Merge branch 'fix/hda' into for-linus
[linux-2.6] / 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 *vha, uint32_t req_size, uint32_t rsp_size)
26 {
27         struct qla_hw_data *ha = vha->hw;
28         ms_iocb_entry_t *ms_pkt;
29
30         ms_pkt = ha->ms_iocb;
31         memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
32
33         ms_pkt->entry_type = MS_IOCB_TYPE;
34         ms_pkt->entry_count = 1;
35         SET_TARGET_ID(ha, ms_pkt->loop_id, SIMPLE_NAME_SERVER);
36         ms_pkt->control_flags = __constant_cpu_to_le16(CF_READ | CF_HEAD_TAG);
37         ms_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
38         ms_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
39         ms_pkt->total_dsd_count = __constant_cpu_to_le16(2);
40         ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
41         ms_pkt->req_bytecount = cpu_to_le32(req_size);
42
43         ms_pkt->dseg_req_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
44         ms_pkt->dseg_req_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
45         ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
46
47         ms_pkt->dseg_rsp_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
48         ms_pkt->dseg_rsp_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
49         ms_pkt->dseg_rsp_length = ms_pkt->rsp_bytecount;
50
51         return (ms_pkt);
52 }
53
54 /**
55  * qla24xx_prep_ms_iocb() - Prepare common CT IOCB fields for SNS CT query.
56  * @ha: HA context
57  * @req_size: request size in bytes
58  * @rsp_size: response size in bytes
59  *
60  * Returns a pointer to the @ha's ms_iocb.
61  */
62 void *
63 qla24xx_prep_ms_iocb(scsi_qla_host_t *vha, uint32_t req_size, uint32_t rsp_size)
64 {
65         struct qla_hw_data *ha = vha->hw;
66         struct ct_entry_24xx *ct_pkt;
67
68         ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
69         memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
70
71         ct_pkt->entry_type = CT_IOCB_TYPE;
72         ct_pkt->entry_count = 1;
73         ct_pkt->nport_handle = __constant_cpu_to_le16(NPH_SNS);
74         ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
75         ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
76         ct_pkt->rsp_dsd_count = __constant_cpu_to_le16(1);
77         ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
78         ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
79
80         ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
81         ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
82         ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
83
84         ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
85         ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
86         ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
87         ct_pkt->vp_index = vha->vp_idx;
88
89         return (ct_pkt);
90 }
91
92 /**
93  * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
94  * @ct_req: CT request buffer
95  * @cmd: GS command
96  * @rsp_size: response size in bytes
97  *
98  * Returns a pointer to the intitialized @ct_req.
99  */
100 static inline struct ct_sns_req *
101 qla2x00_prep_ct_req(struct ct_sns_req *ct_req, uint16_t cmd, uint16_t rsp_size)
102 {
103         memset(ct_req, 0, sizeof(struct ct_sns_pkt));
104
105         ct_req->header.revision = 0x01;
106         ct_req->header.gs_type = 0xFC;
107         ct_req->header.gs_subtype = 0x02;
108         ct_req->command = cpu_to_be16(cmd);
109         ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
110
111         return (ct_req);
112 }
113
114 static int
115 qla2x00_chk_ms_status(scsi_qla_host_t *vha, ms_iocb_entry_t *ms_pkt,
116     struct ct_sns_rsp *ct_rsp, const char *routine)
117 {
118         int rval;
119         uint16_t comp_status;
120         struct qla_hw_data *ha = vha->hw;
121
122         rval = QLA_FUNCTION_FAILED;
123         if (ms_pkt->entry_status != 0) {
124                 DEBUG2_3(printk("scsi(%ld): %s failed, error status (%x).\n",
125                     vha->host_no, routine, ms_pkt->entry_status));
126         } else {
127                 if (IS_FWI2_CAPABLE(ha))
128                         comp_status = le16_to_cpu(
129                             ((struct ct_entry_24xx *)ms_pkt)->comp_status);
130                 else
131                         comp_status = le16_to_cpu(ms_pkt->status);
132                 switch (comp_status) {
133                 case CS_COMPLETE:
134                 case CS_DATA_UNDERRUN:
135                 case CS_DATA_OVERRUN:           /* Overrun? */
136                         if (ct_rsp->header.response !=
137                             __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
138                                 DEBUG2_3(printk("scsi(%ld): %s failed, "
139                                     "rejected request:\n", vha->host_no,
140                                     routine));
141                                 DEBUG2_3(qla2x00_dump_buffer(
142                                     (uint8_t *)&ct_rsp->header,
143                                     sizeof(struct ct_rsp_hdr)));
144                                 rval = QLA_INVALID_COMMAND;
145                         } else
146                                 rval = QLA_SUCCESS;
147                         break;
148                 default:
149                         DEBUG2_3(printk("scsi(%ld): %s failed, completion "
150                             "status (%x).\n", vha->host_no, routine,
151                             comp_status));
152                         break;
153                 }
154         }
155         return rval;
156 }
157
158 /**
159  * qla2x00_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
160  * @ha: HA context
161  * @fcport: fcport entry to updated
162  *
163  * Returns 0 on success.
164  */
165 int
166 qla2x00_ga_nxt(scsi_qla_host_t *vha, fc_port_t *fcport)
167 {
168         int             rval;
169
170         ms_iocb_entry_t *ms_pkt;
171         struct ct_sns_req       *ct_req;
172         struct ct_sns_rsp       *ct_rsp;
173         struct qla_hw_data *ha = vha->hw;
174
175         if (IS_QLA2100(ha) || IS_QLA2200(ha))
176                 return qla2x00_sns_ga_nxt(vha, fcport);
177
178         /* Issue GA_NXT */
179         /* Prepare common MS IOCB */
180         ms_pkt = ha->isp_ops->prep_ms_iocb(vha, GA_NXT_REQ_SIZE,
181             GA_NXT_RSP_SIZE);
182
183         /* Prepare CT request */
184         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GA_NXT_CMD,
185             GA_NXT_RSP_SIZE);
186         ct_rsp = &ha->ct_sns->p.rsp;
187
188         /* Prepare CT arguments -- port_id */
189         ct_req->req.port_id.port_id[0] = fcport->d_id.b.domain;
190         ct_req->req.port_id.port_id[1] = fcport->d_id.b.area;
191         ct_req->req.port_id.port_id[2] = fcport->d_id.b.al_pa;
192
193         /* Execute MS IOCB */
194         rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
195             sizeof(ms_iocb_entry_t));
196         if (rval != QLA_SUCCESS) {
197                 /*EMPTY*/
198                 DEBUG2_3(printk("scsi(%ld): GA_NXT issue IOCB failed (%d).\n",
199                     vha->host_no, rval));
200         } else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "GA_NXT") !=
201             QLA_SUCCESS) {
202                 rval = QLA_FUNCTION_FAILED;
203         } else {
204                 /* Populate fc_port_t entry. */
205                 fcport->d_id.b.domain = ct_rsp->rsp.ga_nxt.port_id[0];
206                 fcport->d_id.b.area = ct_rsp->rsp.ga_nxt.port_id[1];
207                 fcport->d_id.b.al_pa = ct_rsp->rsp.ga_nxt.port_id[2];
208
209                 memcpy(fcport->node_name, ct_rsp->rsp.ga_nxt.node_name,
210                     WWN_SIZE);
211                 memcpy(fcport->port_name, ct_rsp->rsp.ga_nxt.port_name,
212                     WWN_SIZE);
213
214                 if (ct_rsp->rsp.ga_nxt.port_type != NS_N_PORT_TYPE &&
215                     ct_rsp->rsp.ga_nxt.port_type != NS_NL_PORT_TYPE)
216                         fcport->d_id.b.domain = 0xf0;
217
218                 DEBUG2_3(printk("scsi(%ld): GA_NXT entry - "
219                     "nn %02x%02x%02x%02x%02x%02x%02x%02x "
220                     "pn %02x%02x%02x%02x%02x%02x%02x%02x "
221                     "portid=%02x%02x%02x.\n",
222                     vha->host_no,
223                     fcport->node_name[0], fcport->node_name[1],
224                     fcport->node_name[2], fcport->node_name[3],
225                     fcport->node_name[4], fcport->node_name[5],
226                     fcport->node_name[6], fcport->node_name[7],
227                     fcport->port_name[0], fcport->port_name[1],
228                     fcport->port_name[2], fcport->port_name[3],
229                     fcport->port_name[4], fcport->port_name[5],
230                     fcport->port_name[6], fcport->port_name[7],
231                     fcport->d_id.b.domain, fcport->d_id.b.area,
232                     fcport->d_id.b.al_pa));
233         }
234
235         return (rval);
236 }
237
238 /**
239  * qla2x00_gid_pt() - SNS scan for fabric devices via GID_PT command.
240  * @ha: HA context
241  * @list: switch info entries to populate
242  *
243  * NOTE: Non-Nx_Ports are not requested.
244  *
245  * Returns 0 on success.
246  */
247 int
248 qla2x00_gid_pt(scsi_qla_host_t *vha, sw_info_t *list)
249 {
250         int             rval;
251         uint16_t        i;
252
253         ms_iocb_entry_t *ms_pkt;
254         struct ct_sns_req       *ct_req;
255         struct ct_sns_rsp       *ct_rsp;
256
257         struct ct_sns_gid_pt_data *gid_data;
258         struct qla_hw_data *ha = vha->hw;
259
260         if (IS_QLA2100(ha) || IS_QLA2200(ha))
261                 return qla2x00_sns_gid_pt(vha, list);
262
263         gid_data = NULL;
264
265         /* Issue GID_PT */
266         /* Prepare common MS IOCB */
267         ms_pkt = ha->isp_ops->prep_ms_iocb(vha, GID_PT_REQ_SIZE,
268             GID_PT_RSP_SIZE);
269
270         /* Prepare CT request */
271         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GID_PT_CMD,
272             GID_PT_RSP_SIZE);
273         ct_rsp = &ha->ct_sns->p.rsp;
274
275         /* Prepare CT arguments -- port_type */
276         ct_req->req.gid_pt.port_type = NS_NX_PORT_TYPE;
277
278         /* Execute MS IOCB */
279         rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
280             sizeof(ms_iocb_entry_t));
281         if (rval != QLA_SUCCESS) {
282                 /*EMPTY*/
283                 DEBUG2_3(printk("scsi(%ld): GID_PT issue IOCB failed (%d).\n",
284                     vha->host_no, rval));
285         } else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "GID_PT") !=
286             QLA_SUCCESS) {
287                 rval = QLA_FUNCTION_FAILED;
288         } else {
289                 /* Set port IDs in switch info list. */
290                 for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
291                         gid_data = &ct_rsp->rsp.gid_pt.entries[i];
292                         list[i].d_id.b.domain = gid_data->port_id[0];
293                         list[i].d_id.b.area = gid_data->port_id[1];
294                         list[i].d_id.b.al_pa = gid_data->port_id[2];
295                         memset(list[i].fabric_port_name, 0, WWN_SIZE);
296                         list[i].fp_speed = PORT_SPEED_UNKNOWN;
297
298                         /* Last one exit. */
299                         if (gid_data->control_byte & BIT_7) {
300                                 list[i].d_id.b.rsvd_1 = gid_data->control_byte;
301                                 break;
302                         }
303                 }
304
305                 /*
306                  * If we've used all available slots, then the switch is
307                  * reporting back more devices than we can handle with this
308                  * single call.  Return a failed status, and let GA_NXT handle
309                  * the overload.
310                  */
311                 if (i == MAX_FIBRE_DEVICES)
312                         rval = QLA_FUNCTION_FAILED;
313         }
314
315         return (rval);
316 }
317
318 /**
319  * qla2x00_gpn_id() - SNS Get Port Name (GPN_ID) query.
320  * @ha: HA context
321  * @list: switch info entries to populate
322  *
323  * Returns 0 on success.
324  */
325 int
326 qla2x00_gpn_id(scsi_qla_host_t *vha, sw_info_t *list)
327 {
328         int             rval;
329         uint16_t        i;
330
331         ms_iocb_entry_t *ms_pkt;
332         struct ct_sns_req       *ct_req;
333         struct ct_sns_rsp       *ct_rsp;
334         struct qla_hw_data *ha = vha->hw;
335
336         if (IS_QLA2100(ha) || IS_QLA2200(ha))
337                 return qla2x00_sns_gpn_id(vha, list);
338
339         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
340                 /* Issue GPN_ID */
341                 /* Prepare common MS IOCB */
342                 ms_pkt = ha->isp_ops->prep_ms_iocb(vha, GPN_ID_REQ_SIZE,
343                     GPN_ID_RSP_SIZE);
344
345                 /* Prepare CT request */
346                 ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GPN_ID_CMD,
347                     GPN_ID_RSP_SIZE);
348                 ct_rsp = &ha->ct_sns->p.rsp;
349
350                 /* Prepare CT arguments -- port_id */
351                 ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
352                 ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
353                 ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
354
355                 /* Execute MS IOCB */
356                 rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
357                     sizeof(ms_iocb_entry_t));
358                 if (rval != QLA_SUCCESS) {
359                         /*EMPTY*/
360                         DEBUG2_3(printk("scsi(%ld): GPN_ID issue IOCB failed "
361                             "(%d).\n", vha->host_no, rval));
362                 } else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
363                     "GPN_ID") != QLA_SUCCESS) {
364                         rval = QLA_FUNCTION_FAILED;
365                 } else {
366                         /* Save portname */
367                         memcpy(list[i].port_name,
368                             ct_rsp->rsp.gpn_id.port_name, WWN_SIZE);
369                 }
370
371                 /* Last device exit. */
372                 if (list[i].d_id.b.rsvd_1 != 0)
373                         break;
374         }
375
376         return (rval);
377 }
378
379 /**
380  * qla2x00_gnn_id() - SNS Get Node Name (GNN_ID) query.
381  * @ha: HA context
382  * @list: switch info entries to populate
383  *
384  * Returns 0 on success.
385  */
386 int
387 qla2x00_gnn_id(scsi_qla_host_t *vha, sw_info_t *list)
388 {
389         int             rval;
390         uint16_t        i;
391         struct qla_hw_data *ha = vha->hw;
392         ms_iocb_entry_t *ms_pkt;
393         struct ct_sns_req       *ct_req;
394         struct ct_sns_rsp       *ct_rsp;
395
396         if (IS_QLA2100(ha) || IS_QLA2200(ha))
397                 return qla2x00_sns_gnn_id(vha, list);
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(vha, 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(vha, 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", vha->host_no, rval));
422                 } else if (qla2x00_chk_ms_status(vha, 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                             vha->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 *vha)
463 {
464         int             rval;
465         struct qla_hw_data *ha = vha->hw;
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(vha);
472
473         /* Issue RFT_ID */
474         /* Prepare common MS IOCB */
475         ms_pkt = ha->isp_ops->prep_ms_iocb(vha, RFT_ID_REQ_SIZE,
476             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] = vha->d_id.b.domain;
485         ct_req->req.rft_id.port_id[1] = vha->d_id.b.area;
486         ct_req->req.rft_id.port_id[2] = vha->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(vha, 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                     vha->host_no, rval));
497         } else if (qla2x00_chk_ms_status(vha, 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                     vha->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 *vha)
516 {
517         int             rval;
518         struct qla_hw_data *ha = vha->hw;
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", vha->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(vha, RFF_ID_REQ_SIZE,
532             RFF_ID_RSP_SIZE);
533
534         /* Prepare CT request */
535         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFF_ID_CMD,
536             RFF_ID_RSP_SIZE);
537         ct_rsp = &ha->ct_sns->p.rsp;
538
539         /* Prepare CT arguments -- port_id, FC-4 feature, FC-4 type */
540         ct_req->req.rff_id.port_id[0] = vha->d_id.b.domain;
541         ct_req->req.rff_id.port_id[1] = vha->d_id.b.area;
542         ct_req->req.rff_id.port_id[2] = vha->d_id.b.al_pa;
543
544         ct_req->req.rff_id.fc4_feature = BIT_1;
545         ct_req->req.rff_id.fc4_type = 0x08;             /* SCSI - FCP */
546
547         /* Execute MS IOCB */
548         rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
549             sizeof(ms_iocb_entry_t));
550         if (rval != QLA_SUCCESS) {
551                 /*EMPTY*/
552                 DEBUG2_3(printk("scsi(%ld): RFF_ID issue IOCB failed (%d).\n",
553                     vha->host_no, rval));
554         } else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RFF_ID") !=
555             QLA_SUCCESS) {
556                 rval = QLA_FUNCTION_FAILED;
557         } else {
558                 DEBUG2(printk("scsi(%ld): RFF_ID exiting normally.\n",
559                     vha->host_no));
560         }
561
562         return (rval);
563 }
564
565 /**
566  * qla2x00_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
567  * @ha: HA context
568  *
569  * Returns 0 on success.
570  */
571 int
572 qla2x00_rnn_id(scsi_qla_host_t *vha)
573 {
574         int             rval;
575         struct qla_hw_data *ha = vha->hw;
576         ms_iocb_entry_t *ms_pkt;
577         struct ct_sns_req       *ct_req;
578         struct ct_sns_rsp       *ct_rsp;
579
580         if (IS_QLA2100(ha) || IS_QLA2200(ha))
581                 return qla2x00_sns_rnn_id(vha);
582
583         /* Issue RNN_ID */
584         /* Prepare common MS IOCB */
585         ms_pkt = ha->isp_ops->prep_ms_iocb(vha, 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] = vha->d_id.b.domain;
595         ct_req->req.rnn_id.port_id[1] = vha->d_id.b.area;
596         ct_req->req.rnn_id.port_id[2] = vha->d_id.b.al_pa;
597
598         memcpy(ct_req->req.rnn_id.node_name, vha->node_name, WWN_SIZE);
599
600         /* Execute MS IOCB */
601         rval = qla2x00_issue_iocb(vha, 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                     vha->host_no, rval));
607         } else if (qla2x00_chk_ms_status(vha, 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                     vha->host_no));
613         }
614
615         return (rval);
616 }
617
618 void
619 qla2x00_get_sym_node_name(scsi_qla_host_t *vha, uint8_t *snn)
620 {
621         struct qla_hw_data *ha = vha->hw;
622         sprintf(snn, "%s FW:v%d.%02d.%02d DVR:v%s",ha->model_number,
623             ha->fw_major_version, ha->fw_minor_version,
624             ha->fw_subminor_version, qla2x00_version_str);
625 }
626
627 /**
628  * qla2x00_rsnn_nn() - SNS Register Symbolic Node Name (RSNN_NN) of the HBA.
629  * @ha: HA context
630  *
631  * Returns 0 on success.
632  */
633 int
634 qla2x00_rsnn_nn(scsi_qla_host_t *vha)
635 {
636         int             rval;
637         struct qla_hw_data *ha = vha->hw;
638         ms_iocb_entry_t *ms_pkt;
639         struct ct_sns_req       *ct_req;
640         struct ct_sns_rsp       *ct_rsp;
641
642         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
643                 DEBUG2(printk("scsi(%ld): RSNN_ID call unsupported on "
644                     "ISP2100/ISP2200.\n", vha->host_no));
645                 return (QLA_SUCCESS);
646         }
647
648         /* Issue RSNN_NN */
649         /* Prepare common MS IOCB */
650         /*   Request size adjusted after CT preparation */
651         ms_pkt = ha->isp_ops->prep_ms_iocb(vha, 0, RSNN_NN_RSP_SIZE);
652
653         /* Prepare CT request */
654         ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RSNN_NN_CMD,
655             RSNN_NN_RSP_SIZE);
656         ct_rsp = &ha->ct_sns->p.rsp;
657
658         /* Prepare CT arguments -- node_name, symbolic node_name, size */
659         memcpy(ct_req->req.rsnn_nn.node_name, vha->node_name, WWN_SIZE);
660
661         /* Prepare the Symbolic Node Name */
662         qla2x00_get_sym_node_name(vha, ct_req->req.rsnn_nn.sym_node_name);
663
664         /* Calculate SNN length */
665         ct_req->req.rsnn_nn.name_len =
666             (uint8_t)strlen(ct_req->req.rsnn_nn.sym_node_name);
667
668         /* Update MS IOCB request */
669         ms_pkt->req_bytecount =
670             cpu_to_le32(24 + 1 + ct_req->req.rsnn_nn.name_len);
671         ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
672
673         /* Execute MS IOCB */
674         rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
675             sizeof(ms_iocb_entry_t));
676         if (rval != QLA_SUCCESS) {
677                 /*EMPTY*/
678                 DEBUG2_3(printk("scsi(%ld): RSNN_NN issue IOCB failed (%d).\n",
679                     vha->host_no, rval));
680         } else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RSNN_NN") !=
681             QLA_SUCCESS) {
682                 rval = QLA_FUNCTION_FAILED;
683         } else {
684                 DEBUG2(printk("scsi(%ld): RSNN_NN exiting normally.\n",
685                     vha->host_no));
686         }
687
688         return (rval);
689 }
690
691 /**
692  * qla2x00_prep_sns_cmd() - Prepare common SNS command request fields for query.
693  * @ha: HA context
694  * @cmd: GS command
695  * @scmd_len: Subcommand length
696  * @data_size: response size in bytes
697  *
698  * Returns a pointer to the @ha's sns_cmd.
699  */
700 static inline struct sns_cmd_pkt *
701 qla2x00_prep_sns_cmd(scsi_qla_host_t *vha, uint16_t cmd, uint16_t scmd_len,
702     uint16_t data_size)
703 {
704         uint16_t                wc;
705         struct sns_cmd_pkt      *sns_cmd;
706         struct qla_hw_data *ha = vha->hw;
707
708         sns_cmd = ha->sns_cmd;
709         memset(sns_cmd, 0, sizeof(struct sns_cmd_pkt));
710         wc = data_size / 2;                     /* Size in 16bit words. */
711         sns_cmd->p.cmd.buffer_length = cpu_to_le16(wc);
712         sns_cmd->p.cmd.buffer_address[0] = cpu_to_le32(LSD(ha->sns_cmd_dma));
713         sns_cmd->p.cmd.buffer_address[1] = cpu_to_le32(MSD(ha->sns_cmd_dma));
714         sns_cmd->p.cmd.subcommand_length = cpu_to_le16(scmd_len);
715         sns_cmd->p.cmd.subcommand = cpu_to_le16(cmd);
716         wc = (data_size - 16) / 4;              /* Size in 32bit words. */
717         sns_cmd->p.cmd.size = cpu_to_le16(wc);
718
719         return (sns_cmd);
720 }
721
722 /**
723  * qla2x00_sns_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
724  * @ha: HA context
725  * @fcport: fcport entry to updated
726  *
727  * This command uses the old Exectute SNS Command mailbox routine.
728  *
729  * Returns 0 on success.
730  */
731 static int
732 qla2x00_sns_ga_nxt(scsi_qla_host_t *vha, fc_port_t *fcport)
733 {
734         int             rval;
735         struct qla_hw_data *ha = vha->hw;
736         struct sns_cmd_pkt      *sns_cmd;
737
738         /* Issue GA_NXT. */
739         /* Prepare SNS command request. */
740         sns_cmd = qla2x00_prep_sns_cmd(vha, GA_NXT_CMD, GA_NXT_SNS_SCMD_LEN,
741             GA_NXT_SNS_DATA_SIZE);
742
743         /* Prepare SNS command arguments -- port_id. */
744         sns_cmd->p.cmd.param[0] = fcport->d_id.b.al_pa;
745         sns_cmd->p.cmd.param[1] = fcport->d_id.b.area;
746         sns_cmd->p.cmd.param[2] = fcport->d_id.b.domain;
747
748         /* Execute SNS command. */
749         rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, GA_NXT_SNS_CMD_SIZE / 2,
750             sizeof(struct sns_cmd_pkt));
751         if (rval != QLA_SUCCESS) {
752                 /*EMPTY*/
753                 DEBUG2_3(printk("scsi(%ld): GA_NXT Send SNS failed (%d).\n",
754                     vha->host_no, rval));
755         } else if (sns_cmd->p.gan_data[8] != 0x80 ||
756             sns_cmd->p.gan_data[9] != 0x02) {
757                 DEBUG2_3(printk("scsi(%ld): GA_NXT failed, rejected request, "
758                     "ga_nxt_rsp:\n", vha->host_no));
759                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gan_data, 16));
760                 rval = QLA_FUNCTION_FAILED;
761         } else {
762                 /* Populate fc_port_t entry. */
763                 fcport->d_id.b.domain = sns_cmd->p.gan_data[17];
764                 fcport->d_id.b.area = sns_cmd->p.gan_data[18];
765                 fcport->d_id.b.al_pa = sns_cmd->p.gan_data[19];
766
767                 memcpy(fcport->node_name, &sns_cmd->p.gan_data[284], WWN_SIZE);
768                 memcpy(fcport->port_name, &sns_cmd->p.gan_data[20], WWN_SIZE);
769
770                 if (sns_cmd->p.gan_data[16] != NS_N_PORT_TYPE &&
771                     sns_cmd->p.gan_data[16] != NS_NL_PORT_TYPE)
772                         fcport->d_id.b.domain = 0xf0;
773
774                 DEBUG2_3(printk("scsi(%ld): GA_NXT entry - "
775                     "nn %02x%02x%02x%02x%02x%02x%02x%02x "
776                     "pn %02x%02x%02x%02x%02x%02x%02x%02x "
777                     "portid=%02x%02x%02x.\n",
778                     vha->host_no,
779                     fcport->node_name[0], fcport->node_name[1],
780                     fcport->node_name[2], fcport->node_name[3],
781                     fcport->node_name[4], fcport->node_name[5],
782                     fcport->node_name[6], fcport->node_name[7],
783                     fcport->port_name[0], fcport->port_name[1],
784                     fcport->port_name[2], fcport->port_name[3],
785                     fcport->port_name[4], fcport->port_name[5],
786                     fcport->port_name[6], fcport->port_name[7],
787                     fcport->d_id.b.domain, fcport->d_id.b.area,
788                     fcport->d_id.b.al_pa));
789         }
790
791         return (rval);
792 }
793
794 /**
795  * qla2x00_sns_gid_pt() - SNS scan for fabric devices via GID_PT command.
796  * @ha: HA context
797  * @list: switch info entries to populate
798  *
799  * This command uses the old Exectute SNS Command mailbox routine.
800  *
801  * NOTE: Non-Nx_Ports are not requested.
802  *
803  * Returns 0 on success.
804  */
805 static int
806 qla2x00_sns_gid_pt(scsi_qla_host_t *vha, sw_info_t *list)
807 {
808         int             rval;
809         struct qla_hw_data *ha = vha->hw;
810         uint16_t        i;
811         uint8_t         *entry;
812         struct sns_cmd_pkt      *sns_cmd;
813
814         /* Issue GID_PT. */
815         /* Prepare SNS command request. */
816         sns_cmd = qla2x00_prep_sns_cmd(vha, GID_PT_CMD, GID_PT_SNS_SCMD_LEN,
817             GID_PT_SNS_DATA_SIZE);
818
819         /* Prepare SNS command arguments -- port_type. */
820         sns_cmd->p.cmd.param[0] = NS_NX_PORT_TYPE;
821
822         /* Execute SNS command. */
823         rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, GID_PT_SNS_CMD_SIZE / 2,
824             sizeof(struct sns_cmd_pkt));
825         if (rval != QLA_SUCCESS) {
826                 /*EMPTY*/
827                 DEBUG2_3(printk("scsi(%ld): GID_PT Send SNS failed (%d).\n",
828                     vha->host_no, rval));
829         } else if (sns_cmd->p.gid_data[8] != 0x80 ||
830             sns_cmd->p.gid_data[9] != 0x02) {
831                 DEBUG2_3(printk("scsi(%ld): GID_PT failed, rejected request, "
832                     "gid_rsp:\n", vha->host_no));
833                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gid_data, 16));
834                 rval = QLA_FUNCTION_FAILED;
835         } else {
836                 /* Set port IDs in switch info list. */
837                 for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
838                         entry = &sns_cmd->p.gid_data[(i * 4) + 16];
839                         list[i].d_id.b.domain = entry[1];
840                         list[i].d_id.b.area = entry[2];
841                         list[i].d_id.b.al_pa = entry[3];
842
843                         /* Last one exit. */
844                         if (entry[0] & BIT_7) {
845                                 list[i].d_id.b.rsvd_1 = entry[0];
846                                 break;
847                         }
848                 }
849
850                 /*
851                  * If we've used all available slots, then the switch is
852                  * reporting back more devices that we can handle with this
853                  * single call.  Return a failed status, and let GA_NXT handle
854                  * the overload.
855                  */
856                 if (i == MAX_FIBRE_DEVICES)
857                         rval = QLA_FUNCTION_FAILED;
858         }
859
860         return (rval);
861 }
862
863 /**
864  * qla2x00_sns_gpn_id() - SNS Get Port Name (GPN_ID) query.
865  * @ha: HA context
866  * @list: switch info entries to populate
867  *
868  * This command uses the old Exectute SNS Command mailbox routine.
869  *
870  * Returns 0 on success.
871  */
872 static int
873 qla2x00_sns_gpn_id(scsi_qla_host_t *vha, sw_info_t *list)
874 {
875         int             rval;
876         struct qla_hw_data *ha = vha->hw;
877         uint16_t        i;
878         struct sns_cmd_pkt      *sns_cmd;
879
880         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
881                 /* Issue GPN_ID */
882                 /* Prepare SNS command request. */
883                 sns_cmd = qla2x00_prep_sns_cmd(vha, GPN_ID_CMD,
884                     GPN_ID_SNS_SCMD_LEN, GPN_ID_SNS_DATA_SIZE);
885
886                 /* Prepare SNS command arguments -- port_id. */
887                 sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
888                 sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
889                 sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
890
891                 /* Execute SNS command. */
892                 rval = qla2x00_send_sns(vha, ha->sns_cmd_dma,
893                     GPN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
894                 if (rval != QLA_SUCCESS) {
895                         /*EMPTY*/
896                         DEBUG2_3(printk("scsi(%ld): GPN_ID Send SNS failed "
897                             "(%d).\n", vha->host_no, rval));
898                 } else if (sns_cmd->p.gpn_data[8] != 0x80 ||
899                     sns_cmd->p.gpn_data[9] != 0x02) {
900                         DEBUG2_3(printk("scsi(%ld): GPN_ID failed, rejected "
901                             "request, gpn_rsp:\n", vha->host_no));
902                         DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gpn_data, 16));
903                         rval = QLA_FUNCTION_FAILED;
904                 } else {
905                         /* Save portname */
906                         memcpy(list[i].port_name, &sns_cmd->p.gpn_data[16],
907                             WWN_SIZE);
908                 }
909
910                 /* Last device exit. */
911                 if (list[i].d_id.b.rsvd_1 != 0)
912                         break;
913         }
914
915         return (rval);
916 }
917
918 /**
919  * qla2x00_sns_gnn_id() - SNS Get Node Name (GNN_ID) query.
920  * @ha: HA context
921  * @list: switch info entries to populate
922  *
923  * This command uses the old Exectute SNS Command mailbox routine.
924  *
925  * Returns 0 on success.
926  */
927 static int
928 qla2x00_sns_gnn_id(scsi_qla_host_t *vha, sw_info_t *list)
929 {
930         int             rval;
931         struct qla_hw_data *ha = vha->hw;
932         uint16_t        i;
933         struct sns_cmd_pkt      *sns_cmd;
934
935         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
936                 /* Issue GNN_ID */
937                 /* Prepare SNS command request. */
938                 sns_cmd = qla2x00_prep_sns_cmd(vha, GNN_ID_CMD,
939                     GNN_ID_SNS_SCMD_LEN, GNN_ID_SNS_DATA_SIZE);
940
941                 /* Prepare SNS command arguments -- port_id. */
942                 sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
943                 sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
944                 sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
945
946                 /* Execute SNS command. */
947                 rval = qla2x00_send_sns(vha, ha->sns_cmd_dma,
948                     GNN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
949                 if (rval != QLA_SUCCESS) {
950                         /*EMPTY*/
951                         DEBUG2_3(printk("scsi(%ld): GNN_ID Send SNS failed "
952                             "(%d).\n", vha->host_no, rval));
953                 } else if (sns_cmd->p.gnn_data[8] != 0x80 ||
954                     sns_cmd->p.gnn_data[9] != 0x02) {
955                         DEBUG2_3(printk("scsi(%ld): GNN_ID failed, rejected "
956                             "request, gnn_rsp:\n", vha->host_no));
957                         DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gnn_data, 16));
958                         rval = QLA_FUNCTION_FAILED;
959                 } else {
960                         /* Save nodename */
961                         memcpy(list[i].node_name, &sns_cmd->p.gnn_data[16],
962                             WWN_SIZE);
963
964                         DEBUG2_3(printk("scsi(%ld): GID_PT entry - "
965                             "nn %02x%02x%02x%02x%02x%02x%02x%02x "
966                             "pn %02x%02x%02x%02x%02x%02x%02x%02x "
967                             "portid=%02x%02x%02x.\n",
968                             vha->host_no,
969                             list[i].node_name[0], list[i].node_name[1],
970                             list[i].node_name[2], list[i].node_name[3],
971                             list[i].node_name[4], list[i].node_name[5],
972                             list[i].node_name[6], list[i].node_name[7],
973                             list[i].port_name[0], list[i].port_name[1],
974                             list[i].port_name[2], list[i].port_name[3],
975                             list[i].port_name[4], list[i].port_name[5],
976                             list[i].port_name[6], list[i].port_name[7],
977                             list[i].d_id.b.domain, list[i].d_id.b.area,
978                             list[i].d_id.b.al_pa));
979                 }
980
981                 /* Last device exit. */
982                 if (list[i].d_id.b.rsvd_1 != 0)
983                         break;
984         }
985
986         return (rval);
987 }
988
989 /**
990  * qla2x00_snd_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
991  * @ha: HA context
992  *
993  * This command uses the old Exectute SNS Command mailbox routine.
994  *
995  * Returns 0 on success.
996  */
997 static int
998 qla2x00_sns_rft_id(scsi_qla_host_t *vha)
999 {
1000         int             rval;
1001         struct qla_hw_data *ha = vha->hw;
1002         struct sns_cmd_pkt      *sns_cmd;
1003
1004         /* Issue RFT_ID. */
1005         /* Prepare SNS command request. */
1006         sns_cmd = qla2x00_prep_sns_cmd(vha, RFT_ID_CMD, RFT_ID_SNS_SCMD_LEN,
1007             RFT_ID_SNS_DATA_SIZE);
1008
1009         /* Prepare SNS command arguments -- port_id, FC-4 types */
1010         sns_cmd->p.cmd.param[0] = vha->d_id.b.al_pa;
1011         sns_cmd->p.cmd.param[1] = vha->d_id.b.area;
1012         sns_cmd->p.cmd.param[2] = vha->d_id.b.domain;
1013
1014         sns_cmd->p.cmd.param[5] = 0x01;                 /* FCP-3 */
1015
1016         /* Execute SNS command. */
1017         rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, RFT_ID_SNS_CMD_SIZE / 2,
1018             sizeof(struct sns_cmd_pkt));
1019         if (rval != QLA_SUCCESS) {
1020                 /*EMPTY*/
1021                 DEBUG2_3(printk("scsi(%ld): RFT_ID Send SNS failed (%d).\n",
1022                     vha->host_no, rval));
1023         } else if (sns_cmd->p.rft_data[8] != 0x80 ||
1024             sns_cmd->p.rft_data[9] != 0x02) {
1025                 DEBUG2_3(printk("scsi(%ld): RFT_ID failed, rejected request, "
1026                     "rft_rsp:\n", vha->host_no));
1027                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.rft_data, 16));
1028                 rval = QLA_FUNCTION_FAILED;
1029         } else {
1030                 DEBUG2(printk("scsi(%ld): RFT_ID exiting normally.\n",
1031                     vha->host_no));
1032         }
1033
1034         return (rval);
1035 }
1036
1037 /**
1038  * qla2x00_sns_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
1039  * HBA.
1040  * @ha: HA context
1041  *
1042  * This command uses the old Exectute SNS Command mailbox routine.
1043  *
1044  * Returns 0 on success.
1045  */
1046 static int
1047 qla2x00_sns_rnn_id(scsi_qla_host_t *vha)
1048 {
1049         int             rval;
1050         struct qla_hw_data *ha = vha->hw;
1051         struct sns_cmd_pkt      *sns_cmd;
1052
1053         /* Issue RNN_ID. */
1054         /* Prepare SNS command request. */
1055         sns_cmd = qla2x00_prep_sns_cmd(vha, RNN_ID_CMD, RNN_ID_SNS_SCMD_LEN,
1056             RNN_ID_SNS_DATA_SIZE);
1057
1058         /* Prepare SNS command arguments -- port_id, nodename. */
1059         sns_cmd->p.cmd.param[0] = vha->d_id.b.al_pa;
1060         sns_cmd->p.cmd.param[1] = vha->d_id.b.area;
1061         sns_cmd->p.cmd.param[2] = vha->d_id.b.domain;
1062
1063         sns_cmd->p.cmd.param[4] = vha->node_name[7];
1064         sns_cmd->p.cmd.param[5] = vha->node_name[6];
1065         sns_cmd->p.cmd.param[6] = vha->node_name[5];
1066         sns_cmd->p.cmd.param[7] = vha->node_name[4];
1067         sns_cmd->p.cmd.param[8] = vha->node_name[3];
1068         sns_cmd->p.cmd.param[9] = vha->node_name[2];
1069         sns_cmd->p.cmd.param[10] = vha->node_name[1];
1070         sns_cmd->p.cmd.param[11] = vha->node_name[0];
1071
1072         /* Execute SNS command. */
1073         rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, RNN_ID_SNS_CMD_SIZE / 2,
1074             sizeof(struct sns_cmd_pkt));
1075         if (rval != QLA_SUCCESS) {
1076                 /*EMPTY*/
1077                 DEBUG2_3(printk("scsi(%ld): RNN_ID Send SNS failed (%d).\n",
1078                     vha->host_no, rval));
1079         } else if (sns_cmd->p.rnn_data[8] != 0x80 ||
1080             sns_cmd->p.rnn_data[9] != 0x02) {
1081                 DEBUG2_3(printk("scsi(%ld): RNN_ID failed, rejected request, "
1082                     "rnn_rsp:\n", vha->host_no));
1083                 DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.rnn_data, 16));
1084                 rval = QLA_FUNCTION_FAILED;
1085         } else {
1086                 DEBUG2(printk("scsi(%ld): RNN_ID exiting normally.\n",
1087                     vha->host_no));
1088         }
1089
1090         return (rval);
1091 }
1092
1093 /**
1094  * qla2x00_mgmt_svr_login() - Login to fabric Management Service.
1095  * @ha: HA context
1096  *
1097  * Returns 0 on success.
1098  */
1099 static int
1100 qla2x00_mgmt_svr_login(scsi_qla_host_t *vha)
1101 {
1102         int ret;
1103         uint16_t mb[MAILBOX_REGISTER_COUNT];
1104         struct qla_hw_data *ha = vha->hw;
1105         ret = QLA_SUCCESS;
1106         if (vha->flags.management_server_logged_in)
1107                 return ret;
1108
1109         ha->isp_ops->fabric_login(vha, vha->mgmt_svr_loop_id, 0xff, 0xff, 0xfa,
1110             mb, BIT_1);
1111         if (mb[0] != MBS_COMMAND_COMPLETE) {
1112                 DEBUG2_13(printk("%s(%ld): Failed MANAGEMENT_SERVER login: "
1113                     "loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x\n",
1114                     __func__, vha->host_no, vha->mgmt_svr_loop_id, mb[0], mb[1],
1115                     mb[2], mb[6], mb[7]));
1116                 ret = QLA_FUNCTION_FAILED;
1117         } else
1118                 vha->flags.management_server_logged_in = 1;
1119
1120         return ret;
1121 }
1122
1123 /**
1124  * qla2x00_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
1125  * @ha: HA context
1126  * @req_size: request size in bytes
1127  * @rsp_size: response size in bytes
1128  *
1129  * Returns a pointer to the @ha's ms_iocb.
1130  */
1131 void *
1132 qla2x00_prep_ms_fdmi_iocb(scsi_qla_host_t *vha, uint32_t req_size,
1133     uint32_t rsp_size)
1134 {
1135         ms_iocb_entry_t *ms_pkt;
1136         struct qla_hw_data *ha = vha->hw;
1137         ms_pkt = ha->ms_iocb;
1138         memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
1139
1140         ms_pkt->entry_type = MS_IOCB_TYPE;
1141         ms_pkt->entry_count = 1;
1142         SET_TARGET_ID(ha, ms_pkt->loop_id, vha->mgmt_svr_loop_id);
1143         ms_pkt->control_flags = __constant_cpu_to_le16(CF_READ | CF_HEAD_TAG);
1144         ms_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1145         ms_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
1146         ms_pkt->total_dsd_count = __constant_cpu_to_le16(2);
1147         ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
1148         ms_pkt->req_bytecount = cpu_to_le32(req_size);
1149
1150         ms_pkt->dseg_req_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1151         ms_pkt->dseg_req_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1152         ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
1153
1154         ms_pkt->dseg_rsp_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1155         ms_pkt->dseg_rsp_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1156         ms_pkt->dseg_rsp_length = ms_pkt->rsp_bytecount;
1157
1158         return ms_pkt;
1159 }
1160
1161 /**
1162  * qla24xx_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
1163  * @ha: HA context
1164  * @req_size: request size in bytes
1165  * @rsp_size: response size in bytes
1166  *
1167  * Returns a pointer to the @ha's ms_iocb.
1168  */
1169 void *
1170 qla24xx_prep_ms_fdmi_iocb(scsi_qla_host_t *vha, uint32_t req_size,
1171     uint32_t rsp_size)
1172 {
1173         struct ct_entry_24xx *ct_pkt;
1174         struct qla_hw_data *ha = vha->hw;
1175
1176         ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1177         memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
1178
1179         ct_pkt->entry_type = CT_IOCB_TYPE;
1180         ct_pkt->entry_count = 1;
1181         ct_pkt->nport_handle = cpu_to_le16(vha->mgmt_svr_loop_id);
1182         ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1183         ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
1184         ct_pkt->rsp_dsd_count = __constant_cpu_to_le16(1);
1185         ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
1186         ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1187
1188         ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1189         ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1190         ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
1191
1192         ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1193         ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1194         ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
1195         ct_pkt->vp_index = vha->vp_idx;
1196
1197         return ct_pkt;
1198 }
1199
1200 static inline ms_iocb_entry_t *
1201 qla2x00_update_ms_fdmi_iocb(scsi_qla_host_t *vha, uint32_t req_size)
1202 {
1203         struct qla_hw_data *ha = vha->hw;
1204         ms_iocb_entry_t *ms_pkt = ha->ms_iocb;
1205         struct ct_entry_24xx *ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1206
1207         if (IS_FWI2_CAPABLE(ha)) {
1208                 ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1209                 ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
1210         } else {
1211                 ms_pkt->req_bytecount = cpu_to_le32(req_size);
1212                 ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
1213         }
1214
1215         return ms_pkt;
1216 }
1217
1218 /**
1219  * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
1220  * @ct_req: CT request buffer
1221  * @cmd: GS command
1222  * @rsp_size: response size in bytes
1223  *
1224  * Returns a pointer to the intitialized @ct_req.
1225  */
1226 static inline struct ct_sns_req *
1227 qla2x00_prep_ct_fdmi_req(struct ct_sns_req *ct_req, uint16_t cmd,
1228     uint16_t rsp_size)
1229 {
1230         memset(ct_req, 0, sizeof(struct ct_sns_pkt));
1231
1232         ct_req->header.revision = 0x01;
1233         ct_req->header.gs_type = 0xFA;
1234         ct_req->header.gs_subtype = 0x10;
1235         ct_req->command = cpu_to_be16(cmd);
1236         ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
1237
1238         return ct_req;
1239 }
1240
1241 /**
1242  * qla2x00_fdmi_rhba() -
1243  * @ha: HA context
1244  *
1245  * Returns 0 on success.
1246  */
1247 static int
1248 qla2x00_fdmi_rhba(scsi_qla_host_t *vha)
1249 {
1250         int rval, alen;
1251         uint32_t size, sn;
1252
1253         ms_iocb_entry_t *ms_pkt;
1254         struct ct_sns_req *ct_req;
1255         struct ct_sns_rsp *ct_rsp;
1256         uint8_t *entries;
1257         struct ct_fdmi_hba_attr *eiter;
1258         struct qla_hw_data *ha = vha->hw;
1259
1260         /* Issue RHBA */
1261         /* Prepare common MS IOCB */
1262         /*   Request size adjusted after CT preparation */
1263         ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, 0, RHBA_RSP_SIZE);
1264
1265         /* Prepare CT request */
1266         ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, RHBA_CMD,
1267             RHBA_RSP_SIZE);
1268         ct_rsp = &ha->ct_sns->p.rsp;
1269
1270         /* Prepare FDMI command arguments -- attribute block, attributes. */
1271         memcpy(ct_req->req.rhba.hba_identifier, vha->port_name, WWN_SIZE);
1272         ct_req->req.rhba.entry_count = __constant_cpu_to_be32(1);
1273         memcpy(ct_req->req.rhba.port_name, vha->port_name, WWN_SIZE);
1274         size = 2 * WWN_SIZE + 4 + 4;
1275
1276         /* Attributes */
1277         ct_req->req.rhba.attrs.count =
1278             __constant_cpu_to_be32(FDMI_HBA_ATTR_COUNT);
1279         entries = ct_req->req.rhba.hba_identifier;
1280
1281         /* Nodename. */
1282         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1283         eiter->type = __constant_cpu_to_be16(FDMI_HBA_NODE_NAME);
1284         eiter->len = __constant_cpu_to_be16(4 + WWN_SIZE);
1285         memcpy(eiter->a.node_name, vha->node_name, WWN_SIZE);
1286         size += 4 + WWN_SIZE;
1287
1288         DEBUG13(printk("%s(%ld): NODENAME=%02x%02x%02x%02x%02x%02x%02x%02x.\n",
1289             __func__, vha->host_no,
1290             eiter->a.node_name[0], eiter->a.node_name[1], eiter->a.node_name[2],
1291             eiter->a.node_name[3], eiter->a.node_name[4], eiter->a.node_name[5],
1292             eiter->a.node_name[6], eiter->a.node_name[7]));
1293
1294         /* Manufacturer. */
1295         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1296         eiter->type = __constant_cpu_to_be16(FDMI_HBA_MANUFACTURER);
1297         strcpy(eiter->a.manufacturer, "QLogic Corporation");
1298         alen = strlen(eiter->a.manufacturer);
1299         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1300         eiter->len = cpu_to_be16(4 + alen);
1301         size += 4 + alen;
1302
1303         DEBUG13(printk("%s(%ld): MANUFACTURER=%s.\n", __func__, vha->host_no,
1304             eiter->a.manufacturer));
1305
1306         /* Serial number. */
1307         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1308         eiter->type = __constant_cpu_to_be16(FDMI_HBA_SERIAL_NUMBER);
1309         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
1310         sprintf(eiter->a.serial_num, "%c%05d", 'A' + sn / 100000, sn % 100000);
1311         alen = strlen(eiter->a.serial_num);
1312         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1313         eiter->len = cpu_to_be16(4 + alen);
1314         size += 4 + alen;
1315
1316         DEBUG13(printk("%s(%ld): SERIALNO=%s.\n", __func__, vha->host_no,
1317             eiter->a.serial_num));
1318
1319         /* Model name. */
1320         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1321         eiter->type = __constant_cpu_to_be16(FDMI_HBA_MODEL);
1322         strcpy(eiter->a.model, ha->model_number);
1323         alen = strlen(eiter->a.model);
1324         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1325         eiter->len = cpu_to_be16(4 + alen);
1326         size += 4 + alen;
1327
1328         DEBUG13(printk("%s(%ld): MODEL_NAME=%s.\n", __func__, vha->host_no,
1329             eiter->a.model));
1330
1331         /* Model description. */
1332         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1333         eiter->type = __constant_cpu_to_be16(FDMI_HBA_MODEL_DESCRIPTION);
1334         if (ha->model_desc)
1335                 strncpy(eiter->a.model_desc, ha->model_desc, 80);
1336         alen = strlen(eiter->a.model_desc);
1337         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1338         eiter->len = cpu_to_be16(4 + alen);
1339         size += 4 + alen;
1340
1341         DEBUG13(printk("%s(%ld): MODEL_DESC=%s.\n", __func__, vha->host_no,
1342             eiter->a.model_desc));
1343
1344         /* Hardware version. */
1345         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1346         eiter->type = __constant_cpu_to_be16(FDMI_HBA_HARDWARE_VERSION);
1347         strcpy(eiter->a.hw_version, ha->adapter_id);
1348         alen = strlen(eiter->a.hw_version);
1349         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1350         eiter->len = cpu_to_be16(4 + alen);
1351         size += 4 + alen;
1352
1353         DEBUG13(printk("%s(%ld): HARDWAREVER=%s.\n", __func__, vha->host_no,
1354             eiter->a.hw_version));
1355
1356         /* Driver version. */
1357         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1358         eiter->type = __constant_cpu_to_be16(FDMI_HBA_DRIVER_VERSION);
1359         strcpy(eiter->a.driver_version, qla2x00_version_str);
1360         alen = strlen(eiter->a.driver_version);
1361         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1362         eiter->len = cpu_to_be16(4 + alen);
1363         size += 4 + alen;
1364
1365         DEBUG13(printk("%s(%ld): DRIVERVER=%s.\n", __func__, vha->host_no,
1366             eiter->a.driver_version));
1367
1368         /* Option ROM version. */
1369         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1370         eiter->type = __constant_cpu_to_be16(FDMI_HBA_OPTION_ROM_VERSION);
1371         strcpy(eiter->a.orom_version, "0.00");
1372         alen = strlen(eiter->a.orom_version);
1373         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1374         eiter->len = cpu_to_be16(4 + alen);
1375         size += 4 + alen;
1376
1377         DEBUG13(printk("%s(%ld): OPTROMVER=%s.\n", __func__, vha->host_no,
1378             eiter->a.orom_version));
1379
1380         /* Firmware version */
1381         eiter = (struct ct_fdmi_hba_attr *) (entries + size);
1382         eiter->type = __constant_cpu_to_be16(FDMI_HBA_FIRMWARE_VERSION);
1383         ha->isp_ops->fw_version_str(vha, eiter->a.fw_version);
1384         alen = strlen(eiter->a.fw_version);
1385         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1386         eiter->len = cpu_to_be16(4 + alen);
1387         size += 4 + alen;
1388
1389         DEBUG13(printk("%s(%ld): FIRMWAREVER=%s.\n", __func__, vha->host_no,
1390             eiter->a.fw_version));
1391
1392         /* Update MS request size. */
1393         qla2x00_update_ms_fdmi_iocb(vha, size + 16);
1394
1395         DEBUG13(printk("%s(%ld): RHBA identifier="
1396             "%02x%02x%02x%02x%02x%02x%02x%02x size=%d.\n", __func__,
1397             vha->host_no, ct_req->req.rhba.hba_identifier[0],
1398             ct_req->req.rhba.hba_identifier[1],
1399             ct_req->req.rhba.hba_identifier[2],
1400             ct_req->req.rhba.hba_identifier[3],
1401             ct_req->req.rhba.hba_identifier[4],
1402             ct_req->req.rhba.hba_identifier[5],
1403             ct_req->req.rhba.hba_identifier[6],
1404             ct_req->req.rhba.hba_identifier[7], size));
1405         DEBUG13(qla2x00_dump_buffer(entries, size));
1406
1407         /* Execute MS IOCB */
1408         rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
1409             sizeof(ms_iocb_entry_t));
1410         if (rval != QLA_SUCCESS) {
1411                 /*EMPTY*/
1412                 DEBUG2_3(printk("scsi(%ld): RHBA issue IOCB failed (%d).\n",
1413                     vha->host_no, rval));
1414         } else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RHBA") !=
1415             QLA_SUCCESS) {
1416                 rval = QLA_FUNCTION_FAILED;
1417                 if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
1418                     ct_rsp->header.explanation_code ==
1419                     CT_EXPL_ALREADY_REGISTERED) {
1420                         DEBUG2_13(printk("%s(%ld): HBA already registered.\n",
1421                             __func__, vha->host_no));
1422                         rval = QLA_ALREADY_REGISTERED;
1423                 }
1424         } else {
1425                 DEBUG2(printk("scsi(%ld): RHBA exiting normally.\n",
1426                     vha->host_no));
1427         }
1428
1429         return rval;
1430 }
1431
1432 /**
1433  * qla2x00_fdmi_dhba() -
1434  * @ha: HA context
1435  *
1436  * Returns 0 on success.
1437  */
1438 static int
1439 qla2x00_fdmi_dhba(scsi_qla_host_t *vha)
1440 {
1441         int rval;
1442         struct qla_hw_data *ha = vha->hw;
1443         ms_iocb_entry_t *ms_pkt;
1444         struct ct_sns_req *ct_req;
1445         struct ct_sns_rsp *ct_rsp;
1446
1447         /* Issue RPA */
1448         /* Prepare common MS IOCB */
1449         ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, DHBA_REQ_SIZE,
1450             DHBA_RSP_SIZE);
1451
1452         /* Prepare CT request */
1453         ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, DHBA_CMD,
1454             DHBA_RSP_SIZE);
1455         ct_rsp = &ha->ct_sns->p.rsp;
1456
1457         /* Prepare FDMI command arguments -- portname. */
1458         memcpy(ct_req->req.dhba.port_name, vha->port_name, WWN_SIZE);
1459
1460         DEBUG13(printk("%s(%ld): DHBA portname="
1461             "%02x%02x%02x%02x%02x%02x%02x%02x.\n", __func__, vha->host_no,
1462             ct_req->req.dhba.port_name[0], ct_req->req.dhba.port_name[1],
1463             ct_req->req.dhba.port_name[2], ct_req->req.dhba.port_name[3],
1464             ct_req->req.dhba.port_name[4], ct_req->req.dhba.port_name[5],
1465             ct_req->req.dhba.port_name[6], ct_req->req.dhba.port_name[7]));
1466
1467         /* Execute MS IOCB */
1468         rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
1469             sizeof(ms_iocb_entry_t));
1470         if (rval != QLA_SUCCESS) {
1471                 /*EMPTY*/
1472                 DEBUG2_3(printk("scsi(%ld): DHBA issue IOCB failed (%d).\n",
1473                     vha->host_no, rval));
1474         } else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "DHBA") !=
1475             QLA_SUCCESS) {
1476                 rval = QLA_FUNCTION_FAILED;
1477         } else {
1478                 DEBUG2(printk("scsi(%ld): DHBA exiting normally.\n",
1479                     vha->host_no));
1480         }
1481
1482         return rval;
1483 }
1484
1485 /**
1486  * qla2x00_fdmi_rpa() -
1487  * @ha: HA context
1488  *
1489  * Returns 0 on success.
1490  */
1491 static int
1492 qla2x00_fdmi_rpa(scsi_qla_host_t *vha)
1493 {
1494         int rval, alen;
1495         uint32_t size, max_frame_size;
1496         struct qla_hw_data *ha = vha->hw;
1497         ms_iocb_entry_t *ms_pkt;
1498         struct ct_sns_req *ct_req;
1499         struct ct_sns_rsp *ct_rsp;
1500         uint8_t *entries;
1501         struct ct_fdmi_port_attr *eiter;
1502         struct init_cb_24xx *icb24 = (struct init_cb_24xx *)ha->init_cb;
1503
1504         /* Issue RPA */
1505         /* Prepare common MS IOCB */
1506         /*   Request size adjusted after CT preparation */
1507         ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, 0, RPA_RSP_SIZE);
1508
1509         /* Prepare CT request */
1510         ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, RPA_CMD,
1511             RPA_RSP_SIZE);
1512         ct_rsp = &ha->ct_sns->p.rsp;
1513
1514         /* Prepare FDMI command arguments -- attribute block, attributes. */
1515         memcpy(ct_req->req.rpa.port_name, vha->port_name, WWN_SIZE);
1516         size = WWN_SIZE + 4;
1517
1518         /* Attributes */
1519         ct_req->req.rpa.attrs.count =
1520             __constant_cpu_to_be32(FDMI_PORT_ATTR_COUNT - 1);
1521         entries = ct_req->req.rpa.port_name;
1522
1523         /* FC4 types. */
1524         eiter = (struct ct_fdmi_port_attr *) (entries + size);
1525         eiter->type = __constant_cpu_to_be16(FDMI_PORT_FC4_TYPES);
1526         eiter->len = __constant_cpu_to_be16(4 + 32);
1527         eiter->a.fc4_types[2] = 0x01;
1528         size += 4 + 32;
1529
1530         DEBUG13(printk("%s(%ld): FC4_TYPES=%02x %02x.\n", __func__,
1531                 vha->host_no, eiter->a.fc4_types[2],
1532                 eiter->a.fc4_types[1]));
1533
1534         /* Supported speed. */
1535         eiter = (struct ct_fdmi_port_attr *) (entries + size);
1536         eiter->type = __constant_cpu_to_be16(FDMI_PORT_SUPPORT_SPEED);
1537         eiter->len = __constant_cpu_to_be16(4 + 4);
1538         if (IS_QLA81XX(ha))
1539                 eiter->a.sup_speed = __constant_cpu_to_be32(
1540                     FDMI_PORT_SPEED_10GB);
1541         else if (IS_QLA25XX(ha))
1542                 eiter->a.sup_speed = __constant_cpu_to_be32(
1543                     FDMI_PORT_SPEED_1GB|FDMI_PORT_SPEED_2GB|
1544                     FDMI_PORT_SPEED_4GB|FDMI_PORT_SPEED_8GB);
1545         else if (IS_QLA24XX_TYPE(ha))
1546                 eiter->a.sup_speed = __constant_cpu_to_be32(
1547                     FDMI_PORT_SPEED_1GB|FDMI_PORT_SPEED_2GB|
1548                     FDMI_PORT_SPEED_4GB);
1549         else if (IS_QLA23XX(ha))
1550                 eiter->a.sup_speed =__constant_cpu_to_be32(
1551                     FDMI_PORT_SPEED_1GB|FDMI_PORT_SPEED_2GB);
1552         else
1553                 eiter->a.sup_speed = __constant_cpu_to_be32(
1554                     FDMI_PORT_SPEED_1GB);
1555         size += 4 + 4;
1556
1557         DEBUG13(printk("%s(%ld): SUPPORTED_SPEED=%x.\n", __func__, vha->host_no,
1558             eiter->a.sup_speed));
1559
1560         /* Current speed. */
1561         eiter = (struct ct_fdmi_port_attr *) (entries + size);
1562         eiter->type = __constant_cpu_to_be16(FDMI_PORT_CURRENT_SPEED);
1563         eiter->len = __constant_cpu_to_be16(4 + 4);
1564         switch (ha->link_data_rate) {
1565         case PORT_SPEED_1GB:
1566                 eiter->a.cur_speed =
1567                     __constant_cpu_to_be32(FDMI_PORT_SPEED_1GB);
1568                 break;
1569         case PORT_SPEED_2GB:
1570                 eiter->a.cur_speed =
1571                     __constant_cpu_to_be32(FDMI_PORT_SPEED_2GB);
1572                 break;
1573         case PORT_SPEED_4GB:
1574                 eiter->a.cur_speed =
1575                     __constant_cpu_to_be32(FDMI_PORT_SPEED_4GB);
1576                 break;
1577         case PORT_SPEED_8GB:
1578                 eiter->a.cur_speed =
1579                     __constant_cpu_to_be32(FDMI_PORT_SPEED_8GB);
1580                 break;
1581         case PORT_SPEED_10GB:
1582                 eiter->a.cur_speed =
1583                     __constant_cpu_to_be32(FDMI_PORT_SPEED_10GB);
1584                 break;
1585         default:
1586                 eiter->a.cur_speed =
1587                     __constant_cpu_to_be32(FDMI_PORT_SPEED_UNKNOWN);
1588                 break;
1589         }
1590         size += 4 + 4;
1591
1592         DEBUG13(printk("%s(%ld): CURRENT_SPEED=%x.\n", __func__, vha->host_no,
1593             eiter->a.cur_speed));
1594
1595         /* Max frame size. */
1596         eiter = (struct ct_fdmi_port_attr *) (entries + size);
1597         eiter->type = __constant_cpu_to_be16(FDMI_PORT_MAX_FRAME_SIZE);
1598         eiter->len = __constant_cpu_to_be16(4 + 4);
1599         max_frame_size = IS_FWI2_CAPABLE(ha) ?
1600             le16_to_cpu(icb24->frame_payload_size):
1601             le16_to_cpu(ha->init_cb->frame_payload_size);
1602         eiter->a.max_frame_size = cpu_to_be32(max_frame_size);
1603         size += 4 + 4;
1604
1605         DEBUG13(printk("%s(%ld): MAX_FRAME_SIZE=%x.\n", __func__, vha->host_no,
1606             eiter->a.max_frame_size));
1607
1608         /* OS device name. */
1609         eiter = (struct ct_fdmi_port_attr *) (entries + size);
1610         eiter->type = __constant_cpu_to_be16(FDMI_PORT_OS_DEVICE_NAME);
1611         strcpy(eiter->a.os_dev_name, QLA2XXX_DRIVER_NAME);
1612         alen = strlen(eiter->a.os_dev_name);
1613         alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1614         eiter->len = cpu_to_be16(4 + alen);
1615         size += 4 + alen;
1616
1617         DEBUG13(printk("%s(%ld): OS_DEVICE_NAME=%s.\n", __func__, vha->host_no,
1618             eiter->a.os_dev_name));
1619
1620         /* Hostname. */
1621         if (strlen(fc_host_system_hostname(vha->host))) {
1622                 ct_req->req.rpa.attrs.count =
1623                     __constant_cpu_to_be32(FDMI_PORT_ATTR_COUNT);
1624                 eiter = (struct ct_fdmi_port_attr *) (entries + size);
1625                 eiter->type = __constant_cpu_to_be16(FDMI_PORT_HOST_NAME);
1626                 snprintf(eiter->a.host_name, sizeof(eiter->a.host_name),
1627                     "%s", fc_host_system_hostname(vha->host));
1628                 alen = strlen(eiter->a.host_name);
1629                 alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1630                 eiter->len = cpu_to_be16(4 + alen);
1631                 size += 4 + alen;
1632
1633                 DEBUG13(printk("%s(%ld): HOSTNAME=%s.\n", __func__,
1634                     vha->host_no, eiter->a.host_name));
1635         }
1636
1637         /* Update MS request size. */
1638         qla2x00_update_ms_fdmi_iocb(vha, size + 16);
1639
1640         DEBUG13(printk("%s(%ld): RPA portname="
1641             "%02x%02x%02x%02x%02x%02x%02x%02x size=%d.\n", __func__,
1642             vha->host_no, ct_req->req.rpa.port_name[0],
1643             ct_req->req.rpa.port_name[1], ct_req->req.rpa.port_name[2],
1644             ct_req->req.rpa.port_name[3], ct_req->req.rpa.port_name[4],
1645             ct_req->req.rpa.port_name[5], ct_req->req.rpa.port_name[6],
1646             ct_req->req.rpa.port_name[7], size));
1647         DEBUG13(qla2x00_dump_buffer(entries, size));
1648
1649         /* Execute MS IOCB */
1650         rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
1651             sizeof(ms_iocb_entry_t));
1652         if (rval != QLA_SUCCESS) {
1653                 /*EMPTY*/
1654                 DEBUG2_3(printk("scsi(%ld): RPA issue IOCB failed (%d).\n",
1655                     vha->host_no, rval));
1656         } else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RPA") !=
1657             QLA_SUCCESS) {
1658                 rval = QLA_FUNCTION_FAILED;
1659         } else {
1660                 DEBUG2(printk("scsi(%ld): RPA exiting normally.\n",
1661                     vha->host_no));
1662         }
1663
1664         return rval;
1665 }
1666
1667 /**
1668  * qla2x00_fdmi_register() -
1669  * @ha: HA context
1670  *
1671  * Returns 0 on success.
1672  */
1673 int
1674 qla2x00_fdmi_register(scsi_qla_host_t *vha)
1675 {
1676         int rval;
1677
1678         rval = qla2x00_mgmt_svr_login(vha);
1679         if (rval)
1680                 return rval;
1681
1682         rval = qla2x00_fdmi_rhba(vha);
1683         if (rval) {
1684                 if (rval != QLA_ALREADY_REGISTERED)
1685                         return rval;
1686
1687                 rval = qla2x00_fdmi_dhba(vha);
1688                 if (rval)
1689                         return rval;
1690
1691                 rval = qla2x00_fdmi_rhba(vha);
1692                 if (rval)
1693                         return rval;
1694         }
1695         rval = qla2x00_fdmi_rpa(vha);
1696
1697         return rval;
1698 }
1699
1700 /**
1701  * qla2x00_gfpn_id() - SNS Get Fabric Port Name (GFPN_ID) query.
1702  * @ha: HA context
1703  * @list: switch info entries to populate
1704  *
1705  * Returns 0 on success.
1706  */
1707 int
1708 qla2x00_gfpn_id(scsi_qla_host_t *vha, sw_info_t *list)
1709 {
1710         int             rval;
1711         uint16_t        i;
1712         struct qla_hw_data *ha = vha->hw;
1713         ms_iocb_entry_t *ms_pkt;
1714         struct ct_sns_req       *ct_req;
1715         struct ct_sns_rsp       *ct_rsp;
1716
1717         if (!IS_IIDMA_CAPABLE(ha))
1718                 return QLA_FUNCTION_FAILED;
1719
1720         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
1721                 /* Issue GFPN_ID */
1722                 /* Prepare common MS IOCB */
1723                 ms_pkt = ha->isp_ops->prep_ms_iocb(vha, GFPN_ID_REQ_SIZE,
1724                     GFPN_ID_RSP_SIZE);
1725
1726                 /* Prepare CT request */
1727                 ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GFPN_ID_CMD,
1728                     GFPN_ID_RSP_SIZE);
1729                 ct_rsp = &ha->ct_sns->p.rsp;
1730
1731                 /* Prepare CT arguments -- port_id */
1732                 ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
1733                 ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
1734                 ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
1735
1736                 /* Execute MS IOCB */
1737                 rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
1738                     sizeof(ms_iocb_entry_t));
1739                 if (rval != QLA_SUCCESS) {
1740                         /*EMPTY*/
1741                         DEBUG2_3(printk("scsi(%ld): GFPN_ID issue IOCB "
1742                             "failed (%d).\n", vha->host_no, rval));
1743                 } else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
1744                     "GFPN_ID") != QLA_SUCCESS) {
1745                         rval = QLA_FUNCTION_FAILED;
1746                 } else {
1747                         /* Save fabric portname */
1748                         memcpy(list[i].fabric_port_name,
1749                             ct_rsp->rsp.gfpn_id.port_name, WWN_SIZE);
1750                 }
1751
1752                 /* Last device exit. */
1753                 if (list[i].d_id.b.rsvd_1 != 0)
1754                         break;
1755         }
1756
1757         return (rval);
1758 }
1759
1760 static inline void *
1761 qla24xx_prep_ms_fm_iocb(scsi_qla_host_t *vha, uint32_t req_size,
1762     uint32_t rsp_size)
1763 {
1764         struct ct_entry_24xx *ct_pkt;
1765         struct qla_hw_data *ha = vha->hw;
1766         ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1767         memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
1768
1769         ct_pkt->entry_type = CT_IOCB_TYPE;
1770         ct_pkt->entry_count = 1;
1771         ct_pkt->nport_handle = cpu_to_le16(vha->mgmt_svr_loop_id);
1772         ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1773         ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
1774         ct_pkt->rsp_dsd_count = __constant_cpu_to_le16(1);
1775         ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
1776         ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1777
1778         ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1779         ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1780         ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
1781
1782         ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1783         ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1784         ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
1785         ct_pkt->vp_index = vha->vp_idx;
1786
1787         return ct_pkt;
1788 }
1789
1790
1791 static inline struct ct_sns_req *
1792 qla24xx_prep_ct_fm_req(struct ct_sns_req *ct_req, uint16_t cmd,
1793     uint16_t rsp_size)
1794 {
1795         memset(ct_req, 0, sizeof(struct ct_sns_pkt));
1796
1797         ct_req->header.revision = 0x01;
1798         ct_req->header.gs_type = 0xFA;
1799         ct_req->header.gs_subtype = 0x01;
1800         ct_req->command = cpu_to_be16(cmd);
1801         ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
1802
1803         return ct_req;
1804 }
1805
1806 /**
1807  * qla2x00_gpsc() - FCS Get Port Speed Capabilities (GPSC) query.
1808  * @ha: HA context
1809  * @list: switch info entries to populate
1810  *
1811  * Returns 0 on success.
1812  */
1813 int
1814 qla2x00_gpsc(scsi_qla_host_t *vha, sw_info_t *list)
1815 {
1816         int             rval;
1817         uint16_t        i;
1818         struct qla_hw_data *ha = vha->hw;
1819         ms_iocb_entry_t *ms_pkt;
1820         struct ct_sns_req       *ct_req;
1821         struct ct_sns_rsp       *ct_rsp;
1822
1823         if (!IS_IIDMA_CAPABLE(ha))
1824                 return QLA_FUNCTION_FAILED;
1825         if (!ha->flags.gpsc_supported)
1826                 return QLA_FUNCTION_FAILED;
1827
1828         rval = qla2x00_mgmt_svr_login(vha);
1829         if (rval)
1830                 return rval;
1831
1832         for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
1833                 /* Issue GFPN_ID */
1834                 /* Prepare common MS IOCB */
1835                 ms_pkt = qla24xx_prep_ms_fm_iocb(vha, GPSC_REQ_SIZE,
1836                     GPSC_RSP_SIZE);
1837
1838                 /* Prepare CT request */
1839                 ct_req = qla24xx_prep_ct_fm_req(&ha->ct_sns->p.req,
1840                     GPSC_CMD, GPSC_RSP_SIZE);
1841                 ct_rsp = &ha->ct_sns->p.rsp;
1842
1843                 /* Prepare CT arguments -- port_name */
1844                 memcpy(ct_req->req.gpsc.port_name, list[i].fabric_port_name,
1845                     WWN_SIZE);
1846
1847                 /* Execute MS IOCB */
1848                 rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
1849                     sizeof(ms_iocb_entry_t));
1850                 if (rval != QLA_SUCCESS) {
1851                         /*EMPTY*/
1852                         DEBUG2_3(printk("scsi(%ld): GPSC issue IOCB "
1853                             "failed (%d).\n", vha->host_no, rval));
1854                 } else if ((rval = qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
1855                     "GPSC")) != QLA_SUCCESS) {
1856                         /* FM command unsupported? */
1857                         if (rval == QLA_INVALID_COMMAND &&
1858                             (ct_rsp->header.reason_code ==
1859                                 CT_REASON_INVALID_COMMAND_CODE ||
1860                              ct_rsp->header.reason_code ==
1861                                 CT_REASON_COMMAND_UNSUPPORTED)) {
1862                                 DEBUG2(printk("scsi(%ld): GPSC command "
1863                                     "unsupported, disabling query...\n",
1864                                     vha->host_no));
1865                                 ha->flags.gpsc_supported = 0;
1866                                 rval = QLA_FUNCTION_FAILED;
1867                                 break;
1868                         }
1869                         rval = QLA_FUNCTION_FAILED;
1870                 } else {
1871                         /* Save port-speed */
1872                         switch (be16_to_cpu(ct_rsp->rsp.gpsc.speed)) {
1873                         case BIT_15:
1874                                 list[i].fp_speed = PORT_SPEED_1GB;
1875                                 break;
1876                         case BIT_14:
1877                                 list[i].fp_speed = PORT_SPEED_2GB;
1878                                 break;
1879                         case BIT_13:
1880                                 list[i].fp_speed = PORT_SPEED_4GB;
1881                                 break;
1882                         case BIT_11:
1883                                 list[i].fp_speed = PORT_SPEED_8GB;
1884                                 break;
1885                         }
1886
1887                         DEBUG2_3(printk("scsi(%ld): GPSC ext entry - "
1888                             "fpn %02x%02x%02x%02x%02x%02x%02x%02x speeds=%04x "
1889                             "speed=%04x.\n", vha->host_no,
1890                             list[i].fabric_port_name[0],
1891                             list[i].fabric_port_name[1],
1892                             list[i].fabric_port_name[2],
1893                             list[i].fabric_port_name[3],
1894                             list[i].fabric_port_name[4],
1895                             list[i].fabric_port_name[5],
1896                             list[i].fabric_port_name[6],
1897                             list[i].fabric_port_name[7],
1898                             be16_to_cpu(ct_rsp->rsp.gpsc.speeds),
1899                             be16_to_cpu(ct_rsp->rsp.gpsc.speed)));
1900                 }
1901
1902                 /* Last device exit. */
1903                 if (list[i].d_id.b.rsvd_1 != 0)
1904                         break;
1905         }
1906
1907         return (rval);
1908 }