1  // SPDX-License-Identifier: GPL-2.0-only
2  /*
3   * QLogic Fibre Channel HBA Driver
4   * Copyright (c)  2003-2014 QLogic Corporation
5   */
6  #include "qla_def.h"
7  #include "qla_target.h"
8  #include <linux/utsname.h>
9  
10  static int qla2x00_sns_ga_nxt(scsi_qla_host_t *, fc_port_t *);
11  static int qla2x00_sns_gid_pt(scsi_qla_host_t *, sw_info_t *);
12  static int qla2x00_sns_gpn_id(scsi_qla_host_t *, sw_info_t *);
13  static int qla2x00_sns_gnn_id(scsi_qla_host_t *, sw_info_t *);
14  static int qla2x00_sns_rft_id(scsi_qla_host_t *);
15  static int qla2x00_sns_rnn_id(scsi_qla_host_t *);
16  static int qla_async_rftid(scsi_qla_host_t *, port_id_t *);
17  static int qla_async_rffid(scsi_qla_host_t *, port_id_t *, u8, u8);
18  static int qla_async_rnnid(scsi_qla_host_t *, port_id_t *, u8*);
19  static int qla_async_rsnn_nn(scsi_qla_host_t *);
20  
21  
22  
23  /**
24   * qla2x00_prep_ms_iocb() - Prepare common MS/CT IOCB fields for SNS CT query.
25   * @vha: HA context
26   * @arg: CT arguments
27   *
28   * Returns a pointer to the @vha's ms_iocb.
29   */
30  void *
qla2x00_prep_ms_iocb(scsi_qla_host_t * vha,struct ct_arg * arg)31  qla2x00_prep_ms_iocb(scsi_qla_host_t *vha, struct ct_arg *arg)
32  {
33  	struct qla_hw_data *ha = vha->hw;
34  	ms_iocb_entry_t *ms_pkt;
35  
36  	ms_pkt = (ms_iocb_entry_t *)arg->iocb;
37  	memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
38  
39  	ms_pkt->entry_type = MS_IOCB_TYPE;
40  	ms_pkt->entry_count = 1;
41  	SET_TARGET_ID(ha, ms_pkt->loop_id, SIMPLE_NAME_SERVER);
42  	ms_pkt->control_flags = cpu_to_le16(CF_READ | CF_HEAD_TAG);
43  	ms_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
44  	ms_pkt->cmd_dsd_count = cpu_to_le16(1);
45  	ms_pkt->total_dsd_count = cpu_to_le16(2);
46  	ms_pkt->rsp_bytecount = cpu_to_le32(arg->rsp_size);
47  	ms_pkt->req_bytecount = cpu_to_le32(arg->req_size);
48  
49  	put_unaligned_le64(arg->req_dma, &ms_pkt->req_dsd.address);
50  	ms_pkt->req_dsd.length = ms_pkt->req_bytecount;
51  
52  	put_unaligned_le64(arg->rsp_dma, &ms_pkt->rsp_dsd.address);
53  	ms_pkt->rsp_dsd.length = ms_pkt->rsp_bytecount;
54  
55  	vha->qla_stats.control_requests++;
56  
57  	return (ms_pkt);
58  }
59  
60  /**
61   * qla24xx_prep_ms_iocb() - Prepare common CT IOCB fields for SNS CT query.
62   * @vha: HA context
63   * @arg: CT arguments
64   *
65   * Returns a pointer to the @ha's ms_iocb.
66   */
67  void *
qla24xx_prep_ms_iocb(scsi_qla_host_t * vha,struct ct_arg * arg)68  qla24xx_prep_ms_iocb(scsi_qla_host_t *vha, struct ct_arg *arg)
69  {
70  	struct qla_hw_data *ha = vha->hw;
71  	struct ct_entry_24xx *ct_pkt;
72  
73  	ct_pkt = (struct ct_entry_24xx *)arg->iocb;
74  	memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
75  
76  	ct_pkt->entry_type = CT_IOCB_TYPE;
77  	ct_pkt->entry_count = 1;
78  	ct_pkt->nport_handle = cpu_to_le16(arg->nport_handle);
79  	ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
80  	ct_pkt->cmd_dsd_count = cpu_to_le16(1);
81  	ct_pkt->rsp_dsd_count = cpu_to_le16(1);
82  	ct_pkt->rsp_byte_count = cpu_to_le32(arg->rsp_size);
83  	ct_pkt->cmd_byte_count = cpu_to_le32(arg->req_size);
84  
85  	put_unaligned_le64(arg->req_dma, &ct_pkt->dsd[0].address);
86  	ct_pkt->dsd[0].length = ct_pkt->cmd_byte_count;
87  
88  	put_unaligned_le64(arg->rsp_dma, &ct_pkt->dsd[1].address);
89  	ct_pkt->dsd[1].length = ct_pkt->rsp_byte_count;
90  	ct_pkt->vp_index = vha->vp_idx;
91  
92  	vha->qla_stats.control_requests++;
93  
94  	return (ct_pkt);
95  }
96  
97  /**
98   * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
99   * @p: CT request buffer
100   * @cmd: GS command
101   * @rsp_size: response size in bytes
102   *
103   * Returns a pointer to the intitialized @ct_req.
104   */
105  static inline struct ct_sns_req *
qla2x00_prep_ct_req(struct ct_sns_pkt * p,uint16_t cmd,uint16_t rsp_size)106  qla2x00_prep_ct_req(struct ct_sns_pkt *p, uint16_t cmd, uint16_t rsp_size)
107  {
108  	memset(p, 0, sizeof(struct ct_sns_pkt));
109  
110  	p->p.req.header.revision = 0x01;
111  	p->p.req.header.gs_type = 0xFC;
112  	p->p.req.header.gs_subtype = 0x02;
113  	p->p.req.command = cpu_to_be16(cmd);
114  	p->p.req.max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
115  
116  	return &p->p.req;
117  }
118  
119  int
qla2x00_chk_ms_status(scsi_qla_host_t * vha,ms_iocb_entry_t * ms_pkt,struct ct_sns_rsp * ct_rsp,const char * routine)120  qla2x00_chk_ms_status(scsi_qla_host_t *vha, ms_iocb_entry_t *ms_pkt,
121      struct ct_sns_rsp *ct_rsp, const char *routine)
122  {
123  	int rval;
124  	uint16_t comp_status;
125  	struct qla_hw_data *ha = vha->hw;
126  	bool lid_is_sns = false;
127  
128  	rval = QLA_FUNCTION_FAILED;
129  	if (ms_pkt->entry_status != 0) {
130  		ql_dbg(ql_dbg_disc, vha, 0x2031,
131  		    "%s failed, error status (%x) on port_id: %02x%02x%02x.\n",
132  		    routine, ms_pkt->entry_status, vha->d_id.b.domain,
133  		    vha->d_id.b.area, vha->d_id.b.al_pa);
134  	} else {
135  		if (IS_FWI2_CAPABLE(ha))
136  			comp_status = le16_to_cpu(
137  			    ((struct ct_entry_24xx *)ms_pkt)->comp_status);
138  		else
139  			comp_status = le16_to_cpu(ms_pkt->status);
140  		switch (comp_status) {
141  		case CS_COMPLETE:
142  		case CS_DATA_UNDERRUN:
143  		case CS_DATA_OVERRUN:		/* Overrun? */
144  			if (ct_rsp->header.response !=
145  			    cpu_to_be16(CT_ACCEPT_RESPONSE)) {
146  				ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2077,
147  				    "%s failed rejected request on port_id: %02x%02x%02x Completion status 0x%x, response 0x%x\n",
148  				    routine, vha->d_id.b.domain,
149  				    vha->d_id.b.area, vha->d_id.b.al_pa,
150  				    comp_status, ct_rsp->header.response);
151  				ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha,
152  				    0x2078, ct_rsp,
153  				    offsetof(typeof(*ct_rsp), rsp));
154  				rval = QLA_INVALID_COMMAND;
155  			} else
156  				rval = QLA_SUCCESS;
157  			break;
158  		case CS_PORT_LOGGED_OUT:
159  			if (IS_FWI2_CAPABLE(ha)) {
160  				if (le16_to_cpu(ms_pkt->loop_id.extended) ==
161  				    NPH_SNS)
162  					lid_is_sns = true;
163  			} else {
164  				if (le16_to_cpu(ms_pkt->loop_id.extended) ==
165  				    SIMPLE_NAME_SERVER)
166  					lid_is_sns = true;
167  			}
168  			if (lid_is_sns) {
169  				ql_dbg(ql_dbg_async, vha, 0x502b,
170  					"%s failed, Name server has logged out",
171  					routine);
172  				rval = QLA_NOT_LOGGED_IN;
173  				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
174  				set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
175  			}
176  			break;
177  		case CS_TIMEOUT:
178  			rval = QLA_FUNCTION_TIMEOUT;
179  			fallthrough;
180  		default:
181  			ql_dbg(ql_dbg_disc, vha, 0x2033,
182  			    "%s failed, completion status (%x) on port_id: "
183  			    "%02x%02x%02x.\n", routine, comp_status,
184  			    vha->d_id.b.domain, vha->d_id.b.area,
185  			    vha->d_id.b.al_pa);
186  			break;
187  		}
188  	}
189  	return rval;
190  }
191  
192  /**
193   * qla2x00_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
194   * @vha: HA context
195   * @fcport: fcport entry to updated
196   *
197   * Returns 0 on success.
198   */
199  int
qla2x00_ga_nxt(scsi_qla_host_t * vha,fc_port_t * fcport)200  qla2x00_ga_nxt(scsi_qla_host_t *vha, fc_port_t *fcport)
201  {
202  	int		rval;
203  
204  	ms_iocb_entry_t	*ms_pkt;
205  	struct ct_sns_req	*ct_req;
206  	struct ct_sns_rsp	*ct_rsp;
207  	struct qla_hw_data *ha = vha->hw;
208  	struct ct_arg arg;
209  
210  	if (IS_QLA2100(ha) || IS_QLA2200(ha))
211  		return qla2x00_sns_ga_nxt(vha, fcport);
212  
213  	arg.iocb = ha->ms_iocb;
214  	arg.req_dma = ha->ct_sns_dma;
215  	arg.rsp_dma = ha->ct_sns_dma;
216  	arg.req_size = GA_NXT_REQ_SIZE;
217  	arg.rsp_size = GA_NXT_RSP_SIZE;
218  	arg.nport_handle = NPH_SNS;
219  
220  	/* Issue GA_NXT */
221  	/* Prepare common MS IOCB */
222  	ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
223  
224  	/* Prepare CT request */
225  	ct_req = qla2x00_prep_ct_req(ha->ct_sns, GA_NXT_CMD,
226  	    GA_NXT_RSP_SIZE);
227  	ct_rsp = &ha->ct_sns->p.rsp;
228  
229  	/* Prepare CT arguments -- port_id */
230  	ct_req->req.port_id.port_id = port_id_to_be_id(fcport->d_id);
231  
232  	/* Execute MS IOCB */
233  	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
234  	    sizeof(ms_iocb_entry_t));
235  	if (rval != QLA_SUCCESS) {
236  		/*EMPTY*/
237  		ql_dbg(ql_dbg_disc, vha, 0x2062,
238  		    "GA_NXT issue IOCB failed (%d).\n", rval);
239  	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "GA_NXT") !=
240  	    QLA_SUCCESS) {
241  		rval = QLA_FUNCTION_FAILED;
242  	} else {
243  		/* Populate fc_port_t entry. */
244  		fcport->d_id = be_to_port_id(ct_rsp->rsp.ga_nxt.port_id);
245  
246  		memcpy(fcport->node_name, ct_rsp->rsp.ga_nxt.node_name,
247  		    WWN_SIZE);
248  		memcpy(fcport->port_name, ct_rsp->rsp.ga_nxt.port_name,
249  		    WWN_SIZE);
250  
251  		fcport->fc4_type = (ct_rsp->rsp.ga_nxt.fc4_types[2] & BIT_0) ?
252  		    FS_FC4TYPE_FCP : FC4_TYPE_OTHER;
253  
254  		if (ct_rsp->rsp.ga_nxt.port_type != NS_N_PORT_TYPE &&
255  		    ct_rsp->rsp.ga_nxt.port_type != NS_NL_PORT_TYPE)
256  			fcport->d_id.b.domain = 0xf0;
257  
258  		ql_dbg(ql_dbg_disc, vha, 0x2063,
259  		    "GA_NXT entry - nn %8phN pn %8phN "
260  		    "port_id=%02x%02x%02x.\n",
261  		    fcport->node_name, fcport->port_name,
262  		    fcport->d_id.b.domain, fcport->d_id.b.area,
263  		    fcport->d_id.b.al_pa);
264  	}
265  
266  	return (rval);
267  }
268  
269  static inline int
qla2x00_gid_pt_rsp_size(scsi_qla_host_t * vha)270  qla2x00_gid_pt_rsp_size(scsi_qla_host_t *vha)
271  {
272  	return vha->hw->max_fibre_devices * 4 + 16;
273  }
274  
275  /**
276   * qla2x00_gid_pt() - SNS scan for fabric devices via GID_PT command.
277   * @vha: HA context
278   * @list: switch info entries to populate
279   *
280   * NOTE: Non-Nx_Ports are not requested.
281   *
282   * Returns 0 on success.
283   */
284  int
qla2x00_gid_pt(scsi_qla_host_t * vha,sw_info_t * list)285  qla2x00_gid_pt(scsi_qla_host_t *vha, sw_info_t *list)
286  {
287  	int		rval;
288  	uint16_t	i;
289  
290  	ms_iocb_entry_t	*ms_pkt;
291  	struct ct_sns_req	*ct_req;
292  	struct ct_sns_rsp	*ct_rsp;
293  
294  	struct ct_sns_gid_pt_data *gid_data;
295  	struct qla_hw_data *ha = vha->hw;
296  	uint16_t gid_pt_rsp_size;
297  	struct ct_arg arg;
298  
299  	if (IS_QLA2100(ha) || IS_QLA2200(ha))
300  		return qla2x00_sns_gid_pt(vha, list);
301  
302  	gid_data = NULL;
303  	gid_pt_rsp_size = qla2x00_gid_pt_rsp_size(vha);
304  
305  	arg.iocb = ha->ms_iocb;
306  	arg.req_dma = ha->ct_sns_dma;
307  	arg.rsp_dma = ha->ct_sns_dma;
308  	arg.req_size = GID_PT_REQ_SIZE;
309  	arg.rsp_size = gid_pt_rsp_size;
310  	arg.nport_handle = NPH_SNS;
311  
312  	/* Issue GID_PT */
313  	/* Prepare common MS IOCB */
314  	ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
315  
316  	/* Prepare CT request */
317  	ct_req = qla2x00_prep_ct_req(ha->ct_sns, GID_PT_CMD, gid_pt_rsp_size);
318  	ct_rsp = &ha->ct_sns->p.rsp;
319  
320  	/* Prepare CT arguments -- port_type */
321  	ct_req->req.gid_pt.port_type = NS_NX_PORT_TYPE;
322  
323  	/* Execute MS IOCB */
324  	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
325  	    sizeof(ms_iocb_entry_t));
326  	if (rval != QLA_SUCCESS) {
327  		/*EMPTY*/
328  		ql_dbg(ql_dbg_disc, vha, 0x2055,
329  		    "GID_PT issue IOCB failed (%d).\n", rval);
330  	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "GID_PT") !=
331  	    QLA_SUCCESS) {
332  		rval = QLA_FUNCTION_FAILED;
333  	} else {
334  		/* Set port IDs in switch info list. */
335  		for (i = 0; i < ha->max_fibre_devices; i++) {
336  			gid_data = &ct_rsp->rsp.gid_pt.entries[i];
337  			list[i].d_id = be_to_port_id(gid_data->port_id);
338  			memset(list[i].fabric_port_name, 0, WWN_SIZE);
339  			list[i].fp_speed = PORT_SPEED_UNKNOWN;
340  
341  			/* Last one exit. */
342  			if (gid_data->control_byte & BIT_7) {
343  				list[i].d_id.b.rsvd_1 = gid_data->control_byte;
344  				break;
345  			}
346  		}
347  
348  		/*
349  		 * If we've used all available slots, then the switch is
350  		 * reporting back more devices than we can handle with this
351  		 * single call.  Return a failed status, and let GA_NXT handle
352  		 * the overload.
353  		 */
354  		if (i == ha->max_fibre_devices)
355  			rval = QLA_FUNCTION_FAILED;
356  	}
357  
358  	return (rval);
359  }
360  
361  /**
362   * qla2x00_gpn_id() - SNS Get Port Name (GPN_ID) query.
363   * @vha: HA context
364   * @list: switch info entries to populate
365   *
366   * Returns 0 on success.
367   */
368  int
qla2x00_gpn_id(scsi_qla_host_t * vha,sw_info_t * list)369  qla2x00_gpn_id(scsi_qla_host_t *vha, sw_info_t *list)
370  {
371  	int		rval = QLA_SUCCESS;
372  	uint16_t	i;
373  
374  	ms_iocb_entry_t	*ms_pkt;
375  	struct ct_sns_req	*ct_req;
376  	struct ct_sns_rsp	*ct_rsp;
377  	struct qla_hw_data *ha = vha->hw;
378  	struct ct_arg arg;
379  
380  	if (IS_QLA2100(ha) || IS_QLA2200(ha))
381  		return qla2x00_sns_gpn_id(vha, list);
382  
383  	arg.iocb = ha->ms_iocb;
384  	arg.req_dma = ha->ct_sns_dma;
385  	arg.rsp_dma = ha->ct_sns_dma;
386  	arg.req_size = GPN_ID_REQ_SIZE;
387  	arg.rsp_size = GPN_ID_RSP_SIZE;
388  	arg.nport_handle = NPH_SNS;
389  
390  	for (i = 0; i < ha->max_fibre_devices; i++) {
391  		/* Issue GPN_ID */
392  		/* Prepare common MS IOCB */
393  		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
394  
395  		/* Prepare CT request */
396  		ct_req = qla2x00_prep_ct_req(ha->ct_sns, GPN_ID_CMD,
397  		    GPN_ID_RSP_SIZE);
398  		ct_rsp = &ha->ct_sns->p.rsp;
399  
400  		/* Prepare CT arguments -- port_id */
401  		ct_req->req.port_id.port_id = port_id_to_be_id(list[i].d_id);
402  
403  		/* Execute MS IOCB */
404  		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
405  		    sizeof(ms_iocb_entry_t));
406  		if (rval != QLA_SUCCESS) {
407  			/*EMPTY*/
408  			ql_dbg(ql_dbg_disc, vha, 0x2056,
409  			    "GPN_ID issue IOCB failed (%d).\n", rval);
410  			break;
411  		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
412  		    "GPN_ID") != QLA_SUCCESS) {
413  			rval = QLA_FUNCTION_FAILED;
414  			break;
415  		} else {
416  			/* Save portname */
417  			memcpy(list[i].port_name,
418  			    ct_rsp->rsp.gpn_id.port_name, WWN_SIZE);
419  		}
420  
421  		/* Last device exit. */
422  		if (list[i].d_id.b.rsvd_1 != 0)
423  			break;
424  	}
425  
426  	return (rval);
427  }
428  
429  /**
430   * qla2x00_gnn_id() - SNS Get Node Name (GNN_ID) query.
431   * @vha: HA context
432   * @list: switch info entries to populate
433   *
434   * Returns 0 on success.
435   */
436  int
qla2x00_gnn_id(scsi_qla_host_t * vha,sw_info_t * list)437  qla2x00_gnn_id(scsi_qla_host_t *vha, sw_info_t *list)
438  {
439  	int		rval = QLA_SUCCESS;
440  	uint16_t	i;
441  	struct qla_hw_data *ha = vha->hw;
442  	ms_iocb_entry_t	*ms_pkt;
443  	struct ct_sns_req	*ct_req;
444  	struct ct_sns_rsp	*ct_rsp;
445  	struct ct_arg arg;
446  
447  	if (IS_QLA2100(ha) || IS_QLA2200(ha))
448  		return qla2x00_sns_gnn_id(vha, list);
449  
450  	arg.iocb = ha->ms_iocb;
451  	arg.req_dma = ha->ct_sns_dma;
452  	arg.rsp_dma = ha->ct_sns_dma;
453  	arg.req_size = GNN_ID_REQ_SIZE;
454  	arg.rsp_size = GNN_ID_RSP_SIZE;
455  	arg.nport_handle = NPH_SNS;
456  
457  	for (i = 0; i < ha->max_fibre_devices; i++) {
458  		/* Issue GNN_ID */
459  		/* Prepare common MS IOCB */
460  		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
461  
462  		/* Prepare CT request */
463  		ct_req = qla2x00_prep_ct_req(ha->ct_sns, GNN_ID_CMD,
464  		    GNN_ID_RSP_SIZE);
465  		ct_rsp = &ha->ct_sns->p.rsp;
466  
467  		/* Prepare CT arguments -- port_id */
468  		ct_req->req.port_id.port_id = port_id_to_be_id(list[i].d_id);
469  
470  		/* Execute MS IOCB */
471  		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
472  		    sizeof(ms_iocb_entry_t));
473  		if (rval != QLA_SUCCESS) {
474  			/*EMPTY*/
475  			ql_dbg(ql_dbg_disc, vha, 0x2057,
476  			    "GNN_ID issue IOCB failed (%d).\n", rval);
477  			break;
478  		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
479  		    "GNN_ID") != QLA_SUCCESS) {
480  			rval = QLA_FUNCTION_FAILED;
481  			break;
482  		} else {
483  			/* Save nodename */
484  			memcpy(list[i].node_name,
485  			    ct_rsp->rsp.gnn_id.node_name, WWN_SIZE);
486  
487  			ql_dbg(ql_dbg_disc, vha, 0x2058,
488  			    "GID_PT entry - nn %8phN pn %8phN "
489  			    "portid=%02x%02x%02x.\n",
490  			    list[i].node_name, list[i].port_name,
491  			    list[i].d_id.b.domain, list[i].d_id.b.area,
492  			    list[i].d_id.b.al_pa);
493  		}
494  
495  		/* Last device exit. */
496  		if (list[i].d_id.b.rsvd_1 != 0)
497  			break;
498  	}
499  
500  	return (rval);
501  }
502  
qla2x00_async_sns_sp_done(srb_t * sp,int rc)503  static void qla2x00_async_sns_sp_done(srb_t *sp, int rc)
504  {
505  	struct scsi_qla_host *vha = sp->vha;
506  	struct ct_sns_pkt *ct_sns;
507  	struct qla_work_evt *e;
508  
509  	sp->rc = rc;
510  	if (rc == QLA_SUCCESS) {
511  		ql_dbg(ql_dbg_disc, vha, 0x204f,
512  		    "Async done-%s exiting normally.\n",
513  		    sp->name);
514  	} else if (rc == QLA_FUNCTION_TIMEOUT) {
515  		ql_dbg(ql_dbg_disc, vha, 0x204f,
516  		    "Async done-%s timeout\n", sp->name);
517  	} else {
518  		ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
519  		memset(ct_sns, 0, sizeof(*ct_sns));
520  		sp->retry_count++;
521  		if (sp->retry_count > 3)
522  			goto err;
523  
524  		ql_dbg(ql_dbg_disc, vha, 0x204f,
525  		    "Async done-%s fail rc %x.  Retry count %d\n",
526  		    sp->name, rc, sp->retry_count);
527  
528  		e = qla2x00_alloc_work(vha, QLA_EVT_SP_RETRY);
529  		if (!e)
530  			goto err2;
531  
532  		e->u.iosb.sp = sp;
533  		qla2x00_post_work(vha, e);
534  		return;
535  	}
536  
537  err:
538  	e = qla2x00_alloc_work(vha, QLA_EVT_UNMAP);
539  err2:
540  	if (!e) {
541  		/* please ignore kernel warning. otherwise, we have mem leak. */
542  		if (sp->u.iocb_cmd.u.ctarg.req) {
543  			dma_free_coherent(&vha->hw->pdev->dev,
544  			    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
545  			    sp->u.iocb_cmd.u.ctarg.req,
546  			    sp->u.iocb_cmd.u.ctarg.req_dma);
547  			sp->u.iocb_cmd.u.ctarg.req = NULL;
548  		}
549  
550  		if (sp->u.iocb_cmd.u.ctarg.rsp) {
551  			dma_free_coherent(&vha->hw->pdev->dev,
552  			    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
553  			    sp->u.iocb_cmd.u.ctarg.rsp,
554  			    sp->u.iocb_cmd.u.ctarg.rsp_dma);
555  			sp->u.iocb_cmd.u.ctarg.rsp = NULL;
556  		}
557  
558  		/* ref: INIT */
559  		kref_put(&sp->cmd_kref, qla2x00_sp_release);
560  		return;
561  	}
562  
563  	e->u.iosb.sp = sp;
564  	qla2x00_post_work(vha, e);
565  }
566  
567  /**
568   * qla2x00_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
569   * @vha: HA context
570   *
571   * Returns 0 on success.
572   */
573  int
qla2x00_rft_id(scsi_qla_host_t * vha)574  qla2x00_rft_id(scsi_qla_host_t *vha)
575  {
576  	struct qla_hw_data *ha = vha->hw;
577  
578  	if (IS_QLA2100(ha) || IS_QLA2200(ha))
579  		return qla2x00_sns_rft_id(vha);
580  
581  	return qla_async_rftid(vha, &vha->d_id);
582  }
583  
qla_async_rftid(scsi_qla_host_t * vha,port_id_t * d_id)584  static int qla_async_rftid(scsi_qla_host_t *vha, port_id_t *d_id)
585  {
586  	int rval = QLA_MEMORY_ALLOC_FAILED;
587  	struct ct_sns_req *ct_req;
588  	srb_t *sp;
589  	struct ct_sns_pkt *ct_sns;
590  
591  	if (!vha->flags.online)
592  		goto done;
593  
594  	/* ref: INIT */
595  	sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
596  	if (!sp)
597  		goto done;
598  
599  	sp->type = SRB_CT_PTHRU_CMD;
600  	sp->name = "rft_id";
601  	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
602  			      qla2x00_async_sns_sp_done);
603  
604  	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
605  	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
606  	    GFP_KERNEL);
607  	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
608  	if (!sp->u.iocb_cmd.u.ctarg.req) {
609  		ql_log(ql_log_warn, vha, 0xd041,
610  		    "%s: Failed to allocate ct_sns request.\n",
611  		    __func__);
612  		goto done_free_sp;
613  	}
614  
615  	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
616  	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
617  	    GFP_KERNEL);
618  	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
619  	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
620  		ql_log(ql_log_warn, vha, 0xd042,
621  		    "%s: Failed to allocate ct_sns request.\n",
622  		    __func__);
623  		goto done_free_sp;
624  	}
625  	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
626  	memset(ct_sns, 0, sizeof(*ct_sns));
627  	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
628  
629  	/* Prepare CT request */
630  	ct_req = qla2x00_prep_ct_req(ct_sns, RFT_ID_CMD, RFT_ID_RSP_SIZE);
631  
632  	/* Prepare CT arguments -- port_id, FC-4 types */
633  	ct_req->req.rft_id.port_id = port_id_to_be_id(vha->d_id);
634  	ct_req->req.rft_id.fc4_types[2] = 0x01;		/* FCP-3 */
635  
636  	if (vha->flags.nvme_enabled && qla_ini_mode_enabled(vha))
637  		ct_req->req.rft_id.fc4_types[6] = 1;    /* NVMe type 28h */
638  
639  	sp->u.iocb_cmd.u.ctarg.req_size = RFT_ID_REQ_SIZE;
640  	sp->u.iocb_cmd.u.ctarg.rsp_size = RFT_ID_RSP_SIZE;
641  	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
642  
643  	ql_dbg(ql_dbg_disc, vha, 0xffff,
644  	    "Async-%s - hdl=%x portid %06x.\n",
645  	    sp->name, sp->handle, d_id->b24);
646  
647  	rval = qla2x00_start_sp(sp);
648  	if (rval != QLA_SUCCESS) {
649  		ql_dbg(ql_dbg_disc, vha, 0x2043,
650  		    "RFT_ID issue IOCB failed (%d).\n", rval);
651  		goto done_free_sp;
652  	}
653  	return rval;
654  done_free_sp:
655  	/* ref: INIT */
656  	kref_put(&sp->cmd_kref, qla2x00_sp_release);
657  done:
658  	return rval;
659  }
660  
661  /**
662   * qla2x00_rff_id() - SNS Register FC-4 Features (RFF_ID) supported by the HBA.
663   * @vha: HA context
664   * @type: not used
665   *
666   * Returns 0 on success.
667   */
668  int
qla2x00_rff_id(scsi_qla_host_t * vha,u8 type)669  qla2x00_rff_id(scsi_qla_host_t *vha, u8 type)
670  {
671  	struct qla_hw_data *ha = vha->hw;
672  
673  	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
674  		ql_dbg(ql_dbg_disc, vha, 0x2046,
675  		    "RFF_ID call not supported on ISP2100/ISP2200.\n");
676  		return (QLA_SUCCESS);
677  	}
678  
679  	return qla_async_rffid(vha, &vha->d_id, qlt_rff_id(vha), type);
680  }
681  
qla_async_rffid(scsi_qla_host_t * vha,port_id_t * d_id,u8 fc4feature,u8 fc4type)682  static int qla_async_rffid(scsi_qla_host_t *vha, port_id_t *d_id,
683      u8 fc4feature, u8 fc4type)
684  {
685  	int rval = QLA_MEMORY_ALLOC_FAILED;
686  	struct ct_sns_req *ct_req;
687  	srb_t *sp;
688  	struct ct_sns_pkt *ct_sns;
689  
690  	/* ref: INIT */
691  	sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
692  	if (!sp)
693  		goto done;
694  
695  	sp->type = SRB_CT_PTHRU_CMD;
696  	sp->name = "rff_id";
697  	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
698  			      qla2x00_async_sns_sp_done);
699  
700  	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
701  	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
702  	    GFP_KERNEL);
703  	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
704  	if (!sp->u.iocb_cmd.u.ctarg.req) {
705  		ql_log(ql_log_warn, vha, 0xd041,
706  		    "%s: Failed to allocate ct_sns request.\n",
707  		    __func__);
708  		goto done_free_sp;
709  	}
710  
711  	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
712  	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
713  	    GFP_KERNEL);
714  	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
715  	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
716  		ql_log(ql_log_warn, vha, 0xd042,
717  		    "%s: Failed to allocate ct_sns request.\n",
718  		    __func__);
719  		goto done_free_sp;
720  	}
721  	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
722  	memset(ct_sns, 0, sizeof(*ct_sns));
723  	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
724  
725  	/* Prepare CT request */
726  	ct_req = qla2x00_prep_ct_req(ct_sns, RFF_ID_CMD, RFF_ID_RSP_SIZE);
727  
728  	/* Prepare CT arguments -- port_id, FC-4 feature, FC-4 type */
729  	ct_req->req.rff_id.port_id = port_id_to_be_id(*d_id);
730  	ct_req->req.rff_id.fc4_feature = fc4feature;
731  	ct_req->req.rff_id.fc4_type = fc4type;		/* SCSI-FCP or FC-NVMe */
732  
733  	sp->u.iocb_cmd.u.ctarg.req_size = RFF_ID_REQ_SIZE;
734  	sp->u.iocb_cmd.u.ctarg.rsp_size = RFF_ID_RSP_SIZE;
735  	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
736  
737  	ql_dbg(ql_dbg_disc, vha, 0xffff,
738  	    "Async-%s - hdl=%x portid %06x feature %x type %x.\n",
739  	    sp->name, sp->handle, d_id->b24, fc4feature, fc4type);
740  
741  	rval = qla2x00_start_sp(sp);
742  	if (rval != QLA_SUCCESS) {
743  		ql_dbg(ql_dbg_disc, vha, 0x2047,
744  		    "RFF_ID issue IOCB failed (%d).\n", rval);
745  		goto done_free_sp;
746  	}
747  
748  	return rval;
749  
750  done_free_sp:
751  	/* ref: INIT */
752  	kref_put(&sp->cmd_kref, qla2x00_sp_release);
753  done:
754  	return rval;
755  }
756  
757  /**
758   * qla2x00_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
759   * @vha: HA context
760   *
761   * Returns 0 on success.
762   */
763  int
qla2x00_rnn_id(scsi_qla_host_t * vha)764  qla2x00_rnn_id(scsi_qla_host_t *vha)
765  {
766  	struct qla_hw_data *ha = vha->hw;
767  
768  	if (IS_QLA2100(ha) || IS_QLA2200(ha))
769  		return qla2x00_sns_rnn_id(vha);
770  
771  	return  qla_async_rnnid(vha, &vha->d_id, vha->node_name);
772  }
773  
qla_async_rnnid(scsi_qla_host_t * vha,port_id_t * d_id,u8 * node_name)774  static int qla_async_rnnid(scsi_qla_host_t *vha, port_id_t *d_id,
775  	u8 *node_name)
776  {
777  	int rval = QLA_MEMORY_ALLOC_FAILED;
778  	struct ct_sns_req *ct_req;
779  	srb_t *sp;
780  	struct ct_sns_pkt *ct_sns;
781  
782  	/* ref: INIT */
783  	sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
784  	if (!sp)
785  		goto done;
786  
787  	sp->type = SRB_CT_PTHRU_CMD;
788  	sp->name = "rnid";
789  	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
790  			      qla2x00_async_sns_sp_done);
791  
792  	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
793  	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
794  	    GFP_KERNEL);
795  	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
796  	if (!sp->u.iocb_cmd.u.ctarg.req) {
797  		ql_log(ql_log_warn, vha, 0xd041,
798  		    "%s: Failed to allocate ct_sns request.\n",
799  		    __func__);
800  		goto done_free_sp;
801  	}
802  
803  	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
804  	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
805  	    GFP_KERNEL);
806  	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
807  	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
808  		ql_log(ql_log_warn, vha, 0xd042,
809  		    "%s: Failed to allocate ct_sns request.\n",
810  		    __func__);
811  		goto done_free_sp;
812  	}
813  	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
814  	memset(ct_sns, 0, sizeof(*ct_sns));
815  	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
816  
817  	/* Prepare CT request */
818  	ct_req = qla2x00_prep_ct_req(ct_sns, RNN_ID_CMD, RNN_ID_RSP_SIZE);
819  
820  	/* Prepare CT arguments -- port_id, node_name */
821  	ct_req->req.rnn_id.port_id = port_id_to_be_id(vha->d_id);
822  	memcpy(ct_req->req.rnn_id.node_name, vha->node_name, WWN_SIZE);
823  
824  	sp->u.iocb_cmd.u.ctarg.req_size = RNN_ID_REQ_SIZE;
825  	sp->u.iocb_cmd.u.ctarg.rsp_size = RNN_ID_RSP_SIZE;
826  	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
827  
828  	ql_dbg(ql_dbg_disc, vha, 0xffff,
829  	    "Async-%s - hdl=%x portid %06x\n",
830  	    sp->name, sp->handle, d_id->b24);
831  
832  	rval = qla2x00_start_sp(sp);
833  	if (rval != QLA_SUCCESS) {
834  		ql_dbg(ql_dbg_disc, vha, 0x204d,
835  		    "RNN_ID issue IOCB failed (%d).\n", rval);
836  		goto done_free_sp;
837  	}
838  
839  	return rval;
840  
841  done_free_sp:
842  	/* ref: INIT */
843  	kref_put(&sp->cmd_kref, qla2x00_sp_release);
844  done:
845  	return rval;
846  }
847  
848  size_t
qla2x00_get_sym_node_name(scsi_qla_host_t * vha,uint8_t * snn,size_t size)849  qla2x00_get_sym_node_name(scsi_qla_host_t *vha, uint8_t *snn, size_t size)
850  {
851  	struct qla_hw_data *ha = vha->hw;
852  
853  	if (IS_QLAFX00(ha))
854  		return scnprintf(snn, size, "%s FW:v%s DVR:v%s",
855  		    ha->model_number, ha->mr.fw_version, qla2x00_version_str);
856  
857  	return scnprintf(snn, size, "%s FW:v%d.%02d.%02d DVR:v%s",
858  	    ha->model_number, ha->fw_major_version, ha->fw_minor_version,
859  	    ha->fw_subminor_version, qla2x00_version_str);
860  }
861  
862  /**
863   * qla2x00_rsnn_nn() - SNS Register Symbolic Node Name (RSNN_NN) of the HBA.
864   * @vha: HA context
865   *
866   * Returns 0 on success.
867   */
868  int
qla2x00_rsnn_nn(scsi_qla_host_t * vha)869  qla2x00_rsnn_nn(scsi_qla_host_t *vha)
870  {
871  	struct qla_hw_data *ha = vha->hw;
872  
873  	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
874  		ql_dbg(ql_dbg_disc, vha, 0x2050,
875  		    "RSNN_ID call unsupported on ISP2100/ISP2200.\n");
876  		return (QLA_SUCCESS);
877  	}
878  
879  	return qla_async_rsnn_nn(vha);
880  }
881  
qla_async_rsnn_nn(scsi_qla_host_t * vha)882  static int qla_async_rsnn_nn(scsi_qla_host_t *vha)
883  {
884  	int rval = QLA_MEMORY_ALLOC_FAILED;
885  	struct ct_sns_req *ct_req;
886  	srb_t *sp;
887  	struct ct_sns_pkt *ct_sns;
888  
889  	/* ref: INIT */
890  	sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
891  	if (!sp)
892  		goto done;
893  
894  	sp->type = SRB_CT_PTHRU_CMD;
895  	sp->name = "rsnn_nn";
896  	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
897  			      qla2x00_async_sns_sp_done);
898  
899  	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
900  	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma,
901  	    GFP_KERNEL);
902  	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
903  	if (!sp->u.iocb_cmd.u.ctarg.req) {
904  		ql_log(ql_log_warn, vha, 0xd041,
905  		    "%s: Failed to allocate ct_sns request.\n",
906  		    __func__);
907  		goto done_free_sp;
908  	}
909  
910  	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
911  	    sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.rsp_dma,
912  	    GFP_KERNEL);
913  	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
914  	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
915  		ql_log(ql_log_warn, vha, 0xd042,
916  		    "%s: Failed to allocate ct_sns request.\n",
917  		    __func__);
918  		goto done_free_sp;
919  	}
920  	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.rsp;
921  	memset(ct_sns, 0, sizeof(*ct_sns));
922  	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
923  
924  	/* Prepare CT request */
925  	ct_req = qla2x00_prep_ct_req(ct_sns, RSNN_NN_CMD, RSNN_NN_RSP_SIZE);
926  
927  	/* Prepare CT arguments -- node_name, symbolic node_name, size */
928  	memcpy(ct_req->req.rsnn_nn.node_name, vha->node_name, WWN_SIZE);
929  
930  	/* Prepare the Symbolic Node Name */
931  	qla2x00_get_sym_node_name(vha, ct_req->req.rsnn_nn.sym_node_name,
932  	    sizeof(ct_req->req.rsnn_nn.sym_node_name));
933  	ct_req->req.rsnn_nn.name_len =
934  	    (uint8_t)strlen(ct_req->req.rsnn_nn.sym_node_name);
935  
936  
937  	sp->u.iocb_cmd.u.ctarg.req_size = 24 + 1 + ct_req->req.rsnn_nn.name_len;
938  	sp->u.iocb_cmd.u.ctarg.rsp_size = RSNN_NN_RSP_SIZE;
939  	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
940  
941  	ql_dbg(ql_dbg_disc, vha, 0xffff,
942  	    "Async-%s - hdl=%x.\n",
943  	    sp->name, sp->handle);
944  
945  	rval = qla2x00_start_sp(sp);
946  	if (rval != QLA_SUCCESS) {
947  		ql_dbg(ql_dbg_disc, vha, 0x2043,
948  		    "RFT_ID issue IOCB failed (%d).\n", rval);
949  		goto done_free_sp;
950  	}
951  
952  	return rval;
953  
954  done_free_sp:
955  	/* ref: INIT */
956  	kref_put(&sp->cmd_kref, qla2x00_sp_release);
957  done:
958  	return rval;
959  }
960  
961  /**
962   * qla2x00_prep_sns_cmd() - Prepare common SNS command request fields for query.
963   * @vha: HA context
964   * @cmd: GS command
965   * @scmd_len: Subcommand length
966   * @data_size: response size in bytes
967   *
968   * Returns a pointer to the @ha's sns_cmd.
969   */
970  static inline struct sns_cmd_pkt *
qla2x00_prep_sns_cmd(scsi_qla_host_t * vha,uint16_t cmd,uint16_t scmd_len,uint16_t data_size)971  qla2x00_prep_sns_cmd(scsi_qla_host_t *vha, uint16_t cmd, uint16_t scmd_len,
972      uint16_t data_size)
973  {
974  	uint16_t		wc;
975  	struct sns_cmd_pkt	*sns_cmd;
976  	struct qla_hw_data *ha = vha->hw;
977  
978  	sns_cmd = ha->sns_cmd;
979  	memset(sns_cmd, 0, sizeof(struct sns_cmd_pkt));
980  	wc = data_size / 2;			/* Size in 16bit words. */
981  	sns_cmd->p.cmd.buffer_length = cpu_to_le16(wc);
982  	put_unaligned_le64(ha->sns_cmd_dma, &sns_cmd->p.cmd.buffer_address);
983  	sns_cmd->p.cmd.subcommand_length = cpu_to_le16(scmd_len);
984  	sns_cmd->p.cmd.subcommand = cpu_to_le16(cmd);
985  	wc = (data_size - 16) / 4;		/* Size in 32bit words. */
986  	sns_cmd->p.cmd.size = cpu_to_le16(wc);
987  
988  	vha->qla_stats.control_requests++;
989  
990  	return (sns_cmd);
991  }
992  
993  /**
994   * qla2x00_sns_ga_nxt() - SNS scan for fabric devices via GA_NXT command.
995   * @vha: HA context
996   * @fcport: fcport entry to updated
997   *
998   * This command uses the old Exectute SNS Command mailbox routine.
999   *
1000   * Returns 0 on success.
1001   */
1002  static int
qla2x00_sns_ga_nxt(scsi_qla_host_t * vha,fc_port_t * fcport)1003  qla2x00_sns_ga_nxt(scsi_qla_host_t *vha, fc_port_t *fcport)
1004  {
1005  	int		rval = QLA_SUCCESS;
1006  	struct qla_hw_data *ha = vha->hw;
1007  	struct sns_cmd_pkt	*sns_cmd;
1008  
1009  	/* Issue GA_NXT. */
1010  	/* Prepare SNS command request. */
1011  	sns_cmd = qla2x00_prep_sns_cmd(vha, GA_NXT_CMD, GA_NXT_SNS_SCMD_LEN,
1012  	    GA_NXT_SNS_DATA_SIZE);
1013  
1014  	/* Prepare SNS command arguments -- port_id. */
1015  	sns_cmd->p.cmd.param[0] = fcport->d_id.b.al_pa;
1016  	sns_cmd->p.cmd.param[1] = fcport->d_id.b.area;
1017  	sns_cmd->p.cmd.param[2] = fcport->d_id.b.domain;
1018  
1019  	/* Execute SNS command. */
1020  	rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, GA_NXT_SNS_CMD_SIZE / 2,
1021  	    sizeof(struct sns_cmd_pkt));
1022  	if (rval != QLA_SUCCESS) {
1023  		/*EMPTY*/
1024  		ql_dbg(ql_dbg_disc, vha, 0x205f,
1025  		    "GA_NXT Send SNS failed (%d).\n", rval);
1026  	} else if (sns_cmd->p.gan_data[8] != 0x80 ||
1027  	    sns_cmd->p.gan_data[9] != 0x02) {
1028  		ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2084,
1029  		    "GA_NXT failed, rejected request ga_nxt_rsp:\n");
1030  		ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2074,
1031  		    sns_cmd->p.gan_data, 16);
1032  		rval = QLA_FUNCTION_FAILED;
1033  	} else {
1034  		/* Populate fc_port_t entry. */
1035  		fcport->d_id.b.domain = sns_cmd->p.gan_data[17];
1036  		fcport->d_id.b.area = sns_cmd->p.gan_data[18];
1037  		fcport->d_id.b.al_pa = sns_cmd->p.gan_data[19];
1038  
1039  		memcpy(fcport->node_name, &sns_cmd->p.gan_data[284], WWN_SIZE);
1040  		memcpy(fcport->port_name, &sns_cmd->p.gan_data[20], WWN_SIZE);
1041  
1042  		if (sns_cmd->p.gan_data[16] != NS_N_PORT_TYPE &&
1043  		    sns_cmd->p.gan_data[16] != NS_NL_PORT_TYPE)
1044  			fcport->d_id.b.domain = 0xf0;
1045  
1046  		ql_dbg(ql_dbg_disc, vha, 0x2061,
1047  		    "GA_NXT entry - nn %8phN pn %8phN "
1048  		    "port_id=%02x%02x%02x.\n",
1049  		    fcport->node_name, fcport->port_name,
1050  		    fcport->d_id.b.domain, fcport->d_id.b.area,
1051  		    fcport->d_id.b.al_pa);
1052  	}
1053  
1054  	return (rval);
1055  }
1056  
1057  /**
1058   * qla2x00_sns_gid_pt() - SNS scan for fabric devices via GID_PT command.
1059   * @vha: HA context
1060   * @list: switch info entries to populate
1061   *
1062   * This command uses the old Exectute SNS Command mailbox routine.
1063   *
1064   * NOTE: Non-Nx_Ports are not requested.
1065   *
1066   * Returns 0 on success.
1067   */
1068  static int
qla2x00_sns_gid_pt(scsi_qla_host_t * vha,sw_info_t * list)1069  qla2x00_sns_gid_pt(scsi_qla_host_t *vha, sw_info_t *list)
1070  {
1071  	int		rval;
1072  	struct qla_hw_data *ha = vha->hw;
1073  	uint16_t	i;
1074  	uint8_t		*entry;
1075  	struct sns_cmd_pkt	*sns_cmd;
1076  	uint16_t gid_pt_sns_data_size;
1077  
1078  	gid_pt_sns_data_size = qla2x00_gid_pt_rsp_size(vha);
1079  
1080  	/* Issue GID_PT. */
1081  	/* Prepare SNS command request. */
1082  	sns_cmd = qla2x00_prep_sns_cmd(vha, GID_PT_CMD, GID_PT_SNS_SCMD_LEN,
1083  	    gid_pt_sns_data_size);
1084  
1085  	/* Prepare SNS command arguments -- port_type. */
1086  	sns_cmd->p.cmd.param[0] = NS_NX_PORT_TYPE;
1087  
1088  	/* Execute SNS command. */
1089  	rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, GID_PT_SNS_CMD_SIZE / 2,
1090  	    sizeof(struct sns_cmd_pkt));
1091  	if (rval != QLA_SUCCESS) {
1092  		/*EMPTY*/
1093  		ql_dbg(ql_dbg_disc, vha, 0x206d,
1094  		    "GID_PT Send SNS failed (%d).\n", rval);
1095  	} else if (sns_cmd->p.gid_data[8] != 0x80 ||
1096  	    sns_cmd->p.gid_data[9] != 0x02) {
1097  		ql_dbg(ql_dbg_disc, vha, 0x202f,
1098  		    "GID_PT failed, rejected request, gid_rsp:\n");
1099  		ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2081,
1100  		    sns_cmd->p.gid_data, 16);
1101  		rval = QLA_FUNCTION_FAILED;
1102  	} else {
1103  		/* Set port IDs in switch info list. */
1104  		for (i = 0; i < ha->max_fibre_devices; i++) {
1105  			entry = &sns_cmd->p.gid_data[(i * 4) + 16];
1106  			list[i].d_id.b.domain = entry[1];
1107  			list[i].d_id.b.area = entry[2];
1108  			list[i].d_id.b.al_pa = entry[3];
1109  
1110  			/* Last one exit. */
1111  			if (entry[0] & BIT_7) {
1112  				list[i].d_id.b.rsvd_1 = entry[0];
1113  				break;
1114  			}
1115  		}
1116  
1117  		/*
1118  		 * If we've used all available slots, then the switch is
1119  		 * reporting back more devices that we can handle with this
1120  		 * single call.  Return a failed status, and let GA_NXT handle
1121  		 * the overload.
1122  		 */
1123  		if (i == ha->max_fibre_devices)
1124  			rval = QLA_FUNCTION_FAILED;
1125  	}
1126  
1127  	return (rval);
1128  }
1129  
1130  /**
1131   * qla2x00_sns_gpn_id() - SNS Get Port Name (GPN_ID) query.
1132   * @vha: HA context
1133   * @list: switch info entries to populate
1134   *
1135   * This command uses the old Exectute SNS Command mailbox routine.
1136   *
1137   * Returns 0 on success.
1138   */
1139  static int
qla2x00_sns_gpn_id(scsi_qla_host_t * vha,sw_info_t * list)1140  qla2x00_sns_gpn_id(scsi_qla_host_t *vha, sw_info_t *list)
1141  {
1142  	int		rval = QLA_SUCCESS;
1143  	struct qla_hw_data *ha = vha->hw;
1144  	uint16_t	i;
1145  	struct sns_cmd_pkt	*sns_cmd;
1146  
1147  	for (i = 0; i < ha->max_fibre_devices; i++) {
1148  		/* Issue GPN_ID */
1149  		/* Prepare SNS command request. */
1150  		sns_cmd = qla2x00_prep_sns_cmd(vha, GPN_ID_CMD,
1151  		    GPN_ID_SNS_SCMD_LEN, GPN_ID_SNS_DATA_SIZE);
1152  
1153  		/* Prepare SNS command arguments -- port_id. */
1154  		sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
1155  		sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
1156  		sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
1157  
1158  		/* Execute SNS command. */
1159  		rval = qla2x00_send_sns(vha, ha->sns_cmd_dma,
1160  		    GPN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
1161  		if (rval != QLA_SUCCESS) {
1162  			/*EMPTY*/
1163  			ql_dbg(ql_dbg_disc, vha, 0x2032,
1164  			    "GPN_ID Send SNS failed (%d).\n", rval);
1165  		} else if (sns_cmd->p.gpn_data[8] != 0x80 ||
1166  		    sns_cmd->p.gpn_data[9] != 0x02) {
1167  			ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x207e,
1168  			    "GPN_ID failed, rejected request, gpn_rsp:\n");
1169  			ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x207f,
1170  			    sns_cmd->p.gpn_data, 16);
1171  			rval = QLA_FUNCTION_FAILED;
1172  		} else {
1173  			/* Save portname */
1174  			memcpy(list[i].port_name, &sns_cmd->p.gpn_data[16],
1175  			    WWN_SIZE);
1176  		}
1177  
1178  		/* Last device exit. */
1179  		if (list[i].d_id.b.rsvd_1 != 0)
1180  			break;
1181  	}
1182  
1183  	return (rval);
1184  }
1185  
1186  /**
1187   * qla2x00_sns_gnn_id() - SNS Get Node Name (GNN_ID) query.
1188   * @vha: HA context
1189   * @list: switch info entries to populate
1190   *
1191   * This command uses the old Exectute SNS Command mailbox routine.
1192   *
1193   * Returns 0 on success.
1194   */
1195  static int
qla2x00_sns_gnn_id(scsi_qla_host_t * vha,sw_info_t * list)1196  qla2x00_sns_gnn_id(scsi_qla_host_t *vha, sw_info_t *list)
1197  {
1198  	int		rval = QLA_SUCCESS;
1199  	struct qla_hw_data *ha = vha->hw;
1200  	uint16_t	i;
1201  	struct sns_cmd_pkt	*sns_cmd;
1202  
1203  	for (i = 0; i < ha->max_fibre_devices; i++) {
1204  		/* Issue GNN_ID */
1205  		/* Prepare SNS command request. */
1206  		sns_cmd = qla2x00_prep_sns_cmd(vha, GNN_ID_CMD,
1207  		    GNN_ID_SNS_SCMD_LEN, GNN_ID_SNS_DATA_SIZE);
1208  
1209  		/* Prepare SNS command arguments -- port_id. */
1210  		sns_cmd->p.cmd.param[0] = list[i].d_id.b.al_pa;
1211  		sns_cmd->p.cmd.param[1] = list[i].d_id.b.area;
1212  		sns_cmd->p.cmd.param[2] = list[i].d_id.b.domain;
1213  
1214  		/* Execute SNS command. */
1215  		rval = qla2x00_send_sns(vha, ha->sns_cmd_dma,
1216  		    GNN_ID_SNS_CMD_SIZE / 2, sizeof(struct sns_cmd_pkt));
1217  		if (rval != QLA_SUCCESS) {
1218  			/*EMPTY*/
1219  			ql_dbg(ql_dbg_disc, vha, 0x203f,
1220  			    "GNN_ID Send SNS failed (%d).\n", rval);
1221  		} else if (sns_cmd->p.gnn_data[8] != 0x80 ||
1222  		    sns_cmd->p.gnn_data[9] != 0x02) {
1223  			ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2082,
1224  			    "GNN_ID failed, rejected request, gnn_rsp:\n");
1225  			ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x207a,
1226  			    sns_cmd->p.gnn_data, 16);
1227  			rval = QLA_FUNCTION_FAILED;
1228  		} else {
1229  			/* Save nodename */
1230  			memcpy(list[i].node_name, &sns_cmd->p.gnn_data[16],
1231  			    WWN_SIZE);
1232  
1233  			ql_dbg(ql_dbg_disc, vha, 0x206e,
1234  			    "GID_PT entry - nn %8phN pn %8phN "
1235  			    "port_id=%02x%02x%02x.\n",
1236  			    list[i].node_name, list[i].port_name,
1237  			    list[i].d_id.b.domain, list[i].d_id.b.area,
1238  			    list[i].d_id.b.al_pa);
1239  		}
1240  
1241  		/* Last device exit. */
1242  		if (list[i].d_id.b.rsvd_1 != 0)
1243  			break;
1244  	}
1245  
1246  	return (rval);
1247  }
1248  
1249  /**
1250   * qla2x00_sns_rft_id() - SNS Register FC-4 TYPEs (RFT_ID) supported by the HBA.
1251   * @vha: HA context
1252   *
1253   * This command uses the old Exectute SNS Command mailbox routine.
1254   *
1255   * Returns 0 on success.
1256   */
1257  static int
qla2x00_sns_rft_id(scsi_qla_host_t * vha)1258  qla2x00_sns_rft_id(scsi_qla_host_t *vha)
1259  {
1260  	int		rval;
1261  	struct qla_hw_data *ha = vha->hw;
1262  	struct sns_cmd_pkt	*sns_cmd;
1263  
1264  	/* Issue RFT_ID. */
1265  	/* Prepare SNS command request. */
1266  	sns_cmd = qla2x00_prep_sns_cmd(vha, RFT_ID_CMD, RFT_ID_SNS_SCMD_LEN,
1267  	    RFT_ID_SNS_DATA_SIZE);
1268  
1269  	/* Prepare SNS command arguments -- port_id, FC-4 types */
1270  	sns_cmd->p.cmd.param[0] = vha->d_id.b.al_pa;
1271  	sns_cmd->p.cmd.param[1] = vha->d_id.b.area;
1272  	sns_cmd->p.cmd.param[2] = vha->d_id.b.domain;
1273  
1274  	sns_cmd->p.cmd.param[5] = 0x01;			/* FCP-3 */
1275  
1276  	/* Execute SNS command. */
1277  	rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, RFT_ID_SNS_CMD_SIZE / 2,
1278  	    sizeof(struct sns_cmd_pkt));
1279  	if (rval != QLA_SUCCESS) {
1280  		/*EMPTY*/
1281  		ql_dbg(ql_dbg_disc, vha, 0x2060,
1282  		    "RFT_ID Send SNS failed (%d).\n", rval);
1283  	} else if (sns_cmd->p.rft_data[8] != 0x80 ||
1284  	    sns_cmd->p.rft_data[9] != 0x02) {
1285  		ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x2083,
1286  		    "RFT_ID failed, rejected request rft_rsp:\n");
1287  		ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2080,
1288  		    sns_cmd->p.rft_data, 16);
1289  		rval = QLA_FUNCTION_FAILED;
1290  	} else {
1291  		ql_dbg(ql_dbg_disc, vha, 0x2073,
1292  		    "RFT_ID exiting normally.\n");
1293  	}
1294  
1295  	return (rval);
1296  }
1297  
1298  /**
1299   * qla2x00_sns_rnn_id() - SNS Register Node Name (RNN_ID) of the HBA.
1300   * @vha: HA context
1301   *
1302   * This command uses the old Exectute SNS Command mailbox routine.
1303   *
1304   * Returns 0 on success.
1305   */
1306  static int
qla2x00_sns_rnn_id(scsi_qla_host_t * vha)1307  qla2x00_sns_rnn_id(scsi_qla_host_t *vha)
1308  {
1309  	int		rval;
1310  	struct qla_hw_data *ha = vha->hw;
1311  	struct sns_cmd_pkt	*sns_cmd;
1312  
1313  	/* Issue RNN_ID. */
1314  	/* Prepare SNS command request. */
1315  	sns_cmd = qla2x00_prep_sns_cmd(vha, RNN_ID_CMD, RNN_ID_SNS_SCMD_LEN,
1316  	    RNN_ID_SNS_DATA_SIZE);
1317  
1318  	/* Prepare SNS command arguments -- port_id, nodename. */
1319  	sns_cmd->p.cmd.param[0] = vha->d_id.b.al_pa;
1320  	sns_cmd->p.cmd.param[1] = vha->d_id.b.area;
1321  	sns_cmd->p.cmd.param[2] = vha->d_id.b.domain;
1322  
1323  	sns_cmd->p.cmd.param[4] = vha->node_name[7];
1324  	sns_cmd->p.cmd.param[5] = vha->node_name[6];
1325  	sns_cmd->p.cmd.param[6] = vha->node_name[5];
1326  	sns_cmd->p.cmd.param[7] = vha->node_name[4];
1327  	sns_cmd->p.cmd.param[8] = vha->node_name[3];
1328  	sns_cmd->p.cmd.param[9] = vha->node_name[2];
1329  	sns_cmd->p.cmd.param[10] = vha->node_name[1];
1330  	sns_cmd->p.cmd.param[11] = vha->node_name[0];
1331  
1332  	/* Execute SNS command. */
1333  	rval = qla2x00_send_sns(vha, ha->sns_cmd_dma, RNN_ID_SNS_CMD_SIZE / 2,
1334  	    sizeof(struct sns_cmd_pkt));
1335  	if (rval != QLA_SUCCESS) {
1336  		/*EMPTY*/
1337  		ql_dbg(ql_dbg_disc, vha, 0x204a,
1338  		    "RNN_ID Send SNS failed (%d).\n", rval);
1339  	} else if (sns_cmd->p.rnn_data[8] != 0x80 ||
1340  	    sns_cmd->p.rnn_data[9] != 0x02) {
1341  		ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x207b,
1342  		    "RNN_ID failed, rejected request, rnn_rsp:\n");
1343  		ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x207c,
1344  		    sns_cmd->p.rnn_data, 16);
1345  		rval = QLA_FUNCTION_FAILED;
1346  	} else {
1347  		ql_dbg(ql_dbg_disc, vha, 0x204c,
1348  		    "RNN_ID exiting normally.\n");
1349  	}
1350  
1351  	return (rval);
1352  }
1353  
1354  /**
1355   * qla2x00_mgmt_svr_login() - Login to fabric Management Service.
1356   * @vha: HA context
1357   *
1358   * Returns 0 on success.
1359   */
1360  int
qla2x00_mgmt_svr_login(scsi_qla_host_t * vha)1361  qla2x00_mgmt_svr_login(scsi_qla_host_t *vha)
1362  {
1363  	int ret, rval;
1364  	uint16_t mb[MAILBOX_REGISTER_COUNT];
1365  	struct qla_hw_data *ha = vha->hw;
1366  
1367  	ret = QLA_SUCCESS;
1368  	if (vha->flags.management_server_logged_in)
1369  		return ret;
1370  
1371  	rval = ha->isp_ops->fabric_login(vha, vha->mgmt_svr_loop_id, 0xff, 0xff,
1372  	    0xfa, mb, BIT_1);
1373  	if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
1374  		if (rval == QLA_MEMORY_ALLOC_FAILED)
1375  			ql_dbg(ql_dbg_disc, vha, 0x2085,
1376  			    "Failed management_server login: loopid=%x "
1377  			    "rval=%d\n", vha->mgmt_svr_loop_id, rval);
1378  		else
1379  			ql_dbg(ql_dbg_disc, vha, 0x2024,
1380  			    "Failed management_server login: loopid=%x "
1381  			    "mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x.\n",
1382  			    vha->mgmt_svr_loop_id, mb[0], mb[1], mb[2], mb[6],
1383  			    mb[7]);
1384  		ret = QLA_FUNCTION_FAILED;
1385  	} else
1386  		vha->flags.management_server_logged_in = 1;
1387  
1388  	return ret;
1389  }
1390  
1391  /**
1392   * qla2x00_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
1393   * @vha: HA context
1394   * @req_size: request size in bytes
1395   * @rsp_size: response size in bytes
1396   *
1397   * Returns a pointer to the @ha's ms_iocb.
1398   */
1399  void *
qla2x00_prep_ms_fdmi_iocb(scsi_qla_host_t * vha,uint32_t req_size,uint32_t rsp_size)1400  qla2x00_prep_ms_fdmi_iocb(scsi_qla_host_t *vha, uint32_t req_size,
1401      uint32_t rsp_size)
1402  {
1403  	ms_iocb_entry_t *ms_pkt;
1404  	struct qla_hw_data *ha = vha->hw;
1405  
1406  	ms_pkt = ha->ms_iocb;
1407  	memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
1408  
1409  	ms_pkt->entry_type = MS_IOCB_TYPE;
1410  	ms_pkt->entry_count = 1;
1411  	SET_TARGET_ID(ha, ms_pkt->loop_id, vha->mgmt_svr_loop_id);
1412  	ms_pkt->control_flags = cpu_to_le16(CF_READ | CF_HEAD_TAG);
1413  	ms_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1414  	ms_pkt->cmd_dsd_count = cpu_to_le16(1);
1415  	ms_pkt->total_dsd_count = cpu_to_le16(2);
1416  	ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
1417  	ms_pkt->req_bytecount = cpu_to_le32(req_size);
1418  
1419  	put_unaligned_le64(ha->ct_sns_dma, &ms_pkt->req_dsd.address);
1420  	ms_pkt->req_dsd.length = ms_pkt->req_bytecount;
1421  
1422  	put_unaligned_le64(ha->ct_sns_dma, &ms_pkt->rsp_dsd.address);
1423  	ms_pkt->rsp_dsd.length = ms_pkt->rsp_bytecount;
1424  
1425  	return ms_pkt;
1426  }
1427  
1428  /**
1429   * qla24xx_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
1430   * @vha: HA context
1431   * @req_size: request size in bytes
1432   * @rsp_size: response size in bytes
1433   *
1434   * Returns a pointer to the @ha's ms_iocb.
1435   */
1436  void *
qla24xx_prep_ms_fdmi_iocb(scsi_qla_host_t * vha,uint32_t req_size,uint32_t rsp_size)1437  qla24xx_prep_ms_fdmi_iocb(scsi_qla_host_t *vha, uint32_t req_size,
1438      uint32_t rsp_size)
1439  {
1440  	struct ct_entry_24xx *ct_pkt;
1441  	struct qla_hw_data *ha = vha->hw;
1442  
1443  	ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1444  	memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
1445  
1446  	ct_pkt->entry_type = CT_IOCB_TYPE;
1447  	ct_pkt->entry_count = 1;
1448  	ct_pkt->nport_handle = cpu_to_le16(vha->mgmt_svr_loop_id);
1449  	ct_pkt->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
1450  	ct_pkt->cmd_dsd_count = cpu_to_le16(1);
1451  	ct_pkt->rsp_dsd_count = cpu_to_le16(1);
1452  	ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
1453  	ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1454  
1455  	put_unaligned_le64(ha->ct_sns_dma, &ct_pkt->dsd[0].address);
1456  	ct_pkt->dsd[0].length = ct_pkt->cmd_byte_count;
1457  
1458  	put_unaligned_le64(ha->ct_sns_dma, &ct_pkt->dsd[1].address);
1459  	ct_pkt->dsd[1].length = ct_pkt->rsp_byte_count;
1460  	ct_pkt->vp_index = vha->vp_idx;
1461  
1462  	return ct_pkt;
1463  }
1464  
1465  static void
qla2x00_update_ms_fdmi_iocb(scsi_qla_host_t * vha,uint32_t req_size)1466  qla2x00_update_ms_fdmi_iocb(scsi_qla_host_t *vha, uint32_t req_size)
1467  {
1468  	struct qla_hw_data *ha = vha->hw;
1469  	ms_iocb_entry_t *ms_pkt = ha->ms_iocb;
1470  	struct ct_entry_24xx *ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
1471  
1472  	if (IS_FWI2_CAPABLE(ha)) {
1473  		ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
1474  		ct_pkt->dsd[0].length = ct_pkt->cmd_byte_count;
1475  	} else {
1476  		ms_pkt->req_bytecount = cpu_to_le32(req_size);
1477  		ms_pkt->req_dsd.length = ms_pkt->req_bytecount;
1478  	}
1479  }
1480  
1481  /**
1482   * qla2x00_prep_ct_fdmi_req() - Prepare common CT request fields for SNS query.
1483   * @p: CT request buffer
1484   * @cmd: GS command
1485   * @rsp_size: response size in bytes
1486   *
1487   * Returns a pointer to the intitialized @ct_req.
1488   */
1489  static inline struct ct_sns_req *
qla2x00_prep_ct_fdmi_req(struct ct_sns_pkt * p,uint16_t cmd,uint16_t rsp_size)1490  qla2x00_prep_ct_fdmi_req(struct ct_sns_pkt *p, uint16_t cmd,
1491      uint16_t rsp_size)
1492  {
1493  	memset(p, 0, sizeof(struct ct_sns_pkt));
1494  
1495  	p->p.req.header.revision = 0x01;
1496  	p->p.req.header.gs_type = 0xFA;
1497  	p->p.req.header.gs_subtype = 0x10;
1498  	p->p.req.command = cpu_to_be16(cmd);
1499  	p->p.req.max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
1500  
1501  	return &p->p.req;
1502  }
1503  
1504  uint
qla25xx_fdmi_port_speed_capability(struct qla_hw_data * ha)1505  qla25xx_fdmi_port_speed_capability(struct qla_hw_data *ha)
1506  {
1507  	uint speeds = 0;
1508  
1509  	if (IS_CNA_CAPABLE(ha))
1510  		return FDMI_PORT_SPEED_10GB;
1511  	if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) {
1512  		if (ha->max_supported_speed == 2) {
1513  			if (ha->min_supported_speed <= 6)
1514  				speeds |= FDMI_PORT_SPEED_64GB;
1515  		}
1516  		if (ha->max_supported_speed == 2 ||
1517  		    ha->max_supported_speed == 1) {
1518  			if (ha->min_supported_speed <= 5)
1519  				speeds |= FDMI_PORT_SPEED_32GB;
1520  		}
1521  		if (ha->max_supported_speed == 2 ||
1522  		    ha->max_supported_speed == 1 ||
1523  		    ha->max_supported_speed == 0) {
1524  			if (ha->min_supported_speed <= 4)
1525  				speeds |= FDMI_PORT_SPEED_16GB;
1526  		}
1527  		if (ha->max_supported_speed == 1 ||
1528  		    ha->max_supported_speed == 0) {
1529  			if (ha->min_supported_speed <= 3)
1530  				speeds |= FDMI_PORT_SPEED_8GB;
1531  		}
1532  		if (ha->max_supported_speed == 0) {
1533  			if (ha->min_supported_speed <= 2)
1534  				speeds |= FDMI_PORT_SPEED_4GB;
1535  		}
1536  		return speeds;
1537  	}
1538  	if (IS_QLA2031(ha)) {
1539  		if ((ha->pdev->subsystem_vendor == 0x103C) &&
1540  		    ((ha->pdev->subsystem_device == 0x8002) ||
1541  		    (ha->pdev->subsystem_device == 0x8086))) {
1542  			speeds = FDMI_PORT_SPEED_16GB;
1543  		} else {
1544  			speeds = FDMI_PORT_SPEED_16GB|FDMI_PORT_SPEED_8GB|
1545  				FDMI_PORT_SPEED_4GB;
1546  		}
1547  		return speeds;
1548  	}
1549  	if (IS_QLA25XX(ha) || IS_QLAFX00(ha))
1550  		return FDMI_PORT_SPEED_8GB|FDMI_PORT_SPEED_4GB|
1551  			FDMI_PORT_SPEED_2GB|FDMI_PORT_SPEED_1GB;
1552  	if (IS_QLA24XX_TYPE(ha))
1553  		return FDMI_PORT_SPEED_4GB|FDMI_PORT_SPEED_2GB|
1554  			FDMI_PORT_SPEED_1GB;
1555  	if (IS_QLA23XX(ha))
1556  		return FDMI_PORT_SPEED_2GB|FDMI_PORT_SPEED_1GB;
1557  	return FDMI_PORT_SPEED_1GB;
1558  }
1559  
1560  uint
qla25xx_fdmi_port_speed_currently(struct qla_hw_data * ha)1561  qla25xx_fdmi_port_speed_currently(struct qla_hw_data *ha)
1562  {
1563  	switch (ha->link_data_rate) {
1564  	case PORT_SPEED_1GB:
1565  		return FDMI_PORT_SPEED_1GB;
1566  	case PORT_SPEED_2GB:
1567  		return FDMI_PORT_SPEED_2GB;
1568  	case PORT_SPEED_4GB:
1569  		return FDMI_PORT_SPEED_4GB;
1570  	case PORT_SPEED_8GB:
1571  		return FDMI_PORT_SPEED_8GB;
1572  	case PORT_SPEED_10GB:
1573  		return FDMI_PORT_SPEED_10GB;
1574  	case PORT_SPEED_16GB:
1575  		return FDMI_PORT_SPEED_16GB;
1576  	case PORT_SPEED_32GB:
1577  		return FDMI_PORT_SPEED_32GB;
1578  	case PORT_SPEED_64GB:
1579  		return FDMI_PORT_SPEED_64GB;
1580  	default:
1581  		return FDMI_PORT_SPEED_UNKNOWN;
1582  	}
1583  }
1584  
1585  /**
1586   * qla2x00_hba_attributes() - perform HBA attributes registration
1587   * @vha: HA context
1588   * @entries: number of entries to use
1589   * @callopt: Option to issue extended or standard FDMI
1590   *           command parameter
1591   *
1592   * Returns 0 on success.
1593   */
1594  static unsigned long
qla2x00_hba_attributes(scsi_qla_host_t * vha,void * entries,unsigned int callopt)1595  qla2x00_hba_attributes(scsi_qla_host_t *vha, void *entries,
1596  	unsigned int callopt)
1597  {
1598  	struct qla_hw_data *ha = vha->hw;
1599  	struct new_utsname *p_sysid = utsname();
1600  	struct ct_fdmi_hba_attr *eiter;
1601  	uint16_t alen;
1602  	unsigned long size = 0;
1603  
1604  	/* Nodename. */
1605  	eiter = entries + size;
1606  	eiter->type = cpu_to_be16(FDMI_HBA_NODE_NAME);
1607  	memcpy(eiter->a.node_name, vha->node_name, sizeof(eiter->a.node_name));
1608  	alen = sizeof(eiter->a.node_name);
1609  	alen += FDMI_ATTR_TYPELEN(eiter);
1610  	eiter->len = cpu_to_be16(alen);
1611  	size += alen;
1612  	ql_dbg(ql_dbg_disc, vha, 0x20a0,
1613  	    "NODENAME = %016llx.\n", wwn_to_u64(eiter->a.node_name));
1614  	/* Manufacturer. */
1615  	eiter = entries + size;
1616  	eiter->type = cpu_to_be16(FDMI_HBA_MANUFACTURER);
1617  	alen = scnprintf(
1618  		eiter->a.manufacturer, sizeof(eiter->a.manufacturer),
1619  		"%s", QLA2XXX_MANUFACTURER);
1620  	alen += FDMI_ATTR_ALIGNMENT(alen);
1621  	alen += FDMI_ATTR_TYPELEN(eiter);
1622  	eiter->len = cpu_to_be16(alen);
1623  	size += alen;
1624  	ql_dbg(ql_dbg_disc, vha, 0x20a1,
1625  	    "MANUFACTURER = %s.\n", eiter->a.manufacturer);
1626  	/* Serial number. */
1627  	eiter = entries + size;
1628  	eiter->type = cpu_to_be16(FDMI_HBA_SERIAL_NUMBER);
1629  	alen = 0;
1630  	if (IS_FWI2_CAPABLE(ha)) {
1631  		alen = qla2xxx_get_vpd_field(vha, "SN",
1632  		    eiter->a.serial_num, sizeof(eiter->a.serial_num));
1633  	}
1634  	if (!alen) {
1635  		uint32_t sn = ((ha->serial0 & 0x1f) << 16) |
1636  			(ha->serial2 << 8) | ha->serial1;
1637  		alen = scnprintf(
1638  			eiter->a.serial_num, sizeof(eiter->a.serial_num),
1639  			"%c%05d", 'A' + sn / 100000, sn % 100000);
1640  	}
1641  	alen += FDMI_ATTR_ALIGNMENT(alen);
1642  	alen += FDMI_ATTR_TYPELEN(eiter);
1643  	eiter->len = cpu_to_be16(alen);
1644  	size += alen;
1645  	ql_dbg(ql_dbg_disc, vha, 0x20a2,
1646  	    "SERIAL NUMBER = %s.\n", eiter->a.serial_num);
1647  	/* Model name. */
1648  	eiter = entries + size;
1649  	eiter->type = cpu_to_be16(FDMI_HBA_MODEL);
1650  	alen = scnprintf(
1651  		eiter->a.model, sizeof(eiter->a.model),
1652  		"%s", ha->model_number);
1653  	alen += FDMI_ATTR_ALIGNMENT(alen);
1654  	alen += FDMI_ATTR_TYPELEN(eiter);
1655  	eiter->len = cpu_to_be16(alen);
1656  	size += alen;
1657  	ql_dbg(ql_dbg_disc, vha, 0x20a3,
1658  	    "MODEL NAME = %s.\n", eiter->a.model);
1659  	/* Model description. */
1660  	eiter = entries + size;
1661  	eiter->type = cpu_to_be16(FDMI_HBA_MODEL_DESCRIPTION);
1662  	alen = scnprintf(
1663  		eiter->a.model_desc, sizeof(eiter->a.model_desc),
1664  		"%s", ha->model_desc);
1665  	alen += FDMI_ATTR_ALIGNMENT(alen);
1666  	alen += FDMI_ATTR_TYPELEN(eiter);
1667  	eiter->len = cpu_to_be16(alen);
1668  	size += alen;
1669  	ql_dbg(ql_dbg_disc, vha, 0x20a4,
1670  	    "MODEL DESCRIPTION = %s.\n", eiter->a.model_desc);
1671  	/* Hardware version. */
1672  	eiter = entries + size;
1673  	eiter->type = cpu_to_be16(FDMI_HBA_HARDWARE_VERSION);
1674  	alen = 0;
1675  	if (IS_FWI2_CAPABLE(ha)) {
1676  		if (!alen) {
1677  			alen = qla2xxx_get_vpd_field(vha, "MN",
1678  			    eiter->a.hw_version, sizeof(eiter->a.hw_version));
1679  		}
1680  		if (!alen) {
1681  			alen = qla2xxx_get_vpd_field(vha, "EC",
1682  			    eiter->a.hw_version, sizeof(eiter->a.hw_version));
1683  		}
1684  	}
1685  	if (!alen) {
1686  		alen = scnprintf(
1687  			eiter->a.hw_version, sizeof(eiter->a.hw_version),
1688  			"HW:%s", ha->adapter_id);
1689  	}
1690  	alen += FDMI_ATTR_ALIGNMENT(alen);
1691  	alen += FDMI_ATTR_TYPELEN(eiter);
1692  	eiter->len = cpu_to_be16(alen);
1693  	size += alen;
1694  	ql_dbg(ql_dbg_disc, vha, 0x20a5,
1695  	    "HARDWARE VERSION = %s.\n", eiter->a.hw_version);
1696  	/* Driver version. */
1697  	eiter = entries + size;
1698  	eiter->type = cpu_to_be16(FDMI_HBA_DRIVER_VERSION);
1699  	alen = scnprintf(
1700  		eiter->a.driver_version, sizeof(eiter->a.driver_version),
1701  		"%s", qla2x00_version_str);
1702  	alen += FDMI_ATTR_ALIGNMENT(alen);
1703  	alen += FDMI_ATTR_TYPELEN(eiter);
1704  	eiter->len = cpu_to_be16(alen);
1705  	size += alen;
1706  	ql_dbg(ql_dbg_disc, vha, 0x20a6,
1707  	    "DRIVER VERSION = %s.\n", eiter->a.driver_version);
1708  	/* Option ROM version. */
1709  	eiter = entries + size;
1710  	eiter->type = cpu_to_be16(FDMI_HBA_OPTION_ROM_VERSION);
1711  	alen = scnprintf(
1712  		eiter->a.orom_version, sizeof(eiter->a.orom_version),
1713  		"%d.%02d", ha->efi_revision[1], ha->efi_revision[0]);
1714  	alen += FDMI_ATTR_ALIGNMENT(alen);
1715  	alen += FDMI_ATTR_TYPELEN(eiter);
1716  	eiter->len = cpu_to_be16(alen);
1717  	size += alen;
1718  
1719  	ql_dbg(ql_dbg_disc, vha, 0x20a7,
1720  	    "OPTROM VERSION = %d.%02d.\n",
1721  	    eiter->a.orom_version[1], eiter->a.orom_version[0]);
1722  	/* Firmware version */
1723  	eiter = entries + size;
1724  	eiter->type = cpu_to_be16(FDMI_HBA_FIRMWARE_VERSION);
1725  	ha->isp_ops->fw_version_str(vha, eiter->a.fw_version,
1726  	    sizeof(eiter->a.fw_version));
1727  	alen += FDMI_ATTR_ALIGNMENT(alen);
1728  	alen += FDMI_ATTR_TYPELEN(eiter);
1729  	eiter->len = cpu_to_be16(alen);
1730  	size += alen;
1731  	ql_dbg(ql_dbg_disc, vha, 0x20a8,
1732  	    "FIRMWARE VERSION = %s.\n", eiter->a.fw_version);
1733  	/* OS Name and Version */
1734  	eiter = entries + size;
1735  	eiter->type = cpu_to_be16(FDMI_HBA_OS_NAME_AND_VERSION);
1736  	alen = 0;
1737  	if (p_sysid) {
1738  		alen = scnprintf(
1739  			eiter->a.os_version, sizeof(eiter->a.os_version),
1740  			"%s %s %s",
1741  			p_sysid->sysname, p_sysid->release, p_sysid->machine);
1742  	}
1743  	if (!alen) {
1744  		alen = scnprintf(
1745  			eiter->a.os_version, sizeof(eiter->a.os_version),
1746  			"%s %s",
1747  			"Linux", fc_host_system_hostname(vha->host));
1748  	}
1749  	alen += FDMI_ATTR_ALIGNMENT(alen);
1750  	alen += FDMI_ATTR_TYPELEN(eiter);
1751  	eiter->len = cpu_to_be16(alen);
1752  	size += alen;
1753  	ql_dbg(ql_dbg_disc, vha, 0x20a9,
1754  	    "OS VERSION = %s.\n", eiter->a.os_version);
1755  	if (callopt == CALLOPT_FDMI1)
1756  		goto done;
1757  	/* MAX CT Payload Length */
1758  	eiter = entries + size;
1759  	eiter->type = cpu_to_be16(FDMI_HBA_MAXIMUM_CT_PAYLOAD_LENGTH);
1760  	eiter->a.max_ct_len = cpu_to_be32(ha->frame_payload_size >> 2);
1761  
1762  	alen = sizeof(eiter->a.max_ct_len);
1763  	alen += FDMI_ATTR_TYPELEN(eiter);
1764  	eiter->len = cpu_to_be16(alen);
1765  	size += alen;
1766  	ql_dbg(ql_dbg_disc, vha, 0x20aa,
1767  	    "CT PAYLOAD LENGTH = 0x%x.\n", be32_to_cpu(eiter->a.max_ct_len));
1768  	/* Node Symbolic Name */
1769  	eiter = entries + size;
1770  	eiter->type = cpu_to_be16(FDMI_HBA_NODE_SYMBOLIC_NAME);
1771  	alen = qla2x00_get_sym_node_name(vha, eiter->a.sym_name,
1772  	    sizeof(eiter->a.sym_name));
1773  	alen += FDMI_ATTR_ALIGNMENT(alen);
1774  	alen += FDMI_ATTR_TYPELEN(eiter);
1775  	eiter->len = cpu_to_be16(alen);
1776  	size += alen;
1777  	ql_dbg(ql_dbg_disc, vha, 0x20ab,
1778  	    "SYMBOLIC NAME = %s.\n", eiter->a.sym_name);
1779  	/* Vendor Specific information */
1780  	eiter = entries + size;
1781  	eiter->type = cpu_to_be16(FDMI_HBA_VENDOR_SPECIFIC_INFO);
1782  	eiter->a.vendor_specific_info = cpu_to_be32(PCI_VENDOR_ID_QLOGIC);
1783  	alen = sizeof(eiter->a.vendor_specific_info);
1784  	alen += FDMI_ATTR_TYPELEN(eiter);
1785  	eiter->len = cpu_to_be16(alen);
1786  	size += alen;
1787  	ql_dbg(ql_dbg_disc, vha, 0x20ac,
1788  	    "VENDOR SPECIFIC INFO = 0x%x.\n",
1789  	    be32_to_cpu(eiter->a.vendor_specific_info));
1790  	/* Num Ports */
1791  	eiter = entries + size;
1792  	eiter->type = cpu_to_be16(FDMI_HBA_NUM_PORTS);
1793  	eiter->a.num_ports = cpu_to_be32(1);
1794  	alen = sizeof(eiter->a.num_ports);
1795  	alen += FDMI_ATTR_TYPELEN(eiter);
1796  	eiter->len = cpu_to_be16(alen);
1797  	size += alen;
1798  	ql_dbg(ql_dbg_disc, vha, 0x20ad,
1799  	    "PORT COUNT = %x.\n", be32_to_cpu(eiter->a.num_ports));
1800  	/* Fabric Name */
1801  	eiter = entries + size;
1802  	eiter->type = cpu_to_be16(FDMI_HBA_FABRIC_NAME);
1803  	memcpy(eiter->a.fabric_name, vha->fabric_node_name,
1804  	    sizeof(eiter->a.fabric_name));
1805  	alen = sizeof(eiter->a.fabric_name);
1806  	alen += FDMI_ATTR_TYPELEN(eiter);
1807  	eiter->len = cpu_to_be16(alen);
1808  	size += alen;
1809  	ql_dbg(ql_dbg_disc, vha, 0x20ae,
1810  	    "FABRIC NAME = %016llx.\n", wwn_to_u64(eiter->a.fabric_name));
1811  	/* BIOS Version */
1812  	eiter = entries + size;
1813  	eiter->type = cpu_to_be16(FDMI_HBA_BOOT_BIOS_NAME);
1814  	alen = scnprintf(
1815  		eiter->a.bios_name, sizeof(eiter->a.bios_name),
1816  		"BIOS %d.%02d", ha->bios_revision[1], ha->bios_revision[0]);
1817  	alen += FDMI_ATTR_ALIGNMENT(alen);
1818  	alen += FDMI_ATTR_TYPELEN(eiter);
1819  	eiter->len = cpu_to_be16(alen);
1820  	size += alen;
1821  	ql_dbg(ql_dbg_disc, vha, 0x20af,
1822  	    "BIOS NAME = %s\n", eiter->a.bios_name);
1823  	/* Vendor Identifier */
1824  	eiter = entries + size;
1825  	eiter->type = cpu_to_be16(FDMI_HBA_VENDOR_IDENTIFIER);
1826  	alen = scnprintf(
1827  		eiter->a.vendor_identifier, sizeof(eiter->a.vendor_identifier),
1828  		"%s", "QLGC");
1829  	alen += FDMI_ATTR_ALIGNMENT(alen);
1830  	alen += FDMI_ATTR_TYPELEN(eiter);
1831  	eiter->len = cpu_to_be16(alen);
1832  	size += alen;
1833  	ql_dbg(ql_dbg_disc, vha, 0x20b0,
1834  	    "VENDOR IDENTIFIER = %s.\n", eiter->a.vendor_identifier);
1835  done:
1836  	return size;
1837  }
1838  
1839  /**
1840   * qla2x00_port_attributes() - perform Port attributes registration
1841   * @vha: HA context
1842   * @entries: number of entries to use
1843   * @callopt: Option to issue extended or standard FDMI
1844   *           command parameter
1845   *
1846   * Returns 0 on success.
1847   */
1848  static unsigned long
qla2x00_port_attributes(scsi_qla_host_t * vha,void * entries,unsigned int callopt)1849  qla2x00_port_attributes(scsi_qla_host_t *vha, void *entries,
1850  	unsigned int callopt)
1851  {
1852  	struct qla_hw_data *ha = vha->hw;
1853  	struct new_utsname *p_sysid = utsname();
1854  	char *hostname = p_sysid ?
1855  		p_sysid->nodename : fc_host_system_hostname(vha->host);
1856  	struct ct_fdmi_port_attr *eiter;
1857  	uint16_t alen;
1858  	unsigned long size = 0;
1859  
1860  	/* FC4 types. */
1861  	eiter = entries + size;
1862  	eiter->type = cpu_to_be16(FDMI_PORT_FC4_TYPES);
1863  	eiter->a.fc4_types[0] = 0x00;
1864  	eiter->a.fc4_types[1] = 0x00;
1865  	eiter->a.fc4_types[2] = 0x01;
1866  	eiter->a.fc4_types[3] = 0x00;
1867  	alen = sizeof(eiter->a.fc4_types);
1868  	alen += FDMI_ATTR_TYPELEN(eiter);
1869  	eiter->len = cpu_to_be16(alen);
1870  	size += alen;
1871  	ql_dbg(ql_dbg_disc, vha, 0x20c0,
1872  	    "FC4 TYPES = %016llx.\n", *(uint64_t *)eiter->a.fc4_types);
1873  	if (vha->flags.nvme_enabled) {
1874  		eiter->a.fc4_types[6] = 1;      /* NVMe type 28h */
1875  		ql_dbg(ql_dbg_disc, vha, 0x211f,
1876  		    "NVME FC4 Type = %02x 0x0 0x0 0x0 0x0 0x0.\n",
1877  		    eiter->a.fc4_types[6]);
1878  	}
1879  	/* Supported speed. */
1880  	eiter = entries + size;
1881  	eiter->type = cpu_to_be16(FDMI_PORT_SUPPORT_SPEED);
1882  	eiter->a.sup_speed = cpu_to_be32(
1883  		qla25xx_fdmi_port_speed_capability(ha));
1884  	alen = sizeof(eiter->a.sup_speed);
1885  	alen += FDMI_ATTR_TYPELEN(eiter);
1886  	eiter->len = cpu_to_be16(alen);
1887  	size += alen;
1888  	ql_dbg(ql_dbg_disc, vha, 0x20c1,
1889  	    "SUPPORTED SPEED = %x.\n", be32_to_cpu(eiter->a.sup_speed));
1890  	/* Current speed. */
1891  	eiter = entries + size;
1892  	eiter->type = cpu_to_be16(FDMI_PORT_CURRENT_SPEED);
1893  	eiter->a.cur_speed = cpu_to_be32(
1894  		qla25xx_fdmi_port_speed_currently(ha));
1895  	alen = sizeof(eiter->a.cur_speed);
1896  	alen += FDMI_ATTR_TYPELEN(eiter);
1897  	eiter->len = cpu_to_be16(alen);
1898  	size += alen;
1899  	ql_dbg(ql_dbg_disc, vha, 0x20c2,
1900  	    "CURRENT SPEED = %x.\n", be32_to_cpu(eiter->a.cur_speed));
1901  	/* Max frame size. */
1902  	eiter = entries + size;
1903  	eiter->type = cpu_to_be16(FDMI_PORT_MAX_FRAME_SIZE);
1904  	eiter->a.max_frame_size = cpu_to_be32(ha->frame_payload_size);
1905  	alen = sizeof(eiter->a.max_frame_size);
1906  	alen += FDMI_ATTR_TYPELEN(eiter);
1907  	eiter->len = cpu_to_be16(alen);
1908  	size += alen;
1909  	ql_dbg(ql_dbg_disc, vha, 0x20c3,
1910  	    "MAX FRAME SIZE = %x.\n", be32_to_cpu(eiter->a.max_frame_size));
1911  	/* OS device name. */
1912  	eiter = entries + size;
1913  	eiter->type = cpu_to_be16(FDMI_PORT_OS_DEVICE_NAME);
1914  	alen = scnprintf(
1915  		eiter->a.os_dev_name, sizeof(eiter->a.os_dev_name),
1916  		"%s:host%lu", QLA2XXX_DRIVER_NAME, vha->host_no);
1917  	alen += FDMI_ATTR_ALIGNMENT(alen);
1918  	alen += FDMI_ATTR_TYPELEN(eiter);
1919  	eiter->len = cpu_to_be16(alen);
1920  	size += alen;
1921  	ql_dbg(ql_dbg_disc, vha, 0x20c4,
1922  	    "OS DEVICE NAME = %s.\n", eiter->a.os_dev_name);
1923  	/* Hostname. */
1924  	eiter = entries + size;
1925  	eiter->type = cpu_to_be16(FDMI_PORT_HOST_NAME);
1926  	if (!*hostname || !strncmp(hostname, "(none)", 6))
1927  		hostname = "Linux-default";
1928  	alen = scnprintf(
1929  		eiter->a.host_name, sizeof(eiter->a.host_name),
1930  		"%s", hostname);
1931  	alen += FDMI_ATTR_ALIGNMENT(alen);
1932  	alen += FDMI_ATTR_TYPELEN(eiter);
1933  	eiter->len = cpu_to_be16(alen);
1934  	size += alen;
1935  	ql_dbg(ql_dbg_disc, vha, 0x20c5,
1936  	    "HOSTNAME = %s.\n", eiter->a.host_name);
1937  
1938  	if (callopt == CALLOPT_FDMI1)
1939  		goto done;
1940  
1941  	/* Node Name */
1942  	eiter = entries + size;
1943  	eiter->type = cpu_to_be16(FDMI_PORT_NODE_NAME);
1944  	memcpy(eiter->a.node_name, vha->node_name, sizeof(eiter->a.node_name));
1945  	alen = sizeof(eiter->a.node_name);
1946  	alen += FDMI_ATTR_TYPELEN(eiter);
1947  	eiter->len = cpu_to_be16(alen);
1948  	size += alen;
1949  	ql_dbg(ql_dbg_disc, vha, 0x20c6,
1950  	    "NODENAME = %016llx.\n", wwn_to_u64(eiter->a.node_name));
1951  
1952  	/* Port Name */
1953  	eiter = entries + size;
1954  	eiter->type = cpu_to_be16(FDMI_PORT_NAME);
1955  	memcpy(eiter->a.port_name, vha->port_name, sizeof(eiter->a.port_name));
1956  	alen = sizeof(eiter->a.port_name);
1957  	alen += FDMI_ATTR_TYPELEN(eiter);
1958  	eiter->len = cpu_to_be16(alen);
1959  	size += alen;
1960  	ql_dbg(ql_dbg_disc, vha, 0x20c7,
1961  	    "PORTNAME = %016llx.\n", wwn_to_u64(eiter->a.port_name));
1962  
1963  	/* Port Symbolic Name */
1964  	eiter = entries + size;
1965  	eiter->type = cpu_to_be16(FDMI_PORT_SYM_NAME);
1966  	alen = qla2x00_get_sym_node_name(vha, eiter->a.port_sym_name,
1967  	    sizeof(eiter->a.port_sym_name));
1968  	alen += FDMI_ATTR_ALIGNMENT(alen);
1969  	alen += FDMI_ATTR_TYPELEN(eiter);
1970  	eiter->len = cpu_to_be16(alen);
1971  	size += alen;
1972  	ql_dbg(ql_dbg_disc, vha, 0x20c8,
1973  	    "PORT SYMBOLIC NAME = %s\n", eiter->a.port_sym_name);
1974  
1975  	/* Port Type */
1976  	eiter = entries + size;
1977  	eiter->type = cpu_to_be16(FDMI_PORT_TYPE);
1978  	eiter->a.port_type = cpu_to_be32(NS_NX_PORT_TYPE);
1979  	alen = sizeof(eiter->a.port_type);
1980  	alen += FDMI_ATTR_TYPELEN(eiter);
1981  	eiter->len = cpu_to_be16(alen);
1982  	size += alen;
1983  	ql_dbg(ql_dbg_disc, vha, 0x20c9,
1984  	    "PORT TYPE = %x.\n", be32_to_cpu(eiter->a.port_type));
1985  
1986  	/* Supported Class of Service */
1987  	eiter = entries + size;
1988  	eiter->type = cpu_to_be16(FDMI_PORT_SUPP_COS);
1989  	eiter->a.port_supported_cos = cpu_to_be32(FC_CLASS_3);
1990  	alen = sizeof(eiter->a.port_supported_cos);
1991  	alen += FDMI_ATTR_TYPELEN(eiter);
1992  	eiter->len = cpu_to_be16(alen);
1993  	size += alen;
1994  	ql_dbg(ql_dbg_disc, vha, 0x20ca,
1995  	    "SUPPORTED COS = %08x\n", be32_to_cpu(eiter->a.port_supported_cos));
1996  
1997  	/* Port Fabric Name */
1998  	eiter = entries + size;
1999  	eiter->type = cpu_to_be16(FDMI_PORT_FABRIC_NAME);
2000  	memcpy(eiter->a.fabric_name, vha->fabric_node_name,
2001  	    sizeof(eiter->a.fabric_name));
2002  	alen = sizeof(eiter->a.fabric_name);
2003  	alen += FDMI_ATTR_TYPELEN(eiter);
2004  	eiter->len = cpu_to_be16(alen);
2005  	size += alen;
2006  	ql_dbg(ql_dbg_disc, vha, 0x20cb,
2007  	    "FABRIC NAME = %016llx.\n", wwn_to_u64(eiter->a.fabric_name));
2008  
2009  	/* FC4_type */
2010  	eiter = entries + size;
2011  	eiter->type = cpu_to_be16(FDMI_PORT_FC4_TYPE);
2012  	eiter->a.port_fc4_type[0] = 0x00;
2013  	eiter->a.port_fc4_type[1] = 0x00;
2014  	eiter->a.port_fc4_type[2] = 0x01;
2015  	eiter->a.port_fc4_type[3] = 0x00;
2016  	alen = sizeof(eiter->a.port_fc4_type);
2017  	alen += FDMI_ATTR_TYPELEN(eiter);
2018  	eiter->len = cpu_to_be16(alen);
2019  	size += alen;
2020  	ql_dbg(ql_dbg_disc, vha, 0x20cc,
2021  	    "PORT ACTIVE FC4 TYPE = %016llx.\n",
2022  	    *(uint64_t *)eiter->a.port_fc4_type);
2023  
2024  	/* Port State */
2025  	eiter = entries + size;
2026  	eiter->type = cpu_to_be16(FDMI_PORT_STATE);
2027  	eiter->a.port_state = cpu_to_be32(2);
2028  	alen = sizeof(eiter->a.port_state);
2029  	alen += FDMI_ATTR_TYPELEN(eiter);
2030  	eiter->len = cpu_to_be16(alen);
2031  	size += alen;
2032  	ql_dbg(ql_dbg_disc, vha, 0x20cd,
2033  	    "PORT_STATE = %x.\n", be32_to_cpu(eiter->a.port_state));
2034  
2035  	/* Number of Ports */
2036  	eiter = entries + size;
2037  	eiter->type = cpu_to_be16(FDMI_PORT_COUNT);
2038  	eiter->a.num_ports = cpu_to_be32(1);
2039  	alen = sizeof(eiter->a.num_ports);
2040  	alen += FDMI_ATTR_TYPELEN(eiter);
2041  	eiter->len = cpu_to_be16(alen);
2042  	size += alen;
2043  	ql_dbg(ql_dbg_disc, vha, 0x20ce,
2044  	    "PORT COUNT = %x.\n", be32_to_cpu(eiter->a.num_ports));
2045  
2046  	/* Port Identifier */
2047  	eiter = entries + size;
2048  	eiter->type = cpu_to_be16(FDMI_PORT_IDENTIFIER);
2049  	eiter->a.port_id = cpu_to_be32(vha->d_id.b24);
2050  	alen = sizeof(eiter->a.port_id);
2051  	alen += FDMI_ATTR_TYPELEN(eiter);
2052  	eiter->len = cpu_to_be16(alen);
2053  	size += alen;
2054  	ql_dbg(ql_dbg_disc, vha, 0x20cf,
2055  	    "PORT ID = %x.\n", be32_to_cpu(eiter->a.port_id));
2056  
2057  	if (callopt == CALLOPT_FDMI2 || !ql2xsmartsan)
2058  		goto done;
2059  
2060  	/* Smart SAN Service Category (Populate Smart SAN Initiator)*/
2061  	eiter = entries + size;
2062  	eiter->type = cpu_to_be16(FDMI_SMARTSAN_SERVICE);
2063  	alen = scnprintf(
2064  		eiter->a.smartsan_service, sizeof(eiter->a.smartsan_service),
2065  		"%s", "Smart SAN Initiator");
2066  	alen += FDMI_ATTR_ALIGNMENT(alen);
2067  	alen += FDMI_ATTR_TYPELEN(eiter);
2068  	eiter->len = cpu_to_be16(alen);
2069  	size += alen;
2070  	ql_dbg(ql_dbg_disc, vha, 0x20d0,
2071  	    "SMARTSAN SERVICE CATEGORY = %s.\n", eiter->a.smartsan_service);
2072  
2073  	/* Smart SAN GUID (NWWN+PWWN) */
2074  	eiter = entries + size;
2075  	eiter->type = cpu_to_be16(FDMI_SMARTSAN_GUID);
2076  	memcpy(eiter->a.smartsan_guid, vha->node_name, WWN_SIZE);
2077  	memcpy(eiter->a.smartsan_guid + WWN_SIZE, vha->port_name, WWN_SIZE);
2078  	alen = sizeof(eiter->a.smartsan_guid);
2079  	alen += FDMI_ATTR_TYPELEN(eiter);
2080  	eiter->len = cpu_to_be16(alen);
2081  	size += alen;
2082  	ql_dbg(ql_dbg_disc, vha, 0x20d1,
2083  	    "Smart SAN GUID = %016llx-%016llx\n",
2084  	    wwn_to_u64(eiter->a.smartsan_guid),
2085  	    wwn_to_u64(eiter->a.smartsan_guid + WWN_SIZE));
2086  
2087  	/* Smart SAN Version (populate "Smart SAN Version 1.0") */
2088  	eiter = entries + size;
2089  	eiter->type = cpu_to_be16(FDMI_SMARTSAN_VERSION);
2090  	alen = scnprintf(
2091  		eiter->a.smartsan_version, sizeof(eiter->a.smartsan_version),
2092  		"%s", "Smart SAN Version 2.0");
2093  	alen += FDMI_ATTR_ALIGNMENT(alen);
2094  	alen += FDMI_ATTR_TYPELEN(eiter);
2095  	eiter->len = cpu_to_be16(alen);
2096  	size += alen;
2097  	ql_dbg(ql_dbg_disc, vha, 0x20d2,
2098  	    "SMARTSAN VERSION = %s\n", eiter->a.smartsan_version);
2099  
2100  	/* Smart SAN Product Name (Specify Adapter Model No) */
2101  	eiter = entries + size;
2102  	eiter->type = cpu_to_be16(FDMI_SMARTSAN_PROD_NAME);
2103  	alen = scnprintf(eiter->a.smartsan_prod_name,
2104  		sizeof(eiter->a.smartsan_prod_name),
2105  		"ISP%04x", ha->pdev->device);
2106  	alen += FDMI_ATTR_ALIGNMENT(alen);
2107  	alen += FDMI_ATTR_TYPELEN(eiter);
2108  	eiter->len = cpu_to_be16(alen);
2109  	size += alen;
2110  	ql_dbg(ql_dbg_disc, vha, 0x20d3,
2111  	    "SMARTSAN PRODUCT NAME = %s\n", eiter->a.smartsan_prod_name);
2112  
2113  	/* Smart SAN Port Info (specify: 1=Physical, 2=NPIV, 3=SRIOV) */
2114  	eiter = entries + size;
2115  	eiter->type = cpu_to_be16(FDMI_SMARTSAN_PORT_INFO);
2116  	eiter->a.smartsan_port_info = cpu_to_be32(vha->vp_idx ? 2 : 1);
2117  	alen = sizeof(eiter->a.smartsan_port_info);
2118  	alen += FDMI_ATTR_TYPELEN(eiter);
2119  	eiter->len = cpu_to_be16(alen);
2120  	size += alen;
2121  	ql_dbg(ql_dbg_disc, vha, 0x20d4,
2122  	    "SMARTSAN PORT INFO = %x\n", eiter->a.smartsan_port_info);
2123  
2124  	/* Smart SAN Security Support */
2125  	eiter = entries + size;
2126  	eiter->type = cpu_to_be16(FDMI_SMARTSAN_SECURITY_SUPPORT);
2127  	eiter->a.smartsan_security_support = cpu_to_be32(1);
2128  	alen = sizeof(eiter->a.smartsan_security_support);
2129  	alen += FDMI_ATTR_TYPELEN(eiter);
2130  	eiter->len = cpu_to_be16(alen);
2131  	size += alen;
2132  	ql_dbg(ql_dbg_disc, vha, 0x20d6,
2133  	    "SMARTSAN SECURITY SUPPORT = %d\n",
2134  	    be32_to_cpu(eiter->a.smartsan_security_support));
2135  
2136  done:
2137  	return size;
2138  }
2139  
2140  /**
2141   * qla2x00_fdmi_rhba() - perform RHBA FDMI registration
2142   * @vha: HA context
2143   * @callopt: Option to issue FDMI registration
2144   *
2145   * Returns 0 on success.
2146   */
2147  static int
qla2x00_fdmi_rhba(scsi_qla_host_t * vha,unsigned int callopt)2148  qla2x00_fdmi_rhba(scsi_qla_host_t *vha, unsigned int callopt)
2149  {
2150  	struct qla_hw_data *ha = vha->hw;
2151  	unsigned long size = 0;
2152  	unsigned int rval, count;
2153  	ms_iocb_entry_t *ms_pkt;
2154  	struct ct_sns_req *ct_req;
2155  	struct ct_sns_rsp *ct_rsp;
2156  	void *entries;
2157  
2158  	count = callopt != CALLOPT_FDMI1 ?
2159  	    FDMI2_HBA_ATTR_COUNT : FDMI1_HBA_ATTR_COUNT;
2160  
2161  	size = RHBA_RSP_SIZE;
2162  
2163  	ql_dbg(ql_dbg_disc, vha, 0x20e0,
2164  	    "RHBA (callopt=%x count=%u size=%lu).\n", callopt, count, size);
2165  
2166  	/*   Request size adjusted after CT preparation */
2167  	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, 0, size);
2168  
2169  	/* Prepare CT request */
2170  	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, RHBA_CMD, size);
2171  	ct_rsp = &ha->ct_sns->p.rsp;
2172  
2173  	/* Prepare FDMI command entries */
2174  	memcpy(ct_req->req.rhba.hba_identifier, vha->port_name,
2175  	    sizeof(ct_req->req.rhba.hba_identifier));
2176  	size += sizeof(ct_req->req.rhba.hba_identifier);
2177  
2178  	ct_req->req.rhba.entry_count = cpu_to_be32(1);
2179  	size += sizeof(ct_req->req.rhba.entry_count);
2180  
2181  	memcpy(ct_req->req.rhba.port_name, vha->port_name,
2182  	    sizeof(ct_req->req.rhba.port_name));
2183  	size += sizeof(ct_req->req.rhba.port_name);
2184  
2185  	/* Attribute count */
2186  	ct_req->req.rhba.attrs.count = cpu_to_be32(count);
2187  	size += sizeof(ct_req->req.rhba.attrs.count);
2188  
2189  	/* Attribute block */
2190  	entries = &ct_req->req.rhba.attrs.entry;
2191  
2192  	size += qla2x00_hba_attributes(vha, entries, callopt);
2193  
2194  	/* Update MS request size. */
2195  	qla2x00_update_ms_fdmi_iocb(vha, size + 16);
2196  
2197  	ql_dbg(ql_dbg_disc, vha, 0x20e1,
2198  	    "RHBA %016llx %016llx.\n",
2199  	    wwn_to_u64(ct_req->req.rhba.hba_identifier),
2200  	    wwn_to_u64(ct_req->req.rhba.port_name));
2201  
2202  	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x20e2,
2203  	    entries, size);
2204  
2205  	/* Execute MS IOCB */
2206  	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2207  	    sizeof(*ha->ms_iocb));
2208  	if (rval) {
2209  		ql_dbg(ql_dbg_disc, vha, 0x20e3,
2210  		    "RHBA iocb failed (%d).\n", rval);
2211  		return rval;
2212  	}
2213  
2214  	rval = qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RHBA");
2215  	if (rval) {
2216  		if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
2217  		    ct_rsp->header.explanation_code ==
2218  		    CT_EXPL_ALREADY_REGISTERED) {
2219  			ql_dbg(ql_dbg_disc, vha, 0x20e4,
2220  			    "RHBA already registered.\n");
2221  			return QLA_ALREADY_REGISTERED;
2222  		}
2223  
2224  		ql_dbg(ql_dbg_disc, vha, 0x20e5,
2225  		    "RHBA failed, CT Reason %#x, CT Explanation %#x\n",
2226  		    ct_rsp->header.reason_code,
2227  		    ct_rsp->header.explanation_code);
2228  		return rval;
2229  	}
2230  
2231  	ql_dbg(ql_dbg_disc, vha, 0x20e6, "RHBA exiting normally.\n");
2232  	return rval;
2233  }
2234  
2235  
2236  static int
qla2x00_fdmi_dhba(scsi_qla_host_t * vha)2237  qla2x00_fdmi_dhba(scsi_qla_host_t *vha)
2238  {
2239  	int rval;
2240  	struct qla_hw_data *ha = vha->hw;
2241  	ms_iocb_entry_t *ms_pkt;
2242  	struct ct_sns_req *ct_req;
2243  	struct ct_sns_rsp *ct_rsp;
2244  	/* Issue RPA */
2245  	/* Prepare common MS IOCB */
2246  	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, DHBA_REQ_SIZE,
2247  	    DHBA_RSP_SIZE);
2248  	/* Prepare CT request */
2249  	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, DHBA_CMD, DHBA_RSP_SIZE);
2250  	ct_rsp = &ha->ct_sns->p.rsp;
2251  	/* Prepare FDMI command arguments -- portname. */
2252  	memcpy(ct_req->req.dhba.port_name, vha->port_name, WWN_SIZE);
2253  	ql_dbg(ql_dbg_disc, vha, 0x2036,
2254  	    "DHBA portname = %8phN.\n", ct_req->req.dhba.port_name);
2255  	/* Execute MS IOCB */
2256  	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2257  	    sizeof(ms_iocb_entry_t));
2258  	if (rval != QLA_SUCCESS) {
2259  		/*EMPTY*/
2260  		ql_dbg(ql_dbg_disc, vha, 0x2037,
2261  		    "DHBA issue IOCB failed (%d).\n", rval);
2262  	} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "DHBA") !=
2263  	    QLA_SUCCESS) {
2264  		rval = QLA_FUNCTION_FAILED;
2265  	} else {
2266  		ql_dbg(ql_dbg_disc, vha, 0x2038,
2267  		    "DHBA exiting normally.\n");
2268  	}
2269  	return rval;
2270  }
2271  
2272  /**
2273   * qla2x00_fdmi_rprt() - perform RPRT registration
2274   * @vha: HA context
2275   * @callopt: Option to issue extended or standard FDMI
2276   *           command parameter
2277   *
2278   * Returns 0 on success.
2279   */
2280  static int
qla2x00_fdmi_rprt(scsi_qla_host_t * vha,int callopt)2281  qla2x00_fdmi_rprt(scsi_qla_host_t *vha, int callopt)
2282  {
2283  	struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
2284  	struct qla_hw_data *ha = vha->hw;
2285  	ulong size = 0;
2286  	uint rval, count;
2287  	ms_iocb_entry_t *ms_pkt;
2288  	struct ct_sns_req *ct_req;
2289  	struct ct_sns_rsp *ct_rsp;
2290  	void *entries;
2291  	count = callopt == CALLOPT_FDMI2_SMARTSAN && ql2xsmartsan ?
2292  		FDMI2_SMARTSAN_PORT_ATTR_COUNT :
2293  		callopt != CALLOPT_FDMI1 ?
2294  		FDMI2_PORT_ATTR_COUNT : FDMI1_PORT_ATTR_COUNT;
2295  
2296  	size = RPRT_RSP_SIZE;
2297  	ql_dbg(ql_dbg_disc, vha, 0x20e8,
2298  	    "RPRT (callopt=%x count=%u size=%lu).\n", callopt, count, size);
2299  	/* Request size adjusted after CT preparation */
2300  	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, 0, size);
2301  	/* Prepare CT request */
2302  	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, RPRT_CMD, size);
2303  	ct_rsp = &ha->ct_sns->p.rsp;
2304  	/* Prepare FDMI command entries */
2305  	memcpy(ct_req->req.rprt.hba_identifier, base_vha->port_name,
2306  	    sizeof(ct_req->req.rprt.hba_identifier));
2307  	size += sizeof(ct_req->req.rprt.hba_identifier);
2308  	memcpy(ct_req->req.rprt.port_name, vha->port_name,
2309  	    sizeof(ct_req->req.rprt.port_name));
2310  	size += sizeof(ct_req->req.rprt.port_name);
2311  	/* Attribute count */
2312  	ct_req->req.rprt.attrs.count = cpu_to_be32(count);
2313  	size += sizeof(ct_req->req.rprt.attrs.count);
2314  	/* Attribute block */
2315  	entries = ct_req->req.rprt.attrs.entry;
2316  	size += qla2x00_port_attributes(vha, entries, callopt);
2317  	/* Update MS request size. */
2318  	qla2x00_update_ms_fdmi_iocb(vha, size + 16);
2319  	ql_dbg(ql_dbg_disc, vha, 0x20e9,
2320  	    "RPRT %016llx  %016llx.\n",
2321  	    wwn_to_u64(ct_req->req.rprt.port_name),
2322  	    wwn_to_u64(ct_req->req.rprt.port_name));
2323  	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x20ea,
2324  	    entries, size);
2325  	/* Execute MS IOCB */
2326  	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2327  	    sizeof(*ha->ms_iocb));
2328  	if (rval) {
2329  		ql_dbg(ql_dbg_disc, vha, 0x20eb,
2330  		    "RPRT iocb failed (%d).\n", rval);
2331  		return rval;
2332  	}
2333  	rval = qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RPRT");
2334  	if (rval) {
2335  		if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
2336  		    ct_rsp->header.explanation_code ==
2337  		    CT_EXPL_ALREADY_REGISTERED) {
2338  			ql_dbg(ql_dbg_disc, vha, 0x20ec,
2339  			    "RPRT already registered.\n");
2340  			return QLA_ALREADY_REGISTERED;
2341  		}
2342  
2343  		ql_dbg(ql_dbg_disc, vha, 0x20ed,
2344  		    "RPRT failed, CT Reason code: %#x, CT Explanation %#x\n",
2345  		    ct_rsp->header.reason_code,
2346  		    ct_rsp->header.explanation_code);
2347  		return rval;
2348  	}
2349  	ql_dbg(ql_dbg_disc, vha, 0x20ee, "RPRT exiting normally.\n");
2350  	return rval;
2351  }
2352  
2353  /**
2354   * qla2x00_fdmi_rpa() - perform RPA registration
2355   * @vha: HA context
2356   * @callopt: Option to issue FDMI registration
2357   *
2358   * Returns 0 on success.
2359   */
2360  static int
qla2x00_fdmi_rpa(scsi_qla_host_t * vha,uint callopt)2361  qla2x00_fdmi_rpa(scsi_qla_host_t *vha, uint callopt)
2362  {
2363  	struct qla_hw_data *ha = vha->hw;
2364  	ulong size = 0;
2365  	uint rval, count;
2366  	ms_iocb_entry_t *ms_pkt;
2367  	struct ct_sns_req *ct_req;
2368  	struct ct_sns_rsp *ct_rsp;
2369  	void *entries;
2370  
2371  	count =
2372  	    callopt == CALLOPT_FDMI2_SMARTSAN && ql2xsmartsan ?
2373  		FDMI2_SMARTSAN_PORT_ATTR_COUNT :
2374  	    callopt != CALLOPT_FDMI1 ?
2375  		FDMI2_PORT_ATTR_COUNT : FDMI1_PORT_ATTR_COUNT;
2376  
2377  	size =
2378  	    callopt != CALLOPT_FDMI1 ?
2379  		SMARTSAN_RPA_RSP_SIZE : RPA_RSP_SIZE;
2380  
2381  	ql_dbg(ql_dbg_disc, vha, 0x20f0,
2382  	    "RPA (callopt=%x count=%u size=%lu).\n", callopt, count, size);
2383  
2384  	/* Request size adjusted after CT preparation */
2385  	ms_pkt = ha->isp_ops->prep_ms_fdmi_iocb(vha, 0, size);
2386  
2387  	/* Prepare CT request */
2388  	ct_req = qla2x00_prep_ct_fdmi_req(ha->ct_sns, RPA_CMD, size);
2389  	ct_rsp = &ha->ct_sns->p.rsp;
2390  
2391  	/* Prepare FDMI command entries. */
2392  	memcpy(ct_req->req.rpa.port_name, vha->port_name,
2393  	    sizeof(ct_req->req.rpa.port_name));
2394  	size += sizeof(ct_req->req.rpa.port_name);
2395  
2396  	/* Attribute count */
2397  	ct_req->req.rpa.attrs.count = cpu_to_be32(count);
2398  	size += sizeof(ct_req->req.rpa.attrs.count);
2399  
2400  	/* Attribute block */
2401  	entries = ct_req->req.rpa.attrs.entry;
2402  
2403  	size += qla2x00_port_attributes(vha, entries, callopt);
2404  
2405  	/* Update MS request size. */
2406  	qla2x00_update_ms_fdmi_iocb(vha, size + 16);
2407  
2408  	ql_dbg(ql_dbg_disc, vha, 0x20f1,
2409  	    "RPA %016llx.\n", wwn_to_u64(ct_req->req.rpa.port_name));
2410  
2411  	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x20f2,
2412  	    entries, size);
2413  
2414  	/* Execute MS IOCB */
2415  	rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2416  	    sizeof(*ha->ms_iocb));
2417  	if (rval) {
2418  		ql_dbg(ql_dbg_disc, vha, 0x20f3,
2419  		    "RPA iocb failed (%d).\n", rval);
2420  		return rval;
2421  	}
2422  
2423  	rval = qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "RPA");
2424  	if (rval) {
2425  		if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
2426  		    ct_rsp->header.explanation_code ==
2427  		    CT_EXPL_ALREADY_REGISTERED) {
2428  			ql_dbg(ql_dbg_disc, vha, 0x20f4,
2429  			    "RPA already registered.\n");
2430  			return QLA_ALREADY_REGISTERED;
2431  		}
2432  
2433  		ql_dbg(ql_dbg_disc, vha, 0x20f5,
2434  		    "RPA failed, CT Reason code: %#x, CT Explanation %#x\n",
2435  		    ct_rsp->header.reason_code,
2436  		    ct_rsp->header.explanation_code);
2437  		return rval;
2438  	}
2439  
2440  	ql_dbg(ql_dbg_disc, vha, 0x20f6, "RPA exiting normally.\n");
2441  	return rval;
2442  }
2443  
2444  /**
2445   * qla2x00_fdmi_register() -
2446   * @vha: HA context
2447   *
2448   * Returns 0 on success.
2449   */
2450  int
qla2x00_fdmi_register(scsi_qla_host_t * vha)2451  qla2x00_fdmi_register(scsi_qla_host_t *vha)
2452  {
2453  	int rval = QLA_SUCCESS;
2454  	struct qla_hw_data *ha = vha->hw;
2455  
2456  	if (IS_QLA2100(ha) || IS_QLA2200(ha) ||
2457  	    IS_QLAFX00(ha))
2458  		return rval;
2459  
2460  	rval = qla2x00_mgmt_svr_login(vha);
2461  	if (rval)
2462  		return rval;
2463  
2464  	/* For npiv/vport send rprt only */
2465  	if (vha->vp_idx) {
2466  		if (ql2xsmartsan)
2467  			rval = qla2x00_fdmi_rprt(vha, CALLOPT_FDMI2_SMARTSAN);
2468  		if (rval || !ql2xsmartsan)
2469  			rval = qla2x00_fdmi_rprt(vha, CALLOPT_FDMI2);
2470  		if (rval)
2471  			rval = qla2x00_fdmi_rprt(vha, CALLOPT_FDMI1);
2472  
2473  		return rval;
2474  	}
2475  
2476  	/* Try fdmi2 first, if fails then try fdmi1 */
2477  	rval = qla2x00_fdmi_rhba(vha, CALLOPT_FDMI2);
2478  	if (rval) {
2479  		if (rval != QLA_ALREADY_REGISTERED)
2480  			goto try_fdmi;
2481  
2482  		rval = qla2x00_fdmi_dhba(vha);
2483  		if (rval)
2484  			goto try_fdmi;
2485  
2486  		rval = qla2x00_fdmi_rhba(vha, CALLOPT_FDMI2);
2487  		if (rval)
2488  			goto try_fdmi;
2489  	}
2490  
2491  	if (ql2xsmartsan)
2492  		rval = qla2x00_fdmi_rpa(vha, CALLOPT_FDMI2_SMARTSAN);
2493  	if (rval || !ql2xsmartsan)
2494  		rval = qla2x00_fdmi_rpa(vha, CALLOPT_FDMI2);
2495  	if (rval)
2496  		goto try_fdmi;
2497  
2498  	return rval;
2499  
2500  try_fdmi:
2501  	rval = qla2x00_fdmi_rhba(vha, CALLOPT_FDMI1);
2502  	if (rval) {
2503  		if (rval != QLA_ALREADY_REGISTERED)
2504  			return rval;
2505  
2506  		rval = qla2x00_fdmi_dhba(vha);
2507  		if (rval)
2508  			return rval;
2509  
2510  		rval = qla2x00_fdmi_rhba(vha, CALLOPT_FDMI1);
2511  		if (rval)
2512  			return rval;
2513  	}
2514  
2515  	rval = qla2x00_fdmi_rpa(vha, CALLOPT_FDMI1);
2516  
2517  	return rval;
2518  }
2519  
2520  /**
2521   * qla2x00_gfpn_id() - SNS Get Fabric Port Name (GFPN_ID) query.
2522   * @vha: HA context
2523   * @list: switch info entries to populate
2524   *
2525   * Returns 0 on success.
2526   */
2527  int
qla2x00_gfpn_id(scsi_qla_host_t * vha,sw_info_t * list)2528  qla2x00_gfpn_id(scsi_qla_host_t *vha, sw_info_t *list)
2529  {
2530  	int		rval = QLA_SUCCESS;
2531  	uint16_t	i;
2532  	struct qla_hw_data *ha = vha->hw;
2533  	ms_iocb_entry_t	*ms_pkt;
2534  	struct ct_sns_req	*ct_req;
2535  	struct ct_sns_rsp	*ct_rsp;
2536  	struct ct_arg arg;
2537  
2538  	if (!IS_IIDMA_CAPABLE(ha))
2539  		return QLA_FUNCTION_FAILED;
2540  
2541  	arg.iocb = ha->ms_iocb;
2542  	arg.req_dma = ha->ct_sns_dma;
2543  	arg.rsp_dma = ha->ct_sns_dma;
2544  	arg.req_size = GFPN_ID_REQ_SIZE;
2545  	arg.rsp_size = GFPN_ID_RSP_SIZE;
2546  	arg.nport_handle = NPH_SNS;
2547  
2548  	for (i = 0; i < ha->max_fibre_devices; i++) {
2549  		/* Issue GFPN_ID */
2550  		/* Prepare common MS IOCB */
2551  		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
2552  
2553  		/* Prepare CT request */
2554  		ct_req = qla2x00_prep_ct_req(ha->ct_sns, GFPN_ID_CMD,
2555  		    GFPN_ID_RSP_SIZE);
2556  		ct_rsp = &ha->ct_sns->p.rsp;
2557  
2558  		/* Prepare CT arguments -- port_id */
2559  		ct_req->req.port_id.port_id = port_id_to_be_id(list[i].d_id);
2560  
2561  		/* Execute MS IOCB */
2562  		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2563  		    sizeof(ms_iocb_entry_t));
2564  		if (rval != QLA_SUCCESS) {
2565  			/*EMPTY*/
2566  			ql_dbg(ql_dbg_disc, vha, 0x2023,
2567  			    "GFPN_ID issue IOCB failed (%d).\n", rval);
2568  			break;
2569  		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
2570  		    "GFPN_ID") != QLA_SUCCESS) {
2571  			rval = QLA_FUNCTION_FAILED;
2572  			break;
2573  		} else {
2574  			/* Save fabric portname */
2575  			memcpy(list[i].fabric_port_name,
2576  			    ct_rsp->rsp.gfpn_id.port_name, WWN_SIZE);
2577  		}
2578  
2579  		/* Last device exit. */
2580  		if (list[i].d_id.b.rsvd_1 != 0)
2581  			break;
2582  	}
2583  
2584  	return (rval);
2585  }
2586  
2587  
2588  static inline struct ct_sns_req *
qla24xx_prep_ct_fm_req(struct ct_sns_pkt * p,uint16_t cmd,uint16_t rsp_size)2589  qla24xx_prep_ct_fm_req(struct ct_sns_pkt *p, uint16_t cmd,
2590      uint16_t rsp_size)
2591  {
2592  	memset(p, 0, sizeof(struct ct_sns_pkt));
2593  
2594  	p->p.req.header.revision = 0x01;
2595  	p->p.req.header.gs_type = 0xFA;
2596  	p->p.req.header.gs_subtype = 0x01;
2597  	p->p.req.command = cpu_to_be16(cmd);
2598  	p->p.req.max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
2599  
2600  	return &p->p.req;
2601  }
2602  
2603  static uint16_t
qla2x00_port_speed_capability(uint16_t speed)2604  qla2x00_port_speed_capability(uint16_t speed)
2605  {
2606  	switch (speed) {
2607  	case BIT_15:
2608  		return PORT_SPEED_1GB;
2609  	case BIT_14:
2610  		return PORT_SPEED_2GB;
2611  	case BIT_13:
2612  		return PORT_SPEED_4GB;
2613  	case BIT_12:
2614  		return PORT_SPEED_10GB;
2615  	case BIT_11:
2616  		return PORT_SPEED_8GB;
2617  	case BIT_10:
2618  		return PORT_SPEED_16GB;
2619  	case BIT_8:
2620  		return PORT_SPEED_32GB;
2621  	case BIT_7:
2622  		return PORT_SPEED_64GB;
2623  	default:
2624  		return PORT_SPEED_UNKNOWN;
2625  	}
2626  }
2627  
2628  /**
2629   * qla2x00_gpsc() - FCS Get Port Speed Capabilities (GPSC) query.
2630   * @vha: HA context
2631   * @list: switch info entries to populate
2632   *
2633   * Returns 0 on success.
2634   */
2635  int
qla2x00_gpsc(scsi_qla_host_t * vha,sw_info_t * list)2636  qla2x00_gpsc(scsi_qla_host_t *vha, sw_info_t *list)
2637  {
2638  	int		rval;
2639  	uint16_t	i;
2640  	struct qla_hw_data *ha = vha->hw;
2641  	ms_iocb_entry_t *ms_pkt;
2642  	struct ct_sns_req	*ct_req;
2643  	struct ct_sns_rsp	*ct_rsp;
2644  	struct ct_arg arg;
2645  
2646  	if (!IS_IIDMA_CAPABLE(ha))
2647  		return QLA_FUNCTION_FAILED;
2648  	if (!ha->flags.gpsc_supported)
2649  		return QLA_FUNCTION_FAILED;
2650  
2651  	rval = qla2x00_mgmt_svr_login(vha);
2652  	if (rval)
2653  		return rval;
2654  
2655  	arg.iocb = ha->ms_iocb;
2656  	arg.req_dma = ha->ct_sns_dma;
2657  	arg.rsp_dma = ha->ct_sns_dma;
2658  	arg.req_size = GPSC_REQ_SIZE;
2659  	arg.rsp_size = GPSC_RSP_SIZE;
2660  	arg.nport_handle = vha->mgmt_svr_loop_id;
2661  
2662  	for (i = 0; i < ha->max_fibre_devices; i++) {
2663  		/* Issue GFPN_ID */
2664  		/* Prepare common MS IOCB */
2665  		ms_pkt = qla24xx_prep_ms_iocb(vha, &arg);
2666  
2667  		/* Prepare CT request */
2668  		ct_req = qla24xx_prep_ct_fm_req(ha->ct_sns, GPSC_CMD,
2669  		    GPSC_RSP_SIZE);
2670  		ct_rsp = &ha->ct_sns->p.rsp;
2671  
2672  		/* Prepare CT arguments -- port_name */
2673  		memcpy(ct_req->req.gpsc.port_name, list[i].fabric_port_name,
2674  		    WWN_SIZE);
2675  
2676  		/* Execute MS IOCB */
2677  		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2678  		    sizeof(ms_iocb_entry_t));
2679  		if (rval != QLA_SUCCESS) {
2680  			/*EMPTY*/
2681  			ql_dbg(ql_dbg_disc, vha, 0x2059,
2682  			    "GPSC issue IOCB failed (%d).\n", rval);
2683  		} else if ((rval = qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
2684  		    "GPSC")) != QLA_SUCCESS) {
2685  			/* FM command unsupported? */
2686  			if (rval == QLA_INVALID_COMMAND &&
2687  			    (ct_rsp->header.reason_code ==
2688  				CT_REASON_INVALID_COMMAND_CODE ||
2689  			     ct_rsp->header.reason_code ==
2690  				CT_REASON_COMMAND_UNSUPPORTED)) {
2691  				ql_dbg(ql_dbg_disc, vha, 0x205a,
2692  				    "GPSC command unsupported, disabling "
2693  				    "query.\n");
2694  				ha->flags.gpsc_supported = 0;
2695  				rval = QLA_FUNCTION_FAILED;
2696  				break;
2697  			}
2698  			rval = QLA_FUNCTION_FAILED;
2699  		} else {
2700  			list->fp_speed = qla2x00_port_speed_capability(
2701  			    be16_to_cpu(ct_rsp->rsp.gpsc.speed));
2702  			ql_dbg(ql_dbg_disc, vha, 0x205b,
2703  			    "GPSC ext entry - fpn "
2704  			    "%8phN speeds=%04x speed=%04x.\n",
2705  			    list[i].fabric_port_name,
2706  			    be16_to_cpu(ct_rsp->rsp.gpsc.speeds),
2707  			    be16_to_cpu(ct_rsp->rsp.gpsc.speed));
2708  		}
2709  
2710  		/* Last device exit. */
2711  		if (list[i].d_id.b.rsvd_1 != 0)
2712  			break;
2713  	}
2714  
2715  	return (rval);
2716  }
2717  
2718  /**
2719   * qla2x00_gff_id() - SNS Get FC-4 Features (GFF_ID) query.
2720   *
2721   * @vha: HA context
2722   * @list: switch info entries to populate
2723   *
2724   */
2725  void
qla2x00_gff_id(scsi_qla_host_t * vha,sw_info_t * list)2726  qla2x00_gff_id(scsi_qla_host_t *vha, sw_info_t *list)
2727  {
2728  	int		rval;
2729  	uint16_t	i;
2730  
2731  	ms_iocb_entry_t	*ms_pkt;
2732  	struct ct_sns_req	*ct_req;
2733  	struct ct_sns_rsp	*ct_rsp;
2734  	struct qla_hw_data *ha = vha->hw;
2735  	uint8_t fcp_scsi_features = 0, nvme_features = 0;
2736  	struct ct_arg arg;
2737  
2738  	for (i = 0; i < ha->max_fibre_devices; i++) {
2739  		/* Set default FC4 Type as UNKNOWN so the default is to
2740  		 * Process this port */
2741  		list[i].fc4_type = 0;
2742  
2743  		/* Do not attempt GFF_ID if we are not FWI_2 capable */
2744  		if (!IS_FWI2_CAPABLE(ha))
2745  			continue;
2746  
2747  		arg.iocb = ha->ms_iocb;
2748  		arg.req_dma = ha->ct_sns_dma;
2749  		arg.rsp_dma = ha->ct_sns_dma;
2750  		arg.req_size = GFF_ID_REQ_SIZE;
2751  		arg.rsp_size = GFF_ID_RSP_SIZE;
2752  		arg.nport_handle = NPH_SNS;
2753  
2754  		/* Prepare common MS IOCB */
2755  		ms_pkt = ha->isp_ops->prep_ms_iocb(vha, &arg);
2756  
2757  		/* Prepare CT request */
2758  		ct_req = qla2x00_prep_ct_req(ha->ct_sns, GFF_ID_CMD,
2759  		    GFF_ID_RSP_SIZE);
2760  		ct_rsp = &ha->ct_sns->p.rsp;
2761  
2762  		/* Prepare CT arguments -- port_id */
2763  		ct_req->req.port_id.port_id = port_id_to_be_id(list[i].d_id);
2764  
2765  		/* Execute MS IOCB */
2766  		rval = qla2x00_issue_iocb(vha, ha->ms_iocb, ha->ms_iocb_dma,
2767  		   sizeof(ms_iocb_entry_t));
2768  
2769  		if (rval != QLA_SUCCESS) {
2770  			ql_dbg(ql_dbg_disc, vha, 0x205c,
2771  			    "GFF_ID issue IOCB failed (%d).\n", rval);
2772  		} else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp,
2773  			       "GFF_ID") != QLA_SUCCESS) {
2774  			ql_dbg(ql_dbg_disc, vha, 0x205d,
2775  			    "GFF_ID IOCB status had a failure status code.\n");
2776  		} else {
2777  			fcp_scsi_features =
2778  			   ct_rsp->rsp.gff_id.fc4_features[GFF_FCP_SCSI_OFFSET];
2779  			fcp_scsi_features &= 0x0f;
2780  
2781  			if (fcp_scsi_features) {
2782  				list[i].fc4_type = FS_FC4TYPE_FCP;
2783  				list[i].fc4_features = fcp_scsi_features;
2784  			}
2785  
2786  			nvme_features =
2787  			    ct_rsp->rsp.gff_id.fc4_features[GFF_NVME_OFFSET];
2788  			nvme_features &= 0xf;
2789  
2790  			if (nvme_features) {
2791  				list[i].fc4_type |= FS_FC4TYPE_NVME;
2792  				list[i].fc4_features = nvme_features;
2793  			}
2794  		}
2795  
2796  		/* Last device exit. */
2797  		if (list[i].d_id.b.rsvd_1 != 0)
2798  			break;
2799  	}
2800  }
2801  
qla24xx_post_gpsc_work(struct scsi_qla_host * vha,fc_port_t * fcport)2802  int qla24xx_post_gpsc_work(struct scsi_qla_host *vha, fc_port_t *fcport)
2803  {
2804  	struct qla_work_evt *e;
2805  
2806  	e = qla2x00_alloc_work(vha, QLA_EVT_GPSC);
2807  	if (!e)
2808  		return QLA_FUNCTION_FAILED;
2809  
2810  	e->u.fcport.fcport = fcport;
2811  	return qla2x00_post_work(vha, e);
2812  }
2813  
qla24xx_handle_gpsc_event(scsi_qla_host_t * vha,struct event_arg * ea)2814  void qla24xx_handle_gpsc_event(scsi_qla_host_t *vha, struct event_arg *ea)
2815  {
2816  	struct fc_port *fcport = ea->fcport;
2817  
2818  	ql_dbg(ql_dbg_disc, vha, 0x20d8,
2819  	    "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
2820  	    __func__, fcport->port_name, fcport->disc_state,
2821  	    fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
2822  	    ea->sp->gen2, fcport->rscn_gen|ea->sp->gen1, fcport->loop_id);
2823  
2824  	if (fcport->disc_state == DSC_DELETE_PEND)
2825  		return;
2826  
2827  	/* We will figure-out what happen after AUTH completes */
2828  	if (fcport->disc_state == DSC_LOGIN_AUTH_PEND)
2829  		return;
2830  
2831  	if (ea->sp->gen2 != fcport->login_gen) {
2832  		/* target side must have changed it. */
2833  		ql_dbg(ql_dbg_disc, vha, 0x20d3,
2834  		    "%s %8phC generation changed\n",
2835  		    __func__, fcport->port_name);
2836  		return;
2837  	} else if (ea->sp->gen1 != fcport->rscn_gen) {
2838  		return;
2839  	}
2840  
2841  	qla_post_iidma_work(vha, fcport);
2842  }
2843  
qla24xx_async_gpsc_sp_done(srb_t * sp,int res)2844  static void qla24xx_async_gpsc_sp_done(srb_t *sp, int res)
2845  {
2846  	struct scsi_qla_host *vha = sp->vha;
2847  	struct qla_hw_data *ha = vha->hw;
2848  	fc_port_t *fcport = sp->fcport;
2849  	struct ct_sns_rsp       *ct_rsp;
2850  	struct event_arg ea;
2851  
2852  	ct_rsp = &fcport->ct_desc.ct_sns->p.rsp;
2853  
2854  	ql_dbg(ql_dbg_disc, vha, 0x2053,
2855  	    "Async done-%s res %x, WWPN %8phC \n",
2856  	    sp->name, res, fcport->port_name);
2857  
2858  	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
2859  
2860  	if (res == QLA_FUNCTION_TIMEOUT)
2861  		goto done;
2862  
2863  	if (res == (DID_ERROR << 16)) {
2864  		/* entry status error */
2865  		goto done;
2866  	} else if (res) {
2867  		if ((ct_rsp->header.reason_code ==
2868  			 CT_REASON_INVALID_COMMAND_CODE) ||
2869  			(ct_rsp->header.reason_code ==
2870  			CT_REASON_COMMAND_UNSUPPORTED)) {
2871  			ql_dbg(ql_dbg_disc, vha, 0x2019,
2872  			    "GPSC command unsupported, disabling query.\n");
2873  			ha->flags.gpsc_supported = 0;
2874  			goto done;
2875  		}
2876  	} else {
2877  		fcport->fp_speed = qla2x00_port_speed_capability(
2878  		    be16_to_cpu(ct_rsp->rsp.gpsc.speed));
2879  
2880  		ql_dbg(ql_dbg_disc, vha, 0x2054,
2881  		    "Async-%s OUT WWPN %8phC speeds=%04x speed=%04x.\n",
2882  		    sp->name, fcport->fabric_port_name,
2883  		    be16_to_cpu(ct_rsp->rsp.gpsc.speeds),
2884  		    be16_to_cpu(ct_rsp->rsp.gpsc.speed));
2885  	}
2886  	memset(&ea, 0, sizeof(ea));
2887  	ea.rc = res;
2888  	ea.fcport = fcport;
2889  	ea.sp = sp;
2890  	qla24xx_handle_gpsc_event(vha, &ea);
2891  
2892  done:
2893  	/* ref: INIT */
2894  	kref_put(&sp->cmd_kref, qla2x00_sp_release);
2895  }
2896  
qla24xx_async_gpsc(scsi_qla_host_t * vha,fc_port_t * fcport)2897  int qla24xx_async_gpsc(scsi_qla_host_t *vha, fc_port_t *fcport)
2898  {
2899  	int rval = QLA_FUNCTION_FAILED;
2900  	struct ct_sns_req       *ct_req;
2901  	srb_t *sp;
2902  
2903  	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
2904  		return rval;
2905  
2906  	/* ref: INIT */
2907  	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2908  	if (!sp)
2909  		goto done;
2910  
2911  	sp->type = SRB_CT_PTHRU_CMD;
2912  	sp->name = "gpsc";
2913  	sp->gen1 = fcport->rscn_gen;
2914  	sp->gen2 = fcport->login_gen;
2915  	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
2916  			      qla24xx_async_gpsc_sp_done);
2917  
2918  	/* CT_IU preamble  */
2919  	ct_req = qla24xx_prep_ct_fm_req(fcport->ct_desc.ct_sns, GPSC_CMD,
2920  		GPSC_RSP_SIZE);
2921  
2922  	/* GPSC req */
2923  	memcpy(ct_req->req.gpsc.port_name, fcport->fabric_port_name,
2924  		WWN_SIZE);
2925  
2926  	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
2927  	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
2928  	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
2929  	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
2930  	sp->u.iocb_cmd.u.ctarg.req_size = GPSC_REQ_SIZE;
2931  	sp->u.iocb_cmd.u.ctarg.rsp_size = GPSC_RSP_SIZE;
2932  	sp->u.iocb_cmd.u.ctarg.nport_handle = vha->mgmt_svr_loop_id;
2933  
2934  	ql_dbg(ql_dbg_disc, vha, 0x205e,
2935  	    "Async-%s %8phC hdl=%x loopid=%x portid=%02x%02x%02x.\n",
2936  	    sp->name, fcport->port_name, sp->handle,
2937  	    fcport->loop_id, fcport->d_id.b.domain,
2938  	    fcport->d_id.b.area, fcport->d_id.b.al_pa);
2939  
2940  	rval = qla2x00_start_sp(sp);
2941  	if (rval != QLA_SUCCESS)
2942  		goto done_free_sp;
2943  	return rval;
2944  
2945  done_free_sp:
2946  	/* ref: INIT */
2947  	kref_put(&sp->cmd_kref, qla2x00_sp_release);
2948  done:
2949  	return rval;
2950  }
2951  
qla24xx_sp_unmap(scsi_qla_host_t * vha,srb_t * sp)2952  void qla24xx_sp_unmap(scsi_qla_host_t *vha, srb_t *sp)
2953  {
2954  	struct srb_iocb *c = &sp->u.iocb_cmd;
2955  
2956  	switch (sp->type) {
2957  	case SRB_ELS_DCMD:
2958  		qla2x00_els_dcmd2_free(vha, &c->u.els_plogi);
2959  		break;
2960  	case SRB_CT_PTHRU_CMD:
2961  	default:
2962  		if (sp->u.iocb_cmd.u.ctarg.req) {
2963  			dma_free_coherent(&vha->hw->pdev->dev,
2964  			    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
2965  			    sp->u.iocb_cmd.u.ctarg.req,
2966  			    sp->u.iocb_cmd.u.ctarg.req_dma);
2967  			sp->u.iocb_cmd.u.ctarg.req = NULL;
2968  		}
2969  
2970  		if (sp->u.iocb_cmd.u.ctarg.rsp) {
2971  			dma_free_coherent(&vha->hw->pdev->dev,
2972  			    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
2973  			    sp->u.iocb_cmd.u.ctarg.rsp,
2974  			    sp->u.iocb_cmd.u.ctarg.rsp_dma);
2975  			sp->u.iocb_cmd.u.ctarg.rsp = NULL;
2976  		}
2977  		break;
2978  	}
2979  
2980  	/* ref: INIT */
2981  	kref_put(&sp->cmd_kref, qla2x00_sp_release);
2982  }
2983  
qla24xx_async_gffid_sp_done(srb_t * sp,int res)2984  void qla24xx_async_gffid_sp_done(srb_t *sp, int res)
2985  {
2986  	struct scsi_qla_host *vha = sp->vha;
2987  	fc_port_t *fcport = sp->fcport;
2988  	struct ct_sns_rsp *ct_rsp;
2989  	uint8_t fc4_scsi_feat;
2990  	uint8_t fc4_nvme_feat;
2991  
2992  	ql_dbg(ql_dbg_disc, vha, 0x2133,
2993  	       "Async done-%s res %x ID %x. %8phC\n",
2994  	       sp->name, res, fcport->d_id.b24, fcport->port_name);
2995  
2996  	ct_rsp = sp->u.iocb_cmd.u.ctarg.rsp;
2997  	fc4_scsi_feat = ct_rsp->rsp.gff_id.fc4_features[GFF_FCP_SCSI_OFFSET];
2998  	fc4_nvme_feat = ct_rsp->rsp.gff_id.fc4_features[GFF_NVME_OFFSET];
2999  	sp->rc = res;
3000  
3001  	/*
3002  	 * FC-GS-7, 5.2.3.12 FC-4 Features - format
3003  	 * The format of the FC-4 Features object, as defined by the FC-4,
3004  	 * Shall be an array of 4-bit values, one for each type code value
3005  	 */
3006  	if (!res) {
3007  		if (fc4_scsi_feat & 0xf) {
3008  			/* w1 b00:03 */
3009  			fcport->fc4_type = FS_FC4TYPE_FCP;
3010  			fcport->fc4_features = fc4_scsi_feat & 0xf;
3011  		}
3012  
3013  		if (fc4_nvme_feat & 0xf) {
3014  			/* w5 [00:03]/28h */
3015  			fcport->fc4_type |= FS_FC4TYPE_NVME;
3016  			fcport->fc4_features = fc4_nvme_feat & 0xf;
3017  		}
3018  	}
3019  
3020  	if (sp->flags & SRB_WAKEUP_ON_COMP) {
3021  		complete(sp->comp);
3022  	} else  {
3023  		if (sp->u.iocb_cmd.u.ctarg.req) {
3024  			dma_free_coherent(&vha->hw->pdev->dev,
3025  				sp->u.iocb_cmd.u.ctarg.req_allocated_size,
3026  				sp->u.iocb_cmd.u.ctarg.req,
3027  				sp->u.iocb_cmd.u.ctarg.req_dma);
3028  			sp->u.iocb_cmd.u.ctarg.req = NULL;
3029  		}
3030  
3031  		if (sp->u.iocb_cmd.u.ctarg.rsp) {
3032  			dma_free_coherent(&vha->hw->pdev->dev,
3033  				sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
3034  				sp->u.iocb_cmd.u.ctarg.rsp,
3035  				sp->u.iocb_cmd.u.ctarg.rsp_dma);
3036  			sp->u.iocb_cmd.u.ctarg.rsp = NULL;
3037  		}
3038  
3039  		/* ref: INIT */
3040  		kref_put(&sp->cmd_kref, qla2x00_sp_release);
3041  		/* we should not be here */
3042  		dump_stack();
3043  	}
3044  }
3045  
3046  /* Get FC4 Feature with Nport ID. */
qla24xx_async_gffid(scsi_qla_host_t * vha,fc_port_t * fcport,bool wait)3047  int qla24xx_async_gffid(scsi_qla_host_t *vha, fc_port_t *fcport, bool wait)
3048  {
3049  	int rval = QLA_FUNCTION_FAILED;
3050  	struct ct_sns_req       *ct_req;
3051  	srb_t *sp;
3052  	DECLARE_COMPLETION_ONSTACK(comp);
3053  
3054  	/* this routine does not have handling for no wait */
3055  	if (!vha->flags.online || !wait)
3056  		return rval;
3057  
3058  	/* ref: INIT */
3059  	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
3060  	if (!sp)
3061  		return rval;
3062  
3063  	sp->type = SRB_CT_PTHRU_CMD;
3064  	sp->name = "gffid";
3065  	sp->gen1 = fcport->rscn_gen;
3066  	sp->gen2 = fcport->login_gen;
3067  	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
3068  			      qla24xx_async_gffid_sp_done);
3069  	sp->comp = &comp;
3070  	sp->u.iocb_cmd.timeout = qla2x00_els_dcmd2_iocb_timeout;
3071  
3072  	if (wait)
3073  		sp->flags = SRB_WAKEUP_ON_COMP;
3074  
3075  	sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
3076  	sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
3077  				sp->u.iocb_cmd.u.ctarg.req_allocated_size,
3078  				&sp->u.iocb_cmd.u.ctarg.req_dma,
3079  	    GFP_KERNEL);
3080  	if (!sp->u.iocb_cmd.u.ctarg.req) {
3081  		ql_log(ql_log_warn, vha, 0xd041,
3082  		       "%s: Failed to allocate ct_sns request.\n",
3083  		       __func__);
3084  		goto done_free_sp;
3085  	}
3086  
3087  	sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
3088  	sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
3089  				sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
3090  				&sp->u.iocb_cmd.u.ctarg.rsp_dma,
3091  	    GFP_KERNEL);
3092  	if (!sp->u.iocb_cmd.u.ctarg.rsp) {
3093  		ql_log(ql_log_warn, vha, 0xd041,
3094  		       "%s: Failed to allocate ct_sns response.\n",
3095  		       __func__);
3096  		goto done_free_sp;
3097  	}
3098  
3099  	/* CT_IU preamble  */
3100  	ct_req = qla2x00_prep_ct_req(sp->u.iocb_cmd.u.ctarg.req, GFF_ID_CMD, GFF_ID_RSP_SIZE);
3101  
3102  	ct_req->req.gff_id.port_id[0] = fcport->d_id.b.domain;
3103  	ct_req->req.gff_id.port_id[1] = fcport->d_id.b.area;
3104  	ct_req->req.gff_id.port_id[2] = fcport->d_id.b.al_pa;
3105  
3106  	sp->u.iocb_cmd.u.ctarg.req_size = GFF_ID_REQ_SIZE;
3107  	sp->u.iocb_cmd.u.ctarg.rsp_size = GFF_ID_RSP_SIZE;
3108  	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
3109  
3110  	rval = qla2x00_start_sp(sp);
3111  
3112  	if (rval != QLA_SUCCESS) {
3113  		rval = QLA_FUNCTION_FAILED;
3114  		goto done_free_sp;
3115  	} else {
3116  		ql_dbg(ql_dbg_disc, vha, 0x3074,
3117  		       "Async-%s hdl=%x portid %06x\n",
3118  		       sp->name, sp->handle, fcport->d_id.b24);
3119  	}
3120  
3121  	wait_for_completion(sp->comp);
3122  	rval = sp->rc;
3123  
3124  done_free_sp:
3125  	if (sp->u.iocb_cmd.u.ctarg.req) {
3126  		dma_free_coherent(&vha->hw->pdev->dev,
3127  				  sp->u.iocb_cmd.u.ctarg.req_allocated_size,
3128  				  sp->u.iocb_cmd.u.ctarg.req,
3129  				  sp->u.iocb_cmd.u.ctarg.req_dma);
3130  		sp->u.iocb_cmd.u.ctarg.req = NULL;
3131  	}
3132  
3133  	if (sp->u.iocb_cmd.u.ctarg.rsp) {
3134  		dma_free_coherent(&vha->hw->pdev->dev,
3135  				  sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
3136  				  sp->u.iocb_cmd.u.ctarg.rsp,
3137  				  sp->u.iocb_cmd.u.ctarg.rsp_dma);
3138  		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
3139  	}
3140  
3141  	/* ref: INIT */
3142  	kref_put(&sp->cmd_kref, qla2x00_sp_release);
3143  	return rval;
3144  }
3145  
3146  /* GPN_FT + GNN_FT*/
qla2x00_is_a_vp(scsi_qla_host_t * vha,u64 wwn)3147  static int qla2x00_is_a_vp(scsi_qla_host_t *vha, u64 wwn)
3148  {
3149  	struct qla_hw_data *ha = vha->hw;
3150  	scsi_qla_host_t *vp;
3151  	unsigned long flags;
3152  	u64 twwn;
3153  	int rc = 0;
3154  
3155  	if (!ha->num_vhosts)
3156  		return 0;
3157  
3158  	spin_lock_irqsave(&ha->vport_slock, flags);
3159  	list_for_each_entry(vp, &ha->vp_list, list) {
3160  		twwn = wwn_to_u64(vp->port_name);
3161  		if (wwn == twwn) {
3162  			rc = 1;
3163  			break;
3164  		}
3165  	}
3166  	spin_unlock_irqrestore(&ha->vport_slock, flags);
3167  
3168  	return rc;
3169  }
3170  
qla_ok_to_clear_rscn(scsi_qla_host_t * vha,fc_port_t * fcport)3171  static bool qla_ok_to_clear_rscn(scsi_qla_host_t *vha, fc_port_t *fcport)
3172  {
3173  	u32 rscn_gen;
3174  
3175  	rscn_gen = atomic_read(&vha->rscn_gen);
3176  	ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x2017,
3177  	    "%s %d %8phC rscn_gen %x start %x end %x current %x\n",
3178  	    __func__, __LINE__, fcport->port_name, fcport->rscn_gen,
3179  	    vha->scan.rscn_gen_start, vha->scan.rscn_gen_end, rscn_gen);
3180  
3181  	if (val_is_in_range(fcport->rscn_gen, vha->scan.rscn_gen_start,
3182  	    vha->scan.rscn_gen_end))
3183  		/* rscn came in before fabric scan */
3184  		return true;
3185  
3186  	if (val_is_in_range(fcport->rscn_gen, vha->scan.rscn_gen_end, rscn_gen))
3187  		/* rscn came in after fabric scan */
3188  		return false;
3189  
3190  	/* rare: fcport's scan_needed + rscn_gen must be stale */
3191  	return true;
3192  }
3193  
qla_fab_scan_finish(scsi_qla_host_t * vha,srb_t * sp)3194  void qla_fab_scan_finish(scsi_qla_host_t *vha, srb_t *sp)
3195  {
3196  	fc_port_t *fcport;
3197  	u32 i, rc;
3198  	bool found;
3199  	struct fab_scan_rp *rp, *trp;
3200  	unsigned long flags;
3201  	u8 recheck = 0;
3202  	u16 dup = 0, dup_cnt = 0;
3203  
3204  	ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
3205  	    "%s enter\n", __func__);
3206  
3207  	if (sp->gen1 != vha->hw->base_qpair->chip_reset) {
3208  		ql_dbg(ql_dbg_disc, vha, 0xffff,
3209  		    "%s scan stop due to chip reset %x/%x\n",
3210  		    sp->name, sp->gen1, vha->hw->base_qpair->chip_reset);
3211  		goto out;
3212  	}
3213  
3214  	rc = sp->rc;
3215  	if (rc) {
3216  		vha->scan.scan_retry++;
3217  		if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
3218  			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3219  			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3220  			goto out;
3221  		} else {
3222  			ql_dbg(ql_dbg_disc, vha, 0xffff,
3223  			    "%s: Fabric scan failed for %d retries.\n",
3224  			    __func__, vha->scan.scan_retry);
3225  			/*
3226  			 * Unable to scan any rports. logout loop below
3227  			 * will unregister all sessions.
3228  			 */
3229  			list_for_each_entry(fcport, &vha->vp_fcports, list) {
3230  				if ((fcport->flags & FCF_FABRIC_DEVICE) != 0) {
3231  					fcport->scan_state = QLA_FCPORT_SCAN;
3232  					if (fcport->loop_id == FC_NO_LOOP_ID)
3233  						fcport->logout_on_delete = 0;
3234  					else
3235  						fcport->logout_on_delete = 1;
3236  				}
3237  			}
3238  			goto login_logout;
3239  		}
3240  	}
3241  	vha->scan.scan_retry = 0;
3242  
3243  	list_for_each_entry(fcport, &vha->vp_fcports, list)
3244  		fcport->scan_state = QLA_FCPORT_SCAN;
3245  
3246  	for (i = 0; i < vha->hw->max_fibre_devices; i++) {
3247  		u64 wwn;
3248  		int k;
3249  
3250  		rp = &vha->scan.l[i];
3251  		found = false;
3252  
3253  		wwn = wwn_to_u64(rp->port_name);
3254  		if (wwn == 0)
3255  			continue;
3256  
3257  		/* Remove duplicate NPORT ID entries from switch data base */
3258  		for (k = i + 1; k < vha->hw->max_fibre_devices; k++) {
3259  			trp = &vha->scan.l[k];
3260  			if (rp->id.b24 == trp->id.b24) {
3261  				dup = 1;
3262  				dup_cnt++;
3263  				ql_dbg(ql_dbg_disc + ql_dbg_verbose,
3264  				    vha, 0xffff,
3265  				    "Detected duplicate NPORT ID from switch data base: ID %06x WWN %8phN WWN %8phN\n",
3266  				    rp->id.b24, rp->port_name, trp->port_name);
3267  				memset(trp, 0, sizeof(*trp));
3268  			}
3269  		}
3270  
3271  		if (!memcmp(rp->port_name, vha->port_name, WWN_SIZE))
3272  			continue;
3273  
3274  		/* Bypass reserved domain fields. */
3275  		if ((rp->id.b.domain & 0xf0) == 0xf0)
3276  			continue;
3277  
3278  		/* Bypass virtual ports of the same host. */
3279  		if (qla2x00_is_a_vp(vha, wwn))
3280  			continue;
3281  
3282  		list_for_each_entry(fcport, &vha->vp_fcports, list) {
3283  			if (memcmp(rp->port_name, fcport->port_name, WWN_SIZE))
3284  				continue;
3285  			fcport->scan_state = QLA_FCPORT_FOUND;
3286  			fcport->last_rscn_gen = fcport->rscn_gen;
3287  			fcport->fc4_type = rp->fc4type;
3288  			found = true;
3289  
3290  			if (fcport->scan_needed) {
3291  				if (NVME_PRIORITY(vha->hw, fcport))
3292  					fcport->do_prli_nvme = 1;
3293  				else
3294  					fcport->do_prli_nvme = 0;
3295  			}
3296  
3297  			/*
3298  			 * If device was not a fabric device before.
3299  			 */
3300  			if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3301  				qla2x00_clear_loop_id(fcport);
3302  				fcport->flags |= FCF_FABRIC_DEVICE;
3303  			} else if (fcport->d_id.b24 != rp->id.b24 ||
3304  				   (fcport->scan_needed &&
3305  				    fcport->port_type != FCT_INITIATOR &&
3306  				    fcport->port_type != FCT_NVME_INITIATOR)) {
3307  				fcport->scan_needed = 0;
3308  				qlt_schedule_sess_for_deletion(fcport);
3309  			}
3310  			fcport->d_id.b24 = rp->id.b24;
3311  			break;
3312  		}
3313  
3314  		if (!found) {
3315  			ql_dbg(ql_dbg_disc, vha, 0xffff,
3316  			    "%s %d %8phC post new sess\n",
3317  			    __func__, __LINE__, rp->port_name);
3318  			qla24xx_post_newsess_work(vha, &rp->id, rp->port_name,
3319  			    rp->node_name, NULL, rp->fc4type);
3320  		}
3321  	}
3322  
3323  	if (dup) {
3324  		ql_log(ql_log_warn, vha, 0xffff,
3325  		    "Detected %d duplicate NPORT ID(s) from switch data base\n",
3326  		    dup_cnt);
3327  	}
3328  
3329  login_logout:
3330  	/*
3331  	 * Logout all previous fabric dev marked lost, except FCP2 devices.
3332  	 */
3333  	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3334  		if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3335  			fcport->scan_needed = 0;
3336  			continue;
3337  		}
3338  
3339  		if (fcport->scan_state != QLA_FCPORT_FOUND) {
3340  			bool do_delete = false;
3341  
3342  			if (fcport->scan_needed &&
3343  			    fcport->disc_state == DSC_LOGIN_PEND) {
3344  				/* Cable got disconnected after we sent
3345  				 * a login. Do delete to prevent timeout.
3346  				 */
3347  				fcport->logout_on_delete = 1;
3348  				do_delete = true;
3349  			}
3350  
3351  			if (qla_ok_to_clear_rscn(vha, fcport))
3352  				fcport->scan_needed = 0;
3353  
3354  			if (((qla_dual_mode_enabled(vha) ||
3355  			      qla_ini_mode_enabled(vha)) &&
3356  			    atomic_read(&fcport->state) == FCS_ONLINE) ||
3357  				do_delete) {
3358  				if (fcport->loop_id != FC_NO_LOOP_ID) {
3359  					if (fcport->flags & FCF_FCP2_DEVICE)
3360  						continue;
3361  
3362  					ql_log(ql_log_warn, vha, 0x20f0,
3363  					       "%s %d %8phC post del sess\n",
3364  					       __func__, __LINE__,
3365  					       fcport->port_name);
3366  
3367  					fcport->tgt_link_down_time = 0;
3368  					qlt_schedule_sess_for_deletion(fcport);
3369  					continue;
3370  				}
3371  			}
3372  		} else {
3373  			if (fcport->scan_needed ||
3374  			    fcport->disc_state != DSC_LOGIN_COMPLETE) {
3375  				if (fcport->login_retry == 0) {
3376  					fcport->login_retry =
3377  						vha->hw->login_retry_count;
3378  					ql_dbg(ql_dbg_disc, vha, 0x20a3,
3379  					    "Port login retry %8phN, lid 0x%04x retry cnt=%d.\n",
3380  					    fcport->port_name, fcport->loop_id,
3381  					    fcport->login_retry);
3382  				}
3383  
3384  				if (qla_ok_to_clear_rscn(vha, fcport))
3385  					fcport->scan_needed = 0;
3386  				qla24xx_fcport_handle_login(vha, fcport);
3387  			}
3388  		}
3389  	}
3390  
3391  	recheck = 1;
3392  out:
3393  	qla24xx_sp_unmap(vha, sp);
3394  	spin_lock_irqsave(&vha->work_lock, flags);
3395  	vha->scan.scan_flags &= ~SF_SCANNING;
3396  	spin_unlock_irqrestore(&vha->work_lock, flags);
3397  
3398  	if (recheck) {
3399  		list_for_each_entry(fcport, &vha->vp_fcports, list) {
3400  			if (fcport->scan_needed) {
3401  				set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3402  				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3403  				break;
3404  			}
3405  		}
3406  	}
3407  }
3408  
qla2x00_post_next_scan_work(struct scsi_qla_host * vha,srb_t * sp,int cmd)3409  static int qla2x00_post_next_scan_work(struct scsi_qla_host *vha,
3410      srb_t *sp, int cmd)
3411  {
3412  	struct qla_work_evt *e;
3413  
3414  	e = qla2x00_alloc_work(vha, cmd);
3415  	if (!e)
3416  		return QLA_FUNCTION_FAILED;
3417  
3418  	e->u.iosb.sp = sp;
3419  
3420  	return qla2x00_post_work(vha, e);
3421  }
3422  
qla2x00_find_free_fcp_nvme_slot(struct scsi_qla_host * vha,struct srb * sp)3423  static void qla2x00_find_free_fcp_nvme_slot(struct scsi_qla_host *vha,
3424  	struct srb *sp)
3425  {
3426  	struct qla_hw_data *ha = vha->hw;
3427  	int num_fibre_dev = ha->max_fibre_devices;
3428  	struct ct_sns_gpnft_rsp *ct_rsp =
3429  		(struct ct_sns_gpnft_rsp *)sp->u.iocb_cmd.u.ctarg.rsp;
3430  	struct ct_sns_gpn_ft_data *d;
3431  	struct fab_scan_rp *rp;
3432  	int i, j, k;
3433  	port_id_t id;
3434  	u8 found;
3435  	u64 wwn;
3436  
3437  	j = 0;
3438  	for (i = 0; i < num_fibre_dev; i++) {
3439  		d  = &ct_rsp->entries[i];
3440  
3441  		id.b.rsvd_1 = 0;
3442  		id.b.domain = d->port_id[0];
3443  		id.b.area   = d->port_id[1];
3444  		id.b.al_pa  = d->port_id[2];
3445  		wwn = wwn_to_u64(d->port_name);
3446  
3447  		if (id.b24 == 0 || wwn == 0)
3448  			continue;
3449  
3450  		ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x2025,
3451  		       "%s %06x %8ph \n",
3452  		       __func__, id.b24, d->port_name);
3453  
3454  		switch (vha->scan.step) {
3455  		case FAB_SCAN_GPNFT_FCP:
3456  			rp = &vha->scan.l[j];
3457  			rp->id = id;
3458  			memcpy(rp->port_name, d->port_name, 8);
3459  			j++;
3460  			rp->fc4type = FS_FC4TYPE_FCP;
3461  			break;
3462  		case FAB_SCAN_GNNFT_FCP:
3463  			for (k = 0; k < num_fibre_dev; k++) {
3464  				rp = &vha->scan.l[k];
3465  				if (id.b24 == rp->id.b24) {
3466  					memcpy(rp->node_name,
3467  					    d->port_name, 8);
3468  					break;
3469  				}
3470  			}
3471  			break;
3472  		case FAB_SCAN_GPNFT_NVME:
3473  			found = 0;
3474  
3475  			for (k = 0; k < num_fibre_dev; k++) {
3476  				rp = &vha->scan.l[k];
3477  				if (!memcmp(rp->port_name, d->port_name, 8)) {
3478  					/*
3479  					 * Supports FC-NVMe & FCP
3480  					 */
3481  					rp->fc4type |= FS_FC4TYPE_NVME;
3482  					found = 1;
3483  					break;
3484  				}
3485  			}
3486  
3487  			/* We found new FC-NVMe only port */
3488  			if (!found) {
3489  				for (k = 0; k < num_fibre_dev; k++) {
3490  					rp = &vha->scan.l[k];
3491  					if (wwn_to_u64(rp->port_name)) {
3492  						continue;
3493  					} else {
3494  						rp->id = id;
3495  						memcpy(rp->port_name, d->port_name, 8);
3496  						rp->fc4type = FS_FC4TYPE_NVME;
3497  						break;
3498  					}
3499  				}
3500  			}
3501  			break;
3502  		case FAB_SCAN_GNNFT_NVME:
3503  			for (k = 0; k < num_fibre_dev; k++) {
3504  				rp = &vha->scan.l[k];
3505  				if (id.b24 == rp->id.b24) {
3506  					memcpy(rp->node_name, d->port_name, 8);
3507  					break;
3508  				}
3509  			}
3510  			break;
3511  		default:
3512  			break;
3513  		}
3514  	}
3515  }
3516  
qla_async_scan_sp_done(srb_t * sp,int res)3517  static void qla_async_scan_sp_done(srb_t *sp, int res)
3518  {
3519  	struct scsi_qla_host *vha = sp->vha;
3520  	unsigned long flags;
3521  	int rc;
3522  
3523  	/* gen2 field is holding the fc4type */
3524  	ql_dbg(ql_dbg_disc, vha, 0x2026,
3525  	    "Async done-%s res %x step %x\n",
3526  	    sp->name, res, vha->scan.step);
3527  
3528  	sp->rc = res;
3529  	if (res) {
3530  		unsigned long flags;
3531  		const char *name = sp->name;
3532  
3533  		if (res == QLA_OS_TIMER_EXPIRED) {
3534  			/* switch is ignoring all commands.
3535  			 * This might be a zone disable behavior.
3536  			 * This means we hit 64s timeout.
3537  			 * 22s GPNFT + 44s Abort = 64s
3538  			 */
3539  			ql_dbg(ql_dbg_disc, vha, 0xffff,
3540  			       "%s: Switch Zone check please .\n",
3541  			       name);
3542  			qla2x00_mark_all_devices_lost(vha);
3543  		}
3544  
3545  		/*
3546  		 * We are in an Interrupt context, queue up this
3547  		 * sp for GNNFT_DONE work. This will allow all
3548  		 * the resource to get freed up.
3549  		 */
3550  		rc = qla2x00_post_next_scan_work(vha, sp, QLA_EVT_SCAN_FINISH);
3551  		if (rc) {
3552  			/* Cleanup here to prevent memory leak */
3553  			qla24xx_sp_unmap(vha, sp);
3554  
3555  			spin_lock_irqsave(&vha->work_lock, flags);
3556  			vha->scan.scan_flags &= ~SF_SCANNING;
3557  			vha->scan.scan_retry++;
3558  			spin_unlock_irqrestore(&vha->work_lock, flags);
3559  
3560  			if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
3561  				set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3562  				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3563  				qla2xxx_wake_dpc(vha);
3564  			} else {
3565  				ql_dbg(ql_dbg_disc, vha, 0xffff,
3566  				    "Async done-%s rescan failed on all retries.\n",
3567  				    name);
3568  			}
3569  		}
3570  		return;
3571  	}
3572  
3573  	qla2x00_find_free_fcp_nvme_slot(vha, sp);
3574  
3575  	spin_lock_irqsave(&vha->work_lock, flags);
3576  	vha->scan.scan_flags &= ~SF_SCANNING;
3577  	spin_unlock_irqrestore(&vha->work_lock, flags);
3578  
3579  	switch (vha->scan.step) {
3580  	case FAB_SCAN_GPNFT_FCP:
3581  	case FAB_SCAN_GPNFT_NVME:
3582  		rc = qla2x00_post_next_scan_work(vha, sp, QLA_EVT_SCAN_CMD);
3583  		break;
3584  	case  FAB_SCAN_GNNFT_FCP:
3585  		if (vha->flags.nvme_enabled)
3586  			rc = qla2x00_post_next_scan_work(vha, sp, QLA_EVT_SCAN_CMD);
3587  		else
3588  			rc = qla2x00_post_next_scan_work(vha, sp, QLA_EVT_SCAN_FINISH);
3589  
3590  		break;
3591  	case  FAB_SCAN_GNNFT_NVME:
3592  		rc = qla2x00_post_next_scan_work(vha, sp, QLA_EVT_SCAN_FINISH);
3593  		break;
3594  	default:
3595  		/* should not be here */
3596  		WARN_ON(1);
3597  		rc = QLA_FUNCTION_FAILED;
3598  		break;
3599  	}
3600  
3601  	if (rc) {
3602  		qla24xx_sp_unmap(vha, sp);
3603  		set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3604  		set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3605  		return;
3606  	}
3607  }
3608  
3609  /* Get WWPN list for certain fc4_type */
qla_fab_async_scan(scsi_qla_host_t * vha,srb_t * sp)3610  int qla_fab_async_scan(scsi_qla_host_t *vha, srb_t *sp)
3611  {
3612  	int rval = QLA_FUNCTION_FAILED;
3613  	struct ct_sns_req       *ct_req;
3614  	struct ct_sns_pkt *ct_sns;
3615  	u32 rspsz = 0;
3616  	unsigned long flags;
3617  
3618  	ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x200c,
3619  	    "%s enter\n", __func__);
3620  
3621  	if (!vha->flags.online)
3622  		return rval;
3623  
3624  	spin_lock_irqsave(&vha->work_lock, flags);
3625  	if (vha->scan.scan_flags & SF_SCANNING) {
3626  		spin_unlock_irqrestore(&vha->work_lock, flags);
3627  		ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x2012,
3628  		    "%s: scan active\n", __func__);
3629  		return rval;
3630  	}
3631  	vha->scan.scan_flags |= SF_SCANNING;
3632  	if (!sp)
3633  		vha->scan.step = FAB_SCAN_START;
3634  
3635  	spin_unlock_irqrestore(&vha->work_lock, flags);
3636  
3637  	switch (vha->scan.step) {
3638  	case FAB_SCAN_START:
3639  		ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x2018,
3640  		    "%s: Performing FCP Scan\n", __func__);
3641  
3642  		/* ref: INIT */
3643  		sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL);
3644  		if (!sp) {
3645  			spin_lock_irqsave(&vha->work_lock, flags);
3646  			vha->scan.scan_flags &= ~SF_SCANNING;
3647  			spin_unlock_irqrestore(&vha->work_lock, flags);
3648  			return rval;
3649  		}
3650  
3651  		sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev,
3652  								sizeof(struct ct_sns_pkt),
3653  								&sp->u.iocb_cmd.u.ctarg.req_dma,
3654  								GFP_KERNEL);
3655  		sp->u.iocb_cmd.u.ctarg.req_allocated_size = sizeof(struct ct_sns_pkt);
3656  		if (!sp->u.iocb_cmd.u.ctarg.req) {
3657  			ql_log(ql_log_warn, vha, 0x201a,
3658  			    "Failed to allocate ct_sns request.\n");
3659  			spin_lock_irqsave(&vha->work_lock, flags);
3660  			vha->scan.scan_flags &= ~SF_SCANNING;
3661  			spin_unlock_irqrestore(&vha->work_lock, flags);
3662  			qla2x00_rel_sp(sp);
3663  			return rval;
3664  		}
3665  
3666  		rspsz = sizeof(struct ct_sns_gpnft_rsp) +
3667  			vha->hw->max_fibre_devices *
3668  			    sizeof(struct ct_sns_gpn_ft_data);
3669  
3670  		sp->u.iocb_cmd.u.ctarg.rsp = dma_alloc_coherent(&vha->hw->pdev->dev,
3671  								rspsz,
3672  								&sp->u.iocb_cmd.u.ctarg.rsp_dma,
3673  								GFP_KERNEL);
3674  		sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = rspsz;
3675  		if (!sp->u.iocb_cmd.u.ctarg.rsp) {
3676  			ql_log(ql_log_warn, vha, 0x201b,
3677  			    "Failed to allocate ct_sns request.\n");
3678  			spin_lock_irqsave(&vha->work_lock, flags);
3679  			vha->scan.scan_flags &= ~SF_SCANNING;
3680  			spin_unlock_irqrestore(&vha->work_lock, flags);
3681  			dma_free_coherent(&vha->hw->pdev->dev,
3682  			    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
3683  			    sp->u.iocb_cmd.u.ctarg.req,
3684  			    sp->u.iocb_cmd.u.ctarg.req_dma);
3685  			sp->u.iocb_cmd.u.ctarg.req = NULL;
3686  			/* ref: INIT */
3687  			qla2x00_rel_sp(sp);
3688  			return rval;
3689  		}
3690  		sp->u.iocb_cmd.u.ctarg.rsp_size = rspsz;
3691  
3692  		ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff,
3693  		    "%s scan list size %d\n", __func__, vha->scan.size);
3694  
3695  		memset(vha->scan.l, 0, vha->scan.size);
3696  
3697  		vha->scan.step = FAB_SCAN_GPNFT_FCP;
3698  		break;
3699  	case FAB_SCAN_GPNFT_FCP:
3700  		vha->scan.step = FAB_SCAN_GNNFT_FCP;
3701  		break;
3702  	case FAB_SCAN_GNNFT_FCP:
3703  		vha->scan.step = FAB_SCAN_GPNFT_NVME;
3704  		break;
3705  	case FAB_SCAN_GPNFT_NVME:
3706  		vha->scan.step = FAB_SCAN_GNNFT_NVME;
3707  		break;
3708  	case FAB_SCAN_GNNFT_NVME:
3709  	default:
3710  		/* should not be here */
3711  		WARN_ON(1);
3712  		goto done_free_sp;
3713  	}
3714  
3715  	if (!sp) {
3716  		ql_dbg(ql_dbg_disc, vha, 0x201c,
3717  		    "scan did not provide SP\n");
3718  		return rval;
3719  	}
3720  	if (!sp->u.iocb_cmd.u.ctarg.req || !sp->u.iocb_cmd.u.ctarg.rsp) {
3721  		ql_log(ql_log_warn, vha, 0x201d,
3722  		    "%s: req %p rsp %p are not setup\n",
3723  		    __func__, sp->u.iocb_cmd.u.ctarg.req,
3724  		    sp->u.iocb_cmd.u.ctarg.rsp);
3725  		spin_lock_irqsave(&vha->work_lock, flags);
3726  		vha->scan.scan_flags &= ~SF_SCANNING;
3727  		spin_unlock_irqrestore(&vha->work_lock, flags);
3728  		WARN_ON(1);
3729  		set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3730  		set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3731  		goto done_free_sp;
3732  	}
3733  
3734  	rspsz = sp->u.iocb_cmd.u.ctarg.rsp_size;
3735  	memset(sp->u.iocb_cmd.u.ctarg.req, 0, sp->u.iocb_cmd.u.ctarg.req_size);
3736  	memset(sp->u.iocb_cmd.u.ctarg.rsp, 0, sp->u.iocb_cmd.u.ctarg.rsp_size);
3737  
3738  
3739  	sp->type = SRB_CT_PTHRU_CMD;
3740  	sp->gen1 = vha->hw->base_qpair->chip_reset;
3741  	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
3742  			      qla_async_scan_sp_done);
3743  
3744  	ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
3745  
3746  	/* CT_IU preamble  */
3747  	switch (vha->scan.step) {
3748  	case FAB_SCAN_GPNFT_FCP:
3749  		sp->name = "gpnft";
3750  		ct_req = qla2x00_prep_ct_req(ct_sns, GPN_FT_CMD, rspsz);
3751  		ct_req->req.gpn_ft.port_type = FC4_TYPE_FCP_SCSI;
3752  		sp->u.iocb_cmd.u.ctarg.req_size = GPN_FT_REQ_SIZE;
3753  		break;
3754  	case FAB_SCAN_GNNFT_FCP:
3755  		sp->name = "gnnft";
3756  		ct_req = qla2x00_prep_ct_req(ct_sns, GNN_FT_CMD, rspsz);
3757  		ct_req->req.gpn_ft.port_type = FC4_TYPE_FCP_SCSI;
3758  		sp->u.iocb_cmd.u.ctarg.req_size = GNN_FT_REQ_SIZE;
3759  		break;
3760  	case FAB_SCAN_GPNFT_NVME:
3761  		sp->name = "gpnft";
3762  		ct_req = qla2x00_prep_ct_req(ct_sns, GPN_FT_CMD, rspsz);
3763  		ct_req->req.gpn_ft.port_type = FC4_TYPE_NVME;
3764  		sp->u.iocb_cmd.u.ctarg.req_size = GPN_FT_REQ_SIZE;
3765  		break;
3766  	case FAB_SCAN_GNNFT_NVME:
3767  		sp->name = "gnnft";
3768  		ct_req = qla2x00_prep_ct_req(ct_sns, GNN_FT_CMD, rspsz);
3769  		ct_req->req.gpn_ft.port_type = FC4_TYPE_NVME;
3770  		sp->u.iocb_cmd.u.ctarg.req_size = GNN_FT_REQ_SIZE;
3771  		break;
3772  	default:
3773  		/* should not be here */
3774  		WARN_ON(1);
3775  		goto done_free_sp;
3776  	}
3777  
3778  	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
3779  
3780  	ql_dbg(ql_dbg_disc, vha, 0x2003,
3781  	       "%s: step %d, rsp size %d, req size %d hdl %x %s FC4TYPE %x \n",
3782  	       __func__, vha->scan.step, sp->u.iocb_cmd.u.ctarg.rsp_size,
3783  	       sp->u.iocb_cmd.u.ctarg.req_size, sp->handle, sp->name,
3784  	       ct_req->req.gpn_ft.port_type);
3785  
3786  	rval = qla2x00_start_sp(sp);
3787  	if (rval != QLA_SUCCESS) {
3788  		goto done_free_sp;
3789  	}
3790  
3791  	return rval;
3792  
3793  done_free_sp:
3794  	if (sp->u.iocb_cmd.u.ctarg.req) {
3795  		dma_free_coherent(&vha->hw->pdev->dev,
3796  		    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
3797  		    sp->u.iocb_cmd.u.ctarg.req,
3798  		    sp->u.iocb_cmd.u.ctarg.req_dma);
3799  		sp->u.iocb_cmd.u.ctarg.req = NULL;
3800  	}
3801  	if (sp->u.iocb_cmd.u.ctarg.rsp) {
3802  		dma_free_coherent(&vha->hw->pdev->dev,
3803  		    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
3804  		    sp->u.iocb_cmd.u.ctarg.rsp,
3805  		    sp->u.iocb_cmd.u.ctarg.rsp_dma);
3806  		sp->u.iocb_cmd.u.ctarg.rsp = NULL;
3807  	}
3808  
3809  	/* ref: INIT */
3810  	kref_put(&sp->cmd_kref, qla2x00_sp_release);
3811  
3812  	spin_lock_irqsave(&vha->work_lock, flags);
3813  	vha->scan.scan_flags &= ~SF_SCANNING;
3814  	if (vha->scan.scan_flags == 0) {
3815  		ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x2007,
3816  		    "%s: Scan scheduled.\n", __func__);
3817  		vha->scan.scan_flags |= SF_QUEUED;
3818  		schedule_delayed_work(&vha->scan.scan_work, 5);
3819  	}
3820  	spin_unlock_irqrestore(&vha->work_lock, flags);
3821  
3822  
3823  	return rval;
3824  }
3825  
qla_fab_scan_start(struct scsi_qla_host * vha)3826  void qla_fab_scan_start(struct scsi_qla_host *vha)
3827  {
3828  	int rval;
3829  
3830  	rval = qla_fab_async_scan(vha, NULL);
3831  	if (rval)
3832  		set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3833  }
3834  
qla_scan_work_fn(struct work_struct * work)3835  void qla_scan_work_fn(struct work_struct *work)
3836  {
3837  	struct fab_scan *s = container_of(to_delayed_work(work),
3838  	    struct fab_scan, scan_work);
3839  	struct scsi_qla_host *vha = container_of(s, struct scsi_qla_host,
3840  	    scan);
3841  	unsigned long flags;
3842  
3843  	ql_dbg(ql_dbg_disc, vha, 0xffff,
3844  	    "%s: schedule loop resync\n", __func__);
3845  	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3846  	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3847  	qla2xxx_wake_dpc(vha);
3848  	spin_lock_irqsave(&vha->work_lock, flags);
3849  	vha->scan.scan_flags &= ~SF_QUEUED;
3850  	spin_unlock_irqrestore(&vha->work_lock, flags);
3851  }
3852  
3853  /* GPFN_ID */
qla24xx_handle_gfpnid_event(scsi_qla_host_t * vha,struct event_arg * ea)3854  void qla24xx_handle_gfpnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
3855  {
3856  	fc_port_t *fcport = ea->fcport;
3857  
3858  	ql_dbg(ql_dbg_disc, vha, 0xffff,
3859  	    "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d fcpcnt %d\n",
3860  	    __func__, fcport->port_name, fcport->disc_state,
3861  	    fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
3862  	    fcport->rscn_gen, ea->sp->gen1, vha->fcport_count);
3863  
3864  	if (fcport->disc_state == DSC_DELETE_PEND)
3865  		return;
3866  
3867  	if (ea->sp->gen2 != fcport->login_gen) {
3868  		/* target side must have changed it. */
3869  		ql_dbg(ql_dbg_disc, vha, 0x20d3,
3870  		    "%s %8phC generation changed\n",
3871  		    __func__, fcport->port_name);
3872  		return;
3873  	} else if (ea->sp->gen1 != fcport->rscn_gen) {
3874  		return;
3875  	}
3876  
3877  	qla24xx_post_gpsc_work(vha, fcport);
3878  }
3879  
qla2x00_async_gfpnid_sp_done(srb_t * sp,int res)3880  static void qla2x00_async_gfpnid_sp_done(srb_t *sp, int res)
3881  {
3882  	struct scsi_qla_host *vha = sp->vha;
3883  	fc_port_t *fcport = sp->fcport;
3884  	u8 *fpn = fcport->ct_desc.ct_sns->p.rsp.rsp.gfpn_id.port_name;
3885  	struct event_arg ea;
3886  	u64 wwn;
3887  
3888  	wwn = wwn_to_u64(fpn);
3889  	if (wwn)
3890  		memcpy(fcport->fabric_port_name, fpn, WWN_SIZE);
3891  
3892  	memset(&ea, 0, sizeof(ea));
3893  	ea.fcport = fcport;
3894  	ea.sp = sp;
3895  	ea.rc = res;
3896  
3897  	ql_dbg(ql_dbg_disc, vha, 0x204f,
3898  	    "Async done-%s res %x, WWPN %8phC %8phC\n",
3899  	    sp->name, res, fcport->port_name, fcport->fabric_port_name);
3900  
3901  	qla24xx_handle_gfpnid_event(vha, &ea);
3902  
3903  	/* ref: INIT */
3904  	kref_put(&sp->cmd_kref, qla2x00_sp_release);
3905  }
3906  
qla24xx_async_gfpnid(scsi_qla_host_t * vha,fc_port_t * fcport)3907  int qla24xx_async_gfpnid(scsi_qla_host_t *vha, fc_port_t *fcport)
3908  {
3909  	int rval = QLA_FUNCTION_FAILED;
3910  	struct ct_sns_req       *ct_req;
3911  	srb_t *sp;
3912  
3913  	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
3914  		return rval;
3915  
3916  	/* ref: INIT */
3917  	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
3918  	if (!sp)
3919  		goto done;
3920  
3921  	sp->type = SRB_CT_PTHRU_CMD;
3922  	sp->name = "gfpnid";
3923  	sp->gen1 = fcport->rscn_gen;
3924  	sp->gen2 = fcport->login_gen;
3925  	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
3926  			      qla2x00_async_gfpnid_sp_done);
3927  
3928  	/* CT_IU preamble  */
3929  	ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GFPN_ID_CMD,
3930  	    GFPN_ID_RSP_SIZE);
3931  
3932  	/* GFPN_ID req */
3933  	ct_req->req.port_id.port_id = port_id_to_be_id(fcport->d_id);
3934  
3935  
3936  	/* req & rsp use the same buffer */
3937  	sp->u.iocb_cmd.u.ctarg.req = fcport->ct_desc.ct_sns;
3938  	sp->u.iocb_cmd.u.ctarg.req_dma = fcport->ct_desc.ct_sns_dma;
3939  	sp->u.iocb_cmd.u.ctarg.rsp = fcport->ct_desc.ct_sns;
3940  	sp->u.iocb_cmd.u.ctarg.rsp_dma = fcport->ct_desc.ct_sns_dma;
3941  	sp->u.iocb_cmd.u.ctarg.req_size = GFPN_ID_REQ_SIZE;
3942  	sp->u.iocb_cmd.u.ctarg.rsp_size = GFPN_ID_RSP_SIZE;
3943  	sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS;
3944  
3945  	ql_dbg(ql_dbg_disc, vha, 0xffff,
3946  	    "Async-%s - %8phC hdl=%x loopid=%x portid %06x.\n",
3947  	    sp->name, fcport->port_name,
3948  	    sp->handle, fcport->loop_id, fcport->d_id.b24);
3949  
3950  	rval = qla2x00_start_sp(sp);
3951  	if (rval != QLA_SUCCESS)
3952  		goto done_free_sp;
3953  
3954  	return rval;
3955  
3956  done_free_sp:
3957  	/* ref: INIT */
3958  	kref_put(&sp->cmd_kref, qla2x00_sp_release);
3959  done:
3960  	return rval;
3961  }
3962  
qla24xx_post_gfpnid_work(struct scsi_qla_host * vha,fc_port_t * fcport)3963  int qla24xx_post_gfpnid_work(struct scsi_qla_host *vha, fc_port_t *fcport)
3964  {
3965  	struct qla_work_evt *e;
3966  	int ls;
3967  
3968  	ls = atomic_read(&vha->loop_state);
3969  	if (((ls != LOOP_READY) && (ls != LOOP_UP)) ||
3970  		test_bit(UNLOADING, &vha->dpc_flags))
3971  		return 0;
3972  
3973  	e = qla2x00_alloc_work(vha, QLA_EVT_GFPNID);
3974  	if (!e)
3975  		return QLA_FUNCTION_FAILED;
3976  
3977  	e->u.fcport.fcport = fcport;
3978  	return qla2x00_post_work(vha, e);
3979  }
3980