struct ct_sns_req *
1223 qla2x00_prep_ct_fdmi_req(struct ct_sns_req *ct_req, uint16_t cmd,
1224     uint16_t rsp_size)
1225 {
1226         memset(ct_req, 0, sizeof(struct ct_sns_pkt));
1227
1228         ct_req->header.revision = 0x01;
1229         ct_req->header.gs_type = 0xFA;
1230         ct_req->header.gs_subtype = 0x10;
1231         ct_req->command = cpu_to_be16(cmd);
1232         ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
1233
1234         return ct_req;
1235 }
1236
1237 /**
1238  * qla2x00_fdmi_rhba() -
1239  * @ha: HA context
1240  *
1241  * Returns 0 on success.
1242  */
1243 static int
1244 qla2x00_fdmi_rhba(scsi_qla_host_t *ha)
1245 {
1246         int rval, alen;
1247         uint32_t size, sn;
1248
1249         ms_iocb_entry_t *ms_pkt;
1250         struct ct_sns_req *ct_req;
1251         struct ct_sns_rsp *ct_rsp;
1252         uint8_t *entries;
1253         struct ct_fdmi_hba_attr *eiter;
1254
1255         /* Issue RHBA */
1256         /* Prepare common MS IOCB */
1257         /*   Request size adjusted after CT preparation */
1258         ms_pkt = ha->isp_ops.prep_ms_fdmi_iocb(ha, 0, RHBA_RSP_SIZE);
1259
1260         /* Prepare CT request */
1261         ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, RHBA_CMD,
1262             RHBA_RSP_SIZE);
1263         ct_rsp = &ha->ct_sns->p.rsp;
1264
1265         /* Prepare FDMI command arguments -- attribute block, attributes. */
1266         memcpy(ct_req->req.rhba.hba_identifier, ha->port_name, WWN_SIZE);
1267         ct_req->req.rhba.entry_count = __constant_cpu_to_be32(1);
1268         memcpy(ct_req->req.rhba.port_name, ha->port_name, WWN_SIZE);
1269         size = 2 * WWN_SIZE + 4 + 4;
1270
1271         /* Attributes */
1272         ct_req->req.rhba.attrs.count =
1273             __constant_cpu_to_be32(FDMI_HBA_ATTR_COUNT);
1274         entries = ct_req->req.rhba.hba_identifier;
1275
1276         /* Nodename. */
1277         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1278         eiter->type = __constant_cpu_to_be16(FDMI_HBA_NODE_NAME);
1279         eiter->len = __constant_cpu_to_be16(4 + WWN_SIZE);
1280         memcpy(eiter->a.node_name, ha->node_name, WWN_SIZE);
1281         size += 4 + WWN_SIZE;
1282
1283         DEBUG13(printk("%s(%ld): NODENAME=%02x%02x%02x%02x%02x%02x%02x%02x.\n",
1284             __func__, ha->host_no,
1285             eiter->a.node_name[0], eiter->a.node_name[1], eiter->a.node_name[2],
1286             eiter->a.node_name[3], eiter->a.node_name[4], eiter->a.node_name[5],
1287             eiter->a.node_name[6], eiter->a.node_name[7]));
1288
1289         /* Manufacturer. */
1290         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1291         eiter->type = __constant_cpu_to_be16(FDMI_HBA_MANUFACTURER);
1292         strcpy(eiter->a.manufacturer, "QLogic Corporation");
1293         alen = strlen(eiter->a.manufacturer);
1294         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1295         eiter->len = cpu_to_be16(4 + alen);
1296         size += 4 + alen;
1297
1298         DEBUG13(printk("%s(%ld): MANUFACTURER=%s.\n", __func__, ha->host_no,
1299             eiter->a.manufacturer));
1300
1301         /* Serial number. */
1302         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1303         eiter->type = __constant_cpu_to_be16(FDMI_HBA_SERIAL_NUMBER);
1304         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
1305         sprintf(eiter->a.serial_num, "%c%05d", 'A' + sn / 100000, sn % 100000);
1306         alen = strlen(eiter->a.serial_num);
1307         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1308         eiter->len = cpu_to_be16(4 + alen);
1309         size += 4 + alen;
1310
1311         DEBUG13(printk("%s(%ld): SERIALNO=%s.\n", __func__, ha->host_no,
1312             eiter->a.serial_num));
1313
1314         /* Model name. */
1315         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1316         eiter->type = __constant_cpu_to_be16(FDMI_HBA_MODEL);
1317         strcpy(eiter->a.model, ha->model_number);
1318         alen = strlen(eiter->a.model);
1319         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1320         eiter->len = cpu_to_be16(4 + alen);
1321         size += 4 + alen;
1322
1323         DEBUG13(printk("%s(%ld): MODEL_NAME=%s.\n", __func__, ha->host_no,
1324             eiter->a.model));
1325
1326         /* Model description. */
1327         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1328         eiter->type = __constant_cpu_to_be16(FDMI_HBA_MODEL_DESCRIPTION);
1329         if (ha->model_desc)
1330                 strncpy(eiter->a.model_desc, ha->model_desc, 80);
1331         alen = strlen(eiter->a.model_desc);
1332         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1333         eiter->len = cpu_to_be16(4 + alen);
1334         size += 4 + alen;
1335
1336         DEBUG13(printk("%s(%ld): MODEL_DESC=%s.\n", __func__, ha->host_no,
1337             eiter->a.model_desc));
1338
1339         /* Hardware version. */
1340         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1341         eiter->type = __constant_cpu_to_be16(FDMI_HBA_HARDWARE_VERSION);
1342         strcpy(eiter->a.hw_version, ha->adapter_id);
1343         alen = strlen(eiter->a.hw_version);
1344         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1345         eiter->len = cpu_to_be16(4 + alen);
1346         size += 4 + alen;
1347
1348         DEBUG13(printk("%s(%ld): HARDWAREVER=%s.\n", __func__, ha->host_no,
1349             eiter->a.hw_version));
1350
1351         /* Driver version. */
1352         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1353         eiter->type = __constant_cpu_to_be16(FDMI_HBA_DRIVER_VERSION);
1354         strcpy(eiter->a.driver_version, qla2x00_version_str);
1355         alen = strlen(eiter->a.driver_version);
1356         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1357         eiter->len = cpu_to_be16(4 + alen);
1358         size += 4 + alen;
1359
1360         DEBUG13(printk("%s(%ld): DRIVERVER=%s.\n", __func__, ha->host_no,
1361             eiter->a.driver_version));
1362
1363         /* Option ROM version. */
1364         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1365         eiter->type = __constant_cpu_to_be16(FDMI_HBA_OPTION_ROM_VERSION);
1366         strcpy(eiter->a.orom_version, "0.00");
1367         alen = strlen(eiter->a.orom_version);
1368         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1369         eiter->len = cpu_to_be16(4 + alen);
1370         size += 4 + alen;
1371
1372         DEBUG13(printk("%s(%ld): OPTROMVER=%s.\n", __func__, ha->host_no,
1373             eiter->a.orom_version));
1374
1375         /* Firmware version */
1376         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1377         eiter->type = __constant_cpu_to_be16(FDMI_HBA_FIRMWARE_VERSION);
1378         ha->isp_ops.fw_version_str(ha, eiter->a.fw_version);
1379         alen = strlen(eiter->a.fw_version);
1380         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1381         eiter->len = cpu_to_be16(4 + alen);
1382         size += 4 + alen;
1383
1384         DEBUG13(printk("%s(%ld): FIRMWAREVER=%s.\n", __func__, ha->host_no,
1385             eiter->a.fw_version));
1386
1387         /* Update MS request size. */
1388         qla2x00_update_ms_fdmi_iocb(ha, size + 16);
1389
1390         DEBUG13(printk("%s(%ld): RHBA identifier="
1391             "%02x%02x%02x%02x%02x%02x%02x%02x size=%d.\n", __func__,
1392             ha->host_no, ct_req->req.rhba.hba_identifier[0],
1393             ct_req->req.rhba.hba_identifier[1],
1394             ct_req->req.rhba.hba_identifier[2],
1395             ct_req->req.rhba.hba_identifier[3],
1396             ct_req->req.rhba.hba_identifier[4],
1397             ct_req->req.rhba.hba_identifier[5],
1398             ct_req->req.rhba.hba_identifier[6],
1399             ct_req->req.rhba.hba_identifier[7], size));
1400         DEBUG13(qla2x00_dump_buffer(entries, size));
1401
1402         /* Execute MS IOCB */
1403         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1404             sizeof(ms_iocb_entry_t));
1405         if (rval != QLA_SUCCESS) {
1406                 /*EMPTY*/
1407                 DEBUG2_3(printk("scsi(%ld): RHBA issue IOCB failed (%d).\n",
1408                     ha->host_no, rval));
1409         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RHBA") !=
1410             QLA_SUCCESS) {
1411                 rval = QLA_FUNCTION_FAILED;
1412                 if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
1413                     ct_rsp->header.explanation_code ==
1414                     CT_EXPL_ALREADY_REGISTERED) {
1415                         DEBUG2_13(printk("%s(%ld): HBA already registered.\n",
1416                             __func__, ha->host_no));
1417                         rval = QLA_ALREADY_REGISTERED;
1418                 }
1419         } else {
1420                 DEBUG2(printk("scsi(%ld): RHBA exiting normally.\n",
1421                     ha->host_no));
1422         }
1423
1424         return rval;
1425 }
1426
1427 /**
1428  * qla2x00_fdmi_dhba() -
1429  * @ha: HA context
1430  *
1431  * Returns 0 on success.
1432  */
1433 static int
1434 qla2x00_fdmi_dhba(scsi_qla_host_t *ha)
1435 {
1436         int rval;
1437
1438         ms_iocb_entry_t *ms_pkt;
1439         struct ct_sns_req *ct_req;
1440         struct ct_sns_rsp *ct_rsp;
1441
1442         /* Issue RPA */
1443         /* Prepare common MS IOCB */
1444         ms_pkt = ha->isp_ops.prep_ms_fdmi_iocb(ha, DHBA_REQ_SIZE,
1445             DHBA_RSP_SIZE);
1446
1447         /* Prepare CT request */
1448         ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, DHBA_CMD,
1449             DHBA_RSP_SIZE);
1450         ct_rsp = &ha->ct_sns->p.rsp;
1451
1452         /* Prepare FDMI command arguments -- portname. */
1453         memcpy(ct_req->req.dhba.port_name, ha->port_name, WWN_SIZE);
1454
1455         DEBUG13(printk("%s(%ld): DHBA portname="
1456             "%02x%02x%02x%02x%02x%02x%02x%02x.\n", __func__, ha->host_no,
1457             ct_req->req.dhba.port_name[0], ct_req->req.dhba.port_name[1],
1458             ct_req->req.dhba.port_name[2], ct_req->req.dhba.port_name[3],
1459             ct_req->req.dhba.port_name[4], ct_req->req.dhba.port_name[5],
1460             ct_req->req.dhba.port_name[6], ct_req->req.dhba.port_name[7]));
1461
1462         /* Execute MS IOCB */
1463         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1464             sizeof(ms_iocb_entry_t));
1465         if (rval != QLA_SUCCESS) {
1466                 /*EMPTY*/
1467                 DEBUG2_3(printk("scsi(%ld): DHBA issue IOCB failed (%d).\n",
1468                     ha->host_no, rval));
1469         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "DHBA") !=
1470             QLA_SUCCESS) {
1471                 rval = QLA_FUNCTION_FAILED;
1472         } else {
1473                 DEBUG2(printk("scsi(%ld): DHBA exiting normally.\n",
1474                     ha->host_no));
1475         }
1476
1477         return rval;
1478 }
1479
1480 /**
1481  * qla2x00_fdmi_rpa() -
1482  * @ha: HA context
1483  *
1484  * Returns 0 on success.
1485  */
1486 static int
1487 qla2x00_fdmi_rpa(scsi_qla_host_t *ha)
1488 {
1489         int rval, alen;
1490         uint32_t size, max_frame_size;
1491
1492         ms_iocb_entry_t *ms_pkt;
1493         struct ct_sns_req *ct_req;
1494         struct ct_sns_rsp *ct_rsp;
1495         uint8_t *entries;
1496         struct ct_fdmi_port_attr *eiter;
1497         struct init_cb_24xx *icb24 = (struct init_cb_24xx *)ha->init_cb;
1498
1499         /* Issue RPA */
1500         /* Prepare common MS IOCB */
1501         /*   Request size adjusted after CT preparation */
1502         ms_pkt = ha->isp_ops.prep_ms_fdmi_iocb(ha, 0, RPA_RSP_SIZE);
1503
1504         /* Prepare CT request */
1505         ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, RPA_CMD,
1506             RPA_RSP_SIZE);
1507         ct_rsp = &ha->ct_sns->p.rsp;
1508
1509         /* Prepare FDMI command arguments -- attribute block, attributes. */
1510         memcpy(ct_req->req.rpa.port_name, ha->port_name, WWN_SIZE);
1511         size = WWN_SIZE + 4;
1512
1513         /* Attributes */
1514         ct_req->req.rpa.attrs.count =
1515             __constant_cpu_to_be32(FDMI_PORT_ATTR_COUNT);
1516         entries = ct_req->req.rpa.port_name;
1517
1518         /* FC4 types. */
1519         eiter = (struct ct_fdmi_port_attr *) (entries + size);
1520         eiter->type = __constant_cpu_to_be16(FDMI_PORT_FC4_TYPES);
1521         eiter->len = __constant_cpu_to_be16(4 + 32);
1522         eiter->a.fc4_types[2] = 0x01;
1523         size += 4 + 32;
1524
1525         DEBUG13(printk("%s(%ld): FC4_TYPES=%02x %02x.\n", __func__, ha->host_no,
1526             eiter->a.fc4_types[2], eiter->a.fc4_types[1]));
1527
1528         /* Supported speed. */
1529         eiter = (struct ct_fdmi_port_attr *) (entries + size);
1530         eiter->type = __constant_cpu_to_be16(FDMI_PORT_SUPPORT_SPEED);
1531         eiter->len = __constant_cpu_to_be16(4 + 4);
1532         if (IS_QLA25XX(ha))
1533                 eiter->a.sup_speed = __constant_cpu_to_be32(8);
1534         else if (IS_QLA24XX(ha))
1535                 eiter->a.sup_speed = __constant_cpu_to_be32(4);
1536         else if (IS_QLA23XX(ha))
1537                 eiter->a.sup_speed = __constant_cpu_to_be32(2);
1538         else
1539                 eiter->a.sup_speed = __constant_cpu_to_be32(1);
1540         size += 4 + 4;
1541
1542         DEBUG13(printk("%s(%ld): SUPPORTED_SPEED=%x.\n", __func__, ha->host_no,
1543             eiter->a.sup_speed));
1544
1545         /* Current speed. */
1546         eiter = (struct ct_fdmi_port_attr *) (entries + size);
1547         eiter->type = __constant_cpu_to_be16(FDMI_PORT_CURRENT_SPEED);
1548         eiter->len = __constant_cpu_to_be16(4 + 4);
1549         switch (ha->link_data_rate) {
1550         case 0:
1551                 eiter->a.cur_speed = __constant_cpu_to_be32(1);
1552                 break;
1553         case 1:
1554                 eiter->a.cur_speed = __constant_cpu_to_be32(2);
1555                 break;
1556         case 3:
1557                 eiter->a.cur_speed = __constant_cpu_to_be32(4);
1558                 break;
1559         }
1560         size += 4 + 4;
1561
1562         DEBUG13(printk("%s(%ld): CURRENT_SPEED=%x.\n", __func__, ha->host_no,
1563             eiter->a.cur_speed));
1564
1565         /* Max frame size. */
1566         eiter = (struct ct_fdmi_port_attr *) (entries + size);
1567         eiter->type = __constant_cpu_to_be16(FDMI_PORT_MAX_FRAME_SIZE);
1568         eiter->len = __constant_cpu_to_be16(4 + 4);
1569         max_frame_size = IS_QLA24XX(ha) || IS_QLA25XX(ha) ?
1570                 (uint32_t) icb24->frame_payload_size:
1571                 (uint32_t) ha->init_cb->frame_payload_size;
1572         eiter->a.max_frame_size = cpu_to_be32(max_frame_size);
1573         size += 4 + 4;
1574
1575         DEBUG13(printk("%s(%ld): MAX_FRAME_SIZE=%x.\n", __func__, ha->host_no,
1576             eiter->a.max_frame_size));
1577
1578         /* OS device name. */
1579         eiter = (struct ct_fdmi_port_attr *) (entries + size);
1580         eiter->type = __constant_cpu_to_be16(FDMI_PORT_OS_DEVICE_NAME);
1581         sprintf(eiter->a.os_dev_name, "/proc/scsi/qla2xxx/%ld", ha->host_no);
1582         alen = strlen(eiter->a.os_dev_name);
1583         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1584         eiter->len = cpu_to_be16(4 + alen);
1585         size += 4 + alen;
1586
1587         DEBUG13(printk("%s(%ld): OS_DEVICE_NAME=%s.\n", __func__, ha->host_no,
1588             eiter->a.os_dev_name));
1589
1590         /* Update MS request size. */
1591         qla2x00_update_ms_fdmi_iocb(ha, size + 16);
1592
1593         DEBUG13(printk("%s(%ld): RPA portname="
1594             "%02x%02x%02x%02x%02x%02x%02x%02x size=%d.\n", __func__,
1595             ha->host_no, ct_req->req.rpa.port_name[0],
1596             ct_req->req.rpa.port_name[1], ct_req->req.rpa.port_name[2],
1597             ct_req->req.rpa.port_name[3], ct_req->req.rpa.port_name[4],
1598             ct_req->req.rpa.port_name[5], ct_req->req.rpa.port_name[6],
1599             ct_req->req.rpa.port_name[7], size));
1600         DEBUG13(qla2x00_dump_buffer(entries, size));
1601
1602         /* Execute MS IOCB */
1603         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1604             sizeof(ms_iocb_entry_t));
1605         if (rval != QLA_SUCCESS) {
1606                 /*EMPTY*/
1607                 DEBUG2_3(printk("scsi(%ld): RPA issue IOCB failed (%d).\n",
1608                     ha->host_no, rval));
1609         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RPA") !=
1610             QLA_SUCCESS) {
1611                 rval = QLA_FUNCTION_FAILED;
1612         } else {
1613                 DEBUG2(printk("scsi(%ld): RPA exiting normally.\n",
1614                     ha->host_no));
1615         }
1616
1617         return rval;
1618 }
1619
1620 /**
1621  * qla2x00_fdmi_register() -
1622  * @ha: HA context
1623  *
1624  * Returns 0 on success.
1625  */
1626 int
1627 qla2x00_fdmi_register(scsi_qla_host_t *ha)
1628 {
1629         int rval;
1630
1631         rval = qla2x00_mgmt_svr_login(ha);
1632         if (rval)
1633                 return rval;
1634
1635         rval = qla2x00_fdmi_rhba(ha);
1636         if (rval) {
1637                 if (rval != QLA_ALREADY_REGISTERED)
1638                         return rval;
1639
1640                 rval = qla2x00_fdmi_dhba(ha);
1641                 if (rval)
1642                         return rval;
1643
1644                 rval = qla2x00_fdmi_rhba(ha);
1645                 if (rval)
1646                         return rval;
1647         }
1648         rval = qla2x00_fdmi_rpa(ha);
1649
1650         return rval;
1651 }