xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_gs.c (revision a1e58bbd)
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2005 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8 
9 static inline struct ct_sns_req *
10 qla2x00_prep_ct_req(struct ct_sns_req *, uint16_t, uint16_t);
11 
12 static inline struct sns_cmd_pkt *
13 qla2x00_prep_sns_cmd(scsi_qla_host_t *, uint16_t, uint16_t, uint16_t);
14 
15 static int qla2x00_sns_ga_nxt(scsi_qla_host_t *, fc_port_t *);
16 static int qla2x00_sns_gid_pt(scsi_qla_host_t *, sw_info_t *);
17 static int qla2x00_sns_gpn_id(scsi_qla_host_t *, sw_info_t *);
18 static int qla2x00_sns_gnn_id(scsi_qla_host_t *, sw_info_t *);
19 static int qla2x00_sns_rft_id(scsi_qla_host_t *);
20 static int qla2x00_sns_rnn_id(scsi_qla_host_t *);
21 
22 /**
23  * qla2x00_prep_ms_iocb() - Prepare common MS/CT IOCB fields for SNS CT query.
24  * @ha: HA context
25  * @req_size: request size in bytes
26  * @rsp_size: response size in bytes
27  *
28  * Returns a pointer to the @ha's ms_iocb.
29  */
30 void *
31 qla2x00_prep_ms_iocb(scsi_qla_host_t *ha, uint32_t req_size, uint32_t rsp_size)
32 {
33 	ms_iocb_entry_t *ms_pkt;
34 
35 	ms_pkt = ha->ms_iocb;
36 	memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
37 
38 	ms_pkt->entry_type = MS_IOCB_TYPE;
39 	ms_pkt->entry_count = 1;
40 	SET_TARGET_ID(ha, ms_pkt->loop_id, SIMPLE_NAME_SERVER);
41 	ms_pkt->control_flags = __constant_cpu_to_le16(CF_READ | CF_HEAD_TAG);
42 	ms_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
43 	ms_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
44 	ms_pkt->total_dsd_count = __constant_cpu_to_le16(2);
45 	ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
46 	ms_pkt->req_bytecount = cpu_to_le32(req_size);
47 
48 	ms_pkt->dseg_req_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
49 	ms_pkt->dseg_req_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
50 	ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
51 
52 	ms_pkt->dseg_rsp_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
53 	ms_pkt->dseg_rsp_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
54 	ms_pkt->dseg_rsp_length = ms_pkt->rsp_bytecount;
55 
56 	return (ms_pkt);
57 }
58 
59 /**
60  * qla24xx_prep_ms_iocb() - Prepare common CT IOCB fields for SNS CT query.
61  * @ha: HA context
62  * @req_size: request size in bytes
63  * @rsp_size: response size in bytes
64  *
65  * Returns a pointer to the @ha's ms_iocb.
66  */
67 void *
68 qla24xx_prep_ms_iocb(scsi_qla_host_t *ha, uint32_t req_size, uint32_t rsp_size)
69 {
70 	struct ct_entry_24xx *ct_pkt;
71 
72 	ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
73 	memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
74 
75 	ct_pkt->entry_type = CT_IOCB_TYPE;
76 	ct_pkt->entry_count = 1;
77 	ct_pkt->nport_handle = __constant_cpu_to_le16(NPH_SNS);
78 	ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
79 	ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
80 	ct_pkt->rsp_dsd_count = __constant_cpu_to_le16(1);
81 	ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
82 	ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
83 
84 	ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
85 	ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
86 	ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
87 
88 	ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
89 	ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
90 	ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
91 	ct_pkt->vp_index = ha->vp_idx;
92 
93 	return (ct_pkt);
94 }
95 
96 /**
97  * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
98  * @ct_req: CT request buffer
99  * @cmd: GS command
100  * @rsp_size: response size in bytes
101  *
102  * Returns a pointer to the intitialized @ct_req.
103  */
104 static inline struct ct_sns_req *
105 qla2x00_prep_ct_req(struct ct_sns_req *ct_req, uint16_t cmd, uint16_t rsp_size)
106 {
107 	memset(ct_req, 0, sizeof(struct ct_sns_pkt));
108 
109 	ct_req->header.revision = 0x01;
110 	ct_req->header.gs_type = 0xFC;
111 	ct_req->header.gs_subtype = 0x02;
112 	ct_req->command = cpu_to_be16(cmd);
113 	ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
114 
115 	return (ct_req);
116 }
117 
118 static int
119 qla2x00_chk_ms_status(scsi_qla_host_t *ha, ms_iocb_entry_t *ms_pkt,
120     struct ct_sns_rsp *ct_rsp, const char *routine)
121 {
122 	int rval;
123 	uint16_t comp_status;
124 
125 	rval = QLA_FUNCTION_FAILED;
126 	if (ms_pkt->entry_status != 0) {
127 		DEBUG2_3(printk("scsi(%ld): %s failed, error status (%x).\n",
128 		    ha->host_no, routine, ms_pkt->entry_status));
129 	} else {
130 		if (IS_FWI2_CAPABLE(ha))
131 			comp_status = le16_to_cpu(
132 			    ((struct ct_entry_24xx *)ms_pkt)->comp_status);
133 		else
134 			comp_status = le16_to_cpu(ms_pkt->status);
135 		switch (comp_status) {
136 		case CS_COMPLETE:
137 		case CS_DATA_UNDERRUN:
138 		case CS_DATA_OVERRUN:		/* Overrun? */
139 			if (ct_rsp->header.response !=
140 			    __constant_cpu_to_be16(CT_ACCEPT_RESPONSE)) {
141 				DEBUG2_3(printk("scsi(%ld): %s failed, "
142 				    "rejected request:\n", ha->host_no,
143 				    routine));
144 				DEBUG2_3(qla2x00_dump_buffer(
145 				    (uint8_t *)&ct_rsp->header,
146 				    sizeof(struct ct_rsp_hdr)));
147 				rval = QLA_INVALID_COMMAND;
148 			} else
149 				rval = QLA_SUCCESS;
150 			break;
151 		default:
152 			DEBUG2_3(printk("scsi(%ld): %s failed, completion "
153 			    "status (%x).\n", ha->host_no, routine,
154 			    comp_status));
155 			break;
156 		}
157 	}
158 	return rval;
159 }
160 
161 /**
162  * qla2x00_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
163  * @ha: HA context
164  * @fcport: fcport entry to updated
165  *
166  * Returns 0 on success.
167  */
168 int
169 qla2x00_ga_nxt(scsi_qla_host_t *ha, fc_port_t *fcport)
170 {
171 	int		rval;
172 
173 	ms_iocb_entry_t	*ms_pkt;
174 	struct ct_sns_req	*ct_req;
175 	struct ct_sns_rsp	*ct_rsp;
176 
177 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
178 		return (qla2x00_sns_ga_nxt(ha, fcport));
179 	}
180 
181 	/* Issue GA_NXT */
182 	/* Prepare common MS IOCB */
183 	ms_pkt = ha->isp_ops->prep_ms_iocb(ha, GA_NXT_REQ_SIZE,
184 	    GA_NXT_RSP_SIZE);
185 
186 	/* Prepare CT request */
187 	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GA_NXT_CMD,
188 	    GA_NXT_RSP_SIZE);
189 	ct_rsp = &ha->ct_sns->p.rsp;
190 
191 	/* Prepare CT arguments -- port_id */
192 	ct_req->req.port_id.port_id[0] = fcport->d_id.b.domain;
193 	ct_req->req.port_id.port_id[1] = fcport->d_id.b.area;
194 	ct_req->req.port_id.port_id[2] = fcport->d_id.b.al_pa;
195 
196 	/* Execute MS IOCB */
197 	rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
198 	    sizeof(ms_iocb_entry_t));
199 	if (rval != QLA_SUCCESS) {
200 		/*EMPTY*/
201 		DEBUG2_3(printk("scsi(%ld): GA_NXT issue IOCB failed (%d).\n",
202 		    ha->host_no, rval));
203 	} else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "GA_NXT") !=
204 	    QLA_SUCCESS) {
205 		rval = QLA_FUNCTION_FAILED;
206 	} else {
207 		/* Populate fc_port_t entry. */
208 		fcport->d_id.b.domain = ct_rsp->rsp.ga_nxt.port_id[0];
209 		fcport->d_id.b.area = ct_rsp->rsp.ga_nxt.port_id[1];
210 		fcport->d_id.b.al_pa = ct_rsp->rsp.ga_nxt.port_id[2];
211 
212 		memcpy(fcport->node_name, ct_rsp->rsp.ga_nxt.node_name,
213 		    WWN_SIZE);
214 		memcpy(fcport->port_name, ct_rsp->rsp.ga_nxt.port_name,
215 		    WWN_SIZE);
216 
217 		if (ct_rsp->rsp.ga_nxt.port_type != NS_N_PORT_TYPE &&
218 		    ct_rsp->rsp.ga_nxt.port_type != NS_NL_PORT_TYPE)
219 			fcport->d_id.b.domain = 0xf0;
220 
221 		DEBUG2_3(printk("scsi(%ld): GA_NXT entry - "
222 		    "nn %02x%02x%02x%02x%02x%02x%02x%02x "
223 		    "pn %02x%02x%02x%02x%02x%02x%02x%02x "
224 		    "portid=%02x%02x%02x.\n",
225 		    ha->host_no,
226 		    fcport->node_name[0], fcport->node_name[1],
227 		    fcport->node_name[2], fcport->node_name[3],
228 		    fcport->node_name[4], fcport->node_name[5],
229 		    fcport->node_name[6], fcport->node_name[7],
230 		    fcport->port_name[0], fcport->port_name[1],
231 		    fcport->port_name[2], fcport->port_name[3],
232 		    fcport->port_name[4], fcport->port_name[5],
233 		    fcport->port_name[6], fcport->port_name[7],
234 		    fcport->d_id.b.domain, fcport->d_id.b.area,
235 		    fcport->d_id.b.al_pa));
236 	}
237 
238 	return (rval);
239 }
240 
241 /**
242  * qla2x00_gid_pt() - SNS scan for fabric devices via GID_PT command.
243  * @ha: HA context
244  * @list: switch info entries to populate
245  *
246  * NOTE: Non-Nx_Ports are not requested.
247  *
248  * Returns 0 on success.
249  */
250 int
251 qla2x00_gid_pt(scsi_qla_host_t *ha, sw_info_t *list)
252 {
253 	int		rval;
254 	uint16_t	i;
255 
256 	ms_iocb_entry_t	*ms_pkt;
257 	struct ct_sns_req	*ct_req;
258 	struct ct_sns_rsp	*ct_rsp;
259 
260 	struct ct_sns_gid_pt_data *gid_data;
261 
262 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
263 		return (qla2x00_sns_gid_pt(ha, list));
264 	}
265 
266 	gid_data = NULL;
267 
268 	/* Issue GID_PT */
269 	/* Prepare common MS IOCB */
270 	ms_pkt = ha->isp_ops->prep_ms_iocb(ha, GID_PT_REQ_SIZE,
271 	    GID_PT_RSP_SIZE);
272 
273 	/* Prepare CT request */
274 	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GID_PT_CMD,
275 	    GID_PT_RSP_SIZE);
276 	ct_rsp = &ha->ct_sns->p.rsp;
277 
278 	/* Prepare CT arguments -- port_type */
279 	ct_req->req.gid_pt.port_type = NS_NX_PORT_TYPE;
280 
281 	/* Execute MS IOCB */
282 	rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
283 	    sizeof(ms_iocb_entry_t));
284 	if (rval != QLA_SUCCESS) {
285 		/*EMPTY*/
286 		DEBUG2_3(printk("scsi(%ld): GID_PT issue IOCB failed (%d).\n",
287 		    ha->host_no, rval));
288 	} else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "GID_PT") !=
289 	    QLA_SUCCESS) {
290 		rval = QLA_FUNCTION_FAILED;
291 	} else {
292 		/* Set port IDs in switch info list. */
293 		for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
294 			gid_data = &ct_rsp->rsp.gid_pt.entries[i];
295 			list[i].d_id.b.domain = gid_data->port_id[0];
296 			list[i].d_id.b.area = gid_data->port_id[1];
297 			list[i].d_id.b.al_pa = gid_data->port_id[2];
298 			memset(list[i].fabric_port_name, 0, WWN_SIZE);
299 			list[i].fp_speed = PORT_SPEED_UNKNOWN;
300 
301 			/* Last one exit. */
302 			if (gid_data->control_byte & BIT_7) {
303 				list[i].d_id.b.rsvd_1 = gid_data->control_byte;
304 				break;
305 			}
306 		}
307 
308 		/*
309 		 * If we've used all available slots, then the switch is
310 		 * reporting back more devices than we can handle with this
311 		 * single call.  Return a failed status, and let GA_NXT handle
312 		 * the overload.
313 		 */
314 		if (i == MAX_FIBRE_DEVICES)
315 			rval = QLA_FUNCTION_FAILED;
316 	}
317 
318 	return (rval);
319 }
320 
321 /**
322  * qla2x00_gpn_id() - SNS Get Port Name (GPN_ID) query.
323  * @ha: HA context
324  * @list: switch info entries to populate
325  *
326  * Returns 0 on success.
327  */
328 int
329 qla2x00_gpn_id(scsi_qla_host_t *ha, sw_info_t *list)
330 {
331 	int		rval;
332 	uint16_t	i;
333 
334 	ms_iocb_entry_t	*ms_pkt;
335 	struct ct_sns_req	*ct_req;
336 	struct ct_sns_rsp	*ct_rsp;
337 
338 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
339 		return (qla2x00_sns_gpn_id(ha, list));
340 	}
341 
342 	for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
343 		/* Issue GPN_ID */
344 		/* Prepare common MS IOCB */
345 		ms_pkt = ha->isp_ops->prep_ms_iocb(ha, GPN_ID_REQ_SIZE,
346 		    GPN_ID_RSP_SIZE);
347 
348 		/* Prepare CT request */
349 		ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GPN_ID_CMD,
350 		    GPN_ID_RSP_SIZE);
351 		ct_rsp = &ha->ct_sns->p.rsp;
352 
353 		/* Prepare CT arguments -- port_id */
354 		ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
355 		ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
356 		ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
357 
358 		/* Execute MS IOCB */
359 		rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
360 		    sizeof(ms_iocb_entry_t));
361 		if (rval != QLA_SUCCESS) {
362 			/*EMPTY*/
363 			DEBUG2_3(printk("scsi(%ld): GPN_ID issue IOCB failed "
364 			    "(%d).\n", ha->host_no, rval));
365 		} else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp,
366 		    "GPN_ID") != QLA_SUCCESS) {
367 			rval = QLA_FUNCTION_FAILED;
368 		} else {
369 			/* Save portname */
370 			memcpy(list[i].port_name,
371 			    ct_rsp->rsp.gpn_id.port_name, WWN_SIZE);
372 		}
373 
374 		/* Last device exit. */
375 		if (list[i].d_id.b.rsvd_1 != 0)
376 			break;
377 	}
378 
379 	return (rval);
380 }
381 
382 /**
383  * qla2x00_gnn_id() - SNS Get Node Name (GNN_ID) query.
384  * @ha: HA context
385  * @list: switch info entries to populate
386  *
387  * Returns 0 on success.
388  */
389 int
390 qla2x00_gnn_id(scsi_qla_host_t *ha, sw_info_t *list)
391 {
392 	int		rval;
393 	uint16_t	i;
394 
395 	ms_iocb_entry_t	*ms_pkt;
396 	struct ct_sns_req	*ct_req;
397 	struct ct_sns_rsp	*ct_rsp;
398 
399 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
400 		return (qla2x00_sns_gnn_id(ha, list));
401 	}
402 
403 	for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
404 		/* Issue GNN_ID */
405 		/* Prepare common MS IOCB */
406 		ms_pkt = ha->isp_ops->prep_ms_iocb(ha, GNN_ID_REQ_SIZE,
407 		    GNN_ID_RSP_SIZE);
408 
409 		/* Prepare CT request */
410 		ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GNN_ID_CMD,
411 		    GNN_ID_RSP_SIZE);
412 		ct_rsp = &ha->ct_sns->p.rsp;
413 
414 		/* Prepare CT arguments -- port_id */
415 		ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
416 		ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
417 		ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
418 
419 		/* Execute MS IOCB */
420 		rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
421 		    sizeof(ms_iocb_entry_t));
422 		if (rval != QLA_SUCCESS) {
423 			/*EMPTY*/
424 			DEBUG2_3(printk("scsi(%ld): GNN_ID issue IOCB failed "
425 			    "(%d).\n", ha->host_no, rval));
426 		} else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp,
427 		    "GNN_ID") != QLA_SUCCESS) {
428 			rval = QLA_FUNCTION_FAILED;
429 		} else {
430 			/* Save nodename */
431 			memcpy(list[i].node_name,
432 			    ct_rsp->rsp.gnn_id.node_name, WWN_SIZE);
433 
434 			DEBUG2_3(printk("scsi(%ld): GID_PT entry - "
435 			    "nn %02x%02x%02x%02x%02x%02x%02x%02x "
436 			    "pn %02x%02x%02x%02x%02x%02x%02x%02x "
437 			    "portid=%02x%02x%02x.\n",
438 			    ha->host_no,
439 			    list[i].node_name[0], list[i].node_name[1],
440 			    list[i].node_name[2], list[i].node_name[3],
441 			    list[i].node_name[4], list[i].node_name[5],
442 			    list[i].node_name[6], list[i].node_name[7],
443 			    list[i].port_name[0], list[i].port_name[1],
444 			    list[i].port_name[2], list[i].port_name[3],
445 			    list[i].port_name[4], list[i].port_name[5],
446 			    list[i].port_name[6], list[i].port_name[7],
447 			    list[i].d_id.b.domain, list[i].d_id.b.area,
448 			    list[i].d_id.b.al_pa));
449 		}
450 
451 		/* Last device exit. */
452 		if (list[i].d_id.b.rsvd_1 != 0)
453 			break;
454 	}
455 
456 	return (rval);
457 }
458 
459 /**
460  * qla2x00_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
461  * @ha: HA context
462  *
463  * Returns 0 on success.
464  */
465 int
466 qla2x00_rft_id(scsi_qla_host_t *ha)
467 {
468 	int		rval;
469 
470 	ms_iocb_entry_t	*ms_pkt;
471 	struct ct_sns_req	*ct_req;
472 	struct ct_sns_rsp	*ct_rsp;
473 
474 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
475 		return (qla2x00_sns_rft_id(ha));
476 	}
477 
478 	/* Issue RFT_ID */
479 	/* Prepare common MS IOCB */
480 	ms_pkt = ha->isp_ops->prep_ms_iocb(ha, RFT_ID_REQ_SIZE,
481 	    RFT_ID_RSP_SIZE);
482 
483 	/* Prepare CT request */
484 	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFT_ID_CMD,
485 	    RFT_ID_RSP_SIZE);
486 	ct_rsp = &ha->ct_sns->p.rsp;
487 
488 	/* Prepare CT arguments -- port_id, FC-4 types */
489 	ct_req->req.rft_id.port_id[0] = ha->d_id.b.domain;
490 	ct_req->req.rft_id.port_id[1] = ha->d_id.b.area;
491 	ct_req->req.rft_id.port_id[2] = ha->d_id.b.al_pa;
492 
493 	ct_req->req.rft_id.fc4_types[2] = 0x01;		/* FCP-3 */
494 
495 	/* Execute MS IOCB */
496 	rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
497 	    sizeof(ms_iocb_entry_t));
498 	if (rval != QLA_SUCCESS) {
499 		/*EMPTY*/
500 		DEBUG2_3(printk("scsi(%ld): RFT_ID issue IOCB failed (%d).\n",
501 		    ha->host_no, rval));
502 	} else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RFT_ID") !=
503 	    QLA_SUCCESS) {
504 		rval = QLA_FUNCTION_FAILED;
505 	} else {
506 		DEBUG2(printk("scsi(%ld): RFT_ID exiting normally.\n",
507 		    ha->host_no));
508 	}
509 
510 	return (rval);
511 }
512 
513 /**
514  * qla2x00_rff_id() - SNS Register FC-4 Features (RFF_ID) supported by the HBA.
515  * @ha: HA context
516  *
517  * Returns 0 on success.
518  */
519 int
520 qla2x00_rff_id(scsi_qla_host_t *ha)
521 {
522 	int		rval;
523 
524 	ms_iocb_entry_t	*ms_pkt;
525 	struct ct_sns_req	*ct_req;
526 	struct ct_sns_rsp	*ct_rsp;
527 
528 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
529 		DEBUG2(printk("scsi(%ld): RFF_ID call unsupported on "
530 		    "ISP2100/ISP2200.\n", ha->host_no));
531 		return (QLA_SUCCESS);
532 	}
533 
534 	/* Issue RFF_ID */
535 	/* Prepare common MS IOCB */
536 	ms_pkt = ha->isp_ops->prep_ms_iocb(ha, RFF_ID_REQ_SIZE,
537 	    RFF_ID_RSP_SIZE);
538 
539 	/* Prepare CT request */
540 	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RFF_ID_CMD,
541 	    RFF_ID_RSP_SIZE);
542 	ct_rsp = &ha->ct_sns->p.rsp;
543 
544 	/* Prepare CT arguments -- port_id, FC-4 feature, FC-4 type */
545 	ct_req->req.rff_id.port_id[0] = ha->d_id.b.domain;
546 	ct_req->req.rff_id.port_id[1] = ha->d_id.b.area;
547 	ct_req->req.rff_id.port_id[2] = ha->d_id.b.al_pa;
548 
549 	ct_req->req.rff_id.fc4_feature = BIT_1;
550 	ct_req->req.rff_id.fc4_type = 0x08;		/* SCSI - FCP */
551 
552 	/* Execute MS IOCB */
553 	rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
554 	    sizeof(ms_iocb_entry_t));
555 	if (rval != QLA_SUCCESS) {
556 		/*EMPTY*/
557 		DEBUG2_3(printk("scsi(%ld): RFF_ID issue IOCB failed (%d).\n",
558 		    ha->host_no, rval));
559 	} else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RFF_ID") !=
560 	    QLA_SUCCESS) {
561 		rval = QLA_FUNCTION_FAILED;
562 	} else {
563 		DEBUG2(printk("scsi(%ld): RFF_ID exiting normally.\n",
564 		    ha->host_no));
565 	}
566 
567 	return (rval);
568 }
569 
570 /**
571  * qla2x00_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
572  * @ha: HA context
573  *
574  * Returns 0 on success.
575  */
576 int
577 qla2x00_rnn_id(scsi_qla_host_t *ha)
578 {
579 	int		rval;
580 
581 	ms_iocb_entry_t	*ms_pkt;
582 	struct ct_sns_req	*ct_req;
583 	struct ct_sns_rsp	*ct_rsp;
584 
585 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
586 		return (qla2x00_sns_rnn_id(ha));
587 	}
588 
589 	/* Issue RNN_ID */
590 	/* Prepare common MS IOCB */
591 	ms_pkt = ha->isp_ops->prep_ms_iocb(ha, RNN_ID_REQ_SIZE,
592 	    RNN_ID_RSP_SIZE);
593 
594 	/* Prepare CT request */
595 	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RNN_ID_CMD,
596 	    RNN_ID_RSP_SIZE);
597 	ct_rsp = &ha->ct_sns->p.rsp;
598 
599 	/* Prepare CT arguments -- port_id, node_name */
600 	ct_req->req.rnn_id.port_id[0] = ha->d_id.b.domain;
601 	ct_req->req.rnn_id.port_id[1] = ha->d_id.b.area;
602 	ct_req->req.rnn_id.port_id[2] = ha->d_id.b.al_pa;
603 
604 	memcpy(ct_req->req.rnn_id.node_name, ha->node_name, WWN_SIZE);
605 
606 	/* Execute MS IOCB */
607 	rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
608 	    sizeof(ms_iocb_entry_t));
609 	if (rval != QLA_SUCCESS) {
610 		/*EMPTY*/
611 		DEBUG2_3(printk("scsi(%ld): RNN_ID issue IOCB failed (%d).\n",
612 		    ha->host_no, rval));
613 	} else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RNN_ID") !=
614 	    QLA_SUCCESS) {
615 		rval = QLA_FUNCTION_FAILED;
616 	} else {
617 		DEBUG2(printk("scsi(%ld): RNN_ID exiting normally.\n",
618 		    ha->host_no));
619 	}
620 
621 	return (rval);
622 }
623 
624 void
625 qla2x00_get_sym_node_name(scsi_qla_host_t *ha, uint8_t *snn)
626 {
627 	sprintf(snn, "%s FW:v%d.%02d.%02d DVR:v%s",ha->model_number,
628 	    ha->fw_major_version, ha->fw_minor_version,
629 	    ha->fw_subminor_version, qla2x00_version_str);
630 }
631 
632 /**
633  * qla2x00_rsnn_nn() - SNS Register Symbolic Node Name (RSNN_NN) of the HBA.
634  * @ha: HA context
635  *
636  * Returns 0 on success.
637  */
638 int
639 qla2x00_rsnn_nn(scsi_qla_host_t *ha)
640 {
641 	int		rval;
642 	ms_iocb_entry_t	*ms_pkt;
643 	struct ct_sns_req	*ct_req;
644 	struct ct_sns_rsp	*ct_rsp;
645 
646 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
647 		DEBUG2(printk("scsi(%ld): RSNN_ID call unsupported on "
648 		    "ISP2100/ISP2200.\n", ha->host_no));
649 		return (QLA_SUCCESS);
650 	}
651 
652 	/* Issue RSNN_NN */
653 	/* Prepare common MS IOCB */
654 	/*   Request size adjusted after CT preparation */
655 	ms_pkt = ha->isp_ops->prep_ms_iocb(ha, 0, RSNN_NN_RSP_SIZE);
656 
657 	/* Prepare CT request */
658 	ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, RSNN_NN_CMD,
659 	    RSNN_NN_RSP_SIZE);
660 	ct_rsp = &ha->ct_sns->p.rsp;
661 
662 	/* Prepare CT arguments -- node_name, symbolic node_name, size */
663 	memcpy(ct_req->req.rsnn_nn.node_name, ha->node_name, WWN_SIZE);
664 
665 	/* Prepare the Symbolic Node Name */
666 	qla2x00_get_sym_node_name(ha, ct_req->req.rsnn_nn.sym_node_name);
667 
668 	/* Calculate SNN length */
669 	ct_req->req.rsnn_nn.name_len =
670 	    (uint8_t)strlen(ct_req->req.rsnn_nn.sym_node_name);
671 
672 	/* Update MS IOCB request */
673 	ms_pkt->req_bytecount =
674 	    cpu_to_le32(24 + 1 + ct_req->req.rsnn_nn.name_len);
675 	ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
676 
677 	/* Execute MS IOCB */
678 	rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
679 	    sizeof(ms_iocb_entry_t));
680 	if (rval != QLA_SUCCESS) {
681 		/*EMPTY*/
682 		DEBUG2_3(printk("scsi(%ld): RSNN_NN issue IOCB failed (%d).\n",
683 		    ha->host_no, rval));
684 	} else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RSNN_NN") !=
685 	    QLA_SUCCESS) {
686 		rval = QLA_FUNCTION_FAILED;
687 	} else {
688 		DEBUG2(printk("scsi(%ld): RSNN_NN exiting normally.\n",
689 		    ha->host_no));
690 	}
691 
692 	return (rval);
693 }
694 
695 /**
696  * qla2x00_prep_sns_cmd() - Prepare common SNS command request fields for query.
697  * @ha: HA context
698  * @cmd: GS command
699  * @scmd_len: Subcommand length
700  * @data_size: response size in bytes
701  *
702  * Returns a pointer to the @ha's sns_cmd.
703  */
704 static inline struct sns_cmd_pkt *
705 qla2x00_prep_sns_cmd(scsi_qla_host_t *ha, uint16_t cmd, uint16_t scmd_len,
706     uint16_t data_size)
707 {
708 	uint16_t		wc;
709 	struct sns_cmd_pkt	*sns_cmd;
710 
711 	sns_cmd = ha->sns_cmd;
712 	memset(sns_cmd, 0, sizeof(struct sns_cmd_pkt));
713 	wc = data_size / 2;			/* Size in 16bit words. */
714 	sns_cmd->p.cmd.buffer_length = cpu_to_le16(wc);
715 	sns_cmd->p.cmd.buffer_address[0] = cpu_to_le32(LSD(ha->sns_cmd_dma));
716 	sns_cmd->p.cmd.buffer_address[1] = cpu_to_le32(MSD(ha->sns_cmd_dma));
717 	sns_cmd->p.cmd.subcommand_length = cpu_to_le16(scmd_len);
718 	sns_cmd->p.cmd.subcommand = cpu_to_le16(cmd);
719 	wc = (data_size - 16) / 4;		/* Size in 32bit words. */
720 	sns_cmd->p.cmd.size = cpu_to_le16(wc);
721 
722 	return (sns_cmd);
723 }
724 
725 /**
726  * qla2x00_sns_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
727  * @ha: HA context
728  * @fcport: fcport entry to updated
729  *
730  * This command uses the old Exectute SNS Command mailbox routine.
731  *
732  * Returns 0 on success.
733  */
734 static int
735 qla2x00_sns_ga_nxt(scsi_qla_host_t *ha, fc_port_t *fcport)
736 {
737 	int		rval;
738 
739 	struct sns_cmd_pkt	*sns_cmd;
740 
741 	/* Issue GA_NXT. */
742 	/* Prepare SNS command request. */
743 	sns_cmd = qla2x00_prep_sns_cmd(ha, GA_NXT_CMD, GA_NXT_SNS_SCMD_LEN,
744 	    GA_NXT_SNS_DATA_SIZE);
745 
746 	/* Prepare SNS command arguments -- port_id. */
747 	sns_cmd->p.cmd.param[0] = fcport->d_id.b.al_pa;
748 	sns_cmd->p.cmd.param[1] = fcport->d_id.b.area;
749 	sns_cmd->p.cmd.param[2] = fcport->d_id.b.domain;
750 
751 	/* Execute SNS command. */
752 	rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, GA_NXT_SNS_CMD_SIZE / 2,
753 	    sizeof(struct sns_cmd_pkt));
754 	if (rval != QLA_SUCCESS) {
755 		/*EMPTY*/
756 		DEBUG2_3(printk("scsi(%ld): GA_NXT Send SNS failed (%d).\n",
757 		    ha->host_no, rval));
758 	} else if (sns_cmd->p.gan_data[8] != 0x80 ||
759 	    sns_cmd->p.gan_data[9] != 0x02) {
760 		DEBUG2_3(printk("scsi(%ld): GA_NXT failed, rejected request, "
761 		    "ga_nxt_rsp:\n", ha->host_no));
762 		DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gan_data, 16));
763 		rval = QLA_FUNCTION_FAILED;
764 	} else {
765 		/* Populate fc_port_t entry. */
766 		fcport->d_id.b.domain = sns_cmd->p.gan_data[17];
767 		fcport->d_id.b.area = sns_cmd->p.gan_data[18];
768 		fcport->d_id.b.al_pa = sns_cmd->p.gan_data[19];
769 
770 		memcpy(fcport->node_name, &sns_cmd->p.gan_data[284], WWN_SIZE);
771 		memcpy(fcport->port_name, &sns_cmd->p.gan_data[20], WWN_SIZE);
772 
773 		if (sns_cmd->p.gan_data[16] != NS_N_PORT_TYPE &&
774 		    sns_cmd->p.gan_data[16] != NS_NL_PORT_TYPE)
775 			fcport->d_id.b.domain = 0xf0;
776 
777 		DEBUG2_3(printk("scsi(%ld): GA_NXT entry - "
778 		    "nn %02x%02x%02x%02x%02x%02x%02x%02x "
779 		    "pn %02x%02x%02x%02x%02x%02x%02x%02x "
780 		    "portid=%02x%02x%02x.\n",
781 		    ha->host_no,
782 		    fcport->node_name[0], fcport->node_name[1],
783 		    fcport->node_name[2], fcport->node_name[3],
784 		    fcport->node_name[4], fcport->node_name[5],
785 		    fcport->node_name[6], fcport->node_name[7],
786 		    fcport->port_name[0], fcport->port_name[1],
787 		    fcport->port_name[2], fcport->port_name[3],
788 		    fcport->port_name[4], fcport->port_name[5],
789 		    fcport->port_name[6], fcport->port_name[7],
790 		    fcport->d_id.b.domain, fcport->d_id.b.area,
791 		    fcport->d_id.b.al_pa));
792 	}
793 
794 	return (rval);
795 }
796 
797 /**
798  * qla2x00_sns_gid_pt() - SNS scan for fabric devices via GID_PT command.
799  * @ha: HA context
800  * @list: switch info entries to populate
801  *
802  * This command uses the old Exectute SNS Command mailbox routine.
803  *
804  * NOTE: Non-Nx_Ports are not requested.
805  *
806  * Returns 0 on success.
807  */
808 static int
809 qla2x00_sns_gid_pt(scsi_qla_host_t *ha, sw_info_t *list)
810 {
811 	int		rval;
812 
813 	uint16_t	i;
814 	uint8_t		*entry;
815 	struct sns_cmd_pkt	*sns_cmd;
816 
817 	/* Issue GID_PT. */
818 	/* Prepare SNS command request. */
819 	sns_cmd = qla2x00_prep_sns_cmd(ha, GID_PT_CMD, GID_PT_SNS_SCMD_LEN,
820 	    GID_PT_SNS_DATA_SIZE);
821 
822 	/* Prepare SNS command arguments -- port_type. */
823 	sns_cmd->p.cmd.param[0] = NS_NX_PORT_TYPE;
824 
825 	/* Execute SNS command. */
826 	rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, GID_PT_SNS_CMD_SIZE / 2,
827 	    sizeof(struct sns_cmd_pkt));
828 	if (rval != QLA_SUCCESS) {
829 		/*EMPTY*/
830 		DEBUG2_3(printk("scsi(%ld): GID_PT Send SNS failed (%d).\n",
831 		    ha->host_no, rval));
832 	} else if (sns_cmd->p.gid_data[8] != 0x80 ||
833 	    sns_cmd->p.gid_data[9] != 0x02) {
834 		DEBUG2_3(printk("scsi(%ld): GID_PT failed, rejected request, "
835 		    "gid_rsp:\n", ha->host_no));
836 		DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gid_data, 16));
837 		rval = QLA_FUNCTION_FAILED;
838 	} else {
839 		/* Set port IDs in switch info list. */
840 		for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
841 			entry = &sns_cmd->p.gid_data[(i * 4) + 16];
842 			list[i].d_id.b.domain = entry[1];
843 			list[i].d_id.b.area = entry[2];
844 			list[i].d_id.b.al_pa = entry[3];
845 
846 			/* Last one exit. */
847 			if (entry[0] & BIT_7) {
848 				list[i].d_id.b.rsvd_1 = entry[0];
849 				break;
850 			}
851 		}
852 
853 		/*
854 		 * If we've used all available slots, then the switch is
855 		 * reporting back more devices that we can handle with this
856 		 * single call.  Return a failed status, and let GA_NXT handle
857 		 * the overload.
858 		 */
859 		if (i == MAX_FIBRE_DEVICES)
860 			rval = QLA_FUNCTION_FAILED;
861 	}
862 
863 	return (rval);
864 }
865 
866 /**
867  * qla2x00_sns_gpn_id() - SNS Get Port Name (GPN_ID) query.
868  * @ha: HA context
869  * @list: switch info entries to populate
870  *
871  * This command uses the old Exectute SNS Command mailbox routine.
872  *
873  * Returns 0 on success.
874  */
875 static int
876 qla2x00_sns_gpn_id(scsi_qla_host_t *ha, sw_info_t *list)
877 {
878 	int		rval;
879 
880 	uint16_t	i;
881 	struct sns_cmd_pkt	*sns_cmd;
882 
883 	for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
884 		/* Issue GPN_ID */
885 		/* Prepare SNS command request. */
886 		sns_cmd = qla2x00_prep_sns_cmd(ha, GPN_ID_CMD,
887 		    GPN_ID_SNS_SCMD_LEN, GPN_ID_SNS_DATA_SIZE);
888 
889 		/* Prepare SNS command arguments -- port_id. */
890 		sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
891 		sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
892 		sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
893 
894 		/* Execute SNS command. */
895 		rval = qla2x00_send_sns(ha, ha->sns_cmd_dma,
896 		    GPN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
897 		if (rval != QLA_SUCCESS) {
898 			/*EMPTY*/
899 			DEBUG2_3(printk("scsi(%ld): GPN_ID Send SNS failed "
900 			    "(%d).\n", ha->host_no, rval));
901 		} else if (sns_cmd->p.gpn_data[8] != 0x80 ||
902 		    sns_cmd->p.gpn_data[9] != 0x02) {
903 			DEBUG2_3(printk("scsi(%ld): GPN_ID failed, rejected "
904 			    "request, gpn_rsp:\n", ha->host_no));
905 			DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gpn_data, 16));
906 			rval = QLA_FUNCTION_FAILED;
907 		} else {
908 			/* Save portname */
909 			memcpy(list[i].port_name, &sns_cmd->p.gpn_data[16],
910 			    WWN_SIZE);
911 		}
912 
913 		/* Last device exit. */
914 		if (list[i].d_id.b.rsvd_1 != 0)
915 			break;
916 	}
917 
918 	return (rval);
919 }
920 
921 /**
922  * qla2x00_sns_gnn_id() - SNS Get Node Name (GNN_ID) query.
923  * @ha: HA context
924  * @list: switch info entries to populate
925  *
926  * This command uses the old Exectute SNS Command mailbox routine.
927  *
928  * Returns 0 on success.
929  */
930 static int
931 qla2x00_sns_gnn_id(scsi_qla_host_t *ha, sw_info_t *list)
932 {
933 	int		rval;
934 
935 	uint16_t	i;
936 	struct sns_cmd_pkt	*sns_cmd;
937 
938 	for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
939 		/* Issue GNN_ID */
940 		/* Prepare SNS command request. */
941 		sns_cmd = qla2x00_prep_sns_cmd(ha, GNN_ID_CMD,
942 		    GNN_ID_SNS_SCMD_LEN, GNN_ID_SNS_DATA_SIZE);
943 
944 		/* Prepare SNS command arguments -- port_id. */
945 		sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
946 		sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
947 		sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
948 
949 		/* Execute SNS command. */
950 		rval = qla2x00_send_sns(ha, ha->sns_cmd_dma,
951 		    GNN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
952 		if (rval != QLA_SUCCESS) {
953 			/*EMPTY*/
954 			DEBUG2_3(printk("scsi(%ld): GNN_ID Send SNS failed "
955 			    "(%d).\n", ha->host_no, rval));
956 		} else if (sns_cmd->p.gnn_data[8] != 0x80 ||
957 		    sns_cmd->p.gnn_data[9] != 0x02) {
958 			DEBUG2_3(printk("scsi(%ld): GNN_ID failed, rejected "
959 			    "request, gnn_rsp:\n", ha->host_no));
960 			DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.gnn_data, 16));
961 			rval = QLA_FUNCTION_FAILED;
962 		} else {
963 			/* Save nodename */
964 			memcpy(list[i].node_name, &sns_cmd->p.gnn_data[16],
965 			    WWN_SIZE);
966 
967 			DEBUG2_3(printk("scsi(%ld): GID_PT entry - "
968 			    "nn %02x%02x%02x%02x%02x%02x%02x%02x "
969 			    "pn %02x%02x%02x%02x%02x%02x%02x%02x "
970 			    "portid=%02x%02x%02x.\n",
971 			    ha->host_no,
972 			    list[i].node_name[0], list[i].node_name[1],
973 			    list[i].node_name[2], list[i].node_name[3],
974 			    list[i].node_name[4], list[i].node_name[5],
975 			    list[i].node_name[6], list[i].node_name[7],
976 			    list[i].port_name[0], list[i].port_name[1],
977 			    list[i].port_name[2], list[i].port_name[3],
978 			    list[i].port_name[4], list[i].port_name[5],
979 			    list[i].port_name[6], list[i].port_name[7],
980 			    list[i].d_id.b.domain, list[i].d_id.b.area,
981 			    list[i].d_id.b.al_pa));
982 		}
983 
984 		/* Last device exit. */
985 		if (list[i].d_id.b.rsvd_1 != 0)
986 			break;
987 	}
988 
989 	return (rval);
990 }
991 
992 /**
993  * qla2x00_snd_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
994  * @ha: HA context
995  *
996  * This command uses the old Exectute SNS Command mailbox routine.
997  *
998  * Returns 0 on success.
999  */
1000 static int
1001 qla2x00_sns_rft_id(scsi_qla_host_t *ha)
1002 {
1003 	int		rval;
1004 
1005 	struct sns_cmd_pkt	*sns_cmd;
1006 
1007 	/* Issue RFT_ID. */
1008 	/* Prepare SNS command request. */
1009 	sns_cmd = qla2x00_prep_sns_cmd(ha, RFT_ID_CMD, RFT_ID_SNS_SCMD_LEN,
1010 	    RFT_ID_SNS_DATA_SIZE);
1011 
1012 	/* Prepare SNS command arguments -- port_id, FC-4 types */
1013 	sns_cmd->p.cmd.param[0] = ha->d_id.b.al_pa;
1014 	sns_cmd->p.cmd.param[1] = ha->d_id.b.area;
1015 	sns_cmd->p.cmd.param[2] = ha->d_id.b.domain;
1016 
1017 	sns_cmd->p.cmd.param[5] = 0x01;			/* FCP-3 */
1018 
1019 	/* Execute SNS command. */
1020 	rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, RFT_ID_SNS_CMD_SIZE / 2,
1021 	    sizeof(struct sns_cmd_pkt));
1022 	if (rval != QLA_SUCCESS) {
1023 		/*EMPTY*/
1024 		DEBUG2_3(printk("scsi(%ld): RFT_ID Send SNS failed (%d).\n",
1025 		    ha->host_no, rval));
1026 	} else if (sns_cmd->p.rft_data[8] != 0x80 ||
1027 	    sns_cmd->p.rft_data[9] != 0x02) {
1028 		DEBUG2_3(printk("scsi(%ld): RFT_ID failed, rejected request, "
1029 		    "rft_rsp:\n", ha->host_no));
1030 		DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.rft_data, 16));
1031 		rval = QLA_FUNCTION_FAILED;
1032 	} else {
1033 		DEBUG2(printk("scsi(%ld): RFT_ID exiting normally.\n",
1034 		    ha->host_no));
1035 	}
1036 
1037 	return (rval);
1038 }
1039 
1040 /**
1041  * qla2x00_sns_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
1042  * HBA.
1043  * @ha: HA context
1044  *
1045  * This command uses the old Exectute SNS Command mailbox routine.
1046  *
1047  * Returns 0 on success.
1048  */
1049 static int
1050 qla2x00_sns_rnn_id(scsi_qla_host_t *ha)
1051 {
1052 	int		rval;
1053 
1054 	struct sns_cmd_pkt	*sns_cmd;
1055 
1056 	/* Issue RNN_ID. */
1057 	/* Prepare SNS command request. */
1058 	sns_cmd = qla2x00_prep_sns_cmd(ha, RNN_ID_CMD, RNN_ID_SNS_SCMD_LEN,
1059 	    RNN_ID_SNS_DATA_SIZE);
1060 
1061 	/* Prepare SNS command arguments -- port_id, nodename. */
1062 	sns_cmd->p.cmd.param[0] = ha->d_id.b.al_pa;
1063 	sns_cmd->p.cmd.param[1] = ha->d_id.b.area;
1064 	sns_cmd->p.cmd.param[2] = ha->d_id.b.domain;
1065 
1066 	sns_cmd->p.cmd.param[4] = ha->node_name[7];
1067 	sns_cmd->p.cmd.param[5] = ha->node_name[6];
1068 	sns_cmd->p.cmd.param[6] = ha->node_name[5];
1069 	sns_cmd->p.cmd.param[7] = ha->node_name[4];
1070 	sns_cmd->p.cmd.param[8] = ha->node_name[3];
1071 	sns_cmd->p.cmd.param[9] = ha->node_name[2];
1072 	sns_cmd->p.cmd.param[10] = ha->node_name[1];
1073 	sns_cmd->p.cmd.param[11] = ha->node_name[0];
1074 
1075 	/* Execute SNS command. */
1076 	rval = qla2x00_send_sns(ha, ha->sns_cmd_dma, RNN_ID_SNS_CMD_SIZE / 2,
1077 	    sizeof(struct sns_cmd_pkt));
1078 	if (rval != QLA_SUCCESS) {
1079 		/*EMPTY*/
1080 		DEBUG2_3(printk("scsi(%ld): RNN_ID Send SNS failed (%d).\n",
1081 		    ha->host_no, rval));
1082 	} else if (sns_cmd->p.rnn_data[8] != 0x80 ||
1083 	    sns_cmd->p.rnn_data[9] != 0x02) {
1084 		DEBUG2_3(printk("scsi(%ld): RNN_ID failed, rejected request, "
1085 		    "rnn_rsp:\n", ha->host_no));
1086 		DEBUG2_3(qla2x00_dump_buffer(sns_cmd->p.rnn_data, 16));
1087 		rval = QLA_FUNCTION_FAILED;
1088 	} else {
1089 		DEBUG2(printk("scsi(%ld): RNN_ID exiting normally.\n",
1090 		    ha->host_no));
1091 	}
1092 
1093 	return (rval);
1094 }
1095 
1096 /**
1097  * qla2x00_mgmt_svr_login() - Login to fabric Management Service.
1098  * @ha: HA context
1099  *
1100  * Returns 0 on success.
1101  */
1102 static int
1103 qla2x00_mgmt_svr_login(scsi_qla_host_t *ha)
1104 {
1105 	int ret;
1106 	uint16_t mb[MAILBOX_REGISTER_COUNT];
1107 
1108 	ret = QLA_SUCCESS;
1109 	if (ha->flags.management_server_logged_in)
1110 		return ret;
1111 
1112 	ha->isp_ops->fabric_login(ha, ha->mgmt_svr_loop_id, 0xff, 0xff, 0xfa,
1113 	    mb, BIT_1);
1114 	if (mb[0] != MBS_COMMAND_COMPLETE) {
1115 		DEBUG2_13(printk("%s(%ld): Failed MANAGEMENT_SERVER login: "
1116 		    "loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x\n",
1117 		    __func__, ha->host_no, ha->mgmt_svr_loop_id, mb[0], mb[1],
1118 		    mb[2], mb[6], mb[7]));
1119 		ret = QLA_FUNCTION_FAILED;
1120 	} else
1121 		ha->flags.management_server_logged_in = 1;
1122 
1123 	return ret;
1124 }
1125 
1126 /**
1127  * qla2x00_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
1128  * @ha: HA context
1129  * @req_size: request size in bytes
1130  * @rsp_size: response size in bytes
1131  *
1132  * Returns a pointer to the @ha's ms_iocb.
1133  */
1134 void *
1135 qla2x00_prep_ms_fdmi_iocb(scsi_qla_host_t *ha, uint32_t req_size,
1136     uint32_t rsp_size)
1137 {
1138 	ms_iocb_entry_t *ms_pkt;
1139 
1140 	ms_pkt = ha->ms_iocb;
1141 	memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
1142 
1143 	ms_pkt->entry_type = MS_IOCB_TYPE;
1144 	ms_pkt->entry_count = 1;
1145 	SET_TARGET_ID(ha, ms_pkt->loop_id, ha->mgmt_svr_loop_id);
1146 	ms_pkt->control_flags = __constant_cpu_to_le16(CF_READ | CF_HEAD_TAG);
1147 	ms_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1148 	ms_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
1149 	ms_pkt->total_dsd_count = __constant_cpu_to_le16(2);
1150 	ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
1151 	ms_pkt->req_bytecount = cpu_to_le32(req_size);
1152 
1153 	ms_pkt->dseg_req_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1154 	ms_pkt->dseg_req_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1155 	ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
1156 
1157 	ms_pkt->dseg_rsp_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1158 	ms_pkt->dseg_rsp_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1159 	ms_pkt->dseg_rsp_length = ms_pkt->rsp_bytecount;
1160 
1161 	return ms_pkt;
1162 }
1163 
1164 /**
1165  * qla24xx_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
1166  * @ha: HA context
1167  * @req_size: request size in bytes
1168  * @rsp_size: response size in bytes
1169  *
1170  * Returns a pointer to the @ha's ms_iocb.
1171  */
1172 void *
1173 qla24xx_prep_ms_fdmi_iocb(scsi_qla_host_t *ha, uint32_t req_size,
1174     uint32_t rsp_size)
1175 {
1176 	struct ct_entry_24xx *ct_pkt;
1177 
1178 	ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1179 	memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
1180 
1181 	ct_pkt->entry_type = CT_IOCB_TYPE;
1182 	ct_pkt->entry_count = 1;
1183 	ct_pkt->nport_handle = cpu_to_le16(ha->mgmt_svr_loop_id);
1184 	ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1185 	ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
1186 	ct_pkt->rsp_dsd_count = __constant_cpu_to_le16(1);
1187 	ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
1188 	ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1189 
1190 	ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1191 	ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1192 	ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
1193 
1194 	ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1195 	ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1196 	ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
1197 	ct_pkt->vp_index = ha->vp_idx;
1198 
1199 	return ct_pkt;
1200 }
1201 
1202 static inline ms_iocb_entry_t *
1203 qla2x00_update_ms_fdmi_iocb(scsi_qla_host_t *ha, uint32_t req_size)
1204 {
1205 	ms_iocb_entry_t *ms_pkt = ha->ms_iocb;
1206 	struct ct_entry_24xx *ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1207 
1208 	if (IS_FWI2_CAPABLE(ha)) {
1209 		ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1210 		ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
1211 	} else {
1212 		ms_pkt->req_bytecount = cpu_to_le32(req_size);
1213 		ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
1214 	}
1215 
1216 	return ms_pkt;
1217 }
1218 
1219 /**
1220  * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
1221  * @ct_req: CT request buffer
1222  * @cmd: GS command
1223  * @rsp_size: response size in bytes
1224  *
1225  * Returns a pointer to the intitialized @ct_req.
1226  */
1227 static inline struct ct_sns_req *
1228 qla2x00_prep_ct_fdmi_req(struct ct_sns_req *ct_req, uint16_t cmd,
1229     uint16_t rsp_size)
1230 {
1231 	memset(ct_req, 0, sizeof(struct ct_sns_pkt));
1232 
1233 	ct_req->header.revision = 0x01;
1234 	ct_req->header.gs_type = 0xFA;
1235 	ct_req->header.gs_subtype = 0x10;
1236 	ct_req->command = cpu_to_be16(cmd);
1237 	ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
1238 
1239 	return ct_req;
1240 }
1241 
1242 /**
1243  * qla2x00_fdmi_rhba() -
1244  * @ha: HA context
1245  *
1246  * Returns 0 on success.
1247  */
1248 static int
1249 qla2x00_fdmi_rhba(scsi_qla_host_t *ha)
1250 {
1251 	int rval, alen;
1252 	uint32_t size, sn;
1253 
1254 	ms_iocb_entry_t *ms_pkt;
1255 	struct ct_sns_req *ct_req;
1256 	struct ct_sns_rsp *ct_rsp;
1257 	uint8_t *entries;
1258 	struct ct_fdmi_hba_attr *eiter;
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(ha, 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, ha->port_name, WWN_SIZE);
1272 	ct_req->req.rhba.entry_count = __constant_cpu_to_be32(1);
1273 	memcpy(ct_req->req.rhba.port_name, ha->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, ha->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__, ha->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__, ha->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__, ha->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__, ha->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__, ha->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__, ha->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__, ha->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__, ha->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(ha, 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__, ha->host_no,
1390 	    eiter->a.fw_version));
1391 
1392 	/* Update MS request size. */
1393 	qla2x00_update_ms_fdmi_iocb(ha, size + 16);
1394 
1395 	DEBUG13(printk("%s(%ld): RHBA identifier="
1396 	    "%02x%02x%02x%02x%02x%02x%02x%02x size=%d.\n", __func__,
1397 	    ha->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(ha, 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 		    ha->host_no, rval));
1414 	} else if (qla2x00_chk_ms_status(ha, 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__, ha->host_no));
1422 			rval = QLA_ALREADY_REGISTERED;
1423 		}
1424 	} else {
1425 		DEBUG2(printk("scsi(%ld): RHBA exiting normally.\n",
1426 		    ha->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 *ha)
1440 {
1441 	int rval;
1442 
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(ha, 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, ha->port_name, WWN_SIZE);
1459 
1460 	DEBUG13(printk("%s(%ld): DHBA portname="
1461 	    "%02x%02x%02x%02x%02x%02x%02x%02x.\n", __func__, ha->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(ha, 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 		    ha->host_no, rval));
1474 	} else if (qla2x00_chk_ms_status(ha, 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 		    ha->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 *ha)
1493 {
1494 	int rval, alen;
1495 	uint32_t size, max_frame_size;
1496 
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(ha, 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, ha->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__, ha->host_no,
1531 	    eiter->a.fc4_types[2], eiter->a.fc4_types[1]));
1532 
1533 	/* Supported speed. */
1534 	eiter = (struct ct_fdmi_port_attr *) (entries + size);
1535 	eiter->type = __constant_cpu_to_be16(FDMI_PORT_SUPPORT_SPEED);
1536 	eiter->len = __constant_cpu_to_be16(4 + 4);
1537 	if (IS_QLA25XX(ha))
1538 		eiter->a.sup_speed = __constant_cpu_to_be32(
1539 		    FDMI_PORT_SPEED_1GB|FDMI_PORT_SPEED_2GB|
1540 		    FDMI_PORT_SPEED_4GB|FDMI_PORT_SPEED_8GB);
1541 	else if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
1542 		eiter->a.sup_speed = __constant_cpu_to_be32(
1543 		    FDMI_PORT_SPEED_1GB|FDMI_PORT_SPEED_2GB|
1544 		    FDMI_PORT_SPEED_4GB);
1545 	else if (IS_QLA23XX(ha))
1546 		eiter->a.sup_speed =__constant_cpu_to_be32(
1547 		    FDMI_PORT_SPEED_1GB|FDMI_PORT_SPEED_2GB);
1548 	else
1549 		eiter->a.sup_speed = __constant_cpu_to_be32(
1550 		    FDMI_PORT_SPEED_1GB);
1551 	size += 4 + 4;
1552 
1553 	DEBUG13(printk("%s(%ld): SUPPORTED_SPEED=%x.\n", __func__, ha->host_no,
1554 	    eiter->a.sup_speed));
1555 
1556 	/* Current speed. */
1557 	eiter = (struct ct_fdmi_port_attr *) (entries + size);
1558 	eiter->type = __constant_cpu_to_be16(FDMI_PORT_CURRENT_SPEED);
1559 	eiter->len = __constant_cpu_to_be16(4 + 4);
1560 	switch (ha->link_data_rate) {
1561 	case PORT_SPEED_1GB:
1562 		eiter->a.cur_speed =
1563 		    __constant_cpu_to_be32(FDMI_PORT_SPEED_1GB);
1564 		break;
1565 	case PORT_SPEED_2GB:
1566 		eiter->a.cur_speed =
1567 		    __constant_cpu_to_be32(FDMI_PORT_SPEED_2GB);
1568 		break;
1569 	case PORT_SPEED_4GB:
1570 		eiter->a.cur_speed =
1571 		    __constant_cpu_to_be32(FDMI_PORT_SPEED_4GB);
1572 		break;
1573 	case PORT_SPEED_8GB:
1574 		eiter->a.cur_speed =
1575 		    __constant_cpu_to_be32(FDMI_PORT_SPEED_8GB);
1576 		break;
1577 	default:
1578 		eiter->a.cur_speed =
1579 		    __constant_cpu_to_be32(FDMI_PORT_SPEED_UNKNOWN);
1580 		break;
1581 	}
1582 	size += 4 + 4;
1583 
1584 	DEBUG13(printk("%s(%ld): CURRENT_SPEED=%x.\n", __func__, ha->host_no,
1585 	    eiter->a.cur_speed));
1586 
1587 	/* Max frame size. */
1588 	eiter = (struct ct_fdmi_port_attr *) (entries + size);
1589 	eiter->type = __constant_cpu_to_be16(FDMI_PORT_MAX_FRAME_SIZE);
1590 	eiter->len = __constant_cpu_to_be16(4 + 4);
1591 	max_frame_size = IS_FWI2_CAPABLE(ha) ?
1592 		(uint32_t) icb24->frame_payload_size:
1593 		(uint32_t) ha->init_cb->frame_payload_size;
1594 	eiter->a.max_frame_size = cpu_to_be32(max_frame_size);
1595 	size += 4 + 4;
1596 
1597 	DEBUG13(printk("%s(%ld): MAX_FRAME_SIZE=%x.\n", __func__, ha->host_no,
1598 	    eiter->a.max_frame_size));
1599 
1600 	/* OS device name. */
1601 	eiter = (struct ct_fdmi_port_attr *) (entries + size);
1602 	eiter->type = __constant_cpu_to_be16(FDMI_PORT_OS_DEVICE_NAME);
1603 	strcpy(eiter->a.os_dev_name, QLA2XXX_DRIVER_NAME);
1604 	alen = strlen(eiter->a.os_dev_name);
1605 	alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1606 	eiter->len = cpu_to_be16(4 + alen);
1607 	size += 4 + alen;
1608 
1609 	DEBUG13(printk("%s(%ld): OS_DEVICE_NAME=%s.\n", __func__, ha->host_no,
1610 	    eiter->a.os_dev_name));
1611 
1612 	/* Hostname. */
1613 	if (strlen(fc_host_system_hostname(ha->host))) {
1614 		ct_req->req.rpa.attrs.count =
1615 		    __constant_cpu_to_be32(FDMI_PORT_ATTR_COUNT);
1616 		eiter = (struct ct_fdmi_port_attr *) (entries + size);
1617 		eiter->type = __constant_cpu_to_be16(FDMI_PORT_HOST_NAME);
1618 		snprintf(eiter->a.host_name, sizeof(eiter->a.host_name),
1619 		    "%s", fc_host_system_hostname(ha->host));
1620 		alen = strlen(eiter->a.host_name);
1621 		alen += (alen & 3) ? (4 - (alen & 3)) : 4;
1622 		eiter->len = cpu_to_be16(4 + alen);
1623 		size += 4 + alen;
1624 
1625 		DEBUG13(printk("%s(%ld): HOSTNAME=%s.\n", __func__,
1626 		    ha->host_no, eiter->a.host_name));
1627 	}
1628 
1629 	/* Update MS request size. */
1630 	qla2x00_update_ms_fdmi_iocb(ha, size + 16);
1631 
1632 	DEBUG13(printk("%s(%ld): RPA portname="
1633 	    "%02x%02x%02x%02x%02x%02x%02x%02x size=%d.\n", __func__,
1634 	    ha->host_no, ct_req->req.rpa.port_name[0],
1635 	    ct_req->req.rpa.port_name[1], ct_req->req.rpa.port_name[2],
1636 	    ct_req->req.rpa.port_name[3], ct_req->req.rpa.port_name[4],
1637 	    ct_req->req.rpa.port_name[5], ct_req->req.rpa.port_name[6],
1638 	    ct_req->req.rpa.port_name[7], size));
1639 	DEBUG13(qla2x00_dump_buffer(entries, size));
1640 
1641 	/* Execute MS IOCB */
1642 	rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1643 	    sizeof(ms_iocb_entry_t));
1644 	if (rval != QLA_SUCCESS) {
1645 		/*EMPTY*/
1646 		DEBUG2_3(printk("scsi(%ld): RPA issue IOCB failed (%d).\n",
1647 		    ha->host_no, rval));
1648 	} else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RPA") !=
1649 	    QLA_SUCCESS) {
1650 		rval = QLA_FUNCTION_FAILED;
1651 	} else {
1652 		DEBUG2(printk("scsi(%ld): RPA exiting normally.\n",
1653 		    ha->host_no));
1654 	}
1655 
1656 	return rval;
1657 }
1658 
1659 /**
1660  * qla2x00_fdmi_register() -
1661  * @ha: HA context
1662  *
1663  * Returns 0 on success.
1664  */
1665 int
1666 qla2x00_fdmi_register(scsi_qla_host_t *ha)
1667 {
1668 	int rval;
1669 
1670 	rval = qla2x00_mgmt_svr_login(ha);
1671 	if (rval)
1672 		return rval;
1673 
1674 	rval = qla2x00_fdmi_rhba(ha);
1675 	if (rval) {
1676 		if (rval != QLA_ALREADY_REGISTERED)
1677 			return rval;
1678 
1679 		rval = qla2x00_fdmi_dhba(ha);
1680 		if (rval)
1681 			return rval;
1682 
1683 		rval = qla2x00_fdmi_rhba(ha);
1684 		if (rval)
1685 			return rval;
1686 	}
1687 	rval = qla2x00_fdmi_rpa(ha);
1688 
1689 	return rval;
1690 }
1691 
1692 /**
1693  * qla2x00_gfpn_id() - SNS Get Fabric Port Name (GFPN_ID) query.
1694  * @ha: HA context
1695  * @list: switch info entries to populate
1696  *
1697  * Returns 0 on success.
1698  */
1699 int
1700 qla2x00_gfpn_id(scsi_qla_host_t *ha, sw_info_t *list)
1701 {
1702 	int		rval;
1703 	uint16_t	i;
1704 
1705 	ms_iocb_entry_t	*ms_pkt;
1706 	struct ct_sns_req	*ct_req;
1707 	struct ct_sns_rsp	*ct_rsp;
1708 
1709 	if (!IS_IIDMA_CAPABLE(ha))
1710 		return QLA_FUNCTION_FAILED;
1711 
1712 	for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
1713 		/* Issue GFPN_ID */
1714 		/* Prepare common MS IOCB */
1715 		ms_pkt = ha->isp_ops->prep_ms_iocb(ha, GFPN_ID_REQ_SIZE,
1716 		    GFPN_ID_RSP_SIZE);
1717 
1718 		/* Prepare CT request */
1719 		ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GFPN_ID_CMD,
1720 		    GFPN_ID_RSP_SIZE);
1721 		ct_rsp = &ha->ct_sns->p.rsp;
1722 
1723 		/* Prepare CT arguments -- port_id */
1724 		ct_req->req.port_id.port_id[0] = list[i].d_id.b.domain;
1725 		ct_req->req.port_id.port_id[1] = list[i].d_id.b.area;
1726 		ct_req->req.port_id.port_id[2] = list[i].d_id.b.al_pa;
1727 
1728 		/* Execute MS IOCB */
1729 		rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1730 		    sizeof(ms_iocb_entry_t));
1731 		if (rval != QLA_SUCCESS) {
1732 			/*EMPTY*/
1733 			DEBUG2_3(printk("scsi(%ld): GFPN_ID issue IOCB "
1734 			    "failed (%d).\n", ha->host_no, rval));
1735 		} else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp,
1736 		    "GFPN_ID") != QLA_SUCCESS) {
1737 			rval = QLA_FUNCTION_FAILED;
1738 		} else {
1739 			/* Save fabric portname */
1740 			memcpy(list[i].fabric_port_name,
1741 			    ct_rsp->rsp.gfpn_id.port_name, WWN_SIZE);
1742 		}
1743 
1744 		/* Last device exit. */
1745 		if (list[i].d_id.b.rsvd_1 != 0)
1746 			break;
1747 	}
1748 
1749 	return (rval);
1750 }
1751 
1752 static inline void *
1753 qla24xx_prep_ms_fm_iocb(scsi_qla_host_t *ha, uint32_t req_size,
1754     uint32_t rsp_size)
1755 {
1756 	struct ct_entry_24xx *ct_pkt;
1757 
1758 	ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1759 	memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
1760 
1761 	ct_pkt->entry_type = CT_IOCB_TYPE;
1762 	ct_pkt->entry_count = 1;
1763 	ct_pkt->nport_handle = cpu_to_le16(ha->mgmt_svr_loop_id);
1764 	ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1765 	ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
1766 	ct_pkt->rsp_dsd_count = __constant_cpu_to_le16(1);
1767 	ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
1768 	ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1769 
1770 	ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1771 	ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1772 	ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
1773 
1774 	ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
1775 	ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
1776 	ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
1777 	ct_pkt->vp_index = ha->vp_idx;
1778 
1779 	return ct_pkt;
1780 }
1781 
1782 
1783 static inline struct ct_sns_req *
1784 qla24xx_prep_ct_fm_req(struct ct_sns_req *ct_req, uint16_t cmd,
1785     uint16_t rsp_size)
1786 {
1787 	memset(ct_req, 0, sizeof(struct ct_sns_pkt));
1788 
1789 	ct_req->header.revision = 0x01;
1790 	ct_req->header.gs_type = 0xFA;
1791 	ct_req->header.gs_subtype = 0x01;
1792 	ct_req->command = cpu_to_be16(cmd);
1793 	ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
1794 
1795 	return ct_req;
1796 }
1797 
1798 /**
1799  * qla2x00_gpsc() - FCS Get Port Speed Capabilities (GPSC) query.
1800  * @ha: HA context
1801  * @list: switch info entries to populate
1802  *
1803  * Returns 0 on success.
1804  */
1805 int
1806 qla2x00_gpsc(scsi_qla_host_t *ha, sw_info_t *list)
1807 {
1808 	int		rval;
1809 	uint16_t	i;
1810 
1811 	ms_iocb_entry_t	*ms_pkt;
1812 	struct ct_sns_req	*ct_req;
1813 	struct ct_sns_rsp	*ct_rsp;
1814 
1815 	if (!IS_IIDMA_CAPABLE(ha))
1816 		return QLA_FUNCTION_FAILED;
1817 	if (!ha->flags.gpsc_supported)
1818 		return QLA_FUNCTION_FAILED;
1819 
1820 	rval = qla2x00_mgmt_svr_login(ha);
1821 	if (rval)
1822 		return rval;
1823 
1824 	for (i = 0; i < MAX_FIBRE_DEVICES; i++) {
1825 		/* Issue GFPN_ID */
1826 		/* Prepare common MS IOCB */
1827 		ms_pkt = qla24xx_prep_ms_fm_iocb(ha, GPSC_REQ_SIZE,
1828 		    GPSC_RSP_SIZE);
1829 
1830 		/* Prepare CT request */
1831 		ct_req = qla24xx_prep_ct_fm_req(&ha->ct_sns->p.req,
1832 		    GPSC_CMD, GPSC_RSP_SIZE);
1833 		ct_rsp = &ha->ct_sns->p.rsp;
1834 
1835 		/* Prepare CT arguments -- port_name */
1836 		memcpy(ct_req->req.gpsc.port_name, list[i].fabric_port_name,
1837 		    WWN_SIZE);
1838 
1839 		/* Execute MS IOCB */
1840 		rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
1841 		    sizeof(ms_iocb_entry_t));
1842 		if (rval != QLA_SUCCESS) {
1843 			/*EMPTY*/
1844 			DEBUG2_3(printk("scsi(%ld): GPSC issue IOCB "
1845 			    "failed (%d).\n", ha->host_no, rval));
1846 		} else if ((rval = qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp,
1847 		    "GPSC")) != QLA_SUCCESS) {
1848 			/* FM command unsupported? */
1849 			if (rval == QLA_INVALID_COMMAND &&
1850 			    ct_rsp->header.reason_code ==
1851 			    CT_REASON_INVALID_COMMAND_CODE) {
1852 				DEBUG2(printk("scsi(%ld): GPSC command "
1853 				    "unsupported, disabling query...\n",
1854 				    ha->host_no));
1855 				ha->flags.gpsc_supported = 0;
1856 				rval = QLA_FUNCTION_FAILED;
1857 				break;
1858 			}
1859 			rval = QLA_FUNCTION_FAILED;
1860 		} else {
1861 			/* Save port-speed */
1862 			switch (be16_to_cpu(ct_rsp->rsp.gpsc.speed)) {
1863 			case BIT_15:
1864 				list[i].fp_speed = PORT_SPEED_1GB;
1865 				break;
1866 			case BIT_14:
1867 				list[i].fp_speed = PORT_SPEED_2GB;
1868 				break;
1869 			case BIT_13:
1870 				list[i].fp_speed = PORT_SPEED_4GB;
1871 				break;
1872 			case BIT_11:
1873 				list[i].fp_speed = PORT_SPEED_8GB;
1874 				break;
1875 			}
1876 
1877 			DEBUG2_3(printk("scsi(%ld): GPSC ext entry - "
1878 			    "fpn %02x%02x%02x%02x%02x%02x%02x%02x speeds=%04x "
1879 			    "speed=%04x.\n", ha->host_no,
1880 			    list[i].fabric_port_name[0],
1881 			    list[i].fabric_port_name[1],
1882 			    list[i].fabric_port_name[2],
1883 			    list[i].fabric_port_name[3],
1884 			    list[i].fabric_port_name[4],
1885 			    list[i].fabric_port_name[5],
1886 			    list[i].fabric_port_name[6],
1887 			    list[i].fabric_port_name[7],
1888 			    be16_to_cpu(ct_rsp->rsp.gpsc.speeds),
1889 			    be16_to_cpu(ct_rsp->rsp.gpsc.speed)));
1890 		}
1891 
1892 		/* Last device exit. */
1893 		if (list[i].d_id.b.rsvd_1 != 0)
1894 			break;
1895 	}
1896 
1897 	return (rval);
1898 }
1899