[SCSI] qla2xxx: Correct misc. endian and byte-ordering issues.
[linux-2.6.git] / drivers / scsi / qla2xxx / qla_gs.c
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2008 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8
9 static int qla2x00_sns_ga_nxt(scsi_qla_host_t *, fc_port_t *);
10 static int qla2x00_sns_gid_pt(scsi_qla_host_t *, sw_info_t *);
11 static int qla2x00_sns_gpn_id(scsi_qla_host_t *, sw_info_t *);
12 static int qla2x00_sns_gnn_id(scsi_qla_host_t *, sw_info_t *);
13 static int qla2x00_sns_rft_id(scsi_qla_host_t *);
14 static int qla2x00_sns_rnn_id(scsi_qla_host_t *);
15
16 /**
17  * qla2x00_prep_ms_iocb() - Prepare common MS/CT IOCB fields for SNS CT query.
18  * @ha: HA context
19  * @req_size: request size in bytes
20  * @rsp_size: response size in bytes
21  *
22  * Returns a pointer to the @ha's ms_iocb.
23  */
24 void *
25 qla2x00_prep_ms_iocb(scsi_qla_host_t *ha, uint32_t req_size, uint32_t rsp_size)
26 {
27         ms_iocb_entry_t *ms_pkt;
28
29         ms_pkt = ha->ms_iocb;
30         memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
31
32         ms_pkt->entry_type = MS_IOCB_TYPE;
33         ms_pkt->entry_count = 1;
34         SET_TARGET_ID(ha, ms_pkt->loop_id, SIMPLE_NAME_SERVER);
35         ms_pkt->control_flags = __constant_cpu_to_le16(CF_READ | CF_HEAD_TAG);
36         ms_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
37         ms_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
38         ms_pkt->total_dsd_count = __constant_cpu_to_le16(2);
39         ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
40         ms_pkt->req_bytecount = cpu_to_le32(req_size);
41
42         ms_pkt->dseg_req_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
43         ms_pkt->dseg_req_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
44         ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
45
46         ms_pkt->dseg_rsp_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
47         ms_pkt->dseg_rsp_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
48         ms_pkt->dseg_rsp_length = ms_pkt->rsp_bytecount;
49
50         return (ms_pkt);
51 }
52
53 /**
54  * qla24xx_prep_ms_iocb() - Prepare common CT IOCB fields for SNS CT query.
55  * @ha: HA context
56  * @req_size: request size in bytes
57  * @rsp_size: response size in bytes
58  *
59  * Returns a pointer to the @ha's ms_iocb.
60  */
61 void *
62 qla24xx_prep_ms_iocb(scsi_qla_host_t *ha, uint32_t req_size, uint32_t rsp_size)
63 {
64         struct ct_entry_24xx *ct_pkt;
65
66         ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
67         memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
68
69         ct_pkt->entry_type = CT_IOCB_TYPE;
70         ct_pkt->entry_count = 1;
71         ct_pkt->nport_handle = __constant_cpu_to_le16(NPH_SNS);
72         ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
73         ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
74         ct_pkt->rsp_dsd_count = __constant_cpu_to_le16(1);
75         ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
76         ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
77
78         ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
79         ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
80         ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
81
82         ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
83         ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
84         ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
85         ct_pkt->vp_index = ha->vp_idx;
86
87         return (ct_pkt);
88 }
89
90 /**
91  * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
92  * @ct_req: CT request buffer
93  * @cmd: GS command
94  * @rsp_size: response size in bytes
95  *
96  * Returns a pointer to the intitialized @ct_req.
97  */
98 static inline struct ct_sns_req *
99 qla2x00_prep_ct_req(struct ct_sns_req *ct_req, uint16_t cmd, uint16_t rsp_size)
100 {
101         memset(ct_req, 0, sizeof(struct ct_sns_pkt));
102
103         ct_req->header.revision = 0x01;
104         ct_req->header.gs_type = 0xFC;
105         ct_req->header.gs_subtype = 0x02;
106         ct_req->command = cpu_to_be16(cmd);
107         ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
108
109         return (ct_req);
110 }
111
112 static int
113 qla2x00_chk_ms_status(scsi_qla_host_t *ha, ms_iocb_entry_t *ms_pkt,
114     struct ct_sns_rsp *ct_rsp, const char *routine)
115 {
116         int rval;
117         uint16_t comp_status;
118
119         rval = QLA_FUNCTION_FAILED;
120         if (ms_pkt->entry_status != 0) {
121                 DEBUG2_3(printk("scsi(%ld): %s failed, error status (%x).\n",
122                     ha->host_no, routine, ms_pkt->entry_status));
123         } else {
124                 if (IS_FWI2_CAPABLE(ha))
125                         comp_status = le16_to_cpu(
126                             ((struct ct_entry_24xx *)ms_pkt)->comp_status);
127                 else
128                         comp_status = le16_to_cpu(ms_pkt->status);
129                 switch (comp_status) {
130                 case CS_COMPLETE:
131                 case CS_DATA_UNDERRUN:
132                 case CS_DATA_OVERRUN:           /* Overrun? */
133                         if (ct_rsp->header.response !=
134                             __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
135                                 DEBUG2_3(printk("scsi(%ld): %s failed, "
136                                     "rejected request:\n", ha->host_no,
137                                     routine));
138                                 DEBUG2_3(qla2x00_dump_buffer(
139                                     (uint8_t *)&ct_rsp->header,
140                                     sizeof(struct ct_rsp_hdr)));
141                                 rval = QLA_INVALID_COMMAND;
142                         } else
143                                 rval = QLA_SUCCESS;
144                         break;
145                 default:
146                         DEBUG2_3(printk("scsi(%ld): %s failed, completion "
147                             "status (%x).\n", ha->host_no, routine,
148                             comp_status));
149                         break;
150                 }
151         }
152         return rval;
153 }
154
155 /**
156  * qla2x00_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
157  * @ha: HA context
158  * @fcport: fcport entry to updated
159  *
160  * Returns 0 on success.
161  */
162 int
163 qla2x00_ga_nxt(scsi_qla_host_t *ha, fc_port_t *fcport)
164 {
165         int             rval;
166
167         ms_iocb_entry_t *ms_pkt;
168         struct ct_sns_req       *ct_req;
169         struct ct_sns_rsp       *ct_rsp;
170
171         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
172                 return (qla2x00_sns_ga_nxt(ha, fcport));
173         }
174
175         /* Issue GA_NXT */
176         /* Prepare common MS IOCB */
177         ms_pkt = ha->isp_ops->prep_ms_iocb(ha, GA_NXT_REQ_SIZE,
178             GA_NXT_RSP_SIZE);
179
180         /* Prepare CT request */
181         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GA_NXT_CMD,
182             GA_NXT_RSP_SIZE);
183         ct_rsp = &ha->ct_sns->p.rsp;
184
185         /* Prepare CT arguments -- port_id */
186         ct_req->req.port_id.port_id[0] = fcport->d_id.b.domain;
187         ct_req->req.port_id.port_id[1] = fcport->d_id.b.area;
188         ct_req->req.port_id.port_id[2] = fcport->d_id.b.al_pa;
189
190         /* Execute MS IOCB */
191         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
192             sizeof(ms_iocb_entry_t));
193         if (rval != QLA_SUCCESS) {
194                 /*EMPTY*/
195                 DEBUG2_3(printk("scsi(%ld): GA_NXT issue IOCB failed (%d).\n",
196                     ha->host_no, rval));
197         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "GA_NXT") !=
198             QLA_SUCCESS) {
199                 rval = QLA_FUNCTION_FAILED;
200         } else {
201                 /* Populate fc_port_t entry. */
202                 fcport->d_id.b.domain = ct_rsp->rsp.ga_nxt.port_id[0];
203                 fcport->d_id.b.area = ct_rsp->rsp.ga_nxt.port_id[1];
204                 fcport->d_id.b.al_pa = ct_rsp->rsp.ga_nxt.port_id[2];
205
206                 memcpy(fcport->node_name, ct_rsp->rsp.ga_nxt.node_name,
207                     WWN_SIZE);
208                 memcpy(fcport->port_name, ct_rsp->rsp.ga_nxt.port_name,
209                     WWN_SIZE);
210
211                 if (ct_rsp->rsp.ga_nxt.port_type != NS_N_PORT_TYPE &&
212                     ct_rsp->rsp.ga_nxt.port_type != NS_NL_PORT_TYPE)
213                         fcport->d_id.b.domain = 0xf0;
214
215                 DEBUG2_3(printk("scsi(%ld): GA_NXT entry - "
216                     "nn %02x%02x%02x%02x%02x%02x%02x%02x "
217                     "pn %02x%02x%02x%02x%02x%02x%02x%02x "
218                     "portid=%02x%02x%02x.\n",
219                     ha->host_no,
220                     fcport->node_name[0], fcport->node_name[1],
221                     fcport->node_name[2], fcport->node_name[3],
222                     fcport->node_name[4], fcport->node_name[5],
223                     fcport->node_name[6], fcport->node_name[7],
224                     fcport->port_name[0], fcport->port_name[1],
225                     fcport->port_name[2], fcport->port_name[3],
226                     fcport->port_name[4], fcport->port_name[5],
227                     fcport->port_name[6], fcport->port_name[7],
228                     fcport->d_id.b.domain, fcport->d_id.b.area,
229                     fcport->d_id.b.al_pa));
230         }
231
232         return (rval);
233 }
234
235 /**
236  * qla2x00_gid_pt() - SNS scan for fabric devices via GID_PT command.
237  * @ha: HA context
238  * @list: switch info entries to populate
239  *
240  * NOTE: Non-Nx_Ports are not requested.
241  *
242  * Returns 0 on success.
243  */
244 int
245 qla2x00_gid_pt(scsi_qla_host_t *ha, sw_info_t *list)
246 {
247         int             rval;
248         uint16_t        i;
249
250         ms_iocb_entry_t *ms_pkt;
251         struct ct_sns_req       *ct_req;
252         struct ct_sns_rsp       *ct_rsp;
253
254         struct ct_sns_gid_pt_data *gid_data;
255
256         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
257                 return (qla2x00_sns_gid_pt(ha, list));
258         }
259
260         gid_data = NULL;
261
262         /* Issue GID_PT */
263         /* Prepare common MS IOCB */
264         ms_pkt = ha->isp_ops->prep_ms_iocb(ha, GID_PT_REQ_SIZE,
265             GID_PT_RSP_SIZE);
266
267         /* Prepare CT request */
268         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GID_PT_CMD,
269             GID_PT_RSP_SIZE);
270         ct_rsp = &ha->ct_sns->p.rsp;
271
272         /* Prepare CT arguments -- port_type */
273         ct_req->req.gid_pt.port_type = NS_NX_PORT_TYPE;
274
275         /* Execute MS IOCB */
276         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
277             sizeof(ms_iocb_entry_t));
278         if (rval != QLA_SUCCESS) {
279                 /*EMPTY*/
280                 DEBUG2_3(printk("scsi(%ld): GID_PT issue IOCB failed (%d).\n",
281                     ha->host_no, rval));
282         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "GID_PT") !=
283             QLA_SUCCESS) {
284                 rval = QLA_FUNCTION_FAILED;
285         } else {
286                 /* Set port IDs in switch info list. */
287                 for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
288                         gid_data = &ct_rsp->rsp.gid_pt.entries[i];
289                         list[i].d_id.b.domain = gid_data->port_id[0];
290                         list[i].d_id.b.area = gid_data->port_id[1];
291                         list[i].d_id.b.al_pa = gid_data->port_id[2];
292                         memset(list[i].fabric_port_name, 0, WWN_SIZE);
293                         list[i].fp_speed = PORT_SPEED_UNKNOWN;
294
295                         /* Last one exit. */
296                         if (gid_data->control_byte & BIT_7) {
297                                 list[i].d_id.b.rsvd_1 = gid_data->control_byte;
298                                 break;
299                         }
300                 }
301
302                 /*
303                  * If we've used all available slots, then the switch is
304                  * reporting back more devices than we can handle with this
305                  * single call.  Return a failed status, and let GA_NXT handle
306                  * the overload.
307                  */
308                 if (i == MAX_FIBRE_DEVICES)
309                         rval = QLA_FUNCTION_FAILED;
310         }
311
312         return (rval);
313 }
314
315 /**
316  * qla2x00_gpn_id() - SNS Get Port Name (GPN_ID) query.
317  * @ha: HA context
318  * @list: switch info entries to populate
319  *
320  * Returns 0 on success.
321  */
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,
475             RFT_ID_RSP_SIZE);
476
477         /* Prepare CT request */
478         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFT_ID_CMD,
479             RFT_ID_RSP_SIZE);
480         ct_rsp = &ha->ct_sns->p.rsp;
481
482         /* Prepare CT arguments -- port_id, FC-4 types */
483         ct_req->req.rft_id.port_id[0] = ha->d_id.b.domain;
484         ct_req->req.rft_id.port_id[1] = ha->d_id.b.area;
485         ct_req->req.rft_id.port_id[2] = ha->d_id.b.al_pa;
486
487         ct_req->req.rft_id.fc4_types[2] = 0x01;         /* FCP-3 */
488
489         /* Execute MS IOCB */
490         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
491             sizeof(ms_iocb_entry_t));
492         if (rval != QLA_SUCCESS) {
493                 /*EMPTY*/
494                 DEBUG2_3(printk("scsi(%ld): RFT_ID issue IOCB failed (%d).\n",
495                     ha->host_no, rval));
496         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RFT_ID") !=
497             QLA_SUCCESS) {
498                 rval = QLA_FUNCTION_FAILED;
499         } else {
500                 DEBUG2(printk("scsi(%ld): RFT_ID exiting normally.\n",
501                     ha->host_no));
502         }
503
504         return (rval);
505 }
506
507 /**
508  * qla2x00_rff_id() - SNS Register FC-4 Features (RFF_ID) supported by the HBA.
509  * @ha: HA context
510  *
511  * Returns 0 on success.
512  */
513 int
514 qla2x00_rff_id(scsi_qla_host_t *ha)
515 {
516         int             rval;
517
518         ms_iocb_entry_t *ms_pkt;
519         struct ct_sns_req       *ct_req;
520         struct ct_sns_rsp       *ct_rsp;
521
522         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
523                 DEBUG2(printk("scsi(%ld): RFF_ID call unsupported on "
524                     "ISP2100/ISP2200.\n", ha->host_no));
525                 return (QLA_SUCCESS);
526         }
527
528         /* Issue RFF_ID */
529         /* Prepare common MS IOCB */
530         ms_pkt = ha->isp_ops->prep_ms_iocb(ha, RFF_ID_REQ_SIZE,
531             RFF_ID_RSP_SIZE);
532
533         /* Prepare CT request */
534         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFF_ID_CMD,
535             RFF_ID_RSP_SIZE);
536         ct_rsp = &ha->ct_sns->p.rsp;
537
538         /* Prepare CT arguments -- port_id, FC-4 feature, FC-4 type */
539         ct_req->req.rff_id.port_id[0] = ha->d_id.b.domain;
540         ct_req->req.rff_id.port_id[1] = ha->d_id.b.area;
541         ct_req->req.rff_id.port_id[2] = ha->d_id.b.al_pa;
542
543         ct_req->req.rff_id.fc4_feature = BIT_1;
544         ct_req->req.rff_id.fc4_type = 0x08;             /* SCSI - FCP */
545
546         /* Execute MS IOCB */
547         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
548             sizeof(ms_iocb_entry_t));
549         if (rval != QLA_SUCCESS) {
550                 /*EMPTY*/
551                 DEBUG2_3(printk("scsi(%ld): RFF_ID issue IOCB failed (%d).\n",
552                     ha->host_no, rval));
553         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RFF_ID") !=
554             QLA_SUCCESS) {
555                 rval = QLA_FUNCTION_FAILED;
556         } else {
557                 DEBUG2(printk("scsi(%ld): RFF_ID exiting normally.\n",
558                     ha->host_no));
559         }
560
561         return (rval);
562 }
563
564 /**
565  * qla2x00_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
566  * @ha: HA context
567  *
568  * Returns 0 on success.
569  */
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,
586             RNN_ID_RSP_SIZE);
587
588         /* Prepare CT request */
589         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RNN_ID_CMD,
590             RNN_ID_RSP_SIZE);
591         ct_rsp = &ha->ct_sns->p.rsp;
592
593         /* Prepare CT arguments -- port_id, node_name */
594         ct_req->req.rnn_id.port_id[0] = ha->d_id.b.domain;
595         ct_req->req.rnn_id.port_id[1] = ha->d_id.b.area;
596         ct_req->req.rnn_id.port_id[2] = ha->d_id.b.al_pa;
597
598         memcpy(ct_req->req.rnn_id.node_name, ha->node_name, WWN_SIZE);
599
600         /* Execute MS IOCB */
601         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
602             sizeof(ms_iocb_entry_t));
603         if (rval != QLA_SUCCESS) {
604                 /*EMPTY*/
605                 DEBUG2_3(printk("scsi(%ld): RNN_ID issue IOCB failed (%d).\n",
606                     ha->host_no, rval));
607         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RNN_ID") !=
608             QLA_SUCCESS) {
609                 rval = QLA_FUNCTION_FAILED;
610         } else {
611                 DEBUG2(printk("scsi(%ld): RNN_ID exiting normally.\n",
612                     ha->host_no));
613         }
614
615         return (rval);
616 }
617
618 void
619 qla2x00_get_sym_node_name(scsi_qla_host_t *ha, uint8_t *snn)
620 {
621         sprintf(snn, "%s FW:v%d.%02d.%02d DVR:v%s",ha->model_number,
622             ha->fw_major_version, ha->fw_minor_version,
623             ha->fw_subminor_version, qla2x00_version_str);
624 }
625
626 /**
627  * qla2x00_rsnn_nn() - SNS Register Symbolic Node Name (RSNN_NN) of the HBA.
628  * @ha: HA context
629  *
630  * Returns 0 on success.
631  */
632 int
633 qla2x00_rsnn_nn(scsi_qla_host_t *ha)
634 {
635         int             rval;
636         ms_iocb_entry_t *ms_pkt;
637         struct ct_sns_req       *ct_req;
638         struct ct_sns_rsp       *ct_rsp;
639
640         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
641                 DEBUG2(printk("scsi(%ld): RSNN_ID call unsupported on "
642                     "ISP2100/ISP2200.\n", ha->host_no));
643                 return (QLA_SUCCESS);
644         }
645
646         /* Issue RSNN_NN */
647         /* Prepare common MS IOCB */
648         /*   Request size adjusted after CT preparation */
649         ms_pkt = ha->isp_ops->prep_ms_iocb(ha, 0, RSNN_NN_RSP_SIZE);
650
651         /* Prepare CT request */
652         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RSNN_NN_CMD,
653             RSNN_NN_RSP_SIZE);
654         ct_rsp = &ha->ct_sns->p.rsp;
655
656         /* Prepare CT arguments -- node_name, symbolic node_name, size */
657         memcpy(ct_req->req.rsnn_nn.node_name, ha->node_name, WWN_SIZE);
658
659         /* Prepare the Symbolic Node Name */
660         qla2x00_get_sym_node_name(ha, ct_req->req.rsnn_nn.sym_node_name);
661
662         /* Calculate SNN length */
663         ct_req->req.rsnn_nn.name_len =
664             (uint8_t)strlen(ct_req->req.rsnn_nn.sym_node_name);
665
666         /* Update MS IOCB request */
667         ms_pkt->req_bytecount =
668             cpu_to_le32(24 + 1 + ct_req->req.rsnn_nn.name_len);
669         ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
670
671         /* Execute MS IOCB */
672         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
673             sizeof(ms_iocb_entry_t));
674         if (rval != QLA_SUCCESS) {
675                 /*EMPTY*/
676                 DEBUG2_3(printk("scsi(%ld): RSNN_NN issue IOCB failed (%d).\n",
677                     ha->host_no, rval));
678         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RSNN_NN") !=
679             QLA_SUCCESS) {
680                 rval = QLA_FUNCTION_FAILED;
681         } else {
682                 DEBUG2(printk("scsi(%ld): RSNN_NN exiting normally.\n",
683                     ha->host_no));
684         }
685
686         return (rval);
687 }
688
689 /**
690  * qla2x00_prep_sns_cmd() - Prepare common SNS command request fields for query.
691  * @ha: HA context
692  * @cmd: GS command
693  * @scmd_len: Subcommand length
694  * @data_size: response size in bytes
695  *
696  * Returns a pointer to the @ha's sns_cmd.
697  */
698 static inline struct sns_cmd_pkt *
699 qla2x00_prep_sns_cmd(scsi_qla_host_t *ha, uint16_t cmd, uint16_t scmd_len,
700     uint16_t data_size)
701 {
702         uint16_t                wc;
703         struct sns_cmd_pkt      *sns_cmd;
704
705         sns_cmd = ha->sns_cmd;
706         memset(sns_cmd, 0, sizeof(struct sns_cmd_pkt));
707         wc = data_size / 2;                     /* Size in 16bit words. */
708         sns_cmd->p.cmd.buffer_length = cpu_to_le16(wc);
709         sns_cmd->p.cmd.buffer_address[0] = cpu_to_le32(LSD(ha->sns_cmd_dma));
710         sns_cmd->p.cmd.buffer_address[1] = cpu_to_le32(MSD(ha->sns_cmd_dma));
711         sns_cmd->p.cmd.subcommand_length = cpu_to_le16(scmd_len);
712         sns_cmd->p.cmd.subcommand = cpu_to_le16(cmd);
713         wc = (data_size - 16) / 4;              /* Size in 32bit words. */
714         sns_cmd->p.cmd.size = cpu_to_le16(wc);
715
716         return (sns_cmd);
717 }
718
719 /**
720  * qla2x00_sns_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
721  * @ha: HA context
722  * @fcport: fcport entry to updated
723  *
724  * This command uses the old Exectute SNS Command mailbox routine.
725  *
726  * Returns 0 on success.
727  */
728 static int
729 qla2x00_sns_ga_nxt(scsi_qla_host_t *ha, fc_port_t *fcport)
730 {
731         int             rval;
732
733         struct sns_cmd_pkt      *sns_cmd;
734
735         /* Issue GA_NXT. */
736         /* Prepare SNS command request. */
737         sns_cmd = qla2x00_prep_sns_cmd(ha, GA_NXT_CMD, GA_NXT_SNS_SCMD_LEN,
738             GA_NXT_SNS_DATA_SIZE);
739
740         /* Prepare SNS command arguments -- port_id. */
741         sns_cmd->p.cmd.param[0] = fcport->d_id.b.al_pa;
742         sns_cmd->p.cmd.param[1] = fcport->d_id.b.area;
743         sns_cmd->p.cmd.param[2] = fcport->d_id.b.domain;
744
745         /* Execute SNS command. */
746         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, GA_NXT_SNS_CMD_SIZE / 2,
747             sizeof(struct sns_cmd_pkt));
748         if (rval != QLA_SUCCESS) {
749                 /*EMPTY*/
750                 DEBUG2_3(printk("scsi(%ld): GA_NXT Send SNS failed (%d).\n",
751                     ha->host_no, rval));
752         } else if (sns_cmd->p.gan_data[8] != 0x80 ||
753             sns_cmd->p.gan_data[9] != 0x02) {
754                 DEBUG2_3(printk("scsi(%ld): GA_NXT failed, rejected request, "
755                     "ga_nxt_rsp:\n", ha->host_no));
756                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gan_data, 16));
757                 rval = QLA_FUNCTION_FAILED;
758         } else {
759                 /* Populate fc_port_t entry. */
760                 fcport->d_id.b.domain = sns_cmd->p.gan_data[17];
761                 fcport->d_id.b.area = sns_cmd->p.gan_data[18];
762                 fcport->d_id.b.al_pa = sns_cmd->p.gan_data[19];
763
764                 memcpy(fcport->node_name, &sns_cmd->p.gan_data[284], WWN_SIZE);
765                 memcpy(fcport->port_name, &sns_cmd->p.gan_data[20], WWN_SIZE);
766
767                 if (sns_cmd->p.gan_data[16] != NS_N_PORT_TYPE &&
768                     sns_cmd->p.gan_data[16] != NS_NL_PORT_TYPE)
769                         fcport->d_id.b.domain = 0xf0;
770
771                 DEBUG2_3(printk("scsi(%ld): GA_NXT entry - "
772                     "nn %02x%02x%02x%02x%02x%02x%02x%02x "
773                     "pn %02x%02x%02x%02x%02x%02x%02x%02x "
774                     "portid=%02x%02x%02x.\n",
775                     ha->host_no,
776                     fcport->node_name[0], fcport->node_name[1],
777                     fcport->node_name[2], fcport->node_name[3],
778                     fcport->node_name[4], fcport->node_name[5],
779                     fcport->node_name[6], fcport->node_name[7],
780                     fcport->port_name[0], fcport->port_name[1],
781                     fcport->port_name[2], fcport->port_name[3],
782                     fcport->port_name[4], fcport->port_name[5],
783                     fcport->port_name[6], fcport->port_name[7],
784                     fcport->d_id.b.domain, fcport->d_id.b.area,
785                     fcport->d_id.b.al_pa));
786         }
787
788         return (rval);
789 }
790
791 /**
792  * qla2x00_sns_gid_pt() - SNS scan for fabric devices via GID_PT command.
793  * @ha: HA context
794  * @list: switch info entries to populate
795  *
796  * This command uses the old Exectute SNS Command mailbox routine.
797  *
798  * NOTE: Non-Nx_Ports are not requested.
799  *
800  * Returns 0 on success.
801  */
802 static int
803 qla2x00_sns_gid_pt(scsi_qla_host_t *ha, sw_info_t *list)
804 {
805         int             rval;
806
807         uint16_t        i;
808         uint8_t         *entry;
809         struct sns_cmd_pkt      *sns_cmd;
810
811         /* Issue GID_PT. */
812         /* Prepare SNS command request. */
813         sns_cmd = qla2x00_prep_sns_cmd(ha, GID_PT_CMD, GID_PT_SNS_SCMD_LEN,
814             GID_PT_SNS_DATA_SIZE);
815
816         /* Prepare SNS command arguments -- port_type. */
817         sns_cmd->p.cmd.param[0] = NS_NX_PORT_TYPE;
818
819         /* Execute SNS command. */
820         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, GID_PT_SNS_CMD_SIZE / 2,
821             sizeof(struct sns_cmd_pkt));
822         if (rval != QLA_SUCCESS) {
823                 /*EMPTY*/
824                 DEBUG2_3(printk("scsi(%ld): GID_PT Send SNS failed (%d).\n",
825                     ha->host_no, rval));
826         } else if (sns_cmd->p.gid_data[8] != 0x80 ||
827             sns_cmd->p.gid_data[9] != 0x02) {
828                 DEBUG2_3(printk("scsi(%ld): GID_PT failed, rejected request, "
829                     "gid_rsp:\n", ha->host_no));
830                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gid_data, 16));
831                 rval = QLA_FUNCTION_FAILED;
832         } else {
833                 /* Set port IDs in switch info list. */
834                 for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
835                         entry = &sns_cmd->p.gid_data[(i * 4) + 16];
836                         list[i].d_id.b.domain = entry[1];
837                         list[i].d_id.b.area = entry[2];
838                         list[i].d_id.b.al_pa = entry[3];
839
840                         /* Last one exit. */
841                         if (entry[0] & BIT_7) {
842                                 list[i].d_id.b.rsvd_1 = entry[0];
843                                 break;
844                         }
845                 }
846
847                 /*
848                  * If we've used all available slots, then the switch is
849                  * reporting back more devices that we can handle with this
850                  * single call.  Return a failed status, and let GA_NXT handle
851                  * the overload.
852                  */
853                 if (i == MAX_FIBRE_DEVICES)
854                         rval = QLA_FUNCTION_FAILED;
855         }
856
857         return (rval);
858 }
859
860 /**
861  * qla2x00_sns_gpn_id() - SNS Get Port Name (GPN_ID) query.
862  * @ha: HA context
863  * @list: switch info entries to populate
864  *
865  * This command uses the old Exectute SNS Command mailbox routine.
866  *
867  * Returns 0 on success.
868  */
869 static int
870 qla2x00_sns_gpn_id(scsi_qla_host_t *ha, sw_info_t *list)
871 {
872         int             rval;
873
874         uint16_t        i;
875         struct sns_cmd_pkt      *sns_cmd;
876
877         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
878                 /* Issue GPN_ID */
879                 /* Prepare SNS command request. */
880                 sns_cmd = qla2x00_prep_sns_cmd(ha, GPN_ID_CMD,
881                     GPN_ID_SNS_SCMD_LEN, GPN_ID_SNS_DATA_SIZE);
882
883                 /* Prepare SNS command arguments -- port_id. */
884                 sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
885                 sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
886                 sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
887
888                 /* Execute SNS command. */
889                 rval = qla2x00_send_sns(ha, ha->sns_cmd_dma,
890                     GPN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
891                 if (rval != QLA_SUCCESS) {
892                         /*EMPTY*/
893                         DEBUG2_3(printk("scsi(%ld): GPN_ID Send SNS failed "
894                             "(%d).\n", ha->host_no, rval));
895                 } else if (sns_cmd->p.gpn_data[8] != 0x80 ||
896                     sns_cmd->p.gpn_data[9] != 0x02) {
897                         DEBUG2_3(printk("scsi(%ld): GPN_ID failed, rejected "
898                             "request, gpn_rsp:\n", ha->host_no));
899                         DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gpn_data, 16));
900                         rval = QLA_FUNCTION_FAILED;
901                 } else {
902                         /* Save portname */
903                         memcpy(list[i].port_name, &sns_cmd->p.gpn_data[16],
904                             WWN_SIZE);
905                 }
906
907                 /* Last device exit. */
908                 if (list[i].d_id.b.rsvd_1 != 0)
909                         break;
910         }
911
912         return (rval);
913 }
914
915 /**
916  * qla2x00_sns_gnn_id() - SNS Get Node Name (GNN_ID) query.
917  * @ha: HA context
918  * @list: switch info entries to populate
919  *
920  * This command uses the old Exectute SNS Command mailbox routine.
921  *
922  * Returns 0 on success.
923  */
924 static int
925 qla2x00_sns_gnn_id(scsi_qla_host_t *ha, sw_info_t *list)
926 {
927         int             rval;
928
929         uint16_t        i;
930         struct sns_cmd_pkt      *sns_cmd;
931
932         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
933                 /* Issue GNN_ID */
934                 /* Prepare SNS command request. */
935                 sns_cmd = qla2x00_prep_sns_cmd(ha, GNN_ID_CMD,
936                     GNN_ID_SNS_SCMD_LEN, GNN_ID_SNS_DATA_SIZE);
937
938                 /* Prepare SNS command arguments -- port_id. */
939                 sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
940                 sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
941                 sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
942
943                 /* Execute SNS command. */
944                 rval = qla2x00_send_sns(ha, ha->sns_cmd_dma,
945                     GNN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
946                 if (rval != QLA_SUCCESS) {
947                         /*EMPTY*/
948                         DEBUG2_3(printk("scsi(%ld): GNN_ID Send SNS failed "
949                             "(%d).\n", ha->host_no, rval));
950                 } else if (sns_cmd->p.gnn_data[8] != 0x80 ||
951                     sns_cmd->p.gnn_data[9] != 0x02) {
952                         DEBUG2_3(printk("scsi(%ld): GNN_ID failed, rejected "
953                             "request, gnn_rsp:\n", ha->host_no));
954                         DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gnn_data, 16));
955                         rval = QLA_FUNCTION_FAILED;
956                 } else {
957                         /* Save nodename */
958                         memcpy(list[i].node_name, &sns_cmd->p.gnn_data[16],
959                             WWN_SIZE);
960
961                         DEBUG2_3(printk("scsi(%ld): GID_PT entry - "
962                             "nn %02x%02x%02x%02x%02x%02x%02x%02x "
963                             "pn %02x%02x%02x%02x%02x%02x%02x%02x "
964                             "portid=%02x%02x%02x.\n",
965                             ha->host_no,
966                             list[i].node_name[0], list[i].node_name[1],
967                             list[i].node_name[2], list[i].node_name[3],
968                             list[i].node_name[4], list[i].node_name[5],
969                             list[i].node_name[6], list[i].node_name[7],
970                             list[i].port_name[0], list[i].port_name[1],
971                             list[i].port_name[2], list[i].port_name[3],
972                             list[i].port_name[4], list[i].port_name[5],
973                             list[i].port_name[6], list[i].port_name[7],
974                             list[i].d_id.b.domain, list[i].d_id.b.area,
975                             list[i].d_id.b.al_pa));
976                 }
977
978                 /* Last device exit. */
979                 if (list[i].d_id.b.rsvd_1 != 0)
980                         break;
981         }
982
983         return (rval);
984 }
985
986 /**
987  * qla2x00_snd_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
988  * @ha: HA context
989  *
990  * This command uses the old Exectute SNS Command mailbox routine.
991  *
992  * Returns 0 on success.
993  */
994 static int
995 qla2x00_sns_rft_id(scsi_qla_host_t *ha)
996 {
997         int             rval;
998
999         struct sns_cmd_pkt      *sns_cmd;
1000
1001         /* Issue RFT_ID. */
1002         /* Prepare SNS command request. */
1003         sns_cmd = qla2x00_prep_sns_cmd(ha, RFT_ID_CMD, RFT_ID_SNS_SCMD_LEN,
1004             RFT_ID_SNS_DATA_SIZE);
1005
1006         /* Prepare SNS command arguments -- port_id, FC-4 types */
1007         sns_cmd->p.cmd.param[0] = ha->d_id.b.al_pa;
1008         sns_cmd->p.cmd.param[1] = ha->d_id.b.area;
1009         sns_cmd->p.cmd.param[2] = ha->d_id.b.domain;
1010
1011         sns_cmd->p.cmd.param[5] = 0x01;                 /* FCP-3 */
1012
1013         /* Execute SNS command. */
1014         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, RFT_ID_SNS_CMD_SIZE / 2,
1015             sizeof(struct sns_cmd_pkt));
1016         if (rval != QLA_SUCCESS) {
1017                 /*EMPTY*/
1018                 DEBUG2_3(printk("scsi(%ld): RFT_ID Send SNS failed (%d).\n",
1019                     ha->host_no, rval));
1020         } else if (sns_cmd->p.rft_data[8] != 0x80 ||
1021             sns_cmd->p.rft_data[9] != 0x02) {
1022                 DEBUG2_3(printk("scsi(%ld): RFT_ID failed, rejected request, "
1023                     "rft_rsp:\n", ha->host_no));
1024                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.rft_data, 16));
1025                 rval = QLA_FUNCTION_FAILED;
1026         } else {
1027                 DEBUG2(printk("scsi(%ld): RFT_ID exiting normally.\n",
1028                     ha->host_no));
1029         }
1030
1031         return (rval);
1032 }
1033
1034 /**
1035  * qla2x00_sns_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
1036  * HBA.
1037  * @ha: HA context
1038  *
1039  * This command uses the old Exectute SNS Command mailbox routine.
1040  *
1041  * Returns 0 on success.
1042  */
1043 static int
1044 qla2x00_sns_rnn_id(scsi_qla_host_t *ha)
1045 {
1046         int             rval;
1047
1048         struct sns_cmd_pkt      *sns_cmd;
1049
1050         /* Issue RNN_ID. */
1051         /* Prepare SNS command request. */
1052         sns_cmd = qla2x00_prep_sns_cmd(ha, RNN_ID_CMD, RNN_ID_SNS_SCMD_LEN,
1053             RNN_ID_SNS_DATA_SIZE);
1054
1055         /* Prepare SNS command arguments -- port_id, nodename. */
1056         sns_cmd->p.cmd.param[0] = ha->d_id.b.al_pa;
1057         sns_cmd->p.cmd.param[1] = ha->d_id.b.area;
1058         sns_cmd->p.cmd.param[2] = ha->d_id.b.domain;
1059
1060         sns_cmd->p.cmd.param[4] = ha->node_name[7];
1061         sns_cmd->p.cmd.param[5] = ha->node_name[6];
1062         sns_cmd->p.cmd.param[6] = ha->node_name[5];
1063         sns_cmd->p.cmd.param[7] = ha->node_name[4];
1064         sns_cmd->p.cmd.param[8] = ha->node_name[3];
1065         sns_cmd->p.cmd.param[9] = ha->node_name[2];
1066         sns_cmd->p.cmd.param[10] = ha->node_name[1];
1067         sns_cmd->p.cmd.param[11] = ha->node_name[0];
1068
1069         /* Execute SNS command. */
1070         rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, RNN_ID_SNS_CMD_SIZE / 2,
1071             sizeof(struct sns_cmd_pkt));
1072         if (rval != QLA_SUCCESS) {
1073                 /*EMPTY*/
1074                 DEBUG2_3(printk("scsi(%ld): RNN_ID Send SNS failed (%d).\n",
1075                     ha->host_no, rval));
1076         } else if (sns_cmd->p.rnn_data[8] != 0x80 ||
1077             sns_cmd->p.rnn_data[9] != 0x02) {
1078                 DEBUG2_3(printk("scsi(%ld): RNN_ID failed, rejected request, "
1079                     "rnn_rsp:\n", ha->host_no));
1080                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.rnn_data, 16));
1081                 rval = QLA_FUNCTION_FAILED;
1082         } else {
1083                 DEBUG2(printk("scsi(%ld): RNN_ID exiting normally.\n",
1084                     ha->host_no));
1085         }
1086
1087         return (rval);
1088 }
1089
1090 /**
1091  * qla2x00_mgmt_svr_login() - Login to fabric Management Service.
1092  * @ha: HA context
1093  *
1094  * Returns 0 on success.
1095  */
1096 static int
1097 qla2x00_mgmt_svr_login(scsi_qla_host_t *ha)
1098 {
1099         int ret;
1100         uint16_t mb[MAILBOX_REGISTER_COUNT];
1101
1102         ret = QLA_SUCCESS;
1103         if (ha->flags.management_server_logged_in)
1104                 return ret;
1105
1106         ha->isp_ops->fabric_login(ha, ha->mgmt_svr_loop_id, 0xff, 0xff, 0xfa,
1107             mb, BIT_1);
1108         if (mb[0] != MBS_COMMAND_COMPLETE) {
1109                 DEBUG2_13(printk("%s(%ld): Failed MANAGEMENT_SERVER login: "
1110                     "loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x\n",
1111                     __func__, ha->host_no, ha->mgmt_svr_loop_id, mb[0], mb[1],
1112                     mb[2], mb[6], mb[7]));
1113                 ret = QLA_FUNCTION_FAILED;
1114         } else
1115                 ha->flags.management_server_logged_in = 1;
1116
1117         return ret;
1118 }
1119
1120 /**
1121  * qla2x00_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
1122  * @ha: HA context
1123  * @req_size: request size in bytes
1124  * @rsp_size: response size in bytes
1125  *
1126  * Returns a pointer to the @ha's ms_iocb.
1127  */
1128 void *
1129 qla2x00_prep_ms_fdmi_iocb(scsi_qla_host_t *ha, uint32_t req_size,
1130     uint32_t rsp_size)
1131 {
1132         ms_iocb_entry_t *ms_pkt;
1133
1134         ms_pkt = ha->ms_iocb;
1135         memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
1136
1137         ms_pkt->entry_type = MS_IOCB_TYPE;
1138         ms_pkt->entry_count = 1;
1139         SET_TARGET_ID(ha, ms_pkt->loop_id, ha->mgmt_svr_loop_id);
1140         ms_pkt->control_flags = __constant_cpu_to_le16(CF_READ | CF_HEAD_TAG);
1141         ms_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1142         ms_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
1143         ms_pkt->total_dsd_count = __constant_cpu_to_le16(2);
1144         ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
1145         ms_pkt->req_bytecount = cpu_to_le32(req_size);
1146
1147         ms_pkt->dseg_req_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1148         ms_pkt->dseg_req_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1149         ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
1150
1151         ms_pkt->dseg_rsp_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1152         ms_pkt->dseg_rsp_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1153         ms_pkt->dseg_rsp_length = ms_pkt->rsp_bytecount;
1154
1155         return ms_pkt;
1156 }
1157
1158 /**
1159  * qla24xx_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
1160  * @ha: HA context
1161  * @req_size: request size in bytes
1162  * @rsp_size: response size in bytes
1163  *
1164  * Returns a pointer to the @ha's ms_iocb.
1165  */
1166 void *
1167 qla24xx_prep_ms_fdmi_iocb(scsi_qla_host_t *ha, uint32_t req_size,
1168     uint32_t rsp_size)
1169 {
1170         struct ct_entry_24xx *ct_pkt;
1171
1172         ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1173         memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
1174
1175         ct_pkt->entry_type = CT_IOCB_TYPE;
1176         ct_pkt->entry_count = 1;
1177         ct_pkt->nport_handle = cpu_to_le16(ha->mgmt_svr_loop_id);
1178         ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1179         ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
1180         ct_pkt->rsp_dsd_count = __constant_cpu_to_le16(1);
1181         ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
1182         ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1183
1184         ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1185         ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1186         ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
1187
1188         ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1189         ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1190         ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
1191         ct_pkt->vp_index = ha->vp_idx;
1192
1193         return ct_pkt;
1194 }
1195
1196 static inline ms_iocb_entry_t *
1197 qla2x00_update_ms_fdmi_iocb(scsi_qla_host_t *ha, uint32_t req_size)
1198 {
1199         ms_iocb_entry_t *ms_pkt = ha->ms_iocb;
1200         struct ct_entry_24xx *ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1201
1202         if (IS_FWI2_CAPABLE(ha)) {
1203                 ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1204                 ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
1205         } else {
1206                 ms_pkt->req_bytecount = cpu_to_le32(req_size);
1207                 ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
1208         }
1209
1210         return ms_pkt;
1211 }
1212
1213 /**
1214  * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
1215  * @ct_req: CT request buffer
1216  * @cmd: GS command
1217  * @rsp_size: response size in bytes
1218  *
1219  * Returns a pointer to the intitialized @ct_req.
1220  */
1221 static inline struct ct_sns_req *
1222 qla2x00_prep_ct_fdmi_req(struct ct_sns_req *ct_req, uint16_t cmd,
1223     uint16_t rsp_size)
1224 {
1225         memset(ct_req, 0, sizeof(struct ct_sns_pkt));
1226
1227         ct_req->header.revision = 0x01;
1228         ct_req->header.gs_type = 0xFA;
1229         ct_req->header.gs_subtype = 0x10;
1230         ct_req->command = cpu_to_be16(cmd);
1231         ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
1232
1233         return ct_req;
1234 }
1235
1236 /**
1237  * qla2x00_fdmi_rhba() -
1238  * @ha: HA context
1239  *
1240  * Returns 0 on success.
1241  */
1242 static int
1243 qla2x00_fdmi_rhba(scsi_qla_host_t *ha)
1244 {
1245         int rval, alen;
1246         uint32_t size, sn;
1247
1248         ms_iocb_entry_t *ms_pkt;
1249         struct ct_sns_req *ct_req;
1250         struct ct_sns_rsp *ct_rsp;
1251         uint8_t *entries;
1252         struct ct_fdmi_hba_attr *eiter;
1253
1254         /* Issue RHBA */
1255         /* Prepare common MS IOCB */
1256         /*   Request size adjusted after CT preparation */
1257         ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(ha, 0, RHBA_RSP_SIZE);
1258
1259         /* Prepare CT request */
1260         ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, RHBA_CMD,
1261             RHBA_RSP_SIZE);
1262         ct_rsp = &ha->ct_sns->p.rsp;
1263
1264         /* Prepare FDMI command arguments -- attribute block, attributes. */
1265         memcpy(ct_req->req.rhba.hba_identifier, ha->port_name, WWN_SIZE);
1266         ct_req->req.rhba.entry_count = __constant_cpu_to_be32(1);
1267         memcpy(ct_req->req.rhba.port_name, ha->port_name, WWN_SIZE);
1268         size = 2 * WWN_SIZE + 4 + 4;
1269
1270         /* Attributes */
1271         ct_req->req.rhba.attrs.count =
1272             __constant_cpu_to_be32(FDMI_HBA_ATTR_COUNT);
1273         entries = ct_req->req.rhba.hba_identifier;
1274
1275         /* Nodename. */
1276         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1277         eiter->type = __constant_cpu_to_be16(FDMI_HBA_NODE_NAME);
1278         eiter->len = __constant_cpu_to_be16(4 + WWN_SIZE);
1279         memcpy(eiter->a.node_name, ha->node_name, WWN_SIZE);
1280         size += 4 + WWN_SIZE;
1281
1282         DEBUG13(printk("%s(%ld): NODENAME=%02x%02x%02x%02x%02x%02x%02x%02x.\n",
1283             __func__, ha->host_no,
1284             eiter->a.node_name[0], eiter->a.node_name[1], eiter->a.node_name[2],
1285             eiter->a.node_name[3], eiter->a.node_name[4], eiter->a.node_name[5],
1286             eiter->a.node_name[6], eiter->a.node_name[7]));
1287
1288         /* Manufacturer. */
1289         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1290         eiter->type = __constant_cpu_to_be16(FDMI_HBA_MANUFACTURER);
1291         strcpy(eiter->a.manufacturer, "QLogic Corporation");
1292         alen = strlen(eiter->a.manufacturer);
1293         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1294         eiter->len = cpu_to_be16(4 + alen);
1295         size += 4 + alen;
1296
1297         DEBUG13(printk("%s(%ld): MANUFACTURER=%s.\n", __func__, ha->host_no,
1298             eiter->a.manufacturer));
1299
1300         /* Serial number. */
1301         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1302         eiter->type = __constant_cpu_to_be16(FDMI_HBA_SERIAL_NUMBER);
1303         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
1304         sprintf(eiter->a.serial_num, "%c%05d", 'A' + sn / 100000, sn % 100000);
1305         alen = strlen(eiter->a.serial_num);
1306         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1307         eiter->len = cpu_to_be16(4 + alen);
1308         size += 4 + alen;
1309
1310         DEBUG13(printk("%s(%ld): SERIALNO=%s.\n", __func__, ha->host_no,
1311             eiter->a.serial_num));
1312
1313         /* Model name. */
1314         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1315         eiter->type = __constant_cpu_to_be16(FDMI_HBA_MODEL);
1316         strcpy(eiter->a.model, ha->model_number);
1317         alen = strlen(eiter->a.model);
1318         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1319         eiter->len = cpu_to_be16(4 + alen);
1320         size += 4 + alen;
1321
1322         DEBUG13(printk("%s(%ld): MODEL_NAME=%s.\n", __func__, ha->host_no,
1323             eiter->a.model));
1324
1325         /* Model description. */
1326         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1327         eiter->type = __constant_cpu_to_be16(FDMI_HBA_MODEL_DESCRIPTION);
1328         if (ha->model_desc)
1329                 strncpy(eiter->a.model_desc, ha->model_desc, 80);
1330         alen = strlen(eiter->a.model_desc);
1331         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1332         eiter->len = cpu_to_be16(4 + alen);
1333         size += 4 + alen;
1334
1335         DEBUG13(printk("%s(%ld): MODEL_DESC=%s.\n", __func__, ha->host_no,
1336             eiter->a.model_desc));
1337
1338         /* Hardware version. */
1339         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1340         eiter->type = __constant_cpu_to_be16(FDMI_HBA_HARDWARE_VERSION);
1341         strcpy(eiter->a.hw_version, ha->adapter_id);
1342         alen = strlen(eiter->a.hw_version);
1343         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1344         eiter->len = cpu_to_be16(4 + alen);
1345         size += 4 + alen;
1346
1347         DEBUG13(printk("%s(%ld): HARDWAREVER=%s.\n", __func__, ha->host_no,
1348             eiter->a.hw_version));
1349
1350         /* Driver version. */
1351         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1352         eiter->type = __constant_cpu_to_be16(FDMI_HBA_DRIVER_VERSION);
1353         strcpy(eiter->a.driver_version, qla2x00_version_str);
1354         alen = strlen(eiter->a.driver_version);
1355         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1356         eiter->len = cpu_to_be16(4 + alen);
1357         size += 4 + alen;
1358
1359         DEBUG13(printk("%s(%ld): DRIVERVER=%s.\n", __func__, ha->host_no,
1360             eiter->a.driver_version));
1361
1362         /* Option ROM version. */
1363         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1364         eiter->type = __constant_cpu_to_be16(FDMI_HBA_OPTION_ROM_VERSION);
1365         strcpy(eiter->a.orom_version, "0.00");
1366         alen = strlen(eiter->a.orom_version);
1367         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1368         eiter->len = cpu_to_be16(4 + alen);
1369         size += 4 + alen;
1370
1371         DEBUG13(printk("%s(%ld): OPTROMVER=%s.\n", __func__, ha->host_no,
1372             eiter->a.orom_version));
1373
1374         /* Firmware version */
1375         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1376         eiter->type = __constant_cpu_to_be16(FDMI_HBA_FIRMWARE_VERSION);
1377         ha->isp_ops->fw_version_str(ha, eiter->a.fw_version);
1378         alen = strlen(eiter->a.fw_version);
1379         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1380         eiter->len = cpu_to_be16(4 + alen);
1381         size += 4 + alen;
1382
1383         DEBUG13(printk("%s(%ld): FIRMWAREVER=%s.\n", __func__, ha->host_no,
1384             eiter->a.fw_version));
1385
1386         /* Update MS request size. */
1387         qla2x00_update_ms_fdmi_iocb(ha, size + 16);
1388
1389         DEBUG13(printk("%s(%ld): RHBA identifier="
1390             "%02x%02x%02x%02x%02x%02x%02x%02x size=%d.\n", __func__,
1391             ha->host_no, ct_req->req.rhba.hba_identifier[0],
1392             ct_req->req.rhba.hba_identifier[1],
1393             ct_req->req.rhba.hba_identifier[2],
1394             ct_req->req.rhba.hba_identifier[3],
1395             ct_req->req.rhba.hba_identifier[4],
1396             ct_req->req.rhba.hba_identifier[5],
1397             ct_req->req.rhba.hba_identifier[6],
1398             ct_req->req.rhba.hba_identifier[7], size));
1399         DEBUG13(qla2x00_dump_buffer(entries, size));
1400
1401         /* Execute MS IOCB */
1402         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1403             sizeof(ms_iocb_entry_t));
1404         if (rval != QLA_SUCCESS) {
1405                 /*EMPTY*/
1406                 DEBUG2_3(printk("scsi(%ld): RHBA issue IOCB failed (%d).\n",
1407                     ha->host_no, rval));
1408         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RHBA") !=
1409             QLA_SUCCESS) {
1410                 rval = QLA_FUNCTION_FAILED;
1411                 if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
1412                     ct_rsp->header.explanation_code ==
1413                     CT_EXPL_ALREADY_REGISTERED) {
1414                         DEBUG2_13(printk("%s(%ld): HBA already registered.\n",
1415                             __func__, ha->host_no));
1416                         rval = QLA_ALREADY_REGISTERED;
1417                 }
1418         } else {
1419                 DEBUG2(printk("scsi(%ld): RHBA exiting normally.\n",
1420                     ha->host_no));
1421         }
1422
1423         return rval;
1424 }
1425
1426 /**
1427  * qla2x00_fdmi_dhba() -
1428  * @ha: HA context
1429  *
1430  * Returns 0 on success.
1431  */
1432 static int
1433 qla2x00_fdmi_dhba(scsi_qla_host_t *ha)
1434 {
1435         int rval;
1436
1437         ms_iocb_entry_t *ms_pkt;
1438         struct ct_sns_req *ct_req;
1439         struct ct_sns_rsp *ct_rsp;
1440
1441         /* Issue RPA */
1442         /* Prepare common MS IOCB */
1443         ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(ha, DHBA_REQ_SIZE,
1444             DHBA_RSP_SIZE);
1445
1446         /* Prepare CT request */
1447         ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, DHBA_CMD,
1448             DHBA_RSP_SIZE);
1449         ct_rsp = &ha->ct_sns->p.rsp;
1450
1451         /* Prepare FDMI command arguments -- portname. */
1452         memcpy(ct_req->req.dhba.port_name, ha->port_name, WWN_SIZE);
1453
1454         DEBUG13(printk("%s(%ld): DHBA portname="
1455             "%02x%02x%02x%02x%02x%02x%02x%02x.\n", __func__, ha->host_no,
1456             ct_req->req.dhba.port_name[0], ct_req->req.dhba.port_name[1],
1457             ct_req->req.dhba.port_name[2], ct_req->req.dhba.port_name[3],
1458             ct_req->req.dhba.port_name[4], ct_req->req.dhba.port_name[5],
1459             ct_req->req.dhba.port_name[6], ct_req->req.dhba.port_name[7]));
1460
1461         /* Execute MS IOCB */
1462         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1463             sizeof(ms_iocb_entry_t));
1464         if (rval != QLA_SUCCESS) {
1465                 /*EMPTY*/
1466                 DEBUG2_3(printk("scsi(%ld): DHBA issue IOCB failed (%d).\n",
1467                     ha->host_no, rval));
1468         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "DHBA") !=
1469             QLA_SUCCESS) {
1470                 rval = QLA_FUNCTION_FAILED;
1471         } else {
1472                 DEBUG2(printk("scsi(%ld): DHBA exiting normally.\n",
1473                     ha->host_no));
1474         }
1475
1476         return rval;
1477 }
1478
1479 /**
1480  * qla2x00_fdmi_rpa() -
1481  * @ha: HA context
1482  *
1483  * Returns 0 on success.
1484  */
1485 static int
1486 qla2x00_fdmi_rpa(scsi_qla_host_t *ha)
1487 {
1488         int rval, alen;
1489         uint32_t size, max_frame_size;
1490
1491         ms_iocb_entry_t *ms_pkt;
1492         struct ct_sns_req *ct_req;
1493         struct ct_sns_rsp *ct_rsp;
1494         uint8_t *entries;
1495         struct ct_fdmi_port_attr *eiter;
1496         struct init_cb_24xx *icb24 = (struct init_cb_24xx *)ha->init_cb;
1497
1498         /* Issue RPA */
1499         /* Prepare common MS IOCB */
1500         /*   Request size adjusted after CT preparation */
1501         ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(ha, 0, RPA_RSP_SIZE);
1502
1503         /* Prepare CT request */
1504         ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, RPA_CMD,
1505             RPA_RSP_SIZE);
1506         ct_rsp = &ha->ct_sns->p.rsp;
1507
1508         /* Prepare FDMI command arguments -- attribute block, attributes. */
1509         memcpy(ct_req->req.rpa.port_name, ha->port_name, WWN_SIZE);
1510         size = WWN_SIZE + 4;
1511
1512         /* Attributes */
1513         ct_req->req.rpa.attrs.count =
1514             __constant_cpu_to_be32(FDMI_PORT_ATTR_COUNT - 1);
1515         entries = ct_req->req.rpa.port_name;
1516
1517         /* FC4 types. */
1518         eiter = (struct ct_fdmi_port_attr *) (entries + size);
1519         eiter->type = __constant_cpu_to_be16(FDMI_PORT_FC4_TYPES);
1520         eiter->len = __constant_cpu_to_be16(4 + 32);
1521         eiter->a.fc4_types[2] = 0x01;
1522         size += 4 + 32;
1523
1524         DEBUG13(printk("%s(%ld): FC4_TYPES=%02x %02x.\n", __func__, ha->host_no,
1525             eiter->a.fc4_types[2], eiter->a.fc4_types[1]));
1526
1527         /* Supported speed. */
1528         eiter = (struct ct_fdmi_port_attr *) (entries + size);
1529         eiter->type = __constant_cpu_to_be16(FDMI_PORT_SUPPORT_SPEED);
1530         eiter->len = __constant_cpu_to_be16(4 + 4);
1531         if (IS_QLA25XX(ha))
1532                 eiter->a.sup_speed = __constant_cpu_to_be32(
1533                     FDMI_PORT_SPEED_1GB|FDMI_PORT_SPEED_2GB|
1534                     FDMI_PORT_SPEED_4GB|FDMI_PORT_SPEED_8GB);
1535         else if (IS_QLA24XX_TYPE(ha))
1536                 eiter->a.sup_speed = __constant_cpu_to_be32(
1537                     FDMI_PORT_SPEED_1GB|FDMI_PORT_SPEED_2GB|
1538                     FDMI_PORT_SPEED_4GB);
1539         else if (IS_QLA23XX(ha))
1540                 eiter->a.sup_speed =__constant_cpu_to_be32(
1541                     FDMI_PORT_SPEED_1GB|FDMI_PORT_SPEED_2GB);
1542         else
1543                 eiter->a.sup_speed = __constant_cpu_to_be32(
1544                     FDMI_PORT_SPEED_1GB);
1545         size += 4 + 4;
1546
1547         DEBUG13(printk("%s(%ld): SUPPORTED_SPEED=%x.\n", __func__, ha->host_no,
1548             eiter->a.sup_speed));
1549
1550         /* Current speed. */
1551         eiter = (struct ct_fdmi_port_attr *) (entries + size);
1552         eiter->type = __constant_cpu_to_be16(FDMI_PORT_CURRENT_SPEED);
1553         eiter->len = __constant_cpu_to_be16(4 + 4);
1554         switch (ha->link_data_rate) {
1555         case PORT_SPEED_1GB:
1556                 eiter->a.cur_speed =
1557                     __constant_cpu_to_be32(FDMI_PORT_SPEED_1GB);
1558                 break;
1559         case PORT_SPEED_2GB:
1560                 eiter->a.cur_speed =
1561                     __constant_cpu_to_be32(FDMI_PORT_SPEED_2GB);
1562                 break;
1563         case PORT_SPEED_4GB:
1564                 eiter->a.cur_speed =
1565                     __constant_cpu_to_be32(FDMI_PORT_SPEED_4GB);
1566                 break;
1567         case PORT_SPEED_8GB:
1568                 eiter->a.cur_speed =
1569                     __constant_cpu_to_be32(FDMI_PORT_SPEED_8GB);
1570                 break;
1571         default:
1572                 eiter->a.cur_speed =
1573                     __constant_cpu_to_be32(FDMI_PORT_SPEED_UNKNOWN);
1574                 break;
1575         }
1576         size += 4 + 4;
1577
1578         DEBUG13(printk("%s(%ld): CURRENT_SPEED=%x.\n", __func__, ha->host_no,
1579             eiter->a.cur_speed));
1580
1581         /* Max frame size. */
1582         eiter = (struct ct_fdmi_port_attr *) (entries + size);
1583         eiter->type = __constant_cpu_to_be16(FDMI_PORT_MAX_FRAME_SIZE);
1584         eiter->len = __constant_cpu_to_be16(4 + 4);
1585         max_frame_size = IS_FWI2_CAPABLE(ha) ?
1586             le16_to_cpu(icb24->frame_payload_size):
1587             le16_to_cpu(ha->init_cb->frame_payload_size);
1588         eiter->a.max_frame_size = cpu_to_be32(max_frame_size);
1589         size += 4 + 4;
1590
1591         DEBUG13(printk("%s(%ld): MAX_FRAME_SIZE=%x.\n", __func__, ha->host_no,
1592             eiter->a.max_frame_size));
1593
1594         /* OS device name. */
1595         eiter = (struct ct_fdmi_port_attr *) (entries + size);
1596         eiter->type = __constant_cpu_to_be16(FDMI_PORT_OS_DEVICE_NAME);
1597         strcpy(eiter->a.os_dev_name, QLA2XXX_DRIVER_NAME);
1598         alen = strlen(eiter->a.os_dev_name);
1599         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1600         eiter->len = cpu_to_be16(4 + alen);
1601         size += 4 + alen;
1602
1603         DEBUG13(printk("%s(%ld): OS_DEVICE_NAME=%s.\n", __func__, ha->host_no,
1604             eiter->a.os_dev_name));
1605
1606         /* Hostname. */
1607         if (strlen(fc_host_system_hostname(ha->host))) {
1608                 ct_req->req.rpa.attrs.count =
1609                     __constant_cpu_to_be32(FDMI_PORT_ATTR_COUNT);
1610                 eiter = (struct ct_fdmi_port_attr *) (entries + size);
1611                 eiter->type = __constant_cpu_to_be16(FDMI_PORT_HOST_NAME);
1612                 snprintf(eiter->a.host_name, sizeof(eiter->a.host_name),
1613                     "%s", fc_host_system_hostname(ha->host));
1614                 alen = strlen(eiter->a.host_name);
1615                 alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1616                 eiter->len = cpu_to_be16(4 + alen);
1617                 size += 4 + alen;
1618
1619                 DEBUG13(printk("%s(%ld): HOSTNAME=%s.\n", __func__,
1620                     ha->host_no, eiter->a.host_name));
1621         }
1622
1623         /* Update MS request size. */
1624         qla2x00_update_ms_fdmi_iocb(ha, size + 16);
1625
1626         DEBUG13(printk("%s(%ld): RPA portname="
1627             "%02x%02x%02x%02x%02x%02x%02x%02x size=%d.\n", __func__,
1628             ha->host_no, ct_req->req.rpa.port_name[0],
1629             ct_req->req.rpa.port_name[1], ct_req->req.rpa.port_name[2],
1630             ct_req->req.rpa.port_name[3], ct_req->req.rpa.port_name[4],
1631             ct_req->req.rpa.port_name[5], ct_req->req.rpa.port_name[6],
1632             ct_req->req.rpa.port_name[7], size));
1633         DEBUG13(qla2x00_dump_buffer(entries, size));
1634
1635         /* Execute MS IOCB */
1636         rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1637             sizeof(ms_iocb_entry_t));
1638         if (rval != QLA_SUCCESS) {
1639                 /*EMPTY*/
1640                 DEBUG2_3(printk("scsi(%ld): RPA issue IOCB failed (%d).\n",
1641                     ha->host_no, rval));
1642         } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RPA") !=
1643             QLA_SUCCESS) {
1644                 rval = QLA_FUNCTION_FAILED;
1645         } else {
1646                 DEBUG2(printk("scsi(%ld): RPA exiting normally.\n",
1647                     ha->host_no));
1648         }
1649
1650         return rval;
1651 }
1652
1653 /**
1654  * qla2x00_fdmi_register() -
1655  * @ha: HA context
1656  *
1657  * Returns 0 on success.
1658  */
1659 int
1660 qla2x00_fdmi_register(scsi_qla_host_t *ha)
1661 {
1662         int rval;
1663
1664         rval = qla2x00_mgmt_svr_login(ha);
1665         if (rval)
1666                 return rval;
1667
1668         rval = qla2x00_fdmi_rhba(ha);
1669         if (rval) {
1670                 if (rval != QLA_ALREADY_REGISTERED)
1671                         return rval;
1672
1673                 rval = qla2x00_fdmi_dhba(ha);
1674                 if (rval)
1675                         return rval;
1676
1677                 rval = qla2x00_fdmi_rhba(ha);
1678                 if (rval)
1679                         return rval;
1680         }
1681         rval = qla2x00_fdmi_rpa(ha);
1682
1683         return rval;
1684 }
1685
1686 /**
1687  * qla2x00_gfpn_id() - SNS Get Fabric Port Name (GFPN_ID) query.
1688  * @ha: HA context
1689  * @list: switch info entries to populate
1690  *
1691  * Returns 0 on success.
1692  */
1693 int
1694 qla2x00_gfpn_id(scsi_qla_host_t *ha, sw_info_t *list)
1695 {
1696         int             rval;
1697         uint16_t        i;
1698
1699         ms_iocb_entry_t *ms_pkt;
1700         struct ct_sns_req       *ct_req;
1701         struct ct_sns_rsp       *ct_rsp;
1702
1703         if (!IS_IIDMA_CAPABLE(ha))
1704                 return QLA_FUNCTION_FAILED;
1705
1706         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
1707                 /* Issue GFPN_ID */
1708                 /* Prepare common MS IOCB */
1709                 ms_pkt = ha->isp_ops->prep_ms_iocb(ha, GFPN_ID_REQ_SIZE,
1710                     GFPN_ID_RSP_SIZE);
1711
1712                 /* Prepare CT request */
1713                 ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GFPN_ID_CMD,
1714                     GFPN_ID_RSP_SIZE);
1715                 ct_rsp = &ha->ct_sns->p.rsp;
1716
1717                 /* Prepare CT arguments -- port_id */
1718                 ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
1719                 ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
1720                 ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
1721
1722                 /* Execute MS IOCB */
1723                 rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1724                     sizeof(ms_iocb_entry_t));
1725                 if (rval != QLA_SUCCESS) {
1726                         /*EMPTY*/
1727                         DEBUG2_3(printk("scsi(%ld): GFPN_ID issue IOCB "
1728                             "failed (%d).\n", ha->host_no, rval));
1729                 } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp,
1730                     "GFPN_ID") != QLA_SUCCESS) {
1731                         rval = QLA_FUNCTION_FAILED;
1732                 } else {
1733                         /* Save fabric portname */
1734                         memcpy(list[i].fabric_port_name,
1735                             ct_rsp->rsp.gfpn_id.port_name, WWN_SIZE);
1736                 }
1737
1738                 /* Last device exit. */
1739                 if (list[i].d_id.b.rsvd_1 != 0)
1740                         break;
1741         }
1742
1743         return (rval);
1744 }
1745
1746 static inline void *
1747 qla24xx_prep_ms_fm_iocb(scsi_qla_host_t *ha, uint32_t req_size,
1748     uint32_t rsp_size)
1749 {
1750         struct ct_entry_24xx *ct_pkt;
1751
1752         ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1753         memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
1754
1755         ct_pkt->entry_type = CT_IOCB_TYPE;
1756         ct_pkt->entry_count = 1;
1757         ct_pkt->nport_handle = cpu_to_le16(ha->mgmt_svr_loop_id);
1758         ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1759         ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
1760         ct_pkt->rsp_dsd_count = __constant_cpu_to_le16(1);
1761         ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
1762         ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1763
1764         ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1765         ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1766         ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
1767
1768         ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1769         ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1770         ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
1771         ct_pkt->vp_index = ha->vp_idx;
1772
1773         return ct_pkt;
1774 }
1775
1776
1777 static inline struct ct_sns_req *
1778 qla24xx_prep_ct_fm_req(struct ct_sns_req *ct_req, uint16_t cmd,
1779     uint16_t rsp_size)
1780 {
1781         memset(ct_req, 0, sizeof(struct ct_sns_pkt));
1782
1783         ct_req->header.revision = 0x01;
1784         ct_req->header.gs_type = 0xFA;
1785         ct_req->header.gs_subtype = 0x01;
1786         ct_req->command = cpu_to_be16(cmd);
1787         ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
1788
1789         return ct_req;
1790 }
1791
1792 /**
1793  * qla2x00_gpsc() - FCS Get Port Speed Capabilities (GPSC) query.
1794  * @ha: HA context
1795  * @list: switch info entries to populate
1796  *
1797  * Returns 0 on success.
1798  */
1799 int
1800 qla2x00_gpsc(scsi_qla_host_t *ha, sw_info_t *list)
1801 {
1802         int             rval;
1803         uint16_t        i;
1804
1805         ms_iocb_entry_t *ms_pkt;
1806         struct ct_sns_req       *ct_req;
1807         struct ct_sns_rsp       *ct_rsp;
1808
1809         if (!IS_IIDMA_CAPABLE(ha))
1810                 return QLA_FUNCTION_FAILED;
1811         if (!ha->flags.gpsc_supported)
1812                 return QLA_FUNCTION_FAILED;
1813
1814         rval = qla2x00_mgmt_svr_login(ha);
1815         if (rval)
1816                 return rval;
1817
1818         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
1819                 /* Issue GFPN_ID */
1820                 /* Prepare common MS IOCB */
1821                 ms_pkt = qla24xx_prep_ms_fm_iocb(ha, GPSC_REQ_SIZE,
1822                     GPSC_RSP_SIZE);
1823
1824                 /* Prepare CT request */
1825                 ct_req = qla24xx_prep_ct_fm_req(&ha->ct_sns->p.req,
1826                     GPSC_CMD, GPSC_RSP_SIZE);
1827                 ct_rsp = &ha->ct_sns->p.rsp;
1828
1829                 /* Prepare CT arguments -- port_name */
1830                 memcpy(ct_req->req.gpsc.port_name, list[i].fabric_port_name,
1831                     WWN_SIZE);
1832
1833                 /* Execute MS IOCB */
1834                 rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1835                     sizeof(ms_iocb_entry_t));
1836                 if (rval != QLA_SUCCESS) {
1837                         /*EMPTY*/
1838                         DEBUG2_3(printk("scsi(%ld): GPSC issue IOCB "
1839                             "failed (%d).\n", ha->host_no, rval));
1840                 } else if ((rval = qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp,
1841                     "GPSC")) != QLA_SUCCESS) {
1842                         /* FM command unsupported? */
1843                         if (rval == QLA_INVALID_COMMAND &&
1844                             (ct_rsp->header.reason_code ==
1845                                 CT_REASON_INVALID_COMMAND_CODE ||
1846                              ct_rsp->header.reason_code ==
1847                                 CT_REASON_COMMAND_UNSUPPORTED)) {
1848                                 DEBUG2(printk("scsi(%ld): GPSC command "
1849                                     "unsupported, disabling query...\n",
1850                                     ha->host_no));
1851                                 ha->flags.gpsc_supported = 0;
1852                                 rval = QLA_FUNCTION_FAILED;
1853                                 break;
1854                         }
1855                         rval = QLA_FUNCTION_FAILED;
1856                 } else {
1857                         /* Save port-speed */
1858                         switch (be16_to_cpu(ct_rsp->rsp.gpsc.speed)) {
1859                         case BIT_15:
1860                                 list[i].fp_speed = PORT_SPEED_1GB;
1861                                 break;
1862                         case BIT_14:
1863                                 list[i].fp_speed = PORT_SPEED_2GB;
1864                                 break;
1865                         case BIT_13:
1866                                 list[i].fp_speed = PORT_SPEED_4GB;
1867                                 break;
1868                         case BIT_11:
1869                                 list[i].fp_speed = PORT_SPEED_8GB;
1870                                 break;
1871                         }
1872
1873                         DEBUG2_3(printk("scsi(%ld): GPSC ext entry - "
1874                             "fpn %02x%02x%02x%02x%02x%02x%02x%02x speeds=%04x "
1875                             "speed=%04x.\n", ha->host_no,
1876                             list[i].fabric_port_name[0],
1877                             list[i].fabric_port_name[1],
1878                             list[i].fabric_port_name[2],
1879                             list[i].fabric_port_name[3],
1880                             list[i].fabric_port_name[4],
1881                             list[i].fabric_port_name[5],
1882                             list[i].fabric_port_name[6],
1883                             list[i].fabric_port_name[7],
1884                             be16_to_cpu(ct_rsp->rsp.gpsc.speeds),
1885                             be16_to_cpu(ct_rsp->rsp.gpsc.speed)));
1886                 }
1887
1888                 /* Last device exit. */
1889                 if (list[i].d_id.b.rsvd_1 != 0)
1890                         break;
1891         }
1892
1893         return (rval);
1894 }