Pull sbs into release branch
[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         ct_pkt->vp_index = ha->vp_idx;
92
93         return (ct_pkt);
94 }
95
96 /**
97  * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
98  * @ct_req: CT request buffer
99  * @cmd: GS command
100  * @rsp_size: response size in bytes
101  *
102  * Returns a pointer to the intitialized @ct_req.
103  */
104 static inline struct ct_sns_req *
105 qla2x00_prep_ct_req(struct ct_sns_req *ct_req, uint16_t cmd, uint16_t rsp_size)
106 {
107         memset(ct_req, 0, sizeof(struct ct_sns_pkt));
108
109         ct_req->header.revision = 0x01;
110         ct_req->header.gs_type = 0xFC;
111         ct_req->header.gs_subtype = 0x02;
112         ct_req->command = cpu_to_be16(cmd);
113         ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
114
115         return (ct_req);
116 }
117
118 static int
119 qla2x00_chk_ms_status(scsi_qla_host_t *ha, ms_iocb_entry_t *ms_pkt,
120     struct ct_sns_rsp *ct_rsp, const char *routine)
121 {
122         int rval;
123         uint16_t comp_status;
124
125         rval = QLA_FUNCTION_FAILED;
126         if (ms_pkt->entry_status != 0) {
127                 DEBUG2_3(printk("scsi(%ld): %s failed, error status (%x).\n",
128                     ha->host_no, routine, ms_pkt->entry_status));
129         } else {
130                 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
131                         comp_status = le16_to_cpu(
132                             ((struct ct_entry_24xx *)ms_pkt)->comp_status);
133                 else
134                         comp_status = le16_to_cpu(ms_pkt->status);
135                 switch (comp_status) {
136                 case CS_COMPLETE:
137                 case CS_DATA_UNDERRUN:
138                 case CS_DATA_OVERRUN:           /* Overrun? */
139                         if (ct_rsp->header.response !=
140                             __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
141                                 DEBUG2_3(printk("scsi(%ld): %s failed, "
142                                     "rejected request:\n", ha->host_no,
143                                     routine));
144                                 DEBUG2_3(qla2x00_dump_buffer(
145                                     (uint8_t *)&ct_rsp->header,
146                                     sizeof(struct ct_rsp_hdr)));
147                                 rval = QLA_INVALID_COMMAND;
148                         } else
149                                 rval = QLA_SUCCESS;
150                         break;
151                 default:
152                         DEBUG2_3(printk("scsi(%ld): %s failed, completion "
153                             "status (%x).\n", ha->host_no, routine,
154                             comp_status));
155                         break;
156                 }
157         }
158         return rval;
159 }
160
161 /**
162  * qla2x00_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
163  * @ha: HA context
164  * @fcport: fcport entry to updated
165  *
166  * Returns 0 on success.
167  */
168 int
169 qla2x00_ga_nxt(scsi_qla_host_t *ha, fc_port_t *fcport)
170 {
171         int             rval;
172
173         ms_iocb_entry_t *ms_pkt;
174         struct ct_sns_req       *ct_req;
175         struct ct_sns_rsp       *ct_rsp;
176
177         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
178                 return (qla2x00_sns_ga_nxt(ha, fcport));
179         }
180
181         /* Issue GA_NXT */
182         /* Prepare common MS IOCB */
183         ms_pkt = ha->isp_ops.prep_ms_iocb(ha, GA_NXT_REQ_SIZE, GA_NXT_RSP_SIZE);
184
185         /* Prepare CT request */
186         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GA_NXT_CMD,
187             GA_NXT_RSP_SIZE);
188         ct_rsp = &ha->ct_sns->p.rsp;
189
190         /* Prepare CT arguments -- port_id */
191         ct_req->req.port_id.port_id[0] = fcport->d_id.b.domain;
192         ct_req->req.port_id.port_id[1] = fcport->d_id.b.area;
193         ct_req->req.port_id.port_id[2] = fcport->d_id.b.al_pa;
194
195         /* Execute MS IOCB */
196         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
197             sizeof(ms_iocb_entry_t));
198         if (rval != QLA_SUCCESS) {
199                 /*EMPTY*/
200                 DEBUG2_3(printk("scsi(%ld): GA_NXT issue IOCB failed (%d).\n",
201                     ha->host_no, rval));
202         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "GA_NXT") !=
203             QLA_SUCCESS) {
204                 rval = QLA_FUNCTION_FAILED;
205         } else {
206                 /* Populate fc_port_t entry. */
207                 fcport->d_id.b.domain = ct_rsp->rsp.ga_nxt.port_id[0];
208                 fcport->d_id.b.area = ct_rsp->rsp.ga_nxt.port_id[1];
209                 fcport->d_id.b.al_pa = ct_rsp->rsp.ga_nxt.port_id[2];
210
211                 memcpy(fcport->node_name, ct_rsp->rsp.ga_nxt.node_name,
212                     WWN_SIZE);
213                 memcpy(fcport->port_name, ct_rsp->rsp.ga_nxt.port_name,
214                     WWN_SIZE);
215
216                 if (ct_rsp->rsp.ga_nxt.port_type != NS_N_PORT_TYPE &&
217                     ct_rsp->rsp.ga_nxt.port_type != NS_NL_PORT_TYPE)
218                         fcport->d_id.b.domain = 0xf0;
219
220                 DEBUG2_3(printk("scsi(%ld): GA_NXT entry - "
221                     "nn %02x%02x%02x%02x%02x%02x%02x%02x "
222                     "pn %02x%02x%02x%02x%02x%02x%02x%02x "
223                     "portid=%02x%02x%02x.\n",
224                     ha->host_no,
225                     fcport->node_name[0], fcport->node_name[1],
226                     fcport->node_name[2], fcport->node_name[3],
227                     fcport->node_name[4], fcport->node_name[5],
228                     fcport->node_name[6], fcport->node_name[7],
229                     fcport->port_name[0], fcport->port_name[1],
230                     fcport->port_name[2], fcport->port_name[3],
231                     fcport->port_name[4], fcport->port_name[5],
232                     fcport->port_name[6], fcport->port_name[7],
233                     fcport->d_id.b.domain, fcport->d_id.b.area,
234                     fcport->d_id.b.al_pa));
235         }
236
237         return (rval);
238 }
239
240 /**
241  * qla2x00_gid_pt() - SNS scan for fabric devices via GID_PT command.
242  * @ha: HA context
243  * @list: switch info entries to populate
244  *
245  * NOTE: Non-Nx_Ports are not requested.
246  *
247  * Returns 0 on success.
248  */
249 int
250 qla2x00_gid_pt(scsi_qla_host_t *ha, sw_info_t *list)
251 {
252         int             rval;
253         uint16_t        i;
254
255         ms_iocb_entry_t *ms_pkt;
256         struct ct_sns_req       *ct_req;
257         struct ct_sns_rsp       *ct_rsp;
258
259         struct ct_sns_gid_pt_data *gid_data;
260
261         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
262                 return (qla2x00_sns_gid_pt(ha, list));
263         }
264
265         gid_data = NULL;
266
267         /* Issue GID_PT */
268         /* Prepare common MS IOCB */
269         ms_pkt = ha->isp_ops.prep_ms_iocb(ha, GID_PT_REQ_SIZE, GID_PT_RSP_SIZE);
270
271         /* Prepare CT request */
272         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GID_PT_CMD,
273             GID_PT_RSP_SIZE);
274         ct_rsp = &ha->ct_sns->p.rsp;
275
276         /* Prepare CT arguments -- port_type */
277         ct_req->req.gid_pt.port_type = NS_NX_PORT_TYPE;
278
279         /* Execute MS IOCB */
280         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
281             sizeof(ms_iocb_entry_t));
282         if (rval != QLA_SUCCESS) {
283                 /*EMPTY*/
284                 DEBUG2_3(printk("scsi(%ld): GID_PT issue IOCB failed (%d).\n",
285                     ha->host_no, rval));
286         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "GID_PT") !=
287             QLA_SUCCESS) {
288                 rval = QLA_FUNCTION_FAILED;
289         } else {
290                 /* Set port IDs in switch info list. */
291                 for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
292                         gid_data = &ct_rsp->rsp.gid_pt.entries[i];
293                         list[i].d_id.b.domain = gid_data->port_id[0];
294                         list[i].d_id.b.area = gid_data->port_id[1];
295                         list[i].d_id.b.al_pa = gid_data->port_id[2];
296
297                         /* Last one exit. */
298                         if (gid_data->control_byte & BIT_7) {
299                                 list[i].d_id.b.rsvd_1 = gid_data->control_byte;
300                                 break;
301                         }
302                 }
303
304                 /*
305                  * If we've used all available slots, then the switch is
306                  * reporting back more devices than we can handle with this
307                  * single call.  Return a failed status, and let GA_NXT handle
308                  * the overload.
309                  */
310                 if (i == MAX_FIBRE_DEVICES)
311                         rval = QLA_FUNCTION_FAILED;
312         }
313
314         return (rval);
315 }
316
317 /**
318  * qla2x00_gpn_id() - SNS Get Port Name (GPN_ID) query.
319  * @ha: HA context
320  * @list: switch info entries to populate
321  *
322  * Returns 0 on success.
323  */
324 int
325 qla2x00_gpn_id(scsi_qla_host_t *ha, sw_info_t *list)
326 {
327         int             rval;
328         uint16_t        i;
329
330         ms_iocb_entry_t *ms_pkt;
331         struct ct_sns_req       *ct_req;
332         struct ct_sns_rsp       *ct_rsp;
333
334         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
335                 return (qla2x00_sns_gpn_id(ha, list));
336         }
337
338         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
339                 /* Issue GPN_ID */
340                 /* Prepare common MS IOCB */
341                 ms_pkt = ha->isp_ops.prep_ms_iocb(ha, GPN_ID_REQ_SIZE,
342                     GPN_ID_RSP_SIZE);
343
344                 /* Prepare CT request */
345                 ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GPN_ID_CMD,
346                     GPN_ID_RSP_SIZE);
347                 ct_rsp = &ha->ct_sns->p.rsp;
348
349                 /* Prepare CT arguments -- port_id */
350                 ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
351                 ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
352                 ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
353
354                 /* Execute MS IOCB */
355                 rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
356                     sizeof(ms_iocb_entry_t));
357                 if (rval != QLA_SUCCESS) {
358                         /*EMPTY*/
359                         DEBUG2_3(printk("scsi(%ld): GPN_ID issue IOCB failed "
360                             "(%d).\n", ha->host_no, rval));
361                 } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp,
362                     "GPN_ID") != QLA_SUCCESS) {
363                         rval = QLA_FUNCTION_FAILED;
364                 } else {
365                         /* Save portname */
366                         memcpy(list[i].port_name,
367                             ct_rsp->rsp.gpn_id.port_name, WWN_SIZE);
368                 }
369
370                 /* Last device exit. */
371                 if (list[i].d_id.b.rsvd_1 != 0)
372                         break;
373         }
374
375         return (rval);
376 }
377
378 /**
379  * qla2x00_gnn_id() - SNS Get Node Name (GNN_ID) query.
380  * @ha: HA context
381  * @list: switch info entries to populate
382  *
383  * Returns 0 on success.
384  */
385 int
386 qla2x00_gnn_id(scsi_qla_host_t *ha, sw_info_t *list)
387 {
388         int             rval;
389         uint16_t        i;
390
391         ms_iocb_entry_t *ms_pkt;
392         struct ct_sns_req       *ct_req;
393         struct ct_sns_rsp       *ct_rsp;
394
395         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
396                 return (qla2x00_sns_gnn_id(ha, list));
397         }
398
399         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
400                 /* Issue GNN_ID */
401                 /* Prepare common MS IOCB */
402                 ms_pkt = ha->isp_ops.prep_ms_iocb(ha, GNN_ID_REQ_SIZE,
403                     GNN_ID_RSP_SIZE);
404
405                 /* Prepare CT request */
406                 ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GNN_ID_CMD,
407                     GNN_ID_RSP_SIZE);
408                 ct_rsp = &ha->ct_sns->p.rsp;
409
410                 /* Prepare CT arguments -- port_id */
411                 ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
412                 ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
413                 ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
414
415                 /* Execute MS IOCB */
416                 rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
417                     sizeof(ms_iocb_entry_t));
418                 if (rval != QLA_SUCCESS) {
419                         /*EMPTY*/
420                         DEBUG2_3(printk("scsi(%ld): GNN_ID issue IOCB failed "
421                             "(%d).\n", ha->host_no, rval));
422                 } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp,
423                     "GNN_ID") != QLA_SUCCESS) {
424                         rval = QLA_FUNCTION_FAILED;
425                 } else {
426                         /* Save nodename */
427                         memcpy(list[i].node_name,
428                             ct_rsp->rsp.gnn_id.node_name, WWN_SIZE);
429
430                         DEBUG2_3(printk("scsi(%ld): GID_PT entry - "
431                             "nn %02x%02x%02x%02x%02x%02x%02x%02x "
432                             "pn %02x%02x%02x%02x%02x%02x%02x%02x "
433                             "portid=%02x%02x%02x.\n",
434                             ha->host_no,
435                             list[i].node_name[0], list[i].node_name[1],
436                             list[i].node_name[2], list[i].node_name[3],
437                             list[i].node_name[4], list[i].node_name[5],
438                             list[i].node_name[6], list[i].node_name[7],
439                             list[i].port_name[0], list[i].port_name[1],
440                             list[i].port_name[2], list[i].port_name[3],
441                             list[i].port_name[4], list[i].port_name[5],
442                             list[i].port_name[6], list[i].port_name[7],
443                             list[i].d_id.b.domain, list[i].d_id.b.area,
444                             list[i].d_id.b.al_pa));
445                 }
446
447                 /* Last device exit. */
448                 if (list[i].d_id.b.rsvd_1 != 0)
449                         break;
450         }
451
452         return (rval);
453 }
454
455 /**
456  * qla2x00_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
457  * @ha: HA context
458  *
459  * Returns 0 on success.
460  */
461 int
462 qla2x00_rft_id(scsi_qla_host_t *ha)
463 {
464         int             rval;
465
466         ms_iocb_entry_t *ms_pkt;
467         struct ct_sns_req       *ct_req;
468         struct ct_sns_rsp       *ct_rsp;
469
470         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
471                 return (qla2x00_sns_rft_id(ha));
472         }
473
474         /* Issue RFT_ID */
475         /* Prepare common MS IOCB */
476         ms_pkt = ha->isp_ops.prep_ms_iocb(ha, RFT_ID_REQ_SIZE, RFT_ID_RSP_SIZE);
477
478         /* Prepare CT request */
479         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFT_ID_CMD,
480             RFT_ID_RSP_SIZE);
481         ct_rsp = &ha->ct_sns->p.rsp;
482
483         /* Prepare CT arguments -- port_id, FC-4 types */
484         ct_req->req.rft_id.port_id[0] = ha->d_id.b.domain;
485         ct_req->req.rft_id.port_id[1] = ha->d_id.b.area;
486         ct_req->req.rft_id.port_id[2] = ha->d_id.b.al_pa;
487
488         ct_req->req.rft_id.fc4_types[2] = 0x01;         /* FCP-3 */
489
490         /* Execute MS IOCB */
491         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
492             sizeof(ms_iocb_entry_t));
493         if (rval != QLA_SUCCESS) {
494                 /*EMPTY*/
495                 DEBUG2_3(printk("scsi(%ld): RFT_ID issue IOCB failed (%d).\n",
496                     ha->host_no, rval));
497         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RFT_ID") !=
498             QLA_SUCCESS) {
499                 rval = QLA_FUNCTION_FAILED;
500         } else {
501                 DEBUG2(printk("scsi(%ld): RFT_ID exiting normally.\n",
502                     ha->host_no));
503         }
504
505         return (rval);
506 }
507
508 /**
509  * qla2x00_rff_id() - SNS Register FC-4 Features (RFF_ID) supported by the HBA.
510  * @ha: HA context
511  *
512  * Returns 0 on success.
513  */
514 int
515 qla2x00_rff_id(scsi_qla_host_t *ha)
516 {
517         int             rval;
518
519         ms_iocb_entry_t *ms_pkt;
520         struct ct_sns_req       *ct_req;
521         struct ct_sns_rsp       *ct_rsp;
522
523         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
524                 DEBUG2(printk("scsi(%ld): RFF_ID call unsupported on "
525                     "ISP2100/ISP2200.\n", ha->host_no));
526                 return (QLA_SUCCESS);
527         }
528
529         /* Issue RFF_ID */
530         /* Prepare common MS IOCB */
531         ms_pkt = ha->isp_ops.prep_ms_iocb(ha, RFF_ID_REQ_SIZE, RFF_ID_RSP_SIZE);
532
533         /* Prepare CT request */
534         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFF_ID_CMD,
535             RFF_ID_RSP_SIZE);
536         ct_rsp = &ha->ct_sns->p.rsp;
537
538         /* Prepare CT arguments -- port_id, FC-4 feature, FC-4 type */
539         ct_req->req.rff_id.port_id[0] = ha->d_id.b.domain;
540         ct_req->req.rff_id.port_id[1] = ha->d_id.b.area;
541         ct_req->req.rff_id.port_id[2] = ha->d_id.b.al_pa;
542
543         ct_req->req.rff_id.fc4_feature = BIT_1;
544         ct_req->req.rff_id.fc4_type = 0x08;             /* SCSI - FCP */
545
546         /* Execute MS IOCB */
547         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
548             sizeof(ms_iocb_entry_t));
549         if (rval != QLA_SUCCESS) {
550                 /*EMPTY*/
551                 DEBUG2_3(printk("scsi(%ld): RFF_ID issue IOCB failed (%d).\n",
552                     ha->host_no, rval));
553         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RFF_ID") !=
554             QLA_SUCCESS) {
555                 rval = QLA_FUNCTION_FAILED;
556         } else {
557                 DEBUG2(printk("scsi(%ld): RFF_ID exiting normally.\n",
558                     ha->host_no));
559         }
560
561         return (rval);
562 }
563
564 /**
565  * qla2x00_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
566  * @ha: HA context
567  *
568  * Returns 0 on success.
569  */
570 int
571 qla2x00_rnn_id(scsi_qla_host_t *ha)
572 {
573         int             rval;
574
575         ms_iocb_entry_t *ms_pkt;
576         struct ct_sns_req       *ct_req;
577         struct ct_sns_rsp       *ct_rsp;
578
579         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
580                 return (qla2x00_sns_rnn_id(ha));
581         }
582
583         /* Issue RNN_ID */
584         /* Prepare common MS IOCB */
585         ms_pkt = ha->isp_ops.prep_ms_iocb(ha, RNN_ID_REQ_SIZE, RNN_ID_RSP_SIZE);
586
587         /* Prepare CT request */
588         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RNN_ID_CMD,
589             RNN_ID_RSP_SIZE);
590         ct_rsp = &ha->ct_sns->p.rsp;
591
592         /* Prepare CT arguments -- port_id, node_name */
593         ct_req->req.rnn_id.port_id[0] = ha->d_id.b.domain;
594         ct_req->req.rnn_id.port_id[1] = ha->d_id.b.area;
595         ct_req->req.rnn_id.port_id[2] = ha->d_id.b.al_pa;
596
597         memcpy(ct_req->req.rnn_id.node_name, ha->node_name, WWN_SIZE);
598
599         /* Execute MS IOCB */
600         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
601             sizeof(ms_iocb_entry_t));
602         if (rval != QLA_SUCCESS) {
603                 /*EMPTY*/
604                 DEBUG2_3(printk("scsi(%ld): RNN_ID issue IOCB failed (%d).\n",
605                     ha->host_no, rval));
606         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RNN_ID") !=
607             QLA_SUCCESS) {
608                 rval = QLA_FUNCTION_FAILED;
609         } else {
610                 DEBUG2(printk("scsi(%ld): RNN_ID exiting normally.\n",
611                     ha->host_no));
612         }
613
614         return (rval);
615 }
616
617 void
618 qla2x00_get_sym_node_name(scsi_qla_host_t *ha, uint8_t *snn)
619 {
620         sprintf(snn, "%s FW:v%d.%02d.%02d DVR:v%s",ha->model_number,
621             ha->fw_major_version, ha->fw_minor_version,
622             ha->fw_subminor_version, qla2x00_version_str);
623 }
624
625 /**
626  * qla2x00_rsnn_nn() - SNS Register Symbolic Node Name (RSNN_NN) of the HBA.
627  * @ha: HA context
628  *
629  * Returns 0 on success.
630  */
631 int
632 qla2x00_rsnn_nn(scsi_qla_host_t *ha)
633 {
634         int             rval;
635         ms_iocb_entry_t *ms_pkt;
636         struct ct_sns_req       *ct_req;
637         struct ct_sns_rsp       *ct_rsp;
638
639         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
640                 DEBUG2(printk("scsi(%ld): RSNN_ID call unsupported on "
641                     "ISP2100/ISP2200.\n", ha->host_no));
642                 return (QLA_SUCCESS);
643         }
644
645         /* Issue RSNN_NN */
646         /* Prepare common MS IOCB */
647         /*   Request size adjusted after CT preparation */
648         ms_pkt = ha->isp_ops.prep_ms_iocb(ha, 0, RSNN_NN_RSP_SIZE);
649
650         /* Prepare CT request */
651         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RSNN_NN_CMD,
652             RSNN_NN_RSP_SIZE);
653         ct_rsp = &ha->ct_sns->p.rsp;
654
655         /* Prepare CT arguments -- node_name, symbolic node_name, size */
656         memcpy(ct_req->req.rsnn_nn.node_name, ha->node_name, WWN_SIZE);
657
658         /* Prepare the Symbolic Node Name */
659         qla2x00_get_sym_node_name(ha, ct_req->req.rsnn_nn.sym_node_name);
660
661         /* Calculate SNN length */
662         ct_req->req.rsnn_nn.name_len =
663             (uint8_t)strlen(ct_req->req.rsnn_nn.sym_node_name);
664
665         /* Update MS IOCB request */
666         ms_pkt->req_bytecount =
667             cpu_to_le32(24 + 1 + ct_req->req.rsnn_nn.name_len);
668         ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
669
670         /* Execute MS IOCB */
671         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
672             sizeof(ms_iocb_entry_t));
673         if (rval != QLA_SUCCESS) {
674                 /*EMPTY*/
675                 DEBUG2_3(printk("scsi(%ld): RSNN_NN issue IOCB failed (%d).\n",
676                     ha->host_no, rval));
677         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RSNN_NN") !=
678             QLA_SUCCESS) {
679                 rval = QLA_FUNCTION_FAILED;
680         } else {
681                 DEBUG2(printk("scsi(%ld): RSNN_NN exiting normally.\n",
682                     ha->host_no));
683         }
684
685         return (rval);
686 }
687
688 /**
689  * qla2x00_prep_sns_cmd() - Prepare common SNS command request fields for query.
690  * @ha: HA context
691  * @cmd: GS command
692  * @scmd_len: Subcommand length
693  * @data_size: response size in bytes
694  *
695  * Returns a pointer to the @ha's sns_cmd.
696  */
697 static inline struct sns_cmd_pkt *
698 qla2x00_prep_sns_cmd(scsi_qla_host_t *ha, uint16_t cmd, uint16_t scmd_len,
699     uint16_t data_size)
700 {
701         uint16_t                wc;
702         struct sns_cmd_pkt      *sns_cmd;
703
704         sns_cmd = ha->sns_cmd;
705         memset(sns_cmd, 0, sizeof(struct sns_cmd_pkt));
706         wc = data_size / 2;                     /* Size in 16bit words. */
707         sns_cmd->p.cmd.buffer_length = cpu_to_le16(wc);
708         sns_cmd->p.cmd.buffer_address[0] = cpu_to_le32(LSD(ha->sns_cmd_dma));
709         sns_cmd->p.cmd.buffer_address[1] = cpu_to_le32(MSD(ha->sns_cmd_dma));
710         sns_cmd->p.cmd.subcommand_length = cpu_to_le16(scmd_len);
711         sns_cmd->p.cmd.subcommand = cpu_to_le16(cmd);
712         wc = (data_size - 16) / 4;              /* Size in 32bit words. */
713         sns_cmd->p.cmd.size = cpu_to_le16(wc);
714
715         return (sns_cmd);
716 }
717
718 /**
719  * qla2x00_sns_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
720  * @ha: HA context
721  * @fcport: fcport entry to updated
722  *
723  * This command uses the old Exectute SNS Command mailbox routine.
724  *
725  * Returns 0 on success.
726  */
727 static int
728 qla2x00_sns_ga_nxt(scsi_qla_host_t *ha, fc_port_t *fcport)
729 {
730         int             rval;
731
732         struct sns_cmd_pkt      *sns_cmd;
733
734         /* Issue GA_NXT. */
735         /* Prepare SNS command request. */
736         sns_cmd = qla2x00_prep_sns_cmd(ha, GA_NXT_CMD, GA_NXT_SNS_SCMD_LEN,
737             GA_NXT_SNS_DATA_SIZE);
738
739         /* Prepare SNS command arguments -- port_id. */
740         sns_cmd->p.cmd.param[0] = fcport->d_id.b.al_pa;
741         sns_cmd->p.cmd.param[1] = fcport->d_id.b.area;
742         sns_cmd->p.cmd.param[2] = fcport->d_id.b.domain;
743
744         /* Execute SNS command. */
745         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, GA_NXT_SNS_CMD_SIZE / 2,
746             sizeof(struct sns_cmd_pkt));
747         if (rval != QLA_SUCCESS) {
748                 /*EMPTY*/
749                 DEBUG2_3(printk("scsi(%ld): GA_NXT Send SNS failed (%d).\n",
750                     ha->host_no, rval));
751         } else if (sns_cmd->p.gan_data[8] != 0x80 ||
752             sns_cmd->p.gan_data[9] != 0x02) {
753                 DEBUG2_3(printk("scsi(%ld): GA_NXT failed, rejected request, "
754                     "ga_nxt_rsp:\n", ha->host_no));
755                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gan_data, 16));
756                 rval = QLA_FUNCTION_FAILED;
757         } else {
758                 /* Populate fc_port_t entry. */
759                 fcport->d_id.b.domain = sns_cmd->p.gan_data[17];
760                 fcport->d_id.b.area = sns_cmd->p.gan_data[18];
761                 fcport->d_id.b.al_pa = sns_cmd->p.gan_data[19];
762
763                 memcpy(fcport->node_name, &sns_cmd->p.gan_data[284], WWN_SIZE);
764                 memcpy(fcport->port_name, &sns_cmd->p.gan_data[20], WWN_SIZE);
765
766                 if (sns_cmd->p.gan_data[16] != NS_N_PORT_TYPE &&
767                     sns_cmd->p.gan_data[16] != NS_NL_PORT_TYPE)
768                         fcport->d_id.b.domain = 0xf0;
769
770                 DEBUG2_3(printk("scsi(%ld): GA_NXT entry - "
771                     "nn %02x%02x%02x%02x%02x%02x%02x%02x "
772                     "pn %02x%02x%02x%02x%02x%02x%02x%02x "
773                     "portid=%02x%02x%02x.\n",
774                     ha->host_no,
775                     fcport->node_name[0], fcport->node_name[1],
776                     fcport->node_name[2], fcport->node_name[3],
777                     fcport->node_name[4], fcport->node_name[5],
778                     fcport->node_name[6], fcport->node_name[7],
779                     fcport->port_name[0], fcport->port_name[1],
780                     fcport->port_name[2], fcport->port_name[3],
781                     fcport->port_name[4], fcport->port_name[5],
782                     fcport->port_name[6], fcport->port_name[7],
783                     fcport->d_id.b.domain, fcport->d_id.b.area,
784                     fcport->d_id.b.al_pa));
785         }
786
787         return (rval);
788 }
789
790 /**
791  * qla2x00_sns_gid_pt() - SNS scan for fabric devices via GID_PT command.
792  * @ha: HA context
793  * @list: switch info entries to populate
794  *
795  * This command uses the old Exectute SNS Command mailbox routine.
796  *
797  * NOTE: Non-Nx_Ports are not requested.
798  *
799  * Returns 0 on success.
800  */
801 static int
802 qla2x00_sns_gid_pt(scsi_qla_host_t *ha, sw_info_t *list)
803 {
804         int             rval;
805
806         uint16_t        i;
807         uint8_t         *entry;
808         struct sns_cmd_pkt      *sns_cmd;
809
810         /* Issue GID_PT. */
811         /* Prepare SNS command request. */
812         sns_cmd = qla2x00_prep_sns_cmd(ha, GID_PT_CMD, GID_PT_SNS_SCMD_LEN,
813             GID_PT_SNS_DATA_SIZE);
814
815         /* Prepare SNS command arguments -- port_type. */
816         sns_cmd->p.cmd.param[0] = NS_NX_PORT_TYPE;
817
818         /* Execute SNS command. */
819         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, GID_PT_SNS_CMD_SIZE / 2,
820             sizeof(struct sns_cmd_pkt));
821         if (rval != QLA_SUCCESS) {
822                 /*EMPTY*/
823                 DEBUG2_3(printk("scsi(%ld): GID_PT Send SNS failed (%d).\n",
824                     ha->host_no, rval));
825         } else if (sns_cmd->p.gid_data[8] != 0x80 ||
826             sns_cmd->p.gid_data[9] != 0x02) {
827                 DEBUG2_3(printk("scsi(%ld): GID_PT failed, rejected request, "
828                     "gid_rsp:\n", ha->host_no));
829                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gid_data, 16));
830                 rval = QLA_FUNCTION_FAILED;
831         } else {
832                 /* Set port IDs in switch info list. */
833                 for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
834                         entry = &sns_cmd->p.gid_data[(i * 4) + 16];
835                         list[i].d_id.b.domain = entry[1];
836                         list[i].d_id.b.area = entry[2];
837                         list[i].d_id.b.al_pa = entry[3];
838
839                         /* Last one exit. */
840                         if (entry[0] & BIT_7) {
841                                 list[i].d_id.b.rsvd_1 = entry[0];
842                                 break;
843                         }
844                 }
845
846                 /*
847                  * If we've used all available slots, then the switch is
848                  * reporting back more devices that we can handle with this
849                  * single call.  Return a failed status, and let GA_NXT handle
850                  * the overload.
851                  */
852                 if (i == MAX_FIBRE_DEVICES)
853                         rval = QLA_FUNCTION_FAILED;
854         }
855
856         return (rval);
857 }
858
859 /**
860  * qla2x00_sns_gpn_id() - SNS Get Port Name (GPN_ID) query.
861  * @ha: HA context
862  * @list: switch info entries to populate
863  *
864  * This command uses the old Exectute SNS Command mailbox routine.
865  *
866  * Returns 0 on success.
867  */
868 static int
869 qla2x00_sns_gpn_id(scsi_qla_host_t *ha, sw_info_t *list)
870 {
871         int             rval;
872
873         uint16_t        i;
874         struct sns_cmd_pkt      *sns_cmd;
875
876         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
877                 /* Issue GPN_ID */
878                 /* Prepare SNS command request. */
879                 sns_cmd = qla2x00_prep_sns_cmd(ha, GPN_ID_CMD,
880                     GPN_ID_SNS_SCMD_LEN, GPN_ID_SNS_DATA_SIZE);
881
882                 /* Prepare SNS command arguments -- port_id. */
883                 sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
884                 sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
885                 sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
886
887                 /* Execute SNS command. */
888                 rval = qla2x00_send_sns(ha, ha->sns_cmd_dma,
889                     GPN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
890                 if (rval != QLA_SUCCESS) {
891                         /*EMPTY*/
892                         DEBUG2_3(printk("scsi(%ld): GPN_ID Send SNS failed "
893                             "(%d).\n", ha->host_no, rval));
894                 } else if (sns_cmd->p.gpn_data[8] != 0x80 ||
895                     sns_cmd->p.gpn_data[9] != 0x02) {
896                         DEBUG2_3(printk("scsi(%ld): GPN_ID failed, rejected "
897                             "request, gpn_rsp:\n", ha->host_no));
898                         DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gpn_data, 16));
899                         rval = QLA_FUNCTION_FAILED;
900                 } else {
901                         /* Save portname */
902                         memcpy(list[i].port_name, &sns_cmd->p.gpn_data[16],
903                             WWN_SIZE);
904                 }
905
906                 /* Last device exit. */
907                 if (list[i].d_id.b.rsvd_1 != 0)
908                         break;
909         }
910
911         return (rval);
912 }
913
914 /**
915  * qla2x00_sns_gnn_id() - SNS Get Node Name (GNN_ID) query.
916  * @ha: HA context
917  * @list: switch info entries to populate
918  *
919  * This command uses the old Exectute SNS Command mailbox routine.
920  *
921  * Returns 0 on success.
922  */
923 static int
924 qla2x00_sns_gnn_id(scsi_qla_host_t *ha, sw_info_t *list)
925 {
926         int             rval;
927
928         uint16_t        i;
929         struct sns_cmd_pkt      *sns_cmd;
930
931         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
932                 /* Issue GNN_ID */
933                 /* Prepare SNS command request. */
934                 sns_cmd = qla2x00_prep_sns_cmd(ha, GNN_ID_CMD,
935                     GNN_ID_SNS_SCMD_LEN, GNN_ID_SNS_DATA_SIZE);
936
937                 /* Prepare SNS command arguments -- port_id. */
938                 sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
939                 sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
940                 sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
941
942                 /* Execute SNS command. */
943                 rval = qla2x00_send_sns(ha, ha->sns_cmd_dma,
944                     GNN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
945                 if (rval != QLA_SUCCESS) {
946                         /*EMPTY*/
947                         DEBUG2_3(printk("scsi(%ld): GNN_ID Send SNS failed "
948                             "(%d).\n", ha->host_no, rval));
949                 } else if (sns_cmd->p.gnn_data[8] != 0x80 ||
950                     sns_cmd->p.gnn_data[9] != 0x02) {
951                         DEBUG2_3(printk("scsi(%ld): GNN_ID failed, rejected "
952                             "request, gnn_rsp:\n", ha->host_no));
953                         DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gnn_data, 16));
954                         rval = QLA_FUNCTION_FAILED;
955                 } else {
956                         /* Save nodename */
957                         memcpy(list[i].node_name, &sns_cmd->p.gnn_data[16],
958                             WWN_SIZE);
959
960                         DEBUG2_3(printk("scsi(%ld): GID_PT entry - "
961                             "nn %02x%02x%02x%02x%02x%02x%02x%02x "
962                             "pn %02x%02x%02x%02x%02x%02x%02x%02x "
963                             "portid=%02x%02x%02x.\n",
964                             ha->host_no,
965                             list[i].node_name[0], list[i].node_name[1],
966                             list[i].node_name[2], list[i].node_name[3],
967                             list[i].node_name[4], list[i].node_name[5],
968                             list[i].node_name[6], list[i].node_name[7],
969                             list[i].port_name[0], list[i].port_name[1],
970                             list[i].port_name[2], list[i].port_name[3],
971                             list[i].port_name[4], list[i].port_name[5],
972                             list[i].port_name[6], list[i].port_name[7],
973                             list[i].d_id.b.domain, list[i].d_id.b.area,
974                             list[i].d_id.b.al_pa));
975                 }
976
977                 /* Last device exit. */
978                 if (list[i].d_id.b.rsvd_1 != 0)
979                         break;
980         }
981
982         return (rval);
983 }
984
985 /**
986  * qla2x00_snd_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
987  * @ha: HA context
988  *
989  * This command uses the old Exectute SNS Command mailbox routine.
990  *
991  * Returns 0 on success.
992  */
993 static int
994 qla2x00_sns_rft_id(scsi_qla_host_t *ha)
995 {
996         int             rval;
997
998         struct sns_cmd_pkt      *sns_cmd;
999
1000         /* Issue RFT_ID. */
1001         /* Prepare SNS command request. */
1002         sns_cmd = qla2x00_prep_sns_cmd(ha, RFT_ID_CMD, RFT_ID_SNS_SCMD_LEN,
1003             RFT_ID_SNS_DATA_SIZE);
1004
1005         /* Prepare SNS command arguments -- port_id, FC-4 types */
1006         sns_cmd->p.cmd.param[0] = ha->d_id.b.al_pa;
1007         sns_cmd->p.cmd.param[1] = ha->d_id.b.area;
1008         sns_cmd->p.cmd.param[2] = ha->d_id.b.domain;
1009
1010         sns_cmd->p.cmd.param[5] = 0x01;                 /* FCP-3 */
1011
1012         /* Execute SNS command. */
1013         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, RFT_ID_SNS_CMD_SIZE / 2,
1014             sizeof(struct sns_cmd_pkt));
1015         if (rval != QLA_SUCCESS) {
1016                 /*EMPTY*/
1017                 DEBUG2_3(printk("scsi(%ld): RFT_ID Send SNS failed (%d).\n",
1018                     ha->host_no, rval));
1019         } else if (sns_cmd->p.rft_data[8] != 0x80 ||
1020             sns_cmd->p.rft_data[9] != 0x02) {
1021                 DEBUG2_3(printk("scsi(%ld): RFT_ID failed, rejected request, "
1022                     "rft_rsp:\n", ha->host_no));
1023                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.rft_data, 16));
1024                 rval = QLA_FUNCTION_FAILED;
1025         } else {
1026                 DEBUG2(printk("scsi(%ld): RFT_ID exiting normally.\n",
1027                     ha->host_no));
1028         }
1029
1030         return (rval);
1031 }
1032
1033 /**
1034  * qla2x00_sns_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
1035  * HBA.
1036  * @ha: HA context
1037  *
1038  * This command uses the old Exectute SNS Command mailbox routine.
1039  *
1040  * Returns 0 on success.
1041  */
1042 static int
1043 qla2x00_sns_rnn_id(scsi_qla_host_t *ha)
1044 {
1045         int             rval;
1046
1047         struct sns_cmd_pkt      *sns_cmd;
1048
1049         /* Issue RNN_ID. */
1050         /* Prepare SNS command request. */
1051         sns_cmd = qla2x00_prep_sns_cmd(ha, RNN_ID_CMD, RNN_ID_SNS_SCMD_LEN,
1052             RNN_ID_SNS_DATA_SIZE);
1053
1054         /* Prepare SNS command arguments -- port_id, nodename. */
1055         sns_cmd->p.cmd.param[0] = ha->d_id.b.al_pa;
1056         sns_cmd->p.cmd.param[1] = ha->d_id.b.area;
1057         sns_cmd->p.cmd.param[2] = ha->d_id.b.domain;
1058
1059         sns_cmd->p.cmd.param[4] = ha->node_name[7];
1060         sns_cmd->p.cmd.param[5] = ha->node_name[6];
1061         sns_cmd->p.cmd.param[6] = ha->node_name[5];
1062         sns_cmd->p.cmd.param[7] = ha->node_name[4];
1063         sns_cmd->p.cmd.param[8] = ha->node_name[3];
1064         sns_cmd->p.cmd.param[9] = ha->node_name[2];
1065         sns_cmd->p.cmd.param[10] = ha->node_name[1];
1066         sns_cmd->p.cmd.param[11] = ha->node_name[0];
1067
1068         /* Execute SNS command. */
1069         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, RNN_ID_SNS_CMD_SIZE / 2,
1070             sizeof(struct sns_cmd_pkt));
1071         if (rval != QLA_SUCCESS) {
1072                 /*EMPTY*/
1073                 DEBUG2_3(printk("scsi(%ld): RNN_ID Send SNS failed (%d).\n",
1074                     ha->host_no, rval));
1075         } else if (sns_cmd->p.rnn_data[8] != 0x80 ||
1076             sns_cmd->p.rnn_data[9] != 0x02) {
1077                 DEBUG2_3(printk("scsi(%ld): RNN_ID failed, rejected request, "
1078                     "rnn_rsp:\n", ha->host_no));
1079                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.rnn_data, 16));
1080                 rval = QLA_FUNCTION_FAILED;
1081         } else {
1082                 DEBUG2(printk("scsi(%ld): RNN_ID exiting normally.\n",
1083                     ha->host_no));
1084         }
1085
1086         return (rval);
1087 }
1088
1089 /**
1090  * qla2x00_mgmt_svr_login() - Login to fabric Managment Service.
1091  * @ha: HA context
1092  *
1093  * Returns 0 on success.
1094  */
1095 static int
1096 qla2x00_mgmt_svr_login(scsi_qla_host_t *ha)
1097 {
1098         int ret;
1099         uint16_t mb[MAILBOX_REGISTER_COUNT];
1100
1101         ret = QLA_SUCCESS;
1102         if (ha->flags.management_server_logged_in)
1103                 return ret;
1104
1105         ha->isp_ops.fabric_login(ha, ha->mgmt_svr_loop_id, 0xff, 0xff, 0xfa,
1106             mb, BIT_1);
1107         if (mb[0] != MBS_COMMAND_COMPLETE) {
1108                 DEBUG2_13(printk("%s(%ld): Failed MANAGEMENT_SERVER login: "
1109                     "loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x\n",
1110                     __func__, ha->host_no, ha->mgmt_svr_loop_id, mb[0], mb[1],
1111                     mb[2], mb[6], mb[7]));
1112                 ret = QLA_FUNCTION_FAILED;
1113         } else
1114                 ha->flags.management_server_logged_in = 1;
1115
1116         return ret;
1117 }
1118
1119 /**
1120  * qla2x00_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
1121  * @ha: HA context
1122  * @req_size: request size in bytes
1123  * @rsp_size: response size in bytes
1124  *
1125  * Returns a pointer to the @ha's ms_iocb.
1126  */
1127 void *
1128 qla2x00_prep_ms_fdmi_iocb(scsi_qla_host_t *ha, uint32_t req_size,
1129     uint32_t rsp_size)
1130 {
1131         ms_iocb_entry_t *ms_pkt;
1132
1133         ms_pkt = ha->ms_iocb;
1134         memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
1135
1136         ms_pkt->entry_type = MS_IOCB_TYPE;
1137         ms_pkt->entry_count = 1;
1138         SET_TARGET_ID(ha, ms_pkt->loop_id, ha->mgmt_svr_loop_id);
1139         ms_pkt->control_flags = __constant_cpu_to_le16(CF_READ | CF_HEAD_TAG);
1140         ms_pkt->timeout = __constant_cpu_to_le16(59);
1141         ms_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
1142         ms_pkt->total_dsd_count = __constant_cpu_to_le16(2);
1143         ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
1144         ms_pkt->req_bytecount = cpu_to_le32(req_size);
1145
1146         ms_pkt->dseg_req_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1147         ms_pkt->dseg_req_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1148         ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
1149
1150         ms_pkt->dseg_rsp_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1151         ms_pkt->dseg_rsp_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1152         ms_pkt->dseg_rsp_length = ms_pkt->rsp_bytecount;
1153
1154         return ms_pkt;
1155 }
1156
1157 /**
1158  * qla24xx_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
1159  * @ha: HA context
1160  * @req_size: request size in bytes
1161  * @rsp_size: response size in bytes
1162  *
1163  * Returns a pointer to the @ha's ms_iocb.
1164  */
1165 void *
1166 qla24xx_prep_ms_fdmi_iocb(scsi_qla_host_t *ha, uint32_t req_size,
1167     uint32_t rsp_size)
1168 {
1169         struct ct_entry_24xx *ct_pkt;
1170
1171         ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1172         memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
1173
1174         ct_pkt->entry_type = CT_IOCB_TYPE;
1175         ct_pkt->entry_count = 1;
1176         ct_pkt->nport_handle = cpu_to_le16(ha->mgmt_svr_loop_id);
1177         ct_pkt->timeout = __constant_cpu_to_le16(59);
1178         ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
1179         ct_pkt->rsp_dsd_count = __constant_cpu_to_le16(1);
1180         ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
1181         ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1182
1183         ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1184         ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1185         ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
1186
1187         ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1188         ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1189         ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
1190         ct_pkt->vp_index = ha->vp_idx;
1191
1192         return ct_pkt;
1193 }
1194
1195 static inline ms_iocb_entry_t *
1196 qla2x00_update_ms_fdmi_iocb(scsi_qla_host_t *ha, uint32_t req_size)
1197 {
1198         ms_iocb_entry_t *ms_pkt = ha->ms_iocb;
1199         struct ct_entry_24xx *ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1200
1201         if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
1202                 ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1203                 ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
1204         } else {
1205                 ms_pkt->req_bytecount = cpu_to_le32(req_size);
1206                 ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
1207         }
1208
1209         return ms_pkt;
1210 }
1211
1212 /**
1213  * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
1214  * @ct_req: CT request buffer
1215  * @cmd: GS command
1216  * @rsp_size: response size in bytes
1217  *
1218  * Returns a pointer to the intitialized @ct_req.
1219  */
1220 static inline struct ct_sns_req *
1221 qla2x00_prep_ct_fdmi_req(struct ct_sns_req *ct_req, uint16_t cmd,
1222     uint16_t rsp_size)
1223 {
1224         memset(ct_req, 0, sizeof(struct ct_sns_pkt));
1225
1226         ct_req->header.revision = 0x01;
1227         ct_req->header.gs_type = 0xFA;
1228         ct_req->header.gs_subtype = 0x10;
1229         ct_req->command = cpu_to_be16(cmd);
1230         ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
1231
1232         return ct_req;
1233 }
1234
1235 /**
1236  * qla2x00_fdmi_rhba() -
1237  * @ha: HA context
1238  *
1239  * Returns 0 on success.
1240  */
1241 static int
1242 qla2x00_fdmi_rhba(scsi_qla_host_t *ha)
1243 {
1244         int rval, alen;
1245         uint32_t size, sn;
1246
1247         ms_iocb_entry_t *ms_pkt;
1248         struct ct_sns_req *ct_req;
1249         struct ct_sns_rsp *ct_rsp;
1250         uint8_t *entries;
1251         struct ct_fdmi_hba_attr *eiter;
1252
1253         /* Issue RHBA */
1254         /* Prepare common MS IOCB */
1255         /*   Request size adjusted after CT preparation */
1256         ms_pkt = ha->isp_ops.prep_ms_fdmi_iocb(ha, 0, RHBA_RSP_SIZE);
1257
1258         /* Prepare CT request */
1259         ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, RHBA_CMD,
1260             RHBA_RSP_SIZE);
1261         ct_rsp = &ha->ct_sns->p.rsp;
1262
1263         /* Prepare FDMI command arguments -- attribute block, attributes. */
1264         memcpy(ct_req->req.rhba.hba_identifier, ha->port_name, WWN_SIZE);
1265         ct_req->req.rhba.entry_count = __constant_cpu_to_be32(1);
1266         memcpy(ct_req->req.rhba.port_name, ha->port_name, WWN_SIZE);
1267         size = 2 * WWN_SIZE + 4 + 4;
1268
1269         /* Attributes */
1270         ct_req->req.rhba.attrs.count =
1271             __constant_cpu_to_be32(FDMI_HBA_ATTR_COUNT);
1272         entries = ct_req->req.rhba.hba_identifier;
1273
1274         /* Nodename. */
1275         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1276         eiter->type = __constant_cpu_to_be16(FDMI_HBA_NODE_NAME);
1277         eiter->len = __constant_cpu_to_be16(4 + WWN_SIZE);
1278         memcpy(eiter->a.node_name, ha->node_name, WWN_SIZE);
1279         size += 4 + WWN_SIZE;
1280
1281         DEBUG13(printk("%s(%ld): NODENAME=%02x%02x%02x%02x%02x%02x%02x%02x.\n",
1282             __func__, ha->host_no,
1283             eiter->a.node_name[0], eiter->a.node_name[1], eiter->a.node_name[2],
1284             eiter->a.node_name[3], eiter->a.node_name[4], eiter->a.node_name[5],
1285             eiter->a.node_name[6], eiter->a.node_name[7]));
1286
1287         /* Manufacturer. */
1288         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1289         eiter->type = __constant_cpu_to_be16(FDMI_HBA_MANUFACTURER);
1290         strcpy(eiter->a.manufacturer, "QLogic Corporation");
1291         alen = strlen(eiter->a.manufacturer);
1292         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1293         eiter->len = cpu_to_be16(4 + alen);
1294         size += 4 + alen;
1295
1296         DEBUG13(printk("%s(%ld): MANUFACTURER=%s.\n", __func__, ha->host_no,
1297             eiter->a.manufacturer));
1298
1299         /* Serial number. */
1300         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1301         eiter->type = __constant_cpu_to_be16(FDMI_HBA_SERIAL_NUMBER);
1302         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
1303         sprintf(eiter->a.serial_num, "%c%05d", 'A' + sn / 100000, sn % 100000);
1304         alen = strlen(eiter->a.serial_num);
1305         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1306         eiter->len = cpu_to_be16(4 + alen);
1307         size += 4 + alen;
1308
1309         DEBUG13(printk("%s(%ld): SERIALNO=%s.\n", __func__, ha->host_no,
1310             eiter->a.serial_num));
1311
1312         /* Model name. */
1313         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1314         eiter->type = __constant_cpu_to_be16(FDMI_HBA_MODEL);
1315         strcpy(eiter->a.model, ha->model_number);
1316         alen = strlen(eiter->a.model);
1317         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1318         eiter->len = cpu_to_be16(4 + alen);
1319         size += 4 + alen;
1320
1321         DEBUG13(printk("%s(%ld): MODEL_NAME=%s.\n", __func__, ha->host_no,
1322             eiter->a.model));
1323
1324         /* Model description. */
1325         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1326         eiter->type = __constant_cpu_to_be16(FDMI_HBA_MODEL_DESCRIPTION);
1327         if (ha->model_desc)
1328                 strncpy(eiter->a.model_desc, ha->model_desc, 80);
1329         alen = strlen(eiter->a.model_desc);
1330         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1331         eiter->len = cpu_to_be16(4 + alen);
1332         size += 4 + alen;
1333
1334         DEBUG13(printk("%s(%ld): MODEL_DESC=%s.\n", __func__, ha->host_no,
1335             eiter->a.model_desc));
1336
1337         /* Hardware version. */
1338         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1339         eiter->type = __constant_cpu_to_be16(FDMI_HBA_HARDWARE_VERSION);
1340         strcpy(eiter->a.hw_version, ha->adapter_id);
1341         alen = strlen(eiter->a.hw_version);
1342         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1343         eiter->len = cpu_to_be16(4 + alen);
1344         size += 4 + alen;
1345
1346         DEBUG13(printk("%s(%ld): HARDWAREVER=%s.\n", __func__, ha->host_no,
1347             eiter->a.hw_version));
1348
1349         /* Driver version. */
1350         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1351         eiter->type = __constant_cpu_to_be16(FDMI_HBA_DRIVER_VERSION);
1352         strcpy(eiter->a.driver_version, qla2x00_version_str);
1353         alen = strlen(eiter->a.driver_version);
1354         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1355         eiter->len = cpu_to_be16(4 + alen);
1356         size += 4 + alen;
1357
1358         DEBUG13(printk("%s(%ld): DRIVERVER=%s.\n", __func__, ha->host_no,
1359             eiter->a.driver_version));
1360
1361         /* Option ROM version. */
1362         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1363         eiter->type = __constant_cpu_to_be16(FDMI_HBA_OPTION_ROM_VERSION);
1364         strcpy(eiter->a.orom_version, "0.00");
1365         alen = strlen(eiter->a.orom_version);
1366         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1367         eiter->len = cpu_to_be16(4 + alen);
1368         size += 4 + alen;
1369
1370         DEBUG13(printk("%s(%ld): OPTROMVER=%s.\n", __func__, ha->host_no,
1371             eiter->a.orom_version));
1372
1373         /* Firmware version */
1374         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1375         eiter->type = __constant_cpu_to_be16(FDMI_HBA_FIRMWARE_VERSION);
1376         ha->isp_ops.fw_version_str(ha, eiter->a.fw_version);
1377         alen = strlen(eiter->a.fw_version);
1378         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1379         eiter->len = cpu_to_be16(4 + alen);
1380         size += 4 + alen;
1381
1382         DEBUG13(printk("%s(%ld): FIRMWAREVER=%s.\n", __func__, ha->host_no,
1383             eiter->a.fw_version));
1384
1385         /* Update MS request size. */
1386         qla2x00_update_ms_fdmi_iocb(ha, size + 16);
1387
1388         DEBUG13(printk("%s(%ld): RHBA identifier="
1389             "%02x%02x%02x%02x%02x%02x%02x%02x size=%d.\n", __func__,
1390             ha->host_no, ct_req->req.rhba.hba_identifier[0],
1391             ct_req->req.rhba.hba_identifier[1],
1392             ct_req->req.rhba.hba_identifier[2],
1393             ct_req->req.rhba.hba_identifier[3],
1394             ct_req->req.rhba.hba_identifier[4],
1395             ct_req->req.rhba.hba_identifier[5],
1396             ct_req->req.rhba.hba_identifier[6],
1397             ct_req->req.rhba.hba_identifier[7], size));
1398         DEBUG13(qla2x00_dump_buffer(entries, size));
1399
1400         /* Execute MS IOCB */
1401         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1402             sizeof(ms_iocb_entry_t));
1403         if (rval != QLA_SUCCESS) {
1404                 /*EMPTY*/
1405                 DEBUG2_3(printk("scsi(%ld): RHBA issue IOCB failed (%d).\n",
1406                     ha->host_no, rval));
1407         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RHBA") !=
1408             QLA_SUCCESS) {
1409                 rval = QLA_FUNCTION_FAILED;
1410                 if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
1411                     ct_rsp->header.explanation_code ==
1412                     CT_EXPL_ALREADY_REGISTERED) {
1413                         DEBUG2_13(printk("%s(%ld): HBA already registered.\n",
1414                             __func__, ha->host_no));
1415                         rval = QLA_ALREADY_REGISTERED;
1416                 }
1417         } else {
1418                 DEBUG2(printk("scsi(%ld): RHBA exiting normally.\n",
1419                     ha->host_no));
1420         }
1421
1422         return rval;
1423 }
1424
1425 /**
1426  * qla2x00_fdmi_dhba() -
1427  * @ha: HA context
1428  *
1429  * Returns 0 on success.
1430  */
1431 static int
1432 qla2x00_fdmi_dhba(scsi_qla_host_t *ha)
1433 {
1434         int rval;
1435
1436         ms_iocb_entry_t *ms_pkt;
1437         struct ct_sns_req *ct_req;
1438         struct ct_sns_rsp *ct_rsp;
1439
1440         /* Issue RPA */
1441         /* Prepare common MS IOCB */
1442         ms_pkt = ha->isp_ops.prep_ms_fdmi_iocb(ha, DHBA_REQ_SIZE,
1443             DHBA_RSP_SIZE);
1444
1445         /* Prepare CT request */
1446         ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, DHBA_CMD,
1447             DHBA_RSP_SIZE);
1448         ct_rsp = &ha->ct_sns->p.rsp;
1449
1450         /* Prepare FDMI command arguments -- portname. */
1451         memcpy(ct_req->req.dhba.port_name, ha->port_name, WWN_SIZE);
1452
1453         DEBUG13(printk("%s(%ld): DHBA portname="
1454             "%02x%02x%02x%02x%02x%02x%02x%02x.\n", __func__, ha->host_no,
1455             ct_req->req.dhba.port_name[0], ct_req->req.dhba.port_name[1],
1456             ct_req->req.dhba.port_name[2], ct_req->req.dhba.port_name[3],
1457             ct_req->req.dhba.port_name[4], ct_req->req.dhba.port_name[5],
1458             ct_req->req.dhba.port_name[6], ct_req->req.dhba.port_name[7]));
1459
1460         /* Execute MS IOCB */
1461         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1462             sizeof(ms_iocb_entry_t));
1463         if (rval != QLA_SUCCESS) {
1464                 /*EMPTY*/
1465                 DEBUG2_3(printk("scsi(%ld): DHBA issue IOCB failed (%d).\n",
1466                     ha->host_no, rval));
1467         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "DHBA") !=
1468             QLA_SUCCESS) {
1469                 rval = QLA_FUNCTION_FAILED;
1470         } else {
1471                 DEBUG2(printk("scsi(%ld): DHBA exiting normally.\n",
1472                     ha->host_no));
1473         }
1474
1475         return rval;
1476 }
1477
1478 /**
1479  * qla2x00_fdmi_rpa() -
1480  * @ha: HA context
1481  *
1482  * Returns 0 on success.
1483  */
1484 static int
1485 qla2x00_fdmi_rpa(scsi_qla_host_t *ha)
1486 {
1487         int rval, alen;
1488         uint32_t size, max_frame_size;
1489
1490         ms_iocb_entry_t *ms_pkt;
1491         struct ct_sns_req *ct_req;
1492         struct ct_sns_rsp *ct_rsp;
1493         uint8_t *entries;
1494         struct ct_fdmi_port_attr *eiter;
1495         struct init_cb_24xx *icb24 = (struct init_cb_24xx *)ha->init_cb;
1496
1497         /* Issue RPA */
1498         /* Prepare common MS IOCB */
1499         /*   Request size adjusted after CT preparation */
1500         ms_pkt = ha->isp_ops.prep_ms_fdmi_iocb(ha, 0, RPA_RSP_SIZE);
1501
1502         /* Prepare CT request */
1503         ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, RPA_CMD,
1504             RPA_RSP_SIZE);
1505         ct_rsp = &ha->ct_sns->p.rsp;
1506
1507         /* Prepare FDMI command arguments -- attribute block, attributes. */
1508         memcpy(ct_req->req.rpa.port_name, ha->port_name, WWN_SIZE);
1509         size = WWN_SIZE + 4;
1510
1511         /* Attributes */
1512         ct_req->req.rpa.attrs.count =
1513             __constant_cpu_to_be32(FDMI_PORT_ATTR_COUNT);
1514         entries = ct_req->req.rpa.port_name;
1515
1516         /* FC4 types. */
1517         eiter = (struct ct_fdmi_port_attr *) (entries + size);
1518         eiter->type = __constant_cpu_to_be16(FDMI_PORT_FC4_TYPES);
1519         eiter->len = __constant_cpu_to_be16(4 + 32);
1520         eiter->a.fc4_types[2] = 0x01;
1521         size += 4 + 32;
1522
1523         DEBUG13(printk("%s(%ld): FC4_TYPES=%02x %02x.\n", __func__, ha->host_no,
1524             eiter->a.fc4_types[2], eiter->a.fc4_types[1]));
1525
1526         /* Supported speed. */
1527         eiter = (struct ct_fdmi_port_attr *) (entries + size);
1528         eiter->type = __constant_cpu_to_be16(FDMI_PORT_SUPPORT_SPEED);
1529         eiter->len = __constant_cpu_to_be16(4 + 4);
1530         if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
1531                 eiter->a.sup_speed = __constant_cpu_to_be32(4);
1532         else if (IS_QLA23XX(ha))
1533                 eiter->a.sup_speed = __constant_cpu_to_be32(2);
1534         else
1535                 eiter->a.sup_speed = __constant_cpu_to_be32(1);
1536         size += 4 + 4;
1537
1538         DEBUG13(printk("%s(%ld): SUPPORTED_SPEED=%x.\n", __func__, ha->host_no,
1539             eiter->a.sup_speed));
1540
1541         /* Current speed. */
1542         eiter = (struct ct_fdmi_port_attr *) (entries + size);
1543         eiter->type = __constant_cpu_to_be16(FDMI_PORT_CURRENT_SPEED);
1544         eiter->len = __constant_cpu_to_be16(4 + 4);
1545         switch (ha->link_data_rate) {
1546         case 0:
1547                 eiter->a.cur_speed = __constant_cpu_to_be32(1);
1548                 break;
1549         case 1:
1550                 eiter->a.cur_speed = __constant_cpu_to_be32(2);
1551                 break;
1552         case 3:
1553                 eiter->a.cur_speed = __constant_cpu_to_be32(4);
1554                 break;
1555         }
1556         size += 4 + 4;
1557
1558         DEBUG13(printk("%s(%ld): CURRENT_SPEED=%x.\n", __func__, ha->host_no,
1559             eiter->a.cur_speed));
1560
1561         /* Max frame size. */
1562         eiter = (struct ct_fdmi_port_attr *) (entries + size);
1563         eiter->type = __constant_cpu_to_be16(FDMI_PORT_MAX_FRAME_SIZE);
1564         eiter->len = __constant_cpu_to_be16(4 + 4);
1565         max_frame_size = IS_QLA24XX(ha) || IS_QLA54XX(ha) ?
1566                 (uint32_t) icb24->frame_payload_size:
1567                 (uint32_t) ha->init_cb->frame_payload_size;
1568         eiter->a.max_frame_size = cpu_to_be32(max_frame_size);
1569         size += 4 + 4;
1570
1571         DEBUG13(printk("%s(%ld): MAX_FRAME_SIZE=%x.\n", __func__, ha->host_no,
1572             eiter->a.max_frame_size));
1573
1574         /* OS device name. */
1575         eiter = (struct ct_fdmi_port_attr *) (entries + size);
1576         eiter->type = __constant_cpu_to_be16(FDMI_PORT_OS_DEVICE_NAME);
1577         sprintf(eiter->a.os_dev_name, "/proc/scsi/qla2xxx/%ld", ha->host_no);
1578         alen = strlen(eiter->a.os_dev_name);
1579         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1580         eiter->len = cpu_to_be16(4 + alen);
1581         size += 4 + alen;
1582
1583         DEBUG13(printk("%s(%ld): OS_DEVICE_NAME=%s.\n", __func__, ha->host_no,
1584             eiter->a.os_dev_name));
1585
1586         /* Hostname. */
1587         if (strlen(fc_host_system_hostname(ha->host))) {
1588                 eiter = (struct ct_fdmi_port_attr *) (entries + size);
1589                 eiter->type = __constant_cpu_to_be16(FDMI_PORT_HOST_NAME);
1590                 snprintf(eiter->a.host_name, sizeof(eiter->a.host_name),
1591                     "%s", fc_host_system_hostname(ha->host));
1592                 alen = strlen(eiter->a.host_name);
1593                 alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1594                 eiter->len = cpu_to_be16(4 + alen);
1595                 size += 4 + alen;
1596
1597                 DEBUG13(printk("%s(%ld): HOSTNAME=%s.\n", __func__,
1598                     ha->host_no, eiter->a.host_name));
1599         }
1600
1601         /* Update MS request size. */
1602         qla2x00_update_ms_fdmi_iocb(ha, size + 16);
1603
1604         DEBUG13(printk("%s(%ld): RPA portname="
1605             "%02x%02x%02x%02x%02x%02x%02x%02x size=%d.\n", __func__,
1606             ha->host_no, ct_req->req.rpa.port_name[0],
1607             ct_req->req.rpa.port_name[1], ct_req->req.rpa.port_name[2],
1608             ct_req->req.rpa.port_name[3], ct_req->req.rpa.port_name[4],
1609             ct_req->req.rpa.port_name[5], ct_req->req.rpa.port_name[6],
1610             ct_req->req.rpa.port_name[7], size));
1611         DEBUG13(qla2x00_dump_buffer(entries, size));
1612
1613         /* Execute MS IOCB */
1614         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1615             sizeof(ms_iocb_entry_t));
1616         if (rval != QLA_SUCCESS) {
1617                 /*EMPTY*/
1618                 DEBUG2_3(printk("scsi(%ld): RPA issue IOCB failed (%d).\n",
1619                     ha->host_no, rval));
1620         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RPA") !=
1621             QLA_SUCCESS) {
1622                 rval = QLA_FUNCTION_FAILED;
1623         } else {
1624                 DEBUG2(printk("scsi(%ld): RPA exiting normally.\n",
1625                     ha->host_no));
1626         }
1627
1628         return rval;
1629 }
1630
1631 /**
1632  * qla2x00_fdmi_register() -
1633  * @ha: HA context
1634  *
1635  * Returns 0 on success.
1636  */
1637 int
1638 qla2x00_fdmi_register(scsi_qla_host_t *ha)
1639 {
1640         int rval;
1641
1642         rval = qla2x00_mgmt_svr_login(ha);
1643         if (rval)
1644                 return rval;
1645
1646         rval = qla2x00_fdmi_rhba(ha);
1647         if (rval) {
1648                 if (rval != QLA_ALREADY_REGISTERED)
1649                         return rval;
1650
1651                 rval = qla2x00_fdmi_dhba(ha);
1652                 if (rval)
1653                         return rval;
1654
1655                 rval = qla2x00_fdmi_rhba(ha);
1656                 if (rval)
1657                         return rval;
1658         }
1659         rval = qla2x00_fdmi_rpa(ha);
1660
1661         return rval;
1662 }
1663
1664 /**
1665  * qla2x00_gfpn_id() - SNS Get Fabric Port Name (GFPN_ID) query.
1666  * @ha: HA context
1667  * @list: switch info entries to populate
1668  *
1669  * Returns 0 on success.
1670  */
1671 int
1672 qla2x00_gfpn_id(scsi_qla_host_t *ha, sw_info_t *list)
1673 {
1674         int             rval;
1675         uint16_t        i;
1676
1677         ms_iocb_entry_t *ms_pkt;
1678         struct ct_sns_req       *ct_req;
1679         struct ct_sns_rsp       *ct_rsp;
1680
1681         if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha))
1682                 return QLA_FUNCTION_FAILED;
1683
1684         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
1685                 /* Issue GFPN_ID */
1686                 memset(list[i].fabric_port_name, 0, WWN_SIZE);
1687
1688                 /* Prepare common MS IOCB */
1689                 ms_pkt = ha->isp_ops.prep_ms_iocb(ha, GFPN_ID_REQ_SIZE,
1690                     GFPN_ID_RSP_SIZE);
1691
1692                 /* Prepare CT request */
1693                 ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GFPN_ID_CMD,
1694                     GFPN_ID_RSP_SIZE);
1695                 ct_rsp = &ha->ct_sns->p.rsp;
1696
1697                 /* Prepare CT arguments -- port_id */
1698                 ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
1699                 ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
1700                 ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
1701
1702                 /* Execute MS IOCB */
1703                 rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1704                     sizeof(ms_iocb_entry_t));
1705                 if (rval != QLA_SUCCESS) {
1706                         /*EMPTY*/
1707                         DEBUG2_3(printk("scsi(%ld): GFPN_ID issue IOCB "
1708                             "failed (%d).\n", ha->host_no, rval));
1709                 } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp,
1710                     "GFPN_ID") != QLA_SUCCESS) {
1711                         rval = QLA_FUNCTION_FAILED;
1712                 } else {
1713                         /* Save fabric portname */
1714                         memcpy(list[i].fabric_port_name,
1715                             ct_rsp->rsp.gfpn_id.port_name, WWN_SIZE);
1716                 }
1717
1718                 /* Last device exit. */
1719                 if (list[i].d_id.b.rsvd_1 != 0)
1720                         break;
1721         }
1722
1723         return (rval);
1724 }
1725
1726 static inline void *
1727 qla24xx_prep_ms_fm_iocb(scsi_qla_host_t *ha, uint32_t req_size,
1728     uint32_t rsp_size)
1729 {
1730         struct ct_entry_24xx *ct_pkt;
1731
1732         ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1733         memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
1734
1735         ct_pkt->entry_type = CT_IOCB_TYPE;
1736         ct_pkt->entry_count = 1;
1737         ct_pkt->nport_handle = cpu_to_le16(ha->mgmt_svr_loop_id);
1738         ct_pkt->timeout = __constant_cpu_to_le16(59);
1739         ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
1740         ct_pkt->rsp_dsd_count = __constant_cpu_to_le16(1);
1741         ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
1742         ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1743
1744         ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1745         ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1746         ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
1747
1748         ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1749         ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1750         ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
1751         ct_pkt->vp_index = ha->vp_idx;
1752
1753         return ct_pkt;
1754 }
1755
1756
1757 static inline struct ct_sns_req *
1758 qla24xx_prep_ct_fm_req(struct ct_sns_req *ct_req, uint16_t cmd,
1759     uint16_t rsp_size)
1760 {
1761         memset(ct_req, 0, sizeof(struct ct_sns_pkt));
1762
1763         ct_req->header.revision = 0x01;
1764         ct_req->header.gs_type = 0xFA;
1765         ct_req->header.gs_subtype = 0x01;
1766         ct_req->command = cpu_to_be16(cmd);
1767         ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
1768
1769         return ct_req;
1770 }
1771
1772 /**
1773  * qla2x00_gpsc() - FCS Get Port Speed Capabilities (GPSC) query.
1774  * @ha: HA context
1775  * @list: switch info entries to populate
1776  *
1777  * Returns 0 on success.
1778  */
1779 int
1780 qla2x00_gpsc(scsi_qla_host_t *ha, sw_info_t *list)
1781 {
1782         int             rval;
1783         uint16_t        i;
1784
1785         ms_iocb_entry_t *ms_pkt;
1786         struct ct_sns_req       *ct_req;
1787         struct ct_sns_rsp       *ct_rsp;
1788
1789         if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha))
1790                 return QLA_FUNCTION_FAILED;
1791         if (!ha->flags.gpsc_supported)
1792                 return QLA_FUNCTION_FAILED;
1793
1794         rval = qla2x00_mgmt_svr_login(ha);
1795         if (rval)
1796                 return rval;
1797
1798         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
1799                 /* Issue GFPN_ID */
1800                 list[i].fp_speeds = list[i].fp_speed = 0;
1801
1802                 /* Prepare common MS IOCB */
1803                 ms_pkt = qla24xx_prep_ms_fm_iocb(ha, GPSC_REQ_SIZE,
1804                     GPSC_RSP_SIZE);
1805
1806                 /* Prepare CT request */
1807                 ct_req = qla24xx_prep_ct_fm_req(&ha->ct_sns->p.req,
1808                     GPSC_CMD, GPSC_RSP_SIZE);
1809                 ct_rsp = &ha->ct_sns->p.rsp;
1810
1811                 /* Prepare CT arguments -- port_name */
1812                 memcpy(ct_req->req.gpsc.port_name, list[i].fabric_port_name,
1813                     WWN_SIZE);
1814
1815                 /* Execute MS IOCB */
1816                 rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1817                     sizeof(ms_iocb_entry_t));
1818                 if (rval != QLA_SUCCESS) {
1819                         /*EMPTY*/
1820                         DEBUG2_3(printk("scsi(%ld): GPSC issue IOCB "
1821                             "failed (%d).\n", ha->host_no, rval));
1822                 } else if ((rval = qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp,
1823                     "GPSC")) != QLA_SUCCESS) {
1824                         /* FM command unsupported? */
1825                         if (rval == QLA_INVALID_COMMAND &&
1826                             ct_rsp->header.reason_code ==
1827                             CT_REASON_INVALID_COMMAND_CODE) {
1828                                 DEBUG2(printk("scsi(%ld): GPSC command "
1829                                     "unsupported, disabling query...\n",
1830                                     ha->host_no));
1831                                 ha->flags.gpsc_supported = 0;
1832                                 rval = QLA_FUNCTION_FAILED;
1833                                 break;
1834                         }
1835                         rval = QLA_FUNCTION_FAILED;
1836                 } else {
1837                         /* Save portname */
1838                         list[i].fp_speeds = ct_rsp->rsp.gpsc.speeds;
1839                         list[i].fp_speed = ct_rsp->rsp.gpsc.speed;
1840
1841                         DEBUG2_3(printk("scsi(%ld): GPSC ext entry - "
1842                             "fpn %02x%02x%02x%02x%02x%02x%02x%02x speeds=%04x "
1843                             "speed=%04x.\n", ha->host_no,
1844                             list[i].fabric_port_name[0],
1845                             list[i].fabric_port_name[1],
1846                             list[i].fabric_port_name[2],
1847                             list[i].fabric_port_name[3],
1848                             list[i].fabric_port_name[4],
1849                             list[i].fabric_port_name[5],
1850                             list[i].fabric_port_name[6],
1851                             list[i].fabric_port_name[7],
1852                             be16_to_cpu(list[i].fp_speeds),
1853                             be16_to_cpu(list[i].fp_speed)));
1854                 }
1855
1856                 /* Last device exit. */
1857                 if (list[i].d_id.b.rsvd_1 != 0)
1858                         break;
1859         }
1860
1861         return (rval);
1862 }